From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: Re: AW: AW: AW: IPoIB GRO Date: Tue, 5 Nov 2013 10:49:18 +0200 Message-ID: <5278B10E.6010903@mellanox.com> References: <12EF8D94C6F8734FB2FF37B9FBEDD173585A3E3B@EXCHANGE.collogia.de>,<527759C6.3070009@dev.mellanox.co.il> <12EF8D94C6F8734FB2FF37B9FBEDD173585A4301@EXCHANGE.collogia.de>,<52779612.9020103@dev.mellanox.co.il> <12EF8D94C6F8734FB2FF37B9FBEDD173585A45CF@EXCHANGE.collogia.de>,<5278A757.2070406@mellanox.com> <12EF8D94C6F8734FB2FF37B9FBEDD173585A4B3D@EXCHANGE.collogia.de> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <12EF8D94C6F8734FB2FF37B9FBEDD173585A4B3D-Xnr6BND5kcg29+KCeZIpYi5l6jQMEky5@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Markus Stockhausen , Erez Shitrit Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Wendy Cheng List-Id: linux-rdma@vger.kernel.org On 05/11/2013 10:25, Markus Stockhausen wrote: > Are the TCP Ids in an TSO setup generated through firmware or in the software stack? in HW > And if in firmware: How does the card know how to increase them? I would expect that it only works with IB packets > and does not know of the IP encapsulation. All vendors networking HW which does TSO gets a hint from the driver this is TSO packet, in your case see mlx4_ib_post_send and look for IB_WR_LSO -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html