if refclk_p = '1' then --- please  check for rising clock!
            if counter_frame_send = 0 then
            xgmii_txd <= X"d5555555555555fb";            
            xgmii_txc(7 downto 0) <= X"01";
            elsif counter_frame_send = 1 then
            xgmii_txd <= X"0201060504030202";            
            xgmii_txc(7 downto 0) <= X"00";
            elsif counter_frame_send = 2 then
            xgmii_txd <= X"55AA2E0006050403";
            xgmii_txc(7 downto 0) <= X"00";
            elsif counter_frame_send = 3 then
            xgmii_txd <= X"55AA55AAAA55AA55";
            xgmii_txc(7 downto 0) <= X"00";
            elsif counter_frame_send =4 then
            xgmii_txd <= X"55AA55AAAA55AA55";
            xgmii_txc(7 downto 0) <= X"00";
            elsif counter_frame_send =5 then
            xgmii_txd <= X"55AA55AAAA55AA55";
            xgmii_txc(7 downto 0) <= X"00";
            elsif counter_frame_send =6 then
            xgmii_txd <= X"55AA55AAAA55AA55";
            xgmii_txc(7 downto 0) <= X"00";
            elsif counter_frame_send =7 then
            xgmii_txd <= X"55AA55AAAA55AA55";
            xgmii_txc(7 downto 0) <= X"00";
            elsif counter_frame_send =8 then
            xgmii_txd <= X"70CB2707AA55AA55";
            xgmii_txc(7 downto 0) <= X"00";
            elsif counter_frame_send >8 then
            counter_frame_send := 0; --reset
            xgmii_txd(63 downto 0) <= X"07070707070707fd"; ---FRAME END
            xgmii_txc(7 downto 0) <= X"FF";
            else
            end if;
            counter_frame_send := counter_frame_send +1;
        end if;