From owner-svn-src-head@FreeBSD.ORG Tue Oct 15 20:21:28 2013 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 92515578; Tue, 15 Oct 2013 20:21:28 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 657982596; Tue, 15 Oct 2013 20:21:28 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id r9FKLSpR078854; Tue, 15 Oct 2013 20:21:28 GMT (envelope-from tuexen@svn.freebsd.org) Received: (from tuexen@localhost) by svn.freebsd.org (8.14.7/8.14.5/Submit) id r9FKLSNC078852; Tue, 15 Oct 2013 20:21:28 GMT (envelope-from tuexen@svn.freebsd.org) Message-Id: <201310152021.r9FKLSNC078852@svn.freebsd.org> From: Michael Tuexen Date: Tue, 15 Oct 2013 20:21:28 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r256556 - head/sys/netinet X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Oct 2013 20:21:28 -0000 Author: tuexen Date: Tue Oct 15 20:21:27 2013 New Revision: 256556 URL: http://svnweb.freebsd.org/changeset/base/256556 Log: Remove a buggy comparision when setting manually the path MTU. After fixing, the comparision would have become redundant. Thanks to Andrew Galante for reporting the issue. MFC after: 3 days Modified: head/sys/netinet/sctp_constants.h head/sys/netinet/sctp_usrreq.c Modified: head/sys/netinet/sctp_constants.h ============================================================================== --- head/sys/netinet/sctp_constants.h Tue Oct 15 18:59:32 2013 (r256555) +++ head/sys/netinet/sctp_constants.h Tue Oct 15 20:21:27 2013 (r256556) @@ -726,7 +726,6 @@ __FBSDID("$FreeBSD$"); /* small chunk store for looking at chunk_list in auth */ #define SCTP_SMALL_CHUNK_STORE 260 -#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ #define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ #define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ Modified: head/sys/netinet/sctp_usrreq.c ============================================================================== --- head/sys/netinet/sctp_usrreq.c Tue Oct 15 18:59:32 2013 (r256555) +++ head/sys/netinet/sctp_usrreq.c Tue Oct 15 20:21:27 2013 (r256556) @@ -4796,11 +4796,9 @@ sctp_setopt(struct socket *so, int optna SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); } net->dest_state |= SCTP_ADDR_NO_PMTUD; - if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { - net->mtu = paddrp->spp_pathmtu + ovh; - if (net->mtu < stcb->asoc.smallest_mtu) { - sctp_pathmtu_adjustment(stcb, net->mtu); - } + net->mtu = paddrp->spp_pathmtu + ovh; + if (net->mtu < stcb->asoc.smallest_mtu) { + sctp_pathmtu_adjustment(stcb, net->mtu); } } if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { @@ -4920,11 +4918,9 @@ sctp_setopt(struct socket *so, int optna SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); } net->dest_state |= SCTP_ADDR_NO_PMTUD; - if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { - net->mtu = paddrp->spp_pathmtu + ovh; - if (net->mtu < stcb->asoc.smallest_mtu) { - sctp_pathmtu_adjustment(stcb, net->mtu); - } + net->mtu = paddrp->spp_pathmtu + ovh; + if (net->mtu < stcb->asoc.smallest_mtu) { + sctp_pathmtu_adjustment(stcb, net->mtu); } } sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);