diff --git a/src/gateware/cxp.py b/src/gateware/cxp.py
index 0c5b26b..fca9f19 100644
--- a/src/gateware/cxp.py
+++ b/src/gateware/cxp.py
@@ -25,14 +25,20 @@ class CXP_Interface(Module, AutoCSR):
     def get_tx_port(self):
         return self.upconn.command.mem.get_port(write_capable=True)
 
+    def get_tx_mem_size(self):
+        return self.upconn.command.mem.depth*self.upconn.command.mem.width
+
     def get_rx_port(self):
         return self.downconn.packet_decoder.mem.get_port(write_capable=False)
 
+    def get_rx_mem_size(self):
+        return self.downconn.packet_decoder.mem.depth*self.downconn.packet_decoder.mem.width
+
     def get_loopback_tx_port(self):
         return self.downconn.command.mem.get_port(write_capable=True)
     
-    def get_mem_size(self):
-        return buffer_depth*word_dw
+    def get_loopback_tx_mem_size(self):
+        return self.downconn.command.mem.depth*self.downconn.command.mem.width
 
 class DownConn_Interface(Module, AutoCSR):
     def __init__(self, phy, debug_sma, pmod_pads):