K 10
svn:author
V 7
pkelsey
K 8
svn:date
V 27
2019-01-22T01:11:17.629880Z
K 7
svn:log
V 365
onvert vmx(4) to being an iflib driver.

Also, expose IFLIB_MAX_RX_SEGS to iflib drivers and add
iflib_dma_alloc_align() to the iflib API.

Performance is generally better with the tunable/sysctl
dev.vmx.<index>.iflib.tx_abdicate=1.

Reviewed by:	shurd
MFC after:	1 week
Relnotes:	yes
Sponsored by:	RG Nets
Differential Revision:	https://reviews.freebsd.org/D18761

END