diff options
| author | Eric Dumazet <edumazet@google.com> | 2026-04-10 17:49:50 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-04-12 09:17:03 -0700 |
| commit | 29703d7813f991e4ef80741ee15fe30e529a2192 (patch) | |
| tree | 6cb307a4b19f5eb34ecc2098169d0b607115576f | |
| parent | 59818773bab657f629a60ca534d198b85944417f (diff) | |
tcp: add indirect call wrapper in tcp_conn_request()
Small improvement in SYN processing, to directly call
tcp_v6_init_seq_and_ts_off() or tcp_v4_init_seq_and_ts_off().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260410174950.745670-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | include/net/tcp.h | 6 | ||||
| -rw-r--r-- | net/ipv4/tcp_input.c | 5 | ||||
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 2 | ||||
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 2 |
4 files changed, 12 insertions, 3 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index fce4b653c23e..23ce0329b230 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -3084,4 +3084,10 @@ static inline int tcp_recv_should_stop(struct sock *sk) signal_pending(current); } +INDIRECT_CALLABLE_DECLARE(union tcp_seq_and_ts_off + tcp_v4_init_seq_and_ts_off(const struct net *net, + const struct sk_buff *skb)); +INDIRECT_CALLABLE_DECLARE(union tcp_seq_and_ts_off + tcp_v6_init_seq_and_ts_off(const struct net *net, + const struct sk_buff *skb)); #endif /* _TCP_H */ diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 7171442c3ed7..021f745747c5 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -7658,7 +7658,10 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops, goto drop_and_free; if (tmp_opt.tstamp_ok || (!want_cookie && !isn)) - st = af_ops->init_seq_and_ts_off(net, skb); + st = INDIRECT_CALL_INET(af_ops->init_seq_and_ts_off, + tcp_v6_init_seq_and_ts_off, + tcp_v4_init_seq_and_ts_off, + net, skb); if (tmp_opt.tstamp_ok) { tcp_rsk(req)->req_usec_ts = dst_tcp_usec_ts(dst); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index c9bbbf323648..6813b03515a2 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -105,7 +105,7 @@ static DEFINE_PER_CPU(struct sock_bh_locked, ipv4_tcp_sk) = { static DEFINE_MUTEX(tcp_exit_batch_mutex); -static union tcp_seq_and_ts_off +INDIRECT_CALLABLE_SCOPE union tcp_seq_and_ts_off tcp_v4_init_seq_and_ts_off(const struct net *net, const struct sk_buff *skb) { return secure_tcp_seq_and_ts_off(net, diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 1d37826e8480..0cfde020d1f0 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -105,7 +105,7 @@ static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb) } } -static union tcp_seq_and_ts_off +INDIRECT_CALLABLE_SCOPE union tcp_seq_and_ts_off tcp_v6_init_seq_and_ts_off(const struct net *net, const struct sk_buff *skb) { return secure_tcpv6_seq_and_ts_off(net, |