From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 661771B8B5 for ; Mon, 17 Dec 2018 08:33:19 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Dec 2018 23:33:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,364,1539673200"; d="scan'208";a="118899289" Received: from dpdk26.sh.intel.com ([10.67.110.164]) by orsmga002.jf.intel.com with ESMTP; 16 Dec 2018 23:33:18 -0800 From: Wenzhuo Lu To: dev@dpdk.org Cc: Wenzhuo Lu , Qiming Yang , Xiaoyun Li , Jingjing Wu Date: Mon, 17 Dec 2018 15:37:28 +0800 Message-Id: <1545032259-77179-21-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1545032259-77179-1-git-send-email-wenzhuo.lu@intel.com> References: <1542956179-80951-1-git-send-email-wenzhuo.lu@intel.com> <1545032259-77179-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH v5 20/31] 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: , X-List-Received-Date: Mon, 17 Dec 2018 07:33:20 -0000 Add ops mtu_set. Signed-off-by: Wenzhuo Lu Signed-off-by: Qiming Yang Signed-off-by: Xiaoyun Li Signed-off-by: Jingjing Wu --- doc/guides/nics/features/ice.ini | 2 ++ drivers/net/ice/ice_ethdev.c | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/doc/guides/nics/features/ice.ini b/doc/guides/nics/features/ice.ini index eb852ff..fab6442 100644 --- a/doc/guides/nics/features/ice.ini +++ b/doc/guides/nics/features/ice.ini @@ -8,6 +8,8 @@ Speed capabilities = Y Link status = Y Link status event = Y Queue start/stop = Y +MTU update = Y +Jumbo frame = Y BSD nic_uio = Y Linux UIO = Y Linux VFIO = Y diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index 3118b05..0c0efce 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 @@ -1228,6 +1230,38 @@ static int ice_init_rss(struct ice_pf *pf) } 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; + + /* 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; +} + +static int ice_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, struct rte_pci_device *pci_dev) { -- 1.9.3