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module: Convert symbol namespace to string literal
[linux.git] / drivers / net / wireless / intel / iwlwifi / mvm / ops.c
blob30fcc733395eb3e6fe3613884002416d861f952f
1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3 * Copyright (C) 2012-2014, 2018-2024 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/rtnetlink.h>
9 #include <linux/vmalloc.h>
10 #include <net/mac80211.h>
11
12 #include "fw/notif-wait.h"
13 #include "iwl-trans.h"
14 #include "iwl-op-mode.h"
15 #include "fw/img.h"
16 #include "iwl-debug.h"
17 #include "iwl-drv.h"
18 #include "iwl-modparams.h"
19 #include "mvm.h"
20 #include "iwl-phy-db.h"
21 #include "iwl-nvm-utils.h"
22 #include "iwl-csr.h"
23 #include "iwl-io.h"
24 #include "iwl-prph.h"
25 #include "rs.h"
26 #include "fw/api/scan.h"
27 #include "fw/api/rfi.h"
28 #include "time-event.h"
29 #include "fw-api.h"
30 #include "fw/acpi.h"
31 #include "fw/uefi.h"
32 #include "time-sync.h"
33
34 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
35 MODULE_DESCRIPTION(DRV_DESCRIPTION);
36 MODULE_LICENSE("GPL");
37 MODULE_IMPORT_NS("IWLWIFI");
38
39 static const struct iwl_op_mode_ops iwl_mvm_ops;
40 static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
41
42 struct iwl_mvm_mod_params iwlmvm_mod_params = {
43 .power_scheme = IWL_POWER_SCHEME_BPS,
44 };
45
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 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
82 u32 reg_val;
83 u32 phy_config = iwl_mvm_get_phy_config(mvm);
84
85 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
86 FW_PHY_CFG_RADIO_TYPE_POS;
87 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
88 FW_PHY_CFG_RADIO_STEP_POS;
89 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
90 FW_PHY_CFG_RADIO_DASH_POS;
91
92 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
93 radio_cfg_step, radio_cfg_dash);
94
95 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
96 return;
97
98 /* SKU control */
99 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->hw_rev);
100
101 /* radio configuration */
102 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
103 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
104 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
105
106 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
107 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
108
109 /*
110 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
111 * sampling, and shouldn't be set to any non-zero value.
112 * The same is supposed to be true of the other HW, but unsetting
113 * them (such as the 7260) causes automatic tests to fail on seemingly
114 * unrelated errors. Need to further investigate this, but for now
115 * we'll separate cases.
116 */
117 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000)
118 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
119
120 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt))
121 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
122
123 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
124 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH |
125 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
126 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
127 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
128 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
129 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI |
130 CSR_HW_IF_CONFIG_REG_D3_DEBUG,
131 reg_val);
132
133 /*
134 * W/A : NIC is stuck in a reset state after Early PCIe power off
135 * (PCIe power is lost before PERST# is asserted), causing ME FW
136 * to lose ownership and not being able to obtain it back.
137 */
138 if (!mvm->trans->cfg->apmg_not_supported)
139 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
140 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
141 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
142 }
143
144 static void iwl_mvm_rx_esr_mode_notif(struct iwl_mvm *mvm,
145 struct iwl_rx_cmd_buffer *rxb)
146 {
147 struct iwl_rx_packet *pkt = rxb_addr(rxb);
148 struct iwl_mvm_esr_mode_notif *notif = (void *)pkt->data;
149 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm);
150
151 /* FW recommendations is only for entering EMLSR */
152 if (IS_ERR_OR_NULL(vif) || iwl_mvm_vif_from_mac80211(vif)->esr_active)
153 return;
154
155 if (le32_to_cpu(notif->action) == ESR_RECOMMEND_ENTER)
156 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW);
157 else
158 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW,
159 iwl_mvm_get_primary_link(vif));
160 }
161
162 static void iwl_mvm_rx_esr_trans_fail_notif(struct iwl_mvm *mvm,
163 struct iwl_rx_cmd_buffer *rxb)
164 {
165 struct iwl_rx_packet *pkt = rxb_addr(rxb);
166 struct iwl_esr_trans_fail_notif *notif = (void *)pkt->data;
167 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm);
168 u8 fw_link_id = le32_to_cpu(notif->link_id);
169 struct ieee80211_bss_conf *bss_conf;
170
171 if (IS_ERR_OR_NULL(vif))
172 return;
173
174 IWL_DEBUG_INFO(mvm, "Failed to %s eSR on link %d, reason %d\n",
175 le32_to_cpu(notif->activation) ? "enter" : "exit",
176 le32_to_cpu(notif->link_id),
177 le32_to_cpu(notif->err_code));
178
179 /* we couldn't go back to single link, disconnect */
180 if (!le32_to_cpu(notif->activation)) {
181 iwl_mvm_connection_loss(mvm, vif, "emlsr exit failed");
182 return;
183 }
184
185 bss_conf = iwl_mvm_rcu_fw_link_id_to_link_conf(mvm, fw_link_id, false);
186 if (IWL_FW_CHECK(mvm, !bss_conf,
187 "FW reported failure to activate EMLSR on a non-existing link: %d\n",
188 fw_link_id))
189 return;
190
191 /*
192 * We failed to activate the second link and enter EMLSR, we need to go
193 * back to single link.
194 */
195 iwl_mvm_exit_esr(mvm, vif, IWL_MVM_ESR_EXIT_FAIL_ENTRY,
196 bss_conf->link_id);
197 }
198
199 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm,
200 struct iwl_rx_cmd_buffer *rxb)
201 {
202 struct iwl_rx_packet *pkt = rxb_addr(rxb);
203 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data;
204 struct ieee80211_supported_band *sband;
205 const struct ieee80211_sta_he_cap *he_cap;
206 struct ieee80211_vif *vif;
207
208 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA))
209 return;
210
211 vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id);
212 if (!vif || vif->type != NL80211_IFTYPE_STATION)
213 return;
214
215 if (!vif->bss_conf.chanreq.oper.chan ||
216 vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ ||
217 vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40)
218 return;
219
220 if (!vif->cfg.assoc)
221 return;
222
223 /* this shouldn't happen *again*, ignore it */
224 if (mvm->cca_40mhz_workaround)
225 return;
226
227 /*
228 * We'll decrement this on disconnect - so set to 2 since we'll
229 * still have to disconnect from the current AP first.
230 */
231 mvm->cca_40mhz_workaround = 2;
232
233 /*
234 * This capability manipulation isn't really ideal, but it's the
235 * easiest choice - otherwise we'd have to do some major changes
236 * in mac80211 to support this, which isn't worth it. This does
237 * mean that userspace may have outdated information, but that's
238 * actually not an issue at all.
239 */
240 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
241
242 WARN_ON(!sband->ht_cap.ht_supported);
243 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40));
244 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
245
246 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif);
247
248 if (he_cap) {
249 /* we know that ours is writable */
250 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap;
251
252 WARN_ON(!he->has_he);
253 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] &
254 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G));
255 he->he_cap_elem.phy_cap_info[0] &=
256 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
257 }
258
259 ieee80211_disconnect(vif, true);
260 }
261
262 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif,
263 struct ieee80211_bss_conf *link_conf)
264 {
265 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
266 struct iwl_mvm *mvm = mvmvif->mvm;
267 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC;
268
269 if (!link_conf)
270 return;
271
272 if (mvm->fw_static_smps_request &&
273 link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 &&
274 link_conf->he_support)
275 mode = IEEE80211_SMPS_STATIC;
276
277 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode,
278 link_conf->link_id);
279 }
280
281 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac,
282 struct ieee80211_vif *vif)
283 {
284 struct ieee80211_bss_conf *link_conf;
285 unsigned int link_id;
286
287 rcu_read_lock();
288
289 for_each_vif_active_link(vif, link_conf, link_id)
290 iwl_mvm_update_link_smps(vif, link_conf);
291
292 rcu_read_unlock();
293 }
294
295 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm,
296 struct iwl_rx_cmd_buffer *rxb)
297 {
298 struct iwl_rx_packet *pkt = rxb_addr(rxb);
299 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data;
300
301 /* firmware is expected to handle that in RLC offload mode */
302 if (IWL_FW_CHECK(mvm, iwl_mvm_has_rlc_offload(mvm),
303 "Got THERMAL_DUAL_CHAIN_REQUEST (0x%x) in RLC offload mode\n",
304 req->event))
305 return;
306
307 /*
308 * We could pass it to the iterator data, but also need to remember
309 * it for new interfaces that are added while in this state.
310 */
311 mvm->fw_static_smps_request =
312 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE);
313 ieee80211_iterate_interfaces(mvm->hw,
314 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER,
315 iwl_mvm_intf_dual_chain_req, NULL);
316 }
317
318 /**
319 * enum iwl_rx_handler_context: context for Rx handler
320 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
321 * which can't acquire mvm->mutex.
322 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
323 * (and only in this case!), it should be set as ASYNC. In that case,
324 * it will be called from a worker with mvm->mutex held.
325 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
326 * mutex itself, it will be called from a worker without mvm->mutex held.
327 * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock
328 * and mvm->mutex. Will be handled with the wiphy_work queue infra
329 * instead of regular work queue.
330 */
331 enum iwl_rx_handler_context {
332 RX_HANDLER_SYNC,
333 RX_HANDLER_ASYNC_LOCKED,
334 RX_HANDLER_ASYNC_UNLOCKED,
335 RX_HANDLER_ASYNC_LOCKED_WIPHY,
336 };
337
338 /**
339 * struct iwl_rx_handlers: handler for FW notification
340 * @cmd_id: command id
341 * @min_size: minimum size to expect for the notification
342 * @context: see &iwl_rx_handler_context
343 * @fn: the function is called when notification is received
344 */
345 struct iwl_rx_handlers {
346 u16 cmd_id, min_size;
347 enum iwl_rx_handler_context context;
348 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
349 };
350
351 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \
352 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, }
353 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \
354 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, }
355 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \
356 { .cmd_id = _cmd_id, .fn = _fn, \
357 .context = _context, .min_size = sizeof(_struct), }
358 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \
359 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \
360 .context = _context, .min_size = sizeof(_struct), }
361
362 /*
363 * Handlers for fw notifications
364 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
365 * This list should be in order of frequency for performance purposes.
366 *
367 * The handler can be one from three contexts, see &iwl_rx_handler_context
368 */
369 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
370 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC,
371 struct iwl_tx_resp),
372 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC,
373 struct iwl_mvm_ba_notif),
374
375 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
376 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC,
377 struct iwl_tlc_update_notif),
378
379 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_old_notif,
380 RX_HANDLER_ASYNC_LOCKED_WIPHY,
381 struct iwl_bt_coex_prof_old_notif),
382 RX_HANDLER_GRP(BT_COEX_GROUP, PROFILE_NOTIF, iwl_mvm_rx_bt_coex_notif,
383 RX_HANDLER_ASYNC_LOCKED_WIPHY,
384 struct iwl_bt_coex_profile_notif),
385 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
386 RX_HANDLER_ASYNC_LOCKED),
387 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
388 RX_HANDLER_ASYNC_LOCKED),
389
390 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF,
391 iwl_mvm_handle_rx_system_oper_stats,
392 RX_HANDLER_ASYNC_LOCKED_WIPHY,
393 struct iwl_system_statistics_notif_oper),
394 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF,
395 iwl_mvm_handle_rx_system_oper_part1_stats,
396 RX_HANDLER_ASYNC_LOCKED,
397 struct iwl_system_statistics_part1_notif_oper),
398 RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF,
399 iwl_mvm_handle_rx_system_end_stats_notif,
400 RX_HANDLER_ASYNC_LOCKED,
401 struct iwl_system_statistics_end_notif),
402
403 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
404 iwl_mvm_window_status_notif, RX_HANDLER_SYNC,
405 struct iwl_ba_window_status_notif),
406
407 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
408 RX_HANDLER_SYNC, struct iwl_time_event_notif),
409 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
410 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC,
411 struct iwl_mvm_session_prot_notif),
412 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
413 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif),
414
415 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC,
416 struct iwl_mvm_eosp_notification),
417
418 RX_HANDLER(SCAN_ITERATION_COMPLETE,
419 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC,
420 struct iwl_lmac_scan_complete_notif),
421 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
422 iwl_mvm_rx_lmac_scan_complete_notif,
423 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete),
424 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION,
425 iwl_mvm_rx_scan_match_found,
426 RX_HANDLER_SYNC),
427 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
428 RX_HANDLER_ASYNC_LOCKED,
429 struct iwl_umac_scan_complete),
430 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
431 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC,
432 struct iwl_umac_scan_iter_complete_notif),
433
434 RX_HANDLER(MISSED_BEACONS_NOTIFICATION,
435 iwl_mvm_rx_missed_beacons_notif_legacy,
436 RX_HANDLER_ASYNC_LOCKED_WIPHY,
437 struct iwl_missed_beacons_notif_v4),
438
439 RX_HANDLER_GRP(MAC_CONF_GROUP, MISSED_BEACONS_NOTIF,
440 iwl_mvm_rx_missed_beacons_notif,
441 RX_HANDLER_ASYNC_LOCKED_WIPHY,
442 struct iwl_missed_beacons_notif),
443 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC,
444 struct iwl_error_resp),
445 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
446 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC,
447 struct iwl_uapsd_misbehaving_ap_notif),
448 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
449 RX_HANDLER_ASYNC_LOCKED),
450 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
451 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
452 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
453 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC,
454 struct ct_kill_notif),
455
456 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
457 RX_HANDLER_ASYNC_LOCKED,
458 struct iwl_tdls_channel_switch_notif),
459 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
460 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1),
461 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
462 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED,
463 struct iwl_ftm_responder_stats),
464
465 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
466 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
467 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF,
468 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
469
470 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
471 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC,
472 struct iwl_mfu_assert_dump_notif),
473 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
474 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC,
475 struct iwl_stored_beacon_notif_v2),
476 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
477 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC,
478 struct iwl_mu_group_mgmt_notif),
479 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
480 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC,
481 struct iwl_mvm_pm_state_notification),
482 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF,
483 iwl_mvm_probe_resp_data_notif,
484 RX_HANDLER_ASYNC_LOCKED,
485 struct iwl_probe_resp_data_notif),
486 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF,
487 iwl_mvm_channel_switch_start_notif,
488 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif),
489 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF,
490 iwl_mvm_channel_switch_error_notif,
491 RX_HANDLER_ASYNC_UNLOCKED,
492 struct iwl_channel_switch_error_notif),
493
494 RX_HANDLER_GRP(DATA_PATH_GROUP, ESR_MODE_NOTIF,
495 iwl_mvm_rx_esr_mode_notif,
496 RX_HANDLER_ASYNC_LOCKED_WIPHY,
497 struct iwl_mvm_esr_mode_notif),
498
499 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF,
500 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED,
501 struct iwl_datapath_monitor_notif),
502
503 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST,
504 iwl_mvm_rx_thermal_dual_chain_req,
505 RX_HANDLER_ASYNC_LOCKED,
506 struct iwl_thermal_dual_chain_request),
507
508 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF,
509 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED,
510 struct iwl_rfi_deactivate_notif),
511
512 RX_HANDLER_GRP(LEGACY_GROUP,
513 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION,
514 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC,
515 struct iwl_time_msmt_notify),
516 RX_HANDLER_GRP(LEGACY_GROUP,
517 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION,
518 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC,
519 struct iwl_time_msmt_cfm_notify),
520 RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF,
521 iwl_mvm_rx_roc_notif, RX_HANDLER_ASYNC_LOCKED,
522 struct iwl_roc_notif),
523 RX_HANDLER_GRP(SCAN_GROUP, CHANNEL_SURVEY_NOTIF,
524 iwl_mvm_rx_channel_survey_notif, RX_HANDLER_ASYNC_LOCKED,
525 struct iwl_umac_scan_channel_survey_notif),
526 RX_HANDLER_GRP(MAC_CONF_GROUP, EMLSR_TRANS_FAIL_NOTIF,
527 iwl_mvm_rx_esr_trans_fail_notif,
528 RX_HANDLER_ASYNC_LOCKED_WIPHY,
529 struct iwl_esr_trans_fail_notif),
530 };
531 #undef RX_HANDLER
532 #undef RX_HANDLER_GRP
533
534 /* Please keep this array *SORTED* by hex value.
535 * Access is done through binary search
536 */
537 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
538 HCMD_NAME(UCODE_ALIVE_NTFY),
539 HCMD_NAME(REPLY_ERROR),
540 HCMD_NAME(ECHO_CMD),
541 HCMD_NAME(INIT_COMPLETE_NOTIF),
542 HCMD_NAME(PHY_CONTEXT_CMD),
543 HCMD_NAME(DBG_CFG),
544 HCMD_NAME(SCAN_CFG_CMD),
545 HCMD_NAME(SCAN_REQ_UMAC),
546 HCMD_NAME(SCAN_ABORT_UMAC),
547 HCMD_NAME(SCAN_COMPLETE_UMAC),
548 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
549 HCMD_NAME(ADD_STA_KEY),
550 HCMD_NAME(ADD_STA),
551 HCMD_NAME(REMOVE_STA),
552 HCMD_NAME(TX_CMD),
553 HCMD_NAME(SCD_QUEUE_CFG),
554 HCMD_NAME(TXPATH_FLUSH),
555 HCMD_NAME(MGMT_MCAST_KEY),
556 HCMD_NAME(WEP_KEY),
557 HCMD_NAME(SHARED_MEM_CFG),
558 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
559 HCMD_NAME(MAC_CONTEXT_CMD),
560 HCMD_NAME(TIME_EVENT_CMD),
561 HCMD_NAME(TIME_EVENT_NOTIFICATION),
562 HCMD_NAME(BINDING_CONTEXT_CMD),
563 HCMD_NAME(TIME_QUOTA_CMD),
564 HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
565 HCMD_NAME(LEDS_CMD),
566 HCMD_NAME(LQ_CMD),
567 HCMD_NAME(FW_PAGING_BLOCK_CMD),
568 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
569 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
570 HCMD_NAME(HOT_SPOT_CMD),
571 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
572 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
573 HCMD_NAME(BT_COEX_CI),
574 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION),
575 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION),
576 HCMD_NAME(PHY_CONFIGURATION_CMD),
577 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
578 HCMD_NAME(PHY_DB_CMD),
579 HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
580 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
581 HCMD_NAME(POWER_TABLE_CMD),
582 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
583 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
584 HCMD_NAME(NVM_ACCESS_CMD),
585 HCMD_NAME(BEACON_NOTIFICATION),
586 HCMD_NAME(BEACON_TEMPLATE_CMD),
587 HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
588 HCMD_NAME(BT_CONFIG),
589 HCMD_NAME(STATISTICS_CMD),
590 HCMD_NAME(STATISTICS_NOTIFICATION),
591 HCMD_NAME(EOSP_NOTIFICATION),
592 HCMD_NAME(REDUCE_TX_POWER_CMD),
593 HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
594 HCMD_NAME(TDLS_CONFIG_CMD),
595 HCMD_NAME(MAC_PM_POWER_TABLE),
596 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
597 HCMD_NAME(MFUART_LOAD_NOTIFICATION),
598 HCMD_NAME(RSS_CONFIG_CMD),
599 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
600 HCMD_NAME(REPLY_RX_PHY_CMD),
601 HCMD_NAME(REPLY_RX_MPDU_CMD),
602 HCMD_NAME(BAR_FRAME_RELEASE),
603 HCMD_NAME(FRAME_RELEASE),
604 HCMD_NAME(BA_NOTIF),
605 HCMD_NAME(MCC_UPDATE_CMD),
606 HCMD_NAME(MCC_CHUB_UPDATE_CMD),
607 HCMD_NAME(MARKER_CMD),
608 HCMD_NAME(BT_PROFILE_NOTIFICATION),
609 HCMD_NAME(MCAST_FILTER_CMD),
610 HCMD_NAME(REPLY_SF_CFG_CMD),
611 HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
612 HCMD_NAME(D3_CONFIG_CMD),
613 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
614 HCMD_NAME(MATCH_FOUND_NOTIFICATION),
615 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
616 HCMD_NAME(WOWLAN_PATTERNS),
617 HCMD_NAME(WOWLAN_CONFIGURATION),
618 HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
619 HCMD_NAME(WOWLAN_TKIP_PARAM),
620 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
621 HCMD_NAME(WOWLAN_GET_STATUSES),
622 HCMD_NAME(SCAN_ITERATION_COMPLETE),
623 HCMD_NAME(D0I3_END_CMD),
624 HCMD_NAME(LTR_CONFIG),
625 HCMD_NAME(LDBG_CONFIG_CMD),
626 HCMD_NAME(DEBUG_LOG_MSG),
627 };
628
629 /* Please keep this array *SORTED* by hex value.
630 * Access is done through binary search
631 */
632 static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
633 HCMD_NAME(SHARED_MEM_CFG_CMD),
634 HCMD_NAME(SOC_CONFIGURATION_CMD),
635 HCMD_NAME(INIT_EXTENDED_CFG_CMD),
636 HCMD_NAME(FW_ERROR_RECOVERY_CMD),
637 HCMD_NAME(RFI_CONFIG_CMD),
638 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD),
639 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD),
640 HCMD_NAME(SYSTEM_STATISTICS_CMD),
641 HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF),
642 HCMD_NAME(RFI_DEACTIVATE_NOTIF),
643 };
644
645 /* Please keep this array *SORTED* by hex value.
646 * Access is done through binary search
647 */
648 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
649 HCMD_NAME(LOW_LATENCY_CMD),
650 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
651 HCMD_NAME(SESSION_PROTECTION_CMD),
652 HCMD_NAME(CANCEL_CHANNEL_SWITCH_CMD),
653 HCMD_NAME(MAC_CONFIG_CMD),
654 HCMD_NAME(LINK_CONFIG_CMD),
655 HCMD_NAME(STA_CONFIG_CMD),
656 HCMD_NAME(AUX_STA_CMD),
657 HCMD_NAME(STA_REMOVE_CMD),
658 HCMD_NAME(STA_DISABLE_TX_CMD),
659 HCMD_NAME(ROC_CMD),
660 HCMD_NAME(EMLSR_TRANS_FAIL_NOTIF),
661 HCMD_NAME(ROC_NOTIF),
662 HCMD_NAME(CHANNEL_SWITCH_ERROR_NOTIF),
663 HCMD_NAME(MISSED_VAP_NOTIF),
664 HCMD_NAME(SESSION_PROTECTION_NOTIF),
665 HCMD_NAME(PROBE_RESPONSE_DATA_NOTIF),
666 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF),
667 };
668
669 /* Please keep this array *SORTED* by hex value.
670 * Access is done through binary search
671 */
672 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
673 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
674 HCMD_NAME(CTDP_CONFIG_CMD),
675 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
676 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD),
677 HCMD_NAME(AP_TX_POWER_CONSTRAINTS_CMD),
678 HCMD_NAME(CT_KILL_NOTIFICATION),
679 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
680 };
681
682 /* Please keep this array *SORTED* by hex value.
683 * Access is done through binary search
684 */
685 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
686 HCMD_NAME(DQA_ENABLE_CMD),
687 HCMD_NAME(UPDATE_MU_GROUPS_CMD),
688 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
689 HCMD_NAME(WNM_PLATFORM_PTM_REQUEST_CMD),
690 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD),
691 HCMD_NAME(STA_HE_CTXT_CMD),
692 HCMD_NAME(RLC_CONFIG_CMD),
693 HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
694 HCMD_NAME(TLC_MNG_CONFIG_CMD),
695 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
696 HCMD_NAME(SCD_QUEUE_CONFIG_CMD),
697 HCMD_NAME(SEC_KEY_CMD),
698 HCMD_NAME(ESR_MODE_NOTIF),
699 HCMD_NAME(MONITOR_NOTIF),
700 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST),
701 HCMD_NAME(STA_PM_NOTIF),
702 HCMD_NAME(MU_GROUP_MGMT_NOTIF),
703 HCMD_NAME(RX_QUEUES_NOTIFICATION),
704 };
705
706 /* Please keep this array *SORTED* by hex value.
707 * Access is done through binary search
708 */
709 static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = {
710 HCMD_NAME(STATISTICS_OPER_NOTIF),
711 HCMD_NAME(STATISTICS_OPER_PART1_NOTIF),
712 };
713
714 /* Please keep this array *SORTED* by hex value.
715 * Access is done through binary search
716 */
717 static const struct iwl_hcmd_names iwl_mvm_debug_names[] = {
718 HCMD_NAME(LMAC_RD_WR),
719 HCMD_NAME(UMAC_RD_WR),
720 HCMD_NAME(HOST_EVENT_CFG),
721 HCMD_NAME(DBGC_SUSPEND_RESUME),
722 HCMD_NAME(BUFFER_ALLOCATION),
723 HCMD_NAME(GET_TAS_STATUS),
724 HCMD_NAME(FW_DUMP_COMPLETE_CMD),
725 HCMD_NAME(FW_CLEAR_BUFFER),
726 HCMD_NAME(MFU_ASSERT_DUMP_NTF),
727 };
728
729 /* Please keep this array *SORTED* by hex value.
730 * Access is done through binary search
731 */
732 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = {
733 HCMD_NAME(CHANNEL_SURVEY_NOTIF),
734 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF),
735 };
736
737 /* Please keep this array *SORTED* by hex value.
738 * Access is done through binary search
739 */
740 static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
741 HCMD_NAME(TOF_RANGE_REQ_CMD),
742 HCMD_NAME(TOF_CONFIG_CMD),
743 HCMD_NAME(TOF_RANGE_ABORT_CMD),
744 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
745 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
746 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
747 HCMD_NAME(TOF_LC_NOTIF),
748 HCMD_NAME(TOF_RESPONDER_STATS),
749 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
750 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
751 };
752
753 /* Please keep this array *SORTED* by hex value.
754 * Access is done through binary search
755 */
756 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
757 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION),
758 HCMD_NAME(WOWLAN_INFO_NOTIFICATION),
759 HCMD_NAME(D3_END_NOTIFICATION),
760 HCMD_NAME(STORED_BEACON_NTF),
761 };
762
763 /* Please keep this array *SORTED* by hex value.
764 * Access is done through binary search
765 */
766 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
767 HCMD_NAME(NVM_ACCESS_COMPLETE),
768 HCMD_NAME(NVM_GET_INFO),
769 HCMD_NAME(TAS_CONFIG),
770 };
771
772 /* Please keep this array *SORTED* by hex value.
773 * Access is done through binary search
774 */
775 static const struct iwl_hcmd_names iwl_mvm_bt_coex_names[] = {
776 HCMD_NAME(PROFILE_NOTIF),
777 };
778
779 static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
780 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
781 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
782 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
783 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
784 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
785 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
786 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names),
787 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
788 [BT_COEX_GROUP] = HCMD_ARR(iwl_mvm_bt_coex_names),
789 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
790 [REGULATORY_AND_NVM_GROUP] =
791 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
792 [DEBUG_GROUP] = HCMD_ARR(iwl_mvm_debug_names),
793 [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names),
794 };
795
796 /* this forward declaration can avoid to export the function */
797 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
798 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy,
799 struct wiphy_work *work);
800
801 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
802 {
803 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
804 u64 dflt_pwr_limit;
805
806 if (!backoff)
807 return 0;
808
809 iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit);
810
811 while (backoff->pwr) {
812 if (dflt_pwr_limit >= backoff->pwr)
813 return backoff->backoff;
814
815 backoff++;
816 }
817
818 return 0;
819 }
820
821 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
822 {
823 struct iwl_mvm *mvm =
824 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
825 struct ieee80211_vif *tx_blocked_vif;
826 struct iwl_mvm_vif *mvmvif;
827
828 guard(mvm)(mvm);
829
830 tx_blocked_vif =
831 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
832 lockdep_is_held(&mvm->mutex));
833
834 if (!tx_blocked_vif)
835 return;
836
837 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
838 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
839 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
840 }
841
842 static void iwl_mvm_fwrt_dump_start(void *ctx)
843 {
844 struct iwl_mvm *mvm = ctx;
845
846 mutex_lock(&mvm->mutex);
847 }
848
849 static void iwl_mvm_fwrt_dump_end(void *ctx)
850 {
851 struct iwl_mvm *mvm = ctx;
852
853 mutex_unlock(&mvm->mutex);
854 }
855
856 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
857 {
858 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
859
860 guard(mvm)(mvm);
861 return iwl_mvm_send_cmd(mvm, host_cmd);
862 }
863
864 static bool iwl_mvm_d3_debug_enable(void *ctx)
865 {
866 return IWL_MVM_D3_DEBUG;
867 }
868
869 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
870 .dump_start = iwl_mvm_fwrt_dump_start,
871 .dump_end = iwl_mvm_fwrt_dump_end,
872 .send_hcmd = iwl_mvm_fwrt_send_hcmd,
873 .d3_debug_enable = iwl_mvm_d3_debug_enable,
874 };
875
876 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
877 {
878 struct iwl_trans *trans = mvm->trans;
879 int ret;
880
881 if (trans->csme_own) {
882 if (WARN(!mvm->mei_registered,
883 "csme is owner, but we aren't registered to iwlmei\n"))
884 goto get_nvm_from_fw;
885
886 mvm->mei_nvm_data = iwl_mei_get_nvm();
887 if (mvm->mei_nvm_data) {
888 /*
889 * mvm->mei_nvm_data is set and because of that,
890 * we'll load the NVM from the FW when we'll get
891 * ownership.
892 */
893 mvm->nvm_data =
894 iwl_parse_mei_nvm_data(trans, trans->cfg,
895 mvm->mei_nvm_data,
896 mvm->fw,
897 mvm->set_tx_ant,
898 mvm->set_rx_ant);
899 return 0;
900 }
901
902 IWL_ERR(mvm,
903 "Got a NULL NVM from CSME, trying to get it from the device\n");
904 }
905
906 get_nvm_from_fw:
907 rtnl_lock();
908 wiphy_lock(mvm->hw->wiphy);
909 mutex_lock(&mvm->mutex);
910
911 ret = iwl_trans_start_hw(mvm->trans);
912 if (ret) {
913 mutex_unlock(&mvm->mutex);
914 wiphy_unlock(mvm->hw->wiphy);
915 rtnl_unlock();
916 return ret;
917 }
918
919 ret = iwl_run_init_mvm_ucode(mvm);
920 if (ret && ret != -ERFKILL)
921 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
922 if (!ret && iwl_mvm_is_lar_supported(mvm)) {
923 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
924 ret = iwl_mvm_init_mcc(mvm);
925 }
926
927 iwl_mvm_stop_device(mvm);
928
929 mutex_unlock(&mvm->mutex);
930 wiphy_unlock(mvm->hw->wiphy);
931 rtnl_unlock();
932
933 if (ret)
934 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
935
936 /* no longer need this regardless of failure or not */
937 mvm->fw_product_reset = false;
938
939 return ret;
940 }
941
942 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
943 {
944 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
945 int ret;
946
947 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
948
949 ret = iwl_mvm_mac_setup_register(mvm);
950 if (ret)
951 return ret;
952
953 mvm->hw_registered = true;
954
955 iwl_mvm_dbgfs_register(mvm);
956
957 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
958 mvm->mei_rfkill_blocked,
959 RFKILL_HARD_BLOCK_NOT_OWNER);
960
961 iwl_mvm_mei_set_sw_rfkill_state(mvm);
962
963 return 0;
964 }
965
966 struct iwl_mvm_frob_txf_data {
967 u8 *buf;
968 size_t buflen;
969 };
970
971 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw,
972 struct ieee80211_vif *vif,
973 struct ieee80211_sta *sta,
974 struct ieee80211_key_conf *key,
975 void *data)
976 {
977 struct iwl_mvm_frob_txf_data *txf = data;
978 u8 keylen, match, matchend;
979 u8 *keydata;
980 size_t i;
981
982 switch (key->cipher) {
983 case WLAN_CIPHER_SUITE_CCMP:
984 keydata = key->key;
985 keylen = key->keylen;
986 break;
987 case WLAN_CIPHER_SUITE_WEP40:
988 case WLAN_CIPHER_SUITE_WEP104:
989 case WLAN_CIPHER_SUITE_TKIP:
990 /*
991 * WEP has short keys which might show up in the payload,
992 * and then you can deduce the key, so in this case just
993 * remove all FIFO data.
994 * For TKIP, we don't know the phase 2 keys here, so same.
995 */
996 memset(txf->buf, 0xBB, txf->buflen);
997 return;
998 default:
999 return;
1000 }
1001
1002 /* scan for key material and clear it out */
1003 match = 0;
1004 for (i = 0; i < txf->buflen; i++) {
1005 if (txf->buf[i] != keydata[match]) {
1006 match = 0;
1007 continue;
1008 }
1009 match++;
1010 if (match == keylen) {
1011 memset(txf->buf + i - keylen, 0xAA, keylen);
1012 match = 0;
1013 }
1014 }
1015
1016 /* we're dealing with a FIFO, so check wrapped around data */
1017 matchend = match;
1018 for (i = 0; match && i < keylen - match; i++) {
1019 if (txf->buf[i] != keydata[match])
1020 break;
1021 match++;
1022 if (match == keylen) {
1023 memset(txf->buf, 0xAA, i + 1);
1024 memset(txf->buf + txf->buflen - matchend, 0xAA,
1025 matchend);
1026 break;
1027 }
1028 }
1029 }
1030
1031 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen)
1032 {
1033 struct iwl_mvm_frob_txf_data txf = {
1034 .buf = buf,
1035 .buflen = buflen,
1036 };
1037 struct iwl_mvm *mvm = ctx;
1038
1039 /* embedded key material exists only on old API */
1040 if (iwl_mvm_has_new_tx_api(mvm))
1041 return;
1042
1043 rcu_read_lock();
1044 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf);
1045 rcu_read_unlock();
1046 }
1047
1048 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len)
1049 {
1050 /* we only use wide headers for commands */
1051 struct iwl_cmd_header_wide *hdr = hcmd;
1052 unsigned int frob_start = sizeof(*hdr), frob_end = 0;
1053
1054 if (len < sizeof(hdr))
1055 return;
1056
1057 /* all the commands we care about are in LONG_GROUP */
1058 if (hdr->group_id != LONG_GROUP)
1059 return;
1060
1061 switch (hdr->cmd) {
1062 case WEP_KEY:
1063 case WOWLAN_TKIP_PARAM:
1064 case WOWLAN_KEK_KCK_MATERIAL:
1065 case ADD_STA_KEY:
1066 /*
1067 * blank out everything here, easier than dealing
1068 * with the various versions of the command
1069 */
1070 frob_end = INT_MAX;
1071 break;
1072 case MGMT_MCAST_KEY:
1073 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
1074 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) !=
1075 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
1076
1077 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
1078 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) <
1079 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
1080 break;
1081 }
1082
1083 if (frob_start >= frob_end)
1084 return;
1085
1086 if (frob_end > len)
1087 frob_end = len;
1088
1089 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start);
1090 }
1091
1092 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen)
1093 {
1094 const struct iwl_dump_exclude *excl;
1095 struct iwl_mvm *mvm = ctx;
1096 int i;
1097
1098 switch (mvm->fwrt.cur_fw_img) {
1099 case IWL_UCODE_INIT:
1100 default:
1101 /* not relevant */
1102 return;
1103 case IWL_UCODE_REGULAR:
1104 case IWL_UCODE_REGULAR_USNIFFER:
1105 excl = mvm->fw->dump_excl;
1106 break;
1107 case IWL_UCODE_WOWLAN:
1108 excl = mvm->fw->dump_excl_wowlan;
1109 break;
1110 }
1111
1112 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) !=
1113 sizeof(mvm->fw->dump_excl_wowlan));
1114
1115 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) {
1116 u32 start, end;
1117
1118 if (!excl[i].addr || !excl[i].size)
1119 continue;
1120
1121 start = excl[i].addr;
1122 end = start + excl[i].size;
1123
1124 if (end <= mem_addr || start >= mem_addr + buflen)
1125 continue;
1126
1127 if (start < mem_addr)
1128 start = mem_addr;
1129
1130 if (end > mem_addr + buflen)
1131 end = mem_addr + buflen;
1132
1133 memset((u8 *)mem + start - mem_addr, 0xAA, end - start);
1134 }
1135 }
1136
1137 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = {
1138 .frob_txf = iwl_mvm_frob_txf,
1139 .frob_hcmd = iwl_mvm_frob_hcmd,
1140 .frob_mem = iwl_mvm_frob_mem,
1141 };
1142
1143 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info)
1144 {
1145 struct iwl_mvm *mvm = priv;
1146 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info;
1147
1148 /*
1149 * This is protected by the guarantee that this function will not be
1150 * called twice on two different threads
1151 */
1152 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true);
1153
1154 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL);
1155 if (!curr_conn_info)
1156 return;
1157
1158 curr_conn_info->conn_info = *conn_info;
1159
1160 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info);
1161
1162 if (prev_conn_info)
1163 kfree_rcu(prev_conn_info, rcu_head);
1164 }
1165
1166 static void iwl_mvm_mei_rfkill(void *priv, bool blocked,
1167 bool csme_taking_ownership)
1168 {
1169 struct iwl_mvm *mvm = priv;
1170
1171 if (blocked && !csme_taking_ownership)
1172 return;
1173
1174 mvm->mei_rfkill_blocked = blocked;
1175 if (!mvm->hw_registered)
1176 return;
1177
1178 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
1179 mvm->mei_rfkill_blocked,
1180 RFKILL_HARD_BLOCK_NOT_OWNER);
1181 }
1182
1183 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden)
1184 {
1185 struct iwl_mvm *mvm = priv;
1186
1187 if (!mvm->hw_registered || !mvm->csme_vif)
1188 return;
1189
1190 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden);
1191 }
1192
1193 static void iwl_mvm_sap_connected_wk(struct work_struct *wk)
1194 {
1195 struct iwl_mvm *mvm =
1196 container_of(wk, struct iwl_mvm, sap_connected_wk);
1197 int ret;
1198
1199 ret = iwl_mvm_start_get_nvm(mvm);
1200 if (ret)
1201 goto out_free;
1202
1203 ret = iwl_mvm_start_post_nvm(mvm);
1204 if (ret)
1205 goto out_free;
1206
1207 return;
1208
1209 out_free:
1210 IWL_ERR(mvm, "Couldn't get started...\n");
1211 iwl_mei_start_unregister();
1212 iwl_mei_unregister_complete();
1213 iwl_fw_flush_dumps(&mvm->fwrt);
1214 iwl_mvm_thermal_exit(mvm);
1215 iwl_fw_runtime_free(&mvm->fwrt);
1216 iwl_phy_db_free(mvm->phy_db);
1217 kfree(mvm->scan_cmd);
1218 iwl_trans_op_mode_leave(mvm->trans);
1219 kfree(mvm->nvm_data);
1220 kfree(mvm->mei_nvm_data);
1221
1222 ieee80211_free_hw(mvm->hw);
1223 }
1224
1225 static void iwl_mvm_mei_sap_connected(void *priv)
1226 {
1227 struct iwl_mvm *mvm = priv;
1228
1229 if (!mvm->hw_registered)
1230 schedule_work(&mvm->sap_connected_wk);
1231 }
1232
1233 static void iwl_mvm_mei_nic_stolen(void *priv)
1234 {
1235 struct iwl_mvm *mvm = priv;
1236
1237 rtnl_lock();
1238 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy);
1239 rtnl_unlock();
1240 }
1241
1242 static const struct iwl_mei_ops mei_ops = {
1243 .me_conn_status = iwl_mvm_me_conn_status,
1244 .rfkill = iwl_mvm_mei_rfkill,
1245 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden,
1246 .sap_connected = iwl_mvm_mei_sap_connected,
1247 .nic_stolen = iwl_mvm_mei_nic_stolen,
1248 };
1249
1250 static void iwl_mvm_find_link_selection_vif(void *_data, u8 *mac,
1251 struct ieee80211_vif *vif)
1252 {
1253 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1254
1255 if (ieee80211_vif_is_mld(vif) && mvmvif->authorized)
1256 iwl_mvm_select_links(mvmvif->mvm, vif);
1257 }
1258
1259 static void iwl_mvm_trig_link_selection(struct wiphy *wiphy,
1260 struct wiphy_work *wk)
1261 {
1262 struct iwl_mvm *mvm =
1263 container_of(wk, struct iwl_mvm, trig_link_selection_wk);
1264
1265 mutex_lock(&mvm->mutex);
1266 ieee80211_iterate_active_interfaces(mvm->hw,
1267 IEEE80211_IFACE_ITER_NORMAL,
1268 iwl_mvm_find_link_selection_vif,
1269 NULL);
1270 mutex_unlock(&mvm->mutex);
1271 }
1272
1273 static struct iwl_op_mode *
1274 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
1275 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
1276 {
1277 struct ieee80211_hw *hw;
1278 struct iwl_op_mode *op_mode;
1279 struct iwl_mvm *mvm;
1280 struct iwl_trans_config trans_cfg = {};
1281 static const u8 no_reclaim_cmds[] = {
1282 TX_CMD,
1283 };
1284 u32 max_agg;
1285 size_t scan_size;
1286 u32 min_backoff;
1287 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
1288
1289 /*
1290 * We use IWL_STATION_COUNT_MAX to check the validity of the station
1291 * index all over the driver - check that its value corresponds to the
1292 * array size.
1293 */
1294 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) !=
1295 IWL_STATION_COUNT_MAX);
1296
1297 /********************************
1298 * 1. Allocating and configuring HW data
1299 ********************************/
1300 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
1301 sizeof(struct iwl_mvm),
1302 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops :
1303 &iwl_mvm_hw_ops);
1304 if (!hw)
1305 return NULL;
1306
1307 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)
1308 max_agg = 512;
1309 else
1310 max_agg = IEEE80211_MAX_AMPDU_BUF_HE;
1311
1312 hw->max_rx_aggregation_subframes = max_agg;
1313
1314 if (cfg->max_tx_agg_size)
1315 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
1316 else
1317 hw->max_tx_aggregation_subframes = max_agg;
1318
1319 op_mode = hw->priv;
1320
1321 mvm = IWL_OP_MODE_GET_MVM(op_mode);
1322 mvm->dev = trans->dev;
1323 mvm->trans = trans;
1324 mvm->cfg = cfg;
1325 mvm->fw = fw;
1326 mvm->hw = hw;
1327
1328 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
1329 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir);
1330
1331 iwl_mvm_get_bios_tables(mvm);
1332 iwl_uefi_get_sgom_table(trans, &mvm->fwrt);
1333 iwl_uefi_get_step_table(trans);
1334
1335 mvm->init_status = 0;
1336
1337 if (iwl_mvm_has_new_rx_api(mvm)) {
1338 op_mode->ops = &iwl_mvm_ops_mq;
1339 trans->rx_mpdu_cmd_hdr_size =
1340 (trans->trans_cfg->device_family >=
1341 IWL_DEVICE_FAMILY_AX210) ?
1342 sizeof(struct iwl_rx_mpdu_desc) :
1343 IWL_RX_DESC_SIZE_V1;
1344 } else {
1345 op_mode->ops = &iwl_mvm_ops;
1346 trans->rx_mpdu_cmd_hdr_size =
1347 sizeof(struct iwl_rx_mpdu_res_start);
1348
1349 if (WARN_ON(trans->num_rx_queues > 1))
1350 goto out_free;
1351 }
1352
1353 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
1354 mvm->bios_enable_puncturing = iwl_uefi_get_puncturing(&mvm->fwrt);
1355
1356 if (iwl_mvm_has_new_tx_api(mvm)) {
1357 /*
1358 * If we have the new TX/queue allocation API initialize them
1359 * all to invalid numbers. We'll rewrite the ones that we need
1360 * later, but that doesn't happen for all of them all of the
1361 * time (e.g. P2P Device is optional), and if a dynamic queue
1362 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then
1363 * iwl_mvm_is_static_queue() erroneously returns true, and we
1364 * might have things getting stuck.
1365 */
1366 mvm->aux_queue = IWL_MVM_INVALID_QUEUE;
1367 mvm->snif_queue = IWL_MVM_INVALID_QUEUE;
1368 mvm->probe_queue = IWL_MVM_INVALID_QUEUE;
1369 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE;
1370 } else {
1371 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
1372 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
1373 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
1374 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
1375 }
1376
1377 mvm->sf_state = SF_UNINIT;
1378 if (iwl_mvm_has_unified_ucode(mvm))
1379 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
1380 else
1381 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
1382 mvm->drop_bcn_ap_mode = true;
1383
1384 mutex_init(&mvm->mutex);
1385 spin_lock_init(&mvm->async_handlers_lock);
1386 INIT_LIST_HEAD(&mvm->time_event_list);
1387 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
1388 INIT_LIST_HEAD(&mvm->async_handlers_list);
1389 spin_lock_init(&mvm->time_event_lock);
1390 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
1391 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list);
1392 INIT_LIST_HEAD(&mvm->resp_pasn_list);
1393
1394 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
1395 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
1396 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk);
1397 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
1398 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
1399 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
1400 INIT_LIST_HEAD(&mvm->add_stream_txqs);
1401 spin_lock_init(&mvm->add_stream_lock);
1402
1403 wiphy_work_init(&mvm->async_handlers_wiphy_wk,
1404 iwl_mvm_async_handlers_wiphy_wk);
1405
1406 wiphy_work_init(&mvm->trig_link_selection_wk,
1407 iwl_mvm_trig_link_selection);
1408
1409 init_waitqueue_head(&mvm->rx_sync_waitq);
1410
1411 mvm->queue_sync_state = 0;
1412
1413 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
1414
1415 spin_lock_init(&mvm->tcm.lock);
1416 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
1417 mvm->tcm.ts = jiffies;
1418 mvm->tcm.ll_ts = jiffies;
1419 mvm->tcm.uapsd_nonagg_ts = jiffies;
1420
1421 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
1422
1423 mvm->cmd_ver.range_resp =
1424 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP,
1425 TOF_RANGE_RESPONSE_NOTIF, 5);
1426 /* we only support up to version 9 */
1427 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9))
1428 goto out_free;
1429
1430 /*
1431 * Populate the state variables that the transport layer needs
1432 * to know about.
1433 */
1434 trans_cfg.op_mode = op_mode;
1435 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
1436 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
1437
1438 trans_cfg.rx_buf_size = iwl_amsdu_size_to_rxb_size();
1439
1440 trans->wide_cmd_header = true;
1441 trans_cfg.bc_table_dword =
1442 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;
1443
1444 trans_cfg.command_groups = iwl_mvm_groups;
1445 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
1446
1447 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
1448 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
1449 trans_cfg.scd_set_active = true;
1450
1451 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
1452 driver_data[2]);
1453
1454 snprintf(mvm->hw->wiphy->fw_version,
1455 sizeof(mvm->hw->wiphy->fw_version),
1456 "%.31s", fw->fw_version);
1457
1458 trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa,
1459 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);
1460
1461 trans_cfg.queue_alloc_cmd_ver =
1462 iwl_fw_lookup_cmd_ver(mvm->fw,
1463 WIDE_ID(DATA_PATH_GROUP,
1464 SCD_QUEUE_CONFIG_CMD),
1465 0);
1466 mvm->sta_remove_requires_queue_remove =
1467 trans_cfg.queue_alloc_cmd_ver > 0;
1468
1469 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw);
1470
1471 /* Configure transport layer */
1472 iwl_trans_configure(mvm->trans, &trans_cfg);
1473
1474 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
1475 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
1476 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
1477 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv,
1478 sizeof(trans->dbg.conf_tlv));
1479 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv;
1480
1481 trans->iml = mvm->fw->iml;
1482 trans->iml_len = mvm->fw->iml_len;
1483
1484 /* set up notification wait support */
1485 iwl_notification_wait_init(&mvm->notif_wait);
1486
1487 /* Init phy db */
1488 mvm->phy_db = iwl_phy_db_init(trans);
1489 if (!mvm->phy_db) {
1490 IWL_ERR(mvm, "Cannot init phy_db\n");
1491 goto out_free;
1492 }
1493
1494 if (iwlwifi_mod_params.nvm_file)
1495 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
1496 else
1497 IWL_DEBUG_EEPROM(mvm->trans->dev,
1498 "working without external nvm file\n");
1499
1500 scan_size = iwl_mvm_scan_size(mvm);
1501
1502 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
1503 if (!mvm->scan_cmd)
1504 goto out_free;
1505 mvm->scan_cmd_size = scan_size;
1506
1507 /* invalidate ids to prevent accidental removal of sta_id 0 */
1508 mvm->aux_sta.sta_id = IWL_INVALID_STA;
1509 mvm->snif_sta.sta_id = IWL_INVALID_STA;
1510
1511 /* Set EBS as successful as long as not stated otherwise by the FW. */
1512 mvm->last_ebs_successful = true;
1513
1514 min_backoff = iwl_mvm_min_backoff(mvm);
1515 iwl_mvm_thermal_initialize(mvm, min_backoff);
1516
1517 if (!iwl_mvm_has_new_rx_stats_api(mvm))
1518 memset(&mvm->rx_stats_v3, 0,
1519 sizeof(struct mvm_statistics_rx_v3));
1520 else
1521 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
1522
1523 iwl_mvm_ftm_initiator_smooth_config(mvm);
1524
1525 iwl_mvm_init_time_sync(&mvm->time_sync);
1526
1527 mvm->debugfs_dir = dbgfs_dir;
1528
1529 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops);
1530
1531 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter);
1532
1533 if (iwl_mvm_start_get_nvm(mvm)) {
1534 /*
1535 * Getting NVM failed while CSME is the owner, but we are
1536 * registered to MEI, we'll get the NVM later when it'll be
1537 * possible to get it from CSME.
1538 */
1539 if (trans->csme_own && mvm->mei_registered)
1540 return op_mode;
1541
1542 goto out_thermal_exit;
1543 }
1544
1545
1546 if (iwl_mvm_start_post_nvm(mvm))
1547 goto out_thermal_exit;
1548
1549 return op_mode;
1550
1551 out_thermal_exit:
1552 iwl_mvm_thermal_exit(mvm);
1553 if (mvm->mei_registered) {
1554 iwl_mei_start_unregister();
1555 iwl_mei_unregister_complete();
1556 }
1557 out_free:
1558 iwl_fw_flush_dumps(&mvm->fwrt);
1559 iwl_fw_runtime_free(&mvm->fwrt);
1560
1561 iwl_phy_db_free(mvm->phy_db);
1562 kfree(mvm->scan_cmd);
1563 iwl_trans_op_mode_leave(trans);
1564
1565 ieee80211_free_hw(mvm->hw);
1566 return NULL;
1567 }
1568
1569 void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1570 {
1571 lockdep_assert_held(&mvm->mutex);
1572
1573 iwl_fw_cancel_timestamp(&mvm->fwrt);
1574
1575 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1576
1577 iwl_mvm_pause_tcm(mvm, false);
1578
1579 iwl_fw_dbg_stop_sync(&mvm->fwrt);
1580 iwl_trans_stop_device(mvm->trans);
1581 iwl_free_fw_paging(&mvm->fwrt);
1582 iwl_fw_dump_conf_clear(&mvm->fwrt);
1583 iwl_mvm_mei_device_state(mvm, false);
1584 }
1585
1586 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
1587 {
1588 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1589 int i;
1590
1591 if (mvm->mei_registered) {
1592 rtnl_lock();
1593 iwl_mei_set_netdev(NULL);
1594 rtnl_unlock();
1595 iwl_mei_start_unregister();
1596 }
1597
1598 /*
1599 * After we unregister from mei, the worker can't be scheduled
1600 * anymore.
1601 */
1602 cancel_work_sync(&mvm->sap_connected_wk);
1603
1604 iwl_mvm_leds_exit(mvm);
1605
1606 iwl_mvm_thermal_exit(mvm);
1607
1608 /*
1609 * If we couldn't get ownership on the device and we couldn't
1610 * get the NVM from CSME, we haven't registered to mac80211.
1611 * In that case, we didn't fail op_mode_start, because we are
1612 * waiting for CSME to allow us to get the NVM to register to
1613 * mac80211. If that didn't happen, we haven't registered to
1614 * mac80211, hence the if below.
1615 */
1616 if (mvm->hw_registered)
1617 ieee80211_unregister_hw(mvm->hw);
1618
1619 kfree(mvm->scan_cmd);
1620 kfree(mvm->mcast_filter_cmd);
1621 mvm->mcast_filter_cmd = NULL;
1622
1623 kfree(mvm->error_recovery_buf);
1624 mvm->error_recovery_buf = NULL;
1625
1626 iwl_mvm_ptp_remove(mvm);
1627
1628 iwl_trans_op_mode_leave(mvm->trans);
1629
1630 iwl_phy_db_free(mvm->phy_db);
1631 mvm->phy_db = NULL;
1632
1633 kfree(mvm->nvm_data);
1634 kfree(mvm->mei_nvm_data);
1635 kfree(rcu_access_pointer(mvm->csme_conn_info));
1636 kfree(mvm->temp_nvm_data);
1637 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
1638 kfree(mvm->nvm_sections[i].data);
1639 kfree(mvm->acs_survey);
1640
1641 cancel_delayed_work_sync(&mvm->tcm.work);
1642
1643 iwl_fw_runtime_free(&mvm->fwrt);
1644 mutex_destroy(&mvm->mutex);
1645
1646 if (mvm->mei_registered)
1647 iwl_mei_unregister_complete();
1648
1649 ieee80211_free_hw(mvm->hw);
1650 }
1651
1652 struct iwl_async_handler_entry {
1653 struct list_head list;
1654 struct iwl_rx_cmd_buffer rxb;
1655 enum iwl_rx_handler_context context;
1656 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1657 };
1658
1659 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
1660 {
1661 struct iwl_async_handler_entry *entry, *tmp;
1662
1663 spin_lock_bh(&mvm->async_handlers_lock);
1664 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1665 iwl_free_rxb(&entry->rxb);
1666 list_del(&entry->list);
1667 kfree(entry);
1668 }
1669 spin_unlock_bh(&mvm->async_handlers_lock);
1670 }
1671
1672 /*
1673 * This function receives a bitmap of rx async handler contexts
1674 * (&iwl_rx_handler_context) to handle, and runs only them
1675 */
1676 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm,
1677 u8 contexts)
1678 {
1679 struct iwl_async_handler_entry *entry, *tmp;
1680 LIST_HEAD(local_list);
1681
1682 /*
1683 * Sync with Rx path with a lock. Remove all the entries of the
1684 * wanted contexts from this list, add them to a local one (lock free),
1685 * and then handle them.
1686 */
1687 spin_lock_bh(&mvm->async_handlers_lock);
1688 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1689 if (!(BIT(entry->context) & contexts))
1690 continue;
1691 list_del(&entry->list);
1692 list_add_tail(&entry->list, &local_list);
1693 }
1694 spin_unlock_bh(&mvm->async_handlers_lock);
1695
1696 list_for_each_entry_safe(entry, tmp, &local_list, list) {
1697 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED)
1698 mutex_lock(&mvm->mutex);
1699 entry->fn(mvm, &entry->rxb);
1700 iwl_free_rxb(&entry->rxb);
1701 list_del(&entry->list);
1702 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED)
1703 mutex_unlock(&mvm->mutex);
1704 kfree(entry);
1705 }
1706 }
1707
1708 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy,
1709 struct wiphy_work *wk)
1710 {
1711 struct iwl_mvm *mvm =
1712 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk);
1713 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY);
1714
1715 iwl_mvm_async_handlers_by_context(mvm, contexts);
1716 }
1717
1718 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
1719 {
1720 struct iwl_mvm *mvm =
1721 container_of(wk, struct iwl_mvm, async_handlers_wk);
1722 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) |
1723 BIT(RX_HANDLER_ASYNC_UNLOCKED);
1724
1725 iwl_mvm_async_handlers_by_context(mvm, contexts);
1726 }
1727
1728 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
1729 struct iwl_rx_packet *pkt)
1730 {
1731 struct iwl_fw_dbg_trigger_tlv *trig;
1732 struct iwl_fw_dbg_trigger_cmd *cmds_trig;
1733 int i;
1734
1735 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
1736 FW_DBG_TRIGGER_FW_NOTIF);
1737 if (!trig)
1738 return;
1739
1740 cmds_trig = (void *)trig->data;
1741
1742 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
1743 /* don't collect on CMD 0 */
1744 if (!cmds_trig->cmds[i].cmd_id)
1745 break;
1746
1747 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
1748 cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
1749 continue;
1750
1751 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
1752 "CMD 0x%02x.%02x received",
1753 pkt->hdr.group_id, pkt->hdr.cmd);
1754 break;
1755 }
1756 }
1757
1758 static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
1759 struct iwl_rx_cmd_buffer *rxb,
1760 struct iwl_rx_packet *pkt)
1761 {
1762 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
1763 int i;
1764 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
1765
1766 iwl_dbg_tlv_time_point(&mvm->fwrt,
1767 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
1768 iwl_mvm_rx_check_trigger(mvm, pkt);
1769
1770 /*
1771 * Do the notification wait before RX handlers so
1772 * even if the RX handler consumes the RXB we have
1773 * access to it in the notification wait entry.
1774 */
1775 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1776
1777 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1778 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1779 struct iwl_async_handler_entry *entry;
1780
1781 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1782 continue;
1783
1784 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size,
1785 "unexpected notification 0x%04x size %d, need %d\n",
1786 rx_h->cmd_id, pkt_len, rx_h->min_size))
1787 return;
1788
1789 if (rx_h->context == RX_HANDLER_SYNC) {
1790 rx_h->fn(mvm, rxb);
1791 return;
1792 }
1793
1794 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1795 /* we can't do much... */
1796 if (!entry)
1797 return;
1798
1799 entry->rxb._page = rxb_steal_page(rxb);
1800 entry->rxb._offset = rxb->_offset;
1801 entry->rxb._rx_page_order = rxb->_rx_page_order;
1802 entry->fn = rx_h->fn;
1803 entry->context = rx_h->context;
1804 spin_lock(&mvm->async_handlers_lock);
1805 list_add_tail(&entry->list, &mvm->async_handlers_list);
1806 spin_unlock(&mvm->async_handlers_lock);
1807 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY)
1808 wiphy_work_queue(mvm->hw->wiphy,
1809 &mvm->async_handlers_wiphy_wk);
1810 else
1811 schedule_work(&mvm->async_handlers_wk);
1812 break;
1813 }
1814 }
1815
1816 static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1817 struct napi_struct *napi,
1818 struct iwl_rx_cmd_buffer *rxb)
1819 {
1820 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1821 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1822 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1823
1824 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1825 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1826 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1827 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1828 else
1829 iwl_mvm_rx_common(mvm, rxb, pkt);
1830 }
1831
1832 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1833 struct napi_struct *napi,
1834 struct iwl_rx_cmd_buffer *rxb)
1835 {
1836 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1837 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1838 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1839
1840 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1841 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1842 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1843 RX_QUEUES_NOTIFICATION)))
1844 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
1845 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1846 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1847 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1848 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
1849 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1850 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1851 else
1852 iwl_mvm_rx_common(mvm, rxb, pkt);
1853 }
1854
1855 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1856 {
1857 return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1858 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1859 }
1860
1861 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1862 int hw_queue, bool start)
1863 {
1864 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1865 struct ieee80211_sta *sta;
1866 struct ieee80211_txq *txq;
1867 struct iwl_mvm_txq *mvmtxq;
1868 int i;
1869 unsigned long tid_bitmap;
1870 struct iwl_mvm_sta *mvmsta;
1871 u8 sta_id;
1872
1873 sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1874 mvm->tvqm_info[hw_queue].sta_id :
1875 mvm->queue_info[hw_queue].ra_sta_id;
1876
1877 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations))
1878 return;
1879
1880 rcu_read_lock();
1881
1882 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1883 if (IS_ERR_OR_NULL(sta))
1884 goto out;
1885 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1886
1887 if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1888 if (!start)
1889 ieee80211_stop_queues(mvm->hw);
1890 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1891 ieee80211_wake_queues(mvm->hw);
1892
1893 goto out;
1894 }
1895
1896 if (iwl_mvm_has_new_tx_api(mvm)) {
1897 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1898
1899 tid_bitmap = BIT(tid);
1900 } else {
1901 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1902 }
1903
1904 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1905 int tid = i;
1906
1907 if (tid == IWL_MAX_TID_COUNT)
1908 tid = IEEE80211_NUM_TIDS;
1909
1910 txq = sta->txq[tid];
1911 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1912 if (start)
1913 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1914 else
1915 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1916
1917 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) {
1918 local_bh_disable();
1919 iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1920 local_bh_enable();
1921 }
1922 }
1923
1924 out:
1925 rcu_read_unlock();
1926 }
1927
1928 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1929 {
1930 iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1931 }
1932
1933 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1934 {
1935 iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1936 }
1937
1938 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1939 {
1940 wiphy_rfkill_set_hw_state(mvm->hw->wiphy,
1941 iwl_mvm_is_radio_killed(mvm));
1942 }
1943
1944 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1945 {
1946 if (state)
1947 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1948 else
1949 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1950
1951 iwl_mvm_set_rfkill_state(mvm);
1952 }
1953
1954 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm)
1955 {
1956 return rcu_dereference_protected(mvm->csme_conn_info,
1957 lockdep_is_held(&mvm->mutex));
1958 }
1959
1960 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1961 {
1962 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1963 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1964 bool unified = iwl_mvm_has_unified_ucode(mvm);
1965
1966 if (state)
1967 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1968 else
1969 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1970
1971 iwl_mvm_set_rfkill_state(mvm);
1972
1973 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */
1974 if (rfkill_safe_init_done)
1975 iwl_abort_notification_waits(&mvm->notif_wait);
1976
1977 /*
1978 * Don't ask the transport to stop the firmware. We'll do it
1979 * after cfg80211 takes us down.
1980 */
1981 if (unified)
1982 return false;
1983
1984 /*
1985 * Stop the device if we run OPERATIONAL firmware or if we are in the
1986 * middle of the calibrations.
1987 */
1988 return state && rfkill_safe_init_done;
1989 }
1990
1991 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1992 {
1993 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1994 struct ieee80211_tx_info *info;
1995
1996 info = IEEE80211_SKB_CB(skb);
1997 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1998 ieee80211_free_txskb(mvm->hw, skb);
1999 }
2000
2001 struct iwl_mvm_reprobe {
2002 struct device *dev;
2003 struct work_struct work;
2004 };
2005
2006 static void iwl_mvm_reprobe_wk(struct work_struct *wk)
2007 {
2008 struct iwl_mvm_reprobe *reprobe;
2009
2010 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
2011 if (device_reprobe(reprobe->dev))
2012 dev_err(reprobe->dev, "reprobe failed!\n");
2013 put_device(reprobe->dev);
2014 kfree(reprobe);
2015 module_put(THIS_MODULE);
2016 }
2017
2018 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
2019 {
2020 iwl_abort_notification_waits(&mvm->notif_wait);
2021 iwl_dbg_tlv_del_timers(mvm->trans);
2022
2023 /*
2024 * This is a bit racy, but worst case we tell mac80211 about
2025 * a stopped/aborted scan when that was already done which
2026 * is not a problem. It is necessary to abort any os scan
2027 * here because mac80211 requires having the scan cleared
2028 * before restarting.
2029 * We'll reset the scan_status to NONE in restart cleanup in
2030 * the next start() call from mac80211. If restart isn't called
2031 * (no fw restart) scan status will stay busy.
2032 */
2033 iwl_mvm_report_scan_aborted(mvm);
2034
2035 /*
2036 * If we're restarting already, don't cycle restarts.
2037 * If INIT fw asserted, it will likely fail again.
2038 * If WoWLAN fw asserted, don't restart either, mac80211
2039 * can't recover this since we're already half suspended.
2040 */
2041 if (!mvm->fw_restart && fw_error) {
2042 iwl_fw_error_collect(&mvm->fwrt, false);
2043 } else if (test_bit(IWL_MVM_STATUS_STARTING,
2044 &mvm->status)) {
2045 IWL_ERR(mvm, "Starting mac, retry will be triggered anyway\n");
2046 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
2047 struct iwl_mvm_reprobe *reprobe;
2048
2049 IWL_ERR(mvm,
2050 "Firmware error during reconfiguration - reprobe!\n");
2051
2052 /*
2053 * get a module reference to avoid doing this while unloading
2054 * anyway and to avoid scheduling a work with code that's
2055 * being removed.
2056 */
2057 if (!try_module_get(THIS_MODULE)) {
2058 IWL_ERR(mvm, "Module is being unloaded - abort\n");
2059 return;
2060 }
2061
2062 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
2063 if (!reprobe) {
2064 module_put(THIS_MODULE);
2065 return;
2066 }
2067 reprobe->dev = get_device(mvm->trans->dev);
2068 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
2069 schedule_work(&reprobe->work);
2070 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
2071 &mvm->status)) {
2072 IWL_ERR(mvm, "HW restart already requested, but not started\n");
2073 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
2074 mvm->hw_registered &&
2075 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
2076 /* This should be first thing before trying to collect any
2077 * data to avoid endless loops if any HW error happens while
2078 * collecting debug data.
2079 */
2080 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
2081
2082 if (mvm->fw->ucode_capa.error_log_size) {
2083 u32 src_size = mvm->fw->ucode_capa.error_log_size;
2084 u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
2085 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
2086
2087 if (recover_buf) {
2088 mvm->error_recovery_buf = recover_buf;
2089 iwl_trans_read_mem_bytes(mvm->trans,
2090 src_addr,
2091 recover_buf,
2092 src_size);
2093 }
2094 }
2095
2096 iwl_fw_error_collect(&mvm->fwrt, false);
2097
2098 if (fw_error && mvm->fw_restart > 0) {
2099 mvm->fw_restart--;
2100 ieee80211_restart_hw(mvm->hw);
2101 } else if (mvm->fwrt.trans->dbg.restart_required) {
2102 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n");
2103 mvm->fwrt.trans->dbg.restart_required = false;
2104 ieee80211_restart_hw(mvm->hw);
2105 } else if (mvm->trans->trans_cfg->device_family <= IWL_DEVICE_FAMILY_8000) {
2106 ieee80211_restart_hw(mvm->hw);
2107 }
2108 }
2109 }
2110
2111 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync)
2112 {
2113 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2114
2115 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status) &&
2116 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE,
2117 &mvm->status))
2118 iwl_mvm_dump_nic_error_log(mvm);
2119
2120 if (sync) {
2121 iwl_fw_error_collect(&mvm->fwrt, true);
2122 /*
2123 * Currently, the only case for sync=true is during
2124 * shutdown, so just stop in this case. If/when that
2125 * changes, we need to be a bit smarter here.
2126 */
2127 return;
2128 }
2129
2130 /*
2131 * If the firmware crashes while we're already considering it
2132 * to be dead then don't ask for a restart, that cannot do
2133 * anything useful anyway.
2134 */
2135 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status))
2136 return;
2137
2138 iwl_mvm_nic_restart(mvm, false);
2139 }
2140
2141 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
2142 {
2143 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2144
2145 WARN_ON(1);
2146 iwl_mvm_nic_restart(mvm, true);
2147 }
2148
2149 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode,
2150 enum iwl_fw_ini_time_point tp_id,
2151 union iwl_dbg_tlv_tp_data *tp_data)
2152 {
2153 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2154
2155 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data);
2156 }
2157
2158 #ifdef CONFIG_PM_SLEEP
2159 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode)
2160 {
2161 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2162
2163 mutex_lock(&mvm->mutex);
2164 clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status);
2165 mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED;
2166 iwl_mvm_stop_device(mvm);
2167 mvm->fast_resume = false;
2168 mutex_unlock(&mvm->mutex);
2169 }
2170 #else
2171 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode)
2172 {}
2173 #endif
2174
2175 #define IWL_MVM_COMMON_OPS \
2176 /* these could be differentiated */ \
2177 .queue_full = iwl_mvm_stop_sw_queue, \
2178 .queue_not_full = iwl_mvm_wake_sw_queue, \
2179 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
2180 .free_skb = iwl_mvm_free_skb, \
2181 .nic_error = iwl_mvm_nic_error, \
2182 .cmd_queue_full = iwl_mvm_cmd_queue_full, \
2183 .nic_config = iwl_mvm_nic_config, \
2184 /* as we only register one, these MUST be common! */ \
2185 .start = iwl_op_mode_mvm_start, \
2186 .stop = iwl_op_mode_mvm_stop, \
2187 .time_point = iwl_op_mode_mvm_time_point, \
2188 .device_powered_off = iwl_op_mode_mvm_device_powered_off
2189
2190 static const struct iwl_op_mode_ops iwl_mvm_ops = {
2191 IWL_MVM_COMMON_OPS,
2192 .rx = iwl_mvm_rx,
2193 };
2194
2195 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
2196 struct napi_struct *napi,
2197 struct iwl_rx_cmd_buffer *rxb,
2198 unsigned int queue)
2199 {
2200 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2201 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2202 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
2203
2204 if (unlikely(queue >= mvm->trans->num_rx_queues))
2205 return;
2206
2207 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
2208 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
2209 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
2210 RX_QUEUES_NOTIFICATION)))
2211 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
2212 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
2213 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
2214 }
2215
2216 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
2217 IWL_MVM_COMMON_OPS,
2218 .rx = iwl_mvm_rx_mq,
2219 .rx_rss = iwl_mvm_rx_mq_rss,
2220 };
Linux Kernel