Altera cyclone V Technical Reference page 1317

17-102
GMAC Register Group Register Descriptions
rxundersize_g
Number of frames received with length less than 64 bytes, without any errors
rxoversize_g
Number of frames received with length greater than the maxsize (1,518 or 1,522 for VLAN tagged frames),
without errors
rx64octets_gb
Number of good and bad frames received with length 64 bytes, exclusive of preamble
rx65to127octets_gb
Number of good and bad frames received with length between 65 and 127 (inclusive) bytes, exclusive of
preamble
rx128to255octets_gb
Number of good and bad frames received with length between 128 and 255 (inclusive) bytes, exclusive of
preamble
rx256to511octets_gb
Number of good and bad frames received with length between 256 and 511 (inclusive) bytes, exclusive of
preamble
rx512to1023octets_gb
Number of good and bad frames received with length between 512 and 1,023 (inclusive) bytes, exclusive of
preamble
rx1024tomaxoctets_gb
Number of good and bad frames received with length between 1,024 and maxsize (inclusive) bytes,
exclusive of preamble and retried frames
rxunicastframes_g
Number of good unicast frames received
rxlengtherror
Number of frames received with length error (length type field not equal to frame size), for all frames with
valid length field
rxoutofrangetype
Number of frames received with length field not equal to the valid frame size (greater than 1,500 but less
than 1,536)
rxpauseframes
Number of good and valid PAUSE frames received
rxfifooverflow
Number of missed received frames due to FIFO overflow
rxvlanframes_gb
Number of good and bad VLAN frames received
rxwatchdogerror
Number of frames received with error due to watchdog timeout error (frames with a data load larger than
2,048 bytes)
rxrcverror
Number of frames received with Receive error or Frame Extension error on the GMII or MII interface.
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2016.10.28
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