1*a96d1cfbSMartin KaFai Lau // SPDX-License-Identifier: GPL-2.0
2*a96d1cfbSMartin KaFai Lau /* Copyright (c) 2023 Facebook */
3*a96d1cfbSMartin KaFai Lau #include <test_progs.h>
4*a96d1cfbSMartin KaFai Lau #include <bpf/libbpf.h>
5*a96d1cfbSMartin KaFai Lau #include <sys/types.h>
6*a96d1cfbSMartin KaFai Lau #include <sys/socket.h>
7*a96d1cfbSMartin KaFai Lau #include "sk_storage_omem_uncharge.skel.h"
8*a96d1cfbSMartin KaFai Lau
test_sk_storage_omem_uncharge(void)9*a96d1cfbSMartin KaFai Lau void test_sk_storage_omem_uncharge(void)
10*a96d1cfbSMartin KaFai Lau {
11*a96d1cfbSMartin KaFai Lau struct sk_storage_omem_uncharge *skel;
12*a96d1cfbSMartin KaFai Lau int sk_fd = -1, map_fd, err, value;
13*a96d1cfbSMartin KaFai Lau socklen_t optlen;
14*a96d1cfbSMartin KaFai Lau
15*a96d1cfbSMartin KaFai Lau skel = sk_storage_omem_uncharge__open_and_load();
16*a96d1cfbSMartin KaFai Lau if (!ASSERT_OK_PTR(skel, "skel open_and_load"))
17*a96d1cfbSMartin KaFai Lau return;
18*a96d1cfbSMartin KaFai Lau map_fd = bpf_map__fd(skel->maps.sk_storage);
19*a96d1cfbSMartin KaFai Lau
20*a96d1cfbSMartin KaFai Lau /* A standalone socket not binding to addr:port,
21*a96d1cfbSMartin KaFai Lau * so nentns is not needed.
22*a96d1cfbSMartin KaFai Lau */
23*a96d1cfbSMartin KaFai Lau sk_fd = socket(AF_INET6, SOCK_STREAM, 0);
24*a96d1cfbSMartin KaFai Lau if (!ASSERT_GE(sk_fd, 0, "socket"))
25*a96d1cfbSMartin KaFai Lau goto done;
26*a96d1cfbSMartin KaFai Lau
27*a96d1cfbSMartin KaFai Lau optlen = sizeof(skel->bss->cookie);
28*a96d1cfbSMartin KaFai Lau err = getsockopt(sk_fd, SOL_SOCKET, SO_COOKIE, &skel->bss->cookie, &optlen);
29*a96d1cfbSMartin KaFai Lau if (!ASSERT_OK(err, "getsockopt(SO_COOKIE)"))
30*a96d1cfbSMartin KaFai Lau goto done;
31*a96d1cfbSMartin KaFai Lau
32*a96d1cfbSMartin KaFai Lau value = 0;
33*a96d1cfbSMartin KaFai Lau err = bpf_map_update_elem(map_fd, &sk_fd, &value, 0);
34*a96d1cfbSMartin KaFai Lau if (!ASSERT_OK(err, "bpf_map_update_elem(value=0)"))
35*a96d1cfbSMartin KaFai Lau goto done;
36*a96d1cfbSMartin KaFai Lau
37*a96d1cfbSMartin KaFai Lau value = 0xdeadbeef;
38*a96d1cfbSMartin KaFai Lau err = bpf_map_update_elem(map_fd, &sk_fd, &value, 0);
39*a96d1cfbSMartin KaFai Lau if (!ASSERT_OK(err, "bpf_map_update_elem(value=0xdeadbeef)"))
40*a96d1cfbSMartin KaFai Lau goto done;
41*a96d1cfbSMartin KaFai Lau
42*a96d1cfbSMartin KaFai Lau err = sk_storage_omem_uncharge__attach(skel);
43*a96d1cfbSMartin KaFai Lau if (!ASSERT_OK(err, "attach"))
44*a96d1cfbSMartin KaFai Lau goto done;
45*a96d1cfbSMartin KaFai Lau
46*a96d1cfbSMartin KaFai Lau close(sk_fd);
47*a96d1cfbSMartin KaFai Lau sk_fd = -1;
48*a96d1cfbSMartin KaFai Lau
49*a96d1cfbSMartin KaFai Lau ASSERT_EQ(skel->bss->cookie_found, 2, "cookie_found");
50*a96d1cfbSMartin KaFai Lau ASSERT_EQ(skel->bss->omem, 0, "omem");
51*a96d1cfbSMartin KaFai Lau
52*a96d1cfbSMartin KaFai Lau done:
53*a96d1cfbSMartin KaFai Lau sk_storage_omem_uncharge__destroy(skel);
54*a96d1cfbSMartin KaFai Lau if (sk_fd != -1)
55*a96d1cfbSMartin KaFai Lau close(sk_fd);
56*a96d1cfbSMartin KaFai Lau }
57