Merge branch 'sunvnet-better-connection-management'

Merge branch 'sunvnet-better-connection-management'

Shannon Nelson says:

====================
sunvnet: better connection management

These patches remove some problems in handling of carrier state
with the ldmvsw vswitch, remove  an xoff misuse in sunvnet, and
add stats for debug and tracking of point-to-point connections
between the ldom VMs.

v2:
 - added ldmvsw ndo_open to reset the LDC channel
 - updated copyrights
====================

Signed-off-by: David S. Miller <davem@davemloft.net>