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),
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];
516 /* for logger access */
519 struct iwl_trans *trans;
520 const struct iwl_fw *fw;
521 const struct iwl_cfg *cfg;
522 struct iwl_phy_db *phy_db;
523 struct ieee80211_hw *hw;
525 /* for protecting access to iwl_mvm */
527 struct list_head async_handlers_list;
528 spinlock_t async_handlers_lock;
529 struct work_struct async_handlers_wk;
531 struct work_struct roc_done_wk;
533 unsigned long status;
536 * for beacon filtering -
537 * currently only one interface can be supported
539 struct iwl_mvm_vif *bf_allowed_vif;
541 enum iwl_ucode_type cur_ucode;
543 bool init_ucode_complete;
544 u32 error_event_table;
546 u32 umac_error_event_table;
547 bool support_umac_log;
548 struct iwl_sf_region sf_space;
552 struct iwl_notif_wait_data notif_wait;
554 struct mvm_statistics_rx rx_stats;
556 unsigned long transport_queue_stop;
557 u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
558 atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
560 const char *nvm_file_name;
561 struct iwl_nvm_data *nvm_data;
563 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
565 /* EEPROM MAC addresses */
566 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
568 /* data related to data path */
569 struct iwl_rx_phy_info last_phy_info;
570 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
571 struct work_struct sta_drained_wk;
572 unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
573 atomic_t pending_frames[IWL_MVM_STATION_COUNT];
576 /* configured by mac80211 */
579 /* Scan status, cmd (pre-allocated) and auxiliary station */
580 enum iwl_scan_status scan_status;
582 struct iwl_mcast_filter_cmd *mcast_filter_cmd;
584 /* rx chain antennas set through debugfs for the scan command */
587 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
588 /* broadcast filters to configure for each associated station */
589 const struct iwl_fw_bcast_filter *bcast_filters;
590 #ifdef CONFIG_IWLWIFI_DEBUGFS
592 u32 override; /* u32 for debugfs_create_bool */
593 struct iwl_bcast_filter_cmd cmd;
594 } dbgfs_bcast_filtering;
598 /* Internal station */
599 struct iwl_mvm_int_sta aux_sta;
601 bool last_ebs_successful;
603 u8 scan_last_antenna_idx; /* to toggle TX between antennas */
604 u8 mgmt_last_antenna_idx;
606 /* last smart fifo state that was successfully sent to firmware */
607 enum iwl_sf_state sf_state;
609 #ifdef CONFIG_IWLWIFI_DEBUGFS
610 struct dentry *debugfs_dir;
611 u32 dbgfs_sram_offset, dbgfs_sram_len;
612 u32 dbgfs_prph_reg_addr;
613 bool disable_power_off;
614 bool disable_power_off_d3;
616 struct debugfs_blob_wrapper nvm_hw_blob;
617 struct debugfs_blob_wrapper nvm_sw_blob;
618 struct debugfs_blob_wrapper nvm_calib_blob;
619 struct debugfs_blob_wrapper nvm_prod_blob;
621 struct iwl_mvm_frame_stats drv_rx_stats;
622 spinlock_t drv_stats_lock;
625 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
627 struct list_head time_event_list;
628 spinlock_t time_event_lock;
631 * A bitmap indicating the index of the key in use. The firmware
632 * can hold 16 keys at most. Reflect this fact.
634 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
636 /* references taken by the driver and spinlock protecting them */
637 spinlock_t refs_lock;
638 u8 refs[IWL_MVM_REF_COUNT];
642 /* -1 for always, 0 for never, >0 for that many times */
644 struct iwl_mvm_dump_ptrs *fw_error_dump;
646 #ifdef CONFIG_IWLWIFI_LEDS
647 struct led_classdev led;
650 struct ieee80211_vif *p2p_device_vif;
652 #ifdef CONFIG_PM_SLEEP
653 struct wiphy_wowlan_support wowlan;
654 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
655 #ifdef CONFIG_IWLWIFI_DEBUGFS
656 u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
658 bool store_d3_resume_sram;
659 void *d3_resume_sram;
661 struct ieee80211_vif *keep_vif;
667 bool d0i3_offloading;
668 struct work_struct d0i3_exit_work;
669 struct sk_buff_head d0i3_tx;
670 /* protect d0i3_suspend_flags */
671 struct mutex d0i3_suspend_mutex;
672 unsigned long d0i3_suspend_flags;
673 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
674 spinlock_t d0i3_tx_lock;
675 wait_queue_head_t d0i3_exit_waitq;
678 u8 bt_ack_kill_msk[NUM_PHY_CTX];
679 u8 bt_cts_kill_msk[NUM_PHY_CTX];
681 struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
682 struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
683 struct iwl_bt_coex_profile_notif last_bt_notif;
684 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
689 enum iwl_bt_force_ant_mode bt_force_ant_mode;
692 struct list_head aux_roc_te_list;
694 /* Thermal Throttling and CTkill */
695 struct iwl_mvm_tt_mgmt thermal_throttle;
696 s32 temperature; /* Celsius */
698 #ifdef CONFIG_NL80211_TESTMODE
700 struct ieee80211_vif *noa_vif;
708 /* Indicate if device power save is allowed */
711 struct ieee80211_vif __rcu *csa_vif;
712 struct ieee80211_vif __rcu *csa_tx_blocked_vif;
713 u8 csa_tx_block_bcn_timeout;
715 /* system time of last beacon (for AP/GO interface) */
716 u32 ap_last_beacon_gp2;
719 /* Extract MVM priv from op_mode and _hw */
720 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \
721 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
723 #define IWL_MAC80211_GET_MVM(_hw) \
724 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
726 enum iwl_mvm_status {
727 IWL_MVM_STATUS_HW_RFKILL,
728 IWL_MVM_STATUS_HW_CTKILL,
729 IWL_MVM_STATUS_ROC_RUNNING,
730 IWL_MVM_STATUS_IN_HW_RESTART,
731 IWL_MVM_STATUS_IN_D0I3,
732 IWL_MVM_STATUS_ROC_AUX_RUNNING,
735 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
737 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
738 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
741 static inline struct iwl_mvm_sta *
742 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
744 struct ieee80211_sta *sta;
746 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
749 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
750 lockdep_is_held(&mvm->mutex));
752 /* This can happen if the station has been removed right now */
753 if (IS_ERR_OR_NULL(sta))
756 return iwl_mvm_sta_from_mac80211(sta);
759 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
761 return mvm->trans->cfg->d0i3 &&
762 (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
765 extern const u8 iwl_mvm_ac_to_tx_fifo[];
767 struct iwl_rate_info {
768 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */
769 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */
770 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */
771 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */
772 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */
779 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
782 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
783 enum ieee80211_band band);
784 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
785 enum ieee80211_band band,
786 struct ieee80211_tx_rate *r);
787 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
788 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
789 u8 first_antenna(u8 mask);
790 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
792 /* Tx / Host Commands */
793 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
794 struct iwl_host_cmd *cmd);
795 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
796 u32 flags, u16 len, const void *data);
797 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
798 struct iwl_host_cmd *cmd,
800 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
801 u16 len, const void *data,
803 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
804 struct ieee80211_sta *sta);
805 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
806 #ifdef CONFIG_IWLWIFI_DEBUG
807 const char *iwl_mvm_get_tx_fail_reason(u32 status);
809 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
811 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
812 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
814 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
816 flush_work(&mvm->async_handlers_wk);
820 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
821 struct iwl_rx_cmd_buffer *rxb,
822 struct iwl_device_cmd *cmd);
823 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
824 struct iwl_rx_cmd_buffer *rxb,
825 struct iwl_device_cmd *cmd);
828 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
829 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
831 int iwl_mvm_up(struct iwl_mvm *mvm);
832 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
834 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
835 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
836 struct iwl_bcast_filter_cmd *cmd);
839 * FW notifications / CMD responses handlers
840 * Convention: iwl_mvm_rx_<NAME OF THE CMD>
842 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
843 struct iwl_device_cmd *cmd);
844 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
845 struct iwl_device_cmd *cmd);
846 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
847 struct iwl_device_cmd *cmd);
848 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
849 struct iwl_device_cmd *cmd);
850 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
851 struct iwl_device_cmd *cmd);
852 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
853 struct iwl_rx_cmd_buffer *rxb,
854 struct iwl_device_cmd *cmd);
855 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
856 struct iwl_device_cmd *cmd);
857 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
858 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);
864 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
865 struct cfg80211_chan_def *chandef,
866 u8 chains_static, u8 chains_dynamic);
867 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
868 struct cfg80211_chan_def *chandef,
869 u8 chains_static, u8 chains_dynamic);
870 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
871 struct iwl_mvm_phy_ctxt *ctxt);
872 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
873 struct iwl_mvm_phy_ctxt *ctxt);
874 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
876 /* MAC (virtual interface) programming */
877 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
878 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
879 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
880 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
881 bool force_assoc_off);
882 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
883 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
884 struct ieee80211_vif *vif);
885 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
886 struct ieee80211_vif *vif);
887 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
888 struct iwl_rx_cmd_buffer *rxb,
889 struct iwl_device_cmd *cmd);
890 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
891 struct iwl_rx_cmd_buffer *rxb,
892 struct iwl_device_cmd *cmd);
893 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
894 struct ieee80211_vif *vif);
897 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
898 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
900 /* Quota management */
901 int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
902 struct ieee80211_vif *disabled_vif);
905 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
906 struct ieee80211_vif *vif,
907 struct cfg80211_scan_request *req);
908 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
909 struct iwl_device_cmd *cmd);
910 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
911 struct iwl_device_cmd *cmd);
912 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
915 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
916 struct iwl_rx_cmd_buffer *rxb,
917 struct iwl_device_cmd *cmd);
918 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
919 struct ieee80211_vif *vif,
920 struct cfg80211_sched_scan_request *req,
921 struct ieee80211_scan_ies *ies);
922 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
923 struct cfg80211_sched_scan_request *req);
924 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
925 struct cfg80211_sched_scan_request *req);
926 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
927 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
928 struct iwl_rx_cmd_buffer *rxb,
929 struct iwl_device_cmd *cmd);
932 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
933 struct ieee80211_vif *vif,
934 struct ieee80211_scan_request *req);
935 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
936 struct ieee80211_vif *vif,
937 struct cfg80211_sched_scan_request *req,
938 struct ieee80211_scan_ies *ies);
941 #ifdef CONFIG_IWLWIFI_DEBUGFS
942 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
943 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
944 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
946 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
947 struct dentry *dbgfs_dir)
952 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
956 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
959 #endif /* CONFIG_IWLWIFI_DEBUGFS */
962 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
963 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm,
964 struct iwl_mvm_frame_stats *stats,
966 int rs_pretty_print_rate(char *buf, const u32 rate);
968 /* power management */
969 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
970 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
971 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
972 char *buf, int bufsz);
974 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
975 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
976 struct iwl_rx_cmd_buffer *rxb,
977 struct iwl_device_cmd *cmd);
979 #ifdef CONFIG_IWLWIFI_LEDS
980 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
981 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
983 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
987 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
992 /* D3 (WoWLAN, NetDetect) */
993 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
994 int iwl_mvm_resume(struct ieee80211_hw *hw);
995 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
996 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
997 struct ieee80211_vif *vif,
998 struct cfg80211_gtk_rekey_data *data);
999 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1000 struct ieee80211_vif *vif,
1001 struct inet6_dev *idev);
1002 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1003 struct ieee80211_vif *vif, int idx);
1004 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1005 #ifdef CONFIG_PM_SLEEP
1006 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1007 struct ieee80211_vif *vif);
1010 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1014 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1015 struct iwl_wowlan_config_cmd_v2 *cmd);
1016 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1017 struct ieee80211_vif *vif,
1018 bool disable_offloading,
1022 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1023 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1024 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1025 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1026 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1029 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1030 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1031 struct iwl_rx_cmd_buffer *rxb,
1032 struct iwl_device_cmd *cmd);
1033 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1034 enum ieee80211_rssi_event rssi_event);
1035 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1036 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1037 struct ieee80211_sta *sta);
1038 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1039 struct ieee80211_sta *sta);
1040 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1041 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1042 enum ieee80211_band band);
1043 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1044 struct ieee80211_tx_info *info, u8 ac);
1046 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1047 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1048 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1049 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1050 struct iwl_rx_cmd_buffer *rxb,
1051 struct iwl_device_cmd *cmd);
1052 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1053 enum ieee80211_rssi_event rssi_event);
1054 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1055 struct ieee80211_sta *sta);
1056 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1057 struct ieee80211_sta *sta);
1058 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1059 enum ieee80211_band band);
1060 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1061 struct iwl_rx_cmd_buffer *rxb,
1062 struct iwl_device_cmd *cmd);
1064 enum iwl_bt_kill_msk {
1065 BT_KILL_MSK_DEFAULT,
1071 extern const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1072 extern const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1073 extern const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX];
1075 /* beacon filtering */
1076 #ifdef CONFIG_IWLWIFI_DEBUGFS
1078 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1079 struct iwl_beacon_filter_cmd *cmd);
1082 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1083 struct iwl_beacon_filter_cmd *cmd)
1086 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1087 struct ieee80211_vif *vif,
1088 bool enable, u32 flags);
1089 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1090 struct ieee80211_vif *vif,
1092 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1093 struct ieee80211_vif *vif,
1096 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1097 enum iwl_mvm_smps_type_request req_type,
1098 enum ieee80211_smps_mode smps_request);
1099 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1102 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1104 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1105 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1106 /* get VMACLowLatencyMode */
1107 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1110 * should this consider associated/active/... state?
1112 * Normally low-latency should only be active on interfaces
1113 * that are active, but at least with debugfs it can also be
1114 * enabled on interfaces that aren't active. However, when
1115 * interface aren't active then they aren't added into the
1116 * binding, so this has no real impact. For now, just return
1117 * the current desired low-latency state.
1120 return mvmvif->low_latency;
1124 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
1126 /* Thermal management and CT-kill */
1127 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1128 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1129 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1130 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1131 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1134 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1138 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1140 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1142 #endif /* __IWL_MVM_H__ */