diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/sk_storage_omem_uncharge.c')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/sk_storage_omem_uncharge.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/sk_storage_omem_uncharge.c b/tools/testing/selftests/bpf/prog_tests/sk_storage_omem_uncharge.c new file mode 100644 index 0000000000..f35852d245 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/sk_storage_omem_uncharge.c @@ -0,0 +1,56 @@ +// 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); +} |