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iwlwifi: remove redundant declaration of 'iwl3945_priv' and 'iwl4965_priv' structs
[deliverable/linux.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"
44#include "iwl-prph.h"
45#include "iwl-4965-debug.h"
46
47/* Default noise level to report when noise measurement is not available.
48 * This may be because we're:
49 * 1) Not associated (4965, no beacon statistics being sent to driver)
50 * 2) Scanning (noise measurement does not apply to associated channel)
51 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
52 * Use default noise value of -127 ... this is below the range of measurable
53 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
54 * Also, -127 works better than 0 when averaging frames with/without
55 * noise info (e.g. averaging might be done in app); measured dBm values are
56 * always negative ... using a negative value as the default keeps all
57 * averages within an s8's (used in some apps) range of negative values. */
58#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
59
60/* Module parameters accessible from iwl-*.c */
bb8c093b
CH		 61extern int iwl4965_param_hwcrypto;
62extern int iwl4965_param_queues_num;
5d08cd1d 63
bb8c093b 64enum iwl4965_antenna {
5d08cd1d
CH		 65 IWL_ANTENNA_DIVERSITY,
66 IWL_ANTENNA_MAIN,
67 IWL_ANTENNA_AUX
68};
69
70/*
71 * RTS threshold here is total size [2347] minus 4 FCS bytes
72 * Per spec:
73 * a value of 0 means RTS on all data/management packets
74 * a value > max MSDU size means no RTS
75 * else RTS for data/management frames where MPDU is larger
76 * than RTS value.
77 */
78#define DEFAULT_RTS_THRESHOLD 2347U
79#define MIN_RTS_THRESHOLD 0U
80#define MAX_RTS_THRESHOLD 2347U
81#define MAX_MSDU_SIZE 2304U
82#define MAX_MPDU_SIZE 2346U
83#define DEFAULT_BEACON_INTERVAL 100U
84#define DEFAULT_SHORT_RETRY_LIMIT 7U
85#define DEFAULT_LONG_RETRY_LIMIT 4U
86
bb8c093b 87struct iwl4965_rx_mem_buffer {
5d08cd1d
CH		 88 dma_addr_t dma_addr;
89 struct sk_buff *skb;
90 struct list_head list;
91};
92
bb8c093b 93struct iwl4965_rt_rx_hdr {
5d08cd1d
CH		 94 struct ieee80211_radiotap_header rt_hdr;
95 __le64 rt_tsf; /* TSF */
96 u8 rt_flags; /* radiotap packet flags */
97 u8 rt_rate; /* rate in 500kb/s */
98 __le16 rt_channelMHz; /* channel in MHz */
99 __le16 rt_chbitmask; /* channel bitfield */
100 s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
101 s8 rt_dbmnoise;
102 u8 rt_antenna; /* antenna number */
103 u8 payload[0]; /* payload... */
104} __attribute__ ((packed));
105
bb8c093b 106struct iwl4965_rt_tx_hdr {
5d08cd1d
CH		 107 struct ieee80211_radiotap_header rt_hdr;
108 u8 rt_rate; /* rate in 500kb/s */
109 __le16 rt_channel; /* channel in mHz */
110 __le16 rt_chbitmask; /* channel bitfield */
111 s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
112 u8 rt_antenna; /* antenna number */
113 u8 payload[0]; /* payload... */
114} __attribute__ ((packed));
115
116/*
117 * Generic queue structure
118 *
119 * Contains common data for Rx and Tx queues
120 */
bb8c093b 121struct iwl4965_queue {
5d08cd1d
CH		 122 int n_bd; /* number of BDs in this queue */
123 int write_ptr; /* 1-st empty entry (index) host_w*/
124 int read_ptr; /* last used entry (index) host_r*/
125 dma_addr_t dma_addr; /* physical addr for BD's */
126 int n_window; /* safe queue window */
127 u32 id;
128 int low_mark; /* low watermark, resume queue if free
129 * space more than this */
130 int high_mark; /* high watermark, stop queue if free
131 * space less than this */
132} __attribute__ ((packed));
133
134#define MAX_NUM_OF_TBS (20)
135
bc47279f 136/* One for each TFD */
bb8c093b 137struct iwl4965_tx_info {
5d08cd1d
CH		 138 struct ieee80211_tx_status status;
139 struct sk_buff *skb[MAX_NUM_OF_TBS];
140};
141
142/**
bb8c093b 143 * struct iwl4965_tx_queue - Tx Queue for DMA
bc47279f
BC		 144 * @q: generic Rx/Tx queue descriptor
145 * @bd: base of circular buffer of TFDs
146 * @cmd: array of command/Tx buffers
147 * @dma_addr_cmd: physical address of cmd/tx buffer array
148 * @txb: array of per-TFD driver data
149 * @need_update: indicates need to update read/write index
150 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
5d08cd1d 151 *
bc47279f
BC		 152 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
153 * descriptors) and required locking structures.
5d08cd1d 154 */
bb8c093b
CH		 155struct iwl4965_tx_queue {
156 struct iwl4965_queue q;
157 struct iwl4965_tfd_frame *bd;
158 struct iwl4965_cmd *cmd;
5d08cd1d 159 dma_addr_t dma_addr_cmd;
bb8c093b 160 struct iwl4965_tx_info *txb;
5d08cd1d
CH		 161 int need_update;
162 int sched_retry;
163 int active;
164};
165
166#define IWL_NUM_SCAN_RATES (2)
167
bb8c093b 168struct iwl4965_channel_tgd_info {
5d08cd1d
CH		 169 u8 type;
170 s8 max_power;
171};
172
bb8c093b 173struct iwl4965_channel_tgh_info {
5d08cd1d
CH		 174 s64 last_radar_time;
175};
176
177/* current Tx power values to use, one for each rate for each channel.
178 * requested power is limited by:
179 * -- regulatory EEPROM limits for this channel
180 * -- hardware capabilities (clip-powers)
181 * -- spectrum management
182 * -- user preference (e.g. iwconfig)
183 * when requested power is set, base power index must also be set. */
bb8c093b
CH		 184struct iwl4965_channel_power_info {
185 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 186 s8 power_table_index; /* actual (compenst'd) index into gain table */
187 s8 base_power_index; /* gain index for power at factory temp. */
188 s8 requested_power; /* power (dBm) requested for this chnl/rate */
189};
190
191/* current scan Tx power values to use, one for each scan rate for each
192 * channel. */
bb8c093b
CH		 193struct iwl4965_scan_power_info {
194 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 195 s8 power_table_index; /* actual (compenst'd) index into gain table */
196 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
197};
198
fcd427bb
BC		 199/* For fat_extension_channel */
200enum {
201 HT_IE_EXT_CHANNEL_NONE = 0,
202 HT_IE_EXT_CHANNEL_ABOVE,
203 HT_IE_EXT_CHANNEL_INVALID,
204 HT_IE_EXT_CHANNEL_BELOW,
205 HT_IE_EXT_CHANNEL_MAX
206};
207
5d08cd1d
CH		 208/*
209 * One for each channel, holds all channel setup data
210 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
211 * with one another!
212 */
213#define IWL4965_MAX_RATE (33)
214
bb8c093b
CH		 215struct iwl4965_channel_info {
216 struct iwl4965_channel_tgd_info tgd;
217 struct iwl4965_channel_tgh_info tgh;
fcd427bb
BC		 218 struct iwl4965_eeprom_channel eeprom; /* EEPROM regulatory limit */
219 struct iwl4965_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
220 * FAT channel */
5d08cd1d
CH		 221
222 u8 channel; /* channel number */
223 u8 flags; /* flags copied from EEPROM */
224 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
fcd427bb 225 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
5d08cd1d
CH		 226 s8 min_power; /* always 0 */
227 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
228
229 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
230 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
231 u8 phymode; /* MODE_IEEE80211{A,B,G} */
232
233 /* Radio/DSP gain settings for each "normal" data Tx rate.
234 * These include, in addition to RF and DSP gain, a few fields for
235 * remembering/modifying gain settings (indexes). */
bb8c093b 236 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
5d08cd1d
CH		 237
238 /* FAT channel info */
239 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
240 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
241 s8 fat_min_power; /* always 0 */
242 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
243 u8 fat_flags; /* flags copied from EEPROM */
fcd427bb 244 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
5d08cd1d
CH		 245
246 /* Radio/DSP gain settings for each scan rate, for directed scans. */
bb8c093b 247 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
5d08cd1d
CH		 248};
249
bb8c093b 250struct iwl4965_clip_group {
5d08cd1d
CH		 251 /* maximum power level to prevent clipping for each rate, derived by
252 * us from this band's saturation power in EEPROM */
253 const s8 clip_powers[IWL_MAX_RATES];
254};
255
256#include "iwl-4965-rs.h"
257
258#define IWL_TX_FIFO_AC0 0
259#define IWL_TX_FIFO_AC1 1
260#define IWL_TX_FIFO_AC2 2
261#define IWL_TX_FIFO_AC3 3
262#define IWL_TX_FIFO_HCCA_1 5
263#define IWL_TX_FIFO_HCCA_2 6
264#define IWL_TX_FIFO_NONE 7
265
266/* Minimum number of queues. MAX_NUM is defined in hw specific files */
267#define IWL_MIN_NUM_QUEUES 4
268
269/* Power management (not Tx power) structures */
270
bb8c093b
CH		 271struct iwl4965_power_vec_entry {
272 struct iwl4965_powertable_cmd cmd;
5d08cd1d
CH		 273 u8 no_dtim;
274};
275#define IWL_POWER_RANGE_0 (0)
276#define IWL_POWER_RANGE_1 (1)
277
278#define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
279#define IWL_POWER_INDEX_3 0x03
280#define IWL_POWER_INDEX_5 0x05
281#define IWL_POWER_AC 0x06
282#define IWL_POWER_BATTERY 0x07
283#define IWL_POWER_LIMIT 0x07
284#define IWL_POWER_MASK 0x0F
285#define IWL_POWER_ENABLED 0x10
286#define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
287
bb8c093b 288struct iwl4965_power_mgr {
5d08cd1d 289 spinlock_t lock;
bb8c093b
CH		 290 struct iwl4965_power_vec_entry pwr_range_0[IWL_POWER_AC];
291 struct iwl4965_power_vec_entry pwr_range_1[IWL_POWER_AC];
5d08cd1d
CH		 292 u8 active_index;
293 u32 dtim_val;
294};
295
296#define IEEE80211_DATA_LEN 2304
297#define IEEE80211_4ADDR_LEN 30
298#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
299#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
300
bb8c093b 301struct iwl4965_frame {
5d08cd1d
CH		 302 union {
303 struct ieee80211_hdr frame;
bb8c093b 304 struct iwl4965_tx_beacon_cmd beacon;
5d08cd1d
CH		 305 u8 raw[IEEE80211_FRAME_LEN];
306 u8 cmd[360];
307 } u;
308 struct list_head list;
309};
310
311#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
312#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
313#define SEQ_TO_INDEX(x) (x & 0xff)
314#define INDEX_TO_SEQ(x) (x & 0xff)
315#define SEQ_HUGE_FRAME (0x4000)
316#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
317#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
318#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
319#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
320
321enum {
322 /* CMD_SIZE_NORMAL = 0, */
323 CMD_SIZE_HUGE = (1 << 0),
324 /* CMD_SYNC = 0, */
325 CMD_ASYNC = (1 << 1),
326 /* CMD_NO_SKB = 0, */
327 CMD_WANT_SKB = (1 << 2),
328};
329
bb8c093b
CH		 330struct iwl4965_cmd;
331struct iwl4965_priv;
5d08cd1d 332
bb8c093b
CH		 333struct iwl4965_cmd_meta {
334 struct iwl4965_cmd_meta *source;
5d08cd1d
CH		 335 union {
336 struct sk_buff *skb;
bb8c093b
CH		 337 int (*callback)(struct iwl4965_priv *priv,
338 struct iwl4965_cmd *cmd, struct sk_buff *skb);
5d08cd1d
CH		 339 } __attribute__ ((packed)) u;
340
341 /* The CMD_SIZE_HUGE flag bit indicates that the command
342 * structure is stored at the end of the shared queue memory. */
343 u32 flags;
344
345} __attribute__ ((packed));
346
bc47279f
BC		 347/**
348 * struct iwl4965_cmd
349 *
350 * For allocation of the command and tx queues, this establishes the overall
351 * size of the largest command we send to uCode, except for a scan command
352 * (which is relatively huge; space is allocated separately).
353 */
bb8c093b 354struct iwl4965_cmd {
bc47279f
BC		 355 struct iwl4965_cmd_meta meta; /* driver data */
356 struct iwl4965_cmd_header hdr; /* uCode API */
5d08cd1d 357 union {
bb8c093b
CH		 358 struct iwl4965_addsta_cmd addsta;
359 struct iwl4965_led_cmd led;
5d08cd1d
CH		 360 u32 flags;
361 u8 val8;
362 u16 val16;
363 u32 val32;
bb8c093b
CH		 364 struct iwl4965_bt_cmd bt;
365 struct iwl4965_rxon_time_cmd rxon_time;
366 struct iwl4965_powertable_cmd powertable;
367 struct iwl4965_qosparam_cmd qosparam;
368 struct iwl4965_tx_cmd tx;
369 struct iwl4965_tx_beacon_cmd tx_beacon;
370 struct iwl4965_rxon_assoc_cmd rxon_assoc;
5d08cd1d
CH		 371 u8 *indirect;
372 u8 payload[360];
373 } __attribute__ ((packed)) cmd;
374} __attribute__ ((packed));
375
bb8c093b 376struct iwl4965_host_cmd {
5d08cd1d
CH		 377 u8 id;
378 u16 len;
bb8c093b 379 struct iwl4965_cmd_meta meta;
5d08cd1d
CH		 380 const void *data;
381};
382
bb8c093b
CH		 383#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl4965_cmd) - \
384 sizeof(struct iwl4965_cmd_meta))
5d08cd1d
CH		 385
386/*
387 * RX related structures and functions
388 */
389#define RX_FREE_BUFFERS 64
390#define RX_LOW_WATERMARK 8
391
392#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
393#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
394#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
395
396/**
bb8c093b 397 * struct iwl4965_rx_queue - Rx queue
5d08cd1d
CH		 398 * @processed: Internal index to last handled Rx packet
399 * @read: Shared index to newest available Rx buffer
400 * @write: Shared index to oldest written Rx packet
401 * @free_count: Number of pre-allocated buffers in rx_free
402 * @rx_free: list of free SKBs for use
403 * @rx_used: List of Rx buffers with no SKB
404 * @need_update: flag to indicate we need to update read/write index
405 *
bb8c093b 406 * NOTE: rx_free and rx_used are used as a FIFO for iwl4965_rx_mem_buffers
5d08cd1d 407 */
bb8c093b 408struct iwl4965_rx_queue {
5d08cd1d
CH		 409 __le32 *bd;
410 dma_addr_t dma_addr;
bb8c093b
CH		 411 struct iwl4965_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
412 struct iwl4965_rx_mem_buffer *queue[RX_QUEUE_SIZE];
5d08cd1d
CH		 413 u32 processed;
414 u32 read;
415 u32 write;
416 u32 free_count;
417 struct list_head rx_free;
418 struct list_head rx_used;
419 int need_update;
420 spinlock_t lock;
421};
422
423#define IWL_SUPPORTED_RATES_IE_LEN 8
424
425#define SCAN_INTERVAL 100
426
427#define MAX_A_CHANNELS 252
428#define MIN_A_CHANNELS 7
429
430#define MAX_B_CHANNELS 14
431#define MIN_B_CHANNELS 1
432
433#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
434#define STATUS_INT_ENABLED 1
435#define STATUS_RF_KILL_HW 2
436#define STATUS_RF_KILL_SW 3
437#define STATUS_INIT 4
438#define STATUS_ALIVE 5
439#define STATUS_READY 6
440#define STATUS_TEMPERATURE 7
441#define STATUS_GEO_CONFIGURED 8
442#define STATUS_EXIT_PENDING 9
443#define STATUS_IN_SUSPEND 10
444#define STATUS_STATISTICS 11
445#define STATUS_SCANNING 12
446#define STATUS_SCAN_ABORTING 13
447#define STATUS_SCAN_HW 14
448#define STATUS_POWER_PMI 15
449#define STATUS_FW_ERROR 16
450
451#define MAX_TID_COUNT 9
452
453#define IWL_INVALID_RATE 0xFF
454#define IWL_INVALID_VALUE -1
455
c8b0e6e1
CH		 456#ifdef CONFIG_IWL4965_HT
457#ifdef CONFIG_IWL4965_HT_AGG
bc47279f
BC		 458/**
459 * struct iwl4965_ht_agg -- aggregation status while waiting for block-ack
460 * @txq_id: Tx queue used for Tx attempt
461 * @frame_count: # frames attempted by Tx command
462 * @wait_for_ba: Expect block-ack before next Tx reply
463 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
464 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
465 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
466 * @rate_n_flags: Rate at which Tx was attempted
467 *
468 * If REPLY_TX indicates that aggregation was attempted, driver must wait
469 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
470 * until block ack arrives.
471 */
bb8c093b 472struct iwl4965_ht_agg {
5d08cd1d
CH		 473 u16 txq_id;
474 u16 frame_count;
475 u16 wait_for_ba;
476 u16 start_idx;
477 u32 bitmap0;
478 u32 bitmap1;
479 u32 rate_n_flags;
480};
c8b0e6e1
CH		 481#endif /* CONFIG_IWL4965_HT_AGG */
482#endif /* CONFIG_IWL4965_HT */
5d08cd1d 483
bb8c093b 484struct iwl4965_tid_data {
5d08cd1d 485 u16 seq_number;
c8b0e6e1
CH		 486#ifdef CONFIG_IWL4965_HT
487#ifdef CONFIG_IWL4965_HT_AGG
bb8c093b 488 struct iwl4965_ht_agg agg;
c8b0e6e1
CH		 489#endif /* CONFIG_IWL4965_HT_AGG */
490#endif /* CONFIG_IWL4965_HT */
5d08cd1d
CH		 491};
492
bb8c093b 493struct iwl4965_hw_key {
5d08cd1d
CH		 494 enum ieee80211_key_alg alg;
495 int keylen;
496 u8 key[32];
497};
498
bb8c093b 499union iwl4965_ht_rate_supp {
5d08cd1d
CH		 500 u16 rates;
501 struct {
502 u8 siso_rate;
503 u8 mimo_rate;
504 };
505};
506
c8b0e6e1 507#ifdef CONFIG_IWL4965_HT
5d08cd1d
CH		 508#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
509#define HT_IE_MAX_AMSDU_SIZE_4K (0)
510#define CFG_HT_MPDU_DENSITY_2USEC (0x5)
511#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
512
513struct sta_ht_info {
514 u8 is_ht;
515 u16 rx_mimo_ps_mode;
516 u16 tx_mimo_ps_mode;
517 u16 control_channel;
518 u8 max_amsdu_size;
519 u8 ampdu_factor;
520 u8 mpdu_density;
521 u8 operating_mode;
522 u8 supported_chan_width;
523 u8 extension_chan_offset;
524 u8 is_green_field;
77626355 525 u8 sgf; /* HT_SHORT_GI_* short guard interval */
5d08cd1d
CH		 526 u8 supp_rates[16];
527 u8 tx_chan_width;
528 u8 chan_width_cap;
529};
c8b0e6e1 530#endif /*CONFIG_IWL4965_HT */
5d08cd1d 531
c8b0e6e1 532#ifdef CONFIG_IWL4965_QOS
5d08cd1d 533
bb8c093b 534union iwl4965_qos_capabity {
5d08cd1d
CH		 535 struct {
536 u8 edca_count:4; /* bit 0-3 */
537 u8 q_ack:1; /* bit 4 */
538 u8 queue_request:1; /* bit 5 */
539 u8 txop_request:1; /* bit 6 */
540 u8 reserved:1; /* bit 7 */
541 } q_AP;
542 struct {
543 u8 acvo_APSD:1; /* bit 0 */
544 u8 acvi_APSD:1; /* bit 1 */
545 u8 ac_bk_APSD:1; /* bit 2 */
546 u8 ac_be_APSD:1; /* bit 3 */
547 u8 q_ack:1; /* bit 4 */
548 u8 max_len:2; /* bit 5-6 */
549 u8 more_data_ack:1; /* bit 7 */
550 } q_STA;
551 u8 val;
552};
553
554/* QoS structures */
bb8c093b 555struct iwl4965_qos_info {
5d08cd1d
CH		 556 int qos_enable;
557 int qos_active;
bb8c093b
CH		 558 union iwl4965_qos_capabity qos_cap;
559 struct iwl4965_qosparam_cmd def_qos_parm;
5d08cd1d 560};
c8b0e6e1 561#endif /*CONFIG_IWL4965_QOS */
5d08cd1d
CH		 562
563#define STA_PS_STATUS_WAKE 0
564#define STA_PS_STATUS_SLEEP 1
565
bb8c093b
CH		 566struct iwl4965_station_entry {
567 struct iwl4965_addsta_cmd sta;
568 struct iwl4965_tid_data tid[MAX_TID_COUNT];
5d08cd1d
CH		 569 u8 used;
570 u8 ps_status;
bb8c093b 571 struct iwl4965_hw_key keyinfo;
5d08cd1d
CH		 572};
573
574/* one for each uCode image (inst/data, boot/init/runtime) */
575struct fw_desc {
576 void *v_addr; /* access by driver */
577 dma_addr_t p_addr; /* access by card's busmaster DMA */
578 u32 len; /* bytes */
579};
580
581/* uCode file layout */
bb8c093b 582struct iwl4965_ucode {
5d08cd1d
CH		 583 __le32 ver; /* major/minor/subminor */
584 __le32 inst_size; /* bytes of runtime instructions */
585 __le32 data_size; /* bytes of runtime data */
586 __le32 init_size; /* bytes of initialization instructions */
587 __le32 init_data_size; /* bytes of initialization data */
588 __le32 boot_size; /* bytes of bootstrap instructions */
589 u8 data[0]; /* data in same order as "size" elements */
590};
591
592#define IWL_IBSS_MAC_HASH_SIZE 32
593
bb8c093b 594struct iwl4965_ibss_seq {
5d08cd1d
CH		 595 u8 mac[ETH_ALEN];
596 u16 seq_num;
597 u16 frag_num;
598 unsigned long packet_time;
599 struct list_head list;
600};
601
bc47279f
BC		 602/**
603 * struct iwl4965_driver_hw_info
604 * @max_txq_num: Max # Tx queues supported
605 * @ac_queue_count: # Tx queues for EDCA Access Categories (AC)
606 * @tx_cmd_len: Size of Tx command (but not including frame itself)
607 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
608 * @rx_buffer_size:
609 * @max_rxq_log: Log-base-2 of max_rxq_size
610 * @max_stations:
611 * @bcast_sta_id:
612 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
613 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
614 */
bb8c093b 615struct iwl4965_driver_hw_info {
5d08cd1d
CH		 616 u16 max_txq_num;
617 u16 ac_queue_count;
618 u16 tx_cmd_len;
619 u16 max_rxq_size;
620 u32 rx_buffer_size;
621 u16 max_rxq_log;
622 u8 max_stations;
623 u8 bcast_sta_id;
624 void *shared_virt;
625 dma_addr_t shared_phys;
626};
627
5d08cd1d
CH		 628#define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
629#define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
630
631
bb8c093b 632#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
5d08cd1d
CH		 633 x->u.rx_frame.stats.payload + \
634 x->u.rx_frame.stats.phy_count))
bb8c093b 635#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
5d08cd1d
CH		 636 IWL_RX_HDR(x)->payload + \
637 le16_to_cpu(IWL_RX_HDR(x)->len)))
638#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
639#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
640
641
642/******************************************************************************
643 *
644 * Functions implemented in iwl-base.c which are forward declared here
645 * for use by iwl-*.c
646 *
647 *****************************************************************************/
bb8c093b
CH		 648struct iwl4965_addsta_cmd;
649extern int iwl4965_send_add_station(struct iwl4965_priv *priv,
650 struct iwl4965_addsta_cmd *sta, u8 flags);
651extern u8 iwl4965_add_station_flags(struct iwl4965_priv *priv, const u8 *bssid,
5d08cd1d 652 int is_ap, u8 flags);
bb8c093b 653extern int iwl4965_is_network_packet(struct iwl4965_priv *priv,
5d08cd1d 654 struct ieee80211_hdr *header);
bb8c093b
CH		 655extern int iwl4965_power_init_handle(struct iwl4965_priv *priv);
656extern int iwl4965_eeprom_init(struct iwl4965_priv *priv);
c8b0e6e1 657#ifdef CONFIG_IWL4965_DEBUG
bb8c093b
CH		 658extern void iwl4965_report_frame(struct iwl4965_priv *priv,
659 struct iwl4965_rx_packet *pkt,
5d08cd1d
CH		 660 struct ieee80211_hdr *header, int group100);
661#else
bb8c093b
CH		 662static inline void iwl4965_report_frame(struct iwl4965_priv *priv,
663 struct iwl4965_rx_packet *pkt,
5d08cd1d
CH		 664 struct ieee80211_hdr *header,
665 int group100) {}
666#endif
bb8c093b
CH		 667extern void iwl4965_handle_data_packet_monitor(struct iwl4965_priv *priv,
668 struct iwl4965_rx_mem_buffer *rxb,
5d08cd1d
CH		 669 void *data, short len,
670 struct ieee80211_rx_status *stats,
671 u16 phy_flags);
bb8c093b
CH		 672extern int iwl4965_is_duplicate_packet(struct iwl4965_priv *priv,
673 struct ieee80211_hdr *header);
674extern int iwl4965_rx_queue_alloc(struct iwl4965_priv *priv);
675extern void iwl4965_rx_queue_reset(struct iwl4965_priv *priv,
676 struct iwl4965_rx_queue *rxq);
677extern int iwl4965_calc_db_from_ratio(int sig_ratio);
678extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
679extern int iwl4965_tx_queue_init(struct iwl4965_priv *priv,
680 struct iwl4965_tx_queue *txq, int count, u32 id);
681extern void iwl4965_rx_replenish(void *data);
682extern void iwl4965_tx_queue_free(struct iwl4965_priv *priv, struct iwl4965_tx_queue *txq);
683extern int iwl4965_send_cmd_pdu(struct iwl4965_priv *priv, u8 id, u16 len,
5d08cd1d 684 const void *data);
bb8c093b
CH		 685extern int __must_check iwl4965_send_cmd(struct iwl4965_priv *priv,
686 struct iwl4965_host_cmd *cmd);
687extern unsigned int iwl4965_fill_beacon_frame(struct iwl4965_priv *priv,
5d08cd1d
CH		 688 struct ieee80211_hdr *hdr,
689 const u8 *dest, int left);
bb8c093b
CH		 690extern int iwl4965_rx_queue_update_write_ptr(struct iwl4965_priv *priv,
691 struct iwl4965_rx_queue *q);
692extern int iwl4965_send_statistics_request(struct iwl4965_priv *priv);
693extern void iwl4965_set_decrypted_flag(struct iwl4965_priv *priv, struct sk_buff *skb,
5d08cd1d
CH		 694 u32 decrypt_res,
695 struct ieee80211_rx_status *stats);
696extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
697
bb8c093b 698extern const u8 iwl4965_broadcast_addr[ETH_ALEN];
5d08cd1d
CH		 699
700/*
701 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
702 * call this... todo... fix that.
703*/
bb8c093b 704extern u8 iwl4965_sync_station(struct iwl4965_priv *priv, int sta_id,
5d08cd1d
CH		 705 u16 tx_rate, u8 flags);
706
707/******************************************************************************
708 *
709 * Functions implemented in iwl-[34]*.c which are forward declared here
710 * for use by iwl-base.c
711 *
712 * NOTE: The implementation of these functions are hardware specific
713 * which is why they are in the hardware specific files (vs. iwl-base.c)
714 *
715 * Naming convention --
bb8c093b
CH		 716 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
717 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
5d08cd1d 718 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
bb8c093b
CH		 719 * iwl4965_bg_ <-- Called from work queue context
720 * iwl4965_mac_ <-- mac80211 callback
5d08cd1d
CH		 721 *
722 ****************************************************************************/
bb8c093b
CH		 723extern void iwl4965_hw_rx_handler_setup(struct iwl4965_priv *priv);
724extern void iwl4965_hw_setup_deferred_work(struct iwl4965_priv *priv);
725extern void iwl4965_hw_cancel_deferred_work(struct iwl4965_priv *priv);
726extern int iwl4965_hw_rxq_stop(struct iwl4965_priv *priv);
727extern int iwl4965_hw_set_hw_setting(struct iwl4965_priv *priv);
728extern int iwl4965_hw_nic_init(struct iwl4965_priv *priv);
729extern int iwl4965_hw_nic_stop_master(struct iwl4965_priv *priv);
730extern void iwl4965_hw_txq_ctx_free(struct iwl4965_priv *priv);
731extern void iwl4965_hw_txq_ctx_stop(struct iwl4965_priv *priv);
732extern int iwl4965_hw_nic_reset(struct iwl4965_priv *priv);
733extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl4965_priv *priv, void *tfd,
5d08cd1d 734 dma_addr_t addr, u16 len);
bb8c093b
CH		 735extern int iwl4965_hw_txq_free_tfd(struct iwl4965_priv *priv, struct iwl4965_tx_queue *txq);
736extern int iwl4965_hw_get_temperature(struct iwl4965_priv *priv);
737extern int iwl4965_hw_tx_queue_init(struct iwl4965_priv *priv,
738 struct iwl4965_tx_queue *txq);
739extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl4965_priv *priv,
740 struct iwl4965_frame *frame, u8 rate);
741extern int iwl4965_hw_get_rx_read(struct iwl4965_priv *priv);
742extern void iwl4965_hw_build_tx_cmd_rate(struct iwl4965_priv *priv,
743 struct iwl4965_cmd *cmd,
5d08cd1d
CH		 744 struct ieee80211_tx_control *ctrl,
745 struct ieee80211_hdr *hdr,
746 int sta_id, int tx_id);
bb8c093b
CH		 747extern int iwl4965_hw_reg_send_txpower(struct iwl4965_priv *priv);
748extern int iwl4965_hw_reg_set_txpower(struct iwl4965_priv *priv, s8 power);
749extern void iwl4965_hw_rx_statistics(struct iwl4965_priv *priv,
750 struct iwl4965_rx_mem_buffer *rxb);
751extern void iwl4965_disable_events(struct iwl4965_priv *priv);
752extern int iwl4965_get_temperature(const struct iwl4965_priv *priv);
5d08cd1d
CH		 753
754/**
bb8c093b 755 * iwl4965_hw_find_station - Find station id for a given BSSID
5d08cd1d
CH		 756 * @bssid: MAC address of station ID to find
757 *
758 * NOTE: This should not be hardware specific but the code has
759 * not yet been merged into a single common layer for managing the
760 * station tables.
761 */
bb8c093b 762extern u8 iwl4965_hw_find_station(struct iwl4965_priv *priv, const u8 *bssid);
5d08cd1d 763
bb8c093b
CH		 764extern int iwl4965_hw_channel_switch(struct iwl4965_priv *priv, u16 channel);
765extern int iwl4965_tx_queue_reclaim(struct iwl4965_priv *priv, int txq_id, int index);
5d08cd1d 766
bb8c093b 767struct iwl4965_priv;
b481de9c
ZY		 768struct sta_ht_info;
769
770/*
771 * Forward declare iwl-4965.c functions for iwl-base.c
772 */
bb8c093b
CH		 773extern int iwl4965_eeprom_acquire_semaphore(struct iwl4965_priv *priv);
774extern void iwl4965_eeprom_release_semaphore(struct iwl4965_priv *priv);
b481de9c 775
bb8c093b
CH		 776extern int iwl4965_tx_queue_update_wr_ptr(struct iwl4965_priv *priv,
777 struct iwl4965_tx_queue *txq,
b481de9c 778 u16 byte_cnt);
bb8c093b 779extern void iwl4965_add_station(struct iwl4965_priv *priv, const u8 *addr,
b481de9c 780 int is_ap);
bb8c093b 781extern void iwl4965_set_rxon_ht(struct iwl4965_priv *priv,
b481de9c
ZY		 782 struct sta_ht_info *ht_info);
783
bb8c093b
CH		 784extern void iwl4965_set_rxon_chain(struct iwl4965_priv *priv);
785extern int iwl4965_tx_cmd(struct iwl4965_priv *priv, struct iwl4965_cmd *out_cmd,
b481de9c
ZY		 786 u8 sta_id, dma_addr_t txcmd_phys,
787 struct ieee80211_hdr *hdr, u8 hdr_len,
788 struct ieee80211_tx_control *ctrl, void *sta_in);
bb8c093b
CH		 789extern int iwl4965_alive_notify(struct iwl4965_priv *priv);
790extern void iwl4965_update_rate_scaling(struct iwl4965_priv *priv, u8 mode);
791extern void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index);
792
793extern void iwl4965_chain_noise_reset(struct iwl4965_priv *priv);
794extern void iwl4965_init_sensitivity(struct iwl4965_priv *priv, u8 flags,
b481de9c 795 u8 force);
bb8c093b 796extern int iwl4965_set_fat_chan_info(struct iwl4965_priv *priv, int phymode,
b481de9c 797 u16 channel,
bb8c093b 798 const struct iwl4965_eeprom_channel *eeprom_ch,
b481de9c 799 u8 fat_extension_channel);
bb8c093b 800extern void iwl4965_rf_kill_ct_config(struct iwl4965_priv *priv);
b481de9c 801
c8b0e6e1
CH		 802#ifdef CONFIG_IWL4965_HT
803#ifdef CONFIG_IWL4965_HT_AGG
bb8c093b 804extern int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, u8 *da,
b481de9c 805 u16 tid, u16 *start_seq_num);
bb8c093b 806extern int iwl4965_mac_ht_rx_agg_start(struct ieee80211_hw *hw, u8 *da,
b481de9c 807 u16 tid, u16 start_seq_num);
bb8c093b 808extern int iwl4965_mac_ht_rx_agg_stop(struct ieee80211_hw *hw, u8 *da,
b481de9c 809 u16 tid, int generator);
bb8c093b 810extern int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, u8 *da,
b481de9c 811 u16 tid, int generator);
bb8c093b 812extern void iwl4965_turn_off_agg(struct iwl4965_priv *priv, u8 tid);
c8b0e6e1
CH		 813#endif /* CONFIG_IWL4965_HT_AGG */
814#endif /*CONFIG_IWL4965_HT */
b481de9c
ZY		 815/* Structures, enum, and defines specific to the 4965 */
816
817#define IWL4965_KW_SIZE 0x1000 /*4k */
818
bb8c093b 819struct iwl4965_kw {
b481de9c
ZY		 820 dma_addr_t dma_addr;
821 void *v_addr;
822 size_t size;
823};
824
825#define TID_QUEUE_CELL_SPACING 50 /*mS */
826#define TID_QUEUE_MAX_SIZE 20
827#define TID_ROUND_VALUE 5 /* mS */
828#define TID_MAX_LOAD_COUNT 8
829
830#define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING)
831#define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y))
832
833#define TID_ALL_ENABLED 0x7f
834#define TID_ALL_SPECIFIED 0xff
835#define TID_AGG_TPT_THREHOLD 0x0
836
837#define IWL_CHANNEL_WIDTH_20MHZ 0
838#define IWL_CHANNEL_WIDTH_40MHZ 1
839
840#define IWL_MIMO_PS_STATIC 0
841#define IWL_MIMO_PS_NONE 3
842#define IWL_MIMO_PS_DYNAMIC 1
843#define IWL_MIMO_PS_INVALID 2
844
845#define IWL_OPERATION_MODE_AUTO 0
846#define IWL_OPERATION_MODE_HT_ONLY 1
847#define IWL_OPERATION_MODE_MIXED 2
848#define IWL_OPERATION_MODE_20MHZ 3
849
850#define IWL_EXT_CHANNEL_OFFSET_AUTO 0
851#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
852#define IWL_EXT_CHANNEL_OFFSET_ 2
853#define IWL_EXT_CHANNEL_OFFSET_BELOW 3
854#define IWL_EXT_CHANNEL_OFFSET_MAX 4
855
856#define NRG_NUM_PREV_STAT_L 20
857#define NUM_RX_CHAINS (3)
858
b481de9c 859#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
b481de9c 860
bb8c093b 861struct iwl4965_traffic_load {
b481de9c
ZY		 862 unsigned long time_stamp;
863 u32 packet_count[TID_QUEUE_MAX_SIZE];
864 u8 queue_count;
865 u8 head;
866 u32 total;
867};
868
c8b0e6e1 869#ifdef CONFIG_IWL4965_HT_AGG
abceddb4
BC		 870/**
871 * struct iwl4965_agg_control
872 * @requested_ba: bit map of tids requesting aggregation/block-ack
873 * @granted_ba: bit map of tids granted aggregation/block-ack
874 */
bb8c093b 875struct iwl4965_agg_control {
b481de9c
ZY		 876 unsigned long next_retry;
877 u32 wait_for_agg_status;
878 u32 tid_retry;
879 u32 requested_ba;
880 u32 granted_ba;
881 u8 auto_agg;
882 u32 tid_traffic_load_threshold;
883 u32 ba_timeout;
bb8c093b 884 struct iwl4965_traffic_load traffic_load[TID_MAX_LOAD_COUNT];
b481de9c 885};
c8b0e6e1 886#endif /*CONFIG_IWL4965_HT_AGG */
b481de9c 887
bb8c093b 888struct iwl4965_lq_mngr {
c8b0e6e1 889#ifdef CONFIG_IWL4965_HT_AGG
bb8c093b 890 struct iwl4965_agg_control agg_ctrl;
b481de9c
ZY		 891#endif
892 spinlock_t lock;
893 s32 max_window_size;
894 s32 *expected_tpt;
895 u8 *next_higher_rate;
896 u8 *next_lower_rate;
897 unsigned long stamp;
898 unsigned long stamp_last;
899 u32 flush_time;
900 u32 tx_packets;
901 u8 lq_ready;
902};
903
904
905/* Sensitivity and chain noise calibration */
906#define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
907#define INITIALIZATION_VALUE 0xFFFF
908#define CAL_NUM_OF_BEACONS 20
909#define MAXIMUM_ALLOWED_PATHLOSS 15
910
b481de9c
ZY		 911#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
912
913#define MAX_FA_OFDM 50
914#define MIN_FA_OFDM 5
915#define MAX_FA_CCK 50
916#define MIN_FA_CCK 5
917
918#define NRG_MIN_CCK 97
919#define NRG_MAX_CCK 0
920
921#define AUTO_CORR_MIN_OFDM 85
922#define AUTO_CORR_MIN_OFDM_MRC 170
923#define AUTO_CORR_MIN_OFDM_X1 105
924#define AUTO_CORR_MIN_OFDM_MRC_X1 220
925#define AUTO_CORR_MAX_OFDM 120
926#define AUTO_CORR_MAX_OFDM_MRC 210
927#define AUTO_CORR_MAX_OFDM_X1 140
928#define AUTO_CORR_MAX_OFDM_MRC_X1 270
929#define AUTO_CORR_STEP_OFDM 1
930
931#define AUTO_CORR_MIN_CCK (125)
932#define AUTO_CORR_MAX_CCK (200)
933#define AUTO_CORR_MIN_CCK_MRC 200
934#define AUTO_CORR_MAX_CCK_MRC 400
935#define AUTO_CORR_STEP_CCK 3
936#define AUTO_CORR_MAX_TH_CCK 160
937
b481de9c
ZY		 938#define NRG_DIFF 2
939#define NRG_STEP_CCK 2
940#define NRG_MARGIN 8
941#define MAX_NUMBER_CCK_NO_FA 100
942
943#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
944
945#define CHAIN_A 0
946#define CHAIN_B 1
947#define CHAIN_C 2
948#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
949#define ALL_BAND_FILTER 0xFF00
950#define IN_BAND_FILTER 0xFF
951#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
952
bb8c093b 953enum iwl4965_false_alarm_state {
b481de9c
ZY		 954 IWL_FA_TOO_MANY = 0,
955 IWL_FA_TOO_FEW = 1,
956 IWL_FA_GOOD_RANGE = 2,
957};
958
bb8c093b 959enum iwl4965_chain_noise_state {
b481de9c
ZY		 960 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
961 IWL_CHAIN_NOISE_ACCUMULATE = 1,
962 IWL_CHAIN_NOISE_CALIBRATED = 2,
963};
964
bb8c093b 965enum iwl4965_sensitivity_state {
b481de9c
ZY		 966 IWL_SENS_CALIB_ALLOWED = 0,
967 IWL_SENS_CALIB_NEED_REINIT = 1,
968};
969
bb8c093b 970enum iwl4965_calib_enabled_state {
b481de9c
ZY		 971 IWL_CALIB_DISABLED = 0, /* must be 0 */
972 IWL_CALIB_ENABLED = 1,
973};
974
975struct statistics_general_data {
976 u32 beacon_silence_rssi_a;
977 u32 beacon_silence_rssi_b;
978 u32 beacon_silence_rssi_c;
979 u32 beacon_energy_a;
980 u32 beacon_energy_b;
981 u32 beacon_energy_c;
982};
983
984/* Sensitivity calib data */
bb8c093b 985struct iwl4965_sensitivity_data {
b481de9c
ZY		 986 u32 auto_corr_ofdm;
987 u32 auto_corr_ofdm_mrc;
988 u32 auto_corr_ofdm_x1;
989 u32 auto_corr_ofdm_mrc_x1;
990 u32 auto_corr_cck;
991 u32 auto_corr_cck_mrc;
992
993 u32 last_bad_plcp_cnt_ofdm;
994 u32 last_fa_cnt_ofdm;
995 u32 last_bad_plcp_cnt_cck;
996 u32 last_fa_cnt_cck;
997
998 u32 nrg_curr_state;
999 u32 nrg_prev_state;
1000 u32 nrg_value[10];
1001 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
1002 u32 nrg_silence_ref;
1003 u32 nrg_energy_idx;
1004 u32 nrg_silence_idx;
1005 u32 nrg_th_cck;
1006 s32 nrg_auto_corr_silence_diff;
1007 u32 num_in_cck_no_fa;
1008 u32 nrg_th_ofdm;
1009
1010 u8 state;
1011};
1012
1013/* Chain noise (differential Rx gain) calib data */
bb8c093b 1014struct iwl4965_chain_noise_data {
b481de9c
ZY		 1015 u8 state;
1016 u16 beacon_count;
1017 u32 chain_noise_a;
1018 u32 chain_noise_b;
1019 u32 chain_noise_c;
1020 u32 chain_signal_a;
1021 u32 chain_signal_b;
1022 u32 chain_signal_c;
1023 u8 disconn_array[NUM_RX_CHAINS];
1024 u8 delta_gain_code[NUM_RX_CHAINS];
1025 u8 radio_write;
1026};
1027
abceddb4
BC		 1028#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
1029#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
b481de9c 1030
5d08cd1d 1031
c8b0e6e1 1032#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d
CH		 1033
1034enum {
1035 MEASUREMENT_READY = (1 << 0),
1036 MEASUREMENT_ACTIVE = (1 << 1),
1037};
1038
1039#endif
1040
bb8c093b 1041struct iwl4965_priv {
5d08cd1d
CH		 1042
1043 /* ieee device used by generic ieee processing code */
1044 struct ieee80211_hw *hw;
1045 struct ieee80211_channel *ieee_channels;
1046 struct ieee80211_rate *ieee_rates;
1047
1048 /* temporary frame storage list */
1049 struct list_head free_frames;
1050 int frames_count;
1051
1052 u8 phymode;
1053 int alloc_rxb_skb;
1054
bb8c093b
CH		 1055 void (*rx_handlers[REPLY_MAX])(struct iwl4965_priv *priv,
1056 struct iwl4965_rx_mem_buffer *rxb);
5d08cd1d
CH		 1057
1058 const struct ieee80211_hw_mode *modes;
1059
c8b0e6e1 1060#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d 1061 /* spectrum measurement report caching */
bb8c093b 1062 struct iwl4965_spectrum_notification measure_report;
5d08cd1d
CH		 1063 u8 measurement_status;
1064#endif
1065 /* ucode beacon time */
1066 u32 ucode_beacon_time;
1067
bb8c093b 1068 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
5d08cd1d 1069 * Access via channel # using indirect index array */
bb8c093b 1070 struct iwl4965_channel_info *channel_info; /* channel info array */
5d08cd1d
CH		 1071 u8 channel_count; /* # of channels */
1072
1073 /* each calibration channel group in the EEPROM has a derived
1074 * clip setting for each rate. */
bb8c093b 1075 const struct iwl4965_clip_group clip_groups[5];
5d08cd1d
CH		 1076
1077 /* thermal calibration */
1078 s32 temperature; /* degrees Kelvin */
1079 s32 last_temperature;
1080
1081 /* Scan related variables */
1082 unsigned long last_scan_jiffies;
7878a5a4 1083 unsigned long next_scan_jiffies;
5d08cd1d
CH		 1084 unsigned long scan_start;
1085 unsigned long scan_pass_start;
1086 unsigned long scan_start_tsf;
1087 int scan_bands;
1088 int one_direct_scan;
1089 u8 direct_ssid_len;
1090 u8 direct_ssid[IW_ESSID_MAX_SIZE];
bb8c093b 1091 struct iwl4965_scan_cmd *scan;
5d08cd1d
CH		 1092 u8 only_active_channel;
1093
1094 /* spinlock */
1095 spinlock_t lock; /* protect general shared data */
1096 spinlock_t hcmd_lock; /* protect hcmd */
1097 struct mutex mutex;
1098
1099 /* basic pci-network driver stuff */
1100 struct pci_dev *pci_dev;
1101
1102 /* pci hardware address support */
1103 void __iomem *hw_base;
1104
1105 /* uCode images, save to reload in case of failure */
1106 struct fw_desc ucode_code; /* runtime inst */
1107 struct fw_desc ucode_data; /* runtime data original */
1108 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1109 struct fw_desc ucode_init; /* initialization inst */
1110 struct fw_desc ucode_init_data; /* initialization data */
1111 struct fw_desc ucode_boot; /* bootstrap inst */
1112
1113
bb8c093b 1114 struct iwl4965_rxon_time_cmd rxon_timing;
5d08cd1d
CH		 1115
1116 /* We declare this const so it can only be
1117 * changed via explicit cast within the
1118 * routines that actually update the physical
1119 * hardware */
bb8c093b
CH		 1120 const struct iwl4965_rxon_cmd active_rxon;
1121 struct iwl4965_rxon_cmd staging_rxon;
5d08cd1d
CH		 1122
1123 int error_recovering;
bb8c093b 1124 struct iwl4965_rxon_cmd recovery_rxon;
5d08cd1d
CH		 1125
1126 /* 1st responses from initialize and runtime uCode images.
1127 * 4965's initialize alive response contains some calibration data. */
bb8c093b
CH		 1128 struct iwl4965_init_alive_resp card_alive_init;
1129 struct iwl4965_alive_resp card_alive;
5d08cd1d
CH		 1130
1131#ifdef LED
1132 /* LED related variables */
bb8c093b 1133 struct iwl4965_activity_blink activity;
5d08cd1d
CH		 1134 unsigned long led_packets;
1135 int led_state;
1136#endif
1137
1138 u16 active_rate;
1139 u16 active_rate_basic;
1140
1141 u8 call_post_assoc_from_beacon;
1142 u8 assoc_station_added;
1143 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
bc47279f
BC		 1144
1145 /* High Throughput (HT) variables */
5d08cd1d
CH		 1146 u8 is_dup;
1147 u8 is_ht_enabled;
bc47279f 1148 u8 channel_width; /* 0=20MHZ, 1=40MHZ supported */
5d08cd1d
CH		 1149 u8 current_channel_width;
1150 u8 valid_antenna; /* Bit mask of antennas actually connected */
c8b0e6e1 1151#ifdef CONFIG_IWL4965_SENSITIVITY
bb8c093b
CH		 1152 struct iwl4965_sensitivity_data sensitivity_data;
1153 struct iwl4965_chain_noise_data chain_noise_data;
5d08cd1d
CH		 1154 u8 start_calib;
1155 __le16 sensitivity_tbl[HD_TABLE_SIZE];
c8b0e6e1 1156#endif /*CONFIG_IWL4965_SENSITIVITY*/
5d08cd1d 1157
c8b0e6e1 1158#ifdef CONFIG_IWL4965_HT
5d08cd1d
CH		 1159 struct sta_ht_info current_assoc_ht;
1160#endif
1161 u8 active_rate_ht[2];
1162 u8 last_phy_res[100];
1163
1164 /* Rate scaling data */
bb8c093b 1165 struct iwl4965_lq_mngr lq_mngr;
5d08cd1d
CH		 1166
1167 /* Rate scaling data */
1168 s8 data_retry_limit;
1169 u8 retry_rate;
1170
1171 wait_queue_head_t wait_command_queue;
1172
1173 int activity_timer_active;
1174
1175 /* Rx and Tx DMA processing queues */
bb8c093b
CH		 1176 struct iwl4965_rx_queue rxq;
1177 struct iwl4965_tx_queue txq[IWL_MAX_NUM_QUEUES];
5d08cd1d 1178 unsigned long txq_ctx_active_msk;
bb8c093b 1179 struct iwl4965_kw kw; /* keep warm address */
5d08cd1d
CH		 1180 u32 scd_base_addr; /* scheduler sram base address */
1181
1182 unsigned long status;
1183 u32 config;
1184
1185 int last_rx_rssi; /* From Rx packet statisitics */
1186 int last_rx_noise; /* From beacon statistics */
1187
bb8c093b 1188 struct iwl4965_power_mgr power_data;
5d08cd1d 1189
bb8c093b 1190 struct iwl4965_notif_statistics statistics;
5d08cd1d
CH		 1191 unsigned long last_statistics_time;
1192
1193 /* context information */
1194 u8 essid[IW_ESSID_MAX_SIZE];
1195 u8 essid_len;
1196 u16 rates_mask;
1197
1198 u32 power_mode;
1199 u32 antenna;
1200 u8 bssid[ETH_ALEN];
1201 u16 rts_threshold;
1202 u8 mac_addr[ETH_ALEN];
1203
1204 /*station table variables */
1205 spinlock_t sta_lock;
1206 int num_stations;
bb8c093b 1207 struct iwl4965_station_entry stations[IWL_STATION_COUNT];
5d08cd1d
CH		 1208
1209 /* Indication if ieee80211_ops->open has been called */
1210 int is_open;
1211
1212 u8 mac80211_registered;
1213 int is_abg;
1214
1215 u32 notif_missed_beacons;
1216
1217 /* Rx'd packet timing information */
1218 u32 last_beacon_time;
1219 u64 last_tsf;
1220
1221 /* Duplicate packet detection */
1222 u16 last_seq_num;
1223 u16 last_frag_num;
1224 unsigned long last_packet_time;
bc47279f
BC		 1225
1226 /* Hash table for finding stations in IBSS network */
5d08cd1d
CH		 1227 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1228
1229 /* eeprom */
bb8c093b 1230 struct iwl4965_eeprom eeprom;
5d08cd1d
CH		 1231
1232 int iw_mode;
1233
1234 struct sk_buff *ibss_beacon;
1235
1236 /* Last Rx'd beacon timestamp */
1237 u32 timestamp0;
1238 u32 timestamp1;
1239 u16 beacon_int;
bb8c093b 1240 struct iwl4965_driver_hw_info hw_setting;
5d08cd1d
CH		 1241 int interface_id;
1242
1243 /* Current association information needed to configure the
1244 * hardware */
1245 u16 assoc_id;
1246 u16 assoc_capability;
1247 u8 ps_mode;
1248
c8b0e6e1 1249#ifdef CONFIG_IWL4965_QOS
bb8c093b 1250 struct iwl4965_qos_info qos_data;
c8b0e6e1 1251#endif /*CONFIG_IWL4965_QOS */
5d08cd1d
CH		 1252
1253 struct workqueue_struct *workqueue;
1254
1255 struct work_struct up;
1256 struct work_struct restart;
1257 struct work_struct calibrated_work;
1258 struct work_struct scan_completed;
1259 struct work_struct rx_replenish;
1260 struct work_struct rf_kill;
1261 struct work_struct abort_scan;
1262 struct work_struct update_link_led;
1263 struct work_struct auth_work;
1264 struct work_struct report_work;
1265 struct work_struct request_scan;
1266 struct work_struct beacon_update;
1267
1268 struct tasklet_struct irq_tasklet;
1269
1270 struct delayed_work init_alive_start;
1271 struct delayed_work alive_start;
1272 struct delayed_work activity_timer;
1273 struct delayed_work thermal_periodic;
1274 struct delayed_work gather_stats;
1275 struct delayed_work scan_check;
1276 struct delayed_work post_associate;
1277
1278#define IWL_DEFAULT_TX_POWER 0x0F
1279 s8 user_txpower_limit;
1280 s8 max_channel_txpower_limit;
1281
1282#ifdef CONFIG_PM
1283 u32 pm_state[16];
1284#endif
1285
c8b0e6e1 1286#ifdef CONFIG_IWL4965_DEBUG
5d08cd1d
CH		 1287 /* debugging info */
1288 u32 framecnt_to_us;
1289 atomic_t restrict_refcnt;
1290#endif
1291
1292 struct work_struct txpower_work;
c8b0e6e1 1293#ifdef CONFIG_IWL4965_SENSITIVITY
5d08cd1d
CH		 1294 struct work_struct sensitivity_work;
1295#endif
1296 struct work_struct statistics_work;
1297 struct timer_list statistics_periodic;
1298
c8b0e6e1 1299#ifdef CONFIG_IWL4965_HT_AGG
5d08cd1d
CH		 1300 struct work_struct agg_work;
1301#endif
bb8c093b 1302}; /*iwl4965_priv */
5d08cd1d 1303
bb8c093b 1304static inline int iwl4965_is_associated(struct iwl4965_priv *priv)
5d08cd1d
CH		 1305{
1306 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1307}
1308
bb8c093b 1309static inline int is_channel_valid(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1310{
1311 if (ch_info == NULL)
1312 return 0;
1313 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1314}
1315
bb8c093b 1316static inline int is_channel_narrow(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1317{
1318 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
1319}
1320
bb8c093b 1321static inline int is_channel_radar(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1322{
1323 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1324}
1325
bb8c093b 1326static inline u8 is_channel_a_band(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1327{
1328 return ch_info->phymode == MODE_IEEE80211A;
1329}
1330
bb8c093b 1331static inline u8 is_channel_bg_band(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1332{
1333 return ((ch_info->phymode == MODE_IEEE80211B) ||
1334 (ch_info->phymode == MODE_IEEE80211G));
1335}
1336
bb8c093b 1337static inline int is_channel_passive(const struct iwl4965_channel_info *ch)
5d08cd1d
CH		 1338{
1339 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1340}
1341
bb8c093b 1342static inline int is_channel_ibss(const struct iwl4965_channel_info *ch)
5d08cd1d
CH		 1343{
1344 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1345}
1346
bb8c093b
CH		 1347extern const struct iwl4965_channel_info *iwl4965_get_channel_info(
1348 const struct iwl4965_priv *priv, int phymode, u16 channel);
5d08cd1d 1349
bb8c093b 1350/* Requires full declaration of iwl4965_priv before including */
5d08cd1d
CH		 1351#include "iwl-4965-io.h"
1352
bb8c093b 1353#endif /* __iwl4965_4965_h__ */
Linux kernel - Deliverables
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