From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve Wise Subject: Re: [PATCH for-next 6/9] IB/core: Add receive Flow Steering support Date: Mon, 29 Apr 2013 14:16:55 -0500 Message-ID: <517EC727.7070204@opengridcomputing.com> References: <1366811932-28199-1-git-send-email-ogerlitz@mellanox.com> <1366811932-28199-7-git-send-email-ogerlitz@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Or Gerlitz Cc: Sean Hefty , Christoph Lameter , Roland Dreier , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, hadarh-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, amirv-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, Alex Rosenbaum , Rony Efraim , Tzahi Oved List-Id: linux-rdma@vger.kernel.org On 4/29/2013 2:02 PM, Or Gerlitz wrote: > On Wed, Apr 24, 2013 at 4:58 PM, Or Gerlitz wrote: >> The RDMA stack allows for applications to create IB_QPT_RAW_PACKET QPs, >> for which plain Ethernet packets are used, specifically packets which >> don't carry any QPN to be matched by the receiving side. >> >> Applications using these QPs must be provided with a method to >> program some steering rule with the HW so packets arriving at >> the local port can be routed to them. > Any feedback? we've added RAW PACKET QPs support back on 3.5 or 3.6 > but without RX flow steering APIs applications can only send packets, > but not receive them, which is a bit of a problem for production... so > here's a concrete && working suggestion, waiting to be reviewed and > hopefully accepted. > > Or. Hey Or, This looks good at first glance. I must confess I cannot tell yet if this will provide everything we need for chelsio's RAW packet requirements. But I think we should move forward on this, and enhance as needed. Steve. -- 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