iwl-dev.h revision b3bbacb78bc688707ac312158c5bbc6bbbb55b23
1/******************************************************************************
2 *
3 * Copyright(c) 2003 - 2008 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 * James P. Ketrenos <ipw2100-admin@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_4965_h__
33#define __iwl_4965_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#define DRV_NAME        "iwl4965"
40#include "iwl-rfkill.h"
41#include "iwl-eeprom.h"
42#include "iwl-4965-hw.h"
43#include "iwl-csr.h"
44#include "iwl-prph.h"
45#include "iwl-debug.h"
46#include "iwl-led.h"
47#include "iwl-power.h"
48
49/* configuration for the iwl4965 */
50extern struct iwl_cfg iwl4965_agn_cfg;
51extern struct iwl_cfg iwl5300_agn_cfg;
52extern struct iwl_cfg iwl5100_agn_cfg;
53extern struct iwl_cfg iwl5350_agn_cfg;
54
55/* Change firmware file name, using "-" and incrementing number,
56 *   *only* when uCode interface or architecture changes so that it
57 *   is not compatible with earlier drivers.
58 * This number will also appear in << 8 position of 1st dword of uCode file */
59#define IWL4965_UCODE_API "-1"
60
61/* CT-KILL constants */
62#define CT_KILL_THRESHOLD	110 /* in Celsius */
63
64/* Default noise level to report when noise measurement is not available.
65 *   This may be because we're:
66 *   1)  Not associated (4965, no beacon statistics being sent to driver)
67 *   2)  Scanning (noise measurement does not apply to associated channel)
68 *   3)  Receiving CCK (3945 delivers noise info only for OFDM frames)
69 * Use default noise value of -127 ... this is below the range of measurable
70 *   Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
71 *   Also, -127 works better than 0 when averaging frames with/without
72 *   noise info (e.g. averaging might be done in app); measured dBm values are
73 *   always negative ... using a negative value as the default keeps all
74 *   averages within an s8's (used in some apps) range of negative values. */
75#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
76
77/*
78 * RTS threshold here is total size [2347] minus 4 FCS bytes
79 * Per spec:
80 *   a value of 0 means RTS on all data/management packets
81 *   a value > max MSDU size means no RTS
82 * else RTS for data/management frames where MPDU is larger
83 *   than RTS value.
84 */
85#define DEFAULT_RTS_THRESHOLD     2347U
86#define MIN_RTS_THRESHOLD         0U
87#define MAX_RTS_THRESHOLD         2347U
88#define MAX_MSDU_SIZE		  2304U
89#define MAX_MPDU_SIZE		  2346U
90#define DEFAULT_BEACON_INTERVAL   100U
91#define	DEFAULT_SHORT_RETRY_LIMIT 7U
92#define	DEFAULT_LONG_RETRY_LIMIT  4U
93
94struct iwl_rx_mem_buffer {
95	dma_addr_t dma_addr;
96	struct sk_buff *skb;
97	struct list_head list;
98};
99
100/*
101 * Generic queue structure
102 *
103 * Contains common data for Rx and Tx queues
104 */
105struct iwl_queue {
106	int n_bd;              /* number of BDs in this queue */
107	int write_ptr;       /* 1-st empty entry (index) host_w*/
108	int read_ptr;         /* last used entry (index) host_r*/
109	dma_addr_t dma_addr;   /* physical addr for BD's */
110	int n_window;	       /* safe queue window */
111	u32 id;
112	int low_mark;	       /* low watermark, resume queue if free
113				* space more than this */
114	int high_mark;         /* high watermark, stop queue if free
115				* space less than this */
116} __attribute__ ((packed));
117
118#define MAX_NUM_OF_TBS          (20)
119
120/* One for each TFD */
121struct iwl_tx_info {
122	struct sk_buff *skb[MAX_NUM_OF_TBS];
123};
124
125/**
126 * struct iwl_tx_queue - Tx Queue for DMA
127 * @q: generic Rx/Tx queue descriptor
128 * @bd: base of circular buffer of TFDs
129 * @cmd: array of command/Tx buffers
130 * @dma_addr_cmd: physical address of cmd/tx buffer array
131 * @txb: array of per-TFD driver data
132 * @need_update: indicates need to update read/write index
133 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
134 *
135 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
136 * descriptors) and required locking structures.
137 */
138struct iwl_tx_queue {
139	struct iwl_queue q;
140	struct iwl_tfd_frame *bd;
141	struct iwl_cmd *cmd;
142	dma_addr_t dma_addr_cmd;
143	struct iwl_tx_info *txb;
144	int need_update;
145	int sched_retry;
146	int active;
147};
148
149#define IWL_NUM_SCAN_RATES         (2)
150
151struct iwl4965_channel_tgd_info {
152	u8 type;
153	s8 max_power;
154};
155
156struct iwl4965_channel_tgh_info {
157	s64 last_radar_time;
158};
159
160/* current Tx power values to use, one for each rate for each channel.
161 * requested power is limited by:
162 * -- regulatory EEPROM limits for this channel
163 * -- hardware capabilities (clip-powers)
164 * -- spectrum management
165 * -- user preference (e.g. iwconfig)
166 * when requested power is set, base power index must also be set. */
167struct iwl4965_channel_power_info {
168	struct iwl4965_tx_power tpc;	/* actual radio and DSP gain settings */
169	s8 power_table_index;	/* actual (compenst'd) index into gain table */
170	s8 base_power_index;	/* gain index for power at factory temp. */
171	s8 requested_power;	/* power (dBm) requested for this chnl/rate */
172};
173
174/* current scan Tx power values to use, one for each scan rate for each
175 * channel. */
176struct iwl4965_scan_power_info {
177	struct iwl4965_tx_power tpc;	/* actual radio and DSP gain settings */
178	s8 power_table_index;	/* actual (compenst'd) index into gain table */
179	s8 requested_power;	/* scan pwr (dBm) requested for chnl/rate */
180};
181
182/* For fat_extension_channel */
183enum {
184	HT_IE_EXT_CHANNEL_NONE = 0,
185	HT_IE_EXT_CHANNEL_ABOVE,
186	HT_IE_EXT_CHANNEL_INVALID,
187	HT_IE_EXT_CHANNEL_BELOW,
188	HT_IE_EXT_CHANNEL_MAX
189};
190
191/*
192 * One for each channel, holds all channel setup data
193 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
194 *     with one another!
195 */
196#define IWL4965_MAX_RATE (33)
197
198struct iwl_channel_info {
199	struct iwl4965_channel_tgd_info tgd;
200	struct iwl4965_channel_tgh_info tgh;
201	struct iwl_eeprom_channel eeprom;	/* EEPROM regulatory limit */
202	struct iwl_eeprom_channel fat_eeprom;	/* EEPROM regulatory limit for
203						 * FAT channel */
204
205	u8 channel;	  /* channel number */
206	u8 flags;	  /* flags copied from EEPROM */
207	s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
208	s8 curr_txpow;	  /* (dBm) regulatory/spectrum/user (not h/w) limit */
209	s8 min_power;	  /* always 0 */
210	s8 scan_power;	  /* (dBm) regul. eeprom, direct scans, any rate */
211
212	u8 group_index;	  /* 0-4, maps channel to group1/2/3/4/5 */
213	u8 band_index;	  /* 0-4, maps channel to band1/2/3/4/5 */
214	enum ieee80211_band band;
215
216	/* Radio/DSP gain settings for each "normal" data Tx rate.
217	 * These include, in addition to RF and DSP gain, a few fields for
218	 *   remembering/modifying gain settings (indexes). */
219	struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
220
221	/* FAT channel info */
222	s8 fat_max_power_avg;	/* (dBm) regul. eeprom, normal Tx, any rate */
223	s8 fat_curr_txpow;	/* (dBm) regulatory/spectrum/user (not h/w) */
224	s8 fat_min_power;	/* always 0 */
225	s8 fat_scan_power;	/* (dBm) eeprom, direct scans, any rate */
226	u8 fat_flags;		/* flags copied from EEPROM */
227	u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
228
229	/* Radio/DSP gain settings for each scan rate, for directed scans. */
230	struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
231};
232
233struct iwl4965_clip_group {
234	/* maximum power level to prevent clipping for each rate, derived by
235	 *   us from this band's saturation power in EEPROM */
236	const s8 clip_powers[IWL_MAX_RATES];
237};
238
239#include "iwl-4965-rs.h"
240
241#define IWL_TX_FIFO_AC0	0
242#define IWL_TX_FIFO_AC1	1
243#define IWL_TX_FIFO_AC2	2
244#define IWL_TX_FIFO_AC3	3
245#define IWL_TX_FIFO_HCCA_1	5
246#define IWL_TX_FIFO_HCCA_2	6
247#define IWL_TX_FIFO_NONE	7
248
249/* Minimum number of queues. MAX_NUM is defined in hw specific files */
250#define IWL_MIN_NUM_QUEUES	4
251
252/* Power management (not Tx power) structures */
253
254enum iwl_pwr_src {
255	IWL_PWR_SRC_VMAIN,
256	IWL_PWR_SRC_VAUX,
257};
258
259#define IEEE80211_DATA_LEN              2304
260#define IEEE80211_4ADDR_LEN             30
261#define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
262#define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
263
264struct iwl_frame {
265	union {
266		struct ieee80211_hdr frame;
267		struct iwl4965_tx_beacon_cmd beacon;
268		u8 raw[IEEE80211_FRAME_LEN];
269		u8 cmd[360];
270	} u;
271	struct list_head list;
272};
273
274#define SEQ_TO_QUEUE(x)  ((x >> 8) & 0xbf)
275#define QUEUE_TO_SEQ(x)  ((x & 0xbf) << 8)
276#define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
277#define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
278#define SEQ_HUGE_FRAME  (0x4000)
279#define SEQ_RX_FRAME    __constant_cpu_to_le16(0x8000)
280#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
281#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
282#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
283
284enum {
285	/* CMD_SIZE_NORMAL = 0, */
286	CMD_SIZE_HUGE = (1 << 0),
287	/* CMD_SYNC = 0, */
288	CMD_ASYNC = (1 << 1),
289	/* CMD_NO_SKB = 0, */
290	CMD_WANT_SKB = (1 << 2),
291};
292
293struct iwl_cmd;
294struct iwl_priv;
295
296struct iwl_cmd_meta {
297	struct iwl_cmd_meta *source;
298	union {
299		struct sk_buff *skb;
300		int (*callback)(struct iwl_priv *priv,
301				struct iwl_cmd *cmd, struct sk_buff *skb);
302	} __attribute__ ((packed)) u;
303
304	/* The CMD_SIZE_HUGE flag bit indicates that the command
305	 * structure is stored at the end of the shared queue memory. */
306	u32 flags;
307
308} __attribute__ ((packed));
309
310#define IWL_CMD_MAX_PAYLOAD 640
311
312/**
313 * struct iwl_cmd
314 *
315 * For allocation of the command and tx queues, this establishes the overall
316 * size of the largest command we send to uCode, except for a scan command
317 * (which is relatively huge; space is allocated separately).
318 */
319struct iwl_cmd {
320	struct iwl_cmd_meta meta;	/* driver data */
321	struct iwl_cmd_header hdr;	/* uCode API */
322	union {
323		struct iwl_addsta_cmd addsta;
324		struct iwl4965_led_cmd led;
325		u32 flags;
326		u8 val8;
327		u16 val16;
328		u32 val32;
329		struct iwl4965_bt_cmd bt;
330		struct iwl4965_rxon_time_cmd rxon_time;
331		struct iwl4965_powertable_cmd powertable;
332		struct iwl4965_qosparam_cmd qosparam;
333		struct iwl_tx_cmd tx;
334		struct iwl4965_tx_beacon_cmd tx_beacon;
335		struct iwl4965_rxon_assoc_cmd rxon_assoc;
336		u8 *indirect;
337		u8 payload[IWL_CMD_MAX_PAYLOAD];
338	} __attribute__ ((packed)) cmd;
339} __attribute__ ((packed));
340
341struct iwl_host_cmd {
342	u8 id;
343	u16 len;
344	struct iwl_cmd_meta meta;
345	const void *data;
346};
347
348#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
349			      sizeof(struct iwl_cmd_meta))
350
351/*
352 * RX related structures and functions
353 */
354#define RX_FREE_BUFFERS 64
355#define RX_LOW_WATERMARK 8
356
357#define SUP_RATE_11A_MAX_NUM_CHANNELS  8
358#define SUP_RATE_11B_MAX_NUM_CHANNELS  4
359#define SUP_RATE_11G_MAX_NUM_CHANNELS  12
360
361/**
362 * struct iwl_rx_queue - Rx queue
363 * @processed: Internal index to last handled Rx packet
364 * @read: Shared index to newest available Rx buffer
365 * @write: Shared index to oldest written Rx packet
366 * @free_count: Number of pre-allocated buffers in rx_free
367 * @rx_free: list of free SKBs for use
368 * @rx_used: List of Rx buffers with no SKB
369 * @need_update: flag to indicate we need to update read/write index
370 *
371 * NOTE:  rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
372 */
373struct iwl_rx_queue {
374	__le32 *bd;
375	dma_addr_t dma_addr;
376	struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
377	struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
378	u32 processed;
379	u32 read;
380	u32 write;
381	u32 free_count;
382	struct list_head rx_free;
383	struct list_head rx_used;
384	int need_update;
385	spinlock_t lock;
386};
387
388#define IWL_SUPPORTED_RATES_IE_LEN         8
389
390#define SCAN_INTERVAL 100
391
392#define MAX_A_CHANNELS  252
393#define MIN_A_CHANNELS  7
394
395#define MAX_B_CHANNELS  14
396#define MIN_B_CHANNELS  1
397
398#define MAX_TID_COUNT        9
399
400#define IWL_INVALID_RATE     0xFF
401#define IWL_INVALID_VALUE    -1
402
403#ifdef CONFIG_IWL4965_HT
404/**
405 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
406 * @txq_id: Tx queue used for Tx attempt
407 * @frame_count: # frames attempted by Tx command
408 * @wait_for_ba: Expect block-ack before next Tx reply
409 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
410 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
411 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
412 * @rate_n_flags: Rate at which Tx was attempted
413 *
414 * If REPLY_TX indicates that aggregation was attempted, driver must wait
415 * for block ack (REPLY_COMPRESSED_BA).  This struct stores tx reply info
416 * until block ack arrives.
417 */
418struct iwl_ht_agg {
419	u16 txq_id;
420	u16 frame_count;
421	u16 wait_for_ba;
422	u16 start_idx;
423	u64 bitmap;
424	u32 rate_n_flags;
425#define IWL_AGG_OFF 0
426#define IWL_AGG_ON 1
427#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
428#define IWL_EMPTYING_HW_QUEUE_DELBA 3
429	u8 state;
430};
431
432#endif /* CONFIG_IWL4965_HT */
433
434struct iwl_tid_data {
435	u16 seq_number;
436	u16 tfds_in_queue;
437#ifdef CONFIG_IWL4965_HT
438	struct iwl_ht_agg agg;
439#endif /* CONFIG_IWL4965_HT */
440};
441
442struct iwl_hw_key {
443	enum ieee80211_key_alg alg;
444	int keylen;
445	u8 keyidx;
446	u8 key[32];
447};
448
449union iwl4965_ht_rate_supp {
450	u16 rates;
451	struct {
452		u8 siso_rate;
453		u8 mimo_rate;
454	};
455};
456
457#define CFG_HT_RX_AMPDU_FACTOR_DEF  (0x3)
458#define CFG_HT_MPDU_DENSITY_2USEC   (0x5)
459#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
460
461struct iwl_ht_info {
462	/* self configuration data */
463	u8 is_ht;
464	u8 supported_chan_width;
465	u16 tx_mimo_ps_mode;
466	u8 is_green_field;
467	u8 sgf;			/* HT_SHORT_GI_* short guard interval */
468	u8 max_amsdu_size;
469	u8 ampdu_factor;
470	u8 mpdu_density;
471	u8 supp_mcs_set[16];
472	/* BSS related data */
473	u8 control_channel;
474	u8 extension_chan_offset;
475	u8 tx_chan_width;
476	u8 ht_protection;
477	u8 non_GF_STA_present;
478};
479
480union iwl4965_qos_capabity {
481	struct {
482		u8 edca_count:4;	/* bit 0-3 */
483		u8 q_ack:1;		/* bit 4 */
484		u8 queue_request:1;	/* bit 5 */
485		u8 txop_request:1;	/* bit 6 */
486		u8 reserved:1;		/* bit 7 */
487	} q_AP;
488	struct {
489		u8 acvo_APSD:1;		/* bit 0 */
490		u8 acvi_APSD:1;		/* bit 1 */
491		u8 ac_bk_APSD:1;	/* bit 2 */
492		u8 ac_be_APSD:1;	/* bit 3 */
493		u8 q_ack:1;		/* bit 4 */
494		u8 max_len:2;		/* bit 5-6 */
495		u8 more_data_ack:1;	/* bit 7 */
496	} q_STA;
497	u8 val;
498};
499
500/* QoS structures */
501struct iwl4965_qos_info {
502	int qos_enable;
503	int qos_active;
504	union iwl4965_qos_capabity qos_cap;
505	struct iwl4965_qosparam_cmd def_qos_parm;
506};
507
508#define STA_PS_STATUS_WAKE             0
509#define STA_PS_STATUS_SLEEP            1
510
511struct iwl_station_entry {
512	struct iwl_addsta_cmd sta;
513	struct iwl_tid_data tid[MAX_TID_COUNT];
514	u8 used;
515	u8 ps_status;
516	struct iwl_hw_key keyinfo;
517};
518
519/* one for each uCode image (inst/data, boot/init/runtime) */
520struct fw_desc {
521	void *v_addr;		/* access by driver */
522	dma_addr_t p_addr;	/* access by card's busmaster DMA */
523	u32 len;		/* bytes */
524};
525
526/* uCode file layout */
527struct iwl4965_ucode {
528	__le32 ver;		/* major/minor/subminor */
529	__le32 inst_size;	/* bytes of runtime instructions */
530	__le32 data_size;	/* bytes of runtime data */
531	__le32 init_size;	/* bytes of initialization instructions */
532	__le32 init_data_size;	/* bytes of initialization data */
533	__le32 boot_size;	/* bytes of bootstrap instructions */
534	u8 data[0];		/* data in same order as "size" elements */
535};
536
537#define IWL_IBSS_MAC_HASH_SIZE 32
538
539struct iwl4965_ibss_seq {
540	u8 mac[ETH_ALEN];
541	u16 seq_num;
542	u16 frag_num;
543	unsigned long packet_time;
544	struct list_head list;
545};
546
547struct iwl_sensitivity_ranges {
548	u16 min_nrg_cck;
549	u16 max_nrg_cck;
550
551	u16 nrg_th_cck;
552	u16 nrg_th_ofdm;
553
554	u16 auto_corr_min_ofdm;
555	u16 auto_corr_min_ofdm_mrc;
556	u16 auto_corr_min_ofdm_x1;
557	u16 auto_corr_min_ofdm_mrc_x1;
558
559	u16 auto_corr_max_ofdm;
560	u16 auto_corr_max_ofdm_mrc;
561	u16 auto_corr_max_ofdm_x1;
562	u16 auto_corr_max_ofdm_mrc_x1;
563
564	u16 auto_corr_max_cck;
565	u16 auto_corr_max_cck_mrc;
566	u16 auto_corr_min_cck;
567	u16 auto_corr_min_cck_mrc;
568};
569
570
571#define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
572
573/**
574 * struct iwl_hw_params
575 * @max_txq_num: Max # Tx queues supported
576 * @tx/rx_chains_num: Number of TX/RX chains
577 * @valid_tx/rx_ant: usable antennas
578 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
579 * @max_rxq_log: Log-base-2 of max_rxq_size
580 * @rx_buf_size: Rx buffer size
581 * @max_stations:
582 * @bcast_sta_id:
583 * @fat_channel: is 40MHz width possible in band 2.4
584 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
585 * @sw_crypto: 0 for hw, 1 for sw
586 * @max_xxx_size: for ucode uses
587 * @ct_kill_threshold: temperature threshold
588 * @struct iwl_sensitivity_ranges: range of sensitivity values
589 */
590struct iwl_hw_params {
591	u16 max_txq_num;
592	u8  tx_chains_num;
593	u8  rx_chains_num;
594	u8  valid_tx_ant;
595	u8  valid_rx_ant;
596	u16 max_rxq_size;
597	u16 max_rxq_log;
598	u32 rx_buf_size;
599	u32 max_pkt_size;
600	u8  max_stations;
601	u8  bcast_sta_id;
602	u8 fat_channel;
603	u8 sw_crypto;
604	u32 max_inst_size;
605	u32 max_data_size;
606	u32 max_bsm_size;
607	u32 ct_kill_threshold; /* value in hw-dependent units */
608#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
609	const struct iwl_sensitivity_ranges *sens;
610#endif
611};
612
613#define HT_SHORT_GI_20MHZ	(1 << 0)
614#define HT_SHORT_GI_40MHZ	(1 << 1)
615
616
617#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
618		       x->u.rx_frame.stats.payload + \
619		       x->u.rx_frame.stats.phy_count))
620#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
621		       IWL_RX_HDR(x)->payload + \
622		       le16_to_cpu(IWL_RX_HDR(x)->len)))
623#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
624#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
625
626
627/******************************************************************************
628 *
629 * Functions implemented in iwl-base.c which are forward declared here
630 * for use by iwl-*.c
631 *
632 *****************************************************************************/
633struct iwl_addsta_cmd;
634extern int iwl_send_add_sta(struct iwl_priv *priv,
635			    struct iwl_addsta_cmd *sta, u8 flags);
636u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
637			 u8 flags, struct ieee80211_ht_info *ht_info);
638extern int iwl4965_is_network_packet(struct iwl_priv *priv,
639				 struct ieee80211_hdr *header);
640extern int iwl4965_power_init_handle(struct iwl_priv *priv);
641extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv,
642					   struct iwl_rx_mem_buffer *rxb,
643					   void *data, short len,
644					   struct ieee80211_rx_status *stats,
645					   u16 phy_flags);
646extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv,
647				       struct ieee80211_hdr *header);
648extern int iwl4965_calc_db_from_ratio(int sig_ratio);
649extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
650extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
651					struct ieee80211_hdr *hdr,
652					const u8 *dest, int left);
653extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
654int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
655
656int iwl4965_init_geos(struct iwl_priv *priv);
657void iwl4965_free_geos(struct iwl_priv *priv);
658
659extern const u8 iwl_bcast_addr[ETH_ALEN];
660int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
661
662/*
663 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
664 * call this... todo... fix that.
665*/
666extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id,
667			   u16 tx_rate, u8 flags);
668
669/******************************************************************************
670 *
671 * Functions implemented in iwl-[34]*.c which are forward declared here
672 * for use by iwl-base.c
673 *
674 * NOTE:  The implementation of these functions are hardware specific
675 * which is why they are in the hardware specific files (vs. iwl-base.c)
676 *
677 * Naming convention --
678 * iwl4965_         <-- Its part of iwlwifi (should be changed to iwl4965_)
679 * iwl4965_hw_      <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
680 * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
681 * iwl4965_bg_      <-- Called from work queue context
682 * iwl4965_mac_     <-- mac80211 callback
683 *
684 ****************************************************************************/
685extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
686extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
687extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv);
688extern int iwl_rxq_stop(struct iwl_priv *priv);
689extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
690extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
691extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
692				 struct iwl_frame *frame, u8 rate);
693extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
694				     struct iwl_cmd *cmd,
695				     struct ieee80211_tx_info *info,
696				     struct ieee80211_hdr *hdr,
697				     int sta_id, int tx_id);
698extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
699extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
700extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
701				 struct iwl_rx_mem_buffer *rxb);
702extern void iwl4965_disable_events(struct iwl_priv *priv);
703extern int iwl4965_get_temperature(const struct iwl_priv *priv);
704
705/**
706 * iwl_find_station - Find station id for a given BSSID
707 * @bssid: MAC address of station ID to find
708 *
709 * NOTE:  This should not be hardware specific but the code has
710 * not yet been merged into a single common layer for managing the
711 * station tables.
712 */
713extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid);
714
715extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
716extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
717extern int iwl_queue_space(const struct iwl_queue *q);
718static inline int iwl_queue_used(const struct iwl_queue *q, int i)
719{
720	return q->write_ptr > q->read_ptr ?
721		(i >= q->read_ptr && i < q->write_ptr) :
722		!(i < q->read_ptr && i >= q->write_ptr);
723}
724
725
726static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
727{
728	/* This is for scan command, the big buffer at end of command array */
729	if (is_huge)
730		return q->n_window;	/* must be power of 2 */
731
732	/* Otherwise, use normal size buffers */
733	return index & (q->n_window - 1);
734}
735
736
737struct iwl_priv;
738
739extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio);
740/*
741 * Forward declare iwl-4965.c functions for iwl-base.c
742 */
743extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
744					  struct iwl_tx_queue *txq,
745					  u16 byte_cnt);
746extern int iwl4965_alive_notify(struct iwl_priv *priv);
747extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
748extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
749extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
750					 u32 rate_n_flags,
751					 struct ieee80211_tx_info *info);
752
753#ifdef CONFIG_IWL4965_HT
754extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
755				struct ieee80211_ht_info *ht_info,
756				enum ieee80211_band band);
757void iwl4965_set_rxon_ht(struct iwl_priv *priv,
758			 struct iwl_ht_info *ht_info);
759int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
760				    enum ieee80211_ampdu_mlme_action action,
761				    const u8 *addr, u16 tid, u16 *ssn);
762int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
763					u8 tid, int txq_id);
764#else
765static inline void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
766					    struct ieee80211_ht_info *ht_info,
767					    enum ieee80211_band band) {}
768
769#endif /*CONFIG_IWL4965_HT */
770/* Structures, enum, and defines specific to the 4965 */
771
772#define IWL_KW_SIZE 0x1000	/*4k */
773
774struct iwl_kw {
775	dma_addr_t dma_addr;
776	void *v_addr;
777	size_t size;
778};
779
780#define IWL_CHANNEL_WIDTH_20MHZ   0
781#define IWL_CHANNEL_WIDTH_40MHZ   1
782
783#define IWL_MIMO_PS_STATIC        0
784#define IWL_MIMO_PS_NONE          3
785#define IWL_MIMO_PS_DYNAMIC       1
786#define IWL_MIMO_PS_INVALID       2
787
788#define IWL_OPERATION_MODE_AUTO     0
789#define IWL_OPERATION_MODE_HT_ONLY  1
790#define IWL_OPERATION_MODE_MIXED    2
791#define IWL_OPERATION_MODE_20MHZ    3
792
793#define IWL_EXT_CHANNEL_OFFSET_NONE      0
794#define IWL_EXT_CHANNEL_OFFSET_ABOVE     1
795#define IWL_EXT_CHANNEL_OFFSET_RESERVE1  2
796#define IWL_EXT_CHANNEL_OFFSET_BELOW     3
797
798#define IWL_TX_CRC_SIZE 4
799#define IWL_TX_DELIMITER_SIZE 4
800
801#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
802
803struct iwl4965_lq_mngr {
804	spinlock_t lock;
805	s32 max_window_size;
806	s32 *expected_tpt;
807	u8 *next_higher_rate;
808	u8 *next_lower_rate;
809	unsigned long stamp;
810	unsigned long stamp_last;
811	u32 flush_time;
812	u32 tx_packets;
813	u8 lq_ready;
814};
815
816/* Sensitivity and chain noise calibration */
817#define INTERFERENCE_DATA_AVAILABLE	__constant_cpu_to_le32(1)
818#define INITIALIZATION_VALUE		0xFFFF
819#define CAL_NUM_OF_BEACONS		20
820#define MAXIMUM_ALLOWED_PATHLOSS	15
821
822#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
823
824#define MAX_FA_OFDM  50
825#define MIN_FA_OFDM  5
826#define MAX_FA_CCK   50
827#define MIN_FA_CCK   5
828
829#define AUTO_CORR_STEP_OFDM       1
830
831#define AUTO_CORR_STEP_CCK     3
832#define AUTO_CORR_MAX_TH_CCK   160
833
834#define NRG_DIFF               2
835#define NRG_STEP_CCK           2
836#define NRG_MARGIN             8
837#define MAX_NUMBER_CCK_NO_FA 100
838
839#define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
840
841#define CHAIN_A             0
842#define CHAIN_B             1
843#define CHAIN_C             2
844#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
845#define ALL_BAND_FILTER			0xFF00
846#define IN_BAND_FILTER			0xFF
847#define MIN_AVERAGE_NOISE_MAX_VALUE	0xFFFFFFFF
848
849#define NRG_NUM_PREV_STAT_L     20
850#define NUM_RX_CHAINS           3
851
852enum iwl4965_false_alarm_state {
853	IWL_FA_TOO_MANY = 0,
854	IWL_FA_TOO_FEW = 1,
855	IWL_FA_GOOD_RANGE = 2,
856};
857
858enum iwl4965_chain_noise_state {
859	IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
860	IWL_CHAIN_NOISE_ACCUMULATE = 1,
861	IWL_CHAIN_NOISE_CALIBRATED = 2,
862};
863
864enum iwl4965_calib_enabled_state {
865	IWL_CALIB_DISABLED = 0,  /* must be 0 */
866	IWL_CALIB_ENABLED = 1,
867};
868
869struct statistics_general_data {
870	u32 beacon_silence_rssi_a;
871	u32 beacon_silence_rssi_b;
872	u32 beacon_silence_rssi_c;
873	u32 beacon_energy_a;
874	u32 beacon_energy_b;
875	u32 beacon_energy_c;
876};
877
878enum ucode_type {
879	UCODE_NONE = 0,
880	UCODE_INIT,
881	UCODE_RT
882};
883
884#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
885/* Sensitivity calib data */
886struct iwl_sensitivity_data {
887	u32 auto_corr_ofdm;
888	u32 auto_corr_ofdm_mrc;
889	u32 auto_corr_ofdm_x1;
890	u32 auto_corr_ofdm_mrc_x1;
891	u32 auto_corr_cck;
892	u32 auto_corr_cck_mrc;
893
894	u32 last_bad_plcp_cnt_ofdm;
895	u32 last_fa_cnt_ofdm;
896	u32 last_bad_plcp_cnt_cck;
897	u32 last_fa_cnt_cck;
898
899	u32 nrg_curr_state;
900	u32 nrg_prev_state;
901	u32 nrg_value[10];
902	u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
903	u32 nrg_silence_ref;
904	u32 nrg_energy_idx;
905	u32 nrg_silence_idx;
906	u32 nrg_th_cck;
907	s32 nrg_auto_corr_silence_diff;
908	u32 num_in_cck_no_fa;
909	u32 nrg_th_ofdm;
910};
911
912/* Chain noise (differential Rx gain) calib data */
913struct iwl_chain_noise_data {
914	u8 state;
915	u16 beacon_count;
916	u32 chain_noise_a;
917	u32 chain_noise_b;
918	u32 chain_noise_c;
919	u32 chain_signal_a;
920	u32 chain_signal_b;
921	u32 chain_signal_c;
922	u8 disconn_array[NUM_RX_CHAINS];
923	u8 delta_gain_code[NUM_RX_CHAINS];
924	u8 radio_write;
925};
926#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
927
928#define	EEPROM_SEM_TIMEOUT 10		/* milliseconds */
929#define EEPROM_SEM_RETRY_LIMIT 1000	/* number of attempts (not time) */
930
931
932#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
933
934enum {
935	MEASUREMENT_READY = (1 << 0),
936	MEASUREMENT_ACTIVE = (1 << 1),
937};
938
939#endif
940
941#define IWL_MAX_NUM_QUEUES	20 /* FIXME: do dynamic allocation */
942
943struct iwl_priv {
944
945	/* ieee device used by generic ieee processing code */
946	struct ieee80211_hw *hw;
947	struct ieee80211_channel *ieee_channels;
948	struct ieee80211_rate *ieee_rates;
949	struct iwl_cfg *cfg;
950
951	/* temporary frame storage list */
952	struct list_head free_frames;
953	int frames_count;
954
955	enum ieee80211_band band;
956	int alloc_rxb_skb;
957	bool add_radiotap;
958
959	void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
960				       struct iwl_rx_mem_buffer *rxb);
961
962	struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
963
964#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
965	/* spectrum measurement report caching */
966	struct iwl4965_spectrum_notification measure_report;
967	u8 measurement_status;
968#endif
969	/* ucode beacon time */
970	u32 ucode_beacon_time;
971
972	/* we allocate array of iwl4965_channel_info for NIC's valid channels.
973	 *    Access via channel # using indirect index array */
974	struct iwl_channel_info *channel_info;	/* channel info array */
975	u8 channel_count;	/* # of channels */
976
977	/* each calibration channel group in the EEPROM has a derived
978	 * clip setting for each rate. */
979	const struct iwl4965_clip_group clip_groups[5];
980
981	/* thermal calibration */
982	s32 temperature;	/* degrees Kelvin */
983	s32 last_temperature;
984
985	/* Scan related variables */
986	unsigned long last_scan_jiffies;
987	unsigned long next_scan_jiffies;
988	unsigned long scan_start;
989	unsigned long scan_pass_start;
990	unsigned long scan_start_tsf;
991	int scan_bands;
992	int one_direct_scan;
993	u8 direct_ssid_len;
994	u8 direct_ssid[IW_ESSID_MAX_SIZE];
995	struct iwl4965_scan_cmd *scan;
996
997	/* spinlock */
998	spinlock_t lock;	/* protect general shared data */
999	spinlock_t hcmd_lock;	/* protect hcmd */
1000	struct mutex mutex;
1001
1002	/* basic pci-network driver stuff */
1003	struct pci_dev *pci_dev;
1004
1005	/* pci hardware address support */
1006	void __iomem *hw_base;
1007	u32  hw_rev;
1008	u32  hw_wa_rev;
1009	u8   rev_id;
1010
1011	/* uCode images, save to reload in case of failure */
1012	struct fw_desc ucode_code;	/* runtime inst */
1013	struct fw_desc ucode_data;	/* runtime data original */
1014	struct fw_desc ucode_data_backup;	/* runtime data save/restore */
1015	struct fw_desc ucode_init;	/* initialization inst */
1016	struct fw_desc ucode_init_data;	/* initialization data */
1017	struct fw_desc ucode_boot;	/* bootstrap inst */
1018	enum ucode_type ucode_type;
1019	u8 ucode_write_complete;	/* the image write is complete */
1020
1021
1022	struct iwl4965_rxon_time_cmd rxon_timing;
1023
1024	/* We declare this const so it can only be
1025	 * changed via explicit cast within the
1026	 * routines that actually update the physical
1027	 * hardware */
1028	const struct iwl_rxon_cmd active_rxon;
1029	struct iwl_rxon_cmd staging_rxon;
1030
1031	int error_recovering;
1032	struct iwl_rxon_cmd recovery_rxon;
1033
1034	/* 1st responses from initialize and runtime uCode images.
1035	 * 4965's initialize alive response contains some calibration data. */
1036	struct iwl_init_alive_resp card_alive_init;
1037	struct iwl_alive_resp card_alive;
1038#ifdef CONFIG_IWLWIFI_RFKILL
1039	struct iwl_rfkill_mngr rfkill_mngr;
1040#endif
1041
1042#ifdef CONFIG_IWLWIFI_LEDS
1043	struct iwl4965_led led[IWL_LED_TRG_MAX];
1044	unsigned long last_blink_time;
1045	u8 last_blink_rate;
1046	u8 allow_blinking;
1047	u64 led_tpt;
1048#endif
1049
1050	u16 active_rate;
1051	u16 active_rate_basic;
1052
1053	u8 assoc_station_added;
1054	u8 use_ant_b_for_management_frame;	/* Tx antenna selection */
1055	u8 start_calib;
1056#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1057	struct iwl_sensitivity_data sensitivity_data;
1058	struct iwl_chain_noise_data chain_noise_data;
1059	__le16 sensitivity_tbl[HD_TABLE_SIZE];
1060#endif /*CONFIG_IWLWIFI_RUN_TIME_CALIB*/
1061
1062#ifdef CONFIG_IWL4965_HT
1063	struct iwl_ht_info current_ht_config;
1064#endif
1065	u8 last_phy_res[100];
1066
1067	/* Rate scaling data */
1068	struct iwl4965_lq_mngr lq_mngr;
1069
1070	/* Rate scaling data */
1071	s8 data_retry_limit;
1072	u8 retry_rate;
1073
1074	wait_queue_head_t wait_command_queue;
1075
1076	int activity_timer_active;
1077
1078	/* Rx and Tx DMA processing queues */
1079	struct iwl_rx_queue rxq;
1080	struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
1081	unsigned long txq_ctx_active_msk;
1082	struct iwl_kw kw;	/* keep warm address */
1083	u32 scd_base_addr;	/* scheduler sram base address */
1084
1085	unsigned long status;
1086
1087	int last_rx_rssi;	/* From Rx packet statisitics */
1088	int last_rx_noise;	/* From beacon statistics */
1089
1090	/* counts mgmt, ctl, and data packets */
1091	struct traffic_stats {
1092		u32 cnt;
1093		u64 bytes;
1094	} tx_stats[3], rx_stats[3];
1095
1096	struct iwl_power_mgr power_data;
1097
1098	struct iwl4965_notif_statistics statistics;
1099	unsigned long last_statistics_time;
1100
1101	/* context information */
1102	u8 essid[IW_ESSID_MAX_SIZE];
1103	u8 essid_len;
1104	u16 rates_mask;
1105
1106	u32 power_mode;
1107	u32 antenna;
1108	u8 bssid[ETH_ALEN];
1109	u16 rts_threshold;
1110	u8 mac_addr[ETH_ALEN];
1111
1112	/*station table variables */
1113	spinlock_t sta_lock;
1114	int num_stations;
1115	struct iwl_station_entry stations[IWL_STATION_COUNT];
1116	struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1117	u8 default_wep_key;
1118	u8 key_mapping_key;
1119	unsigned long ucode_key_table;
1120
1121	/* Indication if ieee80211_ops->open has been called */
1122	u8 is_open;
1123
1124	u8 mac80211_registered;
1125
1126	/* Rx'd packet timing information */
1127	u32 last_beacon_time;
1128	u64 last_tsf;
1129
1130	/* Duplicate packet detection */
1131	u16 last_seq_num;
1132	u16 last_frag_num;
1133	unsigned long last_packet_time;
1134
1135	/* Hash table for finding stations in IBSS network */
1136	struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1137
1138	/* eeprom */
1139	u8 *eeprom;
1140	struct iwl_eeprom_calib_info *calib_info;
1141
1142	enum ieee80211_if_types iw_mode;
1143
1144	struct sk_buff *ibss_beacon;
1145
1146	/* Last Rx'd beacon timestamp */
1147	u64 timestamp;
1148	u16 beacon_int;
1149	struct ieee80211_vif *vif;
1150
1151	struct iwl_hw_params hw_params;
1152	/* driver/uCode shared Tx Byte Counts and Rx status */
1153	void *shared_virt;
1154	int rb_closed_offset;
1155	/* Physical Pointer to Tx Byte Counts and Rx status */
1156	dma_addr_t shared_phys;
1157
1158	/* Current association information needed to configure the
1159	 * hardware */
1160	u16 assoc_id;
1161	u16 assoc_capability;
1162	u8 ps_mode;
1163
1164	struct iwl4965_qos_info qos_data;
1165
1166	struct workqueue_struct *workqueue;
1167
1168	struct work_struct up;
1169	struct work_struct restart;
1170	struct work_struct calibrated_work;
1171	struct work_struct scan_completed;
1172	struct work_struct rx_replenish;
1173	struct work_struct rf_kill;
1174	struct work_struct abort_scan;
1175	struct work_struct update_link_led;
1176	struct work_struct auth_work;
1177	struct work_struct report_work;
1178	struct work_struct request_scan;
1179	struct work_struct beacon_update;
1180	struct work_struct set_monitor;
1181
1182	struct tasklet_struct irq_tasklet;
1183
1184	struct delayed_work init_alive_start;
1185	struct delayed_work alive_start;
1186	struct delayed_work activity_timer;
1187	struct delayed_work thermal_periodic;
1188	struct delayed_work gather_stats;
1189	struct delayed_work scan_check;
1190	struct delayed_work post_associate;
1191
1192#define IWL_DEFAULT_TX_POWER 0x0F
1193	s8 user_txpower_limit;
1194	s8 max_channel_txpower_limit;
1195
1196#ifdef CONFIG_PM
1197	u32 pm_state[16];
1198#endif
1199
1200#ifdef CONFIG_IWLWIFI_DEBUG
1201	/* debugging info */
1202	u32 debug_level;
1203	u32 framecnt_to_us;
1204	atomic_t restrict_refcnt;
1205#ifdef CONFIG_IWLWIFI_DEBUGFS
1206	/* debugfs */
1207	struct iwl_debugfs *dbgfs;
1208#endif /* CONFIG_IWLWIFI_DEBUGFS */
1209#endif /* CONFIG_IWLWIFI_DEBUG */
1210
1211	struct work_struct txpower_work;
1212#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1213	u32 disable_sens_cal;
1214	u32 disable_chain_noise_cal;
1215#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
1216#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
1217	struct work_struct sensitivity_work;
1218#endif /* CONFIG_IWL4965_RUN_TIME_CALIB */
1219	struct timer_list statistics_periodic;
1220}; /*iwl_priv */
1221
1222static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1223{
1224	set_bit(txq_id, &priv->txq_ctx_active_msk);
1225}
1226
1227static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1228{
1229	clear_bit(txq_id, &priv->txq_ctx_active_msk);
1230}
1231
1232static inline int iwl_is_associated(struct iwl_priv *priv)
1233{
1234	return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1235}
1236
1237static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1238{
1239	if (ch_info == NULL)
1240		return 0;
1241	return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1242}
1243
1244static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1245{
1246	return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1247}
1248
1249static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1250{
1251	return ch_info->band == IEEE80211_BAND_5GHZ;
1252}
1253
1254static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1255{
1256	return ch_info->band == IEEE80211_BAND_2GHZ;
1257}
1258
1259static inline int is_channel_passive(const struct iwl_channel_info *ch)
1260{
1261	return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1262}
1263
1264static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1265{
1266	return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1267}
1268
1269#ifdef CONFIG_IWLWIFI_DEBUG
1270static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1271				      void *p, u32 len)
1272{
1273	if (!(priv->debug_level & level))
1274		return;
1275
1276	print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1277			p, len, 1);
1278}
1279#else
1280static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1281				      void *p, u32 len)
1282{
1283}
1284#endif
1285
1286extern const struct iwl_channel_info *iwl_get_channel_info(
1287	const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1288
1289/* Requires full declaration of iwl_priv before including */
1290
1291#endif				/* __iwl4965_4965_h__ */
1292