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From:   Jouni Malinen <jouni@codeaurora.org>
To:     Kalle Valo <kvalo@codeaurora.org>
Cc:     ath9k-devel@qca.qualcomm.com, linux-wireless@vger.kernel.org,
        Jouni Malinen <jouni@codeaurora.org>
Subject: [PATCH 2/2] ath9k_htc: Set RX filter based to allow broadcast Action frame RX
Date:   Sun, 26 Apr 2020 11:47:33 +0300
Message-Id: <20200426084733.7889-2-jouni@codeaurora.org>
In-Reply-To: <20200426084733.7889-1-jouni@codeaurora.org>
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Advertise support for multicast frame registration and update the RX
filter based on the recently added FIF_MCAST_ACTION to allow broadcast
Action frames to be received. This is needed for Device Provisioning
Protocol (DPP) use cases that use broadcast Public Action frames.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
---
 drivers/net/wireless/ath/ath9k/htc_drv_init.c | 2 ++
 drivers/net/wireless/ath/ath9k/htc_drv_main.c | 1 +
 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 3 ++-
 3 files changed, 5 insertions(+), 1 deletion(-)

This depends on "mac80211: Process multicast RX registration for Action
frames" from mac80211-next.

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index d961095ab01f..3fdaaf74acfe 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -780,6 +780,8 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
 	SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
 
 	wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+	wiphy_ext_feature_set(hw->wiphy,
+			      NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS);
 }
 
 static int ath9k_init_firmware_version(struct ath9k_htc_priv *priv)
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 791f6633667c..2b7832b1c800 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1251,6 +1251,7 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
 	FIF_OTHER_BSS |				\
 	FIF_BCN_PRBRESP_PROMISC |		\
 	FIF_PROBE_REQ |				\
+	FIF_MCAST_ACTION |			\
 	FIF_FCSFAIL)
 
 static void ath9k_htc_configure_filter(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 9cec5c216e1f..10dfc01ddedd 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -893,7 +893,8 @@ u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv)
 	if (priv->rxfilter & FIF_PSPOLL)
 		rfilt |= ATH9K_RX_FILTER_PSPOLL;
 
-	if (priv->nvifs > 1 || priv->rxfilter & FIF_OTHER_BSS)
+	if (priv->nvifs > 1 ||
+	    priv->rxfilter & (FIF_OTHER_BSS | FIF_MCAST_ACTION))
 		rfilt |= ATH9K_RX_FILTER_MCAST_BCAST_ALL;
 
 	return rfilt;
-- 
2.20.1