[openib-general] matching an RMPP NACK to send or receive?

[Sean Hefty]

Hal Rosenstock wrote:
>>For now, the code will only 
>>abort a send, which should be the more common case.  I will need to add 
>>aborting receives later and assume that actual TID collisions would be 
>>extremely rare.
> 
> What status code will you use for this ?

I'm returning IB_WC_REM_ABORT_ERR and placing the actual RMPP status code in 
the vendor_err field.

>>The RMPP status does help indicate whether a send or receive is being 
>>aborted, but not in all cases.
> 
> What cases are not covered ?

I believe that the following status values are possible for either a send or 
receive:

resources exhausted
bad RMPP type
illegal status
unspecified and class specific

- Sean