K 10
svn:author
V 6
adrian
K 8
svn:date
V 27
2016-11-19T02:00:24.625583Z
K 7
svn:log
V 517
[net80211] handle hardware encryption offload in the receive path

* teach the crypto modules about receive offload - although I have
  to do some further reviewing in places where we /can't/ have an RX key
* teach the RX data path about receive offload encryption - check the flag,
  handle NULL key, do decap and checking as appropriate.

Tested:

* iwn(4), STA mode
* ath(4), STA and AP mode
* ath10k port, STA mode (hardware encryption)

Reviewed by:	avos
Differential Revision:	https://reviews.freebsd.org/D8533

END