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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2023 Facebook */
#include <test_progs.h>
#include <bpf/libbpf.h>
#include <sys/types.h>
#include <sys/socket.h>
#include "sk_storage_omem_uncharge.skel.h"
void test_sk_storage_omem_uncharge(void)
{
struct sk_storage_omem_uncharge *skel;
int sk_fd = -1, map_fd, err, value;
socklen_t optlen;
skel = sk_storage_omem_uncharge__open_and_load();
if (!ASSERT_OK_PTR(skel, "skel open_and_load"))
return;
map_fd = bpf_map__fd(skel->maps.sk_storage);
/* A standalone socket not binding to addr:port,
* so nentns is not needed.
*/
sk_fd = socket(AF_INET6, SOCK_STREAM, 0);
if (!ASSERT_GE(sk_fd, 0, "socket"))
goto done;
optlen = sizeof(skel->bss->cookie);
err = getsockopt(sk_fd, SOL_SOCKET, SO_COOKIE, &skel->bss->cookie, &optlen);
if (!ASSERT_OK(err, "getsockopt(SO_COOKIE)"))
goto done;
value = 0;
err = bpf_map_update_elem(map_fd, &sk_fd, &value, 0);
if (!ASSERT_OK(err, "bpf_map_update_elem(value=0)"))
goto done;
value = 0xdeadbeef;
err = bpf_map_update_elem(map_fd, &sk_fd, &value, 0);
if (!ASSERT_OK(err, "bpf_map_update_elem(value=0xdeadbeef)"))
goto done;
err = sk_storage_omem_uncharge__attach(skel);
if (!ASSERT_OK(err, "attach"))
goto done;
close(sk_fd);
sk_fd = -1;
ASSERT_EQ(skel->bss->cookie_found, 2, "cookie_found");
ASSERT_EQ(skel->bss->omem, 0, "omem");
done:
sk_storage_omem_uncharge__destroy(skel);
if (sk_fd != -1)
close(sk_fd);
}
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