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ice: Fix dead device link issue with flow control

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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>
This commit is contained in:
Akeem G Abodunrin
2018-10-26 10:40:52 -07:00
committed by Jeff Kirsher
parent afd9d4ab58
commit 0f5d4c21a5
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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@@ -1517,10 +1517,15 @@ ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
} }
if (!test_bit(__ICE_DOWN, pf->state)) { 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); msleep(75);
if (!test_bit(__ICE_DOWN, pf->state)) if (!test_bit(__ICE_DOWN, pf->state))
return ice_nway_reset(netdev); return ice_nway_reset(netdev);
ice_down(vsi);
ice_up(vsi);
} }
return err; return err;