* tasklet function.
*
* NOTE: If the driver opts to use the _irqsafe() functions, it may not also
- * use the non-irqsafe functions!
+ * use the non-IRQ-safe functions!
*/
/**
* struct ieee80211_ht_bss_info - describing BSS's HT characteristics
*
* This structure describes most essential parameters needed
- * to describe 802.11n HT characteristics in a BSS
+ * to describe 802.11n HT characteristics in a BSS.
*
* @primary_channel: channel number of primery channel
* @bss_cap: 802.11n's general BSS capabilities (e.g. channel width)
* The information provided in this structure is required for QoS
* transmit queue configuration. Cf. IEEE 802.11 7.3.2.29.
*
- * @aifs: arbitration interface space [0..255, -1: use default]
- * @cw_min: minimum contention window [will be a value of the form
- * 2^n-1 in the range 1..1023; 0: use default]
+ * @aifs: arbitration interface space [0..255]
+ * @cw_min: minimum contention window [a value of the form
+ * 2^n-1 in the range 1..32767]
* @cw_max: maximum contention window [like @cw_min]
* @txop: maximum burst time in units of 32 usecs, 0 meaning disabled
*/
struct ieee80211_tx_queue_params {
- s16 aifs;
+ u16 txop;
u16 cw_min;
u16 cw_max;
- u16 txop;
+ u8 aifs;
};
/**
* @aid: association ID number, valid only when @assoc is true
* @use_cts_prot: use CTS protection
* @use_short_preamble: use 802.11b short preamble
+ * @dtim_period: num of beacons before the next DTIM, for PSM
* @timestamp: beacon timestamp
* @beacon_int: beacon interval
- * @assoc_capability: capabbilities taken from assoc resp
+ * @assoc_capability: capabilities taken from assoc resp
* @assoc_ht: association in HT mode
* @ht_conf: ht capabilities
* @ht_bss_conf: ht extended capabilities
/* erp related data */
bool use_cts_prot;
bool use_short_preamble;
+ u8 dtim_period;
u16 beacon_int;
u16 assoc_capability;
u64 timestamp;
};
/**
- * enum mac80211_tx_flags - flags to transmission information/status
+ * enum mac80211_tx_control_flags - flags to describe transmission information/status
*
- * These flags are used with the @flags member of &ieee80211_tx_info
+ * These flags are used with the @flags member of &ieee80211_tx_info.
*
* @IEEE80211_TX_CTL_REQ_TX_STATUS: request TX status callback for this frame.
- * @IEEE80211_TX_CTL_DO_NOT_ENCRYPT: send this frame without encryption;
- * e.g., for EAPOL frame
* @IEEE80211_TX_CTL_USE_RTS_CTS: use RTS-CTS before sending frame
* @IEEE80211_TX_CTL_USE_CTS_PROTECT: use CTS protection for the frame (e.g.,
* for combined 802.11g / 802.11b networks)
* @IEEE80211_TX_CTL_NO_ACK: tell the low level not to wait for an ack
- * @IEEE80211_TX_CTL_RATE_CTRL_PROBE
+ * @IEEE80211_TX_CTL_RATE_CTRL_PROBE: TBD
* @IEEE80211_TX_CTL_CLEAR_PS_FILT: clear powersave filter for destination
* station
- * @IEEE80211_TX_CTL_REQUEUE:
+ * @IEEE80211_TX_CTL_REQUEUE: TBD
* @IEEE80211_TX_CTL_FIRST_FRAGMENT: this is a first fragment of the frame
+ * @IEEE80211_TX_CTL_SHORT_PREAMBLE: TBD
* @IEEE80211_TX_CTL_LONG_RETRY_LIMIT: this frame should be send using the
* through set_retry_limit configured long retry value
- * @IEEE80211_TX_CTL_EAPOL_FRAME: internal to mac80211
* @IEEE80211_TX_CTL_SEND_AFTER_DTIM: send this frame after DTIM beacon
* @IEEE80211_TX_CTL_AMPDU: this frame should be sent as part of an A-MPDU
* @IEEE80211_TX_CTL_OFDM_HT: this frame can be sent in HT OFDM rates. number
* @IEEE80211_TX_CTL_40_MHZ_WIDTH: send this frame using 40 Mhz channel width
* @IEEE80211_TX_CTL_DUP_DATA: duplicate data frame on both 20 Mhz channels
* @IEEE80211_TX_CTL_SHORT_GI: send this frame using short guard interval
+ * @IEEE80211_TX_CTL_INJECTED: TBD
* @IEEE80211_TX_STAT_TX_FILTERED: The frame was not transmitted
* because the destination STA was in powersave mode.
* @IEEE80211_TX_STAT_ACK: Frame was acknowledged
* @IEEE80211_TX_STAT_AMPDU: The frame was aggregated, so status
* is for the whole aggregation.
+ * @IEEE80211_TX_STAT_AMPDU_NO_BACK: no block ack was returned,
+ * so consider using block ack request (BAR).
+ * @IEEE80211_TX_CTL_ASSIGN_SEQ: The driver has to assign a sequence
+ * number to this frame, taking care of not overwriting the fragment
+ * number and increasing the sequence number only when the
+ * IEEE80211_TX_CTL_FIRST_FRAGMENT flags is set. mac80211 will properly
+ * assign sequence numbers to QoS-data frames but cannot do so correctly
+ * for non-QoS-data and management frames because beacons need them from
+ * that counter as well and mac80211 cannot guarantee proper sequencing.
+ * If this flag is set, the driver should instruct the hardware to
+ * assign a sequence number to the frame or assign one itself. Cf. IEEE
+ * 802.11-2007 7.1.3.4.1 paragraph 3. This flag will always be set for
+ * beacons always be clear for frames without a sequence number field.
*/
enum mac80211_tx_control_flags {
IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0),
- IEEE80211_TX_CTL_DO_NOT_ENCRYPT = BIT(1),
IEEE80211_TX_CTL_USE_RTS_CTS = BIT(2),
IEEE80211_TX_CTL_USE_CTS_PROTECT = BIT(3),
IEEE80211_TX_CTL_NO_ACK = BIT(4),
IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(8),
IEEE80211_TX_CTL_SHORT_PREAMBLE = BIT(9),
IEEE80211_TX_CTL_LONG_RETRY_LIMIT = BIT(10),
- IEEE80211_TX_CTL_EAPOL_FRAME = BIT(11),
IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(12),
IEEE80211_TX_CTL_AMPDU = BIT(13),
IEEE80211_TX_CTL_OFDM_HT = BIT(14),
IEEE80211_TX_STAT_TX_FILTERED = BIT(20),
IEEE80211_TX_STAT_ACK = BIT(21),
IEEE80211_TX_STAT_AMPDU = BIT(22),
+ IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(23),
+ IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(24),
};
* (3) TX status information - driver tells mac80211 what happened
*
* @flags: transmit info flags, defined above
+ * @band: TBD
+ * @tx_rate_idx: TBD
+ * @antenna_sel_tx: TBD
+ * @control: union for control data
+ * @status: union for status data
+ * @driver_data: array of driver_data pointers
* @retry_count: number of retries
* @excessive_retries: set to 1 if the frame was retried many times
* but not acknowledged
struct ieee80211_vif *vif;
struct ieee80211_key_conf *hw_key;
unsigned long jiffies;
- int ifindex;
u16 aid;
s8 rts_cts_rate_idx, alt_retry_rate_idx;
u8 retry_limit;
* @IEEE80211_CONF_SHORT_SLOT_TIME: use 802.11g short slot time
* @IEEE80211_CONF_RADIOTAP: add radiotap header at receive time (if supported)
* @IEEE80211_CONF_SUPPORT_HT_MODE: use 802.11n HT capabilities (if supported)
+ * @IEEE80211_CONF_PS: Enable 802.11 power save mode
*/
enum ieee80211_conf_flags {
IEEE80211_CONF_SHORT_SLOT_TIME = (1<<0),
IEEE80211_CONF_RADIOTAP = (1<<1),
IEEE80211_CONF_SUPPORT_HT_MODE = (1<<2),
+ IEEE80211_CONF_PS = (1<<3),
};
/**
* @radio_enabled: when zero, driver is required to switch off the radio.
* TODO make a flag
* @beacon_int: beacon interval (TODO make interface config)
+ * @listen_interval: listen interval in units of beacon interval
* @flags: configuration flags defined above
* @power_level: requested transmit power (in dBm)
* @max_antenna_gain: maximum antenna gain (in dBi)
int radio_enabled;
int beacon_int;
+ u16 listen_interval;
u32 flags;
int power_level;
int max_antenna_gain;
};
/**
+ * enum ieee80211_if_conf_change - interface config change flags
+ *
+ * @IEEE80211_IFCC_BSSID: The BSSID changed.
+ * @IEEE80211_IFCC_SSID: The SSID changed.
+ * @IEEE80211_IFCC_BEACON: The beacon for this interface changed
+ * (currently AP and MESH only), use ieee80211_beacon_get().
+ */
+enum ieee80211_if_conf_change {
+ IEEE80211_IFCC_BSSID = BIT(0),
+ IEEE80211_IFCC_SSID = BIT(1),
+ IEEE80211_IFCC_BEACON = BIT(2),
+};
+
+/**
* struct ieee80211_if_conf - configuration of an interface
*
- * @type: type of the interface. This is always the same as was specified in
- * &struct ieee80211_if_init_conf. The type of an interface never changes
- * during the life of the interface; this field is present only for
- * convenience.
+ * @changed: parameters that have changed, see &enum ieee80211_if_conf_change.
* @bssid: BSSID of the network we are associated to/creating.
* @ssid: used (together with @ssid_len) by drivers for hardware that
* generate beacons independently. The pointer is valid only during the
* config_interface() call, so copy the value somewhere if you need
* it.
* @ssid_len: length of the @ssid field.
- * @beacon: beacon template. Valid only if @host_gen_beacon_template in
- * &struct ieee80211_hw is set. The driver is responsible of freeing
- * the sk_buff.
- * @beacon_control: tx_control for the beacon template, this field is only
- * valid when the @beacon field was set.
*
* This structure is passed to the config_interface() callback of
* &struct ieee80211_hw.
*/
struct ieee80211_if_conf {
- int type;
+ u32 changed;
u8 *bssid;
u8 *ssid;
size_t ssid_len;
- struct sk_buff *beacon;
};
/**
ALG_CCMP,
};
+/**
+ * enum ieee80211_key_len - key length
+ * @LEN_WEP40: WEP 5-byte long key
+ * @LEN_WEP104: WEP 13-byte long key
+ */
+enum ieee80211_key_len {
+ LEN_WEP40 = 5,
+ LEN_WEP104 = 13,
+};
/**
* enum ieee80211_key_flags - key flags
* enum sta_notify_cmd - sta notify command
*
* Used with the sta_notify() callback in &struct ieee80211_ops, this
- * indicates addition and removal of a station to station table
+ * indicates addition and removal of a station to station table.
*
* @STA_NOTIFY_ADD: a station was added to the station table
* @STA_NOTIFY_REMOVE: a station being removed from the station table
* any particular flags. There are some exceptions to this rule,
* however, so you are advised to review these flags carefully.
*
- * @IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE:
- * The device only needs to be supplied with a beacon template.
- * If you need the host to generate each beacon then don't use
- * this flag and call ieee80211_beacon_get() when you need the
- * next beacon frame. Note that if you set this flag, you must
- * implement the set_tim() callback for powersave mode to work
- * properly.
- * This flag is only relevant for access-point mode.
- *
* @IEEE80211_HW_RX_INCLUDES_FCS:
* Indicates that received frames passed to the stack include
* the FCS at the end.
* rely on the host system for such buffering. This option is used
* to configure the IEEE 802.11 upper layer to buffer broadcast and
* multicast frames when there are power saving stations so that
- * the driver can fetch them with ieee80211_get_buffered_bc(). Note
- * that not setting this flag works properly only when the
- * %IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE is also not set because
- * otherwise the stack will not know when the DTIM beacon was sent.
+ * the driver can fetch them with ieee80211_get_buffered_bc().
*
* @IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE:
* Hardware is not capable of short slot operation on the 2.4 GHz band.
* @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
*/
enum ieee80211_hw_flags {
- IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE = 1<<0,
IEEE80211_HW_RX_INCLUDES_FCS = 1<<1,
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING = 1<<2,
IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE = 1<<3,
IEEE80211_HW_SIGNAL_DB = 1<<6,
IEEE80211_HW_SIGNAL_DBM = 1<<7,
IEEE80211_HW_NOISE_DBM = 1<<8,
+ IEEE80211_HW_SPECTRUM_MGMT = 1<<9,
};
/**
* @max_signal: Maximum value for signal (rssi) in RX information, used
* only when @IEEE80211_HW_SIGNAL_UNSPEC or @IEEE80211_HW_SIGNAL_DB
*
+ * @max_listen_interval: max listen interval in units of beacon interval
+ * that HW supports
+ *
* @queues: number of available hardware transmit queues for
* data packets. WMM/QoS requires at least four, these
* queues need to have configurable access parameters.
unsigned int extra_tx_headroom;
int channel_change_time;
int vif_data_size;
- u16 queues, ampdu_queues;
+ u16 queues;
+ u16 ampdu_queues;
+ u16 max_listen_interval;
s8 max_signal;
};
static inline int ieee80211_num_regular_queues(struct ieee80211_hw *hw)
{
-#ifdef CONFIG_MAC80211_QOS
return hw->queues;
-#else
- return 1;
-#endif
}
static inline int ieee80211_num_queues(struct ieee80211_hw *hw)
{
-#ifdef CONFIG_MAC80211_QOS
return hw->queues + hw->ampdu_queues;
-#else
- return 1;
-#endif
}
static inline struct ieee80211_rate *
* See the section "Frame filtering" for more information.
* This callback must be implemented and atomic.
*
- * @set_tim: Set TIM bit. If the hardware/firmware takes care of beacon
- * generation (that is, %IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE is set)
- * mac80211 calls this function when a TIM bit must be set or cleared
- * for a given AID. Must be atomic.
+ * @set_tim: Set TIM bit. mac80211 calls this function when a TIM bit
+ * must be set or cleared for a given AID. Must be atomic.
*
* @set_key: See the section "Hardware crypto acceleration"
* This callback can sleep, and is only called between add_interface
* function is optional if the firmware/hardware takes full care of
* TSF synchronization.
*
- * @beacon_update: Setup beacon data for IBSS beacons. Unlike access point,
- * IBSS uses a fixed beacon frame which is configured using this
- * function.
- * If the driver returns success (0) from this callback, it owns
- * the skb. That means the driver is responsible to kfree_skb() it.
- * The control structure is not dynamically allocated. That means the
- * driver does not own the pointer and if it needs it somewhere
- * outside of the context of this function, it must copy it
- * somewhere else.
- * This handler is required only for IBSS mode.
- *
* @tx_last_beacon: Determine whether the last IBSS beacon was sent by us.
* This is needed only for IBSS mode and the result of this function is
* used to determine whether to reply to Probe Requests.
struct ieee80211_tx_queue_stats *stats);
u64 (*get_tsf)(struct ieee80211_hw *hw);
void (*reset_tsf)(struct ieee80211_hw *hw);
- int (*beacon_update)(struct ieee80211_hw *hw,
- struct sk_buff *skb);
int (*tx_last_beacon)(struct ieee80211_hw *hw);
int (*ampdu_action)(struct ieee80211_hw *hw,
enum ieee80211_ampdu_mlme_action action,
*
* This function frees everything that was allocated, including the
* private data for the driver. You must call ieee80211_unregister_hw()
- * before calling this function
+ * before calling this function.
*
* @hw: the hardware to free
*/
struct sk_buff *skb);
/**
- * ieee80211_tx_status_irqsafe - irq-safe transmit status callback
+ * ieee80211_tx_status_irqsafe - IRQ-safe transmit status callback
*
* Like ieee80211_tx_status() but can be called in IRQ context
* (internally defers to a tasklet.)
* @keyconf: the parameter passed with the set key
* @skb: the skb for which the key is needed
* @rc4key: a buffer to which the key will be written
+ * @type: TBD
+ * @key: TBD
*/
void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
struct sk_buff *skb,
void ieee80211_scan_completed(struct ieee80211_hw *hw);
/**
- * ieee80211_iterate_active_interfaces- iterate active interfaces
+ * ieee80211_iterate_active_interfaces - iterate active interfaces
*
* This function iterates over the interfaces associated with a given
* hardware that are currently active and calls the callback for them.
*
* This function must be called by low level driver once it has
* finished with preparations for the BA session.
- * This version of the function is irq safe.
+ * This version of the function is IRQ-safe.
*/
void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
u16 tid);
*
* This function must be called by low level driver once it has
* finished with preparations for the BA session tear down.
- * This version of the function is irq safe.
+ * This version of the function is IRQ-safe.
*/
void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
u16 tid);
/**
* ieee80211_notify_mac - low level driver notification
* @hw: pointer as obtained from ieee80211_alloc_hw().
- * @notification_types: enum ieee80211_notification_types
+ * @notif_type: enum ieee80211_notification_types
*
* This function must be called by low level driver to inform mac80211 of
* low level driver status change or force mac80211 to re-assoc for low
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff