The branch main has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=fa2ad70a4511e7b379e81de82c9e51b2e0994295
commit fa2ad70a4511e7b379e81de82c9e51b2e0994295 Author: Michael Tuexen <[email protected]> AuthorDate: 2026-07-23 16:03:39 +0000 Commit: Michael Tuexen <[email protected]> CommitDate: 2026-07-23 16:03:39 +0000 tcp: make ghost ACK handling more conformant The latest version of draft-ietf-tcpm-tcp-ghost-acks changed a condition. This should make no substantial difference, but makei it compliant to the latest version of the specification. Reviewed by: rscheff, Peter Lei MFC after: 3 days Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D58411 --- sys/netinet/tcp_input.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index 2a778687faf2..37706343d621 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -2386,7 +2386,7 @@ tcp_do_segment(struct tcpcb *tp, struct mbuf *m, struct tcphdr *th, /* * Ack processing. */ - if (SEQ_GEQ(tp->snd_una, tp->iss + (TCP_MAXWIN << tp->snd_scale))) { + if (SEQ_GT(tp->snd_una, tp->iss + (TCP_MAXWIN << tp->snd_scale))) { /* Checking SEG.ACK against ISS is definitely redundant. */ tp->t_flags2 |= TF2_NO_ISS_CHECK; }
