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[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-3945.h
1 /******************************************************************************
2 *
3 * Copyright(c) 2003 - 2007 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 #ifndef __iwl_3945_h__
28 #define __iwl_3945_h__
29
30 #include <linux/pci.h> /* for struct pci_device_id */
31 #include <linux/kernel.h>
32 #include <net/ieee80211_radiotap.h>
33
34 struct iwl3945_priv;
35
36 /* Hardware specific file defines the PCI IDs table for that hardware module */
37 extern struct pci_device_id iwl3945_hw_card_ids[];
38
39 #define DRV_NAME "iwl3945"
40 #include "iwl-3945-hw.h"
41 #include "iwl-prph.h"
42 #include "iwl-3945-debug.h"
43
44 /* Default noise level to report when noise measurement is not available.
45 * This may be because we're:
46 * 1) Not associated (4965, no beacon statistics being sent to driver)
47 * 2) Scanning (noise measurement does not apply to associated channel)
48 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
49 * Use default noise value of -127 ... this is below the range of measurable
50 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
51 * Also, -127 works better than 0 when averaging frames with/without
52 * noise info (e.g. averaging might be done in app); measured dBm values are
53 * always negative ... using a negative value as the default keeps all
54 * averages within an s8's (used in some apps) range of negative values. */
55 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
56
57 /* Module parameters accessible from iwl-*.c */
58 extern int iwl3945_param_hwcrypto;
59 extern int iwl3945_param_queues_num;
60
61 enum iwl3945_antenna {
62 IWL_ANTENNA_DIVERSITY,
63 IWL_ANTENNA_MAIN,
64 IWL_ANTENNA_AUX
65 };
66
67 /*
68 * RTS threshold here is total size [2347] minus 4 FCS bytes
69 * Per spec:
70 * a value of 0 means RTS on all data/management packets
71 * a value > max MSDU size means no RTS
72 * else RTS for data/management frames where MPDU is larger
73 * than RTS value.
74 */
75 #define DEFAULT_RTS_THRESHOLD 2347U
76 #define MIN_RTS_THRESHOLD 0U
77 #define MAX_RTS_THRESHOLD 2347U
78 #define MAX_MSDU_SIZE 2304U
79 #define MAX_MPDU_SIZE 2346U
80 #define DEFAULT_BEACON_INTERVAL 100U
81 #define DEFAULT_SHORT_RETRY_LIMIT 7U
82 #define DEFAULT_LONG_RETRY_LIMIT 4U
83
84 struct iwl3945_rx_mem_buffer {
85 dma_addr_t dma_addr;
86 struct sk_buff *skb;
87 struct list_head list;
88 };
89
90 struct iwl3945_rt_rx_hdr {
91 struct ieee80211_radiotap_header rt_hdr;
92 __le64 rt_tsf; /* TSF */
93 u8 rt_flags; /* radiotap packet flags */
94 u8 rt_rate; /* rate in 500kb/s */
95 __le16 rt_channelMHz; /* channel in MHz */
96 __le16 rt_chbitmask; /* channel bitfield */
97 s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
98 s8 rt_dbmnoise;
99 u8 rt_antenna; /* antenna number */
100 u8 payload[0]; /* payload... */
101 } __attribute__ ((packed));
102
103 struct iwl3945_rt_tx_hdr {
104 struct ieee80211_radiotap_header rt_hdr;
105 u8 rt_rate; /* rate in 500kb/s */
106 __le16 rt_channel; /* channel in mHz */
107 __le16 rt_chbitmask; /* channel bitfield */
108 s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
109 u8 rt_antenna; /* antenna number */
110 u8 payload[0]; /* payload... */
111 } __attribute__ ((packed));
112
113 /*
114 * Generic queue structure
115 *
116 * Contains common data for Rx and Tx queues
117 */
118 struct iwl3945_queue {
119 int n_bd; /* number of BDs in this queue */
120 int write_ptr; /* 1-st empty entry (index) host_w*/
121 int read_ptr; /* last used entry (index) host_r*/
122 dma_addr_t dma_addr; /* physical addr for BD's */
123 int n_window; /* safe queue window */
124 u32 id;
125 int low_mark; /* low watermark, resume queue if free
126 * space more than this */
127 int high_mark; /* high watermark, stop queue if free
128 * space less than this */
129 } __attribute__ ((packed));
130
131 #define MAX_NUM_OF_TBS (20)
132
133 struct iwl3945_tx_info {
134 struct ieee80211_tx_status status;
135 struct sk_buff *skb[MAX_NUM_OF_TBS];
136 };
137
138 /**
139 * struct iwl3945_tx_queue - Tx Queue for DMA
140 * @need_update: need to update read/write index
141 * @shed_retry: queue is HT AGG enabled
142 *
143 * Queue consists of circular buffer of BD's and required locking structures.
144 */
145 struct iwl3945_tx_queue {
146 struct iwl3945_queue q;
147 struct iwl3945_tfd_frame *bd;
148 struct iwl3945_cmd *cmd;
149 dma_addr_t dma_addr_cmd;
150 struct iwl3945_tx_info *txb;
151 int need_update;
152 int sched_retry;
153 int active;
154 };
155
156 #define IWL_NUM_SCAN_RATES (2)
157
158 struct iwl3945_channel_tgd_info {
159 u8 type;
160 s8 max_power;
161 };
162
163 struct iwl3945_channel_tgh_info {
164 s64 last_radar_time;
165 };
166
167 /* current Tx power values to use, one for each rate for each channel.
168 * requested power is limited by:
169 * -- regulatory EEPROM limits for this channel
170 * -- hardware capabilities (clip-powers)
171 * -- spectrum management
172 * -- user preference (e.g. iwconfig)
173 * when requested power is set, base power index must also be set. */
174 struct iwl3945_channel_power_info {
175 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
176 s8 power_table_index; /* actual (compenst'd) index into gain table */
177 s8 base_power_index; /* gain index for power at factory temp. */
178 s8 requested_power; /* power (dBm) requested for this chnl/rate */
179 };
180
181 /* current scan Tx power values to use, one for each scan rate for each
182 * channel. */
183 struct iwl3945_scan_power_info {
184 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
185 s8 power_table_index; /* actual (compenst'd) index into gain table */
186 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
187 };
188
189 /* Channel unlock period is 15 seconds. If no beacon or probe response
190 * has been received within 15 seconds on a locked channel then the channel
191 * remains locked. */
192 #define TX_UNLOCK_PERIOD 15
193
194 /* CSA lock period is 15 seconds. If a CSA has been received on a channel in
195 * the last 15 seconds, the channel is locked */
196 #define CSA_LOCK_PERIOD 15
197 /*
198 * One for each channel, holds all channel setup data
199 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
200 * with one another!
201 */
202 #define IWL4965_MAX_RATE (33)
203
204 struct iwl3945_channel_info {
205 struct iwl3945_channel_tgd_info tgd;
206 struct iwl3945_channel_tgh_info tgh;
207 struct iwl3945_eeprom_channel eeprom; /* EEPROM regulatory limit */
208 struct iwl3945_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
209 * FAT channel */
210
211 u8 channel; /* channel number */
212 u8 flags; /* flags copied from EEPROM */
213 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
214 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
215 s8 min_power; /* always 0 */
216 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
217
218 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
219 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
220 u8 phymode; /* MODE_IEEE80211{A,B,G} */
221
222 /* Radio/DSP gain settings for each "normal" data Tx rate.
223 * These include, in addition to RF and DSP gain, a few fields for
224 * remembering/modifying gain settings (indexes). */
225 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
226
227 /* Radio/DSP gain settings for each scan rate, for directed scans. */
228 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
229 };
230
231 struct iwl3945_clip_group {
232 /* maximum power level to prevent clipping for each rate, derived by
233 * us from this band's saturation power in EEPROM */
234 const s8 clip_powers[IWL_MAX_RATES];
235 };
236
237 #include "iwl-3945-rs.h"
238
239 #define IWL_TX_FIFO_AC0 0
240 #define IWL_TX_FIFO_AC1 1
241 #define IWL_TX_FIFO_AC2 2
242 #define IWL_TX_FIFO_AC3 3
243 #define IWL_TX_FIFO_HCCA_1 5
244 #define IWL_TX_FIFO_HCCA_2 6
245 #define IWL_TX_FIFO_NONE 7
246
247 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
248 #define IWL_MIN_NUM_QUEUES 4
249
250 /* Power management (not Tx power) structures */
251
252 struct iwl3945_power_vec_entry {
253 struct iwl3945_powertable_cmd cmd;
254 u8 no_dtim;
255 };
256 #define IWL_POWER_RANGE_0 (0)
257 #define IWL_POWER_RANGE_1 (1)
258
259 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
260 #define IWL_POWER_INDEX_3 0x03
261 #define IWL_POWER_INDEX_5 0x05
262 #define IWL_POWER_AC 0x06
263 #define IWL_POWER_BATTERY 0x07
264 #define IWL_POWER_LIMIT 0x07
265 #define IWL_POWER_MASK 0x0F
266 #define IWL_POWER_ENABLED 0x10
267 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
268
269 struct iwl3945_power_mgr {
270 spinlock_t lock;
271 struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC];
272 struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC];
273 u8 active_index;
274 u32 dtim_val;
275 };
276
277 #define IEEE80211_DATA_LEN 2304
278 #define IEEE80211_4ADDR_LEN 30
279 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
280 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
281
282 struct iwl3945_frame {
283 union {
284 struct ieee80211_hdr frame;
285 struct iwl3945_tx_beacon_cmd beacon;
286 u8 raw[IEEE80211_FRAME_LEN];
287 u8 cmd[360];
288 } u;
289 struct list_head list;
290 };
291
292 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
293 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
294 #define SEQ_TO_INDEX(x) (x & 0xff)
295 #define INDEX_TO_SEQ(x) (x & 0xff)
296 #define SEQ_HUGE_FRAME (0x4000)
297 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
298 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
299 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
300 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
301
302 enum {
303 /* CMD_SIZE_NORMAL = 0, */
304 CMD_SIZE_HUGE = (1 << 0),
305 /* CMD_SYNC = 0, */
306 CMD_ASYNC = (1 << 1),
307 /* CMD_NO_SKB = 0, */
308 CMD_WANT_SKB = (1 << 2),
309 };
310
311 struct iwl3945_cmd;
312 struct iwl3945_priv;
313
314 struct iwl3945_cmd_meta {
315 struct iwl3945_cmd_meta *source;
316 union {
317 struct sk_buff *skb;
318 int (*callback)(struct iwl3945_priv *priv,
319 struct iwl3945_cmd *cmd, struct sk_buff *skb);
320 } __attribute__ ((packed)) u;
321
322 /* The CMD_SIZE_HUGE flag bit indicates that the command
323 * structure is stored at the end of the shared queue memory. */
324 u32 flags;
325
326 } __attribute__ ((packed));
327
328 struct iwl3945_cmd {
329 struct iwl3945_cmd_meta meta;
330 struct iwl3945_cmd_header hdr;
331 union {
332 struct iwl3945_addsta_cmd addsta;
333 struct iwl3945_led_cmd led;
334 u32 flags;
335 u8 val8;
336 u16 val16;
337 u32 val32;
338 struct iwl3945_bt_cmd bt;
339 struct iwl3945_rxon_time_cmd rxon_time;
340 struct iwl3945_powertable_cmd powertable;
341 struct iwl3945_qosparam_cmd qosparam;
342 struct iwl3945_tx_cmd tx;
343 struct iwl3945_tx_beacon_cmd tx_beacon;
344 struct iwl3945_rxon_assoc_cmd rxon_assoc;
345 u8 *indirect;
346 u8 payload[360];
347 } __attribute__ ((packed)) cmd;
348 } __attribute__ ((packed));
349
350 struct iwl3945_host_cmd {
351 u8 id;
352 u16 len;
353 struct iwl3945_cmd_meta meta;
354 const void *data;
355 };
356
357 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
358 sizeof(struct iwl3945_cmd_meta))
359
360 /*
361 * RX related structures and functions
362 */
363 #define RX_FREE_BUFFERS 64
364 #define RX_LOW_WATERMARK 8
365
366 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
367 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
368 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
369
370 /**
371 * struct iwl3945_rx_queue - Rx queue
372 * @processed: Internal index to last handled Rx packet
373 * @read: Shared index to newest available Rx buffer
374 * @write: Shared index to oldest written Rx packet
375 * @free_count: Number of pre-allocated buffers in rx_free
376 * @rx_free: list of free SKBs for use
377 * @rx_used: List of Rx buffers with no SKB
378 * @need_update: flag to indicate we need to update read/write index
379 *
380 * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
381 */
382 struct iwl3945_rx_queue {
383 __le32 *bd;
384 dma_addr_t dma_addr;
385 struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
386 struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE];
387 u32 processed;
388 u32 read;
389 u32 write;
390 u32 free_count;
391 struct list_head rx_free;
392 struct list_head rx_used;
393 int need_update;
394 spinlock_t lock;
395 };
396
397 #define IWL_SUPPORTED_RATES_IE_LEN 8
398
399 #define SCAN_INTERVAL 100
400
401 #define MAX_A_CHANNELS 252
402 #define MIN_A_CHANNELS 7
403
404 #define MAX_B_CHANNELS 14
405 #define MIN_B_CHANNELS 1
406
407 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
408 #define STATUS_INT_ENABLED 1
409 #define STATUS_RF_KILL_HW 2
410 #define STATUS_RF_KILL_SW 3
411 #define STATUS_INIT 4
412 #define STATUS_ALIVE 5
413 #define STATUS_READY 6
414 #define STATUS_TEMPERATURE 7
415 #define STATUS_GEO_CONFIGURED 8
416 #define STATUS_EXIT_PENDING 9
417 #define STATUS_IN_SUSPEND 10
418 #define STATUS_STATISTICS 11
419 #define STATUS_SCANNING 12
420 #define STATUS_SCAN_ABORTING 13
421 #define STATUS_SCAN_HW 14
422 #define STATUS_POWER_PMI 15
423 #define STATUS_FW_ERROR 16
424
425 #define MAX_TID_COUNT 9
426
427 #define IWL_INVALID_RATE 0xFF
428 #define IWL_INVALID_VALUE -1
429
430 struct iwl3945_tid_data {
431 u16 seq_number;
432 };
433
434 struct iwl3945_hw_key {
435 enum ieee80211_key_alg alg;
436 int keylen;
437 u8 key[32];
438 };
439
440 union iwl3945_ht_rate_supp {
441 u16 rates;
442 struct {
443 u8 siso_rate;
444 u8 mimo_rate;
445 };
446 };
447
448 #ifdef CONFIG_IWL3945_HT
449 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
450 #define HT_IE_MAX_AMSDU_SIZE_4K (0)
451 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
452 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
453
454 struct sta_ht_info {
455 u8 is_ht;
456 u16 rx_mimo_ps_mode;
457 u16 tx_mimo_ps_mode;
458 u16 control_channel;
459 u8 max_amsdu_size;
460 u8 ampdu_factor;
461 u8 mpdu_density;
462 u8 operating_mode;
463 u8 supported_chan_width;
464 u8 extension_chan_offset;
465 u8 is_green_field;
466 u8 sgf;
467 u8 supp_rates[16];
468 u8 tx_chan_width;
469 u8 chan_width_cap;
470 };
471 #endif /*CONFIG_IWL3945_HT */
472
473 #ifdef CONFIG_IWL3945_QOS
474
475 union iwl3945_qos_capabity {
476 struct {
477 u8 edca_count:4; /* bit 0-3 */
478 u8 q_ack:1; /* bit 4 */
479 u8 queue_request:1; /* bit 5 */
480 u8 txop_request:1; /* bit 6 */
481 u8 reserved:1; /* bit 7 */
482 } q_AP;
483 struct {
484 u8 acvo_APSD:1; /* bit 0 */
485 u8 acvi_APSD:1; /* bit 1 */
486 u8 ac_bk_APSD:1; /* bit 2 */
487 u8 ac_be_APSD:1; /* bit 3 */
488 u8 q_ack:1; /* bit 4 */
489 u8 max_len:2; /* bit 5-6 */
490 u8 more_data_ack:1; /* bit 7 */
491 } q_STA;
492 u8 val;
493 };
494
495 /* QoS structures */
496 struct iwl3945_qos_info {
497 int qos_enable;
498 int qos_active;
499 union iwl3945_qos_capabity qos_cap;
500 struct iwl3945_qosparam_cmd def_qos_parm;
501 };
502 #endif /*CONFIG_IWL3945_QOS */
503
504 #define STA_PS_STATUS_WAKE 0
505 #define STA_PS_STATUS_SLEEP 1
506
507 struct iwl3945_station_entry {
508 struct iwl3945_addsta_cmd sta;
509 struct iwl3945_tid_data tid[MAX_TID_COUNT];
510 union {
511 struct {
512 u8 rate;
513 u8 flags;
514 } s;
515 u16 rate_n_flags;
516 } current_rate;
517 u8 used;
518 u8 ps_status;
519 struct iwl3945_hw_key keyinfo;
520 };
521
522 /* one for each uCode image (inst/data, boot/init/runtime) */
523 struct fw_desc {
524 void *v_addr; /* access by driver */
525 dma_addr_t p_addr; /* access by card's busmaster DMA */
526 u32 len; /* bytes */
527 };
528
529 /* uCode file layout */
530 struct iwl3945_ucode {
531 __le32 ver; /* major/minor/subminor */
532 __le32 inst_size; /* bytes of runtime instructions */
533 __le32 data_size; /* bytes of runtime data */
534 __le32 init_size; /* bytes of initialization instructions */
535 __le32 init_data_size; /* bytes of initialization data */
536 __le32 boot_size; /* bytes of bootstrap instructions */
537 u8 data[0]; /* data in same order as "size" elements */
538 };
539
540 #define IWL_IBSS_MAC_HASH_SIZE 32
541
542 struct iwl3945_ibss_seq {
543 u8 mac[ETH_ALEN];
544 u16 seq_num;
545 u16 frag_num;
546 unsigned long packet_time;
547 struct list_head list;
548 };
549
550 struct iwl3945_driver_hw_info {
551 u16 max_txq_num;
552 u16 ac_queue_count;
553 u16 tx_cmd_len;
554 u16 max_rxq_size;
555 u32 rx_buffer_size;
556 u16 max_rxq_log;
557 u8 max_stations;
558 u8 bcast_sta_id;
559 void *shared_virt;
560 dma_addr_t shared_phys;
561 };
562
563
564 #define STA_FLG_RTS_MIMO_PROT_MSK __constant_cpu_to_le32(1 << 17)
565 #define STA_FLG_AGG_MPDU_8US_MSK __constant_cpu_to_le32(1 << 18)
566 #define STA_FLG_MAX_AGG_SIZE_POS (19)
567 #define STA_FLG_MAX_AGG_SIZE_MSK __constant_cpu_to_le32(3 << 19)
568 #define STA_FLG_FAT_EN_MSK __constant_cpu_to_le32(1 << 21)
569 #define STA_FLG_MIMO_DIS_MSK __constant_cpu_to_le32(1 << 22)
570 #define STA_FLG_AGG_MPDU_DENSITY_POS (23)
571 #define STA_FLG_AGG_MPDU_DENSITY_MSK __constant_cpu_to_le32(7 << 23)
572 #define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
573 #define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
574
575
576 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
577 x->u.rx_frame.stats.payload + \
578 x->u.rx_frame.stats.phy_count))
579 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
580 IWL_RX_HDR(x)->payload + \
581 le16_to_cpu(IWL_RX_HDR(x)->len)))
582 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
583 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
584
585
586 /******************************************************************************
587 *
588 * Functions implemented in iwl-base.c which are forward declared here
589 * for use by iwl-*.c
590 *
591 *****************************************************************************/
592 struct iwl3945_addsta_cmd;
593 extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
594 struct iwl3945_addsta_cmd *sta, u8 flags);
595 extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
596 int is_ap, u8 flags);
597 extern int iwl3945_is_network_packet(struct iwl3945_priv *priv,
598 struct ieee80211_hdr *header);
599 extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
600 extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
601 #ifdef CONFIG_IWL3945_DEBUG
602 extern void iwl3945_report_frame(struct iwl3945_priv *priv,
603 struct iwl3945_rx_packet *pkt,
604 struct ieee80211_hdr *header, int group100);
605 #else
606 static inline void iwl3945_report_frame(struct iwl3945_priv *priv,
607 struct iwl3945_rx_packet *pkt,
608 struct ieee80211_hdr *header,
609 int group100) {}
610 #endif
611 extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv,
612 struct iwl3945_rx_mem_buffer *rxb,
613 void *data, short len,
614 struct ieee80211_rx_status *stats,
615 u16 phy_flags);
616 extern int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv,
617 struct ieee80211_hdr *header);
618 extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv);
619 extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv,
620 struct iwl3945_rx_queue *rxq);
621 extern int iwl3945_calc_db_from_ratio(int sig_ratio);
622 extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
623 extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv,
624 struct iwl3945_tx_queue *txq, int count, u32 id);
625 extern void iwl3945_rx_replenish(void *data);
626 extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
627 extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len,
628 const void *data);
629 extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv,
630 struct iwl3945_host_cmd *cmd);
631 extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
632 struct ieee80211_hdr *hdr,
633 const u8 *dest, int left);
634 extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
635 struct iwl3945_rx_queue *q);
636 extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
637 extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
638 u32 decrypt_res,
639 struct ieee80211_rx_status *stats);
640 extern const u8 iwl3945_broadcast_addr[ETH_ALEN];
641
642 /*
643 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
644 * call this... todo... fix that.
645 */
646 extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id,
647 u16 tx_rate, u8 flags);
648
649 /******************************************************************************
650 *
651 * Functions implemented in iwl-[34]*.c which are forward declared here
652 * for use by iwl-base.c
653 *
654 * NOTE: The implementation of these functions are hardware specific
655 * which is why they are in the hardware specific files (vs. iwl-base.c)
656 *
657 * Naming convention --
658 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
659 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
660 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
661 * iwl3945_bg_ <-- Called from work queue context
662 * iwl3945_mac_ <-- mac80211 callback
663 *
664 ****************************************************************************/
665 extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv);
666 extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
667 extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
668 extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
669 extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
670 extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
671 extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
672 extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
673 extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
674 extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
675 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
676 dma_addr_t addr, u16 len);
677 extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
678 extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
679 extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
680 struct iwl3945_tx_queue *txq);
681 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
682 struct iwl3945_frame *frame, u8 rate);
683 extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
684 extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
685 struct iwl3945_cmd *cmd,
686 struct ieee80211_tx_control *ctrl,
687 struct ieee80211_hdr *hdr,
688 int sta_id, int tx_id);
689 extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
690 extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
691 extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
692 struct iwl3945_rx_mem_buffer *rxb);
693 extern void iwl3945_disable_events(struct iwl3945_priv *priv);
694 extern int iwl4965_get_temperature(const struct iwl3945_priv *priv);
695
696 /**
697 * iwl3945_hw_find_station - Find station id for a given BSSID
698 * @bssid: MAC address of station ID to find
699 *
700 * NOTE: This should not be hardware specific but the code has
701 * not yet been merged into a single common layer for managing the
702 * station tables.
703 */
704 extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid);
705
706 extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
707
708 /*
709 * Forward declare iwl-3945.c functions for iwl-base.c
710 */
711 extern int iwl3945_eeprom_acquire_semaphore(struct iwl3945_priv *priv);
712 extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
713 extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
714 extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
715 extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
716 extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
717 u16 tx_rate, u8 flags);
718
719
720 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
721
722 enum {
723 MEASUREMENT_READY = (1 << 0),
724 MEASUREMENT_ACTIVE = (1 << 1),
725 };
726
727 #endif
728
729 struct iwl3945_priv {
730
731 /* ieee device used by generic ieee processing code */
732 struct ieee80211_hw *hw;
733 struct ieee80211_channel *ieee_channels;
734 struct ieee80211_rate *ieee_rates;
735
736 /* temporary frame storage list */
737 struct list_head free_frames;
738 int frames_count;
739
740 u8 phymode;
741 int alloc_rxb_skb;
742
743 void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
744 struct iwl3945_rx_mem_buffer *rxb);
745
746 const struct ieee80211_hw_mode *modes;
747
748 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
749 /* spectrum measurement report caching */
750 struct iwl3945_spectrum_notification measure_report;
751 u8 measurement_status;
752 #endif
753 /* ucode beacon time */
754 u32 ucode_beacon_time;
755
756 /* we allocate array of iwl3945_channel_info for NIC's valid channels.
757 * Access via channel # using indirect index array */
758 struct iwl3945_channel_info *channel_info; /* channel info array */
759 u8 channel_count; /* # of channels */
760
761 /* each calibration channel group in the EEPROM has a derived
762 * clip setting for each rate. */
763 const struct iwl3945_clip_group clip_groups[5];
764
765 /* thermal calibration */
766 s32 temperature; /* degrees Kelvin */
767 s32 last_temperature;
768
769 /* Scan related variables */
770 unsigned long last_scan_jiffies;
771 unsigned long scan_start;
772 unsigned long scan_pass_start;
773 unsigned long scan_start_tsf;
774 int scan_bands;
775 int one_direct_scan;
776 u8 direct_ssid_len;
777 u8 direct_ssid[IW_ESSID_MAX_SIZE];
778 struct iwl3945_scan_cmd *scan;
779 u8 only_active_channel;
780
781 /* spinlock */
782 spinlock_t lock; /* protect general shared data */
783 spinlock_t hcmd_lock; /* protect hcmd */
784 struct mutex mutex;
785
786 /* basic pci-network driver stuff */
787 struct pci_dev *pci_dev;
788
789 /* pci hardware address support */
790 void __iomem *hw_base;
791
792 /* uCode images, save to reload in case of failure */
793 struct fw_desc ucode_code; /* runtime inst */
794 struct fw_desc ucode_data; /* runtime data original */
795 struct fw_desc ucode_data_backup; /* runtime data save/restore */
796 struct fw_desc ucode_init; /* initialization inst */
797 struct fw_desc ucode_init_data; /* initialization data */
798 struct fw_desc ucode_boot; /* bootstrap inst */
799
800
801 struct iwl3945_rxon_time_cmd rxon_timing;
802
803 /* We declare this const so it can only be
804 * changed via explicit cast within the
805 * routines that actually update the physical
806 * hardware */
807 const struct iwl3945_rxon_cmd active_rxon;
808 struct iwl3945_rxon_cmd staging_rxon;
809
810 int error_recovering;
811 struct iwl3945_rxon_cmd recovery_rxon;
812
813 /* 1st responses from initialize and runtime uCode images.
814 * 4965's initialize alive response contains some calibration data. */
815 struct iwl3945_init_alive_resp card_alive_init;
816 struct iwl3945_alive_resp card_alive;
817
818 #ifdef LED
819 /* LED related variables */
820 struct iwl3945_activity_blink activity;
821 unsigned long led_packets;
822 int led_state;
823 #endif
824
825 u16 active_rate;
826 u16 active_rate_basic;
827
828 u8 call_post_assoc_from_beacon;
829 u8 assoc_station_added;
830 /* Rate scaling data */
831 s8 data_retry_limit;
832 u8 retry_rate;
833
834 wait_queue_head_t wait_command_queue;
835
836 int activity_timer_active;
837
838 /* Rx and Tx DMA processing queues */
839 struct iwl3945_rx_queue rxq;
840 struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES];
841
842 unsigned long status;
843 u32 config;
844
845 int last_rx_rssi; /* From Rx packet statisitics */
846 int last_rx_noise; /* From beacon statistics */
847
848 struct iwl3945_power_mgr power_data;
849
850 struct iwl3945_notif_statistics statistics;
851 unsigned long last_statistics_time;
852
853 /* context information */
854 u8 essid[IW_ESSID_MAX_SIZE];
855 u8 essid_len;
856 u16 rates_mask;
857
858 u32 power_mode;
859 u32 antenna;
860 u8 bssid[ETH_ALEN];
861 u16 rts_threshold;
862 u8 mac_addr[ETH_ALEN];
863
864 /*station table variables */
865 spinlock_t sta_lock;
866 int num_stations;
867 struct iwl3945_station_entry stations[IWL_STATION_COUNT];
868
869 /* Indication if ieee80211_ops->open has been called */
870 int is_open;
871
872 u8 mac80211_registered;
873 int is_abg;
874
875 u32 notif_missed_beacons;
876
877 /* Rx'd packet timing information */
878 u32 last_beacon_time;
879 u64 last_tsf;
880
881 /* Duplicate packet detection */
882 u16 last_seq_num;
883 u16 last_frag_num;
884 unsigned long last_packet_time;
885 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
886
887 /* eeprom */
888 struct iwl3945_eeprom eeprom;
889
890 int iw_mode;
891
892 struct sk_buff *ibss_beacon;
893
894 /* Last Rx'd beacon timestamp */
895 u32 timestamp0;
896 u32 timestamp1;
897 u16 beacon_int;
898 struct iwl3945_driver_hw_info hw_setting;
899 int interface_id;
900
901 /* Current association information needed to configure the
902 * hardware */
903 u16 assoc_id;
904 u16 assoc_capability;
905 u8 ps_mode;
906
907 #ifdef CONFIG_IWL3945_QOS
908 struct iwl3945_qos_info qos_data;
909 #endif /*CONFIG_IWL3945_QOS */
910
911 struct workqueue_struct *workqueue;
912
913 struct work_struct up;
914 struct work_struct restart;
915 struct work_struct calibrated_work;
916 struct work_struct scan_completed;
917 struct work_struct rx_replenish;
918 struct work_struct rf_kill;
919 struct work_struct abort_scan;
920 struct work_struct update_link_led;
921 struct work_struct auth_work;
922 struct work_struct report_work;
923 struct work_struct request_scan;
924 struct work_struct beacon_update;
925
926 struct tasklet_struct irq_tasklet;
927
928 struct delayed_work init_alive_start;
929 struct delayed_work alive_start;
930 struct delayed_work activity_timer;
931 struct delayed_work thermal_periodic;
932 struct delayed_work gather_stats;
933 struct delayed_work scan_check;
934 struct delayed_work post_associate;
935
936 #define IWL_DEFAULT_TX_POWER 0x0F
937 s8 user_txpower_limit;
938 s8 max_channel_txpower_limit;
939
940 #ifdef CONFIG_PM
941 u32 pm_state[16];
942 #endif
943
944 #ifdef CONFIG_IWL3945_DEBUG
945 /* debugging info */
946 u32 framecnt_to_us;
947 atomic_t restrict_refcnt;
948 #endif
949 }; /*iwl3945_priv */
950
951 static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
952 {
953 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
954 }
955
956 static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
957 {
958 if (ch_info == NULL)
959 return 0;
960 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
961 }
962
963 static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info)
964 {
965 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
966 }
967
968 static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
969 {
970 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
971 }
972
973 static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info)
974 {
975 return ch_info->phymode == MODE_IEEE80211A;
976 }
977
978 static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info)
979 {
980 return ((ch_info->phymode == MODE_IEEE80211B) ||
981 (ch_info->phymode == MODE_IEEE80211G));
982 }
983
984 static inline int is_channel_passive(const struct iwl3945_channel_info *ch)
985 {
986 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
987 }
988
989 static inline int is_channel_ibss(const struct iwl3945_channel_info *ch)
990 {
991 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
992 }
993
994 extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
995 const struct iwl3945_priv *priv, int phymode, u16 channel);
996
997 /* Requires full declaration of iwl3945_priv before including */
998 #include "iwl-3945-io.h"
999
1000 #endif
Linux kernel - Deliverables
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