[ofw] enabling LSO causes IB_INVALID_PARAMETER in ib_post_send() ?

[Smith, Stan]

Tzachi Dar wrote:
> Infinihost does not support LSO. So I guess that the code should have
> disabled LSO in any case.
>
> We will have to find why the driver does try to use LSO in this
> configuration.

Hello,
  There was a recent ipoib_ndis6_cm netipoib.inx file commit which set LSO enabled by default.
For now I will modify local version of netipoib.inx to disable LSO by default.

stan.

>
> Thanks
> Tzachi
>
>> -----Original Message-----
>> From: ofw-bounces at lists.openfabrics.org [mailto:ofw-
>> bounces at lists.openfabrics.org] On Behalf Of Smith, Stan
>> Sent: Wednesday, December 29, 2010 10:44 PM
>> To: Alex Naslednikov
>> Cc: ofw at lists.openfabrics.org
>> Subject: [ofw] enabling LSO causes IB_INVALID_PARAMETER in
>> ib_post_send() ?
>>
>> Hello Alex,
>>   Using the SVN head of ipoib_ndis6_cm\ I find when running a checked
>> version which has LSO enabled per .inf file mod, (ttcp -t to a
>> winOFED
>> 2.5 installed system), the ipoib_process_sg_list_real() call to
>> ib_post_send() call ALWAYS returns IB_INVALID_PARAMETER?
>>
>> If I change the .inf file to disable LSO, and reload ipoib.sys,
>> ib_post_send() always succeeds.
>>
>> HCA is Infinihost MT25208 with latest firmware.
>>
>> Any thoughts as to why LSO enabled produces the ib_post_send() error
>> in this config?
>>
>> stan.
>>
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