blob: 820542bac44398a46e1bb30b8a30e96f3805195e [file] [log] [blame]
Zhu Yib481de92007-09-25 17:54:57 -07001/******************************************************************************
2 *
Reinette Chatreeb7ae892008-03-11 16:17:17 -07003 * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
Zhu Yib481de92007-09-25 17:54:57 -07004 *
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 * James P. Ketrenos <ipw2100-admin@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
Ben Cahillfcd427b2007-11-29 11:10:00 +080026/*
Tomas Winkler3e0d4cb2008-04-24 11:55:38 -070027 * Please use this file (iwl-dev.h) for driver implementation definitions.
Tomas Winkler5a36ba02008-04-24 11:55:37 -070028 * Please use iwl-commands.h for uCode API definitions.
Ben Cahillfcd427b2007-11-29 11:10:00 +080029 * Please use iwl-4965-hw.h for hardware-related definitions.
30 */
31
Zhu Yib481de92007-09-25 17:54:57 -070032#ifndef __iwl_4965_h__
33#define __iwl_4965_h__
34
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080035#include <linux/pci.h> /* for struct pci_device_id */
36#include <linux/kernel.h>
37#include <net/ieee80211_radiotap.h>
38
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080039#define DRV_NAME "iwl4965"
Mohamed Abbasad97edd2008-03-28 16:21:06 -070040#include "iwl-rfkill.h"
Assaf Krauss6bc913b2008-03-11 16:17:18 -070041#include "iwl-eeprom.h"
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080042#include "iwl-4965-hw.h"
Tomas Winkler6f83eaa2008-03-04 18:09:28 -080043#include "iwl-csr.h"
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080044#include "iwl-prph.h"
Tomas Winkler0a6857e2008-03-12 16:58:49 -070045#include "iwl-debug.h"
Mohamed Abbasab53d8a2008-03-25 16:33:36 -070046#include "iwl-led.h"
Mohamed Abbas5da4b552008-04-21 15:41:51 -070047#include "iwl-power.h"
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080048
Ron Rindjunskyfed90172008-04-15 16:01:41 -070049/* configuration for the iwl4965 */
50extern struct iwl_cfg iwl4965_agn_cfg;
Tomas Winkler5a6a2562008-04-24 11:55:23 -070051extern struct iwl_cfg iwl5300_agn_cfg;
52extern struct iwl_cfg iwl5100_agn_cfg;
53extern struct iwl_cfg iwl5350_agn_cfg;
Ron Rindjunskyfed90172008-04-15 16:01:41 -070054
Tomas Winkler4bf775c2008-03-04 18:09:31 -080055/* Change firmware file name, using "-" and incrementing number,
56 * *only* when uCode interface or architecture changes so that it
57 * is not compatible with earlier drivers.
58 * This number will also appear in << 8 position of 1st dword of uCode file */
59#define IWL4965_UCODE_API "-1"
60
Ron Rindjunsky099b40b2008-04-21 15:41:53 -070061/* CT-KILL constants */
62#define CT_KILL_THRESHOLD 110 /* in Celsius */
Tomas Winkler4bf775c2008-03-04 18:09:31 -080063
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080064/* Default noise level to report when noise measurement is not available.
65 * This may be because we're:
66 * 1) Not associated (4965, no beacon statistics being sent to driver)
67 * 2) Scanning (noise measurement does not apply to associated channel)
68 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
69 * Use default noise value of -127 ... this is below the range of measurable
70 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
71 * Also, -127 works better than 0 when averaging frames with/without
72 * noise info (e.g. averaging might be done in app); measured dBm values are
73 * always negative ... using a negative value as the default keeps all
74 * averages within an s8's (used in some apps) range of negative values. */
75#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
76
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080077/*
78 * RTS threshold here is total size [2347] minus 4 FCS bytes
79 * Per spec:
80 * a value of 0 means RTS on all data/management packets
81 * a value > max MSDU size means no RTS
82 * else RTS for data/management frames where MPDU is larger
83 * than RTS value.
84 */
85#define DEFAULT_RTS_THRESHOLD 2347U
86#define MIN_RTS_THRESHOLD 0U
87#define MAX_RTS_THRESHOLD 2347U
88#define MAX_MSDU_SIZE 2304U
89#define MAX_MPDU_SIZE 2346U
90#define DEFAULT_BEACON_INTERVAL 100U
91#define DEFAULT_SHORT_RETRY_LIMIT 7U
92#define DEFAULT_LONG_RETRY_LIMIT 4U
93
Tomas Winklera55360e2008-05-05 10:22:28 +080094struct iwl_rx_mem_buffer {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080095 dma_addr_t dma_addr;
96 struct sk_buff *skb;
97 struct list_head list;
98};
99
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800100/*
101 * Generic queue structure
102 *
103 * Contains common data for Rx and Tx queues
104 */
Tomas Winkler443cfd42008-05-15 13:53:57 +0800105struct iwl_queue {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800106 int n_bd; /* number of BDs in this queue */
107 int write_ptr; /* 1-st empty entry (index) host_w*/
108 int read_ptr; /* last used entry (index) host_r*/
109 dma_addr_t dma_addr; /* physical addr for BD's */
110 int n_window; /* safe queue window */
111 u32 id;
112 int low_mark; /* low watermark, resume queue if free
113 * space more than this */
114 int high_mark; /* high watermark, stop queue if free
115 * space less than this */
116} __attribute__ ((packed));
117
118#define MAX_NUM_OF_TBS (20)
119
Ben Cahillbc472792007-11-29 11:09:49 +0800120/* One for each TFD */
Tomas Winkler8567c632008-05-15 13:53:58 +0800121struct iwl_tx_info {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800122 struct ieee80211_tx_status status;
123 struct sk_buff *skb[MAX_NUM_OF_TBS];
124};
125
126/**
Ron Rindjunsky16466902008-05-05 10:22:50 +0800127 * struct iwl_tx_queue - Tx Queue for DMA
Ben Cahillbc472792007-11-29 11:09:49 +0800128 * @q: generic Rx/Tx queue descriptor
129 * @bd: base of circular buffer of TFDs
130 * @cmd: array of command/Tx buffers
131 * @dma_addr_cmd: physical address of cmd/tx buffer array
132 * @txb: array of per-TFD driver data
133 * @need_update: indicates need to update read/write index
134 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800135 *
Ben Cahillbc472792007-11-29 11:09:49 +0800136 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
137 * descriptors) and required locking structures.
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800138 */
Ron Rindjunsky16466902008-05-05 10:22:50 +0800139struct iwl_tx_queue {
Tomas Winkler443cfd42008-05-15 13:53:57 +0800140 struct iwl_queue q;
Ron Rindjunsky1053d352008-05-05 10:22:43 +0800141 struct iwl_tfd_frame *bd;
Tomas Winkler857485c2008-03-21 13:53:44 -0700142 struct iwl_cmd *cmd;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800143 dma_addr_t dma_addr_cmd;
Tomas Winkler8567c632008-05-15 13:53:58 +0800144 struct iwl_tx_info *txb;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800145 int need_update;
146 int sched_retry;
147 int active;
148};
149
150#define IWL_NUM_SCAN_RATES (2)
151
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800152struct iwl4965_channel_tgd_info {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800153 u8 type;
154 s8 max_power;
155};
156
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800157struct iwl4965_channel_tgh_info {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800158 s64 last_radar_time;
159};
160
161/* current Tx power values to use, one for each rate for each channel.
162 * requested power is limited by:
163 * -- regulatory EEPROM limits for this channel
164 * -- hardware capabilities (clip-powers)
165 * -- spectrum management
166 * -- user preference (e.g. iwconfig)
167 * when requested power is set, base power index must also be set. */
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800168struct iwl4965_channel_power_info {
169 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800170 s8 power_table_index; /* actual (compenst'd) index into gain table */
171 s8 base_power_index; /* gain index for power at factory temp. */
172 s8 requested_power; /* power (dBm) requested for this chnl/rate */
173};
174
175/* current scan Tx power values to use, one for each scan rate for each
176 * channel. */
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800177struct iwl4965_scan_power_info {
178 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800179 s8 power_table_index; /* actual (compenst'd) index into gain table */
180 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
181};
182
Ben Cahillfcd427b2007-11-29 11:10:00 +0800183/* For fat_extension_channel */
184enum {
185 HT_IE_EXT_CHANNEL_NONE = 0,
186 HT_IE_EXT_CHANNEL_ABOVE,
187 HT_IE_EXT_CHANNEL_INVALID,
188 HT_IE_EXT_CHANNEL_BELOW,
189 HT_IE_EXT_CHANNEL_MAX
190};
191
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800192/*
193 * One for each channel, holds all channel setup data
194 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
195 * with one another!
196 */
197#define IWL4965_MAX_RATE (33)
198
Assaf Kraussbf85ea42008-03-14 10:38:49 -0700199struct iwl_channel_info {
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800200 struct iwl4965_channel_tgd_info tgd;
201 struct iwl4965_channel_tgh_info tgh;
Tomas Winkler073d3f52008-04-21 15:41:52 -0700202 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
203 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
204 * FAT channel */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800205
206 u8 channel; /* channel number */
207 u8 flags; /* flags copied from EEPROM */
208 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
Ben Cahillfcd427b2007-11-29 11:10:00 +0800209 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800210 s8 min_power; /* always 0 */
211 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
212
213 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
214 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
Johannes Berg8318d782008-01-24 19:38:38 +0100215 enum ieee80211_band band;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800216
217 /* Radio/DSP gain settings for each "normal" data Tx rate.
218 * These include, in addition to RF and DSP gain, a few fields for
219 * remembering/modifying gain settings (indexes). */
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800220 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800221
222 /* FAT channel info */
223 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
224 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
225 s8 fat_min_power; /* always 0 */
226 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
227 u8 fat_flags; /* flags copied from EEPROM */
Ben Cahillfcd427b2007-11-29 11:10:00 +0800228 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800229
230 /* Radio/DSP gain settings for each scan rate, for directed scans. */
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800231 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800232};
233
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800234struct iwl4965_clip_group {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800235 /* maximum power level to prevent clipping for each rate, derived by
236 * us from this band's saturation power in EEPROM */
237 const s8 clip_powers[IWL_MAX_RATES];
238};
239
240#include "iwl-4965-rs.h"
241
242#define IWL_TX_FIFO_AC0 0
243#define IWL_TX_FIFO_AC1 1
244#define IWL_TX_FIFO_AC2 2
245#define IWL_TX_FIFO_AC3 3
246#define IWL_TX_FIFO_HCCA_1 5
247#define IWL_TX_FIFO_HCCA_2 6
248#define IWL_TX_FIFO_NONE 7
249
250/* Minimum number of queues. MAX_NUM is defined in hw specific files */
251#define IWL_MIN_NUM_QUEUES 4
252
253/* Power management (not Tx power) structures */
254
Tomas Winkler6f4083a2008-04-16 16:34:49 -0700255enum iwl_pwr_src {
256 IWL_PWR_SRC_VMAIN,
257 IWL_PWR_SRC_VAUX,
258};
259
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800260#define IEEE80211_DATA_LEN 2304
261#define IEEE80211_4ADDR_LEN 30
262#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
263#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
264
Tomas Winklerfcab4232008-05-15 13:54:01 +0800265struct iwl_frame {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800266 union {
267 struct ieee80211_hdr frame;
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800268 struct iwl4965_tx_beacon_cmd beacon;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800269 u8 raw[IEEE80211_FRAME_LEN];
270 u8 cmd[360];
271 } u;
272 struct list_head list;
273};
274
275#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
276#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
Johannes Berga0b484f2008-04-01 17:51:47 +0200277#define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
278#define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800279#define SEQ_HUGE_FRAME (0x4000)
280#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
281#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
282#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
283#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
284
285enum {
286 /* CMD_SIZE_NORMAL = 0, */
287 CMD_SIZE_HUGE = (1 << 0),
288 /* CMD_SYNC = 0, */
289 CMD_ASYNC = (1 << 1),
290 /* CMD_NO_SKB = 0, */
291 CMD_WANT_SKB = (1 << 2),
292};
293
Tomas Winkler857485c2008-03-21 13:53:44 -0700294struct iwl_cmd;
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700295struct iwl_priv;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800296
Tomas Winkler857485c2008-03-21 13:53:44 -0700297struct iwl_cmd_meta {
298 struct iwl_cmd_meta *source;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800299 union {
300 struct sk_buff *skb;
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700301 int (*callback)(struct iwl_priv *priv,
Tomas Winkler857485c2008-03-21 13:53:44 -0700302 struct iwl_cmd *cmd, struct sk_buff *skb);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800303 } __attribute__ ((packed)) u;
304
305 /* The CMD_SIZE_HUGE flag bit indicates that the command
306 * structure is stored at the end of the shared queue memory. */
307 u32 flags;
308
309} __attribute__ ((packed));
310
Ben Cahillbc472792007-11-29 11:09:49 +0800311/**
Tomas Winkler857485c2008-03-21 13:53:44 -0700312 * struct iwl_cmd
Ben Cahillbc472792007-11-29 11:09:49 +0800313 *
314 * For allocation of the command and tx queues, this establishes the overall
315 * size of the largest command we send to uCode, except for a scan command
316 * (which is relatively huge; space is allocated separately).
317 */
Tomas Winkler857485c2008-03-21 13:53:44 -0700318struct iwl_cmd {
319 struct iwl_cmd_meta meta; /* driver data */
320 struct iwl_cmd_header hdr; /* uCode API */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800321 union {
Tomas Winkler133636d2008-05-05 10:22:34 +0800322 struct iwl_addsta_cmd addsta;
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800323 struct iwl4965_led_cmd led;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800324 u32 flags;
325 u8 val8;
326 u16 val16;
327 u32 val32;
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800328 struct iwl4965_bt_cmd bt;
329 struct iwl4965_rxon_time_cmd rxon_time;
330 struct iwl4965_powertable_cmd powertable;
331 struct iwl4965_qosparam_cmd qosparam;
Tomas Winkler83d527d2008-05-15 13:54:05 +0800332 struct iwl_tx_cmd tx;
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800333 struct iwl4965_tx_beacon_cmd tx_beacon;
334 struct iwl4965_rxon_assoc_cmd rxon_assoc;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800335 u8 *indirect;
336 u8 payload[360];
337 } __attribute__ ((packed)) cmd;
338} __attribute__ ((packed));
339
Tomas Winkler857485c2008-03-21 13:53:44 -0700340struct iwl_host_cmd {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800341 u8 id;
342 u16 len;
Tomas Winkler857485c2008-03-21 13:53:44 -0700343 struct iwl_cmd_meta meta;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800344 const void *data;
345};
346
Tomas Winkler857485c2008-03-21 13:53:44 -0700347#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
348 sizeof(struct iwl_cmd_meta))
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800349
350/*
351 * RX related structures and functions
352 */
353#define RX_FREE_BUFFERS 64
354#define RX_LOW_WATERMARK 8
355
356#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
357#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
358#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
359
360/**
Tomas Winklera55360e2008-05-05 10:22:28 +0800361 * struct iwl_rx_queue - Rx queue
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800362 * @processed: Internal index to last handled Rx packet
363 * @read: Shared index to newest available Rx buffer
364 * @write: Shared index to oldest written Rx packet
365 * @free_count: Number of pre-allocated buffers in rx_free
366 * @rx_free: list of free SKBs for use
367 * @rx_used: List of Rx buffers with no SKB
368 * @need_update: flag to indicate we need to update read/write index
369 *
Tomas Winklera55360e2008-05-05 10:22:28 +0800370 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800371 */
Tomas Winklera55360e2008-05-05 10:22:28 +0800372struct iwl_rx_queue {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800373 __le32 *bd;
374 dma_addr_t dma_addr;
Tomas Winklera55360e2008-05-05 10:22:28 +0800375 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
376 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800377 u32 processed;
378 u32 read;
379 u32 write;
380 u32 free_count;
381 struct list_head rx_free;
382 struct list_head rx_used;
383 int need_update;
384 spinlock_t lock;
385};
386
387#define IWL_SUPPORTED_RATES_IE_LEN 8
388
389#define SCAN_INTERVAL 100
390
391#define MAX_A_CHANNELS 252
392#define MIN_A_CHANNELS 7
393
394#define MAX_B_CHANNELS 14
395#define MIN_B_CHANNELS 1
396
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800397#define MAX_TID_COUNT 9
398
399#define IWL_INVALID_RATE 0xFF
400#define IWL_INVALID_VALUE -1
401
Christoph Hellwigc8b0e6e2007-10-25 17:15:51 +0800402#ifdef CONFIG_IWL4965_HT
Ben Cahillbc472792007-11-29 11:09:49 +0800403/**
Tomas Winkler6def9762008-05-05 10:22:31 +0800404 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
Ben Cahillbc472792007-11-29 11:09:49 +0800405 * @txq_id: Tx queue used for Tx attempt
406 * @frame_count: # frames attempted by Tx command
407 * @wait_for_ba: Expect block-ack before next Tx reply
408 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
409 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
410 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
411 * @rate_n_flags: Rate at which Tx was attempted
412 *
413 * If REPLY_TX indicates that aggregation was attempted, driver must wait
414 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
415 * until block ack arrives.
416 */
Tomas Winkler6def9762008-05-05 10:22:31 +0800417struct iwl_ht_agg {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800418 u16 txq_id;
419 u16 frame_count;
420 u16 wait_for_ba;
421 u16 start_idx;
Ron Rindjunskyfe01b472008-01-28 14:07:24 +0200422 u64 bitmap;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800423 u32 rate_n_flags;
Ron Rindjunskyfe01b472008-01-28 14:07:24 +0200424#define IWL_AGG_OFF 0
425#define IWL_AGG_ON 1
426#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
427#define IWL_EMPTYING_HW_QUEUE_DELBA 3
428 u8 state;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800429};
Ron Rindjunskyfe01b472008-01-28 14:07:24 +0200430
Christoph Hellwigc8b0e6e2007-10-25 17:15:51 +0800431#endif /* CONFIG_IWL4965_HT */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800432
Tomas Winkler6def9762008-05-05 10:22:31 +0800433struct iwl_tid_data {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800434 u16 seq_number;
Ron Rindjunskyfe01b472008-01-28 14:07:24 +0200435 u16 tfds_in_queue;
Christoph Hellwigc8b0e6e2007-10-25 17:15:51 +0800436#ifdef CONFIG_IWL4965_HT
Tomas Winkler6def9762008-05-05 10:22:31 +0800437 struct iwl_ht_agg agg;
Christoph Hellwigc8b0e6e2007-10-25 17:15:51 +0800438#endif /* CONFIG_IWL4965_HT */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800439};
440
Tomas Winkler6def9762008-05-05 10:22:31 +0800441struct iwl_hw_key {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800442 enum ieee80211_key_alg alg;
443 int keylen;
Emmanuel Grumbach0211ddd2008-04-14 21:16:07 -0700444 u8 keyidx;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800445 u8 key[32];
446};
447
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800448union iwl4965_ht_rate_supp {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800449 u16 rates;
450 struct {
451 u8 siso_rate;
452 u8 mimo_rate;
453 };
454};
455
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800456#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800457#define CFG_HT_MPDU_DENSITY_2USEC (0x5)
458#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
459
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +0200460struct iwl_ht_info {
461 /* self configuration data */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800462 u8 is_ht;
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +0200463 u8 supported_chan_width;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800464 u16 tx_mimo_ps_mode;
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +0200465 u8 is_green_field;
Tomas Winklerbb542442007-12-05 20:59:59 +0200466 u8 sgf; /* HT_SHORT_GI_* short guard interval */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800467 u8 max_amsdu_size;
468 u8 ampdu_factor;
469 u8 mpdu_density;
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +0200470 u8 supp_mcs_set[16];
471 /* BSS related data */
472 u8 control_channel;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800473 u8 extension_chan_offset;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800474 u8 tx_chan_width;
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +0200475 u8 ht_protection;
476 u8 non_GF_STA_present;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800477};
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800478
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800479union iwl4965_qos_capabity {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800480 struct {
481 u8 edca_count:4; /* bit 0-3 */
482 u8 q_ack:1; /* bit 4 */
483 u8 queue_request:1; /* bit 5 */
484 u8 txop_request:1; /* bit 6 */
485 u8 reserved:1; /* bit 7 */
486 } q_AP;
487 struct {
488 u8 acvo_APSD:1; /* bit 0 */
489 u8 acvi_APSD:1; /* bit 1 */
490 u8 ac_bk_APSD:1; /* bit 2 */
491 u8 ac_be_APSD:1; /* bit 3 */
492 u8 q_ack:1; /* bit 4 */
493 u8 max_len:2; /* bit 5-6 */
494 u8 more_data_ack:1; /* bit 7 */
495 } q_STA;
496 u8 val;
497};
498
499/* QoS structures */
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800500struct iwl4965_qos_info {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800501 int qos_enable;
502 int qos_active;
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800503 union iwl4965_qos_capabity qos_cap;
504 struct iwl4965_qosparam_cmd def_qos_parm;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800505};
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800506
507#define STA_PS_STATUS_WAKE 0
508#define STA_PS_STATUS_SLEEP 1
509
Tomas Winkler6def9762008-05-05 10:22:31 +0800510struct iwl_station_entry {
Tomas Winkler133636d2008-05-05 10:22:34 +0800511 struct iwl_addsta_cmd sta;
Tomas Winkler6def9762008-05-05 10:22:31 +0800512 struct iwl_tid_data tid[MAX_TID_COUNT];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800513 u8 used;
514 u8 ps_status;
Tomas Winkler6def9762008-05-05 10:22:31 +0800515 struct iwl_hw_key keyinfo;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800516};
517
518/* one for each uCode image (inst/data, boot/init/runtime) */
519struct fw_desc {
520 void *v_addr; /* access by driver */
521 dma_addr_t p_addr; /* access by card's busmaster DMA */
522 u32 len; /* bytes */
523};
524
525/* uCode file layout */
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800526struct iwl4965_ucode {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800527 __le32 ver; /* major/minor/subminor */
528 __le32 inst_size; /* bytes of runtime instructions */
529 __le32 data_size; /* bytes of runtime data */
530 __le32 init_size; /* bytes of initialization instructions */
531 __le32 init_data_size; /* bytes of initialization data */
532 __le32 boot_size; /* bytes of bootstrap instructions */
533 u8 data[0]; /* data in same order as "size" elements */
534};
535
536#define IWL_IBSS_MAC_HASH_SIZE 32
537
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800538struct iwl4965_ibss_seq {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800539 u8 mac[ETH_ALEN];
540 u16 seq_num;
541 u16 frag_num;
542 unsigned long packet_time;
543 struct list_head list;
544};
545
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700546struct iwl_sensitivity_ranges {
547 u16 min_nrg_cck;
548 u16 max_nrg_cck;
549
550 u16 nrg_th_cck;
551 u16 nrg_th_ofdm;
552
553 u16 auto_corr_min_ofdm;
554 u16 auto_corr_min_ofdm_mrc;
555 u16 auto_corr_min_ofdm_x1;
556 u16 auto_corr_min_ofdm_mrc_x1;
557
558 u16 auto_corr_max_ofdm;
559 u16 auto_corr_max_ofdm_mrc;
560 u16 auto_corr_max_ofdm_x1;
561 u16 auto_corr_max_ofdm_mrc_x1;
562
563 u16 auto_corr_max_cck;
564 u16 auto_corr_max_cck_mrc;
565 u16 auto_corr_min_cck;
566 u16 auto_corr_min_cck_mrc;
567};
568
Ron Rindjunsky099b40b2008-04-21 15:41:53 -0700569
570#define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
571
Ben Cahillbc472792007-11-29 11:09:49 +0800572/**
Tomas Winkler5425e492008-04-15 16:01:38 -0700573 * struct iwl_hw_params
Ben Cahillbc472792007-11-29 11:09:49 +0800574 * @max_txq_num: Max # Tx queues supported
Ron Rindjunsky099b40b2008-04-21 15:41:53 -0700575 * @tx/rx_chains_num: Number of TX/RX chains
576 * @valid_tx/rx_ant: usable antennas
Ben Cahillbc472792007-11-29 11:09:49 +0800577 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
Ben Cahillbc472792007-11-29 11:09:49 +0800578 * @max_rxq_log: Log-base-2 of max_rxq_size
Ron Rindjunsky099b40b2008-04-21 15:41:53 -0700579 * @rx_buf_size: Rx buffer size
Ben Cahillbc472792007-11-29 11:09:49 +0800580 * @max_stations:
581 * @bcast_sta_id:
Ron Rindjunsky099b40b2008-04-21 15:41:53 -0700582 * @fat_channel: is 40MHz width possible in band 2.4
583 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
584 * @sw_crypto: 0 for hw, 1 for sw
585 * @max_xxx_size: for ucode uses
586 * @ct_kill_threshold: temperature threshold
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700587 * @struct iwl_sensitivity_ranges: range of sensitivity values
Ben Cahillbc472792007-11-29 11:09:49 +0800588 */
Tomas Winkler5425e492008-04-15 16:01:38 -0700589struct iwl_hw_params {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800590 u16 max_txq_num;
Tomas Winklerec35cf22008-04-15 16:01:39 -0700591 u8 tx_chains_num;
592 u8 rx_chains_num;
593 u8 valid_tx_ant;
594 u8 valid_rx_ant;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800595 u16 max_rxq_size;
Tomas Winklerec35cf22008-04-15 16:01:39 -0700596 u16 max_rxq_log;
Ron Rindjunsky9ee1ba42007-11-26 16:14:42 +0200597 u32 rx_buf_size;
598 u32 max_pkt_size;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800599 u8 max_stations;
600 u8 bcast_sta_id;
Ron Rindjunsky099b40b2008-04-21 15:41:53 -0700601 u8 fat_channel;
602 u8 sw_crypto;
603 u32 max_inst_size;
604 u32 max_data_size;
605 u32 max_bsm_size;
606 u32 ct_kill_threshold; /* value in hw-dependent units */
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700607#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
608 const struct iwl_sensitivity_ranges *sens;
609#endif
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800610};
611
Emmanuel Grumbacha9841012008-05-15 13:54:08 +0800612#define HT_SHORT_GI_20MHZ (1 << 0)
613#define HT_SHORT_GI_40MHZ (1 << 1)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800614
615
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800616#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800617 x->u.rx_frame.stats.payload + \
618 x->u.rx_frame.stats.phy_count))
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800619#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800620 IWL_RX_HDR(x)->payload + \
621 le16_to_cpu(IWL_RX_HDR(x)->len)))
622#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
623#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
624
625
626/******************************************************************************
627 *
628 * Functions implemented in iwl-base.c which are forward declared here
629 * for use by iwl-*.c
630 *
631 *****************************************************************************/
Tomas Winkler133636d2008-05-05 10:22:34 +0800632struct iwl_addsta_cmd;
633extern int iwl_send_add_sta(struct iwl_priv *priv,
634 struct iwl_addsta_cmd *sta, u8 flags);
Tomas Winkler4f40e4d2008-05-15 13:54:04 +0800635u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
636 u8 flags, struct ieee80211_ht_info *ht_info);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700637extern int iwl4965_is_network_packet(struct iwl_priv *priv,
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800638 struct ieee80211_hdr *header);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700639extern int iwl4965_power_init_handle(struct iwl_priv *priv);
640extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv,
Tomas Winklera55360e2008-05-05 10:22:28 +0800641 struct iwl_rx_mem_buffer *rxb,
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800642 void *data, short len,
643 struct ieee80211_rx_status *stats,
644 u16 phy_flags);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700645extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv,
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800646 struct ieee80211_hdr *header);
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800647extern int iwl4965_calc_db_from_ratio(int sig_ratio);
648extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700649extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800650 struct ieee80211_hdr *hdr,
651 const u8 *dest, int left);
Mohamed Abbas5da4b552008-04-21 15:41:51 -0700652extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
Tomas Winkler079a2532008-04-17 16:03:39 -0700653int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
654
Assaf Kraussbf85ea42008-03-14 10:38:49 -0700655int iwl4965_init_geos(struct iwl_priv *priv);
656void iwl4965_free_geos(struct iwl_priv *priv);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800657
Tomas Winkler57bd1be2008-05-15 13:54:03 +0800658extern const u8 iwl_bcast_addr[ETH_ALEN];
Tomas Winkler857485c2008-03-21 13:53:44 -0700659int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800660
661/*
662 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
663 * call this... todo... fix that.
664*/
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700665extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id,
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800666 u16 tx_rate, u8 flags);
667
668/******************************************************************************
669 *
670 * Functions implemented in iwl-[34]*.c which are forward declared here
671 * for use by iwl-base.c
672 *
673 * NOTE: The implementation of these functions are hardware specific
674 * which is why they are in the hardware specific files (vs. iwl-base.c)
675 *
676 * Naming convention --
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800677 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
678 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800679 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800680 * iwl4965_bg_ <-- Called from work queue context
681 * iwl4965_mac_ <-- mac80211 callback
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800682 *
683 ****************************************************************************/
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700684extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
685extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
686extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv);
Tomas Winkler5425e492008-04-15 16:01:38 -0700687extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700688extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700689extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv);
690extern int iwl4965_hw_nic_reset(struct iwl_priv *priv);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700691extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700692extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
Tomas Winklerfcab4232008-05-15 13:54:01 +0800693 struct iwl_frame *frame, u8 rate);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700694extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
Tomas Winkler857485c2008-03-21 13:53:44 -0700695 struct iwl_cmd *cmd,
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800696 struct ieee80211_tx_control *ctrl,
697 struct ieee80211_hdr *hdr,
698 int sta_id, int tx_id);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700699extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
700extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
701extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
Tomas Winklera55360e2008-05-05 10:22:28 +0800702 struct iwl_rx_mem_buffer *rxb);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700703extern void iwl4965_disable_events(struct iwl_priv *priv);
704extern int iwl4965_get_temperature(const struct iwl_priv *priv);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800705
706/**
Tomas Winkler947b13a2008-04-16 16:34:48 -0700707 * iwl_find_station - Find station id for a given BSSID
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800708 * @bssid: MAC address of station ID to find
709 *
710 * NOTE: This should not be hardware specific but the code has
711 * not yet been merged into a single common layer for managing the
712 * station tables.
713 */
Tomas Winkler947b13a2008-04-16 16:34:48 -0700714extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800715
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700716extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
717extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
Tomas Winkler443cfd42008-05-15 13:53:57 +0800718extern int iwl_queue_space(const struct iwl_queue *q);
Tomas Winklerfd4abac2008-05-15 13:54:07 +0800719static inline int iwl_queue_used(const struct iwl_queue *q, int i)
720{
721 return q->write_ptr > q->read_ptr ?
722 (i >= q->read_ptr && i < q->write_ptr) :
723 !(i < q->read_ptr && i >= q->write_ptr);
724}
725
726
727static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
728{
729 /* This is for scan command, the big buffer at end of command array */
730 if (is_huge)
731 return q->n_window; /* must be power of 2 */
732
733 /* Otherwise, use normal size buffers */
734 return index & (q->n_window - 1);
735}
736
737
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700738struct iwl_priv;
Zhu Yib481de92007-09-25 17:54:57 -0700739
Mohamed Abbasad97edd2008-03-28 16:21:06 -0700740extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio);
Zhu Yib481de92007-09-25 17:54:57 -0700741/*
742 * Forward declare iwl-4965.c functions for iwl-base.c
743 */
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700744extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,
Ron Rindjunsky16466902008-05-05 10:22:50 +0800745 struct iwl_tx_queue *txq,
Zhu Yib481de92007-09-25 17:54:57 -0700746 u16 byte_cnt);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700747extern int iwl4965_alive_notify(struct iwl_priv *priv);
748extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700749extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
750extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
Ron Rindjunsky4c424e42008-03-04 18:09:27 -0800751 u32 rate_n_flags,
752 struct ieee80211_tx_control *control);
Zhu Yib481de92007-09-25 17:54:57 -0700753
Christoph Hellwigc8b0e6e2007-10-25 17:15:51 +0800754#ifdef CONFIG_IWL4965_HT
Guy Cohenfde0db32008-04-21 15:42:01 -0700755extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
756 struct ieee80211_ht_info *ht_info,
757 enum ieee80211_band band);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700758void iwl4965_set_rxon_ht(struct iwl_priv *priv,
Tomas Winkler78330fd2008-02-06 02:37:18 +0200759 struct iwl_ht_info *ht_info);
Tomas Winkler78330fd2008-02-06 02:37:18 +0200760int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
Ron Rindjunsky9ab46172007-12-25 17:00:38 +0200761 enum ieee80211_ampdu_mlme_action action,
Ron Rindjunsky0df3ef42008-01-28 14:07:15 +0200762 const u8 *addr, u16 tid, u16 *ssn);
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700763int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
Ron Rindjunskyfe01b472008-01-28 14:07:24 +0200764 u8 tid, int txq_id);
Tomas Winkler78330fd2008-02-06 02:37:18 +0200765#else
Guy Cohenfde0db32008-04-21 15:42:01 -0700766static inline void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
Assaf Krauss1ea87392008-03-18 14:57:50 -0700767 struct ieee80211_ht_info *ht_info,
Tomas Winkler78330fd2008-02-06 02:37:18 +0200768 enum ieee80211_band band) {}
769
Christoph Hellwigc8b0e6e2007-10-25 17:15:51 +0800770#endif /*CONFIG_IWL4965_HT */
Zhu Yib481de92007-09-25 17:54:57 -0700771/* Structures, enum, and defines specific to the 4965 */
772
Ron Rindjunsky16466902008-05-05 10:22:50 +0800773#define IWL_KW_SIZE 0x1000 /*4k */
Zhu Yib481de92007-09-25 17:54:57 -0700774
Ron Rindjunsky16466902008-05-05 10:22:50 +0800775struct iwl_kw {
Zhu Yib481de92007-09-25 17:54:57 -0700776 dma_addr_t dma_addr;
777 void *v_addr;
778 size_t size;
779};
780
Zhu Yib481de92007-09-25 17:54:57 -0700781#define IWL_CHANNEL_WIDTH_20MHZ 0
782#define IWL_CHANNEL_WIDTH_40MHZ 1
783
784#define IWL_MIMO_PS_STATIC 0
785#define IWL_MIMO_PS_NONE 3
786#define IWL_MIMO_PS_DYNAMIC 1
787#define IWL_MIMO_PS_INVALID 2
788
789#define IWL_OPERATION_MODE_AUTO 0
790#define IWL_OPERATION_MODE_HT_ONLY 1
791#define IWL_OPERATION_MODE_MIXED 2
792#define IWL_OPERATION_MODE_20MHZ 3
793
Guy Cohen134eb5d2008-03-04 18:09:25 -0800794#define IWL_EXT_CHANNEL_OFFSET_NONE 0
795#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
796#define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2
797#define IWL_EXT_CHANNEL_OFFSET_BELOW 3
Zhu Yib481de92007-09-25 17:54:57 -0700798
Tomas Winkler3195cdb2008-04-23 17:15:00 -0700799#define IWL_TX_CRC_SIZE 4
800#define IWL_TX_DELIMITER_SIZE 4
Zhu Yib481de92007-09-25 17:54:57 -0700801
Zhu Yib481de92007-09-25 17:54:57 -0700802#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
Zhu Yib481de92007-09-25 17:54:57 -0700803
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800804struct iwl4965_lq_mngr {
Zhu Yib481de92007-09-25 17:54:57 -0700805 spinlock_t lock;
806 s32 max_window_size;
807 s32 *expected_tpt;
808 u8 *next_higher_rate;
809 u8 *next_lower_rate;
810 unsigned long stamp;
811 unsigned long stamp_last;
812 u32 flush_time;
813 u32 tx_packets;
814 u8 lq_ready;
815};
816
Zhu Yib481de92007-09-25 17:54:57 -0700817/* Sensitivity and chain noise calibration */
818#define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
819#define INITIALIZATION_VALUE 0xFFFF
820#define CAL_NUM_OF_BEACONS 20
821#define MAXIMUM_ALLOWED_PATHLOSS 15
822
Zhu Yib481de92007-09-25 17:54:57 -0700823#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
824
825#define MAX_FA_OFDM 50
826#define MIN_FA_OFDM 5
827#define MAX_FA_CCK 50
828#define MIN_FA_CCK 5
829
Zhu Yib481de92007-09-25 17:54:57 -0700830#define AUTO_CORR_STEP_OFDM 1
831
Zhu Yib481de92007-09-25 17:54:57 -0700832#define AUTO_CORR_STEP_CCK 3
833#define AUTO_CORR_MAX_TH_CCK 160
834
Zhu Yib481de92007-09-25 17:54:57 -0700835#define NRG_DIFF 2
836#define NRG_STEP_CCK 2
837#define NRG_MARGIN 8
838#define MAX_NUMBER_CCK_NO_FA 100
839
840#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
841
842#define CHAIN_A 0
843#define CHAIN_B 1
844#define CHAIN_C 2
845#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
846#define ALL_BAND_FILTER 0xFF00
847#define IN_BAND_FILTER 0xFF
848#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
849
Tomas Winkler3195cdb2008-04-23 17:15:00 -0700850#define NRG_NUM_PREV_STAT_L 20
851#define NUM_RX_CHAINS 3
852
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800853enum iwl4965_false_alarm_state {
Zhu Yib481de92007-09-25 17:54:57 -0700854 IWL_FA_TOO_MANY = 0,
855 IWL_FA_TOO_FEW = 1,
856 IWL_FA_GOOD_RANGE = 2,
857};
858
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800859enum iwl4965_chain_noise_state {
Zhu Yib481de92007-09-25 17:54:57 -0700860 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
861 IWL_CHAIN_NOISE_ACCUMULATE = 1,
862 IWL_CHAIN_NOISE_CALIBRATED = 2,
863};
864
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800865enum iwl4965_calib_enabled_state {
Zhu Yib481de92007-09-25 17:54:57 -0700866 IWL_CALIB_DISABLED = 0, /* must be 0 */
867 IWL_CALIB_ENABLED = 1,
868};
869
870struct statistics_general_data {
871 u32 beacon_silence_rssi_a;
872 u32 beacon_silence_rssi_b;
873 u32 beacon_silence_rssi_c;
874 u32 beacon_energy_a;
875 u32 beacon_energy_b;
876 u32 beacon_energy_c;
877};
878
Ron Rindjunskydbb983b2008-05-15 13:54:12 +0800879enum ucode_type {
880 UCODE_NONE = 0,
881 UCODE_INIT,
882 UCODE_RT
883};
884
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700885#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
Zhu Yib481de92007-09-25 17:54:57 -0700886/* Sensitivity calib data */
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700887struct iwl_sensitivity_data {
Zhu Yib481de92007-09-25 17:54:57 -0700888 u32 auto_corr_ofdm;
889 u32 auto_corr_ofdm_mrc;
890 u32 auto_corr_ofdm_x1;
891 u32 auto_corr_ofdm_mrc_x1;
892 u32 auto_corr_cck;
893 u32 auto_corr_cck_mrc;
894
895 u32 last_bad_plcp_cnt_ofdm;
896 u32 last_fa_cnt_ofdm;
897 u32 last_bad_plcp_cnt_cck;
898 u32 last_fa_cnt_cck;
899
900 u32 nrg_curr_state;
901 u32 nrg_prev_state;
902 u32 nrg_value[10];
903 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
904 u32 nrg_silence_ref;
905 u32 nrg_energy_idx;
906 u32 nrg_silence_idx;
907 u32 nrg_th_cck;
908 s32 nrg_auto_corr_silence_diff;
909 u32 num_in_cck_no_fa;
910 u32 nrg_th_ofdm;
Zhu Yib481de92007-09-25 17:54:57 -0700911};
912
913/* Chain noise (differential Rx gain) calib data */
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700914struct iwl_chain_noise_data {
Zhu Yib481de92007-09-25 17:54:57 -0700915 u8 state;
916 u16 beacon_count;
917 u32 chain_noise_a;
918 u32 chain_noise_b;
919 u32 chain_noise_c;
920 u32 chain_signal_a;
921 u32 chain_signal_b;
922 u32 chain_signal_c;
923 u8 disconn_array[NUM_RX_CHAINS];
924 u8 delta_gain_code[NUM_RX_CHAINS];
925 u8 radio_write;
926};
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700927#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
Zhu Yib481de92007-09-25 17:54:57 -0700928
Ben Cahillabceddb2007-11-29 11:09:50 +0800929#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
930#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
Zhu Yib481de92007-09-25 17:54:57 -0700931
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800932
Christoph Hellwigc8b0e6e2007-10-25 17:15:51 +0800933#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800934
935enum {
936 MEASUREMENT_READY = (1 << 0),
937 MEASUREMENT_ACTIVE = (1 << 1),
938};
939
940#endif
941
Ron Rindjunskydfe7d452008-04-15 16:01:45 -0700942#define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
943
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700944struct iwl_priv {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800945
946 /* ieee device used by generic ieee processing code */
947 struct ieee80211_hw *hw;
948 struct ieee80211_channel *ieee_channels;
949 struct ieee80211_rate *ieee_rates;
Tomas Winkler82b9a122008-03-04 18:09:30 -0800950 struct iwl_cfg *cfg;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800951
952 /* temporary frame storage list */
953 struct list_head free_frames;
954 int frames_count;
955
Johannes Berg8318d782008-01-24 19:38:38 +0100956 enum ieee80211_band band;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800957 int alloc_rxb_skb;
Zhu Yi12342c42007-12-20 11:27:32 +0800958 bool add_radiotap;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800959
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700960 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
Tomas Winklera55360e2008-05-05 10:22:28 +0800961 struct iwl_rx_mem_buffer *rxb);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800962
Johannes Berg8318d782008-01-24 19:38:38 +0100963 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800964
Christoph Hellwigc8b0e6e2007-10-25 17:15:51 +0800965#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800966 /* spectrum measurement report caching */
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800967 struct iwl4965_spectrum_notification measure_report;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800968 u8 measurement_status;
969#endif
970 /* ucode beacon time */
971 u32 ucode_beacon_time;
972
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800973 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800974 * Access via channel # using indirect index array */
Assaf Kraussbf85ea42008-03-14 10:38:49 -0700975 struct iwl_channel_info *channel_info; /* channel info array */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800976 u8 channel_count; /* # of channels */
977
978 /* each calibration channel group in the EEPROM has a derived
979 * clip setting for each rate. */
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800980 const struct iwl4965_clip_group clip_groups[5];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800981
982 /* thermal calibration */
983 s32 temperature; /* degrees Kelvin */
984 s32 last_temperature;
985
986 /* Scan related variables */
987 unsigned long last_scan_jiffies;
Mohamed Abbas7878a5a2007-11-29 11:10:13 +0800988 unsigned long next_scan_jiffies;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800989 unsigned long scan_start;
990 unsigned long scan_pass_start;
991 unsigned long scan_start_tsf;
992 int scan_bands;
993 int one_direct_scan;
994 u8 direct_ssid_len;
995 u8 direct_ssid[IW_ESSID_MAX_SIZE];
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800996 struct iwl4965_scan_cmd *scan;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800997
998 /* spinlock */
999 spinlock_t lock; /* protect general shared data */
1000 spinlock_t hcmd_lock; /* protect hcmd */
1001 struct mutex mutex;
1002
1003 /* basic pci-network driver stuff */
1004 struct pci_dev *pci_dev;
1005
1006 /* pci hardware address support */
1007 void __iomem *hw_base;
Tomas Winklerb661c812008-04-23 17:14:54 -07001008 u32 hw_rev;
1009 u32 hw_wa_rev;
1010 u8 rev_id;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001011
1012 /* uCode images, save to reload in case of failure */
1013 struct fw_desc ucode_code; /* runtime inst */
1014 struct fw_desc ucode_data; /* runtime data original */
1015 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1016 struct fw_desc ucode_init; /* initialization inst */
1017 struct fw_desc ucode_init_data; /* initialization data */
1018 struct fw_desc ucode_boot; /* bootstrap inst */
Ron Rindjunskydbb983b2008-05-15 13:54:12 +08001019 enum ucode_type ucode_type;
1020 u8 ucode_write_complete; /* the image write is complete */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001021
1022
Christoph Hellwigbb8c0932008-01-27 16:41:47 -08001023 struct iwl4965_rxon_time_cmd rxon_timing;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001024
1025 /* We declare this const so it can only be
1026 * changed via explicit cast within the
1027 * routines that actually update the physical
1028 * hardware */
Gregory Greenmanc1adf9f2008-05-15 13:53:59 +08001029 const struct iwl_rxon_cmd active_rxon;
1030 struct iwl_rxon_cmd staging_rxon;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001031
1032 int error_recovering;
Gregory Greenmanc1adf9f2008-05-15 13:53:59 +08001033 struct iwl_rxon_cmd recovery_rxon;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001034
1035 /* 1st responses from initialize and runtime uCode images.
1036 * 4965's initialize alive response contains some calibration data. */
Christoph Hellwigbb8c0932008-01-27 16:41:47 -08001037 struct iwl4965_init_alive_resp card_alive_init;
1038 struct iwl4965_alive_resp card_alive;
Reinette Chatreeadd3c42008-04-14 21:16:12 -07001039#ifdef CONFIG_IWLWIFI_RFKILL
Mohamed Abbasad97edd2008-03-28 16:21:06 -07001040 struct iwl_rfkill_mngr rfkill_mngr;
1041#endif
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001042
Reinette Chatre36316122008-04-02 10:50:35 -07001043#ifdef CONFIG_IWLWIFI_LEDS
Mohamed Abbasab53d8a2008-03-25 16:33:36 -07001044 struct iwl4965_led led[IWL_LED_TRG_MAX];
1045 unsigned long last_blink_time;
1046 u8 last_blink_rate;
1047 u8 allow_blinking;
1048 u64 led_tpt;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001049#endif
1050
1051 u16 active_rate;
1052 u16 active_rate_basic;
1053
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001054 u8 assoc_station_added;
1055 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001056 u8 start_calib;
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -07001057#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1058 struct iwl_sensitivity_data sensitivity_data;
1059 struct iwl_chain_noise_data chain_noise_data;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001060 __le16 sensitivity_tbl[HD_TABLE_SIZE];
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -07001061#endif /*CONFIG_IWLWIFI_RUN_TIME_CALIB*/
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001062
Christoph Hellwigc8b0e6e2007-10-25 17:15:51 +08001063#ifdef CONFIG_IWL4965_HT
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +02001064 struct iwl_ht_info current_ht_config;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001065#endif
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001066 u8 last_phy_res[100];
1067
1068 /* Rate scaling data */
Christoph Hellwigbb8c0932008-01-27 16:41:47 -08001069 struct iwl4965_lq_mngr lq_mngr;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001070
1071 /* Rate scaling data */
1072 s8 data_retry_limit;
1073 u8 retry_rate;
1074
1075 wait_queue_head_t wait_command_queue;
1076
1077 int activity_timer_active;
1078
1079 /* Rx and Tx DMA processing queues */
Tomas Winklera55360e2008-05-05 10:22:28 +08001080 struct iwl_rx_queue rxq;
Ron Rindjunsky16466902008-05-05 10:22:50 +08001081 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001082 unsigned long txq_ctx_active_msk;
Ron Rindjunsky16466902008-05-05 10:22:50 +08001083 struct iwl_kw kw; /* keep warm address */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001084 u32 scd_base_addr; /* scheduler sram base address */
1085
1086 unsigned long status;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001087
1088 int last_rx_rssi; /* From Rx packet statisitics */
1089 int last_rx_noise; /* From beacon statistics */
1090
Tomas Winkler19758be2008-03-12 16:58:51 -07001091 /* counts mgmt, ctl, and data packets */
1092 struct traffic_stats {
1093 u32 cnt;
1094 u64 bytes;
1095 } tx_stats[3], rx_stats[3];
1096
Mohamed Abbas5da4b552008-04-21 15:41:51 -07001097 struct iwl_power_mgr power_data;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001098
Christoph Hellwigbb8c0932008-01-27 16:41:47 -08001099 struct iwl4965_notif_statistics statistics;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001100 unsigned long last_statistics_time;
1101
1102 /* context information */
1103 u8 essid[IW_ESSID_MAX_SIZE];
1104 u8 essid_len;
1105 u16 rates_mask;
1106
1107 u32 power_mode;
1108 u32 antenna;
1109 u8 bssid[ETH_ALEN];
1110 u16 rts_threshold;
1111 u8 mac_addr[ETH_ALEN];
1112
1113 /*station table variables */
1114 spinlock_t sta_lock;
1115 int num_stations;
Tomas Winkler6def9762008-05-05 10:22:31 +08001116 struct iwl_station_entry stations[IWL_STATION_COUNT];
Emmanuel Grumbach6974e362008-04-14 21:16:06 -07001117 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1118 u8 default_wep_key;
1119 u8 key_mapping_key;
Emmanuel Grumbach80fb47a2008-04-14 21:16:08 -07001120 unsigned long ucode_key_table;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001121
1122 /* Indication if ieee80211_ops->open has been called */
Tomas Winkler69dc5d92008-03-25 16:33:41 -07001123 u8 is_open;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001124
1125 u8 mac80211_registered;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001126
1127 u32 notif_missed_beacons;
1128
1129 /* Rx'd packet timing information */
1130 u32 last_beacon_time;
1131 u64 last_tsf;
1132
1133 /* Duplicate packet detection */
1134 u16 last_seq_num;
1135 u16 last_frag_num;
1136 unsigned long last_packet_time;
Ben Cahillbc472792007-11-29 11:09:49 +08001137
1138 /* Hash table for finding stations in IBSS network */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001139 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
1140
1141 /* eeprom */
Tomas Winkler073d3f52008-04-21 15:41:52 -07001142 u8 *eeprom;
1143 struct iwl_eeprom_calib_info *calib_info;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001144
Tomas Winkler69dc5d92008-03-25 16:33:41 -07001145 enum ieee80211_if_types iw_mode;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001146
1147 struct sk_buff *ibss_beacon;
1148
1149 /* Last Rx'd beacon timestamp */
Tomas Winkler3109ece2008-03-28 16:33:35 -07001150 u64 timestamp;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001151 u16 beacon_int;
Johannes Berg32bfd352007-12-19 01:31:26 +01001152 struct ieee80211_vif *vif;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001153
Tomas Winkler5425e492008-04-15 16:01:38 -07001154 struct iwl_hw_params hw_params;
Tomas Winkler059ff822008-04-14 21:16:14 -07001155 /* driver/uCode shared Tx Byte Counts and Rx status */
1156 void *shared_virt;
Ron Rindjunskyd67f5482008-05-05 10:22:49 +08001157 int rb_closed_offset;
Tomas Winkler059ff822008-04-14 21:16:14 -07001158 /* Physical Pointer to Tx Byte Counts and Rx status */
1159 dma_addr_t shared_phys;
1160
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001161 /* Current association information needed to configure the
1162 * hardware */
1163 u16 assoc_id;
1164 u16 assoc_capability;
1165 u8 ps_mode;
1166
Christoph Hellwigbb8c0932008-01-27 16:41:47 -08001167 struct iwl4965_qos_info qos_data;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001168
1169 struct workqueue_struct *workqueue;
1170
1171 struct work_struct up;
1172 struct work_struct restart;
1173 struct work_struct calibrated_work;
1174 struct work_struct scan_completed;
1175 struct work_struct rx_replenish;
1176 struct work_struct rf_kill;
1177 struct work_struct abort_scan;
1178 struct work_struct update_link_led;
1179 struct work_struct auth_work;
1180 struct work_struct report_work;
1181 struct work_struct request_scan;
1182 struct work_struct beacon_update;
Abhijeet Kolekar4419e392008-05-05 10:22:47 +08001183 struct work_struct set_monitor;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001184
1185 struct tasklet_struct irq_tasklet;
1186
1187 struct delayed_work init_alive_start;
1188 struct delayed_work alive_start;
1189 struct delayed_work activity_timer;
1190 struct delayed_work thermal_periodic;
1191 struct delayed_work gather_stats;
1192 struct delayed_work scan_check;
1193 struct delayed_work post_associate;
1194
1195#define IWL_DEFAULT_TX_POWER 0x0F
1196 s8 user_txpower_limit;
1197 s8 max_channel_txpower_limit;
1198
1199#ifdef CONFIG_PM
1200 u32 pm_state[16];
1201#endif
1202
Tomas Winkler0a6857e2008-03-12 16:58:49 -07001203#ifdef CONFIG_IWLWIFI_DEBUG
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001204 /* debugging info */
Ester Kummerbf403db2008-05-05 10:22:40 +08001205 u32 debug_level;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001206 u32 framecnt_to_us;
1207 atomic_t restrict_refcnt;
Tomas Winkler712b6cf2008-03-12 16:58:52 -07001208#ifdef CONFIG_IWLWIFI_DEBUGFS
1209 /* debugfs */
1210 struct iwl_debugfs *dbgfs;
1211#endif /* CONFIG_IWLWIFI_DEBUGFS */
1212#endif /* CONFIG_IWLWIFI_DEBUG */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001213
1214 struct work_struct txpower_work;
Tomas Winkler445c2df2008-05-15 13:54:16 +08001215#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1216 u32 disable_sens_cal;
1217 u32 disable_chain_noise_cal;
1218#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -07001219#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001220 struct work_struct sensitivity_work;
Tomas Winkler445c2df2008-05-15 13:54:16 +08001221#endif /* CONFIG_IWL4965_RUN_TIME_CALIB */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001222 struct timer_list statistics_periodic;
Tomas Winklerc79dd5b2008-03-12 16:58:50 -07001223}; /*iwl_priv */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001224
Ron Rindjunsky36470742008-05-15 13:54:10 +08001225static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1226{
1227 set_bit(txq_id, &priv->txq_ctx_active_msk);
1228}
1229
1230static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1231{
1232 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1233}
1234
Tomas Winkler3109ece2008-03-28 16:33:35 -07001235static inline int iwl_is_associated(struct iwl_priv *priv)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001236{
1237 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1238}
1239
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001240static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001241{
1242 if (ch_info == NULL)
1243 return 0;
1244 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1245}
1246
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001247static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001248{
1249 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1250}
1251
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001252static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001253{
Johannes Berg8318d782008-01-24 19:38:38 +01001254 return ch_info->band == IEEE80211_BAND_5GHZ;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001255}
1256
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001257static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001258{
Johannes Berg8318d782008-01-24 19:38:38 +01001259 return ch_info->band == IEEE80211_BAND_2GHZ;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001260}
1261
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001262static inline int is_channel_passive(const struct iwl_channel_info *ch)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001263{
1264 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1265}
1266
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001267static inline int is_channel_ibss(const struct iwl_channel_info *ch)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001268{
1269 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1270}
1271
Ester Kummerbf403db2008-05-05 10:22:40 +08001272#ifdef CONFIG_IWLWIFI_DEBUG
1273static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1274 void *p, u32 len)
1275{
1276 if (!(priv->debug_level & level))
1277 return;
1278
1279 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1280 p, len, 1);
1281}
1282#else
1283static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1284 void *p, u32 len)
1285{
1286}
1287#endif
1288
Assaf Krauss8622e702008-03-21 13:53:43 -07001289extern const struct iwl_channel_info *iwl_get_channel_info(
Tomas Winklerc79dd5b2008-03-12 16:58:50 -07001290 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001291
Tomas Winklerc79dd5b2008-03-12 16:58:50 -07001292/* Requires full declaration of iwl_priv before including */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001293
Christoph Hellwigbb8c0932008-01-27 16:41:47 -08001294#endif /* __iwl4965_4965_h__ */