Re: Socket Direct Protocol: help (2)

[Steve Wise]

Tung, Chien Tin wrote:
> > > NE020 supports 4 SGEs.  I don't know enough about SDP to know why it is
> > > using this calculation for # of send_sge:
> > >
> > > #define SDP_MAX_RECV_SKB_FRAGS (PAGE_SIZE > 0x8000 ? 1 : 0x8000 / PAGE_SIZE)
> > >
> > >
> > >       
> > Chien, does the NE020 support FMRs?  I looked at the nes ofed-1.5 code
> > and it appears to do nothing in the map_phys_fmr functions.
> >     
>
> We never implemented map_phys_fmr.  Is it relevant to the # of SGEs?
>   
No, but SDP uses FMRs.  I don't think it will run without FMR support.


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