1// SPDX-License-Identifier: GPL-2.0
 2#include <test_progs.h>
 3#include <network_helpers.h>
 4#include "test_xdp_noinline.skel.h"
 5
 6void test_xdp_noinline(void)
 7{
 8	unsigned int nr_cpus = bpf_num_possible_cpus();
 9	struct test_xdp_noinline *skel;
10	struct vip key = {.protocol = 6};
11	struct vip_meta {
12		__u32 flags;
13		__u32 vip_num;
14	} value = {.vip_num = VIP_NUM};
15	__u32 stats_key = VIP_NUM;
16	struct vip_stats {
17		__u64 bytes;
18		__u64 pkts;
19	} stats[nr_cpus];
20	struct real_definition {
21		union {
22			__be32 dst;
23			__be32 dstv6[4];
24		};
25		__u8 flags;
26	} real_def = {.dst = MAGIC_VAL};
27	__u32 ch_key = 11, real_num = 3;
28	__u32 duration = 0, retval, size;
29	int err, i;
30	__u64 bytes = 0, pkts = 0;
31	char buf[128];
32	u32 *magic = (u32 *)buf;
33
34	skel = test_xdp_noinline__open_and_load();
35	if (CHECK(!skel, "skel_open_and_load", "failed\n"))
36		return;
37
38	bpf_map_update_elem(bpf_map__fd(skel->maps.vip_map), &key, &value, 0);
39	bpf_map_update_elem(bpf_map__fd(skel->maps.ch_rings), &ch_key, &real_num, 0);
40	bpf_map_update_elem(bpf_map__fd(skel->maps.reals), &real_num, &real_def, 0);
41
42	err = bpf_prog_test_run(bpf_program__fd(skel->progs.balancer_ingress_v4),
43				NUM_ITER, &pkt_v4, sizeof(pkt_v4),
44				buf, &size, &retval, &duration);
45	CHECK(err || retval != 1 || size != 54 ||
46	      *magic != MAGIC_VAL, "ipv4",
47	      "err %d errno %d retval %d size %d magic %x\n",
48	      err, errno, retval, size, *magic);
49
50	err = bpf_prog_test_run(bpf_program__fd(skel->progs.balancer_ingress_v6),
51				NUM_ITER, &pkt_v6, sizeof(pkt_v6),
52				buf, &size, &retval, &duration);
53	CHECK(err || retval != 1 || size != 74 ||
54	      *magic != MAGIC_VAL, "ipv6",
55	      "err %d errno %d retval %d size %d magic %x\n",
56	      err, errno, retval, size, *magic);
57
58	bpf_map_lookup_elem(bpf_map__fd(skel->maps.stats), &stats_key, stats);
59	for (i = 0; i < nr_cpus; i++) {
60		bytes += stats[i].bytes;
61		pkts += stats[i].pkts;
62	}
63	CHECK(bytes != MAGIC_BYTES * NUM_ITER * 2 || pkts != NUM_ITER * 2,
64	      "stats", "bytes %lld pkts %lld\n",
65	      (unsigned long long)bytes, (unsigned long long)pkts);
66	test_xdp_noinline__destroy(skel);
67}