A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 18:51:56 -04:00
Code Issues Projects Releases Packages Wiki Activity

net: use indirect calls helpers at early demux stage

Browse source 
So that we avoid another indirect call per RX packet, if
early demux is enabled.

Signed-off-by: Paolo Abeni <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Paolo Abeni 2019-05-03 17:01:38 +02:00 • committed by David S. Miller
commit 97ff7ffb11
4 changed files with 10 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

5
net/ipv4/ip_input.c
View file

@ -309,6 +309,8 @@ drop:
return true;
}
INDIRECT_CALLABLE_DECLARE(int udp_v4_early_demux(struct sk_buff *));
INDIRECT_CALLABLE_DECLARE(int tcp_v4_early_demux(struct sk_buff *));
static int ip_rcv_finish_core(struct net *net, struct sock *sk,
struct sk_buff *skb, struct net_device *dev)
{
@ -326,7 +328,8 @@ static int ip_rcv_finish_core(struct net *net, struct sock *sk,
ipprot = rcu_dereference(inet_protos[protocol]);
if (ipprot && (edemux = READ_ONCE(ipprot->early_demux))) {
err = edemux(skb);
err = INDIRECT_CALL_2(edemux, tcp_v4_early_demux,
udp_v4_early_demux, skb);
if (unlikely(err))
goto drop_error;
/* must reload iph, skb->head might have changed */