int main(int argc, char **argv)
{
struct bpf_prog_load_attr attr = {
.file = "test_sock_fields_kern.o",
.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
.expected_attach_type = BPF_CGROUP_INET_EGRESS,
};
int cgroup_fd, prog_fd, err;
struct bpf_object *obj;
struct bpf_map *map;
err = setup_cgroup_environment();
CHECK(err, "setup_cgroup_environment()", "err:%d errno:%d",
err, errno);
atexit(cleanup_cgroup_environment);
/* Create a cgroup, get fd, and join it */
cgroup_fd = create_and_get_cgroup(TEST_CGROUP);
CHECK(cgroup_fd == -1, "create_and_get_cgroup()",
"cgroup_fd:%d errno:%d", cgroup_fd, errno);
err = join_cgroup(TEST_CGROUP);
CHECK(err, "join_cgroup", "err:%d errno:%d", err, errno);
err = bpf_prog_load_xattr(&attr, &obj, &prog_fd);
CHECK(err, "bpf_prog_load_xattr()", "err:%d", err);
err = bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_INET_EGRESS, 0);
CHECK(err == -1, "bpf_prog_attach(CPF_CGROUP_INET_EGRESS)",
"err:%d errno%d", err, errno);
close(cgroup_fd);
map = bpf_object__find_map_by_name(obj, "addr_map");
CHECK(!map, "cannot find addr_map", "(null)");
addr_map_fd = bpf_map__fd(map);
map = bpf_object__find_map_by_name(obj, "sock_result_map");
CHECK(!map, "cannot find sock_result_map", "(null)");
sk_map_fd = bpf_map__fd(map);
map = bpf_object__find_map_by_name(obj, "tcp_sock_result_map");
CHECK(!map, "cannot find tcp_sock_result_map", "(null)");
tp_map_fd = bpf_map__fd(map);
map = bpf_object__find_map_by_name(obj, "linum_map");
CHECK(!map, "cannot find linum_map", "(null)");
linum_map_fd = bpf_map__fd(map);
test();
bpf_object__close(obj);
cleanup_cgroup_environment();
printf("PASS\n");
return 0;
}
static int bpf_find_map(const char *test, struct bpf_object *obj,
const char *name)
{
struct bpf_map *map;
map = bpf_object__find_map_by_name(obj, name);
if (!map) {
printf("%s:FAIL:map '%s' not found\n", test, name);
return -1;
}
return bpf_map__fd(map);
}
int main(int argc, char **argv)
{
struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
struct bpf_prog_load_attr prog_load_attr = {
.prog_type = BPF_PROG_TYPE_XDP,
};
int prog_fd, qidconf_map, xsks_map;
struct bpf_object *obj;
char xdp_filename[256];
struct bpf_map *map;
int i, ret, key = 0;
pthread_t pt;
parse_command_line(argc, argv);
if (setrlimit(RLIMIT_MEMLOCK, &r)) {
fprintf(stderr, "ERROR: setrlimit(RLIMIT_MEMLOCK) \"%s\"\n",
strerror(errno));
exit(EXIT_FAILURE);
}
snprintf(xdp_filename, sizeof(xdp_filename), "%s_kern.o", argv[0]);
prog_load_attr.file = xdp_filename;
if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
exit(EXIT_FAILURE);
if (prog_fd < 0) {
fprintf(stderr, "ERROR: no program found: %s\n",
strerror(prog_fd));
exit(EXIT_FAILURE);
}
map = bpf_object__find_map_by_name(obj, "qidconf_map");
qidconf_map = bpf_map__fd(map);
if (qidconf_map < 0) {
fprintf(stderr, "ERROR: no qidconf map found: %s\n",
strerror(qidconf_map));
exit(EXIT_FAILURE);
}
map = bpf_object__find_map_by_name(obj, "xsks_map");
xsks_map = bpf_map__fd(map);
if (xsks_map < 0) {
fprintf(stderr, "ERROR: no xsks map found: %s\n",
strerror(xsks_map));
exit(EXIT_FAILURE);
}
if (bpf_set_link_xdp_fd(opt_ifindex, prog_fd, opt_xdp_flags) < 0) {
fprintf(stderr, "ERROR: link set xdp fd failed\n");
exit(EXIT_FAILURE);
}
ret = bpf_map_update_elem(qidconf_map, &key, &opt_queue, 0);
if (ret) {
fprintf(stderr, "ERROR: bpf_map_update_elem qidconf\n");
exit(EXIT_FAILURE);
}
/* Create sockets... */
xsks[num_socks++] = xsk_configure(NULL);
#if RR_LB
for (i = 0; i < MAX_SOCKS - 1; i++)
xsks[num_socks++] = xsk_configure(xsks[0]->umem);
#endif
/* ...and insert them into the map. */
for (i = 0; i < num_socks; i++) {
key = i;
ret = bpf_map_update_elem(xsks_map, &key, &xsks[i]->sfd, 0);
if (ret) {
fprintf(stderr, "ERROR: bpf_map_update_elem %d\n", i);
exit(EXIT_FAILURE);
}
}
signal(SIGINT, int_exit);
signal(SIGTERM, int_exit);
signal(SIGABRT, int_exit);
setlocale(LC_ALL, "");
ret = pthread_create(&pt, NULL, poller, NULL);
lassert(ret == 0);
prev_time = get_nsecs();
if (opt_bench == BENCH_RXDROP)
rx_drop_all();
else if (opt_bench == BENCH_TXONLY)
tx_only(xsks[0]);
else
l2fwd(xsks[0]);
return 0;
}
