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Re: [PATCH 4/6] mt76: mt7615: unlock dfs bands

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Lorenzo Bianconi <lorenzo@xxxxxxxxxx> writes:

> Unlock dfs channels since now mt7615 driver supports radar detection
>
> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
> ---
>  drivers/net/wireless/mediatek/mt76/mt7615/init.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
> index 5dc4cced5789..6d336d82cafe 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
> @@ -152,6 +152,12 @@ static const struct ieee80211_iface_combination if_comb[] = {
>  		.max_interfaces = 4,
>  		.num_different_channels = 1,
>  		.beacon_int_infra_match = true,
> +		.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
> +				       BIT(NL80211_CHAN_WIDTH_20) |
> +				       BIT(NL80211_CHAN_WIDTH_40) |
> +				       BIT(NL80211_CHAN_WIDTH_80) |
> +				       BIT(NL80211_CHAN_WIDTH_160) |
> +				       BIT(NL80211_CHAN_WIDTH_80P80),

Isn't it questionable to enable these without any testing on real
hardware? Getting DFS to work correctly is hard so I'm very suspicious
about this.

-- 
Kalle Valo



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