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iwlwifi: Move is_legacy() macro family from iwl-4965-hw.h to iwl-4965-rs.h
[mirror_ubuntu-jammy-kernel.git] / drivers / net / wireless / iwlwifi / iwl-3945.h
CommitLineData
b481de9c
ZY		 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
5d08cd1d
CH		 30#include <linux/pci.h> /* for struct pci_device_id */
31#include <linux/kernel.h>
32#include <net/ieee80211_radiotap.h>
33
bb8c093b 34struct iwl3945_priv;
5d08cd1d
CH		 35
36/* Hardware specific file defines the PCI IDs table for that hardware module */
bb8c093b 37extern struct pci_device_id iwl3945_hw_card_ids[];
5d08cd1d
CH		 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 */
bb8c093b
CH		 58extern int iwl3945_param_hwcrypto;
59extern int iwl3945_param_queues_num;
5d08cd1d 60
bb8c093b 61enum iwl3945_antenna {
5d08cd1d
CH		 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
bb8c093b 84struct iwl3945_rx_mem_buffer {
5d08cd1d
CH		 85 dma_addr_t dma_addr;
86 struct sk_buff *skb;
87 struct list_head list;
88};
89
bb8c093b 90struct iwl3945_rt_rx_hdr {
5d08cd1d
CH		 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
bb8c093b 103struct iwl3945_rt_tx_hdr {
5d08cd1d
CH		 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 */
bb8c093b 118struct iwl3945_queue {
5d08cd1d
CH		 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
bb8c093b 133struct iwl3945_tx_info {
5d08cd1d
CH		 134 struct ieee80211_tx_status status;
135 struct sk_buff *skb[MAX_NUM_OF_TBS];
136};
137
138/**
bb8c093b 139 * struct iwl3945_tx_queue - Tx Queue for DMA
5d08cd1d
CH		 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 */
bb8c093b
CH		 145struct iwl3945_tx_queue {
146 struct iwl3945_queue q;
147 struct iwl3945_tfd_frame *bd;
148 struct iwl3945_cmd *cmd;
5d08cd1d 149 dma_addr_t dma_addr_cmd;
bb8c093b 150 struct iwl3945_tx_info *txb;
5d08cd1d
CH		 151 int need_update;
152 int sched_retry;
153 int active;
154};
155
156#define IWL_NUM_SCAN_RATES (2)
157
bb8c093b 158struct iwl3945_channel_tgd_info {
5d08cd1d
CH		 159 u8 type;
160 s8 max_power;
161};
162
bb8c093b 163struct iwl3945_channel_tgh_info {
5d08cd1d
CH		 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. */
bb8c093b
CH		 174struct iwl3945_channel_power_info {
175 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 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. */
bb8c093b
CH		 183struct iwl3945_scan_power_info {
184 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH		 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
bb8c093b
CH		 204struct 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
5d08cd1d
CH		 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). */
bb8c093b 225 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
5d08cd1d
CH		 226
227 /* Radio/DSP gain settings for each scan rate, for directed scans. */
bb8c093b 228 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
5d08cd1d
CH		 229};
230
bb8c093b 231struct iwl3945_clip_group {
5d08cd1d
CH		 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
bb8c093b
CH		 252struct iwl3945_power_vec_entry {
253 struct iwl3945_powertable_cmd cmd;
5d08cd1d
CH		 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
bb8c093b 269struct iwl3945_power_mgr {
5d08cd1d 270 spinlock_t lock;
bb8c093b
CH		 271 struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC];
272 struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC];
5d08cd1d
CH		 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
bb8c093b 282struct iwl3945_frame {
5d08cd1d
CH		 283 union {
284 struct ieee80211_hdr frame;
bb8c093b 285 struct iwl3945_tx_beacon_cmd beacon;
5d08cd1d
CH		 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
302enum {
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
bb8c093b
CH		 311struct iwl3945_cmd;
312struct iwl3945_priv;
5d08cd1d 313
bb8c093b
CH		 314struct iwl3945_cmd_meta {
315 struct iwl3945_cmd_meta *source;
5d08cd1d
CH		 316 union {
317 struct sk_buff *skb;
bb8c093b
CH		 318 int (*callback)(struct iwl3945_priv *priv,
319 struct iwl3945_cmd *cmd, struct sk_buff *skb);
5d08cd1d
CH		 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
bb8c093b
CH		 328struct iwl3945_cmd {
329 struct iwl3945_cmd_meta meta;
330 struct iwl3945_cmd_header hdr;
5d08cd1d 331 union {
bb8c093b
CH		 332 struct iwl3945_addsta_cmd addsta;
333 struct iwl3945_led_cmd led;
5d08cd1d
CH		 334 u32 flags;
335 u8 val8;
336 u16 val16;
337 u32 val32;
bb8c093b
CH		 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;
5d08cd1d
CH		 345 u8 *indirect;
346 u8 payload[360];
347 } __attribute__ ((packed)) cmd;
348} __attribute__ ((packed));
349
bb8c093b 350struct iwl3945_host_cmd {
5d08cd1d
CH		 351 u8 id;
352 u16 len;
bb8c093b 353 struct iwl3945_cmd_meta meta;
5d08cd1d
CH		 354 const void *data;
355};
356
bb8c093b
CH		 357#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
358 sizeof(struct iwl3945_cmd_meta))
5d08cd1d
CH		 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/**
bb8c093b 371 * struct iwl3945_rx_queue - Rx queue
5d08cd1d
CH		 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 *
bb8c093b 380 * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
5d08cd1d 381 */
bb8c093b 382struct iwl3945_rx_queue {
5d08cd1d
CH		 383 __le32 *bd;
384 dma_addr_t dma_addr;
bb8c093b
CH		 385 struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
386 struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE];
5d08cd1d
CH		 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
bb8c093b 430struct iwl3945_tid_data {
5d08cd1d
CH		 431 u16 seq_number;
432};
433
bb8c093b 434struct iwl3945_hw_key {
5d08cd1d
CH		 435 enum ieee80211_key_alg alg;
436 int keylen;
437 u8 key[32];
438};
439
bb8c093b 440union iwl3945_ht_rate_supp {
5d08cd1d
CH		 441 u16 rates;
442 struct {
443 u8 siso_rate;
444 u8 mimo_rate;
445 };
446};
447
c8b0e6e1 448#ifdef CONFIG_IWL3945_QOS
5d08cd1d 449
bb8c093b 450union iwl3945_qos_capabity {
5d08cd1d
CH		 451 struct {
452 u8 edca_count:4; /* bit 0-3 */
453 u8 q_ack:1; /* bit 4 */
454 u8 queue_request:1; /* bit 5 */
455 u8 txop_request:1; /* bit 6 */
456 u8 reserved:1; /* bit 7 */
457 } q_AP;
458 struct {
459 u8 acvo_APSD:1; /* bit 0 */
460 u8 acvi_APSD:1; /* bit 1 */
461 u8 ac_bk_APSD:1; /* bit 2 */
462 u8 ac_be_APSD:1; /* bit 3 */
463 u8 q_ack:1; /* bit 4 */
464 u8 max_len:2; /* bit 5-6 */
465 u8 more_data_ack:1; /* bit 7 */
466 } q_STA;
467 u8 val;
468};
469
470/* QoS structures */
bb8c093b 471struct iwl3945_qos_info {
5d08cd1d
CH		 472 int qos_enable;
473 int qos_active;
bb8c093b
CH		 474 union iwl3945_qos_capabity qos_cap;
475 struct iwl3945_qosparam_cmd def_qos_parm;
5d08cd1d 476};
c8b0e6e1 477#endif /*CONFIG_IWL3945_QOS */
5d08cd1d
CH		 478
479#define STA_PS_STATUS_WAKE 0
480#define STA_PS_STATUS_SLEEP 1
481
bb8c093b
CH		 482struct iwl3945_station_entry {
483 struct iwl3945_addsta_cmd sta;
484 struct iwl3945_tid_data tid[MAX_TID_COUNT];
5d08cd1d
CH		 485 union {
486 struct {
487 u8 rate;
488 u8 flags;
489 } s;
490 u16 rate_n_flags;
491 } current_rate;
492 u8 used;
493 u8 ps_status;
bb8c093b 494 struct iwl3945_hw_key keyinfo;
5d08cd1d
CH		 495};
496
497/* one for each uCode image (inst/data, boot/init/runtime) */
498struct fw_desc {
499 void *v_addr; /* access by driver */
500 dma_addr_t p_addr; /* access by card's busmaster DMA */
501 u32 len; /* bytes */
502};
503
504/* uCode file layout */
bb8c093b 505struct iwl3945_ucode {
5d08cd1d
CH		 506 __le32 ver; /* major/minor/subminor */
507 __le32 inst_size; /* bytes of runtime instructions */
508 __le32 data_size; /* bytes of runtime data */
509 __le32 init_size; /* bytes of initialization instructions */
510 __le32 init_data_size; /* bytes of initialization data */
511 __le32 boot_size; /* bytes of bootstrap instructions */
512 u8 data[0]; /* data in same order as "size" elements */
513};
514
515#define IWL_IBSS_MAC_HASH_SIZE 32
516
bb8c093b 517struct iwl3945_ibss_seq {
5d08cd1d
CH		 518 u8 mac[ETH_ALEN];
519 u16 seq_num;
520 u16 frag_num;
521 unsigned long packet_time;
522 struct list_head list;
523};
524
bb8c093b 525struct iwl3945_driver_hw_info {
5d08cd1d
CH		 526 u16 max_txq_num;
527 u16 ac_queue_count;
528 u16 tx_cmd_len;
529 u16 max_rxq_size;
530 u32 rx_buffer_size;
531 u16 max_rxq_log;
532 u8 max_stations;
533 u8 bcast_sta_id;
534 void *shared_virt;
535 dma_addr_t shared_phys;
536};
537
538
539#define STA_FLG_RTS_MIMO_PROT_MSK __constant_cpu_to_le32(1 << 17)
540#define STA_FLG_AGG_MPDU_8US_MSK __constant_cpu_to_le32(1 << 18)
541#define STA_FLG_MAX_AGG_SIZE_POS (19)
542#define STA_FLG_MAX_AGG_SIZE_MSK __constant_cpu_to_le32(3 << 19)
543#define STA_FLG_FAT_EN_MSK __constant_cpu_to_le32(1 << 21)
544#define STA_FLG_MIMO_DIS_MSK __constant_cpu_to_le32(1 << 22)
545#define STA_FLG_AGG_MPDU_DENSITY_POS (23)
546#define STA_FLG_AGG_MPDU_DENSITY_MSK __constant_cpu_to_le32(7 << 23)
547#define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
548#define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
549
550
bb8c093b 551#define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
5d08cd1d
CH		 552 x->u.rx_frame.stats.payload + \
553 x->u.rx_frame.stats.phy_count))
bb8c093b 554#define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
5d08cd1d
CH		 555 IWL_RX_HDR(x)->payload + \
556 le16_to_cpu(IWL_RX_HDR(x)->len)))
557#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
558#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
559
560
561/******************************************************************************
562 *
563 * Functions implemented in iwl-base.c which are forward declared here
564 * for use by iwl-*.c
565 *
566 *****************************************************************************/
bb8c093b
CH		 567struct iwl3945_addsta_cmd;
568extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
569 struct iwl3945_addsta_cmd *sta, u8 flags);
570extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
5d08cd1d 571 int is_ap, u8 flags);
bb8c093b 572extern int iwl3945_is_network_packet(struct iwl3945_priv *priv,
5d08cd1d 573 struct ieee80211_hdr *header);
bb8c093b
CH		 574extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
575extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
c8b0e6e1 576#ifdef CONFIG_IWL3945_DEBUG
bb8c093b
CH		 577extern void iwl3945_report_frame(struct iwl3945_priv *priv,
578 struct iwl3945_rx_packet *pkt,
5d08cd1d
CH		 579 struct ieee80211_hdr *header, int group100);
580#else
bb8c093b
CH		 581static inline void iwl3945_report_frame(struct iwl3945_priv *priv,
582 struct iwl3945_rx_packet *pkt,
5d08cd1d
CH		 583 struct ieee80211_hdr *header,
584 int group100) {}
585#endif
bb8c093b
CH		 586extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv,
587 struct iwl3945_rx_mem_buffer *rxb,
5d08cd1d
CH		 588 void *data, short len,
589 struct ieee80211_rx_status *stats,
590 u16 phy_flags);
bb8c093b
CH		 591extern int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv,
592 struct ieee80211_hdr *header);
593extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv);
594extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv,
595 struct iwl3945_rx_queue *rxq);
596extern int iwl3945_calc_db_from_ratio(int sig_ratio);
597extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
598extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv,
599 struct iwl3945_tx_queue *txq, int count, u32 id);
600extern void iwl3945_rx_replenish(void *data);
601extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
602extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len,
5d08cd1d 603 const void *data);
bb8c093b
CH		 604extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv,
605 struct iwl3945_host_cmd *cmd);
606extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
5d08cd1d
CH		 607 struct ieee80211_hdr *hdr,
608 const u8 *dest, int left);
bb8c093b
CH		 609extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
610 struct iwl3945_rx_queue *q);
611extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
612extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
5d08cd1d
CH		 613 u32 decrypt_res,
614 struct ieee80211_rx_status *stats);
bb8c093b 615extern const u8 iwl3945_broadcast_addr[ETH_ALEN];
5d08cd1d
CH		 616
617/*
618 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
619 * call this... todo... fix that.
620*/
bb8c093b 621extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id,
5d08cd1d
CH		 622 u16 tx_rate, u8 flags);
623
624/******************************************************************************
625 *
626 * Functions implemented in iwl-[34]*.c which are forward declared here
627 * for use by iwl-base.c
628 *
629 * NOTE: The implementation of these functions are hardware specific
630 * which is why they are in the hardware specific files (vs. iwl-base.c)
631 *
632 * Naming convention --
bb8c093b
CH		 633 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
634 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
5d08cd1d 635 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
bb8c093b
CH		 636 * iwl3945_bg_ <-- Called from work queue context
637 * iwl3945_mac_ <-- mac80211 callback
5d08cd1d
CH		 638 *
639 ****************************************************************************/
bb8c093b
CH		 640extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv);
641extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
642extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
643extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
644extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
645extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
646extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
647extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
648extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
649extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
650extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
5d08cd1d 651 dma_addr_t addr, u16 len);
bb8c093b
CH		 652extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
653extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
654extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
655 struct iwl3945_tx_queue *txq);
656extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
657 struct iwl3945_frame *frame, u8 rate);
658extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
659extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
660 struct iwl3945_cmd *cmd,
5d08cd1d
CH		 661 struct ieee80211_tx_control *ctrl,
662 struct ieee80211_hdr *hdr,
663 int sta_id, int tx_id);
bb8c093b
CH		 664extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
665extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
666extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
667 struct iwl3945_rx_mem_buffer *rxb);
668extern void iwl3945_disable_events(struct iwl3945_priv *priv);
669extern int iwl4965_get_temperature(const struct iwl3945_priv *priv);
5d08cd1d
CH		 670
671/**
bb8c093b 672 * iwl3945_hw_find_station - Find station id for a given BSSID
5d08cd1d
CH		 673 * @bssid: MAC address of station ID to find
674 *
675 * NOTE: This should not be hardware specific but the code has
676 * not yet been merged into a single common layer for managing the
677 * station tables.
678 */
bb8c093b 679extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid);
5d08cd1d 680
bb8c093b 681extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
5d08cd1d 682
b481de9c
ZY		 683/*
684 * Forward declare iwl-3945.c functions for iwl-base.c
685 */
bb8c093b
CH		 686extern int iwl3945_eeprom_acquire_semaphore(struct iwl3945_priv *priv);
687extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
688extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
689extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
690extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
691extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
b481de9c 692 u16 tx_rate, u8 flags);
5d08cd1d
CH		 693
694
c8b0e6e1 695#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
5d08cd1d
CH		 696
697enum {
698 MEASUREMENT_READY = (1 << 0),
699 MEASUREMENT_ACTIVE = (1 << 1),
700};
701
702#endif
703
bb8c093b 704struct iwl3945_priv {
5d08cd1d
CH		 705
706 /* ieee device used by generic ieee processing code */
707 struct ieee80211_hw *hw;
708 struct ieee80211_channel *ieee_channels;
709 struct ieee80211_rate *ieee_rates;
710
711 /* temporary frame storage list */
712 struct list_head free_frames;
713 int frames_count;
714
715 u8 phymode;
716 int alloc_rxb_skb;
717
bb8c093b
CH		 718 void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
719 struct iwl3945_rx_mem_buffer *rxb);
5d08cd1d
CH		 720
721 const struct ieee80211_hw_mode *modes;
722
c8b0e6e1 723#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
5d08cd1d 724 /* spectrum measurement report caching */
bb8c093b 725 struct iwl3945_spectrum_notification measure_report;
5d08cd1d
CH		 726 u8 measurement_status;
727#endif
728 /* ucode beacon time */
729 u32 ucode_beacon_time;
730
bb8c093b 731 /* we allocate array of iwl3945_channel_info for NIC's valid channels.
5d08cd1d 732 * Access via channel # using indirect index array */
bb8c093b 733 struct iwl3945_channel_info *channel_info; /* channel info array */
5d08cd1d
CH		 734 u8 channel_count; /* # of channels */
735
736 /* each calibration channel group in the EEPROM has a derived
737 * clip setting for each rate. */
bb8c093b 738 const struct iwl3945_clip_group clip_groups[5];
5d08cd1d
CH		 739
740 /* thermal calibration */
741 s32 temperature; /* degrees Kelvin */
742 s32 last_temperature;
743
744 /* Scan related variables */
745 unsigned long last_scan_jiffies;
746 unsigned long scan_start;
747 unsigned long scan_pass_start;
748 unsigned long scan_start_tsf;
749 int scan_bands;
750 int one_direct_scan;
751 u8 direct_ssid_len;
752 u8 direct_ssid[IW_ESSID_MAX_SIZE];
bb8c093b 753 struct iwl3945_scan_cmd *scan;
5d08cd1d
CH		 754 u8 only_active_channel;
755
756 /* spinlock */
757 spinlock_t lock; /* protect general shared data */
758 spinlock_t hcmd_lock; /* protect hcmd */
759 struct mutex mutex;
760
761 /* basic pci-network driver stuff */
762 struct pci_dev *pci_dev;
763
764 /* pci hardware address support */
765 void __iomem *hw_base;
766
767 /* uCode images, save to reload in case of failure */
768 struct fw_desc ucode_code; /* runtime inst */
769 struct fw_desc ucode_data; /* runtime data original */
770 struct fw_desc ucode_data_backup; /* runtime data save/restore */
771 struct fw_desc ucode_init; /* initialization inst */
772 struct fw_desc ucode_init_data; /* initialization data */
773 struct fw_desc ucode_boot; /* bootstrap inst */
774
775
bb8c093b 776 struct iwl3945_rxon_time_cmd rxon_timing;
5d08cd1d
CH		 777
778 /* We declare this const so it can only be
779 * changed via explicit cast within the
780 * routines that actually update the physical
781 * hardware */
bb8c093b
CH		 782 const struct iwl3945_rxon_cmd active_rxon;
783 struct iwl3945_rxon_cmd staging_rxon;
5d08cd1d
CH		 784
785 int error_recovering;
bb8c093b 786 struct iwl3945_rxon_cmd recovery_rxon;
5d08cd1d
CH		 787
788 /* 1st responses from initialize and runtime uCode images.
789 * 4965's initialize alive response contains some calibration data. */
bb8c093b
CH		 790 struct iwl3945_init_alive_resp card_alive_init;
791 struct iwl3945_alive_resp card_alive;
5d08cd1d
CH		 792
793#ifdef LED
794 /* LED related variables */
bb8c093b 795 struct iwl3945_activity_blink activity;
5d08cd1d
CH		 796 unsigned long led_packets;
797 int led_state;
798#endif
799
800 u16 active_rate;
801 u16 active_rate_basic;
802
803 u8 call_post_assoc_from_beacon;
804 u8 assoc_station_added;
805 /* Rate scaling data */
806 s8 data_retry_limit;
807 u8 retry_rate;
808
809 wait_queue_head_t wait_command_queue;
810
811 int activity_timer_active;
812
813 /* Rx and Tx DMA processing queues */
bb8c093b
CH		 814 struct iwl3945_rx_queue rxq;
815 struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES];
5d08cd1d
CH		 816
817 unsigned long status;
818 u32 config;
819
820 int last_rx_rssi; /* From Rx packet statisitics */
821 int last_rx_noise; /* From beacon statistics */
822
bb8c093b 823 struct iwl3945_power_mgr power_data;
5d08cd1d 824
bb8c093b 825 struct iwl3945_notif_statistics statistics;
5d08cd1d
CH		 826 unsigned long last_statistics_time;
827
828 /* context information */
829 u8 essid[IW_ESSID_MAX_SIZE];
830 u8 essid_len;
831 u16 rates_mask;
832
833 u32 power_mode;
834 u32 antenna;
835 u8 bssid[ETH_ALEN];
836 u16 rts_threshold;
837 u8 mac_addr[ETH_ALEN];
838
839 /*station table variables */
840 spinlock_t sta_lock;
841 int num_stations;
bb8c093b 842 struct iwl3945_station_entry stations[IWL_STATION_COUNT];
5d08cd1d
CH		 843
844 /* Indication if ieee80211_ops->open has been called */
845 int is_open;
846
847 u8 mac80211_registered;
848 int is_abg;
849
850 u32 notif_missed_beacons;
851
852 /* Rx'd packet timing information */
853 u32 last_beacon_time;
854 u64 last_tsf;
855
856 /* Duplicate packet detection */
857 u16 last_seq_num;
858 u16 last_frag_num;
859 unsigned long last_packet_time;
860 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
861
862 /* eeprom */
bb8c093b 863 struct iwl3945_eeprom eeprom;
5d08cd1d
CH		 864
865 int iw_mode;
866
867 struct sk_buff *ibss_beacon;
868
869 /* Last Rx'd beacon timestamp */
870 u32 timestamp0;
871 u32 timestamp1;
872 u16 beacon_int;
bb8c093b 873 struct iwl3945_driver_hw_info hw_setting;
5d08cd1d
CH		 874 int interface_id;
875
876 /* Current association information needed to configure the
877 * hardware */
878 u16 assoc_id;
879 u16 assoc_capability;
880 u8 ps_mode;
881
c8b0e6e1 882#ifdef CONFIG_IWL3945_QOS
bb8c093b 883 struct iwl3945_qos_info qos_data;
c8b0e6e1 884#endif /*CONFIG_IWL3945_QOS */
5d08cd1d
CH		 885
886 struct workqueue_struct *workqueue;
887
888 struct work_struct up;
889 struct work_struct restart;
890 struct work_struct calibrated_work;
891 struct work_struct scan_completed;
892 struct work_struct rx_replenish;
893 struct work_struct rf_kill;
894 struct work_struct abort_scan;
895 struct work_struct update_link_led;
896 struct work_struct auth_work;
897 struct work_struct report_work;
898 struct work_struct request_scan;
899 struct work_struct beacon_update;
900
901 struct tasklet_struct irq_tasklet;
902
903 struct delayed_work init_alive_start;
904 struct delayed_work alive_start;
905 struct delayed_work activity_timer;
906 struct delayed_work thermal_periodic;
907 struct delayed_work gather_stats;
908 struct delayed_work scan_check;
909 struct delayed_work post_associate;
910
911#define IWL_DEFAULT_TX_POWER 0x0F
912 s8 user_txpower_limit;
913 s8 max_channel_txpower_limit;
914
915#ifdef CONFIG_PM
916 u32 pm_state[16];
917#endif
918
c8b0e6e1 919#ifdef CONFIG_IWL3945_DEBUG
5d08cd1d
CH		 920 /* debugging info */
921 u32 framecnt_to_us;
922 atomic_t restrict_refcnt;
923#endif
bb8c093b 924}; /*iwl3945_priv */
5d08cd1d 925
bb8c093b 926static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
5d08cd1d
CH		 927{
928 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
929}
930
bb8c093b 931static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
5d08cd1d
CH		 932{
933 if (ch_info == NULL)
934 return 0;
935 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
936}
937
bb8c093b 938static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info)
5d08cd1d
CH		 939{
940 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
941}
942
bb8c093b 943static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
5d08cd1d
CH		 944{
945 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
946}
947
bb8c093b 948static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info)
5d08cd1d
CH		 949{
950 return ch_info->phymode == MODE_IEEE80211A;
951}
952
bb8c093b 953static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info)
5d08cd1d
CH		 954{
955 return ((ch_info->phymode == MODE_IEEE80211B) ||
956 (ch_info->phymode == MODE_IEEE80211G));
957}
958
bb8c093b 959static inline int is_channel_passive(const struct iwl3945_channel_info *ch)
5d08cd1d
CH		 960{
961 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
962}
963
bb8c093b 964static inline int is_channel_ibss(const struct iwl3945_channel_info *ch)
5d08cd1d
CH		 965{
966 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
967}
968
bb8c093b
CH		 969extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
970 const struct iwl3945_priv *priv, int phymode, u16 channel);
5d08cd1d 971
bb8c093b 972/* Requires full declaration of iwl3945_priv before including */
5d08cd1d
CH		 973#include "iwl-3945-io.h"
974
b481de9c 975#endif
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