ixgbe: fix bug when EITR=0 causing no writebacks

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writebacks can be held indefinitely by hardware if EITR=0, when
combined with TXDCTL.WTHRESH=8.  When EITR=0, WTHRESH should be
set back to zero.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jesse Brandeburg 2010-04-27 01:37:41 +00:00 • committed by David S. Miller

parent f8d1dcaf88

commit ef021194d2

2 changed files with 26 additions and 14 deletions

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31

drivers/net/ixgbe/ixgbe_ethtool.c

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9

drivers/net/ixgbe/ixgbe_main.c

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