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| author | Paolo Abeni <pabeni@redhat.com> | 2018-12-14 11:52:00 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-12-15 13:23:02 -0800 |
| commit | 4f24ed77dec9b067d08f7958a287cbf48665f35e (patch) | |
| tree | e7a50ebb64a47a9a1f06f6ea82efe95dadf6a661 /net/ipv4/udp_offload.c | |
| parent | 028e0a4766844e7eeb31b93479ea6dd40cfc2895 (diff) | |
| download | lwn-4f24ed77dec9b067d08f7958a287cbf48665f35e.tar.gz lwn-4f24ed77dec9b067d08f7958a287cbf48665f35e.zip | |
udp: use indirect call wrappers for GRO socket lookup
This avoids another indirect call for UDP GRO. Again, the test
for the IPv6 variant is performed first.
v1 -> v2:
- adapted to INDIRECT_CALL_ changes
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp_offload.c')
| -rw-r--r-- | net/ipv4/udp_offload.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 9a141a6cf1a0..64f9715173ac 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -392,6 +392,8 @@ static struct sk_buff *udp_gro_receive_segment(struct list_head *head, return NULL; } +INDIRECT_CALLABLE_DECLARE(struct sock *udp6_lib_lookup_skb(struct sk_buff *skb, + __be16 sport, __be16 dport)); struct sk_buff *udp_gro_receive(struct list_head *head, struct sk_buff *skb, struct udphdr *uh, udp_lookup_t lookup) { @@ -403,7 +405,8 @@ struct sk_buff *udp_gro_receive(struct list_head *head, struct sk_buff *skb, struct sock *sk; rcu_read_lock(); - sk = (*lookup)(skb, uh->source, uh->dest); + sk = INDIRECT_CALL_INET(lookup, udp6_lib_lookup_skb, + udp4_lib_lookup_skb, skb, uh->source, uh->dest); if (!sk) goto out_unlock; @@ -503,7 +506,8 @@ int udp_gro_complete(struct sk_buff *skb, int nhoff, uh->len = newlen; rcu_read_lock(); - sk = (*lookup)(skb, uh->source, uh->dest); + sk = INDIRECT_CALL_INET(lookup, udp6_lib_lookup_skb, + udp4_lib_lookup_skb, skb, uh->source, uh->dest); if (sk && udp_sk(sk)->gro_enabled) { err = udp_gro_complete_segment(skb); } else if (sk && udp_sk(sk)->gro_complete) { |