net/bnxt: fix link handling and configuration

[dpdk.git] / drivers / net / bnxt / bnxt_ethdev.c

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index dc437b4..3b6813c 100644 (file)
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -146,6 +146,7 @@ static const struct rte_pci_id bnxt_pci_id_map[] = {
        ETH_RSS_NONFRAG_IPV6_UDP)
 
 static int bnxt_vlan_offload_set_op(struct rte_eth_dev *dev, int mask);
+static void bnxt_print_link_info(struct rte_eth_dev *eth_dev);
 
 /***********************/
 
@@ -370,6 +371,7 @@ static int bnxt_init_chip(struct bnxt *bp)
                        goto err_out;
                }
        }
+       bnxt_print_link_info(bp->eth_dev);
 
        return 0;
 
@@ -533,20 +535,6 @@ static int bnxt_dev_configure_op(struct rte_eth_dev *eth_dev)
        return 0;
 }
 
-static inline int
-rte_bnxt_atomic_write_link_status(struct rte_eth_dev *eth_dev,
-                               struct rte_eth_link *link)
-{
-       struct rte_eth_link *dst = &eth_dev->data->dev_link;
-       struct rte_eth_link *src = link;
-
-       if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
-                                       *(uint64_t *)src) == 0)
-               return 1;
-
-       return 0;
-}
-
 static void bnxt_print_link_info(struct rte_eth_dev *eth_dev)
 {
        struct rte_eth_link *link = &eth_dev->data->dev_link;
@@ -585,7 +573,7 @@ static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev)
        if (rc)
                goto error;
 
-       bnxt_link_update_op(eth_dev, 0);
+       bnxt_link_update_op(eth_dev, 1);
 
        if (eth_dev->data->dev_conf.rxmode.hw_vlan_filter)
                vlan_mask |= ETH_VLAN_FILTER_MASK;
@@ -607,9 +595,14 @@ error:
 static int bnxt_dev_set_link_up_op(struct rte_eth_dev *eth_dev)
 {
        struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
+       int rc = 0;
+
+       if (!bp->link_info.link_up)
+               rc = bnxt_set_hwrm_link_config(bp, true);
+       if (!rc)
+               eth_dev->data->dev_link.link_status = 1;
 
-       eth_dev->data->dev_link.link_status = 1;
-       bnxt_set_hwrm_link_config(bp, true);
+       bnxt_print_link_info(eth_dev);
        return 0;
 }
 
@@ -619,6 +612,8 @@ static int bnxt_dev_set_link_down_op(struct rte_eth_dev *eth_dev)
 
        eth_dev->data->dev_link.link_status = 0;
        bnxt_set_hwrm_link_config(bp, false);
+       bp->link_info.link_up = 0;
+
        return 0;
 }
 
@@ -760,7 +755,8 @@ out:
        /* Timed out or success */
        if (new.link_status != eth_dev->data->dev_link.link_status ||
        new.link_speed != eth_dev->data->dev_link.link_speed) {
-               rte_bnxt_atomic_write_link_status(eth_dev, &new);
+               memcpy(&eth_dev->data->dev_link, &new,
+                       sizeof(struct rte_eth_link));
                bnxt_print_link_info(eth_dev);
        }