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[IPV6] MIP6: Add Mobility header definition.

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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>
This commit is contained in:
Masahide NAKAMURA 2006-08-23 20:34:26 -07:00 committed by David S. Miller
parent e23c7194a8
commit 2b741653b6
4 changed files with 34 additions and 0 deletions
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1
include/linux/in6.h
View File

@ -134,6 +134,7 @@ struct in6_flowlabel_req
#define IPPROTO_ICMPV6 58 /* ICMPv6 */
#define IPPROTO_NONE 59 /* IPv6 no next header */
#define IPPROTO_DSTOPTS 60 /* IPv6 destination options */
#define IPPROTO_MH 135 /* IPv6 mobility header */
/*
* IPv6 TLV options.

9
include/net/flow.h
View File

@ -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)));

1
include/net/ipv6.h
View File

@ -40,6 +40,7 @@
#define NEXTHDR_ICMP 58 /* ICMP for IPv6. */
#define NEXTHDR_NONE 59 /* No next header */
#define NEXTHDR_DEST 60 /* Destination options header. */
#define NEXTHDR_MOBILITY 135 /* Mobility header. */
#define NEXTHDR_MAX 255

23
include/net/mip6.h
View File

@ -28,6 +28,29 @@
#define MIP6_OPT_PAD_1 0
#define MIP6_OPT_PAD_N 1
/*
* Mobility Header
*/
struct ip6_mh {
__u8 ip6mh_proto;
__u8 ip6mh_hdrlen;
__u8 ip6mh_type;
__u8 ip6mh_reserved;
__u16 ip6mh_cksum;
/* Followed by type specific messages */
__u8 data[0];
} __attribute__ ((__packed__));
#define IP6_MH_TYPE_BRR 0 /* Binding Refresh Request */
#define IP6_MH_TYPE_HOTI 1 /* HOTI Message */
#define IP6_MH_TYPE_COTI 2 /* COTI Message */
#define IP6_MH_TYPE_HOT 3 /* HOT Message */
#define IP6_MH_TYPE_COT 4 /* COT Message */
#define IP6_MH_TYPE_BU 5 /* Binding Update */
#define IP6_MH_TYPE_BACK 6 /* Binding ACK */
#define IP6_MH_TYPE_BERROR 7 /* Binding Error */
#define IP6_MH_TYPE_MAX IP6_MH_TYPE_BERROR
extern int mip6_init(void);
extern void mip6_fini(void);