| commit | 0a924578bc4a2823a95c151f56975c71f5c156bb | |
| author | Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> | |
| Thu, 30 Jul 2009 12:26:00 +0000 (30 12:26 +0000) | ||
| committer | David S. Miller <davem@davemloft.net> | |
| Fri, 31 Jul 2009 02:00:30 +0000 (30 19:00 -0700) | ||
| tree | 58af9e5303f5c5d552541290a5194b0d743cd1bd | treesnapshot (tar.gz zip) |
| parent | 0c19d6af9253f19b41821c29b9c49c2214f19425 | commitdiff |
ixgbe: Fix RSC completion delay causing Rx interrupts to stop
When a user disables interrupt throttling with ethtool on 82599 devices,
the interrupt timer may not be re-enabled if hardware RSC is running. The
RSC completions in hardware don't complete before the next ITR event tries
to fire, so the ITR timer never gets re-armed. This patch increases the
amount of time between interrupts when throttling is disabled (rx-usecs =
0) when the hardware RSC deature is enabled.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a user disables interrupt throttling with ethtool on 82599 devices,
the interrupt timer may not be re-enabled if hardware RSC is running. The
RSC completions in hardware don't complete before the next ITR event tries
to fire, so the ITR timer never gets re-armed. This patch increases the
amount of time between interrupts when throttling is disabled (rx-usecs =
0) when the hardware RSC deature is enabled.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| drivers/net/ixgbe/ixgbe.h | diffblobblamehistory | |
| drivers/net/ixgbe/ixgbe_ethtool.c | diffblobblamehistory |