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

3 files changed, 233 insertions, 58 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 50f3fd9..5389afd 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -471,26 +471,6 @@ struct ieee80211_txq_params {
 	u8 aifs;
 };
 
-/**
- * struct mgmt_extra_ie_params - Extra management frame IE parameters
- *
- * Used to add extra IE(s) into management frames. If the driver cannot add the
- * requested data into all management frames of the specified subtype that are
- * generated in kernel or firmware/hardware, it must reject the configuration
- * call. The IE data buffer is added to the end of the specified management
- * frame body after all other IEs. This addition is not applied to frames that
- * are injected through a monitor interface.
- *
- * @subtype: Management frame subtype
- * @ies: IE data buffer or %NULL to remove previous data
- * @ies_len: Length of @ies in octets
- */
-struct mgmt_extra_ie_params {
-	u8 subtype;
-	u8 *ies;
-	int ies_len;
-};
-
 /* from net/wireless.h */
 struct wiphy;
 
@@ -559,6 +539,7 @@ enum cfg80211_signal_type {
  *	is no guarantee that these are well-formed!)
  * @len_information_elements: total length of the information elements
  * @signal: signal strength value (type depends on the wiphy's signal_type)
+ * @hold: BSS should not expire
  * @free_priv: function pointer to free private data
  * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes
  */
@@ -579,6 +560,105 @@ struct cfg80211_bss {
 };
 
 /**
+ * struct cfg80211_auth_request - Authentication request data
+ *
+ * This structure provides information needed to complete IEEE 802.11
+ * authentication.
+ * NOTE: This structure will likely change when more code from mac80211 is
+ * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too.
+ * Before using this in a driver that does not use mac80211, it would be better
+ * to check the status of that work and better yet, volunteer to work on it.
+ *
+ * @chan: The channel to use or %NULL if not specified (auto-select based on
+ *	scan results)
+ * @peer_addr: The address of the peer STA (AP BSSID in infrastructure case);
+ *	this field is required to be present; if the driver wants to help with
+ *	BSS selection, it should use (yet to be added) MLME event to allow user
+ *	space SME to be notified of roaming candidate, so that the SME can then
+ *	use the authentication request with the recommended BSSID and whatever
+ *	other data may be needed for authentication/association
+ * @ssid: SSID or %NULL if not yet available
+ * @ssid_len: Length of ssid in octets
+ * @auth_type: Authentication type (algorithm)
+ * @ie: Extra IEs to add to Authentication frame or %NULL
+ * @ie_len: Length of ie buffer in octets
+ */
+struct cfg80211_auth_request {
+	struct ieee80211_channel *chan;
+	u8 *peer_addr;
+	const u8 *ssid;
+	size_t ssid_len;
+	enum nl80211_auth_type auth_type;
+	const u8 *ie;
+	size_t ie_len;
+};
+
+/**
+ * struct cfg80211_assoc_request - (Re)Association request data
+ *
+ * This structure provides information needed to complete IEEE 802.11
+ * (re)association.
+ * NOTE: This structure will likely change when more code from mac80211 is
+ * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too.
+ * Before using this in a driver that does not use mac80211, it would be better
+ * to check the status of that work and better yet, volunteer to work on it.
+ *
+ * @chan: The channel to use or %NULL if not specified (auto-select based on
+ *	scan results)
+ * @peer_addr: The address of the peer STA (AP BSSID); this field is required
+ *	to be present and the STA must be in State 2 (authenticated) with the
+ *	peer STA
+ * @ssid: SSID
+ * @ssid_len: Length of ssid in octets
+ * @ie: Extra IEs to add to (Re)Association Request frame or %NULL
+ * @ie_len: Length of ie buffer in octets
+ */
+struct cfg80211_assoc_request {
+	struct ieee80211_channel *chan;
+	u8 *peer_addr;
+	const u8 *ssid;
+	size_t ssid_len;
+	const u8 *ie;
+	size_t ie_len;
+};
+
+/**
+ * struct cfg80211_deauth_request - Deauthentication request data
+ *
+ * This structure provides information needed to complete IEEE 802.11
+ * deauthentication.
+ *
+ * @peer_addr: The address of the peer STA (AP BSSID); this field is required
+ *	to be present and the STA must be authenticated with the peer STA
+ * @ie: Extra IEs to add to Deauthentication frame or %NULL
+ * @ie_len: Length of ie buffer in octets
+ */
+struct cfg80211_deauth_request {
+	u8 *peer_addr;
+	u16 reason_code;
+	const u8 *ie;
+	size_t ie_len;
+};
+
+/**
+ * struct cfg80211_disassoc_request - Disassociation request data
+ *
+ * This structure provides information needed to complete IEEE 802.11
+ * disassocation.
+ *
+ * @peer_addr: The address of the peer STA (AP BSSID); this field is required
+ *	to be present and the STA must be associated with the peer STA
+ * @ie: Extra IEs to add to Disassociation frame or %NULL
+ * @ie_len: Length of ie buffer in octets
+ */
+struct cfg80211_disassoc_request {
+	u8 *peer_addr;
+	u16 reason_code;
+	const u8 *ie;
+	size_t ie_len;
+};
+
+/**
  * struct cfg80211_ops - backend description for wireless configuration
  *
  * This struct is registered by fullmac card drivers and/or wireless stacks
@@ -644,12 +724,15 @@ struct cfg80211_bss {
  *
  * @set_channel: Set channel
  *
- * @set_mgmt_extra_ie: Set extra IE data for management frames
- *
  * @scan: Request to do a scan. If returning zero, the scan request is given
  *	the driver, and will be valid until passed to cfg80211_scan_done().
  *	For scan results, call cfg80211_inform_bss(); you can call this outside
  *	the scan/scan_done bracket too.
+ *
+ * @auth: Request to authenticate with the specified peer
+ * @assoc: Request to (re)associate with the specified peer
+ * @deauth: Request to deauthenticate from the specified peer
+ * @disassoc: Request to disassociate from the specified peer
  */
 struct cfg80211_ops {
 	int	(*suspend)(struct wiphy *wiphy);
@@ -724,12 +807,17 @@ struct cfg80211_ops {
 			       struct ieee80211_channel *chan,
 			       enum nl80211_channel_type channel_type);
 
-	int	(*set_mgmt_extra_ie)(struct wiphy *wiphy,
-				     struct net_device *dev,
-				     struct mgmt_extra_ie_params *params);
-
 	int	(*scan)(struct wiphy *wiphy, struct net_device *dev,
 			struct cfg80211_scan_request *request);
+
+	int	(*auth)(struct wiphy *wiphy, struct net_device *dev,
+			struct cfg80211_auth_request *req);
+	int	(*assoc)(struct wiphy *wiphy, struct net_device *dev,
+			 struct cfg80211_assoc_request *req);
+	int	(*deauth)(struct wiphy *wiphy, struct net_device *dev,
+			  struct cfg80211_deauth_request *req);
+	int	(*disassoc)(struct wiphy *wiphy, struct net_device *dev,
+			    struct cfg80211_disassoc_request *req);
 };
 
 /* temporary wext handlers */
@@ -807,4 +895,67 @@ void cfg80211_put_bss(struct cfg80211_bss *bss);
  */
 void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
 
+/**
+ * cfg80211_send_rx_auth - notification of processed authentication
+ * @dev: network device
+ * @buf: authentication frame (header + body)
+ * @len: length of the frame data
+ *
+ * This function is called whenever an authentication has been processed in
+ * station mode.
+ */
+void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
+
+/**
+ * cfg80211_send_rx_assoc - notification of processed association
+ * @dev: network device
+ * @buf: (re)association response frame (header + body)
+ * @len: length of the frame data
+ *
+ * This function is called whenever a (re)association response has been
+ * processed in station mode.
+ */
+void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len);
+
+/**
+ * cfg80211_send_rx_deauth - notification of processed deauthentication
+ * @dev: network device
+ * @buf: deauthentication frame (header + body)
+ * @len: length of the frame data
+ *
+ * This function is called whenever deauthentication has been processed in
+ * station mode.
+ */
+void cfg80211_send_rx_deauth(struct net_device *dev, const u8 *buf,
+			     size_t len);
+
+/**
+ * cfg80211_send_rx_disassoc - notification of processed disassociation
+ * @dev: network device
+ * @buf: disassociation response frame (header + body)
+ * @len: length of the frame data
+ *
+ * This function is called whenever disassociation has been processed in
+ * station mode.
+ */
+void cfg80211_send_rx_disassoc(struct net_device *dev, const u8 *buf,
+			       size_t len);
+
+/**
+ * cfg80211_hold_bss - exclude bss from expiration
+ * @bss: bss which should not expire
+ *
+ * In a case when the BSS is not updated but it shouldn't expire this
+ * function can be used to mark the BSS to be excluded from expiration.
+ */
+void cfg80211_hold_bss(struct cfg80211_bss *bss);
+
+/**
+ * cfg80211_unhold_bss - remove expiration exception from the BSS
+ * @bss: bss which can expire again
+ *
+ * This function marks the BSS to be expirable again.
+ */
+void cfg80211_unhold_bss(struct cfg80211_bss *bss);
+
 #endif /* __NET_CFG80211_H */
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index 384698c..23c3f3d 100644
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -230,8 +230,10 @@ enum ieee80211_radiotap_type {
 						 * 802.11 header and payload
 						 * (to 32-bit boundary)
 						 */
+#define IEEE80211_RADIOTAP_F_BADFCS	0x40	/* bad FCS */
+
 /* For IEEE80211_RADIOTAP_RX_FLAGS */
-#define IEEE80211_RADIOTAP_F_RX_BADFCS	0x0001	/* frame failed crc check */
+#define IEEE80211_RADIOTAP_F_RX_BADPLCP	0x0002	/* frame has bad PLCP */
 
 /* For IEEE80211_RADIOTAP_TX_FLAGS */
 #define IEEE80211_RADIOTAP_F_TX_FAIL	0x0001	/* failed due to excessive
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 12a52ef..3b83a80 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -93,12 +93,9 @@ struct ieee80211_ht_bss_info {
  * enum ieee80211_max_queues - maximum number of queues
  *
  * @IEEE80211_MAX_QUEUES: Maximum number of regular device queues.
- * @IEEE80211_MAX_AMPDU_QUEUES: Maximum number of queues usable
- *	for A-MPDU operation.
  */
 enum ieee80211_max_queues {
-	IEEE80211_MAX_QUEUES =		16,
-	IEEE80211_MAX_AMPDU_QUEUES =	16,
+	IEEE80211_MAX_QUEUES =		4,
 };
 
 /**
@@ -245,6 +242,12 @@ struct ieee80211_bss_conf {
  * @IEEE80211_TX_CTL_RATE_CTRL_PROBE: internal to mac80211, can be
  *	set by rate control algorithms to indicate probe rate, will
  *	be cleared for fragmented frames (except on the last fragment)
+ * @IEEE80211_TX_INTFL_RCALGO: mac80211 internal flag, do not test or
+ *	set this flag in the driver; indicates that the rate control
+ *	algorithm was used and should be notified of TX status
+ * @IEEE80211_TX_INTFL_NEED_TXPROCESSING: completely internal to mac80211,
+ *	used to indicate that a pending frame requires TX processing before
+ *	it can be sent out.
  */
 enum mac80211_tx_control_flags {
 	IEEE80211_TX_CTL_REQ_TX_STATUS		= BIT(0),
@@ -260,6 +263,8 @@ enum mac80211_tx_control_flags {
 	IEEE80211_TX_STAT_AMPDU			= BIT(10),
 	IEEE80211_TX_STAT_AMPDU_NO_BACK		= BIT(11),
 	IEEE80211_TX_CTL_RATE_CTRL_PROBE	= BIT(12),
+	IEEE80211_TX_INTFL_RCALGO		= BIT(13),
+	IEEE80211_TX_INTFL_NEED_TXPROCESSING	= BIT(14),
 };
 
 /**
@@ -520,12 +525,6 @@ enum ieee80211_conf_flags {
 	IEEE80211_CONF_PS		= (1<<1),
 };
 
-/* XXX: remove all this once drivers stop trying to use it */
-static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void)
-{
-	return 0;
-}
-#define IEEE80211_CONF_SHORT_SLOT_TIME (__IEEE80211_CONF_SHORT_SLOT_TIME())
 
 /**
  * enum ieee80211_conf_changed - denotes which configuration changed
@@ -888,6 +887,10 @@ enum ieee80211_tkip_key_type {
  *
  * @IEEE80211_HW_MFP_CAPABLE:
  *	Hardware supports management frame protection (MFP, IEEE 802.11w).
+ *
+ * @IEEE80211_HW_BEACON_FILTER:
+ *	Hardware supports dropping of irrelevant beacon frames to
+ *	avoid waking up cpu.
  */
 enum ieee80211_hw_flags {
 	IEEE80211_HW_RX_INCLUDES_FCS			= 1<<1,
@@ -903,6 +906,7 @@ enum ieee80211_hw_flags {
 	IEEE80211_HW_PS_NULLFUNC_STACK			= 1<<11,
 	IEEE80211_HW_SUPPORTS_DYNAMIC_PS		= 1<<12,
 	IEEE80211_HW_MFP_CAPABLE			= 1<<13,
+	IEEE80211_HW_BEACON_FILTER			= 1<<14,
 };
 
 /**
@@ -945,12 +949,6 @@ enum ieee80211_hw_flags {
  *	data packets. WMM/QoS requires at least four, these
  *	queues need to have configurable access parameters.
  *
- * @ampdu_queues: number of available hardware transmit queues
- *	for A-MPDU packets, these have no access parameters
- *	because they're used only for A-MPDU frames. Note that
- *	mac80211 will not currently use any of the regular queues
- *	for aggregation.
- *
  * @rate_control_algorithm: rate control algorithm for this hardware.
  *	If unset (NULL), the default algorithm will be used. Must be
  *	set before calling ieee80211_register_hw().
@@ -975,7 +973,6 @@ struct ieee80211_hw {
 	int vif_data_size;
 	int sta_data_size;
 	u16 queues;
-	u16 ampdu_queues;
 	u16 max_listen_interval;
 	s8 max_signal;
 	u8 max_rates;
@@ -1017,11 +1014,6 @@ static inline void SET_IEEE80211_PERM_ADDR(struct ieee80211_hw *hw, u8 *addr)
 	memcpy(hw->wiphy->perm_addr, addr, ETH_ALEN);
 }
 
-static inline int ieee80211_num_regular_queues(struct ieee80211_hw *hw)
-{
-	return hw->queues;
-}
-
 static inline struct ieee80211_rate *
 ieee80211_get_tx_rate(const struct ieee80211_hw *hw,
 		      const struct ieee80211_tx_info *c)
@@ -1132,6 +1124,24 @@ ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw,
  */
 
 /**
+ * DOC: Beacon filter support
+ *
+ * Some hardware have beacon filter support to reduce host cpu wakeups
+ * which will reduce system power consumption. It usuallly works so that
+ * the firmware creates a checksum of the beacon but omits all constantly
+ * changing elements (TSF, TIM etc). Whenever the checksum changes the
+ * beacon is forwarded to the host, otherwise it will be just dropped. That
+ * way the host will only receive beacons where some relevant information
+ * (for example ERP protection or WMM settings) have changed.
+ *
+ * Beacon filter support is informed with %IEEE80211_HW_BEACON_FILTER flag.
+ * The driver needs to enable beacon filter support whenever power save is
+ * enabled, that is %IEEE80211_CONF_PS is set. When power save is enabled,
+ * the stack will not check for beacon miss at all and the driver needs to
+ * notify about complete loss of beacons with ieee80211_beacon_loss().
+ */
+
+/**
  * DOC: Frame filtering
  *
  * mac80211 requires to see many management frames for proper
@@ -1220,14 +1230,14 @@ enum ieee80211_filter_flags {
  * @IEEE80211_AMPDU_RX_STOP: stop Rx aggregation
  * @IEEE80211_AMPDU_TX_START: start Tx aggregation
  * @IEEE80211_AMPDU_TX_STOP: stop Tx aggregation
- * @IEEE80211_AMPDU_TX_RESUME: resume TX aggregation
+ * @IEEE80211_AMPDU_TX_OPERATIONAL: TX aggregation has become operational
  */
 enum ieee80211_ampdu_mlme_action {
 	IEEE80211_AMPDU_RX_START,
 	IEEE80211_AMPDU_RX_STOP,
 	IEEE80211_AMPDU_TX_START,
 	IEEE80211_AMPDU_TX_STOP,
-	IEEE80211_AMPDU_TX_RESUME,
+	IEEE80211_AMPDU_TX_OPERATIONAL,
 };
 
 /**
@@ -1318,11 +1328,13 @@ enum ieee80211_ampdu_mlme_action {
  *
  * @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
- *	configuration done by the regulatory agent in the wiphy's registered
- *	bands. When the scan finishes, ieee80211_scan_completed() must be
- *	called; note that it also must be called when the scan cannot finish
- *	because the hardware is turned off! Anything else is a bug!
- *	Returns a negative error code which will be seen in userspace.
+ *	configuration done by the regulatory agent in the wiphy's
+ *	registered bands. The hardware (or the driver) needs to make sure
+ *	that power save is disabled. When the scan finishes,
+ *	ieee80211_scan_completed() must be called; note that it also must
+ *	be called when the scan cannot finish because the hardware is
+ *	turned off! Anything else is a bug! Returns a negative error code
+ *	which will be seen in userspace.
  *
  * @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.
@@ -1350,8 +1362,8 @@ enum ieee80211_ampdu_mlme_action {
  * @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 +
- *	hw->ampdu_queues items.
+ *	(count). The 'stats' pointer points to an array that has hw->queues
+ *	items.
  *
  * @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
@@ -1979,6 +1991,16 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
 struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw,
 					 const u8 *addr);
 
+/**
+ * ieee80211_beacon_loss - inform hardware does not receive beacons
+ *
+ * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ *
+ * When beacon filtering is enabled with IEEE80211_HW_BEACON_FILTERING and
+ * IEEE80211_CONF_PS is set, the driver needs to inform whenever the
+ * hardware is not receiving beacons with this function.
+ */
+void ieee80211_beacon_loss(struct ieee80211_vif *vif);
 
 /* Rate control API */