initial commit with v2.6.32.60
[linux-2.6.32.60-moxart.git] / drivers / net / wireless / iwlwifi / iwl-dev.h
blob3539ea4c9bd4d78e1cba4891f3600a3eefe548bb
1 /******************************************************************************
3 * Copyright(c) 2003 - 2009 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
12 * more details.
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 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
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.
32 #ifndef __iwl_dev_h__
33 #define __iwl_dev_h__
35 #include <linux/pci.h> /* for struct pci_device_id */
36 #include <linux/kernel.h>
37 #include <net/ieee80211_radiotap.h>
39 #include "iwl-eeprom.h"
40 #include "iwl-csr.h"
41 #include "iwl-prph.h"
42 #include "iwl-fh.h"
43 #include "iwl-debug.h"
44 #include "iwl-4965-hw.h"
45 #include "iwl-3945-hw.h"
46 #include "iwl-3945-led.h"
47 #include "iwl-led.h"
48 #include "iwl-power.h"
49 #include "iwl-agn-rs.h"
51 /* configuration for the iwl4965 */
52 extern struct iwl_cfg iwl4965_agn_cfg;
53 extern struct iwl_cfg iwl5300_agn_cfg;
54 extern struct iwl_cfg iwl5100_agn_cfg;
55 extern struct iwl_cfg iwl5350_agn_cfg;
56 extern struct iwl_cfg iwl5100_bgn_cfg;
57 extern struct iwl_cfg iwl5100_abg_cfg;
58 extern struct iwl_cfg iwl5150_agn_cfg;
59 extern struct iwl_cfg iwl5150_abg_cfg;
60 extern struct iwl_cfg iwl6000h_2agn_cfg;
61 extern struct iwl_cfg iwl6000i_2agn_cfg;
62 extern struct iwl_cfg iwl6000_3agn_cfg;
63 extern struct iwl_cfg iwl6050_2agn_cfg;
64 extern struct iwl_cfg iwl6050_3agn_cfg;
65 extern struct iwl_cfg iwl1000_bgn_cfg;
67 struct iwl_tx_queue;
69 /* shared structures from iwl-5000.c */
70 extern struct iwl_mod_params iwl50_mod_params;
71 extern struct iwl_ops iwl5000_ops;
72 extern struct iwl_ucode_ops iwl5000_ucode;
73 extern struct iwl_lib_ops iwl5000_lib;
74 extern struct iwl_hcmd_ops iwl5000_hcmd;
75 extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils;
77 /* shared functions from iwl-5000.c */
78 extern u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len);
79 extern u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd,
80 u8 *data);
81 extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
82 __le32 *tx_flags);
83 extern int iwl5000_calc_rssi(struct iwl_priv *priv,
84 struct iwl_rx_phy_res *rx_resp);
85 extern int iwl5000_apm_init(struct iwl_priv *priv);
86 extern void iwl5000_apm_stop(struct iwl_priv *priv);
87 extern int iwl5000_apm_reset(struct iwl_priv *priv);
88 extern void iwl5000_nic_config(struct iwl_priv *priv);
89 extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv);
90 extern const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
91 size_t offset);
92 extern void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
93 struct iwl_tx_queue *txq,
94 u16 byte_cnt);
95 extern void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
96 struct iwl_tx_queue *txq);
97 extern int iwl5000_load_ucode(struct iwl_priv *priv);
98 extern void iwl5000_init_alive_start(struct iwl_priv *priv);
99 extern int iwl5000_alive_notify(struct iwl_priv *priv);
100 extern int iwl5000_hw_set_hw_params(struct iwl_priv *priv);
101 extern int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id,
102 int tx_fifo, int sta_id, int tid, u16 ssn_idx);
103 extern int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
104 u16 ssn_idx, u8 tx_fifo);
105 extern void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask);
106 extern void iwl5000_setup_deferred_work(struct iwl_priv *priv);
107 extern void iwl5000_rx_handler_setup(struct iwl_priv *priv);
108 extern int iwl5000_hw_valid_rtc_data_addr(u32 addr);
109 extern int iwl5000_send_tx_power(struct iwl_priv *priv);
110 extern void iwl5000_temperature(struct iwl_priv *priv);
112 /* CT-KILL constants */
113 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
114 #define CT_KILL_THRESHOLD 114 /* in Celsius */
115 #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */
117 /* Default noise level to report when noise measurement is not available.
118 * This may be because we're:
119 * 1) Not associated (4965, no beacon statistics being sent to driver)
120 * 2) Scanning (noise measurement does not apply to associated channel)
121 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
122 * Use default noise value of -127 ... this is below the range of measurable
123 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
124 * Also, -127 works better than 0 when averaging frames with/without
125 * noise info (e.g. averaging might be done in app); measured dBm values are
126 * always negative ... using a negative value as the default keeps all
127 * averages within an s8's (used in some apps) range of negative values. */
128 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
131 * RTS threshold here is total size [2347] minus 4 FCS bytes
132 * Per spec:
133 * a value of 0 means RTS on all data/management packets
134 * a value > max MSDU size means no RTS
135 * else RTS for data/management frames where MPDU is larger
136 * than RTS value.
138 #define DEFAULT_RTS_THRESHOLD 2347U
139 #define MIN_RTS_THRESHOLD 0U
140 #define MAX_RTS_THRESHOLD 2347U
141 #define MAX_MSDU_SIZE 2304U
142 #define MAX_MPDU_SIZE 2346U
143 #define DEFAULT_BEACON_INTERVAL 100U
144 #define DEFAULT_SHORT_RETRY_LIMIT 7U
145 #define DEFAULT_LONG_RETRY_LIMIT 4U
147 struct iwl_rx_mem_buffer {
148 dma_addr_t real_dma_addr;
149 dma_addr_t aligned_dma_addr;
150 struct sk_buff *skb;
151 struct list_head list;
154 /* defined below */
155 struct iwl_device_cmd;
157 struct iwl_cmd_meta {
158 /* only for SYNC commands, iff the reply skb is wanted */
159 struct iwl_host_cmd *source;
161 * only for ASYNC commands
162 * (which is somewhat stupid -- look at iwl-sta.c for instance
163 * which duplicates a bunch of code because the callback isn't
164 * invoked for SYNC commands, if it were and its result passed
165 * through it would be simpler...)
167 void (*callback)(struct iwl_priv *priv,
168 struct iwl_device_cmd *cmd,
169 struct sk_buff *skb);
171 /* The CMD_SIZE_HUGE flag bit indicates that the command
172 * structure is stored at the end of the shared queue memory. */
173 u32 flags;
175 DECLARE_PCI_UNMAP_ADDR(mapping)
176 DECLARE_PCI_UNMAP_LEN(len)
180 * Generic queue structure
182 * Contains common data for Rx and Tx queues
184 struct iwl_queue {
185 int n_bd; /* number of BDs in this queue */
186 int write_ptr; /* 1-st empty entry (index) host_w*/
187 int read_ptr; /* last used entry (index) host_r*/
188 dma_addr_t dma_addr; /* physical addr for BD's */
189 int n_window; /* safe queue window */
190 u32 id;
191 int low_mark; /* low watermark, resume queue if free
192 * space more than this */
193 int high_mark; /* high watermark, stop queue if free
194 * space less than this */
195 } __attribute__ ((packed));
197 /* One for each TFD */
198 struct iwl_tx_info {
199 struct sk_buff *skb[IWL_NUM_OF_TBS - 1];
203 * struct iwl_tx_queue - Tx Queue for DMA
204 * @q: generic Rx/Tx queue descriptor
205 * @bd: base of circular buffer of TFDs
206 * @cmd: array of command/TX buffer pointers
207 * @meta: array of meta data for each command/tx buffer
208 * @dma_addr_cmd: physical address of cmd/tx buffer array
209 * @txb: array of per-TFD driver data
210 * @need_update: indicates need to update read/write index
211 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
213 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
214 * descriptors) and required locking structures.
216 #define TFD_TX_CMD_SLOTS 256
217 #define TFD_CMD_SLOTS 32
219 struct iwl_tx_queue {
220 struct iwl_queue q;
221 void *tfds;
222 struct iwl_device_cmd **cmd;
223 struct iwl_cmd_meta *meta;
224 struct iwl_tx_info *txb;
225 u8 need_update;
226 u8 sched_retry;
227 u8 active;
228 u8 swq_id;
231 #define IWL_NUM_SCAN_RATES (2)
233 struct iwl4965_channel_tgd_info {
234 u8 type;
235 s8 max_power;
238 struct iwl4965_channel_tgh_info {
239 s64 last_radar_time;
242 #define IWL4965_MAX_RATE (33)
244 struct iwl3945_clip_group {
245 /* maximum power level to prevent clipping for each rate, derived by
246 * us from this band's saturation power in EEPROM */
247 const s8 clip_powers[IWL_MAX_RATES];
250 /* current Tx power values to use, one for each rate for each channel.
251 * requested power is limited by:
252 * -- regulatory EEPROM limits for this channel
253 * -- hardware capabilities (clip-powers)
254 * -- spectrum management
255 * -- user preference (e.g. iwconfig)
256 * when requested power is set, base power index must also be set. */
257 struct iwl3945_channel_power_info {
258 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
259 s8 power_table_index; /* actual (compenst'd) index into gain table */
260 s8 base_power_index; /* gain index for power at factory temp. */
261 s8 requested_power; /* power (dBm) requested for this chnl/rate */
264 /* current scan Tx power values to use, one for each scan rate for each
265 * channel. */
266 struct iwl3945_scan_power_info {
267 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
268 s8 power_table_index; /* actual (compenst'd) index into gain table */
269 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
273 * One for each channel, holds all channel setup data
274 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
275 * with one another!
277 struct iwl_channel_info {
278 struct iwl4965_channel_tgd_info tgd;
279 struct iwl4965_channel_tgh_info tgh;
280 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
281 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for
282 * HT40 channel */
284 u8 channel; /* channel number */
285 u8 flags; /* flags copied from EEPROM */
286 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
287 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
288 s8 min_power; /* always 0 */
289 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
291 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
292 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
293 enum ieee80211_band band;
295 /* HT40 channel info */
296 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
297 s8 ht40_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
298 s8 ht40_min_power; /* always 0 */
299 s8 ht40_scan_power; /* (dBm) eeprom, direct scans, any rate */
300 u8 ht40_flags; /* flags copied from EEPROM */
301 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
303 /* Radio/DSP gain settings for each "normal" data Tx rate.
304 * These include, in addition to RF and DSP gain, a few fields for
305 * remembering/modifying gain settings (indexes). */
306 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
308 /* Radio/DSP gain settings for each scan rate, for directed scans. */
309 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
312 #define IWL_TX_FIFO_AC0 0
313 #define IWL_TX_FIFO_AC1 1
314 #define IWL_TX_FIFO_AC2 2
315 #define IWL_TX_FIFO_AC3 3
316 #define IWL_TX_FIFO_HCCA_1 5
317 #define IWL_TX_FIFO_HCCA_2 6
318 #define IWL_TX_FIFO_NONE 7
320 /* Minimum number of queues. MAX_NUM is defined in hw specific files.
321 * Set the minimum to accommodate the 4 standard TX queues, 1 command
322 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
323 #define IWL_MIN_NUM_QUEUES 10
325 /* Power management (not Tx power) structures */
327 enum iwl_pwr_src {
328 IWL_PWR_SRC_VMAIN,
329 IWL_PWR_SRC_VAUX,
332 #define IEEE80211_DATA_LEN 2304
333 #define IEEE80211_4ADDR_LEN 30
334 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
335 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
337 struct iwl_frame {
338 union {
339 struct ieee80211_hdr frame;
340 struct iwl_tx_beacon_cmd beacon;
341 u8 raw[IEEE80211_FRAME_LEN];
342 u8 cmd[360];
343 } u;
344 struct list_head list;
347 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
348 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
349 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
351 enum {
352 CMD_SYNC = 0,
353 CMD_SIZE_NORMAL = 0,
354 CMD_NO_SKB = 0,
355 CMD_SIZE_HUGE = (1 << 0),
356 CMD_ASYNC = (1 << 1),
357 CMD_WANT_SKB = (1 << 2),
360 #define IWL_CMD_MAX_PAYLOAD 320
363 * struct iwl_device_cmd
365 * For allocation of the command and tx queues, this establishes the overall
366 * size of the largest command we send to uCode, except for a scan command
367 * (which is relatively huge; space is allocated separately).
369 struct iwl_device_cmd {
370 struct iwl_cmd_header hdr; /* uCode API */
371 union {
372 u32 flags;
373 u8 val8;
374 u16 val16;
375 u32 val32;
376 struct iwl_tx_cmd tx;
377 u8 payload[IWL_CMD_MAX_PAYLOAD];
378 } __attribute__ ((packed)) cmd;
379 } __attribute__ ((packed));
381 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
384 struct iwl_host_cmd {
385 const void *data;
386 struct sk_buff *reply_skb;
387 void (*callback)(struct iwl_priv *priv,
388 struct iwl_device_cmd *cmd,
389 struct sk_buff *skb);
390 u32 flags;
391 u16 len;
392 u8 id;
396 * RX related structures and functions
398 #define RX_FREE_BUFFERS 64
399 #define RX_LOW_WATERMARK 8
401 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
402 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
403 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
406 * struct iwl_rx_queue - Rx queue
407 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
408 * @dma_addr: bus address of buffer of receive buffer descriptors (rbd)
409 * @read: Shared index to newest available Rx buffer
410 * @write: Shared index to oldest written Rx packet
411 * @free_count: Number of pre-allocated buffers in rx_free
412 * @rx_free: list of free SKBs for use
413 * @rx_used: List of Rx buffers with no SKB
414 * @need_update: flag to indicate we need to update read/write index
415 * @rb_stts: driver's pointer to receive buffer status
416 * @rb_stts_dma: bus address of receive buffer status
418 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
420 struct iwl_rx_queue {
421 __le32 *bd;
422 dma_addr_t dma_addr;
423 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
424 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
425 u32 read;
426 u32 write;
427 u32 free_count;
428 u32 write_actual;
429 struct list_head rx_free;
430 struct list_head rx_used;
431 int need_update;
432 struct iwl_rb_status *rb_stts;
433 dma_addr_t rb_stts_dma;
434 spinlock_t lock;
437 #define IWL_SUPPORTED_RATES_IE_LEN 8
439 #define MAX_TID_COUNT 9
441 #define IWL_INVALID_RATE 0xFF
442 #define IWL_INVALID_VALUE -1
445 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
446 * @txq_id: Tx queue used for Tx attempt
447 * @frame_count: # frames attempted by Tx command
448 * @wait_for_ba: Expect block-ack before next Tx reply
449 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
450 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
451 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
452 * @rate_n_flags: Rate at which Tx was attempted
454 * If REPLY_TX indicates that aggregation was attempted, driver must wait
455 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
456 * until block ack arrives.
458 struct iwl_ht_agg {
459 u16 txq_id;
460 u16 frame_count;
461 u16 wait_for_ba;
462 u16 start_idx;
463 u64 bitmap;
464 u32 rate_n_flags;
465 #define IWL_AGG_OFF 0
466 #define IWL_AGG_ON 1
467 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
468 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
469 u8 state;
473 struct iwl_tid_data {
474 u16 seq_number;
475 u16 tfds_in_queue;
476 struct iwl_ht_agg agg;
479 struct iwl_hw_key {
480 enum ieee80211_key_alg alg;
481 int keylen;
482 u8 keyidx;
483 u8 key[32];
486 union iwl_ht_rate_supp {
487 u16 rates;
488 struct {
489 u8 siso_rate;
490 u8 mimo_rate;
494 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
497 * Maximal MPDU density for TX aggregation
498 * 4 - 2us density
499 * 5 - 4us density
500 * 6 - 8us density
501 * 7 - 16us density
503 #define CFG_HT_MPDU_DENSITY_4USEC (0x5)
504 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
506 struct iwl_ht_info {
507 /* self configuration data */
508 u8 is_ht;
509 u8 supported_chan_width;
510 u8 sm_ps;
511 struct ieee80211_mcs_info mcs;
512 /* BSS related data */
513 u8 extension_chan_offset;
514 u8 ht_protection;
515 u8 non_GF_STA_present;
518 union iwl_qos_capabity {
519 struct {
520 u8 edca_count:4; /* bit 0-3 */
521 u8 q_ack:1; /* bit 4 */
522 u8 queue_request:1; /* bit 5 */
523 u8 txop_request:1; /* bit 6 */
524 u8 reserved:1; /* bit 7 */
525 } q_AP;
526 struct {
527 u8 acvo_APSD:1; /* bit 0 */
528 u8 acvi_APSD:1; /* bit 1 */
529 u8 ac_bk_APSD:1; /* bit 2 */
530 u8 ac_be_APSD:1; /* bit 3 */
531 u8 q_ack:1; /* bit 4 */
532 u8 max_len:2; /* bit 5-6 */
533 u8 more_data_ack:1; /* bit 7 */
534 } q_STA;
535 u8 val;
538 /* QoS structures */
539 struct iwl_qos_info {
540 int qos_active;
541 union iwl_qos_capabity qos_cap;
542 struct iwl_qosparam_cmd def_qos_parm;
545 #define STA_PS_STATUS_WAKE 0
546 #define STA_PS_STATUS_SLEEP 1
549 struct iwl3945_station_entry {
550 struct iwl3945_addsta_cmd sta;
551 struct iwl_tid_data tid[MAX_TID_COUNT];
552 u8 used;
553 u8 ps_status;
554 struct iwl_hw_key keyinfo;
557 struct iwl_station_entry {
558 struct iwl_addsta_cmd sta;
559 struct iwl_tid_data tid[MAX_TID_COUNT];
560 u8 used;
561 u8 ps_status;
562 struct iwl_hw_key keyinfo;
565 /* one for each uCode image (inst/data, boot/init/runtime) */
566 struct fw_desc {
567 void *v_addr; /* access by driver */
568 dma_addr_t p_addr; /* access by card's busmaster DMA */
569 u32 len; /* bytes */
572 /* uCode file layout */
573 struct iwl_ucode_header {
574 __le32 ver; /* major/minor/API/serial */
575 union {
576 struct {
577 __le32 inst_size; /* bytes of runtime code */
578 __le32 data_size; /* bytes of runtime data */
579 __le32 init_size; /* bytes of init code */
580 __le32 init_data_size; /* bytes of init data */
581 __le32 boot_size; /* bytes of bootstrap code */
582 u8 data[0]; /* in same order as sizes */
583 } v1;
584 struct {
585 __le32 build; /* build number */
586 __le32 inst_size; /* bytes of runtime code */
587 __le32 data_size; /* bytes of runtime data */
588 __le32 init_size; /* bytes of init code */
589 __le32 init_data_size; /* bytes of init data */
590 __le32 boot_size; /* bytes of bootstrap code */
591 u8 data[0]; /* in same order as sizes */
592 } v2;
593 } u;
595 #define UCODE_HEADER_SIZE(ver) ((ver) == 1 ? 24 : 28)
597 struct iwl4965_ibss_seq {
598 u8 mac[ETH_ALEN];
599 u16 seq_num;
600 u16 frag_num;
601 unsigned long packet_time;
602 struct list_head list;
605 struct iwl_sensitivity_ranges {
606 u16 min_nrg_cck;
607 u16 max_nrg_cck;
609 u16 nrg_th_cck;
610 u16 nrg_th_ofdm;
612 u16 auto_corr_min_ofdm;
613 u16 auto_corr_min_ofdm_mrc;
614 u16 auto_corr_min_ofdm_x1;
615 u16 auto_corr_min_ofdm_mrc_x1;
617 u16 auto_corr_max_ofdm;
618 u16 auto_corr_max_ofdm_mrc;
619 u16 auto_corr_max_ofdm_x1;
620 u16 auto_corr_max_ofdm_mrc_x1;
622 u16 auto_corr_max_cck;
623 u16 auto_corr_max_cck_mrc;
624 u16 auto_corr_min_cck;
625 u16 auto_corr_min_cck_mrc;
629 #define KELVIN_TO_CELSIUS(x) ((x)-273)
630 #define CELSIUS_TO_KELVIN(x) ((x)+273)
634 * struct iwl_hw_params
635 * @max_txq_num: Max # Tx queues supported
636 * @dma_chnl_num: Number of Tx DMA/FIFO channels
637 * @scd_bc_tbls_size: size of scheduler byte count tables
638 * @tfd_size: TFD size
639 * @tx/rx_chains_num: Number of TX/RX chains
640 * @valid_tx/rx_ant: usable antennas
641 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
642 * @max_rxq_log: Log-base-2 of max_rxq_size
643 * @rx_buf_size: Rx buffer size
644 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
645 * @max_stations:
646 * @bcast_sta_id:
647 * @ht40_channel: is 40MHz width possible in band 2.4
648 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
649 * @sw_crypto: 0 for hw, 1 for sw
650 * @max_xxx_size: for ucode uses
651 * @ct_kill_threshold: temperature threshold
652 * @calib_init_cfg: setup initial calibrations for the hw
653 * @struct iwl_sensitivity_ranges: range of sensitivity values
655 struct iwl_hw_params {
656 u8 max_txq_num;
657 u8 dma_chnl_num;
658 u16 scd_bc_tbls_size;
659 u32 tfd_size;
660 u8 tx_chains_num;
661 u8 rx_chains_num;
662 u8 valid_tx_ant;
663 u8 valid_rx_ant;
664 u16 max_rxq_size;
665 u16 max_rxq_log;
666 u32 rx_buf_size;
667 u32 rx_wrt_ptr_reg;
668 u32 max_pkt_size;
669 u8 max_stations;
670 u8 bcast_sta_id;
671 u8 ht40_channel;
672 u8 max_beacon_itrvl; /* in 1024 ms */
673 u32 max_inst_size;
674 u32 max_data_size;
675 u32 max_bsm_size;
676 u32 ct_kill_threshold; /* value in hw-dependent units */
677 u32 ct_kill_exit_threshold; /* value in hw-dependent units */
678 /* for 1000, 6000 series and up */
679 u32 calib_init_cfg;
680 const struct iwl_sensitivity_ranges *sens;
684 /******************************************************************************
686 * Functions implemented in core module which are forward declared here
687 * for use by iwl-[4-5].c
689 * NOTE: The implementation of these functions are not hardware specific
690 * which is why they are in the core module files.
692 * Naming convention --
693 * iwl_ <-- Is part of iwlwifi
694 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
695 * iwl4965_bg_ <-- Called from work queue context
696 * iwl4965_mac_ <-- mac80211 callback
698 ****************************************************************************/
699 extern void iwl_update_chain_flags(struct iwl_priv *priv);
700 extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
701 extern const u8 iwl_bcast_addr[ETH_ALEN];
702 extern int iwl_rxq_stop(struct iwl_priv *priv);
703 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
704 extern int iwl_queue_space(const struct iwl_queue *q);
705 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
707 return q->write_ptr >= q->read_ptr ?
708 (i >= q->read_ptr && i < q->write_ptr) :
709 !(i < q->read_ptr && i >= q->write_ptr);
713 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
715 /* This is for scan command, the big buffer at end of command array */
716 if (is_huge)
717 return q->n_window; /* must be power of 2 */
719 /* Otherwise, use normal size buffers */
720 return index & (q->n_window - 1);
724 struct iwl_dma_ptr {
725 dma_addr_t dma;
726 void *addr;
727 size_t size;
730 #define IWL_CHANNEL_WIDTH_20MHZ 0
731 #define IWL_CHANNEL_WIDTH_40MHZ 1
733 #define IWL_OPERATION_MODE_AUTO 0
734 #define IWL_OPERATION_MODE_HT_ONLY 1
735 #define IWL_OPERATION_MODE_MIXED 2
736 #define IWL_OPERATION_MODE_20MHZ 3
738 #define IWL_TX_CRC_SIZE 4
739 #define IWL_TX_DELIMITER_SIZE 4
741 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
743 /* Sensitivity and chain noise calibration */
744 #define INITIALIZATION_VALUE 0xFFFF
745 #define CAL_NUM_OF_BEACONS 20
746 #define MAXIMUM_ALLOWED_PATHLOSS 15
748 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
750 #define MAX_FA_OFDM 50
751 #define MIN_FA_OFDM 5
752 #define MAX_FA_CCK 50
753 #define MIN_FA_CCK 5
755 #define AUTO_CORR_STEP_OFDM 1
757 #define AUTO_CORR_STEP_CCK 3
758 #define AUTO_CORR_MAX_TH_CCK 160
760 #define NRG_DIFF 2
761 #define NRG_STEP_CCK 2
762 #define NRG_MARGIN 8
763 #define MAX_NUMBER_CCK_NO_FA 100
765 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
767 #define CHAIN_A 0
768 #define CHAIN_B 1
769 #define CHAIN_C 2
770 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
771 #define ALL_BAND_FILTER 0xFF00
772 #define IN_BAND_FILTER 0xFF
773 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
775 #define NRG_NUM_PREV_STAT_L 20
776 #define NUM_RX_CHAINS 3
778 enum iwl4965_false_alarm_state {
779 IWL_FA_TOO_MANY = 0,
780 IWL_FA_TOO_FEW = 1,
781 IWL_FA_GOOD_RANGE = 2,
784 enum iwl4965_chain_noise_state {
785 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
786 IWL_CHAIN_NOISE_ACCUMULATE,
787 IWL_CHAIN_NOISE_CALIBRATED,
788 IWL_CHAIN_NOISE_DONE,
791 enum iwl4965_calib_enabled_state {
792 IWL_CALIB_DISABLED = 0, /* must be 0 */
793 IWL_CALIB_ENABLED = 1,
798 * enum iwl_calib
799 * defines the order in which results of initial calibrations
800 * should be sent to the runtime uCode
802 enum iwl_calib {
803 IWL_CALIB_XTAL,
804 IWL_CALIB_DC,
805 IWL_CALIB_LO,
806 IWL_CALIB_TX_IQ,
807 IWL_CALIB_TX_IQ_PERD,
808 IWL_CALIB_BASE_BAND,
809 IWL_CALIB_MAX
812 /* Opaque calibration results */
813 struct iwl_calib_result {
814 void *buf;
815 size_t buf_len;
818 enum ucode_type {
819 UCODE_NONE = 0,
820 UCODE_INIT,
821 UCODE_RT
824 /* Sensitivity calib data */
825 struct iwl_sensitivity_data {
826 u32 auto_corr_ofdm;
827 u32 auto_corr_ofdm_mrc;
828 u32 auto_corr_ofdm_x1;
829 u32 auto_corr_ofdm_mrc_x1;
830 u32 auto_corr_cck;
831 u32 auto_corr_cck_mrc;
833 u32 last_bad_plcp_cnt_ofdm;
834 u32 last_fa_cnt_ofdm;
835 u32 last_bad_plcp_cnt_cck;
836 u32 last_fa_cnt_cck;
838 u32 nrg_curr_state;
839 u32 nrg_prev_state;
840 u32 nrg_value[10];
841 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
842 u32 nrg_silence_ref;
843 u32 nrg_energy_idx;
844 u32 nrg_silence_idx;
845 u32 nrg_th_cck;
846 s32 nrg_auto_corr_silence_diff;
847 u32 num_in_cck_no_fa;
848 u32 nrg_th_ofdm;
851 /* Chain noise (differential Rx gain) calib data */
852 struct iwl_chain_noise_data {
853 u32 active_chains;
854 u32 chain_noise_a;
855 u32 chain_noise_b;
856 u32 chain_noise_c;
857 u32 chain_signal_a;
858 u32 chain_signal_b;
859 u32 chain_signal_c;
860 u16 beacon_count;
861 u8 disconn_array[NUM_RX_CHAINS];
862 u8 delta_gain_code[NUM_RX_CHAINS];
863 u8 radio_write;
864 u8 state;
867 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
868 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
870 #define IWL_TRAFFIC_ENTRIES (256)
871 #define IWL_TRAFFIC_ENTRY_SIZE (64)
873 enum {
874 MEASUREMENT_READY = (1 << 0),
875 MEASUREMENT_ACTIVE = (1 << 1),
878 enum iwl_nvm_type {
879 NVM_DEVICE_TYPE_EEPROM = 0,
880 NVM_DEVICE_TYPE_OTP,
884 * Two types of OTP memory access modes
885 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
886 * based on physical memory addressing
887 * IWL_OTP_ACCESS_RELATIVE - relative address mode,
888 * based on logical memory addressing
890 enum iwl_access_mode {
891 IWL_OTP_ACCESS_ABSOLUTE,
892 IWL_OTP_ACCESS_RELATIVE,
896 * enum iwl_pa_type - Power Amplifier type
897 * @IWL_PA_SYSTEM: based on uCode configuration
898 * @IWL_PA_HYBRID: use both Internal and external PA
899 * @IWL_PA_INTERNAL: use Internal only
901 enum iwl_pa_type {
902 IWL_PA_SYSTEM = 0,
903 IWL_PA_HYBRID = 1,
904 IWL_PA_INTERNAL = 2,
907 /* interrupt statistics */
908 struct isr_statistics {
909 u32 hw;
910 u32 sw;
911 u32 sw_err;
912 u32 sch;
913 u32 alive;
914 u32 rfkill;
915 u32 ctkill;
916 u32 wakeup;
917 u32 rx;
918 u32 rx_handlers[REPLY_MAX];
919 u32 tx;
920 u32 unhandled;
923 #ifdef CONFIG_IWLWIFI_DEBUGFS
924 /* management statistics */
925 enum iwl_mgmt_stats {
926 MANAGEMENT_ASSOC_REQ = 0,
927 MANAGEMENT_ASSOC_RESP,
928 MANAGEMENT_REASSOC_REQ,
929 MANAGEMENT_REASSOC_RESP,
930 MANAGEMENT_PROBE_REQ,
931 MANAGEMENT_PROBE_RESP,
932 MANAGEMENT_BEACON,
933 MANAGEMENT_ATIM,
934 MANAGEMENT_DISASSOC,
935 MANAGEMENT_AUTH,
936 MANAGEMENT_DEAUTH,
937 MANAGEMENT_ACTION,
938 MANAGEMENT_MAX,
940 /* control statistics */
941 enum iwl_ctrl_stats {
942 CONTROL_BACK_REQ = 0,
943 CONTROL_BACK,
944 CONTROL_PSPOLL,
945 CONTROL_RTS,
946 CONTROL_CTS,
947 CONTROL_ACK,
948 CONTROL_CFEND,
949 CONTROL_CFENDACK,
950 CONTROL_MAX,
953 struct traffic_stats {
954 u32 mgmt[MANAGEMENT_MAX];
955 u32 ctrl[CONTROL_MAX];
956 u32 data_cnt;
957 u64 data_bytes;
959 #else
960 struct traffic_stats {
961 u64 data_bytes;
963 #endif
965 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
967 struct iwl_priv {
969 /* ieee device used by generic ieee processing code */
970 struct ieee80211_hw *hw;
971 struct ieee80211_channel *ieee_channels;
972 struct ieee80211_rate *ieee_rates;
973 struct iwl_cfg *cfg;
975 /* temporary frame storage list */
976 struct list_head free_frames;
977 int frames_count;
979 enum ieee80211_band band;
980 int alloc_rxb_skb;
982 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
983 struct iwl_rx_mem_buffer *rxb);
985 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
987 #if defined(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
988 /* spectrum measurement report caching */
989 struct iwl_spectrum_notification measure_report;
990 u8 measurement_status;
991 #endif
992 /* ucode beacon time */
993 u32 ucode_beacon_time;
995 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
996 * Access via channel # using indirect index array */
997 struct iwl_channel_info *channel_info; /* channel info array */
998 u8 channel_count; /* # of channels */
1000 /* each calibration channel group in the EEPROM has a derived
1001 * clip setting for each rate. 3945 only.*/
1002 const struct iwl3945_clip_group clip39_groups[5];
1004 /* thermal calibration */
1005 s32 temperature; /* degrees Kelvin */
1006 s32 last_temperature;
1008 /* init calibration results */
1009 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
1011 /* Scan related variables */
1012 unsigned long last_scan_jiffies;
1013 unsigned long next_scan_jiffies;
1014 unsigned long scan_start;
1015 unsigned long scan_pass_start;
1016 unsigned long scan_start_tsf;
1017 void *scan;
1018 int scan_bands;
1019 struct cfg80211_scan_request *scan_request;
1020 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
1021 u8 mgmt_tx_ant;
1023 /* spinlock */
1024 spinlock_t lock; /* protect general shared data */
1025 spinlock_t hcmd_lock; /* protect hcmd */
1026 spinlock_t reg_lock; /* protect hw register access */
1027 struct mutex mutex;
1029 /* basic pci-network driver stuff */
1030 struct pci_dev *pci_dev;
1032 /* pci hardware address support */
1033 void __iomem *hw_base;
1034 u32 hw_rev;
1035 u32 hw_wa_rev;
1036 u8 rev_id;
1038 /* uCode images, save to reload in case of failure */
1039 u32 ucode_ver; /* version of ucode, copy of
1040 iwl_ucode.ver */
1041 struct fw_desc ucode_code; /* runtime inst */
1042 struct fw_desc ucode_data; /* runtime data original */
1043 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1044 struct fw_desc ucode_init; /* initialization inst */
1045 struct fw_desc ucode_init_data; /* initialization data */
1046 struct fw_desc ucode_boot; /* bootstrap inst */
1047 enum ucode_type ucode_type;
1048 u8 ucode_write_complete; /* the image write is complete */
1051 struct iwl_rxon_time_cmd rxon_timing;
1053 /* We declare this const so it can only be
1054 * changed via explicit cast within the
1055 * routines that actually update the physical
1056 * hardware */
1057 const struct iwl_rxon_cmd active_rxon;
1058 struct iwl_rxon_cmd staging_rxon;
1060 struct iwl_rxon_cmd recovery_rxon;
1062 /* 1st responses from initialize and runtime uCode images.
1063 * 4965's initialize alive response contains some calibration data. */
1064 struct iwl_init_alive_resp card_alive_init;
1065 struct iwl_alive_resp card_alive;
1067 #ifdef CONFIG_IWLWIFI_LEDS
1068 unsigned long last_blink_time;
1069 u8 last_blink_rate;
1070 u8 allow_blinking;
1071 u64 led_tpt;
1072 struct iwl_led led[IWL_LED_TRG_MAX];
1073 unsigned int rxtxpackets;
1074 #endif
1075 u16 active_rate;
1076 u16 active_rate_basic;
1078 u8 assoc_station_added;
1079 u8 start_calib;
1080 struct iwl_sensitivity_data sensitivity_data;
1081 struct iwl_chain_noise_data chain_noise_data;
1082 __le16 sensitivity_tbl[HD_TABLE_SIZE];
1084 struct iwl_ht_info current_ht_config;
1085 u8 last_phy_res[100];
1087 /* Rate scaling data */
1088 s8 data_retry_limit;
1089 u8 retry_rate;
1091 wait_queue_head_t wait_command_queue;
1093 int activity_timer_active;
1095 /* Rx and Tx DMA processing queues */
1096 struct iwl_rx_queue rxq;
1097 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
1098 unsigned long txq_ctx_active_msk;
1099 struct iwl_dma_ptr kw; /* keep warm address */
1100 struct iwl_dma_ptr scd_bc_tbls;
1102 u32 scd_base_addr; /* scheduler sram base address */
1104 unsigned long status;
1106 int last_rx_rssi; /* From Rx packet statistics */
1107 int last_rx_noise; /* From beacon statistics */
1109 /* counts mgmt, ctl, and data packets */
1110 struct traffic_stats tx_stats;
1111 struct traffic_stats rx_stats;
1113 /* counts interrupts */
1114 struct isr_statistics isr_stats;
1116 struct iwl_power_mgr power_data;
1117 struct iwl_tt_mgmt thermal_throttle;
1119 struct iwl_notif_statistics statistics;
1120 unsigned long last_statistics_time;
1122 /* context information */
1123 u16 rates_mask;
1125 u8 bssid[ETH_ALEN];
1126 u16 rts_threshold;
1127 u8 mac_addr[ETH_ALEN];
1129 /*station table variables */
1130 spinlock_t sta_lock;
1131 int num_stations;
1132 struct iwl_station_entry stations[IWL_STATION_COUNT];
1133 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1134 u8 default_wep_key;
1135 u8 key_mapping_key;
1136 unsigned long ucode_key_table;
1138 /* queue refcounts */
1139 #define IWL_MAX_HW_QUEUES 32
1140 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
1141 /* for each AC */
1142 atomic_t queue_stop_count[4];
1144 /* Indication if ieee80211_ops->open has been called */
1145 u8 is_open;
1147 u8 mac80211_registered;
1149 /* Rx'd packet timing information */
1150 u32 last_beacon_time;
1151 u64 last_tsf;
1153 /* eeprom -- this is in the card's little endian byte order */
1154 u8 *eeprom;
1155 int nvm_device_type;
1156 struct iwl_eeprom_calib_info *calib_info;
1158 enum nl80211_iftype iw_mode;
1160 struct sk_buff *ibss_beacon;
1162 /* Last Rx'd beacon timestamp */
1163 u64 timestamp;
1164 u16 beacon_int;
1165 struct ieee80211_vif *vif;
1167 /*Added for 3945 */
1168 void *shared_virt;
1169 dma_addr_t shared_phys;
1170 /*End*/
1171 struct iwl_hw_params hw_params;
1173 /* INT ICT Table */
1174 __le32 *ict_tbl;
1175 dma_addr_t ict_tbl_dma;
1176 dma_addr_t aligned_ict_tbl_dma;
1177 int ict_index;
1178 void *ict_tbl_vir;
1179 u32 inta;
1180 bool use_ict;
1182 u32 inta_mask;
1183 /* Current association information needed to configure the
1184 * hardware */
1185 u16 assoc_id;
1186 u16 assoc_capability;
1188 struct iwl_qos_info qos_data;
1190 struct workqueue_struct *workqueue;
1192 struct work_struct up;
1193 struct work_struct restart;
1194 struct work_struct calibrated_work;
1195 struct work_struct scan_completed;
1196 struct work_struct rx_replenish;
1197 struct work_struct abort_scan;
1198 struct work_struct update_link_led;
1199 struct work_struct auth_work;
1200 struct work_struct report_work;
1201 struct work_struct request_scan;
1202 struct work_struct beacon_update;
1203 struct work_struct tt_work;
1204 struct work_struct ct_enter;
1205 struct work_struct ct_exit;
1207 struct tasklet_struct irq_tasklet;
1209 struct delayed_work init_alive_start;
1210 struct delayed_work alive_start;
1211 struct delayed_work scan_check;
1213 /*For 3945 only*/
1214 struct delayed_work thermal_periodic;
1215 struct delayed_work rfkill_poll;
1217 /* TX Power */
1218 s8 tx_power_user_lmt;
1219 s8 tx_power_device_lmt;
1222 #ifdef CONFIG_IWLWIFI_DEBUG
1223 /* debugging info */
1224 u32 debug_level; /* per device debugging will override global
1225 iwl_debug_level if set */
1226 u32 framecnt_to_us;
1227 atomic_t restrict_refcnt;
1228 bool disable_ht40;
1229 #ifdef CONFIG_IWLWIFI_DEBUGFS
1230 /* debugfs */
1231 u16 tx_traffic_idx;
1232 u16 rx_traffic_idx;
1233 u8 *tx_traffic;
1234 u8 *rx_traffic;
1235 struct iwl_debugfs *dbgfs;
1236 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1237 #endif /* CONFIG_IWLWIFI_DEBUG */
1239 struct work_struct txpower_work;
1240 u32 disable_sens_cal;
1241 u32 disable_chain_noise_cal;
1242 u32 disable_tx_power_cal;
1243 struct work_struct run_time_calib_work;
1244 struct timer_list statistics_periodic;
1245 bool hw_ready;
1246 /*For 3945*/
1247 #define IWL_DEFAULT_TX_POWER 0x0F
1249 struct iwl3945_notif_statistics statistics_39;
1251 u32 sta_supp_rates;
1252 }; /*iwl_priv */
1254 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1256 set_bit(txq_id, &priv->txq_ctx_active_msk);
1259 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1261 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1264 #ifdef CONFIG_IWLWIFI_DEBUG
1265 const char *iwl_get_tx_fail_reason(u32 status);
1267 * iwl_get_debug_level: Return active debug level for device
1269 * Using sysfs it is possible to set per device debug level. This debug
1270 * level will be used if set, otherwise the global debug level which can be
1271 * set via module parameter is used.
1273 static inline u32 iwl_get_debug_level(struct iwl_priv *priv)
1275 if (priv->debug_level)
1276 return priv->debug_level;
1277 else
1278 return iwl_debug_level;
1280 #else
1281 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1283 static inline u32 iwl_get_debug_level(struct iwl_priv *priv)
1285 return iwl_debug_level;
1287 #endif
1290 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1291 int txq_id, int idx)
1293 if (priv->txq[txq_id].txb[idx].skb[0])
1294 return (struct ieee80211_hdr *)priv->txq[txq_id].
1295 txb[idx].skb[0]->data;
1296 return NULL;
1300 static inline int iwl_is_associated(struct iwl_priv *priv)
1302 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1305 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1307 if (ch_info == NULL)
1308 return 0;
1309 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1312 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1314 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1317 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1319 return ch_info->band == IEEE80211_BAND_5GHZ;
1322 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1324 return ch_info->band == IEEE80211_BAND_2GHZ;
1327 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1329 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1332 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1334 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1337 #endif /* __iwl_dev_h__ */