[openib-general] RE: [dat-discussions] socket based connectionmodel for IB proposal - round 3

[Sean Hefty]

Roland Dreier wrote:
>     Sean> The current software did not require changes to the CM
>     Sean> protocol, and does provide assurance that the private data
>     Sean> was formatted by a kernel entity.
> 
> How do you prevent a userspace process from using the current ucm
> module to connect to one of the CMA services on a remote system?  If
> you allow that, then the process can use the old simple direct IB CM
> interface to put whatever it wants into the REQ private data.

The kernel uCM module needs to verify that the SID is not used, but I'm waiting 
until a standard SID is defined before adding it.  SDP has a similar issue, 
except its check could be added now, since the SID is well known.

- Sean