[IPV6] MIP6: Add Mobility header definition.

Add Mobility header definition for Mobile IPv6.
Based on MIPL2 kernel patch.

This patch was also written by: Antti Tuominen <anttit@tcs.hut.fi>

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>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/net/flow.h b/include/net/flow.h
index 21d988b2058a..e0522914316e 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -72,12 +72,21 @@ struct flowi {
                 } dnports;
 
                 __u32           spi;
+
+#ifdef CONFIG_IPV6_MIP6
+                struct {
+                        __u8    type;
+                } mht;
+#endif
         } uli_u;
 #define fl_ip_sport     uli_u.ports.sport
 #define fl_ip_dport     uli_u.ports.dport
 #define fl_icmp_type    uli_u.icmpt.type
 #define fl_icmp_code    uli_u.icmpt.code
 #define fl_ipsec_spi    uli_u.spi
+#ifdef CONFIG_IPV6_MIP6
+#define fl_mh_type      uli_u.mht.type
+#endif
         __u32           secid;  /* used by xfrm; see secid.txt */
 } __attribute__((__aligned__(BITS_PER_LONG/8)));