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Message-ID: <20220922192313.628470a6@kernel.org> Date: Thu, 22 Sep 2022 19:23:13 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Guangbin Huang <huangguangbin2@...wei.com> Cc: <jiri@...lanox.com>, <moshe@...lanox.com>, <davem@...emloft.net>, <idosch@...dia.com>, <edumazet@...gle.com>, <pabeni@...hat.com>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <lipeng321@...wei.com>, <chenhao418@...wei.com> Subject: Re: [PATCH net-next 2/2] net: hns3: PF add support setting parameters of congestion control algorithm by devlink param On Fri, 23 Sep 2022 09:38:18 +0800 Guangbin Huang wrote: > Some new devices support dynamiclly configuring parameters of congestion > control algorithm, this patch implement it by devlink param. > > Examples of read and set command are as follows: > > $ devlink dev param set pci/0000:35:00.0 name algo_param value \ > "type@...cn_alp@...f@...tmp@...tkp@...ai@...maxspeed@...g@...al@...cnptime@20" \ > cmode runtime > > $ devlink dev param show pci/0000:35:00.0 name algo_param > pci/0000:35:00.0: > name algo_param type driver-specific > values: > cmode runtime value type@...cn_ai@...f@...tkp@...tmp@...alp@...maxspeed@...g@...al@...cnptime@20 Please put your RDMA params to the RDMA subsystem. It's not what devlink is for. In general 95% of the time devlink params are not the answer upstream.
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