Merge branch 'hsr-next'

Arvid Brodin says:

====================
net/hsr: Use list_head+rcu, better frame dispatch, etc.

This patch series is meant to improve the HSR code in several ways:

* Better code readability.
* In general, make the code structure more like the net/bridge code (HSR
  operates similarly to a bridge, but uses the HSR-specific frame headers to
  break up rings, instead of the STP protocol).
* Better handling of HSR ports' net_device features.
* Use list_head and the _rcu list traversing routines instead of array of slave
  devices.
* Make it easy to support HSR Interlink devices (for future Redbox/Quadbox
  support).
* Somewhat better throughput on non-HAVE_EFFICIENT_UNALIGNED_ACCESS archs, due
  to lesser copying of skb data.

The code has been tested in a ring together with other HSR nodes running
unchanged code, on both avr32 and x86_64. There should only be one minor change
in behaviour from a user perspective:

* Anyone using the Netlink HSR_C_GET_NODE_LIST message to dump the internal
  node database will notice that the database now also contains the self node.

All patches pass 'checkpatch.pl --ignore CAMELCASE --max-line-length=83
--strict' with only CHECKs, each of which have been deliberately left in place.

The final code passes sparse checks with no output.
====================

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

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