5 * ICMP codes for neighbour discovery messages
8 #define NDISC_ROUTER_SOLICITATION 133
9 #define NDISC_ROUTER_ADVERTISEMENT 134
10 #define NDISC_NEIGHBOUR_SOLICITATION 135
11 #define NDISC_NEIGHBOUR_ADVERTISEMENT 136
12 #define NDISC_REDIRECT 137
19 __ND_OPT_PREFIX_INFO_END
= 0,
20 ND_OPT_SOURCE_LL_ADDR
= 1, /* RFC2461 */
21 ND_OPT_TARGET_LL_ADDR
= 2, /* RFC2461 */
22 ND_OPT_PREFIX_INFO
= 3, /* RFC2461 */
23 ND_OPT_REDIRECT_HDR
= 4, /* RFC2461 */
24 ND_OPT_MTU
= 5, /* RFC2461 */
28 #define MAX_RTR_SOLICITATION_DELAY HZ
30 #define ND_REACHABLE_TIME (30*HZ)
31 #define ND_RETRANS_TIMER HZ
33 #define ND_MIN_RANDOM_FACTOR (1/2)
34 #define ND_MAX_RANDOM_FACTOR (3/2)
38 #include <linux/config.h>
39 #include <linux/compiler.h>
40 #include <linux/icmpv6.h>
41 #include <linux/in6.h>
42 #include <linux/types.h>
44 #include <net/neighbour.h>
50 struct net_proto_family
;
53 extern struct neigh_table nd_tbl
;
56 struct icmp6hdr icmph
;
57 struct in6_addr target
;
62 struct icmp6hdr icmph
;
67 struct icmp6hdr icmph
;
75 } __attribute__((__packed__
));
78 extern int ndisc_init(struct net_proto_family
*ops
);
80 extern void ndisc_cleanup(void);
82 extern int ndisc_rcv(struct sk_buff
*skb
);
84 extern void ndisc_send_ns(struct net_device
*dev
,
85 struct neighbour
*neigh
,
86 struct in6_addr
*solicit
,
87 struct in6_addr
*daddr
,
88 struct in6_addr
*saddr
);
90 extern void ndisc_send_rs(struct net_device
*dev
,
91 struct in6_addr
*saddr
,
92 struct in6_addr
*daddr
);
94 extern void ndisc_forwarding_on(void);
95 extern void ndisc_forwarding_off(void);
97 extern void ndisc_send_redirect(struct sk_buff
*skb
,
98 struct neighbour
*neigh
,
99 struct in6_addr
*target
);
101 extern int ndisc_mc_map(struct in6_addr
*addr
, char *buf
, struct net_device
*dev
, int dir
);
104 struct rt6_info
* dflt_rt_lookup(void);
109 extern int igmp6_init(struct net_proto_family
*ops
);
111 extern void igmp6_cleanup(void);
113 extern int igmp6_event_query(struct sk_buff
*skb
);
115 extern int igmp6_event_report(struct sk_buff
*skb
);
117 extern void igmp6_cleanup(void);
120 extern int ndisc_ifinfo_sysctl_change(struct ctl_table
*ctl
,
128 extern void inet6_ifinfo_notify(int event
,
129 struct inet6_dev
*idev
);
131 static inline struct neighbour
* ndisc_get_neigh(struct net_device
*dev
, struct in6_addr
*addr
)
135 return __neigh_lookup(&nd_tbl
, addr
, dev
, 1);
141 #endif /* __KERNEL__ */