LXR linux/tools/testing/selftests/bpf/prog_tests/fentry

   1// SPDX-License-Identifier: GPL-2.0
   2/* Copyright (c) 2019 Facebook */
   3#include <test_progs.h>
   4#include "fentry_test.skel.h"
   5#include "fexit_test.skel.h"
   6
   7void test_fentry_fexit(void)
   8{
   9        struct fentry_test *fentry_skel = NULL;
  10        struct fexit_test *fexit_skel = NULL;
  11        __u64 *fentry_res, *fexit_res;
  12        __u32 duration = 0, retval;
  13        int err, prog_fd, i;
  14
  15        fentry_skel = fentry_test__open_and_load();
  16        if (CHECK(!fentry_skel, "fentry_skel_load", "fentry skeleton failed\n"))
  17                goto close_prog;
  18        fexit_skel = fexit_test__open_and_load();
  19        if (CHECK(!fexit_skel, "fexit_skel_load", "fexit skeleton failed\n"))
  20                goto close_prog;
  21
  22        err = fentry_test__attach(fentry_skel);
  23        if (CHECK(err, "fentry_attach", "fentry attach failed: %d\n", err))
  24                goto close_prog;
  25        err = fexit_test__attach(fexit_skel);
  26        if (CHECK(err, "fexit_attach", "fexit attach failed: %d\n", err))
  27                goto close_prog;
  28
  29        prog_fd = bpf_program__fd(fexit_skel->progs.test1);
  30        err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
  31                                NULL, NULL, &retval, &duration);
  32        CHECK(err || retval, "ipv6",
  33              "err %d errno %d retval %d duration %d\n",
  34              err, errno, retval, duration);
  35
  36        fentry_res = (__u64 *)fentry_skel->bss;
  37        fexit_res = (__u64 *)fexit_skel->bss;
  38        printf("%lld\n", fentry_skel->bss->test1_result);
  39        for (i = 0; i < 8; i++) {
  40                CHECK(fentry_res[i] != 1, "result",
  41                      "fentry_test%d failed err %lld\n", i + 1, fentry_res[i]);
  42                CHECK(fexit_res[i] != 1, "result",
  43                      "fexit_test%d failed err %lld\n", i + 1, fexit_res[i]);
  44        }
  45
  46close_prog:
  47        fentry_test__destroy(fentry_skel);
  48        fexit_test__destroy(fexit_skel);
  49}
  50