netdev - Re: [PATCH net-next] nfp: make RSS can be switched on/off by ethtool

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 25 Feb 2022 07:48:09 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Simon Horman <simon.horman@...igine.com>
Cc:     David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
        oss-drivers@...igine.com, Yinjun Zhang <yinjun.zhang@...igine.com>,
        Louis Peens <louis.peens@...igine.com>
Subject: Re: [PATCH net-next] nfp: make RSS can be switched on/off by
 ethtool

On Fri, 25 Feb 2022 09:59:29 +0100 Simon Horman wrote:
> From: Yinjun Zhang <yinjun.zhang@...igine.com>
> 
> RSS is default on in nfp net device, and cannot be switched off
> by `ethtool -K <int> receive-hashing off`. Implement it now.

Does rxhash mean RSS or reporting of the flow hash?
User can "disable RSS" by changing the indirection table to all-0.
Currently rxhash controls copying the rxhash to the skb for the nfp.