diff options
| author | Kui-Feng Lee <kuifeng@fb.com> | 2021-12-13 19:59:29 -0800 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2021-12-14 14:38:05 -0800 |
| commit | 7490d59268168adf16aa319b007986778080d367 (patch) | |
| tree | b3d96586275d75df30671364126147ee9fbc5dfb | |
| parent | a393ea80a22a9beffdc9a527bd2f9f270e7a0c6e (diff) | |
| download | linux-7490d59268168adf16aa319b007986778080d367.tar.gz linux-7490d59268168adf16aa319b007986778080d367.tar.bz2 linux-7490d59268168adf16aa319b007986778080d367.zip | |
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
| -rw-r--r-- | samples/bpf/hbm.c | 11 | ||||
| -rw-r--r-- | samples/bpf/xdp_fwd_user.c | 12 |
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)); |