Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource

Conflicts:
	arch/ia64/kernel/cyclone.c
	arch/mips/kernel/i8253.c
	arch/x86/kernel/i8253.c

Reason: Resolve conflicts so further cleanups do not conflict further

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 111 insertions, 8 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 62c0ce2d1dc8..025d4cc7bbf8 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -341,6 +341,9 @@ struct ieee80211_bss_conf {
  *	the off-channel channel when a remain-on-channel offload is done
  *	in hardware -- normal packets still flow and are expected to be
  *	handled properly by the device.
+ * @IEEE80211_TX_INTFL_TKIP_MIC_FAILURE: Marks this packet to be used for TKIP
+ *	testing. It will be sent out with incorrect Michael MIC key to allow
+ *	TKIP countermeasures to be tested.
  *
  * Note: If you have to add new flags to the enumeration, then don't
  *	 forget to update %IEEE80211_TX_TEMPORARY_FLAGS when necessary.
@@ -370,6 +373,7 @@ enum mac80211_tx_control_flags {
 	IEEE80211_TX_CTL_LDPC			= BIT(22),
 	IEEE80211_TX_CTL_STBC			= BIT(23) | BIT(24),
 	IEEE80211_TX_CTL_TX_OFFCHAN		= BIT(25),
+	IEEE80211_TX_INTFL_TKIP_MIC_FAILURE	= BIT(26),
 };
 
 #define IEEE80211_TX_CTL_STBC_SHIFT		23
@@ -595,9 +599,10 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
  *	the frame.
  * @RX_FLAG_FAILED_PLCP_CRC: Set this flag if the PCLP check failed on
  *	the frame.
- * @RX_FLAG_TSFT: The timestamp passed in the RX status (@mactime field)
- *	is valid. This is useful in monitor mode and necessary for beacon frames
- *	to enable IBSS merging.
+ * @RX_FLAG_MACTIME_MPDU: The timestamp passed in the RX status (@mactime
+ *	field) is valid and contains the time the first symbol of the MPDU
+ *	was received. This is useful in monitor mode and for proper IBSS
+ *	merging.
  * @RX_FLAG_SHORTPRE: Short preamble was used for this frame
  * @RX_FLAG_HT: HT MCS was used and rate_idx is MCS index
  * @RX_FLAG_40MHZ: HT40 (40 MHz) was used
@@ -610,7 +615,7 @@ enum mac80211_rx_flags {
 	RX_FLAG_IV_STRIPPED	= 1<<4,
 	RX_FLAG_FAILED_FCS_CRC	= 1<<5,
 	RX_FLAG_FAILED_PLCP_CRC = 1<<6,
-	RX_FLAG_TSFT		= 1<<7,
+	RX_FLAG_MACTIME_MPDU	= 1<<7,
 	RX_FLAG_SHORTPRE	= 1<<8,
 	RX_FLAG_HT		= 1<<9,
 	RX_FLAG_40MHZ		= 1<<10,
@@ -1069,6 +1074,13 @@ enum ieee80211_tkip_key_type {
  *	to decrypt group addressed frames, then IBSS RSN support is still
  *	possible but software crypto will be used. Advertise the wiphy flag
  *	only in that case.
+ *
+ * @IEEE80211_HW_AP_LINK_PS: When operating in AP mode the device
+ *	autonomously manages the PS status of connected stations. When
+ *	this flag is set mac80211 will not trigger PS mode for connected
+ *	stations based on the PM bit of incoming frames.
+ *	Use ieee80211_start_ps()/ieee8021_end_ps() to manually configure
+ *	the PS mode of connected stations.
  */
 enum ieee80211_hw_flags {
 	IEEE80211_HW_HAS_RATE_CONTROL			= 1<<0,
@@ -1093,6 +1105,7 @@ enum ieee80211_hw_flags {
 	IEEE80211_HW_CONNECTION_MONITOR			= 1<<19,
 	IEEE80211_HW_SUPPORTS_CQM_RSSI			= 1<<20,
 	IEEE80211_HW_SUPPORTS_PER_STA_GTK		= 1<<21,
+	IEEE80211_HW_AP_LINK_PS				= 1<<22,
 };
 
 /**
@@ -1147,6 +1160,17 @@ enum ieee80211_hw_flags {
  * @napi_weight: weight used for NAPI polling.  You must specify an
  *	appropriate value here if a napi_poll operation is provided
  *	by your driver.
+ *
+ * @max_rx_aggregation_subframes: maximum buffer size (number of
+ *	sub-frames) to be used for A-MPDU block ack receiver
+ *	aggregation.
+ *	This is only relevant if the device has restrictions on the
+ *	number of subframes, if it relies on mac80211 to do reordering
+ *	it shouldn't be set.
+ *
+ * @max_tx_aggregation_subframes: maximum number of subframes in an
+ *	aggregate an HT driver will transmit, used by the peer as a
+ *	hint to size its reorder buffer.
  */
 struct ieee80211_hw {
 	struct ieee80211_conf conf;
@@ -1165,6 +1189,8 @@ struct ieee80211_hw {
 	u8 max_rates;
 	u8 max_report_rates;
 	u8 max_rate_tries;
+	u8 max_rx_aggregation_subframes;
+	u8 max_tx_aggregation_subframes;
 };
 
 /**
@@ -1268,7 +1294,7 @@ ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw,
  * acceleration (i.e. iwlwifi). Those drivers should provide update_tkip_key
  * handler.
  * The update_tkip_key() call updates the driver with the new phase 1 key.
- * This happens everytime the iv16 wraps around (every 65536 packets). The
+ * This happens every time the iv16 wraps around (every 65536 packets). The
  * set_key() call will happen only once for each key (unless the AP did
  * rekeying), it will not include a valid phase 1 key. The valid phase 1 key is
  * provided by update_tkip_key only. The trigger that makes mac80211 call this
@@ -1688,7 +1714,9 @@ enum ieee80211_ampdu_mlme_action {
  *	station, AP, IBSS/WDS/mesh peer etc. This callback can sleep.
  *
  * @sta_notify: Notifies low level driver about power state transition of an
- *	associated station, AP,  IBSS/WDS/mesh peer etc. Must be atomic.
+ *	associated station, AP,  IBSS/WDS/mesh peer etc. For a VIF operating
+ *	in AP mode, this callback will not be called when the flag
+ *	%IEEE80211_HW_AP_LINK_PS is set. Must be atomic.
  *
  * @conf_tx: Configure TX queue parameters (EDCF (aifs, cw_min, cw_max),
  *	bursting) for a hardware TX queue.
@@ -1723,6 +1751,21 @@ enum ieee80211_ampdu_mlme_action {
  * 	ieee80211_ampdu_mlme_action. Starting sequence number (@ssn)
  * 	is the first frame we expect to perform the action on. Notice
  * 	that TX/RX_STOP can pass NULL for this parameter.
+ *	The @buf_size parameter is only valid when the action is set to
+ *	%IEEE80211_AMPDU_TX_OPERATIONAL and indicates the peer's reorder
+ *	buffer size (number of subframes) for this session -- the driver
+ *	may neither send aggregates containing more subframes than this
+ *	nor send aggregates in a way that lost frames would exceed the
+ *	buffer size. If just limiting the aggregate size, this would be
+ *	possible with a buf_size of 8:
+ *	 - TX: 1.....7
+ *	 - RX:  2....7 (lost frame #1)
+ *	 - TX:        8..1...
+ *	which is invalid since #1 was now re-transmitted well past the
+ *	buffer size of 8. Correct ways to retransmit #1 would be:
+ *	 - TX:       1 or 18 or 81
+ *	Even "189" would be wrong since 1 could be lost again.
+ *
  *	Returns a negative error code on failure.
  *	The callback can sleep.
  *
@@ -1767,9 +1810,18 @@ enum ieee80211_ampdu_mlme_action {
  *	ieee80211_remain_on_channel_expired(). This callback may sleep.
  * @cancel_remain_on_channel: Requests that an ongoing off-channel period is
  *	aborted before it expires. This callback may sleep.
+ * @offchannel_tx: Transmit frame on another channel, wait for a response
+ *	and return. Reliable TX status must be reported for the frame. If the
+ *	return value is 1, then the @remain_on_channel will be used with a
+ *	regular transmission (if supported.)
+ * @offchannel_tx_cancel_wait: cancel wait associated with offchannel TX
+ *
+ * @set_ringparam: Set tx and rx ring sizes.
+ *
+ * @get_ringparam: Get tx and rx ring current and maximum sizes.
  */
 struct ieee80211_ops {
-	int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
+	void (*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,
@@ -1825,7 +1877,8 @@ struct ieee80211_ops {
 	int (*ampdu_action)(struct ieee80211_hw *hw,
 			    struct ieee80211_vif *vif,
 			    enum ieee80211_ampdu_mlme_action action,
-			    struct ieee80211_sta *sta, u16 tid, u16 *ssn);
+			    struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+			    u8 buf_size);
 	int (*get_survey)(struct ieee80211_hw *hw, int idx,
 		struct survey_info *survey);
 	void (*rfkill_poll)(struct ieee80211_hw *hw);
@@ -1845,6 +1898,14 @@ struct ieee80211_ops {
 				 enum nl80211_channel_type channel_type,
 				 int duration);
 	int (*cancel_remain_on_channel)(struct ieee80211_hw *hw);
+	int (*offchannel_tx)(struct ieee80211_hw *hw, struct sk_buff *skb,
+			     struct ieee80211_channel *chan,
+			     enum nl80211_channel_type channel_type,
+			     unsigned int wait);
+	int (*offchannel_tx_cancel_wait)(struct ieee80211_hw *hw);
+	int (*set_ringparam)(struct ieee80211_hw *hw, u32 tx, u32 rx);
+	void (*get_ringparam)(struct ieee80211_hw *hw,
+			      u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max);
 };
 
 /**
@@ -2113,6 +2174,48 @@ static inline void ieee80211_rx_ni(struct ieee80211_hw *hw,
 	local_bh_enable();
 }
 
+/**
+ * ieee80211_sta_ps_transition - PS transition for connected sta
+ *
+ * When operating in AP mode with the %IEEE80211_HW_AP_LINK_PS
+ * flag set, use this function to inform mac80211 about a connected station
+ * entering/leaving PS mode.
+ *
+ * This function may not be called in IRQ context or with softirqs enabled.
+ *
+ * Calls to this function for a single hardware must be synchronized against
+ * each other.
+ *
+ * The function returns -EINVAL when the requested PS mode is already set.
+ *
+ * @sta: currently connected sta
+ * @start: start or stop PS
+ */
+int ieee80211_sta_ps_transition(struct ieee80211_sta *sta, bool start);
+
+/**
+ * ieee80211_sta_ps_transition_ni - PS transition for connected sta
+ *                                  (in process context)
+ *
+ * Like ieee80211_sta_ps_transition() but can be called in process context
+ * (internally disables bottom halves). Concurrent call restriction still
+ * applies.
+ *
+ * @sta: currently connected sta
+ * @start: start or stop PS
+ */
+static inline int ieee80211_sta_ps_transition_ni(struct ieee80211_sta *sta,
+						  bool start)
+{
+	int ret;
+
+	local_bh_disable();
+	ret = ieee80211_sta_ps_transition(sta, start);
+	local_bh_enable();
+
+	return ret;
+}
+
 /*
  * The TX headroom reserved by mac80211 for its own tx_status functions.
  * This is enough for the radiotap header.