From owner-cvs-src-old@FreeBSD.ORG Tue Jun 2 17:56:15 2009 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 EE3F61065672 for ; Tue, 2 Jun 2009 17:56:15 +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 DB57C8FC18 for ; Tue, 2 Jun 2009 17:56:15 +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 n52HuFGF081799 for ; Tue, 2 Jun 2009 17:56:15 GMT (envelope-from yongari@repoman.freebsd.org) Received: (from svn2cvs@localhost) by repoman.freebsd.org (8.14.3/8.14.3/Submit) id n52HuF0m081798 for cvs-src-old@freebsd.org; Tue, 2 Jun 2009 17:56:15 GMT (envelope-from yongari@repoman.freebsd.org) Message-Id: <200906021756.n52HuF0m081798@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: svn2cvs set sender to yongari@repoman.freebsd.org using -f From: Pyun YongHyeon Date: Tue, 2 Jun 2009 04:00:17 +0000 (UTC) To: cvs-src-old@freebsd.org X-FreeBSD-CVS-Branch: HEAD Subject: cvs commit: src/sys/dev/msk if_msk.c if_mskreg.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: Tue, 02 Jun 2009 17:56:16 -0000 yongari 2009-06-02 04:00:17 UTC FreeBSD src repository Modified files: sys/dev/msk if_msk.c if_mskreg.h Log: SVN rev 193293 on 2009-06-02 04:00:17Z by yongari Add preliminary Yukon Extreme support and register definitions. Yukon Extreme uses new descriptor format for TSO and has Tx frame parser which greatly reduces CPU cycles spent in computing TCP/UDP payload offset calculation in Tx checksum offloading path. The new descriptor format also removed TCP/UDP payload computation for TSO which in turn results in better TSO performance. It seems Yukon Extreme has a lot of new (unknown) features but only basic offloading is supported at this time. So far there are two known issues. o Sometimes Rx overrun errors happen when pulling data over gigabit link. Running over 100Mbps seem to ok. o Ethernet hardware address shows all-zeroed value on 88E8070. Assigning ethernet address with ifconfig is necessary to make it work. Support for Yukon Extreme is not perfect but it would be better than having a non-working device. Special thanks to jbh who fixed several bugs of initial patch. Tested by: jhb, Warren Block ( wblock <> wonkity dot com ) Revision Changes Path 1.60 +89 -27 src/sys/dev/msk/if_msk.c 1.24 +109 -7 src/sys/dev/msk/if_mskreg.h