1 files changed, 72 insertions, 58 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 659366734f3f..2e7783f4a755 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -32,6 +32,7 @@
 #ifdef __KERNEL__
 #include <linux/timer.h>
 #include <linux/delay.h>
+#include <linux/mm.h>
 #include <asm/atomic.h>
 #include <asm/cache.h>
 #include <asm/byteorder.h>
@@ -96,7 +97,7 @@ struct wireless_dev;
  *      Compute the worst case header length according to the protocols
  *      used.
  */
- 
+
 #if defined(CONFIG_WLAN_80211) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
 # if defined(CONFIG_MAC80211_MESH)
 #  define LL_MAX_HEADER 128
@@ -124,7 +125,7 @@ struct wireless_dev;
  *      Network device statistics. Akin to the 2.0 ether stats but
  *      with byte counters.
  */
- 
+
 struct net_device_stats
 {
         unsigned long   rx_packets;             /* total packets received       */
@@ -285,7 +286,7 @@ enum netdev_state_t
 
 /*
  * This structure holds at boot time configured netdevice settings. They
- * are then used in the device probing. 
+ * are then used in the device probing.
  */
 struct netdev_boot_setup {
         char name[IFNAMSIZ];
@@ -314,6 +315,9 @@ struct napi_struct {
         spinlock_t              poll_lock;
         int                     poll_owner;
 #endif
+
+        unsigned int            gro_count;
+
         struct net_device       *dev;
         struct list_head        dev_list;
         struct sk_buff          *gro_list;
@@ -327,6 +331,14 @@ enum
         NAPI_STATE_NPSVC,       /* Netpoll - don't dequeue from poll_list */
 };
 
+enum {
+        GRO_MERGED,
+        GRO_MERGED_FREE,
+        GRO_HELD,
+        GRO_NORMAL,
+        GRO_DROP,
+};
+
 extern void __napi_schedule(struct napi_struct *n);
 
 static inline int napi_disable_pending(struct napi_struct *n)
@@ -582,6 +594,14 @@ struct net_device_ops {
 #define HAVE_NETDEV_POLL
         void                    (*ndo_poll_controller)(struct net_device *dev);
 #endif
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+        int                     (*ndo_fcoe_ddp_setup)(struct net_device *dev,
+                                                      u16 xid,
+                                                      struct scatterlist *sgl,
+                                                      unsigned int sgc);
+        int                     (*ndo_fcoe_ddp_done)(struct net_device *dev,
+                                                     u16 xid);
+#endif
 };
 
 /*
@@ -650,14 +670,17 @@ struct net_device
 #define NETIF_F_GRO             16384   /* Generic receive offload */
 #define NETIF_F_LRO             32768   /* large receive offload */
 
+#define NETIF_F_FCOE_CRC        (1 << 24) /* FCoE CRC32 */
+
         /* Segmentation offload features */
 #define NETIF_F_GSO_SHIFT       16
-#define NETIF_F_GSO_MASK        0xffff0000
+#define NETIF_F_GSO_MASK        0x00ff0000
 #define NETIF_F_TSO             (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
 #define NETIF_F_UFO             (SKB_GSO_UDP << NETIF_F_GSO_SHIFT)
 #define NETIF_F_GSO_ROBUST      (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)
 #define NETIF_F_TSO_ECN         (SKB_GSO_TCP_ECN << NETIF_F_GSO_SHIFT)
 #define NETIF_F_TSO6            (SKB_GSO_TCPV6 << NETIF_F_GSO_SHIFT)
+#define NETIF_F_FSO             (SKB_GSO_FCOE << NETIF_F_GSO_SHIFT)
 
         /* List of features with software fallbacks. */
 #define NETIF_F_GSO_SOFTWARE    (NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6)
@@ -740,7 +763,7 @@ struct net_device
         void                    *dsa_ptr;       /* dsa specific data */
 #endif
         void                    *atalk_ptr;     /* AppleTalk link       */
-        void                    *ip_ptr;        /* IPv4 specific data   */  
+        void                    *ip_ptr;        /* IPv4 specific data   */
         void                    *dn_ptr;        /* DECnet specific data */
         void                    *ip6_ptr;       /* IPv6 specific data */
         void                    *ec_ptr;        /* Econet specific data */
@@ -753,7 +776,7 @@ struct net_device
  */
         unsigned long           last_rx;        /* Time of last Rx      */
         /* Interface address info used in eth_type_trans() */
-        unsigned char           dev_addr[MAX_ADDR_LEN]; /* hw address, (before bcast 
+        unsigned char           dev_addr[MAX_ADDR_LEN]; /* hw address, (before bcast
                                                            because most packets are unicast) */
 
         unsigned char           broadcast[MAX_ADDR_LEN];        /* hw bcast add */
@@ -840,6 +863,11 @@ struct net_device
         struct dcbnl_rtnl_ops *dcbnl_ops;
 #endif
 
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+        /* max exchange id for FCoE LRO by ddp */
+        unsigned int            fcoe_ddp_xid;
+#endif
+
 #ifdef CONFIG_COMPAT_NET_DEV_OPS
         struct {
                 int                     (*init)(struct net_device *dev);
@@ -984,6 +1012,9 @@ void netif_napi_add(struct net_device *dev, struct napi_struct *napi,
 void netif_napi_del(struct napi_struct *napi);
 
 struct napi_gro_cb {
+        /* This indicates where we are processing relative to skb->data. */
+        int data_offset;
+
         /* This is non-zero if the packet may be of the same flow. */
         int same_flow;
 
@@ -1088,6 +1119,36 @@ extern int		dev_restart(struct net_device *dev);
 #ifdef CONFIG_NETPOLL_TRAP
 extern int              netpoll_trap(void);
 #endif
+extern void           *skb_gro_header(struct sk_buff *skb, unsigned int hlen);
+extern int             skb_gro_receive(struct sk_buff **head,
+                                       struct sk_buff *skb);
+
+static inline unsigned int skb_gro_offset(const struct sk_buff *skb)
+{
+        return NAPI_GRO_CB(skb)->data_offset;
+}
+
+static inline unsigned int skb_gro_len(const struct sk_buff *skb)
+{
+        return skb->len - NAPI_GRO_CB(skb)->data_offset;
+}
+
+static inline void skb_gro_pull(struct sk_buff *skb, unsigned int len)
+{
+        NAPI_GRO_CB(skb)->data_offset += len;
+}
+
+static inline void skb_gro_reset_offset(struct sk_buff *skb)
+{
+        NAPI_GRO_CB(skb)->data_offset = 0;
+}
+
+static inline void *skb_gro_mac_header(struct sk_buff *skb)
+{
+        return skb_mac_header(skb) < skb->data ? skb_mac_header(skb) :
+               page_address(skb_shinfo(skb)->frags[0].page) +
+               skb_shinfo(skb)->frags[0].page_offset;
+}
 
 static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev,
                                   unsigned short type,
@@ -1376,12 +1437,15 @@ extern int		netif_receive_skb(struct sk_buff *skb);
 extern void             napi_gro_flush(struct napi_struct *napi);
 extern int              dev_gro_receive(struct napi_struct *napi,
                                         struct sk_buff *skb);
+extern int              napi_skb_finish(int ret, struct sk_buff *skb);
 extern int              napi_gro_receive(struct napi_struct *napi,
                                          struct sk_buff *skb);
 extern void             napi_reuse_skb(struct napi_struct *napi,
                                        struct sk_buff *skb);
 extern struct sk_buff * napi_fraginfo_skb(struct napi_struct *napi,
                                           struct napi_gro_fraginfo *info);
+extern int              napi_frags_finish(struct napi_struct *napi,
+                                          struct sk_buff *skb, int ret);
 extern int              napi_gro_frags(struct napi_struct *napi,
                                        struct napi_gro_fraginfo *info);
 extern void             netif_nit_deliver(struct sk_buff *skb);
@@ -1575,56 +1639,6 @@ static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits)
         return (1 << debug_value) - 1;
 }
 
-/* Test if receive needs to be scheduled but only if up */
-static inline int netif_rx_schedule_prep(struct napi_struct *napi)
-{
-        return napi_schedule_prep(napi);
-}
-
-/* Add interface to tail of rx poll list. This assumes that _prep has
- * already been called and returned 1.
- */
-static inline void __netif_rx_schedule(struct napi_struct *napi)
-{
-        __napi_schedule(napi);
-}
-
-/* Try to reschedule poll. Called by irq handler. */
-
-static inline void netif_rx_schedule(struct napi_struct *napi)
-{
-        if (netif_rx_schedule_prep(napi))
-                __netif_rx_schedule(napi);
-}
-
-/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete().  */
-static inline int netif_rx_reschedule(struct napi_struct *napi)
-{
-        if (napi_schedule_prep(napi)) {
-                __netif_rx_schedule(napi);
-                return 1;
-        }
-        return 0;
-}
-
-/* same as netif_rx_complete, except that local_irq_save(flags)
- * has already been issued
- */
-static inline void __netif_rx_complete(struct napi_struct *napi)
-{
-        __napi_complete(napi);
-}
-
-/* Remove interface from poll list: it must be in the poll list
- * on current cpu. This primitive is called by dev->poll(), when
- * it completes the work. The device cannot be out of poll list at this
- * moment, it is BUG().
- */
-static inline void netif_rx_complete(struct napi_struct *napi)
-{
-        napi_complete(napi);
-}
-
 static inline void __netif_tx_lock(struct netdev_queue *txq, int cpu)
 {
         spin_lock(&txq->_xmit_lock);
@@ -1875,7 +1889,7 @@ static inline int skb_bond_should_drop(struct sk_buff *skb)
 
                 if (dev->priv_flags & IFF_SLAVE_INACTIVE) {
                         if ((dev->priv_flags & IFF_SLAVE_NEEDARP) &&
-                            skb->protocol == __constant_htons(ETH_P_ARP))
+                            skb->protocol == __cpu_to_be16(ETH_P_ARP))
                                 return 0;
 
                         if (master->priv_flags & IFF_MASTER_ALB) {
@@ -1884,7 +1898,7 @@ static inline int skb_bond_should_drop(struct sk_buff *skb)
                                         return 0;
                         }
                         if (master->priv_flags & IFF_MASTER_8023AD &&
-                            skb->protocol == __constant_htons(ETH_P_SLOW))
+                            skb->protocol == __cpu_to_be16(ETH_P_SLOW))
                                 return 0;
 
                         return 1;