stuartl/linux-stable
1
0
Fork 0
mirror of https://kernel.googlesource.com/pub/scm/linux/kernel/git/stable/linux-stable.git synced 2025-09-24 16:40:40 +10:00
Code Issues Releases Wiki Activity

tcp: call tcp_measure_rcv_mss() for ooo packets

Browse Source 
[ Upstream commit 38d7e44433 ]

tcp_measure_rcv_mss() is used to update icsk->icsk_ack.rcv_mss
(tcpi_rcv_mss in tcp_info) and tp->scaling_ratio.

Calling it from tcp_data_queue_ofo() makes sure these
fields are updated, and permits a better tuning
of sk->sk_rcvbuf, in the case a new flow receives many ooo
packets.

Fixes: dfa2f04833 ("tcp: get rid of sysctl_tcp_adv_win_scale")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eric Dumazet 2025-07-11 11:40:02 +00:00 committed by Greg Kroah-Hartman
parent 9a20c9da5f
commit 20a1e65364
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
net/ipv4/tcp_input.c
View File

@ -4941,6 +4941,7 @@ static void tcp_data_queue_ofo(struct sock *sk, struct sk_buff *skb)
return;
}
tcp_measure_rcv_mss(sk, skb);
/* Disable header prediction. */
tp->pred_flags = 0;
inet_csk_schedule_ack(sk);