netdev - Re: [ofa-general] Re: [PATCH 0/26] Reliable Datagram Sockets (RDS), take 2

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Message-ID: <adaeixmtma5.fsf@cisco.com>
Date:	Wed, 25 Feb 2009 10:16:18 -0800
From:	Roland Dreier <rdreier@...co.com>
To:	David Miller <davem@...emloft.net>
Cc:	ogerlitz@...taire.com, andy.grover@...cle.com,
	netdev@...r.kernel.org, rds-devel@....oracle.com,
	general@...ts.openfabrics.org
Subject: Re: [ofa-general] Re: [PATCH 0/26] Reliable Datagram Sockets (RDS), take 2

 > It's making real sockets, using the real networking stack,
 > using up real IP port/address pairs recognized by the rest
 > of the real networking stack, and doing RDMA over that
 > connection.
 > 
 > That's not allowed.
 > 
 > We always said that if these RDMA things are in the tree,
 > they should use their own IP addresses and that are not
 > visible to the real Linux networking stack.

How is what the RDS code is doing any different than what the (upstream)
NFS/RDMA and iSER code does?  It uses the same rdma_xxx() interfaces for
handling connections.

 - R.
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