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authorKirill Tkhai <ktkhai@virtuozzo.com>2018-03-22 12:45:32 +0300
committerDavid S. Miller <davem@davemloft.net>2018-03-22 15:12:56 -0400
commit5796ef75ec7b6019eac88f66751d663d537a5cd3 (patch)
tree227c356176272dcbfb2ed06586043863bff2a3a9 /net/ipv4/ip_input.c
parent128aaa98ad1422eacc4c74879840cb3e579cd934 (diff)
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 <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_input.c')
-rw-r--r--net/ipv4/ip_input.c5
1 files changed, 2 insertions, 3 deletions
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;