config IPV6_SIT
tristate "IPv6: IPv6-in-IPv4 tunnel (SIT driver)"
select INET_TUNNEL
+ select NET_IP_TUNNEL
select IPV6_NDISC_NODETYPE
default y
---help---
config IPV6_GRE
tristate "IPv6: GRE tunnel"
select IPV6_TUNNEL
+ select NET_IP_TUNNEL
---help---
Tunneling means encapsulating data of one protocol type within
another protocol and sending it over a channel that understands the