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authorEric Dumazet <edumazet@google.com>2025-11-24 17:50:13 +0000
committerJakub Kicinski <kuba@kernel.org>2025-11-25 19:28:29 -0800
commit9a5e5334adc039fa652aa071ea95b18db0bc1f43 (patch)
tree364b6e41e92b9ff4e784ee82f22a0cbaa9cff8ff /include/net/inet_connection_sock.h
parent08dfe370239e53494453cee1e2ded2cdaa1efd12 (diff)
tcp: remove icsk->icsk_retransmit_timer
Now sk->sk_timer is no longer used by TCP keepalive, we can use its storage for TCP and MPTCP retransmit timers for better cache locality. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Link: https://patch.msgid.link/20251124175013.1473655-5-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/inet_connection_sock.h')
-rw-r--r--include/net/inet_connection_sock.h8
1 files changed, 3 insertions, 5 deletions
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index e0d90b996348..ecb362025c4e 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -56,7 +56,6 @@ struct inet_connection_sock_af_ops {
* @icsk_accept_queue: FIFO of established children
* @icsk_bind_hash: Bind node
* @icsk_bind2_hash: Bind node in the bhash2 table
- * @icsk_retransmit_timer: Resend (no ack)
* @icsk_delack_timer: Delayed ACK timer
* @icsk_keepalive_timer: Keepalive timer
* @mptcp_tout_timer: mptcp timer
@@ -84,7 +83,6 @@ struct inet_connection_sock {
struct request_sock_queue icsk_accept_queue;
struct inet_bind_bucket *icsk_bind_hash;
struct inet_bind2_bucket *icsk_bind2_hash;
- struct timer_list icsk_retransmit_timer;
struct timer_list icsk_delack_timer;
union {
struct timer_list icsk_keepalive_timer;
@@ -193,7 +191,7 @@ static inline void inet_csk_delack_init(struct sock *sk)
static inline unsigned long tcp_timeout_expires(const struct sock *sk)
{
- return READ_ONCE(inet_csk(sk)->icsk_retransmit_timer.expires);
+ return READ_ONCE(sk->tcp_retransmit_timer.expires);
}
static inline unsigned long
@@ -209,7 +207,7 @@ static inline void inet_csk_clear_xmit_timer(struct sock *sk, const int what)
if (what == ICSK_TIME_RETRANS || what == ICSK_TIME_PROBE0) {
smp_store_release(&icsk->icsk_pending, 0);
#ifdef INET_CSK_CLEAR_TIMERS
- sk_stop_timer(sk, &icsk->icsk_retransmit_timer);
+ sk_stop_timer(sk, &sk->tcp_retransmit_timer);
#endif
} else if (what == ICSK_TIME_DACK) {
smp_store_release(&icsk->icsk_ack.pending, 0);
@@ -241,7 +239,7 @@ static inline void inet_csk_reset_xmit_timer(struct sock *sk, const int what,
if (what == ICSK_TIME_RETRANS || what == ICSK_TIME_PROBE0 ||
what == ICSK_TIME_LOSS_PROBE || what == ICSK_TIME_REO_TIMEOUT) {
smp_store_release(&icsk->icsk_pending, what);
- sk_reset_timer(sk, &icsk->icsk_retransmit_timer, when);
+ sk_reset_timer(sk, &sk->tcp_retransmit_timer, when);
} else if (what == ICSK_TIME_DACK) {
smp_store_release(&icsk->icsk_ack.pending,
icsk->icsk_ack.pending | ICSK_ACK_TIMER);