openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

bpf: Add test for SO_REUSEPORT_DETACH_BPF 

This patch adds a test for the new sockopt SO_REUSEPORT_DETACH_BPF.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Reviewed-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Martin KaFai Lau 2019-06-13 15:00:05 -07:00 committed by Daniel Borkmann
parent 13a748ea6d
commit d30bd78ce8
1 changed files with 54 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
tools/testing/selftests/bpf/test_select_reuseport.c
View File

@ -523,6 +523,58 @@ static void test_pass_on_err(int type, sa_family_t family)
printf("OK\n");
}
static void test_detach_bpf(int type, sa_family_t family)
{
#ifdef SO_DETACH_REUSEPORT_BPF
__u32 nr_run_before = 0, nr_run_after = 0, tmp, i;
struct epoll_event ev;
int cli_fd, err, nev;
struct cmd cmd = {};
int optvalue = 0;
printf("%s: ", __func__);
err = setsockopt(sk_fds[0], SOL_SOCKET, SO_DETACH_REUSEPORT_BPF,
&optvalue, sizeof(optvalue));
CHECK(err == -1, "setsockopt(SO_DETACH_REUSEPORT_BPF)",
"err:%d errno:%d\n", err, errno);
err = setsockopt(sk_fds[1], SOL_SOCKET, SO_DETACH_REUSEPORT_BPF,
&optvalue, sizeof(optvalue));
CHECK(err == 0 || errno != ENOENT, "setsockopt(SO_DETACH_REUSEPORT_BPF)",
"err:%d errno:%d\n", err, errno);
for (i = 0; i < NR_RESULTS; i++) {
err = bpf_map_lookup_elem(result_map, &i, &tmp);
CHECK(err == -1, "lookup_elem(result_map)",
"i:%u err:%d errno:%d\n", i, err, errno);
nr_run_before += tmp;
}
cli_fd = send_data(type, family, &cmd, sizeof(cmd), PASS);
nev = epoll_wait(epfd, &ev, 1, 5);
CHECK(nev <= 0, "nev <= 0",
"nev:%d expected:1 type:%d family:%d data:(0, 0)\n",
nev, type, family);
for (i = 0; i < NR_RESULTS; i++) {
err = bpf_map_lookup_elem(result_map, &i, &tmp);
CHECK(err == -1, "lookup_elem(result_map)",
"i:%u err:%d errno:%d\n", i, err, errno);
nr_run_after += tmp;
}
CHECK(nr_run_before != nr_run_after,
"nr_run_before != nr_run_after",
"nr_run_before:%u nr_run_after:%u\n",
nr_run_before, nr_run_after);
printf("OK\n");
close(cli_fd);
#else
printf("%s: SKIP\n", __func__);
#endif
}
static void prepare_sk_fds(int type, sa_family_t family, bool inany)
{
const int first = REUSEPORT_ARRAY_SIZE - 1;
@ -664,6 +716,8 @@ static void test_all(void)
test_pass(type, family);
test_syncookie(type, family);
test_pass_on_err(type, family);
/* Must be the last test */
test_detach_bpf(type, family);
cleanup_per_test();
printf("\n");