1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <test_progs.h>
3*4882a593Smuzhiyun #include <network_helpers.h>
4*4882a593Smuzhiyun
test_xdp(void)5*4882a593Smuzhiyun void test_xdp(void)
6*4882a593Smuzhiyun {
7*4882a593Smuzhiyun struct vip key4 = {.protocol = 6, .family = AF_INET};
8*4882a593Smuzhiyun struct vip key6 = {.protocol = 6, .family = AF_INET6};
9*4882a593Smuzhiyun struct iptnl_info value4 = {.family = AF_INET};
10*4882a593Smuzhiyun struct iptnl_info value6 = {.family = AF_INET6};
11*4882a593Smuzhiyun const char *file = "./test_xdp.o";
12*4882a593Smuzhiyun struct bpf_object *obj;
13*4882a593Smuzhiyun char buf[128];
14*4882a593Smuzhiyun struct ipv6hdr *iph6 = (void *)buf + sizeof(struct ethhdr);
15*4882a593Smuzhiyun struct iphdr *iph = (void *)buf + sizeof(struct ethhdr);
16*4882a593Smuzhiyun __u32 duration, retval, size;
17*4882a593Smuzhiyun int err, prog_fd, map_fd;
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
20*4882a593Smuzhiyun if (CHECK_FAIL(err))
21*4882a593Smuzhiyun return;
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun map_fd = bpf_find_map(__func__, obj, "vip2tnl");
24*4882a593Smuzhiyun if (map_fd < 0)
25*4882a593Smuzhiyun goto out;
26*4882a593Smuzhiyun bpf_map_update_elem(map_fd, &key4, &value4, 0);
27*4882a593Smuzhiyun bpf_map_update_elem(map_fd, &key6, &value6, 0);
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
30*4882a593Smuzhiyun buf, &size, &retval, &duration);
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun CHECK(err || retval != XDP_TX || size != 74 ||
33*4882a593Smuzhiyun iph->protocol != IPPROTO_IPIP, "ipv4",
34*4882a593Smuzhiyun "err %d errno %d retval %d size %d\n",
35*4882a593Smuzhiyun err, errno, retval, size);
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
38*4882a593Smuzhiyun buf, &size, &retval, &duration);
39*4882a593Smuzhiyun CHECK(err || retval != XDP_TX || size != 114 ||
40*4882a593Smuzhiyun iph6->nexthdr != IPPROTO_IPV6, "ipv6",
41*4882a593Smuzhiyun "err %d errno %d retval %d size %d\n",
42*4882a593Smuzhiyun err, errno, retval, size);
43*4882a593Smuzhiyun out:
44*4882a593Smuzhiyun bpf_object__close(obj);
45*4882a593Smuzhiyun }
46