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iwlwifi: 802.11n comply HT self configuration flow with mac80211 framework
[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / iwlwifi / iwl-4965.h
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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
9e0cc6de
RR		 513struct iwl_ht_info {
514 /* self configuration data */
5d08cd1d 515 u8 is_ht;
9e0cc6de 516 u8 supported_chan_width;
5d08cd1d 517 u16 tx_mimo_ps_mode;
9e0cc6de
RR		 518 u8 is_green_field;
519 u8 sgf;
5d08cd1d
CH		 520 u8 max_amsdu_size;
521 u8 ampdu_factor;
522 u8 mpdu_density;
9e0cc6de
RR		 523 u8 supp_mcs_set[16];
524 /* BSS related data */
525 u8 control_channel;
5d08cd1d 526 u8 extension_chan_offset;
5d08cd1d 527 u8 tx_chan_width;
9e0cc6de
RR		 528 u8 ht_protection;
529 u8 non_GF_STA_present;
5d08cd1d 530};
c8b0e6e1 531#endif /*CONFIG_IWL4965_HT */
5d08cd1d 532
c8b0e6e1 533#ifdef CONFIG_IWL4965_QOS
5d08cd1d 534
bb8c093b 535union iwl4965_qos_capabity {
5d08cd1d
CH		 536 struct {
537 u8 edca_count:4; /* bit 0-3 */
538 u8 q_ack:1; /* bit 4 */
539 u8 queue_request:1; /* bit 5 */
540 u8 txop_request:1; /* bit 6 */
541 u8 reserved:1; /* bit 7 */
542 } q_AP;
543 struct {
544 u8 acvo_APSD:1; /* bit 0 */
545 u8 acvi_APSD:1; /* bit 1 */
546 u8 ac_bk_APSD:1; /* bit 2 */
547 u8 ac_be_APSD:1; /* bit 3 */
548 u8 q_ack:1; /* bit 4 */
549 u8 max_len:2; /* bit 5-6 */
550 u8 more_data_ack:1; /* bit 7 */
551 } q_STA;
552 u8 val;
553};
554
555/* QoS structures */
bb8c093b 556struct iwl4965_qos_info {
5d08cd1d
CH		 557 int qos_enable;
558 int qos_active;
bb8c093b
CH		 559 union iwl4965_qos_capabity qos_cap;
560 struct iwl4965_qosparam_cmd def_qos_parm;
5d08cd1d 561};
c8b0e6e1 562#endif /*CONFIG_IWL4965_QOS */
5d08cd1d
CH		 563
564#define STA_PS_STATUS_WAKE 0
565#define STA_PS_STATUS_SLEEP 1
566
bb8c093b
CH		 567struct iwl4965_station_entry {
568 struct iwl4965_addsta_cmd sta;
569 struct iwl4965_tid_data tid[MAX_TID_COUNT];
5d08cd1d
CH		 570 u8 used;
571 u8 ps_status;
bb8c093b 572 struct iwl4965_hw_key keyinfo;
5d08cd1d
CH		 573};
574
575/* one for each uCode image (inst/data, boot/init/runtime) */
576struct fw_desc {
577 void *v_addr; /* access by driver */
578 dma_addr_t p_addr; /* access by card's busmaster DMA */
579 u32 len; /* bytes */
580};
581
582/* uCode file layout */
bb8c093b 583struct iwl4965_ucode {
5d08cd1d
CH		 584 __le32 ver; /* major/minor/subminor */
585 __le32 inst_size; /* bytes of runtime instructions */
586 __le32 data_size; /* bytes of runtime data */
587 __le32 init_size; /* bytes of initialization instructions */
588 __le32 init_data_size; /* bytes of initialization data */
589 __le32 boot_size; /* bytes of bootstrap instructions */
590 u8 data[0]; /* data in same order as "size" elements */
591};
592
593#define IWL_IBSS_MAC_HASH_SIZE 32
594
bb8c093b 595struct iwl4965_ibss_seq {
5d08cd1d
CH		 596 u8 mac[ETH_ALEN];
597 u16 seq_num;
598 u16 frag_num;
599 unsigned long packet_time;
600 struct list_head list;
601};
602
bc47279f
BC		 603/**
604 * struct iwl4965_driver_hw_info
605 * @max_txq_num: Max # Tx queues supported
606 * @ac_queue_count: # Tx queues for EDCA Access Categories (AC)
607 * @tx_cmd_len: Size of Tx command (but not including frame itself)
608 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
609 * @rx_buffer_size:
610 * @max_rxq_log: Log-base-2 of max_rxq_size
611 * @max_stations:
612 * @bcast_sta_id:
613 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
614 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
615 */
bb8c093b 616struct iwl4965_driver_hw_info {
5d08cd1d
CH		 617 u16 max_txq_num;
618 u16 ac_queue_count;
619 u16 tx_cmd_len;
620 u16 max_rxq_size;
621 u32 rx_buffer_size;
622 u16 max_rxq_log;
623 u8 max_stations;
624 u8 bcast_sta_id;
625 void *shared_virt;
626 dma_addr_t shared_phys;
627};
628
5d08cd1d
CH		 629#define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
630#define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
631
632
bb8c093b 633#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
5d08cd1d
CH		 634 x->u.rx_frame.stats.payload + \
635 x->u.rx_frame.stats.phy_count))
bb8c093b 636#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
5d08cd1d
CH		 637 IWL_RX_HDR(x)->payload + \
638 le16_to_cpu(IWL_RX_HDR(x)->len)))
639#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
640#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
641
642
643/******************************************************************************
644 *
645 * Functions implemented in iwl-base.c which are forward declared here
646 * for use by iwl-*.c
647 *
648 *****************************************************************************/
bb8c093b
CH		 649struct iwl4965_addsta_cmd;
650extern int iwl4965_send_add_station(struct iwl4965_priv *priv,
651 struct iwl4965_addsta_cmd *sta, u8 flags);
652extern u8 iwl4965_add_station_flags(struct iwl4965_priv *priv, const u8 *bssid,
5d08cd1d 653 int is_ap, u8 flags);
bb8c093b 654extern int iwl4965_is_network_packet(struct iwl4965_priv *priv,
5d08cd1d 655 struct ieee80211_hdr *header);
bb8c093b
CH		 656extern int iwl4965_power_init_handle(struct iwl4965_priv *priv);
657extern int iwl4965_eeprom_init(struct iwl4965_priv *priv);
c8b0e6e1 658#ifdef CONFIG_IWL4965_DEBUG
bb8c093b
CH		 659extern void iwl4965_report_frame(struct iwl4965_priv *priv,
660 struct iwl4965_rx_packet *pkt,
5d08cd1d
CH		 661 struct ieee80211_hdr *header, int group100);
662#else
bb8c093b
CH		 663static inline void iwl4965_report_frame(struct iwl4965_priv *priv,
664 struct iwl4965_rx_packet *pkt,
5d08cd1d
CH		 665 struct ieee80211_hdr *header,
666 int group100) {}
667#endif
bb8c093b
CH		 668extern void iwl4965_handle_data_packet_monitor(struct iwl4965_priv *priv,
669 struct iwl4965_rx_mem_buffer *rxb,
5d08cd1d
CH		 670 void *data, short len,
671 struct ieee80211_rx_status *stats,
672 u16 phy_flags);
bb8c093b
CH		 673extern int iwl4965_is_duplicate_packet(struct iwl4965_priv *priv,
674 struct ieee80211_hdr *header);
675extern int iwl4965_rx_queue_alloc(struct iwl4965_priv *priv);
676extern void iwl4965_rx_queue_reset(struct iwl4965_priv *priv,
677 struct iwl4965_rx_queue *rxq);
678extern int iwl4965_calc_db_from_ratio(int sig_ratio);
679extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
680extern int iwl4965_tx_queue_init(struct iwl4965_priv *priv,
681 struct iwl4965_tx_queue *txq, int count, u32 id);
682extern void iwl4965_rx_replenish(void *data);
683extern void iwl4965_tx_queue_free(struct iwl4965_priv *priv, struct iwl4965_tx_queue *txq);
684extern int iwl4965_send_cmd_pdu(struct iwl4965_priv *priv, u8 id, u16 len,
5d08cd1d 685 const void *data);
bb8c093b
CH		 686extern int __must_check iwl4965_send_cmd(struct iwl4965_priv *priv,
687 struct iwl4965_host_cmd *cmd);
688extern unsigned int iwl4965_fill_beacon_frame(struct iwl4965_priv *priv,
5d08cd1d
CH		 689 struct ieee80211_hdr *hdr,
690 const u8 *dest, int left);
bb8c093b
CH		 691extern int iwl4965_rx_queue_update_write_ptr(struct iwl4965_priv *priv,
692 struct iwl4965_rx_queue *q);
693extern int iwl4965_send_statistics_request(struct iwl4965_priv *priv);
694extern void iwl4965_set_decrypted_flag(struct iwl4965_priv *priv, struct sk_buff *skb,
5d08cd1d
CH		 695 u32 decrypt_res,
696 struct ieee80211_rx_status *stats);
697extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
698
bb8c093b 699extern const u8 iwl4965_broadcast_addr[ETH_ALEN];
5d08cd1d
CH		 700
701/*
702 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
703 * call this... todo... fix that.
704*/
bb8c093b 705extern u8 iwl4965_sync_station(struct iwl4965_priv *priv, int sta_id,
5d08cd1d
CH		 706 u16 tx_rate, u8 flags);
707
708/******************************************************************************
709 *
710 * Functions implemented in iwl-[34]*.c which are forward declared here
711 * for use by iwl-base.c
712 *
713 * NOTE: The implementation of these functions are hardware specific
714 * which is why they are in the hardware specific files (vs. iwl-base.c)
715 *
716 * Naming convention --
bb8c093b
CH		 717 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
718 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
5d08cd1d 719 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
bb8c093b
CH		 720 * iwl4965_bg_ <-- Called from work queue context
721 * iwl4965_mac_ <-- mac80211 callback
5d08cd1d
CH		 722 *
723 ****************************************************************************/
bb8c093b
CH		 724extern void iwl4965_hw_rx_handler_setup(struct iwl4965_priv *priv);
725extern void iwl4965_hw_setup_deferred_work(struct iwl4965_priv *priv);
726extern void iwl4965_hw_cancel_deferred_work(struct iwl4965_priv *priv);
727extern int iwl4965_hw_rxq_stop(struct iwl4965_priv *priv);
728extern int iwl4965_hw_set_hw_setting(struct iwl4965_priv *priv);
729extern int iwl4965_hw_nic_init(struct iwl4965_priv *priv);
730extern int iwl4965_hw_nic_stop_master(struct iwl4965_priv *priv);
731extern void iwl4965_hw_txq_ctx_free(struct iwl4965_priv *priv);
732extern void iwl4965_hw_txq_ctx_stop(struct iwl4965_priv *priv);
733extern int iwl4965_hw_nic_reset(struct iwl4965_priv *priv);
734extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl4965_priv *priv, void *tfd,
5d08cd1d 735 dma_addr_t addr, u16 len);
bb8c093b
CH		 736extern int iwl4965_hw_txq_free_tfd(struct iwl4965_priv *priv, struct iwl4965_tx_queue *txq);
737extern int iwl4965_hw_get_temperature(struct iwl4965_priv *priv);
738extern int iwl4965_hw_tx_queue_init(struct iwl4965_priv *priv,
739 struct iwl4965_tx_queue *txq);
740extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl4965_priv *priv,
741 struct iwl4965_frame *frame, u8 rate);
742extern int iwl4965_hw_get_rx_read(struct iwl4965_priv *priv);
743extern void iwl4965_hw_build_tx_cmd_rate(struct iwl4965_priv *priv,
744 struct iwl4965_cmd *cmd,
5d08cd1d
CH		 745 struct ieee80211_tx_control *ctrl,
746 struct ieee80211_hdr *hdr,
747 int sta_id, int tx_id);
bb8c093b
CH		 748extern int iwl4965_hw_reg_send_txpower(struct iwl4965_priv *priv);
749extern int iwl4965_hw_reg_set_txpower(struct iwl4965_priv *priv, s8 power);
750extern void iwl4965_hw_rx_statistics(struct iwl4965_priv *priv,
751 struct iwl4965_rx_mem_buffer *rxb);
752extern void iwl4965_disable_events(struct iwl4965_priv *priv);
753extern int iwl4965_get_temperature(const struct iwl4965_priv *priv);
5d08cd1d
CH		 754
755/**
bb8c093b 756 * iwl4965_hw_find_station - Find station id for a given BSSID
5d08cd1d
CH		 757 * @bssid: MAC address of station ID to find
758 *
759 * NOTE: This should not be hardware specific but the code has
760 * not yet been merged into a single common layer for managing the
761 * station tables.
762 */
bb8c093b 763extern u8 iwl4965_hw_find_station(struct iwl4965_priv *priv, const u8 *bssid);
5d08cd1d 764
bb8c093b
CH		 765extern int iwl4965_hw_channel_switch(struct iwl4965_priv *priv, u16 channel);
766extern int iwl4965_tx_queue_reclaim(struct iwl4965_priv *priv, int txq_id, int index);
5d08cd1d 767
bb8c093b 768struct iwl4965_priv;
b481de9c
ZY		 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
CH		 781extern void iwl4965_set_rxon_chain(struct iwl4965_priv *priv);
782extern int iwl4965_tx_cmd(struct iwl4965_priv *priv, struct iwl4965_cmd *out_cmd,
b481de9c
ZY		 783 u8 sta_id, dma_addr_t txcmd_phys,
784 struct ieee80211_hdr *hdr, u8 hdr_len,
785 struct ieee80211_tx_control *ctrl, void *sta_in);
bb8c093b
CH		 786extern int iwl4965_alive_notify(struct iwl4965_priv *priv);
787extern void iwl4965_update_rate_scaling(struct iwl4965_priv *priv, u8 mode);
788extern void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index);
789
790extern void iwl4965_chain_noise_reset(struct iwl4965_priv *priv);
791extern void iwl4965_init_sensitivity(struct iwl4965_priv *priv, u8 flags,
b481de9c 792 u8 force);
bb8c093b 793extern int iwl4965_set_fat_chan_info(struct iwl4965_priv *priv, int phymode,
b481de9c 794 u16 channel,
bb8c093b 795 const struct iwl4965_eeprom_channel *eeprom_ch,
b481de9c 796 u8 fat_extension_channel);
bb8c093b 797extern void iwl4965_rf_kill_ct_config(struct iwl4965_priv *priv);
b481de9c 798
c8b0e6e1 799#ifdef CONFIG_IWL4965_HT
326eeee8
RR		 800extern void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info,
801 int mode);
fd105e79
RR		 802extern void iwl4965_set_rxon_ht(struct iwl4965_priv *priv,
803 struct iwl_ht_info *ht_info);
c8b0e6e1 804#ifdef CONFIG_IWL4965_HT_AGG
bb8c093b 805extern int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, u8 *da,
b481de9c 806 u16 tid, u16 *start_seq_num);
bb8c093b 807extern int iwl4965_mac_ht_rx_agg_start(struct ieee80211_hw *hw, u8 *da,
b481de9c 808 u16 tid, u16 start_seq_num);
bb8c093b 809extern int iwl4965_mac_ht_rx_agg_stop(struct ieee80211_hw *hw, u8 *da,
b481de9c 810 u16 tid, int generator);
bb8c093b 811extern int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, u8 *da,
b481de9c 812 u16 tid, int generator);
bb8c093b 813extern void iwl4965_turn_off_agg(struct iwl4965_priv *priv, u8 tid);
c8b0e6e1
CH		 814#endif /* CONFIG_IWL4965_HT_AGG */
815#endif /*CONFIG_IWL4965_HT */
b481de9c
ZY		 816/* Structures, enum, and defines specific to the 4965 */
817
818#define IWL4965_KW_SIZE 0x1000 /*4k */
819
bb8c093b 820struct iwl4965_kw {
b481de9c
ZY		 821 dma_addr_t dma_addr;
822 void *v_addr;
823 size_t size;
824};
825
826#define TID_QUEUE_CELL_SPACING 50 /*mS */
827#define TID_QUEUE_MAX_SIZE 20
828#define TID_ROUND_VALUE 5 /* mS */
829#define TID_MAX_LOAD_COUNT 8
830
831#define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING)
832#define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y))
833
834#define TID_ALL_ENABLED 0x7f
835#define TID_ALL_SPECIFIED 0xff
836#define TID_AGG_TPT_THREHOLD 0x0
837
838#define IWL_CHANNEL_WIDTH_20MHZ 0
839#define IWL_CHANNEL_WIDTH_40MHZ 1
840
841#define IWL_MIMO_PS_STATIC 0
842#define IWL_MIMO_PS_NONE 3
843#define IWL_MIMO_PS_DYNAMIC 1
844#define IWL_MIMO_PS_INVALID 2
845
846#define IWL_OPERATION_MODE_AUTO 0
847#define IWL_OPERATION_MODE_HT_ONLY 1
848#define IWL_OPERATION_MODE_MIXED 2
849#define IWL_OPERATION_MODE_20MHZ 3
850
851#define IWL_EXT_CHANNEL_OFFSET_AUTO 0
852#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
853#define IWL_EXT_CHANNEL_OFFSET_ 2
854#define IWL_EXT_CHANNEL_OFFSET_BELOW 3
855#define IWL_EXT_CHANNEL_OFFSET_MAX 4
856
857#define NRG_NUM_PREV_STAT_L 20
858#define NUM_RX_CHAINS (3)
859
b481de9c 860#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
b481de9c 861
bb8c093b 862struct iwl4965_traffic_load {
b481de9c
ZY		 863 unsigned long time_stamp;
864 u32 packet_count[TID_QUEUE_MAX_SIZE];
865 u8 queue_count;
866 u8 head;
867 u32 total;
868};
869
c8b0e6e1 870#ifdef CONFIG_IWL4965_HT_AGG
abceddb4
BC		 871/**
872 * struct iwl4965_agg_control
873 * @requested_ba: bit map of tids requesting aggregation/block-ack
874 * @granted_ba: bit map of tids granted aggregation/block-ack
875 */
bb8c093b 876struct iwl4965_agg_control {
b481de9c
ZY		 877 unsigned long next_retry;
878 u32 wait_for_agg_status;
879 u32 tid_retry;
880 u32 requested_ba;
881 u32 granted_ba;
882 u8 auto_agg;
883 u32 tid_traffic_load_threshold;
884 u32 ba_timeout;
bb8c093b 885 struct iwl4965_traffic_load traffic_load[TID_MAX_LOAD_COUNT];
b481de9c 886};
c8b0e6e1 887#endif /*CONFIG_IWL4965_HT_AGG */
b481de9c 888
bb8c093b 889struct iwl4965_lq_mngr {
c8b0e6e1 890#ifdef CONFIG_IWL4965_HT_AGG
bb8c093b 891 struct iwl4965_agg_control agg_ctrl;
b481de9c
ZY		 892#endif
893 spinlock_t lock;
894 s32 max_window_size;
895 s32 *expected_tpt;
896 u8 *next_higher_rate;
897 u8 *next_lower_rate;
898 unsigned long stamp;
899 unsigned long stamp_last;
900 u32 flush_time;
901 u32 tx_packets;
902 u8 lq_ready;
903};
904
905
906/* Sensitivity and chain noise calibration */
907#define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
908#define INITIALIZATION_VALUE 0xFFFF
909#define CAL_NUM_OF_BEACONS 20
910#define MAXIMUM_ALLOWED_PATHLOSS 15
911
b481de9c
ZY		 912#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
913
914#define MAX_FA_OFDM 50
915#define MIN_FA_OFDM 5
916#define MAX_FA_CCK 50
917#define MIN_FA_CCK 5
918
919#define NRG_MIN_CCK 97
920#define NRG_MAX_CCK 0
921
922#define AUTO_CORR_MIN_OFDM 85
923#define AUTO_CORR_MIN_OFDM_MRC 170
924#define AUTO_CORR_MIN_OFDM_X1 105
925#define AUTO_CORR_MIN_OFDM_MRC_X1 220
926#define AUTO_CORR_MAX_OFDM 120
927#define AUTO_CORR_MAX_OFDM_MRC 210
928#define AUTO_CORR_MAX_OFDM_X1 140
929#define AUTO_CORR_MAX_OFDM_MRC_X1 270
930#define AUTO_CORR_STEP_OFDM 1
931
932#define AUTO_CORR_MIN_CCK (125)
933#define AUTO_CORR_MAX_CCK (200)
934#define AUTO_CORR_MIN_CCK_MRC 200
935#define AUTO_CORR_MAX_CCK_MRC 400
936#define AUTO_CORR_STEP_CCK 3
937#define AUTO_CORR_MAX_TH_CCK 160
938
b481de9c
ZY		 939#define NRG_DIFF 2
940#define NRG_STEP_CCK 2
941#define NRG_MARGIN 8
942#define MAX_NUMBER_CCK_NO_FA 100
943
944#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
945
946#define CHAIN_A 0
947#define CHAIN_B 1
948#define CHAIN_C 2
949#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
950#define ALL_BAND_FILTER 0xFF00
951#define IN_BAND_FILTER 0xFF
952#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
953
bb8c093b 954enum iwl4965_false_alarm_state {
b481de9c
ZY		 955 IWL_FA_TOO_MANY = 0,
956 IWL_FA_TOO_FEW = 1,
957 IWL_FA_GOOD_RANGE = 2,
958};
959
bb8c093b 960enum iwl4965_chain_noise_state {
b481de9c
ZY		 961 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
962 IWL_CHAIN_NOISE_ACCUMULATE = 1,
963 IWL_CHAIN_NOISE_CALIBRATED = 2,
964};
965
bb8c093b 966enum iwl4965_sensitivity_state {
b481de9c
ZY		 967 IWL_SENS_CALIB_ALLOWED = 0,
968 IWL_SENS_CALIB_NEED_REINIT = 1,
969};
970
bb8c093b 971enum iwl4965_calib_enabled_state {
b481de9c
ZY		 972 IWL_CALIB_DISABLED = 0, /* must be 0 */
973 IWL_CALIB_ENABLED = 1,
974};
975
976struct statistics_general_data {
977 u32 beacon_silence_rssi_a;
978 u32 beacon_silence_rssi_b;
979 u32 beacon_silence_rssi_c;
980 u32 beacon_energy_a;
981 u32 beacon_energy_b;
982 u32 beacon_energy_c;
983};
984
985/* Sensitivity calib data */
bb8c093b 986struct iwl4965_sensitivity_data {
b481de9c
ZY		 987 u32 auto_corr_ofdm;
988 u32 auto_corr_ofdm_mrc;
989 u32 auto_corr_ofdm_x1;
990 u32 auto_corr_ofdm_mrc_x1;
991 u32 auto_corr_cck;
992 u32 auto_corr_cck_mrc;
993
994 u32 last_bad_plcp_cnt_ofdm;
995 u32 last_fa_cnt_ofdm;
996 u32 last_bad_plcp_cnt_cck;
997 u32 last_fa_cnt_cck;
998
999 u32 nrg_curr_state;
1000 u32 nrg_prev_state;
1001 u32 nrg_value[10];
1002 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
1003 u32 nrg_silence_ref;
1004 u32 nrg_energy_idx;
1005 u32 nrg_silence_idx;
1006 u32 nrg_th_cck;
1007 s32 nrg_auto_corr_silence_diff;
1008 u32 num_in_cck_no_fa;
1009 u32 nrg_th_ofdm;
1010
1011 u8 state;
1012};
1013
1014/* Chain noise (differential Rx gain) calib data */
bb8c093b 1015struct iwl4965_chain_noise_data {
b481de9c
ZY		 1016 u8 state;
1017 u16 beacon_count;
1018 u32 chain_noise_a;
1019 u32 chain_noise_b;
1020 u32 chain_noise_c;
1021 u32 chain_signal_a;
1022 u32 chain_signal_b;
1023 u32 chain_signal_c;
1024 u8 disconn_array[NUM_RX_CHAINS];
1025 u8 delta_gain_code[NUM_RX_CHAINS];
1026 u8 radio_write;
1027};
1028
abceddb4
BC		 1029#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
1030#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
b481de9c 1031
5d08cd1d 1032
c8b0e6e1 1033#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d
CH		 1034
1035enum {
1036 MEASUREMENT_READY = (1 << 0),
1037 MEASUREMENT_ACTIVE = (1 << 1),
1038};
1039
1040#endif
1041
bb8c093b 1042struct iwl4965_priv {
5d08cd1d
CH		 1043
1044 /* ieee device used by generic ieee processing code */
1045 struct ieee80211_hw *hw;
1046 struct ieee80211_channel *ieee_channels;
1047 struct ieee80211_rate *ieee_rates;
76bb77e0 1048 struct ieee80211_conf *cache_conf;
5d08cd1d
CH		 1049
1050 /* temporary frame storage list */
1051 struct list_head free_frames;
1052 int frames_count;
1053
1054 u8 phymode;
1055 int alloc_rxb_skb;
1056
bb8c093b
CH		 1057 void (*rx_handlers[REPLY_MAX])(struct iwl4965_priv *priv,
1058 struct iwl4965_rx_mem_buffer *rxb);
5d08cd1d
CH		 1059
1060 const struct ieee80211_hw_mode *modes;
1061
c8b0e6e1 1062#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d 1063 /* spectrum measurement report caching */
bb8c093b 1064 struct iwl4965_spectrum_notification measure_report;
5d08cd1d
CH		 1065 u8 measurement_status;
1066#endif
1067 /* ucode beacon time */
1068 u32 ucode_beacon_time;
1069
bb8c093b 1070 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
5d08cd1d 1071 * Access via channel # using indirect index array */
bb8c093b 1072 struct iwl4965_channel_info *channel_info; /* channel info array */
5d08cd1d
CH		 1073 u8 channel_count; /* # of channels */
1074
1075 /* each calibration channel group in the EEPROM has a derived
1076 * clip setting for each rate. */
bb8c093b 1077 const struct iwl4965_clip_group clip_groups[5];
5d08cd1d
CH		 1078
1079 /* thermal calibration */
1080 s32 temperature; /* degrees Kelvin */
1081 s32 last_temperature;
1082
1083 /* Scan related variables */
1084 unsigned long last_scan_jiffies;
7878a5a4 1085 unsigned long next_scan_jiffies;
5d08cd1d
CH		 1086 unsigned long scan_start;
1087 unsigned long scan_pass_start;
1088 unsigned long scan_start_tsf;
1089 int scan_bands;
1090 int one_direct_scan;
1091 u8 direct_ssid_len;
1092 u8 direct_ssid[IW_ESSID_MAX_SIZE];
bb8c093b 1093 struct iwl4965_scan_cmd *scan;
5d08cd1d
CH		 1094 u8 only_active_channel;
1095
1096 /* spinlock */
1097 spinlock_t lock; /* protect general shared data */
1098 spinlock_t hcmd_lock; /* protect hcmd */
1099 struct mutex mutex;
1100
1101 /* basic pci-network driver stuff */
1102 struct pci_dev *pci_dev;
1103
1104 /* pci hardware address support */
1105 void __iomem *hw_base;
1106
1107 /* uCode images, save to reload in case of failure */
1108 struct fw_desc ucode_code; /* runtime inst */
1109 struct fw_desc ucode_data; /* runtime data original */
1110 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1111 struct fw_desc ucode_init; /* initialization inst */
1112 struct fw_desc ucode_init_data; /* initialization data */
1113 struct fw_desc ucode_boot; /* bootstrap inst */
1114
1115
bb8c093b 1116 struct iwl4965_rxon_time_cmd rxon_timing;
5d08cd1d
CH		 1117
1118 /* We declare this const so it can only be
1119 * changed via explicit cast within the
1120 * routines that actually update the physical
1121 * hardware */
bb8c093b
CH		 1122 const struct iwl4965_rxon_cmd active_rxon;
1123 struct iwl4965_rxon_cmd staging_rxon;
5d08cd1d
CH		 1124
1125 int error_recovering;
bb8c093b 1126 struct iwl4965_rxon_cmd recovery_rxon;
5d08cd1d
CH		 1127
1128 /* 1st responses from initialize and runtime uCode images.
1129 * 4965's initialize alive response contains some calibration data. */
bb8c093b
CH		 1130 struct iwl4965_init_alive_resp card_alive_init;
1131 struct iwl4965_alive_resp card_alive;
5d08cd1d
CH		 1132
1133#ifdef LED
1134 /* LED related variables */
bb8c093b 1135 struct iwl4965_activity_blink activity;
5d08cd1d
CH		 1136 unsigned long led_packets;
1137 int led_state;
1138#endif
1139
1140 u16 active_rate;
1141 u16 active_rate_basic;
1142
1143 u8 call_post_assoc_from_beacon;
1144 u8 assoc_station_added;
1145 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
5d08cd1d 1146 u8 valid_antenna; /* Bit mask of antennas actually connected */
c8b0e6e1 1147#ifdef CONFIG_IWL4965_SENSITIVITY
bb8c093b
CH		 1148 struct iwl4965_sensitivity_data sensitivity_data;
1149 struct iwl4965_chain_noise_data chain_noise_data;
5d08cd1d
CH		 1150 u8 start_calib;
1151 __le16 sensitivity_tbl[HD_TABLE_SIZE];
c8b0e6e1 1152#endif /*CONFIG_IWL4965_SENSITIVITY*/
5d08cd1d 1153
c8b0e6e1 1154#ifdef CONFIG_IWL4965_HT
9e0cc6de 1155 struct iwl_ht_info current_ht_config;
5d08cd1d 1156#endif
5d08cd1d
CH		 1157 u8 last_phy_res[100];
1158
1159 /* Rate scaling data */
bb8c093b 1160 struct iwl4965_lq_mngr lq_mngr;
5d08cd1d
CH		 1161
1162 /* Rate scaling data */
1163 s8 data_retry_limit;
1164 u8 retry_rate;
1165
1166 wait_queue_head_t wait_command_queue;
1167
1168 int activity_timer_active;
1169
1170 /* Rx and Tx DMA processing queues */
bb8c093b
CH		 1171 struct iwl4965_rx_queue rxq;
1172 struct iwl4965_tx_queue txq[IWL_MAX_NUM_QUEUES];
5d08cd1d 1173 unsigned long txq_ctx_active_msk;
bb8c093b 1174 struct iwl4965_kw kw; /* keep warm address */
5d08cd1d
CH		 1175 u32 scd_base_addr; /* scheduler sram base address */
1176
1177 unsigned long status;
1178 u32 config;
1179
1180 int last_rx_rssi; /* From Rx packet statisitics */
1181 int last_rx_noise; /* From beacon statistics */
1182
bb8c093b 1183 struct iwl4965_power_mgr power_data;
5d08cd1d 1184
bb8c093b 1185 struct iwl4965_notif_statistics statistics;
5d08cd1d
CH		 1186 unsigned long last_statistics_time;
1187
1188 /* context information */
1189 u8 essid[IW_ESSID_MAX_SIZE];
1190 u8 essid_len;
1191 u16 rates_mask;
1192
1193 u32 power_mode;
1194 u32 antenna;
1195 u8 bssid[ETH_ALEN];
1196 u16 rts_threshold;
1197 u8 mac_addr[ETH_ALEN];
1198
1199 /*station table variables */
1200 spinlock_t sta_lock;
1201 int num_stations;
bb8c093b 1202 struct iwl4965_station_entry stations[IWL_STATION_COUNT];
5d08cd1d
CH		 1203
1204 /* Indication if ieee80211_ops->open has been called */
1205 int is_open;
1206
1207 u8 mac80211_registered;
1208 int is_abg;
1209
1210 u32 notif_missed_beacons;
1211
1212 /* Rx'd packet timing information */
1213 u32 last_beacon_time;
1214 u64 last_tsf;
1215
1216 /* Duplicate packet detection */
1217 u16 last_seq_num;
1218 u16 last_frag_num;
1219 unsigned long last_packet_time;
bc47279f
BC		 1220
1221 /* Hash table for finding stations in IBSS network */
5d08cd1d
CH		 1222 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1223
1224 /* eeprom */
bb8c093b 1225 struct iwl4965_eeprom eeprom;
5d08cd1d
CH		 1226
1227 int iw_mode;
1228
1229 struct sk_buff *ibss_beacon;
1230
1231 /* Last Rx'd beacon timestamp */
1232 u32 timestamp0;
1233 u32 timestamp1;
1234 u16 beacon_int;
bb8c093b 1235 struct iwl4965_driver_hw_info hw_setting;
5d08cd1d
CH		 1236 int interface_id;
1237
1238 /* Current association information needed to configure the
1239 * hardware */
1240 u16 assoc_id;
1241 u16 assoc_capability;
1242 u8 ps_mode;
1243
c8b0e6e1 1244#ifdef CONFIG_IWL4965_QOS
bb8c093b 1245 struct iwl4965_qos_info qos_data;
c8b0e6e1 1246#endif /*CONFIG_IWL4965_QOS */
5d08cd1d
CH		 1247
1248 struct workqueue_struct *workqueue;
1249
1250 struct work_struct up;
1251 struct work_struct restart;
1252 struct work_struct calibrated_work;
1253 struct work_struct scan_completed;
1254 struct work_struct rx_replenish;
1255 struct work_struct rf_kill;
1256 struct work_struct abort_scan;
1257 struct work_struct update_link_led;
1258 struct work_struct auth_work;
1259 struct work_struct report_work;
1260 struct work_struct request_scan;
1261 struct work_struct beacon_update;
1262
1263 struct tasklet_struct irq_tasklet;
1264
1265 struct delayed_work init_alive_start;
1266 struct delayed_work alive_start;
1267 struct delayed_work activity_timer;
1268 struct delayed_work thermal_periodic;
1269 struct delayed_work gather_stats;
1270 struct delayed_work scan_check;
1271 struct delayed_work post_associate;
1272
1273#define IWL_DEFAULT_TX_POWER 0x0F
1274 s8 user_txpower_limit;
1275 s8 max_channel_txpower_limit;
1276
1277#ifdef CONFIG_PM
1278 u32 pm_state[16];
1279#endif
1280
c8b0e6e1 1281#ifdef CONFIG_IWL4965_DEBUG
5d08cd1d
CH		 1282 /* debugging info */
1283 u32 framecnt_to_us;
1284 atomic_t restrict_refcnt;
1285#endif
1286
1287 struct work_struct txpower_work;
c8b0e6e1 1288#ifdef CONFIG_IWL4965_SENSITIVITY
5d08cd1d
CH		 1289 struct work_struct sensitivity_work;
1290#endif
1291 struct work_struct statistics_work;
1292 struct timer_list statistics_periodic;
1293
c8b0e6e1 1294#ifdef CONFIG_IWL4965_HT_AGG
5d08cd1d
CH		 1295 struct work_struct agg_work;
1296#endif
bb8c093b 1297}; /*iwl4965_priv */
5d08cd1d 1298
bb8c093b 1299static inline int iwl4965_is_associated(struct iwl4965_priv *priv)
5d08cd1d
CH		 1300{
1301 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1302}
1303
bb8c093b 1304static inline int is_channel_valid(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1305{
1306 if (ch_info == NULL)
1307 return 0;
1308 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1309}
1310
bb8c093b 1311static inline int is_channel_narrow(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1312{
1313 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
1314}
1315
bb8c093b 1316static inline int is_channel_radar(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1317{
1318 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1319}
1320
bb8c093b 1321static inline u8 is_channel_a_band(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1322{
1323 return ch_info->phymode == MODE_IEEE80211A;
1324}
1325
bb8c093b 1326static inline u8 is_channel_bg_band(const struct iwl4965_channel_info *ch_info)
5d08cd1d
CH		 1327{
1328 return ((ch_info->phymode == MODE_IEEE80211B) ||
1329 (ch_info->phymode == MODE_IEEE80211G));
1330}
1331
bb8c093b 1332static inline int is_channel_passive(const struct iwl4965_channel_info *ch)
5d08cd1d
CH		 1333{
1334 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1335}
1336
bb8c093b 1337static inline int is_channel_ibss(const struct iwl4965_channel_info *ch)
5d08cd1d
CH		 1338{
1339 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1340}
1341
bb8c093b
CH		 1342extern const struct iwl4965_channel_info *iwl4965_get_channel_info(
1343 const struct iwl4965_priv *priv, int phymode, u16 channel);
5d08cd1d 1344
bb8c093b 1345/* Requires full declaration of iwl4965_priv before including */
5d08cd1d
CH		 1346#include "iwl-4965-io.h"
1347
bb8c093b 1348#endif /* __iwl4965_4965_h__ */
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