xref: /linux/tools/testing/selftests/bpf/prog_tests/bpf_nf.c (revision 1f8d99de1d1b4b3764203ae02db57041475dab84)
1 // SPDX-License-Identifier: GPL-2.0
2 #include <test_progs.h>
3 #include <network_helpers.h>
4 #include "test_bpf_nf.skel.h"
5 
6 enum {
7 	TEST_XDP,
8 	TEST_TC_BPF,
9 };
10 
11 void test_bpf_nf_ct(int mode)
12 {
13 	struct test_bpf_nf *skel;
14 	int prog_fd, err, retval;
15 
16 	skel = test_bpf_nf__open_and_load();
17 	if (!ASSERT_OK_PTR(skel, "test_bpf_nf__open_and_load"))
18 		return;
19 
20 	if (mode == TEST_XDP)
21 		prog_fd = bpf_program__fd(skel->progs.nf_xdp_ct_test);
22 	else
23 		prog_fd = bpf_program__fd(skel->progs.nf_skb_ct_test);
24 
25 	err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), NULL, NULL,
26 				(__u32 *)&retval, NULL);
27 	if (!ASSERT_OK(err, "bpf_prog_test_run"))
28 		goto end;
29 
30 	ASSERT_EQ(skel->bss->test_einval_bpf_tuple, -EINVAL, "Test EINVAL for NULL bpf_tuple");
31 	ASSERT_EQ(skel->bss->test_einval_reserved, -EINVAL, "Test EINVAL for reserved not set to 0");
32 	ASSERT_EQ(skel->bss->test_einval_netns_id, -EINVAL, "Test EINVAL for netns_id < -1");
33 	ASSERT_EQ(skel->bss->test_einval_len_opts, -EINVAL, "Test EINVAL for len__opts != NF_BPF_CT_OPTS_SZ");
34 	ASSERT_EQ(skel->bss->test_eproto_l4proto, -EPROTO, "Test EPROTO for l4proto != TCP or UDP");
35 	ASSERT_EQ(skel->bss->test_enonet_netns_id, -ENONET, "Test ENONET for bad but valid netns_id");
36 	ASSERT_EQ(skel->bss->test_enoent_lookup, -ENOENT, "Test ENOENT for failed lookup");
37 	ASSERT_EQ(skel->bss->test_eafnosupport, -EAFNOSUPPORT, "Test EAFNOSUPPORT for invalid len__tuple");
38 end:
39 	test_bpf_nf__destroy(skel);
40 }
41 
42 void test_bpf_nf(void)
43 {
44 	if (test__start_subtest("xdp-ct"))
45 		test_bpf_nf_ct(TEST_XDP);
46 	if (test__start_subtest("tc-bpf-ct"))
47 		test_bpf_nf_ct(TEST_TC_BPF);
48 }
49