On Sun, 2024-06-30 at 09:50 +0200, Felix Fietkau wrote:
> This registers one wiphy radio per supported band. Number of different
> channels is set per radio.
>
> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
> ---
> drivers/net/wireless/virtual/mac80211_hwsim.c | 78 +++++++++++++++++---
> drivers/net/wireless/virtual/mac80211_hwsim.h | 4 +-
> 2 files changed, 71 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/net/wireless/virtual/mac80211_hwsim.c b/drivers/net/wireless/virtual/mac80211_hwsim.c
> index 8491eb32f760..50aa2f838e9e 100644
> --- a/drivers/net/wireless/virtual/mac80211_hwsim.c
> +++ b/drivers/net/wireless/virtual/mac80211_hwsim.c
> @@ -69,6 +69,9 @@ static bool mlo;
> module_param(mlo, bool, 0444);
> MODULE_PARM_DESC(mlo, "Support MLO");
>
> +static bool multi_radio;
> +module_param(multi_radio, bool, 0444);
> +MODULE_PARM_DESC(mlo, "Support Multiple Radios per wiphy");
> /**
nit: keep a blank line
> @@ -5423,8 +5442,41 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
> mac80211_hwsim_sband_capab(sband);
>
> hw->wiphy->bands[band] = sband;
> +
> + if (!param->multi_radio)
> + continue;
> +
> + if (WARN_ON_ONCE(n_bands >= ARRAY_SIZE(data->radio))) {
Not sure you should WARN_ON for userspace stuff; it's hwsim, but syzbot
will complain. Could use GENL_SET_ERR_MSG() though.
johannes
