iwl-dev.h revision bed0a68f98d93c0abdc96b4c290a92c80234c182 
1/******************************************************************************
2 *
3 * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
4 *
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.
8 *
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
12 * more details.
13 *
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
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 *  Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
26/*
27 * Please use this file (iwl-dev.h) for driver implementation definitions.
28 * Please use iwl-commands.h for uCode API definitions.
29 * Please use iwl-4965-hw.h for hardware-related definitions.
30 */
31
32#ifndef __iwl_dev_h__
33#define __iwl_dev_h__
34
35#include <linux/pci.h> /* for struct pci_device_id */
36#include <linux/kernel.h>
37#include <net/ieee80211_radiotap.h>
38
39#include "iwl-eeprom.h"
40#include "iwl-csr.h"
41#include "iwl-prph.h"
42#include "iwl-fh.h"
43#include "iwl-debug.h"
44#include "iwl-4965-hw.h"
45#include "iwl-3945-hw.h"
46#include "iwl-led.h"
47#include "iwl-power.h"
48#include "iwl-agn-rs.h"
49
50/* configuration for the iwl4965 */
51extern struct iwl_cfg iwl4965_agn_cfg;
52extern struct iwl_cfg iwl5300_agn_cfg;
53extern struct iwl_cfg iwl5100_agn_cfg;
54extern struct iwl_cfg iwl5350_agn_cfg;
55extern struct iwl_cfg iwl5100_bg_cfg;
56extern struct iwl_cfg iwl5100_abg_cfg;
57extern struct iwl_cfg iwl5150_agn_cfg;
58extern struct iwl_cfg iwl6000h_2agn_cfg;
59extern struct iwl_cfg iwl6000h_2abg_cfg;
60extern struct iwl_cfg iwl6000h_2bg_cfg;
61extern struct iwl_cfg iwl6000i_2agn_cfg;
62extern struct iwl_cfg iwl6000i_2abg_cfg;
63extern struct iwl_cfg iwl6000i_2bg_cfg;
64extern struct iwl_cfg iwl6000_3agn_cfg;
65extern struct iwl_cfg iwl6050_2agn_cfg;
66extern struct iwl_cfg iwl6050_2abg_cfg;
67extern struct iwl_cfg iwl6050_3agn_cfg;
68extern struct iwl_cfg iwl1000_bgn_cfg;
69extern struct iwl_cfg iwl1000_bg_cfg;
70
71struct iwl_tx_queue;
72
73/* shared structures from iwl-5000.c */
74extern struct iwl_mod_params iwl50_mod_params;
75extern struct iwl_ucode_ops iwl5000_ucode;
76extern struct iwl_lib_ops iwl5000_lib;
77extern struct iwl_hcmd_ops iwl5000_hcmd;
78extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils;
79
80/* shared functions from iwl-5000.c */
81extern u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len);
82extern u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd,
83				     u8 *data);
84extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
85				    __le32 *tx_flags);
86extern int iwl5000_calc_rssi(struct iwl_priv *priv,
87			     struct iwl_rx_phy_res *rx_resp);
88extern void iwl5000_nic_config(struct iwl_priv *priv);
89extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv);
90extern const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
91				    size_t offset);
92extern void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
93					    struct iwl_tx_queue *txq,
94					    u16 byte_cnt);
95extern void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
96				    struct iwl_tx_queue *txq);
97extern int iwl5000_load_ucode(struct iwl_priv *priv);
98extern void iwl5000_init_alive_start(struct iwl_priv *priv);
99extern int iwl5000_alive_notify(struct iwl_priv *priv);
100extern int iwl5000_hw_set_hw_params(struct iwl_priv *priv);
101extern int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id,
102			   int tx_fifo, int sta_id, int tid, u16 ssn_idx);
103extern int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
104			    u16 ssn_idx, u8 tx_fifo);
105extern void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask);
106extern void iwl5000_setup_deferred_work(struct iwl_priv *priv);
107extern void iwl5000_rx_handler_setup(struct iwl_priv *priv);
108extern int iwl5000_hw_valid_rtc_data_addr(u32 addr);
109extern int iwl5000_send_tx_power(struct iwl_priv *priv);
110extern void iwl5000_temperature(struct iwl_priv *priv);
111
112/* CT-KILL constants */
113#define CT_KILL_THRESHOLD_LEGACY   110 /* in Celsius */
114#define CT_KILL_THRESHOLD	   114 /* in Celsius */
115#define CT_KILL_EXIT_THRESHOLD     95  /* in Celsius */
116
117/* Default noise level to report when noise measurement is not available.
118 *   This may be because we're:
119 *   1)  Not associated (4965, no beacon statistics being sent to driver)
120 *   2)  Scanning (noise measurement does not apply to associated channel)
121 *   3)  Receiving CCK (3945 delivers noise info only for OFDM frames)
122 * Use default noise value of -127 ... this is below the range of measurable
123 *   Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
124 *   Also, -127 works better than 0 when averaging frames with/without
125 *   noise info (e.g. averaging might be done in app); measured dBm values are
126 *   always negative ... using a negative value as the default keeps all
127 *   averages within an s8's (used in some apps) range of negative values. */
128#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
129
130/*
131 * RTS threshold here is total size [2347] minus 4 FCS bytes
132 * Per spec:
133 *   a value of 0 means RTS on all data/management packets
134 *   a value > max MSDU size means no RTS
135 * else RTS for data/management frames where MPDU is larger
136 *   than RTS value.
137 */
138#define DEFAULT_RTS_THRESHOLD     2347U
139#define MIN_RTS_THRESHOLD         0U
140#define MAX_RTS_THRESHOLD         2347U
141#define MAX_MSDU_SIZE		  2304U
142#define MAX_MPDU_SIZE		  2346U
143#define DEFAULT_BEACON_INTERVAL   100U
144#define	DEFAULT_SHORT_RETRY_LIMIT 7U
145#define	DEFAULT_LONG_RETRY_LIMIT  4U
146
147struct iwl_rx_mem_buffer {
148	dma_addr_t page_dma;
149	struct page *page;
150	struct list_head list;
151};
152
153#define rxb_addr(r) page_address(r->page)
154
155/* defined below */
156struct iwl_device_cmd;
157
158struct iwl_cmd_meta {
159	/* only for SYNC commands, iff the reply skb is wanted */
160	struct iwl_host_cmd *source;
161	/*
162	 * only for ASYNC commands
163	 * (which is somewhat stupid -- look at iwl-sta.c for instance
164	 * which duplicates a bunch of code because the callback isn't
165	 * invoked for SYNC commands, if it were and its result passed
166	 * through it would be simpler...)
167	 */
168	void (*callback)(struct iwl_priv *priv,
169			 struct iwl_device_cmd *cmd,
170			 struct iwl_rx_packet *pkt);
171
172	/* The CMD_SIZE_HUGE flag bit indicates that the command
173	 * structure is stored at the end of the shared queue memory. */
174	u32 flags;
175
176	DECLARE_PCI_UNMAP_ADDR(mapping)
177	DECLARE_PCI_UNMAP_LEN(len)
178};
179
180/*
181 * Generic queue structure
182 *
183 * Contains common data for Rx and Tx queues
184 */
185struct iwl_queue {
186	int n_bd;              /* number of BDs in this queue */
187	int write_ptr;       /* 1-st empty entry (index) host_w*/
188	int read_ptr;         /* last used entry (index) host_r*/
189	dma_addr_t dma_addr;   /* physical addr for BD's */
190	int n_window;	       /* safe queue window */
191	u32 id;
192	int low_mark;	       /* low watermark, resume queue if free
193				* space more than this */
194	int high_mark;         /* high watermark, stop queue if free
195				* space less than this */
196} __attribute__ ((packed));
197
198/* One for each TFD */
199struct iwl_tx_info {
200	struct sk_buff *skb[IWL_NUM_OF_TBS - 1];
201};
202
203/**
204 * struct iwl_tx_queue - Tx Queue for DMA
205 * @q: generic Rx/Tx queue descriptor
206 * @bd: base of circular buffer of TFDs
207 * @cmd: array of command/TX buffer pointers
208 * @meta: array of meta data for each command/tx buffer
209 * @dma_addr_cmd: physical address of cmd/tx buffer array
210 * @txb: array of per-TFD driver data
211 * @need_update: indicates need to update read/write index
212 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
213 *
214 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
215 * descriptors) and required locking structures.
216 */
217#define TFD_TX_CMD_SLOTS 256
218#define TFD_CMD_SLOTS 32
219
220struct iwl_tx_queue {
221	struct iwl_queue q;
222	void *tfds;
223	struct iwl_device_cmd **cmd;
224	struct iwl_cmd_meta *meta;
225	struct iwl_tx_info *txb;
226	u8 need_update;
227	u8 sched_retry;
228	u8 active;
229	u8 swq_id;
230};
231
232#define IWL_NUM_SCAN_RATES         (2)
233
234struct iwl4965_channel_tgd_info {
235	u8 type;
236	s8 max_power;
237};
238
239struct iwl4965_channel_tgh_info {
240	s64 last_radar_time;
241};
242
243#define IWL4965_MAX_RATE (33)
244
245struct iwl3945_clip_group {
246	/* maximum power level to prevent clipping for each rate, derived by
247	 *   us from this band's saturation power in EEPROM */
248	const s8 clip_powers[IWL_MAX_RATES];
249};
250
251/* current Tx power values to use, one for each rate for each channel.
252 * requested power is limited by:
253 * -- regulatory EEPROM limits for this channel
254 * -- hardware capabilities (clip-powers)
255 * -- spectrum management
256 * -- user preference (e.g. iwconfig)
257 * when requested power is set, base power index must also be set. */
258struct iwl3945_channel_power_info {
259	struct iwl3945_tx_power tpc;	/* actual radio and DSP gain settings */
260	s8 power_table_index;	/* actual (compenst'd) index into gain table */
261	s8 base_power_index;	/* gain index for power at factory temp. */
262	s8 requested_power;	/* power (dBm) requested for this chnl/rate */
263};
264
265/* current scan Tx power values to use, one for each scan rate for each
266 * channel. */
267struct iwl3945_scan_power_info {
268	struct iwl3945_tx_power tpc;	/* actual radio and DSP gain settings */
269	s8 power_table_index;	/* actual (compenst'd) index into gain table */
270	s8 requested_power;	/* scan pwr (dBm) requested for chnl/rate */
271};
272
273/*
274 * One for each channel, holds all channel setup data
275 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
276 *     with one another!
277 */
278struct iwl_channel_info {
279	struct iwl4965_channel_tgd_info tgd;
280	struct iwl4965_channel_tgh_info tgh;
281	struct iwl_eeprom_channel eeprom;	/* EEPROM regulatory limit */
282	struct iwl_eeprom_channel ht40_eeprom;	/* EEPROM regulatory limit for
283						 * HT40 channel */
284
285	u8 channel;	  /* channel number */
286	u8 flags;	  /* flags copied from EEPROM */
287	s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
288	s8 curr_txpow;	  /* (dBm) regulatory/spectrum/user (not h/w) limit */
289	s8 min_power;	  /* always 0 */
290	s8 scan_power;	  /* (dBm) regul. eeprom, direct scans, any rate */
291
292	u8 group_index;	  /* 0-4, maps channel to group1/2/3/4/5 */
293	u8 band_index;	  /* 0-4, maps channel to band1/2/3/4/5 */
294	enum ieee80211_band band;
295
296	/* HT40 channel info */
297	s8 ht40_max_power_avg;	/* (dBm) regul. eeprom, normal Tx, any rate */
298	s8 ht40_curr_txpow;	/* (dBm) regulatory/spectrum/user (not h/w) */
299	s8 ht40_min_power;	/* always 0 */
300	s8 ht40_scan_power;	/* (dBm) eeprom, direct scans, any rate */
301	u8 ht40_flags;		/* flags copied from EEPROM */
302	u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
303
304	/* Radio/DSP gain settings for each "normal" data Tx rate.
305	 * These include, in addition to RF and DSP gain, a few fields for
306	 *   remembering/modifying gain settings (indexes). */
307	struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
308
309	/* Radio/DSP gain settings for each scan rate, for directed scans. */
310	struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
311};
312
313#define IWL_TX_FIFO_AC0	0
314#define IWL_TX_FIFO_AC1	1
315#define IWL_TX_FIFO_AC2	2
316#define IWL_TX_FIFO_AC3	3
317#define IWL_TX_FIFO_HCCA_1	5
318#define IWL_TX_FIFO_HCCA_2	6
319#define IWL_TX_FIFO_NONE	7
320
321/* Minimum number of queues. MAX_NUM is defined in hw specific files.
322 * Set the minimum to accommodate the 4 standard TX queues, 1 command
323 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
324#define IWL_MIN_NUM_QUEUES	10
325
326/*
327 * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00,
328 * the driver maps it into the appropriate device FIFO for the
329 * uCode.
330 */
331#define IWL_CMD_QUEUE_NUM	4
332
333/* Power management (not Tx power) structures */
334
335enum iwl_pwr_src {
336	IWL_PWR_SRC_VMAIN,
337	IWL_PWR_SRC_VAUX,
338};
339
340#define IEEE80211_DATA_LEN              2304
341#define IEEE80211_4ADDR_LEN             30
342#define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
343#define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
344
345struct iwl_frame {
346	union {
347		struct ieee80211_hdr frame;
348		struct iwl_tx_beacon_cmd beacon;
349		u8 raw[IEEE80211_FRAME_LEN];
350		u8 cmd[360];
351	} u;
352	struct list_head list;
353};
354
355#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
356#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
357#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
358
359enum {
360	CMD_SYNC = 0,
361	CMD_SIZE_NORMAL = 0,
362	CMD_NO_SKB = 0,
363	CMD_SIZE_HUGE = (1 << 0),
364	CMD_ASYNC = (1 << 1),
365	CMD_WANT_SKB = (1 << 2),
366};
367
368#define DEF_CMD_PAYLOAD_SIZE 320
369
370/*
371 * IWL_LINK_HDR_MAX should include ieee80211_hdr, radiotap header,
372 * SNAP header and alignment. It should also be big enough for 802.11
373 * control frames.
374 */
375#define IWL_LINK_HDR_MAX 64
376
377/**
378 * struct iwl_device_cmd
379 *
380 * For allocation of the command and tx queues, this establishes the overall
381 * size of the largest command we send to uCode, except for a scan command
382 * (which is relatively huge; space is allocated separately).
383 */
384struct iwl_device_cmd {
385	struct iwl_cmd_header hdr;	/* uCode API */
386	union {
387		u32 flags;
388		u8 val8;
389		u16 val16;
390		u32 val32;
391		struct iwl_tx_cmd tx;
392		struct iwl6000_channel_switch_cmd chswitch;
393		u8 payload[DEF_CMD_PAYLOAD_SIZE];
394	} __attribute__ ((packed)) cmd;
395} __attribute__ ((packed));
396
397#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
398
399
400struct iwl_host_cmd {
401	const void *data;
402	unsigned long reply_page;
403	void (*callback)(struct iwl_priv *priv,
404			 struct iwl_device_cmd *cmd,
405			 struct iwl_rx_packet *pkt);
406	u32 flags;
407	u16 len;
408	u8 id;
409};
410
411#define SUP_RATE_11A_MAX_NUM_CHANNELS  8
412#define SUP_RATE_11B_MAX_NUM_CHANNELS  4
413#define SUP_RATE_11G_MAX_NUM_CHANNELS  12
414
415/**
416 * struct iwl_rx_queue - Rx queue
417 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
418 * @dma_addr: bus address of buffer of receive buffer descriptors (rbd)
419 * @read: Shared index to newest available Rx buffer
420 * @write: Shared index to oldest written Rx packet
421 * @free_count: Number of pre-allocated buffers in rx_free
422 * @rx_free: list of free SKBs for use
423 * @rx_used: List of Rx buffers with no SKB
424 * @need_update: flag to indicate we need to update read/write index
425 * @rb_stts: driver's pointer to receive buffer status
426 * @rb_stts_dma: bus address of receive buffer status
427 *
428 * NOTE:  rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
429 */
430struct iwl_rx_queue {
431	__le32 *bd;
432	dma_addr_t dma_addr;
433	struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
434	struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
435	u32 read;
436	u32 write;
437	u32 free_count;
438	u32 write_actual;
439	struct list_head rx_free;
440	struct list_head rx_used;
441	int need_update;
442	struct iwl_rb_status *rb_stts;
443	dma_addr_t rb_stts_dma;
444	spinlock_t lock;
445};
446
447#define IWL_SUPPORTED_RATES_IE_LEN         8
448
449#define MAX_TID_COUNT        9
450
451#define IWL_INVALID_RATE     0xFF
452#define IWL_INVALID_VALUE    -1
453
454/**
455 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
456 * @txq_id: Tx queue used for Tx attempt
457 * @frame_count: # frames attempted by Tx command
458 * @wait_for_ba: Expect block-ack before next Tx reply
459 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
460 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
461 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
462 * @rate_n_flags: Rate at which Tx was attempted
463 *
464 * If REPLY_TX indicates that aggregation was attempted, driver must wait
465 * for block ack (REPLY_COMPRESSED_BA).  This struct stores tx reply info
466 * until block ack arrives.
467 */
468struct iwl_ht_agg {
469	u16 txq_id;
470	u16 frame_count;
471	u16 wait_for_ba;
472	u16 start_idx;
473	u64 bitmap;
474	u32 rate_n_flags;
475#define IWL_AGG_OFF 0
476#define IWL_AGG_ON 1
477#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
478#define IWL_EMPTYING_HW_QUEUE_DELBA 3
479	u8 state;
480};
481
482
483struct iwl_tid_data {
484	u16 seq_number;
485	u16 tfds_in_queue;
486	struct iwl_ht_agg agg;
487};
488
489struct iwl_hw_key {
490	enum ieee80211_key_alg alg;
491	int keylen;
492	u8 keyidx;
493	u8 key[32];
494};
495
496union iwl_ht_rate_supp {
497	u16 rates;
498	struct {
499		u8 siso_rate;
500		u8 mimo_rate;
501	};
502};
503
504#define CFG_HT_RX_AMPDU_FACTOR_DEF  (0x3)
505
506/*
507 * Maximal MPDU density for TX aggregation
508 * 4 - 2us density
509 * 5 - 4us density
510 * 6 - 8us density
511 * 7 - 16us density
512 */
513#define CFG_HT_MPDU_DENSITY_4USEC   (0x5)
514#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
515
516struct iwl_ht_config {
517	/* self configuration data */
518	bool is_ht;
519	bool is_40mhz;
520	bool single_chain_sufficient;
521	u8 sm_ps;
522	/* BSS related data */
523	u8 extension_chan_offset;
524	u8 ht_protection;
525	u8 non_GF_STA_present;
526};
527
528union iwl_qos_capabity {
529	struct {
530		u8 edca_count:4;	/* bit 0-3 */
531		u8 q_ack:1;		/* bit 4 */
532		u8 queue_request:1;	/* bit 5 */
533		u8 txop_request:1;	/* bit 6 */
534		u8 reserved:1;		/* bit 7 */
535	} q_AP;
536	struct {
537		u8 acvo_APSD:1;		/* bit 0 */
538		u8 acvi_APSD:1;		/* bit 1 */
539		u8 ac_bk_APSD:1;	/* bit 2 */
540		u8 ac_be_APSD:1;	/* bit 3 */
541		u8 q_ack:1;		/* bit 4 */
542		u8 max_len:2;		/* bit 5-6 */
543		u8 more_data_ack:1;	/* bit 7 */
544	} q_STA;
545	u8 val;
546};
547
548/* QoS structures */
549struct iwl_qos_info {
550	int qos_active;
551	union iwl_qos_capabity qos_cap;
552	struct iwl_qosparam_cmd def_qos_parm;
553};
554
555#define STA_PS_STATUS_WAKE             0
556#define STA_PS_STATUS_SLEEP            1
557
558
559struct iwl3945_station_entry {
560	struct iwl3945_addsta_cmd sta;
561	struct iwl_tid_data tid[MAX_TID_COUNT];
562	u8 used;
563	u8 ps_status;
564	struct iwl_hw_key keyinfo;
565};
566
567struct iwl_station_entry {
568	struct iwl_addsta_cmd sta;
569	struct iwl_tid_data tid[MAX_TID_COUNT];
570	u8 used;
571	u8 ps_status;
572	struct iwl_hw_key keyinfo;
573};
574
575/*
576 * iwl_station_priv: Driver's private station information
577 *
578 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
579 * in the structure for use by driver. This structure is places in that
580 * space.
581 *
582 * At the moment use it for the station's rate scaling information.
583 */
584struct iwl_station_priv {
585	struct iwl_lq_sta lq_sta;
586};
587
588/* one for each uCode image (inst/data, boot/init/runtime) */
589struct fw_desc {
590	void *v_addr;		/* access by driver */
591	dma_addr_t p_addr;	/* access by card's busmaster DMA */
592	u32 len;		/* bytes */
593};
594
595/* uCode file layout */
596struct iwl_ucode_header {
597	__le32 ver;	/* major/minor/API/serial */
598	union {
599		struct {
600			__le32 inst_size;	/* bytes of runtime code */
601			__le32 data_size;	/* bytes of runtime data */
602			__le32 init_size;	/* bytes of init code */
603			__le32 init_data_size;	/* bytes of init data */
604			__le32 boot_size;	/* bytes of bootstrap code */
605			u8 data[0];		/* in same order as sizes */
606		} v1;
607		struct {
608			__le32 build;		/* build number */
609			__le32 inst_size;	/* bytes of runtime code */
610			__le32 data_size;	/* bytes of runtime data */
611			__le32 init_size;	/* bytes of init code */
612			__le32 init_data_size;	/* bytes of init data */
613			__le32 boot_size;	/* bytes of bootstrap code */
614			u8 data[0];		/* in same order as sizes */
615		} v2;
616	} u;
617};
618#define UCODE_HEADER_SIZE(ver) ((ver) == 1 ? 24 : 28)
619
620struct iwl4965_ibss_seq {
621	u8 mac[ETH_ALEN];
622	u16 seq_num;
623	u16 frag_num;
624	unsigned long packet_time;
625	struct list_head list;
626};
627
628struct iwl_sensitivity_ranges {
629	u16 min_nrg_cck;
630	u16 max_nrg_cck;
631
632	u16 nrg_th_cck;
633	u16 nrg_th_ofdm;
634
635	u16 auto_corr_min_ofdm;
636	u16 auto_corr_min_ofdm_mrc;
637	u16 auto_corr_min_ofdm_x1;
638	u16 auto_corr_min_ofdm_mrc_x1;
639
640	u16 auto_corr_max_ofdm;
641	u16 auto_corr_max_ofdm_mrc;
642	u16 auto_corr_max_ofdm_x1;
643	u16 auto_corr_max_ofdm_mrc_x1;
644
645	u16 auto_corr_max_cck;
646	u16 auto_corr_max_cck_mrc;
647	u16 auto_corr_min_cck;
648	u16 auto_corr_min_cck_mrc;
649
650	u16 barker_corr_th_min;
651	u16 barker_corr_th_min_mrc;
652	u16 nrg_th_cca;
653};
654
655
656#define KELVIN_TO_CELSIUS(x) ((x)-273)
657#define CELSIUS_TO_KELVIN(x) ((x)+273)
658
659
660/**
661 * struct iwl_hw_params
662 * @max_txq_num: Max # Tx queues supported
663 * @dma_chnl_num: Number of Tx DMA/FIFO channels
664 * @scd_bc_tbls_size: size of scheduler byte count tables
665 * @tfd_size: TFD size
666 * @tx/rx_chains_num: Number of TX/RX chains
667 * @valid_tx/rx_ant: usable antennas
668 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
669 * @max_rxq_log: Log-base-2 of max_rxq_size
670 * @rx_page_order: Rx buffer page order
671 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
672 * @max_stations:
673 * @bcast_sta_id:
674 * @ht40_channel: is 40MHz width possible in band 2.4
675 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
676 * @sw_crypto: 0 for hw, 1 for sw
677 * @max_xxx_size: for ucode uses
678 * @ct_kill_threshold: temperature threshold
679 * @calib_init_cfg: setup initial calibrations for the hw
680 * @struct iwl_sensitivity_ranges: range of sensitivity values
681 */
682struct iwl_hw_params {
683	u8 max_txq_num;
684	u8 dma_chnl_num;
685	u16 scd_bc_tbls_size;
686	u32 tfd_size;
687	u8  tx_chains_num;
688	u8  rx_chains_num;
689	u8  valid_tx_ant;
690	u8  valid_rx_ant;
691	u16 max_rxq_size;
692	u16 max_rxq_log;
693	u32 rx_page_order;
694	u32 rx_wrt_ptr_reg;
695	u8  max_stations;
696	u8  bcast_sta_id;
697	u8  ht40_channel;
698	u8  max_beacon_itrvl;	/* in 1024 ms */
699	u32 max_inst_size;
700	u32 max_data_size;
701	u32 max_bsm_size;
702	u32 ct_kill_threshold; /* value in hw-dependent units */
703	u32 ct_kill_exit_threshold; /* value in hw-dependent units */
704				    /* for 1000, 6000 series and up */
705	u32 calib_init_cfg;
706	const struct iwl_sensitivity_ranges *sens;
707};
708
709
710/******************************************************************************
711 *
712 * Functions implemented in core module which are forward declared here
713 * for use by iwl-[4-5].c
714 *
715 * NOTE:  The implementation of these functions are not hardware specific
716 * which is why they are in the core module files.
717 *
718 * Naming convention --
719 * iwl_         <-- Is part of iwlwifi
720 * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
721 * iwl4965_bg_      <-- Called from work queue context
722 * iwl4965_mac_     <-- mac80211 callback
723 *
724 ****************************************************************************/
725extern void iwl_update_chain_flags(struct iwl_priv *priv);
726extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
727extern const u8 iwl_bcast_addr[ETH_ALEN];
728extern int iwl_rxq_stop(struct iwl_priv *priv);
729extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
730extern int iwl_queue_space(const struct iwl_queue *q);
731static inline int iwl_queue_used(const struct iwl_queue *q, int i)
732{
733	return q->write_ptr > q->read_ptr ?
734		(i >= q->read_ptr && i < q->write_ptr) :
735		!(i < q->read_ptr && i >= q->write_ptr);
736}
737
738
739static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
740{
741	/*
742	 * This is for init calibration result and scan command which
743	 * required buffer > TFD_MAX_PAYLOAD_SIZE,
744	 * the big buffer at end of command array
745	 */
746	if (is_huge)
747		return q->n_window;	/* must be power of 2 */
748
749	/* Otherwise, use normal size buffers */
750	return index & (q->n_window - 1);
751}
752
753
754struct iwl_dma_ptr {
755	dma_addr_t dma;
756	void *addr;
757	size_t size;
758};
759
760#define IWL_OPERATION_MODE_AUTO     0
761#define IWL_OPERATION_MODE_HT_ONLY  1
762#define IWL_OPERATION_MODE_MIXED    2
763#define IWL_OPERATION_MODE_20MHZ    3
764
765#define IWL_TX_CRC_SIZE 4
766#define IWL_TX_DELIMITER_SIZE 4
767
768#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
769
770/* Sensitivity and chain noise calibration */
771#define INITIALIZATION_VALUE		0xFFFF
772#define IWL4965_CAL_NUM_BEACONS		20
773#define IWL_CAL_NUM_BEACONS		16
774#define MAXIMUM_ALLOWED_PATHLOSS	15
775
776#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
777
778#define MAX_FA_OFDM  50
779#define MIN_FA_OFDM  5
780#define MAX_FA_CCK   50
781#define MIN_FA_CCK   5
782
783#define AUTO_CORR_STEP_OFDM       1
784
785#define AUTO_CORR_STEP_CCK     3
786#define AUTO_CORR_MAX_TH_CCK   160
787
788#define NRG_DIFF               2
789#define NRG_STEP_CCK           2
790#define NRG_MARGIN             8
791#define MAX_NUMBER_CCK_NO_FA 100
792
793#define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
794
795#define CHAIN_A             0
796#define CHAIN_B             1
797#define CHAIN_C             2
798#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
799#define ALL_BAND_FILTER			0xFF00
800#define IN_BAND_FILTER			0xFF
801#define MIN_AVERAGE_NOISE_MAX_VALUE	0xFFFFFFFF
802
803#define NRG_NUM_PREV_STAT_L     20
804#define NUM_RX_CHAINS           3
805
806enum iwl4965_false_alarm_state {
807	IWL_FA_TOO_MANY = 0,
808	IWL_FA_TOO_FEW = 1,
809	IWL_FA_GOOD_RANGE = 2,
810};
811
812enum iwl4965_chain_noise_state {
813	IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
814	IWL_CHAIN_NOISE_ACCUMULATE,
815	IWL_CHAIN_NOISE_CALIBRATED,
816	IWL_CHAIN_NOISE_DONE,
817};
818
819enum iwl4965_calib_enabled_state {
820	IWL_CALIB_DISABLED = 0,  /* must be 0 */
821	IWL_CALIB_ENABLED = 1,
822};
823
824
825/*
826 * enum iwl_calib
827 * defines the order in which results of initial calibrations
828 * should be sent to the runtime uCode
829 */
830enum iwl_calib {
831	IWL_CALIB_XTAL,
832	IWL_CALIB_DC,
833	IWL_CALIB_LO,
834	IWL_CALIB_TX_IQ,
835	IWL_CALIB_TX_IQ_PERD,
836	IWL_CALIB_BASE_BAND,
837	IWL_CALIB_MAX
838};
839
840/* Opaque calibration results */
841struct iwl_calib_result {
842	void *buf;
843	size_t buf_len;
844};
845
846enum ucode_type {
847	UCODE_NONE = 0,
848	UCODE_INIT,
849	UCODE_RT
850};
851
852/* Sensitivity calib data */
853struct iwl_sensitivity_data {
854	u32 auto_corr_ofdm;
855	u32 auto_corr_ofdm_mrc;
856	u32 auto_corr_ofdm_x1;
857	u32 auto_corr_ofdm_mrc_x1;
858	u32 auto_corr_cck;
859	u32 auto_corr_cck_mrc;
860
861	u32 last_bad_plcp_cnt_ofdm;
862	u32 last_fa_cnt_ofdm;
863	u32 last_bad_plcp_cnt_cck;
864	u32 last_fa_cnt_cck;
865
866	u32 nrg_curr_state;
867	u32 nrg_prev_state;
868	u32 nrg_value[10];
869	u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
870	u32 nrg_silence_ref;
871	u32 nrg_energy_idx;
872	u32 nrg_silence_idx;
873	u32 nrg_th_cck;
874	s32 nrg_auto_corr_silence_diff;
875	u32 num_in_cck_no_fa;
876	u32 nrg_th_ofdm;
877
878	u16 barker_corr_th_min;
879	u16 barker_corr_th_min_mrc;
880	u16 nrg_th_cca;
881};
882
883/* Chain noise (differential Rx gain) calib data */
884struct iwl_chain_noise_data {
885	u32 active_chains;
886	u32 chain_noise_a;
887	u32 chain_noise_b;
888	u32 chain_noise_c;
889	u32 chain_signal_a;
890	u32 chain_signal_b;
891	u32 chain_signal_c;
892	u16 beacon_count;
893	u8 disconn_array[NUM_RX_CHAINS];
894	u8 delta_gain_code[NUM_RX_CHAINS];
895	u8 radio_write;
896	u8 state;
897};
898
899#define	EEPROM_SEM_TIMEOUT 10		/* milliseconds */
900#define EEPROM_SEM_RETRY_LIMIT 1000	/* number of attempts (not time) */
901
902#define IWL_TRAFFIC_ENTRIES	(256)
903#define IWL_TRAFFIC_ENTRY_SIZE  (64)
904
905enum {
906	MEASUREMENT_READY = (1 << 0),
907	MEASUREMENT_ACTIVE = (1 << 1),
908};
909
910enum iwl_nvm_type {
911	NVM_DEVICE_TYPE_EEPROM = 0,
912	NVM_DEVICE_TYPE_OTP,
913};
914
915/*
916 * Two types of OTP memory access modes
917 *   IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
918 * 			        based on physical memory addressing
919 *   IWL_OTP_ACCESS_RELATIVE - relative address mode,
920 * 			       based on logical memory addressing
921 */
922enum iwl_access_mode {
923	IWL_OTP_ACCESS_ABSOLUTE,
924	IWL_OTP_ACCESS_RELATIVE,
925};
926
927/**
928 * enum iwl_pa_type - Power Amplifier type
929 * @IWL_PA_SYSTEM:  based on uCode configuration
930 * @IWL_PA_HYBRID: use both Internal and external PA
931 * @IWL_PA_INTERNAL: use Internal only
932 */
933enum iwl_pa_type {
934	IWL_PA_SYSTEM = 0,
935	IWL_PA_HYBRID = 1,
936	IWL_PA_INTERNAL = 2,
937};
938
939/* interrupt statistics */
940struct isr_statistics {
941	u32 hw;
942	u32 sw;
943	u32 sw_err;
944	u32 sch;
945	u32 alive;
946	u32 rfkill;
947	u32 ctkill;
948	u32 wakeup;
949	u32 rx;
950	u32 rx_handlers[REPLY_MAX];
951	u32 tx;
952	u32 unhandled;
953};
954
955#ifdef CONFIG_IWLWIFI_DEBUGFS
956/* management statistics */
957enum iwl_mgmt_stats {
958	MANAGEMENT_ASSOC_REQ = 0,
959	MANAGEMENT_ASSOC_RESP,
960	MANAGEMENT_REASSOC_REQ,
961	MANAGEMENT_REASSOC_RESP,
962	MANAGEMENT_PROBE_REQ,
963	MANAGEMENT_PROBE_RESP,
964	MANAGEMENT_BEACON,
965	MANAGEMENT_ATIM,
966	MANAGEMENT_DISASSOC,
967	MANAGEMENT_AUTH,
968	MANAGEMENT_DEAUTH,
969	MANAGEMENT_ACTION,
970	MANAGEMENT_MAX,
971};
972/* control statistics */
973enum iwl_ctrl_stats {
974	CONTROL_BACK_REQ =  0,
975	CONTROL_BACK,
976	CONTROL_PSPOLL,
977	CONTROL_RTS,
978	CONTROL_CTS,
979	CONTROL_ACK,
980	CONTROL_CFEND,
981	CONTROL_CFENDACK,
982	CONTROL_MAX,
983};
984
985struct traffic_stats {
986	u32 mgmt[MANAGEMENT_MAX];
987	u32 ctrl[CONTROL_MAX];
988	u32 data_cnt;
989	u64 data_bytes;
990};
991#else
992struct traffic_stats {
993	u64 data_bytes;
994};
995#endif
996
997struct iwl_priv {
998
999	/* ieee device used by generic ieee processing code */
1000	struct ieee80211_hw *hw;
1001	struct ieee80211_channel *ieee_channels;
1002	struct ieee80211_rate *ieee_rates;
1003	struct iwl_cfg *cfg;
1004
1005	/* temporary frame storage list */
1006	struct list_head free_frames;
1007	int frames_count;
1008
1009	enum ieee80211_band band;
1010	int alloc_rxb_page;
1011
1012	void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
1013				       struct iwl_rx_mem_buffer *rxb);
1014
1015	struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
1016
1017#if defined(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
1018	/* spectrum measurement report caching */
1019	struct iwl_spectrum_notification measure_report;
1020	u8 measurement_status;
1021#endif
1022	/* ucode beacon time */
1023	u32 ucode_beacon_time;
1024
1025	/* we allocate array of iwl4965_channel_info for NIC's valid channels.
1026	 *    Access via channel # using indirect index array */
1027	struct iwl_channel_info *channel_info;	/* channel info array */
1028	u8 channel_count;	/* # of channels */
1029
1030	/* each calibration channel group in the EEPROM has a derived
1031	 * clip setting for each rate. 3945 only.*/
1032	const struct iwl3945_clip_group clip39_groups[5];
1033
1034	/* thermal calibration */
1035	s32 temperature;	/* degrees Kelvin */
1036	s32 last_temperature;
1037
1038	/* init calibration results */
1039	struct iwl_calib_result calib_results[IWL_CALIB_MAX];
1040
1041	/* Scan related variables */
1042	unsigned long last_scan_jiffies;
1043	unsigned long next_scan_jiffies;
1044	unsigned long scan_start;
1045	unsigned long scan_pass_start;
1046	unsigned long scan_start_tsf;
1047	void *scan;
1048	int scan_bands;
1049	struct cfg80211_scan_request *scan_request;
1050	u8 scan_tx_ant[IEEE80211_NUM_BANDS];
1051	u8 mgmt_tx_ant;
1052
1053	/* spinlock */
1054	spinlock_t lock;	/* protect general shared data */
1055	spinlock_t hcmd_lock;	/* protect hcmd */
1056	spinlock_t reg_lock;	/* protect hw register access */
1057	struct mutex mutex;
1058
1059	/* basic pci-network driver stuff */
1060	struct pci_dev *pci_dev;
1061
1062	/* pci hardware address support */
1063	void __iomem *hw_base;
1064	u32  hw_rev;
1065	u32  hw_wa_rev;
1066	u8   rev_id;
1067
1068	/* uCode images, save to reload in case of failure */
1069	u32 ucode_ver;			/* version of ucode, copy of
1070					   iwl_ucode.ver */
1071	struct fw_desc ucode_code;	/* runtime inst */
1072	struct fw_desc ucode_data;	/* runtime data original */
1073	struct fw_desc ucode_data_backup;	/* runtime data save/restore */
1074	struct fw_desc ucode_init;	/* initialization inst */
1075	struct fw_desc ucode_init_data;	/* initialization data */
1076	struct fw_desc ucode_boot;	/* bootstrap inst */
1077	enum ucode_type ucode_type;
1078	u8 ucode_write_complete;	/* the image write is complete */
1079
1080
1081	struct iwl_rxon_time_cmd rxon_timing;
1082
1083	/* We declare this const so it can only be
1084	 * changed via explicit cast within the
1085	 * routines that actually update the physical
1086	 * hardware */
1087	const struct iwl_rxon_cmd active_rxon;
1088	struct iwl_rxon_cmd staging_rxon;
1089
1090	/* 1st responses from initialize and runtime uCode images.
1091	 * 4965's initialize alive response contains some calibration data. */
1092	struct iwl_init_alive_resp card_alive_init;
1093	struct iwl_alive_resp card_alive;
1094
1095	unsigned long last_blink_time;
1096	u8 last_blink_rate;
1097	u8 allow_blinking;
1098	u64 led_tpt;
1099
1100	u16 active_rate;
1101	u16 active_rate_basic;
1102
1103	u8 assoc_station_added;
1104	u8 start_calib;
1105	struct iwl_sensitivity_data sensitivity_data;
1106	struct iwl_chain_noise_data chain_noise_data;
1107	__le16 sensitivity_tbl[HD_TABLE_SIZE];
1108
1109	struct iwl_ht_config current_ht_config;
1110	u8 last_phy_res[100];
1111
1112	/* Rate scaling data */
1113	u8 retry_rate;
1114
1115	wait_queue_head_t wait_command_queue;
1116
1117	int activity_timer_active;
1118
1119	/* Rx and Tx DMA processing queues */
1120	struct iwl_rx_queue rxq;
1121	struct iwl_tx_queue *txq;
1122	unsigned long txq_ctx_active_msk;
1123	struct iwl_dma_ptr  kw;	/* keep warm address */
1124	struct iwl_dma_ptr  scd_bc_tbls;
1125
1126	u32 scd_base_addr;	/* scheduler sram base address */
1127
1128	unsigned long status;
1129
1130	int last_rx_rssi;	/* From Rx packet statistics */
1131	int last_rx_noise;	/* From beacon statistics */
1132
1133	/* counts mgmt, ctl, and data packets */
1134	struct traffic_stats tx_stats;
1135	struct traffic_stats rx_stats;
1136
1137	/* counts interrupts */
1138	struct isr_statistics isr_stats;
1139
1140	struct iwl_power_mgr power_data;
1141	struct iwl_tt_mgmt thermal_throttle;
1142
1143	struct iwl_notif_statistics statistics;
1144#ifdef CONFIG_IWLWIFI_DEBUG
1145	struct iwl_notif_statistics accum_statistics;
1146#endif
1147
1148	/* context information */
1149	u16 rates_mask;
1150
1151	u8 bssid[ETH_ALEN];
1152	u16 rts_threshold;
1153	u8 mac_addr[ETH_ALEN];
1154
1155	/*station table variables */
1156	spinlock_t sta_lock;
1157	int num_stations;
1158	struct iwl_station_entry stations[IWL_STATION_COUNT];
1159	struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1160	u8 default_wep_key;
1161	u8 key_mapping_key;
1162	unsigned long ucode_key_table;
1163
1164	/* queue refcounts */
1165#define IWL_MAX_HW_QUEUES	32
1166	unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
1167	/* for each AC */
1168	atomic_t queue_stop_count[4];
1169
1170	/* Indication if ieee80211_ops->open has been called */
1171	u8 is_open;
1172
1173	u8 mac80211_registered;
1174
1175	/* Rx'd packet timing information */
1176	u32 last_beacon_time;
1177	u64 last_tsf;
1178
1179	/* eeprom */
1180	u8 *eeprom;
1181	int    nvm_device_type;
1182	struct iwl_eeprom_calib_info *calib_info;
1183
1184	enum nl80211_iftype iw_mode;
1185
1186	struct sk_buff *ibss_beacon;
1187
1188	/* Last Rx'd beacon timestamp */
1189	u64 timestamp;
1190	u16 beacon_int;
1191	struct ieee80211_vif *vif;
1192
1193	/*Added for 3945 */
1194	void *shared_virt;
1195	dma_addr_t shared_phys;
1196	/*End*/
1197	struct iwl_hw_params hw_params;
1198
1199	/* INT ICT Table */
1200	__le32 *ict_tbl;
1201	dma_addr_t ict_tbl_dma;
1202	dma_addr_t aligned_ict_tbl_dma;
1203	int ict_index;
1204	void *ict_tbl_vir;
1205	u32 inta;
1206	bool use_ict;
1207
1208	u32 inta_mask;
1209	/* Current association information needed to configure the
1210	 * hardware */
1211	u16 assoc_id;
1212	u16 assoc_capability;
1213
1214	struct iwl_qos_info qos_data;
1215
1216	struct workqueue_struct *workqueue;
1217
1218	struct work_struct up;
1219	struct work_struct restart;
1220	struct work_struct calibrated_work;
1221	struct work_struct scan_completed;
1222	struct work_struct rx_replenish;
1223	struct work_struct abort_scan;
1224	struct work_struct update_link_led;
1225	struct work_struct auth_work;
1226	struct work_struct report_work;
1227	struct work_struct request_scan;
1228	struct work_struct beacon_update;
1229	struct work_struct tt_work;
1230	struct work_struct ct_enter;
1231	struct work_struct ct_exit;
1232
1233	struct tasklet_struct irq_tasklet;
1234
1235	struct delayed_work init_alive_start;
1236	struct delayed_work alive_start;
1237	struct delayed_work scan_check;
1238
1239	/*For 3945 only*/
1240	struct delayed_work thermal_periodic;
1241	struct delayed_work rfkill_poll;
1242
1243	/* TX Power */
1244	s8 tx_power_user_lmt;
1245	s8 tx_power_device_lmt;
1246
1247
1248#ifdef CONFIG_IWLWIFI_DEBUG
1249	/* debugging info */
1250	u32 debug_level; /* per device debugging will override global
1251			    iwl_debug_level if set */
1252	u32 framecnt_to_us;
1253	atomic_t restrict_refcnt;
1254	bool disable_ht40;
1255#ifdef CONFIG_IWLWIFI_DEBUGFS
1256	/* debugfs */
1257	u16 tx_traffic_idx;
1258	u16 rx_traffic_idx;
1259	u8 *tx_traffic;
1260	u8 *rx_traffic;
1261	struct iwl_debugfs *dbgfs;
1262#endif /* CONFIG_IWLWIFI_DEBUGFS */
1263#endif /* CONFIG_IWLWIFI_DEBUG */
1264
1265	struct work_struct txpower_work;
1266	u32 disable_sens_cal;
1267	u32 disable_chain_noise_cal;
1268	u32 disable_tx_power_cal;
1269	struct work_struct run_time_calib_work;
1270	struct timer_list statistics_periodic;
1271	bool hw_ready;
1272	/*For 3945*/
1273#define IWL_DEFAULT_TX_POWER 0x0F
1274
1275	struct iwl3945_notif_statistics statistics_39;
1276
1277	u32 sta_supp_rates;
1278}; /*iwl_priv */
1279
1280static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1281{
1282	set_bit(txq_id, &priv->txq_ctx_active_msk);
1283}
1284
1285static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1286{
1287	clear_bit(txq_id, &priv->txq_ctx_active_msk);
1288}
1289
1290#ifdef CONFIG_IWLWIFI_DEBUG
1291const char *iwl_get_tx_fail_reason(u32 status);
1292/*
1293 * iwl_get_debug_level: Return active debug level for device
1294 *
1295 * Using sysfs it is possible to set per device debug level. This debug
1296 * level will be used if set, otherwise the global debug level which can be
1297 * set via module parameter is used.
1298 */
1299static inline u32 iwl_get_debug_level(struct iwl_priv *priv)
1300{
1301	if (priv->debug_level)
1302		return priv->debug_level;
1303	else
1304		return iwl_debug_level;
1305}
1306#else
1307static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1308
1309static inline u32 iwl_get_debug_level(struct iwl_priv *priv)
1310{
1311	return iwl_debug_level;
1312}
1313#endif
1314
1315
1316static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1317							 int txq_id, int idx)
1318{
1319	if (priv->txq[txq_id].txb[idx].skb[0])
1320		return (struct ieee80211_hdr *)priv->txq[txq_id].
1321				txb[idx].skb[0]->data;
1322	return NULL;
1323}
1324
1325
1326static inline int iwl_is_associated(struct iwl_priv *priv)
1327{
1328	return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1329}
1330
1331static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1332{
1333	if (ch_info == NULL)
1334		return 0;
1335	return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1336}
1337
1338static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1339{
1340	return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1341}
1342
1343static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1344{
1345	return ch_info->band == IEEE80211_BAND_5GHZ;
1346}
1347
1348static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1349{
1350	return ch_info->band == IEEE80211_BAND_2GHZ;
1351}
1352
1353static inline int is_channel_passive(const struct iwl_channel_info *ch)
1354{
1355	return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1356}
1357
1358static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1359{
1360	return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1361}
1362
1363#endif				/* __iwl_dev_h__ */
1364