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

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  62
  63 #ifndef __fw_api_mac_h__
  64 #define __fw_api_mac_h__
  65
  66 /*
  67  * The first MAC indices (starting from 0)
  68  * are available to the driver, AUX follows
  69  */
  70 #define MAC_INDEX_AUX           4
  71 #define MAC_INDEX_MIN_DRIVER    0
  72 #define NUM_MAC_INDEX_DRIVER    MAC_INDEX_AUX
  73
  74 enum iwl_ac {
  75         AC_BK,
  76         AC_BE,
  77         AC_VI,
  78         AC_VO,
  79         AC_NUM,
  80 };
  81
  82 /**
  83  * enum iwl_mac_protection_flags - MAC context flags
  84  * @MAC_PROT_FLG_TGG_PROTECT: 11g protection when transmitting OFDM frames,
  85  *      this will require CCK RTS/CTS2self.
  86  *      RTS/CTS will protect full burst time.
  87  * @MAC_PROT_FLG_HT_PROT: enable HT protection
  88  * @MAC_PROT_FLG_FAT_PROT: protect 40 MHz transmissions
  89  * @MAC_PROT_FLG_SELF_CTS_EN: allow CTS2self
  90  */
  91 enum iwl_mac_protection_flags {
  92         MAC_PROT_FLG_TGG_PROTECT        = BIT(3),
  93         MAC_PROT_FLG_HT_PROT            = BIT(23),
  94         MAC_PROT_FLG_FAT_PROT           = BIT(24),
  95         MAC_PROT_FLG_SELF_CTS_EN        = BIT(30),
  96 };
  97
  98 #define MAC_FLG_SHORT_SLOT              BIT(4)
  99 #define MAC_FLG_SHORT_PREAMBLE          BIT(5)
 100
 101 /**
 102  * enum iwl_mac_types - Supported MAC types
 103  * @FW_MAC_TYPE_FIRST: lowest supported MAC type
 104  * @FW_MAC_TYPE_AUX: Auxiliary MAC (internal)
 105  * @FW_MAC_TYPE_LISTENER: monitor MAC type (?)
 106  * @FW_MAC_TYPE_PIBSS: Pseudo-IBSS
 107  * @FW_MAC_TYPE_IBSS: IBSS
 108  * @FW_MAC_TYPE_BSS_STA: BSS (managed) station
 109  * @FW_MAC_TYPE_P2P_DEVICE: P2P Device
 110  * @FW_MAC_TYPE_P2P_STA: P2P client
 111  * @FW_MAC_TYPE_GO: P2P GO
 112  * @FW_MAC_TYPE_TEST: ?
 113  * @FW_MAC_TYPE_MAX: highest support MAC type
 114  */
 115 enum iwl_mac_types {
 116         FW_MAC_TYPE_FIRST = 1,
 117         FW_MAC_TYPE_AUX = FW_MAC_TYPE_FIRST,
 118         FW_MAC_TYPE_LISTENER,
 119         FW_MAC_TYPE_PIBSS,
 120         FW_MAC_TYPE_IBSS,
 121         FW_MAC_TYPE_BSS_STA,
 122         FW_MAC_TYPE_P2P_DEVICE,
 123         FW_MAC_TYPE_P2P_STA,
 124         FW_MAC_TYPE_GO,
 125         FW_MAC_TYPE_TEST,
 126         FW_MAC_TYPE_MAX = FW_MAC_TYPE_TEST
 127 }; /* MAC_CONTEXT_TYPE_API_E_VER_1 */
 128
 129 /**
 130  * enum iwl_tsf_id - TSF hw timer ID
 131  * @TSF_ID_A: use TSF A
 132  * @TSF_ID_B: use TSF B
 133  * @TSF_ID_C: use TSF C
 134  * @TSF_ID_D: use TSF D
 135  * @NUM_TSF_IDS: number of TSF timers available
 136  */
 137 enum iwl_tsf_id {
 138         TSF_ID_A = 0,
 139         TSF_ID_B = 1,
 140         TSF_ID_C = 2,
 141         TSF_ID_D = 3,
 142         NUM_TSF_IDS = 4,
 143 }; /* TSF_ID_API_E_VER_1 */
 144
 145 /**
 146  * struct iwl_mac_data_ap - configuration data for AP MAC context
 147  * @beacon_time: beacon transmit time in system time
 148  * @beacon_tsf: beacon transmit time in TSF
 149  * @bi: beacon interval in TU
 150  * @bi_reciprocal: 2^32 / bi
 151  * @dtim_interval: dtim transmit time in TU
 152  * @dtim_reciprocal: 2^32 / dtim_interval
 153  * @mcast_qid: queue ID for multicast traffic
 154  * @beacon_template: beacon template ID
 155  */
 156 struct iwl_mac_data_ap {
 157         __le32 beacon_time;
 158         __le64 beacon_tsf;
 159         __le32 bi;
 160         __le32 bi_reciprocal;
 161         __le32 dtim_interval;
 162         __le32 dtim_reciprocal;
 163         __le32 mcast_qid;
 164         __le32 beacon_template;
 165 } __packed; /* AP_MAC_DATA_API_S_VER_1 */
 166
 167 /**
 168  * struct iwl_mac_data_ibss - configuration data for IBSS MAC context
 169  * @beacon_time: beacon transmit time in system time
 170  * @beacon_tsf: beacon transmit time in TSF
 171  * @bi: beacon interval in TU
 172  * @bi_reciprocal: 2^32 / bi
 173  * @beacon_template: beacon template ID
 174  */
 175 struct iwl_mac_data_ibss {
 176         __le32 beacon_time;
 177         __le64 beacon_tsf;
 178         __le32 bi;
 179         __le32 bi_reciprocal;
 180         __le32 beacon_template;
 181 } __packed; /* IBSS_MAC_DATA_API_S_VER_1 */
 182
 183 /**
 184  * struct iwl_mac_data_sta - configuration data for station MAC context
 185  * @is_assoc: 1 for associated state, 0 otherwise
 186  * @dtim_time: DTIM arrival time in system time
 187  * @dtim_tsf: DTIM arrival time in TSF
 188  * @bi: beacon interval in TU, applicable only when associated
 189  * @bi_reciprocal: 2^32 / bi , applicable only when associated
 190  * @dtim_interval: DTIM interval in TU, applicable only when associated
 191  * @dtim_reciprocal: 2^32 / dtim_interval , applicable only when associated
 192  * @listen_interval: in beacon intervals, applicable only when associated
 193  * @assoc_id: unique ID assigned by the AP during association
 194  */
 195 struct iwl_mac_data_sta {
 196         __le32 is_assoc;
 197         __le32 dtim_time;
 198         __le64 dtim_tsf;
 199         __le32 bi;
 200         __le32 bi_reciprocal;
 201         __le32 dtim_interval;
 202         __le32 dtim_reciprocal;
 203         __le32 listen_interval;
 204         __le32 assoc_id;
 205         __le32 assoc_beacon_arrive_time;
 206 } __packed; /* STA_MAC_DATA_API_S_VER_1 */
 207
 208 /**
 209  * struct iwl_mac_data_go - configuration data for P2P GO MAC context
 210  * @ap: iwl_mac_data_ap struct with most config data
 211  * @ctwin: client traffic window in TU (period after TBTT when GO is present).
 212  *      0 indicates that there is no CT window.
 213  * @opp_ps_enabled: indicate that opportunistic PS allowed
 214  */
 215 struct iwl_mac_data_go {
 216         struct iwl_mac_data_ap ap;
 217         __le32 ctwin;
 218         __le32 opp_ps_enabled;
 219 } __packed; /* GO_MAC_DATA_API_S_VER_1 */
 220
 221 /**
 222  * struct iwl_mac_data_p2p_sta - configuration data for P2P client MAC context
 223  * @sta: iwl_mac_data_sta struct with most config data
 224  * @ctwin: client traffic window in TU (period after TBTT when GO is present).
 225  *      0 indicates that there is no CT window.
 226  */
 227 struct iwl_mac_data_p2p_sta {
 228         struct iwl_mac_data_sta sta;
 229         __le32 ctwin;
 230 } __packed; /* P2P_STA_MAC_DATA_API_S_VER_1 */
 231
 232 /**
 233  * struct iwl_mac_data_pibss - Pseudo IBSS config data
 234  * @stats_interval: interval in TU between statistics notifications to host.
 235  */
 236 struct iwl_mac_data_pibss {
 237         __le32 stats_interval;
 238 } __packed; /* PIBSS_MAC_DATA_API_S_VER_1 */
 239
 240 /*
 241  * struct iwl_mac_data_p2p_dev - configuration data for the P2P Device MAC
 242  * context.
 243  * @is_disc_extended: if set to true, P2P Device discoverability is enabled on
 244  *      other channels as well. This should be to true only in case that the
 245  *      device is discoverable and there is an active GO. Note that setting this
 246  *      field when not needed, will increase the number of interrupts and have
 247  *      effect on the platform power, as this setting opens the Rx filters on
 248  *      all macs.
 249  */
 250 struct iwl_mac_data_p2p_dev {
 251         __le32 is_disc_extended;
 252 } __packed; /* _P2P_DEV_MAC_DATA_API_S_VER_1 */
 253
 254 /**
 255  * enum iwl_mac_filter_flags - MAC context filter flags
 256  * @MAC_FILTER_IN_PROMISC: accept all data frames
 257  * @MAC_FILTER_IN_CONTROL_AND_MGMT: pass all mangement and
 258  *      control frames to the host
 259  * @MAC_FILTER_ACCEPT_GRP: accept multicast frames
 260  * @MAC_FILTER_DIS_DECRYPT: don't decrypt unicast frames
 261  * @MAC_FILTER_DIS_GRP_DECRYPT: don't decrypt multicast frames
 262  * @MAC_FILTER_IN_BEACON: transfer foreign BSS's beacons to host
 263  *      (in station mode when associated)
 264  * @MAC_FILTER_OUT_BCAST: filter out all broadcast frames
 265  * @MAC_FILTER_IN_CRC32: extract FCS and append it to frames
 266  * @MAC_FILTER_IN_PROBE_REQUEST: pass probe requests to host
 267  */
 268 enum iwl_mac_filter_flags {
 269         MAC_FILTER_IN_PROMISC           = BIT(0),
 270         MAC_FILTER_IN_CONTROL_AND_MGMT  = BIT(1),
 271         MAC_FILTER_ACCEPT_GRP           = BIT(2),
 272         MAC_FILTER_DIS_DECRYPT          = BIT(3),
 273         MAC_FILTER_DIS_GRP_DECRYPT      = BIT(4),
 274         MAC_FILTER_IN_BEACON            = BIT(6),
 275         MAC_FILTER_OUT_BCAST            = BIT(8),
 276         MAC_FILTER_IN_CRC32             = BIT(11),
 277         MAC_FILTER_IN_PROBE_REQUEST     = BIT(12),
 278 };
 279
 280 /**
 281  * enum iwl_mac_qos_flags - QoS flags
 282  * @MAC_QOS_FLG_UPDATE_EDCA: ?
 283  * @MAC_QOS_FLG_TGN: HT is enabled
 284  * @MAC_QOS_FLG_TXOP_TYPE: ?
 285  *
 286  */
 287 enum iwl_mac_qos_flags {
 288         MAC_QOS_FLG_UPDATE_EDCA = BIT(0),
 289         MAC_QOS_FLG_TGN         = BIT(1),
 290         MAC_QOS_FLG_TXOP_TYPE   = BIT(4),
 291 };
 292
 293 /**
 294  * struct iwl_ac_qos - QOS timing params for MAC_CONTEXT_CMD
 295  * @cw_min: Contention window, start value in numbers of slots.
 296  *      Should be a power-of-2, minus 1.  Device's default is 0x0f.
 297  * @cw_max: Contention window, max value in numbers of slots.
 298  *      Should be a power-of-2, minus 1.  Device's default is 0x3f.
 299  * @aifsn:  Number of slots in Arbitration Interframe Space (before
 300  *      performing random backoff timing prior to Tx).  Device default 1.
 301  * @fifos_mask: FIFOs used by this MAC for this AC
 302  * @edca_txop:  Length of Tx opportunity, in uSecs.  Device default is 0.
 303  *
 304  * One instance of this config struct for each of 4 EDCA access categories
 305  * in struct iwl_qosparam_cmd.
 306  *
 307  * Device will automatically increase contention window by (2*CW) + 1 for each
 308  * transmission retry.  Device uses cw_max as a bit mask, ANDed with new CW
 309  * value, to cap the CW value.
 310  */
 311 struct iwl_ac_qos {
 312         __le16 cw_min;
 313         __le16 cw_max;
 314         u8 aifsn;
 315         u8 fifos_mask;
 316         __le16 edca_txop;
 317 } __packed; /* AC_QOS_API_S_VER_2 */
 318
 319 /**
 320  * struct iwl_mac_ctx_cmd - command structure to configure MAC contexts
 321  * ( MAC_CONTEXT_CMD = 0x28 )
 322  * @id_and_color: ID and color of the MAC
 323  * @action: action to perform, one of FW_CTXT_ACTION_*
 324  * @mac_type: one of FW_MAC_TYPE_*
 325  * @tsd_id: TSF HW timer, one of TSF_ID_*
 326  * @node_addr: MAC address
 327  * @bssid_addr: BSSID
 328  * @cck_rates: basic rates available for CCK
 329  * @ofdm_rates: basic rates available for OFDM
 330  * @protection_flags: combination of MAC_PROT_FLG_FLAG_*
 331  * @cck_short_preamble: 0x20 for enabling short preamble, 0 otherwise
 332  * @short_slot: 0x10 for enabling short slots, 0 otherwise
 333  * @filter_flags: combination of MAC_FILTER_*
 334  * @qos_flags: from MAC_QOS_FLG_*
 335  * @ac: one iwl_mac_qos configuration for each AC
 336  * @mac_specific: one of struct iwl_mac_data_*, according to mac_type
 337  */
 338 struct iwl_mac_ctx_cmd {
 339         /* COMMON_INDEX_HDR_API_S_VER_1 */
 340         __le32 id_and_color;
 341         __le32 action;
 342         /* MAC_CONTEXT_COMMON_DATA_API_S_VER_1 */
 343         __le32 mac_type;
 344         __le32 tsf_id;
 345         u8 node_addr[6];
 346         __le16 reserved_for_node_addr;
 347         u8 bssid_addr[6];
 348         __le16 reserved_for_bssid_addr;
 349         __le32 cck_rates;
 350         __le32 ofdm_rates;
 351         __le32 protection_flags;
 352         __le32 cck_short_preamble;
 353         __le32 short_slot;
 354         __le32 filter_flags;
 355         /* MAC_QOS_PARAM_API_S_VER_1 */
 356         __le32 qos_flags;
 357         struct iwl_ac_qos ac[AC_NUM+1];
 358         /* MAC_CONTEXT_COMMON_DATA_API_S */
 359         union {
 360                 struct iwl_mac_data_ap ap;
 361                 struct iwl_mac_data_go go;
 362                 struct iwl_mac_data_sta sta;
 363                 struct iwl_mac_data_p2p_sta p2p_sta;
 364                 struct iwl_mac_data_p2p_dev p2p_dev;
 365                 struct iwl_mac_data_pibss pibss;
 366                 struct iwl_mac_data_ibss ibss;
 367         };
 368 } __packed; /* MAC_CONTEXT_CMD_API_S_VER_1 */
 369
 370 static inline u32 iwl_mvm_reciprocal(u32 v)
 371 {
 372         if (!v)
 373                 return 0;
 374         return 0xFFFFFFFF / v;
 375 }
 376
 377 #define IWL_NONQOS_SEQ_GET      0x1
 378 #define IWL_NONQOS_SEQ_SET      0x2
 379 struct iwl_nonqos_seq_query_cmd {
 380         __le32 get_set_flag;
 381         __le32 mac_id_n_color;
 382         __le16 value;
 383         __le16 reserved;
 384 } __packed; /* NON_QOS_TX_COUNTER_GET_SET_API_S_VER_1 */
 385
 386 #endif /* __fw_api_mac_h__ */