From owner-svn-src-all@freebsd.org Thu May 7 03:24:34 2020 Return-Path: Delivered-To: svn-src-all@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 959482EACC4; Thu, 7 May 2020 03:24:34 +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) server-signature RSA-PSS (4096 bits) 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 49Hf2p3V5lz4jqX; Thu, 7 May 2020 03:24:34 +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 73163A4C9; Thu, 7 May 2020 03:24:34 +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 0473OYNH033448; Thu, 7 May 2020 03:24:34 GMT (envelope-from tuexen@FreeBSD.org) Received: (from tuexen@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 0473OYmw033447; Thu, 7 May 2020 03:24:34 GMT (envelope-from tuexen@FreeBSD.org) Message-Id: <202005070324.0473OYmw033447@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: tuexen set sender to tuexen@FreeBSD.org using -f From: Michael Tuexen Date: Thu, 7 May 2020 03:24:34 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r360766 - stable/11/sys/netinet X-SVN-Group: stable-11 X-SVN-Commit-Author: tuexen X-SVN-Commit-Paths: stable/11/sys/netinet X-SVN-Commit-Revision: 360766 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 May 2020 03:24:34 -0000 Author: tuexen Date: Thu May 7 03:24:34 2020 New Revision: 360766 URL: https://svnweb.freebsd.org/changeset/base/360766 Log: MFC r358028: Fix SCTP stream scheduler bug Fix the non-default stream schedulers such that do not interleave user messages when it is now allowed. Thanks to Christian Wright for reporting the issue for the userland stack and providing a fix for the priority scheduler. Modified: stable/11/sys/netinet/sctp_ss_functions.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/netinet/sctp_ss_functions.c ============================================================================== --- stable/11/sys/netinet/sctp_ss_functions.c Thu May 7 03:22:57 2020 (r360765) +++ stable/11/sys/netinet/sctp_ss_functions.c Thu May 7 03:24:34 2020 (r360766) @@ -515,6 +515,9 @@ sctp_ss_prio_select(struct sctp_tcb *stcb SCTP_UNUSED, { struct sctp_stream_out *strq, *strqt, *strqn; + if (asoc->ss_data.locked_on_sending) { + return (asoc->ss_data.locked_on_sending); + } strqt = asoc->ss_data.last_out_stream; prio_again: /* Find the next stream to use */ @@ -692,6 +695,9 @@ sctp_ss_fb_select(struct sctp_tcb *stcb SCTP_UNUSED, s { struct sctp_stream_out *strq = NULL, *strqt; + if (asoc->ss_data.locked_on_sending) { + return (asoc->ss_data.locked_on_sending); + } if (asoc->ss_data.last_out_stream == NULL || TAILQ_FIRST(&asoc->ss_data.out.wheel) == TAILQ_LAST(&asoc->ss_data.out.wheel, sctpwheel_listhead)) { strqt = TAILQ_FIRST(&asoc->ss_data.out.wheel); @@ -898,6 +904,9 @@ sctp_ss_fcfs_select(struct sctp_tcb *stcb SCTP_UNUSED, struct sctp_stream_out *strq; struct sctp_stream_queue_pending *sp; + if (asoc->ss_data.locked_on_sending) { + return (asoc->ss_data.locked_on_sending); + } sp = TAILQ_FIRST(&asoc->ss_data.out.list); default_again: if (sp != NULL) {