1 /******************************************************************************
3 * Copyright(c) 2003 - 2007 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 #ifndef __iwl_3945_h__
28 #define __iwl_3945_h__
30 #include <linux/pci.h> /* for struct pci_device_id */
31 #include <linux/kernel.h>
32 #include <net/ieee80211_radiotap.h>
36 /* Hardware specific file defines the PCI IDs table for that hardware module */
37 extern struct pci_device_id iwl3945_hw_card_ids[];
39 #define DRV_NAME "iwl3945"
40 #include "iwl-3945-hw.h"
42 #include "iwl-3945-debug.h"
44 /* Default noise level to report when noise measurement is not available.
45 * This may be because we're:
46 * 1) Not associated (4965, no beacon statistics being sent to driver)
47 * 2) Scanning (noise measurement does not apply to associated channel)
48 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
49 * Use default noise value of -127 ... this is below the range of measurable
50 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
51 * Also, -127 works better than 0 when averaging frames with/without
52 * noise info (e.g. averaging might be done in app); measured dBm values are
53 * always negative ... using a negative value as the default keeps all
54 * averages within an s8's (used in some apps) range of negative values. */
55 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
57 /* Module parameters accessible from iwl-*.c */
58 extern int iwl3945_param_hwcrypto;
59 extern int iwl3945_param_queues_num;
61 enum iwl3945_antenna {
62 IWL_ANTENNA_DIVERSITY,
68 * RTS threshold here is total size [2347] minus 4 FCS bytes
70 * a value of 0 means RTS on all data/management packets
71 * a value > max MSDU size means no RTS
72 * else RTS for data/management frames where MPDU is larger
75 #define DEFAULT_RTS_THRESHOLD 2347U
76 #define MIN_RTS_THRESHOLD 0U
77 #define MAX_RTS_THRESHOLD 2347U
78 #define MAX_MSDU_SIZE 2304U
79 #define MAX_MPDU_SIZE 2346U
80 #define DEFAULT_BEACON_INTERVAL 100U
81 #define DEFAULT_SHORT_RETRY_LIMIT 7U
82 #define DEFAULT_LONG_RETRY_LIMIT 4U
84 struct iwl3945_rx_mem_buffer {
87 struct list_head list;
90 struct iwl3945_rt_rx_hdr {
91 struct ieee80211_radiotap_header rt_hdr;
92 __le64 rt_tsf; /* TSF */
93 u8 rt_flags; /* radiotap packet flags */
94 u8 rt_rate; /* rate in 500kb/s */
95 __le16 rt_channelMHz; /* channel in MHz */
96 __le16 rt_chbitmask; /* channel bitfield */
97 s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
99 u8 rt_antenna; /* antenna number */
100 u8 payload[0]; /* payload... */
101 } __attribute__ ((packed));
103 struct iwl3945_rt_tx_hdr {
104 struct ieee80211_radiotap_header rt_hdr;
105 u8 rt_rate; /* rate in 500kb/s */
106 __le16 rt_channel; /* channel in mHz */
107 __le16 rt_chbitmask; /* channel bitfield */
108 s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
109 u8 rt_antenna; /* antenna number */
110 u8 payload[0]; /* payload... */
111 } __attribute__ ((packed));
114 * Generic queue structure
116 * Contains common data for Rx and Tx queues
118 struct iwl3945_queue {
119 int n_bd; /* number of BDs in this queue */
120 int write_ptr; /* 1-st empty entry (index) host_w*/
121 int read_ptr; /* last used entry (index) host_r*/
122 dma_addr_t dma_addr; /* physical addr for BD's */
123 int n_window; /* safe queue window */
125 int low_mark; /* low watermark, resume queue if free
126 * space more than this */
127 int high_mark; /* high watermark, stop queue if free
128 * space less than this */
129 } __attribute__ ((packed));
131 #define MAX_NUM_OF_TBS (20)
133 /* One for each TFD */
134 struct iwl3945_tx_info {
135 struct ieee80211_tx_status status;
136 struct sk_buff *skb[MAX_NUM_OF_TBS];
140 * struct iwl3945_tx_queue - Tx Queue for DMA
141 * @q: generic Rx/Tx queue descriptor
142 * @bd: base of circular buffer of TFDs
143 * @cmd: array of command/Tx buffers
144 * @dma_addr_cmd: physical address of cmd/tx buffer array
145 * @txb: array of per-TFD driver data
146 * @need_update: indicates need to update read/write index
148 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
149 * descriptors) and required locking structures.
151 struct iwl3945_tx_queue {
152 struct iwl3945_queue q;
153 struct iwl3945_tfd_frame *bd;
154 struct iwl3945_cmd *cmd;
155 dma_addr_t dma_addr_cmd;
156 struct iwl3945_tx_info *txb;
161 #define IWL_NUM_SCAN_RATES (2)
163 struct iwl3945_channel_tgd_info {
168 struct iwl3945_channel_tgh_info {
172 /* current Tx power values to use, one for each rate for each channel.
173 * requested power is limited by:
174 * -- regulatory EEPROM limits for this channel
175 * -- hardware capabilities (clip-powers)
176 * -- spectrum management
177 * -- user preference (e.g. iwconfig)
178 * when requested power is set, base power index must also be set. */
179 struct iwl3945_channel_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 base_power_index; /* gain index for power at factory temp. */
183 s8 requested_power; /* power (dBm) requested for this chnl/rate */
186 /* current scan Tx power values to use, one for each scan rate for each
188 struct iwl3945_scan_power_info {
189 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
190 s8 power_table_index; /* actual (compenst'd) index into gain table */
191 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
195 * One for each channel, holds all channel setup data
196 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
199 #define IWL4965_MAX_RATE (33)
201 struct iwl3945_channel_info {
202 struct iwl3945_channel_tgd_info tgd;
203 struct iwl3945_channel_tgh_info tgh;
204 struct iwl3945_eeprom_channel eeprom; /* EEPROM regulatory limit */
205 struct iwl3945_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
208 u8 channel; /* channel number */
209 u8 flags; /* flags copied from EEPROM */
210 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
211 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
212 s8 min_power; /* always 0 */
213 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
215 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
216 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
217 u8 phymode; /* MODE_IEEE80211{A,B,G} */
219 /* Radio/DSP gain settings for each "normal" data Tx rate.
220 * These include, in addition to RF and DSP gain, a few fields for
221 * remembering/modifying gain settings (indexes). */
222 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
224 /* Radio/DSP gain settings for each scan rate, for directed scans. */
225 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
228 struct iwl3945_clip_group {
229 /* maximum power level to prevent clipping for each rate, derived by
230 * us from this band's saturation power in EEPROM */
231 const s8 clip_powers[IWL_MAX_RATES];
234 #include "iwl-3945-rs.h"
236 #define IWL_TX_FIFO_AC0 0
237 #define IWL_TX_FIFO_AC1 1
238 #define IWL_TX_FIFO_AC2 2
239 #define IWL_TX_FIFO_AC3 3
240 #define IWL_TX_FIFO_HCCA_1 5
241 #define IWL_TX_FIFO_HCCA_2 6
242 #define IWL_TX_FIFO_NONE 7
244 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
245 #define IWL_MIN_NUM_QUEUES 4
247 /* Power management (not Tx power) structures */
249 struct iwl3945_power_vec_entry {
250 struct iwl3945_powertable_cmd cmd;
253 #define IWL_POWER_RANGE_0 (0)
254 #define IWL_POWER_RANGE_1 (1)
256 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
257 #define IWL_POWER_INDEX_3 0x03
258 #define IWL_POWER_INDEX_5 0x05
259 #define IWL_POWER_AC 0x06
260 #define IWL_POWER_BATTERY 0x07
261 #define IWL_POWER_LIMIT 0x07
262 #define IWL_POWER_MASK 0x0F
263 #define IWL_POWER_ENABLED 0x10
264 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
266 struct iwl3945_power_mgr {
268 struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC];
269 struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC];
274 #define IEEE80211_DATA_LEN 2304
275 #define IEEE80211_4ADDR_LEN 30
276 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
277 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
279 struct iwl3945_frame {
281 struct ieee80211_hdr frame;
282 struct iwl3945_tx_beacon_cmd beacon;
283 u8 raw[IEEE80211_FRAME_LEN];
286 struct list_head list;
289 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
290 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
291 #define SEQ_TO_INDEX(x) (x & 0xff)
292 #define INDEX_TO_SEQ(x) (x & 0xff)
293 #define SEQ_HUGE_FRAME (0x4000)
294 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
295 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
296 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
297 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
300 /* CMD_SIZE_NORMAL = 0, */
301 CMD_SIZE_HUGE = (1 << 0),
303 CMD_ASYNC = (1 << 1),
304 /* CMD_NO_SKB = 0, */
305 CMD_WANT_SKB = (1 << 2),
311 struct iwl3945_cmd_meta {
312 struct iwl3945_cmd_meta *source;
315 int (*callback)(struct iwl3945_priv *priv,
316 struct iwl3945_cmd *cmd, struct sk_buff *skb);
317 } __attribute__ ((packed)) u;
319 /* The CMD_SIZE_HUGE flag bit indicates that the command
320 * structure is stored at the end of the shared queue memory. */
323 } __attribute__ ((packed));
328 * For allocation of the command and tx queues, this establishes the overall
329 * size of the largest command we send to uCode, except for a scan command
330 * (which is relatively huge; space is allocated separately).
333 struct iwl3945_cmd_meta meta;
334 struct iwl3945_cmd_header hdr;
336 struct iwl3945_addsta_cmd addsta;
337 struct iwl3945_led_cmd led;
342 struct iwl3945_bt_cmd bt;
343 struct iwl3945_rxon_time_cmd rxon_time;
344 struct iwl3945_powertable_cmd powertable;
345 struct iwl3945_qosparam_cmd qosparam;
346 struct iwl3945_tx_cmd tx;
347 struct iwl3945_tx_beacon_cmd tx_beacon;
348 struct iwl3945_rxon_assoc_cmd rxon_assoc;
351 } __attribute__ ((packed)) cmd;
352 } __attribute__ ((packed));
354 struct iwl3945_host_cmd {
357 struct iwl3945_cmd_meta meta;
361 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
362 sizeof(struct iwl3945_cmd_meta))
365 * RX related structures and functions
367 #define RX_FREE_BUFFERS 64
368 #define RX_LOW_WATERMARK 8
370 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
371 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
372 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
375 * struct iwl3945_rx_queue - Rx queue
376 * @processed: Internal index to last handled Rx packet
377 * @read: Shared index to newest available Rx buffer
378 * @write: Shared index to oldest written Rx packet
379 * @free_count: Number of pre-allocated buffers in rx_free
380 * @rx_free: list of free SKBs for use
381 * @rx_used: List of Rx buffers with no SKB
382 * @need_update: flag to indicate we need to update read/write index
384 * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
386 struct iwl3945_rx_queue {
389 struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
390 struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE];
395 struct list_head rx_free;
396 struct list_head rx_used;
401 #define IWL_SUPPORTED_RATES_IE_LEN 8
403 #define SCAN_INTERVAL 100
405 #define MAX_A_CHANNELS 252
406 #define MIN_A_CHANNELS 7
408 #define MAX_B_CHANNELS 14
409 #define MIN_B_CHANNELS 1
411 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
412 #define STATUS_INT_ENABLED 1
413 #define STATUS_RF_KILL_HW 2
414 #define STATUS_RF_KILL_SW 3
415 #define STATUS_INIT 4
416 #define STATUS_ALIVE 5
417 #define STATUS_READY 6
418 #define STATUS_TEMPERATURE 7
419 #define STATUS_GEO_CONFIGURED 8
420 #define STATUS_EXIT_PENDING 9
421 #define STATUS_IN_SUSPEND 10
422 #define STATUS_STATISTICS 11
423 #define STATUS_SCANNING 12
424 #define STATUS_SCAN_ABORTING 13
425 #define STATUS_SCAN_HW 14
426 #define STATUS_POWER_PMI 15
427 #define STATUS_FW_ERROR 16
429 #define MAX_TID_COUNT 9
431 #define IWL_INVALID_RATE 0xFF
432 #define IWL_INVALID_VALUE -1
434 struct iwl3945_tid_data {
438 struct iwl3945_hw_key {
439 enum ieee80211_key_alg alg;
444 union iwl3945_ht_rate_supp {
452 #ifdef CONFIG_IWL3945_QOS
454 union iwl3945_qos_capabity {
456 u8 edca_count:4; /* bit 0-3 */
457 u8 q_ack:1; /* bit 4 */
458 u8 queue_request:1; /* bit 5 */
459 u8 txop_request:1; /* bit 6 */
460 u8 reserved:1; /* bit 7 */
463 u8 acvo_APSD:1; /* bit 0 */
464 u8 acvi_APSD:1; /* bit 1 */
465 u8 ac_bk_APSD:1; /* bit 2 */
466 u8 ac_be_APSD:1; /* bit 3 */
467 u8 q_ack:1; /* bit 4 */
468 u8 max_len:2; /* bit 5-6 */
469 u8 more_data_ack:1; /* bit 7 */
475 struct iwl3945_qos_info {
478 union iwl3945_qos_capabity qos_cap;
479 struct iwl3945_qosparam_cmd def_qos_parm;
481 #endif /*CONFIG_IWL3945_QOS */
483 #define STA_PS_STATUS_WAKE 0
484 #define STA_PS_STATUS_SLEEP 1
486 struct iwl3945_station_entry {
487 struct iwl3945_addsta_cmd sta;
488 struct iwl3945_tid_data tid[MAX_TID_COUNT];
498 struct iwl3945_hw_key keyinfo;
501 /* one for each uCode image (inst/data, boot/init/runtime) */
503 void *v_addr; /* access by driver */
504 dma_addr_t p_addr; /* access by card's busmaster DMA */
508 /* uCode file layout */
509 struct iwl3945_ucode {
510 __le32 ver; /* major/minor/subminor */
511 __le32 inst_size; /* bytes of runtime instructions */
512 __le32 data_size; /* bytes of runtime data */
513 __le32 init_size; /* bytes of initialization instructions */
514 __le32 init_data_size; /* bytes of initialization data */
515 __le32 boot_size; /* bytes of bootstrap instructions */
516 u8 data[0]; /* data in same order as "size" elements */
519 #define IWL_IBSS_MAC_HASH_SIZE 32
521 struct iwl3945_ibss_seq {
525 unsigned long packet_time;
526 struct list_head list;
530 * struct iwl4965_driver_hw_info
531 * @max_txq_num: Max # Tx queues supported
532 * @ac_queue_count: # Tx queues for EDCA Access Categories (AC)
533 * @tx_cmd_len: Size of Tx command (but not including frame itself)
534 * @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 {
552 dma_addr_t shared_phys;
555 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
556 x->u.rx_frame.stats.payload + \
557 x->u.rx_frame.stats.phy_count))
558 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
559 IWL_RX_HDR(x)->payload + \
560 le16_to_cpu(IWL_RX_HDR(x)->len)))
561 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
562 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
565 /******************************************************************************
567 * Functions implemented in iwl-base.c which are forward declared here
570 *****************************************************************************/
571 struct iwl3945_addsta_cmd;
572 extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
573 struct iwl3945_addsta_cmd *sta, u8 flags);
574 extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
575 int is_ap, u8 flags);
576 extern int iwl3945_is_network_packet(struct iwl3945_priv *priv,
577 struct ieee80211_hdr *header);
578 extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
579 extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
580 #ifdef CONFIG_IWL3945_DEBUG
581 extern void iwl3945_report_frame(struct iwl3945_priv *priv,
582 struct iwl3945_rx_packet *pkt,
583 struct ieee80211_hdr *header, int group100);
585 static inline void iwl3945_report_frame(struct iwl3945_priv *priv,
586 struct iwl3945_rx_packet *pkt,
587 struct ieee80211_hdr *header,
590 extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv,
591 struct iwl3945_rx_mem_buffer *rxb,
592 void *data, short len,
593 struct ieee80211_rx_status *stats,
595 extern int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv,
596 struct ieee80211_hdr *header);
597 extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv);
598 extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv,
599 struct iwl3945_rx_queue *rxq);
600 extern int iwl3945_calc_db_from_ratio(int sig_ratio);
601 extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
602 extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv,
603 struct iwl3945_tx_queue *txq, int count, u32 id);
604 extern void iwl3945_rx_replenish(void *data);
605 extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
606 extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len,
608 extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv,
609 struct iwl3945_host_cmd *cmd);
610 extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
611 struct ieee80211_hdr *hdr,
612 const u8 *dest, int left);
613 extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
614 struct iwl3945_rx_queue *q);
615 extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
616 extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
618 struct ieee80211_rx_status *stats);
619 extern const u8 iwl3945_broadcast_addr[ETH_ALEN];
622 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
623 * call this... todo... fix that.
625 extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id,
626 u16 tx_rate, u8 flags);
628 /******************************************************************************
630 * Functions implemented in iwl-[34]*.c which are forward declared here
631 * for use by iwl-base.c
633 * NOTE: The implementation of these functions are hardware specific
634 * which is why they are in the hardware specific files (vs. iwl-base.c)
636 * Naming convention --
637 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
638 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
639 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
640 * iwl3945_bg_ <-- Called from work queue context
641 * iwl3945_mac_ <-- mac80211 callback
643 ****************************************************************************/
644 extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv);
645 extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
646 extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
647 extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
648 extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
649 extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
650 extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
651 extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
652 extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
653 extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
654 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
655 dma_addr_t addr, u16 len);
656 extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
657 extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
658 extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
659 struct iwl3945_tx_queue *txq);
660 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
661 struct iwl3945_frame *frame, u8 rate);
662 extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
663 extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
664 struct iwl3945_cmd *cmd,
665 struct ieee80211_tx_control *ctrl,
666 struct ieee80211_hdr *hdr,
667 int sta_id, int tx_id);
668 extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
669 extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
670 extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
671 struct iwl3945_rx_mem_buffer *rxb);
672 extern void iwl3945_disable_events(struct iwl3945_priv *priv);
673 extern int iwl4965_get_temperature(const struct iwl3945_priv *priv);
676 * iwl3945_hw_find_station - Find station id for a given BSSID
677 * @bssid: MAC address of station ID to find
679 * NOTE: This should not be hardware specific but the code has
680 * not yet been merged into a single common layer for managing the
683 extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid);
685 extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
688 * Forward declare iwl-3945.c functions for iwl-base.c
690 extern int iwl3945_eeprom_acquire_semaphore(struct iwl3945_priv *priv);
691 extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
692 extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
693 extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
694 extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
695 extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
696 u16 tx_rate, u8 flags);
699 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
702 MEASUREMENT_READY = (1 << 0),
703 MEASUREMENT_ACTIVE = (1 << 1),
708 struct iwl3945_priv {
710 /* ieee device used by generic ieee processing code */
711 struct ieee80211_hw *hw;
712 struct ieee80211_channel *ieee_channels;
713 struct ieee80211_rate *ieee_rates;
715 /* temporary frame storage list */
716 struct list_head free_frames;
722 void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
723 struct iwl3945_rx_mem_buffer *rxb);
725 const struct ieee80211_hw_mode *modes;
727 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
728 /* spectrum measurement report caching */
729 struct iwl3945_spectrum_notification measure_report;
730 u8 measurement_status;
732 /* ucode beacon time */
733 u32 ucode_beacon_time;
735 /* we allocate array of iwl3945_channel_info for NIC's valid channels.
736 * Access via channel # using indirect index array */
737 struct iwl3945_channel_info *channel_info; /* channel info array */
738 u8 channel_count; /* # of channels */
740 /* each calibration channel group in the EEPROM has a derived
741 * clip setting for each rate. */
742 const struct iwl3945_clip_group clip_groups[5];
744 /* thermal calibration */
745 s32 temperature; /* degrees Kelvin */
746 s32 last_temperature;
748 /* Scan related variables */
749 unsigned long last_scan_jiffies;
750 unsigned long scan_start;
751 unsigned long scan_pass_start;
752 unsigned long scan_start_tsf;
756 u8 direct_ssid[IW_ESSID_MAX_SIZE];
757 struct iwl3945_scan_cmd *scan;
758 u8 only_active_channel;
761 spinlock_t lock; /* protect general shared data */
762 spinlock_t hcmd_lock; /* protect hcmd */
765 /* basic pci-network driver stuff */
766 struct pci_dev *pci_dev;
768 /* pci hardware address support */
769 void __iomem *hw_base;
771 /* uCode images, save to reload in case of failure */
772 struct fw_desc ucode_code; /* runtime inst */
773 struct fw_desc ucode_data; /* runtime data original */
774 struct fw_desc ucode_data_backup; /* runtime data save/restore */
775 struct fw_desc ucode_init; /* initialization inst */
776 struct fw_desc ucode_init_data; /* initialization data */
777 struct fw_desc ucode_boot; /* bootstrap inst */
780 struct iwl3945_rxon_time_cmd rxon_timing;
782 /* We declare this const so it can only be
783 * changed via explicit cast within the
784 * routines that actually update the physical
786 const struct iwl3945_rxon_cmd active_rxon;
787 struct iwl3945_rxon_cmd staging_rxon;
789 int error_recovering;
790 struct iwl3945_rxon_cmd recovery_rxon;
792 /* 1st responses from initialize and runtime uCode images.
793 * 4965's initialize alive response contains some calibration data. */
794 struct iwl3945_init_alive_resp card_alive_init;
795 struct iwl3945_alive_resp card_alive;
798 /* LED related variables */
799 struct iwl3945_activity_blink activity;
800 unsigned long led_packets;
805 u16 active_rate_basic;
807 u8 call_post_assoc_from_beacon;
808 u8 assoc_station_added;
809 /* Rate scaling data */
813 wait_queue_head_t wait_command_queue;
815 int activity_timer_active;
817 /* Rx and Tx DMA processing queues */
818 struct iwl3945_rx_queue rxq;
819 struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES];
821 unsigned long status;
824 int last_rx_rssi; /* From Rx packet statisitics */
825 int last_rx_noise; /* From beacon statistics */
827 struct iwl3945_power_mgr power_data;
829 struct iwl3945_notif_statistics statistics;
830 unsigned long last_statistics_time;
832 /* context information */
833 u8 essid[IW_ESSID_MAX_SIZE];
841 u8 mac_addr[ETH_ALEN];
843 /*station table variables */
846 struct iwl3945_station_entry stations[IWL_STATION_COUNT];
848 /* Indication if ieee80211_ops->open has been called */
851 u8 mac80211_registered;
854 u32 notif_missed_beacons;
856 /* Rx'd packet timing information */
857 u32 last_beacon_time;
860 /* Duplicate packet detection */
863 unsigned long last_packet_time;
865 /* Hash table for finding stations in IBSS network */
866 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
869 struct iwl3945_eeprom eeprom;
873 struct sk_buff *ibss_beacon;
875 /* Last Rx'd beacon timestamp */
879 struct iwl3945_driver_hw_info hw_setting;
882 /* Current association information needed to configure the
885 u16 assoc_capability;
888 #ifdef CONFIG_IWL3945_QOS
889 struct iwl3945_qos_info qos_data;
890 #endif /*CONFIG_IWL3945_QOS */
892 struct workqueue_struct *workqueue;
894 struct work_struct up;
895 struct work_struct restart;
896 struct work_struct calibrated_work;
897 struct work_struct scan_completed;
898 struct work_struct rx_replenish;
899 struct work_struct rf_kill;
900 struct work_struct abort_scan;
901 struct work_struct update_link_led;
902 struct work_struct auth_work;
903 struct work_struct report_work;
904 struct work_struct request_scan;
905 struct work_struct beacon_update;
907 struct tasklet_struct irq_tasklet;
909 struct delayed_work init_alive_start;
910 struct delayed_work alive_start;
911 struct delayed_work activity_timer;
912 struct delayed_work thermal_periodic;
913 struct delayed_work gather_stats;
914 struct delayed_work scan_check;
915 struct delayed_work post_associate;
917 #define IWL_DEFAULT_TX_POWER 0x0F
918 s8 user_txpower_limit;
919 s8 max_channel_txpower_limit;
925 #ifdef CONFIG_IWL3945_DEBUG
928 atomic_t restrict_refcnt;
932 static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
934 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
937 static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
941 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
944 static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info)
946 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
949 static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
951 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
954 static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info)
956 return ch_info->phymode == MODE_IEEE80211A;
959 static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info)
961 return ((ch_info->phymode == MODE_IEEE80211B) ||
962 (ch_info->phymode == MODE_IEEE80211G));
965 static inline int is_channel_passive(const struct iwl3945_channel_info *ch)
967 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
970 static inline int is_channel_ibss(const struct iwl3945_channel_info *ch)
972 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
975 extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
976 const struct iwl3945_priv *priv, int phymode, u16 channel);
978 /* Requires full declaration of iwl3945_priv before including */
979 #include "iwl-3945-io.h"