SOLVED: Degraded TCP performace on Intel PRO/1000

[Mike Jakubik]

On Sat, May 7, 2005 5:35 am, Marian Durkovic said:
>>> To achieve wirespeed performance, the TX FIFO must be large enough to
>>>  accomodate 2 jumbo packets (not just 1 as the driver was assuming).
>>> There was also a typo in the driver, causing the PBA tuning on most
>>> cards to be non-functional.
>>>
>>> Please be sure to use em driver version 1.7.41 or newer, either from
>>> the CVS (branch RELENG_4_11) or from Intel's downloads.
>>
>> Does this also apply to 5.x and above?  If no-one else responds in the
>> next few days, can you please submit the patch in PR so it does not get
>> lost?
>>
>> Kris
>>
>
> All the CVS branches of if_em.c have the same bugs in the packet buffer
> (PBA) code, so yes, the patch applies to all releases.

Please submit this patch, i myself use the em card in a lot of boxes.
CURRENT still has driver version 1.7.35, so looks like we are behind a
bit.

Thanks.