netdev - Re: [PATCH net-next v2] ethtool: add netlink based get rxfh support

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Date:   Mon, 14 Nov 2022 09:15:59 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     "Samudrala, Sridhar" <sridhar.samudrala@...el.com>
Cc:     "Mogilappagari, Sudheer" <sudheer.mogilappagari@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "mkubecek@...e.cz" <mkubecek@...e.cz>,
        "andrew@...n.ch" <andrew@...n.ch>,
        "corbet@....net" <corbet@....net>,
        "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>
Subject: Re: [PATCH net-next v2] ethtool: add netlink based get rxfh support

On Sun, 13 Nov 2022 22:23:25 -0600 Samudrala, Sridhar wrote:
> > My worry is that if we go with a more broad name like
> > "queue group" someone may be mislead to adding controls
> > unrelated to flow <> queue assignment here.  
> 
> Later we would like to add a per queue-group parameter that would allow
> reducing/changing the number of napi pollers for a queue group from the default
> value equal to the number of queues in the queue group. Are you suggesting
> creating a queue-group object and use devlink API to configure such parameters
> for a queue-group?

I was thinking devlink because of scheduler/QoS and resource control.
For NAPI config not so sure, but either way RSS will not be a place 
for NAPI/IRQ config.