ia64/kvm: compilation fix. export account_system_vtime.
[pv_ops_mirror.git] / drivers / net / wireless / iwlwifi / iwl-3945.h
blobc7695a215a394a958074b45caaf4e6f4fb4b6d7b
1 /******************************************************************************
3 * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
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.
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.
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
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
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
25 *****************************************************************************/
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.
32 #ifndef __iwl_3945_h__
33 #define __iwl_3945_h__
35 #include <linux/pci.h> /* for struct pci_device_id */
36 #include <linux/kernel.h>
37 #include <net/ieee80211_radiotap.h>
39 /* Hardware specific file defines the PCI IDs table for that hardware module */
40 extern struct pci_device_id iwl3945_hw_card_ids[];
42 #define DRV_NAME "iwl3945"
43 #include "iwl-csr.h"
44 #include "iwl-prph.h"
45 #include "iwl-3945-hw.h"
46 #include "iwl-3945-debug.h"
47 #include "iwl-3945-led.h"
49 /* Change firmware file name, using "-" and incrementing number,
50 * *only* when uCode interface or architecture changes so that it
51 * is not compatible with earlier drivers.
52 * This number will also appear in << 8 position of 1st dword of uCode file */
53 #define IWL3945_UCODE_API "-1"
55 /* Default noise level to report when noise measurement is not available.
56 * This may be because we're:
57 * 1) Not associated (4965, no beacon statistics being sent to driver)
58 * 2) Scanning (noise measurement does not apply to associated channel)
59 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
60 * Use default noise value of -127 ... this is below the range of measurable
61 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
62 * Also, -127 works better than 0 when averaging frames with/without
63 * noise info (e.g. averaging might be done in app); measured dBm values are
64 * always negative ... using a negative value as the default keeps all
65 * averages within an s8's (used in some apps) range of negative values. */
66 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
68 /* Module parameters accessible from iwl-*.c */
69 extern int iwl3945_param_hwcrypto;
70 extern int iwl3945_param_queues_num;
72 enum iwl3945_antenna {
73 IWL_ANTENNA_DIVERSITY,
74 IWL_ANTENNA_MAIN,
75 IWL_ANTENNA_AUX
79 * RTS threshold here is total size [2347] minus 4 FCS bytes
80 * Per spec:
81 * a value of 0 means RTS on all data/management packets
82 * a value > max MSDU size means no RTS
83 * else RTS for data/management frames where MPDU is larger
84 * than RTS value.
86 #define IWL_RX_BUF_SIZE 3000U
87 #define DEFAULT_RTS_THRESHOLD 2347U
88 #define MIN_RTS_THRESHOLD 0U
89 #define MAX_RTS_THRESHOLD 2347U
90 #define MAX_MSDU_SIZE 2304U
91 #define MAX_MPDU_SIZE 2346U
92 #define DEFAULT_BEACON_INTERVAL 100U
93 #define DEFAULT_SHORT_RETRY_LIMIT 7U
94 #define DEFAULT_LONG_RETRY_LIMIT 4U
96 struct iwl3945_rx_mem_buffer {
97 dma_addr_t dma_addr;
98 struct sk_buff *skb;
99 struct list_head list;
103 * Generic queue structure
105 * Contains common data for Rx and Tx queues
107 struct iwl3945_queue {
108 int n_bd; /* number of BDs in this queue */
109 int write_ptr; /* 1-st empty entry (index) host_w*/
110 int read_ptr; /* last used entry (index) host_r*/
111 dma_addr_t dma_addr; /* physical addr for BD's */
112 int n_window; /* safe queue window */
113 u32 id;
114 int low_mark; /* low watermark, resume queue if free
115 * space more than this */
116 int high_mark; /* high watermark, stop queue if free
117 * space less than this */
118 } __attribute__ ((packed));
120 int iwl3945_queue_space(const struct iwl3945_queue *q);
121 int iwl3945_x2_queue_used(const struct iwl3945_queue *q, int i);
123 #define MAX_NUM_OF_TBS (20)
125 /* One for each TFD */
126 struct iwl3945_tx_info {
127 struct ieee80211_tx_status status;
128 struct sk_buff *skb[MAX_NUM_OF_TBS];
132 * struct iwl3945_tx_queue - Tx Queue for DMA
133 * @q: generic Rx/Tx queue descriptor
134 * @bd: base of circular buffer of TFDs
135 * @cmd: array of command/Tx buffers
136 * @dma_addr_cmd: physical address of cmd/tx buffer array
137 * @txb: array of per-TFD driver data
138 * @need_update: indicates need to update read/write index
140 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
141 * descriptors) and required locking structures.
143 struct iwl3945_tx_queue {
144 struct iwl3945_queue q;
145 struct iwl3945_tfd_frame *bd;
146 struct iwl3945_cmd *cmd;
147 dma_addr_t dma_addr_cmd;
148 struct iwl3945_tx_info *txb;
149 int need_update;
150 int active;
153 #define IWL_NUM_SCAN_RATES (2)
155 struct iwl3945_channel_tgd_info {
156 u8 type;
157 s8 max_power;
160 struct iwl3945_channel_tgh_info {
161 s64 last_radar_time;
164 /* current Tx power values to use, one for each rate for each channel.
165 * requested power is limited by:
166 * -- regulatory EEPROM limits for this channel
167 * -- hardware capabilities (clip-powers)
168 * -- spectrum management
169 * -- user preference (e.g. iwconfig)
170 * when requested power is set, base power index must also be set. */
171 struct iwl3945_channel_power_info {
172 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
173 s8 power_table_index; /* actual (compenst'd) index into gain table */
174 s8 base_power_index; /* gain index for power at factory temp. */
175 s8 requested_power; /* power (dBm) requested for this chnl/rate */
178 /* current scan Tx power values to use, one for each scan rate for each
179 * channel. */
180 struct iwl3945_scan_power_info {
181 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
182 s8 power_table_index; /* actual (compenst'd) index into gain table */
183 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
187 * One for each channel, holds all channel setup data
188 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
189 * with one another!
191 #define IWL4965_MAX_RATE (33)
193 struct iwl3945_channel_info {
194 struct iwl3945_channel_tgd_info tgd;
195 struct iwl3945_channel_tgh_info tgh;
196 struct iwl3945_eeprom_channel eeprom; /* EEPROM regulatory limit */
197 struct iwl3945_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
198 * FAT channel */
200 u8 channel; /* channel number */
201 u8 flags; /* flags copied from EEPROM */
202 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
203 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
204 s8 min_power; /* always 0 */
205 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
207 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
208 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
209 enum ieee80211_band band;
211 /* Radio/DSP gain settings for each "normal" data Tx rate.
212 * These include, in addition to RF and DSP gain, a few fields for
213 * remembering/modifying gain settings (indexes). */
214 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
216 /* Radio/DSP gain settings for each scan rate, for directed scans. */
217 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
220 struct iwl3945_clip_group {
221 /* maximum power level to prevent clipping for each rate, derived by
222 * us from this band's saturation power in EEPROM */
223 const s8 clip_powers[IWL_MAX_RATES];
226 #include "iwl-3945-rs.h"
228 #define IWL_TX_FIFO_AC0 0
229 #define IWL_TX_FIFO_AC1 1
230 #define IWL_TX_FIFO_AC2 2
231 #define IWL_TX_FIFO_AC3 3
232 #define IWL_TX_FIFO_HCCA_1 5
233 #define IWL_TX_FIFO_HCCA_2 6
234 #define IWL_TX_FIFO_NONE 7
236 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
237 #define IWL_MIN_NUM_QUEUES 4
239 /* Power management (not Tx power) structures */
241 struct iwl3945_power_vec_entry {
242 struct iwl3945_powertable_cmd cmd;
243 u8 no_dtim;
245 #define IWL_POWER_RANGE_0 (0)
246 #define IWL_POWER_RANGE_1 (1)
248 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
249 #define IWL_POWER_INDEX_3 0x03
250 #define IWL_POWER_INDEX_5 0x05
251 #define IWL_POWER_AC 0x06
252 #define IWL_POWER_BATTERY 0x07
253 #define IWL_POWER_LIMIT 0x07
254 #define IWL_POWER_MASK 0x0F
255 #define IWL_POWER_ENABLED 0x10
256 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
258 struct iwl3945_power_mgr {
259 spinlock_t lock;
260 struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC];
261 struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC];
262 u8 active_index;
263 u32 dtim_val;
266 #define IEEE80211_DATA_LEN 2304
267 #define IEEE80211_4ADDR_LEN 30
268 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
269 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
271 struct iwl3945_frame {
272 union {
273 struct ieee80211_hdr frame;
274 struct iwl3945_tx_beacon_cmd beacon;
275 u8 raw[IEEE80211_FRAME_LEN];
276 u8 cmd[360];
277 } u;
278 struct list_head list;
281 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
282 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
283 #define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
284 #define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
285 #define SEQ_HUGE_FRAME (0x4000)
286 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
287 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
288 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
289 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
291 enum {
292 /* CMD_SIZE_NORMAL = 0, */
293 CMD_SIZE_HUGE = (1 << 0),
294 /* CMD_SYNC = 0, */
295 CMD_ASYNC = (1 << 1),
296 /* CMD_NO_SKB = 0, */
297 CMD_WANT_SKB = (1 << 2),
300 struct iwl3945_cmd;
301 struct iwl3945_priv;
303 struct iwl3945_cmd_meta {
304 struct iwl3945_cmd_meta *source;
305 union {
306 struct sk_buff *skb;
307 int (*callback)(struct iwl3945_priv *priv,
308 struct iwl3945_cmd *cmd, struct sk_buff *skb);
309 } __attribute__ ((packed)) u;
311 /* The CMD_SIZE_HUGE flag bit indicates that the command
312 * structure is stored at the end of the shared queue memory. */
313 u32 flags;
315 } __attribute__ ((packed));
318 * struct iwl3945_cmd
320 * For allocation of the command and tx queues, this establishes the overall
321 * size of the largest command we send to uCode, except for a scan command
322 * (which is relatively huge; space is allocated separately).
324 struct iwl3945_cmd {
325 struct iwl3945_cmd_meta meta;
326 struct iwl3945_cmd_header hdr;
327 union {
328 struct iwl3945_addsta_cmd addsta;
329 struct iwl3945_led_cmd led;
330 u32 flags;
331 u8 val8;
332 u16 val16;
333 u32 val32;
334 struct iwl3945_bt_cmd bt;
335 struct iwl3945_rxon_time_cmd rxon_time;
336 struct iwl3945_powertable_cmd powertable;
337 struct iwl3945_qosparam_cmd qosparam;
338 struct iwl3945_tx_cmd tx;
339 struct iwl3945_tx_beacon_cmd tx_beacon;
340 struct iwl3945_rxon_assoc_cmd rxon_assoc;
341 u8 *indirect;
342 u8 payload[360];
343 } __attribute__ ((packed)) cmd;
344 } __attribute__ ((packed));
346 struct iwl3945_host_cmd {
347 u8 id;
348 u16 len;
349 struct iwl3945_cmd_meta meta;
350 const void *data;
353 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
354 sizeof(struct iwl3945_cmd_meta))
357 * RX related structures and functions
359 #define RX_FREE_BUFFERS 64
360 #define RX_LOW_WATERMARK 8
362 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
363 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
364 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
367 * struct iwl3945_rx_queue - Rx queue
368 * @processed: Internal index to last handled Rx packet
369 * @read: Shared index to newest available Rx buffer
370 * @write: Shared index to oldest written Rx packet
371 * @free_count: Number of pre-allocated buffers in rx_free
372 * @rx_free: list of free SKBs for use
373 * @rx_used: List of Rx buffers with no SKB
374 * @need_update: flag to indicate we need to update read/write index
376 * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
378 struct iwl3945_rx_queue {
379 __le32 *bd;
380 dma_addr_t dma_addr;
381 struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
382 struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE];
383 u32 processed;
384 u32 read;
385 u32 write;
386 u32 free_count;
387 struct list_head rx_free;
388 struct list_head rx_used;
389 int need_update;
390 spinlock_t lock;
393 #define IWL_SUPPORTED_RATES_IE_LEN 8
395 #define SCAN_INTERVAL 100
397 #define MAX_A_CHANNELS 252
398 #define MIN_A_CHANNELS 7
400 #define MAX_B_CHANNELS 14
401 #define MIN_B_CHANNELS 1
403 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
404 #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
405 #define STATUS_INT_ENABLED 2
406 #define STATUS_RF_KILL_HW 3
407 #define STATUS_RF_KILL_SW 4
408 #define STATUS_INIT 5
409 #define STATUS_ALIVE 6
410 #define STATUS_READY 7
411 #define STATUS_TEMPERATURE 8
412 #define STATUS_GEO_CONFIGURED 9
413 #define STATUS_EXIT_PENDING 10
414 #define STATUS_IN_SUSPEND 11
415 #define STATUS_STATISTICS 12
416 #define STATUS_SCANNING 13
417 #define STATUS_SCAN_ABORTING 14
418 #define STATUS_SCAN_HW 15
419 #define STATUS_POWER_PMI 16
420 #define STATUS_FW_ERROR 17
421 #define STATUS_CONF_PENDING 18
423 #define MAX_TID_COUNT 9
425 #define IWL_INVALID_RATE 0xFF
426 #define IWL_INVALID_VALUE -1
428 struct iwl3945_tid_data {
429 u16 seq_number;
432 struct iwl3945_hw_key {
433 enum ieee80211_key_alg alg;
434 int keylen;
435 u8 key[32];
438 union iwl3945_ht_rate_supp {
439 u16 rates;
440 struct {
441 u8 siso_rate;
442 u8 mimo_rate;
446 union iwl3945_qos_capabity {
447 struct {
448 u8 edca_count:4; /* bit 0-3 */
449 u8 q_ack:1; /* bit 4 */
450 u8 queue_request:1; /* bit 5 */
451 u8 txop_request:1; /* bit 6 */
452 u8 reserved:1; /* bit 7 */
453 } q_AP;
454 struct {
455 u8 acvo_APSD:1; /* bit 0 */
456 u8 acvi_APSD:1; /* bit 1 */
457 u8 ac_bk_APSD:1; /* bit 2 */
458 u8 ac_be_APSD:1; /* bit 3 */
459 u8 q_ack:1; /* bit 4 */
460 u8 max_len:2; /* bit 5-6 */
461 u8 more_data_ack:1; /* bit 7 */
462 } q_STA;
463 u8 val;
466 /* QoS structures */
467 struct iwl3945_qos_info {
468 int qos_enable;
469 int qos_active;
470 union iwl3945_qos_capabity qos_cap;
471 struct iwl3945_qosparam_cmd def_qos_parm;
474 #define STA_PS_STATUS_WAKE 0
475 #define STA_PS_STATUS_SLEEP 1
477 struct iwl3945_station_entry {
478 struct iwl3945_addsta_cmd sta;
479 struct iwl3945_tid_data tid[MAX_TID_COUNT];
480 union {
481 struct {
482 u8 rate;
483 u8 flags;
484 } s;
485 u16 rate_n_flags;
486 } current_rate;
487 u8 used;
488 u8 ps_status;
489 struct iwl3945_hw_key keyinfo;
492 /* one for each uCode image (inst/data, boot/init/runtime) */
493 struct fw_desc {
494 void *v_addr; /* access by driver */
495 dma_addr_t p_addr; /* access by card's busmaster DMA */
496 u32 len; /* bytes */
499 /* uCode file layout */
500 struct iwl3945_ucode {
501 __le32 ver; /* major/minor/subminor */
502 __le32 inst_size; /* bytes of runtime instructions */
503 __le32 data_size; /* bytes of runtime data */
504 __le32 init_size; /* bytes of initialization instructions */
505 __le32 init_data_size; /* bytes of initialization data */
506 __le32 boot_size; /* bytes of bootstrap instructions */
507 u8 data[0]; /* data in same order as "size" elements */
510 #define IWL_IBSS_MAC_HASH_SIZE 32
512 struct iwl3945_ibss_seq {
513 u8 mac[ETH_ALEN];
514 u16 seq_num;
515 u16 frag_num;
516 unsigned long packet_time;
517 struct list_head list;
521 * struct iwl3945_driver_hw_info
522 * @max_txq_num: Max # Tx queues supported
523 * @tx_cmd_len: Size of Tx command (but not including frame itself)
524 * @tx_ant_num: Number of TX antennas
525 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
526 * @rx_buf_size:
527 * @max_pkt_size:
528 * @max_rxq_log: Log-base-2 of max_rxq_size
529 * @max_stations:
530 * @bcast_sta_id:
531 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
532 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
534 struct iwl3945_driver_hw_info {
535 u16 max_txq_num;
536 u16 tx_cmd_len;
537 u16 tx_ant_num;
538 u16 max_rxq_size;
539 u32 rx_buf_size;
540 u32 max_pkt_size;
541 u16 max_rxq_log;
542 u8 max_stations;
543 u8 bcast_sta_id;
544 void *shared_virt;
545 dma_addr_t shared_phys;
548 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
549 x->u.rx_frame.stats.payload + \
550 x->u.rx_frame.stats.phy_count))
551 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
552 IWL_RX_HDR(x)->payload + \
553 le16_to_cpu(IWL_RX_HDR(x)->len)))
554 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
555 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
558 /******************************************************************************
560 * Functions implemented in iwl-base.c which are forward declared here
561 * for use by iwl-*.c
563 *****************************************************************************/
564 struct iwl3945_addsta_cmd;
565 extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
566 struct iwl3945_addsta_cmd *sta, u8 flags);
567 extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
568 int is_ap, u8 flags);
569 extern int iwl3945_is_network_packet(struct iwl3945_priv *priv,
570 struct ieee80211_hdr *header);
571 extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
572 extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
573 extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv,
574 struct iwl3945_rx_mem_buffer *rxb,
575 void *data, short len,
576 struct ieee80211_rx_status *stats,
577 u16 phy_flags);
578 extern int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv,
579 struct ieee80211_hdr *header);
580 extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv);
581 extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv,
582 struct iwl3945_rx_queue *rxq);
583 extern int iwl3945_calc_db_from_ratio(int sig_ratio);
584 extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
585 extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv,
586 struct iwl3945_tx_queue *txq, int count, u32 id);
587 extern void iwl3945_rx_replenish(void *data);
588 extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
589 extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len,
590 const void *data);
591 extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv,
592 struct iwl3945_host_cmd *cmd);
593 extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
594 struct ieee80211_hdr *hdr,
595 const u8 *dest, int left);
596 extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
597 struct iwl3945_rx_queue *q);
598 extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
599 extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
600 u32 decrypt_res,
601 struct ieee80211_rx_status *stats);
602 extern const u8 iwl3945_broadcast_addr[ETH_ALEN];
605 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
606 * call this... todo... fix that.
608 extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id,
609 u16 tx_rate, u8 flags);
611 /******************************************************************************
613 * Functions implemented in iwl-[34]*.c which are forward declared here
614 * for use by iwl-base.c
616 * NOTE: The implementation of these functions are hardware specific
617 * which is why they are in the hardware specific files (vs. iwl-base.c)
619 * Naming convention --
620 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
621 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
622 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
623 * iwl3945_bg_ <-- Called from work queue context
624 * iwl3945_mac_ <-- mac80211 callback
626 ****************************************************************************/
627 extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv);
628 extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
629 extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
630 extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
631 extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
632 extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
633 extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
634 extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
635 extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
636 extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
637 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
638 dma_addr_t addr, u16 len);
639 extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
640 extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
641 extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
642 struct iwl3945_tx_queue *txq);
643 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
644 struct iwl3945_frame *frame, u8 rate);
645 extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
646 extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
647 struct iwl3945_cmd *cmd,
648 struct ieee80211_tx_control *ctrl,
649 struct ieee80211_hdr *hdr,
650 int sta_id, int tx_id);
651 extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
652 extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
653 extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
654 struct iwl3945_rx_mem_buffer *rxb);
655 extern void iwl3945_disable_events(struct iwl3945_priv *priv);
656 extern int iwl4965_get_temperature(const struct iwl3945_priv *priv);
659 * iwl3945_hw_find_station - Find station id for a given BSSID
660 * @bssid: MAC address of station ID to find
662 * NOTE: This should not be hardware specific but the code has
663 * not yet been merged into a single common layer for managing the
664 * station tables.
666 extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid);
668 extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
671 * Forward declare iwl-3945.c functions for iwl-base.c
673 extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
674 extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
675 extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
676 extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
677 extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
678 u16 tx_rate, u8 flags);
681 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
683 enum {
684 MEASUREMENT_READY = (1 << 0),
685 MEASUREMENT_ACTIVE = (1 << 1),
688 #endif
690 #define IWL_MAX_NUM_QUEUES IWL39_MAX_NUM_QUEUES
692 struct iwl3945_priv {
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 struct iwl_3945_cfg *cfg; /* device configuration */
700 /* temporary frame storage list */
701 struct list_head free_frames;
702 int frames_count;
704 enum ieee80211_band band;
705 int alloc_rxb_skb;
706 bool add_radiotap;
708 void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
709 struct iwl3945_rx_mem_buffer *rxb);
711 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
713 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
714 /* spectrum measurement report caching */
715 struct iwl3945_spectrum_notification measure_report;
716 u8 measurement_status;
717 #endif
718 /* ucode beacon time */
719 u32 ucode_beacon_time;
721 /* we allocate array of iwl3945_channel_info for NIC's valid channels.
722 * Access via channel # using indirect index array */
723 struct iwl3945_channel_info *channel_info; /* channel info array */
724 u8 channel_count; /* # of channels */
726 /* each calibration channel group in the EEPROM has a derived
727 * clip setting for each rate. */
728 const struct iwl3945_clip_group clip_groups[5];
730 /* thermal calibration */
731 s32 temperature; /* degrees Kelvin */
732 s32 last_temperature;
734 /* Scan related variables */
735 unsigned long last_scan_jiffies;
736 unsigned long next_scan_jiffies;
737 unsigned long scan_start;
738 unsigned long scan_pass_start;
739 unsigned long scan_start_tsf;
740 int scan_bands;
741 int one_direct_scan;
742 u8 direct_ssid_len;
743 u8 direct_ssid[IW_ESSID_MAX_SIZE];
744 struct iwl3945_scan_cmd *scan;
746 /* spinlock */
747 spinlock_t lock; /* protect general shared data */
748 spinlock_t hcmd_lock; /* protect hcmd */
749 struct mutex mutex;
751 /* basic pci-network driver stuff */
752 struct pci_dev *pci_dev;
754 /* pci hardware address support */
755 void __iomem *hw_base;
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 */
766 struct iwl3945_rxon_time_cmd rxon_timing;
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 */
772 const struct iwl3945_rxon_cmd active_rxon;
773 struct iwl3945_rxon_cmd staging_rxon;
775 int error_recovering;
776 struct iwl3945_rxon_cmd recovery_rxon;
778 /* 1st responses from initialize and runtime uCode images.
779 * 4965's initialize alive response contains some calibration data. */
780 struct iwl3945_init_alive_resp card_alive_init;
781 struct iwl3945_alive_resp card_alive;
783 #ifdef CONFIG_IWL3945_LEDS
784 struct iwl3945_led led[IWL_LED_TRG_MAX];
785 unsigned long last_blink_time;
786 u8 last_blink_rate;
787 u8 allow_blinking;
788 unsigned int rxtxpackets;
789 #endif
792 u16 active_rate;
793 u16 active_rate_basic;
795 u8 call_post_assoc_from_beacon;
796 /* Rate scaling data */
797 s8 data_retry_limit;
798 u8 retry_rate;
800 wait_queue_head_t wait_command_queue;
802 int activity_timer_active;
804 /* Rx and Tx DMA processing queues */
805 struct iwl3945_rx_queue rxq;
806 struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES];
808 unsigned long status;
810 int last_rx_rssi; /* From Rx packet statisitics */
811 int last_rx_noise; /* From beacon statistics */
813 struct iwl3945_power_mgr power_data;
815 struct iwl3945_notif_statistics statistics;
816 unsigned long last_statistics_time;
818 /* context information */
819 u8 essid[IW_ESSID_MAX_SIZE];
820 u8 essid_len;
821 u16 rates_mask;
823 u32 power_mode;
824 u32 antenna;
825 u8 bssid[ETH_ALEN];
826 u16 rts_threshold;
827 u8 mac_addr[ETH_ALEN];
829 /*station table variables */
830 spinlock_t sta_lock;
831 int num_stations;
832 struct iwl3945_station_entry stations[IWL_STATION_COUNT];
834 /* Indication if ieee80211_ops->open has been called */
835 u8 is_open;
837 u8 mac80211_registered;
839 u32 notif_missed_beacons;
841 /* Rx'd packet timing information */
842 u32 last_beacon_time;
843 u64 last_tsf;
845 /* Duplicate packet detection */
846 u16 last_seq_num;
847 u16 last_frag_num;
848 unsigned long last_packet_time;
850 /* Hash table for finding stations in IBSS network */
851 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
853 /* eeprom */
854 struct iwl3945_eeprom eeprom;
856 enum ieee80211_if_types iw_mode;
858 struct sk_buff *ibss_beacon;
860 /* Last Rx'd beacon timestamp */
861 u32 timestamp0;
862 u32 timestamp1;
863 u16 beacon_int;
864 struct iwl3945_driver_hw_info hw_setting;
865 struct ieee80211_vif *vif;
867 /* Current association information needed to configure the
868 * hardware */
869 u16 assoc_id;
870 u16 assoc_capability;
871 u8 ps_mode;
873 struct iwl3945_qos_info qos_data;
875 struct workqueue_struct *workqueue;
877 struct work_struct up;
878 struct work_struct restart;
879 struct work_struct calibrated_work;
880 struct work_struct scan_completed;
881 struct work_struct rx_replenish;
882 struct work_struct rf_kill;
883 struct work_struct abort_scan;
884 struct work_struct update_link_led;
885 struct work_struct auth_work;
886 struct work_struct report_work;
887 struct work_struct request_scan;
888 struct work_struct beacon_update;
890 struct tasklet_struct irq_tasklet;
892 struct delayed_work init_alive_start;
893 struct delayed_work alive_start;
894 struct delayed_work activity_timer;
895 struct delayed_work thermal_periodic;
896 struct delayed_work gather_stats;
897 struct delayed_work scan_check;
898 struct delayed_work post_associate;
900 #define IWL_DEFAULT_TX_POWER 0x0F
901 s8 user_txpower_limit;
902 s8 max_channel_txpower_limit;
904 #ifdef CONFIG_PM
905 u32 pm_state[16];
906 #endif
908 #ifdef CONFIG_IWL3945_DEBUG
909 /* debugging info */
910 u32 framecnt_to_us;
911 atomic_t restrict_refcnt;
912 #endif
913 }; /*iwl3945_priv */
915 static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
917 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
920 static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
922 if (ch_info == NULL)
923 return 0;
924 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
927 static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info)
929 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
932 static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
934 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
937 static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info)
939 return ch_info->band == IEEE80211_BAND_5GHZ;
942 static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info)
944 return ch_info->band == IEEE80211_BAND_2GHZ;
947 static inline int is_channel_passive(const struct iwl3945_channel_info *ch)
949 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
952 static inline int is_channel_ibss(const struct iwl3945_channel_info *ch)
954 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
957 extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
958 const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel);
960 /* Requires full declaration of iwl3945_priv before including */
961 #include "iwl-3945-io.h"
963 #endif