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[ Upstream commit38d7e44433] 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>