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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2020 Google LLC.
*/
#include <test_progs.h>
#include <network_helpers.h>
void test_load_bytes_relative(void)
{
int server_fd, cgroup_fd, prog_fd, map_fd, client_fd;
int err;
struct bpf_object *obj;
struct bpf_program *prog;
struct bpf_map *test_result;
__u32 duration = 0;
__u32 map_key = 0;
__u32 map_value = 0;
cgroup_fd = test__join_cgroup("/load_bytes_relative");
if (CHECK_FAIL(cgroup_fd < 0))
return;
server_fd = start_server(AF_INET, SOCK_STREAM);
if (CHECK_FAIL(server_fd < 0))
goto close_cgroup_fd;
err = bpf_prog_load("./load_bytes_relative.o", BPF_PROG_TYPE_CGROUP_SKB,
&obj, &prog_fd);
if (CHECK_FAIL(err))
goto close_server_fd;
test_result = bpf_object__find_map_by_name(obj, "test_result");
if (CHECK_FAIL(!test_result))
goto close_bpf_object;
map_fd = bpf_map__fd(test_result);
if (map_fd < 0)
goto close_bpf_object;
prog = bpf_object__find_program_by_name(obj, "load_bytes_relative");
if (CHECK_FAIL(!prog))
goto close_bpf_object;
err = bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_MULTI);
if (CHECK_FAIL(err))
goto close_bpf_object;
client_fd = connect_to_fd(AF_INET, SOCK_STREAM, server_fd);
if (CHECK_FAIL(client_fd < 0))
goto close_bpf_object;
close(client_fd);
err = bpf_map_lookup_elem(map_fd, &map_key, &map_value);
if (CHECK_FAIL(err))
goto close_bpf_object;
CHECK(map_value != 1, "bpf", "bpf program returned failure");
close_bpf_object:
bpf_object__close(obj);
close_server_fd:
close(server_fd);
close_cgroup_fd:
close(cgroup_fd);
}
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