From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4DE94A04DE; Tue, 22 Sep 2020 03:43:33 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id CB8641DAA8; Tue, 22 Sep 2020 03:43:06 +0200 (CEST) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by dpdk.org (Postfix) with ESMTP id 1B80E1D8F1 for ; Tue, 22 Sep 2020 03:43:03 +0200 (CEST) IronPort-SDR: 1NKogqrcYGaeR2hppKbvTk+zzvVJrh6nXF/xbNPzlfVXvY5leRnamQfzU5pbLks2X4mZ3RrUBJ vt2j/FrkMwYQ== X-IronPort-AV: E=McAfee;i="6000,8403,9751"; a="148265207" X-IronPort-AV: E=Sophos;i="5.77,288,1596524400"; d="scan'208";a="148265207" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Sep 2020 18:43:03 -0700 IronPort-SDR: gj74IFRvcLjvfLVE0CfG+QZ+Mc3FzOHMeHDoC+Ms3BK+m5qZyJ8Rc925EqEzEOTPUz5l0bATw0 dN3kdteYwxiA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,288,1596524400"; d="scan'208";a="322045782" Received: from intel-npg-odc-srv01.cd.intel.com ([10.240.178.136]) by orsmga002.jf.intel.com with ESMTP; 21 Sep 2020 18:43:01 -0700 From: SteveX Yang To: dev@dpdk.org Cc: wei.zhao1@intel.com, jia.guo@intel.com, qiming.yang@intel.com, qi.z.zhang@intel.com, jingjing.wu@intel.com, beilei.xing@intel.com, konstantin.ananyev@intel.com, SteveX Yang Date: Tue, 22 Sep 2020 01:23:38 +0000 Message-Id: <20200922012338.11277-6-stevex.yang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200922012338.11277-1-stevex.yang@intel.com> References: <20200916055212.25019-1-stevex.yang@intel.com> <20200922012338.11277-1-stevex.yang@intel.com> Subject: [dpdk-dev] [PATCH v2 5/5] net/iavf: fix max mtu size packets with vlan tag cannot be received by default 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" testpmd will initialize default max packet length to 1518 which doesn't include vlan tag size in ether overheader. Once, send the max mtu length packet with vlan tag, the max packet length will exceed 1518 that will cause packets dropped directly from NIC hw side. iavf can support dual vlan tags that need more 8 bytes for max packet size, so, configures the correct max packet size in dev_config ops. Fixes: 02d212ca3125 ("net/iavf: rename remaining avf strings") Signed-off-by: SteveX Yang --- drivers/net/iavf/iavf_ethdev.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c index 6bb915d81..47caaeda3 100644 --- a/drivers/net/iavf/iavf_ethdev.c +++ b/drivers/net/iavf/iavf_ethdev.c @@ -226,6 +226,11 @@ iavf_dev_configure(struct rte_eth_dev *dev) if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH; + /* Considering QinQ packet, max frame size should be MTU and + * corresponding ether overhead. + */ + iavf_dev_mtu_set(dev, dev->data->mtu); + /* Vlan stripping setting */ if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) { if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP) -- 2.17.1