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iwlwifi: rename iwl-4965-commands to iwl-commands.h
[linux-2.6-block.git] / drivers / net / wireless / iwlwifi / iwl-4965.h
CommitLineData
b481de9c
ZY		 1/******************************************************************************
2 *
eb7ae89c 3 * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
b481de9c
ZY		 4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * James P. Ketrenos <ipw2100-admin@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
fcd427bb
BC		 26/*
27 * Please use this file (iwl-4965.h) for driver implementation definitions.
5a36ba0e 28 * Please use iwl-commands.h for uCode API definitions.
fcd427bb
BC		 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#define DRV_NAME "iwl4965"
ad97edd2 40#include "iwl-rfkill.h"
6bc913bd 41#include "iwl-eeprom.h"
5d08cd1d 42#include "iwl-4965-hw.h"
6f83eaa1 43#include "iwl-csr.h"
5d08cd1d 44#include "iwl-prph.h"
0a6857e7 45#include "iwl-debug.h"
ab53d8af 46#include "iwl-led.h"
5da4b55f 47#include "iwl-power.h"
5d08cd1d 48
fed9017e
RR		 49/* configuration for the iwl4965 */
50extern struct iwl_cfg iwl4965_agn_cfg;
5a6a256e
TW		 51extern struct iwl_cfg iwl5300_agn_cfg;
52extern struct iwl_cfg iwl5100_agn_cfg;
53extern struct iwl_cfg iwl5350_agn_cfg;
fed9017e 54
4bf775cd
TW		 55/* Change firmware file name, using "-" and incrementing number,
56 * *only* when uCode interface or architecture changes so that it
57 * is not compatible with earlier drivers.
58 * This number will also appear in << 8 position of 1st dword of uCode file */
59#define IWL4965_UCODE_API "-1"
60
099b40b7
RR		 61/* CT-KILL constants */
62#define CT_KILL_THRESHOLD 110 /* in Celsius */
4bf775cd 63
5d08cd1d
CH		 64/* Default noise level to report when noise measurement is not available.
65 * This may be because we're:
66 * 1) Not associated (4965, no beacon statistics being sent to driver)
67 * 2) Scanning (noise measurement does not apply to associated channel)
68 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
69 * Use default noise value of -127 ... this is below the range of measurable
70 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
71 * Also, -127 works better than 0 when averaging frames with/without
72 * noise info (e.g. averaging might be done in app); measured dBm values are
73 * always negative ... using a negative value as the default keeps all
74 * averages within an s8's (used in some apps) range of negative values. */
75#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
76
5d08cd1d
CH		 77/*
78 * RTS threshold here is total size [2347] minus 4 FCS bytes
79 * Per spec:
80 * a value of 0 means RTS on all data/management packets
81 * a value > max MSDU size means no RTS
82 * else RTS for data/management frames where MPDU is larger
83 * than RTS value.
84 */
85#define DEFAULT_RTS_THRESHOLD 2347U
86#define MIN_RTS_THRESHOLD 0U
87#define MAX_RTS_THRESHOLD 2347U
88#define MAX_MSDU_SIZE 2304U
89#define MAX_MPDU_SIZE 2346U
90#define DEFAULT_BEACON_INTERVAL 100U
91#define DEFAULT_SHORT_RETRY_LIMIT 7U
92#define DEFAULT_LONG_RETRY_LIMIT 4U
93
bb8c093b 94struct iwl4965_rx_mem_buffer {
5d08cd1d
CH		 95 dma_addr_t dma_addr;
96 struct sk_buff *skb;
97 struct list_head list;
98};
99
5d08cd1d
CH		 100/*
101 * Generic queue structure
102 *
103 * Contains common data for Rx and Tx queues
104 */
bb8c093b 105struct iwl4965_queue {
5d08cd1d
CH		 106 int n_bd; /* number of BDs in this queue */
107 int write_ptr; /* 1-st empty entry (index) host_w*/
108 int read_ptr; /* last used entry (index) host_r*/
109 dma_addr_t dma_addr; /* physical addr for BD's */
110 int n_window; /* safe queue window */
111 u32 id;
112 int low_mark; /* low watermark, resume queue if free
113 * space more than this */
114 int high_mark; /* high watermark, stop queue if free
115 * space less than this */
116} __attribute__ ((packed));
117
118#define MAX_NUM_OF_TBS (20)
119
bc47279f 120/* One for each TFD */
bb8c093b 121struct iwl4965_tx_info {
5d08cd1d
CH		 122 struct ieee80211_tx_status status;
123 struct sk_buff *skb[MAX_NUM_OF_TBS];
124};
125
126/**
bb8c093b 127 * struct iwl4965_tx_queue - Tx Queue for DMA
bc47279f
BC		 128 * @q: generic Rx/Tx queue descriptor
129 * @bd: base of circular buffer of TFDs
130 * @cmd: array of command/Tx buffers
131 * @dma_addr_cmd: physical address of cmd/tx buffer array
132 * @txb: array of per-TFD driver data
133 * @need_update: indicates need to update read/write index
134 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
5d08cd1d 135 *
bc47279f
BC		 136 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
137 * descriptors) and required locking structures.
5d08cd1d 138 */
bb8c093b
CH		 139struct iwl4965_tx_queue {
140 struct iwl4965_queue q;
141 struct iwl4965_tfd_frame *bd;
857485c0 142 struct iwl_cmd *cmd;
5d08cd1d 143 dma_addr_t dma_addr_cmd;
bb8c093b 144 struct iwl4965_tx_info *txb;
5d08cd1d
CH		 145 int need_update;
146 int sched_retry;
147 int active;
148};
149
150#define IWL_NUM_SCAN_RATES (2)
151
bb8c093b 152struct iwl4965_channel_tgd_info {
5d08cd1d
CH		 153 u8 type;
154 s8 max_power;
155};
156
bb8c093b 157struct iwl4965_channel_tgh_info {
5d08cd1d
CH		 158 s64 last_radar_time;
159};
160
161/* current Tx power values to use, one for each rate for each channel.
162 * requested power is limited by:
163 * -- regulatory EEPROM limits for this channel
164 * -- hardware capabilities (clip-powers)
165 * -- spectrum management
166 * -- user preference (e.g. iwconfig)
167 * when requested power is set, base power index must also be set. */
bb8c093b
CH		 168struct iwl4965_channel_power_info {
169 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 170 s8 power_table_index; /* actual (compenst'd) index into gain table */
171 s8 base_power_index; /* gain index for power at factory temp. */
172 s8 requested_power; /* power (dBm) requested for this chnl/rate */
173};
174
175/* current scan Tx power values to use, one for each scan rate for each
176 * channel. */
bb8c093b
CH		 177struct iwl4965_scan_power_info {
178 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 179 s8 power_table_index; /* actual (compenst'd) index into gain table */
180 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
181};
182
fcd427bb
BC		 183/* For fat_extension_channel */
184enum {
185 HT_IE_EXT_CHANNEL_NONE = 0,
186 HT_IE_EXT_CHANNEL_ABOVE,
187 HT_IE_EXT_CHANNEL_INVALID,
188 HT_IE_EXT_CHANNEL_BELOW,
189 HT_IE_EXT_CHANNEL_MAX
190};
191
5d08cd1d
CH		 192/*
193 * One for each channel, holds all channel setup data
194 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
195 * with one another!
196 */
197#define IWL4965_MAX_RATE (33)
198
bf85ea4f 199struct iwl_channel_info {
bb8c093b
CH		 200 struct iwl4965_channel_tgd_info tgd;
201 struct iwl4965_channel_tgh_info tgh;
073d3f5f
TW		 202 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
203 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
204 * FAT channel */
5d08cd1d
CH		 205
206 u8 channel; /* channel number */
207 u8 flags; /* flags copied from EEPROM */
208 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
fcd427bb 209 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
5d08cd1d
CH		 210 s8 min_power; /* always 0 */
211 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
212
213 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
214 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
8318d78a 215 enum ieee80211_band band;
5d08cd1d
CH		 216
217 /* Radio/DSP gain settings for each "normal" data Tx rate.
218 * These include, in addition to RF and DSP gain, a few fields for
219 * remembering/modifying gain settings (indexes). */
bb8c093b 220 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
5d08cd1d
CH		 221
222 /* FAT channel info */
223 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
224 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
225 s8 fat_min_power; /* always 0 */
226 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
227 u8 fat_flags; /* flags copied from EEPROM */
fcd427bb 228 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
5d08cd1d
CH		 229
230 /* Radio/DSP gain settings for each scan rate, for directed scans. */
bb8c093b 231 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
5d08cd1d
CH		 232};
233
bb8c093b 234struct iwl4965_clip_group {
5d08cd1d
CH		 235 /* maximum power level to prevent clipping for each rate, derived by
236 * us from this band's saturation power in EEPROM */
237 const s8 clip_powers[IWL_MAX_RATES];
238};
239
240#include "iwl-4965-rs.h"
241
242#define IWL_TX_FIFO_AC0 0
243#define IWL_TX_FIFO_AC1 1
244#define IWL_TX_FIFO_AC2 2
245#define IWL_TX_FIFO_AC3 3
246#define IWL_TX_FIFO_HCCA_1 5
247#define IWL_TX_FIFO_HCCA_2 6
248#define IWL_TX_FIFO_NONE 7
249
250/* Minimum number of queues. MAX_NUM is defined in hw specific files */
251#define IWL_MIN_NUM_QUEUES 4
252
253/* Power management (not Tx power) structures */
254
6f4083aa
TW		 255enum iwl_pwr_src {
256 IWL_PWR_SRC_VMAIN,
257 IWL_PWR_SRC_VAUX,
258};
259
5d08cd1d
CH		 260#define IEEE80211_DATA_LEN 2304
261#define IEEE80211_4ADDR_LEN 30
262#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
263#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
264
bb8c093b 265struct iwl4965_frame {
5d08cd1d
CH		 266 union {
267 struct ieee80211_hdr frame;
bb8c093b 268 struct iwl4965_tx_beacon_cmd beacon;
5d08cd1d
CH		 269 u8 raw[IEEE80211_FRAME_LEN];
270 u8 cmd[360];
271 } u;
272 struct list_head list;
273};
274
275#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
276#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
a0b484fe
JB		 277#define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
278#define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
5d08cd1d
CH		 279#define SEQ_HUGE_FRAME (0x4000)
280#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
281#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
282#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
283#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
284
285enum {
286 /* CMD_SIZE_NORMAL = 0, */
287 CMD_SIZE_HUGE = (1 << 0),
288 /* CMD_SYNC = 0, */
289 CMD_ASYNC = (1 << 1),
290 /* CMD_NO_SKB = 0, */
291 CMD_WANT_SKB = (1 << 2),
292};
293
857485c0 294struct iwl_cmd;
c79dd5b5 295struct iwl_priv;
5d08cd1d 296
857485c0
TW		 297struct iwl_cmd_meta {
298 struct iwl_cmd_meta *source;
5d08cd1d
CH		 299 union {
300 struct sk_buff *skb;
c79dd5b5 301 int (*callback)(struct iwl_priv *priv,
857485c0 302 struct iwl_cmd *cmd, struct sk_buff *skb);
5d08cd1d
CH		 303 } __attribute__ ((packed)) u;
304
305 /* The CMD_SIZE_HUGE flag bit indicates that the command
306 * structure is stored at the end of the shared queue memory. */
307 u32 flags;
308
309} __attribute__ ((packed));
310
bc47279f 311/**
857485c0 312 * struct iwl_cmd
bc47279f
BC		 313 *
314 * For allocation of the command and tx queues, this establishes the overall
315 * size of the largest command we send to uCode, except for a scan command
316 * (which is relatively huge; space is allocated separately).
317 */
857485c0
TW		 318struct iwl_cmd {
319 struct iwl_cmd_meta meta; /* driver data */
320 struct iwl_cmd_header hdr; /* uCode API */
5d08cd1d 321 union {
bb8c093b
CH		 322 struct iwl4965_addsta_cmd addsta;
323 struct iwl4965_led_cmd led;
5d08cd1d
CH		 324 u32 flags;
325 u8 val8;
326 u16 val16;
327 u32 val32;
bb8c093b
CH		 328 struct iwl4965_bt_cmd bt;
329 struct iwl4965_rxon_time_cmd rxon_time;
330 struct iwl4965_powertable_cmd powertable;
331 struct iwl4965_qosparam_cmd qosparam;
332 struct iwl4965_tx_cmd tx;
333 struct iwl4965_tx_beacon_cmd tx_beacon;
334 struct iwl4965_rxon_assoc_cmd rxon_assoc;
5d08cd1d
CH		 335 u8 *indirect;
336 u8 payload[360];
337 } __attribute__ ((packed)) cmd;
338} __attribute__ ((packed));
339
857485c0 340struct iwl_host_cmd {
5d08cd1d
CH		 341 u8 id;
342 u16 len;
857485c0 343 struct iwl_cmd_meta meta;
5d08cd1d
CH		 344 const void *data;
345};
346
857485c0
TW		 347#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
348 sizeof(struct iwl_cmd_meta))
5d08cd1d
CH		 349
350/*
351 * RX related structures and functions
352 */
353#define RX_FREE_BUFFERS 64
354#define RX_LOW_WATERMARK 8
355
356#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
357#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
358#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
359
360/**
bb8c093b 361 * struct iwl4965_rx_queue - Rx queue
5d08cd1d
CH		 362 * @processed: Internal index to last handled Rx packet
363 * @read: Shared index to newest available Rx buffer
364 * @write: Shared index to oldest written Rx packet
365 * @free_count: Number of pre-allocated buffers in rx_free
366 * @rx_free: list of free SKBs for use
367 * @rx_used: List of Rx buffers with no SKB
368 * @need_update: flag to indicate we need to update read/write index
369 *
bb8c093b 370 * NOTE: rx_free and rx_used are used as a FIFO for iwl4965_rx_mem_buffers
5d08cd1d 371 */
bb8c093b 372struct iwl4965_rx_queue {
5d08cd1d
CH		 373 __le32 *bd;
374 dma_addr_t dma_addr;
bb8c093b
CH		 375 struct iwl4965_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
376 struct iwl4965_rx_mem_buffer *queue[RX_QUEUE_SIZE];
5d08cd1d
CH		 377 u32 processed;
378 u32 read;
379 u32 write;
380 u32 free_count;
381 struct list_head rx_free;
382 struct list_head rx_used;
383 int need_update;
384 spinlock_t lock;
385};
386
387#define IWL_SUPPORTED_RATES_IE_LEN 8
388
389#define SCAN_INTERVAL 100
390
391#define MAX_A_CHANNELS 252
392#define MIN_A_CHANNELS 7
393
394#define MAX_B_CHANNELS 14
395#define MIN_B_CHANNELS 1
396
5d08cd1d
CH		 397#define MAX_TID_COUNT 9
398
399#define IWL_INVALID_RATE 0xFF
400#define IWL_INVALID_VALUE -1
401
c8b0e6e1 402#ifdef CONFIG_IWL4965_HT
bc47279f
BC		 403/**
404 * struct iwl4965_ht_agg -- aggregation status while waiting for block-ack
405 * @txq_id: Tx queue used for Tx attempt
406 * @frame_count: # frames attempted by Tx command
407 * @wait_for_ba: Expect block-ack before next Tx reply
408 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
409 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
410 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
411 * @rate_n_flags: Rate at which Tx was attempted
412 *
413 * If REPLY_TX indicates that aggregation was attempted, driver must wait
414 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
415 * until block ack arrives.
416 */
bb8c093b 417struct iwl4965_ht_agg {
5d08cd1d
CH		 418 u16 txq_id;
419 u16 frame_count;
420 u16 wait_for_ba;
421 u16 start_idx;
fe01b477 422 u64 bitmap;
5d08cd1d 423 u32 rate_n_flags;
fe01b477
RR		 424#define IWL_AGG_OFF 0
425#define IWL_AGG_ON 1
426#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
427#define IWL_EMPTYING_HW_QUEUE_DELBA 3
428 u8 state;
5d08cd1d 429};
fe01b477 430
c8b0e6e1 431#endif /* CONFIG_IWL4965_HT */
5d08cd1d 432
bb8c093b 433struct iwl4965_tid_data {
5d08cd1d 434 u16 seq_number;
fe01b477 435 u16 tfds_in_queue;
c8b0e6e1 436#ifdef CONFIG_IWL4965_HT
bb8c093b 437 struct iwl4965_ht_agg agg;
c8b0e6e1 438#endif /* CONFIG_IWL4965_HT */
5d08cd1d
CH		 439};
440
bb8c093b 441struct iwl4965_hw_key {
5d08cd1d
CH		 442 enum ieee80211_key_alg alg;
443 int keylen;
0211ddda 444 u8 keyidx;
2bc75089 445 struct ieee80211_key_conf *conf;
5d08cd1d
CH		 446 u8 key[32];
447};
448
bb8c093b 449union iwl4965_ht_rate_supp {
5d08cd1d
CH		 450 u16 rates;
451 struct {
452 u8 siso_rate;
453 u8 mimo_rate;
454 };
455};
456
c8b0e6e1 457#ifdef CONFIG_IWL4965_HT
5d08cd1d 458#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
5d08cd1d
CH		 459#define CFG_HT_MPDU_DENSITY_2USEC (0x5)
460#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
461
9e0cc6de
RR		 462struct iwl_ht_info {
463 /* self configuration data */
5d08cd1d 464 u8 is_ht;
9e0cc6de 465 u8 supported_chan_width;
5d08cd1d 466 u16 tx_mimo_ps_mode;
9e0cc6de 467 u8 is_green_field;
bb54244b 468 u8 sgf; /* HT_SHORT_GI_* short guard interval */
5d08cd1d
CH		 469 u8 max_amsdu_size;
470 u8 ampdu_factor;
471 u8 mpdu_density;
9e0cc6de
RR		 472 u8 supp_mcs_set[16];
473 /* BSS related data */
474 u8 control_channel;
5d08cd1d 475 u8 extension_chan_offset;
5d08cd1d 476 u8 tx_chan_width;
9e0cc6de
RR		 477 u8 ht_protection;
478 u8 non_GF_STA_present;
5d08cd1d 479};
c8b0e6e1 480#endif /*CONFIG_IWL4965_HT */
5d08cd1d 481
bb8c093b 482union iwl4965_qos_capabity {
5d08cd1d
CH		 483 struct {
484 u8 edca_count:4; /* bit 0-3 */
485 u8 q_ack:1; /* bit 4 */
486 u8 queue_request:1; /* bit 5 */
487 u8 txop_request:1; /* bit 6 */
488 u8 reserved:1; /* bit 7 */
489 } q_AP;
490 struct {
491 u8 acvo_APSD:1; /* bit 0 */
492 u8 acvi_APSD:1; /* bit 1 */
493 u8 ac_bk_APSD:1; /* bit 2 */
494 u8 ac_be_APSD:1; /* bit 3 */
495 u8 q_ack:1; /* bit 4 */
496 u8 max_len:2; /* bit 5-6 */
497 u8 more_data_ack:1; /* bit 7 */
498 } q_STA;
499 u8 val;
500};
501
502/* QoS structures */
bb8c093b 503struct iwl4965_qos_info {
5d08cd1d
CH		 504 int qos_enable;
505 int qos_active;
bb8c093b
CH		 506 union iwl4965_qos_capabity qos_cap;
507 struct iwl4965_qosparam_cmd def_qos_parm;
5d08cd1d 508};
5d08cd1d
CH		 509
510#define STA_PS_STATUS_WAKE 0
511#define STA_PS_STATUS_SLEEP 1
512
bb8c093b
CH		 513struct iwl4965_station_entry {
514 struct iwl4965_addsta_cmd sta;
515 struct iwl4965_tid_data tid[MAX_TID_COUNT];
5d08cd1d
CH		 516 u8 used;
517 u8 ps_status;
bb8c093b 518 struct iwl4965_hw_key keyinfo;
5d08cd1d
CH		 519};
520
521/* one for each uCode image (inst/data, boot/init/runtime) */
522struct fw_desc {
523 void *v_addr; /* access by driver */
524 dma_addr_t p_addr; /* access by card's busmaster DMA */
525 u32 len; /* bytes */
526};
527
528/* uCode file layout */
bb8c093b 529struct iwl4965_ucode {
5d08cd1d
CH		 530 __le32 ver; /* major/minor/subminor */
531 __le32 inst_size; /* bytes of runtime instructions */
532 __le32 data_size; /* bytes of runtime data */
533 __le32 init_size; /* bytes of initialization instructions */
534 __le32 init_data_size; /* bytes of initialization data */
535 __le32 boot_size; /* bytes of bootstrap instructions */
536 u8 data[0]; /* data in same order as "size" elements */
537};
538
539#define IWL_IBSS_MAC_HASH_SIZE 32
540
bb8c093b 541struct iwl4965_ibss_seq {
5d08cd1d
CH		 542 u8 mac[ETH_ALEN];
543 u16 seq_num;
544 u16 frag_num;
545 unsigned long packet_time;
546 struct list_head list;
547};
548
f0832f13
EG		 549struct iwl_sensitivity_ranges {
550 u16 min_nrg_cck;
551 u16 max_nrg_cck;
552
553 u16 nrg_th_cck;
554 u16 nrg_th_ofdm;
555
556 u16 auto_corr_min_ofdm;
557 u16 auto_corr_min_ofdm_mrc;
558 u16 auto_corr_min_ofdm_x1;
559 u16 auto_corr_min_ofdm_mrc_x1;
560
561 u16 auto_corr_max_ofdm;
562 u16 auto_corr_max_ofdm_mrc;
563 u16 auto_corr_max_ofdm_x1;
564 u16 auto_corr_max_ofdm_mrc_x1;
565
566 u16 auto_corr_max_cck;
567 u16 auto_corr_max_cck_mrc;
568 u16 auto_corr_min_cck;
569 u16 auto_corr_min_cck_mrc;
570};
571
099b40b7
RR		 572
573#define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
574
bc47279f 575/**
5425e490 576 * struct iwl_hw_params
bc47279f 577 * @max_txq_num: Max # Tx queues supported
bc47279f 578 * @tx_cmd_len: Size of Tx command (but not including frame itself)
099b40b7
RR		 579 * @tx/rx_chains_num: Number of TX/RX chains
580 * @valid_tx/rx_ant: usable antennas
bc47279f 581 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
bc47279f 582 * @max_rxq_log: Log-base-2 of max_rxq_size
099b40b7 583 * @rx_buf_size: Rx buffer size
bc47279f
BC		 584 * @max_stations:
585 * @bcast_sta_id:
099b40b7
RR		 586 * @fat_channel: is 40MHz width possible in band 2.4
587 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
588 * @sw_crypto: 0 for hw, 1 for sw
589 * @max_xxx_size: for ucode uses
590 * @ct_kill_threshold: temperature threshold
f0832f13 591 * @struct iwl_sensitivity_ranges: range of sensitivity values
bc47279f 592 */
5425e490 593struct iwl_hw_params {
5d08cd1d 594 u16 max_txq_num;
5d08cd1d 595 u16 tx_cmd_len;
ec35cf2a
TW		 596 u8 tx_chains_num;
597 u8 rx_chains_num;
598 u8 valid_tx_ant;
599 u8 valid_rx_ant;
5d08cd1d 600 u16 max_rxq_size;
ec35cf2a 601 u16 max_rxq_log;
9ee1ba47
RR		 602 u32 rx_buf_size;
603 u32 max_pkt_size;
5d08cd1d
CH		 604 u8 max_stations;
605 u8 bcast_sta_id;
099b40b7
RR		 606 u8 fat_channel;
607 u8 sw_crypto;
608 u32 max_inst_size;
609 u32 max_data_size;
610 u32 max_bsm_size;
611 u32 ct_kill_threshold; /* value in hw-dependent units */
f0832f13
EG		 612#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
613 const struct iwl_sensitivity_ranges *sens;
614#endif
5d08cd1d
CH		 615};
616
099b40b7
RR		 617#define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
618#define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
5d08cd1d
CH		 619
620
bb8c093b 621#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
5d08cd1d
CH		 622 x->u.rx_frame.stats.payload + \
623 x->u.rx_frame.stats.phy_count))
bb8c093b 624#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
5d08cd1d
CH		 625 IWL_RX_HDR(x)->payload + \
626 le16_to_cpu(IWL_RX_HDR(x)->len)))
627#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
628#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
629
630
631/******************************************************************************
632 *
633 * Functions implemented in iwl-base.c which are forward declared here
634 * for use by iwl-*.c
635 *
636 *****************************************************************************/
bb8c093b 637struct iwl4965_addsta_cmd;
c79dd5b5 638extern int iwl4965_send_add_station(struct iwl_priv *priv,
bb8c093b 639 struct iwl4965_addsta_cmd *sta, u8 flags);
c79dd5b5 640extern u8 iwl4965_add_station_flags(struct iwl_priv *priv, const u8 *addr,
67d62035 641 int is_ap, u8 flags, void *ht_data);
c79dd5b5 642extern int iwl4965_is_network_packet(struct iwl_priv *priv,
5d08cd1d 643 struct ieee80211_hdr *header);
c79dd5b5
TW		 644extern int iwl4965_power_init_handle(struct iwl_priv *priv);
645extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv,
bb8c093b 646 struct iwl4965_rx_mem_buffer *rxb,
5d08cd1d
CH		 647 void *data, short len,
648 struct ieee80211_rx_status *stats,
649 u16 phy_flags);
c79dd5b5 650extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv,
bb8c093b 651 struct ieee80211_hdr *header);
c79dd5b5
TW		 652extern int iwl4965_rx_queue_alloc(struct iwl_priv *priv);
653extern void iwl4965_rx_queue_reset(struct iwl_priv *priv,
bb8c093b
CH		 654 struct iwl4965_rx_queue *rxq);
655extern int iwl4965_calc_db_from_ratio(int sig_ratio);
656extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
c79dd5b5 657extern int iwl4965_tx_queue_init(struct iwl_priv *priv,
bb8c093b
CH		 658 struct iwl4965_tx_queue *txq, int count, u32 id);
659extern void iwl4965_rx_replenish(void *data);
c79dd5b5 660extern void iwl4965_tx_queue_free(struct iwl_priv *priv, struct iwl4965_tx_queue *txq);
c79dd5b5 661extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
5d08cd1d
CH		 662 struct ieee80211_hdr *hdr,
663 const u8 *dest, int left);
c79dd5b5 664extern int iwl4965_rx_queue_update_write_ptr(struct iwl_priv *priv,
bb8c093b 665 struct iwl4965_rx_queue *q);
5d08cd1d 666extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
5da4b55f 667extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
079a2533
TW		 668int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
669
bf85ea4f
AK		 670int iwl4965_init_geos(struct iwl_priv *priv);
671void iwl4965_free_geos(struct iwl_priv *priv);
5d08cd1d 672
bb8c093b 673extern const u8 iwl4965_broadcast_addr[ETH_ALEN];
857485c0 674int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
5d08cd1d
CH		 675
676/*
677 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
678 * call this... todo... fix that.
679*/
c79dd5b5 680extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id,
5d08cd1d
CH		 681 u16 tx_rate, u8 flags);
682
683/******************************************************************************
684 *
685 * Functions implemented in iwl-[34]*.c which are forward declared here
686 * for use by iwl-base.c
687 *
688 * NOTE: The implementation of these functions are hardware specific
689 * which is why they are in the hardware specific files (vs. iwl-base.c)
690 *
691 * Naming convention --
bb8c093b
CH		 692 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
693 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
5d08cd1d 694 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
bb8c093b
CH		 695 * iwl4965_bg_ <-- Called from work queue context
696 * iwl4965_mac_ <-- mac80211 callback
5d08cd1d
CH		 697 *
698 ****************************************************************************/
c79dd5b5
TW		 699extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
700extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
701extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv);
5425e490 702extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv);
c79dd5b5
TW		 703extern int iwl4965_hw_nic_init(struct iwl_priv *priv);
704extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv);
705extern void iwl4965_hw_txq_ctx_free(struct iwl_priv *priv);
706extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv);
707extern int iwl4965_hw_nic_reset(struct iwl_priv *priv);
708extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
5d08cd1d 709 dma_addr_t addr, u16 len);
c79dd5b5
TW		 710extern int iwl4965_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl4965_tx_queue *txq);
711extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
712extern int iwl4965_hw_tx_queue_init(struct iwl_priv *priv,
bb8c093b 713 struct iwl4965_tx_queue *txq);
c79dd5b5 714extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
bb8c093b 715 struct iwl4965_frame *frame, u8 rate);
c79dd5b5
TW		 716extern int iwl4965_hw_get_rx_read(struct iwl_priv *priv);
717extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
857485c0 718 struct iwl_cmd *cmd,
5d08cd1d
CH		 719 struct ieee80211_tx_control *ctrl,
720 struct ieee80211_hdr *hdr,
721 int sta_id, int tx_id);
c79dd5b5
TW		 722extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
723extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
724extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
bb8c093b 725 struct iwl4965_rx_mem_buffer *rxb);
c79dd5b5
TW		 726extern void iwl4965_disable_events(struct iwl_priv *priv);
727extern int iwl4965_get_temperature(const struct iwl_priv *priv);
5d08cd1d
CH		 728
729/**
947b13a7 730 * iwl_find_station - Find station id for a given BSSID
5d08cd1d
CH		 731 * @bssid: MAC address of station ID to find
732 *
733 * NOTE: This should not be hardware specific but the code has
734 * not yet been merged into a single common layer for managing the
735 * station tables.
736 */
947b13a7 737extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid);
5d08cd1d 738
c79dd5b5
TW		 739extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
740extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
fe01b477 741extern int iwl4965_queue_space(const struct iwl4965_queue *q);
c79dd5b5 742struct iwl_priv;
b481de9c 743
ad97edd2 744extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio);
b481de9c
ZY		 745/*
746 * Forward declare iwl-4965.c functions for iwl-base.c
747 */
c79dd5b5 748extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
bb8c093b 749 struct iwl4965_tx_queue *txq,
b481de9c 750 u16 byte_cnt);
c79dd5b5 751extern void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr,
b481de9c 752 int is_ap);
c79dd5b5
TW		 753extern int iwl4965_alive_notify(struct iwl_priv *priv);
754extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
c79dd5b5
TW		 755extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
756extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
4c424e4c
RR		 757 u32 rate_n_flags,
758 struct ieee80211_tx_control *control);
b481de9c 759
c8b0e6e1 760#ifdef CONFIG_IWL4965_HT
fde0db31
GC		 761extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
762 struct ieee80211_ht_info *ht_info,
763 enum ieee80211_band band);
c79dd5b5 764void iwl4965_set_rxon_ht(struct iwl_priv *priv,
78330fdd 765 struct iwl_ht_info *ht_info);
c79dd5b5 766void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index,
67d62035 767 struct ieee80211_ht_info *sta_ht_inf);
78330fdd 768int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
9ab46173 769 enum ieee80211_ampdu_mlme_action action,
0df3ef45 770 const u8 *addr, u16 tid, u16 *ssn);
c79dd5b5 771int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
fe01b477 772 u8 tid, int txq_id);
78330fdd 773#else
fde0db31 774static inline void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
1ea87396 775 struct ieee80211_ht_info *ht_info,
78330fdd
TW		 776 enum ieee80211_band band) {}
777
c8b0e6e1 778#endif /*CONFIG_IWL4965_HT */
b481de9c
ZY		 779/* Structures, enum, and defines specific to the 4965 */
780
781#define IWL4965_KW_SIZE 0x1000 /*4k */
782
bb8c093b 783struct iwl4965_kw {
b481de9c
ZY		 784 dma_addr_t dma_addr;
785 void *v_addr;
786 size_t size;
787};
788
b481de9c
ZY		 789#define IWL_CHANNEL_WIDTH_20MHZ 0
790#define IWL_CHANNEL_WIDTH_40MHZ 1
791
792#define IWL_MIMO_PS_STATIC 0
793#define IWL_MIMO_PS_NONE 3
794#define IWL_MIMO_PS_DYNAMIC 1
795#define IWL_MIMO_PS_INVALID 2
796
797#define IWL_OPERATION_MODE_AUTO 0
798#define IWL_OPERATION_MODE_HT_ONLY 1
799#define IWL_OPERATION_MODE_MIXED 2
800#define IWL_OPERATION_MODE_20MHZ 3
801
134eb5d3
GC		 802#define IWL_EXT_CHANNEL_OFFSET_NONE 0
803#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
804#define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2
805#define IWL_EXT_CHANNEL_OFFSET_BELOW 3
b481de9c 806
3195cdb7
TW		 807#define IWL_TX_CRC_SIZE 4
808#define IWL_TX_DELIMITER_SIZE 4
b481de9c 809
b481de9c 810#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
b481de9c 811
bb8c093b 812struct iwl4965_lq_mngr {
b481de9c
ZY		 813 spinlock_t lock;
814 s32 max_window_size;
815 s32 *expected_tpt;
816 u8 *next_higher_rate;
817 u8 *next_lower_rate;
818 unsigned long stamp;
819 unsigned long stamp_last;
820 u32 flush_time;
821 u32 tx_packets;
822 u8 lq_ready;
823};
824
b481de9c
ZY		 825/* Sensitivity and chain noise calibration */
826#define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
827#define INITIALIZATION_VALUE 0xFFFF
828#define CAL_NUM_OF_BEACONS 20
829#define MAXIMUM_ALLOWED_PATHLOSS 15
830
b481de9c
ZY		 831#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
832
833#define MAX_FA_OFDM 50
834#define MIN_FA_OFDM 5
835#define MAX_FA_CCK 50
836#define MIN_FA_CCK 5
837
b481de9c
ZY		 838#define AUTO_CORR_STEP_OFDM 1
839
b481de9c
ZY		 840#define AUTO_CORR_STEP_CCK 3
841#define AUTO_CORR_MAX_TH_CCK 160
842
b481de9c
ZY		 843#define NRG_DIFF 2
844#define NRG_STEP_CCK 2
845#define NRG_MARGIN 8
846#define MAX_NUMBER_CCK_NO_FA 100
847
848#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
849
850#define CHAIN_A 0
851#define CHAIN_B 1
852#define CHAIN_C 2
853#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
854#define ALL_BAND_FILTER 0xFF00
855#define IN_BAND_FILTER 0xFF
856#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
857
3195cdb7
TW		 858#define NRG_NUM_PREV_STAT_L 20
859#define NUM_RX_CHAINS 3
860
bb8c093b 861enum iwl4965_false_alarm_state {
b481de9c
ZY		 862 IWL_FA_TOO_MANY = 0,
863 IWL_FA_TOO_FEW = 1,
864 IWL_FA_GOOD_RANGE = 2,
865};
866
bb8c093b 867enum iwl4965_chain_noise_state {
b481de9c
ZY		 868 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
869 IWL_CHAIN_NOISE_ACCUMULATE = 1,
870 IWL_CHAIN_NOISE_CALIBRATED = 2,
871};
872
bb8c093b 873enum iwl4965_calib_enabled_state {
b481de9c
ZY		 874 IWL_CALIB_DISABLED = 0, /* must be 0 */
875 IWL_CALIB_ENABLED = 1,
876};
877
878struct statistics_general_data {
879 u32 beacon_silence_rssi_a;
880 u32 beacon_silence_rssi_b;
881 u32 beacon_silence_rssi_c;
882 u32 beacon_energy_a;
883 u32 beacon_energy_b;
884 u32 beacon_energy_c;
885};
886
f0832f13 887#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
b481de9c 888/* Sensitivity calib data */
f0832f13 889struct iwl_sensitivity_data {
b481de9c
ZY		 890 u32 auto_corr_ofdm;
891 u32 auto_corr_ofdm_mrc;
892 u32 auto_corr_ofdm_x1;
893 u32 auto_corr_ofdm_mrc_x1;
894 u32 auto_corr_cck;
895 u32 auto_corr_cck_mrc;
896
897 u32 last_bad_plcp_cnt_ofdm;
898 u32 last_fa_cnt_ofdm;
899 u32 last_bad_plcp_cnt_cck;
900 u32 last_fa_cnt_cck;
901
902 u32 nrg_curr_state;
903 u32 nrg_prev_state;
904 u32 nrg_value[10];
905 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
906 u32 nrg_silence_ref;
907 u32 nrg_energy_idx;
908 u32 nrg_silence_idx;
909 u32 nrg_th_cck;
910 s32 nrg_auto_corr_silence_diff;
911 u32 num_in_cck_no_fa;
912 u32 nrg_th_ofdm;
b481de9c
ZY		 913};
914
915/* Chain noise (differential Rx gain) calib data */
f0832f13 916struct iwl_chain_noise_data {
b481de9c
ZY		 917 u8 state;
918 u16 beacon_count;
919 u32 chain_noise_a;
920 u32 chain_noise_b;
921 u32 chain_noise_c;
922 u32 chain_signal_a;
923 u32 chain_signal_b;
924 u32 chain_signal_c;
925 u8 disconn_array[NUM_RX_CHAINS];
926 u8 delta_gain_code[NUM_RX_CHAINS];
927 u8 radio_write;
928};
f0832f13 929#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
b481de9c 930
abceddb4
BC		 931#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
932#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
b481de9c 933
5d08cd1d 934
c8b0e6e1 935#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d
CH		 936
937enum {
938 MEASUREMENT_READY = (1 << 0),
939 MEASUREMENT_ACTIVE = (1 << 1),
940};
941
942#endif
943
dfe7d458
RR		 944#define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
945
c79dd5b5 946struct iwl_priv {
5d08cd1d
CH		 947
948 /* ieee device used by generic ieee processing code */
949 struct ieee80211_hw *hw;
950 struct ieee80211_channel *ieee_channels;
951 struct ieee80211_rate *ieee_rates;
82b9a121 952 struct iwl_cfg *cfg;
5d08cd1d
CH		 953
954 /* temporary frame storage list */
955 struct list_head free_frames;
956 int frames_count;
957
8318d78a 958 enum ieee80211_band band;
5d08cd1d 959 int alloc_rxb_skb;
12342c47 960 bool add_radiotap;
5d08cd1d 961
c79dd5b5 962 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
bb8c093b 963 struct iwl4965_rx_mem_buffer *rxb);
5d08cd1d 964
8318d78a 965 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
5d08cd1d 966
c8b0e6e1 967#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d 968 /* spectrum measurement report caching */
bb8c093b 969 struct iwl4965_spectrum_notification measure_report;
5d08cd1d
CH		 970 u8 measurement_status;
971#endif
972 /* ucode beacon time */
973 u32 ucode_beacon_time;
974
bb8c093b 975 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
5d08cd1d 976 * Access via channel # using indirect index array */
bf85ea4f 977 struct iwl_channel_info *channel_info; /* channel info array */
5d08cd1d
CH		 978 u8 channel_count; /* # of channels */
979
980 /* each calibration channel group in the EEPROM has a derived
981 * clip setting for each rate. */
bb8c093b 982 const struct iwl4965_clip_group clip_groups[5];
5d08cd1d
CH		 983
984 /* thermal calibration */
985 s32 temperature; /* degrees Kelvin */
986 s32 last_temperature;
987
988 /* Scan related variables */
989 unsigned long last_scan_jiffies;
7878a5a4 990 unsigned long next_scan_jiffies;
5d08cd1d
CH		 991 unsigned long scan_start;
992 unsigned long scan_pass_start;
993 unsigned long scan_start_tsf;
994 int scan_bands;
995 int one_direct_scan;
996 u8 direct_ssid_len;
997 u8 direct_ssid[IW_ESSID_MAX_SIZE];
bb8c093b 998 struct iwl4965_scan_cmd *scan;
5d08cd1d
CH		 999
1000 /* spinlock */
1001 spinlock_t lock; /* protect general shared data */
1002 spinlock_t hcmd_lock; /* protect hcmd */
1003 struct mutex mutex;
1004
1005 /* basic pci-network driver stuff */
1006 struct pci_dev *pci_dev;
1007
1008 /* pci hardware address support */
1009 void __iomem *hw_base;
b661c819
TW		 1010 u32 hw_rev;
1011 u32 hw_wa_rev;
1012 u8 rev_id;
5d08cd1d
CH		 1013
1014 /* uCode images, save to reload in case of failure */
1015 struct fw_desc ucode_code; /* runtime inst */
1016 struct fw_desc ucode_data; /* runtime data original */
1017 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1018 struct fw_desc ucode_init; /* initialization inst */
1019 struct fw_desc ucode_init_data; /* initialization data */
1020 struct fw_desc ucode_boot; /* bootstrap inst */
1021
1022
bb8c093b 1023 struct iwl4965_rxon_time_cmd rxon_timing;
5d08cd1d
CH		 1024
1025 /* We declare this const so it can only be
1026 * changed via explicit cast within the
1027 * routines that actually update the physical
1028 * hardware */
bb8c093b
CH		 1029 const struct iwl4965_rxon_cmd active_rxon;
1030 struct iwl4965_rxon_cmd staging_rxon;
5d08cd1d
CH		 1031
1032 int error_recovering;
bb8c093b 1033 struct iwl4965_rxon_cmd recovery_rxon;
5d08cd1d
CH		 1034
1035 /* 1st responses from initialize and runtime uCode images.
1036 * 4965's initialize alive response contains some calibration data. */
bb8c093b
CH		 1037 struct iwl4965_init_alive_resp card_alive_init;
1038 struct iwl4965_alive_resp card_alive;
eadd3c4b 1039#ifdef CONFIG_IWLWIFI_RFKILL
ad97edd2
MA		 1040 struct iwl_rfkill_mngr rfkill_mngr;
1041#endif
5d08cd1d 1042
36316126 1043#ifdef CONFIG_IWLWIFI_LEDS
ab53d8af
MA		 1044 struct iwl4965_led led[IWL_LED_TRG_MAX];
1045 unsigned long last_blink_time;
1046 u8 last_blink_rate;
1047 u8 allow_blinking;
1048 u64 led_tpt;
5d08cd1d
CH		 1049#endif
1050
1051 u16 active_rate;
1052 u16 active_rate_basic;
1053
5d08cd1d
CH		 1054 u8 assoc_station_added;
1055 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
5d08cd1d 1056 u8 start_calib;
f0832f13
EG		 1057#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1058 struct iwl_sensitivity_data sensitivity_data;
1059 struct iwl_chain_noise_data chain_noise_data;
5d08cd1d 1060 __le16 sensitivity_tbl[HD_TABLE_SIZE];
f0832f13 1061#endif /*CONFIG_IWLWIFI_RUN_TIME_CALIB*/
5d08cd1d 1062
c8b0e6e1 1063#ifdef CONFIG_IWL4965_HT
9e0cc6de 1064 struct iwl_ht_info current_ht_config;
5d08cd1d 1065#endif
5d08cd1d
CH		 1066 u8 last_phy_res[100];
1067
1068 /* Rate scaling data */
bb8c093b 1069 struct iwl4965_lq_mngr lq_mngr;
5d08cd1d
CH		 1070
1071 /* Rate scaling data */
1072 s8 data_retry_limit;
1073 u8 retry_rate;
1074
1075 wait_queue_head_t wait_command_queue;
1076
1077 int activity_timer_active;
1078
1079 /* Rx and Tx DMA processing queues */
bb8c093b
CH		 1080 struct iwl4965_rx_queue rxq;
1081 struct iwl4965_tx_queue txq[IWL_MAX_NUM_QUEUES];
5d08cd1d 1082 unsigned long txq_ctx_active_msk;
bb8c093b 1083 struct iwl4965_kw kw; /* keep warm address */
5d08cd1d
CH		 1084 u32 scd_base_addr; /* scheduler sram base address */
1085
1086 unsigned long status;
5d08cd1d
CH		 1087
1088 int last_rx_rssi; /* From Rx packet statisitics */
1089 int last_rx_noise; /* From beacon statistics */
1090
19758bef
TW		 1091 /* counts mgmt, ctl, and data packets */
1092 struct traffic_stats {
1093 u32 cnt;
1094 u64 bytes;
1095 } tx_stats[3], rx_stats[3];
1096
5da4b55f 1097 struct iwl_power_mgr power_data;
5d08cd1d 1098
bb8c093b 1099 struct iwl4965_notif_statistics statistics;
5d08cd1d
CH		 1100 unsigned long last_statistics_time;
1101
1102 /* context information */
1103 u8 essid[IW_ESSID_MAX_SIZE];
1104 u8 essid_len;
1105 u16 rates_mask;
1106
1107 u32 power_mode;
1108 u32 antenna;
1109 u8 bssid[ETH_ALEN];
1110 u16 rts_threshold;
1111 u8 mac_addr[ETH_ALEN];
1112
1113 /*station table variables */
1114 spinlock_t sta_lock;
1115 int num_stations;
bb8c093b 1116 struct iwl4965_station_entry stations[IWL_STATION_COUNT];
6974e363
EG		 1117 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1118 u8 default_wep_key;
1119 u8 key_mapping_key;
80fb47a1 1120 unsigned long ucode_key_table;
5d08cd1d
CH		 1121
1122 /* Indication if ieee80211_ops->open has been called */
69dc5d9d 1123 u8 is_open;
5d08cd1d
CH		 1124
1125 u8 mac80211_registered;
5d08cd1d
CH		 1126
1127 u32 notif_missed_beacons;
1128
1129 /* Rx'd packet timing information */
1130 u32 last_beacon_time;
1131 u64 last_tsf;
1132
1133 /* Duplicate packet detection */
1134 u16 last_seq_num;
1135 u16 last_frag_num;
1136 unsigned long last_packet_time;
bc47279f
BC		 1137
1138 /* Hash table for finding stations in IBSS network */
5d08cd1d
CH		 1139 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1140
1141 /* eeprom */
073d3f5f
TW		 1142 u8 *eeprom;
1143 struct iwl_eeprom_calib_info *calib_info;
5d08cd1d 1144
69dc5d9d 1145 enum ieee80211_if_types iw_mode;
5d08cd1d
CH		 1146
1147 struct sk_buff *ibss_beacon;
1148
1149 /* Last Rx'd beacon timestamp */
3109ece1 1150 u64 timestamp;
5d08cd1d 1151 u16 beacon_int;
32bfd35d 1152 struct ieee80211_vif *vif;
5d08cd1d 1153
5425e490 1154 struct iwl_hw_params hw_params;
059ff826
TW		 1155 /* driver/uCode shared Tx Byte Counts and Rx status */
1156 void *shared_virt;
1157 /* Physical Pointer to Tx Byte Counts and Rx status */
1158 dma_addr_t shared_phys;
1159
5d08cd1d
CH		 1160 /* Current association information needed to configure the
1161 * hardware */
1162 u16 assoc_id;
1163 u16 assoc_capability;
1164 u8 ps_mode;
1165
bb8c093b 1166 struct iwl4965_qos_info qos_data;
5d08cd1d
CH		 1167
1168 struct workqueue_struct *workqueue;
1169
1170 struct work_struct up;
1171 struct work_struct restart;
1172 struct work_struct calibrated_work;
1173 struct work_struct scan_completed;
1174 struct work_struct rx_replenish;
1175 struct work_struct rf_kill;
1176 struct work_struct abort_scan;
1177 struct work_struct update_link_led;
1178 struct work_struct auth_work;
1179 struct work_struct report_work;
1180 struct work_struct request_scan;
1181 struct work_struct beacon_update;
1182
1183 struct tasklet_struct irq_tasklet;
1184
1185 struct delayed_work init_alive_start;
1186 struct delayed_work alive_start;
1187 struct delayed_work activity_timer;
1188 struct delayed_work thermal_periodic;
1189 struct delayed_work gather_stats;
1190 struct delayed_work scan_check;
1191 struct delayed_work post_associate;
1192
1193#define IWL_DEFAULT_TX_POWER 0x0F
1194 s8 user_txpower_limit;
1195 s8 max_channel_txpower_limit;
1196
1197#ifdef CONFIG_PM
1198 u32 pm_state[16];
1199#endif
1200
0a6857e7 1201#ifdef CONFIG_IWLWIFI_DEBUG
5d08cd1d
CH		 1202 /* debugging info */
1203 u32 framecnt_to_us;
1204 atomic_t restrict_refcnt;
712b6cf5
TW		 1205#ifdef CONFIG_IWLWIFI_DEBUGFS
1206 /* debugfs */
1207 struct iwl_debugfs *dbgfs;
1208#endif /* CONFIG_IWLWIFI_DEBUGFS */
1209#endif /* CONFIG_IWLWIFI_DEBUG */
5d08cd1d
CH		 1210
1211 struct work_struct txpower_work;
f0832f13 1212#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
5d08cd1d
CH		 1213 struct work_struct sensitivity_work;
1214#endif
5d08cd1d 1215 struct timer_list statistics_periodic;
c79dd5b5 1216}; /*iwl_priv */
5d08cd1d 1217
3109ece1 1218static inline int iwl_is_associated(struct iwl_priv *priv)
5d08cd1d
CH		 1219{
1220 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1221}
1222
bf85ea4f 1223static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
5d08cd1d
CH		 1224{
1225 if (ch_info == NULL)
1226 return 0;
1227 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1228}
1229
bf85ea4f 1230static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
5d08cd1d
CH		 1231{
1232 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1233}
1234
bf85ea4f 1235static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
5d08cd1d 1236{
8318d78a 1237 return ch_info->band == IEEE80211_BAND_5GHZ;
5d08cd1d
CH		 1238}
1239
bf85ea4f 1240static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
5d08cd1d 1241{
8318d78a 1242 return ch_info->band == IEEE80211_BAND_2GHZ;
5d08cd1d
CH		 1243}
1244
bf85ea4f 1245static inline int is_channel_passive(const struct iwl_channel_info *ch)
5d08cd1d
CH		 1246{
1247 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1248}
1249
bf85ea4f 1250static inline int is_channel_ibss(const struct iwl_channel_info *ch)
5d08cd1d
CH		 1251{
1252 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1253}
1254
8622e705 1255extern const struct iwl_channel_info *iwl_get_channel_info(
c79dd5b5 1256 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
5d08cd1d 1257
c79dd5b5 1258/* Requires full declaration of iwl_priv before including */
5d08cd1d 1259
bb8c093b 1260#endif /* __iwl4965_4965_h__ */
Linux 6.x block layer and io_uring tree(s)