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diff --git a/drivers/net/wireless/iwlwifi/iwlwifi.h b/drivers/net/wireless/iwlwifi/iwlwifi.h
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1/******************************************************************************
2 *
3 * Copyright(c) 2003 - 2007 Intel Corporation. All rights reserved.
4 *
5 * Portions of this file are derived from the ipw3945 project, as well
6 * as portions of the ieee80211 subsystem header files.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of version 2 of the GNU General Public License as
10 * published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
20 *
21 * The full GNU General Public License is included in this distribution in the
22 * file called LICENSE.
23 *
24 * Contact Information:
25 * James P. Ketrenos <ipw2100-admin@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *
28 *****************************************************************************/
29
30#ifndef __iwlwifi_h__
31#define __iwlwifi_h__
32
33#include <linux/pci.h> /* for struct pci_device_id */
34#include <linux/kernel.h>
35#include <net/ieee80211_radiotap.h>
36
37struct iwl_priv;
38
39/* Hardware specific file defines the PCI IDs table for that hardware module */
40extern struct pci_device_id iwl_hw_card_ids[];
41
42#if IWL == 3945
43
44#define DRV_NAME "iwl3945"
45#include "iwl-hw.h"
46#include "iwl-3945-hw.h"
47
48#elif IWL == 4965
49
50#define DRV_NAME "iwl4965"
51#include "iwl-hw.h"
52#include "iwl-4965-hw.h"
53
54#endif
55
56#include "iwl-prph.h"
57
58/*
59 * Driver implementation data structures, constants, inline
60 * functions
61 *
62 * NOTE: DO NOT PUT HARDWARE/UCODE SPECIFIC DECLRATIONS HERE
63 *
64 * Hardware specific declrations go into iwl-*hw.h
65 *
66 */
67
68#include "iwl-debug.h"
69
70/* Default noise level to report when noise measurement is not available.
71 * This may be because we're:
72 * 1) Not associated (4965, no beacon statistics being sent to driver)
73 * 2) Scanning (noise measurement does not apply to associated channel)
74 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
75 * Use default noise value of -127 ... this is below the range of measurable
76 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
77 * Also, -127 works better than 0 when averaging frames with/without
78 * noise info (e.g. averaging might be done in app); measured dBm values are
79 * always negative ... using a negative value as the default keeps all
80 * averages within an s8's (used in some apps) range of negative values. */
81#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
82
83/* Module parameters accessible from iwl-*.c */
84extern int iwl_param_disable_hw_scan;
85extern int iwl_param_debug;
86extern int iwl_param_mode;
87extern int iwl_param_disable;
88extern int iwl_param_antenna;
89extern int iwl_param_hwcrypto;
90extern int iwl_param_qos_enable;
91extern int iwl_param_queues_num;
92
93enum iwl_antenna {
94 IWL_ANTENNA_DIVERSITY,
95 IWL_ANTENNA_MAIN,
96 IWL_ANTENNA_AUX
97};
98
99/*
100 * RTS threshold here is total size [2347] minus 4 FCS bytes
101 * Per spec:
102 * a value of 0 means RTS on all data/management packets
103 * a value > max MSDU size means no RTS
104 * else RTS for data/management frames where MPDU is larger
105 * than RTS value.
106 */
107#define DEFAULT_RTS_THRESHOLD 2347U
108#define MIN_RTS_THRESHOLD 0U
109#define MAX_RTS_THRESHOLD 2347U
110#define MAX_MSDU_SIZE 2304U
111#define MAX_MPDU_SIZE 2346U
112#define DEFAULT_BEACON_INTERVAL 100U
113#define DEFAULT_SHORT_RETRY_LIMIT 7U
114#define DEFAULT_LONG_RETRY_LIMIT 4U
115
116struct iwl_rx_mem_buffer {
117 dma_addr_t dma_addr;
118 struct sk_buff *skb;
119 struct list_head list;
120};
121
122struct iwl_rt_rx_hdr {
123 struct ieee80211_radiotap_header rt_hdr;
124 __le64 rt_tsf; /* TSF */
125 u8 rt_flags; /* radiotap packet flags */
126 u8 rt_rate; /* rate in 500kb/s */
127 __le16 rt_channelMHz; /* channel in MHz */
128 __le16 rt_chbitmask; /* channel bitfield */
129 s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
130 s8 rt_dbmnoise;
131 u8 rt_antenna; /* antenna number */
132 u8 payload[0]; /* payload... */
133} __attribute__ ((packed));
134
135struct iwl_rt_tx_hdr {
136 struct ieee80211_radiotap_header rt_hdr;
137 u8 rt_rate; /* rate in 500kb/s */
138 __le16 rt_channel; /* channel in mHz */
139 __le16 rt_chbitmask; /* channel bitfield */
140 s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
141 u8 rt_antenna; /* antenna number */
142 u8 payload[0]; /* payload... */
143} __attribute__ ((packed));
144
145/*
146 * Generic queue structure
147 *
148 * Contains common data for Rx and Tx queues
149 */
150struct iwl_queue {
151 int n_bd; /* number of BDs in this queue */
152 int first_empty; /* 1-st empty entry (index) host_w*/
153 int last_used; /* last used entry (index) host_r*/
154 dma_addr_t dma_addr; /* physical addr for BD's */
155 int n_window; /* safe queue window */
156 u32 id;
157 int low_mark; /* low watermark, resume queue if free
158 * space more than this */
159 int high_mark; /* high watermark, stop queue if free
160 * space less than this */
161} __attribute__ ((packed));
162
163#define MAX_NUM_OF_TBS (20)
164
165struct iwl_tx_info {
166 struct ieee80211_tx_status status;
167 struct sk_buff *skb[MAX_NUM_OF_TBS];
168};
169
170/**
171 * struct iwl_tx_queue - Tx Queue for DMA
172 * @need_update: need to update read/write index
173 * @shed_retry: queue is HT AGG enabled
174 *
175 * Queue consists of circular buffer of BD's and required locking structures.
176 */
177struct iwl_tx_queue {
178 struct iwl_queue q;
179 struct iwl_tfd_frame *bd;
180 struct iwl_cmd *cmd;
181 dma_addr_t dma_addr_cmd;
182 struct iwl_tx_info *txb;
183 int need_update;
184 int sched_retry;
185 int active;
186};
187
188#include "iwl-channel.h"
189
190#if IWL == 3945
191#include "iwl-3945-rs.h"
192#else
193#include "iwl-4965-rs.h"
194#endif
195
196#define IWL_TX_FIFO_AC0 0
197#define IWL_TX_FIFO_AC1 1
198#define IWL_TX_FIFO_AC2 2
199#define IWL_TX_FIFO_AC3 3
200#define IWL_TX_FIFO_HCCA_1 5
201#define IWL_TX_FIFO_HCCA_2 6
202#define IWL_TX_FIFO_NONE 7
203
204/* Minimum number of queues. MAX_NUM is defined in hw specific files */
205#define IWL_MIN_NUM_QUEUES 4
206
207/* Power management (not Tx power) structures */
208
209struct iwl_power_vec_entry {
210 struct iwl_powertable_cmd cmd;
211 u8 no_dtim;
212};
213#define IWL_POWER_RANGE_0 (0)
214#define IWL_POWER_RANGE_1 (1)
215
216#define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
217#define IWL_POWER_INDEX_3 0x03
218#define IWL_POWER_INDEX_5 0x05
219#define IWL_POWER_AC 0x06
220#define IWL_POWER_BATTERY 0x07
221#define IWL_POWER_LIMIT 0x07
222#define IWL_POWER_MASK 0x0F
223#define IWL_POWER_ENABLED 0x10
224#define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
225
226struct iwl_power_mgr {
227 spinlock_t lock;
228 struct iwl_power_vec_entry pwr_range_0[IWL_POWER_AC];
229 struct iwl_power_vec_entry pwr_range_1[IWL_POWER_AC];
230 u8 active_index;
231 u32 dtim_val;
232};
233
234#define IEEE80211_DATA_LEN 2304
235#define IEEE80211_4ADDR_LEN 30
236#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
237#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
238
239struct iwl_frame {
240 union {
241 struct ieee80211_hdr frame;
242 struct iwl_tx_beacon_cmd beacon;
243 u8 raw[IEEE80211_FRAME_LEN];
244 u8 cmd[360];
245 } u;
246 struct list_head list;
247};
248
249#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
250#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
251#define SEQ_TO_INDEX(x) (x & 0xff)
252#define INDEX_TO_SEQ(x) (x & 0xff)
253#define SEQ_HUGE_FRAME (0x4000)
254#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
255#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
256#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
257#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
258
259enum {
260 /* CMD_SIZE_NORMAL = 0, */
261 CMD_SIZE_HUGE = (1 << 0),
262 /* CMD_SYNC = 0, */
263 CMD_ASYNC = (1 << 1),
264 /* CMD_NO_SKB = 0, */
265 CMD_WANT_SKB = (1 << 2),
266};
267
268struct iwl_cmd;
269struct iwl_priv;
270
271struct iwl_cmd_meta {
272 struct iwl_cmd_meta *source;
273 union {
274 struct sk_buff *skb;
275 int (*callback)(struct iwl_priv *priv,
276 struct iwl_cmd *cmd, struct sk_buff *skb);
277 } __attribute__ ((packed)) u;
278
279 /* The CMD_SIZE_HUGE flag bit indicates that the command
280 * structure is stored at the end of the shared queue memory. */
281 u32 flags;
282
283} __attribute__ ((packed));
284
285struct iwl_cmd {
286 struct iwl_cmd_meta meta;
287 struct iwl_cmd_header hdr;
288 union {
289 struct iwl_addsta_cmd addsta;
290 struct iwl_led_cmd led;
291 u32 flags;
292 u8 val8;
293 u16 val16;
294 u32 val32;
295 struct iwl_bt_cmd bt;
296 struct iwl_rxon_time_cmd rxon_time;
297 struct iwl_powertable_cmd powertable;
298 struct iwl_qosparam_cmd qosparam;
299 struct iwl_tx_cmd tx;
300 struct iwl_tx_beacon_cmd tx_beacon;
301 struct iwl_rxon_assoc_cmd rxon_assoc;
302 u8 *indirect;
303 u8 payload[360];
304 } __attribute__ ((packed)) cmd;
305} __attribute__ ((packed));
306
307struct iwl_host_cmd {
308 u8 id;
309 u16 len;
310 struct iwl_cmd_meta meta;
311 const void *data;
312};
313
314#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
315 sizeof(struct iwl_cmd_meta))
316
317/*
318 * RX related structures and functions
319 */
320#define RX_FREE_BUFFERS 64
321#define RX_LOW_WATERMARK 8
322
323#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
324#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
325#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
326
327/**
328 * struct iwl_rx_queue - Rx queue
329 * @processed: Internal index to last handled Rx packet
330 * @read: Shared index to newest available Rx buffer
331 * @write: Shared index to oldest written Rx packet
332 * @free_count: Number of pre-allocated buffers in rx_free
333 * @rx_free: list of free SKBs for use
334 * @rx_used: List of Rx buffers with no SKB
335 * @need_update: flag to indicate we need to update read/write index
336 *
337 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
338 */
339struct iwl_rx_queue {
340 __le32 *bd;
341 dma_addr_t dma_addr;
342 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
343 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
344 u32 processed;
345 u32 read;
346 u32 write;
347 u32 free_count;
348 struct list_head rx_free;
349 struct list_head rx_used;
350 int need_update;
351 spinlock_t lock;
352};
353
354#define IWL_SUPPORTED_RATES_IE_LEN 8
355
356#define SCAN_INTERVAL 100
357
358#define MAX_A_CHANNELS 252
359#define MIN_A_CHANNELS 7
360
361#define MAX_B_CHANNELS 14
362#define MIN_B_CHANNELS 1
363
364#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
365#define STATUS_INT_ENABLED 1
366#define STATUS_RF_KILL_HW 2
367#define STATUS_RF_KILL_SW 3
368#define STATUS_INIT 4
369#define STATUS_ALIVE 5
370#define STATUS_READY 6
371#define STATUS_TEMPERATURE 7
372#define STATUS_GEO_CONFIGURED 8
373#define STATUS_EXIT_PENDING 9
374#define STATUS_IN_SUSPEND 10
375#define STATUS_STATISTICS 11
376#define STATUS_SCANNING 12
377#define STATUS_SCAN_ABORTING 13
378#define STATUS_SCAN_HW 14
379#define STATUS_POWER_PMI 15
380#define STATUS_FW_ERROR 16
381
382#define MAX_TID_COUNT 9
383
384#define IWL_INVALID_RATE 0xFF
385#define IWL_INVALID_VALUE -1
386
387#if IWL == 4965
388#ifdef CONFIG_IWLWIFI_HT
389#ifdef CONFIG_IWLWIFI_HT_AGG
390struct iwl_ht_agg {
391 u16 txq_id;
392 u16 frame_count;
393 u16 wait_for_ba;
394 u16 start_idx;
395 u32 bitmap0;
396 u32 bitmap1;
397 u32 rate_n_flags;
398};
399#endif /* CONFIG_IWLWIFI_HT_AGG */
400#endif /* CONFIG_IWLWIFI_HT */
401#endif
402
403struct iwl_tid_data {
404 u16 seq_number;
405#if IWL == 4965
406#ifdef CONFIG_IWLWIFI_HT
407#ifdef CONFIG_IWLWIFI_HT_AGG
408 struct iwl_ht_agg agg;
409#endif /* CONFIG_IWLWIFI_HT_AGG */
410#endif /* CONFIG_IWLWIFI_HT */
411#endif
412};
413
414struct iwl_hw_key {
415 ieee80211_key_alg alg;
416 int keylen;
417 u8 key[32];
418};
419
420union iwl_ht_rate_supp {
421 u16 rates;
422 struct {
423 u8 siso_rate;
424 u8 mimo_rate;
425 };
426};
427
428#ifdef CONFIG_IWLWIFI_HT
429#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
430#define HT_IE_MAX_AMSDU_SIZE_4K (0)
431#define CFG_HT_MPDU_DENSITY_2USEC (0x5)
432#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
433
434struct sta_ht_info {
435 u8 is_ht;
436 u16 rx_mimo_ps_mode;
437 u16 tx_mimo_ps_mode;
438 u16 control_channel;
439 u8 max_amsdu_size;
440 u8 ampdu_factor;
441 u8 mpdu_density;
442 u8 operating_mode;
443 u8 supported_chan_width;
444 u8 extension_chan_offset;
445 u8 is_green_field;
446 u8 sgf;
447 u8 supp_rates[16];
448 u8 tx_chan_width;
449 u8 chan_width_cap;
450};
451#endif /*CONFIG_IWLWIFI_HT */
452
453#ifdef CONFIG_IWLWIFI_QOS
454
455union iwl_qos_capabity {
456 struct {
457 u8 edca_count:4; /* bit 0-3 */
458 u8 q_ack:1; /* bit 4 */
459 u8 queue_request:1; /* bit 5 */
460 u8 txop_request:1; /* bit 6 */
461 u8 reserved:1; /* bit 7 */
462 } q_AP;
463 struct {
464 u8 acvo_APSD:1; /* bit 0 */
465 u8 acvi_APSD:1; /* bit 1 */
466 u8 ac_bk_APSD:1; /* bit 2 */
467 u8 ac_be_APSD:1; /* bit 3 */
468 u8 q_ack:1; /* bit 4 */
469 u8 max_len:2; /* bit 5-6 */
470 u8 more_data_ack:1; /* bit 7 */
471 } q_STA;
472 u8 val;
473};
474
475/* QoS sturctures */
476struct iwl_qos_info {
477 int qos_enable;
478 int qos_active;
479 union iwl_qos_capabity qos_cap;
480 struct iwl_qosparam_cmd def_qos_parm;
481};
482#endif /*CONFIG_IWLWIFI_QOS */
483
484#define STA_PS_STATUS_WAKE 0
485#define STA_PS_STATUS_SLEEP 1
486
487struct iwl_station_entry {
488 struct iwl_addsta_cmd sta;
489 struct iwl_tid_data tid[MAX_TID_COUNT];
490#if IWL == 3945
491 union {
492 struct {
493 u8 rate;
494 u8 flags;
495 } s;
496 u16 rate_n_flags;
497 } current_rate;
498#endif
499 u8 used;
500 u8 ps_status;
501 struct iwl_hw_key keyinfo;
502};
503
504/* one for each uCode image (inst/data, boot/init/runtime) */
505struct fw_image_desc {
506 void *v_addr; /* access by driver */
507 dma_addr_t p_addr; /* access by card's busmaster DMA */
508 u32 len; /* bytes */
509};
510
511/* uCode file layout */
512struct iwl_ucode {
513 __le32 ver; /* major/minor/subminor */
514 __le32 inst_size; /* bytes of runtime instructions */
515 __le32 data_size; /* bytes of runtime data */
516 __le32 init_size; /* bytes of initialization instructions */
517 __le32 init_data_size; /* bytes of initialization data */
518 __le32 boot_size; /* bytes of bootstrap instructions */
519 u8 data[0]; /* data in same order as "size" elements */
520};
521
522#define IWL_IBSS_MAC_HASH_SIZE 32
523
524struct iwl_ibss_seq {
525 u8 mac[ETH_ALEN];
526 u16 seq_num;
527 u16 frag_num;
528 unsigned long packet_time;
529 struct list_head list;
530};
531
532struct iwl_driver_hw_info {
533 u16 max_txq_num;
534 u16 ac_queue_count;
535 u32 rx_buffer_size;
536 u16 tx_cmd_len;
537 u16 max_rxq_size;
538 u16 max_rxq_log;
539 u32 cck_flag;
540 u8 max_stations;
541 u8 bcast_sta_id;
542 void *shared_virt;
543 dma_addr_t shared_phys;
544};
545
546
547#define STA_FLG_RTS_MIMO_PROT_MSK __constant_cpu_to_le32(1 << 17)
548#define STA_FLG_AGG_MPDU_8US_MSK __constant_cpu_to_le32(1 << 18)
549#define STA_FLG_MAX_AGG_SIZE_POS (19)
550#define STA_FLG_MAX_AGG_SIZE_MSK __constant_cpu_to_le32(3 << 19)
551#define STA_FLG_FAT_EN_MSK __constant_cpu_to_le32(1 << 21)
552#define STA_FLG_MIMO_DIS_MSK __constant_cpu_to_le32(1 << 22)
553#define STA_FLG_AGG_MPDU_DENSITY_POS (23)
554#define STA_FLG_AGG_MPDU_DENSITY_MSK __constant_cpu_to_le32(7 << 23)
555#define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
556#define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
557
558
559#include "iwl-priv.h"
560
561/* Requires full declaration of iwl_priv before including */
562#include "iwl-io.h"
563
564#define IWL_RX_HDR(x) ((struct iwl_rx_frame_hdr *)(\
565 x->u.rx_frame.stats.payload + \
566 x->u.rx_frame.stats.phy_count))
567#define IWL_RX_END(x) ((struct iwl_rx_frame_end *)(\
568 IWL_RX_HDR(x)->payload + \
569 le16_to_cpu(IWL_RX_HDR(x)->len)))
570#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
571#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
572
573
574/******************************************************************************
575 *
576 * Functions implemented in iwl-base.c which are forward declared here
577 * for use by iwl-*.c
578 *
579 *****************************************************************************/
580struct iwl_addsta_cmd;
581extern int iwl_send_add_station(struct iwl_priv *priv,
582 struct iwl_addsta_cmd *sta, u8 flags);
583extern const char *iwl_get_tx_fail_reason(u32 status);
584extern u8 iwl_add_station(struct iwl_priv *priv, const u8 *bssid,
585 int is_ap, u8 flags);
586extern int iwl_is_network_packet(struct iwl_priv *priv,
587 struct ieee80211_hdr *header);
588extern int iwl_power_init_handle(struct iwl_priv *priv);
589extern int iwl_eeprom_init(struct iwl_priv *priv);
590#ifdef CONFIG_IWLWIFI_DEBUG
591extern void iwl_report_frame(struct iwl_priv *priv,
592 struct iwl_rx_packet *pkt,
593 struct ieee80211_hdr *header, int group100);
594#else
595static inline void iwl_report_frame(struct iwl_priv *priv,
596 struct iwl_rx_packet *pkt,
597 struct ieee80211_hdr *header,
598 int group100) {}
599#endif
600extern int iwl_tx_queue_update_write_ptr(struct iwl_priv *priv,
601 struct iwl_tx_queue *txq);
602extern void iwl_handle_data_packet_monitor(struct iwl_priv *priv,
603 struct iwl_rx_mem_buffer *rxb,
604 void *data, short len,
605 struct ieee80211_rx_status *stats,
606 u16 phy_flags);
607extern int is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr
608 *header);
609extern void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
610extern int iwl_rx_queue_alloc(struct iwl_priv *priv);
611extern void iwl_rx_queue_reset(struct iwl_priv *priv,
612 struct iwl_rx_queue *rxq);
613extern int iwl_calc_db_from_ratio(int sig_ratio);
614extern int iwl_calc_sig_qual(int rssi_dbm, int noise_dbm);
615extern int iwl_tx_queue_init(struct iwl_priv *priv,
616 struct iwl_tx_queue *txq, int count, u32 id);
617extern int iwl_rx_queue_restock(struct iwl_priv *priv);
618extern void iwl_rx_replenish(void *data);
619extern void iwl_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq);
620extern int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len,
621 const void *data);
622extern int __must_check iwl_send_cmd_async(struct iwl_priv *priv,
623 struct iwl_host_cmd *cmd);
624extern int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
625 struct iwl_host_cmd *cmd);
626extern int __must_check iwl_send_cmd(struct iwl_priv *priv,
627 struct iwl_host_cmd *cmd);
628extern unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv,
629 struct ieee80211_hdr *hdr,
630 const u8 *dest, int left);
631extern int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
632 struct iwl_rx_queue *q);
633extern int iwl_send_statistics_request(struct iwl_priv *priv);
634extern void iwl_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb,
635 u32 decrypt_res,
636 struct ieee80211_rx_status *stats);
637extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
638
639extern const u8 BROADCAST_ADDR[ETH_ALEN];
640
641/*
642 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
643 * call this... todo... fix that.
644*/
645extern u8 iwl_sync_station(struct iwl_priv *priv, int sta_id,
646 u16 tx_rate, u8 flags);
647
648static inline int iwl_is_associated(struct iwl_priv *priv)
649{
650 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
651}
652
653/******************************************************************************
654 *
655 * Functions implemented in iwl-[34]*.c which are forward declared here
656 * for use by iwl-base.c
657 *
658 * NOTE: The implementation of these functions are hardware specific
659 * which is why they are in the hardware specific files (vs. iwl-base.c)
660 *
661 * Naming convention --
662 * iwl_ <-- Its part of iwlwifi (should be changed to iwl_)
663 * iwl_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
664 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
665 * iwl_bg_ <-- Called from work queue context
666 * iwl_mac_ <-- mac80211 callback
667 *
668 ****************************************************************************/
669extern void iwl_hw_rx_handler_setup(struct iwl_priv *priv);
670extern void iwl_hw_setup_deferred_work(struct iwl_priv *priv);
671extern void iwl_hw_cancel_deferred_work(struct iwl_priv *priv);
672extern int iwl_hw_rxq_stop(struct iwl_priv *priv);
673extern int iwl_hw_set_hw_setting(struct iwl_priv *priv);
674extern int iwl_hw_nic_init(struct iwl_priv *priv);
675extern void iwl_hw_card_show_info(struct iwl_priv *priv);
676extern int iwl_hw_nic_stop_master(struct iwl_priv *priv);
677extern void iwl_hw_txq_ctx_free(struct iwl_priv *priv);
678extern void iwl_hw_txq_ctx_stop(struct iwl_priv *priv);
679extern int iwl_hw_nic_reset(struct iwl_priv *priv);
680extern int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
681 dma_addr_t addr, u16 len);
682extern int iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
683extern int iwl_hw_get_temperature(struct iwl_priv *priv);
684extern int iwl_hw_tx_queue_init(struct iwl_priv *priv,
685 struct iwl_tx_queue *txq);
686extern unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
687 struct iwl_frame *frame, u8 rate);
688extern int iwl_hw_get_rx_read(struct iwl_priv *priv);
689extern void iwl_hw_build_tx_cmd_rate(struct iwl_priv *priv,
690 struct iwl_cmd *cmd,
691 struct ieee80211_tx_control *ctrl,
692 struct ieee80211_hdr *hdr,
693 int sta_id, int tx_id);
694extern int iwl_hw_reg_send_txpower(struct iwl_priv *priv);
695extern int iwl_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
696extern void iwl_hw_rx_statistics(struct iwl_priv *priv,
697 struct iwl_rx_mem_buffer *rxb);
698extern void iwl_disable_events(struct iwl_priv *priv);
699extern int iwl4965_get_temperature(const struct iwl_priv *priv);
700
701/**
702 * iwl_hw_find_station - Find station id for a given BSSID
703 * @bssid: MAC address of station ID to find
704 *
705 * NOTE: This should not be hardware specific but the code has
706 * not yet been merged into a single common layer for managing the
707 * station tables.
708 */
709extern u8 iwl_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
710
711extern int iwl_hw_channel_switch(struct iwl_priv *priv, u16 channel);
712extern int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
713#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-16 04:06:55 -0500