bpf/prog_tests/pkt_access.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 #include <test_progs.h>
0003 #include <network_helpers.h>
0004
0005 void test_pkt_access(void)
0006 {
0007     const char *file = "./test_pkt_access.o";
0008     struct bpf_object *obj;
0009     int err, prog_fd;
0010     LIBBPF_OPTS(bpf_test_run_opts, topts,
0011         .data_in = &pkt_v4,
0012         .data_size_in = sizeof(pkt_v4),
0013         .repeat = 100000,
0014     );
0015
0016     err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
0017     if (CHECK_FAIL(err))
0018         return;
0019
0020     err = bpf_prog_test_run_opts(prog_fd, &topts);
0021     ASSERT_OK(err, "ipv4 test_run_opts err");
0022     ASSERT_OK(topts.retval, "ipv4 test_run_opts retval");
0023
0024     topts.data_in = &pkt_v6;
0025     topts.data_size_in = sizeof(pkt_v6);
0026     topts.data_size_out = 0; /* reset from last call */
0027     err = bpf_prog_test_run_opts(prog_fd, &topts);
0028     ASSERT_OK(err, "ipv6 test_run_opts err");
0029     ASSERT_OK(topts.retval, "ipv6 test_run_opts retval");
0030
0031     bpf_object__close(obj);
0032 }