1
2#include <test_progs.h>
3
4void test_xdp(void)
5{
6 struct vip key4 = {.protocol = 6, .family = AF_INET};
7 struct vip key6 = {.protocol = 6, .family = AF_INET6};
8 struct iptnl_info value4 = {.family = AF_INET};
9 struct iptnl_info value6 = {.family = AF_INET6};
10 const char *file = "./test_xdp.o";
11 struct bpf_object *obj;
12 char buf[128];
13 struct ipv6hdr *iph6 = (void *)buf + sizeof(struct ethhdr);
14 struct iphdr *iph = (void *)buf + sizeof(struct ethhdr);
15 __u32 duration, retval, size;
16 int err, prog_fd, map_fd;
17
18 err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
19 if (err) {
20 error_cnt++;
21 return;
22 }
23
24 map_fd = bpf_find_map(__func__, obj, "vip2tnl");
25 if (map_fd < 0)
26 goto out;
27 bpf_map_update_elem(map_fd, &key4, &value4, 0);
28 bpf_map_update_elem(map_fd, &key6, &value6, 0);
29
30 err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
31 buf, &size, &retval, &duration);
32
33 CHECK(err || retval != XDP_TX || size != 74 ||
34 iph->protocol != IPPROTO_IPIP, "ipv4",
35 "err %d errno %d retval %d size %d\n",
36 err, errno, retval, size);
37
38 err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
39 buf, &size, &retval, &duration);
40 CHECK(err || retval != XDP_TX || size != 114 ||
41 iph6->nexthdr != IPPROTO_IPV6, "ipv6",
42 "err %d errno %d retval %d size %d\n",
43 err, errno, retval, size);
44out:
45 bpf_object__close(obj);
46}
47
