From patchwork Sat Sep 1 04:32:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajit Khaparde X-Patchwork-Id: 44150 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 597555689; Sat, 1 Sep 2018 06:33:06 +0200 (CEST) Received: from rnd-relay.smtp.broadcom.com (rnd-relay.smtp.broadcom.com [192.19.229.170]) by dpdk.org (Postfix) with ESMTP id DABD75398; Sat, 1 Sep 2018 06:33:03 +0200 (CEST) Received: from nis-sj1-27.broadcom.com (nis-sj1-27.lvn.broadcom.net [10.75.144.136]) by rnd-relay.smtp.broadcom.com (Postfix) with ESMTP id 7F99B30C061; Fri, 31 Aug 2018 21:33:01 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.10.3 rnd-relay.smtp.broadcom.com 7F99B30C061 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1535776381; bh=NGe+VmT7n8ATH8ogTKE151qmN4aqf0ZMCRginYbcZ3E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gb3v+WF/Zh1cmCubUp3ZA/mAZxE8IiCZb49MFu1IMqV+tIDlBlZJFhbZrXdDWURvP wvNyNSJzJNWJ6or6rjgcIy8mcKtbCHOTyN+X77Ir5XZUQYPoUaBczmHC/d/lfbCJCl kCVyGZzLctaJXO9tR6ZN+3Gx8YBmVUmMxSVarKjA= Received: from C02VPB22HTD6.vpn.broadcom.net (unknown [10.10.117.252]) by nis-sj1-27.broadcom.com (Postfix) with ESMTP id B6EA8AC0766; Fri, 31 Aug 2018 21:33:01 -0700 (PDT) From: Ajit Khaparde To: dev@dpdk.org Cc: ferruh.yigit@intel.com, stable@dpdk.org Date: Fri, 31 Aug 2018 21:32:50 -0700 Message-Id: <20180901043254.51000-4-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.15.2 (Apple Git-101.1) In-Reply-To: <20180901043254.51000-1-ajit.khaparde@broadcom.com> References: <20180901043254.51000-1-ajit.khaparde@broadcom.com> Subject: [dpdk-dev] [PATCH 3/7] net/bnxt: fix MTU setting 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 HW can support maximum frame length of 9600 bytes. And we are currently capping the max frame size to 9500 bytes. Fixes: daef48efe5e5 ("net/bnxt: support set MTU") Cc: stable@dpdk.org Signed-off-by: Ajit Khaparde --- drivers/net/bnxt/bnxt.h | 2 +- drivers/net/bnxt/bnxt_ethdev.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h index 8aae0426a..8218635d6 100644 --- a/drivers/net/bnxt/bnxt.h +++ b/drivers/net/bnxt/bnxt.h @@ -20,7 +20,7 @@ #include "bnxt_cpr.h" -#define BNXT_MAX_MTU 9500 +#define BNXT_MAX_MTU 9578 #define VLAN_TAG_SIZE 4 #define BNXT_VF_RSV_NUM_RSS_CTX 1 #define BNXT_VF_RSV_NUM_L2_CTX 4 diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index 70132c705..cae9deea5 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -453,7 +453,7 @@ static void bnxt_dev_info_get_op(struct rte_eth_dev *eth_dev, /* Fast path specifics */ dev_info->min_rx_bufsize = 1; dev_info->max_rx_pktlen = BNXT_MAX_MTU + ETHER_HDR_LEN + ETHER_CRC_LEN - + VLAN_TAG_SIZE; + + VLAN_TAG_SIZE * 2; dev_info->rx_offload_capa = BNXT_DEV_RX_OFFLOAD_SUPPORT; if (bp->flags & BNXT_FLAG_PTP_SUPPORTED)