tests: modem: Modem backend mock update

Added possibility for link 2 modem mock instance for validating P2P communication without any data stubbing. Signed-off-by: Juha Heiskanen <[email protected]>
de-nordic · Dec 8, 2023 · 6943cd4 · 6943cd4
1 parent 093efc4
commit 6943cd4
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diff --git a/tests/subsys/modem/mock/modem_backend_mock.c b/tests/subsys/modem/mock/modem_backend_mock.c
@@ -42,6 +42,15 @@ static int modem_backend_mock_transmit(void *data, const uint8_t *buf, size_t si
 	int ret;
 
 	size = (mock->limit < size) ? mock->limit : size;
+
+	if (mock->bridge) {
+		struct modem_backend_mock *t_mock = mock->bridge;
+
+		ret = ring_buf_put(&t_mock->rx_rb, buf, size);
+		k_work_submit(&t_mock->received_work_item.work);
+		return ret;
+	}
+
 	ret = ring_buf_put(&mock->tx_rb, buf, size);
 	if (modem_backend_mock_update(mock, buf, size)) {
 		modem_backend_mock_put(mock, mock->transaction->put,
@@ -130,3 +139,9 @@ void modem_backend_mock_prime(struct modem_backend_mock *mock,
 	mock->transaction = transaction;
 	mock->transaction_match_cnt = 0;
 }
+
+void modem_backend_mock_bridge(struct modem_backend_mock *mock_a, struct modem_backend_mock *mock_b)
+{
+	mock_a->bridge = mock_b;
+	mock_b->bridge = mock_a;
+}
diff --git a/tests/subsys/modem/mock/modem_backend_mock.h b/tests/subsys/modem/mock/modem_backend_mock.h
@@ -41,6 +41,8 @@ struct modem_backend_mock {
 
 	/* Max allowed read/write size */
 	size_t limit;
+	/* Mock Brige pair */
+	struct modem_backend_mock *bridge;
 };
 
 struct modem_backend_mock_config {
@@ -63,4 +65,7 @@ void modem_backend_mock_put(struct modem_backend_mock *mock, const uint8_t *buf,
 void modem_backend_mock_prime(struct modem_backend_mock *mock,
 			      const struct modem_backend_mock_transaction *transaction);
 
+void modem_backend_mock_bridge(struct modem_backend_mock *mock_a,
+			       struct modem_backend_mock *mock_b);
+
 #endif /* ZEPHYR_DRIVERS_MODEM_MODEM_PIPE_MOCK */