Adrian Chadd 1eccf20376 [iwm] Use mbuf for large firmware commands, like OpenBSD does.
We also need to consider the size of large firmware commands in iwm_alloc_tx_ring(),
in the dma tag creation, when qid == IWM_MVM_CMD_QUEUE. The old code apparently
only allocated a 2KB (MCLBYTES) sized buffer when it actually expected 4KB.

Submitted by:	Imre Vadasz <imre@vdsz.com>
Approved by:	re (gjb)
Differential Revision:	https://reviews.freebsd.org/D6824
2016-06-23 01:13:30 +00:00
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