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 * 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"
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
,
79 * RTS threshold here is total size [2347] minus 4 FCS bytes
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
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
{
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 */
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 sk_buff
*skb
[MAX_NUM_OF_TBS
];
131 * struct iwl3945_tx_queue - Tx Queue for DMA
132 * @q: generic Rx/Tx queue descriptor
133 * @bd: base of circular buffer of TFDs
134 * @cmd: array of command/Tx buffers
135 * @dma_addr_cmd: physical address of cmd/tx buffer array
136 * @txb: array of per-TFD driver data
137 * @need_update: indicates need to update read/write index
139 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
140 * descriptors) and required locking structures.
142 struct iwl3945_tx_queue
{
143 struct iwl3945_queue q
;
144 struct iwl3945_tfd_frame
*bd
;
145 struct iwl3945_cmd
*cmd
;
146 dma_addr_t dma_addr_cmd
;
147 struct iwl3945_tx_info
*txb
;
152 #define IWL_NUM_SCAN_RATES (2)
154 struct iwl3945_channel_tgd_info
{
159 struct iwl3945_channel_tgh_info
{
163 /* current Tx power values to use, one for each rate for each channel.
164 * requested power is limited by:
165 * -- regulatory EEPROM limits for this channel
166 * -- hardware capabilities (clip-powers)
167 * -- spectrum management
168 * -- user preference (e.g. iwconfig)
169 * when requested power is set, base power index must also be set. */
170 struct iwl3945_channel_power_info
{
171 struct iwl3945_tx_power tpc
; /* actual radio and DSP gain settings */
172 s8 power_table_index
; /* actual (compenst'd) index into gain table */
173 s8 base_power_index
; /* gain index for power at factory temp. */
174 s8 requested_power
; /* power (dBm) requested for this chnl/rate */
177 /* current scan Tx power values to use, one for each scan rate for each
179 struct iwl3945_scan_power_info
{
180 struct iwl3945_tx_power tpc
; /* actual radio and DSP gain settings */
181 s8 power_table_index
; /* actual (compenst'd) index into gain table */
182 s8 requested_power
; /* scan pwr (dBm) requested for chnl/rate */
186 * One for each channel, holds all channel setup data
187 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
190 #define IWL4965_MAX_RATE (33)
192 struct iwl3945_channel_info
{
193 struct iwl3945_channel_tgd_info tgd
;
194 struct iwl3945_channel_tgh_info tgh
;
195 struct iwl3945_eeprom_channel eeprom
; /* EEPROM regulatory limit */
196 struct iwl3945_eeprom_channel fat_eeprom
; /* EEPROM regulatory limit for
199 u8 channel
; /* channel number */
200 u8 flags
; /* flags copied from EEPROM */
201 s8 max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
202 s8 curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) */
203 s8 min_power
; /* always 0 */
204 s8 scan_power
; /* (dBm) regul. eeprom, direct scans, any rate */
206 u8 group_index
; /* 0-4, maps channel to group1/2/3/4/5 */
207 u8 band_index
; /* 0-4, maps channel to band1/2/3/4/5 */
208 enum ieee80211_band band
;
210 /* Radio/DSP gain settings for each "normal" data Tx rate.
211 * These include, in addition to RF and DSP gain, a few fields for
212 * remembering/modifying gain settings (indexes). */
213 struct iwl3945_channel_power_info power_info
[IWL4965_MAX_RATE
];
215 /* Radio/DSP gain settings for each scan rate, for directed scans. */
216 struct iwl3945_scan_power_info scan_pwr_info
[IWL_NUM_SCAN_RATES
];
219 struct iwl3945_clip_group
{
220 /* maximum power level to prevent clipping for each rate, derived by
221 * us from this band's saturation power in EEPROM */
222 const s8 clip_powers
[IWL_MAX_RATES
];
225 #include "iwl-3945-rs.h"
227 #define IWL_TX_FIFO_AC0 0
228 #define IWL_TX_FIFO_AC1 1
229 #define IWL_TX_FIFO_AC2 2
230 #define IWL_TX_FIFO_AC3 3
231 #define IWL_TX_FIFO_HCCA_1 5
232 #define IWL_TX_FIFO_HCCA_2 6
233 #define IWL_TX_FIFO_NONE 7
235 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
236 #define IWL_MIN_NUM_QUEUES 4
238 /* Power management (not Tx power) structures */
240 struct iwl3945_power_vec_entry
{
241 struct iwl3945_powertable_cmd cmd
;
244 #define IWL_POWER_RANGE_0 (0)
245 #define IWL_POWER_RANGE_1 (1)
247 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
248 #define IWL_POWER_INDEX_3 0x03
249 #define IWL_POWER_INDEX_5 0x05
250 #define IWL_POWER_AC 0x06
251 #define IWL_POWER_BATTERY 0x07
252 #define IWL_POWER_LIMIT 0x07
253 #define IWL_POWER_MASK 0x0F
254 #define IWL_POWER_ENABLED 0x10
255 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
257 struct iwl3945_power_mgr
{
259 struct iwl3945_power_vec_entry pwr_range_0
[IWL_POWER_AC
];
260 struct iwl3945_power_vec_entry pwr_range_1
[IWL_POWER_AC
];
265 #define IEEE80211_DATA_LEN 2304
266 #define IEEE80211_4ADDR_LEN 30
267 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
268 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
270 struct iwl3945_frame
{
272 struct ieee80211_hdr frame
;
273 struct iwl3945_tx_beacon_cmd beacon
;
274 u8 raw
[IEEE80211_FRAME_LEN
];
277 struct list_head list
;
280 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
281 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
282 #define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
283 #define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
284 #define SEQ_HUGE_FRAME (0x4000)
285 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
286 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
287 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
288 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
291 /* CMD_SIZE_NORMAL = 0, */
292 CMD_SIZE_HUGE
= (1 << 0),
294 CMD_ASYNC
= (1 << 1),
295 /* CMD_NO_SKB = 0, */
296 CMD_WANT_SKB
= (1 << 2),
302 struct iwl3945_cmd_meta
{
303 struct iwl3945_cmd_meta
*source
;
306 int (*callback
)(struct iwl3945_priv
*priv
,
307 struct iwl3945_cmd
*cmd
, struct sk_buff
*skb
);
308 } __attribute__ ((packed
)) u
;
310 /* The CMD_SIZE_HUGE flag bit indicates that the command
311 * structure is stored at the end of the shared queue memory. */
314 } __attribute__ ((packed
));
319 * For allocation of the command and tx queues, this establishes the overall
320 * size of the largest command we send to uCode, except for a scan command
321 * (which is relatively huge; space is allocated separately).
324 struct iwl3945_cmd_meta meta
;
325 struct iwl3945_cmd_header hdr
;
327 struct iwl3945_addsta_cmd addsta
;
328 struct iwl3945_led_cmd led
;
333 struct iwl3945_bt_cmd bt
;
334 struct iwl3945_rxon_time_cmd rxon_time
;
335 struct iwl3945_powertable_cmd powertable
;
336 struct iwl3945_qosparam_cmd qosparam
;
337 struct iwl3945_tx_cmd tx
;
338 struct iwl3945_tx_beacon_cmd tx_beacon
;
339 struct iwl3945_rxon_assoc_cmd rxon_assoc
;
342 } __attribute__ ((packed
)) cmd
;
343 } __attribute__ ((packed
));
345 struct iwl3945_host_cmd
{
348 struct iwl3945_cmd_meta meta
;
352 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
353 sizeof(struct iwl3945_cmd_meta))
356 * RX related structures and functions
358 #define RX_FREE_BUFFERS 64
359 #define RX_LOW_WATERMARK 8
361 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
362 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
363 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
366 * struct iwl3945_rx_queue - Rx queue
367 * @processed: Internal index to last handled Rx packet
368 * @read: Shared index to newest available Rx buffer
369 * @write: Shared index to oldest written Rx packet
370 * @free_count: Number of pre-allocated buffers in rx_free
371 * @rx_free: list of free SKBs for use
372 * @rx_used: List of Rx buffers with no SKB
373 * @need_update: flag to indicate we need to update read/write index
375 * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
377 struct iwl3945_rx_queue
{
380 struct iwl3945_rx_mem_buffer pool
[RX_QUEUE_SIZE
+ RX_FREE_BUFFERS
];
381 struct iwl3945_rx_mem_buffer
*queue
[RX_QUEUE_SIZE
];
386 struct list_head rx_free
;
387 struct list_head rx_used
;
392 #define IWL_SUPPORTED_RATES_IE_LEN 8
394 #define SCAN_INTERVAL 100
396 #define MAX_A_CHANNELS 252
397 #define MIN_A_CHANNELS 7
399 #define MAX_B_CHANNELS 14
400 #define MIN_B_CHANNELS 1
402 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
403 #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
404 #define STATUS_INT_ENABLED 2
405 #define STATUS_RF_KILL_HW 3
406 #define STATUS_RF_KILL_SW 4
407 #define STATUS_INIT 5
408 #define STATUS_ALIVE 6
409 #define STATUS_READY 7
410 #define STATUS_TEMPERATURE 8
411 #define STATUS_GEO_CONFIGURED 9
412 #define STATUS_EXIT_PENDING 10
413 #define STATUS_IN_SUSPEND 11
414 #define STATUS_STATISTICS 12
415 #define STATUS_SCANNING 13
416 #define STATUS_SCAN_ABORTING 14
417 #define STATUS_SCAN_HW 15
418 #define STATUS_POWER_PMI 16
419 #define STATUS_FW_ERROR 17
420 #define STATUS_CONF_PENDING 18
422 #define MAX_TID_COUNT 9
424 #define IWL_INVALID_RATE 0xFF
425 #define IWL_INVALID_VALUE -1
427 struct iwl3945_tid_data
{
431 struct iwl3945_hw_key
{
432 enum ieee80211_key_alg alg
;
437 union iwl3945_ht_rate_supp
{
445 union iwl3945_qos_capabity
{
447 u8 edca_count
:4; /* bit 0-3 */
448 u8 q_ack
:1; /* bit 4 */
449 u8 queue_request
:1; /* bit 5 */
450 u8 txop_request
:1; /* bit 6 */
451 u8 reserved
:1; /* bit 7 */
454 u8 acvo_APSD
:1; /* bit 0 */
455 u8 acvi_APSD
:1; /* bit 1 */
456 u8 ac_bk_APSD
:1; /* bit 2 */
457 u8 ac_be_APSD
:1; /* bit 3 */
458 u8 q_ack
:1; /* bit 4 */
459 u8 max_len
:2; /* bit 5-6 */
460 u8 more_data_ack
:1; /* bit 7 */
466 struct iwl3945_qos_info
{
469 union iwl3945_qos_capabity qos_cap
;
470 struct iwl3945_qosparam_cmd def_qos_parm
;
473 #define STA_PS_STATUS_WAKE 0
474 #define STA_PS_STATUS_SLEEP 1
476 struct iwl3945_station_entry
{
477 struct iwl3945_addsta_cmd sta
;
478 struct iwl3945_tid_data tid
[MAX_TID_COUNT
];
488 struct iwl3945_hw_key keyinfo
;
491 /* one for each uCode image (inst/data, boot/init/runtime) */
493 void *v_addr
; /* access by driver */
494 dma_addr_t p_addr
; /* access by card's busmaster DMA */
498 /* uCode file layout */
499 struct iwl3945_ucode
{
500 __le32 ver
; /* major/minor/subminor */
501 __le32 inst_size
; /* bytes of runtime instructions */
502 __le32 data_size
; /* bytes of runtime data */
503 __le32 init_size
; /* bytes of initialization instructions */
504 __le32 init_data_size
; /* bytes of initialization data */
505 __le32 boot_size
; /* bytes of bootstrap instructions */
506 u8 data
[0]; /* data in same order as "size" elements */
509 #define IWL_IBSS_MAC_HASH_SIZE 32
511 struct iwl3945_ibss_seq
{
515 unsigned long packet_time
;
516 struct list_head list
;
520 * struct iwl3945_driver_hw_info
521 * @max_txq_num: Max # Tx queues supported
522 * @tx_cmd_len: Size of Tx command (but not including frame itself)
523 * @tx_ant_num: Number of TX antennas
524 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
527 * @max_rxq_log: Log-base-2 of max_rxq_size
530 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
531 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
533 struct iwl3945_driver_hw_info
{
544 dma_addr_t shared_phys
;
547 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
548 x->u.rx_frame.stats.payload + \
549 x->u.rx_frame.stats.phy_count))
550 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
551 IWL_RX_HDR(x)->payload + \
552 le16_to_cpu(IWL_RX_HDR(x)->len)))
553 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
554 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
557 /******************************************************************************
559 * Functions implemented in iwl-base.c which are forward declared here
562 *****************************************************************************/
563 struct iwl3945_addsta_cmd
;
564 extern int iwl3945_send_add_station(struct iwl3945_priv
*priv
,
565 struct iwl3945_addsta_cmd
*sta
, u8 flags
);
566 extern u8
iwl3945_add_station(struct iwl3945_priv
*priv
, const u8
*bssid
,
567 int is_ap
, u8 flags
);
568 extern int iwl3945_is_network_packet(struct iwl3945_priv
*priv
,
569 struct ieee80211_hdr
*header
);
570 extern int iwl3945_power_init_handle(struct iwl3945_priv
*priv
);
571 extern int iwl3945_eeprom_init(struct iwl3945_priv
*priv
);
572 extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv
*priv
,
573 struct iwl3945_rx_mem_buffer
*rxb
,
574 void *data
, short len
,
575 struct ieee80211_rx_status
*stats
,
577 extern int iwl3945_is_duplicate_packet(struct iwl3945_priv
*priv
,
578 struct ieee80211_hdr
*header
);
579 extern int iwl3945_rx_queue_alloc(struct iwl3945_priv
*priv
);
580 extern void iwl3945_rx_queue_reset(struct iwl3945_priv
*priv
,
581 struct iwl3945_rx_queue
*rxq
);
582 extern int iwl3945_calc_db_from_ratio(int sig_ratio
);
583 extern int iwl3945_calc_sig_qual(int rssi_dbm
, int noise_dbm
);
584 extern int iwl3945_tx_queue_init(struct iwl3945_priv
*priv
,
585 struct iwl3945_tx_queue
*txq
, int count
, u32 id
);
586 extern void iwl3945_rx_replenish(void *data
);
587 extern void iwl3945_tx_queue_free(struct iwl3945_priv
*priv
, struct iwl3945_tx_queue
*txq
);
588 extern int iwl3945_send_cmd_pdu(struct iwl3945_priv
*priv
, u8 id
, u16 len
,
590 extern int __must_check
iwl3945_send_cmd(struct iwl3945_priv
*priv
,
591 struct iwl3945_host_cmd
*cmd
);
592 extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv
*priv
,
593 struct ieee80211_hdr
*hdr
,
594 const u8
*dest
, int left
);
595 extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv
*priv
,
596 struct iwl3945_rx_queue
*q
);
597 extern int iwl3945_send_statistics_request(struct iwl3945_priv
*priv
);
598 extern void iwl3945_set_decrypted_flag(struct iwl3945_priv
*priv
, struct sk_buff
*skb
,
600 struct ieee80211_rx_status
*stats
);
601 extern const u8 iwl3945_broadcast_addr
[ETH_ALEN
];
604 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
605 * call this... todo... fix that.
607 extern u8
iwl3945_sync_station(struct iwl3945_priv
*priv
, int sta_id
,
608 u16 tx_rate
, u8 flags
);
610 /******************************************************************************
612 * Functions implemented in iwl-[34]*.c which are forward declared here
613 * for use by iwl-base.c
615 * NOTE: The implementation of these functions are hardware specific
616 * which is why they are in the hardware specific files (vs. iwl-base.c)
618 * Naming convention --
619 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
620 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
621 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
622 * iwl3945_bg_ <-- Called from work queue context
623 * iwl3945_mac_ <-- mac80211 callback
625 ****************************************************************************/
626 extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv
*priv
);
627 extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv
*priv
);
628 extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv
*priv
);
629 extern int iwl3945_hw_rxq_stop(struct iwl3945_priv
*priv
);
630 extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv
*priv
);
631 extern int iwl3945_hw_nic_init(struct iwl3945_priv
*priv
);
632 extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv
*priv
);
633 extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv
*priv
);
634 extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv
*priv
);
635 extern int iwl3945_hw_nic_reset(struct iwl3945_priv
*priv
);
636 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv
*priv
, void *tfd
,
637 dma_addr_t addr
, u16 len
);
638 extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv
*priv
, struct iwl3945_tx_queue
*txq
);
639 extern int iwl3945_hw_get_temperature(struct iwl3945_priv
*priv
);
640 extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv
*priv
,
641 struct iwl3945_tx_queue
*txq
);
642 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv
*priv
,
643 struct iwl3945_frame
*frame
, u8 rate
);
644 extern int iwl3945_hw_get_rx_read(struct iwl3945_priv
*priv
);
645 extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv
*priv
,
646 struct iwl3945_cmd
*cmd
,
647 struct ieee80211_tx_info
*info
,
648 struct ieee80211_hdr
*hdr
,
649 int sta_id
, int tx_id
);
650 extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv
*priv
);
651 extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv
*priv
, s8 power
);
652 extern void iwl3945_hw_rx_statistics(struct iwl3945_priv
*priv
,
653 struct iwl3945_rx_mem_buffer
*rxb
);
654 extern void iwl3945_disable_events(struct iwl3945_priv
*priv
);
655 extern int iwl4965_get_temperature(const struct iwl3945_priv
*priv
);
658 * iwl3945_hw_find_station - Find station id for a given BSSID
659 * @bssid: MAC address of station ID to find
661 * NOTE: This should not be hardware specific but the code has
662 * not yet been merged into a single common layer for managing the
665 extern u8
iwl3945_hw_find_station(struct iwl3945_priv
*priv
, const u8
*bssid
);
667 extern int iwl3945_hw_channel_switch(struct iwl3945_priv
*priv
, u16 channel
);
670 * Forward declare iwl-3945.c functions for iwl-base.c
672 extern __le32
iwl3945_get_antenna_flags(const struct iwl3945_priv
*priv
);
673 extern int iwl3945_init_hw_rate_table(struct iwl3945_priv
*priv
);
674 extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv
*priv
);
675 extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv
*priv
);
676 extern u8
iwl3945_sync_sta(struct iwl3945_priv
*priv
, int sta_id
,
677 u16 tx_rate
, u8 flags
);
680 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
683 MEASUREMENT_READY
= (1 << 0),
684 MEASUREMENT_ACTIVE
= (1 << 1),
689 #define IWL_MAX_NUM_QUEUES IWL39_MAX_NUM_QUEUES
691 struct iwl3945_priv
{
693 /* ieee device used by generic ieee processing code */
694 struct ieee80211_hw
*hw
;
695 struct ieee80211_channel
*ieee_channels
;
696 struct ieee80211_rate
*ieee_rates
;
697 struct iwl_3945_cfg
*cfg
; /* device configuration */
699 /* temporary frame storage list */
700 struct list_head free_frames
;
703 enum ieee80211_band band
;
707 void (*rx_handlers
[REPLY_MAX
])(struct iwl3945_priv
*priv
,
708 struct iwl3945_rx_mem_buffer
*rxb
);
710 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
712 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
713 /* spectrum measurement report caching */
714 struct iwl3945_spectrum_notification measure_report
;
715 u8 measurement_status
;
717 /* ucode beacon time */
718 u32 ucode_beacon_time
;
720 /* we allocate array of iwl3945_channel_info for NIC's valid channels.
721 * Access via channel # using indirect index array */
722 struct iwl3945_channel_info
*channel_info
; /* channel info array */
723 u8 channel_count
; /* # of channels */
725 /* each calibration channel group in the EEPROM has a derived
726 * clip setting for each rate. */
727 const struct iwl3945_clip_group clip_groups
[5];
729 /* thermal calibration */
730 s32 temperature
; /* degrees Kelvin */
731 s32 last_temperature
;
733 /* Scan related variables */
734 unsigned long last_scan_jiffies
;
735 unsigned long next_scan_jiffies
;
736 unsigned long scan_start
;
737 unsigned long scan_pass_start
;
738 unsigned long scan_start_tsf
;
742 u8 direct_ssid
[IW_ESSID_MAX_SIZE
];
743 struct iwl3945_scan_cmd
*scan
;
746 spinlock_t lock
; /* protect general shared data */
747 spinlock_t hcmd_lock
; /* protect hcmd */
750 /* basic pci-network driver stuff */
751 struct pci_dev
*pci_dev
;
753 /* pci hardware address support */
754 void __iomem
*hw_base
;
756 /* uCode images, save to reload in case of failure */
757 struct fw_desc ucode_code
; /* runtime inst */
758 struct fw_desc ucode_data
; /* runtime data original */
759 struct fw_desc ucode_data_backup
; /* runtime data save/restore */
760 struct fw_desc ucode_init
; /* initialization inst */
761 struct fw_desc ucode_init_data
; /* initialization data */
762 struct fw_desc ucode_boot
; /* bootstrap inst */
765 struct iwl3945_rxon_time_cmd rxon_timing
;
767 /* We declare this const so it can only be
768 * changed via explicit cast within the
769 * routines that actually update the physical
771 const struct iwl3945_rxon_cmd active_rxon
;
772 struct iwl3945_rxon_cmd staging_rxon
;
774 int error_recovering
;
775 struct iwl3945_rxon_cmd recovery_rxon
;
777 /* 1st responses from initialize and runtime uCode images.
778 * 4965's initialize alive response contains some calibration data. */
779 struct iwl3945_init_alive_resp card_alive_init
;
780 struct iwl3945_alive_resp card_alive
;
782 #ifdef CONFIG_IWL3945_LEDS
783 struct iwl3945_led led
[IWL_LED_TRG_MAX
];
784 unsigned long last_blink_time
;
787 unsigned int rxtxpackets
;
792 u16 active_rate_basic
;
794 u8 call_post_assoc_from_beacon
;
795 /* Rate scaling data */
799 wait_queue_head_t wait_command_queue
;
801 int activity_timer_active
;
803 /* Rx and Tx DMA processing queues */
804 struct iwl3945_rx_queue rxq
;
805 struct iwl3945_tx_queue txq
[IWL_MAX_NUM_QUEUES
];
807 unsigned long status
;
809 int last_rx_rssi
; /* From Rx packet statisitics */
810 int last_rx_noise
; /* From beacon statistics */
812 struct iwl3945_power_mgr power_data
;
814 struct iwl3945_notif_statistics statistics
;
815 unsigned long last_statistics_time
;
817 /* context information */
818 u8 essid
[IW_ESSID_MAX_SIZE
];
826 u8 mac_addr
[ETH_ALEN
];
828 /*station table variables */
831 struct iwl3945_station_entry stations
[IWL_STATION_COUNT
];
833 /* Indication if ieee80211_ops->open has been called */
836 u8 mac80211_registered
;
838 u32 notif_missed_beacons
;
840 /* Rx'd packet timing information */
841 u32 last_beacon_time
;
844 /* Duplicate packet detection */
847 unsigned long last_packet_time
;
849 /* Hash table for finding stations in IBSS network */
850 struct list_head ibss_mac_hash
[IWL_IBSS_MAC_HASH_SIZE
];
853 struct iwl3945_eeprom eeprom
;
855 enum ieee80211_if_types iw_mode
;
857 struct sk_buff
*ibss_beacon
;
859 /* Last Rx'd beacon timestamp */
863 struct iwl3945_driver_hw_info hw_setting
;
864 struct ieee80211_vif
*vif
;
866 /* Current association information needed to configure the
869 u16 assoc_capability
;
872 struct iwl3945_qos_info qos_data
;
874 struct workqueue_struct
*workqueue
;
876 struct work_struct up
;
877 struct work_struct restart
;
878 struct work_struct calibrated_work
;
879 struct work_struct scan_completed
;
880 struct work_struct rx_replenish
;
881 struct work_struct rf_kill
;
882 struct work_struct abort_scan
;
883 struct work_struct update_link_led
;
884 struct work_struct auth_work
;
885 struct work_struct report_work
;
886 struct work_struct request_scan
;
887 struct work_struct beacon_update
;
888 struct work_struct set_monitor
;
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
;
908 #ifdef CONFIG_IWL3945_DEBUG
911 atomic_t restrict_refcnt
;
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
)
924 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
927 static inline int is_channel_radar(const struct iwl3945_channel_info
*ch_info
)
929 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
932 static inline u8
is_channel_a_band(const struct iwl3945_channel_info
*ch_info
)
934 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
937 static inline u8
is_channel_bg_band(const struct iwl3945_channel_info
*ch_info
)
939 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
942 static inline int is_channel_passive(const struct iwl3945_channel_info
*ch
)
944 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
947 static inline int is_channel_ibss(const struct iwl3945_channel_info
*ch
)
949 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
952 extern const struct iwl3945_channel_info
*iwl3945_get_channel_info(
953 const struct iwl3945_priv
*priv
, enum ieee80211_band band
, u16 channel
);
955 /* Requires full declaration of iwl3945_priv before including */
956 #include "iwl-3945-io.h"