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