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 CF5B1A09F0; Thu, 17 Dec 2020 10:33:34 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id AB880CA63; Thu, 17 Dec 2020 10:33:33 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id C5A84CA63 for ; Thu, 17 Dec 2020 10:33:30 +0100 (CET) IronPort-SDR: 9EiPmQo+viK2U8d4P0zzce0BncJZL+n2LcPEnAQUqQKVcx5z5ePOi/CXbyFWqGFGApdyObq2/L +tbmaX9S7H3A== X-IronPort-AV: E=McAfee;i="6000,8403,9837"; a="175324736" X-IronPort-AV: E=Sophos;i="5.78,426,1599548400"; d="scan'208";a="175324736" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Dec 2020 01:33:30 -0800 IronPort-SDR: VsWRohVejLR9U2A5mgPpOc7WnzzyBUDISJxbUOd0U8GBBUkCYxxLYDFXkLcXD7Dd17QG1cRYJA B92EIrvQU43Q== X-IronPort-AV: E=Sophos;i="5.78,426,1599548400"; d="scan'208";a="369755978" Received: from intel-npg-odc-srv01.cd.intel.com ([10.240.178.136]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Dec 2020 01:33:01 -0800 From: Steve Yang To: dev@dpdk.org Cc: wenzhuo.lu@intel.com, beilei.xing@intel.com, bernard.iremonger@intel.com, asomalap@amd.com, rahul.lakkireddy@chelsio.com, hemant.agrawal@nxp.com, sachin.saxena@oss.nxp.com, jia.guo@intel.com, haiyue.wang@intel.com, g.singh@nxp.com, xuanziyang2@huawei.com, cloud.wangxiaoyun@huawei.com, zhouguoyang@huawei.com, xavier.huwei@huawei.com, humin29@huawei.com, yisen.zhuang@huawei.com, oulijun@huawei.com, jingjing.wu@intel.com, qiming.yang@intel.com, qi.z.zhang@intel.com, rosen.xu@intel.com, sthotton@marvell.com, srinivasan@marvell.com, heinrich.kuhn@netronome.com, hkalra@marvell.com, jerinj@marvell.com, ndabilpuram@marvell.com, kirankumark@marvell.com, rmody@marvell.com, shshaikh@marvell.com, andrew.rybchenko@oktetlabs.ru, mczekaj@marvell.com, thomas@monjalon.net, ferruh.yigit@intel.com, ivan.boule@6wind.com, konstantin.ananyev@intel.com, samuel.gauthier@6wind.com, david.marchand@6wind.com, shahafs@mellanox.com, stephen@networkplumber.org, maxime.coquelin@redhat.com, olivier.matz@6wind.com, lihuisong@huawei.com, shreyansh.jain@nxp.com, wei.dai@intel.com, fengchunsong@huawei.com, chenhao164@huawei.com, tangchengchang@hisilicon.com, helin.zhang@intel.com, yanglong.wu@intel.com, xiaolong.ye@intel.com, ting.xu@intel.com, xiaoyun.li@intel.com, dan.wei@intel.com, andy.pei@intel.com, vattunuru@marvell.com, skori@marvell.com, sony.chacko@qlogic.com, bruce.richardson@intel.com, ivan.malov@oktetlabs.ru, rad@semihalf.com, slawomir.rosek@semihalf.com, kamil.rytarowski@caviumnetworks.com, wei.zhao1@intel.com, junyux.jiang@intel.com, kumaras@chelsio.com, girish.nandibasappa@amd.com, rolf.neugebauer@netronome.com, alejandro.lucero@netronome.com, Steve Yang Date: Thu, 17 Dec 2020 09:23:02 +0000 Message-Id: <20201217092312.27033-13-stevex.yang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201217092312.27033-1-stevex.yang@intel.com> References: <20201209031628.29572-1-stevex.yang@intel.com> <20201217092312.27033-1-stevex.yang@intel.com> Subject: [dpdk-dev] [PATCH v2 12/22] net/octeontx2: fix the jumbo frame flag condition for mtu 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" The jumbo frame uses the 'RTE_ETHER_MAX_LEN' as boundary condition, but the Ether overhead is larger than 18 when it supports dual VLAN tags. That will cause the jumbo flag rx offload is wrong when MTU size is 'RTE_ETHER_MTU'. This fix will change the boundary condition with 'RTE_ETHER_MTU' and overhead. Fixes: 0e2efd02db58 ("net/octeontx2: add MTU set operation") Signed-off-by: Steve Yang --- drivers/net/octeontx2/otx2_ethdev.h | 2 ++ drivers/net/octeontx2/otx2_ethdev_ops.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/octeontx2/otx2_ethdev.h b/drivers/net/octeontx2/otx2_ethdev.h index 3b9871f4dc..99f0469d89 100644 --- a/drivers/net/octeontx2/otx2_ethdev.h +++ b/drivers/net/octeontx2/otx2_ethdev.h @@ -51,6 +51,8 @@ /* ETH_HLEN+ETH_FCS+2*VLAN_HLEN */ #define NIX_L2_OVERHEAD \ (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + 8) +#define NIX_L2_MAX_LEN \ + (RTE_ETHER_MTU + NIX_L2_OVERHEAD) /* HW config of frame size doesn't include FCS */ #define NIX_MAX_HW_FRS 9212 diff --git a/drivers/net/octeontx2/otx2_ethdev_ops.c b/drivers/net/octeontx2/otx2_ethdev_ops.c index b36d37b9f7..963cc285ed 100644 --- a/drivers/net/octeontx2/otx2_ethdev_ops.c +++ b/drivers/net/octeontx2/otx2_ethdev_ops.c @@ -58,7 +58,7 @@ otx2_nix_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu) if (rc) return rc; - if (frame_size > RTE_ETHER_MAX_LEN) + if (frame_size > NIX_L2_MAX_LEN) dev->rx_offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; else dev->rx_offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME; -- 2.17.1