diff --git a/libraries/base/common/src/vhdl/common_interface_layers_pkg.vhd b/libraries/base/common/src/vhdl/common_interface_layers_pkg.vhd
index 88f5d9c429281d6423dc37a546e37091c027e9cc..a8fa4df69215554121e42767297b434d4ad4787e 100644
--- a/libraries/base/common/src/vhdl/common_interface_layers_pkg.vhd
+++ b/libraries/base/common/src/vhdl/common_interface_layers_pkg.vhd
@@ -55,9 +55,9 @@ PACKAGE common_interface_layers_pkg IS
   CONSTANT c_xgmii_c_start     : STD_LOGIC_VECTOR(c_xgmii_nof_lanes-1 DOWNTO 0) := x"01"; --b'00000001' as byte 0 contains START word FB
   CONSTANT c_xgmii_c_term      : STD_LOGIC_VECTOR(c_xgmii_nof_lanes-1 DOWNTO 0) := x"F8"; --b'11111000' as byte 3 contains TERMINATE word FD, bytes 7..4 are IDLE.
 
-  FUNCTION xgmii_dc( data : IN STD_LOGIC_VECTOR(c_xgmii_data_w-1 DOWNTO 0); ctrl : IN STD_LOGIC_VECTOR(c_xgmii_nof_lanes-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR;
-  FUNCTION xgmii_d( data_ctrl: IN STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR;
-  FUNCTION xgmii_c( data_ctrl: IN STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR;
+  FUNCTION func_xgmii_dc( data : IN STD_LOGIC_VECTOR(c_xgmii_data_w-1 DOWNTO 0); ctrl : IN STD_LOGIC_VECTOR(c_xgmii_nof_lanes-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR;
+  FUNCTION func_xgmii_d( data_ctrl: IN STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR;
+  FUNCTION func_xgmii_c( data_ctrl: IN STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR;
 
   TYPE t_xgmii_dc_arr IS ARRAY(INTEGER RANGE <>) OF STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0);
   TYPE t_xgmii_d_arr IS ARRAY(INTEGER RANGE <>) OF STD_LOGIC_VECTOR(c_xgmii_data_w-1 DOWNTO 0);
@@ -71,7 +71,7 @@ PACKAGE BODY common_interface_layers_pkg IS
   -- (November 2011) page 3-11: SDR XGMII Tx Interface for the proper mapping.
 
   -- Combine separate data and control bits into one XGMII SLV.
-  FUNCTION xgmii_dc( data : IN STD_LOGIC_VECTOR(c_xgmii_data_w-1 DOWNTO 0); ctrl : IN STD_LOGIC_VECTOR(c_xgmii_nof_lanes-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR IS  
+  FUNCTION func_xgmii_dc( data : IN STD_LOGIC_VECTOR(c_xgmii_data_w-1 DOWNTO 0); ctrl : IN STD_LOGIC_VECTOR(c_xgmii_nof_lanes-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR IS  
     VARIABLE data_ctrl_out : STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0);
   BEGIN
     -- Lane 0:
@@ -103,7 +103,7 @@ PACKAGE BODY common_interface_layers_pkg IS
   END;
 
   -- Extract the data bits from combined data+ctrl XGMII SLV.
-  FUNCTION xgmii_d( data_ctrl: IN STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR IS
+  FUNCTION func_xgmii_d( data_ctrl: IN STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR IS
     VARIABLE data_out : STD_LOGIC_VECTOR(c_xgmii_data_w-1 DOWNTO 0);
   BEGIN
     -- Lane 0:
@@ -127,7 +127,7 @@ PACKAGE BODY common_interface_layers_pkg IS
   END;
 
   -- Extract the control bits from combined data+ctrl XGMII SLV.
-  FUNCTION xgmii_c( data_ctrl: IN STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR IS
+  FUNCTION func_xgmii_c( data_ctrl: IN STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0)) RETURN STD_LOGIC_VECTOR IS
     VARIABLE ctrl_out : STD_LOGIC_VECTOR(c_xgmii_nof_lanes-1 DOWNTO 0);
   BEGIN
     -- Lane 0:
diff --git a/libraries/io/tr_10GbE/src/vhdl/tr_10GbE.vhd b/libraries/io/tr_10GbE/src/vhdl/tr_10GbE.vhd
index d56345fec744b79a6a96765a0de887997524af2b..e8994a4f21e50bcdcc4a096357180f99237ab096 100644
--- a/libraries/io/tr_10GbE/src/vhdl/tr_10GbE.vhd
+++ b/libraries/io/tr_10GbE/src/vhdl/tr_10GbE.vhd
@@ -653,10 +653,9 @@ BEGIN
 
     no_lpbk_xgmii: IF g_lpbk_xgmii = FALSE generate
       gen_arrays : for i in 0 to g_nof_macs-1 generate	    
-        tx_parallel_data(64*i+63 downto 64*i)  <= xgmii_d(mac_xgmii_tx_dc_arr(i));
-        tx_control(8*i+7 downto 8*i)           <= xgmii_c(mac_xgmii_tx_dc_arr(i));
-        mac_xgmii_rx_dc_arr(i)                 <= xgmii_dc(rx_parallel_data(64*i+63 downto 64*i),
-                                                  rx_control(8*i+7 downto 8*i));
+        tx_parallel_data(64*i+63 downto 64*i)  <= func_xgmii_d(mac_xgmii_tx_dc_arr(i));
+        tx_control(8*i+7 downto 8*i)           <= func_xgmii_c(mac_xgmii_tx_dc_arr(i));
+        mac_xgmii_rx_dc_arr(i)                 <= func_xgmii_dc(rx_parallel_data(64*i+63 downto 64*i), rx_control(8*i+7 downto 8*i));
       end generate gen_arrays;
     end generate;
 
diff --git a/libraries/io/tr_xaui/src/vhdl/tr_xaui.vhd b/libraries/io/tr_xaui/src/vhdl/tr_xaui.vhd
index 8e78ab38b5cc9707b03befc946fab70f1e8f165c..80f148da1314ff2172fc8180cb0db9a029066ef9 100644
--- a/libraries/io/tr_xaui/src/vhdl/tr_xaui.vhd
+++ b/libraries/io/tr_xaui/src/vhdl/tr_xaui.vhd
@@ -263,10 +263,10 @@ BEGIN
     -----------------------------------------------------------------------------
     gen_sosi_io: IF g_use_xgmii=FALSE GENERATE
  
-      xgmii_tx_dc(i) <= xgmii_dc(xgmii_tx_d(i), xgmii_tx_c(i));
+      xgmii_tx_dc(i) <= func_xgmii_dc(xgmii_tx_d(i), xgmii_tx_c(i));
   
-      xgmii_rx_d(i) <= xgmii_d(xgmii_rx_dc(i));
-      xgmii_rx_c(i) <= xgmii_c(xgmii_rx_dc(i));
+      xgmii_rx_d(i) <= func_xgmii_d(xgmii_rx_dc(i));
+      xgmii_rx_c(i) <= func_xgmii_c(xgmii_rx_dc(i));
   
       tx_siso_arr(i).ready <= '0' WHEN txc_rx_channelaligned_dly(i) = '0' ELSE tx_framer_siso_arr(i).ready;
       tx_siso_arr(i).xon   <= txc_rx_channelaligned_dly(i);
diff --git a/libraries/io/tr_xaui/tb/vhdl/sim_xaui.vhd b/libraries/io/tr_xaui/tb/vhdl/sim_xaui.vhd
index 47e4e4214d50693e966c12dbf5071a4248e4677f..13a408e99f05eef0419ba1ee5eac16564d551679 100644
--- a/libraries/io/tr_xaui/tb/vhdl/sim_xaui.vhd
+++ b/libraries/io/tr_xaui/tb/vhdl/sim_xaui.vhd
@@ -74,10 +74,10 @@ BEGIN
  
   gen_nof_xaui : FOR i IN g_nof_xaui-1 DOWNTO 0 GENERATE
 
-    xgmii_tx_d_arr(i) <= xgmii_d(xgmii_tx_dc_arr(i));
-    xgmii_tx_c_arr(i) <= xgmii_c(xgmii_tx_dc_arr(i));
+    xgmii_tx_d_arr(i) <= func_xgmii_d(xgmii_tx_dc_arr(i));
+    xgmii_tx_c_arr(i) <= func_xgmii_c(xgmii_tx_dc_arr(i));
 
-    xgmii_rx_dc_arr(i) <= xgmii_dc(xgmii_rx_d_arr(i), xgmii_rx_c_arr(i));
+    xgmii_rx_dc_arr(i) <= func_xgmii_dc(xgmii_rx_d_arr(i), xgmii_rx_c_arr(i));
     
     u_areset_tx_rdy : ENTITY common_lib.common_areset
     GENERIC MAP(
diff --git a/libraries/technology/ip_stratixiv/phy_xaui/tb_ip_stratixiv_phy_xaui.vhd b/libraries/technology/ip_stratixiv/phy_xaui/tb_ip_stratixiv_phy_xaui.vhd
index 8050482ff181699a3c330231cb77543f096347b7..dba50ba8366f07fad9ae851f9fa11dcc8fcafadc 100644
--- a/libraries/technology/ip_stratixiv/phy_xaui/tb_ip_stratixiv_phy_xaui.vhd
+++ b/libraries/technology/ip_stratixiv/phy_xaui/tb_ip_stratixiv_phy_xaui.vhd
@@ -111,11 +111,11 @@ BEGIN
   END PROCESS;
   
   -- Combine data and control into XGMII
-  xgmii_tx_dc <= xgmii_dc(xgmii_tx_d, xgmii_tx_c);
+  xgmii_tx_dc <= func_xgmii_dc(xgmii_tx_d, xgmii_tx_c);
 
   -- Extract data (d) from combined data+control (dc) XGMII
-  xgmii_rx_d <= xgmii_d(xgmii_rx_dc);
-  xgmii_rx_c <= xgmii_c(xgmii_rx_dc);
+  xgmii_rx_d <= func_xgmii_d(xgmii_rx_dc);
+  xgmii_rx_c <= func_xgmii_c(xgmii_rx_dc);
 
   -- DUT:
   u_ip_phy_xaui : ENTITY work.ip_stratixiv_phy_xaui_0