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authorAkeem G Abodunrin <akeem.g.abodunrin@intel.com>2018-10-26 10:40:52 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2018-11-06 12:46:47 -0800
commit0f5d4c21a50716f8bd4e220544b82dca7408d113 (patch)
tree753b8ac8ce8b883f89023c3406b8dd13565f099e /drivers
parentafd9d4ab58db20029a75cf82f23b6a5641cd7d6f (diff)
downloadlinux-0f5d4c21a50716f8bd4e220544b82dca7408d113.tar.bz2
ice: Fix dead device link issue with flow control
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ethtool.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 96923580f2a6..648acdb4c644 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -1517,10 +1517,15 @@ 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;