Date: Mon, 8 Mar 2021 13:21:27 GMT From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: fb6ac317c065 - releng/13.0 - rack: unbreak TCP fast open for the client side Message-ID: <202103081321.128DLRMe010727@gitrepo.freebsd.org>
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The branch releng/13.0 has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=fb6ac317c065a3d760927cbbc1f12e604b44391f commit fb6ac317c065a3d760927cbbc1f12e604b44391f Author: Michael Tuexen <tuexen@FreeBSD.org> AuthorDate: 2021-03-05 14:57:26 +0000 Commit: Michael Tuexen <tuexen@FreeBSD.org> CommitDate: 2021-03-08 12:46:26 +0000 rack: unbreak TCP fast open for the client side Allow sending user data on the SYN segment. Reviewed by: rrs Approved by: re (gjb) Differential Revision: https://reviews.freebsd.org/D29082 Sponsored by: Netflix, Inc. (cherry picked from commit 705d06b289e9821439b7b694d766cad75bc064e5) (cherry picked from commit 873f8376015c12febec3619976a8c30fbead4ad6) --- sys/netinet/tcp_stacks/rack.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/netinet/tcp_stacks/rack.c b/sys/netinet/tcp_stacks/rack.c index 4d1a4cc8a0eb..104468bee53b 100644 --- a/sys/netinet/tcp_stacks/rack.c +++ b/sys/netinet/tcp_stacks/rack.c @@ -12297,7 +12297,8 @@ again: * If sack_rxmit is true we are retransmitting from the scoreboard * in which case len is already set. */ - if ((sack_rxmit == 0) && TCPS_HAVEESTABLISHED(tp->t_state)) { + if ((sack_rxmit == 0) && + (TCPS_HAVEESTABLISHED(tp->t_state) || IS_FASTOPEN(tp->t_flags))) { uint32_t avail; avail = sbavail(sb);
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