1
2#include <test_progs.h>
3
4void test_xdp_noinline(void)
5{
6 const char *file = "./test_xdp_noinline.o";
7 unsigned int nr_cpus = bpf_num_possible_cpus();
8 struct vip key = {.protocol = 6};
9 struct vip_meta {
10 __u32 flags;
11 __u32 vip_num;
12 } value = {.vip_num = VIP_NUM};
13 __u32 stats_key = VIP_NUM;
14 struct vip_stats {
15 __u64 bytes;
16 __u64 pkts;
17 } stats[nr_cpus];
18 struct real_definition {
19 union {
20 __be32 dst;
21 __be32 dstv6[4];
22 };
23 __u8 flags;
24 } real_def = {.dst = MAGIC_VAL};
25 __u32 ch_key = 11, real_num = 3;
26 __u32 duration, retval, size;
27 int err, i, prog_fd, map_fd;
28 __u64 bytes = 0, pkts = 0;
29 struct bpf_object *obj;
30 char buf[128];
31 u32 *magic = (u32 *)buf;
32
33 err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
34 if (err) {
35 error_cnt++;
36 return;
37 }
38
39 map_fd = bpf_find_map(__func__, obj, "vip_map");
40 if (map_fd < 0)
41 goto out;
42 bpf_map_update_elem(map_fd, &key, &value, 0);
43
44 map_fd = bpf_find_map(__func__, obj, "ch_rings");
45 if (map_fd < 0)
46 goto out;
47 bpf_map_update_elem(map_fd, &ch_key, &real_num, 0);
48
49 map_fd = bpf_find_map(__func__, obj, "reals");
50 if (map_fd < 0)
51 goto out;
52 bpf_map_update_elem(map_fd, &real_num, &real_def, 0);
53
54 err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v4, sizeof(pkt_v4),
55 buf, &size, &retval, &duration);
56 CHECK(err || retval != 1 || size != 54 ||
57 *magic != MAGIC_VAL, "ipv4",
58 "err %d errno %d retval %d size %d magic %x\n",
59 err, errno, retval, size, *magic);
60
61 err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v6, sizeof(pkt_v6),
62 buf, &size, &retval, &duration);
63 CHECK(err || retval != 1 || size != 74 ||
64 *magic != MAGIC_VAL, "ipv6",
65 "err %d errno %d retval %d size %d magic %x\n",
66 err, errno, retval, size, *magic);
67
68 map_fd = bpf_find_map(__func__, obj, "stats");
69 if (map_fd < 0)
70 goto out;
71 bpf_map_lookup_elem(map_fd, &stats_key, stats);
72 for (i = 0; i < nr_cpus; i++) {
73 bytes += stats[i].bytes;
74 pkts += stats[i].pkts;
75 }
76 if (bytes != MAGIC_BYTES * NUM_ITER * 2 || pkts != NUM_ITER * 2) {
77 error_cnt++;
78 printf("test_xdp_noinline:FAIL:stats %lld %lld\n", bytes, pkts);
79 }
80out:
81 bpf_object__close(obj);
82}
83
