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 E5524A09F0; Thu, 17 Dec 2020 10:35:07 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id EAD03CA44; Thu, 17 Dec 2020 10:34:48 +0100 (CET) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id E487ACA2E for ; Thu, 17 Dec 2020 10:34:46 +0100 (CET) IronPort-SDR: jLhsFXDvfdSRPWoHQBmAAye5t+ucivR5YuERqCijX5dYuSUnLjC8buFoQRlQOsAMd0ARmNYSIv 2YosMGZfzXFg== X-IronPort-AV: E=McAfee;i="6000,8403,9837"; a="175365173" X-IronPort-AV: E=Sophos;i="5.78,426,1599548400"; d="scan'208";a="175365173" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Dec 2020 01:34:45 -0800 IronPort-SDR: F2sfVT/vehUOTv+h2Ojs45uIlj7zedESW9n76MtjO366CJVZoMAMmp1Fmlm0kDH928+4L851Ob AKIF3xZsX7Sw== X-IronPort-AV: E=Sophos;i="5.78,426,1599548400"; d="scan'208";a="369758730" 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 01:34:21 -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 09:23:05 +0000 Message-Id: <20201217092312.27033-16-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 15/22] net/thunderx: fix the jumbo frame flag condition for mtu set 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: 65d9804edc05 ("net/thunderx: support MTU configuration") Signed-off-by: Steve Yang --- drivers/net/thunderx/base/nicvf_hw_defs.h | 1 + drivers/net/thunderx/nicvf_ethdev.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/thunderx/base/nicvf_hw_defs.h b/drivers/net/thunderx/base/nicvf_hw_defs.h index b12c8ec50a..adc8ec943d 100644 --- a/drivers/net/thunderx/base/nicvf_hw_defs.h +++ b/drivers/net/thunderx/base/nicvf_hw_defs.h @@ -176,6 +176,7 @@ #define NIC_HW_MAX_MTU (9190) #define NIC_HW_MAX_FRS (NIC_HW_MAX_MTU + NIC_HW_L2_OVERHEAD) #define NIC_HW_MAX_SEGS (12) +#define NIC_HW_L2_MAX_LEN (RTE_ETHER_MTU + NIC_HW_L2_OVERHEAD) /* Descriptor alignments */ #define NICVF_RBDR_BASE_ALIGN_BYTES (128) /* 7 bits */ diff --git a/drivers/net/thunderx/nicvf_ethdev.c b/drivers/net/thunderx/nicvf_ethdev.c index b6bb05e500..c2e7c334d4 100644 --- a/drivers/net/thunderx/nicvf_ethdev.c +++ b/drivers/net/thunderx/nicvf_ethdev.c @@ -176,7 +176,7 @@ nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) (frame_size + 2 * VLAN_TAG_SIZE > buffsz * NIC_HW_MAX_SEGS)) return -EINVAL; - if (frame_size > RTE_ETHER_MAX_LEN) + if (frame_size > NIC_HW_L2_MAX_LEN) rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; else rxmode->offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME; -- 2.17.1