79 static inline void l2t_hold(struct l2t_data *d, struct l2t_entry *e)  in l2t_hold()  argument
82 		atomic_dec(&d->nfree);  in l2t_hold()
271 static struct l2t_entry *alloc_l2e(struct l2t_data *d)  in alloc_l2e()  argument
275 	if (!atomic_read(&d->nfree))  in alloc_l2e()
279 	for (e = d->rover, end = &d->l2tab[L2T_SIZE]; e != end; ++e)  in alloc_l2e()
283 	for (e = d->l2tab; atomic_read(&e->refcnt); ++e)  in alloc_l2e()
286 	d->rover = e + 1;  in alloc_l2e()
287 	atomic_dec(&d->nfree);  in alloc_l2e()
294 		for (p = &d->l2tab[e->hash].first; *p; p = &(*p)->next)  in alloc_l2e()
310 	struct l2t_data *d;  in t4_l2e_free()  local
328 	d = container_of(e, struct l2t_data, l2tab[e->idx]);  in t4_l2e_free()
329 	atomic_inc(&d->nfree);  in t4_l2e_free()
361 struct l2t_entry *cxgb4_l2t_get(struct l2t_data *d, struct neighbour *neigh,  in cxgb4_l2t_get()  argument
383 	write_lock_bh(&d->lock);  in cxgb4_l2t_get()
384 	for (e = d->l2tab[hash].first; e; e = e->next)  in cxgb4_l2t_get()
387 			l2t_hold(d, e);  in cxgb4_l2t_get()
394 	e = alloc_l2e(d);  in cxgb4_l2t_get()
408 		e->next = d->l2tab[hash].first;  in cxgb4_l2t_get()
409 		d->l2tab[hash].first = e;  in cxgb4_l2t_get()
413 	write_unlock_bh(&d->lock);  in cxgb4_l2t_get()
480 	struct l2t_data *d = adap->l2t;  in t4_l2t_update()  local
486 	read_lock_bh(&d->lock);  in t4_l2t_update()
487 	for (e = d->l2tab[hash].first; e; e = e->next)  in t4_l2t_update()
495 	read_unlock_bh(&d->lock);  in t4_l2t_update()
499 	read_unlock(&d->lock);  in t4_l2t_update()
529 struct l2t_entry *t4_l2t_alloc_switching(struct l2t_data *d)  in t4_l2t_alloc_switching()  argument
533 	write_lock_bh(&d->lock);  in t4_l2t_alloc_switching()
534 	e = alloc_l2e(d);  in t4_l2t_alloc_switching()
541 	write_unlock_bh(&d->lock);  in t4_l2t_alloc_switching()
560 	struct l2t_data *d;  in t4_init_l2t()  local
562 	d = t4_alloc_mem(sizeof(*d));  in t4_init_l2t()
563 	if (!d)  in t4_init_l2t()
566 	d->rover = d->l2tab;  in t4_init_l2t()
567 	atomic_set(&d->nfree, L2T_SIZE);  in t4_init_l2t()
568 	rwlock_init(&d->lock);  in t4_init_l2t()
571 		d->l2tab[i].idx = i;  in t4_init_l2t()
572 		d->l2tab[i].state = L2T_STATE_UNUSED;  in t4_init_l2t()
573 		spin_lock_init(&d->l2tab[i].lock);  in t4_init_l2t()
574 		atomic_set(&d->l2tab[i].refcnt, 0);  in t4_init_l2t()
576 	return d;  in t4_init_l2t()