[openib-general] Re: [PATCH][iWARP] Another CM Verbs Approach

[Roland Dreier]

    Roland> I'd like to understand that last bit above about devices
    Roland> that establish connections internally.  Does that mean
    Roland> that there are RNICs that cannot support the iWARP verbs'
    Roland> notion of migrating a connection?

    Tom> Yes, that's what it means and the reason is that Linux does
    Tom> not (yet) provide a means to do so.

Now I'm confused.  Is the problem that the Linux network stack does
not have an interface for transferring TCP state, or is it that some
RNIC hardware does not support taking control of an existing TCP
connection?  The first problem we can fix, but the second one we can't.

 - R.