linux/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h
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   3 * This file is provided under a dual BSD/GPLv2 license.  When using or
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  62
  63#ifndef __fw_api_sta_h__
  64#define __fw_api_sta_h__
  65
  66/**
  67 * enum iwl_sta_flags - flags for the ADD_STA host command
  68 * @STA_FLG_REDUCED_TX_PWR_CTRL:
  69 * @STA_FLG_REDUCED_TX_PWR_DATA:
  70 * @STA_FLG_FLG_ANT_MSK: Antenna selection
  71 * @STA_FLG_PS: set if STA is in Power Save
  72 * @STA_FLG_INVALID: set if STA is invalid
  73 * @STA_FLG_DLP_EN: Direct Link Protocol is enabled
  74 * @STA_FLG_SET_ALL_KEYS: the current key applies to all key IDs
  75 * @STA_FLG_DRAIN_FLOW: drain flow
  76 * @STA_FLG_PAN: STA is for PAN interface
  77 * @STA_FLG_CLASS_AUTH:
  78 * @STA_FLG_CLASS_ASSOC:
  79 * @STA_FLG_CLASS_MIMO_PROT:
  80 * @STA_FLG_MAX_AGG_SIZE_MSK: maximal size for A-MPDU
  81 * @STA_FLG_AGG_MPDU_DENS_MSK: maximal MPDU density for Tx aggregation
  82 * @STA_FLG_FAT_EN_MSK: support for channel width (for Tx). This flag is
  83 *      initialised by driver and can be updated by fw upon reception of
  84 *      action frames that can change the channel width. When cleared the fw
  85 *      will send all the frames in 20MHz even when FAT channel is requested.
  86 * @STA_FLG_MIMO_EN_MSK: support for MIMO. This flag is initialised by the
  87 *      driver and can be updated by fw upon reception of action frames.
  88 * @STA_FLG_MFP_EN: Management Frame Protection
  89 */
  90enum iwl_sta_flags {
  91        STA_FLG_REDUCED_TX_PWR_CTRL     = BIT(3),
  92        STA_FLG_REDUCED_TX_PWR_DATA     = BIT(6),
  93
  94        STA_FLG_FLG_ANT_A               = (1 << 4),
  95        STA_FLG_FLG_ANT_B               = (2 << 4),
  96        STA_FLG_FLG_ANT_MSK             = (STA_FLG_FLG_ANT_A |
  97                                           STA_FLG_FLG_ANT_B),
  98
  99        STA_FLG_PS                      = BIT(8),
 100        STA_FLG_INVALID                 = BIT(9),
 101        STA_FLG_DLP_EN                  = BIT(10),
 102        STA_FLG_SET_ALL_KEYS            = BIT(11),
 103        STA_FLG_DRAIN_FLOW              = BIT(12),
 104        STA_FLG_PAN                     = BIT(13),
 105        STA_FLG_CLASS_AUTH              = BIT(14),
 106        STA_FLG_CLASS_ASSOC             = BIT(15),
 107        STA_FLG_RTS_MIMO_PROT           = BIT(17),
 108
 109        STA_FLG_MAX_AGG_SIZE_SHIFT      = 19,
 110        STA_FLG_MAX_AGG_SIZE_8K         = (0 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 111        STA_FLG_MAX_AGG_SIZE_16K        = (1 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 112        STA_FLG_MAX_AGG_SIZE_32K        = (2 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 113        STA_FLG_MAX_AGG_SIZE_64K        = (3 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 114        STA_FLG_MAX_AGG_SIZE_128K       = (4 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 115        STA_FLG_MAX_AGG_SIZE_256K       = (5 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 116        STA_FLG_MAX_AGG_SIZE_512K       = (6 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 117        STA_FLG_MAX_AGG_SIZE_1024K      = (7 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 118        STA_FLG_MAX_AGG_SIZE_MSK        = (7 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 119
 120        STA_FLG_AGG_MPDU_DENS_SHIFT     = 23,
 121        STA_FLG_AGG_MPDU_DENS_2US       = (4 << STA_FLG_AGG_MPDU_DENS_SHIFT),
 122        STA_FLG_AGG_MPDU_DENS_4US       = (5 << STA_FLG_AGG_MPDU_DENS_SHIFT),
 123        STA_FLG_AGG_MPDU_DENS_8US       = (6 << STA_FLG_AGG_MPDU_DENS_SHIFT),
 124        STA_FLG_AGG_MPDU_DENS_16US      = (7 << STA_FLG_AGG_MPDU_DENS_SHIFT),
 125        STA_FLG_AGG_MPDU_DENS_MSK       = (7 << STA_FLG_AGG_MPDU_DENS_SHIFT),
 126
 127        STA_FLG_FAT_EN_20MHZ            = (0 << 26),
 128        STA_FLG_FAT_EN_40MHZ            = (1 << 26),
 129        STA_FLG_FAT_EN_80MHZ            = (2 << 26),
 130        STA_FLG_FAT_EN_160MHZ           = (3 << 26),
 131        STA_FLG_FAT_EN_MSK              = (3 << 26),
 132
 133        STA_FLG_MIMO_EN_SISO            = (0 << 28),
 134        STA_FLG_MIMO_EN_MIMO2           = (1 << 28),
 135        STA_FLG_MIMO_EN_MIMO3           = (2 << 28),
 136        STA_FLG_MIMO_EN_MSK             = (3 << 28),
 137};
 138
 139/**
 140 * enum iwl_sta_key_flag - key flags for the ADD_STA host command
 141 * @STA_KEY_FLG_EN_MSK: mask for encryption algorithm
 142 * @STA_KEY_FLG_WEP_KEY_MAP: wep is either a group key (0 - legacy WEP) or from
 143 *      station info array (1 - n 1X mode)
 144 * @STA_KEY_FLG_KEYID_MSK: the index of the key
 145 * @STA_KEY_NOT_VALID: key is invalid
 146 * @STA_KEY_FLG_WEP_13BYTES: set for 13 bytes WEP key
 147 * @STA_KEY_MULTICAST: set for multical key
 148 * @STA_KEY_MFP: key is used for Management Frame Protection
 149 */
 150enum iwl_sta_key_flag {
 151        STA_KEY_FLG_NO_ENC              = (0 << 0),
 152        STA_KEY_FLG_WEP                 = (1 << 0),
 153        STA_KEY_FLG_CCM                 = (2 << 0),
 154        STA_KEY_FLG_TKIP                = (3 << 0),
 155        STA_KEY_FLG_CMAC                = (6 << 0),
 156        STA_KEY_FLG_ENC_UNKNOWN         = (7 << 0),
 157        STA_KEY_FLG_EN_MSK              = (7 << 0),
 158
 159        STA_KEY_FLG_WEP_KEY_MAP         = BIT(3),
 160        STA_KEY_FLG_KEYID_POS            = 8,
 161        STA_KEY_FLG_KEYID_MSK           = (3 << STA_KEY_FLG_KEYID_POS),
 162        STA_KEY_NOT_VALID               = BIT(11),
 163        STA_KEY_FLG_WEP_13BYTES         = BIT(12),
 164        STA_KEY_MULTICAST               = BIT(14),
 165        STA_KEY_MFP                     = BIT(15),
 166};
 167
 168/**
 169 * enum iwl_sta_modify_flag - indicate to the fw what flag are being changed
 170 * @STA_MODIFY_KEY: this command modifies %key
 171 * @STA_MODIFY_TID_DISABLE_TX: this command modifies %tid_disable_tx
 172 * @STA_MODIFY_TX_RATE: unused
 173 * @STA_MODIFY_ADD_BA_TID: this command modifies %add_immediate_ba_tid
 174 * @STA_MODIFY_REMOVE_BA_TID: this command modifies %remove_immediate_ba_tid
 175 * @STA_MODIFY_SLEEPING_STA_TX_COUNT: this command modifies %sleep_tx_count
 176 * @STA_MODIFY_PROT_TH:
 177 * @STA_MODIFY_QUEUES: modify the queues used by this station
 178 */
 179enum iwl_sta_modify_flag {
 180        STA_MODIFY_KEY                          = BIT(0),
 181        STA_MODIFY_TID_DISABLE_TX               = BIT(1),
 182        STA_MODIFY_TX_RATE                      = BIT(2),
 183        STA_MODIFY_ADD_BA_TID                   = BIT(3),
 184        STA_MODIFY_REMOVE_BA_TID                = BIT(4),
 185        STA_MODIFY_SLEEPING_STA_TX_COUNT        = BIT(5),
 186        STA_MODIFY_PROT_TH                      = BIT(6),
 187        STA_MODIFY_QUEUES                       = BIT(7),
 188};
 189
 190#define STA_MODE_MODIFY 1
 191
 192/**
 193 * enum iwl_sta_sleep_flag - type of sleep of the station
 194 * @STA_SLEEP_STATE_AWAKE:
 195 * @STA_SLEEP_STATE_PS_POLL:
 196 * @STA_SLEEP_STATE_UAPSD:
 197 */
 198enum iwl_sta_sleep_flag {
 199        STA_SLEEP_STATE_AWAKE   = 0,
 200        STA_SLEEP_STATE_PS_POLL = BIT(0),
 201        STA_SLEEP_STATE_UAPSD   = BIT(1),
 202};
 203
 204/* STA ID and color bits definitions */
 205#define STA_ID_SEED             (0x0f)
 206#define STA_ID_POS              (0)
 207#define STA_ID_MSK              (STA_ID_SEED << STA_ID_POS)
 208
 209#define STA_COLOR_SEED          (0x7)
 210#define STA_COLOR_POS           (4)
 211#define STA_COLOR_MSK           (STA_COLOR_SEED << STA_COLOR_POS)
 212
 213#define STA_ID_N_COLOR_GET_COLOR(id_n_color) \
 214        (((id_n_color) & STA_COLOR_MSK) >> STA_COLOR_POS)
 215#define STA_ID_N_COLOR_GET_ID(id_n_color)    \
 216        (((id_n_color) & STA_ID_MSK) >> STA_ID_POS)
 217
 218#define STA_KEY_MAX_NUM (16)
 219#define STA_KEY_IDX_INVALID (0xff)
 220#define STA_KEY_MAX_DATA_KEY_NUM (4)
 221#define IWL_MAX_GLOBAL_KEYS (4)
 222#define STA_KEY_LEN_WEP40 (5)
 223#define STA_KEY_LEN_WEP104 (13)
 224
 225/**
 226 * struct iwl_mvm_keyinfo - key information
 227 * @key_flags: type %iwl_sta_key_flag
 228 * @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection
 229 * @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx
 230 * @key_offset: key offset in the fw's key table
 231 * @key: 16-byte unicast decryption key
 232 * @tx_secur_seq_cnt: initial RSC / PN needed for replay check
 233 * @hw_tkip_mic_rx_key: byte: MIC Rx Key - used for TKIP only
 234 * @hw_tkip_mic_tx_key: byte: MIC Tx Key - used for TKIP only
 235 */
 236struct iwl_mvm_keyinfo {
 237        __le16 key_flags;
 238        u8 tkip_rx_tsc_byte2;
 239        u8 reserved1;
 240        __le16 tkip_rx_ttak[5];
 241        u8 key_offset;
 242        u8 reserved2;
 243        u8 key[16];
 244        __le64 tx_secur_seq_cnt;
 245        __le64 hw_tkip_mic_rx_key;
 246        __le64 hw_tkip_mic_tx_key;
 247} __packed;
 248
 249/**
 250 * struct iwl_mvm_add_sta_cmd - Add / modify a station in the fw's station table
 251 * ( REPLY_ADD_STA = 0x18 )
 252 * @add_modify: 1: modify existing, 0: add new station
 253 * @unicast_tx_key_id: unicast tx key id. Relevant only when unicast key sent
 254 * @multicast_tx_key_id: multicast tx key id. Relevant only when multicast key
 255 *      sent
 256 * @mac_id_n_color: the Mac context this station belongs to
 257 * @addr[ETH_ALEN]: station's MAC address
 258 * @sta_id: index of station in uCode's station table
 259 * @modify_mask: STA_MODIFY_*, selects which parameters to modify vs. leave
 260 *      alone. 1 - modify, 0 - don't change.
 261 * @key: look at %iwl_mvm_keyinfo
 262 * @station_flags: look at %iwl_sta_flags
 263 * @station_flags_msk: what of %station_flags have changed
 264 * @tid_disable_tx: is tid BIT(tid) enabled for Tx. Clear BIT(x) to enable
 265 *      AMPDU for tid x. Set %STA_MODIFY_TID_DISABLE_TX to change this field.
 266 * @add_immediate_ba_tid: tid for which to add block-ack support (Rx)
 267 *      Set %STA_MODIFY_ADD_BA_TID to use this field, and also set
 268 *      add_immediate_ba_ssn.
 269 * @remove_immediate_ba_tid: tid for which to remove block-ack support (Rx)
 270 *      Set %STA_MODIFY_REMOVE_BA_TID to use this field
 271 * @add_immediate_ba_ssn: ssn for the Rx block-ack session. Used together with
 272 *      add_immediate_ba_tid.
 273 * @sleep_tx_count: number of packets to transmit to station even though it is
 274 *      asleep. Used to synchronise PS-poll and u-APSD responses while ucode
 275 *      keeps track of STA sleep state.
 276 * @sleep_state_flags: Look at %iwl_sta_sleep_flag.
 277 * @assoc_id: assoc_id to be sent in VHT PLCP (9-bit), for grp use 0, for AP
 278 *      mac-addr.
 279 * @beamform_flags: beam forming controls
 280 * @tfd_queue_msk: tfd queues used by this station
 281 *
 282 * The device contains an internal table of per-station information, with info
 283 * on security keys, aggregation parameters, and Tx rates for initial Tx
 284 * attempt and any retries (set by REPLY_TX_LINK_QUALITY_CMD).
 285 *
 286 * ADD_STA sets up the table entry for one station, either creating a new
 287 * entry, or modifying a pre-existing one.
 288 */
 289struct iwl_mvm_add_sta_cmd {
 290        u8 add_modify;
 291        u8 unicast_tx_key_id;
 292        u8 multicast_tx_key_id;
 293        u8 reserved1;
 294        __le32 mac_id_n_color;
 295        u8 addr[ETH_ALEN];
 296        __le16 reserved2;
 297        u8 sta_id;
 298        u8 modify_mask;
 299        __le16 reserved3;
 300        struct iwl_mvm_keyinfo key;
 301        __le32 station_flags;
 302        __le32 station_flags_msk;
 303        __le16 tid_disable_tx;
 304        __le16 reserved4;
 305        u8 add_immediate_ba_tid;
 306        u8 remove_immediate_ba_tid;
 307        __le16 add_immediate_ba_ssn;
 308        __le16 sleep_tx_count;
 309        __le16 sleep_state_flags;
 310        __le16 assoc_id;
 311        __le16 beamform_flags;
 312        __le32 tfd_queue_msk;
 313} __packed; /* ADD_STA_CMD_API_S_VER_5 */
 314
 315/**
 316 * enum iwl_mvm_add_sta_rsp_status - status in the response to ADD_STA command
 317 * @ADD_STA_SUCCESS: operation was executed successfully
 318 * @ADD_STA_STATIONS_OVERLOAD: no room left in the fw's station table
 319 * @ADD_STA_IMMEDIATE_BA_FAILURE: can't add Rx block ack session
 320 * @ADD_STA_MODIFY_NON_EXISTING_STA: driver requested to modify a station that
 321 *      doesn't exist.
 322 */
 323enum iwl_mvm_add_sta_rsp_status {
 324        ADD_STA_SUCCESS                 = 0x1,
 325        ADD_STA_STATIONS_OVERLOAD       = 0x2,
 326        ADD_STA_IMMEDIATE_BA_FAILURE    = 0x4,
 327        ADD_STA_MODIFY_NON_EXISTING_STA = 0x8,
 328};
 329
 330/**
 331 * struct iwl_mvm_rm_sta_cmd - Add / modify a station in the fw's station table
 332 * ( REMOVE_STA = 0x19 )
 333 * @sta_id: the station id of the station to be removed
 334 */
 335struct iwl_mvm_rm_sta_cmd {
 336        u8 sta_id;
 337        u8 reserved[3];
 338} __packed; /* REMOVE_STA_CMD_API_S_VER_2 */
 339
 340/**
 341 * struct iwl_mvm_mgmt_mcast_key_cmd
 342 * ( MGMT_MCAST_KEY = 0x1f )
 343 * @ctrl_flags: %iwl_sta_key_flag
 344 * @IGTK:
 345 * @K1: IGTK master key
 346 * @K2: IGTK sub key
 347 * @sta_id: station ID that support IGTK
 348 * @key_id:
 349 * @receive_seq_cnt: initial RSC/PN needed for replay check
 350 */
 351struct iwl_mvm_mgmt_mcast_key_cmd {
 352        __le32 ctrl_flags;
 353        u8 IGTK[16];
 354        u8 K1[16];
 355        u8 K2[16];
 356        __le32 key_id;
 357        __le32 sta_id;
 358        __le64 receive_seq_cnt;
 359} __packed; /* SEC_MGMT_MULTICAST_KEY_CMD_API_S_VER_1 */
 360
 361struct iwl_mvm_wep_key {
 362        u8 key_index;
 363        u8 key_offset;
 364        __le16 reserved1;
 365        u8 key_size;
 366        u8 reserved2[3];
 367        u8 key[16];
 368} __packed;
 369
 370struct iwl_mvm_wep_key_cmd {
 371        __le32 mac_id_n_color;
 372        u8 num_keys;
 373        u8 decryption_type;
 374        u8 flags;
 375        u8 reserved;
 376        struct iwl_mvm_wep_key wep_key[0];
 377} __packed; /* SEC_CURR_WEP_KEY_CMD_API_S_VER_2 */
 378
 379
 380#endif /* __fw_api_sta_h__ */
 381