bpf/prog_tests/skb_helpers.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 #include <test_progs.h>
0003 #include <network_helpers.h>
0004
0005 void test_skb_helpers(void)
0006 {
0007     struct __sk_buff skb = {
0008         .wire_len = 100,
0009         .gso_segs = 8,
0010         .gso_size = 10,
0011     };
0012     LIBBPF_OPTS(bpf_test_run_opts, topts,
0013         .data_in = &pkt_v4,
0014         .data_size_in = sizeof(pkt_v4),
0015         .ctx_in = &skb,
0016         .ctx_size_in = sizeof(skb),
0017         .ctx_out = &skb,
0018         .ctx_size_out = sizeof(skb),
0019     );
0020     struct bpf_object *obj;
0021     int err, prog_fd;
0022
0023     err = bpf_prog_test_load("./test_skb_helpers.o",
0024                  BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
0025     if (!ASSERT_OK(err, "load"))
0026         return;
0027     err = bpf_prog_test_run_opts(prog_fd, &topts);
0028     ASSERT_OK(err, "test_run");
0029     bpf_object__close(obj);
0030 }