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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c b/tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c new file mode 100644 index 000000000..935a294f0 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <test_progs.h> +#include <network_helpers.h> + +void test_prog_run_xattr(void) +{ + const char *file = "./test_pkt_access.o"; + struct bpf_object *obj; + char buf[10]; + int err; + struct bpf_prog_test_run_attr tattr = { + .repeat = 1, + .data_in = &pkt_v4, + .data_size_in = sizeof(pkt_v4), + .data_out = buf, + .data_size_out = 5, + }; + + err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, + &tattr.prog_fd); + if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno)) + return; + + memset(buf, 0, sizeof(buf)); + + err = bpf_prog_test_run_xattr(&tattr); + CHECK_ATTR(err != -1 || errno != ENOSPC || tattr.retval, "run", + "err %d errno %d retval %d\n", err, errno, tattr.retval); + + CHECK_ATTR(tattr.data_size_out != sizeof(pkt_v4), "data_size_out", + "incorrect output size, want %zu have %u\n", + sizeof(pkt_v4), tattr.data_size_out); + + CHECK_ATTR(buf[5] != 0, "overflow", + "BPF_PROG_TEST_RUN ignored size hint\n"); + + tattr.data_out = NULL; + tattr.data_size_out = 0; + errno = 0; + + err = bpf_prog_test_run_xattr(&tattr); + CHECK_ATTR(err || errno || tattr.retval, "run_no_output", + "err %d errno %d retval %d\n", err, errno, tattr.retval); + + tattr.data_size_out = 1; + err = bpf_prog_test_run_xattr(&tattr); + CHECK_ATTR(err != -EINVAL, "run_wrong_size_out", "err %d\n", err); + + bpf_object__close(obj); +} |