?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
iwlwifi: Packing all 4965 parameters
[linux-2.6.git] / drivers / net / wireless / iwlwifi / iwl-4965.h
blob1480e1b698a4da10eff36944eeda60fa3829aa8b
1 /******************************************************************************
2 *
3 * Copyright(c) 2003 - 2008 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 *****************************************************************************/
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
32 #ifndef __iwl_4965_h__
33 #define __iwl_4965_h__
34
35 #include <linux/pci.h> /* for struct pci_device_id */
36 #include <linux/kernel.h>
37 #include <net/ieee80211_radiotap.h>
38
39 /* Hardware specific file defines the PCI IDs table for that hardware module */
40 extern struct pci_device_id iwl4965_hw_card_ids[];
41
42 #define DRV_NAME "iwl4965"
43 #include "iwl-eeprom.h"
44 #include "iwl-4965-hw.h"
45 #include "iwl-csr.h"
46 #include "iwl-prph.h"
47 #include "iwl-debug.h"
48
49 /* Change firmware file name, using "-" and incrementing number,
50 * *only* when uCode interface or architecture changes so that it
51 * is not compatible with earlier drivers.
52 * This number will also appear in << 8 position of 1st dword of uCode file */
53 #define IWL4965_UCODE_API "-1"
54
55
56 /* Default noise level to report when noise measurement is not available.
57 * This may be because we're:
58 * 1) Not associated (4965, no beacon statistics being sent to driver)
59 * 2) Scanning (noise measurement does not apply to associated channel)
60 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
61 * Use default noise value of -127 ... this is below the range of measurable
62 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
63 * Also, -127 works better than 0 when averaging frames with/without
64 * noise info (e.g. averaging might be done in app); measured dBm values are
65 * always negative ... using a negative value as the default keeps all
66 * averages within an s8's (used in some apps) range of negative values. */
67 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
68
69 /* Module parameters accessible from iwl-*.c */
70 extern struct iwl_mod_params iwl4965_mod_params;
71
72 enum iwl4965_antenna {
73 IWL_ANTENNA_DIVERSITY,
74 IWL_ANTENNA_MAIN,
75 IWL_ANTENNA_AUX
76 };
77
78 /*
79 * RTS threshold here is total size [2347] minus 4 FCS bytes
80 * Per spec:
81 * a value of 0 means RTS on all data/management packets
82 * a value > max MSDU size means no RTS
83 * else RTS for data/management frames where MPDU is larger
84 * than RTS value.
85 */
86 #define DEFAULT_RTS_THRESHOLD 2347U
87 #define MIN_RTS_THRESHOLD 0U
88 #define MAX_RTS_THRESHOLD 2347U
89 #define MAX_MSDU_SIZE 2304U
90 #define MAX_MPDU_SIZE 2346U
91 #define DEFAULT_BEACON_INTERVAL 100U
92 #define DEFAULT_SHORT_RETRY_LIMIT 7U
93 #define DEFAULT_LONG_RETRY_LIMIT 4U
94
95 struct iwl4965_rx_mem_buffer {
96 dma_addr_t dma_addr;
97 struct sk_buff *skb;
98 struct list_head list;
99 };
100
101 /*
102 * Generic queue structure
103 *
104 * Contains common data for Rx and Tx queues
105 */
106 struct iwl4965_queue {
107 int n_bd; /* number of BDs in this queue */
108 int write_ptr; /* 1-st empty entry (index) host_w*/
109 int read_ptr; /* last used entry (index) host_r*/
110 dma_addr_t dma_addr; /* physical addr for BD's */
111 int n_window; /* safe queue window */
112 u32 id;
113 int low_mark; /* low watermark, resume queue if free
114 * space more than this */
115 int high_mark; /* high watermark, stop queue if free
116 * space less than this */
117 } __attribute__ ((packed));
118
119 #define MAX_NUM_OF_TBS (20)
120
121 /* One for each TFD */
122 struct iwl4965_tx_info {
123 struct ieee80211_tx_status status;
124 struct sk_buff *skb[MAX_NUM_OF_TBS];
125 };
126
127 /**
128 * struct iwl4965_tx_queue - Tx Queue for DMA
129 * @q: generic Rx/Tx queue descriptor
130 * @bd: base of circular buffer of TFDs
131 * @cmd: array of command/Tx buffers
132 * @dma_addr_cmd: physical address of cmd/tx buffer array
133 * @txb: array of per-TFD driver data
134 * @need_update: indicates need to update read/write index
135 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
136 *
137 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
138 * descriptors) and required locking structures.
139 */
140 struct iwl4965_tx_queue {
141 struct iwl4965_queue q;
142 struct iwl4965_tfd_frame *bd;
143 struct iwl4965_cmd *cmd;
144 dma_addr_t dma_addr_cmd;
145 struct iwl4965_tx_info *txb;
146 int need_update;
147 int sched_retry;
148 int active;
149 };
150
151 #define IWL_NUM_SCAN_RATES (2)
152
153 struct iwl4965_channel_tgd_info {
154 u8 type;
155 s8 max_power;
156 };
157
158 struct iwl4965_channel_tgh_info {
159 s64 last_radar_time;
160 };
161
162 /* current Tx power values to use, one for each rate for each channel.
163 * requested power is limited by:
164 * -- regulatory EEPROM limits for this channel
165 * -- hardware capabilities (clip-powers)
166 * -- spectrum management
167 * -- user preference (e.g. iwconfig)
168 * when requested power is set, base power index must also be set. */
169 struct iwl4965_channel_power_info {
170 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
171 s8 power_table_index; /* actual (compenst'd) index into gain table */
172 s8 base_power_index; /* gain index for power at factory temp. */
173 s8 requested_power; /* power (dBm) requested for this chnl/rate */
174 };
175
176 /* current scan Tx power values to use, one for each scan rate for each
177 * channel. */
178 struct iwl4965_scan_power_info {
179 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
180 s8 power_table_index; /* actual (compenst'd) index into gain table */
181 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
182 };
183
184 /* For fat_extension_channel */
185 enum {
186 HT_IE_EXT_CHANNEL_NONE = 0,
187 HT_IE_EXT_CHANNEL_ABOVE,
188 HT_IE_EXT_CHANNEL_INVALID,
189 HT_IE_EXT_CHANNEL_BELOW,
190 HT_IE_EXT_CHANNEL_MAX
191 };
192
193 /*
194 * One for each channel, holds all channel setup data
195 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
196 * with one another!
197 */
198 #define IWL4965_MAX_RATE (33)
199
200 struct iwl4965_channel_info {
201 struct iwl4965_channel_tgd_info tgd;
202 struct iwl4965_channel_tgh_info tgh;
203 struct iwl4965_eeprom_channel eeprom; /* EEPROM regulatory limit */
204 struct iwl4965_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
205 * FAT channel */
206
207 u8 channel; /* channel number */
208 u8 flags; /* flags copied from EEPROM */
209 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
210 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
211 s8 min_power; /* always 0 */
212 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
213
214 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
215 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
216 enum ieee80211_band band;
217
218 /* Radio/DSP gain settings for each "normal" data Tx rate.
219 * These include, in addition to RF and DSP gain, a few fields for
220 * remembering/modifying gain settings (indexes). */
221 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
222
223 /* FAT channel info */
224 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
225 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
226 s8 fat_min_power; /* always 0 */
227 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
228 u8 fat_flags; /* flags copied from EEPROM */
229 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
230
231 /* Radio/DSP gain settings for each scan rate, for directed scans. */
232 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
233 };
234
235 struct iwl4965_clip_group {
236 /* maximum power level to prevent clipping for each rate, derived by
237 * us from this band's saturation power in EEPROM */
238 const s8 clip_powers[IWL_MAX_RATES];
239 };
240
241 #include "iwl-4965-rs.h"
242
243 #define IWL_TX_FIFO_AC0 0
244 #define IWL_TX_FIFO_AC1 1
245 #define IWL_TX_FIFO_AC2 2
246 #define IWL_TX_FIFO_AC3 3
247 #define IWL_TX_FIFO_HCCA_1 5
248 #define IWL_TX_FIFO_HCCA_2 6
249 #define IWL_TX_FIFO_NONE 7
250
251 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
252 #define IWL_MIN_NUM_QUEUES 4
253
254 /* Power management (not Tx power) structures */
255
256 struct iwl4965_power_vec_entry {
257 struct iwl4965_powertable_cmd cmd;
258 u8 no_dtim;
259 };
260 #define IWL_POWER_RANGE_0 (0)
261 #define IWL_POWER_RANGE_1 (1)
262
263 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
264 #define IWL_POWER_INDEX_3 0x03
265 #define IWL_POWER_INDEX_5 0x05
266 #define IWL_POWER_AC 0x06
267 #define IWL_POWER_BATTERY 0x07
268 #define IWL_POWER_LIMIT 0x07
269 #define IWL_POWER_MASK 0x0F
270 #define IWL_POWER_ENABLED 0x10
271 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
272
273 struct iwl4965_power_mgr {
274 spinlock_t lock;
275 struct iwl4965_power_vec_entry pwr_range_0[IWL_POWER_AC];
276 struct iwl4965_power_vec_entry pwr_range_1[IWL_POWER_AC];
277 u8 active_index;
278 u32 dtim_val;
279 };
280
281 #define IEEE80211_DATA_LEN 2304
282 #define IEEE80211_4ADDR_LEN 30
283 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
284 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
285
286 struct iwl4965_frame {
287 union {
288 struct ieee80211_hdr frame;
289 struct iwl4965_tx_beacon_cmd beacon;
290 u8 raw[IEEE80211_FRAME_LEN];
291 u8 cmd[360];
292 } u;
293 struct list_head list;
294 };
295
296 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
297 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
298 #define SEQ_TO_INDEX(x) (x & 0xff)
299 #define INDEX_TO_SEQ(x) (x & 0xff)
300 #define SEQ_HUGE_FRAME (0x4000)
301 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
302 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
303 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
304 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
305
306 enum {
307 /* CMD_SIZE_NORMAL = 0, */
308 CMD_SIZE_HUGE = (1 << 0),
309 /* CMD_SYNC = 0, */
310 CMD_ASYNC = (1 << 1),
311 /* CMD_NO_SKB = 0, */
312 CMD_WANT_SKB = (1 << 2),
313 };
314
315 struct iwl4965_cmd;
316 struct iwl_priv;
317
318 struct iwl4965_cmd_meta {
319 struct iwl4965_cmd_meta *source;
320 union {
321 struct sk_buff *skb;
322 int (*callback)(struct iwl_priv *priv,
323 struct iwl4965_cmd *cmd, struct sk_buff *skb);
324 } __attribute__ ((packed)) u;
325
326 /* The CMD_SIZE_HUGE flag bit indicates that the command
327 * structure is stored at the end of the shared queue memory. */
328 u32 flags;
329
330 } __attribute__ ((packed));
331
332 /**
333 * struct iwl4965_cmd
334 *
335 * For allocation of the command and tx queues, this establishes the overall
336 * size of the largest command we send to uCode, except for a scan command
337 * (which is relatively huge; space is allocated separately).
338 */
339 struct iwl4965_cmd {
340 struct iwl4965_cmd_meta meta; /* driver data */
341 struct iwl4965_cmd_header hdr; /* uCode API */
342 union {
343 struct iwl4965_addsta_cmd addsta;
344 struct iwl4965_led_cmd led;
345 u32 flags;
346 u8 val8;
347 u16 val16;
348 u32 val32;
349 struct iwl4965_bt_cmd bt;
350 struct iwl4965_rxon_time_cmd rxon_time;
351 struct iwl4965_powertable_cmd powertable;
352 struct iwl4965_qosparam_cmd qosparam;
353 struct iwl4965_tx_cmd tx;
354 struct iwl4965_tx_beacon_cmd tx_beacon;
355 struct iwl4965_rxon_assoc_cmd rxon_assoc;
356 u8 *indirect;
357 u8 payload[360];
358 } __attribute__ ((packed)) cmd;
359 } __attribute__ ((packed));
360
361 struct iwl4965_host_cmd {
362 u8 id;
363 u16 len;
364 struct iwl4965_cmd_meta meta;
365 const void *data;
366 };
367
368 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl4965_cmd) - \
369 sizeof(struct iwl4965_cmd_meta))
370
371 /*
372 * RX related structures and functions
373 */
374 #define RX_FREE_BUFFERS 64
375 #define RX_LOW_WATERMARK 8
376
377 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
378 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
379 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
380
381 /**
382 * struct iwl4965_rx_queue - Rx queue
383 * @processed: Internal index to last handled Rx packet
384 * @read: Shared index to newest available Rx buffer
385 * @write: Shared index to oldest written Rx packet
386 * @free_count: Number of pre-allocated buffers in rx_free
387 * @rx_free: list of free SKBs for use
388 * @rx_used: List of Rx buffers with no SKB
389 * @need_update: flag to indicate we need to update read/write index
390 *
391 * NOTE: rx_free and rx_used are used as a FIFO for iwl4965_rx_mem_buffers
392 */
393 struct iwl4965_rx_queue {
394 __le32 *bd;
395 dma_addr_t dma_addr;
396 struct iwl4965_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
397 struct iwl4965_rx_mem_buffer *queue[RX_QUEUE_SIZE];
398 u32 processed;
399 u32 read;
400 u32 write;
401 u32 free_count;
402 struct list_head rx_free;
403 struct list_head rx_used;
404 int need_update;
405 spinlock_t lock;
406 };
407
408 #define IWL_SUPPORTED_RATES_IE_LEN 8
409
410 #define SCAN_INTERVAL 100
411
412 #define MAX_A_CHANNELS 252
413 #define MIN_A_CHANNELS 7
414
415 #define MAX_B_CHANNELS 14
416 #define MIN_B_CHANNELS 1
417
418 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
419 #define STATUS_INT_ENABLED 1
420 #define STATUS_RF_KILL_HW 2
421 #define STATUS_RF_KILL_SW 3
422 #define STATUS_INIT 4
423 #define STATUS_ALIVE 5
424 #define STATUS_READY 6
425 #define STATUS_TEMPERATURE 7
426 #define STATUS_GEO_CONFIGURED 8
427 #define STATUS_EXIT_PENDING 9
428 #define STATUS_IN_SUSPEND 10
429 #define STATUS_STATISTICS 11
430 #define STATUS_SCANNING 12
431 #define STATUS_SCAN_ABORTING 13
432 #define STATUS_SCAN_HW 14
433 #define STATUS_POWER_PMI 15
434 #define STATUS_FW_ERROR 16
435 #define STATUS_CONF_PENDING 17
436
437 #define MAX_TID_COUNT 9
438
439 #define IWL_INVALID_RATE 0xFF
440 #define IWL_INVALID_VALUE -1
441
442 #ifdef CONFIG_IWL4965_HT
443 /**
444 * struct iwl4965_ht_agg -- aggregation status while waiting for block-ack
445 * @txq_id: Tx queue used for Tx attempt
446 * @frame_count: # frames attempted by Tx command
447 * @wait_for_ba: Expect block-ack before next Tx reply
448 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
449 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
450 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
451 * @rate_n_flags: Rate at which Tx was attempted
452 *
453 * If REPLY_TX indicates that aggregation was attempted, driver must wait
454 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
455 * until block ack arrives.
456 */
457 struct iwl4965_ht_agg {
458 u16 txq_id;
459 u16 frame_count;
460 u16 wait_for_ba;
461 u16 start_idx;
462 u64 bitmap;
463 u32 rate_n_flags;
464 #define IWL_AGG_OFF 0
465 #define IWL_AGG_ON 1
466 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
467 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
468 u8 state;
469 };
470
471 #endif /* CONFIG_IWL4965_HT */
472
473 struct iwl4965_tid_data {
474 u16 seq_number;
475 u16 tfds_in_queue;
476 #ifdef CONFIG_IWL4965_HT
477 struct iwl4965_ht_agg agg;
478 #endif /* CONFIG_IWL4965_HT */
479 };
480
481 struct iwl4965_hw_key {
482 enum ieee80211_key_alg alg;
483 int keylen;
484 u8 key[32];
485 };
486
487 union iwl4965_ht_rate_supp {
488 u16 rates;
489 struct {
490 u8 siso_rate;
491 u8 mimo_rate;
492 };
493 };
494
495 #ifdef CONFIG_IWL4965_HT
496 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
497 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
498 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
499
500 struct iwl_ht_info {
501 /* self configuration data */
502 u8 is_ht;
503 u8 supported_chan_width;
504 u16 tx_mimo_ps_mode;
505 u8 is_green_field;
506 u8 sgf; /* HT_SHORT_GI_* short guard interval */
507 u8 max_amsdu_size;
508 u8 ampdu_factor;
509 u8 mpdu_density;
510 u8 supp_mcs_set[16];
511 /* BSS related data */
512 u8 control_channel;
513 u8 extension_chan_offset;
514 u8 tx_chan_width;
515 u8 ht_protection;
516 u8 non_GF_STA_present;
517 };
518 #endif /*CONFIG_IWL4965_HT */
519
520 union iwl4965_qos_capabity {
521 struct {
522 u8 edca_count:4; /* bit 0-3 */
523 u8 q_ack:1; /* bit 4 */
524 u8 queue_request:1; /* bit 5 */
525 u8 txop_request:1; /* bit 6 */
526 u8 reserved:1; /* bit 7 */
527 } q_AP;
528 struct {
529 u8 acvo_APSD:1; /* bit 0 */
530 u8 acvi_APSD:1; /* bit 1 */
531 u8 ac_bk_APSD:1; /* bit 2 */
532 u8 ac_be_APSD:1; /* bit 3 */
533 u8 q_ack:1; /* bit 4 */
534 u8 max_len:2; /* bit 5-6 */
535 u8 more_data_ack:1; /* bit 7 */
536 } q_STA;
537 u8 val;
538 };
539
540 /* QoS structures */
541 struct iwl4965_qos_info {
542 int qos_enable;
543 int qos_active;
544 union iwl4965_qos_capabity qos_cap;
545 struct iwl4965_qosparam_cmd def_qos_parm;
546 };
547
548 #define STA_PS_STATUS_WAKE 0
549 #define STA_PS_STATUS_SLEEP 1
550
551 struct iwl4965_station_entry {
552 struct iwl4965_addsta_cmd sta;
553 struct iwl4965_tid_data tid[MAX_TID_COUNT];
554 u8 used;
555 u8 ps_status;
556 struct iwl4965_hw_key keyinfo;
557 };
558
559 /* one for each uCode image (inst/data, boot/init/runtime) */
560 struct fw_desc {
561 void *v_addr; /* access by driver */
562 dma_addr_t p_addr; /* access by card's busmaster DMA */
563 u32 len; /* bytes */
564 };
565
566 /* uCode file layout */
567 struct iwl4965_ucode {
568 __le32 ver; /* major/minor/subminor */
569 __le32 inst_size; /* bytes of runtime instructions */
570 __le32 data_size; /* bytes of runtime data */
571 __le32 init_size; /* bytes of initialization instructions */
572 __le32 init_data_size; /* bytes of initialization data */
573 __le32 boot_size; /* bytes of bootstrap instructions */
574 u8 data[0]; /* data in same order as "size" elements */
575 };
576
577 #define IWL_IBSS_MAC_HASH_SIZE 32
578
579 struct iwl4965_ibss_seq {
580 u8 mac[ETH_ALEN];
581 u16 seq_num;
582 u16 frag_num;
583 unsigned long packet_time;
584 struct list_head list;
585 };
586
587 /**
588 * struct iwl4965_driver_hw_info
589 * @max_txq_num: Max # Tx queues supported
590 * @tx_cmd_len: Size of Tx command (but not including frame itself)
591 * @tx_ant_num: Number of TX antennas
592 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
593 * @rx_buffer_size:
594 * @max_rxq_log: Log-base-2 of max_rxq_size
595 * @max_stations:
596 * @bcast_sta_id:
597 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
598 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
599 */
600 struct iwl4965_driver_hw_info {
601 u16 max_txq_num;
602 u16 tx_cmd_len;
603 u16 tx_ant_num;
604 u16 max_rxq_size;
605 u32 rx_buf_size;
606 u32 max_pkt_size;
607 u16 max_rxq_log;
608 u8 max_stations;
609 u8 bcast_sta_id;
610 void *shared_virt;
611 dma_addr_t shared_phys;
612 };
613
614 #define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
615 #define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
616
617
618 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
619 x->u.rx_frame.stats.payload + \
620 x->u.rx_frame.stats.phy_count))
621 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
622 IWL_RX_HDR(x)->payload + \
623 le16_to_cpu(IWL_RX_HDR(x)->len)))
624 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
625 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
626
627
628 /******************************************************************************
629 *
630 * Functions implemented in iwl-base.c which are forward declared here
631 * for use by iwl-*.c
632 *
633 *****************************************************************************/
634 struct iwl4965_addsta_cmd;
635 extern int iwl4965_send_add_station(struct iwl_priv *priv,
636 struct iwl4965_addsta_cmd *sta, u8 flags);
637 extern u8 iwl4965_add_station_flags(struct iwl_priv *priv, const u8 *addr,
638 int is_ap, u8 flags, void *ht_data);
639 extern int iwl4965_is_network_packet(struct iwl_priv *priv,
640 struct ieee80211_hdr *header);
641 extern int iwl4965_power_init_handle(struct iwl_priv *priv);
642 extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv,
643 struct iwl4965_rx_mem_buffer *rxb,
644 void *data, short len,
645 struct ieee80211_rx_status *stats,
646 u16 phy_flags);
647 extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv,
648 struct ieee80211_hdr *header);
649 extern int iwl4965_rx_queue_alloc(struct iwl_priv *priv);
650 extern void iwl4965_rx_queue_reset(struct iwl_priv *priv,
651 struct iwl4965_rx_queue *rxq);
652 extern int iwl4965_calc_db_from_ratio(int sig_ratio);
653 extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
654 extern int iwl4965_tx_queue_init(struct iwl_priv *priv,
655 struct iwl4965_tx_queue *txq, int count, u32 id);
656 extern void iwl4965_rx_replenish(void *data);
657 extern void iwl4965_tx_queue_free(struct iwl_priv *priv, struct iwl4965_tx_queue *txq);
658 extern int iwl4965_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len,
659 const void *data);
660 extern int __must_check iwl4965_send_cmd(struct iwl_priv *priv,
661 struct iwl4965_host_cmd *cmd);
662 extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
663 struct ieee80211_hdr *hdr,
664 const u8 *dest, int left);
665 extern int iwl4965_rx_queue_update_write_ptr(struct iwl_priv *priv,
666 struct iwl4965_rx_queue *q);
667 extern int iwl4965_send_statistics_request(struct iwl_priv *priv);
668 extern void iwl4965_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb,
669 u32 decrypt_res,
670 struct ieee80211_rx_status *stats);
671 extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
672
673 extern const u8 iwl4965_broadcast_addr[ETH_ALEN];
674
675 /*
676 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
677 * call this... todo... fix that.
678 */
679 extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id,
680 u16 tx_rate, u8 flags);
681
682 /******************************************************************************
683 *
684 * Functions implemented in iwl-[34]*.c which are forward declared here
685 * for use by iwl-base.c
686 *
687 * NOTE: The implementation of these functions are hardware specific
688 * which is why they are in the hardware specific files (vs. iwl-base.c)
689 *
690 * Naming convention --
691 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
692 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
693 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
694 * iwl4965_bg_ <-- Called from work queue context
695 * iwl4965_mac_ <-- mac80211 callback
696 *
697 ****************************************************************************/
698 extern void iwl4965_hw_rx_handler_setup(struct iwl_priv *priv);
699 extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
700 extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
701 extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv);
702 extern int iwl4965_hw_set_hw_setting(struct iwl_priv *priv);
703 extern int iwl4965_hw_nic_init(struct iwl_priv *priv);
704 extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv);
705 extern void iwl4965_hw_txq_ctx_free(struct iwl_priv *priv);
706 extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv);
707 extern int iwl4965_hw_nic_reset(struct iwl_priv *priv);
708 extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
709 dma_addr_t addr, u16 len);
710 extern int iwl4965_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl4965_tx_queue *txq);
711 extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
712 extern int iwl4965_hw_tx_queue_init(struct iwl_priv *priv,
713 struct iwl4965_tx_queue *txq);
714 extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
715 struct iwl4965_frame *frame, u8 rate);
716 extern int iwl4965_hw_get_rx_read(struct iwl_priv *priv);
717 extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
718 struct iwl4965_cmd *cmd,
719 struct ieee80211_tx_control *ctrl,
720 struct ieee80211_hdr *hdr,
721 int sta_id, int tx_id);
722 extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
723 extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
724 extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
725 struct iwl4965_rx_mem_buffer *rxb);
726 extern void iwl4965_disable_events(struct iwl_priv *priv);
727 extern int iwl4965_get_temperature(const struct iwl_priv *priv);
728
729 /**
730 * iwl4965_hw_find_station - Find station id for a given BSSID
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 */
737 extern u8 iwl4965_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
738
739 extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
740 extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
741 extern int iwl4965_queue_space(const struct iwl4965_queue *q);
742 struct iwl_priv;
743
744 /*
745 * Forward declare iwl-4965.c functions for iwl-base.c
746 */
747 extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
748 struct iwl4965_tx_queue *txq,
749 u16 byte_cnt);
750 extern void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr,
751 int is_ap);
752 extern void iwl4965_set_rxon_chain(struct iwl_priv *priv);
753 extern int iwl4965_alive_notify(struct iwl_priv *priv);
754 extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
755 extern void iwl4965_chain_noise_reset(struct iwl_priv *priv);
756 extern void iwl4965_init_sensitivity(struct iwl_priv *priv, u8 flags,
757 u8 force);
758 extern int iwl4965_set_fat_chan_info(struct iwl_priv *priv,
759 enum ieee80211_band band,
760 u16 channel,
761 const struct iwl4965_eeprom_channel *eeprom_ch,
762 u8 fat_extension_channel);
763 extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
764 extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
765 u32 rate_n_flags,
766 struct ieee80211_tx_control *control);
767
768 #ifdef CONFIG_IWL4965_HT
769 void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info,
770 enum ieee80211_band band);
771 void iwl4965_set_rxon_ht(struct iwl_priv *priv,
772 struct iwl_ht_info *ht_info);
773 void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index,
774 struct ieee80211_ht_info *sta_ht_inf);
775 int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
776 enum ieee80211_ampdu_mlme_action action,
777 const u8 *addr, u16 tid, u16 *ssn);
778 int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
779 u8 tid, int txq_id);
780 #else
781 static inline void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info,
782 enum ieee80211_band band) {}
783
784 #endif /*CONFIG_IWL4965_HT */
785 /* Structures, enum, and defines specific to the 4965 */
786
787 #define IWL4965_KW_SIZE 0x1000 /*4k */
788
789 struct iwl4965_kw {
790 dma_addr_t dma_addr;
791 void *v_addr;
792 size_t size;
793 };
794
795 #define IWL_CHANNEL_WIDTH_20MHZ 0
796 #define IWL_CHANNEL_WIDTH_40MHZ 1
797
798 #define IWL_MIMO_PS_STATIC 0
799 #define IWL_MIMO_PS_NONE 3
800 #define IWL_MIMO_PS_DYNAMIC 1
801 #define IWL_MIMO_PS_INVALID 2
802
803 #define IWL_OPERATION_MODE_AUTO 0
804 #define IWL_OPERATION_MODE_HT_ONLY 1
805 #define IWL_OPERATION_MODE_MIXED 2
806 #define IWL_OPERATION_MODE_20MHZ 3
807
808 #define IWL_EXT_CHANNEL_OFFSET_NONE 0
809 #define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
810 #define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2
811 #define IWL_EXT_CHANNEL_OFFSET_BELOW 3
812
813 #define NRG_NUM_PREV_STAT_L 20
814 #define NUM_RX_CHAINS (3)
815
816 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
817
818 struct iwl4965_lq_mngr {
819 spinlock_t lock;
820 s32 max_window_size;
821 s32 *expected_tpt;
822 u8 *next_higher_rate;
823 u8 *next_lower_rate;
824 unsigned long stamp;
825 unsigned long stamp_last;
826 u32 flush_time;
827 u32 tx_packets;
828 u8 lq_ready;
829 };
830
831 /* Sensitivity and chain noise calibration */
832 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
833 #define INITIALIZATION_VALUE 0xFFFF
834 #define CAL_NUM_OF_BEACONS 20
835 #define MAXIMUM_ALLOWED_PATHLOSS 15
836
837 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
838
839 #define MAX_FA_OFDM 50
840 #define MIN_FA_OFDM 5
841 #define MAX_FA_CCK 50
842 #define MIN_FA_CCK 5
843
844 #define NRG_MIN_CCK 97
845 #define NRG_MAX_CCK 0
846
847 #define AUTO_CORR_MIN_OFDM 85
848 #define AUTO_CORR_MIN_OFDM_MRC 170
849 #define AUTO_CORR_MIN_OFDM_X1 105
850 #define AUTO_CORR_MIN_OFDM_MRC_X1 220
851 #define AUTO_CORR_MAX_OFDM 120
852 #define AUTO_CORR_MAX_OFDM_MRC 210
853 #define AUTO_CORR_MAX_OFDM_X1 140
854 #define AUTO_CORR_MAX_OFDM_MRC_X1 270
855 #define AUTO_CORR_STEP_OFDM 1
856
857 #define AUTO_CORR_MIN_CCK (125)
858 #define AUTO_CORR_MAX_CCK (200)
859 #define AUTO_CORR_MIN_CCK_MRC 200
860 #define AUTO_CORR_MAX_CCK_MRC 400
861 #define AUTO_CORR_STEP_CCK 3
862 #define AUTO_CORR_MAX_TH_CCK 160
863
864 #define NRG_DIFF 2
865 #define NRG_STEP_CCK 2
866 #define NRG_MARGIN 8
867 #define MAX_NUMBER_CCK_NO_FA 100
868
869 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
870
871 #define CHAIN_A 0
872 #define CHAIN_B 1
873 #define CHAIN_C 2
874 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
875 #define ALL_BAND_FILTER 0xFF00
876 #define IN_BAND_FILTER 0xFF
877 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
878
879 enum iwl4965_false_alarm_state {
880 IWL_FA_TOO_MANY = 0,
881 IWL_FA_TOO_FEW = 1,
882 IWL_FA_GOOD_RANGE = 2,
883 };
884
885 enum iwl4965_chain_noise_state {
886 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
887 IWL_CHAIN_NOISE_ACCUMULATE = 1,
888 IWL_CHAIN_NOISE_CALIBRATED = 2,
889 };
890
891 enum iwl4965_sensitivity_state {
892 IWL_SENS_CALIB_ALLOWED = 0,
893 IWL_SENS_CALIB_NEED_REINIT = 1,
894 };
895
896 enum iwl4965_calib_enabled_state {
897 IWL_CALIB_DISABLED = 0, /* must be 0 */
898 IWL_CALIB_ENABLED = 1,
899 };
900
901 struct statistics_general_data {
902 u32 beacon_silence_rssi_a;
903 u32 beacon_silence_rssi_b;
904 u32 beacon_silence_rssi_c;
905 u32 beacon_energy_a;
906 u32 beacon_energy_b;
907 u32 beacon_energy_c;
908 };
909
910 /* Sensitivity calib data */
911 struct iwl4965_sensitivity_data {
912 u32 auto_corr_ofdm;
913 u32 auto_corr_ofdm_mrc;
914 u32 auto_corr_ofdm_x1;
915 u32 auto_corr_ofdm_mrc_x1;
916 u32 auto_corr_cck;
917 u32 auto_corr_cck_mrc;
918
919 u32 last_bad_plcp_cnt_ofdm;
920 u32 last_fa_cnt_ofdm;
921 u32 last_bad_plcp_cnt_cck;
922 u32 last_fa_cnt_cck;
923
924 u32 nrg_curr_state;
925 u32 nrg_prev_state;
926 u32 nrg_value[10];
927 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
928 u32 nrg_silence_ref;
929 u32 nrg_energy_idx;
930 u32 nrg_silence_idx;
931 u32 nrg_th_cck;
932 s32 nrg_auto_corr_silence_diff;
933 u32 num_in_cck_no_fa;
934 u32 nrg_th_ofdm;
935
936 u8 state;
937 };
938
939 /* Chain noise (differential Rx gain) calib data */
940 struct iwl4965_chain_noise_data {
941 u8 state;
942 u16 beacon_count;
943 u32 chain_noise_a;
944 u32 chain_noise_b;
945 u32 chain_noise_c;
946 u32 chain_signal_a;
947 u32 chain_signal_b;
948 u32 chain_signal_c;
949 u8 disconn_array[NUM_RX_CHAINS];
950 u8 delta_gain_code[NUM_RX_CHAINS];
951 u8 radio_write;
952 };
953
954 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
955 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
956
957
958 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
959
960 enum {
961 MEASUREMENT_READY = (1 << 0),
962 MEASUREMENT_ACTIVE = (1 << 1),
963 };
964
965 #endif
966
967 struct iwl_priv {
968
969 /* ieee device used by generic ieee processing code */
970 struct ieee80211_hw *hw;
971 struct ieee80211_channel *ieee_channels;
972 struct ieee80211_rate *ieee_rates;
973 struct iwl_cfg *cfg;
974
975 /* temporary frame storage list */
976 struct list_head free_frames;
977 int frames_count;
978
979 enum ieee80211_band band;
980 int alloc_rxb_skb;
981 bool add_radiotap;
982
983 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
984 struct iwl4965_rx_mem_buffer *rxb);
985
986 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
987
988 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
989 /* spectrum measurement report caching */
990 struct iwl4965_spectrum_notification measure_report;
991 u8 measurement_status;
992 #endif
993 /* ucode beacon time */
994 u32 ucode_beacon_time;
995
996 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
997 * Access via channel # using indirect index array */
998 struct iwl4965_channel_info *channel_info; /* channel info array */
999 u8 channel_count; /* # of channels */
1000
1001 /* each calibration channel group in the EEPROM has a derived
1002 * clip setting for each rate. */
1003 const struct iwl4965_clip_group clip_groups[5];
1004
1005 /* thermal calibration */
1006 s32 temperature; /* degrees Kelvin */
1007 s32 last_temperature;
1008
1009 /* Scan related variables */
1010 unsigned long last_scan_jiffies;
1011 unsigned long next_scan_jiffies;
1012 unsigned long scan_start;
1013 unsigned long scan_pass_start;
1014 unsigned long scan_start_tsf;
1015 int scan_bands;
1016 int one_direct_scan;
1017 u8 direct_ssid_len;
1018 u8 direct_ssid[IW_ESSID_MAX_SIZE];
1019 struct iwl4965_scan_cmd *scan;
1020 u8 only_active_channel;
1021
1022 /* spinlock */
1023 spinlock_t lock; /* protect general shared data */
1024 spinlock_t hcmd_lock; /* protect hcmd */
1025 struct mutex mutex;
1026
1027 /* basic pci-network driver stuff */
1028 struct pci_dev *pci_dev;
1029
1030 /* pci hardware address support */
1031 void __iomem *hw_base;
1032
1033 /* uCode images, save to reload in case of failure */
1034 struct fw_desc ucode_code; /* runtime inst */
1035 struct fw_desc ucode_data; /* runtime data original */
1036 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1037 struct fw_desc ucode_init; /* initialization inst */
1038 struct fw_desc ucode_init_data; /* initialization data */
1039 struct fw_desc ucode_boot; /* bootstrap inst */
1040
1041
1042 struct iwl4965_rxon_time_cmd rxon_timing;
1043
1044 /* We declare this const so it can only be
1045 * changed via explicit cast within the
1046 * routines that actually update the physical
1047 * hardware */
1048 const struct iwl4965_rxon_cmd active_rxon;
1049 struct iwl4965_rxon_cmd staging_rxon;
1050
1051 int error_recovering;
1052 struct iwl4965_rxon_cmd recovery_rxon;
1053
1054 /* 1st responses from initialize and runtime uCode images.
1055 * 4965's initialize alive response contains some calibration data. */
1056 struct iwl4965_init_alive_resp card_alive_init;
1057 struct iwl4965_alive_resp card_alive;
1058
1059 #ifdef LED
1060 /* LED related variables */
1061 struct iwl4965_activity_blink activity;
1062 unsigned long led_packets;
1063 int led_state;
1064 #endif
1065
1066 u16 active_rate;
1067 u16 active_rate_basic;
1068
1069 u8 call_post_assoc_from_beacon;
1070 u8 assoc_station_added;
1071 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
1072 u8 valid_antenna; /* Bit mask of antennas actually connected */
1073 #ifdef CONFIG_IWL4965_SENSITIVITY
1074 struct iwl4965_sensitivity_data sensitivity_data;
1075 struct iwl4965_chain_noise_data chain_noise_data;
1076 u8 start_calib;
1077 __le16 sensitivity_tbl[HD_TABLE_SIZE];
1078 #endif /*CONFIG_IWL4965_SENSITIVITY*/
1079
1080 #ifdef CONFIG_IWL4965_HT
1081 struct iwl_ht_info current_ht_config;
1082 #endif
1083 u8 last_phy_res[100];
1084
1085 /* Rate scaling data */
1086 struct iwl4965_lq_mngr lq_mngr;
1087
1088 /* Rate scaling data */
1089 s8 data_retry_limit;
1090 u8 retry_rate;
1091
1092 wait_queue_head_t wait_command_queue;
1093
1094 int activity_timer_active;
1095
1096 /* Rx and Tx DMA processing queues */
1097 struct iwl4965_rx_queue rxq;
1098 struct iwl4965_tx_queue txq[IWL_MAX_NUM_QUEUES];
1099 unsigned long txq_ctx_active_msk;
1100 struct iwl4965_kw kw; /* keep warm address */
1101 u32 scd_base_addr; /* scheduler sram base address */
1102
1103 unsigned long status;
1104
1105 int last_rx_rssi; /* From Rx packet statisitics */
1106 int last_rx_noise; /* From beacon statistics */
1107
1108 /* counts mgmt, ctl, and data packets */
1109 struct traffic_stats {
1110 u32 cnt;
1111 u64 bytes;
1112 } tx_stats[3], rx_stats[3];
1113
1114 struct iwl4965_power_mgr power_data;
1115
1116 struct iwl4965_notif_statistics statistics;
1117 unsigned long last_statistics_time;
1118
1119 /* context information */
1120 u8 essid[IW_ESSID_MAX_SIZE];
1121 u8 essid_len;
1122 u16 rates_mask;
1123
1124 u32 power_mode;
1125 u32 antenna;
1126 u8 bssid[ETH_ALEN];
1127 u16 rts_threshold;
1128 u8 mac_addr[ETH_ALEN];
1129
1130 /*station table variables */
1131 spinlock_t sta_lock;
1132 int num_stations;
1133 struct iwl4965_station_entry stations[IWL_STATION_COUNT];
1134
1135 /* Indication if ieee80211_ops->open has been called */
1136 int is_open;
1137
1138 u8 mac80211_registered;
1139
1140 u32 notif_missed_beacons;
1141
1142 /* Rx'd packet timing information */
1143 u32 last_beacon_time;
1144 u64 last_tsf;
1145
1146 /* Duplicate packet detection */
1147 u16 last_seq_num;
1148 u16 last_frag_num;
1149 unsigned long last_packet_time;
1150
1151 /* Hash table for finding stations in IBSS network */
1152 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1153
1154 /* eeprom */
1155 struct iwl4965_eeprom eeprom;
1156
1157 int iw_mode;
1158
1159 struct sk_buff *ibss_beacon;
1160
1161 /* Last Rx'd beacon timestamp */
1162 u32 timestamp0;
1163 u32 timestamp1;
1164 u16 beacon_int;
1165 struct iwl4965_driver_hw_info hw_setting;
1166 struct ieee80211_vif *vif;
1167
1168 /* Current association information needed to configure the
1169 * hardware */
1170 u16 assoc_id;
1171 u16 assoc_capability;
1172 u8 ps_mode;
1173
1174 struct iwl4965_qos_info qos_data;
1175
1176 struct workqueue_struct *workqueue;
1177
1178 struct work_struct up;
1179 struct work_struct restart;
1180 struct work_struct calibrated_work;
1181 struct work_struct scan_completed;
1182 struct work_struct rx_replenish;
1183 struct work_struct rf_kill;
1184 struct work_struct abort_scan;
1185 struct work_struct update_link_led;
1186 struct work_struct auth_work;
1187 struct work_struct report_work;
1188 struct work_struct request_scan;
1189 struct work_struct beacon_update;
1190
1191 struct tasklet_struct irq_tasklet;
1192
1193 struct delayed_work init_alive_start;
1194 struct delayed_work alive_start;
1195 struct delayed_work activity_timer;
1196 struct delayed_work thermal_periodic;
1197 struct delayed_work gather_stats;
1198 struct delayed_work scan_check;
1199 struct delayed_work post_associate;
1200
1201 #define IWL_DEFAULT_TX_POWER 0x0F
1202 s8 user_txpower_limit;
1203 s8 max_channel_txpower_limit;
1204
1205 #ifdef CONFIG_PM
1206 u32 pm_state[16];
1207 #endif
1208
1209 #ifdef CONFIG_IWLWIFI_DEBUG
1210 /* debugging info */
1211 u32 framecnt_to_us;
1212 atomic_t restrict_refcnt;
1213 #ifdef CONFIG_IWLWIFI_DEBUGFS
1214 /* debugfs */
1215 struct iwl_debugfs *dbgfs;
1216 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1217 #endif /* CONFIG_IWLWIFI_DEBUG */
1218
1219 struct work_struct txpower_work;
1220 #ifdef CONFIG_IWL4965_SENSITIVITY
1221 struct work_struct sensitivity_work;
1222 #endif
1223 struct work_struct statistics_work;
1224 struct timer_list statistics_periodic;
1225 }; /*iwl_priv */
1226
1227 static inline int iwl4965_is_associated(struct iwl_priv *priv)
1228 {
1229 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1230 }
1231
1232 static inline int is_channel_valid(const struct iwl4965_channel_info *ch_info)
1233 {
1234 if (ch_info == NULL)
1235 return 0;
1236 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1237 }
1238
1239 static inline int is_channel_narrow(const struct iwl4965_channel_info *ch_info)
1240 {
1241 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
1242 }
1243
1244 static inline int is_channel_radar(const struct iwl4965_channel_info *ch_info)
1245 {
1246 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1247 }
1248
1249 static inline u8 is_channel_a_band(const struct iwl4965_channel_info *ch_info)
1250 {
1251 return ch_info->band == IEEE80211_BAND_5GHZ;
1252 }
1253
1254 static inline u8 is_channel_bg_band(const struct iwl4965_channel_info *ch_info)
1255 {
1256 return ch_info->band == IEEE80211_BAND_2GHZ;
1257 }
1258
1259 static inline int is_channel_passive(const struct iwl4965_channel_info *ch)
1260 {
1261 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1262 }
1263
1264 static inline int is_channel_ibss(const struct iwl4965_channel_info *ch)
1265 {
1266 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1267 }
1268
1269 extern const struct iwl4965_channel_info *iwl4965_get_channel_info(
1270 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1271
1272 /* Requires full declaration of iwl_priv before including */
1273 #include "iwl-4965-io.h"
1274
1275 #endif /* __iwl4965_4965_h__ */
Linus' kernel tree