From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3C06CA0A02; Thu, 14 Jan 2021 10:50:38 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D9D5414105D; Thu, 14 Jan 2021 10:50:11 +0100 (CET) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by mails.dpdk.org (Postfix) with ESMTP id C8138141083 for ; Thu, 14 Jan 2021 10:50:10 +0100 (CET) IronPort-SDR: PdT6HMuutrpyCFwTIEm9FJrXkPFENrMGiTpGUiu6Ey6HsysS9eorG2PLV+YvA4xeWWxLnGSwMk 0AMLFDDvVPTw== X-IronPort-AV: E=McAfee;i="6000,8403,9863"; a="263129560" X-IronPort-AV: E=Sophos;i="5.79,347,1602572400"; d="scan'208";a="263129560" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jan 2021 01:50:09 -0800 IronPort-SDR: Rv+kInjLvheBgF9WtX3mqGO5Ccg6sFM3PQitJzdtC+C7WU7AUGsl7LWO7ihTs9i9VlIgTYybP+ 6fDW5p5hjxaQ== X-IronPort-AV: E=Sophos;i="5.79,347,1602572400"; d="scan'208";a="572283863" Received: from intel-npg-odc-srv01.cd.intel.com ([10.240.178.136]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jan 2021 01:50:08 -0800 From: Steve Yang To: dev@dpdk.org Cc: rmody@marvell.com, shshaikh@marvell.com, Steve Yang Date: Thu, 14 Jan 2021 09:46:57 +0000 Message-Id: <20210114094657.14231-1-stevex.yang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201217092312.27033-1-stevex.yang@intel.com> References: <20201217092312.27033-1-stevex.yang@intel.com> Subject: [dpdk-dev] [PATCH v3 13/22] net/qede: fix the jumbo frame flag condition for mtu set X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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, that perhaps impacts the cases of the jumbo frame related. Fixes: 200645ac7909 ("net/qede: set MTU") Signed-off-by: Steve Yang --- drivers/net/qede/qede_ethdev.c | 2 +- drivers/net/qede/qede_rxtx.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c index 549013557c..6919378b8e 100644 --- a/drivers/net/qede/qede_ethdev.c +++ b/drivers/net/qede/qede_ethdev.c @@ -2367,7 +2367,7 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) fp->rxq->rx_buf_size = rc; } } - if (max_rx_pkt_len > RTE_ETHER_MAX_LEN) + if (frame_size > QEDE_ETH_MAX_LEN) dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; else dev->data->dev_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME; diff --git a/drivers/net/qede/qede_rxtx.h b/drivers/net/qede/qede_rxtx.h index d7ff870b20..fcb564a1bb 100644 --- a/drivers/net/qede/qede_rxtx.h +++ b/drivers/net/qede/qede_rxtx.h @@ -71,6 +71,7 @@ + (QEDE_LLC_SNAP_HDR_LEN) + 2) #define QEDE_MAX_ETHER_HDR_LEN (RTE_ETHER_HDR_LEN + QEDE_ETH_OVERHEAD) +#define QEDE_ETH_MAX_LEN (RTE_ETHER_MTU + QEDE_MAX_ETHER_HDR_LEN) #define QEDE_RSS_OFFLOAD_ALL (ETH_RSS_IPV4 |\ ETH_RSS_NONFRAG_IPV4_TCP |\ -- 2.17.1