1 files changed, 20 insertions, 3 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index cead6be467ed..bc747e5d7138 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -308,9 +308,13 @@ struct net_device
 #define NETIF_F_HW_VLAN_RX      256     /* Receive VLAN hw acceleration */
 #define NETIF_F_HW_VLAN_FILTER  512     /* Receive filtering on VLAN */
 #define NETIF_F_VLAN_CHALLENGED 1024    /* Device cannot handle VLAN packets */
-#define NETIF_F_TSO             2048    /* Can offload TCP/IP segmentation */
+#define NETIF_F_GSO             2048    /* Enable software GSO. */
 #define NETIF_F_LLTX            4096    /* LockLess TX */
-#define NETIF_F_UFO             8192    /* Can offload UDP Large Send*/
+
+        /* Segmentation offload features */
+#define NETIF_F_GSO_SHIFT       16
+#define NETIF_F_TSO             (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
+#define NETIF_F_UFO             (SKB_GSO_UDPV4 << NETIF_F_GSO_SHIFT)
 
 #define NETIF_F_GEN_CSUM        (NETIF_F_NO_CSUM | NETIF_F_HW_CSUM)
 #define NETIF_F_ALL_CSUM        (NETIF_F_IP_CSUM | NETIF_F_GEN_CSUM)
@@ -402,6 +406,9 @@ struct net_device
         struct list_head        qdisc_list;
         unsigned long           tx_queue_len;   /* Max frames per queue allowed */
 
+        /* Partially transmitted GSO packet. */
+        struct sk_buff          *gso_skb;
+
         /* ingress path synchronizer */
         spinlock_t              ingress_lock;
         struct Qdisc            *qdisc_ingress;
@@ -536,6 +543,7 @@ struct packet_type {
                                          struct net_device *,
                                          struct packet_type *,
                                          struct net_device *);
+        struct sk_buff          *(*gso_segment)(struct sk_buff *skb, int sg);
         void                    *af_packet_priv;
         struct list_head        list;
 };
@@ -686,7 +694,8 @@ extern int		dev_change_name(struct net_device *, char *);
 extern int              dev_set_mtu(struct net_device *, int);
 extern int              dev_set_mac_address(struct net_device *,
                                             struct sockaddr *);
-extern void             dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev);
+extern int              dev_hard_start_xmit(struct sk_buff *skb,
+                                            struct net_device *dev);
 
 extern void             dev_init(void);
 
@@ -960,6 +969,7 @@ extern int		netdev_max_backlog;
 extern int              weight_p;
 extern int              netdev_set_master(struct net_device *dev, struct net_device *master);
 extern int skb_checksum_help(struct sk_buff *skb, int inward);
+extern struct sk_buff *skb_gso_segment(struct sk_buff *skb, int sg);
 #ifdef CONFIG_BUG
 extern void netdev_rx_csum_fault(struct net_device *dev);
 #else
@@ -979,6 +989,13 @@ extern void dev_seq_stop(struct seq_file *seq, void *v);
 
 extern void linkwatch_run_queue(void);
 
+static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb)
+{
+        int feature = skb_shinfo(skb)->gso_type << NETIF_F_GSO_SHIFT;
+        return skb_shinfo(skb)->gso_size &&
+               (dev->features & feature) != feature;
+}
+
 #endif /* __KERNEL__ */
 
 #endif  /* _LINUX_DEV_H */