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authorPaolo Abeni <pabeni@redhat.com>2019-05-03 17:01:38 +0200
committerDavid S. Miller <davem@davemloft.net>2019-05-05 10:38:04 -0700
commit97ff7ffb11fe7a859a490771e7ce23f1f335176b (patch)
tree0b6bcf8f028ecbe20eafab86c08ef06150f02c15 /net/ipv6/ip6_input.c
parent0e219ae48c3bbf382ef96adf3825457315728c03 (diff)
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/ipv6/ip6_input.c')
-rw-r--r--net/ipv6/ip6_input.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index adf06159837f..b50b1af1f530 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -48,6 +48,8 @@
#include <net/inet_ecn.h>
#include <net/dst_metadata.h>
+INDIRECT_CALLABLE_DECLARE(void udp_v6_early_demux(struct sk_buff *));
+INDIRECT_CALLABLE_DECLARE(void tcp_v6_early_demux(struct sk_buff *));
static void ip6_rcv_finish_core(struct net *net, struct sock *sk,
struct sk_buff *skb)
{
@@ -58,7 +60,8 @@ static void ip6_rcv_finish_core(struct net *net, struct sock *sk,
ipprot = rcu_dereference(inet6_protos[ipv6_hdr(skb)->nexthdr]);
if (ipprot && (edemux = READ_ONCE(ipprot->early_demux)))
- edemux(skb);
+ INDIRECT_CALL_2(edemux, tcp_v6_early_demux,
+ udp_v6_early_demux, skb);
}
if (!skb_valid_dst(skb))
ip6_route_input(skb);