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| author | Eric Dumazet <edumazet@google.com> | 2020-06-19 12:12:34 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-06-20 17:47:53 -0700 |
| commit | 05e22e8395058745bd0312bc488b522197852aff (patch) | |
| tree | 62d1ab4974d59015979fb24e1d823df5b3b825b2 /net/ipv4/ip_output.c | |
| parent | 902053f17dbeff125926bb07e781f6e63f3efe09 (diff) | |
| download | lwn-05e22e8395058745bd0312bc488b522197852aff.tar.gz lwn-05e22e8395058745bd0312bc488b522197852aff.zip | |
tcp: remove indirect calls for icsk->icsk_af_ops->queue_xmit
Mitigate RETPOLINE costs in __tcp_transmit_skb()
by using INDIRECT_CALL_INET() wrapper.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_output.c')
| -rw-r--r-- | net/ipv4/ip_output.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 090d3097ee15..d946356187ed 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -539,6 +539,12 @@ no_route: } EXPORT_SYMBOL(__ip_queue_xmit); +int ip_queue_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl) +{ + return __ip_queue_xmit(sk, skb, fl, inet_sk(sk)->tos); +} +EXPORT_SYMBOL(ip_queue_xmit); + static void ip_copy_metadata(struct sk_buff *to, struct sk_buff *from) { to->pkt_type = from->pkt_type; |