1 /******************************************************************************
5 * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28 *****************************************************************************/
29 #include <linux/etherdevice.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/init.h>
33 #include <linux/sched.h>
38 #include "iwl-agn-hw.h"
40 #include "iwl-trans.h"
41 #include "iwl-shared.h"
43 int iwlagn_hw_valid_rtc_data_addr(u32 addr
)
45 return (addr
>= IWLAGN_RTC_DATA_LOWER_BOUND
) &&
46 (addr
< IWLAGN_RTC_DATA_UPPER_BOUND
);
49 int iwlagn_send_tx_power(struct iwl_priv
*priv
)
51 struct iwlagn_tx_power_dbm_cmd tx_power_cmd
;
54 if (WARN_ONCE(test_bit(STATUS_SCAN_HW
, &priv
->status
),
55 "TX Power requested while scanning!\n"))
58 /* half dBm need to multiply */
59 tx_power_cmd
.global_lmt
= (s8
)(2 * priv
->tx_power_user_lmt
);
61 if (priv
->tx_power_lmt_in_half_dbm
&&
62 priv
->tx_power_lmt_in_half_dbm
< tx_power_cmd
.global_lmt
) {
64 * For the newer devices which using enhanced/extend tx power
65 * table in EEPROM, the format is in half dBm. driver need to
66 * convert to dBm format before report to mac80211.
67 * By doing so, there is a possibility of 1/2 dBm resolution
68 * lost. driver will perform "round-up" operation before
69 * reporting, but it will cause 1/2 dBm tx power over the
70 * regulatory limit. Perform the checking here, if the
71 * "tx_power_user_lmt" is higher than EEPROM value (in
72 * half-dBm format), lower the tx power based on EEPROM
74 tx_power_cmd
.global_lmt
= priv
->tx_power_lmt_in_half_dbm
;
76 tx_power_cmd
.flags
= IWLAGN_TX_POWER_NO_CLOSED
;
77 tx_power_cmd
.srv_chan_lmt
= IWLAGN_TX_POWER_AUTO
;
79 if (IWL_UCODE_API(priv
->fw
->ucode_ver
) == 1)
80 tx_ant_cfg_cmd
= REPLY_TX_POWER_DBM_CMD_V1
;
82 tx_ant_cfg_cmd
= REPLY_TX_POWER_DBM_CMD
;
84 return iwl_dvm_send_cmd_pdu(priv
, tx_ant_cfg_cmd
, CMD_SYNC
,
85 sizeof(tx_power_cmd
), &tx_power_cmd
);
88 void iwlagn_temperature(struct iwl_priv
*priv
)
90 lockdep_assert_held(&priv
->statistics
.lock
);
92 /* store temperature from correct statistics (in Celsius) */
93 priv
->temperature
= le32_to_cpu(priv
->statistics
.common
.temperature
);
97 u16
iwl_eeprom_calib_version(struct iwl_shared
*shrd
)
99 struct iwl_eeprom_calib_hdr
*hdr
;
101 hdr
= (struct iwl_eeprom_calib_hdr
*)iwl_eeprom_query_addr(shrd
,
110 static u32
eeprom_indirect_address(const struct iwl_shared
*shrd
, u32 address
)
114 if ((address
& INDIRECT_ADDRESS
) == 0)
117 switch (address
& INDIRECT_TYPE_MSK
) {
119 offset
= iwl_eeprom_query16(shrd
, EEPROM_LINK_HOST
);
121 case INDIRECT_GENERAL
:
122 offset
= iwl_eeprom_query16(shrd
, EEPROM_LINK_GENERAL
);
124 case INDIRECT_REGULATORY
:
125 offset
= iwl_eeprom_query16(shrd
, EEPROM_LINK_REGULATORY
);
127 case INDIRECT_TXP_LIMIT
:
128 offset
= iwl_eeprom_query16(shrd
, EEPROM_LINK_TXP_LIMIT
);
130 case INDIRECT_TXP_LIMIT_SIZE
:
131 offset
= iwl_eeprom_query16(shrd
, EEPROM_LINK_TXP_LIMIT_SIZE
);
133 case INDIRECT_CALIBRATION
:
134 offset
= iwl_eeprom_query16(shrd
, EEPROM_LINK_CALIBRATION
);
136 case INDIRECT_PROCESS_ADJST
:
137 offset
= iwl_eeprom_query16(shrd
, EEPROM_LINK_PROCESS_ADJST
);
139 case INDIRECT_OTHERS
:
140 offset
= iwl_eeprom_query16(shrd
, EEPROM_LINK_OTHERS
);
143 IWL_ERR(shrd
->trans
, "illegal indirect type: 0x%X\n",
144 address
& INDIRECT_TYPE_MSK
);
148 /* translate the offset from words to byte */
149 return (address
& ADDRESS_MSK
) + (offset
<< 1);
152 const u8
*iwl_eeprom_query_addr(const struct iwl_shared
*shrd
, size_t offset
)
154 u32 address
= eeprom_indirect_address(shrd
, offset
);
155 BUG_ON(address
>= shrd
->cfg
->base_params
->eeprom_size
);
156 return &shrd
->eeprom
[address
];
159 struct iwl_mod_params iwlagn_mod_params
= {
163 .bt_coex_active
= true,
164 .no_sleep_autoadjust
= true,
165 .power_level
= IWL_POWER_INDEX_1
,
166 .bt_ch_announce
= true,
167 .wanted_ucode_alternative
= 1,
169 /* the rest are 0 by default */
172 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags
, enum ieee80211_band band
)
177 /* HT rate format: mac80211 wants an MCS number, which is just LSB */
178 if (rate_n_flags
& RATE_MCS_HT_MSK
) {
179 idx
= (rate_n_flags
& 0xff);
181 /* Legacy rate format, search for match in table */
183 if (band
== IEEE80211_BAND_5GHZ
)
184 band_offset
= IWL_FIRST_OFDM_RATE
;
185 for (idx
= band_offset
; idx
< IWL_RATE_COUNT_LEGACY
; idx
++)
186 if (iwl_rates
[idx
].plcp
== (rate_n_flags
& 0xFF))
187 return idx
- band_offset
;
193 int iwlagn_manage_ibss_station(struct iwl_priv
*priv
,
194 struct ieee80211_vif
*vif
, bool add
)
196 struct iwl_vif_priv
*vif_priv
= (void *)vif
->drv_priv
;
199 return iwlagn_add_bssid_station(priv
, vif_priv
->ctx
,
201 &vif_priv
->ibss_bssid_sta_id
);
202 return iwl_remove_station(priv
, vif_priv
->ibss_bssid_sta_id
,
203 vif
->bss_conf
.bssid
);
207 * iwlagn_txfifo_flush: send REPLY_TXFIFO_FLUSH command to uCode
210 * 1. acquire mutex before calling
211 * 2. make sure rf is on and not in exit state
213 int iwlagn_txfifo_flush(struct iwl_priv
*priv
, u16 flush_control
)
215 struct iwl_txfifo_flush_cmd flush_cmd
;
216 struct iwl_host_cmd cmd
= {
217 .id
= REPLY_TXFIFO_FLUSH
,
218 .len
= { sizeof(struct iwl_txfifo_flush_cmd
), },
220 .data
= { &flush_cmd
, },
225 memset(&flush_cmd
, 0, sizeof(flush_cmd
));
226 if (flush_control
& BIT(IWL_RXON_CTX_BSS
))
227 flush_cmd
.fifo_control
= IWL_SCD_VO_MSK
| IWL_SCD_VI_MSK
|
228 IWL_SCD_BE_MSK
| IWL_SCD_BK_MSK
|
230 if ((flush_control
& BIT(IWL_RXON_CTX_PAN
)) &&
231 (priv
->shrd
->valid_contexts
!= BIT(IWL_RXON_CTX_BSS
)))
232 flush_cmd
.fifo_control
|= IWL_PAN_SCD_VO_MSK
|
233 IWL_PAN_SCD_VI_MSK
| IWL_PAN_SCD_BE_MSK
|
234 IWL_PAN_SCD_BK_MSK
| IWL_PAN_SCD_MGMT_MSK
|
235 IWL_PAN_SCD_MULTICAST_MSK
;
237 if (hw_params(priv
).sku
& EEPROM_SKU_CAP_11N_ENABLE
)
238 flush_cmd
.fifo_control
|= IWL_AGG_TX_QUEUE_MSK
;
240 IWL_DEBUG_INFO(priv
, "fifo queue control: 0X%x\n",
241 flush_cmd
.fifo_control
);
242 flush_cmd
.flush_control
= cpu_to_le16(flush_control
);
244 return iwl_dvm_send_cmd(priv
, &cmd
);
247 void iwlagn_dev_txfifo_flush(struct iwl_priv
*priv
, u16 flush_control
)
249 mutex_lock(&priv
->mutex
);
250 ieee80211_stop_queues(priv
->hw
);
251 if (iwlagn_txfifo_flush(priv
, IWL_DROP_ALL
)) {
252 IWL_ERR(priv
, "flush request fail\n");
255 IWL_DEBUG_INFO(priv
, "wait transmit/flush all frames\n");
256 iwl_trans_wait_tx_queue_empty(trans(priv
));
258 ieee80211_wake_queues(priv
->hw
);
259 mutex_unlock(&priv
->mutex
);
266 * Macros to access the lookup table.
268 * The lookup table has 7 inputs: bt3_prio, bt3_txrx, bt_rf_act, wifi_req,
269 * wifi_prio, wifi_txrx and wifi_sh_ant_req.
271 * It has three outputs: WLAN_ACTIVE, WLAN_KILL and ANT_SWITCH
273 * The format is that "registers" 8 through 11 contain the WLAN_ACTIVE bits
274 * one after another in 32-bit registers, and "registers" 0 through 7 contain
275 * the WLAN_KILL and ANT_SWITCH bits interleaved (in that order).
277 * These macros encode that format.
279 #define LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, wifi_req, wifi_prio, \
280 wifi_txrx, wifi_sh_ant_req) \
281 (bt3_prio | (bt3_txrx << 1) | (bt_rf_act << 2) | (wifi_req << 3) | \
282 (wifi_prio << 4) | (wifi_txrx << 5) | (wifi_sh_ant_req << 6))
284 #define LUT_PTA_WLAN_ACTIVE_OP(lut, op, val) \
285 lut[8 + ((val) >> 5)] op (cpu_to_le32(BIT((val) & 0x1f)))
286 #define LUT_TEST_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
287 wifi_prio, wifi_txrx, wifi_sh_ant_req) \
288 (!!(LUT_PTA_WLAN_ACTIVE_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, \
289 bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
291 #define LUT_SET_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
292 wifi_prio, wifi_txrx, wifi_sh_ant_req) \
293 LUT_PTA_WLAN_ACTIVE_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, \
294 bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
296 #define LUT_CLEAR_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, \
297 wifi_req, wifi_prio, wifi_txrx, \
299 LUT_PTA_WLAN_ACTIVE_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, \
300 bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
303 #define LUT_WLAN_KILL_OP(lut, op, val) \
304 lut[(val) >> 4] op (cpu_to_le32(BIT(((val) << 1) & 0x1e)))
305 #define LUT_TEST_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
306 wifi_prio, wifi_txrx, wifi_sh_ant_req) \
307 (!!(LUT_WLAN_KILL_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
308 wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))))
309 #define LUT_SET_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
310 wifi_prio, wifi_txrx, wifi_sh_ant_req) \
311 LUT_WLAN_KILL_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
312 wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
313 #define LUT_CLEAR_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
314 wifi_prio, wifi_txrx, wifi_sh_ant_req) \
315 LUT_WLAN_KILL_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
316 wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
318 #define LUT_ANT_SWITCH_OP(lut, op, val) \
319 lut[(val) >> 4] op (cpu_to_le32(BIT((((val) << 1) & 0x1e) + 1)))
320 #define LUT_TEST_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
321 wifi_prio, wifi_txrx, wifi_sh_ant_req) \
322 (!!(LUT_ANT_SWITCH_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
323 wifi_req, wifi_prio, wifi_txrx, \
325 #define LUT_SET_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
326 wifi_prio, wifi_txrx, wifi_sh_ant_req) \
327 LUT_ANT_SWITCH_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
328 wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
329 #define LUT_CLEAR_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
330 wifi_prio, wifi_txrx, wifi_sh_ant_req) \
331 LUT_ANT_SWITCH_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
332 wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
334 static const __le32 iwlagn_def_3w_lookup
[12] = {
335 cpu_to_le32(0xaaaaaaaa),
336 cpu_to_le32(0xaaaaaaaa),
337 cpu_to_le32(0xaeaaaaaa),
338 cpu_to_le32(0xaaaaaaaa),
339 cpu_to_le32(0xcc00ff28),
340 cpu_to_le32(0x0000aaaa),
341 cpu_to_le32(0xcc00aaaa),
342 cpu_to_le32(0x0000aaaa),
343 cpu_to_le32(0xc0004000),
344 cpu_to_le32(0x00004000),
345 cpu_to_le32(0xf0005000),
346 cpu_to_le32(0xf0005000),
349 static const __le32 iwlagn_concurrent_lookup
[12] = {
350 cpu_to_le32(0xaaaaaaaa),
351 cpu_to_le32(0xaaaaaaaa),
352 cpu_to_le32(0xaaaaaaaa),
353 cpu_to_le32(0xaaaaaaaa),
354 cpu_to_le32(0xaaaaaaaa),
355 cpu_to_le32(0xaaaaaaaa),
356 cpu_to_le32(0xaaaaaaaa),
357 cpu_to_le32(0xaaaaaaaa),
358 cpu_to_le32(0x00000000),
359 cpu_to_le32(0x00000000),
360 cpu_to_le32(0x00000000),
361 cpu_to_le32(0x00000000),
364 void iwlagn_send_advance_bt_config(struct iwl_priv
*priv
)
366 struct iwl_basic_bt_cmd basic
= {
367 .max_kill
= IWLAGN_BT_MAX_KILL_DEFAULT
,
368 .bt3_timer_t7_value
= IWLAGN_BT3_T7_DEFAULT
,
369 .bt3_prio_sample_time
= IWLAGN_BT3_PRIO_SAMPLE_DEFAULT
,
370 .bt3_timer_t2_value
= IWLAGN_BT3_T2_DEFAULT
,
372 struct iwl6000_bt_cmd bt_cmd_6000
;
373 struct iwl2000_bt_cmd bt_cmd_2000
;
376 BUILD_BUG_ON(sizeof(iwlagn_def_3w_lookup
) !=
377 sizeof(basic
.bt3_lookup_table
));
379 if (cfg(priv
)->bt_params
) {
380 if (cfg(priv
)->bt_params
->bt_session_2
) {
381 bt_cmd_2000
.prio_boost
= cpu_to_le32(
382 cfg(priv
)->bt_params
->bt_prio_boost
);
383 bt_cmd_2000
.tx_prio_boost
= 0;
384 bt_cmd_2000
.rx_prio_boost
= 0;
386 bt_cmd_6000
.prio_boost
=
387 cfg(priv
)->bt_params
->bt_prio_boost
;
388 bt_cmd_6000
.tx_prio_boost
= 0;
389 bt_cmd_6000
.rx_prio_boost
= 0;
392 IWL_ERR(priv
, "failed to construct BT Coex Config\n");
396 basic
.kill_ack_mask
= priv
->kill_ack_mask
;
397 basic
.kill_cts_mask
= priv
->kill_cts_mask
;
398 basic
.valid
= priv
->bt_valid
;
401 * Configure BT coex mode to "no coexistence" when the
402 * user disabled BT coexistence, we have no interface
403 * (might be in monitor mode), or the interface is in
404 * IBSS mode (no proper uCode support for coex then).
406 if (!iwlagn_mod_params
.bt_coex_active
||
407 priv
->iw_mode
== NL80211_IFTYPE_ADHOC
) {
408 basic
.flags
= IWLAGN_BT_FLAG_COEX_MODE_DISABLED
;
410 basic
.flags
= IWLAGN_BT_FLAG_COEX_MODE_3W
<<
411 IWLAGN_BT_FLAG_COEX_MODE_SHIFT
;
413 if (!priv
->bt_enable_pspoll
)
414 basic
.flags
|= IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE
;
416 basic
.flags
&= ~IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE
;
418 if (priv
->bt_ch_announce
)
419 basic
.flags
|= IWLAGN_BT_FLAG_CHANNEL_INHIBITION
;
420 IWL_DEBUG_COEX(priv
, "BT coex flag: 0X%x\n", basic
.flags
);
422 priv
->bt_enable_flag
= basic
.flags
;
423 if (priv
->bt_full_concurrent
)
424 memcpy(basic
.bt3_lookup_table
, iwlagn_concurrent_lookup
,
425 sizeof(iwlagn_concurrent_lookup
));
427 memcpy(basic
.bt3_lookup_table
, iwlagn_def_3w_lookup
,
428 sizeof(iwlagn_def_3w_lookup
));
430 IWL_DEBUG_COEX(priv
, "BT coex %s in %s mode\n",
431 basic
.flags
? "active" : "disabled",
432 priv
->bt_full_concurrent
?
433 "full concurrency" : "3-wire");
435 if (cfg(priv
)->bt_params
->bt_session_2
) {
436 memcpy(&bt_cmd_2000
.basic
, &basic
,
438 ret
= iwl_dvm_send_cmd_pdu(priv
, REPLY_BT_CONFIG
,
439 CMD_SYNC
, sizeof(bt_cmd_2000
), &bt_cmd_2000
);
441 memcpy(&bt_cmd_6000
.basic
, &basic
,
443 ret
= iwl_dvm_send_cmd_pdu(priv
, REPLY_BT_CONFIG
,
444 CMD_SYNC
, sizeof(bt_cmd_6000
), &bt_cmd_6000
);
447 IWL_ERR(priv
, "failed to send BT Coex Config\n");
451 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv
*priv
, bool rssi_ena
)
453 struct iwl_rxon_context
*ctx
, *found_ctx
= NULL
;
454 bool found_ap
= false;
456 lockdep_assert_held(&priv
->mutex
);
458 /* Check whether AP or GO mode is active. */
460 for_each_context(priv
, ctx
) {
461 if (ctx
->vif
&& ctx
->vif
->type
== NL80211_IFTYPE_AP
&&
462 iwl_is_associated_ctx(ctx
)) {
470 * If disable was received or If GO/AP mode, disable RSSI
473 if (!rssi_ena
|| found_ap
) {
474 if (priv
->cur_rssi_ctx
) {
475 ctx
= priv
->cur_rssi_ctx
;
476 ieee80211_disable_rssi_reports(ctx
->vif
);
477 priv
->cur_rssi_ctx
= NULL
;
483 * If rssi measurements need to be enabled, consider all cases now.
484 * Figure out how many contexts are active.
486 for_each_context(priv
, ctx
) {
487 if (ctx
->vif
&& ctx
->vif
->type
== NL80211_IFTYPE_STATION
&&
488 iwl_is_associated_ctx(ctx
)) {
495 * rssi monitor already enabled for the correct interface...nothing
498 if (found_ctx
== priv
->cur_rssi_ctx
)
502 * Figure out if rssi monitor is currently enabled, and needs
503 * to be changed. If rssi monitor is already enabled, disable
504 * it first else just enable rssi measurements on the
505 * interface found above.
507 if (priv
->cur_rssi_ctx
) {
508 ctx
= priv
->cur_rssi_ctx
;
510 ieee80211_disable_rssi_reports(ctx
->vif
);
513 priv
->cur_rssi_ctx
= found_ctx
;
518 ieee80211_enable_rssi_reports(found_ctx
->vif
,
519 IWLAGN_BT_PSP_MIN_RSSI_THRESHOLD
,
520 IWLAGN_BT_PSP_MAX_RSSI_THRESHOLD
);
523 static bool iwlagn_bt_traffic_is_sco(struct iwl_bt_uart_msg
*uart_msg
)
525 return BT_UART_MSG_FRAME3SCOESCO_MSK
& uart_msg
->frame3
>>
526 BT_UART_MSG_FRAME3SCOESCO_POS
;
529 static void iwlagn_bt_traffic_change_work(struct work_struct
*work
)
531 struct iwl_priv
*priv
=
532 container_of(work
, struct iwl_priv
, bt_traffic_change_work
);
533 struct iwl_rxon_context
*ctx
;
534 int smps_request
= -1;
536 if (priv
->bt_enable_flag
== IWLAGN_BT_FLAG_COEX_MODE_DISABLED
) {
537 /* bt coex disabled */
542 * Note: bt_traffic_load can be overridden by scan complete and
543 * coex profile notifications. Ignore that since only bad consequence
544 * can be not matching debug print with actual state.
546 IWL_DEBUG_COEX(priv
, "BT traffic load changes: %d\n",
547 priv
->bt_traffic_load
);
549 switch (priv
->bt_traffic_load
) {
550 case IWL_BT_COEX_TRAFFIC_LOAD_NONE
:
552 smps_request
= IEEE80211_SMPS_DYNAMIC
;
554 smps_request
= IEEE80211_SMPS_AUTOMATIC
;
556 case IWL_BT_COEX_TRAFFIC_LOAD_LOW
:
557 smps_request
= IEEE80211_SMPS_DYNAMIC
;
559 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH
:
560 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS
:
561 smps_request
= IEEE80211_SMPS_STATIC
;
564 IWL_ERR(priv
, "Invalid BT traffic load: %d\n",
565 priv
->bt_traffic_load
);
569 mutex_lock(&priv
->mutex
);
572 * We can not send command to firmware while scanning. When the scan
573 * complete we will schedule this work again. We do check with mutex
574 * locked to prevent new scan request to arrive. We do not check
575 * STATUS_SCANNING to avoid race when queue_work two times from
576 * different notifications, but quit and not perform any work at all.
578 if (test_bit(STATUS_SCAN_HW
, &priv
->status
))
581 iwl_update_chain_flags(priv
);
583 if (smps_request
!= -1) {
584 priv
->current_ht_config
.smps
= smps_request
;
585 for_each_context(priv
, ctx
) {
586 if (ctx
->vif
&& ctx
->vif
->type
== NL80211_IFTYPE_STATION
)
587 ieee80211_request_smps(ctx
->vif
, smps_request
);
592 * Dynamic PS poll related functionality. Adjust RSSI measurements if
595 iwlagn_bt_coex_rssi_monitor(priv
);
597 mutex_unlock(&priv
->mutex
);
601 * If BT sco traffic, and RSSI monitor is enabled, move measurements to the
602 * correct interface or disable it if this is the last interface to be
605 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv
*priv
)
607 if (priv
->bt_is_sco
&&
608 priv
->bt_traffic_load
== IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS
)
609 iwlagn_bt_adjust_rssi_monitor(priv
, true);
611 iwlagn_bt_adjust_rssi_monitor(priv
, false);
614 static void iwlagn_print_uartmsg(struct iwl_priv
*priv
,
615 struct iwl_bt_uart_msg
*uart_msg
)
617 IWL_DEBUG_COEX(priv
, "Message Type = 0x%X, SSN = 0x%X, "
619 (BT_UART_MSG_FRAME1MSGTYPE_MSK
& uart_msg
->frame1
) >>
620 BT_UART_MSG_FRAME1MSGTYPE_POS
,
621 (BT_UART_MSG_FRAME1SSN_MSK
& uart_msg
->frame1
) >>
622 BT_UART_MSG_FRAME1SSN_POS
,
623 (BT_UART_MSG_FRAME1UPDATEREQ_MSK
& uart_msg
->frame1
) >>
624 BT_UART_MSG_FRAME1UPDATEREQ_POS
);
626 IWL_DEBUG_COEX(priv
, "Open connections = 0x%X, Traffic load = 0x%X, "
627 "Chl_SeqN = 0x%X, In band = 0x%X",
628 (BT_UART_MSG_FRAME2OPENCONNECTIONS_MSK
& uart_msg
->frame2
) >>
629 BT_UART_MSG_FRAME2OPENCONNECTIONS_POS
,
630 (BT_UART_MSG_FRAME2TRAFFICLOAD_MSK
& uart_msg
->frame2
) >>
631 BT_UART_MSG_FRAME2TRAFFICLOAD_POS
,
632 (BT_UART_MSG_FRAME2CHLSEQN_MSK
& uart_msg
->frame2
) >>
633 BT_UART_MSG_FRAME2CHLSEQN_POS
,
634 (BT_UART_MSG_FRAME2INBAND_MSK
& uart_msg
->frame2
) >>
635 BT_UART_MSG_FRAME2INBAND_POS
);
637 IWL_DEBUG_COEX(priv
, "SCO/eSCO = 0x%X, Sniff = 0x%X, A2DP = 0x%X, "
638 "ACL = 0x%X, Master = 0x%X, OBEX = 0x%X",
639 (BT_UART_MSG_FRAME3SCOESCO_MSK
& uart_msg
->frame3
) >>
640 BT_UART_MSG_FRAME3SCOESCO_POS
,
641 (BT_UART_MSG_FRAME3SNIFF_MSK
& uart_msg
->frame3
) >>
642 BT_UART_MSG_FRAME3SNIFF_POS
,
643 (BT_UART_MSG_FRAME3A2DP_MSK
& uart_msg
->frame3
) >>
644 BT_UART_MSG_FRAME3A2DP_POS
,
645 (BT_UART_MSG_FRAME3ACL_MSK
& uart_msg
->frame3
) >>
646 BT_UART_MSG_FRAME3ACL_POS
,
647 (BT_UART_MSG_FRAME3MASTER_MSK
& uart_msg
->frame3
) >>
648 BT_UART_MSG_FRAME3MASTER_POS
,
649 (BT_UART_MSG_FRAME3OBEX_MSK
& uart_msg
->frame3
) >>
650 BT_UART_MSG_FRAME3OBEX_POS
);
652 IWL_DEBUG_COEX(priv
, "Idle duration = 0x%X",
653 (BT_UART_MSG_FRAME4IDLEDURATION_MSK
& uart_msg
->frame4
) >>
654 BT_UART_MSG_FRAME4IDLEDURATION_POS
);
656 IWL_DEBUG_COEX(priv
, "Tx Activity = 0x%X, Rx Activity = 0x%X, "
657 "eSCO Retransmissions = 0x%X",
658 (BT_UART_MSG_FRAME5TXACTIVITY_MSK
& uart_msg
->frame5
) >>
659 BT_UART_MSG_FRAME5TXACTIVITY_POS
,
660 (BT_UART_MSG_FRAME5RXACTIVITY_MSK
& uart_msg
->frame5
) >>
661 BT_UART_MSG_FRAME5RXACTIVITY_POS
,
662 (BT_UART_MSG_FRAME5ESCORETRANSMIT_MSK
& uart_msg
->frame5
) >>
663 BT_UART_MSG_FRAME5ESCORETRANSMIT_POS
);
665 IWL_DEBUG_COEX(priv
, "Sniff Interval = 0x%X, Discoverable = 0x%X",
666 (BT_UART_MSG_FRAME6SNIFFINTERVAL_MSK
& uart_msg
->frame6
) >>
667 BT_UART_MSG_FRAME6SNIFFINTERVAL_POS
,
668 (BT_UART_MSG_FRAME6DISCOVERABLE_MSK
& uart_msg
->frame6
) >>
669 BT_UART_MSG_FRAME6DISCOVERABLE_POS
);
671 IWL_DEBUG_COEX(priv
, "Sniff Activity = 0x%X, Page = "
672 "0x%X, Inquiry = 0x%X, Connectable = 0x%X",
673 (BT_UART_MSG_FRAME7SNIFFACTIVITY_MSK
& uart_msg
->frame7
) >>
674 BT_UART_MSG_FRAME7SNIFFACTIVITY_POS
,
675 (BT_UART_MSG_FRAME7PAGE_MSK
& uart_msg
->frame7
) >>
676 BT_UART_MSG_FRAME7PAGE_POS
,
677 (BT_UART_MSG_FRAME7INQUIRY_MSK
& uart_msg
->frame7
) >>
678 BT_UART_MSG_FRAME7INQUIRY_POS
,
679 (BT_UART_MSG_FRAME7CONNECTABLE_MSK
& uart_msg
->frame7
) >>
680 BT_UART_MSG_FRAME7CONNECTABLE_POS
);
683 static void iwlagn_set_kill_msk(struct iwl_priv
*priv
,
684 struct iwl_bt_uart_msg
*uart_msg
)
687 static const __le32 bt_kill_ack_msg
[2] = {
688 IWLAGN_BT_KILL_ACK_MASK_DEFAULT
,
689 IWLAGN_BT_KILL_ACK_CTS_MASK_SCO
};
690 static const __le32 bt_kill_cts_msg
[2] = {
691 IWLAGN_BT_KILL_CTS_MASK_DEFAULT
,
692 IWLAGN_BT_KILL_ACK_CTS_MASK_SCO
};
694 kill_msk
= (BT_UART_MSG_FRAME3SCOESCO_MSK
& uart_msg
->frame3
)
696 if (priv
->kill_ack_mask
!= bt_kill_ack_msg
[kill_msk
] ||
697 priv
->kill_cts_mask
!= bt_kill_cts_msg
[kill_msk
]) {
698 priv
->bt_valid
|= IWLAGN_BT_VALID_KILL_ACK_MASK
;
699 priv
->kill_ack_mask
= bt_kill_ack_msg
[kill_msk
];
700 priv
->bt_valid
|= IWLAGN_BT_VALID_KILL_CTS_MASK
;
701 priv
->kill_cts_mask
= bt_kill_cts_msg
[kill_msk
];
703 /* schedule to send runtime bt_config */
704 queue_work(priv
->workqueue
, &priv
->bt_runtime_config
);
708 int iwlagn_bt_coex_profile_notif(struct iwl_priv
*priv
,
709 struct iwl_rx_cmd_buffer
*rxb
,
710 struct iwl_device_cmd
*cmd
)
712 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
713 struct iwl_bt_coex_profile_notif
*coex
= (void *)pkt
->data
;
714 struct iwl_bt_uart_msg
*uart_msg
= &coex
->last_bt_uart_msg
;
716 if (priv
->bt_enable_flag
== IWLAGN_BT_FLAG_COEX_MODE_DISABLED
) {
717 /* bt coex disabled */
721 IWL_DEBUG_COEX(priv
, "BT Coex notification:\n");
722 IWL_DEBUG_COEX(priv
, " status: %d\n", coex
->bt_status
);
723 IWL_DEBUG_COEX(priv
, " traffic load: %d\n", coex
->bt_traffic_load
);
724 IWL_DEBUG_COEX(priv
, " CI compliance: %d\n",
725 coex
->bt_ci_compliance
);
726 iwlagn_print_uartmsg(priv
, uart_msg
);
728 priv
->last_bt_traffic_load
= priv
->bt_traffic_load
;
729 priv
->bt_is_sco
= iwlagn_bt_traffic_is_sco(uart_msg
);
731 if (priv
->iw_mode
!= NL80211_IFTYPE_ADHOC
) {
732 if (priv
->bt_status
!= coex
->bt_status
||
733 priv
->last_bt_traffic_load
!= coex
->bt_traffic_load
) {
734 if (coex
->bt_status
) {
736 if (!priv
->bt_ch_announce
)
737 priv
->bt_traffic_load
=
738 IWL_BT_COEX_TRAFFIC_LOAD_HIGH
;
740 priv
->bt_traffic_load
=
741 coex
->bt_traffic_load
;
744 priv
->bt_traffic_load
=
745 IWL_BT_COEX_TRAFFIC_LOAD_NONE
;
747 priv
->bt_status
= coex
->bt_status
;
748 queue_work(priv
->workqueue
,
749 &priv
->bt_traffic_change_work
);
753 iwlagn_set_kill_msk(priv
, uart_msg
);
755 /* FIXME: based on notification, adjust the prio_boost */
757 priv
->bt_ci_compliance
= coex
->bt_ci_compliance
;
761 void iwlagn_bt_rx_handler_setup(struct iwl_priv
*priv
)
763 priv
->rx_handlers
[REPLY_BT_COEX_PROFILE_NOTIF
] =
764 iwlagn_bt_coex_profile_notif
;
767 void iwlagn_bt_setup_deferred_work(struct iwl_priv
*priv
)
769 INIT_WORK(&priv
->bt_traffic_change_work
,
770 iwlagn_bt_traffic_change_work
);
773 void iwlagn_bt_cancel_deferred_work(struct iwl_priv
*priv
)
775 cancel_work_sync(&priv
->bt_traffic_change_work
);
778 static bool is_single_rx_stream(struct iwl_priv
*priv
)
780 return priv
->current_ht_config
.smps
== IEEE80211_SMPS_STATIC
||
781 priv
->current_ht_config
.single_chain_sufficient
;
784 #define IWL_NUM_RX_CHAINS_MULTIPLE 3
785 #define IWL_NUM_RX_CHAINS_SINGLE 2
786 #define IWL_NUM_IDLE_CHAINS_DUAL 2
787 #define IWL_NUM_IDLE_CHAINS_SINGLE 1
790 * Determine how many receiver/antenna chains to use.
792 * More provides better reception via diversity. Fewer saves power
793 * at the expense of throughput, but only when not in powersave to
796 * MIMO (dual stream) requires at least 2, but works better with 3.
797 * This does not determine *which* chains to use, just how many.
799 static int iwl_get_active_rx_chain_count(struct iwl_priv
*priv
)
801 if (cfg(priv
)->bt_params
&&
802 cfg(priv
)->bt_params
->advanced_bt_coexist
&&
803 (priv
->bt_full_concurrent
||
804 priv
->bt_traffic_load
>= IWL_BT_COEX_TRAFFIC_LOAD_HIGH
)) {
806 * only use chain 'A' in bt high traffic load or
807 * full concurrency mode
809 return IWL_NUM_RX_CHAINS_SINGLE
;
811 /* # of Rx chains to use when expecting MIMO. */
812 if (is_single_rx_stream(priv
))
813 return IWL_NUM_RX_CHAINS_SINGLE
;
815 return IWL_NUM_RX_CHAINS_MULTIPLE
;
819 * When we are in power saving mode, unless device support spatial
820 * multiplexing power save, use the active count for rx chain count.
822 static int iwl_get_idle_rx_chain_count(struct iwl_priv
*priv
, int active_cnt
)
824 /* # Rx chains when idling, depending on SMPS mode */
825 switch (priv
->current_ht_config
.smps
) {
826 case IEEE80211_SMPS_STATIC
:
827 case IEEE80211_SMPS_DYNAMIC
:
828 return IWL_NUM_IDLE_CHAINS_SINGLE
;
829 case IEEE80211_SMPS_AUTOMATIC
:
830 case IEEE80211_SMPS_OFF
:
833 WARN(1, "invalid SMPS mode %d",
834 priv
->current_ht_config
.smps
);
840 static u8
iwl_count_chain_bitmap(u32 chain_bitmap
)
843 res
= (chain_bitmap
& BIT(0)) >> 0;
844 res
+= (chain_bitmap
& BIT(1)) >> 1;
845 res
+= (chain_bitmap
& BIT(2)) >> 2;
846 res
+= (chain_bitmap
& BIT(3)) >> 3;
851 * iwlagn_set_rxon_chain - Set up Rx chain usage in "staging" RXON image
853 * Selects how many and which Rx receivers/antennas/chains to use.
854 * This should not be used for scan command ... it puts data in wrong place.
856 void iwlagn_set_rxon_chain(struct iwl_priv
*priv
, struct iwl_rxon_context
*ctx
)
858 bool is_single
= is_single_rx_stream(priv
);
859 bool is_cam
= !test_bit(STATUS_POWER_PMI
, &priv
->shrd
->status
);
860 u8 idle_rx_cnt
, active_rx_cnt
, valid_rx_cnt
;
864 /* Tell uCode which antennas are actually connected.
865 * Before first association, we assume all antennas are connected.
866 * Just after first association, iwl_chain_noise_calibration()
867 * checks which antennas actually *are* connected. */
868 if (priv
->chain_noise_data
.active_chains
)
869 active_chains
= priv
->chain_noise_data
.active_chains
;
871 active_chains
= hw_params(priv
).valid_rx_ant
;
873 if (cfg(priv
)->bt_params
&&
874 cfg(priv
)->bt_params
->advanced_bt_coexist
&&
875 (priv
->bt_full_concurrent
||
876 priv
->bt_traffic_load
>= IWL_BT_COEX_TRAFFIC_LOAD_HIGH
)) {
878 * only use chain 'A' in bt high traffic load or
879 * full concurrency mode
881 active_chains
= first_antenna(active_chains
);
884 rx_chain
= active_chains
<< RXON_RX_CHAIN_VALID_POS
;
886 /* How many receivers should we use? */
887 active_rx_cnt
= iwl_get_active_rx_chain_count(priv
);
888 idle_rx_cnt
= iwl_get_idle_rx_chain_count(priv
, active_rx_cnt
);
891 /* correct rx chain count according hw settings
892 * and chain noise calibration
894 valid_rx_cnt
= iwl_count_chain_bitmap(active_chains
);
895 if (valid_rx_cnt
< active_rx_cnt
)
896 active_rx_cnt
= valid_rx_cnt
;
898 if (valid_rx_cnt
< idle_rx_cnt
)
899 idle_rx_cnt
= valid_rx_cnt
;
901 rx_chain
|= active_rx_cnt
<< RXON_RX_CHAIN_MIMO_CNT_POS
;
902 rx_chain
|= idle_rx_cnt
<< RXON_RX_CHAIN_CNT_POS
;
904 ctx
->staging
.rx_chain
= cpu_to_le16(rx_chain
);
906 if (!is_single
&& (active_rx_cnt
>= IWL_NUM_RX_CHAINS_SINGLE
) && is_cam
)
907 ctx
->staging
.rx_chain
|= RXON_RX_CHAIN_MIMO_FORCE_MSK
;
909 ctx
->staging
.rx_chain
&= ~RXON_RX_CHAIN_MIMO_FORCE_MSK
;
911 IWL_DEBUG_ASSOC(priv
, "rx_chain=0x%X active=%d idle=%d\n",
912 ctx
->staging
.rx_chain
,
913 active_rx_cnt
, idle_rx_cnt
);
915 WARN_ON(active_rx_cnt
== 0 || idle_rx_cnt
== 0 ||
916 active_rx_cnt
< idle_rx_cnt
);
919 u8
iwl_toggle_tx_ant(struct iwl_priv
*priv
, u8 ant
, u8 valid
)
924 if (priv
->band
== IEEE80211_BAND_2GHZ
&&
925 priv
->bt_traffic_load
>= IWL_BT_COEX_TRAFFIC_LOAD_HIGH
)
928 for (i
= 0; i
< RATE_ANT_NUM
- 1; i
++) {
929 ind
= (ind
+ 1) < RATE_ANT_NUM
? ind
+ 1 : 0;
930 if (valid
& BIT(ind
))
936 #ifdef CONFIG_PM_SLEEP
937 static void iwlagn_convert_p1k(u16
*p1k
, __le16
*out
)
941 for (i
= 0; i
< IWLAGN_P1K_SIZE
; i
++)
942 out
[i
] = cpu_to_le16(p1k
[i
]);
945 struct wowlan_key_data
{
946 struct iwl_rxon_context
*ctx
;
947 struct iwlagn_wowlan_rsc_tsc_params_cmd
*rsc_tsc
;
948 struct iwlagn_wowlan_tkip_params_cmd
*tkip
;
950 bool error
, use_rsc_tsc
, use_tkip
;
954 static void iwlagn_wowlan_program_keys(struct ieee80211_hw
*hw
,
955 struct ieee80211_vif
*vif
,
956 struct ieee80211_sta
*sta
,
957 struct ieee80211_key_conf
*key
,
960 struct iwl_priv
*priv
= IWL_MAC80211_GET_DVM(hw
);
961 struct wowlan_key_data
*data
= _data
;
962 struct iwl_rxon_context
*ctx
= data
->ctx
;
963 struct aes_sc
*aes_sc
, *aes_tx_sc
= NULL
;
964 struct tkip_sc
*tkip_sc
, *tkip_tx_sc
= NULL
;
965 struct iwlagn_p1k_cache
*rx_p1ks
;
967 struct ieee80211_key_seq seq
;
969 u16 p1k
[IWLAGN_P1K_SIZE
];
972 mutex_lock(&priv
->mutex
);
974 if ((key
->cipher
== WLAN_CIPHER_SUITE_WEP40
||
975 key
->cipher
== WLAN_CIPHER_SUITE_WEP104
) &&
976 !sta
&& !ctx
->key_mapping_keys
)
977 ret
= iwl_set_default_wep_key(priv
, ctx
, key
);
979 ret
= iwl_set_dynamic_key(priv
, ctx
, key
, sta
);
982 IWL_ERR(priv
, "Error setting key during suspend!\n");
986 switch (key
->cipher
) {
987 case WLAN_CIPHER_SUITE_TKIP
:
989 tkip_sc
= data
->rsc_tsc
->all_tsc_rsc
.tkip
.unicast_rsc
;
990 tkip_tx_sc
= &data
->rsc_tsc
->all_tsc_rsc
.tkip
.tsc
;
992 rx_p1ks
= data
->tkip
->rx_uni
;
994 ieee80211_get_key_tx_seq(key
, &seq
);
995 tkip_tx_sc
->iv16
= cpu_to_le16(seq
.tkip
.iv16
);
996 tkip_tx_sc
->iv32
= cpu_to_le32(seq
.tkip
.iv32
);
998 ieee80211_get_tkip_p1k_iv(key
, seq
.tkip
.iv32
, p1k
);
999 iwlagn_convert_p1k(p1k
, data
->tkip
->tx
.p1k
);
1001 memcpy(data
->tkip
->mic_keys
.tx
,
1002 &key
->key
[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY
],
1003 IWLAGN_MIC_KEY_SIZE
);
1005 rx_mic_key
= data
->tkip
->mic_keys
.rx_unicast
;
1008 data
->rsc_tsc
->all_tsc_rsc
.tkip
.multicast_rsc
;
1009 rx_p1ks
= data
->tkip
->rx_multi
;
1010 rx_mic_key
= data
->tkip
->mic_keys
.rx_mcast
;
1014 * For non-QoS this relies on the fact that both the uCode and
1015 * mac80211 use TID 0 (as they need to to avoid replay attacks)
1016 * for checking the IV in the frames.
1018 for (i
= 0; i
< IWLAGN_NUM_RSC
; i
++) {
1019 ieee80211_get_key_rx_seq(key
, i
, &seq
);
1020 tkip_sc
[i
].iv16
= cpu_to_le16(seq
.tkip
.iv16
);
1021 tkip_sc
[i
].iv32
= cpu_to_le32(seq
.tkip
.iv32
);
1022 /* wrapping isn't allowed, AP must rekey */
1023 if (seq
.tkip
.iv32
> cur_rx_iv32
)
1024 cur_rx_iv32
= seq
.tkip
.iv32
;
1027 ieee80211_get_tkip_rx_p1k(key
, data
->bssid
, cur_rx_iv32
, p1k
);
1028 iwlagn_convert_p1k(p1k
, rx_p1ks
[0].p1k
);
1029 ieee80211_get_tkip_rx_p1k(key
, data
->bssid
,
1030 cur_rx_iv32
+ 1, p1k
);
1031 iwlagn_convert_p1k(p1k
, rx_p1ks
[1].p1k
);
1034 &key
->key
[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY
],
1035 IWLAGN_MIC_KEY_SIZE
);
1037 data
->use_tkip
= true;
1038 data
->use_rsc_tsc
= true;
1040 case WLAN_CIPHER_SUITE_CCMP
:
1042 u8
*pn
= seq
.ccmp
.pn
;
1044 aes_sc
= data
->rsc_tsc
->all_tsc_rsc
.aes
.unicast_rsc
;
1045 aes_tx_sc
= &data
->rsc_tsc
->all_tsc_rsc
.aes
.tsc
;
1047 ieee80211_get_key_tx_seq(key
, &seq
);
1048 aes_tx_sc
->pn
= cpu_to_le64(
1051 ((u64
)pn
[3] << 16) |
1052 ((u64
)pn
[2] << 24) |
1053 ((u64
)pn
[1] << 32) |
1054 ((u64
)pn
[0] << 40));
1056 aes_sc
= data
->rsc_tsc
->all_tsc_rsc
.aes
.multicast_rsc
;
1059 * For non-QoS this relies on the fact that both the uCode and
1060 * mac80211 use TID 0 for checking the IV in the frames.
1062 for (i
= 0; i
< IWLAGN_NUM_RSC
; i
++) {
1063 u8
*pn
= seq
.ccmp
.pn
;
1065 ieee80211_get_key_rx_seq(key
, i
, &seq
);
1066 aes_sc
->pn
= cpu_to_le64(
1069 ((u64
)pn
[3] << 16) |
1070 ((u64
)pn
[2] << 24) |
1071 ((u64
)pn
[1] << 32) |
1072 ((u64
)pn
[0] << 40));
1074 data
->use_rsc_tsc
= true;
1078 mutex_unlock(&priv
->mutex
);
1081 int iwlagn_send_patterns(struct iwl_priv
*priv
,
1082 struct cfg80211_wowlan
*wowlan
)
1084 struct iwlagn_wowlan_patterns_cmd
*pattern_cmd
;
1085 struct iwl_host_cmd cmd
= {
1086 .id
= REPLY_WOWLAN_PATTERNS
,
1087 .dataflags
[0] = IWL_HCMD_DFL_NOCOPY
,
1092 if (!wowlan
->n_patterns
)
1095 cmd
.len
[0] = sizeof(*pattern_cmd
) +
1096 wowlan
->n_patterns
* sizeof(struct iwlagn_wowlan_pattern
);
1098 pattern_cmd
= kmalloc(cmd
.len
[0], GFP_KERNEL
);
1102 pattern_cmd
->n_patterns
= cpu_to_le32(wowlan
->n_patterns
);
1104 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
1105 int mask_len
= DIV_ROUND_UP(wowlan
->patterns
[i
].pattern_len
, 8);
1107 memcpy(&pattern_cmd
->patterns
[i
].mask
,
1108 wowlan
->patterns
[i
].mask
, mask_len
);
1109 memcpy(&pattern_cmd
->patterns
[i
].pattern
,
1110 wowlan
->patterns
[i
].pattern
,
1111 wowlan
->patterns
[i
].pattern_len
);
1112 pattern_cmd
->patterns
[i
].mask_size
= mask_len
;
1113 pattern_cmd
->patterns
[i
].pattern_size
=
1114 wowlan
->patterns
[i
].pattern_len
;
1117 cmd
.data
[0] = pattern_cmd
;
1118 err
= iwl_dvm_send_cmd(priv
, &cmd
);
1123 int iwlagn_suspend(struct iwl_priv
*priv
, struct cfg80211_wowlan
*wowlan
)
1125 struct iwlagn_wowlan_wakeup_filter_cmd wakeup_filter_cmd
;
1126 struct iwl_rxon_cmd rxon
;
1127 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_BSS
];
1128 struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd
;
1129 struct iwlagn_wowlan_tkip_params_cmd tkip_cmd
= {};
1130 struct iwlagn_d3_config_cmd d3_cfg_cmd
= {};
1131 struct wowlan_key_data key_data
= {
1133 .bssid
= ctx
->active
.bssid_addr
,
1134 .use_rsc_tsc
= false,
1141 key_data
.rsc_tsc
= kzalloc(sizeof(*key_data
.rsc_tsc
), GFP_KERNEL
);
1142 if (!key_data
.rsc_tsc
)
1145 memset(&wakeup_filter_cmd
, 0, sizeof(wakeup_filter_cmd
));
1148 * We know the last used seqno, and the uCode expects to know that
1149 * one, it will increment before TX.
1151 seq
= le16_to_cpu(priv
->last_seq_ctl
) & IEEE80211_SCTL_SEQ
;
1152 wakeup_filter_cmd
.non_qos_seq
= cpu_to_le16(seq
);
1155 * For QoS counters, we store the one to use next, so subtract 0x10
1156 * since the uCode will add 0x10 before using the value.
1158 for (i
= 0; i
< IWL_MAX_TID_COUNT
; i
++) {
1159 seq
= priv
->tid_data
[IWL_AP_ID
][i
].seq_number
;
1161 wakeup_filter_cmd
.qos_seq
[i
] = cpu_to_le16(seq
);
1164 if (wowlan
->disconnect
)
1165 wakeup_filter_cmd
.enabled
|=
1166 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_BEACON_MISS
|
1167 IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE
);
1168 if (wowlan
->magic_pkt
)
1169 wakeup_filter_cmd
.enabled
|=
1170 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET
);
1171 if (wowlan
->gtk_rekey_failure
)
1172 wakeup_filter_cmd
.enabled
|=
1173 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL
);
1174 if (wowlan
->eap_identity_req
)
1175 wakeup_filter_cmd
.enabled
|=
1176 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ
);
1177 if (wowlan
->four_way_handshake
)
1178 wakeup_filter_cmd
.enabled
|=
1179 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE
);
1180 if (wowlan
->n_patterns
)
1181 wakeup_filter_cmd
.enabled
|=
1182 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH
);
1184 if (wowlan
->rfkill_release
)
1185 d3_cfg_cmd
.wakeup_flags
|=
1186 cpu_to_le32(IWLAGN_D3_WAKEUP_RFKILL
);
1188 iwl_scan_cancel_timeout(priv
, 200);
1190 memcpy(&rxon
, &ctx
->active
, sizeof(rxon
));
1192 priv
->ucode_loaded
= false;
1193 iwl_trans_stop_device(trans(priv
));
1195 priv
->wowlan
= true;
1197 ret
= iwl_load_ucode_wait_alive(priv
, IWL_UCODE_WOWLAN
);
1201 /* now configure WoWLAN ucode */
1202 ret
= iwl_alive_start(priv
);
1206 memcpy(&ctx
->staging
, &rxon
, sizeof(rxon
));
1207 ret
= iwlagn_commit_rxon(priv
, ctx
);
1211 ret
= iwl_power_update_mode(priv
, true);
1215 if (!iwlagn_mod_params
.sw_crypto
) {
1216 /* mark all keys clear */
1217 priv
->ucode_key_table
= 0;
1218 ctx
->key_mapping_keys
= 0;
1221 * This needs to be unlocked due to lock ordering
1222 * constraints. Since we're in the suspend path
1223 * that isn't really a problem though.
1225 mutex_unlock(&priv
->mutex
);
1226 ieee80211_iter_keys(priv
->hw
, ctx
->vif
,
1227 iwlagn_wowlan_program_keys
,
1229 mutex_lock(&priv
->mutex
);
1230 if (key_data
.error
) {
1235 if (key_data
.use_rsc_tsc
) {
1236 struct iwl_host_cmd rsc_tsc_cmd
= {
1237 .id
= REPLY_WOWLAN_TSC_RSC_PARAMS
,
1239 .data
[0] = key_data
.rsc_tsc
,
1240 .dataflags
[0] = IWL_HCMD_DFL_NOCOPY
,
1241 .len
[0] = sizeof(*key_data
.rsc_tsc
),
1244 ret
= iwl_dvm_send_cmd(priv
, &rsc_tsc_cmd
);
1249 if (key_data
.use_tkip
) {
1250 ret
= iwl_dvm_send_cmd_pdu(priv
,
1251 REPLY_WOWLAN_TKIP_PARAMS
,
1252 CMD_SYNC
, sizeof(tkip_cmd
),
1258 if (priv
->have_rekey_data
) {
1259 memset(&kek_kck_cmd
, 0, sizeof(kek_kck_cmd
));
1260 memcpy(kek_kck_cmd
.kck
, priv
->kck
, NL80211_KCK_LEN
);
1261 kek_kck_cmd
.kck_len
= cpu_to_le16(NL80211_KCK_LEN
);
1262 memcpy(kek_kck_cmd
.kek
, priv
->kek
, NL80211_KEK_LEN
);
1263 kek_kck_cmd
.kek_len
= cpu_to_le16(NL80211_KEK_LEN
);
1264 kek_kck_cmd
.replay_ctr
= priv
->replay_ctr
;
1266 ret
= iwl_dvm_send_cmd_pdu(priv
,
1267 REPLY_WOWLAN_KEK_KCK_MATERIAL
,
1268 CMD_SYNC
, sizeof(kek_kck_cmd
),
1275 ret
= iwl_dvm_send_cmd_pdu(priv
, REPLY_D3_CONFIG
, CMD_SYNC
,
1276 sizeof(d3_cfg_cmd
), &d3_cfg_cmd
);
1280 ret
= iwl_dvm_send_cmd_pdu(priv
, REPLY_WOWLAN_WAKEUP_FILTER
,
1281 CMD_SYNC
, sizeof(wakeup_filter_cmd
),
1282 &wakeup_filter_cmd
);
1286 ret
= iwlagn_send_patterns(priv
, wowlan
);
1288 kfree(key_data
.rsc_tsc
);
1293 int iwl_dvm_send_cmd(struct iwl_priv
*priv
, struct iwl_host_cmd
*cmd
)
1295 if (iwl_is_rfkill(priv
) || iwl_is_ctkill(priv
)) {
1296 IWL_WARN(priv
, "Not sending command - %s KILL\n",
1297 iwl_is_rfkill(priv
) ? "RF" : "CT");
1302 * Synchronous commands from this op-mode must hold
1303 * the mutex, this ensures we don't try to send two
1304 * (or more) synchronous commands at a time.
1306 if (cmd
->flags
& CMD_SYNC
)
1307 lockdep_assert_held(&priv
->mutex
);
1309 if (priv
->ucode_owner
== IWL_OWNERSHIP_TM
&&
1310 !(cmd
->flags
& CMD_ON_DEMAND
)) {
1311 IWL_DEBUG_HC(priv
, "tm own the uCode, no regular hcmd send\n");
1315 return iwl_trans_send_cmd(trans(priv
), cmd
);
1318 int iwl_dvm_send_cmd_pdu(struct iwl_priv
*priv
, u8 id
,
1319 u32 flags
, u16 len
, const void *data
)
1321 struct iwl_host_cmd cmd
= {
1328 return iwl_dvm_send_cmd(priv
, &cmd
);