1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2005 - 2009 Intel Corporation. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2009 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *****************************************************************************/
64 * Please use this file (iwl-commands.h) only for uCode API definitions.
65 * Please use iwl-4965-hw.h for hardware-related definitions.
66 * Please use iwl-dev.h for driver implementation definitions.
69 #ifndef __iwl_commands_h__
70 #define __iwl_commands_h__
74 /* uCode version contains 4 values: Major/Minor/API/Serial */
75 #define IWL_UCODE_MAJOR(ver) (((ver) & 0xFF000000) >> 24)
76 #define IWL_UCODE_MINOR(ver) (((ver) & 0x00FF0000) >> 16)
77 #define IWL_UCODE_API(ver) (((ver) & 0x0000FF00) >> 8)
78 #define IWL_UCODE_SERIAL(ver) ((ver) & 0x000000FF)
82 #define IWL_CCK_RATES 4
83 #define IWL_OFDM_RATES 8
84 #define IWL_MAX_RATES (IWL_CCK_RATES + IWL_OFDM_RATES)
90 /* RXON and QOS commands */
92 REPLY_RXON_ASSOC = 0x11,
93 REPLY_QOS_PARAM = 0x13,
94 REPLY_RXON_TIMING = 0x14,
96 /* Multi-Station support */
98 REPLY_REMOVE_STA = 0x19, /* not used */
99 REPLY_REMOVE_ALL_STA = 0x1a, /* not used */
105 REPLY_3945_RX = 0x1b, /* 3945 only */
107 REPLY_RATE_SCALE = 0x47, /* 3945 only */
108 REPLY_LEDS_CMD = 0x48,
109 REPLY_TX_LINK_QUALITY_CMD = 0x4e, /* 4965 only */
111 /* WiMAX coexistence */
112 COEX_PRIORITY_TABLE_CMD = 0x5a, /* for 5000 series and up */
113 COEX_MEDIUM_NOTIFICATION = 0x5b,
114 COEX_EVENT_CMD = 0x5c,
117 TEMPERATURE_NOTIFICATION = 0x62,
118 CALIBRATION_CFG_CMD = 0x65,
119 CALIBRATION_RES_NOTIFICATION = 0x66,
120 CALIBRATION_COMPLETE_NOTIFICATION = 0x67,
122 /* 802.11h related */
123 RADAR_NOTIFICATION = 0x70, /* not used */
124 REPLY_QUIET_CMD = 0x71, /* not used */
125 REPLY_CHANNEL_SWITCH = 0x72,
126 CHANNEL_SWITCH_NOTIFICATION = 0x73,
127 REPLY_SPECTRUM_MEASUREMENT_CMD = 0x74,
128 SPECTRUM_MEASURE_NOTIFICATION = 0x75,
130 /* Power Management */
131 POWER_TABLE_CMD = 0x77,
132 PM_SLEEP_NOTIFICATION = 0x7A,
133 PM_DEBUG_STATISTIC_NOTIFIC = 0x7B,
135 /* Scan commands and notifications */
136 REPLY_SCAN_CMD = 0x80,
137 REPLY_SCAN_ABORT_CMD = 0x81,
138 SCAN_START_NOTIFICATION = 0x82,
139 SCAN_RESULTS_NOTIFICATION = 0x83,
140 SCAN_COMPLETE_NOTIFICATION = 0x84,
142 /* IBSS/AP commands */
143 BEACON_NOTIFICATION = 0x90,
144 REPLY_TX_BEACON = 0x91,
145 WHO_IS_AWAKE_NOTIFICATION = 0x94, /* not used */
147 /* Miscellaneous commands */
148 REPLY_TX_POWER_DBM_CMD = 0x95,
149 QUIET_NOTIFICATION = 0x96, /* not used */
150 REPLY_TX_PWR_TABLE_CMD = 0x97,
151 REPLY_TX_POWER_DBM_CMD_V1 = 0x98, /* old version of API */
152 TX_ANT_CONFIGURATION_CMD = 0x98,
153 MEASURE_ABORT_NOTIFICATION = 0x99, /* not used */
155 /* Bluetooth device coexistence config command */
156 REPLY_BT_CONFIG = 0x9b,
159 REPLY_STATISTICS_CMD = 0x9c,
160 STATISTICS_NOTIFICATION = 0x9d,
162 /* RF-KILL commands and notifications */
163 REPLY_CARD_STATE_CMD = 0xa0,
164 CARD_STATE_NOTIFICATION = 0xa1,
166 /* Missed beacons notification */
167 MISSED_BEACONS_NOTIFICATION = 0xa2,
169 REPLY_CT_KILL_CONFIG_CMD = 0xa4,
170 SENSITIVITY_CMD = 0xa8,
171 REPLY_PHY_CALIBRATION_CMD = 0xb0,
172 REPLY_RX_PHY_CMD = 0xc0,
173 REPLY_RX_MPDU_CMD = 0xc1,
175 REPLY_COMPRESSED_BA = 0xc5,
179 /******************************************************************************
181 * Commonly used structures and definitions:
182 * Command header, rate_n_flags, txpower
184 *****************************************************************************/
186 /* iwl_cmd_header flags value */
187 #define IWL_CMD_FAILED_MSK 0x40
189 #define SEQ_TO_QUEUE(s) (((s) >> 8) & 0x1f)
190 #define QUEUE_TO_SEQ(q) (((q) & 0x1f) << 8)
191 #define SEQ_TO_INDEX(s) ((s) & 0xff)
192 #define INDEX_TO_SEQ(i) ((i) & 0xff)
193 #define SEQ_HUGE_FRAME cpu_to_le16(0x4000)
194 #define SEQ_RX_FRAME cpu_to_le16(0x8000)
197 * struct iwl_cmd_header
199 * This header format appears in the beginning of each command sent from the
200 * driver, and each response/notification received from uCode.
202 struct iwl_cmd_header {
203 u8 cmd; /* Command ID: REPLY_RXON, etc. */
204 u8 flags; /* 0:5 reserved, 6 abort, 7 internal */
206 * The driver sets up the sequence number to values of its choosing.
207 * uCode does not use this value, but passes it back to the driver
208 * when sending the response to each driver-originated command, so
209 * the driver can match the response to the command. Since the values
210 * don't get used by uCode, the driver may set up an arbitrary format.
212 * There is one exception: uCode sets bit 15 when it originates
213 * the response/notification, i.e. when the response/notification
214 * is not a direct response to a command sent by the driver. For
215 * example, uCode issues REPLY_3945_RX when it sends a received frame
216 * to the driver; it is not a direct response to any driver command.
218 * The Linux driver uses the following format:
220 * 0:7 tfd index - position within TX queue
223 * 14 huge - driver sets this to indicate command is in the
224 * 'huge' storage at the end of the command buffers
225 * 15 unsolicited RX or uCode-originated notification
229 /* command or response/notification data follows immediately */
231 } __attribute__ ((packed));
235 * struct iwl3945_tx_power
237 * Used in REPLY_TX_PWR_TABLE_CMD, REPLY_SCAN_CMD, REPLY_CHANNEL_SWITCH
239 * Each entry contains two values:
240 * 1) DSP gain (or sometimes called DSP attenuation). This is a fine-grained
241 * linear value that multiplies the output of the digital signal processor,
242 * before being sent to the analog radio.
243 * 2) Radio gain. This sets the analog gain of the radio Tx path.
244 * It is a coarser setting, and behaves in a logarithmic (dB) fashion.
246 * Driver obtains values from struct iwl3945_tx_power power_gain_table[][].
248 struct iwl3945_tx_power {
249 u8 tx_gain; /* gain for analog radio */
250 u8 dsp_atten; /* gain for DSP */
251 } __attribute__ ((packed));
254 * struct iwl3945_power_per_rate
256 * Used in REPLY_TX_PWR_TABLE_CMD, REPLY_CHANNEL_SWITCH
258 struct iwl3945_power_per_rate {
260 struct iwl3945_tx_power tpc;
262 } __attribute__ ((packed));
265 * iwlagn rate_n_flags bit fields
267 * rate_n_flags format is used in following iwlagn commands:
268 * REPLY_RX (response only)
269 * REPLY_RX_MPDU (response only)
270 * REPLY_TX (both command and response)
271 * REPLY_TX_LINK_QUALITY_CMD
273 * High-throughput (HT) rate format for bits 7:0 (bit 8 must be "1"):
283 * 4-3: 0) Single stream (SISO)
284 * 1) Dual stream (MIMO)
285 * 2) Triple stream (MIMO)
287 * 5: Value of 0x20 in bits 7:0 indicates 6 Mbps HT40 duplicate data
289 * Legacy OFDM rate format for bits 7:0 (bit 8 must be "0", bit 9 "0"):
299 * Legacy CCK rate format for bits 7:0 (bit 8 must be "0", bit 9 "1"):
305 #define RATE_MCS_CODE_MSK 0x7
306 #define RATE_MCS_SPATIAL_POS 3
307 #define RATE_MCS_SPATIAL_MSK 0x18
308 #define RATE_MCS_HT_DUP_POS 5
309 #define RATE_MCS_HT_DUP_MSK 0x20
311 /* Bit 8: (1) HT format, (0) legacy format in bits 7:0 */
312 #define RATE_MCS_FLAGS_POS 8
313 #define RATE_MCS_HT_POS 8
314 #define RATE_MCS_HT_MSK 0x100
316 /* Bit 9: (1) CCK, (0) OFDM. HT (bit 8) must be "0" for this bit to be valid */
317 #define RATE_MCS_CCK_POS 9
318 #define RATE_MCS_CCK_MSK 0x200
320 /* Bit 10: (1) Use Green Field preamble */
321 #define RATE_MCS_GF_POS 10
322 #define RATE_MCS_GF_MSK 0x400
324 /* Bit 11: (1) Use 40Mhz HT40 chnl width, (0) use 20 MHz legacy chnl width */
325 #define RATE_MCS_HT40_POS 11
326 #define RATE_MCS_HT40_MSK 0x800
328 /* Bit 12: (1) Duplicate data on both 20MHz chnls. HT40 (bit 11) must be set. */
329 #define RATE_MCS_DUP_POS 12
330 #define RATE_MCS_DUP_MSK 0x1000
332 /* Bit 13: (1) Short guard interval (0.4 usec), (0) normal GI (0.8 usec) */
333 #define RATE_MCS_SGI_POS 13
334 #define RATE_MCS_SGI_MSK 0x2000
337 * rate_n_flags Tx antenna masks
338 * 4965 has 2 transmitters
339 * 5100 has 1 transmitter B
340 * 5150 has 1 transmitter A
341 * 5300 has 3 transmitters
342 * 5350 has 3 transmitters
345 #define RATE_MCS_ANT_POS 14
346 #define RATE_MCS_ANT_A_MSK 0x04000
347 #define RATE_MCS_ANT_B_MSK 0x08000
348 #define RATE_MCS_ANT_C_MSK 0x10000
349 #define RATE_MCS_ANT_AB_MSK (RATE_MCS_ANT_A_MSK | RATE_MCS_ANT_B_MSK)
350 #define RATE_MCS_ANT_ABC_MSK (RATE_MCS_ANT_AB_MSK | RATE_MCS_ANT_C_MSK)
351 #define RATE_ANT_NUM 3
353 #define POWER_TABLE_NUM_ENTRIES 33
354 #define POWER_TABLE_NUM_HT_OFDM_ENTRIES 32
355 #define POWER_TABLE_CCK_ENTRY 32
357 #define IWL_PWR_NUM_HT_OFDM_ENTRIES 24
358 #define IWL_PWR_CCK_ENTRIES 2
361 * union iwl4965_tx_power_dual_stream
363 * Host format used for REPLY_TX_PWR_TABLE_CMD, REPLY_CHANNEL_SWITCH
364 * Use __le32 version (struct tx_power_dual_stream) when building command.
366 * Driver provides radio gain and DSP attenuation settings to device in pairs,
367 * one value for each transmitter chain. The first value is for transmitter A,
368 * second for transmitter B.
370 * For SISO bit rates, both values in a pair should be identical.
371 * For MIMO rates, one value may be different from the other,
372 * in order to balance the Tx output between the two transmitters.
374 * See more details in doc for TXPOWER in iwl-4965-hw.h.
376 union iwl4965_tx_power_dual_stream {
379 u8 dsp_predis_atten[2];
385 * struct tx_power_dual_stream
387 * Table entries in REPLY_TX_PWR_TABLE_CMD, REPLY_CHANNEL_SWITCH
389 * Same format as iwl_tx_power_dual_stream, but __le32
391 struct tx_power_dual_stream {
393 } __attribute__ ((packed));
396 * struct iwl4965_tx_power_db
398 * Entire table within REPLY_TX_PWR_TABLE_CMD, REPLY_CHANNEL_SWITCH
400 struct iwl4965_tx_power_db {
401 struct tx_power_dual_stream power_tbl[POWER_TABLE_NUM_ENTRIES];
402 } __attribute__ ((packed));
405 * Command REPLY_TX_POWER_DBM_CMD = 0x98
406 * struct iwl5000_tx_power_dbm_cmd
408 #define IWL50_TX_POWER_AUTO 0x7f
409 #define IWL50_TX_POWER_NO_CLOSED (0x1 << 6)
411 struct iwl5000_tx_power_dbm_cmd {
412 s8 global_lmt; /*in half-dBm (e.g. 30 = 15 dBm) */
414 s8 srv_chan_lmt; /*in half-dBm (e.g. 30 = 15 dBm) */
416 } __attribute__ ((packed));
419 * Command TX_ANT_CONFIGURATION_CMD = 0x98
420 * This command is used to configure valid Tx antenna.
421 * By default uCode concludes the valid antenna according to the radio flavor.
422 * This command enables the driver to override/modify this conclusion.
424 struct iwl_tx_ant_config_cmd {
426 } __attribute__ ((packed));
428 /******************************************************************************
430 * Alive and Error Commands & Responses:
432 *****************************************************************************/
434 #define UCODE_VALID_OK cpu_to_le32(0x1)
435 #define INITIALIZE_SUBTYPE (9)
438 * ("Initialize") REPLY_ALIVE = 0x1 (response only, not a command)
440 * uCode issues this "initialize alive" notification once the initialization
441 * uCode image has completed its work, and is ready to load the runtime image.
442 * This is the *first* "alive" notification that the driver will receive after
443 * rebooting uCode; the "initialize" alive is indicated by subtype field == 9.
445 * See comments documenting "BSM" (bootstrap state machine).
447 * For 4965, this notification contains important calibration data for
448 * calculating txpower settings:
450 * 1) Power supply voltage indication. The voltage sensor outputs higher
451 * values for lower voltage, and vice verse.
453 * 2) Temperature measurement parameters, for each of two channel widths
454 * (20 MHz and 40 MHz) supported by the radios. Temperature sensing
455 * is done via one of the receiver chains, and channel width influences
458 * 3) Tx gain compensation to balance 4965's 2 Tx chains for MIMO operation,
459 * for each of 5 frequency ranges.
461 struct iwl_init_alive_resp {
467 u8 ver_subtype; /* "9" for initialize alive */
469 __le32 log_event_table_ptr;
470 __le32 error_event_table_ptr;
474 /* calibration values from "initialize" uCode */
475 __le32 voltage; /* signed, higher value is lower voltage */
476 __le32 therm_r1[2]; /* signed, 1st for normal, 2nd for HT40 */
477 __le32 therm_r2[2]; /* signed */
478 __le32 therm_r3[2]; /* signed */
479 __le32 therm_r4[2]; /* signed */
480 __le32 tx_atten[5][2]; /* signed MIMO gain comp, 5 freq groups,
482 } __attribute__ ((packed));
486 * REPLY_ALIVE = 0x1 (response only, not a command)
488 * uCode issues this "alive" notification once the runtime image is ready
489 * to receive commands from the driver. This is the *second* "alive"
490 * notification that the driver will receive after rebooting uCode;
491 * this "alive" is indicated by subtype field != 9.
493 * See comments documenting "BSM" (bootstrap state machine).
495 * This response includes two pointers to structures within the device's
496 * data SRAM (access via HBUS_TARG_MEM_* regs) that are useful for debugging:
498 * 1) log_event_table_ptr indicates base of the event log. This traces
499 * a 256-entry history of uCode execution within a circular buffer.
500 * Its header format is:
502 * __le32 log_size; log capacity (in number of entries)
503 * __le32 type; (1) timestamp with each entry, (0) no timestamp
504 * __le32 wraps; # times uCode has wrapped to top of circular buffer
505 * __le32 write_index; next circular buffer entry that uCode would fill
507 * The header is followed by the circular buffer of log entries. Entries
508 * with timestamps have the following format:
510 * __le32 event_id; range 0 - 1500
511 * __le32 timestamp; low 32 bits of TSF (of network, if associated)
512 * __le32 data; event_id-specific data value
514 * Entries without timestamps contain only event_id and data.
516 * 2) error_event_table_ptr indicates base of the error log. This contains
517 * information about any uCode error that occurs. For 4965, the format
518 * of the error log is:
520 * __le32 valid; (nonzero) valid, (0) log is empty
521 * __le32 error_id; type of error
522 * __le32 pc; program counter
523 * __le32 blink1; branch link
524 * __le32 blink2; branch link
525 * __le32 ilink1; interrupt link
526 * __le32 ilink2; interrupt link
527 * __le32 data1; error-specific data
528 * __le32 data2; error-specific data
529 * __le32 line; source code line of error
530 * __le32 bcon_time; beacon timer
531 * __le32 tsf_low; network timestamp function timer
532 * __le32 tsf_hi; network timestamp function timer
534 * The Linux driver can print both logs to the system log when a uCode error
537 struct iwl_alive_resp {
543 u8 ver_subtype; /* not "9" for runtime alive */
545 __le32 log_event_table_ptr; /* SRAM address for event log */
546 __le32 error_event_table_ptr; /* SRAM address for error log */
549 } __attribute__ ((packed));
552 * REPLY_ERROR = 0x2 (response only, not a command)
554 struct iwl_error_resp {
558 __le16 bad_cmd_seq_num;
561 } __attribute__ ((packed));
563 /******************************************************************************
565 * RXON Commands & Responses:
567 *****************************************************************************/
570 * Rx config defines & structure
572 /* rx_config device types */
574 RXON_DEV_TYPE_AP = 1,
575 RXON_DEV_TYPE_ESS = 3,
576 RXON_DEV_TYPE_IBSS = 4,
577 RXON_DEV_TYPE_SNIFFER = 6,
581 #define RXON_RX_CHAIN_DRIVER_FORCE_MSK cpu_to_le16(0x1 << 0)
582 #define RXON_RX_CHAIN_DRIVER_FORCE_POS (0)
583 #define RXON_RX_CHAIN_VALID_MSK cpu_to_le16(0x7 << 1)
584 #define RXON_RX_CHAIN_VALID_POS (1)
585 #define RXON_RX_CHAIN_FORCE_SEL_MSK cpu_to_le16(0x7 << 4)
586 #define RXON_RX_CHAIN_FORCE_SEL_POS (4)
587 #define RXON_RX_CHAIN_FORCE_MIMO_SEL_MSK cpu_to_le16(0x7 << 7)
588 #define RXON_RX_CHAIN_FORCE_MIMO_SEL_POS (7)
589 #define RXON_RX_CHAIN_CNT_MSK cpu_to_le16(0x3 << 10)
590 #define RXON_RX_CHAIN_CNT_POS (10)
591 #define RXON_RX_CHAIN_MIMO_CNT_MSK cpu_to_le16(0x3 << 12)
592 #define RXON_RX_CHAIN_MIMO_CNT_POS (12)
593 #define RXON_RX_CHAIN_MIMO_FORCE_MSK cpu_to_le16(0x1 << 14)
594 #define RXON_RX_CHAIN_MIMO_FORCE_POS (14)
596 /* rx_config flags */
597 /* band & modulation selection */
598 #define RXON_FLG_BAND_24G_MSK cpu_to_le32(1 << 0)
599 #define RXON_FLG_CCK_MSK cpu_to_le32(1 << 1)
600 /* auto detection enable */
601 #define RXON_FLG_AUTO_DETECT_MSK cpu_to_le32(1 << 2)
602 /* TGg protection when tx */
603 #define RXON_FLG_TGG_PROTECT_MSK cpu_to_le32(1 << 3)
604 /* cck short slot & preamble */
605 #define RXON_FLG_SHORT_SLOT_MSK cpu_to_le32(1 << 4)
606 #define RXON_FLG_SHORT_PREAMBLE_MSK cpu_to_le32(1 << 5)
607 /* antenna selection */
608 #define RXON_FLG_DIS_DIV_MSK cpu_to_le32(1 << 7)
609 #define RXON_FLG_ANT_SEL_MSK cpu_to_le32(0x0f00)
610 #define RXON_FLG_ANT_A_MSK cpu_to_le32(1 << 8)
611 #define RXON_FLG_ANT_B_MSK cpu_to_le32(1 << 9)
612 /* radar detection enable */
613 #define RXON_FLG_RADAR_DETECT_MSK cpu_to_le32(1 << 12)
614 #define RXON_FLG_TGJ_NARROW_BAND_MSK cpu_to_le32(1 << 13)
615 /* rx response to host with 8-byte TSF
616 * (according to ON_AIR deassertion) */
617 #define RXON_FLG_TSF2HOST_MSK cpu_to_le32(1 << 15)
621 #define RXON_FLG_CTRL_CHANNEL_LOC_POS (22)
622 #define RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK cpu_to_le32(0x1 << 22)
624 #define RXON_FLG_HT_OPERATING_MODE_POS (23)
626 #define RXON_FLG_HT_PROT_MSK cpu_to_le32(0x1 << 23)
627 #define RXON_FLG_HT40_PROT_MSK cpu_to_le32(0x2 << 23)
629 #define RXON_FLG_CHANNEL_MODE_POS (25)
630 #define RXON_FLG_CHANNEL_MODE_MSK cpu_to_le32(0x3 << 25)
634 CHANNEL_MODE_LEGACY = 0,
635 CHANNEL_MODE_PURE_40 = 1,
636 CHANNEL_MODE_MIXED = 2,
637 CHANNEL_MODE_RESERVED = 3,
639 #define RXON_FLG_CHANNEL_MODE_LEGACY cpu_to_le32(CHANNEL_MODE_LEGACY << RXON_FLG_CHANNEL_MODE_POS)
640 #define RXON_FLG_CHANNEL_MODE_PURE_40 cpu_to_le32(CHANNEL_MODE_PURE_40 << RXON_FLG_CHANNEL_MODE_POS)
641 #define RXON_FLG_CHANNEL_MODE_MIXED cpu_to_le32(CHANNEL_MODE_MIXED << RXON_FLG_CHANNEL_MODE_POS)
643 /* CTS to self (if spec allows) flag */
644 #define RXON_FLG_SELF_CTS_EN cpu_to_le32(0x1<<30)
646 /* rx_config filter flags */
647 /* accept all data frames */
648 #define RXON_FILTER_PROMISC_MSK cpu_to_le32(1 << 0)
649 /* pass control & management to host */
650 #define RXON_FILTER_CTL2HOST_MSK cpu_to_le32(1 << 1)
651 /* accept multi-cast */
652 #define RXON_FILTER_ACCEPT_GRP_MSK cpu_to_le32(1 << 2)
653 /* don't decrypt uni-cast frames */
654 #define RXON_FILTER_DIS_DECRYPT_MSK cpu_to_le32(1 << 3)
655 /* don't decrypt multi-cast frames */
656 #define RXON_FILTER_DIS_GRP_DECRYPT_MSK cpu_to_le32(1 << 4)
657 /* STA is associated */
658 #define RXON_FILTER_ASSOC_MSK cpu_to_le32(1 << 5)
659 /* transfer to host non bssid beacons in associated state */
660 #define RXON_FILTER_BCON_AWARE_MSK cpu_to_le32(1 << 6)
663 * REPLY_RXON = 0x10 (command, has simple generic response)
665 * RXON tunes the radio tuner to a service channel, and sets up a number
666 * of parameters that are used primarily for Rx, but also for Tx operations.
668 * NOTE: When tuning to a new channel, driver must set the
669 * RXON_FILTER_ASSOC_MSK to 0. This will clear station-dependent
670 * info within the device, including the station tables, tx retry
671 * rate tables, and txpower tables. Driver must build a new station
672 * table and txpower table before transmitting anything on the RXON
675 * NOTE: All RXONs wipe clean the internal txpower table. Driver must
676 * issue a new REPLY_TX_PWR_TABLE_CMD after each REPLY_RXON (0x10),
677 * regardless of whether RXON_FILTER_ASSOC_MSK is set.
680 struct iwl3945_rxon_cmd {
685 u8 wlap_bssid_addr[6];
697 } __attribute__ ((packed));
699 struct iwl4965_rxon_cmd {
704 u8 wlap_bssid_addr[6];
715 u8 ofdm_ht_single_stream_basic_rates;
716 u8 ofdm_ht_dual_stream_basic_rates;
717 } __attribute__ ((packed));
719 /* 5000 HW just extend this command */
720 struct iwl_rxon_cmd {
725 u8 wlap_bssid_addr[6];
736 u8 ofdm_ht_single_stream_basic_rates;
737 u8 ofdm_ht_dual_stream_basic_rates;
738 u8 ofdm_ht_triple_stream_basic_rates;
740 __le16 acquisition_data;
742 } __attribute__ ((packed));
745 * REPLY_RXON_ASSOC = 0x11 (command, has simple generic response)
747 struct iwl3945_rxon_assoc_cmd {
753 } __attribute__ ((packed));
755 struct iwl4965_rxon_assoc_cmd {
760 u8 ofdm_ht_single_stream_basic_rates;
761 u8 ofdm_ht_dual_stream_basic_rates;
762 __le16 rx_chain_select_flags;
764 } __attribute__ ((packed));
766 struct iwl5000_rxon_assoc_cmd {
772 u8 ofdm_ht_single_stream_basic_rates;
773 u8 ofdm_ht_dual_stream_basic_rates;
774 u8 ofdm_ht_triple_stream_basic_rates;
776 __le16 rx_chain_select_flags;
777 __le16 acquisition_data;
779 } __attribute__ ((packed));
781 #define IWL_CONN_MAX_LISTEN_INTERVAL 10
782 #define IWL_MAX_UCODE_BEACON_INTERVAL 4 /* 4096 */
783 #define IWL39_MAX_UCODE_BEACON_INTERVAL 1 /* 1024 */
786 * REPLY_RXON_TIMING = 0x14 (command, has simple generic response)
788 struct iwl_rxon_time_cmd {
790 __le16 beacon_interval;
792 __le32 beacon_init_val;
793 __le16 listen_interval;
795 } __attribute__ ((packed));
798 * REPLY_CHANNEL_SWITCH = 0x72 (command, has simple generic response)
800 struct iwl3945_channel_switch_cmd {
805 __le32 rxon_filter_flags;
807 struct iwl3945_power_per_rate power[IWL_MAX_RATES];
808 } __attribute__ ((packed));
810 struct iwl4965_channel_switch_cmd {
815 __le32 rxon_filter_flags;
817 struct iwl4965_tx_power_db tx_power;
818 } __attribute__ ((packed));
821 * struct iwl5000_channel_switch_cmd
822 * @band: 0- 5.2GHz, 1- 2.4GHz
823 * @expect_beacon: 0- resume transmits after channel switch
824 * 1- wait for beacon to resume transmits
825 * @channel: new channel number
826 * @rxon_flags: Rx on flags
827 * @rxon_filter_flags: filtering parameters
828 * @switch_time: switch time in extended beacon format
829 * @reserved: reserved bytes
831 struct iwl5000_channel_switch_cmd {
836 __le32 rxon_filter_flags;
838 __le32 reserved[2][IWL_PWR_NUM_HT_OFDM_ENTRIES + IWL_PWR_CCK_ENTRIES];
839 } __attribute__ ((packed));
842 * struct iwl6000_channel_switch_cmd
843 * @band: 0- 5.2GHz, 1- 2.4GHz
844 * @expect_beacon: 0- resume transmits after channel switch
845 * 1- wait for beacon to resume transmits
846 * @channel: new channel number
847 * @rxon_flags: Rx on flags
848 * @rxon_filter_flags: filtering parameters
849 * @switch_time: switch time in extended beacon format
850 * @reserved: reserved bytes
852 struct iwl6000_channel_switch_cmd {
857 __le32 rxon_filter_flags;
859 __le32 reserved[3][IWL_PWR_NUM_HT_OFDM_ENTRIES + IWL_PWR_CCK_ENTRIES];
860 } __attribute__ ((packed));
863 * CHANNEL_SWITCH_NOTIFICATION = 0x73 (notification only, not a command)
865 struct iwl_csa_notification {
868 __le32 status; /* 0 - OK, 1 - fail */
869 } __attribute__ ((packed));
871 /******************************************************************************
873 * Quality-of-Service (QOS) Commands & Responses:
875 *****************************************************************************/
878 * struct iwl_ac_qos -- QOS timing params for REPLY_QOS_PARAM
879 * One for each of 4 EDCA access categories in struct iwl_qosparam_cmd
881 * @cw_min: Contention window, start value in numbers of slots.
882 * Should be a power-of-2, minus 1. Device's default is 0x0f.
883 * @cw_max: Contention window, max value in numbers of slots.
884 * Should be a power-of-2, minus 1. Device's default is 0x3f.
885 * @aifsn: Number of slots in Arbitration Interframe Space (before
886 * performing random backoff timing prior to Tx). Device default 1.
887 * @edca_txop: Length of Tx opportunity, in uSecs. Device default is 0.
889 * Device will automatically increase contention window by (2*CW) + 1 for each
890 * transmission retry. Device uses cw_max as a bit mask, ANDed with new CW
891 * value, to cap the CW value.
899 } __attribute__ ((packed));
901 /* QoS flags defines */
902 #define QOS_PARAM_FLG_UPDATE_EDCA_MSK cpu_to_le32(0x01)
903 #define QOS_PARAM_FLG_TGN_MSK cpu_to_le32(0x02)
904 #define QOS_PARAM_FLG_TXOP_TYPE_MSK cpu_to_le32(0x10)
906 /* Number of Access Categories (AC) (EDCA), queues 0..3 */
910 * REPLY_QOS_PARAM = 0x13 (command, has simple generic response)
912 * This command sets up timings for each of the 4 prioritized EDCA Tx FIFOs
913 * 0: Background, 1: Best Effort, 2: Video, 3: Voice.
915 struct iwl_qosparam_cmd {
917 struct iwl_ac_qos ac[AC_NUM];
918 } __attribute__ ((packed));
920 /******************************************************************************
922 * Add/Modify Stations Commands & Responses:
924 *****************************************************************************/
926 * Multi station support
929 /* Special, dedicated locations within device's station table */
931 #define IWL_MULTICAST_ID 1
933 #define IWL3945_BROADCAST_ID 24
934 #define IWL3945_STATION_COUNT 25
935 #define IWL4965_BROADCAST_ID 31
936 #define IWL4965_STATION_COUNT 32
937 #define IWL5000_BROADCAST_ID 15
938 #define IWL5000_STATION_COUNT 16
940 #define IWL_STATION_COUNT 32 /* MAX(3945,4965)*/
941 #define IWL_INVALID_STATION 255
943 #define STA_FLG_TX_RATE_MSK cpu_to_le32(1 << 2);
944 #define STA_FLG_PWR_SAVE_MSK cpu_to_le32(1 << 8);
945 #define STA_FLG_RTS_MIMO_PROT_MSK cpu_to_le32(1 << 17)
946 #define STA_FLG_AGG_MPDU_8US_MSK cpu_to_le32(1 << 18)
947 #define STA_FLG_MAX_AGG_SIZE_POS (19)
948 #define STA_FLG_MAX_AGG_SIZE_MSK cpu_to_le32(3 << 19)
949 #define STA_FLG_HT40_EN_MSK cpu_to_le32(1 << 21)
950 #define STA_FLG_MIMO_DIS_MSK cpu_to_le32(1 << 22)
951 #define STA_FLG_AGG_MPDU_DENSITY_POS (23)
952 #define STA_FLG_AGG_MPDU_DENSITY_MSK cpu_to_le32(7 << 23)
954 /* Use in mode field. 1: modify existing entry, 0: add new station entry */
955 #define STA_CONTROL_MODIFY_MSK 0x01
957 /* key flags __le16*/
958 #define STA_KEY_FLG_ENCRYPT_MSK cpu_to_le16(0x0007)
959 #define STA_KEY_FLG_NO_ENC cpu_to_le16(0x0000)
960 #define STA_KEY_FLG_WEP cpu_to_le16(0x0001)
961 #define STA_KEY_FLG_CCMP cpu_to_le16(0x0002)
962 #define STA_KEY_FLG_TKIP cpu_to_le16(0x0003)
964 #define STA_KEY_FLG_KEYID_POS 8
965 #define STA_KEY_FLG_INVALID cpu_to_le16(0x0800)
966 /* wep key is either from global key (0) or from station info array (1) */
967 #define STA_KEY_FLG_MAP_KEY_MSK cpu_to_le16(0x0008)
969 /* wep key in STA: 5-bytes (0) or 13-bytes (1) */
970 #define STA_KEY_FLG_KEY_SIZE_MSK cpu_to_le16(0x1000)
971 #define STA_KEY_MULTICAST_MSK cpu_to_le16(0x4000)
972 #define STA_KEY_MAX_NUM 8
974 /* Flags indicate whether to modify vs. don't change various station params */
975 #define STA_MODIFY_KEY_MASK 0x01
976 #define STA_MODIFY_TID_DISABLE_TX 0x02
977 #define STA_MODIFY_TX_RATE_MSK 0x04
978 #define STA_MODIFY_ADDBA_TID_MSK 0x08
979 #define STA_MODIFY_DELBA_TID_MSK 0x10
981 /* Receiver address (actually, Rx station's index into station table),
982 * combined with Traffic ID (QOS priority), in format used by Tx Scheduler */
983 #define BUILD_RAxTID(sta_id, tid) (((sta_id) << 4) + (tid))
985 struct iwl4965_keyinfo {
987 u8 tkip_rx_tsc_byte2; /* TSC[2] for key mix ph1 detection */
989 __le16 tkip_rx_ttak[5]; /* 10-byte unicast TKIP TTAK */
992 u8 key[16]; /* 16-byte unicast decryption key */
993 } __attribute__ ((packed));
998 u8 tkip_rx_tsc_byte2; /* TSC[2] for key mix ph1 detection */
1000 __le16 tkip_rx_ttak[5]; /* 10-byte unicast TKIP TTAK */
1003 u8 key[16]; /* 16-byte unicast decryption key */
1004 __le64 tx_secur_seq_cnt;
1005 __le64 hw_tkip_mic_rx_key;
1006 __le64 hw_tkip_mic_tx_key;
1007 } __attribute__ ((packed));
1010 * struct sta_id_modify
1011 * @addr[ETH_ALEN]: station's MAC address
1012 * @sta_id: index of station in uCode's station table
1013 * @modify_mask: STA_MODIFY_*, 1: modify, 0: don't change
1015 * Driver selects unused table index when adding new station,
1016 * or the index to a pre-existing station entry when modifying that station.
1017 * Some indexes have special purposes (IWL_AP_ID, index 0, is for AP).
1019 * modify_mask flags select which parameters to modify vs. leave alone.
1021 struct sta_id_modify {
1027 } __attribute__ ((packed));
1030 * REPLY_ADD_STA = 0x18 (command)
1032 * The device contains an internal table of per-station information,
1033 * with info on security keys, aggregation parameters, and Tx rates for
1034 * initial Tx attempt and any retries (4965 uses REPLY_TX_LINK_QUALITY_CMD,
1035 * 3945 uses REPLY_RATE_SCALE to set up rate tables).
1037 * REPLY_ADD_STA sets up the table entry for one station, either creating
1038 * a new entry, or modifying a pre-existing one.
1040 * NOTE: RXON command (without "associated" bit set) wipes the station table
1041 * clean. Moving into RF_KILL state does this also. Driver must set up
1042 * new station table before transmitting anything on the RXON channel
1043 * (except active scans or active measurements; those commands carry
1044 * their own txpower/rate setup data).
1046 * When getting started on a new channel, driver must set up the
1047 * IWL_BROADCAST_ID entry (last entry in the table). For a client
1048 * station in a BSS, once an AP is selected, driver sets up the AP STA
1049 * in the IWL_AP_ID entry (1st entry in the table). BROADCAST and AP
1050 * are all that are needed for a BSS client station. If the device is
1051 * used as AP, or in an IBSS network, driver must set up station table
1052 * entries for all STAs in network, starting with index IWL_STA_ID.
1055 struct iwl3945_addsta_cmd {
1056 u8 mode; /* 1: modify existing, 0: add new station */
1058 struct sta_id_modify sta;
1059 struct iwl4965_keyinfo key;
1060 __le32 station_flags; /* STA_FLG_* */
1061 __le32 station_flags_msk; /* STA_FLG_* */
1063 /* bit field to disable (1) or enable (0) Tx for Traffic ID (TID)
1064 * corresponding to bit (e.g. bit 5 controls TID 5).
1065 * Set modify_mask bit STA_MODIFY_TID_DISABLE_TX to use this field. */
1066 __le16 tid_disable_tx;
1068 __le16 rate_n_flags;
1070 /* TID for which to add block-ack support.
1071 * Set modify_mask bit STA_MODIFY_ADDBA_TID_MSK to use this field. */
1072 u8 add_immediate_ba_tid;
1074 /* TID for which to remove block-ack support.
1075 * Set modify_mask bit STA_MODIFY_DELBA_TID_MSK to use this field. */
1076 u8 remove_immediate_ba_tid;
1078 /* Starting Sequence Number for added block-ack support.
1079 * Set modify_mask bit STA_MODIFY_ADDBA_TID_MSK to use this field. */
1080 __le16 add_immediate_ba_ssn;
1081 } __attribute__ ((packed));
1083 struct iwl4965_addsta_cmd {
1084 u8 mode; /* 1: modify existing, 0: add new station */
1086 struct sta_id_modify sta;
1087 struct iwl4965_keyinfo key;
1088 __le32 station_flags; /* STA_FLG_* */
1089 __le32 station_flags_msk; /* STA_FLG_* */
1091 /* bit field to disable (1) or enable (0) Tx for Traffic ID (TID)
1092 * corresponding to bit (e.g. bit 5 controls TID 5).
1093 * Set modify_mask bit STA_MODIFY_TID_DISABLE_TX to use this field. */
1094 __le16 tid_disable_tx;
1098 /* TID for which to add block-ack support.
1099 * Set modify_mask bit STA_MODIFY_ADDBA_TID_MSK to use this field. */
1100 u8 add_immediate_ba_tid;
1102 /* TID for which to remove block-ack support.
1103 * Set modify_mask bit STA_MODIFY_DELBA_TID_MSK to use this field. */
1104 u8 remove_immediate_ba_tid;
1106 /* Starting Sequence Number for added block-ack support.
1107 * Set modify_mask bit STA_MODIFY_ADDBA_TID_MSK to use this field. */
1108 __le16 add_immediate_ba_ssn;
1111 } __attribute__ ((packed));
1114 struct iwl_addsta_cmd {
1115 u8 mode; /* 1: modify existing, 0: add new station */
1117 struct sta_id_modify sta;
1118 struct iwl_keyinfo key;
1119 __le32 station_flags; /* STA_FLG_* */
1120 __le32 station_flags_msk; /* STA_FLG_* */
1122 /* bit field to disable (1) or enable (0) Tx for Traffic ID (TID)
1123 * corresponding to bit (e.g. bit 5 controls TID 5).
1124 * Set modify_mask bit STA_MODIFY_TID_DISABLE_TX to use this field. */
1125 __le16 tid_disable_tx;
1127 __le16 rate_n_flags; /* 3945 only */
1129 /* TID for which to add block-ack support.
1130 * Set modify_mask bit STA_MODIFY_ADDBA_TID_MSK to use this field. */
1131 u8 add_immediate_ba_tid;
1133 /* TID for which to remove block-ack support.
1134 * Set modify_mask bit STA_MODIFY_DELBA_TID_MSK to use this field. */
1135 u8 remove_immediate_ba_tid;
1137 /* Starting Sequence Number for added block-ack support.
1138 * Set modify_mask bit STA_MODIFY_ADDBA_TID_MSK to use this field. */
1139 __le16 add_immediate_ba_ssn;
1142 } __attribute__ ((packed));
1145 #define ADD_STA_SUCCESS_MSK 0x1
1146 #define ADD_STA_NO_ROOM_IN_TABLE 0x2
1147 #define ADD_STA_NO_BLOCK_ACK_RESOURCE 0x4
1148 #define ADD_STA_MODIFY_NON_EXIST_STA 0x8
1150 * REPLY_ADD_STA = 0x18 (response)
1152 struct iwl_add_sta_resp {
1153 u8 status; /* ADD_STA_* */
1154 } __attribute__ ((packed));
1156 #define REM_STA_SUCCESS_MSK 0x1
1158 * REPLY_REM_STA = 0x19 (response)
1160 struct iwl_rem_sta_resp {
1162 } __attribute__ ((packed));
1165 * REPLY_REM_STA = 0x19 (command)
1167 struct iwl_rem_sta_cmd {
1168 u8 num_sta; /* number of removed stations */
1170 u8 addr[ETH_ALEN]; /* MAC addr of the first station */
1172 } __attribute__ ((packed));
1175 * REPLY_WEP_KEY = 0x20
1177 struct iwl_wep_key {
1184 } __attribute__ ((packed));
1186 struct iwl_wep_cmd {
1191 struct iwl_wep_key key[0];
1192 } __attribute__ ((packed));
1194 #define WEP_KEY_WEP_TYPE 1
1195 #define WEP_KEYS_MAX 4
1196 #define WEP_INVALID_OFFSET 0xff
1197 #define WEP_KEY_LEN_64 5
1198 #define WEP_KEY_LEN_128 13
1200 /******************************************************************************
1204 *****************************************************************************/
1206 #define RX_RES_STATUS_NO_CRC32_ERROR cpu_to_le32(1 << 0)
1207 #define RX_RES_STATUS_NO_RXE_OVERFLOW cpu_to_le32(1 << 1)
1209 #define RX_RES_PHY_FLAGS_BAND_24_MSK cpu_to_le16(1 << 0)
1210 #define RX_RES_PHY_FLAGS_MOD_CCK_MSK cpu_to_le16(1 << 1)
1211 #define RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK cpu_to_le16(1 << 2)
1212 #define RX_RES_PHY_FLAGS_NARROW_BAND_MSK cpu_to_le16(1 << 3)
1213 #define RX_RES_PHY_FLAGS_ANTENNA_MSK 0xf0
1214 #define RX_RES_PHY_FLAGS_ANTENNA_POS 4
1216 #define RX_RES_STATUS_SEC_TYPE_MSK (0x7 << 8)
1217 #define RX_RES_STATUS_SEC_TYPE_NONE (0x0 << 8)
1218 #define RX_RES_STATUS_SEC_TYPE_WEP (0x1 << 8)
1219 #define RX_RES_STATUS_SEC_TYPE_CCMP (0x2 << 8)
1220 #define RX_RES_STATUS_SEC_TYPE_TKIP (0x3 << 8)
1221 #define RX_RES_STATUS_SEC_TYPE_ERR (0x7 << 8)
1223 #define RX_RES_STATUS_STATION_FOUND (1<<6)
1224 #define RX_RES_STATUS_NO_STATION_INFO_MISMATCH (1<<7)
1226 #define RX_RES_STATUS_DECRYPT_TYPE_MSK (0x3 << 11)
1227 #define RX_RES_STATUS_NOT_DECRYPT (0x0 << 11)
1228 #define RX_RES_STATUS_DECRYPT_OK (0x3 << 11)
1229 #define RX_RES_STATUS_BAD_ICV_MIC (0x1 << 11)
1230 #define RX_RES_STATUS_BAD_KEY_TTAK (0x2 << 11)
1232 #define RX_MPDU_RES_STATUS_ICV_OK (0x20)
1233 #define RX_MPDU_RES_STATUS_MIC_OK (0x40)
1234 #define RX_MPDU_RES_STATUS_TTAK_OK (1 << 7)
1235 #define RX_MPDU_RES_STATUS_DEC_DONE_MSK (0x800)
1238 struct iwl3945_rx_frame_stats {
1246 } __attribute__ ((packed));
1248 struct iwl3945_rx_frame_hdr {
1255 } __attribute__ ((packed));
1257 struct iwl3945_rx_frame_end {
1260 __le32 beacon_timestamp;
1261 } __attribute__ ((packed));
1264 * REPLY_3945_RX = 0x1b (response only, not a command)
1266 * NOTE: DO NOT dereference from casts to this structure
1267 * It is provided only for calculating minimum data set size.
1268 * The actual offsets of the hdr and end are dynamic based on
1271 struct iwl3945_rx_frame {
1272 struct iwl3945_rx_frame_stats stats;
1273 struct iwl3945_rx_frame_hdr hdr;
1274 struct iwl3945_rx_frame_end end;
1275 } __attribute__ ((packed));
1277 #define IWL39_RX_FRAME_SIZE (4 + sizeof(struct iwl3945_rx_frame))
1279 /* Fixed (non-configurable) rx data from phy */
1281 #define IWL49_RX_RES_PHY_CNT 14
1282 #define IWL49_RX_PHY_FLAGS_ANTENNAE_OFFSET (4)
1283 #define IWL49_RX_PHY_FLAGS_ANTENNAE_MASK (0x70)
1284 #define IWL49_AGC_DB_MASK (0x3f80) /* MASK(7,13) */
1285 #define IWL49_AGC_DB_POS (7)
1286 struct iwl4965_rx_non_cfg_phy {
1287 __le16 ant_selection; /* ant A bit 4, ant B bit 5, ant C bit 6 */
1288 __le16 agc_info; /* agc code 0:6, agc dB 7:13, reserved 14:15 */
1289 u8 rssi_info[6]; /* we use even entries, 0/2/4 for A/B/C rssi */
1291 } __attribute__ ((packed));
1294 #define IWL50_RX_RES_PHY_CNT 8
1295 #define IWL50_RX_RES_AGC_IDX 1
1296 #define IWL50_RX_RES_RSSI_AB_IDX 2
1297 #define IWL50_RX_RES_RSSI_C_IDX 3
1298 #define IWL50_OFDM_AGC_MSK 0xfe00
1299 #define IWL50_OFDM_AGC_BIT_POS 9
1300 #define IWL50_OFDM_RSSI_A_MSK 0x00ff
1301 #define IWL50_OFDM_RSSI_A_BIT_POS 0
1302 #define IWL50_OFDM_RSSI_B_MSK 0xff0000
1303 #define IWL50_OFDM_RSSI_B_BIT_POS 16
1304 #define IWL50_OFDM_RSSI_C_MSK 0x00ff
1305 #define IWL50_OFDM_RSSI_C_BIT_POS 0
1307 struct iwl5000_non_cfg_phy {
1308 __le32 non_cfg_phy[IWL50_RX_RES_PHY_CNT]; /* up to 8 phy entries */
1309 } __attribute__ ((packed));
1313 * REPLY_RX = 0xc3 (response only, not a command)
1314 * Used only for legacy (non 11n) frames.
1316 struct iwl_rx_phy_res {
1317 u8 non_cfg_phy_cnt; /* non configurable DSP phy data byte count */
1318 u8 cfg_phy_cnt; /* configurable DSP phy data byte count */
1319 u8 stat_id; /* configurable DSP phy data set ID */
1321 __le64 timestamp; /* TSF at on air rise */
1322 __le32 beacon_time_stamp; /* beacon at on-air rise */
1323 __le16 phy_flags; /* general phy flags: band, modulation, ... */
1324 __le16 channel; /* channel number */
1325 u8 non_cfg_phy_buf[32]; /* for various implementations of non_cfg_phy */
1326 __le32 rate_n_flags; /* RATE_MCS_* */
1327 __le16 byte_count; /* frame's byte-count */
1329 } __attribute__ ((packed));
1331 struct iwl4965_rx_mpdu_res_start {
1334 } __attribute__ ((packed));
1337 /******************************************************************************
1339 * Tx Commands & Responses:
1341 * Driver must place each REPLY_TX command into one of the prioritized Tx
1342 * queues in host DRAM, shared between driver and device (see comments for
1343 * SCD registers and Tx/Rx Queues). When the device's Tx scheduler and uCode
1344 * are preparing to transmit, the device pulls the Tx command over the PCI
1345 * bus via one of the device's Tx DMA channels, to fill an internal FIFO
1346 * from which data will be transmitted.
1348 * uCode handles all timing and protocol related to control frames
1349 * (RTS/CTS/ACK), based on flags in the Tx command. uCode and Tx scheduler
1350 * handle reception of block-acks; uCode updates the host driver via
1351 * REPLY_COMPRESSED_BA (4965).
1353 * uCode handles retrying Tx when an ACK is expected but not received.
1354 * This includes trying lower data rates than the one requested in the Tx
1355 * command, as set up by the REPLY_RATE_SCALE (for 3945) or
1356 * REPLY_TX_LINK_QUALITY_CMD (4965).
1358 * Driver sets up transmit power for various rates via REPLY_TX_PWR_TABLE_CMD.
1359 * This command must be executed after every RXON command, before Tx can occur.
1360 *****************************************************************************/
1362 /* REPLY_TX Tx flags field */
1364 /* 1: Use RTS/CTS protocol or CTS-to-self if spec allows it
1365 * before this frame. if CTS-to-self required check
1366 * RXON_FLG_SELF_CTS_EN status. */
1367 #define TX_CMD_FLG_RTS_CTS_MSK cpu_to_le32(1 << 0)
1369 /* 1: Use Request-To-Send protocol before this frame.
1370 * Mutually exclusive vs. TX_CMD_FLG_CTS_MSK. */
1371 #define TX_CMD_FLG_RTS_MSK cpu_to_le32(1 << 1)
1373 /* 1: Transmit Clear-To-Send to self before this frame.
1374 * Driver should set this for AUTH/DEAUTH/ASSOC-REQ/REASSOC mgmnt frames.
1375 * Mutually exclusive vs. TX_CMD_FLG_RTS_MSK. */
1376 #define TX_CMD_FLG_CTS_MSK cpu_to_le32(1 << 2)
1378 /* 1: Expect ACK from receiving station
1379 * 0: Don't expect ACK (MAC header's duration field s/b 0)
1380 * Set this for unicast frames, but not broadcast/multicast. */
1381 #define TX_CMD_FLG_ACK_MSK cpu_to_le32(1 << 3)
1384 * 1: Use rate scale table (see REPLY_TX_LINK_QUALITY_CMD).
1385 * Tx command's initial_rate_index indicates first rate to try;
1386 * uCode walks through table for additional Tx attempts.
1387 * 0: Use Tx rate/MCS from Tx command's rate_n_flags field.
1388 * This rate will be used for all Tx attempts; it will not be scaled. */
1389 #define TX_CMD_FLG_STA_RATE_MSK cpu_to_le32(1 << 4)
1391 /* 1: Expect immediate block-ack.
1392 * Set when Txing a block-ack request frame. Also set TX_CMD_FLG_ACK_MSK. */
1393 #define TX_CMD_FLG_IMM_BA_RSP_MASK cpu_to_le32(1 << 6)
1395 /* 1: Frame requires full Tx-Op protection.
1396 * Set this if either RTS or CTS Tx Flag gets set. */
1397 #define TX_CMD_FLG_FULL_TXOP_PROT_MSK cpu_to_le32(1 << 7)
1399 /* Tx antenna selection field; used only for 3945, reserved (0) for 4965.
1400 * Set field to "0" to allow 3945 uCode to select antenna (normal usage). */
1401 #define TX_CMD_FLG_ANT_SEL_MSK cpu_to_le32(0xf00)
1402 #define TX_CMD_FLG_ANT_A_MSK cpu_to_le32(1 << 8)
1403 #define TX_CMD_FLG_ANT_B_MSK cpu_to_le32(1 << 9)
1405 /* 1: Ignore Bluetooth priority for this frame.
1406 * 0: Delay Tx until Bluetooth device is done (normal usage). */
1407 #define TX_CMD_FLG_BT_DIS_MSK cpu_to_le32(1 << 12)
1409 /* 1: uCode overrides sequence control field in MAC header.
1410 * 0: Driver provides sequence control field in MAC header.
1411 * Set this for management frames, non-QOS data frames, non-unicast frames,
1412 * and also in Tx command embedded in REPLY_SCAN_CMD for active scans. */
1413 #define TX_CMD_FLG_SEQ_CTL_MSK cpu_to_le32(1 << 13)
1415 /* 1: This frame is non-last MPDU; more fragments are coming.
1416 * 0: Last fragment, or not using fragmentation. */
1417 #define TX_CMD_FLG_MORE_FRAG_MSK cpu_to_le32(1 << 14)
1419 /* 1: uCode calculates and inserts Timestamp Function (TSF) in outgoing frame.
1420 * 0: No TSF required in outgoing frame.
1421 * Set this for transmitting beacons and probe responses. */
1422 #define TX_CMD_FLG_TSF_MSK cpu_to_le32(1 << 16)
1424 /* 1: Driver inserted 2 bytes pad after the MAC header, for (required) dword
1425 * alignment of frame's payload data field.
1427 * Set this for MAC headers with 26 or 30 bytes, i.e. those with QOS or ADDR4
1428 * field (but not both). Driver must align frame data (i.e. data following
1429 * MAC header) to DWORD boundary. */
1430 #define TX_CMD_FLG_MH_PAD_MSK cpu_to_le32(1 << 20)
1432 /* accelerate aggregation support
1433 * 0 - no CCMP encryption; 1 - CCMP encryption */
1434 #define TX_CMD_FLG_AGG_CCMP_MSK cpu_to_le32(1 << 22)
1436 /* HCCA-AP - disable duration overwriting. */
1437 #define TX_CMD_FLG_DUR_MSK cpu_to_le32(1 << 25)
1441 * TX command security control
1443 #define TX_CMD_SEC_WEP 0x01
1444 #define TX_CMD_SEC_CCM 0x02
1445 #define TX_CMD_SEC_TKIP 0x03
1446 #define TX_CMD_SEC_MSK 0x03
1447 #define TX_CMD_SEC_SHIFT 6
1448 #define TX_CMD_SEC_KEY128 0x08
1451 * security overhead sizes
1453 #define WEP_IV_LEN 4
1454 #define WEP_ICV_LEN 4
1455 #define CCMP_MIC_LEN 8
1456 #define TKIP_ICV_LEN 4
1459 * REPLY_TX = 0x1c (command)
1462 struct iwl3945_tx_cmd {
1465 * MAC header (24/26/30/32 bytes) + 2 bytes pad if 26/30 header size,
1466 * + 8 byte IV for CCM or TKIP (not used for WEP)
1468 * + 8-byte MIC (not used for CCM/WEP)
1469 * NOTE: Does not include Tx command bytes, post-MAC pad bytes,
1470 * MIC (CCM) 8 bytes, ICV (WEP/TKIP/CKIP) 4 bytes, CRC 4 bytes.i
1471 * Range: 14-2342 bytes.
1476 * MPDU or MSDU byte count for next frame.
1477 * Used for fragmentation and bursting, but not 11n aggregation.
1478 * Same as "len", but for next frame. Set to 0 if not applicable.
1480 __le16 next_frame_len;
1482 __le32 tx_flags; /* TX_CMD_FLG_* */
1486 /* Index of recipient station in uCode's station table */
1496 __le32 next_frame_info;
1502 u8 rts_retry_limit; /*byte 50 */
1503 u8 data_retry_limit; /*byte 51 */
1505 __le16 pm_frame_timeout;
1506 __le16 attempt_duration;
1510 * Duration of EDCA burst Tx Opportunity, in 32-usec units.
1511 * Set this if txop time is not specified by HCCA protocol (e.g. by AP).
1516 * MAC header goes here, followed by 2 bytes padding if MAC header
1517 * length is 26 or 30 bytes, followed by payload data
1520 struct ieee80211_hdr hdr[0];
1521 } __attribute__ ((packed));
1524 * REPLY_TX = 0x1c (response)
1526 struct iwl3945_tx_resp {
1531 __le32 wireless_media_time;
1532 __le32 status; /* TX status */
1533 } __attribute__ ((packed));
1537 * 4965 uCode updates these Tx attempt count values in host DRAM.
1538 * Used for managing Tx retries when expecting block-acks.
1539 * Driver should set these fields to 0.
1541 struct iwl_dram_scratch {
1542 u8 try_cnt; /* Tx attempts */
1543 u8 bt_kill_cnt; /* Tx attempts blocked by Bluetooth device */
1545 } __attribute__ ((packed));
1550 * MAC header (24/26/30/32 bytes) + 2 bytes pad if 26/30 header size,
1551 * + 8 byte IV for CCM or TKIP (not used for WEP)
1553 * + 8-byte MIC (not used for CCM/WEP)
1554 * NOTE: Does not include Tx command bytes, post-MAC pad bytes,
1555 * MIC (CCM) 8 bytes, ICV (WEP/TKIP/CKIP) 4 bytes, CRC 4 bytes.i
1556 * Range: 14-2342 bytes.
1561 * MPDU or MSDU byte count for next frame.
1562 * Used for fragmentation and bursting, but not 11n aggregation.
1563 * Same as "len", but for next frame. Set to 0 if not applicable.
1565 __le16 next_frame_len;
1567 __le32 tx_flags; /* TX_CMD_FLG_* */
1569 /* uCode may modify this field of the Tx command (in host DRAM!).
1570 * Driver must also set dram_lsb_ptr and dram_msb_ptr in this cmd. */
1571 struct iwl_dram_scratch scratch;
1573 /* Rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is cleared. */
1574 __le32 rate_n_flags; /* RATE_MCS_* */
1576 /* Index of destination station in uCode's station table */
1579 /* Type of security encryption: CCM or TKIP */
1580 u8 sec_ctl; /* TX_CMD_SEC_* */
1583 * Index into rate table (see REPLY_TX_LINK_QUALITY_CMD) for initial
1584 * Tx attempt, if TX_CMD_FLG_STA_RATE_MSK is set. Normally "0" for
1585 * data frames, this field may be used to selectively reduce initial
1586 * rate (via non-0 value) for special frames (e.g. management), while
1587 * still supporting rate scaling for all frames.
1589 u8 initial_rate_index;
1592 __le16 next_frame_flags;
1599 /* Host DRAM physical address pointer to "scratch" in this command.
1600 * Must be dword aligned. "0" in dram_lsb_ptr disables usage. */
1601 __le32 dram_lsb_ptr;
1604 u8 rts_retry_limit; /*byte 50 */
1605 u8 data_retry_limit; /*byte 51 */
1608 __le16 pm_frame_timeout;
1609 __le16 attempt_duration;
1613 * Duration of EDCA burst Tx Opportunity, in 32-usec units.
1614 * Set this if txop time is not specified by HCCA protocol (e.g. by AP).
1619 * MAC header goes here, followed by 2 bytes padding if MAC header
1620 * length is 26 or 30 bytes, followed by payload data
1623 struct ieee80211_hdr hdr[0];
1624 } __attribute__ ((packed));
1626 /* TX command response is sent after *all* transmission attempts.
1630 * TX_STATUS_FAIL_NEXT_FRAG
1632 * If the fragment flag in the MAC header for the frame being transmitted
1633 * is set and there is insufficient time to transmit the next frame, the
1634 * TX status will be returned with 'TX_STATUS_FAIL_NEXT_FRAG'.
1636 * TX_STATUS_FIFO_UNDERRUN
1638 * Indicates the host did not provide bytes to the FIFO fast enough while
1639 * a TX was in progress.
1641 * TX_STATUS_FAIL_MGMNT_ABORT
1643 * This status is only possible if the ABORT ON MGMT RX parameter was
1644 * set to true with the TX command.
1646 * If the MSB of the status parameter is set then an abort sequence is
1647 * required. This sequence consists of the host activating the TX Abort
1648 * control line, and then waiting for the TX Abort command response. This
1649 * indicates that a the device is no longer in a transmit state, and that the
1650 * command FIFO has been cleared. The host must then deactivate the TX Abort
1651 * control line. Receiving is still allowed in this case.
1654 TX_STATUS_SUCCESS = 0x01,
1655 TX_STATUS_DIRECT_DONE = 0x02,
1656 TX_STATUS_FAIL_SHORT_LIMIT = 0x82,
1657 TX_STATUS_FAIL_LONG_LIMIT = 0x83,
1658 TX_STATUS_FAIL_FIFO_UNDERRUN = 0x84,
1659 TX_STATUS_FAIL_MGMNT_ABORT = 0x85,
1660 TX_STATUS_FAIL_NEXT_FRAG = 0x86,
1661 TX_STATUS_FAIL_LIFE_EXPIRE = 0x87,
1662 TX_STATUS_FAIL_DEST_PS = 0x88,
1663 TX_STATUS_FAIL_ABORTED = 0x89,
1664 TX_STATUS_FAIL_BT_RETRY = 0x8a,
1665 TX_STATUS_FAIL_STA_INVALID = 0x8b,
1666 TX_STATUS_FAIL_FRAG_DROPPED = 0x8c,
1667 TX_STATUS_FAIL_TID_DISABLE = 0x8d,
1668 TX_STATUS_FAIL_FRAME_FLUSHED = 0x8e,
1669 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL = 0x8f,
1670 TX_STATUS_FAIL_TX_LOCKED = 0x90,
1671 TX_STATUS_FAIL_NO_BEACON_ON_RADAR = 0x91,
1674 #define TX_PACKET_MODE_REGULAR 0x0000
1675 #define TX_PACKET_MODE_BURST_SEQ 0x0100
1676 #define TX_PACKET_MODE_BURST_FIRST 0x0200
1679 TX_POWER_PA_NOT_ACTIVE = 0x0,
1683 TX_STATUS_MSK = 0x000000ff, /* bits 0:7 */
1684 TX_STATUS_DELAY_MSK = 0x00000040,
1685 TX_STATUS_ABORT_MSK = 0x00000080,
1686 TX_PACKET_MODE_MSK = 0x0000ff00, /* bits 8:15 */
1687 TX_FIFO_NUMBER_MSK = 0x00070000, /* bits 16:18 */
1688 TX_RESERVED = 0x00780000, /* bits 19:22 */
1689 TX_POWER_PA_DETECT_MSK = 0x7f800000, /* bits 23:30 */
1690 TX_ABORT_REQUIRED_MSK = 0x80000000, /* bits 31:31 */
1693 static inline bool iwl_is_tx_success(u32 status)
1695 status &= TX_STATUS_MSK;
1696 return (status == TX_STATUS_SUCCESS) ||
1697 (status == TX_STATUS_DIRECT_DONE);
1702 /* *******************************
1703 * TX aggregation status
1704 ******************************* */
1707 AGG_TX_STATE_TRANSMITTED = 0x00,
1708 AGG_TX_STATE_UNDERRUN_MSK = 0x01,
1709 AGG_TX_STATE_BT_PRIO_MSK = 0x02,
1710 AGG_TX_STATE_FEW_BYTES_MSK = 0x04,
1711 AGG_TX_STATE_ABORT_MSK = 0x08,
1712 AGG_TX_STATE_LAST_SENT_TTL_MSK = 0x10,
1713 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK = 0x20,
1714 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK = 0x40,
1715 AGG_TX_STATE_SCD_QUERY_MSK = 0x80,
1716 AGG_TX_STATE_TEST_BAD_CRC32_MSK = 0x100,
1717 AGG_TX_STATE_RESPONSE_MSK = 0x1ff,
1718 AGG_TX_STATE_DUMP_TX_MSK = 0x200,
1719 AGG_TX_STATE_DELAY_TX_MSK = 0x400
1722 #define AGG_TX_STATE_LAST_SENT_MSK (AGG_TX_STATE_LAST_SENT_TTL_MSK | \
1723 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK | \
1724 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK)
1726 /* # tx attempts for first frame in aggregation */
1727 #define AGG_TX_STATE_TRY_CNT_POS 12
1728 #define AGG_TX_STATE_TRY_CNT_MSK 0xf000
1730 /* Command ID and sequence number of Tx command for this frame */
1731 #define AGG_TX_STATE_SEQ_NUM_POS 16
1732 #define AGG_TX_STATE_SEQ_NUM_MSK 0xffff0000
1735 * REPLY_TX = 0x1c (response)
1737 * This response may be in one of two slightly different formats, indicated
1738 * by the frame_count field:
1740 * 1) No aggregation (frame_count == 1). This reports Tx results for
1741 * a single frame. Multiple attempts, at various bit rates, may have
1742 * been made for this frame.
1744 * 2) Aggregation (frame_count > 1). This reports Tx results for
1745 * 2 or more frames that used block-acknowledge. All frames were
1746 * transmitted at same rate. Rate scaling may have been used if first
1747 * frame in this new agg block failed in previous agg block(s).
1749 * Note that, for aggregation, ACK (block-ack) status is not delivered here;
1750 * block-ack has not been received by the time the 4965 records this status.
1751 * This status relates to reasons the tx might have been blocked or aborted
1752 * within the sending station (this 4965), rather than whether it was
1753 * received successfully by the destination station.
1755 struct agg_tx_status {
1758 } __attribute__ ((packed));
1760 struct iwl4965_tx_resp {
1761 u8 frame_count; /* 1 no aggregation, >1 aggregation */
1762 u8 bt_kill_count; /* # blocked by bluetooth (unused for agg) */
1763 u8 failure_rts; /* # failures due to unsuccessful RTS */
1764 u8 failure_frame; /* # failures due to no ACK (unused for agg) */
1766 /* For non-agg: Rate at which frame was successful.
1767 * For agg: Rate at which all frames were transmitted. */
1768 __le32 rate_n_flags; /* RATE_MCS_* */
1770 /* For non-agg: RTS + CTS + frame tx attempts time + ACK.
1771 * For agg: RTS + CTS + aggregation tx time + block-ack time. */
1772 __le16 wireless_media_time; /* uSecs */
1775 __le32 pa_power1; /* RF power amplifier measurement (not used) */
1779 * For non-agg: frame status TX_STATUS_*
1780 * For agg: status of 1st frame, AGG_TX_STATE_*; other frame status
1781 * fields follow this one, up to frame_count.
1783 * 11- 0: AGG_TX_STATE_* status code
1784 * 15-12: Retry count for 1st frame in aggregation (retries
1785 * occur if tx failed for this frame when it was a
1786 * member of a previous aggregation block). If rate
1787 * scaling is used, retry count indicates the rate
1788 * table entry used for all frames in the new agg.
1789 * 31-16: Sequence # for this frame's Tx cmd (not SSN!)
1793 struct agg_tx_status agg_status[0]; /* for each agg frame */
1795 } __attribute__ ((packed));
1798 * definitions for initial rate index field
1799 * bits [3:0] initial rate index
1800 * bits [6:4] rate table color, used for the initial rate
1801 * bit-7 invalid rate indication
1802 * i.e. rate was not chosen from rate table
1803 * or rate table color was changed during frame retries
1804 * refer tlc rate info
1807 #define IWL50_TX_RES_INIT_RATE_INDEX_POS 0
1808 #define IWL50_TX_RES_INIT_RATE_INDEX_MSK 0x0f
1809 #define IWL50_TX_RES_RATE_TABLE_COLOR_POS 4
1810 #define IWL50_TX_RES_RATE_TABLE_COLOR_MSK 0x70
1811 #define IWL50_TX_RES_INV_RATE_INDEX_MSK 0x80
1813 /* refer to ra_tid */
1814 #define IWL50_TX_RES_TID_POS 0
1815 #define IWL50_TX_RES_TID_MSK 0x0f
1816 #define IWL50_TX_RES_RA_POS 4
1817 #define IWL50_TX_RES_RA_MSK 0xf0
1819 struct iwl5000_tx_resp {
1820 u8 frame_count; /* 1 no aggregation, >1 aggregation */
1821 u8 bt_kill_count; /* # blocked by bluetooth (unused for agg) */
1822 u8 failure_rts; /* # failures due to unsuccessful RTS */
1823 u8 failure_frame; /* # failures due to no ACK (unused for agg) */
1825 /* For non-agg: Rate at which frame was successful.
1826 * For agg: Rate at which all frames were transmitted. */
1827 __le32 rate_n_flags; /* RATE_MCS_* */
1829 /* For non-agg: RTS + CTS + frame tx attempts time + ACK.
1830 * For agg: RTS + CTS + aggregation tx time + block-ack time. */
1831 __le16 wireless_media_time; /* uSecs */
1833 u8 pa_status; /* RF power amplifier measurement (not used) */
1834 u8 pa_integ_res_a[3];
1835 u8 pa_integ_res_b[3];
1836 u8 pa_integ_res_C[3];
1842 u8 ra_tid; /* tid (0:3), sta_id (4:7) */
1845 * For non-agg: frame status TX_STATUS_*
1846 * For agg: status of 1st frame, AGG_TX_STATE_*; other frame status
1847 * fields follow this one, up to frame_count.
1849 * 11- 0: AGG_TX_STATE_* status code
1850 * 15-12: Retry count for 1st frame in aggregation (retries
1851 * occur if tx failed for this frame when it was a
1852 * member of a previous aggregation block). If rate
1853 * scaling is used, retry count indicates the rate
1854 * table entry used for all frames in the new agg.
1855 * 31-16: Sequence # for this frame's Tx cmd (not SSN!)
1857 struct agg_tx_status status; /* TX status (in aggregation -
1858 * status of 1st frame) */
1859 } __attribute__ ((packed));
1861 * REPLY_COMPRESSED_BA = 0xc5 (response only, not a command)
1863 * Reports Block-Acknowledge from recipient station
1865 struct iwl_compressed_ba_resp {
1866 __le32 sta_addr_lo32;
1867 __le16 sta_addr_hi16;
1870 /* Index of recipient (BA-sending) station in uCode's station table */
1877 } __attribute__ ((packed));
1880 * REPLY_TX_PWR_TABLE_CMD = 0x97 (command, has simple generic response)
1882 * See details under "TXPOWER" in iwl-4965-hw.h.
1885 struct iwl3945_txpowertable_cmd {
1886 u8 band; /* 0: 5 GHz, 1: 2.4 GHz */
1889 struct iwl3945_power_per_rate power[IWL_MAX_RATES];
1890 } __attribute__ ((packed));
1892 struct iwl4965_txpowertable_cmd {
1893 u8 band; /* 0: 5 GHz, 1: 2.4 GHz */
1896 struct iwl4965_tx_power_db tx_power;
1897 } __attribute__ ((packed));
1901 * struct iwl3945_rate_scaling_cmd - Rate Scaling Command & Response
1903 * REPLY_RATE_SCALE = 0x47 (command, has simple generic response)
1905 * NOTE: The table of rates passed to the uCode via the
1906 * RATE_SCALE command sets up the corresponding order of
1907 * rates used for all related commands, including rate
1910 * For example, if you set 9MB (PLCP 0x0f) as the first
1911 * rate in the rate table, the bit mask for that rate
1912 * when passed through ofdm_basic_rates on the REPLY_RXON
1913 * command would be bit 0 (1 << 0)
1915 struct iwl3945_rate_scaling_info {
1916 __le16 rate_n_flags;
1919 } __attribute__ ((packed));
1921 struct iwl3945_rate_scaling_cmd {
1924 struct iwl3945_rate_scaling_info table[IWL_MAX_RATES];
1925 } __attribute__ ((packed));
1928 /*RS_NEW_API: only TLC_RTS remains and moved to bit 0 */
1929 #define LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK (1 << 0)
1931 /* # of EDCA prioritized tx fifos */
1932 #define LINK_QUAL_AC_NUM AC_NUM
1934 /* # entries in rate scale table to support Tx retries */
1935 #define LINK_QUAL_MAX_RETRY_NUM 16
1937 /* Tx antenna selection values */
1938 #define LINK_QUAL_ANT_A_MSK (1 << 0)
1939 #define LINK_QUAL_ANT_B_MSK (1 << 1)
1940 #define LINK_QUAL_ANT_MSK (LINK_QUAL_ANT_A_MSK|LINK_QUAL_ANT_B_MSK)
1944 * struct iwl_link_qual_general_params
1946 * Used in REPLY_TX_LINK_QUALITY_CMD
1948 struct iwl_link_qual_general_params {
1951 /* No entries at or above this (driver chosen) index contain MIMO */
1954 /* Best single antenna to use for single stream (legacy, SISO). */
1955 u8 single_stream_ant_msk; /* LINK_QUAL_ANT_* */
1957 /* Best antennas to use for MIMO (unused for 4965, assumes both). */
1958 u8 dual_stream_ant_msk; /* LINK_QUAL_ANT_* */
1961 * If driver needs to use different initial rates for different
1962 * EDCA QOS access categories (as implemented by tx fifos 0-3),
1963 * this table will set that up, by indicating the indexes in the
1964 * rs_table[LINK_QUAL_MAX_RETRY_NUM] rate table at which to start.
1965 * Otherwise, driver should set all entries to 0.
1968 * 0 = Background, 1 = Best Effort (normal), 2 = Video, 3 = Voice
1969 * TX FIFOs above 3 use same value (typically 0) as TX FIFO 3.
1971 u8 start_rate_index[LINK_QUAL_AC_NUM];
1972 } __attribute__ ((packed));
1974 #define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000) /* 4 milliseconds */
1975 #define LINK_QUAL_AGG_TIME_LIMIT_MAX (65535)
1976 #define LINK_QUAL_AGG_TIME_LIMIT_MIN (0)
1978 #define LINK_QUAL_AGG_DISABLE_START_DEF (3)
1979 #define LINK_QUAL_AGG_DISABLE_START_MAX (255)
1980 #define LINK_QUAL_AGG_DISABLE_START_MIN (0)
1982 #define LINK_QUAL_AGG_FRAME_LIMIT_DEF (31)
1983 #define LINK_QUAL_AGG_FRAME_LIMIT_MAX (63)
1984 #define LINK_QUAL_AGG_FRAME_LIMIT_MIN (0)
1987 * struct iwl_link_qual_agg_params
1989 * Used in REPLY_TX_LINK_QUALITY_CMD
1991 struct iwl_link_qual_agg_params {
1993 /* Maximum number of uSec in aggregation.
1994 * Driver should set this to 4000 (4 milliseconds). */
1995 __le16 agg_time_limit;
1998 * Number of Tx retries allowed for a frame, before that frame will
1999 * no longer be considered for the start of an aggregation sequence
2000 * (scheduler will then try to tx it as single frame).
2001 * Driver should set this to 3.
2003 u8 agg_dis_start_th;
2006 * Maximum number of frames in aggregation.
2007 * 0 = no limit (default). 1 = no aggregation.
2008 * Other values = max # frames in aggregation.
2010 u8 agg_frame_cnt_limit;
2013 } __attribute__ ((packed));
2016 * REPLY_TX_LINK_QUALITY_CMD = 0x4e (command, has simple generic response)
2018 * For 4965 only; 3945 uses REPLY_RATE_SCALE.
2020 * Each station in the 4965's internal station table has its own table of 16
2021 * Tx rates and modulation modes (e.g. legacy/SISO/MIMO) for retrying Tx when
2022 * an ACK is not received. This command replaces the entire table for
2025 * NOTE: Station must already be in 4965's station table. Use REPLY_ADD_STA.
2027 * The rate scaling procedures described below work well. Of course, other
2028 * procedures are possible, and may work better for particular environments.
2031 * FILLING THE RATE TABLE
2033 * Given a particular initial rate and mode, as determined by the rate
2034 * scaling algorithm described below, the Linux driver uses the following
2035 * formula to fill the rs_table[LINK_QUAL_MAX_RETRY_NUM] rate table in the
2036 * Link Quality command:
2039 * 1) If using High-throughput (HT) (SISO or MIMO) initial rate:
2040 * a) Use this same initial rate for first 3 entries.
2041 * b) Find next lower available rate using same mode (SISO or MIMO),
2042 * use for next 3 entries. If no lower rate available, switch to
2043 * legacy mode (no HT40 channel, no MIMO, no short guard interval).
2044 * c) If using MIMO, set command's mimo_delimiter to number of entries
2045 * using MIMO (3 or 6).
2046 * d) After trying 2 HT rates, switch to legacy mode (no HT40 channel,
2047 * no MIMO, no short guard interval), at the next lower bit rate
2048 * (e.g. if second HT bit rate was 54, try 48 legacy), and follow
2049 * legacy procedure for remaining table entries.
2051 * 2) If using legacy initial rate:
2052 * a) Use the initial rate for only one entry.
2053 * b) For each following entry, reduce the rate to next lower available
2054 * rate, until reaching the lowest available rate.
2055 * c) When reducing rate, also switch antenna selection.
2056 * d) Once lowest available rate is reached, repeat this rate until
2057 * rate table is filled (16 entries), switching antenna each entry.
2060 * ACCUMULATING HISTORY
2062 * The rate scaling algorithm for 4965, as implemented in Linux driver, uses
2063 * two sets of frame Tx success history: One for the current/active modulation
2064 * mode, and one for a speculative/search mode that is being attempted. If the
2065 * speculative mode turns out to be more effective (i.e. actual transfer
2066 * rate is better), then the driver continues to use the speculative mode
2067 * as the new current active mode.
2069 * Each history set contains, separately for each possible rate, data for a
2070 * sliding window of the 62 most recent tx attempts at that rate. The data
2071 * includes a shifting bitmap of success(1)/failure(0), and sums of successful
2072 * and attempted frames, from which the driver can additionally calculate a
2073 * success ratio (success / attempted) and number of failures
2074 * (attempted - success), and control the size of the window (attempted).
2075 * The driver uses the bit map to remove successes from the success sum, as
2076 * the oldest tx attempts fall out of the window.
2078 * When the 4965 makes multiple tx attempts for a given frame, each attempt
2079 * might be at a different rate, and have different modulation characteristics
2080 * (e.g. antenna, fat channel, short guard interval), as set up in the rate
2081 * scaling table in the Link Quality command. The driver must determine
2082 * which rate table entry was used for each tx attempt, to determine which
2083 * rate-specific history to update, and record only those attempts that
2084 * match the modulation characteristics of the history set.
2086 * When using block-ack (aggregation), all frames are transmitted at the same
2087 * rate, since there is no per-attempt acknowledgment from the destination
2088 * station. The Tx response struct iwl_tx_resp indicates the Tx rate in
2089 * rate_n_flags field. After receiving a block-ack, the driver can update
2090 * history for the entire block all at once.
2093 * FINDING BEST STARTING RATE:
2095 * When working with a selected initial modulation mode (see below), the
2096 * driver attempts to find a best initial rate. The initial rate is the
2097 * first entry in the Link Quality command's rate table.
2099 * 1) Calculate actual throughput (success ratio * expected throughput, see
2100 * table below) for current initial rate. Do this only if enough frames
2101 * have been attempted to make the value meaningful: at least 6 failed
2102 * tx attempts, or at least 8 successes. If not enough, don't try rate
2105 * 2) Find available rates adjacent to current initial rate. Available means:
2106 * a) supported by hardware &&
2107 * b) supported by association &&
2108 * c) within any constraints selected by user
2110 * 3) Gather measured throughputs for adjacent rates. These might not have
2111 * enough history to calculate a throughput. That's okay, we might try
2112 * using one of them anyway!
2114 * 4) Try decreasing rate if, for current rate:
2115 * a) success ratio is < 15% ||
2116 * b) lower adjacent rate has better measured throughput ||
2117 * c) higher adjacent rate has worse throughput, and lower is unmeasured
2119 * As a sanity check, if decrease was determined above, leave rate
2121 * a) lower rate unavailable
2122 * b) success ratio at current rate > 85% (very good)
2123 * c) current measured throughput is better than expected throughput
2124 * of lower rate (under perfect 100% tx conditions, see table below)
2126 * 5) Try increasing rate if, for current rate:
2127 * a) success ratio is < 15% ||
2128 * b) both adjacent rates' throughputs are unmeasured (try it!) ||
2129 * b) higher adjacent rate has better measured throughput ||
2130 * c) lower adjacent rate has worse throughput, and higher is unmeasured
2132 * As a sanity check, if increase was determined above, leave rate
2134 * a) success ratio at current rate < 70%. This is not particularly
2135 * good performance; higher rate is sure to have poorer success.
2137 * 6) Re-evaluate the rate after each tx frame. If working with block-
2138 * acknowledge, history and statistics may be calculated for the entire
2139 * block (including prior history that fits within the history windows),
2140 * before re-evaluation.
2142 * FINDING BEST STARTING MODULATION MODE:
2144 * After working with a modulation mode for a "while" (and doing rate scaling),
2145 * the driver searches for a new initial mode in an attempt to improve
2146 * throughput. The "while" is measured by numbers of attempted frames:
2148 * For legacy mode, search for new mode after:
2149 * 480 successful frames, or 160 failed frames
2150 * For high-throughput modes (SISO or MIMO), search for new mode after:
2151 * 4500 successful frames, or 400 failed frames
2153 * Mode switch possibilities are (3 for each mode):
2156 * Change antenna, try SISO (if HT association), try MIMO (if HT association)
2158 * Change antenna, try MIMO, try shortened guard interval (SGI)
2160 * Try SISO antenna A, SISO antenna B, try shortened guard interval (SGI)
2162 * When trying a new mode, use the same bit rate as the old/current mode when
2163 * trying antenna switches and shortened guard interval. When switching to
2164 * SISO from MIMO or legacy, or to MIMO from SISO or legacy, use a rate
2165 * for which the expected throughput (under perfect conditions) is about the
2166 * same or slightly better than the actual measured throughput delivered by
2167 * the old/current mode.
2169 * Actual throughput can be estimated by multiplying the expected throughput
2170 * by the success ratio (successful / attempted tx frames). Frame size is
2171 * not considered in this calculation; it assumes that frame size will average
2172 * out to be fairly consistent over several samples. The following are
2173 * metric values for expected throughput assuming 100% success ratio.
2174 * Only G band has support for CCK rates:
2176 * RATE: 1 2 5 11 6 9 12 18 24 36 48 54 60
2178 * G: 7 13 35 58 40 57 72 98 121 154 177 186 186
2179 * A: 0 0 0 0 40 57 72 98 121 154 177 186 186
2180 * SISO 20MHz: 0 0 0 0 42 42 76 102 124 159 183 193 202
2181 * SGI SISO 20MHz: 0 0 0 0 46 46 82 110 132 168 192 202 211
2182 * MIMO 20MHz: 0 0 0 0 74 74 123 155 179 214 236 244 251
2183 * SGI MIMO 20MHz: 0 0 0 0 81 81 131 164 188 222 243 251 257
2184 * SISO 40MHz: 0 0 0 0 77 77 127 160 184 220 242 250 257
2185 * SGI SISO 40MHz: 0 0 0 0 83 83 135 169 193 229 250 257 264
2186 * MIMO 40MHz: 0 0 0 0 123 123 182 214 235 264 279 285 289
2187 * SGI MIMO 40MHz: 0 0 0 0 131 131 191 222 242 270 284 289 293
2189 * After the new mode has been tried for a short while (minimum of 6 failed
2190 * frames or 8 successful frames), compare success ratio and actual throughput
2191 * estimate of the new mode with the old. If either is better with the new
2192 * mode, continue to use the new mode.
2194 * Continue comparing modes until all 3 possibilities have been tried.
2195 * If moving from legacy to HT, try all 3 possibilities from the new HT
2196 * mode. After trying all 3, a best mode is found. Continue to use this mode
2197 * for the longer "while" described above (e.g. 480 successful frames for
2198 * legacy), and then repeat the search process.
2201 struct iwl_link_quality_cmd {
2203 /* Index of destination/recipient station in uCode's station table */
2206 __le16 control; /* not used */
2207 struct iwl_link_qual_general_params general_params;
2208 struct iwl_link_qual_agg_params agg_params;
2211 * Rate info; when using rate-scaling, Tx command's initial_rate_index
2212 * specifies 1st Tx rate attempted, via index into this table.
2213 * 4965 works its way through table when retrying Tx.
2216 __le32 rate_n_flags; /* RATE_MCS_*, IWL_RATE_* */
2217 } rs_table[LINK_QUAL_MAX_RETRY_NUM];
2219 } __attribute__ ((packed));
2221 #define BT_COEX_DISABLE (0x0)
2222 #define BT_COEX_MODE_2W (0x1)
2223 #define BT_COEX_MODE_3W (0x2)
2224 #define BT_COEX_MODE_4W (0x3)
2226 #define BT_LEAD_TIME_MIN (0x0)
2227 #define BT_LEAD_TIME_DEF (0x1E)
2228 #define BT_LEAD_TIME_MAX (0xFF)
2230 #define BT_MAX_KILL_MIN (0x1)
2231 #define BT_MAX_KILL_DEF (0x5)
2232 #define BT_MAX_KILL_MAX (0xFF)
2235 * REPLY_BT_CONFIG = 0x9b (command, has simple generic response)
2237 * 3945 and 4965 support hardware handshake with Bluetooth device on
2238 * same platform. Bluetooth device alerts wireless device when it will Tx;
2239 * wireless device can delay or kill its own Tx to accommodate.
2246 __le32 kill_ack_mask;
2247 __le32 kill_cts_mask;
2248 } __attribute__ ((packed));
2250 /******************************************************************************
2252 * Spectrum Management (802.11h) Commands, Responses, Notifications:
2254 *****************************************************************************/
2257 * Spectrum Management
2259 #define MEASUREMENT_FILTER_FLAG (RXON_FILTER_PROMISC_MSK | \
2260 RXON_FILTER_CTL2HOST_MSK | \
2261 RXON_FILTER_ACCEPT_GRP_MSK | \
2262 RXON_FILTER_DIS_DECRYPT_MSK | \
2263 RXON_FILTER_DIS_GRP_DECRYPT_MSK | \
2264 RXON_FILTER_ASSOC_MSK | \
2265 RXON_FILTER_BCON_AWARE_MSK)
2267 struct iwl_measure_channel {
2268 __le32 duration; /* measurement duration in extended beacon
2270 u8 channel; /* channel to measure */
2271 u8 type; /* see enum iwl_measure_type */
2273 } __attribute__ ((packed));
2276 * REPLY_SPECTRUM_MEASUREMENT_CMD = 0x74 (command)
2278 struct iwl_spectrum_cmd {
2279 __le16 len; /* number of bytes starting from token */
2280 u8 token; /* token id */
2281 u8 id; /* measurement id -- 0 or 1 */
2282 u8 origin; /* 0 = TGh, 1 = other, 2 = TGk */
2283 u8 periodic; /* 1 = periodic */
2284 __le16 path_loss_timeout;
2285 __le32 start_time; /* start time in extended beacon format */
2287 __le32 flags; /* rxon flags */
2288 __le32 filter_flags; /* rxon filter flags */
2289 __le16 channel_count; /* minimum 1, maximum 10 */
2291 struct iwl_measure_channel channels[10];
2292 } __attribute__ ((packed));
2295 * REPLY_SPECTRUM_MEASUREMENT_CMD = 0x74 (response)
2297 struct iwl_spectrum_resp {
2299 u8 id; /* id of the prior command replaced, or 0xff */
2300 __le16 status; /* 0 - command will be handled
2301 * 1 - cannot handle (conflicts with another
2303 } __attribute__ ((packed));
2305 enum iwl_measurement_state {
2306 IWL_MEASUREMENT_START = 0,
2307 IWL_MEASUREMENT_STOP = 1,
2310 enum iwl_measurement_status {
2311 IWL_MEASUREMENT_OK = 0,
2312 IWL_MEASUREMENT_CONCURRENT = 1,
2313 IWL_MEASUREMENT_CSA_CONFLICT = 2,
2314 IWL_MEASUREMENT_TGH_CONFLICT = 3,
2316 IWL_MEASUREMENT_STOPPED = 6,
2317 IWL_MEASUREMENT_TIMEOUT = 7,
2318 IWL_MEASUREMENT_PERIODIC_FAILED = 8,
2321 #define NUM_ELEMENTS_IN_HISTOGRAM 8
2323 struct iwl_measurement_histogram {
2324 __le32 ofdm[NUM_ELEMENTS_IN_HISTOGRAM]; /* in 0.8usec counts */
2325 __le32 cck[NUM_ELEMENTS_IN_HISTOGRAM]; /* in 1usec counts */
2326 } __attribute__ ((packed));
2328 /* clear channel availability counters */
2329 struct iwl_measurement_cca_counters {
2332 } __attribute__ ((packed));
2334 enum iwl_measure_type {
2335 IWL_MEASURE_BASIC = (1 << 0),
2336 IWL_MEASURE_CHANNEL_LOAD = (1 << 1),
2337 IWL_MEASURE_HISTOGRAM_RPI = (1 << 2),
2338 IWL_MEASURE_HISTOGRAM_NOISE = (1 << 3),
2339 IWL_MEASURE_FRAME = (1 << 4),
2340 /* bits 5:6 are reserved */
2341 IWL_MEASURE_IDLE = (1 << 7),
2345 * SPECTRUM_MEASURE_NOTIFICATION = 0x75 (notification only, not a command)
2347 struct iwl_spectrum_notification {
2348 u8 id; /* measurement id -- 0 or 1 */
2350 u8 channel_index; /* index in measurement channel list */
2351 u8 state; /* 0 - start, 1 - stop */
2352 __le32 start_time; /* lower 32-bits of TSF */
2353 u8 band; /* 0 - 5.2GHz, 1 - 2.4GHz */
2355 u8 type; /* see enum iwl_measurement_type */
2357 /* NOTE: cca_ofdm, cca_cck, basic_type, and histogram are only only
2358 * valid if applicable for measurement type requested. */
2359 __le32 cca_ofdm; /* cca fraction time in 40Mhz clock periods */
2360 __le32 cca_cck; /* cca fraction time in 44Mhz clock periods */
2361 __le32 cca_time; /* channel load time in usecs */
2362 u8 basic_type; /* 0 - bss, 1 - ofdm preamble, 2 -
2365 struct iwl_measurement_histogram histogram;
2366 __le32 stop_time; /* lower 32-bits of TSF */
2367 __le32 status; /* see iwl_measurement_status */
2368 } __attribute__ ((packed));
2370 /******************************************************************************
2372 * Power Management Commands, Responses, Notifications:
2374 *****************************************************************************/
2377 * struct iwl_powertable_cmd - Power Table Command
2378 * @flags: See below:
2380 * POWER_TABLE_CMD = 0x77 (command, has simple generic response)
2383 * bit 0 - '0' Driver not allow power management
2384 * '1' Driver allow PM (use rest of parameters)
2386 * uCode send sleep notifications:
2387 * bit 1 - '0' Don't send sleep notification
2388 * '1' send sleep notification (SEND_PM_NOTIFICATION)
2391 * bit 2 - '0' PM have to walk up every DTIM
2392 * '1' PM could sleep over DTIM till listen Interval.
2395 * bit 3 - '0' (PCI_CFG_LINK_CTRL & 0x1)
2396 * '1' !(PCI_CFG_LINK_CTRL & 0x1)
2399 * bit 4 - '1' Put radio to sleep when receiving frame for others
2402 * bit 31/30- '00' use both mac/xtal sleeps
2403 * '01' force Mac sleep
2404 * '10' force xtal sleep
2407 * NOTE: if sleep_interval[SLEEP_INTRVL_TABLE_SIZE-1] > DTIM period then
2408 * ucode assume sleep over DTIM is allowed and we don't need to wake up
2411 #define IWL_POWER_VEC_SIZE 5
2413 #define IWL_POWER_DRIVER_ALLOW_SLEEP_MSK cpu_to_le16(BIT(0))
2414 #define IWL_POWER_SLEEP_OVER_DTIM_MSK cpu_to_le16(BIT(2))
2415 #define IWL_POWER_PCI_PM_MSK cpu_to_le16(BIT(3))
2416 #define IWL_POWER_FAST_PD cpu_to_le16(BIT(4))
2418 struct iwl3945_powertable_cmd {
2421 __le32 rx_data_timeout;
2422 __le32 tx_data_timeout;
2423 __le32 sleep_interval[IWL_POWER_VEC_SIZE];
2424 } __attribute__ ((packed));
2426 struct iwl_powertable_cmd {
2428 u8 keep_alive_seconds; /* 3945 reserved */
2429 u8 debug_flags; /* 3945 reserved */
2430 __le32 rx_data_timeout;
2431 __le32 tx_data_timeout;
2432 __le32 sleep_interval[IWL_POWER_VEC_SIZE];
2433 __le32 keep_alive_beacons;
2434 } __attribute__ ((packed));
2437 * PM_SLEEP_NOTIFICATION = 0x7A (notification only, not a command)
2438 * 3945 and 4965 identical.
2440 struct iwl_sleep_notification {
2447 } __attribute__ ((packed));
2449 /* Sleep states. 3945 and 4965 identical. */
2451 IWL_PM_NO_SLEEP = 0,
2453 IWL_PM_SLP_FULL_MAC_UNASSOCIATE = 2,
2454 IWL_PM_SLP_FULL_MAC_CARD_STATE = 3,
2456 IWL_PM_SLP_REPENT = 5,
2457 IWL_PM_WAKEUP_BY_TIMER = 6,
2458 IWL_PM_WAKEUP_BY_DRIVER = 7,
2459 IWL_PM_WAKEUP_BY_RFKILL = 8,
2461 IWL_PM_NUM_OF_MODES = 12,
2465 * REPLY_CARD_STATE_CMD = 0xa0 (command, has simple generic response)
2467 #define CARD_STATE_CMD_DISABLE 0x00 /* Put card to sleep */
2468 #define CARD_STATE_CMD_ENABLE 0x01 /* Wake up card */
2469 #define CARD_STATE_CMD_HALT 0x02 /* Power down permanently */
2470 struct iwl_card_state_cmd {
2471 __le32 status; /* CARD_STATE_CMD_* request new power state */
2472 } __attribute__ ((packed));
2475 * CARD_STATE_NOTIFICATION = 0xa1 (notification only, not a command)
2477 struct iwl_card_state_notif {
2479 } __attribute__ ((packed));
2481 #define HW_CARD_DISABLED 0x01
2482 #define SW_CARD_DISABLED 0x02
2483 #define RF_CARD_DISABLED 0x04
2484 #define RXON_CARD_DISABLED 0x10
2486 struct iwl_ct_kill_config {
2488 __le32 critical_temperature_M;
2489 __le32 critical_temperature_R;
2490 } __attribute__ ((packed));
2492 /* 1000, and 6x00 */
2493 struct iwl_ct_kill_throttling_config {
2494 __le32 critical_temperature_exit;
2496 __le32 critical_temperature_enter;
2497 } __attribute__ ((packed));
2499 /******************************************************************************
2501 * Scan Commands, Responses, Notifications:
2503 *****************************************************************************/
2505 #define SCAN_CHANNEL_TYPE_PASSIVE cpu_to_le32(0)
2506 #define SCAN_CHANNEL_TYPE_ACTIVE cpu_to_le32(1)
2509 * struct iwl_scan_channel - entry in REPLY_SCAN_CMD channel table
2511 * One for each channel in the scan list.
2512 * Each channel can independently select:
2513 * 1) SSID for directed active scans
2514 * 2) Txpower setting (for rate specified within Tx command)
2515 * 3) How long to stay on-channel (behavior may be modified by quiet_time,
2516 * quiet_plcp_th, good_CRC_th)
2518 * To avoid uCode errors, make sure the following are true (see comments
2519 * under struct iwl_scan_cmd about max_out_time and quiet_time):
2520 * 1) If using passive_dwell (i.e. passive_dwell != 0):
2521 * active_dwell <= passive_dwell (< max_out_time if max_out_time != 0)
2522 * 2) quiet_time <= active_dwell
2523 * 3) If restricting off-channel time (i.e. max_out_time !=0):
2524 * passive_dwell < max_out_time
2525 * active_dwell < max_out_time
2528 /* FIXME: rename to AP1, remove tpc */
2529 struct iwl3945_scan_channel {
2531 * type is defined as:
2532 * 0:0 1 = active, 0 = passive
2533 * 1:4 SSID direct bit map; if a bit is set, then corresponding
2534 * SSID IE is transmitted in probe request.
2538 u8 channel; /* band is selected by iwl3945_scan_cmd "flags" field */
2539 struct iwl3945_tx_power tpc;
2540 __le16 active_dwell; /* in 1024-uSec TU (time units), typ 5-50 */
2541 __le16 passive_dwell; /* in 1024-uSec TU (time units), typ 20-500 */
2542 } __attribute__ ((packed));
2544 /* set number of direct probes u8 type */
2545 #define IWL39_SCAN_PROBE_MASK(n) ((BIT(n) | (BIT(n) - BIT(1))))
2547 struct iwl_scan_channel {
2549 * type is defined as:
2550 * 0:0 1 = active, 0 = passive
2551 * 1:20 SSID direct bit map; if a bit is set, then corresponding
2552 * SSID IE is transmitted in probe request.
2556 __le16 channel; /* band is selected by iwl_scan_cmd "flags" field */
2557 u8 tx_gain; /* gain for analog radio */
2558 u8 dsp_atten; /* gain for DSP */
2559 __le16 active_dwell; /* in 1024-uSec TU (time units), typ 5-50 */
2560 __le16 passive_dwell; /* in 1024-uSec TU (time units), typ 20-500 */
2561 } __attribute__ ((packed));
2563 /* set number of direct probes __le32 type */
2564 #define IWL_SCAN_PROBE_MASK(n) cpu_to_le32((BIT(n) | (BIT(n) - BIT(1))))
2567 * struct iwl_ssid_ie - directed scan network information element
2569 * Up to 20 of these may appear in REPLY_SCAN_CMD (Note: Only 4 are in
2570 * 3945 SCAN api), selected by "type" bit field in struct iwl_scan_channel;
2571 * each channel may select different ssids from among the 20 (4) entries.
2572 * SSID IEs get transmitted in reverse order of entry.
2574 struct iwl_ssid_ie {
2578 } __attribute__ ((packed));
2580 #define PROBE_OPTION_MAX_3945 4
2581 #define PROBE_OPTION_MAX 20
2582 #define TX_CMD_LIFE_TIME_INFINITE cpu_to_le32(0xFFFFFFFF)
2583 #define IWL_GOOD_CRC_TH cpu_to_le16(1)
2584 #define IWL_MAX_SCAN_SIZE 1024
2585 #define IWL_MAX_PROBE_REQUEST 200
2588 * REPLY_SCAN_CMD = 0x80 (command)
2590 * The hardware scan command is very powerful; the driver can set it up to
2591 * maintain (relatively) normal network traffic while doing a scan in the
2592 * background. The max_out_time and suspend_time control the ratio of how
2593 * long the device stays on an associated network channel ("service channel")
2594 * vs. how long it's away from the service channel, i.e. tuned to other channels
2597 * max_out_time is the max time off-channel (in usec), and suspend_time
2598 * is how long (in "extended beacon" format) that the scan is "suspended"
2599 * after returning to the service channel. That is, suspend_time is the
2600 * time that we stay on the service channel, doing normal work, between
2601 * scan segments. The driver may set these parameters differently to support
2602 * scanning when associated vs. not associated, and light vs. heavy traffic
2603 * loads when associated.
2605 * After receiving this command, the device's scan engine does the following;
2607 * 1) Sends SCAN_START notification to driver
2608 * 2) Checks to see if it has time to do scan for one channel
2609 * 3) Sends NULL packet, with power-save (PS) bit set to 1,
2610 * to tell AP that we're going off-channel
2611 * 4) Tunes to first channel in scan list, does active or passive scan
2612 * 5) Sends SCAN_RESULT notification to driver
2613 * 6) Checks to see if it has time to do scan on *next* channel in list
2614 * 7) Repeats 4-6 until it no longer has time to scan the next channel
2615 * before max_out_time expires
2616 * 8) Returns to service channel
2617 * 9) Sends NULL packet with PS=0 to tell AP that we're back
2618 * 10) Stays on service channel until suspend_time expires
2619 * 11) Repeats entire process 2-10 until list is complete
2620 * 12) Sends SCAN_COMPLETE notification
2622 * For fast, efficient scans, the scan command also has support for staying on
2623 * a channel for just a short time, if doing active scanning and getting no
2624 * responses to the transmitted probe request. This time is controlled by
2625 * quiet_time, and the number of received packets below which a channel is
2626 * considered "quiet" is controlled by quiet_plcp_threshold.
2628 * For active scanning on channels that have regulatory restrictions against
2629 * blindly transmitting, the scan can listen before transmitting, to make sure
2630 * that there is already legitimate activity on the channel. If enough
2631 * packets are cleanly received on the channel (controlled by good_CRC_th,
2632 * typical value 1), the scan engine starts transmitting probe requests.
2634 * Driver must use separate scan commands for 2.4 vs. 5 GHz bands.
2636 * To avoid uCode errors, see timing restrictions described under
2637 * struct iwl_scan_channel.
2640 struct iwl3945_scan_cmd {
2643 u8 channel_count; /* # channels in channel list */
2644 __le16 quiet_time; /* dwell only this # millisecs on quiet channel
2645 * (only for active scan) */
2646 __le16 quiet_plcp_th; /* quiet chnl is < this # pkts (typ. 1) */
2647 __le16 good_CRC_th; /* passive -> active promotion threshold */
2649 __le32 max_out_time; /* max usec to be away from associated (service)
2651 __le32 suspend_time; /* pause scan this long (in "extended beacon
2652 * format") when returning to service channel:
2653 * 3945; 31:24 # beacons, 19:0 additional usec,
2654 * 4965; 31:22 # beacons, 21:0 additional usec.
2656 __le32 flags; /* RXON_FLG_* */
2657 __le32 filter_flags; /* RXON_FILTER_* */
2659 /* For active scans (set to all-0s for passive scans).
2660 * Does not include payload. Must specify Tx rate; no rate scaling. */
2661 struct iwl3945_tx_cmd tx_cmd;
2663 /* For directed active scans (set to all-0s otherwise) */
2664 struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX_3945];
2667 * Probe request frame, followed by channel list.
2669 * Size of probe request frame is specified by byte count in tx_cmd.
2670 * Channel list follows immediately after probe request frame.
2671 * Number of channels in list is specified by channel_count.
2672 * Each channel in list is of type:
2674 * struct iwl3945_scan_channel channels[0];
2676 * NOTE: Only one band of channels can be scanned per pass. You
2677 * must not mix 2.4GHz channels and 5.2GHz channels, and you must wait
2678 * for one scan to complete (i.e. receive SCAN_COMPLETE_NOTIFICATION)
2679 * before requesting another scan.
2682 } __attribute__ ((packed));
2684 struct iwl_scan_cmd {
2687 u8 channel_count; /* # channels in channel list */
2688 __le16 quiet_time; /* dwell only this # millisecs on quiet channel
2689 * (only for active scan) */
2690 __le16 quiet_plcp_th; /* quiet chnl is < this # pkts (typ. 1) */
2691 __le16 good_CRC_th; /* passive -> active promotion threshold */
2692 __le16 rx_chain; /* RXON_RX_CHAIN_* */
2693 __le32 max_out_time; /* max usec to be away from associated (service)
2695 __le32 suspend_time; /* pause scan this long (in "extended beacon
2696 * format") when returning to service chnl:
2697 * 3945; 31:24 # beacons, 19:0 additional usec,
2698 * 4965; 31:22 # beacons, 21:0 additional usec.
2700 __le32 flags; /* RXON_FLG_* */
2701 __le32 filter_flags; /* RXON_FILTER_* */
2703 /* For active scans (set to all-0s for passive scans).
2704 * Does not include payload. Must specify Tx rate; no rate scaling. */
2705 struct iwl_tx_cmd tx_cmd;
2707 /* For directed active scans (set to all-0s otherwise) */
2708 struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
2711 * Probe request frame, followed by channel list.
2713 * Size of probe request frame is specified by byte count in tx_cmd.
2714 * Channel list follows immediately after probe request frame.
2715 * Number of channels in list is specified by channel_count.
2716 * Each channel in list is of type:
2718 * struct iwl_scan_channel channels[0];
2720 * NOTE: Only one band of channels can be scanned per pass. You
2721 * must not mix 2.4GHz channels and 5.2GHz channels, and you must wait
2722 * for one scan to complete (i.e. receive SCAN_COMPLETE_NOTIFICATION)
2723 * before requesting another scan.
2726 } __attribute__ ((packed));
2728 /* Can abort will notify by complete notification with abort status. */
2729 #define CAN_ABORT_STATUS cpu_to_le32(0x1)
2730 /* complete notification statuses */
2731 #define ABORT_STATUS 0x2
2734 * REPLY_SCAN_CMD = 0x80 (response)
2736 struct iwl_scanreq_notification {
2737 __le32 status; /* 1: okay, 2: cannot fulfill request */
2738 } __attribute__ ((packed));
2741 * SCAN_START_NOTIFICATION = 0x82 (notification only, not a command)
2743 struct iwl_scanstart_notification {
2746 __le32 beacon_timer;
2751 } __attribute__ ((packed));
2753 #define SCAN_OWNER_STATUS 0x1;
2754 #define MEASURE_OWNER_STATUS 0x2;
2756 #define NUMBER_OF_STATISTICS 1 /* first __le32 is good CRC */
2758 * SCAN_RESULTS_NOTIFICATION = 0x83 (notification only, not a command)
2760 struct iwl_scanresults_notification {
2766 __le32 statistics[NUMBER_OF_STATISTICS];
2767 } __attribute__ ((packed));
2770 * SCAN_COMPLETE_NOTIFICATION = 0x84 (notification only, not a command)
2772 struct iwl_scancomplete_notification {
2773 u8 scanned_channels;
2779 } __attribute__ ((packed));
2782 /******************************************************************************
2784 * IBSS/AP Commands and Notifications:
2786 *****************************************************************************/
2789 * BEACON_NOTIFICATION = 0x90 (notification only, not a command)
2792 struct iwl3945_beacon_notif {
2793 struct iwl3945_tx_resp beacon_notify_hdr;
2796 __le32 ibss_mgr_status;
2797 } __attribute__ ((packed));
2799 struct iwl4965_beacon_notif {
2800 struct iwl4965_tx_resp beacon_notify_hdr;
2803 __le32 ibss_mgr_status;
2804 } __attribute__ ((packed));
2807 * REPLY_TX_BEACON = 0x91 (command, has simple generic response)
2810 struct iwl3945_tx_beacon_cmd {
2811 struct iwl3945_tx_cmd tx;
2815 struct ieee80211_hdr frame[0]; /* beacon frame */
2816 } __attribute__ ((packed));
2818 struct iwl_tx_beacon_cmd {
2819 struct iwl_tx_cmd tx;
2823 struct ieee80211_hdr frame[0]; /* beacon frame */
2824 } __attribute__ ((packed));
2826 /******************************************************************************
2828 * Statistics Commands and Notifications:
2830 *****************************************************************************/
2832 #define IWL_TEMP_CONVERT 260
2834 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
2835 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
2836 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
2838 /* Used for passing to driver number of successes and failures per rate */
2839 struct rate_histogram {
2841 __le32 a[SUP_RATE_11A_MAX_NUM_CHANNELS];
2842 __le32 b[SUP_RATE_11B_MAX_NUM_CHANNELS];
2843 __le32 g[SUP_RATE_11G_MAX_NUM_CHANNELS];
2846 __le32 a[SUP_RATE_11A_MAX_NUM_CHANNELS];
2847 __le32 b[SUP_RATE_11B_MAX_NUM_CHANNELS];
2848 __le32 g[SUP_RATE_11G_MAX_NUM_CHANNELS];
2850 } __attribute__ ((packed));
2852 /* statistics command response */
2854 struct iwl39_statistics_rx_phy {
2860 __le32 early_overrun_err;
2862 __le32 false_alarm_cnt;
2863 __le32 fina_sync_err_cnt;
2865 __le32 fina_timeout;
2866 __le32 unresponded_rts;
2867 __le32 rxe_frame_limit_overrun;
2868 __le32 sent_ack_cnt;
2869 __le32 sent_cts_cnt;
2870 } __attribute__ ((packed));
2872 struct iwl39_statistics_rx_non_phy {
2873 __le32 bogus_cts; /* CTS received when not expecting CTS */
2874 __le32 bogus_ack; /* ACK received when not expecting ACK */
2875 __le32 non_bssid_frames; /* number of frames with BSSID that
2876 * doesn't belong to the STA BSSID */
2877 __le32 filtered_frames; /* count frames that were dumped in the
2878 * filtering process */
2879 __le32 non_channel_beacons; /* beacons with our bss id but not on
2880 * our serving channel */
2881 } __attribute__ ((packed));
2883 struct iwl39_statistics_rx {
2884 struct iwl39_statistics_rx_phy ofdm;
2885 struct iwl39_statistics_rx_phy cck;
2886 struct iwl39_statistics_rx_non_phy general;
2887 } __attribute__ ((packed));
2889 struct iwl39_statistics_tx {
2890 __le32 preamble_cnt;
2891 __le32 rx_detected_cnt;
2892 __le32 bt_prio_defer_cnt;
2893 __le32 bt_prio_kill_cnt;
2894 __le32 few_bytes_cnt;
2897 __le32 expected_ack_cnt;
2898 __le32 actual_ack_cnt;
2899 } __attribute__ ((packed));
2901 struct statistics_dbg {
2905 } __attribute__ ((packed));
2907 struct iwl39_statistics_div {
2912 } __attribute__ ((packed));
2914 struct iwl39_statistics_general {
2916 struct statistics_dbg dbg;
2920 __le32 ttl_timestamp;
2921 struct iwl39_statistics_div div;
2922 } __attribute__ ((packed));
2924 struct statistics_rx_phy {
2930 __le32 early_overrun_err;
2932 __le32 false_alarm_cnt;
2933 __le32 fina_sync_err_cnt;
2935 __le32 fina_timeout;
2936 __le32 unresponded_rts;
2937 __le32 rxe_frame_limit_overrun;
2938 __le32 sent_ack_cnt;
2939 __le32 sent_cts_cnt;
2940 __le32 sent_ba_rsp_cnt;
2941 __le32 dsp_self_kill;
2942 __le32 mh_format_err;
2943 __le32 re_acq_main_rssi_sum;
2945 } __attribute__ ((packed));
2947 struct statistics_rx_ht_phy {
2950 __le32 early_overrun_err;
2953 __le32 mh_format_err;
2954 __le32 agg_crc32_good;
2955 __le32 agg_mpdu_cnt;
2958 } __attribute__ ((packed));
2960 #define INTERFERENCE_DATA_AVAILABLE cpu_to_le32(1)
2962 struct statistics_rx_non_phy {
2963 __le32 bogus_cts; /* CTS received when not expecting CTS */
2964 __le32 bogus_ack; /* ACK received when not expecting ACK */
2965 __le32 non_bssid_frames; /* number of frames with BSSID that
2966 * doesn't belong to the STA BSSID */
2967 __le32 filtered_frames; /* count frames that were dumped in the
2968 * filtering process */
2969 __le32 non_channel_beacons; /* beacons with our bss id but not on
2970 * our serving channel */
2971 __le32 channel_beacons; /* beacons with our bss id and in our
2972 * serving channel */
2973 __le32 num_missed_bcon; /* number of missed beacons */
2974 __le32 adc_rx_saturation_time; /* count in 0.8us units the time the
2975 * ADC was in saturation */
2976 __le32 ina_detection_search_time;/* total time (in 0.8us) searched
2978 __le32 beacon_silence_rssi_a; /* RSSI silence after beacon frame */
2979 __le32 beacon_silence_rssi_b; /* RSSI silence after beacon frame */
2980 __le32 beacon_silence_rssi_c; /* RSSI silence after beacon frame */
2981 __le32 interference_data_flag; /* flag for interference data
2982 * availability. 1 when data is
2984 __le32 channel_load; /* counts RX Enable time in uSec */
2985 __le32 dsp_false_alarms; /* DSP false alarm (both OFDM
2986 * and CCK) counter */
2987 __le32 beacon_rssi_a;
2988 __le32 beacon_rssi_b;
2989 __le32 beacon_rssi_c;
2990 __le32 beacon_energy_a;
2991 __le32 beacon_energy_b;
2992 __le32 beacon_energy_c;
2993 } __attribute__ ((packed));
2995 struct statistics_rx {
2996 struct statistics_rx_phy ofdm;
2997 struct statistics_rx_phy cck;
2998 struct statistics_rx_non_phy general;
2999 struct statistics_rx_ht_phy ofdm_ht;
3000 } __attribute__ ((packed));
3003 * struct statistics_tx_power - current tx power
3005 * @ant_a: current tx power on chain a in 1/2 dB step
3006 * @ant_b: current tx power on chain b in 1/2 dB step
3007 * @ant_c: current tx power on chain c in 1/2 dB step
3009 struct statistics_tx_power {
3014 } __attribute__ ((packed));
3016 struct statistics_tx_non_phy_agg {
3018 __le32 ba_reschedule_frames;
3019 __le32 scd_query_agg_frame_cnt;
3020 __le32 scd_query_no_agg;
3021 __le32 scd_query_agg;
3022 __le32 scd_query_mismatch;
3023 __le32 frame_not_ready;
3025 __le32 bt_prio_kill;
3026 __le32 rx_ba_rsp_cnt;
3027 } __attribute__ ((packed));
3029 struct statistics_tx {
3030 __le32 preamble_cnt;
3031 __le32 rx_detected_cnt;
3032 __le32 bt_prio_defer_cnt;
3033 __le32 bt_prio_kill_cnt;
3034 __le32 few_bytes_cnt;
3037 __le32 expected_ack_cnt;
3038 __le32 actual_ack_cnt;
3039 __le32 dump_msdu_cnt;
3040 __le32 burst_abort_next_frame_mismatch_cnt;
3041 __le32 burst_abort_missing_next_frame_cnt;
3042 __le32 cts_timeout_collision;
3043 __le32 ack_or_ba_timeout_collision;
3044 struct statistics_tx_non_phy_agg agg;
3045 struct statistics_tx_power tx_power;
3047 } __attribute__ ((packed));
3050 struct statistics_div {
3057 } __attribute__ ((packed));
3059 struct statistics_general {
3061 __le32 temperature_m;
3062 struct statistics_dbg dbg;
3066 __le32 ttl_timestamp;
3067 struct statistics_div div;
3068 __le32 rx_enable_counter;
3072 } __attribute__ ((packed));
3075 * REPLY_STATISTICS_CMD = 0x9c,
3076 * 3945 and 4965 identical.
3078 * This command triggers an immediate response containing uCode statistics.
3079 * The response is in the same format as STATISTICS_NOTIFICATION 0x9d, below.
3081 * If the CLEAR_STATS configuration flag is set, uCode will clear its
3082 * internal copy of the statistics (counters) after issuing the response.
3083 * This flag does not affect STATISTICS_NOTIFICATIONs after beacons (see below).
3085 * If the DISABLE_NOTIF configuration flag is set, uCode will not issue
3086 * STATISTICS_NOTIFICATIONs after received beacons (see below). This flag
3087 * does not affect the response to the REPLY_STATISTICS_CMD 0x9c itself.
3089 #define IWL_STATS_CONF_CLEAR_STATS cpu_to_le32(0x1) /* see above */
3090 #define IWL_STATS_CONF_DISABLE_NOTIF cpu_to_le32(0x2)/* see above */
3091 struct iwl_statistics_cmd {
3092 __le32 configuration_flags; /* IWL_STATS_CONF_* */
3093 } __attribute__ ((packed));
3096 * STATISTICS_NOTIFICATION = 0x9d (notification only, not a command)
3098 * By default, uCode issues this notification after receiving a beacon
3099 * while associated. To disable this behavior, set DISABLE_NOTIF flag in the
3100 * REPLY_STATISTICS_CMD 0x9c, above.
3102 * Statistics counters continue to increment beacon after beacon, but are
3103 * cleared when changing channels or when driver issues REPLY_STATISTICS_CMD
3104 * 0x9c with CLEAR_STATS bit set (see above).
3106 * uCode also issues this notification during scans. uCode clears statistics
3107 * appropriately so that each notification contains statistics for only the
3108 * one channel that has just been scanned.
3110 #define STATISTICS_REPLY_FLG_BAND_24G_MSK cpu_to_le32(0x2)
3111 #define STATISTICS_REPLY_FLG_HT40_MODE_MSK cpu_to_le32(0x8)
3113 struct iwl3945_notif_statistics {
3115 struct iwl39_statistics_rx rx;
3116 struct iwl39_statistics_tx tx;
3117 struct iwl39_statistics_general general;
3118 } __attribute__ ((packed));
3120 struct iwl_notif_statistics {
3122 struct statistics_rx rx;
3123 struct statistics_tx tx;
3124 struct statistics_general general;
3125 } __attribute__ ((packed));
3129 * MISSED_BEACONS_NOTIFICATION = 0xa2 (notification only, not a command)
3131 /* if ucode missed CONSECUTIVE_MISSED_BCONS_TH beacons in a row,
3132 * then this notification will be sent. */
3133 #define CONSECUTIVE_MISSED_BCONS_TH 20
3135 struct iwl_missed_beacon_notif {
3136 __le32 consequtive_missed_beacons;
3137 __le32 total_missed_becons;
3138 __le32 num_expected_beacons;
3139 __le32 num_recvd_beacons;
3140 } __attribute__ ((packed));
3143 /******************************************************************************
3145 * Rx Calibration Commands:
3147 * With the uCode used for open source drivers, most Tx calibration (except
3148 * for Tx Power) and most Rx calibration is done by uCode during the
3149 * "initialize" phase of uCode boot. Driver must calibrate only:
3151 * 1) Tx power (depends on temperature), described elsewhere
3152 * 2) Receiver gain balance (optimize MIMO, and detect disconnected antennas)
3153 * 3) Receiver sensitivity (to optimize signal detection)
3155 *****************************************************************************/
3158 * SENSITIVITY_CMD = 0xa8 (command, has simple generic response)
3160 * This command sets up the Rx signal detector for a sensitivity level that
3161 * is high enough to lock onto all signals within the associated network,
3162 * but low enough to ignore signals that are below a certain threshold, so as
3163 * not to have too many "false alarms". False alarms are signals that the
3164 * Rx DSP tries to lock onto, but then discards after determining that they
3167 * The optimum number of false alarms is between 5 and 50 per 200 TUs
3168 * (200 * 1024 uSecs, i.e. 204.8 milliseconds) of actual Rx time (i.e.
3169 * time listening, not transmitting). Driver must adjust sensitivity so that
3170 * the ratio of actual false alarms to actual Rx time falls within this range.
3172 * While associated, uCode delivers STATISTICS_NOTIFICATIONs after each
3173 * received beacon. These provide information to the driver to analyze the
3174 * sensitivity. Don't analyze statistics that come in from scanning, or any
3175 * other non-associated-network source. Pertinent statistics include:
3177 * From "general" statistics (struct statistics_rx_non_phy):
3179 * (beacon_energy_[abc] & 0x0FF00) >> 8 (unsigned, higher value is lower level)
3180 * Measure of energy of desired signal. Used for establishing a level
3181 * below which the device does not detect signals.
3183 * (beacon_silence_rssi_[abc] & 0x0FF00) >> 8 (unsigned, units in dB)
3184 * Measure of background noise in silent period after beacon.
3187 * uSecs of actual Rx time during beacon period (varies according to
3188 * how much time was spent transmitting).
3190 * From "cck" and "ofdm" statistics (struct statistics_rx_phy), separately:
3193 * Signal locks abandoned early (before phy-level header).
3196 * Signal locks abandoned late (during phy-level header).
3198 * NOTE: Both false_alarm_cnt and plcp_err increment monotonically from
3199 * beacon to beacon, i.e. each value is an accumulation of all errors
3200 * before and including the latest beacon. Values will wrap around to 0
3201 * after counting up to 2^32 - 1. Driver must differentiate vs.
3202 * previous beacon's values to determine # false alarms in the current
3205 * Total number of false alarms = false_alarms + plcp_errs
3207 * For OFDM, adjust the following table entries in struct iwl_sensitivity_cmd
3208 * (notice that the start points for OFDM are at or close to settings for
3209 * maximum sensitivity):
3212 * HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX 90 / 85 / 120
3213 * HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX 170 / 170 / 210
3214 * HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX 105 / 105 / 140
3215 * HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX 220 / 220 / 270
3217 * If actual rate of OFDM false alarms (+ plcp_errors) is too high
3218 * (greater than 50 for each 204.8 msecs listening), reduce sensitivity
3219 * by *adding* 1 to all 4 of the table entries above, up to the max for
3220 * each entry. Conversely, if false alarm rate is too low (less than 5
3221 * for each 204.8 msecs listening), *subtract* 1 from each entry to
3222 * increase sensitivity.
3224 * For CCK sensitivity, keep track of the following:
3226 * 1). 20-beacon history of maximum background noise, indicated by
3227 * (beacon_silence_rssi_[abc] & 0x0FF00), units in dB, across the
3228 * 3 receivers. For any given beacon, the "silence reference" is
3229 * the maximum of last 60 samples (20 beacons * 3 receivers).
3231 * 2). 10-beacon history of strongest signal level, as indicated
3232 * by (beacon_energy_[abc] & 0x0FF00) >> 8, across the 3 receivers,
3233 * i.e. the strength of the signal through the best receiver at the
3234 * moment. These measurements are "upside down", with lower values
3235 * for stronger signals, so max energy will be *minimum* value.
3237 * Then for any given beacon, the driver must determine the *weakest*
3238 * of the strongest signals; this is the minimum level that needs to be
3239 * successfully detected, when using the best receiver at the moment.
3240 * "Max cck energy" is the maximum (higher value means lower energy!)
3241 * of the last 10 minima. Once this is determined, driver must add
3242 * a little margin by adding "6" to it.
3244 * 3). Number of consecutive beacon periods with too few false alarms.
3245 * Reset this to 0 at the first beacon period that falls within the
3246 * "good" range (5 to 50 false alarms per 204.8 milliseconds rx).
3248 * Then, adjust the following CCK table entries in struct iwl_sensitivity_cmd
3249 * (notice that the start points for CCK are at maximum sensitivity):
3252 * HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX 125 / 125 / 200
3253 * HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX 200 / 200 / 400
3254 * HD_MIN_ENERGY_CCK_DET_INDEX 100 / 0 / 100
3256 * If actual rate of CCK false alarms (+ plcp_errors) is too high
3257 * (greater than 50 for each 204.8 msecs listening), method for reducing
3260 * 1) *Add* 3 to value in HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX,
3263 * 2) If current value in HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX is < 160,
3264 * sensitivity has been reduced a significant amount; bring it up to
3265 * a moderate 161. Otherwise, *add* 3, up to max 200.
3267 * 3) a) If current value in HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX is > 160,
3268 * sensitivity has been reduced only a moderate or small amount;
3269 * *subtract* 2 from value in HD_MIN_ENERGY_CCK_DET_INDEX,
3270 * down to min 0. Otherwise (if gain has been significantly reduced),
3271 * don't change the HD_MIN_ENERGY_CCK_DET_INDEX value.
3273 * b) Save a snapshot of the "silence reference".
3275 * If actual rate of CCK false alarms (+ plcp_errors) is too low
3276 * (less than 5 for each 204.8 msecs listening), method for increasing
3277 * sensitivity is used only if:
3279 * 1a) Previous beacon did not have too many false alarms
3280 * 1b) AND difference between previous "silence reference" and current
3281 * "silence reference" (prev - current) is 2 or more,
3282 * OR 2) 100 or more consecutive beacon periods have had rate of
3283 * less than 5 false alarms per 204.8 milliseconds rx time.
3285 * Method for increasing sensitivity:
3287 * 1) *Subtract* 3 from value in HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX,
3290 * 2) *Subtract* 3 from value in HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX,
3293 * 3) *Add* 2 to value in HD_MIN_ENERGY_CCK_DET_INDEX, up to max 100.
3295 * If actual rate of CCK false alarms (+ plcp_errors) is within good range
3296 * (between 5 and 50 for each 204.8 msecs listening):
3298 * 1) Save a snapshot of the silence reference.
3300 * 2) If previous beacon had too many CCK false alarms (+ plcp_errors),
3301 * give some extra margin to energy threshold by *subtracting* 8
3302 * from value in HD_MIN_ENERGY_CCK_DET_INDEX.
3304 * For all cases (too few, too many, good range), make sure that the CCK
3305 * detection threshold (energy) is below the energy level for robust
3306 * detection over the past 10 beacon periods, the "Max cck energy".
3307 * Lower values mean higher energy; this means making sure that the value
3308 * in HD_MIN_ENERGY_CCK_DET_INDEX is at or *above* "Max cck energy".
3313 * Table entries in SENSITIVITY_CMD (struct iwl_sensitivity_cmd)
3315 #define HD_TABLE_SIZE (11) /* number of entries */
3316 #define HD_MIN_ENERGY_CCK_DET_INDEX (0) /* table indexes */
3317 #define HD_MIN_ENERGY_OFDM_DET_INDEX (1)
3318 #define HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX (2)
3319 #define HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX (3)
3320 #define HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX (4)
3321 #define HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX (5)
3322 #define HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX (6)
3323 #define HD_BARKER_CORR_TH_ADD_MIN_INDEX (7)
3324 #define HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX (8)
3325 #define HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX (9)
3326 #define HD_OFDM_ENERGY_TH_IN_INDEX (10)
3328 /* Control field in struct iwl_sensitivity_cmd */
3329 #define SENSITIVITY_CMD_CONTROL_DEFAULT_TABLE cpu_to_le16(0)
3330 #define SENSITIVITY_CMD_CONTROL_WORK_TABLE cpu_to_le16(1)
3333 * struct iwl_sensitivity_cmd
3334 * @control: (1) updates working table, (0) updates default table
3335 * @table: energy threshold values, use HD_* as index into table
3337 * Always use "1" in "control" to update uCode's working table and DSP.
3339 struct iwl_sensitivity_cmd {
3340 __le16 control; /* always use "1" */
3341 __le16 table[HD_TABLE_SIZE]; /* use HD_* as index */
3342 } __attribute__ ((packed));
3346 * REPLY_PHY_CALIBRATION_CMD = 0xb0 (command, has simple generic response)
3348 * This command sets the relative gains of 4965's 3 radio receiver chains.
3350 * After the first association, driver should accumulate signal and noise
3351 * statistics from the STATISTICS_NOTIFICATIONs that follow the first 20
3352 * beacons from the associated network (don't collect statistics that come
3353 * in from scanning, or any other non-network source).
3355 * DISCONNECTED ANTENNA:
3357 * Driver should determine which antennas are actually connected, by comparing
3358 * average beacon signal levels for the 3 Rx chains. Accumulate (add) the
3359 * following values over 20 beacons, one accumulator for each of the chains
3360 * a/b/c, from struct statistics_rx_non_phy:
3362 * beacon_rssi_[abc] & 0x0FF (unsigned, units in dB)
3364 * Find the strongest signal from among a/b/c. Compare the other two to the
3365 * strongest. If any signal is more than 15 dB (times 20, unless you
3366 * divide the accumulated values by 20) below the strongest, the driver
3367 * considers that antenna to be disconnected, and should not try to use that
3368 * antenna/chain for Rx or Tx. If both A and B seem to be disconnected,
3369 * driver should declare the stronger one as connected, and attempt to use it
3370 * (A and B are the only 2 Tx chains!).
3375 * Driver should balance the 3 receivers (but just the ones that are connected
3376 * to antennas, see above) for gain, by comparing the average signal levels
3377 * detected during the silence after each beacon (background noise).
3378 * Accumulate (add) the following values over 20 beacons, one accumulator for
3379 * each of the chains a/b/c, from struct statistics_rx_non_phy:
3381 * beacon_silence_rssi_[abc] & 0x0FF (unsigned, units in dB)
3383 * Find the weakest background noise level from among a/b/c. This Rx chain
3384 * will be the reference, with 0 gain adjustment. Attenuate other channels by
3385 * finding noise difference:
3387 * (accum_noise[i] - accum_noise[reference]) / 30
3389 * The "30" adjusts the dB in the 20 accumulated samples to units of 1.5 dB.
3390 * For use in diff_gain_[abc] fields of struct iwl_calibration_cmd, the
3391 * driver should limit the difference results to a range of 0-3 (0-4.5 dB),
3392 * and set bit 2 to indicate "reduce gain". The value for the reference
3393 * (weakest) chain should be "0".
3395 * diff_gain_[abc] bit fields:
3396 * 2: (1) reduce gain, (0) increase gain
3397 * 1-0: amount of gain, units of 1.5 dB
3400 /* Phy calibration command for series */
3403 IWL_PHY_CALIBRATE_DIFF_GAIN_CMD = 7,
3404 IWL_PHY_CALIBRATE_DC_CMD = 8,
3405 IWL_PHY_CALIBRATE_LO_CMD = 9,
3406 IWL_PHY_CALIBRATE_RX_BB_CMD = 10,
3407 IWL_PHY_CALIBRATE_TX_IQ_CMD = 11,
3408 IWL_PHY_CALIBRATE_RX_IQ_CMD = 12,
3409 IWL_PHY_CALIBRATION_NOISE_CMD = 13,
3410 IWL_PHY_CALIBRATE_AGC_TABLE_CMD = 14,
3411 IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD = 15,
3412 IWL_PHY_CALIBRATE_BASE_BAND_CMD = 16,
3413 IWL_PHY_CALIBRATE_TX_IQ_PERD_CMD = 17,
3414 IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD = 18,
3415 IWL_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD = 19,
3419 #define IWL_CALIB_INIT_CFG_ALL cpu_to_le32(0xffffffff)
3421 struct iwl_calib_cfg_elmnt_s {
3427 } __attribute__ ((packed));
3429 struct iwl_calib_cfg_status_s {
3430 struct iwl_calib_cfg_elmnt_s once;
3431 struct iwl_calib_cfg_elmnt_s perd;
3433 } __attribute__ ((packed));
3435 struct iwl_calib_cfg_cmd {
3436 struct iwl_calib_cfg_status_s ucd_calib_cfg;
3437 struct iwl_calib_cfg_status_s drv_calib_cfg;
3439 } __attribute__ ((packed));
3441 struct iwl_calib_hdr {
3446 } __attribute__ ((packed));
3448 struct iwl_calib_cmd {
3449 struct iwl_calib_hdr hdr;
3451 } __attribute__ ((packed));
3453 /* IWL_PHY_CALIBRATE_DIFF_GAIN_CMD (7) */
3454 struct iwl_calib_diff_gain_cmd {
3455 struct iwl_calib_hdr hdr;
3456 s8 diff_gain_a; /* see above */
3460 } __attribute__ ((packed));
3462 struct iwl_calib_xtal_freq_cmd {
3463 struct iwl_calib_hdr hdr;
3467 } __attribute__ ((packed));
3469 /* IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD */
3470 struct iwl_calib_chain_noise_reset_cmd {
3471 struct iwl_calib_hdr hdr;
3475 /* IWL_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD */
3476 struct iwl_calib_chain_noise_gain_cmd {
3477 struct iwl_calib_hdr hdr;
3481 } __attribute__ ((packed));
3483 /******************************************************************************
3485 * Miscellaneous Commands:
3487 *****************************************************************************/
3490 * LEDs Command & Response
3491 * REPLY_LEDS_CMD = 0x48 (command, has simple generic response)
3493 * For each of 3 possible LEDs (Activity/Link/Tech, selected by "id" field),
3494 * this command turns it on or off, or sets up a periodic blinking cycle.
3496 struct iwl_led_cmd {
3497 __le32 interval; /* "interval" in uSec */
3498 u8 id; /* 1: Activity, 2: Link, 3: Tech */
3499 u8 off; /* # intervals off while blinking;
3500 * "0", with >0 "on" value, turns LED on */
3501 u8 on; /* # intervals on while blinking;
3502 * "0", regardless of "off", turns LED off */
3504 } __attribute__ ((packed));
3507 * station priority table entries
3508 * also used as potential "events" value for both
3509 * COEX_MEDIUM_NOTIFICATION and COEX_EVENT_CMD
3513 * COEX events entry flag masks
3514 * RP - Requested Priority
3515 * WP - Win Medium Priority: priority assigned when the contention has been won
3517 #define COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG (0x1)
3518 #define COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG (0x2)
3519 #define COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG (0x4)
3521 #define COEX_CU_UNASSOC_IDLE_RP 4
3522 #define COEX_CU_UNASSOC_MANUAL_SCAN_RP 4
3523 #define COEX_CU_UNASSOC_AUTO_SCAN_RP 4
3524 #define COEX_CU_CALIBRATION_RP 4
3525 #define COEX_CU_PERIODIC_CALIBRATION_RP 4
3526 #define COEX_CU_CONNECTION_ESTAB_RP 4
3527 #define COEX_CU_ASSOCIATED_IDLE_RP 4
3528 #define COEX_CU_ASSOC_MANUAL_SCAN_RP 4
3529 #define COEX_CU_ASSOC_AUTO_SCAN_RP 4
3530 #define COEX_CU_ASSOC_ACTIVE_LEVEL_RP 4
3531 #define COEX_CU_RF_ON_RP 6
3532 #define COEX_CU_RF_OFF_RP 4
3533 #define COEX_CU_STAND_ALONE_DEBUG_RP 6
3534 #define COEX_CU_IPAN_ASSOC_LEVEL_RP 4
3535 #define COEX_CU_RSRVD1_RP 4
3536 #define COEX_CU_RSRVD2_RP 4
3538 #define COEX_CU_UNASSOC_IDLE_WP 3
3539 #define COEX_CU_UNASSOC_MANUAL_SCAN_WP 3
3540 #define COEX_CU_UNASSOC_AUTO_SCAN_WP 3
3541 #define COEX_CU_CALIBRATION_WP 3
3542 #define COEX_CU_PERIODIC_CALIBRATION_WP 3
3543 #define COEX_CU_CONNECTION_ESTAB_WP 3
3544 #define COEX_CU_ASSOCIATED_IDLE_WP 3
3545 #define COEX_CU_ASSOC_MANUAL_SCAN_WP 3
3546 #define COEX_CU_ASSOC_AUTO_SCAN_WP 3
3547 #define COEX_CU_ASSOC_ACTIVE_LEVEL_WP 3
3548 #define COEX_CU_RF_ON_WP 3
3549 #define COEX_CU_RF_OFF_WP 3
3550 #define COEX_CU_STAND_ALONE_DEBUG_WP 6
3551 #define COEX_CU_IPAN_ASSOC_LEVEL_WP 3
3552 #define COEX_CU_RSRVD1_WP 3
3553 #define COEX_CU_RSRVD2_WP 3
3555 #define COEX_UNASSOC_IDLE_FLAGS 0
3556 #define COEX_UNASSOC_MANUAL_SCAN_FLAGS \
3557 (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \
3558 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
3559 #define COEX_UNASSOC_AUTO_SCAN_FLAGS \
3560 (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \
3561 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
3562 #define COEX_CALIBRATION_FLAGS \
3563 (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \
3564 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
3565 #define COEX_PERIODIC_CALIBRATION_FLAGS 0
3567 * COEX_CONNECTION_ESTAB:
3568 * we need DELAY_MEDIUM_FREE_NTFY to let WiMAX disconnect from network.
3570 #define COEX_CONNECTION_ESTAB_FLAGS \
3571 (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \
3572 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG | \
3573 COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG)
3574 #define COEX_ASSOCIATED_IDLE_FLAGS 0
3575 #define COEX_ASSOC_MANUAL_SCAN_FLAGS \
3576 (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \
3577 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
3578 #define COEX_ASSOC_AUTO_SCAN_FLAGS \
3579 (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \
3580 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
3581 #define COEX_ASSOC_ACTIVE_LEVEL_FLAGS 0
3582 #define COEX_RF_ON_FLAGS 0
3583 #define COEX_RF_OFF_FLAGS 0
3584 #define COEX_STAND_ALONE_DEBUG_FLAGS \
3585 (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \
3586 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
3587 #define COEX_IPAN_ASSOC_LEVEL_FLAGS \
3588 (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \
3589 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG | \
3590 COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG)
3591 #define COEX_RSRVD1_FLAGS 0
3592 #define COEX_RSRVD2_FLAGS 0
3594 * COEX_CU_RF_ON is the event wrapping all radio ownership.
3595 * We need DELAY_MEDIUM_FREE_NTFY to let WiMAX disconnect from network.
3597 #define COEX_CU_RF_ON_FLAGS \
3598 (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \
3599 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG | \
3600 COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG)
3604 /* un-association part */
3605 COEX_UNASSOC_IDLE = 0,
3606 COEX_UNASSOC_MANUAL_SCAN = 1,
3607 COEX_UNASSOC_AUTO_SCAN = 2,
3609 COEX_CALIBRATION = 3,
3610 COEX_PERIODIC_CALIBRATION = 4,
3612 COEX_CONNECTION_ESTAB = 5,
3613 /* association part */
3614 COEX_ASSOCIATED_IDLE = 6,
3615 COEX_ASSOC_MANUAL_SCAN = 7,
3616 COEX_ASSOC_AUTO_SCAN = 8,
3617 COEX_ASSOC_ACTIVE_LEVEL = 9,
3621 COEX_STAND_ALONE_DEBUG = 12,
3623 COEX_IPAN_ASSOC_LEVEL = 13,
3627 COEX_NUM_OF_EVENTS = 16
3631 * Coexistence WIFI/WIMAX Command
3632 * COEX_PRIORITY_TABLE_CMD = 0x5a
3635 struct iwl_wimax_coex_event_entry {
3640 } __attribute__ ((packed));
3642 /* COEX flag masks */
3644 /* Station table is valid */
3645 #define COEX_FLAGS_STA_TABLE_VALID_MSK (0x1)
3646 /* UnMask wake up src at unassociated sleep */
3647 #define COEX_FLAGS_UNASSOC_WA_UNMASK_MSK (0x4)
3648 /* UnMask wake up src at associated sleep */
3649 #define COEX_FLAGS_ASSOC_WA_UNMASK_MSK (0x8)
3650 /* Enable CoEx feature. */
3651 #define COEX_FLAGS_COEX_ENABLE_MSK (0x80)
3653 struct iwl_wimax_coex_cmd {
3656 struct iwl_wimax_coex_event_entry sta_prio[COEX_NUM_OF_EVENTS];
3657 } __attribute__ ((packed));
3660 * Coexistence MEDIUM NOTIFICATION
3661 * COEX_MEDIUM_NOTIFICATION = 0x5b
3663 * notification from uCode to host to indicate medium changes
3668 * bit 0 - 2: medium status
3669 * bit 3: medium change indication
3670 * bit 4 - 31: reserved
3672 /* status option values, (0 - 2 bits) */
3673 #define COEX_MEDIUM_BUSY (0x0) /* radio belongs to WiMAX */
3674 #define COEX_MEDIUM_ACTIVE (0x1) /* radio belongs to WiFi */
3675 #define COEX_MEDIUM_PRE_RELEASE (0x2) /* received radio release */
3676 #define COEX_MEDIUM_MSK (0x7)
3678 /* send notification status (1 bit) */
3679 #define COEX_MEDIUM_CHANGED (0x8)
3680 #define COEX_MEDIUM_CHANGED_MSK (0x8)
3681 #define COEX_MEDIUM_SHIFT (3)
3683 struct iwl_coex_medium_notification {
3686 } __attribute__ ((packed));
3689 * Coexistence EVENT Command
3690 * COEX_EVENT_CMD = 0x5c
3692 * send from host to uCode for coex event request.
3695 #define COEX_EVENT_REQUEST_MSK (0x1)
3697 struct iwl_coex_event_cmd {
3701 } __attribute__ ((packed));
3703 struct iwl_coex_event_resp {
3705 } __attribute__ ((packed));
3708 /******************************************************************************
3710 * Union of all expected notifications/responses:
3712 *****************************************************************************/
3714 struct iwl_rx_packet {
3716 * The first 4 bytes of the RX frame header contain both the RX frame
3717 * size and some flags.
3719 * 31: flag flush RB request
3720 * 30: flag ignore TC (terminal counter) request
3721 * 29: flag fast IRQ request
3723 * 13-00: RX frame size
3726 struct iwl_cmd_header hdr;
3728 struct iwl3945_rx_frame rx_frame;
3729 struct iwl3945_tx_resp tx_resp;
3730 struct iwl3945_beacon_notif beacon_status;
3732 struct iwl_alive_resp alive_frame;
3733 struct iwl_spectrum_notification spectrum_notif;
3734 struct iwl_csa_notification csa_notif;
3735 struct iwl_error_resp err_resp;
3736 struct iwl_card_state_notif card_state_notif;
3737 struct iwl_add_sta_resp add_sta;
3738 struct iwl_rem_sta_resp rem_sta;
3739 struct iwl_sleep_notification sleep_notif;
3740 struct iwl_spectrum_resp spectrum;
3741 struct iwl_notif_statistics stats;
3742 struct iwl_compressed_ba_resp compressed_ba;
3743 struct iwl_missed_beacon_notif missed_beacon;
3744 struct iwl_coex_medium_notification coex_medium_notif;
3745 struct iwl_coex_event_resp coex_event;
3749 } __attribute__ ((packed));
3751 int iwl_agn_check_rxon_cmd(struct iwl_priv *priv);
3753 #endif /* __iwl_commands_h__ */