[IPV6] NDISC: Don't rely on node-type hint from L2 unless required.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index 47263e4..7d2e7f0 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -168,6 +168,7 @@
tristate "IPv6: IPv6-in-IPv4 tunnel (SIT driver)"
depends on IPV6
select INET_TUNNEL
+ select IPV6_NDISC_NODETYPE
default y
---help---
Tunneling means encapsulating data of one protocol type within
@@ -178,6 +179,9 @@
Saying M here will produce a module called sit.ko. If unsure, say Y.
+config IPV6_NDISC_NODETYPE
+ bool
+
config IPV6_TUNNEL
tristate "IPv6: IP-in-IPv6 tunnel (RFC2473)"
select INET6_TUNNEL