#include <linux/wireless.h>
#include <linux/device.h>
#include <linux/ieee80211.h>
-#include <linux/inetdevice.h>
#include <net/cfg80211.h>
/**
* 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,
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
*
* 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
* @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;
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;
};
/**
s8 idx;
u8 count;
u8 flags;
-} __attribute__((packed));
+} __packed;
/**
* struct ieee80211_tx_info - skb transmit information
* 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),
};
* @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, dynamic_ps_forced_timeout;
+ int power_level, dynamic_ps_timeout;
int max_sleep_period;
u16 listen_interval;
* 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,
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,
* 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
*
* 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
* of the bss parameters has changed when a call is made. The callback
* can sleep.
*
- * @configure_arp_filter: Configuration function for hardware ARP query filter.
- * This function is called with all the IP addresses configured to the
- * interface as argument - all ARP queries targeted to any of these
- * addresses must pass through. If the hardware filter does not support
- * enought addresses, hardware filtering must be disabled. The ifa_list
- * argument may be NULL, indicating that filtering must be disabled.
- * This function is called upon association complete with current
- * address(es), and while associated whenever the IP address(es) change.
- * The callback can sleep.
- *
* @prepare_multicast: Prepare for multicast filter configuration.
* This callback is optional, and its return value is passed
* to configure_filter(). This callback must be atomic.
* 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
*
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
u32 changed);
- int (*configure_arp_filter)(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct in_ifaddr *ifa_list);
u64 (*prepare_multicast)(struct ieee80211_hw *hw,
struct netdev_hw_addr_list *mc_list);
void (*configure_filter)(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
* @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);
*/
int ieee80211_stop_tx_ba_session(struct ieee80211_sta *sta, u16 tid);
-/**
- * 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);
-
/**
* ieee80211_stop_tx_ba_cb_irqsafe - low level driver ready to stop aggregate.
* @vif: &struct ieee80211_vif pointer from the add_interface callback
* @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);
*/
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
projects / firefly-linux-kernel-4.4.55.git / blobdiff