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ipv6: Add support for IPsec virtual tunnel interfaces

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This patch adds IPv6  support for IPsec virtual tunnel interfaces
(vti). IPsec virtual tunnel interfaces provide a routable interface
for IPsec tunnel endpoints.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Steffen Klassert 2013-08-19 08:07:34 +02:00
parent 212e560112
commit ed1efb2aef
3 changed files with 1068 additions and 0 deletions
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11
net/ipv6/Kconfig
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@ -153,6 +153,17 @@ config INET6_XFRM_MODE_ROUTEOPTIMIZATION
---help---
Support for MIPv6 route optimization mode.
config IPV6_VTI
tristate "Virtual (secure) IPv6: tunneling"
select IPV6_TUNNEL
depends on INET6_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 IPV6_SIT
tristate "IPv6: IPv6-in-IPv4 tunnel (SIT driver)"
select INET_TUNNEL

1
net/ipv6/Makefile
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@ -36,6 +36,7 @@ obj-$(CONFIG_INET6_XFRM_MODE_BEET) += xfrm6_mode_beet.o
obj-$(CONFIG_IPV6_MIP6) += mip6.o
obj-$(CONFIG_NETFILTER) += netfilter/
obj-$(CONFIG_IPV6_VTI) += ip6_vti.o
obj-$(CONFIG_IPV6_SIT) += sit.o
obj-$(CONFIG_IPV6_TUNNEL) += ip6_tunnel.o
obj-$(CONFIG_IPV6_GRE) += ip6_gre.o

1056
net/ipv6/ip6_vti.c Normal file
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