iwl-dev.h revision 4f40e4d9fb8fe028db9ba2a7b4d3ac7328f73bbc
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 iwl4965_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_cmd_len: Size of Tx command (but not including frame itself)
577 * @tx/rx_chains_num: Number of TX/RX chains
578 * @valid_tx/rx_ant: usable antennas
579 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
580 * @max_rxq_log: Log-base-2 of max_rxq_size
581 * @rx_buf_size: Rx buffer size
582 * @max_stations:
583 * @bcast_sta_id:
584 * @fat_channel: is 40MHz width possible in band 2.4
585 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
586 * @sw_crypto: 0 for hw, 1 for sw
587 * @max_xxx_size: for ucode uses
588 * @ct_kill_threshold: temperature threshold
589 * @struct iwl_sensitivity_ranges: range of sensitivity values
590 */
591struct iwl_hw_params {
592	u16 max_txq_num;
593	u16 tx_cmd_len;
594	u8  tx_chains_num;
595	u8  rx_chains_num;
596	u8  valid_tx_ant;
597	u8  valid_rx_ant;
598	u16 max_rxq_size;
599	u16 max_rxq_log;
600	u32 rx_buf_size;
601	u32 max_pkt_size;
602	u8  max_stations;
603	u8  bcast_sta_id;
604	u8 fat_channel;
605	u8 sw_crypto;
606	u32 max_inst_size;
607	u32 max_data_size;
608	u32 max_bsm_size;
609	u32 ct_kill_threshold; /* value in hw-dependent units */
610#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
611	const struct iwl_sensitivity_ranges *sens;
612#endif
613};
614
615#define HT_SHORT_GI_20MHZ_ONLY	(1 << 0)
616#define HT_SHORT_GI_40MHZ_ONLY	(1 << 1)
617
618
619#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
620		       x->u.rx_frame.stats.payload + \
621		       x->u.rx_frame.stats.phy_count))
622#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
623		       IWL_RX_HDR(x)->payload + \
624		       le16_to_cpu(IWL_RX_HDR(x)->len)))
625#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
626#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
627
628
629/******************************************************************************
630 *
631 * Functions implemented in iwl-base.c which are forward declared here
632 * for use by iwl-*.c
633 *
634 *****************************************************************************/
635struct iwl_addsta_cmd;
636extern int iwl_send_add_sta(struct iwl_priv *priv,
637			    struct iwl_addsta_cmd *sta, u8 flags);
638u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
639			 u8 flags, struct ieee80211_ht_info *ht_info);
640extern int iwl4965_is_network_packet(struct iwl_priv *priv,
641				 struct ieee80211_hdr *header);
642extern int iwl4965_power_init_handle(struct iwl_priv *priv);
643extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv,
644					   struct iwl_rx_mem_buffer *rxb,
645					   void *data, short len,
646					   struct ieee80211_rx_status *stats,
647					   u16 phy_flags);
648extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv,
649				       struct ieee80211_hdr *header);
650extern int iwl4965_calc_db_from_ratio(int sig_ratio);
651extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
652extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
653					struct ieee80211_hdr *hdr,
654					const u8 *dest, int left);
655extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
656extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
657int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
658
659int iwl4965_init_geos(struct iwl_priv *priv);
660void iwl4965_free_geos(struct iwl_priv *priv);
661
662extern const u8 iwl_bcast_addr[ETH_ALEN];
663int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
664
665/*
666 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
667 * call this... todo... fix that.
668*/
669extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id,
670			   u16 tx_rate, u8 flags);
671
672/******************************************************************************
673 *
674 * Functions implemented in iwl-[34]*.c which are forward declared here
675 * for use by iwl-base.c
676 *
677 * NOTE:  The implementation of these functions are hardware specific
678 * which is why they are in the hardware specific files (vs. iwl-base.c)
679 *
680 * Naming convention --
681 * iwl4965_         <-- Its part of iwlwifi (should be changed to iwl4965_)
682 * iwl4965_hw_      <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
683 * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
684 * iwl4965_bg_      <-- Called from work queue context
685 * iwl4965_mac_     <-- mac80211 callback
686 *
687 ****************************************************************************/
688extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
689extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
690extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv);
691extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv);
692extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv);
693extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv);
694extern int iwl4965_hw_nic_reset(struct iwl_priv *priv);
695extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
696					dma_addr_t addr, u16 len);
697extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
698extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
699				 struct iwl_frame *frame, u8 rate);
700extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
701				     struct iwl_cmd *cmd,
702				     struct ieee80211_tx_control *ctrl,
703				     struct ieee80211_hdr *hdr,
704				     int sta_id, int tx_id);
705extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
706extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
707extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
708				 struct iwl_rx_mem_buffer *rxb);
709extern void iwl4965_disable_events(struct iwl_priv *priv);
710extern int iwl4965_get_temperature(const struct iwl_priv *priv);
711
712/**
713 * iwl_find_station - Find station id for a given BSSID
714 * @bssid: MAC address of station ID to find
715 *
716 * NOTE:  This should not be hardware specific but the code has
717 * not yet been merged into a single common layer for managing the
718 * station tables.
719 */
720extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid);
721
722extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
723extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
724extern int iwl_queue_space(const struct iwl_queue *q);
725struct iwl_priv;
726
727extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio);
728/*
729 * Forward declare iwl-4965.c functions for iwl-base.c
730 */
731extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
732					  struct iwl_tx_queue *txq,
733					  u16 byte_cnt);
734extern int iwl4965_alive_notify(struct iwl_priv *priv);
735extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
736extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
737extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
738					 u32 rate_n_flags,
739					 struct ieee80211_tx_control *control);
740
741#ifdef CONFIG_IWL4965_HT
742extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
743				struct ieee80211_ht_info *ht_info,
744				enum ieee80211_band band);
745void iwl4965_set_rxon_ht(struct iwl_priv *priv,
746			 struct iwl_ht_info *ht_info);
747int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
748				    enum ieee80211_ampdu_mlme_action action,
749				    const u8 *addr, u16 tid, u16 *ssn);
750int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
751					u8 tid, int txq_id);
752#else
753static inline void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
754					    struct ieee80211_ht_info *ht_info,
755					    enum ieee80211_band band) {}
756
757#endif /*CONFIG_IWL4965_HT */
758/* Structures, enum, and defines specific to the 4965 */
759
760#define IWL_KW_SIZE 0x1000	/*4k */
761
762struct iwl_kw {
763	dma_addr_t dma_addr;
764	void *v_addr;
765	size_t size;
766};
767
768#define IWL_CHANNEL_WIDTH_20MHZ   0
769#define IWL_CHANNEL_WIDTH_40MHZ   1
770
771#define IWL_MIMO_PS_STATIC        0
772#define IWL_MIMO_PS_NONE          3
773#define IWL_MIMO_PS_DYNAMIC       1
774#define IWL_MIMO_PS_INVALID       2
775
776#define IWL_OPERATION_MODE_AUTO     0
777#define IWL_OPERATION_MODE_HT_ONLY  1
778#define IWL_OPERATION_MODE_MIXED    2
779#define IWL_OPERATION_MODE_20MHZ    3
780
781#define IWL_EXT_CHANNEL_OFFSET_NONE      0
782#define IWL_EXT_CHANNEL_OFFSET_ABOVE     1
783#define IWL_EXT_CHANNEL_OFFSET_RESERVE1  2
784#define IWL_EXT_CHANNEL_OFFSET_BELOW     3
785
786#define IWL_TX_CRC_SIZE 4
787#define IWL_TX_DELIMITER_SIZE 4
788
789#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
790
791struct iwl4965_lq_mngr {
792	spinlock_t lock;
793	s32 max_window_size;
794	s32 *expected_tpt;
795	u8 *next_higher_rate;
796	u8 *next_lower_rate;
797	unsigned long stamp;
798	unsigned long stamp_last;
799	u32 flush_time;
800	u32 tx_packets;
801	u8 lq_ready;
802};
803
804/* Sensitivity and chain noise calibration */
805#define INTERFERENCE_DATA_AVAILABLE	__constant_cpu_to_le32(1)
806#define INITIALIZATION_VALUE		0xFFFF
807#define CAL_NUM_OF_BEACONS		20
808#define MAXIMUM_ALLOWED_PATHLOSS	15
809
810#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
811
812#define MAX_FA_OFDM  50
813#define MIN_FA_OFDM  5
814#define MAX_FA_CCK   50
815#define MIN_FA_CCK   5
816
817#define AUTO_CORR_STEP_OFDM       1
818
819#define AUTO_CORR_STEP_CCK     3
820#define AUTO_CORR_MAX_TH_CCK   160
821
822#define NRG_DIFF               2
823#define NRG_STEP_CCK           2
824#define NRG_MARGIN             8
825#define MAX_NUMBER_CCK_NO_FA 100
826
827#define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
828
829#define CHAIN_A             0
830#define CHAIN_B             1
831#define CHAIN_C             2
832#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
833#define ALL_BAND_FILTER			0xFF00
834#define IN_BAND_FILTER			0xFF
835#define MIN_AVERAGE_NOISE_MAX_VALUE	0xFFFFFFFF
836
837#define NRG_NUM_PREV_STAT_L     20
838#define NUM_RX_CHAINS           3
839
840enum iwl4965_false_alarm_state {
841	IWL_FA_TOO_MANY = 0,
842	IWL_FA_TOO_FEW = 1,
843	IWL_FA_GOOD_RANGE = 2,
844};
845
846enum iwl4965_chain_noise_state {
847	IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
848	IWL_CHAIN_NOISE_ACCUMULATE = 1,
849	IWL_CHAIN_NOISE_CALIBRATED = 2,
850};
851
852enum iwl4965_calib_enabled_state {
853	IWL_CALIB_DISABLED = 0,  /* must be 0 */
854	IWL_CALIB_ENABLED = 1,
855};
856
857struct statistics_general_data {
858	u32 beacon_silence_rssi_a;
859	u32 beacon_silence_rssi_b;
860	u32 beacon_silence_rssi_c;
861	u32 beacon_energy_a;
862	u32 beacon_energy_b;
863	u32 beacon_energy_c;
864};
865
866#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
867/* Sensitivity calib data */
868struct iwl_sensitivity_data {
869	u32 auto_corr_ofdm;
870	u32 auto_corr_ofdm_mrc;
871	u32 auto_corr_ofdm_x1;
872	u32 auto_corr_ofdm_mrc_x1;
873	u32 auto_corr_cck;
874	u32 auto_corr_cck_mrc;
875
876	u32 last_bad_plcp_cnt_ofdm;
877	u32 last_fa_cnt_ofdm;
878	u32 last_bad_plcp_cnt_cck;
879	u32 last_fa_cnt_cck;
880
881	u32 nrg_curr_state;
882	u32 nrg_prev_state;
883	u32 nrg_value[10];
884	u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
885	u32 nrg_silence_ref;
886	u32 nrg_energy_idx;
887	u32 nrg_silence_idx;
888	u32 nrg_th_cck;
889	s32 nrg_auto_corr_silence_diff;
890	u32 num_in_cck_no_fa;
891	u32 nrg_th_ofdm;
892};
893
894/* Chain noise (differential Rx gain) calib data */
895struct iwl_chain_noise_data {
896	u8 state;
897	u16 beacon_count;
898	u32 chain_noise_a;
899	u32 chain_noise_b;
900	u32 chain_noise_c;
901	u32 chain_signal_a;
902	u32 chain_signal_b;
903	u32 chain_signal_c;
904	u8 disconn_array[NUM_RX_CHAINS];
905	u8 delta_gain_code[NUM_RX_CHAINS];
906	u8 radio_write;
907};
908#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
909
910#define	EEPROM_SEM_TIMEOUT 10		/* milliseconds */
911#define EEPROM_SEM_RETRY_LIMIT 1000	/* number of attempts (not time) */
912
913
914#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
915
916enum {
917	MEASUREMENT_READY = (1 << 0),
918	MEASUREMENT_ACTIVE = (1 << 1),
919};
920
921#endif
922
923#define IWL_MAX_NUM_QUEUES	20 /* FIXME: do dynamic allocation */
924
925struct iwl_priv {
926
927	/* ieee device used by generic ieee processing code */
928	struct ieee80211_hw *hw;
929	struct ieee80211_channel *ieee_channels;
930	struct ieee80211_rate *ieee_rates;
931	struct iwl_cfg *cfg;
932
933	/* temporary frame storage list */
934	struct list_head free_frames;
935	int frames_count;
936
937	enum ieee80211_band band;
938	int alloc_rxb_skb;
939	bool add_radiotap;
940
941	void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
942				       struct iwl_rx_mem_buffer *rxb);
943
944	struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
945
946#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
947	/* spectrum measurement report caching */
948	struct iwl4965_spectrum_notification measure_report;
949	u8 measurement_status;
950#endif
951	/* ucode beacon time */
952	u32 ucode_beacon_time;
953
954	/* we allocate array of iwl4965_channel_info for NIC's valid channels.
955	 *    Access via channel # using indirect index array */
956	struct iwl_channel_info *channel_info;	/* channel info array */
957	u8 channel_count;	/* # of channels */
958
959	/* each calibration channel group in the EEPROM has a derived
960	 * clip setting for each rate. */
961	const struct iwl4965_clip_group clip_groups[5];
962
963	/* thermal calibration */
964	s32 temperature;	/* degrees Kelvin */
965	s32 last_temperature;
966
967	/* Scan related variables */
968	unsigned long last_scan_jiffies;
969	unsigned long next_scan_jiffies;
970	unsigned long scan_start;
971	unsigned long scan_pass_start;
972	unsigned long scan_start_tsf;
973	int scan_bands;
974	int one_direct_scan;
975	u8 direct_ssid_len;
976	u8 direct_ssid[IW_ESSID_MAX_SIZE];
977	struct iwl4965_scan_cmd *scan;
978
979	/* spinlock */
980	spinlock_t lock;	/* protect general shared data */
981	spinlock_t hcmd_lock;	/* protect hcmd */
982	struct mutex mutex;
983
984	/* basic pci-network driver stuff */
985	struct pci_dev *pci_dev;
986
987	/* pci hardware address support */
988	void __iomem *hw_base;
989	u32  hw_rev;
990	u32  hw_wa_rev;
991	u8   rev_id;
992
993	/* uCode images, save to reload in case of failure */
994	struct fw_desc ucode_code;	/* runtime inst */
995	struct fw_desc ucode_data;	/* runtime data original */
996	struct fw_desc ucode_data_backup;	/* runtime data save/restore */
997	struct fw_desc ucode_init;	/* initialization inst */
998	struct fw_desc ucode_init_data;	/* initialization data */
999	struct fw_desc ucode_boot;	/* bootstrap inst */
1000
1001
1002	struct iwl4965_rxon_time_cmd rxon_timing;
1003
1004	/* We declare this const so it can only be
1005	 * changed via explicit cast within the
1006	 * routines that actually update the physical
1007	 * hardware */
1008	const struct iwl_rxon_cmd active_rxon;
1009	struct iwl_rxon_cmd staging_rxon;
1010
1011	int error_recovering;
1012	struct iwl_rxon_cmd recovery_rxon;
1013
1014	/* 1st responses from initialize and runtime uCode images.
1015	 * 4965's initialize alive response contains some calibration data. */
1016	struct iwl4965_init_alive_resp card_alive_init;
1017	struct iwl4965_alive_resp card_alive;
1018#ifdef CONFIG_IWLWIFI_RFKILL
1019	struct iwl_rfkill_mngr rfkill_mngr;
1020#endif
1021
1022#ifdef CONFIG_IWLWIFI_LEDS
1023	struct iwl4965_led led[IWL_LED_TRG_MAX];
1024	unsigned long last_blink_time;
1025	u8 last_blink_rate;
1026	u8 allow_blinking;
1027	u64 led_tpt;
1028#endif
1029
1030	u16 active_rate;
1031	u16 active_rate_basic;
1032
1033	u8 assoc_station_added;
1034	u8 use_ant_b_for_management_frame;	/* Tx antenna selection */
1035	u8 start_calib;
1036#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1037	struct iwl_sensitivity_data sensitivity_data;
1038	struct iwl_chain_noise_data chain_noise_data;
1039	__le16 sensitivity_tbl[HD_TABLE_SIZE];
1040#endif /*CONFIG_IWLWIFI_RUN_TIME_CALIB*/
1041
1042#ifdef CONFIG_IWL4965_HT
1043	struct iwl_ht_info current_ht_config;
1044#endif
1045	u8 last_phy_res[100];
1046
1047	/* Rate scaling data */
1048	struct iwl4965_lq_mngr lq_mngr;
1049
1050	/* Rate scaling data */
1051	s8 data_retry_limit;
1052	u8 retry_rate;
1053
1054	wait_queue_head_t wait_command_queue;
1055
1056	int activity_timer_active;
1057
1058	/* Rx and Tx DMA processing queues */
1059	struct iwl_rx_queue rxq;
1060	struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
1061	unsigned long txq_ctx_active_msk;
1062	struct iwl_kw kw;	/* keep warm address */
1063	u32 scd_base_addr;	/* scheduler sram base address */
1064
1065	unsigned long status;
1066
1067	int last_rx_rssi;	/* From Rx packet statisitics */
1068	int last_rx_noise;	/* From beacon statistics */
1069
1070	/* counts mgmt, ctl, and data packets */
1071	struct traffic_stats {
1072		u32 cnt;
1073		u64 bytes;
1074	} tx_stats[3], rx_stats[3];
1075
1076	struct iwl_power_mgr power_data;
1077
1078	struct iwl4965_notif_statistics statistics;
1079	unsigned long last_statistics_time;
1080
1081	/* context information */
1082	u8 essid[IW_ESSID_MAX_SIZE];
1083	u8 essid_len;
1084	u16 rates_mask;
1085
1086	u32 power_mode;
1087	u32 antenna;
1088	u8 bssid[ETH_ALEN];
1089	u16 rts_threshold;
1090	u8 mac_addr[ETH_ALEN];
1091
1092	/*station table variables */
1093	spinlock_t sta_lock;
1094	int num_stations;
1095	struct iwl_station_entry stations[IWL_STATION_COUNT];
1096	struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1097	u8 default_wep_key;
1098	u8 key_mapping_key;
1099	unsigned long ucode_key_table;
1100
1101	/* Indication if ieee80211_ops->open has been called */
1102	u8 is_open;
1103
1104	u8 mac80211_registered;
1105
1106	u32 notif_missed_beacons;
1107
1108	/* Rx'd packet timing information */
1109	u32 last_beacon_time;
1110	u64 last_tsf;
1111
1112	/* Duplicate packet detection */
1113	u16 last_seq_num;
1114	u16 last_frag_num;
1115	unsigned long last_packet_time;
1116
1117	/* Hash table for finding stations in IBSS network */
1118	struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1119
1120	/* eeprom */
1121	u8 *eeprom;
1122	struct iwl_eeprom_calib_info *calib_info;
1123
1124	enum ieee80211_if_types iw_mode;
1125
1126	struct sk_buff *ibss_beacon;
1127
1128	/* Last Rx'd beacon timestamp */
1129	u64 timestamp;
1130	u16 beacon_int;
1131	struct ieee80211_vif *vif;
1132
1133	struct iwl_hw_params hw_params;
1134	/* driver/uCode shared Tx Byte Counts and Rx status */
1135	void *shared_virt;
1136	int rb_closed_offset;
1137	/* Physical Pointer to Tx Byte Counts and Rx status */
1138	dma_addr_t shared_phys;
1139
1140	/* Current association information needed to configure the
1141	 * hardware */
1142	u16 assoc_id;
1143	u16 assoc_capability;
1144	u8 ps_mode;
1145
1146	struct iwl4965_qos_info qos_data;
1147
1148	struct workqueue_struct *workqueue;
1149
1150	struct work_struct up;
1151	struct work_struct restart;
1152	struct work_struct calibrated_work;
1153	struct work_struct scan_completed;
1154	struct work_struct rx_replenish;
1155	struct work_struct rf_kill;
1156	struct work_struct abort_scan;
1157	struct work_struct update_link_led;
1158	struct work_struct auth_work;
1159	struct work_struct report_work;
1160	struct work_struct request_scan;
1161	struct work_struct beacon_update;
1162	struct work_struct set_monitor;
1163
1164	struct tasklet_struct irq_tasklet;
1165
1166	struct delayed_work init_alive_start;
1167	struct delayed_work alive_start;
1168	struct delayed_work activity_timer;
1169	struct delayed_work thermal_periodic;
1170	struct delayed_work gather_stats;
1171	struct delayed_work scan_check;
1172	struct delayed_work post_associate;
1173
1174#define IWL_DEFAULT_TX_POWER 0x0F
1175	s8 user_txpower_limit;
1176	s8 max_channel_txpower_limit;
1177
1178#ifdef CONFIG_PM
1179	u32 pm_state[16];
1180#endif
1181
1182#ifdef CONFIG_IWLWIFI_DEBUG
1183	/* debugging info */
1184	u32 debug_level;
1185	u32 framecnt_to_us;
1186	atomic_t restrict_refcnt;
1187#ifdef CONFIG_IWLWIFI_DEBUGFS
1188	/* debugfs */
1189	struct iwl_debugfs *dbgfs;
1190#endif /* CONFIG_IWLWIFI_DEBUGFS */
1191#endif /* CONFIG_IWLWIFI_DEBUG */
1192
1193	struct work_struct txpower_work;
1194#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
1195	struct work_struct sensitivity_work;
1196#endif
1197	struct timer_list statistics_periodic;
1198}; /*iwl_priv */
1199
1200static inline int iwl_is_associated(struct iwl_priv *priv)
1201{
1202	return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1203}
1204
1205static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1206{
1207	if (ch_info == NULL)
1208		return 0;
1209	return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1210}
1211
1212static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1213{
1214	return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1215}
1216
1217static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1218{
1219	return ch_info->band == IEEE80211_BAND_5GHZ;
1220}
1221
1222static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1223{
1224	return ch_info->band == IEEE80211_BAND_2GHZ;
1225}
1226
1227static inline int is_channel_passive(const struct iwl_channel_info *ch)
1228{
1229	return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1230}
1231
1232static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1233{
1234	return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1235}
1236
1237#ifdef CONFIG_IWLWIFI_DEBUG
1238static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1239				      void *p, u32 len)
1240{
1241	if (!(priv->debug_level & level))
1242		return;
1243
1244	print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1245			p, len, 1);
1246}
1247#else
1248static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1249				      void *p, u32 len)
1250{
1251}
1252#endif
1253
1254extern const struct iwl_channel_info *iwl_get_channel_info(
1255	const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1256
1257/* Requires full declaration of iwl_priv before including */
1258
1259#endif				/* __iwl4965_4965_h__ */
1260