1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
34 * All rights reserved.
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37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
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43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *****************************************************************************/
67 #include <linux/list.h>
68 #include <linux/spinlock.h>
69 #include <linux/leds.h>
70 #include <linux/in6.h>
72 #include "iwl-op-mode.h"
73 #include "iwl-trans.h"
74 #include "iwl-notif-wait.h"
75 #include "iwl-eeprom-parse.h"
78 #include "constants.h"
80 #define IWL_INVALID_MAC80211_QUEUE 0xff
81 #define IWL_MVM_MAX_ADDRESSES 5
82 /* RSSI offset for WkP */
83 #define IWL_RSSI_OFFSET 50
84 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
85 /* A TimeUnit is 1024 microsecond */
86 #define MSEC_TO_TU(_msec) (_msec*1000/1024)
89 * The CSA NoA is scheduled IWL_MVM_CHANNEL_SWITCH_TIME TUs before "beacon 0"
90 * TBTT. This value should be big enough to ensure that we switch in time.
92 #define IWL_MVM_CHANNEL_SWITCH_TIME 40
95 * This value (in TUs) is used to fine tune the CSA NoA end time which should
96 * be just before "beacon 0" TBTT.
98 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
101 * Number of beacons to transmit on a new channel until we unblock tx to
102 * the stations, even if we didn't identify them on a new channel
104 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
106 enum iwl_mvm_tx_fifo
{
107 IWL_MVM_TX_FIFO_BK
= 0,
111 IWL_MVM_TX_FIFO_MCAST
= 5,
114 extern const struct ieee80211_ops iwl_mvm_hw_ops
;
117 * struct iwl_mvm_mod_params - module parameters for iwlmvm
118 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
119 * We will register to mac80211 to have testmode working. The NIC must not
120 * be up'ed after the INIT fw asserted. This is useful to be able to use
121 * proprietary tools over testmode to debug the INIT fw.
122 * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
123 * Save)-2(default), LP(Low Power)-3
125 struct iwl_mvm_mod_params
{
129 extern struct iwl_mvm_mod_params iwlmvm_mod_params
;
132 * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
134 * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
135 * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
137 * @trans_len: length of the valid data in trans_ptr
138 * @op_mode_len: length of the valid data in op_mode_ptr
140 struct iwl_mvm_dump_ptrs
{
141 struct iwl_trans_dump_data
*trans_ptr
;
146 struct iwl_mvm_phy_ctxt
{
152 * TODO: This should probably be removed. Currently here only for rate
155 struct ieee80211_channel
*channel
;
158 struct iwl_mvm_time_event_data
{
159 struct ieee80211_vif
*vif
;
160 struct list_head list
;
161 unsigned long end_jiffies
;
167 * The access to the 'id' field must be done when the
168 * mvm->time_event_lock is held, as it value is used to indicate
169 * if the te is in the time event list or not (when id == TE_MAX)
174 /* Power management */
177 * enum iwl_power_scheme
178 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
179 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
180 * @IWL_POWER_LEVEL_LP - Low Power
182 enum iwl_power_scheme
{
183 IWL_POWER_SCHEME_CAM
= 1,
184 IWL_POWER_SCHEME_BPS
,
188 #define IWL_CONN_MAX_LISTEN_INTERVAL 10
189 #define IWL_UAPSD_AC_INFO (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\
190 IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |\
191 IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |\
192 IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
193 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_2
195 #ifdef CONFIG_IWLWIFI_DEBUGFS
196 enum iwl_dbgfs_pm_mask
{
197 MVM_DEBUGFS_PM_KEEP_ALIVE
= BIT(0),
198 MVM_DEBUGFS_PM_SKIP_OVER_DTIM
= BIT(1),
199 MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS
= BIT(2),
200 MVM_DEBUGFS_PM_RX_DATA_TIMEOUT
= BIT(3),
201 MVM_DEBUGFS_PM_TX_DATA_TIMEOUT
= BIT(4),
202 MVM_DEBUGFS_PM_LPRX_ENA
= BIT(6),
203 MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD
= BIT(7),
204 MVM_DEBUGFS_PM_SNOOZE_ENABLE
= BIT(8),
205 MVM_DEBUGFS_PM_UAPSD_MISBEHAVING
= BIT(9),
208 struct iwl_dbgfs_pm
{
209 u16 keep_alive_seconds
;
213 u8 skip_dtim_periods
;
215 u32 lprx_rssi_threshold
;
217 bool uapsd_misbehaving
;
221 /* beacon filtering */
223 enum iwl_dbgfs_bf_mask
{
224 MVM_DEBUGFS_BF_ENERGY_DELTA
= BIT(0),
225 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA
= BIT(1),
226 MVM_DEBUGFS_BF_ROAMING_STATE
= BIT(2),
227 MVM_DEBUGFS_BF_TEMP_THRESHOLD
= BIT(3),
228 MVM_DEBUGFS_BF_TEMP_FAST_FILTER
= BIT(4),
229 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER
= BIT(5),
230 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER
= BIT(6),
231 MVM_DEBUGFS_BF_DEBUG_FLAG
= BIT(7),
232 MVM_DEBUGFS_BF_ESCAPE_TIMER
= BIT(8),
233 MVM_DEBUGFS_BA_ESCAPE_TIMER
= BIT(9),
234 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT
= BIT(10),
237 struct iwl_dbgfs_bf
{
239 u32 bf_roaming_energy_delta
;
240 u32 bf_roaming_state
;
241 u32 bf_temp_threshold
;
242 u32 bf_temp_fast_filter
;
243 u32 bf_temp_slow_filter
;
244 u32 bf_enable_beacon_filter
;
248 u32 ba_enable_beacon_abort
;
253 enum iwl_mvm_smps_type_request
{
254 IWL_MVM_SMPS_REQ_BT_COEX
,
256 NUM_IWL_MVM_SMPS_REQ
,
259 enum iwl_mvm_ref_type
{
260 IWL_MVM_REF_UCODE_DOWN
,
263 IWL_MVM_REF_P2P_CLIENT
,
269 IWL_MVM_REF_START_AP
,
270 IWL_MVM_REF_BSS_CHANGED
,
271 IWL_MVM_REF_PREPARE_TX
,
272 IWL_MVM_REF_PROTECT_TDLS
,
273 IWL_MVM_REF_CHECK_CTKILL
,
274 IWL_MVM_REF_PRPH_READ
,
275 IWL_MVM_REF_PRPH_WRITE
,
278 IWL_MVM_REF_EXIT_WORK
,
283 enum iwl_bt_force_ant_mode
{
284 BT_FORCE_ANT_DIS
= 0,
293 * struct iwl_mvm_vif_bf_data - beacon filtering related data
294 * @bf_enabled: indicates if beacon filtering is enabled
295 * @ba_enabled: indicated if beacon abort is enabled
296 * @last_beacon_signal: last beacon rssi signal in dbm
297 * @ave_beacon_signal: average beacon signal
298 * @last_cqm_event: rssi of the last cqm event
299 * @bt_coex_min_thold: minimum threshold for BT coex
300 * @bt_coex_max_thold: maximum threshold for BT coex
301 * @last_bt_coex_event: rssi of the last BT coex event
303 struct iwl_mvm_vif_bf_data
{
306 s8 ave_beacon_signal
;
308 s8 bt_coex_min_thold
;
309 s8 bt_coex_max_thold
;
310 s8 last_bt_coex_event
;
314 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
315 * @id: between 0 and 3
316 * @color: to solve races upon MAC addition and removal
317 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
318 * @uploaded: indicates the MAC context has been added to the device
319 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
320 * should get quota etc.
321 * @pm_enabled - Indicate if MAC power management is allowed
322 * @monitor_active: indicates that monitor context is configured, and that the
323 * interface should get quota etc.
324 * @low_latency: indicates that this interface is in low-latency mode
325 * (VMACLowLatencyMode)
326 * @queue_params: QoS params for this MAC
327 * @bcast_sta: station used for broadcast packets. Used by the following
328 * vifs: P2P_DEVICE, GO and AP.
329 * @beacon_skb: the skb used to hold the AP/GO beacon template
330 * @smps_requests: the SMPS requests of differents parts of the driver,
331 * combined on update to yield the overall request to mac80211.
343 struct iwl_mvm_vif_bf_data bf_data
;
347 enum iwl_tsf_id tsf_id
;
350 * QoS data from mac80211, need to store this here
351 * as mac80211 has a separate callback but we need
352 * to have the data for the MAC context
354 struct ieee80211_tx_queue_params queue_params
[IEEE80211_NUM_ACS
];
355 struct iwl_mvm_time_event_data time_event_data
;
356 struct iwl_mvm_time_event_data hs_time_event_data
;
358 struct iwl_mvm_int_sta bcast_sta
;
361 * Assigned while mac80211 has the interface in a channel context,
362 * or, for P2P Device, while it exists.
364 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
366 #ifdef CONFIG_PM_SLEEP
367 /* WoWLAN GTK rekey data */
369 u8 kck
[NL80211_KCK_LEN
], kek
[NL80211_KEK_LEN
];
380 #if IS_ENABLED(CONFIG_IPV6)
381 /* IPv6 addresses for WoWLAN */
382 struct in6_addr target_ipv6_addrs
[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX
];
383 int num_target_ipv6_addrs
;
386 #ifdef CONFIG_IWLWIFI_DEBUGFS
388 struct dentry
*dbgfs_dir
;
389 struct dentry
*dbgfs_slink
;
390 struct iwl_dbgfs_pm dbgfs_pm
;
391 struct iwl_dbgfs_bf dbgfs_bf
;
392 struct iwl_mac_power_cmd mac_pwr_cmd
;
395 enum ieee80211_smps_mode smps_requests
[NUM_IWL_MVM_SMPS_REQ
];
397 /* FW identified misbehaving AP */
398 u8 uapsd_misbehaving_bssid
[ETH_ALEN
];
401 static inline struct iwl_mvm_vif
*
402 iwl_mvm_vif_from_mac80211(struct ieee80211_vif
*vif
)
404 return (void *)vif
->drv_priv
;
407 extern const u8 tid_to_mac80211_ac
[];
409 enum iwl_scan_status
{
416 * struct iwl_nvm_section - describes an NVM section in memory.
418 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
419 * and saved for later use by the driver. Not all NVM sections are saved
420 * this way, only the needed ones.
422 struct iwl_nvm_section
{
428 * Tx-backoff threshold
429 * @temperature: The threshold in Celsius
430 * @backoff: The tx-backoff in uSec
432 struct iwl_tt_tx_backoff
{
437 #define TT_TX_BACKOFF_SIZE 6
440 * struct iwl_tt_params - thermal throttling parameters
441 * @ct_kill_entry: CT Kill entry threshold
442 * @ct_kill_exit: CT Kill exit threshold
443 * @ct_kill_duration: The time intervals (in uSec) in which the driver needs
444 * to checks whether to exit CT Kill.
445 * @dynamic_smps_entry: Dynamic SMPS entry threshold
446 * @dynamic_smps_exit: Dynamic SMPS exit threshold
447 * @tx_protection_entry: TX protection entry threshold
448 * @tx_protection_exit: TX protection exit threshold
449 * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
450 * @support_ct_kill: Support CT Kill?
451 * @support_dynamic_smps: Support dynamic SMPS?
452 * @support_tx_protection: Support tx protection?
453 * @support_tx_backoff: Support tx-backoff?
455 struct iwl_tt_params
{
458 u32 ct_kill_duration
;
459 s32 dynamic_smps_entry
;
460 s32 dynamic_smps_exit
;
461 s32 tx_protection_entry
;
462 s32 tx_protection_exit
;
463 struct iwl_tt_tx_backoff tx_backoff
[TT_TX_BACKOFF_SIZE
];
464 bool support_ct_kill
;
465 bool support_dynamic_smps
;
466 bool support_tx_protection
;
467 bool support_tx_backoff
;
471 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
472 * @ct_kill_exit: worker to exit thermal kill
473 * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
474 * @tx_backoff: The current thremal throttling tx backoff in uSec.
475 * @min_backoff: The minimal tx backoff due to power restrictions
476 * @params: Parameters to configure the thermal throttling algorithm.
477 * @throttle: Is thermal throttling is active?
479 struct iwl_mvm_tt_mgmt
{
480 struct delayed_work ct_kill_exit
;
484 const struct iwl_tt_params
*params
;
488 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
490 struct iwl_mvm_frame_stats
{
506 u32 last_rates
[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES
];
515 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
516 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
517 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
520 /* for logger access */
523 struct iwl_trans
*trans
;
524 const struct iwl_fw
*fw
;
525 const struct iwl_cfg
*cfg
;
526 struct iwl_phy_db
*phy_db
;
527 struct ieee80211_hw
*hw
;
529 /* for protecting access to iwl_mvm */
531 struct list_head async_handlers_list
;
532 spinlock_t async_handlers_lock
;
533 struct work_struct async_handlers_wk
;
535 struct work_struct roc_done_wk
;
537 unsigned long status
;
540 * for beacon filtering -
541 * currently only one interface can be supported
543 struct iwl_mvm_vif
*bf_allowed_vif
;
545 enum iwl_ucode_type cur_ucode
;
547 bool init_ucode_complete
;
548 u32 error_event_table
;
550 u32 umac_error_event_table
;
551 bool support_umac_log
;
552 struct iwl_sf_region sf_space
;
556 struct iwl_notif_wait_data notif_wait
;
558 struct mvm_statistics_rx rx_stats
;
560 unsigned long transport_queue_stop
;
561 u8 queue_to_mac80211
[IWL_MAX_HW_QUEUES
];
562 atomic_t queue_stop_count
[IWL_MAX_HW_QUEUES
];
564 const char *nvm_file_name
;
565 struct iwl_nvm_data
*nvm_data
;
567 struct iwl_nvm_section nvm_sections
[NVM_MAX_NUM_SECTIONS
];
569 /* EEPROM MAC addresses */
570 struct mac_address addresses
[IWL_MVM_MAX_ADDRESSES
];
572 /* data related to data path */
573 struct iwl_rx_phy_info last_phy_info
;
574 struct ieee80211_sta __rcu
*fw_id_to_mac_id
[IWL_MVM_STATION_COUNT
];
575 struct work_struct sta_drained_wk
;
576 unsigned long sta_drained
[BITS_TO_LONGS(IWL_MVM_STATION_COUNT
)];
577 atomic_t pending_frames
[IWL_MVM_STATION_COUNT
];
580 /* configured by mac80211 */
583 /* Scan status, cmd (pre-allocated) and auxiliary station */
584 enum iwl_scan_status scan_status
;
586 struct iwl_mcast_filter_cmd
*mcast_filter_cmd
;
588 /* rx chain antennas set through debugfs for the scan command */
591 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
592 /* broadcast filters to configure for each associated station */
593 const struct iwl_fw_bcast_filter
*bcast_filters
;
594 #ifdef CONFIG_IWLWIFI_DEBUGFS
596 u32 override
; /* u32 for debugfs_create_bool */
597 struct iwl_bcast_filter_cmd cmd
;
598 } dbgfs_bcast_filtering
;
602 /* Internal station */
603 struct iwl_mvm_int_sta aux_sta
;
605 bool last_ebs_successful
;
607 u8 scan_last_antenna_idx
; /* to toggle TX between antennas */
608 u8 mgmt_last_antenna_idx
;
610 /* last smart fifo state that was successfully sent to firmware */
611 enum iwl_sf_state sf_state
;
613 #ifdef CONFIG_IWLWIFI_DEBUGFS
614 struct dentry
*debugfs_dir
;
615 u32 dbgfs_sram_offset
, dbgfs_sram_len
;
616 u32 dbgfs_prph_reg_addr
;
617 bool disable_power_off
;
618 bool disable_power_off_d3
;
620 struct debugfs_blob_wrapper nvm_hw_blob
;
621 struct debugfs_blob_wrapper nvm_sw_blob
;
622 struct debugfs_blob_wrapper nvm_calib_blob
;
623 struct debugfs_blob_wrapper nvm_prod_blob
;
625 struct iwl_mvm_frame_stats drv_rx_stats
;
626 spinlock_t drv_stats_lock
;
629 struct iwl_mvm_phy_ctxt phy_ctxts
[NUM_PHY_CTX
];
631 struct list_head time_event_list
;
632 spinlock_t time_event_lock
;
635 * A bitmap indicating the index of the key in use. The firmware
636 * can hold 16 keys at most. Reflect this fact.
638 unsigned long fw_key_table
[BITS_TO_LONGS(STA_KEY_MAX_NUM
)];
640 /* references taken by the driver and spinlock protecting them */
641 spinlock_t refs_lock
;
642 u8 refs
[IWL_MVM_REF_COUNT
];
646 /* -1 for always, 0 for never, >0 for that many times */
648 struct iwl_mvm_dump_ptrs
*fw_error_dump
;
650 #ifdef CONFIG_IWLWIFI_LEDS
651 struct led_classdev led
;
654 struct ieee80211_vif
*p2p_device_vif
;
656 #ifdef CONFIG_PM_SLEEP
657 struct wiphy_wowlan_support wowlan
;
658 int gtk_ivlen
, gtk_icvlen
, ptk_ivlen
, ptk_icvlen
;
659 #ifdef CONFIG_IWLWIFI_DEBUGFS
660 u32 d3_wake_sysassert
; /* must be u32 for debugfs_create_bool */
662 bool store_d3_resume_sram
;
663 void *d3_resume_sram
;
665 struct ieee80211_vif
*keep_vif
;
671 bool d0i3_offloading
;
672 struct work_struct d0i3_exit_work
;
673 struct sk_buff_head d0i3_tx
;
674 /* protect d0i3_suspend_flags */
675 struct mutex d0i3_suspend_mutex
;
676 unsigned long d0i3_suspend_flags
;
677 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
678 spinlock_t d0i3_tx_lock
;
679 wait_queue_head_t d0i3_exit_waitq
;
682 u8 bt_ack_kill_msk
[NUM_PHY_CTX
];
683 u8 bt_cts_kill_msk
[NUM_PHY_CTX
];
685 struct iwl_bt_coex_profile_notif_old last_bt_notif_old
;
686 struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old
;
687 struct iwl_bt_coex_profile_notif last_bt_notif
;
688 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd
;
693 enum iwl_bt_force_ant_mode bt_force_ant_mode
;
696 struct list_head aux_roc_te_list
;
698 /* Thermal Throttling and CTkill */
699 struct iwl_mvm_tt_mgmt thermal_throttle
;
700 s32 temperature
; /* Celsius */
702 * Debug option to set the NIC temperature. This option makes the
703 * driver think this is the actual NIC temperature, and ignore the
704 * real temperature that is received from the fw
706 bool temperature_test
; /* Debug test temperature is enabled */
708 #ifdef CONFIG_NL80211_TESTMODE
710 struct ieee80211_vif
*noa_vif
;
718 /* Indicate if device power save is allowed */
721 struct ieee80211_vif __rcu
*csa_vif
;
722 struct ieee80211_vif __rcu
*csa_tx_blocked_vif
;
723 u8 csa_tx_block_bcn_timeout
;
725 /* system time of last beacon (for AP/GO interface) */
726 u32 ap_last_beacon_gp2
;
729 /* Extract MVM priv from op_mode and _hw */
730 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \
731 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
733 #define IWL_MAC80211_GET_MVM(_hw) \
734 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
736 enum iwl_mvm_status
{
737 IWL_MVM_STATUS_HW_RFKILL
,
738 IWL_MVM_STATUS_HW_CTKILL
,
739 IWL_MVM_STATUS_ROC_RUNNING
,
740 IWL_MVM_STATUS_IN_HW_RESTART
,
741 IWL_MVM_STATUS_IN_D0I3
,
742 IWL_MVM_STATUS_ROC_AUX_RUNNING
,
745 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm
*mvm
)
747 return test_bit(IWL_MVM_STATUS_HW_RFKILL
, &mvm
->status
) ||
748 test_bit(IWL_MVM_STATUS_HW_CTKILL
, &mvm
->status
);
751 static inline struct iwl_mvm_sta
*
752 iwl_mvm_sta_from_staid_protected(struct iwl_mvm
*mvm
, u8 sta_id
)
754 struct ieee80211_sta
*sta
;
756 if (sta_id
>= ARRAY_SIZE(mvm
->fw_id_to_mac_id
))
759 sta
= rcu_dereference_protected(mvm
->fw_id_to_mac_id
[sta_id
],
760 lockdep_is_held(&mvm
->mutex
));
762 /* This can happen if the station has been removed right now */
763 if (IS_ERR_OR_NULL(sta
))
766 return iwl_mvm_sta_from_mac80211(sta
);
769 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm
*mvm
)
771 return mvm
->trans
->cfg
->d0i3
&&
772 (mvm
->fw
->ucode_capa
.capa
[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT
);
775 extern const u8 iwl_mvm_ac_to_tx_fifo
[];
777 struct iwl_rate_info
{
778 u8 plcp
; /* uCode API: IWL_RATE_6M_PLCP, etc. */
779 u8 plcp_siso
; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */
780 u8 plcp_mimo2
; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */
781 u8 plcp_mimo3
; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */
782 u8 ieee
; /* MAC header: IWL_RATE_6M_IEEE, etc. */
789 int iwl_run_init_mvm_ucode(struct iwl_mvm
*mvm
, bool read_nvm
);
792 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags
,
793 enum ieee80211_band band
);
794 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags
,
795 enum ieee80211_band band
,
796 struct ieee80211_tx_rate
*r
);
797 u8
iwl_mvm_mac80211_idx_to_hwrate(int rate_idx
);
798 void iwl_mvm_dump_nic_error_log(struct iwl_mvm
*mvm
);
799 u8
first_antenna(u8 mask
);
800 u8
iwl_mvm_next_antenna(struct iwl_mvm
*mvm
, u8 valid
, u8 last_idx
);
802 /* Tx / Host Commands */
803 int __must_check
iwl_mvm_send_cmd(struct iwl_mvm
*mvm
,
804 struct iwl_host_cmd
*cmd
);
805 int __must_check
iwl_mvm_send_cmd_pdu(struct iwl_mvm
*mvm
, u8 id
,
806 u32 flags
, u16 len
, const void *data
);
807 int __must_check
iwl_mvm_send_cmd_status(struct iwl_mvm
*mvm
,
808 struct iwl_host_cmd
*cmd
,
810 int __must_check
iwl_mvm_send_cmd_pdu_status(struct iwl_mvm
*mvm
, u8 id
,
811 u16 len
, const void *data
,
813 int iwl_mvm_tx_skb(struct iwl_mvm
*mvm
, struct sk_buff
*skb
,
814 struct ieee80211_sta
*sta
);
815 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm
*mvm
, struct sk_buff
*skb
);
816 #ifdef CONFIG_IWLWIFI_DEBUG
817 const char *iwl_mvm_get_tx_fail_reason(u32 status
);
819 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status
) { return ""; }
821 int iwl_mvm_flush_tx_path(struct iwl_mvm
*mvm
, u32 tfd_msk
, bool sync
);
822 void iwl_mvm_async_handlers_purge(struct iwl_mvm
*mvm
);
824 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm
*mvm
)
826 flush_work(&mvm
->async_handlers_wk
);
830 int iwl_mvm_rx_reply_statistics(struct iwl_mvm
*mvm
,
831 struct iwl_rx_cmd_buffer
*rxb
,
832 struct iwl_device_cmd
*cmd
);
833 int iwl_mvm_rx_statistics(struct iwl_mvm
*mvm
,
834 struct iwl_rx_cmd_buffer
*rxb
,
835 struct iwl_device_cmd
*cmd
);
838 int iwl_nvm_init(struct iwl_mvm
*mvm
, bool read_nvm_from_nic
);
839 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm
*mvm
);
841 int iwl_mvm_up(struct iwl_mvm
*mvm
);
842 int iwl_mvm_load_d3_fw(struct iwl_mvm
*mvm
);
844 int iwl_mvm_mac_setup_register(struct iwl_mvm
*mvm
);
845 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm
*mvm
,
846 struct iwl_bcast_filter_cmd
*cmd
);
849 * FW notifications / CMD responses handlers
850 * Convention: iwl_mvm_rx_<NAME OF THE CMD>
852 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
853 struct iwl_device_cmd
*cmd
);
854 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
855 struct iwl_device_cmd
*cmd
);
856 int iwl_mvm_rx_tx_cmd(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
857 struct iwl_device_cmd
*cmd
);
858 int iwl_mvm_rx_ba_notif(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
859 struct iwl_device_cmd
*cmd
);
860 int iwl_mvm_rx_radio_ver(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
861 struct iwl_device_cmd
*cmd
);
862 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm
*mvm
,
863 struct iwl_rx_cmd_buffer
*rxb
,
864 struct iwl_device_cmd
*cmd
);
865 int iwl_mvm_rx_fw_error(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
866 struct iwl_device_cmd
*cmd
);
867 int iwl_mvm_rx_card_state_notif(struct iwl_mvm
*mvm
,
868 struct iwl_rx_cmd_buffer
*rxb
,
869 struct iwl_device_cmd
*cmd
);
870 int iwl_mvm_rx_radio_ver(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
871 struct iwl_device_cmd
*cmd
);
874 int iwl_mvm_phy_ctxt_add(struct iwl_mvm
*mvm
, struct iwl_mvm_phy_ctxt
*ctxt
,
875 struct cfg80211_chan_def
*chandef
,
876 u8 chains_static
, u8 chains_dynamic
);
877 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm
*mvm
, struct iwl_mvm_phy_ctxt
*ctxt
,
878 struct cfg80211_chan_def
*chandef
,
879 u8 chains_static
, u8 chains_dynamic
);
880 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm
*mvm
,
881 struct iwl_mvm_phy_ctxt
*ctxt
);
882 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm
*mvm
,
883 struct iwl_mvm_phy_ctxt
*ctxt
);
884 int iwl_mvm_phy_ctx_count(struct iwl_mvm
*mvm
);
886 /* MAC (virtual interface) programming */
887 int iwl_mvm_mac_ctxt_init(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
);
888 void iwl_mvm_mac_ctxt_release(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
);
889 int iwl_mvm_mac_ctxt_add(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
);
890 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
891 bool force_assoc_off
);
892 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
);
893 u32
iwl_mvm_mac_get_queues_mask(struct iwl_mvm
*mvm
,
894 struct ieee80211_vif
*vif
);
895 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm
*mvm
,
896 struct ieee80211_vif
*vif
);
897 int iwl_mvm_rx_beacon_notif(struct iwl_mvm
*mvm
,
898 struct iwl_rx_cmd_buffer
*rxb
,
899 struct iwl_device_cmd
*cmd
);
900 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm
*mvm
,
901 struct iwl_rx_cmd_buffer
*rxb
,
902 struct iwl_device_cmd
*cmd
);
903 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm
*mvm
,
904 struct ieee80211_vif
*vif
);
907 int iwl_mvm_binding_add_vif(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
);
908 int iwl_mvm_binding_remove_vif(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
);
910 /* Quota management */
911 int iwl_mvm_update_quotas(struct iwl_mvm
*mvm
,
912 struct ieee80211_vif
*disabled_vif
);
915 int iwl_mvm_scan_request(struct iwl_mvm
*mvm
,
916 struct ieee80211_vif
*vif
,
917 struct cfg80211_scan_request
*req
);
918 int iwl_mvm_rx_scan_response(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
919 struct iwl_device_cmd
*cmd
);
920 int iwl_mvm_rx_scan_complete(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
921 struct iwl_device_cmd
*cmd
);
922 int iwl_mvm_cancel_scan(struct iwl_mvm
*mvm
);
925 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm
*mvm
,
926 struct iwl_rx_cmd_buffer
*rxb
,
927 struct iwl_device_cmd
*cmd
);
928 int iwl_mvm_config_sched_scan(struct iwl_mvm
*mvm
,
929 struct ieee80211_vif
*vif
,
930 struct cfg80211_sched_scan_request
*req
,
931 struct ieee80211_scan_ies
*ies
);
932 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm
*mvm
,
933 struct cfg80211_sched_scan_request
*req
);
934 int iwl_mvm_sched_scan_start(struct iwl_mvm
*mvm
,
935 struct cfg80211_sched_scan_request
*req
);
936 int iwl_mvm_scan_offload_stop(struct iwl_mvm
*mvm
, bool notify
);
937 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm
*mvm
,
938 struct iwl_rx_cmd_buffer
*rxb
,
939 struct iwl_device_cmd
*cmd
);
942 int iwl_mvm_unified_scan_lmac(struct iwl_mvm
*mvm
,
943 struct ieee80211_vif
*vif
,
944 struct ieee80211_scan_request
*req
);
945 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm
*mvm
,
946 struct ieee80211_vif
*vif
,
947 struct cfg80211_sched_scan_request
*req
,
948 struct ieee80211_scan_ies
*ies
);
951 #ifdef CONFIG_IWLWIFI_DEBUGFS
952 int iwl_mvm_dbgfs_register(struct iwl_mvm
*mvm
, struct dentry
*dbgfs_dir
);
953 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
);
954 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
);
956 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm
*mvm
,
957 struct dentry
*dbgfs_dir
)
962 iwl_mvm_vif_dbgfs_register(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
)
966 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
)
969 #endif /* CONFIG_IWLWIFI_DEBUGFS */
972 int iwl_mvm_send_lq_cmd(struct iwl_mvm
*mvm
, struct iwl_lq_cmd
*lq
, bool init
);
973 void iwl_mvm_update_frame_stats(struct iwl_mvm
*mvm
,
974 struct iwl_mvm_frame_stats
*stats
,
976 int rs_pretty_print_rate(char *buf
, const u32 rate
);
978 /* power management */
979 int iwl_mvm_power_update_device(struct iwl_mvm
*mvm
);
980 int iwl_mvm_power_update_mac(struct iwl_mvm
*mvm
);
981 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
982 char *buf
, int bufsz
);
984 void iwl_mvm_power_vif_assoc(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
);
985 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm
*mvm
,
986 struct iwl_rx_cmd_buffer
*rxb
,
987 struct iwl_device_cmd
*cmd
);
989 #ifdef CONFIG_IWLWIFI_LEDS
990 int iwl_mvm_leds_init(struct iwl_mvm
*mvm
);
991 void iwl_mvm_leds_exit(struct iwl_mvm
*mvm
);
993 static inline int iwl_mvm_leds_init(struct iwl_mvm
*mvm
)
997 static inline void iwl_mvm_leds_exit(struct iwl_mvm
*mvm
)
1002 /* D3 (WoWLAN, NetDetect) */
1003 int iwl_mvm_suspend(struct ieee80211_hw
*hw
, struct cfg80211_wowlan
*wowlan
);
1004 int iwl_mvm_resume(struct ieee80211_hw
*hw
);
1005 void iwl_mvm_set_wakeup(struct ieee80211_hw
*hw
, bool enabled
);
1006 void iwl_mvm_set_rekey_data(struct ieee80211_hw
*hw
,
1007 struct ieee80211_vif
*vif
,
1008 struct cfg80211_gtk_rekey_data
*data
);
1009 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw
*hw
,
1010 struct ieee80211_vif
*vif
,
1011 struct inet6_dev
*idev
);
1012 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw
*hw
,
1013 struct ieee80211_vif
*vif
, int idx
);
1014 extern const struct file_operations iwl_dbgfs_d3_test_ops
;
1015 #ifdef CONFIG_PM_SLEEP
1016 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm
*mvm
,
1017 struct ieee80211_vif
*vif
);
1020 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
)
1024 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta
*mvm_ap_sta
,
1025 struct iwl_wowlan_config_cmd_v2
*cmd
);
1026 int iwl_mvm_send_proto_offload(struct iwl_mvm
*mvm
,
1027 struct ieee80211_vif
*vif
,
1028 bool disable_offloading
,
1032 void iwl_mvm_ref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
);
1033 void iwl_mvm_unref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
);
1034 int iwl_mvm_ref_sync(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
);
1035 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm
*mvm
, __le16
*qos_seq
);
1036 int _iwl_mvm_exit_d0i3(struct iwl_mvm
*mvm
);
1039 int iwl_send_bt_init_conf(struct iwl_mvm
*mvm
);
1040 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm
*mvm
,
1041 struct iwl_rx_cmd_buffer
*rxb
,
1042 struct iwl_device_cmd
*cmd
);
1043 void iwl_mvm_bt_rssi_event(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1044 enum ieee80211_rssi_event rssi_event
);
1045 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm
*mvm
);
1046 u16
iwl_mvm_coex_agg_time_limit(struct iwl_mvm
*mvm
,
1047 struct ieee80211_sta
*sta
);
1048 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm
*mvm
,
1049 struct ieee80211_sta
*sta
);
1050 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm
*mvm
);
1051 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm
*mvm
,
1052 enum ieee80211_band band
);
1053 u8
iwl_mvm_bt_coex_tx_prio(struct iwl_mvm
*mvm
, struct ieee80211_hdr
*hdr
,
1054 struct ieee80211_tx_info
*info
, u8 ac
);
1056 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm
*mvm
);
1057 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm
*mvm
);
1058 int iwl_send_bt_init_conf_old(struct iwl_mvm
*mvm
);
1059 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm
*mvm
,
1060 struct iwl_rx_cmd_buffer
*rxb
,
1061 struct iwl_device_cmd
*cmd
);
1062 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1063 enum ieee80211_rssi_event rssi_event
);
1064 u16
iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm
*mvm
,
1065 struct ieee80211_sta
*sta
);
1066 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm
*mvm
,
1067 struct ieee80211_sta
*sta
);
1068 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm
*mvm
,
1069 enum ieee80211_band band
);
1070 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm
*mvm
,
1071 struct iwl_rx_cmd_buffer
*rxb
,
1072 struct iwl_device_cmd
*cmd
);
1074 enum iwl_bt_kill_msk
{
1075 BT_KILL_MSK_DEFAULT
,
1081 extern const u8 iwl_bt_ack_kill_msk
[BT_MAX_AG
][BT_COEX_MAX_LUT
];
1082 extern const u8 iwl_bt_cts_kill_msk
[BT_MAX_AG
][BT_COEX_MAX_LUT
];
1083 extern const u32 iwl_bt_ctl_kill_msk
[BT_KILL_MSK_MAX
];
1085 /* beacon filtering */
1086 #ifdef CONFIG_IWLWIFI_DEBUGFS
1088 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif
*vif
,
1089 struct iwl_beacon_filter_cmd
*cmd
);
1092 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif
*vif
,
1093 struct iwl_beacon_filter_cmd
*cmd
)
1096 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm
*mvm
,
1097 struct ieee80211_vif
*vif
,
1098 bool enable
, u32 flags
);
1099 int iwl_mvm_enable_beacon_filter(struct iwl_mvm
*mvm
,
1100 struct ieee80211_vif
*vif
,
1102 int iwl_mvm_disable_beacon_filter(struct iwl_mvm
*mvm
,
1103 struct ieee80211_vif
*vif
,
1106 void iwl_mvm_update_smps(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1107 enum iwl_mvm_smps_type_request req_type
,
1108 enum ieee80211_smps_mode smps_request
);
1109 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm
*mvm
);
1112 int iwl_mvm_update_low_latency(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1114 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1115 bool iwl_mvm_low_latency(struct iwl_mvm
*mvm
);
1116 /* get VMACLowLatencyMode */
1117 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif
*mvmvif
)
1120 * should this consider associated/active/... state?
1122 * Normally low-latency should only be active on interfaces
1123 * that are active, but at least with debugfs it can also be
1124 * enabled on interfaces that aren't active. However, when
1125 * interface aren't active then they aren't added into the
1126 * binding, so this has no real impact. For now, just return
1127 * the current desired low-latency state.
1130 return mvmvif
->low_latency
;
1134 bool iwl_mvm_is_idle(struct iwl_mvm
*mvm
);
1136 /* Thermal management and CT-kill */
1137 void iwl_mvm_tt_tx_backoff(struct iwl_mvm
*mvm
, u32 backoff
);
1138 void iwl_mvm_tt_handler(struct iwl_mvm
*mvm
);
1139 void iwl_mvm_tt_initialize(struct iwl_mvm
*mvm
, u32 min_backoff
);
1140 void iwl_mvm_tt_exit(struct iwl_mvm
*mvm
);
1141 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm
*mvm
, bool state
);
1144 int iwl_mvm_sf_update(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1148 int iwl_mvm_tdls_sta_count(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
);
1150 void iwl_mvm_nic_restart(struct iwl_mvm
*mvm
, bool fw_error
);
1152 #endif /* __IWL_MVM_H__ */