diff options
| author |   Paolo Abeni <pabeni@redhat.com> | 2019-05-03 17:01:37 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-05-05 10:38:04 -0700 |
| commit | 0e219ae48c3bbf382ef96adf3825457315728c03 (patch) | |
| tree | caab033dc6fe9c00528d6fc341d53b0b9ce368e5 /net/ipv4/ip_input.c | |
| parent | net: use indirect calls helpers for ptype hook (diff) | |
| download | linux-dev-0e219ae48c3bbf382ef96adf3825457315728c03.tar.xz linux-dev-0e219ae48c3bbf382ef96adf3825457315728c03.zip | |
net: use indirect calls helpers for L3 handler hooks
So that we avoid another indirect call per RX packet in the common
case.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/ipv4/ip_input.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 1132d6d1796a..8d78de4b0304 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -130,6 +130,7 @@ #include <linux/inetdevice.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> +#include <linux/indirect_call_wrapper.h> #include <net/snmp.h> #include <net/ip.h> @@ -188,6 +189,8 @@ bool ip_call_ra_chain(struct sk_buff *skb) return false; } +INDIRECT_CALLABLE_DECLARE(int udp_rcv(struct sk_buff *)); +INDIRECT_CALLABLE_DECLARE(int tcp_v4_rcv(struct sk_buff *)); void ip_protocol_deliver_rcu(struct net *net, struct sk_buff *skb, int protocol) { const struct net_protocol *ipprot; @@ -205,7 +208,8 @@ resubmit: } nf_reset(skb); } - ret = ipprot->handler(skb); + ret = INDIRECT_CALL_2(ipprot->handler, tcp_v4_rcv, udp_rcv, + skb); if (ret < 0) { protocol = -ret; goto resubmit; |