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 * 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>
41 /* Hardware specific file defines the PCI IDs table for that hardware module */
42 extern struct pci_device_id iwl3945_hw_card_ids[];
44 #define DRV_NAME "iwl3945"
45 #include "iwl-3945-hw.h"
47 #include "iwl-3945-debug.h"
49 /* Default noise level to report when noise measurement is not available.
50 * This may be because we're:
51 * 1) Not associated (4965, no beacon statistics being sent to driver)
52 * 2) Scanning (noise measurement does not apply to associated channel)
53 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
54 * Use default noise value of -127 ... this is below the range of measurable
55 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
56 * Also, -127 works better than 0 when averaging frames with/without
57 * noise info (e.g. averaging might be done in app); measured dBm values are
58 * always negative ... using a negative value as the default keeps all
59 * averages within an s8's (used in some apps) range of negative values. */
60 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
62 /* Module parameters accessible from iwl-*.c */
63 extern int iwl3945_param_hwcrypto;
64 extern int iwl3945_param_queues_num;
66 enum iwl3945_antenna {
67 IWL_ANTENNA_DIVERSITY,
73 * RTS threshold here is total size [2347] minus 4 FCS bytes
75 * a value of 0 means RTS on all data/management packets
76 * a value > max MSDU size means no RTS
77 * else RTS for data/management frames where MPDU is larger
80 #define DEFAULT_RTS_THRESHOLD 2347U
81 #define MIN_RTS_THRESHOLD 0U
82 #define MAX_RTS_THRESHOLD 2347U
83 #define MAX_MSDU_SIZE 2304U
84 #define MAX_MPDU_SIZE 2346U
85 #define DEFAULT_BEACON_INTERVAL 100U
86 #define DEFAULT_SHORT_RETRY_LIMIT 7U
87 #define DEFAULT_LONG_RETRY_LIMIT 4U
89 struct iwl3945_rx_mem_buffer {
92 struct list_head list;
95 struct iwl3945_rt_rx_hdr {
96 struct ieee80211_radiotap_header rt_hdr;
97 __le64 rt_tsf; /* TSF */
98 u8 rt_flags; /* radiotap packet flags */
99 u8 rt_rate; /* rate in 500kb/s */
100 __le16 rt_channelMHz; /* channel in MHz */
101 __le16 rt_chbitmask; /* channel bitfield */
102 s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
104 u8 rt_antenna; /* antenna number */
105 u8 payload[0]; /* payload... */
106 } __attribute__ ((packed));
108 struct iwl3945_rt_tx_hdr {
109 struct ieee80211_radiotap_header rt_hdr;
110 u8 rt_rate; /* rate in 500kb/s */
111 __le16 rt_channel; /* channel in mHz */
112 __le16 rt_chbitmask; /* channel bitfield */
113 s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
114 u8 rt_antenna; /* antenna number */
115 u8 payload[0]; /* payload... */
116 } __attribute__ ((packed));
119 * Generic queue structure
121 * Contains common data for Rx and Tx queues
123 struct iwl3945_queue {
124 int n_bd; /* number of BDs in this queue */
125 int write_ptr; /* 1-st empty entry (index) host_w*/
126 int read_ptr; /* last used entry (index) host_r*/
127 dma_addr_t dma_addr; /* physical addr for BD's */
128 int n_window; /* safe queue window */
130 int low_mark; /* low watermark, resume queue if free
131 * space more than this */
132 int high_mark; /* high watermark, stop queue if free
133 * space less than this */
134 } __attribute__ ((packed));
136 #define MAX_NUM_OF_TBS (20)
138 /* One for each TFD */
139 struct iwl3945_tx_info {
140 struct ieee80211_tx_status status;
141 struct sk_buff *skb[MAX_NUM_OF_TBS];
145 * struct iwl3945_tx_queue - Tx Queue for DMA
146 * @q: generic Rx/Tx queue descriptor
147 * @bd: base of circular buffer of TFDs
148 * @cmd: array of command/Tx buffers
149 * @dma_addr_cmd: physical address of cmd/tx buffer array
150 * @txb: array of per-TFD driver data
151 * @need_update: indicates need to update read/write index
153 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
154 * descriptors) and required locking structures.
156 struct iwl3945_tx_queue {
157 struct iwl3945_queue q;
158 struct iwl3945_tfd_frame *bd;
159 struct iwl3945_cmd *cmd;
160 dma_addr_t dma_addr_cmd;
161 struct iwl3945_tx_info *txb;
166 #define IWL_NUM_SCAN_RATES (2)
168 struct iwl3945_channel_tgd_info {
173 struct iwl3945_channel_tgh_info {
177 /* current Tx power values to use, one for each rate for each channel.
178 * requested power is limited by:
179 * -- regulatory EEPROM limits for this channel
180 * -- hardware capabilities (clip-powers)
181 * -- spectrum management
182 * -- user preference (e.g. iwconfig)
183 * when requested power is set, base power index must also be set. */
184 struct iwl3945_channel_power_info {
185 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
186 s8 power_table_index; /* actual (compenst'd) index into gain table */
187 s8 base_power_index; /* gain index for power at factory temp. */
188 s8 requested_power; /* power (dBm) requested for this chnl/rate */
191 /* current scan Tx power values to use, one for each scan rate for each
193 struct iwl3945_scan_power_info {
194 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
195 s8 power_table_index; /* actual (compenst'd) index into gain table */
196 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
200 * One for each channel, holds all channel setup data
201 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
204 #define IWL4965_MAX_RATE (33)
206 struct iwl3945_channel_info {
207 struct iwl3945_channel_tgd_info tgd;
208 struct iwl3945_channel_tgh_info tgh;
209 struct iwl3945_eeprom_channel eeprom; /* EEPROM regulatory limit */
210 struct iwl3945_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
213 u8 channel; /* channel number */
214 u8 flags; /* flags copied from EEPROM */
215 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
216 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
217 s8 min_power; /* always 0 */
218 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
220 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
221 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
222 u8 phymode; /* MODE_IEEE80211{A,B,G} */
224 /* Radio/DSP gain settings for each "normal" data Tx rate.
225 * These include, in addition to RF and DSP gain, a few fields for
226 * remembering/modifying gain settings (indexes). */
227 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
229 /* Radio/DSP gain settings for each scan rate, for directed scans. */
230 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
233 struct iwl3945_clip_group {
234 /* maximum power level to prevent clipping for each rate, derived by
235 * us from this band's saturation power in EEPROM */
236 const s8 clip_powers[IWL_MAX_RATES];
239 #include "iwl-3945-rs.h"
241 #define IWL_TX_FIFO_AC0 0
242 #define IWL_TX_FIFO_AC1 1
243 #define IWL_TX_FIFO_AC2 2
244 #define IWL_TX_FIFO_AC3 3
245 #define IWL_TX_FIFO_HCCA_1 5
246 #define IWL_TX_FIFO_HCCA_2 6
247 #define IWL_TX_FIFO_NONE 7
249 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
250 #define IWL_MIN_NUM_QUEUES 4
252 /* Power management (not Tx power) structures */
254 struct iwl3945_power_vec_entry {
255 struct iwl3945_powertable_cmd cmd;
258 #define IWL_POWER_RANGE_0 (0)
259 #define IWL_POWER_RANGE_1 (1)
261 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
262 #define IWL_POWER_INDEX_3 0x03
263 #define IWL_POWER_INDEX_5 0x05
264 #define IWL_POWER_AC 0x06
265 #define IWL_POWER_BATTERY 0x07
266 #define IWL_POWER_LIMIT 0x07
267 #define IWL_POWER_MASK 0x0F
268 #define IWL_POWER_ENABLED 0x10
269 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
271 struct iwl3945_power_mgr {
273 struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC];
274 struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC];
279 #define IEEE80211_DATA_LEN 2304
280 #define IEEE80211_4ADDR_LEN 30
281 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
282 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
284 struct iwl3945_frame {
286 struct ieee80211_hdr frame;
287 struct iwl3945_tx_beacon_cmd beacon;
288 u8 raw[IEEE80211_FRAME_LEN];
291 struct list_head list;
294 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
295 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
296 #define SEQ_TO_INDEX(x) (x & 0xff)
297 #define INDEX_TO_SEQ(x) (x & 0xff)
298 #define SEQ_HUGE_FRAME (0x4000)
299 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
300 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
301 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
302 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
305 /* CMD_SIZE_NORMAL = 0, */
306 CMD_SIZE_HUGE = (1 << 0),
308 CMD_ASYNC = (1 << 1),
309 /* CMD_NO_SKB = 0, */
310 CMD_WANT_SKB = (1 << 2),
316 struct iwl3945_cmd_meta {
317 struct iwl3945_cmd_meta *source;
320 int (*callback)(struct iwl3945_priv *priv,
321 struct iwl3945_cmd *cmd, struct sk_buff *skb);
322 } __attribute__ ((packed)) u;
324 /* The CMD_SIZE_HUGE flag bit indicates that the command
325 * structure is stored at the end of the shared queue memory. */
328 } __attribute__ ((packed));
333 * For allocation of the command and tx queues, this establishes the overall
334 * size of the largest command we send to uCode, except for a scan command
335 * (which is relatively huge; space is allocated separately).
338 struct iwl3945_cmd_meta meta;
339 struct iwl3945_cmd_header hdr;
341 struct iwl3945_addsta_cmd addsta;
342 struct iwl3945_led_cmd led;
347 struct iwl3945_bt_cmd bt;
348 struct iwl3945_rxon_time_cmd rxon_time;
349 struct iwl3945_powertable_cmd powertable;
350 struct iwl3945_qosparam_cmd qosparam;
351 struct iwl3945_tx_cmd tx;
352 struct iwl3945_tx_beacon_cmd tx_beacon;
353 struct iwl3945_rxon_assoc_cmd rxon_assoc;
356 } __attribute__ ((packed)) cmd;
357 } __attribute__ ((packed));
359 struct iwl3945_host_cmd {
362 struct iwl3945_cmd_meta meta;
366 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
367 sizeof(struct iwl3945_cmd_meta))
370 * RX related structures and functions
372 #define RX_FREE_BUFFERS 64
373 #define RX_LOW_WATERMARK 8
375 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
376 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
377 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
380 * struct iwl3945_rx_queue - Rx queue
381 * @processed: Internal index to last handled Rx packet
382 * @read: Shared index to newest available Rx buffer
383 * @write: Shared index to oldest written Rx packet
384 * @free_count: Number of pre-allocated buffers in rx_free
385 * @rx_free: list of free SKBs for use
386 * @rx_used: List of Rx buffers with no SKB
387 * @need_update: flag to indicate we need to update read/write index
389 * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
391 struct iwl3945_rx_queue {
394 struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
395 struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE];
400 struct list_head rx_free;
401 struct list_head rx_used;
406 #define IWL_SUPPORTED_RATES_IE_LEN 8
408 #define SCAN_INTERVAL 100
410 #define MAX_A_CHANNELS 252
411 #define MIN_A_CHANNELS 7
413 #define MAX_B_CHANNELS 14
414 #define MIN_B_CHANNELS 1
416 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
417 #define STATUS_INT_ENABLED 1
418 #define STATUS_RF_KILL_HW 2
419 #define STATUS_RF_KILL_SW 3
420 #define STATUS_INIT 4
421 #define STATUS_ALIVE 5
422 #define STATUS_READY 6
423 #define STATUS_TEMPERATURE 7
424 #define STATUS_GEO_CONFIGURED 8
425 #define STATUS_EXIT_PENDING 9
426 #define STATUS_IN_SUSPEND 10
427 #define STATUS_STATISTICS 11
428 #define STATUS_SCANNING 12
429 #define STATUS_SCAN_ABORTING 13
430 #define STATUS_SCAN_HW 14
431 #define STATUS_POWER_PMI 15
432 #define STATUS_FW_ERROR 16
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 #ifdef CONFIG_IWL3945_QOS
459 union iwl3945_qos_capabity {
461 u8 edca_count:4; /* bit 0-3 */
462 u8 q_ack:1; /* bit 4 */
463 u8 queue_request:1; /* bit 5 */
464 u8 txop_request:1; /* bit 6 */
465 u8 reserved:1; /* bit 7 */
468 u8 acvo_APSD:1; /* bit 0 */
469 u8 acvi_APSD:1; /* bit 1 */
470 u8 ac_bk_APSD:1; /* bit 2 */
471 u8 ac_be_APSD:1; /* bit 3 */
472 u8 q_ack:1; /* bit 4 */
473 u8 max_len:2; /* bit 5-6 */
474 u8 more_data_ack:1; /* bit 7 */
480 struct iwl3945_qos_info {
483 union iwl3945_qos_capabity qos_cap;
484 struct iwl3945_qosparam_cmd def_qos_parm;
486 #endif /*CONFIG_IWL3945_QOS */
488 #define STA_PS_STATUS_WAKE 0
489 #define STA_PS_STATUS_SLEEP 1
491 struct iwl3945_station_entry {
492 struct iwl3945_addsta_cmd sta;
493 struct iwl3945_tid_data tid[MAX_TID_COUNT];
503 struct iwl3945_hw_key keyinfo;
506 /* one for each uCode image (inst/data, boot/init/runtime) */
508 void *v_addr; /* access by driver */
509 dma_addr_t p_addr; /* access by card's busmaster DMA */
513 /* uCode file layout */
514 struct iwl3945_ucode {
515 __le32 ver; /* major/minor/subminor */
516 __le32 inst_size; /* bytes of runtime instructions */
517 __le32 data_size; /* bytes of runtime data */
518 __le32 init_size; /* bytes of initialization instructions */
519 __le32 init_data_size; /* bytes of initialization data */
520 __le32 boot_size; /* bytes of bootstrap instructions */
521 u8 data[0]; /* data in same order as "size" elements */
524 #define IWL_IBSS_MAC_HASH_SIZE 32
526 struct iwl3945_ibss_seq {
530 unsigned long packet_time;
531 struct list_head list;
535 * struct iwl4965_driver_hw_info
536 * @max_txq_num: Max # Tx queues supported
537 * @ac_queue_count: # Tx queues for EDCA Access Categories (AC)
538 * @tx_cmd_len: Size of Tx command (but not including frame itself)
539 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
541 * @max_rxq_log: Log-base-2 of max_rxq_size
544 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
545 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
547 struct iwl3945_driver_hw_info {
557 dma_addr_t shared_phys;
560 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
561 x->u.rx_frame.stats.payload + \
562 x->u.rx_frame.stats.phy_count))
563 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
564 IWL_RX_HDR(x)->payload + \
565 le16_to_cpu(IWL_RX_HDR(x)->len)))
566 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
567 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
570 /******************************************************************************
572 * Functions implemented in iwl-base.c which are forward declared here
575 *****************************************************************************/
576 struct iwl3945_addsta_cmd;
577 extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
578 struct iwl3945_addsta_cmd *sta, u8 flags);
579 extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
580 int is_ap, u8 flags);
581 extern int iwl3945_is_network_packet(struct iwl3945_priv *priv,
582 struct ieee80211_hdr *header);
583 extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
584 extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
585 #ifdef CONFIG_IWL3945_DEBUG
586 extern void iwl3945_report_frame(struct iwl3945_priv *priv,
587 struct iwl3945_rx_packet *pkt,
588 struct ieee80211_hdr *header, int group100);
590 static inline void iwl3945_report_frame(struct iwl3945_priv *priv,
591 struct iwl3945_rx_packet *pkt,
592 struct ieee80211_hdr *header,
595 extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv,
596 struct iwl3945_rx_mem_buffer *rxb,
597 void *data, short len,
598 struct ieee80211_rx_status *stats,
600 extern int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv,
601 struct ieee80211_hdr *header);
602 extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv);
603 extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv,
604 struct iwl3945_rx_queue *rxq);
605 extern int iwl3945_calc_db_from_ratio(int sig_ratio);
606 extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
607 extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv,
608 struct iwl3945_tx_queue *txq, int count, u32 id);
609 extern void iwl3945_rx_replenish(void *data);
610 extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
611 extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len,
613 extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv,
614 struct iwl3945_host_cmd *cmd);
615 extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
616 struct ieee80211_hdr *hdr,
617 const u8 *dest, int left);
618 extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
619 struct iwl3945_rx_queue *q);
620 extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
621 extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
623 struct ieee80211_rx_status *stats);
624 extern const u8 iwl3945_broadcast_addr[ETH_ALEN];
627 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
628 * call this... todo... fix that.
630 extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id,
631 u16 tx_rate, u8 flags);
633 /******************************************************************************
635 * Functions implemented in iwl-[34]*.c which are forward declared here
636 * for use by iwl-base.c
638 * NOTE: The implementation of these functions are hardware specific
639 * which is why they are in the hardware specific files (vs. iwl-base.c)
641 * Naming convention --
642 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
643 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
644 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
645 * iwl3945_bg_ <-- Called from work queue context
646 * iwl3945_mac_ <-- mac80211 callback
648 ****************************************************************************/
649 extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv);
650 extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
651 extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
652 extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
653 extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
654 extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
655 extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
656 extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
657 extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
658 extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
659 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
660 dma_addr_t addr, u16 len);
661 extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
662 extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
663 extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
664 struct iwl3945_tx_queue *txq);
665 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
666 struct iwl3945_frame *frame, u8 rate);
667 extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
668 extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
669 struct iwl3945_cmd *cmd,
670 struct ieee80211_tx_control *ctrl,
671 struct ieee80211_hdr *hdr,
672 int sta_id, int tx_id);
673 extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
674 extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
675 extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
676 struct iwl3945_rx_mem_buffer *rxb);
677 extern void iwl3945_disable_events(struct iwl3945_priv *priv);
678 extern int iwl4965_get_temperature(const struct iwl3945_priv *priv);
681 * iwl3945_hw_find_station - Find station id for a given BSSID
682 * @bssid: MAC address of station ID to find
684 * NOTE: This should not be hardware specific but the code has
685 * not yet been merged into a single common layer for managing the
688 extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid);
690 extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
693 * Forward declare iwl-3945.c functions for iwl-base.c
695 extern int iwl3945_eeprom_acquire_semaphore(struct iwl3945_priv *priv);
696 extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
697 extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
698 extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
699 extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
700 extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
701 u16 tx_rate, u8 flags);
704 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
707 MEASUREMENT_READY = (1 << 0),
708 MEASUREMENT_ACTIVE = (1 << 1),
713 struct iwl3945_priv {
715 /* ieee device used by generic ieee processing code */
716 struct ieee80211_hw *hw;
717 struct ieee80211_channel *ieee_channels;
718 struct ieee80211_rate *ieee_rates;
720 /* temporary frame storage list */
721 struct list_head free_frames;
727 void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
728 struct iwl3945_rx_mem_buffer *rxb);
730 const struct ieee80211_hw_mode *modes;
732 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
733 /* spectrum measurement report caching */
734 struct iwl3945_spectrum_notification measure_report;
735 u8 measurement_status;
737 /* ucode beacon time */
738 u32 ucode_beacon_time;
740 /* we allocate array of iwl3945_channel_info for NIC's valid channels.
741 * Access via channel # using indirect index array */
742 struct iwl3945_channel_info *channel_info; /* channel info array */
743 u8 channel_count; /* # of channels */
745 /* each calibration channel group in the EEPROM has a derived
746 * clip setting for each rate. */
747 const struct iwl3945_clip_group clip_groups[5];
749 /* thermal calibration */
750 s32 temperature; /* degrees Kelvin */
751 s32 last_temperature;
753 /* Scan related variables */
754 unsigned long last_scan_jiffies;
755 unsigned long scan_start;
756 unsigned long scan_pass_start;
757 unsigned long scan_start_tsf;
761 u8 direct_ssid[IW_ESSID_MAX_SIZE];
762 struct iwl3945_scan_cmd *scan;
763 u8 only_active_channel;
766 spinlock_t lock; /* protect general shared data */
767 spinlock_t hcmd_lock; /* protect hcmd */
770 /* basic pci-network driver stuff */
771 struct pci_dev *pci_dev;
773 /* pci hardware address support */
774 void __iomem *hw_base;
776 /* uCode images, save to reload in case of failure */
777 struct fw_desc ucode_code; /* runtime inst */
778 struct fw_desc ucode_data; /* runtime data original */
779 struct fw_desc ucode_data_backup; /* runtime data save/restore */
780 struct fw_desc ucode_init; /* initialization inst */
781 struct fw_desc ucode_init_data; /* initialization data */
782 struct fw_desc ucode_boot; /* bootstrap inst */
785 struct iwl3945_rxon_time_cmd rxon_timing;
787 /* We declare this const so it can only be
788 * changed via explicit cast within the
789 * routines that actually update the physical
791 const struct iwl3945_rxon_cmd active_rxon;
792 struct iwl3945_rxon_cmd staging_rxon;
794 int error_recovering;
795 struct iwl3945_rxon_cmd recovery_rxon;
797 /* 1st responses from initialize and runtime uCode images.
798 * 4965's initialize alive response contains some calibration data. */
799 struct iwl3945_init_alive_resp card_alive_init;
800 struct iwl3945_alive_resp card_alive;
803 /* LED related variables */
804 struct iwl3945_activity_blink activity;
805 unsigned long led_packets;
810 u16 active_rate_basic;
812 u8 call_post_assoc_from_beacon;
813 u8 assoc_station_added;
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;
829 int last_rx_rssi; /* From Rx packet statisitics */
830 int last_rx_noise; /* From beacon statistics */
832 struct iwl3945_power_mgr power_data;
834 struct iwl3945_notif_statistics statistics;
835 unsigned long last_statistics_time;
837 /* context information */
838 u8 essid[IW_ESSID_MAX_SIZE];
846 u8 mac_addr[ETH_ALEN];
848 /*station table variables */
851 struct iwl3945_station_entry stations[IWL_STATION_COUNT];
853 /* Indication if ieee80211_ops->open has been called */
856 u8 mac80211_registered;
859 u32 notif_missed_beacons;
861 /* Rx'd packet timing information */
862 u32 last_beacon_time;
865 /* Duplicate packet detection */
868 unsigned long last_packet_time;
870 /* Hash table for finding stations in IBSS network */
871 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
874 struct iwl3945_eeprom eeprom;
878 struct sk_buff *ibss_beacon;
880 /* Last Rx'd beacon timestamp */
884 struct iwl3945_driver_hw_info hw_setting;
887 /* Current association information needed to configure the
890 u16 assoc_capability;
893 #ifdef CONFIG_IWL3945_QOS
894 struct iwl3945_qos_info qos_data;
895 #endif /*CONFIG_IWL3945_QOS */
897 struct workqueue_struct *workqueue;
899 struct work_struct up;
900 struct work_struct restart;
901 struct work_struct calibrated_work;
902 struct work_struct scan_completed;
903 struct work_struct rx_replenish;
904 struct work_struct rf_kill;
905 struct work_struct abort_scan;
906 struct work_struct update_link_led;
907 struct work_struct auth_work;
908 struct work_struct report_work;
909 struct work_struct request_scan;
910 struct work_struct beacon_update;
912 struct tasklet_struct irq_tasklet;
914 struct delayed_work init_alive_start;
915 struct delayed_work alive_start;
916 struct delayed_work activity_timer;
917 struct delayed_work thermal_periodic;
918 struct delayed_work gather_stats;
919 struct delayed_work scan_check;
920 struct delayed_work post_associate;
922 #define IWL_DEFAULT_TX_POWER 0x0F
923 s8 user_txpower_limit;
924 s8 max_channel_txpower_limit;
930 #ifdef CONFIG_IWL3945_DEBUG
933 atomic_t restrict_refcnt;
937 static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
939 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
942 static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
946 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
949 static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info)
951 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
954 static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
956 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
959 static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info)
961 return ch_info->phymode == MODE_IEEE80211A;
964 static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info)
966 return ((ch_info->phymode == MODE_IEEE80211B) ||
967 (ch_info->phymode == MODE_IEEE80211G));
970 static inline int is_channel_passive(const struct iwl3945_channel_info *ch)
972 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
975 static inline int is_channel_ibss(const struct iwl3945_channel_info *ch)
977 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
980 extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
981 const struct iwl3945_priv *priv, int phymode, u16 channel);
983 /* Requires full declaration of iwl3945_priv before including */
984 #include "iwl-3945-io.h"