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 C702EA04B7; Wed, 14 Oct 2020 08:14:28 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 4E6111DD6A; Wed, 14 Oct 2020 07:55:37 +0200 (CEST) Received: from smtpbgau1.qq.com (smtpbgau1.qq.com [54.206.16.166]) by dpdk.org (Postfix) with ESMTP id 6FCEE1DBBD for ; Wed, 14 Oct 2020 07:55:07 +0200 (CEST) X-QQ-mid: bizesmtp28t1602654901tng8v8ad Received: from localhost.localdomain.com (unknown [183.129.236.74]) by esmtp10.qq.com (ESMTP) with id ; Wed, 14 Oct 2020 13:55:01 +0800 (CST) X-QQ-SSF: 01400000000000C0C000B00A0000000 X-QQ-FEAT: zAs7CzySJszOt+SDU3wPLX25E7ZcpQelwf+uzBW9KY8/dowM2fuc0CjlBi7dv K7rH8oIZY8jJSklVRObf8CdCAPpaZ9h/1byVCUnvRlii0N3ZhaBxuQdGN+O6blc2CEeCRjm GmtChgbvFDFs3a+u1LQ9Uf/mZzcnoOHKCtQpaAeShUZrPLf5RWALRnSZPURvv+dk7vrN2IO s5oKbMpbsZtcpbU23Mot+XPJyQYmHNP7uUbPl0uwmwRSk631qUMGZ2R02WeLq2fpP10IYaz q4vVA3rupNF/lUTw1XvrJlJv1slMi/CBCM6l+02CDSW1RwyhUXQfBZbk3edjy+bSn1fvZaJ iQmNJwl7U6DY1qDNM+Tp0w0vlQuCA== X-QQ-GoodBg: 2 From: Jiawen Wu To: dev@dpdk.org Cc: Jiawen Wu Date: Wed, 14 Oct 2020 13:55:09 +0800 Message-Id: <20201014055517.1214386-49-jiawenwu@trustnetic.com> X-Mailer: git-send-email 2.18.4 In-Reply-To: <20201014055517.1214386-1-jiawenwu@trustnetic.com> References: <20201014055517.1214386-1-jiawenwu@trustnetic.com> X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:trustnetic.com:qybgforeign:qybgforeign6 X-QQ-Bgrelay: 1 Subject: [dpdk-dev] [PATCH v3 48/56] 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 --- doc/guides/nics/features/txgbe.ini | 1 + drivers/net/txgbe/base/txgbe_type.h | 2 ++ drivers/net/txgbe/txgbe_ethdev.c | 41 +++++++++++++++++++++++++++++ 3 files changed, 44 insertions(+) diff --git a/doc/guides/nics/features/txgbe.ini b/doc/guides/nics/features/txgbe.ini index 34f8985d5..13ee26aaa 100644 --- a/doc/guides/nics/features/txgbe.ini +++ b/doc/guides/nics/features/txgbe.ini @@ -9,6 +9,7 @@ Link status = Y Link status event = Y Rx interrupt = Y Queue start/stop = Y +MTU update = Y Jumbo frame = Y Scattered Rx = Y LRO = Y diff --git a/drivers/net/txgbe/base/txgbe_type.h b/drivers/net/txgbe/base/txgbe_type.h index d851648de..ac36cb22d 100644 --- a/drivers/net/txgbe/base/txgbe_type.h +++ b/drivers/net/txgbe/base/txgbe_type.h @@ -673,6 +673,8 @@ 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 9547938d0..5b0a5e7e7 100644 --- a/drivers/net/txgbe/txgbe_ethdev.c +++ b/drivers/net/txgbe/txgbe_ethdev.c @@ -3027,6 +3027,46 @@ 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(frame_size)); + + return 0; +} + static uint32_t txgbe_uta_vector(struct txgbe_hw *hw, struct rte_ether_addr *uc_addr) { @@ -3387,6 +3427,7 @@ static const struct eth_dev_ops txgbe_eth_dev_ops = { .xstats_get_names_by_id = txgbe_dev_xstats_get_names_by_id, .queue_stats_mapping_set = txgbe_dev_queue_stats_mapping_set, .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