mac80211: fix management frame protection issue with mt76 (and possibly other drivers)
Software crypto wasn't working for management frames because the flag indicating management frame crypto was missing Signed-off-by: Felix Fietkau <nbd@nbd.name>
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From: Felix Fietkau <nbd@nbd.name>
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Date: Sat, 29 Sep 2018 15:55:44 +0200
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Subject: [PATCH] mac80211: fix setting IEEE80211_KEY_FLAG_RX_MGMT for AP mode
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keys
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key->sta is only valid after ieee80211_key_link, which is called later
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in this function. Because of that, the IEEE80211_KEY_FLAG_RX_MGMT is
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never set when management frame protection is enabled.
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Fixes: e548c49e6dc6b ("mac80211: add key flag for management keys")
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Cc: stable@vger.kernel.org
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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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@@ -427,7 +427,7 @@ static int ieee80211_add_key(struct wiph
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case NL80211_IFTYPE_AP:
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case NL80211_IFTYPE_AP_VLAN:
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/* Keys without a station are used for TX only */
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- if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
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+ if (sta && test_sta_flag(sta, WLAN_STA_MFP))
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key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
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break;
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case NL80211_IFTYPE_ADHOC:
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