2 files changed, 32 insertions, 35 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 9f90554e88c4..8c9ba44fb7cf 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2206,7 +2206,12 @@ struct cfg80211_qos_map {
  * @set_cqm_txe_config: Configure connection quality monitor TX error
  *      thresholds.
  * @sched_scan_start: Tell the driver to start a scheduled scan.
- * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan.
+ * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan. This
+ *      call must stop the scheduled scan and be ready for starting a new one
+ *      before it returns, i.e. @sched_scan_start may be called immediately
+ *      after that again and should not fail in that case. The driver should
+ *      not call cfg80211_sched_scan_stopped() for a requested stop (when this
+ *      method returns 0.)
  *
  * @mgmt_frame_register: Notify driver that a management frame type was
  *      registered. Note that this callback may not sleep, and cannot run
@@ -2465,7 +2470,8 @@ struct cfg80211_ops {
 
         int     (*tdls_mgmt)(struct wiphy *wiphy, struct net_device *dev,
                              u8 *peer, u8 action_code,  u8 dialog_token,
-                             u16 status_code, const u8 *buf, size_t len);
+                             u16 status_code, u32 peer_capability,
+                             const u8 *buf, size_t len);
         int     (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev,
                              u8 *peer, enum nl80211_tdls_operation oper);
 
@@ -2610,9 +2616,12 @@ struct ieee80211_iface_limit {
  *      only in special cases.
  * @radar_detect_widths: bitmap of channel widths supported for radar detection
  *
- * These examples can be expressed as follows:
+ * With this structure the driver can describe which interface
+ * combinations it supports concurrently.
  *
- * Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total:
+ * Examples:
+ *
+ * 1. Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total:
  *
  *  struct ieee80211_iface_limit limits1[] = {
  *      { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), },
@@ -2626,7 +2635,7 @@ struct ieee80211_iface_limit {
  *  };
  *
  *
- * Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total:
+ * 2. Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total:
  *
  *  struct ieee80211_iface_limit limits2[] = {
  *      { .max = 8, .types = BIT(NL80211_IFTYPE_AP) |
@@ -2640,7 +2649,8 @@ struct ieee80211_iface_limit {
  *  };
  *
  *
- * Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total.
+ * 3. Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total.
+ *
  * This allows for an infrastructure connection and three P2P connections.
  *
  *  struct ieee80211_iface_limit limits3[] = {
@@ -2790,7 +2800,7 @@ struct wiphy_vendor_command {
  * @perm_addr: permanent MAC address of this device
  * @addr_mask: If the device supports multiple MAC addresses by masking,
  *      set this to a mask with variable bits set to 1, e.g. if the last
- *      four bits are variable then set it to 00:...:00:0f. The actual
+ *      four bits are variable then set it to 00-00-00-00-00-0f. The actual
  *      variable bits shall be determined by the interfaces added, with
  *      interfaces not matching the mask being rejected to be brought up.
  * @n_addresses: number of addresses in @addresses.
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 4f0f29dce0aa..86faa413b37d 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -66,10 +66,6 @@
  *
  * Secondly, when the hardware handles fragmentation, the frame handed to
  * the driver from mac80211 is the MSDU, not the MPDU.
- *
- * Finally, for received frames, the driver is able to indicate that it has
- * filled a radiotap header and put that in front of the frame; if it does
- * not do so then mac80211 may add this under certain circumstances.
  */
 
 /**
@@ -1507,8 +1503,6 @@ struct ieee80211_tx_control {
  * @IEEE80211_HW_CONNECTION_MONITOR:
  *      The hardware performs its own connection monitoring, including
  *      periodic keep-alives to the AP and probing the AP on beacon loss.
- *      When this flag is set, signaling beacon-loss will cause an immediate
- *      change to disassociated state.
  *
  * @IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC:
  *      This device needs to get data from beacon before association (i.e.
@@ -1644,10 +1638,6 @@ enum ieee80211_hw_flags {
  *      the hw can report back.
  * @max_rate_tries: maximum number of tries for each stage
  *
- * @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.
@@ -1701,7 +1691,6 @@ struct ieee80211_hw {
         int vif_data_size;
         int sta_data_size;
         int chanctx_data_size;
-        int napi_weight;
         u16 queues;
         u16 max_listen_interval;
         s8 max_signal;
@@ -2471,6 +2460,7 @@ enum ieee80211_roc_type {
  *      This process will continue until sched_scan_stop is called.
  *
  * @sched_scan_stop: Tell the hardware to stop an ongoing scheduled scan.
+ *      In this case, ieee80211_sched_scan_stopped() must not be called.
  *
  * @sw_scan_start: Notifier function that is called just before a software scan
  *      is started. Can be NULL, if the driver doesn't need this notification.
@@ -2624,8 +2614,6 @@ enum ieee80211_roc_type {
  *      callback. They must then call ieee80211_chswitch_done() to indicate
  *      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
@@ -2820,7 +2808,7 @@ struct ieee80211_ops {
                                 struct ieee80211_vif *vif,
                                 struct cfg80211_sched_scan_request *req,
                                 struct ieee80211_sched_scan_ies *ies);
-        void (*sched_scan_stop)(struct ieee80211_hw *hw,
+        int (*sched_scan_stop)(struct ieee80211_hw *hw,
                                struct ieee80211_vif *vif);
         void (*sw_scan_start)(struct ieee80211_hw *hw);
         void (*sw_scan_complete)(struct ieee80211_hw *hw);
@@ -2884,7 +2872,6 @@ struct ieee80211_ops {
         void (*flush)(struct ieee80211_hw *hw, u32 queues, bool drop);
         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);
 
@@ -3166,21 +3153,21 @@ void ieee80211_free_hw(struct ieee80211_hw *hw);
  */
 void ieee80211_restart_hw(struct ieee80211_hw *hw);
 
-/** ieee80211_napi_schedule - schedule NAPI poll
- *
- * Use this function to schedule NAPI polling on a device.
- *
- * @hw: the hardware to start polling
- */
-void ieee80211_napi_schedule(struct ieee80211_hw *hw);
-
-/** ieee80211_napi_complete - complete NAPI polling
- *
- * Use this function to finish NAPI polling on a device.
+/**
+ * ieee80211_napi_add - initialize mac80211 NAPI context
+ * @hw: the hardware to initialize the NAPI context on
+ * @napi: the NAPI context to initialize
+ * @napi_dev: dummy NAPI netdevice, here to not waste the space if the
+ *      driver doesn't use NAPI
+ * @poll: poll function
+ * @weight: default weight
  *
- * @hw: the hardware to stop polling
+ * See also netif_napi_add().
  */
-void ieee80211_napi_complete(struct ieee80211_hw *hw);
+void ieee80211_napi_add(struct ieee80211_hw *hw, struct napi_struct *napi,
+                        struct net_device *napi_dev,
+                        int (*poll)(struct napi_struct *, int),
+                        int weight);
 
 /**
  * ieee80211_rx - receive frame