net/hns3: support fixed link speed
authorHuisong Li <lihuisong@huawei.com>
Tue, 13 Apr 2021 13:47:19 +0000 (21:47 +0800)
committerFerruh Yigit <ferruh.yigit@intel.com>
Thu, 15 Apr 2021 00:55:04 +0000 (02:55 +0200)
This patch adds the configuration of fixed speed for the PF device.

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
drivers/net/hns3/hns3_ethdev.c

index 520a56e..1832d26 100644 (file)
@@ -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);