Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / include / linux / netdevice.h

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c5b97cf..50a4719 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -34,9 +34,9 @@
 #include <asm/cache.h>
 #include <asm/byteorder.h>
 
-#include <linux/config.h>
 #include <linux/device.h>
 #include <linux/percpu.h>
+#include <linux/dmaengine.h>
 
 struct divert_blk;
 struct vlan_group;
@@ -313,9 +313,15 @@ struct net_device
 
        /* Segmentation offload features */
 #define NETIF_F_GSO_SHIFT      16
+#define NETIF_F_GSO_MASK       0xffff0000
 #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_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)
+
+       /* List of features with software fallbacks. */
+#define NETIF_F_GSO_SOFTWARE   (NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6)
 
 #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)
@@ -608,6 +614,9 @@ struct softnet_data
        struct sk_buff          *completion_queue;
 
        struct net_device       backlog_dev;    /* Sorry. 8) */
+#ifdef CONFIG_NET_DMA
+       struct dma_chan         *net_dma;
+#endif
 };
 
 DECLARE_PER_CPU(struct softnet_data,softnet_data);
@@ -699,7 +708,6 @@ extern int          dev_hard_start_xmit(struct sk_buff *skb,
 
 extern void            dev_init(void);
 
-extern int             netdev_nit;
 extern int             netdev_budget;
 
 /* Called by rtnetlink.c:rtnl_unlock() */
@@ -989,12 +997,17 @@ extern void dev_seq_stop(struct seq_file *seq, void *v);
 
 extern void linkwatch_run_queue(void);
 
-static inline int skb_gso_ok(struct sk_buff *skb, int features)
+static inline int net_gso_ok(int features, int gso_type)
 {
-       int feature = skb_shinfo(skb)->gso_type << NETIF_F_GSO_SHIFT;
+       int feature = gso_type << NETIF_F_GSO_SHIFT;
        return (features & feature) == feature;
 }
 
+static inline int skb_gso_ok(struct sk_buff *skb, int features)
+{
+       return net_gso_ok(features, skb_shinfo(skb)->gso_type);
+}
+
 static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb)
 {
        return skb_is_gso(skb) &&
@@ -1002,6 +1015,30 @@ static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb)
                unlikely(skb->ip_summed != CHECKSUM_HW));
 }
 
+/* On bonding slaves other than the currently active slave, suppress
+ * duplicates except for 802.3ad ETH_P_SLOW and alb non-mcast/bcast.
+ */
+static inline int skb_bond_should_drop(struct sk_buff *skb)
+{
+       struct net_device *dev = skb->dev;
+       struct net_device *master = dev->master;
+
+       if (master &&
+           (dev->priv_flags & IFF_SLAVE_INACTIVE)) {
+               if (master->priv_flags & IFF_MASTER_ALB) {
+                       if (skb->pkt_type != PACKET_BROADCAST &&
+                           skb->pkt_type != PACKET_MULTICAST)
+                               return 0;
+               }
+               if (master->priv_flags & IFF_MASTER_8023AD &&
+                   skb->protocol == __constant_htons(ETH_P_SLOW))
+                       return 0;
+
+               return 1;
+       }
+       return 0;
+}
+
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_DEV_H */