1 // SPDX-License-Identifier: GPL-2.0
2 #include <test_progs.h>
3 #include <network_helpers.h>
4
test_xdp(void)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.o";
12 struct bpf_object *obj;
13 char buf[128];
14 struct ipv6hdr *iph6 = (void *)buf + sizeof(struct ethhdr);
15 struct iphdr *iph = (void *)buf + sizeof(struct ethhdr);
16 __u32 duration, retval, size;
17 int err, prog_fd, map_fd;
18
19 err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
20 if (CHECK_FAIL(err))
21 return;
22
23 map_fd = bpf_find_map(__func__, obj, "vip2tnl");
24 if (map_fd < 0)
25 goto out;
26 bpf_map_update_elem(map_fd, &key4, &value4, 0);
27 bpf_map_update_elem(map_fd, &key6, &value6, 0);
28
29 err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
30 buf, &size, &retval, &duration);
31
32 CHECK(err || retval != XDP_TX || size != 74 ||
33 iph->protocol != IPPROTO_IPIP, "ipv4",
34 "err %d errno %d retval %d size %d\n",
35 err, errno, retval, size);
36
37 err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
38 buf, &size, &retval, &duration);
39 CHECK(err || retval != XDP_TX || size != 114 ||
40 iph6->nexthdr != IPPROTO_IPV6, "ipv6",
41 "err %d errno %d retval %d size %d\n",
42 err, errno, retval, size);
43 out:
44 bpf_object__close(obj);
45 }
46