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 MAX_A_CHANNELS 252
409 #define MIN_A_CHANNELS 7
411 #define MAX_B_CHANNELS 14
412 #define MIN_B_CHANNELS 1
414 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
415 #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
416 #define STATUS_INT_ENABLED 2
417 #define STATUS_RF_KILL_HW 3
418 #define STATUS_RF_KILL_SW 4
419 #define STATUS_INIT 5
420 #define STATUS_ALIVE 6
421 #define STATUS_READY 7
422 #define STATUS_TEMPERATURE 8
423 #define STATUS_GEO_CONFIGURED 9
424 #define STATUS_EXIT_PENDING 10
425 #define STATUS_IN_SUSPEND 11
426 #define STATUS_STATISTICS 12
427 #define STATUS_SCANNING 13
428 #define STATUS_SCAN_ABORTING 14
429 #define STATUS_SCAN_HW 15
430 #define STATUS_POWER_PMI 16
431 #define STATUS_FW_ERROR 17
432 #define STATUS_CONF_PENDING 18
434 #define MAX_TID_COUNT 9
436 #define IWL_INVALID_RATE 0xFF
437 #define IWL_INVALID_VALUE -1
439 struct iwl3945_tid_data {
443 struct iwl3945_hw_key {
444 enum ieee80211_key_alg alg;
449 union iwl3945_ht_rate_supp {
457 union iwl3945_qos_capabity {
459 u8 edca_count:4; /* bit 0-3 */
460 u8 q_ack:1; /* bit 4 */
461 u8 queue_request:1; /* bit 5 */
462 u8 txop_request:1; /* bit 6 */
463 u8 reserved:1; /* bit 7 */
466 u8 acvo_APSD:1; /* bit 0 */
467 u8 acvi_APSD:1; /* bit 1 */
468 u8 ac_bk_APSD:1; /* bit 2 */
469 u8 ac_be_APSD:1; /* bit 3 */
470 u8 q_ack:1; /* bit 4 */
471 u8 max_len:2; /* bit 5-6 */
472 u8 more_data_ack:1; /* bit 7 */
478 struct iwl3945_qos_info {
480 union iwl3945_qos_capabity qos_cap;
481 struct iwl3945_qosparam_cmd def_qos_parm;
484 #define STA_PS_STATUS_WAKE 0
485 #define STA_PS_STATUS_SLEEP 1
487 struct iwl3945_station_entry {
488 struct iwl3945_addsta_cmd sta;
489 struct iwl3945_tid_data tid[MAX_TID_COUNT];
499 struct iwl3945_hw_key keyinfo;
502 /* one for each uCode image (inst/data, boot/init/runtime) */
504 void *v_addr; /* access by driver */
505 dma_addr_t p_addr; /* access by card's busmaster DMA */
509 /* uCode file layout */
510 struct iwl3945_ucode {
511 __le32 ver; /* major/minor/API/serial */
512 __le32 inst_size; /* bytes of runtime instructions */
513 __le32 data_size; /* bytes of runtime data */
514 __le32 init_size; /* bytes of initialization instructions */
515 __le32 init_data_size; /* bytes of initialization data */
516 __le32 boot_size; /* bytes of bootstrap instructions */
517 u8 data[0]; /* data in same order as "size" elements */
520 struct iwl3945_ibss_seq {
524 unsigned long packet_time;
525 struct list_head list;
529 * struct iwl3945_driver_hw_info
530 * @max_txq_num: Max # Tx queues supported
531 * @tx_cmd_len: Size of Tx command (but not including frame itself)
532 * @tx_ant_num: Number of TX antennas
533 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
536 * @max_rxq_log: Log-base-2 of max_rxq_size
539 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
540 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
542 struct iwl3945_driver_hw_info {
553 dma_addr_t shared_phys;
556 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
557 x->u.rx_frame.stats.payload + \
558 x->u.rx_frame.stats.phy_count))
559 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
560 IWL_RX_HDR(x)->payload + \
561 le16_to_cpu(IWL_RX_HDR(x)->len)))
562 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
563 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
566 /******************************************************************************
568 * Functions implemented in iwl-base.c which are forward declared here
571 *****************************************************************************/
572 struct iwl3945_addsta_cmd;
573 extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
574 struct iwl3945_addsta_cmd *sta, u8 flags);
575 extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
576 int is_ap, u8 flags);
577 extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
578 extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
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,int left);
594 extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
595 struct iwl3945_rx_queue *q);
596 extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
597 extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
599 struct ieee80211_rx_status *stats);
600 extern const u8 iwl3945_broadcast_addr[ETH_ALEN];
603 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
604 * call this... todo... fix that.
606 extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id,
607 u16 tx_rate, u8 flags);
609 /******************************************************************************
611 * Functions implemented in iwl-[34]*.c which are forward declared here
612 * for use by iwl-base.c
614 * NOTE: The implementation of these functions are hardware specific
615 * which is why they are in the hardware specific files (vs. iwl-base.c)
617 * Naming convention --
618 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
619 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
620 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
621 * iwl3945_bg_ <-- Called from work queue context
622 * iwl3945_mac_ <-- mac80211 callback
624 ****************************************************************************/
625 extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv);
626 extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
627 extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
628 extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
629 extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
630 extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
631 extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
632 extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
633 extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
634 extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
635 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
636 dma_addr_t addr, u16 len);
637 extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
638 extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
639 extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
640 struct iwl3945_tx_queue *txq);
641 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
642 struct iwl3945_frame *frame, u8 rate);
643 extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
644 extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
645 struct iwl3945_cmd *cmd,
646 struct ieee80211_tx_info *info,
647 struct ieee80211_hdr *hdr,
648 int sta_id, int tx_id);
649 extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
650 extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
651 extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
652 struct iwl3945_rx_mem_buffer *rxb);
653 extern void iwl3945_disable_events(struct iwl3945_priv *priv);
654 extern int iwl4965_get_temperature(const struct iwl3945_priv *priv);
657 * iwl3945_hw_find_station - Find station id for a given BSSID
658 * @bssid: MAC address of station ID to find
660 * NOTE: This should not be hardware specific but the code has
661 * not yet been merged into a single common layer for managing the
664 extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid);
666 extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
669 * Forward declare iwl-3945.c functions for iwl-base.c
671 extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
672 extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
673 extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
674 extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
675 extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
676 u16 tx_rate, u8 flags);
679 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
682 MEASUREMENT_READY = (1 << 0),
683 MEASUREMENT_ACTIVE = (1 << 1),
688 #ifdef CONFIG_IWL3945_RFKILL
691 void iwl3945_rfkill_set_hw_state(struct iwl3945_priv *priv);
692 void iwl3945_rfkill_unregister(struct iwl3945_priv *priv);
693 int iwl3945_rfkill_init(struct iwl3945_priv *priv);
695 static inline void iwl3945_rfkill_set_hw_state(struct iwl3945_priv *priv) {}
696 static inline void iwl3945_rfkill_unregister(struct iwl3945_priv *priv) {}
697 static inline int iwl3945_rfkill_init(struct iwl3945_priv *priv) { return 0; }
700 #define IWL_MAX_NUM_QUEUES IWL39_MAX_NUM_QUEUES
702 struct iwl3945_priv {
704 /* ieee device used by generic ieee processing code */
705 struct ieee80211_hw *hw;
706 struct ieee80211_channel *ieee_channels;
707 struct ieee80211_rate *ieee_rates;
708 struct iwl_3945_cfg *cfg; /* device configuration */
710 /* temporary frame storage list */
711 struct list_head free_frames;
714 enum ieee80211_band band;
717 void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
718 struct iwl3945_rx_mem_buffer *rxb);
720 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
722 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
723 /* spectrum measurement report caching */
724 struct iwl3945_spectrum_notification measure_report;
725 u8 measurement_status;
727 /* ucode beacon time */
728 u32 ucode_beacon_time;
730 /* we allocate array of iwl3945_channel_info for NIC's valid channels.
731 * Access via channel # using indirect index array */
732 struct iwl3945_channel_info *channel_info; /* channel info array */
733 u8 channel_count; /* # of channels */
735 /* each calibration channel group in the EEPROM has a derived
736 * clip setting for each rate. */
737 const struct iwl3945_clip_group clip_groups[5];
739 /* thermal calibration */
740 s32 temperature; /* degrees Kelvin */
741 s32 last_temperature;
743 /* Scan related variables */
744 unsigned long last_scan_jiffies;
745 unsigned long next_scan_jiffies;
746 unsigned long scan_start;
747 unsigned long scan_pass_start;
748 unsigned long scan_start_tsf;
752 u8 direct_ssid[IW_ESSID_MAX_SIZE];
753 struct iwl3945_scan_cmd *scan;
756 spinlock_t lock; /* protect general shared data */
757 spinlock_t hcmd_lock; /* protect hcmd */
760 /* basic pci-network driver stuff */
761 struct pci_dev *pci_dev;
763 /* pci hardware address support */
764 void __iomem *hw_base;
766 /* uCode images, save to reload in case of failure */
767 u32 ucode_ver; /* ucode version, copy of
769 struct fw_desc ucode_code; /* runtime inst */
770 struct fw_desc ucode_data; /* runtime data original */
771 struct fw_desc ucode_data_backup; /* runtime data save/restore */
772 struct fw_desc ucode_init; /* initialization inst */
773 struct fw_desc ucode_init_data; /* initialization data */
774 struct fw_desc ucode_boot; /* bootstrap inst */
777 struct iwl3945_rxon_time_cmd rxon_timing;
779 /* We declare this const so it can only be
780 * changed via explicit cast within the
781 * routines that actually update the physical
783 const struct iwl3945_rxon_cmd active_rxon;
784 struct iwl3945_rxon_cmd staging_rxon;
786 int error_recovering;
787 struct iwl3945_rxon_cmd recovery_rxon;
789 /* 1st responses from initialize and runtime uCode images.
790 * 4965's initialize alive response contains some calibration data. */
791 struct iwl3945_init_alive_resp card_alive_init;
792 struct iwl3945_alive_resp card_alive;
794 #ifdef CONFIG_IWL3945_RFKILL
795 struct rfkill *rfkill;
798 #ifdef CONFIG_IWL3945_LEDS
799 struct iwl3945_led led[IWL_LED_TRG_MAX];
800 unsigned long last_blink_time;
803 unsigned int rxtxpackets;
809 u16 active_rate_basic;
813 u8 call_post_assoc_from_beacon;
814 /* Rate scaling data */
818 wait_queue_head_t wait_command_queue;
820 int activity_timer_active;
822 /* Rx and Tx DMA processing queues */
823 struct iwl3945_rx_queue rxq;
824 struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES];
826 unsigned long status;
828 int last_rx_rssi; /* From Rx packet statisitics */
829 int last_rx_noise; /* From beacon statistics */
831 struct iwl3945_power_mgr power_data;
833 struct iwl3945_notif_statistics statistics;
834 unsigned long last_statistics_time;
836 /* context information */
843 u8 mac_addr[ETH_ALEN];
845 /*station table variables */
848 struct iwl3945_station_entry stations[IWL_STATION_COUNT];
850 /* Indication if ieee80211_ops->open has been called */
853 u8 mac80211_registered;
855 /* Rx'd packet timing information */
856 u32 last_beacon_time;
860 struct iwl3945_eeprom eeprom;
862 enum nl80211_iftype iw_mode;
864 struct sk_buff *ibss_beacon;
866 /* Last Rx'd beacon timestamp */
870 struct iwl3945_driver_hw_info hw_setting;
871 struct ieee80211_vif *vif;
873 /* Current association information needed to configure the
876 u16 assoc_capability;
879 struct iwl3945_qos_info qos_data;
881 struct workqueue_struct *workqueue;
883 struct work_struct up;
884 struct work_struct restart;
885 struct work_struct calibrated_work;
886 struct work_struct scan_completed;
887 struct work_struct rx_replenish;
888 struct work_struct rf_kill;
889 struct work_struct abort_scan;
890 struct work_struct update_link_led;
891 struct work_struct auth_work;
892 struct work_struct report_work;
893 struct work_struct request_scan;
894 struct work_struct beacon_update;
896 struct tasklet_struct irq_tasklet;
898 struct delayed_work init_alive_start;
899 struct delayed_work alive_start;
900 struct delayed_work activity_timer;
901 struct delayed_work thermal_periodic;
902 struct delayed_work gather_stats;
903 struct delayed_work scan_check;
905 #define IWL_DEFAULT_TX_POWER 0x0F
906 s8 user_txpower_limit;
907 s8 max_channel_txpower_limit;
910 #ifdef CONFIG_IWL3945_DEBUG
913 atomic_t restrict_refcnt;
917 static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
919 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
922 static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
926 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
929 static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
931 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
934 static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info)
936 return ch_info->band == IEEE80211_BAND_5GHZ;
939 static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info)
941 return ch_info->band == IEEE80211_BAND_2GHZ;
944 static inline int is_channel_passive(const struct iwl3945_channel_info *ch)
946 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
949 static inline int is_channel_ibss(const struct iwl3945_channel_info *ch)
951 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
954 extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
955 const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel);
957 extern int iwl3945_rs_next_rate(struct iwl3945_priv *priv, int rate);
959 /* Requires full declaration of iwl3945_priv before including */
960 #include "iwl-3945-io.h"