From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 2EE19377C for ; Fri, 16 Dec 2016 05:08:46 +0100 (CET) Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga105.fm.intel.com with ESMTP; 15 Dec 2016 20:08:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,355,1477983600"; d="scan'208";a="43201957" Received: from unknown (HELO localhost.localdomain.sh.intel.com) ([10.239.129.189]) by fmsmga006.fm.intel.com with ESMTP; 15 Dec 2016 20:08:44 -0800 From: Qi Zhang To: jingjing.wu@intel.com, helin.zhang@intel.com Cc: dev@dpdk.org, Qi Zhang Date: Thu, 15 Dec 2016 16:04:58 -0500 Message-Id: <1481835919-36488-9-git-send-email-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1481835919-36488-1-git-send-email-qi.z.zhang@intel.com> References: <1481835919-36488-1-git-send-email-qi.z.zhang@intel.com> Subject: [dpdk-dev] [PATCH v3 08/29] net/i40e: enable VF MTU change 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: , X-List-Received-Date: Fri, 16 Dec 2016 04:08:46 -0000 This patch implement mtu_set ops for i40e VF. Signed-off-by: Qi Zhang --- drivers/net/i40e/i40e_ethdev_vf.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index 12da0ec..bce01d0 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -151,6 +151,7 @@ static int i40evf_dev_rss_hash_update(struct rte_eth_dev *dev, struct rte_eth_rss_conf *rss_conf); static int i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev, struct rte_eth_rss_conf *rss_conf); +static int i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu); static int i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id); static int @@ -225,6 +226,7 @@ static const struct eth_dev_ops i40evf_eth_dev_ops = { .reta_query = i40evf_dev_rss_reta_query, .rss_hash_update = i40evf_dev_rss_hash_update, .rss_hash_conf_get = i40evf_dev_rss_hash_conf_get, + .mtu_set = i40evf_dev_mtu_set, }; /* @@ -2641,3 +2643,34 @@ i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev, return 0; } + +static int +i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) +{ + struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); + struct rte_eth_dev_data *dev_data = vf->dev_data; + uint32_t frame_size = mtu + ETHER_HDR_LEN + + ETHER_CRC_LEN + I40E_VLAN_TAG_SIZE; + int ret = 0; + + /* check if mtu is within the allowed range */ + if ((mtu < ETHER_MIN_MTU) || (frame_size > I40E_FRAME_SIZE_MAX)) + return -EINVAL; + + /* mtu setting is forbidden if port is start */ + if (dev_data->dev_started) { + PMD_DRV_LOG(ERR, + "port %d must be stopped before configuration\n", + dev_data->port_id); + return -EBUSY; + } + + if (frame_size > ETHER_MAX_LEN) + dev_data->dev_conf.rxmode.jumbo_frame = 1; + else + dev_data->dev_conf.rxmode.jumbo_frame = 0; + + dev_data->dev_conf.rxmode.max_rx_pkt_len = frame_size; + + return ret; +} -- 2.7.4