26 	struct idset *set;  in idset_new()  local
28 	set = vmalloc(sizeof(struct idset) + bitmap_size(num_ssid, num_id));  in idset_new()
29 	if (set) {  in idset_new()
30 		set->num_ssid = num_ssid;  in idset_new()
31 		set->num_id = num_id;  in idset_new()
32 		memset(set->bitmap, 0, bitmap_size(num_ssid, num_id));  in idset_new()
34 	return set;  in idset_new()
37 void idset_free(struct idset *set)  in idset_free()  argument
39 	vfree(set);  in idset_free()
42 void idset_fill(struct idset *set)  in idset_fill()  argument
44 	memset(set->bitmap, 0xff, bitmap_size(set->num_ssid, set->num_id));  in idset_fill()
47 static inline void idset_add(struct idset *set, int ssid, int id)  in idset_add()  argument
49 	set_bit(ssid * set->num_id + id, set->bitmap);  in idset_add()
52 static inline void idset_del(struct idset *set, int ssid, int id)  in idset_del()  argument
54 	clear_bit(ssid * set->num_id + id, set->bitmap);  in idset_del()
57 static inline int idset_contains(struct idset *set, int ssid, int id)  in idset_contains()  argument
59 	return test_bit(ssid * set->num_id + id, set->bitmap);  in idset_contains()
62 static inline int idset_get_first(struct idset *set, int *ssid, int *id)  in idset_get_first()  argument
66 	bitnum = find_first_bit(set->bitmap, set->num_ssid * set->num_id);  in idset_get_first()
67 	if (bitnum >= set->num_ssid * set->num_id)  in idset_get_first()
69 	*ssid = bitnum / set->num_id;  in idset_get_first()
70 	*id = bitnum % set->num_id;  in idset_get_first()
79 void idset_sch_add(struct idset *set, struct subchannel_id schid)  in idset_sch_add()  argument
81 	idset_add(set, schid.ssid, schid.sch_no);  in idset_sch_add()
84 void idset_sch_del(struct idset *set, struct subchannel_id schid)  in idset_sch_del()  argument
86 	idset_del(set, schid.ssid, schid.sch_no);  in idset_sch_del()
90 void idset_sch_del_subseq(struct idset *set, struct subchannel_id schid)  in idset_sch_del_subseq()  argument
92 	int pos = schid.ssid * set->num_id + schid.sch_no;  in idset_sch_del_subseq()
94 	bitmap_clear(set->bitmap, pos, set->num_id - schid.sch_no);  in idset_sch_del_subseq()
97 int idset_sch_contains(struct idset *set, struct subchannel_id schid)  in idset_sch_contains()  argument
99 	return idset_contains(set, schid.ssid, schid.sch_no);  in idset_sch_contains()
102 int idset_is_empty(struct idset *set)  in idset_is_empty()  argument
104 	return bitmap_empty(set->bitmap, set->num_ssid * set->num_id);  in idset_is_empty()