Architecture rtl of ipv4_RX

Types

Name	Description
T_STATE
T_IPV4_BYTEINDEX

Processes

process @ ( Out_Ack or IPv4SeqCounter_us or In_EOF or In_Data or In_Valid or Is_EOF or Is_SOF or Is_DataFlow or State or )

FSM Transitions for State

#	Current State	Next State	Condition
1	ST_IDLE	ST_RECEIVE_TYPE_OF_SERVICE	[((Is_SOF = '1') and (Is_EOF = '0') and (In_Data(3 downto 0) = x"4"))]
2	ST_IDLE	ST_DISCARD_FRAME	[((Is_SOF = '1') and (Is_EOF = '0') and not (In_Data(3 downto 0) = x"4"))]
3	ST_IDLE	ST_ERROR	[((Is_SOF = '1') and not (Is_EOF = '0'))]
4	ST_RECEIVE_TYPE_OF_SERVICE	ST_RECEIVE_TOTAL_LENGTH_0	[((In_Valid = '1') and (Is_EOF = '0'))]
5	ST_RECEIVE_TYPE_OF_SERVICE	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
6	ST_DISCARD_FRAME	ST_ERROR	[(Is_EOF = '1')]
7	ST_ERROR	ST_IDLE	[EMPTY]
8	ST_RECEIVE_TOTAL_LENGTH_0	ST_RECEIVE_TOTAL_LENGTH_1	[((In_Valid = '1') and (Is_EOF = '0'))]
9	ST_RECEIVE_TOTAL_LENGTH_0	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
10	ST_RECEIVE_TOTAL_LENGTH_1	ST_RECEIVE_IDENTIFICATION_0	[((In_Valid = '1') and (Is_EOF = '0'))]
11	ST_RECEIVE_TOTAL_LENGTH_1	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
12	ST_RECEIVE_IDENTIFICATION_0	ST_RECEIVE_IDENTIFICATION_1	[((In_Valid = '1') and (Is_EOF = '0'))]
13	ST_RECEIVE_IDENTIFICATION_0	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
14	ST_RECEIVE_IDENTIFICATION_1	ST_RECEIVE_FLAGS	[((In_Valid = '1') and (Is_EOF = '0'))]
15	ST_RECEIVE_IDENTIFICATION_1	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
16	ST_RECEIVE_FLAGS	ST_RECEIVE_FRAGMENT_OFFSET_1	[((In_Valid = '1') and (Is_EOF = '0'))]
17	ST_RECEIVE_FLAGS	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
18	ST_RECEIVE_FRAGMENT_OFFSET_1	ST_RECEIVE_TIME_TO_LIVE	[((In_Valid = '1') and (Is_EOF = '0'))]
19	ST_RECEIVE_FRAGMENT_OFFSET_1	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
20	ST_RECEIVE_TIME_TO_LIVE	ST_RECEIVE_PROTOCOL	[((In_Valid = '1') and (Is_EOF = '0'))]
21	ST_RECEIVE_TIME_TO_LIVE	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
22	ST_RECEIVE_PROTOCOL	ST_RECEIVE_HEADER_CHECKSUM_0	[((In_Valid = '1') and (Is_EOF = '0'))]
23	ST_RECEIVE_PROTOCOL	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
24	ST_RECEIVE_HEADER_CHECKSUM_0	ST_RECEIVE_HEADER_CHECKSUM_1	[((In_Valid = '1') and (Is_EOF = '0'))]
25	ST_RECEIVE_HEADER_CHECKSUM_0	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
26	ST_RECEIVE_HEADER_CHECKSUM_1	ST_RECEIVE_SOURCE_ADDRESS	[((In_Valid = '1') and (Is_EOF = '0'))]
27	ST_RECEIVE_HEADER_CHECKSUM_1	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
28	ST_RECEIVE_SOURCE_ADDRESS	ST_RECEIVE_DESTINATION_ADDRESS	[((In_Valid = '1') and (Is_EOF = '0') and (IPv4SeqCounter_us = 0))]
29	ST_RECEIVE_SOURCE_ADDRESS	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
30	ST_RECEIVE_DESTINATION_ADDRESS	ST_RECEIVE_DATA_1	[((In_Valid = '1') and (Is_EOF = '0') and (IPv4SeqCounter_us = 0))]
31	ST_RECEIVE_DESTINATION_ADDRESS	ST_ERROR	[((In_Valid = '1') and not (Is_EOF = '0'))]
32	ST_RECEIVE_DATA_1	ST_RECEIVE_DATA_N	[((Is_DataFlow = '1') and (Is_EOF = '0'))]
33	ST_RECEIVE_DATA_1	ST_IDLE	[((Is_DataFlow = '1') and not (Is_EOF = '0'))]
34	ST_RECEIVE_DATA_N	ST_IDLE	[(Is_EOF = '1')]

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