K 10
svn:author
V 7
attilio
K 8
svn:date
V 27
2010-10-08T10:42:16.721776Z
K 7
svn:log
V 491
Add the support for polling on ixgbe. It is mostly modelled on what
ixgb already does.

Small questions:
- does the IFF_DRV_RUNNING check might be kept unlocked? I can't find
  an uniform locking pattern for it looking around and it seems
  mostly unlocked.
- reading IXGBE_EICR and _LSC should be unlocked? It seems functions do
  this way.
- In case ixgbe_rxeof() returns 'more' should we schedule the taskqueue?
  ixgb polling doesn't do that, so I'd like to hear more opinion in return.

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