linux-kernel - RE: [EXT] Re: [PATCH net-next v1 1/2] octeon_ep: implement device unload control net API

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Message-ID: <PH0PR18MB4734281BD887FD9AFD64B2DEC7BCA@PH0PR18MB4734.namprd18.prod.outlook.com>
Date:   Tue, 28 Nov 2023 04:22:11 +0000
From:   Shinas Rasheed <srasheed@...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>,
        Haseeb Gani <hgani@...vell.com>,
        Vimlesh Kumar <vimleshk@...vell.com>,
        "egallen@...hat.com" <egallen@...hat.com>,
        "mschmidt@...hat.com" <mschmidt@...hat.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "horms@...nel.org" <horms@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "wizhao@...hat.com" <wizhao@...hat.com>,
        "konguyen@...hat.com" <konguyen@...hat.com>,
        Veerasenareddy Burru <vburru@...vell.com>,
        Sathesh B Edara <sedara@...vell.com>,
        Eric Dumazet <edumazet@...gle.com>
Subject: RE: [EXT] Re: [PATCH net-next v1 1/2] octeon_ep: implement device
 unload control net API



> -----Original Message-----
> From: Jakub Kicinski <kuba@...nel.org>
> Sent: Tuesday, November 28, 2023 8:13 AM
> To: Shinas Rasheed <srasheed@...vell.com>
>
> On Mon, 27 Nov 2023 08:21:34 -0800 Shinas Rasheed wrote:
> > Device unload control net function should inform firmware
> 
> What is "control net" again?

Control net is just a software layer which is used by the host driver as well as the firmware to communicate with each other, given in the source file octep_ctrl_net.c and the corresponding octep_ctrl_net.h interface, which is already part of upstreamed driver.