diff options
Diffstat (limited to 'include/net/mac80211.h')
| -rw-r--r-- | include/net/mac80211.h | 342 |
1 files changed, 252 insertions, 90 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 559422fc0943..3b83a80e3fe0 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, }; /** @@ -207,7 +204,7 @@ struct ieee80211_bss_conf { u16 beacon_int; u16 assoc_capability; u64 timestamp; - u64 basic_rates; + u32 basic_rates; struct ieee80211_bss_ht_conf ht; }; @@ -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), @@ -260,8 +263,30 @@ 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), }; +/** + * enum mac80211_rate_control_flags - per-rate flags set by the + * Rate Control algorithm. + * + * These flags are set by the Rate control algorithm for each rate during tx, + * in the @flags member of struct ieee80211_tx_rate. + * + * @IEEE80211_TX_RC_USE_RTS_CTS: Use RTS/CTS exchange for this rate. + * @IEEE80211_TX_RC_USE_CTS_PROTECT: CTS-to-self protection is required. + * This is set if the current BSS requires ERP protection. + * @IEEE80211_TX_RC_USE_SHORT_PREAMBLE: Use short preamble. + * @IEEE80211_TX_RC_MCS: HT rate. + * @IEEE80211_TX_RC_GREEN_FIELD: Indicates whether this rate should be used in + * Greenfield mode. + * @IEEE80211_TX_RC_40_MHZ_WIDTH: Indicates if the Channel Width should be 40 MHz. + * @IEEE80211_TX_RC_DUP_DATA: The frame should be transmitted on both of the + * adjacent 20 MHz channels, if the current channel type is + * NL80211_CHAN_HT40MINUS or NL80211_CHAN_HT40PLUS. + * @IEEE80211_TX_RC_SHORT_GI: Short Guard interval should be used for this rate. + */ enum mac80211_rate_control_flags { IEEE80211_TX_RC_USE_RTS_CTS = BIT(0), IEEE80211_TX_RC_USE_CTS_PROTECT = BIT(1), @@ -500,17 +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()) - -struct ieee80211_ht_conf { - bool enabled; - enum nl80211_channel_type channel_type; -}; /** * enum ieee80211_conf_changed - denotes which configuration changed @@ -520,10 +534,10 @@ struct ieee80211_ht_conf { * @IEEE80211_CONF_CHANGE_LISTEN_INTERVAL: the listen interval changed * @IEEE80211_CONF_CHANGE_RADIOTAP: the radiotap flag changed * @IEEE80211_CONF_CHANGE_PS: the PS flag changed + * @IEEE80211_CONF_CHANGE_DYNPS_TIMEOUT: the dynamic PS timeout changed * @IEEE80211_CONF_CHANGE_POWER: the TX power changed - * @IEEE80211_CONF_CHANGE_CHANNEL: the channel changed + * @IEEE80211_CONF_CHANGE_CHANNEL: the channel/channel_type changed * @IEEE80211_CONF_CHANGE_RETRY_LIMITS: retry limits changed - * @IEEE80211_CONF_CHANGE_HT: HT configuration changed */ enum ieee80211_conf_changed { IEEE80211_CONF_CHANGE_RADIO_ENABLED = BIT(0), @@ -531,10 +545,10 @@ enum ieee80211_conf_changed { IEEE80211_CONF_CHANGE_LISTEN_INTERVAL = BIT(2), IEEE80211_CONF_CHANGE_RADIOTAP = BIT(3), IEEE80211_CONF_CHANGE_PS = BIT(4), - IEEE80211_CONF_CHANGE_POWER = BIT(5), - IEEE80211_CONF_CHANGE_CHANNEL = BIT(6), - IEEE80211_CONF_CHANGE_RETRY_LIMITS = BIT(7), - IEEE80211_CONF_CHANGE_HT = BIT(8), + IEEE80211_CONF_CHANGE_DYNPS_TIMEOUT = BIT(5), + IEEE80211_CONF_CHANGE_POWER = BIT(6), + IEEE80211_CONF_CHANGE_CHANNEL = BIT(7), + IEEE80211_CONF_CHANGE_RETRY_LIMITS = BIT(8), }; /** @@ -547,8 +561,9 @@ enum ieee80211_conf_changed { * @listen_interval: listen interval in units of beacon interval * @flags: configuration flags defined above * @power_level: requested transmit power (in dBm) + * @dynamic_ps_timeout: dynamic powersave timeout (in ms) * @channel: the channel to tune to - * @ht: the HT configuration for the device + * @channel_type: the channel (HT) type * @long_frame_max_tx_count: Maximum number of transmissions for a "long" frame * (a frame not RTS protected), called "dot11LongRetryLimit" in 802.11, * but actually means the number of transmissions not the number of retries @@ -559,7 +574,7 @@ enum ieee80211_conf_changed { struct ieee80211_conf { int beacon_int; u32 flags; - int power_level; + int power_level, dynamic_ps_timeout; u16 listen_interval; bool radio_enabled; @@ -567,7 +582,7 @@ struct ieee80211_conf { u8 long_frame_max_tx_count, short_frame_max_tx_count; struct ieee80211_channel *channel; - struct ieee80211_ht_conf ht; + enum nl80211_channel_type channel_type; }; /** @@ -630,10 +645,12 @@ struct ieee80211_if_init_conf { * @IEEE80211_IFCC_BSSID: The BSSID changed. * @IEEE80211_IFCC_BEACON: The beacon for this interface changed * (currently AP and MESH only), use ieee80211_beacon_get(). + * @IEEE80211_IFCC_BEACON_ENABLED: The enable_beacon value changed. */ enum ieee80211_if_conf_change { - IEEE80211_IFCC_BSSID = BIT(0), - IEEE80211_IFCC_BEACON = BIT(1), + IEEE80211_IFCC_BSSID = BIT(0), + IEEE80211_IFCC_BEACON = BIT(1), + IEEE80211_IFCC_BEACON_ENABLED = BIT(2), }; /** @@ -641,13 +658,16 @@ enum ieee80211_if_conf_change { * * @changed: parameters that have changed, see &enum ieee80211_if_conf_change. * @bssid: BSSID of the network we are associated to/creating. + * @enable_beacon: Indicates whether beacons can be sent. + * This is valid only for AP/IBSS/MESH modes. * * This structure is passed to the config_interface() callback of * &struct ieee80211_hw. */ struct ieee80211_if_conf { u32 changed; - u8 *bssid; + const u8 *bssid; + bool enable_beacon; }; /** @@ -655,11 +675,13 @@ struct ieee80211_if_conf { * @ALG_WEP: WEP40 or WEP104 * @ALG_TKIP: TKIP * @ALG_CCMP: CCMP (AES) + * @ALG_AES_CMAC: AES-128-CMAC */ enum ieee80211_key_alg { ALG_WEP, ALG_TKIP, ALG_CCMP, + ALG_AES_CMAC, }; /** @@ -688,12 +710,16 @@ enum ieee80211_key_len { * generation in software. * @IEEE80211_KEY_FLAG_PAIRWISE: Set by mac80211, this flag indicates * that the key is pairwise rather then a shared key. + * @IEEE80211_KEY_FLAG_SW_MGMT: This flag should be set by the driver for a + * CCMP key if it requires CCMP encryption of management frames (MFP) to + * be done in software. */ enum ieee80211_key_flags { IEEE80211_KEY_FLAG_WMM_STA = 1<<0, IEEE80211_KEY_FLAG_GENERATE_IV = 1<<1, IEEE80211_KEY_FLAG_GENERATE_MMIC= 1<<2, IEEE80211_KEY_FLAG_PAIRWISE = 1<<3, + IEEE80211_KEY_FLAG_SW_MGMT = 1<<4, }; /** @@ -714,8 +740,8 @@ enum ieee80211_key_flags { * - Temporal Encryption Key (128 bits) * - Temporal Authenticator Tx MIC Key (64 bits) * - Temporal Authenticator Rx MIC Key (64 bits) - * @icv_len: FIXME - * @iv_len: FIXME + * @icv_len: The ICV length for this key type + * @iv_len: The IV length for this key type */ struct ieee80211_key_conf { enum ieee80211_key_alg alg; @@ -759,7 +785,7 @@ enum set_key_cmd { * sizeof(void *), size is determined in hw information. */ struct ieee80211_sta { - u64 supp_rates[IEEE80211_NUM_BANDS]; + u32 supp_rates[IEEE80211_NUM_BANDS]; u8 addr[ETH_ALEN]; u16 aid; struct ieee80211_sta_ht_cap ht_cap; @@ -833,11 +859,6 @@ enum ieee80211_tkip_key_type { * expect values between 0 and @max_signal. * If possible please provide dB or dBm instead. * - * @IEEE80211_HW_SIGNAL_DB: - * Hardware gives signal values in dB, decibel difference from an - * arbitrary, fixed reference. We expect values between 0 and @max_signal. - * If possible please provide dBm instead. - * * @IEEE80211_HW_SIGNAL_DBM: * Hardware gives signal values in dBm, decibel difference from * one milliwatt. This is the preferred method since it is standardized @@ -854,10 +875,22 @@ enum ieee80211_tkip_key_type { * @IEEE80211_HW_AMPDU_AGGREGATION: * Hardware supports 11n A-MPDU aggregation. * - * @IEEE80211_HW_NO_STACK_DYNAMIC_PS: - * Hardware which has dynamic power save support, meaning - * that power save is enabled in idle periods, and don't need support - * from stack. + * @IEEE80211_HW_SUPPORTS_PS: + * Hardware has power save support (i.e. can go to sleep). + * + * @IEEE80211_HW_PS_NULLFUNC_STACK: + * Hardware requires nullfunc frame handling in stack, implies + * stack support for dynamic PS. + * + * @IEEE80211_HW_SUPPORTS_DYNAMIC_PS: + * Hardware has support for dynamic PS. + * + * @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, @@ -865,12 +898,15 @@ enum ieee80211_hw_flags { IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE = 1<<3, IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE = 1<<4, IEEE80211_HW_SIGNAL_UNSPEC = 1<<5, - IEEE80211_HW_SIGNAL_DB = 1<<6, - IEEE80211_HW_SIGNAL_DBM = 1<<7, - IEEE80211_HW_NOISE_DBM = 1<<8, - IEEE80211_HW_SPECTRUM_MGMT = 1<<9, - IEEE80211_HW_AMPDU_AGGREGATION = 1<<10, - IEEE80211_HW_NO_STACK_DYNAMIC_PS = 1<<11, + IEEE80211_HW_SIGNAL_DBM = 1<<6, + IEEE80211_HW_NOISE_DBM = 1<<7, + IEEE80211_HW_SPECTRUM_MGMT = 1<<8, + IEEE80211_HW_AMPDU_AGGREGATION = 1<<9, + IEEE80211_HW_SUPPORTS_PS = 1<<10, + 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, }; /** @@ -890,9 +926,8 @@ enum ieee80211_hw_flags { * @workqueue: single threaded workqueue available for driver use, * allocated by mac80211 on registration and flushed when an * interface is removed. - * NOTICE: All work performed on this workqueue should NEVER - * acquire the RTNL lock (i.e. Don't use the function - * ieee80211_iterate_active_interfaces()) + * NOTICE: All work performed on this workqueue must not + * acquire the RTNL lock. * * @priv: pointer to private area that was allocated for driver use * along with this structure. @@ -914,12 +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(). @@ -944,7 +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; @@ -952,6 +980,19 @@ struct ieee80211_hw { }; /** + * wiphy_to_ieee80211_hw - return a mac80211 driver hw struct from a wiphy + * + * @wiphy: the &struct wiphy which we want to query + * + * mac80211 drivers can use this to get to their respective + * &struct ieee80211_hw. Drivers wishing to get to their own private + * structure can then access it via hw->priv. Note that mac802111 drivers should + * not use wiphy_priv() to try to get their private driver structure as this + * is already used internally by mac80211. + */ +struct ieee80211_hw *wiphy_to_ieee80211_hw(struct wiphy *wiphy); + +/** * SET_IEEE80211_DEV - set device for 802.11 hardware * * @hw: the &struct ieee80211_hw to set the device for @@ -973,16 +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 int ieee80211_num_queues(struct ieee80211_hw *hw) -{ - return hw->queues + hw->ampdu_queues; -} - static inline struct ieee80211_rate * ieee80211_get_tx_rate(const struct ieee80211_hw *hw, const struct ieee80211_tx_info *c) @@ -1018,16 +1049,12 @@ ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw, * * The set_key() callback in the &struct ieee80211_ops for a given * device is called to enable hardware acceleration of encryption and - * decryption. The callback takes an @address parameter that will be - * the broadcast address for default keys, the other station's hardware - * address for individual keys or the zero address for keys that will - * be used only for transmission. + * decryption. The callback takes a @sta parameter that will be NULL + * for default keys or keys used for transmission only, or point to + * the station information for the peer for individual keys. * Multiple transmission keys with the same key index may be used when * VLANs are configured for an access point. * - * The @local_address parameter will always be set to our own address, - * this is only relevant if you support multiple local addresses. - * * When transmitting, the TX control data will use the @hw_key_idx * selected by the driver by modifying the &struct ieee80211_key_conf * pointed to by the @key parameter to the set_key() function. @@ -1061,6 +1088,60 @@ ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw, */ /** + * DOC: Powersave support + * + * mac80211 has support for various powersave implementations. + * + * First, it can support hardware that handles all powersaving by + * itself, such hardware should simply set the %IEEE80211_HW_SUPPORTS_PS + * hardware flag. In that case, it will be told about the desired + * powersave mode depending on the association status, and the driver + * must take care of sending nullfunc frames when necessary, i.e. when + * entering and leaving powersave mode. The driver is required to look at + * the AID in beacons and signal to the AP that it woke up when it finds + * traffic directed to it. This mode supports dynamic PS by simply + * enabling/disabling PS. + * + * Additionally, such hardware may set the %IEEE80211_HW_SUPPORTS_DYNAMIC_PS + * flag to indicate that it can support dynamic PS mode itself (see below). + * + * Other hardware designs cannot send nullfunc frames by themselves and also + * need software support for parsing the TIM bitmap. This is also supported + * by mac80211 by combining the %IEEE80211_HW_SUPPORTS_PS and + * %IEEE80211_HW_PS_NULLFUNC_STACK flags. The hardware is of course still + * required to pass up beacons. Additionally, in this case, mac80211 will + * wake up the hardware when multicast traffic is announced in the beacon. + * + * FIXME: I don't think we can be fast enough in software when we want to + * receive multicast traffic? + * + * Dynamic powersave mode is an extension to normal powersave mode in which + * the hardware stays awake for a user-specified period of time after sending + * a frame so that reply frames need not be buffered and therefore delayed + * to the next wakeup. This can either be supported by hardware, in which case + * the driver needs to look at the @dynamic_ps_timeout hardware configuration + * value, or by the stack if all nullfunc handling is in the stack. + */ + +/** + * 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 @@ -1149,14 +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, }; /** @@ -1172,6 +1253,8 @@ enum ieee80211_ampdu_mlme_action { * configuration in the TX control data. This handler should, * preferably, never fail and stop queues appropriately, more * importantly, however, it must never fail for A-MPDU-queues. + * This function should return NETDEV_TX_OK except in very + * limited cases. * Must be implemented and atomic. * * @start: Called before the first netdevice attached to the hardware @@ -1212,9 +1295,12 @@ enum ieee80211_ampdu_mlme_action { * * @config: Handler for configuration requests. IEEE 802.11 code calls this * function to change hardware configuration, e.g., channel. + * This function should never fail but returns a negative error code + * if it does. * * @config_interface: Handler for configuration requests related to interfaces * (e.g. BSSID changes.) + * Returns a negative error code which will be seen in userspace. * * @bss_info_changed: Handler for configuration requests related to BSS * parameters that may vary during BSS's lifespan, and may affect low @@ -1232,8 +1318,9 @@ enum ieee80211_ampdu_mlme_action { * * @set_key: See the section "Hardware crypto acceleration" * This callback can sleep, and is only called between add_interface - * and remove_interface calls, i.e. while the interface with the - * given local_address is enabled. + * and remove_interface calls, i.e. while the given virtual interface + * is enabled. + * Returns a negative error code if the key can't be added. * * @update_tkip_key: See the section "Hardware crypto acceleration" * This callback will be called in the context of Rx. Called for drivers @@ -1241,12 +1328,22 @@ 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! + * 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. + * + * @sw_scan_complete: Notifier function that is called just after a software scan + * finished. Can be NULL, if the driver doesn't need this notification. * - * @get_stats: return low-level statistics + * @get_stats: Return low-level statistics. + * Returns zero if statistics are available. * * @get_tkip_seq: If your device implements TKIP encryption in hardware this * callback should be provided to read the TKIP transmit IVs (both IV32 @@ -1260,16 +1357,21 @@ enum ieee80211_ampdu_mlme_action { * * @conf_tx: Configure TX queue parameters (EDCF (aifs, cw_min, cw_max), * bursting) for a hardware TX queue. + * Returns a negative error code on failure. * * @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 debugging and, as such, is not a - * required function. Must be atomic. + * this is only used for IBSS mode BSSID merging and debugging. Is not a + * required function. + * + * @set_tsf: Set the TSF timer to the specified value in the firmware/hardware. + * Currently, this is only used for IBSS mode debugging. Is not a + * required function. * * @reset_tsf: Reset the TSF timer and allow firmware/hardware to synchronize * with other STAs in the IBSS. This is only used in IBSS mode. This @@ -1279,13 +1381,15 @@ enum ieee80211_ampdu_mlme_action { * @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. + * Returns non-zero if this device sent the last beacon. * * @ampdu_action: Perform a certain A-MPDU action * The RA/TID combination determines the destination and TID we want * the ampdu action to be performed for. The action is defined through * ieee80211_ampdu_mlme_action. Starting sequence number (@ssn) - * is the first frame we expect to perform the action on. notice + * 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. */ struct ieee80211_ops { int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb); @@ -1310,12 +1414,15 @@ struct ieee80211_ops { int (*set_tim)(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set); int (*set_key)(struct ieee80211_hw *hw, enum set_key_cmd cmd, - const u8 *local_address, const u8 *address, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key); void (*update_tkip_key)(struct ieee80211_hw *hw, struct ieee80211_key_conf *conf, const u8 *address, u32 iv32, u16 *phase1key); - int (*hw_scan)(struct ieee80211_hw *hw, u8 *ssid, size_t len); + int (*hw_scan)(struct ieee80211_hw *hw, + struct cfg80211_scan_request *req); + void (*sw_scan_start)(struct ieee80211_hw *hw); + void (*sw_scan_complete)(struct ieee80211_hw *hw); int (*get_stats)(struct ieee80211_hw *hw, struct ieee80211_low_level_stats *stats); void (*get_tkip_seq)(struct ieee80211_hw *hw, u8 hw_key_idx, @@ -1328,6 +1435,7 @@ struct ieee80211_ops { int (*get_tx_stats)(struct ieee80211_hw *hw, struct ieee80211_tx_queue_stats *stats); u64 (*get_tsf)(struct ieee80211_hw *hw); + void (*set_tsf)(struct ieee80211_hw *hw, u64 tsf); void (*reset_tsf)(struct ieee80211_hw *hw); int (*tx_last_beacon)(struct ieee80211_hw *hw); int (*ampdu_action)(struct ieee80211_hw *hw, @@ -1752,8 +1860,9 @@ void ieee80211_wake_queues(struct ieee80211_hw *hw); * mac80211 that the scan finished. * * @hw: the hardware that finished the scan + * @aborted: set to true if scan was aborted */ -void ieee80211_scan_completed(struct ieee80211_hw *hw); +void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted); /** * ieee80211_iterate_active_interfaces - iterate active interfaces @@ -1882,10 +1991,30 @@ 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 */ /** + * enum rate_control_changed - flags to indicate which parameter changed + * + * @IEEE80211_RC_HT_CHANGED: The HT parameters of the operating channel have + * changed, rate control algorithm can update its internal state if needed. + */ +enum rate_control_changed { + IEEE80211_RC_HT_CHANGED = BIT(0) +}; + +/** * struct ieee80211_tx_rate_control - rate control information for/from RC algo * * @hw: The hardware the algorithm is invoked for. @@ -1921,6 +2050,9 @@ struct rate_control_ops { void *(*alloc_sta)(void *priv, struct ieee80211_sta *sta, gfp_t gfp); void (*rate_init)(void *priv, struct ieee80211_supported_band *sband, struct ieee80211_sta *sta, void *priv_sta); + void (*rate_update)(void *priv, struct ieee80211_supported_band *sband, + struct ieee80211_sta *sta, + void *priv_sta, u32 changed); void (*free_sta)(void *priv, struct ieee80211_sta *sta, void *priv_sta); @@ -1962,4 +2094,34 @@ rate_lowest_index(struct ieee80211_supported_band *sband, int ieee80211_rate_control_register(struct rate_control_ops *ops); void ieee80211_rate_control_unregister(struct rate_control_ops *ops); +static inline bool +conf_is_ht20(struct ieee80211_conf *conf) +{ + return conf->channel_type == NL80211_CHAN_HT20; +} + +static inline bool +conf_is_ht40_minus(struct ieee80211_conf *conf) +{ + return conf->channel_type == NL80211_CHAN_HT40MINUS; +} + +static inline bool +conf_is_ht40_plus(struct ieee80211_conf *conf) +{ + return conf->channel_type == NL80211_CHAN_HT40PLUS; +} + +static inline bool +conf_is_ht40(struct ieee80211_conf *conf) +{ + return conf_is_ht40_minus(conf) || conf_is_ht40_plus(conf); +} + +static inline bool +conf_is_ht(struct ieee80211_conf *conf) +{ + return conf->channel_type != NL80211_CHAN_NO_HT; +} + #endif /* MAC80211_H */ |