i40e: re-enable PTP L4 capabilities for XL710 if FW >6.0

Starting with XL710 FW 5.3 PTP L4 was disabled for XL710 due to a bug.  The
bug has since been resolved in XL710 FW >6.0 and PTP L4 can now be
re-enabled on those devices with updated firmware.

Signed-off-by: Alan Brady <alan.brady@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_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index d2bb4f1..85132ee 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -9074,6 +9074,11 @@ static int i40e_sw_init(struct i40e_pf *pf)
            (pf->hw.aq.fw_maj_ver >= 5)))
                pf->hw_features |= I40E_HW_USE_SET_LLDP_MIB;
 
+       /* Enable PTP L4 if FW > v6.0 */
+       if (pf->hw.mac.type == I40E_MAC_XL710 &&
+           pf->hw.aq.fw_maj_ver >= 6)
+               pf->hw_features |= I40E_HW_PTP_L4_CAPABLE;
+
        if (pf->hw.func_caps.vmdq) {
                pf->num_vmdq_vsis = I40E_DEFAULT_NUM_VMDQ_VSI;
                pf->flags |= I40E_FLAG_VMDQ_ENABLED;