At 08:42 PM 3/20/2006, Diego Crupnicoff wrote: >> If I can snoop or guess rkeys (not a huge challenge with 32 bits), and >> if I can use them on an arbitrary queuepair, then I can handily peek and >> poke at memory that does not belong to me. > >No. You can't get to the Window from an arbitrary QP. Only from those QPs that >belong to the same PD.
Oh yeah, I have to guess the PD too. >> For this reason, iWARP requires its steering tags to be scoped to a single >> connection. This leverages the IP security model and provides correctness. >> >> It is true that IB implementations generally don't do this. They should. > >IB allows the 2 flavors (PD bound Windows aka type 1, and QP bound Windows aka >type 2). Does mthca? I thought it's all type 1. Tom. _______________________________________________ openib-general mailing list openib-general@openib.org http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
