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MPC8280 Datasheet(PDF) 1248 Page - Freescale Semiconductor, Inc |
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MPC8280 Datasheet(HTML) 1248 Page - Freescale Semiconductor, Inc |
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1248 / 1386 page  Fast Ethernet Controller MPC8280 PowerQUICC II Family Reference Manual, Rev. 1 36-14 Freescale Semiconductor 36.11 RMON Support The Fast Ethernet controller can automatically gather network statistics required for RMON without the need to receive all addresses using promiscuous mode. Setting FPSMRx[MON] enables RMON support. The RMON statistics and their corresponding counters in the parameter RAM are described in Table 36-5. Table 36-5. RMON Statistics and Counters Statistic Description Counter etherStatsDropEvents The total number of events in which packets were detected as dropped by the probe due to lack of resources. Note that this may not be the number of packets dropped; it is the number of times this condition is detected. DISFC etherStatsOctets The total number of octets of data (including those in bad packets) received on the network (excluding framing bits but including FCS octets). OCTC etherStatsPkts The total number of packets (including bad packets, broadcast packets, and multicast packets) received. USPC + OSPC + FRGC + JBRC + P64C + P65C + P128C + P256C + P512C + P1024C etherStatsBroadcastPkts The total number of good packets received that were directed to the broadcast address. Note that this does not include multicast packets. BROC etherStatsMulticastPkts The total number of good packets received that were directed to a multicast address. Note that this number does not include packets directed to the broadcast address. MULC etherStatsCRCAlignErrors The total number of packets received that had a length (excluding framing bits but including FCS octets) of between 64 and 1518 octets, inclusive, but had either an integral number of octets (FCS error) or a bad FCS with a non-integral number of octets (alignment error). CRCEC + ALEC -FRGC -JBRC etherStatsUndersizePkts The total number of packets received that were less than 64 octets long (excluding framing bits but including FCS octets) and were otherwise well-formed. USPC etherStatsOversizePkts The total number of packets received that were longer than 1518 octets (excluding framing bits but including FCS octets) and were otherwise well-formed. OSPC etherStatsFragments The total number of packets received that were less than 64 octets long (excluding framing bits but including FCS octets) and had either a bad FCS with an integral number of octets (FCS error) or a bad FCS with a non-integral number of octets (alignment error). Note that it is entirely normal for etherStatsFragments to increment, because it counts both runts (which are normal occurrences due to collisions) and noise hits. FRGC |
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