linux-kernel - Re: [PATCH V7 net-next 4/4] net: hns3: add support to query scc version by devlink info

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Message-ID: <20240412190043.69c306c5@kernel.org>
Date: Fri, 12 Apr 2024 19:00:43 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Jijie Shao <shaojijie@...wei.com>
Cc: Jiri Pirko <jiri@...nulli.us>, <yisen.zhuang@...wei.com>,
 <salil.mehta@...wei.com>, <davem@...emloft.net>, <edumazet@...gle.com>,
 <pabeni@...hat.com>, <horms@...nel.org>, <rkannoth@...vell.com>,
 <shenjian15@...wei.com>, <wangjie125@...wei.com>, <liuyonglong@...wei.com>,
 <chenhao418@...wei.com>, <netdev@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V7 net-next 4/4] net: hns3: add support to query scc
 version by devlink info

On Fri, 12 Apr 2024 15:12:17 +0800 Jijie Shao wrote:
> >> +   * - ``fw.scc``
> >> +     - running
> >> +     - Used to represent the soft congestion control firmware version.
> >>
> >> scc means "soft congestion control"  
> > I guess this is something specific to your device, isn't it? Can't you
> > please extend the description a bit more?
> >
> SCC is a firmware which provides multiple congestion control algorithms, including dcqcn.
> Congestion control is a mechanism that controls the entry of rdma packets into the network,
> enabling a better use of a shared network infrastructure and avoiding congestive collapse.

Thanks, I'll amend the patch with a condensed version of this info.
Otherwise I feel like we'll need another 3 revisions to polish it..