From patchwork Fri Nov 23 06:56:07 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenzhuo Lu X-Patchwork-Id: 48291 X-Patchwork-Delegate: qi.z.zhang@intel.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 60B981B509; Fri, 23 Nov 2018 07:52:03 +0100 (CET) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id 81DA81B4D7 for ; Fri, 23 Nov 2018 07:51:54 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Nov 2018 22:51:53 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,268,1539673200"; d="scan'208";a="283483466" Received: from dpdk26.sh.intel.com ([10.67.110.161]) by fmsmga006.fm.intel.com with ESMTP; 22 Nov 2018 22:51:52 -0800 From: Wenzhuo Lu To: dev@dpdk.org Cc: Wenzhuo Lu , Qiming Yang , Xiaoyun Li , Jingjing Wu Date: Fri, 23 Nov 2018 14:56:07 +0800 Message-Id: <1542956179-80951-8-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1542956179-80951-1-git-send-email-wenzhuo.lu@intel.com> References: <1542956179-80951-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH 07/19] net/ice: support 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" Add ops link_update. Signed-off-by: Wenzhuo Lu Signed-off-by: Qiming Yang Signed-off-by: Xiaoyun Li Signed-off-by: Jingjing Wu --- drivers/net/ice/ice_ethdev.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index 75246da..5beb356 100644 --- a/drivers/net/ice/ice_ethdev.c +++ b/drivers/net/ice/ice_ethdev.c @@ -23,6 +23,7 @@ static void ice_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info); static int ice_link_update(struct rte_eth_dev *dev, int wait_to_complete); +static int ice_mtu_set(struct rte_eth_dev *dev, uint16_t mtu); static const struct rte_pci_id pci_id_ice_map[] = { { RTE_PCI_DEVICE(ICE_INTEL_VENDOR_ID, ICE_DEV_ID_E810C_BACKPLANE) }, @@ -48,6 +49,7 @@ static int ice_link_update(struct rte_eth_dev *dev, .dev_infos_get = ice_dev_info_get, .dev_supported_ptypes_get = ice_dev_supported_ptypes_get, .link_update = ice_link_update, + .mtu_set = ice_mtu_set, }; static void @@ -1275,3 +1277,38 @@ static int ice_init_rss(struct ice_pf *pf) return 0; } + +static int +ice_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) +{ + struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private); + struct rte_eth_dev_data *dev_data = pf->dev_data; + uint32_t frame_size = mtu + ETHER_HDR_LEN + + ETHER_CRC_LEN + ICE_VLAN_TAG_SIZE; + + if (rte_eal_process_type() == RTE_PROC_SECONDARY) + return -E_RTE_SECONDARY; + + /* check if mtu is within the allowed range */ + if ((mtu < ETHER_MIN_MTU) || (frame_size > ICE_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", + dev_data->port_id); + return -EBUSY; + } + + if (frame_size > ETHER_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; + + dev_data->dev_conf.rxmode.max_rx_pkt_len = frame_size; + + return 0; +}