Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

2 files changed, 83 insertions, 8 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index c6964572890f..81d725038f97 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1545,13 +1545,19 @@ struct cfg80211_gtk_rekey_data {
  *      to a merge.
  * @leave_ibss: Leave the IBSS.
  *
+ * @set_mcast_rate: Set the specified multicast rate (only if vif is in ADHOC or
+ *      MESH mode)
+ *
  * @set_wiphy_params: Notify that wiphy parameters have changed;
  *      @changed bitfield (see &enum wiphy_params_flags) describes which values
  *      have changed. The actual parameter values are available in
  *      struct wiphy. If returning an error, no value should be changed.
  *
  * @set_tx_power: set the transmit power according to the parameters,
- *      the power passed is in mBm, to get dBm use MBM_TO_DBM().
+ *      the power passed is in mBm, to get dBm use MBM_TO_DBM(). The
+ *      wdev may be %NULL if power was set for the wiphy, and will
+ *      always be %NULL unless the driver supports per-vif TX power
+ *      (as advertised by the nl80211 feature flag.)
  * @get_tx_power: store the current TX power into the dbm variable;
  *      return 0 if successful
  *
@@ -1746,11 +1752,15 @@ struct cfg80211_ops {
                              struct cfg80211_ibss_params *params);
         int     (*leave_ibss)(struct wiphy *wiphy, struct net_device *dev);
 
+        int     (*set_mcast_rate)(struct wiphy *wiphy, struct net_device *dev,
+                                  int rate[IEEE80211_NUM_BANDS]);
+
         int     (*set_wiphy_params)(struct wiphy *wiphy, u32 changed);
 
-        int     (*set_tx_power)(struct wiphy *wiphy,
+        int     (*set_tx_power)(struct wiphy *wiphy, struct wireless_dev *wdev,
                                 enum nl80211_tx_power_setting type, int mbm);
-        int     (*get_tx_power)(struct wiphy *wiphy, int *dbm);
+        int     (*get_tx_power)(struct wiphy *wiphy, struct wireless_dev *wdev,
+                                int *dbm);
 
         int     (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev,
                                 const u8 *addr);
@@ -3550,7 +3560,6 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
  * @len: length of the frame
  * @freq: frequency the frame was received on
  * @sig_dbm: signal strength in mBm, or 0 if unknown
- * @gfp: allocation flags
  *
  * Use this function to report to userspace when a beacon was
  * received. It is not useful to call this when there is no
@@ -3558,7 +3567,7 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
  */
 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
                                  const u8 *frame, size_t len,
-                                 int freq, int sig_dbm, gfp_t gfp);
+                                 int freq, int sig_dbm);
 
 /**
  * cfg80211_can_beacon_sec_chan - test if ht40 on extension channel can be used
@@ -3608,6 +3617,25 @@ u32 cfg80211_calculate_bitrate(struct rate_info *rate);
  */
 void cfg80211_unregister_wdev(struct wireless_dev *wdev);
 
+/**
+ * cfg80211_get_p2p_attr - find and copy a P2P attribute from IE buffer
+ * @ies: the input IE buffer
+ * @len: the input length
+ * @attr: the attribute ID to find
+ * @buf: output buffer, can be %NULL if the data isn't needed, e.g.
+ *      if the function is only called to get the needed buffer size
+ * @bufsize: size of the output buffer
+ *
+ * The function finds a given P2P attribute in the (vendor) IEs and
+ * copies its contents to the given buffer.
+ *
+ * The return value is a negative error code (-%EILSEQ or -%ENOENT) if
+ * the data is malformed or the attribute can't be found (respectively),
+ * or the length of the found attribute (which can be zero).
+ */
+unsigned int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len,
+                                   u8 attr, u8 *buf, unsigned int bufsize);
+
 /* 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 00b7204708bd..a789dd1d4c10 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -207,6 +207,9 @@ struct ieee80211_chanctx_conf {
  * @BSS_CHANGED_SSID: SSID changed for this BSS (AP mode)
  * @BSS_CHANGED_AP_PROBE_RESP: Probe Response changed for this BSS (AP mode)
  * @BSS_CHANGED_PS: PS changed for this BSS (STA mode)
+ * @BSS_CHANGED_TXPOWER: TX power setting changed for this interface
+ * @BSS_CHANGED_P2P_PS: P2P powersave settings (CTWindow, opportunistic PS)
+ *      changed (currently only in P2P client mode, GO mode will be later)
  */
 enum ieee80211_bss_change {
         BSS_CHANGED_ASSOC               = 1<<0,
@@ -227,6 +230,8 @@ enum ieee80211_bss_change {
         BSS_CHANGED_SSID                = 1<<15,
         BSS_CHANGED_AP_PROBE_RESP       = 1<<16,
         BSS_CHANGED_PS                  = 1<<17,
+        BSS_CHANGED_TXPOWER             = 1<<18,
+        BSS_CHANGED_P2P_PS              = 1<<19,
 
         /* when adding here, make sure to change ieee80211_reconfig */
 };
@@ -309,6 +314,9 @@ enum ieee80211_rssi_event {
  * @ssid: The SSID of the current vif. Only valid in AP-mode.
  * @ssid_len: Length of SSID given in @ssid.
  * @hidden_ssid: The SSID of the current vif is hidden. Only valid in AP-mode.
+ * @txpower: TX power in dBm
+ * @p2p_ctwindow: P2P CTWindow, only for P2P client interfaces
+ * @p2p_oppps: P2P opportunistic PS is enabled
  */
 struct ieee80211_bss_conf {
         const u8 *bssid;
@@ -341,6 +349,9 @@ struct ieee80211_bss_conf {
         u8 ssid[IEEE80211_MAX_SSID_LEN];
         size_t ssid_len;
         bool hidden_ssid;
+        int txpower;
+        u8 p2p_ctwindow;
+        bool p2p_oppps;
 };
 
 /**
@@ -884,7 +895,8 @@ enum ieee80211_smps_mode {
  *      powersave documentation below. This variable is valid only when
  *      the CONF_PS flag is set.
  *
- * @power_level: requested transmit power (in dBm)
+ * @power_level: requested transmit power (in dBm), backward compatibility
+ *      value only that is set to the minimum of all interfaces
  *
  * @channel: the channel to tune to
  * @channel_type: the channel (HT) type
@@ -2381,6 +2393,17 @@ enum ieee80211_rate_control_changed {
  *      to vif. Possible use is for hw queue remapping.
  * @unassign_vif_chanctx: Notifies device driver about channel context being
  *      unbound from vif.
+ * @start_ap: Start operation on the AP interface, this is called after all the
+ *      information in bss_conf is set and beacon can be retrieved. A channel
+ *      context is bound before this is called. Note that if the driver uses
+ *      software scan or ROC, this (and @stop_ap) isn't called when the AP is
+ *      just "paused" for scanning/ROC, which is indicated by the beacon being
+ *      disabled/enabled via @bss_info_changed.
+ * @stop_ap: Stop operation on the AP interface.
+ *
+ * @restart_complete: Called after a call to ieee80211_restart_hw(), when the
+ *      reconfiguration has completed. This can help the driver implement the
+ *      reconfiguration step. This callback may sleep.
  */
 struct ieee80211_ops {
         void (*tx)(struct ieee80211_hw *hw,
@@ -2406,6 +2429,9 @@ struct ieee80211_ops {
                                  struct ieee80211_bss_conf *info,
                                  u32 changed);
 
+        int (*start_ap)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
+        void (*stop_ap)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
+
         u64 (*prepare_multicast)(struct ieee80211_hw *hw,
                                  struct netdev_hw_addr_list *mc_list);
         void (*configure_filter)(struct ieee80211_hw *hw,
@@ -2539,6 +2565,8 @@ struct ieee80211_ops {
         void (*unassign_vif_chanctx)(struct ieee80211_hw *hw,
                                      struct ieee80211_vif *vif,
                                      struct ieee80211_chanctx_conf *ctx);
+
+        void (*restart_complete)(struct ieee80211_hw *hw);
 };
 
 /**
@@ -3385,6 +3413,21 @@ void ieee80211_sched_scan_results(struct ieee80211_hw *hw);
 void ieee80211_sched_scan_stopped(struct ieee80211_hw *hw);
 
 /**
+ * enum ieee80211_interface_iteration_flags - interface iteration flags
+ * @IEEE80211_IFACE_ITER_NORMAL: Iterate over all interfaces that have
+ *      been added to the driver; However, note that during hardware
+ *      reconfiguration (after restart_hw) it will iterate over a new
+ *      interface and over all the existing interfaces even if they
+ *      haven't been re-added to the driver yet.
+ * @IEEE80211_IFACE_ITER_RESUME_ALL: During resume, iterate over all
+ *      interfaces, even if they haven't been re-added to the driver yet.
+ */
+enum ieee80211_interface_iteration_flags {
+        IEEE80211_IFACE_ITER_NORMAL     = 0,
+        IEEE80211_IFACE_ITER_RESUME_ALL = BIT(0),
+};
+
+/**
  * ieee80211_iterate_active_interfaces - iterate active interfaces
  *
  * This function iterates over the interfaces associated with a given
@@ -3392,13 +3435,15 @@ void ieee80211_sched_scan_stopped(struct ieee80211_hw *hw);
  * This function allows the iterator function to sleep, when the iterator
  * function is atomic @ieee80211_iterate_active_interfaces_atomic can
  * be used.
- * Does not iterate over a new interface during add_interface()
+ * Does not iterate over a new interface during add_interface().
  *
  * @hw: the hardware struct of which the interfaces should be iterated over
+ * @iter_flags: iteration flags, see &enum ieee80211_interface_iteration_flags
  * @iterator: the iterator function to call
  * @data: first argument of the iterator function
  */
 void ieee80211_iterate_active_interfaces(struct ieee80211_hw *hw,
+                                         u32 iter_flags,
                                          void (*iterator)(void *data, u8 *mac,
                                                 struct ieee80211_vif *vif),
                                          void *data);
@@ -3410,13 +3455,15 @@ void ieee80211_iterate_active_interfaces(struct ieee80211_hw *hw,
  * hardware that are currently active and calls the callback for them.
  * This function requires the iterator callback function to be atomic,
  * if that is not desired, use @ieee80211_iterate_active_interfaces instead.
- * Does not iterate over a new interface during add_interface()
+ * Does not iterate over a new interface during add_interface().
  *
  * @hw: the hardware struct of which the interfaces should be iterated over
+ * @iter_flags: iteration flags, see &enum ieee80211_interface_iteration_flags
  * @iterator: the iterator function to call, cannot sleep
  * @data: first argument of the iterator function
  */
 void ieee80211_iterate_active_interfaces_atomic(struct ieee80211_hw *hw,
+                                                u32 iter_flags,
                                                 void (*iterator)(void *data,
                                                     u8 *mac,
                                                     struct ieee80211_vif *vif),