Added xgmii_link_status.

libraries/technology/mac_10g/tb_tech_mac_10g.vhd

@@ -115,6 +115,7 @@ ARCHITECTURE tb OF tb_tech_mac_10g IS
   SIGNAL rx_sosi_data      : STD_LOGIC_VECTOR(c_tech_mac_10g_data_w-1 DOWNTO 0);  -- 64 bit
 
   -- 10G MAC XGMII interface
+  SIGNAL xgmii_link_status : STD_LOGIC_VECTOR(c_tech_mac_10g_link_status_w-1 DOWNTO 0);  -- 2 bit
   SIGNAL xgmii_tx_data     : STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0);  -- 72 bit
   SIGNAL xgmii_rx_data     : STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0);  -- 72 bit
 
@@ -249,6 +250,11 @@ BEGIN
     END IF;
   END PROCESS;
 
+  no_dut : IF c_st_loopback=TRUE GENERATE
+    rx_sosi <= tx_sosi;
+    tx_siso <= rx_siso;
+  END GENERATE;
+
   gen_dut : IF c_st_loopback=FALSE GENERATE
     dut : ENTITY work.tech_mac_10g
     GENERIC MAP (
@@ -277,16 +283,12 @@ BEGIN
       rx_src_in         => rx_siso, 
       
       -- XGMII
+      xgmii_link_status => xgmii_link_status,
       xgmii_tx_data     => xgmii_tx_data,  -- 72 bit
       xgmii_rx_data     => xgmii_rx_data   -- 72 bit
     );
   END GENERATE;
 
-  no_dut : IF c_st_loopback=TRUE GENERATE
-    rx_sosi <= tx_sosi;
-    tx_siso <= rx_siso;
-  END GENERATE;
-
   -- Loopback XGMII
   xgmii_rx_data <= TRANSPORT xgmii_tx_data AFTER phy_delay;
 

libraries/technology/mac_10g/tech_mac_10g.vhd

@@ -93,6 +93,7 @@ ENTITY tech_mac_10g IS
     rx_src_in         : IN  t_dp_siso; 
     
     -- XGMII
+    xgmii_link_status : OUT STD_LOGIC_VECTOR(c_tech_mac_10g_link_status_w-1 DOWNTO 0);  -- 2 bit
     xgmii_tx_data     : OUT STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0);  -- 72 bit
     xgmii_rx_data     : IN  STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0)   -- 72 bit
   );
@@ -134,7 +135,7 @@ BEGIN
     PORT MAP (mm_clk, mm_rst, csr_mosi, csr_miso,
               tx_clk_156, tx_rst, tx_mac_snk_in, tx_mac_snk_out,
               rx_clk_156, rx_rst, rx_mac_src_out, rx_mac_src_in,
-              xgmii_tx_data, xgmii_rx_data);
+              xgmii_link_status, xgmii_tx_data, xgmii_rx_data);
   END GENERATE;
   
   gen_ip_arria10 : IF g_technology=c_tech_arria10 GENERATE
@@ -142,7 +143,7 @@ BEGIN
     PORT MAP (mm_clk, mm_rst, csr_mosi, csr_miso,
               tx_clk_312, tx_clk_156, tx_rst, tx_mac_snk_in, tx_mac_snk_out,
               rx_clk_312, rx_clk_156, rx_rst, rx_mac_src_out, rx_mac_src_in,
-              xgmii_tx_data, xgmii_rx_data);  
+              xgmii_link_status, xgmii_tx_data, xgmii_rx_data);  
   END GENERATE;
   
   

libraries/technology/mac_10g/tech_mac_10g_arria10.vhd

@@ -54,6 +54,7 @@ ENTITY tech_mac_10g_arria10 IS
     rx_src_in         : IN  t_dp_siso; 
     
     -- XGMII
+    xgmii_link_status : OUT STD_LOGIC_VECTOR(c_tech_mac_10g_link_status_w-1 DOWNTO 0);  -- 2 bit
     xgmii_tx_data     : OUT STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0);  -- 72 bit
     xgmii_rx_data     : IN  STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0)   -- 72 bit
   );
@@ -135,7 +136,7 @@ BEGIN
     avalon_st_rxstatus_data         => OPEN,
     avalon_st_rxstatus_error        => OPEN,
     
-    link_fault_status_xgmii_rx_data => OPEN,
+    link_fault_status_xgmii_rx_data => xgmii_link_status,  -- 0=ok, 1=local fault, 2=remote fault
     
     unidirectional_en               => OPEN,
     unidirectional_remote_fault_dis => OPEN

libraries/technology/mac_10g/tech_mac_10g_component_pkg.vhd

@@ -32,6 +32,10 @@ PACKAGE tech_mac_10g_component_pkg IS
 
   FUNCTION func_tech_mac_10g_csr_addr_w(c_technology : NATURAL) RETURN NATURAL;
   
+  CONSTANT c_tech_mac_10g_link_status_w        : NATURAL := 2;
+  
+  TYPE t_tech_mac_10g_xgmii_status_arr IS ARRAY(INTEGER RANGE <>) OF STD_LOGIC_VECTOR(c_tech_mac_10g_link_status_w-1 DOWNTO 0);
+  
   CONSTANT c_tech_mac_10g_data_w               : NATURAL := c_xgmii_data_w;  -- = 64
 
   CONSTANT c_tech_mac_10g_symbol_w             : NATURAL := c_byte_w;                                         -- = 8 bit

libraries/technology/mac_10g/tech_mac_10g_stratixiv.vhd

@@ -52,6 +52,7 @@ ENTITY tech_mac_10g_stratixiv IS
     rx_src_in         : IN  t_dp_siso; 
     
     -- XGMII
+    xgmii_link_status : OUT STD_LOGIC_VECTOR(c_tech_mac_10g_link_status_w-1 DOWNTO 0);  -- 2 bit
     xgmii_tx_data     : OUT STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0);  -- 72 bit
     xgmii_rx_data     : IN  STD_LOGIC_VECTOR(c_xgmii_w-1 DOWNTO 0)   -- 72 bit
   );
@@ -121,7 +122,7 @@ BEGIN
     avalon_st_rxstatus_data         => OPEN,
     avalon_st_rxstatus_error        => OPEN,
     
-		link_fault_status_xgmii_rx_data => OPEN
+    link_fault_status_xgmii_rx_data => xgmii_link_status  -- 0=ok, 1=local fault, 2=remote fault
   );
   
 END str;