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-rw-r--r--net/ipv4/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 20f1cb5c8aba..5a19aeb86094 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -310,6 +310,17 @@ config SYN_COOKIES
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