Date: Thu, 8 Apr 2021 13:26:25 GMT From: Richard Scheffenegger <rscheff@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 9f2eeb02623d - main - [tcp] Fix ECN on finalizing sessions. Message-ID: <202104081326.138DQPMF065859@gitrepo.freebsd.org>
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The branch main has been updated by rscheff: URL: https://cgit.FreeBSD.org/src/commit/?id=9f2eeb02623d6a847a90da68a5892c25b14ce2d4 commit 9f2eeb02623d6a847a90da68a5892c25b14ce2d4 Author: Richard Scheffenegger <rscheff@FreeBSD.org> AuthorDate: 2021-04-08 12:50:34 +0000 Commit: Richard Scheffenegger <rscheff@FreeBSD.org> CommitDate: 2021-04-08 13:26:09 +0000 [tcp] Fix ECN on finalizing sessions. A subtle oversight would subtly change new data packets sent after a shutdown() or close() call, while the send buffer is still draining. MFC after: 3 days Reviewed By: #transport, tuexen Sponsored by: NetApp, Inc. Differential Revision: https://reviews.freebsd.org/D29616 --- sys/netinet/tcp_output.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c index d4b5a328e2a6..e23cdc749e98 100644 --- a/sys/netinet/tcp_output.c +++ b/sys/netinet/tcp_output.c @@ -1181,7 +1181,7 @@ send: tp->t_flags2 &= ~TF2_ECN_SND_ECE; } - if (tp->t_state == TCPS_ESTABLISHED && + if (TCPS_HAVEESTABLISHED(tp->t_state) && (tp->t_flags2 & TF2_ECN_PERMIT)) { /* * If the peer has ECN, mark data packets with
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