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			54 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From: Felix Fietkau <nbd@nbd.name>
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| Date: Fri, 23 Feb 2018 10:01:53 +0100
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| Subject: [PATCH] mac80211: support fast-rx with incompatible PS
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|  capabilities when PS is disabled
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| 
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| When powersave is disabled for the interface, we can do fast-rx anyway.
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| 
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| Signed-off-by: Felix Fietkau <nbd@nbd.name>
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| ---
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| 
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| --- a/net/mac80211/cfg.c
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| +++ b/net/mac80211/cfg.c
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| @@ -2658,6 +2658,7 @@ static int ieee80211_set_power_mgmt(stru
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|  
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|  	ieee80211_recalc_ps(local);
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|  	ieee80211_recalc_ps_vif(sdata);
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| +	ieee80211_check_fast_rx_iface(sdata);
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|  
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|  	return 0;
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|  }
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| --- a/net/mac80211/rx.c
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| +++ b/net/mac80211/rx.c
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| @@ -3741,12 +3741,7 @@ void ieee80211_check_fast_rx(struct sta_
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|  		/* 4-addr is harder to deal with, later maybe */
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|  		if (sdata->u.mgd.use_4addr)
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|  			goto clear;
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| -		/* software powersave is a huge mess, avoid all of it */
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| -		if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))
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| -			goto clear;
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| -		if (ieee80211_hw_check(&local->hw, SUPPORTS_PS) &&
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| -		    !ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
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| -			goto clear;
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| +
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|  		if (sta->sta.tdls) {
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|  			fastrx.da_offs = offsetof(struct ieee80211_hdr, addr1);
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|  			fastrx.sa_offs = offsetof(struct ieee80211_hdr, addr2);
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| @@ -3758,6 +3753,16 @@ void ieee80211_check_fast_rx(struct sta_
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|  			fastrx.expected_ds_bits =
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|  				cpu_to_le16(IEEE80211_FCTL_FROMDS);
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|  		}
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| +
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| +		if (!sdata->u.mgd.powersave)
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| +		    break;
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| +
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| +		/* software powersave is a huge mess, avoid all of it */
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| +		if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))
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| +			goto clear;
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| +		if (ieee80211_hw_check(&local->hw, SUPPORTS_PS) &&
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| +		    !ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
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| +			goto clear;
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|  		break;
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|  	case NL80211_IFTYPE_AP_VLAN:
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|  	case NL80211_IFTYPE_AP:
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