samples/bpf: Use bpf_{btf,link,map,prog}_get_info_by_fd()

Use the new type-safe wrappers around bpf_obj_get_info_by_fd().
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230214231221.249277-5-iii@linux.ibm.com

samples/bpf/test_map_in_map_user.c

@@ -38,7 +38,7 @@ static void check_map_id(int inner_map_fd, int map_in_map_fd, uint32_t key)
 	uint32_t info_len = sizeof(info);
 	int ret, id;
 
-	ret = bpf_obj_get_info_by_fd(inner_map_fd, &info, &info_len);
+	ret = bpf_map_get_info_by_fd(inner_map_fd, &info, &info_len);
 	assert(!ret);
 
 	ret = bpf_map_lookup_elem(map_in_map_fd, &key, &id);

samples/bpf/xdp1_user.c

@@ -153,7 +153,7 @@ int main(int argc, char **argv)
 		return 1;
 	}
 
-	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+	err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
 	if (err) {
 		printf("can't get prog info - %s\n", strerror(errno));
 		return err;

samples/bpf/xdp_adjust_tail_user.c

@@ -184,7 +184,7 @@ int main(int argc, char **argv)
 		return 1;
 	}
 
-	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+	err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
 	if (err) {
 		printf("can't get prog info - %s\n", strerror(errno));
 		return 1;

samples/bpf/xdp_fwd_user.c

@@ -76,9 +76,9 @@ static int do_detach(int ifindex, const char *ifname, const char *app_name)
 		return prog_fd;
 	}
 
-	err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len);
+	err = bpf_prog_get_info_by_fd(prog_fd, &prog_info, &info_len);
 	if (err) {
-		printf("ERROR: bpf_obj_get_info_by_fd failed (%s)\n",
+		printf("ERROR: bpf_prog_get_info_by_fd failed (%s)\n",
 		       strerror(errno));
 		goto close_out;
 	}

samples/bpf/xdp_redirect_cpu_user.c

@@ -494,9 +494,9 @@ int main(int argc, char **argv)
 		goto end_cpu;
 	}
 
-	ret = bpf_obj_get_info_by_fd(bpf_map__fd(skel->maps.cpu_map), &info, &infosz);
+	ret = bpf_map_get_info_by_fd(bpf_map__fd(skel->maps.cpu_map), &info, &infosz);
 	if (ret < 0) {
-		fprintf(stderr, "Failed bpf_obj_get_info_by_fd for cpumap: %s\n",
+		fprintf(stderr, "Failed bpf_map_get_info_by_fd for cpumap: %s\n",
 			strerror(errno));
 		goto end_cpu;
 	}

samples/bpf/xdp_rxq_info_user.c

@@ -602,7 +602,7 @@ int main(int argc, char **argv)
 		return EXIT_FAIL_XDP;
 	}
 
-	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+	err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
 	if (err) {
 		printf("can't get prog info - %s\n", strerror(errno));
 		return err;

samples/bpf/xdp_sample_pkts_user.c

@@ -35,7 +35,7 @@ static int do_attach(int idx, int fd, const char *name)
 		return err;
 	}
 
-	err = bpf_obj_get_info_by_fd(fd, &info, &info_len);
+	err = bpf_prog_get_info_by_fd(fd, &info, &info_len);
 	if (err) {
 		printf("can't get prog info - %s\n", strerror(errno));
 		return err;

samples/bpf/xdp_tx_iptunnel_user.c

@@ -295,7 +295,7 @@ int main(int argc, char **argv)
 		return 1;
 	}
 
-	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+	err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
 	if (err) {
 		printf("can't get prog info - %s\n", strerror(errno));
 		return err;