[openib-general] Re: rdma_bind_addr question

[Tom Tucker]

Cool, that's the answer I was looking for.

On Thu, 2005-10-20 at 12:35 -0700, Sean Hefty wrote:
> Tom Tucker wrote:
> > Right now the code (ib_translate_addr) seems to assume that the device
> > is for an IPoIB device. Going forward, how do we know whether the
> > underlying net_device is for an IPoIB device, an iWARP device, or a dumb
> > Ethernet device? 
> 
> The code does assume this currently.  The code should check that the net_device 
> type = ARPHRD_INFINIBAND.  Without this check, the CMA will simply error out 
> later when mapping the returned address to a GID.
> 
> > For the first two, we will take one of two paths in the CMA, for the
> > dumb Ethernet device I presume we will return an error. 
> 
> I guess the proper thing to return is -ENODEV from ib_translate_addr() if we 
> have the wrong device type.  The CMA could then check iWarp devices.
> 
> - Sean