diff options
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 3a4bbbfdcf8d..c9766f89deba 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -729,6 +729,15 @@ struct tcp_skb_cb { #define TCP_SKB_CB(__skb) ((struct tcp_skb_cb *)&((__skb)->cb[0])) + +/* This is the variant of inet6_iif() that must be used by TCP, + * as TCP moves IP6CB into a different location in skb->cb[] + */ +static inline int tcp_v6_iif(const struct sk_buff *skb) +{ + return TCP_SKB_CB(skb)->header.h6.iif; +} + /* Due to TSO, an SKB can be composed of multiple actual * packets. To keep these tracked properly, we use this. */ |