projects / deliverable / linux.git / blob
? search:


802f1a12b1aa9dcf986019265c876144d6626d04
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-dev.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-dev.h) for driver implementation definitions.
28 * Please use iwl-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 #define DRV_NAME "iwl4965"
40 #include "iwl-rfkill.h"
41 #include "iwl-eeprom.h"
42 #include "iwl-4965-hw.h"
43 #include "iwl-csr.h"
44 #include "iwl-prph.h"
45 #include "iwl-debug.h"
46 #include "iwl-led.h"
47 #include "iwl-power.h"
48
49 /* configuration for the iwl4965 */
50 extern struct iwl_cfg iwl4965_agn_cfg;
51 extern struct iwl_cfg iwl5300_agn_cfg;
52 extern struct iwl_cfg iwl5100_agn_cfg;
53 extern struct iwl_cfg iwl5350_agn_cfg;
54
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
61 /* CT-KILL constants */
62 #define CT_KILL_THRESHOLD 110 /* in Celsius */
63
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
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 iwl_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 iwl_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 iwl_tx_info {
122 struct sk_buff *skb[MAX_NUM_OF_TBS];
123 };
124
125 /**
126 * struct iwl_tx_queue - Tx Queue for DMA
127 * @q: generic Rx/Tx queue descriptor
128 * @bd: base of circular buffer of TFDs
129 * @cmd: array of command/Tx buffers
130 * @dma_addr_cmd: physical address of cmd/tx buffer array
131 * @txb: array of per-TFD driver data
132 * @need_update: indicates need to update read/write index
133 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
134 *
135 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
136 * descriptors) and required locking structures.
137 */
138 struct iwl_tx_queue {
139 struct iwl_queue q;
140 struct iwl_tfd_frame *bd;
141 struct iwl_cmd *cmd;
142 dma_addr_t dma_addr_cmd;
143 struct iwl_tx_info *txb;
144 int need_update;
145 int sched_retry;
146 int active;
147 };
148
149 #define IWL_NUM_SCAN_RATES (2)
150
151 struct iwl4965_channel_tgd_info {
152 u8 type;
153 s8 max_power;
154 };
155
156 struct iwl4965_channel_tgh_info {
157 s64 last_radar_time;
158 };
159
160 /* current Tx power values to use, one for each rate for each channel.
161 * requested power is limited by:
162 * -- regulatory EEPROM limits for this channel
163 * -- hardware capabilities (clip-powers)
164 * -- spectrum management
165 * -- user preference (e.g. iwconfig)
166 * when requested power is set, base power index must also be set. */
167 struct iwl4965_channel_power_info {
168 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
169 s8 power_table_index; /* actual (compenst'd) index into gain table */
170 s8 base_power_index; /* gain index for power at factory temp. */
171 s8 requested_power; /* power (dBm) requested for this chnl/rate */
172 };
173
174 /* current scan Tx power values to use, one for each scan rate for each
175 * channel. */
176 struct iwl4965_scan_power_info {
177 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
178 s8 power_table_index; /* actual (compenst'd) index into gain table */
179 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
180 };
181
182 /* For fat_extension_channel */
183 enum {
184 HT_IE_EXT_CHANNEL_NONE = 0,
185 HT_IE_EXT_CHANNEL_ABOVE,
186 HT_IE_EXT_CHANNEL_INVALID,
187 HT_IE_EXT_CHANNEL_BELOW,
188 HT_IE_EXT_CHANNEL_MAX
189 };
190
191 /*
192 * One for each channel, holds all channel setup data
193 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
194 * with one another!
195 */
196 #define IWL4965_MAX_RATE (33)
197
198 struct iwl_channel_info {
199 struct iwl4965_channel_tgd_info tgd;
200 struct iwl4965_channel_tgh_info tgh;
201 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
202 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
203 * FAT channel */
204
205 u8 channel; /* channel number */
206 u8 flags; /* flags copied from EEPROM */
207 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
208 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
209 s8 min_power; /* always 0 */
210 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
211
212 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
213 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
214 enum ieee80211_band band;
215
216 /* Radio/DSP gain settings for each "normal" data Tx rate.
217 * These include, in addition to RF and DSP gain, a few fields for
218 * remembering/modifying gain settings (indexes). */
219 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
220
221 /* FAT channel info */
222 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
223 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
224 s8 fat_min_power; /* always 0 */
225 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
226 u8 fat_flags; /* flags copied from EEPROM */
227 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
228
229 /* Radio/DSP gain settings for each scan rate, for directed scans. */
230 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
231 };
232
233 struct iwl4965_clip_group {
234 /* maximum power level to prevent clipping for each rate, derived by
235 * us from this band's saturation power in EEPROM */
236 const s8 clip_powers[IWL_MAX_RATES];
237 };
238
239 #include "iwl-4965-rs.h"
240
241 #define IWL_TX_FIFO_AC0 0
242 #define IWL_TX_FIFO_AC1 1
243 #define IWL_TX_FIFO_AC2 2
244 #define IWL_TX_FIFO_AC3 3
245 #define IWL_TX_FIFO_HCCA_1 5
246 #define IWL_TX_FIFO_HCCA_2 6
247 #define IWL_TX_FIFO_NONE 7
248
249 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
250 #define IWL_MIN_NUM_QUEUES 4
251
252 /* Power management (not Tx power) structures */
253
254 enum iwl_pwr_src {
255 IWL_PWR_SRC_VMAIN,
256 IWL_PWR_SRC_VAUX,
257 };
258
259 #define IEEE80211_DATA_LEN 2304
260 #define IEEE80211_4ADDR_LEN 30
261 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
262 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
263
264 struct iwl_frame {
265 union {
266 struct ieee80211_hdr frame;
267 struct iwl4965_tx_beacon_cmd beacon;
268 u8 raw[IEEE80211_FRAME_LEN];
269 u8 cmd[360];
270 } u;
271 struct list_head list;
272 };
273
274 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
275 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
276 #define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
277 #define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
278 #define SEQ_HUGE_FRAME (0x4000)
279 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
280 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
281 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
282 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
283
284 enum {
285 /* CMD_SIZE_NORMAL = 0, */
286 CMD_SIZE_HUGE = (1 << 0),
287 /* CMD_SYNC = 0, */
288 CMD_ASYNC = (1 << 1),
289 /* CMD_NO_SKB = 0, */
290 CMD_WANT_SKB = (1 << 2),
291 };
292
293 struct iwl_cmd;
294 struct iwl_priv;
295
296 struct iwl_cmd_meta {
297 struct iwl_cmd_meta *source;
298 union {
299 struct sk_buff *skb;
300 int (*callback)(struct iwl_priv *priv,
301 struct iwl_cmd *cmd, struct sk_buff *skb);
302 } __attribute__ ((packed)) u;
303
304 /* The CMD_SIZE_HUGE flag bit indicates that the command
305 * structure is stored at the end of the shared queue memory. */
306 u32 flags;
307
308 } __attribute__ ((packed));
309
310 #define IWL_CMD_MAX_PAYLOAD 320
311
312 /**
313 * struct iwl_cmd
314 *
315 * For allocation of the command and tx queues, this establishes the overall
316 * size of the largest command we send to uCode, except for a scan command
317 * (which is relatively huge; space is allocated separately).
318 */
319 struct iwl_cmd {
320 struct iwl_cmd_meta meta; /* driver data */
321 struct iwl_cmd_header hdr; /* uCode API */
322 union {
323 struct iwl_addsta_cmd addsta;
324 struct iwl4965_led_cmd led;
325 u32 flags;
326 u8 val8;
327 u16 val16;
328 u32 val32;
329 struct iwl4965_bt_cmd bt;
330 struct iwl4965_rxon_time_cmd rxon_time;
331 struct iwl4965_powertable_cmd powertable;
332 struct iwl4965_qosparam_cmd qosparam;
333 struct iwl_tx_cmd tx;
334 struct iwl4965_tx_beacon_cmd tx_beacon;
335 struct iwl4965_rxon_assoc_cmd rxon_assoc;
336 struct iwl_rem_sta_cmd rm_sta;
337 u8 *indirect;
338 u8 payload[IWL_CMD_MAX_PAYLOAD];
339 } __attribute__ ((packed)) cmd;
340 } __attribute__ ((packed));
341
342 struct iwl_host_cmd {
343 u8 id;
344 u16 len;
345 struct iwl_cmd_meta meta;
346 const void *data;
347 };
348
349 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
350 sizeof(struct iwl_cmd_meta))
351
352 /*
353 * RX related structures and functions
354 */
355 #define RX_FREE_BUFFERS 64
356 #define RX_LOW_WATERMARK 8
357
358 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
359 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
360 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
361
362 /**
363 * struct iwl_rx_queue - Rx queue
364 * @processed: Internal index to last handled Rx packet
365 * @read: Shared index to newest available Rx buffer
366 * @write: Shared index to oldest written Rx packet
367 * @free_count: Number of pre-allocated buffers in rx_free
368 * @rx_free: list of free SKBs for use
369 * @rx_used: List of Rx buffers with no SKB
370 * @need_update: flag to indicate we need to update read/write index
371 *
372 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
373 */
374 struct iwl_rx_queue {
375 __le32 *bd;
376 dma_addr_t dma_addr;
377 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
378 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
379 u32 processed;
380 u32 read;
381 u32 write;
382 u32 free_count;
383 struct list_head rx_free;
384 struct list_head rx_used;
385 int need_update;
386 spinlock_t lock;
387 };
388
389 #define IWL_SUPPORTED_RATES_IE_LEN 8
390
391 #define SCAN_INTERVAL 100
392
393 #define MAX_A_CHANNELS 252
394 #define MIN_A_CHANNELS 7
395
396 #define MAX_B_CHANNELS 14
397 #define MIN_B_CHANNELS 1
398
399 #define MAX_TID_COUNT 9
400
401 #define IWL_INVALID_RATE 0xFF
402 #define IWL_INVALID_VALUE -1
403
404 #ifdef CONFIG_IWL4965_HT
405 /**
406 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
407 * @txq_id: Tx queue used for Tx attempt
408 * @frame_count: # frames attempted by Tx command
409 * @wait_for_ba: Expect block-ack before next Tx reply
410 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
411 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
412 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
413 * @rate_n_flags: Rate at which Tx was attempted
414 *
415 * If REPLY_TX indicates that aggregation was attempted, driver must wait
416 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
417 * until block ack arrives.
418 */
419 struct iwl_ht_agg {
420 u16 txq_id;
421 u16 frame_count;
422 u16 wait_for_ba;
423 u16 start_idx;
424 u64 bitmap;
425 u32 rate_n_flags;
426 #define IWL_AGG_OFF 0
427 #define IWL_AGG_ON 1
428 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
429 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
430 u8 state;
431 };
432
433 #endif /* CONFIG_IWL4965_HT */
434
435 struct iwl_tid_data {
436 u16 seq_number;
437 u16 tfds_in_queue;
438 #ifdef CONFIG_IWL4965_HT
439 struct iwl_ht_agg agg;
440 #endif /* CONFIG_IWL4965_HT */
441 };
442
443 struct iwl_hw_key {
444 enum ieee80211_key_alg alg;
445 int keylen;
446 u8 keyidx;
447 u8 key[32];
448 };
449
450 union iwl4965_ht_rate_supp {
451 u16 rates;
452 struct {
453 u8 siso_rate;
454 u8 mimo_rate;
455 };
456 };
457
458 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
459 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
460 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
461
462 struct iwl_ht_info {
463 /* self configuration data */
464 u8 is_ht;
465 u8 supported_chan_width;
466 u16 tx_mimo_ps_mode;
467 u8 is_green_field;
468 u8 sgf; /* HT_SHORT_GI_* short guard interval */
469 u8 max_amsdu_size;
470 u8 ampdu_factor;
471 u8 mpdu_density;
472 u8 supp_mcs_set[16];
473 /* BSS related data */
474 u8 control_channel;
475 u8 extension_chan_offset;
476 u8 tx_chan_width;
477 u8 ht_protection;
478 u8 non_GF_STA_present;
479 };
480
481 union iwl4965_qos_capabity {
482 struct {
483 u8 edca_count:4; /* bit 0-3 */
484 u8 q_ack:1; /* bit 4 */
485 u8 queue_request:1; /* bit 5 */
486 u8 txop_request:1; /* bit 6 */
487 u8 reserved:1; /* bit 7 */
488 } q_AP;
489 struct {
490 u8 acvo_APSD:1; /* bit 0 */
491 u8 acvi_APSD:1; /* bit 1 */
492 u8 ac_bk_APSD:1; /* bit 2 */
493 u8 ac_be_APSD:1; /* bit 3 */
494 u8 q_ack:1; /* bit 4 */
495 u8 max_len:2; /* bit 5-6 */
496 u8 more_data_ack:1; /* bit 7 */
497 } q_STA;
498 u8 val;
499 };
500
501 /* QoS structures */
502 struct iwl4965_qos_info {
503 int qos_enable;
504 int qos_active;
505 union iwl4965_qos_capabity qos_cap;
506 struct iwl4965_qosparam_cmd def_qos_parm;
507 };
508
509 #define STA_PS_STATUS_WAKE 0
510 #define STA_PS_STATUS_SLEEP 1
511
512 struct iwl_station_entry {
513 struct iwl_addsta_cmd sta;
514 struct iwl_tid_data tid[MAX_TID_COUNT];
515 u8 used;
516 u8 ps_status;
517 struct iwl_hw_key keyinfo;
518 };
519
520 /* one for each uCode image (inst/data, boot/init/runtime) */
521 struct fw_desc {
522 void *v_addr; /* access by driver */
523 dma_addr_t p_addr; /* access by card's busmaster DMA */
524 u32 len; /* bytes */
525 };
526
527 /* uCode file layout */
528 struct iwl4965_ucode {
529 __le32 ver; /* major/minor/subminor */
530 __le32 inst_size; /* bytes of runtime instructions */
531 __le32 data_size; /* bytes of runtime data */
532 __le32 init_size; /* bytes of initialization instructions */
533 __le32 init_data_size; /* bytes of initialization data */
534 __le32 boot_size; /* bytes of bootstrap instructions */
535 u8 data[0]; /* data in same order as "size" elements */
536 };
537
538 #define IWL_IBSS_MAC_HASH_SIZE 32
539
540 struct iwl4965_ibss_seq {
541 u8 mac[ETH_ALEN];
542 u16 seq_num;
543 u16 frag_num;
544 unsigned long packet_time;
545 struct list_head list;
546 };
547
548 struct iwl_sensitivity_ranges {
549 u16 min_nrg_cck;
550 u16 max_nrg_cck;
551
552 u16 nrg_th_cck;
553 u16 nrg_th_ofdm;
554
555 u16 auto_corr_min_ofdm;
556 u16 auto_corr_min_ofdm_mrc;
557 u16 auto_corr_min_ofdm_x1;
558 u16 auto_corr_min_ofdm_mrc_x1;
559
560 u16 auto_corr_max_ofdm;
561 u16 auto_corr_max_ofdm_mrc;
562 u16 auto_corr_max_ofdm_x1;
563 u16 auto_corr_max_ofdm_mrc_x1;
564
565 u16 auto_corr_max_cck;
566 u16 auto_corr_max_cck_mrc;
567 u16 auto_corr_min_cck;
568 u16 auto_corr_min_cck_mrc;
569 };
570
571
572 #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
573
574 /**
575 * struct iwl_hw_params
576 * @max_txq_num: Max # Tx queues supported
577 * @tx/rx_chains_num: Number of TX/RX chains
578 * @valid_tx/rx_ant: usable antennas
579 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
580 * @max_rxq_log: Log-base-2 of max_rxq_size
581 * @rx_buf_size: Rx buffer size
582 * @max_stations:
583 * @bcast_sta_id:
584 * @fat_channel: is 40MHz width possible in band 2.4
585 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
586 * @sw_crypto: 0 for hw, 1 for sw
587 * @max_xxx_size: for ucode uses
588 * @ct_kill_threshold: temperature threshold
589 * @struct iwl_sensitivity_ranges: range of sensitivity values
590 */
591 struct iwl_hw_params {
592 u16 max_txq_num;
593 u8 tx_chains_num;
594 u8 rx_chains_num;
595 u8 valid_tx_ant;
596 u8 valid_rx_ant;
597 u16 max_rxq_size;
598 u16 max_rxq_log;
599 u32 rx_buf_size;
600 u32 max_pkt_size;
601 u8 max_stations;
602 u8 bcast_sta_id;
603 u8 fat_channel;
604 u8 sw_crypto;
605 u32 max_inst_size;
606 u32 max_data_size;
607 u32 max_bsm_size;
608 u32 ct_kill_threshold; /* value in hw-dependent units */
609 #ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
610 const struct iwl_sensitivity_ranges *sens;
611 #endif
612 };
613
614 #define HT_SHORT_GI_20MHZ (1 << 0)
615 #define HT_SHORT_GI_40MHZ (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 iwl_addsta_cmd;
635 extern int iwl_send_add_sta(struct iwl_priv *priv,
636 struct iwl_addsta_cmd *sta, u8 flags);
637 u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
638 u8 flags, struct ieee80211_ht_info *ht_info);
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 iwl_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_calc_db_from_ratio(int sig_ratio);
650 extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
651 extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
652 struct ieee80211_hdr *hdr,
653 const u8 *dest, int left);
654 extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
655 int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
656
657 int iwl4965_init_geos(struct iwl_priv *priv);
658 void iwl4965_free_geos(struct iwl_priv *priv);
659
660 extern const u8 iwl_bcast_addr[ETH_ALEN];
661 int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
662
663 /*
664 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
665 * call this... todo... fix that.
666 */
667 extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id,
668 u16 tx_rate, u8 flags);
669
670 /******************************************************************************
671 *
672 * Functions implemented in iwl-[34]*.c which are forward declared here
673 * for use by iwl-base.c
674 *
675 * NOTE: The implementation of these functions are hardware specific
676 * which is why they are in the hardware specific files (vs. iwl-base.c)
677 *
678 * Naming convention --
679 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
680 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
681 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
682 * iwl4965_bg_ <-- Called from work queue context
683 * iwl4965_mac_ <-- mac80211 callback
684 *
685 ****************************************************************************/
686 extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
687 extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
688 extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv);
689 extern int iwl_rxq_stop(struct iwl_priv *priv);
690 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
691 extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
692 extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
693 struct iwl_frame *frame, u8 rate);
694 extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
695 struct iwl_cmd *cmd,
696 struct ieee80211_tx_info *info,
697 struct ieee80211_hdr *hdr,
698 int sta_id, int tx_id);
699 extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
700 extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
701 extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
702 struct iwl_rx_mem_buffer *rxb);
703 extern void iwl4965_disable_events(struct iwl_priv *priv);
704 extern int iwl4965_get_temperature(const struct iwl_priv *priv);
705 extern void iwl4965_rx_reply_rx(struct iwl_priv *priv,
706 struct iwl_rx_mem_buffer *rxb);
707
708 /**
709 * iwl_find_station - Find station id for a given BSSID
710 * @bssid: MAC address of station ID to find
711 *
712 * NOTE: This should not be hardware specific but the code has
713 * not yet been merged into a single common layer for managing the
714 * station tables.
715 */
716 extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid);
717
718 extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
719 extern int iwl_queue_space(const struct iwl_queue *q);
720 static 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
728 static 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
739 struct iwl_priv;
740
741 extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio);
742 /*
743 * Forward declare iwl-4965.c functions for iwl-base.c
744 */
745 extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
746 struct iwl_tx_queue *txq,
747 u16 byte_cnt);
748 extern int iwl4965_alive_notify(struct iwl_priv *priv);
749 extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
750 extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
751 extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
752 u32 rate_n_flags,
753 struct ieee80211_tx_info *info);
754
755 #ifdef CONFIG_IWL4965_HT
756 extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
757 struct ieee80211_ht_info *ht_info,
758 enum ieee80211_band band);
759 void iwl4965_set_rxon_ht(struct iwl_priv *priv,
760 struct iwl_ht_info *ht_info);
761 int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
762 enum ieee80211_ampdu_mlme_action action,
763 const u8 *addr, u16 tid, u16 *ssn);
764 int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
765 u8 tid, int txq_id);
766 #else
767 static inline void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
768 struct ieee80211_ht_info *ht_info,
769 enum ieee80211_band band) {}
770
771 #endif /*CONFIG_IWL4965_HT */
772 /* Structures, enum, and defines specific to the 4965 */
773
774 #define IWL_KW_SIZE 0x1000 /*4k */
775
776 struct iwl_kw {
777 dma_addr_t dma_addr;
778 void *v_addr;
779 size_t size;
780 };
781
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
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
799
800 #define IWL_TX_CRC_SIZE 4
801 #define IWL_TX_DELIMITER_SIZE 4
802
803 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
804
805 struct iwl4965_lq_mngr {
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
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
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
831 #define AUTO_CORR_STEP_OFDM 1
832
833 #define AUTO_CORR_STEP_CCK 3
834 #define AUTO_CORR_MAX_TH_CCK 160
835
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
851 #define NRG_NUM_PREV_STAT_L 20
852 #define NUM_RX_CHAINS 3
853
854 enum iwl4965_false_alarm_state {
855 IWL_FA_TOO_MANY = 0,
856 IWL_FA_TOO_FEW = 1,
857 IWL_FA_GOOD_RANGE = 2,
858 };
859
860 enum iwl4965_chain_noise_state {
861 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
862 IWL_CHAIN_NOISE_ACCUMULATE = 1,
863 IWL_CHAIN_NOISE_CALIBRATED = 2,
864 };
865
866 enum iwl4965_calib_enabled_state {
867 IWL_CALIB_DISABLED = 0, /* must be 0 */
868 IWL_CALIB_ENABLED = 1,
869 };
870
871 struct 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
880 struct iwl_calib_results {
881 void *tx_iq_res;
882 void *tx_iq_perd_res;
883 void *lo_res;
884 u32 tx_iq_res_len;
885 u32 tx_iq_perd_res_len;
886 u32 lo_res_len;
887 };
888
889 enum ucode_type {
890 UCODE_NONE = 0,
891 UCODE_INIT,
892 UCODE_RT
893 };
894
895 #ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
896 /* Sensitivity calib data */
897 struct iwl_sensitivity_data {
898 u32 auto_corr_ofdm;
899 u32 auto_corr_ofdm_mrc;
900 u32 auto_corr_ofdm_x1;
901 u32 auto_corr_ofdm_mrc_x1;
902 u32 auto_corr_cck;
903 u32 auto_corr_cck_mrc;
904
905 u32 last_bad_plcp_cnt_ofdm;
906 u32 last_fa_cnt_ofdm;
907 u32 last_bad_plcp_cnt_cck;
908 u32 last_fa_cnt_cck;
909
910 u32 nrg_curr_state;
911 u32 nrg_prev_state;
912 u32 nrg_value[10];
913 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
914 u32 nrg_silence_ref;
915 u32 nrg_energy_idx;
916 u32 nrg_silence_idx;
917 u32 nrg_th_cck;
918 s32 nrg_auto_corr_silence_diff;
919 u32 num_in_cck_no_fa;
920 u32 nrg_th_ofdm;
921 };
922
923 /* Chain noise (differential Rx gain) calib data */
924 struct iwl_chain_noise_data {
925 u8 state;
926 u16 beacon_count;
927 u32 chain_noise_a;
928 u32 chain_noise_b;
929 u32 chain_noise_c;
930 u32 chain_signal_a;
931 u32 chain_signal_b;
932 u32 chain_signal_c;
933 u8 disconn_array[NUM_RX_CHAINS];
934 u8 delta_gain_code[NUM_RX_CHAINS];
935 u8 radio_write;
936 };
937 #endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
938
939 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
940 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
941
942
943 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
944
945 enum {
946 MEASUREMENT_READY = (1 << 0),
947 MEASUREMENT_ACTIVE = (1 << 1),
948 };
949
950 #endif
951
952 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
953
954 struct iwl_priv {
955
956 /* ieee device used by generic ieee processing code */
957 struct ieee80211_hw *hw;
958 struct ieee80211_channel *ieee_channels;
959 struct ieee80211_rate *ieee_rates;
960 struct iwl_cfg *cfg;
961
962 /* temporary frame storage list */
963 struct list_head free_frames;
964 int frames_count;
965
966 enum ieee80211_band band;
967 int alloc_rxb_skb;
968 bool add_radiotap;
969
970 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
971 struct iwl_rx_mem_buffer *rxb);
972
973 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
974
975 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
976 /* spectrum measurement report caching */
977 struct iwl4965_spectrum_notification measure_report;
978 u8 measurement_status;
979 #endif
980 /* ucode beacon time */
981 u32 ucode_beacon_time;
982
983 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
984 * Access via channel # using indirect index array */
985 struct iwl_channel_info *channel_info; /* channel info array */
986 u8 channel_count; /* # of channels */
987
988 /* each calibration channel group in the EEPROM has a derived
989 * clip setting for each rate. */
990 const struct iwl4965_clip_group clip_groups[5];
991
992 /* thermal calibration */
993 s32 temperature; /* degrees Kelvin */
994 s32 last_temperature;
995
996 /* init calibration results */
997 struct iwl_calib_results calib_results;
998
999 /* Scan related variables */
1000 unsigned long last_scan_jiffies;
1001 unsigned long next_scan_jiffies;
1002 unsigned long scan_start;
1003 unsigned long scan_pass_start;
1004 unsigned long scan_start_tsf;
1005 int scan_bands;
1006 int one_direct_scan;
1007 u8 direct_ssid_len;
1008 u8 direct_ssid[IW_ESSID_MAX_SIZE];
1009 struct iwl4965_scan_cmd *scan;
1010
1011 /* spinlock */
1012 spinlock_t lock; /* protect general shared data */
1013 spinlock_t hcmd_lock; /* protect hcmd */
1014 struct mutex mutex;
1015
1016 /* basic pci-network driver stuff */
1017 struct pci_dev *pci_dev;
1018
1019 /* pci hardware address support */
1020 void __iomem *hw_base;
1021 u32 hw_rev;
1022 u32 hw_wa_rev;
1023 u8 rev_id;
1024
1025 /* uCode images, save to reload in case of failure */
1026 struct fw_desc ucode_code; /* runtime inst */
1027 struct fw_desc ucode_data; /* runtime data original */
1028 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1029 struct fw_desc ucode_init; /* initialization inst */
1030 struct fw_desc ucode_init_data; /* initialization data */
1031 struct fw_desc ucode_boot; /* bootstrap inst */
1032 enum ucode_type ucode_type;
1033 u8 ucode_write_complete; /* the image write is complete */
1034
1035
1036 struct iwl4965_rxon_time_cmd rxon_timing;
1037
1038 /* We declare this const so it can only be
1039 * changed via explicit cast within the
1040 * routines that actually update the physical
1041 * hardware */
1042 const struct iwl_rxon_cmd active_rxon;
1043 struct iwl_rxon_cmd staging_rxon;
1044
1045 int error_recovering;
1046 struct iwl_rxon_cmd recovery_rxon;
1047
1048 /* 1st responses from initialize and runtime uCode images.
1049 * 4965's initialize alive response contains some calibration data. */
1050 struct iwl_init_alive_resp card_alive_init;
1051 struct iwl_alive_resp card_alive;
1052 #ifdef CONFIG_IWLWIFI_RFKILL
1053 struct iwl_rfkill_mngr rfkill_mngr;
1054 #endif
1055
1056 #ifdef CONFIG_IWLWIFI_LEDS
1057 struct iwl4965_led led[IWL_LED_TRG_MAX];
1058 unsigned long last_blink_time;
1059 u8 last_blink_rate;
1060 u8 allow_blinking;
1061 u64 led_tpt;
1062 #endif
1063
1064 u16 active_rate;
1065 u16 active_rate_basic;
1066
1067 u8 assoc_station_added;
1068 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
1069 u8 start_calib;
1070 #ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1071 struct iwl_sensitivity_data sensitivity_data;
1072 struct iwl_chain_noise_data chain_noise_data;
1073 __le16 sensitivity_tbl[HD_TABLE_SIZE];
1074 #endif /*CONFIG_IWLWIFI_RUN_TIME_CALIB*/
1075
1076 #ifdef CONFIG_IWL4965_HT
1077 struct iwl_ht_info current_ht_config;
1078 #endif
1079 u8 last_phy_res[100];
1080
1081 /* Rate scaling data */
1082 struct iwl4965_lq_mngr lq_mngr;
1083
1084 /* Rate scaling data */
1085 s8 data_retry_limit;
1086 u8 retry_rate;
1087
1088 wait_queue_head_t wait_command_queue;
1089
1090 int activity_timer_active;
1091
1092 /* Rx and Tx DMA processing queues */
1093 struct iwl_rx_queue rxq;
1094 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
1095 unsigned long txq_ctx_active_msk;
1096 struct iwl_kw kw; /* keep warm address */
1097 u32 scd_base_addr; /* scheduler sram base address */
1098
1099 unsigned long status;
1100
1101 int last_rx_rssi; /* From Rx packet statisitics */
1102 int last_rx_noise; /* From beacon statistics */
1103
1104 /* counts mgmt, ctl, and data packets */
1105 struct traffic_stats {
1106 u32 cnt;
1107 u64 bytes;
1108 } tx_stats[3], rx_stats[3];
1109
1110 struct iwl_power_mgr power_data;
1111
1112 struct iwl4965_notif_statistics statistics;
1113 unsigned long last_statistics_time;
1114
1115 /* context information */
1116 u8 essid[IW_ESSID_MAX_SIZE];
1117 u8 essid_len;
1118 u16 rates_mask;
1119
1120 u32 power_mode;
1121 u32 antenna;
1122 u8 bssid[ETH_ALEN];
1123 u16 rts_threshold;
1124 u8 mac_addr[ETH_ALEN];
1125
1126 /*station table variables */
1127 spinlock_t sta_lock;
1128 int num_stations;
1129 struct iwl_station_entry stations[IWL_STATION_COUNT];
1130 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1131 u8 default_wep_key;
1132 u8 key_mapping_key;
1133 unsigned long ucode_key_table;
1134
1135 /* Indication if ieee80211_ops->open has been called */
1136 u8 is_open;
1137
1138 u8 mac80211_registered;
1139
1140 /* Rx'd packet timing information */
1141 u32 last_beacon_time;
1142 u64 last_tsf;
1143
1144 /* Duplicate packet detection */
1145 u16 last_seq_num;
1146 u16 last_frag_num;
1147 unsigned long last_packet_time;
1148
1149 /* Hash table for finding stations in IBSS network */
1150 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1151
1152 /* eeprom */
1153 u8 *eeprom;
1154 struct iwl_eeprom_calib_info *calib_info;
1155
1156 enum ieee80211_if_types iw_mode;
1157
1158 struct sk_buff *ibss_beacon;
1159
1160 /* Last Rx'd beacon timestamp */
1161 u64 timestamp;
1162 u16 beacon_int;
1163 struct ieee80211_vif *vif;
1164
1165 struct iwl_hw_params hw_params;
1166 /* driver/uCode shared Tx Byte Counts and Rx status */
1167 void *shared_virt;
1168 int rb_closed_offset;
1169 /* Physical Pointer to Tx Byte Counts and Rx status */
1170 dma_addr_t shared_phys;
1171
1172 /* Current association information needed to configure the
1173 * hardware */
1174 u16 assoc_id;
1175 u16 assoc_capability;
1176 u8 ps_mode;
1177
1178 struct iwl4965_qos_info qos_data;
1179
1180 struct workqueue_struct *workqueue;
1181
1182 struct work_struct up;
1183 struct work_struct restart;
1184 struct work_struct calibrated_work;
1185 struct work_struct scan_completed;
1186 struct work_struct rx_replenish;
1187 struct work_struct rf_kill;
1188 struct work_struct abort_scan;
1189 struct work_struct update_link_led;
1190 struct work_struct auth_work;
1191 struct work_struct report_work;
1192 struct work_struct request_scan;
1193 struct work_struct beacon_update;
1194 struct work_struct set_monitor;
1195
1196 struct tasklet_struct irq_tasklet;
1197
1198 struct delayed_work init_alive_start;
1199 struct delayed_work alive_start;
1200 struct delayed_work activity_timer;
1201 struct delayed_work thermal_periodic;
1202 struct delayed_work gather_stats;
1203 struct delayed_work scan_check;
1204 struct delayed_work post_associate;
1205
1206 #define IWL_DEFAULT_TX_POWER 0x0F
1207 s8 user_txpower_limit;
1208 s8 max_channel_txpower_limit;
1209
1210 #ifdef CONFIG_PM
1211 u32 pm_state[16];
1212 #endif
1213
1214 #ifdef CONFIG_IWLWIFI_DEBUG
1215 /* debugging info */
1216 u32 debug_level;
1217 u32 framecnt_to_us;
1218 atomic_t restrict_refcnt;
1219 #ifdef CONFIG_IWLWIFI_DEBUGFS
1220 /* debugfs */
1221 struct iwl_debugfs *dbgfs;
1222 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1223 #endif /* CONFIG_IWLWIFI_DEBUG */
1224
1225 struct work_struct txpower_work;
1226 #ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1227 u32 disable_sens_cal;
1228 u32 disable_chain_noise_cal;
1229 #endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
1230 #ifdef CONFIG_IWL4965_RUN_TIME_CALIB
1231 struct work_struct sensitivity_work;
1232 #endif /* CONFIG_IWL4965_RUN_TIME_CALIB */
1233 struct timer_list statistics_periodic;
1234 }; /*iwl_priv */
1235
1236 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1237 {
1238 set_bit(txq_id, &priv->txq_ctx_active_msk);
1239 }
1240
1241 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1242 {
1243 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1244 }
1245
1246 #ifdef CONFIG_IWLWIF_DEBUG
1247 const char *iwl_get_tx_fail_reason(u32 status);
1248 #else
1249 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1250 #endif
1251
1252
1253 #ifdef CONFIG_IWL4965_HT
1254 static inline int iwl_get_ra_sta_id(struct iwl_priv *priv,
1255 struct ieee80211_hdr *hdr)
1256 {
1257 if (priv->iw_mode == IEEE80211_IF_TYPE_STA) {
1258 return IWL_AP_ID;
1259 } else {
1260 u8 *da = ieee80211_get_DA(hdr);
1261 return iwl_find_station(priv, da);
1262 }
1263 }
1264
1265 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1266 int txq_id, int idx)
1267 {
1268 if (priv->txq[txq_id].txb[idx].skb[0])
1269 return (struct ieee80211_hdr *)priv->txq[txq_id].
1270 txb[idx].skb[0]->data;
1271 return NULL;
1272 }
1273 #endif
1274
1275
1276 static inline int iwl_is_associated(struct iwl_priv *priv)
1277 {
1278 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1279 }
1280
1281 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1282 {
1283 if (ch_info == NULL)
1284 return 0;
1285 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1286 }
1287
1288 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1289 {
1290 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1291 }
1292
1293 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1294 {
1295 return ch_info->band == IEEE80211_BAND_5GHZ;
1296 }
1297
1298 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1299 {
1300 return ch_info->band == IEEE80211_BAND_2GHZ;
1301 }
1302
1303 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1304 {
1305 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1306 }
1307
1308 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1309 {
1310 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1311 }
1312
1313 #ifdef CONFIG_IWLWIFI_DEBUG
1314 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1315 void *p, u32 len)
1316 {
1317 if (!(priv->debug_level & level))
1318 return;
1319
1320 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1321 p, len, 1);
1322 }
1323 #else
1324 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1325 void *p, u32 len)
1326 {
1327 }
1328 #endif
1329
1330 extern const struct iwl_channel_info *iwl_get_channel_info(
1331 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1332
1333 /* Requires full declaration of iwl_priv before including */
1334
1335 #endif /* __iwl4965_4965_h__ */
Linux kernel - Deliverables
This page took 0.059172 seconds and 5 git commands to generate.