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Re: [PATCH] wifi: mac80211: Improve bss-color configuration.

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On 3/7/2024 10:10 AM, greearb@xxxxxxxxxxxxxxx wrote:
> From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
> 
> Always tell driver to apply bss color settings if beacon indicates
> the bss coloring has been set.

why? please describe the problem you are fixing

> 
> And only enable bss coloring if beacon indicates bss color setting
> is valid and also enabled.
> 
> Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
> ---
>  net/mac80211/cfg.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
> index 327682995c92..aaa62c05428c 100644
> --- a/net/mac80211/cfg.c
> +++ b/net/mac80211/cfg.c
> @@ -1314,7 +1314,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
>  			      IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
>  		changed |= BSS_CHANGED_HE_OBSS_PD;
>  
> -		if (params->beacon.he_bss_color.enabled)
> +		if (params->beacon.he_bss_color_valid)
>  			changed |= BSS_CHANGED_HE_BSS_COLOR;
>  	}
>  
> @@ -1494,6 +1494,7 @@ static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
>  	int err;
>  	struct ieee80211_bss_conf *link_conf;
>  	u64 changed = 0;
> +	bool color_en;
>  
>  	lockdep_assert_wiphy(wiphy);
>  
> @@ -1530,9 +1531,9 @@ static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
>  	if (err < 0)
>  		return err;
>  
> -	if (beacon->he_bss_color_valid &&
> -	    beacon->he_bss_color.enabled != link_conf->he_bss_color.enabled) {
> -		link_conf->he_bss_color.enabled = beacon->he_bss_color.enabled;
> +	color_en = beacon->he_bss_color.enabled && beacon->he_bss_color_valid;
> +	if (color_en != link_conf->he_bss_color.enabled) {
> +		link_conf->he_bss_color.enabled = color_en;
>  		changed |= BSS_CHANGED_HE_BSS_COLOR;
>  	}
>  





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