tcp: call tcp_measure_rcv_mss() for ooo packets

JIRA: https://issues.redhat.com/browse/RHEL-115580

Upstream commit:
commit 38d7e44
Author: Eric Dumazet <edumazet@google.com>
Date:   Fri Jul 11 11:40:02 2025 +0000

    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: dfa2f04 ("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: Paolo Abeni <pabeni@redhat.com>

Author: Paolo Abeni

net/ipv4/tcp_input.c

@@ -5044,6 +5044,7 @@ 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);