|Version 13 (modified by 12 years ago) ( diff ),|
Table 1 - RMAP Header
|TYPE||RMAP packet type|
|0x2000 - RMAP Read|
|0x2001 - RMAP Write|
Table 2 - RMAP Payload
|RMAP_ADDR||Register address to read/write|
|RMAP_DATA||Register data to write, applicable to Write only. For Read, this field is unused|
- For Host -> HW, we have both RMAP Read and Write types. RMAP Processor parses the Type field to initiate either a RMAP read or write cycle.
- For HW -> Host, we only have RMAP Read type e.g. read data content is fed back to Host. RMAP header is added by Packet Processor, Read content by RMAP Processor.
- Note, UDP port 1000 is used for RMAP packet. Packet Classifier forwards UDP port 1000 packets to RMAP Processor.
- Note, minimum Ethernet payload is 46 bytes e.g. 20 (IP header) + 8 (UDP header) + 16 (UDP payload) = 46 bytes
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