1 files changed, 26 insertions, 0 deletions

diff --git a/net/xfrm/Kconfig b/net/xfrm/Kconfig
index 0faab6332586..577a4f821b98 100644
--- a/net/xfrm/Kconfig
+++ b/net/xfrm/Kconfig
@@ -24,6 +24,17 @@ config XFRM_SUB_POLICY
 
           If unsure, say N.
 
+config XFRM_MIGRATE
+        bool "Transformation migrate database (EXPERIMENTAL)"
+        depends on XFRM && EXPERIMENTAL
+        ---help---
+          A feature to update locator(s) of a given IPsec security
+          association dynamically.  This feature is required, for
+          instance, in a Mobile IPv6 environment with IPsec configuration
+          where mobile nodes change their attachment point to the Internet.
+
+          If unsure, say N.
+
 config NET_KEY
         tristate "PF_KEY sockets"
         select XFRM
@@ -34,4 +45,19 @@ config NET_KEY
 
           Say Y unless you know what you are doing.
 
+config NET_KEY_MIGRATE
+        bool "PF_KEY MIGRATE (EXPERIMENTAL)"
+        depends on NET_KEY && EXPERIMENTAL
+        select XFRM_MIGRATE
+        ---help---
+          Add a PF_KEY MIGRATE message to PF_KEYv2 socket family.
+          The PF_KEY MIGRATE message is used to dynamically update
+          locator(s) of a given IPsec security association.
+          This feature is required, for instance, in a Mobile IPv6
+          environment with IPsec configuration where mobile nodes
+          change their attachment point to the Internet.  Detail
+          information can be found in the internet-draft
+          <draft-sugimoto-mip6-pfkey-migrate>.
+
+          If unsure, say N.