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iwlwifi: don't switch to SGI if not supported by AP
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-dev.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 26/*
3e0d4cb1 27 * Please use this file (iwl-dev.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
a55360e4 94struct iwl_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 */
443cfd45 105struct iwl_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 */
8567c63e 121struct iwl_tx_info {
5d08cd1d
CH		 122 struct ieee80211_tx_status status;
123 struct sk_buff *skb[MAX_NUM_OF_TBS];
124};
125
126/**
16466903 127 * struct iwl_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 */
16466903 139struct iwl_tx_queue {
443cfd45 140 struct iwl_queue q;
1053d35f 141 struct iwl_tfd_frame *bd;
857485c0 142 struct iwl_cmd *cmd;
5d08cd1d 143 dma_addr_t dma_addr_cmd;
8567c63e 144 struct iwl_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
fcab423d 265struct iwl_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 {
133636de 322 struct iwl_addsta_cmd addsta;
bb8c093b 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;
83d527d9 332 struct iwl_tx_cmd tx;
bb8c093b
CH		 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/**
a55360e4 361 * struct iwl_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 *
a55360e4 370 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
5d08cd1d 371 */
a55360e4 372struct iwl_rx_queue {
5d08cd1d
CH		 373 __le32 *bd;
374 dma_addr_t dma_addr;
a55360e4
TW		 375 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
376 struct iwl_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 403/**
6def9761 404 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
bc47279f
BC		 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 */
6def9761 417struct iwl_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
6def9761 433struct iwl_tid_data {
5d08cd1d 434 u16 seq_number;
fe01b477 435 u16 tfds_in_queue;
c8b0e6e1 436#ifdef CONFIG_IWL4965_HT
6def9761 437 struct iwl_ht_agg agg;
c8b0e6e1 438#endif /* CONFIG_IWL4965_HT */
5d08cd1d
CH		 439};
440
6def9761 441struct iwl_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
5d08cd1d 457#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
5d08cd1d
CH		 458#define CFG_HT_MPDU_DENSITY_2USEC (0x5)
459#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
460
9e0cc6de
RR		 461struct iwl_ht_info {
462 /* self configuration data */
5d08cd1d 463 u8 is_ht;
9e0cc6de 464 u8 supported_chan_width;
5d08cd1d 465 u16 tx_mimo_ps_mode;
9e0cc6de 466 u8 is_green_field;
bb54244b 467 u8 sgf; /* HT_SHORT_GI_* short guard interval */
5d08cd1d
CH		 468 u8 max_amsdu_size;
469 u8 ampdu_factor;
470 u8 mpdu_density;
9e0cc6de
RR		 471 u8 supp_mcs_set[16];
472 /* BSS related data */
473 u8 control_channel;
5d08cd1d 474 u8 extension_chan_offset;
5d08cd1d 475 u8 tx_chan_width;
9e0cc6de
RR		 476 u8 ht_protection;
477 u8 non_GF_STA_present;
5d08cd1d 478};
5d08cd1d 479
bb8c093b 480union iwl4965_qos_capabity {
5d08cd1d
CH		 481 struct {
482 u8 edca_count:4; /* bit 0-3 */
483 u8 q_ack:1; /* bit 4 */
484 u8 queue_request:1; /* bit 5 */
485 u8 txop_request:1; /* bit 6 */
486 u8 reserved:1; /* bit 7 */
487 } q_AP;
488 struct {
489 u8 acvo_APSD:1; /* bit 0 */
490 u8 acvi_APSD:1; /* bit 1 */
491 u8 ac_bk_APSD:1; /* bit 2 */
492 u8 ac_be_APSD:1; /* bit 3 */
493 u8 q_ack:1; /* bit 4 */
494 u8 max_len:2; /* bit 5-6 */
495 u8 more_data_ack:1; /* bit 7 */
496 } q_STA;
497 u8 val;
498};
499
500/* QoS structures */
bb8c093b 501struct iwl4965_qos_info {
5d08cd1d
CH		 502 int qos_enable;
503 int qos_active;
bb8c093b
CH		 504 union iwl4965_qos_capabity qos_cap;
505 struct iwl4965_qosparam_cmd def_qos_parm;
5d08cd1d 506};
5d08cd1d
CH		 507
508#define STA_PS_STATUS_WAKE 0
509#define STA_PS_STATUS_SLEEP 1
510
6def9761 511struct iwl_station_entry {
133636de 512 struct iwl_addsta_cmd sta;
6def9761 513 struct iwl_tid_data tid[MAX_TID_COUNT];
5d08cd1d
CH		 514 u8 used;
515 u8 ps_status;
6def9761 516 struct iwl_hw_key keyinfo;
5d08cd1d
CH		 517};
518
519/* one for each uCode image (inst/data, boot/init/runtime) */
520struct fw_desc {
521 void *v_addr; /* access by driver */
522 dma_addr_t p_addr; /* access by card's busmaster DMA */
523 u32 len; /* bytes */
524};
525
526/* uCode file layout */
bb8c093b 527struct iwl4965_ucode {
5d08cd1d
CH		 528 __le32 ver; /* major/minor/subminor */
529 __le32 inst_size; /* bytes of runtime instructions */
530 __le32 data_size; /* bytes of runtime data */
531 __le32 init_size; /* bytes of initialization instructions */
532 __le32 init_data_size; /* bytes of initialization data */
533 __le32 boot_size; /* bytes of bootstrap instructions */
534 u8 data[0]; /* data in same order as "size" elements */
535};
536
537#define IWL_IBSS_MAC_HASH_SIZE 32
538
bb8c093b 539struct iwl4965_ibss_seq {
5d08cd1d
CH		 540 u8 mac[ETH_ALEN];
541 u16 seq_num;
542 u16 frag_num;
543 unsigned long packet_time;
544 struct list_head list;
545};
546
f0832f13
EG		 547struct iwl_sensitivity_ranges {
548 u16 min_nrg_cck;
549 u16 max_nrg_cck;
550
551 u16 nrg_th_cck;
552 u16 nrg_th_ofdm;
553
554 u16 auto_corr_min_ofdm;
555 u16 auto_corr_min_ofdm_mrc;
556 u16 auto_corr_min_ofdm_x1;
557 u16 auto_corr_min_ofdm_mrc_x1;
558
559 u16 auto_corr_max_ofdm;
560 u16 auto_corr_max_ofdm_mrc;
561 u16 auto_corr_max_ofdm_x1;
562 u16 auto_corr_max_ofdm_mrc_x1;
563
564 u16 auto_corr_max_cck;
565 u16 auto_corr_max_cck_mrc;
566 u16 auto_corr_min_cck;
567 u16 auto_corr_min_cck_mrc;
568};
569
099b40b7
RR		 570
571#define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
572
bc47279f 573/**
5425e490 574 * struct iwl_hw_params
bc47279f 575 * @max_txq_num: Max # Tx queues supported
099b40b7
RR		 576 * @tx/rx_chains_num: Number of TX/RX chains
577 * @valid_tx/rx_ant: usable antennas
bc47279f 578 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
bc47279f 579 * @max_rxq_log: Log-base-2 of max_rxq_size
099b40b7 580 * @rx_buf_size: Rx buffer size
bc47279f
BC		 581 * @max_stations:
582 * @bcast_sta_id:
099b40b7
RR		 583 * @fat_channel: is 40MHz width possible in band 2.4
584 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
585 * @sw_crypto: 0 for hw, 1 for sw
586 * @max_xxx_size: for ucode uses
587 * @ct_kill_threshold: temperature threshold
f0832f13 588 * @struct iwl_sensitivity_ranges: range of sensitivity values
bc47279f 589 */
5425e490 590struct iwl_hw_params {
5d08cd1d 591 u16 max_txq_num;
ec35cf2a
TW		 592 u8 tx_chains_num;
593 u8 rx_chains_num;
594 u8 valid_tx_ant;
595 u8 valid_rx_ant;
5d08cd1d 596 u16 max_rxq_size;
ec35cf2a 597 u16 max_rxq_log;
9ee1ba47
RR		 598 u32 rx_buf_size;
599 u32 max_pkt_size;
5d08cd1d
CH		 600 u8 max_stations;
601 u8 bcast_sta_id;
099b40b7
RR		 602 u8 fat_channel;
603 u8 sw_crypto;
604 u32 max_inst_size;
605 u32 max_data_size;
606 u32 max_bsm_size;
607 u32 ct_kill_threshold; /* value in hw-dependent units */
f0832f13
EG		 608#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
609 const struct iwl_sensitivity_ranges *sens;
610#endif
5d08cd1d
CH		 611};
612
a9841013
EG		 613#define HT_SHORT_GI_20MHZ (1 << 0)
614#define HT_SHORT_GI_40MHZ (1 << 1)
5d08cd1d
CH		 615
616
bb8c093b 617#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
5d08cd1d
CH		 618 x->u.rx_frame.stats.payload + \
619 x->u.rx_frame.stats.phy_count))
bb8c093b 620#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
5d08cd1d
CH		 621 IWL_RX_HDR(x)->payload + \
622 le16_to_cpu(IWL_RX_HDR(x)->len)))
623#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
624#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
625
626
627/******************************************************************************
628 *
629 * Functions implemented in iwl-base.c which are forward declared here
630 * for use by iwl-*.c
631 *
632 *****************************************************************************/
133636de
TW		 633struct iwl_addsta_cmd;
634extern int iwl_send_add_sta(struct iwl_priv *priv,
635 struct iwl_addsta_cmd *sta, u8 flags);
4f40e4d9
TW		 636u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
637 u8 flags, struct ieee80211_ht_info *ht_info);
c79dd5b5 638extern int iwl4965_is_network_packet(struct iwl_priv *priv,
5d08cd1d 639 struct ieee80211_hdr *header);
c79dd5b5
TW		 640extern int iwl4965_power_init_handle(struct iwl_priv *priv);
641extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv,
a55360e4 642 struct iwl_rx_mem_buffer *rxb,
5d08cd1d
CH		 643 void *data, short len,
644 struct ieee80211_rx_status *stats,
645 u16 phy_flags);
c79dd5b5 646extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv,
bb8c093b 647 struct ieee80211_hdr *header);
bb8c093b
CH		 648extern int iwl4965_calc_db_from_ratio(int sig_ratio);
649extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
c79dd5b5 650extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
5d08cd1d
CH		 651 struct ieee80211_hdr *hdr,
652 const u8 *dest, int left);
5da4b55f 653extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
079a2533
TW		 654int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
655
bf85ea4f
AK		 656int iwl4965_init_geos(struct iwl_priv *priv);
657void iwl4965_free_geos(struct iwl_priv *priv);
5d08cd1d 658
57bd1bea 659extern const u8 iwl_bcast_addr[ETH_ALEN];
857485c0 660int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
5d08cd1d
CH		 661
662/*
663 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
664 * call this... todo... fix that.
665*/
c79dd5b5 666extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id,
5d08cd1d
CH		 667 u16 tx_rate, u8 flags);
668
669/******************************************************************************
670 *
671 * Functions implemented in iwl-[34]*.c which are forward declared here
672 * for use by iwl-base.c
673 *
674 * NOTE: The implementation of these functions are hardware specific
675 * which is why they are in the hardware specific files (vs. iwl-base.c)
676 *
677 * Naming convention --
bb8c093b
CH		 678 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
679 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
5d08cd1d 680 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
bb8c093b
CH		 681 * iwl4965_bg_ <-- Called from work queue context
682 * iwl4965_mac_ <-- mac80211 callback
5d08cd1d
CH		 683 *
684 ****************************************************************************/
c79dd5b5
TW		 685extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
686extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
687extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv);
5425e490 688extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv);
c79dd5b5 689extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv);
c79dd5b5
TW		 690extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv);
691extern int iwl4965_hw_nic_reset(struct iwl_priv *priv);
c79dd5b5 692extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
c79dd5b5 693extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
fcab423d 694 struct iwl_frame *frame, u8 rate);
c79dd5b5 695extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
857485c0 696 struct iwl_cmd *cmd,
5d08cd1d
CH		 697 struct ieee80211_tx_control *ctrl,
698 struct ieee80211_hdr *hdr,
699 int sta_id, int tx_id);
c79dd5b5
TW		 700extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
701extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
702extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
a55360e4 703 struct iwl_rx_mem_buffer *rxb);
c79dd5b5
TW		 704extern void iwl4965_disable_events(struct iwl_priv *priv);
705extern int iwl4965_get_temperature(const struct iwl_priv *priv);
5d08cd1d
CH		 706
707/**
947b13a7 708 * iwl_find_station - Find station id for a given BSSID
5d08cd1d
CH		 709 * @bssid: MAC address of station ID to find
710 *
711 * NOTE: This should not be hardware specific but the code has
712 * not yet been merged into a single common layer for managing the
713 * station tables.
714 */
947b13a7 715extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid);
5d08cd1d 716
c79dd5b5
TW		 717extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
718extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
443cfd45 719extern int iwl_queue_space(const struct iwl_queue *q);
fd4abac5
TW		 720static inline int iwl_queue_used(const struct iwl_queue *q, int i)
721{
722 return q->write_ptr > q->read_ptr ?
723 (i >= q->read_ptr && i < q->write_ptr) :
724 !(i < q->read_ptr && i >= q->write_ptr);
725}
726
727
728static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
729{
730 /* This is for scan command, the big buffer at end of command array */
731 if (is_huge)
732 return q->n_window; /* must be power of 2 */
733
734 /* Otherwise, use normal size buffers */
735 return index & (q->n_window - 1);
736}
737
738
c79dd5b5 739struct iwl_priv;
b481de9c 740
ad97edd2 741extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio);
b481de9c
ZY		 742/*
743 * Forward declare iwl-4965.c functions for iwl-base.c
744 */
c79dd5b5 745extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
16466903 746 struct iwl_tx_queue *txq,
b481de9c 747 u16 byte_cnt);
c79dd5b5
TW		 748extern int iwl4965_alive_notify(struct iwl_priv *priv);
749extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
c79dd5b5
TW		 750extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
751extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
4c424e4c
RR		 752 u32 rate_n_flags,
753 struct ieee80211_tx_control *control);
b481de9c 754
c8b0e6e1 755#ifdef CONFIG_IWL4965_HT
fde0db31
GC		 756extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
757 struct ieee80211_ht_info *ht_info,
758 enum ieee80211_band band);
c79dd5b5 759void iwl4965_set_rxon_ht(struct iwl_priv *priv,
78330fdd 760 struct iwl_ht_info *ht_info);
78330fdd 761int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
9ab46173 762 enum ieee80211_ampdu_mlme_action action,
0df3ef45 763 const u8 *addr, u16 tid, u16 *ssn);
c79dd5b5 764int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
fe01b477 765 u8 tid, int txq_id);
78330fdd 766#else
fde0db31 767static inline void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
1ea87396 768 struct ieee80211_ht_info *ht_info,
78330fdd
TW		 769 enum ieee80211_band band) {}
770
c8b0e6e1 771#endif /*CONFIG_IWL4965_HT */
b481de9c
ZY		 772/* Structures, enum, and defines specific to the 4965 */
773
16466903 774#define IWL_KW_SIZE 0x1000 /*4k */
b481de9c 775
16466903 776struct iwl_kw {
b481de9c
ZY		 777 dma_addr_t dma_addr;
778 void *v_addr;
779 size_t size;
780};
781
b481de9c
ZY		 782#define IWL_CHANNEL_WIDTH_20MHZ 0
783#define IWL_CHANNEL_WIDTH_40MHZ 1
784
785#define IWL_MIMO_PS_STATIC 0
786#define IWL_MIMO_PS_NONE 3
787#define IWL_MIMO_PS_DYNAMIC 1
788#define IWL_MIMO_PS_INVALID 2
789
790#define IWL_OPERATION_MODE_AUTO 0
791#define IWL_OPERATION_MODE_HT_ONLY 1
792#define IWL_OPERATION_MODE_MIXED 2
793#define IWL_OPERATION_MODE_20MHZ 3
794
134eb5d3
GC		 795#define IWL_EXT_CHANNEL_OFFSET_NONE 0
796#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
797#define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2
798#define IWL_EXT_CHANNEL_OFFSET_BELOW 3
b481de9c 799
3195cdb7
TW		 800#define IWL_TX_CRC_SIZE 4
801#define IWL_TX_DELIMITER_SIZE 4
b481de9c 802
b481de9c 803#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
b481de9c 804
bb8c093b 805struct iwl4965_lq_mngr {
b481de9c
ZY		 806 spinlock_t lock;
807 s32 max_window_size;
808 s32 *expected_tpt;
809 u8 *next_higher_rate;
810 u8 *next_lower_rate;
811 unsigned long stamp;
812 unsigned long stamp_last;
813 u32 flush_time;
814 u32 tx_packets;
815 u8 lq_ready;
816};
817
b481de9c
ZY		 818/* Sensitivity and chain noise calibration */
819#define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
820#define INITIALIZATION_VALUE 0xFFFF
821#define CAL_NUM_OF_BEACONS 20
822#define MAXIMUM_ALLOWED_PATHLOSS 15
823
b481de9c
ZY		 824#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
825
826#define MAX_FA_OFDM 50
827#define MIN_FA_OFDM 5
828#define MAX_FA_CCK 50
829#define MIN_FA_CCK 5
830
b481de9c
ZY		 831#define AUTO_CORR_STEP_OFDM 1
832
b481de9c
ZY		 833#define AUTO_CORR_STEP_CCK 3
834#define AUTO_CORR_MAX_TH_CCK 160
835
b481de9c
ZY		 836#define NRG_DIFF 2
837#define NRG_STEP_CCK 2
838#define NRG_MARGIN 8
839#define MAX_NUMBER_CCK_NO_FA 100
840
841#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
842
843#define CHAIN_A 0
844#define CHAIN_B 1
845#define CHAIN_C 2
846#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
847#define ALL_BAND_FILTER 0xFF00
848#define IN_BAND_FILTER 0xFF
849#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
850
3195cdb7
TW		 851#define NRG_NUM_PREV_STAT_L 20
852#define NUM_RX_CHAINS 3
853
bb8c093b 854enum iwl4965_false_alarm_state {
b481de9c
ZY		 855 IWL_FA_TOO_MANY = 0,
856 IWL_FA_TOO_FEW = 1,
857 IWL_FA_GOOD_RANGE = 2,
858};
859
bb8c093b 860enum iwl4965_chain_noise_state {
b481de9c
ZY		 861 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
862 IWL_CHAIN_NOISE_ACCUMULATE = 1,
863 IWL_CHAIN_NOISE_CALIBRATED = 2,
864};
865
bb8c093b 866enum iwl4965_calib_enabled_state {
b481de9c
ZY		 867 IWL_CALIB_DISABLED = 0, /* must be 0 */
868 IWL_CALIB_ENABLED = 1,
869};
870
871struct statistics_general_data {
872 u32 beacon_silence_rssi_a;
873 u32 beacon_silence_rssi_b;
874 u32 beacon_silence_rssi_c;
875 u32 beacon_energy_a;
876 u32 beacon_energy_b;
877 u32 beacon_energy_c;
878};
879
f0832f13 880#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
b481de9c 881/* Sensitivity calib data */
f0832f13 882struct iwl_sensitivity_data {
b481de9c
ZY		 883 u32 auto_corr_ofdm;
884 u32 auto_corr_ofdm_mrc;
885 u32 auto_corr_ofdm_x1;
886 u32 auto_corr_ofdm_mrc_x1;
887 u32 auto_corr_cck;
888 u32 auto_corr_cck_mrc;
889
890 u32 last_bad_plcp_cnt_ofdm;
891 u32 last_fa_cnt_ofdm;
892 u32 last_bad_plcp_cnt_cck;
893 u32 last_fa_cnt_cck;
894
895 u32 nrg_curr_state;
896 u32 nrg_prev_state;
897 u32 nrg_value[10];
898 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
899 u32 nrg_silence_ref;
900 u32 nrg_energy_idx;
901 u32 nrg_silence_idx;
902 u32 nrg_th_cck;
903 s32 nrg_auto_corr_silence_diff;
904 u32 num_in_cck_no_fa;
905 u32 nrg_th_ofdm;
b481de9c
ZY		 906};
907
908/* Chain noise (differential Rx gain) calib data */
f0832f13 909struct iwl_chain_noise_data {
b481de9c
ZY		 910 u8 state;
911 u16 beacon_count;
912 u32 chain_noise_a;
913 u32 chain_noise_b;
914 u32 chain_noise_c;
915 u32 chain_signal_a;
916 u32 chain_signal_b;
917 u32 chain_signal_c;
918 u8 disconn_array[NUM_RX_CHAINS];
919 u8 delta_gain_code[NUM_RX_CHAINS];
920 u8 radio_write;
921};
f0832f13 922#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
b481de9c 923
abceddb4
BC		 924#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
925#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
b481de9c 926
5d08cd1d 927
c8b0e6e1 928#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d
CH		 929
930enum {
931 MEASUREMENT_READY = (1 << 0),
932 MEASUREMENT_ACTIVE = (1 << 1),
933};
934
935#endif
936
dfe7d458
RR		 937#define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
938
c79dd5b5 939struct iwl_priv {
5d08cd1d
CH		 940
941 /* ieee device used by generic ieee processing code */
942 struct ieee80211_hw *hw;
943 struct ieee80211_channel *ieee_channels;
944 struct ieee80211_rate *ieee_rates;
82b9a121 945 struct iwl_cfg *cfg;
5d08cd1d
CH		 946
947 /* temporary frame storage list */
948 struct list_head free_frames;
949 int frames_count;
950
8318d78a 951 enum ieee80211_band band;
5d08cd1d 952 int alloc_rxb_skb;
12342c47 953 bool add_radiotap;
5d08cd1d 954
c79dd5b5 955 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
a55360e4 956 struct iwl_rx_mem_buffer *rxb);
5d08cd1d 957
8318d78a 958 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
5d08cd1d 959
c8b0e6e1 960#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
5d08cd1d 961 /* spectrum measurement report caching */
bb8c093b 962 struct iwl4965_spectrum_notification measure_report;
5d08cd1d
CH		 963 u8 measurement_status;
964#endif
965 /* ucode beacon time */
966 u32 ucode_beacon_time;
967
bb8c093b 968 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
5d08cd1d 969 * Access via channel # using indirect index array */
bf85ea4f 970 struct iwl_channel_info *channel_info; /* channel info array */
5d08cd1d
CH		 971 u8 channel_count; /* # of channels */
972
973 /* each calibration channel group in the EEPROM has a derived
974 * clip setting for each rate. */
bb8c093b 975 const struct iwl4965_clip_group clip_groups[5];
5d08cd1d
CH		 976
977 /* thermal calibration */
978 s32 temperature; /* degrees Kelvin */
979 s32 last_temperature;
980
981 /* Scan related variables */
982 unsigned long last_scan_jiffies;
7878a5a4 983 unsigned long next_scan_jiffies;
5d08cd1d
CH		 984 unsigned long scan_start;
985 unsigned long scan_pass_start;
986 unsigned long scan_start_tsf;
987 int scan_bands;
988 int one_direct_scan;
989 u8 direct_ssid_len;
990 u8 direct_ssid[IW_ESSID_MAX_SIZE];
bb8c093b 991 struct iwl4965_scan_cmd *scan;
5d08cd1d
CH		 992
993 /* spinlock */
994 spinlock_t lock; /* protect general shared data */
995 spinlock_t hcmd_lock; /* protect hcmd */
996 struct mutex mutex;
997
998 /* basic pci-network driver stuff */
999 struct pci_dev *pci_dev;
1000
1001 /* pci hardware address support */
1002 void __iomem *hw_base;
b661c819
TW		 1003 u32 hw_rev;
1004 u32 hw_wa_rev;
1005 u8 rev_id;
5d08cd1d
CH		 1006
1007 /* uCode images, save to reload in case of failure */
1008 struct fw_desc ucode_code; /* runtime inst */
1009 struct fw_desc ucode_data; /* runtime data original */
1010 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1011 struct fw_desc ucode_init; /* initialization inst */
1012 struct fw_desc ucode_init_data; /* initialization data */
1013 struct fw_desc ucode_boot; /* bootstrap inst */
1014
1015
bb8c093b 1016 struct iwl4965_rxon_time_cmd rxon_timing;
5d08cd1d
CH		 1017
1018 /* We declare this const so it can only be
1019 * changed via explicit cast within the
1020 * routines that actually update the physical
1021 * hardware */
c1adf9fb
GG		 1022 const struct iwl_rxon_cmd active_rxon;
1023 struct iwl_rxon_cmd staging_rxon;
5d08cd1d
CH		 1024
1025 int error_recovering;
c1adf9fb 1026 struct iwl_rxon_cmd recovery_rxon;
5d08cd1d
CH		 1027
1028 /* 1st responses from initialize and runtime uCode images.
1029 * 4965's initialize alive response contains some calibration data. */
bb8c093b
CH		 1030 struct iwl4965_init_alive_resp card_alive_init;
1031 struct iwl4965_alive_resp card_alive;
eadd3c4b 1032#ifdef CONFIG_IWLWIFI_RFKILL
ad97edd2
MA		 1033 struct iwl_rfkill_mngr rfkill_mngr;
1034#endif
5d08cd1d 1035
36316126 1036#ifdef CONFIG_IWLWIFI_LEDS
ab53d8af
MA		 1037 struct iwl4965_led led[IWL_LED_TRG_MAX];
1038 unsigned long last_blink_time;
1039 u8 last_blink_rate;
1040 u8 allow_blinking;
1041 u64 led_tpt;
5d08cd1d
CH		 1042#endif
1043
1044 u16 active_rate;
1045 u16 active_rate_basic;
1046
5d08cd1d
CH		 1047 u8 assoc_station_added;
1048 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
5d08cd1d 1049 u8 start_calib;
f0832f13
EG		 1050#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1051 struct iwl_sensitivity_data sensitivity_data;
1052 struct iwl_chain_noise_data chain_noise_data;
5d08cd1d 1053 __le16 sensitivity_tbl[HD_TABLE_SIZE];
f0832f13 1054#endif /*CONFIG_IWLWIFI_RUN_TIME_CALIB*/
5d08cd1d 1055
c8b0e6e1 1056#ifdef CONFIG_IWL4965_HT
9e0cc6de 1057 struct iwl_ht_info current_ht_config;
5d08cd1d 1058#endif
5d08cd1d
CH		 1059 u8 last_phy_res[100];
1060
1061 /* Rate scaling data */
bb8c093b 1062 struct iwl4965_lq_mngr lq_mngr;
5d08cd1d
CH		 1063
1064 /* Rate scaling data */
1065 s8 data_retry_limit;
1066 u8 retry_rate;
1067
1068 wait_queue_head_t wait_command_queue;
1069
1070 int activity_timer_active;
1071
1072 /* Rx and Tx DMA processing queues */
a55360e4 1073 struct iwl_rx_queue rxq;
16466903 1074 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
5d08cd1d 1075 unsigned long txq_ctx_active_msk;
16466903 1076 struct iwl_kw kw; /* keep warm address */
5d08cd1d
CH		 1077 u32 scd_base_addr; /* scheduler sram base address */
1078
1079 unsigned long status;
5d08cd1d
CH		 1080
1081 int last_rx_rssi; /* From Rx packet statisitics */
1082 int last_rx_noise; /* From beacon statistics */
1083
19758bef
TW		 1084 /* counts mgmt, ctl, and data packets */
1085 struct traffic_stats {
1086 u32 cnt;
1087 u64 bytes;
1088 } tx_stats[3], rx_stats[3];
1089
5da4b55f 1090 struct iwl_power_mgr power_data;
5d08cd1d 1091
bb8c093b 1092 struct iwl4965_notif_statistics statistics;
5d08cd1d
CH		 1093 unsigned long last_statistics_time;
1094
1095 /* context information */
1096 u8 essid[IW_ESSID_MAX_SIZE];
1097 u8 essid_len;
1098 u16 rates_mask;
1099
1100 u32 power_mode;
1101 u32 antenna;
1102 u8 bssid[ETH_ALEN];
1103 u16 rts_threshold;
1104 u8 mac_addr[ETH_ALEN];
1105
1106 /*station table variables */
1107 spinlock_t sta_lock;
1108 int num_stations;
6def9761 1109 struct iwl_station_entry stations[IWL_STATION_COUNT];
6974e363
EG		 1110 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1111 u8 default_wep_key;
1112 u8 key_mapping_key;
80fb47a1 1113 unsigned long ucode_key_table;
5d08cd1d
CH		 1114
1115 /* Indication if ieee80211_ops->open has been called */
69dc5d9d 1116 u8 is_open;
5d08cd1d
CH		 1117
1118 u8 mac80211_registered;
5d08cd1d
CH		 1119
1120 u32 notif_missed_beacons;
1121
1122 /* Rx'd packet timing information */
1123 u32 last_beacon_time;
1124 u64 last_tsf;
1125
1126 /* Duplicate packet detection */
1127 u16 last_seq_num;
1128 u16 last_frag_num;
1129 unsigned long last_packet_time;
bc47279f
BC		 1130
1131 /* Hash table for finding stations in IBSS network */
5d08cd1d
CH		 1132 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1133
1134 /* eeprom */
073d3f5f
TW		 1135 u8 *eeprom;
1136 struct iwl_eeprom_calib_info *calib_info;
5d08cd1d 1137
69dc5d9d 1138 enum ieee80211_if_types iw_mode;
5d08cd1d
CH		 1139
1140 struct sk_buff *ibss_beacon;
1141
1142 /* Last Rx'd beacon timestamp */
3109ece1 1143 u64 timestamp;
5d08cd1d 1144 u16 beacon_int;
32bfd35d 1145 struct ieee80211_vif *vif;
5d08cd1d 1146
5425e490 1147 struct iwl_hw_params hw_params;
059ff826
TW		 1148 /* driver/uCode shared Tx Byte Counts and Rx status */
1149 void *shared_virt;
d67f5489 1150 int rb_closed_offset;
059ff826
TW		 1151 /* Physical Pointer to Tx Byte Counts and Rx status */
1152 dma_addr_t shared_phys;
1153
5d08cd1d
CH		 1154 /* Current association information needed to configure the
1155 * hardware */
1156 u16 assoc_id;
1157 u16 assoc_capability;
1158 u8 ps_mode;
1159
bb8c093b 1160 struct iwl4965_qos_info qos_data;
5d08cd1d
CH		 1161
1162 struct workqueue_struct *workqueue;
1163
1164 struct work_struct up;
1165 struct work_struct restart;
1166 struct work_struct calibrated_work;
1167 struct work_struct scan_completed;
1168 struct work_struct rx_replenish;
1169 struct work_struct rf_kill;
1170 struct work_struct abort_scan;
1171 struct work_struct update_link_led;
1172 struct work_struct auth_work;
1173 struct work_struct report_work;
1174 struct work_struct request_scan;
1175 struct work_struct beacon_update;
4419e39b 1176 struct work_struct set_monitor;
5d08cd1d
CH		 1177
1178 struct tasklet_struct irq_tasklet;
1179
1180 struct delayed_work init_alive_start;
1181 struct delayed_work alive_start;
1182 struct delayed_work activity_timer;
1183 struct delayed_work thermal_periodic;
1184 struct delayed_work gather_stats;
1185 struct delayed_work scan_check;
1186 struct delayed_work post_associate;
1187
1188#define IWL_DEFAULT_TX_POWER 0x0F
1189 s8 user_txpower_limit;
1190 s8 max_channel_txpower_limit;
1191
1192#ifdef CONFIG_PM
1193 u32 pm_state[16];
1194#endif
1195
0a6857e7 1196#ifdef CONFIG_IWLWIFI_DEBUG
5d08cd1d 1197 /* debugging info */
bf403db8 1198 u32 debug_level;
5d08cd1d
CH		 1199 u32 framecnt_to_us;
1200 atomic_t restrict_refcnt;
712b6cf5
TW		 1201#ifdef CONFIG_IWLWIFI_DEBUGFS
1202 /* debugfs */
1203 struct iwl_debugfs *dbgfs;
1204#endif /* CONFIG_IWLWIFI_DEBUGFS */
1205#endif /* CONFIG_IWLWIFI_DEBUG */
5d08cd1d
CH		 1206
1207 struct work_struct txpower_work;
f0832f13 1208#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
5d08cd1d
CH		 1209 struct work_struct sensitivity_work;
1210#endif
5d08cd1d 1211 struct timer_list statistics_periodic;
c79dd5b5 1212}; /*iwl_priv */
5d08cd1d 1213
3109ece1 1214static inline int iwl_is_associated(struct iwl_priv *priv)
5d08cd1d
CH		 1215{
1216 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1217}
1218
bf85ea4f 1219static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
5d08cd1d
CH		 1220{
1221 if (ch_info == NULL)
1222 return 0;
1223 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1224}
1225
bf85ea4f 1226static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
5d08cd1d
CH		 1227{
1228 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1229}
1230
bf85ea4f 1231static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
5d08cd1d 1232{
8318d78a 1233 return ch_info->band == IEEE80211_BAND_5GHZ;
5d08cd1d
CH		 1234}
1235
bf85ea4f 1236static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
5d08cd1d 1237{
8318d78a 1238 return ch_info->band == IEEE80211_BAND_2GHZ;
5d08cd1d
CH		 1239}
1240
bf85ea4f 1241static inline int is_channel_passive(const struct iwl_channel_info *ch)
5d08cd1d
CH		 1242{
1243 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1244}
1245
bf85ea4f 1246static inline int is_channel_ibss(const struct iwl_channel_info *ch)
5d08cd1d
CH		 1247{
1248 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1249}
1250
bf403db8
EK		 1251#ifdef CONFIG_IWLWIFI_DEBUG
1252static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1253 void *p, u32 len)
1254{
1255 if (!(priv->debug_level & level))
1256 return;
1257
1258 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1259 p, len, 1);
1260}
1261#else
1262static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1263 void *p, u32 len)
1264{
1265}
1266#endif
1267
8622e705 1268extern const struct iwl_channel_info *iwl_get_channel_info(
c79dd5b5 1269 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
5d08cd1d 1270
c79dd5b5 1271/* Requires full declaration of iwl_priv before including */
5d08cd1d 1272
bb8c093b 1273#endif /* __iwl4965_4965_h__ */
Linux kernel - Deliverables
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