1/****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of version 2 of the GNU General Public License as 12 * published by the Free Software Foundation. 13 * 14 * This program is distributed in the hope that it will be useful, but 15 * WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 22 * USA 23 * 24 * The full GNU General Public License is included in this distribution 25 * in the file called COPYING. 26 * 27 * Contact Information: 28 * Intel Linux Wireless <linuxwifi@intel.com> 29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 30 * 31 * BSD LICENSE 32 * 33 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 34 * All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 40 * * Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * * Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in 44 * the documentation and/or other materials provided with the 45 * distribution. 46 * * Neither the name Intel Corporation nor the names of its 47 * contributors may be used to endorse or promote products derived 48 * from this software without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 61 *****************************************************************************/ 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#define NUM_MAC_INDEX (MAC_INDEX_AUX + 1) 74 75#define IWL_MVM_STATION_COUNT 16 76#define IWL_MVM_TDLS_STA_COUNT 4 77 78enum iwl_ac { 79 AC_BK, 80 AC_BE, 81 AC_VI, 82 AC_VO, 83 AC_NUM, 84}; 85 86/** 87 * enum iwl_mac_protection_flags - MAC context flags 88 * @MAC_PROT_FLG_TGG_PROTECT: 11g protection when transmitting OFDM frames, 89 * this will require CCK RTS/CTS2self. 90 * RTS/CTS will protect full burst time. 91 * @MAC_PROT_FLG_HT_PROT: enable HT protection 92 * @MAC_PROT_FLG_FAT_PROT: protect 40 MHz transmissions 93 * @MAC_PROT_FLG_SELF_CTS_EN: allow CTS2self 94 */ 95enum iwl_mac_protection_flags { 96 MAC_PROT_FLG_TGG_PROTECT = BIT(3), 97 MAC_PROT_FLG_HT_PROT = BIT(23), 98 MAC_PROT_FLG_FAT_PROT = BIT(24), 99 MAC_PROT_FLG_SELF_CTS_EN = BIT(30), 100}; 101 102#define MAC_FLG_SHORT_SLOT BIT(4) 103#define MAC_FLG_SHORT_PREAMBLE BIT(5) 104 105/** 106 * enum iwl_mac_types - Supported MAC types 107 * @FW_MAC_TYPE_FIRST: lowest supported MAC type 108 * @FW_MAC_TYPE_AUX: Auxiliary MAC (internal) 109 * @FW_MAC_TYPE_LISTENER: monitor MAC type (?) 110 * @FW_MAC_TYPE_PIBSS: Pseudo-IBSS 111 * @FW_MAC_TYPE_IBSS: IBSS 112 * @FW_MAC_TYPE_BSS_STA: BSS (managed) station 113 * @FW_MAC_TYPE_P2P_DEVICE: P2P Device 114 * @FW_MAC_TYPE_P2P_STA: P2P client 115 * @FW_MAC_TYPE_GO: P2P GO 116 * @FW_MAC_TYPE_TEST: ? 117 * @FW_MAC_TYPE_MAX: highest support MAC type 118 */ 119enum iwl_mac_types { 120 FW_MAC_TYPE_FIRST = 1, 121 FW_MAC_TYPE_AUX = FW_MAC_TYPE_FIRST, 122 FW_MAC_TYPE_LISTENER, 123 FW_MAC_TYPE_PIBSS, 124 FW_MAC_TYPE_IBSS, 125 FW_MAC_TYPE_BSS_STA, 126 FW_MAC_TYPE_P2P_DEVICE, 127 FW_MAC_TYPE_P2P_STA, 128 FW_MAC_TYPE_GO, 129 FW_MAC_TYPE_TEST, 130 FW_MAC_TYPE_MAX = FW_MAC_TYPE_TEST 131}; /* MAC_CONTEXT_TYPE_API_E_VER_1 */ 132 133/** 134 * enum iwl_tsf_id - TSF hw timer ID 135 * @TSF_ID_A: use TSF A 136 * @TSF_ID_B: use TSF B 137 * @TSF_ID_C: use TSF C 138 * @TSF_ID_D: use TSF D 139 * @NUM_TSF_IDS: number of TSF timers available 140 */ 141enum iwl_tsf_id { 142 TSF_ID_A = 0, 143 TSF_ID_B = 1, 144 TSF_ID_C = 2, 145 TSF_ID_D = 3, 146 NUM_TSF_IDS = 4, 147}; /* TSF_ID_API_E_VER_1 */ 148 149/** 150 * struct iwl_mac_data_ap - configuration data for AP MAC context 151 * @beacon_time: beacon transmit time in system time 152 * @beacon_tsf: beacon transmit time in TSF 153 * @bi: beacon interval in TU 154 * @bi_reciprocal: 2^32 / bi 155 * @dtim_interval: dtim transmit time in TU 156 * @dtim_reciprocal: 2^32 / dtim_interval 157 * @mcast_qid: queue ID for multicast traffic 158 * @beacon_template: beacon template ID 159 */ 160struct iwl_mac_data_ap { 161 __le32 beacon_time; 162 __le64 beacon_tsf; 163 __le32 bi; 164 __le32 bi_reciprocal; 165 __le32 dtim_interval; 166 __le32 dtim_reciprocal; 167 __le32 mcast_qid; 168 __le32 beacon_template; 169} __packed; /* AP_MAC_DATA_API_S_VER_1 */ 170 171/** 172 * struct iwl_mac_data_ibss - configuration data for IBSS MAC context 173 * @beacon_time: beacon transmit time in system time 174 * @beacon_tsf: beacon transmit time in TSF 175 * @bi: beacon interval in TU 176 * @bi_reciprocal: 2^32 / bi 177 * @beacon_template: beacon template ID 178 */ 179struct iwl_mac_data_ibss { 180 __le32 beacon_time; 181 __le64 beacon_tsf; 182 __le32 bi; 183 __le32 bi_reciprocal; 184 __le32 beacon_template; 185} __packed; /* IBSS_MAC_DATA_API_S_VER_1 */ 186 187/** 188 * struct iwl_mac_data_sta - configuration data for station MAC context 189 * @is_assoc: 1 for associated state, 0 otherwise 190 * @dtim_time: DTIM arrival time in system time 191 * @dtim_tsf: DTIM arrival time in TSF 192 * @bi: beacon interval in TU, applicable only when associated 193 * @bi_reciprocal: 2^32 / bi , applicable only when associated 194 * @dtim_interval: DTIM interval in TU, applicable only when associated 195 * @dtim_reciprocal: 2^32 / dtim_interval , applicable only when associated 196 * @listen_interval: in beacon intervals, applicable only when associated 197 * @assoc_id: unique ID assigned by the AP during association 198 */ 199struct iwl_mac_data_sta { 200 __le32 is_assoc; 201 __le32 dtim_time; 202 __le64 dtim_tsf; 203 __le32 bi; 204 __le32 bi_reciprocal; 205 __le32 dtim_interval; 206 __le32 dtim_reciprocal; 207 __le32 listen_interval; 208 __le32 assoc_id; 209 __le32 assoc_beacon_arrive_time; 210} __packed; /* STA_MAC_DATA_API_S_VER_1 */ 211 212/** 213 * struct iwl_mac_data_go - configuration data for P2P GO MAC context 214 * @ap: iwl_mac_data_ap struct with most config data 215 * @ctwin: client traffic window in TU (period after TBTT when GO is present). 216 * 0 indicates that there is no CT window. 217 * @opp_ps_enabled: indicate that opportunistic PS allowed 218 */ 219struct iwl_mac_data_go { 220 struct iwl_mac_data_ap ap; 221 __le32 ctwin; 222 __le32 opp_ps_enabled; 223} __packed; /* GO_MAC_DATA_API_S_VER_1 */ 224 225/** 226 * struct iwl_mac_data_p2p_sta - configuration data for P2P client MAC context 227 * @sta: iwl_mac_data_sta struct with most config data 228 * @ctwin: client traffic window in TU (period after TBTT when GO is present). 229 * 0 indicates that there is no CT window. 230 */ 231struct iwl_mac_data_p2p_sta { 232 struct iwl_mac_data_sta sta; 233 __le32 ctwin; 234} __packed; /* P2P_STA_MAC_DATA_API_S_VER_1 */ 235 236/** 237 * struct iwl_mac_data_pibss - Pseudo IBSS config data 238 * @stats_interval: interval in TU between statistics notifications to host. 239 */ 240struct iwl_mac_data_pibss { 241 __le32 stats_interval; 242} __packed; /* PIBSS_MAC_DATA_API_S_VER_1 */ 243 244/* 245 * struct iwl_mac_data_p2p_dev - configuration data for the P2P Device MAC 246 * context. 247 * @is_disc_extended: if set to true, P2P Device discoverability is enabled on 248 * other channels as well. This should be to true only in case that the 249 * device is discoverable and there is an active GO. Note that setting this 250 * field when not needed, will increase the number of interrupts and have 251 * effect on the platform power, as this setting opens the Rx filters on 252 * all macs. 253 */ 254struct iwl_mac_data_p2p_dev { 255 __le32 is_disc_extended; 256} __packed; /* _P2P_DEV_MAC_DATA_API_S_VER_1 */ 257 258/** 259 * enum iwl_mac_filter_flags - MAC context filter flags 260 * @MAC_FILTER_IN_PROMISC: accept all data frames 261 * @MAC_FILTER_IN_CONTROL_AND_MGMT: pass all management and 262 * control frames to the host 263 * @MAC_FILTER_ACCEPT_GRP: accept multicast frames 264 * @MAC_FILTER_DIS_DECRYPT: don't decrypt unicast frames 265 * @MAC_FILTER_DIS_GRP_DECRYPT: don't decrypt multicast frames 266 * @MAC_FILTER_IN_BEACON: transfer foreign BSS's beacons to host 267 * (in station mode when associated) 268 * @MAC_FILTER_OUT_BCAST: filter out all broadcast frames 269 * @MAC_FILTER_IN_CRC32: extract FCS and append it to frames 270 * @MAC_FILTER_IN_PROBE_REQUEST: pass probe requests to host 271 */ 272enum iwl_mac_filter_flags { 273 MAC_FILTER_IN_PROMISC = BIT(0), 274 MAC_FILTER_IN_CONTROL_AND_MGMT = BIT(1), 275 MAC_FILTER_ACCEPT_GRP = BIT(2), 276 MAC_FILTER_DIS_DECRYPT = BIT(3), 277 MAC_FILTER_DIS_GRP_DECRYPT = BIT(4), 278 MAC_FILTER_IN_BEACON = BIT(6), 279 MAC_FILTER_OUT_BCAST = BIT(8), 280 MAC_FILTER_IN_CRC32 = BIT(11), 281 MAC_FILTER_IN_PROBE_REQUEST = BIT(12), 282}; 283 284/** 285 * enum iwl_mac_qos_flags - QoS flags 286 * @MAC_QOS_FLG_UPDATE_EDCA: ? 287 * @MAC_QOS_FLG_TGN: HT is enabled 288 * @MAC_QOS_FLG_TXOP_TYPE: ? 289 * 290 */ 291enum iwl_mac_qos_flags { 292 MAC_QOS_FLG_UPDATE_EDCA = BIT(0), 293 MAC_QOS_FLG_TGN = BIT(1), 294 MAC_QOS_FLG_TXOP_TYPE = BIT(4), 295}; 296 297/** 298 * struct iwl_ac_qos - QOS timing params for MAC_CONTEXT_CMD 299 * @cw_min: Contention window, start value in numbers of slots. 300 * Should be a power-of-2, minus 1. Device's default is 0x0f. 301 * @cw_max: Contention window, max value in numbers of slots. 302 * Should be a power-of-2, minus 1. Device's default is 0x3f. 303 * @aifsn: Number of slots in Arbitration Interframe Space (before 304 * performing random backoff timing prior to Tx). Device default 1. 305 * @fifos_mask: FIFOs used by this MAC for this AC 306 * @edca_txop: Length of Tx opportunity, in uSecs. Device default is 0. 307 * 308 * One instance of this config struct for each of 4 EDCA access categories 309 * in struct iwl_qosparam_cmd. 310 * 311 * Device will automatically increase contention window by (2*CW) + 1 for each 312 * transmission retry. Device uses cw_max as a bit mask, ANDed with new CW 313 * value, to cap the CW value. 314 */ 315struct iwl_ac_qos { 316 __le16 cw_min; 317 __le16 cw_max; 318 u8 aifsn; 319 u8 fifos_mask; 320 __le16 edca_txop; 321} __packed; /* AC_QOS_API_S_VER_2 */ 322 323/** 324 * struct iwl_mac_ctx_cmd - command structure to configure MAC contexts 325 * ( MAC_CONTEXT_CMD = 0x28 ) 326 * @id_and_color: ID and color of the MAC 327 * @action: action to perform, one of FW_CTXT_ACTION_* 328 * @mac_type: one of FW_MAC_TYPE_* 329 * @tsd_id: TSF HW timer, one of TSF_ID_* 330 * @node_addr: MAC address 331 * @bssid_addr: BSSID 332 * @cck_rates: basic rates available for CCK 333 * @ofdm_rates: basic rates available for OFDM 334 * @protection_flags: combination of MAC_PROT_FLG_FLAG_* 335 * @cck_short_preamble: 0x20 for enabling short preamble, 0 otherwise 336 * @short_slot: 0x10 for enabling short slots, 0 otherwise 337 * @filter_flags: combination of MAC_FILTER_* 338 * @qos_flags: from MAC_QOS_FLG_* 339 * @ac: one iwl_mac_qos configuration for each AC 340 * @mac_specific: one of struct iwl_mac_data_*, according to mac_type 341 */ 342struct iwl_mac_ctx_cmd { 343 /* COMMON_INDEX_HDR_API_S_VER_1 */ 344 __le32 id_and_color; 345 __le32 action; 346 /* MAC_CONTEXT_COMMON_DATA_API_S_VER_1 */ 347 __le32 mac_type; 348 __le32 tsf_id; 349 u8 node_addr[6]; 350 __le16 reserved_for_node_addr; 351 u8 bssid_addr[6]; 352 __le16 reserved_for_bssid_addr; 353 __le32 cck_rates; 354 __le32 ofdm_rates; 355 __le32 protection_flags; 356 __le32 cck_short_preamble; 357 __le32 short_slot; 358 __le32 filter_flags; 359 /* MAC_QOS_PARAM_API_S_VER_1 */ 360 __le32 qos_flags; 361 struct iwl_ac_qos ac[AC_NUM+1]; 362 /* MAC_CONTEXT_COMMON_DATA_API_S */ 363 union { 364 struct iwl_mac_data_ap ap; 365 struct iwl_mac_data_go go; 366 struct iwl_mac_data_sta sta; 367 struct iwl_mac_data_p2p_sta p2p_sta; 368 struct iwl_mac_data_p2p_dev p2p_dev; 369 struct iwl_mac_data_pibss pibss; 370 struct iwl_mac_data_ibss ibss; 371 }; 372} __packed; /* MAC_CONTEXT_CMD_API_S_VER_1 */ 373 374static inline u32 iwl_mvm_reciprocal(u32 v) 375{ 376 if (!v) 377 return 0; 378 return 0xFFFFFFFF / v; 379} 380 381#define IWL_NONQOS_SEQ_GET 0x1 382#define IWL_NONQOS_SEQ_SET 0x2 383struct iwl_nonqos_seq_query_cmd { 384 __le32 get_set_flag; 385 __le32 mac_id_n_color; 386 __le16 value; 387 __le16 reserved; 388} __packed; /* NON_QOS_TX_COUNTER_GET_SET_API_S_VER_1 */ 389 390#endif /* __fw_api_mac_h__ */ 391