From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id E9BD3A0525; Thu, 20 Feb 2020 22:18:36 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C9A5058C4; Thu, 20 Feb 2020 22:18:36 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 0DF384C81 for ; Thu, 20 Feb 2020 22:18:35 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from viacheslavo@mellanox.com) with ESMTPS (AES256-SHA encrypted); 20 Feb 2020 23:18:35 +0200 Received: from pegasus11.mtr.labs.mlnx (pegasus11.mtr.labs.mlnx [10.210.16.104]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 01KLIZoR030319; Thu, 20 Feb 2020 23:18:35 +0200 Received: from pegasus11.mtr.labs.mlnx (localhost [127.0.0.1]) by pegasus11.mtr.labs.mlnx (8.14.7/8.14.7) with ESMTP id 01KLIZxu003412; Thu, 20 Feb 2020 21:18:35 GMT Received: (from viacheslavo@localhost) by pegasus11.mtr.labs.mlnx (8.14.7/8.14.7/Submit) id 01KLIZfI003411; Thu, 20 Feb 2020 21:18:35 GMT X-Authentication-Warning: pegasus11.mtr.labs.mlnx: viacheslavo set sender to viacheslavo@mellanox.com using -f From: Viacheslav Ovsiienko To: dev@dpdk.org Cc: matan@mellanox.com, rasland@mellanox.com, thomas@monjalon.net, ferruh.yigit@intel.com Date: Thu, 20 Feb 2020 21:18:33 +0000 Message-Id: <1582233513-3372-1-git-send-email-viacheslavo@mellanox.com> X-Mailer: git-send-email 1.8.3.1 Subject: [dpdk-dev] [PATCH] net/mlx5: fix inline packet size for ConnectX-4LX X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch does extra inline packet size check to tune the ConnectX-4LX performance in the legacy Multi-Packet Write mode. Signed-off-by: Viacheslav Ovsiienko --- drivers/net/mlx5/mlx5_rxtx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c index b55db4f..0df811b 100644 --- a/drivers/net/mlx5/mlx5_rxtx.c +++ b/drivers/net/mlx5/mlx5_rxtx.c @@ -4281,6 +4281,8 @@ enum mlx5_txcmp_code { loc->mbuf->ol_flags & PKT_TX_DYNF_NOINLINE) goto pointer_empw; if (MLX5_TXOFF_CONFIG(MPW)) { + if (dlen > txq->inlen_send) + goto pointer_empw; tlen = dlen; if (part == room) { /* Open new inline MPW session. */ -- 1.8.3.1