net/ipv4: VTI support new module for ip_vti.
New VTI tunnel kernel module, Kconfig and Makefile changes.
Signed-off-by: Saurabh Mohan <saurabh.mohan@vyatta.com>
Reviewed-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 20f1cb5..5a19aeb 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -310,6 +310,17 @@
If unsure, say N.
+config NET_IPVTI
+ tristate "Virtual (secure) IP: tunneling"
+ select INET_TUNNEL
+ depends on INET_XFRM_MODE_TUNNEL
+ ---help---
+ Tunneling means encapsulating data of one protocol type within
+ another protocol and sending it over a channel that understands the
+ encapsulating protocol. This can be used with xfrm mode tunnel to give
+ the notion of a secure tunnel for IPSEC and then use routing protocol
+ on top.
+
config INET_AH
tristate "IP: AH transformation"
select XFRM_ALGO