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iwlwifi: allow a default callback for ASYNC host commands
[linux-2.6-block.git] / drivers / net / wireless / iwlwifi / iwl-4965.h
CommitLineData
b481de9c
ZY		 1/******************************************************************************
2 *
eb7ae89c 3 * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
b481de9c
ZY		 4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * James P. Ketrenos <ipw2100-admin@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
fcd427bb
BC		 26/*
27 * Please use this file (iwl-4965.h) for driver implementation definitions.
28 * Please use iwl-4965-commands.h for uCode API definitions.
29 * Please use iwl-4965-hw.h for hardware-related definitions.
30 */
31
b481de9c
ZY		 32#ifndef __iwl_4965_h__
33#define __iwl_4965_h__
34
5d08cd1d
CH		 35#include <linux/pci.h> /* for struct pci_device_id */
36#include <linux/kernel.h>
37#include <net/ieee80211_radiotap.h>
38
5d08cd1d 39/* Hardware specific file defines the PCI IDs table for that hardware module */
bb8c093b 40extern struct pci_device_id iwl4965_hw_card_ids[];
5d08cd1d
CH		 41
42#define DRV_NAME "iwl4965"
6bc913bd 43#include "iwl-eeprom.h"
5d08cd1d 44#include "iwl-4965-hw.h"
6f83eaa1 45#include "iwl-csr.h"
5d08cd1d 46#include "iwl-prph.h"
0a6857e7 47#include "iwl-debug.h"
ab53d8af 48#include "iwl-led.h"
5d08cd1d 49
4bf775cd
TW		 50/* Change firmware file name, using "-" and incrementing number,
51 * *only* when uCode interface or architecture changes so that it
52 * is not compatible with earlier drivers.
53 * This number will also appear in << 8 position of 1st dword of uCode file */
54#define IWL4965_UCODE_API "-1"
55
56
5d08cd1d
CH		 57/* Default noise level to report when noise measurement is not available.
58 * This may be because we're:
59 * 1) Not associated (4965, no beacon statistics being sent to driver)
60 * 2) Scanning (noise measurement does not apply to associated channel)
61 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
62 * Use default noise value of -127 ... this is below the range of measurable
63 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
64 * Also, -127 works better than 0 when averaging frames with/without
65 * noise info (e.g. averaging might be done in app); measured dBm values are
66 * always negative ... using a negative value as the default keeps all
67 * averages within an s8's (used in some apps) range of negative values. */
68#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
69
bb8c093b 70enum iwl4965_antenna {
5d08cd1d
CH		 71 IWL_ANTENNA_DIVERSITY,
72 IWL_ANTENNA_MAIN,
73 IWL_ANTENNA_AUX
74};
75
76/*
77 * RTS threshold here is total size [2347] minus 4 FCS bytes
78 * Per spec:
79 * a value of 0 means RTS on all data/management packets
80 * a value > max MSDU size means no RTS
81 * else RTS for data/management frames where MPDU is larger
82 * than RTS value.
83 */
84#define DEFAULT_RTS_THRESHOLD 2347U
85#define MIN_RTS_THRESHOLD 0U
86#define MAX_RTS_THRESHOLD 2347U
87#define MAX_MSDU_SIZE 2304U
88#define MAX_MPDU_SIZE 2346U
89#define DEFAULT_BEACON_INTERVAL 100U
90#define DEFAULT_SHORT_RETRY_LIMIT 7U
91#define DEFAULT_LONG_RETRY_LIMIT 4U
92
bb8c093b 93struct iwl4965_rx_mem_buffer {
5d08cd1d
CH		 94 dma_addr_t dma_addr;
95 struct sk_buff *skb;
96 struct list_head list;
97};
98
5d08cd1d
CH		 99/*
100 * Generic queue structure
101 *
102 * Contains common data for Rx and Tx queues
103 */
bb8c093b 104struct iwl4965_queue {
5d08cd1d
CH		 105 int n_bd; /* number of BDs in this queue */
106 int write_ptr; /* 1-st empty entry (index) host_w*/
107 int read_ptr; /* last used entry (index) host_r*/
108 dma_addr_t dma_addr; /* physical addr for BD's */
109 int n_window; /* safe queue window */
110 u32 id;
111 int low_mark; /* low watermark, resume queue if free
112 * space more than this */
113 int high_mark; /* high watermark, stop queue if free
114 * space less than this */
115} __attribute__ ((packed));
116
117#define MAX_NUM_OF_TBS (20)
118
bc47279f 119/* One for each TFD */
bb8c093b 120struct iwl4965_tx_info {
5d08cd1d
CH		 121 struct ieee80211_tx_status status;
122 struct sk_buff *skb[MAX_NUM_OF_TBS];
123};
124
125/**
bb8c093b 126 * struct iwl4965_tx_queue - Tx Queue for DMA
bc47279f
BC		 127 * @q: generic Rx/Tx queue descriptor
128 * @bd: base of circular buffer of TFDs
129 * @cmd: array of command/Tx buffers
130 * @dma_addr_cmd: physical address of cmd/tx buffer array
131 * @txb: array of per-TFD driver data
132 * @need_update: indicates need to update read/write index
133 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
5d08cd1d 134 *
bc47279f
BC		 135 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
136 * descriptors) and required locking structures.
5d08cd1d 137 */
bb8c093b
CH		 138struct iwl4965_tx_queue {
139 struct iwl4965_queue q;
140 struct iwl4965_tfd_frame *bd;
857485c0 141 struct iwl_cmd *cmd;
5d08cd1d 142 dma_addr_t dma_addr_cmd;
bb8c093b 143 struct iwl4965_tx_info *txb;
5d08cd1d
CH		 144 int need_update;
145 int sched_retry;
146 int active;
147};
148
149#define IWL_NUM_SCAN_RATES (2)
150
bb8c093b 151struct iwl4965_channel_tgd_info {
5d08cd1d
CH		 152 u8 type;
153 s8 max_power;
154};
155
bb8c093b 156struct iwl4965_channel_tgh_info {
5d08cd1d
CH		 157 s64 last_radar_time;
158};
159
160/* current Tx power values to use, one for each rate for each channel.
161 * requested power is limited by:
162 * -- regulatory EEPROM limits for this channel
163 * -- hardware capabilities (clip-powers)
164 * -- spectrum management
165 * -- user preference (e.g. iwconfig)
166 * when requested power is set, base power index must also be set. */
bb8c093b
CH		 167struct iwl4965_channel_power_info {
168 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 169 s8 power_table_index; /* actual (compenst'd) index into gain table */
170 s8 base_power_index; /* gain index for power at factory temp. */
171 s8 requested_power; /* power (dBm) requested for this chnl/rate */
172};
173
174/* current scan Tx power values to use, one for each scan rate for each
175 * channel. */
bb8c093b
CH		 176struct iwl4965_scan_power_info {
177 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 178 s8 power_table_index; /* actual (compenst'd) index into gain table */
179 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
180};
181
fcd427bb
BC		 182/* For fat_extension_channel */
183enum {
184 HT_IE_EXT_CHANNEL_NONE = 0,
185 HT_IE_EXT_CHANNEL_ABOVE,
186 HT_IE_EXT_CHANNEL_INVALID,
187 HT_IE_EXT_CHANNEL_BELOW,
188 HT_IE_EXT_CHANNEL_MAX
189};
190
5d08cd1d
CH		 191/*
192 * One for each channel, holds all channel setup data
193 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
194 * with one another!
195 */
196#define IWL4965_MAX_RATE (33)
197
bf85ea4f 198struct iwl_channel_info {
bb8c093b
CH		 199 struct iwl4965_channel_tgd_info tgd;
200 struct iwl4965_channel_tgh_info tgh;
fcd427bb
BC		 201 struct iwl4965_eeprom_channel eeprom; /* EEPROM regulatory limit */
202 struct iwl4965_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
203 * FAT channel */
5d08cd1d
CH		 204
205 u8 channel; /* channel number */
206 u8 flags; /* flags copied from EEPROM */
207 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
fcd427bb 208 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
5d08cd1d
CH		 209 s8 min_power; /* always 0 */
210 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
211
212 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
213 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
8318d78a 214 enum ieee80211_band band;
5d08cd1d
CH		 215
216 /* Radio/DSP gain settings for each "normal" data Tx rate.
217 * These include, in addition to RF and DSP gain, a few fields for
218 * remembering/modifying gain settings (indexes). */
bb8c093b 219 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
5d08cd1d
CH		 220
221 /* FAT channel info */
222 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
223 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
224 s8 fat_min_power; /* always 0 */
225 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
226 u8 fat_flags; /* flags copied from EEPROM */
fcd427bb 227 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
5d08cd1d
CH		 228
229 /* Radio/DSP gain settings for each scan rate, for directed scans. */
bb8c093b 230 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
5d08cd1d
CH		 231};
232
bb8c093b 233struct iwl4965_clip_group {
5d08cd1d
CH		 234 /* maximum power level to prevent clipping for each rate, derived by
235 * us from this band's saturation power in EEPROM */
236 const s8 clip_powers[IWL_MAX_RATES];
237};
238
239#include "iwl-4965-rs.h"
240
241#define IWL_TX_FIFO_AC0 0
242#define IWL_TX_FIFO_AC1 1
243#define IWL_TX_FIFO_AC2 2
244#define IWL_TX_FIFO_AC3 3
245#define IWL_TX_FIFO_HCCA_1 5
246#define IWL_TX_FIFO_HCCA_2 6
247#define IWL_TX_FIFO_NONE 7
248
249/* Minimum number of queues. MAX_NUM is defined in hw specific files */
250#define IWL_MIN_NUM_QUEUES 4
251
252/* Power management (not Tx power) structures */
253
bb8c093b
CH		 254struct iwl4965_power_vec_entry {
255 struct iwl4965_powertable_cmd cmd;
5d08cd1d
CH		 256 u8 no_dtim;
257};
258#define IWL_POWER_RANGE_0 (0)
259#define IWL_POWER_RANGE_1 (1)
260
261#define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
262#define IWL_POWER_INDEX_3 0x03
263#define IWL_POWER_INDEX_5 0x05
264#define IWL_POWER_AC 0x06
265#define IWL_POWER_BATTERY 0x07
266#define IWL_POWER_LIMIT 0x07
267#define IWL_POWER_MASK 0x0F
268#define IWL_POWER_ENABLED 0x10
269#define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
270
bb8c093b 271struct iwl4965_power_mgr {
5d08cd1d 272 spinlock_t lock;
bb8c093b
CH		 273 struct iwl4965_power_vec_entry pwr_range_0[IWL_POWER_AC];
274 struct iwl4965_power_vec_entry pwr_range_1[IWL_POWER_AC];
5d08cd1d
CH		 275 u8 active_index;
276 u32 dtim_val;
277};
278
279#define IEEE80211_DATA_LEN 2304
280#define IEEE80211_4ADDR_LEN 30
281#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
282#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
283
bb8c093b 284struct iwl4965_frame {
5d08cd1d
CH		 285 union {
286 struct ieee80211_hdr frame;
bb8c093b 287 struct iwl4965_tx_beacon_cmd beacon;
5d08cd1d
CH		 288 u8 raw[IEEE80211_FRAME_LEN];
289 u8 cmd[360];
290 } u;
291 struct list_head list;
292};
293
294#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
295#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
296#define SEQ_TO_INDEX(x) (x & 0xff)
297#define INDEX_TO_SEQ(x) (x & 0xff)
298#define SEQ_HUGE_FRAME (0x4000)
299#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
300#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
301#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
302#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
303
304enum {
305 /* CMD_SIZE_NORMAL = 0, */
306 CMD_SIZE_HUGE = (1 << 0),
307 /* CMD_SYNC = 0, */
308 CMD_ASYNC = (1 << 1),
309 /* CMD_NO_SKB = 0, */
310 CMD_WANT_SKB = (1 << 2),
311};
312
857485c0 313struct iwl_cmd;
c79dd5b5 314struct iwl_priv;
5d08cd1d 315
857485c0
TW		 316struct iwl_cmd_meta {
317 struct iwl_cmd_meta *source;
5d08cd1d
CH		 318 union {
319 struct sk_buff *skb;
c79dd5b5 320 int (*callback)(struct iwl_priv *priv,
857485c0 321 struct iwl_cmd *cmd, struct sk_buff *skb);
5d08cd1d
CH		 322 } __attribute__ ((packed)) u;
323
324 /* The CMD_SIZE_HUGE flag bit indicates that the command
325 * structure is stored at the end of the shared queue memory. */
326 u32 flags;
327
328} __attribute__ ((packed));
329
bc47279f 330/**
857485c0 331 * struct iwl_cmd
bc47279f
BC		 332 *
333 * For allocation of the command and tx queues, this establishes the overall
334 * size of the largest command we send to uCode, except for a scan command
335 * (which is relatively huge; space is allocated separately).
336 */
857485c0
TW		 337struct iwl_cmd {
338 struct iwl_cmd_meta meta; /* driver data */
339 struct iwl_cmd_header hdr; /* uCode API */
5d08cd1d 340 union {
bb8c093b
CH		 341 struct iwl4965_addsta_cmd addsta;
342 struct iwl4965_led_cmd led;
5d08cd1d
CH		 343 u32 flags;
344 u8 val8;
345 u16 val16;
346 u32 val32;
bb8c093b
CH		 347 struct iwl4965_bt_cmd bt;
348 struct iwl4965_rxon_time_cmd rxon_time;
349 struct iwl4965_powertable_cmd powertable;
350 struct iwl4965_qosparam_cmd qosparam;
351 struct iwl4965_tx_cmd tx;
352 struct iwl4965_tx_beacon_cmd tx_beacon;
353 struct iwl4965_rxon_assoc_cmd rxon_assoc;
5d08cd1d
CH		 354 u8 *indirect;
355 u8 payload[360];
356 } __attribute__ ((packed)) cmd;
357} __attribute__ ((packed));
358
857485c0 359struct iwl_host_cmd {
5d08cd1d
CH		 360 u8 id;
361 u16 len;
857485c0 362 struct iwl_cmd_meta meta;
5d08cd1d
CH		 363 const void *data;
364};
365
857485c0
TW		 366#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
367 sizeof(struct iwl_cmd_meta))
5d08cd1d
CH		 368
369/*
370 * RX related structures and functions
371 */
372#define RX_FREE_BUFFERS 64
373#define RX_LOW_WATERMARK 8
374
375#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
376#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
377#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
378
379/**
bb8c093b 380 * struct iwl4965_rx_queue - Rx queue
5d08cd1d
CH		 381 * @processed: Internal index to last handled Rx packet
382 * @read: Shared index to newest available Rx buffer
383 * @write: Shared index to oldest written Rx packet
384 * @free_count: Number of pre-allocated buffers in rx_free
385 * @rx_free: list of free SKBs for use
386 * @rx_used: List of Rx buffers with no SKB
387 * @need_update: flag to indicate we need to update read/write index
388 *
bb8c093b 389 * NOTE: rx_free and rx_used are used as a FIFO for iwl4965_rx_mem_buffers
5d08cd1d 390 */
bb8c093b 391struct iwl4965_rx_queue {
5d08cd1d
CH		 392 __le32 *bd;
393 dma_addr_t dma_addr;
bb8c093b
CH		 394 struct iwl4965_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
395 struct iwl4965_rx_mem_buffer *queue[RX_QUEUE_SIZE];
5d08cd1d
CH		 396 u32 processed;
397 u32 read;
398 u32 write;
399 u32 free_count;
400 struct list_head rx_free;
401 struct list_head rx_used;
402 int need_update;
403 spinlock_t lock;
404};
405
406#define IWL_SUPPORTED_RATES_IE_LEN 8
407
408#define SCAN_INTERVAL 100
409
410#define MAX_A_CHANNELS 252
411#define MIN_A_CHANNELS 7
412
413#define MAX_B_CHANNELS 14
414#define MIN_B_CHANNELS 1
415
416#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
417#define STATUS_INT_ENABLED 1
418#define STATUS_RF_KILL_HW 2
419#define STATUS_RF_KILL_SW 3
420#define STATUS_INIT 4
421#define STATUS_ALIVE 5
422#define STATUS_READY 6
423#define STATUS_TEMPERATURE 7
424#define STATUS_GEO_CONFIGURED 8
425#define STATUS_EXIT_PENDING 9
426#define STATUS_IN_SUSPEND 10
427#define STATUS_STATISTICS 11
428#define STATUS_SCANNING 12
429#define STATUS_SCAN_ABORTING 13
430#define STATUS_SCAN_HW 14
431#define STATUS_POWER_PMI 15
432#define STATUS_FW_ERROR 16
a0646470 433#define STATUS_CONF_PENDING 17
5d08cd1d
CH		 434
435#define MAX_TID_COUNT 9
436
437#define IWL_INVALID_RATE 0xFF
438#define IWL_INVALID_VALUE -1
439
c8b0e6e1 440#ifdef CONFIG_IWL4965_HT
bc47279f
BC		 441/**
442 * struct iwl4965_ht_agg -- aggregation status while waiting for block-ack
443 * @txq_id: Tx queue used for Tx attempt
444 * @frame_count: # frames attempted by Tx command
445 * @wait_for_ba: Expect block-ack before next Tx reply
446 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
447 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
448 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
449 * @rate_n_flags: Rate at which Tx was attempted
450 *
451 * If REPLY_TX indicates that aggregation was attempted, driver must wait
452 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
453 * until block ack arrives.
454 */
bb8c093b 455struct iwl4965_ht_agg {
5d08cd1d
CH		 456 u16 txq_id;
457 u16 frame_count;
458 u16 wait_for_ba;
459 u16 start_idx;
fe01b477 460 u64 bitmap;
5d08cd1d 461 u32 rate_n_flags;
fe01b477
RR		 462#define IWL_AGG_OFF 0
463#define IWL_AGG_ON 1
464#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
465#define IWL_EMPTYING_HW_QUEUE_DELBA 3
466 u8 state;
5d08cd1d 467};
fe01b477 468
c8b0e6e1 469#endif /* CONFIG_IWL4965_HT */
5d08cd1d 470
bb8c093b 471struct iwl4965_tid_data {
5d08cd1d 472 u16 seq_number;
fe01b477 473 u16 tfds_in_queue;
c8b0e6e1 474#ifdef CONFIG_IWL4965_HT
bb8c093b 475 struct iwl4965_ht_agg agg;
c8b0e6e1 476#endif /* CONFIG_IWL4965_HT */
5d08cd1d
CH		 477};
478
bb8c093b 479struct iwl4965_hw_key {
5d08cd1d
CH		 480 enum ieee80211_key_alg alg;
481 int keylen;
2bc75089 482 struct ieee80211_key_conf *conf;
5d08cd1d
CH		 483 u8 key[32];
484};
485
bb8c093b 486union iwl4965_ht_rate_supp {
5d08cd1d
CH		 487 u16 rates;
488 struct {
489 u8 siso_rate;
490 u8 mimo_rate;
491 };
492};
493
c8b0e6e1 494#ifdef CONFIG_IWL4965_HT
5d08cd1d 495#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
5d08cd1d
CH		 496#define CFG_HT_MPDU_DENSITY_2USEC (0x5)
497#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
498
9e0cc6de
RR		 499struct iwl_ht_info {
500 /* self configuration data */
5d08cd1d 501 u8 is_ht;
9e0cc6de 502 u8 supported_chan_width;
5d08cd1d 503 u16 tx_mimo_ps_mode;
9e0cc6de 504 u8 is_green_field;
bb54244b 505 u8 sgf; /* HT_SHORT_GI_* short guard interval */
5d08cd1d
CH		 506 u8 max_amsdu_size;
507 u8 ampdu_factor;
508 u8 mpdu_density;
9e0cc6de
RR		 509 u8 supp_mcs_set[16];
510 /* BSS related data */
511 u8 control_channel;
5d08cd1d 512 u8 extension_chan_offset;
5d08cd1d 513 u8 tx_chan_width;
9e0cc6de
RR		 514 u8 ht_protection;
515 u8 non_GF_STA_present;
5d08cd1d 516};
c8b0e6e1 517#endif /*CONFIG_IWL4965_HT */
5d08cd1d 518
bb8c093b 519union iwl4965_qos_capabity {
5d08cd1d
CH		 520 struct {
521 u8 edca_count:4; /* bit 0-3 */
522 u8 q_ack:1; /* bit 4 */
523 u8 queue_request:1; /* bit 5 */
524 u8 txop_request:1; /* bit 6 */
525 u8 reserved:1; /* bit 7 */
526 } q_AP;
527 struct {
528 u8 acvo_APSD:1; /* bit 0 */
529 u8 acvi_APSD:1; /* bit 1 */
530 u8 ac_bk_APSD:1; /* bit 2 */
531 u8 ac_be_APSD:1; /* bit 3 */
532 u8 q_ack:1; /* bit 4 */
533 u8 max_len:2; /* bit 5-6 */
534 u8 more_data_ack:1; /* bit 7 */
535 } q_STA;
536 u8 val;
537};
538
539/* QoS structures */
bb8c093b 540struct iwl4965_qos_info {
5d08cd1d
CH		 541 int qos_enable;
542 int qos_active;
bb8c093b
CH		 543 union iwl4965_qos_capabity qos_cap;
544 struct iwl4965_qosparam_cmd def_qos_parm;
5d08cd1d 545};
5d08cd1d
CH		 546
547#define STA_PS_STATUS_WAKE 0
548#define STA_PS_STATUS_SLEEP 1
549
bb8c093b
CH		 550struct iwl4965_station_entry {
551 struct iwl4965_addsta_cmd sta;
552 struct iwl4965_tid_data tid[MAX_TID_COUNT];
5d08cd1d
CH		 553 u8 used;
554 u8 ps_status;
bb8c093b 555 struct iwl4965_hw_key keyinfo;
5d08cd1d
CH		 556};
557
558/* one for each uCode image (inst/data, boot/init/runtime) */
559struct fw_desc {
560 void *v_addr; /* access by driver */
561 dma_addr_t p_addr; /* access by card's busmaster DMA */
562 u32 len; /* bytes */
563};
564
565/* uCode file layout */
bb8c093b 566struct iwl4965_ucode {
5d08cd1d
CH		 567 __le32 ver; /* major/minor/subminor */
568 __le32 inst_size; /* bytes of runtime instructions */
569 __le32 data_size; /* bytes of runtime data */
570 __le32 init_size; /* bytes of initialization instructions */
571 __le32 init_data_size; /* bytes of initialization data */
572 __le32 boot_size; /* bytes of bootstrap instructions */
573 u8 data[0]; /* data in same order as "size" elements */
574};
575
576#define IWL_IBSS_MAC_HASH_SIZE 32
577
bb8c093b 578struct iwl4965_ibss_seq {
5d08cd1d
CH		 579 u8 mac[ETH_ALEN];
580 u16 seq_num;
581 u16 frag_num;
582 unsigned long packet_time;
583 struct list_head list;
584};
585
bc47279f
BC		 586/**
587 * struct iwl4965_driver_hw_info
588 * @max_txq_num: Max # Tx queues supported
bc47279f 589 * @tx_cmd_len: Size of Tx command (but not including frame itself)
3e82a822 590 * @tx_ant_num: Number of TX antennas
bc47279f
BC		 591 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
592 * @rx_buffer_size:
593 * @max_rxq_log: Log-base-2 of max_rxq_size
594 * @max_stations:
595 * @bcast_sta_id:
596 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
597 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
598 */
bb8c093b 599struct iwl4965_driver_hw_info {
5d08cd1d 600 u16 max_txq_num;
5d08cd1d 601 u16 tx_cmd_len;
3e82a822 602 u16 tx_ant_num;
5d08cd1d 603 u16 max_rxq_size;
9ee1ba47
RR		 604 u32 rx_buf_size;
605 u32 max_pkt_size;
5d08cd1d
CH		 606 u16 max_rxq_log;
607 u8 max_stations;
608 u8 bcast_sta_id;
609 void *shared_virt;
610 dma_addr_t shared_phys;
611};
612
5d08cd1d
CH		 613#define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
614#define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
615
616
bb8c093b 617#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
5d08cd1d
CH		 618 x->u.rx_frame.stats.payload + \
619 x->u.rx_frame.stats.phy_count))
bb8c093b 620#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
5d08cd1d
CH		 621 IWL_RX_HDR(x)->payload + \
622 le16_to_cpu(IWL_RX_HDR(x)->len)))
623#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
624#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
625
626
627/******************************************************************************
628 *
629 * Functions implemented in iwl-base.c which are forward declared here
630 * for use by iwl-*.c
631 *
632 *****************************************************************************/
bb8c093b 633struct iwl4965_addsta_cmd;
c79dd5b5 634extern int iwl4965_send_add_station(struct iwl_priv *priv,
bb8c093b 635 struct iwl4965_addsta_cmd *sta, u8 flags);
c79dd5b5 636extern u8 iwl4965_add_station_flags(struct iwl_priv *priv, const u8 *addr,
67d62035 637 int is_ap, u8 flags, void *ht_data);
c79dd5b5 638extern int iwl4965_is_network_packet(struct iwl_priv *priv,
5d08cd1d 639 struct ieee80211_hdr *header);
c79dd5b5
TW		 640extern int iwl4965_power_init_handle(struct iwl_priv *priv);
641extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv,
bb8c093b 642 struct iwl4965_rx_mem_buffer *rxb,
5d08cd1d
CH		 643 void *data, short len,
644 struct ieee80211_rx_status *stats,
645 u16 phy_flags);
c79dd5b5 646extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv,
bb8c093b 647 struct ieee80211_hdr *header);
c79dd5b5
TW		 648extern int iwl4965_rx_queue_alloc(struct iwl_priv *priv);
649extern void iwl4965_rx_queue_reset(struct iwl_priv *priv,
bb8c093b
CH		 650 struct iwl4965_rx_queue *rxq);
651extern int iwl4965_calc_db_from_ratio(int sig_ratio);
652extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
c79dd5b5 653extern int iwl4965_tx_queue_init(struct iwl_priv *priv,
bb8c093b
CH		 654 struct iwl4965_tx_queue *txq, int count, u32 id);
655extern void iwl4965_rx_replenish(void *data);
c79dd5b5 656extern void iwl4965_tx_queue_free(struct iwl_priv *priv, struct iwl4965_tx_queue *txq);
c79dd5b5 657extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
5d08cd1d
CH		 658 struct ieee80211_hdr *hdr,
659 const u8 *dest, int left);
c79dd5b5 660extern int iwl4965_rx_queue_update_write_ptr(struct iwl_priv *priv,
bb8c093b 661 struct iwl4965_rx_queue *q);
c79dd5b5
TW		 662extern int iwl4965_send_statistics_request(struct iwl_priv *priv);
663extern void iwl4965_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb,
5d08cd1d
CH		 664 u32 decrypt_res,
665 struct ieee80211_rx_status *stats);
666extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
bf85ea4f
AK		 667int iwl4965_init_geos(struct iwl_priv *priv);
668void iwl4965_free_geos(struct iwl_priv *priv);
5d08cd1d 669
bb8c093b 670extern const u8 iwl4965_broadcast_addr[ETH_ALEN];
857485c0 671int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
5d08cd1d
CH		 672
673/*
674 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
675 * call this... todo... fix that.
676*/
c79dd5b5 677extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id,
5d08cd1d
CH		 678 u16 tx_rate, u8 flags);
679
680/******************************************************************************
681 *
682 * Functions implemented in iwl-[34]*.c which are forward declared here
683 * for use by iwl-base.c
684 *
685 * NOTE: The implementation of these functions are hardware specific
686 * which is why they are in the hardware specific files (vs. iwl-base.c)
687 *
688 * Naming convention --
bb8c093b
CH		 689 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
690 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
5d08cd1d 691 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
bb8c093b
CH		 692 * iwl4965_bg_ <-- Called from work queue context
693 * iwl4965_mac_ <-- mac80211 callback
5d08cd1d
CH		 694 *
695 ****************************************************************************/
c79dd5b5
TW		 696extern void iwl4965_hw_rx_handler_setup(struct iwl_priv *priv);
697extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
698extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
699extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv);
700extern int iwl4965_hw_set_hw_setting(struct iwl_priv *priv);
701extern int iwl4965_hw_nic_init(struct iwl_priv *priv);
702extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv);
703extern void iwl4965_hw_txq_ctx_free(struct iwl_priv *priv);
704extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv);
705extern int iwl4965_hw_nic_reset(struct iwl_priv *priv);
706extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
5d08cd1d 707 dma_addr_t addr, u16 len);
c79dd5b5
TW		 708extern int iwl4965_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl4965_tx_queue *txq);
709extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
710extern int iwl4965_hw_tx_queue_init(struct iwl_priv *priv,
bb8c093b 711 struct iwl4965_tx_queue *txq);
c79dd5b5 712extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
bb8c093b 713 struct iwl4965_frame *frame, u8 rate);
c79dd5b5
TW		 714extern int iwl4965_hw_get_rx_read(struct iwl_priv *priv);
715extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
857485c0 716 struct iwl_cmd *cmd,
5d08cd1d
CH		 717 struct ieee80211_tx_control *ctrl,
718 struct ieee80211_hdr *hdr,
719 int sta_id, int tx_id);
c79dd5b5
TW		 720extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
721extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
722extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
bb8c093b 723 struct iwl4965_rx_mem_buffer *rxb);
c79dd5b5
TW		 724extern void iwl4965_disable_events(struct iwl_priv *priv);
725extern int iwl4965_get_temperature(const struct iwl_priv *priv);
5d08cd1d
CH		 726
727/**
bb8c093b 728 * iwl4965_hw_find_station - Find station id for a given BSSID
5d08cd1d
CH		 729 * @bssid: MAC address of station ID to find
730 *
731 * NOTE: This should not be hardware specific but the code has
732 * not yet been merged into a single common layer for managing the
733 * station tables.
734 */
c79dd5b5 735extern u8 iwl4965_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
5d08cd1d 736
c79dd5b5
TW		 737extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
738extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
fe01b477 739extern int iwl4965_queue_space(const struct iwl4965_queue *q);
c79dd5b5 740struct iwl_priv;
b481de9c
ZY		 741
742/*
743 * Forward declare iwl-4965.c functions for iwl-base.c
744 */
c79dd5b5 745extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
bb8c093b 746 struct iwl4965_tx_queue *txq,
b481de9c 747 u16 byte_cnt);
c79dd5b5 748extern void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr,
b481de9c 749 int is_ap);
c79dd5b5
TW		 750extern void iwl4965_set_rxon_chain(struct iwl_priv *priv);
751extern int iwl4965_alive_notify(struct iwl_priv *priv);
752extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
753extern void iwl4965_chain_noise_reset(struct iwl_priv *priv);
754extern void iwl4965_init_sensitivity(struct iwl_priv *priv, u8 flags,
b481de9c 755 u8 force);
c79dd5b5
TW		 756extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
757extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
4c424e4c
RR		 758 u32 rate_n_flags,
759 struct ieee80211_tx_control *control);
b481de9c 760
c8b0e6e1 761#ifdef CONFIG_IWL4965_HT
1ea87396
AK		 762void iwl4965_init_ht_hw_capab(struct iwl_priv *priv,
763 struct ieee80211_ht_info *ht_info,
78330fdd 764 enum ieee80211_band band);
c79dd5b5 765void iwl4965_set_rxon_ht(struct iwl_priv *priv,
78330fdd 766 struct iwl_ht_info *ht_info);
c79dd5b5 767void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index,
67d62035 768 struct ieee80211_ht_info *sta_ht_inf);
78330fdd 769int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
9ab46173 770 enum ieee80211_ampdu_mlme_action action,
0df3ef45 771 const u8 *addr, u16 tid, u16 *ssn);
c79dd5b5 772int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
fe01b477 773 u8 tid, int txq_id);
78330fdd 774#else
1ea87396
AK		 775static inline void iwl4965_init_ht_hw_capab(struct iwl_priv *priv,
776 struct ieee80211_ht_info *ht_info,
78330fdd
TW		 777 enum ieee80211_band band) {}
778
c8b0e6e1 779#endif /*CONFIG_IWL4965_HT */
b481de9c
ZY		 780/* Structures, enum, and defines specific to the 4965 */
781
782#define IWL4965_KW_SIZE 0x1000 /*4k */
783
bb8c093b 784struct iwl4965_kw {
b481de9c
ZY		 785 dma_addr_t dma_addr;
786 void *v_addr;
787 size_t size;
788};
789
b481de9c
ZY		 790#define IWL_CHANNEL_WIDTH_20MHZ 0
791#define IWL_CHANNEL_WIDTH_40MHZ 1
792
793#define IWL_MIMO_PS_STATIC 0
794#define IWL_MIMO_PS_NONE 3
795#define IWL_MIMO_PS_DYNAMIC 1
796#define IWL_MIMO_PS_INVALID 2
797
798#define IWL_OPERATION_MODE_AUTO 0
799#define IWL_OPERATION_MODE_HT_ONLY 1
800#define IWL_OPERATION_MODE_MIXED 2
801#define IWL_OPERATION_MODE_20MHZ 3
802
134eb5d3
GC		 803#define IWL_EXT_CHANNEL_OFFSET_NONE 0
804#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
805#define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2
806#define IWL_EXT_CHANNEL_OFFSET_BELOW 3
b481de9c
ZY		 807
808#define NRG_NUM_PREV_STAT_L 20
809#define NUM_RX_CHAINS (3)
810
b481de9c 811#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
b481de9c 812
bb8c093b 813struct iwl4965_lq_mngr {
b481de9c
ZY		 814 spinlock_t lock;
815 s32 max_window_size;
816 s32 *expected_tpt;
817 u8 *next_higher_rate;
818 u8 *next_lower_rate;
819 unsigned long stamp;
820 unsigned long stamp_last;
821 u32 flush_time;
822 u32 tx_packets;
823 u8 lq_ready;
824};
825
b481de9c
ZY		 826/* Sensitivity and chain noise calibration */
827#define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
828#define INITIALIZATION_VALUE 0xFFFF
829#define CAL_NUM_OF_BEACONS 20
830#define MAXIMUM_ALLOWED_PATHLOSS 15
831
b481de9c
ZY		 832#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
833
834#define MAX_FA_OFDM 50
835#define MIN_FA_OFDM 5
836#define MAX_FA_CCK 50
837#define MIN_FA_CCK 5
838
839#define NRG_MIN_CCK 97
840#define NRG_MAX_CCK 0
841
842#define AUTO_CORR_MIN_OFDM 85
843#define AUTO_CORR_MIN_OFDM_MRC 170
844#define AUTO_CORR_MIN_OFDM_X1 105
845#define AUTO_CORR_MIN_OFDM_MRC_X1 220
846#define AUTO_CORR_MAX_OFDM 120
847#define AUTO_CORR_MAX_OFDM_MRC 210
848#define AUTO_CORR_MAX_OFDM_X1 140
849#define AUTO_CORR_MAX_OFDM_MRC_X1 270
850#define AUTO_CORR_STEP_OFDM 1
851
852#define AUTO_CORR_MIN_CCK (125)
853#define AUTO_CORR_MAX_CCK (200)
854#define AUTO_CORR_MIN_CCK_MRC 200
855#define AUTO_CORR_MAX_CCK_MRC 400
856#define AUTO_CORR_STEP_CCK 3
857#define AUTO_CORR_MAX_TH_CCK 160
858
b481de9c
ZY		 859#define NRG_DIFF 2
860#define NRG_STEP_CCK 2
861#define NRG_MARGIN 8
862#define MAX_NUMBER_CCK_NO_FA 100
863
864#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
865
866#define CHAIN_A 0
867#define CHAIN_B 1
868#define CHAIN_C 2
869#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
870#define ALL_BAND_FILTER 0xFF00
871#define IN_BAND_FILTER 0xFF
872#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
873
bb8c093b 874enum iwl4965_false_alarm_state {
b481de9c
ZY		 875 IWL_FA_TOO_MANY = 0,
876 IWL_FA_TOO_FEW = 1,
877 IWL_FA_GOOD_RANGE = 2,
878};
879
bb8c093b 880enum iwl4965_chain_noise_state {
b481de9c
ZY		 881 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
882 IWL_CHAIN_NOISE_ACCUMULATE = 1,
883 IWL_CHAIN_NOISE_CALIBRATED = 2,
884};
885
bb8c093b 886enum iwl4965_sensitivity_state {
b481de9c
ZY		 887 IWL_SENS_CALIB_ALLOWED = 0,
888 IWL_SENS_CALIB_NEED_REINIT = 1,
889};
890
bb8c093b 891enum iwl4965_calib_enabled_state {
b481de9c
ZY		 892 IWL_CALIB_DISABLED = 0, /* must be 0 */
893 IWL_CALIB_ENABLED = 1,
894};
895
896struct statistics_general_data {
897 u32 beacon_silence_rssi_a;
898 u32 beacon_silence_rssi_b;
899 u32 beacon_silence_rssi_c;
900 u32 beacon_energy_a;
901 u32 beacon_energy_b;
902 u32 beacon_energy_c;
903};
904
905/* Sensitivity calib data */
bb8c093b 906struct iwl4965_sensitivity_data {
b481de9c
ZY		 907 u32 auto_corr_ofdm;
908 u32 auto_corr_ofdm_mrc;
909 u32 auto_corr_ofdm_x1;
910 u32 auto_corr_ofdm_mrc_x1;
911 u32 auto_corr_cck;
912 u32 auto_corr_cck_mrc;
913
914 u32 last_bad_plcp_cnt_ofdm;
915 u32 last_fa_cnt_ofdm;
916 u32 last_bad_plcp_cnt_cck;
917 u32 last_fa_cnt_cck;
918
919 u32 nrg_curr_state;
920 u32 nrg_prev_state;
921 u32 nrg_value[10];
922 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
923 u32 nrg_silence_ref;
924 u32 nrg_energy_idx;
925 u32 nrg_silence_idx;
926 u32 nrg_th_cck;
927 s32 nrg_auto_corr_silence_diff;
928 u32 num_in_cck_no_fa;
929 u32 nrg_th_ofdm;
930
931 u8 state;
932};
933
934/* Chain noise (differential Rx gain) calib data */
bb8c093b 935struct iwl4965_chain_noise_data {
b481de9c
ZY		 936 u8 state;
937 u16 beacon_count;
938 u32 chain_noise_a;
939 u32 chain_noise_b;
940 u32 chain_noise_c;
941 u32 chain_signal_a;
942 u32 chain_signal_b;
943 u32 chain_signal_c;
944 u8 disconn_array[NUM_RX_CHAINS];
945 u8 delta_gain_code[NUM_RX_CHAINS];
946 u8 radio_write;
947};
948
abceddb4
BC		 949#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
950#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
b481de9c 951
5d08cd1d 952
c8b0e6e1 953#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d
CH		 954
955enum {
956 MEASUREMENT_READY = (1 << 0),
957 MEASUREMENT_ACTIVE = (1 << 1),
958};
959
960#endif
961
c79dd5b5 962struct iwl_priv {
5d08cd1d
CH		 963
964 /* ieee device used by generic ieee processing code */
965 struct ieee80211_hw *hw;
966 struct ieee80211_channel *ieee_channels;
967 struct ieee80211_rate *ieee_rates;
82b9a121 968 struct iwl_cfg *cfg;
5d08cd1d
CH		 969
970 /* temporary frame storage list */
971 struct list_head free_frames;
972 int frames_count;
973
8318d78a 974 enum ieee80211_band band;
5d08cd1d 975 int alloc_rxb_skb;
12342c47 976 bool add_radiotap;
5d08cd1d 977
c79dd5b5 978 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
bb8c093b 979 struct iwl4965_rx_mem_buffer *rxb);
5d08cd1d 980
8318d78a 981 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
5d08cd1d 982
c8b0e6e1 983#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d 984 /* spectrum measurement report caching */
bb8c093b 985 struct iwl4965_spectrum_notification measure_report;
5d08cd1d
CH		 986 u8 measurement_status;
987#endif
988 /* ucode beacon time */
989 u32 ucode_beacon_time;
990
bb8c093b 991 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
5d08cd1d 992 * Access via channel # using indirect index array */
bf85ea4f 993 struct iwl_channel_info *channel_info; /* channel info array */
5d08cd1d
CH		 994 u8 channel_count; /* # of channels */
995
996 /* each calibration channel group in the EEPROM has a derived
997 * clip setting for each rate. */
bb8c093b 998 const struct iwl4965_clip_group clip_groups[5];
5d08cd1d
CH		 999
1000 /* thermal calibration */
1001 s32 temperature; /* degrees Kelvin */
1002 s32 last_temperature;
1003
1004 /* Scan related variables */
1005 unsigned long last_scan_jiffies;
7878a5a4 1006 unsigned long next_scan_jiffies;
5d08cd1d
CH		 1007 unsigned long scan_start;
1008 unsigned long scan_pass_start;
1009 unsigned long scan_start_tsf;
1010 int scan_bands;
1011 int one_direct_scan;
1012 u8 direct_ssid_len;
1013 u8 direct_ssid[IW_ESSID_MAX_SIZE];
bb8c093b 1014 struct iwl4965_scan_cmd *scan;
5d08cd1d
CH		 1015 u8 only_active_channel;
1016
1017 /* spinlock */
1018 spinlock_t lock; /* protect general shared data */
1019 spinlock_t hcmd_lock; /* protect hcmd */
1020 struct mutex mutex;
1021
1022 /* basic pci-network driver stuff */
1023 struct pci_dev *pci_dev;
1024
1025 /* pci hardware address support */
1026 void __iomem *hw_base;
1027
1028 /* uCode images, save to reload in case of failure */
1029 struct fw_desc ucode_code; /* runtime inst */
1030 struct fw_desc ucode_data; /* runtime data original */
1031 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1032 struct fw_desc ucode_init; /* initialization inst */
1033 struct fw_desc ucode_init_data; /* initialization data */
1034 struct fw_desc ucode_boot; /* bootstrap inst */
1035
1036
bb8c093b 1037 struct iwl4965_rxon_time_cmd rxon_timing;
5d08cd1d
CH		 1038
1039 /* We declare this const so it can only be
1040 * changed via explicit cast within the
1041 * routines that actually update the physical
1042 * hardware */
bb8c093b
CH		 1043 const struct iwl4965_rxon_cmd active_rxon;
1044 struct iwl4965_rxon_cmd staging_rxon;
5d08cd1d
CH		 1045
1046 int error_recovering;
bb8c093b 1047 struct iwl4965_rxon_cmd recovery_rxon;
5d08cd1d
CH		 1048
1049 /* 1st responses from initialize and runtime uCode images.
1050 * 4965's initialize alive response contains some calibration data. */
bb8c093b
CH		 1051 struct iwl4965_init_alive_resp card_alive_init;
1052 struct iwl4965_alive_resp card_alive;
5d08cd1d 1053
ab53d8af
MA		 1054#ifdef CONFIG_IWL4965_LEDS
1055 struct iwl4965_led led[IWL_LED_TRG_MAX];
1056 unsigned long last_blink_time;
1057 u8 last_blink_rate;
1058 u8 allow_blinking;
1059 u64 led_tpt;
5d08cd1d
CH		 1060#endif
1061
1062 u16 active_rate;
1063 u16 active_rate_basic;
1064
1065 u8 call_post_assoc_from_beacon;
1066 u8 assoc_station_added;
1067 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
5d08cd1d 1068 u8 valid_antenna; /* Bit mask of antennas actually connected */
c8b0e6e1 1069#ifdef CONFIG_IWL4965_SENSITIVITY
bb8c093b
CH		 1070 struct iwl4965_sensitivity_data sensitivity_data;
1071 struct iwl4965_chain_noise_data chain_noise_data;
5d08cd1d
CH		 1072 u8 start_calib;
1073 __le16 sensitivity_tbl[HD_TABLE_SIZE];
c8b0e6e1 1074#endif /*CONFIG_IWL4965_SENSITIVITY*/
5d08cd1d 1075
c8b0e6e1 1076#ifdef CONFIG_IWL4965_HT
9e0cc6de 1077 struct iwl_ht_info current_ht_config;
5d08cd1d 1078#endif
5d08cd1d
CH		 1079 u8 last_phy_res[100];
1080
1081 /* Rate scaling data */
bb8c093b 1082 struct iwl4965_lq_mngr lq_mngr;
5d08cd1d
CH		 1083
1084 /* Rate scaling data */
1085 s8 data_retry_limit;
1086 u8 retry_rate;
1087
1088 wait_queue_head_t wait_command_queue;
1089
1090 int activity_timer_active;
1091
1092 /* Rx and Tx DMA processing queues */
bb8c093b
CH		 1093 struct iwl4965_rx_queue rxq;
1094 struct iwl4965_tx_queue txq[IWL_MAX_NUM_QUEUES];
5d08cd1d 1095 unsigned long txq_ctx_active_msk;
bb8c093b 1096 struct iwl4965_kw kw; /* keep warm address */
5d08cd1d
CH		 1097 u32 scd_base_addr; /* scheduler sram base address */
1098
1099 unsigned long status;
5d08cd1d
CH		 1100
1101 int last_rx_rssi; /* From Rx packet statisitics */
1102 int last_rx_noise; /* From beacon statistics */
1103
19758bef
TW		 1104 /* counts mgmt, ctl, and data packets */
1105 struct traffic_stats {
1106 u32 cnt;
1107 u64 bytes;
1108 } tx_stats[3], rx_stats[3];
1109
bb8c093b 1110 struct iwl4965_power_mgr power_data;
5d08cd1d 1111
bb8c093b 1112 struct iwl4965_notif_statistics statistics;
5d08cd1d
CH		 1113 unsigned long last_statistics_time;
1114
1115 /* context information */
1116 u8 essid[IW_ESSID_MAX_SIZE];
1117 u8 essid_len;
1118 u16 rates_mask;
1119
1120 u32 power_mode;
1121 u32 antenna;
1122 u8 bssid[ETH_ALEN];
1123 u16 rts_threshold;
1124 u8 mac_addr[ETH_ALEN];
1125
1126 /*station table variables */
1127 spinlock_t sta_lock;
1128 int num_stations;
bb8c093b 1129 struct iwl4965_station_entry stations[IWL_STATION_COUNT];
5d08cd1d
CH		 1130
1131 /* Indication if ieee80211_ops->open has been called */
1132 int is_open;
1133
1134 u8 mac80211_registered;
5d08cd1d
CH		 1135
1136 u32 notif_missed_beacons;
1137
1138 /* Rx'd packet timing information */
1139 u32 last_beacon_time;
1140 u64 last_tsf;
1141
1142 /* Duplicate packet detection */
1143 u16 last_seq_num;
1144 u16 last_frag_num;
1145 unsigned long last_packet_time;
bc47279f
BC		 1146
1147 /* Hash table for finding stations in IBSS network */
5d08cd1d
CH		 1148 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1149
1150 /* eeprom */
bb8c093b 1151 struct iwl4965_eeprom eeprom;
5d08cd1d
CH		 1152
1153 int iw_mode;
1154
1155 struct sk_buff *ibss_beacon;
1156
1157 /* Last Rx'd beacon timestamp */
1158 u32 timestamp0;
1159 u32 timestamp1;
1160 u16 beacon_int;
bb8c093b 1161 struct iwl4965_driver_hw_info hw_setting;
32bfd35d 1162 struct ieee80211_vif *vif;
5d08cd1d
CH		 1163
1164 /* Current association information needed to configure the
1165 * hardware */
1166 u16 assoc_id;
1167 u16 assoc_capability;
1168 u8 ps_mode;
1169
bb8c093b 1170 struct iwl4965_qos_info qos_data;
5d08cd1d
CH		 1171
1172 struct workqueue_struct *workqueue;
1173
1174 struct work_struct up;
1175 struct work_struct restart;
1176 struct work_struct calibrated_work;
1177 struct work_struct scan_completed;
1178 struct work_struct rx_replenish;
1179 struct work_struct rf_kill;
1180 struct work_struct abort_scan;
1181 struct work_struct update_link_led;
1182 struct work_struct auth_work;
1183 struct work_struct report_work;
1184 struct work_struct request_scan;
1185 struct work_struct beacon_update;
1186
1187 struct tasklet_struct irq_tasklet;
1188
1189 struct delayed_work init_alive_start;
1190 struct delayed_work alive_start;
1191 struct delayed_work activity_timer;
1192 struct delayed_work thermal_periodic;
1193 struct delayed_work gather_stats;
1194 struct delayed_work scan_check;
1195 struct delayed_work post_associate;
1196
1197#define IWL_DEFAULT_TX_POWER 0x0F
1198 s8 user_txpower_limit;
1199 s8 max_channel_txpower_limit;
1200
1201#ifdef CONFIG_PM
1202 u32 pm_state[16];
1203#endif
1204
0a6857e7 1205#ifdef CONFIG_IWLWIFI_DEBUG
5d08cd1d
CH		 1206 /* debugging info */
1207 u32 framecnt_to_us;
1208 atomic_t restrict_refcnt;
712b6cf5
TW		 1209#ifdef CONFIG_IWLWIFI_DEBUGFS
1210 /* debugfs */
1211 struct iwl_debugfs *dbgfs;
1212#endif /* CONFIG_IWLWIFI_DEBUGFS */
1213#endif /* CONFIG_IWLWIFI_DEBUG */
5d08cd1d
CH		 1214
1215 struct work_struct txpower_work;
c8b0e6e1 1216#ifdef CONFIG_IWL4965_SENSITIVITY
5d08cd1d
CH		 1217 struct work_struct sensitivity_work;
1218#endif
1219 struct work_struct statistics_work;
1220 struct timer_list statistics_periodic;
c79dd5b5 1221}; /*iwl_priv */
5d08cd1d 1222
c79dd5b5 1223static inline int iwl4965_is_associated(struct iwl_priv *priv)
5d08cd1d
CH		 1224{
1225 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1226}
1227
bf85ea4f 1228static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
5d08cd1d
CH		 1229{
1230 if (ch_info == NULL)
1231 return 0;
1232 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1233}
1234
bf85ea4f 1235static inline int is_channel_narrow(const struct iwl_channel_info *ch_info)
5d08cd1d
CH		 1236{
1237 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
1238}
1239
bf85ea4f 1240static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
5d08cd1d
CH		 1241{
1242 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1243}
1244
bf85ea4f 1245static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
5d08cd1d 1246{
8318d78a 1247 return ch_info->band == IEEE80211_BAND_5GHZ;
5d08cd1d
CH		 1248}
1249
bf85ea4f 1250static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
5d08cd1d 1251{
8318d78a 1252 return ch_info->band == IEEE80211_BAND_2GHZ;
5d08cd1d
CH		 1253}
1254
bf85ea4f 1255static inline int is_channel_passive(const struct iwl_channel_info *ch)
5d08cd1d
CH		 1256{
1257 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1258}
1259
bf85ea4f 1260static inline int is_channel_ibss(const struct iwl_channel_info *ch)
5d08cd1d
CH		 1261{
1262 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1263}
1264
8622e705 1265extern const struct iwl_channel_info *iwl_get_channel_info(
c79dd5b5 1266 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
5d08cd1d 1267
c79dd5b5 1268/* Requires full declaration of iwl_priv before including */
5d08cd1d 1269
bb8c093b 1270#endif /* __iwl4965_4965_h__ */
Linux 6.x block layer and io_uring tree(s)