From: Huisong Li Date: Tue, 13 Apr 2021 13:47:19 +0000 (+0800) Subject: net/hns3: support fixed link speed X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=400d307e1a60;p=dpdk.git net/hns3: support fixed link speed This patch adds the configuration of fixed speed for the PF device. Signed-off-by: Huisong Li Signed-off-by: Min Hu (Connor) --- diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c index 520a56e868..1832d2676c 100644 --- a/drivers/net/hns3/hns3_ethdev.c +++ b/drivers/net/hns3/hns3_ethdev.c @@ -2473,12 +2473,6 @@ hns3_dev_configure(struct rte_eth_dev *dev) } hw->adapter_state = HNS3_NIC_CONFIGURING; - if (conf->link_speeds & ETH_LINK_SPEED_FIXED) { - hns3_err(hw, "setting link speed/duplex not supported"); - ret = -EINVAL; - goto cfg_err; - } - if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG) { ret = hns3_check_dcb_cfg(dev); if (ret) @@ -5271,6 +5265,130 @@ hns3_uninit_pf(struct rte_eth_dev *eth_dev) hw->io_base = NULL; } +static uint32_t +hns3_convert_link_speeds2bitmap_copper(uint32_t link_speeds) +{ + uint32_t speed_bit; + + switch (link_speeds & ~ETH_LINK_SPEED_FIXED) { + case ETH_LINK_SPEED_10M: + speed_bit = HNS3_PHY_LINK_SPEED_10M_BIT; + break; + case ETH_LINK_SPEED_10M_HD: + speed_bit = HNS3_PHY_LINK_SPEED_10M_HD_BIT; + break; + case ETH_LINK_SPEED_100M: + speed_bit = HNS3_PHY_LINK_SPEED_100M_BIT; + break; + case ETH_LINK_SPEED_100M_HD: + speed_bit = HNS3_PHY_LINK_SPEED_100M_HD_BIT; + break; + case ETH_LINK_SPEED_1G: + speed_bit = HNS3_PHY_LINK_SPEED_1000M_BIT; + break; + default: + speed_bit = 0; + break; + } + + return speed_bit; +} + +static uint32_t +hns3_convert_link_speeds2bitmap_fiber(uint32_t link_speeds) +{ + uint32_t speed_bit; + + switch (link_speeds & ~ETH_LINK_SPEED_FIXED) { + case ETH_LINK_SPEED_1G: + speed_bit = HNS3_FIBER_LINK_SPEED_1G_BIT; + break; + case ETH_LINK_SPEED_10G: + speed_bit = HNS3_FIBER_LINK_SPEED_10G_BIT; + break; + case ETH_LINK_SPEED_25G: + speed_bit = HNS3_FIBER_LINK_SPEED_25G_BIT; + break; + case ETH_LINK_SPEED_40G: + speed_bit = HNS3_FIBER_LINK_SPEED_40G_BIT; + break; + case ETH_LINK_SPEED_50G: + speed_bit = HNS3_FIBER_LINK_SPEED_50G_BIT; + break; + case ETH_LINK_SPEED_100G: + speed_bit = HNS3_FIBER_LINK_SPEED_100G_BIT; + break; + case ETH_LINK_SPEED_200G: + speed_bit = HNS3_FIBER_LINK_SPEED_200G_BIT; + break; + default: + speed_bit = 0; + break; + } + + return speed_bit; +} + +static int +hns3_check_port_speed(struct hns3_hw *hw, uint32_t link_speeds) +{ + struct hns3_mac *mac = &hw->mac; + uint32_t supported_speed = mac->supported_speed; + uint32_t speed_bit = 0; + + if (mac->media_type == HNS3_MEDIA_TYPE_COPPER) + speed_bit = hns3_convert_link_speeds2bitmap_copper(link_speeds); + else if (mac->media_type == HNS3_MEDIA_TYPE_FIBER) + speed_bit = hns3_convert_link_speeds2bitmap_fiber(link_speeds); + + if (!(speed_bit & supported_speed)) { + hns3_err(hw, "link_speeds(0x%x) exceeds the supported speed capability or is incorrect.", + link_speeds); + return -EINVAL; + } + + return 0; +} + +static inline uint32_t +hns3_get_link_speed(uint32_t link_speeds) +{ + uint32_t speed = ETH_SPEED_NUM_NONE; + + if (link_speeds & ETH_LINK_SPEED_10M || + link_speeds & ETH_LINK_SPEED_10M_HD) + speed = ETH_SPEED_NUM_10M; + if (link_speeds & ETH_LINK_SPEED_100M || + link_speeds & ETH_LINK_SPEED_100M_HD) + speed = ETH_SPEED_NUM_100M; + if (link_speeds & ETH_LINK_SPEED_1G) + speed = ETH_SPEED_NUM_1G; + if (link_speeds & ETH_LINK_SPEED_10G) + speed = ETH_SPEED_NUM_10G; + if (link_speeds & ETH_LINK_SPEED_25G) + speed = ETH_SPEED_NUM_25G; + if (link_speeds & ETH_LINK_SPEED_40G) + speed = ETH_SPEED_NUM_40G; + if (link_speeds & ETH_LINK_SPEED_50G) + speed = ETH_SPEED_NUM_50G; + if (link_speeds & ETH_LINK_SPEED_100G) + speed = ETH_SPEED_NUM_100G; + if (link_speeds & ETH_LINK_SPEED_200G) + speed = ETH_SPEED_NUM_200G; + + return speed; +} + +static uint8_t +hns3_get_link_duplex(uint32_t link_speeds) +{ + if ((link_speeds & ETH_LINK_SPEED_10M_HD) || + (link_speeds & ETH_LINK_SPEED_100M_HD)) + return ETH_LINK_HALF_DUPLEX; + else + return ETH_LINK_FULL_DUPLEX; +} + static int hns3_set_copper_port_link_speed(struct hns3_hw *hw, struct hns3_set_link_speed_cfg *cfg) @@ -5298,6 +5416,9 @@ hns3_set_copper_port_link_speed(struct hns3_hw *hw, HNS3_PHY_LINK_SPEED_100M_BIT | HNS3_PHY_LINK_SPEED_100M_HD_BIT | HNS3_PHY_LINK_SPEED_1000M_BIT; + } else { + req->speed = cfg->speed; + req->duplex = cfg->duplex; } return hns3_cmd_send(hw, desc, HNS3_PHY_PARAM_CFG_BD_NUM); @@ -5358,7 +5479,7 @@ hns3_set_fiber_port_link_speed(struct hns3_hw *hw, return 0; } - return 0; + return hns3_cfg_mac_speed_dup(hw, cfg->speed, cfg->duplex); } static int @@ -5397,13 +5518,18 @@ hns3_apply_link_speed(struct hns3_hw *hw) { struct rte_eth_conf *conf = &hw->data->dev_conf; struct hns3_set_link_speed_cfg cfg; + int ret; memset(&cfg, 0, sizeof(struct hns3_set_link_speed_cfg)); cfg.autoneg = (conf->link_speeds == ETH_LINK_SPEED_AUTONEG) ? ETH_LINK_AUTONEG : ETH_LINK_FIXED; if (cfg.autoneg != ETH_LINK_AUTONEG) { - hns3_err(hw, "device doesn't support to force link speed."); - return -EOPNOTSUPP; + ret = hns3_check_port_speed(hw, conf->link_speeds); + if (ret) + return ret; + + cfg.speed = hns3_get_link_speed(conf->link_speeds); + cfg.duplex = hns3_get_link_duplex(conf->link_speeds); } return hns3_set_port_link_speed(hw, &cfg);