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Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / tools / testing / selftests / bpf / prog_tests / xdp.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include <test_progs.h>
3 #include <network_helpers.h>
4
5 void test_xdp(void)
6 {
7         struct vip key4 = {.protocol = 6, .family = AF_INET};
8         struct vip key6 = {.protocol = 6, .family = AF_INET6};
9         struct iptnl_info value4 = {.family = AF_INET};
10         struct iptnl_info value6 = {.family = AF_INET6};
11         const char *file = "./test_xdp.bpf.o";
12         struct bpf_object *obj;
13         char buf[128];
14         struct ipv6hdr iph6;
15         struct iphdr iph;
16         int err, prog_fd, map_fd;
17         LIBBPF_OPTS(bpf_test_run_opts, topts,
18                 .data_in = &pkt_v4,
19                 .data_size_in = sizeof(pkt_v4),
20                 .data_out = buf,
21                 .data_size_out = sizeof(buf),
22                 .repeat = 1,
23         );
24
25         err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
26         if (CHECK_FAIL(err))
27                 return;
28
29         map_fd = bpf_find_map(__func__, obj, "vip2tnl");
30         if (map_fd < 0)
31                 goto out;
32         bpf_map_update_elem(map_fd, &key4, &value4, 0);
33         bpf_map_update_elem(map_fd, &key6, &value6, 0);
34
35         err = bpf_prog_test_run_opts(prog_fd, &topts);
36         memcpy(&iph, buf + sizeof(struct ethhdr), sizeof(iph));
37         ASSERT_OK(err, "test_run");
38         ASSERT_EQ(topts.retval, XDP_TX, "ipv4 test_run retval");
39         ASSERT_EQ(topts.data_size_out, 74, "ipv4 test_run data_size_out");
40         ASSERT_EQ(iph.protocol, IPPROTO_IPIP, "ipv4 test_run iph.protocol");
41
42         topts.data_in = &pkt_v6;
43         topts.data_size_in = sizeof(pkt_v6);
44         topts.data_size_out = sizeof(buf);
45
46         err = bpf_prog_test_run_opts(prog_fd, &topts);
47         memcpy(&iph6, buf + sizeof(struct ethhdr), sizeof(iph6));
48         ASSERT_OK(err, "test_run");
49         ASSERT_EQ(topts.retval, XDP_TX, "ipv6 test_run retval");
50         ASSERT_EQ(topts.data_size_out, 114, "ipv6 test_run data_size_out");
51         ASSERT_EQ(iph6.nexthdr, IPPROTO_IPV6, "ipv6 test_run iph6.nexthdr");
52 out:
53         bpf_object__close(obj);
54 }
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