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

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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  */
  90 enum 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_DRAIN_FLOW              = BIT(12),
 101         STA_FLG_PAN                     = BIT(13),
 102         STA_FLG_CLASS_AUTH              = BIT(14),
 103         STA_FLG_CLASS_ASSOC             = BIT(15),
 104         STA_FLG_RTS_MIMO_PROT           = BIT(17),
 105
 106         STA_FLG_MAX_AGG_SIZE_SHIFT      = 19,
 107         STA_FLG_MAX_AGG_SIZE_8K         = (0 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 108         STA_FLG_MAX_AGG_SIZE_16K        = (1 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 109         STA_FLG_MAX_AGG_SIZE_32K        = (2 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 110         STA_FLG_MAX_AGG_SIZE_64K        = (3 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 111         STA_FLG_MAX_AGG_SIZE_128K       = (4 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 112         STA_FLG_MAX_AGG_SIZE_256K       = (5 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 113         STA_FLG_MAX_AGG_SIZE_512K       = (6 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 114         STA_FLG_MAX_AGG_SIZE_1024K      = (7 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 115         STA_FLG_MAX_AGG_SIZE_MSK        = (7 << STA_FLG_MAX_AGG_SIZE_SHIFT),
 116
 117         STA_FLG_AGG_MPDU_DENS_SHIFT     = 23,
 118         STA_FLG_AGG_MPDU_DENS_2US       = (4 << STA_FLG_AGG_MPDU_DENS_SHIFT),
 119         STA_FLG_AGG_MPDU_DENS_4US       = (5 << STA_FLG_AGG_MPDU_DENS_SHIFT),
 120         STA_FLG_AGG_MPDU_DENS_8US       = (6 << STA_FLG_AGG_MPDU_DENS_SHIFT),
 121         STA_FLG_AGG_MPDU_DENS_16US      = (7 << STA_FLG_AGG_MPDU_DENS_SHIFT),
 122         STA_FLG_AGG_MPDU_DENS_MSK       = (7 << STA_FLG_AGG_MPDU_DENS_SHIFT),
 123
 124         STA_FLG_FAT_EN_20MHZ            = (0 << 26),
 125         STA_FLG_FAT_EN_40MHZ            = (1 << 26),
 126         STA_FLG_FAT_EN_80MHZ            = (2 << 26),
 127         STA_FLG_FAT_EN_160MHZ           = (3 << 26),
 128         STA_FLG_FAT_EN_MSK              = (3 << 26),
 129
 130         STA_FLG_MIMO_EN_SISO            = (0 << 28),
 131         STA_FLG_MIMO_EN_MIMO2           = (1 << 28),
 132         STA_FLG_MIMO_EN_MIMO3           = (2 << 28),
 133         STA_FLG_MIMO_EN_MSK             = (3 << 28),
 134 };
 135
 136 /**
 137  * enum iwl_sta_key_flag - key flags for the ADD_STA host command
 138  * @STA_KEY_FLG_NO_ENC: no encryption
 139  * @STA_KEY_FLG_WEP: WEP encryption algorithm
 140  * @STA_KEY_FLG_CCM: CCMP encryption algorithm
 141  * @STA_KEY_FLG_TKIP: TKIP encryption algorithm
 142  * @STA_KEY_FLG_EXT: extended cipher algorithm (depends on the FW support)
 143  * @STA_KEY_FLG_CMAC: CMAC encryption algorithm
 144  * @STA_KEY_FLG_ENC_UNKNOWN: unknown encryption algorithm
 145  * @STA_KEY_FLG_EN_MSK: mask for encryption algorithmi value
 146  * @STA_KEY_FLG_WEP_KEY_MAP: wep is either a group key (0 - legacy WEP) or from
 147  *      station info array (1 - n 1X mode)
 148  * @STA_KEY_FLG_KEYID_MSK: the index of the key
 149  * @STA_KEY_NOT_VALID: key is invalid
 150  * @STA_KEY_FLG_WEP_13BYTES: set for 13 bytes WEP key
 151  * @STA_KEY_MULTICAST: set for multical key
 152  * @STA_KEY_MFP: key is used for Management Frame Protection
 153  */
 154 enum iwl_sta_key_flag {
 155         STA_KEY_FLG_NO_ENC              = (0 << 0),
 156         STA_KEY_FLG_WEP                 = (1 << 0),
 157         STA_KEY_FLG_CCM                 = (2 << 0),
 158         STA_KEY_FLG_TKIP                = (3 << 0),
 159         STA_KEY_FLG_EXT                 = (4 << 0),
 160         STA_KEY_FLG_CMAC                = (6 << 0),
 161         STA_KEY_FLG_ENC_UNKNOWN         = (7 << 0),
 162         STA_KEY_FLG_EN_MSK              = (7 << 0),
 163
 164         STA_KEY_FLG_WEP_KEY_MAP         = BIT(3),
 165         STA_KEY_FLG_KEYID_POS            = 8,
 166         STA_KEY_FLG_KEYID_MSK           = (3 << STA_KEY_FLG_KEYID_POS),
 167         STA_KEY_NOT_VALID               = BIT(11),
 168         STA_KEY_FLG_WEP_13BYTES         = BIT(12),
 169         STA_KEY_MULTICAST               = BIT(14),
 170         STA_KEY_MFP                     = BIT(15),
 171 };
 172
 173 /**
 174  * enum iwl_sta_modify_flag - indicate to the fw what flag are being changed
 175  * @STA_MODIFY_KEY: this command modifies %key
 176  * @STA_MODIFY_TID_DISABLE_TX: this command modifies %tid_disable_tx
 177  * @STA_MODIFY_TX_RATE: unused
 178  * @STA_MODIFY_ADD_BA_TID: this command modifies %add_immediate_ba_tid
 179  * @STA_MODIFY_REMOVE_BA_TID: this command modifies %remove_immediate_ba_tid
 180  * @STA_MODIFY_SLEEPING_STA_TX_COUNT: this command modifies %sleep_tx_count
 181  * @STA_MODIFY_PROT_TH:
 182  * @STA_MODIFY_QUEUES: modify the queues used by this station
 183  */
 184 enum iwl_sta_modify_flag {
 185         STA_MODIFY_KEY                          = BIT(0),
 186         STA_MODIFY_TID_DISABLE_TX               = BIT(1),
 187         STA_MODIFY_TX_RATE                      = BIT(2),
 188         STA_MODIFY_ADD_BA_TID                   = BIT(3),
 189         STA_MODIFY_REMOVE_BA_TID                = BIT(4),
 190         STA_MODIFY_SLEEPING_STA_TX_COUNT        = BIT(5),
 191         STA_MODIFY_PROT_TH                      = BIT(6),
 192         STA_MODIFY_QUEUES                       = BIT(7),
 193 };
 194
 195 #define STA_MODE_MODIFY 1
 196
 197 /**
 198  * enum iwl_sta_sleep_flag - type of sleep of the station
 199  * @STA_SLEEP_STATE_AWAKE:
 200  * @STA_SLEEP_STATE_PS_POLL:
 201  * @STA_SLEEP_STATE_UAPSD:
 202  */
 203 enum iwl_sta_sleep_flag {
 204         STA_SLEEP_STATE_AWAKE   = 0,
 205         STA_SLEEP_STATE_PS_POLL = BIT(0),
 206         STA_SLEEP_STATE_UAPSD   = BIT(1),
 207 };
 208
 209 /* STA ID and color bits definitions */
 210 #define STA_ID_SEED             (0x0f)
 211 #define STA_ID_POS              (0)
 212 #define STA_ID_MSK              (STA_ID_SEED << STA_ID_POS)
 213
 214 #define STA_COLOR_SEED          (0x7)
 215 #define STA_COLOR_POS           (4)
 216 #define STA_COLOR_MSK           (STA_COLOR_SEED << STA_COLOR_POS)
 217
 218 #define STA_ID_N_COLOR_GET_COLOR(id_n_color) \
 219         (((id_n_color) & STA_COLOR_MSK) >> STA_COLOR_POS)
 220 #define STA_ID_N_COLOR_GET_ID(id_n_color)    \
 221         (((id_n_color) & STA_ID_MSK) >> STA_ID_POS)
 222
 223 #define STA_KEY_MAX_NUM (16)
 224 #define STA_KEY_IDX_INVALID (0xff)
 225 #define STA_KEY_MAX_DATA_KEY_NUM (4)
 226 #define IWL_MAX_GLOBAL_KEYS (4)
 227 #define STA_KEY_LEN_WEP40 (5)
 228 #define STA_KEY_LEN_WEP104 (13)
 229
 230 /**
 231  * struct iwl_mvm_keyinfo - key information
 232  * @key_flags: type %iwl_sta_key_flag
 233  * @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection
 234  * @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx
 235  * @key_offset: key offset in the fw's key table
 236  * @key: 16-byte unicast decryption key
 237  * @tx_secur_seq_cnt: initial RSC / PN needed for replay check
 238  * @hw_tkip_mic_rx_key: byte: MIC Rx Key - used for TKIP only
 239  * @hw_tkip_mic_tx_key: byte: MIC Tx Key - used for TKIP only
 240  */
 241 struct iwl_mvm_keyinfo {
 242         __le16 key_flags;
 243         u8 tkip_rx_tsc_byte2;
 244         u8 reserved1;
 245         __le16 tkip_rx_ttak[5];
 246         u8 key_offset;
 247         u8 reserved2;
 248         u8 key[16];
 249         __le64 tx_secur_seq_cnt;
 250         __le64 hw_tkip_mic_rx_key;
 251         __le64 hw_tkip_mic_tx_key;
 252 } __packed;
 253
 254 /**
 255  * struct iwl_mvm_add_sta_cmd_v5 - Add/modify a station in the fw's sta table.
 256  * ( REPLY_ADD_STA = 0x18 )
 257  * @add_modify: 1: modify existing, 0: add new station
 258  * @unicast_tx_key_id: unicast tx key id. Relevant only when unicast key sent
 259  * @multicast_tx_key_id: multicast tx key id. Relevant only when multicast key
 260  *      sent
 261  * @mac_id_n_color: the Mac context this station belongs to
 262  * @addr[ETH_ALEN]: station's MAC address
 263  * @sta_id: index of station in uCode's station table
 264  * @modify_mask: STA_MODIFY_*, selects which parameters to modify vs. leave
 265  *      alone. 1 - modify, 0 - don't change.
 266  * @key: look at %iwl_mvm_keyinfo
 267  * @station_flags: look at %iwl_sta_flags
 268  * @station_flags_msk: what of %station_flags have changed
 269  * @tid_disable_tx: is tid BIT(tid) enabled for Tx. Clear BIT(x) to enable
 270  *      AMPDU for tid x. Set %STA_MODIFY_TID_DISABLE_TX to change this field.
 271  * @add_immediate_ba_tid: tid for which to add block-ack support (Rx)
 272  *      Set %STA_MODIFY_ADD_BA_TID to use this field, and also set
 273  *      add_immediate_ba_ssn.
 274  * @remove_immediate_ba_tid: tid for which to remove block-ack support (Rx)
 275  *      Set %STA_MODIFY_REMOVE_BA_TID to use this field
 276  * @add_immediate_ba_ssn: ssn for the Rx block-ack session. Used together with
 277  *      add_immediate_ba_tid.
 278  * @sleep_tx_count: number of packets to transmit to station even though it is
 279  *      asleep. Used to synchronise PS-poll and u-APSD responses while ucode
 280  *      keeps track of STA sleep state.
 281  * @sleep_state_flags: Look at %iwl_sta_sleep_flag.
 282  * @assoc_id: assoc_id to be sent in VHT PLCP (9-bit), for grp use 0, for AP
 283  *      mac-addr.
 284  * @beamform_flags: beam forming controls
 285  * @tfd_queue_msk: tfd queues used by this station
 286  *
 287  * The device contains an internal table of per-station information, with info
 288  * on security keys, aggregation parameters, and Tx rates for initial Tx
 289  * attempt and any retries (set by REPLY_TX_LINK_QUALITY_CMD).
 290  *
 291  * ADD_STA sets up the table entry for one station, either creating a new
 292  * entry, or modifying a pre-existing one.
 293  */
 294 struct iwl_mvm_add_sta_cmd_v5 {
 295         u8 add_modify;
 296         u8 unicast_tx_key_id;
 297         u8 multicast_tx_key_id;
 298         u8 reserved1;
 299         __le32 mac_id_n_color;
 300         u8 addr[ETH_ALEN];
 301         __le16 reserved2;
 302         u8 sta_id;
 303         u8 modify_mask;
 304         __le16 reserved3;
 305         struct iwl_mvm_keyinfo key;
 306         __le32 station_flags;
 307         __le32 station_flags_msk;
 308         __le16 tid_disable_tx;
 309         __le16 reserved4;
 310         u8 add_immediate_ba_tid;
 311         u8 remove_immediate_ba_tid;
 312         __le16 add_immediate_ba_ssn;
 313         __le16 sleep_tx_count;
 314         __le16 sleep_state_flags;
 315         __le16 assoc_id;
 316         __le16 beamform_flags;
 317         __le32 tfd_queue_msk;
 318 } __packed; /* ADD_STA_CMD_API_S_VER_5 */
 319
 320 /**
 321  * struct iwl_mvm_add_sta_cmd_v6 - Add / modify a station
 322  * VER_6 of this command is quite similar to VER_5 except
 323  * exclusion of all fields related to the security key installation.
 324  */
 325 struct iwl_mvm_add_sta_cmd_v6 {
 326         u8 add_modify;
 327         u8 reserved1;
 328         __le16 tid_disable_tx;
 329         __le32 mac_id_n_color;
 330         u8 addr[ETH_ALEN];      /* _STA_ID_MODIFY_INFO_API_S_VER_1 */
 331         __le16 reserved2;
 332         u8 sta_id;
 333         u8 modify_mask;
 334         __le16 reserved3;
 335         __le32 station_flags;
 336         __le32 station_flags_msk;
 337         u8 add_immediate_ba_tid;
 338         u8 remove_immediate_ba_tid;
 339         __le16 add_immediate_ba_ssn;
 340         __le16 sleep_tx_count;
 341         __le16 sleep_state_flags;
 342         __le16 assoc_id;
 343         __le16 beamform_flags;
 344         __le32 tfd_queue_msk;
 345 } __packed; /* ADD_STA_CMD_API_S_VER_6 */
 346
 347 /**
 348  * struct iwl_mvm_add_sta_key_cmd - add/modify sta key
 349  * ( REPLY_ADD_STA_KEY = 0x17 )
 350  * @sta_id: index of station in uCode's station table
 351  * @key_offset: key offset in key storage
 352  * @key_flags: type %iwl_sta_key_flag
 353  * @key: key material data
 354  * @key2: key material data
 355  * @rx_secur_seq_cnt: RX security sequence counter for the key
 356  * @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection
 357  * @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx
 358  */
 359 struct iwl_mvm_add_sta_key_cmd {
 360         u8 sta_id;
 361         u8 key_offset;
 362         __le16 key_flags;
 363         u8 key[16];
 364         u8 key2[16];
 365         u8 rx_secur_seq_cnt[16];
 366         u8 tkip_rx_tsc_byte2;
 367         u8 reserved;
 368         __le16 tkip_rx_ttak[5];
 369 } __packed; /* ADD_MODIFY_STA_KEY_API_S_VER_1 */
 370
 371 /**
 372  * enum iwl_mvm_add_sta_rsp_status - status in the response to ADD_STA command
 373  * @ADD_STA_SUCCESS: operation was executed successfully
 374  * @ADD_STA_STATIONS_OVERLOAD: no room left in the fw's station table
 375  * @ADD_STA_IMMEDIATE_BA_FAILURE: can't add Rx block ack session
 376  * @ADD_STA_MODIFY_NON_EXISTING_STA: driver requested to modify a station that
 377  *      doesn't exist.
 378  */
 379 enum iwl_mvm_add_sta_rsp_status {
 380         ADD_STA_SUCCESS                 = 0x1,
 381         ADD_STA_STATIONS_OVERLOAD       = 0x2,
 382         ADD_STA_IMMEDIATE_BA_FAILURE    = 0x4,
 383         ADD_STA_MODIFY_NON_EXISTING_STA = 0x8,
 384 };
 385
 386 /**
 387  * struct iwl_mvm_rm_sta_cmd - Add / modify a station in the fw's station table
 388  * ( REMOVE_STA = 0x19 )
 389  * @sta_id: the station id of the station to be removed
 390  */
 391 struct iwl_mvm_rm_sta_cmd {
 392         u8 sta_id;
 393         u8 reserved[3];
 394 } __packed; /* REMOVE_STA_CMD_API_S_VER_2 */
 395
 396 /**
 397  * struct iwl_mvm_mgmt_mcast_key_cmd
 398  * ( MGMT_MCAST_KEY = 0x1f )
 399  * @ctrl_flags: %iwl_sta_key_flag
 400  * @IGTK:
 401  * @K1: IGTK master key
 402  * @K2: IGTK sub key
 403  * @sta_id: station ID that support IGTK
 404  * @key_id:
 405  * @receive_seq_cnt: initial RSC/PN needed for replay check
 406  */
 407 struct iwl_mvm_mgmt_mcast_key_cmd {
 408         __le32 ctrl_flags;
 409         u8 IGTK[16];
 410         u8 K1[16];
 411         u8 K2[16];
 412         __le32 key_id;
 413         __le32 sta_id;
 414         __le64 receive_seq_cnt;
 415 } __packed; /* SEC_MGMT_MULTICAST_KEY_CMD_API_S_VER_1 */
 416
 417 struct iwl_mvm_wep_key {
 418         u8 key_index;
 419         u8 key_offset;
 420         __le16 reserved1;
 421         u8 key_size;
 422         u8 reserved2[3];
 423         u8 key[16];
 424 } __packed;
 425
 426 struct iwl_mvm_wep_key_cmd {
 427         __le32 mac_id_n_color;
 428         u8 num_keys;
 429         u8 decryption_type;
 430         u8 flags;
 431         u8 reserved;
 432         struct iwl_mvm_wep_key wep_key[0];
 433 } __packed; /* SEC_CURR_WEP_KEY_CMD_API_S_VER_2 */
 434
 435
 436 #endif /* __fw_api_sta_h__ */