rfnoc: noc_block_base: Add API to reduce num ports

This allows blocks to reduce the number of actual, available ports.

1 files changed, 20 insertions, 0 deletions

diff --git a/host/lib/rfnoc/noc_block_base.cpp b/host/lib/rfnoc/noc_block_base.cpp
index 0b2d456b2..97aaeb002 100644
--- a/host/lib/rfnoc/noc_block_base.cpp
+++ b/host/lib/rfnoc/noc_block_base.cpp
@@ -64,6 +64,26 @@ noc_block_base::~noc_block_base()
     // nop
 }
 
+void noc_block_base::set_num_input_ports(const size_t num_ports)
+{
+    if (num_ports > get_num_input_ports()) {
+        throw uhd::value_error(
+            "New number of input ports must not exceed current number!");
+    }
+
+    _num_input_ports = num_ports;
+}
+
+void noc_block_base::set_num_output_ports(const size_t num_ports)
+{
+    if (num_ports > get_num_output_ports()) {
+        throw uhd::value_error(
+            "New number of output ports must not exceed current number!");
+    }
+
+    _num_output_ports = num_ports;
+}
+
 
 void noc_block_base::set_tick_rate(const double tick_rate)
 {