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mt76x02: disable HW encryption for group frames

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This is required to sent multicast/broadcast frames in USB AP
mode just after beacon.

Signed-off-by: Stanislaw Gruszka <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Stanislaw Gruszka
2019-03-24 08:22:22 +01:00
committed by Felix Fietkau
parent dcccc04adc
commit 5ac52890d9
1 changed files with 10 additions and 0 deletions
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mt76x02_util.c
+10
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@@ -425,6 +425,16 @@ int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
return -EOPNOTSUPP;
/*
* In USB AP mode, broadcast/multicast frames are setup in beacon
* data registers and sent via HW beacons engine, they require to
* be already encrypted.
*/
if (mt76_is_usb(dev) &&
vif->type == NL80211_IFTYPE_AP &&
!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
return -EOPNOTSUPP;
msta = sta ? (struct mt76x02_sta *) sta->drv_priv : NULL;
wcid = msta ? &msta->wcid : &mvif->group_wcid;