diff options
Diffstat (limited to 'include/net/mac80211.h')
| -rw-r--r-- | include/net/mac80211.h | 528 |
1 files changed, 392 insertions, 136 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index ee50c5eba50c..5b7a3dadadde 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -93,9 +93,11 @@ struct device; * enum ieee80211_max_queues - maximum number of queues * * @IEEE80211_MAX_QUEUES: Maximum number of regular device queues. + * @IEEE80211_MAX_QUEUE_MAP: bitmap with maximum queues set */ enum ieee80211_max_queues { IEEE80211_MAX_QUEUES = 16, + IEEE80211_MAX_QUEUE_MAP = BIT(IEEE80211_MAX_QUEUES) - 1, }; #define IEEE80211_INVAL_HW_QUEUE 0xff @@ -126,6 +128,7 @@ enum ieee80211_ac_numbers { * 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 + * @acm: is mandatory admission control required for the access category * @uapsd: is U-APSD mode enabled for the queue */ struct ieee80211_tx_queue_params { @@ -133,6 +136,7 @@ struct ieee80211_tx_queue_params { u16 cw_min; u16 cw_max; u8 aifs; + bool acm; bool uapsd; }; @@ -147,10 +151,12 @@ struct ieee80211_low_level_stats { * enum ieee80211_chanctx_change - change flag for channel context * @IEEE80211_CHANCTX_CHANGE_WIDTH: The channel width changed * @IEEE80211_CHANCTX_CHANGE_RX_CHAINS: The number of RX chains changed + * @IEEE80211_CHANCTX_CHANGE_RADAR: radar detection flag changed */ enum ieee80211_chanctx_change { IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(0), IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(1), + IEEE80211_CHANCTX_CHANGE_RADAR = BIT(2), }; /** @@ -165,6 +171,7 @@ enum ieee80211_chanctx_change { * @rx_chains_dynamic: The number of RX chains that must be enabled * after RTS/CTS handshake to receive SMPS MIMO transmissions; * this will always be >= @rx_chains_static. + * @radar_enabled: whether radar detection is enabled on this channel. * @drv_priv: data area for driver use, will always be aligned to * sizeof(void *), size is determined in hw information. */ @@ -173,7 +180,9 @@ struct ieee80211_chanctx_conf { u8 rx_chains_static, rx_chains_dynamic; - u8 drv_priv[0] __attribute__((__aligned__(sizeof(void *)))); + bool radar_enabled; + + u8 drv_priv[0] __aligned(sizeof(void *)); }; /** @@ -202,12 +211,17 @@ struct ieee80211_chanctx_conf { * @BSS_CHANGED_QOS: QoS for this association was enabled/disabled. Note * that it is only ever disabled for station mode. * @BSS_CHANGED_IDLE: Idle changed for this BSS/interface. - * @BSS_CHANGED_SSID: SSID changed for this BSS (AP mode) + * @BSS_CHANGED_SSID: SSID changed for this BSS (AP and IBSS mode) * @BSS_CHANGED_AP_PROBE_RESP: Probe Response changed for this BSS (AP mode) * @BSS_CHANGED_PS: PS changed for this BSS (STA mode) * @BSS_CHANGED_TXPOWER: TX power setting changed for this interface * @BSS_CHANGED_P2P_PS: P2P powersave settings (CTWindow, opportunistic PS) * changed (currently only in P2P client mode, GO mode will be later) + * @BSS_CHANGED_BEACON_INFO: Data from the AP's beacon became available: + * currently dtim_period only is under consideration. + * @BSS_CHANGED_BANDWIDTH: The bandwidth used by this interface changed, + * note that this is only called when it changes after the channel + * context had been assigned. */ enum ieee80211_bss_change { BSS_CHANGED_ASSOC = 1<<0, @@ -230,6 +244,8 @@ enum ieee80211_bss_change { BSS_CHANGED_PS = 1<<17, BSS_CHANGED_TXPOWER = 1<<18, BSS_CHANGED_P2P_PS = 1<<19, + BSS_CHANGED_BEACON_INFO = 1<<20, + BSS_CHANGED_BANDWIDTH = 1<<21, /* when adding here, make sure to change ieee80211_reconfig */ }; @@ -271,18 +287,25 @@ enum ieee80211_rssi_event { * 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, - * 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) + * valid in station mode only if after the driver was notified + * with the %BSS_CHANGED_BEACON_INFO flag, will be non-zero then. * @sync_tsf: last beacon's/probe response's TSF timestamp (could be old - * as it may have been received during scanning long ago) + * as it may have been received during scanning long ago). If the + * HW flag %IEEE80211_HW_TIMING_BEACON_ONLY is set, then this can + * only come from a beacon, but might not become valid until after + * association when a beacon is received (which is notified with the + * %BSS_CHANGED_DTIM flag.) * @sync_device_ts: the device timestamp corresponding to the sync_tsf, * the driver/device can use this to calculate synchronisation + * (see @sync_tsf) + * @sync_dtim_count: Only valid when %IEEE80211_HW_TIMING_BEACON_ONLY + * is requested, see @sync_tsf/@sync_device_ts. * @beacon_int: beacon interval * @assoc_capability: capabilities taken from assoc resp * @basic_rates: bitmap of basic rates, each bit stands for an * index into the rate table configured by the driver in * the current band. + * @beacon_rate: associated AP's beacon TX rate * @mcast_rate: per-band multicast rate index + 1 (0: disabled) * @bssid: The BSSID for this BSS * @enable_beacon: whether beaconing should be enabled or not @@ -297,23 +320,20 @@ enum ieee80211_rssi_event { * 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. + * @arp_addr_cnt: Number of addresses currently on the list. Note that this + * may be larger than %IEEE80211_BSS_ARP_ADDR_LIST_LEN (the arp_addr_list + * array size), it's up to the driver what to do in that case. * @qos: This is a QoS-enabled BSS. * @idle: This interface is idle. There's also a global idle flag in the * hardware config which may be more appropriate depending on what * your driver/device needs to do. * @ps: power-save mode (STA only). This flag is NOT affected by * offchannel/dynamic_ps operations. - * @ssid: The SSID of the current vif. Only valid in AP-mode. + * @ssid: The SSID of the current vif. Valid in AP and IBSS mode. * @ssid_len: Length of SSID given in @ssid. * @hidden_ssid: The SSID of the current vif is hidden. Only valid in AP-mode. * @txpower: TX power in dBm - * @p2p_ctwindow: P2P CTWindow, only for P2P client interfaces - * @p2p_oppps: P2P opportunistic PS is enabled + * @p2p_noa_attr: P2P NoA attribute for P2P powersave */ struct ieee80211_bss_conf { const u8 *bssid; @@ -331,15 +351,16 @@ struct ieee80211_bss_conf { u16 assoc_capability; u64 sync_tsf; u32 sync_device_ts; + u8 sync_dtim_count; u32 basic_rates; + struct ieee80211_rate *beacon_rate; int mcast_rate[IEEE80211_NUM_BANDS]; u16 ht_operation_mode; s32 cqm_rssi_thold; u32 cqm_rssi_hyst; struct cfg80211_chan_def chandef; __be32 arp_addr_list[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; - u8 arp_addr_cnt; - bool arp_filter_enabled; + int arp_addr_cnt; bool qos; bool idle; bool ps; @@ -347,8 +368,7 @@ struct ieee80211_bss_conf { size_t ssid_len; bool hidden_ssid; int txpower; - u8 p2p_ctwindow; - bool p2p_oppps; + struct ieee80211_p2p_noa_attr p2p_noa_attr; }; /** @@ -392,6 +412,9 @@ 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_OFFCHAN_TX_OK: Internal to mac80211. Used to indicate + * that a frame can be transmitted while the queues are stopped for + * off-channel operation. * @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. @@ -409,6 +432,9 @@ struct ieee80211_bss_conf { * @IEEE80211_TX_INTFL_RETRANSMISSION: This frame is being retransmitted * after TX status because the destination was asleep, it must not * be modified again (no seqno assignment, crypto, etc.) + * @IEEE80211_TX_INTFL_MLME_CONN_TX: This frame was transmitted by the MLME + * code for connection establishment, this indicates that its status + * should kick the MLME state machine. * @IEEE80211_TX_INTFL_NL80211_FRAME_TX: Frame was requested through nl80211 * MLME command (internal to mac80211 to figure out whether to send TX * status to user space) @@ -436,6 +462,8 @@ struct ieee80211_bss_conf { * @IEEE80211_TX_CTL_DONTFRAG: Don't fragment this packet even if it * would be fragmented by size (this is optional, only used for * monitor injection). + * @IEEE80211_TX_CTL_PS_RESPONSE: This frame is a response to a poll + * frame (PS-Poll or uAPSD). * * Note: If you have to add new flags to the enumeration, then don't * forget to update %IEEE80211_TX_TEMPORARY_FLAGS when necessary. @@ -454,13 +482,14 @@ 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_OFFCHAN_TX_OK = BIT(13), IEEE80211_TX_INTFL_NEED_TXPROCESSING = BIT(14), IEEE80211_TX_INTFL_RETRIED = BIT(15), IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(16), IEEE80211_TX_CTL_NO_PS_BUFFER = BIT(17), IEEE80211_TX_CTL_MORE_FRAMES = BIT(18), IEEE80211_TX_INTFL_RETRANSMISSION = BIT(19), - /* hole at 20, use later */ + IEEE80211_TX_INTFL_MLME_CONN_TX = BIT(20), IEEE80211_TX_INTFL_NL80211_FRAME_TX = BIT(21), IEEE80211_TX_CTL_LDPC = BIT(22), IEEE80211_TX_CTL_STBC = BIT(23) | BIT(24), @@ -470,6 +499,7 @@ enum mac80211_tx_control_flags { IEEE80211_TX_STATUS_EOSP = BIT(28), IEEE80211_TX_CTL_USE_MINRATE = BIT(29), IEEE80211_TX_CTL_DONTFRAG = BIT(30), + IEEE80211_TX_CTL_PS_RESPONSE = BIT(31), }; #define IEEE80211_TX_CTL_STBC_SHIFT 23 @@ -538,6 +568,9 @@ enum mac80211_rate_control_flags { /* maximum number of rate stages */ #define IEEE80211_TX_MAX_RATES 4 +/* maximum number of rate table entries */ +#define IEEE80211_TX_RATE_TABLE_SIZE 4 + /** * struct ieee80211_tx_rate - rate selection/status * @@ -578,8 +611,8 @@ static inline void ieee80211_rate_set_vht(struct ieee80211_tx_rate *rate, u8 mcs, u8 nss) { WARN_ON(mcs & ~0xF); - WARN_ON(nss & ~0x7); - rate->idx = (nss << 4) | mcs; + WARN_ON((nss - 1) & ~0x7); + rate->idx = ((nss - 1) << 4) | mcs; } static inline u8 @@ -591,7 +624,7 @@ ieee80211_rate_get_vht_mcs(const struct ieee80211_tx_rate *rate) static inline u8 ieee80211_rate_get_vht_nss(const struct ieee80211_tx_rate *rate) { - return rate->idx >> 4; + return (rate->idx >> 4) + 1; } /** @@ -632,7 +665,11 @@ struct ieee80211_tx_info { struct ieee80211_tx_rate rates[ IEEE80211_TX_MAX_RATES]; s8 rts_cts_rate_idx; - /* 3 bytes free */ + u8 use_rts:1; + u8 use_cts_prot:1; + u8 short_preamble:1; + u8 skip_table:1; + /* 2 bytes free */ }; /* only needed before rate control */ unsigned long jiffies; @@ -653,6 +690,8 @@ struct ieee80211_tx_info { struct { struct ieee80211_tx_rate driver_rates[ IEEE80211_TX_MAX_RATES]; + u8 pad[4]; + void *rate_driver_data[ IEEE80211_TX_INFO_RATE_DRIVER_DATA_SIZE / sizeof(void *)]; }; @@ -771,6 +810,7 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info) * on this subframe * @RX_FLAG_AMPDU_DELIM_CRC_KNOWN: The delimiter CRC field is known (the CRC * is stored in the @ampdu_delimiter_crc field) + * @RX_FLAG_STBC_MASK: STBC 2 bit bitmask. 1 - Nss=1, 2 - Nss=2, 3 - Nss=3 */ enum mac80211_rx_flags { RX_FLAG_MMIC_ERROR = BIT(0), @@ -798,8 +838,11 @@ enum mac80211_rx_flags { RX_FLAG_80MHZ = BIT(23), RX_FLAG_80P80MHZ = BIT(24), RX_FLAG_160MHZ = BIT(25), + RX_FLAG_STBC_MASK = BIT(26) | BIT(27), }; +#define RX_FLAG_STBC_SHIFT 26 + /** * struct ieee80211_rx_status - receive status * @@ -816,6 +859,10 @@ enum mac80211_rx_flags { * @signal: signal strength when receiving this frame, either in dBm, in dB or * unspecified depending on the hardware capabilities flags * @IEEE80211_HW_SIGNAL_* + * @chains: bitmask of receive chains for which separate signal strength + * values were filled. + * @chain_signal: per-chain signal strength, in dBm (unlike @signal, doesn't + * support dB or unspecified units) * @antenna: antenna used * @rate_idx: index of data rate into band's supported rates or MCS index if * HT or VHT is used (%RX_FLAG_HT/%RX_FLAG_VHT) @@ -847,6 +894,8 @@ struct ieee80211_rx_status { u8 band; u8 antenna; s8 signal; + u8 chains; + s8 chain_signal[IEEE80211_MAX_CHAINS]; u8 ampdu_delimiter_crc; u8 vendor_radiotap_align; u8 vendor_radiotap_oui[3]; @@ -951,8 +1000,8 @@ enum ieee80211_smps_mode { * @power_level: requested transmit power (in dBm), backward compatibility * value only that is set to the minimum of all interfaces * - * @channel: the channel to tune to - * @channel_type: the channel (HT) type + * @chandef: the channel definition to tune to + * @radar_enabled: whether radar detection is enabled * * @long_frame_max_tx_count: Maximum number of transmissions for a "long" frame * (a frame not RTS protected), called "dot11LongRetryLimit" in 802.11, @@ -977,8 +1026,8 @@ struct ieee80211_conf { u8 long_frame_max_tx_count, short_frame_max_tx_count; - struct ieee80211_channel *channel; - enum nl80211_channel_type channel_type; + struct cfg80211_chan_def chandef; + bool radar_enabled; enum ieee80211_smps_mode smps_mode; }; @@ -994,13 +1043,13 @@ struct ieee80211_conf { * the driver passed into mac80211. * @block_tx: Indicates whether transmission must be blocked before the * scheduled channel switch, as indicated by the AP. - * @channel: the new channel to switch to + * @chandef: the new channel to switch to * @count: the number of TBTT's until the channel switch event */ struct ieee80211_channel_switch { u64 timestamp; bool block_tx; - struct ieee80211_channel *channel; + struct cfg80211_chan_def chandef; u8 count; }; @@ -1042,6 +1091,9 @@ enum ieee80211_vif_flags { * path needing to access it; even though the netdev carrier will always * be off when it is %NULL there can still be races and packets could be * processed after it switches back to %NULL. + * @debugfs_dir: debugfs dentry, can be used by drivers to create own per + * interface debug files. Note that it will be NULL for the virtual + * monitor interface (if that is requested.) * @drv_priv: data area for driver use, will always be aligned to * sizeof(void *). */ @@ -1058,8 +1110,12 @@ struct ieee80211_vif { u32 driver_flags; +#ifdef CONFIG_MAC80211_DEBUGFS + struct dentry *debugfs_dir; +#endif + /* must be last */ - u8 drv_priv[0] __attribute__((__aligned__(sizeof(void *)))); + u8 drv_priv[0] __aligned(sizeof(void *)); }; static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif) @@ -1076,8 +1132,6 @@ static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif) * These flags are used for communication about keys between the driver * and mac80211, with the @flags parameter of &struct ieee80211_key_conf. * - * @IEEE80211_KEY_FLAG_WMM_STA: Set by mac80211, this flag indicates - * that the STA this key will be used with could be using QoS. * @IEEE80211_KEY_FLAG_GENERATE_IV: This flag should be set by the * driver to indicate that it requires IV generation for this * particular key. @@ -1102,7 +1156,6 @@ static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif) * %IEEE80211_KEY_FLAG_SW_MGMT_TX flag to encrypt such frames in SW. */ 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, @@ -1176,6 +1229,42 @@ enum ieee80211_sta_state { }; /** + * enum ieee80211_sta_rx_bandwidth - station RX bandwidth + * @IEEE80211_STA_RX_BW_20: station can only receive 20 MHz + * @IEEE80211_STA_RX_BW_40: station can receive up to 40 MHz + * @IEEE80211_STA_RX_BW_80: station can receive up to 80 MHz + * @IEEE80211_STA_RX_BW_160: station can receive up to 160 MHz + * (including 80+80 MHz) + * + * Implementation note: 20 must be zero to be initialized + * correctly, the values must be sorted. + */ +enum ieee80211_sta_rx_bandwidth { + IEEE80211_STA_RX_BW_20 = 0, + IEEE80211_STA_RX_BW_40, + IEEE80211_STA_RX_BW_80, + IEEE80211_STA_RX_BW_160, +}; + +/** + * struct ieee80211_sta_rates - station rate selection table + * + * @rcu_head: RCU head used for freeing the table on update + * @rate: transmit rates/flags to be used by default. + * Overriding entries per-packet is possible by using cb tx control. + */ +struct ieee80211_sta_rates { + struct rcu_head rcu_head; + struct { + s8 idx; + u8 count; + u8 count_cts; + u8 count_rts; + u16 flags; + } rate[IEEE80211_TX_RATE_TABLE_SIZE]; +}; + +/** * struct ieee80211_sta - station table entry * * A station table entry represents a station we are possibly @@ -1188,15 +1277,21 @@ enum ieee80211_sta_state { * @addr: MAC address * @aid: AID we assigned to the station if we're an AP * @supp_rates: Bitmap of supported rates (per band) - * @ht_cap: HT capabilities of this STA; restricted to our own TX capabilities - * @vht_cap: VHT capabilities of this STA; Not restricting any capabilities - * of remote STA. Taking as is. + * @ht_cap: HT capabilities of this STA; restricted to our own capabilities + * @vht_cap: VHT capabilities of this STA; restricted to our own capabilities * @wme: indicates whether the STA supports WME. Only valid during AP-mode. * @drv_priv: data area for driver use, will always be aligned to * sizeof(void *), size is determined in hw information. * @uapsd_queues: bitmap of queues configured for uapsd. Only valid * if wme is supported. * @max_sp: max Service Period. Only valid if wme is supported. + * @bandwidth: current bandwidth the station can receive with + * @rx_nss: in HT/VHT, the maximum number of spatial streams the + * station can receive at the moment, changed by operating mode + * notifications and capabilities. The value is only valid after + * the station moves to associated state. + * @smps_mode: current SMPS mode (off, static or dynamic) + * @rates: rate control selection table */ struct ieee80211_sta { u32 supp_rates[IEEE80211_NUM_BANDS]; @@ -1207,9 +1302,13 @@ struct ieee80211_sta { bool wme; u8 uapsd_queues; u8 max_sp; + u8 rx_nss; + enum ieee80211_sta_rx_bandwidth bandwidth; + enum ieee80211_smps_mode smps_mode; + struct ieee80211_sta_rates __rcu *rates; /* must be last */ - u8 drv_priv[0] __attribute__((__aligned__(sizeof(void *)))); + u8 drv_priv[0] __aligned(sizeof(void *)); }; /** @@ -1331,9 +1430,9 @@ struct ieee80211_tx_control { * When this flag is set, signaling beacon-loss will cause an immediate * change to disassociated state. * - * @IEEE80211_HW_NEED_DTIM_PERIOD: - * This device needs to know the DTIM period for the BSS before - * associating. + * @IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC: + * This device needs to get data from beacon before association (i.e. + * dtim_period). * * @IEEE80211_HW_SUPPORTS_PER_STA_GTK: The device's crypto engine supports * per-station GTKs as used by IBSS RSN or during fast transition. If @@ -1353,10 +1452,6 @@ struct ieee80211_tx_control { * setup strictly in HW. mac80211 should not attempt to do this in * software. * - * @IEEE80211_HW_SCAN_WHILE_IDLE: The device can do hw scan while - * being idle (i.e. mac80211 doesn't have to go idle-off during the - * the scan). - * * @IEEE80211_HW_WANT_MONITOR_VIF: The driver would like to be informed of * a virtual monitor interface when monitor interfaces are the only * active interfaces. @@ -1366,13 +1461,15 @@ struct ieee80211_tx_control { * for different virtual interfaces. See the doc section on HW queue * control for more details. * + * @IEEE80211_HW_SUPPORTS_RC_TABLE: The driver supports using a rate + * selection table provided by the rate control algorithm. + * * @IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF: Use the P2P Device address for any * P2P Interface. This will be honoured even if more than one interface * is supported. * - * @IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL: On this hardware TX BA session - * should be tear down once BAR frame will not be acked. - * + * @IEEE80211_HW_TIMING_BEACON_ONLY: Use sync timing from beacon frames + * only, to allow getting TBTT of a DTIM beacon. */ enum ieee80211_hw_flags { IEEE80211_HW_HAS_RATE_CONTROL = 1<<0, @@ -1382,7 +1479,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE = 1<<4, IEEE80211_HW_SIGNAL_UNSPEC = 1<<5, IEEE80211_HW_SIGNAL_DBM = 1<<6, - IEEE80211_HW_NEED_DTIM_PERIOD = 1<<7, + IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC = 1<<7, IEEE80211_HW_SPECTRUM_MGMT = 1<<8, IEEE80211_HW_AMPDU_AGGREGATION = 1<<9, IEEE80211_HW_SUPPORTS_PS = 1<<10, @@ -1399,9 +1496,9 @@ enum ieee80211_hw_flags { IEEE80211_HW_SUPPORTS_PER_STA_GTK = 1<<21, IEEE80211_HW_AP_LINK_PS = 1<<22, IEEE80211_HW_TX_AMPDU_SETUP_IN_HW = 1<<23, - IEEE80211_HW_SCAN_WHILE_IDLE = 1<<24, + IEEE80211_HW_SUPPORTS_RC_TABLE = 1<<24, IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF = 1<<25, - IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL = 1<<26, + IEEE80211_HW_TIMING_BEACON_ONLY = 1<<26, }; /** @@ -1485,6 +1582,17 @@ enum ieee80211_hw_flags { * @netdev_features: netdev features to be set in each netdev created * from this HW. Note only HW checksum features are currently * compatible with mac80211. Other feature bits will be rejected. + * + * @uapsd_queues: This bitmap is included in (re)association frame to indicate + * for each access category if it is uAPSD trigger-enabled and delivery- + * enabled. Use IEEE80211_WMM_IE_STA_QOSINFO_AC_* to set this bitmap. + * Each bit corresponds to different AC. Value '1' in specific bit means + * that corresponding AC is both trigger- and delivery-enabled. '0' means + * neither enabled. + * + * @uapsd_max_sp_len: maximum number of total buffered frames the WMM AP may + * deliver to a WMM STA during any Service Period triggered by the WMM STA. + * Use IEEE80211_WMM_IE_STA_QOSINFO_SP_* for correct values. */ struct ieee80211_hw { struct ieee80211_conf conf; @@ -1510,6 +1618,8 @@ struct ieee80211_hw { u8 radiotap_mcs_details; u16 radiotap_vht_details; netdev_features_t netdev_features; + u8 uapsd_queues; + u8 uapsd_max_sp_len; }; /** @@ -1522,6 +1632,8 @@ struct ieee80211_hw { * 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. + * + * Return: The mac80211 driver hw struct of @wiphy. */ struct ieee80211_hw *wiphy_to_ieee80211_hw(struct wiphy *wiphy); @@ -1628,6 +1740,10 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb); * rekeying), it will not include a valid phase 1 key. The valid phase 1 key is * provided by update_tkip_key only. The trigger that makes mac80211 call this * handler is software decryption with wrap around of iv16. + * + * The set_default_unicast_key() call updates the default WEP key index + * configured to the hardware for WEP encryption type. This is required + * for devices that support offload of data packets (e.g. ARP responses). */ /** @@ -1680,15 +1796,6 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb); * 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 @@ -1907,14 +2014,14 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb); * filter those response frames except in the case of frames that * are buffered in the driver -- those must remain buffered to avoid * reordering. Because it is possible that no frames are released - * in this case, the driver must call ieee80211_sta_eosp_irqsafe() + * in this case, the driver must call ieee80211_sta_eosp() * to indicate to mac80211 that the service period ended anyway. * * Finally, if frames from multiple TIDs are released from mac80211 * but the driver might reorder them, it must clear & set the flags * appropriately (only the last frame may have %IEEE80211_TX_STATUS_EOSP) * and also take care of the EOSP and MORE_DATA bits in the frame. - * The driver may also use ieee80211_sta_eosp_irqsafe() in this case. + * The driver may also use ieee80211_sta_eosp() in this case. */ /** @@ -2033,17 +2140,29 @@ enum ieee80211_filter_flags { * 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 - * @IEEE80211_AMPDU_RX_STOP: stop Rx aggregation - * @IEEE80211_AMPDU_TX_START: start Tx aggregation - * @IEEE80211_AMPDU_TX_STOP: stop Tx aggregation + * @IEEE80211_AMPDU_RX_START: start RX aggregation + * @IEEE80211_AMPDU_RX_STOP: stop RX aggregation + * @IEEE80211_AMPDU_TX_START: start TX aggregation * @IEEE80211_AMPDU_TX_OPERATIONAL: TX aggregation has become operational + * @IEEE80211_AMPDU_TX_STOP_CONT: stop TX aggregation but continue transmitting + * queued packets, now unaggregated. After all packets are transmitted the + * driver has to call ieee80211_stop_tx_ba_cb_irqsafe(). + * @IEEE80211_AMPDU_TX_STOP_FLUSH: stop TX aggregation and flush all packets, + * called when the station is removed. There's no need or reason to call + * ieee80211_stop_tx_ba_cb_irqsafe() in this case as mac80211 assumes the + * session is gone and removes the station. + * @IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: called when TX aggregation is stopped + * but the driver hasn't called ieee80211_stop_tx_ba_cb_irqsafe() yet and + * now the connection is dropped and the station will be removed. Drivers + * should clean up and drop remaining packets when this is called. */ enum ieee80211_ampdu_mlme_action { IEEE80211_AMPDU_RX_START, IEEE80211_AMPDU_RX_STOP, IEEE80211_AMPDU_TX_START, - IEEE80211_AMPDU_TX_STOP, + IEEE80211_AMPDU_TX_STOP_CONT, + IEEE80211_AMPDU_TX_STOP_FLUSH, + IEEE80211_AMPDU_TX_STOP_FLUSH_CONT, IEEE80211_AMPDU_TX_OPERATIONAL, }; @@ -2062,16 +2181,39 @@ enum ieee80211_frame_release_type { * enum ieee80211_rate_control_changed - flags to indicate what changed * * @IEEE80211_RC_BW_CHANGED: The bandwidth that can be used to transmit - * to this station changed. + * to this station changed. The actual bandwidth is in the station + * information -- for HT20/40 the IEEE80211_HT_CAP_SUP_WIDTH_20_40 + * flag changes, for HT and VHT the bandwidth field changes. * @IEEE80211_RC_SMPS_CHANGED: The SMPS state of the station changed. * @IEEE80211_RC_SUPP_RATES_CHANGED: The supported rate set of this peer * changed (in IBSS mode) due to discovering more information about * the peer. + * @IEEE80211_RC_NSS_CHANGED: N_SS (number of spatial streams) was changed + * by the peer */ enum ieee80211_rate_control_changed { IEEE80211_RC_BW_CHANGED = BIT(0), IEEE80211_RC_SMPS_CHANGED = BIT(1), IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2), + IEEE80211_RC_NSS_CHANGED = BIT(3), +}; + +/** + * enum ieee80211_roc_type - remain on channel type + * + * With the support for multi channel contexts and multi channel operations, + * remain on channel operations might be limited/deferred/aborted by other + * flows/operations which have higher priority (and vise versa). + * Specifying the ROC type can be used by devices to prioritize the ROC + * operations compared to other operations/flows. + * + * @IEEE80211_ROC_TYPE_NORMAL: There are no special requirements for this ROC. + * @IEEE80211_ROC_TYPE_MGMT_TX: The remain on channel request is required + * for sending managment frames offchannel. + */ +enum ieee80211_roc_type { + IEEE80211_ROC_TYPE_NORMAL = 0, + IEEE80211_ROC_TYPE_MGMT_TX, }; /** @@ -2173,6 +2315,9 @@ enum ieee80211_rate_control_changed { * See the section "Frame filtering" for more information. * This callback must be implemented and can sleep. * + * @set_multicast_list: Configure the device's interface specific RX multicast + * filter. This callback is optional. This callback must be atomic. + * * @set_tim: Set TIM bit. mac80211 calls this function when a TIM bit * must be set or cleared for a given STA. Must be atomic. * @@ -2194,6 +2339,10 @@ enum ieee80211_rate_control_changed { * After rekeying was done it should (for example during resume) notify * userspace of the new replay counter using ieee80211_gtk_rekey_notify(). * + * @set_default_unicast_key: Set the default (unicast) key index, useful for + * WEP when the device sends data packets autonomously, e.g. for ARP + * offloading. The index can be 0-3, or -1 for unsetting it. + * * @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 @@ -2350,8 +2499,11 @@ enum ieee80211_rate_control_changed { * @testmode_dump: Implement a cfg80211 test mode dump. The callback can sleep. * * @flush: Flush all pending frames from the hardware queue, making sure - * that the hardware queues are empty. If the parameter @drop is set - * to %true, pending frames may be dropped. The callback can sleep. + * that the hardware queues are empty. The @queues parameter is a bitmap + * of queues to flush, which is useful if different virtual interfaces + * use different hardware queues; it may also indicate all queues. + * If the parameter @drop is set to %true, pending frames may be dropped. + * The callback can sleep. * * @channel_switch: Drivers that need (or want) to offload the channel * switch operation for CSAs received from the AP may implement this @@ -2416,7 +2568,7 @@ enum ieee80211_rate_control_changed { * setting the EOSP flag in the QoS header of the frames. Also, when the * service period ends, the driver must set %IEEE80211_TX_STATUS_EOSP * on the last frame in the SP. Alternatively, it may call the function - * ieee80211_sta_eosp_irqsafe() to inform mac80211 of the end of the SP. + * ieee80211_sta_eosp() to inform mac80211 of the end of the SP. * This callback must be atomic. * @allow_buffered_frames: Prepare device to allow the given number of frames * to go out to the given station. The frames will be sent by mac80211 @@ -2427,7 +2579,7 @@ enum ieee80211_rate_control_changed { * them between the TIDs, it must set the %IEEE80211_TX_STATUS_EOSP flag * on the last frame and clear it on all others and also handle the EOSP * bit in the QoS header correctly. Alternatively, it can also call the - * ieee80211_sta_eosp_irqsafe() function. + * ieee80211_sta_eosp() function. * The @tids parameter is a bitmap and tells the driver which TIDs the * frames will be on; it will at most have two bits set. * This callback must be atomic. @@ -2474,7 +2626,13 @@ enum ieee80211_rate_control_changed { * * @restart_complete: Called after a call to ieee80211_restart_hw(), when the * reconfiguration has completed. This can help the driver implement the - * reconfiguration step. This callback may sleep. + * reconfiguration step. Also called when reconfiguring because the + * driver's resume function returned 1, as this is just like an "inline" + * hardware restart. This callback may sleep. + * + * @ipv6_addr_change: IPv6 address assignment on the given interface changed. + * Currently, this is only called for managed or P2P client interfaces. + * This callback is optional; it must not sleep. */ struct ieee80211_ops { void (*tx)(struct ieee80211_hw *hw, @@ -2509,6 +2667,10 @@ struct ieee80211_ops { unsigned int changed_flags, unsigned int *total_flags, u64 multicast); + void (*set_multicast_list)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, bool allmulti, + struct netdev_hw_addr_list *mc_list); + 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, @@ -2522,6 +2684,8 @@ struct ieee80211_ops { void (*set_rekey_data)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_gtk_rekey_data *data); + void (*set_default_unicast_key)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, int idx); int (*hw_scan)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_scan_request *req); void (*cancel_hw_scan)(struct ieee80211_hw *hw, @@ -2587,7 +2751,7 @@ struct ieee80211_ops { struct netlink_callback *cb, void *data, int len); #endif - void (*flush)(struct ieee80211_hw *hw, bool drop); + void (*flush)(struct ieee80211_hw *hw, u32 queues, bool drop); void (*channel_switch)(struct ieee80211_hw *hw, struct ieee80211_channel_switch *ch_switch); int (*napi_poll)(struct ieee80211_hw *hw, int budget); @@ -2597,7 +2761,8 @@ struct ieee80211_ops { int (*remain_on_channel)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_channel *chan, - int duration); + int duration, + enum ieee80211_roc_type type); int (*cancel_remain_on_channel)(struct ieee80211_hw *hw); int (*set_ringparam)(struct ieee80211_hw *hw, u32 tx, u32 rx); void (*get_ringparam)(struct ieee80211_hw *hw, @@ -2606,6 +2771,7 @@ struct ieee80211_ops { int (*set_bitrate_mask)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, const struct cfg80211_bitrate_mask *mask); void (*rssi_callback)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, enum ieee80211_rssi_event rssi_event); void (*allow_buffered_frames)(struct ieee80211_hw *hw, @@ -2648,6 +2814,12 @@ struct ieee80211_ops { struct ieee80211_chanctx_conf *ctx); void (*restart_complete)(struct ieee80211_hw *hw); + +#if IS_ENABLED(CONFIG_IPV6) + void (*ipv6_addr_change)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct inet6_dev *idev); +#endif }; /** @@ -2661,6 +2833,8 @@ struct ieee80211_ops { * * @priv_data_len: length of private data * @ops: callbacks for this device + * + * Return: A pointer to the new hardware device, or %NULL on error. */ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, const struct ieee80211_ops *ops); @@ -2673,6 +2847,8 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, * need to fill the contained wiphy's information. * * @hw: the device to register as returned by ieee80211_alloc_hw() + * + * Return: 0 on success. An error code otherwise. */ int ieee80211_register_hw(struct ieee80211_hw *hw); @@ -2719,6 +2895,8 @@ extern char *__ieee80211_create_tpt_led_trigger( * of the trigger so you can automatically link the LED device. * * @hw: the hardware to get the LED trigger name for + * + * Return: The name of the LED trigger. %NULL if not configured for LEDs. */ static inline char *ieee80211_get_tx_led_name(struct ieee80211_hw *hw) { @@ -2738,6 +2916,8 @@ static inline char *ieee80211_get_tx_led_name(struct ieee80211_hw *hw) * of the trigger so you can automatically link the LED device. * * @hw: the hardware to get the LED trigger name for + * + * Return: The name of the LED trigger. %NULL if not configured for LEDs. */ static inline char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw) { @@ -2757,6 +2937,8 @@ static inline char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw) * of the trigger so you can automatically link the LED device. * * @hw: the hardware to get the LED trigger name for + * + * Return: The name of the LED trigger. %NULL if not configured for LEDs. */ static inline char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) { @@ -2776,6 +2958,8 @@ static inline char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) * of the trigger so you can automatically link the LED device. * * @hw: the hardware to get the LED trigger name for + * + * Return: The name of the LED trigger. %NULL if not configured for LEDs. */ static inline char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw) { @@ -2793,9 +2977,10 @@ static inline char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw) * @blink_table: the blink table -- needs to be ordered by throughput * @blink_table_len: size of the blink table * - * This function returns %NULL (in case of error, or if no LED - * triggers are configured) or the name of the new trigger. - * This function must be called before ieee80211_register_hw(). + * Return: %NULL (in case of error, or if no LED triggers are + * configured) or the name of the new trigger. + * + * Note: This function must be called before ieee80211_register_hw(). */ static inline char * ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, unsigned int flags, @@ -2873,7 +3058,8 @@ void ieee80211_napi_complete(struct ieee80211_hw *hw); * This function may not be called in IRQ context. Calls to this function * for a single hardware must be synchronized against each other. Calls to * this function, ieee80211_rx_ni() and ieee80211_rx_irqsafe() may not be - * mixed for a single hardware. + * mixed for a single hardware. Must not run concurrently with + * ieee80211_tx_status() or ieee80211_tx_status_ni(). * * In process context use instead ieee80211_rx_ni(). * @@ -2889,7 +3075,8 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb); * (internally defers to a tasklet.) * * Calls to this function, ieee80211_rx() or ieee80211_rx_ni() may not - * be mixed for a single hardware. + * be mixed for a single hardware.Must not run concurrently with + * ieee80211_tx_status() or ieee80211_tx_status_ni(). * * @hw: the hardware this frame came in on * @skb: the buffer to receive, owned by mac80211 after this call @@ -2903,7 +3090,8 @@ void ieee80211_rx_irqsafe(struct ieee80211_hw *hw, struct sk_buff *skb); * (internally disables bottom halves). * * Calls to this function, ieee80211_rx() and ieee80211_rx_irqsafe() may - * not be mixed for a single hardware. + * not be mixed for a single hardware. Must not run concurrently with + * ieee80211_tx_status() or ieee80211_tx_status_ni(). * * @hw: the hardware this frame came in on * @skb: the buffer to receive, owned by mac80211 after this call @@ -2928,10 +3116,10 @@ static inline void ieee80211_rx_ni(struct ieee80211_hw *hw, * Calls to this function for a single hardware must be synchronized against * each other. * - * The function returns -EINVAL when the requested PS mode is already set. - * * @sta: currently connected sta * @start: start or stop PS + * + * Return: 0 on success. -EINVAL when the requested PS mode is already set. */ int ieee80211_sta_ps_transition(struct ieee80211_sta *sta, bool start); @@ -2945,6 +3133,8 @@ int ieee80211_sta_ps_transition(struct ieee80211_sta *sta, bool start); * * @sta: currently connected sta * @start: start or stop PS + * + * Return: Like ieee80211_sta_ps_transition(). */ static inline int ieee80211_sta_ps_transition_ni(struct ieee80211_sta *sta, bool start) @@ -2996,6 +3186,25 @@ void ieee80211_sta_set_buffered(struct ieee80211_sta *sta, u8 tid, bool buffered); /** + * ieee80211_get_tx_rates - get the selected transmit rates for a packet + * + * Call this function in a driver with per-packet rate selection support + * to combine the rate info in the packet tx info with the most recent + * rate selection table for the station entry. + * + * @vif: &struct ieee80211_vif pointer from the add_interface callback. + * @sta: the receiver station to which this packet is sent. + * @skb: the frame to be transmitted. + * @dest: buffer for extracted rate/retry information + * @max_rates: maximum number of rates to fetch + */ +void ieee80211_get_tx_rates(struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct sk_buff *skb, + struct ieee80211_tx_rate *dest, + int max_rates); + +/** * ieee80211_tx_status - transmit status callback * * Call this function for all transmitted frames after they have been @@ -3005,7 +3214,8 @@ void ieee80211_sta_set_buffered(struct ieee80211_sta *sta, * This function may not be called in IRQ context. Calls to this function * for a single hardware must be synchronized against each other. Calls * to this function, ieee80211_tx_status_ni() and ieee80211_tx_status_irqsafe() - * may not be mixed for a single hardware. + * may not be mixed for a single hardware. Must not run concurrently with + * ieee80211_rx() or ieee80211_rx_ni(). * * @hw: the hardware the frame was transmitted by * @skb: the frame that was transmitted, owned by mac80211 after this call @@ -3082,6 +3292,8 @@ void ieee80211_report_low_ack(struct ieee80211_sta *sta, u32 num_packets); * according to the current DTIM parameters/TIM bitmap. * * The driver is responsible for freeing the returned skb. + * + * Return: The beacon template. %NULL on error. */ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -3093,6 +3305,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, * @vif: &struct ieee80211_vif pointer from the add_interface callback. * * See ieee80211_beacon_get_tim(). + * + * Return: See ieee80211_beacon_get_tim(). */ static inline struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif) @@ -3109,6 +3323,8 @@ static inline struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, * hardware. The destination address should be set by the caller. * * Can only be called in AP mode. + * + * Return: The Probe Response template. %NULL on error. */ struct sk_buff *ieee80211_proberesp_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif); @@ -3124,6 +3340,8 @@ struct sk_buff *ieee80211_proberesp_get(struct ieee80211_hw *hw, * * Note: Caller (or hardware) is responsible for setting the * &IEEE80211_FCTL_PM bit. + * + * Return: The PS Poll template. %NULL on error. */ struct sk_buff *ieee80211_pspoll_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif); @@ -3139,6 +3357,8 @@ struct sk_buff *ieee80211_pspoll_get(struct ieee80211_hw *hw, * * Note: Caller (or hardware) is responsible for setting the * &IEEE80211_FCTL_PM bit as well as Duration and Sequence Control fields. + * + * Return: The nullfunc template. %NULL on error. */ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif); @@ -3153,6 +3373,8 @@ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw, * * Creates a Probe Request template which can, for example, be uploaded to * hardware. + * + * Return: The Probe Request template. %NULL on error. */ struct sk_buff *ieee80211_probereq_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -3188,6 +3410,8 @@ void ieee80211_rts_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif, * If the RTS is generated in firmware, but the host system must provide * the duration field, the low-level driver uses this function to receive * the duration field value in little-endian byteorder. + * + * Return: The duration. */ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw, struct ieee80211_vif *vif, size_t frame_len, @@ -3223,6 +3447,8 @@ void ieee80211_ctstoself_get(struct ieee80211_hw *hw, * If the CTS-to-self is generated in firmware, but the host system must provide * the duration field, the low-level driver uses this function to receive * the duration field value in little-endian byteorder. + * + * Return: The duration. */ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -3239,6 +3465,8 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw, * * Calculate the duration field of some generic frame, given its * length and transmission rate (in 100kbps). + * + * Return: The duration. */ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -3255,9 +3483,10 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw, * hardware/firmware does not implement buffering of broadcast/multicast * frames when power saving is used, 802.11 code buffers them in the host * memory. The low-level driver uses this function to fetch next buffered - * frame. In most cases, this is used when generating beacon frame. This - * function returns a pointer to the next buffered skb or NULL if no more - * buffered frames are available. + * frame. In most cases, this is used when generating beacon frame. + * + * Return: A pointer to the next buffered skb or NULL if no more buffered + * frames are available. * * Note: buffered frames are returned only after DTIM beacon frame was * generated with ieee80211_beacon_get() and the low-level driver must thus @@ -3437,6 +3666,8 @@ void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue); * @queue: queue number (counted from zero). * * Drivers should use this function instead of netif_stop_queue. + * + * Return: %true if the queue is stopped. %false otherwise. */ int ieee80211_queue_stopped(struct ieee80211_hw *hw, int queue); @@ -3634,7 +3865,9 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, const u8 *ra, * @vif: virtual interface to look for station on * @addr: station's address * - * This function must be called under RCU lock and the + * Return: The station, if found. %NULL otherwise. + * + * Note: This function must be called under RCU lock and the * resulting pointer is only valid under RCU lock as well. */ struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_vif *vif, @@ -3647,7 +3880,9 @@ struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_vif *vif, * @addr: remote station's address * @localaddr: local address (vif->sdata->vif.addr). Use NULL for 'any'. * - * This function must be called under RCU lock and the + * Return: The station, if found. %NULL otherwise. + * + * Note: This function must be called under RCU lock and the * resulting pointer is only valid under RCU lock as well. * * NOTE: You may pass NULL for localaddr, but then you will just get @@ -3705,14 +3940,17 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw, * %IEEE80211_TX_STATUS_EOSP bit and call this function instead. * This applies for PS-Poll as well as uAPSD. * - * Note that there is no non-_irqsafe version right now as - * it wasn't needed, but just like _tx_status() and _rx() - * must not be mixed in irqsafe/non-irqsafe versions, this - * function must not be mixed with those either. Use the - * all irqsafe, or all non-irqsafe, don't mix! If you need - * the non-irqsafe version of this, you need to add it. + * Note that just like with _tx_status() and _rx() drivers must + * not mix calls to irqsafe/non-irqsafe versions, this function + * must not be mixed with those either. Use the all irqsafe, or + * all non-irqsafe, don't mix! + * + * NB: the _irqsafe version of this function doesn't exist, no + * driver needs it right now. Don't call this function if + * you'd need the _irqsafe version, look at the git history + * and restore the _irqsafe version! */ -void ieee80211_sta_eosp_irqsafe(struct ieee80211_sta *pubsta); +void ieee80211_sta_eosp(struct ieee80211_sta *pubsta); /** * ieee80211_iter_keys - iterate keys programmed into the device @@ -3754,6 +3992,11 @@ void ieee80211_iter_keys(struct ieee80211_hw *hw, * The iterator will not find a context that's being added (during * the driver callback to add it) but will find it while it's being * removed. + * + * Note that during hardware restart, all contexts that existed + * before the restart are considered already present so will be + * found while iterating, whether they've been re-added already + * or not. */ void ieee80211_iter_chan_contexts_atomic( struct ieee80211_hw *hw, @@ -3772,7 +4015,9 @@ void ieee80211_iter_chan_contexts_atomic( * information. This function must only be called from within the * .bss_info_changed callback function and only in managed mode. The function * is only useful when the interface is associated, otherwise it will return - * NULL. + * %NULL. + * + * Return: The Probe Request template. %NULL on error. */ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif); @@ -3796,6 +4041,8 @@ void ieee80211_beacon_loss(struct ieee80211_vif *vif); * When beacon filtering is enabled with %IEEE80211_VIF_BEACON_FILTER, and * %IEEE80211_CONF_PS and %IEEE80211_HW_CONNECTION_MONITOR are set, the driver * needs to inform if the connection to the AP has been lost. + * The function may also be called if the connection needs to be terminated + * for some other reason, even if %IEEE80211_HW_CONNECTION_MONITOR isn't set. * * This function will cause immediate change to disassociated state, * without connection recovery attempts. @@ -3826,36 +4073,6 @@ void ieee80211_connection_loss(struct ieee80211_vif *vif); void ieee80211_resume_disconnect(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 * @@ -3872,6 +4089,13 @@ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif, gfp_t gfp); /** + * ieee80211_radar_detected - inform that a radar was detected + * + * @hw: pointer as obtained from ieee80211_alloc_hw() + */ +void ieee80211_radar_detected(struct ieee80211_hw *hw); + +/** * ieee80211_chswitch_done - Complete channel switch process * @vif: &struct ieee80211_vif pointer from the add_interface callback. * @success: make the channel switch successful or not @@ -3956,7 +4180,7 @@ void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn); * (deprecated; this will be removed once drivers get updated to use * rate_idx_mask) * @rate_idx_mask: user-requested (legacy) rate mask - * @rate_idx_mcs_mask: user-requested MCS rate mask + * @rate_idx_mcs_mask: user-requested MCS rate mask (NULL if not in use) * @bss: whether this frame is sent out in AP or IBSS mode */ struct ieee80211_tx_rate_control { @@ -3968,7 +4192,7 @@ struct ieee80211_tx_rate_control { bool rts, short_preamble; u8 max_rate_idx; u32 rate_idx_mask; - u8 rate_idx_mcs_mask[IEEE80211_HT_MCS_MASK_LEN]; + u8 *rate_idx_mcs_mask; bool bss; }; @@ -4057,37 +4281,55 @@ bool rate_usable_index_exists(struct ieee80211_supported_band *sband, return false; } +/** + * rate_control_set_rates - pass the sta rate selection to mac80211/driver + * + * When not doing a rate control probe to test rates, rate control should pass + * its rate selection to mac80211. If the driver supports receiving a station + * rate table, it will use it to ensure that frames are always sent based on + * the most recent rate control module decision. + * + * @hw: pointer as obtained from ieee80211_alloc_hw() + * @pubsta: &struct ieee80211_sta pointer to the target destination. + * @rates: new tx rate set to be used for this station. + */ +int rate_control_set_rates(struct ieee80211_hw *hw, + struct ieee80211_sta *pubsta, + struct ieee80211_sta_rates *rates); + 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; + return conf->chandef.width == NL80211_CHAN_WIDTH_20; } static inline bool conf_is_ht40_minus(struct ieee80211_conf *conf) { - return conf->channel_type == NL80211_CHAN_HT40MINUS; + return conf->chandef.width == NL80211_CHAN_WIDTH_40 && + conf->chandef.center_freq1 < conf->chandef.chan->center_freq; } static inline bool conf_is_ht40_plus(struct ieee80211_conf *conf) { - return conf->channel_type == NL80211_CHAN_HT40PLUS; + return conf->chandef.width == NL80211_CHAN_WIDTH_40 && + conf->chandef.center_freq1 > conf->chandef.chan->center_freq; } static inline bool conf_is_ht40(struct ieee80211_conf *conf) { - return conf_is_ht40_minus(conf) || conf_is_ht40_plus(conf); + return conf->chandef.width == NL80211_CHAN_WIDTH_40; } static inline bool conf_is_ht(struct ieee80211_conf *conf) { - return conf->channel_type != NL80211_CHAN_NO_HT; + return conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT; } static inline enum nl80211_iftype @@ -4119,13 +4361,27 @@ void ieee80211_enable_rssi_reports(struct ieee80211_vif *vif, void ieee80211_disable_rssi_reports(struct ieee80211_vif *vif); /** - * ieee80211_ave_rssi - report the average rssi for the specified interface + * ieee80211_ave_rssi - report the average RSSI for the specified interface * * @vif: the specified virtual interface * - * This function return the average rssi value for the requested interface. - * It assumes that the given vif is valid. + * Note: This function assumes that the given vif is valid. + * + * Return: The average RSSI value for the requested interface, or 0 if not + * applicable. */ int ieee80211_ave_rssi(struct ieee80211_vif *vif); +/** + * ieee80211_report_wowlan_wakeup - report WoWLAN wakeup + * @vif: virtual interface + * @wakeup: wakeup reason(s) + * @gfp: allocation flags + * + * See cfg80211_report_wowlan_wakeup(). + */ +void ieee80211_report_wowlan_wakeup(struct ieee80211_vif *vif, + struct cfg80211_wowlan_wakeup *wakeup, + gfp_t gfp); + #endif /* MAC80211_H */ |