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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 | 26 | /* |
3e0d4cb1 | 27 | * Please use this file (iwl-dev.h) for driver implementation definitions. |
5a36ba0e | 28 | * Please use iwl-commands.h for uCode API definitions. |
fcd427bb BC |
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 | #define DRV_NAME "iwl4965" |
ad97edd2 | 40 | #include "iwl-rfkill.h" |
6bc913bd | 41 | #include "iwl-eeprom.h" |
5d08cd1d | 42 | #include "iwl-4965-hw.h" |
6f83eaa1 | 43 | #include "iwl-csr.h" |
5d08cd1d | 44 | #include "iwl-prph.h" |
0a6857e7 | 45 | #include "iwl-debug.h" |
ab53d8af | 46 | #include "iwl-led.h" |
5da4b55f | 47 | #include "iwl-power.h" |
5d08cd1d | 48 | |
fed9017e RR |
49 | /* configuration for the iwl4965 */ |
50 | extern struct iwl_cfg iwl4965_agn_cfg; | |
5a6a256e TW |
51 | extern struct iwl_cfg iwl5300_agn_cfg; |
52 | extern struct iwl_cfg iwl5100_agn_cfg; | |
53 | extern struct iwl_cfg iwl5350_agn_cfg; | |
fed9017e | 54 | |
4bf775cd TW |
55 | /* Change firmware file name, using "-" and incrementing number, |
56 | * *only* when uCode interface or architecture changes so that it | |
57 | * is not compatible with earlier drivers. | |
58 | * This number will also appear in << 8 position of 1st dword of uCode file */ | |
59 | #define IWL4965_UCODE_API "-1" | |
60 | ||
099b40b7 RR |
61 | /* CT-KILL constants */ |
62 | #define CT_KILL_THRESHOLD 110 /* in Celsius */ | |
4bf775cd | 63 | |
5d08cd1d CH |
64 | /* 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 | ||
5d08cd1d CH |
77 | /* |
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 | ||
a55360e4 | 94 | struct iwl_rx_mem_buffer { |
5d08cd1d CH |
95 | dma_addr_t dma_addr; |
96 | struct sk_buff *skb; | |
97 | struct list_head list; | |
98 | }; | |
99 | ||
5d08cd1d CH |
100 | /* |
101 | * Generic queue structure | |
102 | * | |
103 | * Contains common data for Rx and Tx queues | |
104 | */ | |
443cfd45 | 105 | struct iwl_queue { |
5d08cd1d CH |
106 | int n_bd; /* number of BDs in this queue */ |
107 | int write_ptr; /* 1-st empty entry (index) host_w*/ | |
108 | int read_ptr; /* last used entry (index) host_r*/ | |
109 | dma_addr_t dma_addr; /* physical addr for BD's */ | |
110 | int n_window; /* safe queue window */ | |
111 | u32 id; | |
112 | int low_mark; /* low watermark, resume queue if free | |
113 | * space more than this */ | |
114 | int high_mark; /* high watermark, stop queue if free | |
115 | * space less than this */ | |
116 | } __attribute__ ((packed)); | |
117 | ||
118 | #define MAX_NUM_OF_TBS (20) | |
119 | ||
bc47279f | 120 | /* One for each TFD */ |
8567c63e | 121 | struct iwl_tx_info { |
5d08cd1d CH |
122 | struct sk_buff *skb[MAX_NUM_OF_TBS]; |
123 | }; | |
124 | ||
125 | /** | |
16466903 | 126 | * struct iwl_tx_queue - Tx Queue for DMA |
bc47279f BC |
127 | * @q: generic Rx/Tx queue descriptor |
128 | * @bd: base of circular buffer of TFDs | |
129 | * @cmd: array of command/Tx buffers | |
130 | * @dma_addr_cmd: physical address of cmd/tx buffer array | |
131 | * @txb: array of per-TFD driver data | |
132 | * @need_update: indicates need to update read/write index | |
133 | * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled | |
5d08cd1d | 134 | * |
bc47279f BC |
135 | * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame |
136 | * descriptors) and required locking structures. | |
5d08cd1d | 137 | */ |
16466903 | 138 | struct iwl_tx_queue { |
443cfd45 | 139 | struct iwl_queue q; |
1053d35f | 140 | struct iwl_tfd_frame *bd; |
857485c0 | 141 | struct iwl_cmd *cmd; |
5d08cd1d | 142 | dma_addr_t dma_addr_cmd; |
8567c63e | 143 | struct iwl_tx_info *txb; |
5d08cd1d CH |
144 | int need_update; |
145 | int sched_retry; | |
146 | int active; | |
147 | }; | |
148 | ||
149 | #define IWL_NUM_SCAN_RATES (2) | |
150 | ||
bb8c093b | 151 | struct iwl4965_channel_tgd_info { |
5d08cd1d CH |
152 | u8 type; |
153 | s8 max_power; | |
154 | }; | |
155 | ||
bb8c093b | 156 | struct iwl4965_channel_tgh_info { |
5d08cd1d CH |
157 | s64 last_radar_time; |
158 | }; | |
159 | ||
160 | /* current Tx power values to use, one for each rate for each channel. | |
161 | * requested power is limited by: | |
162 | * -- regulatory EEPROM limits for this channel | |
163 | * -- hardware capabilities (clip-powers) | |
164 | * -- spectrum management | |
165 | * -- user preference (e.g. iwconfig) | |
166 | * when requested power is set, base power index must also be set. */ | |
bb8c093b CH |
167 | struct iwl4965_channel_power_info { |
168 | struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */ | |
5d08cd1d CH |
169 | s8 power_table_index; /* actual (compenst'd) index into gain table */ |
170 | s8 base_power_index; /* gain index for power at factory temp. */ | |
171 | s8 requested_power; /* power (dBm) requested for this chnl/rate */ | |
172 | }; | |
173 | ||
174 | /* current scan Tx power values to use, one for each scan rate for each | |
175 | * channel. */ | |
bb8c093b CH |
176 | struct iwl4965_scan_power_info { |
177 | struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */ | |
5d08cd1d CH |
178 | s8 power_table_index; /* actual (compenst'd) index into gain table */ |
179 | s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ | |
180 | }; | |
181 | ||
fcd427bb BC |
182 | /* For fat_extension_channel */ |
183 | enum { | |
184 | HT_IE_EXT_CHANNEL_NONE = 0, | |
185 | HT_IE_EXT_CHANNEL_ABOVE, | |
186 | HT_IE_EXT_CHANNEL_INVALID, | |
187 | HT_IE_EXT_CHANNEL_BELOW, | |
188 | HT_IE_EXT_CHANNEL_MAX | |
189 | }; | |
190 | ||
5d08cd1d CH |
191 | /* |
192 | * One for each channel, holds all channel setup data | |
193 | * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant | |
194 | * with one another! | |
195 | */ | |
196 | #define IWL4965_MAX_RATE (33) | |
197 | ||
bf85ea4f | 198 | struct iwl_channel_info { |
bb8c093b CH |
199 | struct iwl4965_channel_tgd_info tgd; |
200 | struct iwl4965_channel_tgh_info tgh; | |
073d3f5f TW |
201 | struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ |
202 | struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for | |
203 | * FAT channel */ | |
5d08cd1d CH |
204 | |
205 | u8 channel; /* channel number */ | |
206 | u8 flags; /* flags copied from EEPROM */ | |
207 | s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ | |
fcd427bb | 208 | s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ |
5d08cd1d CH |
209 | s8 min_power; /* always 0 */ |
210 | s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ | |
211 | ||
212 | u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ | |
213 | u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ | |
8318d78a | 214 | enum ieee80211_band band; |
5d08cd1d CH |
215 | |
216 | /* Radio/DSP gain settings for each "normal" data Tx rate. | |
217 | * These include, in addition to RF and DSP gain, a few fields for | |
218 | * remembering/modifying gain settings (indexes). */ | |
bb8c093b | 219 | struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE]; |
5d08cd1d CH |
220 | |
221 | /* FAT channel info */ | |
222 | s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ | |
223 | s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ | |
224 | s8 fat_min_power; /* always 0 */ | |
225 | s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */ | |
226 | u8 fat_flags; /* flags copied from EEPROM */ | |
fcd427bb | 227 | u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */ |
5d08cd1d CH |
228 | |
229 | /* Radio/DSP gain settings for each scan rate, for directed scans. */ | |
bb8c093b | 230 | struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; |
5d08cd1d CH |
231 | }; |
232 | ||
bb8c093b | 233 | struct iwl4965_clip_group { |
5d08cd1d CH |
234 | /* maximum power level to prevent clipping for each rate, derived by |
235 | * us from this band's saturation power in EEPROM */ | |
236 | const s8 clip_powers[IWL_MAX_RATES]; | |
237 | }; | |
238 | ||
239 | #include "iwl-4965-rs.h" | |
240 | ||
241 | #define IWL_TX_FIFO_AC0 0 | |
242 | #define IWL_TX_FIFO_AC1 1 | |
243 | #define IWL_TX_FIFO_AC2 2 | |
244 | #define IWL_TX_FIFO_AC3 3 | |
245 | #define IWL_TX_FIFO_HCCA_1 5 | |
246 | #define IWL_TX_FIFO_HCCA_2 6 | |
247 | #define IWL_TX_FIFO_NONE 7 | |
248 | ||
249 | /* Minimum number of queues. MAX_NUM is defined in hw specific files */ | |
250 | #define IWL_MIN_NUM_QUEUES 4 | |
251 | ||
252 | /* Power management (not Tx power) structures */ | |
253 | ||
6f4083aa TW |
254 | enum iwl_pwr_src { |
255 | IWL_PWR_SRC_VMAIN, | |
256 | IWL_PWR_SRC_VAUX, | |
257 | }; | |
258 | ||
5d08cd1d CH |
259 | #define IEEE80211_DATA_LEN 2304 |
260 | #define IEEE80211_4ADDR_LEN 30 | |
261 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) | |
262 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) | |
263 | ||
fcab423d | 264 | struct iwl_frame { |
5d08cd1d CH |
265 | union { |
266 | struct ieee80211_hdr frame; | |
bb8c093b | 267 | struct iwl4965_tx_beacon_cmd beacon; |
5d08cd1d CH |
268 | u8 raw[IEEE80211_FRAME_LEN]; |
269 | u8 cmd[360]; | |
270 | } u; | |
271 | struct list_head list; | |
272 | }; | |
273 | ||
274 | #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf) | |
275 | #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8) | |
a0b484fe JB |
276 | #define SEQ_TO_INDEX(x) ((u8)(x & 0xff)) |
277 | #define INDEX_TO_SEQ(x) ((u8)(x & 0xff)) | |
5d08cd1d CH |
278 | #define SEQ_HUGE_FRAME (0x4000) |
279 | #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000) | |
280 | #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) | |
281 | #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) | |
282 | #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) | |
283 | ||
284 | enum { | |
285 | /* CMD_SIZE_NORMAL = 0, */ | |
286 | CMD_SIZE_HUGE = (1 << 0), | |
287 | /* CMD_SYNC = 0, */ | |
288 | CMD_ASYNC = (1 << 1), | |
289 | /* CMD_NO_SKB = 0, */ | |
290 | CMD_WANT_SKB = (1 << 2), | |
291 | }; | |
292 | ||
857485c0 | 293 | struct iwl_cmd; |
c79dd5b5 | 294 | struct iwl_priv; |
5d08cd1d | 295 | |
857485c0 TW |
296 | struct iwl_cmd_meta { |
297 | struct iwl_cmd_meta *source; | |
5d08cd1d CH |
298 | union { |
299 | struct sk_buff *skb; | |
c79dd5b5 | 300 | int (*callback)(struct iwl_priv *priv, |
857485c0 | 301 | struct iwl_cmd *cmd, struct sk_buff *skb); |
5d08cd1d CH |
302 | } __attribute__ ((packed)) u; |
303 | ||
304 | /* The CMD_SIZE_HUGE flag bit indicates that the command | |
305 | * structure is stored at the end of the shared queue memory. */ | |
306 | u32 flags; | |
307 | ||
308 | } __attribute__ ((packed)); | |
309 | ||
d2f18bfd | 310 | #define IWL_CMD_MAX_PAYLOAD 320 |
bd68fb6f | 311 | |
bc47279f | 312 | /** |
857485c0 | 313 | * struct iwl_cmd |
bc47279f BC |
314 | * |
315 | * For allocation of the command and tx queues, this establishes the overall | |
316 | * size of the largest command we send to uCode, except for a scan command | |
317 | * (which is relatively huge; space is allocated separately). | |
318 | */ | |
857485c0 TW |
319 | struct iwl_cmd { |
320 | struct iwl_cmd_meta meta; /* driver data */ | |
321 | struct iwl_cmd_header hdr; /* uCode API */ | |
5d08cd1d | 322 | union { |
133636de | 323 | struct iwl_addsta_cmd addsta; |
bb8c093b | 324 | struct iwl4965_led_cmd led; |
5d08cd1d CH |
325 | u32 flags; |
326 | u8 val8; | |
327 | u16 val16; | |
328 | u32 val32; | |
bb8c093b CH |
329 | struct iwl4965_bt_cmd bt; |
330 | struct iwl4965_rxon_time_cmd rxon_time; | |
331 | struct iwl4965_powertable_cmd powertable; | |
332 | struct iwl4965_qosparam_cmd qosparam; | |
83d527d9 | 333 | struct iwl_tx_cmd tx; |
bb8c093b CH |
334 | struct iwl4965_tx_beacon_cmd tx_beacon; |
335 | struct iwl4965_rxon_assoc_cmd rxon_assoc; | |
7a999bf0 | 336 | struct iwl_rem_sta_cmd rm_sta; |
5d08cd1d | 337 | u8 *indirect; |
bd68fb6f | 338 | u8 payload[IWL_CMD_MAX_PAYLOAD]; |
5d08cd1d CH |
339 | } __attribute__ ((packed)) cmd; |
340 | } __attribute__ ((packed)); | |
341 | ||
857485c0 | 342 | struct iwl_host_cmd { |
5d08cd1d CH |
343 | u8 id; |
344 | u16 len; | |
857485c0 | 345 | struct iwl_cmd_meta meta; |
5d08cd1d CH |
346 | const void *data; |
347 | }; | |
348 | ||
857485c0 TW |
349 | #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \ |
350 | sizeof(struct iwl_cmd_meta)) | |
5d08cd1d CH |
351 | |
352 | /* | |
353 | * RX related structures and functions | |
354 | */ | |
355 | #define RX_FREE_BUFFERS 64 | |
356 | #define RX_LOW_WATERMARK 8 | |
357 | ||
358 | #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 | |
359 | #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 | |
360 | #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 | |
361 | ||
362 | /** | |
a55360e4 | 363 | * struct iwl_rx_queue - Rx queue |
5d08cd1d CH |
364 | * @processed: Internal index to last handled Rx packet |
365 | * @read: Shared index to newest available Rx buffer | |
366 | * @write: Shared index to oldest written Rx packet | |
367 | * @free_count: Number of pre-allocated buffers in rx_free | |
368 | * @rx_free: list of free SKBs for use | |
369 | * @rx_used: List of Rx buffers with no SKB | |
370 | * @need_update: flag to indicate we need to update read/write index | |
371 | * | |
a55360e4 | 372 | * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers |
5d08cd1d | 373 | */ |
a55360e4 | 374 | struct iwl_rx_queue { |
5d08cd1d CH |
375 | __le32 *bd; |
376 | dma_addr_t dma_addr; | |
a55360e4 TW |
377 | struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; |
378 | struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; | |
5d08cd1d CH |
379 | u32 processed; |
380 | u32 read; | |
381 | u32 write; | |
382 | u32 free_count; | |
383 | struct list_head rx_free; | |
384 | struct list_head rx_used; | |
385 | int need_update; | |
386 | spinlock_t lock; | |
387 | }; | |
388 | ||
389 | #define IWL_SUPPORTED_RATES_IE_LEN 8 | |
390 | ||
391 | #define SCAN_INTERVAL 100 | |
392 | ||
393 | #define MAX_A_CHANNELS 252 | |
394 | #define MIN_A_CHANNELS 7 | |
395 | ||
396 | #define MAX_B_CHANNELS 14 | |
397 | #define MIN_B_CHANNELS 1 | |
398 | ||
5d08cd1d CH |
399 | #define MAX_TID_COUNT 9 |
400 | ||
401 | #define IWL_INVALID_RATE 0xFF | |
402 | #define IWL_INVALID_VALUE -1 | |
403 | ||
bc47279f | 404 | /** |
6def9761 | 405 | * struct iwl_ht_agg -- aggregation status while waiting for block-ack |
bc47279f BC |
406 | * @txq_id: Tx queue used for Tx attempt |
407 | * @frame_count: # frames attempted by Tx command | |
408 | * @wait_for_ba: Expect block-ack before next Tx reply | |
409 | * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window | |
410 | * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window | |
411 | * @bitmap1: High order, one bit for each frame pending ACK in Tx window | |
412 | * @rate_n_flags: Rate at which Tx was attempted | |
413 | * | |
414 | * If REPLY_TX indicates that aggregation was attempted, driver must wait | |
415 | * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info | |
416 | * until block ack arrives. | |
417 | */ | |
6def9761 | 418 | struct iwl_ht_agg { |
5d08cd1d CH |
419 | u16 txq_id; |
420 | u16 frame_count; | |
421 | u16 wait_for_ba; | |
422 | u16 start_idx; | |
fe01b477 | 423 | u64 bitmap; |
5d08cd1d | 424 | u32 rate_n_flags; |
fe01b477 RR |
425 | #define IWL_AGG_OFF 0 |
426 | #define IWL_AGG_ON 1 | |
427 | #define IWL_EMPTYING_HW_QUEUE_ADDBA 2 | |
428 | #define IWL_EMPTYING_HW_QUEUE_DELBA 3 | |
429 | u8 state; | |
5d08cd1d | 430 | }; |
fe01b477 | 431 | |
5d08cd1d | 432 | |
6def9761 | 433 | struct iwl_tid_data { |
5d08cd1d | 434 | u16 seq_number; |
fe01b477 | 435 | u16 tfds_in_queue; |
6def9761 | 436 | struct iwl_ht_agg agg; |
5d08cd1d CH |
437 | }; |
438 | ||
6def9761 | 439 | struct iwl_hw_key { |
5d08cd1d CH |
440 | enum ieee80211_key_alg alg; |
441 | int keylen; | |
0211ddda | 442 | u8 keyidx; |
5d08cd1d CH |
443 | u8 key[32]; |
444 | }; | |
445 | ||
bb8c093b | 446 | union iwl4965_ht_rate_supp { |
5d08cd1d CH |
447 | u16 rates; |
448 | struct { | |
449 | u8 siso_rate; | |
450 | u8 mimo_rate; | |
451 | }; | |
452 | }; | |
453 | ||
5d08cd1d | 454 | #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) |
5d08cd1d CH |
455 | #define CFG_HT_MPDU_DENSITY_2USEC (0x5) |
456 | #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC | |
457 | ||
9e0cc6de RR |
458 | struct iwl_ht_info { |
459 | /* self configuration data */ | |
5d08cd1d | 460 | u8 is_ht; |
9e0cc6de | 461 | u8 supported_chan_width; |
5d08cd1d | 462 | u16 tx_mimo_ps_mode; |
9e0cc6de | 463 | u8 is_green_field; |
bb54244b | 464 | u8 sgf; /* HT_SHORT_GI_* short guard interval */ |
5d08cd1d CH |
465 | u8 max_amsdu_size; |
466 | u8 ampdu_factor; | |
467 | u8 mpdu_density; | |
9e0cc6de RR |
468 | u8 supp_mcs_set[16]; |
469 | /* BSS related data */ | |
470 | u8 control_channel; | |
5d08cd1d | 471 | u8 extension_chan_offset; |
5d08cd1d | 472 | u8 tx_chan_width; |
9e0cc6de RR |
473 | u8 ht_protection; |
474 | u8 non_GF_STA_present; | |
5d08cd1d | 475 | }; |
5d08cd1d | 476 | |
bb8c093b | 477 | union iwl4965_qos_capabity { |
5d08cd1d CH |
478 | struct { |
479 | u8 edca_count:4; /* bit 0-3 */ | |
480 | u8 q_ack:1; /* bit 4 */ | |
481 | u8 queue_request:1; /* bit 5 */ | |
482 | u8 txop_request:1; /* bit 6 */ | |
483 | u8 reserved:1; /* bit 7 */ | |
484 | } q_AP; | |
485 | struct { | |
486 | u8 acvo_APSD:1; /* bit 0 */ | |
487 | u8 acvi_APSD:1; /* bit 1 */ | |
488 | u8 ac_bk_APSD:1; /* bit 2 */ | |
489 | u8 ac_be_APSD:1; /* bit 3 */ | |
490 | u8 q_ack:1; /* bit 4 */ | |
491 | u8 max_len:2; /* bit 5-6 */ | |
492 | u8 more_data_ack:1; /* bit 7 */ | |
493 | } q_STA; | |
494 | u8 val; | |
495 | }; | |
496 | ||
497 | /* QoS structures */ | |
bb8c093b | 498 | struct iwl4965_qos_info { |
5d08cd1d CH |
499 | int qos_enable; |
500 | int qos_active; | |
bb8c093b CH |
501 | union iwl4965_qos_capabity qos_cap; |
502 | struct iwl4965_qosparam_cmd def_qos_parm; | |
5d08cd1d | 503 | }; |
5d08cd1d CH |
504 | |
505 | #define STA_PS_STATUS_WAKE 0 | |
506 | #define STA_PS_STATUS_SLEEP 1 | |
507 | ||
6def9761 | 508 | struct iwl_station_entry { |
133636de | 509 | struct iwl_addsta_cmd sta; |
6def9761 | 510 | struct iwl_tid_data tid[MAX_TID_COUNT]; |
5d08cd1d CH |
511 | u8 used; |
512 | u8 ps_status; | |
6def9761 | 513 | struct iwl_hw_key keyinfo; |
5d08cd1d CH |
514 | }; |
515 | ||
516 | /* one for each uCode image (inst/data, boot/init/runtime) */ | |
517 | struct fw_desc { | |
518 | void *v_addr; /* access by driver */ | |
519 | dma_addr_t p_addr; /* access by card's busmaster DMA */ | |
520 | u32 len; /* bytes */ | |
521 | }; | |
522 | ||
523 | /* uCode file layout */ | |
bb8c093b | 524 | struct iwl4965_ucode { |
5d08cd1d CH |
525 | __le32 ver; /* major/minor/subminor */ |
526 | __le32 inst_size; /* bytes of runtime instructions */ | |
527 | __le32 data_size; /* bytes of runtime data */ | |
528 | __le32 init_size; /* bytes of initialization instructions */ | |
529 | __le32 init_data_size; /* bytes of initialization data */ | |
530 | __le32 boot_size; /* bytes of bootstrap instructions */ | |
531 | u8 data[0]; /* data in same order as "size" elements */ | |
532 | }; | |
533 | ||
534 | #define IWL_IBSS_MAC_HASH_SIZE 32 | |
535 | ||
bb8c093b | 536 | struct iwl4965_ibss_seq { |
5d08cd1d CH |
537 | u8 mac[ETH_ALEN]; |
538 | u16 seq_num; | |
539 | u16 frag_num; | |
540 | unsigned long packet_time; | |
541 | struct list_head list; | |
542 | }; | |
543 | ||
f0832f13 EG |
544 | struct iwl_sensitivity_ranges { |
545 | u16 min_nrg_cck; | |
546 | u16 max_nrg_cck; | |
547 | ||
548 | u16 nrg_th_cck; | |
549 | u16 nrg_th_ofdm; | |
550 | ||
551 | u16 auto_corr_min_ofdm; | |
552 | u16 auto_corr_min_ofdm_mrc; | |
553 | u16 auto_corr_min_ofdm_x1; | |
554 | u16 auto_corr_min_ofdm_mrc_x1; | |
555 | ||
556 | u16 auto_corr_max_ofdm; | |
557 | u16 auto_corr_max_ofdm_mrc; | |
558 | u16 auto_corr_max_ofdm_x1; | |
559 | u16 auto_corr_max_ofdm_mrc_x1; | |
560 | ||
561 | u16 auto_corr_max_cck; | |
562 | u16 auto_corr_max_cck_mrc; | |
563 | u16 auto_corr_min_cck; | |
564 | u16 auto_corr_min_cck_mrc; | |
565 | }; | |
566 | ||
099b40b7 RR |
567 | |
568 | #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ) | |
569 | ||
bc47279f | 570 | /** |
5425e490 | 571 | * struct iwl_hw_params |
bc47279f | 572 | * @max_txq_num: Max # Tx queues supported |
099b40b7 RR |
573 | * @tx/rx_chains_num: Number of TX/RX chains |
574 | * @valid_tx/rx_ant: usable antennas | |
bc47279f | 575 | * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) |
bc47279f | 576 | * @max_rxq_log: Log-base-2 of max_rxq_size |
099b40b7 | 577 | * @rx_buf_size: Rx buffer size |
bc47279f BC |
578 | * @max_stations: |
579 | * @bcast_sta_id: | |
099b40b7 RR |
580 | * @fat_channel: is 40MHz width possible in band 2.4 |
581 | * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) | |
582 | * @sw_crypto: 0 for hw, 1 for sw | |
583 | * @max_xxx_size: for ucode uses | |
584 | * @ct_kill_threshold: temperature threshold | |
f0832f13 | 585 | * @struct iwl_sensitivity_ranges: range of sensitivity values |
bc47279f | 586 | */ |
5425e490 | 587 | struct iwl_hw_params { |
5d08cd1d | 588 | u16 max_txq_num; |
ec35cf2a TW |
589 | u8 tx_chains_num; |
590 | u8 rx_chains_num; | |
591 | u8 valid_tx_ant; | |
592 | u8 valid_rx_ant; | |
5d08cd1d | 593 | u16 max_rxq_size; |
ec35cf2a | 594 | u16 max_rxq_log; |
9ee1ba47 RR |
595 | u32 rx_buf_size; |
596 | u32 max_pkt_size; | |
5d08cd1d CH |
597 | u8 max_stations; |
598 | u8 bcast_sta_id; | |
099b40b7 RR |
599 | u8 fat_channel; |
600 | u8 sw_crypto; | |
601 | u32 max_inst_size; | |
602 | u32 max_data_size; | |
603 | u32 max_bsm_size; | |
604 | u32 ct_kill_threshold; /* value in hw-dependent units */ | |
f0832f13 | 605 | const struct iwl_sensitivity_ranges *sens; |
5d08cd1d CH |
606 | }; |
607 | ||
a9841013 EG |
608 | #define HT_SHORT_GI_20MHZ (1 << 0) |
609 | #define HT_SHORT_GI_40MHZ (1 << 1) | |
5d08cd1d CH |
610 | |
611 | ||
bb8c093b | 612 | #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\ |
5d08cd1d CH |
613 | x->u.rx_frame.stats.payload + \ |
614 | x->u.rx_frame.stats.phy_count)) | |
bb8c093b | 615 | #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\ |
5d08cd1d CH |
616 | IWL_RX_HDR(x)->payload + \ |
617 | le16_to_cpu(IWL_RX_HDR(x)->len))) | |
618 | #define IWL_RX_STATS(x) (&x->u.rx_frame.stats) | |
619 | #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) | |
620 | ||
621 | ||
622 | /****************************************************************************** | |
623 | * | |
624 | * Functions implemented in iwl-base.c which are forward declared here | |
625 | * for use by iwl-*.c | |
626 | * | |
627 | *****************************************************************************/ | |
133636de TW |
628 | struct iwl_addsta_cmd; |
629 | extern int iwl_send_add_sta(struct iwl_priv *priv, | |
630 | struct iwl_addsta_cmd *sta, u8 flags); | |
4f40e4d9 TW |
631 | u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap, |
632 | u8 flags, struct ieee80211_ht_info *ht_info); | |
c79dd5b5 | 633 | extern int iwl4965_is_network_packet(struct iwl_priv *priv, |
5d08cd1d | 634 | struct ieee80211_hdr *header); |
c79dd5b5 TW |
635 | extern int iwl4965_power_init_handle(struct iwl_priv *priv); |
636 | extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv, | |
a55360e4 | 637 | struct iwl_rx_mem_buffer *rxb, |
5d08cd1d CH |
638 | void *data, short len, |
639 | struct ieee80211_rx_status *stats, | |
640 | u16 phy_flags); | |
c79dd5b5 | 641 | extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv, |
bb8c093b | 642 | struct ieee80211_hdr *header); |
bb8c093b CH |
643 | extern int iwl4965_calc_db_from_ratio(int sig_ratio); |
644 | extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm); | |
c79dd5b5 | 645 | extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv, |
5d08cd1d CH |
646 | struct ieee80211_hdr *hdr, |
647 | const u8 *dest, int left); | |
5da4b55f | 648 | extern void iwl4965_update_chain_flags(struct iwl_priv *priv); |
079a2533 TW |
649 | int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); |
650 | ||
bf85ea4f AK |
651 | int iwl4965_init_geos(struct iwl_priv *priv); |
652 | void iwl4965_free_geos(struct iwl_priv *priv); | |
5d08cd1d | 653 | |
57bd1bea | 654 | extern const u8 iwl_bcast_addr[ETH_ALEN]; |
857485c0 | 655 | int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); |
5d08cd1d CH |
656 | |
657 | /* | |
658 | * Currently used by iwl-3945-rs... look at restructuring so that it doesn't | |
659 | * call this... todo... fix that. | |
660 | */ | |
c79dd5b5 | 661 | extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id, |
5d08cd1d CH |
662 | u16 tx_rate, u8 flags); |
663 | ||
664 | /****************************************************************************** | |
665 | * | |
666 | * Functions implemented in iwl-[34]*.c which are forward declared here | |
667 | * for use by iwl-base.c | |
668 | * | |
669 | * NOTE: The implementation of these functions are hardware specific | |
670 | * which is why they are in the hardware specific files (vs. iwl-base.c) | |
671 | * | |
672 | * Naming convention -- | |
bb8c093b CH |
673 | * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_) |
674 | * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) | |
5d08cd1d | 675 | * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) |
bb8c093b CH |
676 | * iwl4965_bg_ <-- Called from work queue context |
677 | * iwl4965_mac_ <-- mac80211 callback | |
5d08cd1d CH |
678 | * |
679 | ****************************************************************************/ | |
c79dd5b5 TW |
680 | extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv); |
681 | extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv); | |
5425e490 | 682 | extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv); |
b3bbacb7 | 683 | extern int iwl_rxq_stop(struct iwl_priv *priv); |
da1bc453 | 684 | extern void iwl_txq_ctx_stop(struct iwl_priv *priv); |
c79dd5b5 | 685 | extern int iwl4965_hw_get_temperature(struct iwl_priv *priv); |
c79dd5b5 | 686 | extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv, |
fcab423d | 687 | struct iwl_frame *frame, u8 rate); |
c79dd5b5 | 688 | extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv, |
857485c0 | 689 | struct iwl_cmd *cmd, |
e039fa4a | 690 | struct ieee80211_tx_info *info, |
5d08cd1d CH |
691 | struct ieee80211_hdr *hdr, |
692 | int sta_id, int tx_id); | |
c79dd5b5 TW |
693 | extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv); |
694 | extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power); | |
695 | extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv, | |
a55360e4 | 696 | struct iwl_rx_mem_buffer *rxb); |
c79dd5b5 TW |
697 | extern void iwl4965_disable_events(struct iwl_priv *priv); |
698 | extern int iwl4965_get_temperature(const struct iwl_priv *priv); | |
37a44211 RR |
699 | extern void iwl4965_rx_reply_rx(struct iwl_priv *priv, |
700 | struct iwl_rx_mem_buffer *rxb); | |
5d08cd1d CH |
701 | |
702 | /** | |
947b13a7 | 703 | * iwl_find_station - Find station id for a given BSSID |
5d08cd1d CH |
704 | * @bssid: MAC address of station ID to find |
705 | * | |
706 | * NOTE: This should not be hardware specific but the code has | |
707 | * not yet been merged into a single common layer for managing the | |
708 | * station tables. | |
709 | */ | |
947b13a7 | 710 | extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid); |
5d08cd1d | 711 | |
c79dd5b5 | 712 | extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel); |
443cfd45 | 713 | extern int iwl_queue_space(const struct iwl_queue *q); |
fd4abac5 TW |
714 | static inline int iwl_queue_used(const struct iwl_queue *q, int i) |
715 | { | |
716 | return q->write_ptr > q->read_ptr ? | |
717 | (i >= q->read_ptr && i < q->write_ptr) : | |
718 | !(i < q->read_ptr && i >= q->write_ptr); | |
719 | } | |
720 | ||
721 | ||
722 | static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) | |
723 | { | |
724 | /* This is for scan command, the big buffer at end of command array */ | |
725 | if (is_huge) | |
726 | return q->n_window; /* must be power of 2 */ | |
727 | ||
728 | /* Otherwise, use normal size buffers */ | |
729 | return index & (q->n_window - 1); | |
730 | } | |
731 | ||
732 | ||
c79dd5b5 | 733 | struct iwl_priv; |
b481de9c | 734 | |
ad97edd2 | 735 | extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio); |
b481de9c ZY |
736 | /* |
737 | * Forward declare iwl-4965.c functions for iwl-base.c | |
738 | */ | |
c79dd5b5 | 739 | extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv, |
16466903 | 740 | struct iwl_tx_queue *txq, |
b481de9c | 741 | u16 byte_cnt); |
c79dd5b5 TW |
742 | extern int iwl4965_alive_notify(struct iwl_priv *priv); |
743 | extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode); | |
c79dd5b5 TW |
744 | extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv); |
745 | extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, | |
4c424e4c | 746 | u32 rate_n_flags, |
e039fa4a | 747 | struct ieee80211_tx_info *info); |
b481de9c | 748 | |
fde0db31 GC |
749 | extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv, |
750 | struct ieee80211_ht_info *ht_info, | |
751 | enum ieee80211_band band); | |
c79dd5b5 | 752 | void iwl4965_set_rxon_ht(struct iwl_priv *priv, |
78330fdd | 753 | struct iwl_ht_info *ht_info); |
78330fdd | 754 | int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw, |
9ab46173 | 755 | enum ieee80211_ampdu_mlme_action action, |
0df3ef45 | 756 | const u8 *addr, u16 tid, u16 *ssn); |
c79dd5b5 | 757 | int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id, |
fe01b477 | 758 | u8 tid, int txq_id); |
78330fdd | 759 | |
b481de9c ZY |
760 | /* Structures, enum, and defines specific to the 4965 */ |
761 | ||
16466903 | 762 | #define IWL_KW_SIZE 0x1000 /*4k */ |
b481de9c | 763 | |
16466903 | 764 | struct iwl_kw { |
b481de9c ZY |
765 | dma_addr_t dma_addr; |
766 | void *v_addr; | |
767 | size_t size; | |
768 | }; | |
769 | ||
b481de9c ZY |
770 | #define IWL_CHANNEL_WIDTH_20MHZ 0 |
771 | #define IWL_CHANNEL_WIDTH_40MHZ 1 | |
772 | ||
773 | #define IWL_MIMO_PS_STATIC 0 | |
774 | #define IWL_MIMO_PS_NONE 3 | |
775 | #define IWL_MIMO_PS_DYNAMIC 1 | |
776 | #define IWL_MIMO_PS_INVALID 2 | |
777 | ||
778 | #define IWL_OPERATION_MODE_AUTO 0 | |
779 | #define IWL_OPERATION_MODE_HT_ONLY 1 | |
780 | #define IWL_OPERATION_MODE_MIXED 2 | |
781 | #define IWL_OPERATION_MODE_20MHZ 3 | |
782 | ||
134eb5d3 GC |
783 | #define IWL_EXT_CHANNEL_OFFSET_NONE 0 |
784 | #define IWL_EXT_CHANNEL_OFFSET_ABOVE 1 | |
785 | #define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2 | |
786 | #define IWL_EXT_CHANNEL_OFFSET_BELOW 3 | |
b481de9c | 787 | |
3195cdb7 TW |
788 | #define IWL_TX_CRC_SIZE 4 |
789 | #define IWL_TX_DELIMITER_SIZE 4 | |
b481de9c | 790 | |
b481de9c | 791 | #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 |
b481de9c | 792 | |
bb8c093b | 793 | struct iwl4965_lq_mngr { |
b481de9c ZY |
794 | spinlock_t lock; |
795 | s32 max_window_size; | |
796 | s32 *expected_tpt; | |
797 | u8 *next_higher_rate; | |
798 | u8 *next_lower_rate; | |
799 | unsigned long stamp; | |
800 | unsigned long stamp_last; | |
801 | u32 flush_time; | |
802 | u32 tx_packets; | |
803 | u8 lq_ready; | |
804 | }; | |
805 | ||
b481de9c ZY |
806 | /* Sensitivity and chain noise calibration */ |
807 | #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1) | |
808 | #define INITIALIZATION_VALUE 0xFFFF | |
809 | #define CAL_NUM_OF_BEACONS 20 | |
810 | #define MAXIMUM_ALLOWED_PATHLOSS 15 | |
811 | ||
b481de9c ZY |
812 | #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 |
813 | ||
814 | #define MAX_FA_OFDM 50 | |
815 | #define MIN_FA_OFDM 5 | |
816 | #define MAX_FA_CCK 50 | |
817 | #define MIN_FA_CCK 5 | |
818 | ||
b481de9c ZY |
819 | #define AUTO_CORR_STEP_OFDM 1 |
820 | ||
b481de9c ZY |
821 | #define AUTO_CORR_STEP_CCK 3 |
822 | #define AUTO_CORR_MAX_TH_CCK 160 | |
823 | ||
b481de9c ZY |
824 | #define NRG_DIFF 2 |
825 | #define NRG_STEP_CCK 2 | |
826 | #define NRG_MARGIN 8 | |
827 | #define MAX_NUMBER_CCK_NO_FA 100 | |
828 | ||
829 | #define AUTO_CORR_CCK_MIN_VAL_DEF (125) | |
830 | ||
831 | #define CHAIN_A 0 | |
832 | #define CHAIN_B 1 | |
833 | #define CHAIN_C 2 | |
834 | #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 | |
835 | #define ALL_BAND_FILTER 0xFF00 | |
836 | #define IN_BAND_FILTER 0xFF | |
837 | #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF | |
838 | ||
3195cdb7 TW |
839 | #define NRG_NUM_PREV_STAT_L 20 |
840 | #define NUM_RX_CHAINS 3 | |
841 | ||
bb8c093b | 842 | enum iwl4965_false_alarm_state { |
b481de9c ZY |
843 | IWL_FA_TOO_MANY = 0, |
844 | IWL_FA_TOO_FEW = 1, | |
845 | IWL_FA_GOOD_RANGE = 2, | |
846 | }; | |
847 | ||
bb8c093b | 848 | enum iwl4965_chain_noise_state { |
b481de9c ZY |
849 | IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ |
850 | IWL_CHAIN_NOISE_ACCUMULATE = 1, | |
851 | IWL_CHAIN_NOISE_CALIBRATED = 2, | |
852 | }; | |
853 | ||
bb8c093b | 854 | enum iwl4965_calib_enabled_state { |
b481de9c ZY |
855 | IWL_CALIB_DISABLED = 0, /* must be 0 */ |
856 | IWL_CALIB_ENABLED = 1, | |
857 | }; | |
858 | ||
859 | struct statistics_general_data { | |
860 | u32 beacon_silence_rssi_a; | |
861 | u32 beacon_silence_rssi_b; | |
862 | u32 beacon_silence_rssi_c; | |
863 | u32 beacon_energy_a; | |
864 | u32 beacon_energy_b; | |
865 | u32 beacon_energy_c; | |
866 | }; | |
867 | ||
7c616cba TW |
868 | struct iwl_calib_results { |
869 | void *tx_iq_res; | |
870 | void *tx_iq_perd_res; | |
871 | void *lo_res; | |
872 | u32 tx_iq_res_len; | |
873 | u32 tx_iq_perd_res_len; | |
874 | u32 lo_res_len; | |
875 | }; | |
876 | ||
dbb983b7 RR |
877 | enum ucode_type { |
878 | UCODE_NONE = 0, | |
879 | UCODE_INIT, | |
880 | UCODE_RT | |
881 | }; | |
882 | ||
b481de9c | 883 | /* Sensitivity calib data */ |
f0832f13 | 884 | struct iwl_sensitivity_data { |
b481de9c ZY |
885 | u32 auto_corr_ofdm; |
886 | u32 auto_corr_ofdm_mrc; | |
887 | u32 auto_corr_ofdm_x1; | |
888 | u32 auto_corr_ofdm_mrc_x1; | |
889 | u32 auto_corr_cck; | |
890 | u32 auto_corr_cck_mrc; | |
891 | ||
892 | u32 last_bad_plcp_cnt_ofdm; | |
893 | u32 last_fa_cnt_ofdm; | |
894 | u32 last_bad_plcp_cnt_cck; | |
895 | u32 last_fa_cnt_cck; | |
896 | ||
897 | u32 nrg_curr_state; | |
898 | u32 nrg_prev_state; | |
899 | u32 nrg_value[10]; | |
900 | u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; | |
901 | u32 nrg_silence_ref; | |
902 | u32 nrg_energy_idx; | |
903 | u32 nrg_silence_idx; | |
904 | u32 nrg_th_cck; | |
905 | s32 nrg_auto_corr_silence_diff; | |
906 | u32 num_in_cck_no_fa; | |
907 | u32 nrg_th_ofdm; | |
b481de9c ZY |
908 | }; |
909 | ||
910 | /* Chain noise (differential Rx gain) calib data */ | |
f0832f13 | 911 | struct iwl_chain_noise_data { |
b481de9c ZY |
912 | u8 state; |
913 | u16 beacon_count; | |
914 | u32 chain_noise_a; | |
915 | u32 chain_noise_b; | |
916 | u32 chain_noise_c; | |
917 | u32 chain_signal_a; | |
918 | u32 chain_signal_b; | |
919 | u32 chain_signal_c; | |
920 | u8 disconn_array[NUM_RX_CHAINS]; | |
921 | u8 delta_gain_code[NUM_RX_CHAINS]; | |
922 | u8 radio_write; | |
923 | }; | |
924 | ||
abceddb4 BC |
925 | #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ |
926 | #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ | |
b481de9c | 927 | |
5d08cd1d | 928 | |
c8b0e6e1 | 929 | #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT |
5d08cd1d CH |
930 | |
931 | enum { | |
932 | MEASUREMENT_READY = (1 << 0), | |
933 | MEASUREMENT_ACTIVE = (1 << 1), | |
934 | }; | |
935 | ||
936 | #endif | |
937 | ||
dfe7d458 RR |
938 | #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */ |
939 | ||
c79dd5b5 | 940 | struct iwl_priv { |
5d08cd1d CH |
941 | |
942 | /* ieee device used by generic ieee processing code */ | |
943 | struct ieee80211_hw *hw; | |
944 | struct ieee80211_channel *ieee_channels; | |
945 | struct ieee80211_rate *ieee_rates; | |
82b9a121 | 946 | struct iwl_cfg *cfg; |
5d08cd1d CH |
947 | |
948 | /* temporary frame storage list */ | |
949 | struct list_head free_frames; | |
950 | int frames_count; | |
951 | ||
8318d78a | 952 | enum ieee80211_band band; |
5d08cd1d | 953 | int alloc_rxb_skb; |
12342c47 | 954 | bool add_radiotap; |
5d08cd1d | 955 | |
c79dd5b5 | 956 | void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, |
a55360e4 | 957 | struct iwl_rx_mem_buffer *rxb); |
5d08cd1d | 958 | |
8318d78a | 959 | struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; |
5d08cd1d | 960 | |
c8b0e6e1 | 961 | #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT |
5d08cd1d | 962 | /* spectrum measurement report caching */ |
bb8c093b | 963 | struct iwl4965_spectrum_notification measure_report; |
5d08cd1d CH |
964 | u8 measurement_status; |
965 | #endif | |
966 | /* ucode beacon time */ | |
967 | u32 ucode_beacon_time; | |
968 | ||
bb8c093b | 969 | /* we allocate array of iwl4965_channel_info for NIC's valid channels. |
5d08cd1d | 970 | * Access via channel # using indirect index array */ |
bf85ea4f | 971 | struct iwl_channel_info *channel_info; /* channel info array */ |
5d08cd1d CH |
972 | u8 channel_count; /* # of channels */ |
973 | ||
974 | /* each calibration channel group in the EEPROM has a derived | |
975 | * clip setting for each rate. */ | |
bb8c093b | 976 | const struct iwl4965_clip_group clip_groups[5]; |
5d08cd1d CH |
977 | |
978 | /* thermal calibration */ | |
979 | s32 temperature; /* degrees Kelvin */ | |
980 | s32 last_temperature; | |
981 | ||
7c616cba TW |
982 | /* init calibration results */ |
983 | struct iwl_calib_results calib_results; | |
984 | ||
5d08cd1d CH |
985 | /* Scan related variables */ |
986 | unsigned long last_scan_jiffies; | |
7878a5a4 | 987 | unsigned long next_scan_jiffies; |
5d08cd1d CH |
988 | unsigned long scan_start; |
989 | unsigned long scan_pass_start; | |
990 | unsigned long scan_start_tsf; | |
991 | int scan_bands; | |
992 | int one_direct_scan; | |
993 | u8 direct_ssid_len; | |
994 | u8 direct_ssid[IW_ESSID_MAX_SIZE]; | |
bb8c093b | 995 | struct iwl4965_scan_cmd *scan; |
5d08cd1d CH |
996 | |
997 | /* spinlock */ | |
998 | spinlock_t lock; /* protect general shared data */ | |
999 | spinlock_t hcmd_lock; /* protect hcmd */ | |
1000 | struct mutex mutex; | |
1001 | ||
1002 | /* basic pci-network driver stuff */ | |
1003 | struct pci_dev *pci_dev; | |
1004 | ||
1005 | /* pci hardware address support */ | |
1006 | void __iomem *hw_base; | |
b661c819 TW |
1007 | u32 hw_rev; |
1008 | u32 hw_wa_rev; | |
1009 | u8 rev_id; | |
5d08cd1d CH |
1010 | |
1011 | /* uCode images, save to reload in case of failure */ | |
1012 | struct fw_desc ucode_code; /* runtime inst */ | |
1013 | struct fw_desc ucode_data; /* runtime data original */ | |
1014 | struct fw_desc ucode_data_backup; /* runtime data save/restore */ | |
1015 | struct fw_desc ucode_init; /* initialization inst */ | |
1016 | struct fw_desc ucode_init_data; /* initialization data */ | |
1017 | struct fw_desc ucode_boot; /* bootstrap inst */ | |
dbb983b7 RR |
1018 | enum ucode_type ucode_type; |
1019 | u8 ucode_write_complete; /* the image write is complete */ | |
5d08cd1d CH |
1020 | |
1021 | ||
bb8c093b | 1022 | struct iwl4965_rxon_time_cmd rxon_timing; |
5d08cd1d CH |
1023 | |
1024 | /* We declare this const so it can only be | |
1025 | * changed via explicit cast within the | |
1026 | * routines that actually update the physical | |
1027 | * hardware */ | |
c1adf9fb GG |
1028 | const struct iwl_rxon_cmd active_rxon; |
1029 | struct iwl_rxon_cmd staging_rxon; | |
5d08cd1d CH |
1030 | |
1031 | int error_recovering; | |
c1adf9fb | 1032 | struct iwl_rxon_cmd recovery_rxon; |
5d08cd1d CH |
1033 | |
1034 | /* 1st responses from initialize and runtime uCode images. | |
1035 | * 4965's initialize alive response contains some calibration data. */ | |
885ba202 TW |
1036 | struct iwl_init_alive_resp card_alive_init; |
1037 | struct iwl_alive_resp card_alive; | |
eadd3c4b | 1038 | #ifdef CONFIG_IWLWIFI_RFKILL |
ad97edd2 MA |
1039 | struct iwl_rfkill_mngr rfkill_mngr; |
1040 | #endif | |
5d08cd1d | 1041 | |
36316126 | 1042 | #ifdef CONFIG_IWLWIFI_LEDS |
ab53d8af MA |
1043 | struct iwl4965_led led[IWL_LED_TRG_MAX]; |
1044 | unsigned long last_blink_time; | |
1045 | u8 last_blink_rate; | |
1046 | u8 allow_blinking; | |
1047 | u64 led_tpt; | |
5d08cd1d CH |
1048 | #endif |
1049 | ||
1050 | u16 active_rate; | |
1051 | u16 active_rate_basic; | |
1052 | ||
5d08cd1d CH |
1053 | u8 assoc_station_added; |
1054 | u8 use_ant_b_for_management_frame; /* Tx antenna selection */ | |
5d08cd1d | 1055 | u8 start_calib; |
f0832f13 EG |
1056 | struct iwl_sensitivity_data sensitivity_data; |
1057 | struct iwl_chain_noise_data chain_noise_data; | |
5d08cd1d | 1058 | __le16 sensitivity_tbl[HD_TABLE_SIZE]; |
5d08cd1d | 1059 | |
9e0cc6de | 1060 | struct iwl_ht_info current_ht_config; |
5d08cd1d CH |
1061 | u8 last_phy_res[100]; |
1062 | ||
1063 | /* Rate scaling data */ | |
bb8c093b | 1064 | struct iwl4965_lq_mngr lq_mngr; |
5d08cd1d CH |
1065 | |
1066 | /* Rate scaling data */ | |
1067 | s8 data_retry_limit; | |
1068 | u8 retry_rate; | |
1069 | ||
1070 | wait_queue_head_t wait_command_queue; | |
1071 | ||
1072 | int activity_timer_active; | |
1073 | ||
1074 | /* Rx and Tx DMA processing queues */ | |
a55360e4 | 1075 | struct iwl_rx_queue rxq; |
16466903 | 1076 | struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES]; |
5d08cd1d | 1077 | unsigned long txq_ctx_active_msk; |
16466903 | 1078 | struct iwl_kw kw; /* keep warm address */ |
5d08cd1d CH |
1079 | u32 scd_base_addr; /* scheduler sram base address */ |
1080 | ||
1081 | unsigned long status; | |
5d08cd1d CH |
1082 | |
1083 | int last_rx_rssi; /* From Rx packet statisitics */ | |
1084 | int last_rx_noise; /* From beacon statistics */ | |
1085 | ||
19758bef TW |
1086 | /* counts mgmt, ctl, and data packets */ |
1087 | struct traffic_stats { | |
1088 | u32 cnt; | |
1089 | u64 bytes; | |
1090 | } tx_stats[3], rx_stats[3]; | |
1091 | ||
5da4b55f | 1092 | struct iwl_power_mgr power_data; |
5d08cd1d | 1093 | |
bb8c093b | 1094 | struct iwl4965_notif_statistics statistics; |
5d08cd1d CH |
1095 | unsigned long last_statistics_time; |
1096 | ||
1097 | /* context information */ | |
1098 | u8 essid[IW_ESSID_MAX_SIZE]; | |
1099 | u8 essid_len; | |
1100 | u16 rates_mask; | |
1101 | ||
1102 | u32 power_mode; | |
1103 | u32 antenna; | |
1104 | u8 bssid[ETH_ALEN]; | |
1105 | u16 rts_threshold; | |
1106 | u8 mac_addr[ETH_ALEN]; | |
1107 | ||
1108 | /*station table variables */ | |
1109 | spinlock_t sta_lock; | |
1110 | int num_stations; | |
6def9761 | 1111 | struct iwl_station_entry stations[IWL_STATION_COUNT]; |
6974e363 EG |
1112 | struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; |
1113 | u8 default_wep_key; | |
1114 | u8 key_mapping_key; | |
80fb47a1 | 1115 | unsigned long ucode_key_table; |
5d08cd1d CH |
1116 | |
1117 | /* Indication if ieee80211_ops->open has been called */ | |
69dc5d9d | 1118 | u8 is_open; |
5d08cd1d CH |
1119 | |
1120 | u8 mac80211_registered; | |
5d08cd1d | 1121 | |
5d08cd1d CH |
1122 | /* Rx'd packet timing information */ |
1123 | u32 last_beacon_time; | |
1124 | u64 last_tsf; | |
1125 | ||
1126 | /* Duplicate packet detection */ | |
1127 | u16 last_seq_num; | |
1128 | u16 last_frag_num; | |
1129 | unsigned long last_packet_time; | |
bc47279f BC |
1130 | |
1131 | /* Hash table for finding stations in IBSS network */ | |
5d08cd1d CH |
1132 | struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE]; |
1133 | ||
1134 | /* eeprom */ | |
073d3f5f TW |
1135 | u8 *eeprom; |
1136 | struct iwl_eeprom_calib_info *calib_info; | |
5d08cd1d | 1137 | |
69dc5d9d | 1138 | enum ieee80211_if_types iw_mode; |
5d08cd1d CH |
1139 | |
1140 | struct sk_buff *ibss_beacon; | |
1141 | ||
1142 | /* Last Rx'd beacon timestamp */ | |
3109ece1 | 1143 | u64 timestamp; |
5d08cd1d | 1144 | u16 beacon_int; |
32bfd35d | 1145 | struct ieee80211_vif *vif; |
5d08cd1d | 1146 | |
5425e490 | 1147 | struct iwl_hw_params hw_params; |
059ff826 TW |
1148 | /* driver/uCode shared Tx Byte Counts and Rx status */ |
1149 | void *shared_virt; | |
d67f5489 | 1150 | int rb_closed_offset; |
059ff826 TW |
1151 | /* Physical Pointer to Tx Byte Counts and Rx status */ |
1152 | dma_addr_t shared_phys; | |
1153 | ||
5d08cd1d CH |
1154 | /* Current association information needed to configure the |
1155 | * hardware */ | |
1156 | u16 assoc_id; | |
1157 | u16 assoc_capability; | |
1158 | u8 ps_mode; | |
1159 | ||
bb8c093b | 1160 | struct iwl4965_qos_info qos_data; |
5d08cd1d CH |
1161 | |
1162 | struct workqueue_struct *workqueue; | |
1163 | ||
1164 | struct work_struct up; | |
1165 | struct work_struct restart; | |
1166 | struct work_struct calibrated_work; | |
1167 | struct work_struct scan_completed; | |
1168 | struct work_struct rx_replenish; | |
1169 | struct work_struct rf_kill; | |
1170 | struct work_struct abort_scan; | |
1171 | struct work_struct update_link_led; | |
1172 | struct work_struct auth_work; | |
1173 | struct work_struct report_work; | |
1174 | struct work_struct request_scan; | |
1175 | struct work_struct beacon_update; | |
4419e39b | 1176 | struct work_struct set_monitor; |
5d08cd1d CH |
1177 | |
1178 | struct tasklet_struct irq_tasklet; | |
1179 | ||
1180 | struct delayed_work init_alive_start; | |
1181 | struct delayed_work alive_start; | |
5d08cd1d CH |
1182 | struct delayed_work scan_check; |
1183 | struct delayed_work post_associate; | |
1184 | ||
1185 | #define IWL_DEFAULT_TX_POWER 0x0F | |
1186 | s8 user_txpower_limit; | |
1187 | s8 max_channel_txpower_limit; | |
1188 | ||
1189 | #ifdef CONFIG_PM | |
1190 | u32 pm_state[16]; | |
1191 | #endif | |
1192 | ||
0a6857e7 | 1193 | #ifdef CONFIG_IWLWIFI_DEBUG |
5d08cd1d | 1194 | /* debugging info */ |
bf403db8 | 1195 | u32 debug_level; |
5d08cd1d CH |
1196 | u32 framecnt_to_us; |
1197 | atomic_t restrict_refcnt; | |
712b6cf5 TW |
1198 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1199 | /* debugfs */ | |
1200 | struct iwl_debugfs *dbgfs; | |
1201 | #endif /* CONFIG_IWLWIFI_DEBUGFS */ | |
1202 | #endif /* CONFIG_IWLWIFI_DEBUG */ | |
5d08cd1d CH |
1203 | |
1204 | struct work_struct txpower_work; | |
445c2dff TW |
1205 | u32 disable_sens_cal; |
1206 | u32 disable_chain_noise_cal; | |
203566f3 | 1207 | u32 disable_tx_power_cal; |
16e727e8 | 1208 | struct work_struct run_time_calib_work; |
5d08cd1d | 1209 | struct timer_list statistics_periodic; |
c79dd5b5 | 1210 | }; /*iwl_priv */ |
5d08cd1d | 1211 | |
36470749 RR |
1212 | static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) |
1213 | { | |
1214 | set_bit(txq_id, &priv->txq_ctx_active_msk); | |
1215 | } | |
1216 | ||
1217 | static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) | |
1218 | { | |
1219 | clear_bit(txq_id, &priv->txq_ctx_active_msk); | |
1220 | } | |
1221 | ||
a332f8d6 TW |
1222 | #ifdef CONFIG_IWLWIF_DEBUG |
1223 | const char *iwl_get_tx_fail_reason(u32 status); | |
1224 | #else | |
1225 | static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } | |
1226 | #endif | |
1227 | ||
1228 | ||
a332f8d6 TW |
1229 | static inline int iwl_get_ra_sta_id(struct iwl_priv *priv, |
1230 | struct ieee80211_hdr *hdr) | |
1231 | { | |
1232 | if (priv->iw_mode == IEEE80211_IF_TYPE_STA) { | |
1233 | return IWL_AP_ID; | |
1234 | } else { | |
1235 | u8 *da = ieee80211_get_DA(hdr); | |
1236 | return iwl_find_station(priv, da); | |
1237 | } | |
1238 | } | |
1239 | ||
1240 | static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, | |
1241 | int txq_id, int idx) | |
1242 | { | |
1243 | if (priv->txq[txq_id].txb[idx].skb[0]) | |
1244 | return (struct ieee80211_hdr *)priv->txq[txq_id]. | |
1245 | txb[idx].skb[0]->data; | |
1246 | return NULL; | |
1247 | } | |
a332f8d6 TW |
1248 | |
1249 | ||
3109ece1 | 1250 | static inline int iwl_is_associated(struct iwl_priv *priv) |
5d08cd1d CH |
1251 | { |
1252 | return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; | |
1253 | } | |
1254 | ||
bf85ea4f | 1255 | static inline int is_channel_valid(const struct iwl_channel_info *ch_info) |
5d08cd1d CH |
1256 | { |
1257 | if (ch_info == NULL) | |
1258 | return 0; | |
1259 | return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; | |
1260 | } | |
1261 | ||
bf85ea4f | 1262 | static inline int is_channel_radar(const struct iwl_channel_info *ch_info) |
5d08cd1d CH |
1263 | { |
1264 | return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; | |
1265 | } | |
1266 | ||
bf85ea4f | 1267 | static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) |
5d08cd1d | 1268 | { |
8318d78a | 1269 | return ch_info->band == IEEE80211_BAND_5GHZ; |
5d08cd1d CH |
1270 | } |
1271 | ||
bf85ea4f | 1272 | static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) |
5d08cd1d | 1273 | { |
8318d78a | 1274 | return ch_info->band == IEEE80211_BAND_2GHZ; |
5d08cd1d CH |
1275 | } |
1276 | ||
bf85ea4f | 1277 | static inline int is_channel_passive(const struct iwl_channel_info *ch) |
5d08cd1d CH |
1278 | { |
1279 | return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; | |
1280 | } | |
1281 | ||
bf85ea4f | 1282 | static inline int is_channel_ibss(const struct iwl_channel_info *ch) |
5d08cd1d CH |
1283 | { |
1284 | return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; | |
1285 | } | |
1286 | ||
bf403db8 EK |
1287 | #ifdef CONFIG_IWLWIFI_DEBUG |
1288 | static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, | |
1289 | void *p, u32 len) | |
1290 | { | |
1291 | if (!(priv->debug_level & level)) | |
1292 | return; | |
1293 | ||
1294 | print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, | |
1295 | p, len, 1); | |
1296 | } | |
1297 | #else | |
1298 | static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, | |
1299 | void *p, u32 len) | |
1300 | { | |
1301 | } | |
1302 | #endif | |
1303 | ||
8622e705 | 1304 | extern const struct iwl_channel_info *iwl_get_channel_info( |
c79dd5b5 | 1305 | const struct iwl_priv *priv, enum ieee80211_band band, u16 channel); |
5d08cd1d | 1306 | |
c79dd5b5 | 1307 | /* Requires full declaration of iwl_priv before including */ |
5d08cd1d | 1308 | |
bb8c093b | 1309 | #endif /* __iwl4965_4965_h__ */ |