1 /******************************************************************************
3 * Copyright(c) 2003 - 2007 Intel Corporation. All rights reserved.
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.
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
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
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
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
25 *****************************************************************************/
26 #ifndef __iwl_4965_h__
27 #define __iwl_4965_h__
29 #include <linux/pci.h> /* for struct pci_device_id */
30 #include <linux/kernel.h>
31 #include <net/ieee80211_radiotap.h>
35 /* Hardware specific file defines the PCI IDs table for that hardware module */
36 extern struct pci_device_id iwl4965_hw_card_ids
[];
38 #define DRV_NAME "iwl4965"
39 #include "iwl-4965-hw.h"
41 #include "iwl-4965-debug.h"
43 /* Default noise level to report when noise measurement is not available.
44 * This may be because we're:
45 * 1) Not associated (4965, no beacon statistics being sent to driver)
46 * 2) Scanning (noise measurement does not apply to associated channel)
47 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
48 * Use default noise value of -127 ... this is below the range of measurable
49 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
50 * Also, -127 works better than 0 when averaging frames with/without
51 * noise info (e.g. averaging might be done in app); measured dBm values are
52 * always negative ... using a negative value as the default keeps all
53 * averages within an s8's (used in some apps) range of negative values. */
54 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
56 /* Module parameters accessible from iwl-*.c */
57 extern int iwl4965_param_hwcrypto
;
58 extern int iwl4965_param_queues_num
;
60 enum iwl4965_antenna
{
61 IWL_ANTENNA_DIVERSITY
,
67 * RTS threshold here is total size [2347] minus 4 FCS bytes
69 * a value of 0 means RTS on all data/management packets
70 * a value > max MSDU size means no RTS
71 * else RTS for data/management frames where MPDU is larger
74 #define DEFAULT_RTS_THRESHOLD 2347U
75 #define MIN_RTS_THRESHOLD 0U
76 #define MAX_RTS_THRESHOLD 2347U
77 #define MAX_MSDU_SIZE 2304U
78 #define MAX_MPDU_SIZE 2346U
79 #define DEFAULT_BEACON_INTERVAL 100U
80 #define DEFAULT_SHORT_RETRY_LIMIT 7U
81 #define DEFAULT_LONG_RETRY_LIMIT 4U
83 struct iwl4965_rx_mem_buffer
{
86 struct list_head list
;
89 struct iwl4965_rt_rx_hdr
{
90 struct ieee80211_radiotap_header rt_hdr
;
91 __le64 rt_tsf
; /* TSF */
92 u8 rt_flags
; /* radiotap packet flags */
93 u8 rt_rate
; /* rate in 500kb/s */
94 __le16 rt_channelMHz
; /* channel in MHz */
95 __le16 rt_chbitmask
; /* channel bitfield */
96 s8 rt_dbmsignal
; /* signal in dBm, kluged to signed */
98 u8 rt_antenna
; /* antenna number */
99 u8 payload
[0]; /* payload... */
100 } __attribute__ ((packed
));
102 struct iwl4965_rt_tx_hdr
{
103 struct ieee80211_radiotap_header rt_hdr
;
104 u8 rt_rate
; /* rate in 500kb/s */
105 __le16 rt_channel
; /* channel in mHz */
106 __le16 rt_chbitmask
; /* channel bitfield */
107 s8 rt_dbmsignal
; /* signal in dBm, kluged to signed */
108 u8 rt_antenna
; /* antenna number */
109 u8 payload
[0]; /* payload... */
110 } __attribute__ ((packed
));
113 * Generic queue structure
115 * Contains common data for Rx and Tx queues
117 struct iwl4965_queue
{
118 int n_bd
; /* number of BDs in this queue */
119 int write_ptr
; /* 1-st empty entry (index) host_w*/
120 int read_ptr
; /* last used entry (index) host_r*/
121 dma_addr_t dma_addr
; /* physical addr for BD's */
122 int n_window
; /* safe queue window */
124 int low_mark
; /* low watermark, resume queue if free
125 * space more than this */
126 int high_mark
; /* high watermark, stop queue if free
127 * space less than this */
128 } __attribute__ ((packed
));
130 #define MAX_NUM_OF_TBS (20)
132 /* One for each TFD */
133 struct iwl4965_tx_info
{
134 struct ieee80211_tx_status status
;
135 struct sk_buff
*skb
[MAX_NUM_OF_TBS
];
139 * struct iwl4965_tx_queue - Tx Queue for DMA
140 * @q: generic Rx/Tx queue descriptor
141 * @bd: base of circular buffer of TFDs
142 * @cmd: array of command/Tx buffers
143 * @dma_addr_cmd: physical address of cmd/tx buffer array
144 * @txb: array of per-TFD driver data
145 * @need_update: indicates need to update read/write index
146 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
148 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
149 * descriptors) and required locking structures.
151 struct iwl4965_tx_queue
{
152 struct iwl4965_queue q
;
153 struct iwl4965_tfd_frame
*bd
;
154 struct iwl4965_cmd
*cmd
;
155 dma_addr_t dma_addr_cmd
;
156 struct iwl4965_tx_info
*txb
;
162 #define IWL_NUM_SCAN_RATES (2)
164 struct iwl4965_channel_tgd_info
{
169 struct iwl4965_channel_tgh_info
{
173 /* current Tx power values to use, one for each rate for each channel.
174 * requested power is limited by:
175 * -- regulatory EEPROM limits for this channel
176 * -- hardware capabilities (clip-powers)
177 * -- spectrum management
178 * -- user preference (e.g. iwconfig)
179 * when requested power is set, base power index must also be set. */
180 struct iwl4965_channel_power_info
{
181 struct iwl4965_tx_power tpc
; /* actual radio and DSP gain settings */
182 s8 power_table_index
; /* actual (compenst'd) index into gain table */
183 s8 base_power_index
; /* gain index for power at factory temp. */
184 s8 requested_power
; /* power (dBm) requested for this chnl/rate */
187 /* current scan Tx power values to use, one for each scan rate for each
189 struct iwl4965_scan_power_info
{
190 struct iwl4965_tx_power tpc
; /* actual radio and DSP gain settings */
191 s8 power_table_index
; /* actual (compenst'd) index into gain table */
192 s8 requested_power
; /* scan pwr (dBm) requested for chnl/rate */
196 * One for each channel, holds all channel setup data
197 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
200 #define IWL4965_MAX_RATE (33)
202 struct iwl4965_channel_info
{
203 struct iwl4965_channel_tgd_info tgd
;
204 struct iwl4965_channel_tgh_info tgh
;
205 struct iwl4965_eeprom_channel eeprom
; /* EEPROM regulatory limit */
206 struct iwl4965_eeprom_channel fat_eeprom
; /* EEPROM regulatory limit for
209 u8 channel
; /* channel number */
210 u8 flags
; /* flags copied from EEPROM */
211 s8 max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
212 s8 curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) */
213 s8 min_power
; /* always 0 */
214 s8 scan_power
; /* (dBm) regul. eeprom, direct scans, any rate */
216 u8 group_index
; /* 0-4, maps channel to group1/2/3/4/5 */
217 u8 band_index
; /* 0-4, maps channel to band1/2/3/4/5 */
218 u8 phymode
; /* MODE_IEEE80211{A,B,G} */
220 /* Radio/DSP gain settings for each "normal" data Tx rate.
221 * These include, in addition to RF and DSP gain, a few fields for
222 * remembering/modifying gain settings (indexes). */
223 struct iwl4965_channel_power_info power_info
[IWL4965_MAX_RATE
];
225 /* FAT channel info */
226 s8 fat_max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
227 s8 fat_curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) */
228 s8 fat_min_power
; /* always 0 */
229 s8 fat_scan_power
; /* (dBm) eeprom, direct scans, any rate */
230 u8 fat_flags
; /* flags copied from EEPROM */
231 u8 fat_extension_channel
;
233 /* Radio/DSP gain settings for each scan rate, for directed scans. */
234 struct iwl4965_scan_power_info scan_pwr_info
[IWL_NUM_SCAN_RATES
];
237 struct iwl4965_clip_group
{
238 /* maximum power level to prevent clipping for each rate, derived by
239 * us from this band's saturation power in EEPROM */
240 const s8 clip_powers
[IWL_MAX_RATES
];
243 #include "iwl-4965-rs.h"
245 #define IWL_TX_FIFO_AC0 0
246 #define IWL_TX_FIFO_AC1 1
247 #define IWL_TX_FIFO_AC2 2
248 #define IWL_TX_FIFO_AC3 3
249 #define IWL_TX_FIFO_HCCA_1 5
250 #define IWL_TX_FIFO_HCCA_2 6
251 #define IWL_TX_FIFO_NONE 7
253 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
254 #define IWL_MIN_NUM_QUEUES 4
256 /* Power management (not Tx power) structures */
258 struct iwl4965_power_vec_entry
{
259 struct iwl4965_powertable_cmd cmd
;
262 #define IWL_POWER_RANGE_0 (0)
263 #define IWL_POWER_RANGE_1 (1)
265 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
266 #define IWL_POWER_INDEX_3 0x03
267 #define IWL_POWER_INDEX_5 0x05
268 #define IWL_POWER_AC 0x06
269 #define IWL_POWER_BATTERY 0x07
270 #define IWL_POWER_LIMIT 0x07
271 #define IWL_POWER_MASK 0x0F
272 #define IWL_POWER_ENABLED 0x10
273 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
275 struct iwl4965_power_mgr
{
277 struct iwl4965_power_vec_entry pwr_range_0
[IWL_POWER_AC
];
278 struct iwl4965_power_vec_entry pwr_range_1
[IWL_POWER_AC
];
283 #define IEEE80211_DATA_LEN 2304
284 #define IEEE80211_4ADDR_LEN 30
285 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
286 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
288 struct iwl4965_frame
{
290 struct ieee80211_hdr frame
;
291 struct iwl4965_tx_beacon_cmd beacon
;
292 u8 raw
[IEEE80211_FRAME_LEN
];
295 struct list_head list
;
298 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
299 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
300 #define SEQ_TO_INDEX(x) (x & 0xff)
301 #define INDEX_TO_SEQ(x) (x & 0xff)
302 #define SEQ_HUGE_FRAME (0x4000)
303 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
304 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
305 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
306 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
309 /* CMD_SIZE_NORMAL = 0, */
310 CMD_SIZE_HUGE
= (1 << 0),
312 CMD_ASYNC
= (1 << 1),
313 /* CMD_NO_SKB = 0, */
314 CMD_WANT_SKB
= (1 << 2),
320 struct iwl4965_cmd_meta
{
321 struct iwl4965_cmd_meta
*source
;
324 int (*callback
)(struct iwl4965_priv
*priv
,
325 struct iwl4965_cmd
*cmd
, struct sk_buff
*skb
);
326 } __attribute__ ((packed
)) u
;
328 /* The CMD_SIZE_HUGE flag bit indicates that the command
329 * structure is stored at the end of the shared queue memory. */
332 } __attribute__ ((packed
));
337 * For allocation of the command and tx queues, this establishes the overall
338 * size of the largest command we send to uCode, except for a scan command
339 * (which is relatively huge; space is allocated separately).
342 struct iwl4965_cmd_meta meta
; /* driver data */
343 struct iwl4965_cmd_header hdr
; /* uCode API */
345 struct iwl4965_addsta_cmd addsta
;
346 struct iwl4965_led_cmd led
;
351 struct iwl4965_bt_cmd bt
;
352 struct iwl4965_rxon_time_cmd rxon_time
;
353 struct iwl4965_powertable_cmd powertable
;
354 struct iwl4965_qosparam_cmd qosparam
;
355 struct iwl4965_tx_cmd tx
;
356 struct iwl4965_tx_beacon_cmd tx_beacon
;
357 struct iwl4965_rxon_assoc_cmd rxon_assoc
;
360 } __attribute__ ((packed
)) cmd
;
361 } __attribute__ ((packed
));
363 struct iwl4965_host_cmd
{
366 struct iwl4965_cmd_meta meta
;
370 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl4965_cmd) - \
371 sizeof(struct iwl4965_cmd_meta))
374 * RX related structures and functions
376 #define RX_FREE_BUFFERS 64
377 #define RX_LOW_WATERMARK 8
379 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
380 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
381 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
384 * struct iwl4965_rx_queue - Rx queue
385 * @processed: Internal index to last handled Rx packet
386 * @read: Shared index to newest available Rx buffer
387 * @write: Shared index to oldest written Rx packet
388 * @free_count: Number of pre-allocated buffers in rx_free
389 * @rx_free: list of free SKBs for use
390 * @rx_used: List of Rx buffers with no SKB
391 * @need_update: flag to indicate we need to update read/write index
393 * NOTE: rx_free and rx_used are used as a FIFO for iwl4965_rx_mem_buffers
395 struct iwl4965_rx_queue
{
398 struct iwl4965_rx_mem_buffer pool
[RX_QUEUE_SIZE
+ RX_FREE_BUFFERS
];
399 struct iwl4965_rx_mem_buffer
*queue
[RX_QUEUE_SIZE
];
404 struct list_head rx_free
;
405 struct list_head rx_used
;
410 #define IWL_SUPPORTED_RATES_IE_LEN 8
412 #define SCAN_INTERVAL 100
414 #define MAX_A_CHANNELS 252
415 #define MIN_A_CHANNELS 7
417 #define MAX_B_CHANNELS 14
418 #define MIN_B_CHANNELS 1
420 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
421 #define STATUS_INT_ENABLED 1
422 #define STATUS_RF_KILL_HW 2
423 #define STATUS_RF_KILL_SW 3
424 #define STATUS_INIT 4
425 #define STATUS_ALIVE 5
426 #define STATUS_READY 6
427 #define STATUS_TEMPERATURE 7
428 #define STATUS_GEO_CONFIGURED 8
429 #define STATUS_EXIT_PENDING 9
430 #define STATUS_IN_SUSPEND 10
431 #define STATUS_STATISTICS 11
432 #define STATUS_SCANNING 12
433 #define STATUS_SCAN_ABORTING 13
434 #define STATUS_SCAN_HW 14
435 #define STATUS_POWER_PMI 15
436 #define STATUS_FW_ERROR 16
438 #define MAX_TID_COUNT 9
440 #define IWL_INVALID_RATE 0xFF
441 #define IWL_INVALID_VALUE -1
443 #ifdef CONFIG_IWL4965_HT
444 #ifdef CONFIG_IWL4965_HT_AGG
446 * struct iwl4965_ht_agg -- aggregation status while waiting for block-ack
447 * @txq_id: Tx queue used for Tx attempt
448 * @frame_count: # frames attempted by Tx command
449 * @wait_for_ba: Expect block-ack before next Tx reply
450 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
451 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
452 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
453 * @rate_n_flags: Rate at which Tx was attempted
455 * If REPLY_TX indicates that aggregation was attempted, driver must wait
456 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
457 * until block ack arrives.
459 struct iwl4965_ht_agg
{
468 #endif /* CONFIG_IWL4965_HT_AGG */
469 #endif /* CONFIG_IWL4965_HT */
471 struct iwl4965_tid_data
{
473 #ifdef CONFIG_IWL4965_HT
474 #ifdef CONFIG_IWL4965_HT_AGG
475 struct iwl4965_ht_agg agg
;
476 #endif /* CONFIG_IWL4965_HT_AGG */
477 #endif /* CONFIG_IWL4965_HT */
480 struct iwl4965_hw_key
{
481 enum ieee80211_key_alg alg
;
486 union iwl4965_ht_rate_supp
{
494 #ifdef CONFIG_IWL4965_HT
495 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
496 #define HT_IE_MAX_AMSDU_SIZE_4K (0)
497 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
498 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
509 u8 supported_chan_width
;
510 u8 extension_chan_offset
;
512 u8 sgf
; /* HT_SHORT_GI_* short guard interval */
517 #endif /*CONFIG_IWL4965_HT */
519 #ifdef CONFIG_IWL4965_QOS
521 union iwl4965_qos_capabity
{
523 u8 edca_count
:4; /* bit 0-3 */
524 u8 q_ack
:1; /* bit 4 */
525 u8 queue_request
:1; /* bit 5 */
526 u8 txop_request
:1; /* bit 6 */
527 u8 reserved
:1; /* bit 7 */
530 u8 acvo_APSD
:1; /* bit 0 */
531 u8 acvi_APSD
:1; /* bit 1 */
532 u8 ac_bk_APSD
:1; /* bit 2 */
533 u8 ac_be_APSD
:1; /* bit 3 */
534 u8 q_ack
:1; /* bit 4 */
535 u8 max_len
:2; /* bit 5-6 */
536 u8 more_data_ack
:1; /* bit 7 */
542 struct iwl4965_qos_info
{
545 union iwl4965_qos_capabity qos_cap
;
546 struct iwl4965_qosparam_cmd def_qos_parm
;
548 #endif /*CONFIG_IWL4965_QOS */
550 #define STA_PS_STATUS_WAKE 0
551 #define STA_PS_STATUS_SLEEP 1
553 struct iwl4965_station_entry
{
554 struct iwl4965_addsta_cmd sta
;
555 struct iwl4965_tid_data tid
[MAX_TID_COUNT
];
558 struct iwl4965_hw_key keyinfo
;
561 /* one for each uCode image (inst/data, boot/init/runtime) */
563 void *v_addr
; /* access by driver */
564 dma_addr_t p_addr
; /* access by card's busmaster DMA */
568 /* uCode file layout */
569 struct iwl4965_ucode
{
570 __le32 ver
; /* major/minor/subminor */
571 __le32 inst_size
; /* bytes of runtime instructions */
572 __le32 data_size
; /* bytes of runtime data */
573 __le32 init_size
; /* bytes of initialization instructions */
574 __le32 init_data_size
; /* bytes of initialization data */
575 __le32 boot_size
; /* bytes of bootstrap instructions */
576 u8 data
[0]; /* data in same order as "size" elements */
579 #define IWL_IBSS_MAC_HASH_SIZE 32
581 struct iwl4965_ibss_seq
{
585 unsigned long packet_time
;
586 struct list_head list
;
590 * struct iwl4965_driver_hw_info
591 * @max_txq_num: Max # Tx queues supported
592 * @ac_queue_count: # Tx queues for EDCA Access Categories (AC)
593 * @tx_cmd_len: Size of Tx command (but not including frame itself)
594 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
596 * @max_rxq_log: Log-base-2 of max_rxq_size
599 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
600 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
602 struct iwl4965_driver_hw_info
{
612 dma_addr_t shared_phys
;
615 #define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
616 #define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
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)
629 /******************************************************************************
631 * Functions implemented in iwl-base.c which are forward declared here
634 *****************************************************************************/
635 struct iwl4965_addsta_cmd
;
636 extern int iwl4965_send_add_station(struct iwl4965_priv
*priv
,
637 struct iwl4965_addsta_cmd
*sta
, u8 flags
);
638 extern u8
iwl4965_add_station_flags(struct iwl4965_priv
*priv
, const u8
*bssid
,
639 int is_ap
, u8 flags
);
640 extern int iwl4965_is_network_packet(struct iwl4965_priv
*priv
,
641 struct ieee80211_hdr
*header
);
642 extern int iwl4965_power_init_handle(struct iwl4965_priv
*priv
);
643 extern int iwl4965_eeprom_init(struct iwl4965_priv
*priv
);
644 #ifdef CONFIG_IWL4965_DEBUG
645 extern void iwl4965_report_frame(struct iwl4965_priv
*priv
,
646 struct iwl4965_rx_packet
*pkt
,
647 struct ieee80211_hdr
*header
, int group100
);
649 static inline void iwl4965_report_frame(struct iwl4965_priv
*priv
,
650 struct iwl4965_rx_packet
*pkt
,
651 struct ieee80211_hdr
*header
,
654 extern void iwl4965_handle_data_packet_monitor(struct iwl4965_priv
*priv
,
655 struct iwl4965_rx_mem_buffer
*rxb
,
656 void *data
, short len
,
657 struct ieee80211_rx_status
*stats
,
659 extern int iwl4965_is_duplicate_packet(struct iwl4965_priv
*priv
,
660 struct ieee80211_hdr
*header
);
661 extern int iwl4965_rx_queue_alloc(struct iwl4965_priv
*priv
);
662 extern void iwl4965_rx_queue_reset(struct iwl4965_priv
*priv
,
663 struct iwl4965_rx_queue
*rxq
);
664 extern int iwl4965_calc_db_from_ratio(int sig_ratio
);
665 extern int iwl4965_calc_sig_qual(int rssi_dbm
, int noise_dbm
);
666 extern int iwl4965_tx_queue_init(struct iwl4965_priv
*priv
,
667 struct iwl4965_tx_queue
*txq
, int count
, u32 id
);
668 extern void iwl4965_rx_replenish(void *data
);
669 extern void iwl4965_tx_queue_free(struct iwl4965_priv
*priv
, struct iwl4965_tx_queue
*txq
);
670 extern int iwl4965_send_cmd_pdu(struct iwl4965_priv
*priv
, u8 id
, u16 len
,
672 extern int __must_check
iwl4965_send_cmd(struct iwl4965_priv
*priv
,
673 struct iwl4965_host_cmd
*cmd
);
674 extern unsigned int iwl4965_fill_beacon_frame(struct iwl4965_priv
*priv
,
675 struct ieee80211_hdr
*hdr
,
676 const u8
*dest
, int left
);
677 extern int iwl4965_rx_queue_update_write_ptr(struct iwl4965_priv
*priv
,
678 struct iwl4965_rx_queue
*q
);
679 extern int iwl4965_send_statistics_request(struct iwl4965_priv
*priv
);
680 extern void iwl4965_set_decrypted_flag(struct iwl4965_priv
*priv
, struct sk_buff
*skb
,
682 struct ieee80211_rx_status
*stats
);
683 extern __le16
*ieee80211_get_qos_ctrl(struct ieee80211_hdr
*hdr
);
685 extern const u8 iwl4965_broadcast_addr
[ETH_ALEN
];
688 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
689 * call this... todo... fix that.
691 extern u8
iwl4965_sync_station(struct iwl4965_priv
*priv
, int sta_id
,
692 u16 tx_rate
, u8 flags
);
694 /******************************************************************************
696 * Functions implemented in iwl-[34]*.c which are forward declared here
697 * for use by iwl-base.c
699 * NOTE: The implementation of these functions are hardware specific
700 * which is why they are in the hardware specific files (vs. iwl-base.c)
702 * Naming convention --
703 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
704 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
705 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
706 * iwl4965_bg_ <-- Called from work queue context
707 * iwl4965_mac_ <-- mac80211 callback
709 ****************************************************************************/
710 extern void iwl4965_hw_rx_handler_setup(struct iwl4965_priv
*priv
);
711 extern void iwl4965_hw_setup_deferred_work(struct iwl4965_priv
*priv
);
712 extern void iwl4965_hw_cancel_deferred_work(struct iwl4965_priv
*priv
);
713 extern int iwl4965_hw_rxq_stop(struct iwl4965_priv
*priv
);
714 extern int iwl4965_hw_set_hw_setting(struct iwl4965_priv
*priv
);
715 extern int iwl4965_hw_nic_init(struct iwl4965_priv
*priv
);
716 extern int iwl4965_hw_nic_stop_master(struct iwl4965_priv
*priv
);
717 extern void iwl4965_hw_txq_ctx_free(struct iwl4965_priv
*priv
);
718 extern void iwl4965_hw_txq_ctx_stop(struct iwl4965_priv
*priv
);
719 extern int iwl4965_hw_nic_reset(struct iwl4965_priv
*priv
);
720 extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl4965_priv
*priv
, void *tfd
,
721 dma_addr_t addr
, u16 len
);
722 extern int iwl4965_hw_txq_free_tfd(struct iwl4965_priv
*priv
, struct iwl4965_tx_queue
*txq
);
723 extern int iwl4965_hw_get_temperature(struct iwl4965_priv
*priv
);
724 extern int iwl4965_hw_tx_queue_init(struct iwl4965_priv
*priv
,
725 struct iwl4965_tx_queue
*txq
);
726 extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl4965_priv
*priv
,
727 struct iwl4965_frame
*frame
, u8 rate
);
728 extern int iwl4965_hw_get_rx_read(struct iwl4965_priv
*priv
);
729 extern void iwl4965_hw_build_tx_cmd_rate(struct iwl4965_priv
*priv
,
730 struct iwl4965_cmd
*cmd
,
731 struct ieee80211_tx_control
*ctrl
,
732 struct ieee80211_hdr
*hdr
,
733 int sta_id
, int tx_id
);
734 extern int iwl4965_hw_reg_send_txpower(struct iwl4965_priv
*priv
);
735 extern int iwl4965_hw_reg_set_txpower(struct iwl4965_priv
*priv
, s8 power
);
736 extern void iwl4965_hw_rx_statistics(struct iwl4965_priv
*priv
,
737 struct iwl4965_rx_mem_buffer
*rxb
);
738 extern void iwl4965_disable_events(struct iwl4965_priv
*priv
);
739 extern int iwl4965_get_temperature(const struct iwl4965_priv
*priv
);
742 * iwl4965_hw_find_station - Find station id for a given BSSID
743 * @bssid: MAC address of station ID to find
745 * NOTE: This should not be hardware specific but the code has
746 * not yet been merged into a single common layer for managing the
749 extern u8
iwl4965_hw_find_station(struct iwl4965_priv
*priv
, const u8
*bssid
);
751 extern int iwl4965_hw_channel_switch(struct iwl4965_priv
*priv
, u16 channel
);
752 extern int iwl4965_tx_queue_reclaim(struct iwl4965_priv
*priv
, int txq_id
, int index
);
758 * Forward declare iwl-4965.c functions for iwl-base.c
760 extern int iwl4965_eeprom_acquire_semaphore(struct iwl4965_priv
*priv
);
761 extern void iwl4965_eeprom_release_semaphore(struct iwl4965_priv
*priv
);
763 extern int iwl4965_tx_queue_update_wr_ptr(struct iwl4965_priv
*priv
,
764 struct iwl4965_tx_queue
*txq
,
766 extern void iwl4965_add_station(struct iwl4965_priv
*priv
, const u8
*addr
,
768 extern void iwl4965_set_rxon_ht(struct iwl4965_priv
*priv
,
769 struct sta_ht_info
*ht_info
);
771 extern void iwl4965_set_rxon_chain(struct iwl4965_priv
*priv
);
772 extern int iwl4965_tx_cmd(struct iwl4965_priv
*priv
, struct iwl4965_cmd
*out_cmd
,
773 u8 sta_id
, dma_addr_t txcmd_phys
,
774 struct ieee80211_hdr
*hdr
, u8 hdr_len
,
775 struct ieee80211_tx_control
*ctrl
, void *sta_in
);
776 extern int iwl4965_alive_notify(struct iwl4965_priv
*priv
);
777 extern void iwl4965_update_rate_scaling(struct iwl4965_priv
*priv
, u8 mode
);
778 extern void iwl4965_set_ht_add_station(struct iwl4965_priv
*priv
, u8 index
);
780 extern void iwl4965_chain_noise_reset(struct iwl4965_priv
*priv
);
781 extern void iwl4965_init_sensitivity(struct iwl4965_priv
*priv
, u8 flags
,
783 extern int iwl4965_set_fat_chan_info(struct iwl4965_priv
*priv
, int phymode
,
785 const struct iwl4965_eeprom_channel
*eeprom_ch
,
786 u8 fat_extension_channel
);
787 extern void iwl4965_rf_kill_ct_config(struct iwl4965_priv
*priv
);
789 #ifdef CONFIG_IWL4965_HT
790 #ifdef CONFIG_IWL4965_HT_AGG
791 extern int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw
*hw
, u8
*da
,
792 u16 tid
, u16
*start_seq_num
);
793 extern int iwl4965_mac_ht_rx_agg_start(struct ieee80211_hw
*hw
, u8
*da
,
794 u16 tid
, u16 start_seq_num
);
795 extern int iwl4965_mac_ht_rx_agg_stop(struct ieee80211_hw
*hw
, u8
*da
,
796 u16 tid
, int generator
);
797 extern int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw
*hw
, u8
*da
,
798 u16 tid
, int generator
);
799 extern void iwl4965_turn_off_agg(struct iwl4965_priv
*priv
, u8 tid
);
800 #endif /* CONFIG_IWL4965_HT_AGG */
801 #endif /*CONFIG_IWL4965_HT */
802 /* Structures, enum, and defines specific to the 4965 */
804 #define IWL4965_KW_SIZE 0x1000 /*4k */
812 #define TID_QUEUE_CELL_SPACING 50 /*mS */
813 #define TID_QUEUE_MAX_SIZE 20
814 #define TID_ROUND_VALUE 5 /* mS */
815 #define TID_MAX_LOAD_COUNT 8
817 #define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING)
818 #define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y))
820 #define TID_ALL_ENABLED 0x7f
821 #define TID_ALL_SPECIFIED 0xff
822 #define TID_AGG_TPT_THREHOLD 0x0
824 #define IWL_CHANNEL_WIDTH_20MHZ 0
825 #define IWL_CHANNEL_WIDTH_40MHZ 1
827 #define IWL_MIMO_PS_STATIC 0
828 #define IWL_MIMO_PS_NONE 3
829 #define IWL_MIMO_PS_DYNAMIC 1
830 #define IWL_MIMO_PS_INVALID 2
832 #define IWL_OPERATION_MODE_AUTO 0
833 #define IWL_OPERATION_MODE_HT_ONLY 1
834 #define IWL_OPERATION_MODE_MIXED 2
835 #define IWL_OPERATION_MODE_20MHZ 3
837 #define IWL_EXT_CHANNEL_OFFSET_AUTO 0
838 #define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
839 #define IWL_EXT_CHANNEL_OFFSET_ 2
840 #define IWL_EXT_CHANNEL_OFFSET_BELOW 3
841 #define IWL_EXT_CHANNEL_OFFSET_MAX 4
843 #define NRG_NUM_PREV_STAT_L 20
844 #define NUM_RX_CHAINS (3)
846 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
847 #define TX_POWER_IWL_VOLTAGE_CODES_PER_03V 7
848 #define IWL_TX_POWER_CCK_COMPENSATION_B_STEP (9)
849 #define IWL_TX_POWER_CCK_COMPENSATION_C_STEP (5)
851 struct iwl4965_traffic_load
{
852 unsigned long time_stamp
;
853 u32 packet_count
[TID_QUEUE_MAX_SIZE
];
859 #ifdef CONFIG_IWL4965_HT_AGG
861 * struct iwl4965_agg_control
862 * @requested_ba: bit map of tids requesting aggregation/block-ack
863 * @granted_ba: bit map of tids granted aggregation/block-ack
865 struct iwl4965_agg_control
{
866 unsigned long next_retry
;
867 u32 wait_for_agg_status
;
872 u32 tid_traffic_load_threshold
;
874 struct iwl4965_traffic_load traffic_load
[TID_MAX_LOAD_COUNT
];
876 #endif /*CONFIG_IWL4965_HT_AGG */
878 struct iwl4965_lq_mngr
{
879 #ifdef CONFIG_IWL4965_HT_AGG
880 struct iwl4965_agg_control agg_ctrl
;
885 u8
*next_higher_rate
;
888 unsigned long stamp_last
;
895 /* Sensitivity and chain noise calibration */
896 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
897 #define INITIALIZATION_VALUE 0xFFFF
898 #define CAL_NUM_OF_BEACONS 20
899 #define MAXIMUM_ALLOWED_PATHLOSS 15
901 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
903 #define MAX_FA_OFDM 50
904 #define MIN_FA_OFDM 5
905 #define MAX_FA_CCK 50
908 #define NRG_MIN_CCK 97
909 #define NRG_MAX_CCK 0
911 #define AUTO_CORR_MIN_OFDM 85
912 #define AUTO_CORR_MIN_OFDM_MRC 170
913 #define AUTO_CORR_MIN_OFDM_X1 105
914 #define AUTO_CORR_MIN_OFDM_MRC_X1 220
915 #define AUTO_CORR_MAX_OFDM 120
916 #define AUTO_CORR_MAX_OFDM_MRC 210
917 #define AUTO_CORR_MAX_OFDM_X1 140
918 #define AUTO_CORR_MAX_OFDM_MRC_X1 270
919 #define AUTO_CORR_STEP_OFDM 1
921 #define AUTO_CORR_MIN_CCK (125)
922 #define AUTO_CORR_MAX_CCK (200)
923 #define AUTO_CORR_MIN_CCK_MRC 200
924 #define AUTO_CORR_MAX_CCK_MRC 400
925 #define AUTO_CORR_STEP_CCK 3
926 #define AUTO_CORR_MAX_TH_CCK 160
929 #define NRG_STEP_CCK 2
931 #define MAX_NUMBER_CCK_NO_FA 100
933 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
938 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
939 #define ALL_BAND_FILTER 0xFF00
940 #define IN_BAND_FILTER 0xFF
941 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
943 enum iwl4965_false_alarm_state
{
946 IWL_FA_GOOD_RANGE
= 2,
949 enum iwl4965_chain_noise_state
{
950 IWL_CHAIN_NOISE_ALIVE
= 0, /* must be 0 */
951 IWL_CHAIN_NOISE_ACCUMULATE
= 1,
952 IWL_CHAIN_NOISE_CALIBRATED
= 2,
955 enum iwl4965_sensitivity_state
{
956 IWL_SENS_CALIB_ALLOWED
= 0,
957 IWL_SENS_CALIB_NEED_REINIT
= 1,
960 enum iwl4965_calib_enabled_state
{
961 IWL_CALIB_DISABLED
= 0, /* must be 0 */
962 IWL_CALIB_ENABLED
= 1,
965 struct statistics_general_data
{
966 u32 beacon_silence_rssi_a
;
967 u32 beacon_silence_rssi_b
;
968 u32 beacon_silence_rssi_c
;
974 /* Sensitivity calib data */
975 struct iwl4965_sensitivity_data
{
977 u32 auto_corr_ofdm_mrc
;
978 u32 auto_corr_ofdm_x1
;
979 u32 auto_corr_ofdm_mrc_x1
;
981 u32 auto_corr_cck_mrc
;
983 u32 last_bad_plcp_cnt_ofdm
;
984 u32 last_fa_cnt_ofdm
;
985 u32 last_bad_plcp_cnt_cck
;
991 u8 nrg_silence_rssi
[NRG_NUM_PREV_STAT_L
];
996 s32 nrg_auto_corr_silence_diff
;
997 u32 num_in_cck_no_fa
;
1003 /* Chain noise (differential Rx gain) calib data */
1004 struct iwl4965_chain_noise_data
{
1013 u8 disconn_array
[NUM_RX_CHAINS
];
1014 u8 delta_gain_code
[NUM_RX_CHAINS
];
1018 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
1019 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
1022 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
1025 MEASUREMENT_READY
= (1 << 0),
1026 MEASUREMENT_ACTIVE
= (1 << 1),
1031 struct iwl4965_priv
{
1033 /* ieee device used by generic ieee processing code */
1034 struct ieee80211_hw
*hw
;
1035 struct ieee80211_channel
*ieee_channels
;
1036 struct ieee80211_rate
*ieee_rates
;
1038 /* temporary frame storage list */
1039 struct list_head free_frames
;
1045 void (*rx_handlers
[REPLY_MAX
])(struct iwl4965_priv
*priv
,
1046 struct iwl4965_rx_mem_buffer
*rxb
);
1048 const struct ieee80211_hw_mode
*modes
;
1050 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
1051 /* spectrum measurement report caching */
1052 struct iwl4965_spectrum_notification measure_report
;
1053 u8 measurement_status
;
1055 /* ucode beacon time */
1056 u32 ucode_beacon_time
;
1058 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
1059 * Access via channel # using indirect index array */
1060 struct iwl4965_channel_info
*channel_info
; /* channel info array */
1061 u8 channel_count
; /* # of channels */
1063 /* each calibration channel group in the EEPROM has a derived
1064 * clip setting for each rate. */
1065 const struct iwl4965_clip_group clip_groups
[5];
1067 /* thermal calibration */
1068 s32 temperature
; /* degrees Kelvin */
1069 s32 last_temperature
;
1071 /* Scan related variables */
1072 unsigned long last_scan_jiffies
;
1073 unsigned long scan_start
;
1074 unsigned long scan_pass_start
;
1075 unsigned long scan_start_tsf
;
1077 int one_direct_scan
;
1079 u8 direct_ssid
[IW_ESSID_MAX_SIZE
];
1080 struct iwl4965_scan_cmd
*scan
;
1081 u8 only_active_channel
;
1084 spinlock_t lock
; /* protect general shared data */
1085 spinlock_t hcmd_lock
; /* protect hcmd */
1088 /* basic pci-network driver stuff */
1089 struct pci_dev
*pci_dev
;
1091 /* pci hardware address support */
1092 void __iomem
*hw_base
;
1094 /* uCode images, save to reload in case of failure */
1095 struct fw_desc ucode_code
; /* runtime inst */
1096 struct fw_desc ucode_data
; /* runtime data original */
1097 struct fw_desc ucode_data_backup
; /* runtime data save/restore */
1098 struct fw_desc ucode_init
; /* initialization inst */
1099 struct fw_desc ucode_init_data
; /* initialization data */
1100 struct fw_desc ucode_boot
; /* bootstrap inst */
1103 struct iwl4965_rxon_time_cmd rxon_timing
;
1105 /* We declare this const so it can only be
1106 * changed via explicit cast within the
1107 * routines that actually update the physical
1109 const struct iwl4965_rxon_cmd active_rxon
;
1110 struct iwl4965_rxon_cmd staging_rxon
;
1112 int error_recovering
;
1113 struct iwl4965_rxon_cmd recovery_rxon
;
1115 /* 1st responses from initialize and runtime uCode images.
1116 * 4965's initialize alive response contains some calibration data. */
1117 struct iwl4965_init_alive_resp card_alive_init
;
1118 struct iwl4965_alive_resp card_alive
;
1121 /* LED related variables */
1122 struct iwl4965_activity_blink activity
;
1123 unsigned long led_packets
;
1128 u16 active_rate_basic
;
1130 u8 call_post_assoc_from_beacon
;
1131 u8 assoc_station_added
;
1132 u8 use_ant_b_for_management_frame
; /* Tx antenna selection */
1134 /* High Throughput (HT) variables */
1137 u8 channel_width
; /* 0=20MHZ, 1=40MHZ supported */
1138 u8 current_channel_width
;
1139 u8 valid_antenna
; /* Bit mask of antennas actually connected */
1140 #ifdef CONFIG_IWL4965_SENSITIVITY
1141 struct iwl4965_sensitivity_data sensitivity_data
;
1142 struct iwl4965_chain_noise_data chain_noise_data
;
1144 __le16 sensitivity_tbl
[HD_TABLE_SIZE
];
1145 #endif /*CONFIG_IWL4965_SENSITIVITY*/
1147 #ifdef CONFIG_IWL4965_HT
1148 struct sta_ht_info current_assoc_ht
;
1150 u8 active_rate_ht
[2];
1151 u8 last_phy_res
[100];
1153 /* Rate scaling data */
1154 struct iwl4965_lq_mngr lq_mngr
;
1156 /* Rate scaling data */
1157 s8 data_retry_limit
;
1160 wait_queue_head_t wait_command_queue
;
1162 int activity_timer_active
;
1164 /* Rx and Tx DMA processing queues */
1165 struct iwl4965_rx_queue rxq
;
1166 struct iwl4965_tx_queue txq
[IWL_MAX_NUM_QUEUES
];
1167 unsigned long txq_ctx_active_msk
;
1168 struct iwl4965_kw kw
; /* keep warm address */
1169 u32 scd_base_addr
; /* scheduler sram base address */
1171 unsigned long status
;
1174 int last_rx_rssi
; /* From Rx packet statisitics */
1175 int last_rx_noise
; /* From beacon statistics */
1177 struct iwl4965_power_mgr power_data
;
1179 struct iwl4965_notif_statistics statistics
;
1180 unsigned long last_statistics_time
;
1182 /* context information */
1183 u8 essid
[IW_ESSID_MAX_SIZE
];
1191 u8 mac_addr
[ETH_ALEN
];
1193 /*station table variables */
1194 spinlock_t sta_lock
;
1196 struct iwl4965_station_entry stations
[IWL_STATION_COUNT
];
1198 /* Indication if ieee80211_ops->open has been called */
1201 u8 mac80211_registered
;
1204 u32 notif_missed_beacons
;
1206 /* Rx'd packet timing information */
1207 u32 last_beacon_time
;
1210 /* Duplicate packet detection */
1213 unsigned long last_packet_time
;
1215 /* Hash table for finding stations in IBSS network */
1216 struct list_head ibss_mac_hash
[IWL_IBSS_MAC_HASH_SIZE
];
1219 struct iwl4965_eeprom eeprom
;
1223 struct sk_buff
*ibss_beacon
;
1225 /* Last Rx'd beacon timestamp */
1229 struct iwl4965_driver_hw_info hw_setting
;
1232 /* Current association information needed to configure the
1235 u16 assoc_capability
;
1238 #ifdef CONFIG_IWL4965_QOS
1239 struct iwl4965_qos_info qos_data
;
1240 #endif /*CONFIG_IWL4965_QOS */
1242 struct workqueue_struct
*workqueue
;
1244 struct work_struct up
;
1245 struct work_struct restart
;
1246 struct work_struct calibrated_work
;
1247 struct work_struct scan_completed
;
1248 struct work_struct rx_replenish
;
1249 struct work_struct rf_kill
;
1250 struct work_struct abort_scan
;
1251 struct work_struct update_link_led
;
1252 struct work_struct auth_work
;
1253 struct work_struct report_work
;
1254 struct work_struct request_scan
;
1255 struct work_struct beacon_update
;
1257 struct tasklet_struct irq_tasklet
;
1259 struct delayed_work init_alive_start
;
1260 struct delayed_work alive_start
;
1261 struct delayed_work activity_timer
;
1262 struct delayed_work thermal_periodic
;
1263 struct delayed_work gather_stats
;
1264 struct delayed_work scan_check
;
1265 struct delayed_work post_associate
;
1267 #define IWL_DEFAULT_TX_POWER 0x0F
1268 s8 user_txpower_limit
;
1269 s8 max_channel_txpower_limit
;
1275 #ifdef CONFIG_IWL4965_DEBUG
1276 /* debugging info */
1278 atomic_t restrict_refcnt
;
1281 struct work_struct txpower_work
;
1282 #ifdef CONFIG_IWL4965_SENSITIVITY
1283 struct work_struct sensitivity_work
;
1285 struct work_struct statistics_work
;
1286 struct timer_list statistics_periodic
;
1288 #ifdef CONFIG_IWL4965_HT_AGG
1289 struct work_struct agg_work
;
1291 }; /*iwl4965_priv */
1293 static inline int iwl4965_is_associated(struct iwl4965_priv
*priv
)
1295 return (priv
->active_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1298 static inline int is_channel_valid(const struct iwl4965_channel_info
*ch_info
)
1300 if (ch_info
== NULL
)
1302 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
1305 static inline int is_channel_narrow(const struct iwl4965_channel_info
*ch_info
)
1307 return (ch_info
->flags
& EEPROM_CHANNEL_NARROW
) ? 1 : 0;
1310 static inline int is_channel_radar(const struct iwl4965_channel_info
*ch_info
)
1312 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
1315 static inline u8
is_channel_a_band(const struct iwl4965_channel_info
*ch_info
)
1317 return ch_info
->phymode
== MODE_IEEE80211A
;
1320 static inline u8
is_channel_bg_band(const struct iwl4965_channel_info
*ch_info
)
1322 return ((ch_info
->phymode
== MODE_IEEE80211B
) ||
1323 (ch_info
->phymode
== MODE_IEEE80211G
));
1326 static inline int is_channel_passive(const struct iwl4965_channel_info
*ch
)
1328 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
1331 static inline int is_channel_ibss(const struct iwl4965_channel_info
*ch
)
1333 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
1336 extern const struct iwl4965_channel_info
*iwl4965_get_channel_info(
1337 const struct iwl4965_priv
*priv
, int phymode
, u16 channel
);
1339 /* Requires full declaration of iwl4965_priv before including */
1340 #include "iwl-4965-io.h"
1342 #endif /* __iwl4965_4965_h__ */