diff options
Diffstat (limited to 'ANDROID_3.4.5/include/net/ndisc.h')
| -rw-r--r-- | ANDROID_3.4.5/include/net/ndisc.h | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/ANDROID_3.4.5/include/net/ndisc.h b/ANDROID_3.4.5/include/net/ndisc.h deleted file mode 100644 index 6f9c25a7..00000000 --- a/ANDROID_3.4.5/include/net/ndisc.h +++ /dev/null @@ -1,183 +0,0 @@ -#ifndef _NDISC_H -#define _NDISC_H - -/* - * ICMP codes for neighbour discovery messages - */ - -#define NDISC_ROUTER_SOLICITATION 133 -#define NDISC_ROUTER_ADVERTISEMENT 134 -#define NDISC_NEIGHBOUR_SOLICITATION 135 -#define NDISC_NEIGHBOUR_ADVERTISEMENT 136 -#define NDISC_REDIRECT 137 - -/* - * Router type: cross-layer information from link-layer to - * IPv6 layer reported by certain link types (e.g., RFC4214). - */ -#define NDISC_NODETYPE_UNSPEC 0 /* unspecified (default) */ -#define NDISC_NODETYPE_HOST 1 /* host or unauthorized router */ -#define NDISC_NODETYPE_NODEFAULT 2 /* non-default router */ -#define NDISC_NODETYPE_DEFAULT 3 /* default router */ - -/* - * ndisc options - */ - -enum { - __ND_OPT_PREFIX_INFO_END = 0, - ND_OPT_SOURCE_LL_ADDR = 1, /* RFC2461 */ - ND_OPT_TARGET_LL_ADDR = 2, /* RFC2461 */ - ND_OPT_PREFIX_INFO = 3, /* RFC2461 */ - ND_OPT_REDIRECT_HDR = 4, /* RFC2461 */ - ND_OPT_MTU = 5, /* RFC2461 */ - __ND_OPT_ARRAY_MAX, - ND_OPT_ROUTE_INFO = 24, /* RFC4191 */ - ND_OPT_RDNSS = 25, /* RFC5006 */ - __ND_OPT_MAX -}; - -#define MAX_RTR_SOLICITATION_DELAY HZ - -#define ND_REACHABLE_TIME (30*HZ) -#define ND_RETRANS_TIMER HZ - -#include <linux/compiler.h> -#include <linux/icmpv6.h> -#include <linux/in6.h> -#include <linux/types.h> - -#include <net/neighbour.h> - -struct ctl_table; -struct inet6_dev; -struct net_device; -struct net_proto_family; -struct sk_buff; - -extern struct neigh_table nd_tbl; - -struct nd_msg { - struct icmp6hdr icmph; - struct in6_addr target; - __u8 opt[0]; -}; - -struct rs_msg { - struct icmp6hdr icmph; - __u8 opt[0]; -}; - -struct ra_msg { - struct icmp6hdr icmph; - __be32 reachable_time; - __be32 retrans_timer; -}; - -struct nd_opt_hdr { - __u8 nd_opt_type; - __u8 nd_opt_len; -} __packed; - -static inline u32 ndisc_hashfn(const void *pkey, const struct net_device *dev, __u32 *hash_rnd) -{ - const u32 *p32 = pkey; - - return (((p32[0] ^ dev->ifindex) * hash_rnd[0]) + - (p32[1] * hash_rnd[1]) + - (p32[2] * hash_rnd[2]) + - (p32[3] * hash_rnd[3])); -} - -static inline struct neighbour *__ipv6_neigh_lookup(struct neigh_table *tbl, struct net_device *dev, const void *pkey) -{ - struct neigh_hash_table *nht; - const u32 *p32 = pkey; - struct neighbour *n; - u32 hash_val; - - rcu_read_lock_bh(); - nht = rcu_dereference_bh(tbl->nht); - hash_val = ndisc_hashfn(pkey, dev, nht->hash_rnd) >> (32 - nht->hash_shift); - for (n = rcu_dereference_bh(nht->hash_buckets[hash_val]); - n != NULL; - n = rcu_dereference_bh(n->next)) { - u32 *n32 = (u32 *) n->primary_key; - if (n->dev == dev && - ((n32[0] ^ p32[0]) | (n32[1] ^ p32[1]) | - (n32[2] ^ p32[2]) | (n32[3] ^ p32[3])) == 0) { - if (!atomic_inc_not_zero(&n->refcnt)) - n = NULL; - break; - } - } - rcu_read_unlock_bh(); - - return n; -} - -extern int ndisc_init(void); - -extern void ndisc_cleanup(void); - -extern int ndisc_rcv(struct sk_buff *skb); - -extern void ndisc_send_ns(struct net_device *dev, - struct neighbour *neigh, - const struct in6_addr *solicit, - const struct in6_addr *daddr, - const struct in6_addr *saddr); - -extern void ndisc_send_rs(struct net_device *dev, - const struct in6_addr *saddr, - const struct in6_addr *daddr); - -extern void ndisc_send_redirect(struct sk_buff *skb, - const struct in6_addr *target); - -extern int ndisc_mc_map(const struct in6_addr *addr, char *buf, - struct net_device *dev, int dir); - -extern struct sk_buff *ndisc_build_skb(struct net_device *dev, - const struct in6_addr *daddr, - const struct in6_addr *saddr, - struct icmp6hdr *icmp6h, - const struct in6_addr *target, - int llinfo); - -extern void ndisc_send_skb(struct sk_buff *skb, - struct net_device *dev, - struct neighbour *neigh, - const struct in6_addr *daddr, - const struct in6_addr *saddr, - struct icmp6hdr *icmp6h); - - - -/* - * IGMP - */ -extern int igmp6_init(void); - -extern void igmp6_cleanup(void); - -extern int igmp6_event_query(struct sk_buff *skb); - -extern int igmp6_event_report(struct sk_buff *skb); - - -#ifdef CONFIG_SYSCTL -extern int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, - int write, - void __user *buffer, - size_t *lenp, - loff_t *ppos); -int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, - void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen); -#endif - -extern void inet6_ifinfo_notify(int event, - struct inet6_dev *idev); - -#endif |