27 	struct bpf_map map;  member
34 static inline bool stack_map_use_build_id(struct bpf_map *map)  in stack_map_use_build_id()  argument
36 	return (map->map_flags & BPF_F_STACK_BUILD_ID);  in stack_map_use_build_id()
39 static inline int stack_map_data_size(struct bpf_map *map)  in stack_map_data_size()  argument
41 	return stack_map_use_build_id(map) ?  in stack_map_data_size()
48 			(u64)smap->map.value_size;  in prealloc_elems_and_freelist()
51 	smap->elems = bpf_map_area_alloc(elem_size * smap->map.max_entries,  in prealloc_elems_and_freelist()
52 					 smap->map.numa_node);  in prealloc_elems_and_freelist()
61 			       smap->map.max_entries);  in prealloc_elems_and_freelist()
107 	bpf_map_init_from_attr(&smap->map, attr);  in stack_map_alloc()
118 	return &smap->map;  in stack_map_alloc()
213 static long __bpf_get_stackid(struct bpf_map *map,  in __bpf_get_stackid()  argument
216 	struct bpf_stack_map *smap = container_of(map, struct bpf_stack_map, map);  in __bpf_get_stackid()
240 	if (stack_map_use_build_id(map)) {  in __bpf_get_stackid()
283 BPF_CALL_3(bpf_get_stackid, struct pt_regs *, regs, struct bpf_map *, map,  in BPF_CALL_3()  argument
286 	u32 max_depth = map->value_size / stack_map_data_size(map);  in BPF_CALL_3()
307 	return __bpf_get_stackid(map, trace, flags);  in BPF_CALL_3()
332 	   struct bpf_map *, map, u64, flags)  in BPF_CALL_3()  argument
343 				       (unsigned long) map, flags, 0, 0);  in BPF_CALL_3()
362 		ret = __bpf_get_stackid(map, trace, flags);  in BPF_CALL_3()
374 		ret = __bpf_get_stackid(map, trace, flags);  in BPF_CALL_3()
572 static void *stack_map_lookup_elem(struct bpf_map *map, void *key)  in stack_map_lookup_elem()  argument
578 int bpf_stackmap_copy(struct bpf_map *map, void *key, void *value)  in bpf_stackmap_copy()  argument
580 	struct bpf_stack_map *smap = container_of(map, struct bpf_stack_map, map);  in bpf_stackmap_copy()
591 	trace_len = bucket->nr * stack_map_data_size(map);  in bpf_stackmap_copy()
593 	memset(value + trace_len, 0, map->value_size - trace_len);  in bpf_stackmap_copy()
601 static int stack_map_get_next_key(struct bpf_map *map, void *key,  in stack_map_get_next_key()  argument
604 	struct bpf_stack_map *smap = container_of(map,  in stack_map_get_next_key()
605 						  struct bpf_stack_map, map);  in stack_map_get_next_key()
630 static int stack_map_update_elem(struct bpf_map *map, void *key, void *value,  in stack_map_update_elem()  argument
637 static int stack_map_delete_elem(struct bpf_map *map, void *key)  in stack_map_delete_elem()  argument
639 	struct bpf_stack_map *smap = container_of(map, struct bpf_stack_map, map);  in stack_map_delete_elem()
656 static void stack_map_free(struct bpf_map *map)  in stack_map_free()  argument
658 	struct bpf_stack_map *smap = container_of(map, struct bpf_stack_map, map);  in stack_map_free()