K 10
svn:author
V 4
avos
K 8
svn:date
V 27
2018-03-09T11:33:56.516639Z
K 7
svn:log
V 330
net80211: wrap protection frame allocation into ieee80211_alloc_prot()

Move copy-pasted code for RTS/CTS frame allocation into net80211.
While here, add stat / debug message for allocation failures
(copied from run(4)) + return error here in bwn(4).

Reviewed by:	adrian
Differential Revision:	https://reviews.freebsd.org/D14628

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