Altera cyclone V Technical Reference page 1316

cv_5v4
2016.10.28
txlatecol
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Number of frames aborted due to late collision error
txexesscol
Number of frames aborted due to excessive (16) collision errors
txcarriererr
Number of frames aborted due to carrier sense error (no carrier or loss of carrier)
txoctetcnt
Number of bytes transmitted, exclusive of preamble, in good frames only
txframecount_g
Number of good frames transmitted
txexcessdef
Number of frames aborted due to excessive deferral error (deferred for more than two max-sized frame
times)
txpauseframes
Number of good PAUSE frames transmitted
txvlanframes_g
Number of good VLAN frames transmitted, exclusive of retried frames
txoversize_g
Number of good and bad frames received
rxframecount_gb
Number of good and bad frames received
rxoctetcount_gb
Number of bytes received, exclusive of preamble, in good and bad frames
rxoctetcount_g
Number of bytes received, exclusive of preamble, only in good frames
rxbroadcastframes_g
Number of good broadcast frames received
rxmulticastframes_g
Number of good multicast frames received
rxcrcerror
Number of frames received with CRC error
rxalignmenterror
Number of frames received with alignment (dribble) error. Valid only in 10/100 mode
rxrunterror
Number of frames received with runt (<64 bytes and CRC error) error
rxjabbererror
Number of giant frames received with length (including CRC) greater than 1,518 bytes (1,522 bytes for
VLAN tagged) and with CRC error. If Jumbo Frame mode is enabled, then frames of length greater than
9,018 bytes (9,022 for VLAN tagged) are considered as giant frames
Ethernet Media Access Controller
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GMAC Register Group Register Descriptions
17-101
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