From patchwork Fri Sep 23 09:38:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Junfeng Guo X-Patchwork-Id: 116729 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id F39DBA0544; Fri, 23 Sep 2022 11:39:53 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 676A442B9F; Fri, 23 Sep 2022 11:39:29 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by mails.dpdk.org (Postfix) with ESMTP id 6B68D42B83 for ; Fri, 23 Sep 2022 11:39:24 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663925964; x=1695461964; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=poObQ5Z4r/ZYm3EjroFJGjEXZUcpRAzp9O9xRSCu5ms=; b=jDXY15pxToB4TkDzft240dslIWP8vDuEA7k1tLzeC0PopUjc9NLO02g9 1UDqhQ1t58ZOImMvvL8IGlpb71nwvPLxpeXfn5EJKsOVBAufI5DssbUi7 ftUPC5U0eCz9A8u6t4JZlbP69BmlTIwp49d5NEku6h05tU+OWpQ/1taYV EYmQZhXL2rtQsnji8fUGQhsMkKvUk4x9J8HAVQH/MVUWYe9nw3MQ1OwwC KPCHv1i4Il7FtvLswr0U9uWknnn+qSpWztAPO9x3PTj2zW0HRkulGyh6r C3USX2BPS9HmAjPUDN/S4Y9tasziRJ1wykRLPJflYg4ynXH7qESg03h3s w==; X-IronPort-AV: E=McAfee;i="6500,9779,10478"; a="326885906" X-IronPort-AV: E=Sophos;i="5.93,337,1654585200"; d="scan'208";a="326885906" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2022 02:39:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,337,1654585200"; d="scan'208";a="650891176" Received: from dpdk-jf-ntb-one.sh.intel.com ([10.67.111.104]) by orsmga008.jf.intel.com with ESMTP; 23 Sep 2022 02:39:21 -0700 From: Junfeng Guo To: qi.z.zhang@intel.com, jingjing.wu@intel.com Cc: ferruh.yigit@xilinx.com, dev@dpdk.org, xiaoyun.li@intel.com, awogbemila@google.com, bruce.richardson@intel.com, xueqin.lin@intel.com, junfeng.guo@intel.com Subject: [PATCH v3 5/9] net/gve: add MTU set support Date: Fri, 23 Sep 2022 17:38:25 +0800 Message-Id: <20220923093829.3019525-6-junfeng.guo@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220923093829.3019525-1-junfeng.guo@intel.com> References: <20220829084127.934183-11-junfeng.guo@intel.com> <20220923093829.3019525-1-junfeng.guo@intel.com> MIME-Version: 1.0 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 Support dev_ops mtu_set. Signed-off-by: Xiaoyun Li Signed-off-by: Junfeng Guo --- doc/guides/nics/features/gve.ini | 1 + drivers/net/gve/gve_ethdev.c | 29 +++++++++++++++++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/doc/guides/nics/features/gve.ini b/doc/guides/nics/features/gve.ini index d03e3ac89e..fbff0a5462 100644 --- a/doc/guides/nics/features/gve.ini +++ b/doc/guides/nics/features/gve.ini @@ -6,6 +6,7 @@ [Features] Speed capabilities = Y Link status = Y +MTU update = Y Linux = Y x86-32 = Y x86-64 = Y diff --git a/drivers/net/gve/gve_ethdev.c b/drivers/net/gve/gve_ethdev.c index 7eb93d7366..c510938832 100644 --- a/drivers/net/gve/gve_ethdev.c +++ b/drivers/net/gve/gve_ethdev.c @@ -94,12 +94,41 @@ gve_dev_close(struct rte_eth_dev *dev) return err; } +static int +gve_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) +{ + struct gve_priv *priv = dev->data->dev_private; + int err; + + if (mtu < RTE_ETHER_MIN_MTU || mtu > priv->max_mtu) { + PMD_DRV_LOG(ERR, "MIN MTU is %u MAX MTU is %u", RTE_ETHER_MIN_MTU, priv->max_mtu); + return -EINVAL; + } + + /* mtu setting is forbidden if port is start */ + if (dev->data->dev_started) { + PMD_DRV_LOG(ERR, "Port must be stopped before configuration"); + return -EBUSY; + } + + dev->data->dev_conf.rxmode.mtu = mtu + RTE_ETHER_HDR_LEN; + + err = gve_adminq_set_mtu(priv, mtu); + if (err) { + PMD_DRV_LOG(ERR, "Failed to set mtu as %u err = %d", mtu, err); + return err; + } + + return 0; +} + static const struct eth_dev_ops gve_eth_dev_ops = { .dev_configure = gve_dev_configure, .dev_start = gve_dev_start, .dev_stop = gve_dev_stop, .dev_close = gve_dev_close, .link_update = gve_link_update, + .mtu_set = gve_dev_mtu_set, }; static void