Architecture rtl of udp_TX

UDP pseudo header for IPv6

Byte 0 Byte 1 Byte 2 Byte 3

+================================+================================+================================+================================+ | SourceAddress | ~ ~ ~ ~ ~ | | +--------------------------------+--------------------------------+--------------------------------+--------------------------------+ | DestinationAddress | ~ ~ ~ ~ ~ | | +--------------------------------+--------------------------------+--------------------------------+--------------------------------+ | Length | +--------------------------------+--------------------------------+--------------------------------+--------------------------------+ | 0x000000 | NextHeader | +================================+================================+================================+================================+ | UDP header (see above) | ~ ~ ~ ~ ~ | | +================================+================================+================================+================================+ | Payload | ~ ~ ~ ~ ~ | | +================================+================================+================================+================================+

Types

Name	Description
T_STATE

Processes

process

process @(UpperLayerPacketLength or Checksum or Checksum0_cy or IPSeqCounter_us or In_Meta_Checksum or In_Meta_DestPort or In_Meta_SrcPort or In_Meta_DestIPAddress_Data or Out_Meta_DestIPAddress_nxt or In_Meta_SrcIPAddress_Data or Out_Meta_SrcIPAddress_nxt or Out_Meta_rst or Out_Ack or In_Data or In_EOF or In_SOF or In_Valid or State)

FSM Transitions for State

#	Current State	Next State	Condition	Comment
1	ST_IDLE	ST_CHECKSUMV4_IPV4_ADDRESSES	[((In_Valid and In_SOF = '1') and (IP_VERSION = 4))]
2	ST_IDLE	ST_CHECKSUMV6_IPV6_ADDRESSES	[((In_Valid and In_SOF = '1') and not (IP_VERSION = 4) and (IP_VERSION = 6))]
3	ST_IDLE	ST_ERROR	[((In_Valid and In_SOF = '1') and not (IP_VERSION = 4) and not (IP_VERSION = 6))]
4	ST_CHECKSUMV4_IPV4_ADDRESSES	ST_CHECKSUMV4_LENGTH_UDP_TYPE_0	[(IPSeqCounter_us = 3)]
5	ST_CHECKSUMV6_IPV6_ADDRESSES	ST_CHECKSUMV6_LENGTH_UDP_TYPE_0	[(IPSeqCounter_us = 15)]
6	ST_CHECKSUMV4_LENGTH_UDP_TYPE_0	ST_CHECKSUMV4_LENGTH_UDP_TYPE_1	[EMPTY]
7	ST_CHECKSUMV6_LENGTH_UDP_TYPE_0	ST_CHECKSUMV6_LENGTH_UDP_TYPE_1	[EMPTY]
8	ST_CHECKSUMV4_LENGTH_UDP_TYPE_1	ST_CHECKSUMV4_PORT_NUMBER_0	[EMPTY]
9	ST_CHECKSUMV6_LENGTH_UDP_TYPE_1	ST_CHECKSUMV6_PORT_NUMBER_0	[EMPTY]
10	ST_CHECKSUMV4_PORT_NUMBER_0	ST_CHECKSUMV4_PORT_NUMBER_1	[EMPTY]
11	ST_CHECKSUMV6_PORT_NUMBER_0	ST_CHECKSUMV6_PORT_NUMBER_1	[EMPTY]
12	ST_CHECKSUMV4_PORT_NUMBER_1	ST_CHECKSUMV4_CHECKSUM_LENGTH_0	[EMPTY]
13	ST_CHECKSUMV6_PORT_NUMBER_1	ST_CHECKSUMV6_CHECKSUM_LENGTH_0	[EMPTY]
14	ST_CHECKSUMV4_CHECKSUM_LENGTH_0	ST_CHECKSUMV4_CHECKSUM_LENGTH_1	[EMPTY]
15	ST_CHECKSUMV6_CHECKSUM_LENGTH_0	ST_CHECKSUMV6_CHECKSUM_LENGTH_1	[EMPTY]
16	ST_CHECKSUMV4_CHECKSUM_LENGTH_1	ST_SEND_SOURCE_PORT_0	[(Checksum0_cy = "00")]
17	ST_CHECKSUMV4_CHECKSUM_LENGTH_1	ST_CARRY_0	[not (Checksum0_cy = "00")]
18	ST_CHECKSUMV6_CHECKSUM_LENGTH_1	ST_SEND_SOURCE_PORT_0	[(Checksum0_cy = "00")]
19	ST_CHECKSUMV6_CHECKSUM_LENGTH_1	ST_CARRY_0	[not (Checksum0_cy = "00")]
20	ST_SEND_SOURCE_PORT_0	ST_SEND_SOURCE_PORT_1	[(Out_Ack = '1')]
21	ST_CARRY_0	ST_SEND_SOURCE_PORT_0	[(Checksum0_cy = "00")]
22	ST_CARRY_0	ST_CARRY_1	[not (Checksum0_cy = "00")]
23	ST_SEND_SOURCE_PORT_1	ST_SEND_DEST_PORT_0	[(Out_Ack = '1')]
24	ST_CARRY_1	ST_SEND_SOURCE_PORT_0	[EMPTY]
25	ST_SEND_DEST_PORT_0	ST_SEND_DEST_PORT_1	[(Out_Ack = '1')]
26	ST_SEND_DEST_PORT_1	ST_SEND_LENGTH_0	[(Out_Ack = '1')]
27	ST_SEND_LENGTH_0	ST_SEND_LENGTH_1	[(Out_Ack = '1')]
28	ST_SEND_LENGTH_1	ST_SEND_CHECKSUM_0	[(Out_Ack = '1')]
29	ST_SEND_CHECKSUM_0	ST_SEND_CHECKSUM_1	[(Out_Ack = '1')]
30	ST_SEND_CHECKSUM_1	ST_SEND_DATA	[(Out_Ack = '1')]
31	ST_SEND_DATA	ST_IDLE	[(In_EOF and Out_Ack = '1')]

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