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

2 files changed, 91 insertions, 45 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 21710fc17eaf..a6492e9bca97 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1108,27 +1108,50 @@ struct cfg80211_ops {
  */
 
 /**
- * struct wiphy - wireless hardware description
- * @idx: the wiphy index assigned to this item
- * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
- * @custom_regulatory: tells us the driver for this device
+ * enum wiphy_flags - wiphy capability flags
+ *
+ * @WIPHY_FLAG_CUSTOM_REGULATORY:  tells us the driver for this device
  *      has its own custom regulatory domain and cannot identify the
  *      ISO / IEC 3166 alpha2 it belongs to. When this is enabled
  *      we will disregard the first regulatory hint (when the
  *      initiator is %REGDOM_SET_BY_CORE).
- * @strict_regulatory: tells us the driver for this device will ignore
- *      regulatory domain settings until it gets its own regulatory domain
- *      via its regulatory_hint(). After its gets its own regulatory domain
- *      it will only allow further regulatory domain settings to further
- *      enhance compliance. For example if channel 13 and 14 are disabled
- *      by this regulatory domain no user regulatory domain can enable these
- *      channels at a later time. This can be used for devices which do not
- *      have calibration information gauranteed for frequencies or settings
- *      outside of its regulatory domain.
- * @disable_beacon_hints: enable this if your driver needs to ensure that
- *      passive scan flags and beaconing flags may not be lifted by cfg80211
- *      due to regulatory beacon hints. For more information on beacon
+ * @WIPHY_FLAG_STRICT_REGULATORY: tells us the driver for this device will
+ *      ignore regulatory domain settings until it gets its own regulatory
+ *      domain via its regulatory_hint(). After its gets its own regulatory
+ *      domain it will only allow further regulatory domain settings to
+ *      further enhance compliance. For example if channel 13 and 14 are
+ *      disabled by this regulatory domain no user regulatory domain can
+ *      enable these channels at a later time. This can be used for devices
+ *      which do not have calibration information gauranteed for frequencies
+ *      or settings outside of its regulatory domain.
+ * @WIPHY_FLAG_DISABLE_BEACON_HINTS: enable this if your driver needs to ensure
+ *      that passive scan flags and beaconing flags may not be lifted by
+ *      cfg80211 due to regulatory beacon hints. For more information on beacon
  *      hints read the documenation for regulatory_hint_found_beacon()
+ * @WIPHY_FLAG_NETNS_OK: if not set, do not allow changing the netns of this
+ *      wiphy at all
+ * @WIPHY_FLAG_PS_ON_BY_DEFAULT: if set to true, powersave will be enabled
+ *      by default -- this flag will be set depending on the kernel's default
+ *      on wiphy_new(), but can be changed by the driver if it has a good
+ *      reason to override the default
+ * @WIPHY_FLAG_4ADDR_AP: supports 4addr mode even on AP (with a single station
+ *      on a VLAN interface)
+ * @WIPHY_FLAG_4ADDR_STATION: supports 4addr mode even as a station
+ */
+enum wiphy_flags {
+        WIPHY_FLAG_CUSTOM_REGULATORY    = BIT(0),
+        WIPHY_FLAG_STRICT_REGULATORY    = BIT(1),
+        WIPHY_FLAG_DISABLE_BEACON_HINTS = BIT(2),
+        WIPHY_FLAG_NETNS_OK             = BIT(3),
+        WIPHY_FLAG_PS_ON_BY_DEFAULT     = BIT(4),
+        WIPHY_FLAG_4ADDR_AP             = BIT(5),
+        WIPHY_FLAG_4ADDR_STATION        = BIT(6),
+};
+
+/**
+ * struct wiphy - wireless hardware description
+ * @idx: the wiphy index assigned to this item
+ * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
  * @reg_notifier: the driver's regulatory notification callback
  * @regd: the driver's regulatory domain, if one was requested via
  *      the regulatory_hint() API. This can be used by the driver
@@ -1143,11 +1166,6 @@ struct cfg80211_ops {
  *      -1 = fragmentation disabled, only odd values >= 256 used
  * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled
  * @net: the network namespace this wiphy currently lives in
- * @netnsok: if set to false, do not allow changing the netns of this
- *      wiphy at all
- * @ps_default: default for powersave, will be set depending on the
- *      kernel's default on wiphy_new(), but can be changed by the
- *      driver if it has a good reason to override the default
  */
 struct wiphy {
         /* assign these fields before you register the wiphy */
@@ -1158,12 +1176,7 @@ struct wiphy {
         /* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
         u16 interface_modes;
 
-        bool custom_regulatory;
-        bool strict_regulatory;
-        bool disable_beacon_hints;
-
-        bool netnsok;
-        bool ps_default;
+        u32 flags;
 
         enum cfg80211_signal_type signal_type;
 
@@ -1358,6 +1371,10 @@ struct cfg80211_cached_keys;
  * @ssid_len: (private) Used by the internal configuration code
  * @wext: (private) Used by the internal wireless extensions compat code
  * @wext_bssid: (private) Used by the internal wireless extensions compat code
+ * @use_4addr: indicates 4addr mode is used on this interface, must be
+ *      set by driver (if supported) on add_interface BEFORE registering the
+ *      netdev and may otherwise be used by driver read-only, will be update
+ *      by cfg80211 on change_interface
  */
 struct wireless_dev {
         struct wiphy *wiphy;
@@ -1371,6 +1388,8 @@ struct wireless_dev {
 
         struct work_struct cleanup_work;
 
+        bool use_4addr;
+
         /* currently used for IBSS and SME - might be rearranged later */
         u8 ssid[IEEE80211_MAX_SSID_LEN];
         u8 ssid_len;
@@ -1820,6 +1839,18 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
 void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr);
 
 /**
+ * __cfg80211_auth_canceled - notify cfg80211 that authentication was canceled
+ * @dev: network device
+ * @addr: The MAC address of the device with which the authentication timed out
+ *
+ * When a pending authentication had no action yet, the driver may decide
+ * to not send a deauth frame, but in that case must calls this function
+ * to tell cfg80211 about this decision. It is only valid to call this
+ * function within the deauth() callback.
+ */
+void __cfg80211_auth_canceled(struct net_device *dev, const u8 *addr);
+
+/**
  * cfg80211_send_rx_assoc - notification of processed association
  * @dev: network device
  * @buf: (re)association response frame (header + body)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 2c10eac637d8..3754ea405c88 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -219,7 +219,7 @@ struct ieee80211_bss_conf {
  *
  * These flags are used with the @flags member of &ieee80211_tx_info.
  *
- * @IEEE80211_TX_CTL_REQ_TX_STATUS: request TX status callback for this frame.
+ * @IEEE80211_TX_CTL_REQ_TX_STATUS: require TX status callback for this frame.
  * @IEEE80211_TX_CTL_ASSIGN_SEQ: The driver has to assign a sequence
  *      number to this frame, taking care of not overwriting the fragment
  *      number and increasing the sequence number only when the
@@ -390,10 +390,12 @@ struct ieee80211_tx_rate {
  * @control: union for control data
  * @status: union for status data
  * @driver_data: array of driver_data pointers
- * @ampdu_ack_len: number of aggregated frames.
+ * @ampdu_ack_len: number of acked 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.
+ * @ampdu_len: number of aggregated frames.
+ *      relevant only if IEEE80211_TX_STATUS_AMPDU was set.
  * @ack_signal: signal strength of the ACK frame
  */
 struct ieee80211_tx_info {
@@ -428,7 +430,8 @@ struct ieee80211_tx_info {
                         u8 ampdu_ack_len;
                         u64 ampdu_ack_map;
                         int ack_signal;
-                        /* 8 bytes free */
+                        u8 ampdu_len;
+                        /* 7 bytes free */
                 } status;
                 struct {
                         struct ieee80211_tx_rate driver_rates[
@@ -852,6 +855,19 @@ enum ieee80211_tkip_key_type {
  * any particular flags. There are some exceptions to this rule,
  * however, so you are advised to review these flags carefully.
  *
+ * @IEEE80211_HW_HAS_RATE_CONTROL:
+ *      The hardware or firmware includes rate control, and cannot be
+ *      controlled by the stack. As such, no rate control algorithm
+ *      should be instantiated, and the TX rate reported to userspace
+ *      will be taken from the TX status instead of the rate control
+ *      algorithm.
+ *      Note that this requires that the driver implement a number of
+ *      callbacks so it has the correct information, it needs to have
+ *      the @set_rts_threshold callback and must look at the BSS config
+ *      @use_cts_prot for G/N protection, @use_short_slot for slot
+ *      timing in 2.4 GHz and @use_short_preamble for preambles for
+ *      CCK frames.
+ *
  * @IEEE80211_HW_RX_INCLUDES_FCS:
  *      Indicates that received frames passed to the stack include
  *      the FCS at the end.
@@ -910,6 +926,7 @@ enum ieee80211_tkip_key_type {
  *      avoid waking up cpu.
  */
 enum ieee80211_hw_flags {
+        IEEE80211_HW_HAS_RATE_CONTROL                   = 1<<0,
         IEEE80211_HW_RX_INCLUDES_FCS                    = 1<<1,
         IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING        = 1<<2,
         IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE          = 1<<3,
@@ -1505,6 +1522,7 @@ struct ieee80211_ops {
         void (*reset_tsf)(struct ieee80211_hw *hw);
         int (*tx_last_beacon)(struct ieee80211_hw *hw);
         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);
 
@@ -2026,8 +2044,7 @@ void ieee80211_queue_delayed_work(struct ieee80211_hw *hw,
 
 /**
  * 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
+ * @sta: the station for which to start a BA session
  * @tid: the TID to BA on.
  *
  * Return: success if addBA request was sent, failure otherwise
@@ -2036,22 +2053,22 @@ void ieee80211_queue_delayed_work(struct ieee80211_hw *hw,
  * 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);
+int ieee80211_start_tx_ba_session(struct ieee80211_sta *sta, u16 tid);
 
 /**
  * ieee80211_start_tx_ba_cb - low level driver ready to aggregate.
- * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
  * @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);
+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.
- * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
  * @ra: receiver address of the BA session recipient.
  * @tid: the TID to BA on.
  *
@@ -2059,13 +2076,12 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid);
  * 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,
+void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, 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
+ * @sta: the station whose BA session to stop
  * @tid: the TID to stop BA.
  * @initiator: if indicates initiator DELBA frame will be sent.
  *
@@ -2075,24 +2091,23 @@ void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
  * 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,
+int ieee80211_stop_tx_ba_session(struct ieee80211_sta *sta, 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().
+ * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
  * @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);
+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.
- * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
  * @ra: receiver address of the BA session recipient.
  * @tid: the desired TID to BA on.
  *
@@ -2100,7 +2115,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid);
  * 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,
+void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, const u8 *ra,
                                      u16 tid);
 
 /**