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// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include <network_helpers.h>
#include "test_pkt_access.skel.h"
static const __u32 duration;
static void check_run_cnt(int prog_fd, __u64 run_cnt)
{
struct bpf_prog_info info = {};
__u32 info_len = sizeof(info);
int err;
err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
if (CHECK(err, "get_prog_info", "failed to get bpf_prog_info for fd %d\n", prog_fd))
return;
CHECK(run_cnt != info.run_cnt, "run_cnt",
"incorrect number of repetitions, want %llu have %llu\n", run_cnt, info.run_cnt);
}
void test_prog_run_opts(void)
{
struct test_pkt_access *skel;
int err, stats_fd = -1, prog_fd;
char buf[10] = {};
__u64 run_cnt = 0;
LIBBPF_OPTS(bpf_test_run_opts, topts,
.repeat = 1,
.data_in = &pkt_v4,
.data_size_in = sizeof(pkt_v4),
.data_out = buf,
.data_size_out = 5,
);
stats_fd = bpf_enable_stats(BPF_STATS_RUN_TIME);
if (!ASSERT_GE(stats_fd, 0, "enable_stats good fd"))
return;
skel = test_pkt_access__open_and_load();
if (!ASSERT_OK_PTR(skel, "open_and_load"))
goto cleanup;
prog_fd = bpf_program__fd(skel->progs.test_pkt_access);
err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_EQ(errno, ENOSPC, "test_run errno");
ASSERT_ERR(err, "test_run");
ASSERT_OK(topts.retval, "test_run retval");
ASSERT_EQ(topts.data_size_out, sizeof(pkt_v4), "test_run data_size_out");
ASSERT_EQ(buf[5], 0, "overflow, BPF_PROG_TEST_RUN ignored size hint");
run_cnt += topts.repeat;
check_run_cnt(prog_fd, run_cnt);
topts.data_out = NULL;
topts.data_size_out = 0;
topts.repeat = 2;
errno = 0;
err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(errno, "run_no_output errno");
ASSERT_OK(err, "run_no_output err");
ASSERT_OK(topts.retval, "run_no_output retval");
run_cnt += topts.repeat;
check_run_cnt(prog_fd, run_cnt);
cleanup:
if (skel)
test_pkt_access__destroy(skel);
if (stats_fd >= 0)
close(stats_fd);
}
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