1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3 * Copyright (C) 2012-2014, 2018-2025 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 */
iwl_mvm_init(void)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 iwl_mvm_rate_control_unregister();
67 }
68
69 return ret;
70 }
71 module_init(iwl_mvm_init);
72
iwl_mvm_exit(void)73 static void __exit iwl_mvm_exit(void)
74 {
75 iwl_opmode_deregister("iwlmvm");
76 iwl_mvm_rate_control_unregister();
77 }
78 module_exit(iwl_mvm_exit);
79
iwl_mvm_nic_config(struct iwl_op_mode * op_mode)80 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
81 {
82 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
83 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
84 u32 reg_val;
85 u32 phy_config = iwl_mvm_get_phy_config(mvm);
86
87 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
88 FW_PHY_CFG_RADIO_TYPE_POS;
89 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
90 FW_PHY_CFG_RADIO_STEP_POS;
91 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
92 FW_PHY_CFG_RADIO_DASH_POS;
93
94 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
95 radio_cfg_step, radio_cfg_dash);
96
97 if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
98 return;
99
100 /* SKU control */
101 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->info.hw_rev);
102
103 /* radio configuration */
104 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
105 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
106 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
107
108 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
109 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
110
111 /*
112 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
113 * sampling, and shouldn't be set to any non-zero value.
114 * The same is supposed to be true of the other HW, but unsetting
115 * them (such as the 7260) causes automatic tests to fail on seemingly
116 * unrelated errors. Need to further investigate this, but for now
117 * we'll separate cases.
118 */
119 if (mvm->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_8000)
120 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
121
122 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt))
123 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
124
125 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
126 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH |
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 /*
136 * W/A : NIC is stuck in a reset state after Early PCIe power off
137 * (PCIe power is lost before PERST# is asserted), causing ME FW
138 * to lose ownership and not being able to obtain it back.
139 */
140 if (!mvm->trans->mac_cfg->base->apmg_not_supported)
141 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
142 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
143 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
144 }
145
iwl_mvm_rx_esr_mode_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)146 static void iwl_mvm_rx_esr_mode_notif(struct iwl_mvm *mvm,
147 struct iwl_rx_cmd_buffer *rxb)
148 {
149 struct iwl_rx_packet *pkt = rxb_addr(rxb);
150 struct iwl_esr_mode_notif *notif = (void *)pkt->data;
151 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm);
152
153 /* FW recommendations is only for entering EMLSR */
154 if (IS_ERR_OR_NULL(vif) || iwl_mvm_vif_from_mac80211(vif)->esr_active)
155 return;
156
157 if (le32_to_cpu(notif->action) == ESR_RECOMMEND_ENTER)
158 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW);
159 else
160 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW,
161 iwl_mvm_get_primary_link(vif));
162 }
163
iwl_mvm_rx_monitor_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)164 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm,
165 struct iwl_rx_cmd_buffer *rxb)
166 {
167 struct iwl_rx_packet *pkt = rxb_addr(rxb);
168 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data;
169 struct ieee80211_supported_band *sband;
170 const struct ieee80211_sta_he_cap *he_cap;
171 struct ieee80211_vif *vif;
172
173 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA))
174 return;
175
176 /* FIXME: should fetch the link and not the vif */
177 vif = iwl_mvm_get_vif_by_macid(mvm, notif->link_id);
178 if (!vif || vif->type != NL80211_IFTYPE_STATION)
179 return;
180
181 if (!vif->bss_conf.chanreq.oper.chan ||
182 vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ ||
183 vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40)
184 return;
185
186 if (!vif->cfg.assoc)
187 return;
188
189 /* this shouldn't happen *again*, ignore it */
190 if (mvm->cca_40mhz_workaround)
191 return;
192
193 /*
194 * We'll decrement this on disconnect - so set to 2 since we'll
195 * still have to disconnect from the current AP first.
196 */
197 mvm->cca_40mhz_workaround = 2;
198
199 /*
200 * This capability manipulation isn't really ideal, but it's the
201 * easiest choice - otherwise we'd have to do some major changes
202 * in mac80211 to support this, which isn't worth it. This does
203 * mean that userspace may have outdated information, but that's
204 * actually not an issue at all.
205 */
206 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
207
208 WARN_ON(!sband->ht_cap.ht_supported);
209 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40));
210 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
211
212 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif);
213
214 if (he_cap) {
215 /* we know that ours is writable */
216 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap;
217
218 WARN_ON(!he->has_he);
219 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] &
220 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G));
221 he->he_cap_elem.phy_cap_info[0] &=
222 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
223 }
224
225 ieee80211_disconnect(vif, true);
226 }
227
iwl_mvm_update_link_smps(struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)228 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif,
229 struct ieee80211_bss_conf *link_conf)
230 {
231 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
232 struct iwl_mvm *mvm = mvmvif->mvm;
233 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC;
234
235 if (!link_conf)
236 return;
237
238 if (mvm->fw_static_smps_request &&
239 link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 &&
240 link_conf->he_support)
241 mode = IEEE80211_SMPS_STATIC;
242
243 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode,
244 link_conf->link_id);
245 }
246
iwl_mvm_intf_dual_chain_req(void * data,u8 * mac,struct ieee80211_vif * vif)247 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac,
248 struct ieee80211_vif *vif)
249 {
250 struct ieee80211_bss_conf *link_conf;
251 unsigned int link_id;
252
253 rcu_read_lock();
254
255 for_each_vif_active_link(vif, link_conf, link_id)
256 iwl_mvm_update_link_smps(vif, link_conf);
257
258 rcu_read_unlock();
259 }
260
iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)261 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm,
262 struct iwl_rx_cmd_buffer *rxb)
263 {
264 struct iwl_rx_packet *pkt = rxb_addr(rxb);
265 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data;
266
267 /* firmware is expected to handle that in RLC offload mode */
268 if (IWL_FW_CHECK(mvm, iwl_mvm_has_rlc_offload(mvm),
269 "Got THERMAL_DUAL_CHAIN_REQUEST (0x%x) in RLC offload mode\n",
270 req->event))
271 return;
272
273 /*
274 * We could pass it to the iterator data, but also need to remember
275 * it for new interfaces that are added while in this state.
276 */
277 mvm->fw_static_smps_request =
278 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE);
279 ieee80211_iterate_interfaces(mvm->hw,
280 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER,
281 iwl_mvm_intf_dual_chain_req, NULL);
282 }
283
284 /**
285 * enum iwl_rx_handler_context: context for Rx handler
286 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
287 * which can't acquire mvm->mutex.
288 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
289 * (and only in this case!), it should be set as ASYNC. In that case,
290 * it will be called from a worker with mvm->mutex held.
291 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
292 * mutex itself, it will be called from a worker without mvm->mutex held.
293 * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock
294 * and mvm->mutex. Will be handled with the wiphy_work queue infra
295 * instead of regular work queue.
296 */
297 enum iwl_rx_handler_context {
298 RX_HANDLER_SYNC,
299 RX_HANDLER_ASYNC_LOCKED,
300 RX_HANDLER_ASYNC_UNLOCKED,
301 RX_HANDLER_ASYNC_LOCKED_WIPHY,
302 };
303
304 /**
305 * struct iwl_rx_handlers: handler for FW notification
306 * @cmd_id: command id
307 * @min_size: minimum size to expect for the notification
308 * @context: see &iwl_rx_handler_context
309 * @fn: the function is called when notification is received
310 */
311 struct iwl_rx_handlers {
312 u16 cmd_id, min_size;
313 enum iwl_rx_handler_context context;
314 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
315 };
316
317 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \
318 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, }
319 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \
320 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, }
321 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \
322 { .cmd_id = _cmd_id, .fn = _fn, \
323 .context = _context, .min_size = sizeof(_struct), }
324 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \
325 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \
326 .context = _context, .min_size = sizeof(_struct), }
327
328 /*
329 * Handlers for fw notifications
330 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
331 * This list should be in order of frequency for performance purposes.
332 *
333 * The handler can be one from three contexts, see &iwl_rx_handler_context
334 */
335 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
336 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC,
337 struct iwl_tx_resp),
338 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC,
339 struct iwl_mvm_ba_notif),
340
341 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
342 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC,
343 struct iwl_tlc_update_notif),
344
345 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_old_notif,
346 RX_HANDLER_ASYNC_LOCKED_WIPHY,
347 struct iwl_bt_coex_prof_old_notif),
348 RX_HANDLER_GRP(BT_COEX_GROUP, PROFILE_NOTIF, iwl_mvm_rx_bt_coex_notif,
349 RX_HANDLER_ASYNC_LOCKED_WIPHY,
350 struct iwl_bt_coex_profile_notif),
351 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
352 RX_HANDLER_ASYNC_LOCKED),
353 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
354 RX_HANDLER_ASYNC_LOCKED),
355
356 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF,
357 iwl_mvm_handle_rx_system_oper_stats,
358 RX_HANDLER_ASYNC_LOCKED_WIPHY,
359 struct iwl_system_statistics_notif_oper),
360 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF,
361 iwl_mvm_handle_rx_system_oper_part1_stats,
362 RX_HANDLER_ASYNC_LOCKED,
363 struct iwl_system_statistics_part1_notif_oper),
364 RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF,
365 iwl_mvm_handle_rx_system_end_stats_notif,
366 RX_HANDLER_ASYNC_LOCKED,
367 struct iwl_system_statistics_end_notif),
368
369 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
370 iwl_mvm_window_status_notif, RX_HANDLER_SYNC,
371 struct iwl_ba_window_status_notif),
372
373 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
374 RX_HANDLER_SYNC, struct iwl_time_event_notif),
375 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
376 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC,
377 struct iwl_session_prot_notif),
378 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
379 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif),
380
381 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC,
382 struct iwl_mvm_eosp_notification),
383
384 RX_HANDLER(SCAN_ITERATION_COMPLETE,
385 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC,
386 struct iwl_lmac_scan_complete_notif),
387 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
388 iwl_mvm_rx_lmac_scan_complete_notif,
389 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete),
390 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION,
391 iwl_mvm_rx_scan_match_found,
392 RX_HANDLER_SYNC),
393 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
394 RX_HANDLER_ASYNC_LOCKED,
395 struct iwl_umac_scan_complete),
396 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
397 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC,
398 struct iwl_umac_scan_iter_complete_notif),
399
400 RX_HANDLER(MISSED_BEACONS_NOTIFICATION,
401 iwl_mvm_rx_missed_beacons_notif_legacy,
402 RX_HANDLER_ASYNC_LOCKED_WIPHY,
403 struct iwl_missed_beacons_notif_v4),
404
405 RX_HANDLER_GRP(MAC_CONF_GROUP, MISSED_BEACONS_NOTIF,
406 iwl_mvm_rx_missed_beacons_notif,
407 RX_HANDLER_ASYNC_LOCKED_WIPHY,
408 struct iwl_missed_beacons_notif),
409 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC,
410 struct iwl_error_resp),
411 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
412 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC,
413 struct iwl_uapsd_misbehaving_ap_notif),
414 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
415 RX_HANDLER_ASYNC_LOCKED),
416 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
417 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
418 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
419 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC,
420 struct ct_kill_notif),
421
422 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
423 RX_HANDLER_ASYNC_LOCKED,
424 struct iwl_tdls_channel_switch_notif),
425 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
426 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1),
427 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
428 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED,
429 struct iwl_ftm_responder_stats),
430
431 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
432 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
433 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF,
434 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
435
436 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
437 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC,
438 struct iwl_mfu_assert_dump_notif),
439 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
440 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC,
441 struct iwl_stored_beacon_notif_v2),
442 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
443 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC,
444 struct iwl_mu_group_mgmt_notif),
445 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
446 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC,
447 struct iwl_mvm_pm_state_notification),
448 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF,
449 iwl_mvm_probe_resp_data_notif,
450 RX_HANDLER_ASYNC_LOCKED,
451 struct iwl_probe_resp_data_notif),
452 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF,
453 iwl_mvm_channel_switch_start_notif,
454 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif),
455 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF,
456 iwl_mvm_channel_switch_error_notif,
457 RX_HANDLER_ASYNC_UNLOCKED,
458 struct iwl_channel_switch_error_notif),
459
460 RX_HANDLER_GRP(DATA_PATH_GROUP, ESR_MODE_NOTIF,
461 iwl_mvm_rx_esr_mode_notif,
462 RX_HANDLER_ASYNC_LOCKED_WIPHY,
463 struct iwl_esr_mode_notif),
464
465 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF,
466 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED,
467 struct iwl_datapath_monitor_notif),
468
469 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST,
470 iwl_mvm_rx_thermal_dual_chain_req,
471 RX_HANDLER_ASYNC_LOCKED,
472 struct iwl_thermal_dual_chain_request),
473
474 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF,
475 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED,
476 struct iwl_rfi_deactivate_notif),
477
478 RX_HANDLER_GRP(LEGACY_GROUP,
479 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION,
480 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC,
481 struct iwl_time_msmt_notify),
482 RX_HANDLER_GRP(LEGACY_GROUP,
483 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION,
484 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC,
485 struct iwl_time_msmt_cfm_notify),
486 RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF,
487 iwl_mvm_rx_roc_notif, RX_HANDLER_ASYNC_LOCKED,
488 struct iwl_roc_notif),
489 RX_HANDLER_GRP(SCAN_GROUP, CHANNEL_SURVEY_NOTIF,
490 iwl_mvm_rx_channel_survey_notif, RX_HANDLER_ASYNC_LOCKED,
491 struct iwl_umac_scan_channel_survey_notif),
492 RX_HANDLER_GRP(DATA_PATH_GROUP, BEACON_FILTER_IN_NOTIF,
493 iwl_mvm_rx_beacon_filter_notif,
494 RX_HANDLER_ASYNC_LOCKED,
495 /* same size as v1 */
496 struct iwl_beacon_filter_notif),
497 };
498 #undef RX_HANDLER
499 #undef RX_HANDLER_GRP
500
501 /* Please keep this array *SORTED* by hex value.
502 * Access is done through binary search
503 */
504 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
505 HCMD_NAME(UCODE_ALIVE_NTFY),
506 HCMD_NAME(REPLY_ERROR),
507 HCMD_NAME(ECHO_CMD),
508 HCMD_NAME(INIT_COMPLETE_NOTIF),
509 HCMD_NAME(PHY_CONTEXT_CMD),
510 HCMD_NAME(DBG_CFG),
511 HCMD_NAME(SCAN_CFG_CMD),
512 HCMD_NAME(SCAN_REQ_UMAC),
513 HCMD_NAME(SCAN_ABORT_UMAC),
514 HCMD_NAME(SCAN_COMPLETE_UMAC),
515 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
516 HCMD_NAME(ADD_STA_KEY),
517 HCMD_NAME(ADD_STA),
518 HCMD_NAME(REMOVE_STA),
519 HCMD_NAME(TX_CMD),
520 HCMD_NAME(SCD_QUEUE_CFG),
521 HCMD_NAME(TXPATH_FLUSH),
522 HCMD_NAME(MGMT_MCAST_KEY),
523 HCMD_NAME(WEP_KEY),
524 HCMD_NAME(SHARED_MEM_CFG),
525 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
526 HCMD_NAME(MAC_CONTEXT_CMD),
527 HCMD_NAME(TIME_EVENT_CMD),
528 HCMD_NAME(TIME_EVENT_NOTIFICATION),
529 HCMD_NAME(BINDING_CONTEXT_CMD),
530 HCMD_NAME(TIME_QUOTA_CMD),
531 HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
532 HCMD_NAME(LEDS_CMD),
533 HCMD_NAME(LQ_CMD),
534 HCMD_NAME(FW_PAGING_BLOCK_CMD),
535 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
536 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
537 HCMD_NAME(HOT_SPOT_CMD),
538 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
539 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
540 HCMD_NAME(BT_COEX_CI),
541 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION),
542 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION),
543 HCMD_NAME(PHY_CONFIGURATION_CMD),
544 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
545 HCMD_NAME(PHY_DB_CMD),
546 HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
547 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
548 HCMD_NAME(POWER_TABLE_CMD),
549 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
550 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
551 HCMD_NAME(NVM_ACCESS_CMD),
552 HCMD_NAME(BEACON_NOTIFICATION),
553 HCMD_NAME(BEACON_TEMPLATE_CMD),
554 HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
555 HCMD_NAME(BT_CONFIG),
556 HCMD_NAME(STATISTICS_CMD),
557 HCMD_NAME(STATISTICS_NOTIFICATION),
558 HCMD_NAME(EOSP_NOTIFICATION),
559 HCMD_NAME(REDUCE_TX_POWER_CMD),
560 HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
561 HCMD_NAME(TDLS_CONFIG_CMD),
562 HCMD_NAME(MAC_PM_POWER_TABLE),
563 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
564 HCMD_NAME(MFUART_LOAD_NOTIFICATION),
565 HCMD_NAME(RSS_CONFIG_CMD),
566 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
567 HCMD_NAME(REPLY_RX_PHY_CMD),
568 HCMD_NAME(REPLY_RX_MPDU_CMD),
569 HCMD_NAME(BAR_FRAME_RELEASE),
570 HCMD_NAME(FRAME_RELEASE),
571 HCMD_NAME(BA_NOTIF),
572 HCMD_NAME(MCC_UPDATE_CMD),
573 HCMD_NAME(MCC_CHUB_UPDATE_CMD),
574 HCMD_NAME(MARKER_CMD),
575 HCMD_NAME(BT_PROFILE_NOTIFICATION),
576 HCMD_NAME(MCAST_FILTER_CMD),
577 HCMD_NAME(REPLY_SF_CFG_CMD),
578 HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
579 HCMD_NAME(D3_CONFIG_CMD),
580 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
581 HCMD_NAME(MATCH_FOUND_NOTIFICATION),
582 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
583 HCMD_NAME(WOWLAN_PATTERNS),
584 HCMD_NAME(WOWLAN_CONFIGURATION),
585 HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
586 HCMD_NAME(WOWLAN_TKIP_PARAM),
587 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
588 HCMD_NAME(WOWLAN_GET_STATUSES),
589 HCMD_NAME(SCAN_ITERATION_COMPLETE),
590 HCMD_NAME(D0I3_END_CMD),
591 HCMD_NAME(LTR_CONFIG),
592 HCMD_NAME(LDBG_CONFIG_CMD),
593 HCMD_NAME(DEBUG_LOG_MSG),
594 };
595
596 /* Please keep this array *SORTED* by hex value.
597 * Access is done through binary search
598 */
599 static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
600 HCMD_NAME(SHARED_MEM_CFG_CMD),
601 HCMD_NAME(SOC_CONFIGURATION_CMD),
602 HCMD_NAME(INIT_EXTENDED_CFG_CMD),
603 HCMD_NAME(FW_ERROR_RECOVERY_CMD),
604 HCMD_NAME(RFI_CONFIG_CMD),
605 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD),
606 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD),
607 HCMD_NAME(SYSTEM_STATISTICS_CMD),
608 HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF),
609 HCMD_NAME(RFI_DEACTIVATE_NOTIF),
610 };
611
612 /* Please keep this array *SORTED* by hex value.
613 * Access is done through binary search
614 */
615 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
616 HCMD_NAME(LOW_LATENCY_CMD),
617 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
618 HCMD_NAME(SESSION_PROTECTION_CMD),
619 HCMD_NAME(CANCEL_CHANNEL_SWITCH_CMD),
620 HCMD_NAME(MAC_CONFIG_CMD),
621 HCMD_NAME(LINK_CONFIG_CMD),
622 HCMD_NAME(STA_CONFIG_CMD),
623 HCMD_NAME(AUX_STA_CMD),
624 HCMD_NAME(STA_REMOVE_CMD),
625 HCMD_NAME(STA_DISABLE_TX_CMD),
626 HCMD_NAME(ROC_CMD),
627 HCMD_NAME(ROC_NOTIF),
628 HCMD_NAME(CHANNEL_SWITCH_ERROR_NOTIF),
629 HCMD_NAME(MISSED_VAP_NOTIF),
630 HCMD_NAME(SESSION_PROTECTION_NOTIF),
631 HCMD_NAME(PROBE_RESPONSE_DATA_NOTIF),
632 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF),
633 };
634
635 /* Please keep this array *SORTED* by hex value.
636 * Access is done through binary search
637 */
638 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
639 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
640 HCMD_NAME(CTDP_CONFIG_CMD),
641 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
642 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD),
643 HCMD_NAME(AP_TX_POWER_CONSTRAINTS_CMD),
644 HCMD_NAME(CT_KILL_NOTIFICATION),
645 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
646 };
647
648 /* Please keep this array *SORTED* by hex value.
649 * Access is done through binary search
650 */
651 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
652 HCMD_NAME(DQA_ENABLE_CMD),
653 HCMD_NAME(UPDATE_MU_GROUPS_CMD),
654 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
655 HCMD_NAME(WNM_PLATFORM_PTM_REQUEST_CMD),
656 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD),
657 HCMD_NAME(STA_HE_CTXT_CMD),
658 HCMD_NAME(RLC_CONFIG_CMD),
659 HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
660 HCMD_NAME(TLC_MNG_CONFIG_CMD),
661 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
662 HCMD_NAME(SCD_QUEUE_CONFIG_CMD),
663 HCMD_NAME(SEC_KEY_CMD),
664 HCMD_NAME(ESR_MODE_NOTIF),
665 HCMD_NAME(MONITOR_NOTIF),
666 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST),
667 HCMD_NAME(BEACON_FILTER_IN_NOTIF),
668 HCMD_NAME(STA_PM_NOTIF),
669 HCMD_NAME(MU_GROUP_MGMT_NOTIF),
670 HCMD_NAME(RX_QUEUES_NOTIFICATION),
671 };
672
673 /* Please keep this array *SORTED* by hex value.
674 * Access is done through binary search
675 */
676 static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = {
677 HCMD_NAME(STATISTICS_OPER_NOTIF),
678 HCMD_NAME(STATISTICS_OPER_PART1_NOTIF),
679 };
680
681 /* Please keep this array *SORTED* by hex value.
682 * Access is done through binary search
683 */
684 static const struct iwl_hcmd_names iwl_mvm_debug_names[] = {
685 HCMD_NAME(LMAC_RD_WR),
686 HCMD_NAME(UMAC_RD_WR),
687 HCMD_NAME(HOST_EVENT_CFG),
688 HCMD_NAME(DBGC_SUSPEND_RESUME),
689 HCMD_NAME(BUFFER_ALLOCATION),
690 HCMD_NAME(GET_TAS_STATUS),
691 HCMD_NAME(FW_DUMP_COMPLETE_CMD),
692 HCMD_NAME(FW_CLEAR_BUFFER),
693 HCMD_NAME(MFU_ASSERT_DUMP_NTF),
694 };
695
696 /* Please keep this array *SORTED* by hex value.
697 * Access is done through binary search
698 */
699 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = {
700 HCMD_NAME(CHANNEL_SURVEY_NOTIF),
701 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF),
702 };
703
704 /* Please keep this array *SORTED* by hex value.
705 * Access is done through binary search
706 */
707 static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
708 HCMD_NAME(TOF_RANGE_REQ_CMD),
709 HCMD_NAME(TOF_CONFIG_CMD),
710 HCMD_NAME(TOF_RANGE_ABORT_CMD),
711 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
712 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
713 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
714 HCMD_NAME(TOF_LC_NOTIF),
715 HCMD_NAME(TOF_RESPONDER_STATS),
716 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
717 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
718 };
719
720 /* Please keep this array *SORTED* by hex value.
721 * Access is done through binary search
722 */
723 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
724 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION),
725 HCMD_NAME(WOWLAN_INFO_NOTIFICATION),
726 HCMD_NAME(D3_END_NOTIFICATION),
727 HCMD_NAME(STORED_BEACON_NTF),
728 };
729
730 /* Please keep this array *SORTED* by hex value.
731 * Access is done through binary search
732 */
733 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
734 HCMD_NAME(NVM_ACCESS_COMPLETE),
735 HCMD_NAME(NVM_GET_INFO),
736 HCMD_NAME(TAS_CONFIG),
737 };
738
739 /* Please keep this array *SORTED* by hex value.
740 * Access is done through binary search
741 */
742 static const struct iwl_hcmd_names iwl_mvm_bt_coex_names[] = {
743 HCMD_NAME(PROFILE_NOTIF),
744 };
745
746 VISIBLE_IF_IWLWIFI_KUNIT
747 const struct iwl_hcmd_arr iwl_mvm_groups[] = {
748 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
749 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
750 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
751 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
752 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
753 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
754 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names),
755 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
756 [BT_COEX_GROUP] = HCMD_ARR(iwl_mvm_bt_coex_names),
757 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
758 [REGULATORY_AND_NVM_GROUP] =
759 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
760 [DEBUG_GROUP] = HCMD_ARR(iwl_mvm_debug_names),
761 [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names),
762 };
763 EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_mvm_groups);
764 #if IS_ENABLED(CONFIG_IWLWIFI_KUNIT_TESTS)
765 const unsigned int iwl_mvm_groups_size = ARRAY_SIZE(iwl_mvm_groups);
766 EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_mvm_groups_size);
767 #endif
768
769 /* this forward declaration can avoid to export the function */
770 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
771 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy,
772 struct wiphy_work *work);
773
iwl_mvm_min_backoff(struct iwl_mvm * mvm)774 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
775 {
776 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
777 u64 dflt_pwr_limit;
778
779 if (!backoff)
780 return 0;
781
782 iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit);
783
784 while (backoff->pwr) {
785 if (dflt_pwr_limit >= backoff->pwr)
786 return backoff->backoff;
787
788 backoff++;
789 }
790
791 return 0;
792 }
793
iwl_mvm_tx_unblock_dwork(struct work_struct * work)794 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
795 {
796 struct iwl_mvm *mvm =
797 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
798 struct ieee80211_vif *tx_blocked_vif;
799 struct iwl_mvm_vif *mvmvif;
800
801 guard(mvm)(mvm);
802
803 tx_blocked_vif =
804 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
805 lockdep_is_held(&mvm->mutex));
806
807 if (!tx_blocked_vif)
808 return;
809
810 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
811 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
812 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
813 }
814
iwl_mvm_fwrt_dump_start(void * ctx)815 static void iwl_mvm_fwrt_dump_start(void *ctx)
816 {
817 struct iwl_mvm *mvm = ctx;
818
819 mutex_lock(&mvm->mutex);
820 }
821
iwl_mvm_fwrt_dump_end(void * ctx)822 static void iwl_mvm_fwrt_dump_end(void *ctx)
823 {
824 struct iwl_mvm *mvm = ctx;
825
826 mutex_unlock(&mvm->mutex);
827 }
828
iwl_mvm_fwrt_send_hcmd(void * ctx,struct iwl_host_cmd * host_cmd)829 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
830 {
831 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
832
833 guard(mvm)(mvm);
834 return iwl_mvm_send_cmd(mvm, host_cmd);
835 }
836
iwl_mvm_d3_debug_enable(void * ctx)837 static bool iwl_mvm_d3_debug_enable(void *ctx)
838 {
839 return IWL_MVM_D3_DEBUG;
840 }
841
842 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
843 .dump_start = iwl_mvm_fwrt_dump_start,
844 .dump_end = iwl_mvm_fwrt_dump_end,
845 .send_hcmd = iwl_mvm_fwrt_send_hcmd,
846 .d3_debug_enable = iwl_mvm_d3_debug_enable,
847 };
848
iwl_mvm_start_get_nvm(struct iwl_mvm * mvm)849 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
850 {
851 struct iwl_trans *trans = mvm->trans;
852 int ret;
853
854 if (trans->csme_own) {
855 if (WARN(!mvm->mei_registered,
856 "csme is owner, but we aren't registered to iwlmei\n"))
857 goto get_nvm_from_fw;
858
859 mvm->mei_nvm_data = iwl_mei_get_nvm();
860 if (mvm->mei_nvm_data) {
861 /*
862 * mvm->mei_nvm_data is set and because of that,
863 * we'll load the NVM from the FW when we'll get
864 * ownership.
865 */
866 mvm->nvm_data =
867 iwl_parse_mei_nvm_data(trans, trans->cfg,
868 mvm->mei_nvm_data,
869 mvm->fw,
870 mvm->set_tx_ant,
871 mvm->set_rx_ant);
872 return 0;
873 }
874
875 IWL_ERR(mvm,
876 "Got a NULL NVM from CSME, trying to get it from the device\n");
877 }
878
879 get_nvm_from_fw:
880 rtnl_lock();
881 wiphy_lock(mvm->hw->wiphy);
882 mutex_lock(&mvm->mutex);
883
884 ret = iwl_trans_start_hw(mvm->trans);
885 if (ret) {
886 mutex_unlock(&mvm->mutex);
887 wiphy_unlock(mvm->hw->wiphy);
888 rtnl_unlock();
889 return ret;
890 }
891
892 ret = iwl_run_init_mvm_ucode(mvm);
893 if (ret && ret != -ERFKILL)
894 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
895 if (!ret && iwl_mvm_is_lar_supported(mvm)) {
896 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
897 ret = iwl_mvm_init_mcc(mvm);
898 }
899
900 iwl_mvm_stop_device(mvm);
901
902 mutex_unlock(&mvm->mutex);
903 wiphy_unlock(mvm->hw->wiphy);
904 rtnl_unlock();
905
906 if (ret)
907 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
908
909 /* no longer need this regardless of failure or not */
910 mvm->fw_product_reset = false;
911
912 return ret;
913 }
914
iwl_mvm_start_post_nvm(struct iwl_mvm * mvm)915 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
916 {
917 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
918 int ret;
919
920 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
921
922 ret = iwl_mvm_mac_setup_register(mvm);
923 if (ret)
924 return ret;
925
926 mvm->hw_registered = true;
927
928 iwl_mvm_dbgfs_register(mvm);
929
930 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
931 mvm->mei_rfkill_blocked,
932 RFKILL_HARD_BLOCK_NOT_OWNER);
933
934 iwl_mvm_mei_set_sw_rfkill_state(mvm);
935
936 return 0;
937 }
938
939 struct iwl_mvm_frob_txf_data {
940 u8 *buf;
941 size_t buflen;
942 };
943
iwl_mvm_frob_txf_key_iter(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key,void * data)944 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw,
945 struct ieee80211_vif *vif,
946 struct ieee80211_sta *sta,
947 struct ieee80211_key_conf *key,
948 void *data)
949 {
950 struct iwl_mvm_frob_txf_data *txf = data;
951 u8 keylen, match, matchend;
952 u8 *keydata;
953 size_t i;
954
955 switch (key->cipher) {
956 case WLAN_CIPHER_SUITE_CCMP:
957 keydata = key->key;
958 keylen = key->keylen;
959 break;
960 case WLAN_CIPHER_SUITE_WEP40:
961 case WLAN_CIPHER_SUITE_WEP104:
962 case WLAN_CIPHER_SUITE_TKIP:
963 /*
964 * WEP has short keys which might show up in the payload,
965 * and then you can deduce the key, so in this case just
966 * remove all FIFO data.
967 * For TKIP, we don't know the phase 2 keys here, so same.
968 */
969 memset(txf->buf, 0xBB, txf->buflen);
970 return;
971 default:
972 return;
973 }
974
975 /* scan for key material and clear it out */
976 match = 0;
977 for (i = 0; i < txf->buflen; i++) {
978 if (txf->buf[i] != keydata[match]) {
979 match = 0;
980 continue;
981 }
982 match++;
983 if (match == keylen) {
984 memset(txf->buf + i - keylen, 0xAA, keylen);
985 match = 0;
986 }
987 }
988
989 /* we're dealing with a FIFO, so check wrapped around data */
990 matchend = match;
991 for (i = 0; match && i < keylen - match; i++) {
992 if (txf->buf[i] != keydata[match])
993 break;
994 match++;
995 if (match == keylen) {
996 memset(txf->buf, 0xAA, i + 1);
997 memset(txf->buf + txf->buflen - matchend, 0xAA,
998 matchend);
999 break;
1000 }
1001 }
1002 }
1003
iwl_mvm_frob_txf(void * ctx,void * buf,size_t buflen)1004 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen)
1005 {
1006 struct iwl_mvm_frob_txf_data txf = {
1007 .buf = buf,
1008 .buflen = buflen,
1009 };
1010 struct iwl_mvm *mvm = ctx;
1011
1012 /* embedded key material exists only on old API */
1013 if (iwl_mvm_has_new_tx_api(mvm))
1014 return;
1015
1016 rcu_read_lock();
1017 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf);
1018 rcu_read_unlock();
1019 }
1020
iwl_mvm_frob_hcmd(void * ctx,void * hcmd,size_t len)1021 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len)
1022 {
1023 /* we only use wide headers for commands */
1024 struct iwl_cmd_header_wide *hdr = hcmd;
1025 unsigned int frob_start = sizeof(*hdr), frob_end = 0;
1026
1027 if (len < sizeof(hdr))
1028 return;
1029
1030 /* all the commands we care about are in LONG_GROUP */
1031 if (hdr->group_id != LONG_GROUP)
1032 return;
1033
1034 switch (hdr->cmd) {
1035 case WEP_KEY:
1036 case WOWLAN_TKIP_PARAM:
1037 case WOWLAN_KEK_KCK_MATERIAL:
1038 case ADD_STA_KEY:
1039 /*
1040 * blank out everything here, easier than dealing
1041 * with the various versions of the command
1042 */
1043 frob_end = INT_MAX;
1044 break;
1045 case MGMT_MCAST_KEY:
1046 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
1047 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) !=
1048 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
1049
1050 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
1051 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) <
1052 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
1053 break;
1054 }
1055
1056 if (frob_start >= frob_end)
1057 return;
1058
1059 if (frob_end > len)
1060 frob_end = len;
1061
1062 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start);
1063 }
1064
iwl_mvm_frob_mem(void * ctx,u32 mem_addr,void * mem,size_t buflen)1065 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen)
1066 {
1067 const struct iwl_dump_exclude *excl;
1068 struct iwl_mvm *mvm = ctx;
1069 int i;
1070
1071 switch (mvm->fwrt.cur_fw_img) {
1072 case IWL_UCODE_INIT:
1073 default:
1074 /* not relevant */
1075 return;
1076 case IWL_UCODE_REGULAR:
1077 case IWL_UCODE_REGULAR_USNIFFER:
1078 excl = mvm->fw->dump_excl;
1079 break;
1080 case IWL_UCODE_WOWLAN:
1081 excl = mvm->fw->dump_excl_wowlan;
1082 break;
1083 }
1084
1085 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) !=
1086 sizeof(mvm->fw->dump_excl_wowlan));
1087
1088 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) {
1089 u32 start, end;
1090
1091 if (!excl[i].addr || !excl[i].size)
1092 continue;
1093
1094 start = excl[i].addr;
1095 end = start + excl[i].size;
1096
1097 if (end <= mem_addr || start >= mem_addr + buflen)
1098 continue;
1099
1100 if (start < mem_addr)
1101 start = mem_addr;
1102
1103 if (end > mem_addr + buflen)
1104 end = mem_addr + buflen;
1105
1106 memset((u8 *)mem + start - mem_addr, 0xAA, end - start);
1107 }
1108 }
1109
1110 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = {
1111 .frob_txf = iwl_mvm_frob_txf,
1112 .frob_hcmd = iwl_mvm_frob_hcmd,
1113 .frob_mem = iwl_mvm_frob_mem,
1114 };
1115
iwl_mvm_me_conn_status(void * priv,const struct iwl_mei_conn_info * conn_info)1116 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info)
1117 {
1118 struct iwl_mvm *mvm = priv;
1119 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info;
1120
1121 /*
1122 * This is protected by the guarantee that this function will not be
1123 * called twice on two different threads
1124 */
1125 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true);
1126
1127 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL);
1128 if (!curr_conn_info)
1129 return;
1130
1131 curr_conn_info->conn_info = *conn_info;
1132
1133 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info);
1134
1135 if (prev_conn_info)
1136 kfree_rcu(prev_conn_info, rcu_head);
1137 }
1138
iwl_mvm_mei_rfkill(void * priv,bool blocked,bool csme_taking_ownership)1139 static void iwl_mvm_mei_rfkill(void *priv, bool blocked,
1140 bool csme_taking_ownership)
1141 {
1142 struct iwl_mvm *mvm = priv;
1143
1144 if (blocked && !csme_taking_ownership)
1145 return;
1146
1147 mvm->mei_rfkill_blocked = blocked;
1148 if (!mvm->hw_registered)
1149 return;
1150
1151 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
1152 mvm->mei_rfkill_blocked,
1153 RFKILL_HARD_BLOCK_NOT_OWNER);
1154 }
1155
iwl_mvm_mei_roaming_forbidden(void * priv,bool forbidden)1156 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden)
1157 {
1158 struct iwl_mvm *mvm = priv;
1159
1160 if (!mvm->hw_registered || !mvm->csme_vif)
1161 return;
1162
1163 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden);
1164 }
1165
iwl_mvm_sap_connected_wk(struct work_struct * wk)1166 static void iwl_mvm_sap_connected_wk(struct work_struct *wk)
1167 {
1168 struct iwl_mvm *mvm =
1169 container_of(wk, struct iwl_mvm, sap_connected_wk);
1170 int ret;
1171
1172 ret = iwl_mvm_start_get_nvm(mvm);
1173 if (ret)
1174 goto out_free;
1175
1176 ret = iwl_mvm_start_post_nvm(mvm);
1177 if (ret)
1178 goto out_free;
1179
1180 return;
1181
1182 out_free:
1183 IWL_ERR(mvm, "Couldn't get started...\n");
1184 iwl_mei_start_unregister();
1185 iwl_mei_unregister_complete();
1186 iwl_fw_flush_dumps(&mvm->fwrt);
1187 iwl_mvm_thermal_exit(mvm);
1188 iwl_fw_runtime_free(&mvm->fwrt);
1189 iwl_phy_db_free(mvm->phy_db);
1190 kfree(mvm->scan_cmd);
1191 iwl_trans_op_mode_leave(mvm->trans);
1192 kfree(mvm->nvm_data);
1193 kfree(mvm->mei_nvm_data);
1194
1195 ieee80211_free_hw(mvm->hw);
1196 }
1197
iwl_mvm_mei_sap_connected(void * priv)1198 static void iwl_mvm_mei_sap_connected(void *priv)
1199 {
1200 struct iwl_mvm *mvm = priv;
1201
1202 if (!mvm->hw_registered)
1203 schedule_work(&mvm->sap_connected_wk);
1204 }
1205
iwl_mvm_mei_nic_stolen(void * priv)1206 static void iwl_mvm_mei_nic_stolen(void *priv)
1207 {
1208 struct iwl_mvm *mvm = priv;
1209
1210 rtnl_lock();
1211 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy);
1212 rtnl_unlock();
1213 }
1214
1215 static const struct iwl_mei_ops mei_ops = {
1216 .me_conn_status = iwl_mvm_me_conn_status,
1217 .rfkill = iwl_mvm_mei_rfkill,
1218 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden,
1219 .sap_connected = iwl_mvm_mei_sap_connected,
1220 .nic_stolen = iwl_mvm_mei_nic_stolen,
1221 };
1222
iwl_mvm_find_link_selection_vif(void * _data,u8 * mac,struct ieee80211_vif * vif)1223 static void iwl_mvm_find_link_selection_vif(void *_data, u8 *mac,
1224 struct ieee80211_vif *vif)
1225 {
1226 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1227
1228 if (ieee80211_vif_is_mld(vif) && mvmvif->authorized)
1229 iwl_mvm_select_links(mvmvif->mvm, vif);
1230 }
1231
iwl_mvm_trig_link_selection(struct wiphy * wiphy,struct wiphy_work * wk)1232 static void iwl_mvm_trig_link_selection(struct wiphy *wiphy,
1233 struct wiphy_work *wk)
1234 {
1235 struct iwl_mvm *mvm =
1236 container_of(wk, struct iwl_mvm, trig_link_selection_wk);
1237
1238 mutex_lock(&mvm->mutex);
1239 ieee80211_iterate_active_interfaces(mvm->hw,
1240 IEEE80211_IFACE_ITER_NORMAL,
1241 iwl_mvm_find_link_selection_vif,
1242 NULL);
1243 mutex_unlock(&mvm->mutex);
1244 }
1245
1246 static struct iwl_op_mode *
iwl_op_mode_mvm_start(struct iwl_trans * trans,const struct iwl_rf_cfg * cfg,const struct iwl_fw * fw,struct dentry * dbgfs_dir)1247 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_rf_cfg *cfg,
1248 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
1249 {
1250 struct ieee80211_hw *hw;
1251 struct iwl_op_mode *op_mode;
1252 struct iwl_mvm *mvm;
1253 static const u8 no_reclaim_cmds[] = {
1254 TX_CMD,
1255 };
1256 u32 max_agg;
1257 size_t scan_size;
1258 u32 min_backoff;
1259 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
1260 int ratecheck;
1261 int err;
1262
1263 /*
1264 * We use IWL_STATION_COUNT_MAX to check the validity of the station
1265 * index all over the driver - check that its value corresponds to the
1266 * array size.
1267 */
1268 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) !=
1269 IWL_STATION_COUNT_MAX);
1270
1271 /********************************
1272 * 1. Allocating and configuring HW data
1273 ********************************/
1274 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
1275 sizeof(struct iwl_mvm),
1276 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops :
1277 &iwl_mvm_hw_ops);
1278 if (!hw)
1279 return ERR_PTR(-ENOMEM);
1280
1281 if (trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)
1282 max_agg = 512;
1283 else
1284 max_agg = IEEE80211_MAX_AMPDU_BUF_HE;
1285
1286 hw->max_rx_aggregation_subframes = max_agg;
1287
1288 op_mode = hw->priv;
1289
1290 mvm = IWL_OP_MODE_GET_MVM(op_mode);
1291 mvm->dev = trans->dev;
1292 mvm->trans = trans;
1293 mvm->cfg = cfg;
1294 mvm->fw = fw;
1295 mvm->hw = hw;
1296
1297 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
1298 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir);
1299
1300 iwl_mvm_get_bios_tables(mvm);
1301 iwl_uefi_get_sgom_table(trans, &mvm->fwrt);
1302 iwl_uefi_get_step_table(trans);
1303 iwl_bios_setup_step(trans, &mvm->fwrt);
1304
1305 mvm->init_status = 0;
1306
1307 /* start with v1 rates */
1308 mvm->fw_rates_ver = 1;
1309
1310 /* check for rates version 2 */
1311 ratecheck =
1312 (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 8) +
1313 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
1314 TLC_MNG_UPDATE_NOTIF, 0) >= 3) +
1315 (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
1316 REPLY_RX_MPDU_CMD, 0) >= 4) +
1317 (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 6);
1318 if (ratecheck != 0 && ratecheck != 4) {
1319 IWL_ERR(mvm, "Firmware has inconsistent rates\n");
1320 err = -EINVAL;
1321 goto out_free;
1322 }
1323 if (ratecheck == 4)
1324 mvm->fw_rates_ver = 2;
1325
1326 /* check for rates version 3 */
1327 ratecheck =
1328 (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 11) +
1329 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
1330 TLC_MNG_UPDATE_NOTIF, 0) >= 4) +
1331 (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
1332 REPLY_RX_MPDU_CMD, 0) >= 6) +
1333 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
1334 RX_NO_DATA_NOTIF, 0) >= 4) +
1335 (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 9);
1336 if (ratecheck != 0 && ratecheck != 5) {
1337 IWL_ERR(mvm, "Firmware has inconsistent rates\n");
1338 err = -EINVAL;
1339 goto out_free;
1340 }
1341 if (ratecheck == 5)
1342 mvm->fw_rates_ver = 3;
1343
1344 trans->conf.rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
1345
1346 if (iwl_mvm_has_new_rx_api(mvm)) {
1347 op_mode->ops = &iwl_mvm_ops_mq;
1348 trans->conf.rx_mpdu_cmd_hdr_size =
1349 (trans->mac_cfg->device_family >=
1350 IWL_DEVICE_FAMILY_AX210) ?
1351 sizeof(struct iwl_rx_mpdu_desc) :
1352 IWL_RX_DESC_SIZE_V1;
1353 } else {
1354 op_mode->ops = &iwl_mvm_ops;
1355 trans->conf.rx_mpdu_cmd_hdr_size =
1356 sizeof(struct iwl_rx_mpdu_res_start);
1357
1358 if (WARN_ON(trans->info.num_rxqs > 1)) {
1359 err = -EINVAL;
1360 goto out_free;
1361 }
1362 }
1363
1364 if (iwl_mvm_has_new_tx_api(mvm)) {
1365 /*
1366 * If we have the new TX/queue allocation API initialize them
1367 * all to invalid numbers. We'll rewrite the ones that we need
1368 * later, but that doesn't happen for all of them all of the
1369 * time (e.g. P2P Device is optional), and if a dynamic queue
1370 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then
1371 * iwl_mvm_is_static_queue() erroneously returns true, and we
1372 * might have things getting stuck.
1373 */
1374 mvm->aux_queue = IWL_MVM_INVALID_QUEUE;
1375 mvm->snif_queue = IWL_MVM_INVALID_QUEUE;
1376 mvm->probe_queue = IWL_MVM_INVALID_QUEUE;
1377 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE;
1378 } else {
1379 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
1380 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
1381 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
1382 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
1383 }
1384
1385 mvm->sf_state = SF_UNINIT;
1386 if (iwl_mvm_has_unified_ucode(mvm))
1387 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
1388 else
1389 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
1390 mvm->drop_bcn_ap_mode = true;
1391
1392 mutex_init(&mvm->mutex);
1393 spin_lock_init(&mvm->async_handlers_lock);
1394 INIT_LIST_HEAD(&mvm->time_event_list);
1395 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
1396 INIT_LIST_HEAD(&mvm->async_handlers_list);
1397 spin_lock_init(&mvm->time_event_lock);
1398 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
1399 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list);
1400 INIT_LIST_HEAD(&mvm->resp_pasn_list);
1401
1402 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
1403 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
1404 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk);
1405 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
1406 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
1407 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
1408 INIT_LIST_HEAD(&mvm->add_stream_txqs);
1409 spin_lock_init(&mvm->add_stream_lock);
1410
1411 wiphy_work_init(&mvm->async_handlers_wiphy_wk,
1412 iwl_mvm_async_handlers_wiphy_wk);
1413
1414 wiphy_work_init(&mvm->trig_link_selection_wk,
1415 iwl_mvm_trig_link_selection);
1416
1417 init_waitqueue_head(&mvm->rx_sync_waitq);
1418
1419 mvm->queue_sync_state = 0;
1420
1421 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
1422
1423 spin_lock_init(&mvm->tcm.lock);
1424 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
1425 mvm->tcm.ts = jiffies;
1426 mvm->tcm.ll_ts = jiffies;
1427 mvm->tcm.uapsd_nonagg_ts = jiffies;
1428
1429 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
1430
1431 mvm->cmd_ver.range_resp =
1432 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP,
1433 TOF_RANGE_RESPONSE_NOTIF, 5);
1434 /* we only support up to version 9 */
1435 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9)) {
1436 err = -EINVAL;
1437 goto out_free;
1438 }
1439
1440 /*
1441 * Populate the state variables that the transport layer needs
1442 * to know about.
1443 */
1444 BUILD_BUG_ON(sizeof(no_reclaim_cmds) >
1445 sizeof(trans->conf.no_reclaim_cmds));
1446 memcpy(trans->conf.no_reclaim_cmds, no_reclaim_cmds,
1447 sizeof(no_reclaim_cmds));
1448 trans->conf.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
1449
1450 trans->conf.rx_buf_size = iwl_amsdu_size_to_rxb_size();
1451
1452 trans->conf.wide_cmd_header = true;
1453
1454 trans->conf.command_groups = iwl_mvm_groups;
1455 trans->conf.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
1456
1457 trans->conf.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
1458 trans->conf.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
1459 trans->conf.scd_set_active = true;
1460
1461 trans->conf.cb_data_offs = offsetof(struct ieee80211_tx_info,
1462 driver_data[2]);
1463
1464 snprintf(mvm->hw->wiphy->fw_version,
1465 sizeof(mvm->hw->wiphy->fw_version),
1466 "%.31s", fw->fw_version);
1467
1468 trans->conf.fw_reset_handshake =
1469 fw_has_capa(&mvm->fw->ucode_capa,
1470 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);
1471
1472 trans->conf.queue_alloc_cmd_ver =
1473 iwl_fw_lookup_cmd_ver(mvm->fw,
1474 WIDE_ID(DATA_PATH_GROUP,
1475 SCD_QUEUE_CONFIG_CMD),
1476 0);
1477 mvm->sta_remove_requires_queue_remove =
1478 trans->conf.queue_alloc_cmd_ver > 0;
1479
1480 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw);
1481
1482 /* Configure transport layer */
1483 iwl_trans_op_mode_enter(mvm->trans, op_mode);
1484
1485 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
1486 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
1487
1488 /* set up notification wait support */
1489 iwl_notification_wait_init(&mvm->notif_wait);
1490
1491 /* Init phy db */
1492 mvm->phy_db = iwl_phy_db_init(trans);
1493 if (!mvm->phy_db) {
1494 IWL_ERR(mvm, "Cannot init phy_db\n");
1495 err = -ENOMEM;
1496 goto out_free;
1497 }
1498
1499 if (iwlwifi_mod_params.nvm_file)
1500 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
1501 else
1502 IWL_DEBUG_EEPROM(mvm->trans->dev,
1503 "working without external nvm file\n");
1504
1505 scan_size = iwl_mvm_scan_size(mvm);
1506
1507 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
1508 if (!mvm->scan_cmd) {
1509 err = -ENOMEM;
1510 goto out_free;
1511 }
1512 mvm->scan_cmd_size = scan_size;
1513
1514 /* invalidate ids to prevent accidental removal of sta_id 0 */
1515 mvm->aux_sta.sta_id = IWL_INVALID_STA;
1516 mvm->snif_sta.sta_id = IWL_INVALID_STA;
1517
1518 /* Set EBS as successful as long as not stated otherwise by the FW. */
1519 mvm->last_ebs_successful = true;
1520
1521 min_backoff = iwl_mvm_min_backoff(mvm);
1522 iwl_mvm_thermal_initialize(mvm, min_backoff);
1523
1524 if (!iwl_mvm_has_new_rx_stats_api(mvm))
1525 memset(&mvm->rx_stats_v3, 0,
1526 sizeof(struct mvm_statistics_rx_v3));
1527 else
1528 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
1529
1530 iwl_mvm_ftm_initiator_smooth_config(mvm);
1531
1532 iwl_mvm_init_time_sync(&mvm->time_sync);
1533
1534 mvm->debugfs_dir = dbgfs_dir;
1535
1536 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops);
1537
1538 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter);
1539
1540 err = iwl_mvm_start_get_nvm(mvm);
1541 if (err) {
1542 /*
1543 * Getting NVM failed while CSME is the owner, but we are
1544 * registered to MEI, we'll get the NVM later when it'll be
1545 * possible to get it from CSME.
1546 */
1547 if (trans->csme_own && mvm->mei_registered)
1548 return op_mode;
1549
1550 goto out_thermal_exit;
1551 }
1552
1553
1554 err = iwl_mvm_start_post_nvm(mvm);
1555 if (err)
1556 goto out_thermal_exit;
1557
1558 return op_mode;
1559
1560 out_thermal_exit:
1561 iwl_mvm_thermal_exit(mvm);
1562 if (mvm->mei_registered) {
1563 iwl_mei_start_unregister();
1564 iwl_mei_unregister_complete();
1565 }
1566 out_free:
1567 iwl_fw_flush_dumps(&mvm->fwrt);
1568 iwl_fw_runtime_free(&mvm->fwrt);
1569
1570 iwl_phy_db_free(mvm->phy_db);
1571 kfree(mvm->scan_cmd);
1572 iwl_trans_op_mode_leave(trans);
1573
1574 ieee80211_free_hw(mvm->hw);
1575 return ERR_PTR(err);
1576 }
1577
iwl_mvm_stop_device(struct iwl_mvm * mvm)1578 void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1579 {
1580 lockdep_assert_held(&mvm->mutex);
1581
1582 iwl_fw_cancel_timestamp(&mvm->fwrt);
1583
1584 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1585
1586 iwl_mvm_pause_tcm(mvm, false);
1587
1588 iwl_fw_dbg_stop_sync(&mvm->fwrt);
1589 iwl_trans_stop_device(mvm->trans);
1590 iwl_free_fw_paging(&mvm->fwrt);
1591 iwl_fw_dump_conf_clear(&mvm->fwrt);
1592 iwl_mvm_mei_device_state(mvm, false);
1593 }
1594
iwl_op_mode_mvm_stop(struct iwl_op_mode * op_mode)1595 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
1596 {
1597 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1598 int i;
1599
1600 if (mvm->mei_registered) {
1601 rtnl_lock();
1602 iwl_mei_set_netdev(NULL);
1603 rtnl_unlock();
1604 iwl_mei_start_unregister();
1605 }
1606
1607 /*
1608 * After we unregister from mei, the worker can't be scheduled
1609 * anymore.
1610 */
1611 cancel_work_sync(&mvm->sap_connected_wk);
1612
1613 iwl_mvm_leds_exit(mvm);
1614
1615 iwl_mvm_thermal_exit(mvm);
1616
1617 /*
1618 * If we couldn't get ownership on the device and we couldn't
1619 * get the NVM from CSME, we haven't registered to mac80211.
1620 * In that case, we didn't fail op_mode_start, because we are
1621 * waiting for CSME to allow us to get the NVM to register to
1622 * mac80211. If that didn't happen, we haven't registered to
1623 * mac80211, hence the if below.
1624 */
1625 if (mvm->hw_registered)
1626 ieee80211_unregister_hw(mvm->hw);
1627
1628 kfree(mvm->scan_cmd);
1629 kfree(mvm->mcast_filter_cmd);
1630 mvm->mcast_filter_cmd = NULL;
1631
1632 kfree(mvm->error_recovery_buf);
1633 mvm->error_recovery_buf = NULL;
1634
1635 iwl_mvm_ptp_remove(mvm);
1636
1637 iwl_trans_op_mode_leave(mvm->trans);
1638
1639 iwl_phy_db_free(mvm->phy_db);
1640 mvm->phy_db = NULL;
1641
1642 kfree(mvm->nvm_data);
1643 kfree(mvm->mei_nvm_data);
1644 kfree(rcu_access_pointer(mvm->csme_conn_info));
1645 kfree(mvm->temp_nvm_data);
1646 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
1647 kfree(mvm->nvm_sections[i].data);
1648 kfree(mvm->acs_survey);
1649
1650 cancel_delayed_work_sync(&mvm->tcm.work);
1651
1652 iwl_fw_runtime_free(&mvm->fwrt);
1653 mutex_destroy(&mvm->mutex);
1654
1655 if (mvm->mei_registered)
1656 iwl_mei_unregister_complete();
1657
1658 ieee80211_free_hw(mvm->hw);
1659 }
1660
1661 struct iwl_async_handler_entry {
1662 struct list_head list;
1663 struct iwl_rx_cmd_buffer rxb;
1664 enum iwl_rx_handler_context context;
1665 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1666 };
1667
iwl_mvm_async_handlers_purge(struct iwl_mvm * mvm)1668 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
1669 {
1670 struct iwl_async_handler_entry *entry, *tmp;
1671
1672 spin_lock_bh(&mvm->async_handlers_lock);
1673 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1674 iwl_free_rxb(&entry->rxb);
1675 list_del(&entry->list);
1676 kfree(entry);
1677 }
1678 spin_unlock_bh(&mvm->async_handlers_lock);
1679 }
1680
1681 /*
1682 * This function receives a bitmap of rx async handler contexts
1683 * (&iwl_rx_handler_context) to handle, and runs only them
1684 */
iwl_mvm_async_handlers_by_context(struct iwl_mvm * mvm,u8 contexts)1685 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm,
1686 u8 contexts)
1687 {
1688 struct iwl_async_handler_entry *entry, *tmp;
1689 LIST_HEAD(local_list);
1690
1691 /*
1692 * Sync with Rx path with a lock. Remove all the entries of the
1693 * wanted contexts from this list, add them to a local one (lock free),
1694 * and then handle them.
1695 */
1696 spin_lock_bh(&mvm->async_handlers_lock);
1697 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1698 if (!(BIT(entry->context) & contexts))
1699 continue;
1700 list_del(&entry->list);
1701 list_add_tail(&entry->list, &local_list);
1702 }
1703 spin_unlock_bh(&mvm->async_handlers_lock);
1704
1705 list_for_each_entry_safe(entry, tmp, &local_list, list) {
1706 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED)
1707 mutex_lock(&mvm->mutex);
1708 entry->fn(mvm, &entry->rxb);
1709 iwl_free_rxb(&entry->rxb);
1710 list_del(&entry->list);
1711 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED)
1712 mutex_unlock(&mvm->mutex);
1713 kfree(entry);
1714 }
1715 }
1716
iwl_mvm_async_handlers_wiphy_wk(struct wiphy * wiphy,struct wiphy_work * wk)1717 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy,
1718 struct wiphy_work *wk)
1719 {
1720 struct iwl_mvm *mvm =
1721 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk);
1722 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY);
1723
1724 iwl_mvm_async_handlers_by_context(mvm, contexts);
1725 }
1726
iwl_mvm_async_handlers_wk(struct work_struct * wk)1727 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
1728 {
1729 struct iwl_mvm *mvm =
1730 container_of(wk, struct iwl_mvm, async_handlers_wk);
1731 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) |
1732 BIT(RX_HANDLER_ASYNC_UNLOCKED);
1733
1734 iwl_mvm_async_handlers_by_context(mvm, contexts);
1735 }
1736
iwl_mvm_rx_check_trigger(struct iwl_mvm * mvm,struct iwl_rx_packet * pkt)1737 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
1738 struct iwl_rx_packet *pkt)
1739 {
1740 struct iwl_fw_dbg_trigger_tlv *trig;
1741 struct iwl_fw_dbg_trigger_cmd *cmds_trig;
1742 int i;
1743
1744 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
1745 FW_DBG_TRIGGER_FW_NOTIF);
1746 if (!trig)
1747 return;
1748
1749 cmds_trig = (void *)trig->data;
1750
1751 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
1752 /* don't collect on CMD 0 */
1753 if (!cmds_trig->cmds[i].cmd_id)
1754 break;
1755
1756 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
1757 cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
1758 continue;
1759
1760 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
1761 "CMD 0x%02x.%02x received",
1762 pkt->hdr.group_id, pkt->hdr.cmd);
1763 break;
1764 }
1765 }
1766
iwl_mvm_rx_common(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb,struct iwl_rx_packet * pkt)1767 static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
1768 struct iwl_rx_cmd_buffer *rxb,
1769 struct iwl_rx_packet *pkt)
1770 {
1771 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
1772 int i;
1773 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
1774
1775 iwl_dbg_tlv_time_point(&mvm->fwrt,
1776 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
1777 iwl_mvm_rx_check_trigger(mvm, pkt);
1778
1779 /*
1780 * Do the notification wait before RX handlers so
1781 * even if the RX handler consumes the RXB we have
1782 * access to it in the notification wait entry.
1783 */
1784 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1785
1786 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1787 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1788 struct iwl_async_handler_entry *entry;
1789
1790 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1791 continue;
1792
1793 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size,
1794 "unexpected notification 0x%04x size %d, need %d\n",
1795 rx_h->cmd_id, pkt_len, rx_h->min_size))
1796 return;
1797
1798 if (rx_h->context == RX_HANDLER_SYNC) {
1799 rx_h->fn(mvm, rxb);
1800 return;
1801 }
1802
1803 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1804 /* we can't do much... */
1805 if (!entry)
1806 return;
1807
1808 entry->rxb._page = rxb_steal_page(rxb);
1809 entry->rxb._offset = rxb->_offset;
1810 entry->rxb._rx_page_order = rxb->_rx_page_order;
1811 entry->fn = rx_h->fn;
1812 entry->context = rx_h->context;
1813 spin_lock(&mvm->async_handlers_lock);
1814 list_add_tail(&entry->list, &mvm->async_handlers_list);
1815 spin_unlock(&mvm->async_handlers_lock);
1816 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY)
1817 wiphy_work_queue(mvm->hw->wiphy,
1818 &mvm->async_handlers_wiphy_wk);
1819 else
1820 schedule_work(&mvm->async_handlers_wk);
1821 break;
1822 }
1823 }
1824
iwl_mvm_rx(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb)1825 static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1826 struct napi_struct *napi,
1827 struct iwl_rx_cmd_buffer *rxb)
1828 {
1829 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1830 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1831 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1832
1833 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1834 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1835 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1836 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1837 else
1838 iwl_mvm_rx_common(mvm, rxb, pkt);
1839 }
1840
iwl_mvm_rx_mq(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb)1841 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1842 struct napi_struct *napi,
1843 struct iwl_rx_cmd_buffer *rxb)
1844 {
1845 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1846 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1847 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1848
1849 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1850 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1851 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1852 RX_QUEUES_NOTIFICATION)))
1853 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
1854 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1855 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1856 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1857 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
1858 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1859 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1860 else
1861 iwl_mvm_rx_common(mvm, rxb, pkt);
1862 }
1863
iwl_mvm_is_static_queue(struct iwl_mvm * mvm,int queue)1864 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1865 {
1866 return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1867 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1868 }
1869
iwl_mvm_queue_state_change(struct iwl_op_mode * op_mode,int hw_queue,bool start)1870 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1871 int hw_queue, bool start)
1872 {
1873 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1874 struct ieee80211_sta *sta;
1875 struct ieee80211_txq *txq;
1876 struct iwl_mvm_txq *mvmtxq;
1877 int i;
1878 unsigned long tid_bitmap;
1879 struct iwl_mvm_sta *mvmsta;
1880 u8 sta_id;
1881
1882 sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1883 mvm->tvqm_info[hw_queue].sta_id :
1884 mvm->queue_info[hw_queue].ra_sta_id;
1885
1886 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations))
1887 return;
1888
1889 rcu_read_lock();
1890
1891 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1892 if (IS_ERR_OR_NULL(sta))
1893 goto out;
1894 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1895
1896 if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1897 if (!start)
1898 ieee80211_stop_queues(mvm->hw);
1899 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1900 ieee80211_wake_queues(mvm->hw);
1901
1902 goto out;
1903 }
1904
1905 if (iwl_mvm_has_new_tx_api(mvm)) {
1906 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1907
1908 tid_bitmap = BIT(tid);
1909 } else {
1910 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1911 }
1912
1913 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1914 int tid = i;
1915
1916 if (tid == IWL_MAX_TID_COUNT)
1917 tid = IEEE80211_NUM_TIDS;
1918
1919 txq = sta->txq[tid];
1920 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1921 if (start)
1922 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1923 else
1924 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1925
1926 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) {
1927 local_bh_disable();
1928 iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1929 local_bh_enable();
1930 }
1931 }
1932
1933 out:
1934 rcu_read_unlock();
1935 }
1936
iwl_mvm_stop_sw_queue(struct iwl_op_mode * op_mode,int hw_queue)1937 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1938 {
1939 iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1940 }
1941
iwl_mvm_wake_sw_queue(struct iwl_op_mode * op_mode,int hw_queue)1942 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1943 {
1944 iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1945 }
1946
iwl_mvm_set_rfkill_state(struct iwl_mvm * mvm)1947 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1948 {
1949 wiphy_rfkill_set_hw_state(mvm->hw->wiphy,
1950 iwl_mvm_is_radio_killed(mvm));
1951 }
1952
iwl_mvm_set_hw_ctkill_state(struct iwl_mvm * mvm,bool state)1953 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1954 {
1955 if (state)
1956 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1957 else
1958 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1959
1960 iwl_mvm_set_rfkill_state(mvm);
1961 }
1962
iwl_mvm_get_csme_conn_info(struct iwl_mvm * mvm)1963 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm)
1964 {
1965 return rcu_dereference_protected(mvm->csme_conn_info,
1966 lockdep_is_held(&mvm->mutex));
1967 }
1968
iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode * op_mode,bool state)1969 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1970 {
1971 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1972 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1973 bool unified = iwl_mvm_has_unified_ucode(mvm);
1974
1975 if (state)
1976 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1977 else
1978 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1979
1980 iwl_mvm_set_rfkill_state(mvm);
1981
1982 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */
1983 if (rfkill_safe_init_done)
1984 iwl_abort_notification_waits(&mvm->notif_wait);
1985
1986 /*
1987 * Don't ask the transport to stop the firmware. We'll do it
1988 * after cfg80211 takes us down.
1989 */
1990 if (unified)
1991 return false;
1992
1993 /*
1994 * Stop the device if we run OPERATIONAL firmware or if we are in the
1995 * middle of the calibrations.
1996 */
1997 return state && rfkill_safe_init_done;
1998 }
1999
iwl_mvm_free_skb(struct iwl_op_mode * op_mode,struct sk_buff * skb)2000 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
2001 {
2002 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2003 struct ieee80211_tx_info *info;
2004
2005 info = IEEE80211_SKB_CB(skb);
2006 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
2007 ieee80211_free_txskb(mvm->hw, skb);
2008 }
2009
iwl_mvm_nic_error(struct iwl_op_mode * op_mode,enum iwl_fw_error_type type)2010 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode,
2011 enum iwl_fw_error_type type)
2012 {
2013 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2014
2015 iwl_abort_notification_waits(&mvm->notif_wait);
2016 iwl_dbg_tlv_del_timers(mvm->trans);
2017
2018 if (type == IWL_ERR_TYPE_CMD_QUEUE_FULL)
2019 IWL_ERR(mvm, "Command queue full!\n");
2020 else if (!iwl_trans_is_dead(mvm->trans) &&
2021 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE,
2022 &mvm->status))
2023 iwl_mvm_dump_nic_error_log(mvm);
2024
2025 /*
2026 * This should be first thing before trying to collect any
2027 * data to avoid endless loops if any HW error happens while
2028 * collecting debug data.
2029 * It might not actually be true that we'll restart, but the
2030 * setting of the bit doesn't matter if we're going to be
2031 * unbound either.
2032 */
2033 if (type != IWL_ERR_TYPE_RESET_HS_TIMEOUT)
2034 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
2035 }
2036
iwl_mvm_dump_error(struct iwl_op_mode * op_mode,struct iwl_fw_error_dump_mode * mode)2037 static void iwl_mvm_dump_error(struct iwl_op_mode *op_mode,
2038 struct iwl_fw_error_dump_mode *mode)
2039 {
2040 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2041
2042 /* if we come in from opmode we have the mutex held */
2043 if (mode->context == IWL_ERR_CONTEXT_FROM_OPMODE) {
2044 lockdep_assert_held(&mvm->mutex);
2045 iwl_fw_error_collect(&mvm->fwrt);
2046 } else {
2047 mutex_lock(&mvm->mutex);
2048 if (mode->context != IWL_ERR_CONTEXT_ABORT)
2049 iwl_fw_error_collect(&mvm->fwrt);
2050 mutex_unlock(&mvm->mutex);
2051 }
2052 }
2053
iwl_mvm_sw_reset(struct iwl_op_mode * op_mode,enum iwl_fw_error_type type)2054 static bool iwl_mvm_sw_reset(struct iwl_op_mode *op_mode,
2055 enum iwl_fw_error_type type)
2056 {
2057 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2058
2059 /*
2060 * If the firmware crashes while we're already considering it
2061 * to be dead then don't ask for a restart, that cannot do
2062 * anything useful anyway.
2063 */
2064 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status))
2065 return false;
2066
2067 /*
2068 * This is a bit racy, but worst case we tell mac80211 about
2069 * a stopped/aborted scan when that was already done which
2070 * is not a problem. It is necessary to abort any os scan
2071 * here because mac80211 requires having the scan cleared
2072 * before restarting.
2073 * We'll reset the scan_status to NONE in restart cleanup in
2074 * the next start() call from mac80211. If restart isn't called
2075 * (no fw restart) scan status will stay busy.
2076 */
2077 iwl_mvm_report_scan_aborted(mvm);
2078
2079 /*
2080 * If INIT fw asserted, it will likely fail again.
2081 * If WoWLAN fw asserted, don't restart either, mac80211
2082 * can't recover this since we're already half suspended.
2083 */
2084 if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && mvm->hw_registered) {
2085 if (mvm->fw->ucode_capa.error_log_size) {
2086 u32 src_size = mvm->fw->ucode_capa.error_log_size;
2087 u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
2088 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
2089
2090 if (recover_buf) {
2091 mvm->error_recovery_buf = recover_buf;
2092 iwl_trans_read_mem_bytes(mvm->trans,
2093 src_addr,
2094 recover_buf,
2095 src_size);
2096 }
2097 }
2098
2099 if (mvm->fwrt.trans->dbg.restart_required) {
2100 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n");
2101 mvm->fwrt.trans->dbg.restart_required = false;
2102 ieee80211_restart_hw(mvm->hw);
2103 return true;
2104 } else if (mvm->trans->mac_cfg->device_family <= IWL_DEVICE_FAMILY_8000) {
2105 ieee80211_restart_hw(mvm->hw);
2106 return true;
2107 }
2108 }
2109
2110 return false;
2111 }
2112
iwl_op_mode_mvm_time_point(struct iwl_op_mode * op_mode,enum iwl_fw_ini_time_point tp_id,union iwl_dbg_tlv_tp_data * tp_data)2113 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode,
2114 enum iwl_fw_ini_time_point tp_id,
2115 union iwl_dbg_tlv_tp_data *tp_data)
2116 {
2117 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2118
2119 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data);
2120 }
2121
iwl_mvm_dump(struct iwl_op_mode * op_mode)2122 static void iwl_mvm_dump(struct iwl_op_mode *op_mode)
2123 {
2124 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2125 struct iwl_fw_runtime *fwrt = &mvm->fwrt;
2126
2127 if (!iwl_trans_fw_running(fwrt->trans))
2128 return;
2129
2130 iwl_dbg_tlv_time_point(fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER, NULL);
2131 }
2132
2133 #ifdef CONFIG_PM_SLEEP
iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode * op_mode)2134 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode)
2135 {
2136 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2137
2138 mutex_lock(&mvm->mutex);
2139 clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status);
2140 iwl_mvm_stop_device(mvm);
2141 mvm->fast_resume = false;
2142 mutex_unlock(&mvm->mutex);
2143 }
2144 #else
iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode * op_mode)2145 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode)
2146 {}
2147 #endif
2148
2149 #define IWL_MVM_COMMON_OPS \
2150 /* these could be differentiated */ \
2151 .queue_full = iwl_mvm_stop_sw_queue, \
2152 .queue_not_full = iwl_mvm_wake_sw_queue, \
2153 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
2154 .free_skb = iwl_mvm_free_skb, \
2155 .nic_error = iwl_mvm_nic_error, \
2156 .dump_error = iwl_mvm_dump_error, \
2157 .sw_reset = iwl_mvm_sw_reset, \
2158 .nic_config = iwl_mvm_nic_config, \
2159 /* as we only register one, these MUST be common! */ \
2160 .start = iwl_op_mode_mvm_start, \
2161 .stop = iwl_op_mode_mvm_stop, \
2162 .time_point = iwl_op_mode_mvm_time_point, \
2163 .device_powered_off = iwl_op_mode_mvm_device_powered_off
2164
2165 static const struct iwl_op_mode_ops iwl_mvm_ops = {
2166 IWL_MVM_COMMON_OPS,
2167 .rx = iwl_mvm_rx,
2168 };
2169
iwl_mvm_rx_mq_rss(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb,unsigned int queue)2170 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
2171 struct napi_struct *napi,
2172 struct iwl_rx_cmd_buffer *rxb,
2173 unsigned int queue)
2174 {
2175 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2176 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2177 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
2178
2179 if (unlikely(queue >= mvm->trans->info.num_rxqs))
2180 return;
2181
2182 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
2183 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
2184 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
2185 RX_QUEUES_NOTIFICATION)))
2186 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
2187 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
2188 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
2189 }
2190
2191 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
2192 IWL_MVM_COMMON_OPS,
2193 .rx = iwl_mvm_rx_mq,
2194 .rx_rss = iwl_mvm_rx_mq_rss,
2195 .dump = iwl_mvm_dump,
2196 };
2197