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

[Tzachi Dar]

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.

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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