tests: add non-zc tests in send-zerocopy.c
We don't have good tests for normal non-zerocopy paths. Add them to
test_inet_send(), which covers lots of different cases. We can move
it into send_recv.c or so later.
Link:
@@ -256,6 +256,7 @@ struct send_conf {
bool force_async;
bool use_sendmsg;
bool tcp;
+ bool zc;
int buf_index;
struct sockaddr_storage *addr;
};
@@ -300,8 +301,14 @@ static int do_test_inet_send(struct io_uring *ring, int sock_client, int sock_se
sqe = io_uring_get_sqe(ring);
if (!conf->use_sendmsg) {
+ if (conf->zc) {
io_uring_prep_send_zc(sqe, sock_client, buf + i * chunk_size,
cur_size, msg_flags, zc_flags);
+ } else {
+ io_uring_prep_send(sqe, sock_client, buf + i * chunk_size,
+ cur_size, msg_flags);
+ }
+
if (real_fixed_buf) {
sqe->ioprio |= IORING_RECVSEND_FIXED_BUF;
sqe->buf_index = conf->buf_index;
@@ -310,7 +317,10 @@ static int do_test_inet_send(struct io_uring *ring, int sock_client, int sock_se
io_uring_prep_send_set_addr(sqe, (const struct sockaddr *)conf->addr,
addr_len);
} else {
+ if (conf->zc)
io_uring_prep_sendmsg_zc(sqe, sock_client, &msghdr[i], msg_flags);
+ else
+ io_uring_prep_sendmsg(sqe, sock_client, &msghdr[i], msg_flags);
memset(&msghdr[i], 0, sizeof(msghdr[i]));
iov[i].iov_len = cur_size;
@@ -413,7 +423,7 @@ static int test_inet_send(struct io_uring *ring)
return 1;
}
- for (i = 0; i < 256; i++) {
+ for (i = 0; i < 512; i++) {
conf.buf_index = i & 3;
conf.fixed_buf = i & 4;
conf.addr = (i & 8) ? &addr : NULL;
@@ -421,8 +431,19 @@ static int test_inet_send(struct io_uring *ring)
conf.mix_register = i & 32;
conf.force_async = i & 64;
conf.use_sendmsg = i & 128;
+ conf.zc = i & 256;
conf.tcp = tcp;
+ if (!conf.zc) {
+ if (conf.mix_register || conf.fixed_buf)
+ continue;
+ /*
+ * Non zerocopy send w/ addr was added together with sendmsg_zc,
+ * skip if we the kernel doesn't support it.
+ */
+ if (conf.addr && !has_sendmsg)
+ continue;
+ }
if (conf.buf_index == BUF_T_LARGE && !tcp)
continue;
if (!buffers_iov[conf.buf_index].iov_base)
@@ -435,6 +456,8 @@ static int test_inet_send(struct io_uring *ring)
continue;
if (conf.use_sendmsg && (conf.mix_register || conf.fixed_buf || !has_sendmsg))
continue;
+ if (msg_zc_set && !conf.zc)
+ continue;
ret = do_test_inet_send(ring, sock_client, sock_server, &conf);
if (ret) {
