From c12b395a46646bab69089ce7016ac78177f6001f Mon Sep 17 00:00:00 2001
From: "xeb@mail.ru" <xeb@mail.ru>
Date: Fri, 10 Aug 2012 00:51:50 +0000
Subject: gre: Support GRE over IPv6
GRE over IPv6 implementation.
Signed-off-by: Dmitry Kozlov <xeb@mail.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv6/Kconfig | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
(limited to 'net/ipv6/Kconfig')
diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index 5728695b5449..4f7fe7270e37 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -201,6 +201,22 @@ config IPV6_TUNNEL
If unsure, say N.
+config IPV6_GRE
+ tristate "IPv6: GRE tunnel"
+ select IPV6_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 particular tunneling driver implements
+ GRE (Generic Routing Encapsulation) and at this time allows
+ encapsulating of IPv4 or IPv6 over existing IPv6 infrastructure.
+ This driver is useful if the other endpoint is a Cisco router: Cisco
+ likes GRE much better than the other Linux tunneling driver ("IP
+ tunneling" above). In addition, GRE allows multicast redistribution
+ through the tunnel.
+
+ Saying M here will produce a module called ip6_gre. If unsure, say N.
+
config IPV6_MULTIPLE_TABLES
bool "IPv6: Multiple Routing Tables"
depends on EXPERIMENTAL
--
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