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tcp: Make use of enum for sack_changed

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No functional change.

Reviewed By:           tuexen, #transport
MFC after:             3 days
Sponsored by:          NetApp, Inc.
Differential Revision: https://reviews.freebsd.org/D43346
This commit is contained in:
Richard Scheffenegger 2024-01-06 20:07:39 +01:00
parent fbbdfa2b8a
commit 893ed42eca
1 changed files with 2 additions and 1 deletions
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3
sys/netinet/tcp_input.c
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@ -2499,7 +2499,8 @@ tcp_do_segment(struct tcpcb *tp, struct mbuf *m, struct tcphdr *th,
goto dropafterack;
}
if (tcp_is_sack_recovery(tp, &to)) {
if (((sack_changed = tcp_sack_doack(tp, &to, th->th_ack)) != 0) &&
sack_changed = tcp_sack_doack(tp, &to, th->th_ack);
if ((sack_changed != SACK_NOCHANGE) &&
(tp->t_flags & TF_LRD)) {
tcp_sack_lost_retransmission(tp, th);
}