From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next V2 0/8] mlx5e XDP support Date: Thu, 22 Sep 2016 02:55:37 -0400 (EDT) Message-ID: <20160922.025537.1612668257047147207.davem@davemloft.net> References: <1474449589-27035-1-git-send-email-tariqt@mellanox.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, eranbe@mellanox.com, ranas@mellanox.com, saeedm@mellanox.com To: tariqt@mellanox.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:55596 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754184AbcIVGzk (ORCPT ); Thu, 22 Sep 2016 02:55:40 -0400 In-Reply-To: <1474449589-27035-1-git-send-email-tariqt@mellanox.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Tariq Toukan Date: Wed, 21 Sep 2016 12:19:41 +0300 > This series adds XDP support in mlx5e driver. > This includes the use cases: XDP_DROP, XDP_PASS, and XDP_TX. > > Single stream performance tests show 16.5 Mpps for XDP_DROP, > and 12.4 Mpps for XDP_TX, with nice scalability for multiple streams/rings. > > This rate of XDP_DROP is lower than the 32 Mpps we got in previous > implementation, when Striding RQ was used. > > We moved to non-Striding RQ, as some XDP_TX requirements (like headroom, > packet-per-page) cannot be satisfied with the current Striding RQ HW, > and we decided to fully support both DROP/TX. > > Few directions are considered in order to enable the faster rate for XDP_DROP, > e.g a possibility for users to enable Striding RQ so they choose optimized > XDP_DROP on the price of partial XDP_TX functionality, or some HW changes. > > Series generated against net-next commit: > cf714ac147e0 'ipvlan: Fix dependency issue' Series applied, thanks.