diff options
| author | Brian Vazquez <brianvv@google.com> | 2021-02-01 17:41:30 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-02-03 14:51:39 -0800 |
| commit | 6585d7dc491d9d5e323ed52ee32ad071e04c9dfa (patch) | |
| tree | a8b9d9b484b9e5cc6d0f00139b20c8f21ff5f4c8 | |
| parent | e43b21906439ed14dda84f9784d38c03d0464607 (diff) | |
| download | linux-6585d7dc491d9d5e323ed52ee32ad071e04c9dfa.tar.bz2 | |
net: use indirect call helpers for dst_output
This patch avoids the indirect call for the common case:
ip6_output and ip_output
Signed-off-by: Brian Vazquez <brianvv@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | include/net/dst.h | 8 | ||||
| -rw-r--r-- | net/ipv4/ip_output.c | 1 | ||||
| -rw-r--r-- | net/ipv6/ip6_output.c | 1 |
3 files changed, 9 insertions, 1 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index 98cf6e8c06c4..3932e9931f08 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -436,10 +436,16 @@ static inline void dst_set_expires(struct dst_entry *dst, int timeout) dst->expires = expires; } +INDIRECT_CALLABLE_DECLARE(int ip6_output(struct net *, struct sock *, + struct sk_buff *)); +INDIRECT_CALLABLE_DECLARE(int ip_output(struct net *, struct sock *, + struct sk_buff *)); /* Output packet to network from transport. */ static inline int dst_output(struct net *net, struct sock *sk, struct sk_buff *skb) { - return skb_dst(skb)->output(net, sk, skb); + return INDIRECT_CALL_INET(skb_dst(skb)->output, + ip6_output, ip_output, + net, sk, skb); } INDIRECT_CALLABLE_DECLARE(int ip6_input(struct sk_buff *)); diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 959b94e32f2b..3aab53beb4ea 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -434,6 +434,7 @@ int ip_output(struct net *net, struct sock *sk, struct sk_buff *skb) ip_finish_output, !(IPCB(skb)->flags & IPSKB_REROUTED)); } +EXPORT_SYMBOL(ip_output); /* * copy saddr and daddr, possibly using 64bit load/stores diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 117cd95df213..ff4f9ebcf7f6 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -217,6 +217,7 @@ int ip6_output(struct net *net, struct sock *sk, struct sk_buff *skb) ip6_finish_output, !(IP6CB(skb)->flags & IP6SKB_REROUTED)); } +EXPORT_SYMBOL(ip6_output); bool ip6_autoflowlabel(struct net *net, const struct ipv6_pinfo *np) { |