1 files changed, 23 insertions, 3 deletions

diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index ab7a9124f985..e6f83b6a2b76 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -6,8 +6,6 @@
 config IPV6
         tristate "The IPv6 protocol"
         default m
-        select CRYPTO if IPV6_PRIVACY
-        select CRYPTO_MD5 if IPV6_PRIVACY
         ---help---
           This is complemental support for the IP version 6.
           You will still be able to do traditional IPv4 networking as well.
@@ -22,7 +20,7 @@ config IPV6
           module will be called ipv6.
 
 config IPV6_PRIVACY
-        bool "IPv6: Privacy Extensions (RFC 3041) support"
+        bool "IPv6: Privacy Extensions support"
         depends on IPV6
         ---help---
           Privacy Extensions for Stateless Address Autoconfiguration in IPv6
@@ -30,6 +28,9 @@ config IPV6_PRIVACY
           pseudo-random global-scope unicast address(es) will assigned to
           your interface(s).
         
+          We use our standard pseudo random algorithm to generate randomized
+          interface identifier, instead of one described in RFC 3041.
+
           By default, kernel do not generate temporary addresses.
           To use temporary addresses, do
         
@@ -37,6 +38,25 @@ config IPV6_PRIVACY
 
           See <file:Documentation/networking/ip-sysctl.txt> for details.
 
+config IPV6_ROUTER_PREF
+        bool "IPv6: Router Preference (RFC 4191) support"
+        depends on IPV6
+        ---help---
+          Router Preference is an optional extension to the Router
+          Advertisement message to improve the ability of hosts
+          to pick more appropriate router, especially when the hosts
+          is placed in a multi-homed network.
+
+          If unsure, say N.
+
+config IPV6_ROUTE_INFO
+        bool "IPv6: Route Information (RFC 4191) support (EXPERIMENTAL)"
+        depends on IPV6_ROUTER_PREF && EXPERIMENTAL
+        ---help---
+          This is experimental support of Route Information.
+
+          If unsure, say N.
+
 config INET6_AH
         tristate "IPv6: AH transformation"
         depends on IPV6