From owner-svn-src-all@FreeBSD.ORG Sun Oct 28 17:59:47 2012 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7379CC27; Sun, 28 Oct 2012 17:59:47 +0000 (UTC) (envelope-from andre@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 4FAEB8FC16; Sun, 28 Oct 2012 17:59:47 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q9SHxlOq068102; Sun, 28 Oct 2012 17:59:47 GMT (envelope-from andre@svn.freebsd.org) Received: (from andre@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q9SHxlC5068100; Sun, 28 Oct 2012 17:59:47 GMT (envelope-from andre@svn.freebsd.org) Message-Id: <201210281759.q9SHxlC5068100@svn.freebsd.org> From: Andre Oppermann Date: Sun, 28 Oct 2012 17:59:47 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r242253 - 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-all@freebsd.org X-Mailman-Version: 2.1.14 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: Sun, 28 Oct 2012 17:59:47 -0000 Author: andre Date: Sun Oct 28 17:59:46 2012 New Revision: 242253 URL: http://svn.freebsd.org/changeset/base/242253 Log: Simplify implementation of net.inet.tcp.reass.maxsegments and net.inet.tcp.reass.cursegments. MFC after: 2 weeks Modified: head/sys/netinet/tcp_reass.c Modified: head/sys/netinet/tcp_reass.c ============================================================================== --- head/sys/netinet/tcp_reass.c Sun Oct 28 17:40:35 2012 (r242252) +++ head/sys/netinet/tcp_reass.c Sun Oct 28 17:59:46 2012 (r242253) @@ -74,7 +74,6 @@ __FBSDID("$FreeBSD$"); #include #endif /* TCPDEBUG */ -static int tcp_reass_sysctl_maxseg(SYSCTL_HANDLER_ARGS); static int tcp_reass_sysctl_qsize(SYSCTL_HANDLER_ARGS); static SYSCTL_NODE(_net_inet_tcp, OID_AUTO, reass, CTLFLAG_RW, 0, @@ -82,16 +81,12 @@ static SYSCTL_NODE(_net_inet_tcp, OID_AU static VNET_DEFINE(int, tcp_reass_maxseg) = 0; #define V_tcp_reass_maxseg VNET(tcp_reass_maxseg) -SYSCTL_VNET_PROC(_net_inet_tcp_reass, OID_AUTO, maxsegments, - CTLTYPE_INT | CTLFLAG_RDTUN, - &VNET_NAME(tcp_reass_maxseg), 0, &tcp_reass_sysctl_maxseg, "I", +SYSCTL_VNET_INT(_net_inet_tcp_reass, OID_AUTO, maxsegments, CTLFLAG_RDTUN, + &VNET_NAME(tcp_reass_maxseg), 0, "Global maximum number of TCP Segments in Reassembly Queue"); -static VNET_DEFINE(int, tcp_reass_qsize) = 0; -#define V_tcp_reass_qsize VNET(tcp_reass_qsize) SYSCTL_VNET_PROC(_net_inet_tcp_reass, OID_AUTO, cursegments, - CTLTYPE_INT | CTLFLAG_RD, - &VNET_NAME(tcp_reass_qsize), 0, &tcp_reass_sysctl_qsize, "I", + (CTLTYPE_INT | CTLFLAG_RD), NULL, 0, &tcp_reass_sysctl_qsize, "I", "Global number of TCP Segments currently in Reassembly Queue"); static VNET_DEFINE(int, tcp_reass_overflows) = 0; @@ -109,8 +104,10 @@ static void tcp_reass_zone_change(void *tag) { + /* Set the zone limit and read back the effective value. */ V_tcp_reass_maxseg = nmbclusters / 16; uma_zone_set_max(V_tcp_reass_zone, V_tcp_reass_maxseg); + V_tcp_reass_maxseg = uma_zone_get_max(V_tcp_reass_zone); } void @@ -122,7 +119,9 @@ tcp_reass_init(void) &V_tcp_reass_maxseg); V_tcp_reass_zone = uma_zcreate("tcpreass", sizeof (struct tseg_qent), NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_NOFREE); + /* Set the zone limit and read back the effective value. */ uma_zone_set_max(V_tcp_reass_zone, V_tcp_reass_maxseg); + V_tcp_reass_maxseg = uma_zone_get_max(V_tcp_reass_zone); EVENTHANDLER_REGISTER(nmbclusters_change, tcp_reass_zone_change, NULL, EVENTHANDLER_PRI_ANY); } @@ -156,17 +155,12 @@ tcp_reass_flush(struct tcpcb *tp) } static int -tcp_reass_sysctl_maxseg(SYSCTL_HANDLER_ARGS) -{ - V_tcp_reass_maxseg = uma_zone_get_max(V_tcp_reass_zone); - return (sysctl_handle_int(oidp, arg1, arg2, req)); -} - -static int tcp_reass_sysctl_qsize(SYSCTL_HANDLER_ARGS) { - V_tcp_reass_qsize = uma_zone_get_cur(V_tcp_reass_zone); - return (sysctl_handle_int(oidp, arg1, arg2, req)); + int qsize; + + qsize = uma_zone_get_cur(V_tcp_reass_zone); + return (sysctl_handle_int(oidp, &qsize, sizeof(qsize), req)); } int