1 /******************************************************************************
5 * Copyright(c) 2008 - 2013 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 COPYING.
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>
34 #include <net/mac80211.h>
37 #include "iwl-agn-hw.h"
38 #include "iwl-trans.h"
39 #include "iwl-modparams.h"
44 int iwlagn_hw_valid_rtc_data_addr(u32 addr
)
46 return (addr
>= IWLAGN_RTC_DATA_LOWER_BOUND
) &&
47 (addr
< IWLAGN_RTC_DATA_UPPER_BOUND
);
50 int iwlagn_send_tx_power(struct iwl_priv
*priv
)
52 struct iwlagn_tx_power_dbm_cmd tx_power_cmd
;
55 if (WARN_ONCE(test_bit(STATUS_SCAN_HW
, &priv
->status
),
56 "TX Power requested while scanning!\n"))
59 /* half dBm need to multiply */
60 tx_power_cmd
.global_lmt
= (s8
)(2 * priv
->tx_power_user_lmt
);
62 if (tx_power_cmd
.global_lmt
> priv
->nvm_data
->max_tx_pwr_half_dbm
) {
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
=
75 priv
->nvm_data
->max_tx_pwr_half_dbm
;
77 tx_power_cmd
.flags
= IWLAGN_TX_POWER_NO_CLOSED
;
78 tx_power_cmd
.srv_chan_lmt
= IWLAGN_TX_POWER_AUTO
;
80 if (IWL_UCODE_API(priv
->fw
->ucode_ver
) == 1)
81 tx_ant_cfg_cmd
= REPLY_TX_POWER_DBM_CMD_V1
;
83 tx_ant_cfg_cmd
= REPLY_TX_POWER_DBM_CMD
;
85 return iwl_dvm_send_cmd_pdu(priv
, tx_ant_cfg_cmd
, CMD_SYNC
,
86 sizeof(tx_power_cmd
), &tx_power_cmd
);
89 void iwlagn_temperature(struct iwl_priv
*priv
)
91 lockdep_assert_held(&priv
->statistics
.lock
);
93 /* store temperature from correct statistics (in Celsius) */
94 priv
->temperature
= le32_to_cpu(priv
->statistics
.common
.temperature
);
98 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags
, enum ieee80211_band band
)
103 /* HT rate format: mac80211 wants an MCS number, which is just LSB */
104 if (rate_n_flags
& RATE_MCS_HT_MSK
) {
105 idx
= (rate_n_flags
& 0xff);
107 /* Legacy rate format, search for match in table */
109 if (band
== IEEE80211_BAND_5GHZ
)
110 band_offset
= IWL_FIRST_OFDM_RATE
;
111 for (idx
= band_offset
; idx
< IWL_RATE_COUNT_LEGACY
; idx
++)
112 if (iwl_rates
[idx
].plcp
== (rate_n_flags
& 0xFF))
113 return idx
- band_offset
;
119 int iwlagn_manage_ibss_station(struct iwl_priv
*priv
,
120 struct ieee80211_vif
*vif
, bool add
)
122 struct iwl_vif_priv
*vif_priv
= (void *)vif
->drv_priv
;
125 return iwlagn_add_bssid_station(priv
, vif_priv
->ctx
,
127 &vif_priv
->ibss_bssid_sta_id
);
128 return iwl_remove_station(priv
, vif_priv
->ibss_bssid_sta_id
,
129 vif
->bss_conf
.bssid
);
133 * iwlagn_txfifo_flush: send REPLY_TXFIFO_FLUSH command to uCode
136 * 1. acquire mutex before calling
137 * 2. make sure rf is on and not in exit state
139 int iwlagn_txfifo_flush(struct iwl_priv
*priv
)
141 struct iwl_txfifo_flush_cmd flush_cmd
;
142 struct iwl_host_cmd cmd
= {
143 .id
= REPLY_TXFIFO_FLUSH
,
144 .len
= { sizeof(struct iwl_txfifo_flush_cmd
), },
146 .data
= { &flush_cmd
, },
149 memset(&flush_cmd
, 0, sizeof(flush_cmd
));
151 flush_cmd
.queue_control
= IWL_SCD_VO_MSK
| IWL_SCD_VI_MSK
|
152 IWL_SCD_BE_MSK
| IWL_SCD_BK_MSK
|
154 if ((priv
->valid_contexts
!= BIT(IWL_RXON_CTX_BSS
)))
155 flush_cmd
.queue_control
|= IWL_PAN_SCD_VO_MSK
|
159 IWL_PAN_SCD_MGMT_MSK
|
160 IWL_PAN_SCD_MULTICAST_MSK
;
162 if (priv
->nvm_data
->sku_cap_11n_enable
)
163 flush_cmd
.queue_control
|= IWL_AGG_TX_QUEUE_MSK
;
165 IWL_DEBUG_INFO(priv
, "queue control: 0x%x\n",
166 flush_cmd
.queue_control
);
167 flush_cmd
.flush_control
= cpu_to_le16(IWL_DROP_ALL
);
169 return iwl_dvm_send_cmd(priv
, &cmd
);
172 void iwlagn_dev_txfifo_flush(struct iwl_priv
*priv
)
174 mutex_lock(&priv
->mutex
);
175 ieee80211_stop_queues(priv
->hw
);
176 if (iwlagn_txfifo_flush(priv
)) {
177 IWL_ERR(priv
, "flush request fail\n");
180 IWL_DEBUG_INFO(priv
, "wait transmit/flush all frames\n");
181 iwl_trans_wait_tx_queue_empty(priv
->trans
);
183 ieee80211_wake_queues(priv
->hw
);
184 mutex_unlock(&priv
->mutex
);
191 static const __le32 iwlagn_def_3w_lookup
[IWLAGN_BT_DECISION_LUT_SIZE
] = {
192 cpu_to_le32(0xaaaaaaaa),
193 cpu_to_le32(0xaaaaaaaa),
194 cpu_to_le32(0xaeaaaaaa),
195 cpu_to_le32(0xaaaaaaaa),
196 cpu_to_le32(0xcc00ff28),
197 cpu_to_le32(0x0000aaaa),
198 cpu_to_le32(0xcc00aaaa),
199 cpu_to_le32(0x0000aaaa),
200 cpu_to_le32(0xc0004000),
201 cpu_to_le32(0x00004000),
202 cpu_to_le32(0xf0005000),
203 cpu_to_le32(0xf0005000),
208 static const __le32 iwlagn_loose_lookup
[IWLAGN_BT_DECISION_LUT_SIZE
] = {
209 cpu_to_le32(0xaaaaaaaa),
210 cpu_to_le32(0xaaaaaaaa),
211 cpu_to_le32(0xaeaaaaaa),
212 cpu_to_le32(0xaaaaaaaa),
213 cpu_to_le32(0xcc00ff28),
214 cpu_to_le32(0x0000aaaa),
215 cpu_to_le32(0xcc00aaaa),
216 cpu_to_le32(0x0000aaaa),
217 cpu_to_le32(0x00000000),
218 cpu_to_le32(0x00000000),
219 cpu_to_le32(0xf0005000),
220 cpu_to_le32(0xf0005000),
223 /* Full concurrency */
224 static const __le32 iwlagn_concurrent_lookup
[IWLAGN_BT_DECISION_LUT_SIZE
] = {
225 cpu_to_le32(0xaaaaaaaa),
226 cpu_to_le32(0xaaaaaaaa),
227 cpu_to_le32(0xaaaaaaaa),
228 cpu_to_le32(0xaaaaaaaa),
229 cpu_to_le32(0xaaaaaaaa),
230 cpu_to_le32(0xaaaaaaaa),
231 cpu_to_le32(0xaaaaaaaa),
232 cpu_to_le32(0xaaaaaaaa),
233 cpu_to_le32(0x00000000),
234 cpu_to_le32(0x00000000),
235 cpu_to_le32(0x00000000),
236 cpu_to_le32(0x00000000),
239 void iwlagn_send_advance_bt_config(struct iwl_priv
*priv
)
241 struct iwl_basic_bt_cmd basic
= {
242 .max_kill
= IWLAGN_BT_MAX_KILL_DEFAULT
,
243 .bt3_timer_t7_value
= IWLAGN_BT3_T7_DEFAULT
,
244 .bt3_prio_sample_time
= IWLAGN_BT3_PRIO_SAMPLE_DEFAULT
,
245 .bt3_timer_t2_value
= IWLAGN_BT3_T2_DEFAULT
,
247 struct iwl_bt_cmd_v1 bt_cmd_v1
;
248 struct iwl_bt_cmd_v2 bt_cmd_v2
;
251 BUILD_BUG_ON(sizeof(iwlagn_def_3w_lookup
) !=
252 sizeof(basic
.bt3_lookup_table
));
254 if (priv
->cfg
->bt_params
) {
256 * newer generation of devices (2000 series and newer)
257 * use the version 2 of the bt command
258 * we need to make sure sending the host command
259 * with correct data structure to avoid uCode assert
261 if (priv
->cfg
->bt_params
->bt_session_2
) {
262 bt_cmd_v2
.prio_boost
= cpu_to_le32(
263 priv
->cfg
->bt_params
->bt_prio_boost
);
264 bt_cmd_v2
.tx_prio_boost
= 0;
265 bt_cmd_v2
.rx_prio_boost
= 0;
267 /* older version only has 8 bits */
268 WARN_ON(priv
->cfg
->bt_params
->bt_prio_boost
& ~0xFF);
269 bt_cmd_v1
.prio_boost
=
270 priv
->cfg
->bt_params
->bt_prio_boost
;
271 bt_cmd_v1
.tx_prio_boost
= 0;
272 bt_cmd_v1
.rx_prio_boost
= 0;
275 IWL_ERR(priv
, "failed to construct BT Coex Config\n");
280 * Possible situations when BT needs to take over for receive,
281 * at the same time where STA needs to response to AP's frame(s),
282 * reduce the tx power of the required response frames, by that,
283 * allow the concurrent BT receive & WiFi transmit
284 * (BT - ANT A, WiFi -ANT B), without interference to one another
286 * Reduced tx power apply to control frames only (ACK/Back/CTS)
287 * when indicated by the BT config command
289 basic
.kill_ack_mask
= priv
->kill_ack_mask
;
290 basic
.kill_cts_mask
= priv
->kill_cts_mask
;
291 if (priv
->reduced_txpower
)
292 basic
.reduce_txpower
= IWLAGN_BT_REDUCED_TX_PWR
;
293 basic
.valid
= priv
->bt_valid
;
296 * Configure BT coex mode to "no coexistence" when the
297 * user disabled BT coexistence, we have no interface
298 * (might be in monitor mode), or the interface is in
299 * IBSS mode (no proper uCode support for coex then).
301 if (!iwlwifi_mod_params
.bt_coex_active
||
302 priv
->iw_mode
== NL80211_IFTYPE_ADHOC
) {
303 basic
.flags
= IWLAGN_BT_FLAG_COEX_MODE_DISABLED
;
305 basic
.flags
= IWLAGN_BT_FLAG_COEX_MODE_3W
<<
306 IWLAGN_BT_FLAG_COEX_MODE_SHIFT
;
308 if (!priv
->bt_enable_pspoll
)
309 basic
.flags
|= IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE
;
311 basic
.flags
&= ~IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE
;
313 if (priv
->bt_ch_announce
)
314 basic
.flags
|= IWLAGN_BT_FLAG_CHANNEL_INHIBITION
;
315 IWL_DEBUG_COEX(priv
, "BT coex flag: 0X%x\n", basic
.flags
);
317 priv
->bt_enable_flag
= basic
.flags
;
318 if (priv
->bt_full_concurrent
)
319 memcpy(basic
.bt3_lookup_table
, iwlagn_concurrent_lookup
,
320 sizeof(iwlagn_concurrent_lookup
));
322 memcpy(basic
.bt3_lookup_table
, iwlagn_def_3w_lookup
,
323 sizeof(iwlagn_def_3w_lookup
));
325 IWL_DEBUG_COEX(priv
, "BT coex %s in %s mode\n",
326 basic
.flags
? "active" : "disabled",
327 priv
->bt_full_concurrent
?
328 "full concurrency" : "3-wire");
330 if (priv
->cfg
->bt_params
->bt_session_2
) {
331 memcpy(&bt_cmd_v2
.basic
, &basic
,
333 ret
= iwl_dvm_send_cmd_pdu(priv
, REPLY_BT_CONFIG
,
334 CMD_SYNC
, sizeof(bt_cmd_v2
), &bt_cmd_v2
);
336 memcpy(&bt_cmd_v1
.basic
, &basic
,
338 ret
= iwl_dvm_send_cmd_pdu(priv
, REPLY_BT_CONFIG
,
339 CMD_SYNC
, sizeof(bt_cmd_v1
), &bt_cmd_v1
);
342 IWL_ERR(priv
, "failed to send BT Coex Config\n");
346 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv
*priv
, bool rssi_ena
)
348 struct iwl_rxon_context
*ctx
, *found_ctx
= NULL
;
349 bool found_ap
= false;
351 lockdep_assert_held(&priv
->mutex
);
353 /* Check whether AP or GO mode is active. */
355 for_each_context(priv
, ctx
) {
356 if (ctx
->vif
&& ctx
->vif
->type
== NL80211_IFTYPE_AP
&&
357 iwl_is_associated_ctx(ctx
)) {
365 * If disable was received or If GO/AP mode, disable RSSI
368 if (!rssi_ena
|| found_ap
) {
369 if (priv
->cur_rssi_ctx
) {
370 ctx
= priv
->cur_rssi_ctx
;
371 ieee80211_disable_rssi_reports(ctx
->vif
);
372 priv
->cur_rssi_ctx
= NULL
;
378 * If rssi measurements need to be enabled, consider all cases now.
379 * Figure out how many contexts are active.
381 for_each_context(priv
, ctx
) {
382 if (ctx
->vif
&& ctx
->vif
->type
== NL80211_IFTYPE_STATION
&&
383 iwl_is_associated_ctx(ctx
)) {
390 * rssi monitor already enabled for the correct interface...nothing
393 if (found_ctx
== priv
->cur_rssi_ctx
)
397 * Figure out if rssi monitor is currently enabled, and needs
398 * to be changed. If rssi monitor is already enabled, disable
399 * it first else just enable rssi measurements on the
400 * interface found above.
402 if (priv
->cur_rssi_ctx
) {
403 ctx
= priv
->cur_rssi_ctx
;
405 ieee80211_disable_rssi_reports(ctx
->vif
);
408 priv
->cur_rssi_ctx
= found_ctx
;
413 ieee80211_enable_rssi_reports(found_ctx
->vif
,
414 IWLAGN_BT_PSP_MIN_RSSI_THRESHOLD
,
415 IWLAGN_BT_PSP_MAX_RSSI_THRESHOLD
);
418 static bool iwlagn_bt_traffic_is_sco(struct iwl_bt_uart_msg
*uart_msg
)
420 return BT_UART_MSG_FRAME3SCOESCO_MSK
& uart_msg
->frame3
>>
421 BT_UART_MSG_FRAME3SCOESCO_POS
;
424 static void iwlagn_bt_traffic_change_work(struct work_struct
*work
)
426 struct iwl_priv
*priv
=
427 container_of(work
, struct iwl_priv
, bt_traffic_change_work
);
428 struct iwl_rxon_context
*ctx
;
429 int smps_request
= -1;
431 if (priv
->bt_enable_flag
== IWLAGN_BT_FLAG_COEX_MODE_DISABLED
) {
432 /* bt coex disabled */
437 * Note: bt_traffic_load can be overridden by scan complete and
438 * coex profile notifications. Ignore that since only bad consequence
439 * can be not matching debug print with actual state.
441 IWL_DEBUG_COEX(priv
, "BT traffic load changes: %d\n",
442 priv
->bt_traffic_load
);
444 switch (priv
->bt_traffic_load
) {
445 case IWL_BT_COEX_TRAFFIC_LOAD_NONE
:
447 smps_request
= IEEE80211_SMPS_DYNAMIC
;
449 smps_request
= IEEE80211_SMPS_AUTOMATIC
;
451 case IWL_BT_COEX_TRAFFIC_LOAD_LOW
:
452 smps_request
= IEEE80211_SMPS_DYNAMIC
;
454 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH
:
455 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS
:
456 smps_request
= IEEE80211_SMPS_STATIC
;
459 IWL_ERR(priv
, "Invalid BT traffic load: %d\n",
460 priv
->bt_traffic_load
);
464 mutex_lock(&priv
->mutex
);
467 * We can not send command to firmware while scanning. When the scan
468 * complete we will schedule this work again. We do check with mutex
469 * locked to prevent new scan request to arrive. We do not check
470 * STATUS_SCANNING to avoid race when queue_work two times from
471 * different notifications, but quit and not perform any work at all.
473 if (test_bit(STATUS_SCAN_HW
, &priv
->status
))
476 iwl_update_chain_flags(priv
);
478 if (smps_request
!= -1) {
479 priv
->current_ht_config
.smps
= smps_request
;
480 for_each_context(priv
, ctx
) {
481 if (ctx
->vif
&& ctx
->vif
->type
== NL80211_IFTYPE_STATION
)
482 ieee80211_request_smps(ctx
->vif
, smps_request
);
487 * Dynamic PS poll related functionality. Adjust RSSI measurements if
490 iwlagn_bt_coex_rssi_monitor(priv
);
492 mutex_unlock(&priv
->mutex
);
496 * If BT sco traffic, and RSSI monitor is enabled, move measurements to the
497 * correct interface or disable it if this is the last interface to be
500 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv
*priv
)
502 if (priv
->bt_is_sco
&&
503 priv
->bt_traffic_load
== IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS
)
504 iwlagn_bt_adjust_rssi_monitor(priv
, true);
506 iwlagn_bt_adjust_rssi_monitor(priv
, false);
509 static void iwlagn_print_uartmsg(struct iwl_priv
*priv
,
510 struct iwl_bt_uart_msg
*uart_msg
)
512 IWL_DEBUG_COEX(priv
, "Message Type = 0x%X, SSN = 0x%X, "
513 "Update Req = 0x%X\n",
514 (BT_UART_MSG_FRAME1MSGTYPE_MSK
& uart_msg
->frame1
) >>
515 BT_UART_MSG_FRAME1MSGTYPE_POS
,
516 (BT_UART_MSG_FRAME1SSN_MSK
& uart_msg
->frame1
) >>
517 BT_UART_MSG_FRAME1SSN_POS
,
518 (BT_UART_MSG_FRAME1UPDATEREQ_MSK
& uart_msg
->frame1
) >>
519 BT_UART_MSG_FRAME1UPDATEREQ_POS
);
521 IWL_DEBUG_COEX(priv
, "Open connections = 0x%X, Traffic load = 0x%X, "
522 "Chl_SeqN = 0x%X, In band = 0x%X\n",
523 (BT_UART_MSG_FRAME2OPENCONNECTIONS_MSK
& uart_msg
->frame2
) >>
524 BT_UART_MSG_FRAME2OPENCONNECTIONS_POS
,
525 (BT_UART_MSG_FRAME2TRAFFICLOAD_MSK
& uart_msg
->frame2
) >>
526 BT_UART_MSG_FRAME2TRAFFICLOAD_POS
,
527 (BT_UART_MSG_FRAME2CHLSEQN_MSK
& uart_msg
->frame2
) >>
528 BT_UART_MSG_FRAME2CHLSEQN_POS
,
529 (BT_UART_MSG_FRAME2INBAND_MSK
& uart_msg
->frame2
) >>
530 BT_UART_MSG_FRAME2INBAND_POS
);
532 IWL_DEBUG_COEX(priv
, "SCO/eSCO = 0x%X, Sniff = 0x%X, A2DP = 0x%X, "
533 "ACL = 0x%X, Master = 0x%X, OBEX = 0x%X\n",
534 (BT_UART_MSG_FRAME3SCOESCO_MSK
& uart_msg
->frame3
) >>
535 BT_UART_MSG_FRAME3SCOESCO_POS
,
536 (BT_UART_MSG_FRAME3SNIFF_MSK
& uart_msg
->frame3
) >>
537 BT_UART_MSG_FRAME3SNIFF_POS
,
538 (BT_UART_MSG_FRAME3A2DP_MSK
& uart_msg
->frame3
) >>
539 BT_UART_MSG_FRAME3A2DP_POS
,
540 (BT_UART_MSG_FRAME3ACL_MSK
& uart_msg
->frame3
) >>
541 BT_UART_MSG_FRAME3ACL_POS
,
542 (BT_UART_MSG_FRAME3MASTER_MSK
& uart_msg
->frame3
) >>
543 BT_UART_MSG_FRAME3MASTER_POS
,
544 (BT_UART_MSG_FRAME3OBEX_MSK
& uart_msg
->frame3
) >>
545 BT_UART_MSG_FRAME3OBEX_POS
);
547 IWL_DEBUG_COEX(priv
, "Idle duration = 0x%X\n",
548 (BT_UART_MSG_FRAME4IDLEDURATION_MSK
& uart_msg
->frame4
) >>
549 BT_UART_MSG_FRAME4IDLEDURATION_POS
);
551 IWL_DEBUG_COEX(priv
, "Tx Activity = 0x%X, Rx Activity = 0x%X, "
552 "eSCO Retransmissions = 0x%X\n",
553 (BT_UART_MSG_FRAME5TXACTIVITY_MSK
& uart_msg
->frame5
) >>
554 BT_UART_MSG_FRAME5TXACTIVITY_POS
,
555 (BT_UART_MSG_FRAME5RXACTIVITY_MSK
& uart_msg
->frame5
) >>
556 BT_UART_MSG_FRAME5RXACTIVITY_POS
,
557 (BT_UART_MSG_FRAME5ESCORETRANSMIT_MSK
& uart_msg
->frame5
) >>
558 BT_UART_MSG_FRAME5ESCORETRANSMIT_POS
);
560 IWL_DEBUG_COEX(priv
, "Sniff Interval = 0x%X, Discoverable = 0x%X\n",
561 (BT_UART_MSG_FRAME6SNIFFINTERVAL_MSK
& uart_msg
->frame6
) >>
562 BT_UART_MSG_FRAME6SNIFFINTERVAL_POS
,
563 (BT_UART_MSG_FRAME6DISCOVERABLE_MSK
& uart_msg
->frame6
) >>
564 BT_UART_MSG_FRAME6DISCOVERABLE_POS
);
566 IWL_DEBUG_COEX(priv
, "Sniff Activity = 0x%X, Page = "
567 "0x%X, Inquiry = 0x%X, Connectable = 0x%X\n",
568 (BT_UART_MSG_FRAME7SNIFFACTIVITY_MSK
& uart_msg
->frame7
) >>
569 BT_UART_MSG_FRAME7SNIFFACTIVITY_POS
,
570 (BT_UART_MSG_FRAME7PAGE_MSK
& uart_msg
->frame7
) >>
571 BT_UART_MSG_FRAME7PAGE_POS
,
572 (BT_UART_MSG_FRAME7INQUIRY_MSK
& uart_msg
->frame7
) >>
573 BT_UART_MSG_FRAME7INQUIRY_POS
,
574 (BT_UART_MSG_FRAME7CONNECTABLE_MSK
& uart_msg
->frame7
) >>
575 BT_UART_MSG_FRAME7CONNECTABLE_POS
);
578 static bool iwlagn_set_kill_msk(struct iwl_priv
*priv
,
579 struct iwl_bt_uart_msg
*uart_msg
)
581 bool need_update
= false;
582 u8 kill_msk
= IWL_BT_KILL_REDUCE
;
583 static const __le32 bt_kill_ack_msg
[3] = {
584 IWLAGN_BT_KILL_ACK_MASK_DEFAULT
,
585 IWLAGN_BT_KILL_ACK_CTS_MASK_SCO
,
586 IWLAGN_BT_KILL_ACK_CTS_MASK_REDUCE
};
587 static const __le32 bt_kill_cts_msg
[3] = {
588 IWLAGN_BT_KILL_CTS_MASK_DEFAULT
,
589 IWLAGN_BT_KILL_ACK_CTS_MASK_SCO
,
590 IWLAGN_BT_KILL_ACK_CTS_MASK_REDUCE
};
592 if (!priv
->reduced_txpower
)
593 kill_msk
= (BT_UART_MSG_FRAME3SCOESCO_MSK
& uart_msg
->frame3
)
594 ? IWL_BT_KILL_OVERRIDE
: IWL_BT_KILL_DEFAULT
;
595 if (priv
->kill_ack_mask
!= bt_kill_ack_msg
[kill_msk
] ||
596 priv
->kill_cts_mask
!= bt_kill_cts_msg
[kill_msk
]) {
597 priv
->bt_valid
|= IWLAGN_BT_VALID_KILL_ACK_MASK
;
598 priv
->kill_ack_mask
= bt_kill_ack_msg
[kill_msk
];
599 priv
->bt_valid
|= IWLAGN_BT_VALID_KILL_CTS_MASK
;
600 priv
->kill_cts_mask
= bt_kill_cts_msg
[kill_msk
];
607 * Upon RSSI changes, sends a bt config command with following changes
608 * 1. enable/disable "reduced control frames tx power
609 * 2. update the "kill)ack_mask" and "kill_cts_mask"
611 * If "reduced tx power" is enabled, uCode shall
612 * 1. ACK/Back/CTS rate shall reduced to 6Mbps
613 * 2. not use duplciate 20/40MHz mode
615 static bool iwlagn_fill_txpower_mode(struct iwl_priv
*priv
,
616 struct iwl_bt_uart_msg
*uart_msg
)
618 bool need_update
= false;
619 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_BSS
];
622 if (!ctx
->vif
|| (ctx
->vif
->type
!= NL80211_IFTYPE_STATION
)) {
623 IWL_DEBUG_INFO(priv
, "BSS ctx not active or not in sta mode\n");
627 ave_rssi
= ieee80211_ave_rssi(ctx
->vif
);
629 /* no rssi data, no changes to reduce tx power */
630 IWL_DEBUG_COEX(priv
, "no rssi data available\n");
633 if (!priv
->reduced_txpower
&&
634 !iwl_is_associated(priv
, IWL_RXON_CTX_PAN
) &&
635 (ave_rssi
> BT_ENABLE_REDUCED_TXPOWER_THRESHOLD
) &&
636 (uart_msg
->frame3
& (BT_UART_MSG_FRAME3ACL_MSK
|
637 BT_UART_MSG_FRAME3OBEX_MSK
)) &&
638 !(uart_msg
->frame3
& (BT_UART_MSG_FRAME3SCOESCO_MSK
|
639 BT_UART_MSG_FRAME3SNIFF_MSK
| BT_UART_MSG_FRAME3A2DP_MSK
))) {
640 /* enabling reduced tx power */
641 priv
->reduced_txpower
= true;
642 priv
->bt_valid
|= IWLAGN_BT_VALID_REDUCED_TX_PWR
;
644 } else if (priv
->reduced_txpower
&&
645 (iwl_is_associated(priv
, IWL_RXON_CTX_PAN
) ||
646 (ave_rssi
< BT_DISABLE_REDUCED_TXPOWER_THRESHOLD
) ||
647 (uart_msg
->frame3
& (BT_UART_MSG_FRAME3SCOESCO_MSK
|
648 BT_UART_MSG_FRAME3SNIFF_MSK
| BT_UART_MSG_FRAME3A2DP_MSK
)) ||
649 !(uart_msg
->frame3
& (BT_UART_MSG_FRAME3ACL_MSK
|
650 BT_UART_MSG_FRAME3OBEX_MSK
)))) {
651 /* disable reduced tx power */
652 priv
->reduced_txpower
= false;
653 priv
->bt_valid
|= IWLAGN_BT_VALID_REDUCED_TX_PWR
;
660 int iwlagn_bt_coex_profile_notif(struct iwl_priv
*priv
,
661 struct iwl_rx_cmd_buffer
*rxb
,
662 struct iwl_device_cmd
*cmd
)
664 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
665 struct iwl_bt_coex_profile_notif
*coex
= (void *)pkt
->data
;
666 struct iwl_bt_uart_msg
*uart_msg
= &coex
->last_bt_uart_msg
;
668 if (priv
->bt_enable_flag
== IWLAGN_BT_FLAG_COEX_MODE_DISABLED
) {
669 /* bt coex disabled */
673 IWL_DEBUG_COEX(priv
, "BT Coex notification:\n");
674 IWL_DEBUG_COEX(priv
, " status: %d\n", coex
->bt_status
);
675 IWL_DEBUG_COEX(priv
, " traffic load: %d\n", coex
->bt_traffic_load
);
676 IWL_DEBUG_COEX(priv
, " CI compliance: %d\n",
677 coex
->bt_ci_compliance
);
678 iwlagn_print_uartmsg(priv
, uart_msg
);
680 priv
->last_bt_traffic_load
= priv
->bt_traffic_load
;
681 priv
->bt_is_sco
= iwlagn_bt_traffic_is_sco(uart_msg
);
683 if (priv
->iw_mode
!= NL80211_IFTYPE_ADHOC
) {
684 if (priv
->bt_status
!= coex
->bt_status
||
685 priv
->last_bt_traffic_load
!= coex
->bt_traffic_load
) {
686 if (coex
->bt_status
) {
688 if (!priv
->bt_ch_announce
)
689 priv
->bt_traffic_load
=
690 IWL_BT_COEX_TRAFFIC_LOAD_HIGH
;
692 priv
->bt_traffic_load
=
693 coex
->bt_traffic_load
;
696 priv
->bt_traffic_load
=
697 IWL_BT_COEX_TRAFFIC_LOAD_NONE
;
699 priv
->bt_status
= coex
->bt_status
;
700 queue_work(priv
->workqueue
,
701 &priv
->bt_traffic_change_work
);
705 /* schedule to send runtime bt_config */
706 /* check reduce power before change ack/cts kill mask */
707 if (iwlagn_fill_txpower_mode(priv
, uart_msg
) ||
708 iwlagn_set_kill_msk(priv
, uart_msg
))
709 queue_work(priv
->workqueue
, &priv
->bt_runtime_config
);
712 /* FIXME: based on notification, adjust the prio_boost */
714 priv
->bt_ci_compliance
= coex
->bt_ci_compliance
;
718 void iwlagn_bt_rx_handler_setup(struct iwl_priv
*priv
)
720 priv
->rx_handlers
[REPLY_BT_COEX_PROFILE_NOTIF
] =
721 iwlagn_bt_coex_profile_notif
;
724 void iwlagn_bt_setup_deferred_work(struct iwl_priv
*priv
)
726 INIT_WORK(&priv
->bt_traffic_change_work
,
727 iwlagn_bt_traffic_change_work
);
730 void iwlagn_bt_cancel_deferred_work(struct iwl_priv
*priv
)
732 cancel_work_sync(&priv
->bt_traffic_change_work
);
735 static bool is_single_rx_stream(struct iwl_priv
*priv
)
737 return priv
->current_ht_config
.smps
== IEEE80211_SMPS_STATIC
||
738 priv
->current_ht_config
.single_chain_sufficient
;
741 #define IWL_NUM_RX_CHAINS_MULTIPLE 3
742 #define IWL_NUM_RX_CHAINS_SINGLE 2
743 #define IWL_NUM_IDLE_CHAINS_DUAL 2
744 #define IWL_NUM_IDLE_CHAINS_SINGLE 1
747 * Determine how many receiver/antenna chains to use.
749 * More provides better reception via diversity. Fewer saves power
750 * at the expense of throughput, but only when not in powersave to
753 * MIMO (dual stream) requires at least 2, but works better with 3.
754 * This does not determine *which* chains to use, just how many.
756 static int iwl_get_active_rx_chain_count(struct iwl_priv
*priv
)
758 if (priv
->cfg
->bt_params
&&
759 priv
->cfg
->bt_params
->advanced_bt_coexist
&&
760 (priv
->bt_full_concurrent
||
761 priv
->bt_traffic_load
>= IWL_BT_COEX_TRAFFIC_LOAD_HIGH
)) {
763 * only use chain 'A' in bt high traffic load or
764 * full concurrency mode
766 return IWL_NUM_RX_CHAINS_SINGLE
;
768 /* # of Rx chains to use when expecting MIMO. */
769 if (is_single_rx_stream(priv
))
770 return IWL_NUM_RX_CHAINS_SINGLE
;
772 return IWL_NUM_RX_CHAINS_MULTIPLE
;
776 * When we are in power saving mode, unless device support spatial
777 * multiplexing power save, use the active count for rx chain count.
779 static int iwl_get_idle_rx_chain_count(struct iwl_priv
*priv
, int active_cnt
)
781 /* # Rx chains when idling, depending on SMPS mode */
782 switch (priv
->current_ht_config
.smps
) {
783 case IEEE80211_SMPS_STATIC
:
784 case IEEE80211_SMPS_DYNAMIC
:
785 return IWL_NUM_IDLE_CHAINS_SINGLE
;
786 case IEEE80211_SMPS_AUTOMATIC
:
787 case IEEE80211_SMPS_OFF
:
790 WARN(1, "invalid SMPS mode %d",
791 priv
->current_ht_config
.smps
);
797 static u8
iwl_count_chain_bitmap(u32 chain_bitmap
)
800 res
= (chain_bitmap
& BIT(0)) >> 0;
801 res
+= (chain_bitmap
& BIT(1)) >> 1;
802 res
+= (chain_bitmap
& BIT(2)) >> 2;
803 res
+= (chain_bitmap
& BIT(3)) >> 3;
808 * iwlagn_set_rxon_chain - Set up Rx chain usage in "staging" RXON image
810 * Selects how many and which Rx receivers/antennas/chains to use.
811 * This should not be used for scan command ... it puts data in wrong place.
813 void iwlagn_set_rxon_chain(struct iwl_priv
*priv
, struct iwl_rxon_context
*ctx
)
815 bool is_single
= is_single_rx_stream(priv
);
816 bool is_cam
= !test_bit(STATUS_POWER_PMI
, &priv
->status
);
817 u8 idle_rx_cnt
, active_rx_cnt
, valid_rx_cnt
;
821 /* Tell uCode which antennas are actually connected.
822 * Before first association, we assume all antennas are connected.
823 * Just after first association, iwl_chain_noise_calibration()
824 * checks which antennas actually *are* connected. */
825 if (priv
->chain_noise_data
.active_chains
)
826 active_chains
= priv
->chain_noise_data
.active_chains
;
828 active_chains
= priv
->nvm_data
->valid_rx_ant
;
830 if (priv
->cfg
->bt_params
&&
831 priv
->cfg
->bt_params
->advanced_bt_coexist
&&
832 (priv
->bt_full_concurrent
||
833 priv
->bt_traffic_load
>= IWL_BT_COEX_TRAFFIC_LOAD_HIGH
)) {
835 * only use chain 'A' in bt high traffic load or
836 * full concurrency mode
838 active_chains
= first_antenna(active_chains
);
841 rx_chain
= active_chains
<< RXON_RX_CHAIN_VALID_POS
;
843 /* How many receivers should we use? */
844 active_rx_cnt
= iwl_get_active_rx_chain_count(priv
);
845 idle_rx_cnt
= iwl_get_idle_rx_chain_count(priv
, active_rx_cnt
);
848 /* correct rx chain count according hw settings
849 * and chain noise calibration
851 valid_rx_cnt
= iwl_count_chain_bitmap(active_chains
);
852 if (valid_rx_cnt
< active_rx_cnt
)
853 active_rx_cnt
= valid_rx_cnt
;
855 if (valid_rx_cnt
< idle_rx_cnt
)
856 idle_rx_cnt
= valid_rx_cnt
;
858 rx_chain
|= active_rx_cnt
<< RXON_RX_CHAIN_MIMO_CNT_POS
;
859 rx_chain
|= idle_rx_cnt
<< RXON_RX_CHAIN_CNT_POS
;
861 ctx
->staging
.rx_chain
= cpu_to_le16(rx_chain
);
863 if (!is_single
&& (active_rx_cnt
>= IWL_NUM_RX_CHAINS_SINGLE
) && is_cam
)
864 ctx
->staging
.rx_chain
|= RXON_RX_CHAIN_MIMO_FORCE_MSK
;
866 ctx
->staging
.rx_chain
&= ~RXON_RX_CHAIN_MIMO_FORCE_MSK
;
868 IWL_DEBUG_ASSOC(priv
, "rx_chain=0x%X active=%d idle=%d\n",
869 ctx
->staging
.rx_chain
,
870 active_rx_cnt
, idle_rx_cnt
);
872 WARN_ON(active_rx_cnt
== 0 || idle_rx_cnt
== 0 ||
873 active_rx_cnt
< idle_rx_cnt
);
876 u8
iwl_toggle_tx_ant(struct iwl_priv
*priv
, u8 ant
, u8 valid
)
881 if (priv
->band
== IEEE80211_BAND_2GHZ
&&
882 priv
->bt_traffic_load
>= IWL_BT_COEX_TRAFFIC_LOAD_HIGH
)
885 for (i
= 0; i
< RATE_ANT_NUM
- 1; i
++) {
886 ind
= (ind
+ 1) < RATE_ANT_NUM
? ind
+ 1 : 0;
887 if (valid
& BIT(ind
))
893 #ifdef CONFIG_PM_SLEEP
894 static void iwlagn_convert_p1k(u16
*p1k
, __le16
*out
)
898 for (i
= 0; i
< IWLAGN_P1K_SIZE
; i
++)
899 out
[i
] = cpu_to_le16(p1k
[i
]);
902 struct wowlan_key_data
{
903 struct iwl_rxon_context
*ctx
;
904 struct iwlagn_wowlan_rsc_tsc_params_cmd
*rsc_tsc
;
905 struct iwlagn_wowlan_tkip_params_cmd
*tkip
;
907 bool error
, use_rsc_tsc
, use_tkip
;
911 static void iwlagn_wowlan_program_keys(struct ieee80211_hw
*hw
,
912 struct ieee80211_vif
*vif
,
913 struct ieee80211_sta
*sta
,
914 struct ieee80211_key_conf
*key
,
917 struct iwl_priv
*priv
= IWL_MAC80211_GET_DVM(hw
);
918 struct wowlan_key_data
*data
= _data
;
919 struct iwl_rxon_context
*ctx
= data
->ctx
;
920 struct aes_sc
*aes_sc
, *aes_tx_sc
= NULL
;
921 struct tkip_sc
*tkip_sc
, *tkip_tx_sc
= NULL
;
922 struct iwlagn_p1k_cache
*rx_p1ks
;
924 struct ieee80211_key_seq seq
;
926 u16 p1k
[IWLAGN_P1K_SIZE
];
929 mutex_lock(&priv
->mutex
);
931 if ((key
->cipher
== WLAN_CIPHER_SUITE_WEP40
||
932 key
->cipher
== WLAN_CIPHER_SUITE_WEP104
) &&
933 !sta
&& !ctx
->key_mapping_keys
)
934 ret
= iwl_set_default_wep_key(priv
, ctx
, key
);
936 ret
= iwl_set_dynamic_key(priv
, ctx
, key
, sta
);
939 IWL_ERR(priv
, "Error setting key during suspend!\n");
943 switch (key
->cipher
) {
944 case WLAN_CIPHER_SUITE_TKIP
:
946 tkip_sc
= data
->rsc_tsc
->all_tsc_rsc
.tkip
.unicast_rsc
;
947 tkip_tx_sc
= &data
->rsc_tsc
->all_tsc_rsc
.tkip
.tsc
;
949 rx_p1ks
= data
->tkip
->rx_uni
;
951 ieee80211_get_key_tx_seq(key
, &seq
);
952 tkip_tx_sc
->iv16
= cpu_to_le16(seq
.tkip
.iv16
);
953 tkip_tx_sc
->iv32
= cpu_to_le32(seq
.tkip
.iv32
);
955 ieee80211_get_tkip_p1k_iv(key
, seq
.tkip
.iv32
, p1k
);
956 iwlagn_convert_p1k(p1k
, data
->tkip
->tx
.p1k
);
958 memcpy(data
->tkip
->mic_keys
.tx
,
959 &key
->key
[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY
],
960 IWLAGN_MIC_KEY_SIZE
);
962 rx_mic_key
= data
->tkip
->mic_keys
.rx_unicast
;
965 data
->rsc_tsc
->all_tsc_rsc
.tkip
.multicast_rsc
;
966 rx_p1ks
= data
->tkip
->rx_multi
;
967 rx_mic_key
= data
->tkip
->mic_keys
.rx_mcast
;
971 * For non-QoS this relies on the fact that both the uCode and
972 * mac80211 use TID 0 (as they need to to avoid replay attacks)
973 * for checking the IV in the frames.
975 for (i
= 0; i
< IWLAGN_NUM_RSC
; i
++) {
976 ieee80211_get_key_rx_seq(key
, i
, &seq
);
977 tkip_sc
[i
].iv16
= cpu_to_le16(seq
.tkip
.iv16
);
978 tkip_sc
[i
].iv32
= cpu_to_le32(seq
.tkip
.iv32
);
979 /* wrapping isn't allowed, AP must rekey */
980 if (seq
.tkip
.iv32
> cur_rx_iv32
)
981 cur_rx_iv32
= seq
.tkip
.iv32
;
984 ieee80211_get_tkip_rx_p1k(key
, data
->bssid
, cur_rx_iv32
, p1k
);
985 iwlagn_convert_p1k(p1k
, rx_p1ks
[0].p1k
);
986 ieee80211_get_tkip_rx_p1k(key
, data
->bssid
,
987 cur_rx_iv32
+ 1, p1k
);
988 iwlagn_convert_p1k(p1k
, rx_p1ks
[1].p1k
);
991 &key
->key
[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY
],
992 IWLAGN_MIC_KEY_SIZE
);
994 data
->use_tkip
= true;
995 data
->use_rsc_tsc
= true;
997 case WLAN_CIPHER_SUITE_CCMP
:
999 u8
*pn
= seq
.ccmp
.pn
;
1001 aes_sc
= data
->rsc_tsc
->all_tsc_rsc
.aes
.unicast_rsc
;
1002 aes_tx_sc
= &data
->rsc_tsc
->all_tsc_rsc
.aes
.tsc
;
1004 ieee80211_get_key_tx_seq(key
, &seq
);
1005 aes_tx_sc
->pn
= cpu_to_le64(
1008 ((u64
)pn
[3] << 16) |
1009 ((u64
)pn
[2] << 24) |
1010 ((u64
)pn
[1] << 32) |
1011 ((u64
)pn
[0] << 40));
1013 aes_sc
= data
->rsc_tsc
->all_tsc_rsc
.aes
.multicast_rsc
;
1016 * For non-QoS this relies on the fact that both the uCode and
1017 * mac80211 use TID 0 for checking the IV in the frames.
1019 for (i
= 0; i
< IWLAGN_NUM_RSC
; i
++) {
1020 u8
*pn
= seq
.ccmp
.pn
;
1022 ieee80211_get_key_rx_seq(key
, i
, &seq
);
1023 aes_sc
->pn
= cpu_to_le64(
1026 ((u64
)pn
[3] << 16) |
1027 ((u64
)pn
[2] << 24) |
1028 ((u64
)pn
[1] << 32) |
1029 ((u64
)pn
[0] << 40));
1031 data
->use_rsc_tsc
= true;
1035 mutex_unlock(&priv
->mutex
);
1038 int iwlagn_send_patterns(struct iwl_priv
*priv
,
1039 struct cfg80211_wowlan
*wowlan
)
1041 struct iwlagn_wowlan_patterns_cmd
*pattern_cmd
;
1042 struct iwl_host_cmd cmd
= {
1043 .id
= REPLY_WOWLAN_PATTERNS
,
1044 .dataflags
[0] = IWL_HCMD_DFL_NOCOPY
,
1049 if (!wowlan
->n_patterns
)
1052 cmd
.len
[0] = sizeof(*pattern_cmd
) +
1053 wowlan
->n_patterns
* sizeof(struct iwlagn_wowlan_pattern
);
1055 pattern_cmd
= kmalloc(cmd
.len
[0], GFP_KERNEL
);
1059 pattern_cmd
->n_patterns
= cpu_to_le32(wowlan
->n_patterns
);
1061 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
1062 int mask_len
= DIV_ROUND_UP(wowlan
->patterns
[i
].pattern_len
, 8);
1064 memcpy(&pattern_cmd
->patterns
[i
].mask
,
1065 wowlan
->patterns
[i
].mask
, mask_len
);
1066 memcpy(&pattern_cmd
->patterns
[i
].pattern
,
1067 wowlan
->patterns
[i
].pattern
,
1068 wowlan
->patterns
[i
].pattern_len
);
1069 pattern_cmd
->patterns
[i
].mask_size
= mask_len
;
1070 pattern_cmd
->patterns
[i
].pattern_size
=
1071 wowlan
->patterns
[i
].pattern_len
;
1074 cmd
.data
[0] = pattern_cmd
;
1075 err
= iwl_dvm_send_cmd(priv
, &cmd
);
1080 int iwlagn_suspend(struct iwl_priv
*priv
, struct cfg80211_wowlan
*wowlan
)
1082 struct iwlagn_wowlan_wakeup_filter_cmd wakeup_filter_cmd
;
1083 struct iwl_rxon_cmd rxon
;
1084 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_BSS
];
1085 struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd
;
1086 struct iwlagn_wowlan_tkip_params_cmd tkip_cmd
= {};
1087 struct iwlagn_d3_config_cmd d3_cfg_cmd
= {};
1088 struct wowlan_key_data key_data
= {
1090 .bssid
= ctx
->active
.bssid_addr
,
1091 .use_rsc_tsc
= false,
1098 key_data
.rsc_tsc
= kzalloc(sizeof(*key_data
.rsc_tsc
), GFP_KERNEL
);
1099 if (!key_data
.rsc_tsc
)
1102 memset(&wakeup_filter_cmd
, 0, sizeof(wakeup_filter_cmd
));
1105 * We know the last used seqno, and the uCode expects to know that
1106 * one, it will increment before TX.
1108 seq
= le16_to_cpu(priv
->last_seq_ctl
) & IEEE80211_SCTL_SEQ
;
1109 wakeup_filter_cmd
.non_qos_seq
= cpu_to_le16(seq
);
1112 * For QoS counters, we store the one to use next, so subtract 0x10
1113 * since the uCode will add 0x10 before using the value.
1115 for (i
= 0; i
< IWL_MAX_TID_COUNT
; i
++) {
1116 seq
= priv
->tid_data
[IWL_AP_ID
][i
].seq_number
;
1118 wakeup_filter_cmd
.qos_seq
[i
] = cpu_to_le16(seq
);
1121 if (wowlan
->disconnect
)
1122 wakeup_filter_cmd
.enabled
|=
1123 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_BEACON_MISS
|
1124 IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE
);
1125 if (wowlan
->magic_pkt
)
1126 wakeup_filter_cmd
.enabled
|=
1127 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET
);
1128 if (wowlan
->gtk_rekey_failure
)
1129 wakeup_filter_cmd
.enabled
|=
1130 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL
);
1131 if (wowlan
->eap_identity_req
)
1132 wakeup_filter_cmd
.enabled
|=
1133 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ
);
1134 if (wowlan
->four_way_handshake
)
1135 wakeup_filter_cmd
.enabled
|=
1136 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE
);
1137 if (wowlan
->n_patterns
)
1138 wakeup_filter_cmd
.enabled
|=
1139 cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH
);
1141 if (wowlan
->rfkill_release
)
1142 d3_cfg_cmd
.wakeup_flags
|=
1143 cpu_to_le32(IWLAGN_D3_WAKEUP_RFKILL
);
1145 iwl_scan_cancel_timeout(priv
, 200);
1147 memcpy(&rxon
, &ctx
->active
, sizeof(rxon
));
1149 priv
->ucode_loaded
= false;
1150 iwl_trans_stop_device(priv
->trans
);
1152 priv
->wowlan
= true;
1154 ret
= iwl_load_ucode_wait_alive(priv
, IWL_UCODE_WOWLAN
);
1158 /* now configure WoWLAN ucode */
1159 ret
= iwl_alive_start(priv
);
1163 memcpy(&ctx
->staging
, &rxon
, sizeof(rxon
));
1164 ret
= iwlagn_commit_rxon(priv
, ctx
);
1168 ret
= iwl_power_update_mode(priv
, true);
1172 if (!iwlwifi_mod_params
.sw_crypto
) {
1173 /* mark all keys clear */
1174 priv
->ucode_key_table
= 0;
1175 ctx
->key_mapping_keys
= 0;
1178 * This needs to be unlocked due to lock ordering
1179 * constraints. Since we're in the suspend path
1180 * that isn't really a problem though.
1182 mutex_unlock(&priv
->mutex
);
1183 ieee80211_iter_keys(priv
->hw
, ctx
->vif
,
1184 iwlagn_wowlan_program_keys
,
1186 mutex_lock(&priv
->mutex
);
1187 if (key_data
.error
) {
1192 if (key_data
.use_rsc_tsc
) {
1193 struct iwl_host_cmd rsc_tsc_cmd
= {
1194 .id
= REPLY_WOWLAN_TSC_RSC_PARAMS
,
1196 .data
[0] = key_data
.rsc_tsc
,
1197 .dataflags
[0] = IWL_HCMD_DFL_NOCOPY
,
1198 .len
[0] = sizeof(*key_data
.rsc_tsc
),
1201 ret
= iwl_dvm_send_cmd(priv
, &rsc_tsc_cmd
);
1206 if (key_data
.use_tkip
) {
1207 ret
= iwl_dvm_send_cmd_pdu(priv
,
1208 REPLY_WOWLAN_TKIP_PARAMS
,
1209 CMD_SYNC
, sizeof(tkip_cmd
),
1215 if (priv
->have_rekey_data
) {
1216 memset(&kek_kck_cmd
, 0, sizeof(kek_kck_cmd
));
1217 memcpy(kek_kck_cmd
.kck
, priv
->kck
, NL80211_KCK_LEN
);
1218 kek_kck_cmd
.kck_len
= cpu_to_le16(NL80211_KCK_LEN
);
1219 memcpy(kek_kck_cmd
.kek
, priv
->kek
, NL80211_KEK_LEN
);
1220 kek_kck_cmd
.kek_len
= cpu_to_le16(NL80211_KEK_LEN
);
1221 kek_kck_cmd
.replay_ctr
= priv
->replay_ctr
;
1223 ret
= iwl_dvm_send_cmd_pdu(priv
,
1224 REPLY_WOWLAN_KEK_KCK_MATERIAL
,
1225 CMD_SYNC
, sizeof(kek_kck_cmd
),
1232 ret
= iwl_dvm_send_cmd_pdu(priv
, REPLY_D3_CONFIG
, CMD_SYNC
,
1233 sizeof(d3_cfg_cmd
), &d3_cfg_cmd
);
1237 ret
= iwl_dvm_send_cmd_pdu(priv
, REPLY_WOWLAN_WAKEUP_FILTER
,
1238 CMD_SYNC
, sizeof(wakeup_filter_cmd
),
1239 &wakeup_filter_cmd
);
1243 ret
= iwlagn_send_patterns(priv
, wowlan
);
1245 kfree(key_data
.rsc_tsc
);
1250 int iwl_dvm_send_cmd(struct iwl_priv
*priv
, struct iwl_host_cmd
*cmd
)
1252 if (iwl_is_rfkill(priv
) || iwl_is_ctkill(priv
)) {
1253 IWL_WARN(priv
, "Not sending command - %s KILL\n",
1254 iwl_is_rfkill(priv
) ? "RF" : "CT");
1258 if (test_bit(STATUS_FW_ERROR
, &priv
->status
)) {
1259 IWL_ERR(priv
, "Command %s failed: FW Error\n",
1260 iwl_dvm_get_cmd_string(cmd
->id
));
1265 * Synchronous commands from this op-mode must hold
1266 * the mutex, this ensures we don't try to send two
1267 * (or more) synchronous commands at a time.
1269 if (!(cmd
->flags
& CMD_ASYNC
))
1270 lockdep_assert_held(&priv
->mutex
);
1272 if (priv
->ucode_owner
== IWL_OWNERSHIP_TM
&&
1273 !(cmd
->flags
& CMD_ON_DEMAND
)) {
1274 IWL_DEBUG_HC(priv
, "tm own the uCode, no regular hcmd send\n");
1278 return iwl_trans_send_cmd(priv
->trans
, cmd
);
1281 int iwl_dvm_send_cmd_pdu(struct iwl_priv
*priv
, u8 id
,
1282 u32 flags
, u16 len
, const void *data
)
1284 struct iwl_host_cmd cmd
= {
1291 return iwl_dvm_send_cmd(priv
, &cmd
);