[IPV6] MIP6: Add home address option definition.

Add home address option definition for Mobile IPv6.
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>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/in6.h b/include/linux/in6.h
index 304aaed..086ec2a 100644 (file)
--- a/include/linux/in6.h
+++ b/include/linux/in6.h
@@ -142,6 +142,7 @@ struct in6_flowlabel_req
 #define IPV6_TLV_PADN          1
 #define IPV6_TLV_ROUTERALERT   5
 #define IPV6_TLV_JUMBO         194
+#define IPV6_TLV_HAO           201     /* home address option */
 
 /*
  *     IPV6 socket options

diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index d995662..5bf4406 100644 (file)
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -86,6 +86,16 @@ struct rt2_hdr {
 #define rt2_type               rt_hdr.type
 };
 
+/*
+ *     home address option in destination options header
+ */
+
+struct ipv6_destopt_hao {
+       __u8                    type;
+       __u8                    length;
+       struct in6_addr         addr;
+} __attribute__ ((__packed__));
+
 struct ipv6_auth_hdr {
        __u8  nexthdr;
        __u8  hdrlen;           /* This one is measured in 32 bit units! */