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Re: [PATCH 1/1 V2] mac80211: Fix ieee80211_rx_reorder_ampdu: ignore QoS null packets

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On Mon, 2008-07-07 at 15:48 +0300, Tomas Winkler wrote:
> From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
> 
> This patch fixes the check at the entrance to ieee80211_rx_reorder_ampdu.
> This check has been broken by 511fe3f3c4ba0b5b77421336f64a19b6cd00e65f
> 'mac80211: rx.c use new helpers'
> 
Actually, do we want something like this instead:

> diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
> index 6a88e8f..a6e8214 100644
> --- a/net/mac80211/rx.c
> +++ b/net/mac80211/rx.c
> @@ -2052,7 +2052,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
>  	tid_agg_rx = sta->ampdu_mlme.tid_rx[tid];
>  
>  	/* null data frames are excluded */
> -	if (unlikely(ieee80211_is_nullfunc(hdr->frame_control)))
> +	if (unlikely(ieee80211_is_qos_nullfunc(hdr->frame_control)))
>  		goto end_reorder;
>  
>  	/* new un-ordered ampdu frame - process it */

	if (unlikely(ieee80211_is_data(hdr->frame_control) && (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC))))

Or wrap the above in a ieee80211_is_data_has_nullfunc() helper?

Cheers,

Harvey


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