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