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