projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
iwlwifi: Move HBUS address to iwl-csr.h
[linux-2.6-block.git] / drivers / net / wireless / iwlwifi / iwl-4965.h
CommitLineData
b481de9c
ZY		 1/******************************************************************************
2 *
3 * Copyright(c) 2003 - 2007 Intel Corporation. All rights reserved.
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"
43#include "iwl-4965-hw.h"
6f83eaa1 44#include "iwl-csr.h"
5d08cd1d
CH		 45#include "iwl-prph.h"
46#include "iwl-4965-debug.h"
47
48/* Default noise level to report when noise measurement is not available.
49 * This may be because we're:
50 * 1) Not associated (4965, no beacon statistics being sent to driver)
51 * 2) Scanning (noise measurement does not apply to associated channel)
52 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
53 * Use default noise value of -127 ... this is below the range of measurable
54 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
55 * Also, -127 works better than 0 when averaging frames with/without
56 * noise info (e.g. averaging might be done in app); measured dBm values are
57 * always negative ... using a negative value as the default keeps all
58 * averages within an s8's (used in some apps) range of negative values. */
59#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
60
61/* Module parameters accessible from iwl-*.c */
bb8c093b
CH		 62extern int iwl4965_param_hwcrypto;
63extern int iwl4965_param_queues_num;
9ee1ba47 64extern int iwl4965_param_amsdu_size_8K;
5d08cd1d 65
bb8c093b 66enum iwl4965_antenna {
5d08cd1d
CH		 67 IWL_ANTENNA_DIVERSITY,
68 IWL_ANTENNA_MAIN,
69 IWL_ANTENNA_AUX
70};
71
72/*
73 * RTS threshold here is total size [2347] minus 4 FCS bytes
74 * Per spec:
75 * a value of 0 means RTS on all data/management packets
76 * a value > max MSDU size means no RTS
77 * else RTS for data/management frames where MPDU is larger
78 * than RTS value.
79 */
80#define DEFAULT_RTS_THRESHOLD 2347U
81#define MIN_RTS_THRESHOLD 0U
82#define MAX_RTS_THRESHOLD 2347U
83#define MAX_MSDU_SIZE 2304U
84#define MAX_MPDU_SIZE 2346U
85#define DEFAULT_BEACON_INTERVAL 100U
86#define DEFAULT_SHORT_RETRY_LIMIT 7U
87#define DEFAULT_LONG_RETRY_LIMIT 4U
88
bb8c093b 89struct iwl4965_rx_mem_buffer {
5d08cd1d
CH		 90 dma_addr_t dma_addr;
91 struct sk_buff *skb;
92 struct list_head list;
93};
94
5d08cd1d
CH		 95/*
96 * Generic queue structure
97 *
98 * Contains common data for Rx and Tx queues
99 */
bb8c093b 100struct iwl4965_queue {
5d08cd1d
CH		 101 int n_bd; /* number of BDs in this queue */
102 int write_ptr; /* 1-st empty entry (index) host_w*/
103 int read_ptr; /* last used entry (index) host_r*/
104 dma_addr_t dma_addr; /* physical addr for BD's */
105 int n_window; /* safe queue window */
106 u32 id;
107 int low_mark; /* low watermark, resume queue if free
108 * space more than this */
109 int high_mark; /* high watermark, stop queue if free
110 * space less than this */
111} __attribute__ ((packed));
112
113#define MAX_NUM_OF_TBS (20)
114
bc47279f 115/* One for each TFD */
bb8c093b 116struct iwl4965_tx_info {
5d08cd1d
CH		 117 struct ieee80211_tx_status status;
118 struct sk_buff *skb[MAX_NUM_OF_TBS];
119};
120
121/**
bb8c093b 122 * struct iwl4965_tx_queue - Tx Queue for DMA
bc47279f
BC		 123 * @q: generic Rx/Tx queue descriptor
124 * @bd: base of circular buffer of TFDs
125 * @cmd: array of command/Tx buffers
126 * @dma_addr_cmd: physical address of cmd/tx buffer array
127 * @txb: array of per-TFD driver data
128 * @need_update: indicates need to update read/write index
129 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
5d08cd1d 130 *
bc47279f
BC		 131 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
132 * descriptors) and required locking structures.
5d08cd1d 133 */
bb8c093b
CH		 134struct iwl4965_tx_queue {
135 struct iwl4965_queue q;
136 struct iwl4965_tfd_frame *bd;
137 struct iwl4965_cmd *cmd;
5d08cd1d 138 dma_addr_t dma_addr_cmd;
bb8c093b 139 struct iwl4965_tx_info *txb;
5d08cd1d
CH		 140 int need_update;
141 int sched_retry;
142 int active;
143};
144
145#define IWL_NUM_SCAN_RATES (2)
146
bb8c093b 147struct iwl4965_channel_tgd_info {
5d08cd1d
CH		 148 u8 type;
149 s8 max_power;
150};
151
bb8c093b 152struct iwl4965_channel_tgh_info {
5d08cd1d
CH		 153 s64 last_radar_time;
154};
155
156/* current Tx power values to use, one for each rate for each channel.
157 * requested power is limited by:
158 * -- regulatory EEPROM limits for this channel
159 * -- hardware capabilities (clip-powers)
160 * -- spectrum management
161 * -- user preference (e.g. iwconfig)
162 * when requested power is set, base power index must also be set. */
bb8c093b
CH		 163struct iwl4965_channel_power_info {
164 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 165 s8 power_table_index; /* actual (compenst'd) index into gain table */
166 s8 base_power_index; /* gain index for power at factory temp. */
167 s8 requested_power; /* power (dBm) requested for this chnl/rate */
168};
169
170/* current scan Tx power values to use, one for each scan rate for each
171 * channel. */
bb8c093b
CH		 172struct iwl4965_scan_power_info {
173 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 174 s8 power_table_index; /* actual (compenst'd) index into gain table */
175 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
176};
177
fcd427bb
BC		 178/* For fat_extension_channel */
179enum {
180 HT_IE_EXT_CHANNEL_NONE = 0,
181 HT_IE_EXT_CHANNEL_ABOVE,
182 HT_IE_EXT_CHANNEL_INVALID,
183 HT_IE_EXT_CHANNEL_BELOW,
184 HT_IE_EXT_CHANNEL_MAX
185};
186
5d08cd1d
CH		 187/*
188 * One for each channel, holds all channel setup data
189 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
190 * with one another!
191 */
192#define IWL4965_MAX_RATE (33)
193
bb8c093b
CH		 194struct iwl4965_channel_info {
195 struct iwl4965_channel_tgd_info tgd;
196 struct iwl4965_channel_tgh_info tgh;
fcd427bb
BC		 197 struct iwl4965_eeprom_channel eeprom; /* EEPROM regulatory limit */
198 struct iwl4965_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
199 * FAT channel */
5d08cd1d
CH		 200
201 u8 channel; /* channel number */
202 u8 flags; /* flags copied from EEPROM */
203 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
fcd427bb 204 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
5d08cd1d
CH		 205 s8 min_power; /* always 0 */
206 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
207
208 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
209 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
8318d78a 210 enum ieee80211_band band;
5d08cd1d
CH		 211
212 /* Radio/DSP gain settings for each "normal" data Tx rate.
213 * These include, in addition to RF and DSP gain, a few fields for
214 * remembering/modifying gain settings (indexes). */
bb8c093b 215 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
5d08cd1d
CH		 216
217 /* FAT channel info */
218 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
219 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
220 s8 fat_min_power; /* always 0 */
221 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
222 u8 fat_flags; /* flags copied from EEPROM */
fcd427bb 223 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
5d08cd1d
CH		 224
225 /* Radio/DSP gain settings for each scan rate, for directed scans. */
bb8c093b 226 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
5d08cd1d
CH		 227};
228
bb8c093b 229struct iwl4965_clip_group {
5d08cd1d
CH		 230 /* maximum power level to prevent clipping for each rate, derived by
231 * us from this band's saturation power in EEPROM */
232 const s8 clip_powers[IWL_MAX_RATES];
233};
234
235#include "iwl-4965-rs.h"
236
237#define IWL_TX_FIFO_AC0 0
238#define IWL_TX_FIFO_AC1 1
239#define IWL_TX_FIFO_AC2 2
240#define IWL_TX_FIFO_AC3 3
241#define IWL_TX_FIFO_HCCA_1 5
242#define IWL_TX_FIFO_HCCA_2 6
243#define IWL_TX_FIFO_NONE 7
244
245/* Minimum number of queues. MAX_NUM is defined in hw specific files */
246#define IWL_MIN_NUM_QUEUES 4
247
248/* Power management (not Tx power) structures */
249
bb8c093b
CH		 250struct iwl4965_power_vec_entry {
251 struct iwl4965_powertable_cmd cmd;
5d08cd1d
CH		 252 u8 no_dtim;
253};
254#define IWL_POWER_RANGE_0 (0)
255#define IWL_POWER_RANGE_1 (1)
256
257#define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
258#define IWL_POWER_INDEX_3 0x03
259#define IWL_POWER_INDEX_5 0x05
260#define IWL_POWER_AC 0x06
261#define IWL_POWER_BATTERY 0x07
262#define IWL_POWER_LIMIT 0x07
263#define IWL_POWER_MASK 0x0F
264#define IWL_POWER_ENABLED 0x10
265#define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
266
bb8c093b 267struct iwl4965_power_mgr {
5d08cd1d 268 spinlock_t lock;
bb8c093b
CH		 269 struct iwl4965_power_vec_entry pwr_range_0[IWL_POWER_AC];
270 struct iwl4965_power_vec_entry pwr_range_1[IWL_POWER_AC];
5d08cd1d
CH		 271 u8 active_index;
272 u32 dtim_val;
273};
274
275#define IEEE80211_DATA_LEN 2304
276#define IEEE80211_4ADDR_LEN 30
277#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
278#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
279
bb8c093b 280struct iwl4965_frame {
5d08cd1d
CH		 281 union {
282 struct ieee80211_hdr frame;
bb8c093b 283 struct iwl4965_tx_beacon_cmd beacon;
5d08cd1d
CH		 284 u8 raw[IEEE80211_FRAME_LEN];
285 u8 cmd[360];
286 } u;
287 struct list_head list;
288};
289
290#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
291#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
292#define SEQ_TO_INDEX(x) (x & 0xff)
293#define INDEX_TO_SEQ(x) (x & 0xff)
294#define SEQ_HUGE_FRAME (0x4000)
295#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
296#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
297#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
298#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
299
300enum {
301 /* CMD_SIZE_NORMAL = 0, */
302 CMD_SIZE_HUGE = (1 << 0),
303 /* CMD_SYNC = 0, */
304 CMD_ASYNC = (1 << 1),
305 /* CMD_NO_SKB = 0, */
306 CMD_WANT_SKB = (1 << 2),
307};
308
bb8c093b
CH		 309struct iwl4965_cmd;
310struct iwl4965_priv;
5d08cd1d 311
bb8c093b
CH		 312struct iwl4965_cmd_meta {
313 struct iwl4965_cmd_meta *source;
5d08cd1d
CH		 314 union {
315 struct sk_buff *skb;
bb8c093b
CH		 316 int (*callback)(struct iwl4965_priv *priv,
317 struct iwl4965_cmd *cmd, struct sk_buff *skb);
5d08cd1d
CH		 318 } __attribute__ ((packed)) u;
319
320 /* The CMD_SIZE_HUGE flag bit indicates that the command
321 * structure is stored at the end of the shared queue memory. */
322 u32 flags;
323
324} __attribute__ ((packed));
325
bc47279f
BC		 326/**
327 * struct iwl4965_cmd
328 *
329 * For allocation of the command and tx queues, this establishes the overall
330 * size of the largest command we send to uCode, except for a scan command
331 * (which is relatively huge; space is allocated separately).
332 */
bb8c093b 333struct iwl4965_cmd {
bc47279f
BC		 334 struct iwl4965_cmd_meta meta; /* driver data */
335 struct iwl4965_cmd_header hdr; /* uCode API */
5d08cd1d 336 union {
bb8c093b
CH		 337 struct iwl4965_addsta_cmd addsta;
338 struct iwl4965_led_cmd led;
5d08cd1d
CH		 339 u32 flags;
340 u8 val8;
341 u16 val16;
342 u32 val32;
bb8c093b
CH		 343 struct iwl4965_bt_cmd bt;
344 struct iwl4965_rxon_time_cmd rxon_time;
345 struct iwl4965_powertable_cmd powertable;
346 struct iwl4965_qosparam_cmd qosparam;
347 struct iwl4965_tx_cmd tx;
348 struct iwl4965_tx_beacon_cmd tx_beacon;
349 struct iwl4965_rxon_assoc_cmd rxon_assoc;
5d08cd1d
CH		 350 u8 *indirect;
351 u8 payload[360];
352 } __attribute__ ((packed)) cmd;
353} __attribute__ ((packed));
354
bb8c093b 355struct iwl4965_host_cmd {
5d08cd1d
CH		 356 u8 id;
357 u16 len;
bb8c093b 358 struct iwl4965_cmd_meta meta;
5d08cd1d
CH		 359 const void *data;
360};
361
bb8c093b
CH		 362#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl4965_cmd) - \
363 sizeof(struct iwl4965_cmd_meta))
5d08cd1d
CH		 364
365/*
366 * RX related structures and functions
367 */
368#define RX_FREE_BUFFERS 64
369#define RX_LOW_WATERMARK 8
370
371#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
372#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
373#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
374
375/**
bb8c093b 376 * struct iwl4965_rx_queue - Rx queue
5d08cd1d
CH		 377 * @processed: Internal index to last handled Rx packet
378 * @read: Shared index to newest available Rx buffer
379 * @write: Shared index to oldest written Rx packet
380 * @free_count: Number of pre-allocated buffers in rx_free
381 * @rx_free: list of free SKBs for use
382 * @rx_used: List of Rx buffers with no SKB
383 * @need_update: flag to indicate we need to update read/write index
384 *
bb8c093b 385 * NOTE: rx_free and rx_used are used as a FIFO for iwl4965_rx_mem_buffers
5d08cd1d 386 */
bb8c093b 387struct iwl4965_rx_queue {
5d08cd1d
CH		 388 __le32 *bd;
389 dma_addr_t dma_addr;
bb8c093b
CH		 390 struct iwl4965_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
391 struct iwl4965_rx_mem_buffer *queue[RX_QUEUE_SIZE];
5d08cd1d
CH		 392 u32 processed;
393 u32 read;
394 u32 write;
395 u32 free_count;
396 struct list_head rx_free;
397 struct list_head rx_used;
398 int need_update;
399 spinlock_t lock;
400};
401
402#define IWL_SUPPORTED_RATES_IE_LEN 8
403
404#define SCAN_INTERVAL 100
405
406#define MAX_A_CHANNELS 252
407#define MIN_A_CHANNELS 7
408
409#define MAX_B_CHANNELS 14
410#define MIN_B_CHANNELS 1
411
412#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
413#define STATUS_INT_ENABLED 1
414#define STATUS_RF_KILL_HW 2
415#define STATUS_RF_KILL_SW 3
416#define STATUS_INIT 4
417#define STATUS_ALIVE 5
418#define STATUS_READY 6
419#define STATUS_TEMPERATURE 7
420#define STATUS_GEO_CONFIGURED 8
421#define STATUS_EXIT_PENDING 9
422#define STATUS_IN_SUSPEND 10
423#define STATUS_STATISTICS 11
424#define STATUS_SCANNING 12
425#define STATUS_SCAN_ABORTING 13
426#define STATUS_SCAN_HW 14
427#define STATUS_POWER_PMI 15
428#define STATUS_FW_ERROR 16
a0646470 429#define STATUS_CONF_PENDING 17
5d08cd1d
CH		 430
431#define MAX_TID_COUNT 9
432
433#define IWL_INVALID_RATE 0xFF
434#define IWL_INVALID_VALUE -1
435
c8b0e6e1 436#ifdef CONFIG_IWL4965_HT
bc47279f
BC		 437/**
438 * struct iwl4965_ht_agg -- aggregation status while waiting for block-ack
439 * @txq_id: Tx queue used for Tx attempt
440 * @frame_count: # frames attempted by Tx command
441 * @wait_for_ba: Expect block-ack before next Tx reply
442 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
443 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
444 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
445 * @rate_n_flags: Rate at which Tx was attempted
446 *
447 * If REPLY_TX indicates that aggregation was attempted, driver must wait
448 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
449 * until block ack arrives.
450 */
bb8c093b 451struct iwl4965_ht_agg {
5d08cd1d
CH		 452 u16 txq_id;
453 u16 frame_count;
454 u16 wait_for_ba;
455 u16 start_idx;
fe01b477 456 u64 bitmap;
5d08cd1d 457 u32 rate_n_flags;
fe01b477
RR		 458#define IWL_AGG_OFF 0
459#define IWL_AGG_ON 1
460#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
461#define IWL_EMPTYING_HW_QUEUE_DELBA 3
462 u8 state;
5d08cd1d 463};
fe01b477 464
c8b0e6e1 465#endif /* CONFIG_IWL4965_HT */
5d08cd1d 466
bb8c093b 467struct iwl4965_tid_data {
5d08cd1d 468 u16 seq_number;
fe01b477 469 u16 tfds_in_queue;
c8b0e6e1 470#ifdef CONFIG_IWL4965_HT
bb8c093b 471 struct iwl4965_ht_agg agg;
c8b0e6e1 472#endif /* CONFIG_IWL4965_HT */
5d08cd1d
CH		 473};
474
bb8c093b 475struct iwl4965_hw_key {
5d08cd1d
CH		 476 enum ieee80211_key_alg alg;
477 int keylen;
478 u8 key[32];
479};
480
bb8c093b 481union iwl4965_ht_rate_supp {
5d08cd1d
CH		 482 u16 rates;
483 struct {
484 u8 siso_rate;
485 u8 mimo_rate;
486 };
487};
488
c8b0e6e1 489#ifdef CONFIG_IWL4965_HT
5d08cd1d 490#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
5d08cd1d
CH		 491#define CFG_HT_MPDU_DENSITY_2USEC (0x5)
492#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
493
9e0cc6de
RR		 494struct iwl_ht_info {
495 /* self configuration data */
5d08cd1d 496 u8 is_ht;
9e0cc6de 497 u8 supported_chan_width;
5d08cd1d 498 u16 tx_mimo_ps_mode;
9e0cc6de 499 u8 is_green_field;
bb54244b 500 u8 sgf; /* HT_SHORT_GI_* short guard interval */
5d08cd1d
CH		 501 u8 max_amsdu_size;
502 u8 ampdu_factor;
503 u8 mpdu_density;
9e0cc6de
RR		 504 u8 supp_mcs_set[16];
505 /* BSS related data */
506 u8 control_channel;
5d08cd1d 507 u8 extension_chan_offset;
5d08cd1d 508 u8 tx_chan_width;
9e0cc6de
RR		 509 u8 ht_protection;
510 u8 non_GF_STA_present;
5d08cd1d 511};
c8b0e6e1 512#endif /*CONFIG_IWL4965_HT */
5d08cd1d 513
bb8c093b 514union iwl4965_qos_capabity {
5d08cd1d
CH		 515 struct {
516 u8 edca_count:4; /* bit 0-3 */
517 u8 q_ack:1; /* bit 4 */
518 u8 queue_request:1; /* bit 5 */
519 u8 txop_request:1; /* bit 6 */
520 u8 reserved:1; /* bit 7 */
521 } q_AP;
522 struct {
523 u8 acvo_APSD:1; /* bit 0 */
524 u8 acvi_APSD:1; /* bit 1 */
525 u8 ac_bk_APSD:1; /* bit 2 */
526 u8 ac_be_APSD:1; /* bit 3 */
527 u8 q_ack:1; /* bit 4 */
528 u8 max_len:2; /* bit 5-6 */
529 u8 more_data_ack:1; /* bit 7 */
530 } q_STA;
531 u8 val;
532};
533
534/* QoS structures */
bb8c093b 535struct iwl4965_qos_info {
5d08cd1d
CH		 536 int qos_enable;
537 int qos_active;
bb8c093b
CH		 538 union iwl4965_qos_capabity qos_cap;
539 struct iwl4965_qosparam_cmd def_qos_parm;
5d08cd1d 540};
5d08cd1d
CH		 541
542#define STA_PS_STATUS_WAKE 0
543#define STA_PS_STATUS_SLEEP 1
544
bb8c093b
CH		 545struct iwl4965_station_entry {
546 struct iwl4965_addsta_cmd sta;
547 struct iwl4965_tid_data tid[MAX_TID_COUNT];
5d08cd1d
CH		 548 u8 used;
549 u8 ps_status;
bb8c093b 550 struct iwl4965_hw_key keyinfo;
5d08cd1d
CH		 551};
552
553/* one for each uCode image (inst/data, boot/init/runtime) */
554struct fw_desc {
555 void *v_addr; /* access by driver */
556 dma_addr_t p_addr; /* access by card's busmaster DMA */
557 u32 len; /* bytes */
558};
559
560/* uCode file layout */
bb8c093b 561struct iwl4965_ucode {
5d08cd1d
CH		 562 __le32 ver; /* major/minor/subminor */
563 __le32 inst_size; /* bytes of runtime instructions */
564 __le32 data_size; /* bytes of runtime data */
565 __le32 init_size; /* bytes of initialization instructions */
566 __le32 init_data_size; /* bytes of initialization data */
567 __le32 boot_size; /* bytes of bootstrap instructions */
568 u8 data[0]; /* data in same order as "size" elements */
569};
570
571#define IWL_IBSS_MAC_HASH_SIZE 32
572
bb8c093b 573struct iwl4965_ibss_seq {
5d08cd1d
CH		 574 u8 mac[ETH_ALEN];
575 u16 seq_num;
576 u16 frag_num;
577 unsigned long packet_time;
578 struct list_head list;
579};
580
bc47279f
BC		 581/**
582 * struct iwl4965_driver_hw_info
583 * @max_txq_num: Max # Tx queues supported
bc47279f 584 * @tx_cmd_len: Size of Tx command (but not including frame itself)
3e82a822 585 * @tx_ant_num: Number of TX antennas
bc47279f
BC		 586 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
587 * @rx_buffer_size:
588 * @max_rxq_log: Log-base-2 of max_rxq_size
589 * @max_stations:
590 * @bcast_sta_id:
591 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
592 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
593 */
bb8c093b 594struct iwl4965_driver_hw_info {
5d08cd1d 595 u16 max_txq_num;
5d08cd1d 596 u16 tx_cmd_len;
3e82a822 597 u16 tx_ant_num;
5d08cd1d 598 u16 max_rxq_size;
9ee1ba47
RR		 599 u32 rx_buf_size;
600 u32 max_pkt_size;
5d08cd1d
CH		 601 u16 max_rxq_log;
602 u8 max_stations;
603 u8 bcast_sta_id;
604 void *shared_virt;
605 dma_addr_t shared_phys;
606};
607
5d08cd1d
CH		 608#define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
609#define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
610
611
bb8c093b 612#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
5d08cd1d
CH		 613 x->u.rx_frame.stats.payload + \
614 x->u.rx_frame.stats.phy_count))
bb8c093b 615#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
5d08cd1d
CH		 616 IWL_RX_HDR(x)->payload + \
617 le16_to_cpu(IWL_RX_HDR(x)->len)))
618#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
619#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
620
621
622/******************************************************************************
623 *
624 * Functions implemented in iwl-base.c which are forward declared here
625 * for use by iwl-*.c
626 *
627 *****************************************************************************/
bb8c093b
CH		 628struct iwl4965_addsta_cmd;
629extern int iwl4965_send_add_station(struct iwl4965_priv *priv,
630 struct iwl4965_addsta_cmd *sta, u8 flags);
67d62035
RR		 631extern u8 iwl4965_add_station_flags(struct iwl4965_priv *priv, const u8 *addr,
632 int is_ap, u8 flags, void *ht_data);
bb8c093b 633extern int iwl4965_is_network_packet(struct iwl4965_priv *priv,
5d08cd1d 634 struct ieee80211_hdr *header);
bb8c093b
CH		 635extern int iwl4965_power_init_handle(struct iwl4965_priv *priv);
636extern int iwl4965_eeprom_init(struct iwl4965_priv *priv);
bb8c093b
CH		 637extern void iwl4965_handle_data_packet_monitor(struct iwl4965_priv *priv,
638 struct iwl4965_rx_mem_buffer *rxb,
5d08cd1d
CH		 639 void *data, short len,
640 struct ieee80211_rx_status *stats,
641 u16 phy_flags);
bb8c093b
CH		 642extern int iwl4965_is_duplicate_packet(struct iwl4965_priv *priv,
643 struct ieee80211_hdr *header);
644extern int iwl4965_rx_queue_alloc(struct iwl4965_priv *priv);
645extern void iwl4965_rx_queue_reset(struct iwl4965_priv *priv,
646 struct iwl4965_rx_queue *rxq);
647extern int iwl4965_calc_db_from_ratio(int sig_ratio);
648extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
649extern int iwl4965_tx_queue_init(struct iwl4965_priv *priv,
650 struct iwl4965_tx_queue *txq, int count, u32 id);
651extern void iwl4965_rx_replenish(void *data);
652extern void iwl4965_tx_queue_free(struct iwl4965_priv *priv, struct iwl4965_tx_queue *txq);
653extern int iwl4965_send_cmd_pdu(struct iwl4965_priv *priv, u8 id, u16 len,
5d08cd1d 654 const void *data);
bb8c093b
CH		 655extern int __must_check iwl4965_send_cmd(struct iwl4965_priv *priv,
656 struct iwl4965_host_cmd *cmd);
657extern unsigned int iwl4965_fill_beacon_frame(struct iwl4965_priv *priv,
5d08cd1d
CH		 658 struct ieee80211_hdr *hdr,
659 const u8 *dest, int left);
bb8c093b
CH		 660extern int iwl4965_rx_queue_update_write_ptr(struct iwl4965_priv *priv,
661 struct iwl4965_rx_queue *q);
662extern int iwl4965_send_statistics_request(struct iwl4965_priv *priv);
663extern void iwl4965_set_decrypted_flag(struct iwl4965_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);
667
bb8c093b 668extern const u8 iwl4965_broadcast_addr[ETH_ALEN];
5d08cd1d
CH		 669
670/*
671 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
672 * call this... todo... fix that.
673*/
bb8c093b 674extern u8 iwl4965_sync_station(struct iwl4965_priv *priv, int sta_id,
5d08cd1d
CH		 675 u16 tx_rate, u8 flags);
676
677/******************************************************************************
678 *
679 * Functions implemented in iwl-[34]*.c which are forward declared here
680 * for use by iwl-base.c
681 *
682 * NOTE: The implementation of these functions are hardware specific
683 * which is why they are in the hardware specific files (vs. iwl-base.c)
684 *
685 * Naming convention --
bb8c093b
CH		 686 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
687 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
5d08cd1d 688 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
bb8c093b
CH		 689 * iwl4965_bg_ <-- Called from work queue context
690 * iwl4965_mac_ <-- mac80211 callback
5d08cd1d
CH		 691 *
692 ****************************************************************************/
bb8c093b
CH		 693extern void iwl4965_hw_rx_handler_setup(struct iwl4965_priv *priv);
694extern void iwl4965_hw_setup_deferred_work(struct iwl4965_priv *priv);
695extern void iwl4965_hw_cancel_deferred_work(struct iwl4965_priv *priv);
696extern int iwl4965_hw_rxq_stop(struct iwl4965_priv *priv);
697extern int iwl4965_hw_set_hw_setting(struct iwl4965_priv *priv);
698extern int iwl4965_hw_nic_init(struct iwl4965_priv *priv);
699extern int iwl4965_hw_nic_stop_master(struct iwl4965_priv *priv);
700extern void iwl4965_hw_txq_ctx_free(struct iwl4965_priv *priv);
701extern void iwl4965_hw_txq_ctx_stop(struct iwl4965_priv *priv);
702extern int iwl4965_hw_nic_reset(struct iwl4965_priv *priv);
703extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl4965_priv *priv, void *tfd,
5d08cd1d 704 dma_addr_t addr, u16 len);
bb8c093b
CH		 705extern int iwl4965_hw_txq_free_tfd(struct iwl4965_priv *priv, struct iwl4965_tx_queue *txq);
706extern int iwl4965_hw_get_temperature(struct iwl4965_priv *priv);
707extern int iwl4965_hw_tx_queue_init(struct iwl4965_priv *priv,
708 struct iwl4965_tx_queue *txq);
709extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl4965_priv *priv,
710 struct iwl4965_frame *frame, u8 rate);
711extern int iwl4965_hw_get_rx_read(struct iwl4965_priv *priv);
712extern void iwl4965_hw_build_tx_cmd_rate(struct iwl4965_priv *priv,
713 struct iwl4965_cmd *cmd,
5d08cd1d
CH		 714 struct ieee80211_tx_control *ctrl,
715 struct ieee80211_hdr *hdr,
716 int sta_id, int tx_id);
bb8c093b
CH		 717extern int iwl4965_hw_reg_send_txpower(struct iwl4965_priv *priv);
718extern int iwl4965_hw_reg_set_txpower(struct iwl4965_priv *priv, s8 power);
719extern void iwl4965_hw_rx_statistics(struct iwl4965_priv *priv,
720 struct iwl4965_rx_mem_buffer *rxb);
721extern void iwl4965_disable_events(struct iwl4965_priv *priv);
722extern int iwl4965_get_temperature(const struct iwl4965_priv *priv);
5d08cd1d
CH		 723
724/**
bb8c093b 725 * iwl4965_hw_find_station - Find station id for a given BSSID
5d08cd1d
CH		 726 * @bssid: MAC address of station ID to find
727 *
728 * NOTE: This should not be hardware specific but the code has
729 * not yet been merged into a single common layer for managing the
730 * station tables.
731 */
bb8c093b 732extern u8 iwl4965_hw_find_station(struct iwl4965_priv *priv, const u8 *bssid);
5d08cd1d 733
bb8c093b
CH		 734extern int iwl4965_hw_channel_switch(struct iwl4965_priv *priv, u16 channel);
735extern int iwl4965_tx_queue_reclaim(struct iwl4965_priv *priv, int txq_id, int index);
fe01b477 736extern int iwl4965_queue_space(const struct iwl4965_queue *q);
bb8c093b 737struct iwl4965_priv;
b481de9c
ZY		 738
739/*
740 * Forward declare iwl-4965.c functions for iwl-base.c
741 */
bb8c093b 742extern int iwl4965_eeprom_acquire_semaphore(struct iwl4965_priv *priv);
b481de9c 743
bb8c093b
CH		 744extern int iwl4965_tx_queue_update_wr_ptr(struct iwl4965_priv *priv,
745 struct iwl4965_tx_queue *txq,
b481de9c 746 u16 byte_cnt);
bb8c093b 747extern void iwl4965_add_station(struct iwl4965_priv *priv, const u8 *addr,
b481de9c 748 int is_ap);
bb8c093b 749extern void iwl4965_set_rxon_chain(struct iwl4965_priv *priv);
bb8c093b
CH		 750extern int iwl4965_alive_notify(struct iwl4965_priv *priv);
751extern void iwl4965_update_rate_scaling(struct iwl4965_priv *priv, u8 mode);
bb8c093b
CH		 752extern void iwl4965_chain_noise_reset(struct iwl4965_priv *priv);
753extern void iwl4965_init_sensitivity(struct iwl4965_priv *priv, u8 flags,
b481de9c 754 u8 force);
8318d78a
JB		 755extern int iwl4965_set_fat_chan_info(struct iwl4965_priv *priv,
756 enum ieee80211_band band,
b481de9c 757 u16 channel,
bb8c093b 758 const struct iwl4965_eeprom_channel *eeprom_ch,
b481de9c 759 u8 fat_extension_channel);
bb8c093b 760extern void iwl4965_rf_kill_ct_config(struct iwl4965_priv *priv);
4c424e4c
RR		 761extern void iwl4965_hwrate_to_tx_control(struct iwl4965_priv *priv,
762 u32 rate_n_flags,
763 struct ieee80211_tx_control *control);
b481de9c 764
c8b0e6e1 765#ifdef CONFIG_IWL4965_HT
78330fdd
TW		 766void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info,
767 enum ieee80211_band band);
768void iwl4965_set_rxon_ht(struct iwl4965_priv *priv,
769 struct iwl_ht_info *ht_info);
770void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index,
67d62035 771 struct ieee80211_ht_info *sta_ht_inf);
78330fdd 772int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
9ab46173 773 enum ieee80211_ampdu_mlme_action action,
0df3ef45 774 const u8 *addr, u16 tid, u16 *ssn);
78330fdd 775int iwl4965_check_empty_hw_queue(struct iwl4965_priv *priv, int sta_id,
fe01b477 776 u8 tid, int txq_id);
78330fdd
TW		 777#else
778static inline void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info,
779 enum ieee80211_band band) {}
780
c8b0e6e1 781#endif /*CONFIG_IWL4965_HT */
b481de9c
ZY		 782/* Structures, enum, and defines specific to the 4965 */
783
784#define IWL4965_KW_SIZE 0x1000 /*4k */
785
bb8c093b 786struct iwl4965_kw {
b481de9c
ZY		 787 dma_addr_t dma_addr;
788 void *v_addr;
789 size_t size;
790};
791
b481de9c
ZY		 792#define IWL_CHANNEL_WIDTH_20MHZ 0
793#define IWL_CHANNEL_WIDTH_40MHZ 1
794
795#define IWL_MIMO_PS_STATIC 0
796#define IWL_MIMO_PS_NONE 3
797#define IWL_MIMO_PS_DYNAMIC 1
798#define IWL_MIMO_PS_INVALID 2
799
800#define IWL_OPERATION_MODE_AUTO 0
801#define IWL_OPERATION_MODE_HT_ONLY 1
802#define IWL_OPERATION_MODE_MIXED 2
803#define IWL_OPERATION_MODE_20MHZ 3
804
134eb5d3
GC		 805#define IWL_EXT_CHANNEL_OFFSET_NONE 0
806#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
807#define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2
808#define IWL_EXT_CHANNEL_OFFSET_BELOW 3
b481de9c
ZY		 809
810#define NRG_NUM_PREV_STAT_L 20
811#define NUM_RX_CHAINS (3)
812
b481de9c 813#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
b481de9c 814
bb8c093b 815struct iwl4965_lq_mngr {
b481de9c
ZY		 816 spinlock_t lock;
817 s32 max_window_size;
818 s32 *expected_tpt;
819 u8 *next_higher_rate;
820 u8 *next_lower_rate;
821 unsigned long stamp;
822 unsigned long stamp_last;
823 u32 flush_time;
824 u32 tx_packets;
825 u8 lq_ready;
826};
827
b481de9c
ZY		 828/* Sensitivity and chain noise calibration */
829#define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
830#define INITIALIZATION_VALUE 0xFFFF
831#define CAL_NUM_OF_BEACONS 20
832#define MAXIMUM_ALLOWED_PATHLOSS 15
833
b481de9c
ZY		 834#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
835
836#define MAX_FA_OFDM 50
837#define MIN_FA_OFDM 5
838#define MAX_FA_CCK 50
839#define MIN_FA_CCK 5
840
841#define NRG_MIN_CCK 97
842#define NRG_MAX_CCK 0
843
844#define AUTO_CORR_MIN_OFDM 85
845#define AUTO_CORR_MIN_OFDM_MRC 170
846#define AUTO_CORR_MIN_OFDM_X1 105
847#define AUTO_CORR_MIN_OFDM_MRC_X1 220
848#define AUTO_CORR_MAX_OFDM 120
849#define AUTO_CORR_MAX_OFDM_MRC 210
850#define AUTO_CORR_MAX_OFDM_X1 140
851#define AUTO_CORR_MAX_OFDM_MRC_X1 270
852#define AUTO_CORR_STEP_OFDM 1
853
854#define AUTO_CORR_MIN_CCK (125)
855#define AUTO_CORR_MAX_CCK (200)
856#define AUTO_CORR_MIN_CCK_MRC 200
857#define AUTO_CORR_MAX_CCK_MRC 400
858#define AUTO_CORR_STEP_CCK 3
859#define AUTO_CORR_MAX_TH_CCK 160
860
b481de9c
ZY		 861#define NRG_DIFF 2
862#define NRG_STEP_CCK 2
863#define NRG_MARGIN 8
864#define MAX_NUMBER_CCK_NO_FA 100
865
866#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
867
868#define CHAIN_A 0
869#define CHAIN_B 1
870#define CHAIN_C 2
871#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
872#define ALL_BAND_FILTER 0xFF00
873#define IN_BAND_FILTER 0xFF
874#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
875
bb8c093b 876enum iwl4965_false_alarm_state {
b481de9c
ZY		 877 IWL_FA_TOO_MANY = 0,
878 IWL_FA_TOO_FEW = 1,
879 IWL_FA_GOOD_RANGE = 2,
880};
881
bb8c093b 882enum iwl4965_chain_noise_state {
b481de9c
ZY		 883 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
884 IWL_CHAIN_NOISE_ACCUMULATE = 1,
885 IWL_CHAIN_NOISE_CALIBRATED = 2,
886};
887
bb8c093b 888enum iwl4965_sensitivity_state {
b481de9c
ZY		 889 IWL_SENS_CALIB_ALLOWED = 0,
890 IWL_SENS_CALIB_NEED_REINIT = 1,
891};
892
bb8c093b 893enum iwl4965_calib_enabled_state {
b481de9c
ZY		 894 IWL_CALIB_DISABLED = 0, /* must be 0 */
895 IWL_CALIB_ENABLED = 1,
896};
897
898struct statistics_general_data {
899 u32 beacon_silence_rssi_a;
900 u32 beacon_silence_rssi_b;
901 u32 beacon_silence_rssi_c;
902 u32 beacon_energy_a;
903 u32 beacon_energy_b;
904 u32 beacon_energy_c;
905};
906
907/* Sensitivity calib data */
bb8c093b 908struct iwl4965_sensitivity_data {
b481de9c
ZY		 909 u32 auto_corr_ofdm;
910 u32 auto_corr_ofdm_mrc;
911 u32 auto_corr_ofdm_x1;
912 u32 auto_corr_ofdm_mrc_x1;
913 u32 auto_corr_cck;
914 u32 auto_corr_cck_mrc;
915
916 u32 last_bad_plcp_cnt_ofdm;
917 u32 last_fa_cnt_ofdm;
918 u32 last_bad_plcp_cnt_cck;
919 u32 last_fa_cnt_cck;
920
921 u32 nrg_curr_state;
922 u32 nrg_prev_state;
923 u32 nrg_value[10];
924 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
925 u32 nrg_silence_ref;
926 u32 nrg_energy_idx;
927 u32 nrg_silence_idx;
928 u32 nrg_th_cck;
929 s32 nrg_auto_corr_silence_diff;
930 u32 num_in_cck_no_fa;
931 u32 nrg_th_ofdm;
932
933 u8 state;
934};
935
936/* Chain noise (differential Rx gain) calib data */
bb8c093b 937struct iwl4965_chain_noise_data {
b481de9c
ZY		 938 u8 state;
939 u16 beacon_count;
940 u32 chain_noise_a;
941 u32 chain_noise_b;
942 u32 chain_noise_c;
943 u32 chain_signal_a;
944 u32 chain_signal_b;
945 u32 chain_signal_c;
946 u8 disconn_array[NUM_RX_CHAINS];
947 u8 delta_gain_code[NUM_RX_CHAINS];
948 u8 radio_write;
949};
950
abceddb4
BC		 951#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
952#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
b481de9c 953
5d08cd1d 954
c8b0e6e1 955#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d
CH		 956
957enum {
958 MEASUREMENT_READY = (1 << 0),
959 MEASUREMENT_ACTIVE = (1 << 1),
960};
961
962#endif
963
bb8c093b 964struct iwl4965_priv {
5d08cd1d
CH		 965
966 /* ieee device used by generic ieee processing code */
967 struct ieee80211_hw *hw;
968 struct ieee80211_channel *ieee_channels;
969 struct ieee80211_rate *ieee_rates;
970
971 /* temporary frame storage list */
972 struct list_head free_frames;
973 int frames_count;
974
8318d78a 975 enum ieee80211_band band;
5d08cd1d 976 int alloc_rxb_skb;
12342c47 977 bool add_radiotap;
5d08cd1d 978
bb8c093b
CH		 979 void (*rx_handlers[REPLY_MAX])(struct iwl4965_priv *priv,
980 struct iwl4965_rx_mem_buffer *rxb);
5d08cd1d 981
8318d78a 982 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
5d08cd1d 983
c8b0e6e1 984#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d 985 /* spectrum measurement report caching */
bb8c093b 986 struct iwl4965_spectrum_notification measure_report;
5d08cd1d
CH		 987 u8 measurement_status;
988#endif
989 /* ucode beacon time */
990 u32 ucode_beacon_time;
991
bb8c093b 992 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
5d08cd1d 993 * Access via channel # using indirect index array */
bb8c093b 994 struct iwl4965_channel_info *channel_info; /* channel info array */
5d08cd1d
CH		 995 u8 channel_count; /* # of channels */
996
997 /* each calibration channel group in the EEPROM has a derived
998 * clip setting for each rate. */
bb8c093b 999 const struct iwl4965_clip_group clip_groups[5];
5d08cd1d
CH		 1000
1001 /* thermal calibration */
1002 s32 temperature; /* degrees Kelvin */
1003 s32 last_temperature;
1004
1005 /* Scan related variables */
1006 unsigned long last_scan_jiffies;
7878a5a4 1007 unsigned long next_scan_jiffies;
5d08cd1d
CH		 1008 unsigned long scan_start;
1009 unsigned long scan_pass_start;
1010 unsigned long scan_start_tsf;
1011 int scan_bands;
1012 int one_direct_scan;
1013 u8 direct_ssid_len;
1014 u8 direct_ssid[IW_ESSID_MAX_SIZE];
bb8c093b 1015 struct iwl4965_scan_cmd *scan;
5d08cd1d
CH		 1016 u8 only_active_channel;
1017
1018 /* spinlock */
1019 spinlock_t lock; /* protect general shared data */
1020 spinlock_t hcmd_lock; /* protect hcmd */
1021 struct mutex mutex;
1022
1023 /* basic pci-network driver stuff */
1024 struct pci_dev *pci_dev;
1025
1026 /* pci hardware address support */
1027 void __iomem *hw_base;
1028
1029 /* uCode images, save to reload in case of failure */
1030 struct fw_desc ucode_code; /* runtime inst */
1031 struct fw_desc ucode_data; /* runtime data original */
1032 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1033 struct fw_desc ucode_init; /* initialization inst */
1034 struct fw_desc ucode_init_data; /* initialization data */
1035 struct fw_desc ucode_boot; /* bootstrap inst */
1036
1037
bb8c093b 1038 struct iwl4965_rxon_time_cmd rxon_timing;
5d08cd1d
CH		 1039
1040 /* We declare this const so it can only be
1041 * changed via explicit cast within the
1042 * routines that actually update the physical
1043 * hardware */
bb8c093b
CH		 1044 const struct iwl4965_rxon_cmd active_rxon;
1045 struct iwl4965_rxon_cmd staging_rxon;
5d08cd1d
CH		 1046
1047 int error_recovering;
bb8c093b 1048 struct iwl4965_rxon_cmd recovery_rxon;
5d08cd1d
CH		 1049
1050 /* 1st responses from initialize and runtime uCode images.
1051 * 4965's initialize alive response contains some calibration data. */
bb8c093b
CH		 1052 struct iwl4965_init_alive_resp card_alive_init;
1053 struct iwl4965_alive_resp card_alive;
5d08cd1d
CH		 1054
1055#ifdef LED
1056 /* LED related variables */
bb8c093b 1057 struct iwl4965_activity_blink activity;
5d08cd1d
CH		 1058 unsigned long led_packets;
1059 int led_state;
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
bb8c093b 1104 struct iwl4965_power_mgr power_data;
5d08cd1d 1105
bb8c093b 1106 struct iwl4965_notif_statistics statistics;
5d08cd1d
CH		 1107 unsigned long last_statistics_time;
1108
1109 /* context information */
1110 u8 essid[IW_ESSID_MAX_SIZE];
1111 u8 essid_len;
1112 u16 rates_mask;
1113
1114 u32 power_mode;
1115 u32 antenna;
1116 u8 bssid[ETH_ALEN];
1117 u16 rts_threshold;
1118 u8 mac_addr[ETH_ALEN];
1119
1120 /*station table variables */
1121 spinlock_t sta_lock;
1122 int num_stations;
bb8c093b 1123 struct iwl4965_station_entry stations[IWL_STATION_COUNT];
5d08cd1d
CH		 1124
1125 /* Indication if ieee80211_ops->open has been called */
1126 int is_open;
1127
1128 u8 mac80211_registered;
1129 int is_abg;
1130
1131 u32 notif_missed_beacons;
1132
1133 /* Rx'd packet timing information */
1134 u32 last_beacon_time;
1135 u64 last_tsf;
1136
1137 /* Duplicate packet detection */
1138 u16 last_seq_num;
1139 u16 last_frag_num;
1140 unsigned long last_packet_time;
bc47279f
BC		 1141
1142 /* Hash table for finding stations in IBSS network */
5d08cd1d
CH		 1143 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1144
1145 /* eeprom */
bb8c093b 1146 struct iwl4965_eeprom eeprom;
5d08cd1d
CH		 1147
1148 int iw_mode;
1149
1150 struct sk_buff *ibss_beacon;
1151
1152 /* Last Rx'd beacon timestamp */
1153 u32 timestamp0;
1154 u32 timestamp1;
1155 u16 beacon_int;
bb8c093b 1156 struct iwl4965_driver_hw_info hw_setting;
32bfd35d 1157 struct ieee80211_vif *vif;
5d08cd1d
CH		 1158
1159 /* Current association information needed to configure the
1160 * hardware */
1161 u16 assoc_id;
1162 u16 assoc_capability;
1163 u8 ps_mode;
1164
bb8c093b 1165 struct iwl4965_qos_info qos_data;
5d08cd1d
CH		 1166
1167 struct workqueue_struct *workqueue;
1168
1169 struct work_struct up;
1170 struct work_struct restart;
1171 struct work_struct calibrated_work;
1172 struct work_struct scan_completed;
1173 struct work_struct rx_replenish;
1174 struct work_struct rf_kill;
1175 struct work_struct abort_scan;
1176 struct work_struct update_link_led;
1177 struct work_struct auth_work;
1178 struct work_struct report_work;
1179 struct work_struct request_scan;
1180 struct work_struct beacon_update;
1181
1182 struct tasklet_struct irq_tasklet;
1183
1184 struct delayed_work init_alive_start;
1185 struct delayed_work alive_start;
1186 struct delayed_work activity_timer;
1187 struct delayed_work thermal_periodic;
1188 struct delayed_work gather_stats;
1189 struct delayed_work scan_check;
1190 struct delayed_work post_associate;
1191
1192#define IWL_DEFAULT_TX_POWER 0x0F
1193 s8 user_txpower_limit;
1194 s8 max_channel_txpower_limit;
1195
1196#ifdef CONFIG_PM
1197 u32 pm_state[16];
1198#endif
1199
c8b0e6e1 1200#ifdef CONFIG_IWL4965_DEBUG
5d08cd1d
CH		 1201 /* debugging info */
1202 u32 framecnt_to_us;
1203 atomic_t restrict_refcnt;
1204#endif
1205
1206 struct work_struct txpower_work;
c8b0e6e1 1207#ifdef CONFIG_IWL4965_SENSITIVITY
5d08cd1d
CH		 1208 struct work_struct sensitivity_work;
1209#endif
1210 struct work_struct statistics_work;
1211 struct timer_list statistics_periodic;
0c11b4de 1212}; /*iwl4965_priv */
5d08cd1d 1213
bb8c093b 1214static inline int iwl4965_is_associated(struct iwl4965_priv *priv)
5d08cd1d
CH		 1215{
1216 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1217}
1218
bb8c093b 1219static inline int is_channel_valid(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1220{
1221 if (ch_info == NULL)
1222 return 0;
1223 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1224}
1225
bb8c093b 1226static inline int is_channel_narrow(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1227{
1228 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
1229}
1230
bb8c093b 1231static inline int is_channel_radar(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1232{
1233 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1234}
1235
bb8c093b 1236static inline u8 is_channel_a_band(const struct iwl4965_channel_info *ch_info)
5d08cd1d 1237{
8318d78a 1238 return ch_info->band == IEEE80211_BAND_5GHZ;
5d08cd1d
CH		 1239}
1240
bb8c093b 1241static inline u8 is_channel_bg_band(const struct iwl4965_channel_info *ch_info)
5d08cd1d 1242{
8318d78a 1243 return ch_info->band == IEEE80211_BAND_2GHZ;
5d08cd1d
CH		 1244}
1245
bb8c093b 1246static inline int is_channel_passive(const struct iwl4965_channel_info *ch)
5d08cd1d
CH		 1247{
1248 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1249}
1250
bb8c093b 1251static inline int is_channel_ibss(const struct iwl4965_channel_info *ch)
5d08cd1d
CH		 1252{
1253 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1254}
1255
bb8c093b 1256extern const struct iwl4965_channel_info *iwl4965_get_channel_info(
8318d78a 1257 const struct iwl4965_priv *priv, enum ieee80211_band band, u16 channel);
5d08cd1d 1258
bb8c093b 1259/* Requires full declaration of iwl4965_priv before including */
5d08cd1d
CH		 1260#include "iwl-4965-io.h"
1261
bb8c093b 1262#endif /* __iwl4965_4965_h__ */
Linux 6.x block layer and io_uring tree(s)