75 static bool ndisc_key_eq(const struct neighbour *neigh, const void *pkey);
78 static int ndisc_constructor(struct neighbour *neigh);
79 static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb);
80 static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb);
324 static int ndisc_constructor(struct neighbour *neigh)  in ndisc_constructor()  argument
326 	struct in6_addr *addr = (struct in6_addr *)&neigh->primary_key;  in ndisc_constructor()
327 	struct net_device *dev = neigh->dev;  in ndisc_constructor()
338 	__neigh_parms_put(neigh->parms);  in ndisc_constructor()
339 	neigh->parms = neigh_parms_clone(parms);  in ndisc_constructor()
341 	neigh->type = is_multicast ? RTN_MULTICAST : RTN_UNICAST;  in ndisc_constructor()
343 		neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
344 		neigh->ops = &ndisc_direct_ops;  in ndisc_constructor()
345 		neigh->output = neigh_direct_output;  in ndisc_constructor()
348 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
349 			ndisc_mc_map(addr, neigh->ha, dev, 1);  in ndisc_constructor()
351 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
352 			memcpy(neigh->ha, dev->dev_addr, dev->addr_len);  in ndisc_constructor()
354 				neigh->type = RTN_LOCAL;  in ndisc_constructor()
356 			neigh->nud_state = NUD_NOARP;  in ndisc_constructor()
357 			memcpy(neigh->ha, dev->broadcast, dev->addr_len);  in ndisc_constructor()
360 			neigh->ops = &ndisc_hh_ops;  in ndisc_constructor()
362 			neigh->ops = &ndisc_generic_ops;  in ndisc_constructor()
363 		if (neigh->nud_state&NUD_VALID)  in ndisc_constructor()
364 			neigh->output = neigh->ops->connected_output;  in ndisc_constructor()
366 			neigh->output = neigh->ops->output;  in ndisc_constructor()
705 static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb)  in ndisc_error_report()  argument
717 static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb)  in ndisc_solicit()  argument
721 	struct net_device *dev = neigh->dev;  in ndisc_solicit()
722 	struct in6_addr *target = (struct in6_addr *)&neigh->primary_key;  in ndisc_solicit()
723 	int probes = atomic_read(&neigh->probes);  in ndisc_solicit()
729 	probes -= NEIGH_VAR(neigh->parms, UCAST_PROBES);  in ndisc_solicit()
731 		if (!(neigh->nud_state & NUD_VALID)) {  in ndisc_solicit()
737 	} else if ((probes -= NEIGH_VAR(neigh->parms, APP_PROBES)) < 0) {  in ndisc_solicit()
738 		neigh_app_ns(neigh);  in ndisc_solicit()
760 void ndisc_update(const struct net_device *dev, struct neighbour *neigh,  in ndisc_update()  argument
764 	neigh_update(neigh, lladdr, new, flags, 0);  in ndisc_update()
766 	ndisc_ops_update(dev, neigh, flags, icmp6_type, ndopts);  in ndisc_update()
781 	struct neighbour *neigh;  in ndisc_recv_ns()  local
932 	neigh = __neigh_lookup(&nd_tbl, saddr, dev,  in ndisc_recv_ns()
934 	if (neigh)  in ndisc_recv_ns()
935 		ndisc_update(dev, neigh, lladdr, NUD_STALE,  in ndisc_recv_ns()
939 	if (neigh || !dev->header_ops) {  in ndisc_recv_ns()
942 		if (neigh)  in ndisc_recv_ns()
943 			neigh_release(neigh);  in ndisc_recv_ns()
965 	struct neighbour *neigh;  in ndisc_recv_na()  local
1026 	neigh = neigh_lookup(&nd_tbl, &msg->target, dev);  in ndisc_recv_na()
1028 	if (neigh) {  in ndisc_recv_na()
1029 		u8 old_flags = neigh->flags;  in ndisc_recv_na()
1032 		if (neigh->nud_state & NUD_FAILED)  in ndisc_recv_na()
1047 		ndisc_update(dev, neigh, lladdr,  in ndisc_recv_na()
1055 		if ((old_flags & ~neigh->flags) & NTF_ROUTER) {  in ndisc_recv_na()
1063 		neigh_release(neigh);  in ndisc_recv_na()
1071 	struct neighbour *neigh;  in ndisc_recv_rs()  local
1110 	neigh = __neigh_lookup(&nd_tbl, saddr, skb->dev, 1);  in ndisc_recv_rs()
1111 	if (neigh) {  in ndisc_recv_rs()
1112 		ndisc_update(skb->dev, neigh, lladdr, NUD_STALE,  in ndisc_recv_rs()
1117 		neigh_release(neigh);  in ndisc_recv_rs()
1172 	struct neighbour *neigh = NULL;  in ndisc_router_discovery()  local
1294 		neigh = ip6_neigh_lookup(&rt->fib6_nh->fib_nh_gw6,  in ndisc_router_discovery()
1297 		if (!neigh) {  in ndisc_router_discovery()
1324 		neigh = ip6_neigh_lookup(&rt->fib6_nh->fib_nh_gw6,  in ndisc_router_discovery()
1327 		if (!neigh) {  in ndisc_router_discovery()
1334 		neigh->flags |= NTF_ROUTER;  in ndisc_router_discovery()
1401 	if (!neigh)  in ndisc_router_discovery()
1402 		neigh = __neigh_lookup(&nd_tbl, &ipv6_hdr(skb)->saddr,  in ndisc_router_discovery()
1404 	if (neigh) {  in ndisc_router_discovery()
1415 		ndisc_update(skb->dev, neigh, lladdr, NUD_STALE,  in ndisc_router_discovery()
1518 	if (neigh)  in ndisc_router_discovery()
1519 		neigh_release(neigh);  in ndisc_router_discovery()
1642 		struct neighbour *neigh = dst_neigh_lookup(skb_dst(skb), target);  in ndisc_send_redirect()  local
1643 		if (!neigh) {  in ndisc_send_redirect()
1649 		read_lock_bh(&neigh->lock);  in ndisc_send_redirect()
1650 		if (neigh->nud_state & NUD_VALID) {  in ndisc_send_redirect()
1651 			memcpy(ha_buf, neigh->ha, dev->addr_len);  in ndisc_send_redirect()
1652 			read_unlock_bh(&neigh->lock);  in ndisc_send_redirect()
1654 			optlen += ndisc_redirect_opt_addr_space(dev, neigh,  in ndisc_send_redirect()
1658 			read_unlock_bh(&neigh->lock);  in ndisc_send_redirect()
1660 		neigh_release(neigh);  in ndisc_send_redirect()