diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/ethernet/ibm')
30 files changed, 0 insertions, 16216 deletions
diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/Kconfig b/ANDROID_3.4.5/drivers/net/ethernet/ibm/Kconfig deleted file mode 100644 index b9773d22..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/Kconfig +++ /dev/null @@ -1,44 +0,0 @@ -# -# IBM device configuration. -# - -config NET_VENDOR_IBM - bool "IBM devices" - default y - depends on MCA || PPC_PSERIES || PPC_PSERIES || PPC_DCR || \ - (IBMEBUS && INET && SPARSEMEM) - ---help--- - If you have a network (Ethernet) card belonging to this class, say Y - and read the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - Note that the answer to this question doesn't directly affect the - kernel: saying N will just cause the configurator to skip all - the questions about IBM devices. If you say Y, you will be asked for - your specific card in the following questions. - -if NET_VENDOR_IBM - -config IBMVETH - tristate "IBM LAN Virtual Ethernet support" - depends on PPC_PSERIES - ---help--- - This driver supports virtual ethernet adapters on newer IBM iSeries - and pSeries systems. - - To compile this driver as a module, choose M here. The module will - be called ibmveth. - -source "drivers/net/ethernet/ibm/emac/Kconfig" - -config EHEA - tristate "eHEA Ethernet support" - depends on IBMEBUS && INET && SPARSEMEM - select INET_LRO - ---help--- - This driver supports the IBM pSeries eHEA ethernet adapter. - - To compile the driver as a module, choose M here. The module - will be called ehea. - -endif # NET_VENDOR_IBM diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/Makefile b/ANDROID_3.4.5/drivers/net/ethernet/ibm/Makefile deleted file mode 100644 index 2f04e71a..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# -# Makefile for th IBM network device drivers. -# - -obj-$(CONFIG_IBMVETH) += ibmveth.o -obj-$(CONFIG_IBM_EMAC) += emac/ -obj-$(CONFIG_EHEA) += ehea/ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/Makefile b/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/Makefile deleted file mode 100644 index 775d9969..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# -# Makefile for the eHEA ethernet device driver for IBM eServer System p -# -ehea-y = ehea_main.o ehea_phyp.o ehea_qmr.o ehea_ethtool.o ehea_phyp.o -obj-$(CONFIG_EHEA) += ehea.o - diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea.h deleted file mode 100644 index b8e46cc3..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea.h +++ /dev/null @@ -1,491 +0,0 @@ -/* - * linux/drivers/net/ethernet/ibm/ehea/ehea.h - * - * eHEA ethernet device driver for IBM eServer System p - * - * (C) Copyright IBM Corp. 2006 - * - * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __EHEA_H__ -#define __EHEA_H__ - -#include <linux/module.h> -#include <linux/ethtool.h> -#include <linux/vmalloc.h> -#include <linux/if_vlan.h> - -#include <asm/ibmebus.h> -#include <asm/abs_addr.h> -#include <asm/io.h> - -#define DRV_NAME "ehea" -#define DRV_VERSION "EHEA_0107" - -/* eHEA capability flags */ -#define DLPAR_PORT_ADD_REM 1 -#define DLPAR_MEM_ADD 2 -#define DLPAR_MEM_REM 4 -#define EHEA_CAPABILITIES (DLPAR_PORT_ADD_REM | DLPAR_MEM_ADD | DLPAR_MEM_REM) - -#define EHEA_MSG_DEFAULT (NETIF_MSG_LINK | NETIF_MSG_TIMER \ - | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) - -#define EHEA_MAX_ENTRIES_RQ1 32767 -#define EHEA_MAX_ENTRIES_RQ2 16383 -#define EHEA_MAX_ENTRIES_RQ3 16383 -#define EHEA_MAX_ENTRIES_SQ 32767 -#define EHEA_MIN_ENTRIES_QP 127 - -#define EHEA_SMALL_QUEUES - -#ifdef EHEA_SMALL_QUEUES -#define EHEA_MAX_CQE_COUNT 1023 -#define EHEA_DEF_ENTRIES_SQ 1023 -#define EHEA_DEF_ENTRIES_RQ1 1023 -#define EHEA_DEF_ENTRIES_RQ2 1023 -#define EHEA_DEF_ENTRIES_RQ3 511 -#else -#define EHEA_MAX_CQE_COUNT 4080 -#define EHEA_DEF_ENTRIES_SQ 4080 -#define EHEA_DEF_ENTRIES_RQ1 8160 -#define EHEA_DEF_ENTRIES_RQ2 2040 -#define EHEA_DEF_ENTRIES_RQ3 2040 -#endif - -#define EHEA_MAX_ENTRIES_EQ 20 - -#define EHEA_SG_SQ 2 -#define EHEA_SG_RQ1 1 -#define EHEA_SG_RQ2 0 -#define EHEA_SG_RQ3 0 - -#define EHEA_MAX_PACKET_SIZE 9022 /* for jumbo frames */ -#define EHEA_RQ2_PKT_SIZE 2048 -#define EHEA_L_PKT_SIZE 256 /* low latency */ - -/* Send completion signaling */ - -/* Protection Domain Identifier */ -#define EHEA_PD_ID 0xaabcdeff - -#define EHEA_RQ2_THRESHOLD 1 -#define EHEA_RQ3_THRESHOLD 4 /* use RQ3 threshold of 2048 bytes */ - -#define EHEA_SPEED_10G 10000 -#define EHEA_SPEED_1G 1000 -#define EHEA_SPEED_100M 100 -#define EHEA_SPEED_10M 10 -#define EHEA_SPEED_AUTONEG 0 - -/* Broadcast/Multicast registration types */ -#define EHEA_BCMC_SCOPE_ALL 0x08 -#define EHEA_BCMC_SCOPE_SINGLE 0x00 -#define EHEA_BCMC_MULTICAST 0x04 -#define EHEA_BCMC_BROADCAST 0x00 -#define EHEA_BCMC_UNTAGGED 0x02 -#define EHEA_BCMC_TAGGED 0x00 -#define EHEA_BCMC_VLANID_ALL 0x01 -#define EHEA_BCMC_VLANID_SINGLE 0x00 - -#define EHEA_CACHE_LINE 128 - -/* Memory Regions */ -#define EHEA_MR_ACC_CTRL 0x00800000 - -#define EHEA_BUSMAP_START 0x8000000000000000ULL -#define EHEA_INVAL_ADDR 0xFFFFFFFFFFFFFFFFULL -#define EHEA_DIR_INDEX_SHIFT 13 /* 8k Entries in 64k block */ -#define EHEA_TOP_INDEX_SHIFT (EHEA_DIR_INDEX_SHIFT * 2) -#define EHEA_MAP_ENTRIES (1 << EHEA_DIR_INDEX_SHIFT) -#define EHEA_MAP_SIZE (0x10000) /* currently fixed map size */ -#define EHEA_INDEX_MASK (EHEA_MAP_ENTRIES - 1) - - -#define EHEA_WATCH_DOG_TIMEOUT 10*HZ - -/* utility functions */ - -void ehea_dump(void *adr, int len, char *msg); - -#define EHEA_BMASK(pos, length) (((pos) << 16) + (length)) - -#define EHEA_BMASK_IBM(from, to) (((63 - to) << 16) + ((to) - (from) + 1)) - -#define EHEA_BMASK_SHIFTPOS(mask) (((mask) >> 16) & 0xffff) - -#define EHEA_BMASK_MASK(mask) \ - (0xffffffffffffffffULL >> ((64 - (mask)) & 0xffff)) - -#define EHEA_BMASK_SET(mask, value) \ - ((EHEA_BMASK_MASK(mask) & ((u64)(value))) << EHEA_BMASK_SHIFTPOS(mask)) - -#define EHEA_BMASK_GET(mask, value) \ - (EHEA_BMASK_MASK(mask) & (((u64)(value)) >> EHEA_BMASK_SHIFTPOS(mask))) - -/* - * Generic ehea page - */ -struct ehea_page { - u8 entries[PAGE_SIZE]; -}; - -/* - * Generic queue in linux kernel virtual memory - */ -struct hw_queue { - u64 current_q_offset; /* current queue entry */ - struct ehea_page **queue_pages; /* array of pages belonging to queue */ - u32 qe_size; /* queue entry size */ - u32 queue_length; /* queue length allocated in bytes */ - u32 pagesize; - u32 toggle_state; /* toggle flag - per page */ - u32 reserved; /* 64 bit alignment */ -}; - -/* - * For pSeries this is a 64bit memory address where - * I/O memory is mapped into CPU address space - */ -struct h_epa { - void __iomem *addr; -}; - -struct h_epa_user { - u64 addr; -}; - -struct h_epas { - struct h_epa kernel; /* kernel space accessible resource, - set to 0 if unused */ - struct h_epa_user user; /* user space accessible resource - set to 0 if unused */ -}; - -/* - * Memory map data structures - */ -struct ehea_dir_bmap -{ - u64 ent[EHEA_MAP_ENTRIES]; -}; -struct ehea_top_bmap -{ - struct ehea_dir_bmap *dir[EHEA_MAP_ENTRIES]; -}; -struct ehea_bmap -{ - struct ehea_top_bmap *top[EHEA_MAP_ENTRIES]; -}; - -struct ehea_qp; -struct ehea_cq; -struct ehea_eq; -struct ehea_port; -struct ehea_av; - -/* - * Queue attributes passed to ehea_create_qp() - */ -struct ehea_qp_init_attr { - /* input parameter */ - u32 qp_token; /* queue token */ - u8 low_lat_rq1; - u8 signalingtype; /* cqe generation flag */ - u8 rq_count; /* num of receive queues */ - u8 eqe_gen; /* eqe generation flag */ - u16 max_nr_send_wqes; /* max number of send wqes */ - u16 max_nr_rwqes_rq1; /* max number of receive wqes */ - u16 max_nr_rwqes_rq2; - u16 max_nr_rwqes_rq3; - u8 wqe_size_enc_sq; - u8 wqe_size_enc_rq1; - u8 wqe_size_enc_rq2; - u8 wqe_size_enc_rq3; - u8 swqe_imm_data_len; /* immediate data length for swqes */ - u16 port_nr; - u16 rq2_threshold; - u16 rq3_threshold; - u64 send_cq_handle; - u64 recv_cq_handle; - u64 aff_eq_handle; - - /* output parameter */ - u32 qp_nr; - u16 act_nr_send_wqes; - u16 act_nr_rwqes_rq1; - u16 act_nr_rwqes_rq2; - u16 act_nr_rwqes_rq3; - u8 act_wqe_size_enc_sq; - u8 act_wqe_size_enc_rq1; - u8 act_wqe_size_enc_rq2; - u8 act_wqe_size_enc_rq3; - u32 nr_sq_pages; - u32 nr_rq1_pages; - u32 nr_rq2_pages; - u32 nr_rq3_pages; - u32 liobn_sq; - u32 liobn_rq1; - u32 liobn_rq2; - u32 liobn_rq3; -}; - -/* - * Event Queue attributes, passed as parameter - */ -struct ehea_eq_attr { - u32 type; - u32 max_nr_of_eqes; - u8 eqe_gen; /* generate eqe flag */ - u64 eq_handle; - u32 act_nr_of_eqes; - u32 nr_pages; - u32 ist1; /* Interrupt service token */ - u32 ist2; - u32 ist3; - u32 ist4; -}; - - -/* - * Event Queue - */ -struct ehea_eq { - struct ehea_adapter *adapter; - struct hw_queue hw_queue; - u64 fw_handle; - struct h_epas epas; - spinlock_t spinlock; - struct ehea_eq_attr attr; -}; - -/* - * HEA Queues - */ -struct ehea_qp { - struct ehea_adapter *adapter; - u64 fw_handle; /* QP handle for firmware calls */ - struct hw_queue hw_squeue; - struct hw_queue hw_rqueue1; - struct hw_queue hw_rqueue2; - struct hw_queue hw_rqueue3; - struct h_epas epas; - struct ehea_qp_init_attr init_attr; -}; - -/* - * Completion Queue attributes - */ -struct ehea_cq_attr { - /* input parameter */ - u32 max_nr_of_cqes; - u32 cq_token; - u64 eq_handle; - - /* output parameter */ - u32 act_nr_of_cqes; - u32 nr_pages; -}; - -/* - * Completion Queue - */ -struct ehea_cq { - struct ehea_adapter *adapter; - u64 fw_handle; - struct hw_queue hw_queue; - struct h_epas epas; - struct ehea_cq_attr attr; -}; - -/* - * Memory Region - */ -struct ehea_mr { - struct ehea_adapter *adapter; - u64 handle; - u64 vaddr; - u32 lkey; -}; - -/* - * Port state information - */ -struct port_stats { - int poll_receive_errors; - int queue_stopped; - int err_tcp_cksum; - int err_ip_cksum; - int err_frame_crc; -}; - -#define EHEA_IRQ_NAME_SIZE 20 - -/* - * Queue SKB Array - */ -struct ehea_q_skb_arr { - struct sk_buff **arr; /* skb array for queue */ - int len; /* array length */ - int index; /* array index */ - int os_skbs; /* rq2/rq3 only: outstanding skbs */ -}; - -/* - * Port resources - */ -struct ehea_port_res { - struct napi_struct napi; - struct port_stats p_stats; - struct ehea_mr send_mr; /* send memory region */ - struct ehea_mr recv_mr; /* receive memory region */ - struct ehea_port *port; - char int_recv_name[EHEA_IRQ_NAME_SIZE]; - char int_send_name[EHEA_IRQ_NAME_SIZE]; - struct ehea_qp *qp; - struct ehea_cq *send_cq; - struct ehea_cq *recv_cq; - struct ehea_eq *eq; - struct ehea_q_skb_arr rq1_skba; - struct ehea_q_skb_arr rq2_skba; - struct ehea_q_skb_arr rq3_skba; - struct ehea_q_skb_arr sq_skba; - int sq_skba_size; - int swqe_refill_th; - atomic_t swqe_avail; - int swqe_ll_count; - u32 swqe_id_counter; - u64 tx_packets; - u64 tx_bytes; - u64 rx_packets; - u64 rx_bytes; - int sq_restart_flag; -}; - - -#define EHEA_MAX_PORTS 16 - -#define EHEA_NUM_PORTRES_FW_HANDLES 6 /* QP handle, SendCQ handle, - RecvCQ handle, EQ handle, - SendMR handle, RecvMR handle */ -#define EHEA_NUM_PORT_FW_HANDLES 1 /* EQ handle */ -#define EHEA_NUM_ADAPTER_FW_HANDLES 2 /* MR handle, NEQ handle */ - -struct ehea_adapter { - u64 handle; - struct platform_device *ofdev; - struct ehea_port *port[EHEA_MAX_PORTS]; - struct ehea_eq *neq; /* notification event queue */ - struct tasklet_struct neq_tasklet; - struct ehea_mr mr; - u32 pd; /* protection domain */ - u64 max_mc_mac; /* max number of multicast mac addresses */ - int active_ports; - struct list_head list; -}; - - -struct ehea_mc_list { - struct list_head list; - u64 macaddr; -}; - -/* kdump support */ -struct ehea_fw_handle_entry { - u64 adh; /* Adapter Handle */ - u64 fwh; /* Firmware Handle */ -}; - -struct ehea_fw_handle_array { - struct ehea_fw_handle_entry *arr; - int num_entries; - struct mutex lock; -}; - -struct ehea_bcmc_reg_entry { - u64 adh; /* Adapter Handle */ - u32 port_id; /* Logical Port Id */ - u8 reg_type; /* Registration Type */ - u64 macaddr; -}; - -struct ehea_bcmc_reg_array { - struct ehea_bcmc_reg_entry *arr; - int num_entries; - spinlock_t lock; -}; - -#define EHEA_PORT_UP 1 -#define EHEA_PORT_DOWN 0 -#define EHEA_PHY_LINK_UP 1 -#define EHEA_PHY_LINK_DOWN 0 -#define EHEA_MAX_PORT_RES 16 -struct ehea_port { - struct ehea_adapter *adapter; /* adapter that owns this port */ - struct net_device *netdev; - struct rtnl_link_stats64 stats; - struct ehea_port_res port_res[EHEA_MAX_PORT_RES]; - struct platform_device ofdev; /* Open Firmware Device */ - struct ehea_mc_list *mc_list; /* Multicast MAC addresses */ - struct ehea_eq *qp_eq; - struct work_struct reset_task; - struct delayed_work stats_work; - struct mutex port_lock; - char int_aff_name[EHEA_IRQ_NAME_SIZE]; - int allmulti; /* Indicates IFF_ALLMULTI state */ - int promisc; /* Indicates IFF_PROMISC state */ - int num_mcs; - int resets; - unsigned long flags; - u64 mac_addr; - u32 logical_port_id; - u32 port_speed; - u32 msg_enable; - u32 sig_comp_iv; - u32 state; - u8 phy_link; - u8 full_duplex; - u8 autoneg; - u8 num_def_qps; - wait_queue_head_t swqe_avail_wq; - wait_queue_head_t restart_wq; -}; - -struct port_res_cfg { - int max_entries_rcq; - int max_entries_scq; - int max_entries_sq; - int max_entries_rq1; - int max_entries_rq2; - int max_entries_rq3; -}; - -enum ehea_flag_bits { - __EHEA_STOP_XFER, - __EHEA_DISABLE_PORT_RESET -}; - -void ehea_set_ethtool_ops(struct net_device *netdev); -int ehea_sense_port_attr(struct ehea_port *port); -int ehea_set_portspeed(struct ehea_port *port, u32 port_speed); - -#endif /* __EHEA_H__ */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c deleted file mode 100644 index 95837b99..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c +++ /dev/null @@ -1,282 +0,0 @@ -/* - * linux/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c - * - * eHEA ethernet device driver for IBM eServer System p - * - * (C) Copyright IBM Corp. 2006 - * - * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include "ehea.h" -#include "ehea_phyp.h" - -static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct ehea_port *port = netdev_priv(dev); - u32 speed; - int ret; - - ret = ehea_sense_port_attr(port); - - if (ret) - return ret; - - if (netif_carrier_ok(dev)) { - switch (port->port_speed) { - case EHEA_SPEED_10M: - speed = SPEED_10; - break; - case EHEA_SPEED_100M: - speed = SPEED_100; - break; - case EHEA_SPEED_1G: - speed = SPEED_1000; - break; - case EHEA_SPEED_10G: - speed = SPEED_10000; - break; - default: - speed = -1; - break; /* BUG */ - } - cmd->duplex = port->full_duplex == 1 ? - DUPLEX_FULL : DUPLEX_HALF; - } else { - speed = ~0; - cmd->duplex = -1; - } - ethtool_cmd_speed_set(cmd, speed); - - if (cmd->speed == SPEED_10000) { - cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); - cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); - cmd->port = PORT_FIBRE; - } else { - cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full - | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full - | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg - | SUPPORTED_TP); - cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg - | ADVERTISED_TP); - cmd->port = PORT_TP; - } - - cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE; - - return 0; -} - -static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct ehea_port *port = netdev_priv(dev); - int ret = 0; - u32 sp; - - if (cmd->autoneg == AUTONEG_ENABLE) { - sp = EHEA_SPEED_AUTONEG; - goto doit; - } - - switch (cmd->speed) { - case SPEED_10: - if (cmd->duplex == DUPLEX_FULL) - sp = H_SPEED_10M_F; - else - sp = H_SPEED_10M_H; - break; - - case SPEED_100: - if (cmd->duplex == DUPLEX_FULL) - sp = H_SPEED_100M_F; - else - sp = H_SPEED_100M_H; - break; - - case SPEED_1000: - if (cmd->duplex == DUPLEX_FULL) - sp = H_SPEED_1G_F; - else - ret = -EINVAL; - break; - - case SPEED_10000: - if (cmd->duplex == DUPLEX_FULL) - sp = H_SPEED_10G_F; - else - ret = -EINVAL; - break; - - default: - ret = -EINVAL; - break; - } - - if (ret) - goto out; -doit: - ret = ehea_set_portspeed(port, sp); - - if (!ret) - netdev_info(dev, - "Port speed successfully set: %dMbps %s Duplex\n", - port->port_speed, - port->full_duplex == 1 ? "Full" : "Half"); -out: - return ret; -} - -static int ehea_nway_reset(struct net_device *dev) -{ - struct ehea_port *port = netdev_priv(dev); - int ret; - - ret = ehea_set_portspeed(port, EHEA_SPEED_AUTONEG); - - if (!ret) - netdev_info(port->netdev, - "Port speed successfully set: %dMbps %s Duplex\n", - port->port_speed, - port->full_duplex == 1 ? "Full" : "Half"); - return ret; -} - -static void ehea_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); - strlcpy(info->version, DRV_VERSION, sizeof(info->version)); -} - -static u32 ehea_get_msglevel(struct net_device *dev) -{ - struct ehea_port *port = netdev_priv(dev); - return port->msg_enable; -} - -static void ehea_set_msglevel(struct net_device *dev, u32 value) -{ - struct ehea_port *port = netdev_priv(dev); - port->msg_enable = value; -} - -static const char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = { - {"sig_comp_iv"}, - {"swqe_refill_th"}, - {"port resets"}, - {"Receive errors"}, - {"TCP cksum errors"}, - {"IP cksum errors"}, - {"Frame cksum errors"}, - {"num SQ stopped"}, - {"PR0 free_swqes"}, - {"PR1 free_swqes"}, - {"PR2 free_swqes"}, - {"PR3 free_swqes"}, - {"PR4 free_swqes"}, - {"PR5 free_swqes"}, - {"PR6 free_swqes"}, - {"PR7 free_swqes"}, - {"PR8 free_swqes"}, - {"PR9 free_swqes"}, - {"PR10 free_swqes"}, - {"PR11 free_swqes"}, - {"PR12 free_swqes"}, - {"PR13 free_swqes"}, - {"PR14 free_swqes"}, - {"PR15 free_swqes"}, -}; - -static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data) -{ - if (stringset == ETH_SS_STATS) { - memcpy(data, &ehea_ethtool_stats_keys, - sizeof(ehea_ethtool_stats_keys)); - } -} - -static int ehea_get_sset_count(struct net_device *dev, int sset) -{ - switch (sset) { - case ETH_SS_STATS: - return ARRAY_SIZE(ehea_ethtool_stats_keys); - default: - return -EOPNOTSUPP; - } -} - -static void ehea_get_ethtool_stats(struct net_device *dev, - struct ethtool_stats *stats, u64 *data) -{ - int i, k, tmp; - struct ehea_port *port = netdev_priv(dev); - - for (i = 0; i < ehea_get_sset_count(dev, ETH_SS_STATS); i++) - data[i] = 0; - i = 0; - - data[i++] = port->sig_comp_iv; - data[i++] = port->port_res[0].swqe_refill_th; - data[i++] = port->resets; - - for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) - tmp += port->port_res[k].p_stats.poll_receive_errors; - data[i++] = tmp; - - for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) - tmp += port->port_res[k].p_stats.err_tcp_cksum; - data[i++] = tmp; - - for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) - tmp += port->port_res[k].p_stats.err_ip_cksum; - data[i++] = tmp; - - for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) - tmp += port->port_res[k].p_stats.err_frame_crc; - data[i++] = tmp; - - for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) - tmp += port->port_res[k].p_stats.queue_stopped; - data[i++] = tmp; - - for (k = 0; k < 16; k++) - data[i++] = atomic_read(&port->port_res[k].swqe_avail); -} - -static const struct ethtool_ops ehea_ethtool_ops = { - .get_settings = ehea_get_settings, - .get_drvinfo = ehea_get_drvinfo, - .get_msglevel = ehea_get_msglevel, - .set_msglevel = ehea_set_msglevel, - .get_link = ethtool_op_get_link, - .get_strings = ehea_get_strings, - .get_sset_count = ehea_get_sset_count, - .get_ethtool_stats = ehea_get_ethtool_stats, - .set_settings = ehea_set_settings, - .nway_reset = ehea_nway_reset, /* Restart autonegotiation */ -}; - -void ehea_set_ethtool_ops(struct net_device *netdev) -{ - SET_ETHTOOL_OPS(netdev, &ehea_ethtool_ops); -} diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_hw.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_hw.h deleted file mode 100644 index 180d4128..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_hw.h +++ /dev/null @@ -1,267 +0,0 @@ -/* - * linux/drivers/net/ethernet/ibm/ehea/ehea_hw.h - * - * eHEA ethernet device driver for IBM eServer System p - * - * (C) Copyright IBM Corp. 2006 - * - * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __EHEA_HW_H__ -#define __EHEA_HW_H__ - -#define QPX_SQA_VALUE EHEA_BMASK_IBM(48, 63) -#define QPX_RQ1A_VALUE EHEA_BMASK_IBM(48, 63) -#define QPX_RQ2A_VALUE EHEA_BMASK_IBM(48, 63) -#define QPX_RQ3A_VALUE EHEA_BMASK_IBM(48, 63) - -#define QPTEMM_OFFSET(x) offsetof(struct ehea_qptemm, x) - -struct ehea_qptemm { - u64 qpx_hcr; - u64 qpx_c; - u64 qpx_herr; - u64 qpx_aer; - u64 qpx_sqa; - u64 qpx_sqc; - u64 qpx_rq1a; - u64 qpx_rq1c; - u64 qpx_st; - u64 qpx_aerr; - u64 qpx_tenure; - u64 qpx_reserved1[(0x098 - 0x058) / 8]; - u64 qpx_portp; - u64 qpx_reserved2[(0x100 - 0x0A0) / 8]; - u64 qpx_t; - u64 qpx_sqhp; - u64 qpx_sqptp; - u64 qpx_reserved3[(0x140 - 0x118) / 8]; - u64 qpx_sqwsize; - u64 qpx_reserved4[(0x170 - 0x148) / 8]; - u64 qpx_sqsize; - u64 qpx_reserved5[(0x1B0 - 0x178) / 8]; - u64 qpx_sigt; - u64 qpx_wqecnt; - u64 qpx_rq1hp; - u64 qpx_rq1ptp; - u64 qpx_rq1size; - u64 qpx_reserved6[(0x220 - 0x1D8) / 8]; - u64 qpx_rq1wsize; - u64 qpx_reserved7[(0x240 - 0x228) / 8]; - u64 qpx_pd; - u64 qpx_scqn; - u64 qpx_rcqn; - u64 qpx_aeqn; - u64 reserved49; - u64 qpx_ram; - u64 qpx_reserved8[(0x300 - 0x270) / 8]; - u64 qpx_rq2a; - u64 qpx_rq2c; - u64 qpx_rq2hp; - u64 qpx_rq2ptp; - u64 qpx_rq2size; - u64 qpx_rq2wsize; - u64 qpx_rq2th; - u64 qpx_rq3a; - u64 qpx_rq3c; - u64 qpx_rq3hp; - u64 qpx_rq3ptp; - u64 qpx_rq3size; - u64 qpx_rq3wsize; - u64 qpx_rq3th; - u64 qpx_lpn; - u64 qpx_reserved9[(0x400 - 0x378) / 8]; - u64 reserved_ext[(0x500 - 0x400) / 8]; - u64 reserved2[(0x1000 - 0x500) / 8]; -}; - -#define MRx_HCR_LPARID_VALID EHEA_BMASK_IBM(0, 0) - -#define MRMWMM_OFFSET(x) offsetof(struct ehea_mrmwmm, x) - -struct ehea_mrmwmm { - u64 mrx_hcr; - u64 mrx_c; - u64 mrx_herr; - u64 mrx_aer; - u64 mrx_pp; - u64 reserved1; - u64 reserved2; - u64 reserved3; - u64 reserved4[(0x200 - 0x40) / 8]; - u64 mrx_ctl[64]; -}; - -#define QPEDMM_OFFSET(x) offsetof(struct ehea_qpedmm, x) - -struct ehea_qpedmm { - - u64 reserved0[(0x400) / 8]; - u64 qpedx_phh; - u64 qpedx_ppsgp; - u64 qpedx_ppsgu; - u64 qpedx_ppdgp; - u64 qpedx_ppdgu; - u64 qpedx_aph; - u64 qpedx_apsgp; - u64 qpedx_apsgu; - u64 qpedx_apdgp; - u64 qpedx_apdgu; - u64 qpedx_apav; - u64 qpedx_apsav; - u64 qpedx_hcr; - u64 reserved1[4]; - u64 qpedx_rrl0; - u64 qpedx_rrrkey0; - u64 qpedx_rrva0; - u64 reserved2; - u64 qpedx_rrl1; - u64 qpedx_rrrkey1; - u64 qpedx_rrva1; - u64 reserved3; - u64 qpedx_rrl2; - u64 qpedx_rrrkey2; - u64 qpedx_rrva2; - u64 reserved4; - u64 qpedx_rrl3; - u64 qpedx_rrrkey3; - u64 qpedx_rrva3; -}; - -#define CQX_FECADDER EHEA_BMASK_IBM(32, 63) -#define CQX_FEC_CQE_CNT EHEA_BMASK_IBM(32, 63) -#define CQX_N1_GENERATE_COMP_EVENT EHEA_BMASK_IBM(0, 0) -#define CQX_EP_EVENT_PENDING EHEA_BMASK_IBM(0, 0) - -#define CQTEMM_OFFSET(x) offsetof(struct ehea_cqtemm, x) - -struct ehea_cqtemm { - u64 cqx_hcr; - u64 cqx_c; - u64 cqx_herr; - u64 cqx_aer; - u64 cqx_ptp; - u64 cqx_tp; - u64 cqx_fec; - u64 cqx_feca; - u64 cqx_ep; - u64 cqx_eq; - u64 reserved1; - u64 cqx_n0; - u64 cqx_n1; - u64 reserved2[(0x1000 - 0x60) / 8]; -}; - -#define EQTEMM_OFFSET(x) offsetof(struct ehea_eqtemm, x) - -struct ehea_eqtemm { - u64 eqx_hcr; - u64 eqx_c; - u64 eqx_herr; - u64 eqx_aer; - u64 eqx_ptp; - u64 eqx_tp; - u64 eqx_ssba; - u64 eqx_psba; - u64 eqx_cec; - u64 eqx_meql; - u64 eqx_xisbi; - u64 eqx_xisc; - u64 eqx_it; -}; - -/* - * These access functions will be changed when the dissuccsion about - * the new access methods for POWER has settled. - */ - -static inline u64 epa_load(struct h_epa epa, u32 offset) -{ - return __raw_readq((void __iomem *)(epa.addr + offset)); -} - -static inline void epa_store(struct h_epa epa, u32 offset, u64 value) -{ - __raw_writeq(value, (void __iomem *)(epa.addr + offset)); - epa_load(epa, offset); /* synchronize explicitly to eHEA */ -} - -static inline void epa_store_acc(struct h_epa epa, u32 offset, u64 value) -{ - __raw_writeq(value, (void __iomem *)(epa.addr + offset)); -} - -#define epa_store_cq(epa, offset, value)\ - epa_store(epa, CQTEMM_OFFSET(offset), value) -#define epa_load_cq(epa, offset)\ - epa_load(epa, CQTEMM_OFFSET(offset)) - -static inline void ehea_update_sqa(struct ehea_qp *qp, u16 nr_wqes) -{ - struct h_epa epa = qp->epas.kernel; - epa_store_acc(epa, QPTEMM_OFFSET(qpx_sqa), - EHEA_BMASK_SET(QPX_SQA_VALUE, nr_wqes)); -} - -static inline void ehea_update_rq3a(struct ehea_qp *qp, u16 nr_wqes) -{ - struct h_epa epa = qp->epas.kernel; - epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq3a), - EHEA_BMASK_SET(QPX_RQ1A_VALUE, nr_wqes)); -} - -static inline void ehea_update_rq2a(struct ehea_qp *qp, u16 nr_wqes) -{ - struct h_epa epa = qp->epas.kernel; - epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq2a), - EHEA_BMASK_SET(QPX_RQ2A_VALUE, nr_wqes)); -} - -static inline void ehea_update_rq1a(struct ehea_qp *qp, u16 nr_wqes) -{ - struct h_epa epa = qp->epas.kernel; - epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq1a), - EHEA_BMASK_SET(QPX_RQ3A_VALUE, nr_wqes)); -} - -static inline void ehea_update_feca(struct ehea_cq *cq, u32 nr_cqes) -{ - struct h_epa epa = cq->epas.kernel; - epa_store_acc(epa, CQTEMM_OFFSET(cqx_feca), - EHEA_BMASK_SET(CQX_FECADDER, nr_cqes)); -} - -static inline void ehea_reset_cq_n1(struct ehea_cq *cq) -{ - struct h_epa epa = cq->epas.kernel; - epa_store_cq(epa, cqx_n1, - EHEA_BMASK_SET(CQX_N1_GENERATE_COMP_EVENT, 1)); -} - -static inline void ehea_reset_cq_ep(struct ehea_cq *my_cq) -{ - struct h_epa epa = my_cq->epas.kernel; - epa_store_acc(epa, CQTEMM_OFFSET(cqx_ep), - EHEA_BMASK_SET(CQX_EP_EVENT_PENDING, 0)); -} - -#endif /* __EHEA_HW_H__ */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_main.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_main.c deleted file mode 100644 index f4d2da0d..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ /dev/null @@ -1,3580 +0,0 @@ -/* - * linux/drivers/net/ethernet/ibm/ehea/ehea_main.c - * - * eHEA ethernet device driver for IBM eServer System p - * - * (C) Copyright IBM Corp. 2006 - * - * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/in.h> -#include <linux/ip.h> -#include <linux/tcp.h> -#include <linux/udp.h> -#include <linux/if.h> -#include <linux/list.h> -#include <linux/slab.h> -#include <linux/if_ether.h> -#include <linux/notifier.h> -#include <linux/reboot.h> -#include <linux/memory.h> -#include <asm/kexec.h> -#include <linux/mutex.h> -#include <linux/prefetch.h> - -#include <net/ip.h> - -#include "ehea.h" -#include "ehea_qmr.h" -#include "ehea_phyp.h" - - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>"); -MODULE_DESCRIPTION("IBM eServer HEA Driver"); -MODULE_VERSION(DRV_VERSION); - - -static int msg_level = -1; -static int rq1_entries = EHEA_DEF_ENTRIES_RQ1; -static int rq2_entries = EHEA_DEF_ENTRIES_RQ2; -static int rq3_entries = EHEA_DEF_ENTRIES_RQ3; -static int sq_entries = EHEA_DEF_ENTRIES_SQ; -static int use_mcs = 1; -static int prop_carrier_state; - -module_param(msg_level, int, 0); -module_param(rq1_entries, int, 0); -module_param(rq2_entries, int, 0); -module_param(rq3_entries, int, 0); -module_param(sq_entries, int, 0); -module_param(prop_carrier_state, int, 0); -module_param(use_mcs, int, 0); - -MODULE_PARM_DESC(msg_level, "msg_level"); -MODULE_PARM_DESC(prop_carrier_state, "Propagate carrier state of physical " - "port to stack. 1:yes, 0:no. Default = 0 "); -MODULE_PARM_DESC(rq3_entries, "Number of entries for Receive Queue 3 " - "[2^x - 1], x = [6..14]. Default = " - __MODULE_STRING(EHEA_DEF_ENTRIES_RQ3) ")"); -MODULE_PARM_DESC(rq2_entries, "Number of entries for Receive Queue 2 " - "[2^x - 1], x = [6..14]. Default = " - __MODULE_STRING(EHEA_DEF_ENTRIES_RQ2) ")"); -MODULE_PARM_DESC(rq1_entries, "Number of entries for Receive Queue 1 " - "[2^x - 1], x = [6..14]. Default = " - __MODULE_STRING(EHEA_DEF_ENTRIES_RQ1) ")"); -MODULE_PARM_DESC(sq_entries, " Number of entries for the Send Queue " - "[2^x - 1], x = [6..14]. Default = " - __MODULE_STRING(EHEA_DEF_ENTRIES_SQ) ")"); -MODULE_PARM_DESC(use_mcs, " Multiple receive queues, 1: enable, 0: disable, " - "Default = 1"); - -static int port_name_cnt; -static LIST_HEAD(adapter_list); -static unsigned long ehea_driver_flags; -static DEFINE_MUTEX(dlpar_mem_lock); -static struct ehea_fw_handle_array ehea_fw_handles; -static struct ehea_bcmc_reg_array ehea_bcmc_regs; - - -static int __devinit ehea_probe_adapter(struct platform_device *dev, - const struct of_device_id *id); - -static int __devexit ehea_remove(struct platform_device *dev); - -static struct of_device_id ehea_device_table[] = { - { - .name = "lhea", - .compatible = "IBM,lhea", - }, - {}, -}; -MODULE_DEVICE_TABLE(of, ehea_device_table); - -static struct of_platform_driver ehea_driver = { - .driver = { - .name = "ehea", - .owner = THIS_MODULE, - .of_match_table = ehea_device_table, - }, - .probe = ehea_probe_adapter, - .remove = ehea_remove, -}; - -void ehea_dump(void *adr, int len, char *msg) -{ - int x; - unsigned char *deb = adr; - for (x = 0; x < len; x += 16) { - pr_info("%s adr=%p ofs=%04x %016llx %016llx\n", - msg, deb, x, *((u64 *)&deb[0]), *((u64 *)&deb[8])); - deb += 16; - } -} - -static void ehea_schedule_port_reset(struct ehea_port *port) -{ - if (!test_bit(__EHEA_DISABLE_PORT_RESET, &port->flags)) - schedule_work(&port->reset_task); -} - -static void ehea_update_firmware_handles(void) -{ - struct ehea_fw_handle_entry *arr = NULL; - struct ehea_adapter *adapter; - int num_adapters = 0; - int num_ports = 0; - int num_portres = 0; - int i = 0; - int num_fw_handles, k, l; - - /* Determine number of handles */ - mutex_lock(&ehea_fw_handles.lock); - - list_for_each_entry(adapter, &adapter_list, list) { - num_adapters++; - - for (k = 0; k < EHEA_MAX_PORTS; k++) { - struct ehea_port *port = adapter->port[k]; - - if (!port || (port->state != EHEA_PORT_UP)) - continue; - - num_ports++; - num_portres += port->num_def_qps; - } - } - - num_fw_handles = num_adapters * EHEA_NUM_ADAPTER_FW_HANDLES + - num_ports * EHEA_NUM_PORT_FW_HANDLES + - num_portres * EHEA_NUM_PORTRES_FW_HANDLES; - - if (num_fw_handles) { - arr = kcalloc(num_fw_handles, sizeof(*arr), GFP_KERNEL); - if (!arr) - goto out; /* Keep the existing array */ - } else - goto out_update; - - list_for_each_entry(adapter, &adapter_list, list) { - if (num_adapters == 0) - break; - - for (k = 0; k < EHEA_MAX_PORTS; k++) { - struct ehea_port *port = adapter->port[k]; - - if (!port || (port->state != EHEA_PORT_UP) || - (num_ports == 0)) - continue; - - for (l = 0; l < port->num_def_qps; l++) { - struct ehea_port_res *pr = &port->port_res[l]; - - arr[i].adh = adapter->handle; - arr[i++].fwh = pr->qp->fw_handle; - arr[i].adh = adapter->handle; - arr[i++].fwh = pr->send_cq->fw_handle; - arr[i].adh = adapter->handle; - arr[i++].fwh = pr->recv_cq->fw_handle; - arr[i].adh = adapter->handle; - arr[i++].fwh = pr->eq->fw_handle; - arr[i].adh = adapter->handle; - arr[i++].fwh = pr->send_mr.handle; - arr[i].adh = adapter->handle; - arr[i++].fwh = pr->recv_mr.handle; - } - arr[i].adh = adapter->handle; - arr[i++].fwh = port->qp_eq->fw_handle; - num_ports--; - } - - arr[i].adh = adapter->handle; - arr[i++].fwh = adapter->neq->fw_handle; - - if (adapter->mr.handle) { - arr[i].adh = adapter->handle; - arr[i++].fwh = adapter->mr.handle; - } - num_adapters--; - } - -out_update: - kfree(ehea_fw_handles.arr); - ehea_fw_handles.arr = arr; - ehea_fw_handles.num_entries = i; -out: - mutex_unlock(&ehea_fw_handles.lock); -} - -static void ehea_update_bcmc_registrations(void) -{ - unsigned long flags; - struct ehea_bcmc_reg_entry *arr = NULL; - struct ehea_adapter *adapter; - struct ehea_mc_list *mc_entry; - int num_registrations = 0; - int i = 0; - int k; - - spin_lock_irqsave(&ehea_bcmc_regs.lock, flags); - - /* Determine number of registrations */ - list_for_each_entry(adapter, &adapter_list, list) - for (k = 0; k < EHEA_MAX_PORTS; k++) { - struct ehea_port *port = adapter->port[k]; - - if (!port || (port->state != EHEA_PORT_UP)) - continue; - - num_registrations += 2; /* Broadcast registrations */ - - list_for_each_entry(mc_entry, &port->mc_list->list,list) - num_registrations += 2; - } - - if (num_registrations) { - arr = kcalloc(num_registrations, sizeof(*arr), GFP_ATOMIC); - if (!arr) - goto out; /* Keep the existing array */ - } else - goto out_update; - - list_for_each_entry(adapter, &adapter_list, list) { - for (k = 0; k < EHEA_MAX_PORTS; k++) { - struct ehea_port *port = adapter->port[k]; - - if (!port || (port->state != EHEA_PORT_UP)) - continue; - - if (num_registrations == 0) - goto out_update; - - arr[i].adh = adapter->handle; - arr[i].port_id = port->logical_port_id; - arr[i].reg_type = EHEA_BCMC_BROADCAST | - EHEA_BCMC_UNTAGGED; - arr[i++].macaddr = port->mac_addr; - - arr[i].adh = adapter->handle; - arr[i].port_id = port->logical_port_id; - arr[i].reg_type = EHEA_BCMC_BROADCAST | - EHEA_BCMC_VLANID_ALL; - arr[i++].macaddr = port->mac_addr; - num_registrations -= 2; - - list_for_each_entry(mc_entry, - &port->mc_list->list, list) { - if (num_registrations == 0) - goto out_update; - - arr[i].adh = adapter->handle; - arr[i].port_id = port->logical_port_id; - arr[i].reg_type = EHEA_BCMC_MULTICAST | - EHEA_BCMC_UNTAGGED; - if (mc_entry->macaddr == 0) - arr[i].reg_type |= EHEA_BCMC_SCOPE_ALL; - arr[i++].macaddr = mc_entry->macaddr; - - arr[i].adh = adapter->handle; - arr[i].port_id = port->logical_port_id; - arr[i].reg_type = EHEA_BCMC_MULTICAST | - EHEA_BCMC_VLANID_ALL; - if (mc_entry->macaddr == 0) - arr[i].reg_type |= EHEA_BCMC_SCOPE_ALL; - arr[i++].macaddr = mc_entry->macaddr; - num_registrations -= 2; - } - } - } - -out_update: - kfree(ehea_bcmc_regs.arr); - ehea_bcmc_regs.arr = arr; - ehea_bcmc_regs.num_entries = i; -out: - spin_unlock_irqrestore(&ehea_bcmc_regs.lock, flags); -} - -static struct rtnl_link_stats64 *ehea_get_stats64(struct net_device *dev, - struct rtnl_link_stats64 *stats) -{ - struct ehea_port *port = netdev_priv(dev); - u64 rx_packets = 0, tx_packets = 0, rx_bytes = 0, tx_bytes = 0; - int i; - - for (i = 0; i < port->num_def_qps; i++) { - rx_packets += port->port_res[i].rx_packets; - rx_bytes += port->port_res[i].rx_bytes; - } - - for (i = 0; i < port->num_def_qps; i++) { - tx_packets += port->port_res[i].tx_packets; - tx_bytes += port->port_res[i].tx_bytes; - } - - stats->tx_packets = tx_packets; - stats->rx_bytes = rx_bytes; - stats->tx_bytes = tx_bytes; - stats->rx_packets = rx_packets; - - stats->multicast = port->stats.multicast; - stats->rx_errors = port->stats.rx_errors; - return stats; -} - -static void ehea_update_stats(struct work_struct *work) -{ - struct ehea_port *port = - container_of(work, struct ehea_port, stats_work.work); - struct net_device *dev = port->netdev; - struct rtnl_link_stats64 *stats = &port->stats; - struct hcp_ehea_port_cb2 *cb2; - u64 hret; - - cb2 = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb2) { - netdev_err(dev, "No mem for cb2. Some interface statistics were not updated\n"); - goto resched; - } - - hret = ehea_h_query_ehea_port(port->adapter->handle, - port->logical_port_id, - H_PORT_CB2, H_PORT_CB2_ALL, cb2); - if (hret != H_SUCCESS) { - netdev_err(dev, "query_ehea_port failed\n"); - goto out_herr; - } - - if (netif_msg_hw(port)) - ehea_dump(cb2, sizeof(*cb2), "net_device_stats"); - - stats->multicast = cb2->rxmcp; - stats->rx_errors = cb2->rxuerr; - -out_herr: - free_page((unsigned long)cb2); -resched: - schedule_delayed_work(&port->stats_work, - round_jiffies_relative(msecs_to_jiffies(1000))); -} - -static void ehea_refill_rq1(struct ehea_port_res *pr, int index, int nr_of_wqes) -{ - struct sk_buff **skb_arr_rq1 = pr->rq1_skba.arr; - struct net_device *dev = pr->port->netdev; - int max_index_mask = pr->rq1_skba.len - 1; - int fill_wqes = pr->rq1_skba.os_skbs + nr_of_wqes; - int adder = 0; - int i; - - pr->rq1_skba.os_skbs = 0; - - if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) { - if (nr_of_wqes > 0) - pr->rq1_skba.index = index; - pr->rq1_skba.os_skbs = fill_wqes; - return; - } - - for (i = 0; i < fill_wqes; i++) { - if (!skb_arr_rq1[index]) { - skb_arr_rq1[index] = netdev_alloc_skb(dev, - EHEA_L_PKT_SIZE); - if (!skb_arr_rq1[index]) { - netdev_info(dev, "Unable to allocate enough skb in the array\n"); - pr->rq1_skba.os_skbs = fill_wqes - i; - break; - } - } - index--; - index &= max_index_mask; - adder++; - } - - if (adder == 0) - return; - - /* Ring doorbell */ - ehea_update_rq1a(pr->qp, adder); -} - -static void ehea_init_fill_rq1(struct ehea_port_res *pr, int nr_rq1a) -{ - struct sk_buff **skb_arr_rq1 = pr->rq1_skba.arr; - struct net_device *dev = pr->port->netdev; - int i; - - if (nr_rq1a > pr->rq1_skba.len) { - netdev_err(dev, "NR_RQ1A bigger than skb array len\n"); - return; - } - - for (i = 0; i < nr_rq1a; i++) { - skb_arr_rq1[i] = netdev_alloc_skb(dev, EHEA_L_PKT_SIZE); - if (!skb_arr_rq1[i]) { - netdev_info(dev, "Not enough memory to allocate skb array\n"); - break; - } - } - /* Ring doorbell */ - ehea_update_rq1a(pr->qp, i - 1); -} - -static int ehea_refill_rq_def(struct ehea_port_res *pr, - struct ehea_q_skb_arr *q_skba, int rq_nr, - int num_wqes, int wqe_type, int packet_size) -{ - struct net_device *dev = pr->port->netdev; - struct ehea_qp *qp = pr->qp; - struct sk_buff **skb_arr = q_skba->arr; - struct ehea_rwqe *rwqe; - int i, index, max_index_mask, fill_wqes; - int adder = 0; - int ret = 0; - - fill_wqes = q_skba->os_skbs + num_wqes; - q_skba->os_skbs = 0; - - if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) { - q_skba->os_skbs = fill_wqes; - return ret; - } - - index = q_skba->index; - max_index_mask = q_skba->len - 1; - for (i = 0; i < fill_wqes; i++) { - u64 tmp_addr; - struct sk_buff *skb; - - skb = netdev_alloc_skb_ip_align(dev, packet_size); - if (!skb) { - q_skba->os_skbs = fill_wqes - i; - if (q_skba->os_skbs == q_skba->len - 2) { - netdev_info(pr->port->netdev, - "rq%i ran dry - no mem for skb\n", - rq_nr); - ret = -ENOMEM; - } - break; - } - - skb_arr[index] = skb; - tmp_addr = ehea_map_vaddr(skb->data); - if (tmp_addr == -1) { - dev_kfree_skb(skb); - q_skba->os_skbs = fill_wqes - i; - ret = 0; - break; - } - - rwqe = ehea_get_next_rwqe(qp, rq_nr); - rwqe->wr_id = EHEA_BMASK_SET(EHEA_WR_ID_TYPE, wqe_type) - | EHEA_BMASK_SET(EHEA_WR_ID_INDEX, index); - rwqe->sg_list[0].l_key = pr->recv_mr.lkey; - rwqe->sg_list[0].vaddr = tmp_addr; - rwqe->sg_list[0].len = packet_size; - rwqe->data_segments = 1; - - index++; - index &= max_index_mask; - adder++; - } - - q_skba->index = index; - if (adder == 0) - goto out; - - /* Ring doorbell */ - iosync(); - if (rq_nr == 2) - ehea_update_rq2a(pr->qp, adder); - else - ehea_update_rq3a(pr->qp, adder); -out: - return ret; -} - - -static int ehea_refill_rq2(struct ehea_port_res *pr, int nr_of_wqes) -{ - return ehea_refill_rq_def(pr, &pr->rq2_skba, 2, - nr_of_wqes, EHEA_RWQE2_TYPE, - EHEA_RQ2_PKT_SIZE); -} - - -static int ehea_refill_rq3(struct ehea_port_res *pr, int nr_of_wqes) -{ - return ehea_refill_rq_def(pr, &pr->rq3_skba, 3, - nr_of_wqes, EHEA_RWQE3_TYPE, - EHEA_MAX_PACKET_SIZE); -} - -static inline int ehea_check_cqe(struct ehea_cqe *cqe, int *rq_num) -{ - *rq_num = (cqe->type & EHEA_CQE_TYPE_RQ) >> 5; - if ((cqe->status & EHEA_CQE_STAT_ERR_MASK) == 0) - return 0; - if (((cqe->status & EHEA_CQE_STAT_ERR_TCP) != 0) && - (cqe->header_length == 0)) - return 0; - return -EINVAL; -} - -static inline void ehea_fill_skb(struct net_device *dev, - struct sk_buff *skb, struct ehea_cqe *cqe, - struct ehea_port_res *pr) -{ - int length = cqe->num_bytes_transfered - 4; /*remove CRC */ - - skb_put(skb, length); - skb->protocol = eth_type_trans(skb, dev); - - /* The packet was not an IPV4 packet so a complemented checksum was - calculated. The value is found in the Internet Checksum field. */ - if (cqe->status & EHEA_CQE_BLIND_CKSUM) { - skb->ip_summed = CHECKSUM_COMPLETE; - skb->csum = csum_unfold(~cqe->inet_checksum_value); - } else - skb->ip_summed = CHECKSUM_UNNECESSARY; - - skb_record_rx_queue(skb, pr - &pr->port->port_res[0]); -} - -static inline struct sk_buff *get_skb_by_index(struct sk_buff **skb_array, - int arr_len, - struct ehea_cqe *cqe) -{ - int skb_index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, cqe->wr_id); - struct sk_buff *skb; - void *pref; - int x; - - x = skb_index + 1; - x &= (arr_len - 1); - - pref = skb_array[x]; - if (pref) { - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); - - pref = (skb_array[x]->data); - prefetch(pref); - prefetch(pref + EHEA_CACHE_LINE); - prefetch(pref + EHEA_CACHE_LINE * 2); - prefetch(pref + EHEA_CACHE_LINE * 3); - } - - skb = skb_array[skb_index]; - skb_array[skb_index] = NULL; - return skb; -} - -static inline struct sk_buff *get_skb_by_index_ll(struct sk_buff **skb_array, - int arr_len, int wqe_index) -{ - struct sk_buff *skb; - void *pref; - int x; - - x = wqe_index + 1; - x &= (arr_len - 1); - - pref = skb_array[x]; - if (pref) { - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); - - pref = (skb_array[x]->data); - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); - } - - skb = skb_array[wqe_index]; - skb_array[wqe_index] = NULL; - return skb; -} - -static int ehea_treat_poll_error(struct ehea_port_res *pr, int rq, - struct ehea_cqe *cqe, int *processed_rq2, - int *processed_rq3) -{ - struct sk_buff *skb; - - if (cqe->status & EHEA_CQE_STAT_ERR_TCP) - pr->p_stats.err_tcp_cksum++; - if (cqe->status & EHEA_CQE_STAT_ERR_IP) - pr->p_stats.err_ip_cksum++; - if (cqe->status & EHEA_CQE_STAT_ERR_CRC) - pr->p_stats.err_frame_crc++; - - if (rq == 2) { - *processed_rq2 += 1; - skb = get_skb_by_index(pr->rq2_skba.arr, pr->rq2_skba.len, cqe); - dev_kfree_skb(skb); - } else if (rq == 3) { - *processed_rq3 += 1; - skb = get_skb_by_index(pr->rq3_skba.arr, pr->rq3_skba.len, cqe); - dev_kfree_skb(skb); - } - - if (cqe->status & EHEA_CQE_STAT_FAT_ERR_MASK) { - if (netif_msg_rx_err(pr->port)) { - pr_err("Critical receive error for QP %d. Resetting port.\n", - pr->qp->init_attr.qp_nr); - ehea_dump(cqe, sizeof(*cqe), "CQE"); - } - ehea_schedule_port_reset(pr->port); - return 1; - } - - return 0; -} - -static int ehea_proc_rwqes(struct net_device *dev, - struct ehea_port_res *pr, - int budget) -{ - struct ehea_port *port = pr->port; - struct ehea_qp *qp = pr->qp; - struct ehea_cqe *cqe; - struct sk_buff *skb; - struct sk_buff **skb_arr_rq1 = pr->rq1_skba.arr; - struct sk_buff **skb_arr_rq2 = pr->rq2_skba.arr; - struct sk_buff **skb_arr_rq3 = pr->rq3_skba.arr; - int skb_arr_rq1_len = pr->rq1_skba.len; - int skb_arr_rq2_len = pr->rq2_skba.len; - int skb_arr_rq3_len = pr->rq3_skba.len; - int processed, processed_rq1, processed_rq2, processed_rq3; - u64 processed_bytes = 0; - int wqe_index, last_wqe_index, rq, port_reset; - - processed = processed_rq1 = processed_rq2 = processed_rq3 = 0; - last_wqe_index = 0; - - cqe = ehea_poll_rq1(qp, &wqe_index); - while ((processed < budget) && cqe) { - ehea_inc_rq1(qp); - processed_rq1++; - processed++; - if (netif_msg_rx_status(port)) - ehea_dump(cqe, sizeof(*cqe), "CQE"); - - last_wqe_index = wqe_index; - rmb(); - if (!ehea_check_cqe(cqe, &rq)) { - if (rq == 1) { - /* LL RQ1 */ - skb = get_skb_by_index_ll(skb_arr_rq1, - skb_arr_rq1_len, - wqe_index); - if (unlikely(!skb)) { - netif_info(port, rx_err, dev, - "LL rq1: skb=NULL\n"); - - skb = netdev_alloc_skb(dev, - EHEA_L_PKT_SIZE); - if (!skb) { - netdev_err(dev, "Not enough memory to allocate skb\n"); - break; - } - } - skb_copy_to_linear_data(skb, ((char *)cqe) + 64, - cqe->num_bytes_transfered - 4); - ehea_fill_skb(dev, skb, cqe, pr); - } else if (rq == 2) { - /* RQ2 */ - skb = get_skb_by_index(skb_arr_rq2, - skb_arr_rq2_len, cqe); - if (unlikely(!skb)) { - netif_err(port, rx_err, dev, - "rq2: skb=NULL\n"); - break; - } - ehea_fill_skb(dev, skb, cqe, pr); - processed_rq2++; - } else { - /* RQ3 */ - skb = get_skb_by_index(skb_arr_rq3, - skb_arr_rq3_len, cqe); - if (unlikely(!skb)) { - netif_err(port, rx_err, dev, - "rq3: skb=NULL\n"); - break; - } - ehea_fill_skb(dev, skb, cqe, pr); - processed_rq3++; - } - - processed_bytes += skb->len; - - if (cqe->status & EHEA_CQE_VLAN_TAG_XTRACT) - __vlan_hwaccel_put_tag(skb, cqe->vlan_tag); - - napi_gro_receive(&pr->napi, skb); - } else { - pr->p_stats.poll_receive_errors++; - port_reset = ehea_treat_poll_error(pr, rq, cqe, - &processed_rq2, - &processed_rq3); - if (port_reset) - break; - } - cqe = ehea_poll_rq1(qp, &wqe_index); - } - - pr->rx_packets += processed; - pr->rx_bytes += processed_bytes; - - ehea_refill_rq1(pr, last_wqe_index, processed_rq1); - ehea_refill_rq2(pr, processed_rq2); - ehea_refill_rq3(pr, processed_rq3); - - return processed; -} - -#define SWQE_RESTART_CHECK 0xdeadbeaff00d0000ull - -static void reset_sq_restart_flag(struct ehea_port *port) -{ - int i; - - for (i = 0; i < port->num_def_qps; i++) { - struct ehea_port_res *pr = &port->port_res[i]; - pr->sq_restart_flag = 0; - } - wake_up(&port->restart_wq); -} - -static void check_sqs(struct ehea_port *port) -{ - struct ehea_swqe *swqe; - int swqe_index; - int i, k; - - for (i = 0; i < port->num_def_qps; i++) { - struct ehea_port_res *pr = &port->port_res[i]; - int ret; - k = 0; - swqe = ehea_get_swqe(pr->qp, &swqe_index); - memset(swqe, 0, SWQE_HEADER_SIZE); - atomic_dec(&pr->swqe_avail); - - swqe->tx_control |= EHEA_SWQE_PURGE; - swqe->wr_id = SWQE_RESTART_CHECK; - swqe->tx_control |= EHEA_SWQE_SIGNALLED_COMPLETION; - swqe->tx_control |= EHEA_SWQE_IMM_DATA_PRESENT; - swqe->immediate_data_length = 80; - - ehea_post_swqe(pr->qp, swqe); - - ret = wait_event_timeout(port->restart_wq, - pr->sq_restart_flag == 0, - msecs_to_jiffies(100)); - - if (!ret) { - pr_err("HW/SW queues out of sync\n"); - ehea_schedule_port_reset(pr->port); - return; - } - } -} - - -static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota) -{ - struct sk_buff *skb; - struct ehea_cq *send_cq = pr->send_cq; - struct ehea_cqe *cqe; - int quota = my_quota; - int cqe_counter = 0; - int swqe_av = 0; - int index; - struct netdev_queue *txq = netdev_get_tx_queue(pr->port->netdev, - pr - &pr->port->port_res[0]); - - cqe = ehea_poll_cq(send_cq); - while (cqe && (quota > 0)) { - ehea_inc_cq(send_cq); - - cqe_counter++; - rmb(); - - if (cqe->wr_id == SWQE_RESTART_CHECK) { - pr->sq_restart_flag = 1; - swqe_av++; - break; - } - - if (cqe->status & EHEA_CQE_STAT_ERR_MASK) { - pr_err("Bad send completion status=0x%04X\n", - cqe->status); - - if (netif_msg_tx_err(pr->port)) - ehea_dump(cqe, sizeof(*cqe), "Send CQE"); - - if (cqe->status & EHEA_CQE_STAT_RESET_MASK) { - pr_err("Resetting port\n"); - ehea_schedule_port_reset(pr->port); - break; - } - } - - if (netif_msg_tx_done(pr->port)) - ehea_dump(cqe, sizeof(*cqe), "CQE"); - - if (likely(EHEA_BMASK_GET(EHEA_WR_ID_TYPE, cqe->wr_id) - == EHEA_SWQE2_TYPE)) { - - index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, cqe->wr_id); - skb = pr->sq_skba.arr[index]; - dev_kfree_skb(skb); - pr->sq_skba.arr[index] = NULL; - } - - swqe_av += EHEA_BMASK_GET(EHEA_WR_ID_REFILL, cqe->wr_id); - quota--; - - cqe = ehea_poll_cq(send_cq); - } - - ehea_update_feca(send_cq, cqe_counter); - atomic_add(swqe_av, &pr->swqe_avail); - - if (unlikely(netif_tx_queue_stopped(txq) && - (atomic_read(&pr->swqe_avail) >= pr->swqe_refill_th))) { - __netif_tx_lock(txq, smp_processor_id()); - if (netif_tx_queue_stopped(txq) && - (atomic_read(&pr->swqe_avail) >= pr->swqe_refill_th)) - netif_tx_wake_queue(txq); - __netif_tx_unlock(txq); - } - - wake_up(&pr->port->swqe_avail_wq); - - return cqe; -} - -#define EHEA_POLL_MAX_CQES 65535 - -static int ehea_poll(struct napi_struct *napi, int budget) -{ - struct ehea_port_res *pr = container_of(napi, struct ehea_port_res, - napi); - struct net_device *dev = pr->port->netdev; - struct ehea_cqe *cqe; - struct ehea_cqe *cqe_skb = NULL; - int wqe_index; - int rx = 0; - - cqe_skb = ehea_proc_cqes(pr, EHEA_POLL_MAX_CQES); - rx += ehea_proc_rwqes(dev, pr, budget - rx); - - while (rx != budget) { - napi_complete(napi); - ehea_reset_cq_ep(pr->recv_cq); - ehea_reset_cq_ep(pr->send_cq); - ehea_reset_cq_n1(pr->recv_cq); - ehea_reset_cq_n1(pr->send_cq); - rmb(); - cqe = ehea_poll_rq1(pr->qp, &wqe_index); - cqe_skb = ehea_poll_cq(pr->send_cq); - - if (!cqe && !cqe_skb) - return rx; - - if (!napi_reschedule(napi)) - return rx; - - cqe_skb = ehea_proc_cqes(pr, EHEA_POLL_MAX_CQES); - rx += ehea_proc_rwqes(dev, pr, budget - rx); - } - - return rx; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void ehea_netpoll(struct net_device *dev) -{ - struct ehea_port *port = netdev_priv(dev); - int i; - - for (i = 0; i < port->num_def_qps; i++) - napi_schedule(&port->port_res[i].napi); -} -#endif - -static irqreturn_t ehea_recv_irq_handler(int irq, void *param) -{ - struct ehea_port_res *pr = param; - - napi_schedule(&pr->napi); - - return IRQ_HANDLED; -} - -static irqreturn_t ehea_qp_aff_irq_handler(int irq, void *param) -{ - struct ehea_port *port = param; - struct ehea_eqe *eqe; - struct ehea_qp *qp; - u32 qp_token; - u64 resource_type, aer, aerr; - int reset_port = 0; - - eqe = ehea_poll_eq(port->qp_eq); - - while (eqe) { - qp_token = EHEA_BMASK_GET(EHEA_EQE_QP_TOKEN, eqe->entry); - pr_err("QP aff_err: entry=0x%llx, token=0x%x\n", - eqe->entry, qp_token); - - qp = port->port_res[qp_token].qp; - - resource_type = ehea_error_data(port->adapter, qp->fw_handle, - &aer, &aerr); - - if (resource_type == EHEA_AER_RESTYPE_QP) { - if ((aer & EHEA_AER_RESET_MASK) || - (aerr & EHEA_AERR_RESET_MASK)) - reset_port = 1; - } else - reset_port = 1; /* Reset in case of CQ or EQ error */ - - eqe = ehea_poll_eq(port->qp_eq); - } - - if (reset_port) { - pr_err("Resetting port\n"); - ehea_schedule_port_reset(port); - } - - return IRQ_HANDLED; -} - -static struct ehea_port *ehea_get_port(struct ehea_adapter *adapter, - int logical_port) -{ - int i; - - for (i = 0; i < EHEA_MAX_PORTS; i++) - if (adapter->port[i]) - if (adapter->port[i]->logical_port_id == logical_port) - return adapter->port[i]; - return NULL; -} - -int ehea_sense_port_attr(struct ehea_port *port) -{ - int ret; - u64 hret; - struct hcp_ehea_port_cb0 *cb0; - - /* may be called via ehea_neq_tasklet() */ - cb0 = (void *)get_zeroed_page(GFP_ATOMIC); - if (!cb0) { - pr_err("no mem for cb0\n"); - ret = -ENOMEM; - goto out; - } - - hret = ehea_h_query_ehea_port(port->adapter->handle, - port->logical_port_id, H_PORT_CB0, - EHEA_BMASK_SET(H_PORT_CB0_ALL, 0xFFFF), - cb0); - if (hret != H_SUCCESS) { - ret = -EIO; - goto out_free; - } - - /* MAC address */ - port->mac_addr = cb0->port_mac_addr << 16; - - if (!is_valid_ether_addr((u8 *)&port->mac_addr)) { - ret = -EADDRNOTAVAIL; - goto out_free; - } - - /* Port speed */ - switch (cb0->port_speed) { - case H_SPEED_10M_H: - port->port_speed = EHEA_SPEED_10M; - port->full_duplex = 0; - break; - case H_SPEED_10M_F: - port->port_speed = EHEA_SPEED_10M; - port->full_duplex = 1; - break; - case H_SPEED_100M_H: - port->port_speed = EHEA_SPEED_100M; - port->full_duplex = 0; - break; - case H_SPEED_100M_F: - port->port_speed = EHEA_SPEED_100M; - port->full_duplex = 1; - break; - case H_SPEED_1G_F: - port->port_speed = EHEA_SPEED_1G; - port->full_duplex = 1; - break; - case H_SPEED_10G_F: - port->port_speed = EHEA_SPEED_10G; - port->full_duplex = 1; - break; - default: - port->port_speed = 0; - port->full_duplex = 0; - break; - } - - port->autoneg = 1; - port->num_mcs = cb0->num_default_qps; - - /* Number of default QPs */ - if (use_mcs) - port->num_def_qps = cb0->num_default_qps; - else - port->num_def_qps = 1; - - if (!port->num_def_qps) { - ret = -EINVAL; - goto out_free; - } - - ret = 0; -out_free: - if (ret || netif_msg_probe(port)) - ehea_dump(cb0, sizeof(*cb0), "ehea_sense_port_attr"); - free_page((unsigned long)cb0); -out: - return ret; -} - -int ehea_set_portspeed(struct ehea_port *port, u32 port_speed) -{ - struct hcp_ehea_port_cb4 *cb4; - u64 hret; - int ret = 0; - - cb4 = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb4) { - pr_err("no mem for cb4\n"); - ret = -ENOMEM; - goto out; - } - - cb4->port_speed = port_speed; - - netif_carrier_off(port->netdev); - - hret = ehea_h_modify_ehea_port(port->adapter->handle, - port->logical_port_id, - H_PORT_CB4, H_PORT_CB4_SPEED, cb4); - if (hret == H_SUCCESS) { - port->autoneg = port_speed == EHEA_SPEED_AUTONEG ? 1 : 0; - - hret = ehea_h_query_ehea_port(port->adapter->handle, - port->logical_port_id, - H_PORT_CB4, H_PORT_CB4_SPEED, - cb4); - if (hret == H_SUCCESS) { - switch (cb4->port_speed) { - case H_SPEED_10M_H: - port->port_speed = EHEA_SPEED_10M; - port->full_duplex = 0; - break; - case H_SPEED_10M_F: - port->port_speed = EHEA_SPEED_10M; - port->full_duplex = 1; - break; - case H_SPEED_100M_H: - port->port_speed = EHEA_SPEED_100M; - port->full_duplex = 0; - break; - case H_SPEED_100M_F: - port->port_speed = EHEA_SPEED_100M; - port->full_duplex = 1; - break; - case H_SPEED_1G_F: - port->port_speed = EHEA_SPEED_1G; - port->full_duplex = 1; - break; - case H_SPEED_10G_F: - port->port_speed = EHEA_SPEED_10G; - port->full_duplex = 1; - break; - default: - port->port_speed = 0; - port->full_duplex = 0; - break; - } - } else { - pr_err("Failed sensing port speed\n"); - ret = -EIO; - } - } else { - if (hret == H_AUTHORITY) { - pr_info("Hypervisor denied setting port speed\n"); - ret = -EPERM; - } else { - ret = -EIO; - pr_err("Failed setting port speed\n"); - } - } - if (!prop_carrier_state || (port->phy_link == EHEA_PHY_LINK_UP)) - netif_carrier_on(port->netdev); - - free_page((unsigned long)cb4); -out: - return ret; -} - -static void ehea_parse_eqe(struct ehea_adapter *adapter, u64 eqe) -{ - int ret; - u8 ec; - u8 portnum; - struct ehea_port *port; - struct net_device *dev; - - ec = EHEA_BMASK_GET(NEQE_EVENT_CODE, eqe); - portnum = EHEA_BMASK_GET(NEQE_PORTNUM, eqe); - port = ehea_get_port(adapter, portnum); - dev = port->netdev; - - switch (ec) { - case EHEA_EC_PORTSTATE_CHG: /* port state change */ - - if (!port) { - netdev_err(dev, "unknown portnum %x\n", portnum); - break; - } - - if (EHEA_BMASK_GET(NEQE_PORT_UP, eqe)) { - if (!netif_carrier_ok(dev)) { - ret = ehea_sense_port_attr(port); - if (ret) { - netdev_err(dev, "failed resensing port attributes\n"); - break; - } - - netif_info(port, link, dev, - "Logical port up: %dMbps %s Duplex\n", - port->port_speed, - port->full_duplex == 1 ? - "Full" : "Half"); - - netif_carrier_on(dev); - netif_wake_queue(dev); - } - } else - if (netif_carrier_ok(dev)) { - netif_info(port, link, dev, - "Logical port down\n"); - netif_carrier_off(dev); - netif_tx_disable(dev); - } - - if (EHEA_BMASK_GET(NEQE_EXTSWITCH_PORT_UP, eqe)) { - port->phy_link = EHEA_PHY_LINK_UP; - netif_info(port, link, dev, - "Physical port up\n"); - if (prop_carrier_state) - netif_carrier_on(dev); - } else { - port->phy_link = EHEA_PHY_LINK_DOWN; - netif_info(port, link, dev, - "Physical port down\n"); - if (prop_carrier_state) - netif_carrier_off(dev); - } - - if (EHEA_BMASK_GET(NEQE_EXTSWITCH_PRIMARY, eqe)) - netdev_info(dev, - "External switch port is primary port\n"); - else - netdev_info(dev, - "External switch port is backup port\n"); - - break; - case EHEA_EC_ADAPTER_MALFUNC: - netdev_err(dev, "Adapter malfunction\n"); - break; - case EHEA_EC_PORT_MALFUNC: - netdev_info(dev, "Port malfunction\n"); - netif_carrier_off(dev); - netif_tx_disable(dev); - break; - default: - netdev_err(dev, "unknown event code %x, eqe=0x%llX\n", ec, eqe); - break; - } -} - -static void ehea_neq_tasklet(unsigned long data) -{ - struct ehea_adapter *adapter = (struct ehea_adapter *)data; - struct ehea_eqe *eqe; - u64 event_mask; - - eqe = ehea_poll_eq(adapter->neq); - pr_debug("eqe=%p\n", eqe); - - while (eqe) { - pr_debug("*eqe=%lx\n", (unsigned long) eqe->entry); - ehea_parse_eqe(adapter, eqe->entry); - eqe = ehea_poll_eq(adapter->neq); - pr_debug("next eqe=%p\n", eqe); - } - - event_mask = EHEA_BMASK_SET(NELR_PORTSTATE_CHG, 1) - | EHEA_BMASK_SET(NELR_ADAPTER_MALFUNC, 1) - | EHEA_BMASK_SET(NELR_PORT_MALFUNC, 1); - - ehea_h_reset_events(adapter->handle, - adapter->neq->fw_handle, event_mask); -} - -static irqreturn_t ehea_interrupt_neq(int irq, void *param) -{ - struct ehea_adapter *adapter = param; - tasklet_hi_schedule(&adapter->neq_tasklet); - return IRQ_HANDLED; -} - - -static int ehea_fill_port_res(struct ehea_port_res *pr) -{ - int ret; - struct ehea_qp_init_attr *init_attr = &pr->qp->init_attr; - - ehea_init_fill_rq1(pr, pr->rq1_skba.len); - - ret = ehea_refill_rq2(pr, init_attr->act_nr_rwqes_rq2 - 1); - - ret |= ehea_refill_rq3(pr, init_attr->act_nr_rwqes_rq3 - 1); - - return ret; -} - -static int ehea_reg_interrupts(struct net_device *dev) -{ - struct ehea_port *port = netdev_priv(dev); - struct ehea_port_res *pr; - int i, ret; - - - snprintf(port->int_aff_name, EHEA_IRQ_NAME_SIZE - 1, "%s-aff", - dev->name); - - ret = ibmebus_request_irq(port->qp_eq->attr.ist1, - ehea_qp_aff_irq_handler, - IRQF_DISABLED, port->int_aff_name, port); - if (ret) { - netdev_err(dev, "failed registering irq for qp_aff_irq_handler:ist=%X\n", - port->qp_eq->attr.ist1); - goto out_free_qpeq; - } - - netif_info(port, ifup, dev, - "irq_handle 0x%X for function qp_aff_irq_handler registered\n", - port->qp_eq->attr.ist1); - - - for (i = 0; i < port->num_def_qps; i++) { - pr = &port->port_res[i]; - snprintf(pr->int_send_name, EHEA_IRQ_NAME_SIZE - 1, - "%s-queue%d", dev->name, i); - ret = ibmebus_request_irq(pr->eq->attr.ist1, - ehea_recv_irq_handler, - IRQF_DISABLED, pr->int_send_name, - pr); - if (ret) { - netdev_err(dev, "failed registering irq for ehea_queue port_res_nr:%d, ist=%X\n", - i, pr->eq->attr.ist1); - goto out_free_req; - } - netif_info(port, ifup, dev, - "irq_handle 0x%X for function ehea_queue_int %d registered\n", - pr->eq->attr.ist1, i); - } -out: - return ret; - - -out_free_req: - while (--i >= 0) { - u32 ist = port->port_res[i].eq->attr.ist1; - ibmebus_free_irq(ist, &port->port_res[i]); - } - -out_free_qpeq: - ibmebus_free_irq(port->qp_eq->attr.ist1, port); - i = port->num_def_qps; - - goto out; - -} - -static void ehea_free_interrupts(struct net_device *dev) -{ - struct ehea_port *port = netdev_priv(dev); - struct ehea_port_res *pr; - int i; - - /* send */ - - for (i = 0; i < port->num_def_qps; i++) { - pr = &port->port_res[i]; - ibmebus_free_irq(pr->eq->attr.ist1, pr); - netif_info(port, intr, dev, - "free send irq for res %d with handle 0x%X\n", - i, pr->eq->attr.ist1); - } - - /* associated events */ - ibmebus_free_irq(port->qp_eq->attr.ist1, port); - netif_info(port, intr, dev, - "associated event interrupt for handle 0x%X freed\n", - port->qp_eq->attr.ist1); -} - -static int ehea_configure_port(struct ehea_port *port) -{ - int ret, i; - u64 hret, mask; - struct hcp_ehea_port_cb0 *cb0; - - ret = -ENOMEM; - cb0 = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb0) - goto out; - - cb0->port_rc = EHEA_BMASK_SET(PXLY_RC_VALID, 1) - | EHEA_BMASK_SET(PXLY_RC_IP_CHKSUM, 1) - | EHEA_BMASK_SET(PXLY_RC_TCP_UDP_CHKSUM, 1) - | EHEA_BMASK_SET(PXLY_RC_VLAN_XTRACT, 1) - | EHEA_BMASK_SET(PXLY_RC_VLAN_TAG_FILTER, - PXLY_RC_VLAN_FILTER) - | EHEA_BMASK_SET(PXLY_RC_JUMBO_FRAME, 1); - - for (i = 0; i < port->num_mcs; i++) - if (use_mcs) - cb0->default_qpn_arr[i] = - port->port_res[i].qp->init_attr.qp_nr; - else - cb0->default_qpn_arr[i] = - port->port_res[0].qp->init_attr.qp_nr; - - if (netif_msg_ifup(port)) - ehea_dump(cb0, sizeof(*cb0), "ehea_configure_port"); - - mask = EHEA_BMASK_SET(H_PORT_CB0_PRC, 1) - | EHEA_BMASK_SET(H_PORT_CB0_DEFQPNARRAY, 1); - - hret = ehea_h_modify_ehea_port(port->adapter->handle, - port->logical_port_id, - H_PORT_CB0, mask, cb0); - ret = -EIO; - if (hret != H_SUCCESS) - goto out_free; - - ret = 0; - -out_free: - free_page((unsigned long)cb0); -out: - return ret; -} - -static int ehea_gen_smrs(struct ehea_port_res *pr) -{ - int ret; - struct ehea_adapter *adapter = pr->port->adapter; - - ret = ehea_gen_smr(adapter, &adapter->mr, &pr->send_mr); - if (ret) - goto out; - - ret = ehea_gen_smr(adapter, &adapter->mr, &pr->recv_mr); - if (ret) - goto out_free; - - return 0; - -out_free: - ehea_rem_mr(&pr->send_mr); -out: - pr_err("Generating SMRS failed\n"); - return -EIO; -} - -static int ehea_rem_smrs(struct ehea_port_res *pr) -{ - if ((ehea_rem_mr(&pr->send_mr)) || - (ehea_rem_mr(&pr->recv_mr))) - return -EIO; - else - return 0; -} - -static int ehea_init_q_skba(struct ehea_q_skb_arr *q_skba, int max_q_entries) -{ - int arr_size = sizeof(void *) * max_q_entries; - - q_skba->arr = vzalloc(arr_size); - if (!q_skba->arr) - return -ENOMEM; - - q_skba->len = max_q_entries; - q_skba->index = 0; - q_skba->os_skbs = 0; - - return 0; -} - -static int ehea_init_port_res(struct ehea_port *port, struct ehea_port_res *pr, - struct port_res_cfg *pr_cfg, int queue_token) -{ - struct ehea_adapter *adapter = port->adapter; - enum ehea_eq_type eq_type = EHEA_EQ; - struct ehea_qp_init_attr *init_attr = NULL; - int ret = -EIO; - u64 tx_bytes, rx_bytes, tx_packets, rx_packets; - - tx_bytes = pr->tx_bytes; - tx_packets = pr->tx_packets; - rx_bytes = pr->rx_bytes; - rx_packets = pr->rx_packets; - - memset(pr, 0, sizeof(struct ehea_port_res)); - - pr->tx_bytes = rx_bytes; - pr->tx_packets = tx_packets; - pr->rx_bytes = rx_bytes; - pr->rx_packets = rx_packets; - - pr->port = port; - - pr->eq = ehea_create_eq(adapter, eq_type, EHEA_MAX_ENTRIES_EQ, 0); - if (!pr->eq) { - pr_err("create_eq failed (eq)\n"); - goto out_free; - } - - pr->recv_cq = ehea_create_cq(adapter, pr_cfg->max_entries_rcq, - pr->eq->fw_handle, - port->logical_port_id); - if (!pr->recv_cq) { - pr_err("create_cq failed (cq_recv)\n"); - goto out_free; - } - - pr->send_cq = ehea_create_cq(adapter, pr_cfg->max_entries_scq, - pr->eq->fw_handle, - port->logical_port_id); - if (!pr->send_cq) { - pr_err("create_cq failed (cq_send)\n"); - goto out_free; - } - - if (netif_msg_ifup(port)) - pr_info("Send CQ: act_nr_cqes=%d, Recv CQ: act_nr_cqes=%d\n", - pr->send_cq->attr.act_nr_of_cqes, - pr->recv_cq->attr.act_nr_of_cqes); - - init_attr = kzalloc(sizeof(*init_attr), GFP_KERNEL); - if (!init_attr) { - ret = -ENOMEM; - pr_err("no mem for ehea_qp_init_attr\n"); - goto out_free; - } - - init_attr->low_lat_rq1 = 1; - init_attr->signalingtype = 1; /* generate CQE if specified in WQE */ - init_attr->rq_count = 3; - init_attr->qp_token = queue_token; - init_attr->max_nr_send_wqes = pr_cfg->max_entries_sq; - init_attr->max_nr_rwqes_rq1 = pr_cfg->max_entries_rq1; - init_attr->max_nr_rwqes_rq2 = pr_cfg->max_entries_rq2; - init_attr->max_nr_rwqes_rq3 = pr_cfg->max_entries_rq3; - init_attr->wqe_size_enc_sq = EHEA_SG_SQ; - init_attr->wqe_size_enc_rq1 = EHEA_SG_RQ1; - init_attr->wqe_size_enc_rq2 = EHEA_SG_RQ2; - init_attr->wqe_size_enc_rq3 = EHEA_SG_RQ3; - init_attr->rq2_threshold = EHEA_RQ2_THRESHOLD; - init_attr->rq3_threshold = EHEA_RQ3_THRESHOLD; - init_attr->port_nr = port->logical_port_id; - init_attr->send_cq_handle = pr->send_cq->fw_handle; - init_attr->recv_cq_handle = pr->recv_cq->fw_handle; - init_attr->aff_eq_handle = port->qp_eq->fw_handle; - - pr->qp = ehea_create_qp(adapter, adapter->pd, init_attr); - if (!pr->qp) { - pr_err("create_qp failed\n"); - ret = -EIO; - goto out_free; - } - - if (netif_msg_ifup(port)) - pr_info("QP: qp_nr=%d\n act_nr_snd_wqe=%d\n nr_rwqe_rq1=%d\n nr_rwqe_rq2=%d\n nr_rwqe_rq3=%d\n", - init_attr->qp_nr, - init_attr->act_nr_send_wqes, - init_attr->act_nr_rwqes_rq1, - init_attr->act_nr_rwqes_rq2, - init_attr->act_nr_rwqes_rq3); - - pr->sq_skba_size = init_attr->act_nr_send_wqes + 1; - - ret = ehea_init_q_skba(&pr->sq_skba, pr->sq_skba_size); - ret |= ehea_init_q_skba(&pr->rq1_skba, init_attr->act_nr_rwqes_rq1 + 1); - ret |= ehea_init_q_skba(&pr->rq2_skba, init_attr->act_nr_rwqes_rq2 + 1); - ret |= ehea_init_q_skba(&pr->rq3_skba, init_attr->act_nr_rwqes_rq3 + 1); - if (ret) - goto out_free; - - pr->swqe_refill_th = init_attr->act_nr_send_wqes / 10; - if (ehea_gen_smrs(pr) != 0) { - ret = -EIO; - goto out_free; - } - - atomic_set(&pr->swqe_avail, init_attr->act_nr_send_wqes - 1); - - kfree(init_attr); - - netif_napi_add(pr->port->netdev, &pr->napi, ehea_poll, 64); - - ret = 0; - goto out; - -out_free: - kfree(init_attr); - vfree(pr->sq_skba.arr); - vfree(pr->rq1_skba.arr); - vfree(pr->rq2_skba.arr); - vfree(pr->rq3_skba.arr); - ehea_destroy_qp(pr->qp); - ehea_destroy_cq(pr->send_cq); - ehea_destroy_cq(pr->recv_cq); - ehea_destroy_eq(pr->eq); -out: - return ret; -} - -static int ehea_clean_portres(struct ehea_port *port, struct ehea_port_res *pr) -{ - int ret, i; - - if (pr->qp) - netif_napi_del(&pr->napi); - - ret = ehea_destroy_qp(pr->qp); - - if (!ret) { - ehea_destroy_cq(pr->send_cq); - ehea_destroy_cq(pr->recv_cq); - ehea_destroy_eq(pr->eq); - - for (i = 0; i < pr->rq1_skba.len; i++) - if (pr->rq1_skba.arr[i]) - dev_kfree_skb(pr->rq1_skba.arr[i]); - - for (i = 0; i < pr->rq2_skba.len; i++) - if (pr->rq2_skba.arr[i]) - dev_kfree_skb(pr->rq2_skba.arr[i]); - - for (i = 0; i < pr->rq3_skba.len; i++) - if (pr->rq3_skba.arr[i]) - dev_kfree_skb(pr->rq3_skba.arr[i]); - - for (i = 0; i < pr->sq_skba.len; i++) - if (pr->sq_skba.arr[i]) - dev_kfree_skb(pr->sq_skba.arr[i]); - - vfree(pr->rq1_skba.arr); - vfree(pr->rq2_skba.arr); - vfree(pr->rq3_skba.arr); - vfree(pr->sq_skba.arr); - ret = ehea_rem_smrs(pr); - } - return ret; -} - -static void write_swqe2_immediate(struct sk_buff *skb, struct ehea_swqe *swqe, - u32 lkey) -{ - int skb_data_size = skb_headlen(skb); - u8 *imm_data = &swqe->u.immdata_desc.immediate_data[0]; - struct ehea_vsgentry *sg1entry = &swqe->u.immdata_desc.sg_entry; - unsigned int immediate_len = SWQE2_MAX_IMM; - - swqe->descriptors = 0; - - if (skb_is_gso(skb)) { - swqe->tx_control |= EHEA_SWQE_TSO; - swqe->mss = skb_shinfo(skb)->gso_size; - /* - * For TSO packets we only copy the headers into the - * immediate area. - */ - immediate_len = ETH_HLEN + ip_hdrlen(skb) + tcp_hdrlen(skb); - } - - if (skb_is_gso(skb) || skb_data_size >= SWQE2_MAX_IMM) { - skb_copy_from_linear_data(skb, imm_data, immediate_len); - swqe->immediate_data_length = immediate_len; - - if (skb_data_size > immediate_len) { - sg1entry->l_key = lkey; - sg1entry->len = skb_data_size - immediate_len; - sg1entry->vaddr = - ehea_map_vaddr(skb->data + immediate_len); - swqe->descriptors++; - } - } else { - skb_copy_from_linear_data(skb, imm_data, skb_data_size); - swqe->immediate_data_length = skb_data_size; - } -} - -static inline void write_swqe2_data(struct sk_buff *skb, struct net_device *dev, - struct ehea_swqe *swqe, u32 lkey) -{ - struct ehea_vsgentry *sg_list, *sg1entry, *sgentry; - skb_frag_t *frag; - int nfrags, sg1entry_contains_frag_data, i; - - nfrags = skb_shinfo(skb)->nr_frags; - sg1entry = &swqe->u.immdata_desc.sg_entry; - sg_list = (struct ehea_vsgentry *)&swqe->u.immdata_desc.sg_list; - sg1entry_contains_frag_data = 0; - - write_swqe2_immediate(skb, swqe, lkey); - - /* write descriptors */ - if (nfrags > 0) { - if (swqe->descriptors == 0) { - /* sg1entry not yet used */ - frag = &skb_shinfo(skb)->frags[0]; - - /* copy sg1entry data */ - sg1entry->l_key = lkey; - sg1entry->len = skb_frag_size(frag); - sg1entry->vaddr = - ehea_map_vaddr(skb_frag_address(frag)); - swqe->descriptors++; - sg1entry_contains_frag_data = 1; - } - - for (i = sg1entry_contains_frag_data; i < nfrags; i++) { - - frag = &skb_shinfo(skb)->frags[i]; - sgentry = &sg_list[i - sg1entry_contains_frag_data]; - - sgentry->l_key = lkey; - sgentry->len = skb_frag_size(frag); - sgentry->vaddr = ehea_map_vaddr(skb_frag_address(frag)); - swqe->descriptors++; - } - } -} - -static int ehea_broadcast_reg_helper(struct ehea_port *port, u32 hcallid) -{ - int ret = 0; - u64 hret; - u8 reg_type; - - /* De/Register untagged packets */ - reg_type = EHEA_BCMC_BROADCAST | EHEA_BCMC_UNTAGGED; - hret = ehea_h_reg_dereg_bcmc(port->adapter->handle, - port->logical_port_id, - reg_type, port->mac_addr, 0, hcallid); - if (hret != H_SUCCESS) { - pr_err("%sregistering bc address failed (tagged)\n", - hcallid == H_REG_BCMC ? "" : "de"); - ret = -EIO; - goto out_herr; - } - - /* De/Register VLAN packets */ - reg_type = EHEA_BCMC_BROADCAST | EHEA_BCMC_VLANID_ALL; - hret = ehea_h_reg_dereg_bcmc(port->adapter->handle, - port->logical_port_id, - reg_type, port->mac_addr, 0, hcallid); - if (hret != H_SUCCESS) { - pr_err("%sregistering bc address failed (vlan)\n", - hcallid == H_REG_BCMC ? "" : "de"); - ret = -EIO; - } -out_herr: - return ret; -} - -static int ehea_set_mac_addr(struct net_device *dev, void *sa) -{ - struct ehea_port *port = netdev_priv(dev); - struct sockaddr *mac_addr = sa; - struct hcp_ehea_port_cb0 *cb0; - int ret; - u64 hret; - - if (!is_valid_ether_addr(mac_addr->sa_data)) { - ret = -EADDRNOTAVAIL; - goto out; - } - - cb0 = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb0) { - pr_err("no mem for cb0\n"); - ret = -ENOMEM; - goto out; - } - - memcpy(&(cb0->port_mac_addr), &(mac_addr->sa_data[0]), ETH_ALEN); - - cb0->port_mac_addr = cb0->port_mac_addr >> 16; - - hret = ehea_h_modify_ehea_port(port->adapter->handle, - port->logical_port_id, H_PORT_CB0, - EHEA_BMASK_SET(H_PORT_CB0_MAC, 1), cb0); - if (hret != H_SUCCESS) { - ret = -EIO; - goto out_free; - } - - memcpy(dev->dev_addr, mac_addr->sa_data, dev->addr_len); - - /* Deregister old MAC in pHYP */ - if (port->state == EHEA_PORT_UP) { - ret = ehea_broadcast_reg_helper(port, H_DEREG_BCMC); - if (ret) - goto out_upregs; - } - - port->mac_addr = cb0->port_mac_addr << 16; - - /* Register new MAC in pHYP */ - if (port->state == EHEA_PORT_UP) { - ret = ehea_broadcast_reg_helper(port, H_REG_BCMC); - if (ret) - goto out_upregs; - } - - ret = 0; - -out_upregs: - ehea_update_bcmc_registrations(); -out_free: - free_page((unsigned long)cb0); -out: - return ret; -} - -static void ehea_promiscuous_error(u64 hret, int enable) -{ - if (hret == H_AUTHORITY) - pr_info("Hypervisor denied %sabling promiscuous mode\n", - enable == 1 ? "en" : "dis"); - else - pr_err("failed %sabling promiscuous mode\n", - enable == 1 ? "en" : "dis"); -} - -static void ehea_promiscuous(struct net_device *dev, int enable) -{ - struct ehea_port *port = netdev_priv(dev); - struct hcp_ehea_port_cb7 *cb7; - u64 hret; - - if (enable == port->promisc) - return; - - cb7 = (void *)get_zeroed_page(GFP_ATOMIC); - if (!cb7) { - pr_err("no mem for cb7\n"); - goto out; - } - - /* Modify Pxs_DUCQPN in CB7 */ - cb7->def_uc_qpn = enable == 1 ? port->port_res[0].qp->fw_handle : 0; - - hret = ehea_h_modify_ehea_port(port->adapter->handle, - port->logical_port_id, - H_PORT_CB7, H_PORT_CB7_DUCQPN, cb7); - if (hret) { - ehea_promiscuous_error(hret, enable); - goto out; - } - - port->promisc = enable; -out: - free_page((unsigned long)cb7); -} - -static u64 ehea_multicast_reg_helper(struct ehea_port *port, u64 mc_mac_addr, - u32 hcallid) -{ - u64 hret; - u8 reg_type; - - reg_type = EHEA_BCMC_MULTICAST | EHEA_BCMC_UNTAGGED; - if (mc_mac_addr == 0) - reg_type |= EHEA_BCMC_SCOPE_ALL; - - hret = ehea_h_reg_dereg_bcmc(port->adapter->handle, - port->logical_port_id, - reg_type, mc_mac_addr, 0, hcallid); - if (hret) - goto out; - - reg_type = EHEA_BCMC_MULTICAST | EHEA_BCMC_VLANID_ALL; - if (mc_mac_addr == 0) - reg_type |= EHEA_BCMC_SCOPE_ALL; - - hret = ehea_h_reg_dereg_bcmc(port->adapter->handle, - port->logical_port_id, - reg_type, mc_mac_addr, 0, hcallid); -out: - return hret; -} - -static int ehea_drop_multicast_list(struct net_device *dev) -{ - struct ehea_port *port = netdev_priv(dev); - struct ehea_mc_list *mc_entry = port->mc_list; - struct list_head *pos; - struct list_head *temp; - int ret = 0; - u64 hret; - - list_for_each_safe(pos, temp, &(port->mc_list->list)) { - mc_entry = list_entry(pos, struct ehea_mc_list, list); - - hret = ehea_multicast_reg_helper(port, mc_entry->macaddr, - H_DEREG_BCMC); - if (hret) { - pr_err("failed deregistering mcast MAC\n"); - ret = -EIO; - } - - list_del(pos); - kfree(mc_entry); - } - return ret; -} - -static void ehea_allmulti(struct net_device *dev, int enable) -{ - struct ehea_port *port = netdev_priv(dev); - u64 hret; - - if (!port->allmulti) { - if (enable) { - /* Enable ALLMULTI */ - ehea_drop_multicast_list(dev); - hret = ehea_multicast_reg_helper(port, 0, H_REG_BCMC); - if (!hret) - port->allmulti = 1; - else - netdev_err(dev, - "failed enabling IFF_ALLMULTI\n"); - } - } else { - if (!enable) { - /* Disable ALLMULTI */ - hret = ehea_multicast_reg_helper(port, 0, H_DEREG_BCMC); - if (!hret) - port->allmulti = 0; - else - netdev_err(dev, - "failed disabling IFF_ALLMULTI\n"); - } - } -} - -static void ehea_add_multicast_entry(struct ehea_port *port, u8 *mc_mac_addr) -{ - struct ehea_mc_list *ehea_mcl_entry; - u64 hret; - - ehea_mcl_entry = kzalloc(sizeof(*ehea_mcl_entry), GFP_ATOMIC); - if (!ehea_mcl_entry) { - pr_err("no mem for mcl_entry\n"); - return; - } - - INIT_LIST_HEAD(&ehea_mcl_entry->list); - - memcpy(&ehea_mcl_entry->macaddr, mc_mac_addr, ETH_ALEN); - - hret = ehea_multicast_reg_helper(port, ehea_mcl_entry->macaddr, - H_REG_BCMC); - if (!hret) - list_add(&ehea_mcl_entry->list, &port->mc_list->list); - else { - pr_err("failed registering mcast MAC\n"); - kfree(ehea_mcl_entry); - } -} - -static void ehea_set_multicast_list(struct net_device *dev) -{ - struct ehea_port *port = netdev_priv(dev); - struct netdev_hw_addr *ha; - int ret; - - ehea_promiscuous(dev, !!(dev->flags & IFF_PROMISC)); - - if (dev->flags & IFF_ALLMULTI) { - ehea_allmulti(dev, 1); - goto out; - } - ehea_allmulti(dev, 0); - - if (!netdev_mc_empty(dev)) { - ret = ehea_drop_multicast_list(dev); - if (ret) { - /* Dropping the current multicast list failed. - * Enabling ALL_MULTI is the best we can do. - */ - ehea_allmulti(dev, 1); - } - - if (netdev_mc_count(dev) > port->adapter->max_mc_mac) { - pr_info("Mcast registration limit reached (0x%llx). Use ALLMULTI!\n", - port->adapter->max_mc_mac); - goto out; - } - - netdev_for_each_mc_addr(ha, dev) - ehea_add_multicast_entry(port, ha->addr); - - } -out: - ehea_update_bcmc_registrations(); -} - -static int ehea_change_mtu(struct net_device *dev, int new_mtu) -{ - if ((new_mtu < 68) || (new_mtu > EHEA_MAX_PACKET_SIZE)) - return -EINVAL; - dev->mtu = new_mtu; - return 0; -} - -static void xmit_common(struct sk_buff *skb, struct ehea_swqe *swqe) -{ - swqe->tx_control |= EHEA_SWQE_IMM_DATA_PRESENT | EHEA_SWQE_CRC; - - if (skb->protocol != htons(ETH_P_IP)) - return; - - if (skb->ip_summed == CHECKSUM_PARTIAL) - swqe->tx_control |= EHEA_SWQE_IP_CHECKSUM; - - swqe->ip_start = skb_network_offset(skb); - swqe->ip_end = swqe->ip_start + ip_hdrlen(skb) - 1; - - switch (ip_hdr(skb)->protocol) { - case IPPROTO_UDP: - if (skb->ip_summed == CHECKSUM_PARTIAL) - swqe->tx_control |= EHEA_SWQE_TCP_CHECKSUM; - - swqe->tcp_offset = swqe->ip_end + 1 + - offsetof(struct udphdr, check); - break; - - case IPPROTO_TCP: - if (skb->ip_summed == CHECKSUM_PARTIAL) - swqe->tx_control |= EHEA_SWQE_TCP_CHECKSUM; - - swqe->tcp_offset = swqe->ip_end + 1 + - offsetof(struct tcphdr, check); - break; - } -} - -static void ehea_xmit2(struct sk_buff *skb, struct net_device *dev, - struct ehea_swqe *swqe, u32 lkey) -{ - swqe->tx_control |= EHEA_SWQE_DESCRIPTORS_PRESENT; - - xmit_common(skb, swqe); - - write_swqe2_data(skb, dev, swqe, lkey); -} - -static void ehea_xmit3(struct sk_buff *skb, struct net_device *dev, - struct ehea_swqe *swqe) -{ - u8 *imm_data = &swqe->u.immdata_nodesc.immediate_data[0]; - - xmit_common(skb, swqe); - - if (!skb->data_len) - skb_copy_from_linear_data(skb, imm_data, skb->len); - else - skb_copy_bits(skb, 0, imm_data, skb->len); - - swqe->immediate_data_length = skb->len; - dev_kfree_skb(skb); -} - -static int ehea_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct ehea_port *port = netdev_priv(dev); - struct ehea_swqe *swqe; - u32 lkey; - int swqe_index; - struct ehea_port_res *pr; - struct netdev_queue *txq; - - pr = &port->port_res[skb_get_queue_mapping(skb)]; - txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb)); - - swqe = ehea_get_swqe(pr->qp, &swqe_index); - memset(swqe, 0, SWQE_HEADER_SIZE); - atomic_dec(&pr->swqe_avail); - - if (vlan_tx_tag_present(skb)) { - swqe->tx_control |= EHEA_SWQE_VLAN_INSERT; - swqe->vlan_tag = vlan_tx_tag_get(skb); - } - - pr->tx_packets++; - pr->tx_bytes += skb->len; - - if (skb->len <= SWQE3_MAX_IMM) { - u32 sig_iv = port->sig_comp_iv; - u32 swqe_num = pr->swqe_id_counter; - ehea_xmit3(skb, dev, swqe); - swqe->wr_id = EHEA_BMASK_SET(EHEA_WR_ID_TYPE, EHEA_SWQE3_TYPE) - | EHEA_BMASK_SET(EHEA_WR_ID_COUNT, swqe_num); - if (pr->swqe_ll_count >= (sig_iv - 1)) { - swqe->wr_id |= EHEA_BMASK_SET(EHEA_WR_ID_REFILL, - sig_iv); - swqe->tx_control |= EHEA_SWQE_SIGNALLED_COMPLETION; - pr->swqe_ll_count = 0; - } else - pr->swqe_ll_count += 1; - } else { - swqe->wr_id = - EHEA_BMASK_SET(EHEA_WR_ID_TYPE, EHEA_SWQE2_TYPE) - | EHEA_BMASK_SET(EHEA_WR_ID_COUNT, pr->swqe_id_counter) - | EHEA_BMASK_SET(EHEA_WR_ID_REFILL, 1) - | EHEA_BMASK_SET(EHEA_WR_ID_INDEX, pr->sq_skba.index); - pr->sq_skba.arr[pr->sq_skba.index] = skb; - - pr->sq_skba.index++; - pr->sq_skba.index &= (pr->sq_skba.len - 1); - - lkey = pr->send_mr.lkey; - ehea_xmit2(skb, dev, swqe, lkey); - swqe->tx_control |= EHEA_SWQE_SIGNALLED_COMPLETION; - } - pr->swqe_id_counter += 1; - - netif_info(port, tx_queued, dev, - "post swqe on QP %d\n", pr->qp->init_attr.qp_nr); - if (netif_msg_tx_queued(port)) - ehea_dump(swqe, 512, "swqe"); - - if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) { - netif_tx_stop_queue(txq); - swqe->tx_control |= EHEA_SWQE_PURGE; - } - - ehea_post_swqe(pr->qp, swqe); - - if (unlikely(atomic_read(&pr->swqe_avail) <= 1)) { - pr->p_stats.queue_stopped++; - netif_tx_stop_queue(txq); - } - - return NETDEV_TX_OK; -} - -static int ehea_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) -{ - struct ehea_port *port = netdev_priv(dev); - struct ehea_adapter *adapter = port->adapter; - struct hcp_ehea_port_cb1 *cb1; - int index; - u64 hret; - int err = 0; - - cb1 = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb1) { - pr_err("no mem for cb1\n"); - err = -ENOMEM; - goto out; - } - - hret = ehea_h_query_ehea_port(adapter->handle, port->logical_port_id, - H_PORT_CB1, H_PORT_CB1_ALL, cb1); - if (hret != H_SUCCESS) { - pr_err("query_ehea_port failed\n"); - err = -EINVAL; - goto out; - } - - index = (vid / 64); - cb1->vlan_filter[index] |= ((u64)(0x8000000000000000 >> (vid & 0x3F))); - - hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id, - H_PORT_CB1, H_PORT_CB1_ALL, cb1); - if (hret != H_SUCCESS) { - pr_err("modify_ehea_port failed\n"); - err = -EINVAL; - } -out: - free_page((unsigned long)cb1); - return err; -} - -static int ehea_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) -{ - struct ehea_port *port = netdev_priv(dev); - struct ehea_adapter *adapter = port->adapter; - struct hcp_ehea_port_cb1 *cb1; - int index; - u64 hret; - int err = 0; - - cb1 = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb1) { - pr_err("no mem for cb1\n"); - err = -ENOMEM; - goto out; - } - - hret = ehea_h_query_ehea_port(adapter->handle, port->logical_port_id, - H_PORT_CB1, H_PORT_CB1_ALL, cb1); - if (hret != H_SUCCESS) { - pr_err("query_ehea_port failed\n"); - err = -EINVAL; - goto out; - } - - index = (vid / 64); - cb1->vlan_filter[index] &= ~((u64)(0x8000000000000000 >> (vid & 0x3F))); - - hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id, - H_PORT_CB1, H_PORT_CB1_ALL, cb1); - if (hret != H_SUCCESS) { - pr_err("modify_ehea_port failed\n"); - err = -EINVAL; - } -out: - free_page((unsigned long)cb1); - return err; -} - -static int ehea_activate_qp(struct ehea_adapter *adapter, struct ehea_qp *qp) -{ - int ret = -EIO; - u64 hret; - u16 dummy16 = 0; - u64 dummy64 = 0; - struct hcp_modify_qp_cb0 *cb0; - - cb0 = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb0) { - ret = -ENOMEM; - goto out; - } - - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0); - if (hret != H_SUCCESS) { - pr_err("query_ehea_qp failed (1)\n"); - goto out; - } - - cb0->qp_ctl_reg = H_QP_CR_STATE_INITIALIZED; - hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, 1), cb0, - &dummy64, &dummy64, &dummy16, &dummy16); - if (hret != H_SUCCESS) { - pr_err("modify_ehea_qp failed (1)\n"); - goto out; - } - - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0); - if (hret != H_SUCCESS) { - pr_err("query_ehea_qp failed (2)\n"); - goto out; - } - - cb0->qp_ctl_reg = H_QP_CR_ENABLED | H_QP_CR_STATE_INITIALIZED; - hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, 1), cb0, - &dummy64, &dummy64, &dummy16, &dummy16); - if (hret != H_SUCCESS) { - pr_err("modify_ehea_qp failed (2)\n"); - goto out; - } - - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0); - if (hret != H_SUCCESS) { - pr_err("query_ehea_qp failed (3)\n"); - goto out; - } - - cb0->qp_ctl_reg = H_QP_CR_ENABLED | H_QP_CR_STATE_RDY2SND; - hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, 1), cb0, - &dummy64, &dummy64, &dummy16, &dummy16); - if (hret != H_SUCCESS) { - pr_err("modify_ehea_qp failed (3)\n"); - goto out; - } - - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0); - if (hret != H_SUCCESS) { - pr_err("query_ehea_qp failed (4)\n"); - goto out; - } - - ret = 0; -out: - free_page((unsigned long)cb0); - return ret; -} - -static int ehea_port_res_setup(struct ehea_port *port, int def_qps) -{ - int ret, i; - struct port_res_cfg pr_cfg, pr_cfg_small_rx; - enum ehea_eq_type eq_type = EHEA_EQ; - - port->qp_eq = ehea_create_eq(port->adapter, eq_type, - EHEA_MAX_ENTRIES_EQ, 1); - if (!port->qp_eq) { - ret = -EINVAL; - pr_err("ehea_create_eq failed (qp_eq)\n"); - goto out_kill_eq; - } - - pr_cfg.max_entries_rcq = rq1_entries + rq2_entries + rq3_entries; - pr_cfg.max_entries_scq = sq_entries * 2; - pr_cfg.max_entries_sq = sq_entries; - pr_cfg.max_entries_rq1 = rq1_entries; - pr_cfg.max_entries_rq2 = rq2_entries; - pr_cfg.max_entries_rq3 = rq3_entries; - - pr_cfg_small_rx.max_entries_rcq = 1; - pr_cfg_small_rx.max_entries_scq = sq_entries; - pr_cfg_small_rx.max_entries_sq = sq_entries; - pr_cfg_small_rx.max_entries_rq1 = 1; - pr_cfg_small_rx.max_entries_rq2 = 1; - pr_cfg_small_rx.max_entries_rq3 = 1; - - for (i = 0; i < def_qps; i++) { - ret = ehea_init_port_res(port, &port->port_res[i], &pr_cfg, i); - if (ret) - goto out_clean_pr; - } - for (i = def_qps; i < def_qps; i++) { - ret = ehea_init_port_res(port, &port->port_res[i], - &pr_cfg_small_rx, i); - if (ret) - goto out_clean_pr; - } - - return 0; - -out_clean_pr: - while (--i >= 0) - ehea_clean_portres(port, &port->port_res[i]); - -out_kill_eq: - ehea_destroy_eq(port->qp_eq); - return ret; -} - -static int ehea_clean_all_portres(struct ehea_port *port) -{ - int ret = 0; - int i; - - for (i = 0; i < port->num_def_qps; i++) - ret |= ehea_clean_portres(port, &port->port_res[i]); - - ret |= ehea_destroy_eq(port->qp_eq); - - return ret; -} - -static void ehea_remove_adapter_mr(struct ehea_adapter *adapter) -{ - if (adapter->active_ports) - return; - - ehea_rem_mr(&adapter->mr); -} - -static int ehea_add_adapter_mr(struct ehea_adapter *adapter) -{ - if (adapter->active_ports) - return 0; - - return ehea_reg_kernel_mr(adapter, &adapter->mr); -} - -static int ehea_up(struct net_device *dev) -{ - int ret, i; - struct ehea_port *port = netdev_priv(dev); - - if (port->state == EHEA_PORT_UP) - return 0; - - ret = ehea_port_res_setup(port, port->num_def_qps); - if (ret) { - netdev_err(dev, "port_res_failed\n"); - goto out; - } - - /* Set default QP for this port */ - ret = ehea_configure_port(port); - if (ret) { - netdev_err(dev, "ehea_configure_port failed. ret:%d\n", ret); - goto out_clean_pr; - } - - ret = ehea_reg_interrupts(dev); - if (ret) { - netdev_err(dev, "reg_interrupts failed. ret:%d\n", ret); - goto out_clean_pr; - } - - for (i = 0; i < port->num_def_qps; i++) { - ret = ehea_activate_qp(port->adapter, port->port_res[i].qp); - if (ret) { - netdev_err(dev, "activate_qp failed\n"); - goto out_free_irqs; - } - } - - for (i = 0; i < port->num_def_qps; i++) { - ret = ehea_fill_port_res(&port->port_res[i]); - if (ret) { - netdev_err(dev, "out_free_irqs\n"); - goto out_free_irqs; - } - } - - ret = ehea_broadcast_reg_helper(port, H_REG_BCMC); - if (ret) { - ret = -EIO; - goto out_free_irqs; - } - - port->state = EHEA_PORT_UP; - - ret = 0; - goto out; - -out_free_irqs: - ehea_free_interrupts(dev); - -out_clean_pr: - ehea_clean_all_portres(port); -out: - if (ret) - netdev_info(dev, "Failed starting. ret=%i\n", ret); - - ehea_update_bcmc_registrations(); - ehea_update_firmware_handles(); - - return ret; -} - -static void port_napi_disable(struct ehea_port *port) -{ - int i; - - for (i = 0; i < port->num_def_qps; i++) - napi_disable(&port->port_res[i].napi); -} - -static void port_napi_enable(struct ehea_port *port) -{ - int i; - - for (i = 0; i < port->num_def_qps; i++) - napi_enable(&port->port_res[i].napi); -} - -static int ehea_open(struct net_device *dev) -{ - int ret; - struct ehea_port *port = netdev_priv(dev); - - mutex_lock(&port->port_lock); - - netif_info(port, ifup, dev, "enabling port\n"); - - ret = ehea_up(dev); - if (!ret) { - port_napi_enable(port); - netif_tx_start_all_queues(dev); - } - - mutex_unlock(&port->port_lock); - schedule_delayed_work(&port->stats_work, - round_jiffies_relative(msecs_to_jiffies(1000))); - - return ret; -} - -static int ehea_down(struct net_device *dev) -{ - int ret; - struct ehea_port *port = netdev_priv(dev); - - if (port->state == EHEA_PORT_DOWN) - return 0; - - ehea_drop_multicast_list(dev); - ehea_allmulti(dev, 0); - ehea_broadcast_reg_helper(port, H_DEREG_BCMC); - - ehea_free_interrupts(dev); - - port->state = EHEA_PORT_DOWN; - - ehea_update_bcmc_registrations(); - - ret = ehea_clean_all_portres(port); - if (ret) - netdev_info(dev, "Failed freeing resources. ret=%i\n", ret); - - ehea_update_firmware_handles(); - - return ret; -} - -static int ehea_stop(struct net_device *dev) -{ - int ret; - struct ehea_port *port = netdev_priv(dev); - - netif_info(port, ifdown, dev, "disabling port\n"); - - set_bit(__EHEA_DISABLE_PORT_RESET, &port->flags); - cancel_work_sync(&port->reset_task); - cancel_delayed_work_sync(&port->stats_work); - mutex_lock(&port->port_lock); - netif_tx_stop_all_queues(dev); - port_napi_disable(port); - ret = ehea_down(dev); - mutex_unlock(&port->port_lock); - clear_bit(__EHEA_DISABLE_PORT_RESET, &port->flags); - return ret; -} - -static void ehea_purge_sq(struct ehea_qp *orig_qp) -{ - struct ehea_qp qp = *orig_qp; - struct ehea_qp_init_attr *init_attr = &qp.init_attr; - struct ehea_swqe *swqe; - int wqe_index; - int i; - - for (i = 0; i < init_attr->act_nr_send_wqes; i++) { - swqe = ehea_get_swqe(&qp, &wqe_index); - swqe->tx_control |= EHEA_SWQE_PURGE; - } -} - -static void ehea_flush_sq(struct ehea_port *port) -{ - int i; - - for (i = 0; i < port->num_def_qps; i++) { - struct ehea_port_res *pr = &port->port_res[i]; - int swqe_max = pr->sq_skba_size - 2 - pr->swqe_ll_count; - int ret; - - ret = wait_event_timeout(port->swqe_avail_wq, - atomic_read(&pr->swqe_avail) >= swqe_max, - msecs_to_jiffies(100)); - - if (!ret) { - pr_err("WARNING: sq not flushed completely\n"); - break; - } - } -} - -static int ehea_stop_qps(struct net_device *dev) -{ - struct ehea_port *port = netdev_priv(dev); - struct ehea_adapter *adapter = port->adapter; - struct hcp_modify_qp_cb0 *cb0; - int ret = -EIO; - int dret; - int i; - u64 hret; - u64 dummy64 = 0; - u16 dummy16 = 0; - - cb0 = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb0) { - ret = -ENOMEM; - goto out; - } - - for (i = 0; i < (port->num_def_qps); i++) { - struct ehea_port_res *pr = &port->port_res[i]; - struct ehea_qp *qp = pr->qp; - - /* Purge send queue */ - ehea_purge_sq(qp); - - /* Disable queue pair */ - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), - cb0); - if (hret != H_SUCCESS) { - pr_err("query_ehea_qp failed (1)\n"); - goto out; - } - - cb0->qp_ctl_reg = (cb0->qp_ctl_reg & H_QP_CR_RES_STATE) << 8; - cb0->qp_ctl_reg &= ~H_QP_CR_ENABLED; - - hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, - 1), cb0, &dummy64, - &dummy64, &dummy16, &dummy16); - if (hret != H_SUCCESS) { - pr_err("modify_ehea_qp failed (1)\n"); - goto out; - } - - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), - cb0); - if (hret != H_SUCCESS) { - pr_err("query_ehea_qp failed (2)\n"); - goto out; - } - - /* deregister shared memory regions */ - dret = ehea_rem_smrs(pr); - if (dret) { - pr_err("unreg shared memory region failed\n"); - goto out; - } - } - - ret = 0; -out: - free_page((unsigned long)cb0); - - return ret; -} - -static void ehea_update_rqs(struct ehea_qp *orig_qp, struct ehea_port_res *pr) -{ - struct ehea_qp qp = *orig_qp; - struct ehea_qp_init_attr *init_attr = &qp.init_attr; - struct ehea_rwqe *rwqe; - struct sk_buff **skba_rq2 = pr->rq2_skba.arr; - struct sk_buff **skba_rq3 = pr->rq3_skba.arr; - struct sk_buff *skb; - u32 lkey = pr->recv_mr.lkey; - - - int i; - int index; - - for (i = 0; i < init_attr->act_nr_rwqes_rq2 + 1; i++) { - rwqe = ehea_get_next_rwqe(&qp, 2); - rwqe->sg_list[0].l_key = lkey; - index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, rwqe->wr_id); - skb = skba_rq2[index]; - if (skb) - rwqe->sg_list[0].vaddr = ehea_map_vaddr(skb->data); - } - - for (i = 0; i < init_attr->act_nr_rwqes_rq3 + 1; i++) { - rwqe = ehea_get_next_rwqe(&qp, 3); - rwqe->sg_list[0].l_key = lkey; - index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, rwqe->wr_id); - skb = skba_rq3[index]; - if (skb) - rwqe->sg_list[0].vaddr = ehea_map_vaddr(skb->data); - } -} - -static int ehea_restart_qps(struct net_device *dev) -{ - struct ehea_port *port = netdev_priv(dev); - struct ehea_adapter *adapter = port->adapter; - int ret = 0; - int i; - - struct hcp_modify_qp_cb0 *cb0; - u64 hret; - u64 dummy64 = 0; - u16 dummy16 = 0; - - cb0 = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb0) { - ret = -ENOMEM; - goto out; - } - - for (i = 0; i < (port->num_def_qps); i++) { - struct ehea_port_res *pr = &port->port_res[i]; - struct ehea_qp *qp = pr->qp; - - ret = ehea_gen_smrs(pr); - if (ret) { - netdev_err(dev, "creation of shared memory regions failed\n"); - goto out; - } - - ehea_update_rqs(qp, pr); - - /* Enable queue pair */ - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), - cb0); - if (hret != H_SUCCESS) { - netdev_err(dev, "query_ehea_qp failed (1)\n"); - goto out; - } - - cb0->qp_ctl_reg = (cb0->qp_ctl_reg & H_QP_CR_RES_STATE) << 8; - cb0->qp_ctl_reg |= H_QP_CR_ENABLED; - - hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, - 1), cb0, &dummy64, - &dummy64, &dummy16, &dummy16); - if (hret != H_SUCCESS) { - netdev_err(dev, "modify_ehea_qp failed (1)\n"); - goto out; - } - - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), - cb0); - if (hret != H_SUCCESS) { - netdev_err(dev, "query_ehea_qp failed (2)\n"); - goto out; - } - - /* refill entire queue */ - ehea_refill_rq1(pr, pr->rq1_skba.index, 0); - ehea_refill_rq2(pr, 0); - ehea_refill_rq3(pr, 0); - } -out: - free_page((unsigned long)cb0); - - return ret; -} - -static void ehea_reset_port(struct work_struct *work) -{ - int ret; - struct ehea_port *port = - container_of(work, struct ehea_port, reset_task); - struct net_device *dev = port->netdev; - - mutex_lock(&dlpar_mem_lock); - port->resets++; - mutex_lock(&port->port_lock); - netif_tx_disable(dev); - - port_napi_disable(port); - - ehea_down(dev); - - ret = ehea_up(dev); - if (ret) - goto out; - - ehea_set_multicast_list(dev); - - netif_info(port, timer, dev, "reset successful\n"); - - port_napi_enable(port); - - netif_tx_wake_all_queues(dev); -out: - mutex_unlock(&port->port_lock); - mutex_unlock(&dlpar_mem_lock); -} - -static void ehea_rereg_mrs(void) -{ - int ret, i; - struct ehea_adapter *adapter; - - pr_info("LPAR memory changed - re-initializing driver\n"); - - list_for_each_entry(adapter, &adapter_list, list) - if (adapter->active_ports) { - /* Shutdown all ports */ - for (i = 0; i < EHEA_MAX_PORTS; i++) { - struct ehea_port *port = adapter->port[i]; - struct net_device *dev; - - if (!port) - continue; - - dev = port->netdev; - - if (dev->flags & IFF_UP) { - mutex_lock(&port->port_lock); - netif_tx_disable(dev); - ehea_flush_sq(port); - ret = ehea_stop_qps(dev); - if (ret) { - mutex_unlock(&port->port_lock); - goto out; - } - port_napi_disable(port); - mutex_unlock(&port->port_lock); - } - reset_sq_restart_flag(port); - } - - /* Unregister old memory region */ - ret = ehea_rem_mr(&adapter->mr); - if (ret) { - pr_err("unregister MR failed - driver inoperable!\n"); - goto out; - } - } - - clear_bit(__EHEA_STOP_XFER, &ehea_driver_flags); - - list_for_each_entry(adapter, &adapter_list, list) - if (adapter->active_ports) { - /* Register new memory region */ - ret = ehea_reg_kernel_mr(adapter, &adapter->mr); - if (ret) { - pr_err("register MR failed - driver inoperable!\n"); - goto out; - } - - /* Restart all ports */ - for (i = 0; i < EHEA_MAX_PORTS; i++) { - struct ehea_port *port = adapter->port[i]; - - if (port) { - struct net_device *dev = port->netdev; - - if (dev->flags & IFF_UP) { - mutex_lock(&port->port_lock); - ret = ehea_restart_qps(dev); - if (!ret) { - check_sqs(port); - port_napi_enable(port); - netif_tx_wake_all_queues(dev); - } else { - netdev_err(dev, "Unable to restart QPS\n"); - } - mutex_unlock(&port->port_lock); - } - } - } - } - pr_info("re-initializing driver complete\n"); -out: - return; -} - -static void ehea_tx_watchdog(struct net_device *dev) -{ - struct ehea_port *port = netdev_priv(dev); - - if (netif_carrier_ok(dev) && - !test_bit(__EHEA_STOP_XFER, &ehea_driver_flags)) - ehea_schedule_port_reset(port); -} - -static int ehea_sense_adapter_attr(struct ehea_adapter *adapter) -{ - struct hcp_query_ehea *cb; - u64 hret; - int ret; - - cb = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb) { - ret = -ENOMEM; - goto out; - } - - hret = ehea_h_query_ehea(adapter->handle, cb); - - if (hret != H_SUCCESS) { - ret = -EIO; - goto out_herr; - } - - adapter->max_mc_mac = cb->max_mc_mac - 1; - ret = 0; - -out_herr: - free_page((unsigned long)cb); -out: - return ret; -} - -static int ehea_get_jumboframe_status(struct ehea_port *port, int *jumbo) -{ - struct hcp_ehea_port_cb4 *cb4; - u64 hret; - int ret = 0; - - *jumbo = 0; - - /* (Try to) enable *jumbo frames */ - cb4 = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb4) { - pr_err("no mem for cb4\n"); - ret = -ENOMEM; - goto out; - } else { - hret = ehea_h_query_ehea_port(port->adapter->handle, - port->logical_port_id, - H_PORT_CB4, - H_PORT_CB4_JUMBO, cb4); - if (hret == H_SUCCESS) { - if (cb4->jumbo_frame) - *jumbo = 1; - else { - cb4->jumbo_frame = 1; - hret = ehea_h_modify_ehea_port(port->adapter-> - handle, - port-> - logical_port_id, - H_PORT_CB4, - H_PORT_CB4_JUMBO, - cb4); - if (hret == H_SUCCESS) - *jumbo = 1; - } - } else - ret = -EINVAL; - - free_page((unsigned long)cb4); - } -out: - return ret; -} - -static ssize_t ehea_show_port_id(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct ehea_port *port = container_of(dev, struct ehea_port, ofdev.dev); - return sprintf(buf, "%d", port->logical_port_id); -} - -static DEVICE_ATTR(log_port_id, S_IRUSR | S_IRGRP | S_IROTH, ehea_show_port_id, - NULL); - -static void __devinit logical_port_release(struct device *dev) -{ - struct ehea_port *port = container_of(dev, struct ehea_port, ofdev.dev); - of_node_put(port->ofdev.dev.of_node); -} - -static struct device *ehea_register_port(struct ehea_port *port, - struct device_node *dn) -{ - int ret; - - port->ofdev.dev.of_node = of_node_get(dn); - port->ofdev.dev.parent = &port->adapter->ofdev->dev; - port->ofdev.dev.bus = &ibmebus_bus_type; - - dev_set_name(&port->ofdev.dev, "port%d", port_name_cnt++); - port->ofdev.dev.release = logical_port_release; - - ret = of_device_register(&port->ofdev); - if (ret) { - pr_err("failed to register device. ret=%d\n", ret); - goto out; - } - - ret = device_create_file(&port->ofdev.dev, &dev_attr_log_port_id); - if (ret) { - pr_err("failed to register attributes, ret=%d\n", ret); - goto out_unreg_of_dev; - } - - return &port->ofdev.dev; - -out_unreg_of_dev: - of_device_unregister(&port->ofdev); -out: - return NULL; -} - -static void ehea_unregister_port(struct ehea_port *port) -{ - device_remove_file(&port->ofdev.dev, &dev_attr_log_port_id); - of_device_unregister(&port->ofdev); -} - -static const struct net_device_ops ehea_netdev_ops = { - .ndo_open = ehea_open, - .ndo_stop = ehea_stop, - .ndo_start_xmit = ehea_start_xmit, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = ehea_netpoll, -#endif - .ndo_get_stats64 = ehea_get_stats64, - .ndo_set_mac_address = ehea_set_mac_addr, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_rx_mode = ehea_set_multicast_list, - .ndo_change_mtu = ehea_change_mtu, - .ndo_vlan_rx_add_vid = ehea_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = ehea_vlan_rx_kill_vid, - .ndo_tx_timeout = ehea_tx_watchdog, -}; - -static struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter, - u32 logical_port_id, - struct device_node *dn) -{ - int ret; - struct net_device *dev; - struct ehea_port *port; - struct device *port_dev; - int jumbo; - - /* allocate memory for the port structures */ - dev = alloc_etherdev_mq(sizeof(struct ehea_port), EHEA_MAX_PORT_RES); - - if (!dev) { - ret = -ENOMEM; - goto out_err; - } - - port = netdev_priv(dev); - - mutex_init(&port->port_lock); - port->state = EHEA_PORT_DOWN; - port->sig_comp_iv = sq_entries / 10; - - port->adapter = adapter; - port->netdev = dev; - port->logical_port_id = logical_port_id; - - port->msg_enable = netif_msg_init(msg_level, EHEA_MSG_DEFAULT); - - port->mc_list = kzalloc(sizeof(struct ehea_mc_list), GFP_KERNEL); - if (!port->mc_list) { - ret = -ENOMEM; - goto out_free_ethdev; - } - - INIT_LIST_HEAD(&port->mc_list->list); - - ret = ehea_sense_port_attr(port); - if (ret) - goto out_free_mc_list; - - netif_set_real_num_rx_queues(dev, port->num_def_qps); - netif_set_real_num_tx_queues(dev, port->num_def_qps); - - port_dev = ehea_register_port(port, dn); - if (!port_dev) - goto out_free_mc_list; - - SET_NETDEV_DEV(dev, port_dev); - - /* initialize net_device structure */ - memcpy(dev->dev_addr, &port->mac_addr, ETH_ALEN); - - dev->netdev_ops = &ehea_netdev_ops; - ehea_set_ethtool_ops(dev); - - dev->hw_features = NETIF_F_SG | NETIF_F_TSO - | NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_TX | NETIF_F_LRO; - dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_TSO - | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_TX - | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER - | NETIF_F_RXCSUM; - dev->vlan_features = NETIF_F_SG | NETIF_F_TSO | NETIF_F_HIGHDMA | - NETIF_F_IP_CSUM; - dev->watchdog_timeo = EHEA_WATCH_DOG_TIMEOUT; - - INIT_WORK(&port->reset_task, ehea_reset_port); - INIT_DELAYED_WORK(&port->stats_work, ehea_update_stats); - - init_waitqueue_head(&port->swqe_avail_wq); - init_waitqueue_head(&port->restart_wq); - - memset(&port->stats, 0, sizeof(struct net_device_stats)); - ret = register_netdev(dev); - if (ret) { - pr_err("register_netdev failed. ret=%d\n", ret); - goto out_unreg_port; - } - - ret = ehea_get_jumboframe_status(port, &jumbo); - if (ret) - netdev_err(dev, "failed determining jumbo frame status\n"); - - netdev_info(dev, "Jumbo frames are %sabled\n", - jumbo == 1 ? "en" : "dis"); - - adapter->active_ports++; - - return port; - -out_unreg_port: - ehea_unregister_port(port); - -out_free_mc_list: - kfree(port->mc_list); - -out_free_ethdev: - free_netdev(dev); - -out_err: - pr_err("setting up logical port with id=%d failed, ret=%d\n", - logical_port_id, ret); - return NULL; -} - -static void ehea_shutdown_single_port(struct ehea_port *port) -{ - struct ehea_adapter *adapter = port->adapter; - - cancel_work_sync(&port->reset_task); - cancel_delayed_work_sync(&port->stats_work); - unregister_netdev(port->netdev); - ehea_unregister_port(port); - kfree(port->mc_list); - free_netdev(port->netdev); - adapter->active_ports--; -} - -static int ehea_setup_ports(struct ehea_adapter *adapter) -{ - struct device_node *lhea_dn; - struct device_node *eth_dn = NULL; - - const u32 *dn_log_port_id; - int i = 0; - - lhea_dn = adapter->ofdev->dev.of_node; - while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) { - - dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no", - NULL); - if (!dn_log_port_id) { - pr_err("bad device node: eth_dn name=%s\n", - eth_dn->full_name); - continue; - } - - if (ehea_add_adapter_mr(adapter)) { - pr_err("creating MR failed\n"); - of_node_put(eth_dn); - return -EIO; - } - - adapter->port[i] = ehea_setup_single_port(adapter, - *dn_log_port_id, - eth_dn); - if (adapter->port[i]) - netdev_info(adapter->port[i]->netdev, - "logical port id #%d\n", *dn_log_port_id); - else - ehea_remove_adapter_mr(adapter); - - i++; - } - return 0; -} - -static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter, - u32 logical_port_id) -{ - struct device_node *lhea_dn; - struct device_node *eth_dn = NULL; - const u32 *dn_log_port_id; - - lhea_dn = adapter->ofdev->dev.of_node; - while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) { - - dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no", - NULL); - if (dn_log_port_id) - if (*dn_log_port_id == logical_port_id) - return eth_dn; - } - - return NULL; -} - -static ssize_t ehea_probe_port(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct ehea_adapter *adapter = dev_get_drvdata(dev); - struct ehea_port *port; - struct device_node *eth_dn = NULL; - int i; - - u32 logical_port_id; - - sscanf(buf, "%d", &logical_port_id); - - port = ehea_get_port(adapter, logical_port_id); - - if (port) { - netdev_info(port->netdev, "adding port with logical port id=%d failed: port already configured\n", - logical_port_id); - return -EINVAL; - } - - eth_dn = ehea_get_eth_dn(adapter, logical_port_id); - - if (!eth_dn) { - pr_info("no logical port with id %d found\n", logical_port_id); - return -EINVAL; - } - - if (ehea_add_adapter_mr(adapter)) { - pr_err("creating MR failed\n"); - return -EIO; - } - - port = ehea_setup_single_port(adapter, logical_port_id, eth_dn); - - of_node_put(eth_dn); - - if (port) { - for (i = 0; i < EHEA_MAX_PORTS; i++) - if (!adapter->port[i]) { - adapter->port[i] = port; - break; - } - - netdev_info(port->netdev, "added: (logical port id=%d)\n", - logical_port_id); - } else { - ehea_remove_adapter_mr(adapter); - return -EIO; - } - - return (ssize_t) count; -} - -static ssize_t ehea_remove_port(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct ehea_adapter *adapter = dev_get_drvdata(dev); - struct ehea_port *port; - int i; - u32 logical_port_id; - - sscanf(buf, "%d", &logical_port_id); - - port = ehea_get_port(adapter, logical_port_id); - - if (port) { - netdev_info(port->netdev, "removed: (logical port id=%d)\n", - logical_port_id); - - ehea_shutdown_single_port(port); - - for (i = 0; i < EHEA_MAX_PORTS; i++) - if (adapter->port[i] == port) { - adapter->port[i] = NULL; - break; - } - } else { - pr_err("removing port with logical port id=%d failed. port not configured.\n", - logical_port_id); - return -EINVAL; - } - - ehea_remove_adapter_mr(adapter); - - return (ssize_t) count; -} - -static DEVICE_ATTR(probe_port, S_IWUSR, NULL, ehea_probe_port); -static DEVICE_ATTR(remove_port, S_IWUSR, NULL, ehea_remove_port); - -static int ehea_create_device_sysfs(struct platform_device *dev) -{ - int ret = device_create_file(&dev->dev, &dev_attr_probe_port); - if (ret) - goto out; - - ret = device_create_file(&dev->dev, &dev_attr_remove_port); -out: - return ret; -} - -static void ehea_remove_device_sysfs(struct platform_device *dev) -{ - device_remove_file(&dev->dev, &dev_attr_probe_port); - device_remove_file(&dev->dev, &dev_attr_remove_port); -} - -static int __devinit ehea_probe_adapter(struct platform_device *dev, - const struct of_device_id *id) -{ - struct ehea_adapter *adapter; - const u64 *adapter_handle; - int ret; - int i; - - if (!dev || !dev->dev.of_node) { - pr_err("Invalid ibmebus device probed\n"); - return -EINVAL; - } - - adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); - if (!adapter) { - ret = -ENOMEM; - dev_err(&dev->dev, "no mem for ehea_adapter\n"); - goto out; - } - - list_add(&adapter->list, &adapter_list); - - adapter->ofdev = dev; - - adapter_handle = of_get_property(dev->dev.of_node, "ibm,hea-handle", - NULL); - if (adapter_handle) - adapter->handle = *adapter_handle; - - if (!adapter->handle) { - dev_err(&dev->dev, "failed getting handle for adapter" - " '%s'\n", dev->dev.of_node->full_name); - ret = -ENODEV; - goto out_free_ad; - } - - adapter->pd = EHEA_PD_ID; - - dev_set_drvdata(&dev->dev, adapter); - - - /* initialize adapter and ports */ - /* get adapter properties */ - ret = ehea_sense_adapter_attr(adapter); - if (ret) { - dev_err(&dev->dev, "sense_adapter_attr failed: %d\n", ret); - goto out_free_ad; - } - - adapter->neq = ehea_create_eq(adapter, - EHEA_NEQ, EHEA_MAX_ENTRIES_EQ, 1); - if (!adapter->neq) { - ret = -EIO; - dev_err(&dev->dev, "NEQ creation failed\n"); - goto out_free_ad; - } - - tasklet_init(&adapter->neq_tasklet, ehea_neq_tasklet, - (unsigned long)adapter); - - ret = ehea_create_device_sysfs(dev); - if (ret) - goto out_kill_eq; - - ret = ehea_setup_ports(adapter); - if (ret) { - dev_err(&dev->dev, "setup_ports failed\n"); - goto out_rem_dev_sysfs; - } - - ret = ibmebus_request_irq(adapter->neq->attr.ist1, - ehea_interrupt_neq, IRQF_DISABLED, - "ehea_neq", adapter); - if (ret) { - dev_err(&dev->dev, "requesting NEQ IRQ failed\n"); - goto out_shutdown_ports; - } - - /* Handle any events that might be pending. */ - tasklet_hi_schedule(&adapter->neq_tasklet); - - ret = 0; - goto out; - -out_shutdown_ports: - for (i = 0; i < EHEA_MAX_PORTS; i++) - if (adapter->port[i]) { - ehea_shutdown_single_port(adapter->port[i]); - adapter->port[i] = NULL; - } - -out_rem_dev_sysfs: - ehea_remove_device_sysfs(dev); - -out_kill_eq: - ehea_destroy_eq(adapter->neq); - -out_free_ad: - list_del(&adapter->list); - kfree(adapter); - -out: - ehea_update_firmware_handles(); - - return ret; -} - -static int __devexit ehea_remove(struct platform_device *dev) -{ - struct ehea_adapter *adapter = dev_get_drvdata(&dev->dev); - int i; - - for (i = 0; i < EHEA_MAX_PORTS; i++) - if (adapter->port[i]) { - ehea_shutdown_single_port(adapter->port[i]); - adapter->port[i] = NULL; - } - - ehea_remove_device_sysfs(dev); - - ibmebus_free_irq(adapter->neq->attr.ist1, adapter); - tasklet_kill(&adapter->neq_tasklet); - - ehea_destroy_eq(adapter->neq); - ehea_remove_adapter_mr(adapter); - list_del(&adapter->list); - kfree(adapter); - - ehea_update_firmware_handles(); - - return 0; -} - -static void ehea_crash_handler(void) -{ - int i; - - if (ehea_fw_handles.arr) - for (i = 0; i < ehea_fw_handles.num_entries; i++) - ehea_h_free_resource(ehea_fw_handles.arr[i].adh, - ehea_fw_handles.arr[i].fwh, - FORCE_FREE); - - if (ehea_bcmc_regs.arr) - for (i = 0; i < ehea_bcmc_regs.num_entries; i++) - ehea_h_reg_dereg_bcmc(ehea_bcmc_regs.arr[i].adh, - ehea_bcmc_regs.arr[i].port_id, - ehea_bcmc_regs.arr[i].reg_type, - ehea_bcmc_regs.arr[i].macaddr, - 0, H_DEREG_BCMC); -} - -static int ehea_mem_notifier(struct notifier_block *nb, - unsigned long action, void *data) -{ - int ret = NOTIFY_BAD; - struct memory_notify *arg = data; - - mutex_lock(&dlpar_mem_lock); - - switch (action) { - case MEM_CANCEL_OFFLINE: - pr_info("memory offlining canceled"); - /* Readd canceled memory block */ - case MEM_ONLINE: - pr_info("memory is going online"); - set_bit(__EHEA_STOP_XFER, &ehea_driver_flags); - if (ehea_add_sect_bmap(arg->start_pfn, arg->nr_pages)) - goto out_unlock; - ehea_rereg_mrs(); - break; - case MEM_GOING_OFFLINE: - pr_info("memory is going offline"); - set_bit(__EHEA_STOP_XFER, &ehea_driver_flags); - if (ehea_rem_sect_bmap(arg->start_pfn, arg->nr_pages)) - goto out_unlock; - ehea_rereg_mrs(); - break; - default: - break; - } - - ehea_update_firmware_handles(); - ret = NOTIFY_OK; - -out_unlock: - mutex_unlock(&dlpar_mem_lock); - return ret; -} - -static struct notifier_block ehea_mem_nb = { - .notifier_call = ehea_mem_notifier, -}; - -static int ehea_reboot_notifier(struct notifier_block *nb, - unsigned long action, void *unused) -{ - if (action == SYS_RESTART) { - pr_info("Reboot: freeing all eHEA resources\n"); - ibmebus_unregister_driver(&ehea_driver); - } - return NOTIFY_DONE; -} - -static struct notifier_block ehea_reboot_nb = { - .notifier_call = ehea_reboot_notifier, -}; - -static int check_module_parm(void) -{ - int ret = 0; - - if ((rq1_entries < EHEA_MIN_ENTRIES_QP) || - (rq1_entries > EHEA_MAX_ENTRIES_RQ1)) { - pr_info("Bad parameter: rq1_entries\n"); - ret = -EINVAL; - } - if ((rq2_entries < EHEA_MIN_ENTRIES_QP) || - (rq2_entries > EHEA_MAX_ENTRIES_RQ2)) { - pr_info("Bad parameter: rq2_entries\n"); - ret = -EINVAL; - } - if ((rq3_entries < EHEA_MIN_ENTRIES_QP) || - (rq3_entries > EHEA_MAX_ENTRIES_RQ3)) { - pr_info("Bad parameter: rq3_entries\n"); - ret = -EINVAL; - } - if ((sq_entries < EHEA_MIN_ENTRIES_QP) || - (sq_entries > EHEA_MAX_ENTRIES_SQ)) { - pr_info("Bad parameter: sq_entries\n"); - ret = -EINVAL; - } - - return ret; -} - -static ssize_t ehea_show_capabilities(struct device_driver *drv, - char *buf) -{ - return sprintf(buf, "%d", EHEA_CAPABILITIES); -} - -static DRIVER_ATTR(capabilities, S_IRUSR | S_IRGRP | S_IROTH, - ehea_show_capabilities, NULL); - -static int __init ehea_module_init(void) -{ - int ret; - - pr_info("IBM eHEA ethernet device driver (Release %s)\n", DRV_VERSION); - - memset(&ehea_fw_handles, 0, sizeof(ehea_fw_handles)); - memset(&ehea_bcmc_regs, 0, sizeof(ehea_bcmc_regs)); - - mutex_init(&ehea_fw_handles.lock); - spin_lock_init(&ehea_bcmc_regs.lock); - - ret = check_module_parm(); - if (ret) - goto out; - - ret = ehea_create_busmap(); - if (ret) - goto out; - - ret = register_reboot_notifier(&ehea_reboot_nb); - if (ret) - pr_info("failed registering reboot notifier\n"); - - ret = register_memory_notifier(&ehea_mem_nb); - if (ret) - pr_info("failed registering memory remove notifier\n"); - - ret = crash_shutdown_register(ehea_crash_handler); - if (ret) - pr_info("failed registering crash handler\n"); - - ret = ibmebus_register_driver(&ehea_driver); - if (ret) { - pr_err("failed registering eHEA device driver on ebus\n"); - goto out2; - } - - ret = driver_create_file(&ehea_driver.driver, - &driver_attr_capabilities); - if (ret) { - pr_err("failed to register capabilities attribute, ret=%d\n", - ret); - goto out3; - } - - return ret; - -out3: - ibmebus_unregister_driver(&ehea_driver); -out2: - unregister_memory_notifier(&ehea_mem_nb); - unregister_reboot_notifier(&ehea_reboot_nb); - crash_shutdown_unregister(ehea_crash_handler); -out: - return ret; -} - -static void __exit ehea_module_exit(void) -{ - int ret; - - driver_remove_file(&ehea_driver.driver, &driver_attr_capabilities); - ibmebus_unregister_driver(&ehea_driver); - unregister_reboot_notifier(&ehea_reboot_nb); - ret = crash_shutdown_unregister(ehea_crash_handler); - if (ret) - pr_info("failed unregistering crash handler\n"); - unregister_memory_notifier(&ehea_mem_nb); - kfree(ehea_fw_handles.arr); - kfree(ehea_bcmc_regs.arr); - ehea_destroy_busmap(); -} - -module_init(ehea_module_init); -module_exit(ehea_module_exit); diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_phyp.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_phyp.c deleted file mode 100644 index 30f90333..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_phyp.c +++ /dev/null @@ -1,626 +0,0 @@ -/* - * linux/drivers/net/ethernet/ibm/ehea/ehea_phyp.c - * - * eHEA ethernet device driver for IBM eServer System p - * - * (C) Copyright IBM Corp. 2006 - * - * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include "ehea_phyp.h" - - -static inline u16 get_order_of_qentries(u16 queue_entries) -{ - u8 ld = 1; /* logarithmus dualis */ - while (((1U << ld) - 1) < queue_entries) - ld++; - return ld - 1; -} - -/* Defines for H_CALL H_ALLOC_RESOURCE */ -#define H_ALL_RES_TYPE_QP 1 -#define H_ALL_RES_TYPE_CQ 2 -#define H_ALL_RES_TYPE_EQ 3 -#define H_ALL_RES_TYPE_MR 5 -#define H_ALL_RES_TYPE_MW 6 - -static long ehea_plpar_hcall_norets(unsigned long opcode, - unsigned long arg1, - unsigned long arg2, - unsigned long arg3, - unsigned long arg4, - unsigned long arg5, - unsigned long arg6, - unsigned long arg7) -{ - long ret; - int i, sleep_msecs; - - for (i = 0; i < 5; i++) { - ret = plpar_hcall_norets(opcode, arg1, arg2, arg3, arg4, - arg5, arg6, arg7); - - if (H_IS_LONG_BUSY(ret)) { - sleep_msecs = get_longbusy_msecs(ret); - msleep_interruptible(sleep_msecs); - continue; - } - - if (ret < H_SUCCESS) - pr_err("opcode=%lx ret=%lx" - " arg1=%lx arg2=%lx arg3=%lx arg4=%lx" - " arg5=%lx arg6=%lx arg7=%lx\n", - opcode, ret, - arg1, arg2, arg3, arg4, arg5, arg6, arg7); - - return ret; - } - - return H_BUSY; -} - -static long ehea_plpar_hcall9(unsigned long opcode, - unsigned long *outs, /* array of 9 outputs */ - unsigned long arg1, - unsigned long arg2, - unsigned long arg3, - unsigned long arg4, - unsigned long arg5, - unsigned long arg6, - unsigned long arg7, - unsigned long arg8, - unsigned long arg9) -{ - long ret; - int i, sleep_msecs; - u8 cb_cat; - - for (i = 0; i < 5; i++) { - ret = plpar_hcall9(opcode, outs, - arg1, arg2, arg3, arg4, arg5, - arg6, arg7, arg8, arg9); - - if (H_IS_LONG_BUSY(ret)) { - sleep_msecs = get_longbusy_msecs(ret); - msleep_interruptible(sleep_msecs); - continue; - } - - cb_cat = EHEA_BMASK_GET(H_MEHEAPORT_CAT, arg2); - - if ((ret < H_SUCCESS) && !(((ret == H_AUTHORITY) - && (opcode == H_MODIFY_HEA_PORT)) - && (((cb_cat == H_PORT_CB4) && ((arg3 == H_PORT_CB4_JUMBO) - || (arg3 == H_PORT_CB4_SPEED))) || ((cb_cat == H_PORT_CB7) - && (arg3 == H_PORT_CB7_DUCQPN))))) - pr_err("opcode=%lx ret=%lx" - " arg1=%lx arg2=%lx arg3=%lx arg4=%lx" - " arg5=%lx arg6=%lx arg7=%lx arg8=%lx" - " arg9=%lx" - " out1=%lx out2=%lx out3=%lx out4=%lx" - " out5=%lx out6=%lx out7=%lx out8=%lx" - " out9=%lx\n", - opcode, ret, - arg1, arg2, arg3, arg4, arg5, - arg6, arg7, arg8, arg9, - outs[0], outs[1], outs[2], outs[3], outs[4], - outs[5], outs[6], outs[7], outs[8]); - return ret; - } - - return H_BUSY; -} - -u64 ehea_h_query_ehea_qp(const u64 adapter_handle, const u8 qp_category, - const u64 qp_handle, const u64 sel_mask, void *cb_addr) -{ - return ehea_plpar_hcall_norets(H_QUERY_HEA_QP, - adapter_handle, /* R4 */ - qp_category, /* R5 */ - qp_handle, /* R6 */ - sel_mask, /* R7 */ - virt_to_abs(cb_addr), /* R8 */ - 0, 0); -} - -/* input param R5 */ -#define H_ALL_RES_QP_EQPO EHEA_BMASK_IBM(9, 11) -#define H_ALL_RES_QP_QPP EHEA_BMASK_IBM(12, 12) -#define H_ALL_RES_QP_RQR EHEA_BMASK_IBM(13, 15) -#define H_ALL_RES_QP_EQEG EHEA_BMASK_IBM(16, 16) -#define H_ALL_RES_QP_LL_QP EHEA_BMASK_IBM(17, 17) -#define H_ALL_RES_QP_DMA128 EHEA_BMASK_IBM(19, 19) -#define H_ALL_RES_QP_HSM EHEA_BMASK_IBM(20, 21) -#define H_ALL_RES_QP_SIGT EHEA_BMASK_IBM(22, 23) -#define H_ALL_RES_QP_TENURE EHEA_BMASK_IBM(48, 55) -#define H_ALL_RES_QP_RES_TYP EHEA_BMASK_IBM(56, 63) - -/* input param R9 */ -#define H_ALL_RES_QP_TOKEN EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_PD EHEA_BMASK_IBM(32, 63) - -/* input param R10 */ -#define H_ALL_RES_QP_MAX_SWQE EHEA_BMASK_IBM(4, 7) -#define H_ALL_RES_QP_MAX_R1WQE EHEA_BMASK_IBM(12, 15) -#define H_ALL_RES_QP_MAX_R2WQE EHEA_BMASK_IBM(20, 23) -#define H_ALL_RES_QP_MAX_R3WQE EHEA_BMASK_IBM(28, 31) -/* Max Send Scatter Gather Elements */ -#define H_ALL_RES_QP_MAX_SSGE EHEA_BMASK_IBM(37, 39) -#define H_ALL_RES_QP_MAX_R1SGE EHEA_BMASK_IBM(45, 47) -/* Max Receive SG Elements RQ1 */ -#define H_ALL_RES_QP_MAX_R2SGE EHEA_BMASK_IBM(53, 55) -#define H_ALL_RES_QP_MAX_R3SGE EHEA_BMASK_IBM(61, 63) - -/* input param R11 */ -#define H_ALL_RES_QP_SWQE_IDL EHEA_BMASK_IBM(0, 7) -/* max swqe immediate data length */ -#define H_ALL_RES_QP_PORT_NUM EHEA_BMASK_IBM(48, 63) - -/* input param R12 */ -#define H_ALL_RES_QP_TH_RQ2 EHEA_BMASK_IBM(0, 15) -/* Threshold RQ2 */ -#define H_ALL_RES_QP_TH_RQ3 EHEA_BMASK_IBM(16, 31) -/* Threshold RQ3 */ - -/* output param R6 */ -#define H_ALL_RES_QP_ACT_SWQE EHEA_BMASK_IBM(0, 15) -#define H_ALL_RES_QP_ACT_R1WQE EHEA_BMASK_IBM(16, 31) -#define H_ALL_RES_QP_ACT_R2WQE EHEA_BMASK_IBM(32, 47) -#define H_ALL_RES_QP_ACT_R3WQE EHEA_BMASK_IBM(48, 63) - -/* output param, R7 */ -#define H_ALL_RES_QP_ACT_SSGE EHEA_BMASK_IBM(0, 7) -#define H_ALL_RES_QP_ACT_R1SGE EHEA_BMASK_IBM(8, 15) -#define H_ALL_RES_QP_ACT_R2SGE EHEA_BMASK_IBM(16, 23) -#define H_ALL_RES_QP_ACT_R3SGE EHEA_BMASK_IBM(24, 31) -#define H_ALL_RES_QP_ACT_SWQE_IDL EHEA_BMASK_IBM(32, 39) - -/* output param R8,R9 */ -#define H_ALL_RES_QP_SIZE_SQ EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_SIZE_RQ1 EHEA_BMASK_IBM(32, 63) -#define H_ALL_RES_QP_SIZE_RQ2 EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_SIZE_RQ3 EHEA_BMASK_IBM(32, 63) - -/* output param R11,R12 */ -#define H_ALL_RES_QP_LIOBN_SQ EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_LIOBN_RQ1 EHEA_BMASK_IBM(32, 63) -#define H_ALL_RES_QP_LIOBN_RQ2 EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_LIOBN_RQ3 EHEA_BMASK_IBM(32, 63) - -u64 ehea_h_alloc_resource_qp(const u64 adapter_handle, - struct ehea_qp_init_attr *init_attr, const u32 pd, - u64 *qp_handle, struct h_epas *h_epas) -{ - u64 hret; - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; - - u64 allocate_controls = - EHEA_BMASK_SET(H_ALL_RES_QP_EQPO, init_attr->low_lat_rq1 ? 1 : 0) - | EHEA_BMASK_SET(H_ALL_RES_QP_QPP, 0) - | EHEA_BMASK_SET(H_ALL_RES_QP_RQR, 6) /* rq1 & rq2 & rq3 */ - | EHEA_BMASK_SET(H_ALL_RES_QP_EQEG, 0) /* EQE gen. disabled */ - | EHEA_BMASK_SET(H_ALL_RES_QP_LL_QP, init_attr->low_lat_rq1) - | EHEA_BMASK_SET(H_ALL_RES_QP_DMA128, 0) - | EHEA_BMASK_SET(H_ALL_RES_QP_HSM, 0) - | EHEA_BMASK_SET(H_ALL_RES_QP_SIGT, init_attr->signalingtype) - | EHEA_BMASK_SET(H_ALL_RES_QP_RES_TYP, H_ALL_RES_TYPE_QP); - - u64 r9_reg = EHEA_BMASK_SET(H_ALL_RES_QP_PD, pd) - | EHEA_BMASK_SET(H_ALL_RES_QP_TOKEN, init_attr->qp_token); - - u64 max_r10_reg = - EHEA_BMASK_SET(H_ALL_RES_QP_MAX_SWQE, - get_order_of_qentries(init_attr->max_nr_send_wqes)) - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R1WQE, - get_order_of_qentries(init_attr->max_nr_rwqes_rq1)) - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R2WQE, - get_order_of_qentries(init_attr->max_nr_rwqes_rq2)) - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R3WQE, - get_order_of_qentries(init_attr->max_nr_rwqes_rq3)) - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_SSGE, init_attr->wqe_size_enc_sq) - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R1SGE, - init_attr->wqe_size_enc_rq1) - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R2SGE, - init_attr->wqe_size_enc_rq2) - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R3SGE, - init_attr->wqe_size_enc_rq3); - - u64 r11_in = - EHEA_BMASK_SET(H_ALL_RES_QP_SWQE_IDL, init_attr->swqe_imm_data_len) - | EHEA_BMASK_SET(H_ALL_RES_QP_PORT_NUM, init_attr->port_nr); - u64 threshold = - EHEA_BMASK_SET(H_ALL_RES_QP_TH_RQ2, init_attr->rq2_threshold) - | EHEA_BMASK_SET(H_ALL_RES_QP_TH_RQ3, init_attr->rq3_threshold); - - hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE, - outs, - adapter_handle, /* R4 */ - allocate_controls, /* R5 */ - init_attr->send_cq_handle, /* R6 */ - init_attr->recv_cq_handle, /* R7 */ - init_attr->aff_eq_handle, /* R8 */ - r9_reg, /* R9 */ - max_r10_reg, /* R10 */ - r11_in, /* R11 */ - threshold); /* R12 */ - - *qp_handle = outs[0]; - init_attr->qp_nr = (u32)outs[1]; - - init_attr->act_nr_send_wqes = - (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_SWQE, outs[2]); - init_attr->act_nr_rwqes_rq1 = - (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R1WQE, outs[2]); - init_attr->act_nr_rwqes_rq2 = - (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R2WQE, outs[2]); - init_attr->act_nr_rwqes_rq3 = - (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R3WQE, outs[2]); - - init_attr->act_wqe_size_enc_sq = init_attr->wqe_size_enc_sq; - init_attr->act_wqe_size_enc_rq1 = init_attr->wqe_size_enc_rq1; - init_attr->act_wqe_size_enc_rq2 = init_attr->wqe_size_enc_rq2; - init_attr->act_wqe_size_enc_rq3 = init_attr->wqe_size_enc_rq3; - - init_attr->nr_sq_pages = - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_SQ, outs[4]); - init_attr->nr_rq1_pages = - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ1, outs[4]); - init_attr->nr_rq2_pages = - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ2, outs[5]); - init_attr->nr_rq3_pages = - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ3, outs[5]); - - init_attr->liobn_sq = - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_SQ, outs[7]); - init_attr->liobn_rq1 = - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ1, outs[7]); - init_attr->liobn_rq2 = - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ2, outs[8]); - init_attr->liobn_rq3 = - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ3, outs[8]); - - if (!hret) - hcp_epas_ctor(h_epas, outs[6], outs[6]); - - return hret; -} - -u64 ehea_h_alloc_resource_cq(const u64 adapter_handle, - struct ehea_cq_attr *cq_attr, - u64 *cq_handle, struct h_epas *epas) -{ - u64 hret; - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; - - hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE, - outs, - adapter_handle, /* R4 */ - H_ALL_RES_TYPE_CQ, /* R5 */ - cq_attr->eq_handle, /* R6 */ - cq_attr->cq_token, /* R7 */ - cq_attr->max_nr_of_cqes, /* R8 */ - 0, 0, 0, 0); /* R9-R12 */ - - *cq_handle = outs[0]; - cq_attr->act_nr_of_cqes = outs[3]; - cq_attr->nr_pages = outs[4]; - - if (!hret) - hcp_epas_ctor(epas, outs[5], outs[6]); - - return hret; -} - -/* Defines for H_CALL H_ALLOC_RESOURCE */ -#define H_ALL_RES_TYPE_QP 1 -#define H_ALL_RES_TYPE_CQ 2 -#define H_ALL_RES_TYPE_EQ 3 -#define H_ALL_RES_TYPE_MR 5 -#define H_ALL_RES_TYPE_MW 6 - -/* input param R5 */ -#define H_ALL_RES_EQ_NEQ EHEA_BMASK_IBM(0, 0) -#define H_ALL_RES_EQ_NON_NEQ_ISN EHEA_BMASK_IBM(6, 7) -#define H_ALL_RES_EQ_INH_EQE_GEN EHEA_BMASK_IBM(16, 16) -#define H_ALL_RES_EQ_RES_TYPE EHEA_BMASK_IBM(56, 63) -/* input param R6 */ -#define H_ALL_RES_EQ_MAX_EQE EHEA_BMASK_IBM(32, 63) - -/* output param R6 */ -#define H_ALL_RES_EQ_LIOBN EHEA_BMASK_IBM(32, 63) - -/* output param R7 */ -#define H_ALL_RES_EQ_ACT_EQE EHEA_BMASK_IBM(32, 63) - -/* output param R8 */ -#define H_ALL_RES_EQ_ACT_PS EHEA_BMASK_IBM(32, 63) - -/* output param R9 */ -#define H_ALL_RES_EQ_ACT_EQ_IST_C EHEA_BMASK_IBM(30, 31) -#define H_ALL_RES_EQ_ACT_EQ_IST_1 EHEA_BMASK_IBM(40, 63) - -/* output param R10 */ -#define H_ALL_RES_EQ_ACT_EQ_IST_2 EHEA_BMASK_IBM(40, 63) - -/* output param R11 */ -#define H_ALL_RES_EQ_ACT_EQ_IST_3 EHEA_BMASK_IBM(40, 63) - -/* output param R12 */ -#define H_ALL_RES_EQ_ACT_EQ_IST_4 EHEA_BMASK_IBM(40, 63) - -u64 ehea_h_alloc_resource_eq(const u64 adapter_handle, - struct ehea_eq_attr *eq_attr, u64 *eq_handle) -{ - u64 hret, allocate_controls; - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; - - /* resource type */ - allocate_controls = - EHEA_BMASK_SET(H_ALL_RES_EQ_RES_TYPE, H_ALL_RES_TYPE_EQ) - | EHEA_BMASK_SET(H_ALL_RES_EQ_NEQ, eq_attr->type ? 1 : 0) - | EHEA_BMASK_SET(H_ALL_RES_EQ_INH_EQE_GEN, !eq_attr->eqe_gen) - | EHEA_BMASK_SET(H_ALL_RES_EQ_NON_NEQ_ISN, 1); - - hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE, - outs, - adapter_handle, /* R4 */ - allocate_controls, /* R5 */ - eq_attr->max_nr_of_eqes, /* R6 */ - 0, 0, 0, 0, 0, 0); /* R7-R10 */ - - *eq_handle = outs[0]; - eq_attr->act_nr_of_eqes = outs[3]; - eq_attr->nr_pages = outs[4]; - eq_attr->ist1 = outs[5]; - eq_attr->ist2 = outs[6]; - eq_attr->ist3 = outs[7]; - eq_attr->ist4 = outs[8]; - - return hret; -} - -u64 ehea_h_modify_ehea_qp(const u64 adapter_handle, const u8 cat, - const u64 qp_handle, const u64 sel_mask, - void *cb_addr, u64 *inv_attr_id, u64 *proc_mask, - u16 *out_swr, u16 *out_rwr) -{ - u64 hret; - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; - - hret = ehea_plpar_hcall9(H_MODIFY_HEA_QP, - outs, - adapter_handle, /* R4 */ - (u64) cat, /* R5 */ - qp_handle, /* R6 */ - sel_mask, /* R7 */ - virt_to_abs(cb_addr), /* R8 */ - 0, 0, 0, 0); /* R9-R12 */ - - *inv_attr_id = outs[0]; - *out_swr = outs[3]; - *out_rwr = outs[4]; - *proc_mask = outs[5]; - - return hret; -} - -u64 ehea_h_register_rpage(const u64 adapter_handle, const u8 pagesize, - const u8 queue_type, const u64 resource_handle, - const u64 log_pageaddr, u64 count) -{ - u64 reg_control; - - reg_control = EHEA_BMASK_SET(H_REG_RPAGE_PAGE_SIZE, pagesize) - | EHEA_BMASK_SET(H_REG_RPAGE_QT, queue_type); - - return ehea_plpar_hcall_norets(H_REGISTER_HEA_RPAGES, - adapter_handle, /* R4 */ - reg_control, /* R5 */ - resource_handle, /* R6 */ - log_pageaddr, /* R7 */ - count, /* R8 */ - 0, 0); /* R9-R10 */ -} - -u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle, - const u64 vaddr_in, const u32 access_ctrl, const u32 pd, - struct ehea_mr *mr) -{ - u64 hret; - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; - - hret = ehea_plpar_hcall9(H_REGISTER_SMR, - outs, - adapter_handle , /* R4 */ - orig_mr_handle, /* R5 */ - vaddr_in, /* R6 */ - (((u64)access_ctrl) << 32ULL), /* R7 */ - pd, /* R8 */ - 0, 0, 0, 0); /* R9-R12 */ - - mr->handle = outs[0]; - mr->lkey = (u32)outs[2]; - - return hret; -} - -u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle) -{ - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; - - return ehea_plpar_hcall9(H_DISABLE_AND_GET_HEA, - outs, - adapter_handle, /* R4 */ - H_DISABLE_GET_EHEA_WQE_P, /* R5 */ - qp_handle, /* R6 */ - 0, 0, 0, 0, 0, 0); /* R7-R12 */ -} - -u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, - u64 force_bit) -{ - return ehea_plpar_hcall_norets(H_FREE_RESOURCE, - adapter_handle, /* R4 */ - res_handle, /* R5 */ - force_bit, - 0, 0, 0, 0); /* R7-R10 */ -} - -u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, - const u64 length, const u32 access_ctrl, - const u32 pd, u64 *mr_handle, u32 *lkey) -{ - u64 hret; - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; - - hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE, - outs, - adapter_handle, /* R4 */ - 5, /* R5 */ - vaddr, /* R6 */ - length, /* R7 */ - (((u64) access_ctrl) << 32ULL), /* R8 */ - pd, /* R9 */ - 0, 0, 0); /* R10-R12 */ - - *mr_handle = outs[0]; - *lkey = (u32)outs[2]; - return hret; -} - -u64 ehea_h_register_rpage_mr(const u64 adapter_handle, const u64 mr_handle, - const u8 pagesize, const u8 queue_type, - const u64 log_pageaddr, const u64 count) -{ - if ((count > 1) && (log_pageaddr & ~PAGE_MASK)) { - pr_err("not on pageboundary\n"); - return H_PARAMETER; - } - - return ehea_h_register_rpage(adapter_handle, pagesize, - queue_type, mr_handle, - log_pageaddr, count); -} - -u64 ehea_h_query_ehea(const u64 adapter_handle, void *cb_addr) -{ - u64 hret, cb_logaddr; - - cb_logaddr = virt_to_abs(cb_addr); - - hret = ehea_plpar_hcall_norets(H_QUERY_HEA, - adapter_handle, /* R4 */ - cb_logaddr, /* R5 */ - 0, 0, 0, 0, 0); /* R6-R10 */ -#ifdef DEBUG - ehea_dump(cb_addr, sizeof(struct hcp_query_ehea), "hcp_query_ehea"); -#endif - return hret; -} - -u64 ehea_h_query_ehea_port(const u64 adapter_handle, const u16 port_num, - const u8 cb_cat, const u64 select_mask, - void *cb_addr) -{ - u64 port_info; - u64 cb_logaddr = virt_to_abs(cb_addr); - u64 arr_index = 0; - - port_info = EHEA_BMASK_SET(H_MEHEAPORT_CAT, cb_cat) - | EHEA_BMASK_SET(H_MEHEAPORT_PN, port_num); - - return ehea_plpar_hcall_norets(H_QUERY_HEA_PORT, - adapter_handle, /* R4 */ - port_info, /* R5 */ - select_mask, /* R6 */ - arr_index, /* R7 */ - cb_logaddr, /* R8 */ - 0, 0); /* R9-R10 */ -} - -u64 ehea_h_modify_ehea_port(const u64 adapter_handle, const u16 port_num, - const u8 cb_cat, const u64 select_mask, - void *cb_addr) -{ - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; - u64 port_info; - u64 arr_index = 0; - u64 cb_logaddr = virt_to_abs(cb_addr); - - port_info = EHEA_BMASK_SET(H_MEHEAPORT_CAT, cb_cat) - | EHEA_BMASK_SET(H_MEHEAPORT_PN, port_num); -#ifdef DEBUG - ehea_dump(cb_addr, sizeof(struct hcp_ehea_port_cb0), "Before HCALL"); -#endif - return ehea_plpar_hcall9(H_MODIFY_HEA_PORT, - outs, - adapter_handle, /* R4 */ - port_info, /* R5 */ - select_mask, /* R6 */ - arr_index, /* R7 */ - cb_logaddr, /* R8 */ - 0, 0, 0, 0); /* R9-R12 */ -} - -u64 ehea_h_reg_dereg_bcmc(const u64 adapter_handle, const u16 port_num, - const u8 reg_type, const u64 mc_mac_addr, - const u16 vlan_id, const u32 hcall_id) -{ - u64 r5_port_num, r6_reg_type, r7_mc_mac_addr, r8_vlan_id; - u64 mac_addr = mc_mac_addr >> 16; - - r5_port_num = EHEA_BMASK_SET(H_REGBCMC_PN, port_num); - r6_reg_type = EHEA_BMASK_SET(H_REGBCMC_REGTYPE, reg_type); - r7_mc_mac_addr = EHEA_BMASK_SET(H_REGBCMC_MACADDR, mac_addr); - r8_vlan_id = EHEA_BMASK_SET(H_REGBCMC_VLANID, vlan_id); - - return ehea_plpar_hcall_norets(hcall_id, - adapter_handle, /* R4 */ - r5_port_num, /* R5 */ - r6_reg_type, /* R6 */ - r7_mc_mac_addr, /* R7 */ - r8_vlan_id, /* R8 */ - 0, 0); /* R9-R12 */ -} - -u64 ehea_h_reset_events(const u64 adapter_handle, const u64 neq_handle, - const u64 event_mask) -{ - return ehea_plpar_hcall_norets(H_RESET_EVENTS, - adapter_handle, /* R4 */ - neq_handle, /* R5 */ - event_mask, /* R6 */ - 0, 0, 0, 0); /* R7-R12 */ -} - -u64 ehea_h_error_data(const u64 adapter_handle, const u64 ressource_handle, - void *rblock) -{ - return ehea_plpar_hcall_norets(H_ERROR_DATA, - adapter_handle, /* R4 */ - ressource_handle, /* R5 */ - virt_to_abs(rblock), /* R6 */ - 0, 0, 0, 0); /* R7-R12 */ -} diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_phyp.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_phyp.h deleted file mode 100644 index 8364815c..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_phyp.h +++ /dev/null @@ -1,467 +0,0 @@ -/* - * linux/drivers/net/ethernet/ibm/ehea/ehea_phyp.h - * - * eHEA ethernet device driver for IBM eServer System p - * - * (C) Copyright IBM Corp. 2006 - * - * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __EHEA_PHYP_H__ -#define __EHEA_PHYP_H__ - -#include <linux/delay.h> -#include <asm/hvcall.h> -#include "ehea.h" -#include "ehea_hw.h" - -/* Some abbreviations used here: - * - * hcp_* - structures, variables and functions releated to Hypervisor Calls - */ - -static inline u32 get_longbusy_msecs(int long_busy_ret_code) -{ - switch (long_busy_ret_code) { - case H_LONG_BUSY_ORDER_1_MSEC: - return 1; - case H_LONG_BUSY_ORDER_10_MSEC: - return 10; - case H_LONG_BUSY_ORDER_100_MSEC: - return 100; - case H_LONG_BUSY_ORDER_1_SEC: - return 1000; - case H_LONG_BUSY_ORDER_10_SEC: - return 10000; - case H_LONG_BUSY_ORDER_100_SEC: - return 100000; - default: - return 1; - } -} - -/* Number of pages which can be registered at once by H_REGISTER_HEA_RPAGES */ -#define EHEA_MAX_RPAGE 512 - -/* Notification Event Queue (NEQ) Entry bit masks */ -#define NEQE_EVENT_CODE EHEA_BMASK_IBM(2, 7) -#define NEQE_PORTNUM EHEA_BMASK_IBM(32, 47) -#define NEQE_PORT_UP EHEA_BMASK_IBM(16, 16) -#define NEQE_EXTSWITCH_PORT_UP EHEA_BMASK_IBM(17, 17) -#define NEQE_EXTSWITCH_PRIMARY EHEA_BMASK_IBM(18, 18) -#define NEQE_PLID EHEA_BMASK_IBM(16, 47) - -/* Notification Event Codes */ -#define EHEA_EC_PORTSTATE_CHG 0x30 -#define EHEA_EC_ADAPTER_MALFUNC 0x32 -#define EHEA_EC_PORT_MALFUNC 0x33 - -/* Notification Event Log Register (NELR) bit masks */ -#define NELR_PORT_MALFUNC EHEA_BMASK_IBM(61, 61) -#define NELR_ADAPTER_MALFUNC EHEA_BMASK_IBM(62, 62) -#define NELR_PORTSTATE_CHG EHEA_BMASK_IBM(63, 63) - -static inline void hcp_epas_ctor(struct h_epas *epas, u64 paddr_kernel, - u64 paddr_user) -{ - /* To support 64k pages we must round to 64k page boundary */ - epas->kernel.addr = ioremap((paddr_kernel & PAGE_MASK), PAGE_SIZE) + - (paddr_kernel & ~PAGE_MASK); - epas->user.addr = paddr_user; -} - -static inline void hcp_epas_dtor(struct h_epas *epas) -{ - if (epas->kernel.addr) - iounmap((void __iomem *)((u64)epas->kernel.addr & PAGE_MASK)); - - epas->user.addr = 0; - epas->kernel.addr = 0; -} - -struct hcp_modify_qp_cb0 { - u64 qp_ctl_reg; /* 00 */ - u32 max_swqe; /* 02 */ - u32 max_rwqe; /* 03 */ - u32 port_nb; /* 04 */ - u32 reserved0; /* 05 */ - u64 qp_aer; /* 06 */ - u64 qp_tenure; /* 08 */ -}; - -/* Hcall Query/Modify Queue Pair Control Block 0 Selection Mask Bits */ -#define H_QPCB0_ALL EHEA_BMASK_IBM(0, 5) -#define H_QPCB0_QP_CTL_REG EHEA_BMASK_IBM(0, 0) -#define H_QPCB0_MAX_SWQE EHEA_BMASK_IBM(1, 1) -#define H_QPCB0_MAX_RWQE EHEA_BMASK_IBM(2, 2) -#define H_QPCB0_PORT_NB EHEA_BMASK_IBM(3, 3) -#define H_QPCB0_QP_AER EHEA_BMASK_IBM(4, 4) -#define H_QPCB0_QP_TENURE EHEA_BMASK_IBM(5, 5) - -/* Queue Pair Control Register Status Bits */ -#define H_QP_CR_ENABLED 0x8000000000000000ULL /* QP enabled */ - /* QP States: */ -#define H_QP_CR_STATE_RESET 0x0000010000000000ULL /* Reset */ -#define H_QP_CR_STATE_INITIALIZED 0x0000020000000000ULL /* Initialized */ -#define H_QP_CR_STATE_RDY2RCV 0x0000030000000000ULL /* Ready to recv */ -#define H_QP_CR_STATE_RDY2SND 0x0000050000000000ULL /* Ready to send */ -#define H_QP_CR_STATE_ERROR 0x0000800000000000ULL /* Error */ -#define H_QP_CR_RES_STATE 0x0000007F00000000ULL /* Resultant state */ - -struct hcp_modify_qp_cb1 { - u32 qpn; /* 00 */ - u32 qp_asyn_ev_eq_nb; /* 01 */ - u64 sq_cq_handle; /* 02 */ - u64 rq_cq_handle; /* 04 */ - /* sgel = scatter gather element */ - u32 sgel_nb_sq; /* 06 */ - u32 sgel_nb_rq1; /* 07 */ - u32 sgel_nb_rq2; /* 08 */ - u32 sgel_nb_rq3; /* 09 */ -}; - -/* Hcall Query/Modify Queue Pair Control Block 1 Selection Mask Bits */ -#define H_QPCB1_ALL EHEA_BMASK_IBM(0, 7) -#define H_QPCB1_QPN EHEA_BMASK_IBM(0, 0) -#define H_QPCB1_ASYN_EV_EQ_NB EHEA_BMASK_IBM(1, 1) -#define H_QPCB1_SQ_CQ_HANDLE EHEA_BMASK_IBM(2, 2) -#define H_QPCB1_RQ_CQ_HANDLE EHEA_BMASK_IBM(3, 3) -#define H_QPCB1_SGEL_NB_SQ EHEA_BMASK_IBM(4, 4) -#define H_QPCB1_SGEL_NB_RQ1 EHEA_BMASK_IBM(5, 5) -#define H_QPCB1_SGEL_NB_RQ2 EHEA_BMASK_IBM(6, 6) -#define H_QPCB1_SGEL_NB_RQ3 EHEA_BMASK_IBM(7, 7) - -struct hcp_query_ehea { - u32 cur_num_qps; /* 00 */ - u32 cur_num_cqs; /* 01 */ - u32 cur_num_eqs; /* 02 */ - u32 cur_num_mrs; /* 03 */ - u32 auth_level; /* 04 */ - u32 max_num_qps; /* 05 */ - u32 max_num_cqs; /* 06 */ - u32 max_num_eqs; /* 07 */ - u32 max_num_mrs; /* 08 */ - u32 reserved0; /* 09 */ - u32 int_clock_freq; /* 10 */ - u32 max_num_pds; /* 11 */ - u32 max_num_addr_handles; /* 12 */ - u32 max_num_cqes; /* 13 */ - u32 max_num_wqes; /* 14 */ - u32 max_num_sgel_rq1wqe; /* 15 */ - u32 max_num_sgel_rq2wqe; /* 16 */ - u32 max_num_sgel_rq3wqe; /* 17 */ - u32 mr_page_size; /* 18 */ - u32 reserved1; /* 19 */ - u64 max_mr_size; /* 20 */ - u64 reserved2; /* 22 */ - u32 num_ports; /* 24 */ - u32 reserved3; /* 25 */ - u32 reserved4; /* 26 */ - u32 reserved5; /* 27 */ - u64 max_mc_mac; /* 28 */ - u64 ehea_cap; /* 30 */ - u32 max_isn_per_eq; /* 32 */ - u32 max_num_neq; /* 33 */ - u64 max_num_vlan_ids; /* 34 */ - u32 max_num_port_group; /* 36 */ - u32 max_num_phys_port; /* 37 */ - -}; - -/* Hcall Query/Modify Port Control Block defines */ -#define H_PORT_CB0 0 -#define H_PORT_CB1 1 -#define H_PORT_CB2 2 -#define H_PORT_CB3 3 -#define H_PORT_CB4 4 -#define H_PORT_CB5 5 -#define H_PORT_CB6 6 -#define H_PORT_CB7 7 - -struct hcp_ehea_port_cb0 { - u64 port_mac_addr; - u64 port_rc; - u64 reserved0; - u32 port_op_state; - u32 port_speed; - u32 ext_swport_op_state; - u32 neg_tpf_prpf; - u32 num_default_qps; - u32 reserved1; - u64 default_qpn_arr[16]; -}; - -/* Hcall Query/Modify Port Control Block 0 Selection Mask Bits */ -#define H_PORT_CB0_ALL EHEA_BMASK_IBM(0, 7) /* Set all bits */ -#define H_PORT_CB0_MAC EHEA_BMASK_IBM(0, 0) /* MAC address */ -#define H_PORT_CB0_PRC EHEA_BMASK_IBM(1, 1) /* Port Recv Control */ -#define H_PORT_CB0_DEFQPNARRAY EHEA_BMASK_IBM(7, 7) /* Default QPN Array */ - -/* Hcall Query Port: Returned port speed values */ -#define H_SPEED_10M_H 1 /* 10 Mbps, Half Duplex */ -#define H_SPEED_10M_F 2 /* 10 Mbps, Full Duplex */ -#define H_SPEED_100M_H 3 /* 100 Mbps, Half Duplex */ -#define H_SPEED_100M_F 4 /* 100 Mbps, Full Duplex */ -#define H_SPEED_1G_F 6 /* 1 Gbps, Full Duplex */ -#define H_SPEED_10G_F 8 /* 10 Gbps, Full Duplex */ - -/* Port Receive Control Status Bits */ -#define PXLY_RC_VALID EHEA_BMASK_IBM(49, 49) -#define PXLY_RC_VLAN_XTRACT EHEA_BMASK_IBM(50, 50) -#define PXLY_RC_TCP_6_TUPLE EHEA_BMASK_IBM(51, 51) -#define PXLY_RC_UDP_6_TUPLE EHEA_BMASK_IBM(52, 52) -#define PXLY_RC_TCP_3_TUPLE EHEA_BMASK_IBM(53, 53) -#define PXLY_RC_TCP_2_TUPLE EHEA_BMASK_IBM(54, 54) -#define PXLY_RC_LLC_SNAP EHEA_BMASK_IBM(55, 55) -#define PXLY_RC_JUMBO_FRAME EHEA_BMASK_IBM(56, 56) -#define PXLY_RC_FRAG_IP_PKT EHEA_BMASK_IBM(57, 57) -#define PXLY_RC_TCP_UDP_CHKSUM EHEA_BMASK_IBM(58, 58) -#define PXLY_RC_IP_CHKSUM EHEA_BMASK_IBM(59, 59) -#define PXLY_RC_MAC_FILTER EHEA_BMASK_IBM(60, 60) -#define PXLY_RC_UNTAG_FILTER EHEA_BMASK_IBM(61, 61) -#define PXLY_RC_VLAN_TAG_FILTER EHEA_BMASK_IBM(62, 63) - -#define PXLY_RC_VLAN_FILTER 2 -#define PXLY_RC_VLAN_PERM 0 - - -#define H_PORT_CB1_ALL 0x8000000000000000ULL - -struct hcp_ehea_port_cb1 { - u64 vlan_filter[64]; -}; - -#define H_PORT_CB2_ALL 0xFFE0000000000000ULL - -struct hcp_ehea_port_cb2 { - u64 rxo; - u64 rxucp; - u64 rxufd; - u64 rxuerr; - u64 rxftl; - u64 rxmcp; - u64 rxbcp; - u64 txo; - u64 txucp; - u64 txmcp; - u64 txbcp; -}; - -struct hcp_ehea_port_cb3 { - u64 vlan_bc_filter[64]; - u64 vlan_mc_filter[64]; - u64 vlan_un_filter[64]; - u64 port_mac_hash_array[64]; -}; - -#define H_PORT_CB4_ALL 0xF000000000000000ULL -#define H_PORT_CB4_JUMBO 0x1000000000000000ULL -#define H_PORT_CB4_SPEED 0x8000000000000000ULL - -struct hcp_ehea_port_cb4 { - u32 port_speed; - u32 pause_frame; - u32 ens_port_op_state; - u32 jumbo_frame; - u32 ens_port_wrap; -}; - -/* Hcall Query/Modify Port Control Block 5 Selection Mask Bits */ -#define H_PORT_CB5_RCU 0x0001000000000000ULL -#define PXS_RCU EHEA_BMASK_IBM(61, 63) - -struct hcp_ehea_port_cb5 { - u64 prc; /* 00 */ - u64 uaa; /* 01 */ - u64 macvc; /* 02 */ - u64 xpcsc; /* 03 */ - u64 xpcsp; /* 04 */ - u64 pcsid; /* 05 */ - u64 xpcsst; /* 06 */ - u64 pthlb; /* 07 */ - u64 pthrb; /* 08 */ - u64 pqu; /* 09 */ - u64 pqd; /* 10 */ - u64 prt; /* 11 */ - u64 wsth; /* 12 */ - u64 rcb; /* 13 */ - u64 rcm; /* 14 */ - u64 rcu; /* 15 */ - u64 macc; /* 16 */ - u64 pc; /* 17 */ - u64 pst; /* 18 */ - u64 ducqpn; /* 19 */ - u64 mcqpn; /* 20 */ - u64 mma; /* 21 */ - u64 pmc0h; /* 22 */ - u64 pmc0l; /* 23 */ - u64 lbc; /* 24 */ -}; - -#define H_PORT_CB6_ALL 0xFFFFFE7FFFFF8000ULL - -struct hcp_ehea_port_cb6 { - u64 rxo; /* 00 */ - u64 rx64; /* 01 */ - u64 rx65; /* 02 */ - u64 rx128; /* 03 */ - u64 rx256; /* 04 */ - u64 rx512; /* 05 */ - u64 rx1024; /* 06 */ - u64 rxbfcs; /* 07 */ - u64 rxime; /* 08 */ - u64 rxrle; /* 09 */ - u64 rxorle; /* 10 */ - u64 rxftl; /* 11 */ - u64 rxjab; /* 12 */ - u64 rxse; /* 13 */ - u64 rxce; /* 14 */ - u64 rxrf; /* 15 */ - u64 rxfrag; /* 16 */ - u64 rxuoc; /* 17 */ - u64 rxcpf; /* 18 */ - u64 rxsb; /* 19 */ - u64 rxfd; /* 20 */ - u64 rxoerr; /* 21 */ - u64 rxaln; /* 22 */ - u64 ducqpn; /* 23 */ - u64 reserved0; /* 24 */ - u64 rxmcp; /* 25 */ - u64 rxbcp; /* 26 */ - u64 txmcp; /* 27 */ - u64 txbcp; /* 28 */ - u64 txo; /* 29 */ - u64 tx64; /* 30 */ - u64 tx65; /* 31 */ - u64 tx128; /* 32 */ - u64 tx256; /* 33 */ - u64 tx512; /* 34 */ - u64 tx1024; /* 35 */ - u64 txbfcs; /* 36 */ - u64 txcpf; /* 37 */ - u64 txlf; /* 38 */ - u64 txrf; /* 39 */ - u64 txime; /* 40 */ - u64 txsc; /* 41 */ - u64 txmc; /* 42 */ - u64 txsqe; /* 43 */ - u64 txdef; /* 44 */ - u64 txlcol; /* 45 */ - u64 txexcol; /* 46 */ - u64 txcse; /* 47 */ - u64 txbor; /* 48 */ -}; - -#define H_PORT_CB7_DUCQPN 0x8000000000000000ULL - -struct hcp_ehea_port_cb7 { - u64 def_uc_qpn; -}; - -u64 ehea_h_query_ehea_qp(const u64 adapter_handle, - const u8 qp_category, - const u64 qp_handle, const u64 sel_mask, - void *cb_addr); - -u64 ehea_h_modify_ehea_qp(const u64 adapter_handle, - const u8 cat, - const u64 qp_handle, - const u64 sel_mask, - void *cb_addr, - u64 *inv_attr_id, - u64 *proc_mask, u16 *out_swr, u16 *out_rwr); - -u64 ehea_h_alloc_resource_eq(const u64 adapter_handle, - struct ehea_eq_attr *eq_attr, u64 *eq_handle); - -u64 ehea_h_alloc_resource_cq(const u64 adapter_handle, - struct ehea_cq_attr *cq_attr, - u64 *cq_handle, struct h_epas *epas); - -u64 ehea_h_alloc_resource_qp(const u64 adapter_handle, - struct ehea_qp_init_attr *init_attr, - const u32 pd, - u64 *qp_handle, struct h_epas *h_epas); - -#define H_REG_RPAGE_PAGE_SIZE EHEA_BMASK_IBM(48, 55) -#define H_REG_RPAGE_QT EHEA_BMASK_IBM(62, 63) - -u64 ehea_h_register_rpage(const u64 adapter_handle, - const u8 pagesize, - const u8 queue_type, - const u64 resource_handle, - const u64 log_pageaddr, u64 count); - -#define H_DISABLE_GET_EHEA_WQE_P 1 -#define H_DISABLE_GET_SQ_WQE_P 2 -#define H_DISABLE_GET_RQC 3 - -u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle); - -#define FORCE_FREE 1 -#define NORMAL_FREE 0 - -u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, - u64 force_bit); - -u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, - const u64 length, const u32 access_ctrl, - const u32 pd, u64 *mr_handle, u32 *lkey); - -u64 ehea_h_register_rpage_mr(const u64 adapter_handle, const u64 mr_handle, - const u8 pagesize, const u8 queue_type, - const u64 log_pageaddr, const u64 count); - -u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle, - const u64 vaddr_in, const u32 access_ctrl, const u32 pd, - struct ehea_mr *mr); - -u64 ehea_h_query_ehea(const u64 adapter_handle, void *cb_addr); - -/* output param R5 */ -#define H_MEHEAPORT_CAT EHEA_BMASK_IBM(40, 47) -#define H_MEHEAPORT_PN EHEA_BMASK_IBM(48, 63) - -u64 ehea_h_query_ehea_port(const u64 adapter_handle, const u16 port_num, - const u8 cb_cat, const u64 select_mask, - void *cb_addr); - -u64 ehea_h_modify_ehea_port(const u64 adapter_handle, const u16 port_num, - const u8 cb_cat, const u64 select_mask, - void *cb_addr); - -#define H_REGBCMC_PN EHEA_BMASK_IBM(48, 63) -#define H_REGBCMC_REGTYPE EHEA_BMASK_IBM(60, 63) -#define H_REGBCMC_MACADDR EHEA_BMASK_IBM(16, 63) -#define H_REGBCMC_VLANID EHEA_BMASK_IBM(52, 63) - -u64 ehea_h_reg_dereg_bcmc(const u64 adapter_handle, const u16 port_num, - const u8 reg_type, const u64 mc_mac_addr, - const u16 vlan_id, const u32 hcall_id); - -u64 ehea_h_reset_events(const u64 adapter_handle, const u64 neq_handle, - const u64 event_mask); - -u64 ehea_h_error_data(const u64 adapter_handle, const u64 ressource_handle, - void *rblock); - -#endif /* __EHEA_PHYP_H__ */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_qmr.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_qmr.c deleted file mode 100644 index 4fb47f14..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_qmr.c +++ /dev/null @@ -1,1029 +0,0 @@ -/* - * linux/drivers/net/ethernet/ibm/ehea/ehea_qmr.c - * - * eHEA ethernet device driver for IBM eServer System p - * - * (C) Copyright IBM Corp. 2006 - * - * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/mm.h> -#include <linux/slab.h> -#include "ehea.h" -#include "ehea_phyp.h" -#include "ehea_qmr.h" - -static struct ehea_bmap *ehea_bmap; - -static void *hw_qpageit_get_inc(struct hw_queue *queue) -{ - void *retvalue = hw_qeit_get(queue); - - queue->current_q_offset += queue->pagesize; - if (queue->current_q_offset > queue->queue_length) { - queue->current_q_offset -= queue->pagesize; - retvalue = NULL; - } else if (((u64) retvalue) & (EHEA_PAGESIZE-1)) { - pr_err("not on pageboundary\n"); - retvalue = NULL; - } - return retvalue; -} - -static int hw_queue_ctor(struct hw_queue *queue, const u32 nr_of_pages, - const u32 pagesize, const u32 qe_size) -{ - int pages_per_kpage = PAGE_SIZE / pagesize; - int i, k; - - if ((pagesize > PAGE_SIZE) || (!pages_per_kpage)) { - pr_err("pagesize conflict! kernel pagesize=%d, ehea pagesize=%d\n", - (int)PAGE_SIZE, (int)pagesize); - return -EINVAL; - } - - queue->queue_length = nr_of_pages * pagesize; - queue->queue_pages = kmalloc(nr_of_pages * sizeof(void *), GFP_KERNEL); - if (!queue->queue_pages) { - pr_err("no mem for queue_pages\n"); - return -ENOMEM; - } - - /* - * allocate pages for queue: - * outer loop allocates whole kernel pages (page aligned) and - * inner loop divides a kernel page into smaller hea queue pages - */ - i = 0; - while (i < nr_of_pages) { - u8 *kpage = (u8 *)get_zeroed_page(GFP_KERNEL); - if (!kpage) - goto out_nomem; - for (k = 0; k < pages_per_kpage && i < nr_of_pages; k++) { - (queue->queue_pages)[i] = (struct ehea_page *)kpage; - kpage += pagesize; - i++; - } - } - - queue->current_q_offset = 0; - queue->qe_size = qe_size; - queue->pagesize = pagesize; - queue->toggle_state = 1; - - return 0; -out_nomem: - for (i = 0; i < nr_of_pages; i += pages_per_kpage) { - if (!(queue->queue_pages)[i]) - break; - free_page((unsigned long)(queue->queue_pages)[i]); - } - return -ENOMEM; -} - -static void hw_queue_dtor(struct hw_queue *queue) -{ - int pages_per_kpage = PAGE_SIZE / queue->pagesize; - int i, nr_pages; - - if (!queue || !queue->queue_pages) - return; - - nr_pages = queue->queue_length / queue->pagesize; - - for (i = 0; i < nr_pages; i += pages_per_kpage) - free_page((unsigned long)(queue->queue_pages)[i]); - - kfree(queue->queue_pages); -} - -struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter, - int nr_of_cqe, u64 eq_handle, u32 cq_token) -{ - struct ehea_cq *cq; - struct h_epa epa; - u64 *cq_handle_ref, hret, rpage; - u32 act_nr_of_entries, act_pages, counter; - int ret; - void *vpage; - - cq = kzalloc(sizeof(*cq), GFP_KERNEL); - if (!cq) { - pr_err("no mem for cq\n"); - goto out_nomem; - } - - cq->attr.max_nr_of_cqes = nr_of_cqe; - cq->attr.cq_token = cq_token; - cq->attr.eq_handle = eq_handle; - - cq->adapter = adapter; - - cq_handle_ref = &cq->fw_handle; - act_nr_of_entries = 0; - act_pages = 0; - - hret = ehea_h_alloc_resource_cq(adapter->handle, &cq->attr, - &cq->fw_handle, &cq->epas); - if (hret != H_SUCCESS) { - pr_err("alloc_resource_cq failed\n"); - goto out_freemem; - } - - ret = hw_queue_ctor(&cq->hw_queue, cq->attr.nr_pages, - EHEA_PAGESIZE, sizeof(struct ehea_cqe)); - if (ret) - goto out_freeres; - - for (counter = 0; counter < cq->attr.nr_pages; counter++) { - vpage = hw_qpageit_get_inc(&cq->hw_queue); - if (!vpage) { - pr_err("hw_qpageit_get_inc failed\n"); - goto out_kill_hwq; - } - - rpage = virt_to_abs(vpage); - hret = ehea_h_register_rpage(adapter->handle, - 0, EHEA_CQ_REGISTER_ORIG, - cq->fw_handle, rpage, 1); - if (hret < H_SUCCESS) { - pr_err("register_rpage_cq failed ehea_cq=%p hret=%llx counter=%i act_pages=%i\n", - cq, hret, counter, cq->attr.nr_pages); - goto out_kill_hwq; - } - - if (counter == (cq->attr.nr_pages - 1)) { - vpage = hw_qpageit_get_inc(&cq->hw_queue); - - if ((hret != H_SUCCESS) || (vpage)) { - pr_err("registration of pages not complete hret=%llx\n", - hret); - goto out_kill_hwq; - } - } else { - if (hret != H_PAGE_REGISTERED) { - pr_err("CQ: registration of page failed hret=%llx\n", - hret); - goto out_kill_hwq; - } - } - } - - hw_qeit_reset(&cq->hw_queue); - epa = cq->epas.kernel; - ehea_reset_cq_ep(cq); - ehea_reset_cq_n1(cq); - - return cq; - -out_kill_hwq: - hw_queue_dtor(&cq->hw_queue); - -out_freeres: - ehea_h_free_resource(adapter->handle, cq->fw_handle, FORCE_FREE); - -out_freemem: - kfree(cq); - -out_nomem: - return NULL; -} - -static u64 ehea_destroy_cq_res(struct ehea_cq *cq, u64 force) -{ - u64 hret; - u64 adapter_handle = cq->adapter->handle; - - /* deregister all previous registered pages */ - hret = ehea_h_free_resource(adapter_handle, cq->fw_handle, force); - if (hret != H_SUCCESS) - return hret; - - hw_queue_dtor(&cq->hw_queue); - kfree(cq); - - return hret; -} - -int ehea_destroy_cq(struct ehea_cq *cq) -{ - u64 hret, aer, aerr; - if (!cq) - return 0; - - hcp_epas_dtor(&cq->epas); - hret = ehea_destroy_cq_res(cq, NORMAL_FREE); - if (hret == H_R_STATE) { - ehea_error_data(cq->adapter, cq->fw_handle, &aer, &aerr); - hret = ehea_destroy_cq_res(cq, FORCE_FREE); - } - - if (hret != H_SUCCESS) { - pr_err("destroy CQ failed\n"); - return -EIO; - } - - return 0; -} - -struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter, - const enum ehea_eq_type type, - const u32 max_nr_of_eqes, const u8 eqe_gen) -{ - int ret, i; - u64 hret, rpage; - void *vpage; - struct ehea_eq *eq; - - eq = kzalloc(sizeof(*eq), GFP_KERNEL); - if (!eq) { - pr_err("no mem for eq\n"); - return NULL; - } - - eq->adapter = adapter; - eq->attr.type = type; - eq->attr.max_nr_of_eqes = max_nr_of_eqes; - eq->attr.eqe_gen = eqe_gen; - spin_lock_init(&eq->spinlock); - - hret = ehea_h_alloc_resource_eq(adapter->handle, - &eq->attr, &eq->fw_handle); - if (hret != H_SUCCESS) { - pr_err("alloc_resource_eq failed\n"); - goto out_freemem; - } - - ret = hw_queue_ctor(&eq->hw_queue, eq->attr.nr_pages, - EHEA_PAGESIZE, sizeof(struct ehea_eqe)); - if (ret) { - pr_err("can't allocate eq pages\n"); - goto out_freeres; - } - - for (i = 0; i < eq->attr.nr_pages; i++) { - vpage = hw_qpageit_get_inc(&eq->hw_queue); - if (!vpage) { - pr_err("hw_qpageit_get_inc failed\n"); - hret = H_RESOURCE; - goto out_kill_hwq; - } - - rpage = virt_to_abs(vpage); - - hret = ehea_h_register_rpage(adapter->handle, 0, - EHEA_EQ_REGISTER_ORIG, - eq->fw_handle, rpage, 1); - - if (i == (eq->attr.nr_pages - 1)) { - /* last page */ - vpage = hw_qpageit_get_inc(&eq->hw_queue); - if ((hret != H_SUCCESS) || (vpage)) - goto out_kill_hwq; - - } else { - if (hret != H_PAGE_REGISTERED) - goto out_kill_hwq; - - } - } - - hw_qeit_reset(&eq->hw_queue); - return eq; - -out_kill_hwq: - hw_queue_dtor(&eq->hw_queue); - -out_freeres: - ehea_h_free_resource(adapter->handle, eq->fw_handle, FORCE_FREE); - -out_freemem: - kfree(eq); - return NULL; -} - -struct ehea_eqe *ehea_poll_eq(struct ehea_eq *eq) -{ - struct ehea_eqe *eqe; - unsigned long flags; - - spin_lock_irqsave(&eq->spinlock, flags); - eqe = hw_eqit_eq_get_inc_valid(&eq->hw_queue); - spin_unlock_irqrestore(&eq->spinlock, flags); - - return eqe; -} - -static u64 ehea_destroy_eq_res(struct ehea_eq *eq, u64 force) -{ - u64 hret; - unsigned long flags; - - spin_lock_irqsave(&eq->spinlock, flags); - - hret = ehea_h_free_resource(eq->adapter->handle, eq->fw_handle, force); - spin_unlock_irqrestore(&eq->spinlock, flags); - - if (hret != H_SUCCESS) - return hret; - - hw_queue_dtor(&eq->hw_queue); - kfree(eq); - - return hret; -} - -int ehea_destroy_eq(struct ehea_eq *eq) -{ - u64 hret, aer, aerr; - if (!eq) - return 0; - - hcp_epas_dtor(&eq->epas); - - hret = ehea_destroy_eq_res(eq, NORMAL_FREE); - if (hret == H_R_STATE) { - ehea_error_data(eq->adapter, eq->fw_handle, &aer, &aerr); - hret = ehea_destroy_eq_res(eq, FORCE_FREE); - } - - if (hret != H_SUCCESS) { - pr_err("destroy EQ failed\n"); - return -EIO; - } - - return 0; -} - -/** - * allocates memory for a queue and registers pages in phyp - */ -static int ehea_qp_alloc_register(struct ehea_qp *qp, struct hw_queue *hw_queue, - int nr_pages, int wqe_size, int act_nr_sges, - struct ehea_adapter *adapter, int h_call_q_selector) -{ - u64 hret, rpage; - int ret, cnt; - void *vpage; - - ret = hw_queue_ctor(hw_queue, nr_pages, EHEA_PAGESIZE, wqe_size); - if (ret) - return ret; - - for (cnt = 0; cnt < nr_pages; cnt++) { - vpage = hw_qpageit_get_inc(hw_queue); - if (!vpage) { - pr_err("hw_qpageit_get_inc failed\n"); - goto out_kill_hwq; - } - rpage = virt_to_abs(vpage); - hret = ehea_h_register_rpage(adapter->handle, - 0, h_call_q_selector, - qp->fw_handle, rpage, 1); - if (hret < H_SUCCESS) { - pr_err("register_rpage_qp failed\n"); - goto out_kill_hwq; - } - } - hw_qeit_reset(hw_queue); - return 0; - -out_kill_hwq: - hw_queue_dtor(hw_queue); - return -EIO; -} - -static inline u32 map_wqe_size(u8 wqe_enc_size) -{ - return 128 << wqe_enc_size; -} - -struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter, - u32 pd, struct ehea_qp_init_attr *init_attr) -{ - int ret; - u64 hret; - struct ehea_qp *qp; - u32 wqe_size_in_bytes_sq, wqe_size_in_bytes_rq1; - u32 wqe_size_in_bytes_rq2, wqe_size_in_bytes_rq3; - - - qp = kzalloc(sizeof(*qp), GFP_KERNEL); - if (!qp) { - pr_err("no mem for qp\n"); - return NULL; - } - - qp->adapter = adapter; - - hret = ehea_h_alloc_resource_qp(adapter->handle, init_attr, pd, - &qp->fw_handle, &qp->epas); - if (hret != H_SUCCESS) { - pr_err("ehea_h_alloc_resource_qp failed\n"); - goto out_freemem; - } - - wqe_size_in_bytes_sq = map_wqe_size(init_attr->act_wqe_size_enc_sq); - wqe_size_in_bytes_rq1 = map_wqe_size(init_attr->act_wqe_size_enc_rq1); - wqe_size_in_bytes_rq2 = map_wqe_size(init_attr->act_wqe_size_enc_rq2); - wqe_size_in_bytes_rq3 = map_wqe_size(init_attr->act_wqe_size_enc_rq3); - - ret = ehea_qp_alloc_register(qp, &qp->hw_squeue, init_attr->nr_sq_pages, - wqe_size_in_bytes_sq, - init_attr->act_wqe_size_enc_sq, adapter, - 0); - if (ret) { - pr_err("can't register for sq ret=%x\n", ret); - goto out_freeres; - } - - ret = ehea_qp_alloc_register(qp, &qp->hw_rqueue1, - init_attr->nr_rq1_pages, - wqe_size_in_bytes_rq1, - init_attr->act_wqe_size_enc_rq1, - adapter, 1); - if (ret) { - pr_err("can't register for rq1 ret=%x\n", ret); - goto out_kill_hwsq; - } - - if (init_attr->rq_count > 1) { - ret = ehea_qp_alloc_register(qp, &qp->hw_rqueue2, - init_attr->nr_rq2_pages, - wqe_size_in_bytes_rq2, - init_attr->act_wqe_size_enc_rq2, - adapter, 2); - if (ret) { - pr_err("can't register for rq2 ret=%x\n", ret); - goto out_kill_hwr1q; - } - } - - if (init_attr->rq_count > 2) { - ret = ehea_qp_alloc_register(qp, &qp->hw_rqueue3, - init_attr->nr_rq3_pages, - wqe_size_in_bytes_rq3, - init_attr->act_wqe_size_enc_rq3, - adapter, 3); - if (ret) { - pr_err("can't register for rq3 ret=%x\n", ret); - goto out_kill_hwr2q; - } - } - - qp->init_attr = *init_attr; - - return qp; - -out_kill_hwr2q: - hw_queue_dtor(&qp->hw_rqueue2); - -out_kill_hwr1q: - hw_queue_dtor(&qp->hw_rqueue1); - -out_kill_hwsq: - hw_queue_dtor(&qp->hw_squeue); - -out_freeres: - ehea_h_disable_and_get_hea(adapter->handle, qp->fw_handle); - ehea_h_free_resource(adapter->handle, qp->fw_handle, FORCE_FREE); - -out_freemem: - kfree(qp); - return NULL; -} - -static u64 ehea_destroy_qp_res(struct ehea_qp *qp, u64 force) -{ - u64 hret; - struct ehea_qp_init_attr *qp_attr = &qp->init_attr; - - - ehea_h_disable_and_get_hea(qp->adapter->handle, qp->fw_handle); - hret = ehea_h_free_resource(qp->adapter->handle, qp->fw_handle, force); - if (hret != H_SUCCESS) - return hret; - - hw_queue_dtor(&qp->hw_squeue); - hw_queue_dtor(&qp->hw_rqueue1); - - if (qp_attr->rq_count > 1) - hw_queue_dtor(&qp->hw_rqueue2); - if (qp_attr->rq_count > 2) - hw_queue_dtor(&qp->hw_rqueue3); - kfree(qp); - - return hret; -} - -int ehea_destroy_qp(struct ehea_qp *qp) -{ - u64 hret, aer, aerr; - if (!qp) - return 0; - - hcp_epas_dtor(&qp->epas); - - hret = ehea_destroy_qp_res(qp, NORMAL_FREE); - if (hret == H_R_STATE) { - ehea_error_data(qp->adapter, qp->fw_handle, &aer, &aerr); - hret = ehea_destroy_qp_res(qp, FORCE_FREE); - } - - if (hret != H_SUCCESS) { - pr_err("destroy QP failed\n"); - return -EIO; - } - - return 0; -} - -static inline int ehea_calc_index(unsigned long i, unsigned long s) -{ - return (i >> s) & EHEA_INDEX_MASK; -} - -static inline int ehea_init_top_bmap(struct ehea_top_bmap *ehea_top_bmap, - int dir) -{ - if (!ehea_top_bmap->dir[dir]) { - ehea_top_bmap->dir[dir] = - kzalloc(sizeof(struct ehea_dir_bmap), GFP_KERNEL); - if (!ehea_top_bmap->dir[dir]) - return -ENOMEM; - } - return 0; -} - -static inline int ehea_init_bmap(struct ehea_bmap *ehea_bmap, int top, int dir) -{ - if (!ehea_bmap->top[top]) { - ehea_bmap->top[top] = - kzalloc(sizeof(struct ehea_top_bmap), GFP_KERNEL); - if (!ehea_bmap->top[top]) - return -ENOMEM; - } - return ehea_init_top_bmap(ehea_bmap->top[top], dir); -} - -static DEFINE_MUTEX(ehea_busmap_mutex); -static unsigned long ehea_mr_len; - -#define EHEA_BUSMAP_ADD_SECT 1 -#define EHEA_BUSMAP_REM_SECT 0 - -static void ehea_rebuild_busmap(void) -{ - u64 vaddr = EHEA_BUSMAP_START; - int top, dir, idx; - - for (top = 0; top < EHEA_MAP_ENTRIES; top++) { - struct ehea_top_bmap *ehea_top; - int valid_dir_entries = 0; - - if (!ehea_bmap->top[top]) - continue; - ehea_top = ehea_bmap->top[top]; - for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) { - struct ehea_dir_bmap *ehea_dir; - int valid_entries = 0; - - if (!ehea_top->dir[dir]) - continue; - valid_dir_entries++; - ehea_dir = ehea_top->dir[dir]; - for (idx = 0; idx < EHEA_MAP_ENTRIES; idx++) { - if (!ehea_dir->ent[idx]) - continue; - valid_entries++; - ehea_dir->ent[idx] = vaddr; - vaddr += EHEA_SECTSIZE; - } - if (!valid_entries) { - ehea_top->dir[dir] = NULL; - kfree(ehea_dir); - } - } - if (!valid_dir_entries) { - ehea_bmap->top[top] = NULL; - kfree(ehea_top); - } - } -} - -static int ehea_update_busmap(unsigned long pfn, unsigned long nr_pages, int add) -{ - unsigned long i, start_section, end_section; - - if (!nr_pages) - return 0; - - if (!ehea_bmap) { - ehea_bmap = kzalloc(sizeof(struct ehea_bmap), GFP_KERNEL); - if (!ehea_bmap) - return -ENOMEM; - } - - start_section = (pfn * PAGE_SIZE) / EHEA_SECTSIZE; - end_section = start_section + ((nr_pages * PAGE_SIZE) / EHEA_SECTSIZE); - /* Mark entries as valid or invalid only; address is assigned later */ - for (i = start_section; i < end_section; i++) { - u64 flag; - int top = ehea_calc_index(i, EHEA_TOP_INDEX_SHIFT); - int dir = ehea_calc_index(i, EHEA_DIR_INDEX_SHIFT); - int idx = i & EHEA_INDEX_MASK; - - if (add) { - int ret = ehea_init_bmap(ehea_bmap, top, dir); - if (ret) - return ret; - flag = 1; /* valid */ - ehea_mr_len += EHEA_SECTSIZE; - } else { - if (!ehea_bmap->top[top]) - continue; - if (!ehea_bmap->top[top]->dir[dir]) - continue; - flag = 0; /* invalid */ - ehea_mr_len -= EHEA_SECTSIZE; - } - - ehea_bmap->top[top]->dir[dir]->ent[idx] = flag; - } - ehea_rebuild_busmap(); /* Assign contiguous addresses for mr */ - return 0; -} - -int ehea_add_sect_bmap(unsigned long pfn, unsigned long nr_pages) -{ - int ret; - - mutex_lock(&ehea_busmap_mutex); - ret = ehea_update_busmap(pfn, nr_pages, EHEA_BUSMAP_ADD_SECT); - mutex_unlock(&ehea_busmap_mutex); - return ret; -} - -int ehea_rem_sect_bmap(unsigned long pfn, unsigned long nr_pages) -{ - int ret; - - mutex_lock(&ehea_busmap_mutex); - ret = ehea_update_busmap(pfn, nr_pages, EHEA_BUSMAP_REM_SECT); - mutex_unlock(&ehea_busmap_mutex); - return ret; -} - -static int ehea_is_hugepage(unsigned long pfn) -{ - int page_order; - - if (pfn & EHEA_HUGEPAGE_PFN_MASK) - return 0; - - page_order = compound_order(pfn_to_page(pfn)); - if (page_order + PAGE_SHIFT != EHEA_HUGEPAGESHIFT) - return 0; - - return 1; -} - -static int ehea_create_busmap_callback(unsigned long initial_pfn, - unsigned long total_nr_pages, void *arg) -{ - int ret; - unsigned long pfn, start_pfn, end_pfn, nr_pages; - - if ((total_nr_pages * PAGE_SIZE) < EHEA_HUGEPAGE_SIZE) - return ehea_update_busmap(initial_pfn, total_nr_pages, - EHEA_BUSMAP_ADD_SECT); - - /* Given chunk is >= 16GB -> check for hugepages */ - start_pfn = initial_pfn; - end_pfn = initial_pfn + total_nr_pages; - pfn = start_pfn; - - while (pfn < end_pfn) { - if (ehea_is_hugepage(pfn)) { - /* Add mem found in front of the hugepage */ - nr_pages = pfn - start_pfn; - ret = ehea_update_busmap(start_pfn, nr_pages, - EHEA_BUSMAP_ADD_SECT); - if (ret) - return ret; - - /* Skip the hugepage */ - pfn += (EHEA_HUGEPAGE_SIZE / PAGE_SIZE); - start_pfn = pfn; - } else - pfn += (EHEA_SECTSIZE / PAGE_SIZE); - } - - /* Add mem found behind the hugepage(s) */ - nr_pages = pfn - start_pfn; - return ehea_update_busmap(start_pfn, nr_pages, EHEA_BUSMAP_ADD_SECT); -} - -int ehea_create_busmap(void) -{ - int ret; - - mutex_lock(&ehea_busmap_mutex); - ehea_mr_len = 0; - ret = walk_system_ram_range(0, 1ULL << MAX_PHYSMEM_BITS, NULL, - ehea_create_busmap_callback); - mutex_unlock(&ehea_busmap_mutex); - return ret; -} - -void ehea_destroy_busmap(void) -{ - int top, dir; - mutex_lock(&ehea_busmap_mutex); - if (!ehea_bmap) - goto out_destroy; - - for (top = 0; top < EHEA_MAP_ENTRIES; top++) { - if (!ehea_bmap->top[top]) - continue; - - for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) { - if (!ehea_bmap->top[top]->dir[dir]) - continue; - - kfree(ehea_bmap->top[top]->dir[dir]); - } - - kfree(ehea_bmap->top[top]); - } - - kfree(ehea_bmap); - ehea_bmap = NULL; -out_destroy: - mutex_unlock(&ehea_busmap_mutex); -} - -u64 ehea_map_vaddr(void *caddr) -{ - int top, dir, idx; - unsigned long index, offset; - - if (!ehea_bmap) - return EHEA_INVAL_ADDR; - - index = virt_to_abs(caddr) >> SECTION_SIZE_BITS; - top = (index >> EHEA_TOP_INDEX_SHIFT) & EHEA_INDEX_MASK; - if (!ehea_bmap->top[top]) - return EHEA_INVAL_ADDR; - - dir = (index >> EHEA_DIR_INDEX_SHIFT) & EHEA_INDEX_MASK; - if (!ehea_bmap->top[top]->dir[dir]) - return EHEA_INVAL_ADDR; - - idx = index & EHEA_INDEX_MASK; - if (!ehea_bmap->top[top]->dir[dir]->ent[idx]) - return EHEA_INVAL_ADDR; - - offset = (unsigned long)caddr & (EHEA_SECTSIZE - 1); - return ehea_bmap->top[top]->dir[dir]->ent[idx] | offset; -} - -static inline void *ehea_calc_sectbase(int top, int dir, int idx) -{ - unsigned long ret = idx; - ret |= dir << EHEA_DIR_INDEX_SHIFT; - ret |= top << EHEA_TOP_INDEX_SHIFT; - return abs_to_virt(ret << SECTION_SIZE_BITS); -} - -static u64 ehea_reg_mr_section(int top, int dir, int idx, u64 *pt, - struct ehea_adapter *adapter, - struct ehea_mr *mr) -{ - void *pg; - u64 j, m, hret; - unsigned long k = 0; - u64 pt_abs = virt_to_abs(pt); - - void *sectbase = ehea_calc_sectbase(top, dir, idx); - - for (j = 0; j < (EHEA_PAGES_PER_SECTION / EHEA_MAX_RPAGE); j++) { - - for (m = 0; m < EHEA_MAX_RPAGE; m++) { - pg = sectbase + ((k++) * EHEA_PAGESIZE); - pt[m] = virt_to_abs(pg); - } - hret = ehea_h_register_rpage_mr(adapter->handle, mr->handle, 0, - 0, pt_abs, EHEA_MAX_RPAGE); - - if ((hret != H_SUCCESS) && - (hret != H_PAGE_REGISTERED)) { - ehea_h_free_resource(adapter->handle, mr->handle, - FORCE_FREE); - pr_err("register_rpage_mr failed\n"); - return hret; - } - } - return hret; -} - -static u64 ehea_reg_mr_sections(int top, int dir, u64 *pt, - struct ehea_adapter *adapter, - struct ehea_mr *mr) -{ - u64 hret = H_SUCCESS; - int idx; - - for (idx = 0; idx < EHEA_MAP_ENTRIES; idx++) { - if (!ehea_bmap->top[top]->dir[dir]->ent[idx]) - continue; - - hret = ehea_reg_mr_section(top, dir, idx, pt, adapter, mr); - if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED)) - return hret; - } - return hret; -} - -static u64 ehea_reg_mr_dir_sections(int top, u64 *pt, - struct ehea_adapter *adapter, - struct ehea_mr *mr) -{ - u64 hret = H_SUCCESS; - int dir; - - for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) { - if (!ehea_bmap->top[top]->dir[dir]) - continue; - - hret = ehea_reg_mr_sections(top, dir, pt, adapter, mr); - if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED)) - return hret; - } - return hret; -} - -int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr) -{ - int ret; - u64 *pt; - u64 hret; - u32 acc_ctrl = EHEA_MR_ACC_CTRL; - - unsigned long top; - - pt = (void *)get_zeroed_page(GFP_KERNEL); - if (!pt) { - pr_err("no mem\n"); - ret = -ENOMEM; - goto out; - } - - hret = ehea_h_alloc_resource_mr(adapter->handle, EHEA_BUSMAP_START, - ehea_mr_len, acc_ctrl, adapter->pd, - &mr->handle, &mr->lkey); - - if (hret != H_SUCCESS) { - pr_err("alloc_resource_mr failed\n"); - ret = -EIO; - goto out; - } - - if (!ehea_bmap) { - ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE); - pr_err("no busmap available\n"); - ret = -EIO; - goto out; - } - - for (top = 0; top < EHEA_MAP_ENTRIES; top++) { - if (!ehea_bmap->top[top]) - continue; - - hret = ehea_reg_mr_dir_sections(top, pt, adapter, mr); - if((hret != H_PAGE_REGISTERED) && (hret != H_SUCCESS)) - break; - } - - if (hret != H_SUCCESS) { - ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE); - pr_err("registering mr failed\n"); - ret = -EIO; - goto out; - } - - mr->vaddr = EHEA_BUSMAP_START; - mr->adapter = adapter; - ret = 0; -out: - free_page((unsigned long)pt); - return ret; -} - -int ehea_rem_mr(struct ehea_mr *mr) -{ - u64 hret; - - if (!mr || !mr->adapter) - return -EINVAL; - - hret = ehea_h_free_resource(mr->adapter->handle, mr->handle, - FORCE_FREE); - if (hret != H_SUCCESS) { - pr_err("destroy MR failed\n"); - return -EIO; - } - - return 0; -} - -int ehea_gen_smr(struct ehea_adapter *adapter, struct ehea_mr *old_mr, - struct ehea_mr *shared_mr) -{ - u64 hret; - - hret = ehea_h_register_smr(adapter->handle, old_mr->handle, - old_mr->vaddr, EHEA_MR_ACC_CTRL, - adapter->pd, shared_mr); - if (hret != H_SUCCESS) - return -EIO; - - shared_mr->adapter = adapter; - - return 0; -} - -static void print_error_data(u64 *data) -{ - int length; - u64 type = EHEA_BMASK_GET(ERROR_DATA_TYPE, data[2]); - u64 resource = data[1]; - - length = EHEA_BMASK_GET(ERROR_DATA_LENGTH, data[0]); - - if (length > EHEA_PAGESIZE) - length = EHEA_PAGESIZE; - - if (type == EHEA_AER_RESTYPE_QP) - pr_err("QP (resource=%llX) state: AER=0x%llX, AERR=0x%llX, port=%llX\n", - resource, data[6], data[12], data[22]); - else if (type == EHEA_AER_RESTYPE_CQ) - pr_err("CQ (resource=%llX) state: AER=0x%llX\n", - resource, data[6]); - else if (type == EHEA_AER_RESTYPE_EQ) - pr_err("EQ (resource=%llX) state: AER=0x%llX\n", - resource, data[6]); - - ehea_dump(data, length, "error data"); -} - -u64 ehea_error_data(struct ehea_adapter *adapter, u64 res_handle, - u64 *aer, u64 *aerr) -{ - unsigned long ret; - u64 *rblock; - u64 type = 0; - - rblock = (void *)get_zeroed_page(GFP_KERNEL); - if (!rblock) { - pr_err("Cannot allocate rblock memory\n"); - goto out; - } - - ret = ehea_h_error_data(adapter->handle, res_handle, rblock); - - if (ret == H_SUCCESS) { - type = EHEA_BMASK_GET(ERROR_DATA_TYPE, rblock[2]); - *aer = rblock[6]; - *aerr = rblock[12]; - print_error_data(rblock); - } else if (ret == H_R_STATE) { - pr_err("No error data available: %llX\n", res_handle); - } else - pr_err("Error data could not be fetched: %llX\n", res_handle); - - free_page((unsigned long)rblock); -out: - return type; -} diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_qmr.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_qmr.h deleted file mode 100644 index 8e4a70c2..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ehea/ehea_qmr.h +++ /dev/null @@ -1,404 +0,0 @@ -/* - * linux/drivers/net/ethernet/ibm/ehea/ehea_qmr.h - * - * eHEA ethernet device driver for IBM eServer System p - * - * (C) Copyright IBM Corp. 2006 - * - * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __EHEA_QMR_H__ -#define __EHEA_QMR_H__ - -#include <linux/prefetch.h> -#include "ehea.h" -#include "ehea_hw.h" - -/* - * page size of ehea hardware queues - */ - -#define EHEA_PAGESHIFT 12 -#define EHEA_PAGESIZE (1UL << EHEA_PAGESHIFT) -#define EHEA_SECTSIZE (1UL << 24) -#define EHEA_PAGES_PER_SECTION (EHEA_SECTSIZE >> EHEA_PAGESHIFT) -#define EHEA_HUGEPAGESHIFT 34 -#define EHEA_HUGEPAGE_SIZE (1UL << EHEA_HUGEPAGESHIFT) -#define EHEA_HUGEPAGE_PFN_MASK ((EHEA_HUGEPAGE_SIZE - 1) >> PAGE_SHIFT) - -#if ((1UL << SECTION_SIZE_BITS) < EHEA_SECTSIZE) -#error eHEA module cannot work if kernel sectionsize < ehea sectionsize -#endif - -/* Some abbreviations used here: - * - * WQE - Work Queue Entry - * SWQE - Send Work Queue Entry - * RWQE - Receive Work Queue Entry - * CQE - Completion Queue Entry - * EQE - Event Queue Entry - * MR - Memory Region - */ - -/* Use of WR_ID field for EHEA */ -#define EHEA_WR_ID_COUNT EHEA_BMASK_IBM(0, 19) -#define EHEA_WR_ID_TYPE EHEA_BMASK_IBM(20, 23) -#define EHEA_SWQE2_TYPE 0x1 -#define EHEA_SWQE3_TYPE 0x2 -#define EHEA_RWQE2_TYPE 0x3 -#define EHEA_RWQE3_TYPE 0x4 -#define EHEA_WR_ID_INDEX EHEA_BMASK_IBM(24, 47) -#define EHEA_WR_ID_REFILL EHEA_BMASK_IBM(48, 63) - -struct ehea_vsgentry { - u64 vaddr; - u32 l_key; - u32 len; -}; - -/* maximum number of sg entries allowed in a WQE */ -#define EHEA_MAX_WQE_SG_ENTRIES 252 -#define SWQE2_MAX_IMM (0xD0 - 0x30) -#define SWQE3_MAX_IMM 224 - -/* tx control flags for swqe */ -#define EHEA_SWQE_CRC 0x8000 -#define EHEA_SWQE_IP_CHECKSUM 0x4000 -#define EHEA_SWQE_TCP_CHECKSUM 0x2000 -#define EHEA_SWQE_TSO 0x1000 -#define EHEA_SWQE_SIGNALLED_COMPLETION 0x0800 -#define EHEA_SWQE_VLAN_INSERT 0x0400 -#define EHEA_SWQE_IMM_DATA_PRESENT 0x0200 -#define EHEA_SWQE_DESCRIPTORS_PRESENT 0x0100 -#define EHEA_SWQE_WRAP_CTL_REC 0x0080 -#define EHEA_SWQE_WRAP_CTL_FORCE 0x0040 -#define EHEA_SWQE_BIND 0x0020 -#define EHEA_SWQE_PURGE 0x0010 - -/* sizeof(struct ehea_swqe) less the union */ -#define SWQE_HEADER_SIZE 32 - -struct ehea_swqe { - u64 wr_id; - u16 tx_control; - u16 vlan_tag; - u8 reserved1; - u8 ip_start; - u8 ip_end; - u8 immediate_data_length; - u8 tcp_offset; - u8 reserved2; - u16 reserved2b; - u8 wrap_tag; - u8 descriptors; /* number of valid descriptors in WQE */ - u16 reserved3; - u16 reserved4; - u16 mss; - u32 reserved5; - union { - /* Send WQE Format 1 */ - struct { - struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES]; - } no_immediate_data; - - /* Send WQE Format 2 */ - struct { - struct ehea_vsgentry sg_entry; - /* 0x30 */ - u8 immediate_data[SWQE2_MAX_IMM]; - /* 0xd0 */ - struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES-1]; - } immdata_desc __packed; - - /* Send WQE Format 3 */ - struct { - u8 immediate_data[SWQE3_MAX_IMM]; - } immdata_nodesc; - } u; -}; - -struct ehea_rwqe { - u64 wr_id; /* work request ID */ - u8 reserved1[5]; - u8 data_segments; - u16 reserved2; - u64 reserved3; - u64 reserved4; - struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES]; -}; - -#define EHEA_CQE_VLAN_TAG_XTRACT 0x0400 - -#define EHEA_CQE_TYPE_RQ 0x60 -#define EHEA_CQE_STAT_ERR_MASK 0x700F -#define EHEA_CQE_STAT_FAT_ERR_MASK 0xF -#define EHEA_CQE_BLIND_CKSUM 0x8000 -#define EHEA_CQE_STAT_ERR_TCP 0x4000 -#define EHEA_CQE_STAT_ERR_IP 0x2000 -#define EHEA_CQE_STAT_ERR_CRC 0x1000 - -/* Defines which bad send cqe stati lead to a port reset */ -#define EHEA_CQE_STAT_RESET_MASK 0x0002 - -struct ehea_cqe { - u64 wr_id; /* work request ID from WQE */ - u8 type; - u8 valid; - u16 status; - u16 reserved1; - u16 num_bytes_transfered; - u16 vlan_tag; - u16 inet_checksum_value; - u8 reserved2; - u8 header_length; - u16 reserved3; - u16 page_offset; - u16 wqe_count; - u32 qp_token; - u32 timestamp; - u32 reserved4; - u64 reserved5[3]; -}; - -#define EHEA_EQE_VALID EHEA_BMASK_IBM(0, 0) -#define EHEA_EQE_IS_CQE EHEA_BMASK_IBM(1, 1) -#define EHEA_EQE_IDENTIFIER EHEA_BMASK_IBM(2, 7) -#define EHEA_EQE_QP_CQ_NUMBER EHEA_BMASK_IBM(8, 31) -#define EHEA_EQE_QP_TOKEN EHEA_BMASK_IBM(32, 63) -#define EHEA_EQE_CQ_TOKEN EHEA_BMASK_IBM(32, 63) -#define EHEA_EQE_KEY EHEA_BMASK_IBM(32, 63) -#define EHEA_EQE_PORT_NUMBER EHEA_BMASK_IBM(56, 63) -#define EHEA_EQE_EQ_NUMBER EHEA_BMASK_IBM(48, 63) -#define EHEA_EQE_SM_ID EHEA_BMASK_IBM(48, 63) -#define EHEA_EQE_SM_MECH_NUMBER EHEA_BMASK_IBM(48, 55) -#define EHEA_EQE_SM_PORT_NUMBER EHEA_BMASK_IBM(56, 63) - -#define EHEA_AER_RESTYPE_QP 0x8 -#define EHEA_AER_RESTYPE_CQ 0x4 -#define EHEA_AER_RESTYPE_EQ 0x3 - -/* Defines which affiliated errors lead to a port reset */ -#define EHEA_AER_RESET_MASK 0xFFFFFFFFFEFFFFFFULL -#define EHEA_AERR_RESET_MASK 0xFFFFFFFFFFFFFFFFULL - -struct ehea_eqe { - u64 entry; -}; - -#define ERROR_DATA_LENGTH EHEA_BMASK_IBM(52, 63) -#define ERROR_DATA_TYPE EHEA_BMASK_IBM(0, 7) - -static inline void *hw_qeit_calc(struct hw_queue *queue, u64 q_offset) -{ - struct ehea_page *current_page; - - if (q_offset >= queue->queue_length) - q_offset -= queue->queue_length; - current_page = (queue->queue_pages)[q_offset >> EHEA_PAGESHIFT]; - return ¤t_page->entries[q_offset & (EHEA_PAGESIZE - 1)]; -} - -static inline void *hw_qeit_get(struct hw_queue *queue) -{ - return hw_qeit_calc(queue, queue->current_q_offset); -} - -static inline void hw_qeit_inc(struct hw_queue *queue) -{ - queue->current_q_offset += queue->qe_size; - if (queue->current_q_offset >= queue->queue_length) { - queue->current_q_offset = 0; - /* toggle the valid flag */ - queue->toggle_state = (~queue->toggle_state) & 1; - } -} - -static inline void *hw_qeit_get_inc(struct hw_queue *queue) -{ - void *retvalue = hw_qeit_get(queue); - hw_qeit_inc(queue); - return retvalue; -} - -static inline void *hw_qeit_get_inc_valid(struct hw_queue *queue) -{ - struct ehea_cqe *retvalue = hw_qeit_get(queue); - u8 valid = retvalue->valid; - void *pref; - - if ((valid >> 7) == (queue->toggle_state & 1)) { - /* this is a good one */ - hw_qeit_inc(queue); - pref = hw_qeit_calc(queue, queue->current_q_offset); - prefetch(pref); - prefetch(pref + 128); - } else - retvalue = NULL; - return retvalue; -} - -static inline void *hw_qeit_get_valid(struct hw_queue *queue) -{ - struct ehea_cqe *retvalue = hw_qeit_get(queue); - void *pref; - u8 valid; - - pref = hw_qeit_calc(queue, queue->current_q_offset); - prefetch(pref); - prefetch(pref + 128); - prefetch(pref + 256); - valid = retvalue->valid; - if (!((valid >> 7) == (queue->toggle_state & 1))) - retvalue = NULL; - return retvalue; -} - -static inline void *hw_qeit_reset(struct hw_queue *queue) -{ - queue->current_q_offset = 0; - return hw_qeit_get(queue); -} - -static inline void *hw_qeit_eq_get_inc(struct hw_queue *queue) -{ - u64 last_entry_in_q = queue->queue_length - queue->qe_size; - void *retvalue; - - retvalue = hw_qeit_get(queue); - queue->current_q_offset += queue->qe_size; - if (queue->current_q_offset > last_entry_in_q) { - queue->current_q_offset = 0; - queue->toggle_state = (~queue->toggle_state) & 1; - } - return retvalue; -} - -static inline void *hw_eqit_eq_get_inc_valid(struct hw_queue *queue) -{ - void *retvalue = hw_qeit_get(queue); - u32 qe = *(u8 *)retvalue; - if ((qe >> 7) == (queue->toggle_state & 1)) - hw_qeit_eq_get_inc(queue); - else - retvalue = NULL; - return retvalue; -} - -static inline struct ehea_rwqe *ehea_get_next_rwqe(struct ehea_qp *qp, - int rq_nr) -{ - struct hw_queue *queue; - - if (rq_nr == 1) - queue = &qp->hw_rqueue1; - else if (rq_nr == 2) - queue = &qp->hw_rqueue2; - else - queue = &qp->hw_rqueue3; - - return hw_qeit_get_inc(queue); -} - -static inline struct ehea_swqe *ehea_get_swqe(struct ehea_qp *my_qp, - int *wqe_index) -{ - struct hw_queue *queue = &my_qp->hw_squeue; - struct ehea_swqe *wqe_p; - - *wqe_index = (queue->current_q_offset) >> (7 + EHEA_SG_SQ); - wqe_p = hw_qeit_get_inc(&my_qp->hw_squeue); - - return wqe_p; -} - -static inline void ehea_post_swqe(struct ehea_qp *my_qp, struct ehea_swqe *swqe) -{ - iosync(); - ehea_update_sqa(my_qp, 1); -} - -static inline struct ehea_cqe *ehea_poll_rq1(struct ehea_qp *qp, int *wqe_index) -{ - struct hw_queue *queue = &qp->hw_rqueue1; - - *wqe_index = (queue->current_q_offset) >> (7 + EHEA_SG_RQ1); - return hw_qeit_get_valid(queue); -} - -static inline void ehea_inc_cq(struct ehea_cq *cq) -{ - hw_qeit_inc(&cq->hw_queue); -} - -static inline void ehea_inc_rq1(struct ehea_qp *qp) -{ - hw_qeit_inc(&qp->hw_rqueue1); -} - -static inline struct ehea_cqe *ehea_poll_cq(struct ehea_cq *my_cq) -{ - return hw_qeit_get_valid(&my_cq->hw_queue); -} - -#define EHEA_CQ_REGISTER_ORIG 0 -#define EHEA_EQ_REGISTER_ORIG 0 - -enum ehea_eq_type { - EHEA_EQ = 0, /* event queue */ - EHEA_NEQ /* notification event queue */ -}; - -struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter, - enum ehea_eq_type type, - const u32 length, const u8 eqe_gen); - -int ehea_destroy_eq(struct ehea_eq *eq); - -struct ehea_eqe *ehea_poll_eq(struct ehea_eq *eq); - -struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter, int cqe, - u64 eq_handle, u32 cq_token); - -int ehea_destroy_cq(struct ehea_cq *cq); - -struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter, u32 pd, - struct ehea_qp_init_attr *init_attr); - -int ehea_destroy_qp(struct ehea_qp *qp); - -int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr); - -int ehea_gen_smr(struct ehea_adapter *adapter, struct ehea_mr *old_mr, - struct ehea_mr *shared_mr); - -int ehea_rem_mr(struct ehea_mr *mr); - -u64 ehea_error_data(struct ehea_adapter *adapter, u64 res_handle, - u64 *aer, u64 *aerr); - -int ehea_add_sect_bmap(unsigned long pfn, unsigned long nr_pages); -int ehea_rem_sect_bmap(unsigned long pfn, unsigned long nr_pages); -int ehea_create_busmap(void); -void ehea_destroy_busmap(void); -u64 ehea_map_vaddr(void *caddr); - -#endif /* __EHEA_QMR_H__ */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/Kconfig b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/Kconfig deleted file mode 100644 index 3f44a30e..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/Kconfig +++ /dev/null @@ -1,76 +0,0 @@ -config IBM_EMAC - tristate "IBM EMAC Ethernet support" - depends on PPC_DCR - select CRC32 - help - This driver supports the IBM EMAC family of Ethernet controllers - typically found on 4xx embedded PowerPC chips, but also on the - Axon southbridge for Cell. - -config IBM_EMAC_RXB - int "Number of receive buffers" - depends on IBM_EMAC - default "128" - -config IBM_EMAC_TXB - int "Number of transmit buffers" - depends on IBM_EMAC - default "64" - -config IBM_EMAC_POLL_WEIGHT - int "MAL NAPI polling weight" - depends on IBM_EMAC - default "32" - -config IBM_EMAC_RX_COPY_THRESHOLD - int "RX skb copy threshold (bytes)" - depends on IBM_EMAC - default "256" - -config IBM_EMAC_RX_SKB_HEADROOM - int "Additional RX skb headroom (bytes)" - depends on IBM_EMAC - default "0" - help - Additional receive skb headroom. Note, that driver - will always reserve at least 2 bytes to make IP header - aligned, so usually there is no need to add any additional - headroom. - - If unsure, set to 0. - -config IBM_EMAC_DEBUG - bool "Debugging" - depends on IBM_EMAC - default n - -# The options below has to be select'ed by the respective -# processor types or platforms - -config IBM_EMAC_ZMII - bool - default n - -config IBM_EMAC_RGMII - bool - default n - -config IBM_EMAC_TAH - bool - default n - -config IBM_EMAC_EMAC4 - bool - default n - -config IBM_EMAC_NO_FLOW_CTRL - bool - default n - -config IBM_EMAC_MAL_CLR_ICINTSTAT - bool - default n - -config IBM_EMAC_MAL_COMMON_ERR - bool - default n diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/Makefile b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/Makefile deleted file mode 100644 index eba21835..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# -# Makefile for the PowerPC 4xx on-chip ethernet driver -# - -obj-$(CONFIG_IBM_EMAC) += ibm_emac.o - -ibm_emac-y := mal.o core.o phy.o -ibm_emac-$(CONFIG_IBM_EMAC_ZMII) += zmii.o -ibm_emac-$(CONFIG_IBM_EMAC_RGMII) += rgmii.o -ibm_emac-$(CONFIG_IBM_EMAC_TAH) += tah.o -ibm_emac-$(CONFIG_IBM_EMAC_DEBUG) += debug.o diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/core.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/core.c deleted file mode 100644 index a0fe6e3f..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/core.c +++ /dev/null @@ -1,3102 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/core.c - * - * Driver for PowerPC 4xx on-chip ethernet controller. - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright (c) 2004, 2005 Zultys Technologies. - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * - * Based on original work by - * Matt Porter <mporter@kernel.crashing.org> - * (c) 2003 Benjamin Herrenschmidt <benh@kernel.crashing.org> - * Armin Kuster <akuster@mvista.com> - * Johnnie Peters <jpeters@mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ - -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/delay.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/crc32.h> -#include <linux/ethtool.h> -#include <linux/mii.h> -#include <linux/bitops.h> -#include <linux/workqueue.h> -#include <linux/of.h> -#include <linux/of_net.h> -#include <linux/slab.h> - -#include <asm/processor.h> -#include <asm/io.h> -#include <asm/dma.h> -#include <asm/uaccess.h> -#include <asm/dcr.h> -#include <asm/dcr-regs.h> - -#include "core.h" - -/* - * Lack of dma_unmap_???? calls is intentional. - * - * API-correct usage requires additional support state information to be - * maintained for every RX and TX buffer descriptor (BD). Unfortunately, due to - * EMAC design (e.g. TX buffer passed from network stack can be split into - * several BDs, dma_map_single/dma_map_page can be used to map particular BD), - * maintaining such information will add additional overhead. - * Current DMA API implementation for 4xx processors only ensures cache coherency - * and dma_unmap_???? routines are empty and are likely to stay this way. - * I decided to omit dma_unmap_??? calls because I don't want to add additional - * complexity just for the sake of following some abstract API, when it doesn't - * add any real benefit to the driver. I understand that this decision maybe - * controversial, but I really tried to make code API-correct and efficient - * at the same time and didn't come up with code I liked :(. --ebs - */ - -#define DRV_NAME "emac" -#define DRV_VERSION "3.54" -#define DRV_DESC "PPC 4xx OCP EMAC driver" - -MODULE_DESCRIPTION(DRV_DESC); -MODULE_AUTHOR - ("Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>"); -MODULE_LICENSE("GPL"); - -/* - * PPC64 doesn't (yet) have a cacheable_memcpy - */ -#ifdef CONFIG_PPC64 -#define cacheable_memcpy(d,s,n) memcpy((d),(s),(n)) -#endif - -/* minimum number of free TX descriptors required to wake up TX process */ -#define EMAC_TX_WAKEUP_THRESH (NUM_TX_BUFF / 4) - -/* If packet size is less than this number, we allocate small skb and copy packet - * contents into it instead of just sending original big skb up - */ -#define EMAC_RX_COPY_THRESH CONFIG_IBM_EMAC_RX_COPY_THRESHOLD - -/* Since multiple EMACs share MDIO lines in various ways, we need - * to avoid re-using the same PHY ID in cases where the arch didn't - * setup precise phy_map entries - * - * XXX This is something that needs to be reworked as we can have multiple - * EMAC "sets" (multiple ASICs containing several EMACs) though we can - * probably require in that case to have explicit PHY IDs in the device-tree - */ -static u32 busy_phy_map; -static DEFINE_MUTEX(emac_phy_map_lock); - -/* This is the wait queue used to wait on any event related to probe, that - * is discovery of MALs, other EMACs, ZMII/RGMIIs, etc... - */ -static DECLARE_WAIT_QUEUE_HEAD(emac_probe_wait); - -/* Having stable interface names is a doomed idea. However, it would be nice - * if we didn't have completely random interface names at boot too :-) It's - * just a matter of making everybody's life easier. Since we are doing - * threaded probing, it's a bit harder though. The base idea here is that - * we make up a list of all emacs in the device-tree before we register the - * driver. Every emac will then wait for the previous one in the list to - * initialize before itself. We should also keep that list ordered by - * cell_index. - * That list is only 4 entries long, meaning that additional EMACs don't - * get ordering guarantees unless EMAC_BOOT_LIST_SIZE is increased. - */ - -#define EMAC_BOOT_LIST_SIZE 4 -static struct device_node *emac_boot_list[EMAC_BOOT_LIST_SIZE]; - -/* How long should I wait for dependent devices ? */ -#define EMAC_PROBE_DEP_TIMEOUT (HZ * 5) - -/* I don't want to litter system log with timeout errors - * when we have brain-damaged PHY. - */ -static inline void emac_report_timeout_error(struct emac_instance *dev, - const char *error) -{ - if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX | - EMAC_FTR_460EX_PHY_CLK_FIX | - EMAC_FTR_440EP_PHY_CLK_FIX)) - DBG(dev, "%s" NL, error); - else if (net_ratelimit()) - printk(KERN_ERR "%s: %s\n", dev->ofdev->dev.of_node->full_name, - error); -} - -/* EMAC PHY clock workaround: - * 440EP/440GR has more sane SDR0_MFR register implementation than 440GX, - * which allows controlling each EMAC clock - */ -static inline void emac_rx_clk_tx(struct emac_instance *dev) -{ -#ifdef CONFIG_PPC_DCR_NATIVE - if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX)) - dcri_clrset(SDR0, SDR0_MFR, - 0, SDR0_MFR_ECS >> dev->cell_index); -#endif -} - -static inline void emac_rx_clk_default(struct emac_instance *dev) -{ -#ifdef CONFIG_PPC_DCR_NATIVE - if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX)) - dcri_clrset(SDR0, SDR0_MFR, - SDR0_MFR_ECS >> dev->cell_index, 0); -#endif -} - -/* PHY polling intervals */ -#define PHY_POLL_LINK_ON HZ -#define PHY_POLL_LINK_OFF (HZ / 5) - -/* Graceful stop timeouts in us. - * We should allow up to 1 frame time (full-duplex, ignoring collisions) - */ -#define STOP_TIMEOUT_10 1230 -#define STOP_TIMEOUT_100 124 -#define STOP_TIMEOUT_1000 13 -#define STOP_TIMEOUT_1000_JUMBO 73 - -static unsigned char default_mcast_addr[] = { - 0x01, 0x80, 0xC2, 0x00, 0x00, 0x01 -}; - -/* Please, keep in sync with struct ibm_emac_stats/ibm_emac_error_stats */ -static const char emac_stats_keys[EMAC_ETHTOOL_STATS_COUNT][ETH_GSTRING_LEN] = { - "rx_packets", "rx_bytes", "tx_packets", "tx_bytes", "rx_packets_csum", - "tx_packets_csum", "tx_undo", "rx_dropped_stack", "rx_dropped_oom", - "rx_dropped_error", "rx_dropped_resize", "rx_dropped_mtu", - "rx_stopped", "rx_bd_errors", "rx_bd_overrun", "rx_bd_bad_packet", - "rx_bd_runt_packet", "rx_bd_short_event", "rx_bd_alignment_error", - "rx_bd_bad_fcs", "rx_bd_packet_too_long", "rx_bd_out_of_range", - "rx_bd_in_range", "rx_parity", "rx_fifo_overrun", "rx_overrun", - "rx_bad_packet", "rx_runt_packet", "rx_short_event", - "rx_alignment_error", "rx_bad_fcs", "rx_packet_too_long", - "rx_out_of_range", "rx_in_range", "tx_dropped", "tx_bd_errors", - "tx_bd_bad_fcs", "tx_bd_carrier_loss", "tx_bd_excessive_deferral", - "tx_bd_excessive_collisions", "tx_bd_late_collision", - "tx_bd_multple_collisions", "tx_bd_single_collision", - "tx_bd_underrun", "tx_bd_sqe", "tx_parity", "tx_underrun", "tx_sqe", - "tx_errors" -}; - -static irqreturn_t emac_irq(int irq, void *dev_instance); -static void emac_clean_tx_ring(struct emac_instance *dev); -static void __emac_set_multicast_list(struct emac_instance *dev); - -static inline int emac_phy_supports_gige(int phy_mode) -{ - return phy_mode == PHY_MODE_GMII || - phy_mode == PHY_MODE_RGMII || - phy_mode == PHY_MODE_SGMII || - phy_mode == PHY_MODE_TBI || - phy_mode == PHY_MODE_RTBI; -} - -static inline int emac_phy_gpcs(int phy_mode) -{ - return phy_mode == PHY_MODE_SGMII || - phy_mode == PHY_MODE_TBI || - phy_mode == PHY_MODE_RTBI; -} - -static inline void emac_tx_enable(struct emac_instance *dev) -{ - struct emac_regs __iomem *p = dev->emacp; - u32 r; - - DBG(dev, "tx_enable" NL); - - r = in_be32(&p->mr0); - if (!(r & EMAC_MR0_TXE)) - out_be32(&p->mr0, r | EMAC_MR0_TXE); -} - -static void emac_tx_disable(struct emac_instance *dev) -{ - struct emac_regs __iomem *p = dev->emacp; - u32 r; - - DBG(dev, "tx_disable" NL); - - r = in_be32(&p->mr0); - if (r & EMAC_MR0_TXE) { - int n = dev->stop_timeout; - out_be32(&p->mr0, r & ~EMAC_MR0_TXE); - while (!(in_be32(&p->mr0) & EMAC_MR0_TXI) && n) { - udelay(1); - --n; - } - if (unlikely(!n)) - emac_report_timeout_error(dev, "TX disable timeout"); - } -} - -static void emac_rx_enable(struct emac_instance *dev) -{ - struct emac_regs __iomem *p = dev->emacp; - u32 r; - - if (unlikely(test_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags))) - goto out; - - DBG(dev, "rx_enable" NL); - - r = in_be32(&p->mr0); - if (!(r & EMAC_MR0_RXE)) { - if (unlikely(!(r & EMAC_MR0_RXI))) { - /* Wait if previous async disable is still in progress */ - int n = dev->stop_timeout; - while (!(r = in_be32(&p->mr0) & EMAC_MR0_RXI) && n) { - udelay(1); - --n; - } - if (unlikely(!n)) - emac_report_timeout_error(dev, - "RX disable timeout"); - } - out_be32(&p->mr0, r | EMAC_MR0_RXE); - } - out: - ; -} - -static void emac_rx_disable(struct emac_instance *dev) -{ - struct emac_regs __iomem *p = dev->emacp; - u32 r; - - DBG(dev, "rx_disable" NL); - - r = in_be32(&p->mr0); - if (r & EMAC_MR0_RXE) { - int n = dev->stop_timeout; - out_be32(&p->mr0, r & ~EMAC_MR0_RXE); - while (!(in_be32(&p->mr0) & EMAC_MR0_RXI) && n) { - udelay(1); - --n; - } - if (unlikely(!n)) - emac_report_timeout_error(dev, "RX disable timeout"); - } -} - -static inline void emac_netif_stop(struct emac_instance *dev) -{ - netif_tx_lock_bh(dev->ndev); - netif_addr_lock(dev->ndev); - dev->no_mcast = 1; - netif_addr_unlock(dev->ndev); - netif_tx_unlock_bh(dev->ndev); - dev->ndev->trans_start = jiffies; /* prevent tx timeout */ - mal_poll_disable(dev->mal, &dev->commac); - netif_tx_disable(dev->ndev); -} - -static inline void emac_netif_start(struct emac_instance *dev) -{ - netif_tx_lock_bh(dev->ndev); - netif_addr_lock(dev->ndev); - dev->no_mcast = 0; - if (dev->mcast_pending && netif_running(dev->ndev)) - __emac_set_multicast_list(dev); - netif_addr_unlock(dev->ndev); - netif_tx_unlock_bh(dev->ndev); - - netif_wake_queue(dev->ndev); - - /* NOTE: unconditional netif_wake_queue is only appropriate - * so long as all callers are assured to have free tx slots - * (taken from tg3... though the case where that is wrong is - * not terribly harmful) - */ - mal_poll_enable(dev->mal, &dev->commac); -} - -static inline void emac_rx_disable_async(struct emac_instance *dev) -{ - struct emac_regs __iomem *p = dev->emacp; - u32 r; - - DBG(dev, "rx_disable_async" NL); - - r = in_be32(&p->mr0); - if (r & EMAC_MR0_RXE) - out_be32(&p->mr0, r & ~EMAC_MR0_RXE); -} - -static int emac_reset(struct emac_instance *dev) -{ - struct emac_regs __iomem *p = dev->emacp; - int n = 20; - - DBG(dev, "reset" NL); - - if (!dev->reset_failed) { - /* 40x erratum suggests stopping RX channel before reset, - * we stop TX as well - */ - emac_rx_disable(dev); - emac_tx_disable(dev); - } - -#ifdef CONFIG_PPC_DCR_NATIVE - /* Enable internal clock source */ - if (emac_has_feature(dev, EMAC_FTR_460EX_PHY_CLK_FIX)) - dcri_clrset(SDR0, SDR0_ETH_CFG, - 0, SDR0_ETH_CFG_ECS << dev->cell_index); -#endif - - out_be32(&p->mr0, EMAC_MR0_SRST); - while ((in_be32(&p->mr0) & EMAC_MR0_SRST) && n) - --n; - -#ifdef CONFIG_PPC_DCR_NATIVE - /* Enable external clock source */ - if (emac_has_feature(dev, EMAC_FTR_460EX_PHY_CLK_FIX)) - dcri_clrset(SDR0, SDR0_ETH_CFG, - SDR0_ETH_CFG_ECS << dev->cell_index, 0); -#endif - - if (n) { - dev->reset_failed = 0; - return 0; - } else { - emac_report_timeout_error(dev, "reset timeout"); - dev->reset_failed = 1; - return -ETIMEDOUT; - } -} - -static void emac_hash_mc(struct emac_instance *dev) -{ - const int regs = EMAC_XAHT_REGS(dev); - u32 *gaht_base = emac_gaht_base(dev); - u32 gaht_temp[regs]; - struct netdev_hw_addr *ha; - int i; - - DBG(dev, "hash_mc %d" NL, netdev_mc_count(dev->ndev)); - - memset(gaht_temp, 0, sizeof (gaht_temp)); - - netdev_for_each_mc_addr(ha, dev->ndev) { - int slot, reg, mask; - DBG2(dev, "mc %pM" NL, ha->addr); - - slot = EMAC_XAHT_CRC_TO_SLOT(dev, - ether_crc(ETH_ALEN, ha->addr)); - reg = EMAC_XAHT_SLOT_TO_REG(dev, slot); - mask = EMAC_XAHT_SLOT_TO_MASK(dev, slot); - - gaht_temp[reg] |= mask; - } - - for (i = 0; i < regs; i++) - out_be32(gaht_base + i, gaht_temp[i]); -} - -static inline u32 emac_iff2rmr(struct net_device *ndev) -{ - struct emac_instance *dev = netdev_priv(ndev); - u32 r; - - r = EMAC_RMR_SP | EMAC_RMR_SFCS | EMAC_RMR_IAE | EMAC_RMR_BAE; - - if (emac_has_feature(dev, EMAC_FTR_EMAC4)) - r |= EMAC4_RMR_BASE; - else - r |= EMAC_RMR_BASE; - - if (ndev->flags & IFF_PROMISC) - r |= EMAC_RMR_PME; - else if (ndev->flags & IFF_ALLMULTI || - (netdev_mc_count(ndev) > EMAC_XAHT_SLOTS(dev))) - r |= EMAC_RMR_PMME; - else if (!netdev_mc_empty(ndev)) - r |= EMAC_RMR_MAE; - - if (emac_has_feature(dev, EMAC_APM821XX_REQ_JUMBO_FRAME_SIZE)) { - r &= ~EMAC4_RMR_MJS_MASK; - r |= EMAC4_RMR_MJS(ndev->mtu); - } - - return r; -} - -static u32 __emac_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_size) -{ - u32 ret = EMAC_MR1_VLE | EMAC_MR1_IST | EMAC_MR1_TR0_MULT; - - DBG2(dev, "__emac_calc_base_mr1" NL); - - switch(tx_size) { - case 2048: - ret |= EMAC_MR1_TFS_2K; - break; - default: - printk(KERN_WARNING "%s: Unknown Tx FIFO size %d\n", - dev->ndev->name, tx_size); - } - - switch(rx_size) { - case 16384: - ret |= EMAC_MR1_RFS_16K; - break; - case 4096: - ret |= EMAC_MR1_RFS_4K; - break; - default: - printk(KERN_WARNING "%s: Unknown Rx FIFO size %d\n", - dev->ndev->name, rx_size); - } - - return ret; -} - -static u32 __emac4_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_size) -{ - u32 ret = EMAC_MR1_VLE | EMAC_MR1_IST | EMAC4_MR1_TR | - EMAC4_MR1_OBCI(dev->opb_bus_freq / 1000000); - - DBG2(dev, "__emac4_calc_base_mr1" NL); - - switch(tx_size) { - case 16384: - ret |= EMAC4_MR1_TFS_16K; - break; - case 4096: - ret |= EMAC4_MR1_TFS_4K; - break; - case 2048: - ret |= EMAC4_MR1_TFS_2K; - break; - default: - printk(KERN_WARNING "%s: Unknown Tx FIFO size %d\n", - dev->ndev->name, tx_size); - } - - switch(rx_size) { - case 16384: - ret |= EMAC4_MR1_RFS_16K; - break; - case 4096: - ret |= EMAC4_MR1_RFS_4K; - break; - case 2048: - ret |= EMAC4_MR1_RFS_2K; - break; - default: - printk(KERN_WARNING "%s: Unknown Rx FIFO size %d\n", - dev->ndev->name, rx_size); - } - - return ret; -} - -static u32 emac_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_size) -{ - return emac_has_feature(dev, EMAC_FTR_EMAC4) ? - __emac4_calc_base_mr1(dev, tx_size, rx_size) : - __emac_calc_base_mr1(dev, tx_size, rx_size); -} - -static inline u32 emac_calc_trtr(struct emac_instance *dev, unsigned int size) -{ - if (emac_has_feature(dev, EMAC_FTR_EMAC4)) - return ((size >> 6) - 1) << EMAC_TRTR_SHIFT_EMAC4; - else - return ((size >> 6) - 1) << EMAC_TRTR_SHIFT; -} - -static inline u32 emac_calc_rwmr(struct emac_instance *dev, - unsigned int low, unsigned int high) -{ - if (emac_has_feature(dev, EMAC_FTR_EMAC4)) - return (low << 22) | ( (high & 0x3ff) << 6); - else - return (low << 23) | ( (high & 0x1ff) << 7); -} - -static int emac_configure(struct emac_instance *dev) -{ - struct emac_regs __iomem *p = dev->emacp; - struct net_device *ndev = dev->ndev; - int tx_size, rx_size, link = netif_carrier_ok(dev->ndev); - u32 r, mr1 = 0; - - DBG(dev, "configure" NL); - - if (!link) { - out_be32(&p->mr1, in_be32(&p->mr1) - | EMAC_MR1_FDE | EMAC_MR1_ILE); - udelay(100); - } else if (emac_reset(dev) < 0) - return -ETIMEDOUT; - - if (emac_has_feature(dev, EMAC_FTR_HAS_TAH)) - tah_reset(dev->tah_dev); - - DBG(dev, " link = %d duplex = %d, pause = %d, asym_pause = %d\n", - link, dev->phy.duplex, dev->phy.pause, dev->phy.asym_pause); - - /* Default fifo sizes */ - tx_size = dev->tx_fifo_size; - rx_size = dev->rx_fifo_size; - - /* No link, force loopback */ - if (!link) - mr1 = EMAC_MR1_FDE | EMAC_MR1_ILE; - - /* Check for full duplex */ - else if (dev->phy.duplex == DUPLEX_FULL) - mr1 |= EMAC_MR1_FDE | EMAC_MR1_MWSW_001; - - /* Adjust fifo sizes, mr1 and timeouts based on link speed */ - dev->stop_timeout = STOP_TIMEOUT_10; - switch (dev->phy.speed) { - case SPEED_1000: - if (emac_phy_gpcs(dev->phy.mode)) { - mr1 |= EMAC_MR1_MF_1000GPCS | EMAC_MR1_MF_IPPA( - (dev->phy.gpcs_address != 0xffffffff) ? - dev->phy.gpcs_address : dev->phy.address); - - /* Put some arbitrary OUI, Manuf & Rev IDs so we can - * identify this GPCS PHY later. - */ - out_be32(&p->u1.emac4.ipcr, 0xdeadbeef); - } else - mr1 |= EMAC_MR1_MF_1000; - - /* Extended fifo sizes */ - tx_size = dev->tx_fifo_size_gige; - rx_size = dev->rx_fifo_size_gige; - - if (dev->ndev->mtu > ETH_DATA_LEN) { - if (emac_has_feature(dev, EMAC_FTR_EMAC4)) - mr1 |= EMAC4_MR1_JPSM; - else - mr1 |= EMAC_MR1_JPSM; - dev->stop_timeout = STOP_TIMEOUT_1000_JUMBO; - } else - dev->stop_timeout = STOP_TIMEOUT_1000; - break; - case SPEED_100: - mr1 |= EMAC_MR1_MF_100; - dev->stop_timeout = STOP_TIMEOUT_100; - break; - default: /* make gcc happy */ - break; - } - - if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) - rgmii_set_speed(dev->rgmii_dev, dev->rgmii_port, - dev->phy.speed); - if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII)) - zmii_set_speed(dev->zmii_dev, dev->zmii_port, dev->phy.speed); - - /* on 40x erratum forces us to NOT use integrated flow control, - * let's hope it works on 44x ;) - */ - if (!emac_has_feature(dev, EMAC_FTR_NO_FLOW_CONTROL_40x) && - dev->phy.duplex == DUPLEX_FULL) { - if (dev->phy.pause) - mr1 |= EMAC_MR1_EIFC | EMAC_MR1_APP; - else if (dev->phy.asym_pause) - mr1 |= EMAC_MR1_APP; - } - - /* Add base settings & fifo sizes & program MR1 */ - mr1 |= emac_calc_base_mr1(dev, tx_size, rx_size); - out_be32(&p->mr1, mr1); - - /* Set individual MAC address */ - out_be32(&p->iahr, (ndev->dev_addr[0] << 8) | ndev->dev_addr[1]); - out_be32(&p->ialr, (ndev->dev_addr[2] << 24) | - (ndev->dev_addr[3] << 16) | (ndev->dev_addr[4] << 8) | - ndev->dev_addr[5]); - - /* VLAN Tag Protocol ID */ - out_be32(&p->vtpid, 0x8100); - - /* Receive mode register */ - r = emac_iff2rmr(ndev); - if (r & EMAC_RMR_MAE) - emac_hash_mc(dev); - out_be32(&p->rmr, r); - - /* FIFOs thresholds */ - if (emac_has_feature(dev, EMAC_FTR_EMAC4)) - r = EMAC4_TMR1((dev->mal_burst_size / dev->fifo_entry_size) + 1, - tx_size / 2 / dev->fifo_entry_size); - else - r = EMAC_TMR1((dev->mal_burst_size / dev->fifo_entry_size) + 1, - tx_size / 2 / dev->fifo_entry_size); - out_be32(&p->tmr1, r); - out_be32(&p->trtr, emac_calc_trtr(dev, tx_size / 2)); - - /* PAUSE frame is sent when RX FIFO reaches its high-water mark, - there should be still enough space in FIFO to allow the our link - partner time to process this frame and also time to send PAUSE - frame itself. - - Here is the worst case scenario for the RX FIFO "headroom" - (from "The Switch Book") (100Mbps, without preamble, inter-frame gap): - - 1) One maximum-length frame on TX 1522 bytes - 2) One PAUSE frame time 64 bytes - 3) PAUSE frame decode time allowance 64 bytes - 4) One maximum-length frame on RX 1522 bytes - 5) Round-trip propagation delay of the link (100Mb) 15 bytes - ---------- - 3187 bytes - - I chose to set high-water mark to RX_FIFO_SIZE / 4 (1024 bytes) - low-water mark to RX_FIFO_SIZE / 8 (512 bytes) - */ - r = emac_calc_rwmr(dev, rx_size / 8 / dev->fifo_entry_size, - rx_size / 4 / dev->fifo_entry_size); - out_be32(&p->rwmr, r); - - /* Set PAUSE timer to the maximum */ - out_be32(&p->ptr, 0xffff); - - /* IRQ sources */ - r = EMAC_ISR_OVR | EMAC_ISR_BP | EMAC_ISR_SE | - EMAC_ISR_ALE | EMAC_ISR_BFCS | EMAC_ISR_PTLE | EMAC_ISR_ORE | - EMAC_ISR_IRE | EMAC_ISR_TE; - if (emac_has_feature(dev, EMAC_FTR_EMAC4)) - r |= EMAC4_ISR_TXPE | EMAC4_ISR_RXPE /* | EMAC4_ISR_TXUE | - EMAC4_ISR_RXOE | */; - out_be32(&p->iser, r); - - /* We need to take GPCS PHY out of isolate mode after EMAC reset */ - if (emac_phy_gpcs(dev->phy.mode)) { - if (dev->phy.gpcs_address != 0xffffffff) - emac_mii_reset_gpcs(&dev->phy); - else - emac_mii_reset_phy(&dev->phy); - } - - return 0; -} - -static void emac_reinitialize(struct emac_instance *dev) -{ - DBG(dev, "reinitialize" NL); - - emac_netif_stop(dev); - if (!emac_configure(dev)) { - emac_tx_enable(dev); - emac_rx_enable(dev); - } - emac_netif_start(dev); -} - -static void emac_full_tx_reset(struct emac_instance *dev) -{ - DBG(dev, "full_tx_reset" NL); - - emac_tx_disable(dev); - mal_disable_tx_channel(dev->mal, dev->mal_tx_chan); - emac_clean_tx_ring(dev); - dev->tx_cnt = dev->tx_slot = dev->ack_slot = 0; - - emac_configure(dev); - - mal_enable_tx_channel(dev->mal, dev->mal_tx_chan); - emac_tx_enable(dev); - emac_rx_enable(dev); -} - -static void emac_reset_work(struct work_struct *work) -{ - struct emac_instance *dev = container_of(work, struct emac_instance, reset_work); - - DBG(dev, "reset_work" NL); - - mutex_lock(&dev->link_lock); - if (dev->opened) { - emac_netif_stop(dev); - emac_full_tx_reset(dev); - emac_netif_start(dev); - } - mutex_unlock(&dev->link_lock); -} - -static void emac_tx_timeout(struct net_device *ndev) -{ - struct emac_instance *dev = netdev_priv(ndev); - - DBG(dev, "tx_timeout" NL); - - schedule_work(&dev->reset_work); -} - - -static inline int emac_phy_done(struct emac_instance *dev, u32 stacr) -{ - int done = !!(stacr & EMAC_STACR_OC); - - if (emac_has_feature(dev, EMAC_FTR_STACR_OC_INVERT)) - done = !done; - - return done; -}; - -static int __emac_mdio_read(struct emac_instance *dev, u8 id, u8 reg) -{ - struct emac_regs __iomem *p = dev->emacp; - u32 r = 0; - int n, err = -ETIMEDOUT; - - mutex_lock(&dev->mdio_lock); - - DBG2(dev, "mdio_read(%02x,%02x)" NL, id, reg); - - /* Enable proper MDIO port */ - if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII)) - zmii_get_mdio(dev->zmii_dev, dev->zmii_port); - if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) - rgmii_get_mdio(dev->rgmii_dev, dev->rgmii_port); - - /* Wait for management interface to become idle */ - n = 20; - while (!emac_phy_done(dev, in_be32(&p->stacr))) { - udelay(1); - if (!--n) { - DBG2(dev, " -> timeout wait idle\n"); - goto bail; - } - } - - /* Issue read command */ - if (emac_has_feature(dev, EMAC_FTR_EMAC4)) - r = EMAC4_STACR_BASE(dev->opb_bus_freq); - else - r = EMAC_STACR_BASE(dev->opb_bus_freq); - if (emac_has_feature(dev, EMAC_FTR_STACR_OC_INVERT)) - r |= EMAC_STACR_OC; - if (emac_has_feature(dev, EMAC_FTR_HAS_NEW_STACR)) - r |= EMACX_STACR_STAC_READ; - else - r |= EMAC_STACR_STAC_READ; - r |= (reg & EMAC_STACR_PRA_MASK) - | ((id & EMAC_STACR_PCDA_MASK) << EMAC_STACR_PCDA_SHIFT); - out_be32(&p->stacr, r); - - /* Wait for read to complete */ - n = 200; - while (!emac_phy_done(dev, (r = in_be32(&p->stacr)))) { - udelay(1); - if (!--n) { - DBG2(dev, " -> timeout wait complete\n"); - goto bail; - } - } - - if (unlikely(r & EMAC_STACR_PHYE)) { - DBG(dev, "mdio_read(%02x, %02x) failed" NL, id, reg); - err = -EREMOTEIO; - goto bail; - } - - r = ((r >> EMAC_STACR_PHYD_SHIFT) & EMAC_STACR_PHYD_MASK); - - DBG2(dev, "mdio_read -> %04x" NL, r); - err = 0; - bail: - if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) - rgmii_put_mdio(dev->rgmii_dev, dev->rgmii_port); - if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII)) - zmii_put_mdio(dev->zmii_dev, dev->zmii_port); - mutex_unlock(&dev->mdio_lock); - - return err == 0 ? r : err; -} - -static void __emac_mdio_write(struct emac_instance *dev, u8 id, u8 reg, - u16 val) -{ - struct emac_regs __iomem *p = dev->emacp; - u32 r = 0; - int n, err = -ETIMEDOUT; - - mutex_lock(&dev->mdio_lock); - - DBG2(dev, "mdio_write(%02x,%02x,%04x)" NL, id, reg, val); - - /* Enable proper MDIO port */ - if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII)) - zmii_get_mdio(dev->zmii_dev, dev->zmii_port); - if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) - rgmii_get_mdio(dev->rgmii_dev, dev->rgmii_port); - - /* Wait for management interface to be idle */ - n = 20; - while (!emac_phy_done(dev, in_be32(&p->stacr))) { - udelay(1); - if (!--n) { - DBG2(dev, " -> timeout wait idle\n"); - goto bail; - } - } - - /* Issue write command */ - if (emac_has_feature(dev, EMAC_FTR_EMAC4)) - r = EMAC4_STACR_BASE(dev->opb_bus_freq); - else - r = EMAC_STACR_BASE(dev->opb_bus_freq); - if (emac_has_feature(dev, EMAC_FTR_STACR_OC_INVERT)) - r |= EMAC_STACR_OC; - if (emac_has_feature(dev, EMAC_FTR_HAS_NEW_STACR)) - r |= EMACX_STACR_STAC_WRITE; - else - r |= EMAC_STACR_STAC_WRITE; - r |= (reg & EMAC_STACR_PRA_MASK) | - ((id & EMAC_STACR_PCDA_MASK) << EMAC_STACR_PCDA_SHIFT) | - (val << EMAC_STACR_PHYD_SHIFT); - out_be32(&p->stacr, r); - - /* Wait for write to complete */ - n = 200; - while (!emac_phy_done(dev, in_be32(&p->stacr))) { - udelay(1); - if (!--n) { - DBG2(dev, " -> timeout wait complete\n"); - goto bail; - } - } - err = 0; - bail: - if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) - rgmii_put_mdio(dev->rgmii_dev, dev->rgmii_port); - if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII)) - zmii_put_mdio(dev->zmii_dev, dev->zmii_port); - mutex_unlock(&dev->mdio_lock); -} - -static int emac_mdio_read(struct net_device *ndev, int id, int reg) -{ - struct emac_instance *dev = netdev_priv(ndev); - int res; - - res = __emac_mdio_read((dev->mdio_instance && - dev->phy.gpcs_address != id) ? - dev->mdio_instance : dev, - (u8) id, (u8) reg); - return res; -} - -static void emac_mdio_write(struct net_device *ndev, int id, int reg, int val) -{ - struct emac_instance *dev = netdev_priv(ndev); - - __emac_mdio_write((dev->mdio_instance && - dev->phy.gpcs_address != id) ? - dev->mdio_instance : dev, - (u8) id, (u8) reg, (u16) val); -} - -/* Tx lock BH */ -static void __emac_set_multicast_list(struct emac_instance *dev) -{ - struct emac_regs __iomem *p = dev->emacp; - u32 rmr = emac_iff2rmr(dev->ndev); - - DBG(dev, "__multicast %08x" NL, rmr); - - /* I decided to relax register access rules here to avoid - * full EMAC reset. - * - * There is a real problem with EMAC4 core if we use MWSW_001 bit - * in MR1 register and do a full EMAC reset. - * One TX BD status update is delayed and, after EMAC reset, it - * never happens, resulting in TX hung (it'll be recovered by TX - * timeout handler eventually, but this is just gross). - * So we either have to do full TX reset or try to cheat here :) - * - * The only required change is to RX mode register, so I *think* all - * we need is just to stop RX channel. This seems to work on all - * tested SoCs. --ebs - * - * If we need the full reset, we might just trigger the workqueue - * and do it async... a bit nasty but should work --BenH - */ - dev->mcast_pending = 0; - emac_rx_disable(dev); - if (rmr & EMAC_RMR_MAE) - emac_hash_mc(dev); - out_be32(&p->rmr, rmr); - emac_rx_enable(dev); -} - -/* Tx lock BH */ -static void emac_set_multicast_list(struct net_device *ndev) -{ - struct emac_instance *dev = netdev_priv(ndev); - - DBG(dev, "multicast" NL); - - BUG_ON(!netif_running(dev->ndev)); - - if (dev->no_mcast) { - dev->mcast_pending = 1; - return; - } - __emac_set_multicast_list(dev); -} - -static int emac_resize_rx_ring(struct emac_instance *dev, int new_mtu) -{ - int rx_sync_size = emac_rx_sync_size(new_mtu); - int rx_skb_size = emac_rx_skb_size(new_mtu); - int i, ret = 0; - int mr1_jumbo_bit_change = 0; - - mutex_lock(&dev->link_lock); - emac_netif_stop(dev); - emac_rx_disable(dev); - mal_disable_rx_channel(dev->mal, dev->mal_rx_chan); - - if (dev->rx_sg_skb) { - ++dev->estats.rx_dropped_resize; - dev_kfree_skb(dev->rx_sg_skb); - dev->rx_sg_skb = NULL; - } - - /* Make a first pass over RX ring and mark BDs ready, dropping - * non-processed packets on the way. We need this as a separate pass - * to simplify error recovery in the case of allocation failure later. - */ - for (i = 0; i < NUM_RX_BUFF; ++i) { - if (dev->rx_desc[i].ctrl & MAL_RX_CTRL_FIRST) - ++dev->estats.rx_dropped_resize; - - dev->rx_desc[i].data_len = 0; - dev->rx_desc[i].ctrl = MAL_RX_CTRL_EMPTY | - (i == (NUM_RX_BUFF - 1) ? MAL_RX_CTRL_WRAP : 0); - } - - /* Reallocate RX ring only if bigger skb buffers are required */ - if (rx_skb_size <= dev->rx_skb_size) - goto skip; - - /* Second pass, allocate new skbs */ - for (i = 0; i < NUM_RX_BUFF; ++i) { - struct sk_buff *skb = alloc_skb(rx_skb_size, GFP_ATOMIC); - if (!skb) { - ret = -ENOMEM; - goto oom; - } - - BUG_ON(!dev->rx_skb[i]); - dev_kfree_skb(dev->rx_skb[i]); - - skb_reserve(skb, EMAC_RX_SKB_HEADROOM + 2); - dev->rx_desc[i].data_ptr = - dma_map_single(&dev->ofdev->dev, skb->data - 2, rx_sync_size, - DMA_FROM_DEVICE) + 2; - dev->rx_skb[i] = skb; - } - skip: - /* Check if we need to change "Jumbo" bit in MR1 */ - if (emac_has_feature(dev, EMAC_APM821XX_REQ_JUMBO_FRAME_SIZE)) { - mr1_jumbo_bit_change = (new_mtu > ETH_DATA_LEN) || - (dev->ndev->mtu > ETH_DATA_LEN); - } else { - mr1_jumbo_bit_change = (new_mtu > ETH_DATA_LEN) ^ - (dev->ndev->mtu > ETH_DATA_LEN); - } - - if (mr1_jumbo_bit_change) { - /* This is to prevent starting RX channel in emac_rx_enable() */ - set_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags); - - dev->ndev->mtu = new_mtu; - emac_full_tx_reset(dev); - } - - mal_set_rcbs(dev->mal, dev->mal_rx_chan, emac_rx_size(new_mtu)); - oom: - /* Restart RX */ - clear_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags); - dev->rx_slot = 0; - mal_enable_rx_channel(dev->mal, dev->mal_rx_chan); - emac_rx_enable(dev); - emac_netif_start(dev); - mutex_unlock(&dev->link_lock); - - return ret; -} - -/* Process ctx, rtnl_lock semaphore */ -static int emac_change_mtu(struct net_device *ndev, int new_mtu) -{ - struct emac_instance *dev = netdev_priv(ndev); - int ret = 0; - - if (new_mtu < EMAC_MIN_MTU || new_mtu > dev->max_mtu) - return -EINVAL; - - DBG(dev, "change_mtu(%d)" NL, new_mtu); - - if (netif_running(ndev)) { - /* Check if we really need to reinitialize RX ring */ - if (emac_rx_skb_size(ndev->mtu) != emac_rx_skb_size(new_mtu)) - ret = emac_resize_rx_ring(dev, new_mtu); - } - - if (!ret) { - ndev->mtu = new_mtu; - dev->rx_skb_size = emac_rx_skb_size(new_mtu); - dev->rx_sync_size = emac_rx_sync_size(new_mtu); - } - - return ret; -} - -static void emac_clean_tx_ring(struct emac_instance *dev) -{ - int i; - - for (i = 0; i < NUM_TX_BUFF; ++i) { - if (dev->tx_skb[i]) { - dev_kfree_skb(dev->tx_skb[i]); - dev->tx_skb[i] = NULL; - if (dev->tx_desc[i].ctrl & MAL_TX_CTRL_READY) - ++dev->estats.tx_dropped; - } - dev->tx_desc[i].ctrl = 0; - dev->tx_desc[i].data_ptr = 0; - } -} - -static void emac_clean_rx_ring(struct emac_instance *dev) -{ - int i; - - for (i = 0; i < NUM_RX_BUFF; ++i) - if (dev->rx_skb[i]) { - dev->rx_desc[i].ctrl = 0; - dev_kfree_skb(dev->rx_skb[i]); - dev->rx_skb[i] = NULL; - dev->rx_desc[i].data_ptr = 0; - } - - if (dev->rx_sg_skb) { - dev_kfree_skb(dev->rx_sg_skb); - dev->rx_sg_skb = NULL; - } -} - -static inline int emac_alloc_rx_skb(struct emac_instance *dev, int slot, - gfp_t flags) -{ - struct sk_buff *skb = alloc_skb(dev->rx_skb_size, flags); - if (unlikely(!skb)) - return -ENOMEM; - - dev->rx_skb[slot] = skb; - dev->rx_desc[slot].data_len = 0; - - skb_reserve(skb, EMAC_RX_SKB_HEADROOM + 2); - dev->rx_desc[slot].data_ptr = - dma_map_single(&dev->ofdev->dev, skb->data - 2, dev->rx_sync_size, - DMA_FROM_DEVICE) + 2; - wmb(); - dev->rx_desc[slot].ctrl = MAL_RX_CTRL_EMPTY | - (slot == (NUM_RX_BUFF - 1) ? MAL_RX_CTRL_WRAP : 0); - - return 0; -} - -static void emac_print_link_status(struct emac_instance *dev) -{ - if (netif_carrier_ok(dev->ndev)) - printk(KERN_INFO "%s: link is up, %d %s%s\n", - dev->ndev->name, dev->phy.speed, - dev->phy.duplex == DUPLEX_FULL ? "FDX" : "HDX", - dev->phy.pause ? ", pause enabled" : - dev->phy.asym_pause ? ", asymmetric pause enabled" : ""); - else - printk(KERN_INFO "%s: link is down\n", dev->ndev->name); -} - -/* Process ctx, rtnl_lock semaphore */ -static int emac_open(struct net_device *ndev) -{ - struct emac_instance *dev = netdev_priv(ndev); - int err, i; - - DBG(dev, "open" NL); - - /* Setup error IRQ handler */ - err = request_irq(dev->emac_irq, emac_irq, 0, "EMAC", dev); - if (err) { - printk(KERN_ERR "%s: failed to request IRQ %d\n", - ndev->name, dev->emac_irq); - return err; - } - - /* Allocate RX ring */ - for (i = 0; i < NUM_RX_BUFF; ++i) - if (emac_alloc_rx_skb(dev, i, GFP_KERNEL)) { - printk(KERN_ERR "%s: failed to allocate RX ring\n", - ndev->name); - goto oom; - } - - dev->tx_cnt = dev->tx_slot = dev->ack_slot = dev->rx_slot = 0; - clear_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags); - dev->rx_sg_skb = NULL; - - mutex_lock(&dev->link_lock); - dev->opened = 1; - - /* Start PHY polling now. - */ - if (dev->phy.address >= 0) { - int link_poll_interval; - if (dev->phy.def->ops->poll_link(&dev->phy)) { - dev->phy.def->ops->read_link(&dev->phy); - emac_rx_clk_default(dev); - netif_carrier_on(dev->ndev); - link_poll_interval = PHY_POLL_LINK_ON; - } else { - emac_rx_clk_tx(dev); - netif_carrier_off(dev->ndev); - link_poll_interval = PHY_POLL_LINK_OFF; - } - dev->link_polling = 1; - wmb(); - schedule_delayed_work(&dev->link_work, link_poll_interval); - emac_print_link_status(dev); - } else - netif_carrier_on(dev->ndev); - - /* Required for Pause packet support in EMAC */ - dev_mc_add_global(ndev, default_mcast_addr); - - emac_configure(dev); - mal_poll_add(dev->mal, &dev->commac); - mal_enable_tx_channel(dev->mal, dev->mal_tx_chan); - mal_set_rcbs(dev->mal, dev->mal_rx_chan, emac_rx_size(ndev->mtu)); - mal_enable_rx_channel(dev->mal, dev->mal_rx_chan); - emac_tx_enable(dev); - emac_rx_enable(dev); - emac_netif_start(dev); - - mutex_unlock(&dev->link_lock); - - return 0; - oom: - emac_clean_rx_ring(dev); - free_irq(dev->emac_irq, dev); - - return -ENOMEM; -} - -/* BHs disabled */ -#if 0 -static int emac_link_differs(struct emac_instance *dev) -{ - u32 r = in_be32(&dev->emacp->mr1); - - int duplex = r & EMAC_MR1_FDE ? DUPLEX_FULL : DUPLEX_HALF; - int speed, pause, asym_pause; - - if (r & EMAC_MR1_MF_1000) - speed = SPEED_1000; - else if (r & EMAC_MR1_MF_100) - speed = SPEED_100; - else - speed = SPEED_10; - - switch (r & (EMAC_MR1_EIFC | EMAC_MR1_APP)) { - case (EMAC_MR1_EIFC | EMAC_MR1_APP): - pause = 1; - asym_pause = 0; - break; - case EMAC_MR1_APP: - pause = 0; - asym_pause = 1; - break; - default: - pause = asym_pause = 0; - } - return speed != dev->phy.speed || duplex != dev->phy.duplex || - pause != dev->phy.pause || asym_pause != dev->phy.asym_pause; -} -#endif - -static void emac_link_timer(struct work_struct *work) -{ - struct emac_instance *dev = - container_of(to_delayed_work(work), - struct emac_instance, link_work); - int link_poll_interval; - - mutex_lock(&dev->link_lock); - DBG2(dev, "link timer" NL); - - if (!dev->opened) - goto bail; - - if (dev->phy.def->ops->poll_link(&dev->phy)) { - if (!netif_carrier_ok(dev->ndev)) { - emac_rx_clk_default(dev); - /* Get new link parameters */ - dev->phy.def->ops->read_link(&dev->phy); - - netif_carrier_on(dev->ndev); - emac_netif_stop(dev); - emac_full_tx_reset(dev); - emac_netif_start(dev); - emac_print_link_status(dev); - } - link_poll_interval = PHY_POLL_LINK_ON; - } else { - if (netif_carrier_ok(dev->ndev)) { - emac_rx_clk_tx(dev); - netif_carrier_off(dev->ndev); - netif_tx_disable(dev->ndev); - emac_reinitialize(dev); - emac_print_link_status(dev); - } - link_poll_interval = PHY_POLL_LINK_OFF; - } - schedule_delayed_work(&dev->link_work, link_poll_interval); - bail: - mutex_unlock(&dev->link_lock); -} - -static void emac_force_link_update(struct emac_instance *dev) -{ - netif_carrier_off(dev->ndev); - smp_rmb(); - if (dev->link_polling) { - cancel_delayed_work_sync(&dev->link_work); - if (dev->link_polling) - schedule_delayed_work(&dev->link_work, PHY_POLL_LINK_OFF); - } -} - -/* Process ctx, rtnl_lock semaphore */ -static int emac_close(struct net_device *ndev) -{ - struct emac_instance *dev = netdev_priv(ndev); - - DBG(dev, "close" NL); - - if (dev->phy.address >= 0) { - dev->link_polling = 0; - cancel_delayed_work_sync(&dev->link_work); - } - mutex_lock(&dev->link_lock); - emac_netif_stop(dev); - dev->opened = 0; - mutex_unlock(&dev->link_lock); - - emac_rx_disable(dev); - emac_tx_disable(dev); - mal_disable_rx_channel(dev->mal, dev->mal_rx_chan); - mal_disable_tx_channel(dev->mal, dev->mal_tx_chan); - mal_poll_del(dev->mal, &dev->commac); - - emac_clean_tx_ring(dev); - emac_clean_rx_ring(dev); - - free_irq(dev->emac_irq, dev); - - netif_carrier_off(ndev); - - return 0; -} - -static inline u16 emac_tx_csum(struct emac_instance *dev, - struct sk_buff *skb) -{ - if (emac_has_feature(dev, EMAC_FTR_HAS_TAH) && - (skb->ip_summed == CHECKSUM_PARTIAL)) { - ++dev->stats.tx_packets_csum; - return EMAC_TX_CTRL_TAH_CSUM; - } - return 0; -} - -static inline int emac_xmit_finish(struct emac_instance *dev, int len) -{ - struct emac_regs __iomem *p = dev->emacp; - struct net_device *ndev = dev->ndev; - - /* Send the packet out. If the if makes a significant perf - * difference, then we can store the TMR0 value in "dev" - * instead - */ - if (emac_has_feature(dev, EMAC_FTR_EMAC4)) - out_be32(&p->tmr0, EMAC4_TMR0_XMIT); - else - out_be32(&p->tmr0, EMAC_TMR0_XMIT); - - if (unlikely(++dev->tx_cnt == NUM_TX_BUFF)) { - netif_stop_queue(ndev); - DBG2(dev, "stopped TX queue" NL); - } - - ndev->trans_start = jiffies; - ++dev->stats.tx_packets; - dev->stats.tx_bytes += len; - - return NETDEV_TX_OK; -} - -/* Tx lock BH */ -static int emac_start_xmit(struct sk_buff *skb, struct net_device *ndev) -{ - struct emac_instance *dev = netdev_priv(ndev); - unsigned int len = skb->len; - int slot; - - u16 ctrl = EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP | MAL_TX_CTRL_READY | - MAL_TX_CTRL_LAST | emac_tx_csum(dev, skb); - - slot = dev->tx_slot++; - if (dev->tx_slot == NUM_TX_BUFF) { - dev->tx_slot = 0; - ctrl |= MAL_TX_CTRL_WRAP; - } - - DBG2(dev, "xmit(%u) %d" NL, len, slot); - - dev->tx_skb[slot] = skb; - dev->tx_desc[slot].data_ptr = dma_map_single(&dev->ofdev->dev, - skb->data, len, - DMA_TO_DEVICE); - dev->tx_desc[slot].data_len = (u16) len; - wmb(); - dev->tx_desc[slot].ctrl = ctrl; - - return emac_xmit_finish(dev, len); -} - -static inline int emac_xmit_split(struct emac_instance *dev, int slot, - u32 pd, int len, int last, u16 base_ctrl) -{ - while (1) { - u16 ctrl = base_ctrl; - int chunk = min(len, MAL_MAX_TX_SIZE); - len -= chunk; - - slot = (slot + 1) % NUM_TX_BUFF; - - if (last && !len) - ctrl |= MAL_TX_CTRL_LAST; - if (slot == NUM_TX_BUFF - 1) - ctrl |= MAL_TX_CTRL_WRAP; - - dev->tx_skb[slot] = NULL; - dev->tx_desc[slot].data_ptr = pd; - dev->tx_desc[slot].data_len = (u16) chunk; - dev->tx_desc[slot].ctrl = ctrl; - ++dev->tx_cnt; - - if (!len) - break; - - pd += chunk; - } - return slot; -} - -/* Tx lock BH disabled (SG version for TAH equipped EMACs) */ -static int emac_start_xmit_sg(struct sk_buff *skb, struct net_device *ndev) -{ - struct emac_instance *dev = netdev_priv(ndev); - int nr_frags = skb_shinfo(skb)->nr_frags; - int len = skb->len, chunk; - int slot, i; - u16 ctrl; - u32 pd; - - /* This is common "fast" path */ - if (likely(!nr_frags && len <= MAL_MAX_TX_SIZE)) - return emac_start_xmit(skb, ndev); - - len -= skb->data_len; - - /* Note, this is only an *estimation*, we can still run out of empty - * slots because of the additional fragmentation into - * MAL_MAX_TX_SIZE-sized chunks - */ - if (unlikely(dev->tx_cnt + nr_frags + mal_tx_chunks(len) > NUM_TX_BUFF)) - goto stop_queue; - - ctrl = EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP | MAL_TX_CTRL_READY | - emac_tx_csum(dev, skb); - slot = dev->tx_slot; - - /* skb data */ - dev->tx_skb[slot] = NULL; - chunk = min(len, MAL_MAX_TX_SIZE); - dev->tx_desc[slot].data_ptr = pd = - dma_map_single(&dev->ofdev->dev, skb->data, len, DMA_TO_DEVICE); - dev->tx_desc[slot].data_len = (u16) chunk; - len -= chunk; - if (unlikely(len)) - slot = emac_xmit_split(dev, slot, pd + chunk, len, !nr_frags, - ctrl); - /* skb fragments */ - for (i = 0; i < nr_frags; ++i) { - struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; - len = skb_frag_size(frag); - - if (unlikely(dev->tx_cnt + mal_tx_chunks(len) >= NUM_TX_BUFF)) - goto undo_frame; - - pd = skb_frag_dma_map(&dev->ofdev->dev, frag, 0, len, - DMA_TO_DEVICE); - - slot = emac_xmit_split(dev, slot, pd, len, i == nr_frags - 1, - ctrl); - } - - DBG2(dev, "xmit_sg(%u) %d - %d" NL, skb->len, dev->tx_slot, slot); - - /* Attach skb to the last slot so we don't release it too early */ - dev->tx_skb[slot] = skb; - - /* Send the packet out */ - if (dev->tx_slot == NUM_TX_BUFF - 1) - ctrl |= MAL_TX_CTRL_WRAP; - wmb(); - dev->tx_desc[dev->tx_slot].ctrl = ctrl; - dev->tx_slot = (slot + 1) % NUM_TX_BUFF; - - return emac_xmit_finish(dev, skb->len); - - undo_frame: - /* Well, too bad. Our previous estimation was overly optimistic. - * Undo everything. - */ - while (slot != dev->tx_slot) { - dev->tx_desc[slot].ctrl = 0; - --dev->tx_cnt; - if (--slot < 0) - slot = NUM_TX_BUFF - 1; - } - ++dev->estats.tx_undo; - - stop_queue: - netif_stop_queue(ndev); - DBG2(dev, "stopped TX queue" NL); - return NETDEV_TX_BUSY; -} - -/* Tx lock BHs */ -static void emac_parse_tx_error(struct emac_instance *dev, u16 ctrl) -{ - struct emac_error_stats *st = &dev->estats; - - DBG(dev, "BD TX error %04x" NL, ctrl); - - ++st->tx_bd_errors; - if (ctrl & EMAC_TX_ST_BFCS) - ++st->tx_bd_bad_fcs; - if (ctrl & EMAC_TX_ST_LCS) - ++st->tx_bd_carrier_loss; - if (ctrl & EMAC_TX_ST_ED) - ++st->tx_bd_excessive_deferral; - if (ctrl & EMAC_TX_ST_EC) - ++st->tx_bd_excessive_collisions; - if (ctrl & EMAC_TX_ST_LC) - ++st->tx_bd_late_collision; - if (ctrl & EMAC_TX_ST_MC) - ++st->tx_bd_multple_collisions; - if (ctrl & EMAC_TX_ST_SC) - ++st->tx_bd_single_collision; - if (ctrl & EMAC_TX_ST_UR) - ++st->tx_bd_underrun; - if (ctrl & EMAC_TX_ST_SQE) - ++st->tx_bd_sqe; -} - -static void emac_poll_tx(void *param) -{ - struct emac_instance *dev = param; - u32 bad_mask; - - DBG2(dev, "poll_tx, %d %d" NL, dev->tx_cnt, dev->ack_slot); - - if (emac_has_feature(dev, EMAC_FTR_HAS_TAH)) - bad_mask = EMAC_IS_BAD_TX_TAH; - else - bad_mask = EMAC_IS_BAD_TX; - - netif_tx_lock_bh(dev->ndev); - if (dev->tx_cnt) { - u16 ctrl; - int slot = dev->ack_slot, n = 0; - again: - ctrl = dev->tx_desc[slot].ctrl; - if (!(ctrl & MAL_TX_CTRL_READY)) { - struct sk_buff *skb = dev->tx_skb[slot]; - ++n; - - if (skb) { - dev_kfree_skb(skb); - dev->tx_skb[slot] = NULL; - } - slot = (slot + 1) % NUM_TX_BUFF; - - if (unlikely(ctrl & bad_mask)) - emac_parse_tx_error(dev, ctrl); - - if (--dev->tx_cnt) - goto again; - } - if (n) { - dev->ack_slot = slot; - if (netif_queue_stopped(dev->ndev) && - dev->tx_cnt < EMAC_TX_WAKEUP_THRESH) - netif_wake_queue(dev->ndev); - - DBG2(dev, "tx %d pkts" NL, n); - } - } - netif_tx_unlock_bh(dev->ndev); -} - -static inline void emac_recycle_rx_skb(struct emac_instance *dev, int slot, - int len) -{ - struct sk_buff *skb = dev->rx_skb[slot]; - - DBG2(dev, "recycle %d %d" NL, slot, len); - - if (len) - dma_map_single(&dev->ofdev->dev, skb->data - 2, - EMAC_DMA_ALIGN(len + 2), DMA_FROM_DEVICE); - - dev->rx_desc[slot].data_len = 0; - wmb(); - dev->rx_desc[slot].ctrl = MAL_RX_CTRL_EMPTY | - (slot == (NUM_RX_BUFF - 1) ? MAL_RX_CTRL_WRAP : 0); -} - -static void emac_parse_rx_error(struct emac_instance *dev, u16 ctrl) -{ - struct emac_error_stats *st = &dev->estats; - - DBG(dev, "BD RX error %04x" NL, ctrl); - - ++st->rx_bd_errors; - if (ctrl & EMAC_RX_ST_OE) - ++st->rx_bd_overrun; - if (ctrl & EMAC_RX_ST_BP) - ++st->rx_bd_bad_packet; - if (ctrl & EMAC_RX_ST_RP) - ++st->rx_bd_runt_packet; - if (ctrl & EMAC_RX_ST_SE) - ++st->rx_bd_short_event; - if (ctrl & EMAC_RX_ST_AE) - ++st->rx_bd_alignment_error; - if (ctrl & EMAC_RX_ST_BFCS) - ++st->rx_bd_bad_fcs; - if (ctrl & EMAC_RX_ST_PTL) - ++st->rx_bd_packet_too_long; - if (ctrl & EMAC_RX_ST_ORE) - ++st->rx_bd_out_of_range; - if (ctrl & EMAC_RX_ST_IRE) - ++st->rx_bd_in_range; -} - -static inline void emac_rx_csum(struct emac_instance *dev, - struct sk_buff *skb, u16 ctrl) -{ -#ifdef CONFIG_IBM_EMAC_TAH - if (!ctrl && dev->tah_dev) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - ++dev->stats.rx_packets_csum; - } -#endif -} - -static inline int emac_rx_sg_append(struct emac_instance *dev, int slot) -{ - if (likely(dev->rx_sg_skb != NULL)) { - int len = dev->rx_desc[slot].data_len; - int tot_len = dev->rx_sg_skb->len + len; - - if (unlikely(tot_len + 2 > dev->rx_skb_size)) { - ++dev->estats.rx_dropped_mtu; - dev_kfree_skb(dev->rx_sg_skb); - dev->rx_sg_skb = NULL; - } else { - cacheable_memcpy(skb_tail_pointer(dev->rx_sg_skb), - dev->rx_skb[slot]->data, len); - skb_put(dev->rx_sg_skb, len); - emac_recycle_rx_skb(dev, slot, len); - return 0; - } - } - emac_recycle_rx_skb(dev, slot, 0); - return -1; -} - -/* NAPI poll context */ -static int emac_poll_rx(void *param, int budget) -{ - struct emac_instance *dev = param; - int slot = dev->rx_slot, received = 0; - - DBG2(dev, "poll_rx(%d)" NL, budget); - - again: - while (budget > 0) { - int len; - struct sk_buff *skb; - u16 ctrl = dev->rx_desc[slot].ctrl; - - if (ctrl & MAL_RX_CTRL_EMPTY) - break; - - skb = dev->rx_skb[slot]; - mb(); - len = dev->rx_desc[slot].data_len; - - if (unlikely(!MAL_IS_SINGLE_RX(ctrl))) - goto sg; - - ctrl &= EMAC_BAD_RX_MASK; - if (unlikely(ctrl && ctrl != EMAC_RX_TAH_BAD_CSUM)) { - emac_parse_rx_error(dev, ctrl); - ++dev->estats.rx_dropped_error; - emac_recycle_rx_skb(dev, slot, 0); - len = 0; - goto next; - } - - if (len < ETH_HLEN) { - ++dev->estats.rx_dropped_stack; - emac_recycle_rx_skb(dev, slot, len); - goto next; - } - - if (len && len < EMAC_RX_COPY_THRESH) { - struct sk_buff *copy_skb = - alloc_skb(len + EMAC_RX_SKB_HEADROOM + 2, GFP_ATOMIC); - if (unlikely(!copy_skb)) - goto oom; - - skb_reserve(copy_skb, EMAC_RX_SKB_HEADROOM + 2); - cacheable_memcpy(copy_skb->data - 2, skb->data - 2, - len + 2); - emac_recycle_rx_skb(dev, slot, len); - skb = copy_skb; - } else if (unlikely(emac_alloc_rx_skb(dev, slot, GFP_ATOMIC))) - goto oom; - - skb_put(skb, len); - push_packet: - skb->protocol = eth_type_trans(skb, dev->ndev); - emac_rx_csum(dev, skb, ctrl); - - if (unlikely(netif_receive_skb(skb) == NET_RX_DROP)) - ++dev->estats.rx_dropped_stack; - next: - ++dev->stats.rx_packets; - skip: - dev->stats.rx_bytes += len; - slot = (slot + 1) % NUM_RX_BUFF; - --budget; - ++received; - continue; - sg: - if (ctrl & MAL_RX_CTRL_FIRST) { - BUG_ON(dev->rx_sg_skb); - if (unlikely(emac_alloc_rx_skb(dev, slot, GFP_ATOMIC))) { - DBG(dev, "rx OOM %d" NL, slot); - ++dev->estats.rx_dropped_oom; - emac_recycle_rx_skb(dev, slot, 0); - } else { - dev->rx_sg_skb = skb; - skb_put(skb, len); - } - } else if (!emac_rx_sg_append(dev, slot) && - (ctrl & MAL_RX_CTRL_LAST)) { - - skb = dev->rx_sg_skb; - dev->rx_sg_skb = NULL; - - ctrl &= EMAC_BAD_RX_MASK; - if (unlikely(ctrl && ctrl != EMAC_RX_TAH_BAD_CSUM)) { - emac_parse_rx_error(dev, ctrl); - ++dev->estats.rx_dropped_error; - dev_kfree_skb(skb); - len = 0; - } else - goto push_packet; - } - goto skip; - oom: - DBG(dev, "rx OOM %d" NL, slot); - /* Drop the packet and recycle skb */ - ++dev->estats.rx_dropped_oom; - emac_recycle_rx_skb(dev, slot, 0); - goto next; - } - - if (received) { - DBG2(dev, "rx %d BDs" NL, received); - dev->rx_slot = slot; - } - - if (unlikely(budget && test_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags))) { - mb(); - if (!(dev->rx_desc[slot].ctrl & MAL_RX_CTRL_EMPTY)) { - DBG2(dev, "rx restart" NL); - received = 0; - goto again; - } - - if (dev->rx_sg_skb) { - DBG2(dev, "dropping partial rx packet" NL); - ++dev->estats.rx_dropped_error; - dev_kfree_skb(dev->rx_sg_skb); - dev->rx_sg_skb = NULL; - } - - clear_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags); - mal_enable_rx_channel(dev->mal, dev->mal_rx_chan); - emac_rx_enable(dev); - dev->rx_slot = 0; - } - return received; -} - -/* NAPI poll context */ -static int emac_peek_rx(void *param) -{ - struct emac_instance *dev = param; - - return !(dev->rx_desc[dev->rx_slot].ctrl & MAL_RX_CTRL_EMPTY); -} - -/* NAPI poll context */ -static int emac_peek_rx_sg(void *param) -{ - struct emac_instance *dev = param; - - int slot = dev->rx_slot; - while (1) { - u16 ctrl = dev->rx_desc[slot].ctrl; - if (ctrl & MAL_RX_CTRL_EMPTY) - return 0; - else if (ctrl & MAL_RX_CTRL_LAST) - return 1; - - slot = (slot + 1) % NUM_RX_BUFF; - - /* I'm just being paranoid here :) */ - if (unlikely(slot == dev->rx_slot)) - return 0; - } -} - -/* Hard IRQ */ -static void emac_rxde(void *param) -{ - struct emac_instance *dev = param; - - ++dev->estats.rx_stopped; - emac_rx_disable_async(dev); -} - -/* Hard IRQ */ -static irqreturn_t emac_irq(int irq, void *dev_instance) -{ - struct emac_instance *dev = dev_instance; - struct emac_regs __iomem *p = dev->emacp; - struct emac_error_stats *st = &dev->estats; - u32 isr; - - spin_lock(&dev->lock); - - isr = in_be32(&p->isr); - out_be32(&p->isr, isr); - - DBG(dev, "isr = %08x" NL, isr); - - if (isr & EMAC4_ISR_TXPE) - ++st->tx_parity; - if (isr & EMAC4_ISR_RXPE) - ++st->rx_parity; - if (isr & EMAC4_ISR_TXUE) - ++st->tx_underrun; - if (isr & EMAC4_ISR_RXOE) - ++st->rx_fifo_overrun; - if (isr & EMAC_ISR_OVR) - ++st->rx_overrun; - if (isr & EMAC_ISR_BP) - ++st->rx_bad_packet; - if (isr & EMAC_ISR_RP) - ++st->rx_runt_packet; - if (isr & EMAC_ISR_SE) - ++st->rx_short_event; - if (isr & EMAC_ISR_ALE) - ++st->rx_alignment_error; - if (isr & EMAC_ISR_BFCS) - ++st->rx_bad_fcs; - if (isr & EMAC_ISR_PTLE) - ++st->rx_packet_too_long; - if (isr & EMAC_ISR_ORE) - ++st->rx_out_of_range; - if (isr & EMAC_ISR_IRE) - ++st->rx_in_range; - if (isr & EMAC_ISR_SQE) - ++st->tx_sqe; - if (isr & EMAC_ISR_TE) - ++st->tx_errors; - - spin_unlock(&dev->lock); - - return IRQ_HANDLED; -} - -static struct net_device_stats *emac_stats(struct net_device *ndev) -{ - struct emac_instance *dev = netdev_priv(ndev); - struct emac_stats *st = &dev->stats; - struct emac_error_stats *est = &dev->estats; - struct net_device_stats *nst = &dev->nstats; - unsigned long flags; - - DBG2(dev, "stats" NL); - - /* Compute "legacy" statistics */ - spin_lock_irqsave(&dev->lock, flags); - nst->rx_packets = (unsigned long)st->rx_packets; - nst->rx_bytes = (unsigned long)st->rx_bytes; - nst->tx_packets = (unsigned long)st->tx_packets; - nst->tx_bytes = (unsigned long)st->tx_bytes; - nst->rx_dropped = (unsigned long)(est->rx_dropped_oom + - est->rx_dropped_error + - est->rx_dropped_resize + - est->rx_dropped_mtu); - nst->tx_dropped = (unsigned long)est->tx_dropped; - - nst->rx_errors = (unsigned long)est->rx_bd_errors; - nst->rx_fifo_errors = (unsigned long)(est->rx_bd_overrun + - est->rx_fifo_overrun + - est->rx_overrun); - nst->rx_frame_errors = (unsigned long)(est->rx_bd_alignment_error + - est->rx_alignment_error); - nst->rx_crc_errors = (unsigned long)(est->rx_bd_bad_fcs + - est->rx_bad_fcs); - nst->rx_length_errors = (unsigned long)(est->rx_bd_runt_packet + - est->rx_bd_short_event + - est->rx_bd_packet_too_long + - est->rx_bd_out_of_range + - est->rx_bd_in_range + - est->rx_runt_packet + - est->rx_short_event + - est->rx_packet_too_long + - est->rx_out_of_range + - est->rx_in_range); - - nst->tx_errors = (unsigned long)(est->tx_bd_errors + est->tx_errors); - nst->tx_fifo_errors = (unsigned long)(est->tx_bd_underrun + - est->tx_underrun); - nst->tx_carrier_errors = (unsigned long)est->tx_bd_carrier_loss; - nst->collisions = (unsigned long)(est->tx_bd_excessive_deferral + - est->tx_bd_excessive_collisions + - est->tx_bd_late_collision + - est->tx_bd_multple_collisions); - spin_unlock_irqrestore(&dev->lock, flags); - return nst; -} - -static struct mal_commac_ops emac_commac_ops = { - .poll_tx = &emac_poll_tx, - .poll_rx = &emac_poll_rx, - .peek_rx = &emac_peek_rx, - .rxde = &emac_rxde, -}; - -static struct mal_commac_ops emac_commac_sg_ops = { - .poll_tx = &emac_poll_tx, - .poll_rx = &emac_poll_rx, - .peek_rx = &emac_peek_rx_sg, - .rxde = &emac_rxde, -}; - -/* Ethtool support */ -static int emac_ethtool_get_settings(struct net_device *ndev, - struct ethtool_cmd *cmd) -{ - struct emac_instance *dev = netdev_priv(ndev); - - cmd->supported = dev->phy.features; - cmd->port = PORT_MII; - cmd->phy_address = dev->phy.address; - cmd->transceiver = - dev->phy.address >= 0 ? XCVR_EXTERNAL : XCVR_INTERNAL; - - mutex_lock(&dev->link_lock); - cmd->advertising = dev->phy.advertising; - cmd->autoneg = dev->phy.autoneg; - cmd->speed = dev->phy.speed; - cmd->duplex = dev->phy.duplex; - mutex_unlock(&dev->link_lock); - - return 0; -} - -static int emac_ethtool_set_settings(struct net_device *ndev, - struct ethtool_cmd *cmd) -{ - struct emac_instance *dev = netdev_priv(ndev); - u32 f = dev->phy.features; - - DBG(dev, "set_settings(%d, %d, %d, 0x%08x)" NL, - cmd->autoneg, cmd->speed, cmd->duplex, cmd->advertising); - - /* Basic sanity checks */ - if (dev->phy.address < 0) - return -EOPNOTSUPP; - if (cmd->autoneg != AUTONEG_ENABLE && cmd->autoneg != AUTONEG_DISABLE) - return -EINVAL; - if (cmd->autoneg == AUTONEG_ENABLE && cmd->advertising == 0) - return -EINVAL; - if (cmd->duplex != DUPLEX_HALF && cmd->duplex != DUPLEX_FULL) - return -EINVAL; - - if (cmd->autoneg == AUTONEG_DISABLE) { - switch (cmd->speed) { - case SPEED_10: - if (cmd->duplex == DUPLEX_HALF && - !(f & SUPPORTED_10baseT_Half)) - return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && - !(f & SUPPORTED_10baseT_Full)) - return -EINVAL; - break; - case SPEED_100: - if (cmd->duplex == DUPLEX_HALF && - !(f & SUPPORTED_100baseT_Half)) - return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && - !(f & SUPPORTED_100baseT_Full)) - return -EINVAL; - break; - case SPEED_1000: - if (cmd->duplex == DUPLEX_HALF && - !(f & SUPPORTED_1000baseT_Half)) - return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && - !(f & SUPPORTED_1000baseT_Full)) - return -EINVAL; - break; - default: - return -EINVAL; - } - - mutex_lock(&dev->link_lock); - dev->phy.def->ops->setup_forced(&dev->phy, cmd->speed, - cmd->duplex); - mutex_unlock(&dev->link_lock); - - } else { - if (!(f & SUPPORTED_Autoneg)) - return -EINVAL; - - mutex_lock(&dev->link_lock); - dev->phy.def->ops->setup_aneg(&dev->phy, - (cmd->advertising & f) | - (dev->phy.advertising & - (ADVERTISED_Pause | - ADVERTISED_Asym_Pause))); - mutex_unlock(&dev->link_lock); - } - emac_force_link_update(dev); - - return 0; -} - -static void emac_ethtool_get_ringparam(struct net_device *ndev, - struct ethtool_ringparam *rp) -{ - rp->rx_max_pending = rp->rx_pending = NUM_RX_BUFF; - rp->tx_max_pending = rp->tx_pending = NUM_TX_BUFF; -} - -static void emac_ethtool_get_pauseparam(struct net_device *ndev, - struct ethtool_pauseparam *pp) -{ - struct emac_instance *dev = netdev_priv(ndev); - - mutex_lock(&dev->link_lock); - if ((dev->phy.features & SUPPORTED_Autoneg) && - (dev->phy.advertising & (ADVERTISED_Pause | ADVERTISED_Asym_Pause))) - pp->autoneg = 1; - - if (dev->phy.duplex == DUPLEX_FULL) { - if (dev->phy.pause) - pp->rx_pause = pp->tx_pause = 1; - else if (dev->phy.asym_pause) - pp->tx_pause = 1; - } - mutex_unlock(&dev->link_lock); -} - -static int emac_get_regs_len(struct emac_instance *dev) -{ - if (emac_has_feature(dev, EMAC_FTR_EMAC4)) - return sizeof(struct emac_ethtool_regs_subhdr) + - EMAC4_ETHTOOL_REGS_SIZE(dev); - else - return sizeof(struct emac_ethtool_regs_subhdr) + - EMAC_ETHTOOL_REGS_SIZE(dev); -} - -static int emac_ethtool_get_regs_len(struct net_device *ndev) -{ - struct emac_instance *dev = netdev_priv(ndev); - int size; - - size = sizeof(struct emac_ethtool_regs_hdr) + - emac_get_regs_len(dev) + mal_get_regs_len(dev->mal); - if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII)) - size += zmii_get_regs_len(dev->zmii_dev); - if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) - size += rgmii_get_regs_len(dev->rgmii_dev); - if (emac_has_feature(dev, EMAC_FTR_HAS_TAH)) - size += tah_get_regs_len(dev->tah_dev); - - return size; -} - -static void *emac_dump_regs(struct emac_instance *dev, void *buf) -{ - struct emac_ethtool_regs_subhdr *hdr = buf; - - hdr->index = dev->cell_index; - if (emac_has_feature(dev, EMAC_FTR_EMAC4)) { - hdr->version = EMAC4_ETHTOOL_REGS_VER; - memcpy_fromio(hdr + 1, dev->emacp, EMAC4_ETHTOOL_REGS_SIZE(dev)); - return (void *)(hdr + 1) + EMAC4_ETHTOOL_REGS_SIZE(dev); - } else { - hdr->version = EMAC_ETHTOOL_REGS_VER; - memcpy_fromio(hdr + 1, dev->emacp, EMAC_ETHTOOL_REGS_SIZE(dev)); - return (void *)(hdr + 1) + EMAC_ETHTOOL_REGS_SIZE(dev); - } -} - -static void emac_ethtool_get_regs(struct net_device *ndev, - struct ethtool_regs *regs, void *buf) -{ - struct emac_instance *dev = netdev_priv(ndev); - struct emac_ethtool_regs_hdr *hdr = buf; - - hdr->components = 0; - buf = hdr + 1; - - buf = mal_dump_regs(dev->mal, buf); - buf = emac_dump_regs(dev, buf); - if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII)) { - hdr->components |= EMAC_ETHTOOL_REGS_ZMII; - buf = zmii_dump_regs(dev->zmii_dev, buf); - } - if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) { - hdr->components |= EMAC_ETHTOOL_REGS_RGMII; - buf = rgmii_dump_regs(dev->rgmii_dev, buf); - } - if (emac_has_feature(dev, EMAC_FTR_HAS_TAH)) { - hdr->components |= EMAC_ETHTOOL_REGS_TAH; - buf = tah_dump_regs(dev->tah_dev, buf); - } -} - -static int emac_ethtool_nway_reset(struct net_device *ndev) -{ - struct emac_instance *dev = netdev_priv(ndev); - int res = 0; - - DBG(dev, "nway_reset" NL); - - if (dev->phy.address < 0) - return -EOPNOTSUPP; - - mutex_lock(&dev->link_lock); - if (!dev->phy.autoneg) { - res = -EINVAL; - goto out; - } - - dev->phy.def->ops->setup_aneg(&dev->phy, dev->phy.advertising); - out: - mutex_unlock(&dev->link_lock); - emac_force_link_update(dev); - return res; -} - -static int emac_ethtool_get_sset_count(struct net_device *ndev, int stringset) -{ - if (stringset == ETH_SS_STATS) - return EMAC_ETHTOOL_STATS_COUNT; - else - return -EINVAL; -} - -static void emac_ethtool_get_strings(struct net_device *ndev, u32 stringset, - u8 * buf) -{ - if (stringset == ETH_SS_STATS) - memcpy(buf, &emac_stats_keys, sizeof(emac_stats_keys)); -} - -static void emac_ethtool_get_ethtool_stats(struct net_device *ndev, - struct ethtool_stats *estats, - u64 * tmp_stats) -{ - struct emac_instance *dev = netdev_priv(ndev); - - memcpy(tmp_stats, &dev->stats, sizeof(dev->stats)); - tmp_stats += sizeof(dev->stats) / sizeof(u64); - memcpy(tmp_stats, &dev->estats, sizeof(dev->estats)); -} - -static void emac_ethtool_get_drvinfo(struct net_device *ndev, - struct ethtool_drvinfo *info) -{ - struct emac_instance *dev = netdev_priv(ndev); - - strcpy(info->driver, "ibm_emac"); - strcpy(info->version, DRV_VERSION); - info->fw_version[0] = '\0'; - sprintf(info->bus_info, "PPC 4xx EMAC-%d %s", - dev->cell_index, dev->ofdev->dev.of_node->full_name); - info->regdump_len = emac_ethtool_get_regs_len(ndev); -} - -static const struct ethtool_ops emac_ethtool_ops = { - .get_settings = emac_ethtool_get_settings, - .set_settings = emac_ethtool_set_settings, - .get_drvinfo = emac_ethtool_get_drvinfo, - - .get_regs_len = emac_ethtool_get_regs_len, - .get_regs = emac_ethtool_get_regs, - - .nway_reset = emac_ethtool_nway_reset, - - .get_ringparam = emac_ethtool_get_ringparam, - .get_pauseparam = emac_ethtool_get_pauseparam, - - .get_strings = emac_ethtool_get_strings, - .get_sset_count = emac_ethtool_get_sset_count, - .get_ethtool_stats = emac_ethtool_get_ethtool_stats, - - .get_link = ethtool_op_get_link, -}; - -static int emac_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) -{ - struct emac_instance *dev = netdev_priv(ndev); - struct mii_ioctl_data *data = if_mii(rq); - - DBG(dev, "ioctl %08x" NL, cmd); - - if (dev->phy.address < 0) - return -EOPNOTSUPP; - - switch (cmd) { - case SIOCGMIIPHY: - data->phy_id = dev->phy.address; - /* Fall through */ - case SIOCGMIIREG: - data->val_out = emac_mdio_read(ndev, dev->phy.address, - data->reg_num); - return 0; - - case SIOCSMIIREG: - emac_mdio_write(ndev, dev->phy.address, data->reg_num, - data->val_in); - return 0; - default: - return -EOPNOTSUPP; - } -} - -struct emac_depentry { - u32 phandle; - struct device_node *node; - struct platform_device *ofdev; - void *drvdata; -}; - -#define EMAC_DEP_MAL_IDX 0 -#define EMAC_DEP_ZMII_IDX 1 -#define EMAC_DEP_RGMII_IDX 2 -#define EMAC_DEP_TAH_IDX 3 -#define EMAC_DEP_MDIO_IDX 4 -#define EMAC_DEP_PREV_IDX 5 -#define EMAC_DEP_COUNT 6 - -static int __devinit emac_check_deps(struct emac_instance *dev, - struct emac_depentry *deps) -{ - int i, there = 0; - struct device_node *np; - - for (i = 0; i < EMAC_DEP_COUNT; i++) { - /* no dependency on that item, allright */ - if (deps[i].phandle == 0) { - there++; - continue; - } - /* special case for blist as the dependency might go away */ - if (i == EMAC_DEP_PREV_IDX) { - np = *(dev->blist - 1); - if (np == NULL) { - deps[i].phandle = 0; - there++; - continue; - } - if (deps[i].node == NULL) - deps[i].node = of_node_get(np); - } - if (deps[i].node == NULL) - deps[i].node = of_find_node_by_phandle(deps[i].phandle); - if (deps[i].node == NULL) - continue; - if (deps[i].ofdev == NULL) - deps[i].ofdev = of_find_device_by_node(deps[i].node); - if (deps[i].ofdev == NULL) - continue; - if (deps[i].drvdata == NULL) - deps[i].drvdata = dev_get_drvdata(&deps[i].ofdev->dev); - if (deps[i].drvdata != NULL) - there++; - } - return there == EMAC_DEP_COUNT; -} - -static void emac_put_deps(struct emac_instance *dev) -{ - if (dev->mal_dev) - of_dev_put(dev->mal_dev); - if (dev->zmii_dev) - of_dev_put(dev->zmii_dev); - if (dev->rgmii_dev) - of_dev_put(dev->rgmii_dev); - if (dev->mdio_dev) - of_dev_put(dev->mdio_dev); - if (dev->tah_dev) - of_dev_put(dev->tah_dev); -} - -static int __devinit emac_of_bus_notify(struct notifier_block *nb, - unsigned long action, void *data) -{ - /* We are only intereted in device addition */ - if (action == BUS_NOTIFY_BOUND_DRIVER) - wake_up_all(&emac_probe_wait); - return 0; -} - -static struct notifier_block emac_of_bus_notifier __devinitdata = { - .notifier_call = emac_of_bus_notify -}; - -static int __devinit emac_wait_deps(struct emac_instance *dev) -{ - struct emac_depentry deps[EMAC_DEP_COUNT]; - int i, err; - - memset(&deps, 0, sizeof(deps)); - - deps[EMAC_DEP_MAL_IDX].phandle = dev->mal_ph; - deps[EMAC_DEP_ZMII_IDX].phandle = dev->zmii_ph; - deps[EMAC_DEP_RGMII_IDX].phandle = dev->rgmii_ph; - if (dev->tah_ph) - deps[EMAC_DEP_TAH_IDX].phandle = dev->tah_ph; - if (dev->mdio_ph) - deps[EMAC_DEP_MDIO_IDX].phandle = dev->mdio_ph; - if (dev->blist && dev->blist > emac_boot_list) - deps[EMAC_DEP_PREV_IDX].phandle = 0xffffffffu; - bus_register_notifier(&platform_bus_type, &emac_of_bus_notifier); - wait_event_timeout(emac_probe_wait, - emac_check_deps(dev, deps), - EMAC_PROBE_DEP_TIMEOUT); - bus_unregister_notifier(&platform_bus_type, &emac_of_bus_notifier); - err = emac_check_deps(dev, deps) ? 0 : -ENODEV; - for (i = 0; i < EMAC_DEP_COUNT; i++) { - if (deps[i].node) - of_node_put(deps[i].node); - if (err && deps[i].ofdev) - of_dev_put(deps[i].ofdev); - } - if (err == 0) { - dev->mal_dev = deps[EMAC_DEP_MAL_IDX].ofdev; - dev->zmii_dev = deps[EMAC_DEP_ZMII_IDX].ofdev; - dev->rgmii_dev = deps[EMAC_DEP_RGMII_IDX].ofdev; - dev->tah_dev = deps[EMAC_DEP_TAH_IDX].ofdev; - dev->mdio_dev = deps[EMAC_DEP_MDIO_IDX].ofdev; - } - if (deps[EMAC_DEP_PREV_IDX].ofdev) - of_dev_put(deps[EMAC_DEP_PREV_IDX].ofdev); - return err; -} - -static int __devinit emac_read_uint_prop(struct device_node *np, const char *name, - u32 *val, int fatal) -{ - int len; - const u32 *prop = of_get_property(np, name, &len); - if (prop == NULL || len < sizeof(u32)) { - if (fatal) - printk(KERN_ERR "%s: missing %s property\n", - np->full_name, name); - return -ENODEV; - } - *val = *prop; - return 0; -} - -static int __devinit emac_init_phy(struct emac_instance *dev) -{ - struct device_node *np = dev->ofdev->dev.of_node; - struct net_device *ndev = dev->ndev; - u32 phy_map, adv; - int i; - - dev->phy.dev = ndev; - dev->phy.mode = dev->phy_mode; - - /* PHY-less configuration. - * XXX I probably should move these settings to the dev tree - */ - if (dev->phy_address == 0xffffffff && dev->phy_map == 0xffffffff) { - emac_reset(dev); - - /* PHY-less configuration. - * XXX I probably should move these settings to the dev tree - */ - dev->phy.address = -1; - dev->phy.features = SUPPORTED_MII; - if (emac_phy_supports_gige(dev->phy_mode)) - dev->phy.features |= SUPPORTED_1000baseT_Full; - else - dev->phy.features |= SUPPORTED_100baseT_Full; - dev->phy.pause = 1; - - return 0; - } - - mutex_lock(&emac_phy_map_lock); - phy_map = dev->phy_map | busy_phy_map; - - DBG(dev, "PHY maps %08x %08x" NL, dev->phy_map, busy_phy_map); - - dev->phy.mdio_read = emac_mdio_read; - dev->phy.mdio_write = emac_mdio_write; - - /* Enable internal clock source */ -#ifdef CONFIG_PPC_DCR_NATIVE - if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX)) - dcri_clrset(SDR0, SDR0_MFR, 0, SDR0_MFR_ECS); -#endif - /* PHY clock workaround */ - emac_rx_clk_tx(dev); - - /* Enable internal clock source on 440GX*/ -#ifdef CONFIG_PPC_DCR_NATIVE - if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX)) - dcri_clrset(SDR0, SDR0_MFR, 0, SDR0_MFR_ECS); -#endif - /* Configure EMAC with defaults so we can at least use MDIO - * This is needed mostly for 440GX - */ - if (emac_phy_gpcs(dev->phy.mode)) { - /* XXX - * Make GPCS PHY address equal to EMAC index. - * We probably should take into account busy_phy_map - * and/or phy_map here. - * - * Note that the busy_phy_map is currently global - * while it should probably be per-ASIC... - */ - dev->phy.gpcs_address = dev->gpcs_address; - if (dev->phy.gpcs_address == 0xffffffff) - dev->phy.address = dev->cell_index; - } - - emac_configure(dev); - - if (dev->phy_address != 0xffffffff) - phy_map = ~(1 << dev->phy_address); - - for (i = 0; i < 0x20; phy_map >>= 1, ++i) - if (!(phy_map & 1)) { - int r; - busy_phy_map |= 1 << i; - - /* Quick check if there is a PHY at the address */ - r = emac_mdio_read(dev->ndev, i, MII_BMCR); - if (r == 0xffff || r < 0) - continue; - if (!emac_mii_phy_probe(&dev->phy, i)) - break; - } - - /* Enable external clock source */ -#ifdef CONFIG_PPC_DCR_NATIVE - if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX)) - dcri_clrset(SDR0, SDR0_MFR, SDR0_MFR_ECS, 0); -#endif - mutex_unlock(&emac_phy_map_lock); - if (i == 0x20) { - printk(KERN_WARNING "%s: can't find PHY!\n", np->full_name); - return -ENXIO; - } - - /* Init PHY */ - if (dev->phy.def->ops->init) - dev->phy.def->ops->init(&dev->phy); - - /* Disable any PHY features not supported by the platform */ - dev->phy.def->features &= ~dev->phy_feat_exc; - dev->phy.features &= ~dev->phy_feat_exc; - - /* Setup initial link parameters */ - if (dev->phy.features & SUPPORTED_Autoneg) { - adv = dev->phy.features; - if (!emac_has_feature(dev, EMAC_FTR_NO_FLOW_CONTROL_40x)) - adv |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; - /* Restart autonegotiation */ - dev->phy.def->ops->setup_aneg(&dev->phy, adv); - } else { - u32 f = dev->phy.def->features; - int speed = SPEED_10, fd = DUPLEX_HALF; - - /* Select highest supported speed/duplex */ - if (f & SUPPORTED_1000baseT_Full) { - speed = SPEED_1000; - fd = DUPLEX_FULL; - } else if (f & SUPPORTED_1000baseT_Half) - speed = SPEED_1000; - else if (f & SUPPORTED_100baseT_Full) { - speed = SPEED_100; - fd = DUPLEX_FULL; - } else if (f & SUPPORTED_100baseT_Half) - speed = SPEED_100; - else if (f & SUPPORTED_10baseT_Full) - fd = DUPLEX_FULL; - - /* Force link parameters */ - dev->phy.def->ops->setup_forced(&dev->phy, speed, fd); - } - return 0; -} - -static int __devinit emac_init_config(struct emac_instance *dev) -{ - struct device_node *np = dev->ofdev->dev.of_node; - const void *p; - - /* Read config from device-tree */ - if (emac_read_uint_prop(np, "mal-device", &dev->mal_ph, 1)) - return -ENXIO; - if (emac_read_uint_prop(np, "mal-tx-channel", &dev->mal_tx_chan, 1)) - return -ENXIO; - if (emac_read_uint_prop(np, "mal-rx-channel", &dev->mal_rx_chan, 1)) - return -ENXIO; - if (emac_read_uint_prop(np, "cell-index", &dev->cell_index, 1)) - return -ENXIO; - if (emac_read_uint_prop(np, "max-frame-size", &dev->max_mtu, 0)) - dev->max_mtu = 1500; - if (emac_read_uint_prop(np, "rx-fifo-size", &dev->rx_fifo_size, 0)) - dev->rx_fifo_size = 2048; - if (emac_read_uint_prop(np, "tx-fifo-size", &dev->tx_fifo_size, 0)) - dev->tx_fifo_size = 2048; - if (emac_read_uint_prop(np, "rx-fifo-size-gige", &dev->rx_fifo_size_gige, 0)) - dev->rx_fifo_size_gige = dev->rx_fifo_size; - if (emac_read_uint_prop(np, "tx-fifo-size-gige", &dev->tx_fifo_size_gige, 0)) - dev->tx_fifo_size_gige = dev->tx_fifo_size; - if (emac_read_uint_prop(np, "phy-address", &dev->phy_address, 0)) - dev->phy_address = 0xffffffff; - if (emac_read_uint_prop(np, "phy-map", &dev->phy_map, 0)) - dev->phy_map = 0xffffffff; - if (emac_read_uint_prop(np, "gpcs-address", &dev->gpcs_address, 0)) - dev->gpcs_address = 0xffffffff; - if (emac_read_uint_prop(np->parent, "clock-frequency", &dev->opb_bus_freq, 1)) - return -ENXIO; - if (emac_read_uint_prop(np, "tah-device", &dev->tah_ph, 0)) - dev->tah_ph = 0; - if (emac_read_uint_prop(np, "tah-channel", &dev->tah_port, 0)) - dev->tah_port = 0; - if (emac_read_uint_prop(np, "mdio-device", &dev->mdio_ph, 0)) - dev->mdio_ph = 0; - if (emac_read_uint_prop(np, "zmii-device", &dev->zmii_ph, 0)) - dev->zmii_ph = 0; - if (emac_read_uint_prop(np, "zmii-channel", &dev->zmii_port, 0)) - dev->zmii_port = 0xffffffff; - if (emac_read_uint_prop(np, "rgmii-device", &dev->rgmii_ph, 0)) - dev->rgmii_ph = 0; - if (emac_read_uint_prop(np, "rgmii-channel", &dev->rgmii_port, 0)) - dev->rgmii_port = 0xffffffff; - if (emac_read_uint_prop(np, "fifo-entry-size", &dev->fifo_entry_size, 0)) - dev->fifo_entry_size = 16; - if (emac_read_uint_prop(np, "mal-burst-size", &dev->mal_burst_size, 0)) - dev->mal_burst_size = 256; - - /* PHY mode needs some decoding */ - dev->phy_mode = of_get_phy_mode(np); - if (dev->phy_mode < 0) - dev->phy_mode = PHY_MODE_NA; - - /* Check EMAC version */ - if (of_device_is_compatible(np, "ibm,emac4sync")) { - dev->features |= (EMAC_FTR_EMAC4 | EMAC_FTR_EMAC4SYNC); - if (of_device_is_compatible(np, "ibm,emac-460ex") || - of_device_is_compatible(np, "ibm,emac-460gt")) - dev->features |= EMAC_FTR_460EX_PHY_CLK_FIX; - if (of_device_is_compatible(np, "ibm,emac-405ex") || - of_device_is_compatible(np, "ibm,emac-405exr")) - dev->features |= EMAC_FTR_440EP_PHY_CLK_FIX; - if (of_device_is_compatible(np, "ibm,emac-apm821xx")) { - dev->features |= (EMAC_APM821XX_REQ_JUMBO_FRAME_SIZE | - EMAC_FTR_APM821XX_NO_HALF_DUPLEX | - EMAC_FTR_460EX_PHY_CLK_FIX); - } - } else if (of_device_is_compatible(np, "ibm,emac4")) { - dev->features |= EMAC_FTR_EMAC4; - if (of_device_is_compatible(np, "ibm,emac-440gx")) - dev->features |= EMAC_FTR_440GX_PHY_CLK_FIX; - } else { - if (of_device_is_compatible(np, "ibm,emac-440ep") || - of_device_is_compatible(np, "ibm,emac-440gr")) - dev->features |= EMAC_FTR_440EP_PHY_CLK_FIX; - if (of_device_is_compatible(np, "ibm,emac-405ez")) { -#ifdef CONFIG_IBM_EMAC_NO_FLOW_CTRL - dev->features |= EMAC_FTR_NO_FLOW_CONTROL_40x; -#else - printk(KERN_ERR "%s: Flow control not disabled!\n", - np->full_name); - return -ENXIO; -#endif - } - - } - - /* Fixup some feature bits based on the device tree */ - if (of_get_property(np, "has-inverted-stacr-oc", NULL)) - dev->features |= EMAC_FTR_STACR_OC_INVERT; - if (of_get_property(np, "has-new-stacr-staopc", NULL)) - dev->features |= EMAC_FTR_HAS_NEW_STACR; - - /* CAB lacks the appropriate properties */ - if (of_device_is_compatible(np, "ibm,emac-axon")) - dev->features |= EMAC_FTR_HAS_NEW_STACR | - EMAC_FTR_STACR_OC_INVERT; - - /* Enable TAH/ZMII/RGMII features as found */ - if (dev->tah_ph != 0) { -#ifdef CONFIG_IBM_EMAC_TAH - dev->features |= EMAC_FTR_HAS_TAH; -#else - printk(KERN_ERR "%s: TAH support not enabled !\n", - np->full_name); - return -ENXIO; -#endif - } - - if (dev->zmii_ph != 0) { -#ifdef CONFIG_IBM_EMAC_ZMII - dev->features |= EMAC_FTR_HAS_ZMII; -#else - printk(KERN_ERR "%s: ZMII support not enabled !\n", - np->full_name); - return -ENXIO; -#endif - } - - if (dev->rgmii_ph != 0) { -#ifdef CONFIG_IBM_EMAC_RGMII - dev->features |= EMAC_FTR_HAS_RGMII; -#else - printk(KERN_ERR "%s: RGMII support not enabled !\n", - np->full_name); - return -ENXIO; -#endif - } - - /* Read MAC-address */ - p = of_get_property(np, "local-mac-address", NULL); - if (p == NULL) { - printk(KERN_ERR "%s: Can't find local-mac-address property\n", - np->full_name); - return -ENXIO; - } - memcpy(dev->ndev->dev_addr, p, 6); - - /* IAHT and GAHT filter parameterization */ - if (emac_has_feature(dev, EMAC_FTR_EMAC4SYNC)) { - dev->xaht_slots_shift = EMAC4SYNC_XAHT_SLOTS_SHIFT; - dev->xaht_width_shift = EMAC4SYNC_XAHT_WIDTH_SHIFT; - } else { - dev->xaht_slots_shift = EMAC4_XAHT_SLOTS_SHIFT; - dev->xaht_width_shift = EMAC4_XAHT_WIDTH_SHIFT; - } - - DBG(dev, "features : 0x%08x / 0x%08x\n", dev->features, EMAC_FTRS_POSSIBLE); - DBG(dev, "tx_fifo_size : %d (%d gige)\n", dev->tx_fifo_size, dev->tx_fifo_size_gige); - DBG(dev, "rx_fifo_size : %d (%d gige)\n", dev->rx_fifo_size, dev->rx_fifo_size_gige); - DBG(dev, "max_mtu : %d\n", dev->max_mtu); - DBG(dev, "OPB freq : %d\n", dev->opb_bus_freq); - - return 0; -} - -static const struct net_device_ops emac_netdev_ops = { - .ndo_open = emac_open, - .ndo_stop = emac_close, - .ndo_get_stats = emac_stats, - .ndo_set_rx_mode = emac_set_multicast_list, - .ndo_do_ioctl = emac_ioctl, - .ndo_tx_timeout = emac_tx_timeout, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_mac_addr, - .ndo_start_xmit = emac_start_xmit, - .ndo_change_mtu = eth_change_mtu, -}; - -static const struct net_device_ops emac_gige_netdev_ops = { - .ndo_open = emac_open, - .ndo_stop = emac_close, - .ndo_get_stats = emac_stats, - .ndo_set_rx_mode = emac_set_multicast_list, - .ndo_do_ioctl = emac_ioctl, - .ndo_tx_timeout = emac_tx_timeout, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_mac_addr, - .ndo_start_xmit = emac_start_xmit_sg, - .ndo_change_mtu = emac_change_mtu, -}; - -static int __devinit emac_probe(struct platform_device *ofdev) -{ - struct net_device *ndev; - struct emac_instance *dev; - struct device_node *np = ofdev->dev.of_node; - struct device_node **blist = NULL; - int err, i; - - /* Skip unused/unwired EMACS. We leave the check for an unused - * property here for now, but new flat device trees should set a - * status property to "disabled" instead. - */ - if (of_get_property(np, "unused", NULL) || !of_device_is_available(np)) - return -ENODEV; - - /* Find ourselves in the bootlist if we are there */ - for (i = 0; i < EMAC_BOOT_LIST_SIZE; i++) - if (emac_boot_list[i] == np) - blist = &emac_boot_list[i]; - - /* Allocate our net_device structure */ - err = -ENOMEM; - ndev = alloc_etherdev(sizeof(struct emac_instance)); - if (!ndev) - goto err_gone; - - dev = netdev_priv(ndev); - dev->ndev = ndev; - dev->ofdev = ofdev; - dev->blist = blist; - SET_NETDEV_DEV(ndev, &ofdev->dev); - - /* Initialize some embedded data structures */ - mutex_init(&dev->mdio_lock); - mutex_init(&dev->link_lock); - spin_lock_init(&dev->lock); - INIT_WORK(&dev->reset_work, emac_reset_work); - - /* Init various config data based on device-tree */ - err = emac_init_config(dev); - if (err != 0) - goto err_free; - - /* Get interrupts. EMAC irq is mandatory, WOL irq is optional */ - dev->emac_irq = irq_of_parse_and_map(np, 0); - dev->wol_irq = irq_of_parse_and_map(np, 1); - if (dev->emac_irq == NO_IRQ) { - printk(KERN_ERR "%s: Can't map main interrupt\n", np->full_name); - goto err_free; - } - ndev->irq = dev->emac_irq; - - /* Map EMAC regs */ - if (of_address_to_resource(np, 0, &dev->rsrc_regs)) { - printk(KERN_ERR "%s: Can't get registers address\n", - np->full_name); - goto err_irq_unmap; - } - // TODO : request_mem_region - dev->emacp = ioremap(dev->rsrc_regs.start, - resource_size(&dev->rsrc_regs)); - if (dev->emacp == NULL) { - printk(KERN_ERR "%s: Can't map device registers!\n", - np->full_name); - err = -ENOMEM; - goto err_irq_unmap; - } - - /* Wait for dependent devices */ - err = emac_wait_deps(dev); - if (err) { - printk(KERN_ERR - "%s: Timeout waiting for dependent devices\n", - np->full_name); - /* display more info about what's missing ? */ - goto err_reg_unmap; - } - dev->mal = dev_get_drvdata(&dev->mal_dev->dev); - if (dev->mdio_dev != NULL) - dev->mdio_instance = dev_get_drvdata(&dev->mdio_dev->dev); - - /* Register with MAL */ - dev->commac.ops = &emac_commac_ops; - dev->commac.dev = dev; - dev->commac.tx_chan_mask = MAL_CHAN_MASK(dev->mal_tx_chan); - dev->commac.rx_chan_mask = MAL_CHAN_MASK(dev->mal_rx_chan); - err = mal_register_commac(dev->mal, &dev->commac); - if (err) { - printk(KERN_ERR "%s: failed to register with mal %s!\n", - np->full_name, dev->mal_dev->dev.of_node->full_name); - goto err_rel_deps; - } - dev->rx_skb_size = emac_rx_skb_size(ndev->mtu); - dev->rx_sync_size = emac_rx_sync_size(ndev->mtu); - - /* Get pointers to BD rings */ - dev->tx_desc = - dev->mal->bd_virt + mal_tx_bd_offset(dev->mal, dev->mal_tx_chan); - dev->rx_desc = - dev->mal->bd_virt + mal_rx_bd_offset(dev->mal, dev->mal_rx_chan); - - DBG(dev, "tx_desc %p" NL, dev->tx_desc); - DBG(dev, "rx_desc %p" NL, dev->rx_desc); - - /* Clean rings */ - memset(dev->tx_desc, 0, NUM_TX_BUFF * sizeof(struct mal_descriptor)); - memset(dev->rx_desc, 0, NUM_RX_BUFF * sizeof(struct mal_descriptor)); - memset(dev->tx_skb, 0, NUM_TX_BUFF * sizeof(struct sk_buff *)); - memset(dev->rx_skb, 0, NUM_RX_BUFF * sizeof(struct sk_buff *)); - - /* Attach to ZMII, if needed */ - if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII) && - (err = zmii_attach(dev->zmii_dev, dev->zmii_port, &dev->phy_mode)) != 0) - goto err_unreg_commac; - - /* Attach to RGMII, if needed */ - if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII) && - (err = rgmii_attach(dev->rgmii_dev, dev->rgmii_port, dev->phy_mode)) != 0) - goto err_detach_zmii; - - /* Attach to TAH, if needed */ - if (emac_has_feature(dev, EMAC_FTR_HAS_TAH) && - (err = tah_attach(dev->tah_dev, dev->tah_port)) != 0) - goto err_detach_rgmii; - - /* Set some link defaults before we can find out real parameters */ - dev->phy.speed = SPEED_100; - dev->phy.duplex = DUPLEX_FULL; - dev->phy.autoneg = AUTONEG_DISABLE; - dev->phy.pause = dev->phy.asym_pause = 0; - dev->stop_timeout = STOP_TIMEOUT_100; - INIT_DELAYED_WORK(&dev->link_work, emac_link_timer); - - /* Some SoCs like APM821xx does not support Half Duplex mode. */ - if (emac_has_feature(dev, EMAC_FTR_APM821XX_NO_HALF_DUPLEX)) { - dev->phy_feat_exc = (SUPPORTED_1000baseT_Half | - SUPPORTED_100baseT_Half | - SUPPORTED_10baseT_Half); - } - - /* Find PHY if any */ - err = emac_init_phy(dev); - if (err != 0) - goto err_detach_tah; - - if (dev->tah_dev) { - ndev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG; - ndev->features |= ndev->hw_features | NETIF_F_RXCSUM; - } - ndev->watchdog_timeo = 5 * HZ; - if (emac_phy_supports_gige(dev->phy_mode)) { - ndev->netdev_ops = &emac_gige_netdev_ops; - dev->commac.ops = &emac_commac_sg_ops; - } else - ndev->netdev_ops = &emac_netdev_ops; - SET_ETHTOOL_OPS(ndev, &emac_ethtool_ops); - - netif_carrier_off(ndev); - - err = register_netdev(ndev); - if (err) { - printk(KERN_ERR "%s: failed to register net device (%d)!\n", - np->full_name, err); - goto err_detach_tah; - } - - /* Set our drvdata last as we don't want them visible until we are - * fully initialized - */ - wmb(); - dev_set_drvdata(&ofdev->dev, dev); - - /* There's a new kid in town ! Let's tell everybody */ - wake_up_all(&emac_probe_wait); - - - printk(KERN_INFO "%s: EMAC-%d %s, MAC %pM\n", - ndev->name, dev->cell_index, np->full_name, ndev->dev_addr); - - if (dev->phy_mode == PHY_MODE_SGMII) - printk(KERN_NOTICE "%s: in SGMII mode\n", ndev->name); - - if (dev->phy.address >= 0) - printk("%s: found %s PHY (0x%02x)\n", ndev->name, - dev->phy.def->name, dev->phy.address); - - emac_dbg_register(dev); - - /* Life is good */ - return 0; - - /* I have a bad feeling about this ... */ - - err_detach_tah: - if (emac_has_feature(dev, EMAC_FTR_HAS_TAH)) - tah_detach(dev->tah_dev, dev->tah_port); - err_detach_rgmii: - if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) - rgmii_detach(dev->rgmii_dev, dev->rgmii_port); - err_detach_zmii: - if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII)) - zmii_detach(dev->zmii_dev, dev->zmii_port); - err_unreg_commac: - mal_unregister_commac(dev->mal, &dev->commac); - err_rel_deps: - emac_put_deps(dev); - err_reg_unmap: - iounmap(dev->emacp); - err_irq_unmap: - if (dev->wol_irq != NO_IRQ) - irq_dispose_mapping(dev->wol_irq); - if (dev->emac_irq != NO_IRQ) - irq_dispose_mapping(dev->emac_irq); - err_free: - free_netdev(ndev); - err_gone: - /* if we were on the bootlist, remove us as we won't show up and - * wake up all waiters to notify them in case they were waiting - * on us - */ - if (blist) { - *blist = NULL; - wake_up_all(&emac_probe_wait); - } - return err; -} - -static int __devexit emac_remove(struct platform_device *ofdev) -{ - struct emac_instance *dev = dev_get_drvdata(&ofdev->dev); - - DBG(dev, "remove" NL); - - dev_set_drvdata(&ofdev->dev, NULL); - - unregister_netdev(dev->ndev); - - cancel_work_sync(&dev->reset_work); - - if (emac_has_feature(dev, EMAC_FTR_HAS_TAH)) - tah_detach(dev->tah_dev, dev->tah_port); - if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) - rgmii_detach(dev->rgmii_dev, dev->rgmii_port); - if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII)) - zmii_detach(dev->zmii_dev, dev->zmii_port); - - busy_phy_map &= ~(1 << dev->phy.address); - DBG(dev, "busy_phy_map now %#x" NL, busy_phy_map); - - mal_unregister_commac(dev->mal, &dev->commac); - emac_put_deps(dev); - - emac_dbg_unregister(dev); - iounmap(dev->emacp); - - if (dev->wol_irq != NO_IRQ) - irq_dispose_mapping(dev->wol_irq); - if (dev->emac_irq != NO_IRQ) - irq_dispose_mapping(dev->emac_irq); - - free_netdev(dev->ndev); - - return 0; -} - -/* XXX Features in here should be replaced by properties... */ -static struct of_device_id emac_match[] = -{ - { - .type = "network", - .compatible = "ibm,emac", - }, - { - .type = "network", - .compatible = "ibm,emac4", - }, - { - .type = "network", - .compatible = "ibm,emac4sync", - }, - {}, -}; -MODULE_DEVICE_TABLE(of, emac_match); - -static struct platform_driver emac_driver = { - .driver = { - .name = "emac", - .owner = THIS_MODULE, - .of_match_table = emac_match, - }, - .probe = emac_probe, - .remove = emac_remove, -}; - -static void __init emac_make_bootlist(void) -{ - struct device_node *np = NULL; - int j, max, i = 0, k; - int cell_indices[EMAC_BOOT_LIST_SIZE]; - - /* Collect EMACs */ - while((np = of_find_all_nodes(np)) != NULL) { - const u32 *idx; - - if (of_match_node(emac_match, np) == NULL) - continue; - if (of_get_property(np, "unused", NULL)) - continue; - idx = of_get_property(np, "cell-index", NULL); - if (idx == NULL) - continue; - cell_indices[i] = *idx; - emac_boot_list[i++] = of_node_get(np); - if (i >= EMAC_BOOT_LIST_SIZE) { - of_node_put(np); - break; - } - } - max = i; - - /* Bubble sort them (doh, what a creative algorithm :-) */ - for (i = 0; max > 1 && (i < (max - 1)); i++) - for (j = i; j < max; j++) { - if (cell_indices[i] > cell_indices[j]) { - np = emac_boot_list[i]; - emac_boot_list[i] = emac_boot_list[j]; - emac_boot_list[j] = np; - k = cell_indices[i]; - cell_indices[i] = cell_indices[j]; - cell_indices[j] = k; - } - } -} - -static int __init emac_init(void) -{ - int rc; - - printk(KERN_INFO DRV_DESC ", version " DRV_VERSION "\n"); - - /* Init debug stuff */ - emac_init_debug(); - - /* Build EMAC boot list */ - emac_make_bootlist(); - - /* Init submodules */ - rc = mal_init(); - if (rc) - goto err; - rc = zmii_init(); - if (rc) - goto err_mal; - rc = rgmii_init(); - if (rc) - goto err_zmii; - rc = tah_init(); - if (rc) - goto err_rgmii; - rc = platform_driver_register(&emac_driver); - if (rc) - goto err_tah; - - return 0; - - err_tah: - tah_exit(); - err_rgmii: - rgmii_exit(); - err_zmii: - zmii_exit(); - err_mal: - mal_exit(); - err: - return rc; -} - -static void __exit emac_exit(void) -{ - int i; - - platform_driver_unregister(&emac_driver); - - tah_exit(); - rgmii_exit(); - zmii_exit(); - mal_exit(); - emac_fini_debug(); - - /* Destroy EMAC boot list */ - for (i = 0; i < EMAC_BOOT_LIST_SIZE; i++) - if (emac_boot_list[i]) - of_node_put(emac_boot_list[i]); -} - -module_init(emac_init); -module_exit(emac_exit); diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/core.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/core.h deleted file mode 100644 index 70074792..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/core.h +++ /dev/null @@ -1,471 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/core.h - * - * Driver for PowerPC 4xx on-chip ethernet controller. - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright (c) 2004, 2005 Zultys Technologies. - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * - * Based on original work by - * Armin Kuster <akuster@mvista.com> - * Johnnie Peters <jpeters@mvista.com> - * Copyright 2000, 2001 MontaVista Softare Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ -#ifndef __IBM_NEWEMAC_CORE_H -#define __IBM_NEWEMAC_CORE_H - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/list.h> -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/netdevice.h> -#include <linux/dma-mapping.h> -#include <linux/spinlock.h> -#include <linux/of_platform.h> -#include <linux/slab.h> - -#include <asm/io.h> -#include <asm/dcr.h> - -#include "emac.h" -#include "phy.h" -#include "zmii.h" -#include "rgmii.h" -#include "mal.h" -#include "tah.h" -#include "debug.h" - -#define NUM_TX_BUFF CONFIG_IBM_EMAC_TXB -#define NUM_RX_BUFF CONFIG_IBM_EMAC_RXB - -/* Simple sanity check */ -#if NUM_TX_BUFF > 256 || NUM_RX_BUFF > 256 -#error Invalid number of buffer descriptors (greater than 256) -#endif - -#define EMAC_MIN_MTU 46 - -/* Maximum L2 header length (VLAN tagged, no FCS) */ -#define EMAC_MTU_OVERHEAD (6 * 2 + 2 + 4) - -/* RX BD size for the given MTU */ -static inline int emac_rx_size(int mtu) -{ - if (mtu > ETH_DATA_LEN) - return MAL_MAX_RX_SIZE; - else - return mal_rx_size(ETH_DATA_LEN + EMAC_MTU_OVERHEAD); -} - -#define EMAC_DMA_ALIGN(x) ALIGN((x), dma_get_cache_alignment()) - -#define EMAC_RX_SKB_HEADROOM \ - EMAC_DMA_ALIGN(CONFIG_IBM_EMAC_RX_SKB_HEADROOM) - -/* Size of RX skb for the given MTU */ -static inline int emac_rx_skb_size(int mtu) -{ - int size = max(mtu + EMAC_MTU_OVERHEAD, emac_rx_size(mtu)); - return EMAC_DMA_ALIGN(size + 2) + EMAC_RX_SKB_HEADROOM; -} - -/* RX DMA sync size */ -static inline int emac_rx_sync_size(int mtu) -{ - return EMAC_DMA_ALIGN(emac_rx_size(mtu) + 2); -} - -/* Driver statistcs is split into two parts to make it more cache friendly: - * - normal statistics (packet count, etc) - * - error statistics - * - * When statistics is requested by ethtool, these parts are concatenated, - * normal one goes first. - * - * Please, keep these structures in sync with emac_stats_keys. - */ - -/* Normal TX/RX Statistics */ -struct emac_stats { - u64 rx_packets; - u64 rx_bytes; - u64 tx_packets; - u64 tx_bytes; - u64 rx_packets_csum; - u64 tx_packets_csum; -}; - -/* Error statistics */ -struct emac_error_stats { - u64 tx_undo; - - /* Software RX Errors */ - u64 rx_dropped_stack; - u64 rx_dropped_oom; - u64 rx_dropped_error; - u64 rx_dropped_resize; - u64 rx_dropped_mtu; - u64 rx_stopped; - /* BD reported RX errors */ - u64 rx_bd_errors; - u64 rx_bd_overrun; - u64 rx_bd_bad_packet; - u64 rx_bd_runt_packet; - u64 rx_bd_short_event; - u64 rx_bd_alignment_error; - u64 rx_bd_bad_fcs; - u64 rx_bd_packet_too_long; - u64 rx_bd_out_of_range; - u64 rx_bd_in_range; - /* EMAC IRQ reported RX errors */ - u64 rx_parity; - u64 rx_fifo_overrun; - u64 rx_overrun; - u64 rx_bad_packet; - u64 rx_runt_packet; - u64 rx_short_event; - u64 rx_alignment_error; - u64 rx_bad_fcs; - u64 rx_packet_too_long; - u64 rx_out_of_range; - u64 rx_in_range; - - /* Software TX Errors */ - u64 tx_dropped; - /* BD reported TX errors */ - u64 tx_bd_errors; - u64 tx_bd_bad_fcs; - u64 tx_bd_carrier_loss; - u64 tx_bd_excessive_deferral; - u64 tx_bd_excessive_collisions; - u64 tx_bd_late_collision; - u64 tx_bd_multple_collisions; - u64 tx_bd_single_collision; - u64 tx_bd_underrun; - u64 tx_bd_sqe; - /* EMAC IRQ reported TX errors */ - u64 tx_parity; - u64 tx_underrun; - u64 tx_sqe; - u64 tx_errors; -}; - -#define EMAC_ETHTOOL_STATS_COUNT ((sizeof(struct emac_stats) + \ - sizeof(struct emac_error_stats)) \ - / sizeof(u64)) - -struct emac_instance { - struct net_device *ndev; - struct resource rsrc_regs; - struct emac_regs __iomem *emacp; - struct platform_device *ofdev; - struct device_node **blist; /* bootlist entry */ - - /* MAL linkage */ - u32 mal_ph; - struct platform_device *mal_dev; - u32 mal_rx_chan; - u32 mal_tx_chan; - struct mal_instance *mal; - struct mal_commac commac; - - /* PHY infos */ - u32 phy_mode; - u32 phy_map; - u32 phy_address; - u32 phy_feat_exc; - struct mii_phy phy; - struct mutex link_lock; - struct delayed_work link_work; - int link_polling; - - /* GPCS PHY infos */ - u32 gpcs_address; - - /* Shared MDIO if any */ - u32 mdio_ph; - struct platform_device *mdio_dev; - struct emac_instance *mdio_instance; - struct mutex mdio_lock; - - /* ZMII infos if any */ - u32 zmii_ph; - u32 zmii_port; - struct platform_device *zmii_dev; - - /* RGMII infos if any */ - u32 rgmii_ph; - u32 rgmii_port; - struct platform_device *rgmii_dev; - - /* TAH infos if any */ - u32 tah_ph; - u32 tah_port; - struct platform_device *tah_dev; - - /* IRQs */ - int wol_irq; - int emac_irq; - - /* OPB bus frequency in Mhz */ - u32 opb_bus_freq; - - /* Cell index within an ASIC (for clk mgmnt) */ - u32 cell_index; - - /* Max supported MTU */ - u32 max_mtu; - - /* Feature bits (from probe table) */ - unsigned int features; - - /* Tx and Rx fifo sizes & other infos in bytes */ - u32 tx_fifo_size; - u32 tx_fifo_size_gige; - u32 rx_fifo_size; - u32 rx_fifo_size_gige; - u32 fifo_entry_size; - u32 mal_burst_size; /* move to MAL ? */ - - /* IAHT and GAHT filter parameterization */ - u32 xaht_slots_shift; - u32 xaht_width_shift; - - /* Descriptor management - */ - struct mal_descriptor *tx_desc; - int tx_cnt; - int tx_slot; - int ack_slot; - - struct mal_descriptor *rx_desc; - int rx_slot; - struct sk_buff *rx_sg_skb; /* 1 */ - int rx_skb_size; - int rx_sync_size; - - struct sk_buff *tx_skb[NUM_TX_BUFF]; - struct sk_buff *rx_skb[NUM_RX_BUFF]; - - /* Stats - */ - struct emac_error_stats estats; - struct net_device_stats nstats; - struct emac_stats stats; - - /* Misc - */ - int reset_failed; - int stop_timeout; /* in us */ - int no_mcast; - int mcast_pending; - int opened; - struct work_struct reset_work; - spinlock_t lock; -}; - -/* - * Features of various EMAC implementations - */ - -/* - * No flow control on 40x according to the original driver - */ -#define EMAC_FTR_NO_FLOW_CONTROL_40x 0x00000001 -/* - * Cell is an EMAC4 - */ -#define EMAC_FTR_EMAC4 0x00000002 -/* - * For the 440SPe, AMCC inexplicably changed the polarity of - * the "operation complete" bit in the MII control register. - */ -#define EMAC_FTR_STACR_OC_INVERT 0x00000004 -/* - * Set if we have a TAH. - */ -#define EMAC_FTR_HAS_TAH 0x00000008 -/* - * Set if we have a ZMII. - */ -#define EMAC_FTR_HAS_ZMII 0x00000010 -/* - * Set if we have a RGMII. - */ -#define EMAC_FTR_HAS_RGMII 0x00000020 -/* - * Set if we have new type STACR with STAOPC - */ -#define EMAC_FTR_HAS_NEW_STACR 0x00000040 -/* - * Set if we need phy clock workaround for 440gx - */ -#define EMAC_FTR_440GX_PHY_CLK_FIX 0x00000080 -/* - * Set if we need phy clock workaround for 440ep or 440gr - */ -#define EMAC_FTR_440EP_PHY_CLK_FIX 0x00000100 -/* - * The 405EX and 460EX contain the EMAC4SYNC core - */ -#define EMAC_FTR_EMAC4SYNC 0x00000200 -/* - * Set if we need phy clock workaround for 460ex or 460gt - */ -#define EMAC_FTR_460EX_PHY_CLK_FIX 0x00000400 -/* - * APM821xx requires Jumbo frame size set explicitly - */ -#define EMAC_APM821XX_REQ_JUMBO_FRAME_SIZE 0x00000800 -/* - * APM821xx does not support Half Duplex mode - */ -#define EMAC_FTR_APM821XX_NO_HALF_DUPLEX 0x00001000 - -/* Right now, we don't quite handle the always/possible masks on the - * most optimal way as we don't have a way to say something like - * always EMAC4. Patches welcome. - */ -enum { - EMAC_FTRS_ALWAYS = 0, - - EMAC_FTRS_POSSIBLE = -#ifdef CONFIG_IBM_EMAC_EMAC4 - EMAC_FTR_EMAC4 | EMAC_FTR_EMAC4SYNC | - EMAC_FTR_HAS_NEW_STACR | - EMAC_FTR_STACR_OC_INVERT | EMAC_FTR_440GX_PHY_CLK_FIX | -#endif -#ifdef CONFIG_IBM_EMAC_TAH - EMAC_FTR_HAS_TAH | -#endif -#ifdef CONFIG_IBM_EMAC_ZMII - EMAC_FTR_HAS_ZMII | -#endif -#ifdef CONFIG_IBM_EMAC_RGMII - EMAC_FTR_HAS_RGMII | -#endif -#ifdef CONFIG_IBM_EMAC_NO_FLOW_CTRL - EMAC_FTR_NO_FLOW_CONTROL_40x | -#endif - EMAC_FTR_460EX_PHY_CLK_FIX | - EMAC_FTR_440EP_PHY_CLK_FIX | - EMAC_APM821XX_REQ_JUMBO_FRAME_SIZE | - EMAC_FTR_APM821XX_NO_HALF_DUPLEX, -}; - -static inline int emac_has_feature(struct emac_instance *dev, - unsigned long feature) -{ - return (EMAC_FTRS_ALWAYS & feature) || - (EMAC_FTRS_POSSIBLE & dev->features & feature); -} - -/* - * Various instances of the EMAC core have varying 1) number of - * address match slots, 2) width of the registers for handling address - * match slots, 3) number of registers for handling address match - * slots and 4) base offset for those registers. - * - * These macros and inlines handle these differences based on - * parameters supplied by the device structure which are, in turn, - * initialized based on the "compatible" entry in the device tree. - */ - -#define EMAC4_XAHT_SLOTS_SHIFT 6 -#define EMAC4_XAHT_WIDTH_SHIFT 4 - -#define EMAC4SYNC_XAHT_SLOTS_SHIFT 8 -#define EMAC4SYNC_XAHT_WIDTH_SHIFT 5 - -#define EMAC_XAHT_SLOTS(dev) (1 << (dev)->xaht_slots_shift) -#define EMAC_XAHT_WIDTH(dev) (1 << (dev)->xaht_width_shift) -#define EMAC_XAHT_REGS(dev) (1 << ((dev)->xaht_slots_shift - \ - (dev)->xaht_width_shift)) - -#define EMAC_XAHT_CRC_TO_SLOT(dev, crc) \ - ((EMAC_XAHT_SLOTS(dev) - 1) - \ - ((crc) >> ((sizeof (u32) * BITS_PER_BYTE) - \ - (dev)->xaht_slots_shift))) - -#define EMAC_XAHT_SLOT_TO_REG(dev, slot) \ - ((slot) >> (dev)->xaht_width_shift) - -#define EMAC_XAHT_SLOT_TO_MASK(dev, slot) \ - ((u32)(1 << (EMAC_XAHT_WIDTH(dev) - 1)) >> \ - ((slot) & (u32)(EMAC_XAHT_WIDTH(dev) - 1))) - -static inline u32 *emac_xaht_base(struct emac_instance *dev) -{ - struct emac_regs __iomem *p = dev->emacp; - int offset; - - /* The first IAHT entry always is the base of the block of - * IAHT and GAHT registers. - */ - if (emac_has_feature(dev, EMAC_FTR_EMAC4SYNC)) - offset = offsetof(struct emac_regs, u1.emac4sync.iaht1); - else - offset = offsetof(struct emac_regs, u0.emac4.iaht1); - - return (u32 *)((ptrdiff_t)p + offset); -} - -static inline u32 *emac_gaht_base(struct emac_instance *dev) -{ - /* GAHT registers always come after an identical number of - * IAHT registers. - */ - return emac_xaht_base(dev) + EMAC_XAHT_REGS(dev); -} - -static inline u32 *emac_iaht_base(struct emac_instance *dev) -{ - /* IAHT registers always come before an identical number of - * GAHT registers. - */ - return emac_xaht_base(dev); -} - -/* Ethtool get_regs complex data. - * We want to get not just EMAC registers, but also MAL, ZMII, RGMII, TAH - * when available. - * - * Returned BLOB consists of the ibm_emac_ethtool_regs_hdr, - * MAL registers, EMAC registers and optional ZMII, RGMII, TAH registers. - * Each register component is preceded with emac_ethtool_regs_subhdr. - * Order of the optional headers follows their relative bit posititions - * in emac_ethtool_regs_hdr.components - */ -#define EMAC_ETHTOOL_REGS_ZMII 0x00000001 -#define EMAC_ETHTOOL_REGS_RGMII 0x00000002 -#define EMAC_ETHTOOL_REGS_TAH 0x00000004 - -struct emac_ethtool_regs_hdr { - u32 components; -}; - -struct emac_ethtool_regs_subhdr { - u32 version; - u32 index; -}; - -#define EMAC_ETHTOOL_REGS_VER 0 -#define EMAC_ETHTOOL_REGS_SIZE(dev) ((dev)->rsrc_regs.end - \ - (dev)->rsrc_regs.start + 1) -#define EMAC4_ETHTOOL_REGS_VER 1 -#define EMAC4_ETHTOOL_REGS_SIZE(dev) ((dev)->rsrc_regs.end - \ - (dev)->rsrc_regs.start + 1) - -#endif /* __IBM_NEWEMAC_CORE_H */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/debug.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/debug.c deleted file mode 100644 index b16b4828..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/debug.c +++ /dev/null @@ -1,270 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/debug.c - * - * Driver for PowerPC 4xx on-chip ethernet controller, debug print routines. - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright (c) 2004, 2005 Zultys Technologies - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/netdevice.h> -#include <linux/sysrq.h> -#include <asm/io.h> - -#include "core.h" - -static DEFINE_SPINLOCK(emac_dbg_lock); - -static void emac_desc_dump(struct emac_instance *p) -{ - int i; - printk("** EMAC %s TX BDs **\n" - " tx_cnt = %d tx_slot = %d ack_slot = %d\n", - p->ofdev->dev.of_node->full_name, - p->tx_cnt, p->tx_slot, p->ack_slot); - for (i = 0; i < NUM_TX_BUFF / 2; ++i) - printk - ("bd[%2d] 0x%08x %c 0x%04x %4u - bd[%2d] 0x%08x %c 0x%04x %4u\n", - i, p->tx_desc[i].data_ptr, p->tx_skb[i] ? 'V' : ' ', - p->tx_desc[i].ctrl, p->tx_desc[i].data_len, - NUM_TX_BUFF / 2 + i, - p->tx_desc[NUM_TX_BUFF / 2 + i].data_ptr, - p->tx_skb[NUM_TX_BUFF / 2 + i] ? 'V' : ' ', - p->tx_desc[NUM_TX_BUFF / 2 + i].ctrl, - p->tx_desc[NUM_TX_BUFF / 2 + i].data_len); - - printk("** EMAC %s RX BDs **\n" - " rx_slot = %d flags = 0x%lx rx_skb_size = %d rx_sync_size = %d\n" - " rx_sg_skb = 0x%p\n", - p->ofdev->dev.of_node->full_name, - p->rx_slot, p->commac.flags, p->rx_skb_size, - p->rx_sync_size, p->rx_sg_skb); - for (i = 0; i < NUM_RX_BUFF / 2; ++i) - printk - ("bd[%2d] 0x%08x %c 0x%04x %4u - bd[%2d] 0x%08x %c 0x%04x %4u\n", - i, p->rx_desc[i].data_ptr, p->rx_skb[i] ? 'V' : ' ', - p->rx_desc[i].ctrl, p->rx_desc[i].data_len, - NUM_RX_BUFF / 2 + i, - p->rx_desc[NUM_RX_BUFF / 2 + i].data_ptr, - p->rx_skb[NUM_RX_BUFF / 2 + i] ? 'V' : ' ', - p->rx_desc[NUM_RX_BUFF / 2 + i].ctrl, - p->rx_desc[NUM_RX_BUFF / 2 + i].data_len); -} - -static void emac_mac_dump(struct emac_instance *dev) -{ - struct emac_regs __iomem *p = dev->emacp; - const int xaht_regs = EMAC_XAHT_REGS(dev); - u32 *gaht_base = emac_gaht_base(dev); - u32 *iaht_base = emac_iaht_base(dev); - int emac4sync = emac_has_feature(dev, EMAC_FTR_EMAC4SYNC); - int n; - - printk("** EMAC %s registers **\n" - "MR0 = 0x%08x MR1 = 0x%08x TMR0 = 0x%08x TMR1 = 0x%08x\n" - "RMR = 0x%08x ISR = 0x%08x ISER = 0x%08x\n" - "IAR = %04x%08x VTPID = 0x%04x VTCI = 0x%04x\n", - dev->ofdev->dev.of_node->full_name, - in_be32(&p->mr0), in_be32(&p->mr1), - in_be32(&p->tmr0), in_be32(&p->tmr1), - in_be32(&p->rmr), in_be32(&p->isr), in_be32(&p->iser), - in_be32(&p->iahr), in_be32(&p->ialr), in_be32(&p->vtpid), - in_be32(&p->vtci) - ); - - if (emac4sync) - printk("MAR = %04x%08x MMAR = %04x%08x\n", - in_be32(&p->u0.emac4sync.mahr), - in_be32(&p->u0.emac4sync.malr), - in_be32(&p->u0.emac4sync.mmahr), - in_be32(&p->u0.emac4sync.mmalr) - ); - - for (n = 0; n < xaht_regs; n++) - printk("IAHT%02d = 0x%08x\n", n + 1, in_be32(iaht_base + n)); - - for (n = 0; n < xaht_regs; n++) - printk("GAHT%02d = 0x%08x\n", n + 1, in_be32(gaht_base + n)); - - printk("LSA = %04x%08x IPGVR = 0x%04x\n" - "STACR = 0x%08x TRTR = 0x%08x RWMR = 0x%08x\n" - "OCTX = 0x%08x OCRX = 0x%08x\n", - in_be32(&p->lsah), in_be32(&p->lsal), in_be32(&p->ipgvr), - in_be32(&p->stacr), in_be32(&p->trtr), in_be32(&p->rwmr), - in_be32(&p->octx), in_be32(&p->ocrx) - ); - - if (!emac4sync) { - printk("IPCR = 0x%08x\n", - in_be32(&p->u1.emac4.ipcr) - ); - } else { - printk("REVID = 0x%08x TPC = 0x%08x\n", - in_be32(&p->u1.emac4sync.revid), - in_be32(&p->u1.emac4sync.tpc) - ); - } - - emac_desc_dump(dev); -} - -static void emac_mal_dump(struct mal_instance *mal) -{ - int i; - - printk("** MAL %s Registers **\n" - "CFG = 0x%08x ESR = 0x%08x IER = 0x%08x\n" - "TX|CASR = 0x%08x CARR = 0x%08x EOBISR = 0x%08x DEIR = 0x%08x\n" - "RX|CASR = 0x%08x CARR = 0x%08x EOBISR = 0x%08x DEIR = 0x%08x\n", - mal->ofdev->dev.of_node->full_name, - get_mal_dcrn(mal, MAL_CFG), get_mal_dcrn(mal, MAL_ESR), - get_mal_dcrn(mal, MAL_IER), - get_mal_dcrn(mal, MAL_TXCASR), get_mal_dcrn(mal, MAL_TXCARR), - get_mal_dcrn(mal, MAL_TXEOBISR), get_mal_dcrn(mal, MAL_TXDEIR), - get_mal_dcrn(mal, MAL_RXCASR), get_mal_dcrn(mal, MAL_RXCARR), - get_mal_dcrn(mal, MAL_RXEOBISR), get_mal_dcrn(mal, MAL_RXDEIR) - ); - - printk("TX|"); - for (i = 0; i < mal->num_tx_chans; ++i) { - if (i && !(i % 4)) - printk("\n "); - printk("CTP%d = 0x%08x ", i, get_mal_dcrn(mal, MAL_TXCTPR(i))); - } - printk("\nRX|"); - for (i = 0; i < mal->num_rx_chans; ++i) { - if (i && !(i % 4)) - printk("\n "); - printk("CTP%d = 0x%08x ", i, get_mal_dcrn(mal, MAL_RXCTPR(i))); - } - printk("\n "); - for (i = 0; i < mal->num_rx_chans; ++i) { - u32 r = get_mal_dcrn(mal, MAL_RCBS(i)); - if (i && !(i % 3)) - printk("\n "); - printk("RCBS%d = 0x%08x (%d) ", i, r, r * 16); - } - printk("\n"); -} - -static struct emac_instance *__emacs[4]; -static struct mal_instance *__mals[1]; - -void emac_dbg_register(struct emac_instance *dev) -{ - unsigned long flags; - int i; - - spin_lock_irqsave(&emac_dbg_lock, flags); - for (i = 0; i < ARRAY_SIZE(__emacs); i++) - if (__emacs[i] == NULL) { - __emacs[i] = dev; - break; - } - spin_unlock_irqrestore(&emac_dbg_lock, flags); -} - -void emac_dbg_unregister(struct emac_instance *dev) -{ - unsigned long flags; - int i; - - spin_lock_irqsave(&emac_dbg_lock, flags); - for (i = 0; i < ARRAY_SIZE(__emacs); i++) - if (__emacs[i] == dev) { - __emacs[i] = NULL; - break; - } - spin_unlock_irqrestore(&emac_dbg_lock, flags); -} - -void mal_dbg_register(struct mal_instance *mal) -{ - unsigned long flags; - int i; - - spin_lock_irqsave(&emac_dbg_lock, flags); - for (i = 0; i < ARRAY_SIZE(__mals); i++) - if (__mals[i] == NULL) { - __mals[i] = mal; - break; - } - spin_unlock_irqrestore(&emac_dbg_lock, flags); -} - -void mal_dbg_unregister(struct mal_instance *mal) -{ - unsigned long flags; - int i; - - spin_lock_irqsave(&emac_dbg_lock, flags); - for (i = 0; i < ARRAY_SIZE(__mals); i++) - if (__mals[i] == mal) { - __mals[i] = NULL; - break; - } - spin_unlock_irqrestore(&emac_dbg_lock, flags); -} - -void emac_dbg_dump_all(void) -{ - unsigned int i; - unsigned long flags; - - spin_lock_irqsave(&emac_dbg_lock, flags); - - for (i = 0; i < ARRAY_SIZE(__mals); ++i) - if (__mals[i]) - emac_mal_dump(__mals[i]); - - for (i = 0; i < ARRAY_SIZE(__emacs); ++i) - if (__emacs[i]) - emac_mac_dump(__emacs[i]); - - spin_unlock_irqrestore(&emac_dbg_lock, flags); -} - -#if defined(CONFIG_MAGIC_SYSRQ) -static void emac_sysrq_handler(int key) -{ - emac_dbg_dump_all(); -} - -static struct sysrq_key_op emac_sysrq_op = { - .handler = emac_sysrq_handler, - .help_msg = "emaC", - .action_msg = "Show EMAC(s) status", -}; - -int __init emac_init_debug(void) -{ - return register_sysrq_key('c', &emac_sysrq_op); -} - -void __exit emac_fini_debug(void) -{ - unregister_sysrq_key('c', &emac_sysrq_op); -} - -#else -int __init emac_init_debug(void) -{ - return 0; -} -void __exit emac_fini_debug(void) -{ -} -#endif /* CONFIG_MAGIC_SYSRQ */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/debug.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/debug.h deleted file mode 100644 index 59a92d58..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/debug.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/debug.h - * - * Driver for PowerPC 4xx on-chip ethernet controller, debug print routines. - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright (c) 2004, 2005 Zultys Technologies - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ -#ifndef __IBM_NEWEMAC_DEBUG_H -#define __IBM_NEWEMAC_DEBUG_H - -#include <linux/init.h> - -#include "core.h" - -#if defined(CONFIG_IBM_EMAC_DEBUG) - -struct emac_instance; -struct mal_instance; - -extern void emac_dbg_register(struct emac_instance *dev); -extern void emac_dbg_unregister(struct emac_instance *dev); -extern void mal_dbg_register(struct mal_instance *mal); -extern void mal_dbg_unregister(struct mal_instance *mal); -extern int emac_init_debug(void) __init; -extern void emac_fini_debug(void) __exit; -extern void emac_dbg_dump_all(void); - -# define DBG_LEVEL 1 - -#else - -# define emac_dbg_register(x) do { } while(0) -# define emac_dbg_unregister(x) do { } while(0) -# define mal_dbg_register(x) do { } while(0) -# define mal_dbg_unregister(x) do { } while(0) -# define emac_init_debug() do { } while(0) -# define emac_fini_debug() do { } while(0) -# define emac_dbg_dump_all() do { } while(0) - -# define DBG_LEVEL 0 - -#endif - -#define EMAC_DBG(d, name, fmt, arg...) \ - printk(KERN_DEBUG #name "%s: " fmt, d->ofdev->dev.of_node->full_name, ## arg) - -#if DBG_LEVEL > 0 -# define DBG(d,f,x...) EMAC_DBG(d, emac, f, ##x) -# define MAL_DBG(d,f,x...) EMAC_DBG(d, mal, f, ##x) -# define ZMII_DBG(d,f,x...) EMAC_DBG(d, zmii, f, ##x) -# define RGMII_DBG(d,f,x...) EMAC_DBG(d, rgmii, f, ##x) -# define NL "\n" -#else -# define DBG(f,x...) ((void)0) -# define MAL_DBG(d,f,x...) ((void)0) -# define ZMII_DBG(d,f,x...) ((void)0) -# define RGMII_DBG(d,f,x...) ((void)0) -#endif -#if DBG_LEVEL > 1 -# define DBG2(d,f,x...) DBG(d,f, ##x) -# define MAL_DBG2(d,f,x...) MAL_DBG(d,f, ##x) -# define ZMII_DBG2(d,f,x...) ZMII_DBG(d,f, ##x) -# define RGMII_DBG2(d,f,x...) RGMII_DBG(d,f, ##x) -#else -# define DBG2(f,x...) ((void)0) -# define MAL_DBG2(d,f,x...) ((void)0) -# define ZMII_DBG2(d,f,x...) ((void)0) -# define RGMII_DBG2(d,f,x...) ((void)0) -#endif - -#endif /* __IBM_NEWEMAC_DEBUG_H */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/emac.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/emac.h deleted file mode 100644 index 5afcc27c..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/emac.h +++ /dev/null @@ -1,314 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/emac.h - * - * Register definitions for PowerPC 4xx on-chip ethernet contoller - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright (c) 2004, 2005 Zultys Technologies. - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * - * Based on original work by - * Matt Porter <mporter@kernel.crashing.org> - * Armin Kuster <akuster@mvista.com> - * Copyright 2002-2004 MontaVista Software Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ -#ifndef __IBM_NEWEMAC_H -#define __IBM_NEWEMAC_H - -#include <linux/types.h> -#include <linux/phy.h> - -/* EMAC registers Write Access rules */ -struct emac_regs { - /* Common registers across all EMAC implementations. */ - u32 mr0; /* Special */ - u32 mr1; /* Reset */ - u32 tmr0; /* Special */ - u32 tmr1; /* Special */ - u32 rmr; /* Reset */ - u32 isr; /* Always */ - u32 iser; /* Reset */ - u32 iahr; /* Reset, R, T */ - u32 ialr; /* Reset, R, T */ - u32 vtpid; /* Reset, R, T */ - u32 vtci; /* Reset, R, T */ - u32 ptr; /* Reset, T */ - union { - /* Registers unique to EMAC4 implementations */ - struct { - u32 iaht1; /* Reset, R */ - u32 iaht2; /* Reset, R */ - u32 iaht3; /* Reset, R */ - u32 iaht4; /* Reset, R */ - u32 gaht1; /* Reset, R */ - u32 gaht2; /* Reset, R */ - u32 gaht3; /* Reset, R */ - u32 gaht4; /* Reset, R */ - } emac4; - /* Registers unique to EMAC4SYNC implementations */ - struct { - u32 mahr; /* Reset, R, T */ - u32 malr; /* Reset, R, T */ - u32 mmahr; /* Reset, R, T */ - u32 mmalr; /* Reset, R, T */ - u32 rsvd0[4]; - } emac4sync; - } u0; - /* Common registers across all EMAC implementations. */ - u32 lsah; - u32 lsal; - u32 ipgvr; /* Reset, T */ - u32 stacr; /* Special */ - u32 trtr; /* Special */ - u32 rwmr; /* Reset */ - u32 octx; - u32 ocrx; - union { - /* Registers unique to EMAC4 implementations */ - struct { - u32 ipcr; - } emac4; - /* Registers unique to EMAC4SYNC implementations */ - struct { - u32 rsvd1; - u32 revid; - u32 rsvd2[2]; - u32 iaht1; /* Reset, R */ - u32 iaht2; /* Reset, R */ - u32 iaht3; /* Reset, R */ - u32 iaht4; /* Reset, R */ - u32 iaht5; /* Reset, R */ - u32 iaht6; /* Reset, R */ - u32 iaht7; /* Reset, R */ - u32 iaht8; /* Reset, R */ - u32 gaht1; /* Reset, R */ - u32 gaht2; /* Reset, R */ - u32 gaht3; /* Reset, R */ - u32 gaht4; /* Reset, R */ - u32 gaht5; /* Reset, R */ - u32 gaht6; /* Reset, R */ - u32 gaht7; /* Reset, R */ - u32 gaht8; /* Reset, R */ - u32 tpc; /* Reset, T */ - } emac4sync; - } u1; -}; - -/* - * PHY mode settings (EMAC <-> ZMII/RGMII bridge <-> PHY) - */ -#define PHY_MODE_NA PHY_INTERFACE_MODE_NA -#define PHY_MODE_MII PHY_INTERFACE_MODE_MII -#define PHY_MODE_RMII PHY_INTERFACE_MODE_RMII -#define PHY_MODE_SMII PHY_INTERFACE_MODE_SMII -#define PHY_MODE_RGMII PHY_INTERFACE_MODE_RGMII -#define PHY_MODE_TBI PHY_INTERFACE_MODE_TBI -#define PHY_MODE_GMII PHY_INTERFACE_MODE_GMII -#define PHY_MODE_RTBI PHY_INTERFACE_MODE_RTBI -#define PHY_MODE_SGMII PHY_INTERFACE_MODE_SGMII - -/* EMACx_MR0 */ -#define EMAC_MR0_RXI 0x80000000 -#define EMAC_MR0_TXI 0x40000000 -#define EMAC_MR0_SRST 0x20000000 -#define EMAC_MR0_TXE 0x10000000 -#define EMAC_MR0_RXE 0x08000000 -#define EMAC_MR0_WKE 0x04000000 - -/* EMACx_MR1 */ -#define EMAC_MR1_FDE 0x80000000 -#define EMAC_MR1_ILE 0x40000000 -#define EMAC_MR1_VLE 0x20000000 -#define EMAC_MR1_EIFC 0x10000000 -#define EMAC_MR1_APP 0x08000000 -#define EMAC_MR1_IST 0x01000000 - -#define EMAC_MR1_MF_MASK 0x00c00000 -#define EMAC_MR1_MF_10 0x00000000 -#define EMAC_MR1_MF_100 0x00400000 -#define EMAC_MR1_MF_1000 0x00800000 -#define EMAC_MR1_MF_1000GPCS 0x00c00000 -#define EMAC_MR1_MF_IPPA(id) (((id) & 0x1f) << 6) - -#define EMAC_MR1_RFS_4K 0x00300000 -#define EMAC_MR1_RFS_16K 0x00000000 -#define EMAC_MR1_TFS_2K 0x00080000 -#define EMAC_MR1_TR0_MULT 0x00008000 -#define EMAC_MR1_JPSM 0x00000000 -#define EMAC_MR1_MWSW_001 0x00000000 -#define EMAC_MR1_BASE(opb) (EMAC_MR1_TFS_2K | EMAC_MR1_TR0_MULT) - - -#define EMAC4_MR1_RFS_2K 0x00100000 -#define EMAC4_MR1_RFS_4K 0x00180000 -#define EMAC4_MR1_RFS_16K 0x00280000 -#define EMAC4_MR1_TFS_2K 0x00020000 -#define EMAC4_MR1_TFS_4K 0x00030000 -#define EMAC4_MR1_TFS_16K 0x00050000 -#define EMAC4_MR1_TR 0x00008000 -#define EMAC4_MR1_MWSW_001 0x00001000 -#define EMAC4_MR1_JPSM 0x00000800 -#define EMAC4_MR1_OBCI_MASK 0x00000038 -#define EMAC4_MR1_OBCI_50 0x00000000 -#define EMAC4_MR1_OBCI_66 0x00000008 -#define EMAC4_MR1_OBCI_83 0x00000010 -#define EMAC4_MR1_OBCI_100 0x00000018 -#define EMAC4_MR1_OBCI_100P 0x00000020 -#define EMAC4_MR1_OBCI(freq) ((freq) <= 50 ? EMAC4_MR1_OBCI_50 : \ - (freq) <= 66 ? EMAC4_MR1_OBCI_66 : \ - (freq) <= 83 ? EMAC4_MR1_OBCI_83 : \ - (freq) <= 100 ? EMAC4_MR1_OBCI_100 : \ - EMAC4_MR1_OBCI_100P) - -/* EMACx_TMR0 */ -#define EMAC_TMR0_GNP 0x80000000 -#define EMAC_TMR0_DEFAULT 0x00000000 -#define EMAC4_TMR0_TFAE_2_32 0x00000001 -#define EMAC4_TMR0_TFAE_4_64 0x00000002 -#define EMAC4_TMR0_TFAE_8_128 0x00000003 -#define EMAC4_TMR0_TFAE_16_256 0x00000004 -#define EMAC4_TMR0_TFAE_32_512 0x00000005 -#define EMAC4_TMR0_TFAE_64_1024 0x00000006 -#define EMAC4_TMR0_TFAE_128_2048 0x00000007 -#define EMAC4_TMR0_DEFAULT EMAC4_TMR0_TFAE_2_32 -#define EMAC_TMR0_XMIT (EMAC_TMR0_GNP | EMAC_TMR0_DEFAULT) -#define EMAC4_TMR0_XMIT (EMAC_TMR0_GNP | EMAC4_TMR0_DEFAULT) - -/* EMACx_TMR1 */ - -#define EMAC_TMR1(l,h) (((l) << 27) | (((h) & 0xff) << 16)) -#define EMAC4_TMR1(l,h) (((l) << 27) | (((h) & 0x3ff) << 14)) - -/* EMACx_RMR */ -#define EMAC_RMR_SP 0x80000000 -#define EMAC_RMR_SFCS 0x40000000 -#define EMAC_RMR_RRP 0x20000000 -#define EMAC_RMR_RFP 0x10000000 -#define EMAC_RMR_ROP 0x08000000 -#define EMAC_RMR_RPIR 0x04000000 -#define EMAC_RMR_PPP 0x02000000 -#define EMAC_RMR_PME 0x01000000 -#define EMAC_RMR_PMME 0x00800000 -#define EMAC_RMR_IAE 0x00400000 -#define EMAC_RMR_MIAE 0x00200000 -#define EMAC_RMR_BAE 0x00100000 -#define EMAC_RMR_MAE 0x00080000 -#define EMAC_RMR_BASE 0x00000000 -#define EMAC4_RMR_RFAF_2_32 0x00000001 -#define EMAC4_RMR_RFAF_4_64 0x00000002 -#define EMAC4_RMR_RFAF_8_128 0x00000003 -#define EMAC4_RMR_RFAF_16_256 0x00000004 -#define EMAC4_RMR_RFAF_32_512 0x00000005 -#define EMAC4_RMR_RFAF_64_1024 0x00000006 -#define EMAC4_RMR_RFAF_128_2048 0x00000007 -#define EMAC4_RMR_BASE EMAC4_RMR_RFAF_128_2048 -#define EMAC4_RMR_MJS_MASK 0x0001fff8 -#define EMAC4_RMR_MJS(s) (((s) << 3) & EMAC4_RMR_MJS_MASK) - -/* EMACx_ISR & EMACx_ISER */ -#define EMAC4_ISR_TXPE 0x20000000 -#define EMAC4_ISR_RXPE 0x10000000 -#define EMAC4_ISR_TXUE 0x08000000 -#define EMAC4_ISR_RXOE 0x04000000 -#define EMAC_ISR_OVR 0x02000000 -#define EMAC_ISR_PP 0x01000000 -#define EMAC_ISR_BP 0x00800000 -#define EMAC_ISR_RP 0x00400000 -#define EMAC_ISR_SE 0x00200000 -#define EMAC_ISR_ALE 0x00100000 -#define EMAC_ISR_BFCS 0x00080000 -#define EMAC_ISR_PTLE 0x00040000 -#define EMAC_ISR_ORE 0x00020000 -#define EMAC_ISR_IRE 0x00010000 -#define EMAC_ISR_SQE 0x00000080 -#define EMAC_ISR_TE 0x00000040 -#define EMAC_ISR_MOS 0x00000002 -#define EMAC_ISR_MOF 0x00000001 - -/* EMACx_STACR */ -#define EMAC_STACR_PHYD_MASK 0xffff -#define EMAC_STACR_PHYD_SHIFT 16 -#define EMAC_STACR_OC 0x00008000 -#define EMAC_STACR_PHYE 0x00004000 -#define EMAC_STACR_STAC_MASK 0x00003000 -#define EMAC_STACR_STAC_READ 0x00001000 -#define EMAC_STACR_STAC_WRITE 0x00002000 -#define EMAC_STACR_OPBC_MASK 0x00000C00 -#define EMAC_STACR_OPBC_50 0x00000000 -#define EMAC_STACR_OPBC_66 0x00000400 -#define EMAC_STACR_OPBC_83 0x00000800 -#define EMAC_STACR_OPBC_100 0x00000C00 -#define EMAC_STACR_OPBC(freq) ((freq) <= 50 ? EMAC_STACR_OPBC_50 : \ - (freq) <= 66 ? EMAC_STACR_OPBC_66 : \ - (freq) <= 83 ? EMAC_STACR_OPBC_83 : EMAC_STACR_OPBC_100) -#define EMAC_STACR_BASE(opb) EMAC_STACR_OPBC(opb) -#define EMAC4_STACR_BASE(opb) 0x00000000 -#define EMAC_STACR_PCDA_MASK 0x1f -#define EMAC_STACR_PCDA_SHIFT 5 -#define EMAC_STACR_PRA_MASK 0x1f -#define EMACX_STACR_STAC_MASK 0x00003800 -#define EMACX_STACR_STAC_READ 0x00001000 -#define EMACX_STACR_STAC_WRITE 0x00000800 -#define EMACX_STACR_STAC_IND_ADDR 0x00002000 -#define EMACX_STACR_STAC_IND_READ 0x00003800 -#define EMACX_STACR_STAC_IND_READINC 0x00003000 -#define EMACX_STACR_STAC_IND_WRITE 0x00002800 - - -/* EMACx_TRTR */ -#define EMAC_TRTR_SHIFT_EMAC4 24 -#define EMAC_TRTR_SHIFT 27 - -/* EMAC specific TX descriptor control fields (write access) */ -#define EMAC_TX_CTRL_GFCS 0x0200 -#define EMAC_TX_CTRL_GP 0x0100 -#define EMAC_TX_CTRL_ISA 0x0080 -#define EMAC_TX_CTRL_RSA 0x0040 -#define EMAC_TX_CTRL_IVT 0x0020 -#define EMAC_TX_CTRL_RVT 0x0010 -#define EMAC_TX_CTRL_TAH_CSUM 0x000e - -/* EMAC specific TX descriptor status fields (read access) */ -#define EMAC_TX_ST_BFCS 0x0200 -#define EMAC_TX_ST_LCS 0x0080 -#define EMAC_TX_ST_ED 0x0040 -#define EMAC_TX_ST_EC 0x0020 -#define EMAC_TX_ST_LC 0x0010 -#define EMAC_TX_ST_MC 0x0008 -#define EMAC_TX_ST_SC 0x0004 -#define EMAC_TX_ST_UR 0x0002 -#define EMAC_TX_ST_SQE 0x0001 -#define EMAC_IS_BAD_TX (EMAC_TX_ST_LCS | EMAC_TX_ST_ED | \ - EMAC_TX_ST_EC | EMAC_TX_ST_LC | \ - EMAC_TX_ST_MC | EMAC_TX_ST_UR) -#define EMAC_IS_BAD_TX_TAH (EMAC_TX_ST_LCS | EMAC_TX_ST_ED | \ - EMAC_TX_ST_EC | EMAC_TX_ST_LC) - -/* EMAC specific RX descriptor status fields (read access) */ -#define EMAC_RX_ST_OE 0x0200 -#define EMAC_RX_ST_PP 0x0100 -#define EMAC_RX_ST_BP 0x0080 -#define EMAC_RX_ST_RP 0x0040 -#define EMAC_RX_ST_SE 0x0020 -#define EMAC_RX_ST_AE 0x0010 -#define EMAC_RX_ST_BFCS 0x0008 -#define EMAC_RX_ST_PTL 0x0004 -#define EMAC_RX_ST_ORE 0x0002 -#define EMAC_RX_ST_IRE 0x0001 -#define EMAC_RX_TAH_BAD_CSUM 0x0003 -#define EMAC_BAD_RX_MASK (EMAC_RX_ST_OE | EMAC_RX_ST_BP | \ - EMAC_RX_ST_RP | EMAC_RX_ST_SE | \ - EMAC_RX_ST_AE | EMAC_RX_ST_BFCS | \ - EMAC_RX_ST_PTL | EMAC_RX_ST_ORE | \ - EMAC_RX_ST_IRE ) -#endif /* __IBM_NEWEMAC_H */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/mal.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/mal.c deleted file mode 100644 index 479e43e2..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/mal.c +++ /dev/null @@ -1,809 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/mal.c - * - * Memory Access Layer (MAL) support - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright (c) 2004, 2005 Zultys Technologies. - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * - * Based on original work by - * Benjamin Herrenschmidt <benh@kernel.crashing.org>, - * David Gibson <hermes@gibson.dropbear.id.au>, - * - * Armin Kuster <akuster@mvista.com> - * Copyright 2002 MontaVista Softare Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ - -#include <linux/delay.h> -#include <linux/slab.h> - -#include "core.h" -#include <asm/dcr-regs.h> - -static int mal_count; - -int __devinit mal_register_commac(struct mal_instance *mal, - struct mal_commac *commac) -{ - unsigned long flags; - - spin_lock_irqsave(&mal->lock, flags); - - MAL_DBG(mal, "reg(%08x, %08x)" NL, - commac->tx_chan_mask, commac->rx_chan_mask); - - /* Don't let multiple commacs claim the same channel(s) */ - if ((mal->tx_chan_mask & commac->tx_chan_mask) || - (mal->rx_chan_mask & commac->rx_chan_mask)) { - spin_unlock_irqrestore(&mal->lock, flags); - printk(KERN_WARNING "mal%d: COMMAC channels conflict!\n", - mal->index); - return -EBUSY; - } - - if (list_empty(&mal->list)) - napi_enable(&mal->napi); - mal->tx_chan_mask |= commac->tx_chan_mask; - mal->rx_chan_mask |= commac->rx_chan_mask; - list_add(&commac->list, &mal->list); - - spin_unlock_irqrestore(&mal->lock, flags); - - return 0; -} - -void mal_unregister_commac(struct mal_instance *mal, - struct mal_commac *commac) -{ - unsigned long flags; - - spin_lock_irqsave(&mal->lock, flags); - - MAL_DBG(mal, "unreg(%08x, %08x)" NL, - commac->tx_chan_mask, commac->rx_chan_mask); - - mal->tx_chan_mask &= ~commac->tx_chan_mask; - mal->rx_chan_mask &= ~commac->rx_chan_mask; - list_del_init(&commac->list); - if (list_empty(&mal->list)) - napi_disable(&mal->napi); - - spin_unlock_irqrestore(&mal->lock, flags); -} - -int mal_set_rcbs(struct mal_instance *mal, int channel, unsigned long size) -{ - BUG_ON(channel < 0 || channel >= mal->num_rx_chans || - size > MAL_MAX_RX_SIZE); - - MAL_DBG(mal, "set_rbcs(%d, %lu)" NL, channel, size); - - if (size & 0xf) { - printk(KERN_WARNING - "mal%d: incorrect RX size %lu for the channel %d\n", - mal->index, size, channel); - return -EINVAL; - } - - set_mal_dcrn(mal, MAL_RCBS(channel), size >> 4); - return 0; -} - -int mal_tx_bd_offset(struct mal_instance *mal, int channel) -{ - BUG_ON(channel < 0 || channel >= mal->num_tx_chans); - - return channel * NUM_TX_BUFF; -} - -int mal_rx_bd_offset(struct mal_instance *mal, int channel) -{ - BUG_ON(channel < 0 || channel >= mal->num_rx_chans); - return mal->num_tx_chans * NUM_TX_BUFF + channel * NUM_RX_BUFF; -} - -void mal_enable_tx_channel(struct mal_instance *mal, int channel) -{ - unsigned long flags; - - spin_lock_irqsave(&mal->lock, flags); - - MAL_DBG(mal, "enable_tx(%d)" NL, channel); - - set_mal_dcrn(mal, MAL_TXCASR, - get_mal_dcrn(mal, MAL_TXCASR) | MAL_CHAN_MASK(channel)); - - spin_unlock_irqrestore(&mal->lock, flags); -} - -void mal_disable_tx_channel(struct mal_instance *mal, int channel) -{ - set_mal_dcrn(mal, MAL_TXCARR, MAL_CHAN_MASK(channel)); - - MAL_DBG(mal, "disable_tx(%d)" NL, channel); -} - -void mal_enable_rx_channel(struct mal_instance *mal, int channel) -{ - unsigned long flags; - - /* - * On some 4xx PPC's (e.g. 460EX/GT), the rx channel is a multiple - * of 8, but enabling in MAL_RXCASR needs the divided by 8 value - * for the bitmask - */ - if (!(channel % 8)) - channel >>= 3; - - spin_lock_irqsave(&mal->lock, flags); - - MAL_DBG(mal, "enable_rx(%d)" NL, channel); - - set_mal_dcrn(mal, MAL_RXCASR, - get_mal_dcrn(mal, MAL_RXCASR) | MAL_CHAN_MASK(channel)); - - spin_unlock_irqrestore(&mal->lock, flags); -} - -void mal_disable_rx_channel(struct mal_instance *mal, int channel) -{ - /* - * On some 4xx PPC's (e.g. 460EX/GT), the rx channel is a multiple - * of 8, but enabling in MAL_RXCASR needs the divided by 8 value - * for the bitmask - */ - if (!(channel % 8)) - channel >>= 3; - - set_mal_dcrn(mal, MAL_RXCARR, MAL_CHAN_MASK(channel)); - - MAL_DBG(mal, "disable_rx(%d)" NL, channel); -} - -void mal_poll_add(struct mal_instance *mal, struct mal_commac *commac) -{ - unsigned long flags; - - spin_lock_irqsave(&mal->lock, flags); - - MAL_DBG(mal, "poll_add(%p)" NL, commac); - - /* starts disabled */ - set_bit(MAL_COMMAC_POLL_DISABLED, &commac->flags); - - list_add_tail(&commac->poll_list, &mal->poll_list); - - spin_unlock_irqrestore(&mal->lock, flags); -} - -void mal_poll_del(struct mal_instance *mal, struct mal_commac *commac) -{ - unsigned long flags; - - spin_lock_irqsave(&mal->lock, flags); - - MAL_DBG(mal, "poll_del(%p)" NL, commac); - - list_del(&commac->poll_list); - - spin_unlock_irqrestore(&mal->lock, flags); -} - -/* synchronized by mal_poll() */ -static inline void mal_enable_eob_irq(struct mal_instance *mal) -{ - MAL_DBG2(mal, "enable_irq" NL); - - // XXX might want to cache MAL_CFG as the DCR read can be slooooow - set_mal_dcrn(mal, MAL_CFG, get_mal_dcrn(mal, MAL_CFG) | MAL_CFG_EOPIE); -} - -/* synchronized by NAPI state */ -static inline void mal_disable_eob_irq(struct mal_instance *mal) -{ - // XXX might want to cache MAL_CFG as the DCR read can be slooooow - set_mal_dcrn(mal, MAL_CFG, get_mal_dcrn(mal, MAL_CFG) & ~MAL_CFG_EOPIE); - - MAL_DBG2(mal, "disable_irq" NL); -} - -static irqreturn_t mal_serr(int irq, void *dev_instance) -{ - struct mal_instance *mal = dev_instance; - - u32 esr = get_mal_dcrn(mal, MAL_ESR); - - /* Clear the error status register */ - set_mal_dcrn(mal, MAL_ESR, esr); - - MAL_DBG(mal, "SERR %08x" NL, esr); - - if (esr & MAL_ESR_EVB) { - if (esr & MAL_ESR_DE) { - /* We ignore Descriptor error, - * TXDE or RXDE interrupt will be generated anyway. - */ - return IRQ_HANDLED; - } - - if (esr & MAL_ESR_PEIN) { - /* PLB error, it's probably buggy hardware or - * incorrect physical address in BD (i.e. bug) - */ - if (net_ratelimit()) - printk(KERN_ERR - "mal%d: system error, " - "PLB (ESR = 0x%08x)\n", - mal->index, esr); - return IRQ_HANDLED; - } - - /* OPB error, it's probably buggy hardware or incorrect - * EBC setup - */ - if (net_ratelimit()) - printk(KERN_ERR - "mal%d: system error, OPB (ESR = 0x%08x)\n", - mal->index, esr); - } - return IRQ_HANDLED; -} - -static inline void mal_schedule_poll(struct mal_instance *mal) -{ - if (likely(napi_schedule_prep(&mal->napi))) { - MAL_DBG2(mal, "schedule_poll" NL); - mal_disable_eob_irq(mal); - __napi_schedule(&mal->napi); - } else - MAL_DBG2(mal, "already in poll" NL); -} - -static irqreturn_t mal_txeob(int irq, void *dev_instance) -{ - struct mal_instance *mal = dev_instance; - - u32 r = get_mal_dcrn(mal, MAL_TXEOBISR); - - MAL_DBG2(mal, "txeob %08x" NL, r); - - mal_schedule_poll(mal); - set_mal_dcrn(mal, MAL_TXEOBISR, r); - -#ifdef CONFIG_PPC_DCR_NATIVE - if (mal_has_feature(mal, MAL_FTR_CLEAR_ICINTSTAT)) - mtdcri(SDR0, DCRN_SDR_ICINTSTAT, - (mfdcri(SDR0, DCRN_SDR_ICINTSTAT) | ICINTSTAT_ICTX)); -#endif - - return IRQ_HANDLED; -} - -static irqreturn_t mal_rxeob(int irq, void *dev_instance) -{ - struct mal_instance *mal = dev_instance; - - u32 r = get_mal_dcrn(mal, MAL_RXEOBISR); - - MAL_DBG2(mal, "rxeob %08x" NL, r); - - mal_schedule_poll(mal); - set_mal_dcrn(mal, MAL_RXEOBISR, r); - -#ifdef CONFIG_PPC_DCR_NATIVE - if (mal_has_feature(mal, MAL_FTR_CLEAR_ICINTSTAT)) - mtdcri(SDR0, DCRN_SDR_ICINTSTAT, - (mfdcri(SDR0, DCRN_SDR_ICINTSTAT) | ICINTSTAT_ICRX)); -#endif - - return IRQ_HANDLED; -} - -static irqreturn_t mal_txde(int irq, void *dev_instance) -{ - struct mal_instance *mal = dev_instance; - - u32 deir = get_mal_dcrn(mal, MAL_TXDEIR); - set_mal_dcrn(mal, MAL_TXDEIR, deir); - - MAL_DBG(mal, "txde %08x" NL, deir); - - if (net_ratelimit()) - printk(KERN_ERR - "mal%d: TX descriptor error (TXDEIR = 0x%08x)\n", - mal->index, deir); - - return IRQ_HANDLED; -} - -static irqreturn_t mal_rxde(int irq, void *dev_instance) -{ - struct mal_instance *mal = dev_instance; - struct list_head *l; - - u32 deir = get_mal_dcrn(mal, MAL_RXDEIR); - - MAL_DBG(mal, "rxde %08x" NL, deir); - - list_for_each(l, &mal->list) { - struct mal_commac *mc = list_entry(l, struct mal_commac, list); - if (deir & mc->rx_chan_mask) { - set_bit(MAL_COMMAC_RX_STOPPED, &mc->flags); - mc->ops->rxde(mc->dev); - } - } - - mal_schedule_poll(mal); - set_mal_dcrn(mal, MAL_RXDEIR, deir); - - return IRQ_HANDLED; -} - -static irqreturn_t mal_int(int irq, void *dev_instance) -{ - struct mal_instance *mal = dev_instance; - u32 esr = get_mal_dcrn(mal, MAL_ESR); - - if (esr & MAL_ESR_EVB) { - /* descriptor error */ - if (esr & MAL_ESR_DE) { - if (esr & MAL_ESR_CIDT) - return mal_rxde(irq, dev_instance); - else - return mal_txde(irq, dev_instance); - } else { /* SERR */ - return mal_serr(irq, dev_instance); - } - } - return IRQ_HANDLED; -} - -void mal_poll_disable(struct mal_instance *mal, struct mal_commac *commac) -{ - /* Spinlock-type semantics: only one caller disable poll at a time */ - while (test_and_set_bit(MAL_COMMAC_POLL_DISABLED, &commac->flags)) - msleep(1); - - /* Synchronize with the MAL NAPI poller */ - napi_synchronize(&mal->napi); -} - -void mal_poll_enable(struct mal_instance *mal, struct mal_commac *commac) -{ - smp_wmb(); - clear_bit(MAL_COMMAC_POLL_DISABLED, &commac->flags); - - /* Feels better to trigger a poll here to catch up with events that - * may have happened on this channel while disabled. It will most - * probably be delayed until the next interrupt but that's mostly a - * non-issue in the context where this is called. - */ - napi_schedule(&mal->napi); -} - -static int mal_poll(struct napi_struct *napi, int budget) -{ - struct mal_instance *mal = container_of(napi, struct mal_instance, napi); - struct list_head *l; - int received = 0; - unsigned long flags; - - MAL_DBG2(mal, "poll(%d)" NL, budget); - again: - /* Process TX skbs */ - list_for_each(l, &mal->poll_list) { - struct mal_commac *mc = - list_entry(l, struct mal_commac, poll_list); - mc->ops->poll_tx(mc->dev); - } - - /* Process RX skbs. - * - * We _might_ need something more smart here to enforce polling - * fairness. - */ - list_for_each(l, &mal->poll_list) { - struct mal_commac *mc = - list_entry(l, struct mal_commac, poll_list); - int n; - if (unlikely(test_bit(MAL_COMMAC_POLL_DISABLED, &mc->flags))) - continue; - n = mc->ops->poll_rx(mc->dev, budget); - if (n) { - received += n; - budget -= n; - if (budget <= 0) - goto more_work; // XXX What if this is the last one ? - } - } - - /* We need to disable IRQs to protect from RXDE IRQ here */ - spin_lock_irqsave(&mal->lock, flags); - __napi_complete(napi); - mal_enable_eob_irq(mal); - spin_unlock_irqrestore(&mal->lock, flags); - - /* Check for "rotting" packet(s) */ - list_for_each(l, &mal->poll_list) { - struct mal_commac *mc = - list_entry(l, struct mal_commac, poll_list); - if (unlikely(test_bit(MAL_COMMAC_POLL_DISABLED, &mc->flags))) - continue; - if (unlikely(mc->ops->peek_rx(mc->dev) || - test_bit(MAL_COMMAC_RX_STOPPED, &mc->flags))) { - MAL_DBG2(mal, "rotting packet" NL); - if (napi_reschedule(napi)) - mal_disable_eob_irq(mal); - else - MAL_DBG2(mal, "already in poll list" NL); - - if (budget > 0) - goto again; - else - goto more_work; - } - mc->ops->poll_tx(mc->dev); - } - - more_work: - MAL_DBG2(mal, "poll() %d <- %d" NL, budget, received); - return received; -} - -static void mal_reset(struct mal_instance *mal) -{ - int n = 10; - - MAL_DBG(mal, "reset" NL); - - set_mal_dcrn(mal, MAL_CFG, MAL_CFG_SR); - - /* Wait for reset to complete (1 system clock) */ - while ((get_mal_dcrn(mal, MAL_CFG) & MAL_CFG_SR) && n) - --n; - - if (unlikely(!n)) - printk(KERN_ERR "mal%d: reset timeout\n", mal->index); -} - -int mal_get_regs_len(struct mal_instance *mal) -{ - return sizeof(struct emac_ethtool_regs_subhdr) + - sizeof(struct mal_regs); -} - -void *mal_dump_regs(struct mal_instance *mal, void *buf) -{ - struct emac_ethtool_regs_subhdr *hdr = buf; - struct mal_regs *regs = (struct mal_regs *)(hdr + 1); - int i; - - hdr->version = mal->version; - hdr->index = mal->index; - - regs->tx_count = mal->num_tx_chans; - regs->rx_count = mal->num_rx_chans; - - regs->cfg = get_mal_dcrn(mal, MAL_CFG); - regs->esr = get_mal_dcrn(mal, MAL_ESR); - regs->ier = get_mal_dcrn(mal, MAL_IER); - regs->tx_casr = get_mal_dcrn(mal, MAL_TXCASR); - regs->tx_carr = get_mal_dcrn(mal, MAL_TXCARR); - regs->tx_eobisr = get_mal_dcrn(mal, MAL_TXEOBISR); - regs->tx_deir = get_mal_dcrn(mal, MAL_TXDEIR); - regs->rx_casr = get_mal_dcrn(mal, MAL_RXCASR); - regs->rx_carr = get_mal_dcrn(mal, MAL_RXCARR); - regs->rx_eobisr = get_mal_dcrn(mal, MAL_RXEOBISR); - regs->rx_deir = get_mal_dcrn(mal, MAL_RXDEIR); - - for (i = 0; i < regs->tx_count; ++i) - regs->tx_ctpr[i] = get_mal_dcrn(mal, MAL_TXCTPR(i)); - - for (i = 0; i < regs->rx_count; ++i) { - regs->rx_ctpr[i] = get_mal_dcrn(mal, MAL_RXCTPR(i)); - regs->rcbs[i] = get_mal_dcrn(mal, MAL_RCBS(i)); - } - return regs + 1; -} - -static int __devinit mal_probe(struct platform_device *ofdev) -{ - struct mal_instance *mal; - int err = 0, i, bd_size; - int index = mal_count++; - unsigned int dcr_base; - const u32 *prop; - u32 cfg; - unsigned long irqflags; - irq_handler_t hdlr_serr, hdlr_txde, hdlr_rxde; - - mal = kzalloc(sizeof(struct mal_instance), GFP_KERNEL); - if (!mal) { - printk(KERN_ERR - "mal%d: out of memory allocating MAL structure!\n", - index); - return -ENOMEM; - } - mal->index = index; - mal->ofdev = ofdev; - mal->version = of_device_is_compatible(ofdev->dev.of_node, "ibm,mcmal2") ? 2 : 1; - - MAL_DBG(mal, "probe" NL); - - prop = of_get_property(ofdev->dev.of_node, "num-tx-chans", NULL); - if (prop == NULL) { - printk(KERN_ERR - "mal%d: can't find MAL num-tx-chans property!\n", - index); - err = -ENODEV; - goto fail; - } - mal->num_tx_chans = prop[0]; - - prop = of_get_property(ofdev->dev.of_node, "num-rx-chans", NULL); - if (prop == NULL) { - printk(KERN_ERR - "mal%d: can't find MAL num-rx-chans property!\n", - index); - err = -ENODEV; - goto fail; - } - mal->num_rx_chans = prop[0]; - - dcr_base = dcr_resource_start(ofdev->dev.of_node, 0); - if (dcr_base == 0) { - printk(KERN_ERR - "mal%d: can't find DCR resource!\n", index); - err = -ENODEV; - goto fail; - } - mal->dcr_host = dcr_map(ofdev->dev.of_node, dcr_base, 0x100); - if (!DCR_MAP_OK(mal->dcr_host)) { - printk(KERN_ERR - "mal%d: failed to map DCRs !\n", index); - err = -ENODEV; - goto fail; - } - - if (of_device_is_compatible(ofdev->dev.of_node, "ibm,mcmal-405ez")) { -#if defined(CONFIG_IBM_EMAC_MAL_CLR_ICINTSTAT) && \ - defined(CONFIG_IBM_EMAC_MAL_COMMON_ERR) - mal->features |= (MAL_FTR_CLEAR_ICINTSTAT | - MAL_FTR_COMMON_ERR_INT); -#else - printk(KERN_ERR "%s: Support for 405EZ not enabled!\n", - ofdev->dev.of_node->full_name); - err = -ENODEV; - goto fail; -#endif - } - - mal->txeob_irq = irq_of_parse_and_map(ofdev->dev.of_node, 0); - mal->rxeob_irq = irq_of_parse_and_map(ofdev->dev.of_node, 1); - mal->serr_irq = irq_of_parse_and_map(ofdev->dev.of_node, 2); - - if (mal_has_feature(mal, MAL_FTR_COMMON_ERR_INT)) { - mal->txde_irq = mal->rxde_irq = mal->serr_irq; - } else { - mal->txde_irq = irq_of_parse_and_map(ofdev->dev.of_node, 3); - mal->rxde_irq = irq_of_parse_and_map(ofdev->dev.of_node, 4); - } - - if (mal->txeob_irq == NO_IRQ || mal->rxeob_irq == NO_IRQ || - mal->serr_irq == NO_IRQ || mal->txde_irq == NO_IRQ || - mal->rxde_irq == NO_IRQ) { - printk(KERN_ERR - "mal%d: failed to map interrupts !\n", index); - err = -ENODEV; - goto fail_unmap; - } - - INIT_LIST_HEAD(&mal->poll_list); - INIT_LIST_HEAD(&mal->list); - spin_lock_init(&mal->lock); - - init_dummy_netdev(&mal->dummy_dev); - - netif_napi_add(&mal->dummy_dev, &mal->napi, mal_poll, - CONFIG_IBM_EMAC_POLL_WEIGHT); - - /* Load power-on reset defaults */ - mal_reset(mal); - - /* Set the MAL configuration register */ - cfg = (mal->version == 2) ? MAL2_CFG_DEFAULT : MAL1_CFG_DEFAULT; - cfg |= MAL_CFG_PLBB | MAL_CFG_OPBBL | MAL_CFG_LEA; - - /* Current Axon is not happy with priority being non-0, it can - * deadlock, fix it up here - */ - if (of_device_is_compatible(ofdev->dev.of_node, "ibm,mcmal-axon")) - cfg &= ~(MAL2_CFG_RPP_10 | MAL2_CFG_WPP_10); - - /* Apply configuration */ - set_mal_dcrn(mal, MAL_CFG, cfg); - - /* Allocate space for BD rings */ - BUG_ON(mal->num_tx_chans <= 0 || mal->num_tx_chans > 32); - BUG_ON(mal->num_rx_chans <= 0 || mal->num_rx_chans > 32); - - bd_size = sizeof(struct mal_descriptor) * - (NUM_TX_BUFF * mal->num_tx_chans + - NUM_RX_BUFF * mal->num_rx_chans); - mal->bd_virt = - dma_alloc_coherent(&ofdev->dev, bd_size, &mal->bd_dma, - GFP_KERNEL); - if (mal->bd_virt == NULL) { - printk(KERN_ERR - "mal%d: out of memory allocating RX/TX descriptors!\n", - index); - err = -ENOMEM; - goto fail_unmap; - } - memset(mal->bd_virt, 0, bd_size); - - for (i = 0; i < mal->num_tx_chans; ++i) - set_mal_dcrn(mal, MAL_TXCTPR(i), mal->bd_dma + - sizeof(struct mal_descriptor) * - mal_tx_bd_offset(mal, i)); - - for (i = 0; i < mal->num_rx_chans; ++i) - set_mal_dcrn(mal, MAL_RXCTPR(i), mal->bd_dma + - sizeof(struct mal_descriptor) * - mal_rx_bd_offset(mal, i)); - - if (mal_has_feature(mal, MAL_FTR_COMMON_ERR_INT)) { - irqflags = IRQF_SHARED; - hdlr_serr = hdlr_txde = hdlr_rxde = mal_int; - } else { - irqflags = 0; - hdlr_serr = mal_serr; - hdlr_txde = mal_txde; - hdlr_rxde = mal_rxde; - } - - err = request_irq(mal->serr_irq, hdlr_serr, irqflags, "MAL SERR", mal); - if (err) - goto fail2; - err = request_irq(mal->txde_irq, hdlr_txde, irqflags, "MAL TX DE", mal); - if (err) - goto fail3; - err = request_irq(mal->txeob_irq, mal_txeob, 0, "MAL TX EOB", mal); - if (err) - goto fail4; - err = request_irq(mal->rxde_irq, hdlr_rxde, irqflags, "MAL RX DE", mal); - if (err) - goto fail5; - err = request_irq(mal->rxeob_irq, mal_rxeob, 0, "MAL RX EOB", mal); - if (err) - goto fail6; - - /* Enable all MAL SERR interrupt sources */ - if (mal->version == 2) - set_mal_dcrn(mal, MAL_IER, MAL2_IER_EVENTS); - else - set_mal_dcrn(mal, MAL_IER, MAL1_IER_EVENTS); - - /* Enable EOB interrupt */ - mal_enable_eob_irq(mal); - - printk(KERN_INFO - "MAL v%d %s, %d TX channels, %d RX channels\n", - mal->version, ofdev->dev.of_node->full_name, - mal->num_tx_chans, mal->num_rx_chans); - - /* Advertise this instance to the rest of the world */ - wmb(); - dev_set_drvdata(&ofdev->dev, mal); - - mal_dbg_register(mal); - - return 0; - - fail6: - free_irq(mal->rxde_irq, mal); - fail5: - free_irq(mal->txeob_irq, mal); - fail4: - free_irq(mal->txde_irq, mal); - fail3: - free_irq(mal->serr_irq, mal); - fail2: - dma_free_coherent(&ofdev->dev, bd_size, mal->bd_virt, mal->bd_dma); - fail_unmap: - dcr_unmap(mal->dcr_host, 0x100); - fail: - kfree(mal); - - return err; -} - -static int __devexit mal_remove(struct platform_device *ofdev) -{ - struct mal_instance *mal = dev_get_drvdata(&ofdev->dev); - - MAL_DBG(mal, "remove" NL); - - /* Synchronize with scheduled polling */ - napi_disable(&mal->napi); - - if (!list_empty(&mal->list)) { - /* This is *very* bad */ - printk(KERN_EMERG - "mal%d: commac list is not empty on remove!\n", - mal->index); - WARN_ON(1); - } - - dev_set_drvdata(&ofdev->dev, NULL); - - free_irq(mal->serr_irq, mal); - free_irq(mal->txde_irq, mal); - free_irq(mal->txeob_irq, mal); - free_irq(mal->rxde_irq, mal); - free_irq(mal->rxeob_irq, mal); - - mal_reset(mal); - - mal_dbg_unregister(mal); - - dma_free_coherent(&ofdev->dev, - sizeof(struct mal_descriptor) * - (NUM_TX_BUFF * mal->num_tx_chans + - NUM_RX_BUFF * mal->num_rx_chans), mal->bd_virt, - mal->bd_dma); - kfree(mal); - - return 0; -} - -static struct of_device_id mal_platform_match[] = -{ - { - .compatible = "ibm,mcmal", - }, - { - .compatible = "ibm,mcmal2", - }, - /* Backward compat */ - { - .type = "mcmal-dma", - .compatible = "ibm,mcmal", - }, - { - .type = "mcmal-dma", - .compatible = "ibm,mcmal2", - }, - {}, -}; - -static struct platform_driver mal_of_driver = { - .driver = { - .name = "mcmal", - .owner = THIS_MODULE, - .of_match_table = mal_platform_match, - }, - .probe = mal_probe, - .remove = mal_remove, -}; - -int __init mal_init(void) -{ - return platform_driver_register(&mal_of_driver); -} - -void mal_exit(void) -{ - platform_driver_unregister(&mal_of_driver); -} diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/mal.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/mal.h deleted file mode 100644 index e431a32e..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/mal.h +++ /dev/null @@ -1,316 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/mal.h - * - * Memory Access Layer (MAL) support - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright (c) 2004, 2005 Zultys Technologies. - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * - * Based on original work by - * Armin Kuster <akuster@mvista.com> - * Copyright 2002 MontaVista Softare Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ -#ifndef __IBM_NEWEMAC_MAL_H -#define __IBM_NEWEMAC_MAL_H - -/* - * There are some variations on the MAL, we express them in this driver as - * MAL Version 1 and 2 though that doesn't match any IBM terminology. - * - * We call MAL 1 the version in 405GP, 405GPR, 405EP, 440EP, 440GR and - * NP405H. - * - * We call MAL 2 the version in 440GP, 440GX, 440SP, 440SPE and Axon - * - * The driver expects a "version" property in the emac node containing - * a number 1 or 2. New device-trees for EMAC capable platforms are thus - * required to include that when porting to arch/powerpc. - */ - -/* MALx DCR registers */ -#define MAL_CFG 0x00 -#define MAL_CFG_SR 0x80000000 -#define MAL_CFG_PLBB 0x00004000 -#define MAL_CFG_OPBBL 0x00000080 -#define MAL_CFG_EOPIE 0x00000004 -#define MAL_CFG_LEA 0x00000002 -#define MAL_CFG_SD 0x00000001 - -/* MAL V1 CFG bits */ -#define MAL1_CFG_PLBP_MASK 0x00c00000 -#define MAL1_CFG_PLBP_10 0x00800000 -#define MAL1_CFG_GA 0x00200000 -#define MAL1_CFG_OA 0x00100000 -#define MAL1_CFG_PLBLE 0x00080000 -#define MAL1_CFG_PLBT_MASK 0x00078000 -#define MAL1_CFG_DEFAULT (MAL1_CFG_PLBP_10 | MAL1_CFG_PLBT_MASK) - -/* MAL V2 CFG bits */ -#define MAL2_CFG_RPP_MASK 0x00c00000 -#define MAL2_CFG_RPP_10 0x00800000 -#define MAL2_CFG_RMBS_MASK 0x00300000 -#define MAL2_CFG_WPP_MASK 0x000c0000 -#define MAL2_CFG_WPP_10 0x00080000 -#define MAL2_CFG_WMBS_MASK 0x00030000 -#define MAL2_CFG_PLBLE 0x00008000 -#define MAL2_CFG_DEFAULT (MAL2_CFG_RMBS_MASK | MAL2_CFG_WMBS_MASK | \ - MAL2_CFG_RPP_10 | MAL2_CFG_WPP_10) - -#define MAL_ESR 0x01 -#define MAL_ESR_EVB 0x80000000 -#define MAL_ESR_CIDT 0x40000000 -#define MAL_ESR_CID_MASK 0x3e000000 -#define MAL_ESR_CID_SHIFT 25 -#define MAL_ESR_DE 0x00100000 -#define MAL_ESR_OTE 0x00040000 -#define MAL_ESR_OSE 0x00020000 -#define MAL_ESR_PEIN 0x00010000 -#define MAL_ESR_DEI 0x00000010 -#define MAL_ESR_OTEI 0x00000004 -#define MAL_ESR_OSEI 0x00000002 -#define MAL_ESR_PBEI 0x00000001 - -/* MAL V1 ESR bits */ -#define MAL1_ESR_ONE 0x00080000 -#define MAL1_ESR_ONEI 0x00000008 - -/* MAL V2 ESR bits */ -#define MAL2_ESR_PTE 0x00800000 -#define MAL2_ESR_PRE 0x00400000 -#define MAL2_ESR_PWE 0x00200000 -#define MAL2_ESR_PTEI 0x00000080 -#define MAL2_ESR_PREI 0x00000040 -#define MAL2_ESR_PWEI 0x00000020 - - -#define MAL_IER 0x02 -#define MAL_IER_DE 0x00000010 -#define MAL_IER_OTE 0x00000004 -#define MAL_IER_OE 0x00000002 -#define MAL_IER_PE 0x00000001 -/* MAL V1 IER bits */ -#define MAL1_IER_NWE 0x00000008 -#define MAL1_IER_SOC_EVENTS MAL1_IER_NWE -#define MAL1_IER_EVENTS (MAL1_IER_SOC_EVENTS | MAL_IER_DE | \ - MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE) - -/* MAL V2 IER bits */ -#define MAL2_IER_PT 0x00000080 -#define MAL2_IER_PRE 0x00000040 -#define MAL2_IER_PWE 0x00000020 -#define MAL2_IER_SOC_EVENTS (MAL2_IER_PT | MAL2_IER_PRE | MAL2_IER_PWE) -#define MAL2_IER_EVENTS (MAL2_IER_SOC_EVENTS | MAL_IER_DE | \ - MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE) - - -#define MAL_TXCASR 0x04 -#define MAL_TXCARR 0x05 -#define MAL_TXEOBISR 0x06 -#define MAL_TXDEIR 0x07 -#define MAL_RXCASR 0x10 -#define MAL_RXCARR 0x11 -#define MAL_RXEOBISR 0x12 -#define MAL_RXDEIR 0x13 -#define MAL_TXCTPR(n) ((n) + 0x20) -#define MAL_RXCTPR(n) ((n) + 0x40) -#define MAL_RCBS(n) ((n) + 0x60) - -/* In reality MAL can handle TX buffers up to 4095 bytes long, - * but this isn't a good round number :) --ebs - */ -#define MAL_MAX_TX_SIZE 4080 -#define MAL_MAX_RX_SIZE 4080 - -static inline int mal_rx_size(int len) -{ - len = (len + 0xf) & ~0xf; - return len > MAL_MAX_RX_SIZE ? MAL_MAX_RX_SIZE : len; -} - -static inline int mal_tx_chunks(int len) -{ - return (len + MAL_MAX_TX_SIZE - 1) / MAL_MAX_TX_SIZE; -} - -#define MAL_CHAN_MASK(n) (0x80000000 >> (n)) - -/* MAL Buffer Descriptor structure */ -struct mal_descriptor { - u16 ctrl; /* MAL / Commac status control bits */ - u16 data_len; /* Max length is 4K-1 (12 bits) */ - u32 data_ptr; /* pointer to actual data buffer */ -}; - -/* the following defines are for the MadMAL status and control registers. */ -/* MADMAL transmit and receive status/control bits */ -#define MAL_RX_CTRL_EMPTY 0x8000 -#define MAL_RX_CTRL_WRAP 0x4000 -#define MAL_RX_CTRL_CM 0x2000 -#define MAL_RX_CTRL_LAST 0x1000 -#define MAL_RX_CTRL_FIRST 0x0800 -#define MAL_RX_CTRL_INTR 0x0400 -#define MAL_RX_CTRL_SINGLE (MAL_RX_CTRL_LAST | MAL_RX_CTRL_FIRST) -#define MAL_IS_SINGLE_RX(ctrl) (((ctrl) & MAL_RX_CTRL_SINGLE) == MAL_RX_CTRL_SINGLE) - -#define MAL_TX_CTRL_READY 0x8000 -#define MAL_TX_CTRL_WRAP 0x4000 -#define MAL_TX_CTRL_CM 0x2000 -#define MAL_TX_CTRL_LAST 0x1000 -#define MAL_TX_CTRL_INTR 0x0400 - -struct mal_commac_ops { - void (*poll_tx) (void *dev); - int (*poll_rx) (void *dev, int budget); - int (*peek_rx) (void *dev); - void (*rxde) (void *dev); -}; - -struct mal_commac { - struct mal_commac_ops *ops; - void *dev; - struct list_head poll_list; - long flags; -#define MAL_COMMAC_RX_STOPPED 0 -#define MAL_COMMAC_POLL_DISABLED 1 - u32 tx_chan_mask; - u32 rx_chan_mask; - struct list_head list; -}; - -struct mal_instance { - int version; - dcr_host_t dcr_host; - - int num_tx_chans; /* Number of TX channels */ - int num_rx_chans; /* Number of RX channels */ - int txeob_irq; /* TX End Of Buffer IRQ */ - int rxeob_irq; /* RX End Of Buffer IRQ */ - int txde_irq; /* TX Descriptor Error IRQ */ - int rxde_irq; /* RX Descriptor Error IRQ */ - int serr_irq; /* MAL System Error IRQ */ - - struct list_head poll_list; - struct napi_struct napi; - - struct list_head list; - u32 tx_chan_mask; - u32 rx_chan_mask; - - dma_addr_t bd_dma; - struct mal_descriptor *bd_virt; - - struct platform_device *ofdev; - int index; - spinlock_t lock; - - struct net_device dummy_dev; - - unsigned int features; -}; - -static inline u32 get_mal_dcrn(struct mal_instance *mal, int reg) -{ - return dcr_read(mal->dcr_host, reg); -} - -static inline void set_mal_dcrn(struct mal_instance *mal, int reg, u32 val) -{ - dcr_write(mal->dcr_host, reg, val); -} - -/* Features of various MAL implementations */ - -/* Set if you have interrupt coalescing and you have to clear the SDR - * register for TXEOB and RXEOB interrupts to work - */ -#define MAL_FTR_CLEAR_ICINTSTAT 0x00000001 - -/* Set if your MAL has SERR, TXDE, and RXDE OR'd into a single UIC - * interrupt - */ -#define MAL_FTR_COMMON_ERR_INT 0x00000002 - -enum { - MAL_FTRS_ALWAYS = 0, - - MAL_FTRS_POSSIBLE = -#ifdef CONFIG_IBM_EMAC_MAL_CLR_ICINTSTAT - MAL_FTR_CLEAR_ICINTSTAT | -#endif -#ifdef CONFIG_IBM_EMAC_MAL_COMMON_ERR - MAL_FTR_COMMON_ERR_INT | -#endif - 0, -}; - -static inline int mal_has_feature(struct mal_instance *dev, - unsigned long feature) -{ - return (MAL_FTRS_ALWAYS & feature) || - (MAL_FTRS_POSSIBLE & dev->features & feature); -} - -/* Register MAL devices */ -int mal_init(void); -void mal_exit(void); - -int mal_register_commac(struct mal_instance *mal, - struct mal_commac *commac); -void mal_unregister_commac(struct mal_instance *mal, - struct mal_commac *commac); -int mal_set_rcbs(struct mal_instance *mal, int channel, unsigned long size); - -/* Returns BD ring offset for a particular channel - (in 'struct mal_descriptor' elements) -*/ -int mal_tx_bd_offset(struct mal_instance *mal, int channel); -int mal_rx_bd_offset(struct mal_instance *mal, int channel); - -void mal_enable_tx_channel(struct mal_instance *mal, int channel); -void mal_disable_tx_channel(struct mal_instance *mal, int channel); -void mal_enable_rx_channel(struct mal_instance *mal, int channel); -void mal_disable_rx_channel(struct mal_instance *mal, int channel); - -void mal_poll_disable(struct mal_instance *mal, struct mal_commac *commac); -void mal_poll_enable(struct mal_instance *mal, struct mal_commac *commac); - -/* Add/remove EMAC to/from MAL polling list */ -void mal_poll_add(struct mal_instance *mal, struct mal_commac *commac); -void mal_poll_del(struct mal_instance *mal, struct mal_commac *commac); - -/* Ethtool MAL registers */ -struct mal_regs { - u32 tx_count; - u32 rx_count; - - u32 cfg; - u32 esr; - u32 ier; - u32 tx_casr; - u32 tx_carr; - u32 tx_eobisr; - u32 tx_deir; - u32 rx_casr; - u32 rx_carr; - u32 rx_eobisr; - u32 rx_deir; - u32 tx_ctpr[32]; - u32 rx_ctpr[32]; - u32 rcbs[32]; -}; - -int mal_get_regs_len(struct mal_instance *mal); -void *mal_dump_regs(struct mal_instance *mal, void *buf); - -#endif /* __IBM_NEWEMAC_MAL_H */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/phy.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/phy.c deleted file mode 100644 index d3b9d103..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/phy.c +++ /dev/null @@ -1,541 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/phy.c - * - * Driver for PowerPC 4xx on-chip ethernet controller, PHY support. - * Borrowed from sungem_phy.c, though I only kept the generic MII - * driver for now. - * - * This file should be shared with other drivers or eventually - * merged as the "low level" part of miilib - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * (c) 2003, Benjamin Herrenscmidt (benh@kernel.crashing.org) - * (c) 2004-2005, Eugene Surovegin <ebs@ebshome.net> - * - */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/netdevice.h> -#include <linux/mii.h> -#include <linux/ethtool.h> -#include <linux/delay.h> - -#include "emac.h" -#include "phy.h" - -#define phy_read _phy_read -#define phy_write _phy_write - -static inline int _phy_read(struct mii_phy *phy, int reg) -{ - return phy->mdio_read(phy->dev, phy->address, reg); -} - -static inline void _phy_write(struct mii_phy *phy, int reg, int val) -{ - phy->mdio_write(phy->dev, phy->address, reg, val); -} - -static inline int gpcs_phy_read(struct mii_phy *phy, int reg) -{ - return phy->mdio_read(phy->dev, phy->gpcs_address, reg); -} - -static inline void gpcs_phy_write(struct mii_phy *phy, int reg, int val) -{ - phy->mdio_write(phy->dev, phy->gpcs_address, reg, val); -} - -int emac_mii_reset_phy(struct mii_phy *phy) -{ - int val; - int limit = 10000; - - val = phy_read(phy, MII_BMCR); - val &= ~(BMCR_ISOLATE | BMCR_ANENABLE); - val |= BMCR_RESET; - phy_write(phy, MII_BMCR, val); - - udelay(300); - - while (--limit) { - val = phy_read(phy, MII_BMCR); - if (val >= 0 && (val & BMCR_RESET) == 0) - break; - udelay(10); - } - if ((val & BMCR_ISOLATE) && limit > 0) - phy_write(phy, MII_BMCR, val & ~BMCR_ISOLATE); - - return limit <= 0; -} - -int emac_mii_reset_gpcs(struct mii_phy *phy) -{ - int val; - int limit = 10000; - - val = gpcs_phy_read(phy, MII_BMCR); - val &= ~(BMCR_ISOLATE | BMCR_ANENABLE); - val |= BMCR_RESET; - gpcs_phy_write(phy, MII_BMCR, val); - - udelay(300); - - while (--limit) { - val = gpcs_phy_read(phy, MII_BMCR); - if (val >= 0 && (val & BMCR_RESET) == 0) - break; - udelay(10); - } - if ((val & BMCR_ISOLATE) && limit > 0) - gpcs_phy_write(phy, MII_BMCR, val & ~BMCR_ISOLATE); - - if (limit > 0 && phy->mode == PHY_MODE_SGMII) { - /* Configure GPCS interface to recommended setting for SGMII */ - gpcs_phy_write(phy, 0x04, 0x8120); /* AsymPause, FDX */ - gpcs_phy_write(phy, 0x07, 0x2801); /* msg_pg, toggle */ - gpcs_phy_write(phy, 0x00, 0x0140); /* 1Gbps, FDX */ - } - - return limit <= 0; -} - -static int genmii_setup_aneg(struct mii_phy *phy, u32 advertise) -{ - int ctl, adv; - - phy->autoneg = AUTONEG_ENABLE; - phy->speed = SPEED_10; - phy->duplex = DUPLEX_HALF; - phy->pause = phy->asym_pause = 0; - phy->advertising = advertise; - - ctl = phy_read(phy, MII_BMCR); - if (ctl < 0) - return ctl; - ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_SPEED1000 | BMCR_ANENABLE); - - /* First clear the PHY */ - phy_write(phy, MII_BMCR, ctl); - - /* Setup standard advertise */ - adv = phy_read(phy, MII_ADVERTISE); - if (adv < 0) - return adv; - adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | - ADVERTISE_PAUSE_ASYM); - if (advertise & ADVERTISED_10baseT_Half) - adv |= ADVERTISE_10HALF; - if (advertise & ADVERTISED_10baseT_Full) - adv |= ADVERTISE_10FULL; - if (advertise & ADVERTISED_100baseT_Half) - adv |= ADVERTISE_100HALF; - if (advertise & ADVERTISED_100baseT_Full) - adv |= ADVERTISE_100FULL; - if (advertise & ADVERTISED_Pause) - adv |= ADVERTISE_PAUSE_CAP; - if (advertise & ADVERTISED_Asym_Pause) - adv |= ADVERTISE_PAUSE_ASYM; - phy_write(phy, MII_ADVERTISE, adv); - - if (phy->features & - (SUPPORTED_1000baseT_Full | SUPPORTED_1000baseT_Half)) { - adv = phy_read(phy, MII_CTRL1000); - if (adv < 0) - return adv; - adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); - if (advertise & ADVERTISED_1000baseT_Full) - adv |= ADVERTISE_1000FULL; - if (advertise & ADVERTISED_1000baseT_Half) - adv |= ADVERTISE_1000HALF; - phy_write(phy, MII_CTRL1000, adv); - } - - /* Start/Restart aneg */ - ctl = phy_read(phy, MII_BMCR); - ctl |= (BMCR_ANENABLE | BMCR_ANRESTART); - phy_write(phy, MII_BMCR, ctl); - - return 0; -} - -static int genmii_setup_forced(struct mii_phy *phy, int speed, int fd) -{ - int ctl; - - phy->autoneg = AUTONEG_DISABLE; - phy->speed = speed; - phy->duplex = fd; - phy->pause = phy->asym_pause = 0; - - ctl = phy_read(phy, MII_BMCR); - if (ctl < 0) - return ctl; - ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_SPEED1000 | BMCR_ANENABLE); - - /* First clear the PHY */ - phy_write(phy, MII_BMCR, ctl | BMCR_RESET); - - /* Select speed & duplex */ - switch (speed) { - case SPEED_10: - break; - case SPEED_100: - ctl |= BMCR_SPEED100; - break; - case SPEED_1000: - ctl |= BMCR_SPEED1000; - break; - default: - return -EINVAL; - } - if (fd == DUPLEX_FULL) - ctl |= BMCR_FULLDPLX; - phy_write(phy, MII_BMCR, ctl); - - return 0; -} - -static int genmii_poll_link(struct mii_phy *phy) -{ - int status; - - /* Clear latched value with dummy read */ - phy_read(phy, MII_BMSR); - status = phy_read(phy, MII_BMSR); - if (status < 0 || (status & BMSR_LSTATUS) == 0) - return 0; - if (phy->autoneg == AUTONEG_ENABLE && !(status & BMSR_ANEGCOMPLETE)) - return 0; - return 1; -} - -static int genmii_read_link(struct mii_phy *phy) -{ - if (phy->autoneg == AUTONEG_ENABLE) { - int glpa = 0; - int lpa = phy_read(phy, MII_LPA) & phy_read(phy, MII_ADVERTISE); - if (lpa < 0) - return lpa; - - if (phy->features & - (SUPPORTED_1000baseT_Full | SUPPORTED_1000baseT_Half)) { - int adv = phy_read(phy, MII_CTRL1000); - glpa = phy_read(phy, MII_STAT1000); - - if (glpa < 0 || adv < 0) - return adv; - - glpa &= adv << 2; - } - - phy->speed = SPEED_10; - phy->duplex = DUPLEX_HALF; - phy->pause = phy->asym_pause = 0; - - if (glpa & (LPA_1000FULL | LPA_1000HALF)) { - phy->speed = SPEED_1000; - if (glpa & LPA_1000FULL) - phy->duplex = DUPLEX_FULL; - } else if (lpa & (LPA_100FULL | LPA_100HALF)) { - phy->speed = SPEED_100; - if (lpa & LPA_100FULL) - phy->duplex = DUPLEX_FULL; - } else if (lpa & LPA_10FULL) - phy->duplex = DUPLEX_FULL; - - if (phy->duplex == DUPLEX_FULL) { - phy->pause = lpa & LPA_PAUSE_CAP ? 1 : 0; - phy->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0; - } - } else { - int bmcr = phy_read(phy, MII_BMCR); - if (bmcr < 0) - return bmcr; - - if (bmcr & BMCR_FULLDPLX) - phy->duplex = DUPLEX_FULL; - else - phy->duplex = DUPLEX_HALF; - if (bmcr & BMCR_SPEED1000) - phy->speed = SPEED_1000; - else if (bmcr & BMCR_SPEED100) - phy->speed = SPEED_100; - else - phy->speed = SPEED_10; - - phy->pause = phy->asym_pause = 0; - } - return 0; -} - -/* Generic implementation for most 10/100/1000 PHYs */ -static struct mii_phy_ops generic_phy_ops = { - .setup_aneg = genmii_setup_aneg, - .setup_forced = genmii_setup_forced, - .poll_link = genmii_poll_link, - .read_link = genmii_read_link -}; - -static struct mii_phy_def genmii_phy_def = { - .phy_id = 0x00000000, - .phy_id_mask = 0x00000000, - .name = "Generic MII", - .ops = &generic_phy_ops -}; - -/* CIS8201 */ -#define MII_CIS8201_10BTCSR 0x16 -#define TENBTCSR_ECHO_DISABLE 0x2000 -#define MII_CIS8201_EPCR 0x17 -#define EPCR_MODE_MASK 0x3000 -#define EPCR_GMII_MODE 0x0000 -#define EPCR_RGMII_MODE 0x1000 -#define EPCR_TBI_MODE 0x2000 -#define EPCR_RTBI_MODE 0x3000 -#define MII_CIS8201_ACSR 0x1c -#define ACSR_PIN_PRIO_SELECT 0x0004 - -static int cis8201_init(struct mii_phy *phy) -{ - int epcr; - - epcr = phy_read(phy, MII_CIS8201_EPCR); - if (epcr < 0) - return epcr; - - epcr &= ~EPCR_MODE_MASK; - - switch (phy->mode) { - case PHY_MODE_TBI: - epcr |= EPCR_TBI_MODE; - break; - case PHY_MODE_RTBI: - epcr |= EPCR_RTBI_MODE; - break; - case PHY_MODE_GMII: - epcr |= EPCR_GMII_MODE; - break; - case PHY_MODE_RGMII: - default: - epcr |= EPCR_RGMII_MODE; - } - - phy_write(phy, MII_CIS8201_EPCR, epcr); - - /* MII regs override strap pins */ - phy_write(phy, MII_CIS8201_ACSR, - phy_read(phy, MII_CIS8201_ACSR) | ACSR_PIN_PRIO_SELECT); - - /* Disable TX_EN -> CRS echo mode, otherwise 10/HDX doesn't work */ - phy_write(phy, MII_CIS8201_10BTCSR, - phy_read(phy, MII_CIS8201_10BTCSR) | TENBTCSR_ECHO_DISABLE); - - return 0; -} - -static struct mii_phy_ops cis8201_phy_ops = { - .init = cis8201_init, - .setup_aneg = genmii_setup_aneg, - .setup_forced = genmii_setup_forced, - .poll_link = genmii_poll_link, - .read_link = genmii_read_link -}; - -static struct mii_phy_def cis8201_phy_def = { - .phy_id = 0x000fc410, - .phy_id_mask = 0x000ffff0, - .name = "CIS8201 Gigabit Ethernet", - .ops = &cis8201_phy_ops -}; - -static struct mii_phy_def bcm5248_phy_def = { - - .phy_id = 0x0143bc00, - .phy_id_mask = 0x0ffffff0, - .name = "BCM5248 10/100 SMII Ethernet", - .ops = &generic_phy_ops -}; - -static int m88e1111_init(struct mii_phy *phy) -{ - pr_debug("%s: Marvell 88E1111 Ethernet\n", __func__); - phy_write(phy, 0x14, 0x0ce3); - phy_write(phy, 0x18, 0x4101); - phy_write(phy, 0x09, 0x0e00); - phy_write(phy, 0x04, 0x01e1); - phy_write(phy, 0x00, 0x9140); - phy_write(phy, 0x00, 0x1140); - - return 0; -} - -static int m88e1112_init(struct mii_phy *phy) -{ - /* - * Marvell 88E1112 PHY needs to have the SGMII MAC - * interace (page 2) properly configured to - * communicate with the 460EX/GT GPCS interface. - */ - - u16 reg_short; - - pr_debug("%s: Marvell 88E1112 Ethernet\n", __func__); - - /* Set access to Page 2 */ - phy_write(phy, 0x16, 0x0002); - - phy_write(phy, 0x00, 0x0040); /* 1Gbps */ - reg_short = (u16)(phy_read(phy, 0x1a)); - reg_short |= 0x8000; /* bypass Auto-Negotiation */ - phy_write(phy, 0x1a, reg_short); - emac_mii_reset_phy(phy); /* reset MAC interface */ - - /* Reset access to Page 0 */ - phy_write(phy, 0x16, 0x0000); - - return 0; -} - -static int et1011c_init(struct mii_phy *phy) -{ - u16 reg_short; - - reg_short = (u16)(phy_read(phy, 0x16)); - reg_short &= ~(0x7); - reg_short |= 0x6; /* RGMII Trace Delay*/ - phy_write(phy, 0x16, reg_short); - - reg_short = (u16)(phy_read(phy, 0x17)); - reg_short &= ~(0x40); - phy_write(phy, 0x17, reg_short); - - phy_write(phy, 0x1c, 0x74f0); - return 0; -} - -static struct mii_phy_ops et1011c_phy_ops = { - .init = et1011c_init, - .setup_aneg = genmii_setup_aneg, - .setup_forced = genmii_setup_forced, - .poll_link = genmii_poll_link, - .read_link = genmii_read_link -}; - -static struct mii_phy_def et1011c_phy_def = { - .phy_id = 0x0282f000, - .phy_id_mask = 0x0fffff00, - .name = "ET1011C Gigabit Ethernet", - .ops = &et1011c_phy_ops -}; - - - - - -static struct mii_phy_ops m88e1111_phy_ops = { - .init = m88e1111_init, - .setup_aneg = genmii_setup_aneg, - .setup_forced = genmii_setup_forced, - .poll_link = genmii_poll_link, - .read_link = genmii_read_link -}; - -static struct mii_phy_def m88e1111_phy_def = { - - .phy_id = 0x01410CC0, - .phy_id_mask = 0x0ffffff0, - .name = "Marvell 88E1111 Ethernet", - .ops = &m88e1111_phy_ops, -}; - -static struct mii_phy_ops m88e1112_phy_ops = { - .init = m88e1112_init, - .setup_aneg = genmii_setup_aneg, - .setup_forced = genmii_setup_forced, - .poll_link = genmii_poll_link, - .read_link = genmii_read_link -}; - -static struct mii_phy_def m88e1112_phy_def = { - .phy_id = 0x01410C90, - .phy_id_mask = 0x0ffffff0, - .name = "Marvell 88E1112 Ethernet", - .ops = &m88e1112_phy_ops, -}; - -static struct mii_phy_def *mii_phy_table[] = { - &et1011c_phy_def, - &cis8201_phy_def, - &bcm5248_phy_def, - &m88e1111_phy_def, - &m88e1112_phy_def, - &genmii_phy_def, - NULL -}; - -int emac_mii_phy_probe(struct mii_phy *phy, int address) -{ - struct mii_phy_def *def; - int i; - u32 id; - - phy->autoneg = AUTONEG_DISABLE; - phy->advertising = 0; - phy->address = address; - phy->speed = SPEED_10; - phy->duplex = DUPLEX_HALF; - phy->pause = phy->asym_pause = 0; - - /* Take PHY out of isolate mode and reset it. */ - if (emac_mii_reset_phy(phy)) - return -ENODEV; - - /* Read ID and find matching entry */ - id = (phy_read(phy, MII_PHYSID1) << 16) | phy_read(phy, MII_PHYSID2); - for (i = 0; (def = mii_phy_table[i]) != NULL; i++) - if ((id & def->phy_id_mask) == def->phy_id) - break; - /* Should never be NULL (we have a generic entry), but... */ - if (!def) - return -ENODEV; - - phy->def = def; - - /* Determine PHY features if needed */ - phy->features = def->features; - if (!phy->features) { - u16 bmsr = phy_read(phy, MII_BMSR); - if (bmsr & BMSR_ANEGCAPABLE) - phy->features |= SUPPORTED_Autoneg; - if (bmsr & BMSR_10HALF) - phy->features |= SUPPORTED_10baseT_Half; - if (bmsr & BMSR_10FULL) - phy->features |= SUPPORTED_10baseT_Full; - if (bmsr & BMSR_100HALF) - phy->features |= SUPPORTED_100baseT_Half; - if (bmsr & BMSR_100FULL) - phy->features |= SUPPORTED_100baseT_Full; - if (bmsr & BMSR_ESTATEN) { - u16 esr = phy_read(phy, MII_ESTATUS); - if (esr & ESTATUS_1000_TFULL) - phy->features |= SUPPORTED_1000baseT_Full; - if (esr & ESTATUS_1000_THALF) - phy->features |= SUPPORTED_1000baseT_Half; - } - phy->features |= SUPPORTED_MII; - } - - /* Setup default advertising */ - phy->advertising = phy->features; - - return 0; -} - -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/phy.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/phy.h deleted file mode 100644 index d7e41ec3..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/phy.h +++ /dev/null @@ -1,87 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/phy.h - * - * Driver for PowerPC 4xx on-chip ethernet controller, PHY support - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Benjamin Herrenschmidt <benh@kernel.crashing.org> - * February 2003 - * - * Minor additions by Eugene Surovegin <ebs@ebshome.net>, 2004 - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This file basically duplicates sungem_phy.{c,h} with different PHYs - * supported. I'm looking into merging that in a single mii layer more - * flexible than mii.c - */ - -#ifndef __IBM_NEWEMAC_PHY_H -#define __IBM_NEWEMAC_PHY_H - -struct mii_phy; - -/* Operations supported by any kind of PHY */ -struct mii_phy_ops { - int (*init) (struct mii_phy * phy); - int (*suspend) (struct mii_phy * phy, int wol_options); - int (*setup_aneg) (struct mii_phy * phy, u32 advertise); - int (*setup_forced) (struct mii_phy * phy, int speed, int fd); - int (*poll_link) (struct mii_phy * phy); - int (*read_link) (struct mii_phy * phy); -}; - -/* Structure used to statically define an mii/gii based PHY */ -struct mii_phy_def { - u32 phy_id; /* Concatenated ID1 << 16 | ID2 */ - u32 phy_id_mask; /* Significant bits */ - u32 features; /* Ethtool SUPPORTED_* defines or - 0 for autodetect */ - int magic_aneg; /* Autoneg does all speed test for us */ - const char *name; - const struct mii_phy_ops *ops; -}; - -/* An instance of a PHY, partially borrowed from mii_if_info */ -struct mii_phy { - struct mii_phy_def *def; - u32 advertising; /* Ethtool ADVERTISED_* defines */ - u32 features; /* Copied from mii_phy_def.features - or determined automaticaly */ - int address; /* PHY address */ - int mode; /* PHY mode */ - int gpcs_address; /* GPCS PHY address */ - - /* 1: autoneg enabled, 0: disabled */ - int autoneg; - - /* forced speed & duplex (no autoneg) - * partner speed & duplex & pause (autoneg) - */ - int speed; - int duplex; - int pause; - int asym_pause; - - /* Provided by host chip */ - struct net_device *dev; - int (*mdio_read) (struct net_device * dev, int addr, int reg); - void (*mdio_write) (struct net_device * dev, int addr, int reg, - int val); -}; - -/* Pass in a struct mii_phy with dev, mdio_read and mdio_write - * filled, the remaining fields will be filled on return - */ -int emac_mii_phy_probe(struct mii_phy *phy, int address); -int emac_mii_reset_phy(struct mii_phy *phy); -int emac_mii_reset_gpcs(struct mii_phy *phy); - -#endif /* __IBM_NEWEMAC_PHY_H */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/rgmii.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/rgmii.c deleted file mode 100644 index d3123282..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/rgmii.c +++ /dev/null @@ -1,335 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/rgmii.c - * - * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support. - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright (c) 2004, 2005 Zultys Technologies. - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * - * Based on original work by - * Matt Porter <mporter@kernel.crashing.org> - * Copyright 2004 MontaVista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ -#include <linux/slab.h> -#include <linux/kernel.h> -#include <linux/ethtool.h> -#include <asm/io.h> - -#include "emac.h" -#include "debug.h" - -// XXX FIXME: Axon seems to support a subset of the RGMII, we -// thus need to take that into account and possibly change some -// of the bit settings below that don't seem to quite match the -// AXON spec - -/* RGMIIx_FER */ -#define RGMII_FER_MASK(idx) (0x7 << ((idx) * 4)) -#define RGMII_FER_RTBI(idx) (0x4 << ((idx) * 4)) -#define RGMII_FER_RGMII(idx) (0x5 << ((idx) * 4)) -#define RGMII_FER_TBI(idx) (0x6 << ((idx) * 4)) -#define RGMII_FER_GMII(idx) (0x7 << ((idx) * 4)) -#define RGMII_FER_MII(idx) RGMII_FER_GMII(idx) - -/* RGMIIx_SSR */ -#define RGMII_SSR_MASK(idx) (0x7 << ((idx) * 8)) -#define RGMII_SSR_100(idx) (0x2 << ((idx) * 8)) -#define RGMII_SSR_1000(idx) (0x4 << ((idx) * 8)) - -/* RGMII bridge supports only GMII/TBI and RGMII/RTBI PHYs */ -static inline int rgmii_valid_mode(int phy_mode) -{ - return phy_mode == PHY_MODE_GMII || - phy_mode == PHY_MODE_MII || - phy_mode == PHY_MODE_RGMII || - phy_mode == PHY_MODE_TBI || - phy_mode == PHY_MODE_RTBI; -} - -static inline const char *rgmii_mode_name(int mode) -{ - switch (mode) { - case PHY_MODE_RGMII: - return "RGMII"; - case PHY_MODE_TBI: - return "TBI"; - case PHY_MODE_GMII: - return "GMII"; - case PHY_MODE_MII: - return "MII"; - case PHY_MODE_RTBI: - return "RTBI"; - default: - BUG(); - } -} - -static inline u32 rgmii_mode_mask(int mode, int input) -{ - switch (mode) { - case PHY_MODE_RGMII: - return RGMII_FER_RGMII(input); - case PHY_MODE_TBI: - return RGMII_FER_TBI(input); - case PHY_MODE_GMII: - return RGMII_FER_GMII(input); - case PHY_MODE_MII: - return RGMII_FER_MII(input); - case PHY_MODE_RTBI: - return RGMII_FER_RTBI(input); - default: - BUG(); - } -} - -int __devinit rgmii_attach(struct platform_device *ofdev, int input, int mode) -{ - struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev); - struct rgmii_regs __iomem *p = dev->base; - - RGMII_DBG(dev, "attach(%d)" NL, input); - - /* Check if we need to attach to a RGMII */ - if (input < 0 || !rgmii_valid_mode(mode)) { - printk(KERN_ERR "%s: unsupported settings !\n", - ofdev->dev.of_node->full_name); - return -ENODEV; - } - - mutex_lock(&dev->lock); - - /* Enable this input */ - out_be32(&p->fer, in_be32(&p->fer) | rgmii_mode_mask(mode, input)); - - printk(KERN_NOTICE "%s: input %d in %s mode\n", - ofdev->dev.of_node->full_name, input, rgmii_mode_name(mode)); - - ++dev->users; - - mutex_unlock(&dev->lock); - - return 0; -} - -void rgmii_set_speed(struct platform_device *ofdev, int input, int speed) -{ - struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev); - struct rgmii_regs __iomem *p = dev->base; - u32 ssr; - - mutex_lock(&dev->lock); - - ssr = in_be32(&p->ssr) & ~RGMII_SSR_MASK(input); - - RGMII_DBG(dev, "speed(%d, %d)" NL, input, speed); - - if (speed == SPEED_1000) - ssr |= RGMII_SSR_1000(input); - else if (speed == SPEED_100) - ssr |= RGMII_SSR_100(input); - - out_be32(&p->ssr, ssr); - - mutex_unlock(&dev->lock); -} - -void rgmii_get_mdio(struct platform_device *ofdev, int input) -{ - struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev); - struct rgmii_regs __iomem *p = dev->base; - u32 fer; - - RGMII_DBG2(dev, "get_mdio(%d)" NL, input); - - if (!(dev->flags & EMAC_RGMII_FLAG_HAS_MDIO)) - return; - - mutex_lock(&dev->lock); - - fer = in_be32(&p->fer); - fer |= 0x00080000u >> input; - out_be32(&p->fer, fer); - (void)in_be32(&p->fer); - - DBG2(dev, " fer = 0x%08x\n", fer); -} - -void rgmii_put_mdio(struct platform_device *ofdev, int input) -{ - struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev); - struct rgmii_regs __iomem *p = dev->base; - u32 fer; - - RGMII_DBG2(dev, "put_mdio(%d)" NL, input); - - if (!(dev->flags & EMAC_RGMII_FLAG_HAS_MDIO)) - return; - - fer = in_be32(&p->fer); - fer &= ~(0x00080000u >> input); - out_be32(&p->fer, fer); - (void)in_be32(&p->fer); - - DBG2(dev, " fer = 0x%08x\n", fer); - - mutex_unlock(&dev->lock); -} - -void rgmii_detach(struct platform_device *ofdev, int input) -{ - struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev); - struct rgmii_regs __iomem *p; - - BUG_ON(!dev || dev->users == 0); - p = dev->base; - - mutex_lock(&dev->lock); - - RGMII_DBG(dev, "detach(%d)" NL, input); - - /* Disable this input */ - out_be32(&p->fer, in_be32(&p->fer) & ~RGMII_FER_MASK(input)); - - --dev->users; - - mutex_unlock(&dev->lock); -} - -int rgmii_get_regs_len(struct platform_device *ofdev) -{ - return sizeof(struct emac_ethtool_regs_subhdr) + - sizeof(struct rgmii_regs); -} - -void *rgmii_dump_regs(struct platform_device *ofdev, void *buf) -{ - struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev); - struct emac_ethtool_regs_subhdr *hdr = buf; - struct rgmii_regs *regs = (struct rgmii_regs *)(hdr + 1); - - hdr->version = 0; - hdr->index = 0; /* for now, are there chips with more than one - * rgmii ? if yes, then we'll add a cell_index - * like we do for emac - */ - memcpy_fromio(regs, dev->base, sizeof(struct rgmii_regs)); - return regs + 1; -} - - -static int __devinit rgmii_probe(struct platform_device *ofdev) -{ - struct device_node *np = ofdev->dev.of_node; - struct rgmii_instance *dev; - struct resource regs; - int rc; - - rc = -ENOMEM; - dev = kzalloc(sizeof(struct rgmii_instance), GFP_KERNEL); - if (dev == NULL) - goto err_gone; - - mutex_init(&dev->lock); - dev->ofdev = ofdev; - - rc = -ENXIO; - if (of_address_to_resource(np, 0, ®s)) { - printk(KERN_ERR "%s: Can't get registers address\n", - np->full_name); - goto err_free; - } - - rc = -ENOMEM; - dev->base = (struct rgmii_regs __iomem *)ioremap(regs.start, - sizeof(struct rgmii_regs)); - if (dev->base == NULL) { - printk(KERN_ERR "%s: Can't map device registers!\n", - np->full_name); - goto err_free; - } - - /* Check for RGMII flags */ - if (of_get_property(ofdev->dev.of_node, "has-mdio", NULL)) - dev->flags |= EMAC_RGMII_FLAG_HAS_MDIO; - - /* CAB lacks the right properties, fix this up */ - if (of_device_is_compatible(ofdev->dev.of_node, "ibm,rgmii-axon")) - dev->flags |= EMAC_RGMII_FLAG_HAS_MDIO; - - DBG2(dev, " Boot FER = 0x%08x, SSR = 0x%08x\n", - in_be32(&dev->base->fer), in_be32(&dev->base->ssr)); - - /* Disable all inputs by default */ - out_be32(&dev->base->fer, 0); - - printk(KERN_INFO - "RGMII %s initialized with%s MDIO support\n", - ofdev->dev.of_node->full_name, - (dev->flags & EMAC_RGMII_FLAG_HAS_MDIO) ? "" : "out"); - - wmb(); - dev_set_drvdata(&ofdev->dev, dev); - - return 0; - - err_free: - kfree(dev); - err_gone: - return rc; -} - -static int __devexit rgmii_remove(struct platform_device *ofdev) -{ - struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev); - - dev_set_drvdata(&ofdev->dev, NULL); - - WARN_ON(dev->users != 0); - - iounmap(dev->base); - kfree(dev); - - return 0; -} - -static struct of_device_id rgmii_match[] = -{ - { - .compatible = "ibm,rgmii", - }, - { - .type = "emac-rgmii", - }, - {}, -}; - -static struct platform_driver rgmii_driver = { - .driver = { - .name = "emac-rgmii", - .owner = THIS_MODULE, - .of_match_table = rgmii_match, - }, - .probe = rgmii_probe, - .remove = rgmii_remove, -}; - -int __init rgmii_init(void) -{ - return platform_driver_register(&rgmii_driver); -} - -void rgmii_exit(void) -{ - platform_driver_unregister(&rgmii_driver); -} diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/rgmii.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/rgmii.h deleted file mode 100644 index 668bceef..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/rgmii.h +++ /dev/null @@ -1,82 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/rgmii.h - * - * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support. - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Based on ocp_zmii.h/ibm_emac_zmii.h - * Armin Kuster akuster@mvista.com - * - * Copyright 2004 MontaVista Software, Inc. - * Matt Porter <mporter@kernel.crashing.org> - * - * Copyright (c) 2004, 2005 Zultys Technologies. - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#ifndef __IBM_NEWEMAC_RGMII_H -#define __IBM_NEWEMAC_RGMII_H - -/* RGMII bridge type */ -#define RGMII_STANDARD 0 -#define RGMII_AXON 1 - -/* RGMII bridge */ -struct rgmii_regs { - u32 fer; /* Function enable register */ - u32 ssr; /* Speed select register */ -}; - -/* RGMII device */ -struct rgmii_instance { - struct rgmii_regs __iomem *base; - - /* RGMII bridge flags */ - int flags; -#define EMAC_RGMII_FLAG_HAS_MDIO 0x00000001 - - /* Only one EMAC whacks us at a time */ - struct mutex lock; - - /* number of EMACs using this RGMII bridge */ - int users; - - /* OF device instance */ - struct platform_device *ofdev; -}; - -#ifdef CONFIG_IBM_EMAC_RGMII - -extern int rgmii_init(void); -extern void rgmii_exit(void); -extern int rgmii_attach(struct platform_device *ofdev, int input, int mode); -extern void rgmii_detach(struct platform_device *ofdev, int input); -extern void rgmii_get_mdio(struct platform_device *ofdev, int input); -extern void rgmii_put_mdio(struct platform_device *ofdev, int input); -extern void rgmii_set_speed(struct platform_device *ofdev, int input, int speed); -extern int rgmii_get_regs_len(struct platform_device *ofdev); -extern void *rgmii_dump_regs(struct platform_device *ofdev, void *buf); - -#else - -# define rgmii_init() 0 -# define rgmii_exit() do { } while(0) -# define rgmii_attach(x,y,z) (-ENXIO) -# define rgmii_detach(x,y) do { } while(0) -# define rgmii_get_mdio(o,i) do { } while (0) -# define rgmii_put_mdio(o,i) do { } while (0) -# define rgmii_set_speed(x,y,z) do { } while(0) -# define rgmii_get_regs_len(x) 0 -# define rgmii_dump_regs(x,buf) (buf) -#endif /* !CONFIG_IBM_EMAC_RGMII */ - -#endif /* __IBM_NEWEMAC_RGMII_H */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/tah.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/tah.c deleted file mode 100644 index 872912ef..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/tah.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/tah.c - * - * Driver for PowerPC 4xx on-chip ethernet controller, TAH support. - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright 2004 MontaVista Software, Inc. - * Matt Porter <mporter@kernel.crashing.org> - * - * Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ -#include <asm/io.h> - -#include "emac.h" -#include "core.h" - -int __devinit tah_attach(struct platform_device *ofdev, int channel) -{ - struct tah_instance *dev = dev_get_drvdata(&ofdev->dev); - - mutex_lock(&dev->lock); - /* Reset has been done at probe() time... nothing else to do for now */ - ++dev->users; - mutex_unlock(&dev->lock); - - return 0; -} - -void tah_detach(struct platform_device *ofdev, int channel) -{ - struct tah_instance *dev = dev_get_drvdata(&ofdev->dev); - - mutex_lock(&dev->lock); - --dev->users; - mutex_unlock(&dev->lock); -} - -void tah_reset(struct platform_device *ofdev) -{ - struct tah_instance *dev = dev_get_drvdata(&ofdev->dev); - struct tah_regs __iomem *p = dev->base; - int n; - - /* Reset TAH */ - out_be32(&p->mr, TAH_MR_SR); - n = 100; - while ((in_be32(&p->mr) & TAH_MR_SR) && n) - --n; - - if (unlikely(!n)) - printk(KERN_ERR "%s: reset timeout\n", - ofdev->dev.of_node->full_name); - - /* 10KB TAH TX FIFO accommodates the max MTU of 9000 */ - out_be32(&p->mr, - TAH_MR_CVR | TAH_MR_ST_768 | TAH_MR_TFS_10KB | TAH_MR_DTFP | - TAH_MR_DIG); -} - -int tah_get_regs_len(struct platform_device *ofdev) -{ - return sizeof(struct emac_ethtool_regs_subhdr) + - sizeof(struct tah_regs); -} - -void *tah_dump_regs(struct platform_device *ofdev, void *buf) -{ - struct tah_instance *dev = dev_get_drvdata(&ofdev->dev); - struct emac_ethtool_regs_subhdr *hdr = buf; - struct tah_regs *regs = (struct tah_regs *)(hdr + 1); - - hdr->version = 0; - hdr->index = 0; /* for now, are there chips with more than one - * zmii ? if yes, then we'll add a cell_index - * like we do for emac - */ - memcpy_fromio(regs, dev->base, sizeof(struct tah_regs)); - return regs + 1; -} - -static int __devinit tah_probe(struct platform_device *ofdev) -{ - struct device_node *np = ofdev->dev.of_node; - struct tah_instance *dev; - struct resource regs; - int rc; - - rc = -ENOMEM; - dev = kzalloc(sizeof(struct tah_instance), GFP_KERNEL); - if (dev == NULL) - goto err_gone; - - mutex_init(&dev->lock); - dev->ofdev = ofdev; - - rc = -ENXIO; - if (of_address_to_resource(np, 0, ®s)) { - printk(KERN_ERR "%s: Can't get registers address\n", - np->full_name); - goto err_free; - } - - rc = -ENOMEM; - dev->base = (struct tah_regs __iomem *)ioremap(regs.start, - sizeof(struct tah_regs)); - if (dev->base == NULL) { - printk(KERN_ERR "%s: Can't map device registers!\n", - np->full_name); - goto err_free; - } - - dev_set_drvdata(&ofdev->dev, dev); - - /* Initialize TAH and enable IPv4 checksum verification, no TSO yet */ - tah_reset(ofdev); - - printk(KERN_INFO - "TAH %s initialized\n", ofdev->dev.of_node->full_name); - wmb(); - - return 0; - - err_free: - kfree(dev); - err_gone: - return rc; -} - -static int __devexit tah_remove(struct platform_device *ofdev) -{ - struct tah_instance *dev = dev_get_drvdata(&ofdev->dev); - - dev_set_drvdata(&ofdev->dev, NULL); - - WARN_ON(dev->users != 0); - - iounmap(dev->base); - kfree(dev); - - return 0; -} - -static struct of_device_id tah_match[] = -{ - { - .compatible = "ibm,tah", - }, - /* For backward compat with old DT */ - { - .type = "tah", - }, - {}, -}; - -static struct platform_driver tah_driver = { - .driver = { - .name = "emac-tah", - .owner = THIS_MODULE, - .of_match_table = tah_match, - }, - .probe = tah_probe, - .remove = tah_remove, -}; - -int __init tah_init(void) -{ - return platform_driver_register(&tah_driver); -} - -void tah_exit(void) -{ - platform_driver_unregister(&tah_driver); -} diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/tah.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/tah.h deleted file mode 100644 index 350b7096..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/tah.h +++ /dev/null @@ -1,95 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/tah.h - * - * Driver for PowerPC 4xx on-chip ethernet controller, TAH support. - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright 2004 MontaVista Software, Inc. - * Matt Porter <mporter@kernel.crashing.org> - * - * Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#ifndef __IBM_NEWEMAC_TAH_H -#define __IBM_NEWEMAC_TAH_H - -/* TAH */ -struct tah_regs { - u32 revid; - u32 pad[3]; - u32 mr; - u32 ssr0; - u32 ssr1; - u32 ssr2; - u32 ssr3; - u32 ssr4; - u32 ssr5; - u32 tsr; -}; - - -/* TAH device */ -struct tah_instance { - struct tah_regs __iomem *base; - - /* Only one EMAC whacks us at a time */ - struct mutex lock; - - /* number of EMACs using this TAH */ - int users; - - /* OF device instance */ - struct platform_device *ofdev; -}; - - -/* TAH engine */ -#define TAH_MR_CVR 0x80000000 -#define TAH_MR_SR 0x40000000 -#define TAH_MR_ST_256 0x01000000 -#define TAH_MR_ST_512 0x02000000 -#define TAH_MR_ST_768 0x03000000 -#define TAH_MR_ST_1024 0x04000000 -#define TAH_MR_ST_1280 0x05000000 -#define TAH_MR_ST_1536 0x06000000 -#define TAH_MR_TFS_16KB 0x00000000 -#define TAH_MR_TFS_2KB 0x00200000 -#define TAH_MR_TFS_4KB 0x00400000 -#define TAH_MR_TFS_6KB 0x00600000 -#define TAH_MR_TFS_8KB 0x00800000 -#define TAH_MR_TFS_10KB 0x00a00000 -#define TAH_MR_DTFP 0x00100000 -#define TAH_MR_DIG 0x00080000 - -#ifdef CONFIG_IBM_EMAC_TAH - -extern int tah_init(void); -extern void tah_exit(void); -extern int tah_attach(struct platform_device *ofdev, int channel); -extern void tah_detach(struct platform_device *ofdev, int channel); -extern void tah_reset(struct platform_device *ofdev); -extern int tah_get_regs_len(struct platform_device *ofdev); -extern void *tah_dump_regs(struct platform_device *ofdev, void *buf); - -#else - -# define tah_init() 0 -# define tah_exit() do { } while(0) -# define tah_attach(x,y) (-ENXIO) -# define tah_detach(x,y) do { } while(0) -# define tah_reset(x) do { } while(0) -# define tah_get_regs_len(x) 0 -# define tah_dump_regs(x,buf) (buf) - -#endif /* !CONFIG_IBM_EMAC_TAH */ - -#endif /* __IBM_NEWEMAC_TAH_H */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/zmii.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/zmii.c deleted file mode 100644 index 415e9b4d..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/zmii.c +++ /dev/null @@ -1,329 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/zmii.c - * - * Driver for PowerPC 4xx on-chip ethernet controller, ZMII bridge support. - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright (c) 2004, 2005 Zultys Technologies. - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * - * Based on original work by - * Armin Kuster <akuster@mvista.com> - * Copyright 2001 MontaVista Softare Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ -#include <linux/slab.h> -#include <linux/kernel.h> -#include <linux/ethtool.h> -#include <asm/io.h> - -#include "emac.h" -#include "core.h" - -/* ZMIIx_FER */ -#define ZMII_FER_MDI(idx) (0x80000000 >> ((idx) * 4)) -#define ZMII_FER_MDI_ALL (ZMII_FER_MDI(0) | ZMII_FER_MDI(1) | \ - ZMII_FER_MDI(2) | ZMII_FER_MDI(3)) - -#define ZMII_FER_SMII(idx) (0x40000000 >> ((idx) * 4)) -#define ZMII_FER_RMII(idx) (0x20000000 >> ((idx) * 4)) -#define ZMII_FER_MII(idx) (0x10000000 >> ((idx) * 4)) - -/* ZMIIx_SSR */ -#define ZMII_SSR_SCI(idx) (0x40000000 >> ((idx) * 4)) -#define ZMII_SSR_FSS(idx) (0x20000000 >> ((idx) * 4)) -#define ZMII_SSR_SP(idx) (0x10000000 >> ((idx) * 4)) - -/* ZMII only supports MII, RMII and SMII - * we also support autodetection for backward compatibility - */ -static inline int zmii_valid_mode(int mode) -{ - return mode == PHY_MODE_MII || - mode == PHY_MODE_RMII || - mode == PHY_MODE_SMII || - mode == PHY_MODE_NA; -} - -static inline const char *zmii_mode_name(int mode) -{ - switch (mode) { - case PHY_MODE_MII: - return "MII"; - case PHY_MODE_RMII: - return "RMII"; - case PHY_MODE_SMII: - return "SMII"; - default: - BUG(); - } -} - -static inline u32 zmii_mode_mask(int mode, int input) -{ - switch (mode) { - case PHY_MODE_MII: - return ZMII_FER_MII(input); - case PHY_MODE_RMII: - return ZMII_FER_RMII(input); - case PHY_MODE_SMII: - return ZMII_FER_SMII(input); - default: - return 0; - } -} - -int __devinit zmii_attach(struct platform_device *ofdev, int input, int *mode) -{ - struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev); - struct zmii_regs __iomem *p = dev->base; - - ZMII_DBG(dev, "init(%d, %d)" NL, input, *mode); - - if (!zmii_valid_mode(*mode)) { - /* Probably an EMAC connected to RGMII, - * but it still may need ZMII for MDIO so - * we don't fail here. - */ - dev->users++; - return 0; - } - - mutex_lock(&dev->lock); - - /* Autodetect ZMII mode if not specified. - * This is only for backward compatibility with the old driver. - * Please, always specify PHY mode in your board port to avoid - * any surprises. - */ - if (dev->mode == PHY_MODE_NA) { - if (*mode == PHY_MODE_NA) { - u32 r = dev->fer_save; - - ZMII_DBG(dev, "autodetecting mode, FER = 0x%08x" NL, r); - - if (r & (ZMII_FER_MII(0) | ZMII_FER_MII(1))) - dev->mode = PHY_MODE_MII; - else if (r & (ZMII_FER_RMII(0) | ZMII_FER_RMII(1))) - dev->mode = PHY_MODE_RMII; - else - dev->mode = PHY_MODE_SMII; - } else - dev->mode = *mode; - - printk(KERN_NOTICE "%s: bridge in %s mode\n", - ofdev->dev.of_node->full_name, - zmii_mode_name(dev->mode)); - } else { - /* All inputs must use the same mode */ - if (*mode != PHY_MODE_NA && *mode != dev->mode) { - printk(KERN_ERR - "%s: invalid mode %d specified for input %d\n", - ofdev->dev.of_node->full_name, *mode, input); - mutex_unlock(&dev->lock); - return -EINVAL; - } - } - - /* Report back correct PHY mode, - * it may be used during PHY initialization. - */ - *mode = dev->mode; - - /* Enable this input */ - out_be32(&p->fer, in_be32(&p->fer) | zmii_mode_mask(dev->mode, input)); - ++dev->users; - - mutex_unlock(&dev->lock); - - return 0; -} - -void zmii_get_mdio(struct platform_device *ofdev, int input) -{ - struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev); - u32 fer; - - ZMII_DBG2(dev, "get_mdio(%d)" NL, input); - - mutex_lock(&dev->lock); - - fer = in_be32(&dev->base->fer) & ~ZMII_FER_MDI_ALL; - out_be32(&dev->base->fer, fer | ZMII_FER_MDI(input)); -} - -void zmii_put_mdio(struct platform_device *ofdev, int input) -{ - struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev); - - ZMII_DBG2(dev, "put_mdio(%d)" NL, input); - mutex_unlock(&dev->lock); -} - - -void zmii_set_speed(struct platform_device *ofdev, int input, int speed) -{ - struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev); - u32 ssr; - - mutex_lock(&dev->lock); - - ssr = in_be32(&dev->base->ssr); - - ZMII_DBG(dev, "speed(%d, %d)" NL, input, speed); - - if (speed == SPEED_100) - ssr |= ZMII_SSR_SP(input); - else - ssr &= ~ZMII_SSR_SP(input); - - out_be32(&dev->base->ssr, ssr); - - mutex_unlock(&dev->lock); -} - -void zmii_detach(struct platform_device *ofdev, int input) -{ - struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev); - - BUG_ON(!dev || dev->users == 0); - - mutex_lock(&dev->lock); - - ZMII_DBG(dev, "detach(%d)" NL, input); - - /* Disable this input */ - out_be32(&dev->base->fer, - in_be32(&dev->base->fer) & ~zmii_mode_mask(dev->mode, input)); - - --dev->users; - - mutex_unlock(&dev->lock); -} - -int zmii_get_regs_len(struct platform_device *ofdev) -{ - return sizeof(struct emac_ethtool_regs_subhdr) + - sizeof(struct zmii_regs); -} - -void *zmii_dump_regs(struct platform_device *ofdev, void *buf) -{ - struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev); - struct emac_ethtool_regs_subhdr *hdr = buf; - struct zmii_regs *regs = (struct zmii_regs *)(hdr + 1); - - hdr->version = 0; - hdr->index = 0; /* for now, are there chips with more than one - * zmii ? if yes, then we'll add a cell_index - * like we do for emac - */ - memcpy_fromio(regs, dev->base, sizeof(struct zmii_regs)); - return regs + 1; -} - -static int __devinit zmii_probe(struct platform_device *ofdev) -{ - struct device_node *np = ofdev->dev.of_node; - struct zmii_instance *dev; - struct resource regs; - int rc; - - rc = -ENOMEM; - dev = kzalloc(sizeof(struct zmii_instance), GFP_KERNEL); - if (dev == NULL) - goto err_gone; - - mutex_init(&dev->lock); - dev->ofdev = ofdev; - dev->mode = PHY_MODE_NA; - - rc = -ENXIO; - if (of_address_to_resource(np, 0, ®s)) { - printk(KERN_ERR "%s: Can't get registers address\n", - np->full_name); - goto err_free; - } - - rc = -ENOMEM; - dev->base = (struct zmii_regs __iomem *)ioremap(regs.start, - sizeof(struct zmii_regs)); - if (dev->base == NULL) { - printk(KERN_ERR "%s: Can't map device registers!\n", - np->full_name); - goto err_free; - } - - /* We may need FER value for autodetection later */ - dev->fer_save = in_be32(&dev->base->fer); - - /* Disable all inputs by default */ - out_be32(&dev->base->fer, 0); - - printk(KERN_INFO - "ZMII %s initialized\n", ofdev->dev.of_node->full_name); - wmb(); - dev_set_drvdata(&ofdev->dev, dev); - - return 0; - - err_free: - kfree(dev); - err_gone: - return rc; -} - -static int __devexit zmii_remove(struct platform_device *ofdev) -{ - struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev); - - dev_set_drvdata(&ofdev->dev, NULL); - - WARN_ON(dev->users != 0); - - iounmap(dev->base); - kfree(dev); - - return 0; -} - -static struct of_device_id zmii_match[] = -{ - { - .compatible = "ibm,zmii", - }, - /* For backward compat with old DT */ - { - .type = "emac-zmii", - }, - {}, -}; - -static struct platform_driver zmii_driver = { - .driver = { - .name = "emac-zmii", - .owner = THIS_MODULE, - .of_match_table = zmii_match, - }, - .probe = zmii_probe, - .remove = zmii_remove, -}; - -int __init zmii_init(void) -{ - return platform_driver_register(&zmii_driver); -} - -void zmii_exit(void) -{ - platform_driver_unregister(&zmii_driver); -} diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/zmii.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/zmii.h deleted file mode 100644 index 455bfb08..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/emac/zmii.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * drivers/net/ethernet/ibm/emac/zmii.h - * - * Driver for PowerPC 4xx on-chip ethernet controller, ZMII bridge support. - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * Copyright (c) 2004, 2005 Zultys Technologies. - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * - * Based on original work by - * Armin Kuster <akuster@mvista.com> - * Copyright 2001 MontaVista Softare Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ -#ifndef __IBM_NEWEMAC_ZMII_H -#define __IBM_NEWEMAC_ZMII_H - -/* ZMII bridge registers */ -struct zmii_regs { - u32 fer; /* Function enable reg */ - u32 ssr; /* Speed select reg */ - u32 smiirs; /* SMII status reg */ -}; - -/* ZMII device */ -struct zmii_instance { - struct zmii_regs __iomem *base; - - /* Only one EMAC whacks us at a time */ - struct mutex lock; - - /* subset of PHY_MODE_XXXX */ - int mode; - - /* number of EMACs using this ZMII bridge */ - int users; - - /* FER value left by firmware */ - u32 fer_save; - - /* OF device instance */ - struct platform_device *ofdev; -}; - -#ifdef CONFIG_IBM_EMAC_ZMII - -extern int zmii_init(void); -extern void zmii_exit(void); -extern int zmii_attach(struct platform_device *ofdev, int input, int *mode); -extern void zmii_detach(struct platform_device *ofdev, int input); -extern void zmii_get_mdio(struct platform_device *ofdev, int input); -extern void zmii_put_mdio(struct platform_device *ofdev, int input); -extern void zmii_set_speed(struct platform_device *ofdev, int input, int speed); -extern int zmii_get_regs_len(struct platform_device *ocpdev); -extern void *zmii_dump_regs(struct platform_device *ofdev, void *buf); - -#else -# define zmii_init() 0 -# define zmii_exit() do { } while(0) -# define zmii_attach(x,y,z) (-ENXIO) -# define zmii_detach(x,y) do { } while(0) -# define zmii_get_mdio(x,y) do { } while(0) -# define zmii_put_mdio(x,y) do { } while(0) -# define zmii_set_speed(x,y,z) do { } while(0) -# define zmii_get_regs_len(x) 0 -# define zmii_dump_regs(x,buf) (buf) -#endif /* !CONFIG_IBM_EMAC_ZMII */ - -#endif /* __IBM_NEWEMAC_ZMII_H */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ibmveth.c b/ANDROID_3.4.5/drivers/net/ethernet/ibm/ibmveth.c deleted file mode 100644 index 9010cea6..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ibmveth.c +++ /dev/null @@ -1,1637 +0,0 @@ -/* - * IBM Power Virtual Ethernet Device Driver - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) IBM Corporation, 2003, 2010 - * - * Authors: Dave Larson <larson1@us.ibm.com> - * Santiago Leon <santil@linux.vnet.ibm.com> - * Brian King <brking@linux.vnet.ibm.com> - * Robert Jennings <rcj@linux.vnet.ibm.com> - * Anton Blanchard <anton@au.ibm.com> - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/dma-mapping.h> -#include <linux/kernel.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/mm.h> -#include <linux/pm.h> -#include <linux/ethtool.h> -#include <linux/in.h> -#include <linux/ip.h> -#include <linux/ipv6.h> -#include <linux/slab.h> -#include <asm/hvcall.h> -#include <linux/atomic.h> -#include <asm/vio.h> -#include <asm/iommu.h> -#include <asm/firmware.h> - -#include "ibmveth.h" - -static irqreturn_t ibmveth_interrupt(int irq, void *dev_instance); -static void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter); -static unsigned long ibmveth_get_desired_dma(struct vio_dev *vdev); - -static struct kobj_type ktype_veth_pool; - - -static const char ibmveth_driver_name[] = "ibmveth"; -static const char ibmveth_driver_string[] = "IBM Power Virtual Ethernet Driver"; -#define ibmveth_driver_version "1.04" - -MODULE_AUTHOR("Santiago Leon <santil@linux.vnet.ibm.com>"); -MODULE_DESCRIPTION("IBM Power Virtual Ethernet Driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(ibmveth_driver_version); - -static unsigned int tx_copybreak __read_mostly = 128; -module_param(tx_copybreak, uint, 0644); -MODULE_PARM_DESC(tx_copybreak, - "Maximum size of packet that is copied to a new buffer on transmit"); - -static unsigned int rx_copybreak __read_mostly = 128; -module_param(rx_copybreak, uint, 0644); -MODULE_PARM_DESC(rx_copybreak, - "Maximum size of packet that is copied to a new buffer on receive"); - -static unsigned int rx_flush __read_mostly = 0; -module_param(rx_flush, uint, 0644); -MODULE_PARM_DESC(rx_flush, "Flush receive buffers before use"); - -struct ibmveth_stat { - char name[ETH_GSTRING_LEN]; - int offset; -}; - -#define IBMVETH_STAT_OFF(stat) offsetof(struct ibmveth_adapter, stat) -#define IBMVETH_GET_STAT(a, off) *((u64 *)(((unsigned long)(a)) + off)) - -struct ibmveth_stat ibmveth_stats[] = { - { "replenish_task_cycles", IBMVETH_STAT_OFF(replenish_task_cycles) }, - { "replenish_no_mem", IBMVETH_STAT_OFF(replenish_no_mem) }, - { "replenish_add_buff_failure", - IBMVETH_STAT_OFF(replenish_add_buff_failure) }, - { "replenish_add_buff_success", - IBMVETH_STAT_OFF(replenish_add_buff_success) }, - { "rx_invalid_buffer", IBMVETH_STAT_OFF(rx_invalid_buffer) }, - { "rx_no_buffer", IBMVETH_STAT_OFF(rx_no_buffer) }, - { "tx_map_failed", IBMVETH_STAT_OFF(tx_map_failed) }, - { "tx_send_failed", IBMVETH_STAT_OFF(tx_send_failed) }, - { "fw_enabled_ipv4_csum", IBMVETH_STAT_OFF(fw_ipv4_csum_support) }, - { "fw_enabled_ipv6_csum", IBMVETH_STAT_OFF(fw_ipv6_csum_support) }, -}; - -/* simple methods of getting data from the current rxq entry */ -static inline u32 ibmveth_rxq_flags(struct ibmveth_adapter *adapter) -{ - return adapter->rx_queue.queue_addr[adapter->rx_queue.index].flags_off; -} - -static inline int ibmveth_rxq_toggle(struct ibmveth_adapter *adapter) -{ - return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_TOGGLE) >> - IBMVETH_RXQ_TOGGLE_SHIFT; -} - -static inline int ibmveth_rxq_pending_buffer(struct ibmveth_adapter *adapter) -{ - return ibmveth_rxq_toggle(adapter) == adapter->rx_queue.toggle; -} - -static inline int ibmveth_rxq_buffer_valid(struct ibmveth_adapter *adapter) -{ - return ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_VALID; -} - -static inline int ibmveth_rxq_frame_offset(struct ibmveth_adapter *adapter) -{ - return ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_OFF_MASK; -} - -static inline int ibmveth_rxq_frame_length(struct ibmveth_adapter *adapter) -{ - return adapter->rx_queue.queue_addr[adapter->rx_queue.index].length; -} - -static inline int ibmveth_rxq_csum_good(struct ibmveth_adapter *adapter) -{ - return ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_CSUM_GOOD; -} - -/* setup the initial settings for a buffer pool */ -static void ibmveth_init_buffer_pool(struct ibmveth_buff_pool *pool, - u32 pool_index, u32 pool_size, - u32 buff_size, u32 pool_active) -{ - pool->size = pool_size; - pool->index = pool_index; - pool->buff_size = buff_size; - pool->threshold = pool_size * 7 / 8; - pool->active = pool_active; -} - -/* allocate and setup an buffer pool - called during open */ -static int ibmveth_alloc_buffer_pool(struct ibmveth_buff_pool *pool) -{ - int i; - - pool->free_map = kmalloc(sizeof(u16) * pool->size, GFP_KERNEL); - - if (!pool->free_map) - return -1; - - pool->dma_addr = kmalloc(sizeof(dma_addr_t) * pool->size, GFP_KERNEL); - if (!pool->dma_addr) { - kfree(pool->free_map); - pool->free_map = NULL; - return -1; - } - - pool->skbuff = kcalloc(pool->size, sizeof(void *), GFP_KERNEL); - - if (!pool->skbuff) { - kfree(pool->dma_addr); - pool->dma_addr = NULL; - - kfree(pool->free_map); - pool->free_map = NULL; - return -1; - } - - memset(pool->dma_addr, 0, sizeof(dma_addr_t) * pool->size); - - for (i = 0; i < pool->size; ++i) - pool->free_map[i] = i; - - atomic_set(&pool->available, 0); - pool->producer_index = 0; - pool->consumer_index = 0; - - return 0; -} - -static inline void ibmveth_flush_buffer(void *addr, unsigned long length) -{ - unsigned long offset; - - for (offset = 0; offset < length; offset += SMP_CACHE_BYTES) - asm("dcbfl %0,%1" :: "b" (addr), "r" (offset)); -} - -/* replenish the buffers for a pool. note that we don't need to - * skb_reserve these since they are used for incoming... - */ -static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, - struct ibmveth_buff_pool *pool) -{ - u32 i; - u32 count = pool->size - atomic_read(&pool->available); - u32 buffers_added = 0; - struct sk_buff *skb; - unsigned int free_index, index; - u64 correlator; - unsigned long lpar_rc; - dma_addr_t dma_addr; - - mb(); - - for (i = 0; i < count; ++i) { - union ibmveth_buf_desc desc; - - skb = netdev_alloc_skb(adapter->netdev, pool->buff_size); - - if (!skb) { - netdev_dbg(adapter->netdev, - "replenish: unable to allocate skb\n"); - adapter->replenish_no_mem++; - break; - } - - free_index = pool->consumer_index; - pool->consumer_index++; - if (pool->consumer_index >= pool->size) - pool->consumer_index = 0; - index = pool->free_map[free_index]; - - BUG_ON(index == IBM_VETH_INVALID_MAP); - BUG_ON(pool->skbuff[index] != NULL); - - dma_addr = dma_map_single(&adapter->vdev->dev, skb->data, - pool->buff_size, DMA_FROM_DEVICE); - - if (dma_mapping_error(&adapter->vdev->dev, dma_addr)) - goto failure; - - pool->free_map[free_index] = IBM_VETH_INVALID_MAP; - pool->dma_addr[index] = dma_addr; - pool->skbuff[index] = skb; - - correlator = ((u64)pool->index << 32) | index; - *(u64 *)skb->data = correlator; - - desc.fields.flags_len = IBMVETH_BUF_VALID | pool->buff_size; - desc.fields.address = dma_addr; - - if (rx_flush) { - unsigned int len = min(pool->buff_size, - adapter->netdev->mtu + - IBMVETH_BUFF_OH); - ibmveth_flush_buffer(skb->data, len); - } - lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, - desc.desc); - - if (lpar_rc != H_SUCCESS) { - goto failure; - } else { - buffers_added++; - adapter->replenish_add_buff_success++; - } - } - - mb(); - atomic_add(buffers_added, &(pool->available)); - return; - -failure: - pool->free_map[free_index] = index; - pool->skbuff[index] = NULL; - if (pool->consumer_index == 0) - pool->consumer_index = pool->size - 1; - else - pool->consumer_index--; - if (!dma_mapping_error(&adapter->vdev->dev, dma_addr)) - dma_unmap_single(&adapter->vdev->dev, - pool->dma_addr[index], pool->buff_size, - DMA_FROM_DEVICE); - dev_kfree_skb_any(skb); - adapter->replenish_add_buff_failure++; - - mb(); - atomic_add(buffers_added, &(pool->available)); -} - -/* replenish routine */ -static void ibmveth_replenish_task(struct ibmveth_adapter *adapter) -{ - int i; - - adapter->replenish_task_cycles++; - - for (i = (IBMVETH_NUM_BUFF_POOLS - 1); i >= 0; i--) { - struct ibmveth_buff_pool *pool = &adapter->rx_buff_pool[i]; - - if (pool->active && - (atomic_read(&pool->available) < pool->threshold)) - ibmveth_replenish_buffer_pool(adapter, pool); - } - - adapter->rx_no_buffer = *(u64 *)(((char*)adapter->buffer_list_addr) + - 4096 - 8); -} - -/* empty and free ana buffer pool - also used to do cleanup in error paths */ -static void ibmveth_free_buffer_pool(struct ibmveth_adapter *adapter, - struct ibmveth_buff_pool *pool) -{ - int i; - - kfree(pool->free_map); - pool->free_map = NULL; - - if (pool->skbuff && pool->dma_addr) { - for (i = 0; i < pool->size; ++i) { - struct sk_buff *skb = pool->skbuff[i]; - if (skb) { - dma_unmap_single(&adapter->vdev->dev, - pool->dma_addr[i], - pool->buff_size, - DMA_FROM_DEVICE); - dev_kfree_skb_any(skb); - pool->skbuff[i] = NULL; - } - } - } - - if (pool->dma_addr) { - kfree(pool->dma_addr); - pool->dma_addr = NULL; - } - - if (pool->skbuff) { - kfree(pool->skbuff); - pool->skbuff = NULL; - } -} - -/* remove a buffer from a pool */ -static void ibmveth_remove_buffer_from_pool(struct ibmveth_adapter *adapter, - u64 correlator) -{ - unsigned int pool = correlator >> 32; - unsigned int index = correlator & 0xffffffffUL; - unsigned int free_index; - struct sk_buff *skb; - - BUG_ON(pool >= IBMVETH_NUM_BUFF_POOLS); - BUG_ON(index >= adapter->rx_buff_pool[pool].size); - - skb = adapter->rx_buff_pool[pool].skbuff[index]; - - BUG_ON(skb == NULL); - - adapter->rx_buff_pool[pool].skbuff[index] = NULL; - - dma_unmap_single(&adapter->vdev->dev, - adapter->rx_buff_pool[pool].dma_addr[index], - adapter->rx_buff_pool[pool].buff_size, - DMA_FROM_DEVICE); - - free_index = adapter->rx_buff_pool[pool].producer_index; - adapter->rx_buff_pool[pool].producer_index++; - if (adapter->rx_buff_pool[pool].producer_index >= - adapter->rx_buff_pool[pool].size) - adapter->rx_buff_pool[pool].producer_index = 0; - adapter->rx_buff_pool[pool].free_map[free_index] = index; - - mb(); - - atomic_dec(&(adapter->rx_buff_pool[pool].available)); -} - -/* get the current buffer on the rx queue */ -static inline struct sk_buff *ibmveth_rxq_get_buffer(struct ibmveth_adapter *adapter) -{ - u64 correlator = adapter->rx_queue.queue_addr[adapter->rx_queue.index].correlator; - unsigned int pool = correlator >> 32; - unsigned int index = correlator & 0xffffffffUL; - - BUG_ON(pool >= IBMVETH_NUM_BUFF_POOLS); - BUG_ON(index >= adapter->rx_buff_pool[pool].size); - - return adapter->rx_buff_pool[pool].skbuff[index]; -} - -/* recycle the current buffer on the rx queue */ -static int ibmveth_rxq_recycle_buffer(struct ibmveth_adapter *adapter) -{ - u32 q_index = adapter->rx_queue.index; - u64 correlator = adapter->rx_queue.queue_addr[q_index].correlator; - unsigned int pool = correlator >> 32; - unsigned int index = correlator & 0xffffffffUL; - union ibmveth_buf_desc desc; - unsigned long lpar_rc; - int ret = 1; - - BUG_ON(pool >= IBMVETH_NUM_BUFF_POOLS); - BUG_ON(index >= adapter->rx_buff_pool[pool].size); - - if (!adapter->rx_buff_pool[pool].active) { - ibmveth_rxq_harvest_buffer(adapter); - ibmveth_free_buffer_pool(adapter, &adapter->rx_buff_pool[pool]); - goto out; - } - - desc.fields.flags_len = IBMVETH_BUF_VALID | - adapter->rx_buff_pool[pool].buff_size; - desc.fields.address = adapter->rx_buff_pool[pool].dma_addr[index]; - - lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc); - - if (lpar_rc != H_SUCCESS) { - netdev_dbg(adapter->netdev, "h_add_logical_lan_buffer failed " - "during recycle rc=%ld", lpar_rc); - ibmveth_remove_buffer_from_pool(adapter, adapter->rx_queue.queue_addr[adapter->rx_queue.index].correlator); - ret = 0; - } - - if (++adapter->rx_queue.index == adapter->rx_queue.num_slots) { - adapter->rx_queue.index = 0; - adapter->rx_queue.toggle = !adapter->rx_queue.toggle; - } - -out: - return ret; -} - -static void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter) -{ - ibmveth_remove_buffer_from_pool(adapter, adapter->rx_queue.queue_addr[adapter->rx_queue.index].correlator); - - if (++adapter->rx_queue.index == adapter->rx_queue.num_slots) { - adapter->rx_queue.index = 0; - adapter->rx_queue.toggle = !adapter->rx_queue.toggle; - } -} - -static void ibmveth_cleanup(struct ibmveth_adapter *adapter) -{ - int i; - struct device *dev = &adapter->vdev->dev; - - if (adapter->buffer_list_addr != NULL) { - if (!dma_mapping_error(dev, adapter->buffer_list_dma)) { - dma_unmap_single(dev, adapter->buffer_list_dma, 4096, - DMA_BIDIRECTIONAL); - adapter->buffer_list_dma = DMA_ERROR_CODE; - } - free_page((unsigned long)adapter->buffer_list_addr); - adapter->buffer_list_addr = NULL; - } - - if (adapter->filter_list_addr != NULL) { - if (!dma_mapping_error(dev, adapter->filter_list_dma)) { - dma_unmap_single(dev, adapter->filter_list_dma, 4096, - DMA_BIDIRECTIONAL); - adapter->filter_list_dma = DMA_ERROR_CODE; - } - free_page((unsigned long)adapter->filter_list_addr); - adapter->filter_list_addr = NULL; - } - - if (adapter->rx_queue.queue_addr != NULL) { - if (!dma_mapping_error(dev, adapter->rx_queue.queue_dma)) { - dma_unmap_single(dev, - adapter->rx_queue.queue_dma, - adapter->rx_queue.queue_len, - DMA_BIDIRECTIONAL); - adapter->rx_queue.queue_dma = DMA_ERROR_CODE; - } - kfree(adapter->rx_queue.queue_addr); - adapter->rx_queue.queue_addr = NULL; - } - - for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) - if (adapter->rx_buff_pool[i].active) - ibmveth_free_buffer_pool(adapter, - &adapter->rx_buff_pool[i]); - - if (adapter->bounce_buffer != NULL) { - if (!dma_mapping_error(dev, adapter->bounce_buffer_dma)) { - dma_unmap_single(&adapter->vdev->dev, - adapter->bounce_buffer_dma, - adapter->netdev->mtu + IBMVETH_BUFF_OH, - DMA_BIDIRECTIONAL); - adapter->bounce_buffer_dma = DMA_ERROR_CODE; - } - kfree(adapter->bounce_buffer); - adapter->bounce_buffer = NULL; - } -} - -static int ibmveth_register_logical_lan(struct ibmveth_adapter *adapter, - union ibmveth_buf_desc rxq_desc, u64 mac_address) -{ - int rc, try_again = 1; - - /* - * After a kexec the adapter will still be open, so our attempt to - * open it will fail. So if we get a failure we free the adapter and - * try again, but only once. - */ -retry: - rc = h_register_logical_lan(adapter->vdev->unit_address, - adapter->buffer_list_dma, rxq_desc.desc, - adapter->filter_list_dma, mac_address); - - if (rc != H_SUCCESS && try_again) { - do { - rc = h_free_logical_lan(adapter->vdev->unit_address); - } while (H_IS_LONG_BUSY(rc) || (rc == H_BUSY)); - - try_again = 0; - goto retry; - } - - return rc; -} - -static int ibmveth_open(struct net_device *netdev) -{ - struct ibmveth_adapter *adapter = netdev_priv(netdev); - u64 mac_address = 0; - int rxq_entries = 1; - unsigned long lpar_rc; - int rc; - union ibmveth_buf_desc rxq_desc; - int i; - struct device *dev; - - netdev_dbg(netdev, "open starting\n"); - - napi_enable(&adapter->napi); - - for(i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) - rxq_entries += adapter->rx_buff_pool[i].size; - - adapter->buffer_list_addr = (void*) get_zeroed_page(GFP_KERNEL); - adapter->filter_list_addr = (void*) get_zeroed_page(GFP_KERNEL); - - if (!adapter->buffer_list_addr || !adapter->filter_list_addr) { - netdev_err(netdev, "unable to allocate filter or buffer list " - "pages\n"); - rc = -ENOMEM; - goto err_out; - } - - adapter->rx_queue.queue_len = sizeof(struct ibmveth_rx_q_entry) * - rxq_entries; - adapter->rx_queue.queue_addr = kmalloc(adapter->rx_queue.queue_len, - GFP_KERNEL); - - if (!adapter->rx_queue.queue_addr) { - netdev_err(netdev, "unable to allocate rx queue pages\n"); - rc = -ENOMEM; - goto err_out; - } - - dev = &adapter->vdev->dev; - - adapter->buffer_list_dma = dma_map_single(dev, - adapter->buffer_list_addr, 4096, DMA_BIDIRECTIONAL); - adapter->filter_list_dma = dma_map_single(dev, - adapter->filter_list_addr, 4096, DMA_BIDIRECTIONAL); - adapter->rx_queue.queue_dma = dma_map_single(dev, - adapter->rx_queue.queue_addr, - adapter->rx_queue.queue_len, DMA_BIDIRECTIONAL); - - if ((dma_mapping_error(dev, adapter->buffer_list_dma)) || - (dma_mapping_error(dev, adapter->filter_list_dma)) || - (dma_mapping_error(dev, adapter->rx_queue.queue_dma))) { - netdev_err(netdev, "unable to map filter or buffer list " - "pages\n"); - rc = -ENOMEM; - goto err_out; - } - - adapter->rx_queue.index = 0; - adapter->rx_queue.num_slots = rxq_entries; - adapter->rx_queue.toggle = 1; - - memcpy(&mac_address, netdev->dev_addr, netdev->addr_len); - mac_address = mac_address >> 16; - - rxq_desc.fields.flags_len = IBMVETH_BUF_VALID | - adapter->rx_queue.queue_len; - rxq_desc.fields.address = adapter->rx_queue.queue_dma; - - netdev_dbg(netdev, "buffer list @ 0x%p\n", adapter->buffer_list_addr); - netdev_dbg(netdev, "filter list @ 0x%p\n", adapter->filter_list_addr); - netdev_dbg(netdev, "receive q @ 0x%p\n", adapter->rx_queue.queue_addr); - - h_vio_signal(adapter->vdev->unit_address, VIO_IRQ_DISABLE); - - lpar_rc = ibmveth_register_logical_lan(adapter, rxq_desc, mac_address); - - if (lpar_rc != H_SUCCESS) { - netdev_err(netdev, "h_register_logical_lan failed with %ld\n", - lpar_rc); - netdev_err(netdev, "buffer TCE:0x%llx filter TCE:0x%llx rxq " - "desc:0x%llx MAC:0x%llx\n", - adapter->buffer_list_dma, - adapter->filter_list_dma, - rxq_desc.desc, - mac_address); - rc = -ENONET; - goto err_out; - } - - for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { - if (!adapter->rx_buff_pool[i].active) - continue; - if (ibmveth_alloc_buffer_pool(&adapter->rx_buff_pool[i])) { - netdev_err(netdev, "unable to alloc pool\n"); - adapter->rx_buff_pool[i].active = 0; - rc = -ENOMEM; - goto err_out; - } - } - - netdev_dbg(netdev, "registering irq 0x%x\n", netdev->irq); - rc = request_irq(netdev->irq, ibmveth_interrupt, 0, netdev->name, - netdev); - if (rc != 0) { - netdev_err(netdev, "unable to request irq 0x%x, rc %d\n", - netdev->irq, rc); - do { - lpar_rc = h_free_logical_lan(adapter->vdev->unit_address); - } while (H_IS_LONG_BUSY(lpar_rc) || (lpar_rc == H_BUSY)); - - goto err_out; - } - - adapter->bounce_buffer = - kmalloc(netdev->mtu + IBMVETH_BUFF_OH, GFP_KERNEL); - if (!adapter->bounce_buffer) { - netdev_err(netdev, "unable to allocate bounce buffer\n"); - rc = -ENOMEM; - goto err_out_free_irq; - } - adapter->bounce_buffer_dma = - dma_map_single(&adapter->vdev->dev, adapter->bounce_buffer, - netdev->mtu + IBMVETH_BUFF_OH, DMA_BIDIRECTIONAL); - if (dma_mapping_error(dev, adapter->bounce_buffer_dma)) { - netdev_err(netdev, "unable to map bounce buffer\n"); - rc = -ENOMEM; - goto err_out_free_irq; - } - - netdev_dbg(netdev, "initial replenish cycle\n"); - ibmveth_interrupt(netdev->irq, netdev); - - netif_start_queue(netdev); - - netdev_dbg(netdev, "open complete\n"); - - return 0; - -err_out_free_irq: - free_irq(netdev->irq, netdev); -err_out: - ibmveth_cleanup(adapter); - napi_disable(&adapter->napi); - return rc; -} - -static int ibmveth_close(struct net_device *netdev) -{ - struct ibmveth_adapter *adapter = netdev_priv(netdev); - long lpar_rc; - - netdev_dbg(netdev, "close starting\n"); - - napi_disable(&adapter->napi); - - if (!adapter->pool_config) - netif_stop_queue(netdev); - - h_vio_signal(adapter->vdev->unit_address, VIO_IRQ_DISABLE); - - do { - lpar_rc = h_free_logical_lan(adapter->vdev->unit_address); - } while (H_IS_LONG_BUSY(lpar_rc) || (lpar_rc == H_BUSY)); - - if (lpar_rc != H_SUCCESS) { - netdev_err(netdev, "h_free_logical_lan failed with %lx, " - "continuing with close\n", lpar_rc); - } - - free_irq(netdev->irq, netdev); - - adapter->rx_no_buffer = *(u64 *)(((char *)adapter->buffer_list_addr) + - 4096 - 8); - - ibmveth_cleanup(adapter); - - netdev_dbg(netdev, "close complete\n"); - - return 0; -} - -static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | - SUPPORTED_FIBRE); - cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | - ADVERTISED_FIBRE); - ethtool_cmd_speed_set(cmd, SPEED_1000); - cmd->duplex = DUPLEX_FULL; - cmd->port = PORT_FIBRE; - cmd->phy_address = 0; - cmd->transceiver = XCVR_INTERNAL; - cmd->autoneg = AUTONEG_ENABLE; - cmd->maxtxpkt = 0; - cmd->maxrxpkt = 1; - return 0; -} - -static void netdev_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - strncpy(info->driver, ibmveth_driver_name, sizeof(info->driver) - 1); - strncpy(info->version, ibmveth_driver_version, - sizeof(info->version) - 1); -} - -static netdev_features_t ibmveth_fix_features(struct net_device *dev, - netdev_features_t features) -{ - /* - * Since the ibmveth firmware interface does not have the - * concept of separate tx/rx checksum offload enable, if rx - * checksum is disabled we also have to disable tx checksum - * offload. Once we disable rx checksum offload, we are no - * longer allowed to send tx buffers that are not properly - * checksummed. - */ - - if (!(features & NETIF_F_RXCSUM)) - features &= ~NETIF_F_ALL_CSUM; - - return features; -} - -static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) -{ - struct ibmveth_adapter *adapter = netdev_priv(dev); - unsigned long set_attr, clr_attr, ret_attr; - unsigned long set_attr6, clr_attr6; - long ret, ret4, ret6; - int rc1 = 0, rc2 = 0; - int restart = 0; - - if (netif_running(dev)) { - restart = 1; - adapter->pool_config = 1; - ibmveth_close(dev); - adapter->pool_config = 0; - } - - set_attr = 0; - clr_attr = 0; - set_attr6 = 0; - clr_attr6 = 0; - - if (data) { - set_attr = IBMVETH_ILLAN_IPV4_TCP_CSUM; - set_attr6 = IBMVETH_ILLAN_IPV6_TCP_CSUM; - } else { - clr_attr = IBMVETH_ILLAN_IPV4_TCP_CSUM; - clr_attr6 = IBMVETH_ILLAN_IPV6_TCP_CSUM; - } - - ret = h_illan_attributes(adapter->vdev->unit_address, 0, 0, &ret_attr); - - if (ret == H_SUCCESS && !(ret_attr & IBMVETH_ILLAN_ACTIVE_TRUNK) && - !(ret_attr & IBMVETH_ILLAN_TRUNK_PRI_MASK) && - (ret_attr & IBMVETH_ILLAN_PADDED_PKT_CSUM)) { - ret4 = h_illan_attributes(adapter->vdev->unit_address, clr_attr, - set_attr, &ret_attr); - - if (ret4 != H_SUCCESS) { - netdev_err(dev, "unable to change IPv4 checksum " - "offload settings. %d rc=%ld\n", - data, ret4); - - h_illan_attributes(adapter->vdev->unit_address, - set_attr, clr_attr, &ret_attr); - - if (data == 1) - dev->features &= ~NETIF_F_IP_CSUM; - - } else { - adapter->fw_ipv4_csum_support = data; - } - - ret6 = h_illan_attributes(adapter->vdev->unit_address, - clr_attr6, set_attr6, &ret_attr); - - if (ret6 != H_SUCCESS) { - netdev_err(dev, "unable to change IPv6 checksum " - "offload settings. %d rc=%ld\n", - data, ret6); - - h_illan_attributes(adapter->vdev->unit_address, - set_attr6, clr_attr6, &ret_attr); - - if (data == 1) - dev->features &= ~NETIF_F_IPV6_CSUM; - - } else - adapter->fw_ipv6_csum_support = data; - - if (ret4 == H_SUCCESS || ret6 == H_SUCCESS) - adapter->rx_csum = data; - else - rc1 = -EIO; - } else { - rc1 = -EIO; - netdev_err(dev, "unable to change checksum offload settings." - " %d rc=%ld ret_attr=%lx\n", data, ret, - ret_attr); - } - - if (restart) - rc2 = ibmveth_open(dev); - - return rc1 ? rc1 : rc2; -} - -static int ibmveth_set_features(struct net_device *dev, - netdev_features_t features) -{ - struct ibmveth_adapter *adapter = netdev_priv(dev); - int rx_csum = !!(features & NETIF_F_RXCSUM); - int rc; - - if (rx_csum == adapter->rx_csum) - return 0; - - rc = ibmveth_set_csum_offload(dev, rx_csum); - if (rc && !adapter->rx_csum) - dev->features = features & ~(NETIF_F_ALL_CSUM | NETIF_F_RXCSUM); - - return rc; -} - -static void ibmveth_get_strings(struct net_device *dev, u32 stringset, u8 *data) -{ - int i; - - if (stringset != ETH_SS_STATS) - return; - - for (i = 0; i < ARRAY_SIZE(ibmveth_stats); i++, data += ETH_GSTRING_LEN) - memcpy(data, ibmveth_stats[i].name, ETH_GSTRING_LEN); -} - -static int ibmveth_get_sset_count(struct net_device *dev, int sset) -{ - switch (sset) { - case ETH_SS_STATS: - return ARRAY_SIZE(ibmveth_stats); - default: - return -EOPNOTSUPP; - } -} - -static void ibmveth_get_ethtool_stats(struct net_device *dev, - struct ethtool_stats *stats, u64 *data) -{ - int i; - struct ibmveth_adapter *adapter = netdev_priv(dev); - - for (i = 0; i < ARRAY_SIZE(ibmveth_stats); i++) - data[i] = IBMVETH_GET_STAT(adapter, ibmveth_stats[i].offset); -} - -static const struct ethtool_ops netdev_ethtool_ops = { - .get_drvinfo = netdev_get_drvinfo, - .get_settings = netdev_get_settings, - .get_link = ethtool_op_get_link, - .get_strings = ibmveth_get_strings, - .get_sset_count = ibmveth_get_sset_count, - .get_ethtool_stats = ibmveth_get_ethtool_stats, -}; - -static int ibmveth_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - return -EOPNOTSUPP; -} - -#define page_offset(v) ((unsigned long)(v) & ((1 << 12) - 1)) - -static int ibmveth_send(struct ibmveth_adapter *adapter, - union ibmveth_buf_desc *descs) -{ - unsigned long correlator; - unsigned int retry_count; - unsigned long ret; - - /* - * The retry count sets a maximum for the number of broadcast and - * multicast destinations within the system. - */ - retry_count = 1024; - correlator = 0; - do { - ret = h_send_logical_lan(adapter->vdev->unit_address, - descs[0].desc, descs[1].desc, - descs[2].desc, descs[3].desc, - descs[4].desc, descs[5].desc, - correlator, &correlator); - } while ((ret == H_BUSY) && (retry_count--)); - - if (ret != H_SUCCESS && ret != H_DROPPED) { - netdev_err(adapter->netdev, "tx: h_send_logical_lan failed " - "with rc=%ld\n", ret); - return 1; - } - - return 0; -} - -static netdev_tx_t ibmveth_start_xmit(struct sk_buff *skb, - struct net_device *netdev) -{ - struct ibmveth_adapter *adapter = netdev_priv(netdev); - unsigned int desc_flags; - union ibmveth_buf_desc descs[6]; - int last, i; - int force_bounce = 0; - dma_addr_t dma_addr; - - /* - * veth handles a maximum of 6 segments including the header, so - * we have to linearize the skb if there are more than this. - */ - if (skb_shinfo(skb)->nr_frags > 5 && __skb_linearize(skb)) { - netdev->stats.tx_dropped++; - goto out; - } - - /* veth can't checksum offload UDP */ - if (skb->ip_summed == CHECKSUM_PARTIAL && - ((skb->protocol == htons(ETH_P_IP) && - ip_hdr(skb)->protocol != IPPROTO_TCP) || - (skb->protocol == htons(ETH_P_IPV6) && - ipv6_hdr(skb)->nexthdr != IPPROTO_TCP)) && - skb_checksum_help(skb)) { - - netdev_err(netdev, "tx: failed to checksum packet\n"); - netdev->stats.tx_dropped++; - goto out; - } - - desc_flags = IBMVETH_BUF_VALID; - - if (skb->ip_summed == CHECKSUM_PARTIAL) { - unsigned char *buf = skb_transport_header(skb) + - skb->csum_offset; - - desc_flags |= (IBMVETH_BUF_NO_CSUM | IBMVETH_BUF_CSUM_GOOD); - - /* Need to zero out the checksum */ - buf[0] = 0; - buf[1] = 0; - } - -retry_bounce: - memset(descs, 0, sizeof(descs)); - - /* - * If a linear packet is below the rx threshold then - * copy it into the static bounce buffer. This avoids the - * cost of a TCE insert and remove. - */ - if (force_bounce || (!skb_is_nonlinear(skb) && - (skb->len < tx_copybreak))) { - skb_copy_from_linear_data(skb, adapter->bounce_buffer, - skb->len); - - descs[0].fields.flags_len = desc_flags | skb->len; - descs[0].fields.address = adapter->bounce_buffer_dma; - - if (ibmveth_send(adapter, descs)) { - adapter->tx_send_failed++; - netdev->stats.tx_dropped++; - } else { - netdev->stats.tx_packets++; - netdev->stats.tx_bytes += skb->len; - } - - goto out; - } - - /* Map the header */ - dma_addr = dma_map_single(&adapter->vdev->dev, skb->data, - skb_headlen(skb), DMA_TO_DEVICE); - if (dma_mapping_error(&adapter->vdev->dev, dma_addr)) - goto map_failed; - - descs[0].fields.flags_len = desc_flags | skb_headlen(skb); - descs[0].fields.address = dma_addr; - - /* Map the frags */ - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - - dma_addr = skb_frag_dma_map(&adapter->vdev->dev, frag, 0, - skb_frag_size(frag), DMA_TO_DEVICE); - - if (dma_mapping_error(&adapter->vdev->dev, dma_addr)) - goto map_failed_frags; - - descs[i+1].fields.flags_len = desc_flags | skb_frag_size(frag); - descs[i+1].fields.address = dma_addr; - } - - if (ibmveth_send(adapter, descs)) { - adapter->tx_send_failed++; - netdev->stats.tx_dropped++; - } else { - netdev->stats.tx_packets++; - netdev->stats.tx_bytes += skb->len; - } - - dma_unmap_single(&adapter->vdev->dev, - descs[0].fields.address, - descs[0].fields.flags_len & IBMVETH_BUF_LEN_MASK, - DMA_TO_DEVICE); - - for (i = 1; i < skb_shinfo(skb)->nr_frags + 1; i++) - dma_unmap_page(&adapter->vdev->dev, descs[i].fields.address, - descs[i].fields.flags_len & IBMVETH_BUF_LEN_MASK, - DMA_TO_DEVICE); - -out: - dev_kfree_skb(skb); - return NETDEV_TX_OK; - -map_failed_frags: - last = i+1; - for (i = 0; i < last; i++) - dma_unmap_page(&adapter->vdev->dev, descs[i].fields.address, - descs[i].fields.flags_len & IBMVETH_BUF_LEN_MASK, - DMA_TO_DEVICE); - -map_failed: - if (!firmware_has_feature(FW_FEATURE_CMO)) - netdev_err(netdev, "tx: unable to map xmit buffer\n"); - adapter->tx_map_failed++; - skb_linearize(skb); - force_bounce = 1; - goto retry_bounce; -} - -static int ibmveth_poll(struct napi_struct *napi, int budget) -{ - struct ibmveth_adapter *adapter = - container_of(napi, struct ibmveth_adapter, napi); - struct net_device *netdev = adapter->netdev; - int frames_processed = 0; - unsigned long lpar_rc; - -restart_poll: - do { - if (!ibmveth_rxq_pending_buffer(adapter)) - break; - - smp_rmb(); - if (!ibmveth_rxq_buffer_valid(adapter)) { - wmb(); /* suggested by larson1 */ - adapter->rx_invalid_buffer++; - netdev_dbg(netdev, "recycling invalid buffer\n"); - ibmveth_rxq_recycle_buffer(adapter); - } else { - struct sk_buff *skb, *new_skb; - int length = ibmveth_rxq_frame_length(adapter); - int offset = ibmveth_rxq_frame_offset(adapter); - int csum_good = ibmveth_rxq_csum_good(adapter); - - skb = ibmveth_rxq_get_buffer(adapter); - - new_skb = NULL; - if (length < rx_copybreak) - new_skb = netdev_alloc_skb(netdev, length); - - if (new_skb) { - skb_copy_to_linear_data(new_skb, - skb->data + offset, - length); - if (rx_flush) - ibmveth_flush_buffer(skb->data, - length + offset); - if (!ibmveth_rxq_recycle_buffer(adapter)) - kfree_skb(skb); - skb = new_skb; - } else { - ibmveth_rxq_harvest_buffer(adapter); - skb_reserve(skb, offset); - } - - skb_put(skb, length); - skb->protocol = eth_type_trans(skb, netdev); - - if (csum_good) - skb->ip_summed = CHECKSUM_UNNECESSARY; - - netif_receive_skb(skb); /* send it up */ - - netdev->stats.rx_packets++; - netdev->stats.rx_bytes += length; - frames_processed++; - } - } while (frames_processed < budget); - - ibmveth_replenish_task(adapter); - - if (frames_processed < budget) { - /* We think we are done - reenable interrupts, - * then check once more to make sure we are done. - */ - lpar_rc = h_vio_signal(adapter->vdev->unit_address, - VIO_IRQ_ENABLE); - - BUG_ON(lpar_rc != H_SUCCESS); - - napi_complete(napi); - - if (ibmveth_rxq_pending_buffer(adapter) && - napi_reschedule(napi)) { - lpar_rc = h_vio_signal(adapter->vdev->unit_address, - VIO_IRQ_DISABLE); - goto restart_poll; - } - } - - return frames_processed; -} - -static irqreturn_t ibmveth_interrupt(int irq, void *dev_instance) -{ - struct net_device *netdev = dev_instance; - struct ibmveth_adapter *adapter = netdev_priv(netdev); - unsigned long lpar_rc; - - if (napi_schedule_prep(&adapter->napi)) { - lpar_rc = h_vio_signal(adapter->vdev->unit_address, - VIO_IRQ_DISABLE); - BUG_ON(lpar_rc != H_SUCCESS); - __napi_schedule(&adapter->napi); - } - return IRQ_HANDLED; -} - -static void ibmveth_set_multicast_list(struct net_device *netdev) -{ - struct ibmveth_adapter *adapter = netdev_priv(netdev); - unsigned long lpar_rc; - - if ((netdev->flags & IFF_PROMISC) || - (netdev_mc_count(netdev) > adapter->mcastFilterSize)) { - lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address, - IbmVethMcastEnableRecv | - IbmVethMcastDisableFiltering, - 0); - if (lpar_rc != H_SUCCESS) { - netdev_err(netdev, "h_multicast_ctrl rc=%ld when " - "entering promisc mode\n", lpar_rc); - } - } else { - struct netdev_hw_addr *ha; - /* clear the filter table & disable filtering */ - lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address, - IbmVethMcastEnableRecv | - IbmVethMcastDisableFiltering | - IbmVethMcastClearFilterTable, - 0); - if (lpar_rc != H_SUCCESS) { - netdev_err(netdev, "h_multicast_ctrl rc=%ld when " - "attempting to clear filter table\n", - lpar_rc); - } - /* add the addresses to the filter table */ - netdev_for_each_mc_addr(ha, netdev) { - /* add the multicast address to the filter table */ - unsigned long mcast_addr = 0; - memcpy(((char *)&mcast_addr)+2, ha->addr, 6); - lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address, - IbmVethMcastAddFilter, - mcast_addr); - if (lpar_rc != H_SUCCESS) { - netdev_err(netdev, "h_multicast_ctrl rc=%ld " - "when adding an entry to the filter " - "table\n", lpar_rc); - } - } - - /* re-enable filtering */ - lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address, - IbmVethMcastEnableFiltering, - 0); - if (lpar_rc != H_SUCCESS) { - netdev_err(netdev, "h_multicast_ctrl rc=%ld when " - "enabling filtering\n", lpar_rc); - } - } -} - -static int ibmveth_change_mtu(struct net_device *dev, int new_mtu) -{ - struct ibmveth_adapter *adapter = netdev_priv(dev); - struct vio_dev *viodev = adapter->vdev; - int new_mtu_oh = new_mtu + IBMVETH_BUFF_OH; - int i, rc; - int need_restart = 0; - - if (new_mtu < IBMVETH_MIN_MTU) - return -EINVAL; - - for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) - if (new_mtu_oh < adapter->rx_buff_pool[i].buff_size) - break; - - if (i == IBMVETH_NUM_BUFF_POOLS) - return -EINVAL; - - /* Deactivate all the buffer pools so that the next loop can activate - only the buffer pools necessary to hold the new MTU */ - if (netif_running(adapter->netdev)) { - need_restart = 1; - adapter->pool_config = 1; - ibmveth_close(adapter->netdev); - adapter->pool_config = 0; - } - - /* Look for an active buffer pool that can hold the new MTU */ - for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { - adapter->rx_buff_pool[i].active = 1; - - if (new_mtu_oh < adapter->rx_buff_pool[i].buff_size) { - dev->mtu = new_mtu; - vio_cmo_set_dev_desired(viodev, - ibmveth_get_desired_dma - (viodev)); - if (need_restart) { - return ibmveth_open(adapter->netdev); - } - return 0; - } - } - - if (need_restart && (rc = ibmveth_open(adapter->netdev))) - return rc; - - return -EINVAL; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void ibmveth_poll_controller(struct net_device *dev) -{ - ibmveth_replenish_task(netdev_priv(dev)); - ibmveth_interrupt(dev->irq, dev); -} -#endif - -/** - * ibmveth_get_desired_dma - Calculate IO memory desired by the driver - * - * @vdev: struct vio_dev for the device whose desired IO mem is to be returned - * - * Return value: - * Number of bytes of IO data the driver will need to perform well. - */ -static unsigned long ibmveth_get_desired_dma(struct vio_dev *vdev) -{ - struct net_device *netdev = dev_get_drvdata(&vdev->dev); - struct ibmveth_adapter *adapter; - unsigned long ret; - int i; - int rxqentries = 1; - - /* netdev inits at probe time along with the structures we need below*/ - if (netdev == NULL) - return IOMMU_PAGE_ALIGN(IBMVETH_IO_ENTITLEMENT_DEFAULT); - - adapter = netdev_priv(netdev); - - ret = IBMVETH_BUFF_LIST_SIZE + IBMVETH_FILT_LIST_SIZE; - ret += IOMMU_PAGE_ALIGN(netdev->mtu); - - for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { - /* add the size of the active receive buffers */ - if (adapter->rx_buff_pool[i].active) - ret += - adapter->rx_buff_pool[i].size * - IOMMU_PAGE_ALIGN(adapter->rx_buff_pool[i]. - buff_size); - rxqentries += adapter->rx_buff_pool[i].size; - } - /* add the size of the receive queue entries */ - ret += IOMMU_PAGE_ALIGN(rxqentries * sizeof(struct ibmveth_rx_q_entry)); - - return ret; -} - -static const struct net_device_ops ibmveth_netdev_ops = { - .ndo_open = ibmveth_open, - .ndo_stop = ibmveth_close, - .ndo_start_xmit = ibmveth_start_xmit, - .ndo_set_rx_mode = ibmveth_set_multicast_list, - .ndo_do_ioctl = ibmveth_ioctl, - .ndo_change_mtu = ibmveth_change_mtu, - .ndo_fix_features = ibmveth_fix_features, - .ndo_set_features = ibmveth_set_features, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_mac_addr, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = ibmveth_poll_controller, -#endif -}; - -static int __devinit ibmveth_probe(struct vio_dev *dev, - const struct vio_device_id *id) -{ - int rc, i; - struct net_device *netdev; - struct ibmveth_adapter *adapter; - unsigned char *mac_addr_p; - unsigned int *mcastFilterSize_p; - - dev_dbg(&dev->dev, "entering ibmveth_probe for UA 0x%x\n", - dev->unit_address); - - mac_addr_p = (unsigned char *)vio_get_attribute(dev, VETH_MAC_ADDR, - NULL); - if (!mac_addr_p) { - dev_err(&dev->dev, "Can't find VETH_MAC_ADDR attribute\n"); - return -EINVAL; - } - - mcastFilterSize_p = (unsigned int *)vio_get_attribute(dev, - VETH_MCAST_FILTER_SIZE, NULL); - if (!mcastFilterSize_p) { - dev_err(&dev->dev, "Can't find VETH_MCAST_FILTER_SIZE " - "attribute\n"); - return -EINVAL; - } - - netdev = alloc_etherdev(sizeof(struct ibmveth_adapter)); - - if (!netdev) - return -ENOMEM; - - adapter = netdev_priv(netdev); - dev_set_drvdata(&dev->dev, netdev); - - adapter->vdev = dev; - adapter->netdev = netdev; - adapter->mcastFilterSize = *mcastFilterSize_p; - adapter->pool_config = 0; - - netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16); - - /* - * Some older boxes running PHYP non-natively have an OF that returns - * a 8-byte local-mac-address field (and the first 2 bytes have to be - * ignored) while newer boxes' OF return a 6-byte field. Note that - * IEEE 1275 specifies that local-mac-address must be a 6-byte field. - * The RPA doc specifies that the first byte must be 10b, so we'll - * just look for it to solve this 8 vs. 6 byte field issue - */ - if ((*mac_addr_p & 0x3) != 0x02) - mac_addr_p += 2; - - adapter->mac_addr = 0; - memcpy(&adapter->mac_addr, mac_addr_p, 6); - - netdev->irq = dev->irq; - netdev->netdev_ops = &ibmveth_netdev_ops; - netdev->ethtool_ops = &netdev_ethtool_ops; - SET_NETDEV_DEV(netdev, &dev->dev); - netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM | - NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - netdev->features |= netdev->hw_features; - - memcpy(netdev->dev_addr, &adapter->mac_addr, netdev->addr_len); - - for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { - struct kobject *kobj = &adapter->rx_buff_pool[i].kobj; - int error; - - ibmveth_init_buffer_pool(&adapter->rx_buff_pool[i], i, - pool_count[i], pool_size[i], - pool_active[i]); - error = kobject_init_and_add(kobj, &ktype_veth_pool, - &dev->dev.kobj, "pool%d", i); - if (!error) - kobject_uevent(kobj, KOBJ_ADD); - } - - netdev_dbg(netdev, "adapter @ 0x%p\n", adapter); - - adapter->buffer_list_dma = DMA_ERROR_CODE; - adapter->filter_list_dma = DMA_ERROR_CODE; - adapter->rx_queue.queue_dma = DMA_ERROR_CODE; - - netdev_dbg(netdev, "registering netdev...\n"); - - ibmveth_set_features(netdev, netdev->features); - - rc = register_netdev(netdev); - - if (rc) { - netdev_dbg(netdev, "failed to register netdev rc=%d\n", rc); - free_netdev(netdev); - return rc; - } - - netdev_dbg(netdev, "registered\n"); - - return 0; -} - -static int __devexit ibmveth_remove(struct vio_dev *dev) -{ - struct net_device *netdev = dev_get_drvdata(&dev->dev); - struct ibmveth_adapter *adapter = netdev_priv(netdev); - int i; - - for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) - kobject_put(&adapter->rx_buff_pool[i].kobj); - - unregister_netdev(netdev); - - free_netdev(netdev); - dev_set_drvdata(&dev->dev, NULL); - - return 0; -} - -static struct attribute veth_active_attr; -static struct attribute veth_num_attr; -static struct attribute veth_size_attr; - -static ssize_t veth_pool_show(struct kobject *kobj, - struct attribute *attr, char *buf) -{ - struct ibmveth_buff_pool *pool = container_of(kobj, - struct ibmveth_buff_pool, - kobj); - - if (attr == &veth_active_attr) - return sprintf(buf, "%d\n", pool->active); - else if (attr == &veth_num_attr) - return sprintf(buf, "%d\n", pool->size); - else if (attr == &veth_size_attr) - return sprintf(buf, "%d\n", pool->buff_size); - return 0; -} - -static ssize_t veth_pool_store(struct kobject *kobj, struct attribute *attr, - const char *buf, size_t count) -{ - struct ibmveth_buff_pool *pool = container_of(kobj, - struct ibmveth_buff_pool, - kobj); - struct net_device *netdev = dev_get_drvdata( - container_of(kobj->parent, struct device, kobj)); - struct ibmveth_adapter *adapter = netdev_priv(netdev); - long value = simple_strtol(buf, NULL, 10); - long rc; - - if (attr == &veth_active_attr) { - if (value && !pool->active) { - if (netif_running(netdev)) { - if (ibmveth_alloc_buffer_pool(pool)) { - netdev_err(netdev, - "unable to alloc pool\n"); - return -ENOMEM; - } - pool->active = 1; - adapter->pool_config = 1; - ibmveth_close(netdev); - adapter->pool_config = 0; - if ((rc = ibmveth_open(netdev))) - return rc; - } else { - pool->active = 1; - } - } else if (!value && pool->active) { - int mtu = netdev->mtu + IBMVETH_BUFF_OH; - int i; - /* Make sure there is a buffer pool with buffers that - can hold a packet of the size of the MTU */ - for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { - if (pool == &adapter->rx_buff_pool[i]) - continue; - if (!adapter->rx_buff_pool[i].active) - continue; - if (mtu <= adapter->rx_buff_pool[i].buff_size) - break; - } - - if (i == IBMVETH_NUM_BUFF_POOLS) { - netdev_err(netdev, "no active pool >= MTU\n"); - return -EPERM; - } - - if (netif_running(netdev)) { - adapter->pool_config = 1; - ibmveth_close(netdev); - pool->active = 0; - adapter->pool_config = 0; - if ((rc = ibmveth_open(netdev))) - return rc; - } - pool->active = 0; - } - } else if (attr == &veth_num_attr) { - if (value <= 0 || value > IBMVETH_MAX_POOL_COUNT) { - return -EINVAL; - } else { - if (netif_running(netdev)) { - adapter->pool_config = 1; - ibmveth_close(netdev); - adapter->pool_config = 0; - pool->size = value; - if ((rc = ibmveth_open(netdev))) - return rc; - } else { - pool->size = value; - } - } - } else if (attr == &veth_size_attr) { - if (value <= IBMVETH_BUFF_OH || value > IBMVETH_MAX_BUF_SIZE) { - return -EINVAL; - } else { - if (netif_running(netdev)) { - adapter->pool_config = 1; - ibmveth_close(netdev); - adapter->pool_config = 0; - pool->buff_size = value; - if ((rc = ibmveth_open(netdev))) - return rc; - } else { - pool->buff_size = value; - } - } - } - - /* kick the interrupt handler to allocate/deallocate pools */ - ibmveth_interrupt(netdev->irq, netdev); - return count; -} - - -#define ATTR(_name, _mode) \ - struct attribute veth_##_name##_attr = { \ - .name = __stringify(_name), .mode = _mode, \ - }; - -static ATTR(active, 0644); -static ATTR(num, 0644); -static ATTR(size, 0644); - -static struct attribute *veth_pool_attrs[] = { - &veth_active_attr, - &veth_num_attr, - &veth_size_attr, - NULL, -}; - -static const struct sysfs_ops veth_pool_ops = { - .show = veth_pool_show, - .store = veth_pool_store, -}; - -static struct kobj_type ktype_veth_pool = { - .release = NULL, - .sysfs_ops = &veth_pool_ops, - .default_attrs = veth_pool_attrs, -}; - -static int ibmveth_resume(struct device *dev) -{ - struct net_device *netdev = dev_get_drvdata(dev); - ibmveth_interrupt(netdev->irq, netdev); - return 0; -} - -static struct vio_device_id ibmveth_device_table[] __devinitdata = { - { "network", "IBM,l-lan"}, - { "", "" } -}; -MODULE_DEVICE_TABLE(vio, ibmveth_device_table); - -static struct dev_pm_ops ibmveth_pm_ops = { - .resume = ibmveth_resume -}; - -static struct vio_driver ibmveth_driver = { - .id_table = ibmveth_device_table, - .probe = ibmveth_probe, - .remove = ibmveth_remove, - .get_desired_dma = ibmveth_get_desired_dma, - .name = ibmveth_driver_name, - .pm = &ibmveth_pm_ops, -}; - -static int __init ibmveth_module_init(void) -{ - printk(KERN_DEBUG "%s: %s %s\n", ibmveth_driver_name, - ibmveth_driver_string, ibmveth_driver_version); - - return vio_register_driver(&ibmveth_driver); -} - -static void __exit ibmveth_module_exit(void) -{ - vio_unregister_driver(&ibmveth_driver); -} - -module_init(ibmveth_module_init); -module_exit(ibmveth_module_exit); diff --git a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ibmveth.h b/ANDROID_3.4.5/drivers/net/ethernet/ibm/ibmveth.h deleted file mode 100644 index 43a794fa..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/ibm/ibmveth.h +++ /dev/null @@ -1,195 +0,0 @@ -/* - * IBM Power Virtual Ethernet Device Driver - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) IBM Corporation, 2003, 2010 - * - * Authors: Dave Larson <larson1@us.ibm.com> - * Santiago Leon <santil@linux.vnet.ibm.com> - * Brian King <brking@linux.vnet.ibm.com> - * Robert Jennings <rcj@linux.vnet.ibm.com> - * Anton Blanchard <anton@au.ibm.com> - */ - -#ifndef _IBMVETH_H -#define _IBMVETH_H - -/* constants for H_MULTICAST_CTRL */ -#define IbmVethMcastReceptionModifyBit 0x80000UL -#define IbmVethMcastReceptionEnableBit 0x20000UL -#define IbmVethMcastFilterModifyBit 0x40000UL -#define IbmVethMcastFilterEnableBit 0x10000UL - -#define IbmVethMcastEnableRecv (IbmVethMcastReceptionModifyBit | IbmVethMcastReceptionEnableBit) -#define IbmVethMcastDisableRecv (IbmVethMcastReceptionModifyBit) -#define IbmVethMcastEnableFiltering (IbmVethMcastFilterModifyBit | IbmVethMcastFilterEnableBit) -#define IbmVethMcastDisableFiltering (IbmVethMcastFilterModifyBit) -#define IbmVethMcastAddFilter 0x1UL -#define IbmVethMcastRemoveFilter 0x2UL -#define IbmVethMcastClearFilterTable 0x3UL - -#define IBMVETH_ILLAN_PADDED_PKT_CSUM 0x0000000000002000UL -#define IBMVETH_ILLAN_TRUNK_PRI_MASK 0x0000000000000F00UL -#define IBMVETH_ILLAN_IPV6_TCP_CSUM 0x0000000000000004UL -#define IBMVETH_ILLAN_IPV4_TCP_CSUM 0x0000000000000002UL -#define IBMVETH_ILLAN_ACTIVE_TRUNK 0x0000000000000001UL - -/* hcall macros */ -#define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \ - plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac) - -#define h_free_logical_lan(ua) \ - plpar_hcall_norets(H_FREE_LOGICAL_LAN, ua) - -#define h_add_logical_lan_buffer(ua, buf) \ - plpar_hcall_norets(H_ADD_LOGICAL_LAN_BUFFER, ua, buf) - -static inline long h_send_logical_lan(unsigned long unit_address, - unsigned long desc1, unsigned long desc2, unsigned long desc3, - unsigned long desc4, unsigned long desc5, unsigned long desc6, - unsigned long corellator_in, unsigned long *corellator_out) -{ - long rc; - unsigned long retbuf[PLPAR_HCALL9_BUFSIZE]; - - rc = plpar_hcall9(H_SEND_LOGICAL_LAN, retbuf, unit_address, desc1, - desc2, desc3, desc4, desc5, desc6, corellator_in); - - *corellator_out = retbuf[0]; - - return rc; -} - -static inline long h_illan_attributes(unsigned long unit_address, - unsigned long reset_mask, unsigned long set_mask, - unsigned long *ret_attributes) -{ - long rc; - unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; - - rc = plpar_hcall(H_ILLAN_ATTRIBUTES, retbuf, unit_address, - reset_mask, set_mask); - - *ret_attributes = retbuf[0]; - - return rc; -} - -#define h_multicast_ctrl(ua, cmd, mac) \ - plpar_hcall_norets(H_MULTICAST_CTRL, ua, cmd, mac) - -#define h_change_logical_lan_mac(ua, mac) \ - plpar_hcall_norets(H_CHANGE_LOGICAL_LAN_MAC, ua, mac) - -#define IBMVETH_NUM_BUFF_POOLS 5 -#define IBMVETH_IO_ENTITLEMENT_DEFAULT 4243456 /* MTU of 1500 needs 4.2Mb */ -#define IBMVETH_BUFF_OH 22 /* Overhead: 14 ethernet header + 8 opaque handle */ -#define IBMVETH_MIN_MTU 68 -#define IBMVETH_MAX_POOL_COUNT 4096 -#define IBMVETH_BUFF_LIST_SIZE 4096 -#define IBMVETH_FILT_LIST_SIZE 4096 -#define IBMVETH_MAX_BUF_SIZE (1024 * 128) - -static int pool_size[] = { 512, 1024 * 2, 1024 * 16, 1024 * 32, 1024 * 64 }; -static int pool_count[] = { 256, 512, 256, 256, 256 }; -static int pool_active[] = { 1, 1, 0, 0, 0}; - -#define IBM_VETH_INVALID_MAP ((u16)0xffff) - -struct ibmveth_buff_pool { - u32 size; - u32 index; - u32 buff_size; - u32 threshold; - atomic_t available; - u32 consumer_index; - u32 producer_index; - u16 *free_map; - dma_addr_t *dma_addr; - struct sk_buff **skbuff; - int active; - struct kobject kobj; -}; - -struct ibmveth_rx_q { - u64 index; - u64 num_slots; - u64 toggle; - dma_addr_t queue_dma; - u32 queue_len; - struct ibmveth_rx_q_entry *queue_addr; -}; - -struct ibmveth_adapter { - struct vio_dev *vdev; - struct net_device *netdev; - struct napi_struct napi; - struct net_device_stats stats; - unsigned int mcastFilterSize; - unsigned long mac_addr; - void * buffer_list_addr; - void * filter_list_addr; - dma_addr_t buffer_list_dma; - dma_addr_t filter_list_dma; - struct ibmveth_buff_pool rx_buff_pool[IBMVETH_NUM_BUFF_POOLS]; - struct ibmveth_rx_q rx_queue; - int pool_config; - int rx_csum; - void *bounce_buffer; - dma_addr_t bounce_buffer_dma; - - u64 fw_ipv6_csum_support; - u64 fw_ipv4_csum_support; - /* adapter specific stats */ - u64 replenish_task_cycles; - u64 replenish_no_mem; - u64 replenish_add_buff_failure; - u64 replenish_add_buff_success; - u64 rx_invalid_buffer; - u64 rx_no_buffer; - u64 tx_map_failed; - u64 tx_send_failed; -}; - -struct ibmveth_buf_desc_fields { - u32 flags_len; -#define IBMVETH_BUF_VALID 0x80000000 -#define IBMVETH_BUF_TOGGLE 0x40000000 -#define IBMVETH_BUF_NO_CSUM 0x02000000 -#define IBMVETH_BUF_CSUM_GOOD 0x01000000 -#define IBMVETH_BUF_LEN_MASK 0x00FFFFFF - u32 address; -}; - -union ibmveth_buf_desc { - u64 desc; - struct ibmveth_buf_desc_fields fields; -}; - -struct ibmveth_rx_q_entry { - u32 flags_off; -#define IBMVETH_RXQ_TOGGLE 0x80000000 -#define IBMVETH_RXQ_TOGGLE_SHIFT 31 -#define IBMVETH_RXQ_VALID 0x40000000 -#define IBMVETH_RXQ_NO_CSUM 0x02000000 -#define IBMVETH_RXQ_CSUM_GOOD 0x01000000 -#define IBMVETH_RXQ_OFF_MASK 0x0000FFFF - - u32 length; - u64 correlator; -}; - -#endif /* _IBMVETH_H */ |