netdev - Re: [PATCH] Integration with the user space

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Message-ID: <CAK-6q+hLqQcVSqW7NOxS8hQbM1Az-De11-vGvxXT1+RNcUZx0g@mail.gmail.com>
Date: Sat, 7 Jun 2025 13:27:40 -0400
From: Alexander Aring <aahringo@...hat.com>
To: Ramon Fontes <ramonreisfontes@...il.com>
Cc: 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] Integration with the user space

Hi,

On Tue, Jun 3, 2025 at 3:05 PM Ramon Fontes <ramonreisfontes@...il.com> wrote:
>
> This PR introduces support for use space tools such as wmediumd in the mac802154_hwsim kernel module, similar to the existing support for Wi-Fi simulations via mac80211_hwsim. With this addition, it becomes possible to simulate interference and control transmission behavior in IEEE 802.15.4 networks using a userspace backend.
>

that is already being possible by using raw sockets, what is the
difference here? Depending on your use case it might depend on what
kind of mac instance "wpan_dev" is created on top of your phy. If you
just want to have bare phy access you are looking into monitor wpan
dev types and using AF_PACKET raw sockets. I already connected user
space stacks (only for development) with it.

If you want to have ARET/AACK support, the answer is more complicated.

- Alex