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