645 static int cnic_init_id_tbl(struct cnic_id_tbl *id_tbl, u32 size, u32 start_id,  in cnic_init_id_tbl()  argument
648 	id_tbl->start = start_id;  in cnic_init_id_tbl()
649 	id_tbl->max = size;  in cnic_init_id_tbl()
650 	id_tbl->next = next;  in cnic_init_id_tbl()
651 	spin_lock_init(&id_tbl->lock);  in cnic_init_id_tbl()
652 	id_tbl->table = kzalloc(DIV_ROUND_UP(size, 32) * 4, GFP_KERNEL);  in cnic_init_id_tbl()
653 	if (!id_tbl->table)  in cnic_init_id_tbl()
659 static void cnic_free_id_tbl(struct cnic_id_tbl *id_tbl)  in cnic_free_id_tbl()  argument
661 	kfree(id_tbl->table);  in cnic_free_id_tbl()
662 	id_tbl->table = NULL;  in cnic_free_id_tbl()
665 static int cnic_alloc_id(struct cnic_id_tbl *id_tbl, u32 id)  in cnic_alloc_id()  argument
669 	id -= id_tbl->start;  in cnic_alloc_id()
670 	if (id >= id_tbl->max)  in cnic_alloc_id()
673 	spin_lock(&id_tbl->lock);  in cnic_alloc_id()
674 	if (!test_bit(id, id_tbl->table)) {  in cnic_alloc_id()
675 		set_bit(id, id_tbl->table);  in cnic_alloc_id()
678 	spin_unlock(&id_tbl->lock);  in cnic_alloc_id()
683 static u32 cnic_alloc_new_id(struct cnic_id_tbl *id_tbl)  in cnic_alloc_new_id()  argument
687 	spin_lock(&id_tbl->lock);  in cnic_alloc_new_id()
688 	id = find_next_zero_bit(id_tbl->table, id_tbl->max, id_tbl->next);  in cnic_alloc_new_id()
689 	if (id >= id_tbl->max) {  in cnic_alloc_new_id()
691 		if (id_tbl->next != 0) {  in cnic_alloc_new_id()
692 			id = find_first_zero_bit(id_tbl->table, id_tbl->next);  in cnic_alloc_new_id()
693 			if (id >= id_tbl->next)  in cnic_alloc_new_id()
698 	if (id < id_tbl->max) {  in cnic_alloc_new_id()
699 		set_bit(id, id_tbl->table);  in cnic_alloc_new_id()
700 		id_tbl->next = (id + 1) & (id_tbl->max - 1);  in cnic_alloc_new_id()
701 		id += id_tbl->start;  in cnic_alloc_new_id()
704 	spin_unlock(&id_tbl->lock);  in cnic_alloc_new_id()
709 static void cnic_free_id(struct cnic_id_tbl *id_tbl, u32 id)  in cnic_free_id()  argument
714 	id -= id_tbl->start;  in cnic_free_id()
715 	if (id >= id_tbl->max)  in cnic_free_id()
718 	clear_bit(id, id_tbl->table);  in cnic_free_id()