Disable router anycast address for /127 prefixes
authorBjørn Mork <bjorn@mork.no>
Tue, 5 Jul 2011 23:04:13 +0000 (23:04 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 7 Jul 2011 11:15:10 +0000 (04:15 -0700)
commit2bda8a0c8af5294b869da1efd2c2b9a562f50dcf
tree730583db2a4266ab31507678377c458d087903c6
parentfa366124ef3aab35e378ae141f379c133d839943
Disable router anycast address for /127 prefixes

RFC 6164 requires that routers MUST disable Subnet-Router anycast
for the prefix when /127 prefixes are used.

No need for matching code in addrconf_leave_anycast() as it
will silently ignore any attempt to leave an unknown anycast
address.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/addrconf.c