netdev - RE: [EXT] Re: [PATCH net-next 1/2] net: ethtool: Support setting ntuple rule count

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Date:   Thu, 17 Jun 2021 13:16:03 +0000
From:   Sunil Kovvuri Goutham <sgoutham@...vell.com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [EXT] Re: [PATCH net-next 1/2] net: ethtool: Support setting
 ntuple rule count



> -----Original Message-----
> From: Jakub Kicinski <kuba@...nel.org>
> Sent: Wednesday, June 16, 2021 11:28 PM
> To: Sunil Kovvuri Goutham <sgoutham@...vell.com>
> Cc: davem@...emloft.net; netdev@...r.kernel.org
> Subject: [EXT] Re: [PATCH net-next 1/2] net: ethtool: Support setting ntuple
> rule count
> 
> External Email
> 
> ----------------------------------------------------------------------
> On Wed, 16 Jun 2021 18:21:21 +0530 sgoutham@...vell.com wrote:
> > From: Sunil Goutham <sgoutham@...vell.com>
> >
> > Some NICs share resources like packet filters across multiple
> > interfaces they support. From HW point of view it is possible to use
> > all filters for a single interface.
> > Currently ethtool doesn't support modifying filter count so that user
> > can allocate more filters to a interface and less to others. This
> > patch adds ETHTOOL_SRXCLSRLCNT ioctl command for modifying filter
> > count.
> >
> > example command:
> > ./ethtool -U eth0 rule-count 256
> 
> man devlink-resource ?

Since ntuple rule insert and delete are part of ethtool, I thought having this config also in
ethtool will make user life easy ie all ntuple related stuff within one tool.

Thanks,
Sunil.