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 (CHECK_FAIL(err))
20 return;
21
22 map_fd = bpf_find_map(__func__, obj, "vip2tnl");
23 if (map_fd < 0)
24 goto out;
25 bpf_map_update_elem(map_fd, &key4, &value4, 0);
26 bpf_map_update_elem(map_fd, &key6, &value6, 0);
27
28 err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
29 buf, &size, &retval, &duration);
30
31 CHECK(err || retval != XDP_TX || size != 74 ||
32 iph->protocol != IPPROTO_IPIP, "ipv4",
33 "err %d errno %d retval %d size %d\n",
34 err, errno, retval, size);
35
36 err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
37 buf, &size, &retval, &duration);
38 CHECK(err || retval != XDP_TX || size != 114 ||
39 iph6->nexthdr != IPPROTO_IPV6, "ipv6",
40 "err %d errno %d retval %d size %d\n",
41 err, errno, retval, size);
42out:
43 bpf_object__close(obj);
44}
45
