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.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
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39 * modification, are permitted provided that the following conditions
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43 * notice, this list of conditions and the following disclaimer.
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45 * notice, this list of conditions and the following disclaimer in
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49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
69 #include <linux/list.h>
70 #include <linux/spinlock.h>
71 #include <linux/leds.h>
72 #include <linux/in6.h>
74 #include "iwl-op-mode.h"
75 #include "iwl-trans.h"
76 #include "iwl-notif-wait.h"
77 #include "iwl-eeprom-parse.h"
80 #include "constants.h"
82 #define IWL_INVALID_MAC80211_QUEUE 0xff
83 #define IWL_MVM_MAX_ADDRESSES 5
84 /* RSSI offset for WkP */
85 #define IWL_RSSI_OFFSET 50
86 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
87 /* A TimeUnit is 1024 microsecond */
88 #define MSEC_TO_TU(_msec) (_msec*1000/1024)
91 * The CSA NoA is scheduled IWL_MVM_CHANNEL_SWITCH_TIME TUs before "beacon 0"
92 * TBTT. This value should be big enough to ensure that we switch in time.
94 #define IWL_MVM_CHANNEL_SWITCH_TIME 40
97 * This value (in TUs) is used to fine tune the CSA NoA end time which should
98 * be just before "beacon 0" TBTT.
100 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
103 * Number of beacons to transmit on a new channel until we unblock tx to
104 * the stations, even if we didn't identify them on a new channel
106 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
108 extern const struct ieee80211_ops iwl_mvm_hw_ops;
111 * struct iwl_mvm_mod_params - module parameters for iwlmvm
112 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
113 * We will register to mac80211 to have testmode working. The NIC must not
114 * be up'ed after the INIT fw asserted. This is useful to be able to use
115 * proprietary tools over testmode to debug the INIT fw.
116 * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
117 * Save)-2(default), LP(Low Power)-3
119 struct iwl_mvm_mod_params {
123 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
126 * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
128 * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
129 * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
131 * @trans_len: length of the valid data in trans_ptr
132 * @op_mode_len: length of the valid data in op_mode_ptr
134 struct iwl_mvm_dump_ptrs {
135 struct iwl_trans_dump_data *trans_ptr;
140 struct iwl_mvm_phy_ctxt {
146 * TODO: This should probably be removed. Currently here only for rate
149 struct ieee80211_channel *channel;
152 struct iwl_mvm_time_event_data {
153 struct ieee80211_vif *vif;
154 struct list_head list;
155 unsigned long end_jiffies;
161 * The access to the 'id' field must be done when the
162 * mvm->time_event_lock is held, as it value is used to indicate
163 * if the te is in the time event list or not (when id == TE_MAX)
168 /* Power management */
171 * enum iwl_power_scheme
172 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
173 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
174 * @IWL_POWER_LEVEL_LP - Low Power
176 enum iwl_power_scheme {
177 IWL_POWER_SCHEME_CAM = 1,
178 IWL_POWER_SCHEME_BPS,
182 #define IWL_CONN_MAX_LISTEN_INTERVAL 10
183 #define IWL_UAPSD_AC_INFO (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\
184 IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |\
185 IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |\
186 IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
187 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_2
189 #ifdef CONFIG_IWLWIFI_DEBUGFS
190 enum iwl_dbgfs_pm_mask {
191 MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
192 MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
193 MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
194 MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
195 MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
196 MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
197 MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
198 MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
199 MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
200 MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
203 struct iwl_dbgfs_pm {
204 u16 keep_alive_seconds;
208 u8 skip_dtim_periods;
210 u32 lprx_rssi_threshold;
212 bool uapsd_misbehaving;
217 /* beacon filtering */
219 enum iwl_dbgfs_bf_mask {
220 MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
221 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
222 MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
223 MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
224 MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
225 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
226 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
227 MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
228 MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
229 MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
230 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
233 struct iwl_dbgfs_bf {
235 u32 bf_roaming_energy_delta;
236 u32 bf_roaming_state;
237 u32 bf_temp_threshold;
238 u32 bf_temp_fast_filter;
239 u32 bf_temp_slow_filter;
240 u32 bf_enable_beacon_filter;
244 u32 ba_enable_beacon_abort;
249 enum iwl_mvm_smps_type_request {
250 IWL_MVM_SMPS_REQ_BT_COEX,
252 IWL_MVM_SMPS_REQ_PROT,
253 NUM_IWL_MVM_SMPS_REQ,
256 enum iwl_mvm_ref_type {
257 IWL_MVM_REF_UCODE_DOWN,
260 IWL_MVM_REF_P2P_CLIENT,
266 IWL_MVM_REF_START_AP,
267 IWL_MVM_REF_BSS_CHANGED,
268 IWL_MVM_REF_PREPARE_TX,
269 IWL_MVM_REF_PROTECT_TDLS,
270 IWL_MVM_REF_CHECK_CTKILL,
271 IWL_MVM_REF_PRPH_READ,
272 IWL_MVM_REF_PRPH_WRITE,
275 IWL_MVM_REF_EXIT_WORK,
280 enum iwl_bt_force_ant_mode {
281 BT_FORCE_ANT_DIS = 0,
290 * struct iwl_mvm_vif_bf_data - beacon filtering related data
291 * @bf_enabled: indicates if beacon filtering is enabled
292 * @ba_enabled: indicated if beacon abort is enabled
293 * @last_beacon_signal: last beacon rssi signal in dbm
294 * @ave_beacon_signal: average beacon signal
295 * @last_cqm_event: rssi of the last cqm event
296 * @bt_coex_min_thold: minimum threshold for BT coex
297 * @bt_coex_max_thold: maximum threshold for BT coex
298 * @last_bt_coex_event: rssi of the last BT coex event
300 struct iwl_mvm_vif_bf_data {
303 s8 ave_beacon_signal;
305 s8 bt_coex_min_thold;
306 s8 bt_coex_max_thold;
307 s8 last_bt_coex_event;
311 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
312 * @id: between 0 and 3
313 * @color: to solve races upon MAC addition and removal
314 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
315 * @bssid: BSSID for this (client) interface
316 * @associated: indicates that we're currently associated, used only for
317 * managing the firmware state in iwl_mvm_bss_info_changed_station()
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 * @ps_disabled: indicates that this interface requires PS to be disabled
327 * @queue_params: QoS params for this MAC
328 * @bcast_sta: station used for broadcast packets. Used by the following
329 * vifs: P2P_DEVICE, GO and AP.
330 * @beacon_skb: the skb used to hold the AP/GO beacon template
331 * @smps_requests: the SMPS requests of differents parts of the driver,
332 * combined on update to yield the overall request to mac80211.
348 struct iwl_mvm_vif_bf_data bf_data;
352 enum iwl_tsf_id tsf_id;
355 * QoS data from mac80211, need to store this here
356 * as mac80211 has a separate callback but we need
357 * to have the data for the MAC context
359 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
360 struct iwl_mvm_time_event_data time_event_data;
361 struct iwl_mvm_time_event_data hs_time_event_data;
363 struct iwl_mvm_int_sta bcast_sta;
366 * Assigned while mac80211 has the interface in a channel context,
367 * or, for P2P Device, while it exists.
369 struct iwl_mvm_phy_ctxt *phy_ctxt;
371 #ifdef CONFIG_PM_SLEEP
372 /* WoWLAN GTK rekey data */
374 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
385 #if IS_ENABLED(CONFIG_IPV6)
386 /* IPv6 addresses for WoWLAN */
387 struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
388 int num_target_ipv6_addrs;
391 #ifdef CONFIG_IWLWIFI_DEBUGFS
393 struct dentry *dbgfs_dir;
394 struct dentry *dbgfs_slink;
395 struct iwl_dbgfs_pm dbgfs_pm;
396 struct iwl_dbgfs_bf dbgfs_bf;
397 struct iwl_mac_power_cmd mac_pwr_cmd;
400 enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
402 /* FW identified misbehaving AP */
403 u8 uapsd_misbehaving_bssid[ETH_ALEN];
406 static inline struct iwl_mvm_vif *
407 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
409 return (void *)vif->drv_priv;
412 extern const u8 tid_to_mac80211_ac[];
414 enum iwl_scan_status {
421 * struct iwl_nvm_section - describes an NVM section in memory.
423 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
424 * and saved for later use by the driver. Not all NVM sections are saved
425 * this way, only the needed ones.
427 struct iwl_nvm_section {
433 * Tx-backoff threshold
434 * @temperature: The threshold in Celsius
435 * @backoff: The tx-backoff in uSec
437 struct iwl_tt_tx_backoff {
442 #define TT_TX_BACKOFF_SIZE 6
445 * struct iwl_tt_params - thermal throttling parameters
446 * @ct_kill_entry: CT Kill entry threshold
447 * @ct_kill_exit: CT Kill exit threshold
448 * @ct_kill_duration: The time intervals (in uSec) in which the driver needs
449 * to checks whether to exit CT Kill.
450 * @dynamic_smps_entry: Dynamic SMPS entry threshold
451 * @dynamic_smps_exit: Dynamic SMPS exit threshold
452 * @tx_protection_entry: TX protection entry threshold
453 * @tx_protection_exit: TX protection exit threshold
454 * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
455 * @support_ct_kill: Support CT Kill?
456 * @support_dynamic_smps: Support dynamic SMPS?
457 * @support_tx_protection: Support tx protection?
458 * @support_tx_backoff: Support tx-backoff?
460 struct iwl_tt_params {
463 u32 ct_kill_duration;
464 s32 dynamic_smps_entry;
465 s32 dynamic_smps_exit;
466 s32 tx_protection_entry;
467 s32 tx_protection_exit;
468 struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
469 bool support_ct_kill;
470 bool support_dynamic_smps;
471 bool support_tx_protection;
472 bool support_tx_backoff;
476 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
477 * @ct_kill_exit: worker to exit thermal kill
478 * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
479 * @tx_backoff: The current thremal throttling tx backoff in uSec.
480 * @min_backoff: The minimal tx backoff due to power restrictions
481 * @params: Parameters to configure the thermal throttling algorithm.
482 * @throttle: Is thermal throttling is active?
484 struct iwl_mvm_tt_mgmt {
485 struct delayed_work ct_kill_exit;
489 const struct iwl_tt_params *params;
493 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
495 struct iwl_mvm_frame_stats {
511 u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
520 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
521 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
522 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
525 /* for logger access */
528 struct iwl_trans *trans;
529 const struct iwl_fw *fw;
530 const struct iwl_cfg *cfg;
531 struct iwl_phy_db *phy_db;
532 struct ieee80211_hw *hw;
534 /* for protecting access to iwl_mvm */
536 struct list_head async_handlers_list;
537 spinlock_t async_handlers_lock;
538 struct work_struct async_handlers_wk;
540 struct work_struct roc_done_wk;
542 unsigned long status;
545 * for beacon filtering -
546 * currently only one interface can be supported
548 struct iwl_mvm_vif *bf_allowed_vif;
550 enum iwl_ucode_type cur_ucode;
552 bool init_ucode_complete;
553 u32 error_event_table;
555 u32 umac_error_event_table;
556 bool support_umac_log;
557 struct iwl_sf_region sf_space;
561 struct iwl_notif_wait_data notif_wait;
563 struct mvm_statistics_rx rx_stats;
565 u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
566 atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
568 const char *nvm_file_name;
569 struct iwl_nvm_data *nvm_data;
571 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
573 /* EEPROM MAC addresses */
574 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
576 /* data related to data path */
577 struct iwl_rx_phy_info last_phy_info;
578 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
579 struct work_struct sta_drained_wk;
580 unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
581 atomic_t pending_frames[IWL_MVM_STATION_COUNT];
584 /* configured by mac80211 */
587 /* Scan status, cmd (pre-allocated) and auxiliary station */
588 enum iwl_scan_status scan_status;
590 struct iwl_mcast_filter_cmd *mcast_filter_cmd;
592 /* rx chain antennas set through debugfs for the scan command */
595 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
596 /* broadcast filters to configure for each associated station */
597 const struct iwl_fw_bcast_filter *bcast_filters;
598 #ifdef CONFIG_IWLWIFI_DEBUGFS
600 u32 override; /* u32 for debugfs_create_bool */
601 struct iwl_bcast_filter_cmd cmd;
602 } dbgfs_bcast_filtering;
606 /* Internal station */
607 struct iwl_mvm_int_sta aux_sta;
609 bool last_ebs_successful;
611 u8 scan_last_antenna_idx; /* to toggle TX between antennas */
612 u8 mgmt_last_antenna_idx;
614 /* last smart fifo state that was successfully sent to firmware */
615 enum iwl_sf_state sf_state;
617 #ifdef CONFIG_IWLWIFI_DEBUGFS
618 struct dentry *debugfs_dir;
619 u32 dbgfs_sram_offset, dbgfs_sram_len;
620 u32 dbgfs_prph_reg_addr;
621 bool disable_power_off;
622 bool disable_power_off_d3;
624 struct debugfs_blob_wrapper nvm_hw_blob;
625 struct debugfs_blob_wrapper nvm_sw_blob;
626 struct debugfs_blob_wrapper nvm_calib_blob;
627 struct debugfs_blob_wrapper nvm_prod_blob;
629 struct iwl_mvm_frame_stats drv_rx_stats;
630 spinlock_t drv_stats_lock;
633 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
635 struct list_head time_event_list;
636 spinlock_t time_event_lock;
639 * A bitmap indicating the index of the key in use. The firmware
640 * can hold 16 keys at most. Reflect this fact.
642 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
644 /* references taken by the driver and spinlock protecting them */
645 spinlock_t refs_lock;
646 u8 refs[IWL_MVM_REF_COUNT];
650 /* -1 for always, 0 for never, >0 for that many times */
652 struct iwl_mvm_dump_ptrs *fw_error_dump;
654 #ifdef CONFIG_IWLWIFI_LEDS
655 struct led_classdev led;
658 struct ieee80211_vif *p2p_device_vif;
660 #ifdef CONFIG_PM_SLEEP
661 struct wiphy_wowlan_support wowlan;
662 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
663 #ifdef CONFIG_IWLWIFI_DEBUGFS
664 u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
666 bool store_d3_resume_sram;
667 void *d3_resume_sram;
669 struct ieee80211_vif *keep_vif;
675 bool d0i3_offloading;
676 struct work_struct d0i3_exit_work;
677 struct sk_buff_head d0i3_tx;
678 /* protect d0i3_suspend_flags */
679 struct mutex d0i3_suspend_mutex;
680 unsigned long d0i3_suspend_flags;
681 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
682 spinlock_t d0i3_tx_lock;
683 wait_queue_head_t d0i3_exit_waitq;
686 u8 bt_ack_kill_msk[NUM_PHY_CTX];
687 u8 bt_cts_kill_msk[NUM_PHY_CTX];
689 struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
690 struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
691 struct iwl_bt_coex_profile_notif last_bt_notif;
692 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
697 enum iwl_bt_force_ant_mode bt_force_ant_mode;
700 struct list_head aux_roc_te_list;
702 /* Thermal Throttling and CTkill */
703 struct iwl_mvm_tt_mgmt thermal_throttle;
704 s32 temperature; /* Celsius */
706 * Debug option to set the NIC temperature. This option makes the
707 * driver think this is the actual NIC temperature, and ignore the
708 * real temperature that is received from the fw
710 bool temperature_test; /* Debug test temperature is enabled */
712 struct iwl_time_quota_cmd last_quota_cmd;
714 #ifdef CONFIG_NL80211_TESTMODE
716 struct ieee80211_vif *noa_vif;
724 /* Indicate if device power save is allowed */
725 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
727 struct ieee80211_vif __rcu *csa_vif;
728 struct ieee80211_vif __rcu *csa_tx_blocked_vif;
729 u8 csa_tx_block_bcn_timeout;
731 /* system time of last beacon (for AP/GO interface) */
732 u32 ap_last_beacon_gp2;
734 u8 low_latency_agg_frame_limit;
737 /* Extract MVM priv from op_mode and _hw */
738 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \
739 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
741 #define IWL_MAC80211_GET_MVM(_hw) \
742 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
744 enum iwl_mvm_status {
745 IWL_MVM_STATUS_HW_RFKILL,
746 IWL_MVM_STATUS_HW_CTKILL,
747 IWL_MVM_STATUS_ROC_RUNNING,
748 IWL_MVM_STATUS_IN_HW_RESTART,
749 IWL_MVM_STATUS_IN_D0I3,
750 IWL_MVM_STATUS_ROC_AUX_RUNNING,
753 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
755 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
756 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
759 static inline struct iwl_mvm_sta *
760 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
762 struct ieee80211_sta *sta;
764 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
767 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
768 lockdep_is_held(&mvm->mutex));
770 /* This can happen if the station has been removed right now */
771 if (IS_ERR_OR_NULL(sta))
774 return iwl_mvm_sta_from_mac80211(sta);
777 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
779 return mvm->trans->cfg->d0i3 &&
780 (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
783 extern const u8 iwl_mvm_ac_to_tx_fifo[];
785 struct iwl_rate_info {
786 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */
787 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */
788 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */
789 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */
790 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */
797 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
800 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
801 enum ieee80211_band band);
802 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
803 enum ieee80211_band band,
804 struct ieee80211_tx_rate *r);
805 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
806 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
807 u8 first_antenna(u8 mask);
808 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
810 /* Tx / Host Commands */
811 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
812 struct iwl_host_cmd *cmd);
813 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
814 u32 flags, u16 len, const void *data);
815 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
816 struct iwl_host_cmd *cmd,
818 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
819 u16 len, const void *data,
821 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
822 struct ieee80211_sta *sta);
823 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
824 #ifdef CONFIG_IWLWIFI_DEBUG
825 const char *iwl_mvm_get_tx_fail_reason(u32 status);
827 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
829 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
830 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
832 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
834 flush_work(&mvm->async_handlers_wk);
838 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
839 struct iwl_rx_cmd_buffer *rxb,
840 struct iwl_device_cmd *cmd);
841 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
842 struct iwl_rx_cmd_buffer *rxb,
843 struct iwl_device_cmd *cmd);
846 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
847 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
849 int iwl_mvm_up(struct iwl_mvm *mvm);
850 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
852 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
853 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
854 struct iwl_bcast_filter_cmd *cmd);
857 * FW notifications / CMD responses handlers
858 * Convention: iwl_mvm_rx_<NAME OF THE CMD>
860 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
861 struct iwl_device_cmd *cmd);
862 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
863 struct iwl_device_cmd *cmd);
864 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
865 struct iwl_device_cmd *cmd);
866 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
867 struct iwl_device_cmd *cmd);
868 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
869 struct iwl_device_cmd *cmd);
870 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
871 struct iwl_rx_cmd_buffer *rxb,
872 struct iwl_device_cmd *cmd);
873 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
874 struct iwl_device_cmd *cmd);
875 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
876 struct iwl_rx_cmd_buffer *rxb,
877 struct iwl_device_cmd *cmd);
878 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
879 struct iwl_device_cmd *cmd);
882 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
883 struct cfg80211_chan_def *chandef,
884 u8 chains_static, u8 chains_dynamic);
885 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
886 struct cfg80211_chan_def *chandef,
887 u8 chains_static, u8 chains_dynamic);
888 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
889 struct iwl_mvm_phy_ctxt *ctxt);
890 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
891 struct iwl_mvm_phy_ctxt *ctxt);
892 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
894 /* MAC (virtual interface) programming */
895 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
896 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
897 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
898 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
899 bool force_assoc_off, const u8 *bssid_override);
900 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
901 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
902 struct ieee80211_vif *vif);
903 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
904 struct ieee80211_vif *vif);
905 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
906 struct iwl_rx_cmd_buffer *rxb,
907 struct iwl_device_cmd *cmd);
908 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
909 struct iwl_rx_cmd_buffer *rxb,
910 struct iwl_device_cmd *cmd);
911 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
912 struct ieee80211_vif *vif);
915 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
916 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
918 /* Quota management */
919 int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
920 struct ieee80211_vif *disabled_vif);
923 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
924 struct ieee80211_vif *vif,
925 struct cfg80211_scan_request *req);
926 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
927 struct iwl_device_cmd *cmd);
928 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
929 struct iwl_device_cmd *cmd);
930 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
933 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
934 struct iwl_rx_cmd_buffer *rxb,
935 struct iwl_device_cmd *cmd);
936 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
937 struct ieee80211_vif *vif,
938 struct cfg80211_sched_scan_request *req,
939 struct ieee80211_scan_ies *ies);
940 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
941 struct cfg80211_sched_scan_request *req);
942 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
943 struct cfg80211_sched_scan_request *req);
944 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
945 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
946 struct iwl_rx_cmd_buffer *rxb,
947 struct iwl_device_cmd *cmd);
950 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
951 struct ieee80211_vif *vif,
952 struct ieee80211_scan_request *req);
953 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
954 struct ieee80211_vif *vif,
955 struct cfg80211_sched_scan_request *req,
956 struct ieee80211_scan_ies *ies);
959 #ifdef CONFIG_IWLWIFI_DEBUGFS
960 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
961 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
962 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
964 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
965 struct dentry *dbgfs_dir)
970 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
974 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
977 #endif /* CONFIG_IWLWIFI_DEBUGFS */
980 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
981 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm,
982 struct iwl_mvm_frame_stats *stats,
984 int rs_pretty_print_rate(char *buf, const u32 rate);
986 /* power management */
987 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
988 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
989 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
990 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
991 char *buf, int bufsz);
993 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
994 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
995 struct iwl_rx_cmd_buffer *rxb,
996 struct iwl_device_cmd *cmd);
998 #ifdef CONFIG_IWLWIFI_LEDS
999 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1000 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1002 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1006 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1011 /* D3 (WoWLAN, NetDetect) */
1012 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1013 int iwl_mvm_resume(struct ieee80211_hw *hw);
1014 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1015 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1016 struct ieee80211_vif *vif,
1017 struct cfg80211_gtk_rekey_data *data);
1018 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1019 struct ieee80211_vif *vif,
1020 struct inet6_dev *idev);
1021 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1022 struct ieee80211_vif *vif, int idx);
1023 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1024 #ifdef CONFIG_PM_SLEEP
1025 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1026 struct ieee80211_vif *vif);
1029 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1033 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1034 struct iwl_wowlan_config_cmd_v2 *cmd);
1035 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1036 struct ieee80211_vif *vif,
1037 bool disable_offloading,
1041 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1042 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1043 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1044 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1045 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1048 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1049 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1050 struct iwl_rx_cmd_buffer *rxb,
1051 struct iwl_device_cmd *cmd);
1052 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1053 enum ieee80211_rssi_event rssi_event);
1054 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1055 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1056 struct ieee80211_sta *sta);
1057 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1058 struct ieee80211_sta *sta);
1059 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1060 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1061 enum ieee80211_band band);
1062 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1063 struct ieee80211_tx_info *info, u8 ac);
1065 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1066 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1067 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1068 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1069 struct iwl_rx_cmd_buffer *rxb,
1070 struct iwl_device_cmd *cmd);
1071 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1072 enum ieee80211_rssi_event rssi_event);
1073 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1074 struct ieee80211_sta *sta);
1075 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1076 struct ieee80211_sta *sta);
1077 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1078 enum ieee80211_band band);
1079 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1080 struct iwl_rx_cmd_buffer *rxb,
1081 struct iwl_device_cmd *cmd);
1083 enum iwl_bt_kill_msk {
1084 BT_KILL_MSK_DEFAULT,
1090 extern const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1091 extern const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1092 extern const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX];
1094 /* beacon filtering */
1095 #ifdef CONFIG_IWLWIFI_DEBUGFS
1097 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1098 struct iwl_beacon_filter_cmd *cmd);
1101 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1102 struct iwl_beacon_filter_cmd *cmd)
1105 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1106 struct ieee80211_vif *vif,
1107 bool enable, u32 flags);
1108 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1109 struct ieee80211_vif *vif,
1111 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1112 struct ieee80211_vif *vif,
1115 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1116 enum iwl_mvm_smps_type_request req_type,
1117 enum ieee80211_smps_mode smps_request);
1118 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1121 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1123 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1124 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1125 /* get VMACLowLatencyMode */
1126 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1129 * should this consider associated/active/... state?
1131 * Normally low-latency should only be active on interfaces
1132 * that are active, but at least with debugfs it can also be
1133 * enabled on interfaces that aren't active. However, when
1134 * interface aren't active then they aren't added into the
1135 * binding, so this has no real impact. For now, just return
1136 * the current desired low-latency state.
1139 return mvmvif->low_latency;
1143 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
1145 /* Thermal management and CT-kill */
1146 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1147 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1148 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1149 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1150 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1153 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1157 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1159 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1161 #endif /* __IWL_MVM_H__ */