From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3011FA04AC; Tue, 1 Sep 2020 13:59:35 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 2122C1D154; Tue, 1 Sep 2020 13:52:05 +0200 (CEST) Received: from smtpbg381.qq.com (smtpbg501.qq.com [203.205.250.101]) by dpdk.org (Postfix) with ESMTP id E952E1C28F for ; Tue, 1 Sep 2020 13:51:53 +0200 (CEST) X-QQ-mid: bizesmtp5t1598961110t7c9wwf31 Received: from localhost.localdomain.com (unknown [183.129.236.74]) by esmtp6.qq.com (ESMTP) with id ; Tue, 01 Sep 2020 19:51:50 +0800 (CST) X-QQ-SSF: 01400000000000B0C000000A0000000 X-QQ-FEAT: mAJfWfDYrJMaSrcs1AxgO0dXjed6xVttrExmuUIyK+KJYPJQLQZK1gNy3E1LU rTA2cN9P3QFyaf3x6E4nlFiyZvQIfQ6u2Zv4FuhnXX1P9ytDfDJ5CMppYCoGNAzxnoczS4Q f/7hQWhX41/Ad3IFmPLFSuI0y4LiWXASitLrz1FwTBlP9FRQJsfSKMWtlc/LtEY9zqd305A b9HyML+8Jtn5amQRfbY/AERYR3IOJRHbvYARa7nDanxNv3uSieIr7WD2Tm2VzkTnzDWBVQB tVYxyPls9z9DqqjXNs0s689Sabj0ZpveEPrDtGeC6jco6gJ8VbAcQfxzgORhqdua0sVqAFC Ppma8JSPB60tM1MHzCtNlNfeSyMD173HgFSWAkB X-QQ-GoodBg: 2 From: Jiawen Wu To: dev@dpdk.org Cc: Jiawen Wu Date: Tue, 1 Sep 2020 19:51:12 +0800 Message-Id: <20200901115113.1529675-41-jiawenwu@trustnetic.com> X-Mailer: git-send-email 2.18.4 In-Reply-To: <20200901115113.1529675-1-jiawenwu@trustnetic.com> References: <20200901115113.1529675-1-jiawenwu@trustnetic.com> X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:trustnetic.com:qybgforeign:qybgforeign6 X-QQ-Bgrelay: 1 Subject: [dpdk-dev] [PATCH v1 41/42] net/txgbe: add MTU set operation 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 MTU set operation. Signed-off-by: Jiawen Wu --- drivers/net/txgbe/base/txgbe_type.h | 2 ++ drivers/net/txgbe/txgbe_ethdev.c | 41 +++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+) diff --git a/drivers/net/txgbe/base/txgbe_type.h b/drivers/net/txgbe/base/txgbe_type.h index fcc44ece8..8d1a3a986 100644 --- a/drivers/net/txgbe/base/txgbe_type.h +++ b/drivers/net/txgbe/base/txgbe_type.h @@ -652,6 +652,8 @@ struct txgbe_hw { void IOMEM *isb_mem; u16 nb_rx_queues; u16 nb_tx_queues; + + u32 mode; enum txgbe_link_status { TXGBE_LINK_STATUS_NONE = 0, TXGBE_LINK_STATUS_KX, diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c index a2a8f2726..8a6b7e483 100644 --- a/drivers/net/txgbe/txgbe_ethdev.c +++ b/drivers/net/txgbe/txgbe_ethdev.c @@ -2744,6 +2744,46 @@ txgbe_set_default_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr) return 0; } +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. + */ + if (dev_data->dev_started && !dev_data->scattered_rx && + (frame_size + 2 * TXGBE_VLAN_TAG_SIZE > + dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)) { + PMD_INIT_LOG(ERR, "Stop port first."); + return -EINVAL; + } + + /* update max frame size */ + dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size; + + if (hw->mode) + wr32m(hw, TXGBE_FRMSZ, TXGBE_FRMSZ_MAX_MASK, + TXGBE_FRAME_SIZE_MAX); + else + wr32m(hw, TXGBE_FRMSZ, TXGBE_FRMSZ_MAX_MASK, + TXGBE_FRMSZ_MAX(dev->data->dev_conf.rxmode.max_rx_pkt_len)); + + return 0; +} + static int txgbe_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id) { @@ -3076,6 +3116,7 @@ static const struct eth_dev_ops txgbe_eth_dev_ops = { .fw_version_get = txgbe_fw_version_get, .dev_infos_get = txgbe_dev_info_get, .dev_supported_ptypes_get = txgbe_dev_supported_ptypes_get, + .mtu_set = txgbe_dev_mtu_set, .vlan_filter_set = txgbe_vlan_filter_set, .vlan_tpid_set = txgbe_vlan_tpid_set, .vlan_offload_set = txgbe_vlan_offload_set, -- 2.18.4