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53 lines
1.6 KiB
53 lines
1.6 KiB
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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When powersave is disabled for the interface, we can do fast-rx anyway.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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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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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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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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