diff options
Diffstat (limited to 'tools/testing/selftests/bpf/test_tcpbpf_user.c')
-rw-r--r-- | tools/testing/selftests/bpf/test_tcpbpf_user.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/tools/testing/selftests/bpf/test_tcpbpf_user.c b/tools/testing/selftests/bpf/test_tcpbpf_user.c deleted file mode 100644 index 74a9e49988b6..000000000000 --- a/tools/testing/selftests/bpf/test_tcpbpf_user.c +++ /dev/null @@ -1,165 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <inttypes.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <linux/bpf.h> -#include <sys/types.h> -#include <bpf/bpf.h> -#include <bpf/libbpf.h> - -#include "bpf_rlimit.h" -#include "bpf_util.h" -#include "cgroup_helpers.h" - -#include "test_tcpbpf.h" - -/* 3 comes from one listening socket + both ends of the connection */ -#define EXPECTED_CLOSE_EVENTS 3 - -#define EXPECT_EQ(expected, actual, fmt) \ - do { \ - if ((expected) != (actual)) { \ - printf(" Value of: " #actual "\n" \ - " Actual: %" fmt "\n" \ - " Expected: %" fmt "\n", \ - (actual), (expected)); \ - ret--; \ - } \ - } while (0) - -int verify_result(const struct tcpbpf_globals *result) -{ - __u32 expected_events; - int ret = 0; - - expected_events = ((1 << BPF_SOCK_OPS_TIMEOUT_INIT) | - (1 << BPF_SOCK_OPS_RWND_INIT) | - (1 << BPF_SOCK_OPS_TCP_CONNECT_CB) | - (1 << BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB) | - (1 << BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB) | - (1 << BPF_SOCK_OPS_NEEDS_ECN) | - (1 << BPF_SOCK_OPS_STATE_CB) | - (1 << BPF_SOCK_OPS_TCP_LISTEN_CB)); - - EXPECT_EQ(expected_events, result->event_map, "#" PRIx32); - EXPECT_EQ(501ULL, result->bytes_received, "llu"); - EXPECT_EQ(1002ULL, result->bytes_acked, "llu"); - EXPECT_EQ(1, result->data_segs_in, PRIu32); - EXPECT_EQ(1, result->data_segs_out, PRIu32); - EXPECT_EQ(0x80, result->bad_cb_test_rv, PRIu32); - EXPECT_EQ(0, result->good_cb_test_rv, PRIu32); - EXPECT_EQ(1, result->num_listen, PRIu32); - EXPECT_EQ(EXPECTED_CLOSE_EVENTS, result->num_close_events, PRIu32); - - return ret; -} - -int verify_sockopt_result(int sock_map_fd) -{ - __u32 key = 0; - int ret = 0; - int res; - int rv; - - /* check setsockopt for SAVE_SYN */ - rv = bpf_map_lookup_elem(sock_map_fd, &key, &res); - EXPECT_EQ(0, rv, "d"); - EXPECT_EQ(0, res, "d"); - key = 1; - /* check getsockopt for SAVED_SYN */ - rv = bpf_map_lookup_elem(sock_map_fd, &key, &res); - EXPECT_EQ(0, rv, "d"); - EXPECT_EQ(1, res, "d"); - return ret; -} - -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) -{ - const char *file = "test_tcpbpf_kern.o"; - int prog_fd, map_fd, sock_map_fd; - struct tcpbpf_globals g = {0}; - const char *cg_path = "/foo"; - int error = EXIT_FAILURE; - struct bpf_object *obj; - int cg_fd = -1; - int retry = 10; - __u32 key = 0; - int rv; - - cg_fd = cgroup_setup_and_join(cg_path); - if (cg_fd < 0) - goto err; - - if (bpf_prog_load(file, BPF_PROG_TYPE_SOCK_OPS, &obj, &prog_fd)) { - printf("FAILED: load_bpf_file failed for: %s\n", file); - goto err; - } - - rv = bpf_prog_attach(prog_fd, cg_fd, BPF_CGROUP_SOCK_OPS, 0); - if (rv) { - printf("FAILED: bpf_prog_attach: %d (%s)\n", - error, strerror(errno)); - goto err; - } - - if (system("./tcp_server.py")) { - printf("FAILED: TCP server\n"); - goto err; - } - - map_fd = bpf_find_map(__func__, obj, "global_map"); - if (map_fd < 0) - goto err; - - sock_map_fd = bpf_find_map(__func__, obj, "sockopt_results"); - if (sock_map_fd < 0) - goto err; - -retry_lookup: - rv = bpf_map_lookup_elem(map_fd, &key, &g); - if (rv != 0) { - printf("FAILED: bpf_map_lookup_elem returns %d\n", rv); - goto err; - } - - if (g.num_close_events != EXPECTED_CLOSE_EVENTS && retry--) { - printf("Unexpected number of close events (%d), retrying!\n", - g.num_close_events); - usleep(100); - goto retry_lookup; - } - - if (verify_result(&g)) { - printf("FAILED: Wrong stats\n"); - goto err; - } - - if (verify_sockopt_result(sock_map_fd)) { - printf("FAILED: Wrong sockopt stats\n"); - goto err; - } - - printf("PASSED!\n"); - error = 0; -err: - bpf_prog_detach(cg_fd, BPF_CGROUP_SOCK_OPS); - close(cg_fd); - cleanup_cgroup_environment(); - return error; -} |