53 static int dn_neigh_output(struct neighbour *neigh, struct sk_buff *skb);
72 static bool dn_key_eq(const struct neighbour *neigh, const void *pkey)  in dn_key_eq()  argument
74 	return neigh_key_eq16(neigh, pkey);  in dn_key_eq()
110 static int dn_neigh_construct(struct neighbour *neigh)  in dn_neigh_construct()  argument
112 	struct net_device *dev = neigh->dev;  in dn_neigh_construct()
113 	struct dn_neigh *dn = (struct dn_neigh *)neigh;  in dn_neigh_construct()
130 	__neigh_parms_put(neigh->parms);  in dn_neigh_construct()
131 	neigh->parms = neigh_parms_clone(parms);  in dn_neigh_construct()
134 	neigh->ops = &dn_neigh_ops;  in dn_neigh_construct()
135 	neigh->nud_state = NUD_NOARP;  in dn_neigh_construct()
136 	neigh->output = neigh->ops->connected_output;  in dn_neigh_construct()
139 		memcpy(neigh->ha, dev->broadcast, dev->addr_len);  in dn_neigh_construct()
141 		dn_dn2eth(neigh->ha, dn->addr);  in dn_neigh_construct()
166 static void dn_neigh_error_report(struct neighbour *neigh, struct sk_buff *skb)  in dn_neigh_error_report()  argument
172 static int dn_neigh_output(struct neighbour *neigh, struct sk_buff *skb)  in dn_neigh_output()  argument
176 	struct net_device *dev = neigh->dev;  in dn_neigh_output()
183 		seq = read_seqbegin(&neigh->ha_lock);  in dn_neigh_output()
185 				      neigh->ha, mac_addr, skb->len);  in dn_neigh_output()
186 	} while (read_seqretry(&neigh->ha_lock, seq));  in dn_neigh_output()
201 	struct neighbour *neigh = rt->n;  in dn_neigh_output_packet()  local
203 	return neigh->output(neigh, skb);  in dn_neigh_output_packet()
209 static int dn_long_output(struct neighbour *neigh, struct sock *sk,  in dn_long_output()  argument
212 	struct net_device *dev = neigh->dev;  in dn_long_output()
250 		       &init_net, sk, skb, NULL, neigh->dev,  in dn_long_output()
257 static int dn_short_output(struct neighbour *neigh, struct sock *sk,  in dn_short_output()  argument
260 	struct net_device *dev = neigh->dev;  in dn_short_output()
291 		       &init_net, sk, skb, NULL, neigh->dev,  in dn_short_output()
300 static int dn_phase3_output(struct neighbour *neigh, struct sock *sk,  in dn_phase3_output()  argument
303 	struct net_device *dev = neigh->dev;  in dn_phase3_output()
333 		       &init_net, sk, skb, NULL, neigh->dev,  in dn_phase3_output()
341 	struct neighbour *neigh = rt->n;  in dn_to_neigh_output()  local
342 	struct dn_neigh *dn = (struct dn_neigh *)neigh;  in dn_to_neigh_output()
347 	dn_db = rcu_dereference(neigh->dev->dn_ptr);  in dn_to_neigh_output()
356 		return dn_phase3_output(neigh, sk, skb);  in dn_to_neigh_output()
358 		return dn_long_output(neigh, sk, skb);  in dn_to_neigh_output()
360 		return dn_short_output(neigh, sk, skb);  in dn_to_neigh_output()
385 	struct neighbour *neigh;  in dn_neigh_router_hello()  local
392 	neigh = __neigh_lookup(&dn_neigh_table, &src, skb->dev, 1);  in dn_neigh_router_hello()
394 	dn = (struct dn_neigh *)neigh;  in dn_neigh_router_hello()
396 	if (neigh) {  in dn_neigh_router_hello()
397 		write_lock(&neigh->lock);  in dn_neigh_router_hello()
399 		neigh->used = jiffies;  in dn_neigh_router_hello()
400 		dn_db = rcu_dereference(neigh->dev->dn_ptr);  in dn_neigh_router_hello()
402 		if (!(neigh->nud_state & NUD_PERMANENT)) {  in dn_neigh_router_hello()
403 			neigh->updated = jiffies;  in dn_neigh_router_hello()
405 			if (neigh->dev->type == ARPHRD_ETHER)  in dn_neigh_router_hello()
406 				memcpy(neigh->ha, &eth_hdr(skb)->h_source, ETH_ALEN);  in dn_neigh_router_hello()
426 				dn_db->router = neigh_clone(neigh);  in dn_neigh_router_hello()
429 					neigh_release(xchg(&dn_db->router, neigh_clone(neigh)));  in dn_neigh_router_hello()
432 		write_unlock(&neigh->lock);  in dn_neigh_router_hello()
433 		neigh_release(neigh);  in dn_neigh_router_hello()
446 	struct neighbour *neigh;  in dn_neigh_endnode_hello()  local
452 	neigh = __neigh_lookup(&dn_neigh_table, &src, skb->dev, 1);  in dn_neigh_endnode_hello()
454 	dn = (struct dn_neigh *)neigh;  in dn_neigh_endnode_hello()
456 	if (neigh) {  in dn_neigh_endnode_hello()
457 		write_lock(&neigh->lock);  in dn_neigh_endnode_hello()
459 		neigh->used = jiffies;  in dn_neigh_endnode_hello()
461 		if (!(neigh->nud_state & NUD_PERMANENT)) {  in dn_neigh_endnode_hello()
462 			neigh->updated = jiffies;  in dn_neigh_endnode_hello()
464 			if (neigh->dev->type == ARPHRD_ETHER)  in dn_neigh_endnode_hello()
465 				memcpy(neigh->ha, &eth_hdr(skb)->h_source, ETH_ALEN);  in dn_neigh_endnode_hello()
471 		write_unlock(&neigh->lock);  in dn_neigh_endnode_hello()
472 		neigh_release(neigh);  in dn_neigh_endnode_hello()
505 static void neigh_elist_cb(struct neighbour *neigh, void *_info)  in neigh_elist_cb()  argument
510 	if (neigh->dev != s->dev)  in neigh_elist_cb()
513 	dn = (struct dn_neigh *) neigh;  in neigh_elist_cb()
526 	*(s->rs) = neigh->nud_state & NUD_CONNECTED ? 0x80 : 0x0;  in neigh_elist_cb()