diff options
Diffstat (limited to 'ANDROID_3.4.5/include/net/dsa.h')
-rw-r--r-- | ANDROID_3.4.5/include/net/dsa.h | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/ANDROID_3.4.5/include/net/dsa.h b/ANDROID_3.4.5/include/net/dsa.h deleted file mode 100644 index 7828ebf9..00000000 --- a/ANDROID_3.4.5/include/net/dsa.h +++ /dev/null @@ -1,201 +0,0 @@ -/* - * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips - * Copyright (c) 2008-2009 Marvell Semiconductor - * - * 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 __LINUX_NET_DSA_H -#define __LINUX_NET_DSA_H - -#include <linux/if_ether.h> -#include <linux/list.h> -#include <linux/timer.h> -#include <linux/workqueue.h> - -#define DSA_MAX_SWITCHES 4 -#define DSA_MAX_PORTS 12 - -struct dsa_chip_data { - /* - * How to access the switch configuration registers. - */ - struct device *mii_bus; - int sw_addr; - - /* - * The names of the switch's ports. Use "cpu" to - * designate the switch port that the cpu is connected to, - * "dsa" to indicate that this port is a DSA link to - * another switch, NULL to indicate the port is unused, - * or any other string to indicate this is a physical port. - */ - char *port_names[DSA_MAX_PORTS]; - - /* - * An array (with nr_chips elements) of which element [a] - * indicates which port on this switch should be used to - * send packets to that are destined for switch a. Can be - * NULL if there is only one switch chip. - */ - s8 *rtable; -}; - -struct dsa_platform_data { - /* - * Reference to a Linux network interface that connects - * to the root switch chip of the tree. - */ - struct device *netdev; - - /* - * Info structs describing each of the switch chips - * connected via this network interface. - */ - int nr_chips; - struct dsa_chip_data *chip; -}; - -struct dsa_switch_tree { - /* - * Configuration data for the platform device that owns - * this dsa switch tree instance. - */ - struct dsa_platform_data *pd; - - /* - * Reference to network device to use, and which tagging - * protocol to use. - */ - struct net_device *master_netdev; - __be16 tag_protocol; - - /* - * The switch and port to which the CPU is attached. - */ - s8 cpu_switch; - s8 cpu_port; - - /* - * Link state polling. - */ - int link_poll_needed; - struct work_struct link_poll_work; - struct timer_list link_poll_timer; - - /* - * Data for the individual switch chips. - */ - struct dsa_switch *ds[DSA_MAX_SWITCHES]; -}; - -struct dsa_switch { - /* - * Parent switch tree, and switch index. - */ - struct dsa_switch_tree *dst; - int index; - - /* - * Configuration data for this switch. - */ - struct dsa_chip_data *pd; - - /* - * The used switch driver. - */ - struct dsa_switch_driver *drv; - - /* - * Reference to mii bus to use. - */ - struct mii_bus *master_mii_bus; - - /* - * Slave mii_bus and devices for the individual ports. - */ - u32 dsa_port_mask; - u32 phys_port_mask; - struct mii_bus *slave_mii_bus; - struct net_device *ports[DSA_MAX_PORTS]; -}; - -static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) -{ - return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port); -} - -static inline u8 dsa_upstream_port(struct dsa_switch *ds) -{ - struct dsa_switch_tree *dst = ds->dst; - - /* - * If this is the root switch (i.e. the switch that connects - * to the CPU), return the cpu port number on this switch. - * Else return the (DSA) port number that connects to the - * switch that is one hop closer to the cpu. - */ - if (dst->cpu_switch == ds->index) - return dst->cpu_port; - else - return ds->pd->rtable[dst->cpu_switch]; -} - -struct dsa_switch_driver { - struct list_head list; - - __be16 tag_protocol; - int priv_size; - - /* - * Probing and setup. - */ - char *(*probe)(struct mii_bus *bus, int sw_addr); - int (*setup)(struct dsa_switch *ds); - int (*set_addr)(struct dsa_switch *ds, u8 *addr); - - /* - * Access to the switch's PHY registers. - */ - int (*phy_read)(struct dsa_switch *ds, int port, int regnum); - int (*phy_write)(struct dsa_switch *ds, int port, - int regnum, u16 val); - - /* - * Link state polling and IRQ handling. - */ - void (*poll_link)(struct dsa_switch *ds); - - /* - * ethtool hardware statistics. - */ - void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); - void (*get_ethtool_stats)(struct dsa_switch *ds, - int port, uint64_t *data); - int (*get_sset_count)(struct dsa_switch *ds); -}; - -void register_switch_driver(struct dsa_switch_driver *type); -void unregister_switch_driver(struct dsa_switch_driver *type); - -/* - * The original DSA tag format and some other tag formats have no - * ethertype, which means that we need to add a little hack to the - * networking receive path to make sure that received frames get - * the right ->protocol assigned to them when one of those tag - * formats is in use. - */ -static inline bool dsa_uses_dsa_tags(struct dsa_switch_tree *dst) -{ - return !!(dst->tag_protocol == htons(ETH_P_DSA)); -} - -static inline bool dsa_uses_trailer_tags(struct dsa_switch_tree *dst) -{ - return !!(dst->tag_protocol == htons(ETH_P_TRAILER)); -} - -#endif |