netdev - Re: [PATCH 01/15] octeontx2-af: Interface backpressure configuration support

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]

Message-ID: <20191118131230.6114a357@cakuba.netronome.com>
Date:   Mon, 18 Nov 2019 13:12:30 -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 01/15] octeontx2-af: Interface backpressure
 configuration support

On Sun, 17 Nov 2019 21:44:12 +0530, sunil.kovvuri@...il.com wrote:
> From: Geetha sowjanya <gakula@...vell.com>
> 
> Enables backpressure and assigns BPID for CGX and LBK channels.
> 96xx support upto 512 BPIDs, these BPIDs are statically divided
> across CGX/LBK/SDP interfaces as follows.
> BPIDs   0 - 191 are mapped to LMAC channels.
> BPIDs 192 - 255 are mapped to LBK channels.
> BPIDs 256 - 511 are mapped to SDP channels.
> 
> BPIDs across CGX LMAC channels are divided as follows.
> CGX(0)_LMAC(0)_CHAN(0 - 15) mapped to BPIDs(0 - 15)
> CGX(0)_LMAC(1)_CHAN(0 - 15) mapped to BPIDs(16 - 31)
> .......
> CGX(1)_LMAC(0)_CHAN(0 - 15) mapped to BPIDs(64 - 79)
> ....
> 
> Signed-off-by: Geetha sowjanya <gakula@...vell.com>
> Signed-off-by: Sunil Goutham <sgoutham@...vell.com>

Can you explain what is being done here from user perspective?
How is this thing configured? Looks like you just added some 
callbacks for device-originating events?

And please keep the acronyms which are meaningless to anyone
upstream to a minimum.