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ice: Fix dead device link issue with flow control

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[ Upstream commit 0f5d4c21a5 ]

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>
This commit is contained in:
Akeem G Abodunrin
2018-10-26 10:40:52 -07:00
committed by Greg Kroah-Hartman
parent 7934a53924
commit 9d977cd15a
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ethernet/intel/ice/ice_ethtool.c
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@@ -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;