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 39893A00E6 for ; Wed, 17 Apr 2019 11:02:51 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 9B83D1B5DA; Wed, 17 Apr 2019 11:02:45 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 860961B5CA for ; Wed, 17 Apr 2019 11:02:42 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Apr 2019 02:02:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,361,1549958400"; d="scan'208";a="165467586" Received: from yexl-server.sh.intel.com ([10.67.110.206]) by fmsmga001.fm.intel.com with ESMTP; 17 Apr 2019 02:02:40 -0700 From: Xiaolong Ye To: dev@dpdk.org, Ferruh Yigit , David Marchand Cc: Qi Zhang , Karlsson Magnus , Topel Bjorn , Xiaolong Ye Date: Wed, 17 Apr 2019 16:56:50 +0800 Message-Id: <20190417085653.110559-2-xiaolong.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190417085653.110559-1-xiaolong.ye@intel.com> References: <20190417085653.110559-1-xiaolong.ye@intel.com> Subject: [dpdk-dev] [PATCH v3 1/4] 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: <20190417085650.kLoLsQqxRPkP3nFgUbaMG6Ta4cBwCPdB5-62QeEE1GI@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