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authorKui-Feng Lee <kuifeng@fb.com>2021-12-13 19:59:29 -0800
committerAndrii Nakryiko <andrii@kernel.org>2021-12-14 14:38:05 -0800
commit7490d59268168adf16aa319b007986778080d367 (patch)
treeb3d96586275d75df30671364126147ee9fbc5dfb /samples
parenta393ea80a22a9beffdc9a527bd2f9f270e7a0c6e (diff)
samples/bpf: Stop using bpf_object__find_program_by_title API.
bpf_object__find_program_by_title is going to be deprecated. Replace use cases of bpf_object__find_program_by_title in samples/bpf/ with bpf_object__for_each_program. Signed-off-by: Kui-Feng Lee <kuifeng@fb.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20211214035931.1148209-3-kuifeng@fb.com
Diffstat (limited to 'samples')
-rw-r--r--samples/bpf/hbm.c11
-rw-r--r--samples/bpf/xdp_fwd_user.c12
2 files changed, 20 insertions, 3 deletions
diff --git a/samples/bpf/hbm.c b/samples/bpf/hbm.c
index b0c18efe7928..1fe5bcafb3bc 100644
--- a/samples/bpf/hbm.c
+++ b/samples/bpf/hbm.c
@@ -120,6 +120,9 @@ static void do_error(char *msg, bool errno_flag)
static int prog_load(char *prog)
{
+ struct bpf_program *pos;
+ const char *sec_name;
+
obj = bpf_object__open_file(prog, NULL);
if (libbpf_get_error(obj)) {
printf("ERROR: opening BPF object file failed\n");
@@ -132,7 +135,13 @@ static int prog_load(char *prog)
goto err;
}
- bpf_prog = bpf_object__find_program_by_title(obj, "cgroup_skb/egress");
+ bpf_object__for_each_program(pos, obj) {
+ sec_name = bpf_program__section_name(pos);
+ if (sec_name && !strcmp(sec_name, "cgroup_skb/egress")) {
+ bpf_prog = pos;
+ break;
+ }
+ }
if (!bpf_prog) {
printf("ERROR: finding a prog in obj file failed\n");
goto err;
diff --git a/samples/bpf/xdp_fwd_user.c b/samples/bpf/xdp_fwd_user.c
index 00061261a8da..4ad896782f77 100644
--- a/samples/bpf/xdp_fwd_user.c
+++ b/samples/bpf/xdp_fwd_user.c
@@ -79,7 +79,9 @@ int main(int argc, char **argv)
.prog_type = BPF_PROG_TYPE_XDP,
};
const char *prog_name = "xdp_fwd";
- struct bpf_program *prog;
+ struct bpf_program *prog = NULL;
+ struct bpf_program *pos;
+ const char *sec_name;
int prog_fd, map_fd = -1;
char filename[PATH_MAX];
struct bpf_object *obj;
@@ -134,7 +136,13 @@ int main(int argc, char **argv)
return 1;
}
- prog = bpf_object__find_program_by_title(obj, prog_name);
+ bpf_object__for_each_program(pos, obj) {
+ sec_name = bpf_program__section_name(pos);
+ if (sec_name && !strcmp(sec_name, prog_name)) {
+ prog = pos;
+ break;
+ }
+ }
prog_fd = bpf_program__fd(prog);
if (prog_fd < 0) {
printf("program not found: %s\n", strerror(prog_fd));