From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id BC140DE0 for ; Tue, 8 Mar 2016 15:43:26 +0100 (CET) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP; 08 Mar 2016 06:43:25 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,556,1449561600"; d="scan'208";a="904985586" Received: from ipdaly-mobl3.ger.corp.intel.com ([10.252.0.87]) by orsmga001.jf.intel.com with SMTP; 08 Mar 2016 06:43:24 -0800 Received: by (sSMTP sendmail emulation); Tue, 08 Mar 2016 14:43:22 +0025 Date: Tue, 8 Mar 2016 14:43:22 +0000 From: Bruce Richardson To: John Daley Message-ID: <20160308144322.GG8716@bricha3-MOBL3> References: <1456106650-26727-1-git-send-email-johndale@cisco.com> <1457125740-13233-1-git-send-email-johndale@cisco.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1457125740-13233-1-git-send-email-johndale@cisco.com> Organization: Intel Shannon Ltd. User-Agent: Mutt/1.5.23 (2014-03-12) Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH v6] enic: receive path performance improvements X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Mar 2016 14:43:27 -0000 On Fri, Mar 04, 2016 at 01:09:00PM -0800, John Daley wrote: > This is a wholesale replacement of the Enic PMD receive path in order > to improve performance and code clarity. The changes are: > - Simplify and reduce code path length of receive function. > - Put most of the fast-path receive funtions in one file. > - Reduce the number of posted_index updates (pay attention to rx_free_thresh) > - Remove the unneeded container structure around the RQ mbuf ring > - Prefetch next Mbuf and descriptors while processing the current one > - Use a lookup table for converting CQ flags to mbuf flags. > > Signed-off-by: John Daley > --- Applied to dpdk-next-net/rel_16_04 /Bruce