diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/xen-netback/common.h')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/xen-netback/common.h | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/ANDROID_3.4.5/drivers/net/xen-netback/common.h b/ANDROID_3.4.5/drivers/net/xen-netback/common.h deleted file mode 100644 index 94b79c33..00000000 --- a/ANDROID_3.4.5/drivers/net/xen-netback/common.h +++ /dev/null @@ -1,157 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation; or, when distributed - * separately from the Linux kernel or incorporated into other - * software packages, subject to the following license: - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this source file (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, copy, modify, - * merge, publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#ifndef __XEN_NETBACK__COMMON_H__ -#define __XEN_NETBACK__COMMON_H__ - -#define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__ - -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/slab.h> -#include <linux/ip.h> -#include <linux/in.h> -#include <linux/io.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/wait.h> -#include <linux/sched.h> - -#include <xen/interface/io/netif.h> -#include <xen/interface/grant_table.h> -#include <xen/grant_table.h> -#include <xen/xenbus.h> - -struct xen_netbk; - -struct xenvif { - /* Unique identifier for this interface. */ - domid_t domid; - unsigned int handle; - - /* Reference to netback processing backend. */ - struct xen_netbk *netbk; - - u8 fe_dev_addr[6]; - - /* Physical parameters of the comms window. */ - unsigned int irq; - - /* List of frontends to notify after a batch of frames sent. */ - struct list_head notify_list; - - /* The shared rings and indexes. */ - struct xen_netif_tx_back_ring tx; - struct xen_netif_rx_back_ring rx; - - /* Frontend feature information. */ - u8 can_sg:1; - u8 gso:1; - u8 gso_prefix:1; - u8 csum:1; - - /* Internal feature information. */ - u8 can_queue:1; /* can queue packets for receiver? */ - - /* - * Allow xenvif_start_xmit() to peek ahead in the rx request - * ring. This is a prediction of what rx_req_cons will be - * once all queued skbs are put on the ring. - */ - RING_IDX rx_req_cons_peek; - - /* Transmit shaping: allow 'credit_bytes' every 'credit_usec'. */ - unsigned long credit_bytes; - unsigned long credit_usec; - unsigned long remaining_credit; - struct timer_list credit_timeout; - - /* Statistics */ - unsigned long rx_gso_checksum_fixup; - - /* Miscellaneous private stuff. */ - struct list_head schedule_list; - atomic_t refcnt; - struct net_device *dev; - - wait_queue_head_t waiting_to_free; -}; - -static inline struct xenbus_device *xenvif_to_xenbus_device(struct xenvif *vif) -{ - return to_xenbus_device(vif->dev->dev.parent); -} - -#define XEN_NETIF_TX_RING_SIZE __CONST_RING_SIZE(xen_netif_tx, PAGE_SIZE) -#define XEN_NETIF_RX_RING_SIZE __CONST_RING_SIZE(xen_netif_rx, PAGE_SIZE) - -struct xenvif *xenvif_alloc(struct device *parent, - domid_t domid, - unsigned int handle); - -int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref, - unsigned long rx_ring_ref, unsigned int evtchn); -void xenvif_disconnect(struct xenvif *vif); - -void xenvif_get(struct xenvif *vif); -void xenvif_put(struct xenvif *vif); - -int xenvif_xenbus_init(void); - -int xenvif_schedulable(struct xenvif *vif); - -int xen_netbk_rx_ring_full(struct xenvif *vif); - -int xen_netbk_must_stop_queue(struct xenvif *vif); - -/* (Un)Map communication rings. */ -void xen_netbk_unmap_frontend_rings(struct xenvif *vif); -int xen_netbk_map_frontend_rings(struct xenvif *vif, - grant_ref_t tx_ring_ref, - grant_ref_t rx_ring_ref); - -/* (De)Register a xenvif with the netback backend. */ -void xen_netbk_add_xenvif(struct xenvif *vif); -void xen_netbk_remove_xenvif(struct xenvif *vif); - -/* (De)Schedule backend processing for a xenvif */ -void xen_netbk_schedule_xenvif(struct xenvif *vif); -void xen_netbk_deschedule_xenvif(struct xenvif *vif); - -/* Check for SKBs from frontend and schedule backend processing */ -void xen_netbk_check_rx_xenvif(struct xenvif *vif); -/* Receive an SKB from the frontend */ -void xenvif_receive_skb(struct xenvif *vif, struct sk_buff *skb); - -/* Queue an SKB for transmission to the frontend */ -void xen_netbk_queue_tx_skb(struct xenvif *vif, struct sk_buff *skb); -/* Notify xenvif that ring now has space to send an skb to the frontend */ -void xenvif_notify_tx_completion(struct xenvif *vif); - -/* Returns number of ring slots required to send an skb to the frontend */ -unsigned int xen_netbk_count_skb_slots(struct xenvif *vif, struct sk_buff *skb); - -#endif /* __XEN_NETBACK__COMMON_H__ */ |