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238 * mean that userspace may have outdated information, but that's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