linux-kernel - RE: [EXT] Re: [net-next PATCH 0/3] Dynamically allocate BPIDs

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Date: Fri, 26 Jan 2024 09:54:17 +0000
From: Geethasowjanya Akula <gakula@...vell.com>
To: Jakub Kicinski <kuba@...nel.org>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "pabeni@...hat.com"
	<pabeni@...hat.com>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        Sunil
 Kovvuri Goutham <sgoutham@...vell.com>,
        Subbaraya Sundeep Bhatta
	<sbhatta@...vell.com>,
        Hariprasad Kelam <hkelam@...vell.com>
Subject: RE: [EXT] Re: [net-next PATCH 0/3] Dynamically allocate BPIDs



> -----Original Message-----
> From: Jakub Kicinski <kuba@...nel.org>
> Sent: Friday, January 26, 2024 7:47 AM
> To: Geethasowjanya Akula <gakula@...vell.com>
> Cc: netdev@...r.kernel.org; linux-kernel@...r.kernel.org;
> davem@...emloft.net; pabeni@...hat.com; edumazet@...gle.com; Sunil
> Kovvuri Goutham <sgoutham@...vell.com>; Subbaraya Sundeep Bhatta
> <sbhatta@...vell.com>; Hariprasad Kelam <hkelam@...vell.com>
> Subject: [EXT] Re: [net-next PATCH 0/3] Dynamically allocate BPIDs
> 
> External Email
> 
> ----------------------------------------------------------------------
> On Wed, 24 Jan 2024 11:20:11 +0530 Geetha sowjanya wrote:
> > Current hw support 512 backpressure(BP) Ids. These BPIDs are
> > statically reserved among 4 interface types based on number of
> > channels supported. Latest HW support configuring multiple BPIDs per
> > channel. To support this feature, the patch set creates BPIDs free
> > pool from the BPIDs reserved for LBK channel as, LBK uses single BPIDs
> > across multiple channels and on request it dynamically allocates N
> > number of bpids from the free pool. This patch also reworks the LBK
> > device id checks.
> 
> I looked at this for 20 min, I don't understand how this fits together.
> Please improve the commit messages to also explain the functionality and
> how user interacts with the features.

Will rework on the commit message and submit v2.