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ixgbe: Do not support flow control autonegotiation for X553

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Flow control autonegotiation is not supported for fiber on X553.  Add
device ID checks in ixgbe_device_supports_autoneg_fc() to return the
appropriate value.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Tony Nguyen 2017-06-07 14:36:20 -07:00 • committed by Jeff Kirsher
parent 48301cf22f
commit ae84dbf7ff
1 changed files with 19 additions and 6 deletions

25
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
View file

@ -79,13 +79,22 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
switch (hw->phy.media_type) {
case ixgbe_media_type_fiber:
hw->mac.ops.check_link(hw, &speed, &link_up, false);
/* if link is down, assume supported */
if (link_up)
supported = speed == IXGBE_LINK_SPEED_1GB_FULL ?
/* flow control autoneg black list */
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_A_SFP:
case IXGBE_DEV_ID_X550EM_A_SFP_N:
supported = false;
break;
default:
hw->mac.ops.check_link(hw, &speed, &link_up, false);
/* if link is down, assume supported */
if (link_up)
supported = speed == IXGBE_LINK_SPEED_1GB_FULL ?
true : false;
else
supported = true;
else
supported = true;
}
break;
case ixgbe_media_type_backplane:
supported = true;
@ -111,6 +120,10 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
break;
}
if (!supported)
hw_dbg(hw, "Device %x does not support flow control autoneg\n",
hw->device_id);
return supported;
}