netmap ixgbevf mtu

[Joe Buehler]

Grazie mille. I will test it as time allows -- swamped.

Joe Buehler

Vincenzo Maffione wrote:
> Hi,
>   This commit (fe13476b106ed1f4b517b1590e1dfb3f268b6e78) in the upstream
> netmap should have fixed the NS_MOREFRAG issue for ixgbe.
> If you happen give a try let us know.
> 
> Cheers,
>   Vincenzo
> 
> 2018-03-21 21:40 GMT+01:00 Vincenzo Maffione <v.maffione at gmail.com
> <mailto:v.maffione at gmail.com>>:
> 
>     I see. Unfortunately this breaks the API, so I don't think we can
>     accept it.
>     We should probably sum up the fragment lengths, remember which one
>     was the first descriptor and write the olinfo field when we process
>     the last descriptor ...
>     I hope this does not slow down the simpler case where NS_MOREFRAG is
>     not used.
> 
>     In any, case we should move this discussion to the github, if
>     possible (so that the issue gets tracked).
> 
>     Cheers,
>       Vincenzo
> 
>     2018-03-20 20:54 GMT+01:00 Joe Buehler <aspam at cox.net
>     <mailto:aspam at cox.net>>:
> 
>         Attached is a patch that allows fragmented TX with the ixgbevf
>         driver.
> 
>         For the first TX buffer set the slot length to the full length
>         of the frame and make sure that the slot buffer is fully
>         filled.  For succeeding slots just set the length to the amount
>         of the buffer filled.
> 
>         Not intended as the perfect solution but it works fine for my
>         situation.
> 
>         Joe Buehler
> 
> 
> 
> 
>     -- 
>     Vincenzo Maffione
> 
> 
> 
> 
> -- 
> Vincenzo Maffione