ipv6: yet another new IPV6_MTU_DISCOVER option IPV6_PMTUDISC_OMIT

[firefly-linux-kernel-4.4.55.git] / include / net / ip6_route.h

diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 017badb1aec7e8648a6f71d473862b730a78b4e8..00e3f12cb2f94dfd0755581f6c48bc165a469588 100644 (file)
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -171,7 +171,14 @@ static inline int ip6_skb_dst_mtu(struct sk_buff *skb)
 
 static inline bool ip6_sk_accept_pmtu(const struct sock *sk)
 {
-       return inet6_sk(sk)->pmtudisc != IPV6_PMTUDISC_INTERFACE;
+       return inet6_sk(sk)->pmtudisc != IPV6_PMTUDISC_INTERFACE &&
+              inet6_sk(sk)->pmtudisc != IPV6_PMTUDISC_OMIT;
+}
+
+static inline bool ip6_sk_local_df(const struct sock *sk)
+{
+       return inet6_sk(sk)->pmtudisc < IPV6_PMTUDISC_DO ||
+              inet6_sk(sk)->pmtudisc == IPV6_PMTUDISC_OMIT;
 }
 
 static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt)