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

6 files changed, 137 insertions, 2 deletions

diff --git a/include/linux/average.h b/include/linux/average.h
new file mode 100644
index 000000000000..7706e40f95fa
--- /dev/null
+++ b/include/linux/average.h
@@ -0,0 +1,32 @@
+#ifndef _LINUX_AVERAGE_H
+#define _LINUX_AVERAGE_H
+
+#include <linux/kernel.h>
+
+/* Exponentially weighted moving average (EWMA) */
+
+/* For more documentation see lib/average.c */
+
+struct ewma {
+        unsigned long internal;
+        unsigned long factor;
+        unsigned long weight;
+};
+
+extern void ewma_init(struct ewma *avg, unsigned long factor,
+                      unsigned long weight);
+
+extern struct ewma *ewma_add(struct ewma *avg, unsigned long val);
+
+/**
+ * ewma_read() - Get average value
+ * @avg: Average structure
+ *
+ * Returns the average value held in @avg.
+ */
+static inline unsigned long ewma_read(const struct ewma *avg)
+{
+        return DIV_ROUND_CLOSEST(avg->internal, avg->factor);
+}
+
+#endif /* _LINUX_AVERAGE_H */
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index fb877b5621b7..d706bf3badc8 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -804,6 +804,30 @@ enum nl80211_commands {
  * @NL80211_ATTR_SUPPORT_IBSS_RSN: The device supports IBSS RSN, which mostly
  *      means support for per-station GTKs.
  *
+ * @NL80211_ATTR_WIPHY_ANTENNA_TX: Bitmap of allowed antennas for transmitting.
+ *      This can be used to mask out antennas which are not attached or should
+ *      not be used for transmitting. If an antenna is not selected in this
+ *      bitmap the hardware is not allowed to transmit on this antenna.
+ *
+ *      Each bit represents one antenna, starting with antenna 1 at the first
+ *      bit. Depending on which antennas are selected in the bitmap, 802.11n
+ *      drivers can derive which chainmasks to use (if all antennas belonging to
+ *      a particular chain are disabled this chain should be disabled) and if
+ *      a chain has diversity antennas wether diversity should be used or not.
+ *      HT capabilities (STBC, TX Beamforming, Antenna selection) can be
+ *      derived from the available chains after applying the antenna mask.
+ *      Non-802.11n drivers can derive wether to use diversity or not.
+ *      Drivers may reject configurations or RX/TX mask combinations they cannot
+ *      support by returning -EINVAL.
+ *
+ * @NL80211_ATTR_WIPHY_ANTENNA_RX: Bitmap of allowed antennas for receiving.
+ *      This can be used to mask out antennas which are not attached or should
+ *      not be used for receiving. If an antenna is not selected in this bitmap
+ *      the hardware should not be configured to receive on this antenna.
+ *      For a more detailed descripton see @NL80211_ATTR_WIPHY_ANTENNA_TX.
+ *
+ * @NL80211_ATTR_MCAST_RATE: Multicast tx rate (in 100 kbps) for IBSS
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -973,6 +997,11 @@ enum nl80211_attrs {
 
         NL80211_ATTR_SUPPORT_IBSS_RSN,
 
+        NL80211_ATTR_WIPHY_ANTENNA_TX,
+        NL80211_ATTR_WIPHY_ANTENNA_RX,
+
+        NL80211_ATTR_MCAST_RATE,
+
         /* add attributes here, update the policy in nl80211.c */
 
         __NL80211_ATTR_AFTER_LAST,
@@ -1790,6 +1819,8 @@ enum nl80211_ps_state {
  *      the minimum amount the RSSI level must change after an event before a
  *      new event may be issued (to reduce effects of RSSI oscillation).
  * @NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT: RSSI threshold event
+ * @NL80211_ATTR_CQM_PKT_LOSS_EVENT: a u32 value indicating that this many
+ *      consecutive packets were not acknowledged by the peer
  * @__NL80211_ATTR_CQM_AFTER_LAST: internal
  * @NL80211_ATTR_CQM_MAX: highest key attribute
  */
@@ -1798,6 +1829,7 @@ enum nl80211_attr_cqm {
         NL80211_ATTR_CQM_RSSI_THOLD,
         NL80211_ATTR_CQM_RSSI_HYST,
         NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
+        NL80211_ATTR_CQM_PKT_LOSS_EVENT,
 
         /* keep last */
         __NL80211_ATTR_CQM_AFTER_LAST,
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index c6bcfe93b9ca..32bd56949604 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2047,6 +2047,7 @@
 #define PCI_DEVICE_ID_AFAVLAB_P030      0x2182
 #define PCI_SUBDEVICE_ID_AFAVLAB_P061           0x2150
 
+#define PCI_VENDOR_ID_BCM_GVC          0x14a4
 #define PCI_VENDOR_ID_BROADCOM          0x14e4
 #define PCI_DEVICE_ID_TIGON3_5752       0x1600
 #define PCI_DEVICE_ID_TIGON3_5752M      0x1601
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 772dea243e5d..0663945cfa48 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -923,6 +923,7 @@ struct cfg80211_disassoc_request {
  * @privacy: this is a protected network, keys will be configured
  *      after joining
  * @basic_rates: bitmap of basic rates to use when creating the IBSS
+ * @mcast_rate: per-band multicast rate index + 1 (0: disabled)
  */
 struct cfg80211_ibss_params {
         u8 *ssid;
@@ -934,6 +935,7 @@ struct cfg80211_ibss_params {
         u32 basic_rates;
         bool channel_fixed;
         bool privacy;
+        int mcast_rate[IEEE80211_NUM_BANDS];
 };
 
 /**
@@ -1304,6 +1306,9 @@ struct cfg80211_ops {
         void    (*mgmt_frame_register)(struct wiphy *wiphy,
                                        struct net_device *dev,
                                        u16 frame_type, bool reg);
+
+        int     (*set_antenna)(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant);
+        int     (*get_antenna)(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant);
 };
 
 /*
@@ -2596,6 +2601,18 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev,
                               enum nl80211_cqm_rssi_threshold_event rssi_event,
                               gfp_t gfp);
 
+/**
+ * cfg80211_cqm_pktloss_notify - notify userspace about packetloss to peer
+ * @dev: network device
+ * @peer: peer's MAC address
+ * @num_packets: how many packets were lost -- should be a fixed threshold
+ *      but probably no less than maybe 50, or maybe a throughput dependent
+ *      threshold (to account for temporary interference)
+ * @gfp: context flags
+ */
+void cfg80211_cqm_pktloss_notify(struct net_device *dev,
+                                 const u8 *peer, u32 num_packets, gfp_t gfp);
+
 /* Logging, debugging and troubleshooting/diagnostic helpers. */
 
 /* wiphy_printk helpers, similar to dev_printk */
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 9fdf982d1286..eaa4affd40cd 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -97,6 +97,20 @@ enum ieee80211_max_queues {
 };
 
 /**
+ * enum ieee80211_ac_numbers - AC numbers as used in mac80211
+ * @IEEE80211_AC_VO: voice
+ * @IEEE80211_AC_VI: video
+ * @IEEE80211_AC_BE: best effort
+ * @IEEE80211_AC_BK: background
+ */
+enum ieee80211_ac_numbers {
+        IEEE80211_AC_VO         = 0,
+        IEEE80211_AC_VI         = 1,
+        IEEE80211_AC_BE         = 2,
+        IEEE80211_AC_BK         = 3,
+};
+
+/**
  * struct ieee80211_tx_queue_params - transmit queue configuration
  *
  * The information provided in this structure is required for QoS
@@ -205,6 +219,7 @@ enum ieee80211_bss_change {
  * @basic_rates: bitmap of basic rates, each bit stands for an
  *      index into the rate table configured by the driver in
  *      the current band.
+ * @mcast_rate: per-band multicast rate index + 1 (0: disabled)
  * @bssid: The BSSID for this BSS
  * @enable_beacon: whether beaconing should be enabled or not
  * @channel_type: Channel type for this BSS -- the hardware might be
@@ -244,6 +259,7 @@ struct ieee80211_bss_conf {
         u16 assoc_capability;
         u64 timestamp;
         u32 basic_rates;
+        int mcast_rate[IEEE80211_NUM_BANDS];
         u16 ht_operation_mode;
         s32 cqm_rssi_thold;
         u32 cqm_rssi_hyst;
@@ -1652,6 +1668,11 @@ enum ieee80211_ampdu_mlme_action {
  *      and IV16) for the given key from hardware.
  *      The callback must be atomic.
  *
+ * @set_frag_threshold: Configuration of fragmentation threshold. Assign this
+ *      if the device does fragmentation by itself; if this callback is
+ *      implemented then the stack will not do fragmentation.
+ *      The callback can sleep.
+ *
  * @set_rts_threshold: Configuration of RTS threshold (if device needs it)
  *      The callback can sleep.
  *
@@ -1724,6 +1745,13 @@ enum ieee80211_ampdu_mlme_action {
  *      completion of the channel switch.
  *
  * @napi_poll: Poll Rx queue for incoming data frames.
+ *
+ * @set_antenna: Set antenna configuration (tx_ant, rx_ant) on the device.
+ *      Parameters are bitmaps of allowed antennas to use for TX/RX. Drivers may
+ *      reject TX/RX mask combinations they cannot support by returning -EINVAL
+ *      (also see nl80211.h @NL80211_ATTR_WIPHY_ANTENNA_TX).
+ *
+ * @get_antenna: Get current antenna configuration from device (tx_ant, rx_ant).
  */
 struct ieee80211_ops {
         int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
@@ -1765,6 +1793,7 @@ struct ieee80211_ops {
                          struct ieee80211_low_level_stats *stats);
         void (*get_tkip_seq)(struct ieee80211_hw *hw, u8 hw_key_idx,
                              u32 *iv32, u16 *iv16);
+        int (*set_frag_threshold)(struct ieee80211_hw *hw, u32 value);
         int (*set_rts_threshold)(struct ieee80211_hw *hw, u32 value);
         int (*sta_add)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                        struct ieee80211_sta *sta);
@@ -1793,6 +1822,8 @@ struct ieee80211_ops {
         void (*channel_switch)(struct ieee80211_hw *hw,
                                struct ieee80211_channel_switch *ch_switch);
         int (*napi_poll)(struct ieee80211_hw *hw, int budget);
+        int (*set_antenna)(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant);
+        int (*get_antenna)(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
 };
 
 /**
@@ -2501,6 +2532,21 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
                                struct ieee80211_sta *pubsta, bool block);
 
 /**
+ * ieee80211_ap_probereq_get - retrieve a Probe Request template
+ * @hw: pointer obtained from ieee80211_alloc_hw().
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ *
+ * Creates a Probe Request template which can, for example, be uploaded to
+ * hardware. The template is filled with bssid, ssid and supported rate
+ * information. This function must only be called from within the
+ * .bss_info_changed callback function and only in managed mode. The function
+ * is only useful when the interface is associated, otherwise it will return
+ * NULL.
+ */
+struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
+                                          struct ieee80211_vif *vif);
+
+/**
  * ieee80211_beacon_loss - inform hardware does not receive beacons
  *
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
@@ -2640,7 +2686,7 @@ enum rate_control_changed {
  * @rate_idx_mask: user-requested rate mask (not MCS for now)
  * @skb: the skb that will be transmitted, the control information in it needs
  *      to be filled in
- * @ap: whether this frame is sent out in AP mode
+ * @bss: whether this frame is sent out in AP or IBSS mode
  */
 struct ieee80211_tx_rate_control {
         struct ieee80211_hw *hw;
@@ -2651,7 +2697,7 @@ struct ieee80211_tx_rate_control {
         bool rts, short_preamble;
         u8 max_rate_idx;
         u32 rate_idx_mask;
-        bool ap;
+        bool bss;
 };
 
 struct rate_control_ops {
diff --git a/include/net/regulatory.h b/include/net/regulatory.h
index 9e103a4e91ee..356d6e3dc20a 100644
--- a/include/net/regulatory.h
+++ b/include/net/regulatory.h
@@ -43,6 +43,12 @@ enum environment_cap {
  * @intersect: indicates whether the wireless core should intersect
  *      the requested regulatory domain with the presently set regulatory
  *      domain.
+ * @processed: indicates whether or not this requests has already been
+ *      processed. When the last request is processed it means that the
+ *      currently regulatory domain set on cfg80211 is updated from
+ *      CRDA and can be used by other regulatory requests. When a
+ *      the last request is not yet processed we must yield until it
+ *      is processed before processing any new requests.
  * @country_ie_checksum: checksum of the last processed and accepted
  *      country IE
  * @country_ie_env: lets us know if the AP is telling us we are outdoor,
@@ -54,6 +60,7 @@ struct regulatory_request {
         enum nl80211_reg_initiator initiator;
         char alpha2[2];
         bool intersect;
+        bool processed;
         enum environment_cap country_ie_env;
         struct list_head list;
 };