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Subversion Repositories udp_ip_stack

[/] [udp_ip_stack/] [trunk/] [contrib/] [from_tim/] [udp_ip_stack/] [tags/] [v1.0/] [rtl/] [vhdl/] [ipv4_types.vhd] - Blame information for rev 35

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--
--
--      Purpose: This package defines types for use in IPv4
 
 
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use work.axi.all;
 
package ipv4_types is
 
        --------------
        -- IPv4 TX --
        --------------
 
        -- coding for result in tx
        constant IPTX_RESULT_NONE               : std_logic_vector (1 downto 0) := "00";
        constant IPTX_RESULT_SENDING    : std_logic_vector (1 downto 0) := "01";
        constant IPTX_RESULT_ERR                : std_logic_vector (1 downto 0) := "10";
        constant IPTX_RESULT_SENT               : std_logic_vector (1 downto 0) := "11";
 
        type ipv4_tx_header_type is record
                protocol                                : std_logic_vector (7 downto 0);
                data_length                     : STD_LOGIC_VECTOR (15 downto 0);                -- user data size, bytes
                dst_ip_addr             : STD_LOGIC_VECTOR (31 downto 0);
        end record;
 
        type ipv4_tx_type is record
                hdr                             : ipv4_tx_header_type;                                          -- header to tx
                data                            : axi_out_type;                                                         -- tx axi bus
        end record;
 
 
        --------------
        -- IPv4 RX --
        --------------
 
        -- coding for last_error_code in rx hdr
        constant RX_EC_NONE             : std_logic_vector (3 downto 0) := x"0";
        constant RX_EC_ET_ETH   : std_logic_vector (3 downto 0) := x"1"; -- early termination in ETH hdr phase
        constant RX_EC_ET_IP    : std_logic_vector (3 downto 0) := x"2"; -- early termination in IP hdr phase
        constant RX_EC_ET_USER  : std_logic_vector (3 downto 0) := x"3"; -- early termination in USER DATA phase
 
        type ipv4_rx_header_type is record
                is_valid                                : std_logic;
                protocol                                : std_logic_vector (7 downto 0);
                data_length                     : STD_LOGIC_VECTOR (15 downto 0);        -- user data size, bytes
                src_ip_addr             : STD_LOGIC_VECTOR (31 downto 0);
                num_frame_errors        : std_logic_vector (7 downto 0);
                last_error_code : std_logic_vector (3 downto 0);         -- see RX_EC_xxx constants
        end record;
 
        type ipv4_rx_type is record
                hdr                             : ipv4_rx_header_type;                                          -- header received
                data                            : axi_in_type;                                                                  -- rx axi bus
        end record;
 
 
        ------------
        -- UDP TX --
        ------------
 
        -- coding for result in tx
        constant UDPTX_RESULT_NONE              : std_logic_vector (1 downto 0) := "00";
        constant UDPTX_RESULT_SENDING   : std_logic_vector (1 downto 0) := "01";
        constant UDPTX_RESULT_ERR                       : std_logic_vector (1 downto 0) := "10";
        constant UDPTX_RESULT_SENT              : std_logic_vector (1 downto 0) := "11";
 
        type udp_tx_header_type is record
                dst_ip_addr             : STD_LOGIC_VECTOR (31 downto 0);
                dst_port                                : STD_LOGIC_VECTOR (15 downto 0);
                src_port                                : STD_LOGIC_VECTOR (15 downto 0);
                data_length                     : STD_LOGIC_VECTOR (15 downto 0);        -- user data size, bytes
                checksum                                : STD_LOGIC_VECTOR (15 downto 0);
        end record;
 
 
        type udp_tx_type is record
                hdr                             : udp_tx_header_type;                                           -- header received
                data                            : axi_out_type;                                                         -- tx axi bus
        end record;
 
 
        ------------
        -- UDP RX --
        ------------
 
        type udp_rx_header_type is record
                is_valid                                : std_logic;
                src_ip_addr             : STD_LOGIC_VECTOR (31 downto 0);
                src_port                                : STD_LOGIC_VECTOR (15 downto 0);
                dst_port                                : STD_LOGIC_VECTOR (15 downto 0);
                data_length                     : STD_LOGIC_VECTOR (15 downto 0);        -- user data size, bytes
        end record;
 
 
        type udp_rx_type is record
                hdr                             : udp_rx_header_type;                                           -- header received
                data                            : axi_in_type;                                                                  -- rx axi bus
        end record;
 
        type udp_addr_type is record
                ip_addr                         : STD_LOGIC_VECTOR (31 downto 0);
                port_num                        : STD_LOGIC_VECTOR (15 downto 0);
        end record;
 
 
end ipv4_types;

Line No.	Rev	Author	Line
1	35	pjf	`--`
2			`--`
3			`-- Purpose: This package defines types for use in IPv4`
4
5
6			`library IEEE;`
7			`use IEEE.STD_LOGIC_1164.all;`
8			`use work.axi.all;`
9
10			`package ipv4_types is`
11
12			`--------------`
13			`-- IPv4 TX --`
14			`--------------`
15
16			`-- coding for result in tx`
17			`constant IPTX_RESULT_NONE : std_logic_vector (1 downto 0) := "00";`
18			`constant IPTX_RESULT_SENDING : std_logic_vector (1 downto 0) := "01";`
19			`constant IPTX_RESULT_ERR : std_logic_vector (1 downto 0) := "10";`
20			`constant IPTX_RESULT_SENT : std_logic_vector (1 downto 0) := "11";`
21
22			`type ipv4_tx_header_type is record`
23			`protocol : std_logic_vector (7 downto 0);`
24			`data_length : STD_LOGIC_VECTOR (15 downto 0); -- user data size, bytes`
25			`dst_ip_addr : STD_LOGIC_VECTOR (31 downto 0);`
26			`end record;`
27
28			`type ipv4_tx_type is record`
29			`hdr : ipv4_tx_header_type; -- header to tx`
30			`data : axi_out_type; -- tx axi bus`
31			`end record;`
32
33
34			`--------------`
35			`-- IPv4 RX --`
36			`--------------`
37
38			`-- coding for last_error_code in rx hdr`
39			`constant RX_EC_NONE : std_logic_vector (3 downto 0) := x"0";`
40			`constant RX_EC_ET_ETH : std_logic_vector (3 downto 0) := x"1"; -- early termination in ETH hdr phase`
41			`constant RX_EC_ET_IP : std_logic_vector (3 downto 0) := x"2"; -- early termination in IP hdr phase`
42			`constant RX_EC_ET_USER : std_logic_vector (3 downto 0) := x"3"; -- early termination in USER DATA phase`
43
44			`type ipv4_rx_header_type is record`
45			`is_valid : std_logic;`
46			`protocol : std_logic_vector (7 downto 0);`
47			`data_length : STD_LOGIC_VECTOR (15 downto 0); -- user data size, bytes`
48			`src_ip_addr : STD_LOGIC_VECTOR (31 downto 0);`
49			`num_frame_errors : std_logic_vector (7 downto 0);`
50			`last_error_code : std_logic_vector (3 downto 0); -- see RX_EC_xxx constants`
51			`end record;`
52
53			`type ipv4_rx_type is record`
54			`hdr : ipv4_rx_header_type; -- header received`
55			`data : axi_in_type; -- rx axi bus`
56			`end record;`
57
58
59			`------------`
60			`-- UDP TX --`
61			`------------`
62
63			`-- coding for result in tx`
64			`constant UDPTX_RESULT_NONE : std_logic_vector (1 downto 0) := "00";`
65			`constant UDPTX_RESULT_SENDING : std_logic_vector (1 downto 0) := "01";`
66			`constant UDPTX_RESULT_ERR : std_logic_vector (1 downto 0) := "10";`
67			`constant UDPTX_RESULT_SENT : std_logic_vector (1 downto 0) := "11";`
68
69			`type udp_tx_header_type is record`
70			`dst_ip_addr : STD_LOGIC_VECTOR (31 downto 0);`
71			`dst_port : STD_LOGIC_VECTOR (15 downto 0);`
72			`src_port : STD_LOGIC_VECTOR (15 downto 0);`
73			`data_length : STD_LOGIC_VECTOR (15 downto 0); -- user data size, bytes`
74			`checksum : STD_LOGIC_VECTOR (15 downto 0);`
75			`end record;`
76
77
78			`type udp_tx_type is record`
79			`hdr : udp_tx_header_type; -- header received`
80			`data : axi_out_type; -- tx axi bus`
81			`end record;`
82
83
84			`------------`
85			`-- UDP RX --`
86			`------------`
87
88			`type udp_rx_header_type is record`
89			`is_valid : std_logic;`
90			`src_ip_addr : STD_LOGIC_VECTOR (31 downto 0);`
91			`src_port : STD_LOGIC_VECTOR (15 downto 0);`
92			`dst_port : STD_LOGIC_VECTOR (15 downto 0);`
93			`data_length : STD_LOGIC_VECTOR (15 downto 0); -- user data size, bytes`
94			`end record;`
95
96
97			`type udp_rx_type is record`
98			`hdr : udp_rx_header_type; -- header received`
99			`data : axi_in_type; -- rx axi bus`
100			`end record;`
101
102			`type udp_addr_type is record`
103			`ip_addr : STD_LOGIC_VECTOR (31 downto 0);`
104			`port_num : STD_LOGIC_VECTOR (15 downto 0);`
105			`end record;`
106
107
108			`end ipv4_types;`

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[/] [udp_ip_stack/] [trunk/] [contrib/] [from_tim/] [udp_ip_stack/] [tags/] [v1.0/] [rtl/] [vhdl/] [ipv4_types.vhd] - Blame information for rev 35