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Message-ID: <5f77197f-a3ea-7ab5-2dc7-577d0ec7b8f7@huawei.com> Date: Fri, 23 Sep 2022 10:39:33 +0800 From: "huangguangbin (A)" <huangguangbin2@...wei.com> To: Jakub Kicinski <kuba@...nel.org> 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 2022/9/23 10:23, Jakub Kicinski wrote: > 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. > . > Ok, I will discuss with our team.
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