netdev - Re: [PATCH] mac802154_hwsim: allow users to specify the number of simulated radios dinamically instead of the previously hardcoded value of 2

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Message-ID: <CAK-6q+hO7byb-MRSd1U64-CMLrjrDdHfV5WLjK4dscCgxFSMOA@mail.gmail.com>
Date: Sun, 8 Jun 2025 11:57:09 -0400
From: Alexander Aring <aahringo@...hat.com>
To: Ramon Fontes <ramonreisfontes@...il.com>
Cc: Andrew Lunn <andrew@...n.ch>, davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, 
	linux-wpan@...r.kernel.org, alex.aring@...il.com, miquel.raynal@...tlin.com, 
	netdev@...r.kernel.org
Subject: Re: [PATCH] mac802154_hwsim: allow users to specify the number of
 simulated radios dinamically instead of the previously hardcoded value of 2

Hi,

On Sat, Jun 7, 2025 at 5:42 PM Ramon Fontes <ramonreisfontes@...il.com> wrote:
>
> Ok! Just a last question:
>
> Shouldn't we define a maximum number of supported radios when using
> unsigned? A value like -1 would wrap around and result in thousands of
> radios, right?
> That said, wouldn't it be simpler and safer to just use int instead?

there is no limitation to add some during runtime. It requires root
permissions and you need to know what you are doing when you are root.

- Alex