1 /* $OpenBSD: if_iwmvar.h,v 1.7 2015/03/02 13:51:10 jsg Exp $ */ 2 /* $FreeBSD$ */ 3 4 /* 5 * Copyright (c) 2014 genua mbh <info@genua.de> 6 * Copyright (c) 2014 Fixup Software Ltd. 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 /*- 22 * Based on BSD-licensed source modules in the Linux iwlwifi driver, 23 * which were used as the reference documentation for this implementation. 24 * 25 * Driver version we are currently based off of is 26 * Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd) 27 * 28 *********************************************************************** 29 * 30 * This file is provided under a dual BSD/GPLv2 license. When using or 31 * redistributing this file, you may do so under either license. 32 * 33 * GPL LICENSE SUMMARY 34 * 35 * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. 36 * 37 * This program is free software; you can redistribute it and/or modify 38 * it under the terms of version 2 of the GNU General Public License as 39 * published by the Free Software Foundation. 40 * 41 * This program is distributed in the hope that it will be useful, but 42 * WITHOUT ANY WARRANTY; without even the implied warranty of 43 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 44 * General Public License for more details. 45 * 46 * You should have received a copy of the GNU General Public License 47 * along with this program; if not, write to the Free Software 48 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 49 * USA 50 * 51 * The full GNU General Public License is included in this distribution 52 * in the file called COPYING. 53 * 54 * Contact Information: 55 * Intel Linux Wireless <ilw@linux.intel.com> 56 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 57 * 58 * 59 * BSD LICENSE 60 * 61 * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. 62 * All rights reserved. 63 * 64 * Redistribution and use in source and binary forms, with or without 65 * modification, are permitted provided that the following conditions 66 * are met: 67 * 68 * * Redistributions of source code must retain the above copyright 69 * notice, this list of conditions and the following disclaimer. 70 * * Redistributions in binary form must reproduce the above copyright 71 * notice, this list of conditions and the following disclaimer in 72 * the documentation and/or other materials provided with the 73 * distribution. 74 * * Neither the name Intel Corporation nor the names of its 75 * contributors may be used to endorse or promote products derived 76 * from this software without specific prior written permission. 77 * 78 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 79 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 80 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 81 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 82 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 83 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 84 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 85 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 86 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 87 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 88 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 89 */ 90 91 /*- 92 * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr> 93 * 94 * Permission to use, copy, modify, and distribute this software for any 95 * purpose with or without fee is hereby granted, provided that the above 96 * copyright notice and this permission notice appear in all copies. 97 * 98 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 99 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 100 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 101 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 102 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 103 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 104 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 105 */ 106 107 struct iwm_rx_radiotap_header { 108 struct ieee80211_radiotap_header wr_ihdr; 109 uint64_t wr_tsft; 110 uint8_t wr_flags; 111 uint8_t wr_rate; 112 uint16_t wr_chan_freq; 113 uint16_t wr_chan_flags; 114 int8_t wr_dbm_antsignal; 115 int8_t wr_dbm_antnoise; 116 } __packed; 117 118 #define IWM_RX_RADIOTAP_PRESENT \ 119 ((1 << IEEE80211_RADIOTAP_TSFT) | \ 120 (1 << IEEE80211_RADIOTAP_FLAGS) | \ 121 (1 << IEEE80211_RADIOTAP_RATE) | \ 122 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 123 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \ 124 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)) 125 126 struct iwm_tx_radiotap_header { 127 struct ieee80211_radiotap_header wt_ihdr; 128 uint8_t wt_flags; 129 uint8_t wt_rate; 130 uint16_t wt_chan_freq; 131 uint16_t wt_chan_flags; 132 } __packed; 133 134 #define IWM_TX_RADIOTAP_PRESENT \ 135 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 136 (1 << IEEE80211_RADIOTAP_RATE) | \ 137 (1 << IEEE80211_RADIOTAP_CHANNEL)) 138 139 140 #define IWM_UCODE_SECT_MAX 16 141 #define IWM_FWDMASEGSZ (192*1024) 142 #define IWM_FWDMASEGSZ_8000 (320*1024) 143 /* sanity check value */ 144 #define IWM_FWMAXSIZE (2*1024*1024) 145 146 /* 147 * fw_status is used to determine if we've already parsed the firmware file 148 * 149 * In addition to the following, status < 0 ==> -error 150 */ 151 #define IWM_FW_STATUS_NONE 0 152 #define IWM_FW_STATUS_INPROGRESS 1 153 #define IWM_FW_STATUS_DONE 2 154 155 enum iwm_ucode_type { 156 IWM_UCODE_TYPE_REGULAR, 157 IWM_UCODE_TYPE_INIT, 158 IWM_UCODE_TYPE_WOW, 159 IWM_UCODE_TYPE_REGULAR_USNIFFER, 160 IWM_UCODE_TYPE_MAX 161 }; 162 163 struct iwm_fw_info { 164 const struct firmware *fw_fp; 165 int fw_status; 166 167 struct iwm_fw_sects { 168 struct iwm_fw_onesect { 169 const void *fws_data; 170 uint32_t fws_len; 171 uint32_t fws_devoff; 172 } fw_sect[IWM_UCODE_SECT_MAX]; 173 int fw_count; 174 } fw_sects[IWM_UCODE_TYPE_MAX]; 175 }; 176 177 struct iwm_nvm_data { 178 int n_hw_addrs; 179 uint8_t hw_addr[IEEE80211_ADDR_LEN]; 180 181 int sku_cap_band_24GHz_enable; 182 int sku_cap_band_52GHz_enable; 183 int sku_cap_11n_enable; 184 int sku_cap_amt_enable; 185 int sku_cap_ipan_enable; 186 187 uint8_t radio_cfg_type; 188 uint8_t radio_cfg_step; 189 uint8_t radio_cfg_dash; 190 uint8_t radio_cfg_pnum; 191 uint8_t valid_tx_ant, valid_rx_ant; 192 #define IWM_NUM_CHANNELS 39 193 #define IWM_NUM_CHANNELS_8000 51 194 195 uint16_t nvm_ch_flags[IWM_NUM_CHANNELS_8000]; 196 197 uint16_t nvm_version; 198 uint8_t max_tx_pwr_half_dbm; 199 }; 200 201 /* max bufs per tfd the driver will use */ 202 #define IWM_MAX_CMD_TBS_PER_TFD 2 203 204 struct iwm_rx_packet; 205 struct iwm_host_cmd { 206 const void *data[IWM_MAX_CMD_TBS_PER_TFD]; 207 struct iwm_rx_packet *resp_pkt; 208 unsigned long _rx_page_addr; 209 uint32_t _rx_page_order; 210 int handler_status; 211 212 uint32_t flags; 213 uint32_t id; 214 uint16_t len[IWM_MAX_CMD_TBS_PER_TFD]; 215 uint8_t dataflags[IWM_MAX_CMD_TBS_PER_TFD]; 216 }; 217 218 /* 219 * DMA glue is from iwn 220 */ 221 222 typedef caddr_t iwm_caddr_t; 223 typedef void *iwm_hookarg_t; 224 225 struct iwm_dma_info { 226 bus_dma_tag_t tag; 227 bus_dmamap_t map; 228 bus_dma_segment_t seg; 229 bus_addr_t paddr; 230 void *vaddr; 231 bus_size_t size; 232 }; 233 234 #define IWM_TX_RING_COUNT 256 235 #define IWM_TX_RING_LOMARK 192 236 #define IWM_TX_RING_HIMARK 224 237 238 struct iwm_tx_data { 239 bus_dmamap_t map; 240 bus_addr_t cmd_paddr; 241 bus_addr_t scratch_paddr; 242 struct mbuf *m; 243 struct iwm_node *in; 244 int done; 245 }; 246 247 struct iwm_tx_ring { 248 struct iwm_dma_info desc_dma; 249 struct iwm_dma_info cmd_dma; 250 struct iwm_tfd *desc; 251 struct iwm_device_cmd *cmd; 252 bus_dma_tag_t data_dmat; 253 struct iwm_tx_data data[IWM_TX_RING_COUNT]; 254 int qid; 255 int queued; 256 int cur; 257 }; 258 259 #define IWM_RX_RING_COUNT 256 260 #define IWM_RBUF_COUNT (IWM_RX_RING_COUNT + 32) 261 /* Linux driver optionally uses 8k buffer */ 262 #define IWM_RBUF_SIZE 4096 263 264 #define IWM_MAX_SCATTER 20 265 266 struct iwm_rx_data { 267 struct mbuf *m; 268 bus_dmamap_t map; 269 }; 270 271 struct iwm_rx_ring { 272 struct iwm_dma_info desc_dma; 273 struct iwm_dma_info stat_dma; 274 struct iwm_dma_info buf_dma; 275 uint32_t *desc; 276 struct iwm_rb_status *stat; 277 struct iwm_rx_data data[IWM_RX_RING_COUNT]; 278 bus_dmamap_t spare_map; /* for iwm_rx_addbuf() */ 279 bus_dma_tag_t data_dmat; 280 int cur; 281 }; 282 283 struct iwm_ucode_status { 284 uint32_t uc_error_event_table; 285 uint32_t uc_umac_error_event_table; 286 uint32_t uc_log_event_table; 287 288 int uc_ok; 289 int uc_intr; 290 }; 291 292 #define IWM_CMD_RESP_MAX PAGE_SIZE 293 294 /* lower blocks contain EEPROM image and calibration data */ 295 #define IWM_OTP_LOW_IMAGE_SIZE_FAMILY_7000 16384 296 #define IWM_OTP_LOW_IMAGE_SIZE_FAMILY_8000 32768 297 298 #define IWM_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS 500 299 #define IWM_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS 400 300 301 /* 302 * Command headers are in iwl-trans.h, which is full of all 303 * kinds of other junk, so we just replicate the structures here. 304 * First the software bits: 305 */ 306 enum IWM_CMD_MODE { 307 IWM_CMD_SYNC = 0, 308 IWM_CMD_ASYNC = (1 << 0), 309 IWM_CMD_WANT_SKB = (1 << 1), 310 IWM_CMD_SEND_IN_RFKILL = (1 << 2), 311 }; 312 enum iwm_hcmd_dataflag { 313 IWM_HCMD_DFL_NOCOPY = (1 << 0), 314 IWM_HCMD_DFL_DUP = (1 << 1), 315 }; 316 317 /* 318 * iwlwifi/iwl-phy-db 319 */ 320 321 #define IWM_NUM_PAPD_CH_GROUPS 9 322 #define IWM_NUM_TXP_CH_GROUPS 9 323 324 struct iwm_phy_db_entry { 325 uint16_t size; 326 uint8_t *data; 327 }; 328 329 struct iwm_phy_db { 330 struct iwm_phy_db_entry cfg; 331 struct iwm_phy_db_entry calib_nch; 332 struct iwm_phy_db_entry calib_ch_group_papd[IWM_NUM_PAPD_CH_GROUPS]; 333 struct iwm_phy_db_entry calib_ch_group_txp[IWM_NUM_TXP_CH_GROUPS]; 334 }; 335 336 struct iwm_int_sta { 337 uint32_t sta_id; 338 uint32_t tfd_queue_msk; 339 }; 340 341 struct iwm_mvm_phy_ctxt { 342 uint16_t id; 343 uint16_t color; 344 uint32_t ref; 345 struct ieee80211_channel *channel; 346 }; 347 348 struct iwm_bf_data { 349 int bf_enabled; /* filtering */ 350 int ba_enabled; /* abort */ 351 int ave_beacon_signal; 352 int last_cqm_event; 353 }; 354 355 struct iwm_vap { 356 struct ieee80211vap iv_vap; 357 int is_uploaded; 358 359 int (*iv_newstate)(struct ieee80211vap *, 360 enum ieee80211_state, int); 361 }; 362 #define IWM_VAP(_vap) ((struct iwm_vap *)(_vap)) 363 364 struct iwm_node { 365 struct ieee80211_node in_ni; 366 struct iwm_mvm_phy_ctxt *in_phyctxt; 367 368 /* status "bits" */ 369 int in_assoc; 370 371 struct iwm_lq_cmd in_lq; 372 373 uint8_t in_ridx[IEEE80211_RATE_MAXSIZE]; 374 }; 375 #define IWM_NODE(_ni) ((struct iwm_node *)(_ni)) 376 377 #define IWM_STATION_ID 0 378 #define IWM_AUX_STA_ID 1 379 380 #define IWM_DEFAULT_MACID 0 381 #define IWM_DEFAULT_COLOR 0 382 #define IWM_DEFAULT_TSFID 0 383 384 #define IWM_ICT_SIZE 4096 385 #define IWM_ICT_COUNT (IWM_ICT_SIZE / sizeof (uint32_t)) 386 #define IWM_ICT_PADDR_SHIFT 12 387 388 struct iwm_softc { 389 device_t sc_dev; 390 uint32_t sc_debug; 391 392 struct mtx sc_mtx; 393 struct mbufq sc_snd; 394 struct ieee80211com sc_ic; 395 struct ieee80211_ratectl_tx_status sc_txs; 396 397 int sc_flags; 398 #define IWM_FLAG_USE_ICT (1 << 0) 399 #define IWM_FLAG_HW_INITED (1 << 1) 400 #define IWM_FLAG_STOPPED (1 << 2) 401 #define IWM_FLAG_RFKILL (1 << 3) 402 #define IWM_FLAG_BUSY (1 << 4) 403 #define IWM_FLAG_SCANNING (1 << 5) 404 405 struct intr_config_hook sc_preinit_hook; 406 struct callout sc_watchdog_to; 407 struct callout sc_led_blink_to; 408 409 struct task init_task; 410 411 struct resource *sc_irq; 412 struct resource *sc_mem; 413 bus_space_tag_t sc_st; 414 bus_space_handle_t sc_sh; 415 bus_size_t sc_sz; 416 bus_dma_tag_t sc_dmat; 417 void *sc_ih; 418 419 /* TX scheduler rings. */ 420 struct iwm_dma_info sched_dma; 421 uint32_t sched_base; 422 423 /* TX/RX rings. */ 424 struct iwm_tx_ring txq[IWM_MVM_MAX_QUEUES]; 425 struct iwm_rx_ring rxq; 426 int qfullmsk; 427 428 int sc_sf_state; 429 430 /* ICT table. */ 431 struct iwm_dma_info ict_dma; 432 int ict_cur; 433 434 int sc_hw_rev; 435 #define IWM_SILICON_A_STEP 0 436 #define IWM_SILICON_B_STEP 1 437 #define IWM_SILICON_C_STEP 2 438 #define IWM_SILICON_D_STEP 3 439 int sc_hw_id; 440 int sc_device_family; 441 #define IWM_DEVICE_FAMILY_7000 1 442 #define IWM_DEVICE_FAMILY_8000 2 443 444 struct iwm_dma_info kw_dma; 445 struct iwm_dma_info fw_dma; 446 447 int sc_fw_chunk_done; 448 int sc_init_complete; 449 450 struct iwm_ucode_status sc_uc; 451 enum iwm_ucode_type sc_uc_current; 452 char sc_fwver[32]; 453 454 int sc_capaflags; 455 int sc_capa_max_probe_len; 456 int sc_capa_n_scan_channels; 457 uint32_t sc_ucode_api; 458 uint8_t sc_enabled_capa[howmany(IWM_NUM_UCODE_TLV_CAPA, NBBY)]; 459 char sc_fw_mcc[3]; 460 461 int sc_intmask; 462 463 /* 464 * So why do we need a separate stopped flag and a generation? 465 * the former protects the device from issuing commands when it's 466 * stopped (duh). The latter protects against race from a very 467 * fast stop/unstop cycle where threads waiting for responses do 468 * not have a chance to run in between. Notably: we want to stop 469 * the device from interrupt context when it craps out, so we 470 * don't have the luxury of waiting for quiescense. 471 */ 472 int sc_generation; 473 474 const char *sc_fwname; 475 bus_size_t sc_fwdmasegsz; 476 struct iwm_fw_info sc_fw; 477 int sc_fw_phy_config; 478 struct iwm_tlv_calib_ctrl sc_default_calib[IWM_UCODE_TYPE_MAX]; 479 480 struct iwm_nvm_data sc_nvm; 481 struct iwm_phy_db sc_phy_db; 482 483 struct iwm_bf_data sc_bf; 484 485 int sc_tx_timer; 486 487 int sc_scan_last_antenna; 488 489 int sc_fixed_ridx; 490 491 int sc_staid; 492 int sc_nodecolor; 493 494 uint8_t sc_cmd_resp[IWM_CMD_RESP_MAX]; 495 int sc_wantresp; 496 497 struct task sc_es_task; 498 499 struct iwm_rx_phy_info sc_last_phy_info; 500 int sc_ampdu_ref; 501 502 struct iwm_int_sta sc_aux_sta; 503 504 /* phy contexts. we only use the first one */ 505 struct iwm_mvm_phy_ctxt sc_phyctxt[IWM_NUM_PHY_CTX]; 506 507 struct iwm_notif_statistics sc_stats; 508 int sc_noise; 509 510 int host_interrupt_operation_mode; 511 512 caddr_t sc_drvbpf; 513 514 struct iwm_rx_radiotap_header sc_rxtap; 515 struct iwm_tx_radiotap_header sc_txtap; 516 517 int sc_max_rssi; 518 }; 519 520 #define IWM_LOCK_INIT(_sc) \ 521 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \ 522 MTX_NETWORK_LOCK, MTX_DEF); 523 #define IWM_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 524 #define IWM_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 525 #define IWM_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx) 526