libbpf: Deprecate bpf_{map,program}__{prev,next} APIs since v0.7
Deprecate bpf_{map,program}__{prev,next} APIs. Replace them with
a new set of APIs named bpf_object__{prev,next}_{program,map} which
follow the libbpf API naming convention ([0]). No functionality changes.
[0] Closes: https://github.com/libbpf/libbpf/issues/296
Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20211003165844.4054931-2-hengqi.chen@gmail.com
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 4b90878..ed313fd 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -7835,6 +7835,12 @@
struct bpf_program *
bpf_program__next(struct bpf_program *prev, const struct bpf_object *obj)
{
+ return bpf_object__next_program(obj, prev);
+}
+
+struct bpf_program *
+bpf_object__next_program(const struct bpf_object *obj, struct bpf_program *prev)
+{
struct bpf_program *prog = prev;
do {
@@ -7847,6 +7853,12 @@
struct bpf_program *
bpf_program__prev(struct bpf_program *next, const struct bpf_object *obj)
{
+ return bpf_object__prev_program(obj, next);
+}
+
+struct bpf_program *
+bpf_object__prev_program(const struct bpf_object *obj, struct bpf_program *next)
+{
struct bpf_program *prog = next;
do {
@@ -8779,6 +8791,12 @@
struct bpf_map *
bpf_map__next(const struct bpf_map *prev, const struct bpf_object *obj)
{
+ return bpf_object__next_map(obj, prev);
+}
+
+struct bpf_map *
+bpf_object__next_map(const struct bpf_object *obj, const struct bpf_map *prev)
+{
if (prev == NULL)
return obj->maps;
@@ -8788,6 +8806,12 @@
struct bpf_map *
bpf_map__prev(const struct bpf_map *next, const struct bpf_object *obj)
{
+ return bpf_object__prev_map(obj, next);
+}
+
+struct bpf_map *
+bpf_object__prev_map(const struct bpf_object *obj, const struct bpf_map *next)
+{
if (next == NULL) {
if (!obj->nr_maps)
return NULL;
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index df10d14..89ca9c8 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -190,16 +190,22 @@
/* Accessors of bpf_program */
struct bpf_program;
-LIBBPF_API struct bpf_program *bpf_program__next(struct bpf_program *prog,
- const struct bpf_object *obj);
+LIBBPF_API LIBBPF_DEPRECATED_SINCE(0, 7, "use bpf_object__next_program() instead")
+struct bpf_program *bpf_program__next(struct bpf_program *prog,
+ const struct bpf_object *obj);
+LIBBPF_API struct bpf_program *
+bpf_object__next_program(const struct bpf_object *obj, struct bpf_program *prog);
-#define bpf_object__for_each_program(pos, obj) \
- for ((pos) = bpf_program__next(NULL, (obj)); \
- (pos) != NULL; \
- (pos) = bpf_program__next((pos), (obj)))
+#define bpf_object__for_each_program(pos, obj) \
+ for ((pos) = bpf_object__next_program((obj), NULL); \
+ (pos) != NULL; \
+ (pos) = bpf_object__next_program((obj), (pos)))
-LIBBPF_API struct bpf_program *bpf_program__prev(struct bpf_program *prog,
- const struct bpf_object *obj);
+LIBBPF_API LIBBPF_DEPRECATED_SINCE(0, 7, "use bpf_object__prev_program() instead")
+struct bpf_program *bpf_program__prev(struct bpf_program *prog,
+ const struct bpf_object *obj);
+LIBBPF_API struct bpf_program *
+bpf_object__prev_program(const struct bpf_object *obj, struct bpf_program *prog);
typedef void (*bpf_program_clear_priv_t)(struct bpf_program *, void *);
@@ -503,16 +509,21 @@
LIBBPF_API struct bpf_map *
bpf_object__find_map_by_offset(struct bpf_object *obj, size_t offset);
+LIBBPF_API LIBBPF_DEPRECATED_SINCE(0, 7, "use bpf_object__next_map() instead")
+struct bpf_map *bpf_map__next(const struct bpf_map *map, const struct bpf_object *obj);
LIBBPF_API struct bpf_map *
-bpf_map__next(const struct bpf_map *map, const struct bpf_object *obj);
+bpf_object__next_map(const struct bpf_object *obj, const struct bpf_map *map);
+
#define bpf_object__for_each_map(pos, obj) \
- for ((pos) = bpf_map__next(NULL, (obj)); \
+ for ((pos) = bpf_object__next_map((obj), NULL); \
(pos) != NULL; \
- (pos) = bpf_map__next((pos), (obj)))
+ (pos) = bpf_object__next_map((obj), (pos)))
#define bpf_map__for_each bpf_object__for_each_map
+LIBBPF_API LIBBPF_DEPRECATED_SINCE(0, 7, "use bpf_object__prev_map() instead")
+struct bpf_map *bpf_map__prev(const struct bpf_map *map, const struct bpf_object *obj);
LIBBPF_API struct bpf_map *
-bpf_map__prev(const struct bpf_map *map, const struct bpf_object *obj);
+bpf_object__prev_map(const struct bpf_object *obj, const struct bpf_map *map);
/**
* @brief **bpf_map__fd()** gets the file descriptor of the passed
diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map
index f6b0db1e..f270d25 100644
--- a/tools/lib/bpf/libbpf.map
+++ b/tools/lib/bpf/libbpf.map
@@ -389,6 +389,10 @@
LIBBPF_0.6.0 {
global:
+ bpf_object__next_map;
+ bpf_object__next_program;
+ bpf_object__prev_map;
+ bpf_object__prev_program;
btf__add_btf;
btf__add_tag;
} LIBBPF_0.5.0;
