26 	for (i = 0; i < array->map.max_entries; i++) {  in bpf_array_free_percpu()
37 	for (i = 0; i < array->map.max_entries; i++) {  in bpf_array_alloc_percpu()
38 		ptr = bpf_map_alloc_percpu(&array->map, array->elem_size, 8,  in bpf_array_alloc_percpu()
143 	array->map.bypass_spec_v1 = bypass_spec_v1;  in array_map_alloc()
146 	bpf_map_init_from_attr(&array->map, attr);  in array_map_alloc()
154 	return &array->map;  in array_map_alloc()
163 static void *array_map_lookup_elem(struct bpf_map *map, void *key)  in array_map_lookup_elem()  argument
165 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in array_map_lookup_elem()
168 	if (unlikely(index >= array->map.max_entries))  in array_map_lookup_elem()
174 static int array_map_direct_value_addr(const struct bpf_map *map, u64 *imm,  in array_map_direct_value_addr()  argument
177 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in array_map_direct_value_addr()
179 	if (map->max_entries != 1)  in array_map_direct_value_addr()
181 	if (off >= map->value_size)  in array_map_direct_value_addr()
188 static int array_map_direct_value_meta(const struct bpf_map *map, u64 imm,  in array_map_direct_value_meta()  argument
191 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in array_map_direct_value_meta()
195 	if (map->max_entries != 1)  in array_map_direct_value_meta()
205 static int array_map_gen_lookup(struct bpf_map *map, struct bpf_insn *insn_buf)  in array_map_gen_lookup()  argument
207 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in array_map_gen_lookup()
214 	if (map->map_flags & BPF_F_INNER_MAP)  in array_map_gen_lookup()
219 	if (!map->bypass_spec_v1) {  in array_map_gen_lookup()
220 		*insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 4);  in array_map_gen_lookup()
223 		*insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 3);  in array_map_gen_lookup()
238 static void *percpu_array_map_lookup_elem(struct bpf_map *map, void *key)  in percpu_array_map_lookup_elem()  argument
240 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in percpu_array_map_lookup_elem()
243 	if (unlikely(index >= array->map.max_entries))  in percpu_array_map_lookup_elem()
249 static void *percpu_array_map_lookup_percpu_elem(struct bpf_map *map, void *key, u32 cpu)  in percpu_array_map_lookup_percpu_elem()  argument
251 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in percpu_array_map_lookup_percpu_elem()
257 	if (unlikely(index >= array->map.max_entries))  in percpu_array_map_lookup_percpu_elem()
263 int bpf_percpu_array_copy(struct bpf_map *map, void *key, void *value)  in bpf_percpu_array_copy()  argument
265 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in bpf_percpu_array_copy()
271 	if (unlikely(index >= array->map.max_entries))  in bpf_percpu_array_copy()
282 		copy_map_value_long(map, value + off, per_cpu_ptr(pptr, cpu));  in bpf_percpu_array_copy()
283 		check_and_init_map_value(map, value + off);  in bpf_percpu_array_copy()
291 static int array_map_get_next_key(struct bpf_map *map, void *key, void *next_key)  in array_map_get_next_key()  argument
293 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in array_map_get_next_key()
297 	if (index >= array->map.max_entries) {  in array_map_get_next_key()
302 	if (index == array->map.max_entries - 1)  in array_map_get_next_key()
310 static long array_map_update_elem(struct bpf_map *map, void *key, void *value,  in array_map_update_elem()  argument
313 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in array_map_update_elem()
321 	if (unlikely(index >= array->map.max_entries))  in array_map_update_elem()
330 		     !btf_record_has_field(map->record, BPF_SPIN_LOCK)))  in array_map_update_elem()
333 	if (array->map.map_type == BPF_MAP_TYPE_PERCPU_ARRAY) {  in array_map_update_elem()
335 		copy_map_value(map, val, value);  in array_map_update_elem()
336 		bpf_obj_free_fields(array->map.record, val);  in array_map_update_elem()
341 			copy_map_value_locked(map, val, value, false);  in array_map_update_elem()
343 			copy_map_value(map, val, value);  in array_map_update_elem()
344 		bpf_obj_free_fields(array->map.record, val);  in array_map_update_elem()
349 int bpf_percpu_array_update(struct bpf_map *map, void *key, void *value,  in bpf_percpu_array_update()  argument
352 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in bpf_percpu_array_update()
362 	if (unlikely(index >= array->map.max_entries))  in bpf_percpu_array_update()
380 		copy_map_value_long(map, per_cpu_ptr(pptr, cpu), value + off);  in bpf_percpu_array_update()
381 		bpf_obj_free_fields(array->map.record, per_cpu_ptr(pptr, cpu));  in bpf_percpu_array_update()
389 static long array_map_delete_elem(struct bpf_map *map, void *key)  in array_map_delete_elem()  argument
399 static void array_map_free_timers(struct bpf_map *map)  in array_map_free_timers()  argument
401 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in array_map_free_timers()
405 	if (!btf_record_has_field(map->record, BPF_TIMER))  in array_map_free_timers()
408 	for (i = 0; i < array->map.max_entries; i++)  in array_map_free_timers()
409 		bpf_obj_free_timer(map->record, array_map_elem_ptr(array, i));  in array_map_free_timers()
413 static void array_map_free(struct bpf_map *map)  in array_map_free()  argument
415 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in array_map_free()
418 	if (!IS_ERR_OR_NULL(map->record)) {  in array_map_free()
419 		if (array->map.map_type == BPF_MAP_TYPE_PERCPU_ARRAY) {  in array_map_free()
420 			for (i = 0; i < array->map.max_entries; i++) {  in array_map_free()
425 					bpf_obj_free_fields(map->record, per_cpu_ptr(pptr, cpu));  in array_map_free()
430 			for (i = 0; i < array->map.max_entries; i++)  in array_map_free()
431 				bpf_obj_free_fields(map->record, array_map_elem_ptr(array, i));  in array_map_free()
435 	if (array->map.map_type == BPF_MAP_TYPE_PERCPU_ARRAY)  in array_map_free()
438 	if (array->map.map_flags & BPF_F_MMAPABLE)  in array_map_free()
444 static void array_map_seq_show_elem(struct bpf_map *map, void *key,  in array_map_seq_show_elem()  argument
451 	value = array_map_lookup_elem(map, key);  in array_map_seq_show_elem()
457 	if (map->btf_key_type_id)  in array_map_seq_show_elem()
459 	btf_type_seq_show(map->btf, map->btf_value_type_id, value, m);  in array_map_seq_show_elem()
465 static void percpu_array_map_seq_show_elem(struct bpf_map *map, void *key,  in percpu_array_map_seq_show_elem()  argument
468 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in percpu_array_map_seq_show_elem()
479 		btf_type_seq_show(map->btf, map->btf_value_type_id,  in percpu_array_map_seq_show_elem()
488 static int array_map_check_btf(const struct bpf_map *map,  in array_map_check_btf()  argument
497 		if (map->map_type != BPF_MAP_TYPE_ARRAY ||  in array_map_check_btf()
498 		    map->max_entries != 1)  in array_map_check_btf()
520 static int array_map_mmap(struct bpf_map *map, struct vm_area_struct *vma)  in array_map_mmap()  argument
522 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in array_map_mmap()
525 	if (!(map->map_flags & BPF_F_MMAPABLE))  in array_map_mmap()
529 	    PAGE_ALIGN((u64)array->map.max_entries * array->elem_size))  in array_map_mmap()
546 	struct bpf_map *map;  member
554 	struct bpf_map *map = info->map;  in bpf_array_map_seq_start()  local
558 	if (info->index >= map->max_entries)  in bpf_array_map_seq_start()
563 	array = container_of(map, struct bpf_array, map);  in bpf_array_map_seq_start()
573 	struct bpf_map *map = info->map;  in bpf_array_map_seq_next()  local
579 	if (info->index >= map->max_entries)  in bpf_array_map_seq_next()
582 	array = container_of(map, struct bpf_array, map);  in bpf_array_map_seq_next()
593 	struct bpf_map *map = info->map;  in __bpf_array_map_seq_show()  local
594 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in __bpf_array_map_seq_show()
607 	ctx.map = info->map;  in __bpf_array_map_seq_show()
617 				copy_map_value_long(map, info->percpu_value_buf + off,  in __bpf_array_map_seq_show()
619 				check_and_init_map_value(map, info->percpu_value_buf + off);  in __bpf_array_map_seq_show()
644 	struct bpf_map *map = aux->map;  in bpf_iter_init_array_map()  local
645 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in bpf_iter_init_array_map()
649 	if (map->map_type == BPF_MAP_TYPE_PERCPU_ARRAY) {  in bpf_iter_init_array_map()
662 	bpf_map_inc_with_uref(map);  in bpf_iter_init_array_map()
663 	seq_info->map = map;  in bpf_iter_init_array_map()
671 	bpf_map_put_with_uref(seq_info->map);  in bpf_iter_fini_array_map()
689 static long bpf_for_each_array_elem(struct bpf_map *map, bpf_callback_t callback_fn,  in bpf_for_each_array_elem()  argument
701 	is_percpu = map->map_type == BPF_MAP_TYPE_PERCPU_ARRAY;  in bpf_for_each_array_elem()
702 	array = container_of(map, struct bpf_array, map);  in bpf_for_each_array_elem()
705 	for (i = 0; i < map->max_entries; i++) {  in bpf_for_each_array_elem()
712 		ret = callback_fn((u64)(long)map, (u64)(long)&key,  in bpf_for_each_array_elem()
724 static u64 array_map_mem_usage(const struct bpf_map *map)  in array_map_mem_usage()  argument
726 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in array_map_mem_usage()
727 	bool percpu = map->map_type == BPF_MAP_TYPE_PERCPU_ARRAY;  in array_map_mem_usage()
729 	u64 entries = map->max_entries;  in array_map_mem_usage()
736 		if (map->map_flags & BPF_F_MMAPABLE) {  in array_map_mem_usage()
804 static void fd_array_map_free(struct bpf_map *map)  in fd_array_map_free()  argument
806 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in fd_array_map_free()
810 	for (i = 0; i < array->map.max_entries; i++)  in fd_array_map_free()
816 static void *fd_array_map_lookup_elem(struct bpf_map *map, void *key)  in fd_array_map_lookup_elem()  argument
822 int bpf_fd_array_map_lookup_elem(struct bpf_map *map, void *key, u32 *value)  in bpf_fd_array_map_lookup_elem()  argument
827 	if (!map->ops->map_fd_sys_lookup_elem)  in bpf_fd_array_map_lookup_elem()
831 	elem = array_map_lookup_elem(map, key);  in bpf_fd_array_map_lookup_elem()
833 		*value = map->ops->map_fd_sys_lookup_elem(ptr);  in bpf_fd_array_map_lookup_elem()
842 int bpf_fd_array_map_update_elem(struct bpf_map *map, struct file *map_file,  in bpf_fd_array_map_update_elem()  argument
845 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in bpf_fd_array_map_update_elem()
852 	if (index >= array->map.max_entries)  in bpf_fd_array_map_update_elem()
856 	new_ptr = map->ops->map_fd_get_ptr(map, map_file, ufd);  in bpf_fd_array_map_update_elem()
860 	if (map->ops->map_poke_run) {  in bpf_fd_array_map_update_elem()
863 		map->ops->map_poke_run(map, index, old_ptr, new_ptr);  in bpf_fd_array_map_update_elem()
870 		map->ops->map_fd_put_ptr(map, old_ptr, true);  in bpf_fd_array_map_update_elem()
874 static long __fd_array_map_delete_elem(struct bpf_map *map, void *key, bool need_defer)  in __fd_array_map_delete_elem()  argument
876 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in __fd_array_map_delete_elem()
880 	if (index >= array->map.max_entries)  in __fd_array_map_delete_elem()
883 	if (map->ops->map_poke_run) {  in __fd_array_map_delete_elem()
886 		map->ops->map_poke_run(map, index, old_ptr, NULL);  in __fd_array_map_delete_elem()
893 		map->ops->map_fd_put_ptr(map, old_ptr, need_defer);  in __fd_array_map_delete_elem()
900 static long fd_array_map_delete_elem(struct bpf_map *map, void *key)  in fd_array_map_delete_elem()  argument
902 	return __fd_array_map_delete_elem(map, key, true);  in fd_array_map_delete_elem()
905 static void *prog_fd_array_get_ptr(struct bpf_map *map,  in prog_fd_array_get_ptr()  argument
913 	if (!bpf_prog_map_compatible(map, prog)) {  in prog_fd_array_get_ptr()
921 static void prog_fd_array_put_ptr(struct bpf_map *map, void *ptr, bool need_defer)  in prog_fd_array_put_ptr()  argument
933 static void bpf_fd_array_map_clear(struct bpf_map *map, bool need_defer)  in bpf_fd_array_map_clear()  argument
935 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in bpf_fd_array_map_clear()
938 	for (i = 0; i < array->map.max_entries; i++)  in bpf_fd_array_map_clear()
939 		__fd_array_map_delete_elem(map, &i, need_defer);  in bpf_fd_array_map_clear()
942 static void prog_array_map_seq_show_elem(struct bpf_map *map, void *key,  in prog_array_map_seq_show_elem()  argument
950 	elem = array_map_lookup_elem(map, key);  in prog_array_map_seq_show_elem()
956 			btf_type_seq_show(map->btf, map->btf_value_type_id,  in prog_array_map_seq_show_elem()
970 static int prog_array_map_poke_track(struct bpf_map *map,  in prog_array_map_poke_track()  argument
977 	aux = container_of(map, struct bpf_array, map)->aux;  in prog_array_map_poke_track()
1003 static void prog_array_map_poke_untrack(struct bpf_map *map,  in prog_array_map_poke_untrack()  argument
1009 	aux = container_of(map, struct bpf_array, map)->aux;  in prog_array_map_poke_untrack()
1027 static void prog_array_map_poke_run(struct bpf_map *map, u32 key,  in prog_array_map_poke_run()  argument
1034 	aux = container_of(map, struct bpf_array, map)->aux;  in prog_array_map_poke_run()
1067 			if (poke->tail_call.map != map ||  in prog_array_map_poke_run()
1078 	struct bpf_map *map = container_of(work, struct bpf_array_aux,  in prog_array_map_clear_deferred()  local
1079 					   work)->map;  in prog_array_map_clear_deferred()
1080 	bpf_fd_array_map_clear(map, true);  in prog_array_map_clear_deferred()
1081 	bpf_map_put(map);  in prog_array_map_clear_deferred()
1084 static void prog_array_map_clear(struct bpf_map *map)  in prog_array_map_clear()  argument
1086 	struct bpf_array_aux *aux = container_of(map, struct bpf_array,  in prog_array_map_clear()
1087 						 map)->aux;  in prog_array_map_clear()
1088 	bpf_map_inc(map);  in prog_array_map_clear()
1095 	struct bpf_map *map;  in prog_array_map_alloc()  local
1105 	map = array_map_alloc(attr);  in prog_array_map_alloc()
1106 	if (IS_ERR(map)) {  in prog_array_map_alloc()
1108 		return map;  in prog_array_map_alloc()
1111 	container_of(map, struct bpf_array, map)->aux = aux;  in prog_array_map_alloc()
1112 	aux->map = map;  in prog_array_map_alloc()
1114 	return map;  in prog_array_map_alloc()
1117 static void prog_array_map_free(struct bpf_map *map)  in prog_array_map_free()  argument
1122 	aux = container_of(map, struct bpf_array, map)->aux;  in prog_array_map_free()
1128 	fd_array_map_free(map);  in prog_array_map_free()
1184 static void *perf_event_fd_array_get_ptr(struct bpf_map *map,  in perf_event_fd_array_get_ptr()  argument
1210 static void perf_event_fd_array_put_ptr(struct bpf_map *map, void *ptr, bool need_defer)  in perf_event_fd_array_put_ptr()  argument
1216 static void perf_event_fd_array_release(struct bpf_map *map,  in perf_event_fd_array_release()  argument
1219 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in perf_event_fd_array_release()
1223 	if (map->map_flags & BPF_F_PRESERVE_ELEMS)  in perf_event_fd_array_release()
1227 	for (i = 0; i < array->map.max_entries; i++) {  in perf_event_fd_array_release()
1230 			__fd_array_map_delete_elem(map, &i, true);  in perf_event_fd_array_release()
1235 static void perf_event_fd_array_map_free(struct bpf_map *map)  in perf_event_fd_array_map_free()  argument
1237 	if (map->map_flags & BPF_F_PRESERVE_ELEMS)  in perf_event_fd_array_map_free()
1238 		bpf_fd_array_map_clear(map, false);  in perf_event_fd_array_map_free()
1239 	fd_array_map_free(map);  in perf_event_fd_array_map_free()
1259 static void *cgroup_fd_array_get_ptr(struct bpf_map *map,  in cgroup_fd_array_get_ptr()  argument
1266 static void cgroup_fd_array_put_ptr(struct bpf_map *map, void *ptr, bool need_defer)  in cgroup_fd_array_put_ptr()  argument
1272 static void cgroup_fd_array_free(struct bpf_map *map)  in cgroup_fd_array_free()  argument
1274 	bpf_fd_array_map_clear(map, false);  in cgroup_fd_array_free()
1275 	fd_array_map_free(map);  in cgroup_fd_array_free()
1296 	struct bpf_map *map, *inner_map_meta;  in array_of_map_alloc()  local
1302 	map = array_map_alloc(attr);  in array_of_map_alloc()
1303 	if (IS_ERR(map)) {  in array_of_map_alloc()
1305 		return map;  in array_of_map_alloc()
1308 	map->inner_map_meta = inner_map_meta;  in array_of_map_alloc()
1310 	return map;  in array_of_map_alloc()
1313 static void array_of_map_free(struct bpf_map *map)  in array_of_map_free()  argument
1318 	bpf_map_meta_free(map->inner_map_meta);  in array_of_map_free()
1319 	bpf_fd_array_map_clear(map, false);  in array_of_map_free()
1320 	fd_array_map_free(map);  in array_of_map_free()
1323 static void *array_of_map_lookup_elem(struct bpf_map *map, void *key)  in array_of_map_lookup_elem()  argument
1325 	struct bpf_map **inner_map = array_map_lookup_elem(map, key);  in array_of_map_lookup_elem()
1333 static int array_of_map_gen_lookup(struct bpf_map *map,  in array_of_map_gen_lookup()  argument
1336 	struct bpf_array *array = container_of(map, struct bpf_array, map);  in array_of_map_gen_lookup()
1345 	if (!map->bypass_spec_v1) {  in array_of_map_gen_lookup()
1346 		*insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 6);  in array_of_map_gen_lookup()
1349 		*insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 5);  in array_of_map_gen_lookup()