Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6.26

6 files changed, 497 insertions, 192 deletions

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 9fecf902419c..a9f0b93324a2 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -161,6 +161,12 @@ enum nl80211_commands {
  *      given for %NL80211_CMD_GET_STATION, nested attribute containing
  *      info as possible, see &enum nl80211_sta_stats.
  *
+ * @NL80211_ATTR_WIPHY_BANDS: Information about an operating bands,
+ *      consisting of a nested array.
+ *
+ * @NL80211_ATTR_MNTR_FLAGS: flags, nested element with NLA_FLAG attributes of
+ *      &enum nl80211_mntr_flags.
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -195,6 +201,10 @@ enum nl80211_attrs {
         NL80211_ATTR_STA_VLAN,
         NL80211_ATTR_STA_STATS,
 
+        NL80211_ATTR_WIPHY_BANDS,
+
+        NL80211_ATTR_MNTR_FLAGS,
+
         /* add attributes here, update the policy in nl80211.c */
 
         __NL80211_ATTR_AFTER_LAST,
@@ -280,4 +290,93 @@ enum nl80211_sta_stats {
         NL80211_STA_STAT_MAX = __NL80211_STA_STAT_AFTER_LAST - 1
 };
 
+/**
+ * enum nl80211_band_attr - band attributes
+ * @__NL80211_BAND_ATTR_INVALID: attribute number 0 is reserved
+ * @NL80211_BAND_ATTR_FREQS: supported frequencies in this band,
+ *      an array of nested frequency attributes
+ * @NL80211_BAND_ATTR_RATES: supported bitrates in this band,
+ *      an array of nested bitrate attributes
+ */
+enum nl80211_band_attr {
+        __NL80211_BAND_ATTR_INVALID,
+        NL80211_BAND_ATTR_FREQS,
+        NL80211_BAND_ATTR_RATES,
+
+        /* keep last */
+        __NL80211_BAND_ATTR_AFTER_LAST,
+        NL80211_BAND_ATTR_MAX = __NL80211_BAND_ATTR_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_frequency_attr - frequency attributes
+ * @NL80211_FREQUENCY_ATTR_FREQ: Frequency in MHz
+ * @NL80211_FREQUENCY_ATTR_DISABLED: Channel is disabled in current
+ *      regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_PASSIVE_SCAN: Only passive scanning is
+ *      permitted on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_NO_IBSS: IBSS networks are not permitted
+ *      on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_RADAR: Radar detection is mandatory
+ *      on this channel in current regulatory domain.
+ */
+enum nl80211_frequency_attr {
+        __NL80211_FREQUENCY_ATTR_INVALID,
+        NL80211_FREQUENCY_ATTR_FREQ,
+        NL80211_FREQUENCY_ATTR_DISABLED,
+        NL80211_FREQUENCY_ATTR_PASSIVE_SCAN,
+        NL80211_FREQUENCY_ATTR_NO_IBSS,
+        NL80211_FREQUENCY_ATTR_RADAR,
+
+        /* keep last */
+        __NL80211_FREQUENCY_ATTR_AFTER_LAST,
+        NL80211_FREQUENCY_ATTR_MAX = __NL80211_FREQUENCY_ATTR_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_bitrate_attr - bitrate attributes
+ * @NL80211_BITRATE_ATTR_RATE: Bitrate in units of 100 kbps
+ * @NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE: Short preamble supported
+ *      in 2.4 GHz band.
+ */
+enum nl80211_bitrate_attr {
+        __NL80211_BITRATE_ATTR_INVALID,
+        NL80211_BITRATE_ATTR_RATE,
+        NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE,
+
+        /* keep last */
+        __NL80211_BITRATE_ATTR_AFTER_LAST,
+        NL80211_BITRATE_ATTR_MAX = __NL80211_BITRATE_ATTR_AFTER_LAST - 1
+};
+
+/**
+ * enum nl80211_mntr_flags - monitor configuration flags
+ *
+ * Monitor configuration flags.
+ *
+ * @__NL80211_MNTR_FLAG_INVALID: reserved
+ *
+ * @NL80211_MNTR_FLAG_FCSFAIL: pass frames with bad FCS
+ * @NL80211_MNTR_FLAG_PLCPFAIL: pass frames with bad PLCP
+ * @NL80211_MNTR_FLAG_CONTROL: pass control frames
+ * @NL80211_MNTR_FLAG_OTHER_BSS: disable BSSID filtering
+ * @NL80211_MNTR_FLAG_COOK_FRAMES: report frames after processing.
+ *      overrides all other flags.
+ *
+ * @__NL80211_MNTR_FLAG_AFTER_LAST: internal use
+ * @NL80211_MNTR_FLAG_MAX: highest possible monitor flag
+ */
+enum nl80211_mntr_flags {
+        __NL80211_MNTR_FLAG_INVALID,
+        NL80211_MNTR_FLAG_FCSFAIL,
+        NL80211_MNTR_FLAG_PLCPFAIL,
+        NL80211_MNTR_FLAG_CONTROL,
+        NL80211_MNTR_FLAG_OTHER_BSS,
+        NL80211_MNTR_FLAG_COOK_FRAMES,
+
+        /* keep last */
+        __NL80211_MNTR_FLAG_AFTER_LAST,
+        NL80211_MNTR_FLAG_MAX = __NL80211_MNTR_FLAG_AFTER_LAST - 1
+};
+
 #endif /* __LINUX_NL80211_H */
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index 20add65215af..860d28c6d149 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -72,8 +72,10 @@ struct ssb_device;
 /* Lowlevel read/write operations on the device MMIO.
  * Internal, don't use that outside of ssb. */
 struct ssb_bus_ops {
+        u8 (*read8)(struct ssb_device *dev, u16 offset);
         u16 (*read16)(struct ssb_device *dev, u16 offset);
         u32 (*read32)(struct ssb_device *dev, u16 offset);
+        void (*write8)(struct ssb_device *dev, u16 offset, u8 value);
         void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
         void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
 };
@@ -344,6 +346,10 @@ void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags);
 
 
 /* Device MMIO register read/write functions. */
+static inline u8 ssb_read8(struct ssb_device *dev, u16 offset)
+{
+        return dev->ops->read8(dev, offset);
+}
 static inline u16 ssb_read16(struct ssb_device *dev, u16 offset)
 {
         return dev->ops->read16(dev, offset);
@@ -352,6 +358,10 @@ static inline u32 ssb_read32(struct ssb_device *dev, u16 offset)
 {
         return dev->ops->read32(dev, offset);
 }
+static inline void ssb_write8(struct ssb_device *dev, u16 offset, u8 value)
+{
+        dev->ops->write8(dev, offset, value);
+}
 static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
 {
         dev->ops->write16(dev, offset, value);
diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h
index 536851b946f6..b548a54ff1f5 100644
--- a/include/linux/ssb/ssb_driver_chipcommon.h
+++ b/include/linux/ssb/ssb_driver_chipcommon.h
@@ -390,6 +390,10 @@ extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
 extern void ssb_chipco_watchdog_timer_set(struct ssb_chipcommon *cc,
                                           u32 ticks);
 
+void ssb_chipco_irq_mask(struct ssb_chipcommon *cc, u32 mask, u32 value);
+
+u32 ssb_chipco_irq_status(struct ssb_chipcommon *cc, u32 mask);
+
 /* Chipcommon GPIO pin access. */
 u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask);
 u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value);
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index bcc480b8892a..ab4caf63954f 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -163,6 +163,26 @@ struct station_stats {
         u32 tx_bytes;
 };
 
+/**
+ * enum monitor_flags - monitor flags
+ *
+ * Monitor interface configuration flags. Note that these must be the bits
+ * according to the nl80211 flags.
+ *
+ * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS
+ * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP
+ * @MONITOR_FLAG_CONTROL: pass control frames
+ * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering
+ * @MONITOR_FLAG_COOK_FRAMES: report frames after processing
+ */
+enum monitor_flags {
+        MONITOR_FLAG_FCSFAIL            = 1<<NL80211_MNTR_FLAG_FCSFAIL,
+        MONITOR_FLAG_PLCPFAIL           = 1<<NL80211_MNTR_FLAG_PLCPFAIL,
+        MONITOR_FLAG_CONTROL            = 1<<NL80211_MNTR_FLAG_CONTROL,
+        MONITOR_FLAG_OTHER_BSS          = 1<<NL80211_MNTR_FLAG_OTHER_BSS,
+        MONITOR_FLAG_COOK_FRAMES        = 1<<NL80211_MNTR_FLAG_COOK_FRAMES,
+};
+
 /* from net/wireless.h */
 struct wiphy;
 
@@ -213,10 +233,10 @@ struct wiphy;
  */
 struct cfg80211_ops {
         int     (*add_virtual_intf)(struct wiphy *wiphy, char *name,
-                                    enum nl80211_iftype type);
+                                    enum nl80211_iftype type, u32 *flags);
         int     (*del_virtual_intf)(struct wiphy *wiphy, int ifindex);
         int     (*change_virtual_intf)(struct wiphy *wiphy, int ifindex,
-                                       enum nl80211_iftype type);
+                                       enum nl80211_iftype type, u32 *flags);
 
         int     (*add_key)(struct wiphy *wiphy, struct net_device *netdev,
                            u8 key_index, u8 *mac_addr,
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 9083bafb63ca..7a80c3981237 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -38,7 +38,11 @@
  * called in hardware interrupt context. The low-level driver must not call any
  * other functions in hardware interrupt context. If there is a need for such
  * call, the low-level driver should first ACK the interrupt and perform the
- * IEEE 802.11 code call after this, e.g. from a scheduled workqueue function.
+ * IEEE 802.11 code call after this, e.g. from a scheduled workqueue or even
+ * tasklet function.
+ *
+ * NOTE: If the driver opts to use the _irqsafe() functions, it may not also
+ *       use the non-irqsafe functions!
  */
 
 /**
@@ -69,95 +73,6 @@
  * not do so then mac80211 may add this under certain circumstances.
  */
 
-#define IEEE80211_CHAN_W_SCAN 0x00000001
-#define IEEE80211_CHAN_W_ACTIVE_SCAN 0x00000002
-#define IEEE80211_CHAN_W_IBSS 0x00000004
-
-/* Channel information structure. Low-level driver is expected to fill in chan,
- * freq, and val fields. Other fields will be filled in by 80211.o based on
- * hostapd information and low-level driver does not need to use them. The
- * limits for each channel will be provided in 'struct ieee80211_conf' when
- * configuring the low-level driver with hw->config callback. If a device has
- * a default regulatory domain, IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED
- * can be set to let the driver configure all fields */
-struct ieee80211_channel {
-        short chan; /* channel number (IEEE 802.11) */
-        short freq; /* frequency in MHz */
-        int val; /* hw specific value for the channel */
-        int flag; /* flag for hostapd use (IEEE80211_CHAN_*) */
-        unsigned char power_level;
-        unsigned char antenna_max;
-};
-
-#define IEEE80211_RATE_ERP 0x00000001
-#define IEEE80211_RATE_BASIC 0x00000002
-#define IEEE80211_RATE_PREAMBLE2 0x00000004
-#define IEEE80211_RATE_SUPPORTED 0x00000010
-#define IEEE80211_RATE_OFDM 0x00000020
-#define IEEE80211_RATE_CCK 0x00000040
-#define IEEE80211_RATE_MANDATORY 0x00000100
-
-#define IEEE80211_RATE_CCK_2 (IEEE80211_RATE_CCK | IEEE80211_RATE_PREAMBLE2)
-#define IEEE80211_RATE_MODULATION(f) \
-        (f & (IEEE80211_RATE_CCK | IEEE80211_RATE_OFDM))
-
-/* Low-level driver should set PREAMBLE2, OFDM and CCK flags.
- * BASIC, SUPPORTED, ERP, and MANDATORY flags are set in 80211.o based on the
- * configuration. */
-struct ieee80211_rate {
-        int rate; /* rate in 100 kbps */
-        int val; /* hw specific value for the rate */
-        int flags; /* IEEE80211_RATE_ flags */
-        int val2; /* hw specific value for the rate when using short preamble
-                   * (only when IEEE80211_RATE_PREAMBLE2 flag is set, i.e., for
-                   * 2, 5.5, and 11 Mbps) */
-        signed char min_rssi_ack;
-        unsigned char min_rssi_ack_delta;
-
-        /* following fields are set by 80211.o and need not be filled by the
-         * low-level driver */
-        int rate_inv; /* inverse of the rate (LCM(all rates) / rate) for
-                       * optimizing channel utilization estimates */
-};
-
-/**
- * enum ieee80211_phymode - PHY modes
- *
- * @MODE_IEEE80211A: 5GHz as defined by 802.11a/802.11h
- * @MODE_IEEE80211B: 2.4 GHz as defined by 802.11b
- * @MODE_IEEE80211G: 2.4 GHz as defined by 802.11g (with OFDM),
- *      backwards compatible with 11b mode
- * @NUM_IEEE80211_MODES: internal
- */
-enum ieee80211_phymode {
-        MODE_IEEE80211A,
-        MODE_IEEE80211B,
-        MODE_IEEE80211G,
-
-        /* keep last */
-        NUM_IEEE80211_MODES
-};
-
-/**
- * struct ieee80211_ht_info - describing STA's HT capabilities
- *
- * This structure describes most essential parameters needed
- * to describe 802.11n HT capabilities for an STA.
- *
- * @ht_supported: is HT supported by STA, 0: no, 1: yes
- * @cap: HT capabilities map as described in 802.11n spec
- * @ampdu_factor: Maximum A-MPDU length factor
- * @ampdu_density: Minimum A-MPDU spacing
- * @supp_mcs_set: Supported MCS set as described in 802.11n spec
- */
-struct ieee80211_ht_info {
-        u8 ht_supported;
-        u16 cap; /* use IEEE80211_HT_CAP_ */
-        u8 ampdu_factor;
-        u8 ampdu_density;
-        u8 supp_mcs_set[16];
-};
-
 /**
  * struct ieee80211_ht_bss_info - describing BSS's HT characteristics
  *
@@ -175,46 +90,22 @@ struct ieee80211_ht_bss_info {
 };
 
 /**
- * struct ieee80211_hw_mode - PHY mode definition
- *
- * This structure describes the capabilities supported by the device
- * in a single PHY mode.
- *
- * @list: internal
- * @channels: pointer to array of supported channels
- * @rates: pointer to array of supported bitrates
- * @mode: the PHY mode for this definition
- * @num_channels: number of supported channels
- * @num_rates: number of supported bitrates
- * @ht_info: PHY's 802.11n HT abilities for this mode
- */
-struct ieee80211_hw_mode {
-        struct list_head list;
-        struct ieee80211_channel *channels;
-        struct ieee80211_rate *rates;
-        enum ieee80211_phymode mode;
-        int num_channels;
-        int num_rates;
-        struct ieee80211_ht_info ht_info;
-};
-
-/**
  * struct ieee80211_tx_queue_params - transmit queue configuration
  *
  * The information provided in this structure is required for QoS
- * transmit queue configuration.
+ * transmit queue configuration. Cf. IEEE 802.11 7.3.2.29.
  *
  * @aifs: arbitration interface space [0..255, -1: use default]
  * @cw_min: minimum contention window [will be a value of the form
  *      2^n-1 in the range 1..1023; 0: use default]
  * @cw_max: maximum contention window [like @cw_min]
- * @burst_time: maximum burst time in units of 0.1ms, 0 meaning disabled
+ * @txop: maximum burst time in units of 32 usecs, 0 meaning disabled
  */
 struct ieee80211_tx_queue_params {
-        int aifs;
-        int cw_min;
-        int cw_max;
-        int burst_time;
+        s16 aifs;
+        u16 cw_min;
+        u16 cw_max;
+        u16 txop;
 };
 
 /**
@@ -246,6 +137,7 @@ struct ieee80211_tx_queue_stats_data {
  * @IEEE80211_TX_QUEUE_AFTER_BEACON: transmit queue for frames to be
  *      sent after a beacon
  * @IEEE80211_TX_QUEUE_BEACON: transmit queue for beacon frames
+ * @NUM_TX_DATA_QUEUES_AMPDU: adding more queues for A-MPDU
  */
 enum ieee80211_tx_queue {
         IEEE80211_TX_QUEUE_DATA0,
@@ -261,11 +153,12 @@ enum ieee80211_tx_queue {
  * this struct need to have fixed values. As soon as it is removed, we can
  * fix these entries. */
         IEEE80211_TX_QUEUE_AFTER_BEACON = 6,
-        IEEE80211_TX_QUEUE_BEACON = 7
+        IEEE80211_TX_QUEUE_BEACON = 7,
+        NUM_TX_DATA_QUEUES_AMPDU = 16
 };
 
 struct ieee80211_tx_queue_stats {
-        struct ieee80211_tx_queue_stats_data data[NUM_TX_DATA_QUEUES];
+        struct ieee80211_tx_queue_stats_data data[NUM_TX_DATA_QUEUES_AMPDU];
 };
 
 struct ieee80211_low_level_stats {
@@ -318,11 +211,13 @@ struct ieee80211_bss_conf {
 
 struct ieee80211_tx_control {
         struct ieee80211_vif *vif;
-        int tx_rate; /* Transmit rate, given as the hw specific value for the
-                      * rate (from struct ieee80211_rate) */
-        int rts_cts_rate; /* Transmit rate for RTS/CTS frame, given as the hw
-                           * specific value for the rate (from
-                           * struct ieee80211_rate) */
+        struct ieee80211_rate *tx_rate;
+
+        /* Transmit rate for RTS/CTS frame */
+        struct ieee80211_rate *rts_cts_rate;
+
+        /* retry rate for the last retries */
+        struct ieee80211_rate *alt_retry_rate;
 
 #define IEEE80211_TXCTL_REQ_TX_STATUS   (1<<0)/* request TX status callback for
                                                 * this frame */
@@ -337,10 +232,12 @@ struct ieee80211_tx_control {
 #define IEEE80211_TXCTL_NO_ACK          (1<<4) /* tell the low level not to
                                                 * wait for an ack */
 #define IEEE80211_TXCTL_RATE_CTRL_PROBE (1<<5)
-#define IEEE80211_TXCTL_CLEAR_DST_MASK  (1<<6)
+#define IEEE80211_TXCTL_CLEAR_PS_FILT   (1<<6) /* clear powersave filter
+                                                * for destination station */
 #define IEEE80211_TXCTL_REQUEUE         (1<<7)
 #define IEEE80211_TXCTL_FIRST_FRAGMENT  (1<<8) /* this is a first fragment of
                                                 * the frame */
+#define IEEE80211_TXCTL_SHORT_PREAMBLE  (1<<9)
 #define IEEE80211_TXCTL_LONG_RETRY_LIMIT (1<<10) /* this frame should be send
                                                   * using the through
                                                   * set_retry_limit configured
@@ -348,6 +245,8 @@ struct ieee80211_tx_control {
 #define IEEE80211_TXCTL_EAPOL_FRAME     (1<<11) /* internal to mac80211 */
 #define IEEE80211_TXCTL_SEND_AFTER_DTIM (1<<12) /* send this frame after DTIM
                                                  * beacon */
+#define IEEE80211_TXCTL_AMPDU           (1<<13) /* this frame should be sent
+                                                 * as part of an A-MPDU */
         u32 flags;                             /* tx control flags defined
                                                 * above */
         u8 key_idx;             /* keyidx from hw->set_key(), undefined if
@@ -355,20 +254,11 @@ struct ieee80211_tx_control {
         u8 retry_limit;         /* 1 = only first attempt, 2 = one retry, ..
                                  * This could be used when set_retry_limit
                                  * is not implemented by the driver */
-        u8 power_level;         /* per-packet transmit power level, in dBm */
         u8 antenna_sel_tx;      /* 0 = default/diversity, 1 = Ant0, 2 = Ant1 */
         u8 icv_len;             /* length of the ICV/MIC field in octets */
         u8 iv_len;              /* length of the IV field in octets */
         u8 queue;               /* hardware queue to use for this frame;
                                  * 0 = highest, hw->queues-1 = lowest */
-        struct ieee80211_rate *rate;            /* internal 80211.o rate */
-        struct ieee80211_rate *rts_rate;        /* internal 80211.o rate
-                                                 * for RTS/CTS */
-        int alt_retry_rate; /* retry rate for the last retries, given as the
-                             * hw specific value for the rate (from
-                             * struct ieee80211_rate). To be used to limit
-                             * packet dropping when probing higher rates, if hw
-                             * supports multiple retry rates. -1 = not used */
         int type;       /* internal */
 };
 
@@ -391,7 +281,8 @@ struct ieee80211_tx_control {
  * @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.
+ *      is valid. This is useful in monitor mode and necessary for beacon frames
+ *      to enable IBSS merging.
  */
 enum mac80211_rx_flags {
         RX_FLAG_MMIC_ERROR      = 1<<0,
@@ -410,27 +301,26 @@ enum mac80211_rx_flags {
  * The low-level driver should provide this information (the subset
  * supported by hardware) to the 802.11 code with each received
  * frame.
- * @mactime: MAC timestamp as defined by 802.11
+ * @mactime: value in microseconds of the 64-bit Time Synchronization Function
+ *      (TSF) timer when the first data symbol (MPDU) arrived at the hardware.
+ * @band: the active band when this frame was received
  * @freq: frequency the radio was tuned to when receiving this frame, in MHz
- * @channel: channel the radio was tuned to
- * @phymode: active PHY mode
  * @ssi: signal strength when receiving this frame
  * @signal: used as 'qual' in statistics reporting
  * @noise: PHY noise when receiving this frame
  * @antenna: antenna used
- * @rate: data rate
+ * @rate_idx: index of data rate into band's supported rates
  * @flag: %RX_FLAG_*
  */
 struct ieee80211_rx_status {
         u64 mactime;
+        enum ieee80211_band band;
         int freq;
-        int channel;
-        enum ieee80211_phymode phymode;
         int ssi;
         int signal;
         int noise;
         int antenna;
-        int rate;
+        int rate_idx;
         int flag;
 };
 
@@ -441,12 +331,14 @@ struct ieee80211_rx_status {
  *
  * @IEEE80211_TX_STATUS_TX_FILTERED: The frame was not transmitted
  *      because the destination STA was in powersave mode.
- *
  * @IEEE80211_TX_STATUS_ACK: Frame was acknowledged
+ * @IEEE80211_TX_STATUS_AMPDU: The frame was aggregated, so status
+ *      is for the whole aggregation.
  */
 enum ieee80211_tx_status_flags {
         IEEE80211_TX_STATUS_TX_FILTERED = 1<<0,
         IEEE80211_TX_STATUS_ACK         = 1<<1,
+        IEEE80211_TX_STATUS_AMPDU       = 1<<2,
 };
 
 /**
@@ -457,24 +349,25 @@ enum ieee80211_tx_status_flags {
  *
  * @control: a copy of the &struct ieee80211_tx_control passed to the driver
  *      in the tx() callback.
- *
  * @flags: transmit status flags, defined above
- *
- * @ack_signal: signal strength of the ACK frame
- *
+ * @retry_count: number of retries
  * @excessive_retries: set to 1 if the frame was retried many times
  *      but not acknowledged
- *
- * @retry_count: number of retries
- *
+ * @ampdu_ack_len: number of aggregated frames.
+ *      relevant only if IEEE80211_TX_STATUS_AMPDU was set.
+ * @ampdu_ack_map: block ack bit map for the aggregation.
+ *      relevant only if IEEE80211_TX_STATUS_AMPDU was set.
+ * @ack_signal: signal strength of the ACK frame
  * @queue_length: ?? REMOVE
  * @queue_number: ?? REMOVE
  */
 struct ieee80211_tx_status {
         struct ieee80211_tx_control control;
         u8 flags;
-        bool excessive_retries;
         u8 retry_count;
+        bool excessive_retries;
+        u8 ampdu_ack_len;
+        u64 ampdu_ack_map;
         int ack_signal;
         int queue_length;
         int queue_number;
@@ -502,41 +395,30 @@ enum ieee80211_conf_flags {
  *
  * @radio_enabled: when zero, driver is required to switch off the radio.
  *      TODO make a flag
- * @channel: IEEE 802.11 channel number
- * @freq: frequency in MHz
- * @channel_val: hardware specific channel value for the channel
- * @phymode: PHY mode to activate (REMOVE)
- * @chan: channel to switch to, pointer to the channel information
- * @mode: pointer to mode definition
- * @regulatory_domain: ??
  * @beacon_int: beacon interval (TODO make interface config)
  * @flags: configuration flags defined above
- * @power_level: transmit power limit for current regulatory domain in dBm
- * @antenna_max: maximum antenna gain
+ * @power_level: requested transmit power (in dBm)
+ * @max_antenna_gain: maximum antenna gain (in dBi)
  * @antenna_sel_tx: transmit antenna selection, 0: default/diversity,
  *      1/2: antenna 0/1
  * @antenna_sel_rx: receive antenna selection, like @antenna_sel_tx
  * @ht_conf: describes current self configuration of 802.11n HT capabilies
  * @ht_bss_conf: describes current BSS configuration of 802.11n HT parameters
+ * @channel: the channel to tune to
  */
 struct ieee80211_conf {
-        int channel;                    /* IEEE 802.11 channel number */
-        int freq;                       /* MHz */
-        int channel_val;                /* hw specific value for the channel */
-
-        enum ieee80211_phymode phymode;
-        struct ieee80211_channel *chan;
-        struct ieee80211_hw_mode *mode;
         unsigned int regulatory_domain;
         int radio_enabled;
 
         int beacon_int;
         u32 flags;
-        u8 power_level;
-        u8 antenna_max;
+        int power_level;
+        int max_antenna_gain;
         u8 antenna_sel_tx;
         u8 antenna_sel_rx;
 
+        struct ieee80211_channel *channel;
+
         struct ieee80211_ht_info ht_conf;
         struct ieee80211_ht_bss_info ht_bss_conf;
 };
@@ -757,15 +639,19 @@ enum sta_notify_cmd {
  *      %IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE is also not set because
  *      otherwise the stack will not know when the DTIM beacon was sent.
  *
- * @IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED:
- *      Channels are already configured to the default regulatory domain
- *      specified in the device's EEPROM
+ * @IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE:
+ *      Hardware is not capable of short slot operation on the 2.4 GHz band.
+ *
+ * @IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE:
+ *      Hardware is not capable of receiving frames with short preamble on
+ *      the 2.4 GHz band.
  */
 enum ieee80211_hw_flags {
         IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE           = 1<<0,
         IEEE80211_HW_RX_INCLUDES_FCS                    = 1<<1,
         IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING        = 1<<2,
-        IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED      = 1<<3,
+        IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE          = 1<<3,
+        IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE      = 1<<4,
 };
 
 /**
@@ -777,7 +663,8 @@ enum ieee80211_hw_flags {
  * @wiphy: This points to the &struct wiphy allocated for this
  *      802.11 PHY. You must fill in the @perm_addr and @dev
  *      members of this structure using SET_IEEE80211_DEV()
- *      and SET_IEEE80211_PERM_ADDR().
+ *      and SET_IEEE80211_PERM_ADDR(). Additionally, all supported
+ *      bands (with channels, bitrates) are registered here.
  *
  * @conf: &struct ieee80211_conf, device configuration, don't use.
  *
@@ -913,8 +800,18 @@ static inline void SET_IEEE80211_PERM_ADDR(struct ieee80211_hw *hw, u8 *addr)
  * parameter to see whether multicast frames should be accepted
  * or dropped.
  *
- * All unsupported flags in @total_flags must be cleared, i.e. you
- * should clear all bits except those you honoured.
+ * All unsupported flags in @total_flags must be cleared.
+ * Hardware does not support a flag if it is incapable of _passing_
+ * the frame to the stack. Otherwise the driver must ignore
+ * the flag, but not clear it.
+ * You must _only_ clear the flag (announce no support for the
+ * flag to mac80211) if you are not able to pass the packet type
+ * to the stack (so the hardware always filters it).
+ * So for example, you should clear @FIF_CONTROL, if your hardware
+ * always filters control frames. If your hardware always passes
+ * control frames to the kernel and is incapable of filtering them,
+ * you do _not_ clear the @FIF_CONTROL flag.
+ * This rule applies to all other FIF flags as well.
  */
 
 /**
@@ -967,10 +864,14 @@ enum ieee80211_filter_flags {
  * &struct ieee80211_ops to indicate which action is needed.
  * @IEEE80211_AMPDU_RX_START: start Rx aggregation
  * @IEEE80211_AMPDU_RX_STOP: stop Rx aggregation
+ * @IEEE80211_AMPDU_TX_START: start Tx aggregation
+ * @IEEE80211_AMPDU_TX_STOP: stop Tx aggregation
  */
 enum ieee80211_ampdu_mlme_action {
         IEEE80211_AMPDU_RX_START,
         IEEE80211_AMPDU_RX_STOP,
+        IEEE80211_AMPDU_TX_START,
+        IEEE80211_AMPDU_TX_STOP,
 };
 
 /**
@@ -1051,7 +952,9 @@ enum ieee80211_ampdu_mlme_action {
  *      given local_address is enabled.
  *
  * @hw_scan: Ask the hardware to service the scan request, no need to start
- *      the scan state machine in stack.
+ *      the scan state machine in stack. The scan must honour the channel
+ *      configuration done by the regulatory agent in the wiphy's registered
+ *      bands.
  *
  * @get_stats: return low-level statistics
  *
@@ -1111,7 +1014,8 @@ enum ieee80211_ampdu_mlme_action {
  *      The RA/TID combination determines the destination and TID we want
  *      the ampdu action to be performed for. The action is defined through
  *      ieee80211_ampdu_mlme_action. Starting sequence number (@ssn)
- *      is the first frame we expect to perform the action on.
+ *      is the first frame we expect to perform the action on. notice
+ *      that TX/RX_STOP can pass NULL for this parameter.
  */
 struct ieee80211_ops {
         int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb,
@@ -1162,7 +1066,7 @@ struct ieee80211_ops {
         int (*conf_ht)(struct ieee80211_hw *hw, struct ieee80211_conf *conf);
         int (*ampdu_action)(struct ieee80211_hw *hw,
                             enum ieee80211_ampdu_mlme_action action,
-                            const u8 *ra, u16 tid, u16 ssn);
+                            const u8 *addr, u16 tid, u16 *ssn);
 };
 
 /**
@@ -1272,10 +1176,6 @@ static inline char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw)
 #endif
 }
 
-/* Register a new hardware PHYMODE capability to the stack. */
-int ieee80211_register_hwmode(struct ieee80211_hw *hw,
-                              struct ieee80211_hw_mode *mode);
-
 /**
  * ieee80211_unregister_hw - Unregister a hardware device
  *
@@ -1308,7 +1208,10 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
  * buffer in @skb must start with an IEEE 802.11 header or a radiotap
  * header if %RX_FLAG_RADIOTAP is set in the @status flags.
  *
- * This function may not be called in IRQ context.
+ * This function may not be called in IRQ context. Calls to this function
+ * for a single hardware must be synchronized against each other. Calls
+ * to this function and ieee80211_rx_irqsafe() may not be mixed for a
+ * single hardware.
  *
  * @hw: the hardware this frame came in on
  * @skb: the buffer to receive, owned by mac80211 after this call
@@ -1325,7 +1228,10 @@ static inline void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
  * ieee80211_rx_irqsafe - receive frame
  *
  * Like ieee80211_rx() but can be called in IRQ context
- * (internally defers to a workqueue.)
+ * (internally defers to a tasklet.)
+ *
+ * Calls to this function and ieee80211_rx() may not be mixed for a
+ * single hardware.
  *
  * @hw: the hardware this frame came in on
  * @skb: the buffer to receive, owned by mac80211 after this call
@@ -1344,6 +1250,11 @@ void ieee80211_rx_irqsafe(struct ieee80211_hw *hw,
  * transmitted. It is permissible to not call this function for
  * multicast frames but this can affect statistics.
  *
+ * This function may not be called in IRQ context. Calls to this function
+ * for a single hardware must be synchronized against each other. Calls
+ * to this function and ieee80211_tx_status_irqsafe() may not be mixed
+ * for a single hardware.
+ *
  * @hw: the hardware the frame was transmitted by
  * @skb: the frame that was transmitted, owned by mac80211 after this call
  * @status: status information for this frame; the status pointer need not
@@ -1353,6 +1264,22 @@ void ieee80211_rx_irqsafe(struct ieee80211_hw *hw,
 void ieee80211_tx_status(struct ieee80211_hw *hw,
                          struct sk_buff *skb,
                          struct ieee80211_tx_status *status);
+
+/**
+ * ieee80211_tx_status_irqsafe - irq-safe transmit status callback
+ *
+ * Like ieee80211_tx_status() but can be called in IRQ context
+ * (internally defers to a tasklet.)
+ *
+ * Calls to this function and ieee80211_tx_status() may not be mixed for a
+ * single hardware.
+ *
+ * @hw: the hardware the frame was transmitted by
+ * @skb: the frame that was transmitted, owned by mac80211 after this call
+ * @status: status information for this frame; the status pointer need not
+ *      be valid after this function returns and is not freed by mac80211,
+ *      it is recommended that it points to a stack area
+ */
 void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
                                  struct sk_buff *skb,
                                  struct ieee80211_tx_status *status);
@@ -1449,7 +1376,7 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
  * @hw: pointer obtained from ieee80211_alloc_hw().
  * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
  * @frame_len: the length of the frame.
- * @rate: the rate (in 100kbps) at which the frame is going to be transmitted.
+ * @rate: the rate at which the frame is going to be transmitted.
  *
  * Calculate the duration field of some generic frame, given its
  * length and transmission rate (in 100kbps).
@@ -1457,7 +1384,7 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
 __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
                                         struct ieee80211_vif *vif,
                                         size_t frame_len,
-                                        int rate);
+                                        struct ieee80211_rate *rate);
 
 /**
  * ieee80211_get_buffered_bc - accessing buffered broadcast and multicast frames
@@ -1574,4 +1501,81 @@ void ieee80211_iterate_active_interfaces(struct ieee80211_hw *hw,
                                                 struct ieee80211_vif *vif),
                                          void *data);
 
+/**
+ * ieee80211_start_tx_ba_session - Start a tx Block Ack session.
+ * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @ra: receiver address of the BA session recipient
+ * @tid: the TID to BA on.
+ * @return: success if addBA request was sent, failure otherwise
+ *
+ * Although mac80211/low level driver/user space application can estimate
+ * the need to start aggregation on a certain RA/TID, the session level
+ * will be managed by the mac80211.
+ */
+int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid);
+
+/**
+ * ieee80211_start_tx_ba_cb - low level driver ready to aggregate.
+ * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @ra: receiver address of the BA session recipient.
+ * @tid: the TID to BA on.
+ *
+ * This function must be called by low level driver once it has
+ * finished with preparations for the BA session.
+ */
+void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid);
+
+/**
+ * ieee80211_start_tx_ba_cb_irqsafe - low level driver ready to aggregate.
+ * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @ra: receiver address of the BA session recipient.
+ * @tid: the TID to BA on.
+ *
+ * This function must be called by low level driver once it has
+ * finished with preparations for the BA session.
+ * This version of the function is irq safe.
+ */
+void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
+                                      u16 tid);
+
+/**
+ * ieee80211_stop_tx_ba_session - Stop a Block Ack session.
+ * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @ra: receiver address of the BA session recipient
+ * @tid: the TID to stop BA.
+ * @initiator: if indicates initiator DELBA frame will be sent.
+ * @return: error if no sta with matching da found, success otherwise
+ *
+ * Although mac80211/low level driver/user space application can estimate
+ * the need to stop aggregation on a certain RA/TID, the session level
+ * will be managed by the mac80211.
+ */
+int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
+                                 u8 *ra, u16 tid,
+                                 enum ieee80211_back_parties initiator);
+
+/**
+ * ieee80211_stop_tx_ba_cb - low level driver ready to stop aggregate.
+ * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @ra: receiver address of the BA session recipient.
+ * @tid: the desired TID to BA on.
+ *
+ * This function must be called by low level driver once it has
+ * finished with preparations for the BA session tear down.
+ */
+void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid);
+
+/**
+ * ieee80211_stop_tx_ba_cb_irqsafe - low level driver ready to stop aggregate.
+ * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @ra: receiver address of the BA session recipient.
+ * @tid: the desired TID to BA on.
+ *
+ * This function must be called by low level driver once it has
+ * finished with preparations for the BA session tear down.
+ * This version of the function is irq safe.
+ */
+void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
+                                     u16 tid);
+
 #endif /* MAC80211_H */
diff --git a/include/net/wireless.h b/include/net/wireless.h
index d30c4ba8fd99..c7f805ee5545 100644
--- a/include/net/wireless.h
+++ b/include/net/wireless.h
@@ -13,6 +13,162 @@
 #include <net/cfg80211.h>
 
 /**
+ * enum ieee80211_band - supported frequency bands
+ *
+ * The bands are assigned this way because the supported
+ * bitrates differ in these bands.
+ *
+ * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band
+ * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7)
+ */
+enum ieee80211_band {
+        IEEE80211_BAND_2GHZ,
+        IEEE80211_BAND_5GHZ,
+
+        /* keep last */
+        IEEE80211_NUM_BANDS
+};
+
+/**
+ * enum ieee80211_channel_flags - channel flags
+ *
+ * Channel flags set by the regulatory control code.
+ *
+ * @IEEE80211_CHAN_DISABLED: This channel is disabled.
+ * @IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
+ *      on this channel.
+ * @IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
+ * @IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
+ */
+enum ieee80211_channel_flags {
+        IEEE80211_CHAN_DISABLED         = 1<<0,
+        IEEE80211_CHAN_PASSIVE_SCAN     = 1<<1,
+        IEEE80211_CHAN_NO_IBSS          = 1<<2,
+        IEEE80211_CHAN_RADAR            = 1<<3,
+};
+
+/**
+ * struct ieee80211_channel - channel definition
+ *
+ * This structure describes a single channel for use
+ * with cfg80211.
+ *
+ * @center_freq: center frequency in MHz
+ * @hw_value: hardware-specific value for the channel
+ * @flags: channel flags from &enum ieee80211_channel_flags.
+ * @orig_flags: channel flags at registration time, used by regulatory
+ *      code to support devices with additional restrictions
+ * @band: band this channel belongs to.
+ * @max_antenna_gain: maximum antenna gain in dBi
+ * @max_power: maximum transmission power (in dBm)
+ * @orig_mag: internal use
+ * @orig_mpwr: internal use
+ */
+struct ieee80211_channel {
+        enum ieee80211_band band;
+        u16 center_freq;
+        u16 hw_value;
+        u32 flags;
+        int max_antenna_gain;
+        int max_power;
+        u32 orig_flags;
+        int orig_mag, orig_mpwr;
+};
+
+/**
+ * enum ieee80211_rate_flags - rate flags
+ *
+ * Hardware/specification flags for rates. These are structured
+ * in a way that allows using the same bitrate structure for
+ * different bands/PHY modes.
+ *
+ * @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short
+ *      preamble on this bitrate; only relevant in 2.4GHz band and
+ *      with CCK rates.
+ * @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate
+ *      when used with 802.11a (on the 5 GHz band); filled by the
+ *      core code when registering the wiphy.
+ * @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate
+ *      when used with 802.11b (on the 2.4 GHz band); filled by the
+ *      core code when registering the wiphy.
+ * @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate
+ *      when used with 802.11g (on the 2.4 GHz band); filled by the
+ *      core code when registering the wiphy.
+ * @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode.
+ */
+enum ieee80211_rate_flags {
+        IEEE80211_RATE_SHORT_PREAMBLE   = 1<<0,
+        IEEE80211_RATE_MANDATORY_A      = 1<<1,
+        IEEE80211_RATE_MANDATORY_B      = 1<<2,
+        IEEE80211_RATE_MANDATORY_G      = 1<<3,
+        IEEE80211_RATE_ERP_G            = 1<<4,
+};
+
+/**
+ * struct ieee80211_rate - bitrate definition
+ *
+ * This structure describes a bitrate that an 802.11 PHY can
+ * operate with. The two values @hw_value and @hw_value_short
+ * are only for driver use when pointers to this structure are
+ * passed around.
+ *
+ * @flags: rate-specific flags
+ * @bitrate: bitrate in units of 100 Kbps
+ * @hw_value: driver/hardware value for this rate
+ * @hw_value_short: driver/hardware value for this rate when
+ *      short preamble is used
+ */
+struct ieee80211_rate {
+        u32 flags;
+        u16 bitrate;
+        u16 hw_value, hw_value_short;
+};
+
+/**
+ * struct ieee80211_ht_info - describing STA's HT capabilities
+ *
+ * This structure describes most essential parameters needed
+ * to describe 802.11n HT capabilities for an STA.
+ *
+ * @ht_supported: is HT supported by STA, 0: no, 1: yes
+ * @cap: HT capabilities map as described in 802.11n spec
+ * @ampdu_factor: Maximum A-MPDU length factor
+ * @ampdu_density: Minimum A-MPDU spacing
+ * @supp_mcs_set: Supported MCS set as described in 802.11n spec
+ */
+struct ieee80211_ht_info {
+        u16 cap; /* use IEEE80211_HT_CAP_ */
+        u8 ht_supported;
+        u8 ampdu_factor;
+        u8 ampdu_density;
+        u8 supp_mcs_set[16];
+};
+
+/**
+ * struct ieee80211_supported_band - frequency band definition
+ *
+ * This structure describes a frequency band a wiphy
+ * is able to operate in.
+ *
+ * @channels: Array of channels the hardware can operate in
+ *      in this band.
+ * @band: the band this structure represents
+ * @n_channels: Number of channels in @channels
+ * @bitrates: Array of bitrates the hardware can operate with
+ *      in this band. Must be sorted to give a valid "supported
+ *      rates" IE, i.e. CCK rates first, then OFDM.
+ * @n_bitrates: Number of bitrates in @bitrates
+ */
+struct ieee80211_supported_band {
+        struct ieee80211_channel *channels;
+        struct ieee80211_rate *bitrates;
+        enum ieee80211_band band;
+        int n_channels;
+        int n_bitrates;
+        struct ieee80211_ht_info ht_info;
+};
+
+/**
  * struct wiphy - wireless hardware description
  * @idx: the wiphy index assigned to this item
  * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
@@ -30,6 +186,8 @@ struct wiphy {
          * help determine whether you own this wiphy or not. */
         void *privid;
 
+        struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS];
+
         /* fields below are read-only, assigned by cfg80211 */
 
         /* the item in /sys/class/ieee80211/ points to this,
@@ -136,4 +294,14 @@ extern void wiphy_unregister(struct wiphy *wiphy);
  */
 extern void wiphy_free(struct wiphy *wiphy);
 
+/**
+ * ieee80211_channel_to_frequency - convert channel number to frequency
+ */
+extern int ieee80211_channel_to_frequency(int chan);
+
+/**
+ * ieee80211_frequency_to_channel - convert frequency to channel number
+ */
+extern int ieee80211_frequency_to_channel(int freq);
+
 #endif /* __NET_WIRELESS_H */