samples/bpf: Get rid of bpf_prog_load_xattr() use
Remove all the remaining uses of deprecated bpf_prog_load_xattr() API.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Link: https://lore.kernel.org/bpf/20220202225916.3313522-7-andrii@kernel.org
diff --git a/samples/bpf/xdp_fwd_user.c b/samples/bpf/xdp_fwd_user.c
index 79ccd98..1828487 100644
--- a/samples/bpf/xdp_fwd_user.c
+++ b/samples/bpf/xdp_fwd_user.c
@@ -75,14 +75,11 @@ static void usage(const char *prog)
int main(int argc, char **argv)
{
- struct bpf_prog_load_attr prog_load_attr = {
- .prog_type = BPF_PROG_TYPE_XDP,
- };
const char *prog_name = "xdp_fwd";
struct bpf_program *prog = NULL;
struct bpf_program *pos;
const char *sec_name;
- int prog_fd, map_fd = -1;
+ int prog_fd = -1, map_fd = -1;
char filename[PATH_MAX];
struct bpf_object *obj;
int opt, i, idx, err;
@@ -119,7 +116,6 @@ int main(int argc, char **argv)
if (attach) {
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
- prog_load_attr.file = filename;
if (access(filename, O_RDONLY) < 0) {
printf("error accessing file %s: %s\n",
@@ -127,7 +123,14 @@ int main(int argc, char **argv)
return 1;
}
- err = bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd);
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj))
+ return 1;
+
+ prog = bpf_object__next_program(obj, NULL);
+ bpf_program__set_type(prog, BPF_PROG_TYPE_XDP);
+
+ err = bpf_object__load(obj);
if (err) {
printf("Does kernel support devmap lookup?\n");
/* If not, the error message will be:
