]> git.ipfire.org Git - thirdparty/linux.git/commit
tcp: call tcp_measure_rcv_mss() for ooo packets
authorEric Dumazet <edumazet@google.com>
Fri, 11 Jul 2025 11:40:02 +0000 (11:40 +0000)
committerJakub Kicinski <kuba@kernel.org>
Tue, 15 Jul 2025 01:41:43 +0000 (18:41 -0700)
commit38d7e444336567bae1c7b21fc18b7ceaaa5643a0
tree9e4173c74b59d94d6b1f8a86333c8d9ae67ef132
parentf5fda1a86884cf20d9b5842221b963bb16bcebf1
tcp: call tcp_measure_rcv_mss() for ooo packets

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: dfa2f0483360 ("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>
net/ipv4/tcp_input.c