From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id EC9D6A00E6 for ; Tue, 19 Mar 2019 20:01:24 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A3D834C95; Tue, 19 Mar 2019 20:01:23 +0100 (CET) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 7A2C011A4; Tue, 19 Mar 2019 20:01:21 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Mar 2019 12:01:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,245,1549958400"; d="scan'208";a="308575184" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.46]) ([10.237.221.46]) by orsmga005.jf.intel.com with ESMTP; 19 Mar 2019 12:01:18 -0700 To: Rasesh Mody , Shahed Shaikh , "dev@dpdk.org" Cc: "stable@dpdk.org" References: <20190312165114.23740-1-shshaikh@marvell.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.3 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH 1/1] net/qede: fix receive packet drop 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" Message-ID: <20190319190118.pnAgZVxKey46cnJwH3e_9mQMzndOq1cKdCxoVup1Klk@z> On 3/13/2019 5:55 PM, Rasesh Mody wrote: >> From: dev On Behalf Of Shahed Shaikh >> Sent: Tuesday, March 12, 2019 9:51 AM >> >> There is a corner case in which driver won't post receive buffers when driver >> has processed all received packets in single loop (i.e. hw_consumer == >> sw_consumer) and then HW will start dropping packets since it did not see >> new receive buffers posted. >> >> This corner case is seen when size of Rx ring is less than or equals Rx packet >> burst count for dev->rx_pkt_burst(). >> >> Fixes: 8f2312474529 ("net/qede: fix performance bottleneck in Rx path") >> Cc: stable@dpdk.org >> >> Signed-off-by: Shahed Shaikh >> --- > > Acked-by: Rasesh Mody Applied to dpdk-next-net/master, thanks.