i40e: Limit DCB FW version checks to X710/XL710 devices

X710/XL710 devices require FW version checks to properly handle DCB
configurations from the FW.  Newer devices do not, so limit these checks
to X710/XL710.

Signed-off-by: Greg Bowers <gregory.j.bowers@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb.c b/drivers/net/ethernet/intel/i40e/i40e_dcb.c
index 2691277..582daa7 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_dcb.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_dcb.c
@@ -814,13 +814,15 @@ i40e_status i40e_get_dcb_config(struct i40e_hw *hw)
        struct i40e_aqc_get_cee_dcb_cfg_resp cee_cfg;
        struct i40e_aqc_get_cee_dcb_cfg_v1_resp cee_v1_cfg;
 
-       /* If Firmware version < v4.33 IEEE only */
-       if (((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver < 33)) ||
-           (hw->aq.fw_maj_ver < 4))
+       /* If Firmware version < v4.33 on X710/XL710, IEEE only */
+       if ((hw->mac.type == I40E_MAC_XL710) &&
+           (((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver < 33)) ||
+             (hw->aq.fw_maj_ver < 4)))
                return i40e_get_ieee_dcb_config(hw);
 
-       /* If Firmware version == v4.33 use old CEE struct */
-       if ((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver == 33)) {
+       /* If Firmware version == v4.33 on X710/XL710, use old CEE struct */
+       if ((hw->mac.type == I40E_MAC_XL710) &&
+           ((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver == 33))) {
                ret = i40e_aq_get_cee_dcb_config(hw, &cee_v1_cfg,
                                                 sizeof(cee_v1_cfg), NULL);
                if (!ret) {