linux-kernel - Re: [PATCH v2] octeontx2-pf: Add RSS multi group support

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Message-ID: <20201208133444.62618a42@kicinski-fedora-pc1c0hjn.DHCP.thefacebook.com>
Date:   Tue, 8 Dec 2020 13:34:44 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Geetha sowjanya <gakula@...vell.com>
Cc:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <sgoutham@...vell.com>, <davem@...emloft.net>,
        <sbhatta@...vell.com>
Subject: Re: [PATCH v2] octeontx2-pf: Add RSS multi group support

On Mon, 7 Dec 2020 21:40:18 +0530 Geetha sowjanya wrote:
> Hardware supports 8 RSS groups per interface. Currently we are using
> only group '0'. This patch allows user to create new RSS groups/contexts
> and use the same as destination for flow steering rules.
> 
> usage:
> To steer the traffic to RQ 2,3
> 
> ethtool -X eth0 weight 0 0 1 1 context new
> (It will print the allocated context id number)
> New RSS context is 1
> 
> ethtool -N eth0 flow-type tcp4 dst-port 80 context 1 loc 1
> 
> To delete the context
> ethtool -X eth0 context 1 delete
> 
> When an RSS context is removed, the active classification
> rules using this context are also removed.
> 
> Change-log:
> v2
> - Removed unrelated whitespace
> - Coverted otx2_get_rxfh() to use new function.

Thanks, I gave otx2_get_rxfh() as an example, please also convert
otx2_set_rxfh().