[PATCH v3 03/16] net/zxdh: optimize link update process

[Junlong Wang]

optimize link update process.

Signed-off-by: Junlong Wang <wang.junlo...@zte.com.cn>
---
 drivers/net/zxdh/zxdh_ethdev_ops.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/drivers/net/zxdh/zxdh_ethdev_ops.c 
b/drivers/net/zxdh/zxdh_ethdev_ops.c
index eefecde823..0c92bd7c05 100644
--- a/drivers/net/zxdh/zxdh_ethdev_ops.c
+++ b/drivers/net/zxdh/zxdh_ethdev_ops.c
@@ -193,6 +193,7 @@ zxdh_link_info_get(struct rte_eth_dev *dev, struct 
rte_eth_link *link)
                        return -1;
                }
                link->link_speed = reply_info.reply_body.link_msg.speed;
+               link->link_autoneg = reply_info.reply_body.link_msg.autoneg;
                hw->speed_mode = reply_info.reply_body.link_msg.speed_modes;
                if ((reply_info.reply_body.link_msg.duplex & 
RTE_ETH_LINK_FULL_DUPLEX) ==
                                RTE_ETH_LINK_FULL_DUPLEX)
@@ -263,13 +264,22 @@ int32_t zxdh_dev_link_update(struct rte_eth_dev *dev, 
int32_t wait_to_complete _
                return ret;
        }
        link.link_status &= hw->admin_status;
-       if (link.link_status == RTE_ETH_LINK_DOWN)
-               link.link_speed  = RTE_ETH_SPEED_NUM_UNKNOWN;
-
-       ret = zxdh_config_port_status(dev, link.link_status);
-       if (ret != 0) {
-               PMD_DRV_LOG(ERR, "set port attr %d failed", link.link_status);
-               return ret;
+       if (link.link_status == RTE_ETH_LINK_DOWN) {
+               PMD_DRV_LOG(DEBUG, "dev link status is down.");
+               goto link_down;
+       }
+       goto out;
+
+link_down:
+       link.link_status = RTE_ETH_LINK_DOWN;
+       link.link_speed  = RTE_ETH_SPEED_NUM_UNKNOWN;
+out:
+       if (link.link_status != dev->data->dev_link.link_status) {
+               ret = zxdh_config_port_status(dev, link.link_status);
+               if (ret != 0) {
+                       PMD_DRV_LOG(ERR, "set port attr %d failed", 
link.link_status);
+                       return ret;
+               }
        }
        return rte_eth_linkstatus_set(dev, &link);
 }
-- 
2.27.0