netdev - Re: [PATCH v2 net-next 0/9] bnxt

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Message-ID: <20180925070634.05d05e83@cakuba.netronome.com>
Date:   Tue, 25 Sep 2018 07:06:34 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Vasundhara Volam <vasundhara-v.volam@...adcom.com>
Cc:     David Miller <davem@...emloft.net>,
        "michael.chan@...adcom.com" <michael.chan@...adcom.com>,
        Netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH v2 net-next 0/9] bnxt_en: devlink param updates

On Tue, 25 Sep 2018 09:44:41 +0530, Vasundhara Volam wrote:
> On Mon, Sep 24, 2018 at 10:11 PM Jakub Kicinski
> <jakub.kicinski@...ronome.com> wrote:
> >
> > On Mon, 24 Sep 2018 10:46:12 +0530, Vasundhara Volam wrote:  
> > > This patchset adds support for 3 generic and 1 driver-specific devlink
> > > parameters. Add documentation for these configuration parameters.
> > >
> > > Also, this patchset adds support to return proper error code if
> > > HWRM_NVM_GET/SET_VARIABLE commands return error code
> > > HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED.
> > >
> > > v1->v2:
> > > -Remove hw_tc_offload parameter.
> > > -Update all patches with Cc of MAINTAINERS.
> > > -Add more description in commit message for device specific parameter.
> > > -Add a new Documentation/networking/devlink-params.txt with some
> > > generic devlink parameters information.
> > > -Add a new Documentation/networking/devlink-params-bnxt_en.txt with devlink
> > > parameters information that are supported by bnxt_en driver.
> > >
> > > Vasundhara Volam (9):
> > >   devlink: Add generic parameter ignore_ari
> > >   devlink: Add generic parameter msix_vec_per_pf_max
> > >   devlink: Add generic parameter msix_vec_per_pf_min  
> >
> > Nobody agreed with me that we need structure the PCIe bits better so
> > I'll let go...
> >  
> > >   bnxt_en: Use ignore_ari devlink parameter
> > >   bnxt_en: return proper error when FW returns
> > >     HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED
> > >   bnxt_en: Use msix_vec_per_pf_max and msix_vec_per_pf_min devlink
> > >     params.
> > >   bnxt_en: Add a driver specific gre_ver_check devlink parameter.  
> >
> > This looks like configuring forwarding rules with devlink, but again,  
> Do you think, this parameter should be made generic?

By no means.

> > I won't object if I'm the only one who finds this inappropriate.
> >
> > You should CC people who gave you feedback on the previous version.  
> Sorry, I will add in the next version of the patchset. Thanks.
> >  
> > >   devlink: Add Documentation/networking/devlink-params.txt
> > >   devlink: Add Documentation/networking/devlink-params-bnxt.txt