1 |
2 |
boa_a_m |
--****************************************************************************************
|
2 |
|
|
library ieee;
|
3 |
|
|
use ieee.std_logic_1164.all;
|
4 |
|
|
use IEEE.NUMERIC_STD.all;
|
5 |
|
|
|
6 |
|
|
library work;
|
7 |
|
|
use work.signal_Package.all;
|
8 |
|
|
|
9 |
|
|
|
10 |
|
|
|
11 |
|
|
entity UDP_KED is
|
12 |
|
|
generic (
|
13 |
|
|
g_TIME_OUT_LOOKUP_TABLE_ARP : std_logic_vector(31 downto 0):= x"9502F900"; --20S
|
14 |
|
|
g_TIME_OUT_WAIT_FOR_ARP_REPLY : std_logic_vector(31 downto 0):= x"07735940"; --1S
|
15 |
|
|
g_RE_SEND_ARP_REQUEST : std_logic_vector(3 downto 0):= x"A"; --10
|
16 |
|
|
g_GENERATE_PING_MODULE : boolean := true;
|
17 |
|
|
g_GENERATE_ARP_MODULE : boolean := true;
|
18 |
|
|
g_DEFAULT_DST_MAC_ADDR : std_logic_vector (47 downto 0) := x"AABBCCDDEEFF"
|
19 |
|
|
);
|
20 |
|
|
port (
|
21 |
|
|
|
22 |
|
|
i_rx_clk : in std_logic;
|
23 |
|
|
i_tx_clk : in std_logic;
|
24 |
|
|
i_reset_rx : in std_logic;
|
25 |
|
|
i_reset_tx : in std_logic;
|
26 |
|
|
|
27 |
|
|
--******************************* IP ***************************************
|
28 |
|
|
-- IP to MAC TX Outputs
|
29 |
|
|
i_mac_tx_tready : in std_logic;
|
30 |
|
|
o_mac_tx_tdata : out std_logic_vector(7 downto 0);
|
31 |
|
|
o_mac_tx_tvalid : out std_logic;
|
32 |
|
|
o_mac_tx_tlast : out std_logic;
|
33 |
|
|
|
34 |
|
|
-- MAC to IP RX Inputs
|
35 |
|
|
i_mac_rx_tdata : in std_logic_vector(7 downto 0);
|
36 |
|
|
i_mac_rx_tvalid : in std_logic;
|
37 |
|
|
i_mac_rx_tlast : in std_logic;
|
38 |
|
|
|
39 |
|
|
|
40 |
|
|
-- IP Status Outputs
|
41 |
|
|
-- o_ip_rx_src_ip : out std_logic_vector(31 downto 0);
|
42 |
|
|
o_ip_rx_dst_ip : out std_logic_vector(31 downto 0);
|
43 |
|
|
o_ip_rx_data_len : out std_logic_vector(15 downto 0);
|
44 |
|
|
o_ip_rx_protocol : out std_logic_vector(7 downto 0);
|
45 |
|
|
-- o_ip_rx_broadcast : out std_logic;
|
46 |
|
|
o_ip_rx_err_out : out std_logic_vector (3 downto 0);
|
47 |
|
|
o_ip_tx_err_out : out std_logic_vector (3 downto 0);
|
48 |
|
|
o_arp_rx_err_out : out std_logic_vector (3 downto 0);
|
49 |
|
|
|
50 |
|
|
--************************** udp*********************************************
|
51 |
|
|
-- udp & IP Tx header construction
|
52 |
|
|
i_udp_tx_src_ip : in std_logic_vector (31 downto 0);
|
53 |
|
|
i_udp_tx_dst_ip : in std_logic_vector (31 downto 0);
|
54 |
|
|
i_udp_tx_data_len : in std_logic_vector (15 downto 0);
|
55 |
|
|
i_udp_tx_protocol : in std_logic_vector (7 downto 0);
|
56 |
|
|
i_udp_tx_src_mac : in std_logic_vector (47 downto 0);
|
57 |
|
|
i_udp_tx_checksum : in std_logic_vector (15 downto 0);
|
58 |
|
|
i_udp_tx_src_port : in std_logic_vector (15 downto 0);
|
59 |
|
|
i_udp_tx_dst_port : in std_logic_vector (15 downto 0);
|
60 |
|
|
|
61 |
|
|
|
62 |
|
|
i_ip_tx_fragmantation : in std_logic_vector(15 downto 0):=x"4000";
|
63 |
|
|
i_fragment_len : in std_logic_vector(16 - 1 downto 0):=x"4000";
|
64 |
|
|
-- udp TX Inpus
|
65 |
|
|
i_udp_tx_start : in std_logic;
|
66 |
|
|
o_udp_tx_ready : out std_logic;
|
67 |
|
|
i_udp_tx_din : in std_logic_vector (7 downto 0);
|
68 |
|
|
|
69 |
|
|
o_lookup_mac_err : out std_logic;
|
70 |
|
|
-- udp RX Outputs
|
71 |
|
|
o_udp_rx_dout : out std_logic_vector(7 downto 0);
|
72 |
|
|
o_udp_rx_dout_rdy : out std_logic;
|
73 |
|
|
o_udp_rx_dout_last : out std_logic;
|
74 |
|
|
|
75 |
|
|
o_arp_addr_valid : out std_logic;
|
76 |
|
|
|
77 |
|
|
-- udp RX Status Outputs
|
78 |
|
|
|
79 |
|
|
o_ip_rx_fragmantation : out std_logic_vector(15 downto 0);
|
80 |
|
|
|
81 |
|
|
o_udp_rx_src_ip : out std_logic_vector(31 downto 0);
|
82 |
|
|
o_udp_rx_src_port : out std_logic_vector(15 downto 0);
|
83 |
|
|
o_udp_rx_dst_port : out std_logic_vector(15 downto 0);
|
84 |
|
|
o_udp_rx_data_len : out std_logic_vector(15 downto 0);
|
85 |
|
|
o_udp_rx_err_out : out std_logic_vector(3 downto 0);
|
86 |
|
|
o_udp_tx_err_out : out std_logic_vector(3 downto 0)
|
87 |
|
|
|
88 |
|
|
);
|
89 |
|
|
end UDP_KED;
|
90 |
|
|
|
91 |
|
|
architecture structural of UDP_KED is
|
92 |
|
|
|
93 |
|
|
--================================= Constant ===========================================================
|
94 |
|
|
--Generate Block Conditional Constants
|
95 |
|
|
constant c_GENERATE_PING_MODULE : boolean := true; --if Ping Block is not Used,Value is False
|
96 |
|
|
constant c_GENERATE_ARP_MODULE : boolean := true; --if ARP Block is not Used,Value is False
|
97 |
|
|
constant c_DEFAULT_DST_MAC_ADDR : std_logic_vector (47 downto 0) := x"F46D04962225"; --if ARP Block is not Used,Copy PC MAC Address to This Value
|
98 |
|
|
|
99 |
|
|
|
100 |
|
|
--Application Layer Data Length
|
101 |
|
|
constant c_PACKET_LENGTH : std_logic_vector (15 downto 0):= x"05c0"; --1472 (Maximum Application Layer Packet Length)
|
102 |
|
|
constant c_udp_tx_src_ip : std_logic_vector (31 downto 0):= x"C0A86403"; --192.168.100.3(FPGA IP Adress)
|
103 |
|
|
constant c_udp_tx_dst_ip : std_logic_vector (31 downto 0):= x"C0A86402"; --192.168.100.2(PC IP Address)
|
104 |
|
|
constant c_udp_tx_protocol : std_logic_vector (7 downto 0) := x"11"; --UDP Protocol
|
105 |
|
|
constant c_udp_tx_src_mac : std_logic_vector (47 downto 0):= x"112233445566"; --FPGA MAC Address
|
106 |
|
|
constant c_udp_tx_checksum : std_logic_vector (15 downto 0):= x"0000"; --UDP Checksum(Value For This Constant is not Importanat)
|
107 |
|
|
constant c_udp_tx_src_port : std_logic_vector (15 downto 0):= x"0401"; --UDP Src Port(Value For This Constant is not Importanat)
|
108 |
|
|
constant c_udp_tx_dst_port : std_logic_vector (15 downto 0):= x"0FF5"; --UDP Dst Port(Value For This Constant is not Importanat)
|
109 |
|
|
|
110 |
|
|
|
111 |
|
|
--ARP Constants
|
112 |
|
|
constant c_TIME_OUT_LOOKUP_TABLE_ARP : std_logic_vector (31 downto 0) := x"9502F900"; --20S(Value/125MHz = 20 )
|
113 |
|
|
constant c_TIME_OUT_WAIT_FOR_ARP_REPLY : std_logic_vector (31 downto 0) := x"07735940"; --1S (Value/125MHz = 1 )
|
114 |
|
|
constant c_RE_SEND_ARP_REQUEST : std_logic_vector (3 downto 0) := x"A"; --10
|
115 |
|
|
|
116 |
|
|
|
117 |
|
|
--IP Constants
|
118 |
|
|
constant c_IP_TTL : std_logic_vector (7 downto 0) := x"80"; -- IP Packet Time to live
|
119 |
|
|
constant c_IP_BC_ADDR : std_logic_vector (31 downto 0) := x"ffffffff"; -- Broadcast IP Address
|
120 |
|
|
constant c_MAC_BC_ADDR : std_logic_vector (47 downto 0) := x"ffffffffffff"; -- Broadcast MAC Address
|
121 |
|
|
--======================================================================================================
|
122 |
|
|
|
123 |
|
|
--===================== Reset_gen Signals ==============================================================
|
124 |
|
|
signal s_cnt_rst : std_logic_vector(15 downto 0):=(others=>'0');
|
125 |
|
|
--======================================================================================================
|
126 |
|
|
|
127 |
|
|
--================================ Ethernet 1g Signals =================================================
|
128 |
|
|
signal s_gtx_clk : std_logic;
|
129 |
|
|
signal s_tx_clk : std_logic;
|
130 |
|
|
signal s_rx_clk : std_logic;
|
131 |
|
|
signal s_rstn : std_logic;
|
132 |
|
|
signal s_rx_reset : std_logic;
|
133 |
|
|
signal s_tx_reset : std_logic;
|
134 |
|
|
|
135 |
|
|
|
136 |
|
|
--mac to gmii_if signals
|
137 |
|
|
signal s_mac_gmii_rxd : std_logic_vector(7 downto 0);
|
138 |
|
|
signal s_mac_gmii_rx_dv : std_logic;
|
139 |
|
|
signal s_mac_gmii_rx_er : std_logic;
|
140 |
|
|
|
141 |
|
|
signal s_mac_gmii_txd : std_logic_vector(7 downto 0);
|
142 |
|
|
signal s_mac_gmii_tx_en : std_logic;
|
143 |
|
|
signal s_mac_gmii_tx_er : std_logic;
|
144 |
|
|
|
145 |
|
|
|
146 |
|
|
|
147 |
|
|
--ip to mac signals
|
148 |
|
|
signal s_mac_tx_tready : std_logic;
|
149 |
|
|
signal s_mac_tx_tdata : std_logic_vector(7 downto 0);
|
150 |
|
|
signal s_mac_tx_tvalid : std_logic;
|
151 |
|
|
signal s_mac_tx_tlast : std_logic;
|
152 |
|
|
|
153 |
|
|
signal s_mac_rx_tdata : std_logic_vector(7 downto 0);
|
154 |
|
|
signal s_mac_rx_tvalid : std_logic;
|
155 |
|
|
signal s_mac_rx_tlast : std_logic;
|
156 |
|
|
--======================================================================================================
|
157 |
|
|
|
158 |
|
|
|
159 |
|
|
--================================ UDP Signals =========================================================
|
160 |
|
|
-------- for transfer Rx data from IP to UDP layer----------------
|
161 |
|
|
signal s_ip_rx_dout : std_logic_vector(7 downto 0);
|
162 |
|
|
signal s_ip_rx_dout_rdy : std_logic;
|
163 |
|
|
signal s_ip_rx_dout_last : std_logic;
|
164 |
|
|
|
165 |
|
|
-------- for transfer Rx status data from IP to UDP layer---------
|
166 |
|
|
signal s_ip_rx_src_ip : std_logic_vector(31 downto 0);
|
167 |
|
|
signal s_ip_rx_dst_ip : std_logic_vector(31 downto 0);
|
168 |
|
|
signal s_ip_rx_data_len : std_logic_vector(15 downto 0);
|
169 |
|
|
signal s_ip_rx_protocol : std_logic_vector(7 downto 0);
|
170 |
|
|
signal s_ip_rx_broadcast : std_logic;
|
171 |
|
|
signal s_ip_rx_err_out_udp : std_logic_vector (3 downto 0);
|
172 |
|
|
signal s_ip_tx_err_out_udp : std_logic_vector (3 downto 0);
|
173 |
|
|
signal s_arp_rx_err_out_udp : std_logic_vector (3 downto 0);
|
174 |
|
|
|
175 |
|
|
-------- for transfer Tx data from UDP to IP layer---------------
|
176 |
|
|
signal s_ip_tx_start : std_logic;
|
177 |
|
|
signal s_ip_tx_rdy : std_logic;
|
178 |
|
|
signal s_ip_tx_din : std_logic_vector(7 downto 0);
|
179 |
|
|
|
180 |
|
|
-------- for transfer Tx header data from UDP to IP layer--------
|
181 |
|
|
signal s_ip_tx_src_ip : std_logic_vector(31 downto 0);
|
182 |
|
|
signal s_ip_tx_dst_ip : std_logic_vector(31 downto 0);
|
183 |
|
|
signal s_ip_tx_src_mac : std_logic_vector(47 downto 0);
|
184 |
|
|
signal s_ip_tx_data_len : std_logic_vector(15 downto 0);
|
185 |
|
|
signal s_ip_tx_protocol : std_logic_vector(7 downto 0);
|
186 |
|
|
-----------------------------------------------------------------
|
187 |
|
|
--======================================================================================================
|
188 |
|
|
|
189 |
|
|
|
190 |
|
|
|
191 |
|
|
--============================= IP Signals =============================================================
|
192 |
|
|
signal s_ip_mac_tx_tvalid : std_logic;
|
193 |
|
|
signal s_ip_mac_tx_tlast : std_logic;
|
194 |
|
|
signal s_ip_mac_tx_tdata : std_logic_vector(7 downto 0);
|
195 |
|
|
signal s_ip_mac_tx_req : std_logic;
|
196 |
|
|
signal s_ip_mac_tx_granted : std_logic;
|
197 |
|
|
|
198 |
|
|
signal s_arp_mac_tx_tvalid : std_logic;
|
199 |
|
|
signal s_arp_mac_tx_tlast : std_logic;
|
200 |
|
|
signal s_arp_mac_tx_tdata : std_logic_vector(7 downto 0);
|
201 |
|
|
signal s_arp_mac_tx_req : std_logic;
|
202 |
|
|
signal s_arp_mac_tx_granted : std_logic;
|
203 |
|
|
|
204 |
|
|
signal s_ping_mac_tx_tvalid : std_logic;
|
205 |
|
|
signal s_ping_mac_tx_tlast : std_logic;
|
206 |
|
|
signal s_ping_mac_tx_tdata : std_logic_vector(7 downto 0);
|
207 |
|
|
signal s_ping_mac_tx_req : std_logic;
|
208 |
|
|
signal s_ping_mac_tx_granted : std_logic;
|
209 |
|
|
|
210 |
|
|
signal s_lookup_req : std_logic;
|
211 |
|
|
signal s_lookup_ip : std_logic_vector(31 downto 0);
|
212 |
|
|
signal s_lookup_mac_addr : std_logic_vector(47 downto 0);
|
213 |
|
|
signal s_lookup_mac_got : std_logic;
|
214 |
|
|
signal s_lookup_mac_err : std_logic;
|
215 |
|
|
|
216 |
|
|
|
217 |
|
|
|
218 |
|
|
signal s_no_ping_packet : std_logic;
|
219 |
|
|
signal s_ip_rx_err_out : std_logic_vector(3 downto 0);
|
220 |
|
|
--======================================================================================================
|
221 |
|
|
|
222 |
|
|
|
223 |
|
|
|
224 |
|
|
|
225 |
|
|
|
226 |
|
|
|
227 |
|
|
|
228 |
|
|
|
229 |
|
|
|
230 |
|
|
|
231 |
|
|
|
232 |
|
|
|
233 |
|
|
--============================= IP4_TX Signals ==========================================================
|
234 |
|
|
type t_tx_ip_state_type is (IDLE,WAIT_MAC_ADDR,WAIT_CHN,SEND_DATA);
|
235 |
|
|
type t_crc_state_type is (IDLE, TOT_LEN, ID, FLAGS, TTL, CKS, SAH, SAL, DAH, DAL, ADDOVF, FINAL, WAIT_END);
|
236 |
|
|
signal st_crc_state : t_crc_state_type:=IDLE;
|
237 |
|
|
signal s_tx_hdr_cks : std_logic_vector (23 downto 0):=(others=>'0');
|
238 |
|
|
signal s_cal_cheksum : std_logic:='0';
|
239 |
|
|
|
240 |
|
|
|
241 |
|
|
signal st_tx_ip_state : t_tx_ip_state_type:=IDLE;
|
242 |
|
|
signal s_cnt_ip_tx : std_logic_vector (15 downto 0):=(others=>'0');
|
243 |
|
|
signal s_dst_mac_addr : std_logic_vector (47 downto 0); -- arp block updats this signal
|
244 |
|
|
signal s_total_length : std_logic_vector (15 downto 0); -- s_total_length is i_data_length+20(ip header)
|
245 |
|
|
|
246 |
|
|
signal s_ip_header : std_logic_vector (7 downto 0):=(others=>'0');
|
247 |
|
|
--========================================================================================================
|
248 |
|
|
|
249 |
|
|
|
250 |
|
|
|
251 |
|
|
|
252 |
|
|
|
253 |
|
|
|
254 |
|
|
|
255 |
|
|
|
256 |
|
|
|
257 |
|
|
|
258 |
|
|
--============================ IP4_RX Signals============================================================
|
259 |
|
|
type t_rx_ip_state_type is (IDLE,ETH_H,IP_H,USER_DATA,WAIT_END);
|
260 |
|
|
signal st_RX_IP_STATE : t_rx_ip_state_type:=IDLE;
|
261 |
|
|
signal s_cnt_ip_rx : std_logic_vector (15 downto 0):=x"0001";
|
262 |
|
|
|
263 |
|
|
signal s_src_ip_ip_rx : std_logic_vector (31 downto 0):=(others=>'0');
|
264 |
|
|
signal s_dst_ip_ip_rx : std_logic_vector (31 downto 0):=(others=>'0');
|
265 |
|
|
signal s_data_len_ip_rx : std_logic_vector (15 downto 0):=(others=>'0');
|
266 |
|
|
signal s_protocol_ip_rx : std_logic_vector (7 downto 0) :=(others=>'0');
|
267 |
|
|
signal s_broadcast_ip_rx : std_logic;
|
268 |
|
|
--========================================================================================================
|
269 |
|
|
|
270 |
|
|
|
271 |
|
|
|
272 |
|
|
|
273 |
|
|
|
274 |
|
|
|
275 |
|
|
|
276 |
|
|
|
277 |
|
|
|
278 |
|
|
|
279 |
|
|
|
280 |
|
|
--==================================== ARP Signals ==========================================================
|
281 |
|
|
type t_arp_state_type is (IDLE,LOOK_UP,WAIT_PC_REPLY);
|
282 |
|
|
signal st_ARP_STATE : t_arp_state_type:=IDLE;
|
283 |
|
|
signal s_timeout_wait_reply_cnt : std_logic_vector(31 downto 0):=(others=>'0');
|
284 |
|
|
signal s_error_cnt : std_logic_vector(3 downto 0):=(others=>'0');
|
285 |
|
|
|
286 |
|
|
--ARP_TX Signals
|
287 |
|
|
signal s_dst_ip_addr_pc : std_logic_vector(31 downto 0):=(others=>'0');
|
288 |
|
|
signal s_dst_mac_addr_pc : std_logic_vector(47 downto 0):=(others=>'0');
|
289 |
|
|
signal s_dst_ip_addr_lookup : std_logic_vector(31 downto 0):=(others=>'0');
|
290 |
|
|
signal s_fpga_req_tx : std_logic:='0';
|
291 |
|
|
signal s_pc_req_tx : std_logic:='0';
|
292 |
|
|
|
293 |
|
|
|
294 |
|
|
--ARP_RX Signals
|
295 |
|
|
signal s_ip_addr0 : std_logic_vector(31 downto 0);
|
296 |
|
|
signal s_mac_addr0 : std_logic_vector(47 downto 0);
|
297 |
|
|
signal s_addr_valid0 : std_logic;
|
298 |
|
|
signal s_pc_reply_rx : std_logic;
|
299 |
|
|
signal s_pc_req_rx : std_logic;
|
300 |
|
|
--===========================================================================================================
|
301 |
|
|
|
302 |
|
|
|
303 |
|
|
|
304 |
|
|
|
305 |
|
|
|
306 |
|
|
|
307 |
|
|
|
308 |
|
|
|
309 |
|
|
|
310 |
|
|
|
311 |
|
|
|
312 |
|
|
--=============================== ARP RX Signals ============================================================
|
313 |
|
|
type t_rx_arp_state_type is (IDLE,ETH_H,ARP_DATA,WAIT_END);
|
314 |
|
|
signal st_RX_ARP_STATE : t_rx_arp_state_type:=IDLE;
|
315 |
|
|
signal s_cnt_arp_rx : std_logic_vector (15 downto 0):=x"0001";
|
316 |
|
|
|
317 |
|
|
|
318 |
|
|
signal s_dst_ip : std_logic_vector (31 downto 0):=(others=>'0');
|
319 |
|
|
signal s_operation : std_logic_vector (15 downto 0):=(others=>'0');
|
320 |
|
|
signal s_addr_valid : std_logic:='0';
|
321 |
|
|
signal s_pc_req : std_logic:='0';
|
322 |
|
|
signal s_pc_reply : std_logic:='0';
|
323 |
|
|
|
324 |
|
|
|
325 |
|
|
signal s_src_mac_arp_rx : std_logic_vector (47 downto 0):=(others=>'0');
|
326 |
|
|
signal s_src_ip_arp_rx : std_logic_vector (31 downto 0):=(others=>'0');
|
327 |
|
|
signal s_addr_valid_pulse : std_logic:='0';
|
328 |
|
|
signal s_pc_req_pulse : std_logic:='0';
|
329 |
|
|
signal s_pc_reply_pulse : std_logic:='0';
|
330 |
|
|
signal s_trans_data_pulse : std_logic:='0';
|
331 |
|
|
--===========================================================================================================
|
332 |
|
|
|
333 |
|
|
|
334 |
|
|
|
335 |
|
|
|
336 |
|
|
|
337 |
|
|
|
338 |
|
|
|
339 |
|
|
|
340 |
|
|
|
341 |
|
|
|
342 |
|
|
|
343 |
|
|
|
344 |
|
|
--=================================== ARP LOOKUP_TABLE Signals ==============================================
|
345 |
|
|
signal s_timeout_lookup_table_cnt : std_logic_vector(31 downto 0):=(others=>'0');
|
346 |
|
|
|
347 |
|
|
signal s_din : std_logic_vector(82 downto 0):=(others=>'0');
|
348 |
|
|
signal s_wr_en : std_logic;
|
349 |
|
|
signal s_dout : std_logic_vector(82 downto 0):=(others=>'0');
|
350 |
|
|
signal s_valid : std_logic;
|
351 |
|
|
signal s_empty : std_logic;
|
352 |
|
|
signal s_notempty : std_logic;
|
353 |
|
|
|
354 |
|
|
|
355 |
|
|
signal s_mac_addr_out : std_logic_vector(47 downto 0):=(others=>'0');
|
356 |
|
|
signal s_ip_addr_out : std_logic_vector(31 downto 0):=(others=>'0');
|
357 |
|
|
signal s_addr_valid_out : std_logic:='0';
|
358 |
|
|
signal s_request_out : std_logic:='0';
|
359 |
|
|
signal s_reply_out : std_logic:='0';
|
360 |
|
|
--============================================================================================================
|
361 |
|
|
|
362 |
|
|
|
363 |
|
|
|
364 |
|
|
|
365 |
|
|
|
366 |
|
|
|
367 |
|
|
|
368 |
|
|
|
369 |
|
|
|
370 |
|
|
|
371 |
|
|
|
372 |
|
|
--============================ ARP TX Signals ================================================================
|
373 |
|
|
type t_arp_tx_state_type is (IDLE,WAIT_CHN,SEND_DATA);
|
374 |
|
|
signal st_tx_arp_state : t_arp_tx_state_type:=IDLE;
|
375 |
|
|
signal s_cnt_arp_tx : std_logic_vector (7 downto 0):=(others=>'0');
|
376 |
|
|
signal s_arp_type : std_logic_vector (15 downto 0):=(others=>'0');
|
377 |
|
|
signal s_dst_ip_addr : std_logic_vector (31 downto 0):=(others=>'0');
|
378 |
|
|
signal s_dst_mac_addr1 : std_logic_vector (47 downto 0):=(others=>'0');
|
379 |
|
|
signal s_dst_mac_addr2 : std_logic_vector (47 downto 0):=(others=>'0');
|
380 |
|
|
--============================================================================================================
|
381 |
|
|
|
382 |
|
|
|
383 |
|
|
|
384 |
|
|
|
385 |
|
|
|
386 |
|
|
|
387 |
|
|
|
388 |
|
|
|
389 |
|
|
|
390 |
|
|
|
391 |
|
|
|
392 |
|
|
|
393 |
|
|
--============================== PING Signals =================================================================
|
394 |
|
|
--for Delayed Inputs
|
395 |
|
|
signal s_mac_data_in_r : std_logic_vector (7 downto 0);
|
396 |
|
|
signal s_mac_data_in_valid_r : std_logic;
|
397 |
|
|
signal s_mac_data_in_last_r : std_logic;
|
398 |
|
|
|
399 |
|
|
|
400 |
|
|
--Sync_fifo_ping Signals
|
401 |
|
|
signal s_ip_rx_in : std_logic_vector(14 downto 0);
|
402 |
|
|
signal s_ip_rx_out : std_logic_vector(14 downto 0):=(others=>'0');
|
403 |
|
|
signal s_mac_data_in : std_logic_vector(7 downto 0);
|
404 |
|
|
signal s_mac_data_in_valid : std_logic;
|
405 |
|
|
signal s_mac_data_in_last : std_logic;
|
406 |
|
|
signal s_mac_data_in_last_d : std_logic;
|
407 |
|
|
signal s_ip_rx_err_in : std_logic_vector(3 downto 0);
|
408 |
|
|
signal s_no_ping_data : std_logic;
|
409 |
|
|
signal s_empty_sync_fifo : std_logic:='0';
|
410 |
|
|
signal s_not_empty_sync_fifo: std_logic;
|
411 |
|
|
|
412 |
|
|
|
413 |
|
|
--Data_fifo_ping Signals
|
414 |
|
|
signal s_rst_fifo_ping : std_logic:='1';
|
415 |
|
|
signal s_wr_en_fifo_ping : std_logic:='0';
|
416 |
|
|
signal s_din_fifo_ping : std_logic_vector(7 downto 0):=(others=>'0');
|
417 |
|
|
signal s_rd_en_fifo_ping : std_logic;
|
418 |
|
|
signal s_dout_fifo_ping : std_logic_vector(7 downto 0);
|
419 |
|
|
|
420 |
|
|
|
421 |
|
|
--Checksum Signals
|
422 |
|
|
signal s_checksum_data_out : std_logic_vector(15 downto 0);
|
423 |
|
|
signal s_checksum_data_in : std_logic_vector(7 downto 0);
|
424 |
|
|
signal s_checksum_start_calc : std_logic:='0';
|
425 |
|
|
signal s_checksum_stop_calc : std_logic:='0';
|
426 |
|
|
|
427 |
|
|
|
428 |
|
|
--st_PING_STATE Machine Process Signals
|
429 |
|
|
type t_ping_state is (IDLE,ACQUIRE_DATA,WAIT_END,WAIT_CHN,SEND_DATA);
|
430 |
|
|
signal st_PING_STATE : t_ping_state:=IDLE;
|
431 |
|
|
signal s_wr_cnt : std_logic_vector(7 downto 0):=(others=>'0');
|
432 |
|
|
signal s_rd_cnt : std_logic_vector(7 downto 0):=(others=>'0');
|
433 |
|
|
signal s_start_send : std_logic;
|
434 |
|
|
|
435 |
|
|
|
436 |
|
|
signal s_src_mac_ping : std_logic_vector(47 downto 0):=(others=>'0');
|
437 |
|
|
signal s_dst_mac_ping : std_logic_vector(47 downto 0):=(others=>'0');
|
438 |
|
|
signal s_src_ip_ping : std_logic_vector(31 downto 0):=(others=>'0');
|
439 |
|
|
signal s_dst_ip_ping : std_logic_vector(31 downto 0):=(others=>'0');
|
440 |
|
|
--=================================================================================================================
|
441 |
|
|
|
442 |
|
|
|
443 |
|
|
|
444 |
|
|
|
445 |
|
|
|
446 |
|
|
|
447 |
|
|
|
448 |
|
|
|
449 |
|
|
|
450 |
|
|
|
451 |
|
|
|
452 |
|
|
|
453 |
|
|
--================================= Ping Checksum Calc Signals ====================================================
|
454 |
|
|
type t_checksum_state is (IDLE,CALC);
|
455 |
|
|
signal st_checksum_state : t_checksum_state:=IDLE;
|
456 |
|
|
|
457 |
|
|
signal s_flag : std_logic:='0';
|
458 |
|
|
signal s_din_r : std_logic_vector(7 downto 0);
|
459 |
|
|
signal s_sum : std_logic_vector(31 downto 0):=(others=>'0');
|
460 |
|
|
--=================================================================================================================
|
461 |
|
|
|
462 |
|
|
|
463 |
|
|
|
464 |
|
|
|
465 |
|
|
|
466 |
|
|
|
467 |
|
|
|
468 |
|
|
|
469 |
|
|
|
470 |
|
|
|
471 |
|
|
|
472 |
|
|
--============================ TX_Arbitior Signals =====================================================================
|
473 |
|
|
type t_state_type is (IDLE,DATA_REQ,ARP_REQ,PING_REQ);
|
474 |
|
|
signal st_STATE : t_state_type:=IDLE;
|
475 |
|
|
--======================================================================================================================
|
476 |
|
|
|
477 |
|
|
|
478 |
|
|
|
479 |
|
|
|
480 |
|
|
|
481 |
|
|
|
482 |
|
|
|
483 |
|
|
|
484 |
|
|
|
485 |
|
|
|
486 |
|
|
|
487 |
|
|
|
488 |
|
|
--============================ UDP RX Signals ===========================================================================
|
489 |
|
|
type t_rx_udp_state_type is (IDLE, UDP_HDR, USER_DATA, WAIT_END);
|
490 |
|
|
signal st_RX_UDP_STATE : t_rx_udp_state_type:=IDLE;
|
491 |
|
|
signal s_cnt_udp_rx : std_logic_vector (15 downto 0):=x"0001";
|
492 |
|
|
|
493 |
|
|
signal s_src_ip_udp_rx : std_logic_vector (31 downto 0):=(others=>'0');
|
494 |
|
|
signal s_src_port : std_logic_vector (15 downto 0):=(others=>'0');
|
495 |
|
|
signal s_dst_port : std_logic_vector (15 downto 0):=(others=>'0');
|
496 |
|
|
signal s_data_len_udp_rx : std_logic_vector (15 downto 0):=(others=>'0');
|
497 |
|
|
signal s_err_out : std_logic_vector (3 downto 0) :=(others=>'0');
|
498 |
|
|
--=======================================================================================================================
|
499 |
|
|
|
500 |
|
|
|
501 |
|
|
|
502 |
|
|
|
503 |
|
|
|
504 |
|
|
|
505 |
|
|
|
506 |
|
|
|
507 |
|
|
|
508 |
|
|
|
509 |
|
|
|
510 |
|
|
--============================ UDP TX Signals =============================================================================
|
511 |
|
|
type t_tx_udp_state_type is (IDLE,SEND_DATA);
|
512 |
|
|
signal st_tx_udp_state : t_tx_udp_state_type:=IDLE;
|
513 |
|
|
|
514 |
|
|
signal s_cnt_udp_tx : std_logic_vector (15 downto 0):=(others=>'0');
|
515 |
|
|
signal s_ip_data_len : std_logic_vector (15 downto 0);
|
516 |
|
|
signal s_udp_header : std_logic_vector (7 downto 0):=(others=>'0');
|
517 |
|
|
--==========================================================================================================================
|
518 |
|
|
|
519 |
|
|
|
520 |
|
|
|
521 |
|
|
|
522 |
|
|
|
523 |
|
|
|
524 |
|
|
|
525 |
|
|
|
526 |
|
|
|
527 |
|
|
|
528 |
|
|
|
529 |
|
|
--============================ PHY_Interface Signals =======================================================================
|
530 |
|
|
signal s_gmii_col_reg : std_logic;
|
531 |
|
|
signal s_gmii_col_reg_reg : std_logic;
|
532 |
|
|
signal s_gmii_rx_clk : std_logic;
|
533 |
|
|
--==========================================================================================================================
|
534 |
|
|
|
535 |
|
|
|
536 |
|
|
|
537 |
|
|
|
538 |
|
|
|
539 |
|
|
|
540 |
|
|
|
541 |
|
|
|
542 |
|
|
|
543 |
|
|
|
544 |
|
|
|
545 |
|
|
--=========================== Ping_Pong Fifo Signals =======================================================================
|
546 |
|
|
signal s_empty1 : std_logic;
|
547 |
|
|
signal s_empty2 : std_logic;
|
548 |
|
|
signal s_notempty1 : std_logic;
|
549 |
|
|
signal s_notempty2 : std_logic;
|
550 |
|
|
|
551 |
|
|
|
552 |
|
|
signal s_data_m : std_logic_vector(7 downto 0);
|
553 |
|
|
signal s_valid_m : std_logic;
|
554 |
|
|
signal s_last_m : std_logic;
|
555 |
|
|
|
556 |
|
|
|
557 |
|
|
signal s_wr_en_a : std_logic:='0';
|
558 |
|
|
signal s_din_a : std_logic_vector(7 downto 0):=(others=>'0');
|
559 |
|
|
signal s_rd_en_a : std_logic;
|
560 |
|
|
signal s_dout_a : std_logic_vector(7 downto 0);
|
561 |
|
|
signal s_valid_a : std_logic;
|
562 |
|
|
signal s_empty_a : std_logic;
|
563 |
|
|
|
564 |
|
|
signal s_wr_en_b : std_logic:='0';
|
565 |
|
|
signal s_din_b : std_logic_vector(7 downto 0):=(others=>'0');
|
566 |
|
|
signal s_rd_en_b : std_logic;
|
567 |
|
|
signal s_dout_b : std_logic_vector(7 downto 0);
|
568 |
|
|
signal s_valid_b : std_logic;
|
569 |
|
|
signal s_empty_b : std_logic;
|
570 |
|
|
|
571 |
|
|
|
572 |
|
|
signal s_cnt_a : std_logic_vector(15 downto 0):=(others=>'0');
|
573 |
|
|
signal s_cnt_b : std_logic_vector(15 downto 0):=(others=>'0');
|
574 |
|
|
signal s_rd_cnt_a : std_logic_vector(15 downto 0):=(others=>'0');
|
575 |
|
|
signal s_rd_cnt_b : std_logic_vector(15 downto 0):=(others=>'0');
|
576 |
|
|
|
577 |
|
|
signal s_busy_a : std_logic:='0';
|
578 |
|
|
signal s_busy_b : std_logic:='0';
|
579 |
|
|
|
580 |
|
|
signal s_last_a : std_logic:='0';
|
581 |
|
|
signal s_last_b : std_logic:='0';
|
582 |
|
|
|
583 |
|
|
signal s_dout_len : std_logic_vector(15 downto 0);
|
584 |
|
|
|
585 |
|
|
type t_pingpong_state is (wait_data,rd_fifo_a,rd_fifo_b);
|
586 |
|
|
signal st_ping_pong_state : t_pingpong_state:=wait_data;
|
587 |
|
|
|
588 |
|
|
signal s_ip_rx_fragmantation : std_logic_vector(15 downto 0);
|
589 |
|
|
--=========================================================================================================================
|
590 |
|
|
|
591 |
|
|
|
592 |
|
|
|
593 |
|
|
|
594 |
|
|
--=============================== IP ========================================================
|
595 |
|
|
component IP_ARP_PING
|
596 |
|
|
generic (
|
597 |
|
|
g_TIME_OUT_LOOKUP_TABLE_ARP : std_logic_vector(31 downto 0):= x"9502F900"; --20S
|
598 |
|
|
g_TIME_OUT_WAIT_FOR_ARP_REPLY : std_logic_vector(31 downto 0):= x"07735940"; --1S
|
599 |
|
|
g_RE_SEND_ARP_REQUEST : std_logic_vector(3 downto 0):= x"A"; --10
|
600 |
|
|
g_GENERATE_PING_MODULE : boolean := true;
|
601 |
|
|
g_GENERATE_ARP_MODULE : boolean := true;
|
602 |
|
|
g_DEFAULT_DST_MAC_ADDR : std_logic_vector (47 downto 0) := x"AABBCCDDEEFF"
|
603 |
|
|
);
|
604 |
|
|
port(
|
605 |
|
|
i_rx_clk : in std_logic;
|
606 |
|
|
i_tx_clk : in std_logic;
|
607 |
|
|
i_reset : in std_logic;
|
608 |
|
|
|
609 |
|
|
--******************************* TX ***************************************
|
610 |
|
|
-- Tx header construction
|
611 |
|
|
i_ip_tx_src_ip : in std_logic_vector (31 downto 0);
|
612 |
|
|
i_ip_tx_dst_ip : in std_logic_vector (31 downto 0);
|
613 |
|
|
i_ip_tx_data_len : in std_logic_vector (15 downto 0);
|
614 |
|
|
i_ip_tx_protocol : in std_logic_vector (7 downto 0);
|
615 |
|
|
i_ip_tx_src_mac : in std_logic_vector (47 downto 0);
|
616 |
|
|
i_ip_tx_fragmantation : in std_logic_vector(15 downto 0);
|
617 |
|
|
|
618 |
|
|
-- TX Inputs
|
619 |
|
|
i_ip_tx_start : in std_logic;
|
620 |
|
|
o_ip_tx_rdy : out std_logic;
|
621 |
|
|
i_ip_tx_din : in std_logic_vector (7 downto 0);
|
622 |
|
|
|
623 |
|
|
-- TX Outputs
|
624 |
|
|
i_mac_tx_tready : in std_logic;
|
625 |
|
|
o_mac_tx_tdata : out std_logic_vector(7 downto 0);
|
626 |
|
|
o_mac_tx_tvalid : out std_logic;
|
627 |
|
|
o_mac_tx_tlast : out std_logic;
|
628 |
|
|
|
629 |
|
|
-- Error Status
|
630 |
|
|
o_ip_tx_err_out : out std_logic_vector (3 downto 0);
|
631 |
|
|
o_lookup_mac_err : out std_logic;
|
632 |
|
|
--******************************* RX ***************************************
|
633 |
|
|
|
634 |
|
|
--RX Inputs
|
635 |
|
|
i_mac_rx_tdata : in std_logic_vector(7 downto 0);
|
636 |
|
|
i_mac_rx_tvalid : in std_logic;
|
637 |
|
|
i_mac_rx_tlast : in std_logic;
|
638 |
|
|
|
639 |
|
|
--RX Outputs
|
640 |
|
|
o_ip_rx_dout : out std_logic_vector(7 downto 0);
|
641 |
|
|
o_ip_rx_dout_rdy : out std_logic;
|
642 |
|
|
o_ip_rx_dout_last : out std_logic;
|
643 |
|
|
|
644 |
|
|
|
645 |
|
|
--RX Status Outputs
|
646 |
|
|
o_ip_rx_src_ip : out std_logic_vector(31 downto 0);
|
647 |
|
|
o_ip_rx_dst_ip : out std_logic_vector(31 downto 0);
|
648 |
|
|
o_ip_rx_data_len : out std_logic_vector(15 downto 0);
|
649 |
|
|
o_ip_rx_protocol : out std_logic_vector(7 downto 0);
|
650 |
|
|
o_ip_rx_broadcast : out std_logic;
|
651 |
|
|
o_ip_rx_fragmantation : out std_logic_vector(15 downto 0);
|
652 |
|
|
-- Error Status
|
653 |
|
|
o_ip_rx_err_out : out std_logic_vector (3 downto 0);
|
654 |
|
|
o_arp_rx_err_out : out std_logic_vector (3 downto 0)
|
655 |
|
|
|
656 |
|
|
);
|
657 |
|
|
end component;
|
658 |
|
|
--============================================================================================
|
659 |
|
|
|
660 |
|
|
|
661 |
|
|
|
662 |
|
|
|
663 |
|
|
|
664 |
|
|
|
665 |
|
|
|
666 |
|
|
|
667 |
|
|
|
668 |
|
|
|
669 |
|
|
|
670 |
|
|
--====================================== udp RX ==============================================
|
671 |
|
|
component udp_RX
|
672 |
|
|
port (
|
673 |
|
|
|
674 |
|
|
-- system signals
|
675 |
|
|
i_rx_clk : in std_logic;
|
676 |
|
|
i_reset : in std_logic;
|
677 |
|
|
|
678 |
|
|
-- IP layer RX inputs
|
679 |
|
|
i_ip_data_in : in std_logic_vector (7 downto 0);
|
680 |
|
|
i_ip_data_in_valid : in std_logic;
|
681 |
|
|
i_ip_data_in_last : in std_logic;
|
682 |
|
|
i_ip_protocol : in std_logic_vector (7 downto 0);
|
683 |
|
|
i_ip_src_ip : in std_logic_vector (31 downto 0);
|
684 |
|
|
i_fragmantation : in std_logic_vector (15 downto 0);
|
685 |
|
|
|
686 |
|
|
-- Outputs
|
687 |
|
|
o_udp_dout : out std_logic_vector(7 downto 0);
|
688 |
|
|
o_udp_dout_rdy : out std_logic;
|
689 |
|
|
o_udp_dout_last : out std_logic;
|
690 |
|
|
|
691 |
|
|
|
692 |
|
|
|
693 |
|
|
o_src_ip : out std_logic_vector(31 downto 0);
|
694 |
|
|
o_src_port : out std_logic_vector(15 downto 0);
|
695 |
|
|
o_dst_port : out std_logic_vector(15 downto 0);
|
696 |
|
|
o_data_len : out std_logic_vector(15 downto 0);
|
697 |
|
|
o_err_out : out std_logic_vector(3 downto 0)
|
698 |
|
|
|
699 |
|
|
);
|
700 |
|
|
|
701 |
|
|
end component;
|
702 |
|
|
--=============================================================================================
|
703 |
|
|
|
704 |
|
|
|
705 |
|
|
|
706 |
|
|
|
707 |
|
|
|
708 |
|
|
|
709 |
|
|
|
710 |
|
|
|
711 |
|
|
|
712 |
|
|
|
713 |
|
|
|
714 |
|
|
--================================= udp TX =====================================================
|
715 |
|
|
component udp_TX
|
716 |
|
|
port (
|
717 |
|
|
|
718 |
|
|
i_tx_clk : in std_logic;
|
719 |
|
|
i_reset : in std_logic;
|
720 |
|
|
|
721 |
|
|
----------------for IP header-----------------------------
|
722 |
|
|
i_udp_src_ip : in std_logic_vector (31 downto 0);
|
723 |
|
|
i_udp_dst_ip : in std_logic_vector (31 downto 0);
|
724 |
|
|
i_udp_src_mac : in std_logic_vector (47 downto 0);
|
725 |
|
|
i_udp_data_len : in std_logic_vector (15 downto 0); --application data length
|
726 |
|
|
i_udp_protocol : in std_logic_vector (7 downto 0); --udp protocol, is x"11"
|
727 |
|
|
i_fragmantation : in std_logic_vector(15 downto 0);
|
728 |
|
|
i_fragment_len : in std_logic_vector(16 - 1 downto 0):=x"4000";
|
729 |
|
|
----------------for udp header-----------------------------
|
730 |
|
|
i_udp_checksum : in std_logic_vector (15 downto 0); -- is x"00"
|
731 |
|
|
i_udp_src_port : in std_logic_vector (15 downto 0);
|
732 |
|
|
i_udp_dst_port : in std_logic_vector (15 downto 0);
|
733 |
|
|
|
734 |
|
|
|
735 |
|
|
----------------udp Data Path-----------------------------
|
736 |
|
|
i_udp_start : in std_logic;
|
737 |
|
|
o_udp_ready : out std_logic;
|
738 |
|
|
i_udp_din : in std_logic_vector (7 downto 0);
|
739 |
|
|
|
740 |
|
|
-----------------IP Data Path-----------------------------
|
741 |
|
|
o_ip_start : out std_logic;
|
742 |
|
|
i_ip_ready : in std_logic;
|
743 |
|
|
o_ip_dout : out std_logic_vector (7 downto 0);
|
744 |
|
|
|
745 |
|
|
----------------for IP header-----------------------------
|
746 |
|
|
o_ip_src_ip : out std_logic_vector (31 downto 0);
|
747 |
|
|
o_ip_dst_ip : out std_logic_vector (31 downto 0);
|
748 |
|
|
o_ip_src_mac : out std_logic_vector (47 downto 0);
|
749 |
|
|
o_ip_data_len : out std_logic_vector (15 downto 0);
|
750 |
|
|
o_ip_protocol : out std_logic_vector (7 downto 0);
|
751 |
|
|
----------------Error Status-------------------------------
|
752 |
|
|
o_err_out : out std_logic_vector (3 downto 0)
|
753 |
|
|
|
754 |
|
|
);
|
755 |
|
|
end component;
|
756 |
|
|
--=========================================================================================
|
757 |
|
|
|
758 |
|
|
|
759 |
|
|
|
760 |
|
|
begin
|
761 |
|
|
|
762 |
|
|
o_ip_rx_fragmantation <= s_ip_rx_fragmantation;
|
763 |
|
|
|
764 |
|
|
-- o_ip_rx_src_ip <= s_ip_rx_src_ip;
|
765 |
|
|
o_ip_rx_dst_ip <= s_ip_rx_dst_ip;
|
766 |
|
|
o_ip_rx_data_len <= s_ip_rx_data_len;
|
767 |
|
|
o_ip_rx_protocol <= s_ip_rx_protocol;
|
768 |
|
|
-- o_ip_rx_broadcast <= s_ip_rx_broadcast;
|
769 |
|
|
o_ip_rx_err_out <= s_ip_rx_err_out_udp;
|
770 |
|
|
o_ip_tx_err_out <= s_ip_tx_err_out_udp;
|
771 |
|
|
o_arp_rx_err_out <= s_arp_rx_err_out_udp;
|
772 |
|
|
|
773 |
|
|
o_arp_addr_valid <= not s_arp_rx_err_out_udp(0);
|
774 |
|
|
|
775 |
|
|
|
776 |
|
|
|
777 |
|
|
|
778 |
|
|
|
779 |
|
|
|
780 |
|
|
--========================== IP ================================================
|
781 |
|
|
inst_IP_ARP_PING : IP_ARP_PING
|
782 |
|
|
generic map(
|
783 |
|
|
g_TIME_OUT_LOOKUP_TABLE_ARP => g_TIME_OUT_LOOKUP_TABLE_ARP,
|
784 |
|
|
g_TIME_OUT_WAIT_FOR_ARP_REPLY => g_TIME_OUT_WAIT_FOR_ARP_REPLY,
|
785 |
|
|
g_RE_SEND_ARP_REQUEST => g_RE_SEND_ARP_REQUEST,
|
786 |
|
|
g_GENERATE_PING_MODULE => g_GENERATE_PING_MODULE,
|
787 |
|
|
g_GENERATE_ARP_MODULE => g_GENERATE_ARP_MODULE,
|
788 |
|
|
g_DEFAULT_DST_MAC_ADDR => g_DEFAULT_DST_MAC_ADDR
|
789 |
|
|
)
|
790 |
|
|
port map(
|
791 |
|
|
|
792 |
|
|
i_rx_clk => i_rx_clk,
|
793 |
|
|
i_tx_clk => i_tx_clk,
|
794 |
|
|
i_reset => i_reset_rx,
|
795 |
|
|
|
796 |
|
|
--******************************* TX ***************************************
|
797 |
|
|
-- Tx header construction
|
798 |
|
|
i_ip_tx_src_ip => s_ip_tx_src_ip,
|
799 |
|
|
i_ip_tx_dst_ip => s_ip_tx_dst_ip,
|
800 |
|
|
i_ip_tx_data_len => s_ip_tx_data_len,
|
801 |
|
|
i_ip_tx_protocol => s_ip_tx_protocol,
|
802 |
|
|
i_ip_tx_src_mac => s_ip_tx_src_mac,
|
803 |
|
|
o_ip_rx_fragmantation => s_ip_rx_fragmantation,
|
804 |
|
|
|
805 |
|
|
-- TX Inputs
|
806 |
|
|
i_ip_tx_start => s_ip_tx_start,
|
807 |
|
|
o_ip_tx_rdy => s_ip_tx_rdy,
|
808 |
|
|
i_ip_tx_din => s_ip_tx_din,
|
809 |
|
|
|
810 |
|
|
-- TX Outputs
|
811 |
|
|
i_mac_tx_tready => i_mac_tx_tready,
|
812 |
|
|
o_mac_tx_tdata => o_mac_tx_tdata,
|
813 |
|
|
o_mac_tx_tvalid => o_mac_tx_tvalid,
|
814 |
|
|
o_mac_tx_tlast => o_mac_tx_tlast,
|
815 |
|
|
|
816 |
|
|
o_lookup_mac_err => o_lookup_mac_err,
|
817 |
|
|
|
818 |
|
|
|
819 |
|
|
--********************** RX ***************************************
|
820 |
|
|
--RX Inputs
|
821 |
|
|
i_mac_rx_tdata => i_mac_rx_tdata,
|
822 |
|
|
i_mac_rx_tvalid => i_mac_rx_tvalid,
|
823 |
|
|
i_mac_rx_tlast => i_mac_rx_tlast,
|
824 |
|
|
|
825 |
|
|
--RX Outputs
|
826 |
|
|
o_ip_rx_dout => s_ip_rx_dout,
|
827 |
|
|
o_ip_rx_dout_rdy => s_ip_rx_dout_rdy,
|
828 |
|
|
o_ip_rx_dout_last => s_ip_rx_dout_last,
|
829 |
|
|
|
830 |
|
|
--RX Status Outputs
|
831 |
|
|
o_ip_rx_src_ip => s_ip_rx_src_ip,
|
832 |
|
|
o_ip_rx_dst_ip => s_ip_rx_dst_ip,
|
833 |
|
|
o_ip_rx_data_len => s_ip_rx_data_len,
|
834 |
|
|
o_ip_rx_protocol => s_ip_rx_protocol,
|
835 |
|
|
o_ip_rx_broadcast => s_ip_rx_broadcast,
|
836 |
|
|
i_ip_tx_fragmantation => i_ip_tx_fragmantation,
|
837 |
|
|
|
838 |
|
|
-- Error Status
|
839 |
|
|
o_ip_rx_err_out => s_ip_rx_err_out_udp,
|
840 |
|
|
o_ip_tx_err_out => s_ip_tx_err_out_udp,
|
841 |
|
|
o_arp_rx_err_out => s_arp_rx_err_out_udp
|
842 |
|
|
|
843 |
|
|
);
|
844 |
|
|
|
845 |
|
|
--=========================================================================================
|
846 |
|
|
|
847 |
|
|
|
848 |
|
|
|
849 |
|
|
|
850 |
|
|
|
851 |
|
|
|
852 |
|
|
|
853 |
|
|
|
854 |
|
|
|
855 |
|
|
|
856 |
|
|
|
857 |
|
|
|
858 |
|
|
|
859 |
|
|
|
860 |
|
|
|
861 |
|
|
|
862 |
|
|
--============================ udp RX ====================================================
|
863 |
|
|
inst_udp_RX: udp_RX
|
864 |
|
|
port map (
|
865 |
|
|
|
866 |
|
|
-- system signals
|
867 |
|
|
i_rx_clk => i_rx_clk,
|
868 |
|
|
i_reset => i_reset_rx,
|
869 |
|
|
|
870 |
|
|
-- IP layer RX inputs
|
871 |
|
|
i_ip_data_in => s_ip_rx_dout,
|
872 |
|
|
i_ip_data_in_valid => s_ip_rx_dout_rdy,
|
873 |
|
|
i_ip_data_in_last => s_ip_rx_dout_last,
|
874 |
|
|
i_ip_protocol => s_ip_rx_protocol,
|
875 |
|
|
i_ip_src_ip => s_ip_rx_src_ip,
|
876 |
|
|
i_fragmantation => s_ip_rx_fragmantation,
|
877 |
|
|
|
878 |
|
|
-- Outputs
|
879 |
|
|
o_udp_dout => o_udp_rx_dout,
|
880 |
|
|
o_udp_dout_rdy => o_udp_rx_dout_rdy,
|
881 |
|
|
o_udp_dout_last => o_udp_rx_dout_last,
|
882 |
|
|
|
883 |
|
|
|
884 |
|
|
o_src_ip => o_udp_rx_src_ip,
|
885 |
|
|
o_src_port => o_udp_rx_src_port,
|
886 |
|
|
o_dst_port => o_udp_rx_dst_port,
|
887 |
|
|
o_data_len => o_udp_rx_data_len, -- zero
|
888 |
|
|
o_err_out => o_udp_rx_err_out
|
889 |
|
|
|
890 |
|
|
);
|
891 |
|
|
--=========================================================================================
|
892 |
|
|
|
893 |
|
|
|
894 |
|
|
|
895 |
|
|
|
896 |
|
|
|
897 |
|
|
|
898 |
|
|
|
899 |
|
|
|
900 |
|
|
|
901 |
|
|
|
902 |
|
|
|
903 |
|
|
|
904 |
|
|
|
905 |
|
|
|
906 |
|
|
|
907 |
|
|
--================================ udp TX ==================================================
|
908 |
|
|
inst_udp_TX: udp_TX
|
909 |
|
|
port map(
|
910 |
|
|
|
911 |
|
|
i_tx_clk => i_tx_clk,
|
912 |
|
|
i_reset => i_reset_tx,
|
913 |
|
|
|
914 |
|
|
------------udp & IP Header--------------
|
915 |
|
|
i_udp_src_ip => i_udp_tx_src_ip,
|
916 |
|
|
i_udp_dst_ip => i_udp_tx_dst_ip,
|
917 |
|
|
i_udp_src_mac => i_udp_tx_src_mac,
|
918 |
|
|
i_udp_data_len => i_udp_tx_data_len,
|
919 |
|
|
i_udp_protocol => i_udp_tx_protocol,
|
920 |
|
|
i_udp_checksum => i_udp_tx_checksum,
|
921 |
|
|
i_udp_src_port => i_udp_tx_src_port,
|
922 |
|
|
i_udp_dst_port => i_udp_tx_dst_port,
|
923 |
|
|
i_fragmantation => i_ip_tx_fragmantation,
|
924 |
|
|
i_fragment_len => i_fragment_len,
|
925 |
|
|
-------------udp Data Path---------------
|
926 |
|
|
i_udp_start => i_udp_tx_start,
|
927 |
|
|
o_udp_ready => o_udp_tx_ready,
|
928 |
|
|
i_udp_din => i_udp_tx_din,
|
929 |
|
|
|
930 |
|
|
-------------IP Data Path----------------
|
931 |
|
|
o_ip_start => s_ip_tx_start,
|
932 |
|
|
i_ip_ready => s_ip_tx_rdy,
|
933 |
|
|
o_ip_dout => s_ip_tx_din,
|
934 |
|
|
|
935 |
|
|
-------------IP Header Path--------------
|
936 |
|
|
o_ip_src_ip => s_ip_tx_src_ip,
|
937 |
|
|
o_ip_dst_ip => s_ip_tx_dst_ip,
|
938 |
|
|
o_ip_src_mac => s_ip_tx_src_mac,
|
939 |
|
|
o_ip_data_len => s_ip_tx_data_len,
|
940 |
|
|
o_ip_protocol => s_ip_tx_protocol,
|
941 |
|
|
-----------------------------------------
|
942 |
|
|
o_err_out => o_udp_tx_err_out
|
943 |
|
|
|
944 |
|
|
);
|
945 |
|
|
--=========================================================================================
|
946 |
|
|
|
947 |
|
|
|
948 |
|
|
|
949 |
|
|
end structural;
|