On Fri Apr 12, 2024 at 10:53 AM CEST, Mingyen Hsieh wrote:
> From: Leon Yen <leon.yen@xxxxxxxxxxxx>
>
> Some countries have strict RF restrictions where changing the regulatory
> domain dynamically based on the connected AP is not acceptable.
> This patch disables Beacon country IE hinting when a valid country code
> is set from usersland (e.g., by system using iw or CRDA).
I always had trouble fully understanding the regulation but isn't the country
code IE sole purpose to adapt the regulatory of the client ?
>
> Signed-off-by: Leon Yen <leon.yen@xxxxxxxxxxxx>
> Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@xxxxxxxxxxxx>
> ---
> drivers/net/wireless/mediatek/mt76/mt7921/init.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
> index ef0c721d26e3..3c9a5fcd6924 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
> @@ -135,6 +135,13 @@ mt7921_regd_notifier(struct wiphy *wiphy,
> dev->mt76.region = request->dfs_region;
> dev->country_ie_env = request->country_ie_env;
>
> + if (request->initiator == NL80211_REGDOM_SET_BY_USER) {
> + if (dev->mt76.alpha2[0] == '0' && dev->mt76.alpha2[1] == '0')
> + wiphy->regulatory_flags &= ~REGULATORY_COUNTRY_IE_IGNORE;
> + else
> + wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE;
> + }
> +
> if (pm->suspended)
> return;
>
