69 				    const struct l2t_data *d)  in arp_hash()  argument
71 	return jhash_2words(key, ifindex, 0) & (d->nentries - 1);  in arp_hash()
218 static struct l2t_entry *alloc_l2e(struct l2t_data *d)  in alloc_l2e()  argument
222 	if (!atomic_read(&d->nfree))  in alloc_l2e()
226 	for (e = d->rover, end = &d->l2tab[d->nentries]; e != end; ++e)  in alloc_l2e()
230 	for (e = &d->l2tab[1]; atomic_read(&e->refcnt); ++e) ;  in alloc_l2e()
232 	d->rover = e + 1;  in alloc_l2e()
233 	atomic_dec(&d->nfree);  in alloc_l2e()
240 		int hash = arp_hash(e->addr, e->ifindex, d);  in alloc_l2e()
242 		for (p = &d->l2tab[hash].first; *p; p = &(*p)->next)  in alloc_l2e()
263 void t3_l2e_free(struct l2t_data *d, struct l2t_entry *e)  in t3_l2e_free()  argument
273 	atomic_inc(&d->nfree);  in t3_l2e_free()
307 	struct l2t_data *d;  in t3_l2t_get()  local
326 	d = L2DATA(cdev);  in t3_l2t_get()
327 	if (!d)  in t3_l2t_get()
330 	hash = arp_hash(addr, ifidx, d);  in t3_l2t_get()
332 	write_lock_bh(&d->lock);  in t3_l2t_get()
333 	for (e = d->l2tab[hash].first; e; e = e->next)  in t3_l2t_get()
336 			l2t_hold(d, e);  in t3_l2t_get()
343 	e = alloc_l2e(d);  in t3_l2t_get()
346 		e->next = d->l2tab[hash].first;  in t3_l2t_get()
347 		d->l2tab[hash].first = e;  in t3_l2t_get()
361 	write_unlock_bh(&d->lock);  in t3_l2t_get()
402 	struct l2t_data *d = L2DATA(dev);  in t3_l2t_update()  local
405 	int hash = arp_hash(addr, ifidx, d);  in t3_l2t_update()
407 	read_lock_bh(&d->lock);  in t3_l2t_update()
408 	for (e = d->l2tab[hash].first; e; e = e->next)  in t3_l2t_update()
413 	read_unlock_bh(&d->lock);  in t3_l2t_update()
419 	read_unlock(&d->lock);  in t3_l2t_update()
444 	struct l2t_data *d;  in t3_init_l2t()  local
445 	int i, size = sizeof(*d) + l2t_capacity * sizeof(struct l2t_entry);  in t3_init_l2t()
447 	d = cxgb_alloc_mem(size);  in t3_init_l2t()
448 	if (!d)  in t3_init_l2t()
451 	d->nentries = l2t_capacity;  in t3_init_l2t()
452 	d->rover = &d->l2tab[1];	/* entry 0 is not used */  in t3_init_l2t()
453 	atomic_set(&d->nfree, l2t_capacity - 1);  in t3_init_l2t()
454 	rwlock_init(&d->lock);  in t3_init_l2t()
457 		d->l2tab[i].idx = i;  in t3_init_l2t()
458 		d->l2tab[i].state = L2T_STATE_UNUSED;  in t3_init_l2t()
459 		__skb_queue_head_init(&d->l2tab[i].arpq);  in t3_init_l2t()
460 		spin_lock_init(&d->l2tab[i].lock);  in t3_init_l2t()
461 		atomic_set(&d->l2tab[i].refcnt, 0);  in t3_init_l2t()
463 	return d;  in t3_init_l2t()
466 void t3_free_l2t(struct l2t_data *d)  in t3_free_l2t()  argument
468 	cxgb_free_mem(d);  in t3_free_l2t()