if_iwmvar.h revision 1.20 1 /* $NetBSD: if_iwmvar.h,v 1.20 2020/05/22 20:27:16 thorpej Exp $ */
2 /* OpenBSD: if_iwmvar.h,v 1.24 2016/09/21 13:53:18 stsp Exp */
3
4 /*
5 * Copyright (c) 2014 genua mbh <info (at) 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 (at) 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 (at) 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 };
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 uint8_t wt_hwqueue;
133 };
134
135 #define IWM_TX_RADIOTAP_PRESENT \
136 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
137 (1 << IEEE80211_RADIOTAP_RATE) | \
138 (1 << IEEE80211_RADIOTAP_CHANNEL))
139
140 #define IWM_UCODE_SECT_MAX 16
141 #define IWM_FWDMASEGSZ (192*1024)
142 #define IWM_FWDMASEGSZ_8000 (320*1024)
143
144 /*
145 * fw_status is used to determine if we've already parsed the firmware file
146 *
147 * In addition to the following, status < 0 ==> -error
148 */
149 #define IWM_FW_STATUS_NONE 0
150 #define IWM_FW_STATUS_INPROGRESS 1
151 #define IWM_FW_STATUS_DONE 2
152
153 enum iwm_ucode_type {
154 IWM_UCODE_TYPE_REGULAR,
155 IWM_UCODE_TYPE_INIT,
156 IWM_UCODE_TYPE_WOW,
157 IWM_UCODE_TYPE_REGULAR_USNIFFER,
158 IWM_UCODE_TYPE_MAX
159 };
160
161 struct iwm_fw_info {
162 void *fw_rawdata;
163 size_t fw_rawsize;
164 int fw_status;
165
166 struct iwm_fw_sects {
167 struct iwm_fw_onesect {
168 void *fws_data;
169 uint32_t fws_len;
170 uint32_t fws_devoff;
171
172 void *fws_alloc;
173 size_t fws_allocsize;
174 } fw_sect[IWM_UCODE_SECT_MAX];
175 size_t fw_totlen;
176 int fw_count;
177 int is_dual_cpus;
178 uint32_t paging_mem_size;
179 } fw_sects[IWM_UCODE_TYPE_MAX];
180 };
181
182 struct iwm_nvm_data {
183 int n_hw_addrs;
184 uint8_t hw_addr[ETHER_ADDR_LEN];
185
186 uint8_t calib_version;
187 uint16_t calib_voltage;
188
189 uint16_t raw_temperature;
190 uint16_t kelvin_temperature;
191 uint16_t kelvin_voltage;
192 uint16_t xtal_calib[2];
193
194 int sku_cap_band_24GHz_enable;
195 int sku_cap_band_52GHz_enable;
196 int sku_cap_11n_enable;
197 int sku_cap_amt_enable;
198 int sku_cap_ipan_enable;
199 int sku_cap_mimo_disable;
200
201 uint8_t radio_cfg_type;
202 uint8_t radio_cfg_step;
203 uint8_t radio_cfg_dash;
204 uint8_t radio_cfg_pnum;
205 uint8_t valid_tx_ant, valid_rx_ant;
206
207 uint16_t nvm_version;
208 uint8_t max_tx_pwr_half_dbm;
209
210 bool lar_enabled;
211 };
212
213 /* max bufs per tfd the driver will use */
214 #define IWM_MAX_CMD_TBS_PER_TFD 2
215
216 struct iwm_rx_packet;
217 struct iwm_host_cmd {
218 const void *data[IWM_MAX_CMD_TBS_PER_TFD];
219 struct iwm_rx_packet *resp_pkt;
220 unsigned long _rx_page_addr;
221 uint32_t _rx_page_order;
222 int handler_status;
223
224 uint32_t flags;
225 uint16_t len[IWM_MAX_CMD_TBS_PER_TFD];
226 uint8_t dataflags[IWM_MAX_CMD_TBS_PER_TFD];
227 uint32_t id;
228 };
229
230 /*
231 * DMA glue is from iwn
232 */
233
234 struct iwm_dma_info {
235 bus_dma_tag_t tag;
236 bus_dmamap_t map;
237 bus_dma_segment_t seg;
238 bus_addr_t paddr;
239 void *vaddr;
240 bus_size_t size;
241 };
242
243 /**
244 * struct iwm_fw_paging
245 * @fw_paging_block: dma memory info
246 * @fw_paging_size: page size
247 */
248 struct iwm_fw_paging {
249 struct iwm_dma_info fw_paging_block;
250 uint32_t fw_paging_size;
251 };
252
253 #define IWM_TX_RING_COUNT 256
254 #define IWM_TX_RING_LOMARK 192
255 #define IWM_TX_RING_HIMARK 224
256
257 struct iwm_tx_data {
258 bus_dmamap_t map;
259 bus_addr_t cmd_paddr;
260 bus_addr_t scratch_paddr;
261 struct mbuf *m;
262 struct iwm_node *in;
263 int done;
264 };
265
266 struct iwm_tx_ring {
267 struct iwm_dma_info desc_dma;
268 struct iwm_dma_info cmd_dma;
269 struct iwm_tfd *desc;
270 struct iwm_device_cmd *cmd;
271 struct iwm_tx_data data[IWM_TX_RING_COUNT];
272 int qid;
273 int queued;
274 int cur;
275 };
276
277 #define IWM_RX_RING_COUNT 256
278 #define IWM_RBUF_COUNT (IWM_RX_RING_COUNT + 32)
279 /* Linux driver optionally uses 8k buffer */
280 #define IWM_RBUF_SIZE 4096
281
282 struct iwm_rx_data {
283 struct mbuf *m;
284 bus_dmamap_t map;
285 };
286
287 struct iwm_rx_ring {
288 struct iwm_dma_info desc_dma;
289 struct iwm_dma_info stat_dma;
290 struct iwm_dma_info buf_dma;
291 uint32_t *desc;
292 struct iwm_rb_status *stat;
293 struct iwm_rx_data data[IWM_RX_RING_COUNT];
294 int cur;
295 };
296
297 #define IWM_FLAG_USE_ICT __BIT(0)
298 #define IWM_FLAG_HW_INITED __BIT(1)
299 #define IWM_FLAG_STOPPED __BIT(2)
300 #define IWM_FLAG_RFKILL __BIT(3)
301 #define IWM_FLAG_SCANNING __BIT(4)
302 #define IWM_FLAG_ATTACHED __BIT(5)
303 #define IWM_FLAG_FW_LOADED __BIT(6)
304
305 struct iwm_ucode_status {
306 uint32_t uc_error_event_table;
307 uint32_t uc_umac_error_event_table;
308 uint32_t uc_log_event_table;
309
310 int uc_ok;
311 int uc_intr;
312 };
313
314 /* sc_wantresp */
315 #define IWM_CMD_RESP_IDLE -1
316
317 #define IWM_CMD_RESP_MAX PAGE_SIZE
318
319 /* lower blocks contain EEPROM image and calibration data */
320 #define IWM_OTP_LOW_IMAGE_SIZE_FAMILY_7000 16384
321 #define IWM_OTP_LOW_IMAGE_SIZE_FAMILY_8000 32768
322
323 #define IWM_TE_SESSION_PROTECTION_MAX_TIME_MS 1000
324 #define IWM_TE_SESSION_PROTECTION_MIN_TIME_MS 400
325
326 enum IWM_CMD_MODE {
327 IWM_CMD_ASYNC = (1 << 0),
328 IWM_CMD_WANT_SKB = (1 << 1),
329 IWM_CMD_SEND_IN_RFKILL = (1 << 2),
330 };
331 enum iwm_hcmd_dataflag {
332 IWM_HCMD_DFL_NOCOPY = (1 << 0),
333 IWM_HCMD_DFL_DUP = (1 << 1),
334 };
335
336 #define IWM_NUM_PAPD_CH_GROUPS 9
337 #define IWM_NUM_TXP_CH_GROUPS 9
338
339 struct iwm_phy_db_entry {
340 uint16_t size;
341 uint8_t *data;
342 };
343
344 struct iwm_phy_db {
345 struct iwm_phy_db_entry cfg;
346 struct iwm_phy_db_entry calib_nch;
347 struct iwm_phy_db_entry calib_ch_group_papd[IWM_NUM_PAPD_CH_GROUPS];
348 struct iwm_phy_db_entry calib_ch_group_txp[IWM_NUM_TXP_CH_GROUPS];
349 };
350
351 struct iwm_phy_ctxt {
352 uint16_t id;
353 uint16_t color;
354 uint32_t ref;
355 struct ieee80211_channel *channel;
356 };
357
358 struct iwm_bf_data {
359 int bf_enabled; /* filtering */
360 int ba_enabled; /* abort */
361 int ave_beacon_signal;
362 int last_cqm_event;
363 };
364
365 struct iwm_softc {
366 device_t sc_dev;
367 struct ethercom sc_ec;
368 struct ieee80211com sc_ic;
369
370 int (*sc_newstate)(struct ieee80211com *, enum ieee80211_state, int);
371
372 struct ieee80211_amrr sc_amrr;
373 struct callout sc_calib_to;
374 struct callout sc_led_blink_to;
375
376 bus_space_tag_t sc_st;
377 bus_space_handle_t sc_sh;
378 pci_intr_handle_t *sc_pihp;
379
380 bus_size_t sc_sz;
381 bus_dma_tag_t sc_dmat;
382 pci_chipset_tag_t sc_pct;
383 pcitag_t sc_pcitag;
384 pcireg_t sc_pciid;
385 const void *sc_ih;
386 void *sc_soft_ih;
387
388 /* TX scheduler rings. */
389 struct iwm_dma_info sched_dma;
390 uint32_t sched_base;
391
392 /* TX/RX rings. */
393 struct iwm_tx_ring txq[IWM_MAX_QUEUES];
394 struct iwm_rx_ring rxq;
395 int qfullmsk;
396
397 int sc_sf_state;
398
399 /* ICT table. */
400 struct iwm_dma_info ict_dma;
401 int ict_cur;
402
403 int sc_hw_rev;
404 #define IWM_SILICON_A_STEP 0
405 #define IWM_SILICON_B_STEP 1
406 #define IWM_SILICON_C_STEP 2
407 #define IWM_SILICON_D_STEP 3
408 int sc_hw_id;
409 int sc_device_family;
410 #define IWM_DEVICE_FAMILY_7000 1
411 #define IWM_DEVICE_FAMILY_8000 2
412
413 struct iwm_dma_info kw_dma;
414 struct iwm_dma_info fw_dma;
415
416 int sc_fw_chunk_done;
417 int sc_init_complete;
418
419 struct iwm_ucode_status sc_uc;
420 enum iwm_ucode_type sc_uc_current;
421 char sc_fwver[32];
422
423 int sc_capaflags;
424 int sc_capa_max_probe_len;
425 int sc_capa_n_scan_channels;
426 uint8_t sc_ucode_api[howmany(IWM_NUM_UCODE_TLV_API, NBBY)];
427 uint8_t sc_enabled_capa[howmany(IWM_NUM_UCODE_TLV_CAPA, NBBY)];
428 char sc_fw_mcc[3];
429
430 int sc_intmask;
431 int sc_flags;
432
433 /*
434 * So why do we need a separate stopped flag and a generation?
435 * the former protects the device from issueing commands when it's
436 * stopped (duh). The latter protects against race from a very
437 * fast stop/unstop cycle where threads waiting for responses do
438 * not have a chance to run in between. Notably: we want to stop
439 * the device from interrupt context when it craps out, so we
440 * don't have the luxury of waiting for quiescense.
441 */
442 int sc_generation;
443
444 int sc_cap_off; /* PCIe caps */
445
446 const char *sc_fwname;
447 bus_size_t sc_fwdmasegsz;
448 struct iwm_fw_info sc_fw;
449 int sc_fw_phy_config;
450 struct iwm_tlv_calib_ctrl sc_default_calib[IWM_UCODE_TYPE_MAX];
451
452 struct iwm_nvm_data sc_nvm;
453 struct iwm_phy_db sc_phy_db;
454
455 struct iwm_bf_data sc_bf;
456
457 int sc_tx_timer;
458 int sc_rx_ba_sessions;
459
460 int sc_scan_last_antenna;
461 int sc_mgmt_last_antenna;
462
463 int sc_fixed_ridx;
464
465 int sc_staid;
466 int sc_nodecolor;
467
468 uint8_t sc_cmd_resp[IWM_CMD_RESP_MAX];
469 int sc_wantresp;
470
471 struct workqueue *sc_nswq;
472
473 struct iwm_rx_phy_info sc_last_phy_info;
474 int sc_ampdu_ref;
475
476 /* phy contexts. we only use the first one */
477 struct iwm_phy_ctxt sc_phyctxt[IWM_NUM_PHY_CTX];
478
479 struct iwm_notif_statistics sc_stats;
480 int sc_noise;
481
482 int sc_cmd_hold_nic_awake;
483
484 /* device needs host interrupt operation mode set */
485 int host_interrupt_operation_mode;
486 /* should the MAC access REQ be asserted when a command is in flight.
487 * This is due to a HW bug in 7260, 3160 and 7265. */
488 int apmg_wake_up_wa;
489
490 /*
491 * Paging parameters - All of the parameters should be set by the
492 * opmode when paging is enabled
493 */
494 struct iwm_fw_paging fw_paging_db[IWM_NUM_OF_FW_PAGING_BLOCKS];
495 uint16_t num_of_paging_blk;
496 uint16_t num_of_pages_in_last_blk;
497
498 struct sysctllog *sc_clog;
499
500 struct bpf_if *sc_drvbpf;
501
502 kmutex_t sc_media_mtx; /* XXX */
503
504 union {
505 struct iwm_rx_radiotap_header th;
506 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
507 } sc_rxtapu;
508 #define sc_rxtap sc_rxtapu.th
509 int sc_rxtap_len;
510
511 union {
512 struct iwm_tx_radiotap_header th;
513 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
514 } sc_txtapu;
515 #define sc_txtap sc_txtapu.th
516 int sc_txtap_len;
517 };
518
519 struct iwm_node {
520 struct ieee80211_node in_ni;
521 struct iwm_phy_ctxt *in_phyctxt;
522
523 uint16_t in_id;
524 uint16_t in_color;
525
526 struct iwm_lq_cmd in_lq;
527 struct ieee80211_amrr_node in_amn;
528 };
529 #define IWM_STATION_ID 0
530 #define IWM_AUX_STA_ID 1
531
532 #define IWM_ICT_SIZE 4096
533 #define IWM_ICT_COUNT (IWM_ICT_SIZE / sizeof (uint32_t))
534 #define IWM_ICT_PADDR_SHIFT 12
535