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

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Date:   Wed, 16 Jun 2021 10:57:31 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     <sgoutham@...vell.com>
Cc:     <davem@...emloft.net>, <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 1/2] net: ethtool: Support setting ntuple rule
 count

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 ?