datapath: Account for RHEL6.4 backports in compat layer

[sliver-openvswitch.git] / datapath / linux / compat / include / linux / netdevice.h

diff --git a/datapath/linux/compat/include/linux/netdevice.h b/datapath/linux/compat/include/linux/netdevice.h
index 04ebd89..f8240df 100644 (file)
--- a/datapath/linux/compat/include/linux/netdevice.h
+++ b/datapath/linux/compat/include/linux/netdevice.h
@@ -60,11 +60,11 @@ typedef int netdev_tx_t;
 #elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
 /* Linux 2.6.24 added a network namespace pointer to the macro. */
 #undef for_each_netdev
-#define for_each_netdev(net,d) list_for_each_entry(d, &dev_base_head, dev_list)
+#define for_each_netdev(net, d) list_for_each_entry(d, &dev_base_head, dev_list)
 #endif
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-#define net_xmit_eval(e)       ((e) == NET_XMIT_CN? 0 : (e))
+#define net_xmit_eval(e)       ((e) == NET_XMIT_CN ? 0 : (e))
 #endif
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)
@@ -77,19 +77,6 @@ extern void unregister_netdevice_many(struct list_head *head);
 extern void dev_disable_lro(struct net_device *dev);
 #endif
 
-/* Linux 2.6.28 introduced dev_get_stats():
- * const struct net_device_stats *dev_get_stats(struct net_device *dev);
- *
- * Linux 2.6.36 changed dev_get_stats() to:
- * struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
- *                                         struct rtnl_link_stats64 *storage);
- */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
-#define dev_get_stats(dev, storage) rpl_dev_get_stats(dev, storage)
-struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
-                                       struct rtnl_link_stats64 *storage);
-#endif
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
 #define skb_checksum_help(skb) skb_checksum_help((skb), 0)
 #endif
@@ -113,7 +100,7 @@ static inline void netdev_rx_handler_unregister(struct net_device *dev)
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
 #undef SET_ETHTOOL_OPS
 #define SET_ETHTOOL_OPS(netdev, ops) \
-       ( (netdev)->ethtool_ops = (struct ethtool_ops *)(ops) )
+       ((netdev)->ethtool_ops = (struct ethtool_ops *)(ops))
 #endif
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
@@ -141,4 +128,43 @@ static inline struct net_device *dev_get_by_index_rcu(struct net *net, int ifind
 #define NETIF_F_FSO 0
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
+#define NETIF_F_FCOE_CRC       (1 << 24) /* FCoE CRC32 */
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
+#define NETIF_F_IPV6_CSUM      16      /* Can checksum TCP/UDP over IPV6 */
+
+#define NETIF_F_V4_CSUM                (NETIF_F_GEN_CSUM | NETIF_F_IP_CSUM)
+#define NETIF_F_V6_CSUM                (NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
+#define skb_gso_segment rpl_skb_gso_segment
+struct sk_buff *rpl_skb_gso_segment(struct sk_buff *skb, u32 features);
+
+#define netif_skb_features rpl_netif_skb_features
+u32 rpl_netif_skb_features(struct sk_buff *skb);
+
+#define netif_needs_gso rpl_netif_needs_gso
+static inline int rpl_netif_needs_gso(struct sk_buff *skb, int features)
+{
+       return skb_is_gso(skb) && (!skb_gso_ok(skb, features) ||
+               unlikely(skb->ip_summed != CHECKSUM_PARTIAL));
+}
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
+typedef u32 netdev_features_t;
+#endif
+
+#ifndef HAVE___SKB_GSO_SEGMENT
+static inline struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
+                                               netdev_features_t features,
+                                               bool tx_path)
+{
+       return skb_gso_segment(skb, features);
+}
+#endif
+
 #endif