netdev - Re: [PATCH 04/15] octeontx2-af: Ingress and egress pause frame configuration

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:   Mon, 18 Nov 2019 13:33:03 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     sunil.kovvuri@...il.com
Cc:     netdev@...r.kernel.org, davem@...emloft.net,
        Geetha sowjanya <gakula@...vell.com>,
        Sunil Goutham <sgoutham@...vell.com>
Subject: Re: [PATCH 04/15] octeontx2-af: Ingress and egress pause frame
 configuration

On Sun, 17 Nov 2019 21:44:15 +0530, sunil.kovvuri@...il.com wrote:
> From: Geetha sowjanya <gakula@...vell.com>
> 
> Pause frames can be generated when NIX/NPA asserts backpressure
> due to insufficient resources. This patch enables generation
> of pause frames by CGX. Also enabled processing of received
> pause frames and asserting backpressure on NIX transmit path.


I'd expect pause frames to be configured via ethtool, you say:
 
> Also added mailbox config messages for PF/VF to enable/disable
> flow control any time.

Who's controlling the mbox? Do you have any public docs for this driver?