diff options
| author | Eric Dumazet <edumazet@google.com> | 2025-11-24 17:50:12 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-11-25 19:28:29 -0800 |
| commit | 08dfe370239e53494453cee1e2ded2cdaa1efd12 (patch) | |
| tree | 878e15683ddc34dbcef1e14ca85c088aba1c34b5 /net/mptcp/protocol.h | |
| parent | 27e8257a86516682e2ec5d7543a8909c37ae8b00 (diff) | |
tcp: introduce icsk->icsk_keepalive_timer
sk->sk_timer has been used for TCP keepalives.
Keepalive timers are not in fast path, we want to use sk->sk_timer
storage for retransmit timers, for better cache locality.
Create icsk->icsk_keepalive_timer and change keepalive
code to no longer use sk->sk_timer.
Added space is reclaimed in the following patch.
This includes changes to MPTCP, which was also using sk_timer.
Alias icsk->mptcp_tout_timer and icsk->icsk_keepalive_timer
for inet_sk_diag_fill() sake.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20251124175013.1473655-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/protocol.h')
| -rw-r--r-- | net/mptcp/protocol.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 313da78e2b75..9c0d17876b22 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -892,7 +892,7 @@ static inline void mptcp_stop_tout_timer(struct sock *sk) if (!inet_csk(sk)->icsk_mtup.probe_timestamp) return; - sk_stop_timer(sk, &sk->sk_timer); + sk_stop_timer(sk, &inet_csk(sk)->mptcp_tout_timer); inet_csk(sk)->icsk_mtup.probe_timestamp = 0; } |