From 74206678a97bfa23ab6f8a9966bc88e798031e3c Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Mon, 24 Apr 2023 17:15:00 -0700
Subject: [PATCH] shared/tester: Add support for NULL PDUs

This adds support for NULL PDUs which can be used to skip a round of
TX/RX.
---
 src/shared/tester.c | 6 +++++-
 src/shared/tester.h | 2 ++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/shared/tester.c b/src/shared/tester.c
index 1feaba483..34f807556 100644
--- a/src/shared/tester.c
+++ b/src/shared/tester.c
@@ -914,8 +914,12 @@ static bool test_io_send(struct io *io, void *user_data)
 
 	g_assert_cmpint(len, ==, iov->iov_len);
 
-	if (!test->iovcnt && test->io_complete_func)
+	if (!test->iovcnt && test->io_complete_func) {
 		test->io_complete_func(test->test_data);
+	} else if (test->iovcnt && !test->iov->iov_base) {
+		test_get_iov(test);
+		return test_io_send(io, user_data);
+	}
 
 	return false;
 }
diff --git a/src/shared/tester.h b/src/shared/tester.h
index 49610185a..16f41022d 100644
--- a/src/shared/tester.h
+++ b/src/shared/tester.h
@@ -21,6 +21,8 @@
 		.iov_len = sizeof(data(args)), \
 	}
 
+#define IOV_NULL {}
+
 void tester_init(int *argc, char ***argv);
 int tester_run(void);
 
-- 
2.47.3