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"
43 #include "iwl-3945-hw.h"
45 #include "iwl-3945-debug.h"
47 /* Default noise level to report when noise measurement is not available.
48 * This may be because we're:
49 * 1) Not associated (4965, no beacon statistics being sent to driver)
50 * 2) Scanning (noise measurement does not apply to associated channel)
51 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
52 * Use default noise value of -127 ... this is below the range of measurable
53 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
54 * Also, -127 works better than 0 when averaging frames with/without
55 * noise info (e.g. averaging might be done in app); measured dBm values are
56 * always negative ... using a negative value as the default keeps all
57 * averages within an s8's (used in some apps) range of negative values. */
58 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
60 /* Module parameters accessible from iwl-*.c */
61 extern int iwl3945_param_hwcrypto;
62 extern int iwl3945_param_queues_num;
64 enum iwl3945_antenna {
65 IWL_ANTENNA_DIVERSITY,
71 * RTS threshold here is total size [2347] minus 4 FCS bytes
73 * a value of 0 means RTS on all data/management packets
74 * a value > max MSDU size means no RTS
75 * else RTS for data/management frames where MPDU is larger
78 #define IWL_RX_BUF_SIZE 3000U
79 #define DEFAULT_RTS_THRESHOLD 2347U
80 #define MIN_RTS_THRESHOLD 0U
81 #define MAX_RTS_THRESHOLD 2347U
82 #define MAX_MSDU_SIZE 2304U
83 #define MAX_MPDU_SIZE 2346U
84 #define DEFAULT_BEACON_INTERVAL 100U
85 #define DEFAULT_SHORT_RETRY_LIMIT 7U
86 #define DEFAULT_LONG_RETRY_LIMIT 4U
88 struct iwl3945_rx_mem_buffer {
91 struct list_head list;
95 * Generic queue structure
97 * Contains common data for Rx and Tx queues
99 struct iwl3945_queue {
100 int n_bd; /* number of BDs in this queue */
101 int write_ptr; /* 1-st empty entry (index) host_w*/
102 int read_ptr; /* last used entry (index) host_r*/
103 dma_addr_t dma_addr; /* physical addr for BD's */
104 int n_window; /* safe queue window */
106 int low_mark; /* low watermark, resume queue if free
107 * space more than this */
108 int high_mark; /* high watermark, stop queue if free
109 * space less than this */
110 } __attribute__ ((packed));
112 #define MAX_NUM_OF_TBS (20)
114 /* One for each TFD */
115 struct iwl3945_tx_info {
116 struct ieee80211_tx_status status;
117 struct sk_buff *skb[MAX_NUM_OF_TBS];
121 * struct iwl3945_tx_queue - Tx Queue for DMA
122 * @q: generic Rx/Tx queue descriptor
123 * @bd: base of circular buffer of TFDs
124 * @cmd: array of command/Tx buffers
125 * @dma_addr_cmd: physical address of cmd/tx buffer array
126 * @txb: array of per-TFD driver data
127 * @need_update: indicates need to update read/write index
129 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
130 * descriptors) and required locking structures.
132 struct iwl3945_tx_queue {
133 struct iwl3945_queue q;
134 struct iwl3945_tfd_frame *bd;
135 struct iwl3945_cmd *cmd;
136 dma_addr_t dma_addr_cmd;
137 struct iwl3945_tx_info *txb;
142 #define IWL_NUM_SCAN_RATES (2)
144 struct iwl3945_channel_tgd_info {
149 struct iwl3945_channel_tgh_info {
153 /* current Tx power values to use, one for each rate for each channel.
154 * requested power is limited by:
155 * -- regulatory EEPROM limits for this channel
156 * -- hardware capabilities (clip-powers)
157 * -- spectrum management
158 * -- user preference (e.g. iwconfig)
159 * when requested power is set, base power index must also be set. */
160 struct iwl3945_channel_power_info {
161 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
162 s8 power_table_index; /* actual (compenst'd) index into gain table */
163 s8 base_power_index; /* gain index for power at factory temp. */
164 s8 requested_power; /* power (dBm) requested for this chnl/rate */
167 /* current scan Tx power values to use, one for each scan rate for each
169 struct iwl3945_scan_power_info {
170 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
171 s8 power_table_index; /* actual (compenst'd) index into gain table */
172 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
176 * One for each channel, holds all channel setup data
177 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
180 #define IWL4965_MAX_RATE (33)
182 struct iwl3945_channel_info {
183 struct iwl3945_channel_tgd_info tgd;
184 struct iwl3945_channel_tgh_info tgh;
185 struct iwl3945_eeprom_channel eeprom; /* EEPROM regulatory limit */
186 struct iwl3945_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
189 u8 channel; /* channel number */
190 u8 flags; /* flags copied from EEPROM */
191 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
192 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
193 s8 min_power; /* always 0 */
194 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
196 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
197 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
198 u8 phymode; /* MODE_IEEE80211{A,B,G} */
200 /* Radio/DSP gain settings for each "normal" data Tx rate.
201 * These include, in addition to RF and DSP gain, a few fields for
202 * remembering/modifying gain settings (indexes). */
203 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
205 /* Radio/DSP gain settings for each scan rate, for directed scans. */
206 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
209 struct iwl3945_clip_group {
210 /* maximum power level to prevent clipping for each rate, derived by
211 * us from this band's saturation power in EEPROM */
212 const s8 clip_powers[IWL_MAX_RATES];
215 #include "iwl-3945-rs.h"
217 #define IWL_TX_FIFO_AC0 0
218 #define IWL_TX_FIFO_AC1 1
219 #define IWL_TX_FIFO_AC2 2
220 #define IWL_TX_FIFO_AC3 3
221 #define IWL_TX_FIFO_HCCA_1 5
222 #define IWL_TX_FIFO_HCCA_2 6
223 #define IWL_TX_FIFO_NONE 7
225 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
226 #define IWL_MIN_NUM_QUEUES 4
228 /* Power management (not Tx power) structures */
230 struct iwl3945_power_vec_entry {
231 struct iwl3945_powertable_cmd cmd;
234 #define IWL_POWER_RANGE_0 (0)
235 #define IWL_POWER_RANGE_1 (1)
237 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
238 #define IWL_POWER_INDEX_3 0x03
239 #define IWL_POWER_INDEX_5 0x05
240 #define IWL_POWER_AC 0x06
241 #define IWL_POWER_BATTERY 0x07
242 #define IWL_POWER_LIMIT 0x07
243 #define IWL_POWER_MASK 0x0F
244 #define IWL_POWER_ENABLED 0x10
245 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
247 struct iwl3945_power_mgr {
249 struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC];
250 struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC];
255 #define IEEE80211_DATA_LEN 2304
256 #define IEEE80211_4ADDR_LEN 30
257 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
258 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
260 struct iwl3945_frame {
262 struct ieee80211_hdr frame;
263 struct iwl3945_tx_beacon_cmd beacon;
264 u8 raw[IEEE80211_FRAME_LEN];
267 struct list_head list;
270 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
271 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
272 #define SEQ_TO_INDEX(x) (x & 0xff)
273 #define INDEX_TO_SEQ(x) (x & 0xff)
274 #define SEQ_HUGE_FRAME (0x4000)
275 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
276 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
277 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
278 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
281 /* CMD_SIZE_NORMAL = 0, */
282 CMD_SIZE_HUGE = (1 << 0),
284 CMD_ASYNC = (1 << 1),
285 /* CMD_NO_SKB = 0, */
286 CMD_WANT_SKB = (1 << 2),
292 struct iwl3945_cmd_meta {
293 struct iwl3945_cmd_meta *source;
296 int (*callback)(struct iwl3945_priv *priv,
297 struct iwl3945_cmd *cmd, struct sk_buff *skb);
298 } __attribute__ ((packed)) u;
300 /* The CMD_SIZE_HUGE flag bit indicates that the command
301 * structure is stored at the end of the shared queue memory. */
304 } __attribute__ ((packed));
309 * For allocation of the command and tx queues, this establishes the overall
310 * size of the largest command we send to uCode, except for a scan command
311 * (which is relatively huge; space is allocated separately).
314 struct iwl3945_cmd_meta meta;
315 struct iwl3945_cmd_header hdr;
317 struct iwl3945_addsta_cmd addsta;
318 struct iwl3945_led_cmd led;
323 struct iwl3945_bt_cmd bt;
324 struct iwl3945_rxon_time_cmd rxon_time;
325 struct iwl3945_powertable_cmd powertable;
326 struct iwl3945_qosparam_cmd qosparam;
327 struct iwl3945_tx_cmd tx;
328 struct iwl3945_tx_beacon_cmd tx_beacon;
329 struct iwl3945_rxon_assoc_cmd rxon_assoc;
332 } __attribute__ ((packed)) cmd;
333 } __attribute__ ((packed));
335 struct iwl3945_host_cmd {
338 struct iwl3945_cmd_meta meta;
342 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
343 sizeof(struct iwl3945_cmd_meta))
346 * RX related structures and functions
348 #define RX_FREE_BUFFERS 64
349 #define RX_LOW_WATERMARK 8
351 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
352 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
353 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
356 * struct iwl3945_rx_queue - Rx queue
357 * @processed: Internal index to last handled Rx packet
358 * @read: Shared index to newest available Rx buffer
359 * @write: Shared index to oldest written Rx packet
360 * @free_count: Number of pre-allocated buffers in rx_free
361 * @rx_free: list of free SKBs for use
362 * @rx_used: List of Rx buffers with no SKB
363 * @need_update: flag to indicate we need to update read/write index
365 * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
367 struct iwl3945_rx_queue {
370 struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
371 struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE];
376 struct list_head rx_free;
377 struct list_head rx_used;
382 #define IWL_SUPPORTED_RATES_IE_LEN 8
384 #define SCAN_INTERVAL 100
386 #define MAX_A_CHANNELS 252
387 #define MIN_A_CHANNELS 7
389 #define MAX_B_CHANNELS 14
390 #define MIN_B_CHANNELS 1
392 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
393 #define STATUS_INT_ENABLED 1
394 #define STATUS_RF_KILL_HW 2
395 #define STATUS_RF_KILL_SW 3
396 #define STATUS_INIT 4
397 #define STATUS_ALIVE 5
398 #define STATUS_READY 6
399 #define STATUS_TEMPERATURE 7
400 #define STATUS_GEO_CONFIGURED 8
401 #define STATUS_EXIT_PENDING 9
402 #define STATUS_IN_SUSPEND 10
403 #define STATUS_STATISTICS 11
404 #define STATUS_SCANNING 12
405 #define STATUS_SCAN_ABORTING 13
406 #define STATUS_SCAN_HW 14
407 #define STATUS_POWER_PMI 15
408 #define STATUS_FW_ERROR 16
409 #define STATUS_CONF_PENDING 17
411 #define MAX_TID_COUNT 9
413 #define IWL_INVALID_RATE 0xFF
414 #define IWL_INVALID_VALUE -1
416 struct iwl3945_tid_data {
420 struct iwl3945_hw_key {
421 enum ieee80211_key_alg alg;
426 union iwl3945_ht_rate_supp {
434 #ifdef CONFIG_IWL3945_QOS
436 union iwl3945_qos_capabity {
438 u8 edca_count:4; /* bit 0-3 */
439 u8 q_ack:1; /* bit 4 */
440 u8 queue_request:1; /* bit 5 */
441 u8 txop_request:1; /* bit 6 */
442 u8 reserved:1; /* bit 7 */
445 u8 acvo_APSD:1; /* bit 0 */
446 u8 acvi_APSD:1; /* bit 1 */
447 u8 ac_bk_APSD:1; /* bit 2 */
448 u8 ac_be_APSD:1; /* bit 3 */
449 u8 q_ack:1; /* bit 4 */
450 u8 max_len:2; /* bit 5-6 */
451 u8 more_data_ack:1; /* bit 7 */
457 struct iwl3945_qos_info {
460 union iwl3945_qos_capabity qos_cap;
461 struct iwl3945_qosparam_cmd def_qos_parm;
463 #endif /*CONFIG_IWL3945_QOS */
465 #define STA_PS_STATUS_WAKE 0
466 #define STA_PS_STATUS_SLEEP 1
468 struct iwl3945_station_entry {
469 struct iwl3945_addsta_cmd sta;
470 struct iwl3945_tid_data tid[MAX_TID_COUNT];
480 struct iwl3945_hw_key keyinfo;
483 /* one for each uCode image (inst/data, boot/init/runtime) */
485 void *v_addr; /* access by driver */
486 dma_addr_t p_addr; /* access by card's busmaster DMA */
490 /* uCode file layout */
491 struct iwl3945_ucode {
492 __le32 ver; /* major/minor/subminor */
493 __le32 inst_size; /* bytes of runtime instructions */
494 __le32 data_size; /* bytes of runtime data */
495 __le32 init_size; /* bytes of initialization instructions */
496 __le32 init_data_size; /* bytes of initialization data */
497 __le32 boot_size; /* bytes of bootstrap instructions */
498 u8 data[0]; /* data in same order as "size" elements */
501 #define IWL_IBSS_MAC_HASH_SIZE 32
503 struct iwl3945_ibss_seq {
507 unsigned long packet_time;
508 struct list_head list;
512 * struct iwl3945_driver_hw_info
513 * @max_txq_num: Max # Tx queues supported
514 * @ac_queue_count: # Tx queues for EDCA Access Categories (AC)
515 * @tx_cmd_len: Size of Tx command (but not including frame itself)
516 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
519 * @max_rxq_log: Log-base-2 of max_rxq_size
522 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
523 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
525 struct iwl3945_driver_hw_info {
536 dma_addr_t shared_phys;
539 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
540 x->u.rx_frame.stats.payload + \
541 x->u.rx_frame.stats.phy_count))
542 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
543 IWL_RX_HDR(x)->payload + \
544 le16_to_cpu(IWL_RX_HDR(x)->len)))
545 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
546 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
549 /******************************************************************************
551 * Functions implemented in iwl-base.c which are forward declared here
554 *****************************************************************************/
555 struct iwl3945_addsta_cmd;
556 extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
557 struct iwl3945_addsta_cmd *sta, u8 flags);
558 extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
559 int is_ap, u8 flags);
560 extern int iwl3945_is_network_packet(struct iwl3945_priv *priv,
561 struct ieee80211_hdr *header);
562 extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
563 extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
564 #ifdef CONFIG_IWL3945_DEBUG
565 extern void iwl3945_report_frame(struct iwl3945_priv *priv,
566 struct iwl3945_rx_packet *pkt,
567 struct ieee80211_hdr *header, int group100);
569 static inline void iwl3945_report_frame(struct iwl3945_priv *priv,
570 struct iwl3945_rx_packet *pkt,
571 struct ieee80211_hdr *header,
574 extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv,
575 struct iwl3945_rx_mem_buffer *rxb,
576 void *data, short len,
577 struct ieee80211_rx_status *stats,
579 extern int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv,
580 struct ieee80211_hdr *header);
581 extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv);
582 extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv,
583 struct iwl3945_rx_queue *rxq);
584 extern int iwl3945_calc_db_from_ratio(int sig_ratio);
585 extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
586 extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv,
587 struct iwl3945_tx_queue *txq, int count, u32 id);
588 extern void iwl3945_rx_replenish(void *data);
589 extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
590 extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len,
592 extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv,
593 struct iwl3945_host_cmd *cmd);
594 extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
595 struct ieee80211_hdr *hdr,
596 const u8 *dest, int left);
597 extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
598 struct iwl3945_rx_queue *q);
599 extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
600 extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
602 struct ieee80211_rx_status *stats);
603 extern const u8 iwl3945_broadcast_addr[ETH_ALEN];
606 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
607 * call this... todo... fix that.
609 extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id,
610 u16 tx_rate, u8 flags);
612 /******************************************************************************
614 * Functions implemented in iwl-[34]*.c which are forward declared here
615 * for use by iwl-base.c
617 * NOTE: The implementation of these functions are hardware specific
618 * which is why they are in the hardware specific files (vs. iwl-base.c)
620 * Naming convention --
621 * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
622 * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
623 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
624 * iwl3945_bg_ <-- Called from work queue context
625 * iwl3945_mac_ <-- mac80211 callback
627 ****************************************************************************/
628 extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv);
629 extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
630 extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
631 extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
632 extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
633 extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
634 extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
635 extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
636 extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
637 extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
638 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
639 dma_addr_t addr, u16 len);
640 extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
641 extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
642 extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
643 struct iwl3945_tx_queue *txq);
644 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
645 struct iwl3945_frame *frame, u8 rate);
646 extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
647 extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
648 struct iwl3945_cmd *cmd,
649 struct ieee80211_tx_control *ctrl,
650 struct ieee80211_hdr *hdr,
651 int sta_id, int tx_id);
652 extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
653 extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
654 extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
655 struct iwl3945_rx_mem_buffer *rxb);
656 extern void iwl3945_disable_events(struct iwl3945_priv *priv);
657 extern int iwl4965_get_temperature(const struct iwl3945_priv *priv);
660 * iwl3945_hw_find_station - Find station id for a given BSSID
661 * @bssid: MAC address of station ID to find
663 * NOTE: This should not be hardware specific but the code has
664 * not yet been merged into a single common layer for managing the
667 extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid);
669 extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
672 * Forward declare iwl-3945.c functions for iwl-base.c
674 extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
675 extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
676 extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
677 extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
678 extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
679 u16 tx_rate, u8 flags);
682 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
685 MEASUREMENT_READY = (1 << 0),
686 MEASUREMENT_ACTIVE = (1 << 1),
691 struct iwl3945_priv {
693 /* ieee device used by generic ieee processing code */
694 struct ieee80211_hw *hw;
695 struct ieee80211_channel *ieee_channels;
696 struct ieee80211_rate *ieee_rates;
698 /* temporary frame storage list */
699 struct list_head free_frames;
706 void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
707 struct iwl3945_rx_mem_buffer *rxb);
709 const struct ieee80211_hw_mode *modes;
711 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
712 /* spectrum measurement report caching */
713 struct iwl3945_spectrum_notification measure_report;
714 u8 measurement_status;
716 /* ucode beacon time */
717 u32 ucode_beacon_time;
719 /* we allocate array of iwl3945_channel_info for NIC's valid channels.
720 * Access via channel # using indirect index array */
721 struct iwl3945_channel_info *channel_info; /* channel info array */
722 u8 channel_count; /* # of channels */
724 /* each calibration channel group in the EEPROM has a derived
725 * clip setting for each rate. */
726 const struct iwl3945_clip_group clip_groups[5];
728 /* thermal calibration */
729 s32 temperature; /* degrees Kelvin */
730 s32 last_temperature;
732 /* Scan related variables */
733 unsigned long last_scan_jiffies;
734 unsigned long next_scan_jiffies;
735 unsigned long scan_start;
736 unsigned long scan_pass_start;
737 unsigned long scan_start_tsf;
741 u8 direct_ssid[IW_ESSID_MAX_SIZE];
742 struct iwl3945_scan_cmd *scan;
743 u8 only_active_channel;
746 spinlock_t lock; /* protect general shared data */
747 spinlock_t hcmd_lock; /* protect hcmd */
750 /* basic pci-network driver stuff */
751 struct pci_dev *pci_dev;
753 /* pci hardware address support */
754 void __iomem *hw_base;
756 /* uCode images, save to reload in case of failure */
757 struct fw_desc ucode_code; /* runtime inst */
758 struct fw_desc ucode_data; /* runtime data original */
759 struct fw_desc ucode_data_backup; /* runtime data save/restore */
760 struct fw_desc ucode_init; /* initialization inst */
761 struct fw_desc ucode_init_data; /* initialization data */
762 struct fw_desc ucode_boot; /* bootstrap inst */
765 struct iwl3945_rxon_time_cmd rxon_timing;
767 /* We declare this const so it can only be
768 * changed via explicit cast within the
769 * routines that actually update the physical
771 const struct iwl3945_rxon_cmd active_rxon;
772 struct iwl3945_rxon_cmd staging_rxon;
774 int error_recovering;
775 struct iwl3945_rxon_cmd recovery_rxon;
777 /* 1st responses from initialize and runtime uCode images.
778 * 4965's initialize alive response contains some calibration data. */
779 struct iwl3945_init_alive_resp card_alive_init;
780 struct iwl3945_alive_resp card_alive;
783 /* LED related variables */
784 struct iwl3945_activity_blink activity;
785 unsigned long led_packets;
790 u16 active_rate_basic;
792 u8 call_post_assoc_from_beacon;
793 /* Rate scaling data */
797 wait_queue_head_t wait_command_queue;
799 int activity_timer_active;
801 /* Rx and Tx DMA processing queues */
802 struct iwl3945_rx_queue rxq;
803 struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES];
805 unsigned long status;
808 int last_rx_rssi; /* From Rx packet statisitics */
809 int last_rx_noise; /* From beacon statistics */
811 struct iwl3945_power_mgr power_data;
813 struct iwl3945_notif_statistics statistics;
814 unsigned long last_statistics_time;
816 /* context information */
817 u8 essid[IW_ESSID_MAX_SIZE];
825 u8 mac_addr[ETH_ALEN];
827 /*station table variables */
830 struct iwl3945_station_entry stations[IWL_STATION_COUNT];
832 /* Indication if ieee80211_ops->open has been called */
835 u8 mac80211_registered;
838 u32 notif_missed_beacons;
840 /* Rx'd packet timing information */
841 u32 last_beacon_time;
844 /* Duplicate packet detection */
847 unsigned long last_packet_time;
849 /* Hash table for finding stations in IBSS network */
850 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
853 struct iwl3945_eeprom eeprom;
857 struct sk_buff *ibss_beacon;
859 /* Last Rx'd beacon timestamp */
863 struct iwl3945_driver_hw_info hw_setting;
864 struct ieee80211_vif *vif;
866 /* Current association information needed to configure the
869 u16 assoc_capability;
872 #ifdef CONFIG_IWL3945_QOS
873 struct iwl3945_qos_info qos_data;
874 #endif /*CONFIG_IWL3945_QOS */
876 struct workqueue_struct *workqueue;
878 struct work_struct up;
879 struct work_struct restart;
880 struct work_struct calibrated_work;
881 struct work_struct scan_completed;
882 struct work_struct rx_replenish;
883 struct work_struct rf_kill;
884 struct work_struct abort_scan;
885 struct work_struct update_link_led;
886 struct work_struct auth_work;
887 struct work_struct report_work;
888 struct work_struct request_scan;
889 struct work_struct beacon_update;
891 struct tasklet_struct irq_tasklet;
893 struct delayed_work init_alive_start;
894 struct delayed_work alive_start;
895 struct delayed_work activity_timer;
896 struct delayed_work thermal_periodic;
897 struct delayed_work gather_stats;
898 struct delayed_work scan_check;
899 struct delayed_work post_associate;
901 #define IWL_DEFAULT_TX_POWER 0x0F
902 s8 user_txpower_limit;
903 s8 max_channel_txpower_limit;
909 #ifdef CONFIG_IWL3945_DEBUG
912 atomic_t restrict_refcnt;
916 static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
918 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
921 static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
925 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
928 static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info)
930 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
933 static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
935 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
938 static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info)
940 return ch_info->phymode == MODE_IEEE80211A;
943 static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info)
945 return ((ch_info->phymode == MODE_IEEE80211B) ||
946 (ch_info->phymode == MODE_IEEE80211G));
949 static inline int is_channel_passive(const struct iwl3945_channel_info *ch)
951 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
954 static inline int is_channel_ibss(const struct iwl3945_channel_info *ch)
956 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
959 static inline int iwl3945_rate_index_from_plcp(int plcp)
963 for (i = 0; i < IWL_RATE_COUNT; i++)
964 if (iwl3945_rates[i].plcp == plcp)
969 extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
970 const struct iwl3945_priv *priv, int phymode, u16 channel);
972 /* Requires full declaration of iwl3945_priv before including */
973 #include "iwl-3945-io.h"