1 /******************************************************************************
3 * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
5 * Portions of this file are derived from the ipw3945 project, as well
6 * as portions of the ieee80211 subsystem header files.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of version 2 of the GNU General Public License as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
21 * The full GNU General Public License is included in this distribution in the
22 * file called LICENSE.
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/kernel.h>
30 #include <linux/module.h>
31 #include <linux/init.h>
32 #include <linux/slab.h>
33 #include <linux/delay.h>
34 #include <linux/sched.h>
35 #include <linux/skbuff.h>
36 #include <linux/netdevice.h>
37 #include <linux/firmware.h>
38 #include <linux/etherdevice.h>
39 #include <linux/if_arp.h>
41 #include <net/mac80211.h>
43 #include <asm/div64.h>
45 #include "iwl-eeprom.h"
50 #include "iwl-agn-calib.h"
52 #include "iwl-shared.h"
54 #include "iwl-trans.h"
56 /******************************************************************************
60 ******************************************************************************/
63 * module name, copyright, version, etc.
65 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux"
67 #ifdef CONFIG_IWLWIFI_DEBUG
73 #define DRV_VERSION IWLWIFI_VERSION VD
76 MODULE_DESCRIPTION(DRV_DESCRIPTION
);
77 MODULE_VERSION(DRV_VERSION
);
78 MODULE_AUTHOR(DRV_COPYRIGHT
" " DRV_AUTHOR
);
79 MODULE_LICENSE("GPL");
80 MODULE_ALIAS("iwlagn");
82 void iwl_update_chain_flags(struct iwl_priv
*priv
)
84 struct iwl_rxon_context
*ctx
;
86 for_each_context(priv
, ctx
) {
87 iwlagn_set_rxon_chain(priv
, ctx
);
88 if (ctx
->active
.rx_chain
!= ctx
->staging
.rx_chain
)
89 iwlagn_commit_rxon(priv
, ctx
);
93 /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */
94 static void iwl_set_beacon_tim(struct iwl_priv
*priv
,
95 struct iwl_tx_beacon_cmd
*tx_beacon_cmd
,
96 u8
*beacon
, u32 frame_size
)
99 struct ieee80211_mgmt
*mgmt
= (struct ieee80211_mgmt
*)beacon
;
102 * The index is relative to frame start but we start looking at the
103 * variable-length part of the beacon.
105 tim_idx
= mgmt
->u
.beacon
.variable
- beacon
;
107 /* Parse variable-length elements of beacon to find WLAN_EID_TIM */
108 while ((tim_idx
< (frame_size
- 2)) &&
109 (beacon
[tim_idx
] != WLAN_EID_TIM
))
110 tim_idx
+= beacon
[tim_idx
+1] + 2;
112 /* If TIM field was found, set variables */
113 if ((tim_idx
< (frame_size
- 1)) && (beacon
[tim_idx
] == WLAN_EID_TIM
)) {
114 tx_beacon_cmd
->tim_idx
= cpu_to_le16(tim_idx
);
115 tx_beacon_cmd
->tim_size
= beacon
[tim_idx
+1];
117 IWL_WARN(priv
, "Unable to find TIM Element in beacon\n");
120 int iwlagn_send_beacon_cmd(struct iwl_priv
*priv
)
122 struct iwl_tx_beacon_cmd
*tx_beacon_cmd
;
123 struct iwl_host_cmd cmd
= {
124 .id
= REPLY_TX_BEACON
,
127 struct ieee80211_tx_info
*info
;
133 * We have to set up the TX command, the TX Beacon command, and the
137 lockdep_assert_held(&priv
->shrd
->mutex
);
139 if (!priv
->beacon_ctx
) {
140 IWL_ERR(priv
, "trying to build beacon w/o beacon context!\n");
144 if (WARN_ON(!priv
->beacon_skb
))
147 /* Allocate beacon command */
148 if (!priv
->beacon_cmd
)
149 priv
->beacon_cmd
= kzalloc(sizeof(*tx_beacon_cmd
), GFP_KERNEL
);
150 tx_beacon_cmd
= priv
->beacon_cmd
;
154 frame_size
= priv
->beacon_skb
->len
;
156 /* Set up TX command fields */
157 tx_beacon_cmd
->tx
.len
= cpu_to_le16((u16
)frame_size
);
158 tx_beacon_cmd
->tx
.sta_id
= priv
->beacon_ctx
->bcast_sta_id
;
159 tx_beacon_cmd
->tx
.stop_time
.life_time
= TX_CMD_LIFE_TIME_INFINITE
;
160 tx_beacon_cmd
->tx
.tx_flags
= TX_CMD_FLG_SEQ_CTL_MSK
|
161 TX_CMD_FLG_TSF_MSK
| TX_CMD_FLG_STA_RATE_MSK
;
163 /* Set up TX beacon command fields */
164 iwl_set_beacon_tim(priv
, tx_beacon_cmd
, priv
->beacon_skb
->data
,
167 /* Set up packet rate and flags */
168 info
= IEEE80211_SKB_CB(priv
->beacon_skb
);
171 * Let's set up the rate at least somewhat correctly;
172 * it will currently not actually be used by the uCode,
173 * it uses the broadcast station's rate instead.
175 if (info
->control
.rates
[0].idx
< 0 ||
176 info
->control
.rates
[0].flags
& IEEE80211_TX_RC_MCS
)
179 rate
= info
->control
.rates
[0].idx
;
181 priv
->mgmt_tx_ant
= iwl_toggle_tx_ant(priv
, priv
->mgmt_tx_ant
,
182 hw_params(priv
).valid_tx_ant
);
183 rate_flags
= iwl_ant_idx_to_flags(priv
->mgmt_tx_ant
);
185 /* In mac80211, rates for 5 GHz start at 0 */
186 if (info
->band
== IEEE80211_BAND_5GHZ
)
187 rate
+= IWL_FIRST_OFDM_RATE
;
188 else if (rate
>= IWL_FIRST_CCK_RATE
&& rate
<= IWL_LAST_CCK_RATE
)
189 rate_flags
|= RATE_MCS_CCK_MSK
;
191 tx_beacon_cmd
->tx
.rate_n_flags
=
192 iwl_hw_set_rate_n_flags(rate
, rate_flags
);
195 cmd
.len
[0] = sizeof(*tx_beacon_cmd
);
196 cmd
.data
[0] = tx_beacon_cmd
;
197 cmd
.dataflags
[0] = IWL_HCMD_DFL_NOCOPY
;
198 cmd
.len
[1] = frame_size
;
199 cmd
.data
[1] = priv
->beacon_skb
->data
;
200 cmd
.dataflags
[1] = IWL_HCMD_DFL_NOCOPY
;
202 return iwl_trans_send_cmd(trans(priv
), &cmd
);
205 static void iwl_bg_beacon_update(struct work_struct
*work
)
207 struct iwl_priv
*priv
=
208 container_of(work
, struct iwl_priv
, beacon_update
);
209 struct sk_buff
*beacon
;
211 mutex_lock(&priv
->shrd
->mutex
);
212 if (!priv
->beacon_ctx
) {
213 IWL_ERR(priv
, "updating beacon w/o beacon context!\n");
217 if (priv
->beacon_ctx
->vif
->type
!= NL80211_IFTYPE_AP
) {
219 * The ucode will send beacon notifications even in
220 * IBSS mode, but we don't want to process them. But
221 * we need to defer the type check to here due to
222 * requiring locking around the beacon_ctx access.
227 /* Pull updated AP beacon from mac80211. will fail if not in AP mode */
228 beacon
= ieee80211_beacon_get(priv
->hw
, priv
->beacon_ctx
->vif
);
230 IWL_ERR(priv
, "update beacon failed -- keeping old\n");
234 /* new beacon skb is allocated every time; dispose previous.*/
235 dev_kfree_skb(priv
->beacon_skb
);
237 priv
->beacon_skb
= beacon
;
239 iwlagn_send_beacon_cmd(priv
);
241 mutex_unlock(&priv
->shrd
->mutex
);
244 static void iwl_bg_bt_runtime_config(struct work_struct
*work
)
246 struct iwl_priv
*priv
=
247 container_of(work
, struct iwl_priv
, bt_runtime_config
);
249 if (test_bit(STATUS_EXIT_PENDING
, &priv
->shrd
->status
))
252 /* dont send host command if rf-kill is on */
253 if (!iwl_is_ready_rf(priv
->shrd
))
255 iwlagn_send_advance_bt_config(priv
);
258 static void iwl_bg_bt_full_concurrency(struct work_struct
*work
)
260 struct iwl_priv
*priv
=
261 container_of(work
, struct iwl_priv
, bt_full_concurrency
);
262 struct iwl_rxon_context
*ctx
;
264 mutex_lock(&priv
->shrd
->mutex
);
266 if (test_bit(STATUS_EXIT_PENDING
, &priv
->shrd
->status
))
269 /* dont send host command if rf-kill is on */
270 if (!iwl_is_ready_rf(priv
->shrd
))
273 IWL_DEBUG_INFO(priv
, "BT coex in %s mode\n",
274 priv
->bt_full_concurrent
?
275 "full concurrency" : "3-wire");
278 * LQ & RXON updated cmds must be sent before BT Config cmd
279 * to avoid 3-wire collisions
281 for_each_context(priv
, ctx
) {
282 iwlagn_set_rxon_chain(priv
, ctx
);
283 iwlagn_commit_rxon(priv
, ctx
);
286 iwlagn_send_advance_bt_config(priv
);
288 mutex_unlock(&priv
->shrd
->mutex
);
292 * iwl_bg_statistics_periodic - Timer callback to queue statistics
294 * This callback is provided in order to send a statistics request.
296 * This timer function is continually reset to execute within
297 * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION
298 * was received. We need to ensure we receive the statistics in order
299 * to update the temperature used for calibrating the TXPOWER.
301 static void iwl_bg_statistics_periodic(unsigned long data
)
303 struct iwl_priv
*priv
= (struct iwl_priv
*)data
;
305 if (test_bit(STATUS_EXIT_PENDING
, &priv
->shrd
->status
))
308 /* dont send host command if rf-kill is on */
309 if (!iwl_is_ready_rf(priv
->shrd
))
312 iwl_send_statistics_request(priv
, CMD_ASYNC
, false);
316 static void iwl_print_cont_event_trace(struct iwl_priv
*priv
, u32 base
,
317 u32 start_idx
, u32 num_events
,
318 u32 capacity
, u32 mode
)
321 u32 ptr
; /* SRAM byte address of log data */
322 u32 ev
, time
, data
; /* event log data */
323 unsigned long reg_flags
;
326 ptr
= base
+ (4 * sizeof(u32
)) + (start_idx
* 2 * sizeof(u32
));
328 ptr
= base
+ (4 * sizeof(u32
)) + (start_idx
* 3 * sizeof(u32
));
330 /* Make sure device is powered up for SRAM reads */
331 spin_lock_irqsave(&bus(priv
)->reg_lock
, reg_flags
);
332 if (iwl_grab_nic_access(bus(priv
))) {
333 spin_unlock_irqrestore(&bus(priv
)->reg_lock
, reg_flags
);
337 /* Set starting address; reads will auto-increment */
338 iwl_write32(bus(priv
), HBUS_TARG_MEM_RADDR
, ptr
);
342 * Refuse to read more than would have fit into the log from
343 * the current start_idx. This used to happen due to the race
344 * described below, but now WARN because the code below should
345 * prevent it from happening here.
347 if (WARN_ON(num_events
> capacity
- start_idx
))
348 num_events
= capacity
- start_idx
;
351 * "time" is actually "data" for mode 0 (no timestamp).
352 * place event id # at far right for easier visual parsing.
354 for (i
= 0; i
< num_events
; i
++) {
355 ev
= iwl_read32(bus(priv
), HBUS_TARG_MEM_RDAT
);
356 time
= iwl_read32(bus(priv
), HBUS_TARG_MEM_RDAT
);
358 trace_iwlwifi_dev_ucode_cont_event(priv
, 0, time
, ev
);
360 data
= iwl_read32(bus(priv
), HBUS_TARG_MEM_RDAT
);
361 trace_iwlwifi_dev_ucode_cont_event(priv
, time
,
365 /* Allow device to power down */
366 iwl_release_nic_access(bus(priv
));
367 spin_unlock_irqrestore(&bus(priv
)->reg_lock
, reg_flags
);
370 static void iwl_continuous_event_trace(struct iwl_priv
*priv
)
372 u32 capacity
; /* event log capacity in # entries */
379 u32 base
; /* SRAM byte address of event log header */
380 u32 mode
; /* 0 - no timestamp, 1 - timestamp recorded */
381 u32 num_wraps
; /* # times uCode wrapped to top of log */
382 u32 next_entry
; /* index of next entry to be written by uCode */
384 base
= priv
->shrd
->device_pointers
.log_event_table
;
385 if (iwlagn_hw_valid_rtc_data_addr(base
)) {
386 iwl_read_targ_mem_words(bus(priv
), base
, &read
, sizeof(read
));
388 capacity
= read
.capacity
;
390 num_wraps
= read
.wrap_counter
;
391 next_entry
= read
.write_counter
;
396 * Unfortunately, the uCode doesn't use temporary variables.
397 * Therefore, it can happen that we read next_entry == capacity,
398 * which really means next_entry == 0.
400 if (unlikely(next_entry
== capacity
))
403 * Additionally, the uCode increases the write pointer before
404 * the wraps counter, so if the write pointer is smaller than
405 * the old write pointer (wrap occurred) but we read that no
406 * wrap occurred, we actually read between the next_entry and
407 * num_wraps update (this does happen in practice!!) -- take
408 * that into account by increasing num_wraps.
410 if (unlikely(next_entry
< priv
->event_log
.next_entry
&&
411 num_wraps
== priv
->event_log
.num_wraps
))
414 if (num_wraps
== priv
->event_log
.num_wraps
) {
415 iwl_print_cont_event_trace(
416 priv
, base
, priv
->event_log
.next_entry
,
417 next_entry
- priv
->event_log
.next_entry
,
420 priv
->event_log
.non_wraps_count
++;
422 if (num_wraps
- priv
->event_log
.num_wraps
> 1)
423 priv
->event_log
.wraps_more_count
++;
425 priv
->event_log
.wraps_once_count
++;
427 trace_iwlwifi_dev_ucode_wrap_event(priv
,
428 num_wraps
- priv
->event_log
.num_wraps
,
429 next_entry
, priv
->event_log
.next_entry
);
431 if (next_entry
< priv
->event_log
.next_entry
) {
432 iwl_print_cont_event_trace(
433 priv
, base
, priv
->event_log
.next_entry
,
434 capacity
- priv
->event_log
.next_entry
,
437 iwl_print_cont_event_trace(
438 priv
, base
, 0, next_entry
, capacity
, mode
);
440 iwl_print_cont_event_trace(
441 priv
, base
, next_entry
,
442 capacity
- next_entry
,
445 iwl_print_cont_event_trace(
446 priv
, base
, 0, next_entry
, capacity
, mode
);
450 priv
->event_log
.num_wraps
= num_wraps
;
451 priv
->event_log
.next_entry
= next_entry
;
455 * iwl_bg_ucode_trace - Timer callback to log ucode event
457 * The timer is continually set to execute every
458 * UCODE_TRACE_PERIOD milliseconds after the last timer expired
459 * this function is to perform continuous uCode event logging operation
462 static void iwl_bg_ucode_trace(unsigned long data
)
464 struct iwl_priv
*priv
= (struct iwl_priv
*)data
;
466 if (test_bit(STATUS_EXIT_PENDING
, &priv
->shrd
->status
))
469 if (priv
->event_log
.ucode_trace
) {
470 iwl_continuous_event_trace(priv
);
471 /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */
472 mod_timer(&priv
->ucode_trace
,
473 jiffies
+ msecs_to_jiffies(UCODE_TRACE_PERIOD
));
477 static void iwl_bg_tx_flush(struct work_struct
*work
)
479 struct iwl_priv
*priv
=
480 container_of(work
, struct iwl_priv
, tx_flush
);
482 if (test_bit(STATUS_EXIT_PENDING
, &priv
->shrd
->status
))
485 /* do nothing if rf-kill is on */
486 if (!iwl_is_ready_rf(priv
->shrd
))
489 IWL_DEBUG_INFO(priv
, "device request: flush all tx frames\n");
490 iwlagn_dev_txfifo_flush(priv
, IWL_DROP_ALL
);
493 static void iwl_init_context(struct iwl_priv
*priv
, u32 ucode_flags
)
498 * The default context is always valid,
499 * the PAN context depends on uCode.
501 priv
->shrd
->valid_contexts
= BIT(IWL_RXON_CTX_BSS
);
502 if (ucode_flags
& IWL_UCODE_TLV_FLAGS_PAN
)
503 priv
->shrd
->valid_contexts
|= BIT(IWL_RXON_CTX_PAN
);
505 for (i
= 0; i
< NUM_IWL_RXON_CTX
; i
++)
506 priv
->contexts
[i
].ctxid
= i
;
508 priv
->contexts
[IWL_RXON_CTX_BSS
].always_active
= true;
509 priv
->contexts
[IWL_RXON_CTX_BSS
].is_active
= true;
510 priv
->contexts
[IWL_RXON_CTX_BSS
].rxon_cmd
= REPLY_RXON
;
511 priv
->contexts
[IWL_RXON_CTX_BSS
].rxon_timing_cmd
= REPLY_RXON_TIMING
;
512 priv
->contexts
[IWL_RXON_CTX_BSS
].rxon_assoc_cmd
= REPLY_RXON_ASSOC
;
513 priv
->contexts
[IWL_RXON_CTX_BSS
].qos_cmd
= REPLY_QOS_PARAM
;
514 priv
->contexts
[IWL_RXON_CTX_BSS
].ap_sta_id
= IWL_AP_ID
;
515 priv
->contexts
[IWL_RXON_CTX_BSS
].wep_key_cmd
= REPLY_WEPKEY
;
516 priv
->contexts
[IWL_RXON_CTX_BSS
].exclusive_interface_modes
=
517 BIT(NL80211_IFTYPE_ADHOC
);
518 priv
->contexts
[IWL_RXON_CTX_BSS
].interface_modes
=
519 BIT(NL80211_IFTYPE_STATION
);
520 priv
->contexts
[IWL_RXON_CTX_BSS
].ap_devtype
= RXON_DEV_TYPE_AP
;
521 priv
->contexts
[IWL_RXON_CTX_BSS
].ibss_devtype
= RXON_DEV_TYPE_IBSS
;
522 priv
->contexts
[IWL_RXON_CTX_BSS
].station_devtype
= RXON_DEV_TYPE_ESS
;
523 priv
->contexts
[IWL_RXON_CTX_BSS
].unused_devtype
= RXON_DEV_TYPE_ESS
;
525 priv
->contexts
[IWL_RXON_CTX_PAN
].rxon_cmd
= REPLY_WIPAN_RXON
;
526 priv
->contexts
[IWL_RXON_CTX_PAN
].rxon_timing_cmd
=
527 REPLY_WIPAN_RXON_TIMING
;
528 priv
->contexts
[IWL_RXON_CTX_PAN
].rxon_assoc_cmd
=
529 REPLY_WIPAN_RXON_ASSOC
;
530 priv
->contexts
[IWL_RXON_CTX_PAN
].qos_cmd
= REPLY_WIPAN_QOS_PARAM
;
531 priv
->contexts
[IWL_RXON_CTX_PAN
].ap_sta_id
= IWL_AP_ID_PAN
;
532 priv
->contexts
[IWL_RXON_CTX_PAN
].wep_key_cmd
= REPLY_WIPAN_WEPKEY
;
533 priv
->contexts
[IWL_RXON_CTX_PAN
].bcast_sta_id
= IWLAGN_PAN_BCAST_ID
;
534 priv
->contexts
[IWL_RXON_CTX_PAN
].station_flags
= STA_FLG_PAN_STATION
;
535 priv
->contexts
[IWL_RXON_CTX_PAN
].interface_modes
=
536 BIT(NL80211_IFTYPE_STATION
) | BIT(NL80211_IFTYPE_AP
);
538 if (ucode_flags
& IWL_UCODE_TLV_FLAGS_P2P
)
539 priv
->contexts
[IWL_RXON_CTX_PAN
].interface_modes
|=
540 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
541 BIT(NL80211_IFTYPE_P2P_GO
);
543 priv
->contexts
[IWL_RXON_CTX_PAN
].ap_devtype
= RXON_DEV_TYPE_CP
;
544 priv
->contexts
[IWL_RXON_CTX_PAN
].station_devtype
= RXON_DEV_TYPE_2STA
;
545 priv
->contexts
[IWL_RXON_CTX_PAN
].unused_devtype
= RXON_DEV_TYPE_P2P
;
547 BUILD_BUG_ON(NUM_IWL_RXON_CTX
!= 2);
550 static void iwl_ucode_callback(const struct firmware
*ucode_raw
, void *context
);
552 #define UCODE_EXPERIMENTAL_INDEX 100
553 #define UCODE_EXPERIMENTAL_TAG "exp"
555 static int __must_check
iwl_request_firmware(struct iwl_priv
*priv
, bool first
)
557 const char *name_pre
= cfg(priv
)->fw_name_pre
;
561 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
562 priv
->fw_index
= UCODE_EXPERIMENTAL_INDEX
;
563 strcpy(tag
, UCODE_EXPERIMENTAL_TAG
);
564 } else if (priv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
) {
566 priv
->fw_index
= cfg(priv
)->ucode_api_max
;
567 sprintf(tag
, "%d", priv
->fw_index
);
570 sprintf(tag
, "%d", priv
->fw_index
);
573 if (priv
->fw_index
< cfg(priv
)->ucode_api_min
) {
574 IWL_ERR(priv
, "no suitable firmware found!\n");
578 sprintf(priv
->firmware_name
, "%s%s%s", name_pre
, tag
, ".ucode");
580 IWL_DEBUG_INFO(priv
, "attempting to load firmware %s'%s'\n",
581 (priv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
582 ? "EXPERIMENTAL " : "",
583 priv
->firmware_name
);
585 return request_firmware_nowait(THIS_MODULE
, 1, priv
->firmware_name
,
587 GFP_KERNEL
, priv
, iwl_ucode_callback
);
590 struct iwlagn_firmware_pieces
{
591 const void *inst
, *data
, *init
, *init_data
, *wowlan_inst
, *wowlan_data
;
592 size_t inst_size
, data_size
, init_size
, init_data_size
,
593 wowlan_inst_size
, wowlan_data_size
;
597 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
598 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
601 static int iwlagn_load_legacy_firmware(struct iwl_priv
*priv
,
602 const struct firmware
*ucode_raw
,
603 struct iwlagn_firmware_pieces
*pieces
)
605 struct iwl_ucode_header
*ucode
= (void *)ucode_raw
->data
;
606 u32 api_ver
, hdr_size
;
609 priv
->ucode_ver
= le32_to_cpu(ucode
->ver
);
610 api_ver
= IWL_UCODE_API(priv
->ucode_ver
);
615 if (ucode_raw
->size
< hdr_size
) {
616 IWL_ERR(priv
, "File size too small!\n");
619 pieces
->build
= le32_to_cpu(ucode
->u
.v2
.build
);
620 pieces
->inst_size
= le32_to_cpu(ucode
->u
.v2
.inst_size
);
621 pieces
->data_size
= le32_to_cpu(ucode
->u
.v2
.data_size
);
622 pieces
->init_size
= le32_to_cpu(ucode
->u
.v2
.init_size
);
623 pieces
->init_data_size
= le32_to_cpu(ucode
->u
.v2
.init_data_size
);
624 src
= ucode
->u
.v2
.data
;
630 if (ucode_raw
->size
< hdr_size
) {
631 IWL_ERR(priv
, "File size too small!\n");
635 pieces
->inst_size
= le32_to_cpu(ucode
->u
.v1
.inst_size
);
636 pieces
->data_size
= le32_to_cpu(ucode
->u
.v1
.data_size
);
637 pieces
->init_size
= le32_to_cpu(ucode
->u
.v1
.init_size
);
638 pieces
->init_data_size
= le32_to_cpu(ucode
->u
.v1
.init_data_size
);
639 src
= ucode
->u
.v1
.data
;
643 /* Verify size of file vs. image size info in file's header */
644 if (ucode_raw
->size
!= hdr_size
+ pieces
->inst_size
+
645 pieces
->data_size
+ pieces
->init_size
+
646 pieces
->init_data_size
) {
649 "uCode file size %d does not match expected size\n",
650 (int)ucode_raw
->size
);
655 src
+= pieces
->inst_size
;
657 src
+= pieces
->data_size
;
659 src
+= pieces
->init_size
;
660 pieces
->init_data
= src
;
661 src
+= pieces
->init_data_size
;
666 static int iwlagn_load_firmware(struct iwl_priv
*priv
,
667 const struct firmware
*ucode_raw
,
668 struct iwlagn_firmware_pieces
*pieces
,
669 struct iwlagn_ucode_capabilities
*capa
)
671 struct iwl_tlv_ucode_header
*ucode
= (void *)ucode_raw
->data
;
672 struct iwl_ucode_tlv
*tlv
;
673 size_t len
= ucode_raw
->size
;
675 int wanted_alternative
= iwlagn_mod_params
.wanted_ucode_alternative
;
679 enum iwl_ucode_tlv_type tlv_type
;
682 if (len
< sizeof(*ucode
)) {
683 IWL_ERR(priv
, "uCode has invalid length: %zd\n", len
);
687 if (ucode
->magic
!= cpu_to_le32(IWL_TLV_UCODE_MAGIC
)) {
688 IWL_ERR(priv
, "invalid uCode magic: 0X%x\n",
689 le32_to_cpu(ucode
->magic
));
694 * Check which alternatives are present, and "downgrade"
695 * when the chosen alternative is not present, warning
696 * the user when that happens. Some files may not have
697 * any alternatives, so don't warn in that case.
699 alternatives
= le64_to_cpu(ucode
->alternatives
);
700 tmp
= wanted_alternative
;
701 if (wanted_alternative
> 63)
702 wanted_alternative
= 63;
703 while (wanted_alternative
&& !(alternatives
& BIT(wanted_alternative
)))
704 wanted_alternative
--;
705 if (wanted_alternative
&& wanted_alternative
!= tmp
)
707 "uCode alternative %d not available, choosing %d\n",
708 tmp
, wanted_alternative
);
710 priv
->ucode_ver
= le32_to_cpu(ucode
->ver
);
711 pieces
->build
= le32_to_cpu(ucode
->build
);
714 len
-= sizeof(*ucode
);
716 while (len
>= sizeof(*tlv
)) {
722 tlv_len
= le32_to_cpu(tlv
->length
);
723 tlv_type
= le16_to_cpu(tlv
->type
);
724 tlv_alt
= le16_to_cpu(tlv
->alternative
);
725 tlv_data
= tlv
->data
;
728 IWL_ERR(priv
, "invalid TLV len: %zd/%u\n",
732 len
-= ALIGN(tlv_len
, 4);
733 data
+= sizeof(*tlv
) + ALIGN(tlv_len
, 4);
736 * Alternative 0 is always valid.
738 * Skip alternative TLVs that are not selected.
740 if (tlv_alt
!= 0 && tlv_alt
!= wanted_alternative
)
744 case IWL_UCODE_TLV_INST
:
745 pieces
->inst
= tlv_data
;
746 pieces
->inst_size
= tlv_len
;
748 case IWL_UCODE_TLV_DATA
:
749 pieces
->data
= tlv_data
;
750 pieces
->data_size
= tlv_len
;
752 case IWL_UCODE_TLV_INIT
:
753 pieces
->init
= tlv_data
;
754 pieces
->init_size
= tlv_len
;
756 case IWL_UCODE_TLV_INIT_DATA
:
757 pieces
->init_data
= tlv_data
;
758 pieces
->init_data_size
= tlv_len
;
760 case IWL_UCODE_TLV_BOOT
:
761 IWL_ERR(priv
, "Found unexpected BOOT ucode\n");
763 case IWL_UCODE_TLV_PROBE_MAX_LEN
:
764 if (tlv_len
!= sizeof(u32
))
765 goto invalid_tlv_len
;
766 capa
->max_probe_length
=
767 le32_to_cpup((__le32
*)tlv_data
);
769 case IWL_UCODE_TLV_PAN
:
771 goto invalid_tlv_len
;
772 capa
->flags
|= IWL_UCODE_TLV_FLAGS_PAN
;
774 case IWL_UCODE_TLV_FLAGS
:
775 /* must be at least one u32 */
776 if (tlv_len
< sizeof(u32
))
777 goto invalid_tlv_len
;
778 /* and a proper number of u32s */
779 if (tlv_len
% sizeof(u32
))
780 goto invalid_tlv_len
;
782 * This driver only reads the first u32 as
783 * right now no more features are defined,
784 * if that changes then either the driver
785 * will not work with the new firmware, or
786 * it'll not take advantage of new features.
788 capa
->flags
= le32_to_cpup((__le32
*)tlv_data
);
790 case IWL_UCODE_TLV_INIT_EVTLOG_PTR
:
791 if (tlv_len
!= sizeof(u32
))
792 goto invalid_tlv_len
;
793 pieces
->init_evtlog_ptr
=
794 le32_to_cpup((__le32
*)tlv_data
);
796 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE
:
797 if (tlv_len
!= sizeof(u32
))
798 goto invalid_tlv_len
;
799 pieces
->init_evtlog_size
=
800 le32_to_cpup((__le32
*)tlv_data
);
802 case IWL_UCODE_TLV_INIT_ERRLOG_PTR
:
803 if (tlv_len
!= sizeof(u32
))
804 goto invalid_tlv_len
;
805 pieces
->init_errlog_ptr
=
806 le32_to_cpup((__le32
*)tlv_data
);
808 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR
:
809 if (tlv_len
!= sizeof(u32
))
810 goto invalid_tlv_len
;
811 pieces
->inst_evtlog_ptr
=
812 le32_to_cpup((__le32
*)tlv_data
);
814 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
:
815 if (tlv_len
!= sizeof(u32
))
816 goto invalid_tlv_len
;
817 pieces
->inst_evtlog_size
=
818 le32_to_cpup((__le32
*)tlv_data
);
820 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR
:
821 if (tlv_len
!= sizeof(u32
))
822 goto invalid_tlv_len
;
823 pieces
->inst_errlog_ptr
=
824 le32_to_cpup((__le32
*)tlv_data
);
826 case IWL_UCODE_TLV_ENHANCE_SENS_TBL
:
828 goto invalid_tlv_len
;
829 priv
->enhance_sensitivity_table
= true;
831 case IWL_UCODE_TLV_WOWLAN_INST
:
832 pieces
->wowlan_inst
= tlv_data
;
833 pieces
->wowlan_inst_size
= tlv_len
;
835 case IWL_UCODE_TLV_WOWLAN_DATA
:
836 pieces
->wowlan_data
= tlv_data
;
837 pieces
->wowlan_data_size
= tlv_len
;
839 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
:
840 if (tlv_len
!= sizeof(u32
))
841 goto invalid_tlv_len
;
842 capa
->standard_phy_calibration_size
=
843 le32_to_cpup((__le32
*)tlv_data
);
846 IWL_DEBUG_INFO(priv
, "unknown TLV: %d\n", tlv_type
);
852 IWL_ERR(priv
, "invalid TLV after parsing: %zd\n", len
);
853 iwl_print_hex_dump(priv
, IWL_DL_FW
, (u8
*)data
, len
);
860 IWL_ERR(priv
, "TLV %d has invalid size: %u\n", tlv_type
, tlv_len
);
861 iwl_print_hex_dump(priv
, IWL_DL_FW
, tlv_data
, tlv_len
);
867 * iwl_ucode_callback - callback when firmware was loaded
869 * If loaded successfully, copies the firmware into buffers
870 * for the card to fetch (via DMA).
872 static void iwl_ucode_callback(const struct firmware
*ucode_raw
, void *context
)
874 struct iwl_priv
*priv
= context
;
875 struct iwl_ucode_header
*ucode
;
877 struct iwlagn_firmware_pieces pieces
;
878 const unsigned int api_max
= cfg(priv
)->ucode_api_max
;
879 unsigned int api_ok
= cfg(priv
)->ucode_api_ok
;
880 const unsigned int api_min
= cfg(priv
)->ucode_api_min
;
884 struct iwlagn_ucode_capabilities ucode_capa
= {
885 .max_probe_length
= 200,
886 .standard_phy_calibration_size
=
887 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE
,
893 memset(&pieces
, 0, sizeof(pieces
));
896 if (priv
->fw_index
<= api_ok
)
898 "request for firmware file '%s' failed.\n",
899 priv
->firmware_name
);
903 IWL_DEBUG_INFO(priv
, "Loaded firmware file '%s' (%zd bytes).\n",
904 priv
->firmware_name
, ucode_raw
->size
);
906 /* Make sure that we got at least the API version number */
907 if (ucode_raw
->size
< 4) {
908 IWL_ERR(priv
, "File size way too small!\n");
912 /* Data from ucode file: header followed by uCode images */
913 ucode
= (struct iwl_ucode_header
*)ucode_raw
->data
;
916 err
= iwlagn_load_legacy_firmware(priv
, ucode_raw
, &pieces
);
918 err
= iwlagn_load_firmware(priv
, ucode_raw
, &pieces
,
924 api_ver
= IWL_UCODE_API(priv
->ucode_ver
);
925 build
= pieces
.build
;
928 * api_ver should match the api version forming part of the
929 * firmware filename ... but we don't check for that and only rely
930 * on the API version read from firmware header from here on forward
932 /* no api version check required for experimental uCode */
933 if (priv
->fw_index
!= UCODE_EXPERIMENTAL_INDEX
) {
934 if (api_ver
< api_min
|| api_ver
> api_max
) {
936 "Driver unable to support your firmware API. "
937 "Driver supports v%u, firmware is v%u.\n",
942 if (api_ver
< api_ok
) {
943 if (api_ok
!= api_max
)
944 IWL_ERR(priv
, "Firmware has old API version, "
945 "expected v%u through v%u, got v%u.\n",
946 api_ok
, api_max
, api_ver
);
948 IWL_ERR(priv
, "Firmware has old API version, "
949 "expected v%u, got v%u.\n",
951 IWL_ERR(priv
, "New firmware can be obtained from "
952 "http://www.intellinuxwireless.org/.\n");
957 sprintf(buildstr
, " build %u%s", build
,
958 (priv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
963 IWL_INFO(priv
, "loaded firmware version %u.%u.%u.%u%s\n",
964 IWL_UCODE_MAJOR(priv
->ucode_ver
),
965 IWL_UCODE_MINOR(priv
->ucode_ver
),
966 IWL_UCODE_API(priv
->ucode_ver
),
967 IWL_UCODE_SERIAL(priv
->ucode_ver
),
970 snprintf(priv
->hw
->wiphy
->fw_version
,
971 sizeof(priv
->hw
->wiphy
->fw_version
),
973 IWL_UCODE_MAJOR(priv
->ucode_ver
),
974 IWL_UCODE_MINOR(priv
->ucode_ver
),
975 IWL_UCODE_API(priv
->ucode_ver
),
976 IWL_UCODE_SERIAL(priv
->ucode_ver
),
980 * For any of the failures below (before allocating pci memory)
981 * we will try to load a version with a smaller API -- maybe the
982 * user just got a corrupted version of the latest API.
985 IWL_DEBUG_INFO(priv
, "f/w package hdr ucode version raw = 0x%x\n",
987 IWL_DEBUG_INFO(priv
, "f/w package hdr runtime inst size = %Zd\n",
989 IWL_DEBUG_INFO(priv
, "f/w package hdr runtime data size = %Zd\n",
991 IWL_DEBUG_INFO(priv
, "f/w package hdr init inst size = %Zd\n",
993 IWL_DEBUG_INFO(priv
, "f/w package hdr init data size = %Zd\n",
994 pieces
.init_data_size
);
996 /* Verify that uCode images will fit in card's SRAM */
997 if (pieces
.inst_size
> hw_params(priv
).max_inst_size
) {
998 IWL_ERR(priv
, "uCode instr len %Zd too large to fit in\n",
1003 if (pieces
.data_size
> hw_params(priv
).max_data_size
) {
1004 IWL_ERR(priv
, "uCode data len %Zd too large to fit in\n",
1009 if (pieces
.init_size
> hw_params(priv
).max_inst_size
) {
1010 IWL_ERR(priv
, "uCode init instr len %Zd too large to fit in\n",
1015 if (pieces
.init_data_size
> hw_params(priv
).max_data_size
) {
1016 IWL_ERR(priv
, "uCode init data len %Zd too large to fit in\n",
1017 pieces
.init_data_size
);
1021 /* Allocate ucode buffers for card's bus-master loading ... */
1023 /* Runtime instructions and 2 copies of data:
1024 * 1) unmodified from disk
1025 * 2) backup cache for save/restore during power-downs */
1026 if (iwl_alloc_fw_desc(bus(priv
), &trans(priv
)->ucode_rt
.code
,
1027 pieces
.inst
, pieces
.inst_size
))
1029 if (iwl_alloc_fw_desc(bus(priv
), &trans(priv
)->ucode_rt
.data
,
1030 pieces
.data
, pieces
.data_size
))
1033 /* Initialization instructions and data */
1034 if (pieces
.init_size
&& pieces
.init_data_size
) {
1035 if (iwl_alloc_fw_desc(bus(priv
), &trans(priv
)->ucode_init
.code
,
1036 pieces
.init
, pieces
.init_size
))
1038 if (iwl_alloc_fw_desc(bus(priv
), &trans(priv
)->ucode_init
.data
,
1039 pieces
.init_data
, pieces
.init_data_size
))
1043 /* WoWLAN instructions and data */
1044 if (pieces
.wowlan_inst_size
&& pieces
.wowlan_data_size
) {
1045 if (iwl_alloc_fw_desc(bus(priv
),
1046 &trans(priv
)->ucode_wowlan
.code
,
1048 pieces
.wowlan_inst_size
))
1050 if (iwl_alloc_fw_desc(bus(priv
),
1051 &trans(priv
)->ucode_wowlan
.data
,
1053 pieces
.wowlan_data_size
))
1057 /* Now that we can no longer fail, copy information */
1060 * The (size - 16) / 12 formula is based on the information recorded
1061 * for each event, which is of mode 1 (including timestamp) for all
1062 * new microcodes that include this information.
1064 priv
->init_evtlog_ptr
= pieces
.init_evtlog_ptr
;
1065 if (pieces
.init_evtlog_size
)
1066 priv
->init_evtlog_size
= (pieces
.init_evtlog_size
- 16)/12;
1068 priv
->init_evtlog_size
=
1069 cfg(priv
)->base_params
->max_event_log_size
;
1070 priv
->init_errlog_ptr
= pieces
.init_errlog_ptr
;
1071 priv
->inst_evtlog_ptr
= pieces
.inst_evtlog_ptr
;
1072 if (pieces
.inst_evtlog_size
)
1073 priv
->inst_evtlog_size
= (pieces
.inst_evtlog_size
- 16)/12;
1075 priv
->inst_evtlog_size
=
1076 cfg(priv
)->base_params
->max_event_log_size
;
1077 priv
->inst_errlog_ptr
= pieces
.inst_errlog_ptr
;
1078 #ifndef CONFIG_IWLWIFI_P2P
1079 ucode_capa
.flags
&= ~IWL_UCODE_TLV_FLAGS_PAN
;
1082 priv
->new_scan_threshold_behaviour
=
1083 !!(ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_NEWSCAN
);
1085 if (!(cfg(priv
)->sku
& EEPROM_SKU_CAP_IPAN_ENABLE
))
1086 ucode_capa
.flags
&= ~IWL_UCODE_TLV_FLAGS_PAN
;
1089 * if not PAN, then don't support P2P -- might be a uCode
1090 * packaging bug or due to the eeprom check above
1092 if (!(ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_PAN
))
1093 ucode_capa
.flags
&= ~IWL_UCODE_TLV_FLAGS_P2P
;
1095 if (ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_PAN
) {
1096 priv
->sta_key_max_num
= STA_KEY_MAX_NUM_PAN
;
1097 priv
->shrd
->cmd_queue
= IWL_IPAN_CMD_QUEUE_NUM
;
1099 priv
->sta_key_max_num
= STA_KEY_MAX_NUM
;
1100 priv
->shrd
->cmd_queue
= IWL_DEFAULT_CMD_QUEUE_NUM
;
1103 * figure out the offset of chain noise reset and gain commands
1104 * base on the size of standard phy calibration commands table size
1106 if (ucode_capa
.standard_phy_calibration_size
>
1107 IWL_MAX_PHY_CALIBRATE_TBL_SIZE
)
1108 ucode_capa
.standard_phy_calibration_size
=
1109 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1111 priv
->phy_calib_chain_noise_reset_cmd
=
1112 ucode_capa
.standard_phy_calibration_size
;
1113 priv
->phy_calib_chain_noise_gain_cmd
=
1114 ucode_capa
.standard_phy_calibration_size
+ 1;
1116 /* initialize all valid contexts */
1117 iwl_init_context(priv
, ucode_capa
.flags
);
1119 /**************************************************
1120 * This is still part of probe() in a sense...
1122 * 9. Setup and register with mac80211 and debugfs
1123 **************************************************/
1124 err
= iwlagn_mac_setup_register(priv
, &ucode_capa
);
1128 err
= iwl_dbgfs_register(priv
, DRV_NAME
);
1130 IWL_ERR(priv
, "failed to create debugfs files. Ignoring error: %d\n", err
);
1132 /* We have our copies now, allow OS release its copies */
1133 release_firmware(ucode_raw
);
1134 complete(&priv
->firmware_loading_complete
);
1138 /* try next, if any */
1139 if (iwl_request_firmware(priv
, false))
1141 release_firmware(ucode_raw
);
1145 IWL_ERR(priv
, "failed to allocate pci memory\n");
1146 iwl_dealloc_ucode(trans(priv
));
1148 complete(&priv
->firmware_loading_complete
);
1149 device_release_driver(bus(priv
)->dev
);
1150 release_firmware(ucode_raw
);
1153 static void iwl_rf_kill_ct_config(struct iwl_priv
*priv
)
1155 struct iwl_ct_kill_config cmd
;
1156 struct iwl_ct_kill_throttling_config adv_cmd
;
1157 unsigned long flags
;
1160 spin_lock_irqsave(&priv
->shrd
->lock
, flags
);
1161 iwl_write32(bus(priv
), CSR_UCODE_DRV_GP1_CLR
,
1162 CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT
);
1163 spin_unlock_irqrestore(&priv
->shrd
->lock
, flags
);
1164 priv
->thermal_throttle
.ct_kill_toggle
= false;
1166 if (cfg(priv
)->base_params
->support_ct_kill_exit
) {
1167 adv_cmd
.critical_temperature_enter
=
1168 cpu_to_le32(hw_params(priv
).ct_kill_threshold
);
1169 adv_cmd
.critical_temperature_exit
=
1170 cpu_to_le32(hw_params(priv
).ct_kill_exit_threshold
);
1172 ret
= iwl_trans_send_cmd_pdu(trans(priv
),
1173 REPLY_CT_KILL_CONFIG_CMD
,
1174 CMD_SYNC
, sizeof(adv_cmd
), &adv_cmd
);
1176 IWL_ERR(priv
, "REPLY_CT_KILL_CONFIG_CMD failed\n");
1178 IWL_DEBUG_INFO(priv
, "REPLY_CT_KILL_CONFIG_CMD "
1179 "succeeded, critical temperature enter is %d,"
1181 hw_params(priv
).ct_kill_threshold
,
1182 hw_params(priv
).ct_kill_exit_threshold
);
1184 cmd
.critical_temperature_R
=
1185 cpu_to_le32(hw_params(priv
).ct_kill_threshold
);
1187 ret
= iwl_trans_send_cmd_pdu(trans(priv
),
1188 REPLY_CT_KILL_CONFIG_CMD
,
1189 CMD_SYNC
, sizeof(cmd
), &cmd
);
1191 IWL_ERR(priv
, "REPLY_CT_KILL_CONFIG_CMD failed\n");
1193 IWL_DEBUG_INFO(priv
, "REPLY_CT_KILL_CONFIG_CMD "
1195 "critical temperature is %d\n",
1196 hw_params(priv
).ct_kill_threshold
);
1200 static int iwlagn_send_calib_cfg_rt(struct iwl_priv
*priv
, u32 cfg
)
1202 struct iwl_calib_cfg_cmd calib_cfg_cmd
;
1203 struct iwl_host_cmd cmd
= {
1204 .id
= CALIBRATION_CFG_CMD
,
1205 .len
= { sizeof(struct iwl_calib_cfg_cmd
), },
1206 .data
= { &calib_cfg_cmd
, },
1209 memset(&calib_cfg_cmd
, 0, sizeof(calib_cfg_cmd
));
1210 calib_cfg_cmd
.ucd_calib_cfg
.once
.is_enable
= IWL_CALIB_RT_CFG_ALL
;
1211 calib_cfg_cmd
.ucd_calib_cfg
.once
.start
= cpu_to_le32(cfg
);
1213 return iwl_trans_send_cmd(trans(priv
), &cmd
);
1217 static int iwlagn_send_tx_ant_config(struct iwl_priv
*priv
, u8 valid_tx_ant
)
1219 struct iwl_tx_ant_config_cmd tx_ant_cmd
= {
1220 .valid
= cpu_to_le32(valid_tx_ant
),
1223 if (IWL_UCODE_API(priv
->ucode_ver
) > 1) {
1224 IWL_DEBUG_HC(priv
, "select valid tx ant: %u\n", valid_tx_ant
);
1225 return iwl_trans_send_cmd_pdu(trans(priv
),
1226 TX_ANT_CONFIGURATION_CMD
,
1228 sizeof(struct iwl_tx_ant_config_cmd
),
1231 IWL_DEBUG_HC(priv
, "TX_ANT_CONFIGURATION_CMD not supported\n");
1237 * iwl_alive_start - called after REPLY_ALIVE notification received
1238 * from protocol/runtime uCode (initialization uCode's
1239 * Alive gets handled by iwl_init_alive_start()).
1241 int iwl_alive_start(struct iwl_priv
*priv
)
1244 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_BSS
];
1246 IWL_DEBUG_INFO(priv
, "Runtime Alive received.\n");
1248 /* After the ALIVE response, we can send host commands to the uCode */
1249 set_bit(STATUS_ALIVE
, &priv
->shrd
->status
);
1251 /* Enable watchdog to monitor the driver tx queues */
1252 iwl_setup_watchdog(priv
);
1254 if (iwl_is_rfkill(priv
->shrd
))
1257 if (priv
->event_log
.ucode_trace
) {
1258 /* start collecting data now */
1259 mod_timer(&priv
->ucode_trace
, jiffies
);
1262 /* download priority table before any calibration request */
1263 if (cfg(priv
)->bt_params
&&
1264 cfg(priv
)->bt_params
->advanced_bt_coexist
) {
1265 /* Configure Bluetooth device coexistence support */
1266 if (cfg(priv
)->bt_params
->bt_sco_disable
)
1267 priv
->bt_enable_pspoll
= false;
1269 priv
->bt_enable_pspoll
= true;
1271 priv
->bt_valid
= IWLAGN_BT_ALL_VALID_MSK
;
1272 priv
->kill_ack_mask
= IWLAGN_BT_KILL_ACK_MASK_DEFAULT
;
1273 priv
->kill_cts_mask
= IWLAGN_BT_KILL_CTS_MASK_DEFAULT
;
1274 iwlagn_send_advance_bt_config(priv
);
1275 priv
->bt_valid
= IWLAGN_BT_VALID_ENABLE_FLAGS
;
1276 priv
->cur_rssi_ctx
= NULL
;
1278 iwl_send_prio_tbl(trans(priv
));
1280 /* FIXME: w/a to force change uCode BT state machine */
1281 ret
= iwl_send_bt_env(trans(priv
), IWL_BT_COEX_ENV_OPEN
,
1282 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2
);
1285 ret
= iwl_send_bt_env(trans(priv
), IWL_BT_COEX_ENV_CLOSE
,
1286 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2
);
1291 * default is 2-wire BT coexexistence support
1293 iwl_send_bt_config(priv
);
1297 * Perform runtime calibrations, including DC calibration.
1299 iwlagn_send_calib_cfg_rt(priv
, IWL_CALIB_CFG_DC_IDX
);
1301 ieee80211_wake_queues(priv
->hw
);
1303 priv
->active_rate
= IWL_RATES_MASK
;
1305 /* Configure Tx antenna selection based on H/W config */
1306 iwlagn_send_tx_ant_config(priv
, cfg(priv
)->valid_tx_ant
);
1308 if (iwl_is_associated_ctx(ctx
) && !priv
->shrd
->wowlan
) {
1309 struct iwl_rxon_cmd
*active_rxon
=
1310 (struct iwl_rxon_cmd
*)&ctx
->active
;
1311 /* apply any changes in staging */
1312 ctx
->staging
.filter_flags
|= RXON_FILTER_ASSOC_MSK
;
1313 active_rxon
->filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
1315 struct iwl_rxon_context
*tmp
;
1316 /* Initialize our rx_config data */
1317 for_each_context(priv
, tmp
)
1318 iwl_connection_init_rx_config(priv
, tmp
);
1320 iwlagn_set_rxon_chain(priv
, ctx
);
1323 if (!priv
->shrd
->wowlan
) {
1324 /* WoWLAN ucode will not reply in the same way, skip it */
1325 iwl_reset_run_time_calib(priv
);
1328 set_bit(STATUS_READY
, &priv
->shrd
->status
);
1330 /* Configure the adapter for unassociated operation */
1331 ret
= iwlagn_commit_rxon(priv
, ctx
);
1335 /* At this point, the NIC is initialized and operational */
1336 iwl_rf_kill_ct_config(priv
);
1338 IWL_DEBUG_INFO(priv
, "ALIVE processing complete.\n");
1340 return iwl_power_update_mode(priv
, true);
1343 static void iwl_cancel_deferred_work(struct iwl_priv
*priv
);
1345 void __iwl_down(struct iwl_priv
*priv
)
1349 IWL_DEBUG_INFO(priv
, DRV_NAME
" is going down\n");
1351 iwl_scan_cancel_timeout(priv
, 200);
1354 * If active, scanning won't cancel it, so say it expired.
1355 * No race since we hold the mutex here and a new one
1356 * can't come in at this time.
1358 ieee80211_remain_on_channel_expired(priv
->hw
);
1361 test_and_set_bit(STATUS_EXIT_PENDING
, &priv
->shrd
->status
);
1363 /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set
1364 * to prevent rearm timer */
1365 del_timer_sync(&priv
->watchdog
);
1367 iwl_clear_ucode_stations(priv
, NULL
);
1368 iwl_dealloc_bcast_stations(priv
);
1369 iwl_clear_driver_stations(priv
);
1371 /* reset BT coex data */
1372 priv
->bt_status
= 0;
1373 priv
->cur_rssi_ctx
= NULL
;
1374 priv
->bt_is_sco
= 0;
1375 if (cfg(priv
)->bt_params
)
1376 priv
->bt_traffic_load
=
1377 cfg(priv
)->bt_params
->bt_init_traffic_load
;
1379 priv
->bt_traffic_load
= 0;
1380 priv
->bt_full_concurrent
= false;
1381 priv
->bt_ci_compliance
= 0;
1383 /* Wipe out the EXIT_PENDING status bit if we are not actually
1384 * exiting the module */
1386 clear_bit(STATUS_EXIT_PENDING
, &priv
->shrd
->status
);
1388 if (priv
->mac80211_registered
)
1389 ieee80211_stop_queues(priv
->hw
);
1391 iwl_trans_stop_device(trans(priv
));
1393 /* Clear out all status bits but a few that are stable across reset */
1394 priv
->shrd
->status
&=
1395 test_bit(STATUS_RF_KILL_HW
, &priv
->shrd
->status
) <<
1397 test_bit(STATUS_GEO_CONFIGURED
, &priv
->shrd
->status
) <<
1398 STATUS_GEO_CONFIGURED
|
1399 test_bit(STATUS_FW_ERROR
, &priv
->shrd
->status
) <<
1401 test_bit(STATUS_EXIT_PENDING
, &priv
->shrd
->status
) <<
1402 STATUS_EXIT_PENDING
;
1404 dev_kfree_skb(priv
->beacon_skb
);
1405 priv
->beacon_skb
= NULL
;
1408 void iwl_down(struct iwl_priv
*priv
)
1410 mutex_lock(&priv
->shrd
->mutex
);
1412 mutex_unlock(&priv
->shrd
->mutex
);
1414 iwl_cancel_deferred_work(priv
);
1417 /*****************************************************************************
1419 * Workqueue callbacks
1421 *****************************************************************************/
1423 static void iwl_bg_run_time_calib_work(struct work_struct
*work
)
1425 struct iwl_priv
*priv
= container_of(work
, struct iwl_priv
,
1426 run_time_calib_work
);
1428 mutex_lock(&priv
->shrd
->mutex
);
1430 if (test_bit(STATUS_EXIT_PENDING
, &priv
->shrd
->status
) ||
1431 test_bit(STATUS_SCANNING
, &priv
->shrd
->status
)) {
1432 mutex_unlock(&priv
->shrd
->mutex
);
1436 if (priv
->start_calib
) {
1437 iwl_chain_noise_calibration(priv
);
1438 iwl_sensitivity_calibration(priv
);
1441 mutex_unlock(&priv
->shrd
->mutex
);
1444 void iwlagn_prepare_restart(struct iwl_priv
*priv
)
1446 struct iwl_rxon_context
*ctx
;
1447 bool bt_full_concurrent
;
1448 u8 bt_ci_compliance
;
1453 lockdep_assert_held(&priv
->shrd
->mutex
);
1455 for_each_context(priv
, ctx
)
1460 * __iwl_down() will clear the BT status variables,
1461 * which is correct, but when we restart we really
1462 * want to keep them so restore them afterwards.
1464 * The restart process will later pick them up and
1465 * re-configure the hw when we reconfigure the BT
1468 bt_full_concurrent
= priv
->bt_full_concurrent
;
1469 bt_ci_compliance
= priv
->bt_ci_compliance
;
1470 bt_load
= priv
->bt_traffic_load
;
1471 bt_status
= priv
->bt_status
;
1472 bt_is_sco
= priv
->bt_is_sco
;
1476 priv
->bt_full_concurrent
= bt_full_concurrent
;
1477 priv
->bt_ci_compliance
= bt_ci_compliance
;
1478 priv
->bt_traffic_load
= bt_load
;
1479 priv
->bt_status
= bt_status
;
1480 priv
->bt_is_sco
= bt_is_sco
;
1483 static void iwl_bg_restart(struct work_struct
*data
)
1485 struct iwl_priv
*priv
= container_of(data
, struct iwl_priv
, restart
);
1487 if (test_bit(STATUS_EXIT_PENDING
, &priv
->shrd
->status
))
1490 if (test_and_clear_bit(STATUS_FW_ERROR
, &priv
->shrd
->status
)) {
1491 mutex_lock(&priv
->shrd
->mutex
);
1492 iwlagn_prepare_restart(priv
);
1493 mutex_unlock(&priv
->shrd
->mutex
);
1494 iwl_cancel_deferred_work(priv
);
1495 ieee80211_restart_hw(priv
->hw
);
1504 void iwlagn_disable_roc(struct iwl_priv
*priv
)
1506 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_PAN
];
1508 lockdep_assert_held(&priv
->shrd
->mutex
);
1510 if (!priv
->hw_roc_setup
)
1513 ctx
->staging
.dev_type
= RXON_DEV_TYPE_P2P
;
1514 ctx
->staging
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
1516 priv
->hw_roc_channel
= NULL
;
1518 memset(ctx
->staging
.node_addr
, 0, ETH_ALEN
);
1520 iwlagn_commit_rxon(priv
, ctx
);
1522 ctx
->is_active
= false;
1523 priv
->hw_roc_setup
= false;
1526 static void iwlagn_disable_roc_work(struct work_struct
*work
)
1528 struct iwl_priv
*priv
= container_of(work
, struct iwl_priv
,
1529 hw_roc_disable_work
.work
);
1531 mutex_lock(&priv
->shrd
->mutex
);
1532 iwlagn_disable_roc(priv
);
1533 mutex_unlock(&priv
->shrd
->mutex
);
1536 /*****************************************************************************
1538 * driver setup and teardown
1540 *****************************************************************************/
1542 static void iwl_setup_deferred_work(struct iwl_priv
*priv
)
1544 priv
->shrd
->workqueue
= create_singlethread_workqueue(DRV_NAME
);
1546 init_waitqueue_head(&priv
->shrd
->wait_command_queue
);
1548 INIT_WORK(&priv
->restart
, iwl_bg_restart
);
1549 INIT_WORK(&priv
->beacon_update
, iwl_bg_beacon_update
);
1550 INIT_WORK(&priv
->run_time_calib_work
, iwl_bg_run_time_calib_work
);
1551 INIT_WORK(&priv
->tx_flush
, iwl_bg_tx_flush
);
1552 INIT_WORK(&priv
->bt_full_concurrency
, iwl_bg_bt_full_concurrency
);
1553 INIT_WORK(&priv
->bt_runtime_config
, iwl_bg_bt_runtime_config
);
1554 INIT_DELAYED_WORK(&priv
->hw_roc_disable_work
,
1555 iwlagn_disable_roc_work
);
1557 iwl_setup_scan_deferred_work(priv
);
1559 if (cfg(priv
)->lib
->bt_setup_deferred_work
)
1560 cfg(priv
)->lib
->bt_setup_deferred_work(priv
);
1562 init_timer(&priv
->statistics_periodic
);
1563 priv
->statistics_periodic
.data
= (unsigned long)priv
;
1564 priv
->statistics_periodic
.function
= iwl_bg_statistics_periodic
;
1566 init_timer(&priv
->ucode_trace
);
1567 priv
->ucode_trace
.data
= (unsigned long)priv
;
1568 priv
->ucode_trace
.function
= iwl_bg_ucode_trace
;
1570 init_timer(&priv
->watchdog
);
1571 priv
->watchdog
.data
= (unsigned long)priv
;
1572 priv
->watchdog
.function
= iwl_bg_watchdog
;
1575 static void iwl_cancel_deferred_work(struct iwl_priv
*priv
)
1577 if (cfg(priv
)->lib
->cancel_deferred_work
)
1578 cfg(priv
)->lib
->cancel_deferred_work(priv
);
1580 cancel_work_sync(&priv
->run_time_calib_work
);
1581 cancel_work_sync(&priv
->beacon_update
);
1583 iwl_cancel_scan_deferred_work(priv
);
1585 cancel_work_sync(&priv
->bt_full_concurrency
);
1586 cancel_work_sync(&priv
->bt_runtime_config
);
1587 cancel_delayed_work_sync(&priv
->hw_roc_disable_work
);
1589 del_timer_sync(&priv
->statistics_periodic
);
1590 del_timer_sync(&priv
->ucode_trace
);
1593 static void iwl_init_hw_rates(struct iwl_priv
*priv
,
1594 struct ieee80211_rate
*rates
)
1598 for (i
= 0; i
< IWL_RATE_COUNT_LEGACY
; i
++) {
1599 rates
[i
].bitrate
= iwl_rates
[i
].ieee
* 5;
1600 rates
[i
].hw_value
= i
; /* Rate scaling will work on indexes */
1601 rates
[i
].hw_value_short
= i
;
1603 if ((i
>= IWL_FIRST_CCK_RATE
) && (i
<= IWL_LAST_CCK_RATE
)) {
1605 * If CCK != 1M then set short preamble rate flag.
1608 (iwl_rates
[i
].plcp
== IWL_RATE_1M_PLCP
) ?
1609 0 : IEEE80211_RATE_SHORT_PREAMBLE
;
1614 static int iwl_init_drv(struct iwl_priv
*priv
)
1618 spin_lock_init(&priv
->shrd
->sta_lock
);
1620 mutex_init(&priv
->shrd
->mutex
);
1622 INIT_LIST_HEAD(&trans(priv
)->calib_results
);
1624 priv
->ieee_channels
= NULL
;
1625 priv
->ieee_rates
= NULL
;
1626 priv
->band
= IEEE80211_BAND_2GHZ
;
1628 priv
->iw_mode
= NL80211_IFTYPE_STATION
;
1629 priv
->current_ht_config
.smps
= IEEE80211_SMPS_STATIC
;
1630 priv
->missed_beacon_threshold
= IWL_MISSED_BEACON_THRESHOLD_DEF
;
1631 priv
->agg_tids_count
= 0;
1633 /* initialize force reset */
1634 priv
->force_reset
[IWL_RF_RESET
].reset_duration
=
1635 IWL_DELAY_NEXT_FORCE_RF_RESET
;
1636 priv
->force_reset
[IWL_FW_RESET
].reset_duration
=
1637 IWL_DELAY_NEXT_FORCE_FW_RELOAD
;
1639 priv
->rx_statistics_jiffies
= jiffies
;
1641 /* Choose which receivers/antennas to use */
1642 iwlagn_set_rxon_chain(priv
, &priv
->contexts
[IWL_RXON_CTX_BSS
]);
1644 iwl_init_scan_params(priv
);
1647 if (cfg(priv
)->bt_params
&&
1648 cfg(priv
)->bt_params
->advanced_bt_coexist
) {
1649 priv
->kill_ack_mask
= IWLAGN_BT_KILL_ACK_MASK_DEFAULT
;
1650 priv
->kill_cts_mask
= IWLAGN_BT_KILL_CTS_MASK_DEFAULT
;
1651 priv
->bt_valid
= IWLAGN_BT_ALL_VALID_MSK
;
1652 priv
->bt_on_thresh
= BT_ON_THRESHOLD_DEF
;
1653 priv
->bt_duration
= BT_DURATION_LIMIT_DEF
;
1654 priv
->dynamic_frag_thresh
= BT_FRAG_THRESHOLD_DEF
;
1657 ret
= iwl_init_channel_map(priv
);
1659 IWL_ERR(priv
, "initializing regulatory failed: %d\n", ret
);
1663 ret
= iwl_init_geos(priv
);
1665 IWL_ERR(priv
, "initializing geos failed: %d\n", ret
);
1666 goto err_free_channel_map
;
1668 iwl_init_hw_rates(priv
, priv
->ieee_rates
);
1672 err_free_channel_map
:
1673 iwl_free_channel_map(priv
);
1678 static void iwl_uninit_drv(struct iwl_priv
*priv
)
1680 iwl_free_geos(priv
);
1681 iwl_free_channel_map(priv
);
1682 if (priv
->tx_cmd_pool
)
1683 kmem_cache_destroy(priv
->tx_cmd_pool
);
1684 kfree(priv
->scan_cmd
);
1685 kfree(priv
->beacon_cmd
);
1686 kfree(rcu_dereference_raw(priv
->noa_data
));
1687 #ifdef CONFIG_IWLWIFI_DEBUGFS
1688 kfree(priv
->wowlan_sram
);
1694 static u32
iwl_hw_detect(struct iwl_priv
*priv
)
1696 return iwl_read32(bus(priv
), CSR_HW_REV
);
1699 /* Size of one Rx buffer in host DRAM */
1700 #define IWL_RX_BUF_SIZE_4K (4 * 1024)
1701 #define IWL_RX_BUF_SIZE_8K (8 * 1024)
1703 static int iwl_set_hw_params(struct iwl_priv
*priv
)
1705 if (iwlagn_mod_params
.amsdu_size_8K
)
1706 hw_params(priv
).rx_page_order
=
1707 get_order(IWL_RX_BUF_SIZE_8K
);
1709 hw_params(priv
).rx_page_order
=
1710 get_order(IWL_RX_BUF_SIZE_4K
);
1712 if (iwlagn_mod_params
.disable_11n
& IWL_DISABLE_HT_ALL
)
1713 cfg(priv
)->sku
&= ~EEPROM_SKU_CAP_11N_ENABLE
;
1715 hw_params(priv
).num_ampdu_queues
=
1716 cfg(priv
)->base_params
->num_of_ampdu_queues
;
1717 hw_params(priv
).shadow_reg_enable
=
1718 cfg(priv
)->base_params
->shadow_reg_enable
;
1719 hw_params(priv
).sku
= cfg(priv
)->sku
;
1720 hw_params(priv
).wd_timeout
= cfg(priv
)->base_params
->wd_timeout
;
1722 /* Device-specific setup */
1723 return cfg(priv
)->lib
->set_hw_params(priv
);
1728 static void iwl_debug_config(struct iwl_priv
*priv
)
1730 dev_printk(KERN_INFO
, bus(priv
)->dev
, "CONFIG_IWLWIFI_DEBUG "
1731 #ifdef CONFIG_IWLWIFI_DEBUG
1736 dev_printk(KERN_INFO
, bus(priv
)->dev
, "CONFIG_IWLWIFI_DEBUGFS "
1737 #ifdef CONFIG_IWLWIFI_DEBUGFS
1742 dev_printk(KERN_INFO
, bus(priv
)->dev
, "CONFIG_IWLWIFI_DEVICE_TRACING "
1743 #ifdef CONFIG_IWLWIFI_DEVICE_TRACING
1749 dev_printk(KERN_INFO
, bus(priv
)->dev
, "CONFIG_IWLWIFI_DEVICE_TESTMODE "
1750 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
1755 dev_printk(KERN_INFO
, bus(priv
)->dev
, "CONFIG_IWLWIFI_P2P "
1756 #ifdef CONFIG_IWLWIFI_P2P
1763 int iwl_probe(struct iwl_bus
*bus
, const struct iwl_trans_ops
*trans_ops
,
1764 struct iwl_cfg
*cfg
)
1767 struct iwl_priv
*priv
;
1768 struct ieee80211_hw
*hw
;
1772 /************************
1773 * 1. Allocating HW data
1774 ************************/
1775 hw
= iwl_alloc_all();
1777 pr_err("%s: Cannot allocate network device\n", cfg
->name
);
1783 priv
->shrd
= bus
->shrd
;
1784 priv
->shrd
->priv
= priv
;
1786 /* At this point both hw and priv are allocated. */
1788 SET_IEEE80211_DEV(hw
, bus(priv
)->dev
);
1790 /* what debugging capabilities we have */
1791 iwl_debug_config(priv
);
1793 IWL_DEBUG_INFO(priv
, "*** LOAD DRIVER ***\n");
1796 /* is antenna coupling more than 35dB ? */
1797 priv
->bt_ant_couple_ok
=
1798 (iwlagn_mod_params
.ant_coupling
>
1799 IWL_BT_ANTENNA_COUPLING_THRESHOLD
) ?
1802 /* enable/disable bt channel inhibition */
1803 priv
->bt_ch_announce
= iwlagn_mod_params
.bt_ch_announce
;
1804 IWL_DEBUG_INFO(priv
, "BT channel inhibition is %s\n",
1805 (priv
->bt_ch_announce
) ? "On" : "Off");
1807 if (iwl_alloc_traffic_mem(priv
))
1808 IWL_ERR(priv
, "Not enough memory to generate traffic log\n");
1810 /* these spin locks will be used in apm_ops.init and EEPROM access
1811 * we should init now
1813 spin_lock_init(&bus(priv
)->reg_lock
);
1814 spin_lock_init(&priv
->shrd
->lock
);
1817 * stop and reset the on-board processor just in case it is in a
1818 * strange state ... like being left stranded by a primary kernel
1819 * and this is now the kdump kernel trying to start up
1821 iwl_write32(bus(priv
), CSR_RESET
, CSR_RESET_REG_FLAG_NEVO_RESET
);
1823 /***********************
1824 * 3. Read REV register
1825 ***********************/
1826 hw_rev
= iwl_hw_detect(priv
);
1827 IWL_INFO(priv
, "Detected %s, REV=0x%X\n",
1828 cfg(priv
)->name
, hw_rev
);
1830 err
= iwl_trans_request_irq(trans(priv
));
1832 goto out_free_traffic_mem
;
1834 if (iwl_trans_prepare_card_hw(trans(priv
))) {
1836 IWL_WARN(priv
, "Failed, HW not ready\n");
1837 goto out_free_traffic_mem
;
1843 /* switch the NIC on before accessing the EEPROM */
1845 /* Read the EEPROM */
1846 err
= iwl_eeprom_init(priv
, hw_rev
);
1847 /* Reset chip to save power until we load uCode during "up". */
1850 IWL_ERR(priv
, "Unable to init EEPROM\n");
1851 goto out_free_traffic_mem
;
1853 err
= iwl_eeprom_check_version(priv
);
1855 goto out_free_eeprom
;
1857 err
= iwl_eeprom_check_sku(priv
);
1859 goto out_free_eeprom
;
1861 /* extract MAC Address */
1862 iwl_eeprom_get_mac(priv
->shrd
, priv
->addresses
[0].addr
);
1863 IWL_DEBUG_INFO(priv
, "MAC address: %pM\n", priv
->addresses
[0].addr
);
1864 priv
->hw
->wiphy
->addresses
= priv
->addresses
;
1865 priv
->hw
->wiphy
->n_addresses
= 1;
1866 num_mac
= iwl_eeprom_query16(priv
->shrd
, EEPROM_NUM_MAC_ADDRESS
);
1868 memcpy(priv
->addresses
[1].addr
, priv
->addresses
[0].addr
,
1870 priv
->addresses
[1].addr
[5]++;
1871 priv
->hw
->wiphy
->n_addresses
++;
1874 /************************
1875 * 5. Setup HW constants
1876 ************************/
1877 if (iwl_set_hw_params(priv
)) {
1879 IWL_ERR(priv
, "failed to set hw parameters\n");
1880 goto out_free_eeprom
;
1883 /*******************
1885 *******************/
1887 err
= iwl_init_drv(priv
);
1889 goto out_free_eeprom
;
1890 /* At this point both hw and priv are initialized. */
1892 /********************
1894 ********************/
1895 iwl_setup_deferred_work(priv
);
1896 iwl_setup_rx_handlers(priv
);
1897 iwl_testmode_init(priv
);
1899 /*********************************************
1900 * 8. Enable interrupts
1901 *********************************************/
1903 iwl_enable_rfkill_int(priv
);
1905 /* If platform's RF_KILL switch is NOT set to KILL */
1906 if (iwl_read32(bus(priv
),
1907 CSR_GP_CNTRL
) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW
)
1908 clear_bit(STATUS_RF_KILL_HW
, &priv
->shrd
->status
);
1910 set_bit(STATUS_RF_KILL_HW
, &priv
->shrd
->status
);
1912 wiphy_rfkill_set_hw_state(priv
->hw
->wiphy
,
1913 test_bit(STATUS_RF_KILL_HW
, &priv
->shrd
->status
));
1915 iwl_power_initialize(priv
);
1916 iwl_tt_initialize(priv
);
1918 init_completion(&priv
->firmware_loading_complete
);
1920 err
= iwl_request_firmware(priv
, true);
1922 goto out_destroy_workqueue
;
1926 out_destroy_workqueue
:
1927 destroy_workqueue(priv
->shrd
->workqueue
);
1928 priv
->shrd
->workqueue
= NULL
;
1929 iwl_uninit_drv(priv
);
1931 iwl_eeprom_free(priv
->shrd
);
1932 out_free_traffic_mem
:
1933 iwl_free_traffic_mem(priv
);
1934 ieee80211_free_hw(priv
->hw
);
1939 void __devexit
iwl_remove(struct iwl_priv
* priv
)
1941 wait_for_completion(&priv
->firmware_loading_complete
);
1943 IWL_DEBUG_INFO(priv
, "*** UNLOAD DRIVER ***\n");
1945 iwl_dbgfs_unregister(priv
);
1947 /* ieee80211_unregister_hw call wil cause iwlagn_mac_stop to
1948 * to be called and iwl_down since we are removing the device
1949 * we need to set STATUS_EXIT_PENDING bit.
1951 set_bit(STATUS_EXIT_PENDING
, &priv
->shrd
->status
);
1953 iwl_testmode_cleanup(priv
);
1954 iwlagn_mac_unregister(priv
);
1958 /*This will stop the queues, move the device to low power state */
1959 iwl_trans_stop_device(trans(priv
));
1961 iwl_dealloc_ucode(trans(priv
));
1963 iwl_eeprom_free(priv
->shrd
);
1965 /*netif_stop_queue(dev); */
1966 flush_workqueue(priv
->shrd
->workqueue
);
1968 /* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes
1969 * priv->shrd->workqueue... so we can't take down the workqueue
1971 destroy_workqueue(priv
->shrd
->workqueue
);
1972 priv
->shrd
->workqueue
= NULL
;
1973 iwl_free_traffic_mem(priv
);
1975 iwl_uninit_drv(priv
);
1977 dev_kfree_skb(priv
->beacon_skb
);
1979 ieee80211_free_hw(priv
->hw
);
1983 /*****************************************************************************
1985 * driver and module entry point
1987 *****************************************************************************/
1988 static int __init
iwl_init(void)
1992 pr_info(DRV_DESCRIPTION
", " DRV_VERSION
"\n");
1993 pr_info(DRV_COPYRIGHT
"\n");
1995 ret
= iwlagn_rate_control_register();
1997 pr_err("Unable to register rate control algorithm: %d\n", ret
);
2001 ret
= iwl_pci_register_driver();
2004 goto error_register
;
2008 iwlagn_rate_control_unregister();
2012 static void __exit
iwl_exit(void)
2014 iwl_pci_unregister_driver();
2015 iwlagn_rate_control_unregister();
2018 module_exit(iwl_exit
);
2019 module_init(iwl_init
);
2021 #ifdef CONFIG_IWLWIFI_DEBUG
2022 module_param_named(debug
, iwlagn_mod_params
.debug_level
, uint
,
2024 MODULE_PARM_DESC(debug
, "debug output mask");
2027 module_param_named(swcrypto
, iwlagn_mod_params
.sw_crypto
, int, S_IRUGO
);
2028 MODULE_PARM_DESC(swcrypto
, "using crypto in software (default 0 [hardware])");
2029 module_param_named(queues_num
, iwlagn_mod_params
.num_of_queues
, int, S_IRUGO
);
2030 MODULE_PARM_DESC(queues_num
, "number of hw queues.");
2031 module_param_named(11n_disable
, iwlagn_mod_params
.disable_11n
, uint
, S_IRUGO
);
2032 MODULE_PARM_DESC(11n_disable
,
2033 "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");
2034 module_param_named(amsdu_size_8K
, iwlagn_mod_params
.amsdu_size_8K
,
2036 MODULE_PARM_DESC(amsdu_size_8K
, "enable 8K amsdu size");
2037 module_param_named(fw_restart
, iwlagn_mod_params
.restart_fw
, int, S_IRUGO
);
2038 MODULE_PARM_DESC(fw_restart
, "restart firmware in case of error");
2040 module_param_named(ucode_alternative
,
2041 iwlagn_mod_params
.wanted_ucode_alternative
,
2043 MODULE_PARM_DESC(ucode_alternative
,
2044 "specify ucode alternative to use from ucode file");
2046 module_param_named(antenna_coupling
, iwlagn_mod_params
.ant_coupling
,
2048 MODULE_PARM_DESC(antenna_coupling
,
2049 "specify antenna coupling in dB (defualt: 0 dB)");
2051 module_param_named(bt_ch_inhibition
, iwlagn_mod_params
.bt_ch_announce
,
2053 MODULE_PARM_DESC(bt_ch_inhibition
,
2054 "Enable BT channel inhibition (default: enable)");
2056 module_param_named(plcp_check
, iwlagn_mod_params
.plcp_check
, bool, S_IRUGO
);
2057 MODULE_PARM_DESC(plcp_check
, "Check plcp health (default: 1 [enabled])");
2059 module_param_named(ack_check
, iwlagn_mod_params
.ack_check
, bool, S_IRUGO
);
2060 MODULE_PARM_DESC(ack_check
, "Check ack health (default: 0 [disabled])");
2062 module_param_named(wd_disable
, iwlagn_mod_params
.wd_disable
, int, S_IRUGO
);
2063 MODULE_PARM_DESC(wd_disable
,
2064 "Disable stuck queue watchdog timer 0=system default, "
2065 "1=disable, 2=enable (default: 0)");
2068 * set bt_coex_active to true, uCode will do kill/defer
2069 * every time the priority line is asserted (BT is sending signals on the
2070 * priority line in the PCIx).
2071 * set bt_coex_active to false, uCode will ignore the BT activity and
2072 * perform the normal operation
2074 * User might experience transmit issue on some platform due to WiFi/BT
2075 * co-exist problem. The possible behaviors are:
2076 * Able to scan and finding all the available AP
2077 * Not able to associate with any AP
2078 * On those platforms, WiFi communication can be restored by set
2079 * "bt_coex_active" module parameter to "false"
2081 * default: bt_coex_active = true (BT_COEX_ENABLE)
2083 module_param_named(bt_coex_active
, iwlagn_mod_params
.bt_coex_active
,
2085 MODULE_PARM_DESC(bt_coex_active
, "enable wifi/bt co-exist (default: enable)");
2087 module_param_named(led_mode
, iwlagn_mod_params
.led_mode
, int, S_IRUGO
);
2088 MODULE_PARM_DESC(led_mode
, "0=system default, "
2089 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
2091 module_param_named(power_save
, iwlagn_mod_params
.power_save
,
2093 MODULE_PARM_DESC(power_save
,
2094 "enable WiFi power management (default: disable)");
2096 module_param_named(power_level
, iwlagn_mod_params
.power_level
,
2098 MODULE_PARM_DESC(power_level
,
2099 "default power save level (range from 1 - 5, default: 1)");
2101 module_param_named(auto_agg
, iwlagn_mod_params
.auto_agg
,
2103 MODULE_PARM_DESC(auto_agg
,
2104 "enable agg w/o check traffic load (default: enable)");
2107 * For now, keep using power level 1 instead of automatically
2110 module_param_named(no_sleep_autoadjust
, iwlagn_mod_params
.no_sleep_autoadjust
,
2112 MODULE_PARM_DESC(no_sleep_autoadjust
,
2113 "don't automatically adjust sleep level "
2114 "according to maximum network latency (default: true)");