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ipw2200 annotations and fixes
[deliverable/linux.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"
5d08cd1d 48
4bf775cd
TW		 49/* Change firmware file name, using "-" and incrementing number,
50 * *only* when uCode interface or architecture changes so that it
51 * is not compatible with earlier drivers.
52 * This number will also appear in << 8 position of 1st dword of uCode file */
53#define IWL4965_UCODE_API "-1"
54
55
5d08cd1d
CH		 56/* Default noise level to report when noise measurement is not available.
57 * This may be because we're:
58 * 1) Not associated (4965, no beacon statistics being sent to driver)
59 * 2) Scanning (noise measurement does not apply to associated channel)
60 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
61 * Use default noise value of -127 ... this is below the range of measurable
62 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
63 * Also, -127 works better than 0 when averaging frames with/without
64 * noise info (e.g. averaging might be done in app); measured dBm values are
65 * always negative ... using a negative value as the default keeps all
66 * averages within an s8's (used in some apps) range of negative values. */
67#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
68
69/* Module parameters accessible from iwl-*.c */
00acbc91 70extern struct iwl_mod_params iwl4965_mod_params;
5d08cd1d 71
bb8c093b 72enum iwl4965_antenna {
5d08cd1d
CH		 73 IWL_ANTENNA_DIVERSITY,
74 IWL_ANTENNA_MAIN,
75 IWL_ANTENNA_AUX
76};
77
78/*
79 * RTS threshold here is total size [2347] minus 4 FCS bytes
80 * Per spec:
81 * a value of 0 means RTS on all data/management packets
82 * a value > max MSDU size means no RTS
83 * else RTS for data/management frames where MPDU is larger
84 * than RTS value.
85 */
86#define DEFAULT_RTS_THRESHOLD 2347U
87#define MIN_RTS_THRESHOLD 0U
88#define MAX_RTS_THRESHOLD 2347U
89#define MAX_MSDU_SIZE 2304U
90#define MAX_MPDU_SIZE 2346U
91#define DEFAULT_BEACON_INTERVAL 100U
92#define DEFAULT_SHORT_RETRY_LIMIT 7U
93#define DEFAULT_LONG_RETRY_LIMIT 4U
94
bb8c093b 95struct iwl4965_rx_mem_buffer {
5d08cd1d
CH		 96 dma_addr_t dma_addr;
97 struct sk_buff *skb;
98 struct list_head list;
99};
100
5d08cd1d
CH		 101/*
102 * Generic queue structure
103 *
104 * Contains common data for Rx and Tx queues
105 */
bb8c093b 106struct iwl4965_queue {
5d08cd1d
CH		 107 int n_bd; /* number of BDs in this queue */
108 int write_ptr; /* 1-st empty entry (index) host_w*/
109 int read_ptr; /* last used entry (index) host_r*/
110 dma_addr_t dma_addr; /* physical addr for BD's */
111 int n_window; /* safe queue window */
112 u32 id;
113 int low_mark; /* low watermark, resume queue if free
114 * space more than this */
115 int high_mark; /* high watermark, stop queue if free
116 * space less than this */
117} __attribute__ ((packed));
118
119#define MAX_NUM_OF_TBS (20)
120
bc47279f 121/* One for each TFD */
bb8c093b 122struct iwl4965_tx_info {
5d08cd1d
CH		 123 struct ieee80211_tx_status status;
124 struct sk_buff *skb[MAX_NUM_OF_TBS];
125};
126
127/**
bb8c093b 128 * struct iwl4965_tx_queue - Tx Queue for DMA
bc47279f
BC		 129 * @q: generic Rx/Tx queue descriptor
130 * @bd: base of circular buffer of TFDs
131 * @cmd: array of command/Tx buffers
132 * @dma_addr_cmd: physical address of cmd/tx buffer array
133 * @txb: array of per-TFD driver data
134 * @need_update: indicates need to update read/write index
135 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
5d08cd1d 136 *
bc47279f
BC		 137 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
138 * descriptors) and required locking structures.
5d08cd1d 139 */
bb8c093b
CH		 140struct iwl4965_tx_queue {
141 struct iwl4965_queue q;
142 struct iwl4965_tfd_frame *bd;
857485c0 143 struct iwl_cmd *cmd;
5d08cd1d 144 dma_addr_t dma_addr_cmd;
bb8c093b 145 struct iwl4965_tx_info *txb;
5d08cd1d
CH		 146 int need_update;
147 int sched_retry;
148 int active;
149};
150
151#define IWL_NUM_SCAN_RATES (2)
152
bb8c093b 153struct iwl4965_channel_tgd_info {
5d08cd1d
CH		 154 u8 type;
155 s8 max_power;
156};
157
bb8c093b 158struct iwl4965_channel_tgh_info {
5d08cd1d
CH		 159 s64 last_radar_time;
160};
161
162/* current Tx power values to use, one for each rate for each channel.
163 * requested power is limited by:
164 * -- regulatory EEPROM limits for this channel
165 * -- hardware capabilities (clip-powers)
166 * -- spectrum management
167 * -- user preference (e.g. iwconfig)
168 * when requested power is set, base power index must also be set. */
bb8c093b
CH		 169struct iwl4965_channel_power_info {
170 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 171 s8 power_table_index; /* actual (compenst'd) index into gain table */
172 s8 base_power_index; /* gain index for power at factory temp. */
173 s8 requested_power; /* power (dBm) requested for this chnl/rate */
174};
175
176/* current scan Tx power values to use, one for each scan rate for each
177 * channel. */
bb8c093b
CH		 178struct iwl4965_scan_power_info {
179 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 180 s8 power_table_index; /* actual (compenst'd) index into gain table */
181 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
182};
183
fcd427bb
BC		 184/* For fat_extension_channel */
185enum {
186 HT_IE_EXT_CHANNEL_NONE = 0,
187 HT_IE_EXT_CHANNEL_ABOVE,
188 HT_IE_EXT_CHANNEL_INVALID,
189 HT_IE_EXT_CHANNEL_BELOW,
190 HT_IE_EXT_CHANNEL_MAX
191};
192
5d08cd1d
CH		 193/*
194 * One for each channel, holds all channel setup data
195 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
196 * with one another!
197 */
198#define IWL4965_MAX_RATE (33)
199
bf85ea4f 200struct iwl_channel_info {
bb8c093b
CH		 201 struct iwl4965_channel_tgd_info tgd;
202 struct iwl4965_channel_tgh_info tgh;
fcd427bb
BC		 203 struct iwl4965_eeprom_channel eeprom; /* EEPROM regulatory limit */
204 struct iwl4965_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
205 * FAT channel */
5d08cd1d
CH		 206
207 u8 channel; /* channel number */
208 u8 flags; /* flags copied from EEPROM */
209 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
fcd427bb 210 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
5d08cd1d
CH		 211 s8 min_power; /* always 0 */
212 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
213
214 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
215 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
8318d78a 216 enum ieee80211_band band;
5d08cd1d
CH		 217
218 /* Radio/DSP gain settings for each "normal" data Tx rate.
219 * These include, in addition to RF and DSP gain, a few fields for
220 * remembering/modifying gain settings (indexes). */
bb8c093b 221 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
5d08cd1d
CH		 222
223 /* FAT channel info */
224 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
225 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
226 s8 fat_min_power; /* always 0 */
227 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
228 u8 fat_flags; /* flags copied from EEPROM */
fcd427bb 229 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
5d08cd1d
CH		 230
231 /* Radio/DSP gain settings for each scan rate, for directed scans. */
bb8c093b 232 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
5d08cd1d
CH		 233};
234
bb8c093b 235struct iwl4965_clip_group {
5d08cd1d
CH		 236 /* maximum power level to prevent clipping for each rate, derived by
237 * us from this band's saturation power in EEPROM */
238 const s8 clip_powers[IWL_MAX_RATES];
239};
240
241#include "iwl-4965-rs.h"
242
243#define IWL_TX_FIFO_AC0 0
244#define IWL_TX_FIFO_AC1 1
245#define IWL_TX_FIFO_AC2 2
246#define IWL_TX_FIFO_AC3 3
247#define IWL_TX_FIFO_HCCA_1 5
248#define IWL_TX_FIFO_HCCA_2 6
249#define IWL_TX_FIFO_NONE 7
250
251/* Minimum number of queues. MAX_NUM is defined in hw specific files */
252#define IWL_MIN_NUM_QUEUES 4
253
254/* Power management (not Tx power) structures */
255
bb8c093b
CH		 256struct iwl4965_power_vec_entry {
257 struct iwl4965_powertable_cmd cmd;
5d08cd1d
CH		 258 u8 no_dtim;
259};
260#define IWL_POWER_RANGE_0 (0)
261#define IWL_POWER_RANGE_1 (1)
262
263#define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
264#define IWL_POWER_INDEX_3 0x03
265#define IWL_POWER_INDEX_5 0x05
266#define IWL_POWER_AC 0x06
267#define IWL_POWER_BATTERY 0x07
268#define IWL_POWER_LIMIT 0x07
269#define IWL_POWER_MASK 0x0F
270#define IWL_POWER_ENABLED 0x10
271#define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
272
bb8c093b 273struct iwl4965_power_mgr {
5d08cd1d 274 spinlock_t lock;
bb8c093b
CH		 275 struct iwl4965_power_vec_entry pwr_range_0[IWL_POWER_AC];
276 struct iwl4965_power_vec_entry pwr_range_1[IWL_POWER_AC];
5d08cd1d
CH		 277 u8 active_index;
278 u32 dtim_val;
279};
280
281#define IEEE80211_DATA_LEN 2304
282#define IEEE80211_4ADDR_LEN 30
283#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
284#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
285
bb8c093b 286struct iwl4965_frame {
5d08cd1d
CH		 287 union {
288 struct ieee80211_hdr frame;
bb8c093b 289 struct iwl4965_tx_beacon_cmd beacon;
5d08cd1d
CH		 290 u8 raw[IEEE80211_FRAME_LEN];
291 u8 cmd[360];
292 } u;
293 struct list_head list;
294};
295
296#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
297#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
298#define SEQ_TO_INDEX(x) (x & 0xff)
299#define INDEX_TO_SEQ(x) (x & 0xff)
300#define SEQ_HUGE_FRAME (0x4000)
301#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
302#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
303#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
304#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
305
306enum {
307 /* CMD_SIZE_NORMAL = 0, */
308 CMD_SIZE_HUGE = (1 << 0),
309 /* CMD_SYNC = 0, */
310 CMD_ASYNC = (1 << 1),
311 /* CMD_NO_SKB = 0, */
312 CMD_WANT_SKB = (1 << 2),
313};
314
857485c0 315struct iwl_cmd;
c79dd5b5 316struct iwl_priv;
5d08cd1d 317
857485c0
TW		 318struct iwl_cmd_meta {
319 struct iwl_cmd_meta *source;
5d08cd1d
CH		 320 union {
321 struct sk_buff *skb;
c79dd5b5 322 int (*callback)(struct iwl_priv *priv,
857485c0 323 struct iwl_cmd *cmd, struct sk_buff *skb);
5d08cd1d
CH		 324 } __attribute__ ((packed)) u;
325
326 /* The CMD_SIZE_HUGE flag bit indicates that the command
327 * structure is stored at the end of the shared queue memory. */
328 u32 flags;
329
330} __attribute__ ((packed));
331
bc47279f 332/**
857485c0 333 * struct iwl_cmd
bc47279f
BC		 334 *
335 * For allocation of the command and tx queues, this establishes the overall
336 * size of the largest command we send to uCode, except for a scan command
337 * (which is relatively huge; space is allocated separately).
338 */
857485c0
TW		 339struct iwl_cmd {
340 struct iwl_cmd_meta meta; /* driver data */
341 struct iwl_cmd_header hdr; /* uCode API */
5d08cd1d 342 union {
bb8c093b
CH		 343 struct iwl4965_addsta_cmd addsta;
344 struct iwl4965_led_cmd led;
5d08cd1d
CH		 345 u32 flags;
346 u8 val8;
347 u16 val16;
348 u32 val32;
bb8c093b
CH		 349 struct iwl4965_bt_cmd bt;
350 struct iwl4965_rxon_time_cmd rxon_time;
351 struct iwl4965_powertable_cmd powertable;
352 struct iwl4965_qosparam_cmd qosparam;
353 struct iwl4965_tx_cmd tx;
354 struct iwl4965_tx_beacon_cmd tx_beacon;
355 struct iwl4965_rxon_assoc_cmd rxon_assoc;
5d08cd1d
CH		 356 u8 *indirect;
357 u8 payload[360];
358 } __attribute__ ((packed)) cmd;
359} __attribute__ ((packed));
360
857485c0 361struct iwl_host_cmd {
5d08cd1d
CH		 362 u8 id;
363 u16 len;
857485c0 364 struct iwl_cmd_meta meta;
5d08cd1d
CH		 365 const void *data;
366};
367
857485c0
TW		 368#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
369 sizeof(struct iwl_cmd_meta))
5d08cd1d
CH		 370
371/*
372 * RX related structures and functions
373 */
374#define RX_FREE_BUFFERS 64
375#define RX_LOW_WATERMARK 8
376
377#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
378#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
379#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
380
381/**
bb8c093b 382 * struct iwl4965_rx_queue - Rx queue
5d08cd1d
CH		 383 * @processed: Internal index to last handled Rx packet
384 * @read: Shared index to newest available Rx buffer
385 * @write: Shared index to oldest written Rx packet
386 * @free_count: Number of pre-allocated buffers in rx_free
387 * @rx_free: list of free SKBs for use
388 * @rx_used: List of Rx buffers with no SKB
389 * @need_update: flag to indicate we need to update read/write index
390 *
bb8c093b 391 * NOTE: rx_free and rx_used are used as a FIFO for iwl4965_rx_mem_buffers
5d08cd1d 392 */
bb8c093b 393struct iwl4965_rx_queue {
5d08cd1d
CH		 394 __le32 *bd;
395 dma_addr_t dma_addr;
bb8c093b
CH		 396 struct iwl4965_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
397 struct iwl4965_rx_mem_buffer *queue[RX_QUEUE_SIZE];
5d08cd1d
CH		 398 u32 processed;
399 u32 read;
400 u32 write;
401 u32 free_count;
402 struct list_head rx_free;
403 struct list_head rx_used;
404 int need_update;
405 spinlock_t lock;
406};
407
408#define IWL_SUPPORTED_RATES_IE_LEN 8
409
410#define SCAN_INTERVAL 100
411
412#define MAX_A_CHANNELS 252
413#define MIN_A_CHANNELS 7
414
415#define MAX_B_CHANNELS 14
416#define MIN_B_CHANNELS 1
417
418#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
419#define STATUS_INT_ENABLED 1
420#define STATUS_RF_KILL_HW 2
421#define STATUS_RF_KILL_SW 3
422#define STATUS_INIT 4
423#define STATUS_ALIVE 5
424#define STATUS_READY 6
425#define STATUS_TEMPERATURE 7
426#define STATUS_GEO_CONFIGURED 8
427#define STATUS_EXIT_PENDING 9
428#define STATUS_IN_SUSPEND 10
429#define STATUS_STATISTICS 11
430#define STATUS_SCANNING 12
431#define STATUS_SCAN_ABORTING 13
432#define STATUS_SCAN_HW 14
433#define STATUS_POWER_PMI 15
434#define STATUS_FW_ERROR 16
a0646470 435#define STATUS_CONF_PENDING 17
5d08cd1d
CH		 436
437#define MAX_TID_COUNT 9
438
439#define IWL_INVALID_RATE 0xFF
440#define IWL_INVALID_VALUE -1
441
c8b0e6e1 442#ifdef CONFIG_IWL4965_HT
bc47279f
BC		 443/**
444 * struct iwl4965_ht_agg -- aggregation status while waiting for block-ack
445 * @txq_id: Tx queue used for Tx attempt
446 * @frame_count: # frames attempted by Tx command
447 * @wait_for_ba: Expect block-ack before next Tx reply
448 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
449 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
450 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
451 * @rate_n_flags: Rate at which Tx was attempted
452 *
453 * If REPLY_TX indicates that aggregation was attempted, driver must wait
454 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
455 * until block ack arrives.
456 */
bb8c093b 457struct iwl4965_ht_agg {
5d08cd1d
CH		 458 u16 txq_id;
459 u16 frame_count;
460 u16 wait_for_ba;
461 u16 start_idx;
fe01b477 462 u64 bitmap;
5d08cd1d 463 u32 rate_n_flags;
fe01b477
RR		 464#define IWL_AGG_OFF 0
465#define IWL_AGG_ON 1
466#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
467#define IWL_EMPTYING_HW_QUEUE_DELBA 3
468 u8 state;
5d08cd1d 469};
fe01b477 470
c8b0e6e1 471#endif /* CONFIG_IWL4965_HT */
5d08cd1d 472
bb8c093b 473struct iwl4965_tid_data {
5d08cd1d 474 u16 seq_number;
fe01b477 475 u16 tfds_in_queue;
c8b0e6e1 476#ifdef CONFIG_IWL4965_HT
bb8c093b 477 struct iwl4965_ht_agg agg;
c8b0e6e1 478#endif /* CONFIG_IWL4965_HT */
5d08cd1d
CH		 479};
480
bb8c093b 481struct iwl4965_hw_key {
5d08cd1d
CH		 482 enum ieee80211_key_alg alg;
483 int keylen;
2bc75089 484 struct ieee80211_key_conf *conf;
5d08cd1d
CH		 485 u8 key[32];
486};
487
bb8c093b 488union iwl4965_ht_rate_supp {
5d08cd1d
CH		 489 u16 rates;
490 struct {
491 u8 siso_rate;
492 u8 mimo_rate;
493 };
494};
495
c8b0e6e1 496#ifdef CONFIG_IWL4965_HT
5d08cd1d 497#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
5d08cd1d
CH		 498#define CFG_HT_MPDU_DENSITY_2USEC (0x5)
499#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
500
9e0cc6de
RR		 501struct iwl_ht_info {
502 /* self configuration data */
5d08cd1d 503 u8 is_ht;
9e0cc6de 504 u8 supported_chan_width;
5d08cd1d 505 u16 tx_mimo_ps_mode;
9e0cc6de 506 u8 is_green_field;
bb54244b 507 u8 sgf; /* HT_SHORT_GI_* short guard interval */
5d08cd1d
CH		 508 u8 max_amsdu_size;
509 u8 ampdu_factor;
510 u8 mpdu_density;
9e0cc6de
RR		 511 u8 supp_mcs_set[16];
512 /* BSS related data */
513 u8 control_channel;
5d08cd1d 514 u8 extension_chan_offset;
5d08cd1d 515 u8 tx_chan_width;
9e0cc6de
RR		 516 u8 ht_protection;
517 u8 non_GF_STA_present;
5d08cd1d 518};
c8b0e6e1 519#endif /*CONFIG_IWL4965_HT */
5d08cd1d 520
bb8c093b 521union iwl4965_qos_capabity {
5d08cd1d
CH		 522 struct {
523 u8 edca_count:4; /* bit 0-3 */
524 u8 q_ack:1; /* bit 4 */
525 u8 queue_request:1; /* bit 5 */
526 u8 txop_request:1; /* bit 6 */
527 u8 reserved:1; /* bit 7 */
528 } q_AP;
529 struct {
530 u8 acvo_APSD:1; /* bit 0 */
531 u8 acvi_APSD:1; /* bit 1 */
532 u8 ac_bk_APSD:1; /* bit 2 */
533 u8 ac_be_APSD:1; /* bit 3 */
534 u8 q_ack:1; /* bit 4 */
535 u8 max_len:2; /* bit 5-6 */
536 u8 more_data_ack:1; /* bit 7 */
537 } q_STA;
538 u8 val;
539};
540
541/* QoS structures */
bb8c093b 542struct iwl4965_qos_info {
5d08cd1d
CH		 543 int qos_enable;
544 int qos_active;
bb8c093b
CH		 545 union iwl4965_qos_capabity qos_cap;
546 struct iwl4965_qosparam_cmd def_qos_parm;
5d08cd1d 547};
5d08cd1d
CH		 548
549#define STA_PS_STATUS_WAKE 0
550#define STA_PS_STATUS_SLEEP 1
551
bb8c093b
CH		 552struct iwl4965_station_entry {
553 struct iwl4965_addsta_cmd sta;
554 struct iwl4965_tid_data tid[MAX_TID_COUNT];
5d08cd1d
CH		 555 u8 used;
556 u8 ps_status;
bb8c093b 557 struct iwl4965_hw_key keyinfo;
5d08cd1d
CH		 558};
559
560/* one for each uCode image (inst/data, boot/init/runtime) */
561struct fw_desc {
562 void *v_addr; /* access by driver */
563 dma_addr_t p_addr; /* access by card's busmaster DMA */
564 u32 len; /* bytes */
565};
566
567/* uCode file layout */
bb8c093b 568struct iwl4965_ucode {
5d08cd1d
CH		 569 __le32 ver; /* major/minor/subminor */
570 __le32 inst_size; /* bytes of runtime instructions */
571 __le32 data_size; /* bytes of runtime data */
572 __le32 init_size; /* bytes of initialization instructions */
573 __le32 init_data_size; /* bytes of initialization data */
574 __le32 boot_size; /* bytes of bootstrap instructions */
575 u8 data[0]; /* data in same order as "size" elements */
576};
577
578#define IWL_IBSS_MAC_HASH_SIZE 32
579
bb8c093b 580struct iwl4965_ibss_seq {
5d08cd1d
CH		 581 u8 mac[ETH_ALEN];
582 u16 seq_num;
583 u16 frag_num;
584 unsigned long packet_time;
585 struct list_head list;
586};
587
bc47279f
BC		 588/**
589 * struct iwl4965_driver_hw_info
590 * @max_txq_num: Max # Tx queues supported
bc47279f 591 * @tx_cmd_len: Size of Tx command (but not including frame itself)
3e82a822 592 * @tx_ant_num: Number of TX antennas
bc47279f
BC		 593 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
594 * @rx_buffer_size:
595 * @max_rxq_log: Log-base-2 of max_rxq_size
596 * @max_stations:
597 * @bcast_sta_id:
598 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
599 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
600 */
bb8c093b 601struct iwl4965_driver_hw_info {
5d08cd1d 602 u16 max_txq_num;
5d08cd1d 603 u16 tx_cmd_len;
3e82a822 604 u16 tx_ant_num;
5d08cd1d 605 u16 max_rxq_size;
9ee1ba47
RR		 606 u32 rx_buf_size;
607 u32 max_pkt_size;
5d08cd1d
CH		 608 u16 max_rxq_log;
609 u8 max_stations;
610 u8 bcast_sta_id;
611 void *shared_virt;
612 dma_addr_t shared_phys;
613};
614
5d08cd1d
CH		 615#define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
616#define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
617
618
bb8c093b 619#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
5d08cd1d
CH		 620 x->u.rx_frame.stats.payload + \
621 x->u.rx_frame.stats.phy_count))
bb8c093b 622#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
5d08cd1d
CH		 623 IWL_RX_HDR(x)->payload + \
624 le16_to_cpu(IWL_RX_HDR(x)->len)))
625#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
626#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
627
628
629/******************************************************************************
630 *
631 * Functions implemented in iwl-base.c which are forward declared here
632 * for use by iwl-*.c
633 *
634 *****************************************************************************/
bb8c093b 635struct iwl4965_addsta_cmd;
c79dd5b5 636extern int iwl4965_send_add_station(struct iwl_priv *priv,
bb8c093b 637 struct iwl4965_addsta_cmd *sta, u8 flags);
c79dd5b5 638extern u8 iwl4965_add_station_flags(struct iwl_priv *priv, const u8 *addr,
67d62035 639 int is_ap, u8 flags, void *ht_data);
c79dd5b5 640extern int iwl4965_is_network_packet(struct iwl_priv *priv,
5d08cd1d 641 struct ieee80211_hdr *header);
c79dd5b5
TW		 642extern int iwl4965_power_init_handle(struct iwl_priv *priv);
643extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv,
bb8c093b 644 struct iwl4965_rx_mem_buffer *rxb,
5d08cd1d
CH		 645 void *data, short len,
646 struct ieee80211_rx_status *stats,
647 u16 phy_flags);
c79dd5b5 648extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv,
bb8c093b 649 struct ieee80211_hdr *header);
c79dd5b5
TW		 650extern int iwl4965_rx_queue_alloc(struct iwl_priv *priv);
651extern void iwl4965_rx_queue_reset(struct iwl_priv *priv,
bb8c093b
CH		 652 struct iwl4965_rx_queue *rxq);
653extern int iwl4965_calc_db_from_ratio(int sig_ratio);
654extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
c79dd5b5 655extern int iwl4965_tx_queue_init(struct iwl_priv *priv,
bb8c093b
CH		 656 struct iwl4965_tx_queue *txq, int count, u32 id);
657extern void iwl4965_rx_replenish(void *data);
c79dd5b5 658extern void iwl4965_tx_queue_free(struct iwl_priv *priv, struct iwl4965_tx_queue *txq);
c79dd5b5 659extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
5d08cd1d
CH		 660 struct ieee80211_hdr *hdr,
661 const u8 *dest, int left);
c79dd5b5 662extern int iwl4965_rx_queue_update_write_ptr(struct iwl_priv *priv,
bb8c093b 663 struct iwl4965_rx_queue *q);
c79dd5b5
TW		 664extern int iwl4965_send_statistics_request(struct iwl_priv *priv);
665extern void iwl4965_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb,
5d08cd1d
CH		 666 u32 decrypt_res,
667 struct ieee80211_rx_status *stats);
668extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
bf85ea4f
AK		 669int iwl4965_init_geos(struct iwl_priv *priv);
670void iwl4965_free_geos(struct iwl_priv *priv);
5d08cd1d 671
bb8c093b 672extern const u8 iwl4965_broadcast_addr[ETH_ALEN];
857485c0 673int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
5d08cd1d
CH		 674
675/*
676 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
677 * call this... todo... fix that.
678*/
c79dd5b5 679extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id,
5d08cd1d
CH		 680 u16 tx_rate, u8 flags);
681
682/******************************************************************************
683 *
684 * Functions implemented in iwl-[34]*.c which are forward declared here
685 * for use by iwl-base.c
686 *
687 * NOTE: The implementation of these functions are hardware specific
688 * which is why they are in the hardware specific files (vs. iwl-base.c)
689 *
690 * Naming convention --
bb8c093b
CH		 691 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
692 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
5d08cd1d 693 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
bb8c093b
CH		 694 * iwl4965_bg_ <-- Called from work queue context
695 * iwl4965_mac_ <-- mac80211 callback
5d08cd1d
CH		 696 *
697 ****************************************************************************/
c79dd5b5
TW		 698extern void iwl4965_hw_rx_handler_setup(struct iwl_priv *priv);
699extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
700extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
701extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv);
702extern int iwl4965_hw_set_hw_setting(struct iwl_priv *priv);
703extern int iwl4965_hw_nic_init(struct iwl_priv *priv);
704extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv);
705extern void iwl4965_hw_txq_ctx_free(struct iwl_priv *priv);
706extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv);
707extern int iwl4965_hw_nic_reset(struct iwl_priv *priv);
708extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
5d08cd1d 709 dma_addr_t addr, u16 len);
c79dd5b5
TW		 710extern int iwl4965_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl4965_tx_queue *txq);
711extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
712extern int iwl4965_hw_tx_queue_init(struct iwl_priv *priv,
bb8c093b 713 struct iwl4965_tx_queue *txq);
c79dd5b5 714extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
bb8c093b 715 struct iwl4965_frame *frame, u8 rate);
c79dd5b5
TW		 716extern int iwl4965_hw_get_rx_read(struct iwl_priv *priv);
717extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
857485c0 718 struct iwl_cmd *cmd,
5d08cd1d
CH		 719 struct ieee80211_tx_control *ctrl,
720 struct ieee80211_hdr *hdr,
721 int sta_id, int tx_id);
c79dd5b5
TW		 722extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
723extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
724extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
bb8c093b 725 struct iwl4965_rx_mem_buffer *rxb);
c79dd5b5
TW		 726extern void iwl4965_disable_events(struct iwl_priv *priv);
727extern int iwl4965_get_temperature(const struct iwl_priv *priv);
5d08cd1d
CH		 728
729/**
bb8c093b 730 * iwl4965_hw_find_station - Find station id for a given BSSID
5d08cd1d
CH		 731 * @bssid: MAC address of station ID to find
732 *
733 * NOTE: This should not be hardware specific but the code has
734 * not yet been merged into a single common layer for managing the
735 * station tables.
736 */
c79dd5b5 737extern u8 iwl4965_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
5d08cd1d 738
c79dd5b5
TW		 739extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
740extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
fe01b477 741extern int iwl4965_queue_space(const struct iwl4965_queue *q);
c79dd5b5 742struct iwl_priv;
b481de9c
ZY		 743
744/*
745 * Forward declare iwl-4965.c functions for iwl-base.c
746 */
c79dd5b5 747extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
bb8c093b 748 struct iwl4965_tx_queue *txq,
b481de9c 749 u16 byte_cnt);
c79dd5b5 750extern void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr,
b481de9c 751 int is_ap);
c79dd5b5
TW		 752extern void iwl4965_set_rxon_chain(struct iwl_priv *priv);
753extern int iwl4965_alive_notify(struct iwl_priv *priv);
754extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
755extern void iwl4965_chain_noise_reset(struct iwl_priv *priv);
756extern void iwl4965_init_sensitivity(struct iwl_priv *priv, u8 flags,
b481de9c 757 u8 force);
c79dd5b5
TW		 758extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
759extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
4c424e4c
RR		 760 u32 rate_n_flags,
761 struct ieee80211_tx_control *control);
b481de9c 762
c8b0e6e1 763#ifdef CONFIG_IWL4965_HT
78330fdd
TW		 764void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info,
765 enum ieee80211_band band);
c79dd5b5 766void iwl4965_set_rxon_ht(struct iwl_priv *priv,
78330fdd 767 struct iwl_ht_info *ht_info);
c79dd5b5 768void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index,
67d62035 769 struct ieee80211_ht_info *sta_ht_inf);
78330fdd 770int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
9ab46173 771 enum ieee80211_ampdu_mlme_action action,
0df3ef45 772 const u8 *addr, u16 tid, u16 *ssn);
c79dd5b5 773int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
fe01b477 774 u8 tid, int txq_id);
78330fdd
TW		 775#else
776static inline void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info,
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
CH		 1053
1054#ifdef LED
1055 /* LED related variables */
bb8c093b 1056 struct iwl4965_activity_blink activity;
5d08cd1d
CH		 1057 unsigned long led_packets;
1058 int led_state;
1059#endif
1060
1061 u16 active_rate;
1062 u16 active_rate_basic;
1063
1064 u8 call_post_assoc_from_beacon;
1065 u8 assoc_station_added;
1066 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
5d08cd1d 1067 u8 valid_antenna; /* Bit mask of antennas actually connected */
c8b0e6e1 1068#ifdef CONFIG_IWL4965_SENSITIVITY
bb8c093b
CH		 1069 struct iwl4965_sensitivity_data sensitivity_data;
1070 struct iwl4965_chain_noise_data chain_noise_data;
5d08cd1d
CH		 1071 u8 start_calib;
1072 __le16 sensitivity_tbl[HD_TABLE_SIZE];
c8b0e6e1 1073#endif /*CONFIG_IWL4965_SENSITIVITY*/
5d08cd1d 1074
c8b0e6e1 1075#ifdef CONFIG_IWL4965_HT
9e0cc6de 1076 struct iwl_ht_info current_ht_config;
5d08cd1d 1077#endif
5d08cd1d
CH		 1078 u8 last_phy_res[100];
1079
1080 /* Rate scaling data */
bb8c093b 1081 struct iwl4965_lq_mngr lq_mngr;
5d08cd1d
CH		 1082
1083 /* Rate scaling data */
1084 s8 data_retry_limit;
1085 u8 retry_rate;
1086
1087 wait_queue_head_t wait_command_queue;
1088
1089 int activity_timer_active;
1090
1091 /* Rx and Tx DMA processing queues */
bb8c093b
CH		 1092 struct iwl4965_rx_queue rxq;
1093 struct iwl4965_tx_queue txq[IWL_MAX_NUM_QUEUES];
5d08cd1d 1094 unsigned long txq_ctx_active_msk;
bb8c093b 1095 struct iwl4965_kw kw; /* keep warm address */
5d08cd1d
CH		 1096 u32 scd_base_addr; /* scheduler sram base address */
1097
1098 unsigned long status;
5d08cd1d
CH		 1099
1100 int last_rx_rssi; /* From Rx packet statisitics */
1101 int last_rx_noise; /* From beacon statistics */
1102
19758bef
TW		 1103 /* counts mgmt, ctl, and data packets */
1104 struct traffic_stats {
1105 u32 cnt;
1106 u64 bytes;
1107 } tx_stats[3], rx_stats[3];
1108
bb8c093b 1109 struct iwl4965_power_mgr power_data;
5d08cd1d 1110
bb8c093b 1111 struct iwl4965_notif_statistics statistics;
5d08cd1d
CH		 1112 unsigned long last_statistics_time;
1113
1114 /* context information */
1115 u8 essid[IW_ESSID_MAX_SIZE];
1116 u8 essid_len;
1117 u16 rates_mask;
1118
1119 u32 power_mode;
1120 u32 antenna;
1121 u8 bssid[ETH_ALEN];
1122 u16 rts_threshold;
1123 u8 mac_addr[ETH_ALEN];
1124
1125 /*station table variables */
1126 spinlock_t sta_lock;
1127 int num_stations;
bb8c093b 1128 struct iwl4965_station_entry stations[IWL_STATION_COUNT];
5d08cd1d
CH		 1129
1130 /* Indication if ieee80211_ops->open has been called */
1131 int is_open;
1132
1133 u8 mac80211_registered;
5d08cd1d
CH		 1134
1135 u32 notif_missed_beacons;
1136
1137 /* Rx'd packet timing information */
1138 u32 last_beacon_time;
1139 u64 last_tsf;
1140
1141 /* Duplicate packet detection */
1142 u16 last_seq_num;
1143 u16 last_frag_num;
1144 unsigned long last_packet_time;
bc47279f
BC		 1145
1146 /* Hash table for finding stations in IBSS network */
5d08cd1d
CH		 1147 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1148
1149 /* eeprom */
bb8c093b 1150 struct iwl4965_eeprom eeprom;
5d08cd1d
CH		 1151
1152 int iw_mode;
1153
1154 struct sk_buff *ibss_beacon;
1155
1156 /* Last Rx'd beacon timestamp */
1157 u32 timestamp0;
1158 u32 timestamp1;
1159 u16 beacon_int;
bb8c093b 1160 struct iwl4965_driver_hw_info hw_setting;
32bfd35d 1161 struct ieee80211_vif *vif;
5d08cd1d
CH		 1162
1163 /* Current association information needed to configure the
1164 * hardware */
1165 u16 assoc_id;
1166 u16 assoc_capability;
1167 u8 ps_mode;
1168
bb8c093b 1169 struct iwl4965_qos_info qos_data;
5d08cd1d
CH		 1170
1171 struct workqueue_struct *workqueue;
1172
1173 struct work_struct up;
1174 struct work_struct restart;
1175 struct work_struct calibrated_work;
1176 struct work_struct scan_completed;
1177 struct work_struct rx_replenish;
1178 struct work_struct rf_kill;
1179 struct work_struct abort_scan;
1180 struct work_struct update_link_led;
1181 struct work_struct auth_work;
1182 struct work_struct report_work;
1183 struct work_struct request_scan;
1184 struct work_struct beacon_update;
1185
1186 struct tasklet_struct irq_tasklet;
1187
1188 struct delayed_work init_alive_start;
1189 struct delayed_work alive_start;
1190 struct delayed_work activity_timer;
1191 struct delayed_work thermal_periodic;
1192 struct delayed_work gather_stats;
1193 struct delayed_work scan_check;
1194 struct delayed_work post_associate;
1195
1196#define IWL_DEFAULT_TX_POWER 0x0F
1197 s8 user_txpower_limit;
1198 s8 max_channel_txpower_limit;
1199
1200#ifdef CONFIG_PM
1201 u32 pm_state[16];
1202#endif
1203
0a6857e7 1204#ifdef CONFIG_IWLWIFI_DEBUG
5d08cd1d
CH		 1205 /* debugging info */
1206 u32 framecnt_to_us;
1207 atomic_t restrict_refcnt;
712b6cf5
TW		 1208#ifdef CONFIG_IWLWIFI_DEBUGFS
1209 /* debugfs */
1210 struct iwl_debugfs *dbgfs;
1211#endif /* CONFIG_IWLWIFI_DEBUGFS */
1212#endif /* CONFIG_IWLWIFI_DEBUG */
5d08cd1d
CH		 1213
1214 struct work_struct txpower_work;
c8b0e6e1 1215#ifdef CONFIG_IWL4965_SENSITIVITY
5d08cd1d
CH		 1216 struct work_struct sensitivity_work;
1217#endif
1218 struct work_struct statistics_work;
1219 struct timer_list statistics_periodic;
c79dd5b5 1220}; /*iwl_priv */
5d08cd1d 1221
c79dd5b5 1222static inline int iwl4965_is_associated(struct iwl_priv *priv)
5d08cd1d
CH		 1223{
1224 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1225}
1226
bf85ea4f 1227static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
5d08cd1d
CH		 1228{
1229 if (ch_info == NULL)
1230 return 0;
1231 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1232}
1233
bf85ea4f 1234static inline int is_channel_narrow(const struct iwl_channel_info *ch_info)
5d08cd1d
CH		 1235{
1236 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
1237}
1238
bf85ea4f 1239static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
5d08cd1d
CH		 1240{
1241 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1242}
1243
bf85ea4f 1244static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
5d08cd1d 1245{
8318d78a 1246 return ch_info->band == IEEE80211_BAND_5GHZ;
5d08cd1d
CH		 1247}
1248
bf85ea4f 1249static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
5d08cd1d 1250{
8318d78a 1251 return ch_info->band == IEEE80211_BAND_2GHZ;
5d08cd1d
CH		 1252}
1253
bf85ea4f 1254static inline int is_channel_passive(const struct iwl_channel_info *ch)
5d08cd1d
CH		 1255{
1256 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1257}
1258
bf85ea4f 1259static inline int is_channel_ibss(const struct iwl_channel_info *ch)
5d08cd1d
CH		 1260{
1261 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1262}
1263
8622e705 1264extern const struct iwl_channel_info *iwl_get_channel_info(
c79dd5b5 1265 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
5d08cd1d 1266
c79dd5b5 1267/* Requires full declaration of iwl_priv before including */
5d08cd1d
CH		 1268#include "iwl-4965-io.h"
1269
bb8c093b 1270#endif /* __iwl4965_4965_h__ */
Linux kernel - Deliverables
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