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-rw-r--r--package/kernel/mac80211/patches/subsys/366-mac80211-accept-deauth-frames-in-IBSS-mode.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/366-mac80211-accept-deauth-frames-in-IBSS-mode.patch b/package/kernel/mac80211/patches/subsys/366-mac80211-accept-deauth-frames-in-IBSS-mode.patch
new file mode 100644
index 0000000000..292cf55843
--- /dev/null
+++ b/package/kernel/mac80211/patches/subsys/366-mac80211-accept-deauth-frames-in-IBSS-mode.patch
@@ -0,0 +1,39 @@
+From 95697f9907bfe3eab0ef20265a766b22e27dde64 Mon Sep 17 00:00:00 2001
+From: Johannes Berg <johannes.berg@intel.com>
+Date: Fri, 4 Oct 2019 15:37:05 +0300
+Subject: [PATCH] mac80211: accept deauth frames in IBSS mode
+
+We can process deauth frames and all, but we drop them very
+early in the RX path today - this could never have worked.
+
+Fixes: 2cc59e784b54 ("mac80211: reply to AUTH with DEAUTH if sta allocation fails in IBSS")
+Signed-off-by: Johannes Berg <johannes.berg@intel.com>
+Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
+Link: https://lore.kernel.org/r/20191004123706.15768-2-luca@coelho.fi
+Signed-off-by: Johannes Berg <johannes.berg@intel.com>
+---
+ net/mac80211/rx.c | 11 ++++++++++-
+ 1 file changed, 10 insertions(+), 1 deletion(-)
+
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -3407,9 +3407,18 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+ case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
+ /* process for all: mesh, mlme, ibss */
+ break;
++ case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
++ if (is_multicast_ether_addr(mgmt->da) &&
++ !is_broadcast_ether_addr(mgmt->da))
++ return RX_DROP_MONITOR;
++
++ /* process only for station/IBSS */
++ if (sdata->vif.type != NL80211_IFTYPE_STATION &&
++ sdata->vif.type != NL80211_IFTYPE_ADHOC)
++ return RX_DROP_MONITOR;
++ break;
+ case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
+ case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
+- case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
+ case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
+ if (is_multicast_ether_addr(mgmt->da) &&
+ !is_broadcast_ether_addr(mgmt->da))