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 */
  89 enum iwl_power_flags {
  90         POWER_FLAGS_POWER_SAVE_ENA_MSK          = BIT(0),
  91         POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK    = BIT(1),
  92         POWER_FLAGS_SKIP_OVER_DTIM_MSK          = BIT(2),
  93         POWER_FLAGS_SNOOZE_ENA_MSK              = BIT(5),
  94         POWER_FLAGS_BT_SCO_ENA                  = BIT(8),
  95         POWER_FLAGS_ADVANCE_PM_ENA_MSK          = BIT(9),
  96         POWER_FLAGS_LPRX_ENA_MSK                = BIT(11),
  97 };
  98
  99 #define IWL_POWER_VEC_SIZE 5
 100
 101 /**
 102  * struct iwl_powertable_cmd - legacy power command. Beside old API support this
 103  *      is used also with a new power API for device wide power settings.
 104  * POWER_TABLE_CMD = 0x77 (command, has simple generic response)
 105  *
 106  * @flags:              Power table command flags from POWER_FLAGS_*
 107  * @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
 108  *                      Minimum allowed:- 3 * DTIM. Keep alive period must be
 109  *                      set regardless of power scheme or current power state.
 110  *                      FW use this value also when PM is disabled.
 111  * @rx_data_timeout:    Minimum time (usec) from last Rx packet for AM to
 112  *                      PSM transition - legacy PM
 113  * @tx_data_timeout:    Minimum time (usec) from last Tx packet for AM to
 114  *                      PSM transition - legacy PM
 115  * @sleep_interval:     not in use
 116  * @skip_dtim_periods:  Number of DTIM periods to skip if Skip over DTIM flag
 117  *                      is set. For example, if it is required to skip over
 118  *                      one DTIM, this value need to be set to 2 (DTIM periods).
 119  * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.
 120  *                      Default: 80dbm
 121  */
 122 struct iwl_powertable_cmd {
 123         /* PM_POWER_TABLE_CMD_API_S_VER_6 */
 124         __le16 flags;
 125         u8 keep_alive_seconds;
 126         u8 debug_flags;
 127         __le32 rx_data_timeout;
 128         __le32 tx_data_timeout;
 129         __le32 sleep_interval[IWL_POWER_VEC_SIZE];
 130         __le32 skip_dtim_periods;
 131         __le32 lprx_rssi_threshold;
 132 } __packed;
 133
 134 /**
 135  * struct iwl_mac_power_cmd - New power command containing uAPSD support
 136  * MAC_PM_POWER_TABLE = 0xA9 (command, has simple generic response)
 137  * @id_and_color:       MAC contex identifier
 138  * @flags:              Power table command flags from POWER_FLAGS_*
 139  * @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
 140  *                      Minimum allowed:- 3 * DTIM. Keep alive period must be
 141  *                      set regardless of power scheme or current power state.
 142  *                      FW use this value also when PM is disabled.
 143  * @rx_data_timeout:    Minimum time (usec) from last Rx packet for AM to
 144  *                      PSM transition - legacy PM
 145  * @tx_data_timeout:    Minimum time (usec) from last Tx packet for AM to
 146  *                      PSM transition - legacy PM
 147  * @sleep_interval:     not in use
 148  * @skip_dtim_periods:  Number of DTIM periods to skip if Skip over DTIM flag
 149  *                      is set. For example, if it is required to skip over
 150  *                      one DTIM, this value need to be set to 2 (DTIM periods).
 151  * @rx_data_timeout_uapsd: Minimum time (usec) from last Rx packet for AM to
 152  *                      PSM transition - uAPSD
 153  * @tx_data_timeout_uapsd: Minimum time (usec) from last Tx packet for AM to
 154  *                      PSM transition - uAPSD
 155  * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.
 156  *                      Default: 80dbm
 157  * @num_skip_dtim:      Number of DTIMs to skip if Skip over DTIM flag is set
 158  * @snooze_interval:    Maximum time between attempts to retrieve buffered data
 159  *                      from the AP [msec]
 160  * @snooze_window:      A window of time in which PBW snoozing insures that all
 161  *                      packets received. It is also the minimum time from last
 162  *                      received unicast RX packet, before client stops snoozing
 163  *                      for data. [msec]
 164  * @snooze_step:        TBD
 165  * @qndp_tid:           TID client shall use for uAPSD QNDP triggers
 166  * @uapsd_ac_flags:     Set trigger-enabled and delivery-enabled indication for
 167  *                      each corresponding AC.
 168  *                      Use IEEE80211_WMM_IE_STA_QOSINFO_AC* for correct values.
 169  * @uapsd_max_sp:       Use IEEE80211_WMM_IE_STA_QOSINFO_SP_* for correct
 170  *                      values.
 171  * @heavy_tx_thld_packets:      TX threshold measured in number of packets
 172  * @heavy_rx_thld_packets:      RX threshold measured in number of packets
 173  * @heavy_tx_thld_percentage:   TX threshold measured in load's percentage
 174  * @heavy_rx_thld_percentage:   RX threshold measured in load's percentage
 175  * @limited_ps_threshold:
 176 */
 177 struct iwl_mac_power_cmd {
 178         /* CONTEXT_DESC_API_T_VER_1 */
 179         __le32 id_and_color;
 180
 181         /* CLIENT_PM_POWER_TABLE_S_VER_1 */
 182         __le16 flags;
 183         __le16 keep_alive_seconds;
 184         __le32 rx_data_timeout;
 185         __le32 tx_data_timeout;
 186         __le32 rx_data_timeout_uapsd;
 187         __le32 tx_data_timeout_uapsd;
 188         u8 lprx_rssi_threshold;
 189         u8 skip_dtim_periods;
 190         __le16 snooze_interval;
 191         __le16 snooze_window;
 192         u8 snooze_step;
 193         u8 qndp_tid;
 194         u8 uapsd_ac_flags;
 195         u8 uapsd_max_sp;
 196         u8 heavy_tx_thld_packets;
 197         u8 heavy_rx_thld_packets;
 198         u8 heavy_tx_thld_percentage;
 199         u8 heavy_rx_thld_percentage;
 200         u8 limited_ps_threshold;
 201         u8 reserved;
 202 } __packed;
 203
 204 /**
 205  * struct iwl_beacon_filter_cmd
 206  * REPLY_BEACON_FILTERING_CMD = 0xd2 (command)
 207  * @id_and_color: MAC contex identifier
 208  * @bf_energy_delta: Used for RSSI filtering, if in 'normal' state. Send beacon
 209  *      to driver if delta in Energy values calculated for this and last
 210  *      passed beacon is greater than this threshold. Zero value means that
 211  *      the Energy change is ignored for beacon filtering, and beacon will
 212  *      not be forced to be sent to driver regardless of this delta. Typical
 213  *      energy delta 5dB.
 214  * @bf_roaming_energy_delta: Used for RSSI filtering, if in 'roaming' state.
 215  *      Send beacon to driver if delta in Energy values calculated for this
 216  *      and last passed beacon is greater than this threshold. Zero value
 217  *      means that the Energy change is ignored for beacon filtering while in
 218  *      Roaming state, typical energy delta 1dB.
 219  * @bf_roaming_state: Used for RSSI filtering. If absolute Energy values
 220  *      calculated for current beacon is less than the threshold, use
 221  *      Roaming Energy Delta Threshold, otherwise use normal Energy Delta
 222  *      Threshold. Typical energy threshold is -72dBm.
 223  * @bf_temp_threshold: This threshold determines the type of temperature
 224  *      filtering (Slow or Fast) that is selected (Units are in Celsuis):
 225  *      If the current temperature is above this threshold - Fast filter
 226  *      will be used, If the current temperature is below this threshold -
 227  *      Slow filter will be used.
 228  * @bf_temp_fast_filter: Send Beacon to driver if delta in temperature values
 229  *      calculated for this and the last passed beacon is greater than this
 230  *      threshold. Zero value means that the temperature change is ignored for
 231  *      beacon filtering; beacons will not be  forced to be sent to driver
 232  *      regardless of whether its temerature has been changed.
 233  * @bf_temp_slow_filter: Send Beacon to driver if delta in temperature values
 234  *      calculated for this and the last passed beacon is greater than this
 235  *      threshold. Zero value means that the temperature change is ignored for
 236  *      beacon filtering; beacons will not be forced to be sent to driver
 237  *      regardless of whether its temerature has been changed.
 238  * @bf_enable_beacon_filter: 1, beacon filtering is enabled; 0, disabled.
 239  * @bf_filter_escape_timer: Send beacons to to driver if no beacons were passed
 240  *      for a specific period of time. Units: Beacons.
 241  * @ba_escape_timer: Fully receive and parse beacon if no beacons were passed
 242  *      for a longer period of time then this escape-timeout. Units: Beacons.
 243  * @ba_enable_beacon_abort: 1, beacon abort is enabled; 0, disabled.
 244  */
 245 struct iwl_beacon_filter_cmd {
 246         __le32 bf_energy_delta;
 247         __le32 bf_roaming_energy_delta;
 248         __le32 bf_roaming_state;
 249         __le32 bf_temp_threshold;
 250         __le32 bf_temp_fast_filter;
 251         __le32 bf_temp_slow_filter;
 252         __le32 bf_enable_beacon_filter;
 253         __le32 bf_debug_flag;
 254         __le32 bf_escape_timer;
 255         __le32 ba_escape_timer;
 256         __le32 ba_enable_beacon_abort;
 257 } __packed;
 258
 259 /* Beacon filtering and beacon abort */
 260 #define IWL_BF_ENERGY_DELTA_DEFAULT 5
 261 #define IWL_BF_ENERGY_DELTA_MAX 255
 262 #define IWL_BF_ENERGY_DELTA_MIN 0
 263
 264 #define IWL_BF_ROAMING_ENERGY_DELTA_DEFAULT 1
 265 #define IWL_BF_ROAMING_ENERGY_DELTA_MAX 255
 266 #define IWL_BF_ROAMING_ENERGY_DELTA_MIN 0
 267
 268 #define IWL_BF_ROAMING_STATE_DEFAULT 72
 269 #define IWL_BF_ROAMING_STATE_MAX 255
 270 #define IWL_BF_ROAMING_STATE_MIN 0
 271
 272 #define IWL_BF_TEMP_THRESHOLD_DEFAULT 112
 273 #define IWL_BF_TEMP_THRESHOLD_MAX 255
 274 #define IWL_BF_TEMP_THRESHOLD_MIN 0
 275
 276 #define IWL_BF_TEMP_FAST_FILTER_DEFAULT 1
 277 #define IWL_BF_TEMP_FAST_FILTER_MAX 255
 278 #define IWL_BF_TEMP_FAST_FILTER_MIN 0
 279
 280 #define IWL_BF_TEMP_SLOW_FILTER_DEFAULT 5
 281 #define IWL_BF_TEMP_SLOW_FILTER_MAX 255
 282 #define IWL_BF_TEMP_SLOW_FILTER_MIN 0
 283
 284 #define IWL_BF_ENABLE_BEACON_FILTER_DEFAULT 1
 285
 286 #define IWL_BF_DEBUG_FLAG_DEFAULT 0
 287
 288 #define IWL_BF_ESCAPE_TIMER_DEFAULT 50
 289 #define IWL_BF_ESCAPE_TIMER_MAX 1024
 290 #define IWL_BF_ESCAPE_TIMER_MIN 0
 291
 292 #define IWL_BA_ESCAPE_TIMER_DEFAULT 6
 293 #define IWL_BA_ESCAPE_TIMER_D3 6
 294 #define IWL_BA_ESCAPE_TIMER_MAX 1024
 295 #define IWL_BA_ESCAPE_TIMER_MIN 0
 296
 297 #define IWL_BA_ENABLE_BEACON_ABORT_DEFAULT 1
 298
 299 #define IWL_BF_CMD_CONFIG_DEFAULTS                                           \
 300         .bf_energy_delta = cpu_to_le32(IWL_BF_ENERGY_DELTA_DEFAULT),         \
 301         .bf_roaming_energy_delta =                                           \
 302                 cpu_to_le32(IWL_BF_ROAMING_ENERGY_DELTA_DEFAULT),            \
 303         .bf_roaming_state = cpu_to_le32(IWL_BF_ROAMING_STATE_DEFAULT),       \
 304         .bf_temp_threshold = cpu_to_le32(IWL_BF_TEMP_THRESHOLD_DEFAULT),     \
 305         .bf_temp_fast_filter = cpu_to_le32(IWL_BF_TEMP_FAST_FILTER_DEFAULT), \
 306         .bf_temp_slow_filter = cpu_to_le32(IWL_BF_TEMP_SLOW_FILTER_DEFAULT), \
 307         .bf_debug_flag = cpu_to_le32(IWL_BF_DEBUG_FLAG_DEFAULT),             \
 308         .bf_escape_timer = cpu_to_le32(IWL_BF_ESCAPE_TIMER_DEFAULT),         \
 309         .ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_DEFAULT)
 310
 311 #endif