[openib-general] How about ib_send_page() ?

[Fab Tillier]

> From: Roland Dreier [mailto:roland at topspin.com]
> Sent: Tuesday, June 07, 2005 8:38 AM
> 
>     Michael> Why not just use the IETF draft for RC / UC based IP over
>     Michael> IB and not worry about creating something new?
> 
> I think we've come full circle.  The original post was a suggestion on
> how to handle the fact the the connected-mode IPoIB draft requires a
> network stack to deal with different MTUs for different destinations
> on the same logical link.

That's right - by implementing IP segmentation in the IPoIB driver when going
over UD, the driver could expose a single MTU to the network stack, thereby
removing all the issues related to having per-endpoint MTUs.

Keeping a 2K MTU for RC mode doesn't really take advantage of IB's RC
capabilities.  I'd probably target 64K as the MTU.

- Fab