Re: [RFC PATCH v1] vsock/test: add '--peer-port' input argument

From: Stefano Garzarella
Date: Mon Jan 15 2024 - 06:55:31 EST

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In reply to: Arseniy Krasnov: "[RFC PATCH v1] vsock/test: add '--peer-port' input argument"
Next in thread: Arseniy Krasnov: "Re: [RFC PATCH v1] vsock/test: add '--peer-port' input argument"
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Hi Arseniy,
thanks for this patch!

On Sat, Jan 13, 2024 at 12:21:10AM +0300, Arseniy Krasnov wrote:

Implement port for given CID as input argument instead of using
hardcoded value '1234'. This allows to run different test instances
on a single CID. Port argument is not required parameter and if it is
not set, then default value will be '1234' - thus we preserve previous
behaviour.

Signed-off-by: Arseniy Krasnov <avkrasnov@xxxxxxxxxxxxxxxxx>
---
tools/testing/vsock/util.c | 17 +++-
tools/testing/vsock/util.h | 4 +
tools/testing/vsock/vsock_diag_test.c | 18 ++++-
tools/testing/vsock/vsock_test.c | 96 +++++++++++++----------
tools/testing/vsock/vsock_test_zerocopy.c | 12 +--
tools/testing/vsock/vsock_uring_test.c | 16 +++-
6 files changed, 107 insertions(+), 56 deletions(-)

diff --git a/tools/testing/vsock/util.c b/tools/testing/vsock/util.c
index ae2b33c21c45..554b290fefdc 100644
--- a/tools/testing/vsock/util.c
+++ b/tools/testing/vsock/util.c
@@ -33,8 +33,7 @@ void init_signals(void)
signal(SIGPIPE, SIG_IGN);
}

-/* Parse a CID in string representation */
-unsigned int parse_cid(const char *str)
+static unsigned int parse_uint(const char *str, const char *err_str)
{
char *endptr = NULL;
unsigned long n;
@@ -42,12 +41,24 @@ unsigned int parse_cid(const char *str)
errno = 0;
n = strtoul(str, &endptr, 10);
if (errno || *endptr != '\0') {
- fprintf(stderr, "malformed CID \"%s\"\n", str);
+ fprintf(stderr, "malformed %s \"%s\"\n", err_str, str);
exit(EXIT_FAILURE);
}
return n;
}

+/* Parse a CID in string representation */
+unsigned int parse_cid(const char *str)
+{
+ return parse_uint(str, "CID");
+}
+
+/* Parse a port in string representation */
+unsigned int parse_port(const char *str)
+{
+ return parse_uint(str, "port");
+}
+
/* Wait for the remote to close the connection */
void vsock_wait_remote_close(int fd)
{
diff --git a/tools/testing/vsock/util.h b/tools/testing/vsock/util.h
index 03c88d0cb861..e95e62485959 100644
--- a/tools/testing/vsock/util.h
+++ b/tools/testing/vsock/util.h
@@ -12,10 +12,13 @@ enum test_mode {
TEST_MODE_SERVER
};

+#define DEFAULT_PEER_PORT 1234
+
/* Test runner options */
struct test_opts {
enum test_mode mode;
unsigned int peer_cid;
+ unsigned int peer_port;
};

/* A test case definition. Test functions must print failures to stderr and
@@ -35,6 +38,7 @@ struct test_case {

void init_signals(void);
unsigned int parse_cid(const char *str);
+unsigned int parse_port(const char *str);
int vsock_stream_connect(unsigned int cid, unsigned int port);
int vsock_bind_connect(unsigned int cid, unsigned int port,
unsigned int bind_port, int type);
diff --git a/tools/testing/vsock/vsock_diag_test.c b/tools/testing/vsock/vsock_diag_test.c
index fa927ad16f8a..5e6049226b77 100644
--- a/tools/testing/vsock/vsock_diag_test.c
+++ b/tools/testing/vsock/vsock_diag_test.c
@@ -342,7 +342,7 @@ static void test_listen_socket_server(const struct test_opts *opts)
} addr = {
.svm = {
.svm_family = AF_VSOCK,
- .svm_port = 1234,
+ .svm_port = opts->peer_port,
.svm_cid = VMADDR_CID_ANY,
},
};
@@ -378,7 +378,7 @@ static void test_connect_client(const struct test_opts *opts)
LIST_HEAD(sockets);
struct vsock_stat *st;

- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -403,7 +403,7 @@ static void test_connect_server(const struct test_opts *opts)
LIST_HEAD(sockets);
int client_fd;

- client_fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ client_fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (client_fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -461,6 +461,11 @@ static const struct option longopts[] = {
.has_arg = required_argument,
.val = 'p',
},
+ {
+ .name = "peer-port",
+ .has_arg = required_argument,
+ .val = 'q',
+ },
{
.name = "list",
.has_arg = no_argument,
@@ -481,7 +486,7 @@ static const struct option longopts[] = {

static void usage(void)
{
- fprintf(stderr, "Usage: vsock_diag_test [--help] [--control-host=<host>] --control-port=<port> --mode=client|server --peer-cid=<cid> [--list] [--skip=<test_id>]\n"
+ fprintf(stderr, "Usage: vsock_diag_test [--help] [--control-host=<host>] --control-port=<port> --mode=client|server --peer-cid=<cid> [--peer-port=<port>] [--list] [--skip=<test_id>]\n"
"\n"
" Server: vsock_diag_test --control-port=1234 --mode=server --peer-cid=3\n"
" Client: vsock_diag_test --control-host=192.168.0.1 --control-port=1234 --mode=client --peer-cid=2\n"
@@ -503,6 +508,7 @@ static void usage(void)
" --control-port <port> Server port to listen on/connect to\n"
" --mode client|server Server or client mode\n"
" --peer-cid <cid> CID of the other side\n"
+ " --peer-port <port> Port of the other side\n"

I'd suggest adding the default value and rewording a bit. Something like this (applied on vsock_test, but should be similar):

--- a/tools/testing/vsock/vsock_test.c
+++ b/tools/testing/vsock/vsock_test.c
@@ -1595,10 +1595,11 @@ static void usage(void)
" --control-port <port> Server port to listen on/connect to\n"
" --mode client|server Server or client mode\n"
" --peer-cid <cid> CID of the other side\n"
- " --peer-port <port> Port of the other side\n"
+ " --peer-port <port> AF_VSOCK port used for the test [default: %d]\n"
" --list List of tests that will be executed\n"
" --skip <test_id> Test ID to skip;\n"
- " use multiple --skip options to skip more tests\n"
+ " use multiple --skip options to skip more tests\n",
+ DEFAULT_PEER_PORT
);
exit(EXIT_FAILURE);
}

" --list List of tests that will be executed\n"
" --skip <test_id> Test ID to skip;\n"
" use multiple --skip options to skip more tests\n"
@@ -517,6 +523,7 @@ int main(int argc, char **argv)
struct test_opts opts = {
.mode = TEST_MODE_UNSET,
.peer_cid = VMADDR_CID_ANY,
+ .peer_port = DEFAULT_PEER_PORT

I'd add a comma:

.peer_port = DEFAULT_PEER_PORT,

};

init_signals();
@@ -544,6 +551,9 @@ int main(int argc, char **argv)
case 'p':
opts.peer_cid = parse_cid(optarg);
break;
+ case 'q':
+ opts.peer_port = parse_port(optarg);
+ break;
case 'P':
control_port = optarg;
break;
diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c
index 66246d81d654..58574f4d1fe1 100644
--- a/tools/testing/vsock/vsock_test.c
+++ b/tools/testing/vsock/vsock_test.c
@@ -34,7 +34,7 @@ static void test_stream_connection_reset(const struct test_opts *opts)
} addr = {
.svm = {
.svm_family = AF_VSOCK,
- .svm_port = 1234,
+ .svm_port = opts->peer_port,
.svm_cid = opts->peer_cid,
},
};
@@ -70,7 +70,7 @@ static void test_stream_bind_only_client(const struct test_opts *opts)
} addr = {
.svm = {
.svm_family = AF_VSOCK,
- .svm_port = 1234,
+ .svm_port = opts->peer_port,
.svm_cid = opts->peer_cid,
},
};
@@ -112,7 +112,7 @@ static void test_stream_bind_only_server(const struct test_opts *opts)
} addr = {
.svm = {
.svm_family = AF_VSOCK,
- .svm_port = 1234,
+ .svm_port = opts->peer_port,
.svm_cid = VMADDR_CID_ANY,
},
};
@@ -138,7 +138,7 @@ static void test_stream_client_close_client(const struct test_opts *opts)
{
int fd;

- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -152,7 +152,7 @@ static void test_stream_client_close_server(const struct test_opts *opts)
{
int fd;

- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -173,7 +173,7 @@ static void test_stream_server_close_client(const struct test_opts *opts)
{
int fd;

- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -194,7 +194,7 @@ static void test_stream_server_close_server(const struct test_opts *opts)
{
int fd;

- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -215,7 +215,7 @@ static void test_stream_multiconn_client(const struct test_opts *opts)
int i;

for (i = 0; i < MULTICONN_NFDS; i++) {
- fds[i] = vsock_stream_connect(opts->peer_cid, 1234);
+ fds[i] = vsock_stream_connect(opts->peer_cid, opts->peer_port);
if (fds[i] < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -239,7 +239,7 @@ static void test_stream_multiconn_server(const struct test_opts *opts)
int i;

for (i = 0; i < MULTICONN_NFDS; i++) {
- fds[i] = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fds[i] = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fds[i] < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -267,9 +267,9 @@ static void test_msg_peek_client(const struct test_opts *opts,
int i;

if (seqpacket)
- fd = vsock_seqpacket_connect(opts->peer_cid, 1234);
+ fd = vsock_seqpacket_connect(opts->peer_cid, opts->peer_port);
else
- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);

if (fd < 0) {
perror("connect");
@@ -295,9 +295,9 @@ static void test_msg_peek_server(const struct test_opts *opts,
int fd;

if (seqpacket)
- fd = vsock_seqpacket_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_seqpacket_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
else
- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);

if (fd < 0) {
perror("accept");
@@ -363,7 +363,7 @@ static void test_seqpacket_msg_bounds_client(const struct test_opts *opts)
int msg_count;
int fd;

- fd = vsock_seqpacket_connect(opts->peer_cid, 1234);
+ fd = vsock_seqpacket_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -434,7 +434,7 @@ static void test_seqpacket_msg_bounds_server(const struct test_opts *opts)
struct msghdr msg = {0};
struct iovec iov = {0};

- fd = vsock_seqpacket_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_seqpacket_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -505,7 +505,7 @@ static void test_seqpacket_msg_trunc_client(const struct test_opts *opts)
int fd;
char buf[MESSAGE_TRUNC_SZ];

- fd = vsock_seqpacket_connect(opts->peer_cid, 1234);
+ fd = vsock_seqpacket_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -524,7 +524,7 @@ static void test_seqpacket_msg_trunc_server(const struct test_opts *opts)
struct msghdr msg = {0};
struct iovec iov = {0};

- fd = vsock_seqpacket_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_seqpacket_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -575,7 +575,7 @@ static void test_seqpacket_timeout_client(const struct test_opts *opts)
time_t read_enter_ns;
time_t read_overhead_ns;

- fd = vsock_seqpacket_connect(opts->peer_cid, 1234);
+ fd = vsock_seqpacket_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -620,7 +620,7 @@ static void test_seqpacket_timeout_server(const struct test_opts *opts)
{
int fd;

- fd = vsock_seqpacket_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_seqpacket_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -639,7 +639,7 @@ static void test_seqpacket_bigmsg_client(const struct test_opts *opts)

len = sizeof(sock_buf_size);

- fd = vsock_seqpacket_connect(opts->peer_cid, 1234);
+ fd = vsock_seqpacket_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -671,7 +671,7 @@ static void test_seqpacket_bigmsg_server(const struct test_opts *opts)
{
int fd;

- fd = vsock_seqpacket_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_seqpacket_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -692,7 +692,7 @@ static void test_seqpacket_invalid_rec_buffer_client(const struct test_opts *opt
unsigned char *buf2;
int buf_size = getpagesize() * 3;

- fd = vsock_seqpacket_connect(opts->peer_cid, 1234);
+ fd = vsock_seqpacket_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -732,7 +732,7 @@ static void test_seqpacket_invalid_rec_buffer_server(const struct test_opts *opt
int flags = MAP_PRIVATE | MAP_ANONYMOUS;
int i;

- fd = vsock_seqpacket_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_seqpacket_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -808,7 +808,7 @@ static void test_stream_poll_rcvlowat_server(const struct test_opts *opts)
int fd;
int i;

- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -839,7 +839,7 @@ static void test_stream_poll_rcvlowat_client(const struct test_opts *opts)
short poll_flags;
int fd;

- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -906,9 +906,9 @@ static void test_inv_buf_client(const struct test_opts *opts, bool stream)
int fd;

if (stream)
- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);
else
- fd = vsock_seqpacket_connect(opts->peer_cid, 1234);
+ fd = vsock_seqpacket_connect(opts->peer_cid, opts->peer_port);

if (fd < 0) {
perror("connect");
@@ -941,9 +941,9 @@ static void test_inv_buf_server(const struct test_opts *opts, bool stream)
int fd;

if (stream)
- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
else
- fd = vsock_seqpacket_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_seqpacket_accept(VMADDR_CID_ANY, opts->peer_port, NULL);

if (fd < 0) {
perror("accept");
@@ -986,7 +986,7 @@ static void test_stream_virtio_skb_merge_client(const struct test_opts *opts)
{
int fd;

- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -1015,7 +1015,7 @@ static void test_stream_virtio_skb_merge_server(const struct test_opts *opts)
unsigned char buf[64];
int fd;

- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -1108,7 +1108,7 @@ static void test_stream_shutwr_client(const struct test_opts *opts)

sigaction(SIGPIPE, &act, NULL);

- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -1130,7 +1130,7 @@ static void test_stream_shutwr_server(const struct test_opts *opts)
{
int fd;

- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -1151,7 +1151,7 @@ static void test_stream_shutrd_client(const struct test_opts *opts)

sigaction(SIGPIPE, &act, NULL);

- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -1170,7 +1170,7 @@ static void test_stream_shutrd_server(const struct test_opts *opts)
{
int fd;

- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -1193,7 +1193,7 @@ static void test_double_bind_connect_server(const struct test_opts *opts)
struct sockaddr_vm sa_client;
socklen_t socklen_client = sizeof(sa_client);

- listen_fd = vsock_stream_listen(VMADDR_CID_ANY, 1234);
+ listen_fd = vsock_stream_listen(VMADDR_CID_ANY, opts->peer_port);

for (i = 0; i < 2; i++) {
control_writeln("LISTENING");
@@ -1226,7 +1226,13 @@ static void test_double_bind_connect_client(const struct test_opts *opts)
/* Wait until server is ready to accept a new connection */
control_expectln("LISTENING");

- client_fd = vsock_bind_connect(opts->peer_cid, 1234, 4321, SOCK_STREAM);
+ /* We use 'peer_port + 1' as "some" port for the 'bind()'
+ * call. It is safe for overflow, but must be considered,
+ * when running multiple test applications simultaneously
+ * where 'peer-port' argument differs by 1.
+ */

It is pre-existing, but I think we can fix here:
Should we mention in the help/usage that we use peer_port and peer_port + 1 during the test?

Something like this:

@@ -1588,6 +1588,9 @@ static void usage(void)
"connect to.\n"
"\n"
"The CID of the other side must be given with --peer-cid=<cid>.\n"
+ "During the test, two AF_VSOCK ports will be used: the port\n"
+ "specified with --peer-port=<port> (or the default port)\n"
+ "and the next one.\n"
"\n"
"Options:\n"
" --help This help message\n"

+ client_fd = vsock_bind_connect(opts->peer_cid, opts->peer_port,
+ opts->peer_port + 1, SOCK_STREAM);

close(client_fd);
}
@@ -1246,7 +1252,7 @@ static void test_stream_rcvlowat_def_cred_upd_client(const struct test_opts *opt
void *buf;
int fd;

- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -1282,7 +1288,7 @@ static void test_stream_credit_update_test(const struct test_opts *opts,
void *buf;
int fd;

- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -1542,6 +1548,11 @@ static const struct option longopts[] = {
.has_arg = required_argument,
.val = 'p',
},
+ {
+ .name = "peer-port",
+ .has_arg = required_argument,
+ .val = 'q',
+ },
{
.name = "list",
.has_arg = no_argument,
@@ -1562,7 +1573,7 @@ static const struct option longopts[] = {

static void usage(void)
{
- fprintf(stderr, "Usage: vsock_test [--help] [--control-host=<host>] --control-port=<port> --mode=client|server --peer-cid=<cid> [--list] [--skip=<test_id>]\n"
+ fprintf(stderr, "Usage: vsock_test [--help] [--control-host=<host>] --control-port=<port> --mode=client|server --peer-cid=<cid> [--peer-port=<port>] [--list] [--skip=<test_id>]\n"
"\n"
" Server: vsock_test --control-port=1234 --mode=server --peer-cid=3\n"
" Client: vsock_test --control-host=192.168.0.1 --control-port=1234 --mode=client --peer-cid=2\n"
@@ -1584,6 +1595,7 @@ static void usage(void)
" --control-port <port> Server port to listen on/connect to\n"
" --mode client|server Server or client mode\n"
" --peer-cid <cid> CID of the other side\n"
+ " --peer-port <port> Port of the other side\n"

Ditto (the default and rewording).

" --list List of tests that will be executed\n"
" --skip <test_id> Test ID to skip;\n"
" use multiple --skip options to skip more tests\n"
@@ -1598,6 +1610,7 @@ int main(int argc, char **argv)
struct test_opts opts = {
.mode = TEST_MODE_UNSET,
.peer_cid = VMADDR_CID_ANY,
+ .peer_port = DEFAULT_PEER_PORT

Ditto (the comma).

};

srand(time(NULL));
@@ -1626,6 +1639,9 @@ int main(int argc, char **argv)
case 'p':
opts.peer_cid = parse_cid(optarg);
break;
+ case 'q':
+ opts.peer_port = parse_port(optarg);
+ break;
case 'P':
control_port = optarg;
break;
diff --git a/tools/testing/vsock/vsock_test_zerocopy.c b/tools/testing/vsock/vsock_test_zerocopy.c
index a16ff76484e6..04c376b6937f 100644
--- a/tools/testing/vsock/vsock_test_zerocopy.c
+++ b/tools/testing/vsock/vsock_test_zerocopy.c
@@ -152,9 +152,9 @@ static void test_client(const struct test_opts *opts,
int fd;

if (sock_seqpacket)
- fd = vsock_seqpacket_connect(opts->peer_cid, 1234);
+ fd = vsock_seqpacket_connect(opts->peer_cid, opts->peer_port);
else
- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);

if (fd < 0) {
perror("connect");
@@ -248,9 +248,9 @@ static void test_server(const struct test_opts *opts,
int fd;

if (sock_seqpacket)
- fd = vsock_seqpacket_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_seqpacket_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
else
- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);

if (fd < 0) {
perror("accept");
@@ -323,7 +323,7 @@ void test_stream_msgzcopy_empty_errq_client(const struct test_opts *opts)
ssize_t res;
int fd;

- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -347,7 +347,7 @@ void test_stream_msgzcopy_empty_errq_server(const struct test_opts *opts)
{
int fd;

- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
diff --git a/tools/testing/vsock/vsock_uring_test.c b/tools/testing/vsock/vsock_uring_test.c
index d976d35f0ba9..4e363c6d6e4d 100644
--- a/tools/testing/vsock/vsock_uring_test.c
+++ b/tools/testing/vsock/vsock_uring_test.c
@@ -66,7 +66,7 @@ static void vsock_io_uring_client(const struct test_opts *opts,
struct msghdr msg;
int fd;

- fd = vsock_stream_connect(opts->peer_cid, 1234);
+ fd = vsock_stream_connect(opts->peer_cid, opts->peer_port);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@@ -120,7 +120,7 @@ static void vsock_io_uring_server(const struct test_opts *opts,
void *data;
int fd;

- fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ fd = vsock_stream_accept(VMADDR_CID_ANY, opts->peer_port, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@@ -247,6 +247,11 @@ static const struct option longopts[] = {
.has_arg = required_argument,
.val = 'p',
},
+ {
+ .name = "peer-port",
+ .has_arg = required_argument,
+ .val = 'q',
+ },
{
.name = "help",
.has_arg = no_argument,
@@ -257,7 +262,7 @@ static const struct option longopts[] = {

static void usage(void)
{
- fprintf(stderr, "Usage: vsock_uring_test [--help] [--control-host=<host>] --control-port=<port> --mode=client|server --peer-cid=<cid>\n"
+ fprintf(stderr, "Usage: vsock_uring_test [--help] [--control-host=<host>] --control-port=<port> --mode=client|server --peer-cid=<cid> [--peer-port=<port>]\n"
"\n"
" Server: vsock_uring_test --control-port=1234 --mode=server --peer-cid=3\n"
" Client: vsock_uring_test --control-host=192.168.0.1 --control-port=1234 --mode=client --peer-cid=2\n"
@@ -271,6 +276,7 @@ static void usage(void)
" --control-port <port> Server port to listen on/connect to\n"
" --mode client|server Server or client mode\n"
" --peer-cid <cid> CID of the other side\n"
+ " --peer-port <port> Port of the other side\n"

Ditto (the default and rewording).

);
exit(EXIT_FAILURE);
}
@@ -282,6 +288,7 @@ int main(int argc, char **argv)
struct test_opts opts = {
.mode = TEST_MODE_UNSET,
.peer_cid = VMADDR_CID_ANY,
+ .peer_port = DEFAULT_PEER_PORT

Ditto (the comma).

};

init_signals();
@@ -309,6 +316,9 @@ int main(int argc, char **argv)
case 'p':
opts.peer_cid = parse_cid(optarg);
break;
+ case 'q':
+ opts.peer_port = parse_port(optarg);
+ break;
case 'P':
control_port = optarg;
break;
--
2.25.1

The rest LGTM, I think you can send the next version without RFC,
targeting net-next.

Thanks,
Stefano

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