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Commit a27416bb authored by Matthew Vick's avatar Matthew Vick Committed by Jeff Kirsher
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igb: Force flow control off during reset when forcing speed. 



During igb_reset(), we initiate a hardware reset which will clear our
flow control settings. For auto-negotiation, we re-negotiate them when
linking up again, but we need to force them off properly for the forced
speed case.

Signed-off-by: default avatarMatthew Vick <matthew.vick@intel.com>
Tested-by: default avatarAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent bdc125f7

drivers/net/ethernet/intel/igb/igb_main.c

+7 −0
Original line number Diff line number Diff line
@@ -1715,6 +1715,13 @@ void igb_reset(struct igb_adapter *adapter) 
	if (hw->mac.ops.init_hw(hw))

		dev_err(&pdev->dev, "Hardware Error\n");



	/*

	 * Flow control settings reset on hardware reset, so guarantee flow

	 * control is off when forcing speed.

	 */

	if (!hw->mac.autoneg)

		igb_force_mac_fc(hw);



	igb_init_dmac(adapter, pba);

	if (!netif_running(adapter->netdev))

		igb_power_down_link(adapter);