samples/bpf: use preferred getters/setters instead of deprecated ones

Use preferred setter and getter APIs instead of deprecated ones.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20220124194254.2051434-7-andrii@kernel.orgSigned-off-by: Alexei Starovoitov <ast@kernel.org>

samples/bpf/map_perf_test_user.c

@@ -413,7 +413,7 @@ static void fixup_map(struct bpf_object *obj)
 		for (i = 0; i < NR_TESTS; i++) {
 			if (!strcmp(test_map_names[i], name) &&
 			    (check_test_flags(i))) {
-				bpf_map__resize(map, num_map_entries);
+				bpf_map__set_max_entries(map, num_map_entries);
 				continue;
 			}
 		}

samples/bpf/xdp_redirect_cpu_user.c

@@ -70,7 +70,7 @@ static void print_avail_progs(struct bpf_object *obj)
 
 	printf(" Programs to be used for -p/--progname:\n");
 	bpf_object__for_each_program(pos, obj) {
-		if (bpf_program__is_xdp(pos)) {
+		if (bpf_program__type(pos) == BPF_PROG_TYPE_XDP) {
 			if (!strncmp(bpf_program__name(pos), "xdp_prognum",
 				     sizeof("xdp_prognum") - 1))
 				printf(" %s\n", bpf_program__name(pos));

samples/bpf/xdp_sample_user.c

@@ -1218,7 +1218,7 @@ int sample_setup_maps(struct bpf_map **maps)
 		default:
 			return -EINVAL;
 		}
-		if (bpf_map__resize(sample_map[i], sample_map_count[i]) < 0)
+		if (bpf_map__set_max_entries(sample_map[i], sample_map_count[i]) < 0)
 			return -errno;
 	}
 	sample_map[MAP_DEVMAP_XMIT_MULTI] = maps[MAP_DEVMAP_XMIT_MULTI];

samples/bpf/xdp_sample_user.h

@@ -61,7 +61,7 @@ static inline char *safe_strncpy(char *dst, const char *src, size_t size)
 
 #define __attach_tp(name)                                                      \
 	({                                                                     \
-		if (!bpf_program__is_tracing(skel->progs.name))                \
+		if (bpf_program__type(skel->progs.name) != BPF_PROG_TYPE_TRACING)\
 			return -EINVAL;                                        \
 		skel->links.name = bpf_program__attach(skel->progs.name);      \
 		if (!skel->links.name)                                         \