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// 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);
}
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