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selftests/bpf: Let libbpf determine program type from section name

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Now that libbpf can recognize SK_REUSEPORT programs, we no longer have to
pass a prog_type hint before loading the object file.

Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20191212102259.418536-3-jakub@cloudflare.com
This commit is contained in:
Jakub Sitnicki 2019-12-12 11:22:51 +01:00 committed by Alexei Starovoitov
parent 67d69ccdf3
commit 1fbcef929d
2 changed files with 4 additions and 10 deletions
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2
tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c
View File

@ -62,7 +62,7 @@ struct {
goto done; \
})
SEC("select_by_skb_data")
SEC("sk_reuseport")
int _select_by_skb_data(struct sk_reuseport_md *reuse_md)
{
__u32 linum, index = 0, flags = 0, index_zero = 0;

12
tools/testing/selftests/bpf/test_select_reuseport.c
View File

@ -87,19 +87,11 @@ static void prepare_bpf_obj(void)
struct bpf_program *prog;
struct bpf_map *map;
int err;
struct bpf_object_open_attr attr = {
.file = "test_select_reuseport_kern.o",
.prog_type = BPF_PROG_TYPE_SK_REUSEPORT,
};
obj = bpf_object__open_xattr(&attr);
obj = bpf_object__open("test_select_reuseport_kern.o");
CHECK(IS_ERR_OR_NULL(obj), "open test_select_reuseport_kern.o",
"obj:%p PTR_ERR(obj):%ld\n", obj, PTR_ERR(obj));
prog = bpf_program__next(NULL, obj);
CHECK(!prog, "get first bpf_program", "!prog\n");
bpf_program__set_type(prog, attr.prog_type);
map = bpf_object__find_map_by_name(obj, "outer_map");
CHECK(!map, "find outer_map", "!map\n");
err = bpf_map__reuse_fd(map, outer_map);
@ -108,6 +100,8 @@ static void prepare_bpf_obj(void)
err = bpf_object__load(obj);
CHECK(err, "load bpf_object", "err:%d\n", err);
prog = bpf_program__next(NULL, obj);
CHECK(!prog, "get first bpf_program", "!prog\n");
select_by_skb_data_prog = bpf_program__fd(prog);
CHECK(select_by_skb_data_prog == -1, "get prog fd",
"select_by_skb_data_prog:%d\n", select_by_skb_data_prog);