1 // SPDX-License-Identifier: GPL-2.0
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()
67 void idset_sch_add(struct idset *set, struct subchannel_id schid)  in idset_sch_add()  argument
69 	idset_add(set, schid.ssid, schid.sch_no);  in idset_sch_add()
72 void idset_sch_del(struct idset *set, struct subchannel_id schid)  in idset_sch_del()  argument
74 	idset_del(set, schid.ssid, schid.sch_no);  in idset_sch_del()
77 /* Clear ids starting from @schid up to end of subchannel set. */
78 void idset_sch_del_subseq(struct idset *set, struct subchannel_id schid)  in idset_sch_del_subseq()  argument
80 	int pos = schid.ssid * set->num_id + schid.sch_no;  in idset_sch_del_subseq()
82 	bitmap_clear(set->bitmap, pos, set->num_id - schid.sch_no);  in idset_sch_del_subseq()
85 int idset_sch_contains(struct idset *set, struct subchannel_id schid)  in idset_sch_contains()  argument
87 	return idset_contains(set, schid.ssid, schid.sch_no);  in idset_sch_contains()
90 int idset_is_empty(struct idset *set)  in idset_is_empty()  argument
92 	return bitmap_empty(set->bitmap, set->num_ssid * set->num_id);  in idset_is_empty()
97 	int len = min(to->num_ssid * to->num_id, from->num_ssid * from->num_id);  in idset_add_set()
99 	bitmap_or(to->bitmap, to->bitmap, from->bitmap, len);  in idset_add_set()