K 10
svn:author
V 5
markj
K 8
svn:date
V 27
2016-02-25T20:12:05.401675Z
K 7
svn:log
V 359
Lock the NDP default router list and count defrouter references.

This addresses a number of race conditions that can cause crashes as a
result of unsynchronized access to the list.

PR:		206904
Tested by:	Larry Rosenman <ler@lerctr.org>,
		Kevin Bowling <kevin.bowling@kev009.com>
MFC after:	2 months
Differential Revision: https://reviews.freebsd.org/D5315

END