net/hns3: move link speeds check to configure
authorHuisong Li <lihuisong@huawei.com>
Sat, 17 Apr 2021 09:54:59 +0000 (17:54 +0800)
committerFerruh Yigit <ferruh.yigit@intel.com>
Tue, 20 Apr 2021 00:40:43 +0000 (02:40 +0200)
This patch moves the check for "link_speeds" in dev_conf to
dev_configure, so that users know whether "link_speeds" is valid in
advance.

Fixes: bdaf190f8235 ("net/hns3: support link speed autoneg for PF")
Fixes: 400d307e1a60 ("net/hns3: support fixed link speed")

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

index 95be141..b29aab5 100644 (file)
@@ -105,6 +105,7 @@ static int hns3_remove_mc_addr(struct hns3_hw *hw,
 static int hns3_restore_fec(struct hns3_hw *hw);
 static int hns3_query_dev_fec_info(struct hns3_hw *hw);
 static int hns3_do_stop(struct hns3_adapter *hns);
+static int hns3_check_port_speed(struct hns3_hw *hw, uint32_t link_speeds);
 
 void hns3_ether_format_addr(char *buf, uint16_t size,
                            const struct rte_ether_addr *ether_addr)
@@ -2428,6 +2429,46 @@ hns3_refresh_mtu(struct rte_eth_dev *dev, struct rte_eth_conf *conf)
        return 0;
 }
 
+static int
+hns3_check_link_speed(struct hns3_hw *hw, uint32_t link_speeds)
+{
+       int ret;
+
+       /*
+        * Some hardware doesn't support auto-negotiation, but users may not
+        * configure link_speeds (default 0), which means auto-negotiation.
+        * In this case, a warning message need to be printed, instead of
+        * an error.
+        */
+       if (link_speeds == ETH_LINK_SPEED_AUTONEG &&
+           hw->mac.support_autoneg == 0) {
+               hns3_warn(hw, "auto-negotiation is not supported, use default fixed speed!");
+               return 0;
+       }
+
+       if (link_speeds != ETH_LINK_SPEED_AUTONEG) {
+               ret = hns3_check_port_speed(hw, link_speeds);
+               if (ret)
+                       return ret;
+       }
+
+       return 0;
+}
+
+static int
+hns3_check_dev_conf(struct rte_eth_dev *dev)
+{
+       struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct rte_eth_conf *conf = &dev->data->dev_conf;
+       int ret;
+
+       ret = hns3_check_mq_mode(dev);
+       if (ret)
+               return ret;
+
+       return hns3_check_link_speed(hw, conf->link_speeds);
+}
+
 static int
 hns3_dev_configure(struct rte_eth_dev *dev)
 {
@@ -2463,7 +2504,7 @@ hns3_dev_configure(struct rte_eth_dev *dev)
        }
 
        hw->adapter_state = HNS3_NIC_CONFIGURING;
-       ret = hns3_check_mq_mode(dev);
+       ret = hns3_check_dev_conf(dev);
        if (ret)
                goto cfg_err;
 
@@ -5464,14 +5505,11 @@ hns3_set_fiber_port_link_speed(struct hns3_hw *hw,
 
        /*
         * Some hardware doesn't support auto-negotiation, but users may not
-        * configure link_speeds (default 0), which means auto-negotiation
-        * In this case, a warning message need to be printed, instead of
-        * an error.
+        * configure link_speeds (default 0), which means auto-negotiation.
+        * In this case, it should return success.
         */
-       if (cfg->autoneg) {
-               hns3_warn(hw, "auto-negotiation is not supported.");
+       if (cfg->autoneg)
                return 0;
-       }
 
        return hns3_cfg_mac_speed_dup(hw, cfg->speed, cfg->duplex);
 }
@@ -5512,16 +5550,11 @@ 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) {
-               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);
        }