| /linux-6.15/tools/testing/selftests/bpf/prog_tests/ |
| H A D | bpf_iter.c | 52 int iter_fd, len; in do_dummy_read_opts() local
67 close(iter_fd); in do_dummy_read_opts()
85 int iter_fd, len; in do_read_map_iter_fd() local
119 close(iter_fd); in do_read_map_iter_fd()
507 if (iter_fd > 0) in do_btf_read()
648 close(iter_fd); in test_anon_iter()
663 close(iter_fd); in do_read()
831 close(iter_fd); in test_overflow()
928 close(iter_fd); in test_bpf_hash_map()
1011 close(iter_fd); in test_bpf_percpu_hash_map()
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| H A D | cgroup_iter.c | 57 int len, iter_fd; in read_from_cgroup_iter() local
72 iter_fd = bpf_iter_create(bpf_link__fd(link)); in read_from_cgroup_iter()
73 if (iter_fd < 0) in read_from_cgroup_iter()
79 while ((len = read(iter_fd, p, left)) > 0) { in read_from_cgroup_iter()
88 ASSERT_OK(read(iter_fd, buf, sizeof(buf)), "second_read"); in read_from_cgroup_iter()
90 close(iter_fd); in read_from_cgroup_iter()
199 int len, cgrp_fd, iter_fd; in test_walk_dead_self_only() local
223 iter_fd = bpf_iter_create(bpf_link__fd(link)); in test_walk_dead_self_only()
224 if (!ASSERT_GE(iter_fd, 0, "iter_create")) in test_walk_dead_self_only()
248 while ((len = read(iter_fd, p, left)) > 0) { in test_walk_dead_self_only()
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| H A D | kmem_cache_iter.c | 93 int iter_fd; in test_kmem_cache_iter() local
102 iter_fd = bpf_iter_create(bpf_link__fd(skel->links.slab_info_collector)); in test_kmem_cache_iter()
103 if (!ASSERT_GE(iter_fd, 0, "iter_create")) in test_kmem_cache_iter()
107 while (read(iter_fd, buf, sizeof(buf) > 0)) { in test_kmem_cache_iter()
113 ASSERT_EQ(read(iter_fd, buf, sizeof(buf)), 0, "read"); in test_kmem_cache_iter()
122 close(iter_fd); in test_kmem_cache_iter()
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| H A D | sock_iter_batch.c | 14 int err, i, nread, to_read, total_read, iter_fd = -1; in do_test() local
49 iter_fd = bpf_iter_create(bpf_link__fd(link)); in do_test()
50 if (!ASSERT_GE(iter_fd, 0, "bpf_iter_create")) in do_test()
62 nread = read(iter_fd, indices, onebyone ? sizeof(*indices) : to_read); in do_test()
83 nread = read(iter_fd, indices, onebyone ? sizeof(*indices) : to_read); in do_test()
105 if (iter_fd < 0) in do_test()
106 close(iter_fd); in do_test()
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| H A D | bpf_iter_setsockopt.c | 109 int err, iter_fd = -1, listen_fd = -1; in do_bpf_iter_setsockopt() local
145 iter_fd = bpf_iter_create(bpf_link__fd(iter_skel->links.change_tcp_cc)); in do_bpf_iter_setsockopt()
146 if (!ASSERT_GE(iter_fd, 0, "create iter_fd")) in do_bpf_iter_setsockopt()
149 while ((err = read(iter_fd, &buf, sizeof(buf))) == -1 && in do_bpf_iter_setsockopt()
173 if (iter_fd != -1) in do_bpf_iter_setsockopt()
174 close(iter_fd); in do_bpf_iter_setsockopt()
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| H A D | bpf_iter_setsockopt_unix.c | 72 int err, unix_fd, iter_fd; in test_bpf_iter_setsockopt_unix() local
87 iter_fd = bpf_iter_create(bpf_link__fd(skel->links.change_sndbuf)); in test_bpf_iter_setsockopt_unix()
88 if (!ASSERT_GE(iter_fd, 0, "bpf_iter_create")) in test_bpf_iter_setsockopt_unix()
91 while ((err = read(iter_fd, &buf, sizeof(buf))) == -1 && in test_bpf_iter_setsockopt_unix()
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| H A D | sock_destroy.c | 15 int iter_fd, len; in start_iter_sockets() local
21 iter_fd = bpf_iter_create(bpf_link__fd(link)); in start_iter_sockets()
22 if (!ASSERT_GE(iter_fd, 0, "create_iter")) in start_iter_sockets()
25 while ((len = read(iter_fd, buf, sizeof(buf))) > 0) in start_iter_sockets()
29 close(iter_fd); in start_iter_sockets()
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| H A D | cgrp_local_storage.c | 180 int err, iter_fd; in test_cgroup_iter_sleepable() local
203 iter_fd = bpf_iter_create(bpf_link__fd(link)); in test_cgroup_iter_sleepable()
204 if (!ASSERT_GE(iter_fd, 0, "iter_create")) in test_cgroup_iter_sleepable()
208 (void)read(iter_fd, buf, sizeof(buf)); in test_cgroup_iter_sleepable()
212 close(iter_fd); in test_cgroup_iter_sleepable()
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| H A D | sockmap_basic.c | 286 int err, len, src_fd, iter_fd; in test_sockmap_copy() local
335 iter_fd = bpf_iter_create(bpf_link__fd(link)); in test_sockmap_copy()
336 if (!ASSERT_GE(iter_fd, 0, "create_iter")) in test_sockmap_copy()
340 while ((len = read(iter_fd, buf, sizeof(buf))) > 0) in test_sockmap_copy()
355 close(iter_fd); in test_sockmap_copy()
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| /linux-6.15/tools/testing/selftests/bpf/map_tests/ |
| H A D | map_percpu_stats.c | 216 static __u32 read_cur_elements(int iter_fd) in read_cur_elements() argument
222 n = read(iter_fd, buf, sizeof(buf)-1); in read_cur_elements()
238 int iter_fd; in get_cur_elements() local
252 iter_fd = bpf_iter_create(bpf_link__fd(link)); in get_cur_elements()
253 CHECK(iter_fd < 0, "bpf_iter_create", "error: %s\n", strerror(errno)); in get_cur_elements()
255 n_elements = read_cur_elements(iter_fd); in get_cur_elements()
257 close(iter_fd); in get_cur_elements()
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| /linux-6.15/Documentation/bpf/ |
| H A D | bpf_iterators.rst | 326 link = bpf_program__attach_iter(prog, &opts); iter_fd =
348 int iter_fd = -1, len;
356 iter_fd = bpf_iter_create(bpf_link__fd(link));
357 if (iter_fd < 0) {
363 while ((len = read(iter_fd, buf, sizeof(buf) - 1)) > 0) {
369 if (iter_fd >= 0)
370 close(iter_fd);
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