Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/…

…git/jberg/mac80211-next

Conflicts:
	net/mac80211/chan.c

Documentation/DocBook/80211.tmpl

@@ -100,6 +100,7 @@
 !Finclude/net/cfg80211.h wdev_priv
 !Finclude/net/cfg80211.h ieee80211_iface_limit
 !Finclude/net/cfg80211.h ieee80211_iface_combination
+!Finclude/net/cfg80211.h cfg80211_check_combinations
       </chapter>
       <chapter>
       <title>Actions and configuration</title>

drivers/net/wireless/ath/ar5523/ar5523.c

@@ -1090,7 +1090,8 @@ static int ar5523_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
 	return ret;
 }
 
-static void ar5523_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void ar5523_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			 u32 queues, bool drop)
 {
 	struct ar5523 *ar = hw->priv;
 

drivers/net/wireless/ath/ath10k/mac.c

@@ -3635,7 +3635,8 @@ static int ath10k_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
 	return ret;
 }
 
-static void ath10k_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			 u32 queues, bool drop)
 {
 	struct ath10k *ar = hw->priv;
 	bool skip;

drivers/net/wireless/ath/ath9k/main.c

@@ -1989,7 +1989,8 @@ static bool ath9k_has_tx_pending(struct ath_softc *sc)
 	return !!npend;
 }
 
-static void ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void ath9k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			u32 queues, bool drop)
 {
 	struct ath_softc *sc = hw->priv;
 	struct ath_hw *ah = sc->sc_ah;

drivers/net/wireless/ath/carl9170/main.c

@@ -1707,7 +1707,9 @@ static int carl9170_op_get_survey(struct ieee80211_hw *hw, int idx,
 	return 0;
 }
 
-static void carl9170_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void carl9170_op_flush(struct ieee80211_hw *hw,
+			      struct ieee80211_vif *vif,
+			      u32 queues, bool drop)
 {
 	struct ar9170 *ar = hw->priv;
 	unsigned int vid;

drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c

@@ -897,7 +897,8 @@ static bool brcms_tx_flush_completed(struct brcms_info *wl)
 	return result;
 }
 
-static void brcms_ops_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void brcms_ops_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			    u32 queues, bool drop)
 {
 	struct brcms_info *wl = hw->priv;
 	int ret;

drivers/net/wireless/cw1200/sta.c

@@ -936,7 +936,8 @@ static int __cw1200_flush(struct cw1200_common *priv, bool drop)
 	return ret;
 }
 
-void cw1200_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+void cw1200_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		  u32 queues, bool drop)
 {
 	struct cw1200_common *priv = hw->priv;
 

drivers/net/wireless/cw1200/sta.h

@@ -40,7 +40,8 @@ int cw1200_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd,
 
 int cw1200_set_rts_threshold(struct ieee80211_hw *hw, u32 value);
 
-void cw1200_flush(struct ieee80211_hw *hw, u32 queues, bool drop);
+void cw1200_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		  u32 queues, bool drop);
 
 u64 cw1200_prepare_multicast(struct ieee80211_hw *hw,
 			     struct netdev_hw_addr_list *mc_list);

drivers/net/wireless/iwlegacy/common.c

@@ -4755,7 +4755,8 @@ il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 }
 EXPORT_SYMBOL(il_mac_change_interface);
 
-void il_mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+void il_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		  u32 queues, bool drop)
 {
 	struct il_priv *il = hw->priv;
 	unsigned long timeout = jiffies + msecs_to_jiffies(500);

drivers/net/wireless/iwlegacy/common.h

@@ -1723,7 +1723,8 @@ void il_mac_remove_interface(struct ieee80211_hw *hw,
 			     struct ieee80211_vif *vif);
 int il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			    enum nl80211_iftype newtype, bool newp2p);
-void il_mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop);
+void il_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		  u32 queues, bool drop);
 int il_alloc_txq_mem(struct il_priv *il);
 void il_free_txq_mem(struct il_priv *il);
 

drivers/net/wireless/iwlwifi/dvm/mac80211.c

@@ -1091,7 +1091,8 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw,
 			FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL;
 }
 
-static void iwlagn_mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void iwlagn_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			     u32 queues, bool drop)
 {
 	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
 

drivers/net/wireless/mac80211_hwsim.c

@@ -1676,7 +1676,9 @@ static int mac80211_hwsim_ampdu_action(struct ieee80211_hw *hw,
 	return 0;
 }
 
-static void mac80211_hwsim_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void mac80211_hwsim_flush(struct ieee80211_hw *hw,
+				 struct ieee80211_vif *vif,
+				 u32 queues, bool drop)
 {
 	/* Not implemented, queues only on kernel side */
 }
@@ -2056,6 +2058,7 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2,
 			    WIPHY_FLAG_AP_UAPSD |
 			    WIPHY_FLAG_HAS_CHANNEL_SWITCH;
 	hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
+	hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
 
 	/* ask mac80211 to reserve space for magic */
 	hw->vif_data_size = sizeof(struct hwsim_vif_priv);

drivers/net/wireless/p54/main.c

@@ -669,7 +669,8 @@ static unsigned int p54_flush_count(struct p54_common *priv)
 	return total;
 }
 
-static void p54_flush(struct ieee80211_hw *dev, u32 queues, bool drop)
+static void p54_flush(struct ieee80211_hw *dev, struct ieee80211_vif *vif,
+		      u32 queues, bool drop)
 {
 	struct p54_common *priv = dev->priv;
 	unsigned int total, i;

drivers/net/wireless/rt2x00/rt2x00.h

@@ -1448,7 +1448,8 @@ int rt2x00mac_conf_tx(struct ieee80211_hw *hw,
 		      struct ieee80211_vif *vif, u16 queue,
 		      const struct ieee80211_tx_queue_params *params);
 void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw);
-void rt2x00mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop);
+void rt2x00mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		     u32 queues, bool drop);
 int rt2x00mac_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant);
 int rt2x00mac_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
 void rt2x00mac_get_ringparam(struct ieee80211_hw *hw,

drivers/net/wireless/rt2x00/rt2x00mac.c

@@ -747,7 +747,8 @@ void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw)
 }
 EXPORT_SYMBOL_GPL(rt2x00mac_rfkill_poll);
 
-void rt2x00mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+void rt2x00mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		     u32 queues, bool drop)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
 	struct data_queue *queue;

drivers/net/wireless/rtlwifi/core.c

@@ -1387,7 +1387,8 @@ static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
  * before switch channel or power save, or tx buffer packet
  * maybe send after offchannel or rf sleep, this may cause
  * dis-association by AP */
-static void rtl_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void rtl_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			 u32 queues, bool drop)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 

drivers/net/wireless/ti/wlcore/main.c

@@ -5184,7 +5184,8 @@ static void wl12xx_op_channel_switch(struct ieee80211_hw *hw,
 	mutex_unlock(&wl->mutex);
 }
 
-static void wlcore_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void wlcore_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			    u32 queues, bool drop)
 {
 	struct wl1271 *wl = hw->priv;
 

drivers/staging/rtl8821ae/core.c

@@ -1414,23 +1414,15 @@ static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
  * before switch channel or power save, or tx buffer packet
  * maybe send after offchannel or rf sleep, this may cause
  * dis-association by AP */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
-static void rtl_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void rtl_op_flush(struct ieee80211_hw *hw,
+			 struct ieee80211_vif *vif,
+			 u32 queues, bool drop)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 
 	if (rtlpriv->intf_ops->flush)
 		rtlpriv->intf_ops->flush(hw, queues, drop);
 }
-#else
-static void rtl_op_flush(struct ieee80211_hw *hw, bool drop)
-{
-	struct rtl_priv *rtlpriv = rtl_priv(hw);
-
-	if (rtlpriv->intf_ops->flush)
-		rtlpriv->intf_ops->flush(hw, drop);
-}
-#endif
 
 const struct ieee80211_ops rtl_ops = {
 	.start = rtl_op_start,

include/net/cfg80211.h

@@ -109,6 +109,13 @@ enum ieee80211_band {
  *	channel as the control or any of the secondary channels.
  *	This may be due to the driver or due to regulatory bandwidth
  *	restrictions.
+ * @IEEE80211_CHAN_INDOOR_ONLY: see %NL80211_FREQUENCY_ATTR_INDOOR_ONLY
+ * @IEEE80211_CHAN_GO_CONCURRENT: see %NL80211_FREQUENCY_ATTR_GO_CONCURRENT
+ * @IEEE80211_CHAN_NO_20MHZ: 20 MHz bandwidth is not permitted
+ *	on this channel.
+ * @IEEE80211_CHAN_NO_10MHZ: 10 MHz bandwidth is not permitted
+ *	on this channel.
+ *
  */
 enum ieee80211_channel_flags {
 	IEEE80211_CHAN_DISABLED		= 1<<0,
@@ -120,6 +127,10 @@ enum ieee80211_channel_flags {
 	IEEE80211_CHAN_NO_OFDM		= 1<<6,
 	IEEE80211_CHAN_NO_80MHZ		= 1<<7,
 	IEEE80211_CHAN_NO_160MHZ	= 1<<8,
+	IEEE80211_CHAN_INDOOR_ONLY	= 1<<9,
+	IEEE80211_CHAN_GO_CONCURRENT	= 1<<10,
+	IEEE80211_CHAN_NO_20MHZ		= 1<<11,
+	IEEE80211_CHAN_NO_10MHZ		= 1<<12,
 };
 
 #define IEEE80211_CHAN_NO_HT40 \
@@ -441,10 +452,13 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
  * cfg80211_chandef_dfs_required - checks if radar detection is required
  * @wiphy: the wiphy to validate against
  * @chandef: the channel definition to check
- * Return: 1 if radar detection is required, 0 if it is not, < 0 on error
+ * @iftype: the interface type as specified in &enum nl80211_iftype
+ * Returns:
+ *	1 if radar detection is required, 0 if it is not, < 0 on error
  */
 int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
-				  const struct cfg80211_chan_def *chandef);
+				  const struct cfg80211_chan_def *chandef,
+				  enum nl80211_iftype);
 
 /**
  * ieee80211_chandef_rate_flags - returns rate flags for a channel
@@ -654,7 +668,6 @@ struct cfg80211_acl_data {
  * @p2p_opp_ps: P2P opportunistic PS
  * @acl: ACL configuration used by the drivers which has support for
  *	MAC address based access control
- * @radar_required: set if radar detection is required
  */
 struct cfg80211_ap_settings {
 	struct cfg80211_chan_def chandef;
@@ -672,7 +685,6 @@ struct cfg80211_ap_settings {
 	u8 p2p_ctwindow;
 	bool p2p_opp_ps;
 	const struct cfg80211_acl_data *acl;
-	bool radar_required;
 };
 
 /**
@@ -2278,6 +2290,10 @@ struct cfg80211_qos_map {
  * @channel_switch: initiate channel-switch procedure (with CSA)
  *
  * @set_qos_map: Set QoS mapping information to the driver
+ *
+ * @set_ap_chanwidth: Set the AP (including P2P GO) mode channel width for the
+ *	given interface This is used e.g. for dynamic HT 20/40 MHz channel width
+ *	changes during the lifetime of the BSS.
  */
 struct cfg80211_ops {
 	int	(*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -2521,9 +2537,13 @@ struct cfg80211_ops {
 	int	(*channel_switch)(struct wiphy *wiphy,
 				  struct net_device *dev,
 				  struct cfg80211_csa_settings *params);
+
 	int     (*set_qos_map)(struct wiphy *wiphy,
 			       struct net_device *dev,
 			       struct cfg80211_qos_map *qos_map);
+
+	int	(*set_ap_chanwidth)(struct wiphy *wiphy, struct net_device *dev,
+				    struct cfg80211_chan_def *chandef);
 };
 
 /*
@@ -3194,6 +3214,7 @@ struct cfg80211_cached_keys;
  * @ibss_dfs_possible: (private) IBSS may change to a DFS channel
  * @event_list: (private) list for internal event processing
  * @event_lock: (private) lock for event list
+ * @owner_nlportid: (private) owner socket port ID
  */
 struct wireless_dev {
 	struct wiphy *wiphy;
@@ -3241,6 +3262,8 @@ struct wireless_dev {
 	unsigned long cac_start_time;
 	unsigned int cac_time_ms;
 
+	u32 owner_nlportid;
+
 #ifdef CONFIG_CFG80211_WEXT
 	/* wext data */
 	struct {
@@ -3600,7 +3623,7 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2);
  * default channel settings will be disregarded. If no rule is found for a
  * channel on the regulatory domain the channel will be disabled.
  * Drivers using this for a wiphy should also set the wiphy flag
- * WIPHY_FLAG_CUSTOM_REGULATORY or cfg80211 will set it for the wiphy
+ * REGULATORY_CUSTOM_REG or cfg80211 will set it for the wiphy
  * that called this helper.
  */
 void wiphy_apply_custom_regulatory(struct wiphy *wiphy,
@@ -4531,12 +4554,14 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy,
  * cfg80211_reg_can_beacon - check if beaconing is allowed
  * @wiphy: the wiphy
  * @chandef: the channel definition
+ * @iftype: interface type
  *
  * Return: %true if there is no secondary channel or the secondary channel(s)
  * can be used for beaconing (i.e. is not a radar channel etc.)
  */
 bool cfg80211_reg_can_beacon(struct wiphy *wiphy,
-			     struct cfg80211_chan_def *chandef);
+			     struct cfg80211_chan_def *chandef,
+			     enum nl80211_iftype iftype);
 
 /*
  * cfg80211_ch_switch_notify - update wdev channel and notify userspace
@@ -4682,6 +4707,55 @@ void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp);
  */
 unsigned int ieee80211_get_num_supported_channels(struct wiphy *wiphy);
 
+/**
+ * cfg80211_check_combinations - check interface combinations
+ *
+ * @wiphy: the wiphy
+ * @num_different_channels: the number of different channels we want
+ *	to use for verification
+ * @radar_detect: a bitmap where each bit corresponds to a channel
+ *	width where radar detection is needed, as in the definition of
+ *	&struct ieee80211_iface_combination.@radar_detect_widths
+ * @iftype_num: array with the numbers of interfaces of each interface
+ *	type.  The index is the interface type as specified in &enum
+ *	nl80211_iftype.
+ *
+ * This function can be called by the driver to check whether a
+ * combination of interfaces and their types are allowed according to
+ * the interface combinations.
+ */
+int cfg80211_check_combinations(struct wiphy *wiphy,
+				const int num_different_channels,
+				const u8 radar_detect,
+				const int iftype_num[NUM_NL80211_IFTYPES]);
+
+/**
+ * cfg80211_iter_combinations - iterate over matching combinations
+ *
+ * @wiphy: the wiphy
+ * @num_different_channels: the number of different channels we want
+ *	to use for verification
+ * @radar_detect: a bitmap where each bit corresponds to a channel
+ *	width where radar detection is needed, as in the definition of
+ *	&struct ieee80211_iface_combination.@radar_detect_widths
+ * @iftype_num: array with the numbers of interfaces of each interface
+ *	type.  The index is the interface type as specified in &enum
+ *	nl80211_iftype.
+ * @iter: function to call for each matching combination
+ * @data: pointer to pass to iter function
+ *
+ * This function can be called by the driver to check what possible
+ * combinations it fits in at a given moment, e.g. for channel switching
+ * purposes.
+ */
+int cfg80211_iter_combinations(struct wiphy *wiphy,
+			       const int num_different_channels,
+			       const u8 radar_detect,
+			       const int iftype_num[NUM_NL80211_IFTYPES],
+			       void (*iter)(const struct ieee80211_iface_combination *c,
+					    void *data),
+			       void *data);
+
 /* Logging, debugging and troubleshooting/diagnostic helpers. */
 
 /* wiphy_printk helpers, similar to dev_printk */