* new beacon (beaconing modes)
* @BSS_CHANGED_BEACON_ENABLED: Beaconing should be
* enabled/disabled (beaconing modes)
+ * @BSS_CHANGED_CQM: Connection quality monitor config changed
+ * @BSS_CHANGED_IBSS: IBSS join status changed
*/
enum ieee80211_bss_change {
BSS_CHANGED_ASSOC = 1<<0,
BSS_CHANGED_BSSID = 1<<7,
BSS_CHANGED_BEACON = 1<<8,
BSS_CHANGED_BEACON_ENABLED = 1<<9,
+ BSS_CHANGED_CQM = 1<<10,
+ BSS_CHANGED_IBSS = 1<<11,
+
+ /* when adding here, make sure to change ieee80211_reconfig */
};
/**
* to that BSS) that can change during the lifetime of the BSS.
*
* @assoc: association status
+ * @ibss_joined: indicates whether this station is part of an IBSS
+ * or not
* @aid: association ID number, valid only when @assoc is true
* @use_cts_prot: use CTS protection
* @use_short_preamble: use 802.11b short preamble;
* the current band.
* @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
+ * configured for HT40+ while this BSS only uses no-HT, for
+ * example.
* @ht_operation_mode: HT operation mode (like in &struct ieee80211_ht_info).
* This field is only valid when the channel type is one of the HT types.
+ * @cqm_rssi_thold: Connection quality monitor RSSI threshold, a zero value
+ * implies disabled
+ * @cqm_rssi_hyst: Connection quality monitor RSSI hysteresis
*/
struct ieee80211_bss_conf {
const u8 *bssid;
/* association related data */
- bool assoc;
+ bool assoc, ibss_joined;
u16 aid;
/* erp related data */
bool use_cts_prot;
u64 timestamp;
u32 basic_rates;
u16 ht_operation_mode;
+ s32 cqm_rssi_thold;
+ u32 cqm_rssi_hyst;
+ enum nl80211_channel_type channel_type;
};
/**
* @IEEE80211_TX_INTFL_NL80211_FRAME_TX: Frame was requested through nl80211
* MLME command (internal to mac80211 to figure out whether to send TX
* status to user space)
+ * @IEEE80211_TX_CTL_LDPC: tells the driver to use LDPC for this frame
+ * @IEEE80211_TX_CTL_STBC: Enables Space-Time Block Coding (STBC) for this
+ * frame and selects the maximum number of streams that it can use.
*/
enum mac80211_tx_control_flags {
IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0),
IEEE80211_TX_INTFL_RETRANSMISSION = BIT(19),
IEEE80211_TX_INTFL_HAS_RADIOTAP = BIT(20),
IEEE80211_TX_INTFL_NL80211_FRAME_TX = BIT(21),
+ IEEE80211_TX_CTL_LDPC = BIT(22),
+ IEEE80211_TX_CTL_STBC = BIT(23) | BIT(24),
+#define IEEE80211_TX_CTL_STBC_SHIFT 23
};
/**
* @status: union for status data
* @driver_data: array of driver_data pointers
* @ampdu_ack_len: number of acked aggregated frames.
- * relevant only if IEEE80211_TX_STATUS_AMPDU was set.
+ * relevant only if IEEE80211_TX_STAT_AMPDU was set.
* @ampdu_ack_map: block ack bit map for the aggregation.
- * relevant only if IEEE80211_TX_STATUS_AMPDU was set.
+ * relevant only if IEEE80211_TX_STAT_AMPDU was set.
* @ampdu_len: number of aggregated frames.
- * relevant only if IEEE80211_TX_STATUS_AMPDU was set.
+ * relevant only if IEEE80211_TX_STAT_AMPDU was set.
* @ack_signal: signal strength of the ACK frame
*/
struct ieee80211_tx_info {
* @signal: signal strength when receiving this frame, either in dBm, in dB or
* unspecified depending on the hardware capabilities flags
* @IEEE80211_HW_SIGNAL_*
- * @noise: noise when receiving this frame, in dBm.
* @antenna: antenna used
* @rate_idx: index of data rate into band's supported rates or MCS index if
* HT rates are use (RX_FLAG_HT)
enum ieee80211_band band;
int freq;
int signal;
- int noise;
int antenna;
int rate_idx;
int flag;
* may turn the device off as much as possible. Typically, this flag will
* be set when an interface is set UP but not associated or scanning, but
* it can also be unset in that case when monitor interfaces are active.
+ * @IEEE80211_CONF_QOS: Enable 802.11e QoS also know as WMM (Wireless
+ * Multimedia). On some drivers (iwlwifi is one of know) we have
+ * to enable/disable QoS explicitly.
*/
enum ieee80211_conf_flags {
IEEE80211_CONF_MONITOR = (1<<0),
IEEE80211_CONF_PS = (1<<1),
IEEE80211_CONF_IDLE = (1<<2),
+ IEEE80211_CONF_QOS = (1<<3),
};
* @IEEE80211_CONF_CHANGE_RETRY_LIMITS: retry limits changed
* @IEEE80211_CONF_CHANGE_IDLE: Idle flag changed
* @IEEE80211_CONF_CHANGE_SMPS: Spatial multiplexing powersave mode changed
+ * @IEEE80211_CONF_CHANGE_QOS: Quality of service was enabled or disabled
*/
enum ieee80211_conf_changed {
IEEE80211_CONF_CHANGE_SMPS = BIT(1),
IEEE80211_CONF_CHANGE_CHANNEL = BIT(6),
IEEE80211_CONF_CHANGE_RETRY_LIMITS = BIT(7),
IEEE80211_CONF_CHANGE_IDLE = BIT(8),
+ IEEE80211_CONF_CHANGE_QOS = BIT(9),
};
/**
* @dynamic_ps_timeout: The dynamic powersave timeout (in ms), see the
* powersave documentation below. This variable is valid only when
* the CONF_PS flag is set.
+ * @dynamic_ps_forced_timeout: The dynamic powersave timeout (in ms) configured
+ * by cfg80211 (essentially, wext) If set, this value overrules the value
+ * chosen by mac80211 based on ps qos network latency.
*
* @power_level: requested transmit power (in dBm)
*
*/
struct ieee80211_conf {
u32 flags;
- int power_level, dynamic_ps_timeout;
+ int power_level, dynamic_ps_timeout, dynamic_ps_forced_timeout;
int max_sleep_period;
u16 listen_interval;
enum ieee80211_smps_mode smps_mode;
};
+/**
+ * struct ieee80211_channel_switch - holds the channel switch data
+ *
+ * The information provided in this structure is required for channel switch
+ * operation.
+ *
+ * @timestamp: value in microseconds of the 64-bit Time Synchronization
+ * Function (TSF) timer when the frame containing the channel switch
+ * announcement was received. This is simply the rx.mactime parameter
+ * the driver passed into mac80211.
+ * @block_tx: Indicates whether transmission must be blocked before the
+ * scheduled channel switch, as indicated by the AP.
+ * @channel: the new channel to switch to
+ * @count: the number of TBTT's until the channel switch event
+ */
+struct ieee80211_channel_switch {
+ u64 timestamp;
+ bool block_tx;
+ struct ieee80211_channel *channel;
+ u8 count;
+};
+
/**
* struct ieee80211_vif - per-interface data
*
* one milliwatt. This is the preferred method since it is standardized
* between different devices. @max_signal does not need to be set.
*
- * @IEEE80211_HW_NOISE_DBM:
- * Hardware can provide noise (radio interference) values in units dBm,
- * decibel difference from one milliwatt.
- *
* @IEEE80211_HW_SPECTRUM_MGMT:
* Hardware supports spectrum management defined in 802.11h
* Measurement, Channel Switch, Quieting, TPC
* Hardware can provide ack status reports of Tx frames to
* the stack.
*
+ * @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_SUPPORTS_CQM_RSSI:
+ * Hardware can do connection quality monitoring - i.e. it can monitor
+ * connection quality related parameters, such as the RSSI level and
+ * provide notifications if configured trigger levels are reached.
+ *
*/
enum ieee80211_hw_flags {
IEEE80211_HW_HAS_RATE_CONTROL = 1<<0,
IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE = 1<<4,
IEEE80211_HW_SIGNAL_UNSPEC = 1<<5,
IEEE80211_HW_SIGNAL_DBM = 1<<6,
- IEEE80211_HW_NOISE_DBM = 1<<7,
+ /* use this hole */
IEEE80211_HW_SPECTRUM_MGMT = 1<<8,
IEEE80211_HW_AMPDU_AGGREGATION = 1<<9,
IEEE80211_HW_SUPPORTS_PS = 1<<10,
IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS = 1<<16,
IEEE80211_HW_SUPPORTS_UAPSD = 1<<17,
IEEE80211_HW_REPORTS_TX_ACK_STATUS = 1<<18,
+ IEEE80211_HW_CONNECTION_MONITOR = 1<<19,
+ IEEE80211_HW_SUPPORTS_CQM_RSSI = 1<<20,
};
/**
* @flush: Flush all pending frames from the hardware queue, making sure
* that the hardware queues are empty. If the parameter @drop is set
* to %true, pending frames may be dropped. The callback can sleep.
+ *
+ * @channel_switch: Drivers that need (or want) to offload the channel
+ * switch operation for CSAs received from the AP may implement this
+ * callback. They must then call ieee80211_chswitch_done() to indicate
+ * completion of the channel switch.
*/
struct ieee80211_ops {
int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
struct ieee80211_bss_conf *info,
u32 changed);
u64 (*prepare_multicast)(struct ieee80211_hw *hw,
- int mc_count, struct dev_addr_list *mc_list);
+ struct netdev_hw_addr_list *mc_list);
void (*configure_filter)(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
struct ieee80211_key_conf *conf,
struct ieee80211_sta *sta,
u32 iv32, u16 *phase1key);
- int (*hw_scan)(struct ieee80211_hw *hw,
+ int (*hw_scan)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct cfg80211_scan_request *req);
void (*sw_scan_start)(struct ieee80211_hw *hw);
void (*sw_scan_complete)(struct ieee80211_hw *hw);
struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid, u16 *ssn);
-
+ int (*get_survey)(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey);
void (*rfkill_poll)(struct ieee80211_hw *hw);
void (*set_coverage_class)(struct ieee80211_hw *hw, u8 coverage_class);
#ifdef CONFIG_NL80211_TESTMODE
int (*testmode_cmd)(struct ieee80211_hw *hw, void *data, int len);
#endif
void (*flush)(struct ieee80211_hw *hw, bool drop);
+ void (*channel_switch)(struct ieee80211_hw *hw,
+ struct ieee80211_channel_switch *ch_switch);
};
/**
* ieee80211_rx - receive frame
*
* Use this function to hand received frames to mac80211. The receive
- * buffer in @skb must start with an IEEE 802.11 header.
+ * buffer in @skb must start with an IEEE 802.11 header. In case of a
+ * paged @skb is used, the driver is recommended to put the ieee80211
+ * header of the frame on the linear part of the @skb to avoid memory
+ * allocation and/or memcpy by the stack.
*
* This function may not be called in IRQ context. Calls to this function
* for a single hardware must be synchronized against each other. Calls to
*
* @vif: &struct ieee80211_vif pointer from the add_interface callback.
*
- * When beacon filtering is enabled with IEEE80211_HW_BEACON_FILTERING and
- * IEEE80211_CONF_PS is set, the driver needs to inform whenever the
+ * When beacon filtering is enabled with %IEEE80211_HW_BEACON_FILTERING and
+ * %IEEE80211_CONF_PS is set, the driver needs to inform whenever the
* hardware is not receiving beacons with this function.
*/
void ieee80211_beacon_loss(struct ieee80211_vif *vif);
+/**
+ * ieee80211_connection_loss - inform hardware has lost connection to the AP
+ *
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ *
+ * When beacon filtering is enabled with %IEEE80211_HW_BEACON_FILTERING, and
+ * %IEEE80211_CONF_PS and %IEEE80211_HW_CONNECTION_MONITOR are set, the driver
+ * needs to inform if the connection to the AP has been lost.
+ *
+ * This function will cause immediate change to disassociated state,
+ * without connection recovery attempts.
+ */
+void ieee80211_connection_loss(struct ieee80211_vif *vif);
+
+/**
+ * ieee80211_cqm_rssi_notify - inform a configured connection quality monitoring
+ * rssi threshold triggered
+ *
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ * @rssi_event: the RSSI trigger event type
+ * @gfp: context flags
+ *
+ * When the %IEEE80211_HW_SUPPORTS_CQM_RSSI is set, and a connection quality
+ * monitoring is configured with an rssi threshold, the driver will inform
+ * whenever the rssi level reaches the threshold.
+ */
+void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
+ enum nl80211_cqm_rssi_threshold_event rssi_event,
+ gfp_t gfp);
+
+/**
+ * ieee80211_chswitch_done - Complete channel switch process
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ * @success: make the channel switch successful or not
+ *
+ * Complete the channel switch post-process: set the new operational channel
+ * and wake up the suspended queues.
+ */
+void ieee80211_chswitch_done(struct ieee80211_vif *vif, bool success);
+
/* Rate control API */
/**
git.openpandora.org / pandora-kernel.git / blobdiff