net/ixgbe: check firmware status at init

Check the firmware status at init time. If the firmware is in
recovery mode, alert the user to check it.

Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 4c3f9a9..a42bb0e 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1118,6 +1118,14 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
                return -EIO;
        }
 
+       if (hw->mac.ops.fw_recovery_mode && hw->mac.ops.fw_recovery_mode(hw)) {
+               PMD_INIT_LOG(ERR, "\nERROR: "
+                       "Firmware recovery mode detected. Limiting functionality.\n"
+                       "Refer to the Intel(R) Ethernet Adapters and Devices "
+                       "User Guide for details on firmware recovery mode.");
+               return -EIO;
+       }
+
        /* pick up the PCI bus settings for reporting later */
        ixgbe_get_bus_info(hw);