diff options
Diffstat (limited to 'include/net/mac80211.h')
| -rw-r--r-- | include/net/mac80211.h | 84 |
1 files changed, 53 insertions, 31 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 12a52efcd0d..3b83a80e3fe 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -93,12 +93,9 @@ struct ieee80211_ht_bss_info { * enum ieee80211_max_queues - maximum number of queues * * @IEEE80211_MAX_QUEUES: Maximum number of regular device queues. - * @IEEE80211_MAX_AMPDU_QUEUES: Maximum number of queues usable - * for A-MPDU operation. */ enum ieee80211_max_queues { - IEEE80211_MAX_QUEUES = 16, - IEEE80211_MAX_AMPDU_QUEUES = 16, + IEEE80211_MAX_QUEUES = 4, }; /** @@ -245,6 +242,12 @@ struct ieee80211_bss_conf { * @IEEE80211_TX_CTL_RATE_CTRL_PROBE: internal to mac80211, can be * set by rate control algorithms to indicate probe rate, will * be cleared for fragmented frames (except on the last fragment) + * @IEEE80211_TX_INTFL_RCALGO: mac80211 internal flag, do not test or + * set this flag in the driver; indicates that the rate control + * algorithm was used and should be notified of TX status + * @IEEE80211_TX_INTFL_NEED_TXPROCESSING: completely internal to mac80211, + * used to indicate that a pending frame requires TX processing before + * it can be sent out. */ enum mac80211_tx_control_flags { IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0), @@ -260,6 +263,8 @@ enum mac80211_tx_control_flags { IEEE80211_TX_STAT_AMPDU = BIT(10), IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(11), IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(12), + IEEE80211_TX_INTFL_RCALGO = BIT(13), + IEEE80211_TX_INTFL_NEED_TXPROCESSING = BIT(14), }; /** @@ -520,12 +525,6 @@ enum ieee80211_conf_flags { IEEE80211_CONF_PS = (1<<1), }; -/* XXX: remove all this once drivers stop trying to use it */ -static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void) -{ - return 0; -} -#define IEEE80211_CONF_SHORT_SLOT_TIME (__IEEE80211_CONF_SHORT_SLOT_TIME()) /** * enum ieee80211_conf_changed - denotes which configuration changed @@ -888,6 +887,10 @@ enum ieee80211_tkip_key_type { * * @IEEE80211_HW_MFP_CAPABLE: * Hardware supports management frame protection (MFP, IEEE 802.11w). + * + * @IEEE80211_HW_BEACON_FILTER: + * Hardware supports dropping of irrelevant beacon frames to + * avoid waking up cpu. */ enum ieee80211_hw_flags { IEEE80211_HW_RX_INCLUDES_FCS = 1<<1, @@ -903,6 +906,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_PS_NULLFUNC_STACK = 1<<11, IEEE80211_HW_SUPPORTS_DYNAMIC_PS = 1<<12, IEEE80211_HW_MFP_CAPABLE = 1<<13, + IEEE80211_HW_BEACON_FILTER = 1<<14, }; /** @@ -945,12 +949,6 @@ enum ieee80211_hw_flags { * data packets. WMM/QoS requires at least four, these * queues need to have configurable access parameters. * - * @ampdu_queues: number of available hardware transmit queues - * for A-MPDU packets, these have no access parameters - * because they're used only for A-MPDU frames. Note that - * mac80211 will not currently use any of the regular queues - * for aggregation. - * * @rate_control_algorithm: rate control algorithm for this hardware. * If unset (NULL), the default algorithm will be used. Must be * set before calling ieee80211_register_hw(). @@ -975,7 +973,6 @@ struct ieee80211_hw { int vif_data_size; int sta_data_size; u16 queues; - u16 ampdu_queues; u16 max_listen_interval; s8 max_signal; u8 max_rates; @@ -1017,11 +1014,6 @@ static inline void SET_IEEE80211_PERM_ADDR(struct ieee80211_hw *hw, u8 *addr) memcpy(hw->wiphy->perm_addr, addr, ETH_ALEN); } -static inline int ieee80211_num_regular_queues(struct ieee80211_hw *hw) -{ - return hw->queues; -} - static inline struct ieee80211_rate * ieee80211_get_tx_rate(const struct ieee80211_hw *hw, const struct ieee80211_tx_info *c) @@ -1132,6 +1124,24 @@ ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw, */ /** + * DOC: Beacon filter support + * + * Some hardware have beacon filter support to reduce host cpu wakeups + * which will reduce system power consumption. It usuallly works so that + * the firmware creates a checksum of the beacon but omits all constantly + * changing elements (TSF, TIM etc). Whenever the checksum changes the + * beacon is forwarded to the host, otherwise it will be just dropped. That + * way the host will only receive beacons where some relevant information + * (for example ERP protection or WMM settings) have changed. + * + * Beacon filter support is informed with %IEEE80211_HW_BEACON_FILTER flag. + * The driver needs to enable beacon filter support whenever power save is + * enabled, that is %IEEE80211_CONF_PS is set. When power save is enabled, + * the stack will not check for beacon miss at all and the driver needs to + * notify about complete loss of beacons with ieee80211_beacon_loss(). + */ + +/** * DOC: Frame filtering * * mac80211 requires to see many management frames for proper @@ -1220,14 +1230,14 @@ enum ieee80211_filter_flags { * @IEEE80211_AMPDU_RX_STOP: stop Rx aggregation * @IEEE80211_AMPDU_TX_START: start Tx aggregation * @IEEE80211_AMPDU_TX_STOP: stop Tx aggregation - * @IEEE80211_AMPDU_TX_RESUME: resume TX aggregation + * @IEEE80211_AMPDU_TX_OPERATIONAL: TX aggregation has become operational */ enum ieee80211_ampdu_mlme_action { IEEE80211_AMPDU_RX_START, IEEE80211_AMPDU_RX_STOP, IEEE80211_AMPDU_TX_START, IEEE80211_AMPDU_TX_STOP, - IEEE80211_AMPDU_TX_RESUME, + IEEE80211_AMPDU_TX_OPERATIONAL, }; /** @@ -1318,11 +1328,13 @@ enum ieee80211_ampdu_mlme_action { * * @hw_scan: Ask the hardware to service the scan request, no need to start * the scan state machine in stack. The scan must honour the channel - * configuration done by the regulatory agent in the wiphy's registered - * bands. When the scan finishes, ieee80211_scan_completed() must be - * called; note that it also must be called when the scan cannot finish - * because the hardware is turned off! Anything else is a bug! - * Returns a negative error code which will be seen in userspace. + * configuration done by the regulatory agent in the wiphy's + * registered bands. The hardware (or the driver) needs to make sure + * that power save is disabled. When the scan finishes, + * ieee80211_scan_completed() must be called; note that it also must + * be called when the scan cannot finish because the hardware is + * turned off! Anything else is a bug! Returns a negative error code + * which will be seen in userspace. * * @sw_scan_start: Notifier function that is called just before a software scan * is started. Can be NULL, if the driver doesn't need this notification. @@ -1350,8 +1362,8 @@ enum ieee80211_ampdu_mlme_action { * @get_tx_stats: Get statistics of the current TX queue status. This is used * to get number of currently queued packets (queue length), maximum queue * size (limit), and total number of packets sent using each TX queue - * (count). The 'stats' pointer points to an array that has hw->queues + - * hw->ampdu_queues items. + * (count). The 'stats' pointer points to an array that has hw->queues + * items. * * @get_tsf: Get the current TSF timer value from firmware/hardware. Currently, * this is only used for IBSS mode BSSID merging and debugging. Is not a @@ -1979,6 +1991,16 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra, struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw, const u8 *addr); +/** + * ieee80211_beacon_loss - inform hardware does not receive beacons + * + * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf. + * + * 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); /* Rate control API */ |