net/i40e: support MAC loopback

[dpdk.git] / drivers / net / i40e / i40e_ethdev.c

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 0bb1af7..6a0d77d 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -2019,6 +2019,16 @@ i40e_dev_start(struct rte_eth_dev *dev)
                }
        }
 
+       /* Enable mac loopback mode */
+       if (dev->data->dev_conf.lpbk_mode == I40E_AQ_LB_MODE_NONE ||
+           dev->data->dev_conf.lpbk_mode == I40E_AQ_LB_PHY_LOCAL) {
+               ret = i40e_aq_set_lb_modes(hw, dev->data->dev_conf.lpbk_mode, NULL);
+               if (ret != I40E_SUCCESS) {
+                       PMD_DRV_LOG(ERR, "fail to set loopback link");
+                       goto err_up;
+               }
+       }
+
        /* Apply link configure */
        if (dev->data->dev_conf.link_speeds & ~(ETH_LINK_SPEED_100M |
                                ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |