drivers/net/wireless/iwlwifi/mvm/fw-api-power.h

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  63
  64 #ifndef __fw_api_power_h__
  65 #define __fw_api_power_h__
  66
  67 /* Power Management Commands, Responses, Notifications */
  68
  69 /* Radio LP RX Energy Threshold measured in dBm */
  70 #define POWER_LPRX_RSSI_THRESHOLD       75
  71 #define POWER_LPRX_RSSI_THRESHOLD_MAX   94
  72 #define POWER_LPRX_RSSI_THRESHOLD_MIN   30
  73
  74 /**
  75  * enum iwl_scan_flags - masks for power table command flags
  76  * @POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off
  77  *              receiver and transmitter. '0' - does not allow.
  78  * @POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK: '0' Driver disables power management,
  79  *              '1' Driver enables PM (use rest of parameters)
  80  * @POWER_FLAGS_SKIP_OVER_DTIM_MSK: '0' PM have to walk up every DTIM,
  81  *              '1' PM could sleep over DTIM till listen Interval.
  82  * @POWER_FLAGS_SNOOZE_ENA_MSK: Enable snoozing only if uAPSD is enabled and all
  83  *              access categories are both delivery and trigger enabled.
  84  * @POWER_FLAGS_BT_SCO_ENA: Enable BT SCO coex only if uAPSD and
  85  *              PBW Snoozing enabled
  86  * @POWER_FLAGS_ADVANCE_PM_ENA_MSK: Advanced PM (uAPSD) enable mask
  87  * @POWER_FLAGS_LPRX_ENA_MSK: Low Power RX enable.
  88  * @POWER_FLAGS_AP_UAPSD_MISBEHAVING_ENA_MSK: AP/GO's uAPSD misbehaving
  89  *              detection enablement
  90 */
  91 enum iwl_power_flags {
  92         POWER_FLAGS_POWER_SAVE_ENA_MSK          = BIT(0),
  93         POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK    = BIT(1),
  94         POWER_FLAGS_SKIP_OVER_DTIM_MSK          = BIT(2),
  95         POWER_FLAGS_SNOOZE_ENA_MSK              = BIT(5),
  96         POWER_FLAGS_BT_SCO_ENA                  = BIT(8),
  97         POWER_FLAGS_ADVANCE_PM_ENA_MSK          = BIT(9),
  98         POWER_FLAGS_LPRX_ENA_MSK                = BIT(11),
  99         POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK   = BIT(12),
 100 };
 101
 102 #define IWL_POWER_VEC_SIZE 5
 103
 104 /**
 105  * struct iwl_powertable_cmd - legacy power command. Beside old API support this
 106  *      is used also with a new power API for device wide power settings.
 107  * POWER_TABLE_CMD = 0x77 (command, has simple generic response)
 108  *
 109  * @flags:              Power table command flags from POWER_FLAGS_*
 110  * @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
 111  *                      Minimum allowed:- 3 * DTIM. Keep alive period must be
 112  *                      set regardless of power scheme or current power state.
 113  *                      FW use this value also when PM is disabled.
 114  * @rx_data_timeout:    Minimum time (usec) from last Rx packet for AM to
 115  *                      PSM transition - legacy PM
 116  * @tx_data_timeout:    Minimum time (usec) from last Tx packet for AM to
 117  *                      PSM transition - legacy PM
 118  * @sleep_interval:     not in use
 119  * @skip_dtim_periods:  Number of DTIM periods to skip if Skip over DTIM flag
 120  *                      is set. For example, if it is required to skip over
 121  *                      one DTIM, this value need to be set to 2 (DTIM periods).
 122  * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.
 123  *                      Default: 80dbm
 124  */
 125 struct iwl_powertable_cmd {
 126         /* PM_POWER_TABLE_CMD_API_S_VER_6 */
 127         __le16 flags;
 128         u8 keep_alive_seconds;
 129         u8 debug_flags;
 130         __le32 rx_data_timeout;
 131         __le32 tx_data_timeout;
 132         __le32 sleep_interval[IWL_POWER_VEC_SIZE];
 133         __le32 skip_dtim_periods;
 134         __le32 lprx_rssi_threshold;
 135 } __packed;
 136
 137 /**
 138  * enum iwl_device_power_flags - masks for device power command flags
 139  * @DEVIC_POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off
 140  *      receiver and transmitter. '0' - does not allow. This flag should be
 141  *      always set to '1' unless one need to disable actual power down for debug
 142  *      purposes.
 143  * @DEVICE_POWER_FLAGS_CAM_MSK: '1' CAM (Continuous Active Mode) is set, meaning
 144  *      that power management is disabled. '0' Power management is enabled, one
 145  *      of power schemes is applied.
 146 */
 147 enum iwl_device_power_flags {
 148         DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK   = BIT(0),
 149         DEVICE_POWER_FLAGS_CAM_MSK              = BIT(13),
 150 };
 151
 152 /**
 153  * struct iwl_device_power_cmd - device wide power command.
 154  * DEVICE_POWER_CMD = 0x77 (command, has simple generic response)
 155  *
 156  * @flags:      Power table command flags from DEVICE_POWER_FLAGS_*
 157  */
 158 struct iwl_device_power_cmd {
 159         /* PM_POWER_TABLE_CMD_API_S_VER_6 */
 160         __le16 flags;
 161         __le16 reserved;
 162 } __packed;
 163
 164 /**
 165  * struct iwl_mac_power_cmd - New power command containing uAPSD support
 166  * MAC_PM_POWER_TABLE = 0xA9 (command, has simple generic response)
 167  * @id_and_color:       MAC contex identifier
 168  * @flags:              Power table command flags from POWER_FLAGS_*
 169  * @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
 170  *                      Minimum allowed:- 3 * DTIM. Keep alive period must be
 171  *                      set regardless of power scheme or current power state.
 172  *                      FW use this value also when PM is disabled.
 173  * @rx_data_timeout:    Minimum time (usec) from last Rx packet for AM to
 174  *                      PSM transition - legacy PM
 175  * @tx_data_timeout:    Minimum time (usec) from last Tx packet for AM to
 176  *                      PSM transition - legacy PM
 177  * @sleep_interval:     not in use
 178  * @skip_dtim_periods:  Number of DTIM periods to skip if Skip over DTIM flag
 179  *                      is set. For example, if it is required to skip over
 180  *                      one DTIM, this value need to be set to 2 (DTIM periods).
 181  * @rx_data_timeout_uapsd: Minimum time (usec) from last Rx packet for AM to
 182  *                      PSM transition - uAPSD
 183  * @tx_data_timeout_uapsd: Minimum time (usec) from last Tx packet for AM to
 184  *                      PSM transition - uAPSD
 185  * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.
 186  *                      Default: 80dbm
 187  * @num_skip_dtim:      Number of DTIMs to skip if Skip over DTIM flag is set
 188  * @snooze_interval:    Maximum time between attempts to retrieve buffered data
 189  *                      from the AP [msec]
 190  * @snooze_window:      A window of time in which PBW snoozing insures that all
 191  *                      packets received. It is also the minimum time from last
 192  *                      received unicast RX packet, before client stops snoozing
 193  *                      for data. [msec]
 194  * @snooze_step:        TBD
 195  * @qndp_tid:           TID client shall use for uAPSD QNDP triggers
 196  * @uapsd_ac_flags:     Set trigger-enabled and delivery-enabled indication for
 197  *                      each corresponding AC.
 198  *                      Use IEEE80211_WMM_IE_STA_QOSINFO_AC* for correct values.
 199  * @uapsd_max_sp:       Use IEEE80211_WMM_IE_STA_QOSINFO_SP_* for correct
 200  *                      values.
 201  * @heavy_tx_thld_packets:      TX threshold measured in number of packets
 202  * @heavy_rx_thld_packets:      RX threshold measured in number of packets
 203  * @heavy_tx_thld_percentage:   TX threshold measured in load's percentage
 204  * @heavy_rx_thld_percentage:   RX threshold measured in load's percentage
 205  * @limited_ps_threshold:
 206 */
 207 struct iwl_mac_power_cmd {
 208         /* CONTEXT_DESC_API_T_VER_1 */
 209         __le32 id_and_color;
 210
 211         /* CLIENT_PM_POWER_TABLE_S_VER_1 */
 212         __le16 flags;
 213         __le16 keep_alive_seconds;
 214         __le32 rx_data_timeout;
 215         __le32 tx_data_timeout;
 216         __le32 rx_data_timeout_uapsd;
 217         __le32 tx_data_timeout_uapsd;
 218         u8 lprx_rssi_threshold;
 219         u8 skip_dtim_periods;
 220         __le16 snooze_interval;
 221         __le16 snooze_window;
 222         u8 snooze_step;
 223         u8 qndp_tid;
 224         u8 uapsd_ac_flags;
 225         u8 uapsd_max_sp;
 226         u8 heavy_tx_thld_packets;
 227         u8 heavy_rx_thld_packets;
 228         u8 heavy_tx_thld_percentage;
 229         u8 heavy_rx_thld_percentage;
 230         u8 limited_ps_threshold;
 231         u8 reserved;
 232 } __packed;
 233
 234 /*
 235  * struct iwl_uapsd_misbehaving_ap_notif - FW sends this notification when
 236  * associated AP is identified as improperly implementing uAPSD protocol.
 237  * PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION = 0x78
 238  * @sta_id: index of station in uCode's station table - associated AP ID in
 239  *          this context.
 240  */
 241 struct iwl_uapsd_misbehaving_ap_notif {
 242         __le32 sta_id;
 243         u8 mac_id;
 244         u8 reserved[3];
 245 } __packed;
 246
 247 /**
 248  * struct iwl_beacon_filter_cmd
 249  * REPLY_BEACON_FILTERING_CMD = 0xd2 (command)
 250  * @id_and_color: MAC contex identifier
 251  * @bf_energy_delta: Used for RSSI filtering, if in 'normal' state. Send beacon
 252  *      to driver if delta in Energy values calculated for this and last
 253  *      passed beacon is greater than this threshold. Zero value means that
 254  *      the Energy change is ignored for beacon filtering, and beacon will
 255  *      not be forced to be sent to driver regardless of this delta. Typical
 256  *      energy delta 5dB.
 257  * @bf_roaming_energy_delta: Used for RSSI filtering, if in 'roaming' state.
 258  *      Send beacon to driver if delta in Energy values calculated for this
 259  *      and last passed beacon is greater than this threshold. Zero value
 260  *      means that the Energy change is ignored for beacon filtering while in
 261  *      Roaming state, typical energy delta 1dB.
 262  * @bf_roaming_state: Used for RSSI filtering. If absolute Energy values
 263  *      calculated for current beacon is less than the threshold, use
 264  *      Roaming Energy Delta Threshold, otherwise use normal Energy Delta
 265  *      Threshold. Typical energy threshold is -72dBm.
 266  * @bf_temp_threshold: This threshold determines the type of temperature
 267  *      filtering (Slow or Fast) that is selected (Units are in Celsuis):
 268  *      If the current temperature is above this threshold - Fast filter
 269  *      will be used, If the current temperature is below this threshold -
 270  *      Slow filter will be used.
 271  * @bf_temp_fast_filter: Send Beacon to driver if delta in temperature values
 272  *      calculated for this and the last passed beacon is greater than this
 273  *      threshold. Zero value means that the temperature change is ignored for
 274  *      beacon filtering; beacons will not be  forced to be sent to driver
 275  *      regardless of whether its temerature has been changed.
 276  * @bf_temp_slow_filter: Send Beacon to driver if delta in temperature values
 277  *      calculated for this and the last passed beacon is greater than this
 278  *      threshold. Zero value means that the temperature change is ignored for
 279  *      beacon filtering; beacons will not be forced to be sent to driver
 280  *      regardless of whether its temerature has been changed.
 281  * @bf_enable_beacon_filter: 1, beacon filtering is enabled; 0, disabled.
 282  * @bf_filter_escape_timer: Send beacons to to driver if no beacons were passed
 283  *      for a specific period of time. Units: Beacons.
 284  * @ba_escape_timer: Fully receive and parse beacon if no beacons were passed
 285  *      for a longer period of time then this escape-timeout. Units: Beacons.
 286  * @ba_enable_beacon_abort: 1, beacon abort is enabled; 0, disabled.
 287  */
 288 struct iwl_beacon_filter_cmd {
 289         __le32 bf_energy_delta;
 290         __le32 bf_roaming_energy_delta;
 291         __le32 bf_roaming_state;
 292         __le32 bf_temp_threshold;
 293         __le32 bf_temp_fast_filter;
 294         __le32 bf_temp_slow_filter;
 295         __le32 bf_enable_beacon_filter;
 296         __le32 bf_debug_flag;
 297         __le32 bf_escape_timer;
 298         __le32 ba_escape_timer;
 299         __le32 ba_enable_beacon_abort;
 300 } __packed;
 301
 302 /* Beacon filtering and beacon abort */
 303 #define IWL_BF_ENERGY_DELTA_DEFAULT 5
 304 #define IWL_BF_ENERGY_DELTA_MAX 255
 305 #define IWL_BF_ENERGY_DELTA_MIN 0
 306
 307 #define IWL_BF_ROAMING_ENERGY_DELTA_DEFAULT 1
 308 #define IWL_BF_ROAMING_ENERGY_DELTA_MAX 255
 309 #define IWL_BF_ROAMING_ENERGY_DELTA_MIN 0
 310
 311 #define IWL_BF_ROAMING_STATE_DEFAULT 72
 312 #define IWL_BF_ROAMING_STATE_MAX 255
 313 #define IWL_BF_ROAMING_STATE_MIN 0
 314
 315 #define IWL_BF_TEMP_THRESHOLD_DEFAULT 112
 316 #define IWL_BF_TEMP_THRESHOLD_MAX 255
 317 #define IWL_BF_TEMP_THRESHOLD_MIN 0
 318
 319 #define IWL_BF_TEMP_FAST_FILTER_DEFAULT 1
 320 #define IWL_BF_TEMP_FAST_FILTER_MAX 255
 321 #define IWL_BF_TEMP_FAST_FILTER_MIN 0
 322
 323 #define IWL_BF_TEMP_SLOW_FILTER_DEFAULT 5
 324 #define IWL_BF_TEMP_SLOW_FILTER_MAX 255
 325 #define IWL_BF_TEMP_SLOW_FILTER_MIN 0
 326
 327 #define IWL_BF_ENABLE_BEACON_FILTER_DEFAULT 1
 328
 329 #define IWL_BF_DEBUG_FLAG_DEFAULT 0
 330
 331 #define IWL_BF_ESCAPE_TIMER_DEFAULT 50
 332 #define IWL_BF_ESCAPE_TIMER_MAX 1024
 333 #define IWL_BF_ESCAPE_TIMER_MIN 0
 334
 335 #define IWL_BA_ESCAPE_TIMER_DEFAULT 6
 336 #define IWL_BA_ESCAPE_TIMER_D3 9
 337 #define IWL_BA_ESCAPE_TIMER_MAX 1024
 338 #define IWL_BA_ESCAPE_TIMER_MIN 0
 339
 340 #define IWL_BA_ENABLE_BEACON_ABORT_DEFAULT 1
 341
 342 #define IWL_BF_CMD_CONFIG_DEFAULTS                                           \
 343         .bf_energy_delta = cpu_to_le32(IWL_BF_ENERGY_DELTA_DEFAULT),         \
 344         .bf_roaming_energy_delta =                                           \
 345                 cpu_to_le32(IWL_BF_ROAMING_ENERGY_DELTA_DEFAULT),            \
 346         .bf_roaming_state = cpu_to_le32(IWL_BF_ROAMING_STATE_DEFAULT),       \
 347         .bf_temp_threshold = cpu_to_le32(IWL_BF_TEMP_THRESHOLD_DEFAULT),     \
 348         .bf_temp_fast_filter = cpu_to_le32(IWL_BF_TEMP_FAST_FILTER_DEFAULT), \
 349         .bf_temp_slow_filter = cpu_to_le32(IWL_BF_TEMP_SLOW_FILTER_DEFAULT), \
 350         .bf_debug_flag = cpu_to_le32(IWL_BF_DEBUG_FLAG_DEFAULT),             \
 351         .bf_escape_timer = cpu_to_le32(IWL_BF_ESCAPE_TIMER_DEFAULT),         \
 352         .ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_DEFAULT)
 353
 354 #endif