test: test iowq zc sends
Add tests exercising io-wq paths with zc by setting IOSQE_ASYNC.
Link:
@@ -239,7 +239,7 @@ static int prepare_ip(struct sockaddr_storage *addr, int *sock_client, int *sock
static int do_test_inet_send(struct io_uring *ring, int sock_client, int sock_server,
bool fixed_buf, struct sockaddr_storage *addr,
size_t send_size, bool cork, bool mix_register,
- int buf_idx)
+ int buf_idx, bool force_async)
{
const unsigned zc_flags = 0;
struct io_uring_sqe *sqe;
@@ -285,6 +285,8 @@ 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 *)addr,
addr_len);
}
+ if (force_async)
+ sqe->flags |= IOSQE_ASYNC;
}
ret = io_uring_submit(ring);
@@ -389,7 +391,7 @@ static int test_inet_send(struct io_uring *ring)
return 1;
}
- for (i = 0; i < 128; i++) {
+ for (i = 0; i < 256; i++) {
bool fixed_buf = i & 1;
struct sockaddr_storage *addr_arg = (i & 2) ? &addr : NULL;
size_t size = (i & 4) ? 137 : 4096;
@@ -398,6 +400,7 @@ static int test_inet_send(struct io_uring *ring)
bool aligned = i & 32;
bool large_buf = i & 64;
int buf_idx = aligned ? 0 : 1;
+ bool force_async = i & 128;
if (!tcp || !large_buf)
continue;
@@ -418,7 +421,7 @@ static int test_inet_send(struct io_uring *ring)
ret = do_test_inet_send(ring, sock_client, sock_server, fixed_buf,
addr_arg, size, cork, mix_register,
- buf_idx);
+ buf_idx, force_async);
if (ret) {
fprintf(stderr, "send failed fixed buf %i, conn %i, addr %i, "
"cork %i\n",
