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	int err, i;
29	__u64 bytes = 0, pkts = 0;
30	char buf[128];
31	u32 *magic = (u32 *)buf;
32	LIBBPF_OPTS(bpf_test_run_opts, topts,
33		.data_in = &pkt_v4,
34		.data_size_in = sizeof(pkt_v4),
35		.data_out = buf,
36		.data_size_out = sizeof(buf),
37		.repeat = NUM_ITER,
38	);
39
40	skel = test_xdp_noinline__open_and_load();
41	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
42		return;
43
44	bpf_map_update_elem(bpf_map__fd(skel->maps.vip_map), &key, &value, 0);
45	bpf_map_update_elem(bpf_map__fd(skel->maps.ch_rings), &ch_key, &real_num, 0);
46	bpf_map_update_elem(bpf_map__fd(skel->maps.reals), &real_num, &real_def, 0);
47
48	err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.balancer_ingress_v4), &topts);
49	ASSERT_OK(err, "ipv4 test_run");
50	ASSERT_EQ(topts.retval, 1, "ipv4 test_run retval");
51	ASSERT_EQ(topts.data_size_out, 54, "ipv4 test_run data_size_out");
52	ASSERT_EQ(*magic, MAGIC_VAL, "ipv4 test_run magic");
53
54	topts.data_in = &pkt_v6;
55	topts.data_size_in = sizeof(pkt_v6);
56	topts.data_out = buf;
57	topts.data_size_out = sizeof(buf);
58
59	err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.balancer_ingress_v6), &topts);
60	ASSERT_OK(err, "ipv6 test_run");
61	ASSERT_EQ(topts.retval, 1, "ipv6 test_run retval");
62	ASSERT_EQ(topts.data_size_out, 74, "ipv6 test_run data_size_out");
63	ASSERT_EQ(*magic, MAGIC_VAL, "ipv6 test_run magic");
64
65	bpf_map_lookup_elem(bpf_map__fd(skel->maps.stats), &stats_key, stats);
66	for (i = 0; i < nr_cpus; i++) {
67		bytes += stats[i].bytes;
68		pkts += stats[i].pkts;
69	}
70	ASSERT_EQ(bytes, MAGIC_BYTES * NUM_ITER * 2, "stats bytes");
71	ASSERT_EQ(pkts, NUM_ITER * 2, "stats pkts");
72	test_xdp_noinline__destroy(skel);
73}
74