1// SPDX-License-Identifier: GPL-2.0
 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 (CHECK_FAIL(err))
35		return;
36
37	map_fd = bpf_find_map(__func__, obj, "vip_map");
38	if (map_fd < 0)
39		goto out;
40	bpf_map_update_elem(map_fd, &key, &value, 0);
41
42	map_fd = bpf_find_map(__func__, obj, "ch_rings");
43	if (map_fd < 0)
44		goto out;
45	bpf_map_update_elem(map_fd, &ch_key, &real_num, 0);
46
47	map_fd = bpf_find_map(__func__, obj, "reals");
48	if (map_fd < 0)
49		goto out;
50	bpf_map_update_elem(map_fd, &real_num, &real_def, 0);
51
52	err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v4, sizeof(pkt_v4),
 
53				buf, &size, &retval, &duration);
54	CHECK(err || retval != 1 || size != 54 ||
55	      *magic != MAGIC_VAL, "ipv4",
56	      "err %d errno %d retval %d size %d magic %x\n",
57	      err, errno, retval, size, *magic);
58
59	err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v6, sizeof(pkt_v6),
 
60				buf, &size, &retval, &duration);
61	CHECK(err || retval != 1 || size != 74 ||
62	      *magic != MAGIC_VAL, "ipv6",
63	      "err %d errno %d retval %d size %d magic %x\n",
64	      err, errno, retval, size, *magic);
65
66	map_fd = bpf_find_map(__func__, obj, "stats");
67	if (map_fd < 0)
68		goto out;
69	bpf_map_lookup_elem(map_fd, &stats_key, stats);
70	for (i = 0; i < nr_cpus; i++) {
71		bytes += stats[i].bytes;
72		pkts += stats[i].pkts;
73	}
74	if (CHECK_FAIL(bytes != MAGIC_BYTES * NUM_ITER * 2 ||
75		       pkts != NUM_ITER * 2)) {
76		printf("test_xdp_noinline:FAIL:stats %lld %lld\n",
77		       bytes, pkts);
78	}
79out:
80	bpf_object__close(obj);
81}

 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}