Commit 9d977cd1 authored Oct 26, 2018 by Akeem G Abodunrin Committed by Greg Kroah-Hartman Nov 27, 2018

ice: Fix dead device link issue with flow control



[ Upstream commit 0f5d4c21a50716f8bd4e220544b82dca7408d113 ]

Setting Rx or Tx pause parameter currently results in link loss on the
interface, requiring the platform/host to be cold power cycled. Fix it.

Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 7934a539

drivers/net/ethernet/intel/ice/ice_ethtool.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -797,10 +797,15 @@ ice_set_pauseparam(struct net_device netdev, struct ethtool_pauseparam pause)
		}

		if (!test_bit(__ICE_DOWN, pf->state)) {
		/* Give it a little more time to try to come back */
		/* Give it a little more time to try to come back. If still
		* down, restart autoneg link or reinitialize the interface.
		*/
		msleep(75);
		if (!test_bit(__ICE_DOWN, pf->state))
		return ice_nway_reset(netdev);

		ice_down(vsi);
		ice_up(vsi);
		}

		return err;