Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[cascardo/linux.git] / include / net / cfg80211.h

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 3d254e1..ba2e616 100644 (file)
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1439,7 +1439,8 @@ struct cfg80211_gtk_rekey_data {
  * @add_virtual_intf: create a new virtual interface with the given name,
  *     must set the struct wireless_dev's iftype. Beware: You must create
  *     the new netdev in the wiphy's network namespace! Returns the struct
- *     wireless_dev, or an ERR_PTR.
+ *     wireless_dev, or an ERR_PTR. For P2P device wdevs, the driver must
+ *     also set the address member in the wdev.
  *
  * @del_virtual_intf: remove the virtual interface
  *
@@ -1618,6 +1619,9 @@ struct cfg80211_gtk_rekey_data {
  * @get_channel: Get the current operating channel for the virtual interface.
  *     For monitor interfaces, it should return %NULL unless there's a single
  *     current monitoring channel.
+ *
+ * @start_p2p_device: Start the given P2P device.
+ * @stop_p2p_device: Stop the given P2P device.
  */
 struct cfg80211_ops {
        int     (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -1834,6 +1838,11 @@ struct cfg80211_ops {
                (*get_channel)(struct wiphy *wiphy,
                               struct wireless_dev *wdev,
                               enum nl80211_channel_type *type);
+
+       int     (*start_p2p_device)(struct wiphy *wiphy,
+                                   struct wireless_dev *wdev);
+       void    (*stop_p2p_device)(struct wiphy *wiphy,
+                                  struct wireless_dev *wdev);
 };
 
 /*
@@ -2397,6 +2406,8 @@ struct cfg80211_cached_keys;
  * @cleanup_work: work struct used for cleanup that can't be done directly
  * @beacon_interval: beacon interval used on this device for transmitting
  *     beacons, 0 when not valid
+ * @address: The address for this device, valid only if @netdev is %NULL
+ * @p2p_started: true if this is a P2P Device that has been started
  */
 struct wireless_dev {
        struct wiphy *wiphy;
@@ -2415,7 +2426,9 @@ struct wireless_dev {
 
        struct work_struct cleanup_work;
 
-       bool use_4addr;
+       bool use_4addr, p2p_started;
+
+       u8 address[ETH_ALEN] __aligned(sizeof(u16));
 
        /* currently used for IBSS and SME - might be rearranged later */
        u8 ssid[IEEE80211_MAX_SSID_LEN];
@@ -2463,6 +2476,13 @@ struct wireless_dev {
 #endif
 };
 
+static inline u8 *wdev_address(struct wireless_dev *wdev)
+{
+       if (wdev->netdev)
+               return wdev->netdev->dev_addr;
+       return wdev->address;
+}
+
 /**
  * wdev_priv - return wiphy priv from wireless_dev
  *
@@ -3530,6 +3550,22 @@ void cfg80211_ch_switch_notify(struct net_device *dev, int freq,
  */
 u32 cfg80211_calculate_bitrate(struct rate_info *rate);
 
+/**
+ * cfg80211_unregister_wdev - remove the given wdev
+ * @wdev: struct wireless_dev to remove
+ *
+ * Call this function only for wdevs that have no netdev assigned,
+ * e.g. P2P Devices. It removes the device from the list so that
+ * it can no longer be used. It is necessary to call this function
+ * even when cfg80211 requests the removal of the interface by
+ * calling the del_virtual_intf() callback. The function must also
+ * be called when the driver wishes to unregister the wdev, e.g.
+ * when the device is unbound from the driver.
+ *
+ * Requires the RTNL to be held.
+ */
+void cfg80211_unregister_wdev(struct wireless_dev *wdev);
+
 /* Logging, debugging and troubleshooting/diagnostic helpers. */
 
 /* wiphy_printk helpers, similar to dev_printk */