thompsa dc83783f40 Add if_bridge, which provides more advanced Ethernet bridging and 802.1d
spanning tree support.

Based on Jason Wright's bridge driver from OpenBSD, and modified by Jason R.
Thorpe in NetBSD.

Reviewed by:	mlaier, bms, green
Silence from:	-net
Approved by:	mlaier (mentor)
Obtained from:	NetBSD
2005-06-05 02:59:26 +00:00
..
2005-05-28 21:56:41 +00:00
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