if_iwmvar.h revision 1.1 1 /* $NetBSD: if_iwmvar.h,v 1.1 2015/02/07 13:20:00 pooka Exp $ */
2 /* OpenBSD: if_iwmvar.h,v 1.3 2015/02/07 07:10:44 phessler 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 6
141 #define IWM_FWNAME "iwm-7260-9"
142 #define IWM_FWDMASEGSZ (192*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_INIT,
157 IWM_UCODE_TYPE_REGULAR,
158 IWM_UCODE_TYPE_WOW,
159 IWM_UCODE_TYPE_MAX
160 };
161
162 struct iwm_fw_info {
163 void *fw_rawdata;
164 size_t fw_rawsize;
165 int fw_status;
166
167 struct iwm_fw_sects {
168 struct iwm_fw_onesect {
169 void *fws_data;
170 uint32_t fws_len;
171 uint32_t fws_devoff;
172
173 void *fws_alloc;
174 size_t fws_allocsize;
175 } fw_sect[IWM_UCODE_SECT_MAX];
176 size_t fw_totlen;
177 int fw_count;
178 } fw_sects[IWM_UCODE_TYPE_MAX];
179 };
180
181 struct iwm_nvm_data {
182 int n_hw_addrs;
183 uint8_t hw_addr[ETHER_ADDR_LEN];
184
185 uint8_t calib_version;
186 uint16_t calib_voltage;
187
188 uint16_t raw_temperature;
189 uint16_t kelvin_temperature;
190 uint16_t kelvin_voltage;
191 uint16_t xtal_calib[2];
192
193 int sku_cap_band_24GHz_enable;
194 int sku_cap_band_52GHz_enable;
195 int sku_cap_11n_enable;
196 int sku_cap_amt_enable;
197 int sku_cap_ipan_enable;
198
199 uint8_t radio_cfg_type;
200 uint8_t radio_cfg_step;
201 uint8_t radio_cfg_dash;
202 uint8_t radio_cfg_pnum;
203 uint8_t valid_tx_ant, valid_rx_ant;
204
205 uint16_t nvm_version;
206 uint8_t max_tx_pwr_half_dbm;
207 };
208
209 /* max bufs per tfd the driver will use */
210 #define IWM_MAX_CMD_TBS_PER_TFD 2
211
212 struct iwm_rx_packet;
213 struct iwm_host_cmd {
214 const void *data[IWM_MAX_CMD_TBS_PER_TFD];
215 struct iwm_rx_packet *resp_pkt;
216 unsigned long _rx_page_addr;
217 uint32_t _rx_page_order;
218 int handler_status;
219
220 uint32_t flags;
221 uint16_t len[IWM_MAX_CMD_TBS_PER_TFD];
222 uint8_t dataflags[IWM_MAX_CMD_TBS_PER_TFD];
223 uint8_t id;
224 };
225
226 /*
227 * DMA glue is from iwn
228 */
229
230 struct iwm_dma_info {
231 bus_dma_tag_t tag;
232 bus_dmamap_t map;
233 bus_dma_segment_t seg;
234 bus_addr_t paddr;
235 void *vaddr;
236 bus_size_t size;
237 };
238
239 #define IWM_TX_RING_COUNT 256
240 #define IWM_TX_RING_LOMARK 192
241 #define IWM_TX_RING_HIMARK 224
242
243 struct iwm_tx_data {
244 bus_dmamap_t map;
245 bus_addr_t cmd_paddr;
246 bus_addr_t scratch_paddr;
247 struct mbuf *m;
248 struct iwm_node *in;
249 int done;
250 };
251
252 struct iwm_tx_ring {
253 struct iwm_dma_info desc_dma;
254 struct iwm_dma_info cmd_dma;
255 struct iwm_tfd *desc;
256 struct iwm_device_cmd *cmd;
257 struct iwm_tx_data data[IWM_TX_RING_COUNT];
258 int qid;
259 int queued;
260 int cur;
261 };
262
263 #define IWM_RX_RING_COUNT 256
264 #define IWM_RBUF_COUNT (IWM_RX_RING_COUNT + 32)
265 /* Linux driver optionally uses 8k buffer */
266 #define IWM_RBUF_SIZE 4096
267
268 struct iwm_softc;
269 struct iwm_rbuf {
270 struct iwm_softc *sc;
271 void *vaddr;
272 bus_addr_t paddr;
273 };
274
275 struct iwm_rx_data {
276 struct mbuf *m;
277 bus_dmamap_t map;
278 int wantresp;
279 };
280
281 struct iwm_rx_ring {
282 struct iwm_dma_info desc_dma;
283 struct iwm_dma_info stat_dma;
284 struct iwm_dma_info buf_dma;
285 uint32_t *desc;
286 struct iwm_rb_status *stat;
287 struct iwm_rx_data data[IWM_RX_RING_COUNT];
288 int cur;
289 };
290
291 #define IWM_FLAG_USE_ICT 0x01
292 #define IWM_FLAG_HW_INITED 0x02
293 #define IWM_FLAG_STOPPED 0x04
294 #define IWM_FLAG_RFKILL 0x08
295 #define IWM_FLAG_BUSY 0x10
296
297 struct iwm_ucode_status {
298 uint32_t uc_error_event_table;
299 uint32_t uc_log_event_table;
300
301 int uc_ok;
302 int uc_intr;
303 };
304
305 #define IWM_CMD_RESP_MAX PAGE_SIZE
306
307 #define IWM_OTP_LOW_IMAGE_SIZE 2048
308
309 #define IWM_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS 500
310 #define IWM_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS 400
311
312 /*
313 * Command headers are in iwl-trans.h, which is full of all
314 * kinds of other junk, so we just replicate the structures here.
315 * First the software bits:
316 */
317 enum IWM_CMD_MODE {
318 IWM_CMD_SYNC = 0,
319 IWM_CMD_ASYNC = (1 << 0),
320 IWM_CMD_WANT_SKB = (1 << 1),
321 IWM_CMD_SEND_IN_RFKILL = (1 << 2),
322 };
323 enum iwm_hcmd_dataflag {
324 IWM_HCMD_DFL_NOCOPY = (1 << 0),
325 IWM_HCMD_DFL_DUP = (1 << 1),
326 };
327
328 /*
329 * iwlwifi/iwl-phy-db
330 */
331
332 #define IWM_NUM_PAPD_CH_GROUPS 4
333 #define IWM_NUM_TXP_CH_GROUPS 9
334
335 struct iwm_phy_db_entry {
336 uint16_t size;
337 uint8_t *data;
338 };
339
340 struct iwm_phy_db {
341 struct iwm_phy_db_entry cfg;
342 struct iwm_phy_db_entry calib_nch;
343 struct iwm_phy_db_entry calib_ch_group_papd[IWM_NUM_PAPD_CH_GROUPS];
344 struct iwm_phy_db_entry calib_ch_group_txp[IWM_NUM_TXP_CH_GROUPS];
345 };
346
347 struct iwm_int_sta {
348 uint32_t sta_id;
349 uint32_t tfd_queue_msk;
350 };
351
352 struct iwm_mvm_phy_ctxt {
353 uint16_t id;
354 uint16_t color;
355 uint32_t ref;
356 struct ieee80211_channel *channel;
357 };
358
359 struct iwm_bf_data {
360 int bf_enabled; /* filtering */
361 int ba_enabled; /* abort */
362 int ave_beacon_signal;
363 int last_cqm_event;
364 };
365
366 struct iwm_softc {
367 struct device *sc_dev;
368 struct ethercom sc_ec;
369 struct ieee80211com sc_ic;
370
371 int (*sc_newstate)(struct ieee80211com *, enum ieee80211_state, int);
372 int sc_newstate_pending;
373
374 struct ieee80211_amrr sc_amrr;
375 struct callout sc_calib_to;
376
377 bus_space_tag_t sc_st;
378 bus_space_handle_t sc_sh;
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 const void *sc_ih;
385
386 /* TX scheduler rings. */
387 struct iwm_dma_info sched_dma;
388 uint32_t sched_base;
389
390 /* TX/RX rings. */
391 struct iwm_tx_ring txq[IWM_MVM_MAX_QUEUES];
392 struct iwm_rx_ring rxq;
393 int qfullmsk;
394
395 int sc_sf_state;
396
397 /* ICT table. */
398 struct iwm_dma_info ict_dma;
399 int ict_cur;
400
401 int sc_hw_rev;
402 int sc_hw_id;
403
404 struct iwm_dma_info kw_dma;
405 struct iwm_dma_info fw_dma;
406
407 int sc_fw_chunk_done;
408 int sc_init_complete;
409
410 struct iwm_ucode_status sc_uc;
411 enum iwm_ucode_type sc_uc_current;
412 int sc_fwver;
413
414 int sc_capaflags;
415 int sc_capa_max_probe_len;
416
417 int sc_intmask;
418 int sc_flags;
419
420 /*
421 * So why do we need a separate stopped flag and a generation?
422 * the former protects the device from issueing commands when it's
423 * stopped (duh). The latter protects against race from a very
424 * fast stop/unstop cycle where threads waiting for responses do
425 * not have a chance to run in between. Notably: we want to stop
426 * the device from interrupt context when it craps out, so we
427 * don't have the luxury of waiting for quiescense.
428 */
429 int sc_generation;
430
431 int sc_cap_off; /* PCIe caps */
432
433 const char *sc_fwname;
434 bus_size_t sc_fwdmasegsz;
435 struct iwm_fw_info sc_fw;
436 int sc_fw_phy_config;
437 struct iwm_tlv_calib_ctrl sc_default_calib[IWM_UCODE_TYPE_MAX];
438
439 struct iwm_nvm_data sc_nvm;
440 struct iwm_phy_db sc_phy_db;
441
442 struct iwm_bf_data sc_bf;
443
444 int sc_tx_timer;
445
446 struct iwm_scan_cmd *sc_scan_cmd;
447 size_t sc_scan_cmd_len;
448 int sc_scan_last_antenna;
449 int sc_scanband;
450
451 int sc_auth_prot;
452
453 int sc_fixed_ridx;
454
455 int sc_staid;
456 int sc_nodecolor;
457
458 uint8_t sc_cmd_resp[IWM_CMD_RESP_MAX];
459 int sc_wantresp;
460
461 struct workqueue *sc_nswq, *sc_eswq;
462 struct work sc_eswk;
463
464 struct iwm_rx_phy_info sc_last_phy_info;
465 int sc_ampdu_ref;
466
467 struct iwm_int_sta sc_aux_sta;
468
469 /* phy contexts. we only use the first one */
470 struct iwm_mvm_phy_ctxt sc_phyctxt[IWM_NUM_PHY_CTX];
471
472 struct iwm_notif_statistics sc_stats;
473 int sc_noise;
474
475 struct bpf_if * sc_drvbpf;
476
477 union {
478 struct iwm_rx_radiotap_header th;
479 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
480 } sc_rxtapu;
481 #define sc_rxtap sc_rxtapu.th
482 int sc_rxtap_len;
483
484 union {
485 struct iwm_tx_radiotap_header th;
486 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
487 } sc_txtapu;
488 #define sc_txtap sc_txtapu.th
489 int sc_txtap_len;
490 };
491
492 struct iwm_node {
493 struct ieee80211_node in_ni;
494 struct iwm_mvm_phy_ctxt *in_phyctxt;
495
496 uint16_t in_id;
497 uint16_t in_color;
498 int in_tsfid;
499
500 /* status "bits" */
501 int in_assoc;
502
503 struct iwm_lq_cmd in_lq;
504 struct ieee80211_amrr_node in_amn;
505
506 uint8_t in_ridx[IEEE80211_RATE_MAXSIZE];
507 };
508 #define IWM_STATION_ID 0
509
510 #define IWM_ICT_SIZE 4096
511 #define IWM_ICT_COUNT (IWM_ICT_SIZE / sizeof (uint32_t))
512 #define IWM_ICT_PADDR_SHIFT 12
513