i40e: warn on newer/older firmware API rev

If the firmware's API minor number is larger than the one expected, log
a warning and recommend driver SW update.
If the firmware's API major or minor number is smaller then the one expected
(n for major, n or n-1 for minor), log a warning and recommend NVM update.

Change-ID: If0b887e055478f8e435ba7fa28113b63a6f1bb35
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 80c5d55cf50b..4289ff1e84ef 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -8633,6 +8633,20 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 goto err_pf_reset;
         }
 
+        if (hw->aq.api_min_ver > I40E_FW_API_VERSION_MINOR)
+                dev_info(&pdev->dev,
+                         "Note: FW API version %02x.%02x newer than expected %02x.%02x, recommend driver update.\n",
+                         hw->aq.api_maj_ver, hw->aq.api_min_ver,
+                         I40E_FW_API_VERSION_MAJOR, I40E_FW_API_VERSION_MINOR);
+
+        if (hw->aq.api_maj_ver < I40E_FW_API_VERSION_MAJOR ||
+            hw->aq.api_min_ver < (I40E_FW_API_VERSION_MINOR-1))
+                dev_info(&pdev->dev,
+                         "Note: FW API version %02x.%02x older than expected %02x.%02x, recommend nvm update.\n",
+                         hw->aq.api_maj_ver, hw->aq.api_min_ver,
+                         I40E_FW_API_VERSION_MAJOR, I40E_FW_API_VERSION_MINOR);
+
+
         i40e_verify_eeprom(pf);
 
         /* Rev 0 hardware was never productized */