diff options
Diffstat (limited to 'include/linux/ipv6.h')
| -rw-r--r-- | include/linux/ipv6.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 58d6e158755f..5c91b0b055d4 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -118,14 +118,29 @@ struct inet6_skb_parm { #define IP6SKB_ROUTERALERT 8 #define IP6SKB_FRAGMENTED 16 #define IP6SKB_HOPBYHOP 32 +#define IP6SKB_L3SLAVE 64 }; +#if defined(CONFIG_NET_L3_MASTER_DEV) +static inline bool skb_l3mdev_slave(__u16 flags) +{ + return flags & IP6SKB_L3SLAVE; +} +#else +static inline bool skb_l3mdev_slave(__u16 flags) +{ + return false; +} +#endif + #define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb)) #define IP6CBMTU(skb) ((struct ip6_mtuinfo *)((skb)->cb)) static inline int inet6_iif(const struct sk_buff *skb) { - return IP6CB(skb)->iif; + bool l3_slave = skb_l3mdev_slave(IP6CB(skb)->flags); + + return l3_slave ? skb->skb_iif : IP6CB(skb)->iif; } struct tcp6_request_sock { |