Merge branch 'sunvnet-jumbograms'

Merge branch 'sunvnet-jumbograms'

David L Stevens says:

====================
sunvnet: add jumbo frames support

This patch set updates the sunvnet driver to version 1.6 of the VIO protocol
to support per-port exchange of MTU information and allow non-standard MTU
sizes, including jumbo frames.

Using large MTUs shows a nearly 5X throughput improvement Linux-Solaris
and > 10X throughput improvement Linux-Linux.

Changes from v8:
	-add a short timeout to free pending skbs if a new transmit doesn't
	 do it first per Dave Miller <davem@davemloft.net>
Changes from v7:
	-handle skb allocation failures in vnet_skb_shape()
	 per Dave Miller <davem@davemloft.net>
Changes from v6:
	-made kernel transmit path zero-copy to remove memory n^2 scaling issue
	 raised by Raghuram Kothakota <Raghuram.Kothakota@oracle.com>
Changes from v5:
	- fixed comment per Sowmini Varadhan <sowmini.varadhan@oracle.com>
Changes from v4:
	- changed VNET_MAXPACKET per David Laight <David.Laight@ACULAB.COM>
	- added cookies to support non-contiguous buffers of max size
Changes from v3:
	- added version functions per Dave Miller <davem@davemloft.net>
	- moved rmtu to vnet_port per Dave Miller <davem@davemloft.net>
	- explicitly set options bits and capability flags to 0 per
		Raghuram Kothakota <Raghuram.Kothakota@oracle.com>
Changes from v2:
	- make checkpatch clean
Changes from v1:
	- fix brace formatting per Dave Miller <davem@davemloft.net>
====================

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