72 static inline void l2t_hold(struct l2t_data *d, struct l2t_entry *e)  in l2t_hold()  argument
75 		atomic_dec(&d->nfree);  in l2t_hold()
88 static inline unsigned int arp_hash(struct l2t_data *d, const u32 *key,  in arp_hash()  argument
91 	unsigned int l2t_size_half = d->l2t_size / 2;  in arp_hash()
96 static inline unsigned int ipv6_hash(struct l2t_data *d, const u32 *key,  in ipv6_hash()  argument
99 	unsigned int l2t_size_half = d->l2t_size / 2;  in ipv6_hash()
106 static unsigned int addr_hash(struct l2t_data *d, const u32 *addr,  in addr_hash()  argument
109 	return addr_len == 4 ? arp_hash(d, addr, ifindex) :  in addr_hash()
110 			       ipv6_hash(d, addr, ifindex);  in addr_hash()
142 	struct l2t_data *d = adap->l2t;  in write_l2e()  local
143 	unsigned int l2t_idx = e->idx + d->l2t_start;  in write_l2e()
195 	struct l2t_data *d = adap->l2t;  in do_l2t_write_rpl()  local
207 		struct l2t_entry *e = &d->l2tab[l2t_idx - d->l2t_start];  in do_l2t_write_rpl()
274 static struct l2t_entry *alloc_l2e(struct l2t_data *d)  in alloc_l2e()  argument
278 	if (!atomic_read(&d->nfree))  in alloc_l2e()
282 	for (e = d->rover, end = &d->l2tab[d->l2t_size]; e != end; ++e)  in alloc_l2e()
286 	for (e = d->l2tab; atomic_read(&e->refcnt); ++e)  in alloc_l2e()
289 	d->rover = e + 1;  in alloc_l2e()
290 	atomic_dec(&d->nfree);  in alloc_l2e()
297 		for (p = &d->l2tab[e->hash].first; *p; p = &(*p)->next)  in alloc_l2e()
313 	struct l2t_data *d;  in t4_l2e_free()  local
331 	d = container_of(e, struct l2t_data, l2tab[e->idx]);  in t4_l2e_free()
332 	atomic_inc(&d->nfree);  in t4_l2e_free()
364 struct l2t_entry *cxgb4_l2t_get(struct l2t_data *d, struct neighbour *neigh,  in cxgb4_l2t_get()  argument
374 	int hash = addr_hash(d, addr, addr_len, ifidx);  in cxgb4_l2t_get()
386 	write_lock_bh(&d->lock);  in cxgb4_l2t_get()
387 	for (e = d->l2tab[hash].first; e; e = e->next)  in cxgb4_l2t_get()
390 			l2t_hold(d, e);  in cxgb4_l2t_get()
397 	e = alloc_l2e(d);  in cxgb4_l2t_get()
411 		e->next = d->l2tab[hash].first;  in cxgb4_l2t_get()
412 		d->l2tab[hash].first = e;  in cxgb4_l2t_get()
416 	write_unlock_bh(&d->lock);  in cxgb4_l2t_get()
483 	struct l2t_data *d = adap->l2t;  in t4_l2t_update()  local
487 	int hash = addr_hash(d, addr, addr_len, ifidx);  in t4_l2t_update()
489 	read_lock_bh(&d->lock);  in t4_l2t_update()
490 	for (e = d->l2tab[hash].first; e; e = e->next)  in t4_l2t_update()
498 	read_unlock_bh(&d->lock);  in t4_l2t_update()
502 	read_unlock(&d->lock);  in t4_l2t_update()
532 struct l2t_entry *t4_l2t_alloc_switching(struct l2t_data *d)  in t4_l2t_alloc_switching()  argument
536 	write_lock_bh(&d->lock);  in t4_l2t_alloc_switching()
537 	e = alloc_l2e(d);  in t4_l2t_alloc_switching()
544 	write_unlock_bh(&d->lock);  in t4_l2t_alloc_switching()
564 	struct l2t_data *d;  in t4_init_l2t()  local
572 	d = t4_alloc_mem(sizeof(*d) + l2t_size * sizeof(struct l2t_entry));  in t4_init_l2t()
573 	if (!d)  in t4_init_l2t()
576 	d->l2t_start = l2t_start;  in t4_init_l2t()
577 	d->l2t_size = l2t_size;  in t4_init_l2t()
579 	d->rover = d->l2tab;  in t4_init_l2t()
580 	atomic_set(&d->nfree, l2t_size);  in t4_init_l2t()
581 	rwlock_init(&d->lock);  in t4_init_l2t()
583 	for (i = 0; i < d->l2t_size; ++i) {  in t4_init_l2t()
584 		d->l2tab[i].idx = i;  in t4_init_l2t()
585 		d->l2tab[i].state = L2T_STATE_UNUSED;  in t4_init_l2t()
586 		spin_lock_init(&d->l2tab[i].lock);  in t4_init_l2t()
587 		atomic_set(&d->l2tab[i].refcnt, 0);  in t4_init_l2t()
589 	return d;  in t4_init_l2t()
594 	struct l2t_data *d = seq->private;  in l2t_get_idx()  local
596 	return pos >= d->l2t_size ? NULL : &d->l2tab[pos];  in l2t_get_idx()
636 		struct l2t_data *d = seq->private;  in l2t_seq_show()  local
645 			   e->idx + d->l2t_start, ip, e->dmac,  in l2t_seq_show()