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-rw-r--r--include/net/mac80211.h145
1 files changed, 89 insertions, 56 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index de22cbfef23..b0787a1dea9 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -146,6 +146,9 @@ struct ieee80211_low_level_stats {
* enabled/disabled (beaconing modes)
* @BSS_CHANGED_CQM: Connection quality monitor config changed
* @BSS_CHANGED_IBSS: IBSS join status changed
+ * @BSS_CHANGED_ARP_FILTER: Hardware ARP filter address list or state changed.
+ * @BSS_CHANGED_QOS: QoS for this association was enabled/disabled. Note
+ * that it is only ever disabled for station mode.
*/
enum ieee80211_bss_change {
BSS_CHANGED_ASSOC = 1<<0,
@@ -160,10 +163,19 @@ enum ieee80211_bss_change {
BSS_CHANGED_BEACON_ENABLED = 1<<9,
BSS_CHANGED_CQM = 1<<10,
BSS_CHANGED_IBSS = 1<<11,
+ BSS_CHANGED_ARP_FILTER = 1<<12,
+ BSS_CHANGED_QOS = 1<<13,
/* when adding here, make sure to change ieee80211_reconfig */
};
+/*
+ * The maximum number of IPv4 addresses listed for ARP filtering. If the number
+ * of addresses for an interface increase beyond this value, hardware ARP
+ * filtering will be disabled.
+ */
+#define IEEE80211_BSS_ARP_ADDR_LIST_LEN 4
+
/**
* struct ieee80211_bss_conf - holds the BSS's changing parameters
*
@@ -182,7 +194,9 @@ enum ieee80211_bss_change {
* if the hardware cannot handle this it must set the
* IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE hardware flag
* @dtim_period: num of beacons before the next DTIM, for beaconing,
- * not valid in station mode (cf. hw conf ps_dtim_period)
+ * valid in station mode only while @assoc is true and if also
+ * requested by %IEEE80211_HW_NEED_DTIM_PERIOD (cf. also hw conf
+ * @ps_dtim_period)
* @timestamp: beacon timestamp
* @beacon_int: beacon interval
* @assoc_capability: capabilities taken from assoc resp
@@ -199,6 +213,16 @@ enum ieee80211_bss_change {
* @cqm_rssi_thold: Connection quality monitor RSSI threshold, a zero value
* implies disabled
* @cqm_rssi_hyst: Connection quality monitor RSSI hysteresis
+ * @arp_addr_list: List of IPv4 addresses for hardware ARP filtering. The
+ * may filter ARP queries targeted for other addresses than listed here.
+ * The driver must allow ARP queries targeted for all address listed here
+ * to pass through. An empty list implies no ARP queries need to pass.
+ * @arp_addr_cnt: Number of addresses currently on the list.
+ * @arp_filter_enabled: Enable ARP filtering - if enabled, the hardware may
+ * filter ARP queries based on the @arp_addr_list, if disabled, the
+ * hardware must not perform any ARP filtering. Note, that the filter will
+ * be enabled also in promiscuous mode.
+ * @qos: This is a QoS-enabled BSS.
*/
struct ieee80211_bss_conf {
const u8 *bssid;
@@ -219,6 +243,10 @@ struct ieee80211_bss_conf {
s32 cqm_rssi_thold;
u32 cqm_rssi_hyst;
enum nl80211_channel_type channel_type;
+ __be32 arp_addr_list[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
+ u8 arp_addr_cnt;
+ bool arp_filter_enabled;
+ bool qos;
};
/**
@@ -312,9 +340,10 @@ enum mac80211_tx_control_flags {
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
};
+#define IEEE80211_TX_CTL_STBC_SHIFT 23
+
/**
* enum mac80211_rate_control_flags - per-rate flags set by the
* Rate Control algorithm.
@@ -390,7 +419,7 @@ struct ieee80211_tx_rate {
s8 idx;
u8 count;
u8 flags;
-} __attribute__((packed));
+} __packed;
/**
* struct ieee80211_tx_info - skb transmit information
@@ -412,8 +441,6 @@ struct ieee80211_tx_rate {
* @driver_data: array of driver_data pointers
* @ampdu_ack_len: number of acked aggregated frames.
* relevant only if IEEE80211_TX_STAT_AMPDU was set.
- * @ampdu_ack_map: block ack bit map for the aggregation.
- * relevant only if IEEE80211_TX_STAT_AMPDU was set.
* @ampdu_len: number of aggregated frames.
* relevant only if IEEE80211_TX_STAT_AMPDU was set.
* @ack_signal: signal strength of the ACK frame
@@ -448,10 +475,9 @@ struct ieee80211_tx_info {
struct {
struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
u8 ampdu_ack_len;
- u64 ampdu_ack_map;
int ack_signal;
u8 ampdu_len;
- /* 7 bytes free */
+ /* 15 bytes free */
} status;
struct {
struct ieee80211_tx_rate driver_rates[
@@ -601,15 +627,14 @@ struct ieee80211_rx_status {
* 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.
+ * @IEEE80211_CONF_OFFCHANNEL: The device is currently not on its main
+ * operating channel.
*/
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_OFFCHANNEL = (1<<3),
};
@@ -624,7 +649,6 @@ enum ieee80211_conf_flags {
* @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),
@@ -635,7 +659,6 @@ enum ieee80211_conf_changed {
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),
};
/**
@@ -676,9 +699,6 @@ enum ieee80211_smps_mode {
* @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)
*
@@ -698,7 +718,7 @@ enum ieee80211_smps_mode {
*/
struct ieee80211_conf {
u32 flags;
- int power_level, dynamic_ps_timeout, dynamic_ps_forced_timeout;
+ int power_level, dynamic_ps_timeout;
int max_sleep_period;
u16 listen_interval;
@@ -815,7 +835,6 @@ enum ieee80211_key_flags {
* encrypted in hardware.
* @alg: The key algorithm.
* @flags: key flags, see &enum ieee80211_key_flags.
- * @ap_addr: AP's MAC address
* @keyidx: the key index (0-3)
* @keylen: key material length
* @key: key material. For ALG_TKIP the key is encoded as a 256-bit (32 byte)
@@ -881,16 +900,12 @@ struct ieee80211_sta {
* 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,
- * or if a associated station made a power state transition.
+ * indicates if an associated station made a power state transition.
*
- * @STA_NOTIFY_ADD: (DEPRECATED) a station was added to the station table
- * @STA_NOTIFY_REMOVE: (DEPRECATED) a station being removed from the station table
* @STA_NOTIFY_SLEEP: a station is now sleeping
* @STA_NOTIFY_AWAKE: a sleeping station woke up
*/
enum sta_notify_cmd {
- STA_NOTIFY_ADD, STA_NOTIFY_REMOVE,
STA_NOTIFY_SLEEP, STA_NOTIFY_AWAKE,
};
@@ -1014,6 +1029,9 @@ enum ieee80211_tkip_key_type {
* connection quality related parameters, such as the RSSI level and
* provide notifications if configured trigger levels are reached.
*
+ * @IEEE80211_HW_NEED_DTIM_PERIOD:
+ * This device needs to know the DTIM period for the BSS before
+ * associating.
*/
enum ieee80211_hw_flags {
IEEE80211_HW_HAS_RATE_CONTROL = 1<<0,
@@ -1023,7 +1041,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE = 1<<4,
IEEE80211_HW_SIGNAL_UNSPEC = 1<<5,
IEEE80211_HW_SIGNAL_DBM = 1<<6,
- /* use this hole */
+ IEEE80211_HW_NEED_DTIM_PERIOD = 1<<7,
IEEE80211_HW_SPECTRUM_MGMT = 1<<8,
IEEE80211_HW_AMPDU_AGGREGATION = 1<<9,
IEEE80211_HW_SUPPORTS_PS = 1<<10,
@@ -1260,6 +1278,15 @@ ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw,
* dynamic PS feature in stack and will just keep %IEEE80211_CONF_PS
* enabled whenever user has enabled powersave.
*
+ * Some hardware need to toggle a single shared antenna between WLAN and
+ * Bluetooth to facilitate co-existence. These types of hardware set
+ * limitations on the use of host controlled dynamic powersave whenever there
+ * is simultaneous WLAN and Bluetooth traffic. For these types of hardware, the
+ * driver may request temporarily going into full power save, in order to
+ * enable toggling the antenna between BT and WLAN. If the driver requests
+ * disabling dynamic powersave, the @dynamic_ps_timeout value will be
+ * temporarily set to zero until the driver re-enables dynamic powersave.
+ *
* Driver informs U-APSD client support by enabling
* %IEEE80211_HW_SUPPORTS_UAPSD flag. The mode is configured through the
* uapsd paramater in conf_tx() operation. Hardware needs to send the QoS
@@ -1451,7 +1478,7 @@ enum ieee80211_filter_flags {
*
* Note that drivers MUST be able to deal with a TX aggregation
* session being stopped even before they OK'ed starting it by
- * calling ieee80211_start_tx_ba_cb(_irqsafe), because the peer
+ * calling ieee80211_start_tx_ba_cb_irqsafe, because the peer
* might receive the addBA frame and send a delBA right away!
*
* @IEEE80211_AMPDU_RX_START: start Rx aggregation
@@ -1636,7 +1663,7 @@ enum ieee80211_ampdu_mlme_action {
* is the first frame we expect to perform the action on. Notice
* that TX/RX_STOP can pass NULL for this parameter.
* Returns a negative error code on failure.
- * The callback must be atomic.
+ * The callback can sleep.
*
* @get_survey: Return per-channel survey information
*
@@ -2307,25 +2334,14 @@ void ieee80211_queue_delayed_work(struct ieee80211_hw *hw,
int ieee80211_start_tx_ba_session(struct ieee80211_sta *sta, u16 tid);
/**
- * ieee80211_start_tx_ba_cb - low level driver ready to aggregate.
- * @vif: &struct ieee80211_vif pointer from the add_interface callback
- * @ra: receiver address of the BA session recipient.
- * @tid: the TID to BA on.
- *
- * This function must be called by low level driver once it has
- * finished with preparations for the BA session.
- */
-void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
-
-/**
* ieee80211_start_tx_ba_cb_irqsafe - low level driver ready to aggregate.
* @vif: &struct ieee80211_vif pointer from the add_interface callback
* @ra: receiver address of the BA session recipient.
* @tid: the TID to BA on.
*
* 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.
+ * finished with preparations for the BA session. It can be called
+ * from any context.
*/
void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, const u8 *ra,
u16 tid);
@@ -2334,27 +2350,14 @@ void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, const u8 *ra,
* ieee80211_stop_tx_ba_session - Stop a Block Ack session.
* @sta: the station whose BA session to stop
* @tid: the TID to stop BA.
- * @initiator: if indicates initiator DELBA frame will be sent.
*
- * Return: error if no sta with matching da found, success otherwise
+ * Return: negative error if the TID is invalid, or no aggregation active
*
* Although mac80211/low level driver/user space application can estimate
* the need to stop aggregation on a certain RA/TID, the session level
* will be managed by the mac80211.
*/
-int ieee80211_stop_tx_ba_session(struct ieee80211_sta *sta, u16 tid,
- enum ieee80211_back_parties initiator);
-
-/**
- * ieee80211_stop_tx_ba_cb - low level driver ready to stop aggregate.
- * @vif: &struct ieee80211_vif pointer from the add_interface callback
- * @ra: receiver address of the BA session recipient.
- * @tid: the desired TID to BA on.
- *
- * This function must be called by low level driver once it has
- * finished with preparations for the BA session tear down.
- */
-void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
+int ieee80211_stop_tx_ba_session(struct ieee80211_sta *sta, u16 tid);
/**
* ieee80211_stop_tx_ba_cb_irqsafe - low level driver ready to stop aggregate.
@@ -2363,8 +2366,8 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
* @tid: the desired TID to BA on.
*
* 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.
+ * finished with preparations for the BA session tear down. It
+ * can be called from any context.
*/
void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, const u8 *ra,
u16 tid);
@@ -2460,6 +2463,36 @@ void ieee80211_beacon_loss(struct ieee80211_vif *vif);
void ieee80211_connection_loss(struct ieee80211_vif *vif);
/**
+ * ieee80211_disable_dyn_ps - force mac80211 to temporarily disable dynamic psm
+ *
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ *
+ * Some hardware require full power save to manage simultaneous BT traffic
+ * on the WLAN frequency. Full PSM is required periodically, whenever there are
+ * burst of BT traffic. The hardware gets information of BT traffic via
+ * hardware co-existence lines, and consequentially requests mac80211 to
+ * (temporarily) enter full psm.
+ * This function will only temporarily disable dynamic PS, not enable PSM if
+ * it was not already enabled.
+ * The driver must make sure to re-enable dynamic PS using
+ * ieee80211_enable_dyn_ps() if the driver has disabled it.
+ *
+ */
+void ieee80211_disable_dyn_ps(struct ieee80211_vif *vif);
+
+/**
+ * ieee80211_enable_dyn_ps - restore dynamic psm after being disabled
+ *
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ *
+ * This function restores dynamic PS after being temporarily disabled via
+ * ieee80211_disable_dyn_ps(). Each ieee80211_disable_dyn_ps() call must
+ * be coupled with an eventual call to this function.
+ *
+ */
+void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif);
+
+/**
* ieee80211_cqm_rssi_notify - inform a configured connection quality monitoring
* rssi threshold triggered
*