diff options
| author | Julian Anastasov <ja@ssi.bg> | 2017-02-07 00:14:12 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-07 21:07:46 +0300 |
| commit | 4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e (patch) | |
| tree | 1d29569c1059553f11c2da53df68f3698df92906 /net/ipv4/ip_output.c | |
| parent | 9b8805a325591cf5b6b9df71200de25a2bd721fd (diff) | |
| download | linux-4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e.tar.xz | |
net: add dst_pending_confirm flag to skbuff
Add new skbuff flag to allow protocols to confirm neighbour.
When same struct dst_entry can be used for many different
neighbours we can not use it for pending confirmations.
Add sock_confirm_neigh() helper to confirm the neighbour and
use it for IPv4, IPv6 and VRF before dst_neigh_output.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_output.c')
| -rw-r--r-- | net/ipv4/ip_output.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index b67719f45953..c9fc32fa3272 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -222,7 +222,10 @@ static int ip_finish_output2(struct net *net, struct sock *sk, struct sk_buff *s if (unlikely(!neigh)) neigh = __neigh_create(&arp_tbl, &nexthop, dev, false); if (!IS_ERR(neigh)) { - int res = dst_neigh_output(dst, neigh, skb); + int res; + + sock_confirm_neigh(skb, neigh); + res = dst_neigh_output(dst, neigh, skb); rcu_read_unlock_bh(); return res; |