iwl-dev.h revision fd4abac54a7a7f1c0acad5ddc1fbf4af22f92569
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 ieee80211_tx_status status;
123	struct sk_buff *skb[MAX_NUM_OF_TBS];
124};
125
126/**
127 * struct iwl_tx_queue - Tx Queue for DMA
128 * @q: generic Rx/Tx queue descriptor
129 * @bd: base of circular buffer of TFDs
130 * @cmd: array of command/Tx buffers
131 * @dma_addr_cmd: physical address of cmd/tx buffer array
132 * @txb: array of per-TFD driver data
133 * @need_update: indicates need to update read/write index
134 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
135 *
136 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
137 * descriptors) and required locking structures.
138 */
139struct iwl_tx_queue {
140	struct iwl_queue q;
141	struct iwl_tfd_frame *bd;
142	struct iwl_cmd *cmd;
143	dma_addr_t dma_addr_cmd;
144	struct iwl_tx_info *txb;
145	int need_update;
146	int sched_retry;
147	int active;
148};
149
150#define IWL_NUM_SCAN_RATES         (2)
151
152struct iwl4965_channel_tgd_info {
153	u8 type;
154	s8 max_power;
155};
156
157struct iwl4965_channel_tgh_info {
158	s64 last_radar_time;
159};
160
161/* current Tx power values to use, one for each rate for each channel.
162 * requested power is limited by:
163 * -- regulatory EEPROM limits for this channel
164 * -- hardware capabilities (clip-powers)
165 * -- spectrum management
166 * -- user preference (e.g. iwconfig)
167 * when requested power is set, base power index must also be set. */
168struct iwl4965_channel_power_info {
169	struct iwl4965_tx_power tpc;	/* actual radio and DSP gain settings */
170	s8 power_table_index;	/* actual (compenst'd) index into gain table */
171	s8 base_power_index;	/* gain index for power at factory temp. */
172	s8 requested_power;	/* power (dBm) requested for this chnl/rate */
173};
174
175/* current scan Tx power values to use, one for each scan rate for each
176 * channel. */
177struct iwl4965_scan_power_info {
178	struct iwl4965_tx_power tpc;	/* actual radio and DSP gain settings */
179	s8 power_table_index;	/* actual (compenst'd) index into gain table */
180	s8 requested_power;	/* scan pwr (dBm) requested for chnl/rate */
181};
182
183/* For fat_extension_channel */
184enum {
185	HT_IE_EXT_CHANNEL_NONE = 0,
186	HT_IE_EXT_CHANNEL_ABOVE,
187	HT_IE_EXT_CHANNEL_INVALID,
188	HT_IE_EXT_CHANNEL_BELOW,
189	HT_IE_EXT_CHANNEL_MAX
190};
191
192/*
193 * One for each channel, holds all channel setup data
194 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
195 *     with one another!
196 */
197#define IWL4965_MAX_RATE (33)
198
199struct iwl_channel_info {
200	struct iwl4965_channel_tgd_info tgd;
201	struct iwl4965_channel_tgh_info tgh;
202	struct iwl_eeprom_channel eeprom;	/* EEPROM regulatory limit */
203	struct iwl_eeprom_channel fat_eeprom;	/* EEPROM regulatory limit for
204						 * FAT channel */
205
206	u8 channel;	  /* channel number */
207	u8 flags;	  /* flags copied from EEPROM */
208	s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
209	s8 curr_txpow;	  /* (dBm) regulatory/spectrum/user (not h/w) limit */
210	s8 min_power;	  /* always 0 */
211	s8 scan_power;	  /* (dBm) regul. eeprom, direct scans, any rate */
212
213	u8 group_index;	  /* 0-4, maps channel to group1/2/3/4/5 */
214	u8 band_index;	  /* 0-4, maps channel to band1/2/3/4/5 */
215	enum ieee80211_band band;
216
217	/* Radio/DSP gain settings for each "normal" data Tx rate.
218	 * These include, in addition to RF and DSP gain, a few fields for
219	 *   remembering/modifying gain settings (indexes). */
220	struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
221
222	/* FAT channel info */
223	s8 fat_max_power_avg;	/* (dBm) regul. eeprom, normal Tx, any rate */
224	s8 fat_curr_txpow;	/* (dBm) regulatory/spectrum/user (not h/w) */
225	s8 fat_min_power;	/* always 0 */
226	s8 fat_scan_power;	/* (dBm) eeprom, direct scans, any rate */
227	u8 fat_flags;		/* flags copied from EEPROM */
228	u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
229
230	/* Radio/DSP gain settings for each scan rate, for directed scans. */
231	struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
232};
233
234struct iwl4965_clip_group {
235	/* maximum power level to prevent clipping for each rate, derived by
236	 *   us from this band's saturation power in EEPROM */
237	const s8 clip_powers[IWL_MAX_RATES];
238};
239
240#include "iwl-4965-rs.h"
241
242#define IWL_TX_FIFO_AC0	0
243#define IWL_TX_FIFO_AC1	1
244#define IWL_TX_FIFO_AC2	2
245#define IWL_TX_FIFO_AC3	3
246#define IWL_TX_FIFO_HCCA_1	5
247#define IWL_TX_FIFO_HCCA_2	6
248#define IWL_TX_FIFO_NONE	7
249
250/* Minimum number of queues. MAX_NUM is defined in hw specific files */
251#define IWL_MIN_NUM_QUEUES	4
252
253/* Power management (not Tx power) structures */
254
255enum iwl_pwr_src {
256	IWL_PWR_SRC_VMAIN,
257	IWL_PWR_SRC_VAUX,
258};
259
260#define IEEE80211_DATA_LEN              2304
261#define IEEE80211_4ADDR_LEN             30
262#define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
263#define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
264
265struct iwl_frame {
266	union {
267		struct ieee80211_hdr frame;
268		struct iwl4965_tx_beacon_cmd beacon;
269		u8 raw[IEEE80211_FRAME_LEN];
270		u8 cmd[360];
271	} u;
272	struct list_head list;
273};
274
275#define SEQ_TO_QUEUE(x)  ((x >> 8) & 0xbf)
276#define QUEUE_TO_SEQ(x)  ((x & 0xbf) << 8)
277#define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
278#define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
279#define SEQ_HUGE_FRAME  (0x4000)
280#define SEQ_RX_FRAME    __constant_cpu_to_le16(0x8000)
281#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
282#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
283#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
284
285enum {
286	/* CMD_SIZE_NORMAL = 0, */
287	CMD_SIZE_HUGE = (1 << 0),
288	/* CMD_SYNC = 0, */
289	CMD_ASYNC = (1 << 1),
290	/* CMD_NO_SKB = 0, */
291	CMD_WANT_SKB = (1 << 2),
292};
293
294struct iwl_cmd;
295struct iwl_priv;
296
297struct iwl_cmd_meta {
298	struct iwl_cmd_meta *source;
299	union {
300		struct sk_buff *skb;
301		int (*callback)(struct iwl_priv *priv,
302				struct iwl_cmd *cmd, struct sk_buff *skb);
303	} __attribute__ ((packed)) u;
304
305	/* The CMD_SIZE_HUGE flag bit indicates that the command
306	 * structure is stored at the end of the shared queue memory. */
307	u32 flags;
308
309} __attribute__ ((packed));
310
311/**
312 * struct iwl_cmd
313 *
314 * For allocation of the command and tx queues, this establishes the overall
315 * size of the largest command we send to uCode, except for a scan command
316 * (which is relatively huge; space is allocated separately).
317 */
318struct iwl_cmd {
319	struct iwl_cmd_meta meta;	/* driver data */
320	struct iwl_cmd_header hdr;	/* uCode API */
321	union {
322		struct iwl_addsta_cmd addsta;
323		struct iwl4965_led_cmd led;
324		u32 flags;
325		u8 val8;
326		u16 val16;
327		u32 val32;
328		struct iwl4965_bt_cmd bt;
329		struct iwl4965_rxon_time_cmd rxon_time;
330		struct iwl4965_powertable_cmd powertable;
331		struct iwl4965_qosparam_cmd qosparam;
332		struct iwl_tx_cmd tx;
333		struct iwl4965_tx_beacon_cmd tx_beacon;
334		struct iwl4965_rxon_assoc_cmd rxon_assoc;
335		u8 *indirect;
336		u8 payload[360];
337	} __attribute__ ((packed)) cmd;
338} __attribute__ ((packed));
339
340struct iwl_host_cmd {
341	u8 id;
342	u16 len;
343	struct iwl_cmd_meta meta;
344	const void *data;
345};
346
347#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
348			      sizeof(struct iwl_cmd_meta))
349
350/*
351 * RX related structures and functions
352 */
353#define RX_FREE_BUFFERS 64
354#define RX_LOW_WATERMARK 8
355
356#define SUP_RATE_11A_MAX_NUM_CHANNELS  8
357#define SUP_RATE_11B_MAX_NUM_CHANNELS  4
358#define SUP_RATE_11G_MAX_NUM_CHANNELS  12
359
360/**
361 * struct iwl_rx_queue - Rx queue
362 * @processed: Internal index to last handled Rx packet
363 * @read: Shared index to newest available Rx buffer
364 * @write: Shared index to oldest written Rx packet
365 * @free_count: Number of pre-allocated buffers in rx_free
366 * @rx_free: list of free SKBs for use
367 * @rx_used: List of Rx buffers with no SKB
368 * @need_update: flag to indicate we need to update read/write index
369 *
370 * NOTE:  rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
371 */
372struct iwl_rx_queue {
373	__le32 *bd;
374	dma_addr_t dma_addr;
375	struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
376	struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
377	u32 processed;
378	u32 read;
379	u32 write;
380	u32 free_count;
381	struct list_head rx_free;
382	struct list_head rx_used;
383	int need_update;
384	spinlock_t lock;
385};
386
387#define IWL_SUPPORTED_RATES_IE_LEN         8
388
389#define SCAN_INTERVAL 100
390
391#define MAX_A_CHANNELS  252
392#define MIN_A_CHANNELS  7
393
394#define MAX_B_CHANNELS  14
395#define MIN_B_CHANNELS  1
396
397#define MAX_TID_COUNT        9
398
399#define IWL_INVALID_RATE     0xFF
400#define IWL_INVALID_VALUE    -1
401
402#ifdef CONFIG_IWL4965_HT
403/**
404 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
405 * @txq_id: Tx queue used for Tx attempt
406 * @frame_count: # frames attempted by Tx command
407 * @wait_for_ba: Expect block-ack before next Tx reply
408 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
409 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
410 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
411 * @rate_n_flags: Rate at which Tx was attempted
412 *
413 * If REPLY_TX indicates that aggregation was attempted, driver must wait
414 * for block ack (REPLY_COMPRESSED_BA).  This struct stores tx reply info
415 * until block ack arrives.
416 */
417struct iwl_ht_agg {
418	u16 txq_id;
419	u16 frame_count;
420	u16 wait_for_ba;
421	u16 start_idx;
422	u64 bitmap;
423	u32 rate_n_flags;
424#define IWL_AGG_OFF 0
425#define IWL_AGG_ON 1
426#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
427#define IWL_EMPTYING_HW_QUEUE_DELBA 3
428	u8 state;
429};
430
431#endif /* CONFIG_IWL4965_HT */
432
433struct iwl_tid_data {
434	u16 seq_number;
435	u16 tfds_in_queue;
436#ifdef CONFIG_IWL4965_HT
437	struct iwl_ht_agg agg;
438#endif /* CONFIG_IWL4965_HT */
439};
440
441struct iwl_hw_key {
442	enum ieee80211_key_alg alg;
443	int keylen;
444	u8 keyidx;
445	struct ieee80211_key_conf *conf;
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_ONLY	(1 << 0)
614#define HT_SHORT_GI_40MHZ_ONLY	(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_rxq_stop(struct iwl_priv *priv);
688extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv);
689extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv);
690extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv);
691extern int iwl4965_hw_nic_reset(struct iwl_priv *priv);
692extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
693extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
694				 struct iwl_frame *frame, u8 rate);
695extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
696				     struct iwl_cmd *cmd,
697				     struct ieee80211_tx_control *ctrl,
698				     struct ieee80211_hdr *hdr,
699				     int sta_id, int tx_id);
700extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
701extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
702extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
703				 struct iwl_rx_mem_buffer *rxb);
704extern void iwl4965_disable_events(struct iwl_priv *priv);
705extern int iwl4965_get_temperature(const struct iwl_priv *priv);
706
707/**
708 * iwl_find_station - Find station id for a given BSSID
709 * @bssid: MAC address of station ID to find
710 *
711 * NOTE:  This should not be hardware specific but the code has
712 * not yet been merged into a single common layer for managing the
713 * station tables.
714 */
715extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid);
716
717extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
718extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
719extern int iwl_queue_space(const struct iwl_queue *q);
720static inline int iwl_queue_used(const struct iwl_queue *q, int i)
721{
722	return q->write_ptr > q->read_ptr ?
723		(i >= q->read_ptr && i < q->write_ptr) :
724		!(i < q->read_ptr && i >= q->write_ptr);
725}
726
727
728static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
729{
730	/* This is for scan command, the big buffer at end of command array */
731	if (is_huge)
732		return q->n_window;	/* must be power of 2 */
733
734	/* Otherwise, use normal size buffers */
735	return index & (q->n_window - 1);
736}
737
738
739struct iwl_priv;
740
741extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio);
742/*
743 * Forward declare iwl-4965.c functions for iwl-base.c
744 */
745extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
746					  struct iwl_tx_queue *txq,
747					  u16 byte_cnt);
748extern int iwl4965_alive_notify(struct iwl_priv *priv);
749extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
750extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
751extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
752					 u32 rate_n_flags,
753					 struct ieee80211_tx_control *control);
754
755#ifdef CONFIG_IWL4965_HT
756extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
757				struct ieee80211_ht_info *ht_info,
758				enum ieee80211_band band);
759void iwl4965_set_rxon_ht(struct iwl_priv *priv,
760			 struct iwl_ht_info *ht_info);
761int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
762				    enum ieee80211_ampdu_mlme_action action,
763				    const u8 *addr, u16 tid, u16 *ssn);
764int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
765					u8 tid, int txq_id);
766#else
767static inline void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
768					    struct ieee80211_ht_info *ht_info,
769					    enum ieee80211_band band) {}
770
771#endif /*CONFIG_IWL4965_HT */
772/* Structures, enum, and defines specific to the 4965 */
773
774#define IWL_KW_SIZE 0x1000	/*4k */
775
776struct iwl_kw {
777	dma_addr_t dma_addr;
778	void *v_addr;
779	size_t size;
780};
781
782#define IWL_CHANNEL_WIDTH_20MHZ   0
783#define IWL_CHANNEL_WIDTH_40MHZ   1
784
785#define IWL_MIMO_PS_STATIC        0
786#define IWL_MIMO_PS_NONE          3
787#define IWL_MIMO_PS_DYNAMIC       1
788#define IWL_MIMO_PS_INVALID       2
789
790#define IWL_OPERATION_MODE_AUTO     0
791#define IWL_OPERATION_MODE_HT_ONLY  1
792#define IWL_OPERATION_MODE_MIXED    2
793#define IWL_OPERATION_MODE_20MHZ    3
794
795#define IWL_EXT_CHANNEL_OFFSET_NONE      0
796#define IWL_EXT_CHANNEL_OFFSET_ABOVE     1
797#define IWL_EXT_CHANNEL_OFFSET_RESERVE1  2
798#define IWL_EXT_CHANNEL_OFFSET_BELOW     3
799
800#define IWL_TX_CRC_SIZE 4
801#define IWL_TX_DELIMITER_SIZE 4
802
803#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
804
805struct iwl4965_lq_mngr {
806	spinlock_t lock;
807	s32 max_window_size;
808	s32 *expected_tpt;
809	u8 *next_higher_rate;
810	u8 *next_lower_rate;
811	unsigned long stamp;
812	unsigned long stamp_last;
813	u32 flush_time;
814	u32 tx_packets;
815	u8 lq_ready;
816};
817
818/* Sensitivity and chain noise calibration */
819#define INTERFERENCE_DATA_AVAILABLE	__constant_cpu_to_le32(1)
820#define INITIALIZATION_VALUE		0xFFFF
821#define CAL_NUM_OF_BEACONS		20
822#define MAXIMUM_ALLOWED_PATHLOSS	15
823
824#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
825
826#define MAX_FA_OFDM  50
827#define MIN_FA_OFDM  5
828#define MAX_FA_CCK   50
829#define MIN_FA_CCK   5
830
831#define AUTO_CORR_STEP_OFDM       1
832
833#define AUTO_CORR_STEP_CCK     3
834#define AUTO_CORR_MAX_TH_CCK   160
835
836#define NRG_DIFF               2
837#define NRG_STEP_CCK           2
838#define NRG_MARGIN             8
839#define MAX_NUMBER_CCK_NO_FA 100
840
841#define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
842
843#define CHAIN_A             0
844#define CHAIN_B             1
845#define CHAIN_C             2
846#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
847#define ALL_BAND_FILTER			0xFF00
848#define IN_BAND_FILTER			0xFF
849#define MIN_AVERAGE_NOISE_MAX_VALUE	0xFFFFFFFF
850
851#define NRG_NUM_PREV_STAT_L     20
852#define NUM_RX_CHAINS           3
853
854enum iwl4965_false_alarm_state {
855	IWL_FA_TOO_MANY = 0,
856	IWL_FA_TOO_FEW = 1,
857	IWL_FA_GOOD_RANGE = 2,
858};
859
860enum iwl4965_chain_noise_state {
861	IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
862	IWL_CHAIN_NOISE_ACCUMULATE = 1,
863	IWL_CHAIN_NOISE_CALIBRATED = 2,
864};
865
866enum iwl4965_calib_enabled_state {
867	IWL_CALIB_DISABLED = 0,  /* must be 0 */
868	IWL_CALIB_ENABLED = 1,
869};
870
871struct statistics_general_data {
872	u32 beacon_silence_rssi_a;
873	u32 beacon_silence_rssi_b;
874	u32 beacon_silence_rssi_c;
875	u32 beacon_energy_a;
876	u32 beacon_energy_b;
877	u32 beacon_energy_c;
878};
879
880#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
881/* Sensitivity calib data */
882struct iwl_sensitivity_data {
883	u32 auto_corr_ofdm;
884	u32 auto_corr_ofdm_mrc;
885	u32 auto_corr_ofdm_x1;
886	u32 auto_corr_ofdm_mrc_x1;
887	u32 auto_corr_cck;
888	u32 auto_corr_cck_mrc;
889
890	u32 last_bad_plcp_cnt_ofdm;
891	u32 last_fa_cnt_ofdm;
892	u32 last_bad_plcp_cnt_cck;
893	u32 last_fa_cnt_cck;
894
895	u32 nrg_curr_state;
896	u32 nrg_prev_state;
897	u32 nrg_value[10];
898	u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
899	u32 nrg_silence_ref;
900	u32 nrg_energy_idx;
901	u32 nrg_silence_idx;
902	u32 nrg_th_cck;
903	s32 nrg_auto_corr_silence_diff;
904	u32 num_in_cck_no_fa;
905	u32 nrg_th_ofdm;
906};
907
908/* Chain noise (differential Rx gain) calib data */
909struct iwl_chain_noise_data {
910	u8 state;
911	u16 beacon_count;
912	u32 chain_noise_a;
913	u32 chain_noise_b;
914	u32 chain_noise_c;
915	u32 chain_signal_a;
916	u32 chain_signal_b;
917	u32 chain_signal_c;
918	u8 disconn_array[NUM_RX_CHAINS];
919	u8 delta_gain_code[NUM_RX_CHAINS];
920	u8 radio_write;
921};
922#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
923
924#define	EEPROM_SEM_TIMEOUT 10		/* milliseconds */
925#define EEPROM_SEM_RETRY_LIMIT 1000	/* number of attempts (not time) */
926
927
928#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
929
930enum {
931	MEASUREMENT_READY = (1 << 0),
932	MEASUREMENT_ACTIVE = (1 << 1),
933};
934
935#endif
936
937#define IWL_MAX_NUM_QUEUES	20 /* FIXME: do dynamic allocation */
938
939struct iwl_priv {
940
941	/* ieee device used by generic ieee processing code */
942	struct ieee80211_hw *hw;
943	struct ieee80211_channel *ieee_channels;
944	struct ieee80211_rate *ieee_rates;
945	struct iwl_cfg *cfg;
946
947	/* temporary frame storage list */
948	struct list_head free_frames;
949	int frames_count;
950
951	enum ieee80211_band band;
952	int alloc_rxb_skb;
953	bool add_radiotap;
954
955	void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
956				       struct iwl_rx_mem_buffer *rxb);
957
958	struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
959
960#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
961	/* spectrum measurement report caching */
962	struct iwl4965_spectrum_notification measure_report;
963	u8 measurement_status;
964#endif
965	/* ucode beacon time */
966	u32 ucode_beacon_time;
967
968	/* we allocate array of iwl4965_channel_info for NIC's valid channels.
969	 *    Access via channel # using indirect index array */
970	struct iwl_channel_info *channel_info;	/* channel info array */
971	u8 channel_count;	/* # of channels */
972
973	/* each calibration channel group in the EEPROM has a derived
974	 * clip setting for each rate. */
975	const struct iwl4965_clip_group clip_groups[5];
976
977	/* thermal calibration */
978	s32 temperature;	/* degrees Kelvin */
979	s32 last_temperature;
980
981	/* Scan related variables */
982	unsigned long last_scan_jiffies;
983	unsigned long next_scan_jiffies;
984	unsigned long scan_start;
985	unsigned long scan_pass_start;
986	unsigned long scan_start_tsf;
987	int scan_bands;
988	int one_direct_scan;
989	u8 direct_ssid_len;
990	u8 direct_ssid[IW_ESSID_MAX_SIZE];
991	struct iwl4965_scan_cmd *scan;
992
993	/* spinlock */
994	spinlock_t lock;	/* protect general shared data */
995	spinlock_t hcmd_lock;	/* protect hcmd */
996	struct mutex mutex;
997
998	/* basic pci-network driver stuff */
999	struct pci_dev *pci_dev;
1000
1001	/* pci hardware address support */
1002	void __iomem *hw_base;
1003	u32  hw_rev;
1004	u32  hw_wa_rev;
1005	u8   rev_id;
1006
1007	/* uCode images, save to reload in case of failure */
1008	struct fw_desc ucode_code;	/* runtime inst */
1009	struct fw_desc ucode_data;	/* runtime data original */
1010	struct fw_desc ucode_data_backup;	/* runtime data save/restore */
1011	struct fw_desc ucode_init;	/* initialization inst */
1012	struct fw_desc ucode_init_data;	/* initialization data */
1013	struct fw_desc ucode_boot;	/* bootstrap inst */
1014
1015
1016	struct iwl4965_rxon_time_cmd rxon_timing;
1017
1018	/* We declare this const so it can only be
1019	 * changed via explicit cast within the
1020	 * routines that actually update the physical
1021	 * hardware */
1022	const struct iwl_rxon_cmd active_rxon;
1023	struct iwl_rxon_cmd staging_rxon;
1024
1025	int error_recovering;
1026	struct iwl_rxon_cmd recovery_rxon;
1027
1028	/* 1st responses from initialize and runtime uCode images.
1029	 * 4965's initialize alive response contains some calibration data. */
1030	struct iwl4965_init_alive_resp card_alive_init;
1031	struct iwl4965_alive_resp card_alive;
1032#ifdef CONFIG_IWLWIFI_RFKILL
1033	struct iwl_rfkill_mngr rfkill_mngr;
1034#endif
1035
1036#ifdef CONFIG_IWLWIFI_LEDS
1037	struct iwl4965_led led[IWL_LED_TRG_MAX];
1038	unsigned long last_blink_time;
1039	u8 last_blink_rate;
1040	u8 allow_blinking;
1041	u64 led_tpt;
1042#endif
1043
1044	u16 active_rate;
1045	u16 active_rate_basic;
1046
1047	u8 assoc_station_added;
1048	u8 use_ant_b_for_management_frame;	/* Tx antenna selection */
1049	u8 start_calib;
1050#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1051	struct iwl_sensitivity_data sensitivity_data;
1052	struct iwl_chain_noise_data chain_noise_data;
1053	__le16 sensitivity_tbl[HD_TABLE_SIZE];
1054#endif /*CONFIG_IWLWIFI_RUN_TIME_CALIB*/
1055
1056#ifdef CONFIG_IWL4965_HT
1057	struct iwl_ht_info current_ht_config;
1058#endif
1059	u8 last_phy_res[100];
1060
1061	/* Rate scaling data */
1062	struct iwl4965_lq_mngr lq_mngr;
1063
1064	/* Rate scaling data */
1065	s8 data_retry_limit;
1066	u8 retry_rate;
1067
1068	wait_queue_head_t wait_command_queue;
1069
1070	int activity_timer_active;
1071
1072	/* Rx and Tx DMA processing queues */
1073	struct iwl_rx_queue rxq;
1074	struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
1075	unsigned long txq_ctx_active_msk;
1076	struct iwl_kw kw;	/* keep warm address */
1077	u32 scd_base_addr;	/* scheduler sram base address */
1078
1079	unsigned long status;
1080
1081	int last_rx_rssi;	/* From Rx packet statisitics */
1082	int last_rx_noise;	/* From beacon statistics */
1083
1084	/* counts mgmt, ctl, and data packets */
1085	struct traffic_stats {
1086		u32 cnt;
1087		u64 bytes;
1088	} tx_stats[3], rx_stats[3];
1089
1090	struct iwl_power_mgr power_data;
1091
1092	struct iwl4965_notif_statistics statistics;
1093	unsigned long last_statistics_time;
1094
1095	/* context information */
1096	u8 essid[IW_ESSID_MAX_SIZE];
1097	u8 essid_len;
1098	u16 rates_mask;
1099
1100	u32 power_mode;
1101	u32 antenna;
1102	u8 bssid[ETH_ALEN];
1103	u16 rts_threshold;
1104	u8 mac_addr[ETH_ALEN];
1105
1106	/*station table variables */
1107	spinlock_t sta_lock;
1108	int num_stations;
1109	struct iwl_station_entry stations[IWL_STATION_COUNT];
1110	struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1111	u8 default_wep_key;
1112	u8 key_mapping_key;
1113	unsigned long ucode_key_table;
1114
1115	/* Indication if ieee80211_ops->open has been called */
1116	u8 is_open;
1117
1118	u8 mac80211_registered;
1119
1120	u32 notif_missed_beacons;
1121
1122	/* Rx'd packet timing information */
1123	u32 last_beacon_time;
1124	u64 last_tsf;
1125
1126	/* Duplicate packet detection */
1127	u16 last_seq_num;
1128	u16 last_frag_num;
1129	unsigned long last_packet_time;
1130
1131	/* Hash table for finding stations in IBSS network */
1132	struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1133
1134	/* eeprom */
1135	u8 *eeprom;
1136	struct iwl_eeprom_calib_info *calib_info;
1137
1138	enum ieee80211_if_types iw_mode;
1139
1140	struct sk_buff *ibss_beacon;
1141
1142	/* Last Rx'd beacon timestamp */
1143	u64 timestamp;
1144	u16 beacon_int;
1145	struct ieee80211_vif *vif;
1146
1147	struct iwl_hw_params hw_params;
1148	/* driver/uCode shared Tx Byte Counts and Rx status */
1149	void *shared_virt;
1150	int rb_closed_offset;
1151	/* Physical Pointer to Tx Byte Counts and Rx status */
1152	dma_addr_t shared_phys;
1153
1154	/* Current association information needed to configure the
1155	 * hardware */
1156	u16 assoc_id;
1157	u16 assoc_capability;
1158	u8 ps_mode;
1159
1160	struct iwl4965_qos_info qos_data;
1161
1162	struct workqueue_struct *workqueue;
1163
1164	struct work_struct up;
1165	struct work_struct restart;
1166	struct work_struct calibrated_work;
1167	struct work_struct scan_completed;
1168	struct work_struct rx_replenish;
1169	struct work_struct rf_kill;
1170	struct work_struct abort_scan;
1171	struct work_struct update_link_led;
1172	struct work_struct auth_work;
1173	struct work_struct report_work;
1174	struct work_struct request_scan;
1175	struct work_struct beacon_update;
1176	struct work_struct set_monitor;
1177
1178	struct tasklet_struct irq_tasklet;
1179
1180	struct delayed_work init_alive_start;
1181	struct delayed_work alive_start;
1182	struct delayed_work activity_timer;
1183	struct delayed_work thermal_periodic;
1184	struct delayed_work gather_stats;
1185	struct delayed_work scan_check;
1186	struct delayed_work post_associate;
1187
1188#define IWL_DEFAULT_TX_POWER 0x0F
1189	s8 user_txpower_limit;
1190	s8 max_channel_txpower_limit;
1191
1192#ifdef CONFIG_PM
1193	u32 pm_state[16];
1194#endif
1195
1196#ifdef CONFIG_IWLWIFI_DEBUG
1197	/* debugging info */
1198	u32 debug_level;
1199	u32 framecnt_to_us;
1200	atomic_t restrict_refcnt;
1201#ifdef CONFIG_IWLWIFI_DEBUGFS
1202	/* debugfs */
1203	struct iwl_debugfs *dbgfs;
1204#endif /* CONFIG_IWLWIFI_DEBUGFS */
1205#endif /* CONFIG_IWLWIFI_DEBUG */
1206
1207	struct work_struct txpower_work;
1208#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
1209	struct work_struct sensitivity_work;
1210#endif
1211	struct timer_list statistics_periodic;
1212}; /*iwl_priv */
1213
1214static inline int iwl_is_associated(struct iwl_priv *priv)
1215{
1216	return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1217}
1218
1219static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1220{
1221	if (ch_info == NULL)
1222		return 0;
1223	return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1224}
1225
1226static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1227{
1228	return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1229}
1230
1231static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1232{
1233	return ch_info->band == IEEE80211_BAND_5GHZ;
1234}
1235
1236static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1237{
1238	return ch_info->band == IEEE80211_BAND_2GHZ;
1239}
1240
1241static inline int is_channel_passive(const struct iwl_channel_info *ch)
1242{
1243	return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1244}
1245
1246static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1247{
1248	return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1249}
1250
1251#ifdef CONFIG_IWLWIFI_DEBUG
1252static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1253				      void *p, u32 len)
1254{
1255	if (!(priv->debug_level & level))
1256		return;
1257
1258	print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1259			p, len, 1);
1260}
1261#else
1262static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1263				      void *p, u32 len)
1264{
1265}
1266#endif
1267
1268extern const struct iwl_channel_info *iwl_get_channel_info(
1269	const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1270
1271/* Requires full declaration of iwl_priv before including */
1272
1273#endif				/* __iwl4965_4965_h__ */
1274