Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

2 files changed, 109 insertions, 55 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 542a477a94d..add79930f47 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -988,6 +988,15 @@ struct cfg80211_pmksa {
  *
  * @dump_survey: get site survey information.
  *
+ * @remain_on_channel: Request the driver to remain awake on the specified
+ *	channel for the specified duration to complete an off-channel
+ *	operation (e.g., public action frame exchange). When the driver is
+ *	ready on the requested channel, it must indicate this with an event
+ *	notification by calling cfg80211_ready_on_channel().
+ * @cancel_remain_on_channel: Cancel an on-going remain-on-channel operation.
+ *	This allows the operation to be terminated prior to timeout based on
+ *	the duration value.
+ *
  * @testmode_cmd: run a test mode command
  *
  * @set_pmksa: Cache a PMKID for a BSSID. This is mostly useful for fullmac
@@ -1123,6 +1132,16 @@ struct cfg80211_ops {
 			     struct cfg80211_pmksa *pmksa);
 	int	(*flush_pmksa)(struct wiphy *wiphy, struct net_device *netdev);
 
+	int	(*remain_on_channel)(struct wiphy *wiphy,
+				     struct net_device *dev,
+				     struct ieee80211_channel *chan,
+				     enum nl80211_channel_type channel_type,
+				     unsigned int duration,
+				     u64 *cookie);
+	int	(*cancel_remain_on_channel)(struct wiphy *wiphy,
+					    struct net_device *dev,
+					    u64 cookie);
+
 	/* some temporary stuff to finish wext */
 	int	(*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
 				  bool enabled, int timeout);
@@ -2147,5 +2166,45 @@ void cfg80211_roamed(struct net_device *dev, const u8 *bssid,
 void cfg80211_disconnected(struct net_device *dev, u16 reason,
 			   u8 *ie, size_t ie_len, gfp_t gfp);
 
+/**
+ * cfg80211_ready_on_channel - notification of remain_on_channel start
+ * @dev: network device
+ * @cookie: the request cookie
+ * @chan: The current channel (from remain_on_channel request)
+ * @channel_type: Channel type
+ * @duration: Duration in milliseconds that the driver intents to remain on the
+ *	channel
+ * @gfp: allocation flags
+ */
+void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie,
+			       struct ieee80211_channel *chan,
+			       enum nl80211_channel_type channel_type,
+			       unsigned int duration, gfp_t gfp);
+
+/**
+ * cfg80211_remain_on_channel_expired - remain_on_channel duration expired
+ * @dev: network device
+ * @cookie: the request cookie
+ * @chan: The current channel (from remain_on_channel request)
+ * @channel_type: Channel type
+ * @gfp: allocation flags
+ */
+void cfg80211_remain_on_channel_expired(struct net_device *dev,
+					u64 cookie,
+					struct ieee80211_channel *chan,
+					enum nl80211_channel_type channel_type,
+					gfp_t gfp);
+
+
+/**
+ * cfg80211_new_sta - notify userspace about station
+ *
+ * @dev: the netdev
+ * @mac_addr: the station's address
+ * @sinfo: the station information
+ * @gfp: allocation flags
+ */
+void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
+		      struct station_info *sinfo, gfp_t gfp);
 
 #endif /* __NET_CFG80211_H */
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 494ac69ff47..f073a2a5057 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -547,7 +547,6 @@ enum mac80211_rx_flags {
  *	unspecified depending on the hardware capabilities flags
  *	@IEEE80211_HW_SIGNAL_*
  * @noise: noise when receiving this frame, in dBm.
- * @qual: overall signal quality indication, in percent (0-100).
  * @antenna: antenna used
  * @rate_idx: index of data rate into band's supported rates or MCS index if
  *	HT rates are use (RX_FLAG_HT)
@@ -559,7 +558,6 @@ struct ieee80211_rx_status {
 	int freq;
 	int signal;
 	int noise;
-	int __deprecated qual;
 	int antenna;
 	int rate_idx;
 	int flag;
@@ -702,33 +700,6 @@ static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif)
 }
 
 /**
- * struct ieee80211_if_init_conf - initial configuration of an interface
- *
- * @vif: pointer to a driver-use per-interface structure. The pointer
- *	itself is also used for various functions including
- *	ieee80211_beacon_get() and ieee80211_get_buffered_bc().
- * @type: one of &enum nl80211_iftype constants. Determines the type of
- *	added/removed interface.
- * @mac_addr: pointer to MAC address of the interface. This pointer is valid
- *	until the interface is removed (i.e. it cannot be used after
- *	remove_interface() callback was called for this interface).
- *
- * This structure is used in add_interface() and remove_interface()
- * callbacks of &struct ieee80211_hw.
- *
- * When you allow multiple interfaces to be added to your PHY, take care
- * that the hardware can actually handle multiple MAC addresses. However,
- * also take care that when there's no interface left with mac_addr != %NULL
- * you remove the MAC address from the device to avoid acknowledging packets
- * in pure monitor mode.
- */
-struct ieee80211_if_init_conf {
-	enum nl80211_iftype type;
-	struct ieee80211_vif *vif;
-	void *mac_addr;
-};
-
-/**
  * enum ieee80211_key_alg - key algorithm
  * @ALG_WEP: WEP40 or WEP104
  * @ALG_TKIP: TKIP
@@ -1410,7 +1381,7 @@ enum ieee80211_ampdu_mlme_action {
  *	When the device is started it should not have a MAC address
  *	to avoid acknowledging frames before a non-monitor device
  *	is added.
- *	Must be implemented.
+ *	Must be implemented and can sleep.
  *
  * @stop: Called after last netdevice attached to the hardware
  *	is disabled. This should turn off the hardware (at least
@@ -1418,7 +1389,7 @@ enum ieee80211_ampdu_mlme_action {
  *	May be called right after add_interface if that rejects
  *	an interface. If you added any work onto the mac80211 workqueue
  *	you should ensure to cancel it on this callback.
- *	Must be implemented.
+ *	Must be implemented and can sleep.
  *
  * @add_interface: Called when a netdevice attached to the hardware is
  *	enabled. Because it is not called for monitor mode devices, @start
@@ -1428,7 +1399,7 @@ enum ieee80211_ampdu_mlme_action {
  *	interface is given in the conf parameter.
  *	The callback may refuse to add an interface by returning a
  *	negative error code (which will be seen in userspace.)
- *	Must be implemented.
+ *	Must be implemented and can sleep.
  *
  * @remove_interface: Notifies a driver that an interface is going down.
  *	The @stop callback is called after this if it is the last interface
@@ -1437,19 +1408,20 @@ enum ieee80211_ampdu_mlme_action {
  *	must be cleared so the device no longer acknowledges packets,
  *	the mac_addr member of the conf structure is, however, set to the
  *	MAC address of the device going away.
- *	Hence, this callback must be implemented.
+ *	Hence, this callback must be implemented. It can sleep.
  *
  * @config: Handler for configuration requests. IEEE 802.11 code calls this
  *	function to change hardware configuration, e.g., channel.
  *	This function should never fail but returns a negative error code
- *	if it does.
+ *	if it does. The callback can sleep.
  *
  * @bss_info_changed: Handler for configuration requests related to BSS
  *	parameters that may vary during BSS's lifespan, and may affect low
  *	level driver (e.g. assoc/disassoc status, erp parameters).
  *	This function should not be used if no BSS has been set, unless
  *	for association indication. The @changed parameter indicates which
- *	of the bss parameters has changed when a call is made.
+ *	of the bss parameters has changed when a call is made. The callback
+ *	can sleep.
  *
  * @prepare_multicast: Prepare for multicast filter configuration.
  *	This callback is optional, and its return value is passed
@@ -1457,20 +1429,22 @@ enum ieee80211_ampdu_mlme_action {
  *
  * @configure_filter: Configure the device's RX filter.
  *	See the section "Frame filtering" for more information.
- *	This callback must be implemented.
+ *	This callback must be implemented and can sleep.
  *
  * @set_tim: Set TIM bit. mac80211 calls this function when a TIM bit
  * 	must be set or cleared for a given STA. Must be atomic.
  *
  * @set_key: See the section "Hardware crypto acceleration"
- *	This callback can sleep, and is only called between add_interface
- *	and remove_interface calls, i.e. while the given virtual interface
+ *	This callback is only called between add_interface and
+ *	remove_interface calls, i.e. while the given virtual interface
  *	is enabled.
  *	Returns a negative error code if the key can't be added.
+ *	The callback can sleep.
  *
  * @update_tkip_key: See the section "Hardware crypto acceleration"
  * 	This callback will be called in the context of Rx. Called for drivers
  * 	which set IEEE80211_KEY_FLAG_TKIP_REQ_RX_P1_KEY.
+ *	The callback can sleep.
  *
  * @hw_scan: Ask the hardware to service the scan request, no need to start
  *	the scan state machine in stack. The scan must honour the channel
@@ -1484,21 +1458,28 @@ enum ieee80211_ampdu_mlme_action {
  *	When the scan finishes, ieee80211_scan_completed() must be called;
  *	note that it also must be called when the scan cannot finish due to
  *	any error unless this callback returned a negative error code.
+ *	The callback can sleep.
  *
  * @sw_scan_start: Notifier function that is called just before a software scan
  *	is started. Can be NULL, if the driver doesn't need this notification.
+ *	The callback can sleep.
  *
- * @sw_scan_complete: Notifier function that is called just after a software scan
- *	finished. Can be NULL, if the driver doesn't need this notification.
+ * @sw_scan_complete: Notifier function that is called just after a
+ *	software scan finished. Can be NULL, if the driver doesn't need
+ *	this notification.
+ *	The callback can sleep.
  *
  * @get_stats: Return low-level statistics.
  * 	Returns zero if statistics are available.
+ *	The callback can sleep.
  *
  * @get_tkip_seq: If your device implements TKIP encryption in hardware this
  *	callback should be provided to read the TKIP transmit IVs (both IV32
  *	and IV16) for the given key from hardware.
+ *	The callback must be atomic.
  *
  * @set_rts_threshold: Configuration of RTS threshold (if device needs it)
+ *	The callback can sleep.
  *
  * @sta_notify: Notifies low level driver about addition, removal or power
  *	state transition of an associated station, AP,  IBSS/WDS/mesh peer etc.
@@ -1507,30 +1488,36 @@ enum ieee80211_ampdu_mlme_action {
  * @conf_tx: Configure TX queue parameters (EDCF (aifs, cw_min, cw_max),
  *	bursting) for a hardware TX queue.
  *	Returns a negative error code on failure.
+ *	The callback can sleep.
  *
  * @get_tx_stats: Get statistics of the current TX queue status. This is used
  *	to get number of currently queued packets (queue length), maximum queue
  *	size (limit), and total number of packets sent using each TX queue
  *	(count). The 'stats' pointer points to an array that has hw->queues
  *	items.
+ *	The callback must be atomic.
  *
  * @get_tsf: Get the current TSF timer value from firmware/hardware. Currently,
  *	this is only used for IBSS mode BSSID merging and debugging. Is not a
  *	required function.
+ *	The callback can sleep.
  *
  * @set_tsf: Set the TSF timer to the specified value in the firmware/hardware.
  *      Currently, this is only used for IBSS mode debugging. Is not a
  *	required function.
+ *	The callback can sleep.
  *
  * @reset_tsf: Reset the TSF timer and allow firmware/hardware to synchronize
  *	with other STAs in the IBSS. This is only used in IBSS mode. This
  *	function is optional if the firmware/hardware takes full care of
  *	TSF synchronization.
+ *	The callback can sleep.
  *
  * @tx_last_beacon: Determine whether the last IBSS beacon was sent by us.
  *	This is needed only for IBSS mode and the result of this function is
  *	used to determine whether to reply to Probe Requests.
  *	Returns non-zero if this device sent the last beacon.
+ *	The callback can sleep.
  *
  * @ampdu_action: Perform a certain A-MPDU action
  * 	The RA/TID combination determines the destination and TID we want
@@ -1539,21 +1526,28 @@ enum ieee80211_ampdu_mlme_action {
  * 	is the first frame we expect to perform the action on. Notice
  * 	that TX/RX_STOP can pass NULL for this parameter.
  *	Returns a negative error code on failure.
+ *	The callback must be atomic.
  *
  * @rfkill_poll: Poll rfkill hardware state. If you need this, you also
  *	need to set wiphy->rfkill_poll to %true before registration,
  *	and need to call wiphy_rfkill_set_hw_state() in the callback.
+ *	The callback can sleep.
  *
  * @testmode_cmd: Implement a cfg80211 test mode command.
+ *	The callback can sleep.
+ *
+ * @flush: Flush all pending frames from the hardware queue, making sure
+ *	that the hardware queues are empty. If the parameter @drop is set
+ *	to %true, pending frames may be dropped. The callback can sleep.
  */
 struct ieee80211_ops {
 	int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
 	int (*start)(struct ieee80211_hw *hw);
 	void (*stop)(struct ieee80211_hw *hw);
 	int (*add_interface)(struct ieee80211_hw *hw,
-			     struct ieee80211_if_init_conf *conf);
+			     struct ieee80211_vif *vif);
 	void (*remove_interface)(struct ieee80211_hw *hw,
-				 struct ieee80211_if_init_conf *conf);
+				 struct ieee80211_vif *vif);
 	int (*config)(struct ieee80211_hw *hw, u32 changed);
 	void (*bss_info_changed)(struct ieee80211_hw *hw,
 				 struct ieee80211_vif *vif,
@@ -1601,6 +1595,7 @@ struct ieee80211_ops {
 #ifdef CONFIG_NL80211_TESTMODE
 	int (*testmode_cmd)(struct ieee80211_hw *hw, void *data, int len);
 #endif
+	void (*flush)(struct ieee80211_hw *hw, bool drop);
 };
 
 /**
@@ -1840,7 +1835,7 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
 /**
  * ieee80211_beacon_get_tim - beacon generation function
  * @hw: pointer obtained from ieee80211_alloc_hw().
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  * @tim_offset: pointer to variable that will receive the TIM IE offset.
  *	Set to 0 if invalid (in non-AP modes).
  * @tim_length: pointer to variable that will receive the TIM IE length,
@@ -1868,7 +1863,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
 /**
  * ieee80211_beacon_get - beacon generation function
  * @hw: pointer obtained from ieee80211_alloc_hw().
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  *
  * See ieee80211_beacon_get_tim().
  */
@@ -1881,7 +1876,7 @@ static inline struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 /**
  * ieee80211_rts_get - RTS frame generation function
  * @hw: pointer obtained from ieee80211_alloc_hw().
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  * @frame: pointer to the frame that is going to be protected by the RTS.
  * @frame_len: the frame length (in octets).
  * @frame_txctl: &struct ieee80211_tx_info of the frame.
@@ -1900,7 +1895,7 @@ void ieee80211_rts_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 /**
  * ieee80211_rts_duration - Get the duration field for an RTS frame
  * @hw: pointer obtained from ieee80211_alloc_hw().
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  * @frame_len: the length of the frame that is going to be protected by the RTS.
  * @frame_txctl: &struct ieee80211_tx_info of the frame.
  *
@@ -1915,7 +1910,7 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
 /**
  * ieee80211_ctstoself_get - CTS-to-self frame generation function
  * @hw: pointer obtained from ieee80211_alloc_hw().
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  * @frame: pointer to the frame that is going to be protected by the CTS-to-self.
  * @frame_len: the frame length (in octets).
  * @frame_txctl: &struct ieee80211_tx_info of the frame.
@@ -1935,7 +1930,7 @@ void ieee80211_ctstoself_get(struct ieee80211_hw *hw,
 /**
  * ieee80211_ctstoself_duration - Get the duration field for a CTS-to-self frame
  * @hw: pointer obtained from ieee80211_alloc_hw().
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  * @frame_len: the length of the frame that is going to be protected by the CTS-to-self.
  * @frame_txctl: &struct ieee80211_tx_info of the frame.
  *
@@ -1951,7 +1946,7 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
 /**
  * ieee80211_generic_frame_duration - Calculate the duration field for a frame
  * @hw: pointer obtained from ieee80211_alloc_hw().
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  * @frame_len: the length of the frame.
  * @rate: the rate at which the frame is going to be transmitted.
  *
@@ -1966,7 +1961,7 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
 /**
  * ieee80211_get_buffered_bc - accessing buffered broadcast and multicast frames
  * @hw: pointer as obtained from ieee80211_alloc_hw().
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  *
  * Function for accessing buffered broadcast and multicast frames. If
  * hardware/firmware does not implement buffering of broadcast/multicast
@@ -2134,7 +2129,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *sta, u16 tid);
 
 /**
  * ieee80211_start_tx_ba_cb - low level driver ready to aggregate.
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback
  * @ra: receiver address of the BA session recipient.
  * @tid: the TID to BA on.
  *
@@ -2145,7 +2140,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
 
 /**
  * ieee80211_start_tx_ba_cb_irqsafe - low level driver ready to aggregate.
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback
  * @ra: receiver address of the BA session recipient.
  * @tid: the TID to BA on.
  *
@@ -2173,7 +2168,7 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_sta *sta, u16 tid,
 
 /**
  * ieee80211_stop_tx_ba_cb - low level driver ready to stop aggregate.
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback
  * @ra: receiver address of the BA session recipient.
  * @tid: the desired TID to BA on.
  *
@@ -2184,7 +2179,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
 
 /**
  * ieee80211_stop_tx_ba_cb_irqsafe - low level driver ready to stop aggregate.
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback
  * @ra: receiver address of the BA session recipient.
  * @tid: the desired TID to BA on.
  *
@@ -2263,7 +2258,7 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
 /**
  * ieee80211_beacon_loss - inform hardware does not receive beacons
  *
- * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  *
  * When beacon filtering is enabled with IEEE80211_HW_BEACON_FILTERING and
  * IEEE80211_CONF_PS is set, the driver needs to inform whenever the