From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) by dpdk.org (Postfix) with ESMTP id 1F2B4237 for ; Tue, 21 Nov 2017 14:21:44 +0100 (CET) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id B053520C91; Tue, 21 Nov 2017 08:21:43 -0500 (EST) Received: from frontend2 ([10.202.2.161]) by compute1.internal (MEProxy); Tue, 21 Nov 2017 08:21:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fridaylinux.org; h=cc:date:from:in-reply-to:message-id:references:subject:to :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=Olc5N5Z9oNED51XbZ JWGZ8V7ZHNb72R0wQxPaY7cG44=; b=AfBXX24eikFv41f5stLt/1rXQRFRxzD46 pRTIbPM8qfkxEpS/jPR2yS058ziYuK6sbwEQ/l/srtsBM+snwzq+cXC3fAzlfSls VfukZKAlx60wL6BW8RbR6ehb3dLlvp0cJ+5YadJUqD2FhnKKoXI2xGLCwri7UI6i LQ90w744xHdRn4OjCmRTEDNt2CLTwcqaBdYiHB0mzk7LvnXO5WkY4r/45E3oHwEC 6NJQHTMCr48CFiP2zYe5NetZtEEGm65r9XDL5eDZ/0RO4Ab+W5LgqeN+dMVXrQ2p Fafv8aEnPSPtL8D6s7lNiPIi5Ls/QTVwXJpZkzaLqCUD/ArSdnG5Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:date:from:in-reply-to:message-id :references:subject:to:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; bh=Olc5N5Z9oNED51XbZJWGZ8V7ZHNb72R0wQxPaY7cG44=; b=ffOpQ1Hh fzWrG7ldgpdBe5v2dd4Hqr3pTRG9qJHr37uXb+0sPL9OZp0kxUnknyWjuhw2RyAZ Tgu4Vw17HWqf/yQUEmNhVCpCBimqxsU0TAFEYutsSRXmC0XWIQ4C5VJTuIeWYXu2 JHCoaG/YMSCT0oS36SQVZUKHg7xX8t93/o0oXw9m+f4DDFRYdDMTTvgg93aWDKRQ ZZZ8Ln5ME0YmH53ZKvWkEkRaBazTfgI+LkbqyQ40QerrdIVa/emaMEJxXzNClu/K lZcBC7ya5ruRg3dae30dmYnxqDN53LbUD5JkIFccWvYndVWuvfVOex3WXxxQtNuV NzLUrl4Ua5gdmQ== X-ME-Sender: Received: from localhost.localdomain (unknown [180.158.62.0]) by mail.messagingengine.com (Postfix) with ESMTPA id 2ACDE24631; Tue, 21 Nov 2017 08:21:39 -0500 (EST) From: Yuanhan Liu To: Shahaf Shuler Cc: Yongseok Koh , Nelio Laranjeiro , dpdk stable Date: Tue, 21 Nov 2017 21:16:18 +0800 Message-Id: <1511270333-31002-36-git-send-email-yliu@fridaylinux.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1511270333-31002-1-git-send-email-yliu@fridaylinux.org> References: <1511270333-31002-1-git-send-email-yliu@fridaylinux.org> Subject: [dpdk-stable] patch 'net/mlx5: fix num seg assumption in SSE Tx' has been queued to stable release 17.08.1 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Nov 2017 13:21:44 -0000 Hi, FYI, your patch has been queued to stable release 17.08.1 Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet. It will be pushed if I get no objections before 11/24/17. So please shout if anyone has objections. Thanks. --yliu --- >>From 100ce89af93111f15e0b8eb2066dc8b789f7968a Mon Sep 17 00:00:00 2001 From: Shahaf Shuler Date: Thu, 14 Sep 2017 13:50:36 +0300 Subject: [PATCH] net/mlx5: fix num seg assumption in SSE Tx [ upstream commit f2fdd44cc1a162d9f6c3c866f0eaca71670bb953 ] vPMD Tx function assumes that after the scatter of the multi-segment packets the next packet will be a single segment packet. This is not current as the function can return due to lack of resources without sending all of the multi-segment mbufs sequence. Fixes: 6cb559d67b83 ("net/mlx5: add vectorized Rx/Tx burst for x86") Signed-off-by: Shahaf Shuler Acked-by: Yongseok Koh Acked-by: Nelio Laranjeiro --- drivers/net/mlx5/mlx5_rxtx_vec_sse.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/mlx5/mlx5_rxtx_vec_sse.c b/drivers/net/mlx5/mlx5_rxtx_vec_sse.c index 8560f74..6f4e1e8 100644 --- a/drivers/net/mlx5/mlx5_rxtx_vec_sse.c +++ b/drivers/net/mlx5/mlx5_rxtx_vec_sse.c @@ -119,8 +119,7 @@ txq_wr_dseg_v(struct txq *txq, __m128i *dseg, } /** - * Count the number of continuous single segment packets. The first packet must - * be a single segment packet. + * Count the number of continuous single segment packets. * * @param pkts * Pointer to array of packets. @@ -137,9 +136,8 @@ txq_check_multiseg(struct rte_mbuf **pkts, uint16_t pkts_n) if (!pkts_n) return 0; - assert(NB_SEGS(pkts[0]) == 1); /* Count the number of continuous single segment packets. */ - for (pos = 1; pos < pkts_n; ++pos) + for (pos = 0; pos < pkts_n; ++pos) if (NB_SEGS(pkts[pos]) > 1) break; return pos; -- 2.7.4