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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.h1019
1 files changed, 1019 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h b/drivers/net/wireless/iwlwifi/iwl-4965.h
index b31a7e4b7d78..bf174d3b8fbf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.h
@@ -26,6 +26,707 @@
26#ifndef __iwl_4965_h__ 26#ifndef __iwl_4965_h__
27#define __iwl_4965_h__ 27#define __iwl_4965_h__
28 28
29#include <linux/pci.h> /* for struct pci_device_id */
30#include <linux/kernel.h>
31#include <net/ieee80211_radiotap.h>
32
33struct iwl_priv;
34
35/* Hardware specific file defines the PCI IDs table for that hardware module */
36extern struct pci_device_id iwl_hw_card_ids[];
37
38#define DRV_NAME "iwl4965"
39#include "iwl-4965-hw.h"
40#include "iwl-prph.h"
41#include "iwl-4965-debug.h"
42
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)
55
56/* Module parameters accessible from iwl-*.c */
57extern int iwl_param_hwcrypto;
58extern int iwl_param_queues_num;
59
60enum iwl_antenna {
61 IWL_ANTENNA_DIVERSITY,
62 IWL_ANTENNA_MAIN,
63 IWL_ANTENNA_AUX
64};
65
66/*
67 * RTS threshold here is total size [2347] minus 4 FCS bytes
68 * Per spec:
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
72 * than RTS value.
73 */
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
82
83struct iwl_rx_mem_buffer {
84 dma_addr_t dma_addr;
85 struct sk_buff *skb;
86 struct list_head list;
87};
88
89struct iwl_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 */
97 s8 rt_dbmnoise;
98 u8 rt_antenna; /* antenna number */
99 u8 payload[0]; /* payload... */
100} __attribute__ ((packed));
101
102struct iwl_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));
111
112/*
113 * Generic queue structure
114 *
115 * Contains common data for Rx and Tx queues
116 */
117struct iwl_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 */
123 u32 id;
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));
129
130#define MAX_NUM_OF_TBS (20)
131
132struct iwl_tx_info {
133 struct ieee80211_tx_status status;
134 struct sk_buff *skb[MAX_NUM_OF_TBS];
135};
136
137/**
138 * struct iwl_tx_queue - Tx Queue for DMA
139 * @need_update: need to update read/write index
140 * @shed_retry: queue is HT AGG enabled
141 *
142 * Queue consists of circular buffer of BD's and required locking structures.
143 */
144struct iwl_tx_queue {
145 struct iwl_queue q;
146 struct iwl_tfd_frame *bd;
147 struct iwl_cmd *cmd;
148 dma_addr_t dma_addr_cmd;
149 struct iwl_tx_info *txb;
150 int need_update;
151 int sched_retry;
152 int active;
153};
154
155#define IWL_NUM_SCAN_RATES (2)
156
157struct iwl_channel_tgd_info {
158 u8 type;
159 s8 max_power;
160};
161
162struct iwl_channel_tgh_info {
163 s64 last_radar_time;
164};
165
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. */
173struct iwl_channel_power_info {
174 struct iwl_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 */
178};
179
180/* current scan Tx power values to use, one for each scan rate for each
181 * channel. */
182struct iwl_scan_power_info {
183 struct iwl_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 */
186};
187
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
190 * remains locked. */
191#define TX_UNLOCK_PERIOD 15
192
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
196/*
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
199 * with one another!
200 */
201#define IWL4965_MAX_RATE (33)
202
203struct iwl_channel_info {
204 struct iwl_channel_tgd_info tgd;
205 struct iwl_channel_tgh_info tgh;
206 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
207 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
208 * FAT channel */
209
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 */
216
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} */
220
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 iwl_channel_power_info power_info[IWL4965_MAX_RATE];
225
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;
233
234 /* Radio/DSP gain settings for each scan rate, for directed scans. */
235 struct iwl_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
236};
237
238struct iwl_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];
242};
243
244#include "iwl-4965-rs.h"
245
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
253
254/* Minimum number of queues. MAX_NUM is defined in hw specific files */
255#define IWL_MIN_NUM_QUEUES 4
256
257/* Power management (not Tx power) structures */
258
259struct iwl_power_vec_entry {
260 struct iwl_powertable_cmd cmd;
261 u8 no_dtim;
262};
263#define IWL_POWER_RANGE_0 (0)
264#define IWL_POWER_RANGE_1 (1)
265
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)
275
276struct iwl_power_mgr {
277 spinlock_t lock;
278 struct iwl_power_vec_entry pwr_range_0[IWL_POWER_AC];
279 struct iwl_power_vec_entry pwr_range_1[IWL_POWER_AC];
280 u8 active_index;
281 u32 dtim_val;
282};
283
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)
288
289struct iwl_frame {
290 union {
291 struct ieee80211_hdr frame;
292 struct iwl_tx_beacon_cmd beacon;
293 u8 raw[IEEE80211_FRAME_LEN];
294 u8 cmd[360];
295 } u;
296 struct list_head list;
297};
298
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)
308
309enum {
310 /* CMD_SIZE_NORMAL = 0, */
311 CMD_SIZE_HUGE = (1 << 0),
312 /* CMD_SYNC = 0, */
313 CMD_ASYNC = (1 << 1),
314 /* CMD_NO_SKB = 0, */
315 CMD_WANT_SKB = (1 << 2),
316};
317
318struct iwl_cmd;
319struct iwl_priv;
320
321struct iwl_cmd_meta {
322 struct iwl_cmd_meta *source;
323 union {
324 struct sk_buff *skb;
325 int (*callback)(struct iwl_priv *priv,
326 struct iwl_cmd *cmd, struct sk_buff *skb);
327 } __attribute__ ((packed)) u;
328
329 /* The CMD_SIZE_HUGE flag bit indicates that the command
330 * structure is stored at the end of the shared queue memory. */
331 u32 flags;
332
333} __attribute__ ((packed));
334
335struct iwl_cmd {
336 struct iwl_cmd_meta meta;
337 struct iwl_cmd_header hdr;
338 union {
339 struct iwl_addsta_cmd addsta;
340 struct iwl_led_cmd led;
341 u32 flags;
342 u8 val8;
343 u16 val16;
344 u32 val32;
345 struct iwl_bt_cmd bt;
346 struct iwl_rxon_time_cmd rxon_time;
347 struct iwl_powertable_cmd powertable;
348 struct iwl_qosparam_cmd qosparam;
349 struct iwl_tx_cmd tx;
350 struct iwl_tx_beacon_cmd tx_beacon;
351 struct iwl_rxon_assoc_cmd rxon_assoc;
352 u8 *indirect;
353 u8 payload[360];
354 } __attribute__ ((packed)) cmd;
355} __attribute__ ((packed));
356
357struct iwl_host_cmd {
358 u8 id;
359 u16 len;
360 struct iwl_cmd_meta meta;
361 const void *data;
362};
363
364#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
365 sizeof(struct iwl_cmd_meta))
366
367/*
368 * RX related structures and functions
369 */
370#define RX_FREE_BUFFERS 64
371#define RX_LOW_WATERMARK 8
372
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
376
377/**
378 * struct iwl_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
386 *
387 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
388 */
389struct iwl_rx_queue {
390 __le32 *bd;
391 dma_addr_t dma_addr;
392 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
393 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
394 u32 processed;
395 u32 read;
396 u32 write;
397 u32 free_count;
398 struct list_head rx_free;
399 struct list_head rx_used;
400 int need_update;
401 spinlock_t lock;
402};
403
404#define IWL_SUPPORTED_RATES_IE_LEN 8
405
406#define SCAN_INTERVAL 100
407
408#define MAX_A_CHANNELS 252
409#define MIN_A_CHANNELS 7
410
411#define MAX_B_CHANNELS 14
412#define MIN_B_CHANNELS 1
413
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
431
432#define MAX_TID_COUNT 9
433
434#define IWL_INVALID_RATE 0xFF
435#define IWL_INVALID_VALUE -1
436
437#ifdef CONFIG_IWLWIFI_HT
438#ifdef CONFIG_IWLWIFI_HT_AGG
439struct iwl_ht_agg {
440 u16 txq_id;
441 u16 frame_count;
442 u16 wait_for_ba;
443 u16 start_idx;
444 u32 bitmap0;
445 u32 bitmap1;
446 u32 rate_n_flags;
447};
448#endif /* CONFIG_IWLWIFI_HT_AGG */
449#endif /* CONFIG_IWLWIFI_HT */
450
451struct iwl_tid_data {
452 u16 seq_number;
453#ifdef CONFIG_IWLWIFI_HT
454#ifdef CONFIG_IWLWIFI_HT_AGG
455 struct iwl_ht_agg agg;
456#endif /* CONFIG_IWLWIFI_HT_AGG */
457#endif /* CONFIG_IWLWIFI_HT */
458};
459
460struct iwl_hw_key {
461 enum ieee80211_key_alg alg;
462 int keylen;
463 u8 key[32];
464};
465
466union iwl_ht_rate_supp {
467 u16 rates;
468 struct {
469 u8 siso_rate;
470 u8 mimo_rate;
471 };
472};
473
474#ifdef CONFIG_IWLWIFI_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
479
480struct sta_ht_info {
481 u8 is_ht;
482 u16 rx_mimo_ps_mode;
483 u16 tx_mimo_ps_mode;
484 u16 control_channel;
485 u8 max_amsdu_size;
486 u8 ampdu_factor;
487 u8 mpdu_density;
488 u8 operating_mode;
489 u8 supported_chan_width;
490 u8 extension_chan_offset;
491 u8 is_green_field;
492 u8 sgf;
493 u8 supp_rates[16];
494 u8 tx_chan_width;
495 u8 chan_width_cap;
496};
497#endif /*CONFIG_IWLWIFI_HT */
498
499#ifdef CONFIG_IWLWIFI_QOS
500
501union iwl_qos_capabity {
502 struct {
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 */
508 } q_AP;
509 struct {
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 */
517 } q_STA;
518 u8 val;
519};
520
521/* QoS structures */
522struct iwl_qos_info {
523 int qos_enable;
524 int qos_active;
525 union iwl_qos_capabity qos_cap;
526 struct iwl_qosparam_cmd def_qos_parm;
527};
528#endif /*CONFIG_IWLWIFI_QOS */
529
530#define STA_PS_STATUS_WAKE 0
531#define STA_PS_STATUS_SLEEP 1
532
533struct iwl_station_entry {
534 struct iwl_addsta_cmd sta;
535 struct iwl_tid_data tid[MAX_TID_COUNT];
536 u8 used;
537 u8 ps_status;
538 struct iwl_hw_key keyinfo;
539};
540
541/* one for each uCode image (inst/data, boot/init/runtime) */
542struct fw_desc {
543 void *v_addr; /* access by driver */
544 dma_addr_t p_addr; /* access by card's busmaster DMA */
545 u32 len; /* bytes */
546};
547
548/* uCode file layout */
549struct iwl_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 */
557};
558
559#define IWL_IBSS_MAC_HASH_SIZE 32
560
561struct iwl_ibss_seq {
562 u8 mac[ETH_ALEN];
563 u16 seq_num;
564 u16 frag_num;
565 unsigned long packet_time;
566 struct list_head list;
567};
568
569struct iwl_driver_hw_info {
570 u16 max_txq_num;
571 u16 ac_queue_count;
572 u16 tx_cmd_len;
573 u16 max_rxq_size;
574 u32 rx_buffer_size;
575 u16 max_rxq_log;
576 u8 max_stations;
577 u8 bcast_sta_id;
578 void *shared_virt;
579 dma_addr_t shared_phys;
580};
581
582
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)
593
594
595#define IWL_RX_HDR(x) ((struct iwl_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 iwl_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)
603
604
605/******************************************************************************
606 *
607 * Functions implemented in iwl-base.c which are forward declared here
608 * for use by iwl-*.c
609 *
610 *****************************************************************************/
611struct iwl_addsta_cmd;
612extern int iwl_send_add_station(struct iwl_priv *priv,
613 struct iwl_addsta_cmd *sta, u8 flags);
614extern u8 iwl_add_station(struct iwl_priv *priv, const u8 *bssid,
615 int is_ap, u8 flags);
616extern int iwl_is_network_packet(struct iwl_priv *priv,
617 struct ieee80211_hdr *header);
618extern int iwl_power_init_handle(struct iwl_priv *priv);
619extern int iwl_eeprom_init(struct iwl_priv *priv);
620#ifdef CONFIG_IWLWIFI_DEBUG
621extern void iwl_report_frame(struct iwl_priv *priv,
622 struct iwl_rx_packet *pkt,
623 struct ieee80211_hdr *header, int group100);
624#else
625static inline void iwl_report_frame(struct iwl_priv *priv,
626 struct iwl_rx_packet *pkt,
627 struct ieee80211_hdr *header,
628 int group100) {}
629#endif
630extern void iwl_handle_data_packet_monitor(struct iwl_priv *priv,
631 struct iwl_rx_mem_buffer *rxb,
632 void *data, short len,
633 struct ieee80211_rx_status *stats,
634 u16 phy_flags);
635extern int is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr
636 *header);
637extern int iwl_rx_queue_alloc(struct iwl_priv *priv);
638extern void iwl_rx_queue_reset(struct iwl_priv *priv,
639 struct iwl_rx_queue *rxq);
640extern int iwl_calc_db_from_ratio(int sig_ratio);
641extern int iwl_calc_sig_qual(int rssi_dbm, int noise_dbm);
642extern int iwl_tx_queue_init(struct iwl_priv *priv,
643 struct iwl_tx_queue *txq, int count, u32 id);
644extern void iwl_rx_replenish(void *data);
645extern void iwl_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq);
646extern int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len,
647 const void *data);
648extern int __must_check iwl_send_cmd(struct iwl_priv *priv,
649 struct iwl_host_cmd *cmd);
650extern unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv,
651 struct ieee80211_hdr *hdr,
652 const u8 *dest, int left);
653extern int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
654 struct iwl_rx_queue *q);
655extern int iwl_send_statistics_request(struct iwl_priv *priv);
656extern void iwl_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb,
657 u32 decrypt_res,
658 struct ieee80211_rx_status *stats);
659extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
660
661extern const u8 BROADCAST_ADDR[ETH_ALEN];
662
663/*
664 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
665 * call this... todo... fix that.
666*/
667extern u8 iwl_sync_station(struct iwl_priv *priv, int sta_id,
668 u16 tx_rate, u8 flags);
669
670/******************************************************************************
671 *
672 * Functions implemented in iwl-[34]*.c which are forward declared here
673 * for use by iwl-base.c
674 *
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)
677 *
678 * Naming convention --
679 * iwl_ <-- Its part of iwlwifi (should be changed to iwl_)
680 * iwl_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
681 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
682 * iwl_bg_ <-- Called from work queue context
683 * iwl_mac_ <-- mac80211 callback
684 *
685 ****************************************************************************/
686extern void iwl_hw_rx_handler_setup(struct iwl_priv *priv);
687extern void iwl_hw_setup_deferred_work(struct iwl_priv *priv);
688extern void iwl_hw_cancel_deferred_work(struct iwl_priv *priv);
689extern int iwl_hw_rxq_stop(struct iwl_priv *priv);
690extern int iwl_hw_set_hw_setting(struct iwl_priv *priv);
691extern int iwl_hw_nic_init(struct iwl_priv *priv);
692extern int iwl_hw_nic_stop_master(struct iwl_priv *priv);
693extern void iwl_hw_txq_ctx_free(struct iwl_priv *priv);
694extern void iwl_hw_txq_ctx_stop(struct iwl_priv *priv);
695extern int iwl_hw_nic_reset(struct iwl_priv *priv);
696extern int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
697 dma_addr_t addr, u16 len);
698extern int iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
699extern int iwl_hw_get_temperature(struct iwl_priv *priv);
700extern int iwl_hw_tx_queue_init(struct iwl_priv *priv,
701 struct iwl_tx_queue *txq);
702extern unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
703 struct iwl_frame *frame, u8 rate);
704extern int iwl_hw_get_rx_read(struct iwl_priv *priv);
705extern void iwl_hw_build_tx_cmd_rate(struct iwl_priv *priv,
706 struct iwl_cmd *cmd,
707 struct ieee80211_tx_control *ctrl,
708 struct ieee80211_hdr *hdr,
709 int sta_id, int tx_id);
710extern int iwl_hw_reg_send_txpower(struct iwl_priv *priv);
711extern int iwl_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
712extern void iwl_hw_rx_statistics(struct iwl_priv *priv,
713 struct iwl_rx_mem_buffer *rxb);
714extern void iwl_disable_events(struct iwl_priv *priv);
715extern int iwl4965_get_temperature(const struct iwl_priv *priv);
716
717/**
718 * iwl_hw_find_station - Find station id for a given BSSID
719 * @bssid: MAC address of station ID to find
720 *
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
723 * station tables.
724 */
725extern u8 iwl_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
726
727extern int iwl_hw_channel_switch(struct iwl_priv *priv, u16 channel);
728extern int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
729
29struct iwl_priv; 730struct iwl_priv;
30struct sta_ht_info; 731struct sta_ht_info;
31 732
@@ -338,4 +1039,322 @@ struct iwl_chain_noise_data {
338#define EEPROM_SEM_TIMEOUT 10 1039#define EEPROM_SEM_TIMEOUT 10
339#define EEPROM_SEM_RETRY_LIMIT 1000 1040#define EEPROM_SEM_RETRY_LIMIT 1000
340 1041
1042
1043#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT
1044
1045enum {
1046 MEASUREMENT_READY = (1 << 0),
1047 MEASUREMENT_ACTIVE = (1 << 1),
1048};
1049
1050#endif
1051
1052struct iwl_priv {
1053
1054 /* ieee device used by generic ieee processing code */
1055 struct ieee80211_hw *hw;
1056 struct ieee80211_channel *ieee_channels;
1057 struct ieee80211_rate *ieee_rates;
1058
1059 /* temporary frame storage list */
1060 struct list_head free_frames;
1061 int frames_count;
1062
1063 u8 phymode;
1064 int alloc_rxb_skb;
1065
1066 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
1067 struct iwl_rx_mem_buffer *rxb);
1068
1069 const struct ieee80211_hw_mode *modes;
1070
1071#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT
1072 /* spectrum measurement report caching */
1073 struct iwl_spectrum_notification measure_report;
1074 u8 measurement_status;
1075#endif
1076 /* ucode beacon time */
1077 u32 ucode_beacon_time;
1078
1079 /* we allocate array of iwl_channel_info for NIC's valid channels.
1080 * Access via channel # using indirect index array */
1081 struct iwl_channel_info *channel_info; /* channel info array */
1082 u8 channel_count; /* # of channels */
1083
1084 /* each calibration channel group in the EEPROM has a derived
1085 * clip setting for each rate. */
1086 const struct iwl_clip_group clip_groups[5];
1087
1088 /* thermal calibration */
1089 s32 temperature; /* degrees Kelvin */
1090 s32 last_temperature;
1091
1092 /* Scan related variables */
1093 unsigned long last_scan_jiffies;
1094 unsigned long scan_start;
1095 unsigned long scan_pass_start;
1096 unsigned long scan_start_tsf;
1097 int scan_bands;
1098 int one_direct_scan;
1099 u8 direct_ssid_len;
1100 u8 direct_ssid[IW_ESSID_MAX_SIZE];
1101 struct iwl_scan_cmd *scan;
1102 u8 only_active_channel;
1103
1104 /* spinlock */
1105 spinlock_t lock; /* protect general shared data */
1106 spinlock_t hcmd_lock; /* protect hcmd */
1107 struct mutex mutex;
1108
1109 /* basic pci-network driver stuff */
1110 struct pci_dev *pci_dev;
1111
1112 /* pci hardware address support */
1113 void __iomem *hw_base;
1114
1115 /* uCode images, save to reload in case of failure */
1116 struct fw_desc ucode_code; /* runtime inst */
1117 struct fw_desc ucode_data; /* runtime data original */
1118 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1119 struct fw_desc ucode_init; /* initialization inst */
1120 struct fw_desc ucode_init_data; /* initialization data */
1121 struct fw_desc ucode_boot; /* bootstrap inst */
1122
1123
1124 struct iwl_rxon_time_cmd rxon_timing;
1125
1126 /* We declare this const so it can only be
1127 * changed via explicit cast within the
1128 * routines that actually update the physical
1129 * hardware */
1130 const struct iwl_rxon_cmd active_rxon;
1131 struct iwl_rxon_cmd staging_rxon;
1132
1133 int error_recovering;
1134 struct iwl_rxon_cmd recovery_rxon;
1135
1136 /* 1st responses from initialize and runtime uCode images.
1137 * 4965's initialize alive response contains some calibration data. */
1138 struct iwl_init_alive_resp card_alive_init;
1139 struct iwl_alive_resp card_alive;
1140
1141#ifdef LED
1142 /* LED related variables */
1143 struct iwl_activity_blink activity;
1144 unsigned long led_packets;
1145 int led_state;
1146#endif
1147
1148 u16 active_rate;
1149 u16 active_rate_basic;
1150
1151 u8 call_post_assoc_from_beacon;
1152 u8 assoc_station_added;
1153 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
1154 /* HT variables */
1155 u8 is_dup;
1156 u8 is_ht_enabled;
1157 u8 channel_width; /* 0=20MHZ, 1=40MHZ */
1158 u8 current_channel_width;
1159 u8 valid_antenna; /* Bit mask of antennas actually connected */
1160#ifdef CONFIG_IWLWIFI_SENSITIVITY
1161 struct iwl_sensitivity_data sensitivity_data;
1162 struct iwl_chain_noise_data chain_noise_data;
1163 u8 start_calib;
1164 __le16 sensitivity_tbl[HD_TABLE_SIZE];
1165#endif /*CONFIG_IWLWIFI_SENSITIVITY*/
1166
1167#ifdef CONFIG_IWLWIFI_HT
1168 struct sta_ht_info current_assoc_ht;
1169#endif
1170 u8 active_rate_ht[2];
1171 u8 last_phy_res[100];
1172
1173 /* Rate scaling data */
1174 struct iwl_lq_mngr lq_mngr;
1175
1176 /* Rate scaling data */
1177 s8 data_retry_limit;
1178 u8 retry_rate;
1179
1180 wait_queue_head_t wait_command_queue;
1181
1182 int activity_timer_active;
1183
1184 /* Rx and Tx DMA processing queues */
1185 struct iwl_rx_queue rxq;
1186 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
1187 unsigned long txq_ctx_active_msk;
1188 struct iwl_kw kw; /* keep warm address */
1189 u32 scd_base_addr; /* scheduler sram base address */
1190
1191 unsigned long status;
1192 u32 config;
1193
1194 int last_rx_rssi; /* From Rx packet statisitics */
1195 int last_rx_noise; /* From beacon statistics */
1196
1197 struct iwl_power_mgr power_data;
1198
1199 struct iwl_notif_statistics statistics;
1200 unsigned long last_statistics_time;
1201
1202 /* context information */
1203 u8 essid[IW_ESSID_MAX_SIZE];
1204 u8 essid_len;
1205 u16 rates_mask;
1206
1207 u32 power_mode;
1208 u32 antenna;
1209 u8 bssid[ETH_ALEN];
1210 u16 rts_threshold;
1211 u8 mac_addr[ETH_ALEN];
1212
1213 /*station table variables */
1214 spinlock_t sta_lock;
1215 int num_stations;
1216 struct iwl_station_entry stations[IWL_STATION_COUNT];
1217
1218 /* Indication if ieee80211_ops->open has been called */
1219 int is_open;
1220
1221 u8 mac80211_registered;
1222 int is_abg;
1223
1224 u32 notif_missed_beacons;
1225
1226 /* Rx'd packet timing information */
1227 u32 last_beacon_time;
1228 u64 last_tsf;
1229
1230 /* Duplicate packet detection */
1231 u16 last_seq_num;
1232 u16 last_frag_num;
1233 unsigned long last_packet_time;
1234 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1235
1236 /* eeprom */
1237 struct iwl_eeprom eeprom;
1238
1239 int iw_mode;
1240
1241 struct sk_buff *ibss_beacon;
1242
1243 /* Last Rx'd beacon timestamp */
1244 u32 timestamp0;
1245 u32 timestamp1;
1246 u16 beacon_int;
1247 struct iwl_driver_hw_info hw_setting;
1248 int interface_id;
1249
1250 /* Current association information needed to configure the
1251 * hardware */
1252 u16 assoc_id;
1253 u16 assoc_capability;
1254 u8 ps_mode;
1255
1256#ifdef CONFIG_IWLWIFI_QOS
1257 struct iwl_qos_info qos_data;
1258#endif /*CONFIG_IWLWIFI_QOS */
1259
1260 struct workqueue_struct *workqueue;
1261
1262 struct work_struct up;
1263 struct work_struct restart;
1264 struct work_struct calibrated_work;
1265 struct work_struct scan_completed;
1266 struct work_struct rx_replenish;
1267 struct work_struct rf_kill;
1268 struct work_struct abort_scan;
1269 struct work_struct update_link_led;
1270 struct work_struct auth_work;
1271 struct work_struct report_work;
1272 struct work_struct request_scan;
1273 struct work_struct beacon_update;
1274
1275 struct tasklet_struct irq_tasklet;
1276
1277 struct delayed_work init_alive_start;
1278 struct delayed_work alive_start;
1279 struct delayed_work activity_timer;
1280 struct delayed_work thermal_periodic;
1281 struct delayed_work gather_stats;
1282 struct delayed_work scan_check;
1283 struct delayed_work post_associate;
1284
1285#define IWL_DEFAULT_TX_POWER 0x0F
1286 s8 user_txpower_limit;
1287 s8 max_channel_txpower_limit;
1288
1289#ifdef CONFIG_PM
1290 u32 pm_state[16];
1291#endif
1292
1293#ifdef CONFIG_IWLWIFI_DEBUG
1294 /* debugging info */
1295 u32 framecnt_to_us;
1296 atomic_t restrict_refcnt;
1297#endif
1298
1299 struct work_struct txpower_work;
1300#ifdef CONFIG_IWLWIFI_SENSITIVITY
1301 struct work_struct sensitivity_work;
1302#endif
1303 struct work_struct statistics_work;
1304 struct timer_list statistics_periodic;
1305
1306#ifdef CONFIG_IWLWIFI_HT_AGG
1307 struct work_struct agg_work;
1308#endif
1309}; /*iwl_priv */
1310
1311static inline int iwl_is_associated(struct iwl_priv *priv)
1312{
1313 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1314}
1315
1316static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1317{
1318 if (ch_info == NULL)
1319 return 0;
1320 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1321}
1322
1323static inline int is_channel_narrow(const struct iwl_channel_info *ch_info)
1324{
1325 return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
1326}
1327
1328static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1329{
1330 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1331}
1332
1333static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1334{
1335 return ch_info->phymode == MODE_IEEE80211A;
1336}
1337
1338static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1339{
1340 return ((ch_info->phymode == MODE_IEEE80211B) ||
1341 (ch_info->phymode == MODE_IEEE80211G));
1342}
1343
1344static inline int is_channel_passive(const struct iwl_channel_info *ch)
1345{
1346 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1347}
1348
1349static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1350{
1351 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1352}
1353
1354extern const struct iwl_channel_info *iwl_get_channel_info(
1355 const struct iwl_priv *priv, int phymode, u16 channel);
1356
1357/* Requires full declaration of iwl_priv before including */
1358#include "iwl-4965-io.h"
1359
341#endif /* __iwl_4965_h__ */ 1360#endif /* __iwl_4965_h__ */
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-02 14:17:28 -0500