On Sun, Jun 8, 2025 at 12:47 PM Ramon Fontes <[email protected]> wrote:
>
> Add a module parameter `radios` to allow users to configure the number
> of virtual radios created by mac802154_hwsim at module load time.
> This replaces the previously hardcoded value of 2.
>
> * Added a new module parameter `radios`
> * Modified the loop in hwsim_probe()
> * Updated log message in hwsim_probe()
>
> Signed-off-by: Ramon Fontes <[email protected]>
> ---
>  drivers/net/ieee802154/mac802154_hwsim.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ieee802154/mac802154_hwsim.c 
> b/drivers/net/ieee802154/mac802154_hwsim.c
> index 1cab20b5a..8fcf8a549 100644
> --- a/drivers/net/ieee802154/mac802154_hwsim.c
> +++ b/drivers/net/ieee802154/mac802154_hwsim.c
> @@ -27,6 +27,10 @@
>  MODULE_DESCRIPTION("Software simulator of IEEE 802.15.4 radio(s) for 
> mac802154");
>  MODULE_LICENSE("GPL");
>
> +static unsigned int radios = 2;
> +module_param(radios, uint, 0444);
> +MODULE_PARM_DESC(radios, "Number of simulated radios");
> +
>  static LIST_HEAD(hwsim_phys);
>  static DEFINE_MUTEX(hwsim_phys_lock);
>
> @@ -1018,13 +1022,13 @@ static int hwsim_probe(struct platform_device *pdev)
>         struct hwsim_phy *phy, *tmp;
>         int err, i;
>
> -       for (i = 0; i < 2; i++) {
> +       for (i = 0; i < radios; i++) {
>                 err = hwsim_add_one(NULL, &pdev->dev, true);
>                 if (err < 0)
>                         goto err_slave;
>         }
>
> -       dev_info(&pdev->dev, "Added 2 mac802154 hwsim hardware radios\n");
> +       dev_info(&pdev->dev, "Added %d mac802154 hwsim hardware radios\n", 
> radios);

%u ?

- Alex


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