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@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
107struct 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
126struct 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
153enum 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
161struct 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
182struct 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
216struct iwm_rx_packet;
217struct 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
234struct 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 */
248struct 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
257struct 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
266struct 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
282struct iwm_rx_data {
283	struct mbuf	*m;
284	bus_dmamap_t	map;
285};
286
287struct 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
305struct 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
326enum 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};
331enum 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
339struct iwm_phy_db_entry {
340	uint16_t size;
341	uint8_t *data;
342};
343
344struct 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
351struct iwm_phy_ctxt {
352	uint16_t id;
353	uint16_t color;
354	uint32_t ref;
355	struct ieee80211_channel *channel;
356};
357
358struct 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
365struct 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
519struct 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