87 static int ndisc_constructor(struct neighbour *neigh);
88 static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb);
89 static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb);
295 static int ndisc_constructor(struct neighbour *neigh)  in ndisc_constructor()  argument
297 	struct in6_addr *addr = (struct in6_addr*)&neigh->primary_key;  in ndisc_constructor()
298 	struct net_device *dev = neigh->dev;  in ndisc_constructor()
309 	__neigh_parms_put(neigh->parms);  in ndisc_constructor()
310 	neigh->parms = neigh_parms_clone(parms);  in ndisc_constructor()
312 	neigh->type = is_multicast ? RTN_MULTICAST : RTN_UNICAST;  in ndisc_constructor()
314 		neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
315 		neigh->ops = &ndisc_direct_ops;  in ndisc_constructor()
316 		neigh->output = neigh_direct_output;  in ndisc_constructor()
319 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
320 			ndisc_mc_map(addr, neigh->ha, dev, 1);  in ndisc_constructor()
322 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
323 			memcpy(neigh->ha, dev->dev_addr, dev->addr_len);  in ndisc_constructor()
325 				neigh->type = RTN_LOCAL;  in ndisc_constructor()
327 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
328 			memcpy(neigh->ha, dev->broadcast, dev->addr_len);  in ndisc_constructor()
331 			neigh->ops = &ndisc_hh_ops;  in ndisc_constructor()
333 			neigh->ops = &ndisc_generic_ops;  in ndisc_constructor()
334 		if (neigh->nud_state&NUD_VALID)  in ndisc_constructor()
335 			neigh->output = neigh->ops->connected_output;  in ndisc_constructor()
337 			neigh->output = neigh->ops->output;  in ndisc_constructor()
465 static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,  in ndisc_send_na()  argument
542 void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,  in ndisc_send_ns()  argument
635 static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb)  in ndisc_error_report()  argument
647 static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb)  in ndisc_solicit()  argument
651 	struct net_device *dev = neigh->dev;  in ndisc_solicit()
652 	struct in6_addr *target = (struct in6_addr *)&neigh->primary_key;  in ndisc_solicit()
653 	int probes = atomic_read(&neigh->probes);  in ndisc_solicit()
658 	if ((probes -= neigh->parms->ucast_probes) < 0) {  in ndisc_solicit()
659 		if (!(neigh->nud_state & NUD_VALID)) {  in ndisc_solicit()
664 		ndisc_send_ns(dev, neigh, target, target, saddr);  in ndisc_solicit()
665 	} else if ((probes -= neigh->parms->app_probes) < 0) {  in ndisc_solicit()
667 		neigh_app_ns(neigh);  in ndisc_solicit()
702 	struct neighbour *neigh;  in ndisc_recv_ns()  local
829 	neigh = __neigh_lookup(&nd_tbl, saddr, dev,  in ndisc_recv_ns()
831 	if (neigh)  in ndisc_recv_ns()
832 		neigh_update(neigh, lladdr, NUD_STALE,  in ndisc_recv_ns()
835 	if (neigh || !dev->header_ops) {  in ndisc_recv_ns()
836 		ndisc_send_na(dev, neigh, saddr, &msg->target,  in ndisc_recv_ns()
839 		if (neigh)  in ndisc_recv_ns()
840 			neigh_release(neigh);  in ndisc_recv_ns()
861 	struct neighbour *neigh;  in ndisc_recv_na()  local
914 	neigh = neigh_lookup(&nd_tbl, &msg->target, dev);  in ndisc_recv_na()
916 	if (neigh) {  in ndisc_recv_na()
917 		u8 old_flags = neigh->flags;  in ndisc_recv_na()
920 		if (neigh->nud_state & NUD_FAILED)  in ndisc_recv_na()
935 		neigh_update(neigh, lladdr,  in ndisc_recv_na()
942 		if ((old_flags & ~neigh->flags) & NTF_ROUTER) {  in ndisc_recv_na()
953 		neigh_release(neigh);  in ndisc_recv_na()
961 	struct neighbour *neigh;  in ndisc_recv_rs()  local
1000 	neigh = __neigh_lookup(&nd_tbl, saddr, skb->dev, 1);  in ndisc_recv_rs()
1001 	if (neigh) {  in ndisc_recv_rs()
1002 		neigh_update(neigh, lladdr, NUD_STALE,  in ndisc_recv_rs()
1006 		neigh_release(neigh);  in ndisc_recv_rs()
1062 	struct neighbour *neigh = NULL;  in ndisc_router_discovery()  local
1153 		neigh = dst_neigh_lookup(&rt->dst, &ipv6_hdr(skb)->saddr);  in ndisc_router_discovery()
1154 		if (!neigh) {  in ndisc_router_discovery()
1178 		neigh = dst_neigh_lookup(&rt->dst, &ipv6_hdr(skb)->saddr);  in ndisc_router_discovery()
1179 		if (neigh == NULL) {  in ndisc_router_discovery()
1186 		neigh->flags |= NTF_ROUTER;  in ndisc_router_discovery()
1248 	if (!neigh)  in ndisc_router_discovery()
1249 		neigh = __neigh_lookup(&nd_tbl, &ipv6_hdr(skb)->saddr,  in ndisc_router_discovery()
1251 	if (neigh) {  in ndisc_router_discovery()
1262 		neigh_update(neigh, lladdr, NUD_STALE,  in ndisc_router_discovery()
1349 	if (neigh)  in ndisc_router_discovery()
1350 		neigh_release(neigh);  in ndisc_router_discovery()
1462 		struct neighbour *neigh = dst_neigh_lookup(skb_dst(skb), target);  in ndisc_send_redirect()  local
1463 		if (!neigh) {  in ndisc_send_redirect()
1469 		read_lock_bh(&neigh->lock);  in ndisc_send_redirect()
1470 		if (neigh->nud_state & NUD_VALID) {  in ndisc_send_redirect()
1471 			memcpy(ha_buf, neigh->ha, dev->addr_len);  in ndisc_send_redirect()
1472 			read_unlock_bh(&neigh->lock);  in ndisc_send_redirect()
1476 			read_unlock_bh(&neigh->lock);  in ndisc_send_redirect()
1478 		neigh_release(neigh);  in ndisc_send_redirect()