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[/] [udp_ip_stack/] [trunk/] [bench/] [vhdl/] [IPv4_TX_tb.vhd] - Diff between revs 4 and 6

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Rev 4 Rev 6
Line 14... Line 14...
-- 
-- 
-- Dependencies:
-- Dependencies:
-- 
-- 
-- Revision:
-- Revision:
-- Revision 0.01 - File Created
-- Revision 0.01 - File Created
 
-- Revision 0.02 - Added test for IP broadcast tx
-- Additional Comments:
-- Additional Comments:
--
--
-- Notes: 
-- Notes: 
-- This testbench has been automatically generated using types std_logic and
-- This testbench has been automatically generated using types std_logic and
-- std_logic_vector for the ports of the unit under test.  Xilinx recommends
-- std_logic_vector for the ports of the unit under test.  Xilinx recommends
Line 253... Line 254...
                ip_tx_start <= '1';
                ip_tx_start <= '1';
                wait for clk_period;
                wait for clk_period;
                ip_tx_start <= '0'; wait for clk_period;
                ip_tx_start <= '0'; wait for clk_period;
                arp_req_rslt.got_mac <= '0';
                arp_req_rslt.got_mac <= '0';
 
 
                assert arp_req_req.lookup_req = '1'                     report "T1: lookup_req not set on tx start";
                assert arp_req_req.lookup_req = '1'                     report "T2: lookup_req not set on tx start";
                assert ip_tx_result = IPTX_RESULT_SENDING               report "T1: result should be IPTX_RESULT_SENDING";
                assert ip_tx_result = IPTX_RESULT_SENDING               report "T2: result should be IPTX_RESULT_SENDING";
 
 
                wait for clk_period;            -- simulate arp lookup time
                wait for clk_period;            -- simulate arp lookup time
                arp_req_rslt.mac <= x"050423271016";
                arp_req_rslt.mac <= x"050423271016";
                arp_req_rslt.got_mac <= '1';
                arp_req_rslt.got_mac <= '1';
 
 
                wait for clk_period*2;
                wait for clk_period*2;
 
 
                assert arp_req_req.lookup_req = '0'                      report "T1: lookup_req not clear after setting";
                assert arp_req_req.lookup_req = '0'                      report "T2: lookup_req not clear after setting";
                assert mac_tx_req = '1'                                         report "T1: mac_tx_req not set after getting mac";
                assert mac_tx_req = '1'                                                         report "T2: mac_tx_req not set after getting mac";
 
 
                wait for clk_period;            -- simulate mac chn access time
                wait for clk_period;            -- simulate mac chn access time
                mac_tx_granted <= '1';
                mac_tx_granted <= '1';
                wait for clk_period*2;
                wait for clk_period*2;
      mac_data_out_ready <= '1';
      mac_data_out_ready <= '1';
 
 
                assert ip_tx_data_out_ready = '0'        report "T1: IP data out ready asserted too early";
                assert ip_tx_data_out_ready = '0'                                report "T2: IP data out ready asserted too early";
 
 
                wait until ip_tx_data_out_ready = '1';
                wait until ip_tx_data_out_ready = '1';
 
 
                -- start to tx IP data
                -- start to tx IP data
                ip_tx.data.data_out_valid <= '1';
                ip_tx.data.data_out_valid <= '1';
Line 286... Line 287...
 
 
                ip_tx.data.data_out <= x"c6";
                ip_tx.data.data_out <= x"c6";
                ip_tx.data.data_out_last <= '1';
                ip_tx.data.data_out_last <= '1';
                wait for clk_period;
                wait for clk_period;
 
 
                assert mac_data_out_last = '1'                  report "T1: mac_datda_out_last not set on last byte";
                assert mac_data_out_last = '1'                                  report "T2: mac_datda_out_last not set on last byte";
 
 
 
 
                ip_tx.data.data_out_valid <= '0';
                ip_tx.data.data_out_valid <= '0';
                ip_tx.data.data_out_last <= '0';
                ip_tx.data.data_out_last <= '0';
                wait for clk_period*2;
                wait for clk_period*2;
 
 
                assert ip_tx_result = IPTX_RESULT_SENT          report "T1: result should be IPTX_RESULT_SENT";
                assert ip_tx_result = IPTX_RESULT_SENT                  report "T2: result should be IPTX_RESULT_SENT";
                assert mac_tx_req = '0'                                  report "T1: mac_tx_req held on too long after TX";
                assert mac_tx_req = '0'                                                  report "T2: mac_tx_req held on too long after TX";
 
 
                mac_tx_granted <= '0';
                mac_tx_granted <= '0';
                wait for clk_period*2;
                wait for clk_period*2;
 
 
 
                ------------
 
                -- TEST 3 -- tx test for IP broadcast, should be no arp req
 
                ------------
 
 
 
                report "T3: tx test for IP broadcast, should be no arp req";
 
 
 
                ip_tx.hdr.protocol <= x"11";
 
                ip_tx.hdr.data_length <= x"0006";
 
                ip_tx.hdr.dst_ip_addr <= x"ffffffff";
 
                ip_tx_start <= '1';
 
                wait for clk_period;
 
                ip_tx_start <= '0'; wait for clk_period;
 
                arp_req_rslt.got_mac <= '0';
 
 
 
                assert arp_req_req.lookup_req = '0'                      report "T3: its trying to do an ARP req tx start";
 
                assert ip_tx_result = IPTX_RESULT_SENDING               report "T3: result should be IPTX_RESULT_SENDING";
 
 
 
                wait for clk_period;            -- simulate mac chn access time
 
                mac_tx_granted <= '1';
 
                wait for clk_period*2;
 
      mac_data_out_ready <= '1';
 
 
 
                assert ip_tx_data_out_ready = '0'                                report "T3: IP data out ready asserted too early";
 
 
 
                wait until ip_tx_data_out_ready = '1';
 
 
 
                -- start to tx IP data
 
                ip_tx.data.data_out_valid <= '1';
 
                ip_tx.data.data_out <= x"c1"; wait for clk_period;
 
                ip_tx.data.data_out <= x"c2"; wait for clk_period;
 
                ip_tx.data.data_out <= x"c3"; wait for clk_period;
 
                ip_tx.data.data_out <= x"c4"; wait for clk_period;
 
                ip_tx.data.data_out <= x"c5"; wait for clk_period;
 
 
 
                ip_tx.data.data_out <= x"c6";
 
                ip_tx.data.data_out_last <= '1';
 
                wait for clk_period;
 
 
 
                assert mac_data_out_last = '1'                                  report "T3: mac_datda_out_last not set on last byte";
 
 
 
 
 
                ip_tx.data.data_out_valid <= '0';
 
                ip_tx.data.data_out_last <= '0';
 
                wait for clk_period*2;
 
 
 
                assert ip_tx_result = IPTX_RESULT_SENT                  report "T3: result should be IPTX_RESULT_SENT";
 
                assert mac_tx_req = '0'                                                  report "T3: mac_tx_req held on too long after TX";
 
 
 
                mac_tx_granted <= '0';
 
                wait for clk_period*2;
 
 
 
 
                report "--- end of tests ---";
                report "--- end of tests ---";
 
 
      wait;
      wait;
   end process;
   end process;
 
 

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