Date: Sat, 25 Jan 2020 13:34:29 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r357115 - in head/sys/netinet: . tcp_stacks Message-ID: <202001251334.00PDYTsQ094343@repo.freebsd.org>
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Author: tuexen Date: Sat Jan 25 13:34:29 2020 New Revision: 357115 URL: https://svnweb.freebsd.org/changeset/base/357115 Log: Don't set the ECT codepoint on retransmitted packets during SACK loss recovery. This is required by RFC 3168. Submitted by: Richard Scheffenegger Reviewed by: rgrimes@, tuexen@, Cheng Cui MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D23118 Modified: head/sys/netinet/tcp_output.c head/sys/netinet/tcp_stacks/rack.c Modified: head/sys/netinet/tcp_output.c ============================================================================== --- head/sys/netinet/tcp_output.c Sat Jan 25 13:11:14 2020 (r357114) +++ head/sys/netinet/tcp_output.c Sat Jan 25 13:34:29 2020 (r357115) @@ -1162,6 +1162,7 @@ send: * Ignore pure ack packets, retransmissions and window probes. */ if (len > 0 && SEQ_GEQ(tp->snd_nxt, tp->snd_max) && + (sack_rxmit == 0) && !((tp->t_flags & TF_FORCEDATA) && len == 1)) { #ifdef INET6 if (isipv6) Modified: head/sys/netinet/tcp_stacks/rack.c ============================================================================== --- head/sys/netinet/tcp_stacks/rack.c Sat Jan 25 13:11:14 2020 (r357114) +++ head/sys/netinet/tcp_stacks/rack.c Sat Jan 25 13:34:29 2020 (r357115) @@ -9477,6 +9477,7 @@ send: * retransmissions and window probes. */ if (len > 0 && SEQ_GEQ(tp->snd_nxt, tp->snd_max) && + (sack_rxmit == 0) && !((tp->t_flags & TF_FORCEDATA) && len == 1)) { #ifdef INET6 if (isipv6)
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