bpf/prog_tests/xdp_perf.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 #include <test_progs.h>
0003
0004 void test_xdp_perf(void)
0005 {
0006     const char *file = "./xdp_dummy.o";
0007     struct bpf_object *obj;
0008     char in[128], out[128];
0009     int err, prog_fd;
0010     LIBBPF_OPTS(bpf_test_run_opts, topts,
0011         .data_in = in,
0012         .data_size_in = sizeof(in),
0013         .data_out = out,
0014         .data_size_out = sizeof(out),
0015         .repeat = 1000000,
0016     );
0017
0018     err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
0019     if (CHECK_FAIL(err))
0020         return;
0021
0022     err = bpf_prog_test_run_opts(prog_fd, &topts);
0023     ASSERT_OK(err, "test_run");
0024     ASSERT_EQ(topts.retval, XDP_PASS, "test_run retval");
0025     ASSERT_EQ(topts.data_size_out, 128, "test_run data_size_out");
0026
0027     bpf_object__close(obj);
0028 }