RE: [for-next 4/6] net/mlx5: FPGA, Add basic support for Innova

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> -----Original Message-----
> From: Jes Sorensen [mailto:jsorensen@xxxxxx]
> 
> On 05/26/2017 04:29 AM, Saeed Mahameed wrote:
> > On Thu, May 25, 2017 at 11:48 PM, Jes Sorensen <jsorensen@xxxxxx> wrote:
> >> On 05/25/2017 06:40 AM, Saeed Mahameed wrote:
> > Hi Jes,
> >
> > No, It is clearly stated in the commit message :
> >
> > "The FPGA is a bump-on-the-wire and thus affects operation of
> > the mlx5_core driver on the ConnectX ASIC."
> >
> > Which means mlx5 FPGA user can only write logic which affects only
> > packets going in/out
> > A ConnectX chip - so it is only network stuff -.
> >
> >> We have this with other devices in the kernel where a primary device
> driver
> >> provides an interface for an additional sub-driver to access another
> device
> >> behind it. Like bt-coexist in some of the wifi drivers allowing access
> to a
> >> bluetooth device behind it.
> >
> > Blutooth over wifi or vise versa is a very good example to what you
> > are requesting.
> > But, it doesn't fit to what we are trying to do here. mlx5 FGPA is a
> > ConnectX card feature, not a new protocol.
> 
> In that case it would need to be an optional module that can be enabled
> or disabled at build time.

Jes,

It is already modular like that. See CONFIG_MLX5_FPGA.

Ilan.

> 
> Cheers,
> Jes
> 

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