[XFRM] STATE: Introduce care-of address.

Care-of address is carried by state as a transformation option like
IPsec encryption/authentication algorithm.

Based on MIPL2 kernel patch.

Signed-off-by: Noriaki TAKAMIYA <takamiya@po.ntts.co.jp>
Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index aa93cc1f6299..872a2a4022b2 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -134,6 +134,9 @@ struct xfrm_state
         /* Data for encapsulator */
         struct xfrm_encap_tmpl  *encap;
 
+        /* Data for care-of address */
+        xfrm_address_t  *coaddr;
+
         /* IPComp needs an IPIP tunnel for handling uncompressed packets */
         struct xfrm_state       *tunnel;