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b481de9c
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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 *****************************************************************************/
fcd427bb
BC
26/*
27 * Please use this file (iwl-3945.h) for driver implementation definitions.
28 * Please use iwl-3945-commands.h for uCode API definitions.
29 * Please use iwl-3945-hw.h for hardware-related definitions.
30 */
b481de9c
ZY
31
32#ifndef __iwl_3945_h__
33#define __iwl_3945_h__
34
5d08cd1d
CH
35#include <linux/pci.h> /* for struct pci_device_id */
36#include <linux/kernel.h>
37#include <net/ieee80211_radiotap.h>
38
5d08cd1d 39/* Hardware specific file defines the PCI IDs table for that hardware module */
bb8c093b 40extern struct pci_device_id iwl3945_hw_card_ids[];
5d08cd1d
CH
41
42#define DRV_NAME "iwl3945"
43#include "iwl-3945-hw.h"
44#include "iwl-prph.h"
45#include "iwl-3945-debug.h"
46
47/* Default noise level to report when noise measurement is not available.
48 * This may be because we're:
49 * 1) Not associated (4965, no beacon statistics being sent to driver)
50 * 2) Scanning (noise measurement does not apply to associated channel)
51 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
52 * Use default noise value of -127 ... this is below the range of measurable
53 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
54 * Also, -127 works better than 0 when averaging frames with/without
55 * noise info (e.g. averaging might be done in app); measured dBm values are
56 * always negative ... using a negative value as the default keeps all
57 * averages within an s8's (used in some apps) range of negative values. */
58#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
59
60/* Module parameters accessible from iwl-*.c */
bb8c093b
CH
61extern int iwl3945_param_hwcrypto;
62extern int iwl3945_param_queues_num;
5d08cd1d 63
bb8c093b 64enum iwl3945_antenna {
5d08cd1d
CH
65 IWL_ANTENNA_DIVERSITY,
66 IWL_ANTENNA_MAIN,
67 IWL_ANTENNA_AUX
68};
69
70/*
71 * RTS threshold here is total size [2347] minus 4 FCS bytes
72 * Per spec:
73 * a value of 0 means RTS on all data/management packets
74 * a value > max MSDU size means no RTS
75 * else RTS for data/management frames where MPDU is larger
76 * than RTS value.
77 */
9ee1ba47 78#define IWL_RX_BUF_SIZE 3000U
5d08cd1d
CH
79#define DEFAULT_RTS_THRESHOLD 2347U
80#define MIN_RTS_THRESHOLD 0U
81#define MAX_RTS_THRESHOLD 2347U
82#define MAX_MSDU_SIZE 2304U
83#define MAX_MPDU_SIZE 2346U
84#define DEFAULT_BEACON_INTERVAL 100U
85#define DEFAULT_SHORT_RETRY_LIMIT 7U
86#define DEFAULT_LONG_RETRY_LIMIT 4U
87
bb8c093b 88struct iwl3945_rx_mem_buffer {
5d08cd1d
CH
89 dma_addr_t dma_addr;
90 struct sk_buff *skb;
91 struct list_head list;
92};
93
5d08cd1d
CH
94/*
95 * Generic queue structure
96 *
97 * Contains common data for Rx and Tx queues
98 */
bb8c093b 99struct iwl3945_queue {
5d08cd1d
CH
100 int n_bd; /* number of BDs in this queue */
101 int write_ptr; /* 1-st empty entry (index) host_w*/
102 int read_ptr; /* last used entry (index) host_r*/
103 dma_addr_t dma_addr; /* physical addr for BD's */
104 int n_window; /* safe queue window */
105 u32 id;
106 int low_mark; /* low watermark, resume queue if free
107 * space more than this */
108 int high_mark; /* high watermark, stop queue if free
109 * space less than this */
110} __attribute__ ((packed));
111
112#define MAX_NUM_OF_TBS (20)
113
bc47279f 114/* One for each TFD */
bb8c093b 115struct iwl3945_tx_info {
5d08cd1d
CH
116 struct ieee80211_tx_status status;
117 struct sk_buff *skb[MAX_NUM_OF_TBS];
118};
119
120/**
bb8c093b 121 * struct iwl3945_tx_queue - Tx Queue for DMA
bc47279f
BC
122 * @q: generic Rx/Tx queue descriptor
123 * @bd: base of circular buffer of TFDs
124 * @cmd: array of command/Tx buffers
125 * @dma_addr_cmd: physical address of cmd/tx buffer array
126 * @txb: array of per-TFD driver data
127 * @need_update: indicates need to update read/write index
5d08cd1d 128 *
bc47279f
BC
129 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
130 * descriptors) and required locking structures.
5d08cd1d 131 */
bb8c093b
CH
132struct iwl3945_tx_queue {
133 struct iwl3945_queue q;
134 struct iwl3945_tfd_frame *bd;
135 struct iwl3945_cmd *cmd;
5d08cd1d 136 dma_addr_t dma_addr_cmd;
bb8c093b 137 struct iwl3945_tx_info *txb;
5d08cd1d 138 int need_update;
5d08cd1d
CH
139 int active;
140};
141
142#define IWL_NUM_SCAN_RATES (2)
143
bb8c093b 144struct iwl3945_channel_tgd_info {
5d08cd1d
CH
145 u8 type;
146 s8 max_power;
147};
148
bb8c093b 149struct iwl3945_channel_tgh_info {
5d08cd1d
CH
150 s64 last_radar_time;
151};
152
153/* current Tx power values to use, one for each rate for each channel.
154 * requested power is limited by:
155 * -- regulatory EEPROM limits for this channel
156 * -- hardware capabilities (clip-powers)
157 * -- spectrum management
158 * -- user preference (e.g. iwconfig)
159 * when requested power is set, base power index must also be set. */
bb8c093b
CH
160struct iwl3945_channel_power_info {
161 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH
162 s8 power_table_index; /* actual (compenst'd) index into gain table */
163 s8 base_power_index; /* gain index for power at factory temp. */
164 s8 requested_power; /* power (dBm) requested for this chnl/rate */
165};
166
167/* current scan Tx power values to use, one for each scan rate for each
168 * channel. */
bb8c093b
CH
169struct iwl3945_scan_power_info {
170 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
5d08cd1d
CH
171 s8 power_table_index; /* actual (compenst'd) index into gain table */
172 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
173};
174
5d08cd1d
CH
175/*
176 * One for each channel, holds all channel setup data
177 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
178 * with one another!
179 */
180#define IWL4965_MAX_RATE (33)
181
bb8c093b
CH
182struct iwl3945_channel_info {
183 struct iwl3945_channel_tgd_info tgd;
184 struct iwl3945_channel_tgh_info tgh;
185 struct iwl3945_eeprom_channel eeprom; /* EEPROM regulatory limit */
186 struct iwl3945_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
5d08cd1d
CH
187 * FAT channel */
188
189 u8 channel; /* channel number */
190 u8 flags; /* flags copied from EEPROM */
191 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
192 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
193 s8 min_power; /* always 0 */
194 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
195
196 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
197 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
198 u8 phymode; /* MODE_IEEE80211{A,B,G} */
199
200 /* Radio/DSP gain settings for each "normal" data Tx rate.
201 * These include, in addition to RF and DSP gain, a few fields for
202 * remembering/modifying gain settings (indexes). */
bb8c093b 203 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
5d08cd1d
CH
204
205 /* Radio/DSP gain settings for each scan rate, for directed scans. */
bb8c093b 206 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
5d08cd1d
CH
207};
208
bb8c093b 209struct iwl3945_clip_group {
5d08cd1d
CH
210 /* maximum power level to prevent clipping for each rate, derived by
211 * us from this band's saturation power in EEPROM */
212 const s8 clip_powers[IWL_MAX_RATES];
213};
214
215#include "iwl-3945-rs.h"
216
217#define IWL_TX_FIFO_AC0 0
218#define IWL_TX_FIFO_AC1 1
219#define IWL_TX_FIFO_AC2 2
220#define IWL_TX_FIFO_AC3 3
221#define IWL_TX_FIFO_HCCA_1 5
222#define IWL_TX_FIFO_HCCA_2 6
223#define IWL_TX_FIFO_NONE 7
224
225/* Minimum number of queues. MAX_NUM is defined in hw specific files */
226#define IWL_MIN_NUM_QUEUES 4
227
228/* Power management (not Tx power) structures */
229
bb8c093b
CH
230struct iwl3945_power_vec_entry {
231 struct iwl3945_powertable_cmd cmd;
5d08cd1d
CH
232 u8 no_dtim;
233};
234#define IWL_POWER_RANGE_0 (0)
235#define IWL_POWER_RANGE_1 (1)
236
237#define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
238#define IWL_POWER_INDEX_3 0x03
239#define IWL_POWER_INDEX_5 0x05
240#define IWL_POWER_AC 0x06
241#define IWL_POWER_BATTERY 0x07
242#define IWL_POWER_LIMIT 0x07
243#define IWL_POWER_MASK 0x0F
244#define IWL_POWER_ENABLED 0x10
245#define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
246
bb8c093b 247struct iwl3945_power_mgr {
5d08cd1d 248 spinlock_t lock;
bb8c093b
CH
249 struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC];
250 struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC];
5d08cd1d
CH
251 u8 active_index;
252 u32 dtim_val;
253};
254
255#define IEEE80211_DATA_LEN 2304
256#define IEEE80211_4ADDR_LEN 30
257#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
258#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
259
bb8c093b 260struct iwl3945_frame {
5d08cd1d
CH
261 union {
262 struct ieee80211_hdr frame;
bb8c093b 263 struct iwl3945_tx_beacon_cmd beacon;
5d08cd1d
CH
264 u8 raw[IEEE80211_FRAME_LEN];
265 u8 cmd[360];
266 } u;
267 struct list_head list;
268};
269
270#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
271#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
272#define SEQ_TO_INDEX(x) (x & 0xff)
273#define INDEX_TO_SEQ(x) (x & 0xff)
274#define SEQ_HUGE_FRAME (0x4000)
275#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
276#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
277#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
278#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
279
280enum {
281 /* CMD_SIZE_NORMAL = 0, */
282 CMD_SIZE_HUGE = (1 << 0),
283 /* CMD_SYNC = 0, */
284 CMD_ASYNC = (1 << 1),
285 /* CMD_NO_SKB = 0, */
286 CMD_WANT_SKB = (1 << 2),
287};
288
bb8c093b
CH
289struct iwl3945_cmd;
290struct iwl3945_priv;
5d08cd1d 291
bb8c093b
CH
292struct iwl3945_cmd_meta {
293 struct iwl3945_cmd_meta *source;
5d08cd1d
CH
294 union {
295 struct sk_buff *skb;
bb8c093b
CH
296 int (*callback)(struct iwl3945_priv *priv,
297 struct iwl3945_cmd *cmd, struct sk_buff *skb);
5d08cd1d
CH
298 } __attribute__ ((packed)) u;
299
300 /* The CMD_SIZE_HUGE flag bit indicates that the command
301 * structure is stored at the end of the shared queue memory. */
302 u32 flags;
303
304} __attribute__ ((packed));
305
bc47279f
BC
306/**
307 * struct iwl3945_cmd
308 *
309 * For allocation of the command and tx queues, this establishes the overall
310 * size of the largest command we send to uCode, except for a scan command
311 * (which is relatively huge; space is allocated separately).
312 */
bb8c093b
CH
313struct iwl3945_cmd {
314 struct iwl3945_cmd_meta meta;
315 struct iwl3945_cmd_header hdr;
5d08cd1d 316 union {
bb8c093b
CH
317 struct iwl3945_addsta_cmd addsta;
318 struct iwl3945_led_cmd led;
5d08cd1d
CH
319 u32 flags;
320 u8 val8;
321 u16 val16;
322 u32 val32;
bb8c093b
CH
323 struct iwl3945_bt_cmd bt;
324 struct iwl3945_rxon_time_cmd rxon_time;
325 struct iwl3945_powertable_cmd powertable;
326 struct iwl3945_qosparam_cmd qosparam;
327 struct iwl3945_tx_cmd tx;
328 struct iwl3945_tx_beacon_cmd tx_beacon;
329 struct iwl3945_rxon_assoc_cmd rxon_assoc;
5d08cd1d
CH
330 u8 *indirect;
331 u8 payload[360];
332 } __attribute__ ((packed)) cmd;
333} __attribute__ ((packed));
334
bb8c093b 335struct iwl3945_host_cmd {
5d08cd1d
CH
336 u8 id;
337 u16 len;
bb8c093b 338 struct iwl3945_cmd_meta meta;
5d08cd1d
CH
339 const void *data;
340};
341
bb8c093b
CH
342#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
343 sizeof(struct iwl3945_cmd_meta))
5d08cd1d
CH
344
345/*
346 * RX related structures and functions
347 */
348#define RX_FREE_BUFFERS 64
349#define RX_LOW_WATERMARK 8
350
351#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
352#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
353#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
354
355/**
bb8c093b 356 * struct iwl3945_rx_queue - Rx queue
5d08cd1d
CH
357 * @processed: Internal index to last handled Rx packet
358 * @read: Shared index to newest available Rx buffer
359 * @write: Shared index to oldest written Rx packet
360 * @free_count: Number of pre-allocated buffers in rx_free
361 * @rx_free: list of free SKBs for use
362 * @rx_used: List of Rx buffers with no SKB
363 * @need_update: flag to indicate we need to update read/write index
364 *
bb8c093b 365 * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
5d08cd1d 366 */
bb8c093b 367struct iwl3945_rx_queue {
5d08cd1d
CH
368 __le32 *bd;
369 dma_addr_t dma_addr;
bb8c093b
CH
370 struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
371 struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE];
5d08cd1d
CH
372 u32 processed;
373 u32 read;
374 u32 write;
375 u32 free_count;
376 struct list_head rx_free;
377 struct list_head rx_used;
378 int need_update;
379 spinlock_t lock;
380};
381
382#define IWL_SUPPORTED_RATES_IE_LEN 8
383
384#define SCAN_INTERVAL 100
385
386#define MAX_A_CHANNELS 252
387#define MIN_A_CHANNELS 7
388
389#define MAX_B_CHANNELS 14
390#define MIN_B_CHANNELS 1
391
392#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
393#define STATUS_INT_ENABLED 1
394#define STATUS_RF_KILL_HW 2
395#define STATUS_RF_KILL_SW 3
396#define STATUS_INIT 4
397#define STATUS_ALIVE 5
398#define STATUS_READY 6
399#define STATUS_TEMPERATURE 7
400#define STATUS_GEO_CONFIGURED 8
401#define STATUS_EXIT_PENDING 9
402#define STATUS_IN_SUSPEND 10
403#define STATUS_STATISTICS 11
404#define STATUS_SCANNING 12
405#define STATUS_SCAN_ABORTING 13
406#define STATUS_SCAN_HW 14
407#define STATUS_POWER_PMI 15
408#define STATUS_FW_ERROR 16
a0646470 409#define STATUS_CONF_PENDING 17
5d08cd1d
CH
410
411#define MAX_TID_COUNT 9
412
413#define IWL_INVALID_RATE 0xFF
414#define IWL_INVALID_VALUE -1
415
bb8c093b 416struct iwl3945_tid_data {
5d08cd1d
CH
417 u16 seq_number;
418};
419
bb8c093b 420struct iwl3945_hw_key {
5d08cd1d
CH
421 enum ieee80211_key_alg alg;
422 int keylen;
423 u8 key[32];
424};
425
bb8c093b 426union iwl3945_ht_rate_supp {
5d08cd1d
CH
427 u16 rates;
428 struct {
429 u8 siso_rate;
430 u8 mimo_rate;
431 };
432};
433
c8b0e6e1 434#ifdef CONFIG_IWL3945_QOS
5d08cd1d 435
bb8c093b 436union iwl3945_qos_capabity {
5d08cd1d
CH
437 struct {
438 u8 edca_count:4; /* bit 0-3 */
439 u8 q_ack:1; /* bit 4 */
440 u8 queue_request:1; /* bit 5 */
441 u8 txop_request:1; /* bit 6 */
442 u8 reserved:1; /* bit 7 */
443 } q_AP;
444 struct {
445 u8 acvo_APSD:1; /* bit 0 */
446 u8 acvi_APSD:1; /* bit 1 */
447 u8 ac_bk_APSD:1; /* bit 2 */
448 u8 ac_be_APSD:1; /* bit 3 */
449 u8 q_ack:1; /* bit 4 */
450 u8 max_len:2; /* bit 5-6 */
451 u8 more_data_ack:1; /* bit 7 */
452 } q_STA;
453 u8 val;
454};
455
456/* QoS structures */
bb8c093b 457struct iwl3945_qos_info {
5d08cd1d
CH
458 int qos_enable;
459 int qos_active;
bb8c093b
CH
460 union iwl3945_qos_capabity qos_cap;
461 struct iwl3945_qosparam_cmd def_qos_parm;
5d08cd1d 462};
c8b0e6e1 463#endif /*CONFIG_IWL3945_QOS */
5d08cd1d
CH
464
465#define STA_PS_STATUS_WAKE 0
466#define STA_PS_STATUS_SLEEP 1
467
bb8c093b
CH
468struct iwl3945_station_entry {
469 struct iwl3945_addsta_cmd sta;
470 struct iwl3945_tid_data tid[MAX_TID_COUNT];
5d08cd1d
CH
471 union {
472 struct {
473 u8 rate;
474 u8 flags;
475 } s;
476 u16 rate_n_flags;
477 } current_rate;
478 u8 used;
479 u8 ps_status;
bb8c093b 480 struct iwl3945_hw_key keyinfo;
5d08cd1d
CH
481};
482
483/* one for each uCode image (inst/data, boot/init/runtime) */
484struct fw_desc {
485 void *v_addr; /* access by driver */
486 dma_addr_t p_addr; /* access by card's busmaster DMA */
487 u32 len; /* bytes */
488};
489
490/* uCode file layout */
bb8c093b 491struct iwl3945_ucode {
5d08cd1d
CH
492 __le32 ver; /* major/minor/subminor */
493 __le32 inst_size; /* bytes of runtime instructions */
494 __le32 data_size; /* bytes of runtime data */
495 __le32 init_size; /* bytes of initialization instructions */
496 __le32 init_data_size; /* bytes of initialization data */
497 __le32 boot_size; /* bytes of bootstrap instructions */
498 u8 data[0]; /* data in same order as "size" elements */
499};
500
501#define IWL_IBSS_MAC_HASH_SIZE 32
502
bb8c093b 503struct iwl3945_ibss_seq {
5d08cd1d
CH
504 u8 mac[ETH_ALEN];
505 u16 seq_num;
506 u16 frag_num;
507 unsigned long packet_time;
508 struct list_head list;
509};
510
bc47279f 511/**
12342c47 512 * struct iwl3945_driver_hw_info
bc47279f
BC
513 * @max_txq_num: Max # Tx queues supported
514 * @ac_queue_count: # Tx queues for EDCA Access Categories (AC)
515 * @tx_cmd_len: Size of Tx command (but not including frame itself)
516 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
9ee1ba47
RR
517 * @rx_buf_size:
518 * @max_pkt_size:
bc47279f
BC
519 * @max_rxq_log: Log-base-2 of max_rxq_size
520 * @max_stations:
521 * @bcast_sta_id:
522 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
523 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
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;
9ee1ba47
RR
530 u32 rx_buf_size;
531 u32 max_pkt_size;
5d08cd1d
CH
532 u16 max_rxq_log;
533 u8 max_stations;
534 u8 bcast_sta_id;
535 void *shared_virt;
536 dma_addr_t shared_phys;
537};
538
bb8c093b 539#define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
5d08cd1d
CH
540 x->u.rx_frame.stats.payload + \
541 x->u.rx_frame.stats.phy_count))
bb8c093b 542#define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
5d08cd1d
CH
543 IWL_RX_HDR(x)->payload + \
544 le16_to_cpu(IWL_RX_HDR(x)->len)))
545#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
546#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
547
548
549/******************************************************************************
550 *
551 * Functions implemented in iwl-base.c which are forward declared here
552 * for use by iwl-*.c
553 *
554 *****************************************************************************/
bb8c093b
CH
555struct iwl3945_addsta_cmd;
556extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
557 struct iwl3945_addsta_cmd *sta, u8 flags);
558extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
5d08cd1d 559 int is_ap, u8 flags);
bb8c093b 560extern int iwl3945_is_network_packet(struct iwl3945_priv *priv,
5d08cd1d 561 struct ieee80211_hdr *header);
bb8c093b
CH
562extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
563extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
c8b0e6e1 564#ifdef CONFIG_IWL3945_DEBUG
bb8c093b
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565extern void iwl3945_report_frame(struct iwl3945_priv *priv,
566 struct iwl3945_rx_packet *pkt,
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567 struct ieee80211_hdr *header, int group100);
568#else
bb8c093b
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569static inline void iwl3945_report_frame(struct iwl3945_priv *priv,
570 struct iwl3945_rx_packet *pkt,
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571 struct ieee80211_hdr *header,
572 int group100) {}
573#endif
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574extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv,
575 struct iwl3945_rx_mem_buffer *rxb,
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576 void *data, short len,
577 struct ieee80211_rx_status *stats,
578 u16 phy_flags);
bb8c093b
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579extern int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv,
580 struct ieee80211_hdr *header);
581extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv);
582extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv,
583 struct iwl3945_rx_queue *rxq);
584extern int iwl3945_calc_db_from_ratio(int sig_ratio);
585extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
586extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv,
587 struct iwl3945_tx_queue *txq, int count, u32 id);
588extern void iwl3945_rx_replenish(void *data);
589extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
590extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len,
5d08cd1d 591 const void *data);
bb8c093b
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592extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv,
593 struct iwl3945_host_cmd *cmd);
594extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
5d08cd1d
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595 struct ieee80211_hdr *hdr,
596 const u8 *dest, int left);
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597extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
598 struct iwl3945_rx_queue *q);
599extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
600extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
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601 u32 decrypt_res,
602 struct ieee80211_rx_status *stats);
bb8c093b 603extern const u8 iwl3945_broadcast_addr[ETH_ALEN];
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604
605/*
606 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
607 * call this... todo... fix that.
608*/
bb8c093b 609extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id,
5d08cd1d
CH
610 u16 tx_rate, u8 flags);
611
612/******************************************************************************
613 *
614 * Functions implemented in iwl-[34]*.c which are forward declared here
615 * for use by iwl-base.c
616 *
617 * NOTE: The implementation of these functions are hardware specific
618 * which is why they are in the hardware specific files (vs. iwl-base.c)
619 *
620 * Naming convention --
bb8c093b
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621 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
622 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
5d08cd1d 623 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
bb8c093b
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624 * iwl3945_bg_ <-- Called from work queue context
625 * iwl3945_mac_ <-- mac80211 callback
5d08cd1d
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626 *
627 ****************************************************************************/
bb8c093b
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628extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv);
629extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
630extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
631extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
632extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
633extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
634extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
635extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
636extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
637extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
638extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
5d08cd1d 639 dma_addr_t addr, u16 len);
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640extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
641extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
642extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
643 struct iwl3945_tx_queue *txq);
644extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
645 struct iwl3945_frame *frame, u8 rate);
646extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
647extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
648 struct iwl3945_cmd *cmd,
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649 struct ieee80211_tx_control *ctrl,
650 struct ieee80211_hdr *hdr,
651 int sta_id, int tx_id);
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652extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
653extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
654extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
655 struct iwl3945_rx_mem_buffer *rxb);
656extern void iwl3945_disable_events(struct iwl3945_priv *priv);
657extern int iwl4965_get_temperature(const struct iwl3945_priv *priv);
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658
659/**
bb8c093b 660 * iwl3945_hw_find_station - Find station id for a given BSSID
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661 * @bssid: MAC address of station ID to find
662 *
663 * NOTE: This should not be hardware specific but the code has
664 * not yet been merged into a single common layer for managing the
665 * station tables.
666 */
bb8c093b 667extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid);
5d08cd1d 668
bb8c093b 669extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
5d08cd1d 670
b481de9c
ZY
671/*
672 * Forward declare iwl-3945.c functions for iwl-base.c
673 */
bb8c093b
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674extern int iwl3945_eeprom_acquire_semaphore(struct iwl3945_priv *priv);
675extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
676extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
677extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
678extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
679extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
b481de9c 680 u16 tx_rate, u8 flags);
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681
682
c8b0e6e1 683#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
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684
685enum {
686 MEASUREMENT_READY = (1 << 0),
687 MEASUREMENT_ACTIVE = (1 << 1),
688};
689
690#endif
691
bb8c093b 692struct iwl3945_priv {
5d08cd1d
CH
693
694 /* ieee device used by generic ieee processing code */
695 struct ieee80211_hw *hw;
696 struct ieee80211_channel *ieee_channels;
697 struct ieee80211_rate *ieee_rates;
698
699 /* temporary frame storage list */
700 struct list_head free_frames;
701 int frames_count;
702
703 u8 phymode;
704 int alloc_rxb_skb;
12342c47 705 bool add_radiotap;
5d08cd1d 706
bb8c093b
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707 void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
708 struct iwl3945_rx_mem_buffer *rxb);
5d08cd1d
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709
710 const struct ieee80211_hw_mode *modes;
711
c8b0e6e1 712#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
5d08cd1d 713 /* spectrum measurement report caching */
bb8c093b 714 struct iwl3945_spectrum_notification measure_report;
5d08cd1d
CH
715 u8 measurement_status;
716#endif
717 /* ucode beacon time */
718 u32 ucode_beacon_time;
719
bb8c093b 720 /* we allocate array of iwl3945_channel_info for NIC's valid channels.
5d08cd1d 721 * Access via channel # using indirect index array */
bb8c093b 722 struct iwl3945_channel_info *channel_info; /* channel info array */
5d08cd1d
CH
723 u8 channel_count; /* # of channels */
724
725 /* each calibration channel group in the EEPROM has a derived
726 * clip setting for each rate. */
bb8c093b 727 const struct iwl3945_clip_group clip_groups[5];
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728
729 /* thermal calibration */
730 s32 temperature; /* degrees Kelvin */
731 s32 last_temperature;
732
733 /* Scan related variables */
734 unsigned long last_scan_jiffies;
7878a5a4 735 unsigned long next_scan_jiffies;
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736 unsigned long scan_start;
737 unsigned long scan_pass_start;
738 unsigned long scan_start_tsf;
739 int scan_bands;
740 int one_direct_scan;
741 u8 direct_ssid_len;
742 u8 direct_ssid[IW_ESSID_MAX_SIZE];
bb8c093b 743 struct iwl3945_scan_cmd *scan;
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744 u8 only_active_channel;
745
746 /* spinlock */
747 spinlock_t lock; /* protect general shared data */
748 spinlock_t hcmd_lock; /* protect hcmd */
749 struct mutex mutex;
750
751 /* basic pci-network driver stuff */
752 struct pci_dev *pci_dev;
753
754 /* pci hardware address support */
755 void __iomem *hw_base;
756
757 /* uCode images, save to reload in case of failure */
758 struct fw_desc ucode_code; /* runtime inst */
759 struct fw_desc ucode_data; /* runtime data original */
760 struct fw_desc ucode_data_backup; /* runtime data save/restore */
761 struct fw_desc ucode_init; /* initialization inst */
762 struct fw_desc ucode_init_data; /* initialization data */
763 struct fw_desc ucode_boot; /* bootstrap inst */
764
765
bb8c093b 766 struct iwl3945_rxon_time_cmd rxon_timing;
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767
768 /* We declare this const so it can only be
769 * changed via explicit cast within the
770 * routines that actually update the physical
771 * hardware */
bb8c093b
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772 const struct iwl3945_rxon_cmd active_rxon;
773 struct iwl3945_rxon_cmd staging_rxon;
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774
775 int error_recovering;
bb8c093b 776 struct iwl3945_rxon_cmd recovery_rxon;
5d08cd1d
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777
778 /* 1st responses from initialize and runtime uCode images.
779 * 4965's initialize alive response contains some calibration data. */
bb8c093b
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780 struct iwl3945_init_alive_resp card_alive_init;
781 struct iwl3945_alive_resp card_alive;
5d08cd1d
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782
783#ifdef LED
784 /* LED related variables */
bb8c093b 785 struct iwl3945_activity_blink activity;
5d08cd1d
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786 unsigned long led_packets;
787 int led_state;
788#endif
789
790 u16 active_rate;
791 u16 active_rate_basic;
792
793 u8 call_post_assoc_from_beacon;
794 u8 assoc_station_added;
795 /* Rate scaling data */
796 s8 data_retry_limit;
797 u8 retry_rate;
798
799 wait_queue_head_t wait_command_queue;
800
801 int activity_timer_active;
802
803 /* Rx and Tx DMA processing queues */
bb8c093b
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804 struct iwl3945_rx_queue rxq;
805 struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES];
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806
807 unsigned long status;
808 u32 config;
809
810 int last_rx_rssi; /* From Rx packet statisitics */
811 int last_rx_noise; /* From beacon statistics */
812
bb8c093b 813 struct iwl3945_power_mgr power_data;
5d08cd1d 814
bb8c093b 815 struct iwl3945_notif_statistics statistics;
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CH
816 unsigned long last_statistics_time;
817
818 /* context information */
819 u8 essid[IW_ESSID_MAX_SIZE];
820 u8 essid_len;
821 u16 rates_mask;
822
823 u32 power_mode;
824 u32 antenna;
825 u8 bssid[ETH_ALEN];
826 u16 rts_threshold;
827 u8 mac_addr[ETH_ALEN];
828
829 /*station table variables */
830 spinlock_t sta_lock;
831 int num_stations;
bb8c093b 832 struct iwl3945_station_entry stations[IWL_STATION_COUNT];
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833
834 /* Indication if ieee80211_ops->open has been called */
835 int is_open;
836
837 u8 mac80211_registered;
838 int is_abg;
839
840 u32 notif_missed_beacons;
841
842 /* Rx'd packet timing information */
843 u32 last_beacon_time;
844 u64 last_tsf;
845
846 /* Duplicate packet detection */
847 u16 last_seq_num;
848 u16 last_frag_num;
849 unsigned long last_packet_time;
bc47279f
BC
850
851 /* Hash table for finding stations in IBSS network */
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CH
852 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
853
854 /* eeprom */
bb8c093b 855 struct iwl3945_eeprom eeprom;
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856
857 int iw_mode;
858
859 struct sk_buff *ibss_beacon;
860
861 /* Last Rx'd beacon timestamp */
862 u32 timestamp0;
863 u32 timestamp1;
864 u16 beacon_int;
bb8c093b 865 struct iwl3945_driver_hw_info hw_setting;
32bfd35d 866 struct ieee80211_vif *vif;
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867
868 /* Current association information needed to configure the
869 * hardware */
870 u16 assoc_id;
871 u16 assoc_capability;
872 u8 ps_mode;
873
c8b0e6e1 874#ifdef CONFIG_IWL3945_QOS
bb8c093b 875 struct iwl3945_qos_info qos_data;
c8b0e6e1 876#endif /*CONFIG_IWL3945_QOS */
5d08cd1d
CH
877
878 struct workqueue_struct *workqueue;
879
880 struct work_struct up;
881 struct work_struct restart;
882 struct work_struct calibrated_work;
883 struct work_struct scan_completed;
884 struct work_struct rx_replenish;
885 struct work_struct rf_kill;
886 struct work_struct abort_scan;
887 struct work_struct update_link_led;
888 struct work_struct auth_work;
889 struct work_struct report_work;
890 struct work_struct request_scan;
891 struct work_struct beacon_update;
892
893 struct tasklet_struct irq_tasklet;
894
895 struct delayed_work init_alive_start;
896 struct delayed_work alive_start;
897 struct delayed_work activity_timer;
898 struct delayed_work thermal_periodic;
899 struct delayed_work gather_stats;
900 struct delayed_work scan_check;
901 struct delayed_work post_associate;
902
903#define IWL_DEFAULT_TX_POWER 0x0F
904 s8 user_txpower_limit;
905 s8 max_channel_txpower_limit;
906
907#ifdef CONFIG_PM
908 u32 pm_state[16];
909#endif
910
c8b0e6e1 911#ifdef CONFIG_IWL3945_DEBUG
5d08cd1d
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912 /* debugging info */
913 u32 framecnt_to_us;
914 atomic_t restrict_refcnt;
915#endif
bb8c093b 916}; /*iwl3945_priv */
5d08cd1d 917
bb8c093b 918static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
5d08cd1d
CH
919{
920 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
921}
922
bb8c093b 923static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
5d08cd1d
CH
924{
925 if (ch_info == NULL)
926 return 0;
927 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
928}
929
bb8c093b 930static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info)
5d08cd1d
CH
931{
932 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
933}
934
bb8c093b 935static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
5d08cd1d
CH
936{
937 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
938}
939
bb8c093b 940static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info)
5d08cd1d
CH
941{
942 return ch_info->phymode == MODE_IEEE80211A;
943}
944
bb8c093b 945static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info)
5d08cd1d
CH
946{
947 return ((ch_info->phymode == MODE_IEEE80211B) ||
948 (ch_info->phymode == MODE_IEEE80211G));
949}
950
bb8c093b 951static inline int is_channel_passive(const struct iwl3945_channel_info *ch)
5d08cd1d
CH
952{
953 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
954}
955
bb8c093b 956static inline int is_channel_ibss(const struct iwl3945_channel_info *ch)
5d08cd1d
CH
957{
958 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
959}
960
12342c47
ZY
961static inline int iwl3945_rate_index_from_plcp(int plcp)
962{
963 int i;
964
965 for (i = 0; i < IWL_RATE_COUNT; i++)
966 if (iwl3945_rates[i].plcp == plcp)
967 return i;
968 return -1;
969}
970
bb8c093b
CH
971extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
972 const struct iwl3945_priv *priv, int phymode, u16 channel);
5d08cd1d 973
bb8c093b 974/* Requires full declaration of iwl3945_priv before including */
5d08cd1d
CH
975#include "iwl-3945-io.h"
976
b481de9c 977#endif