net/i40e/base: support persistent LLDP

[dpdk.git] / drivers / net / i40e / base / i40e_dcb.c

diff --git a/drivers/net/i40e/base/i40e_dcb.c b/drivers/net/i40e/base/i40e_dcb.c
index f1465da..2ab5021 100644 (file)
--- a/drivers/net/i40e/base/i40e_dcb.c
+++ b/drivers/net/i40e/base/i40e_dcb.c
@@ -877,7 +877,25 @@ enum i40e_status_code i40e_init_dcb(struct i40e_hw *hw, bool enable_mib_change)
                return I40E_NOT_SUPPORTED;
 
        /* Read LLDP NVM area */
-       ret = i40e_read_lldp_cfg(hw, &lldp_cfg);
+       if (hw->flags & I40E_HW_FLAG_FW_LLDP_PERSISTENT) {
+               u8 offset = 0;
+
+               if (hw->mac.type == I40E_MAC_XL710)
+                       offset = I40E_LLDP_CURRENT_STATUS_XL710_OFFSET;
+               else if (hw->mac.type == I40E_MAC_X722)
+                       offset = I40E_LLDP_CURRENT_STATUS_X722_OFFSET;
+               else
+                       return I40E_NOT_SUPPORTED;
+
+               ret = i40e_read_nvm_module_data(hw,
+                                               I40E_SR_EMP_SR_SETTINGS_PTR,
+                                               offset,
+                                               I40E_LLDP_CURRENT_STATUS_OFFSET,
+                                               I40E_LLDP_CURRENT_STATUS_SIZE,
+                                               &lldp_cfg.adminstatus);
+       } else {
+               ret = i40e_read_lldp_cfg(hw, &lldp_cfg);
+       }
        if (ret)
                return I40E_ERR_NOT_READY;