From owner-cvs-src-old@FreeBSD.ORG Wed Nov 26 06:37:10 2008 Return-Path: Delivered-To: cvs-src-old@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D040E1065700 for ; Wed, 26 Nov 2008 06:37:10 +0000 (UTC) (envelope-from yongari@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [IPv6:2001:4f8:fff6::29]) by mx1.freebsd.org (Postfix) with ESMTP id BB0248FC13 for ; Wed, 26 Nov 2008 06:37:10 +0000 (UTC) (envelope-from yongari@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id mAQ6bAKm012203 for ; Wed, 26 Nov 2008 06:37:10 GMT (envelope-from yongari@repoman.freebsd.org) Received: (from svn2cvs@localhost) by repoman.freebsd.org (8.14.3/8.14.3/Submit) id mAQ6bAMY012202 for cvs-src-old@freebsd.org; Wed, 26 Nov 2008 06:37:10 GMT (envelope-from yongari@repoman.freebsd.org) Message-Id: <200811260637.mAQ6bAMY012202@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: svn2cvs set sender to yongari@repoman.freebsd.org using -f From: Pyun YongHyeon Date: Wed, 26 Nov 2008 06:36:53 +0000 (UTC) To: cvs-src-old@freebsd.org X-FreeBSD-CVS-Branch: HEAD Subject: cvs commit: src/sys/dev/fxp if_fxp.c if_fxpvar.h X-BeenThere: cvs-src-old@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: **OBSOLETE** CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Nov 2008 06:37:10 -0000 yongari 2008-11-26 06:36:53 UTC FreeBSD src repository Modified files: sys/dev/fxp if_fxp.c if_fxpvar.h Log: SVN rev 185329 on 2008-11-26 06:36:53Z by yongari Implement Rx checksum offload for 82559 or later controllers. 82559 or later controllers added simple checksum calculation logic in RU. For backward compatibility the computed checksum is appended at the end of the data posted to Rx buffer. This type of simple checksum calculation support had been used on several vendors such as Sun HME/GEM, SysKonnect GENESIS and Marvell Yukon controllers. Because this type of checksum offload support requires parsing of received frame and pseudo checksum calculation with software routine it still consumes more CPU cycles than that of full-fledged checksum offload controller. But it's still better than software checksum calculation. Revision Changes Path 1.276 +109 -28 src/sys/dev/fxp/if_fxp.c 1.43 +1 -0 src/sys/dev/fxp/if_fxpvar.h