88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include <test_progs.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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__u32 duration, retval, size;
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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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err = bpf_prog_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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err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v4, sizeof(pkt_v4),
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buf, &size, &retval, &duration);
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CHECK(err || retval != 7/*TC_ACT_REDIRECT*/ || size != 54 ||
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*magic != MAGIC_VAL, "ipv4",
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"err %d errno %d retval %d size %d magic %x\n",
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err, errno, retval, size, *magic);
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err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v6, sizeof(pkt_v6),
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buf, &size, &retval, &duration);
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CHECK(err || retval != 7/*TC_ACT_REDIRECT*/ || size != 74 ||
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*magic != MAGIC_VAL, "ipv6",
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"err %d errno %d retval %d size %d magic %x\n",
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err, errno, retval, size, *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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const char *file1 = "./test_l4lb.o";
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const char *file2 = "./test_l4lb_noinline.o";
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test_l4lb(file1);
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test_l4lb(file2);
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}
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