27 	struct bpf_map map;  member
53 static inline bool stack_map_use_build_id(struct bpf_map *map)  in stack_map_use_build_id()  argument
55 	return (map->map_flags & BPF_F_STACK_BUILD_ID);  in stack_map_use_build_id()
58 static inline int stack_map_data_size(struct bpf_map *map)  in stack_map_data_size()  argument
60 	return stack_map_use_build_id(map) ?  in stack_map_data_size()
67 			(u64)smap->map.value_size;  in prealloc_elems_and_freelist()
70 	smap->elems = bpf_map_area_alloc(elem_size * smap->map.max_entries,  in prealloc_elems_and_freelist()
71 					 smap->map.numa_node);  in prealloc_elems_and_freelist()
80 			       smap->map.max_entries);  in prealloc_elems_and_freelist()
126 	bpf_map_init_from_attr(&smap->map, attr);  in stack_map_alloc()
127 	smap->map.value_size = value_size;  in stack_map_alloc()
138 	return &smap->map;  in stack_map_alloc()
257 static long __bpf_get_stackid(struct bpf_map *map,  in __bpf_get_stackid()  argument
260 	struct bpf_stack_map *smap = container_of(map, struct bpf_stack_map, map);  in __bpf_get_stackid()
284 	if (stack_map_use_build_id(map)) {  in __bpf_get_stackid()
327 BPF_CALL_3(bpf_get_stackid, struct pt_regs *, regs, struct bpf_map *, map,  in BPF_CALL_3()  argument
330 	u32 max_depth = map->value_size / stack_map_data_size(map);  in BPF_CALL_3()
351 	return __bpf_get_stackid(map, trace, flags);  in BPF_CALL_3()
376 	   struct bpf_map *, map, u64, flags)  in BPF_CALL_3()  argument
387 				       (unsigned long) map, flags, 0, 0);  in BPF_CALL_3()
406 		ret = __bpf_get_stackid(map, trace, flags);  in BPF_CALL_3()
418 		ret = __bpf_get_stackid(map, trace, flags);  in BPF_CALL_3()
616 static void *stack_map_lookup_elem(struct bpf_map *map, void *key)  in stack_map_lookup_elem()  argument
622 int bpf_stackmap_copy(struct bpf_map *map, void *key, void *value)  in bpf_stackmap_copy()  argument
624 	struct bpf_stack_map *smap = container_of(map, struct bpf_stack_map, map);  in bpf_stackmap_copy()
635 	trace_len = bucket->nr * stack_map_data_size(map);  in bpf_stackmap_copy()
637 	memset(value + trace_len, 0, map->value_size - trace_len);  in bpf_stackmap_copy()
645 static int stack_map_get_next_key(struct bpf_map *map, void *key,  in stack_map_get_next_key()  argument
648 	struct bpf_stack_map *smap = container_of(map,  in stack_map_get_next_key()
649 						  struct bpf_stack_map, map);  in stack_map_get_next_key()
674 static int stack_map_update_elem(struct bpf_map *map, void *key, void *value,  in stack_map_update_elem()  argument
681 static int stack_map_delete_elem(struct bpf_map *map, void *key)  in stack_map_delete_elem()  argument
683 	struct bpf_stack_map *smap = container_of(map, struct bpf_stack_map, map);  in stack_map_delete_elem()
700 static void stack_map_free(struct bpf_map *map)  in stack_map_free()  argument
702 	struct bpf_stack_map *smap = container_of(map, struct bpf_stack_map, map);  in stack_map_free()