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
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 * Intel Linux Wireless <ilw@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>
40 #include <linux/rfkill.h>
41 #include <linux/input.h>
43 /* Hardware specific file defines the PCI IDs table for that hardware module */
44 extern struct pci_device_id iwl3945_hw_card_ids
[];
46 #define DRV_NAME "iwl3945"
49 #include "iwl-3945-hw.h"
50 #include "iwl-3945-debug.h"
51 #include "iwl-3945-led.h"
53 /* Highest firmware API version supported */
54 #define IWL3945_UCODE_API_MAX 2
56 /* Lowest firmware API version supported */
57 #define IWL3945_UCODE_API_MIN 1
59 #define IWL3945_FW_PRE "iwlwifi-3945-"
60 #define _IWL3945_MODULE_FIRMWARE(api) IWL3945_FW_PRE #api ".ucode"
61 #define IWL3945_MODULE_FIRMWARE(api) _IWL3945_MODULE_FIRMWARE(api)
63 /* Default noise level to report when noise measurement is not available.
64 * This may be because we're:
65 * 1) Not associated (4965, no beacon statistics being sent to driver)
66 * 2) Scanning (noise measurement does not apply to associated channel)
67 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
68 * Use default noise value of -127 ... this is below the range of measurable
69 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
70 * Also, -127 works better than 0 when averaging frames with/without
71 * noise info (e.g. averaging might be done in app); measured dBm values are
72 * always negative ... using a negative value as the default keeps all
73 * averages within an s8's (used in some apps) range of negative values. */
74 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
76 /* Module parameters accessible from iwl-*.c */
77 extern int iwl3945_param_hwcrypto
;
78 extern int iwl3945_param_queues_num
;
80 struct iwl3945_sta_priv
{
81 struct iwl3945_rs_sta
*rs_sta
;
84 enum iwl3945_antenna
{
85 IWL_ANTENNA_DIVERSITY
,
91 * RTS threshold here is total size [2347] minus 4 FCS bytes
93 * a value of 0 means RTS on all data/management packets
94 * a value > max MSDU size means no RTS
95 * else RTS for data/management frames where MPDU is larger
98 #define IWL_RX_BUF_SIZE 3000U
99 #define DEFAULT_RTS_THRESHOLD 2347U
100 #define MIN_RTS_THRESHOLD 0U
101 #define MAX_RTS_THRESHOLD 2347U
102 #define MAX_MSDU_SIZE 2304U
103 #define MAX_MPDU_SIZE 2346U
104 #define DEFAULT_BEACON_INTERVAL 100U
105 #define DEFAULT_SHORT_RETRY_LIMIT 7U
106 #define DEFAULT_LONG_RETRY_LIMIT 4U
108 struct iwl3945_rx_mem_buffer
{
111 struct list_head list
;
115 * Generic queue structure
117 * Contains common data for Rx and Tx queues
119 struct iwl3945_queue
{
120 int n_bd
; /* number of BDs in this queue */
121 int write_ptr
; /* 1-st empty entry (index) host_w*/
122 int read_ptr
; /* last used entry (index) host_r*/
123 dma_addr_t dma_addr
; /* physical addr for BD's */
124 int n_window
; /* safe queue window */
126 int low_mark
; /* low watermark, resume queue if free
127 * space more than this */
128 int high_mark
; /* high watermark, stop queue if free
129 * space less than this */
130 } __attribute__ ((packed
));
132 int iwl3945_queue_space(const struct iwl3945_queue
*q
);
133 int iwl3945_x2_queue_used(const struct iwl3945_queue
*q
, int i
);
135 #define MAX_NUM_OF_TBS (20)
137 /* One for each TFD */
138 struct iwl3945_tx_info
{
139 struct sk_buff
*skb
[MAX_NUM_OF_TBS
];
143 * struct iwl3945_tx_queue - Tx Queue for DMA
144 * @q: generic Rx/Tx queue descriptor
145 * @bd: base of circular buffer of TFDs
146 * @cmd: array of command/Tx buffers
147 * @dma_addr_cmd: physical address of cmd/tx buffer array
148 * @txb: array of per-TFD driver data
149 * @need_update: indicates need to update read/write index
151 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
152 * descriptors) and required locking structures.
154 struct iwl3945_tx_queue
{
155 struct iwl3945_queue q
;
156 struct iwl3945_tfd_frame
*bd
;
157 struct iwl3945_cmd
*cmd
;
158 dma_addr_t dma_addr_cmd
;
159 struct iwl3945_tx_info
*txb
;
164 #define IWL_NUM_SCAN_RATES (2)
166 struct iwl3945_channel_tgd_info
{
171 struct iwl3945_channel_tgh_info
{
175 /* current Tx power values to use, one for each rate for each channel.
176 * requested power is limited by:
177 * -- regulatory EEPROM limits for this channel
178 * -- hardware capabilities (clip-powers)
179 * -- spectrum management
180 * -- user preference (e.g. iwconfig)
181 * when requested power is set, base power index must also be set. */
182 struct iwl3945_channel_power_info
{
183 struct iwl3945_tx_power tpc
; /* actual radio and DSP gain settings */
184 s8 power_table_index
; /* actual (compenst'd) index into gain table */
185 s8 base_power_index
; /* gain index for power at factory temp. */
186 s8 requested_power
; /* power (dBm) requested for this chnl/rate */
189 /* current scan Tx power values to use, one for each scan rate for each
191 struct iwl3945_scan_power_info
{
192 struct iwl3945_tx_power tpc
; /* actual radio and DSP gain settings */
193 s8 power_table_index
; /* actual (compenst'd) index into gain table */
194 s8 requested_power
; /* scan pwr (dBm) requested for chnl/rate */
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
202 #define IWL4965_MAX_RATE (33)
204 struct iwl3945_channel_info
{
205 struct iwl3945_channel_tgd_info tgd
;
206 struct iwl3945_channel_tgh_info tgh
;
207 struct iwl3945_eeprom_channel eeprom
; /* EEPROM regulatory limit */
208 struct iwl3945_eeprom_channel fat_eeprom
; /* EEPROM regulatory limit for
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 */
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 enum ieee80211_band band
;
222 /* Radio/DSP gain settings for each "normal" data Tx rate.
223 * These include, in addition to RF and DSP gain, a few fields for
224 * remembering/modifying gain settings (indexes). */
225 struct iwl3945_channel_power_info power_info
[IWL4965_MAX_RATE
];
227 /* Radio/DSP gain settings for each scan rate, for directed scans. */
228 struct iwl3945_scan_power_info scan_pwr_info
[IWL_NUM_SCAN_RATES
];
231 struct iwl3945_clip_group
{
232 /* maximum power level to prevent clipping for each rate, derived by
233 * us from this band's saturation power in EEPROM */
234 const s8 clip_powers
[IWL_MAX_RATES
];
237 #include "iwl-3945-rs.h"
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
247 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
248 #define IWL_MIN_NUM_QUEUES 4
250 /* Power management (not Tx power) structures */
252 struct iwl3945_power_vec_entry
{
253 struct iwl3945_powertable_cmd cmd
;
256 #define IWL_POWER_RANGE_0 (0)
257 #define IWL_POWER_RANGE_1 (1)
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)
269 struct iwl3945_power_mgr
{
271 struct iwl3945_power_vec_entry pwr_range_0
[IWL_POWER_AC
];
272 struct iwl3945_power_vec_entry pwr_range_1
[IWL_POWER_AC
];
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)
282 struct iwl3945_frame
{
284 struct ieee80211_hdr frame
;
285 struct iwl3945_tx_beacon_cmd beacon
;
286 u8 raw
[IEEE80211_FRAME_LEN
];
289 struct list_head list
;
292 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
293 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
294 #define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
295 #define INDEX_TO_SEQ(x) ((u8)(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)
303 /* CMD_SIZE_NORMAL = 0, */
304 CMD_SIZE_HUGE
= (1 << 0),
306 CMD_ASYNC
= (1 << 1),
307 /* CMD_NO_SKB = 0, */
308 CMD_WANT_SKB
= (1 << 2),
314 struct iwl3945_cmd_meta
{
315 struct iwl3945_cmd_meta
*source
;
318 int (*callback
)(struct iwl3945_priv
*priv
,
319 struct iwl3945_cmd
*cmd
, struct sk_buff
*skb
);
320 } __attribute__ ((packed
)) u
;
322 /* The CMD_SIZE_HUGE flag bit indicates that the command
323 * structure is stored at the end of the shared queue memory. */
326 } __attribute__ ((packed
));
331 * For allocation of the command and tx queues, this establishes the overall
332 * size of the largest command we send to uCode, except for a scan command
333 * (which is relatively huge; space is allocated separately).
336 struct iwl3945_cmd_meta meta
;
337 struct iwl3945_cmd_header hdr
;
339 struct iwl3945_addsta_cmd addsta
;
340 struct iwl3945_led_cmd led
;
345 struct iwl3945_bt_cmd bt
;
346 struct iwl3945_rxon_time_cmd rxon_time
;
347 struct iwl3945_powertable_cmd powertable
;
348 struct iwl3945_qosparam_cmd qosparam
;
349 struct iwl3945_tx_cmd tx
;
350 struct iwl3945_tx_beacon_cmd tx_beacon
;
351 struct iwl3945_rxon_assoc_cmd rxon_assoc
;
354 } __attribute__ ((packed
)) cmd
;
355 } __attribute__ ((packed
));
357 struct iwl3945_host_cmd
{
360 struct iwl3945_cmd_meta meta
;
364 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
365 sizeof(struct iwl3945_cmd_meta))
368 * RX related structures and functions
370 #define RX_FREE_BUFFERS 64
371 #define RX_LOW_WATERMARK 8
373 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
374 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
375 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
378 * struct iwl3945_rx_queue - Rx queue
379 * @processed: Internal index to last handled Rx packet
380 * @read: Shared index to newest available Rx buffer
381 * @write: Shared index to oldest written Rx packet
382 * @free_count: Number of pre-allocated buffers in rx_free
383 * @rx_free: list of free SKBs for use
384 * @rx_used: List of Rx buffers with no SKB
385 * @need_update: flag to indicate we need to update read/write index
387 * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
389 struct iwl3945_rx_queue
{
392 struct iwl3945_rx_mem_buffer pool
[RX_QUEUE_SIZE
+ RX_FREE_BUFFERS
];
393 struct iwl3945_rx_mem_buffer
*queue
[RX_QUEUE_SIZE
];
398 struct list_head rx_free
;
399 struct list_head rx_used
;
404 #define IWL_SUPPORTED_RATES_IE_LEN 8
406 #define SCAN_INTERVAL 100
408 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
409 #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
410 #define STATUS_INT_ENABLED 2
411 #define STATUS_RF_KILL_HW 3
412 #define STATUS_RF_KILL_SW 4
413 #define STATUS_INIT 5
414 #define STATUS_ALIVE 6
415 #define STATUS_READY 7
416 #define STATUS_TEMPERATURE 8
417 #define STATUS_GEO_CONFIGURED 9
418 #define STATUS_EXIT_PENDING 10
419 #define STATUS_IN_SUSPEND 11
420 #define STATUS_STATISTICS 12
421 #define STATUS_SCANNING 13
422 #define STATUS_SCAN_ABORTING 14
423 #define STATUS_SCAN_HW 15
424 #define STATUS_POWER_PMI 16
425 #define STATUS_FW_ERROR 17
426 #define STATUS_CONF_PENDING 18
428 #define MAX_TID_COUNT 9
430 #define IWL_INVALID_RATE 0xFF
431 #define IWL_INVALID_VALUE -1
433 struct iwl3945_tid_data
{
437 struct iwl3945_hw_key
{
438 enum ieee80211_key_alg alg
;
443 union iwl3945_ht_rate_supp
{
451 union iwl3945_qos_capabity
{
453 u8 edca_count
:4; /* bit 0-3 */
454 u8 q_ack
:1; /* bit 4 */
455 u8 queue_request
:1; /* bit 5 */
456 u8 txop_request
:1; /* bit 6 */
457 u8 reserved
:1; /* bit 7 */
460 u8 acvo_APSD
:1; /* bit 0 */
461 u8 acvi_APSD
:1; /* bit 1 */
462 u8 ac_bk_APSD
:1; /* bit 2 */
463 u8 ac_be_APSD
:1; /* bit 3 */
464 u8 q_ack
:1; /* bit 4 */
465 u8 max_len
:2; /* bit 5-6 */
466 u8 more_data_ack
:1; /* bit 7 */
472 struct iwl3945_qos_info
{
474 union iwl3945_qos_capabity qos_cap
;
475 struct iwl3945_qosparam_cmd def_qos_parm
;
478 #define STA_PS_STATUS_WAKE 0
479 #define STA_PS_STATUS_SLEEP 1
481 struct iwl3945_station_entry
{
482 struct iwl3945_addsta_cmd sta
;
483 struct iwl3945_tid_data tid
[MAX_TID_COUNT
];
493 struct iwl3945_hw_key keyinfo
;
496 /* one for each uCode image (inst/data, boot/init/runtime) */
498 void *v_addr
; /* access by driver */
499 dma_addr_t p_addr
; /* access by card's busmaster DMA */
503 /* uCode file layout */
504 struct iwl3945_ucode
{
505 __le32 ver
; /* major/minor/API/serial */
506 __le32 inst_size
; /* bytes of runtime instructions */
507 __le32 data_size
; /* bytes of runtime data */
508 __le32 init_size
; /* bytes of initialization instructions */
509 __le32 init_data_size
; /* bytes of initialization data */
510 __le32 boot_size
; /* bytes of bootstrap instructions */
511 u8 data
[0]; /* data in same order as "size" elements */
514 struct iwl3945_ibss_seq
{
518 unsigned long packet_time
;
519 struct list_head list
;
523 * struct iwl3945_driver_hw_info
524 * @max_txq_num: Max # Tx queues supported
525 * @tx_cmd_len: Size of Tx command (but not including frame itself)
526 * @tx_ant_num: Number of TX antennas
527 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
530 * @max_rxq_log: Log-base-2 of max_rxq_size
533 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
534 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
536 struct iwl3945_driver_hw_info
{
547 dma_addr_t shared_phys
;
550 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
551 x->u.rx_frame.stats.payload + \
552 x->u.rx_frame.stats.phy_count))
553 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
554 IWL_RX_HDR(x)->payload + \
555 le16_to_cpu(IWL_RX_HDR(x)->len)))
556 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
557 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
560 /******************************************************************************
562 * Functions implemented in iwl-base.c which are forward declared here
565 *****************************************************************************/
566 struct iwl3945_addsta_cmd
;
567 extern int iwl3945_send_add_station(struct iwl3945_priv
*priv
,
568 struct iwl3945_addsta_cmd
*sta
, u8 flags
);
569 extern u8
iwl3945_add_station(struct iwl3945_priv
*priv
, const u8
*bssid
,
570 int is_ap
, u8 flags
);
571 extern int iwl3945_power_init_handle(struct iwl3945_priv
*priv
);
572 extern int iwl3945_eeprom_init(struct iwl3945_priv
*priv
);
573 extern int iwl3945_rx_queue_alloc(struct iwl3945_priv
*priv
);
574 extern void iwl3945_rx_queue_reset(struct iwl3945_priv
*priv
,
575 struct iwl3945_rx_queue
*rxq
);
576 extern int iwl3945_calc_db_from_ratio(int sig_ratio
);
577 extern int iwl3945_calc_sig_qual(int rssi_dbm
, int noise_dbm
);
578 extern int iwl3945_tx_queue_init(struct iwl3945_priv
*priv
,
579 struct iwl3945_tx_queue
*txq
, int count
, u32 id
);
580 extern void iwl3945_rx_replenish(void *data
);
581 extern void iwl3945_tx_queue_free(struct iwl3945_priv
*priv
, struct iwl3945_tx_queue
*txq
);
582 extern int iwl3945_send_cmd_pdu(struct iwl3945_priv
*priv
, u8 id
, u16 len
,
584 extern int __must_check
iwl3945_send_cmd(struct iwl3945_priv
*priv
,
585 struct iwl3945_host_cmd
*cmd
);
586 extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv
*priv
,
587 struct ieee80211_hdr
*hdr
,int left
);
588 extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv
*priv
,
589 struct iwl3945_rx_queue
*q
);
590 extern int iwl3945_send_statistics_request(struct iwl3945_priv
*priv
);
591 extern void iwl3945_set_decrypted_flag(struct iwl3945_priv
*priv
, struct sk_buff
*skb
,
593 struct ieee80211_rx_status
*stats
);
594 extern const u8 iwl3945_broadcast_addr
[ETH_ALEN
];
597 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
598 * call this... todo... fix that.
600 extern u8
iwl3945_sync_station(struct iwl3945_priv
*priv
, int sta_id
,
601 u16 tx_rate
, u8 flags
);
603 /******************************************************************************
605 * Functions implemented in iwl-[34]*.c which are forward declared here
606 * for use by iwl-base.c
608 * NOTE: The implementation of these functions are hardware specific
609 * which is why they are in the hardware specific files (vs. iwl-base.c)
611 * Naming convention --
612 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
613 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
614 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
615 * iwl3945_bg_ <-- Called from work queue context
616 * iwl3945_mac_ <-- mac80211 callback
618 ****************************************************************************/
619 extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv
*priv
);
620 extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv
*priv
);
621 extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv
*priv
);
622 extern int iwl3945_hw_rxq_stop(struct iwl3945_priv
*priv
);
623 extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv
*priv
);
624 extern int iwl3945_hw_nic_init(struct iwl3945_priv
*priv
);
625 extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv
*priv
);
626 extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv
*priv
);
627 extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv
*priv
);
628 extern int iwl3945_hw_nic_reset(struct iwl3945_priv
*priv
);
629 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv
*priv
, void *tfd
,
630 dma_addr_t addr
, u16 len
);
631 extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv
*priv
, struct iwl3945_tx_queue
*txq
);
632 extern int iwl3945_hw_get_temperature(struct iwl3945_priv
*priv
);
633 extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv
*priv
,
634 struct iwl3945_tx_queue
*txq
);
635 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv
*priv
,
636 struct iwl3945_frame
*frame
, u8 rate
);
637 extern int iwl3945_hw_get_rx_read(struct iwl3945_priv
*priv
);
638 extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv
*priv
,
639 struct iwl3945_cmd
*cmd
,
640 struct ieee80211_tx_info
*info
,
641 struct ieee80211_hdr
*hdr
,
642 int sta_id
, int tx_id
);
643 extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv
*priv
);
644 extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv
*priv
, s8 power
);
645 extern void iwl3945_hw_rx_statistics(struct iwl3945_priv
*priv
,
646 struct iwl3945_rx_mem_buffer
*rxb
);
647 extern void iwl3945_disable_events(struct iwl3945_priv
*priv
);
648 extern int iwl4965_get_temperature(const struct iwl3945_priv
*priv
);
651 * iwl3945_hw_find_station - Find station id for a given BSSID
652 * @bssid: MAC address of station ID to find
654 * NOTE: This should not be hardware specific but the code has
655 * not yet been merged into a single common layer for managing the
658 extern u8
iwl3945_hw_find_station(struct iwl3945_priv
*priv
, const u8
*bssid
);
660 extern int iwl3945_hw_channel_switch(struct iwl3945_priv
*priv
, u16 channel
);
663 * Forward declare iwl-3945.c functions for iwl-base.c
665 extern __le32
iwl3945_get_antenna_flags(const struct iwl3945_priv
*priv
);
666 extern int iwl3945_init_hw_rate_table(struct iwl3945_priv
*priv
);
667 extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv
*priv
);
668 extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv
*priv
);
669 extern u8
iwl3945_sync_sta(struct iwl3945_priv
*priv
, int sta_id
,
670 u16 tx_rate
, u8 flags
);
673 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
676 MEASUREMENT_READY
= (1 << 0),
677 MEASUREMENT_ACTIVE
= (1 << 1),
682 #ifdef CONFIG_IWL3945_RFKILL
685 void iwl3945_rfkill_set_hw_state(struct iwl3945_priv
*priv
);
686 void iwl3945_rfkill_unregister(struct iwl3945_priv
*priv
);
687 int iwl3945_rfkill_init(struct iwl3945_priv
*priv
);
689 static inline void iwl3945_rfkill_set_hw_state(struct iwl3945_priv
*priv
) {}
690 static inline void iwl3945_rfkill_unregister(struct iwl3945_priv
*priv
) {}
691 static inline int iwl3945_rfkill_init(struct iwl3945_priv
*priv
) { return 0; }
694 #define IWL_MAX_NUM_QUEUES IWL39_MAX_NUM_QUEUES
696 struct iwl3945_priv
{
698 /* ieee device used by generic ieee processing code */
699 struct ieee80211_hw
*hw
;
700 struct ieee80211_channel
*ieee_channels
;
701 struct ieee80211_rate
*ieee_rates
;
702 struct iwl_3945_cfg
*cfg
; /* device configuration */
704 /* temporary frame storage list */
705 struct list_head free_frames
;
708 enum ieee80211_band band
;
711 void (*rx_handlers
[REPLY_MAX
])(struct iwl3945_priv
*priv
,
712 struct iwl3945_rx_mem_buffer
*rxb
);
714 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
716 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
717 /* spectrum measurement report caching */
718 struct iwl3945_spectrum_notification measure_report
;
719 u8 measurement_status
;
721 /* ucode beacon time */
722 u32 ucode_beacon_time
;
724 /* we allocate array of iwl3945_channel_info for NIC's valid channels.
725 * Access via channel # using indirect index array */
726 struct iwl3945_channel_info
*channel_info
; /* channel info array */
727 u8 channel_count
; /* # of channels */
729 /* each calibration channel group in the EEPROM has a derived
730 * clip setting for each rate. */
731 const struct iwl3945_clip_group clip_groups
[5];
733 /* thermal calibration */
734 s32 temperature
; /* degrees Kelvin */
735 s32 last_temperature
;
737 /* Scan related variables */
738 unsigned long last_scan_jiffies
;
739 unsigned long next_scan_jiffies
;
740 unsigned long scan_start
;
741 unsigned long scan_pass_start
;
742 unsigned long scan_start_tsf
;
746 u8 direct_ssid
[IW_ESSID_MAX_SIZE
];
747 struct iwl3945_scan_cmd
*scan
;
750 spinlock_t lock
; /* protect general shared data */
751 spinlock_t hcmd_lock
; /* protect hcmd */
754 /* basic pci-network driver stuff */
755 struct pci_dev
*pci_dev
;
757 /* pci hardware address support */
758 void __iomem
*hw_base
;
760 /* uCode images, save to reload in case of failure */
761 u32 ucode_ver
; /* ucode version, copy of
763 struct fw_desc ucode_code
; /* runtime inst */
764 struct fw_desc ucode_data
; /* runtime data original */
765 struct fw_desc ucode_data_backup
; /* runtime data save/restore */
766 struct fw_desc ucode_init
; /* initialization inst */
767 struct fw_desc ucode_init_data
; /* initialization data */
768 struct fw_desc ucode_boot
; /* bootstrap inst */
771 struct iwl3945_rxon_time_cmd rxon_timing
;
773 /* We declare this const so it can only be
774 * changed via explicit cast within the
775 * routines that actually update the physical
777 const struct iwl3945_rxon_cmd active_rxon
;
778 struct iwl3945_rxon_cmd staging_rxon
;
780 int error_recovering
;
781 struct iwl3945_rxon_cmd recovery_rxon
;
783 /* 1st responses from initialize and runtime uCode images.
784 * 4965's initialize alive response contains some calibration data. */
785 struct iwl3945_init_alive_resp card_alive_init
;
786 struct iwl3945_alive_resp card_alive
;
788 #ifdef CONFIG_IWL3945_RFKILL
789 struct rfkill
*rfkill
;
792 #ifdef CONFIG_IWL3945_LEDS
793 struct iwl3945_led led
[IWL_LED_TRG_MAX
];
794 unsigned long last_blink_time
;
797 unsigned int rxtxpackets
;
803 u16 active_rate_basic
;
807 u8 call_post_assoc_from_beacon
;
808 /* Rate scaling data */
812 wait_queue_head_t wait_command_queue
;
814 int activity_timer_active
;
816 /* Rx and Tx DMA processing queues */
817 struct iwl3945_rx_queue rxq
;
818 struct iwl3945_tx_queue txq
[IWL_MAX_NUM_QUEUES
];
820 unsigned long status
;
822 int last_rx_rssi
; /* From Rx packet statisitics */
823 int last_rx_noise
; /* From beacon statistics */
825 struct iwl3945_power_mgr power_data
;
827 struct iwl3945_notif_statistics statistics
;
828 unsigned long last_statistics_time
;
830 /* context information */
837 u8 mac_addr
[ETH_ALEN
];
839 /*station table variables */
842 struct iwl3945_station_entry stations
[IWL_STATION_COUNT
];
844 /* Indication if ieee80211_ops->open has been called */
847 u8 mac80211_registered
;
849 /* Rx'd packet timing information */
850 u32 last_beacon_time
;
854 struct iwl3945_eeprom eeprom
;
856 enum nl80211_iftype iw_mode
;
858 struct sk_buff
*ibss_beacon
;
860 /* Last Rx'd beacon timestamp */
864 struct iwl3945_driver_hw_info hw_setting
;
865 struct ieee80211_vif
*vif
;
867 /* Current association information needed to configure the
870 u16 assoc_capability
;
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
;
899 #define IWL_DEFAULT_TX_POWER 0x0F
900 s8 user_txpower_limit
;
901 s8 max_channel_txpower_limit
;
904 #ifdef CONFIG_IWL3945_DEBUG
907 atomic_t restrict_refcnt
;
911 static inline int iwl3945_is_associated(struct iwl3945_priv
*priv
)
913 return (priv
->active_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
916 static inline int is_channel_valid(const struct iwl3945_channel_info
*ch_info
)
920 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
923 static inline int is_channel_radar(const struct iwl3945_channel_info
*ch_info
)
925 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
928 static inline u8
is_channel_a_band(const struct iwl3945_channel_info
*ch_info
)
930 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
933 static inline u8
is_channel_bg_band(const struct iwl3945_channel_info
*ch_info
)
935 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
938 static inline int is_channel_passive(const struct iwl3945_channel_info
*ch
)
940 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
943 static inline int is_channel_ibss(const struct iwl3945_channel_info
*ch
)
945 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
948 extern const struct iwl3945_channel_info
*iwl3945_get_channel_info(
949 const struct iwl3945_priv
*priv
, enum ieee80211_band band
, u16 channel
);
951 extern int iwl3945_rs_next_rate(struct iwl3945_priv
*priv
, int rate
);
953 /* Requires full declaration of iwl3945_priv before including */
954 #include "iwl-3945-io.h"