xref: /freebsd/sys/contrib/dev/iwlwifi/mvm/ops.c (revision 681ce946)
1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3  * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
4  * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5  * Copyright (C) 2016-2017 Intel Deutschland GmbH
6  */
7 #if defined(__FreeBSD__)
8 #define	LINUXKPI_PARAM_PREFIX	iwlwifi_mvm_
9 #endif
10 #include <linux/module.h>
11 #include <linux/vmalloc.h>
12 #include <net/mac80211.h>
13 
14 #include "fw/notif-wait.h"
15 #include "iwl-trans.h"
16 #include "iwl-op-mode.h"
17 #include "fw/img.h"
18 #include "iwl-debug.h"
19 #include "iwl-drv.h"
20 #include "iwl-modparams.h"
21 #include "mvm.h"
22 #include "iwl-phy-db.h"
23 #include "iwl-eeprom-parse.h"
24 #include "iwl-csr.h"
25 #include "iwl-io.h"
26 #include "iwl-prph.h"
27 #include "rs.h"
28 #include "fw/api/scan.h"
29 #include "time-event.h"
30 #include "fw-api.h"
31 #include "fw/acpi.h"
32 
33 #if defined(__linux__)
34 #define DRV_DESCRIPTION	"The new Intel(R) wireless AGN driver for Linux"
35 MODULE_LICENSE("GPL");
36 #elif defined(__FreeBSD__)
37 #define DRV_DESCRIPTION	"The new Intel(R) wireless AGN/AC/AX based driver for FreeBSD"
38 MODULE_LICENSE("BSD");
39 #endif
40 MODULE_DESCRIPTION(DRV_DESCRIPTION);
41 
42 static const struct iwl_op_mode_ops iwl_mvm_ops;
43 static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
44 
45 struct iwl_mvm_mod_params iwlmvm_mod_params = {
46 #if defined(__FreeBSD__)
47 	.power_scheme = IWL_POWER_SCHEME_CAM,	/* disable default PS */
48 #else
49 	.power_scheme = IWL_POWER_SCHEME_BPS,
50 #endif
51 	/* rest of fields are 0 by default */
52 };
53 
54 module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
55 MODULE_PARM_DESC(init_dbg,
56 		 "set to true to debug an ASSERT in INIT fw (default: false");
57 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
58 MODULE_PARM_DESC(power_scheme,
59 		 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
60 
61 /*
62  * module init and exit functions
63  */
64 static int __init iwl_mvm_init(void)
65 {
66 	int ret;
67 
68 	ret = iwl_mvm_rate_control_register();
69 	if (ret) {
70 		pr_err("Unable to register rate control algorithm: %d\n", ret);
71 		return ret;
72 	}
73 
74 	ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
75 	if (ret)
76 		pr_err("Unable to register MVM op_mode: %d\n", ret);
77 
78 	return ret;
79 }
80 #if defined(__linux__)
81 module_init(iwl_mvm_init);
82 #elif defined(__FreeBSD__)
83 module_init_order(iwl_mvm_init, SI_ORDER_SECOND);
84 #endif
85 
86 static void __exit iwl_mvm_exit(void)
87 {
88 	iwl_opmode_deregister("iwlmvm");
89 	iwl_mvm_rate_control_unregister();
90 }
91 module_exit(iwl_mvm_exit);
92 
93 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
94 {
95 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
96 	u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
97 	u32 reg_val = 0;
98 	u32 phy_config = iwl_mvm_get_phy_config(mvm);
99 
100 	radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
101 			 FW_PHY_CFG_RADIO_TYPE_POS;
102 	radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
103 			 FW_PHY_CFG_RADIO_STEP_POS;
104 	radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
105 			 FW_PHY_CFG_RADIO_DASH_POS;
106 
107 	/* SKU control */
108 	reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) <<
109 				CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
110 	reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) <<
111 				CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;
112 
113 	/* radio configuration */
114 	reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
115 	reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
116 	reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
117 
118 	WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
119 		 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
120 
121 	/*
122 	 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
123 	 * sampling, and shouldn't be set to any non-zero value.
124 	 * The same is supposed to be true of the other HW, but unsetting
125 	 * them (such as the 7260) causes automatic tests to fail on seemingly
126 	 * unrelated errors. Need to further investigate this, but for now
127 	 * we'll separate cases.
128 	 */
129 	if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000)
130 		reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
131 
132 	if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt))
133 		reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
134 
135 	iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
136 				CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH |
137 				CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
138 				CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
139 				CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
140 				CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
141 				CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
142 				CSR_HW_IF_CONFIG_REG_BIT_MAC_SI   |
143 				CSR_HW_IF_CONFIG_REG_D3_DEBUG,
144 				reg_val);
145 
146 	IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
147 		       radio_cfg_step, radio_cfg_dash);
148 
149 	/*
150 	 * W/A : NIC is stuck in a reset state after Early PCIe power off
151 	 * (PCIe power is lost before PERST# is asserted), causing ME FW
152 	 * to lose ownership and not being able to obtain it back.
153 	 */
154 	if (!mvm->trans->cfg->apmg_not_supported)
155 		iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
156 				       APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
157 				       ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
158 }
159 
160 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm,
161 				     struct iwl_rx_cmd_buffer *rxb)
162 {
163 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
164 	struct iwl_datapath_monitor_notif *notif = (void *)pkt->data;
165 	struct ieee80211_supported_band *sband;
166 	const struct ieee80211_sta_he_cap *he_cap;
167 	struct ieee80211_vif *vif;
168 
169 	if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA))
170 		return;
171 
172 	vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id);
173 	if (!vif || vif->type != NL80211_IFTYPE_STATION)
174 		return;
175 
176 	if (!vif->bss_conf.chandef.chan ||
177 	    vif->bss_conf.chandef.chan->band != NL80211_BAND_2GHZ ||
178 	    vif->bss_conf.chandef.width < NL80211_CHAN_WIDTH_40)
179 		return;
180 
181 	if (!vif->bss_conf.assoc)
182 		return;
183 
184 	/* this shouldn't happen *again*, ignore it */
185 	if (mvm->cca_40mhz_workaround)
186 		return;
187 
188 	/*
189 	 * We'll decrement this on disconnect - so set to 2 since we'll
190 	 * still have to disconnect from the current AP first.
191 	 */
192 	mvm->cca_40mhz_workaround = 2;
193 
194 	/*
195 	 * This capability manipulation isn't really ideal, but it's the
196 	 * easiest choice - otherwise we'd have to do some major changes
197 	 * in mac80211 to support this, which isn't worth it. This does
198 	 * mean that userspace may have outdated information, but that's
199 	 * actually not an issue at all.
200 	 */
201 	sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
202 
203 	WARN_ON(!sband->ht_cap.ht_supported);
204 	WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40));
205 	sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
206 
207 	he_cap = ieee80211_get_he_iftype_cap(sband,
208 					     ieee80211_vif_type_p2p(vif));
209 
210 	if (he_cap) {
211 		/* we know that ours is writable */
212 		struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap;
213 
214 		WARN_ON(!he->has_he);
215 		WARN_ON(!(he->he_cap_elem.phy_cap_info[0] &
216 				IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G));
217 		he->he_cap_elem.phy_cap_info[0] &=
218 			~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
219 	}
220 
221 	ieee80211_disconnect(vif, true);
222 }
223 
224 void iwl_mvm_apply_fw_smps_request(struct ieee80211_vif *vif)
225 {
226 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
227 	struct iwl_mvm *mvm = mvmvif->mvm;
228 	enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC;
229 
230 	if (mvm->fw_static_smps_request &&
231 	    vif->bss_conf.chandef.width == NL80211_CHAN_WIDTH_160 &&
232 	    vif->bss_conf.he_support)
233 		mode = IEEE80211_SMPS_STATIC;
234 
235 	iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode);
236 }
237 
238 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac,
239 					struct ieee80211_vif *vif)
240 {
241 	iwl_mvm_apply_fw_smps_request(vif);
242 }
243 
244 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm,
245 					      struct iwl_rx_cmd_buffer *rxb)
246 {
247 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
248 	struct iwl_thermal_dual_chain_request *req = (void *)pkt->data;
249 
250 	/*
251 	 * We could pass it to the iterator data, but also need to remember
252 	 * it for new interfaces that are added while in this state.
253 	 */
254 	mvm->fw_static_smps_request =
255 		req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE);
256 	ieee80211_iterate_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
257 				     iwl_mvm_intf_dual_chain_req, NULL);
258 }
259 
260 /**
261  * enum iwl_rx_handler_context context for Rx handler
262  * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
263  *	which can't acquire mvm->mutex.
264  * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
265  *	(and only in this case!), it should be set as ASYNC. In that case,
266  *	it will be called from a worker with mvm->mutex held.
267  * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
268  *	mutex itself, it will be called from a worker without mvm->mutex held.
269  */
270 enum iwl_rx_handler_context {
271 	RX_HANDLER_SYNC,
272 	RX_HANDLER_ASYNC_LOCKED,
273 	RX_HANDLER_ASYNC_UNLOCKED,
274 };
275 
276 /**
277  * struct iwl_rx_handlers handler for FW notification
278  * @cmd_id: command id
279  * @context: see &iwl_rx_handler_context
280  * @fn: the function is called when notification is received
281  */
282 struct iwl_rx_handlers {
283 	u16 cmd_id, min_size;
284 	enum iwl_rx_handler_context context;
285 	void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
286 };
287 
288 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context)		\
289 	{ .cmd_id = _cmd_id, .fn = _fn, .context = _context, }
290 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context)	\
291 	{ .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, }
292 #define RX_HANDLER(_cmd_id, _fn, _context, _struct)		\
293 	{ .cmd_id = _cmd_id, .fn = _fn,				\
294 	  .context = _context, .min_size = sizeof(_struct), }
295 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct)	\
296 	{ .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn,		\
297 	  .context = _context, .min_size = sizeof(_struct), }
298 
299 /*
300  * Handlers for fw notifications
301  * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
302  * This list should be in order of frequency for performance purposes.
303  *
304  * The handler can be one from three contexts, see &iwl_rx_handler_context
305  */
306 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
307 	RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC,
308 		   struct iwl_mvm_tx_resp),
309 	RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC,
310 		   struct iwl_mvm_ba_notif),
311 
312 	RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
313 		       iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC,
314 		       struct iwl_tlc_update_notif),
315 
316 	RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
317 		   RX_HANDLER_ASYNC_LOCKED, struct iwl_bt_coex_profile_notif),
318 	RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
319 			   RX_HANDLER_ASYNC_LOCKED),
320 	RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
321 			   RX_HANDLER_ASYNC_LOCKED),
322 
323 	RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
324 		   iwl_mvm_window_status_notif, RX_HANDLER_SYNC,
325 		   struct iwl_ba_window_status_notif),
326 
327 	RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
328 		   RX_HANDLER_SYNC, struct iwl_time_event_notif),
329 	RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
330 		       iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC,
331 		       struct iwl_mvm_session_prot_notif),
332 	RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
333 		   RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif),
334 
335 	RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC,
336 		   struct iwl_mvm_eosp_notification),
337 
338 	RX_HANDLER(SCAN_ITERATION_COMPLETE,
339 		   iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC,
340 		   struct iwl_lmac_scan_complete_notif),
341 	RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
342 		   iwl_mvm_rx_lmac_scan_complete_notif,
343 		   RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete),
344 	RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION,
345 			   iwl_mvm_rx_scan_match_found,
346 			   RX_HANDLER_SYNC),
347 	RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
348 		   RX_HANDLER_ASYNC_LOCKED, struct iwl_umac_scan_complete),
349 	RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
350 		   iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC,
351 		   struct iwl_umac_scan_iter_complete_notif),
352 
353 	RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif,
354 		   RX_HANDLER_SYNC, struct iwl_card_state_notif),
355 
356 	RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
357 		   RX_HANDLER_SYNC, struct iwl_missed_beacons_notif),
358 
359 	RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC,
360 		   struct iwl_error_resp),
361 	RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
362 		   iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC,
363 		   struct iwl_uapsd_misbehaving_ap_notif),
364 	RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
365 			   RX_HANDLER_ASYNC_LOCKED),
366 	RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
367 			       iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
368 	RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
369 		       iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC,
370 		       struct ct_kill_notif),
371 
372 	RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
373 		   RX_HANDLER_ASYNC_LOCKED,
374 		   struct iwl_tdls_channel_switch_notif),
375 	RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
376 		   RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1),
377 	RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
378 		       iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED,
379 		       struct iwl_ftm_responder_stats),
380 
381 	RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
382 			       iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
383 	RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF,
384 			       iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
385 
386 	RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
387 		       iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC,
388 		       struct iwl_mfu_assert_dump_notif),
389 	RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
390 		       iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC,
391 		       struct iwl_stored_beacon_notif_v2),
392 	RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
393 		       iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC,
394 		       struct iwl_mu_group_mgmt_notif),
395 	RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
396 		       iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC,
397 		       struct iwl_mvm_pm_state_notification),
398 	RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF,
399 		       iwl_mvm_probe_resp_data_notif,
400 		       RX_HANDLER_ASYNC_LOCKED,
401 		       struct iwl_probe_resp_data_notif),
402 	RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF,
403 		       iwl_mvm_channel_switch_start_notif,
404 		       RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif),
405 	RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF,
406 		       iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED,
407 		       struct iwl_datapath_monitor_notif),
408 
409 	RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST,
410 		       iwl_mvm_rx_thermal_dual_chain_req,
411 		       RX_HANDLER_ASYNC_LOCKED,
412 		       struct iwl_thermal_dual_chain_request),
413 };
414 #undef RX_HANDLER
415 #undef RX_HANDLER_GRP
416 
417 /* Please keep this array *SORTED* by hex value.
418  * Access is done through binary search
419  */
420 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
421 	HCMD_NAME(UCODE_ALIVE_NTFY),
422 	HCMD_NAME(REPLY_ERROR),
423 	HCMD_NAME(ECHO_CMD),
424 	HCMD_NAME(INIT_COMPLETE_NOTIF),
425 	HCMD_NAME(PHY_CONTEXT_CMD),
426 	HCMD_NAME(DBG_CFG),
427 	HCMD_NAME(SCAN_CFG_CMD),
428 	HCMD_NAME(SCAN_REQ_UMAC),
429 	HCMD_NAME(SCAN_ABORT_UMAC),
430 	HCMD_NAME(SCAN_COMPLETE_UMAC),
431 	HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
432 	HCMD_NAME(ADD_STA_KEY),
433 	HCMD_NAME(ADD_STA),
434 	HCMD_NAME(REMOVE_STA),
435 	HCMD_NAME(FW_GET_ITEM_CMD),
436 	HCMD_NAME(TX_CMD),
437 	HCMD_NAME(SCD_QUEUE_CFG),
438 	HCMD_NAME(TXPATH_FLUSH),
439 	HCMD_NAME(MGMT_MCAST_KEY),
440 	HCMD_NAME(WEP_KEY),
441 	HCMD_NAME(SHARED_MEM_CFG),
442 	HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
443 	HCMD_NAME(MAC_CONTEXT_CMD),
444 	HCMD_NAME(TIME_EVENT_CMD),
445 	HCMD_NAME(TIME_EVENT_NOTIFICATION),
446 	HCMD_NAME(BINDING_CONTEXT_CMD),
447 	HCMD_NAME(TIME_QUOTA_CMD),
448 	HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
449 	HCMD_NAME(LEDS_CMD),
450 	HCMD_NAME(LQ_CMD),
451 	HCMD_NAME(FW_PAGING_BLOCK_CMD),
452 	HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
453 	HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
454 	HCMD_NAME(HOT_SPOT_CMD),
455 	HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
456 	HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
457 	HCMD_NAME(BT_COEX_CI),
458 	HCMD_NAME(PHY_CONFIGURATION_CMD),
459 	HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
460 	HCMD_NAME(PHY_DB_CMD),
461 	HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
462 	HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
463 	HCMD_NAME(POWER_TABLE_CMD),
464 	HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
465 	HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
466 	HCMD_NAME(DC2DC_CONFIG_CMD),
467 	HCMD_NAME(NVM_ACCESS_CMD),
468 	HCMD_NAME(BEACON_NOTIFICATION),
469 	HCMD_NAME(BEACON_TEMPLATE_CMD),
470 	HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
471 	HCMD_NAME(BT_CONFIG),
472 	HCMD_NAME(STATISTICS_CMD),
473 	HCMD_NAME(STATISTICS_NOTIFICATION),
474 	HCMD_NAME(EOSP_NOTIFICATION),
475 	HCMD_NAME(REDUCE_TX_POWER_CMD),
476 	HCMD_NAME(CARD_STATE_NOTIFICATION),
477 	HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
478 	HCMD_NAME(TDLS_CONFIG_CMD),
479 	HCMD_NAME(MAC_PM_POWER_TABLE),
480 	HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
481 	HCMD_NAME(MFUART_LOAD_NOTIFICATION),
482 	HCMD_NAME(RSS_CONFIG_CMD),
483 	HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
484 	HCMD_NAME(REPLY_RX_PHY_CMD),
485 	HCMD_NAME(REPLY_RX_MPDU_CMD),
486 	HCMD_NAME(BAR_FRAME_RELEASE),
487 	HCMD_NAME(FRAME_RELEASE),
488 	HCMD_NAME(BA_NOTIF),
489 	HCMD_NAME(MCC_UPDATE_CMD),
490 	HCMD_NAME(MCC_CHUB_UPDATE_CMD),
491 	HCMD_NAME(MARKER_CMD),
492 	HCMD_NAME(BT_PROFILE_NOTIFICATION),
493 	HCMD_NAME(BCAST_FILTER_CMD),
494 	HCMD_NAME(MCAST_FILTER_CMD),
495 	HCMD_NAME(REPLY_SF_CFG_CMD),
496 	HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
497 	HCMD_NAME(D3_CONFIG_CMD),
498 	HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
499 	HCMD_NAME(OFFLOADS_QUERY_CMD),
500 	HCMD_NAME(MATCH_FOUND_NOTIFICATION),
501 	HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
502 	HCMD_NAME(WOWLAN_PATTERNS),
503 	HCMD_NAME(WOWLAN_CONFIGURATION),
504 	HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
505 	HCMD_NAME(WOWLAN_TKIP_PARAM),
506 	HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
507 	HCMD_NAME(WOWLAN_GET_STATUSES),
508 	HCMD_NAME(SCAN_ITERATION_COMPLETE),
509 	HCMD_NAME(D0I3_END_CMD),
510 	HCMD_NAME(LTR_CONFIG),
511 	HCMD_NAME(LDBG_CONFIG_CMD),
512 };
513 
514 /* Please keep this array *SORTED* by hex value.
515  * Access is done through binary search
516  */
517 static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
518 	HCMD_NAME(SHARED_MEM_CFG_CMD),
519 	HCMD_NAME(INIT_EXTENDED_CFG_CMD),
520 	HCMD_NAME(FW_ERROR_RECOVERY_CMD),
521 };
522 
523 /* Please keep this array *SORTED* by hex value.
524  * Access is done through binary search
525  */
526 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
527 	HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
528 	HCMD_NAME(SESSION_PROTECTION_CMD),
529 	HCMD_NAME(SESSION_PROTECTION_NOTIF),
530 	HCMD_NAME(CHANNEL_SWITCH_START_NOTIF),
531 };
532 
533 /* Please keep this array *SORTED* by hex value.
534  * Access is done through binary search
535  */
536 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
537 	HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
538 	HCMD_NAME(CTDP_CONFIG_CMD),
539 	HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
540 	HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD),
541 	HCMD_NAME(CT_KILL_NOTIFICATION),
542 	HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
543 };
544 
545 /* Please keep this array *SORTED* by hex value.
546  * Access is done through binary search
547  */
548 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
549 	HCMD_NAME(DQA_ENABLE_CMD),
550 	HCMD_NAME(UPDATE_MU_GROUPS_CMD),
551 	HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
552 	HCMD_NAME(STA_HE_CTXT_CMD),
553 	HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
554 	HCMD_NAME(TLC_MNG_CONFIG_CMD),
555 	HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
556 	HCMD_NAME(MONITOR_NOTIF),
557 	HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST),
558 	HCMD_NAME(STA_PM_NOTIF),
559 	HCMD_NAME(MU_GROUP_MGMT_NOTIF),
560 	HCMD_NAME(RX_QUEUES_NOTIFICATION),
561 };
562 
563 /* Please keep this array *SORTED* by hex value.
564  * Access is done through binary search
565  */
566 static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
567 	HCMD_NAME(TOF_RANGE_REQ_CMD),
568 	HCMD_NAME(TOF_CONFIG_CMD),
569 	HCMD_NAME(TOF_RANGE_ABORT_CMD),
570 	HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
571 	HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
572 	HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
573 	HCMD_NAME(TOF_LC_NOTIF),
574 	HCMD_NAME(TOF_RESPONDER_STATS),
575 	HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
576 	HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
577 };
578 
579 /* Please keep this array *SORTED* by hex value.
580  * Access is done through binary search
581  */
582 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
583 	HCMD_NAME(STORED_BEACON_NTF),
584 };
585 
586 /* Please keep this array *SORTED* by hex value.
587  * Access is done through binary search
588  */
589 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
590 	HCMD_NAME(NVM_ACCESS_COMPLETE),
591 	HCMD_NAME(NVM_GET_INFO),
592 	HCMD_NAME(TAS_CONFIG),
593 };
594 
595 static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
596 	[LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
597 	[LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
598 	[SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
599 	[MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
600 	[PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
601 	[DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
602 	[LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
603 	[PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
604 	[REGULATORY_AND_NVM_GROUP] =
605 		HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
606 };
607 
608 /* this forward declaration can avoid to export the function */
609 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
610 
611 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
612 {
613 	const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
614 	u64 dflt_pwr_limit;
615 
616 	if (!backoff)
617 		return 0;
618 
619 	dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
620 
621 	while (backoff->pwr) {
622 		if (dflt_pwr_limit >= backoff->pwr)
623 			return backoff->backoff;
624 
625 		backoff++;
626 	}
627 
628 	return 0;
629 }
630 
631 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
632 {
633 	struct iwl_mvm *mvm =
634 		container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
635 	struct ieee80211_vif *tx_blocked_vif;
636 	struct iwl_mvm_vif *mvmvif;
637 
638 	mutex_lock(&mvm->mutex);
639 
640 	tx_blocked_vif =
641 		rcu_dereference_protected(mvm->csa_tx_blocked_vif,
642 					  lockdep_is_held(&mvm->mutex));
643 
644 	if (!tx_blocked_vif)
645 		goto unlock;
646 
647 	mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
648 	iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
649 	RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
650 unlock:
651 	mutex_unlock(&mvm->mutex);
652 }
653 
654 static int iwl_mvm_fwrt_dump_start(void *ctx)
655 {
656 	struct iwl_mvm *mvm = ctx;
657 
658 	mutex_lock(&mvm->mutex);
659 
660 	return 0;
661 }
662 
663 static void iwl_mvm_fwrt_dump_end(void *ctx)
664 {
665 	struct iwl_mvm *mvm = ctx;
666 
667 	mutex_unlock(&mvm->mutex);
668 }
669 
670 static bool iwl_mvm_fwrt_fw_running(void *ctx)
671 {
672 	return iwl_mvm_firmware_running(ctx);
673 }
674 
675 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
676 {
677 	struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
678 	int ret;
679 
680 	mutex_lock(&mvm->mutex);
681 	ret = iwl_mvm_send_cmd(mvm, host_cmd);
682 	mutex_unlock(&mvm->mutex);
683 
684 	return ret;
685 }
686 
687 static bool iwl_mvm_d3_debug_enable(void *ctx)
688 {
689 	return IWL_MVM_D3_DEBUG;
690 }
691 
692 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
693 	.dump_start = iwl_mvm_fwrt_dump_start,
694 	.dump_end = iwl_mvm_fwrt_dump_end,
695 	.fw_running = iwl_mvm_fwrt_fw_running,
696 	.send_hcmd = iwl_mvm_fwrt_send_hcmd,
697 	.d3_debug_enable = iwl_mvm_d3_debug_enable,
698 };
699 
700 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
701 {
702 	int ret;
703 
704 	rtnl_lock();
705 	mutex_lock(&mvm->mutex);
706 
707 	ret = iwl_run_init_mvm_ucode(mvm);
708 
709 	if (ret && ret != -ERFKILL)
710 		iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
711 	if (!ret && iwl_mvm_is_lar_supported(mvm)) {
712 		mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
713 		ret = iwl_mvm_init_mcc(mvm);
714 	}
715 
716 	if (!iwlmvm_mod_params.init_dbg || !ret)
717 		iwl_mvm_stop_device(mvm);
718 
719 	mutex_unlock(&mvm->mutex);
720 	rtnl_unlock();
721 
722 	if (ret < 0)
723 		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
724 
725 	return ret;
726 }
727 
728 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
729 {
730 	int ret;
731 
732 	iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
733 
734 	ret = iwl_mvm_mac_setup_register(mvm);
735 	if (ret)
736 		return ret;
737 	mvm->hw_registered = true;
738 
739 	iwl_mvm_dbgfs_register(mvm);
740 
741 	return 0;
742 }
743 
744 struct iwl_mvm_frob_txf_data {
745 	u8 *buf;
746 	size_t buflen;
747 };
748 
749 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw,
750 				      struct ieee80211_vif *vif,
751 				      struct ieee80211_sta *sta,
752 				      struct ieee80211_key_conf *key,
753 				      void *data)
754 {
755 	struct iwl_mvm_frob_txf_data *txf = data;
756 	u8 keylen, match, matchend;
757 	u8 *keydata;
758 	size_t i;
759 
760 	switch (key->cipher) {
761 	case WLAN_CIPHER_SUITE_CCMP:
762 		keydata = key->key;
763 		keylen = key->keylen;
764 		break;
765 	case WLAN_CIPHER_SUITE_WEP40:
766 	case WLAN_CIPHER_SUITE_WEP104:
767 	case WLAN_CIPHER_SUITE_TKIP:
768 		/*
769 		 * WEP has short keys which might show up in the payload,
770 		 * and then you can deduce the key, so in this case just
771 		 * remove all FIFO data.
772 		 * For TKIP, we don't know the phase 2 keys here, so same.
773 		 */
774 		memset(txf->buf, 0xBB, txf->buflen);
775 		return;
776 	default:
777 		return;
778 	}
779 
780 	/* scan for key material and clear it out */
781 	match = 0;
782 	for (i = 0; i < txf->buflen; i++) {
783 		if (txf->buf[i] != keydata[match]) {
784 			match = 0;
785 			continue;
786 		}
787 		match++;
788 		if (match == keylen) {
789 			memset(txf->buf + i - keylen, 0xAA, keylen);
790 			match = 0;
791 		}
792 	}
793 
794 	/* we're dealing with a FIFO, so check wrapped around data */
795 	matchend = match;
796 	for (i = 0; match && i < keylen - match; i++) {
797 		if (txf->buf[i] != keydata[match])
798 			break;
799 		match++;
800 		if (match == keylen) {
801 			memset(txf->buf, 0xAA, i + 1);
802 			memset(txf->buf + txf->buflen - matchend, 0xAA,
803 			       matchend);
804 			break;
805 		}
806 	}
807 }
808 
809 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen)
810 {
811 	struct iwl_mvm_frob_txf_data txf = {
812 		.buf = buf,
813 		.buflen = buflen,
814 	};
815 	struct iwl_mvm *mvm = ctx;
816 
817 	/* embedded key material exists only on old API */
818 	if (iwl_mvm_has_new_tx_api(mvm))
819 		return;
820 
821 	rcu_read_lock();
822 	ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf);
823 	rcu_read_unlock();
824 }
825 
826 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len)
827 {
828 	/* we only use wide headers for commands */
829 	struct iwl_cmd_header_wide *hdr = hcmd;
830 	unsigned int frob_start = sizeof(*hdr), frob_end = 0;
831 
832 	if (len < sizeof(hdr))
833 		return;
834 
835 	/* all the commands we care about are in LONG_GROUP */
836 	if (hdr->group_id != LONG_GROUP)
837 		return;
838 
839 	switch (hdr->cmd) {
840 	case WEP_KEY:
841 	case WOWLAN_TKIP_PARAM:
842 	case WOWLAN_KEK_KCK_MATERIAL:
843 	case ADD_STA_KEY:
844 		/*
845 		 * blank out everything here, easier than dealing
846 		 * with the various versions of the command
847 		 */
848 		frob_end = INT_MAX;
849 		break;
850 	case MGMT_MCAST_KEY:
851 		frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
852 		BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) !=
853 			     offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
854 
855 		frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
856 		BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) <
857 			     offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
858 		break;
859 	}
860 
861 	if (frob_start >= frob_end)
862 		return;
863 
864 	if (frob_end > len)
865 		frob_end = len;
866 
867 	memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start);
868 }
869 
870 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen)
871 {
872 	const struct iwl_dump_exclude *excl;
873 	struct iwl_mvm *mvm = ctx;
874 	int i;
875 
876 	switch (mvm->fwrt.cur_fw_img) {
877 	case IWL_UCODE_INIT:
878 	default:
879 		/* not relevant */
880 		return;
881 	case IWL_UCODE_REGULAR:
882 	case IWL_UCODE_REGULAR_USNIFFER:
883 		excl = mvm->fw->dump_excl;
884 		break;
885 	case IWL_UCODE_WOWLAN:
886 		excl = mvm->fw->dump_excl_wowlan;
887 		break;
888 	}
889 
890 	BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) !=
891 		     sizeof(mvm->fw->dump_excl_wowlan));
892 
893 	for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) {
894 		u32 start, end;
895 
896 		if (!excl[i].addr || !excl[i].size)
897 			continue;
898 
899 		start = excl[i].addr;
900 		end = start + excl[i].size;
901 
902 		if (end <= mem_addr || start >= mem_addr + buflen)
903 			continue;
904 
905 		if (start < mem_addr)
906 			start = mem_addr;
907 
908 		if (end > mem_addr + buflen)
909 			end = mem_addr + buflen;
910 
911 		memset((u8 *)mem + start - mem_addr, 0xAA, end - start);
912 	}
913 }
914 
915 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = {
916 	.frob_txf = iwl_mvm_frob_txf,
917 	.frob_hcmd = iwl_mvm_frob_hcmd,
918 	.frob_mem = iwl_mvm_frob_mem,
919 };
920 
921 static struct iwl_op_mode *
922 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
923 		      const struct iwl_fw *fw, struct dentry *dbgfs_dir)
924 {
925 	struct ieee80211_hw *hw;
926 	struct iwl_op_mode *op_mode;
927 	struct iwl_mvm *mvm;
928 	struct iwl_trans_config trans_cfg = {};
929 	static const u8 no_reclaim_cmds[] = {
930 		TX_CMD,
931 	};
932 	int err, scan_size;
933 	u32 min_backoff;
934 	enum iwl_amsdu_size rb_size_default;
935 
936 	/*
937 	 * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station
938 	 * index all over the driver - check that its value corresponds to the
939 	 * array size.
940 	 */
941 	BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) !=
942 		     IWL_MVM_STATION_COUNT_MAX);
943 
944 	/********************************
945 	 * 1. Allocating and configuring HW data
946 	 ********************************/
947 	hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
948 				sizeof(struct iwl_mvm),
949 				&iwl_mvm_hw_ops);
950 	if (!hw)
951 		return NULL;
952 
953 	hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
954 
955 	if (cfg->max_tx_agg_size)
956 		hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
957 	else
958 		hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
959 
960 	op_mode = hw->priv;
961 
962 	mvm = IWL_OP_MODE_GET_MVM(op_mode);
963 	mvm->dev = trans->dev;
964 	mvm->trans = trans;
965 	mvm->cfg = cfg;
966 	mvm->fw = fw;
967 	mvm->hw = hw;
968 
969 	iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
970 			    &iwl_mvm_sanitize_ops, mvm, dbgfs_dir);
971 
972 	iwl_mvm_get_acpi_tables(mvm);
973 
974 	mvm->init_status = 0;
975 
976 	if (iwl_mvm_has_new_rx_api(mvm)) {
977 		op_mode->ops = &iwl_mvm_ops_mq;
978 		trans->rx_mpdu_cmd_hdr_size =
979 			(trans->trans_cfg->device_family >=
980 			 IWL_DEVICE_FAMILY_AX210) ?
981 			sizeof(struct iwl_rx_mpdu_desc) :
982 			IWL_RX_DESC_SIZE_V1;
983 	} else {
984 		op_mode->ops = &iwl_mvm_ops;
985 		trans->rx_mpdu_cmd_hdr_size =
986 			sizeof(struct iwl_rx_mpdu_res_start);
987 
988 		if (WARN_ON(trans->num_rx_queues > 1))
989 			goto out_free;
990 	}
991 
992 	mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
993 
994 	if (iwl_mvm_has_new_tx_api(mvm)) {
995 		/*
996 		 * If we have the new TX/queue allocation API initialize them
997 		 * all to invalid numbers. We'll rewrite the ones that we need
998 		 * later, but that doesn't happen for all of them all of the
999 		 * time (e.g. P2P Device is optional), and if a dynamic queue
1000 		 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then
1001 		 * iwl_mvm_is_static_queue() erroneously returns true, and we
1002 		 * might have things getting stuck.
1003 		 */
1004 		mvm->aux_queue = IWL_MVM_INVALID_QUEUE;
1005 		mvm->snif_queue = IWL_MVM_INVALID_QUEUE;
1006 		mvm->probe_queue = IWL_MVM_INVALID_QUEUE;
1007 		mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE;
1008 	} else {
1009 		mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
1010 		mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
1011 		mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
1012 		mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
1013 	}
1014 
1015 	mvm->sf_state = SF_UNINIT;
1016 	if (iwl_mvm_has_unified_ucode(mvm))
1017 		iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
1018 	else
1019 		iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
1020 	mvm->drop_bcn_ap_mode = true;
1021 
1022 	mutex_init(&mvm->mutex);
1023 	spin_lock_init(&mvm->async_handlers_lock);
1024 	INIT_LIST_HEAD(&mvm->time_event_list);
1025 	INIT_LIST_HEAD(&mvm->aux_roc_te_list);
1026 	INIT_LIST_HEAD(&mvm->async_handlers_list);
1027 	spin_lock_init(&mvm->time_event_lock);
1028 	INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
1029 	INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list);
1030 	INIT_LIST_HEAD(&mvm->resp_pasn_list);
1031 
1032 	INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
1033 	INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
1034 	INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
1035 	INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
1036 	INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
1037 	INIT_LIST_HEAD(&mvm->add_stream_txqs);
1038 
1039 	init_waitqueue_head(&mvm->rx_sync_waitq);
1040 
1041 	mvm->queue_sync_state = 0;
1042 
1043 	SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
1044 
1045 	spin_lock_init(&mvm->tcm.lock);
1046 	INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
1047 	mvm->tcm.ts = jiffies;
1048 	mvm->tcm.ll_ts = jiffies;
1049 	mvm->tcm.uapsd_nonagg_ts = jiffies;
1050 
1051 	INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
1052 
1053 	mvm->cmd_ver.d0i3_resp =
1054 		iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, D0I3_END_CMD,
1055 					0);
1056 	/* we only support version 1 */
1057 	if (WARN_ON_ONCE(mvm->cmd_ver.d0i3_resp > 1))
1058 		goto out_free;
1059 
1060 	mvm->cmd_ver.range_resp =
1061 		iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP,
1062 					TOF_RANGE_RESPONSE_NOTIF, 5);
1063 	/* we only support up to version 9 */
1064 	if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9))
1065 		goto out_free;
1066 
1067 	/*
1068 	 * Populate the state variables that the transport layer needs
1069 	 * to know about.
1070 	 */
1071 	trans_cfg.op_mode = op_mode;
1072 	trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
1073 	trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
1074 
1075 	if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
1076 		rb_size_default = IWL_AMSDU_2K;
1077 	else
1078 		rb_size_default = IWL_AMSDU_4K;
1079 
1080 	switch (iwlwifi_mod_params.amsdu_size) {
1081 	case IWL_AMSDU_DEF:
1082 		trans_cfg.rx_buf_size = rb_size_default;
1083 		break;
1084 	case IWL_AMSDU_4K:
1085 		trans_cfg.rx_buf_size = IWL_AMSDU_4K;
1086 		break;
1087 	case IWL_AMSDU_8K:
1088 		trans_cfg.rx_buf_size = IWL_AMSDU_8K;
1089 		break;
1090 	case IWL_AMSDU_12K:
1091 		trans_cfg.rx_buf_size = IWL_AMSDU_12K;
1092 		break;
1093 	default:
1094 		pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
1095 		       iwlwifi_mod_params.amsdu_size);
1096 		trans_cfg.rx_buf_size = rb_size_default;
1097 	}
1098 
1099 	trans->wide_cmd_header = true;
1100 	trans_cfg.bc_table_dword =
1101 		mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;
1102 
1103 	trans_cfg.command_groups = iwl_mvm_groups;
1104 	trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
1105 
1106 	trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
1107 	trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
1108 	trans_cfg.scd_set_active = true;
1109 
1110 	trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
1111 					  driver_data[2]);
1112 
1113 	/* Set a short watchdog for the command queue */
1114 	trans_cfg.cmd_q_wdg_timeout =
1115 		iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
1116 
1117 	snprintf(mvm->hw->wiphy->fw_version,
1118 		 sizeof(mvm->hw->wiphy->fw_version),
1119 		 "%s", fw->fw_version);
1120 
1121 	trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa,
1122 						   IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);
1123 
1124 	/* Configure transport layer */
1125 	iwl_trans_configure(mvm->trans, &trans_cfg);
1126 
1127 	trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
1128 	trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
1129 	trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
1130 	memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv,
1131 	       sizeof(trans->dbg.conf_tlv));
1132 	trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv;
1133 
1134 	trans->iml = mvm->fw->iml;
1135 	trans->iml_len = mvm->fw->iml_len;
1136 
1137 	/* set up notification wait support */
1138 	iwl_notification_wait_init(&mvm->notif_wait);
1139 
1140 	/* Init phy db */
1141 	mvm->phy_db = iwl_phy_db_init(trans);
1142 	if (!mvm->phy_db) {
1143 		IWL_ERR(mvm, "Cannot init phy_db\n");
1144 		goto out_free;
1145 	}
1146 
1147 	IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
1148 		 mvm->trans->name, mvm->trans->hw_rev);
1149 
1150 	if (iwlwifi_mod_params.nvm_file)
1151 		mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
1152 	else
1153 		IWL_DEBUG_EEPROM(mvm->trans->dev,
1154 				 "working without external nvm file\n");
1155 
1156 	err = iwl_trans_start_hw(mvm->trans);
1157 	if (err)
1158 		goto out_free;
1159 
1160 	scan_size = iwl_mvm_scan_size(mvm);
1161 
1162 	mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
1163 	if (!mvm->scan_cmd)
1164 		goto out_free;
1165 
1166 	/* invalidate ids to prevent accidental removal of sta_id 0 */
1167 	mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA;
1168 	mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA;
1169 
1170 	/* Set EBS as successful as long as not stated otherwise by the FW. */
1171 	mvm->last_ebs_successful = true;
1172 
1173 	min_backoff = iwl_mvm_min_backoff(mvm);
1174 	iwl_mvm_thermal_initialize(mvm, min_backoff);
1175 
1176 	if (!iwl_mvm_has_new_rx_stats_api(mvm))
1177 		memset(&mvm->rx_stats_v3, 0,
1178 		       sizeof(struct mvm_statistics_rx_v3));
1179 	else
1180 		memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
1181 
1182 	mvm->debugfs_dir = dbgfs_dir;
1183 
1184 	if (iwl_mvm_start_get_nvm(mvm))
1185 		goto out_thermal_exit;
1186 
1187 	if (iwl_mvm_start_post_nvm(mvm))
1188 		goto out_thermal_exit;
1189 
1190 	return op_mode;
1191 
1192  out_thermal_exit:
1193 	iwl_mvm_thermal_exit(mvm);
1194  out_free:
1195 	iwl_fw_flush_dumps(&mvm->fwrt);
1196 	iwl_fw_runtime_free(&mvm->fwrt);
1197 
1198 	if (iwlmvm_mod_params.init_dbg)
1199 		return op_mode;
1200 	iwl_phy_db_free(mvm->phy_db);
1201 	kfree(mvm->scan_cmd);
1202 	iwl_trans_op_mode_leave(trans);
1203 
1204 	ieee80211_free_hw(mvm->hw);
1205 	return NULL;
1206 }
1207 
1208 void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1209 {
1210 	lockdep_assert_held(&mvm->mutex);
1211 
1212 	iwl_fw_cancel_timestamp(&mvm->fwrt);
1213 
1214 	clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1215 
1216 	iwl_fw_dbg_stop_sync(&mvm->fwrt);
1217 	iwl_trans_stop_device(mvm->trans);
1218 	iwl_free_fw_paging(&mvm->fwrt);
1219 	iwl_fw_dump_conf_clear(&mvm->fwrt);
1220 }
1221 
1222 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
1223 {
1224 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1225 	int i;
1226 
1227 	iwl_mvm_leds_exit(mvm);
1228 
1229 	iwl_mvm_thermal_exit(mvm);
1230 
1231 	ieee80211_unregister_hw(mvm->hw);
1232 
1233 	kfree(mvm->scan_cmd);
1234 	kfree(mvm->mcast_filter_cmd);
1235 	mvm->mcast_filter_cmd = NULL;
1236 
1237 	kfree(mvm->error_recovery_buf);
1238 	mvm->error_recovery_buf = NULL;
1239 
1240 	iwl_trans_op_mode_leave(mvm->trans);
1241 
1242 	iwl_phy_db_free(mvm->phy_db);
1243 	mvm->phy_db = NULL;
1244 
1245 	kfree(mvm->nvm_data);
1246 	for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
1247 		kfree(mvm->nvm_sections[i].data);
1248 
1249 	cancel_delayed_work_sync(&mvm->tcm.work);
1250 
1251 	iwl_fw_runtime_free(&mvm->fwrt);
1252 	mutex_destroy(&mvm->mutex);
1253 
1254 	ieee80211_free_hw(mvm->hw);
1255 }
1256 
1257 struct iwl_async_handler_entry {
1258 	struct list_head list;
1259 	struct iwl_rx_cmd_buffer rxb;
1260 	enum iwl_rx_handler_context context;
1261 	void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1262 };
1263 
1264 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
1265 {
1266 	struct iwl_async_handler_entry *entry, *tmp;
1267 
1268 	spin_lock_bh(&mvm->async_handlers_lock);
1269 	list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1270 		iwl_free_rxb(&entry->rxb);
1271 		list_del(&entry->list);
1272 		kfree(entry);
1273 	}
1274 	spin_unlock_bh(&mvm->async_handlers_lock);
1275 }
1276 
1277 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
1278 {
1279 	struct iwl_mvm *mvm =
1280 		container_of(wk, struct iwl_mvm, async_handlers_wk);
1281 	struct iwl_async_handler_entry *entry, *tmp;
1282 	LIST_HEAD(local_list);
1283 
1284 	/* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
1285 
1286 	/*
1287 	 * Sync with Rx path with a lock. Remove all the entries from this list,
1288 	 * add them to a local one (lock free), and then handle them.
1289 	 */
1290 	spin_lock_bh(&mvm->async_handlers_lock);
1291 	list_splice_init(&mvm->async_handlers_list, &local_list);
1292 	spin_unlock_bh(&mvm->async_handlers_lock);
1293 
1294 	list_for_each_entry_safe(entry, tmp, &local_list, list) {
1295 		if (entry->context == RX_HANDLER_ASYNC_LOCKED)
1296 			mutex_lock(&mvm->mutex);
1297 		entry->fn(mvm, &entry->rxb);
1298 		iwl_free_rxb(&entry->rxb);
1299 		list_del(&entry->list);
1300 		if (entry->context == RX_HANDLER_ASYNC_LOCKED)
1301 			mutex_unlock(&mvm->mutex);
1302 		kfree(entry);
1303 	}
1304 }
1305 
1306 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
1307 					    struct iwl_rx_packet *pkt)
1308 {
1309 	struct iwl_fw_dbg_trigger_tlv *trig;
1310 	struct iwl_fw_dbg_trigger_cmd *cmds_trig;
1311 	int i;
1312 
1313 	trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
1314 				     FW_DBG_TRIGGER_FW_NOTIF);
1315 	if (!trig)
1316 		return;
1317 
1318 	cmds_trig = (void *)trig->data;
1319 
1320 	for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
1321 		/* don't collect on CMD 0 */
1322 		if (!cmds_trig->cmds[i].cmd_id)
1323 			break;
1324 
1325 		if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
1326 		    cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
1327 			continue;
1328 
1329 		iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
1330 					"CMD 0x%02x.%02x received",
1331 					pkt->hdr.group_id, pkt->hdr.cmd);
1332 		break;
1333 	}
1334 }
1335 
1336 static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
1337 			      struct iwl_rx_cmd_buffer *rxb,
1338 			      struct iwl_rx_packet *pkt)
1339 {
1340 	unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
1341 	int i;
1342 	union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
1343 
1344 	iwl_dbg_tlv_time_point(&mvm->fwrt,
1345 			       IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
1346 	iwl_mvm_rx_check_trigger(mvm, pkt);
1347 
1348 	/*
1349 	 * Do the notification wait before RX handlers so
1350 	 * even if the RX handler consumes the RXB we have
1351 	 * access to it in the notification wait entry.
1352 	 */
1353 	iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1354 
1355 	for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1356 		const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1357 		struct iwl_async_handler_entry *entry;
1358 
1359 		if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1360 			continue;
1361 
1362 		if (unlikely(pkt_len < rx_h->min_size))
1363 			return;
1364 
1365 		if (rx_h->context == RX_HANDLER_SYNC) {
1366 			rx_h->fn(mvm, rxb);
1367 			return;
1368 		}
1369 
1370 		entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1371 		/* we can't do much... */
1372 		if (!entry)
1373 			return;
1374 
1375 		entry->rxb._page = rxb_steal_page(rxb);
1376 		entry->rxb._offset = rxb->_offset;
1377 		entry->rxb._rx_page_order = rxb->_rx_page_order;
1378 		entry->fn = rx_h->fn;
1379 		entry->context = rx_h->context;
1380 		spin_lock(&mvm->async_handlers_lock);
1381 		list_add_tail(&entry->list, &mvm->async_handlers_list);
1382 		spin_unlock(&mvm->async_handlers_lock);
1383 		schedule_work(&mvm->async_handlers_wk);
1384 		break;
1385 	}
1386 }
1387 
1388 static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1389 		       struct napi_struct *napi,
1390 		       struct iwl_rx_cmd_buffer *rxb)
1391 {
1392 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
1393 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1394 	u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1395 
1396 	if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1397 		iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1398 	else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1399 		iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1400 	else
1401 		iwl_mvm_rx_common(mvm, rxb, pkt);
1402 }
1403 
1404 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1405 		   struct napi_struct *napi,
1406 		   struct iwl_rx_cmd_buffer *rxb)
1407 {
1408 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
1409 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1410 	u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1411 
1412 	if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1413 		iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1414 	else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1415 					 RX_QUEUES_NOTIFICATION)))
1416 		iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
1417 	else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1418 		iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1419 	else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1420 		iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
1421 	else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1422 		iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1423 	else
1424 		iwl_mvm_rx_common(mvm, rxb, pkt);
1425 }
1426 
1427 static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
1428 			     const struct iwl_device_cmd *cmd)
1429 {
1430 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1431 
1432 	/*
1433 	 * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
1434 	 * commands that need to block the Tx queues.
1435 	 */
1436 	iwl_trans_block_txq_ptrs(mvm->trans, false);
1437 }
1438 
1439 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1440 {
1441 	return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1442 		queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1443 }
1444 
1445 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1446 				       int hw_queue, bool start)
1447 {
1448 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1449 	struct ieee80211_sta *sta;
1450 	struct ieee80211_txq *txq;
1451 	struct iwl_mvm_txq *mvmtxq;
1452 	int i;
1453 	unsigned long tid_bitmap;
1454 	struct iwl_mvm_sta *mvmsta;
1455 	u8 sta_id;
1456 
1457 	sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1458 		mvm->tvqm_info[hw_queue].sta_id :
1459 		mvm->queue_info[hw_queue].ra_sta_id;
1460 
1461 	if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations))
1462 		return;
1463 
1464 	rcu_read_lock();
1465 
1466 	sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1467 	if (IS_ERR_OR_NULL(sta))
1468 		goto out;
1469 	mvmsta = iwl_mvm_sta_from_mac80211(sta);
1470 
1471 	if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1472 		if (!start)
1473 			ieee80211_stop_queues(mvm->hw);
1474 		else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1475 			ieee80211_wake_queues(mvm->hw);
1476 
1477 		goto out;
1478 	}
1479 
1480 	if (iwl_mvm_has_new_tx_api(mvm)) {
1481 		int tid = mvm->tvqm_info[hw_queue].txq_tid;
1482 
1483 		tid_bitmap = BIT(tid);
1484 	} else {
1485 		tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1486 	}
1487 
1488 	for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1489 		int tid = i;
1490 
1491 		if (tid == IWL_MAX_TID_COUNT)
1492 			tid = IEEE80211_NUM_TIDS;
1493 
1494 		txq = sta->txq[tid];
1495 		mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1496 		mvmtxq->stopped = !start;
1497 
1498 		if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1499 			iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1500 	}
1501 
1502 out:
1503 	rcu_read_unlock();
1504 }
1505 
1506 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1507 {
1508 	iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1509 }
1510 
1511 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1512 {
1513 	iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1514 }
1515 
1516 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1517 {
1518 	bool state = iwl_mvm_is_radio_killed(mvm);
1519 
1520 	if (state)
1521 		wake_up(&mvm->rx_sync_waitq);
1522 
1523 	wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
1524 }
1525 
1526 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1527 {
1528 	if (state)
1529 		set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1530 	else
1531 		clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1532 
1533 	iwl_mvm_set_rfkill_state(mvm);
1534 }
1535 
1536 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1537 {
1538 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1539 	bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1540 	bool unified = iwl_mvm_has_unified_ucode(mvm);
1541 
1542 	if (state)
1543 		set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1544 	else
1545 		clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1546 
1547 	iwl_mvm_set_rfkill_state(mvm);
1548 
1549 	 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */
1550 	if (rfkill_safe_init_done)
1551 		iwl_abort_notification_waits(&mvm->notif_wait);
1552 
1553 	/*
1554 	 * Don't ask the transport to stop the firmware. We'll do it
1555 	 * after cfg80211 takes us down.
1556 	 */
1557 	if (unified)
1558 		return false;
1559 
1560 	/*
1561 	 * Stop the device if we run OPERATIONAL firmware or if we are in the
1562 	 * middle of the calibrations.
1563 	 */
1564 	return state && rfkill_safe_init_done;
1565 }
1566 
1567 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1568 {
1569 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1570 	struct ieee80211_tx_info *info;
1571 
1572 	info = IEEE80211_SKB_CB(skb);
1573 	iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1574 	ieee80211_free_txskb(mvm->hw, skb);
1575 }
1576 
1577 struct iwl_mvm_reprobe {
1578 	struct device *dev;
1579 	struct work_struct work;
1580 };
1581 
1582 static void iwl_mvm_reprobe_wk(struct work_struct *wk)
1583 {
1584 	struct iwl_mvm_reprobe *reprobe;
1585 
1586 	reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
1587 	if (device_reprobe(reprobe->dev))
1588 		dev_err(reprobe->dev, "reprobe failed!\n");
1589 	put_device(reprobe->dev);
1590 	kfree(reprobe);
1591 	module_put(THIS_MODULE);
1592 }
1593 
1594 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
1595 {
1596 	iwl_abort_notification_waits(&mvm->notif_wait);
1597 	iwl_dbg_tlv_del_timers(mvm->trans);
1598 
1599 	/*
1600 	 * This is a bit racy, but worst case we tell mac80211 about
1601 	 * a stopped/aborted scan when that was already done which
1602 	 * is not a problem. It is necessary to abort any os scan
1603 	 * here because mac80211 requires having the scan cleared
1604 	 * before restarting.
1605 	 * We'll reset the scan_status to NONE in restart cleanup in
1606 	 * the next start() call from mac80211. If restart isn't called
1607 	 * (no fw restart) scan status will stay busy.
1608 	 */
1609 	iwl_mvm_report_scan_aborted(mvm);
1610 
1611 	/*
1612 	 * If we're restarting already, don't cycle restarts.
1613 	 * If INIT fw asserted, it will likely fail again.
1614 	 * If WoWLAN fw asserted, don't restart either, mac80211
1615 	 * can't recover this since we're already half suspended.
1616 	 */
1617 	if (!mvm->fw_restart && fw_error) {
1618 		iwl_fw_error_collect(&mvm->fwrt, false);
1619 	} else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1620 		struct iwl_mvm_reprobe *reprobe;
1621 
1622 		IWL_ERR(mvm,
1623 			"Firmware error during reconfiguration - reprobe!\n");
1624 
1625 		/*
1626 		 * get a module reference to avoid doing this while unloading
1627 		 * anyway and to avoid scheduling a work with code that's
1628 		 * being removed.
1629 		 */
1630 		if (!try_module_get(THIS_MODULE)) {
1631 			IWL_ERR(mvm, "Module is being unloaded - abort\n");
1632 			return;
1633 		}
1634 
1635 		reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
1636 		if (!reprobe) {
1637 			module_put(THIS_MODULE);
1638 			return;
1639 		}
1640 		reprobe->dev = get_device(mvm->trans->dev);
1641 		INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
1642 		schedule_work(&reprobe->work);
1643 	} else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1644 			    &mvm->status)) {
1645 		IWL_ERR(mvm, "HW restart already requested, but not started\n");
1646 	} else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
1647 		   mvm->hw_registered &&
1648 		   !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
1649 		/* This should be first thing before trying to collect any
1650 		 * data to avoid endless loops if any HW error happens while
1651 		 * collecting debug data.
1652 		 */
1653 		set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1654 
1655 		if (mvm->fw->ucode_capa.error_log_size) {
1656 			u32 src_size = mvm->fw->ucode_capa.error_log_size;
1657 			u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
1658 			u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
1659 
1660 			if (recover_buf) {
1661 				mvm->error_recovery_buf = recover_buf;
1662 				iwl_trans_read_mem_bytes(mvm->trans,
1663 							 src_addr,
1664 							 recover_buf,
1665 							 src_size);
1666 			}
1667 		}
1668 
1669 		iwl_fw_error_collect(&mvm->fwrt, false);
1670 
1671 		if (fw_error && mvm->fw_restart > 0)
1672 			mvm->fw_restart--;
1673 		ieee80211_restart_hw(mvm->hw);
1674 	}
1675 }
1676 
1677 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync)
1678 {
1679 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1680 
1681 	if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status))
1682 		iwl_mvm_dump_nic_error_log(mvm);
1683 
1684 	if (sync) {
1685 		iwl_fw_error_collect(&mvm->fwrt, true);
1686 		/*
1687 		 * Currently, the only case for sync=true is during
1688 		 * shutdown, so just stop in this case. If/when that
1689 		 * changes, we need to be a bit smarter here.
1690 		 */
1691 		return;
1692 	}
1693 
1694 	/*
1695 	 * If the firmware crashes while we're already considering it
1696 	 * to be dead then don't ask for a restart, that cannot do
1697 	 * anything useful anyway.
1698 	 */
1699 	if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status))
1700 		return;
1701 
1702 	iwl_mvm_nic_restart(mvm, true);
1703 }
1704 
1705 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
1706 {
1707 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1708 
1709 	WARN_ON(1);
1710 	iwl_mvm_nic_restart(mvm, true);
1711 }
1712 
1713 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode,
1714 				       enum iwl_fw_ini_time_point tp_id,
1715 				       union iwl_dbg_tlv_tp_data *tp_data)
1716 {
1717 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1718 
1719 	iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data);
1720 }
1721 
1722 #define IWL_MVM_COMMON_OPS					\
1723 	/* these could be differentiated */			\
1724 	.async_cb = iwl_mvm_async_cb,				\
1725 	.queue_full = iwl_mvm_stop_sw_queue,			\
1726 	.queue_not_full = iwl_mvm_wake_sw_queue,		\
1727 	.hw_rf_kill = iwl_mvm_set_hw_rfkill_state,		\
1728 	.free_skb = iwl_mvm_free_skb,				\
1729 	.nic_error = iwl_mvm_nic_error,				\
1730 	.cmd_queue_full = iwl_mvm_cmd_queue_full,		\
1731 	.nic_config = iwl_mvm_nic_config,			\
1732 	/* as we only register one, these MUST be common! */	\
1733 	.start = iwl_op_mode_mvm_start,				\
1734 	.stop = iwl_op_mode_mvm_stop,				\
1735 	.time_point = iwl_op_mode_mvm_time_point
1736 
1737 static const struct iwl_op_mode_ops iwl_mvm_ops = {
1738 	IWL_MVM_COMMON_OPS,
1739 	.rx = iwl_mvm_rx,
1740 };
1741 
1742 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
1743 			      struct napi_struct *napi,
1744 			      struct iwl_rx_cmd_buffer *rxb,
1745 			      unsigned int queue)
1746 {
1747 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1748 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
1749 	u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1750 
1751 	if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
1752 		iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
1753 	else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1754 					 RX_QUEUES_NOTIFICATION)))
1755 		iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
1756 	else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1757 		iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
1758 }
1759 
1760 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
1761 	IWL_MVM_COMMON_OPS,
1762 	.rx = iwl_mvm_rx_mq,
1763 	.rx_rss = iwl_mvm_rx_mq_rss,
1764 };
1765