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Re: [RFC/RFT 2/4] mt76x02: reserve wcid 0 for global traffic

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> Restore behaviour on mt76x0 before commit  1bb04bb4b838 ("mt76: move
> mt76x02_init_device in mt76x02-lib module"). This will allow to use
> wcid 1 for AP when we work in station mode. It's not clear if this
> is needed, but this is how vendor driver assign wcid's in STA mode.
> This should be harmless for mt76x2.
>
> Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
> ---
>  drivers/net/wireless/mediatek/mt76/mt76x02_util.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
> index 2be4b527477f..e624397b3d8b 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
> @@ -113,7 +113,11 @@ void mt76x02_init_device(struct mt76x02_dev *dev)
>         ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES);
>         ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
>
> -       dev->mt76.global_wcid.idx = 255;
> +       /* Reserve WCID 0 for mcast - thanks to this APs WCID will go to
> +        * entry no. 1 like it does in the vendor driver.
> +        */
> +       dev->mt76.wcid_mask[0] |= 1;
> +       dev->mt76.global_wcid.idx = 0;
>         dev->mt76.global_wcid.hw_key_idx = -1;
>         dev->slottime = 9;
>

Does it make any difference in AP mode? What about using 0 instead of
255 for global_wcid.idx?

Regards,
Lorenzo

> --
> 1.9.3
>



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