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Subversion Repositories udp_ip_stack
[/] [udp_ip_stack/] [trunk/] [rtl/] [vhdl/] [arp_types.vhd] - Rev 17
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-- -- Package File Template -- -- Purpose: This package defines supplemental types, subtypes, -- constants, and functions -- -- To use any of the example code shown below, uncomment the lines and modify as necessary -- -- Revision 0.02 - Added type definitions (store and network) for arpv2 library IEEE; use IEEE.STD_LOGIC_1164.all; package arp_types is -- arp lookup types type arp_req_req_type is record lookup_req : std_logic; -- set high when wanting mac adr for the requested IP ip : std_logic_vector (31 downto 0); end record; type arp_req_rslt_type is record got_mac : std_logic; -- indicates that we got the mac mac : std_logic_vector (47 downto 0); got_err : std_logic; -- indicates that we got an error (prob a timeout) end record; type arp_entry_t is record ip : std_logic_vector (31 downto 0); mac : std_logic_vector (47 downto 0); end record; type arp_control_type is record clear_cache : std_logic; end record; -- arp store types type arp_store_rslt_t is (IDLE,BUSY,SEARCHING,FOUND,NOT_FOUND); type arp_store_rdrequest_t is record req : std_logic; -- request to lookup ip : std_logic_vector(31 downto 0); -- contains ip to lookup end record; type arp_store_wrrequest_t is record req : std_logic; -- request to store entry : arp_entry_t; -- ip,mac to store end record; type arp_store_result_t is record status : arp_store_rslt_t; -- status of the request entry : arp_entry_t; -- contains ip,mac if found end record; -- arp network types type arp_nwk_rslt_t is (IDLE,REQUESTING,RECEIVED,ERROR); type arp_nwk_request_t is record req : std_logic; -- request to resolve IP addr ip : std_logic_vector(31 downto 0); -- IP to request end record; type arp_nwk_result_t is record status : arp_nwk_rslt_t; -- status of request entry : arp_entry_t; -- the result end record; end arp_types;
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