| #ifndef __BACKPORT_NET_DST_H |
| #define __BACKPORT_NET_DST_H |
| #include_next <net/dst.h> |
| #include <linux/version.h> |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31) |
| /* |
| * Added via adf30907d63893e4208dfe3f5c88ae12bc2f25d5 |
| * |
| * There is no _sk_dst on older kernels, so just set the |
| * old dst to NULL and release it directly. |
| */ |
| static inline void skb_dst_drop(struct sk_buff *skb) |
| { |
| dst_release(skb->dst); |
| skb->dst = NULL; |
| } |
| |
| static inline struct dst_entry *skb_dst(const struct sk_buff *skb) |
| { |
| return (struct dst_entry *)skb->dst; |
| } |
| |
| static inline void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst) |
| { |
| skb->dst = dst; |
| } |
| |
| static inline struct rtable *skb_rtable(const struct sk_buff *skb) |
| { |
| return (struct rtable *)skb_dst(skb); |
| } |
| #endif |
| |
| #endif /* __BACKPORT_NET_DST_H */ |
