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selftests/bpf: Move some tc_helpers.h functions to test_progs.h

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Move static inline functions id_from_prog_fd() and id_from_link_fd()
from prog_tests/tc_helpers.h to test_progs.h so these two functions
can be reused for later cgroup mprog selftests.

Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250606163151.2429325-1-yonghong.song@linux.dev
This commit is contained in:
Yonghong Song 2025-06-06 09:31:51 -07:00 committed by Andrii Nakryiko
parent 1d6711667c
commit c1bb68656b
2 changed files with 28 additions and 28 deletions
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28
tools/testing/selftests/bpf/prog_tests/tc_helpers.h
View File

@ -8,34 +8,6 @@
# define loopback 1
#endif
static inline __u32 id_from_prog_fd(int fd)
{
struct bpf_prog_info prog_info = {};
__u32 prog_info_len = sizeof(prog_info);
int err;
err = bpf_obj_get_info_by_fd(fd, &prog_info, &prog_info_len);
if (!ASSERT_OK(err, "id_from_prog_fd"))
return 0;
ASSERT_NEQ(prog_info.id, 0, "prog_info.id");
return prog_info.id;
}
static inline __u32 id_from_link_fd(int fd)
{
struct bpf_link_info link_info = {};
__u32 link_info_len = sizeof(link_info);
int err;
err = bpf_link_get_info_by_fd(fd, &link_info, &link_info_len);
if (!ASSERT_OK(err, "id_from_link_fd"))
return 0;
ASSERT_NEQ(link_info.id, 0, "link_info.id");
return link_info.id;
}
static inline __u32 ifindex_from_link_fd(int fd)
{
struct bpf_link_info link_info = {};

28
tools/testing/selftests/bpf/test_progs.h
View File

@ -460,6 +460,34 @@ static inline void *u64_to_ptr(__u64 ptr)
return (void *) (unsigned long) ptr;
}
static inline __u32 id_from_prog_fd(int fd)
{
struct bpf_prog_info prog_info = {};
__u32 prog_info_len = sizeof(prog_info);
int err;
err = bpf_obj_get_info_by_fd(fd, &prog_info, &prog_info_len);
if (!ASSERT_OK(err, "id_from_prog_fd"))
return 0;
ASSERT_NEQ(prog_info.id, 0, "prog_info.id");
return prog_info.id;
}
static inline __u32 id_from_link_fd(int fd)
{
struct bpf_link_info link_info = {};
__u32 link_info_len = sizeof(link_info);
int err;
err = bpf_link_get_info_by_fd(fd, &link_info, &link_info_len);
if (!ASSERT_OK(err, "id_from_link_fd"))
return 0;
ASSERT_NEQ(link_info.id, 0, "link_info.id");
return link_info.id;
}
int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
int compare_map_keys(int map1_fd, int map2_fd);
int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);