tree 0f8734c90f642c230e706eb35600b84f8f0618d2
parent 5bb869d07e48aa3b89e431d0541a63b233b9fd84
author Jeremy Kerr <jk@ozlabs.org> 1456397761 +0800
committer Jeremy Kerr <jk@ozlabs.org> 1456398515 +0800

Fix packet buffer management

The current inarp code keeps a large array ("buffer"), and casts this
to a struct arp_request when parsing.

There's no need for the buffer; just use a struct arp_request directly.

We also just pass the maximum size to recvmsg, and ensure that we
have enough data for a full arp request.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>