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 struct iwl4965_tx_info {
133 struct ieee80211_tx_status status;
134 struct sk_buff *skb[MAX_NUM_OF_TBS];
138 * struct iwl4965_tx_queue - Tx Queue for DMA
139 * @need_update: need to update read/write index
140 * @shed_retry: queue is HT AGG enabled
142 * Queue consists of circular buffer of BD's and required locking structures.
144 struct iwl4965_tx_queue {
145 struct iwl4965_queue q;
146 struct iwl4965_tfd_frame *bd;
147 struct iwl4965_cmd *cmd;
148 dma_addr_t dma_addr_cmd;
149 struct iwl4965_tx_info *txb;
155 #define IWL_NUM_SCAN_RATES (2)
157 struct iwl4965_channel_tgd_info {
162 struct iwl4965_channel_tgh_info {
166 /* current Tx power values to use, one for each rate for each channel.
167 * requested power is limited by:
168 * -- regulatory EEPROM limits for this channel
169 * -- hardware capabilities (clip-powers)
170 * -- spectrum management
171 * -- user preference (e.g. iwconfig)
172 * when requested power is set, base power index must also be set. */
173 struct iwl4965_channel_power_info {
174 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
175 s8 power_table_index; /* actual (compenst'd) index into gain table */
176 s8 base_power_index; /* gain index for power at factory temp. */
177 s8 requested_power; /* power (dBm) requested for this chnl/rate */
180 /* current scan Tx power values to use, one for each scan rate for each
182 struct iwl4965_scan_power_info {
183 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
184 s8 power_table_index; /* actual (compenst'd) index into gain table */
185 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
188 /* Channel unlock period is 15 seconds. If no beacon or probe response
189 * has been received within 15 seconds on a locked channel then the channel
191 #define TX_UNLOCK_PERIOD 15
193 /* CSA lock period is 15 seconds. If a CSA has been received on a channel in
194 * the last 15 seconds, the channel is locked */
195 #define CSA_LOCK_PERIOD 15
197 * One for each channel, holds all channel setup data
198 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
201 #define IWL4965_MAX_RATE (33)
203 struct iwl4965_channel_info {
204 struct iwl4965_channel_tgd_info tgd;
205 struct iwl4965_channel_tgh_info tgh;
206 struct iwl4965_eeprom_channel eeprom; /* EEPROM regulatory limit */
207 struct iwl4965_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
210 u8 channel; /* channel number */
211 u8 flags; /* flags copied from EEPROM */
212 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
213 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
214 s8 min_power; /* always 0 */
215 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
217 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
218 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
219 u8 phymode; /* MODE_IEEE80211{A,B,G} */
221 /* Radio/DSP gain settings for each "normal" data Tx rate.
222 * These include, in addition to RF and DSP gain, a few fields for
223 * remembering/modifying gain settings (indexes). */
224 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
226 /* FAT channel info */
227 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
228 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
229 s8 fat_min_power; /* always 0 */
230 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
231 u8 fat_flags; /* flags copied from EEPROM */
232 u8 fat_extension_channel;
234 /* Radio/DSP gain settings for each scan rate, for directed scans. */
235 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
238 struct iwl4965_clip_group {
239 /* maximum power level to prevent clipping for each rate, derived by
240 * us from this band's saturation power in EEPROM */
241 const s8 clip_powers[IWL_MAX_RATES];
244 #include "iwl-4965-rs.h"
246 #define IWL_TX_FIFO_AC0 0
247 #define IWL_TX_FIFO_AC1 1
248 #define IWL_TX_FIFO_AC2 2
249 #define IWL_TX_FIFO_AC3 3
250 #define IWL_TX_FIFO_HCCA_1 5
251 #define IWL_TX_FIFO_HCCA_2 6
252 #define IWL_TX_FIFO_NONE 7
254 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
255 #define IWL_MIN_NUM_QUEUES 4
257 /* Power management (not Tx power) structures */
259 struct iwl4965_power_vec_entry {
260 struct iwl4965_powertable_cmd cmd;
263 #define IWL_POWER_RANGE_0 (0)
264 #define IWL_POWER_RANGE_1 (1)
266 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
267 #define IWL_POWER_INDEX_3 0x03
268 #define IWL_POWER_INDEX_5 0x05
269 #define IWL_POWER_AC 0x06
270 #define IWL_POWER_BATTERY 0x07
271 #define IWL_POWER_LIMIT 0x07
272 #define IWL_POWER_MASK 0x0F
273 #define IWL_POWER_ENABLED 0x10
274 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
276 struct iwl4965_power_mgr {
278 struct iwl4965_power_vec_entry pwr_range_0[IWL_POWER_AC];
279 struct iwl4965_power_vec_entry pwr_range_1[IWL_POWER_AC];
284 #define IEEE80211_DATA_LEN 2304
285 #define IEEE80211_4ADDR_LEN 30
286 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
287 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
289 struct iwl4965_frame {
291 struct ieee80211_hdr frame;
292 struct iwl4965_tx_beacon_cmd beacon;
293 u8 raw[IEEE80211_FRAME_LEN];
296 struct list_head list;
299 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
300 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
301 #define SEQ_TO_INDEX(x) (x & 0xff)
302 #define INDEX_TO_SEQ(x) (x & 0xff)
303 #define SEQ_HUGE_FRAME (0x4000)
304 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
305 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
306 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
307 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
310 /* CMD_SIZE_NORMAL = 0, */
311 CMD_SIZE_HUGE = (1 << 0),
313 CMD_ASYNC = (1 << 1),
314 /* CMD_NO_SKB = 0, */
315 CMD_WANT_SKB = (1 << 2),
321 struct iwl4965_cmd_meta {
322 struct iwl4965_cmd_meta *source;
325 int (*callback)(struct iwl4965_priv *priv,
326 struct iwl4965_cmd *cmd, struct sk_buff *skb);
327 } __attribute__ ((packed)) u;
329 /* The CMD_SIZE_HUGE flag bit indicates that the command
330 * structure is stored at the end of the shared queue memory. */
333 } __attribute__ ((packed));
336 struct iwl4965_cmd_meta meta;
337 struct iwl4965_cmd_header hdr;
339 struct iwl4965_addsta_cmd addsta;
340 struct iwl4965_led_cmd led;
345 struct iwl4965_bt_cmd bt;
346 struct iwl4965_rxon_time_cmd rxon_time;
347 struct iwl4965_powertable_cmd powertable;
348 struct iwl4965_qosparam_cmd qosparam;
349 struct iwl4965_tx_cmd tx;
350 struct iwl4965_tx_beacon_cmd tx_beacon;
351 struct iwl4965_rxon_assoc_cmd rxon_assoc;
354 } __attribute__ ((packed)) cmd;
355 } __attribute__ ((packed));
357 struct iwl4965_host_cmd {
360 struct iwl4965_cmd_meta meta;
364 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl4965_cmd) - \
365 sizeof(struct iwl4965_cmd_meta))
368 * RX related structures and functions
370 #define RX_FREE_BUFFERS 64
371 #define RX_LOW_WATERMARK 8
373 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
374 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
375 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
378 * struct iwl4965_rx_queue - Rx queue
379 * @processed: Internal index to last handled Rx packet
380 * @read: Shared index to newest available Rx buffer
381 * @write: Shared index to oldest written Rx packet
382 * @free_count: Number of pre-allocated buffers in rx_free
383 * @rx_free: list of free SKBs for use
384 * @rx_used: List of Rx buffers with no SKB
385 * @need_update: flag to indicate we need to update read/write index
387 * NOTE: rx_free and rx_used are used as a FIFO for iwl4965_rx_mem_buffers
389 struct iwl4965_rx_queue {
392 struct iwl4965_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
393 struct iwl4965_rx_mem_buffer *queue[RX_QUEUE_SIZE];
398 struct list_head rx_free;
399 struct list_head rx_used;
404 #define IWL_SUPPORTED_RATES_IE_LEN 8
406 #define SCAN_INTERVAL 100
408 #define MAX_A_CHANNELS 252
409 #define MIN_A_CHANNELS 7
411 #define MAX_B_CHANNELS 14
412 #define MIN_B_CHANNELS 1
414 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
415 #define STATUS_INT_ENABLED 1
416 #define STATUS_RF_KILL_HW 2
417 #define STATUS_RF_KILL_SW 3
418 #define STATUS_INIT 4
419 #define STATUS_ALIVE 5
420 #define STATUS_READY 6
421 #define STATUS_TEMPERATURE 7
422 #define STATUS_GEO_CONFIGURED 8
423 #define STATUS_EXIT_PENDING 9
424 #define STATUS_IN_SUSPEND 10
425 #define STATUS_STATISTICS 11
426 #define STATUS_SCANNING 12
427 #define STATUS_SCAN_ABORTING 13
428 #define STATUS_SCAN_HW 14
429 #define STATUS_POWER_PMI 15
430 #define STATUS_FW_ERROR 16
432 #define MAX_TID_COUNT 9
434 #define IWL_INVALID_RATE 0xFF
435 #define IWL_INVALID_VALUE -1
437 #ifdef CONFIG_IWL4965_HT
438 #ifdef CONFIG_IWL4965_HT_AGG
439 struct iwl4965_ht_agg {
448 #endif /* CONFIG_IWL4965_HT_AGG */
449 #endif /* CONFIG_IWL4965_HT */
451 struct iwl4965_tid_data {
453 #ifdef CONFIG_IWL4965_HT
454 #ifdef CONFIG_IWL4965_HT_AGG
455 struct iwl4965_ht_agg agg;
456 #endif /* CONFIG_IWL4965_HT_AGG */
457 #endif /* CONFIG_IWL4965_HT */
460 struct iwl4965_hw_key {
461 enum ieee80211_key_alg alg;
466 union iwl4965_ht_rate_supp {
474 #ifdef CONFIG_IWL4965_HT
475 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
476 #define HT_IE_MAX_AMSDU_SIZE_4K (0)
477 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
478 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
489 u8 supported_chan_width;
490 u8 extension_chan_offset;
497 #endif /*CONFIG_IWL4965_HT */
499 #ifdef CONFIG_IWL4965_QOS
501 union iwl4965_qos_capabity {
503 u8 edca_count:4; /* bit 0-3 */
504 u8 q_ack:1; /* bit 4 */
505 u8 queue_request:1; /* bit 5 */
506 u8 txop_request:1; /* bit 6 */
507 u8 reserved:1; /* bit 7 */
510 u8 acvo_APSD:1; /* bit 0 */
511 u8 acvi_APSD:1; /* bit 1 */
512 u8 ac_bk_APSD:1; /* bit 2 */
513 u8 ac_be_APSD:1; /* bit 3 */
514 u8 q_ack:1; /* bit 4 */
515 u8 max_len:2; /* bit 5-6 */
516 u8 more_data_ack:1; /* bit 7 */
522 struct iwl4965_qos_info {
525 union iwl4965_qos_capabity qos_cap;
526 struct iwl4965_qosparam_cmd def_qos_parm;
528 #endif /*CONFIG_IWL4965_QOS */
530 #define STA_PS_STATUS_WAKE 0
531 #define STA_PS_STATUS_SLEEP 1
533 struct iwl4965_station_entry {
534 struct iwl4965_addsta_cmd sta;
535 struct iwl4965_tid_data tid[MAX_TID_COUNT];
538 struct iwl4965_hw_key keyinfo;
541 /* one for each uCode image (inst/data, boot/init/runtime) */
543 void *v_addr; /* access by driver */
544 dma_addr_t p_addr; /* access by card's busmaster DMA */
548 /* uCode file layout */
549 struct iwl4965_ucode {
550 __le32 ver; /* major/minor/subminor */
551 __le32 inst_size; /* bytes of runtime instructions */
552 __le32 data_size; /* bytes of runtime data */
553 __le32 init_size; /* bytes of initialization instructions */
554 __le32 init_data_size; /* bytes of initialization data */
555 __le32 boot_size; /* bytes of bootstrap instructions */
556 u8 data[0]; /* data in same order as "size" elements */
559 #define IWL_IBSS_MAC_HASH_SIZE 32
561 struct iwl4965_ibss_seq {
565 unsigned long packet_time;
566 struct list_head list;
569 struct iwl4965_driver_hw_info {
579 dma_addr_t shared_phys;
583 #define STA_FLG_RTS_MIMO_PROT_MSK __constant_cpu_to_le32(1 << 17)
584 #define STA_FLG_AGG_MPDU_8US_MSK __constant_cpu_to_le32(1 << 18)
585 #define STA_FLG_MAX_AGG_SIZE_POS (19)
586 #define STA_FLG_MAX_AGG_SIZE_MSK __constant_cpu_to_le32(3 << 19)
587 #define STA_FLG_FAT_EN_MSK __constant_cpu_to_le32(1 << 21)
588 #define STA_FLG_MIMO_DIS_MSK __constant_cpu_to_le32(1 << 22)
589 #define STA_FLG_AGG_MPDU_DENSITY_POS (23)
590 #define STA_FLG_AGG_MPDU_DENSITY_MSK __constant_cpu_to_le32(7 << 23)
591 #define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
592 #define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
595 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
596 x->u.rx_frame.stats.payload + \
597 x->u.rx_frame.stats.phy_count))
598 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
599 IWL_RX_HDR(x)->payload + \
600 le16_to_cpu(IWL_RX_HDR(x)->len)))
601 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
602 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
605 /******************************************************************************
607 * Functions implemented in iwl-base.c which are forward declared here
610 *****************************************************************************/
611 struct iwl4965_addsta_cmd;
612 extern int iwl4965_send_add_station(struct iwl4965_priv *priv,
613 struct iwl4965_addsta_cmd *sta, u8 flags);
614 extern u8 iwl4965_add_station_flags(struct iwl4965_priv *priv, const u8 *bssid,
615 int is_ap, u8 flags);
616 extern int iwl4965_is_network_packet(struct iwl4965_priv *priv,
617 struct ieee80211_hdr *header);
618 extern int iwl4965_power_init_handle(struct iwl4965_priv *priv);
619 extern int iwl4965_eeprom_init(struct iwl4965_priv *priv);
620 #ifdef CONFIG_IWL4965_DEBUG
621 extern void iwl4965_report_frame(struct iwl4965_priv *priv,
622 struct iwl4965_rx_packet *pkt,
623 struct ieee80211_hdr *header, int group100);
625 static inline void iwl4965_report_frame(struct iwl4965_priv *priv,
626 struct iwl4965_rx_packet *pkt,
627 struct ieee80211_hdr *header,
630 extern void iwl4965_handle_data_packet_monitor(struct iwl4965_priv *priv,
631 struct iwl4965_rx_mem_buffer *rxb,
632 void *data, short len,
633 struct ieee80211_rx_status *stats,
635 extern int iwl4965_is_duplicate_packet(struct iwl4965_priv *priv,
636 struct ieee80211_hdr *header);
637 extern int iwl4965_rx_queue_alloc(struct iwl4965_priv *priv);
638 extern void iwl4965_rx_queue_reset(struct iwl4965_priv *priv,
639 struct iwl4965_rx_queue *rxq);
640 extern int iwl4965_calc_db_from_ratio(int sig_ratio);
641 extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
642 extern int iwl4965_tx_queue_init(struct iwl4965_priv *priv,
643 struct iwl4965_tx_queue *txq, int count, u32 id);
644 extern void iwl4965_rx_replenish(void *data);
645 extern void iwl4965_tx_queue_free(struct iwl4965_priv *priv, struct iwl4965_tx_queue *txq);
646 extern int iwl4965_send_cmd_pdu(struct iwl4965_priv *priv, u8 id, u16 len,
648 extern int __must_check iwl4965_send_cmd(struct iwl4965_priv *priv,
649 struct iwl4965_host_cmd *cmd);
650 extern unsigned int iwl4965_fill_beacon_frame(struct iwl4965_priv *priv,
651 struct ieee80211_hdr *hdr,
652 const u8 *dest, int left);
653 extern int iwl4965_rx_queue_update_write_ptr(struct iwl4965_priv *priv,
654 struct iwl4965_rx_queue *q);
655 extern int iwl4965_send_statistics_request(struct iwl4965_priv *priv);
656 extern void iwl4965_set_decrypted_flag(struct iwl4965_priv *priv, struct sk_buff *skb,
658 struct ieee80211_rx_status *stats);
659 extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
661 extern const u8 iwl4965_broadcast_addr[ETH_ALEN];
664 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
665 * call this... todo... fix that.
667 extern u8 iwl4965_sync_station(struct iwl4965_priv *priv, int sta_id,
668 u16 tx_rate, u8 flags);
670 /******************************************************************************
672 * Functions implemented in iwl-[34]*.c which are forward declared here
673 * for use by iwl-base.c
675 * NOTE: The implementation of these functions are hardware specific
676 * which is why they are in the hardware specific files (vs. iwl-base.c)
678 * Naming convention --
679 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
680 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
681 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
682 * iwl4965_bg_ <-- Called from work queue context
683 * iwl4965_mac_ <-- mac80211 callback
685 ****************************************************************************/
686 extern void iwl4965_hw_rx_handler_setup(struct iwl4965_priv *priv);
687 extern void iwl4965_hw_setup_deferred_work(struct iwl4965_priv *priv);
688 extern void iwl4965_hw_cancel_deferred_work(struct iwl4965_priv *priv);
689 extern int iwl4965_hw_rxq_stop(struct iwl4965_priv *priv);
690 extern int iwl4965_hw_set_hw_setting(struct iwl4965_priv *priv);
691 extern int iwl4965_hw_nic_init(struct iwl4965_priv *priv);
692 extern int iwl4965_hw_nic_stop_master(struct iwl4965_priv *priv);
693 extern void iwl4965_hw_txq_ctx_free(struct iwl4965_priv *priv);
694 extern void iwl4965_hw_txq_ctx_stop(struct iwl4965_priv *priv);
695 extern int iwl4965_hw_nic_reset(struct iwl4965_priv *priv);
696 extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl4965_priv *priv, void *tfd,
697 dma_addr_t addr, u16 len);
698 extern int iwl4965_hw_txq_free_tfd(struct iwl4965_priv *priv, struct iwl4965_tx_queue *txq);
699 extern int iwl4965_hw_get_temperature(struct iwl4965_priv *priv);
700 extern int iwl4965_hw_tx_queue_init(struct iwl4965_priv *priv,
701 struct iwl4965_tx_queue *txq);
702 extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl4965_priv *priv,
703 struct iwl4965_frame *frame, u8 rate);
704 extern int iwl4965_hw_get_rx_read(struct iwl4965_priv *priv);
705 extern void iwl4965_hw_build_tx_cmd_rate(struct iwl4965_priv *priv,
706 struct iwl4965_cmd *cmd,
707 struct ieee80211_tx_control *ctrl,
708 struct ieee80211_hdr *hdr,
709 int sta_id, int tx_id);
710 extern int iwl4965_hw_reg_send_txpower(struct iwl4965_priv *priv);
711 extern int iwl4965_hw_reg_set_txpower(struct iwl4965_priv *priv, s8 power);
712 extern void iwl4965_hw_rx_statistics(struct iwl4965_priv *priv,
713 struct iwl4965_rx_mem_buffer *rxb);
714 extern void iwl4965_disable_events(struct iwl4965_priv *priv);
715 extern int iwl4965_get_temperature(const struct iwl4965_priv *priv);
718 * iwl4965_hw_find_station - Find station id for a given BSSID
719 * @bssid: MAC address of station ID to find
721 * NOTE: This should not be hardware specific but the code has
722 * not yet been merged into a single common layer for managing the
725 extern u8 iwl4965_hw_find_station(struct iwl4965_priv *priv, const u8 *bssid);
727 extern int iwl4965_hw_channel_switch(struct iwl4965_priv *priv, u16 channel);
728 extern int iwl4965_tx_queue_reclaim(struct iwl4965_priv *priv, int txq_id, int index);
734 * Forward declare iwl-4965.c functions for iwl-base.c
736 extern int iwl4965_eeprom_acquire_semaphore(struct iwl4965_priv *priv);
737 extern void iwl4965_eeprom_release_semaphore(struct iwl4965_priv *priv);
739 extern int iwl4965_tx_queue_update_wr_ptr(struct iwl4965_priv *priv,
740 struct iwl4965_tx_queue *txq,
742 extern void iwl4965_add_station(struct iwl4965_priv *priv, const u8 *addr,
744 extern void iwl4965_set_rxon_ht(struct iwl4965_priv *priv,
745 struct sta_ht_info *ht_info);
747 extern void iwl4965_set_rxon_chain(struct iwl4965_priv *priv);
748 extern int iwl4965_tx_cmd(struct iwl4965_priv *priv, struct iwl4965_cmd *out_cmd,
749 u8 sta_id, dma_addr_t txcmd_phys,
750 struct ieee80211_hdr *hdr, u8 hdr_len,
751 struct ieee80211_tx_control *ctrl, void *sta_in);
752 extern int iwl4965_alive_notify(struct iwl4965_priv *priv);
753 extern void iwl4965_update_rate_scaling(struct iwl4965_priv *priv, u8 mode);
754 extern void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index);
756 extern void iwl4965_chain_noise_reset(struct iwl4965_priv *priv);
757 extern void iwl4965_init_sensitivity(struct iwl4965_priv *priv, u8 flags,
759 extern int iwl4965_set_fat_chan_info(struct iwl4965_priv *priv, int phymode,
761 const struct iwl4965_eeprom_channel *eeprom_ch,
762 u8 fat_extension_channel);
763 extern void iwl4965_rf_kill_ct_config(struct iwl4965_priv *priv);
765 #ifdef CONFIG_IWL4965_HT
766 #ifdef CONFIG_IWL4965_HT_AGG
767 extern int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, u8 *da,
768 u16 tid, u16 *start_seq_num);
769 extern int iwl4965_mac_ht_rx_agg_start(struct ieee80211_hw *hw, u8 *da,
770 u16 tid, u16 start_seq_num);
771 extern int iwl4965_mac_ht_rx_agg_stop(struct ieee80211_hw *hw, u8 *da,
772 u16 tid, int generator);
773 extern int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, u8 *da,
774 u16 tid, int generator);
775 extern void iwl4965_turn_off_agg(struct iwl4965_priv *priv, u8 tid);
776 #endif /* CONFIG_IWL4965_HT_AGG */
777 #endif /*CONFIG_IWL4965_HT */
778 /* Structures, enum, and defines specific to the 4965 */
780 #define IWL4965_KW_SIZE 0x1000 /*4k */
788 #define TID_QUEUE_CELL_SPACING 50 /*mS */
789 #define TID_QUEUE_MAX_SIZE 20
790 #define TID_ROUND_VALUE 5 /* mS */
791 #define TID_MAX_LOAD_COUNT 8
793 #define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING)
794 #define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y))
796 #define TID_ALL_ENABLED 0x7f
797 #define TID_ALL_SPECIFIED 0xff
798 #define TID_AGG_TPT_THREHOLD 0x0
800 #define IWL_CHANNEL_WIDTH_20MHZ 0
801 #define IWL_CHANNEL_WIDTH_40MHZ 1
803 #define IWL_MIMO_PS_STATIC 0
804 #define IWL_MIMO_PS_NONE 3
805 #define IWL_MIMO_PS_DYNAMIC 1
806 #define IWL_MIMO_PS_INVALID 2
808 #define IWL_OPERATION_MODE_AUTO 0
809 #define IWL_OPERATION_MODE_HT_ONLY 1
810 #define IWL_OPERATION_MODE_MIXED 2
811 #define IWL_OPERATION_MODE_20MHZ 3
813 #define IWL_EXT_CHANNEL_OFFSET_AUTO 0
814 #define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
815 #define IWL_EXT_CHANNEL_OFFSET_ 2
816 #define IWL_EXT_CHANNEL_OFFSET_BELOW 3
817 #define IWL_EXT_CHANNEL_OFFSET_MAX 4
819 #define NRG_NUM_PREV_STAT_L 20
820 #define NUM_RX_CHAINS (3)
822 #define TX_POWER_IWL_ILLEGAL_VDET -100000
823 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
824 #define TX_POWER_IWL_CLOSED_LOOP_MIN_POWER 18
825 #define TX_POWER_IWL_CLOSED_LOOP_MAX_POWER 34
826 #define TX_POWER_IWL_VDET_SLOPE_BELOW_NOMINAL 17
827 #define TX_POWER_IWL_VDET_SLOPE_ABOVE_NOMINAL 20
828 #define TX_POWER_IWL_NOMINAL_POWER 26
829 #define TX_POWER_IWL_CLOSED_LOOP_ITERATION_LIMIT 1
830 #define TX_POWER_IWL_VOLTAGE_CODES_PER_03V 7
831 #define TX_POWER_IWL_DEGREES_PER_VDET_CODE 11
832 #define IWL_TX_POWER_MAX_NUM_PA_MEASUREMENTS 1
833 #define IWL_TX_POWER_CCK_COMPENSATION_B_STEP (9)
834 #define IWL_TX_POWER_CCK_COMPENSATION_C_STEP (5)
836 struct iwl4965_traffic_load {
837 unsigned long time_stamp;
838 u32 packet_count[TID_QUEUE_MAX_SIZE];
844 #ifdef CONFIG_IWL4965_HT_AGG
845 struct iwl4965_agg_control {
846 unsigned long next_retry;
847 u32 wait_for_agg_status;
852 u32 tid_traffic_load_threshold;
854 struct iwl4965_traffic_load traffic_load[TID_MAX_LOAD_COUNT];
856 #endif /*CONFIG_IWL4965_HT_AGG */
858 struct iwl4965_lq_mngr {
859 #ifdef CONFIG_IWL4965_HT_AGG
860 struct iwl4965_agg_control agg_ctrl;
865 u8 *next_higher_rate;
868 unsigned long stamp_last;
875 /* Sensitivity and chain noise calibration */
876 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
877 #define INITIALIZATION_VALUE 0xFFFF
878 #define CAL_NUM_OF_BEACONS 20
879 #define MAXIMUM_ALLOWED_PATHLOSS 15
881 /* Param table within SENSITIVITY_CMD */
882 #define HD_MIN_ENERGY_CCK_DET_INDEX (0)
883 #define HD_MIN_ENERGY_OFDM_DET_INDEX (1)
884 #define HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX (2)
885 #define HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX (3)
886 #define HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX (4)
887 #define HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX (5)
888 #define HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX (6)
889 #define HD_BARKER_CORR_TH_ADD_MIN_INDEX (7)
890 #define HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX (8)
891 #define HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX (9)
892 #define HD_OFDM_ENERGY_TH_IN_INDEX (10)
894 #define SENSITIVITY_CMD_CONTROL_DEFAULT_TABLE __constant_cpu_to_le16(0)
895 #define SENSITIVITY_CMD_CONTROL_WORK_TABLE __constant_cpu_to_le16(1)
897 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
899 #define MAX_FA_OFDM 50
900 #define MIN_FA_OFDM 5
901 #define MAX_FA_CCK 50
904 #define NRG_MIN_CCK 97
905 #define NRG_MAX_CCK 0
907 #define AUTO_CORR_MIN_OFDM 85
908 #define AUTO_CORR_MIN_OFDM_MRC 170
909 #define AUTO_CORR_MIN_OFDM_X1 105
910 #define AUTO_CORR_MIN_OFDM_MRC_X1 220
911 #define AUTO_CORR_MAX_OFDM 120
912 #define AUTO_CORR_MAX_OFDM_MRC 210
913 #define AUTO_CORR_MAX_OFDM_X1 140
914 #define AUTO_CORR_MAX_OFDM_MRC_X1 270
915 #define AUTO_CORR_STEP_OFDM 1
917 #define AUTO_CORR_MIN_CCK (125)
918 #define AUTO_CORR_MAX_CCK (200)
919 #define AUTO_CORR_MIN_CCK_MRC 200
920 #define AUTO_CORR_MAX_CCK_MRC 400
921 #define AUTO_CORR_STEP_CCK 3
922 #define AUTO_CORR_MAX_TH_CCK 160
925 #define AUTO_CORR_ALG 1
927 #define NRG_STEP_CCK 2
929 #define MAX_NUMBER_CCK_NO_FA 100
931 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
936 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
937 #define ALL_BAND_FILTER 0xFF00
938 #define IN_BAND_FILTER 0xFF
939 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
941 enum iwl4965_false_alarm_state {
944 IWL_FA_GOOD_RANGE = 2,
947 enum iwl4965_chain_noise_state {
948 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
949 IWL_CHAIN_NOISE_ACCUMULATE = 1,
950 IWL_CHAIN_NOISE_CALIBRATED = 2,
953 enum iwl4965_sensitivity_state {
954 IWL_SENS_CALIB_ALLOWED = 0,
955 IWL_SENS_CALIB_NEED_REINIT = 1,
958 enum iwl4965_calib_enabled_state {
959 IWL_CALIB_DISABLED = 0, /* must be 0 */
960 IWL_CALIB_ENABLED = 1,
963 struct statistics_general_data {
964 u32 beacon_silence_rssi_a;
965 u32 beacon_silence_rssi_b;
966 u32 beacon_silence_rssi_c;
972 /* Sensitivity calib data */
973 struct iwl4965_sensitivity_data {
975 u32 auto_corr_ofdm_mrc;
976 u32 auto_corr_ofdm_x1;
977 u32 auto_corr_ofdm_mrc_x1;
979 u32 auto_corr_cck_mrc;
981 u32 last_bad_plcp_cnt_ofdm;
982 u32 last_fa_cnt_ofdm;
983 u32 last_bad_plcp_cnt_cck;
989 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
994 s32 nrg_auto_corr_silence_diff;
995 u32 num_in_cck_no_fa;
1001 /* Chain noise (differential Rx gain) calib data */
1002 struct iwl4965_chain_noise_data {
1011 u8 disconn_array[NUM_RX_CHAINS];
1012 u8 delta_gain_code[NUM_RX_CHAINS];
1017 #define RATE_MCS_CODE_MSK 0x7
1018 #define RATE_MCS_MIMO_POS 3
1019 #define RATE_MCS_MIMO_MSK 0x8
1020 #define RATE_MCS_HT_DUP_POS 5
1021 #define RATE_MCS_HT_DUP_MSK 0x20
1022 #define RATE_MCS_FLAGS_POS 8
1023 #define RATE_MCS_HT_POS 8
1024 #define RATE_MCS_HT_MSK 0x100
1025 #define RATE_MCS_CCK_POS 9
1026 #define RATE_MCS_CCK_MSK 0x200
1027 #define RATE_MCS_GF_POS 10
1028 #define RATE_MCS_GF_MSK 0x400
1030 #define RATE_MCS_FAT_POS 11
1031 #define RATE_MCS_FAT_MSK 0x800
1032 #define RATE_MCS_DUP_POS 12
1033 #define RATE_MCS_DUP_MSK 0x1000
1034 #define RATE_MCS_SGI_POS 13
1035 #define RATE_MCS_SGI_MSK 0x2000
1037 #define EEPROM_SEM_TIMEOUT 10
1038 #define EEPROM_SEM_RETRY_LIMIT 1000
1041 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
1044 MEASUREMENT_READY = (1 << 0),
1045 MEASUREMENT_ACTIVE = (1 << 1),
1050 struct iwl4965_priv {
1052 /* ieee device used by generic ieee processing code */
1053 struct ieee80211_hw *hw;
1054 struct ieee80211_channel *ieee_channels;
1055 struct ieee80211_rate *ieee_rates;
1057 /* temporary frame storage list */
1058 struct list_head free_frames;
1064 void (*rx_handlers[REPLY_MAX])(struct iwl4965_priv *priv,
1065 struct iwl4965_rx_mem_buffer *rxb);
1067 const struct ieee80211_hw_mode *modes;
1069 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
1070 /* spectrum measurement report caching */
1071 struct iwl4965_spectrum_notification measure_report;
1072 u8 measurement_status;
1074 /* ucode beacon time */
1075 u32 ucode_beacon_time;
1077 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
1078 * Access via channel # using indirect index array */
1079 struct iwl4965_channel_info *channel_info; /* channel info array */
1080 u8 channel_count; /* # of channels */
1082 /* each calibration channel group in the EEPROM has a derived
1083 * clip setting for each rate. */
1084 const struct iwl4965_clip_group clip_groups[5];
1086 /* thermal calibration */
1087 s32 temperature; /* degrees Kelvin */
1088 s32 last_temperature;
1090 /* Scan related variables */
1091 unsigned long last_scan_jiffies;
1092 unsigned long scan_start;
1093 unsigned long scan_pass_start;
1094 unsigned long scan_start_tsf;
1096 int one_direct_scan;
1098 u8 direct_ssid[IW_ESSID_MAX_SIZE];
1099 struct iwl4965_scan_cmd *scan;
1100 u8 only_active_channel;
1103 spinlock_t lock; /* protect general shared data */
1104 spinlock_t hcmd_lock; /* protect hcmd */
1107 /* basic pci-network driver stuff */
1108 struct pci_dev *pci_dev;
1110 /* pci hardware address support */
1111 void __iomem *hw_base;
1113 /* uCode images, save to reload in case of failure */
1114 struct fw_desc ucode_code; /* runtime inst */
1115 struct fw_desc ucode_data; /* runtime data original */
1116 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1117 struct fw_desc ucode_init; /* initialization inst */
1118 struct fw_desc ucode_init_data; /* initialization data */
1119 struct fw_desc ucode_boot; /* bootstrap inst */
1122 struct iwl4965_rxon_time_cmd rxon_timing;
1124 /* We declare this const so it can only be
1125 * changed via explicit cast within the
1126 * routines that actually update the physical
1128 const struct iwl4965_rxon_cmd active_rxon;
1129 struct iwl4965_rxon_cmd staging_rxon;
1131 int error_recovering;
1132 struct iwl4965_rxon_cmd recovery_rxon;
1134 /* 1st responses from initialize and runtime uCode images.
1135 * 4965's initialize alive response contains some calibration data. */
1136 struct iwl4965_init_alive_resp card_alive_init;
1137 struct iwl4965_alive_resp card_alive;
1140 /* LED related variables */
1141 struct iwl4965_activity_blink activity;
1142 unsigned long led_packets;
1147 u16 active_rate_basic;
1149 u8 call_post_assoc_from_beacon;
1150 u8 assoc_station_added;
1151 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
1155 u8 channel_width; /* 0=20MHZ, 1=40MHZ */
1156 u8 current_channel_width;
1157 u8 valid_antenna; /* Bit mask of antennas actually connected */
1158 #ifdef CONFIG_IWL4965_SENSITIVITY
1159 struct iwl4965_sensitivity_data sensitivity_data;
1160 struct iwl4965_chain_noise_data chain_noise_data;
1162 __le16 sensitivity_tbl[HD_TABLE_SIZE];
1163 #endif /*CONFIG_IWL4965_SENSITIVITY*/
1165 #ifdef CONFIG_IWL4965_HT
1166 struct sta_ht_info current_assoc_ht;
1168 u8 active_rate_ht[2];
1169 u8 last_phy_res[100];
1171 /* Rate scaling data */
1172 struct iwl4965_lq_mngr lq_mngr;
1174 /* Rate scaling data */
1175 s8 data_retry_limit;
1178 wait_queue_head_t wait_command_queue;
1180 int activity_timer_active;
1182 /* Rx and Tx DMA processing queues */
1183 struct iwl4965_rx_queue rxq;
1184 struct iwl4965_tx_queue txq[IWL_MAX_NUM_QUEUES];
1185 unsigned long txq_ctx_active_msk;
1186 struct iwl4965_kw kw; /* keep warm address */
1187 u32 scd_base_addr; /* scheduler sram base address */
1189 unsigned long status;
1192 int last_rx_rssi; /* From Rx packet statisitics */
1193 int last_rx_noise; /* From beacon statistics */
1195 struct iwl4965_power_mgr power_data;
1197 struct iwl4965_notif_statistics statistics;
1198 unsigned long last_statistics_time;
1200 /* context information */
1201 u8 essid[IW_ESSID_MAX_SIZE];
1209 u8 mac_addr[ETH_ALEN];
1211 /*station table variables */
1212 spinlock_t sta_lock;
1214 struct iwl4965_station_entry stations[IWL_STATION_COUNT];
1216 /* Indication if ieee80211_ops->open has been called */
1219 u8 mac80211_registered;
1222 u32 notif_missed_beacons;
1224 /* Rx'd packet timing information */
1225 u32 last_beacon_time;
1228 /* Duplicate packet detection */
1231 unsigned long last_packet_time;
1232 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1235 struct iwl4965_eeprom eeprom;
1239 struct sk_buff *ibss_beacon;
1241 /* Last Rx'd beacon timestamp */
1245 struct iwl4965_driver_hw_info hw_setting;
1248 /* Current association information needed to configure the
1251 u16 assoc_capability;
1254 #ifdef CONFIG_IWL4965_QOS
1255 struct iwl4965_qos_info qos_data;
1256 #endif /*CONFIG_IWL4965_QOS */
1258 struct workqueue_struct *workqueue;
1260 struct work_struct up;
1261 struct work_struct restart;
1262 struct work_struct calibrated_work;
1263 struct work_struct scan_completed;
1264 struct work_struct rx_replenish;
1265 struct work_struct rf_kill;
1266 struct work_struct abort_scan;
1267 struct work_struct update_link_led;
1268 struct work_struct auth_work;
1269 struct work_struct report_work;
1270 struct work_struct request_scan;
1271 struct work_struct beacon_update;
1273 struct tasklet_struct irq_tasklet;
1275 struct delayed_work init_alive_start;
1276 struct delayed_work alive_start;
1277 struct delayed_work activity_timer;
1278 struct delayed_work thermal_periodic;
1279 struct delayed_work gather_stats;
1280 struct delayed_work scan_check;
1281 struct delayed_work post_associate;
1283 #define IWL_DEFAULT_TX_POWER 0x0F
1284 s8 user_txpower_limit;
1285 s8 max_channel_txpower_limit;
1291 #ifdef CONFIG_IWL4965_DEBUG
1292 /* debugging info */
1294 atomic_t restrict_refcnt;
1297 struct work_struct txpower_work;
1298 #ifdef CONFIG_IWL4965_SENSITIVITY
1299 struct work_struct sensitivity_work;
1301 struct work_struct statistics_work;
1302 struct timer_list statistics_periodic;
1304 #ifdef CONFIG_IWL4965_HT_AGG
1305 struct work_struct agg_work;
1307 }; /*iwl4965_priv */
1309 static inline int iwl4965_is_associated(struct iwl4965_priv *priv)
1311 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1314 static inline int is_channel_valid(const struct iwl4965_channel_info *ch_info)
1316 if (ch_info == NULL)
1318 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1321 static inline int is_channel_narrow(const struct iwl4965_channel_info *ch_info)
1323 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
1326 static inline int is_channel_radar(const struct iwl4965_channel_info *ch_info)
1328 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1331 static inline u8 is_channel_a_band(const struct iwl4965_channel_info *ch_info)
1333 return ch_info->phymode == MODE_IEEE80211A;
1336 static inline u8 is_channel_bg_band(const struct iwl4965_channel_info *ch_info)
1338 return ((ch_info->phymode == MODE_IEEE80211B) ||
1339 (ch_info->phymode == MODE_IEEE80211G));
1342 static inline int is_channel_passive(const struct iwl4965_channel_info *ch)
1344 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1347 static inline int is_channel_ibss(const struct iwl4965_channel_info *ch)
1349 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1352 extern const struct iwl4965_channel_info *iwl4965_get_channel_info(
1353 const struct iwl4965_priv *priv, int phymode, u16 channel);
1355 /* Requires full declaration of iwl4965_priv before including */
1356 #include "iwl-4965-io.h"
1358 #endif /* __iwl4965_4965_h__ */