Damien Bergamini ca5b70c4fa Be more robust when handling Rx interrupts. If we can't allocate and DMA map
a new mbuf, just discard the received frame and reuse the old mbuf.
This should fix kernel panics on high network traffic.

MFC after:	2 weeks
2005-11-13 17:19:12 +00:00
..
2005-09-21 22:45:14 +00:00