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Commit ae84dbf7 authored by Tony Nguyen's avatar Tony Nguyen Committed by Jeff Kirsher
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ixgbe: Do not support flow control autonegotiation for X553 



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: default avatarTony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: default avatarEmil Tantilov <emil.s.tantilov@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 48301cf2

drivers/net/ethernet/intel/ixgbe/ixgbe_common.c

+19 −6
Original line number Diff line number Diff line
@@ -79,6 +79,13 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw) 


	switch (hw->phy.media_type) {

	case ixgbe_media_type_fiber:

		/* 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)
@@ -86,6 +93,8 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw) 
				true : false;

			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;

}