94 static int ndisc_constructor(struct neighbour *neigh);
95 static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb);
96 static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb);
364 static int ndisc_constructor(struct neighbour *neigh)  in ndisc_constructor()  argument
366 	struct in6_addr *addr = (struct in6_addr*)&neigh->primary_key;  in ndisc_constructor()
367 	struct net_device *dev = neigh->dev;  in ndisc_constructor()
380 	__neigh_parms_put(neigh->parms);  in ndisc_constructor()
381 	neigh->parms = neigh_parms_clone(parms);  in ndisc_constructor()
384 	neigh->type = is_multicast ? RTN_MULTICAST : RTN_UNICAST;  in ndisc_constructor()
386 		neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
387 		neigh->ops = &ndisc_direct_ops;  in ndisc_constructor()
388 		neigh->output = neigh->ops->queue_xmit;  in ndisc_constructor()
391 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
392 			ndisc_mc_map(addr, neigh->ha, dev, 1);  in ndisc_constructor()
394 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
395 			memcpy(neigh->ha, dev->dev_addr, dev->addr_len);  in ndisc_constructor()
397 				neigh->type = RTN_LOCAL;  in ndisc_constructor()
399 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
400 			memcpy(neigh->ha, dev->broadcast, dev->addr_len);  in ndisc_constructor()
403 			neigh->ops = &ndisc_hh_ops;  in ndisc_constructor()
405 			neigh->ops = &ndisc_generic_ops;  in ndisc_constructor()
406 		if (neigh->nud_state&NUD_VALID)  in ndisc_constructor()
407 			neigh->output = neigh->ops->connected_output;  in ndisc_constructor()
409 			neigh->output = neigh->ops->output;  in ndisc_constructor()
504 		    struct neighbour *neigh,  in ndisc_send_skb()  argument
521 	dst = icmp6_dst_alloc(dev, neigh, daddr);  in ndisc_send_skb()
555 			 struct neighbour *neigh,  in __ndisc_send()  argument
567 	ndisc_send_skb(skb, dev, neigh, daddr, saddr, icmp6h);  in __ndisc_send()
570 static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,  in ndisc_send_na()  argument
601 	__ndisc_send(dev, neigh, daddr, src_addr,  in ndisc_send_na()
606 void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,  in ndisc_send_ns()  argument
622 	__ndisc_send(dev, neigh, daddr, saddr,  in ndisc_send_ns()
663 static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb)  in ndisc_error_report()  argument
675 static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb)  in ndisc_solicit()  argument
679 	struct net_device *dev = neigh->dev;  in ndisc_solicit()
680 	struct in6_addr *target = (struct in6_addr *)&neigh->primary_key;  in ndisc_solicit()
681 	int probes = atomic_read(&neigh->probes);  in ndisc_solicit()
686 	if ((probes -= neigh->parms->ucast_probes) < 0) {  in ndisc_solicit()
687 		if (!(neigh->nud_state & NUD_VALID)) {  in ndisc_solicit()
691 		ndisc_send_ns(dev, neigh, target, target, saddr);  in ndisc_solicit()
692 	} else if ((probes -= neigh->parms->app_probes) < 0) {  in ndisc_solicit()
694 		neigh_app_ns(neigh);  in ndisc_solicit()
729 	struct neighbour *neigh;  in ndisc_recv_ns()  local
872 	neigh = __neigh_lookup(&nd_tbl, saddr, dev,  in ndisc_recv_ns()
874 	if (neigh)  in ndisc_recv_ns()
875 		neigh_update(neigh, lladdr, NUD_STALE,  in ndisc_recv_ns()
878 	if (neigh || !dev->header_ops) {  in ndisc_recv_ns()
879 		ndisc_send_na(dev, neigh, saddr, &msg->target,  in ndisc_recv_ns()
882 		if (neigh)  in ndisc_recv_ns()
883 			neigh_release(neigh);  in ndisc_recv_ns()
906 	struct neighbour *neigh;  in ndisc_recv_na()  local
962 	neigh = neigh_lookup(&nd_tbl, &msg->target, dev);  in ndisc_recv_na()
964 	if (neigh) {  in ndisc_recv_na()
965 		u8 old_flags = neigh->flags;  in ndisc_recv_na()
968 		if (neigh->nud_state & NUD_FAILED)  in ndisc_recv_na()
983 		neigh_update(neigh, lladdr,  in ndisc_recv_na()
990 		if ((old_flags & ~neigh->flags) & NTF_ROUTER) {  in ndisc_recv_na()
1001 		neigh_release(neigh);  in ndisc_recv_na()
1009 	struct neighbour *neigh;  in ndisc_recv_rs()  local
1050 	neigh = __neigh_lookup(&nd_tbl, saddr, skb->dev, 1);  in ndisc_recv_rs()
1051 	if (neigh) {  in ndisc_recv_rs()
1052 		neigh_update(neigh, lladdr, NUD_STALE,  in ndisc_recv_rs()
1056 		neigh_release(neigh);  in ndisc_recv_rs()
1115 	struct neighbour *neigh = NULL;  in ndisc_router_discovery()  local
1210 		neigh = rt->rt6i_nexthop;  in ndisc_router_discovery()
1213 		neigh_clone(neigh);  in ndisc_router_discovery()
1231 		neigh = rt->rt6i_nexthop;  in ndisc_router_discovery()
1232 		if (neigh == NULL) {  in ndisc_router_discovery()
1240 		neigh->flags |= NTF_ROUTER;  in ndisc_router_discovery()
1297 	if (!neigh)  in ndisc_router_discovery()
1298 		neigh = __neigh_lookup(&nd_tbl, &ipv6_hdr(skb)->saddr,  in ndisc_router_discovery()
1300 	if (neigh) {  in ndisc_router_discovery()
1311 		neigh_update(neigh, lladdr, NUD_STALE,  in ndisc_router_discovery()
1390 	else if (neigh)  in ndisc_router_discovery()
1391 		neigh_release(neigh);  in ndisc_router_discovery()
1401 	struct neighbour *neigh;  in ndisc_redirect_rcv()  local
1481 	neigh = __neigh_lookup(&nd_tbl, target, skb->dev, 1);  in ndisc_redirect_rcv()
1482 	if (neigh) {  in ndisc_redirect_rcv()
1484 			     &ipv6_hdr(skb)->saddr, neigh, lladdr,  in ndisc_redirect_rcv()
1486 		neigh_release(neigh);  in ndisc_redirect_rcv()
1491 void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,  in ndisc_send_redirect()  argument
1550 		read_lock_bh(&neigh->lock);  in ndisc_send_redirect()
1551 		if (neigh->nud_state & NUD_VALID) {  in ndisc_send_redirect()
1552 			memcpy(ha_buf, neigh->ha, dev->addr_len);  in ndisc_send_redirect()
1553 			read_unlock_bh(&neigh->lock);  in ndisc_send_redirect()
1557 			read_unlock_bh(&neigh->lock);  in ndisc_send_redirect()