97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
#include <test_progs.h>
|
||
|
|
#include <network_helpers.h>
|
||
|
|
|
||
|
|
static void test_l4lb(const char *file)
|
||
|
|
{
|
||
|
|
unsigned int nr_cpus = bpf_num_possible_cpus();
|
||
|
|
struct vip key = {.protocol = 6};
|
||
|
|
struct vip_meta {
|
||
|
|
__u32 flags;
|
||
|
|
__u32 vip_num;
|
||
|
|
} value = {.vip_num = VIP_NUM};
|
||
|
|
__u32 stats_key = VIP_NUM;
|
||
|
|
struct vip_stats {
|
||
|
|
__u64 bytes;
|
||
|
|
__u64 pkts;
|
||
|
|
} stats[nr_cpus];
|
||
|
|
struct real_definition {
|
||
|
|
union {
|
||
|
|
__be32 dst;
|
||
|
|
__be32 dstv6[4];
|
||
|
|
};
|
||
|
|
__u8 flags;
|
||
|
|
} real_def = {.dst = MAGIC_VAL};
|
||
|
|
__u32 ch_key = 11, real_num = 3;
|
||
|
|
int err, i, prog_fd, map_fd;
|
||
|
|
__u64 bytes = 0, pkts = 0;
|
||
|
|
struct bpf_object *obj;
|
||
|
|
char buf[128];
|
||
|
|
u32 *magic = (u32 *)buf;
|
||
|
|
LIBBPF_OPTS(bpf_test_run_opts, topts,
|
||
|
|
.data_out = buf,
|
||
|
|
.data_size_out = sizeof(buf),
|
||
|
|
.repeat = NUM_ITER,
|
||
|
|
);
|
||
|
|
|
||
|
|
err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
|
||
|
|
if (CHECK_FAIL(err))
|
||
|
|
return;
|
||
|
|
|
||
|
|
map_fd = bpf_find_map(__func__, obj, "vip_map");
|
||
|
|
if (map_fd < 0)
|
||
|
|
goto out;
|
||
|
|
bpf_map_update_elem(map_fd, &key, &value, 0);
|
||
|
|
|
||
|
|
map_fd = bpf_find_map(__func__, obj, "ch_rings");
|
||
|
|
if (map_fd < 0)
|
||
|
|
goto out;
|
||
|
|
bpf_map_update_elem(map_fd, &ch_key, &real_num, 0);
|
||
|
|
|
||
|
|
map_fd = bpf_find_map(__func__, obj, "reals");
|
||
|
|
if (map_fd < 0)
|
||
|
|
goto out;
|
||
|
|
bpf_map_update_elem(map_fd, &real_num, &real_def, 0);
|
||
|
|
|
||
|
|
topts.data_in = &pkt_v4;
|
||
|
|
topts.data_size_in = sizeof(pkt_v4);
|
||
|
|
|
||
|
|
err = bpf_prog_test_run_opts(prog_fd, &topts);
|
||
|
|
ASSERT_OK(err, "test_run");
|
||
|
|
ASSERT_EQ(topts.retval, 7 /*TC_ACT_REDIRECT*/, "ipv4 test_run retval");
|
||
|
|
ASSERT_EQ(topts.data_size_out, 54, "ipv4 test_run data_size_out");
|
||
|
|
ASSERT_EQ(*magic, MAGIC_VAL, "ipv4 magic");
|
||
|
|
|
||
|
|
topts.data_in = &pkt_v6;
|
||
|
|
topts.data_size_in = sizeof(pkt_v6);
|
||
|
|
topts.data_size_out = sizeof(buf); /* reset out size */
|
||
|
|
|
||
|
|
err = bpf_prog_test_run_opts(prog_fd, &topts);
|
||
|
|
ASSERT_OK(err, "test_run");
|
||
|
|
ASSERT_EQ(topts.retval, 7 /*TC_ACT_REDIRECT*/, "ipv6 test_run retval");
|
||
|
|
ASSERT_EQ(topts.data_size_out, 74, "ipv6 test_run data_size_out");
|
||
|
|
ASSERT_EQ(*magic, MAGIC_VAL, "ipv6 magic");
|
||
|
|
|
||
|
|
map_fd = bpf_find_map(__func__, obj, "stats");
|
||
|
|
if (map_fd < 0)
|
||
|
|
goto out;
|
||
|
|
bpf_map_lookup_elem(map_fd, &stats_key, stats);
|
||
|
|
for (i = 0; i < nr_cpus; i++) {
|
||
|
|
bytes += stats[i].bytes;
|
||
|
|
pkts += stats[i].pkts;
|
||
|
|
}
|
||
|
|
if (CHECK_FAIL(bytes != MAGIC_BYTES * NUM_ITER * 2 ||
|
||
|
|
pkts != NUM_ITER * 2))
|
||
|
|
printf("test_l4lb:FAIL:stats %lld %lld\n", bytes, pkts);
|
||
|
|
out:
|
||
|
|
bpf_object__close(obj);
|
||
|
|
}
|
||
|
|
|
||
|
|
void test_l4lb_all(void)
|
||
|
|
{
|
||
|
|
if (test__start_subtest("l4lb_inline"))
|
||
|
|
test_l4lb("test_l4lb.bpf.o");
|
||
|
|
if (test__start_subtest("l4lb_noinline"))
|
||
|
|
test_l4lb("test_l4lb_noinline.bpf.o");
|
||
|
|
}
|