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Date:      Wed, 07 Mar 2012 23:42:09 +0700
From:      Eugene Grosbein <egrosbein@rdtc.ru>
To:        pyunyh@gmail.com
Cc:        marius@freebsd.org, "net@freebsd.org" <net@freebsd.org>, yongari@freebsd.org
Subject:   Re: suboptimal bge(4) BCM5704 performance in RELENG_8
Message-ID:  <4F578FE1.1000808@rdtc.ru>
In-Reply-To: <20120308034345.GD9436@michelle.cdnetworks.com>
References:  <4F5608EA.6080705@rdtc.ru>	<20120307202914.GB9436@michelle.cdnetworks.com>	<4F571870.3090902@rdtc.ru> <20120308034345.GD9436@michelle.cdnetworks.com>

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08.03.2012 10:43, YongHyeon PYUN пишет:

>>> Show me the output of "sysctl dev.bge.0.stats".
>>
>> # sysctl dev.bge.0.stats
>> dev.bge.0.stats.FramesDroppedDueToFilters: 0
>> dev.bge.0.stats.DmaWriteQueueFull: 84072
>> dev.bge.0.stats.DmaWriteHighPriQueueFull: 0
>> dev.bge.0.stats.NoMoreRxBDs: 0
>> dev.bge.0.stats.InputDiscards: 0
>> dev.bge.0.stats.InputErrors: 30
>> dev.bge.0.stats.RecvThresholdHit: 745400662
>> dev.bge.0.stats.DmaReadQueueFull: 2020586592
>> dev.bge.0.stats.DmaReadHighPriQueueFull: 0
>> dev.bge.0.stats.SendDataCompQueueFull: 0
>> dev.bge.0.stats.RingSetSendProdIndex: 2832885493
>> dev.bge.0.stats.RingStatusUpdate: 899990835
>> dev.bge.0.stats.Interrupts: 899990835
>> dev.bge.0.stats.AvoidedInterrupts: 0
>> dev.bge.0.stats.SendThresholdHit: 0
>> dev.bge.0.stats.rx.ifHCInOctets: 491268800
>> dev.bge.0.stats.rx.Fragments: 234
>> dev.bge.0.stats.rx.UnicastPkts: 1977202324
>> dev.bge.0.stats.rx.MulticastPkts: 0
>> dev.bge.0.stats.rx.FCSErrors: 341
>   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> You have multiple FCS and Input errors. Check signal
> quality(i.e. UTP cable).

OTOH, should not bge(4) for such errors increase "Ierrs" counters
that shows netstat -i?

Eugene Grosbein



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