From 5796ef75ec7b6019eac88f66751d663d537a5cd3 Mon Sep 17 00:00:00 2001 From: Kirill Tkhai Date: Thu, 22 Mar 2018 12:45:32 +0300 Subject: net: Make ip_ra_chain per struct net This is optimization, which makes ip_call_ra_chain() iterate less sockets to find the sockets it's looking for. Signed-off-by: Kirill Tkhai Signed-off-by: David S. Miller --- net/ipv4/ip_input.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'net/ipv4/ip_input.c') diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 57fc13c6ab2b..7582713dd18f 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -159,7 +159,7 @@ bool ip_call_ra_chain(struct sk_buff *skb) struct net_device *dev = skb->dev; struct net *net = dev_net(dev); - for (ra = rcu_dereference(ip_ra_chain); ra; ra = rcu_dereference(ra->next)) { + for (ra = rcu_dereference(net->ipv4.ra_chain); ra; ra = rcu_dereference(ra->next)) { struct sock *sk = ra->sk; /* If socket is bound to an interface, only report @@ -167,8 +167,7 @@ bool ip_call_ra_chain(struct sk_buff *skb) */ if (sk && inet_sk(sk)->inet_num == protocol && (!sk->sk_bound_dev_if || - sk->sk_bound_dev_if == dev->ifindex) && - net_eq(sock_net(sk), net)) { + sk->sk_bound_dev_if == dev->ifindex)) { if (ip_is_fragment(ip_hdr(skb))) { if (ip_defrag(net, skb, IP_DEFRAG_CALL_RA_CHAIN)) return true; -- cgit v1.2.3-59-g8ed1b