Re: [PATCH v4 2/4] iw_cxgb4: add queue drain functions

[Leon Romanovsky <leon-2ukJVAZIZ/Y@public.gmane.org>]

On Wed, Mar 09, 2016 at 05:28:47PM +0200, Sagi Grimberg wrote:
> 
> >>Hi Steve,
> >>My knowledge is limited in this driver and I have no illusion that
> >>question sounds naive, but why did you add these functions to this
> >>specific driver? Do the other drivers need such update too?
> >>
> >>Thanks
> >
> >Hey Leon,
> >
> >I added these so iSER and other storage protocols that are or will be using the drain logic will work on cxgb4.  IB devices should
> >not need device-specific drain logic since the common core drain works for IB (and I assume RoCE).  iWARP devices, however, require
> >device-specific logic.  Other iwarp drivers are iw_cxgb3 and iw_nes.
> 
> Yes, this is iWARP specific. Steve was kind enough to fix chelsio
> drivers and we need someone to pick up nes so ULPs will be able to run
> reliably over it.

Steve and Sagi,
Thank you for clarification.

I see that nes driver is supported. Is it still relevant?

NETEFFECT IWARP RNIC DRIVER (IW_NES)
M:      Faisal Latif <faisal.latif-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
L:      linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
W:	http://www.intel.com/Products/Server/Adapters/Server-Cluster/Server-Cluster-overview.htm
S:      Supported
F:      drivers/infiniband/hw/nes/
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