diff options
Diffstat (limited to 'include/net/xfrm.h')
| -rw-r--r-- | include/net/xfrm.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 10295ab4cdfb..8f7fb033d557 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1993,4 +1993,20 @@ static inline int xfrm_tunnel_check(struct sk_buff *skb, struct xfrm_state *x, return 0; } + +#if IS_ENABLED(CONFIG_IPV6) +static inline bool xfrm6_local_dontfrag(const struct sock *sk) +{ + int proto; + + if (!sk || sk->sk_family != AF_INET6) + return false; + + proto = sk->sk_protocol; + if (proto == IPPROTO_UDP || proto == IPPROTO_RAW) + return inet6_sk(sk)->dontfrag; + + return false; +} +#endif #endif /* _NET_XFRM_H */ |