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Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[deliverable/linux.git] / drivers / net / wireless / iwlegacy / iwl-dev.h
CommitLineData
be663ab6
WYG		 1/******************************************************************************
2 *
3 * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
26/*
27 * Please use this file (iwl-dev.h) for driver implementation definitions.
28 * Please use iwl-commands.h for uCode API definitions.
29 * Please use iwl-4965-hw.h for hardware-related definitions.
30 */
31
32#ifndef __iwl_legacy_dev_h__
33#define __iwl_legacy_dev_h__
34
35#include <linux/pci.h> /* for struct pci_device_id */
36#include <linux/kernel.h>
37#include <linux/leds.h>
38#include <linux/wait.h>
39#include <net/ieee80211_radiotap.h>
40
41#include "iwl-eeprom.h"
42#include "iwl-csr.h"
43#include "iwl-prph.h"
44#include "iwl-fh.h"
45#include "iwl-debug.h"
46#include "iwl-4965-hw.h"
47#include "iwl-3945-hw.h"
48#include "iwl-led.h"
49#include "iwl-power.h"
50#include "iwl-legacy-rs.h"
51
52struct iwl_tx_queue;
53
54/* CT-KILL constants */
55#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
56
57/* Default noise level to report when noise measurement is not available.
58 * This may be because we're:
59 * 1) Not associated (4965, no beacon statistics being sent to driver)
60 * 2) Scanning (noise measurement does not apply to associated channel)
61 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
62 * Use default noise value of -127 ... this is below the range of measurable
63 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
64 * Also, -127 works better than 0 when averaging frames with/without
65 * noise info (e.g. averaging might be done in app); measured dBm values are
66 * always negative ... using a negative value as the default keeps all
67 * averages within an s8's (used in some apps) range of negative values. */
68#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
69
70/*
71 * RTS threshold here is total size [2347] minus 4 FCS bytes
72 * Per spec:
73 * a value of 0 means RTS on all data/management packets
74 * a value > max MSDU size means no RTS
75 * else RTS for data/management frames where MPDU is larger
76 * than RTS value.
77 */
78#define DEFAULT_RTS_THRESHOLD 2347U
79#define MIN_RTS_THRESHOLD 0U
80#define MAX_RTS_THRESHOLD 2347U
81#define MAX_MSDU_SIZE 2304U
82#define MAX_MPDU_SIZE 2346U
83#define DEFAULT_BEACON_INTERVAL 100U
84#define DEFAULT_SHORT_RETRY_LIMIT 7U
85#define DEFAULT_LONG_RETRY_LIMIT 4U
86
87struct iwl_rx_mem_buffer {
88 dma_addr_t page_dma;
89 struct page *page;
90 struct list_head list;
91};
92
93#define rxb_addr(r) page_address(r->page)
94
95/* defined below */
96struct iwl_device_cmd;
97
98struct iwl_cmd_meta {
99 /* only for SYNC commands, iff the reply skb is wanted */
100 struct iwl_host_cmd *source;
101 /*
102 * only for ASYNC commands
103 * (which is somewhat stupid -- look at iwl-sta.c for instance
104 * which duplicates a bunch of code because the callback isn't
105 * invoked for SYNC commands, if it were and its result passed
106 * through it would be simpler...)
107 */
108 void (*callback)(struct iwl_priv *priv,
109 struct iwl_device_cmd *cmd,
110 struct iwl_rx_packet *pkt);
111
112 /* The CMD_SIZE_HUGE flag bit indicates that the command
113 * structure is stored at the end of the shared queue memory. */
114 u32 flags;
115
116 DEFINE_DMA_UNMAP_ADDR(mapping);
117 DEFINE_DMA_UNMAP_LEN(len);
118};
119
120/*
121 * Generic queue structure
122 *
123 * Contains common data for Rx and Tx queues
124 */
125struct iwl_queue {
126 int n_bd; /* number of BDs in this queue */
127 int write_ptr; /* 1-st empty entry (index) host_w*/
128 int read_ptr; /* last used entry (index) host_r*/
129 /* use for monitoring and recovering the stuck queue */
130 dma_addr_t dma_addr; /* physical addr for BD's */
131 int n_window; /* safe queue window */
132 u32 id;
133 int low_mark; /* low watermark, resume queue if free
134 * space more than this */
135 int high_mark; /* high watermark, stop queue if free
136 * space less than this */
137} __packed;
138
139/* One for each TFD */
140struct iwl_tx_info {
141 struct sk_buff *skb;
142 struct iwl_rxon_context *ctx;
143};
144
145/**
146 * struct iwl_tx_queue - Tx Queue for DMA
147 * @q: generic Rx/Tx queue descriptor
148 * @bd: base of circular buffer of TFDs
149 * @cmd: array of command/TX buffer pointers
150 * @meta: array of meta data for each command/tx buffer
151 * @dma_addr_cmd: physical address of cmd/tx buffer array
152 * @txb: array of per-TFD driver data
153 * @time_stamp: time (in jiffies) of last read_ptr change
154 * @need_update: indicates need to update read/write index
155 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
156 *
157 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
158 * descriptors) and required locking structures.
159 */
160#define TFD_TX_CMD_SLOTS 256
161#define TFD_CMD_SLOTS 32
162
163struct iwl_tx_queue {
164 struct iwl_queue q;
165 void *tfds;
166 struct iwl_device_cmd **cmd;
167 struct iwl_cmd_meta *meta;
168 struct iwl_tx_info *txb;
169 unsigned long time_stamp;
170 u8 need_update;
171 u8 sched_retry;
172 u8 active;
173 u8 swq_id;
174};
175
176#define IWL_NUM_SCAN_RATES (2)
177
178struct iwl4965_channel_tgd_info {
179 u8 type;
180 s8 max_power;
181};
182
183struct iwl4965_channel_tgh_info {
184 s64 last_radar_time;
185};
186
187#define IWL4965_MAX_RATE (33)
188
189struct iwl3945_clip_group {
190 /* maximum power level to prevent clipping for each rate, derived by
191 * us from this band's saturation power in EEPROM */
192 const s8 clip_powers[IWL_MAX_RATES];
193};
194
195/* current Tx power values to use, one for each rate for each channel.
196 * requested power is limited by:
197 * -- regulatory EEPROM limits for this channel
198 * -- hardware capabilities (clip-powers)
199 * -- spectrum management
200 * -- user preference (e.g. iwconfig)
201 * when requested power is set, base power index must also be set. */
202struct iwl3945_channel_power_info {
203 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
204 s8 power_table_index; /* actual (compenst'd) index into gain table */
205 s8 base_power_index; /* gain index for power at factory temp. */
206 s8 requested_power; /* power (dBm) requested for this chnl/rate */
207};
208
209/* current scan Tx power values to use, one for each scan rate for each
210 * channel. */
211struct iwl3945_scan_power_info {
212 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
213 s8 power_table_index; /* actual (compenst'd) index into gain table */
214 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
215};
216
217/*
218 * One for each channel, holds all channel setup data
219 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
220 * with one another!
221 */
222struct iwl_channel_info {
223 struct iwl4965_channel_tgd_info tgd;
224 struct iwl4965_channel_tgh_info tgh;
225 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
226 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for
227 * HT40 channel */
228
229 u8 channel; /* channel number */
230 u8 flags; /* flags copied from EEPROM */
231 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
232 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
233 s8 min_power; /* always 0 */
234 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
235
236 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
237 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
238 enum ieee80211_band band;
239
240 /* HT40 channel info */
241 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
242 u8 ht40_flags; /* flags copied from EEPROM */
243 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
244
245 /* Radio/DSP gain settings for each "normal" data Tx rate.
246 * These include, in addition to RF and DSP gain, a few fields for
247 * remembering/modifying gain settings (indexes). */
248 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
249
250 /* Radio/DSP gain settings for each scan rate, for directed scans. */
251 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
252};
253
254#define IWL_TX_FIFO_BK 0 /* shared */
255#define IWL_TX_FIFO_BE 1
256#define IWL_TX_FIFO_VI 2 /* shared */
257#define IWL_TX_FIFO_VO 3
258#define IWL_TX_FIFO_UNUSED -1
259
260/* Minimum number of queues. MAX_NUM is defined in hw specific files.
261 * Set the minimum to accommodate the 4 standard TX queues, 1 command
262 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
263#define IWL_MIN_NUM_QUEUES 10
264
265#define IWL_DEFAULT_CMD_QUEUE_NUM 4
266
267#define IEEE80211_DATA_LEN 2304
268#define IEEE80211_4ADDR_LEN 30
269#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
270#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
271
272struct iwl_frame {
273 union {
274 struct ieee80211_hdr frame;
275 struct iwl_tx_beacon_cmd beacon;
276 u8 raw[IEEE80211_FRAME_LEN];
277 u8 cmd[360];
278 } u;
279 struct list_head list;
280};
281
282#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
283#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
284#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
285
286enum {
287 CMD_SYNC = 0,
288 CMD_SIZE_NORMAL = 0,
289 CMD_NO_SKB = 0,
290 CMD_SIZE_HUGE = (1 << 0),
291 CMD_ASYNC = (1 << 1),
292 CMD_WANT_SKB = (1 << 2),
293};
294
295#define DEF_CMD_PAYLOAD_SIZE 320
296
297/**
298 * struct iwl_device_cmd
299 *
300 * For allocation of the command and tx queues, this establishes the overall
301 * size of the largest command we send to uCode, except for a scan command
302 * (which is relatively huge; space is allocated separately).
303 */
304struct iwl_device_cmd {
305 struct iwl_cmd_header hdr; /* uCode API */
306 union {
307 u32 flags;
308 u8 val8;
309 u16 val16;
310 u32 val32;
311 struct iwl_tx_cmd tx;
312 u8 payload[DEF_CMD_PAYLOAD_SIZE];
313 } __packed cmd;
314} __packed;
315
316#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
317
318
319struct iwl_host_cmd {
320 const void *data;
321 unsigned long reply_page;
322 void (*callback)(struct iwl_priv *priv,
323 struct iwl_device_cmd *cmd,
324 struct iwl_rx_packet *pkt);
325 u32 flags;
326 u16 len;
327 u8 id;
328};
329
330#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
331#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
332#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
333
334/**
335 * struct iwl_rx_queue - Rx queue
336 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
337 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
338 * @read: Shared index to newest available Rx buffer
339 * @write: Shared index to oldest written Rx packet
340 * @free_count: Number of pre-allocated buffers in rx_free
341 * @rx_free: list of free SKBs for use
342 * @rx_used: List of Rx buffers with no SKB
343 * @need_update: flag to indicate we need to update read/write index
344 * @rb_stts: driver's pointer to receive buffer status
345 * @rb_stts_dma: bus address of receive buffer status
346 *
347 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
348 */
349struct iwl_rx_queue {
350 __le32 *bd;
351 dma_addr_t bd_dma;
352 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
353 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
354 u32 read;
355 u32 write;
356 u32 free_count;
357 u32 write_actual;
358 struct list_head rx_free;
359 struct list_head rx_used;
360 int need_update;
361 struct iwl_rb_status *rb_stts;
362 dma_addr_t rb_stts_dma;
363 spinlock_t lock;
364};
365
366#define IWL_SUPPORTED_RATES_IE_LEN 8
367
368#define MAX_TID_COUNT 9
369
370#define IWL_INVALID_RATE 0xFF
371#define IWL_INVALID_VALUE -1
372
373/**
374 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
375 * @txq_id: Tx queue used for Tx attempt
376 * @frame_count: # frames attempted by Tx command
377 * @wait_for_ba: Expect block-ack before next Tx reply
378 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
379 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
380 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
381 * @rate_n_flags: Rate at which Tx was attempted
382 *
383 * If REPLY_TX indicates that aggregation was attempted, driver must wait
384 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
385 * until block ack arrives.
386 */
387struct iwl_ht_agg {
388 u16 txq_id;
389 u16 frame_count;
390 u16 wait_for_ba;
391 u16 start_idx;
392 u64 bitmap;
393 u32 rate_n_flags;
394#define IWL_AGG_OFF 0
395#define IWL_AGG_ON 1
396#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
397#define IWL_EMPTYING_HW_QUEUE_DELBA 3
398 u8 state;
399};
400
401
402struct iwl_tid_data {
403 u16 seq_number; /* 4965 only */
404 u16 tfds_in_queue;
405 struct iwl_ht_agg agg;
406};
407
408struct iwl_hw_key {
409 u32 cipher;
410 int keylen;
411 u8 keyidx;
412 u8 key[32];
413};
414
415union iwl_ht_rate_supp {
416 u16 rates;
417 struct {
418 u8 siso_rate;
419 u8 mimo_rate;
420 };
421};
422
423#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
424#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
425#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
426#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
427#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
428#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
429#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
430
431/*
432 * Maximal MPDU density for TX aggregation
433 * 4 - 2us density
434 * 5 - 4us density
435 * 6 - 8us density
436 * 7 - 16us density
437 */
438#define CFG_HT_MPDU_DENSITY_2USEC (0x4)
439#define CFG_HT_MPDU_DENSITY_4USEC (0x5)
440#define CFG_HT_MPDU_DENSITY_8USEC (0x6)
441#define CFG_HT_MPDU_DENSITY_16USEC (0x7)
442#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
443#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
444#define CFG_HT_MPDU_DENSITY_MIN (0x1)
445
446struct iwl_ht_config {
447 bool single_chain_sufficient;
448 enum ieee80211_smps_mode smps; /* current smps mode */
449};
450
451/* QoS structures */
452struct iwl_qos_info {
453 int qos_active;
454 struct iwl_qosparam_cmd def_qos_parm;
455};
456
457/*
458 * Structure should be accessed with sta_lock held. When station addition
459 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
460 * the commands (iwl_legacy_addsta_cmd and iwl_link_quality_cmd) without
461 * sta_lock held.
462 */
463struct iwl_station_entry {
464 struct iwl_legacy_addsta_cmd sta;
465 struct iwl_tid_data tid[MAX_TID_COUNT];
466 u8 used, ctxid;
467 struct iwl_hw_key keyinfo;
468 struct iwl_link_quality_cmd *lq;
469};
470
471struct iwl_station_priv_common {
472 struct iwl_rxon_context *ctx;
473 u8 sta_id;
474};
475
476/*
477 * iwl_station_priv: Driver's private station information
478 *
479 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
480 * in the structure for use by driver. This structure is places in that
481 * space.
482 *
483 * The common struct MUST be first because it is shared between
484 * 3945 and 4965!
485 */
486struct iwl_station_priv {
487 struct iwl_station_priv_common common;
488 struct iwl_lq_sta lq_sta;
489 atomic_t pending_frames;
490 bool client;
491 bool asleep;
492};
493
494/**
495 * struct iwl_vif_priv - driver's private per-interface information
496 *
497 * When mac80211 allocates a virtual interface, it can allocate
498 * space for us to put data into.
499 */
500struct iwl_vif_priv {
501 struct iwl_rxon_context *ctx;
502 u8 ibss_bssid_sta_id;
503};
504
505/* one for each uCode image (inst/data, boot/init/runtime) */
506struct fw_desc {
507 void *v_addr; /* access by driver */
508 dma_addr_t p_addr; /* access by card's busmaster DMA */
509 u32 len; /* bytes */
510};
511
512/* uCode file layout */
513struct iwl_ucode_header {
514 __le32 ver; /* major/minor/API/serial */
515 struct {
516 __le32 inst_size; /* bytes of runtime code */
517 __le32 data_size; /* bytes of runtime data */
518 __le32 init_size; /* bytes of init code */
519 __le32 init_data_size; /* bytes of init data */
520 __le32 boot_size; /* bytes of bootstrap code */
521 u8 data[0]; /* in same order as sizes */
522 } v1;
523};
524
525struct iwl4965_ibss_seq {
526 u8 mac[ETH_ALEN];
527 u16 seq_num;
528 u16 frag_num;
529 unsigned long packet_time;
530 struct list_head list;
531};
532
533struct iwl_sensitivity_ranges {
534 u16 min_nrg_cck;
535 u16 max_nrg_cck;
536
537 u16 nrg_th_cck;
538 u16 nrg_th_ofdm;
539
540 u16 auto_corr_min_ofdm;
541 u16 auto_corr_min_ofdm_mrc;
542 u16 auto_corr_min_ofdm_x1;
543 u16 auto_corr_min_ofdm_mrc_x1;
544
545 u16 auto_corr_max_ofdm;
546 u16 auto_corr_max_ofdm_mrc;
547 u16 auto_corr_max_ofdm_x1;
548 u16 auto_corr_max_ofdm_mrc_x1;
549
550 u16 auto_corr_max_cck;
551 u16 auto_corr_max_cck_mrc;
552 u16 auto_corr_min_cck;
553 u16 auto_corr_min_cck_mrc;
554
555 u16 barker_corr_th_min;
556 u16 barker_corr_th_min_mrc;
557 u16 nrg_th_cca;
558};
559
560
561#define KELVIN_TO_CELSIUS(x) ((x)-273)
562#define CELSIUS_TO_KELVIN(x) ((x)+273)
563
564
565/**
566 * struct iwl_hw_params
567 * @max_txq_num: Max # Tx queues supported
568 * @dma_chnl_num: Number of Tx DMA/FIFO channels
569 * @scd_bc_tbls_size: size of scheduler byte count tables
570 * @tfd_size: TFD size
571 * @tx/rx_chains_num: Number of TX/RX chains
572 * @valid_tx/rx_ant: usable antennas
573 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
574 * @max_rxq_log: Log-base-2 of max_rxq_size
575 * @rx_page_order: Rx buffer page order
576 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
577 * @max_stations:
578 * @ht40_channel: is 40MHz width possible in band 2.4
579 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
580 * @sw_crypto: 0 for hw, 1 for sw
581 * @max_xxx_size: for ucode uses
582 * @ct_kill_threshold: temperature threshold
583 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time
584 * @struct iwl_sensitivity_ranges: range of sensitivity values
585 */
586struct iwl_hw_params {
587 u8 max_txq_num;
588 u8 dma_chnl_num;
589 u16 scd_bc_tbls_size;
590 u32 tfd_size;
591 u8 tx_chains_num;
592 u8 rx_chains_num;
593 u8 valid_tx_ant;
594 u8 valid_rx_ant;
595 u16 max_rxq_size;
596 u16 max_rxq_log;
597 u32 rx_page_order;
598 u32 rx_wrt_ptr_reg;
599 u8 max_stations;
600 u8 ht40_channel;
601 u8 max_beacon_itrvl; /* in 1024 ms */
602 u32 max_inst_size;
603 u32 max_data_size;
604 u32 max_bsm_size;
605 u32 ct_kill_threshold; /* value in hw-dependent units */
606 u16 beacon_time_tsf_bits;
607 const struct iwl_sensitivity_ranges *sens;
608};
609
610
611/******************************************************************************
612 *
613 * Functions implemented in core module which are forward declared here
614 * for use by iwl-[4-5].c
615 *
616 * NOTE: The implementation of these functions are not hardware specific
617 * which is why they are in the core module files.
618 *
619 * Naming convention --
620 * iwl_ <-- Is part of iwlwifi
621 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
622 * iwl4965_bg_ <-- Called from work queue context
623 * iwl4965_mac_ <-- mac80211 callback
624 *
625 ****************************************************************************/
626extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
ef33417d 627extern const u8 iwlegacy_bcast_addr[ETH_ALEN];
be663ab6
WYG		 628extern int iwl_legacy_queue_space(const struct iwl_queue *q);
629static inline int iwl_legacy_queue_used(const struct iwl_queue *q, int i)
630{
631 return q->write_ptr >= q->read_ptr ?
632 (i >= q->read_ptr && i < q->write_ptr) :
633 !(i < q->read_ptr && i >= q->write_ptr);
634}
635
636
637static inline u8 iwl_legacy_get_cmd_index(struct iwl_queue *q, u32 index,
638 int is_huge)
639{
640 /*
641 * This is for init calibration result and scan command which
642 * required buffer > TFD_MAX_PAYLOAD_SIZE,
643 * the big buffer at end of command array
644 */
645 if (is_huge)
646 return q->n_window; /* must be power of 2 */
647
648 /* Otherwise, use normal size buffers */
649 return index & (q->n_window - 1);
650}
651
652
653struct iwl_dma_ptr {
654 dma_addr_t dma;
655 void *addr;
656 size_t size;
657};
658
659#define IWL_OPERATION_MODE_AUTO 0
660#define IWL_OPERATION_MODE_HT_ONLY 1
661#define IWL_OPERATION_MODE_MIXED 2
662#define IWL_OPERATION_MODE_20MHZ 3
663
664#define IWL_TX_CRC_SIZE 4
665#define IWL_TX_DELIMITER_SIZE 4
666
667#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
668
669/* Sensitivity and chain noise calibration */
670#define INITIALIZATION_VALUE 0xFFFF
671#define IWL4965_CAL_NUM_BEACONS 20
672#define IWL_CAL_NUM_BEACONS 16
673#define MAXIMUM_ALLOWED_PATHLOSS 15
674
675#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
676
677#define MAX_FA_OFDM 50
678#define MIN_FA_OFDM 5
679#define MAX_FA_CCK 50
680#define MIN_FA_CCK 5
681
682#define AUTO_CORR_STEP_OFDM 1
683
684#define AUTO_CORR_STEP_CCK 3
685#define AUTO_CORR_MAX_TH_CCK 160
686
687#define NRG_DIFF 2
688#define NRG_STEP_CCK 2
689#define NRG_MARGIN 8
690#define MAX_NUMBER_CCK_NO_FA 100
691
692#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
693
694#define CHAIN_A 0
695#define CHAIN_B 1
696#define CHAIN_C 2
697#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
698#define ALL_BAND_FILTER 0xFF00
699#define IN_BAND_FILTER 0xFF
700#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
701
702#define NRG_NUM_PREV_STAT_L 20
703#define NUM_RX_CHAINS 3
704
705enum iwl4965_false_alarm_state {
706 IWL_FA_TOO_MANY = 0,
707 IWL_FA_TOO_FEW = 1,
708 IWL_FA_GOOD_RANGE = 2,
709};
710
711enum iwl4965_chain_noise_state {
712 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
713 IWL_CHAIN_NOISE_ACCUMULATE,
714 IWL_CHAIN_NOISE_CALIBRATED,
715 IWL_CHAIN_NOISE_DONE,
716};
717
718enum iwl4965_calib_enabled_state {
719 IWL_CALIB_DISABLED = 0, /* must be 0 */
720 IWL_CALIB_ENABLED = 1,
721};
722
723/*
724 * enum iwl_calib
725 * defines the order in which results of initial calibrations
726 * should be sent to the runtime uCode
727 */
728enum iwl_calib {
729 IWL_CALIB_MAX,
730};
731
732/* Opaque calibration results */
733struct iwl_calib_result {
734 void *buf;
735 size_t buf_len;
736};
737
738enum ucode_type {
739 UCODE_NONE = 0,
740 UCODE_INIT,
741 UCODE_RT
742};
743
744/* Sensitivity calib data */
745struct iwl_sensitivity_data {
746 u32 auto_corr_ofdm;
747 u32 auto_corr_ofdm_mrc;
748 u32 auto_corr_ofdm_x1;
749 u32 auto_corr_ofdm_mrc_x1;
750 u32 auto_corr_cck;
751 u32 auto_corr_cck_mrc;
752
753 u32 last_bad_plcp_cnt_ofdm;
754 u32 last_fa_cnt_ofdm;
755 u32 last_bad_plcp_cnt_cck;
756 u32 last_fa_cnt_cck;
757
758 u32 nrg_curr_state;
759 u32 nrg_prev_state;
760 u32 nrg_value[10];
761 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
762 u32 nrg_silence_ref;
763 u32 nrg_energy_idx;
764 u32 nrg_silence_idx;
765 u32 nrg_th_cck;
766 s32 nrg_auto_corr_silence_diff;
767 u32 num_in_cck_no_fa;
768 u32 nrg_th_ofdm;
769
770 u16 barker_corr_th_min;
771 u16 barker_corr_th_min_mrc;
772 u16 nrg_th_cca;
773};
774
775/* Chain noise (differential Rx gain) calib data */
776struct iwl_chain_noise_data {
777 u32 active_chains;
778 u32 chain_noise_a;
779 u32 chain_noise_b;
780 u32 chain_noise_c;
781 u32 chain_signal_a;
782 u32 chain_signal_b;
783 u32 chain_signal_c;
784 u16 beacon_count;
785 u8 disconn_array[NUM_RX_CHAINS];
786 u8 delta_gain_code[NUM_RX_CHAINS];
787 u8 radio_write;
788 u8 state;
789};
790
791#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
792#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
793
794#define IWL_TRAFFIC_ENTRIES (256)
795#define IWL_TRAFFIC_ENTRY_SIZE (64)
796
797enum {
798 MEASUREMENT_READY = (1 << 0),
799 MEASUREMENT_ACTIVE = (1 << 1),
800};
801
802/* interrupt statistics */
803struct isr_statistics {
804 u32 hw;
805 u32 sw;
806 u32 err_code;
807 u32 sch;
808 u32 alive;
809 u32 rfkill;
810 u32 ctkill;
811 u32 wakeup;
812 u32 rx;
813 u32 rx_handlers[REPLY_MAX];
814 u32 tx;
815 u32 unhandled;
816};
817
818/* management statistics */
819enum iwl_mgmt_stats {
820 MANAGEMENT_ASSOC_REQ = 0,
821 MANAGEMENT_ASSOC_RESP,
822 MANAGEMENT_REASSOC_REQ,
823 MANAGEMENT_REASSOC_RESP,
824 MANAGEMENT_PROBE_REQ,
825 MANAGEMENT_PROBE_RESP,
826 MANAGEMENT_BEACON,
827 MANAGEMENT_ATIM,
828 MANAGEMENT_DISASSOC,
829 MANAGEMENT_AUTH,
830 MANAGEMENT_DEAUTH,
831 MANAGEMENT_ACTION,
832 MANAGEMENT_MAX,
833};
834/* control statistics */
835enum iwl_ctrl_stats {
836 CONTROL_BACK_REQ = 0,
837 CONTROL_BACK,
838 CONTROL_PSPOLL,
839 CONTROL_RTS,
840 CONTROL_CTS,
841 CONTROL_ACK,
842 CONTROL_CFEND,
843 CONTROL_CFENDACK,
844 CONTROL_MAX,
845};
846
847struct traffic_stats {
848#ifdef CONFIG_IWLWIFI_LEGACY_DEBUGFS
849 u32 mgmt[MANAGEMENT_MAX];
850 u32 ctrl[CONTROL_MAX];
851 u32 data_cnt;
852 u64 data_bytes;
853#endif
854};
855
856/*
857 * iwl_switch_rxon: "channel switch" structure
858 *
859 * @ switch_in_progress: channel switch in progress
860 * @ channel: new channel
861 */
862struct iwl_switch_rxon {
863 bool switch_in_progress;
864 __le16 channel;
865};
866
867/*
868 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
869 * to perform continuous uCode event logging operation if enabled
870 */
871#define UCODE_TRACE_PERIOD (100)
872
873/*
874 * iwl_event_log: current uCode event log position
875 *
876 * @ucode_trace: enable/disable ucode continuous trace timer
877 * @num_wraps: how many times the event buffer wraps
878 * @next_entry: the entry just before the next one that uCode would fill
879 * @non_wraps_count: counter for no wrap detected when dump ucode events
880 * @wraps_once_count: counter for wrap once detected when dump ucode events
881 * @wraps_more_count: counter for wrap more than once detected
882 * when dump ucode events
883 */
884struct iwl_event_log {
885 bool ucode_trace;
886 u32 num_wraps;
887 u32 next_entry;
888 int non_wraps_count;
889 int wraps_once_count;
890 int wraps_more_count;
891};
892
893/*
894 * host interrupt timeout value
895 * used with setting interrupt coalescing timer
896 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit
897 *
898 * default interrupt coalescing timer is 64 x 32 = 2048 usecs
899 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs
900 */
901#define IWL_HOST_INT_TIMEOUT_MAX (0xFF)
902#define IWL_HOST_INT_TIMEOUT_DEF (0x40)
903#define IWL_HOST_INT_TIMEOUT_MIN (0x0)
904#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF)
905#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10)
906#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0)
907
908/*
909 * This is the threshold value of plcp error rate per 100mSecs. It is
910 * used to set and check for the validity of plcp_delta.
911 */
912#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
913#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
914#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
915#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
916#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
917#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
918
919#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
920#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
921
922/* TX queue watchdog timeouts in mSecs */
923#define IWL_DEF_WD_TIMEOUT (2000)
924#define IWL_LONG_WD_TIMEOUT (10000)
925#define IWL_MAX_WD_TIMEOUT (120000)
926
927enum iwl_reset {
928 IWL_RF_RESET = 0,
929 IWL_FW_RESET,
930 IWL_MAX_FORCE_RESET,
931};
932
933struct iwl_force_reset {
934 int reset_request_count;
935 int reset_success_count;
936 int reset_reject_count;
937 unsigned long reset_duration;
938 unsigned long last_force_reset_jiffies;
939};
940
941/* extend beacon time format bit shifting */
942/*
943 * for _3945 devices
944 * bits 31:24 - extended
945 * bits 23:0 - interval
946 */
947#define IWL3945_EXT_BEACON_TIME_POS 24
948/*
949 * for _4965 devices
950 * bits 31:22 - extended
951 * bits 21:0 - interval
952 */
953#define IWL4965_EXT_BEACON_TIME_POS 22
954
955enum iwl_rxon_context_id {
956 IWL_RXON_CTX_BSS,
957
958 NUM_IWL_RXON_CTX
959};
960
961struct iwl_rxon_context {
962 struct ieee80211_vif *vif;
963
964 const u8 *ac_to_fifo;
965 const u8 *ac_to_queue;
966 u8 mcast_queue;
967
968 /*
969 * We could use the vif to indicate active, but we
970 * also need it to be active during disabling when
971 * we already removed the vif for type setting.
972 */
973 bool always_active, is_active;
974
975 bool ht_need_multiple_chains;
976
977 enum iwl_rxon_context_id ctxid;
978
979 u32 interface_modes, exclusive_interface_modes;
980 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
981
982 /*
983 * We declare this const so it can only be
984 * changed via explicit cast within the
985 * routines that actually update the physical
986 * hardware.
987 */
988 const struct iwl_legacy_rxon_cmd active;
989 struct iwl_legacy_rxon_cmd staging;
990
991 struct iwl_rxon_time_cmd timing;
992
993 struct iwl_qos_info qos_data;
994
995 u8 bcast_sta_id, ap_sta_id;
996
997 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
998 u8 qos_cmd;
999 u8 wep_key_cmd;
1000
1001 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1002 u8 key_mapping_keys;
1003
1004 __le32 station_flags;
1005
1006 struct {
1007 bool non_gf_sta_present;
1008 u8 protection;
1009 bool enabled, is_40mhz;
1010 u8 extension_chan_offset;
1011 } ht;
1012};
1013
1014struct iwl_priv {
1015
1016 /* ieee device used by generic ieee processing code */
1017 struct ieee80211_hw *hw;
1018 struct ieee80211_channel *ieee_channels;
1019 struct ieee80211_rate *ieee_rates;
1020 struct iwl_cfg *cfg;
1021
1022 /* temporary frame storage list */
1023 struct list_head free_frames;
1024 int frames_count;
1025
1026 enum ieee80211_band band;
1027 int alloc_rxb_page;
1028
1029 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
1030 struct iwl_rx_mem_buffer *rxb);
1031
1032 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
1033
1034 /* spectrum measurement report caching */
1035 struct iwl_spectrum_notification measure_report;
1036 u8 measurement_status;
1037
1038 /* ucode beacon time */
1039 u32 ucode_beacon_time;
1040 int missed_beacon_threshold;
1041
1042 /* track IBSS manager (last beacon) status */
1043 u32 ibss_manager;
1044
1045 /* storing the jiffies when the plcp error rate is received */
1046 unsigned long plcp_jiffies;
1047
1048 /* force reset */
1049 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET];
1050
1051 /* we allocate array of iwl_channel_info for NIC's valid channels.
1052 * Access via channel # using indirect index array */
1053 struct iwl_channel_info *channel_info; /* channel info array */
1054 u8 channel_count; /* # of channels */
1055
1056 /* thermal calibration */
1057 s32 temperature; /* degrees Kelvin */
1058 s32 last_temperature;
1059
1060 /* init calibration results */
1061 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
1062
1063 /* Scan related variables */
1064 unsigned long scan_start;
1065 unsigned long scan_start_tsf;
1066 void *scan_cmd;
1067 enum ieee80211_band scan_band;
1068 struct cfg80211_scan_request *scan_request;
1069 struct ieee80211_vif *scan_vif;
1070 bool is_internal_short_scan;
1071 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
1072 u8 mgmt_tx_ant;
1073
1074 /* spinlock */
1075 spinlock_t lock; /* protect general shared data */
1076 spinlock_t hcmd_lock; /* protect hcmd */
1077 spinlock_t reg_lock; /* protect hw register access */
1078 struct mutex mutex;
1079 struct mutex sync_cmd_mutex; /* enable serialization of sync commands */
1080
1081 /* basic pci-network driver stuff */
1082 struct pci_dev *pci_dev;
1083
1084 /* pci hardware address support */
1085 void __iomem *hw_base;
1086 u32 hw_rev;
1087 u32 hw_wa_rev;
1088 u8 rev_id;
1089
1090 /* microcode/device supports multiple contexts */
1091 u8 valid_contexts;
1092
1093 /* command queue number */
1094 u8 cmd_queue;
1095
1096 /* max number of station keys */
1097 u8 sta_key_max_num;
1098
1099 /* EEPROM MAC addresses */
1100 struct mac_address addresses[1];
1101
1102 /* uCode images, save to reload in case of failure */
1103 int fw_index; /* firmware we're trying to load */
1104 u32 ucode_ver; /* version of ucode, copy of
1105 iwl_ucode.ver */
1106 struct fw_desc ucode_code; /* runtime inst */
1107 struct fw_desc ucode_data; /* runtime data original */
1108 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1109 struct fw_desc ucode_init; /* initialization inst */
1110 struct fw_desc ucode_init_data; /* initialization data */
1111 struct fw_desc ucode_boot; /* bootstrap inst */
1112 enum ucode_type ucode_type;
1113 u8 ucode_write_complete; /* the image write is complete */
1114 char firmware_name[25];
1115
1116 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
1117
1118 struct iwl_switch_rxon switch_rxon;
1119
1120 /* 1st responses from initialize and runtime uCode images.
1121 * _4965's initialize alive response contains some calibration data. */
1122 struct iwl_init_alive_resp card_alive_init;
1123 struct iwl_alive_resp card_alive;
1124
1125 u16 active_rate;
1126
1127 u8 start_calib;
1128 struct iwl_sensitivity_data sensitivity_data;
1129 struct iwl_chain_noise_data chain_noise_data;
1130 __le16 sensitivity_tbl[HD_TABLE_SIZE];
1131
1132 struct iwl_ht_config current_ht_config;
1133
1134 /* Rate scaling data */
1135 u8 retry_rate;
1136
1137 wait_queue_head_t wait_command_queue;
1138
1139 int activity_timer_active;
1140
1141 /* Rx and Tx DMA processing queues */
1142 struct iwl_rx_queue rxq;
1143 struct iwl_tx_queue *txq;
1144 unsigned long txq_ctx_active_msk;
1145 struct iwl_dma_ptr kw; /* keep warm address */
1146 struct iwl_dma_ptr scd_bc_tbls;
1147
1148 u32 scd_base_addr; /* scheduler sram base address */
1149
1150 unsigned long status;
1151
1152 /* counts mgmt, ctl, and data packets */
1153 struct traffic_stats tx_stats;
1154 struct traffic_stats rx_stats;
1155
1156 /* counts interrupts */
1157 struct isr_statistics isr_stats;
1158
1159 struct iwl_power_mgr power_data;
1160
1161 /* context information */
1162 u8 bssid[ETH_ALEN]; /* used only on 3945 but filled by core */
1163
1164 /* station table variables */
1165
1166 /* Note: if lock and sta_lock are needed, lock must be acquired first */
1167 spinlock_t sta_lock;
1168 int num_stations;
1169 struct iwl_station_entry stations[IWL_STATION_COUNT];
1170 unsigned long ucode_key_table;
1171
1172 /* queue refcounts */
1173#define IWL_MAX_HW_QUEUES 32
1174 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
1175 /* for each AC */
1176 atomic_t queue_stop_count[4];
1177
1178 /* Indication if ieee80211_ops->open has been called */
1179 u8 is_open;
1180
1181 u8 mac80211_registered;
1182
1183 /* eeprom -- this is in the card's little endian byte order */
1184 u8 *eeprom;
1185 struct iwl_eeprom_calib_info *calib_info;
1186
1187 enum nl80211_iftype iw_mode;
1188
1189 /* Last Rx'd beacon timestamp */
1190 u64 timestamp;
1191
1192 union {
1193#if defined(CONFIG_IWL3945) || defined(CONFIG_IWL3945_MODULE)
1194 struct {
1195 void *shared_virt;
1196 dma_addr_t shared_phys;
1197
1198 struct delayed_work thermal_periodic;
1199 struct delayed_work rfkill_poll;
1200
1201 struct iwl3945_notif_statistics statistics;
1202#ifdef CONFIG_IWLWIFI_LEGACY_DEBUGFS
1203 struct iwl3945_notif_statistics accum_statistics;
1204 struct iwl3945_notif_statistics delta_statistics;
1205 struct iwl3945_notif_statistics max_delta;
1206#endif
1207
1208 u32 sta_supp_rates;
1209 int last_rx_rssi; /* From Rx packet statistics */
1210
1211 /* Rx'd packet timing information */
1212 u32 last_beacon_time;
1213 u64 last_tsf;
1214
1215 /*
1216 * each calibration channel group in the
1217 * EEPROM has a derived clip setting for
1218 * each rate.
1219 */
1220 const struct iwl3945_clip_group clip_groups[5];
1221
1222 } _3945;
1223#endif
1224#if defined(CONFIG_IWL4965) || defined(CONFIG_IWL4965_MODULE)
1225 struct {
1226 /*
1227 * reporting the number of tids has AGG on. 0 means
1228 * no AGGREGATION
1229 */
1230 u8 agg_tids_count;
1231
1232 struct iwl_rx_phy_res last_phy_res;
1233 bool last_phy_res_valid;
1234
1235 struct completion firmware_loading_complete;
1236
1237 /*
1238 * chain noise reset and gain commands are the
1239 * two extra calibration commands follows the standard
1240 * phy calibration commands
1241 */
1242 u8 phy_calib_chain_noise_reset_cmd;
1243 u8 phy_calib_chain_noise_gain_cmd;
1244
1245 struct iwl_notif_statistics statistics;
1246#ifdef CONFIG_IWLWIFI_LEGACY_DEBUGFS
1247 struct iwl_notif_statistics accum_statistics;
1248 struct iwl_notif_statistics delta_statistics;
1249 struct iwl_notif_statistics max_delta;
1250#endif
1251
1252 } _4965;
1253#endif
1254 };
1255
1256 struct iwl_hw_params hw_params;
1257
1258 u32 inta_mask;
1259
1260 struct workqueue_struct *workqueue;
1261
1262 struct work_struct restart;
1263 struct work_struct scan_completed;
1264 struct work_struct rx_replenish;
1265 struct work_struct abort_scan;
1266
1267 struct iwl_rxon_context *beacon_ctx;
1268 struct sk_buff *beacon_skb;
1269
1270 struct work_struct start_internal_scan;
1271 struct work_struct tx_flush;
1272
1273 struct tasklet_struct irq_tasklet;
1274
1275 struct delayed_work init_alive_start;
1276 struct delayed_work alive_start;
1277 struct delayed_work scan_check;
1278
1279 /* TX Power */
1280 s8 tx_power_user_lmt;
1281 s8 tx_power_device_lmt;
1282 s8 tx_power_next;
1283
1284
1285#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
1286 /* debugging info */
1287 u32 debug_level; /* per device debugging will override global
ef33417d 1288 iwlegacy_debug_level if set */
be663ab6
WYG		 1289#endif /* CONFIG_IWLWIFI_LEGACY_DEBUG */
1290#ifdef CONFIG_IWLWIFI_LEGACY_DEBUGFS
1291 /* debugfs */
1292 u16 tx_traffic_idx;
1293 u16 rx_traffic_idx;
1294 u8 *tx_traffic;
1295 u8 *rx_traffic;
1296 struct dentry *debugfs_dir;
1297 u32 dbgfs_sram_offset, dbgfs_sram_len;
1298 bool disable_ht40;
1299#endif /* CONFIG_IWLWIFI_LEGACY_DEBUGFS */
1300
1301 struct work_struct txpower_work;
1302 u32 disable_sens_cal;
1303 u32 disable_chain_noise_cal;
1304 u32 disable_tx_power_cal;
1305 struct work_struct run_time_calib_work;
1306 struct timer_list statistics_periodic;
1307 struct timer_list ucode_trace;
1308 struct timer_list watchdog;
1309 bool hw_ready;
1310
1311 struct iwl_event_log event_log;
1312
1313 struct led_classdev led;
1314 unsigned long blink_on, blink_off;
1315 bool led_registered;
1316}; /*iwl_priv */
1317
1318static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1319{
1320 set_bit(txq_id, &priv->txq_ctx_active_msk);
1321}
1322
1323static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1324{
1325 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1326}
1327
1328#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
1329/*
1330 * iwl_legacy_get_debug_level: Return active debug level for device
1331 *
1332 * Using sysfs it is possible to set per device debug level. This debug
1333 * level will be used if set, otherwise the global debug level which can be
1334 * set via module parameter is used.
1335 */
1336static inline u32 iwl_legacy_get_debug_level(struct iwl_priv *priv)
1337{
1338 if (priv->debug_level)
1339 return priv->debug_level;
1340 else
ef33417d 1341 return iwlegacy_debug_level;
be663ab6
WYG		 1342}
1343#else
1344static inline u32 iwl_legacy_get_debug_level(struct iwl_priv *priv)
1345{
ef33417d 1346 return iwlegacy_debug_level;
be663ab6
WYG		 1347}
1348#endif
1349
1350
1351static inline struct ieee80211_hdr *
1352iwl_legacy_tx_queue_get_hdr(struct iwl_priv *priv,
1353 int txq_id, int idx)
1354{
1355 if (priv->txq[txq_id].txb[idx].skb)
1356 return (struct ieee80211_hdr *)priv->txq[txq_id].
1357 txb[idx].skb->data;
1358 return NULL;
1359}
1360
1361static inline struct iwl_rxon_context *
1362iwl_legacy_rxon_ctx_from_vif(struct ieee80211_vif *vif)
1363{
1364 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
1365
1366 return vif_priv->ctx;
1367}
1368
1369#define for_each_context(priv, ctx) \
1370 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
1371 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
1372 if (priv->valid_contexts & BIT(ctx->ctxid))
1373
1374static inline int iwl_legacy_is_associated(struct iwl_priv *priv,
1375 enum iwl_rxon_context_id ctxid)
1376{
1377 return (priv->contexts[ctxid].active.filter_flags &
1378 RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1379}
1380
1381static inline int iwl_legacy_is_any_associated(struct iwl_priv *priv)
1382{
1383 return iwl_legacy_is_associated(priv, IWL_RXON_CTX_BSS);
1384}
1385
1386static inline int iwl_legacy_is_associated_ctx(struct iwl_rxon_context *ctx)
1387{
1388 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1389}
1390
1391static inline int iwl_legacy_is_channel_valid(const struct iwl_channel_info *ch_info)
1392{
1393 if (ch_info == NULL)
1394 return 0;
1395 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1396}
1397
1398static inline int iwl_legacy_is_channel_radar(const struct iwl_channel_info *ch_info)
1399{
1400 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1401}
1402
1403static inline u8 iwl_legacy_is_channel_a_band(const struct iwl_channel_info *ch_info)
1404{
1405 return ch_info->band == IEEE80211_BAND_5GHZ;
1406}
1407
1408static inline int
1409iwl_legacy_is_channel_passive(const struct iwl_channel_info *ch)
1410{
1411 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1412}
1413
eb85de3f
SG		 1414static inline int
1415iwl_legacy_is_channel_ibss(const struct iwl_channel_info *ch)
1416{
1417 return (ch->flags & EEPROM_CHANNEL_IBSS) ? 1 : 0;
1418}
1419
be663ab6
WYG		 1420static inline void
1421__iwl_legacy_free_pages(struct iwl_priv *priv, struct page *page)
1422{
1423 __free_pages(page, priv->hw_params.rx_page_order);
1424 priv->alloc_rxb_page--;
1425}
1426
1427static inline void iwl_legacy_free_pages(struct iwl_priv *priv, unsigned long page)
1428{
1429 free_pages(page, priv->hw_params.rx_page_order);
1430 priv->alloc_rxb_page--;
1431}
1432#endif /* __iwl_legacy_dev_h__ */
Linux kernel - Deliverables
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