From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= Subject: Re: [PATCH v2 0/2 2.6.29] cxgb3i -- open-iscsi initiator acceleration Date: Mon, 15 Dec 2008 16:05:45 +0200 Message-ID: <20081215140545.GQ15052@edu.joroinen.fi> References: <200812092215.mB9MFMZt015198@localhost.localdomain> Reply-To: open-iscsi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: In-Reply-To: <200812092215.mB9MFMZt015198-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org> Sender: open-iscsi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Post: List-Help: List-Unsubscribe: , To: open-iscsi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Cc: linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, michaelc-hcNo3dDEHLuVc3sceRu5cw@public.gmane.org, James.Bottomley-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org, kxie-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org List-Id: linux-scsi@vger.kernel.org On Tue, Dec 09, 2008 at 02:15:22PM -0800, Karen Xie wrote: > > [PATCH v2 0/2 2.6.29] cxgb3i -- open-iscsi initiator acceleration > > From: Karen Xie > > Here is the updated patchset for adding cxgb3i iscsi initiator. > > The updated version incorporates the comments from Mike and Boaz: > - remove the cxgb3 sysfs entry for the private iscsi ip address, it can be > accessed from iscsi. > - in cxgb3i.txt, added error message logged for not setting MaxRecvDataSegmentLength properly. > - renamed cxgb3i Makefile to Kbuild > - removed "select ISCSI_TCP" in Kconfig > - consistent handling of AHS: on tx, reserve rooms for AHS; on rx, assume we could receive AHS. > - add support of bi-directional commands for ddp setup, > > The cxgb3i driver, especially the part handles the offloaded iscsi tcp connection mangement, has gone through the netdev review (http://marc.info/?l=linux-netdev&m=121944339211552, http://marc.info/?l=linux-netdev&m=121989660016124). > > The cxgb3i driver provides iscsi acceleration (PDU offload and payload data direct placement) to the open-iscsi initiator. It accesses the hardware through the cxgb3 module. > Hello! Do you guys have performance comparison/numbers for normal open-iscsi over tcp vs. cxgb3i accelerated? Would be nice to see throughput/iops/cpu-usage statistics.. -- Pasi