From owner-svn-src-stable@freebsd.org Thu Sep 10 13:44:37 2020 Return-Path: Delivered-To: svn-src-stable@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 028983D792C; Thu, 10 Sep 2020 13:44:37 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BnKr457Jfz42HR; Thu, 10 Sep 2020 13:44:36 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 9264913C9B; Thu, 10 Sep 2020 13:44:36 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 08ADiafu087365; Thu, 10 Sep 2020 13:44:36 GMT (envelope-from tuexen@FreeBSD.org) Received: (from tuexen@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 08ADiaRT087363; Thu, 10 Sep 2020 13:44:36 GMT (envelope-from tuexen@FreeBSD.org) Message-Id: <202009101344.08ADiaRT087363@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: tuexen set sender to tuexen@FreeBSD.org using -f From: Michael Tuexen Date: Thu, 10 Sep 2020 13:44:36 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r365573 - in stable/12/sys/netinet: . tcp_stacks X-SVN-Group: stable-12 X-SVN-Commit-Author: tuexen X-SVN-Commit-Paths: in stable/12/sys/netinet: . tcp_stacks X-SVN-Commit-Revision: 365573 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Sep 2020 13:44:37 -0000 Author: tuexen Date: Thu Sep 10 13:44:35 2020 New Revision: 365573 URL: https://svnweb.freebsd.org/changeset/base/365573 Log: MFC r357114: As a TCP client only enable ECN when the corresponding sysctl variable indicates that ECN should be negotiated for the client side. Modified: stable/12/sys/netinet/tcp_input.c stable/12/sys/netinet/tcp_stacks/rack.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/netinet/tcp_input.c ============================================================================== --- stable/12/sys/netinet/tcp_input.c Thu Sep 10 13:27:53 2020 (r365572) +++ stable/12/sys/netinet/tcp_input.c Thu Sep 10 13:44:35 2020 (r365573) @@ -2044,7 +2044,7 @@ tcp_do_segment(struct mbuf *m, struct tcphdr *th, stru tp->t_flags |= TF_ACKNOW; if (((thflags & (TH_CWR | TH_ECE)) == TH_ECE) && - V_tcp_do_ecn) { + (V_tcp_do_ecn == 1)) { tp->t_flags |= TF_ECN_PERMIT; TCPSTAT_INC(tcps_ecn_shs); } Modified: stable/12/sys/netinet/tcp_stacks/rack.c ============================================================================== --- stable/12/sys/netinet/tcp_stacks/rack.c Thu Sep 10 13:27:53 2020 (r365572) +++ stable/12/sys/netinet/tcp_stacks/rack.c Thu Sep 10 13:44:35 2020 (r365573) @@ -5416,7 +5416,8 @@ rack_do_syn_sent(struct mbuf *m, struct tcphdr *th, st tp->t_flags |= TF_ACKNOW; } - if ((thflags & TH_ECE) && V_tcp_do_ecn) { + if (((thflags & (TH_CWR | TH_ECE)) == TH_ECE) && + (V_tcp_do_ecn == 1)) { tp->t_flags |= TF_ECN_PERMIT; TCPSTAT_INC(tcps_ecn_shs); }