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>
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"
48 /* Change firmware file name, using "-" and incrementing number,
49 * *only* when uCode interface or architecture changes so that it
50 * is not compatible with earlier drivers.
51 * This number will also appear in << 8 position of 1st dword of uCode file */
52 #define IWL3945_UCODE_API "-1"
54 /* Default noise level to report when noise measurement is not available.
55 * This may be because we're:
56 * 1) Not associated (4965, no beacon statistics being sent to driver)
57 * 2) Scanning (noise measurement does not apply to associated channel)
58 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
59 * Use default noise value of -127 ... this is below the range of measurable
60 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
61 * Also, -127 works better than 0 when averaging frames with/without
62 * noise info (e.g. averaging might be done in app); measured dBm values are
63 * always negative ... using a negative value as the default keeps all
64 * averages within an s8's (used in some apps) range of negative values. */
65 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
67 /* Module parameters accessible from iwl-*.c */
68 extern int iwl3945_param_hwcrypto;
69 extern int iwl3945_param_queues_num;
71 enum iwl3945_antenna {
72 IWL_ANTENNA_DIVERSITY,
78 * RTS threshold here is total size [2347] minus 4 FCS bytes
80 * a value of 0 means RTS on all data/management packets
81 * a value > max MSDU size means no RTS
82 * else RTS for data/management frames where MPDU is larger
85 #define IWL_RX_BUF_SIZE 3000U
86 #define DEFAULT_RTS_THRESHOLD 2347U
87 #define MIN_RTS_THRESHOLD 0U
88 #define MAX_RTS_THRESHOLD 2347U
89 #define MAX_MSDU_SIZE 2304U
90 #define MAX_MPDU_SIZE 2346U
91 #define DEFAULT_BEACON_INTERVAL 100U
92 #define DEFAULT_SHORT_RETRY_LIMIT 7U
93 #define DEFAULT_LONG_RETRY_LIMIT 4U
95 struct iwl3945_rx_mem_buffer {
98 struct list_head list;
102 * Generic queue structure
104 * Contains common data for Rx and Tx queues
106 struct iwl3945_queue {
107 int n_bd; /* number of BDs in this queue */
108 int write_ptr; /* 1-st empty entry (index) host_w*/
109 int read_ptr; /* last used entry (index) host_r*/
110 dma_addr_t dma_addr; /* physical addr for BD's */
111 int n_window; /* safe queue window */
113 int low_mark; /* low watermark, resume queue if free
114 * space more than this */
115 int high_mark; /* high watermark, stop queue if free
116 * space less than this */
117 } __attribute__ ((packed));
119 #define MAX_NUM_OF_TBS (20)
121 /* One for each TFD */
122 struct iwl3945_tx_info {
123 struct ieee80211_tx_status status;
124 struct sk_buff *skb[MAX_NUM_OF_TBS];
128 * struct iwl3945_tx_queue - Tx Queue for DMA
129 * @q: generic Rx/Tx queue descriptor
130 * @bd: base of circular buffer of TFDs
131 * @cmd: array of command/Tx buffers
132 * @dma_addr_cmd: physical address of cmd/tx buffer array
133 * @txb: array of per-TFD driver data
134 * @need_update: indicates need to update read/write index
136 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
137 * descriptors) and required locking structures.
139 struct iwl3945_tx_queue {
140 struct iwl3945_queue q;
141 struct iwl3945_tfd_frame *bd;
142 struct iwl3945_cmd *cmd;
143 dma_addr_t dma_addr_cmd;
144 struct iwl3945_tx_info *txb;
149 #define IWL_NUM_SCAN_RATES (2)
151 struct iwl3945_channel_tgd_info {
156 struct iwl3945_channel_tgh_info {
160 /* current Tx power values to use, one for each rate for each channel.
161 * requested power is limited by:
162 * -- regulatory EEPROM limits for this channel
163 * -- hardware capabilities (clip-powers)
164 * -- spectrum management
165 * -- user preference (e.g. iwconfig)
166 * when requested power is set, base power index must also be set. */
167 struct iwl3945_channel_power_info {
168 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
169 s8 power_table_index; /* actual (compenst'd) index into gain table */
170 s8 base_power_index; /* gain index for power at factory temp. */
171 s8 requested_power; /* power (dBm) requested for this chnl/rate */
174 /* current scan Tx power values to use, one for each scan rate for each
176 struct iwl3945_scan_power_info {
177 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
178 s8 power_table_index; /* actual (compenst'd) index into gain table */
179 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
183 * One for each channel, holds all channel setup data
184 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
187 #define IWL4965_MAX_RATE (33)
189 struct iwl3945_channel_info {
190 struct iwl3945_channel_tgd_info tgd;
191 struct iwl3945_channel_tgh_info tgh;
192 struct iwl3945_eeprom_channel eeprom; /* EEPROM regulatory limit */
193 struct iwl3945_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
196 u8 channel; /* channel number */
197 u8 flags; /* flags copied from EEPROM */
198 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
199 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
200 s8 min_power; /* always 0 */
201 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
203 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
204 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
205 enum ieee80211_band band;
207 /* Radio/DSP gain settings for each "normal" data Tx rate.
208 * These include, in addition to RF and DSP gain, a few fields for
209 * remembering/modifying gain settings (indexes). */
210 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
212 /* Radio/DSP gain settings for each scan rate, for directed scans. */
213 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
216 struct iwl3945_clip_group {
217 /* maximum power level to prevent clipping for each rate, derived by
218 * us from this band's saturation power in EEPROM */
219 const s8 clip_powers[IWL_MAX_RATES];
222 #include "iwl-3945-rs.h"
224 #define IWL_TX_FIFO_AC0 0
225 #define IWL_TX_FIFO_AC1 1
226 #define IWL_TX_FIFO_AC2 2
227 #define IWL_TX_FIFO_AC3 3
228 #define IWL_TX_FIFO_HCCA_1 5
229 #define IWL_TX_FIFO_HCCA_2 6
230 #define IWL_TX_FIFO_NONE 7
232 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
233 #define IWL_MIN_NUM_QUEUES 4
235 /* Power management (not Tx power) structures */
237 struct iwl3945_power_vec_entry {
238 struct iwl3945_powertable_cmd cmd;
241 #define IWL_POWER_RANGE_0 (0)
242 #define IWL_POWER_RANGE_1 (1)
244 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
245 #define IWL_POWER_INDEX_3 0x03
246 #define IWL_POWER_INDEX_5 0x05
247 #define IWL_POWER_AC 0x06
248 #define IWL_POWER_BATTERY 0x07
249 #define IWL_POWER_LIMIT 0x07
250 #define IWL_POWER_MASK 0x0F
251 #define IWL_POWER_ENABLED 0x10
252 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
254 struct iwl3945_power_mgr {
256 struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC];
257 struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC];
262 #define IEEE80211_DATA_LEN 2304
263 #define IEEE80211_4ADDR_LEN 30
264 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
265 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
267 struct iwl3945_frame {
269 struct ieee80211_hdr frame;
270 struct iwl3945_tx_beacon_cmd beacon;
271 u8 raw[IEEE80211_FRAME_LEN];
274 struct list_head list;
277 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
278 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
279 #define SEQ_TO_INDEX(x) (x & 0xff)
280 #define INDEX_TO_SEQ(x) (x & 0xff)
281 #define SEQ_HUGE_FRAME (0x4000)
282 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
283 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
284 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
285 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
288 /* CMD_SIZE_NORMAL = 0, */
289 CMD_SIZE_HUGE = (1 << 0),
291 CMD_ASYNC = (1 << 1),
292 /* CMD_NO_SKB = 0, */
293 CMD_WANT_SKB = (1 << 2),
299 struct iwl3945_cmd_meta {
300 struct iwl3945_cmd_meta *source;
303 int (*callback)(struct iwl3945_priv *priv,
304 struct iwl3945_cmd *cmd, struct sk_buff *skb);
305 } __attribute__ ((packed)) u;
307 /* The CMD_SIZE_HUGE flag bit indicates that the command
308 * structure is stored at the end of the shared queue memory. */
311 } __attribute__ ((packed));
316 * For allocation of the command and tx queues, this establishes the overall
317 * size of the largest command we send to uCode, except for a scan command
318 * (which is relatively huge; space is allocated separately).
321 struct iwl3945_cmd_meta meta;
322 struct iwl3945_cmd_header hdr;
324 struct iwl3945_addsta_cmd addsta;
325 struct iwl3945_led_cmd led;
330 struct iwl3945_bt_cmd bt;
331 struct iwl3945_rxon_time_cmd rxon_time;
332 struct iwl3945_powertable_cmd powertable;
333 struct iwl3945_qosparam_cmd qosparam;
334 struct iwl3945_tx_cmd tx;
335 struct iwl3945_tx_beacon_cmd tx_beacon;
336 struct iwl3945_rxon_assoc_cmd rxon_assoc;
339 } __attribute__ ((packed)) cmd;
340 } __attribute__ ((packed));
342 struct iwl3945_host_cmd {
345 struct iwl3945_cmd_meta meta;
349 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
350 sizeof(struct iwl3945_cmd_meta))
353 * RX related structures and functions
355 #define RX_FREE_BUFFERS 64
356 #define RX_LOW_WATERMARK 8
358 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
359 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
360 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
363 * struct iwl3945_rx_queue - Rx queue
364 * @processed: Internal index to last handled Rx packet
365 * @read: Shared index to newest available Rx buffer
366 * @write: Shared index to oldest written Rx packet
367 * @free_count: Number of pre-allocated buffers in rx_free
368 * @rx_free: list of free SKBs for use
369 * @rx_used: List of Rx buffers with no SKB
370 * @need_update: flag to indicate we need to update read/write index
372 * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
374 struct iwl3945_rx_queue {
377 struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
378 struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE];
383 struct list_head rx_free;
384 struct list_head rx_used;
389 #define IWL_SUPPORTED_RATES_IE_LEN 8
391 #define SCAN_INTERVAL 100
393 #define MAX_A_CHANNELS 252
394 #define MIN_A_CHANNELS 7
396 #define MAX_B_CHANNELS 14
397 #define MIN_B_CHANNELS 1
399 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
400 #define STATUS_INT_ENABLED 1
401 #define STATUS_RF_KILL_HW 2
402 #define STATUS_RF_KILL_SW 3
403 #define STATUS_INIT 4
404 #define STATUS_ALIVE 5
405 #define STATUS_READY 6
406 #define STATUS_TEMPERATURE 7
407 #define STATUS_GEO_CONFIGURED 8
408 #define STATUS_EXIT_PENDING 9
409 #define STATUS_IN_SUSPEND 10
410 #define STATUS_STATISTICS 11
411 #define STATUS_SCANNING 12
412 #define STATUS_SCAN_ABORTING 13
413 #define STATUS_SCAN_HW 14
414 #define STATUS_POWER_PMI 15
415 #define STATUS_FW_ERROR 16
416 #define STATUS_CONF_PENDING 17
418 #define MAX_TID_COUNT 9
420 #define IWL_INVALID_RATE 0xFF
421 #define IWL_INVALID_VALUE -1
423 struct iwl3945_tid_data {
427 struct iwl3945_hw_key {
428 enum ieee80211_key_alg alg;
433 union iwl3945_ht_rate_supp {
441 union iwl3945_qos_capabity {
443 u8 edca_count:4; /* bit 0-3 */
444 u8 q_ack:1; /* bit 4 */
445 u8 queue_request:1; /* bit 5 */
446 u8 txop_request:1; /* bit 6 */
447 u8 reserved:1; /* bit 7 */
450 u8 acvo_APSD:1; /* bit 0 */
451 u8 acvi_APSD:1; /* bit 1 */
452 u8 ac_bk_APSD:1; /* bit 2 */
453 u8 ac_be_APSD:1; /* bit 3 */
454 u8 q_ack:1; /* bit 4 */
455 u8 max_len:2; /* bit 5-6 */
456 u8 more_data_ack:1; /* bit 7 */
462 struct iwl3945_qos_info {
465 union iwl3945_qos_capabity qos_cap;
466 struct iwl3945_qosparam_cmd def_qos_parm;
469 #define STA_PS_STATUS_WAKE 0
470 #define STA_PS_STATUS_SLEEP 1
472 struct iwl3945_station_entry {
473 struct iwl3945_addsta_cmd sta;
474 struct iwl3945_tid_data tid[MAX_TID_COUNT];
484 struct iwl3945_hw_key keyinfo;
487 /* one for each uCode image (inst/data, boot/init/runtime) */
489 void *v_addr; /* access by driver */
490 dma_addr_t p_addr; /* access by card's busmaster DMA */
494 /* uCode file layout */
495 struct iwl3945_ucode {
496 __le32 ver; /* major/minor/subminor */
497 __le32 inst_size; /* bytes of runtime instructions */
498 __le32 data_size; /* bytes of runtime data */
499 __le32 init_size; /* bytes of initialization instructions */
500 __le32 init_data_size; /* bytes of initialization data */
501 __le32 boot_size; /* bytes of bootstrap instructions */
502 u8 data[0]; /* data in same order as "size" elements */
505 #define IWL_IBSS_MAC_HASH_SIZE 32
507 struct iwl3945_ibss_seq {
511 unsigned long packet_time;
512 struct list_head list;
516 * struct iwl3945_driver_hw_info
517 * @max_txq_num: Max # Tx queues supported
518 * @tx_cmd_len: Size of Tx command (but not including frame itself)
519 * @tx_ant_num: Number of TX antennas
520 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
523 * @max_rxq_log: Log-base-2 of max_rxq_size
526 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
527 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
529 struct iwl3945_driver_hw_info {
540 dma_addr_t shared_phys;
543 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
544 x->u.rx_frame.stats.payload + \
545 x->u.rx_frame.stats.phy_count))
546 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
547 IWL_RX_HDR(x)->payload + \
548 le16_to_cpu(IWL_RX_HDR(x)->len)))
549 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
550 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
553 /******************************************************************************
555 * Functions implemented in iwl-base.c which are forward declared here
558 *****************************************************************************/
559 struct iwl3945_addsta_cmd;
560 extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
561 struct iwl3945_addsta_cmd *sta, u8 flags);
562 extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
563 int is_ap, u8 flags);
564 extern int iwl3945_is_network_packet(struct iwl3945_priv *priv,
565 struct ieee80211_hdr *header);
566 extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
567 extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
568 extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv,
569 struct iwl3945_rx_mem_buffer *rxb,
570 void *data, short len,
571 struct ieee80211_rx_status *stats,
573 extern int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv,
574 struct ieee80211_hdr *header);
575 extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv);
576 extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv,
577 struct iwl3945_rx_queue *rxq);
578 extern int iwl3945_calc_db_from_ratio(int sig_ratio);
579 extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
580 extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv,
581 struct iwl3945_tx_queue *txq, int count, u32 id);
582 extern void iwl3945_rx_replenish(void *data);
583 extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
584 extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len,
586 extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv,
587 struct iwl3945_host_cmd *cmd);
588 extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
589 struct ieee80211_hdr *hdr,
590 const u8 *dest, int left);
591 extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
592 struct iwl3945_rx_queue *q);
593 extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
594 extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
596 struct ieee80211_rx_status *stats);
597 extern const u8 iwl3945_broadcast_addr[ETH_ALEN];
600 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
601 * call this... todo... fix that.
603 extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id,
604 u16 tx_rate, u8 flags);
606 /******************************************************************************
608 * Functions implemented in iwl-[34]*.c which are forward declared here
609 * for use by iwl-base.c
611 * NOTE: The implementation of these functions are hardware specific
612 * which is why they are in the hardware specific files (vs. iwl-base.c)
614 * Naming convention --
615 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
616 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
617 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
618 * iwl3945_bg_ <-- Called from work queue context
619 * iwl3945_mac_ <-- mac80211 callback
621 ****************************************************************************/
622 extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv);
623 extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
624 extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
625 extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
626 extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
627 extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
628 extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
629 extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
630 extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
631 extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
632 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
633 dma_addr_t addr, u16 len);
634 extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
635 extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
636 extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
637 struct iwl3945_tx_queue *txq);
638 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
639 struct iwl3945_frame *frame, u8 rate);
640 extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
641 extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
642 struct iwl3945_cmd *cmd,
643 struct ieee80211_tx_control *ctrl,
644 struct ieee80211_hdr *hdr,
645 int sta_id, int tx_id);
646 extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
647 extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
648 extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
649 struct iwl3945_rx_mem_buffer *rxb);
650 extern void iwl3945_disable_events(struct iwl3945_priv *priv);
651 extern int iwl4965_get_temperature(const struct iwl3945_priv *priv);
654 * iwl3945_hw_find_station - Find station id for a given BSSID
655 * @bssid: MAC address of station ID to find
657 * NOTE: This should not be hardware specific but the code has
658 * not yet been merged into a single common layer for managing the
661 extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid);
663 extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
666 * Forward declare iwl-3945.c functions for iwl-base.c
668 extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
669 extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
670 extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
671 extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
672 extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
673 u16 tx_rate, u8 flags);
676 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
679 MEASUREMENT_READY = (1 << 0),
680 MEASUREMENT_ACTIVE = (1 << 1),
685 struct iwl3945_priv {
687 /* ieee device used by generic ieee processing code */
688 struct ieee80211_hw *hw;
689 struct ieee80211_channel *ieee_channels;
690 struct ieee80211_rate *ieee_rates;
691 struct iwl_3945_cfg *cfg; /* device configuration */
693 /* temporary frame storage list */
694 struct list_head free_frames;
697 enum ieee80211_band band;
701 void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
702 struct iwl3945_rx_mem_buffer *rxb);
704 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
706 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
707 /* spectrum measurement report caching */
708 struct iwl3945_spectrum_notification measure_report;
709 u8 measurement_status;
711 /* ucode beacon time */
712 u32 ucode_beacon_time;
714 /* we allocate array of iwl3945_channel_info for NIC's valid channels.
715 * Access via channel # using indirect index array */
716 struct iwl3945_channel_info *channel_info; /* channel info array */
717 u8 channel_count; /* # of channels */
719 /* each calibration channel group in the EEPROM has a derived
720 * clip setting for each rate. */
721 const struct iwl3945_clip_group clip_groups[5];
723 /* thermal calibration */
724 s32 temperature; /* degrees Kelvin */
725 s32 last_temperature;
727 /* Scan related variables */
728 unsigned long last_scan_jiffies;
729 unsigned long next_scan_jiffies;
730 unsigned long scan_start;
731 unsigned long scan_pass_start;
732 unsigned long scan_start_tsf;
736 u8 direct_ssid[IW_ESSID_MAX_SIZE];
737 struct iwl3945_scan_cmd *scan;
738 u8 only_active_channel;
741 spinlock_t lock; /* protect general shared data */
742 spinlock_t hcmd_lock; /* protect hcmd */
745 /* basic pci-network driver stuff */
746 struct pci_dev *pci_dev;
748 /* pci hardware address support */
749 void __iomem *hw_base;
751 /* uCode images, save to reload in case of failure */
752 struct fw_desc ucode_code; /* runtime inst */
753 struct fw_desc ucode_data; /* runtime data original */
754 struct fw_desc ucode_data_backup; /* runtime data save/restore */
755 struct fw_desc ucode_init; /* initialization inst */
756 struct fw_desc ucode_init_data; /* initialization data */
757 struct fw_desc ucode_boot; /* bootstrap inst */
760 struct iwl3945_rxon_time_cmd rxon_timing;
762 /* We declare this const so it can only be
763 * changed via explicit cast within the
764 * routines that actually update the physical
766 const struct iwl3945_rxon_cmd active_rxon;
767 struct iwl3945_rxon_cmd staging_rxon;
769 int error_recovering;
770 struct iwl3945_rxon_cmd recovery_rxon;
772 /* 1st responses from initialize and runtime uCode images.
773 * 4965's initialize alive response contains some calibration data. */
774 struct iwl3945_init_alive_resp card_alive_init;
775 struct iwl3945_alive_resp card_alive;
778 /* LED related variables */
779 struct iwl3945_activity_blink activity;
780 unsigned long led_packets;
785 u16 active_rate_basic;
787 u8 call_post_assoc_from_beacon;
788 /* Rate scaling data */
792 wait_queue_head_t wait_command_queue;
794 int activity_timer_active;
796 /* Rx and Tx DMA processing queues */
797 struct iwl3945_rx_queue rxq;
798 struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES];
800 unsigned long status;
802 int last_rx_rssi; /* From Rx packet statisitics */
803 int last_rx_noise; /* From beacon statistics */
805 struct iwl3945_power_mgr power_data;
807 struct iwl3945_notif_statistics statistics;
808 unsigned long last_statistics_time;
810 /* context information */
811 u8 essid[IW_ESSID_MAX_SIZE];
819 u8 mac_addr[ETH_ALEN];
821 /*station table variables */
824 struct iwl3945_station_entry stations[IWL_STATION_COUNT];
826 /* Indication if ieee80211_ops->open has been called */
829 u8 mac80211_registered;
831 u32 notif_missed_beacons;
833 /* Rx'd packet timing information */
834 u32 last_beacon_time;
837 /* Duplicate packet detection */
840 unsigned long last_packet_time;
842 /* Hash table for finding stations in IBSS network */
843 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
846 struct iwl3945_eeprom eeprom;
850 struct sk_buff *ibss_beacon;
852 /* Last Rx'd beacon timestamp */
856 struct iwl3945_driver_hw_info hw_setting;
857 struct ieee80211_vif *vif;
859 /* Current association information needed to configure the
862 u16 assoc_capability;
865 struct iwl3945_qos_info qos_data;
867 struct workqueue_struct *workqueue;
869 struct work_struct up;
870 struct work_struct restart;
871 struct work_struct calibrated_work;
872 struct work_struct scan_completed;
873 struct work_struct rx_replenish;
874 struct work_struct rf_kill;
875 struct work_struct abort_scan;
876 struct work_struct update_link_led;
877 struct work_struct auth_work;
878 struct work_struct report_work;
879 struct work_struct request_scan;
880 struct work_struct beacon_update;
882 struct tasklet_struct irq_tasklet;
884 struct delayed_work init_alive_start;
885 struct delayed_work alive_start;
886 struct delayed_work activity_timer;
887 struct delayed_work thermal_periodic;
888 struct delayed_work gather_stats;
889 struct delayed_work scan_check;
890 struct delayed_work post_associate;
892 #define IWL_DEFAULT_TX_POWER 0x0F
893 s8 user_txpower_limit;
894 s8 max_channel_txpower_limit;
900 #ifdef CONFIG_IWL3945_DEBUG
903 atomic_t restrict_refcnt;
907 static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
909 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
912 static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
916 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
919 static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info)
921 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
924 static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
926 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
929 static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info)
931 return ch_info->band == IEEE80211_BAND_5GHZ;
934 static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info)
936 return ch_info->band == IEEE80211_BAND_2GHZ;
939 static inline int is_channel_passive(const struct iwl3945_channel_info *ch)
941 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
944 static inline int is_channel_ibss(const struct iwl3945_channel_info *ch)
946 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
949 extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
950 const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel);
952 /* Requires full declaration of iwl3945_priv before including */
953 #include "iwl-3945-io.h"