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93df29e4689a65eba11bbe04b3a7c53ed278bf51
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-4965.h
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-rfkill.h"
44 #include "iwl-eeprom.h"
45 #include "iwl-4965-hw.h"
46 #include "iwl-csr.h"
47 #include "iwl-prph.h"
48 #include "iwl-debug.h"
49 #include "iwl-led.h"
50
51 /* Change firmware file name, using "-" and incrementing number,
52 * *only* when uCode interface or architecture changes so that it
53 * is not compatible with earlier drivers.
54 * This number will also appear in << 8 position of 1st dword of uCode file */
55 #define IWL4965_UCODE_API "-1"
56
57
58 /* Default noise level to report when noise measurement is not available.
59 * This may be because we're:
60 * 1) Not associated (4965, no beacon statistics being sent to driver)
61 * 2) Scanning (noise measurement does not apply to associated channel)
62 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
63 * Use default noise value of -127 ... this is below the range of measurable
64 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
65 * Also, -127 works better than 0 when averaging frames with/without
66 * noise info (e.g. averaging might be done in app); measured dBm values are
67 * always negative ... using a negative value as the default keeps all
68 * averages within an s8's (used in some apps) range of negative values. */
69 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
70
71 enum iwl4965_antenna {
72 IWL_ANTENNA_DIVERSITY,
73 IWL_ANTENNA_MAIN,
74 IWL_ANTENNA_AUX
75 };
76
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
94 struct iwl4965_rx_mem_buffer {
95 dma_addr_t dma_addr;
96 struct sk_buff *skb;
97 struct list_head list;
98 };
99
100 /*
101 * Generic queue structure
102 *
103 * Contains common data for Rx and Tx queues
104 */
105 struct iwl4965_queue {
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
120 /* One for each TFD */
121 struct iwl4965_tx_info {
122 struct ieee80211_tx_status status;
123 struct sk_buff *skb[MAX_NUM_OF_TBS];
124 };
125
126 /**
127 * struct iwl4965_tx_queue - Tx Queue for DMA
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
135 *
136 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
137 * descriptors) and required locking structures.
138 */
139 struct iwl4965_tx_queue {
140 struct iwl4965_queue q;
141 struct iwl4965_tfd_frame *bd;
142 struct iwl_cmd *cmd;
143 dma_addr_t dma_addr_cmd;
144 struct iwl4965_tx_info *txb;
145 int need_update;
146 int sched_retry;
147 int active;
148 };
149
150 #define IWL_NUM_SCAN_RATES (2)
151
152 struct iwl4965_channel_tgd_info {
153 u8 type;
154 s8 max_power;
155 };
156
157 struct iwl4965_channel_tgh_info {
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. */
168 struct iwl4965_channel_power_info {
169 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
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. */
177 struct iwl4965_scan_power_info {
178 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
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
183 /* For fat_extension_channel */
184 enum {
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
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
199 struct iwl_channel_info {
200 struct iwl4965_channel_tgd_info tgd;
201 struct iwl4965_channel_tgh_info tgh;
202 struct iwl4965_eeprom_channel eeprom; /* EEPROM regulatory limit */
203 struct iwl4965_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
204 * FAT channel */
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 */
209 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
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 */
215 enum ieee80211_band band;
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). */
220 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
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 */
228 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
229
230 /* Radio/DSP gain settings for each scan rate, for directed scans. */
231 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
232 };
233
234 struct iwl4965_clip_group {
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
255 struct iwl4965_power_vec_entry {
256 struct iwl4965_powertable_cmd cmd;
257 u8 no_dtim;
258 };
259 #define IWL_POWER_RANGE_0 (0)
260 #define IWL_POWER_RANGE_1 (1)
261
262 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
263 #define IWL_POWER_INDEX_3 0x03
264 #define IWL_POWER_INDEX_5 0x05
265 #define IWL_POWER_AC 0x06
266 #define IWL_POWER_BATTERY 0x07
267 #define IWL_POWER_LIMIT 0x07
268 #define IWL_POWER_MASK 0x0F
269 #define IWL_POWER_ENABLED 0x10
270 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
271
272 struct iwl4965_power_mgr {
273 spinlock_t lock;
274 struct iwl4965_power_vec_entry pwr_range_0[IWL_POWER_AC];
275 struct iwl4965_power_vec_entry pwr_range_1[IWL_POWER_AC];
276 u8 active_index;
277 u32 dtim_val;
278 };
279
280 #define IEEE80211_DATA_LEN 2304
281 #define IEEE80211_4ADDR_LEN 30
282 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
283 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
284
285 struct iwl4965_frame {
286 union {
287 struct ieee80211_hdr frame;
288 struct iwl4965_tx_beacon_cmd beacon;
289 u8 raw[IEEE80211_FRAME_LEN];
290 u8 cmd[360];
291 } u;
292 struct list_head list;
293 };
294
295 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
296 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
297 #define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
298 #define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
299 #define SEQ_HUGE_FRAME (0x4000)
300 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
301 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
302 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
303 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
304
305 enum {
306 /* CMD_SIZE_NORMAL = 0, */
307 CMD_SIZE_HUGE = (1 << 0),
308 /* CMD_SYNC = 0, */
309 CMD_ASYNC = (1 << 1),
310 /* CMD_NO_SKB = 0, */
311 CMD_WANT_SKB = (1 << 2),
312 };
313
314 struct iwl_cmd;
315 struct iwl_priv;
316
317 struct iwl_cmd_meta {
318 struct iwl_cmd_meta *source;
319 union {
320 struct sk_buff *skb;
321 int (*callback)(struct iwl_priv *priv,
322 struct iwl_cmd *cmd, struct sk_buff *skb);
323 } __attribute__ ((packed)) u;
324
325 /* The CMD_SIZE_HUGE flag bit indicates that the command
326 * structure is stored at the end of the shared queue memory. */
327 u32 flags;
328
329 } __attribute__ ((packed));
330
331 /**
332 * struct iwl_cmd
333 *
334 * For allocation of the command and tx queues, this establishes the overall
335 * size of the largest command we send to uCode, except for a scan command
336 * (which is relatively huge; space is allocated separately).
337 */
338 struct iwl_cmd {
339 struct iwl_cmd_meta meta; /* driver data */
340 struct iwl_cmd_header hdr; /* uCode API */
341 union {
342 struct iwl4965_addsta_cmd addsta;
343 struct iwl4965_led_cmd led;
344 u32 flags;
345 u8 val8;
346 u16 val16;
347 u32 val32;
348 struct iwl4965_bt_cmd bt;
349 struct iwl4965_rxon_time_cmd rxon_time;
350 struct iwl4965_powertable_cmd powertable;
351 struct iwl4965_qosparam_cmd qosparam;
352 struct iwl4965_tx_cmd tx;
353 struct iwl4965_tx_beacon_cmd tx_beacon;
354 struct iwl4965_rxon_assoc_cmd rxon_assoc;
355 u8 *indirect;
356 u8 payload[360];
357 } __attribute__ ((packed)) cmd;
358 } __attribute__ ((packed));
359
360 struct iwl_host_cmd {
361 u8 id;
362 u16 len;
363 struct iwl_cmd_meta meta;
364 const void *data;
365 };
366
367 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
368 sizeof(struct iwl_cmd_meta))
369
370 /*
371 * RX related structures and functions
372 */
373 #define RX_FREE_BUFFERS 64
374 #define RX_LOW_WATERMARK 8
375
376 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
377 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
378 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
379
380 /**
381 * struct iwl4965_rx_queue - Rx queue
382 * @processed: Internal index to last handled Rx packet
383 * @read: Shared index to newest available Rx buffer
384 * @write: Shared index to oldest written Rx packet
385 * @free_count: Number of pre-allocated buffers in rx_free
386 * @rx_free: list of free SKBs for use
387 * @rx_used: List of Rx buffers with no SKB
388 * @need_update: flag to indicate we need to update read/write index
389 *
390 * NOTE: rx_free and rx_used are used as a FIFO for iwl4965_rx_mem_buffers
391 */
392 struct iwl4965_rx_queue {
393 __le32 *bd;
394 dma_addr_t dma_addr;
395 struct iwl4965_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
396 struct iwl4965_rx_mem_buffer *queue[RX_QUEUE_SIZE];
397 u32 processed;
398 u32 read;
399 u32 write;
400 u32 free_count;
401 struct list_head rx_free;
402 struct list_head rx_used;
403 int need_update;
404 spinlock_t lock;
405 };
406
407 #define IWL_SUPPORTED_RATES_IE_LEN 8
408
409 #define SCAN_INTERVAL 100
410
411 #define MAX_A_CHANNELS 252
412 #define MIN_A_CHANNELS 7
413
414 #define MAX_B_CHANNELS 14
415 #define MIN_B_CHANNELS 1
416
417 #define MAX_TID_COUNT 9
418
419 #define IWL_INVALID_RATE 0xFF
420 #define IWL_INVALID_VALUE -1
421
422 #ifdef CONFIG_IWL4965_HT
423 /**
424 * struct iwl4965_ht_agg -- aggregation status while waiting for block-ack
425 * @txq_id: Tx queue used for Tx attempt
426 * @frame_count: # frames attempted by Tx command
427 * @wait_for_ba: Expect block-ack before next Tx reply
428 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
429 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
430 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
431 * @rate_n_flags: Rate at which Tx was attempted
432 *
433 * If REPLY_TX indicates that aggregation was attempted, driver must wait
434 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
435 * until block ack arrives.
436 */
437 struct iwl4965_ht_agg {
438 u16 txq_id;
439 u16 frame_count;
440 u16 wait_for_ba;
441 u16 start_idx;
442 u64 bitmap;
443 u32 rate_n_flags;
444 #define IWL_AGG_OFF 0
445 #define IWL_AGG_ON 1
446 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
447 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
448 u8 state;
449 };
450
451 #endif /* CONFIG_IWL4965_HT */
452
453 struct iwl4965_tid_data {
454 u16 seq_number;
455 u16 tfds_in_queue;
456 #ifdef CONFIG_IWL4965_HT
457 struct iwl4965_ht_agg agg;
458 #endif /* CONFIG_IWL4965_HT */
459 };
460
461 struct iwl4965_hw_key {
462 enum ieee80211_key_alg alg;
463 int keylen;
464 struct ieee80211_key_conf *conf;
465 u8 key[32];
466 };
467
468 union iwl4965_ht_rate_supp {
469 u16 rates;
470 struct {
471 u8 siso_rate;
472 u8 mimo_rate;
473 };
474 };
475
476 #ifdef CONFIG_IWL4965_HT
477 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
478 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
479 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
480
481 struct iwl_ht_info {
482 /* self configuration data */
483 u8 is_ht;
484 u8 supported_chan_width;
485 u16 tx_mimo_ps_mode;
486 u8 is_green_field;
487 u8 sgf; /* HT_SHORT_GI_* short guard interval */
488 u8 max_amsdu_size;
489 u8 ampdu_factor;
490 u8 mpdu_density;
491 u8 supp_mcs_set[16];
492 /* BSS related data */
493 u8 control_channel;
494 u8 extension_chan_offset;
495 u8 tx_chan_width;
496 u8 ht_protection;
497 u8 non_GF_STA_present;
498 };
499 #endif /*CONFIG_IWL4965_HT */
500
501 union iwl4965_qos_capabity {
502 struct {
503 u8 edca_count:4; /* bit 0-3 */
504 u8 q_ack:1; /* bit 4 */
505 u8 queue_request:1; /* bit 5 */
506 u8 txop_request:1; /* bit 6 */
507 u8 reserved:1; /* bit 7 */
508 } q_AP;
509 struct {
510 u8 acvo_APSD:1; /* bit 0 */
511 u8 acvi_APSD:1; /* bit 1 */
512 u8 ac_bk_APSD:1; /* bit 2 */
513 u8 ac_be_APSD:1; /* bit 3 */
514 u8 q_ack:1; /* bit 4 */
515 u8 max_len:2; /* bit 5-6 */
516 u8 more_data_ack:1; /* bit 7 */
517 } q_STA;
518 u8 val;
519 };
520
521 /* QoS structures */
522 struct iwl4965_qos_info {
523 int qos_enable;
524 int qos_active;
525 union iwl4965_qos_capabity qos_cap;
526 struct iwl4965_qosparam_cmd def_qos_parm;
527 };
528
529 #define STA_PS_STATUS_WAKE 0
530 #define STA_PS_STATUS_SLEEP 1
531
532 struct iwl4965_station_entry {
533 struct iwl4965_addsta_cmd sta;
534 struct iwl4965_tid_data tid[MAX_TID_COUNT];
535 u8 used;
536 u8 ps_status;
537 struct iwl4965_hw_key keyinfo;
538 };
539
540 /* one for each uCode image (inst/data, boot/init/runtime) */
541 struct fw_desc {
542 void *v_addr; /* access by driver */
543 dma_addr_t p_addr; /* access by card's busmaster DMA */
544 u32 len; /* bytes */
545 };
546
547 /* uCode file layout */
548 struct iwl4965_ucode {
549 __le32 ver; /* major/minor/subminor */
550 __le32 inst_size; /* bytes of runtime instructions */
551 __le32 data_size; /* bytes of runtime data */
552 __le32 init_size; /* bytes of initialization instructions */
553 __le32 init_data_size; /* bytes of initialization data */
554 __le32 boot_size; /* bytes of bootstrap instructions */
555 u8 data[0]; /* data in same order as "size" elements */
556 };
557
558 #define IWL_IBSS_MAC_HASH_SIZE 32
559
560 struct iwl4965_ibss_seq {
561 u8 mac[ETH_ALEN];
562 u16 seq_num;
563 u16 frag_num;
564 unsigned long packet_time;
565 struct list_head list;
566 };
567
568 /**
569 * struct iwl4965_driver_hw_info
570 * @max_txq_num: Max # Tx queues supported
571 * @tx_cmd_len: Size of Tx command (but not including frame itself)
572 * @tx_ant_num: Number of TX antennas
573 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
574 * @rx_buffer_size:
575 * @max_rxq_log: Log-base-2 of max_rxq_size
576 * @max_stations:
577 * @bcast_sta_id:
578 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
579 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
580 */
581 struct iwl4965_driver_hw_info {
582 u16 max_txq_num;
583 u16 tx_cmd_len;
584 u16 tx_ant_num;
585 u16 max_rxq_size;
586 u32 rx_buf_size;
587 u32 max_pkt_size;
588 u16 max_rxq_log;
589 u8 max_stations;
590 u8 bcast_sta_id;
591 void *shared_virt;
592 dma_addr_t shared_phys;
593 };
594
595 #define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
596 #define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
597
598
599 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
600 x->u.rx_frame.stats.payload + \
601 x->u.rx_frame.stats.phy_count))
602 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
603 IWL_RX_HDR(x)->payload + \
604 le16_to_cpu(IWL_RX_HDR(x)->len)))
605 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
606 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
607
608
609 /******************************************************************************
610 *
611 * Functions implemented in iwl-base.c which are forward declared here
612 * for use by iwl-*.c
613 *
614 *****************************************************************************/
615 struct iwl4965_addsta_cmd;
616 extern int iwl4965_send_add_station(struct iwl_priv *priv,
617 struct iwl4965_addsta_cmd *sta, u8 flags);
618 extern u8 iwl4965_add_station_flags(struct iwl_priv *priv, const u8 *addr,
619 int is_ap, u8 flags, void *ht_data);
620 extern int iwl4965_is_network_packet(struct iwl_priv *priv,
621 struct ieee80211_hdr *header);
622 extern int iwl4965_power_init_handle(struct iwl_priv *priv);
623 extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv,
624 struct iwl4965_rx_mem_buffer *rxb,
625 void *data, short len,
626 struct ieee80211_rx_status *stats,
627 u16 phy_flags);
628 extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv,
629 struct ieee80211_hdr *header);
630 extern int iwl4965_rx_queue_alloc(struct iwl_priv *priv);
631 extern void iwl4965_rx_queue_reset(struct iwl_priv *priv,
632 struct iwl4965_rx_queue *rxq);
633 extern int iwl4965_calc_db_from_ratio(int sig_ratio);
634 extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
635 extern int iwl4965_tx_queue_init(struct iwl_priv *priv,
636 struct iwl4965_tx_queue *txq, int count, u32 id);
637 extern void iwl4965_rx_replenish(void *data);
638 extern void iwl4965_tx_queue_free(struct iwl_priv *priv, struct iwl4965_tx_queue *txq);
639 extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
640 struct ieee80211_hdr *hdr,
641 const u8 *dest, int left);
642 extern int iwl4965_rx_queue_update_write_ptr(struct iwl_priv *priv,
643 struct iwl4965_rx_queue *q);
644 extern int iwl4965_send_statistics_request(struct iwl_priv *priv);
645 extern void iwl4965_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb,
646 u32 decrypt_res,
647 struct ieee80211_rx_status *stats);
648 extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
649 int iwl4965_init_geos(struct iwl_priv *priv);
650 void iwl4965_free_geos(struct iwl_priv *priv);
651
652 extern const u8 iwl4965_broadcast_addr[ETH_ALEN];
653 int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
654
655 /*
656 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
657 * call this... todo... fix that.
658 */
659 extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id,
660 u16 tx_rate, u8 flags);
661
662 /******************************************************************************
663 *
664 * Functions implemented in iwl-[34]*.c which are forward declared here
665 * for use by iwl-base.c
666 *
667 * NOTE: The implementation of these functions are hardware specific
668 * which is why they are in the hardware specific files (vs. iwl-base.c)
669 *
670 * Naming convention --
671 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
672 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
673 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
674 * iwl4965_bg_ <-- Called from work queue context
675 * iwl4965_mac_ <-- mac80211 callback
676 *
677 ****************************************************************************/
678 extern void iwl4965_hw_rx_handler_setup(struct iwl_priv *priv);
679 extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
680 extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
681 extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv);
682 extern int iwl4965_hw_set_hw_setting(struct iwl_priv *priv);
683 extern int iwl4965_hw_nic_init(struct iwl_priv *priv);
684 extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv);
685 extern void iwl4965_hw_txq_ctx_free(struct iwl_priv *priv);
686 extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv);
687 extern int iwl4965_hw_nic_reset(struct iwl_priv *priv);
688 extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
689 dma_addr_t addr, u16 len);
690 extern int iwl4965_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl4965_tx_queue *txq);
691 extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
692 extern int iwl4965_hw_tx_queue_init(struct iwl_priv *priv,
693 struct iwl4965_tx_queue *txq);
694 extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
695 struct iwl4965_frame *frame, u8 rate);
696 extern int iwl4965_hw_get_rx_read(struct iwl_priv *priv);
697 extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
698 struct iwl_cmd *cmd,
699 struct ieee80211_tx_control *ctrl,
700 struct ieee80211_hdr *hdr,
701 int sta_id, int tx_id);
702 extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
703 extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
704 extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
705 struct iwl4965_rx_mem_buffer *rxb);
706 extern void iwl4965_disable_events(struct iwl_priv *priv);
707 extern int iwl4965_get_temperature(const struct iwl_priv *priv);
708
709 /**
710 * iwl4965_hw_find_station - Find station id for a given BSSID
711 * @bssid: MAC address of station ID to find
712 *
713 * NOTE: This should not be hardware specific but the code has
714 * not yet been merged into a single common layer for managing the
715 * station tables.
716 */
717 extern u8 iwl4965_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
718
719 extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
720 extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
721 extern int iwl4965_queue_space(const struct iwl4965_queue *q);
722 struct iwl_priv;
723
724 extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio);
725 /*
726 * Forward declare iwl-4965.c functions for iwl-base.c
727 */
728 extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
729 struct iwl4965_tx_queue *txq,
730 u16 byte_cnt);
731 extern void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr,
732 int is_ap);
733 extern void iwl4965_set_rxon_chain(struct iwl_priv *priv);
734 extern int iwl4965_alive_notify(struct iwl_priv *priv);
735 extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
736 extern void iwl4965_chain_noise_reset(struct iwl_priv *priv);
737 extern void iwl4965_init_sensitivity(struct iwl_priv *priv, u8 flags,
738 u8 force);
739 extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
740 extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
741 u32 rate_n_flags,
742 struct ieee80211_tx_control *control);
743
744 #ifdef CONFIG_IWL4965_HT
745 void iwl4965_init_ht_hw_capab(struct iwl_priv *priv,
746 struct ieee80211_ht_info *ht_info,
747 enum ieee80211_band band);
748 void iwl4965_set_rxon_ht(struct iwl_priv *priv,
749 struct iwl_ht_info *ht_info);
750 void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index,
751 struct ieee80211_ht_info *sta_ht_inf);
752 int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
753 enum ieee80211_ampdu_mlme_action action,
754 const u8 *addr, u16 tid, u16 *ssn);
755 int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
756 u8 tid, int txq_id);
757 #else
758 static inline void iwl4965_init_ht_hw_capab(struct iwl_priv *priv,
759 struct ieee80211_ht_info *ht_info,
760 enum ieee80211_band band) {}
761
762 #endif /*CONFIG_IWL4965_HT */
763 /* Structures, enum, and defines specific to the 4965 */
764
765 #define IWL4965_KW_SIZE 0x1000 /*4k */
766
767 struct iwl4965_kw {
768 dma_addr_t dma_addr;
769 void *v_addr;
770 size_t size;
771 };
772
773 #define IWL_CHANNEL_WIDTH_20MHZ 0
774 #define IWL_CHANNEL_WIDTH_40MHZ 1
775
776 #define IWL_MIMO_PS_STATIC 0
777 #define IWL_MIMO_PS_NONE 3
778 #define IWL_MIMO_PS_DYNAMIC 1
779 #define IWL_MIMO_PS_INVALID 2
780
781 #define IWL_OPERATION_MODE_AUTO 0
782 #define IWL_OPERATION_MODE_HT_ONLY 1
783 #define IWL_OPERATION_MODE_MIXED 2
784 #define IWL_OPERATION_MODE_20MHZ 3
785
786 #define IWL_EXT_CHANNEL_OFFSET_NONE 0
787 #define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
788 #define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2
789 #define IWL_EXT_CHANNEL_OFFSET_BELOW 3
790
791 #define NRG_NUM_PREV_STAT_L 20
792 #define NUM_RX_CHAINS (3)
793
794 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
795
796 struct iwl4965_lq_mngr {
797 spinlock_t lock;
798 s32 max_window_size;
799 s32 *expected_tpt;
800 u8 *next_higher_rate;
801 u8 *next_lower_rate;
802 unsigned long stamp;
803 unsigned long stamp_last;
804 u32 flush_time;
805 u32 tx_packets;
806 u8 lq_ready;
807 };
808
809 /* Sensitivity and chain noise calibration */
810 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
811 #define INITIALIZATION_VALUE 0xFFFF
812 #define CAL_NUM_OF_BEACONS 20
813 #define MAXIMUM_ALLOWED_PATHLOSS 15
814
815 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
816
817 #define MAX_FA_OFDM 50
818 #define MIN_FA_OFDM 5
819 #define MAX_FA_CCK 50
820 #define MIN_FA_CCK 5
821
822 #define NRG_MIN_CCK 97
823 #define NRG_MAX_CCK 0
824
825 #define AUTO_CORR_MIN_OFDM 85
826 #define AUTO_CORR_MIN_OFDM_MRC 170
827 #define AUTO_CORR_MIN_OFDM_X1 105
828 #define AUTO_CORR_MIN_OFDM_MRC_X1 220
829 #define AUTO_CORR_MAX_OFDM 120
830 #define AUTO_CORR_MAX_OFDM_MRC 210
831 #define AUTO_CORR_MAX_OFDM_X1 140
832 #define AUTO_CORR_MAX_OFDM_MRC_X1 270
833 #define AUTO_CORR_STEP_OFDM 1
834
835 #define AUTO_CORR_MIN_CCK (125)
836 #define AUTO_CORR_MAX_CCK (200)
837 #define AUTO_CORR_MIN_CCK_MRC 200
838 #define AUTO_CORR_MAX_CCK_MRC 400
839 #define AUTO_CORR_STEP_CCK 3
840 #define AUTO_CORR_MAX_TH_CCK 160
841
842 #define NRG_DIFF 2
843 #define NRG_STEP_CCK 2
844 #define NRG_MARGIN 8
845 #define MAX_NUMBER_CCK_NO_FA 100
846
847 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
848
849 #define CHAIN_A 0
850 #define CHAIN_B 1
851 #define CHAIN_C 2
852 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
853 #define ALL_BAND_FILTER 0xFF00
854 #define IN_BAND_FILTER 0xFF
855 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
856
857 enum iwl4965_false_alarm_state {
858 IWL_FA_TOO_MANY = 0,
859 IWL_FA_TOO_FEW = 1,
860 IWL_FA_GOOD_RANGE = 2,
861 };
862
863 enum iwl4965_chain_noise_state {
864 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
865 IWL_CHAIN_NOISE_ACCUMULATE = 1,
866 IWL_CHAIN_NOISE_CALIBRATED = 2,
867 };
868
869 enum iwl4965_sensitivity_state {
870 IWL_SENS_CALIB_ALLOWED = 0,
871 IWL_SENS_CALIB_NEED_REINIT = 1,
872 };
873
874 enum iwl4965_calib_enabled_state {
875 IWL_CALIB_DISABLED = 0, /* must be 0 */
876 IWL_CALIB_ENABLED = 1,
877 };
878
879 struct statistics_general_data {
880 u32 beacon_silence_rssi_a;
881 u32 beacon_silence_rssi_b;
882 u32 beacon_silence_rssi_c;
883 u32 beacon_energy_a;
884 u32 beacon_energy_b;
885 u32 beacon_energy_c;
886 };
887
888 /* Sensitivity calib data */
889 struct iwl4965_sensitivity_data {
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;
913
914 u8 state;
915 };
916
917 /* Chain noise (differential Rx gain) calib data */
918 struct iwl4965_chain_noise_data {
919 u8 state;
920 u16 beacon_count;
921 u32 chain_noise_a;
922 u32 chain_noise_b;
923 u32 chain_noise_c;
924 u32 chain_signal_a;
925 u32 chain_signal_b;
926 u32 chain_signal_c;
927 u8 disconn_array[NUM_RX_CHAINS];
928 u8 delta_gain_code[NUM_RX_CHAINS];
929 u8 radio_write;
930 };
931
932 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
933 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
934
935
936 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
937
938 enum {
939 MEASUREMENT_READY = (1 << 0),
940 MEASUREMENT_ACTIVE = (1 << 1),
941 };
942
943 #endif
944
945 struct iwl_priv {
946
947 /* ieee device used by generic ieee processing code */
948 struct ieee80211_hw *hw;
949 struct ieee80211_channel *ieee_channels;
950 struct ieee80211_rate *ieee_rates;
951 struct iwl_cfg *cfg;
952
953 /* temporary frame storage list */
954 struct list_head free_frames;
955 int frames_count;
956
957 enum ieee80211_band band;
958 int alloc_rxb_skb;
959 bool add_radiotap;
960
961 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
962 struct iwl4965_rx_mem_buffer *rxb);
963
964 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
965
966 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
967 /* spectrum measurement report caching */
968 struct iwl4965_spectrum_notification measure_report;
969 u8 measurement_status;
970 #endif
971 /* ucode beacon time */
972 u32 ucode_beacon_time;
973
974 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
975 * Access via channel # using indirect index array */
976 struct iwl_channel_info *channel_info; /* channel info array */
977 u8 channel_count; /* # of channels */
978
979 /* each calibration channel group in the EEPROM has a derived
980 * clip setting for each rate. */
981 const struct iwl4965_clip_group clip_groups[5];
982
983 /* thermal calibration */
984 s32 temperature; /* degrees Kelvin */
985 s32 last_temperature;
986
987 /* Scan related variables */
988 unsigned long last_scan_jiffies;
989 unsigned long next_scan_jiffies;
990 unsigned long scan_start;
991 unsigned long scan_pass_start;
992 unsigned long scan_start_tsf;
993 int scan_bands;
994 int one_direct_scan;
995 u8 direct_ssid_len;
996 u8 direct_ssid[IW_ESSID_MAX_SIZE];
997 struct iwl4965_scan_cmd *scan;
998 u8 only_active_channel;
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;
1010
1011 /* uCode images, save to reload in case of failure */
1012 struct fw_desc ucode_code; /* runtime inst */
1013 struct fw_desc ucode_data; /* runtime data original */
1014 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1015 struct fw_desc ucode_init; /* initialization inst */
1016 struct fw_desc ucode_init_data; /* initialization data */
1017 struct fw_desc ucode_boot; /* bootstrap inst */
1018
1019
1020 struct iwl4965_rxon_time_cmd rxon_timing;
1021
1022 /* We declare this const so it can only be
1023 * changed via explicit cast within the
1024 * routines that actually update the physical
1025 * hardware */
1026 const struct iwl4965_rxon_cmd active_rxon;
1027 struct iwl4965_rxon_cmd staging_rxon;
1028
1029 int error_recovering;
1030 struct iwl4965_rxon_cmd recovery_rxon;
1031
1032 /* 1st responses from initialize and runtime uCode images.
1033 * 4965's initialize alive response contains some calibration data. */
1034 struct iwl4965_init_alive_resp card_alive_init;
1035 struct iwl4965_alive_resp card_alive;
1036 #ifdef CONFIG_IWLCORE_RFKILL
1037 struct iwl_rfkill_mngr rfkill_mngr;
1038 #endif
1039
1040 #ifdef CONFIG_IWLWIFI_LEDS
1041 struct iwl4965_led led[IWL_LED_TRG_MAX];
1042 unsigned long last_blink_time;
1043 u8 last_blink_rate;
1044 u8 allow_blinking;
1045 u64 led_tpt;
1046 #endif
1047
1048 u16 active_rate;
1049 u16 active_rate_basic;
1050
1051 u8 assoc_station_added;
1052 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
1053 u8 valid_antenna; /* Bit mask of antennas actually connected */
1054 #ifdef CONFIG_IWL4965_SENSITIVITY
1055 struct iwl4965_sensitivity_data sensitivity_data;
1056 struct iwl4965_chain_noise_data chain_noise_data;
1057 u8 start_calib;
1058 __le16 sensitivity_tbl[HD_TABLE_SIZE];
1059 #endif /*CONFIG_IWL4965_SENSITIVITY*/
1060
1061 #ifdef CONFIG_IWL4965_HT
1062 struct iwl_ht_info current_ht_config;
1063 #endif
1064 u8 last_phy_res[100];
1065
1066 /* Rate scaling data */
1067 struct iwl4965_lq_mngr lq_mngr;
1068
1069 /* Rate scaling data */
1070 s8 data_retry_limit;
1071 u8 retry_rate;
1072
1073 wait_queue_head_t wait_command_queue;
1074
1075 int activity_timer_active;
1076
1077 /* Rx and Tx DMA processing queues */
1078 struct iwl4965_rx_queue rxq;
1079 struct iwl4965_tx_queue txq[IWL_MAX_NUM_QUEUES];
1080 unsigned long txq_ctx_active_msk;
1081 struct iwl4965_kw kw; /* keep warm address */
1082 u32 scd_base_addr; /* scheduler sram base address */
1083
1084 unsigned long status;
1085
1086 int last_rx_rssi; /* From Rx packet statisitics */
1087 int last_rx_noise; /* From beacon statistics */
1088
1089 /* counts mgmt, ctl, and data packets */
1090 struct traffic_stats {
1091 u32 cnt;
1092 u64 bytes;
1093 } tx_stats[3], rx_stats[3];
1094
1095 struct iwl4965_power_mgr power_data;
1096
1097 struct iwl4965_notif_statistics statistics;
1098 unsigned long last_statistics_time;
1099
1100 /* context information */
1101 u8 essid[IW_ESSID_MAX_SIZE];
1102 u8 essid_len;
1103 u16 rates_mask;
1104
1105 u32 power_mode;
1106 u32 antenna;
1107 u8 bssid[ETH_ALEN];
1108 u16 rts_threshold;
1109 u8 mac_addr[ETH_ALEN];
1110
1111 /*station table variables */
1112 spinlock_t sta_lock;
1113 int num_stations;
1114 struct iwl4965_station_entry stations[IWL_STATION_COUNT];
1115 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1116 u8 default_wep_key;
1117 u8 key_mapping_key;
1118
1119 /* Indication if ieee80211_ops->open has been called */
1120 u8 is_open;
1121
1122 u8 mac80211_registered;
1123
1124 u32 notif_missed_beacons;
1125
1126 /* Rx'd packet timing information */
1127 u32 last_beacon_time;
1128 u64 last_tsf;
1129
1130 /* Duplicate packet detection */
1131 u16 last_seq_num;
1132 u16 last_frag_num;
1133 unsigned long last_packet_time;
1134
1135 /* Hash table for finding stations in IBSS network */
1136 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1137
1138 /* eeprom */
1139 struct iwl4965_eeprom eeprom;
1140
1141 enum ieee80211_if_types iw_mode;
1142
1143 struct sk_buff *ibss_beacon;
1144
1145 /* Last Rx'd beacon timestamp */
1146 u64 timestamp;
1147 u16 beacon_int;
1148 struct iwl4965_driver_hw_info hw_setting;
1149 struct ieee80211_vif *vif;
1150
1151 /* Current association information needed to configure the
1152 * hardware */
1153 u16 assoc_id;
1154 u16 assoc_capability;
1155 u8 ps_mode;
1156
1157 struct iwl4965_qos_info qos_data;
1158
1159 struct workqueue_struct *workqueue;
1160
1161 struct work_struct up;
1162 struct work_struct restart;
1163 struct work_struct calibrated_work;
1164 struct work_struct scan_completed;
1165 struct work_struct rx_replenish;
1166 struct work_struct rf_kill;
1167 struct work_struct abort_scan;
1168 struct work_struct update_link_led;
1169 struct work_struct auth_work;
1170 struct work_struct report_work;
1171 struct work_struct request_scan;
1172 struct work_struct beacon_update;
1173
1174 struct tasklet_struct irq_tasklet;
1175
1176 struct delayed_work init_alive_start;
1177 struct delayed_work alive_start;
1178 struct delayed_work activity_timer;
1179 struct delayed_work thermal_periodic;
1180 struct delayed_work gather_stats;
1181 struct delayed_work scan_check;
1182 struct delayed_work post_associate;
1183
1184 #define IWL_DEFAULT_TX_POWER 0x0F
1185 s8 user_txpower_limit;
1186 s8 max_channel_txpower_limit;
1187
1188 #ifdef CONFIG_PM
1189 u32 pm_state[16];
1190 #endif
1191
1192 #ifdef CONFIG_IWLWIFI_DEBUG
1193 /* debugging info */
1194 u32 framecnt_to_us;
1195 atomic_t restrict_refcnt;
1196 #ifdef CONFIG_IWLWIFI_DEBUGFS
1197 /* debugfs */
1198 struct iwl_debugfs *dbgfs;
1199 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1200 #endif /* CONFIG_IWLWIFI_DEBUG */
1201
1202 struct work_struct txpower_work;
1203 #ifdef CONFIG_IWL4965_SENSITIVITY
1204 struct work_struct sensitivity_work;
1205 #endif
1206 struct work_struct statistics_work;
1207 struct timer_list statistics_periodic;
1208 }; /*iwl_priv */
1209
1210 static inline int iwl_is_associated(struct iwl_priv *priv)
1211 {
1212 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1213 }
1214
1215 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1216 {
1217 if (ch_info == NULL)
1218 return 0;
1219 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1220 }
1221
1222 static inline int is_channel_narrow(const struct iwl_channel_info *ch_info)
1223 {
1224 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
1225 }
1226
1227 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1228 {
1229 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1230 }
1231
1232 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1233 {
1234 return ch_info->band == IEEE80211_BAND_5GHZ;
1235 }
1236
1237 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1238 {
1239 return ch_info->band == IEEE80211_BAND_2GHZ;
1240 }
1241
1242 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1243 {
1244 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1245 }
1246
1247 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1248 {
1249 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1250 }
1251
1252 extern const struct iwl_channel_info *iwl_get_channel_info(
1253 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1254
1255 /* Requires full declaration of iwl_priv before including */
1256
1257 #endif /* __iwl4965_4965_h__ */
Linux kernel - Deliverables
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