bpf/prog_tests/global_map_resize.c

23 	struct bpf_map *map;
37 	/* resize map value and verify the new size */
38 	map = skel->maps.bss;
39 	err = bpf_map__set_value_size(map, desired_sz);
42 	if (!ASSERT_EQ(bpf_map__value_size(map), desired_sz, "resize"))
92 	struct bpf_map *map;
107 	/* resize map value and verify the new size */
108 	map = skel->maps.data_custom;
109 	err = bpf_map__set_value_size(map, desired_sz);
112 	if (!ASSERT_EQ(bpf_map__value_size(map), desired_sz, "resize"))
163 	struct bpf_map *map;
170 	 /* attempt to resize a global datasec map to size
173 	map = skel->maps.data_custom;
174 	if (!ASSERT_NEQ(bpf_map__btf_value_type_id(map), 0, ".data.custom initial btf"))
182 	err = bpf_map__set_value_size(map, desired_sz);
185 	    !ASSERT_EQ(bpf_map__btf_key_type_id(map), 0, ".data.custom clear btf key") ||
186 	    !ASSERT_EQ(bpf_map__btf_value_type_id(map), 0, ".data.custom clear btf val"))
189 	/* attempt to resize a global datasec map whose only var is NOT an array */
190 	map = skel->maps.data_non_array;
191 	if (!ASSERT_NEQ(bpf_map__btf_value_type_id(map), 0, ".data.non_array initial btf"))
195 	err = bpf_map__set_value_size(map, desired_sz);
198 	    !ASSERT_EQ(bpf_map__btf_key_type_id(map), 0, ".data.non_array clear btf key") ||
199 	    !ASSERT_EQ(bpf_map__btf_value_type_id(map), 0, ".data.non_array clear btf val"))
202 	/* attempt to resize a global datasec map
205 	map = skel->maps.data_array_not_last;
206 	if (!ASSERT_NEQ(bpf_map__btf_value_type_id(map), 0, ".data.array_not_last initial btf"))
214 	err = bpf_map__set_value_size(map, desired_sz);
217 	    !ASSERT_EQ(bpf_map__btf_key_type_id(map), 0, ".data.array_not_last clear btf key") ||
218 	    !ASSERT_EQ(bpf_map__btf_value_type_id(map), 0, ".data.array_not_last clear btf val"))