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svn:author
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sephe
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svn:date
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2016-02-26T09:29:50.305817Z
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V 284
hyperv/hn: Pass channel as the channel callback argument

This is the preamble to pass channel back to hn(4) upon TX/RX done.

Reviewed by:	Hongjiang Zhang <honzhan microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5452

END