From owner-svn-src-stable@freebsd.org Thu Aug 11 19:05:49 2016 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id ADE4EBB6F17; Thu, 11 Aug 2016 19:05:49 +0000 (UTC) (envelope-from gallatin@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 mx1.freebsd.org (Postfix) with ESMTPS id 6D5AB1994; Thu, 11 Aug 2016 19:05:49 +0000 (UTC) (envelope-from gallatin@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u7BJ5lrm038662; Thu, 11 Aug 2016 19:05:47 GMT (envelope-from gallatin@FreeBSD.org) Received: (from gallatin@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u7BJ5ltM038661; Thu, 11 Aug 2016 19:05:47 GMT (envelope-from gallatin@FreeBSD.org) Message-Id: <201608111905.u7BJ5ltM038661@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: gallatin set sender to gallatin@FreeBSD.org using -f From: Andrew Gallatin Date: Thu, 11 Aug 2016 19:05:47 +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: r303966 - stable/11/sys/netinet X-SVN-Group: stable-11 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: 2.1.22 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, 11 Aug 2016 19:05:49 -0000 Author: gallatin Date: Thu Aug 11 19:05:47 2016 New Revision: 303966 URL: https://svnweb.freebsd.org/changeset/base/303966 Log: MFC r303457: Call tcp_notify() directly to shoot down routes Approved by: re (gjb) Modified: stable/11/sys/netinet/tcp_subr.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/netinet/tcp_subr.c ============================================================================== --- stable/11/sys/netinet/tcp_subr.c Thu Aug 11 18:13:48 2016 (r303965) +++ stable/11/sys/netinet/tcp_subr.c Thu Aug 11 19:05:47 2016 (r303966) @@ -1950,11 +1950,7 @@ tcp_ctlinput(int cmd, struct sockaddr *s else if (V_icmp_may_rst && (cmd == PRC_UNREACH_ADMIN_PROHIB || cmd == PRC_UNREACH_PORT || cmd == PRC_TIMXCEED_INTRANS) && ip) notify = tcp_drop_syn_sent; - else if (PRC_IS_REDIRECT(cmd)) { - /* signal EHOSTDOWN, as it flushes the cached route */ - in_pcbnotifyall(&V_tcbinfo, faddr, EHOSTDOWN, notify); - return; - } + /* * Hostdead is ugly because it goes linearly through all PCBs. * XXX: We never get this from ICMP, otherwise it makes an @@ -1975,7 +1971,12 @@ tcp_ctlinput(int cmd, struct sockaddr *s INP_INFO_RLOCK(&V_tcbinfo); inp = in_pcblookup(&V_tcbinfo, faddr, th->th_dport, ip->ip_src, th->th_sport, INPLOOKUP_WLOCKPCB, NULL); - if (inp != NULL) { + if (inp != NULL && PRC_IS_REDIRECT(cmd)) { + /* signal EHOSTDOWN, as it flushes the cached route */ + inp = (*notify)(inp, EHOSTDOWN); + if (inp != NULL) + INP_WUNLOCK(inp); + } else if (inp != NULL) { if (!(inp->inp_flags & INP_TIMEWAIT) && !(inp->inp_flags & INP_DROPPED) && !(inp->inp_socket == NULL)) {