Adrian Chadd a10430e0a3 [ar531x] [if_are] Fix if_are behaviour under high load traffic
* use ifqmaxlen
* handle (inefficiently for now) meeting padding and alignment requirements for
  transmit mbufs.
* change how TX ring handling is done

Submitted by:	Hiroki Mori <yamori813@yahoo.co.jp>
Differential Revision:	https://reviews.freebsd.org/D10557
2017-05-06 06:06:11 +00:00
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