[S8,03/16] ice: Fix dead device link issue with flow control
diff mbox series

Message ID 20181026174105.11628-4-anirudh.venkataramanan@intel.com
State Accepted
Delegated to: Jeff Kirsher
Headers show
Series
  • Bug fixes for ice, set 1/2
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Commit Message

Anirudh Venkataramanan Oct. 26, 2018, 5:40 p.m. UTC
From: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>

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>
---
[Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> rewrote commit message]
---
 drivers/net/ethernet/intel/ice/ice_ethtool.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

Comments

Bowers, AndrewX Oct. 30, 2018, 9:55 p.m. UTC | #1
> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces@osuosl.org] On
> Behalf Of Anirudh Venkataramanan
> Sent: Friday, October 26, 2018 10:41 AM
> To: intel-wired-lan@lists.osuosl.org
> Subject: [Intel-wired-lan] [PATCH S8 03/16] ice: Fix dead device link issue
> with flow control
> 
> From: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
> 
> 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>
> ---
> [Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> rewrote
> commit message]
> ---
>  drivers/net/ethernet/intel/ice/ice_ethtool.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)

Tested-by: Andrew Bowers <andrewx.bowers@intel.com>

Patch
diff mbox series

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;