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b481de9c ZY |
1 | /****************************************************************************** |
2 | * | |
eb7ae89c | 3 | * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved. |
b481de9c ZY |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
17 | * | |
18 | * The full GNU General Public License is included in this distribution in the | |
19 | * file called LICENSE. | |
20 | * | |
21 | * Contact Information: | |
22 | * James P. Ketrenos <ipw2100-admin@linux.intel.com> | |
23 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
24 | * | |
25 | *****************************************************************************/ | |
fcd427bb BC |
26 | /* |
27 | * Please use this file (iwl-4965.h) for driver implementation definitions. | |
28 | * Please use iwl-4965-commands.h for uCode API definitions. | |
29 | * Please use iwl-4965-hw.h for hardware-related definitions. | |
30 | */ | |
31 | ||
b481de9c ZY |
32 | #ifndef __iwl_4965_h__ |
33 | #define __iwl_4965_h__ | |
34 | ||
5d08cd1d CH |
35 | #include <linux/pci.h> /* for struct pci_device_id */ |
36 | #include <linux/kernel.h> | |
37 | #include <net/ieee80211_radiotap.h> | |
38 | ||
5d08cd1d | 39 | /* Hardware specific file defines the PCI IDs table for that hardware module */ |
bb8c093b | 40 | extern struct pci_device_id iwl4965_hw_card_ids[]; |
5d08cd1d CH |
41 | |
42 | #define DRV_NAME "iwl4965" | |
6bc913bd | 43 | #include "iwl-eeprom.h" |
5d08cd1d | 44 | #include "iwl-4965-hw.h" |
6f83eaa1 | 45 | #include "iwl-csr.h" |
5d08cd1d | 46 | #include "iwl-prph.h" |
0a6857e7 | 47 | #include "iwl-debug.h" |
5d08cd1d | 48 | |
4bf775cd TW |
49 | /* Change firmware file name, using "-" and incrementing number, |
50 | * *only* when uCode interface or architecture changes so that it | |
51 | * is not compatible with earlier drivers. | |
52 | * This number will also appear in << 8 position of 1st dword of uCode file */ | |
53 | #define IWL4965_UCODE_API "-1" | |
54 | ||
55 | ||
5d08cd1d CH |
56 | /* Default noise level to report when noise measurement is not available. |
57 | * This may be because we're: | |
58 | * 1) Not associated (4965, no beacon statistics being sent to driver) | |
59 | * 2) Scanning (noise measurement does not apply to associated channel) | |
60 | * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) | |
61 | * Use default noise value of -127 ... this is below the range of measurable | |
62 | * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. | |
63 | * Also, -127 works better than 0 when averaging frames with/without | |
64 | * noise info (e.g. averaging might be done in app); measured dBm values are | |
65 | * always negative ... using a negative value as the default keeps all | |
66 | * averages within an s8's (used in some apps) range of negative values. */ | |
67 | #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) | |
68 | ||
69 | /* Module parameters accessible from iwl-*.c */ | |
00acbc91 | 70 | extern struct iwl_mod_params iwl4965_mod_params; |
5d08cd1d | 71 | |
bb8c093b | 72 | enum iwl4965_antenna { |
5d08cd1d CH |
73 | IWL_ANTENNA_DIVERSITY, |
74 | IWL_ANTENNA_MAIN, | |
75 | IWL_ANTENNA_AUX | |
76 | }; | |
77 | ||
78 | /* | |
79 | * RTS threshold here is total size [2347] minus 4 FCS bytes | |
80 | * Per spec: | |
81 | * a value of 0 means RTS on all data/management packets | |
82 | * a value > max MSDU size means no RTS | |
83 | * else RTS for data/management frames where MPDU is larger | |
84 | * than RTS value. | |
85 | */ | |
86 | #define DEFAULT_RTS_THRESHOLD 2347U | |
87 | #define MIN_RTS_THRESHOLD 0U | |
88 | #define MAX_RTS_THRESHOLD 2347U | |
89 | #define MAX_MSDU_SIZE 2304U | |
90 | #define MAX_MPDU_SIZE 2346U | |
91 | #define DEFAULT_BEACON_INTERVAL 100U | |
92 | #define DEFAULT_SHORT_RETRY_LIMIT 7U | |
93 | #define DEFAULT_LONG_RETRY_LIMIT 4U | |
94 | ||
bb8c093b | 95 | struct iwl4965_rx_mem_buffer { |
5d08cd1d CH |
96 | dma_addr_t dma_addr; |
97 | struct sk_buff *skb; | |
98 | struct list_head list; | |
99 | }; | |
100 | ||
5d08cd1d CH |
101 | /* |
102 | * Generic queue structure | |
103 | * | |
104 | * Contains common data for Rx and Tx queues | |
105 | */ | |
bb8c093b | 106 | struct iwl4965_queue { |
5d08cd1d CH |
107 | 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 | ||
119 | #define MAX_NUM_OF_TBS (20) | |
120 | ||
bc47279f | 121 | /* One for each TFD */ |
bb8c093b | 122 | struct iwl4965_tx_info { |
5d08cd1d CH |
123 | struct ieee80211_tx_status status; |
124 | struct sk_buff *skb[MAX_NUM_OF_TBS]; | |
125 | }; | |
126 | ||
127 | /** | |
bb8c093b | 128 | * struct iwl4965_tx_queue - Tx Queue for DMA |
bc47279f BC |
129 | * @q: generic Rx/Tx queue descriptor |
130 | * @bd: base of circular buffer of TFDs | |
131 | * @cmd: array of command/Tx buffers | |
132 | * @dma_addr_cmd: physical address of cmd/tx buffer array | |
133 | * @txb: array of per-TFD driver data | |
134 | * @need_update: indicates need to update read/write index | |
135 | * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled | |
5d08cd1d | 136 | * |
bc47279f BC |
137 | * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame |
138 | * descriptors) and required locking structures. | |
5d08cd1d | 139 | */ |
bb8c093b CH |
140 | struct iwl4965_tx_queue { |
141 | struct iwl4965_queue q; | |
142 | struct iwl4965_tfd_frame *bd; | |
143 | struct iwl4965_cmd *cmd; | |
5d08cd1d | 144 | dma_addr_t dma_addr_cmd; |
bb8c093b | 145 | struct iwl4965_tx_info *txb; |
5d08cd1d CH |
146 | int need_update; |
147 | int sched_retry; | |
148 | int active; | |
149 | }; | |
150 | ||
151 | #define IWL_NUM_SCAN_RATES (2) | |
152 | ||
bb8c093b | 153 | struct iwl4965_channel_tgd_info { |
5d08cd1d CH |
154 | u8 type; |
155 | s8 max_power; | |
156 | }; | |
157 | ||
bb8c093b | 158 | struct iwl4965_channel_tgh_info { |
5d08cd1d CH |
159 | s64 last_radar_time; |
160 | }; | |
161 | ||
162 | /* current Tx power values to use, one for each rate for each channel. | |
163 | * requested power is limited by: | |
164 | * -- regulatory EEPROM limits for this channel | |
165 | * -- hardware capabilities (clip-powers) | |
166 | * -- spectrum management | |
167 | * -- user preference (e.g. iwconfig) | |
168 | * when requested power is set, base power index must also be set. */ | |
bb8c093b CH |
169 | struct iwl4965_channel_power_info { |
170 | struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */ | |
5d08cd1d CH |
171 | s8 power_table_index; /* actual (compenst'd) index into gain table */ |
172 | s8 base_power_index; /* gain index for power at factory temp. */ | |
173 | s8 requested_power; /* power (dBm) requested for this chnl/rate */ | |
174 | }; | |
175 | ||
176 | /* current scan Tx power values to use, one for each scan rate for each | |
177 | * channel. */ | |
bb8c093b CH |
178 | struct iwl4965_scan_power_info { |
179 | struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */ | |
5d08cd1d CH |
180 | s8 power_table_index; /* actual (compenst'd) index into gain table */ |
181 | s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ | |
182 | }; | |
183 | ||
fcd427bb BC |
184 | /* For fat_extension_channel */ |
185 | enum { | |
186 | HT_IE_EXT_CHANNEL_NONE = 0, | |
187 | HT_IE_EXT_CHANNEL_ABOVE, | |
188 | HT_IE_EXT_CHANNEL_INVALID, | |
189 | HT_IE_EXT_CHANNEL_BELOW, | |
190 | HT_IE_EXT_CHANNEL_MAX | |
191 | }; | |
192 | ||
5d08cd1d CH |
193 | /* |
194 | * One for each channel, holds all channel setup data | |
195 | * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant | |
196 | * with one another! | |
197 | */ | |
198 | #define IWL4965_MAX_RATE (33) | |
199 | ||
bb8c093b CH |
200 | struct iwl4965_channel_info { |
201 | struct iwl4965_channel_tgd_info tgd; | |
202 | struct iwl4965_channel_tgh_info tgh; | |
fcd427bb BC |
203 | struct iwl4965_eeprom_channel eeprom; /* EEPROM regulatory limit */ |
204 | struct iwl4965_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for | |
205 | * FAT channel */ | |
5d08cd1d CH |
206 | |
207 | u8 channel; /* channel number */ | |
208 | u8 flags; /* flags copied from EEPROM */ | |
209 | s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ | |
fcd427bb | 210 | s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ |
5d08cd1d CH |
211 | s8 min_power; /* always 0 */ |
212 | s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ | |
213 | ||
214 | u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ | |
215 | u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ | |
8318d78a | 216 | enum ieee80211_band band; |
5d08cd1d CH |
217 | |
218 | /* Radio/DSP gain settings for each "normal" data Tx rate. | |
219 | * These include, in addition to RF and DSP gain, a few fields for | |
220 | * remembering/modifying gain settings (indexes). */ | |
bb8c093b | 221 | struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE]; |
5d08cd1d CH |
222 | |
223 | /* FAT channel info */ | |
224 | s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ | |
225 | s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ | |
226 | s8 fat_min_power; /* always 0 */ | |
227 | s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */ | |
228 | u8 fat_flags; /* flags copied from EEPROM */ | |
fcd427bb | 229 | u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */ |
5d08cd1d CH |
230 | |
231 | /* Radio/DSP gain settings for each scan rate, for directed scans. */ | |
bb8c093b | 232 | struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; |
5d08cd1d CH |
233 | }; |
234 | ||
bb8c093b | 235 | struct iwl4965_clip_group { |
5d08cd1d CH |
236 | /* maximum power level to prevent clipping for each rate, derived by |
237 | * us from this band's saturation power in EEPROM */ | |
238 | const s8 clip_powers[IWL_MAX_RATES]; | |
239 | }; | |
240 | ||
241 | #include "iwl-4965-rs.h" | |
242 | ||
243 | #define IWL_TX_FIFO_AC0 0 | |
244 | #define IWL_TX_FIFO_AC1 1 | |
245 | #define IWL_TX_FIFO_AC2 2 | |
246 | #define IWL_TX_FIFO_AC3 3 | |
247 | #define IWL_TX_FIFO_HCCA_1 5 | |
248 | #define IWL_TX_FIFO_HCCA_2 6 | |
249 | #define IWL_TX_FIFO_NONE 7 | |
250 | ||
251 | /* Minimum number of queues. MAX_NUM is defined in hw specific files */ | |
252 | #define IWL_MIN_NUM_QUEUES 4 | |
253 | ||
254 | /* Power management (not Tx power) structures */ | |
255 | ||
bb8c093b CH |
256 | struct iwl4965_power_vec_entry { |
257 | struct iwl4965_powertable_cmd cmd; | |
5d08cd1d CH |
258 | u8 no_dtim; |
259 | }; | |
260 | #define IWL_POWER_RANGE_0 (0) | |
261 | #define IWL_POWER_RANGE_1 (1) | |
262 | ||
263 | #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */ | |
264 | #define IWL_POWER_INDEX_3 0x03 | |
265 | #define IWL_POWER_INDEX_5 0x05 | |
266 | #define IWL_POWER_AC 0x06 | |
267 | #define IWL_POWER_BATTERY 0x07 | |
268 | #define IWL_POWER_LIMIT 0x07 | |
269 | #define IWL_POWER_MASK 0x0F | |
270 | #define IWL_POWER_ENABLED 0x10 | |
271 | #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK) | |
272 | ||
bb8c093b | 273 | struct iwl4965_power_mgr { |
5d08cd1d | 274 | spinlock_t lock; |
bb8c093b CH |
275 | struct iwl4965_power_vec_entry pwr_range_0[IWL_POWER_AC]; |
276 | struct iwl4965_power_vec_entry pwr_range_1[IWL_POWER_AC]; | |
5d08cd1d CH |
277 | u8 active_index; |
278 | u32 dtim_val; | |
279 | }; | |
280 | ||
281 | #define IEEE80211_DATA_LEN 2304 | |
282 | #define IEEE80211_4ADDR_LEN 30 | |
283 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) | |
284 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) | |
285 | ||
bb8c093b | 286 | struct iwl4965_frame { |
5d08cd1d CH |
287 | union { |
288 | struct ieee80211_hdr frame; | |
bb8c093b | 289 | struct iwl4965_tx_beacon_cmd beacon; |
5d08cd1d CH |
290 | u8 raw[IEEE80211_FRAME_LEN]; |
291 | u8 cmd[360]; | |
292 | } u; | |
293 | struct list_head list; | |
294 | }; | |
295 | ||
296 | #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf) | |
297 | #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8) | |
298 | #define SEQ_TO_INDEX(x) (x & 0xff) | |
299 | #define INDEX_TO_SEQ(x) (x & 0xff) | |
300 | #define SEQ_HUGE_FRAME (0x4000) | |
301 | #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000) | |
302 | #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) | |
303 | #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) | |
304 | #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) | |
305 | ||
306 | enum { | |
307 | /* CMD_SIZE_NORMAL = 0, */ | |
308 | CMD_SIZE_HUGE = (1 << 0), | |
309 | /* CMD_SYNC = 0, */ | |
310 | CMD_ASYNC = (1 << 1), | |
311 | /* CMD_NO_SKB = 0, */ | |
312 | CMD_WANT_SKB = (1 << 2), | |
313 | }; | |
314 | ||
bb8c093b | 315 | struct iwl4965_cmd; |
c79dd5b5 | 316 | struct iwl_priv; |
5d08cd1d | 317 | |
bb8c093b CH |
318 | struct iwl4965_cmd_meta { |
319 | struct iwl4965_cmd_meta *source; | |
5d08cd1d CH |
320 | union { |
321 | struct sk_buff *skb; | |
c79dd5b5 | 322 | int (*callback)(struct iwl_priv *priv, |
bb8c093b | 323 | struct iwl4965_cmd *cmd, struct sk_buff *skb); |
5d08cd1d CH |
324 | } __attribute__ ((packed)) u; |
325 | ||
326 | /* The CMD_SIZE_HUGE flag bit indicates that the command | |
327 | * structure is stored at the end of the shared queue memory. */ | |
328 | u32 flags; | |
329 | ||
330 | } __attribute__ ((packed)); | |
331 | ||
bc47279f BC |
332 | /** |
333 | * struct iwl4965_cmd | |
334 | * | |
335 | * For allocation of the command and tx queues, this establishes the overall | |
336 | * size of the largest command we send to uCode, except for a scan command | |
337 | * (which is relatively huge; space is allocated separately). | |
338 | */ | |
bb8c093b | 339 | struct iwl4965_cmd { |
bc47279f BC |
340 | struct iwl4965_cmd_meta meta; /* driver data */ |
341 | struct iwl4965_cmd_header hdr; /* uCode API */ | |
5d08cd1d | 342 | union { |
bb8c093b CH |
343 | struct iwl4965_addsta_cmd addsta; |
344 | struct iwl4965_led_cmd led; | |
5d08cd1d CH |
345 | u32 flags; |
346 | u8 val8; | |
347 | u16 val16; | |
348 | u32 val32; | |
bb8c093b CH |
349 | struct iwl4965_bt_cmd bt; |
350 | struct iwl4965_rxon_time_cmd rxon_time; | |
351 | struct iwl4965_powertable_cmd powertable; | |
352 | struct iwl4965_qosparam_cmd qosparam; | |
353 | struct iwl4965_tx_cmd tx; | |
354 | struct iwl4965_tx_beacon_cmd tx_beacon; | |
355 | struct iwl4965_rxon_assoc_cmd rxon_assoc; | |
5d08cd1d CH |
356 | u8 *indirect; |
357 | u8 payload[360]; | |
358 | } __attribute__ ((packed)) cmd; | |
359 | } __attribute__ ((packed)); | |
360 | ||
bb8c093b | 361 | struct iwl4965_host_cmd { |
5d08cd1d CH |
362 | u8 id; |
363 | u16 len; | |
bb8c093b | 364 | struct iwl4965_cmd_meta meta; |
5d08cd1d CH |
365 | const void *data; |
366 | }; | |
367 | ||
bb8c093b CH |
368 | #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl4965_cmd) - \ |
369 | sizeof(struct iwl4965_cmd_meta)) | |
5d08cd1d CH |
370 | |
371 | /* | |
372 | * RX related structures and functions | |
373 | */ | |
374 | #define RX_FREE_BUFFERS 64 | |
375 | #define RX_LOW_WATERMARK 8 | |
376 | ||
377 | #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 | |
378 | #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 | |
379 | #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 | |
380 | ||
381 | /** | |
bb8c093b | 382 | * struct iwl4965_rx_queue - Rx queue |
5d08cd1d CH |
383 | * @processed: Internal index to last handled Rx packet |
384 | * @read: Shared index to newest available Rx buffer | |
385 | * @write: Shared index to oldest written Rx packet | |
386 | * @free_count: Number of pre-allocated buffers in rx_free | |
387 | * @rx_free: list of free SKBs for use | |
388 | * @rx_used: List of Rx buffers with no SKB | |
389 | * @need_update: flag to indicate we need to update read/write index | |
390 | * | |
bb8c093b | 391 | * NOTE: rx_free and rx_used are used as a FIFO for iwl4965_rx_mem_buffers |
5d08cd1d | 392 | */ |
bb8c093b | 393 | struct iwl4965_rx_queue { |
5d08cd1d CH |
394 | __le32 *bd; |
395 | dma_addr_t dma_addr; | |
bb8c093b CH |
396 | struct iwl4965_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; |
397 | struct iwl4965_rx_mem_buffer *queue[RX_QUEUE_SIZE]; | |
5d08cd1d CH |
398 | u32 processed; |
399 | u32 read; | |
400 | u32 write; | |
401 | u32 free_count; | |
402 | struct list_head rx_free; | |
403 | struct list_head rx_used; | |
404 | int need_update; | |
405 | spinlock_t lock; | |
406 | }; | |
407 | ||
408 | #define IWL_SUPPORTED_RATES_IE_LEN 8 | |
409 | ||
410 | #define SCAN_INTERVAL 100 | |
411 | ||
412 | #define MAX_A_CHANNELS 252 | |
413 | #define MIN_A_CHANNELS 7 | |
414 | ||
415 | #define MAX_B_CHANNELS 14 | |
416 | #define MIN_B_CHANNELS 1 | |
417 | ||
418 | #define STATUS_HCMD_ACTIVE 0 /* host command in progress */ | |
419 | #define STATUS_INT_ENABLED 1 | |
420 | #define STATUS_RF_KILL_HW 2 | |
421 | #define STATUS_RF_KILL_SW 3 | |
422 | #define STATUS_INIT 4 | |
423 | #define STATUS_ALIVE 5 | |
424 | #define STATUS_READY 6 | |
425 | #define STATUS_TEMPERATURE 7 | |
426 | #define STATUS_GEO_CONFIGURED 8 | |
427 | #define STATUS_EXIT_PENDING 9 | |
428 | #define STATUS_IN_SUSPEND 10 | |
429 | #define STATUS_STATISTICS 11 | |
430 | #define STATUS_SCANNING 12 | |
431 | #define STATUS_SCAN_ABORTING 13 | |
432 | #define STATUS_SCAN_HW 14 | |
433 | #define STATUS_POWER_PMI 15 | |
434 | #define STATUS_FW_ERROR 16 | |
a0646470 | 435 | #define STATUS_CONF_PENDING 17 |
5d08cd1d CH |
436 | |
437 | #define MAX_TID_COUNT 9 | |
438 | ||
439 | #define IWL_INVALID_RATE 0xFF | |
440 | #define IWL_INVALID_VALUE -1 | |
441 | ||
c8b0e6e1 | 442 | #ifdef CONFIG_IWL4965_HT |
bc47279f BC |
443 | /** |
444 | * struct iwl4965_ht_agg -- aggregation status while waiting for block-ack | |
445 | * @txq_id: Tx queue used for Tx attempt | |
446 | * @frame_count: # frames attempted by Tx command | |
447 | * @wait_for_ba: Expect block-ack before next Tx reply | |
448 | * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window | |
449 | * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window | |
450 | * @bitmap1: High order, one bit for each frame pending ACK in Tx window | |
451 | * @rate_n_flags: Rate at which Tx was attempted | |
452 | * | |
453 | * If REPLY_TX indicates that aggregation was attempted, driver must wait | |
454 | * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info | |
455 | * until block ack arrives. | |
456 | */ | |
bb8c093b | 457 | struct iwl4965_ht_agg { |
5d08cd1d CH |
458 | u16 txq_id; |
459 | u16 frame_count; | |
460 | u16 wait_for_ba; | |
461 | u16 start_idx; | |
fe01b477 | 462 | u64 bitmap; |
5d08cd1d | 463 | u32 rate_n_flags; |
fe01b477 RR |
464 | #define IWL_AGG_OFF 0 |
465 | #define IWL_AGG_ON 1 | |
466 | #define IWL_EMPTYING_HW_QUEUE_ADDBA 2 | |
467 | #define IWL_EMPTYING_HW_QUEUE_DELBA 3 | |
468 | u8 state; | |
5d08cd1d | 469 | }; |
fe01b477 | 470 | |
c8b0e6e1 | 471 | #endif /* CONFIG_IWL4965_HT */ |
5d08cd1d | 472 | |
bb8c093b | 473 | struct iwl4965_tid_data { |
5d08cd1d | 474 | u16 seq_number; |
fe01b477 | 475 | u16 tfds_in_queue; |
c8b0e6e1 | 476 | #ifdef CONFIG_IWL4965_HT |
bb8c093b | 477 | struct iwl4965_ht_agg agg; |
c8b0e6e1 | 478 | #endif /* CONFIG_IWL4965_HT */ |
5d08cd1d CH |
479 | }; |
480 | ||
bb8c093b | 481 | struct iwl4965_hw_key { |
5d08cd1d CH |
482 | enum ieee80211_key_alg alg; |
483 | int keylen; | |
484 | u8 key[32]; | |
485 | }; | |
486 | ||
bb8c093b | 487 | union iwl4965_ht_rate_supp { |
5d08cd1d CH |
488 | u16 rates; |
489 | struct { | |
490 | u8 siso_rate; | |
491 | u8 mimo_rate; | |
492 | }; | |
493 | }; | |
494 | ||
c8b0e6e1 | 495 | #ifdef CONFIG_IWL4965_HT |
5d08cd1d | 496 | #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) |
5d08cd1d CH |
497 | #define CFG_HT_MPDU_DENSITY_2USEC (0x5) |
498 | #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC | |
499 | ||
9e0cc6de RR |
500 | struct iwl_ht_info { |
501 | /* self configuration data */ | |
5d08cd1d | 502 | u8 is_ht; |
9e0cc6de | 503 | u8 supported_chan_width; |
5d08cd1d | 504 | u16 tx_mimo_ps_mode; |
9e0cc6de | 505 | u8 is_green_field; |
bb54244b | 506 | u8 sgf; /* HT_SHORT_GI_* short guard interval */ |
5d08cd1d CH |
507 | u8 max_amsdu_size; |
508 | u8 ampdu_factor; | |
509 | u8 mpdu_density; | |
9e0cc6de RR |
510 | u8 supp_mcs_set[16]; |
511 | /* BSS related data */ | |
512 | u8 control_channel; | |
5d08cd1d | 513 | u8 extension_chan_offset; |
5d08cd1d | 514 | u8 tx_chan_width; |
9e0cc6de RR |
515 | u8 ht_protection; |
516 | u8 non_GF_STA_present; | |
5d08cd1d | 517 | }; |
c8b0e6e1 | 518 | #endif /*CONFIG_IWL4965_HT */ |
5d08cd1d | 519 | |
bb8c093b | 520 | union iwl4965_qos_capabity { |
5d08cd1d CH |
521 | struct { |
522 | u8 edca_count:4; /* bit 0-3 */ | |
523 | u8 q_ack:1; /* bit 4 */ | |
524 | u8 queue_request:1; /* bit 5 */ | |
525 | u8 txop_request:1; /* bit 6 */ | |
526 | u8 reserved:1; /* bit 7 */ | |
527 | } q_AP; | |
528 | struct { | |
529 | u8 acvo_APSD:1; /* bit 0 */ | |
530 | u8 acvi_APSD:1; /* bit 1 */ | |
531 | u8 ac_bk_APSD:1; /* bit 2 */ | |
532 | u8 ac_be_APSD:1; /* bit 3 */ | |
533 | u8 q_ack:1; /* bit 4 */ | |
534 | u8 max_len:2; /* bit 5-6 */ | |
535 | u8 more_data_ack:1; /* bit 7 */ | |
536 | } q_STA; | |
537 | u8 val; | |
538 | }; | |
539 | ||
540 | /* QoS structures */ | |
bb8c093b | 541 | struct iwl4965_qos_info { |
5d08cd1d CH |
542 | int qos_enable; |
543 | int qos_active; | |
bb8c093b CH |
544 | union iwl4965_qos_capabity qos_cap; |
545 | struct iwl4965_qosparam_cmd def_qos_parm; | |
5d08cd1d | 546 | }; |
5d08cd1d CH |
547 | |
548 | #define STA_PS_STATUS_WAKE 0 | |
549 | #define STA_PS_STATUS_SLEEP 1 | |
550 | ||
bb8c093b CH |
551 | struct iwl4965_station_entry { |
552 | struct iwl4965_addsta_cmd sta; | |
553 | struct iwl4965_tid_data tid[MAX_TID_COUNT]; | |
5d08cd1d CH |
554 | u8 used; |
555 | u8 ps_status; | |
bb8c093b | 556 | struct iwl4965_hw_key keyinfo; |
5d08cd1d CH |
557 | }; |
558 | ||
559 | /* one for each uCode image (inst/data, boot/init/runtime) */ | |
560 | struct fw_desc { | |
561 | void *v_addr; /* access by driver */ | |
562 | dma_addr_t p_addr; /* access by card's busmaster DMA */ | |
563 | u32 len; /* bytes */ | |
564 | }; | |
565 | ||
566 | /* uCode file layout */ | |
bb8c093b | 567 | struct iwl4965_ucode { |
5d08cd1d CH |
568 | __le32 ver; /* major/minor/subminor */ |
569 | __le32 inst_size; /* bytes of runtime instructions */ | |
570 | __le32 data_size; /* bytes of runtime data */ | |
571 | __le32 init_size; /* bytes of initialization instructions */ | |
572 | __le32 init_data_size; /* bytes of initialization data */ | |
573 | __le32 boot_size; /* bytes of bootstrap instructions */ | |
574 | u8 data[0]; /* data in same order as "size" elements */ | |
575 | }; | |
576 | ||
577 | #define IWL_IBSS_MAC_HASH_SIZE 32 | |
578 | ||
bb8c093b | 579 | struct iwl4965_ibss_seq { |
5d08cd1d CH |
580 | u8 mac[ETH_ALEN]; |
581 | u16 seq_num; | |
582 | u16 frag_num; | |
583 | unsigned long packet_time; | |
584 | struct list_head list; | |
585 | }; | |
586 | ||
bc47279f BC |
587 | /** |
588 | * struct iwl4965_driver_hw_info | |
589 | * @max_txq_num: Max # Tx queues supported | |
bc47279f | 590 | * @tx_cmd_len: Size of Tx command (but not including frame itself) |
3e82a822 | 591 | * @tx_ant_num: Number of TX antennas |
bc47279f BC |
592 | * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) |
593 | * @rx_buffer_size: | |
594 | * @max_rxq_log: Log-base-2 of max_rxq_size | |
595 | * @max_stations: | |
596 | * @bcast_sta_id: | |
597 | * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status | |
598 | * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status | |
599 | */ | |
bb8c093b | 600 | struct iwl4965_driver_hw_info { |
5d08cd1d | 601 | u16 max_txq_num; |
5d08cd1d | 602 | u16 tx_cmd_len; |
3e82a822 | 603 | u16 tx_ant_num; |
5d08cd1d | 604 | u16 max_rxq_size; |
9ee1ba47 RR |
605 | u32 rx_buf_size; |
606 | u32 max_pkt_size; | |
5d08cd1d CH |
607 | u16 max_rxq_log; |
608 | u8 max_stations; | |
609 | u8 bcast_sta_id; | |
610 | void *shared_virt; | |
611 | dma_addr_t shared_phys; | |
612 | }; | |
613 | ||
5d08cd1d CH |
614 | #define HT_SHORT_GI_20MHZ_ONLY (1 << 0) |
615 | #define HT_SHORT_GI_40MHZ_ONLY (1 << 1) | |
616 | ||
617 | ||
bb8c093b | 618 | #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\ |
5d08cd1d CH |
619 | x->u.rx_frame.stats.payload + \ |
620 | x->u.rx_frame.stats.phy_count)) | |
bb8c093b | 621 | #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\ |
5d08cd1d CH |
622 | IWL_RX_HDR(x)->payload + \ |
623 | le16_to_cpu(IWL_RX_HDR(x)->len))) | |
624 | #define IWL_RX_STATS(x) (&x->u.rx_frame.stats) | |
625 | #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) | |
626 | ||
627 | ||
628 | /****************************************************************************** | |
629 | * | |
630 | * Functions implemented in iwl-base.c which are forward declared here | |
631 | * for use by iwl-*.c | |
632 | * | |
633 | *****************************************************************************/ | |
bb8c093b | 634 | struct iwl4965_addsta_cmd; |
c79dd5b5 | 635 | extern int iwl4965_send_add_station(struct iwl_priv *priv, |
bb8c093b | 636 | struct iwl4965_addsta_cmd *sta, u8 flags); |
c79dd5b5 | 637 | extern u8 iwl4965_add_station_flags(struct iwl_priv *priv, const u8 *addr, |
67d62035 | 638 | int is_ap, u8 flags, void *ht_data); |
c79dd5b5 | 639 | extern int iwl4965_is_network_packet(struct iwl_priv *priv, |
5d08cd1d | 640 | struct ieee80211_hdr *header); |
c79dd5b5 TW |
641 | extern int iwl4965_power_init_handle(struct iwl_priv *priv); |
642 | extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv, | |
bb8c093b | 643 | struct iwl4965_rx_mem_buffer *rxb, |
5d08cd1d CH |
644 | void *data, short len, |
645 | struct ieee80211_rx_status *stats, | |
646 | u16 phy_flags); | |
c79dd5b5 | 647 | extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv, |
bb8c093b | 648 | struct ieee80211_hdr *header); |
c79dd5b5 TW |
649 | extern int iwl4965_rx_queue_alloc(struct iwl_priv *priv); |
650 | extern void iwl4965_rx_queue_reset(struct iwl_priv *priv, | |
bb8c093b CH |
651 | struct iwl4965_rx_queue *rxq); |
652 | extern int iwl4965_calc_db_from_ratio(int sig_ratio); | |
653 | extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm); | |
c79dd5b5 | 654 | extern int iwl4965_tx_queue_init(struct iwl_priv *priv, |
bb8c093b CH |
655 | struct iwl4965_tx_queue *txq, int count, u32 id); |
656 | extern void iwl4965_rx_replenish(void *data); | |
c79dd5b5 TW |
657 | extern void iwl4965_tx_queue_free(struct iwl_priv *priv, struct iwl4965_tx_queue *txq); |
658 | extern int iwl4965_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len, | |
5d08cd1d | 659 | const void *data); |
c79dd5b5 | 660 | extern int __must_check iwl4965_send_cmd(struct iwl_priv *priv, |
bb8c093b | 661 | struct iwl4965_host_cmd *cmd); |
c79dd5b5 | 662 | extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv, |
5d08cd1d CH |
663 | struct ieee80211_hdr *hdr, |
664 | const u8 *dest, int left); | |
c79dd5b5 | 665 | extern int iwl4965_rx_queue_update_write_ptr(struct iwl_priv *priv, |
bb8c093b | 666 | struct iwl4965_rx_queue *q); |
c79dd5b5 TW |
667 | extern int iwl4965_send_statistics_request(struct iwl_priv *priv); |
668 | extern void iwl4965_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb, | |
5d08cd1d CH |
669 | u32 decrypt_res, |
670 | struct ieee80211_rx_status *stats); | |
671 | extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr); | |
672 | ||
bb8c093b | 673 | extern const u8 iwl4965_broadcast_addr[ETH_ALEN]; |
5d08cd1d CH |
674 | |
675 | /* | |
676 | * Currently used by iwl-3945-rs... look at restructuring so that it doesn't | |
677 | * call this... todo... fix that. | |
678 | */ | |
c79dd5b5 | 679 | extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id, |
5d08cd1d CH |
680 | u16 tx_rate, u8 flags); |
681 | ||
682 | /****************************************************************************** | |
683 | * | |
684 | * Functions implemented in iwl-[34]*.c which are forward declared here | |
685 | * for use by iwl-base.c | |
686 | * | |
687 | * NOTE: The implementation of these functions are hardware specific | |
688 | * which is why they are in the hardware specific files (vs. iwl-base.c) | |
689 | * | |
690 | * Naming convention -- | |
bb8c093b CH |
691 | * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_) |
692 | * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) | |
5d08cd1d | 693 | * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) |
bb8c093b CH |
694 | * iwl4965_bg_ <-- Called from work queue context |
695 | * iwl4965_mac_ <-- mac80211 callback | |
5d08cd1d CH |
696 | * |
697 | ****************************************************************************/ | |
c79dd5b5 TW |
698 | extern void iwl4965_hw_rx_handler_setup(struct iwl_priv *priv); |
699 | extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv); | |
700 | extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv); | |
701 | extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv); | |
702 | extern int iwl4965_hw_set_hw_setting(struct iwl_priv *priv); | |
703 | extern int iwl4965_hw_nic_init(struct iwl_priv *priv); | |
704 | extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv); | |
705 | extern void iwl4965_hw_txq_ctx_free(struct iwl_priv *priv); | |
706 | extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv); | |
707 | extern int iwl4965_hw_nic_reset(struct iwl_priv *priv); | |
708 | extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd, | |
5d08cd1d | 709 | dma_addr_t addr, u16 len); |
c79dd5b5 TW |
710 | extern int iwl4965_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl4965_tx_queue *txq); |
711 | extern int iwl4965_hw_get_temperature(struct iwl_priv *priv); | |
712 | extern int iwl4965_hw_tx_queue_init(struct iwl_priv *priv, | |
bb8c093b | 713 | struct iwl4965_tx_queue *txq); |
c79dd5b5 | 714 | extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv, |
bb8c093b | 715 | struct iwl4965_frame *frame, u8 rate); |
c79dd5b5 TW |
716 | extern int iwl4965_hw_get_rx_read(struct iwl_priv *priv); |
717 | extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv, | |
bb8c093b | 718 | struct iwl4965_cmd *cmd, |
5d08cd1d CH |
719 | struct ieee80211_tx_control *ctrl, |
720 | struct ieee80211_hdr *hdr, | |
721 | int sta_id, int tx_id); | |
c79dd5b5 TW |
722 | extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv); |
723 | extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power); | |
724 | extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv, | |
bb8c093b | 725 | struct iwl4965_rx_mem_buffer *rxb); |
c79dd5b5 TW |
726 | extern void iwl4965_disable_events(struct iwl_priv *priv); |
727 | extern int iwl4965_get_temperature(const struct iwl_priv *priv); | |
5d08cd1d CH |
728 | |
729 | /** | |
bb8c093b | 730 | * iwl4965_hw_find_station - Find station id for a given BSSID |
5d08cd1d CH |
731 | * @bssid: MAC address of station ID to find |
732 | * | |
733 | * NOTE: This should not be hardware specific but the code has | |
734 | * not yet been merged into a single common layer for managing the | |
735 | * station tables. | |
736 | */ | |
c79dd5b5 | 737 | extern u8 iwl4965_hw_find_station(struct iwl_priv *priv, const u8 *bssid); |
5d08cd1d | 738 | |
c79dd5b5 TW |
739 | extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel); |
740 | extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index); | |
fe01b477 | 741 | extern int iwl4965_queue_space(const struct iwl4965_queue *q); |
c79dd5b5 | 742 | struct iwl_priv; |
b481de9c ZY |
743 | |
744 | /* | |
745 | * Forward declare iwl-4965.c functions for iwl-base.c | |
746 | */ | |
c79dd5b5 | 747 | extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv, |
bb8c093b | 748 | struct iwl4965_tx_queue *txq, |
b481de9c | 749 | u16 byte_cnt); |
c79dd5b5 | 750 | extern void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr, |
b481de9c | 751 | int is_ap); |
c79dd5b5 TW |
752 | extern void iwl4965_set_rxon_chain(struct iwl_priv *priv); |
753 | extern int iwl4965_alive_notify(struct iwl_priv *priv); | |
754 | extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode); | |
755 | extern void iwl4965_chain_noise_reset(struct iwl_priv *priv); | |
756 | extern void iwl4965_init_sensitivity(struct iwl_priv *priv, u8 flags, | |
b481de9c | 757 | u8 force); |
c79dd5b5 | 758 | extern int iwl4965_set_fat_chan_info(struct iwl_priv *priv, |
8318d78a | 759 | enum ieee80211_band band, |
b481de9c | 760 | u16 channel, |
bb8c093b | 761 | const struct iwl4965_eeprom_channel *eeprom_ch, |
b481de9c | 762 | u8 fat_extension_channel); |
c79dd5b5 TW |
763 | extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv); |
764 | extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, | |
4c424e4c RR |
765 | u32 rate_n_flags, |
766 | struct ieee80211_tx_control *control); | |
b481de9c | 767 | |
c8b0e6e1 | 768 | #ifdef CONFIG_IWL4965_HT |
78330fdd TW |
769 | void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info, |
770 | enum ieee80211_band band); | |
c79dd5b5 | 771 | void iwl4965_set_rxon_ht(struct iwl_priv *priv, |
78330fdd | 772 | struct iwl_ht_info *ht_info); |
c79dd5b5 | 773 | void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index, |
67d62035 | 774 | struct ieee80211_ht_info *sta_ht_inf); |
78330fdd | 775 | int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw, |
9ab46173 | 776 | enum ieee80211_ampdu_mlme_action action, |
0df3ef45 | 777 | const u8 *addr, u16 tid, u16 *ssn); |
c79dd5b5 | 778 | int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id, |
fe01b477 | 779 | u8 tid, int txq_id); |
78330fdd TW |
780 | #else |
781 | static inline void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info, | |
782 | enum ieee80211_band band) {} | |
783 | ||
c8b0e6e1 | 784 | #endif /*CONFIG_IWL4965_HT */ |
b481de9c ZY |
785 | /* Structures, enum, and defines specific to the 4965 */ |
786 | ||
787 | #define IWL4965_KW_SIZE 0x1000 /*4k */ | |
788 | ||
bb8c093b | 789 | struct iwl4965_kw { |
b481de9c ZY |
790 | dma_addr_t dma_addr; |
791 | void *v_addr; | |
792 | size_t size; | |
793 | }; | |
794 | ||
b481de9c ZY |
795 | #define IWL_CHANNEL_WIDTH_20MHZ 0 |
796 | #define IWL_CHANNEL_WIDTH_40MHZ 1 | |
797 | ||
798 | #define IWL_MIMO_PS_STATIC 0 | |
799 | #define IWL_MIMO_PS_NONE 3 | |
800 | #define IWL_MIMO_PS_DYNAMIC 1 | |
801 | #define IWL_MIMO_PS_INVALID 2 | |
802 | ||
803 | #define IWL_OPERATION_MODE_AUTO 0 | |
804 | #define IWL_OPERATION_MODE_HT_ONLY 1 | |
805 | #define IWL_OPERATION_MODE_MIXED 2 | |
806 | #define IWL_OPERATION_MODE_20MHZ 3 | |
807 | ||
134eb5d3 GC |
808 | #define IWL_EXT_CHANNEL_OFFSET_NONE 0 |
809 | #define IWL_EXT_CHANNEL_OFFSET_ABOVE 1 | |
810 | #define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2 | |
811 | #define IWL_EXT_CHANNEL_OFFSET_BELOW 3 | |
b481de9c ZY |
812 | |
813 | #define NRG_NUM_PREV_STAT_L 20 | |
814 | #define NUM_RX_CHAINS (3) | |
815 | ||
b481de9c | 816 | #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 |
b481de9c | 817 | |
bb8c093b | 818 | struct iwl4965_lq_mngr { |
b481de9c ZY |
819 | spinlock_t lock; |
820 | s32 max_window_size; | |
821 | s32 *expected_tpt; | |
822 | u8 *next_higher_rate; | |
823 | u8 *next_lower_rate; | |
824 | unsigned long stamp; | |
825 | unsigned long stamp_last; | |
826 | u32 flush_time; | |
827 | u32 tx_packets; | |
828 | u8 lq_ready; | |
829 | }; | |
830 | ||
b481de9c ZY |
831 | /* Sensitivity and chain noise calibration */ |
832 | #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1) | |
833 | #define INITIALIZATION_VALUE 0xFFFF | |
834 | #define CAL_NUM_OF_BEACONS 20 | |
835 | #define MAXIMUM_ALLOWED_PATHLOSS 15 | |
836 | ||
b481de9c ZY |
837 | #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 |
838 | ||
839 | #define MAX_FA_OFDM 50 | |
840 | #define MIN_FA_OFDM 5 | |
841 | #define MAX_FA_CCK 50 | |
842 | #define MIN_FA_CCK 5 | |
843 | ||
844 | #define NRG_MIN_CCK 97 | |
845 | #define NRG_MAX_CCK 0 | |
846 | ||
847 | #define AUTO_CORR_MIN_OFDM 85 | |
848 | #define AUTO_CORR_MIN_OFDM_MRC 170 | |
849 | #define AUTO_CORR_MIN_OFDM_X1 105 | |
850 | #define AUTO_CORR_MIN_OFDM_MRC_X1 220 | |
851 | #define AUTO_CORR_MAX_OFDM 120 | |
852 | #define AUTO_CORR_MAX_OFDM_MRC 210 | |
853 | #define AUTO_CORR_MAX_OFDM_X1 140 | |
854 | #define AUTO_CORR_MAX_OFDM_MRC_X1 270 | |
855 | #define AUTO_CORR_STEP_OFDM 1 | |
856 | ||
857 | #define AUTO_CORR_MIN_CCK (125) | |
858 | #define AUTO_CORR_MAX_CCK (200) | |
859 | #define AUTO_CORR_MIN_CCK_MRC 200 | |
860 | #define AUTO_CORR_MAX_CCK_MRC 400 | |
861 | #define AUTO_CORR_STEP_CCK 3 | |
862 | #define AUTO_CORR_MAX_TH_CCK 160 | |
863 | ||
b481de9c ZY |
864 | #define NRG_DIFF 2 |
865 | #define NRG_STEP_CCK 2 | |
866 | #define NRG_MARGIN 8 | |
867 | #define MAX_NUMBER_CCK_NO_FA 100 | |
868 | ||
869 | #define AUTO_CORR_CCK_MIN_VAL_DEF (125) | |
870 | ||
871 | #define CHAIN_A 0 | |
872 | #define CHAIN_B 1 | |
873 | #define CHAIN_C 2 | |
874 | #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 | |
875 | #define ALL_BAND_FILTER 0xFF00 | |
876 | #define IN_BAND_FILTER 0xFF | |
877 | #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF | |
878 | ||
bb8c093b | 879 | enum iwl4965_false_alarm_state { |
b481de9c ZY |
880 | IWL_FA_TOO_MANY = 0, |
881 | IWL_FA_TOO_FEW = 1, | |
882 | IWL_FA_GOOD_RANGE = 2, | |
883 | }; | |
884 | ||
bb8c093b | 885 | enum iwl4965_chain_noise_state { |
b481de9c ZY |
886 | IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ |
887 | IWL_CHAIN_NOISE_ACCUMULATE = 1, | |
888 | IWL_CHAIN_NOISE_CALIBRATED = 2, | |
889 | }; | |
890 | ||
bb8c093b | 891 | enum iwl4965_sensitivity_state { |
b481de9c ZY |
892 | IWL_SENS_CALIB_ALLOWED = 0, |
893 | IWL_SENS_CALIB_NEED_REINIT = 1, | |
894 | }; | |
895 | ||
bb8c093b | 896 | enum iwl4965_calib_enabled_state { |
b481de9c ZY |
897 | IWL_CALIB_DISABLED = 0, /* must be 0 */ |
898 | IWL_CALIB_ENABLED = 1, | |
899 | }; | |
900 | ||
901 | struct statistics_general_data { | |
902 | u32 beacon_silence_rssi_a; | |
903 | u32 beacon_silence_rssi_b; | |
904 | u32 beacon_silence_rssi_c; | |
905 | u32 beacon_energy_a; | |
906 | u32 beacon_energy_b; | |
907 | u32 beacon_energy_c; | |
908 | }; | |
909 | ||
910 | /* Sensitivity calib data */ | |
bb8c093b | 911 | struct iwl4965_sensitivity_data { |
b481de9c ZY |
912 | u32 auto_corr_ofdm; |
913 | u32 auto_corr_ofdm_mrc; | |
914 | u32 auto_corr_ofdm_x1; | |
915 | u32 auto_corr_ofdm_mrc_x1; | |
916 | u32 auto_corr_cck; | |
917 | u32 auto_corr_cck_mrc; | |
918 | ||
919 | u32 last_bad_plcp_cnt_ofdm; | |
920 | u32 last_fa_cnt_ofdm; | |
921 | u32 last_bad_plcp_cnt_cck; | |
922 | u32 last_fa_cnt_cck; | |
923 | ||
924 | u32 nrg_curr_state; | |
925 | u32 nrg_prev_state; | |
926 | u32 nrg_value[10]; | |
927 | u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; | |
928 | u32 nrg_silence_ref; | |
929 | u32 nrg_energy_idx; | |
930 | u32 nrg_silence_idx; | |
931 | u32 nrg_th_cck; | |
932 | s32 nrg_auto_corr_silence_diff; | |
933 | u32 num_in_cck_no_fa; | |
934 | u32 nrg_th_ofdm; | |
935 | ||
936 | u8 state; | |
937 | }; | |
938 | ||
939 | /* Chain noise (differential Rx gain) calib data */ | |
bb8c093b | 940 | struct iwl4965_chain_noise_data { |
b481de9c ZY |
941 | u8 state; |
942 | u16 beacon_count; | |
943 | u32 chain_noise_a; | |
944 | u32 chain_noise_b; | |
945 | u32 chain_noise_c; | |
946 | u32 chain_signal_a; | |
947 | u32 chain_signal_b; | |
948 | u32 chain_signal_c; | |
949 | u8 disconn_array[NUM_RX_CHAINS]; | |
950 | u8 delta_gain_code[NUM_RX_CHAINS]; | |
951 | u8 radio_write; | |
952 | }; | |
953 | ||
abceddb4 BC |
954 | #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ |
955 | #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ | |
b481de9c | 956 | |
5d08cd1d | 957 | |
c8b0e6e1 | 958 | #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT |
5d08cd1d CH |
959 | |
960 | enum { | |
961 | MEASUREMENT_READY = (1 << 0), | |
962 | MEASUREMENT_ACTIVE = (1 << 1), | |
963 | }; | |
964 | ||
965 | #endif | |
966 | ||
c79dd5b5 | 967 | struct iwl_priv { |
5d08cd1d CH |
968 | |
969 | /* ieee device used by generic ieee processing code */ | |
970 | struct ieee80211_hw *hw; | |
971 | struct ieee80211_channel *ieee_channels; | |
972 | struct ieee80211_rate *ieee_rates; | |
82b9a121 | 973 | struct iwl_cfg *cfg; |
5d08cd1d CH |
974 | |
975 | /* temporary frame storage list */ | |
976 | struct list_head free_frames; | |
977 | int frames_count; | |
978 | ||
8318d78a | 979 | enum ieee80211_band band; |
5d08cd1d | 980 | int alloc_rxb_skb; |
12342c47 | 981 | bool add_radiotap; |
5d08cd1d | 982 | |
c79dd5b5 | 983 | void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, |
bb8c093b | 984 | struct iwl4965_rx_mem_buffer *rxb); |
5d08cd1d | 985 | |
8318d78a | 986 | struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; |
5d08cd1d | 987 | |
c8b0e6e1 | 988 | #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT |
5d08cd1d | 989 | /* spectrum measurement report caching */ |
bb8c093b | 990 | struct iwl4965_spectrum_notification measure_report; |
5d08cd1d CH |
991 | u8 measurement_status; |
992 | #endif | |
993 | /* ucode beacon time */ | |
994 | u32 ucode_beacon_time; | |
995 | ||
bb8c093b | 996 | /* we allocate array of iwl4965_channel_info for NIC's valid channels. |
5d08cd1d | 997 | * Access via channel # using indirect index array */ |
bb8c093b | 998 | struct iwl4965_channel_info *channel_info; /* channel info array */ |
5d08cd1d CH |
999 | u8 channel_count; /* # of channels */ |
1000 | ||
1001 | /* each calibration channel group in the EEPROM has a derived | |
1002 | * clip setting for each rate. */ | |
bb8c093b | 1003 | const struct iwl4965_clip_group clip_groups[5]; |
5d08cd1d CH |
1004 | |
1005 | /* thermal calibration */ | |
1006 | s32 temperature; /* degrees Kelvin */ | |
1007 | s32 last_temperature; | |
1008 | ||
1009 | /* Scan related variables */ | |
1010 | unsigned long last_scan_jiffies; | |
7878a5a4 | 1011 | unsigned long next_scan_jiffies; |
5d08cd1d CH |
1012 | unsigned long scan_start; |
1013 | unsigned long scan_pass_start; | |
1014 | unsigned long scan_start_tsf; | |
1015 | int scan_bands; | |
1016 | int one_direct_scan; | |
1017 | u8 direct_ssid_len; | |
1018 | u8 direct_ssid[IW_ESSID_MAX_SIZE]; | |
bb8c093b | 1019 | struct iwl4965_scan_cmd *scan; |
5d08cd1d CH |
1020 | u8 only_active_channel; |
1021 | ||
1022 | /* spinlock */ | |
1023 | spinlock_t lock; /* protect general shared data */ | |
1024 | spinlock_t hcmd_lock; /* protect hcmd */ | |
1025 | struct mutex mutex; | |
1026 | ||
1027 | /* basic pci-network driver stuff */ | |
1028 | struct pci_dev *pci_dev; | |
1029 | ||
1030 | /* pci hardware address support */ | |
1031 | void __iomem *hw_base; | |
1032 | ||
1033 | /* uCode images, save to reload in case of failure */ | |
1034 | struct fw_desc ucode_code; /* runtime inst */ | |
1035 | struct fw_desc ucode_data; /* runtime data original */ | |
1036 | struct fw_desc ucode_data_backup; /* runtime data save/restore */ | |
1037 | struct fw_desc ucode_init; /* initialization inst */ | |
1038 | struct fw_desc ucode_init_data; /* initialization data */ | |
1039 | struct fw_desc ucode_boot; /* bootstrap inst */ | |
1040 | ||
1041 | ||
bb8c093b | 1042 | struct iwl4965_rxon_time_cmd rxon_timing; |
5d08cd1d CH |
1043 | |
1044 | /* We declare this const so it can only be | |
1045 | * changed via explicit cast within the | |
1046 | * routines that actually update the physical | |
1047 | * hardware */ | |
bb8c093b CH |
1048 | const struct iwl4965_rxon_cmd active_rxon; |
1049 | struct iwl4965_rxon_cmd staging_rxon; | |
5d08cd1d CH |
1050 | |
1051 | int error_recovering; | |
bb8c093b | 1052 | struct iwl4965_rxon_cmd recovery_rxon; |
5d08cd1d CH |
1053 | |
1054 | /* 1st responses from initialize and runtime uCode images. | |
1055 | * 4965's initialize alive response contains some calibration data. */ | |
bb8c093b CH |
1056 | struct iwl4965_init_alive_resp card_alive_init; |
1057 | struct iwl4965_alive_resp card_alive; | |
5d08cd1d CH |
1058 | |
1059 | #ifdef LED | |
1060 | /* LED related variables */ | |
bb8c093b | 1061 | struct iwl4965_activity_blink activity; |
5d08cd1d CH |
1062 | unsigned long led_packets; |
1063 | int led_state; | |
1064 | #endif | |
1065 | ||
1066 | u16 active_rate; | |
1067 | u16 active_rate_basic; | |
1068 | ||
1069 | u8 call_post_assoc_from_beacon; | |
1070 | u8 assoc_station_added; | |
1071 | u8 use_ant_b_for_management_frame; /* Tx antenna selection */ | |
5d08cd1d | 1072 | u8 valid_antenna; /* Bit mask of antennas actually connected */ |
c8b0e6e1 | 1073 | #ifdef CONFIG_IWL4965_SENSITIVITY |
bb8c093b CH |
1074 | struct iwl4965_sensitivity_data sensitivity_data; |
1075 | struct iwl4965_chain_noise_data chain_noise_data; | |
5d08cd1d CH |
1076 | u8 start_calib; |
1077 | __le16 sensitivity_tbl[HD_TABLE_SIZE]; | |
c8b0e6e1 | 1078 | #endif /*CONFIG_IWL4965_SENSITIVITY*/ |
5d08cd1d | 1079 | |
c8b0e6e1 | 1080 | #ifdef CONFIG_IWL4965_HT |
9e0cc6de | 1081 | struct iwl_ht_info current_ht_config; |
5d08cd1d | 1082 | #endif |
5d08cd1d CH |
1083 | u8 last_phy_res[100]; |
1084 | ||
1085 | /* Rate scaling data */ | |
bb8c093b | 1086 | struct iwl4965_lq_mngr lq_mngr; |
5d08cd1d CH |
1087 | |
1088 | /* Rate scaling data */ | |
1089 | s8 data_retry_limit; | |
1090 | u8 retry_rate; | |
1091 | ||
1092 | wait_queue_head_t wait_command_queue; | |
1093 | ||
1094 | int activity_timer_active; | |
1095 | ||
1096 | /* Rx and Tx DMA processing queues */ | |
bb8c093b CH |
1097 | struct iwl4965_rx_queue rxq; |
1098 | struct iwl4965_tx_queue txq[IWL_MAX_NUM_QUEUES]; | |
5d08cd1d | 1099 | unsigned long txq_ctx_active_msk; |
bb8c093b | 1100 | struct iwl4965_kw kw; /* keep warm address */ |
5d08cd1d CH |
1101 | u32 scd_base_addr; /* scheduler sram base address */ |
1102 | ||
1103 | unsigned long status; | |
5d08cd1d CH |
1104 | |
1105 | int last_rx_rssi; /* From Rx packet statisitics */ | |
1106 | int last_rx_noise; /* From beacon statistics */ | |
1107 | ||
19758bef TW |
1108 | /* counts mgmt, ctl, and data packets */ |
1109 | struct traffic_stats { | |
1110 | u32 cnt; | |
1111 | u64 bytes; | |
1112 | } tx_stats[3], rx_stats[3]; | |
1113 | ||
bb8c093b | 1114 | struct iwl4965_power_mgr power_data; |
5d08cd1d | 1115 | |
bb8c093b | 1116 | struct iwl4965_notif_statistics statistics; |
5d08cd1d CH |
1117 | unsigned long last_statistics_time; |
1118 | ||
1119 | /* context information */ | |
1120 | u8 essid[IW_ESSID_MAX_SIZE]; | |
1121 | u8 essid_len; | |
1122 | u16 rates_mask; | |
1123 | ||
1124 | u32 power_mode; | |
1125 | u32 antenna; | |
1126 | u8 bssid[ETH_ALEN]; | |
1127 | u16 rts_threshold; | |
1128 | u8 mac_addr[ETH_ALEN]; | |
1129 | ||
1130 | /*station table variables */ | |
1131 | spinlock_t sta_lock; | |
1132 | int num_stations; | |
bb8c093b | 1133 | struct iwl4965_station_entry stations[IWL_STATION_COUNT]; |
5d08cd1d CH |
1134 | |
1135 | /* Indication if ieee80211_ops->open has been called */ | |
1136 | int is_open; | |
1137 | ||
1138 | u8 mac80211_registered; | |
5d08cd1d CH |
1139 | |
1140 | u32 notif_missed_beacons; | |
1141 | ||
1142 | /* Rx'd packet timing information */ | |
1143 | u32 last_beacon_time; | |
1144 | u64 last_tsf; | |
1145 | ||
1146 | /* Duplicate packet detection */ | |
1147 | u16 last_seq_num; | |
1148 | u16 last_frag_num; | |
1149 | unsigned long last_packet_time; | |
bc47279f BC |
1150 | |
1151 | /* Hash table for finding stations in IBSS network */ | |
5d08cd1d CH |
1152 | struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE]; |
1153 | ||
1154 | /* eeprom */ | |
bb8c093b | 1155 | struct iwl4965_eeprom eeprom; |
5d08cd1d CH |
1156 | |
1157 | int iw_mode; | |
1158 | ||
1159 | struct sk_buff *ibss_beacon; | |
1160 | ||
1161 | /* Last Rx'd beacon timestamp */ | |
1162 | u32 timestamp0; | |
1163 | u32 timestamp1; | |
1164 | u16 beacon_int; | |
bb8c093b | 1165 | struct iwl4965_driver_hw_info hw_setting; |
32bfd35d | 1166 | struct ieee80211_vif *vif; |
5d08cd1d CH |
1167 | |
1168 | /* Current association information needed to configure the | |
1169 | * hardware */ | |
1170 | u16 assoc_id; | |
1171 | u16 assoc_capability; | |
1172 | u8 ps_mode; | |
1173 | ||
bb8c093b | 1174 | struct iwl4965_qos_info qos_data; |
5d08cd1d CH |
1175 | |
1176 | struct workqueue_struct *workqueue; | |
1177 | ||
1178 | struct work_struct up; | |
1179 | struct work_struct restart; | |
1180 | struct work_struct calibrated_work; | |
1181 | struct work_struct scan_completed; | |
1182 | struct work_struct rx_replenish; | |
1183 | struct work_struct rf_kill; | |
1184 | struct work_struct abort_scan; | |
1185 | struct work_struct update_link_led; | |
1186 | struct work_struct auth_work; | |
1187 | struct work_struct report_work; | |
1188 | struct work_struct request_scan; | |
1189 | struct work_struct beacon_update; | |
1190 | ||
1191 | struct tasklet_struct irq_tasklet; | |
1192 | ||
1193 | struct delayed_work init_alive_start; | |
1194 | struct delayed_work alive_start; | |
1195 | struct delayed_work activity_timer; | |
1196 | struct delayed_work thermal_periodic; | |
1197 | struct delayed_work gather_stats; | |
1198 | struct delayed_work scan_check; | |
1199 | struct delayed_work post_associate; | |
1200 | ||
1201 | #define IWL_DEFAULT_TX_POWER 0x0F | |
1202 | s8 user_txpower_limit; | |
1203 | s8 max_channel_txpower_limit; | |
1204 | ||
1205 | #ifdef CONFIG_PM | |
1206 | u32 pm_state[16]; | |
1207 | #endif | |
1208 | ||
0a6857e7 | 1209 | #ifdef CONFIG_IWLWIFI_DEBUG |
5d08cd1d CH |
1210 | /* debugging info */ |
1211 | u32 framecnt_to_us; | |
1212 | atomic_t restrict_refcnt; | |
712b6cf5 TW |
1213 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1214 | /* debugfs */ | |
1215 | struct iwl_debugfs *dbgfs; | |
1216 | #endif /* CONFIG_IWLWIFI_DEBUGFS */ | |
1217 | #endif /* CONFIG_IWLWIFI_DEBUG */ | |
5d08cd1d CH |
1218 | |
1219 | struct work_struct txpower_work; | |
c8b0e6e1 | 1220 | #ifdef CONFIG_IWL4965_SENSITIVITY |
5d08cd1d CH |
1221 | struct work_struct sensitivity_work; |
1222 | #endif | |
1223 | struct work_struct statistics_work; | |
1224 | struct timer_list statistics_periodic; | |
c79dd5b5 | 1225 | }; /*iwl_priv */ |
5d08cd1d | 1226 | |
c79dd5b5 | 1227 | static inline int iwl4965_is_associated(struct iwl_priv *priv) |
5d08cd1d CH |
1228 | { |
1229 | return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; | |
1230 | } | |
1231 | ||
bb8c093b | 1232 | static inline int is_channel_valid(const struct iwl4965_channel_info *ch_info) |
5d08cd1d CH |
1233 | { |
1234 | if (ch_info == NULL) | |
1235 | return 0; | |
1236 | return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; | |
1237 | } | |
1238 | ||
bb8c093b | 1239 | static inline int is_channel_narrow(const struct iwl4965_channel_info *ch_info) |
5d08cd1d CH |
1240 | { |
1241 | return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0; | |
1242 | } | |
1243 | ||
bb8c093b | 1244 | static inline int is_channel_radar(const struct iwl4965_channel_info *ch_info) |
5d08cd1d CH |
1245 | { |
1246 | return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; | |
1247 | } | |
1248 | ||
bb8c093b | 1249 | static inline u8 is_channel_a_band(const struct iwl4965_channel_info *ch_info) |
5d08cd1d | 1250 | { |
8318d78a | 1251 | return ch_info->band == IEEE80211_BAND_5GHZ; |
5d08cd1d CH |
1252 | } |
1253 | ||
bb8c093b | 1254 | static inline u8 is_channel_bg_band(const struct iwl4965_channel_info *ch_info) |
5d08cd1d | 1255 | { |
8318d78a | 1256 | return ch_info->band == IEEE80211_BAND_2GHZ; |
5d08cd1d CH |
1257 | } |
1258 | ||
bb8c093b | 1259 | static inline int is_channel_passive(const struct iwl4965_channel_info *ch) |
5d08cd1d CH |
1260 | { |
1261 | return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; | |
1262 | } | |
1263 | ||
bb8c093b | 1264 | static inline int is_channel_ibss(const struct iwl4965_channel_info *ch) |
5d08cd1d CH |
1265 | { |
1266 | return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; | |
1267 | } | |
1268 | ||
bb8c093b | 1269 | extern const struct iwl4965_channel_info *iwl4965_get_channel_info( |
c79dd5b5 | 1270 | const struct iwl_priv *priv, enum ieee80211_band band, u16 channel); |
5d08cd1d | 1271 | |
c79dd5b5 | 1272 | /* Requires full declaration of iwl_priv before including */ |
5d08cd1d CH |
1273 | #include "iwl-4965-io.h" |
1274 | ||
bb8c093b | 1275 | #endif /* __iwl4965_4965_h__ */ |