From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 6EDAFA0C4C; Tue, 5 Oct 2021 19:21:53 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5D8FA41400; Tue, 5 Oct 2021 19:21:53 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by mails.dpdk.org (Postfix) with ESMTP id 19960413FB for ; Tue, 5 Oct 2021 19:21:50 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10128"; a="206617715" X-IronPort-AV: E=Sophos;i="5.85,349,1624345200"; d="scan'208";a="206617715" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Oct 2021 10:17:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,349,1624345200"; d="scan'208";a="656668064" Received: from silpixa00399752.ir.intel.com (HELO silpixa00399752.ger.corp.intel.com) ([10.237.222.27]) by orsmga005.jf.intel.com with ESMTP; 05 Oct 2021 10:17:23 -0700 From: Ferruh Yigit To: Somalapuram Amaranath , Ajit Khaparde , Somnath Kotur , Rahul Lakkireddy , Hemant Agrawal , Sachin Saxena , Haiyue Wang , Gagandeep Singh , Ziyang Xuan , Xiaoyun Wang , Guoyang Zhou , Beilei Xing , Jingjing Wu , Qiming Yang , Qi Zhang , Rosen Xu , Shijith Thotton , Srisivasubramanian Srinivasan , Heinrich Kuhn , Harman Kalra , Jerin Jacob , Nithin Dabilpuram , Kiran Kumar K , Rasesh Mody , Devendra Singh Rawat , Maciej Czekaj , Jiawen Wu , Jian Wang , Thomas Monjalon , Andrew Rybchenko Cc: Ferruh Yigit , dev@dpdk.org Date: Tue, 5 Oct 2021 18:16:49 +0100 Message-Id: <20211005171653.3700067-3-ferruh.yigit@intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211005171653.3700067-1-ferruh.yigit@intel.com> References: <20211001143624.3744505-1-ferruh.yigit@intel.com> <20211005171653.3700067-1-ferruh.yigit@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v4 3/6] ethdev: move check to library for MTU set 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 Sender: "dev" Move requested MTU value check to the API to prevent the duplicated code. Signed-off-by: Ferruh Yigit Reviewed-by: Andrew Rybchenko Reviewed-by: Rosen Xu Acked-by: Somnath Kotur --- drivers/net/axgbe/axgbe_ethdev.c | 15 ++++----------- drivers/net/bnxt/bnxt_ethdev.c | 2 +- drivers/net/cxgbe/cxgbe_ethdev.c | 13 +------------ drivers/net/dpaa/dpaa_ethdev.c | 2 -- drivers/net/dpaa2/dpaa2_ethdev.c | 4 ---- drivers/net/e1000/em_ethdev.c | 10 ---------- drivers/net/e1000/igb_ethdev.c | 11 ----------- drivers/net/enetc/enetc_ethdev.c | 4 ---- drivers/net/hinic/hinic_pmd_ethdev.c | 8 +------- drivers/net/i40e/i40e_ethdev.c | 17 ++++------------- drivers/net/iavf/iavf_ethdev.c | 10 ++-------- drivers/net/ice/ice_ethdev.c | 14 +++----------- drivers/net/igc/igc_ethdev.c | 5 ----- drivers/net/ipn3ke/ipn3ke_representor.c | 6 ------ drivers/net/liquidio/lio_ethdev.c | 10 ---------- drivers/net/nfp/nfp_common.c | 4 ---- drivers/net/octeontx/octeontx_ethdev.c | 4 ---- drivers/net/octeontx2/otx2_ethdev_ops.c | 4 ---- drivers/net/qede/qede_ethdev.c | 12 ------------ drivers/net/thunderx/nicvf_ethdev.c | 6 ------ drivers/net/txgbe/txgbe_ethdev.c | 10 ---------- lib/ethdev/rte_ethdev.c | 9 +++++++++ 22 files changed, 25 insertions(+), 155 deletions(-) diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c index 2960834b4539..c36cd7b1d2f0 100644 --- a/drivers/net/axgbe/axgbe_ethdev.c +++ b/drivers/net/axgbe/axgbe_ethdev.c @@ -1478,25 +1478,18 @@ axgbe_dev_supported_ptypes_get(struct rte_eth_dev *dev) static int axgb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) { - struct rte_eth_dev_info dev_info; struct axgbe_port *pdata = dev->data->dev_private; - uint32_t frame_size = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN; - unsigned int val = 0; - axgbe_dev_info_get(dev, &dev_info); - /* check that mtu is within the allowed range */ - if (mtu < RTE_ETHER_MIN_MTU || frame_size > dev_info.max_rx_pktlen) - return -EINVAL; + unsigned int val; + /* 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 (mtu > RTE_ETHER_MTU) - val = 1; - else - val = 0; + val = mtu > RTE_ETHER_MTU ? 1 : 0; AXGMAC_IOWRITE_BITS(pdata, MAC_RCR, JE, val); + return 0; } diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index 07ee19938930..dc33b961320a 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -3025,7 +3025,7 @@ int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu) uint32_t overhead = BNXT_MAX_PKT_LEN - BNXT_MAX_MTU; struct bnxt *bp = eth_dev->data->dev_private; uint32_t new_pkt_size; - uint32_t rc = 0; + uint32_t rc; uint32_t i; rc = is_bnxt_in_error(bp); diff --git a/drivers/net/cxgbe/cxgbe_ethdev.c b/drivers/net/cxgbe/cxgbe_ethdev.c index 0c9cc2f5bb3f..70b879fed100 100644 --- a/drivers/net/cxgbe/cxgbe_ethdev.c +++ b/drivers/net/cxgbe/cxgbe_ethdev.c @@ -301,21 +301,10 @@ int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu) { struct port_info *pi = eth_dev->data->dev_private; struct adapter *adapter = pi->adapter; - struct rte_eth_dev_info dev_info; - int err; uint16_t new_mtu = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN; - err = cxgbe_dev_info_get(eth_dev, &dev_info); - if (err != 0) - return err; - - /* Must accommodate at least RTE_ETHER_MIN_MTU */ - if (mtu < RTE_ETHER_MIN_MTU || new_mtu > dev_info.max_rx_pktlen) - return -EINVAL; - - err = t4_set_rxmode(adapter, adapter->mbox, pi->viid, new_mtu, -1, -1, + return t4_set_rxmode(adapter, adapter->mbox, pi->viid, new_mtu, -1, -1, -1, -1, true); - return err; } /* diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c index 57b09f16ba44..3172e3b2de87 100644 --- a/drivers/net/dpaa/dpaa_ethdev.c +++ b/drivers/net/dpaa/dpaa_ethdev.c @@ -167,8 +167,6 @@ dpaa_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) PMD_INIT_FUNC_TRACE(); - if (mtu < RTE_ETHER_MIN_MTU || frame_size > DPAA_MAX_RX_PKT_LEN) - return -EINVAL; /* * Refuse mtu that requires the support of scattered packets * when this feature has not been enabled before. diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c index df44bb204f65..c28f03641bbc 100644 --- a/drivers/net/dpaa2/dpaa2_ethdev.c +++ b/drivers/net/dpaa2/dpaa2_ethdev.c @@ -1466,10 +1466,6 @@ dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) return -EINVAL; } - /* check that mtu is within the allowed range */ - if (mtu < RTE_ETHER_MIN_MTU || frame_size > DPAA2_MAX_RX_PKT_LEN) - return -EINVAL; - /* Set the Max Rx frame length as 'mtu' + * Maximum Ethernet header length */ diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c index 1b41dd04df5a..6ebef55588bc 100644 --- a/drivers/net/e1000/em_ethdev.c +++ b/drivers/net/e1000/em_ethdev.c @@ -1788,22 +1788,12 @@ eth_em_default_mac_addr_set(struct rte_eth_dev *dev, static int eth_em_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) { - struct rte_eth_dev_info dev_info; struct e1000_hw *hw; uint32_t frame_size; uint32_t rctl; - int ret; - - ret = eth_em_infos_get(dev, &dev_info); - if (ret != 0) - return ret; frame_size = mtu + E1000_ETH_OVERHEAD; - /* check that mtu is within the allowed range */ - if (mtu < RTE_ETHER_MIN_MTU || frame_size > dev_info.max_rx_pktlen) - return -EINVAL; - /* * If device is started, refuse mtu that requires the support of * scattered packets when this feature has not been enabled before. diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c index a061d0529dd1..3164fde5b939 100644 --- a/drivers/net/e1000/igb_ethdev.c +++ b/drivers/net/e1000/igb_ethdev.c @@ -4363,9 +4363,7 @@ eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) { uint32_t rctl; struct e1000_hw *hw; - struct rte_eth_dev_info dev_info; uint32_t frame_size = mtu + E1000_ETH_OVERHEAD; - int ret; hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); @@ -4374,15 +4372,6 @@ eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) if (hw->mac.type == e1000_82571) return -ENOTSUP; #endif - ret = eth_igb_infos_get(dev, &dev_info); - if (ret != 0) - return ret; - - /* check that mtu is within the allowed range */ - if (mtu < RTE_ETHER_MIN_MTU || - frame_size > dev_info.max_rx_pktlen) - return -EINVAL; - /* * If device is started, refuse mtu that requires the support of * scattered packets when this feature has not been enabled before. diff --git a/drivers/net/enetc/enetc_ethdev.c b/drivers/net/enetc/enetc_ethdev.c index fbcbbb6c0533..a7372c1787c7 100644 --- a/drivers/net/enetc/enetc_ethdev.c +++ b/drivers/net/enetc/enetc_ethdev.c @@ -662,10 +662,6 @@ enetc_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) struct enetc_hw *enetc_hw = &hw->hw; uint32_t frame_size = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN; - /* check that mtu is within the allowed range */ - if (mtu < ENETC_MAC_MINFRM_SIZE || frame_size > ENETC_MAC_MAXFRM_SIZE) - return -EINVAL; - /* * Refuse mtu that requires the support of scattered packets * when this feature has not been enabled before. diff --git a/drivers/net/hinic/hinic_pmd_ethdev.c b/drivers/net/hinic/hinic_pmd_ethdev.c index 4b30dfa222a8..79987bec273c 100644 --- a/drivers/net/hinic/hinic_pmd_ethdev.c +++ b/drivers/net/hinic/hinic_pmd_ethdev.c @@ -1530,17 +1530,11 @@ static void hinic_deinit_mac_addr(struct rte_eth_dev *eth_dev) static int hinic_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) { struct hinic_nic_dev *nic_dev = HINIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev); - int ret = 0; + int ret; PMD_DRV_LOG(INFO, "Set port mtu, port_id: %d, mtu: %d, max_pkt_len: %d", dev->data->port_id, mtu, HINIC_MTU_TO_PKTLEN(mtu)); - if (mtu < HINIC_MIN_MTU_SIZE || mtu > HINIC_MAX_MTU_SIZE) { - PMD_DRV_LOG(ERR, "Invalid mtu: %d, must between %d and %d", - mtu, HINIC_MIN_MTU_SIZE, HINIC_MAX_MTU_SIZE); - return -EINVAL; - } - ret = hinic_set_port_mtu(nic_dev->hwdev, mtu); if (ret) { PMD_DRV_LOG(ERR, "Set port mtu failed, ret: %d", ret); diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 9283adb19304..2824592aa62e 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -11757,25 +11757,16 @@ static int i40e_set_default_mac_addr(struct rte_eth_dev *dev, } static int -i40e_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) +i40e_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu __rte_unused) { - struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); - struct rte_eth_dev_data *dev_data = pf->dev_data; - uint32_t frame_size = mtu + I40E_ETH_OVERHEAD; - int ret = 0; - - /* check if mtu is within the allowed range */ - if (mtu < RTE_ETHER_MIN_MTU || frame_size > I40E_FRAME_SIZE_MAX) - return -EINVAL; - /* mtu setting is forbidden if port is start */ - if (dev_data->dev_started) { + if (dev->data->dev_started != 0) { PMD_DRV_LOG(ERR, "port %d must be stopped before configuration", - dev_data->port_id); + dev->data->port_id); return -EBUSY; } - return ret; + return 0; } /* Restore ethertype filter */ diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c index 844d26d87ba6..2d43c666fdbb 100644 --- a/drivers/net/iavf/iavf_ethdev.c +++ b/drivers/net/iavf/iavf_ethdev.c @@ -1459,21 +1459,15 @@ iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev, } static int -iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) +iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu __rte_unused) { - uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD; - int ret = 0; - - if (mtu < RTE_ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX) - 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; } - return ret; + return 0; } static int diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index 3038a9714517..703178c6d40c 100644 --- a/drivers/net/ice/ice_ethdev.c +++ b/drivers/net/ice/ice_ethdev.c @@ -3974,21 +3974,13 @@ ice_dev_set_link_down(struct rte_eth_dev *dev) } static int -ice_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) +ice_mtu_set(struct rte_eth_dev *dev, uint16_t mtu __rte_unused) { - 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 + ICE_ETH_OVERHEAD; - - /* check if mtu is within the allowed range */ - if (mtu < RTE_ETHER_MIN_MTU || frame_size > ICE_FRAME_SIZE_MAX) - return -EINVAL; - /* mtu setting is forbidden if port is start */ - if (dev_data->dev_started) { + if (dev->data->dev_started != 0) { PMD_DRV_LOG(ERR, "port %d must be stopped before configuration", - dev_data->port_id); + dev->data->port_id); return -EBUSY; } diff --git a/drivers/net/igc/igc_ethdev.c b/drivers/net/igc/igc_ethdev.c index dcbc26b8186e..e279ae1fff1d 100644 --- a/drivers/net/igc/igc_ethdev.c +++ b/drivers/net/igc/igc_ethdev.c @@ -1576,11 +1576,6 @@ eth_igc_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) if (IGC_READ_REG(hw, IGC_CTRL_EXT) & IGC_CTRL_EXT_EXT_VLAN) frame_size += VLAN_TAG_SIZE; - /* check that mtu is within the allowed range */ - if (mtu < RTE_ETHER_MIN_MTU || - frame_size > MAX_RX_JUMBO_FRAME_SIZE) - return -EINVAL; - /* * If device is started, refuse mtu that requires the support of * scattered packets when this feature has not been enabled before. diff --git a/drivers/net/ipn3ke/ipn3ke_representor.c b/drivers/net/ipn3ke/ipn3ke_representor.c index e8a33f04bd69..377b96c0236a 100644 --- a/drivers/net/ipn3ke/ipn3ke_representor.c +++ b/drivers/net/ipn3ke/ipn3ke_representor.c @@ -2778,12 +2778,6 @@ ipn3ke_rpst_mtu_set(struct rte_eth_dev *ethdev, uint16_t mtu) int ret = 0; struct ipn3ke_rpst *rpst = IPN3KE_DEV_PRIVATE_TO_RPST(ethdev); struct rte_eth_dev_data *dev_data = ethdev->data; - uint32_t frame_size = mtu + IPN3KE_ETH_OVERHEAD; - - /* check if mtu is within the allowed range */ - if (mtu < RTE_ETHER_MIN_MTU || - frame_size > IPN3KE_MAC_FRAME_SIZE_MAX) - return -EINVAL; /* mtu setting is forbidden if port is start */ /* make sure NIC port is stopped */ diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c index 3a516c52d199..9d1d811a2e37 100644 --- a/drivers/net/liquidio/lio_ethdev.c +++ b/drivers/net/liquidio/lio_ethdev.c @@ -434,7 +434,6 @@ static int lio_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu) { struct lio_device *lio_dev = LIO_DEV(eth_dev); - uint16_t pf_mtu = lio_dev->linfo.link.s.mtu; struct lio_dev_ctrl_cmd ctrl_cmd; struct lio_ctrl_pkt ctrl_pkt; @@ -446,15 +445,6 @@ lio_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu) return -EINVAL; } - /* check if VF MTU is within allowed range. - * New value should not exceed PF MTU. - */ - if (mtu < RTE_ETHER_MIN_MTU || mtu > pf_mtu) { - lio_dev_err(lio_dev, "VF MTU should be >= %d and <= %d\n", - RTE_ETHER_MIN_MTU, pf_mtu); - return -EINVAL; - } - /* flush added to prevent cmd failure * incase the queue is full */ diff --git a/drivers/net/nfp/nfp_common.c b/drivers/net/nfp/nfp_common.c index 850ec7655f82..b1ce35b334da 100644 --- a/drivers/net/nfp/nfp_common.c +++ b/drivers/net/nfp/nfp_common.c @@ -951,10 +951,6 @@ nfp_net_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); - /* check that mtu is within the allowed range */ - if (mtu < RTE_ETHER_MIN_MTU || (uint32_t)mtu > hw->max_mtu) - return -EINVAL; - /* mtu setting is forbidden if port is started */ if (dev->data->dev_started) { PMD_DRV_LOG(ERR, "port %d must be stopped before configuration", diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c index fb65be2c2dc3..b2355fa695bc 100644 --- a/drivers/net/octeontx/octeontx_ethdev.c +++ b/drivers/net/octeontx/octeontx_ethdev.c @@ -524,10 +524,6 @@ octeontx_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu) struct rte_eth_dev_data *data = eth_dev->data; int rc = 0; - /* Check if MTU is within the allowed range */ - if (frame_size < OCCTX_MIN_FRS || frame_size > OCCTX_MAX_FRS) - return -EINVAL; - buffsz = data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM; /* Refuse MTU that requires the support of scattered packets diff --git a/drivers/net/octeontx2/otx2_ethdev_ops.c b/drivers/net/octeontx2/otx2_ethdev_ops.c index 293306c7be2a..206da6f7cfda 100644 --- a/drivers/net/octeontx2/otx2_ethdev_ops.c +++ b/drivers/net/octeontx2/otx2_ethdev_ops.c @@ -20,10 +20,6 @@ otx2_nix_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu) if (dev->configured && otx2_ethdev_is_ptp_en(dev)) frame_size += NIX_TIMESYNC_RX_OFFSET; - /* Check if MTU is within the allowed range */ - if (frame_size < NIX_MIN_FRS || frame_size > NIX_MAX_FRS) - return -EINVAL; - buffsz = data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM; /* Refuse MTU that requires the support of scattered packets diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c index 6886a4e5efb4..84e23ff03418 100644 --- a/drivers/net/qede/qede_ethdev.c +++ b/drivers/net/qede/qede_ethdev.c @@ -2307,7 +2307,6 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) { struct qede_dev *qdev = QEDE_INIT_QDEV(dev); struct ecore_dev *edev = QEDE_INIT_EDEV(qdev); - struct rte_eth_dev_info dev_info = {0}; struct qede_fastpath *fp; uint32_t frame_size; uint16_t bufsz; @@ -2315,19 +2314,8 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) int i, rc; PMD_INIT_FUNC_TRACE(edev); - rc = qede_dev_info_get(dev, &dev_info); - if (rc != 0) { - DP_ERR(edev, "Error during getting ethernet device info\n"); - return rc; - } frame_size = mtu + QEDE_MAX_ETHER_HDR_LEN; - if (mtu < RTE_ETHER_MIN_MTU || frame_size > dev_info.max_rx_pktlen) { - DP_ERR(edev, "MTU %u out of range, %u is maximum allowable\n", - mtu, dev_info.max_rx_pktlen - RTE_ETHER_HDR_LEN - - QEDE_ETH_OVERHEAD); - return -EINVAL; - } if (!dev->data->scattered_rx && frame_size > dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM) { DP_INFO(edev, "MTU greater than minimum RX buffer size of %u\n", diff --git a/drivers/net/thunderx/nicvf_ethdev.c b/drivers/net/thunderx/nicvf_ethdev.c index b501fee5332c..44c6b1c72354 100644 --- a/drivers/net/thunderx/nicvf_ethdev.c +++ b/drivers/net/thunderx/nicvf_ethdev.c @@ -154,12 +154,6 @@ nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) PMD_INIT_FUNC_TRACE(); - if (frame_size > NIC_HW_MAX_FRS) - return -EINVAL; - - if (frame_size < NIC_HW_MIN_FRS) - return -EINVAL; - buffsz = dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM; /* diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c index 35b98097c3a4..c6fcb1871981 100644 --- a/drivers/net/txgbe/txgbe_ethdev.c +++ b/drivers/net/txgbe/txgbe_ethdev.c @@ -3463,18 +3463,8 @@ static int txgbe_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) { struct txgbe_hw *hw = TXGBE_DEV_HW(dev); - struct rte_eth_dev_info dev_info; uint32_t frame_size = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN; struct rte_eth_dev_data *dev_data = dev->data; - int ret; - - ret = txgbe_dev_info_get(dev, &dev_info); - if (ret != 0) - return ret; - - /* check that mtu is within the allowed range */ - if (mtu < RTE_ETHER_MIN_MTU || frame_size > dev_info.max_rx_pktlen) - return -EINVAL; /* If device is started, refuse mtu that requires the support of * scattered packets when this feature has not been enabled before. diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c index 1740bab98a83..ce0ed509d28f 100644 --- a/lib/ethdev/rte_ethdev.c +++ b/lib/ethdev/rte_ethdev.c @@ -3652,6 +3652,9 @@ rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu) * which relies on dev->dev_ops->dev_infos_get. */ if (*dev->dev_ops->dev_infos_get != NULL) { + uint16_t overhead_len; + uint32_t frame_size; + ret = rte_eth_dev_info_get(port_id, &dev_info); if (ret != 0) return ret; @@ -3659,6 +3662,12 @@ rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu) if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu) return -EINVAL; + overhead_len = eth_dev_get_overhead_len(dev_info.max_rx_pktlen, + dev_info.max_mtu); + frame_size = mtu + overhead_len; + if (mtu < RTE_ETHER_MIN_MTU || frame_size > dev_info.max_rx_pktlen) + return -EINVAL; + if ((dev_info.rx_offload_capa & DEV_RX_OFFLOAD_JUMBO_FRAME) != 0) is_jumbo_frame_capable = 1; } -- 2.31.1