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mac80211: support fast-rx with incompatible PS capabilities when PS is disabled

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When powersave is disabled for the interface, we can do fast-rx anyway.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
[fixed indentation on one line]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Felix Fietkau 2018-02-23 10:06:05 +01:00 committed by Johannes Berg
parent 59cae5b9d6
commit 1d87016241
2 changed files with 12 additions and 6 deletions
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1
net/mac80211/cfg.c
View File

@ -2685,6 +2685,7 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
ieee80211_recalc_ps(local);
ieee80211_recalc_ps_vif(sdata);
ieee80211_check_fast_rx_iface(sdata);
return 0;
}

17
net/mac80211/rx.c
View File

@ -3750,12 +3750,7 @@ void ieee80211_check_fast_rx(struct sta_info *sta)
/* 4-addr is harder to deal with, later maybe */
if (sdata->u.mgd.use_4addr)
goto clear;
/* software powersave is a huge mess, avoid all of it */
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))
goto clear;
if (ieee80211_hw_check(&local->hw, SUPPORTS_PS) &&
!ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
goto clear;
if (sta->sta.tdls) {
fastrx.da_offs = offsetof(struct ieee80211_hdr, addr1);
fastrx.sa_offs = offsetof(struct ieee80211_hdr, addr2);
@ -3767,6 +3762,16 @@ void ieee80211_check_fast_rx(struct sta_info *sta)
fastrx.expected_ds_bits =
cpu_to_le16(IEEE80211_FCTL_FROMDS);
}
if (!sdata->u.mgd.powersave)
break;
/* software powersave is a huge mess, avoid all of it */
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))
goto clear;
if (ieee80211_hw_check(&local->hw, SUPPORTS_PS) &&
!ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
goto clear;
break;
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_AP: