From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B13ADC10F0E for ; Fri, 12 Apr 2019 14:54:16 +0000 (UTC) Received: from dpdk.org (dpdk.org [92.243.14.124]) by mail.kernel.org (Postfix) with ESMTP id 70F7120850 for ; Fri, 12 Apr 2019 14:54:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 70F7120850 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=dev-bounces@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 990661B192; Fri, 12 Apr 2019 16:54:15 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id F0DCF1B14D for ; Fri, 12 Apr 2019 16:54:13 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Apr 2019 07:54:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,341,1549958400"; d="scan'208";a="140014795" Received: from yexl-server.sh.intel.com ([10.67.110.206]) by fmsmga008.fm.intel.com with ESMTP; 12 Apr 2019 07:54:11 -0700 From: Xiaolong Ye To: dev@dpdk.org, Ferruh Yigit , David Marchand Cc: Qi Zhang , Karlsson Magnus , Topel Bjorn , Xiaolong Ye Date: Fri, 12 Apr 2019 22:48:43 +0800 Message-Id: <20190412144844.50712-1-xiaolong.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: Subject: [dpdk-dev] [PATCH 1/2] 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" 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