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-rw-r--r--include/net/cfg80211.h107
1 files changed, 72 insertions, 35 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 51f67a9..493fa0c 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -999,7 +999,7 @@ struct cfg80211_ssid {
* @ie_len: length of ie in octets
* @rates: bitmap of rates to advertise for each band
* @wiphy: the wiphy this was for
- * @dev: the interface
+ * @wdev: the wireless device to scan for
* @aborted: (internal) scan request was notified as aborted
* @no_cck: used to send probe requests at non CCK rate in 2GHz band
*/
@@ -1012,9 +1012,10 @@ struct cfg80211_scan_request {
u32 rates[IEEE80211_NUM_BANDS];
+ struct wireless_dev *wdev;
+
/* internal */
struct wiphy *wiphy;
- struct net_device *dev;
bool aborted;
bool no_cck;
@@ -1435,10 +1436,10 @@ 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 netdev,
- * or an ERR_PTR.
+ * the new netdev in the wiphy's network namespace! Returns the struct
+ * wireless_dev, or an ERR_PTR.
*
- * @del_virtual_intf: remove the virtual interface determined by ifindex.
+ * @del_virtual_intf: remove the virtual interface
*
* @change_virtual_intf: change type/configuration of virtual interface,
* keep the struct wireless_dev's iftype updated.
@@ -1503,8 +1504,6 @@ struct cfg80211_gtk_rekey_data {
* interfaces are active this callback should reject the configuration.
* If no interfaces are active or the device is down, the channel should
* be stored for when a monitor interface becomes active.
- * @set_monitor_enabled: Notify driver that there are only monitor
- * interfaces running.
*
* @scan: Request to do a scan. If returning zero, the scan request is given
* the driver, and will be valid until passed to cfg80211_scan_done().
@@ -1574,6 +1573,8 @@ struct cfg80211_gtk_rekey_data {
* @set_power_mgmt: Configure WLAN power management. A timeout value of -1
* allows the driver to adjust the dynamic ps timeout value.
* @set_cqm_rssi_config: Configure connection quality monitor RSSI threshold.
+ * @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. The driver_initiated flag specifies whether the driver
@@ -1611,18 +1612,23 @@ struct cfg80211_gtk_rekey_data {
* @get_et_strings: Ethtool API to get a set of strings to describe stats
* and perhaps other supported types of ethtool data-sets.
* See @ethtool_ops.get_strings
+ *
+ * @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.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
int (*resume)(struct wiphy *wiphy);
void (*set_wakeup)(struct wiphy *wiphy, bool enabled);
- struct net_device * (*add_virtual_intf)(struct wiphy *wiphy,
- char *name,
- enum nl80211_iftype type,
- u32 *flags,
- struct vif_params *params);
- int (*del_virtual_intf)(struct wiphy *wiphy, struct net_device *dev);
+ struct wireless_dev * (*add_virtual_intf)(struct wiphy *wiphy,
+ char *name,
+ enum nl80211_iftype type,
+ u32 *flags,
+ struct vif_params *params);
+ int (*del_virtual_intf)(struct wiphy *wiphy,
+ struct wireless_dev *wdev);
int (*change_virtual_intf)(struct wiphy *wiphy,
struct net_device *dev,
enum nl80211_iftype type, u32 *flags,
@@ -1699,7 +1705,7 @@ struct cfg80211_ops {
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type);
- int (*scan)(struct wiphy *wiphy, struct net_device *dev,
+ int (*scan)(struct wiphy *wiphy,
struct cfg80211_scan_request *request);
int (*auth)(struct wiphy *wiphy, struct net_device *dev,
@@ -1753,23 +1759,23 @@ struct cfg80211_ops {
int (*flush_pmksa)(struct wiphy *wiphy, struct net_device *netdev);
int (*remain_on_channel)(struct wiphy *wiphy,
- struct net_device *dev,
+ struct wireless_dev *wdev,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration,
u64 *cookie);
int (*cancel_remain_on_channel)(struct wiphy *wiphy,
- struct net_device *dev,
+ struct wireless_dev *wdev,
u64 cookie);
- int (*mgmt_tx)(struct wiphy *wiphy, struct net_device *dev,
+ int (*mgmt_tx)(struct wiphy *wiphy, struct wireless_dev *wdev,
struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
bool channel_type_valid, unsigned int wait,
const u8 *buf, size_t len, bool no_cck,
bool dont_wait_for_ack, u64 *cookie);
int (*mgmt_tx_cancel_wait)(struct wiphy *wiphy,
- struct net_device *dev,
+ struct wireless_dev *wdev,
u64 cookie);
int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
@@ -1779,8 +1785,12 @@ struct cfg80211_ops {
struct net_device *dev,
s32 rssi_thold, u32 rssi_hyst);
+ int (*set_cqm_txe_config)(struct wiphy *wiphy,
+ struct net_device *dev,
+ u32 rate, u32 pkts, u32 intvl);
+
void (*mgmt_frame_register)(struct wiphy *wiphy,
- struct net_device *dev,
+ struct wireless_dev *wdev,
u16 frame_type, bool reg);
int (*set_antenna)(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant);
@@ -1818,7 +1828,10 @@ struct cfg80211_ops {
void (*get_et_strings)(struct wiphy *wiphy, struct net_device *dev,
u32 sset, u8 *data);
- void (*set_monitor_enabled)(struct wiphy *wiphy, bool enabled);
+ struct ieee80211_channel *
+ (*get_channel)(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ enum nl80211_channel_type *type);
};
/*
@@ -2341,17 +2354,25 @@ struct cfg80211_internal_bss;
struct cfg80211_cached_keys;
/**
- * struct wireless_dev - wireless per-netdev state
+ * struct wireless_dev - wireless device state
+ *
+ * For netdevs, this structure must be allocated by the driver
+ * that uses the ieee80211_ptr field in struct net_device (this
+ * is intentional so it can be allocated along with the netdev.)
+ * It need not be registered then as netdev registration will
+ * be intercepted by cfg80211 to see the new wireless device.
*
- * This structure must be allocated by the driver/stack
- * that uses the ieee80211_ptr field in struct net_device
- * (this is intentional so it can be allocated along with
- * the netdev.)
+ * For non-netdev uses, it must also be allocated by the driver
+ * in response to the cfg80211 callbacks that require it, as
+ * there's no netdev registration in that case it may not be
+ * allocated outside of callback operations that return it.
*
* @wiphy: pointer to hardware description
* @iftype: interface type
* @list: (private) Used to collect the interfaces
- * @netdev: (private) Used to reference back to the netdev
+ * @netdev: (private) Used to reference back to the netdev, may be %NULL
+ * @identifier: (private) Identifier used in nl80211 to identify this
+ * wireless device if it has no netdev
* @current_bss: (private) Used by the internal configuration code
* @channel: (private) Used by the internal configuration code to track
* the user-set AP, monitor and WDS channel
@@ -2383,6 +2404,8 @@ struct wireless_dev {
struct list_head list;
struct net_device *netdev;
+ u32 identifier;
+
struct list_head mgmt_registrations;
spinlock_t mgmt_registrations_lock;
@@ -3269,7 +3292,7 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason,
/**
* cfg80211_ready_on_channel - notification of remain_on_channel start
- * @dev: network device
+ * @wdev: wireless device
* @cookie: the request cookie
* @chan: The current channel (from remain_on_channel request)
* @channel_type: Channel type
@@ -3277,21 +3300,20 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason,
* channel
* @gfp: allocation flags
*/
-void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie,
+void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, gfp_t gfp);
/**
* cfg80211_remain_on_channel_expired - remain_on_channel duration expired
- * @dev: network device
+ * @wdev: wireless device
* @cookie: the request cookie
* @chan: The current channel (from remain_on_channel request)
* @channel_type: Channel type
* @gfp: allocation flags
*/
-void cfg80211_remain_on_channel_expired(struct net_device *dev,
- u64 cookie,
+void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
gfp_t gfp);
@@ -3319,7 +3341,7 @@ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp);
/**
* cfg80211_rx_mgmt - notification of received, unprocessed management frame
- * @dev: network device
+ * @wdev: wireless device receiving the frame
* @freq: Frequency on which the frame was received in MHz
* @sig_dbm: signal strength in mBm, or 0 if unknown
* @buf: Management frame (header + body)
@@ -3334,12 +3356,12 @@ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp);
* This function is called whenever an Action frame is received for a station
* mode interface, but is not processed in kernel.
*/
-bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_dbm,
+bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm,
const u8 *buf, size_t len, gfp_t gfp);
/**
* cfg80211_mgmt_tx_status - notification of TX status for management frame
- * @dev: network device
+ * @wdev: wireless device receiving the frame
* @cookie: Cookie returned by cfg80211_ops::mgmt_tx()
* @buf: Management frame (header + body)
* @len: length of the frame data
@@ -3350,7 +3372,7 @@ bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_dbm,
* transmitted with cfg80211_ops::mgmt_tx() to report the TX status of the
* transmission attempt.
*/
-void cfg80211_mgmt_tx_status(struct net_device *dev, u64 cookie,
+void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
const u8 *buf, size_t len, bool ack, gfp_t gfp);
@@ -3380,6 +3402,21 @@ void cfg80211_cqm_pktloss_notify(struct net_device *dev,
const u8 *peer, u32 num_packets, gfp_t gfp);
/**
+ * cfg80211_cqm_txe_notify - TX error rate event
+ * @dev: network device
+ * @peer: peer's MAC address
+ * @num_packets: how many packets were lost
+ * @rate: % of packets which failed transmission
+ * @intvl: interval (in s) over which the TX failure threshold was breached.
+ * @gfp: context flags
+ *
+ * Notify userspace when configured % TX failures over number of packets in a
+ * given interval is exceeded.
+ */
+void cfg80211_cqm_txe_notify(struct net_device *dev, const u8 *peer,
+ u32 num_packets, u32 rate, u32 intvl, gfp_t gfp);
+
+/**
* cfg80211_gtk_rekey_notify - notify userspace about driver rekeying
* @dev: network device
* @bssid: BSSID of AP (to avoid races)
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