88 static bool ndisc_key_eq(const struct neighbour *neigh, const void *pkey);
89 static int ndisc_constructor(struct neighbour *neigh);
90 static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb);
91 static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb);
307 static int ndisc_constructor(struct neighbour *neigh)  in ndisc_constructor()  argument
309 	struct in6_addr *addr = (struct in6_addr *)&neigh->primary_key;  in ndisc_constructor()
310 	struct net_device *dev = neigh->dev;  in ndisc_constructor()
321 	__neigh_parms_put(neigh->parms);  in ndisc_constructor()
322 	neigh->parms = neigh_parms_clone(parms);  in ndisc_constructor()
324 	neigh->type = is_multicast ? RTN_MULTICAST : RTN_UNICAST;  in ndisc_constructor()
326 		neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
327 		neigh->ops = &ndisc_direct_ops;  in ndisc_constructor()
328 		neigh->output = neigh_direct_output;  in ndisc_constructor()
331 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
332 			ndisc_mc_map(addr, neigh->ha, dev, 1);  in ndisc_constructor()
334 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
335 			memcpy(neigh->ha, dev->dev_addr, dev->addr_len);  in ndisc_constructor()
337 				neigh->type = RTN_LOCAL;  in ndisc_constructor()
339 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
340 			memcpy(neigh->ha, dev->broadcast, dev->addr_len);  in ndisc_constructor()
343 			neigh->ops = &ndisc_hh_ops;  in ndisc_constructor()
345 			neigh->ops = &ndisc_generic_ops;  in ndisc_constructor()
346 		if (neigh->nud_state&NUD_VALID)  in ndisc_constructor()
347 			neigh->output = neigh->ops->connected_output;  in ndisc_constructor()
349 			neigh->output = neigh->ops->output;  in ndisc_constructor()
650 static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb)  in ndisc_error_report()  argument
662 static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb)  in ndisc_solicit()  argument
666 	struct net_device *dev = neigh->dev;  in ndisc_solicit()
667 	struct in6_addr *target = (struct in6_addr *)&neigh->primary_key;  in ndisc_solicit()
668 	int probes = atomic_read(&neigh->probes);  in ndisc_solicit()
674 	probes -= NEIGH_VAR(neigh->parms, UCAST_PROBES);  in ndisc_solicit()
676 		if (!(neigh->nud_state & NUD_VALID)) {  in ndisc_solicit()
682 	} else if ((probes -= NEIGH_VAR(neigh->parms, APP_PROBES)) < 0) {  in ndisc_solicit()
683 		neigh_app_ns(neigh);  in ndisc_solicit()
717 	struct neighbour *neigh;  in ndisc_recv_ns()  local
856 	neigh = __neigh_lookup(&nd_tbl, saddr, dev,  in ndisc_recv_ns()
858 	if (neigh)  in ndisc_recv_ns()
859 		neigh_update(neigh, lladdr, NUD_STALE,  in ndisc_recv_ns()
862 	if (neigh || !dev->header_ops) {  in ndisc_recv_ns()
865 		if (neigh)  in ndisc_recv_ns()
866 			neigh_release(neigh);  in ndisc_recv_ns()
887 	struct neighbour *neigh;  in ndisc_recv_na()  local
940 	neigh = neigh_lookup(&nd_tbl, &msg->target, dev);  in ndisc_recv_na()
942 	if (neigh) {  in ndisc_recv_na()
943 		u8 old_flags = neigh->flags;  in ndisc_recv_na()
946 		if (neigh->nud_state & NUD_FAILED)  in ndisc_recv_na()
961 		neigh_update(neigh, lladdr,  in ndisc_recv_na()
968 		if ((old_flags & ~neigh->flags) & NTF_ROUTER) {  in ndisc_recv_na()
976 		neigh_release(neigh);  in ndisc_recv_na()
984 	struct neighbour *neigh;  in ndisc_recv_rs()  local
1023 	neigh = __neigh_lookup(&nd_tbl, saddr, skb->dev, 1);  in ndisc_recv_rs()
1024 	if (neigh) {  in ndisc_recv_rs()
1025 		neigh_update(neigh, lladdr, NUD_STALE,  in ndisc_recv_rs()
1029 		neigh_release(neigh);  in ndisc_recv_rs()
1084 	struct neighbour *neigh = NULL;  in ndisc_router_discovery()  local
1206 		neigh = dst_neigh_lookup(&rt->dst, &ipv6_hdr(skb)->saddr);  in ndisc_router_discovery()
1207 		if (!neigh) {  in ndisc_router_discovery()
1233 		neigh = dst_neigh_lookup(&rt->dst, &ipv6_hdr(skb)->saddr);  in ndisc_router_discovery()
1234 		if (!neigh) {  in ndisc_router_discovery()
1241 		neigh->flags |= NTF_ROUTER;  in ndisc_router_discovery()
1309 	if (!neigh)  in ndisc_router_discovery()
1310 		neigh = __neigh_lookup(&nd_tbl, &ipv6_hdr(skb)->saddr,  in ndisc_router_discovery()
1312 	if (neigh) {  in ndisc_router_discovery()
1323 		neigh_update(neigh, lladdr, NUD_STALE,  in ndisc_router_discovery()
1425 	if (neigh)  in ndisc_router_discovery()
1426 		neigh_release(neigh);  in ndisc_router_discovery()
1545 		struct neighbour *neigh = dst_neigh_lookup(skb_dst(skb), target);  in ndisc_send_redirect()  local
1546 		if (!neigh) {  in ndisc_send_redirect()
1552 		read_lock_bh(&neigh->lock);  in ndisc_send_redirect()
1553 		if (neigh->nud_state & NUD_VALID) {  in ndisc_send_redirect()
1554 			memcpy(ha_buf, neigh->ha, dev->addr_len);  in ndisc_send_redirect()
1555 			read_unlock_bh(&neigh->lock);  in ndisc_send_redirect()
1559 			read_unlock_bh(&neigh->lock);  in ndisc_send_redirect()
1561 		neigh_release(neigh);  in ndisc_send_redirect()