From owner-cvs-all@FreeBSD.ORG Thu Nov 20 13:49:32 2003 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0766616A4D0 for ; Thu, 20 Nov 2003 13:49:32 -0800 (PST) Received: from mailtoaster1.pipeline.ch (mailtoaster1.pipeline.ch [62.48.0.70]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7217E43FDF for ; Thu, 20 Nov 2003 13:49:29 -0800 (PST) (envelope-from andre@freebsd.org) Received: (qmail 69829 invoked from network); 20 Nov 2003 21:52:32 -0000 Received: from unknown (HELO freebsd.org) ([62.48.0.53]) (envelope-sender ) by mailtoaster1.pipeline.ch (qmail-ldap-1.03) with SMTP for ; 20 Nov 2003 21:52:32 -0000 Message-ID: <3FBD36E8.A5ADB8C8@freebsd.org> Date: Thu, 20 Nov 2003 22:49:28 +0100 From: Andre Oppermann X-Mailer: Mozilla 4.76 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org References: <200311202147.hAKLlKmZ005242@repoman.freebsd.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: cvs commit: src/sys/netinet6 raw_ip6.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Nov 2003 21:49:32 -0000 Andre Oppermann wrote: > > andre 2003/11/20 13:47:20 PST > > FreeBSD src repository > > Modified files: > sys/netinet6 raw_ip6.c > Log: > Introduce tcp_hostcache and remove the tcp specific metrics from > the routing table. Move all usage and references in the tcp stack > from the routing table metrics to the tcp hostcache. > > It caches measured parameters of past tcp sessions to provide better > initial start values for following connections from or to the same > source or destination. Depending on the network parameters to/from > the remote host this can lead to significant speedups for new tcp > connections after the first one because they inherit and shortcut > the learning curve. > > tcp_hostcache is designed for multiple concurrent access in SMP > environments with high contention and is hash indexed by remote > ip address. > > It removes significant locking requirements from the tcp stack with > regard to the routing table. > > Reviewed by: sam (mentor), bms > Reviewed by: -net, -current, core@kame.net (IPv6 parts) > Approved by: re (scottl) > > Revision Changes Path > 1.35 +3 -6 src/sys/netinet6/raw_ip6.c This fixes IPv6 build of kernel. I forgot to add this file to the previous commit. I'm sorry for any inconvinence this may have caused. Pointy hat to me. -- Andre