diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2019-05-03 18:01:38 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-05-05 20:38:04 +0300 |
| commit | 97ff7ffb11fe7a859a490771e7ce23f1f335176b (patch) | |
| tree | 0b6bcf8f028ecbe20eafab86c08ef06150f02c15 /net/ipv4/ip_input.c | |
| parent | 0e219ae48c3bbf382ef96adf3825457315728c03 (diff) | |
| download | linux-97ff7ffb11fe7a859a490771e7ce23f1f335176b.tar.xz | |
net: use indirect calls helpers at early demux stage
So that we avoid another indirect call per RX packet, if
early demux is enabled.
Signed-off-by: Paolo Abeni <pabeni@redhat.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.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 8d78de4b0304..ed97724c5e33 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -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 */ |