blob: 1ad4d084e357d92cdc94ed1d335aed8e7ed4712c [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:
Winkler, Tomas759ef892008-12-09 11:28:58 -080022 * Intel Linux Wireless <ilw@linux.intel.com>
Zhu Yib481de92007-09-25 17:54:57 -070023 * 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
Emmanuel Grumbachbe1f3ab62008-06-12 09:47:18 +080032#ifndef __iwl_dev_h__
33#define __iwl_dev_h__
Zhu Yib481de92007-09-25 17:54:57 -070034
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
Assaf Krauss6bc913b2008-03-11 16:17:18 -070039#include "iwl-eeprom.h"
Winkler, Tomasdbb66542008-12-22 11:31:14 +080040#include "iwl-csr.h"
41#include "iwl-prph.h"
42#include "iwl-fh.h"
43#include "iwl-debug.h"
44#include "iwl-rfkill.h"
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080045#include "iwl-4965-hw.h"
Samuel Ortizd20b3c62008-12-19 10:37:15 +080046#include "iwl-3945-hw.h"
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +080047#include "iwl-3945-led.h"
Mohamed Abbasab53d8a2008-03-25 16:33:36 -070048#include "iwl-led.h"
Mohamed Abbas5da4b552008-04-21 15:41:51 -070049#include "iwl-power.h"
Tomas Winklere227cea2008-07-18 13:53:05 +080050#include "iwl-agn-rs.h"
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080051
Ron Rindjunskyfed90172008-04-15 16:01:41 -070052/* configuration for the iwl4965 */
53extern struct iwl_cfg iwl4965_agn_cfg;
Tomas Winkler5a6a2562008-04-24 11:55:23 -070054extern struct iwl_cfg iwl5300_agn_cfg;
55extern struct iwl_cfg iwl5100_agn_cfg;
56extern struct iwl_cfg iwl5350_agn_cfg;
Esti Kummer47408632008-07-11 11:53:30 +080057extern struct iwl_cfg iwl5100_bg_cfg;
58extern struct iwl_cfg iwl5100_abg_cfg;
Tomas Winkler7100e922008-12-01 16:32:18 -080059extern struct iwl_cfg iwl5150_agn_cfg;
Ron Rindjunskyfed90172008-04-15 16:01:41 -070060
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 {
Johannes Berg40185172008-11-18 01:47:21 +010095 dma_addr_t real_dma_addr;
96 dma_addr_t aligned_dma_addr;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +080097 struct sk_buff *skb;
98 struct list_head list;
99};
100
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800101/*
102 * Generic queue structure
103 *
104 * Contains common data for Rx and Tx queues
105 */
Tomas Winkler443cfd42008-05-15 13:53:57 +0800106struct iwl_queue {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800107 int n_bd; /* number of BDs in this queue */
108 int write_ptr; /* 1-st empty entry (index) host_w*/
109 int read_ptr; /* last used entry (index) host_r*/
110 dma_addr_t dma_addr; /* physical addr for BD's */
111 int n_window; /* safe queue window */
112 u32 id;
113 int low_mark; /* low watermark, resume queue if free
114 * space more than this */
115 int high_mark; /* high watermark, stop queue if free
116 * space less than this */
117} __attribute__ ((packed));
118
Ben Cahillbc472792007-11-29 11:09:49 +0800119/* One for each TFD */
Tomas Winkler8567c632008-05-15 13:53:58 +0800120struct iwl_tx_info {
Tomas Winkler499b1882008-10-14 12:32:48 -0700121 struct sk_buff *skb[IWL_NUM_OF_TBS - 1];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800122};
123
124/**
Ron Rindjunsky16466902008-05-05 10:22:50 +0800125 * struct iwl_tx_queue - Tx Queue for DMA
Ben Cahillbc472792007-11-29 11:09:49 +0800126 * @q: generic Rx/Tx queue descriptor
127 * @bd: base of circular buffer of TFDs
128 * @cmd: array of command/Tx buffers
129 * @dma_addr_cmd: physical address of cmd/tx buffer array
130 * @txb: array of per-TFD driver data
131 * @need_update: indicates need to update read/write index
132 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800133 *
Ben Cahillbc472792007-11-29 11:09:49 +0800134 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
135 * descriptors) and required locking structures.
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800136 */
Ron Rindjunsky16466902008-05-05 10:22:50 +0800137struct iwl_tx_queue {
Tomas Winkler443cfd42008-05-15 13:53:57 +0800138 struct iwl_queue q;
Tomas Winkler499b1882008-10-14 12:32:48 -0700139 struct iwl_tfd *tfds;
Gregory Greenmanda99c4b2008-08-04 16:00:40 +0800140 struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
Tomas Winkler8567c632008-05-15 13:53:58 +0800141 struct iwl_tx_info *txb;
Tomas Winkler3fd07a12008-10-23 23:48:49 -0700142 u8 need_update;
143 u8 sched_retry;
144 u8 active;
145 u8 swq_id;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800146};
147
148#define IWL_NUM_SCAN_RATES (2)
149
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800150struct iwl4965_channel_tgd_info {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800151 u8 type;
152 s8 max_power;
153};
154
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800155struct iwl4965_channel_tgh_info {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800156 s64 last_radar_time;
157};
158
Samuel Ortizd20b3c62008-12-19 10:37:15 +0800159#define IWL4965_MAX_RATE (33)
160
Kolekar, Abhijeet85d41492008-12-19 10:37:20 +0800161struct iwl3945_clip_group {
162 /* maximum power level to prevent clipping for each rate, derived by
163 * us from this band's saturation power in EEPROM */
164 const s8 clip_powers[IWL_MAX_RATES];
165};
166
Samuel Ortizd20b3c62008-12-19 10:37:15 +0800167/* current Tx power values to use, one for each rate for each channel.
168 * requested power is limited by:
169 * -- regulatory EEPROM limits for this channel
170 * -- hardware capabilities (clip-powers)
171 * -- spectrum management
172 * -- user preference (e.g. iwconfig)
173 * when requested power is set, base power index must also be set. */
174struct iwl3945_channel_power_info {
175 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
176 s8 power_table_index; /* actual (compenst'd) index into gain table */
177 s8 base_power_index; /* gain index for power at factory temp. */
178 s8 requested_power; /* power (dBm) requested for this chnl/rate */
179};
180
181/* current scan Tx power values to use, one for each scan rate for each
182 * channel. */
183struct iwl3945_scan_power_info {
184 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
185 s8 power_table_index; /* actual (compenst'd) index into gain table */
186 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
187};
188
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800189/*
190 * One for each channel, holds all channel setup data
191 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
192 * with one another!
193 */
Assaf Kraussbf85ea42008-03-14 10:38:49 -0700194struct iwl_channel_info {
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800195 struct iwl4965_channel_tgd_info tgd;
196 struct iwl4965_channel_tgh_info tgh;
Tomas Winkler073d3f52008-04-21 15:41:52 -0700197 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
198 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
199 * FAT channel */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800200
201 u8 channel; /* channel number */
202 u8 flags; /* flags copied from EEPROM */
203 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
Ben Cahillfcd427b2007-11-29 11:10:00 +0800204 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800205 s8 min_power; /* always 0 */
206 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
207
208 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
209 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
Johannes Berg8318d782008-01-24 19:38:38 +0100210 enum ieee80211_band band;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800211
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800212 /* FAT channel info */
213 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
214 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
215 s8 fat_min_power; /* always 0 */
216 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
217 u8 fat_flags; /* flags copied from EEPROM */
Ben Cahillfcd427b2007-11-29 11:10:00 +0800218 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
Samuel Ortizd20b3c62008-12-19 10:37:15 +0800219
220 /* Radio/DSP gain settings for each "normal" data Tx rate.
221 * These include, in addition to RF and DSP gain, a few fields for
222 * remembering/modifying gain settings (indexes). */
223 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
224
225 /* Radio/DSP gain settings for each scan rate, for directed scans. */
226 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800227};
228
Kolekar, Abhijeet85d41492008-12-19 10:37:20 +0800229/**
230 * struct iwl3945_tx_queue - Tx Queue for DMA
231 * @q: generic Rx/Tx queue descriptor
232 * @bd: base of circular buffer of TFDs
233 * @cmd: array of command/Tx buffers
234 * @dma_addr_cmd: physical address of cmd/tx buffer array
235 * @txb: array of per-TFD driver data
236 * @need_update: indicates need to update read/write index
237 *
238 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
239 * descriptors) and required locking structures.
240 */
241struct iwl3945_tx_queue {
242 struct iwl_queue q;
Winkler, Tomasdbb66542008-12-22 11:31:14 +0800243 struct iwl3945_tfd *tfds;
Winkler, Tomasc2d79b482008-12-19 10:37:34 +0800244 struct iwl_cmd *cmd;
Kolekar, Abhijeet85d41492008-12-19 10:37:20 +0800245 dma_addr_t dma_addr_cmd;
Winkler, Tomasdbb66542008-12-22 11:31:14 +0800246 struct iwl_tx_info *txb;
Kolekar, Abhijeet85d41492008-12-19 10:37:20 +0800247 int need_update;
248 int active;
249};
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800250
251#define IWL_TX_FIFO_AC0 0
252#define IWL_TX_FIFO_AC1 1
253#define IWL_TX_FIFO_AC2 2
254#define IWL_TX_FIFO_AC3 3
255#define IWL_TX_FIFO_HCCA_1 5
256#define IWL_TX_FIFO_HCCA_2 6
257#define IWL_TX_FIFO_NONE 7
258
259/* Minimum number of queues. MAX_NUM is defined in hw specific files */
260#define IWL_MIN_NUM_QUEUES 4
261
262/* Power management (not Tx power) structures */
263
Tomas Winkler6f4083a2008-04-16 16:34:49 -0700264enum iwl_pwr_src {
265 IWL_PWR_SRC_VMAIN,
266 IWL_PWR_SRC_VAUX,
267};
268
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800269#define IEEE80211_DATA_LEN 2304
270#define IEEE80211_4ADDR_LEN 30
271#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
272#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
273
Tomas Winklerfcab4232008-05-15 13:54:01 +0800274struct iwl_frame {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800275 union {
276 struct ieee80211_hdr frame;
Tomas Winkler4bf64ef2008-07-18 13:53:03 +0800277 struct iwl_tx_beacon_cmd beacon;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800278 u8 raw[IEEE80211_FRAME_LEN];
279 u8 cmd[360];
280 } u;
281 struct list_head list;
282};
283
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800284#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
285#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
286#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
287
288enum {
289 /* CMD_SIZE_NORMAL = 0, */
290 CMD_SIZE_HUGE = (1 << 0),
291 /* CMD_SYNC = 0, */
292 CMD_ASYNC = (1 << 1),
293 /* CMD_NO_SKB = 0, */
294 CMD_WANT_SKB = (1 << 2),
295};
296
Tomas Winkler857485c2008-03-21 13:53:44 -0700297struct iwl_cmd;
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700298struct iwl_priv;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800299
Tomas Winkler857485c2008-03-21 13:53:44 -0700300struct iwl_cmd_meta {
301 struct iwl_cmd_meta *source;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800302 union {
303 struct sk_buff *skb;
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700304 int (*callback)(struct iwl_priv *priv,
Tomas Winkler857485c2008-03-21 13:53:44 -0700305 struct iwl_cmd *cmd, struct sk_buff *skb);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800306 } __attribute__ ((packed)) u;
307
308 /* The CMD_SIZE_HUGE flag bit indicates that the command
309 * structure is stored at the end of the shared queue memory. */
310 u32 flags;
Tomas Winkler499b1882008-10-14 12:32:48 -0700311 DECLARE_PCI_UNMAP_ADDR(mapping)
312 DECLARE_PCI_UNMAP_LEN(len)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800313} __attribute__ ((packed));
314
Emmanuel Grumbachd2f18bf2008-05-29 16:35:27 +0800315#define IWL_CMD_MAX_PAYLOAD 320
Ron Rindjunskybd68fb62008-05-29 16:34:49 +0800316
Ben Cahillbc472792007-11-29 11:09:49 +0800317/**
Tomas Winkler857485c2008-03-21 13:53:44 -0700318 * struct iwl_cmd
Ben Cahillbc472792007-11-29 11:09:49 +0800319 *
320 * For allocation of the command and tx queues, this establishes the overall
321 * size of the largest command we send to uCode, except for a scan command
322 * (which is relatively huge; space is allocated separately).
323 */
Tomas Winkler857485c2008-03-21 13:53:44 -0700324struct iwl_cmd {
325 struct iwl_cmd_meta meta; /* driver data */
326 struct iwl_cmd_header hdr; /* uCode API */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800327 union {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800328 u32 flags;
329 u8 val8;
330 u16 val16;
331 u32 val32;
Tomas Winkler83d527d2008-05-15 13:54:05 +0800332 struct iwl_tx_cmd tx;
Ron Rindjunskybd68fb62008-05-29 16:34:49 +0800333 u8 payload[IWL_CMD_MAX_PAYLOAD];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800334 } __attribute__ ((packed)) cmd;
335} __attribute__ ((packed));
336
Tomas Winkler3257e5d2008-10-14 12:32:43 -0700337
Tomas Winkler857485c2008-03-21 13:53:44 -0700338struct iwl_host_cmd {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800339 u8 id;
340 u16 len;
Tomas Winkler857485c2008-03-21 13:53:44 -0700341 struct iwl_cmd_meta meta;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800342 const void *data;
343};
344
Tomas Winkler857485c2008-03-21 13:53:44 -0700345#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
346 sizeof(struct iwl_cmd_meta))
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800347
348/*
349 * RX related structures and functions
350 */
351#define RX_FREE_BUFFERS 64
352#define RX_LOW_WATERMARK 8
353
354#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
355#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
356#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
357
358/**
Tomas Winklera55360e2008-05-05 10:22:28 +0800359 * struct iwl_rx_queue - Rx queue
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800360 * @read: Shared index to newest available Rx buffer
361 * @write: Shared index to oldest written Rx packet
362 * @free_count: Number of pre-allocated buffers in rx_free
363 * @rx_free: list of free SKBs for use
364 * @rx_used: List of Rx buffers with no SKB
365 * @need_update: flag to indicate we need to update read/write index
366 *
Tomas Winklera55360e2008-05-05 10:22:28 +0800367 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800368 */
Tomas Winklera55360e2008-05-05 10:22:28 +0800369struct iwl_rx_queue {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800370 __le32 *bd;
371 dma_addr_t dma_addr;
Tomas Winklera55360e2008-05-05 10:22:28 +0800372 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
373 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800374 u32 read;
375 u32 write;
376 u32 free_count;
377 struct list_head rx_free;
378 struct list_head rx_used;
379 int need_update;
Winkler, Tomas8d864222008-11-07 09:58:39 -0800380 struct iwl_rb_status *rb_stts;
381 dma_addr_t rb_stts_dma;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800382 spinlock_t lock;
383};
384
385#define IWL_SUPPORTED_RATES_IE_LEN 8
386
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800387#define MAX_TID_COUNT 9
388
389#define IWL_INVALID_RATE 0xFF
390#define IWL_INVALID_VALUE -1
391
Ben Cahillbc472792007-11-29 11:09:49 +0800392/**
Tomas Winkler6def9762008-05-05 10:22:31 +0800393 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
Ben Cahillbc472792007-11-29 11:09:49 +0800394 * @txq_id: Tx queue used for Tx attempt
395 * @frame_count: # frames attempted by Tx command
396 * @wait_for_ba: Expect block-ack before next Tx reply
397 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
398 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
399 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
400 * @rate_n_flags: Rate at which Tx was attempted
401 *
402 * If REPLY_TX indicates that aggregation was attempted, driver must wait
403 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
404 * until block ack arrives.
405 */
Tomas Winkler6def9762008-05-05 10:22:31 +0800406struct iwl_ht_agg {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800407 u16 txq_id;
408 u16 frame_count;
409 u16 wait_for_ba;
410 u16 start_idx;
Ron Rindjunskyfe01b472008-01-28 14:07:24 +0200411 u64 bitmap;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800412 u32 rate_n_flags;
Ron Rindjunskyfe01b472008-01-28 14:07:24 +0200413#define IWL_AGG_OFF 0
414#define IWL_AGG_ON 1
415#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
416#define IWL_EMPTYING_HW_QUEUE_DELBA 3
417 u8 state;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800418};
Ron Rindjunskyfe01b472008-01-28 14:07:24 +0200419
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800420
Tomas Winkler6def9762008-05-05 10:22:31 +0800421struct iwl_tid_data {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800422 u16 seq_number;
Ron Rindjunskyfe01b472008-01-28 14:07:24 +0200423 u16 tfds_in_queue;
Tomas Winkler6def9762008-05-05 10:22:31 +0800424 struct iwl_ht_agg agg;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800425};
426
Tomas Winkler6def9762008-05-05 10:22:31 +0800427struct iwl_hw_key {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800428 enum ieee80211_key_alg alg;
429 int keylen;
Emmanuel Grumbach0211ddd2008-04-14 21:16:07 -0700430 u8 keyidx;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800431 u8 key[32];
432};
433
Kolekar, Abhijeeta78fe752008-12-19 10:37:21 +0800434union iwl_ht_rate_supp {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800435 u16 rates;
436 struct {
437 u8 siso_rate;
438 u8 mimo_rate;
439 };
440};
441
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800442#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800443#define CFG_HT_MPDU_DENSITY_2USEC (0x5)
444#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
445
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +0200446struct iwl_ht_info {
447 /* self configuration data */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800448 u8 is_ht;
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +0200449 u8 supported_chan_width;
Ron Rindjunsky12837be2008-09-03 11:26:47 +0800450 u8 sm_ps;
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +0200451 u8 is_green_field;
Tomas Winklerbb542442007-12-05 20:59:59 +0200452 u8 sgf; /* HT_SHORT_GI_* short guard interval */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800453 u8 max_amsdu_size;
454 u8 ampdu_factor;
455 u8 mpdu_density;
Johannes Bergd9fe60d2008-10-09 12:13:49 +0200456 struct ieee80211_mcs_info mcs;
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +0200457 /* BSS related data */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800458 u8 extension_chan_offset;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800459 u8 tx_chan_width;
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +0200460 u8 ht_protection;
461 u8 non_GF_STA_present;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800462};
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800463
Emmanuel Grumbach1ff50bd2008-07-11 11:53:34 +0800464union iwl_qos_capabity {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800465 struct {
466 u8 edca_count:4; /* bit 0-3 */
467 u8 q_ack:1; /* bit 4 */
468 u8 queue_request:1; /* bit 5 */
469 u8 txop_request:1; /* bit 6 */
470 u8 reserved:1; /* bit 7 */
471 } q_AP;
472 struct {
473 u8 acvo_APSD:1; /* bit 0 */
474 u8 acvi_APSD:1; /* bit 1 */
475 u8 ac_bk_APSD:1; /* bit 2 */
476 u8 ac_be_APSD:1; /* bit 3 */
477 u8 q_ack:1; /* bit 4 */
478 u8 max_len:2; /* bit 5-6 */
479 u8 more_data_ack:1; /* bit 7 */
480 } q_STA;
481 u8 val;
482};
483
484/* QoS structures */
Emmanuel Grumbach1ff50bd2008-07-11 11:53:34 +0800485struct iwl_qos_info {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800486 int qos_active;
Emmanuel Grumbach1ff50bd2008-07-11 11:53:34 +0800487 union iwl_qos_capabity qos_cap;
488 struct iwl_qosparam_cmd def_qos_parm;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800489};
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800490
491#define STA_PS_STATUS_WAKE 0
492#define STA_PS_STATUS_SLEEP 1
493
Kolekar, Abhijeet85d41492008-12-19 10:37:20 +0800494struct iwl3945_tid_data {
495 u16 seq_number;
496};
497
498struct iwl3945_hw_key {
499 enum ieee80211_key_alg alg;
500 int keylen;
501 u8 key[32];
502};
503
504struct iwl3945_station_entry {
505 struct iwl3945_addsta_cmd sta;
506 struct iwl3945_tid_data tid[MAX_TID_COUNT];
507 u8 used;
508 u8 ps_status;
509 struct iwl3945_hw_key keyinfo;
510};
511
Tomas Winkler6def9762008-05-05 10:22:31 +0800512struct iwl_station_entry {
Tomas Winkler133636d2008-05-05 10:22:34 +0800513 struct iwl_addsta_cmd sta;
Tomas Winkler6def9762008-05-05 10:22:31 +0800514 struct iwl_tid_data tid[MAX_TID_COUNT];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800515 u8 used;
516 u8 ps_status;
Tomas Winkler6def9762008-05-05 10:22:31 +0800517 struct iwl_hw_key keyinfo;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800518};
519
520/* one for each uCode image (inst/data, boot/init/runtime) */
521struct fw_desc {
522 void *v_addr; /* access by driver */
523 dma_addr_t p_addr; /* access by card's busmaster DMA */
524 u32 len; /* bytes */
525};
526
527/* uCode file layout */
Ron Rindjunsky14b3d332008-06-13 15:44:54 +0800528struct iwl_ucode {
Chatre, Reinettec02b3ac2008-12-02 12:14:05 -0800529 __le32 ver; /* major/minor/API/serial */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800530 __le32 inst_size; /* bytes of runtime instructions */
531 __le32 data_size; /* bytes of runtime data */
532 __le32 init_size; /* bytes of initialization instructions */
533 __le32 init_data_size; /* bytes of initialization data */
534 __le32 boot_size; /* bytes of bootstrap instructions */
535 u8 data[0]; /* data in same order as "size" elements */
536};
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
Tomas Winklerb5047f72008-12-11 10:33:39 -0800570#define KELVIN_TO_CELSIUS(x) ((x)-273)
571#define CELSIUS_TO_KELVIN(x) ((x)+273)
572
573
Ben Cahillbc472792007-11-29 11:09:49 +0800574/**
Tomas Winkler5425e492008-04-15 16:01:38 -0700575 * struct iwl_hw_params
Ben Cahillbc472792007-11-29 11:09:49 +0800576 * @max_txq_num: Max # Tx queues supported
Zhu Yif3f911d2008-12-02 12:14:04 -0800577 * @dma_chnl_num: Number of Tx DMA/FIFO channels
Tomas Winkler4ddbb7d2008-11-07 09:58:40 -0800578 * @scd_bc_tbls_size: size of scheduler byte count tables
Ron Rindjunsky099b40b2008-04-21 15:41:53 -0700579 * @tx/rx_chains_num: Number of TX/RX chains
580 * @valid_tx/rx_ant: usable antennas
Ben Cahillbc472792007-11-29 11:09:49 +0800581 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
Ben Cahillbc472792007-11-29 11:09:49 +0800582 * @max_rxq_log: Log-base-2 of max_rxq_size
Ron Rindjunsky099b40b2008-04-21 15:41:53 -0700583 * @rx_buf_size: Rx buffer size
Ben Cahillbc472792007-11-29 11:09:49 +0800584 * @max_stations:
585 * @bcast_sta_id:
Ron Rindjunsky099b40b2008-04-21 15:41:53 -0700586 * @fat_channel: is 40MHz width possible in band 2.4
587 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
588 * @sw_crypto: 0 for hw, 1 for sw
589 * @max_xxx_size: for ucode uses
590 * @ct_kill_threshold: temperature threshold
Tomas Winklera96a27f2008-10-23 23:48:56 -0700591 * @calib_init_cfg: setup initial calibrations for the hw
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700592 * @struct iwl_sensitivity_ranges: range of sensitivity values
Ben Cahillbc472792007-11-29 11:09:49 +0800593 */
Tomas Winkler5425e492008-04-15 16:01:38 -0700594struct iwl_hw_params {
Zhu Yif3f911d2008-12-02 12:14:04 -0800595 u8 max_txq_num;
596 u8 dma_chnl_num;
Tomas Winkler4ddbb7d2008-11-07 09:58:40 -0800597 u16 scd_bc_tbls_size;
Tomas Winklerec35cf22008-04-15 16:01:39 -0700598 u8 tx_chains_num;
599 u8 rx_chains_num;
600 u8 valid_tx_ant;
601 u8 valid_rx_ant;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800602 u16 max_rxq_size;
Tomas Winklerec35cf22008-04-15 16:01:39 -0700603 u16 max_rxq_log;
Ron Rindjunsky9ee1ba42007-11-26 16:14:42 +0200604 u32 rx_buf_size;
605 u32 max_pkt_size;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800606 u8 max_stations;
607 u8 bcast_sta_id;
Ron Rindjunsky099b40b2008-04-21 15:41:53 -0700608 u8 fat_channel;
609 u8 sw_crypto;
610 u32 max_inst_size;
611 u32 max_data_size;
612 u32 max_bsm_size;
613 u32 ct_kill_threshold; /* value in hw-dependent units */
Tomas Winklerbe5d56e2008-10-08 09:37:27 +0800614 u32 calib_init_cfg;
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700615 const struct iwl_sensitivity_ranges *sens;
Abhijeet Kolekar3832ec92008-12-19 10:37:26 +0800616
617 /* for 3945 */
618 u16 tx_ant_num;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800619};
620
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800621
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800622/******************************************************************************
623 *
Emmanuel Grumbacha33c2f42008-09-03 11:26:56 +0800624 * Functions implemented in core module which are forward declared here
625 * for use by iwl-[4-5].c
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800626 *
Emmanuel Grumbacha33c2f42008-09-03 11:26:56 +0800627 * NOTE: The implementation of these functions are not hardware specific
628 * which is why they are in the core module files.
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800629 *
630 * Naming convention --
Emmanuel Grumbacha33c2f42008-09-03 11:26:56 +0800631 * iwl_ <-- Is part of iwlwifi
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800632 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800633 * iwl4965_bg_ <-- Called from work queue context
634 * iwl4965_mac_ <-- mac80211 callback
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800635 *
636 ****************************************************************************/
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -0700637extern void iwl_update_chain_flags(struct iwl_priv *priv);
638extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
Emmanuel Grumbacha33c2f42008-09-03 11:26:56 +0800639extern const u8 iwl_bcast_addr[ETH_ALEN];
Tomas Winklerb3bbacb2008-05-29 16:35:01 +0800640extern int iwl_rxq_stop(struct iwl_priv *priv);
Tomas Winklerda1bc452008-05-29 16:35:00 +0800641extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
Tomas Winkler443cfd42008-05-15 13:53:57 +0800642extern int iwl_queue_space(const struct iwl_queue *q);
Tomas Winklerfd4abac2008-05-15 13:54:07 +0800643static inline int iwl_queue_used(const struct iwl_queue *q, int i)
644{
645 return q->write_ptr > q->read_ptr ?
646 (i >= q->read_ptr && i < q->write_ptr) :
647 !(i < q->read_ptr && i >= q->write_ptr);
648}
649
650
651static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
652{
653 /* This is for scan command, the big buffer at end of command array */
654 if (is_huge)
655 return q->n_window; /* must be power of 2 */
656
657 /* Otherwise, use normal size buffers */
658 return index & (q->n_window - 1);
659}
660
661
Tomas Winkler4ddbb7d2008-11-07 09:58:40 -0800662struct iwl_dma_ptr {
663 dma_addr_t dma;
664 void *addr;
Zhu Yib481de92007-09-25 17:54:57 -0700665 size_t size;
666};
667
Winkler, Tomas34c22cf2008-12-17 16:52:27 +0800668#define HT_SHORT_GI_20MHZ (1 << 0)
669#define HT_SHORT_GI_40MHZ (1 << 1)
670
Zhu Yib481de92007-09-25 17:54:57 -0700671#define IWL_CHANNEL_WIDTH_20MHZ 0
672#define IWL_CHANNEL_WIDTH_40MHZ 1
673
Zhu Yib481de92007-09-25 17:54:57 -0700674#define IWL_OPERATION_MODE_AUTO 0
675#define IWL_OPERATION_MODE_HT_ONLY 1
676#define IWL_OPERATION_MODE_MIXED 2
677#define IWL_OPERATION_MODE_20MHZ 3
678
Tomas Winkler3195cdb2008-04-23 17:15:00 -0700679#define IWL_TX_CRC_SIZE 4
680#define IWL_TX_DELIMITER_SIZE 4
Zhu Yib481de92007-09-25 17:54:57 -0700681
Zhu Yib481de92007-09-25 17:54:57 -0700682#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
Zhu Yib481de92007-09-25 17:54:57 -0700683
Zhu Yib481de92007-09-25 17:54:57 -0700684/* Sensitivity and chain noise calibration */
Zhu Yib481de92007-09-25 17:54:57 -0700685#define INITIALIZATION_VALUE 0xFFFF
686#define CAL_NUM_OF_BEACONS 20
687#define MAXIMUM_ALLOWED_PATHLOSS 15
688
Zhu Yib481de92007-09-25 17:54:57 -0700689#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
690
691#define MAX_FA_OFDM 50
692#define MIN_FA_OFDM 5
693#define MAX_FA_CCK 50
694#define MIN_FA_CCK 5
695
Zhu Yib481de92007-09-25 17:54:57 -0700696#define AUTO_CORR_STEP_OFDM 1
697
Zhu Yib481de92007-09-25 17:54:57 -0700698#define AUTO_CORR_STEP_CCK 3
699#define AUTO_CORR_MAX_TH_CCK 160
700
Zhu Yib481de92007-09-25 17:54:57 -0700701#define NRG_DIFF 2
702#define NRG_STEP_CCK 2
703#define NRG_MARGIN 8
704#define MAX_NUMBER_CCK_NO_FA 100
705
706#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
707
708#define CHAIN_A 0
709#define CHAIN_B 1
710#define CHAIN_C 2
711#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
712#define ALL_BAND_FILTER 0xFF00
713#define IN_BAND_FILTER 0xFF
714#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
715
Tomas Winkler3195cdb2008-04-23 17:15:00 -0700716#define NRG_NUM_PREV_STAT_L 20
717#define NUM_RX_CHAINS 3
718
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800719enum iwl4965_false_alarm_state {
Zhu Yib481de92007-09-25 17:54:57 -0700720 IWL_FA_TOO_MANY = 0,
721 IWL_FA_TOO_FEW = 1,
722 IWL_FA_GOOD_RANGE = 2,
723};
724
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800725enum iwl4965_chain_noise_state {
Zhu Yib481de92007-09-25 17:54:57 -0700726 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
Grumbach, Emmanuel04816442008-09-03 11:26:53 +0800727 IWL_CHAIN_NOISE_ACCUMULATE,
728 IWL_CHAIN_NOISE_CALIBRATED,
729 IWL_CHAIN_NOISE_DONE,
Zhu Yib481de92007-09-25 17:54:57 -0700730};
731
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800732enum iwl4965_calib_enabled_state {
Zhu Yib481de92007-09-25 17:54:57 -0700733 IWL_CALIB_DISABLED = 0, /* must be 0 */
734 IWL_CALIB_ENABLED = 1,
735};
736
Tomas Winklerf69f42a2008-10-23 23:48:52 -0700737
738/*
739 * enum iwl_calib
740 * defines the order in which results of initial calibrations
741 * should be sent to the runtime uCode
742 */
743enum iwl_calib {
744 IWL_CALIB_XTAL,
Tomas Winkler819500c2008-12-01 16:32:19 -0800745 IWL_CALIB_DC,
Tomas Winklerf69f42a2008-10-23 23:48:52 -0700746 IWL_CALIB_LO,
747 IWL_CALIB_TX_IQ,
748 IWL_CALIB_TX_IQ_PERD,
Tomas Winkler201706a2008-11-19 15:32:24 -0800749 IWL_CALIB_BASE_BAND,
Tomas Winklerf69f42a2008-10-23 23:48:52 -0700750 IWL_CALIB_MAX
751};
752
Tomas Winkler6e21f2c2008-09-03 11:26:37 +0800753/* Opaque calibration results */
754struct iwl_calib_result {
755 void *buf;
756 size_t buf_len;
Tomas Winkler7c616cb2008-05-29 16:35:05 +0800757};
758
Ron Rindjunskydbb983b2008-05-15 13:54:12 +0800759enum ucode_type {
760 UCODE_NONE = 0,
761 UCODE_INIT,
762 UCODE_RT
763};
764
Zhu Yib481de92007-09-25 17:54:57 -0700765/* Sensitivity calib data */
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700766struct iwl_sensitivity_data {
Zhu Yib481de92007-09-25 17:54:57 -0700767 u32 auto_corr_ofdm;
768 u32 auto_corr_ofdm_mrc;
769 u32 auto_corr_ofdm_x1;
770 u32 auto_corr_ofdm_mrc_x1;
771 u32 auto_corr_cck;
772 u32 auto_corr_cck_mrc;
773
774 u32 last_bad_plcp_cnt_ofdm;
775 u32 last_fa_cnt_ofdm;
776 u32 last_bad_plcp_cnt_cck;
777 u32 last_fa_cnt_cck;
778
779 u32 nrg_curr_state;
780 u32 nrg_prev_state;
781 u32 nrg_value[10];
782 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
783 u32 nrg_silence_ref;
784 u32 nrg_energy_idx;
785 u32 nrg_silence_idx;
786 u32 nrg_th_cck;
787 s32 nrg_auto_corr_silence_diff;
788 u32 num_in_cck_no_fa;
789 u32 nrg_th_ofdm;
Zhu Yib481de92007-09-25 17:54:57 -0700790};
791
792/* Chain noise (differential Rx gain) calib data */
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700793struct iwl_chain_noise_data {
Grumbach, Emmanuel04816442008-09-03 11:26:53 +0800794 u32 active_chains;
Zhu Yib481de92007-09-25 17:54:57 -0700795 u32 chain_noise_a;
796 u32 chain_noise_b;
797 u32 chain_noise_c;
798 u32 chain_signal_a;
799 u32 chain_signal_b;
800 u32 chain_signal_c;
Grumbach, Emmanuel04816442008-09-03 11:26:53 +0800801 u16 beacon_count;
Zhu Yib481de92007-09-25 17:54:57 -0700802 u8 disconn_array[NUM_RX_CHAINS];
803 u8 delta_gain_code[NUM_RX_CHAINS];
804 u8 radio_write;
Grumbach, Emmanuel04816442008-09-03 11:26:53 +0800805 u8 state;
Zhu Yib481de92007-09-25 17:54:57 -0700806};
807
Ben Cahillabceddb2007-11-29 11:09:50 +0800808#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
809#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
Zhu Yib481de92007-09-25 17:54:57 -0700810
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800811
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800812enum {
813 MEASUREMENT_READY = (1 << 0),
814 MEASUREMENT_ACTIVE = (1 << 1),
815};
816
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800817
Ron Rindjunskydfe7d452008-04-15 16:01:45 -0700818#define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
819
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700820struct iwl_priv {
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800821
822 /* ieee device used by generic ieee processing code */
823 struct ieee80211_hw *hw;
824 struct ieee80211_channel *ieee_channels;
825 struct ieee80211_rate *ieee_rates;
Tomas Winkler82b9a122008-03-04 18:09:30 -0800826 struct iwl_cfg *cfg;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800827
828 /* temporary frame storage list */
829 struct list_head free_frames;
830 int frames_count;
831
Johannes Berg8318d782008-01-24 19:38:38 +0100832 enum ieee80211_band band;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800833 int alloc_rxb_skb;
834
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700835 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
Tomas Winklera55360e2008-05-05 10:22:28 +0800836 struct iwl_rx_mem_buffer *rxb);
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800837
Johannes Berg8318d782008-01-24 19:38:38 +0100838 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800839
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800840#if defined(CONFIG_IWLAGN_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800841 /* spectrum measurement report caching */
Tomas Winkler2aa6ab82008-12-11 10:33:40 -0800842 struct iwl_spectrum_notification measure_report;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800843 u8 measurement_status;
844#endif
845 /* ucode beacon time */
846 u32 ucode_beacon_time;
847
Christoph Hellwigbb8c0932008-01-27 16:41:47 -0800848 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800849 * Access via channel # using indirect index array */
Assaf Kraussbf85ea42008-03-14 10:38:49 -0700850 struct iwl_channel_info *channel_info; /* channel info array */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800851 u8 channel_count; /* # of channels */
852
Kolekar, Abhijeet85d41492008-12-19 10:37:20 +0800853 /* each calibration channel group in the EEPROM has a derived
854 * clip setting for each rate. 3945 only.*/
855 const struct iwl3945_clip_group clip39_groups[5];
856
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800857 /* thermal calibration */
858 s32 temperature; /* degrees Kelvin */
859 s32 last_temperature;
860
Tomas Winkler7c616cb2008-05-29 16:35:05 +0800861 /* init calibration results */
Tomas Winkler6e21f2c2008-09-03 11:26:37 +0800862 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
Tomas Winkler7c616cb2008-05-29 16:35:05 +0800863
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800864 /* Scan related variables */
865 unsigned long last_scan_jiffies;
Mohamed Abbas7878a5a2007-11-29 11:10:13 +0800866 unsigned long next_scan_jiffies;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800867 unsigned long scan_start;
868 unsigned long scan_pass_start;
869 unsigned long scan_start_tsf;
Tomas Winkler76eff182008-10-14 12:32:45 -0700870 struct iwl_scan_cmd *scan;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800871 int scan_bands;
872 int one_direct_scan;
873 u8 direct_ssid_len;
874 u8 direct_ssid[IW_ESSID_MAX_SIZE];
Tomas Winkler76eff182008-10-14 12:32:45 -0700875 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
876 u8 mgmt_tx_ant;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800877
878 /* spinlock */
879 spinlock_t lock; /* protect general shared data */
880 spinlock_t hcmd_lock; /* protect hcmd */
881 struct mutex mutex;
882
883 /* basic pci-network driver stuff */
884 struct pci_dev *pci_dev;
885
886 /* pci hardware address support */
887 void __iomem *hw_base;
Tomas Winklerb661c812008-04-23 17:14:54 -0700888 u32 hw_rev;
889 u32 hw_wa_rev;
890 u8 rev_id;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800891
892 /* uCode images, save to reload in case of failure */
Chatre, Reinettec02b3ac2008-12-02 12:14:05 -0800893 u32 ucode_ver; /* version of ucode, copy of
894 iwl_ucode.ver */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800895 struct fw_desc ucode_code; /* runtime inst */
896 struct fw_desc ucode_data; /* runtime data original */
897 struct fw_desc ucode_data_backup; /* runtime data save/restore */
898 struct fw_desc ucode_init; /* initialization inst */
899 struct fw_desc ucode_init_data; /* initialization data */
900 struct fw_desc ucode_boot; /* bootstrap inst */
Ron Rindjunskydbb983b2008-05-15 13:54:12 +0800901 enum ucode_type ucode_type;
902 u8 ucode_write_complete; /* the image write is complete */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800903
904
Tomas Winkler3195c1f2008-10-08 09:37:30 +0800905 struct iwl_rxon_time_cmd rxon_timing;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800906
907 /* We declare this const so it can only be
908 * changed via explicit cast within the
909 * routines that actually update the physical
910 * hardware */
Gregory Greenmanc1adf9f2008-05-15 13:53:59 +0800911 const struct iwl_rxon_cmd active_rxon;
912 struct iwl_rxon_cmd staging_rxon;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800913
914 int error_recovering;
Gregory Greenmanc1adf9f2008-05-15 13:53:59 +0800915 struct iwl_rxon_cmd recovery_rxon;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800916
917 /* 1st responses from initialize and runtime uCode images.
918 * 4965's initialize alive response contains some calibration data. */
Tomas Winkler885ba202008-05-29 16:34:55 +0800919 struct iwl_init_alive_resp card_alive_init;
920 struct iwl_alive_resp card_alive;
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800921#if defined(CONFIG_IWLWIFI_RFKILL) || defined(CONFIG_IWL3945_RFKILL)
Adel Gadllah80fcc9e2008-07-01 17:49:50 +0200922 struct rfkill *rfkill;
Mohamed Abbasad97edd2008-03-28 16:21:06 -0700923#endif
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800924
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800925#if defined(CONFIG_IWLWIFI_LEDS) || defined(CONFIG_IWL3945_LEDS)
Mohamed Abbasab53d8a2008-03-25 16:33:36 -0700926 unsigned long last_blink_time;
927 u8 last_blink_rate;
928 u8 allow_blinking;
929 u64 led_tpt;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800930#endif
931
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +0800932#ifdef CONFIG_IWLWIFI_LEDS
933 struct iwl_led led[IWL_LED_TRG_MAX];
934#endif
935
936#ifdef CONFIG_IWL3945_LEDS
937 struct iwl3945_led led39[IWL_LED_TRG_MAX];
938 unsigned int rxtxpackets;
939#endif
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800940 u16 active_rate;
941 u16 active_rate_basic;
942
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800943 u8 assoc_station_added;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800944 u8 start_calib;
Emmanuel Grumbachf0832f12008-04-16 16:34:47 -0700945 struct iwl_sensitivity_data sensitivity_data;
946 struct iwl_chain_noise_data chain_noise_data;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800947 __le16 sensitivity_tbl[HD_TABLE_SIZE];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800948
Ron Rindjunsky9e0cc6d2007-11-26 16:14:36 +0200949 struct iwl_ht_info current_ht_config;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800950 u8 last_phy_res[100];
951
952 /* Rate scaling data */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800953 s8 data_retry_limit;
954 u8 retry_rate;
955
956 wait_queue_head_t wait_command_queue;
957
958 int activity_timer_active;
959
960 /* Rx and Tx DMA processing queues */
Tomas Winklera55360e2008-05-05 10:22:28 +0800961 struct iwl_rx_queue rxq;
Ron Rindjunsky16466902008-05-05 10:22:50 +0800962 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800963 unsigned long txq_ctx_active_msk;
Tomas Winkler4ddbb7d2008-11-07 09:58:40 -0800964 struct iwl_dma_ptr kw; /* keep warm address */
965 struct iwl_dma_ptr scd_bc_tbls;
966
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800967 u32 scd_base_addr; /* scheduler sram base address */
968
969 unsigned long status;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800970
Tomas Winklera96a27f2008-10-23 23:48:56 -0700971 int last_rx_rssi; /* From Rx packet statistics */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800972 int last_rx_noise; /* From beacon statistics */
973
Tomas Winkler19758be2008-03-12 16:58:51 -0700974 /* counts mgmt, ctl, and data packets */
975 struct traffic_stats {
976 u32 cnt;
977 u64 bytes;
978 } tx_stats[3], rx_stats[3];
979
Mohamed Abbas5da4b552008-04-21 15:41:51 -0700980 struct iwl_power_mgr power_data;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800981
Emmanuel Grumbach8f91aec2008-06-30 17:23:07 +0800982 struct iwl_notif_statistics statistics;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800983 unsigned long last_statistics_time;
984
985 /* context information */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +0800986 u16 rates_mask;
987
988 u32 power_mode;
989 u32 antenna;
990 u8 bssid[ETH_ALEN];
991 u16 rts_threshold;
992 u8 mac_addr[ETH_ALEN];
993
994 /*station table variables */
995 spinlock_t sta_lock;
996 int num_stations;
Tomas Winkler6def9762008-05-05 10:22:31 +0800997 struct iwl_station_entry stations[IWL_STATION_COUNT];
Emmanuel Grumbach6974e362008-04-14 21:16:06 -0700998 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
999 u8 default_wep_key;
1000 u8 key_mapping_key;
Emmanuel Grumbach80fb47a2008-04-14 21:16:08 -07001001 unsigned long ucode_key_table;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001002
1003 /* Indication if ieee80211_ops->open has been called */
Tomas Winkler69dc5d92008-03-25 16:33:41 -07001004 u8 is_open;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001005
1006 u8 mac80211_registered;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001007
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001008 /* Rx'd packet timing information */
1009 u32 last_beacon_time;
1010 u64 last_tsf;
1011
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001012 /* eeprom */
Tomas Winkler073d3f52008-04-21 15:41:52 -07001013 u8 *eeprom;
1014 struct iwl_eeprom_calib_info *calib_info;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001015
Johannes Berg05c914f2008-09-11 00:01:58 +02001016 enum nl80211_iftype iw_mode;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001017
1018 struct sk_buff *ibss_beacon;
1019
1020 /* Last Rx'd beacon timestamp */
Tomas Winkler3109ece2008-03-28 16:33:35 -07001021 u64 timestamp;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001022 u16 beacon_int;
Johannes Berg32bfd352007-12-19 01:31:26 +01001023 struct ieee80211_vif *vif;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001024
Winkler, Tomas8cd812b2008-12-19 10:37:43 +08001025 /*Added for 3945 */
Abhijeet Kolekar3832ec92008-12-19 10:37:26 +08001026 void *shared_virt;
1027 dma_addr_t shared_phys;
1028 /*End*/
Tomas Winkler5425e492008-04-15 16:01:38 -07001029 struct iwl_hw_params hw_params;
Tomas Winkler4ddbb7d2008-11-07 09:58:40 -08001030
Tomas Winkler059ff822008-04-14 21:16:14 -07001031
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001032 /* Current association information needed to configure the
1033 * hardware */
1034 u16 assoc_id;
1035 u16 assoc_capability;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001036
Emmanuel Grumbach1ff50bd2008-07-11 11:53:34 +08001037 struct iwl_qos_info qos_data;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001038
1039 struct workqueue_struct *workqueue;
1040
1041 struct work_struct up;
1042 struct work_struct restart;
1043 struct work_struct calibrated_work;
1044 struct work_struct scan_completed;
1045 struct work_struct rx_replenish;
1046 struct work_struct rf_kill;
1047 struct work_struct abort_scan;
1048 struct work_struct update_link_led;
1049 struct work_struct auth_work;
1050 struct work_struct report_work;
1051 struct work_struct request_scan;
1052 struct work_struct beacon_update;
1053
1054 struct tasklet_struct irq_tasklet;
1055
Emmanuel Grumbachc90a74ba2008-09-03 11:26:50 +08001056 struct delayed_work set_power_save;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001057 struct delayed_work init_alive_start;
1058 struct delayed_work alive_start;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001059 struct delayed_work scan_check;
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +08001060
1061 /*For 3945 only*/
1062 struct delayed_work thermal_periodic;
1063
Tomas Winkler630fe9b2008-06-12 09:47:08 +08001064 /* TX Power */
1065 s8 tx_power_user_lmt;
1066 s8 tx_power_channel_lmt;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001067
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001068
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +08001069#if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWL3945_DEBUG)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001070 /* debugging info */
Ester Kummerbf403db2008-05-05 10:22:40 +08001071 u32 debug_level;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001072 u32 framecnt_to_us;
1073 atomic_t restrict_refcnt;
Tomas Winkler712b6cf2008-03-12 16:58:52 -07001074#ifdef CONFIG_IWLWIFI_DEBUGFS
1075 /* debugfs */
1076 struct iwl_debugfs *dbgfs;
1077#endif /* CONFIG_IWLWIFI_DEBUGFS */
1078#endif /* CONFIG_IWLWIFI_DEBUG */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001079
1080 struct work_struct txpower_work;
Tomas Winkler445c2df2008-05-15 13:54:16 +08001081 u32 disable_sens_cal;
1082 u32 disable_chain_noise_cal;
Emmanuel Grumbach203566f2008-06-12 09:46:54 +08001083 u32 disable_tx_power_cal;
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001084 struct work_struct run_time_calib_work;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001085 struct timer_list statistics_periodic;
Abhijeet Kolekar4a8a4322008-12-19 10:37:28 +08001086
1087 /*For 3945*/
1088#define IWL_DEFAULT_TX_POWER 0x0F
1089 s8 user_txpower_limit;
1090 s8 max_channel_txpower_limit;
1091
1092 struct iwl3945_scan_cmd *scan39;
1093
1094 /* We declare this const so it can only be
1095 * changed via explicit cast within the
1096 * routines that actually update the physical
1097 * hardware */
1098 const struct iwl3945_rxon_cmd active39_rxon;
1099 struct iwl3945_rxon_cmd staging39_rxon;
1100 struct iwl3945_rxon_cmd recovery39_rxon;
1101
1102 struct iwl3945_tx_queue txq39[IWL39_MAX_NUM_QUEUES];
1103
1104 struct iwl3945_power_mgr power_data_39;
1105 struct iwl3945_notif_statistics statistics_39;
1106
1107 struct iwl3945_station_entry stations_39[IWL_STATION_COUNT];
1108
1109 /* eeprom */
1110 struct iwl3945_eeprom eeprom39;
1111
1112 u32 sta_supp_rates;
1113 u8 call_post_assoc_from_beacon;
1114
Tomas Winklerc79dd5b2008-03-12 16:58:50 -07001115}; /*iwl_priv */
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001116
Ron Rindjunsky36470742008-05-15 13:54:10 +08001117static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1118{
1119 set_bit(txq_id, &priv->txq_ctx_active_msk);
1120}
1121
1122static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1123{
1124 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1125}
1126
Helmut Schaa994d31f2008-07-02 12:17:06 +02001127#ifdef CONFIG_IWLWIFI_DEBUG
Tomas Winklera332f8d62008-05-29 16:35:08 +08001128const char *iwl_get_tx_fail_reason(u32 status);
1129#else
1130static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1131#endif
1132
1133
Tomas Winklera332f8d62008-05-29 16:35:08 +08001134static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1135 int txq_id, int idx)
1136{
1137 if (priv->txq[txq_id].txb[idx].skb[0])
1138 return (struct ieee80211_hdr *)priv->txq[txq_id].
1139 txb[idx].skb[0]->data;
1140 return NULL;
1141}
Tomas Winklera332f8d62008-05-29 16:35:08 +08001142
1143
Tomas Winkler3109ece2008-03-28 16:33:35 -07001144static inline int iwl_is_associated(struct iwl_priv *priv)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001145{
1146 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1147}
1148
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001149static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001150{
1151 if (ch_info == NULL)
1152 return 0;
1153 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1154}
1155
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001156static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001157{
1158 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1159}
1160
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001161static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001162{
Johannes Berg8318d782008-01-24 19:38:38 +01001163 return ch_info->band == IEEE80211_BAND_5GHZ;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001164}
1165
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001166static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001167{
Johannes Berg8318d782008-01-24 19:38:38 +01001168 return ch_info->band == IEEE80211_BAND_2GHZ;
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001169}
1170
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001171static inline int is_channel_passive(const struct iwl_channel_info *ch)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001172{
1173 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1174}
1175
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001176static inline int is_channel_ibss(const struct iwl_channel_info *ch)
Christoph Hellwig5d08cd12007-10-25 17:15:50 +08001177{
1178 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1179}
1180
Emmanuel Grumbachbe1f3ab62008-06-12 09:47:18 +08001181#endif /* __iwl_dev_h__ */