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Re: [PATCH] mac80211: minstrel_ht: fix minstrel_aggr_check for encap offload

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On 2021-04-27 04:20, Ryder Lee wrote:
> Avoid checking ieee80211_hdr to support encap offload.
> 
> Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
> ---
>  net/mac80211/rc80211_minstrel_ht.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
> index ecad9b10984f..02a6648aba54 100644
> --- a/net/mac80211/rc80211_minstrel_ht.c
> +++ b/net/mac80211/rc80211_minstrel_ht.c
> @@ -1180,20 +1180,19 @@ minstrel_downgrade_rate(struct minstrel_ht_sta *mi, u16 *idx, bool primary)
>  static void
>  minstrel_aggr_check(struct ieee80211_sta *pubsta, struct sk_buff *skb)
>  {
> -	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
>  	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
>  	u16 tid;
>  
>  	if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO)
>  		return;
>  
> -	if (unlikely(!ieee80211_is_data_qos(hdr->frame_control)))
> +	if (unlikely(!pubsta->wme))
The ieee80211_is_data_qos check should still be performed for
non-offloaded packets to avoid triggering on management frames.

- Felix



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