Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/iwm/if_iwmvar.h
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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 __aligned(8); 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_SECTION_MAX 16 141 142 /** 143 * enum iwm_ucode_type 144 * 145 * The type of ucode. 146 * 147 * @IWM_UCODE_REGULAR: Normal runtime ucode 148 * @IWM_UCODE_INIT: Initial ucode 149 * @IWM_UCODE_WOWLAN: Wake on Wireless enabled ucode 150 * @IWM_UCODE_REGULAR_USNIFFER: Normal runtime ucode when using usniffer image 151 */ 152 enum iwm_ucode_type { 153 IWM_UCODE_REGULAR, 154 IWM_UCODE_INIT, 155 IWM_UCODE_WOWLAN, 156 IWM_UCODE_REGULAR_USNIFFER, 157 IWM_UCODE_TYPE_MAX 158 }; 159 160 struct iwm_ucode_capabilities { 161 uint32_t max_probe_length; 162 uint32_t n_scan_channels; 163 uint32_t flags; 164 uint8_t enabled_api[howmany(IWM_NUM_UCODE_TLV_API, NBBY)]; 165 uint8_t enabled_capa[howmany(IWM_NUM_UCODE_TLV_CAPA, NBBY)]; 166 }; 167 168 /* one for each uCode image (inst/data, init/runtime/wowlan) */ 169 struct iwm_fw_desc { 170 const void *data; /* vmalloc'ed data */ 171 uint32_t len; /* size in bytes */ 172 uint32_t offset; /* offset in the device */ 173 }; 174 175 struct iwm_fw_img { 176 struct iwm_fw_desc sec[IWM_UCODE_SECTION_MAX]; 177 int fw_count; 178 int is_dual_cpus; 179 uint32_t paging_mem_size; 180 }; 181 182 struct iwm_fw_info { 183 const struct firmware *fw_fp; 184 185 /* ucode images */ 186 struct iwm_fw_img img[IWM_UCODE_TYPE_MAX]; 187 188 struct iwm_ucode_capabilities ucode_capa; 189 190 uint32_t phy_config; 191 uint8_t valid_tx_ant; 192 uint8_t valid_rx_ant; 193 }; 194 195 struct iwm_nvm_data { 196 int n_hw_addrs; 197 uint8_t hw_addr[IEEE80211_ADDR_LEN]; 198 199 int sku_cap_band_24GHz_enable; 200 int sku_cap_band_52GHz_enable; 201 int sku_cap_11n_enable; 202 int sku_cap_amt_enable; 203 int sku_cap_ipan_enable; 204 205 uint8_t radio_cfg_type; 206 uint8_t radio_cfg_step; 207 uint8_t radio_cfg_dash; 208 uint8_t radio_cfg_pnum; 209 uint8_t valid_tx_ant, valid_rx_ant; 210 #define IWM_NUM_CHANNELS 39 211 #define IWM_NUM_CHANNELS_8000 51 212 213 uint16_t nvm_version; 214 uint8_t max_tx_pwr_half_dbm; 215 216 boolean_t lar_enabled; 217 uint16_t nvm_ch_flags[]; 218 }; 219 220 /* max bufs per tfd the driver will use */ 221 #define IWM_MAX_CMD_TBS_PER_TFD 2 222 223 struct iwm_rx_packet; 224 struct iwm_host_cmd { 225 const void *data[IWM_MAX_CMD_TBS_PER_TFD]; 226 struct iwm_rx_packet *resp_pkt; 227 unsigned long _rx_page_addr; 228 uint32_t _rx_page_order; 229 int handler_status; 230 231 uint32_t flags; 232 uint32_t id; 233 uint16_t len[IWM_MAX_CMD_TBS_PER_TFD]; 234 uint8_t dataflags[IWM_MAX_CMD_TBS_PER_TFD]; 235 }; 236 237 /* 238 * DMA glue is from iwn 239 */ 240 241 typedef caddr_t iwm_caddr_t; 242 typedef void *iwm_hookarg_t; 243 244 struct iwm_dma_info { 245 bus_dma_tag_t tag; 246 bus_dmamap_t map; 247 bus_dma_segment_t seg; 248 bus_addr_t paddr; 249 void *vaddr; 250 bus_size_t size; 251 }; 252 253 /** 254 * struct iwm_fw_paging 255 * @fw_paging_block: dma memory info 256 * @fw_paging_size: page size 257 */ 258 struct iwm_fw_paging { 259 struct iwm_dma_info fw_paging_block; 260 uint32_t fw_paging_size; 261 }; 262 263 #define IWM_TX_RING_COUNT 256 264 #define IWM_TX_RING_LOMARK 192 265 #define IWM_TX_RING_HIMARK 224 266 267 struct iwm_tx_data { 268 bus_dmamap_t map; 269 bus_addr_t cmd_paddr; 270 bus_addr_t scratch_paddr; 271 struct mbuf *m; 272 struct iwm_node *in; 273 int done; 274 }; 275 276 struct iwm_tx_ring { 277 struct iwm_dma_info desc_dma; 278 struct iwm_dma_info cmd_dma; 279 struct iwm_tfd *desc; 280 struct iwm_device_cmd *cmd; 281 bus_dma_tag_t data_dmat; 282 struct iwm_tx_data data[IWM_TX_RING_COUNT]; 283 int qid; 284 int queued; 285 int cur; 286 }; 287 288 #define IWM_RX_LEGACY_RING_COUNT 256 289 #define IWM_RX_MQ_RING_COUNT 512 290 291 #define IWM_RBUF_SIZE 4096 292 293 #define IWM_MAX_SCATTER 20 294 295 struct iwm_rx_data { 296 struct mbuf *m; 297 bus_dmamap_t map; 298 }; 299 300 struct iwm_rx_ring { 301 struct iwm_dma_info free_desc_dma; 302 struct iwm_dma_info used_desc_dma; 303 struct iwm_dma_info stat_dma; 304 struct iwm_dma_info buf_dma; 305 void *desc; 306 struct iwm_rb_status *stat; 307 struct iwm_rx_data data[512]; 308 bus_dmamap_t spare_map; /* for iwm_rx_addbuf() */ 309 bus_dma_tag_t data_dmat; 310 int cur; 311 }; 312 313 #define IWM_CMD_RESP_MAX PAGE_SIZE 314 315 #define IWM_TE_SESSION_PROTECTION_MAX_TIME_MS 500 316 #define IWM_TE_SESSION_PROTECTION_MIN_TIME_MS 400 317 318 /* 319 * Command headers are in iwl-trans.h, which is full of all 320 * kinds of other junk, so we just replicate the structures here. 321 * First the software bits: 322 */ 323 enum IWM_CMD_MODE { 324 IWM_CMD_SYNC = 0, 325 IWM_CMD_ASYNC = (1 << 0), 326 IWM_CMD_WANT_SKB = (1 << 1), 327 IWM_CMD_SEND_IN_RFKILL = (1 << 2), 328 }; 329 enum iwm_hcmd_dataflag { 330 IWM_HCMD_DFL_NOCOPY = (1 << 0), 331 IWM_HCMD_DFL_DUP = (1 << 1), 332 }; 333 334 struct iwm_int_sta { 335 uint32_t sta_id; 336 uint32_t tfd_queue_msk; 337 }; 338 339 struct iwm_phy_ctxt { 340 uint16_t id; 341 uint16_t color; 342 uint32_t ref; 343 struct ieee80211_channel *channel; 344 }; 345 346 struct iwm_bf_data { 347 int bf_enabled; /* filtering */ 348 int ba_enabled; /* abort */ 349 int ave_beacon_signal; 350 int last_cqm_event; 351 }; 352 353 struct iwm_vap { 354 struct ieee80211vap iv_vap; 355 int is_uploaded; 356 int iv_auth; 357 358 int (*iv_newstate)(struct ieee80211vap *, 359 enum ieee80211_state, int); 360 361 struct iwm_phy_ctxt *phy_ctxt; 362 363 uint16_t id; 364 uint16_t color; 365 366 boolean_t have_wme; 367 /* 368 * QoS data from net80211, need to store this here 369 * as net80211 has a separate callback but we need 370 * to have the data for the MAC context 371 */ 372 struct { 373 uint16_t cw_min; 374 uint16_t cw_max; 375 uint16_t edca_txop; 376 uint8_t aifsn; 377 } queue_params[WME_NUM_AC]; 378 379 /* indicates that this interface requires PS to be disabled */ 380 boolean_t ps_disabled; 381 }; 382 #define IWM_VAP(_vap) ((struct iwm_vap *)(_vap)) 383 384 struct iwm_node { 385 struct ieee80211_node in_ni; 386 387 /* status "bits" */ 388 int in_assoc; 389 390 struct iwm_lq_cmd in_lq; 391 }; 392 #define IWM_NODE(_ni) ((struct iwm_node *)(_ni)) 393 394 #define IWM_STATION_ID 0 395 #define IWM_AUX_STA_ID 1 396 397 #define IWM_DEFAULT_MACID 0 398 #define IWM_DEFAULT_COLOR 0 399 #define IWM_DEFAULT_TSFID 0 400 401 #define IWM_ICT_SIZE 4096 402 #define IWM_ICT_COUNT (IWM_ICT_SIZE / sizeof (uint32_t)) 403 #define IWM_ICT_PADDR_SHIFT 12 404 405 struct iwm_cfg; 406 407 struct iwm_softc { 408 device_t sc_dev; 409 uint32_t sc_debug; 410 int sc_attached; 411 412 struct mtx sc_mtx; 413 struct mbufq sc_snd; 414 struct ieee80211com sc_ic; 415 struct ieee80211_ratectl_tx_status sc_txs; 416 417 int sc_flags; 418 #define IWM_FLAG_USE_ICT (1 << 0) 419 #define IWM_FLAG_HW_INITED (1 << 1) 420 #define IWM_FLAG_STOPPED (1 << 2) 421 #define IWM_FLAG_RFKILL (1 << 3) 422 #define IWM_FLAG_BUSY (1 << 4) 423 #define IWM_FLAG_SCANNING (1 << 5) 424 #define IWM_FLAG_SCAN_RUNNING (1 << 6) 425 #define IWM_FLAG_TE_ACTIVE (1 << 7) 426 427 struct intr_config_hook sc_preinit_hook; 428 struct callout sc_watchdog_to; 429 struct callout sc_led_blink_to; 430 431 struct task init_task; 432 433 struct resource *sc_irq; 434 struct resource *sc_mem; 435 bus_space_tag_t sc_st; 436 bus_space_handle_t sc_sh; 437 bus_size_t sc_sz; 438 bus_dma_tag_t sc_dmat; 439 void *sc_ih; 440 441 /* TX scheduler rings. */ 442 struct iwm_dma_info sched_dma; 443 uint32_t scd_base_addr; 444 445 /* TX/RX rings. */ 446 struct iwm_tx_ring txq[IWM_MAX_QUEUES]; 447 struct iwm_rx_ring rxq; 448 int qfullmsk; 449 450 /* ICT table. */ 451 struct iwm_dma_info ict_dma; 452 int ict_cur; 453 454 int sc_hw_rev; 455 int sc_hw_id; 456 457 struct iwm_dma_info kw_dma; 458 struct iwm_dma_info fw_dma; 459 460 int sc_fw_chunk_done; 461 462 enum iwm_ucode_type cur_ucode; 463 int ucode_loaded; 464 char sc_fwver[32]; 465 466 char sc_fw_mcc[3]; 467 468 int sc_intmask; 469 470 /* 471 * So why do we need a separate stopped flag and a generation? 472 * the former protects the device from issuing commands when it's 473 * stopped (duh). The latter protects against race from a very 474 * fast stop/unstop cycle where threads waiting for responses do 475 * not have a chance to run in between. Notably: we want to stop 476 * the device from interrupt context when it craps out, so we 477 * don't have the luxury of waiting for quiescense. 478 */ 479 int sc_generation; 480 481 struct iwm_fw_info sc_fw; 482 struct iwm_tlv_calib_ctrl sc_default_calib[IWM_UCODE_TYPE_MAX]; 483 484 const struct iwm_cfg *cfg; 485 struct iwm_nvm_data *nvm_data; 486 struct iwm_phy_db *sc_phy_db; 487 488 struct iwm_bf_data sc_bf; 489 490 int sc_tx_timer; 491 492 int sc_scan_last_antenna; 493 494 int sc_fixed_ridx; 495 496 int sc_staid; 497 int sc_nodecolor; 498 499 uint8_t sc_cmd_resp[IWM_CMD_RESP_MAX]; 500 int sc_wantresp; 501 502 struct taskqueue *sc_tq; 503 struct task sc_es_task; 504 struct task sc_rftoggle_task; 505 506 struct iwm_rx_phy_info sc_last_phy_info; 507 int sc_ampdu_ref; 508 509 struct iwm_int_sta sc_aux_sta; 510 511 /* phy contexts. we only use the first one */ 512 struct iwm_phy_ctxt sc_phyctxt[IWM_NUM_PHY_CTX]; 513 514 struct iwm_notif_statistics sc_stats; 515 int sc_noise; 516 517 struct iwm_rx_radiotap_header sc_rxtap; 518 struct iwm_tx_radiotap_header sc_txtap; 519 520 int sc_max_rssi; 521 522 struct iwm_notif_wait_data *sc_notif_wait; 523 524 int cmd_hold_nic_awake; 525 526 /* Firmware status */ 527 uint32_t error_event_table[2]; 528 uint32_t log_event_table; 529 uint32_t umac_error_event_table; 530 int support_umac_log; 531 532 /* 533 * Paging parameters - All of the parameters should be set by the 534 * opmode when paging is enabled 535 */ 536 struct iwm_fw_paging fw_paging_db[IWM_NUM_OF_FW_PAGING_BLOCKS]; 537 uint16_t num_of_paging_blk; 538 uint16_t num_of_pages_in_last_blk; 539 540 boolean_t last_ebs_successful; 541 542 /* last smart fifo state that was successfully sent to firmware */ 543 enum iwm_sf_state sf_state; 544 545 /* Indicate if device power save is allowed */ 546 boolean_t sc_ps_disabled; 547 548 int sc_ltr_enabled; 549 550 /* Track firmware state for STA association. */ 551 int sc_firmware_state; 552 553 /* Unique ID (assigned by the firmware) of the current Time Event. */ 554 uint32_t sc_time_event_uid; 555 556 /* Duration of the Time Event in TU. */ 557 uint32_t sc_time_event_duration; 558 559 /* Expected end of the Time Event in HZ ticks. */ 560 int sc_time_event_end_ticks; 561 }; 562 563 #define IWM_LOCK_INIT(_sc) \ 564 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \ 565 MTX_NETWORK_LOCK, MTX_DEF); 566 #define IWM_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 567 #define IWM_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 568 #define IWM_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx) 569 570 static inline bool 571 iwm_fw_has_api(struct iwm_softc *sc, unsigned int api) 572 { 573 return isset(sc->sc_fw.ucode_capa.enabled_api, api); 574 } 575 576 static inline bool 577 iwm_fw_has_capa(struct iwm_softc *sc, unsigned int capa) 578 { 579 return isset(sc->sc_fw.ucode_capa.enabled_capa, capa); 580 }
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