if_iwmvar.h revision 1.10 1 /* $NetBSD: if_iwmvar.h,v 1.10 2016/12/18 02:18:29 nonaka 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 } __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 uint8_t wt_hwqueue;
133 } __packed;
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 /* 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 void *fw_rawdata;
165 size_t fw_rawsize;
166 int fw_status;
167
168 struct iwm_fw_sects {
169 struct iwm_fw_onesect {
170 void *fws_data;
171 uint32_t fws_len;
172 uint32_t fws_devoff;
173
174 void *fws_alloc;
175 size_t fws_allocsize;
176 } fw_sect[IWM_UCODE_SECT_MAX];
177 size_t fw_totlen;
178 int fw_count;
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
211 /* max bufs per tfd the driver will use */
212 #define IWM_MAX_CMD_TBS_PER_TFD 2
213
214 struct iwm_rx_packet;
215 struct iwm_host_cmd {
216 const void *data[IWM_MAX_CMD_TBS_PER_TFD];
217 struct iwm_rx_packet *resp_pkt;
218 unsigned long _rx_page_addr;
219 uint32_t _rx_page_order;
220 int handler_status;
221
222 uint32_t flags;
223 uint16_t len[IWM_MAX_CMD_TBS_PER_TFD];
224 uint8_t dataflags[IWM_MAX_CMD_TBS_PER_TFD];
225 uint32_t id;
226 };
227
228 /*
229 * DMA glue is from iwn
230 */
231
232 struct iwm_dma_info {
233 bus_dma_tag_t tag;
234 bus_dmamap_t map;
235 bus_dma_segment_t seg;
236 bus_addr_t paddr;
237 void *vaddr;
238 bus_size_t size;
239 };
240
241 #define IWM_TX_RING_COUNT 256
242 #define IWM_TX_RING_LOMARK 192
243 #define IWM_TX_RING_HIMARK 224
244
245 struct iwm_tx_data {
246 bus_dmamap_t map;
247 bus_addr_t cmd_paddr;
248 bus_addr_t scratch_paddr;
249 struct mbuf *m;
250 struct iwm_node *in;
251 int done;
252 };
253
254 struct iwm_tx_ring {
255 struct iwm_dma_info desc_dma;
256 struct iwm_dma_info cmd_dma;
257 struct iwm_tfd *desc;
258 struct iwm_device_cmd *cmd;
259 struct iwm_tx_data data[IWM_TX_RING_COUNT];
260 int qid;
261 int queued;
262 int cur;
263 };
264
265 #define IWM_RX_RING_COUNT 256
266 #define IWM_RBUF_COUNT (IWM_RX_RING_COUNT + 32)
267 /* Linux driver optionally uses 8k buffer */
268 #define IWM_RBUF_SIZE 4096
269
270 struct iwm_rx_data {
271 struct mbuf *m;
272 bus_dmamap_t map;
273 };
274
275 struct iwm_rx_ring {
276 struct iwm_dma_info desc_dma;
277 struct iwm_dma_info stat_dma;
278 struct iwm_dma_info buf_dma;
279 uint32_t *desc;
280 struct iwm_rb_status *stat;
281 struct iwm_rx_data data[IWM_RX_RING_COUNT];
282 int cur;
283 };
284
285 #define IWM_FLAG_USE_ICT __BIT(0)
286 #define IWM_FLAG_HW_INITED __BIT(1)
287 #define IWM_FLAG_STOPPED __BIT(2)
288 #define IWM_FLAG_RFKILL __BIT(3)
289 #define IWM_FLAG_SCANNING __BIT(4)
290 #define IWM_FLAG_ATTACHED __BIT(5)
291 #define IWM_FLAG_FW_LOADED __BIT(6)
292
293 struct iwm_ucode_status {
294 uint32_t uc_error_event_table;
295 uint32_t uc_umac_error_event_table;
296 uint32_t uc_log_event_table;
297
298 int uc_ok;
299 int uc_intr;
300 };
301
302 /* sc_wantresp */
303 #define IWM_CMD_RESP_IDLE -1
304
305 #define IWM_CMD_RESP_MAX PAGE_SIZE
306
307 /* lower blocks contain EEPROM image and calibration data */
308 #define IWM_OTP_LOW_IMAGE_SIZE_FAMILY_7000 16384
309 #define IWM_OTP_LOW_IMAGE_SIZE_FAMILY_8000 32768
310
311 #define IWM_TE_SESSION_PROTECTION_MAX_TIME_MS 1000
312 #define IWM_TE_SESSION_PROTECTION_MIN_TIME_MS 400
313
314 enum IWM_CMD_MODE {
315 IWM_CMD_ASYNC = (1 << 0),
316 IWM_CMD_WANT_SKB = (1 << 1),
317 IWM_CMD_SEND_IN_RFKILL = (1 << 2),
318 };
319 enum iwm_hcmd_dataflag {
320 IWM_HCMD_DFL_NOCOPY = (1 << 0),
321 IWM_HCMD_DFL_DUP = (1 << 1),
322 };
323
324 #define IWM_NUM_PAPD_CH_GROUPS 9
325 #define IWM_NUM_TXP_CH_GROUPS 9
326
327 struct iwm_phy_db_entry {
328 uint16_t size;
329 uint8_t *data;
330 };
331
332 struct iwm_phy_db {
333 struct iwm_phy_db_entry cfg;
334 struct iwm_phy_db_entry calib_nch;
335 struct iwm_phy_db_entry calib_ch_group_papd[IWM_NUM_PAPD_CH_GROUPS];
336 struct iwm_phy_db_entry calib_ch_group_txp[IWM_NUM_TXP_CH_GROUPS];
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_softc {
354 device_t sc_dev;
355 struct ethercom sc_ec;
356 struct ieee80211com sc_ic;
357
358 int (*sc_newstate)(struct ieee80211com *, enum ieee80211_state, int);
359 int sc_newstate_pending;
360
361 struct ieee80211_amrr sc_amrr;
362 struct callout sc_calib_to;
363 struct callout sc_led_blink_to;
364
365 bus_space_tag_t sc_st;
366 bus_space_handle_t sc_sh;
367 pci_intr_handle_t *sc_pihp;
368
369 bus_size_t sc_sz;
370 bus_dma_tag_t sc_dmat;
371 pci_chipset_tag_t sc_pct;
372 pcitag_t sc_pcitag;
373 pcireg_t sc_pciid;
374 const void *sc_ih;
375
376 /* TX scheduler rings. */
377 struct iwm_dma_info sched_dma;
378 uint32_t sched_base;
379
380 /* TX/RX rings. */
381 struct iwm_tx_ring txq[IWM_MAX_QUEUES];
382 struct iwm_rx_ring rxq;
383 int qfullmsk;
384
385 int sc_sf_state;
386
387 /* ICT table. */
388 struct iwm_dma_info ict_dma;
389 int ict_cur;
390
391 int sc_hw_rev;
392 #define IWM_SILICON_A_STEP 0
393 #define IWM_SILICON_B_STEP 1
394 #define IWM_SILICON_C_STEP 2
395 #define IWM_SILICON_D_STEP 3
396 int sc_hw_id;
397 int sc_device_family;
398 #define IWM_DEVICE_FAMILY_7000 1
399 #define IWM_DEVICE_FAMILY_8000 2
400
401 struct iwm_dma_info kw_dma;
402 struct iwm_dma_info fw_dma;
403
404 int sc_fw_chunk_done;
405 int sc_init_complete;
406
407 struct iwm_ucode_status sc_uc;
408 enum iwm_ucode_type sc_uc_current;
409 char sc_fwver[32];
410
411 int sc_capaflags;
412 int sc_capa_max_probe_len;
413 int sc_capa_n_scan_channels;
414 uint32_t sc_ucode_api;
415 uint8_t sc_enabled_capa[howmany(IWM_NUM_UCODE_TLV_CAPA, NBBY)];
416 char sc_fw_mcc[3];
417
418 int sc_intmask;
419 int sc_flags;
420
421 /*
422 * So why do we need a separate stopped flag and a generation?
423 * the former protects the device from issueing commands when it's
424 * stopped (duh). The latter protects against race from a very
425 * fast stop/unstop cycle where threads waiting for responses do
426 * not have a chance to run in between. Notably: we want to stop
427 * the device from interrupt context when it craps out, so we
428 * don't have the luxury of waiting for quiescense.
429 */
430 int sc_generation;
431
432 int sc_cap_off; /* PCIe caps */
433
434 const char *sc_fwname;
435 bus_size_t sc_fwdmasegsz;
436 struct iwm_fw_info sc_fw;
437 int sc_fw_phy_config;
438 struct iwm_tlv_calib_ctrl sc_default_calib[IWM_UCODE_TYPE_MAX];
439
440 struct iwm_nvm_data sc_nvm;
441 struct iwm_phy_db sc_phy_db;
442
443 struct iwm_bf_data sc_bf;
444
445 int sc_tx_timer;
446 int sc_rx_ba_sessions;
447
448 int sc_scan_last_antenna;
449
450 int sc_fixed_ridx;
451
452 int sc_staid;
453 int sc_nodecolor;
454
455 uint8_t sc_cmd_resp[IWM_CMD_RESP_MAX];
456 int sc_wantresp;
457
458 struct workqueue *sc_nswq, *sc_eswq;
459 struct work sc_eswk;
460
461 struct iwm_rx_phy_info sc_last_phy_info;
462 int sc_ampdu_ref;
463
464 /* phy contexts. we only use the first one */
465 struct iwm_phy_ctxt sc_phyctxt[IWM_NUM_PHY_CTX];
466
467 struct iwm_notif_statistics sc_stats;
468 int sc_noise;
469
470 int host_interrupt_operation_mode;
471
472 struct sysctllog *sc_clog;
473
474 struct bpf_if * sc_drvbpf;
475
476 union {
477 struct iwm_rx_radiotap_header th;
478 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
479 } sc_rxtapu;
480 #define sc_rxtap sc_rxtapu.th
481 int sc_rxtap_len;
482
483 union {
484 struct iwm_tx_radiotap_header th;
485 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
486 } sc_txtapu;
487 #define sc_txtap sc_txtapu.th
488 int sc_txtap_len;
489 };
490
491 struct iwm_node {
492 struct ieee80211_node in_ni;
493 struct iwm_phy_ctxt *in_phyctxt;
494
495 uint16_t in_id;
496 uint16_t in_color;
497
498 struct iwm_lq_cmd in_lq;
499 struct ieee80211_amrr_node in_amn;
500 };
501 #define IWM_STATION_ID 0
502 #define IWM_AUX_STA_ID 1
503
504 #define IWM_ICT_SIZE 4096
505 #define IWM_ICT_COUNT (IWM_ICT_SIZE / sizeof (uint32_t))
506 #define IWM_ICT_PADDR_SHIFT 12
507