Date: Thu, 23 Jul 2026 16:07:26 +0000 From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: fa2ad70a4511 - main - tcp: make ghost ACK handling more conformant Message-ID: <6a623c3e.39fbe.511f46ed@gitrepo.freebsd.org>
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The branch main has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=fa2ad70a4511e7b379e81de82c9e51b2e0994295 commit fa2ad70a4511e7b379e81de82c9e51b2e0994295 Author: Michael Tuexen <tuexen@FreeBSD.org> AuthorDate: 2026-07-23 16:03:39 +0000 Commit: Michael Tuexen <tuexen@FreeBSD.org> 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; }home | help
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