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
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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),
206 MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
209 struct iwl_dbgfs_pm {
210 u16 keep_alive_seconds;
214 u8 skip_dtim_periods;
216 u32 lprx_rssi_threshold;
218 bool uapsd_misbehaving;
223 /* beacon filtering */
225 enum iwl_dbgfs_bf_mask {
226 MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
227 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
228 MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
229 MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
230 MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
231 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
232 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
233 MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
234 MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
235 MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
236 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
239 struct iwl_dbgfs_bf {
241 u32 bf_roaming_energy_delta;
242 u32 bf_roaming_state;
243 u32 bf_temp_threshold;
244 u32 bf_temp_fast_filter;
245 u32 bf_temp_slow_filter;
246 u32 bf_enable_beacon_filter;
250 u32 ba_enable_beacon_abort;
255 enum iwl_mvm_smps_type_request {
256 IWL_MVM_SMPS_REQ_BT_COEX,
258 IWL_MVM_SMPS_REQ_PROT,
259 NUM_IWL_MVM_SMPS_REQ,
262 enum iwl_mvm_ref_type {
263 IWL_MVM_REF_UCODE_DOWN,
266 IWL_MVM_REF_P2P_CLIENT,
272 IWL_MVM_REF_START_AP,
273 IWL_MVM_REF_BSS_CHANGED,
274 IWL_MVM_REF_PREPARE_TX,
275 IWL_MVM_REF_PROTECT_TDLS,
276 IWL_MVM_REF_CHECK_CTKILL,
277 IWL_MVM_REF_PRPH_READ,
278 IWL_MVM_REF_PRPH_WRITE,
281 IWL_MVM_REF_EXIT_WORK,
286 enum iwl_bt_force_ant_mode {
287 BT_FORCE_ANT_DIS = 0,
296 * struct iwl_mvm_vif_bf_data - beacon filtering related data
297 * @bf_enabled: indicates if beacon filtering is enabled
298 * @ba_enabled: indicated if beacon abort is enabled
299 * @last_beacon_signal: last beacon rssi signal in dbm
300 * @ave_beacon_signal: average beacon signal
301 * @last_cqm_event: rssi of the last cqm event
302 * @bt_coex_min_thold: minimum threshold for BT coex
303 * @bt_coex_max_thold: maximum threshold for BT coex
304 * @last_bt_coex_event: rssi of the last BT coex event
306 struct iwl_mvm_vif_bf_data {
309 s8 ave_beacon_signal;
311 s8 bt_coex_min_thold;
312 s8 bt_coex_max_thold;
313 s8 last_bt_coex_event;
317 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
318 * @id: between 0 and 3
319 * @color: to solve races upon MAC addition and removal
320 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
321 * @uploaded: indicates the MAC context has been added to the device
322 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
323 * should get quota etc.
324 * @pm_enabled - Indicate if MAC power management is allowed
325 * @monitor_active: indicates that monitor context is configured, and that the
326 * interface should get quota etc.
327 * @low_latency: indicates that this interface is in low-latency mode
328 * (VMACLowLatencyMode)
329 * @queue_params: QoS params for this MAC
330 * @bcast_sta: station used for broadcast packets. Used by the following
331 * vifs: P2P_DEVICE, GO and AP.
332 * @beacon_skb: the skb used to hold the AP/GO beacon template
333 * @smps_requests: the SMPS requests of differents parts of the driver,
334 * combined on update to yield the overall request to mac80211.
346 struct iwl_mvm_vif_bf_data bf_data;
350 enum iwl_tsf_id tsf_id;
353 * QoS data from mac80211, need to store this here
354 * as mac80211 has a separate callback but we need
355 * to have the data for the MAC context
357 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
358 struct iwl_mvm_time_event_data time_event_data;
359 struct iwl_mvm_time_event_data hs_time_event_data;
361 struct iwl_mvm_int_sta bcast_sta;
364 * Assigned while mac80211 has the interface in a channel context,
365 * or, for P2P Device, while it exists.
367 struct iwl_mvm_phy_ctxt *phy_ctxt;
369 #ifdef CONFIG_PM_SLEEP
370 /* WoWLAN GTK rekey data */
372 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
383 #if IS_ENABLED(CONFIG_IPV6)
384 /* IPv6 addresses for WoWLAN */
385 struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
386 int num_target_ipv6_addrs;
389 #ifdef CONFIG_IWLWIFI_DEBUGFS
391 struct dentry *dbgfs_dir;
392 struct dentry *dbgfs_slink;
393 struct iwl_dbgfs_pm dbgfs_pm;
394 struct iwl_dbgfs_bf dbgfs_bf;
395 struct iwl_mac_power_cmd mac_pwr_cmd;
398 enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
400 /* FW identified misbehaving AP */
401 u8 uapsd_misbehaving_bssid[ETH_ALEN];
404 static inline struct iwl_mvm_vif *
405 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
407 return (void *)vif->drv_priv;
410 extern const u8 tid_to_mac80211_ac[];
412 enum iwl_scan_status {
419 * struct iwl_nvm_section - describes an NVM section in memory.
421 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
422 * and saved for later use by the driver. Not all NVM sections are saved
423 * this way, only the needed ones.
425 struct iwl_nvm_section {
431 * Tx-backoff threshold
432 * @temperature: The threshold in Celsius
433 * @backoff: The tx-backoff in uSec
435 struct iwl_tt_tx_backoff {
440 #define TT_TX_BACKOFF_SIZE 6
443 * struct iwl_tt_params - thermal throttling parameters
444 * @ct_kill_entry: CT Kill entry threshold
445 * @ct_kill_exit: CT Kill exit threshold
446 * @ct_kill_duration: The time intervals (in uSec) in which the driver needs
447 * to checks whether to exit CT Kill.
448 * @dynamic_smps_entry: Dynamic SMPS entry threshold
449 * @dynamic_smps_exit: Dynamic SMPS exit threshold
450 * @tx_protection_entry: TX protection entry threshold
451 * @tx_protection_exit: TX protection exit threshold
452 * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
453 * @support_ct_kill: Support CT Kill?
454 * @support_dynamic_smps: Support dynamic SMPS?
455 * @support_tx_protection: Support tx protection?
456 * @support_tx_backoff: Support tx-backoff?
458 struct iwl_tt_params {
461 u32 ct_kill_duration;
462 s32 dynamic_smps_entry;
463 s32 dynamic_smps_exit;
464 s32 tx_protection_entry;
465 s32 tx_protection_exit;
466 struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
467 bool support_ct_kill;
468 bool support_dynamic_smps;
469 bool support_tx_protection;
470 bool support_tx_backoff;
474 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
475 * @ct_kill_exit: worker to exit thermal kill
476 * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
477 * @tx_backoff: The current thremal throttling tx backoff in uSec.
478 * @min_backoff: The minimal tx backoff due to power restrictions
479 * @params: Parameters to configure the thermal throttling algorithm.
480 * @throttle: Is thermal throttling is active?
482 struct iwl_mvm_tt_mgmt {
483 struct delayed_work ct_kill_exit;
487 const struct iwl_tt_params *params;
491 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
493 struct iwl_mvm_frame_stats {
509 u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
518 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
519 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
520 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
523 /* for logger access */
526 struct iwl_trans *trans;
527 const struct iwl_fw *fw;
528 const struct iwl_cfg *cfg;
529 struct iwl_phy_db *phy_db;
530 struct ieee80211_hw *hw;
532 /* for protecting access to iwl_mvm */
534 struct list_head async_handlers_list;
535 spinlock_t async_handlers_lock;
536 struct work_struct async_handlers_wk;
538 struct work_struct roc_done_wk;
540 unsigned long status;
543 * for beacon filtering -
544 * currently only one interface can be supported
546 struct iwl_mvm_vif *bf_allowed_vif;
548 enum iwl_ucode_type cur_ucode;
550 bool init_ucode_complete;
551 u32 error_event_table;
553 u32 umac_error_event_table;
554 bool support_umac_log;
555 struct iwl_sf_region sf_space;
559 struct iwl_notif_wait_data notif_wait;
561 struct mvm_statistics_rx rx_stats;
563 unsigned long transport_queue_stop;
564 u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
565 atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
567 const char *nvm_file_name;
568 struct iwl_nvm_data *nvm_data;
570 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
572 /* EEPROM MAC addresses */
573 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
575 /* data related to data path */
576 struct iwl_rx_phy_info last_phy_info;
577 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
578 struct work_struct sta_drained_wk;
579 unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
580 atomic_t pending_frames[IWL_MVM_STATION_COUNT];
583 /* configured by mac80211 */
586 /* Scan status, cmd (pre-allocated) and auxiliary station */
587 enum iwl_scan_status scan_status;
589 struct iwl_mcast_filter_cmd *mcast_filter_cmd;
591 /* rx chain antennas set through debugfs for the scan command */
594 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
595 /* broadcast filters to configure for each associated station */
596 const struct iwl_fw_bcast_filter *bcast_filters;
597 #ifdef CONFIG_IWLWIFI_DEBUGFS
599 u32 override; /* u32 for debugfs_create_bool */
600 struct iwl_bcast_filter_cmd cmd;
601 } dbgfs_bcast_filtering;
605 /* Internal station */
606 struct iwl_mvm_int_sta aux_sta;
608 bool last_ebs_successful;
610 u8 scan_last_antenna_idx; /* to toggle TX between antennas */
611 u8 mgmt_last_antenna_idx;
613 /* last smart fifo state that was successfully sent to firmware */
614 enum iwl_sf_state sf_state;
616 #ifdef CONFIG_IWLWIFI_DEBUGFS
617 struct dentry *debugfs_dir;
618 u32 dbgfs_sram_offset, dbgfs_sram_len;
619 u32 dbgfs_prph_reg_addr;
620 bool disable_power_off;
621 bool disable_power_off_d3;
623 struct debugfs_blob_wrapper nvm_hw_blob;
624 struct debugfs_blob_wrapper nvm_sw_blob;
625 struct debugfs_blob_wrapper nvm_calib_blob;
626 struct debugfs_blob_wrapper nvm_prod_blob;
628 struct iwl_mvm_frame_stats drv_rx_stats;
629 spinlock_t drv_stats_lock;
632 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
634 struct list_head time_event_list;
635 spinlock_t time_event_lock;
638 * A bitmap indicating the index of the key in use. The firmware
639 * can hold 16 keys at most. Reflect this fact.
641 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
643 /* references taken by the driver and spinlock protecting them */
644 spinlock_t refs_lock;
645 u8 refs[IWL_MVM_REF_COUNT];
649 /* -1 for always, 0 for never, >0 for that many times */
651 struct iwl_mvm_dump_ptrs *fw_error_dump;
653 #ifdef CONFIG_IWLWIFI_LEDS
654 struct led_classdev led;
657 struct ieee80211_vif *p2p_device_vif;
659 #ifdef CONFIG_PM_SLEEP
660 struct wiphy_wowlan_support wowlan;
661 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
662 #ifdef CONFIG_IWLWIFI_DEBUGFS
663 u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
665 bool store_d3_resume_sram;
666 void *d3_resume_sram;
668 struct ieee80211_vif *keep_vif;
674 bool d0i3_offloading;
675 struct work_struct d0i3_exit_work;
676 struct sk_buff_head d0i3_tx;
677 /* protect d0i3_suspend_flags */
678 struct mutex d0i3_suspend_mutex;
679 unsigned long d0i3_suspend_flags;
680 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
681 spinlock_t d0i3_tx_lock;
682 wait_queue_head_t d0i3_exit_waitq;
685 u8 bt_ack_kill_msk[NUM_PHY_CTX];
686 u8 bt_cts_kill_msk[NUM_PHY_CTX];
688 struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
689 struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
690 struct iwl_bt_coex_profile_notif last_bt_notif;
691 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
696 enum iwl_bt_force_ant_mode bt_force_ant_mode;
699 struct list_head aux_roc_te_list;
701 /* Thermal Throttling and CTkill */
702 struct iwl_mvm_tt_mgmt thermal_throttle;
703 s32 temperature; /* Celsius */
705 * Debug option to set the NIC temperature. This option makes the
706 * driver think this is the actual NIC temperature, and ignore the
707 * real temperature that is received from the fw
709 bool temperature_test; /* Debug test temperature is enabled */
711 #ifdef CONFIG_NL80211_TESTMODE
713 struct ieee80211_vif *noa_vif;
721 /* Indicate if device power save is allowed */
722 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
724 struct ieee80211_vif __rcu *csa_vif;
725 struct ieee80211_vif __rcu *csa_tx_blocked_vif;
726 u8 csa_tx_block_bcn_timeout;
728 /* system time of last beacon (for AP/GO interface) */
729 u32 ap_last_beacon_gp2;
731 u8 low_latency_agg_frame_limit;
734 /* Extract MVM priv from op_mode and _hw */
735 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \
736 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
738 #define IWL_MAC80211_GET_MVM(_hw) \
739 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
741 enum iwl_mvm_status {
742 IWL_MVM_STATUS_HW_RFKILL,
743 IWL_MVM_STATUS_HW_CTKILL,
744 IWL_MVM_STATUS_ROC_RUNNING,
745 IWL_MVM_STATUS_IN_HW_RESTART,
746 IWL_MVM_STATUS_IN_D0I3,
747 IWL_MVM_STATUS_ROC_AUX_RUNNING,
750 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
752 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
753 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
756 static inline struct iwl_mvm_sta *
757 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
759 struct ieee80211_sta *sta;
761 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
764 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
765 lockdep_is_held(&mvm->mutex));
767 /* This can happen if the station has been removed right now */
768 if (IS_ERR_OR_NULL(sta))
771 return iwl_mvm_sta_from_mac80211(sta);
774 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
776 return mvm->trans->cfg->d0i3 &&
777 (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
780 extern const u8 iwl_mvm_ac_to_tx_fifo[];
782 struct iwl_rate_info {
783 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */
784 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */
785 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */
786 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */
787 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */
794 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
797 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
798 enum ieee80211_band band);
799 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
800 enum ieee80211_band band,
801 struct ieee80211_tx_rate *r);
802 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
803 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
804 u8 first_antenna(u8 mask);
805 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
807 /* Tx / Host Commands */
808 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
809 struct iwl_host_cmd *cmd);
810 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
811 u32 flags, u16 len, const void *data);
812 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
813 struct iwl_host_cmd *cmd,
815 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
816 u16 len, const void *data,
818 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
819 struct ieee80211_sta *sta);
820 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
821 #ifdef CONFIG_IWLWIFI_DEBUG
822 const char *iwl_mvm_get_tx_fail_reason(u32 status);
824 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
826 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
827 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
829 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
831 flush_work(&mvm->async_handlers_wk);
835 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
836 struct iwl_rx_cmd_buffer *rxb,
837 struct iwl_device_cmd *cmd);
838 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
839 struct iwl_rx_cmd_buffer *rxb,
840 struct iwl_device_cmd *cmd);
843 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
844 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
846 int iwl_mvm_up(struct iwl_mvm *mvm);
847 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
849 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
850 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
851 struct iwl_bcast_filter_cmd *cmd);
854 * FW notifications / CMD responses handlers
855 * Convention: iwl_mvm_rx_<NAME OF THE CMD>
857 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
858 struct iwl_device_cmd *cmd);
859 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
860 struct iwl_device_cmd *cmd);
861 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
862 struct iwl_device_cmd *cmd);
863 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
864 struct iwl_device_cmd *cmd);
865 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
866 struct iwl_device_cmd *cmd);
867 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
868 struct iwl_rx_cmd_buffer *rxb,
869 struct iwl_device_cmd *cmd);
870 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
871 struct iwl_device_cmd *cmd);
872 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
873 struct iwl_rx_cmd_buffer *rxb,
874 struct iwl_device_cmd *cmd);
875 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
876 struct iwl_device_cmd *cmd);
879 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
880 struct cfg80211_chan_def *chandef,
881 u8 chains_static, u8 chains_dynamic);
882 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
883 struct cfg80211_chan_def *chandef,
884 u8 chains_static, u8 chains_dynamic);
885 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
886 struct iwl_mvm_phy_ctxt *ctxt);
887 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
888 struct iwl_mvm_phy_ctxt *ctxt);
889 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
891 /* MAC (virtual interface) programming */
892 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
893 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
894 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
895 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
896 bool force_assoc_off);
897 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
898 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
899 struct ieee80211_vif *vif);
900 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
901 struct ieee80211_vif *vif);
902 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
903 struct iwl_rx_cmd_buffer *rxb,
904 struct iwl_device_cmd *cmd);
905 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
906 struct iwl_rx_cmd_buffer *rxb,
907 struct iwl_device_cmd *cmd);
908 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
909 struct ieee80211_vif *vif);
912 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
913 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
915 /* Quota management */
916 int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
917 struct ieee80211_vif *disabled_vif);
920 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
921 struct ieee80211_vif *vif,
922 struct cfg80211_scan_request *req);
923 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
924 struct iwl_device_cmd *cmd);
925 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
926 struct iwl_device_cmd *cmd);
927 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
930 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
931 struct iwl_rx_cmd_buffer *rxb,
932 struct iwl_device_cmd *cmd);
933 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
934 struct ieee80211_vif *vif,
935 struct cfg80211_sched_scan_request *req,
936 struct ieee80211_scan_ies *ies);
937 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
938 struct cfg80211_sched_scan_request *req);
939 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
940 struct cfg80211_sched_scan_request *req);
941 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
942 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
943 struct iwl_rx_cmd_buffer *rxb,
944 struct iwl_device_cmd *cmd);
947 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
948 struct ieee80211_vif *vif,
949 struct ieee80211_scan_request *req);
950 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
951 struct ieee80211_vif *vif,
952 struct cfg80211_sched_scan_request *req,
953 struct ieee80211_scan_ies *ies);
956 #ifdef CONFIG_IWLWIFI_DEBUGFS
957 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
958 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
959 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
961 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
962 struct dentry *dbgfs_dir)
967 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
971 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
974 #endif /* CONFIG_IWLWIFI_DEBUGFS */
977 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
978 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm,
979 struct iwl_mvm_frame_stats *stats,
981 int rs_pretty_print_rate(char *buf, const u32 rate);
983 /* power management */
984 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
985 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
986 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
987 char *buf, int bufsz);
989 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
990 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
991 struct iwl_rx_cmd_buffer *rxb,
992 struct iwl_device_cmd *cmd);
994 #ifdef CONFIG_IWLWIFI_LEDS
995 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
996 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
998 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1002 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1007 /* D3 (WoWLAN, NetDetect) */
1008 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1009 int iwl_mvm_resume(struct ieee80211_hw *hw);
1010 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1011 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1012 struct ieee80211_vif *vif,
1013 struct cfg80211_gtk_rekey_data *data);
1014 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1015 struct ieee80211_vif *vif,
1016 struct inet6_dev *idev);
1017 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1018 struct ieee80211_vif *vif, int idx);
1019 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1020 #ifdef CONFIG_PM_SLEEP
1021 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1022 struct ieee80211_vif *vif);
1025 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1029 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1030 struct iwl_wowlan_config_cmd_v2 *cmd);
1031 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1032 struct ieee80211_vif *vif,
1033 bool disable_offloading,
1037 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1038 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1039 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1040 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1041 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1044 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1045 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1046 struct iwl_rx_cmd_buffer *rxb,
1047 struct iwl_device_cmd *cmd);
1048 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1049 enum ieee80211_rssi_event rssi_event);
1050 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1051 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1052 struct ieee80211_sta *sta);
1053 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1054 struct ieee80211_sta *sta);
1055 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1056 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1057 enum ieee80211_band band);
1058 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1059 struct ieee80211_tx_info *info, u8 ac);
1061 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1062 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1063 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1064 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1065 struct iwl_rx_cmd_buffer *rxb,
1066 struct iwl_device_cmd *cmd);
1067 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1068 enum ieee80211_rssi_event rssi_event);
1069 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1070 struct ieee80211_sta *sta);
1071 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1072 struct ieee80211_sta *sta);
1073 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1074 enum ieee80211_band band);
1075 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1076 struct iwl_rx_cmd_buffer *rxb,
1077 struct iwl_device_cmd *cmd);
1079 enum iwl_bt_kill_msk {
1080 BT_KILL_MSK_DEFAULT,
1086 extern const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1087 extern const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1088 extern const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX];
1090 /* beacon filtering */
1091 #ifdef CONFIG_IWLWIFI_DEBUGFS
1093 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1094 struct iwl_beacon_filter_cmd *cmd);
1097 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1098 struct iwl_beacon_filter_cmd *cmd)
1101 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1102 struct ieee80211_vif *vif,
1103 bool enable, u32 flags);
1104 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1105 struct ieee80211_vif *vif,
1107 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1108 struct ieee80211_vif *vif,
1111 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1112 enum iwl_mvm_smps_type_request req_type,
1113 enum ieee80211_smps_mode smps_request);
1114 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1117 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1119 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1120 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1121 /* get VMACLowLatencyMode */
1122 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1125 * should this consider associated/active/... state?
1127 * Normally low-latency should only be active on interfaces
1128 * that are active, but at least with debugfs it can also be
1129 * enabled on interfaces that aren't active. However, when
1130 * interface aren't active then they aren't added into the
1131 * binding, so this has no real impact. For now, just return
1132 * the current desired low-latency state.
1135 return mvmvif->low_latency;
1139 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
1141 /* Thermal management and CT-kill */
1142 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1143 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1144 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1145 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1146 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1149 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1153 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1155 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1157 #endif /* __IWL_MVM_H__ */