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 937A8A0096 for ; Tue, 9 Apr 2019 17:24:28 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 311764F9A; Tue, 9 Apr 2019 17:24:28 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 864D64F93 for ; Tue, 9 Apr 2019 17:24:26 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Apr 2019 08:24:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,329,1549958400"; d="scan'208";a="335206768" Received: from yexl-server.sh.intel.com ([10.67.110.206]) by fmsmga006.fm.intel.com with ESMTP; 09 Apr 2019 08:24:23 -0700 From: Xiaolong Ye To: dev@dpdk.org, Ferruh Yigit , David Marchand Cc: Qi Zhang , Karlsson Magnus , Topel Bjorn , Xiaolong Ye Date: Tue, 9 Apr 2019 23:19:02 +0800 Message-Id: <20190409151902.14675-1-xiaolong.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190409082128.33896-1-xiaolong.ye@intel.com> References: <20190409082128.33896-1-xiaolong.ye@intel.com> Subject: [dpdk-dev] [PATCH] net/af_xdp: enqueue buf ring when allocate Tx queue fails 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" Content-Type: text/plain; charset="UTF-8" Message-ID: <20190409151902.nfaUOlFq2K4PA-iOhTKWNo4BVC3FvwOSHYujpsxOnN0@z> When it fails to allocate enough slots in Tx queue for transmitting packets, we need to return the dequeued addrs to buf ring. Fixes: f1debd77efaf ("net/af_xdp: introduce AF_XDP PMD") Signed-off-by: Xiaolong Ye --- drivers/net/af_xdp/rte_eth_af_xdp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c index 007a1c6b4..5cc643ce2 100644 --- a/drivers/net/af_xdp/rte_eth_af_xdp.c +++ b/drivers/net/af_xdp/rte_eth_af_xdp.c @@ -276,6 +276,7 @@ eth_af_xdp_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) if (xsk_ring_prod__reserve(&txq->tx, nb_pkts, &idx_tx) != nb_pkts) { kick_tx(txq); + rte_ring_enqueue_bulk(umem->buf_ring, addrs, nb_pkts, NULL); return 0; } -- 2.17.1