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 #if defined(__FreeBSD__)
8 #define LINUXKPI_PARAM_PREFIX iwlwifi_mvm_
9 #endif
10 #include <linux/module.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/vmalloc.h>
13 #include <net/mac80211.h>
14
15 #include "fw/notif-wait.h"
16 #include "iwl-trans.h"
17 #include "iwl-op-mode.h"
18 #include "fw/img.h"
19 #include "iwl-debug.h"
20 #include "iwl-drv.h"
21 #include "iwl-modparams.h"
22 #include "mvm.h"
23 #include "iwl-phy-db.h"
24 #include "iwl-nvm-utils.h"
25 #include "iwl-csr.h"
26 #include "iwl-io.h"
27 #include "iwl-prph.h"
28 #include "rs.h"
29 #include "fw/api/scan.h"
30 #include "fw/api/rfi.h"
31 #include "time-event.h"
32 #include "fw-api.h"
33 #include "fw/acpi.h"
34 #include "fw/uefi.h"
35 #include "time-sync.h"
36
37 #if defined(__linux__)
38 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
39 MODULE_DESCRIPTION(DRV_DESCRIPTION);
40 MODULE_LICENSE("GPL");
41 #elif defined(__FreeBSD__)
42 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN/AC/AX based driver for FreeBSD"
43 MODULE_DESCRIPTION(DRV_DESCRIPTION);
44 MODULE_LICENSE("BSD");
45 #endif
46 MODULE_IMPORT_NS("IWLWIFI");
47
48 static const struct iwl_op_mode_ops iwl_mvm_ops;
49 static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
50
51 struct iwl_mvm_mod_params iwlmvm_mod_params = {
52 #if defined(__linux__)
53 .power_scheme = IWL_POWER_SCHEME_BPS,
54 #elif defined(__FreeBSD__)
55 .power_scheme = IWL_POWER_SCHEME_CAM, /* disable default PS */
56 #endif
57 };
58
59 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
60 MODULE_PARM_DESC(power_scheme,
61 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
62
63 /*
64 * module init and exit functions
65 */
iwl_mvm_init(void)66 static int __init iwl_mvm_init(void)
67 {
68 int ret;
69
70 ret = iwl_mvm_rate_control_register();
71 if (ret) {
72 pr_err("Unable to register rate control algorithm: %d\n", ret);
73 return ret;
74 }
75
76 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
77 if (ret) {
78 pr_err("Unable to register MVM op_mode: %d\n", ret);
79 iwl_mvm_rate_control_unregister();
80 }
81
82 return ret;
83 }
84 #if defined(__linux__)
85 module_init(iwl_mvm_init);
86 #elif defined(__FreeBSD__)
87 module_init_order(iwl_mvm_init, SI_ORDER_SECOND);
88 #endif
89
iwl_mvm_exit(void)90 static void __exit iwl_mvm_exit(void)
91 {
92 iwl_opmode_deregister("iwlmvm");
93 iwl_mvm_rate_control_unregister();
94 }
95 module_exit(iwl_mvm_exit);
96
iwl_mvm_nic_config(struct iwl_op_mode * op_mode)97 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
98 {
99 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
100 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
101 u32 reg_val;
102 u32 phy_config = iwl_mvm_get_phy_config(mvm);
103
104 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
105 FW_PHY_CFG_RADIO_TYPE_POS;
106 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
107 FW_PHY_CFG_RADIO_STEP_POS;
108 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
109 FW_PHY_CFG_RADIO_DASH_POS;
110
111 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
112 radio_cfg_step, radio_cfg_dash);
113
114 if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
115 return;
116
117 /* SKU control */
118 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->info.hw_rev);
119
120 /* radio configuration */
121 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
122 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
123 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
124
125 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
126 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
127
128 /*
129 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
130 * sampling, and shouldn't be set to any non-zero value.
131 * The same is supposed to be true of the other HW, but unsetting
132 * them (such as the 7260) causes automatic tests to fail on seemingly
133 * unrelated errors. Need to further investigate this, but for now
134 * we'll separate cases.
135 */
136 if (mvm->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_8000)
137 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
138
139 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt))
140 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
141
142 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
143 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH |
144 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
145 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
146 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
147 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
148 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI |
149 CSR_HW_IF_CONFIG_REG_D3_DEBUG,
150 reg_val);
151
152 /*
153 * W/A : NIC is stuck in a reset state after Early PCIe power off
154 * (PCIe power is lost before PERST# is asserted), causing ME FW
155 * to lose ownership and not being able to obtain it back.
156 */
157 if (!mvm->trans->mac_cfg->base->apmg_not_supported)
158 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
159 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
160 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
161 }
162
iwl_mvm_rx_esr_mode_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)163 static void iwl_mvm_rx_esr_mode_notif(struct iwl_mvm *mvm,
164 struct iwl_rx_cmd_buffer *rxb)
165 {
166 struct iwl_rx_packet *pkt = rxb_addr(rxb);
167 struct iwl_esr_mode_notif *notif = (void *)pkt->data;
168 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm);
169
170 /* FW recommendations is only for entering EMLSR */
171 if (IS_ERR_OR_NULL(vif) || iwl_mvm_vif_from_mac80211(vif)->esr_active)
172 return;
173
174 if (le32_to_cpu(notif->action) == ESR_RECOMMEND_ENTER)
175 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW);
176 else
177 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW,
178 iwl_mvm_get_primary_link(vif));
179 }
180
iwl_mvm_rx_monitor_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)181 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm,
182 struct iwl_rx_cmd_buffer *rxb)
183 {
184 struct iwl_rx_packet *pkt = rxb_addr(rxb);
185 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data;
186 struct ieee80211_supported_band *sband;
187 const struct ieee80211_sta_he_cap *he_cap;
188 struct ieee80211_vif *vif;
189
190 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA))
191 return;
192
193 /* FIXME: should fetch the link and not the vif */
194 vif = iwl_mvm_get_vif_by_macid(mvm, notif->link_id);
195 if (!vif || vif->type != NL80211_IFTYPE_STATION)
196 return;
197
198 if (!vif->bss_conf.chanreq.oper.chan ||
199 vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ ||
200 vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40)
201 return;
202
203 if (!vif->cfg.assoc)
204 return;
205
206 /* this shouldn't happen *again*, ignore it */
207 if (mvm->cca_40mhz_workaround)
208 return;
209
210 /*
211 * We'll decrement this on disconnect - so set to 2 since we'll
212 * still have to disconnect from the current AP first.
213 */
214 mvm->cca_40mhz_workaround = 2;
215
216 /*
217 * This capability manipulation isn't really ideal, but it's the
218 * easiest choice - otherwise we'd have to do some major changes
219 * in mac80211 to support this, which isn't worth it. This does
220 * mean that userspace may have outdated information, but that's
221 * actually not an issue at all.
222 */
223 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
224
225 WARN_ON(!sband->ht_cap.ht_supported);
226 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40));
227 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
228
229 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif);
230
231 if (he_cap) {
232 /* we know that ours is writable */
233 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap;
234
235 WARN_ON(!he->has_he);
236 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] &
237 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G));
238 he->he_cap_elem.phy_cap_info[0] &=
239 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
240 }
241
242 ieee80211_disconnect(vif, true);
243 }
244
iwl_mvm_update_link_smps(struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)245 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif,
246 struct ieee80211_bss_conf *link_conf)
247 {
248 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
249 struct iwl_mvm *mvm = mvmvif->mvm;
250 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC;
251
252 if (!link_conf)
253 return;
254
255 if (mvm->fw_static_smps_request &&
256 link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 &&
257 link_conf->he_support)
258 mode = IEEE80211_SMPS_STATIC;
259
260 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode,
261 link_conf->link_id);
262 }
263
iwl_mvm_intf_dual_chain_req(void * data,u8 * mac,struct ieee80211_vif * vif)264 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac,
265 struct ieee80211_vif *vif)
266 {
267 struct ieee80211_bss_conf *link_conf;
268 unsigned int link_id;
269
270 rcu_read_lock();
271
272 for_each_vif_active_link(vif, link_conf, link_id)
273 iwl_mvm_update_link_smps(vif, link_conf);
274
275 rcu_read_unlock();
276 }
277
iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)278 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm,
279 struct iwl_rx_cmd_buffer *rxb)
280 {
281 struct iwl_rx_packet *pkt = rxb_addr(rxb);
282 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data;
283
284 /* firmware is expected to handle that in RLC offload mode */
285 if (IWL_FW_CHECK(mvm, iwl_mvm_has_rlc_offload(mvm),
286 "Got THERMAL_DUAL_CHAIN_REQUEST (0x%x) in RLC offload mode\n",
287 req->event))
288 return;
289
290 /*
291 * We could pass it to the iterator data, but also need to remember
292 * it for new interfaces that are added while in this state.
293 */
294 mvm->fw_static_smps_request =
295 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE);
296 ieee80211_iterate_interfaces(mvm->hw,
297 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER,
298 iwl_mvm_intf_dual_chain_req, NULL);
299 }
300
301 /**
302 * enum iwl_rx_handler_context: context for Rx handler
303 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
304 * which can't acquire mvm->mutex.
305 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
306 * (and only in this case!), it should be set as ASYNC. In that case,
307 * it will be called from a worker with mvm->mutex held.
308 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
309 * mutex itself, it will be called from a worker without mvm->mutex held.
310 * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock
311 * and mvm->mutex. Will be handled with the wiphy_work queue infra
312 * instead of regular work queue.
313 */
314 enum iwl_rx_handler_context {
315 RX_HANDLER_SYNC,
316 RX_HANDLER_ASYNC_LOCKED,
317 RX_HANDLER_ASYNC_UNLOCKED,
318 RX_HANDLER_ASYNC_LOCKED_WIPHY,
319 };
320
321 /**
322 * struct iwl_rx_handlers: handler for FW notification
323 * @cmd_id: command id
324 * @min_size: minimum size to expect for the notification
325 * @context: see &iwl_rx_handler_context
326 * @fn: the function is called when notification is received
327 */
328 struct iwl_rx_handlers {
329 u16 cmd_id, min_size;
330 enum iwl_rx_handler_context context;
331 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
332 };
333
334 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \
335 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, }
336 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \
337 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, }
338 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \
339 { .cmd_id = _cmd_id, .fn = _fn, \
340 .context = _context, .min_size = sizeof(_struct), }
341 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \
342 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \
343 .context = _context, .min_size = sizeof(_struct), }
344
345 /*
346 * Handlers for fw notifications
347 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
348 * This list should be in order of frequency for performance purposes.
349 *
350 * The handler can be one from three contexts, see &iwl_rx_handler_context
351 */
352 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
353 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC,
354 struct iwl_tx_resp),
355 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC,
356 struct iwl_mvm_ba_notif),
357
358 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
359 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC,
360 struct iwl_tlc_update_notif),
361
362 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_old_notif,
363 RX_HANDLER_ASYNC_LOCKED_WIPHY,
364 struct iwl_bt_coex_prof_old_notif),
365 RX_HANDLER_GRP(BT_COEX_GROUP, PROFILE_NOTIF, iwl_mvm_rx_bt_coex_notif,
366 RX_HANDLER_ASYNC_LOCKED_WIPHY,
367 struct iwl_bt_coex_profile_notif),
368 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
369 RX_HANDLER_ASYNC_LOCKED),
370 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
371 RX_HANDLER_ASYNC_LOCKED),
372
373 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF,
374 iwl_mvm_handle_rx_system_oper_stats,
375 RX_HANDLER_ASYNC_LOCKED_WIPHY,
376 struct iwl_system_statistics_notif_oper),
377 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF,
378 iwl_mvm_handle_rx_system_oper_part1_stats,
379 RX_HANDLER_ASYNC_LOCKED,
380 struct iwl_system_statistics_part1_notif_oper),
381 RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF,
382 iwl_mvm_handle_rx_system_end_stats_notif,
383 RX_HANDLER_ASYNC_LOCKED,
384 struct iwl_system_statistics_end_notif),
385
386 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
387 iwl_mvm_window_status_notif, RX_HANDLER_SYNC,
388 struct iwl_ba_window_status_notif),
389
390 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
391 RX_HANDLER_SYNC, struct iwl_time_event_notif),
392 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
393 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC,
394 struct iwl_session_prot_notif),
395 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
396 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif),
397
398 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC,
399 struct iwl_mvm_eosp_notification),
400
401 RX_HANDLER(SCAN_ITERATION_COMPLETE,
402 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC,
403 struct iwl_lmac_scan_complete_notif),
404 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
405 iwl_mvm_rx_lmac_scan_complete_notif,
406 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete),
407 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION,
408 iwl_mvm_rx_scan_match_found,
409 RX_HANDLER_SYNC),
410 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
411 RX_HANDLER_ASYNC_LOCKED,
412 struct iwl_umac_scan_complete),
413 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
414 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC,
415 struct iwl_umac_scan_iter_complete_notif),
416
417 RX_HANDLER(MISSED_BEACONS_NOTIFICATION,
418 iwl_mvm_rx_missed_beacons_notif_legacy,
419 RX_HANDLER_ASYNC_LOCKED_WIPHY,
420 struct iwl_missed_beacons_notif_v4),
421
422 RX_HANDLER_GRP(MAC_CONF_GROUP, MISSED_BEACONS_NOTIF,
423 iwl_mvm_rx_missed_beacons_notif,
424 RX_HANDLER_ASYNC_LOCKED_WIPHY,
425 struct iwl_missed_beacons_notif),
426 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC,
427 struct iwl_error_resp),
428 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
429 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC,
430 struct iwl_uapsd_misbehaving_ap_notif),
431 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
432 RX_HANDLER_ASYNC_LOCKED),
433 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
434 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
435 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
436 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC,
437 struct ct_kill_notif),
438
439 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
440 RX_HANDLER_ASYNC_LOCKED,
441 struct iwl_tdls_channel_switch_notif),
442 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
443 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1),
444 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
445 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED,
446 struct iwl_ftm_responder_stats),
447
448 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
449 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
450 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF,
451 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
452
453 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
454 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC,
455 struct iwl_mfu_assert_dump_notif),
456 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
457 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC,
458 struct iwl_stored_beacon_notif_v2),
459 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
460 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC,
461 struct iwl_mu_group_mgmt_notif),
462 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
463 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC,
464 struct iwl_mvm_pm_state_notification),
465 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF,
466 iwl_mvm_probe_resp_data_notif,
467 RX_HANDLER_ASYNC_LOCKED,
468 struct iwl_probe_resp_data_notif),
469 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF,
470 iwl_mvm_channel_switch_start_notif,
471 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif),
472 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF,
473 iwl_mvm_channel_switch_error_notif,
474 RX_HANDLER_ASYNC_UNLOCKED,
475 struct iwl_channel_switch_error_notif),
476
477 RX_HANDLER_GRP(DATA_PATH_GROUP, ESR_MODE_NOTIF,
478 iwl_mvm_rx_esr_mode_notif,
479 RX_HANDLER_ASYNC_LOCKED_WIPHY,
480 struct iwl_esr_mode_notif),
481
482 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF,
483 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED,
484 struct iwl_datapath_monitor_notif),
485
486 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST,
487 iwl_mvm_rx_thermal_dual_chain_req,
488 RX_HANDLER_ASYNC_LOCKED,
489 struct iwl_thermal_dual_chain_request),
490
491 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF,
492 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED,
493 struct iwl_rfi_deactivate_notif),
494
495 RX_HANDLER_GRP(LEGACY_GROUP,
496 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION,
497 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC,
498 struct iwl_time_msmt_notify),
499 RX_HANDLER_GRP(LEGACY_GROUP,
500 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION,
501 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC,
502 struct iwl_time_msmt_cfm_notify),
503 RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF,
504 iwl_mvm_rx_roc_notif, RX_HANDLER_ASYNC_LOCKED,
505 struct iwl_roc_notif),
506 RX_HANDLER_GRP(SCAN_GROUP, CHANNEL_SURVEY_NOTIF,
507 iwl_mvm_rx_channel_survey_notif, RX_HANDLER_ASYNC_LOCKED,
508 struct iwl_umac_scan_channel_survey_notif),
509 RX_HANDLER_GRP(DATA_PATH_GROUP, BEACON_FILTER_IN_NOTIF,
510 iwl_mvm_rx_beacon_filter_notif,
511 RX_HANDLER_ASYNC_LOCKED,
512 /* same size as v1 */
513 struct iwl_beacon_filter_notif),
514 };
515 #undef RX_HANDLER
516 #undef RX_HANDLER_GRP
517
518 /* Please keep this array *SORTED* by hex value.
519 * Access is done through binary search
520 */
521 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
522 HCMD_NAME(UCODE_ALIVE_NTFY),
523 HCMD_NAME(REPLY_ERROR),
524 HCMD_NAME(ECHO_CMD),
525 HCMD_NAME(INIT_COMPLETE_NOTIF),
526 HCMD_NAME(PHY_CONTEXT_CMD),
527 HCMD_NAME(DBG_CFG),
528 HCMD_NAME(SCAN_CFG_CMD),
529 HCMD_NAME(SCAN_REQ_UMAC),
530 HCMD_NAME(SCAN_ABORT_UMAC),
531 HCMD_NAME(SCAN_COMPLETE_UMAC),
532 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
533 HCMD_NAME(ADD_STA_KEY),
534 HCMD_NAME(ADD_STA),
535 HCMD_NAME(REMOVE_STA),
536 HCMD_NAME(TX_CMD),
537 HCMD_NAME(SCD_QUEUE_CFG),
538 HCMD_NAME(TXPATH_FLUSH),
539 HCMD_NAME(MGMT_MCAST_KEY),
540 HCMD_NAME(WEP_KEY),
541 HCMD_NAME(SHARED_MEM_CFG),
542 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
543 HCMD_NAME(MAC_CONTEXT_CMD),
544 HCMD_NAME(TIME_EVENT_CMD),
545 HCMD_NAME(TIME_EVENT_NOTIFICATION),
546 HCMD_NAME(BINDING_CONTEXT_CMD),
547 HCMD_NAME(TIME_QUOTA_CMD),
548 HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
549 HCMD_NAME(LEDS_CMD),
550 HCMD_NAME(LQ_CMD),
551 HCMD_NAME(FW_PAGING_BLOCK_CMD),
552 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
553 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
554 HCMD_NAME(HOT_SPOT_CMD),
555 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
556 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
557 HCMD_NAME(BT_COEX_CI),
558 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION),
559 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION),
560 HCMD_NAME(PHY_CONFIGURATION_CMD),
561 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
562 HCMD_NAME(PHY_DB_CMD),
563 HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
564 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
565 HCMD_NAME(POWER_TABLE_CMD),
566 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
567 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
568 HCMD_NAME(NVM_ACCESS_CMD),
569 HCMD_NAME(BEACON_NOTIFICATION),
570 HCMD_NAME(BEACON_TEMPLATE_CMD),
571 HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
572 HCMD_NAME(BT_CONFIG),
573 HCMD_NAME(STATISTICS_CMD),
574 HCMD_NAME(STATISTICS_NOTIFICATION),
575 HCMD_NAME(EOSP_NOTIFICATION),
576 HCMD_NAME(REDUCE_TX_POWER_CMD),
577 HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
578 HCMD_NAME(TDLS_CONFIG_CMD),
579 HCMD_NAME(MAC_PM_POWER_TABLE),
580 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
581 HCMD_NAME(MFUART_LOAD_NOTIFICATION),
582 HCMD_NAME(RSS_CONFIG_CMD),
583 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
584 HCMD_NAME(REPLY_RX_PHY_CMD),
585 HCMD_NAME(REPLY_RX_MPDU_CMD),
586 HCMD_NAME(BAR_FRAME_RELEASE),
587 HCMD_NAME(FRAME_RELEASE),
588 HCMD_NAME(BA_NOTIF),
589 HCMD_NAME(MCC_UPDATE_CMD),
590 HCMD_NAME(MCC_CHUB_UPDATE_CMD),
591 HCMD_NAME(MARKER_CMD),
592 HCMD_NAME(BT_PROFILE_NOTIFICATION),
593 HCMD_NAME(MCAST_FILTER_CMD),
594 HCMD_NAME(REPLY_SF_CFG_CMD),
595 HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
596 HCMD_NAME(D3_CONFIG_CMD),
597 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
598 HCMD_NAME(MATCH_FOUND_NOTIFICATION),
599 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
600 HCMD_NAME(WOWLAN_PATTERNS),
601 HCMD_NAME(WOWLAN_CONFIGURATION),
602 HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
603 HCMD_NAME(WOWLAN_TKIP_PARAM),
604 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
605 HCMD_NAME(WOWLAN_GET_STATUSES),
606 HCMD_NAME(SCAN_ITERATION_COMPLETE),
607 HCMD_NAME(D0I3_END_CMD),
608 HCMD_NAME(LTR_CONFIG),
609 HCMD_NAME(LDBG_CONFIG_CMD),
610 HCMD_NAME(DEBUG_LOG_MSG),
611 };
612
613 /* Please keep this array *SORTED* by hex value.
614 * Access is done through binary search
615 */
616 static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
617 HCMD_NAME(SHARED_MEM_CFG_CMD),
618 HCMD_NAME(SOC_CONFIGURATION_CMD),
619 HCMD_NAME(INIT_EXTENDED_CFG_CMD),
620 HCMD_NAME(FW_ERROR_RECOVERY_CMD),
621 HCMD_NAME(RFI_CONFIG_CMD),
622 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD),
623 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD),
624 HCMD_NAME(SYSTEM_STATISTICS_CMD),
625 HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF),
626 HCMD_NAME(RFI_DEACTIVATE_NOTIF),
627 };
628
629 /* Please keep this array *SORTED* by hex value.
630 * Access is done through binary search
631 */
632 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
633 HCMD_NAME(LOW_LATENCY_CMD),
634 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
635 HCMD_NAME(SESSION_PROTECTION_CMD),
636 HCMD_NAME(CANCEL_CHANNEL_SWITCH_CMD),
637 HCMD_NAME(MAC_CONFIG_CMD),
638 HCMD_NAME(LINK_CONFIG_CMD),
639 HCMD_NAME(STA_CONFIG_CMD),
640 HCMD_NAME(AUX_STA_CMD),
641 HCMD_NAME(STA_REMOVE_CMD),
642 HCMD_NAME(STA_DISABLE_TX_CMD),
643 HCMD_NAME(ROC_CMD),
644 HCMD_NAME(ROC_NOTIF),
645 HCMD_NAME(CHANNEL_SWITCH_ERROR_NOTIF),
646 HCMD_NAME(MISSED_VAP_NOTIF),
647 HCMD_NAME(SESSION_PROTECTION_NOTIF),
648 HCMD_NAME(PROBE_RESPONSE_DATA_NOTIF),
649 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF),
650 };
651
652 /* Please keep this array *SORTED* by hex value.
653 * Access is done through binary search
654 */
655 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
656 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
657 HCMD_NAME(CTDP_CONFIG_CMD),
658 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
659 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD),
660 HCMD_NAME(AP_TX_POWER_CONSTRAINTS_CMD),
661 HCMD_NAME(CT_KILL_NOTIFICATION),
662 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
663 };
664
665 /* Please keep this array *SORTED* by hex value.
666 * Access is done through binary search
667 */
668 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
669 HCMD_NAME(DQA_ENABLE_CMD),
670 HCMD_NAME(UPDATE_MU_GROUPS_CMD),
671 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
672 HCMD_NAME(WNM_PLATFORM_PTM_REQUEST_CMD),
673 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD),
674 HCMD_NAME(STA_HE_CTXT_CMD),
675 HCMD_NAME(RLC_CONFIG_CMD),
676 HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
677 HCMD_NAME(TLC_MNG_CONFIG_CMD),
678 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
679 HCMD_NAME(SCD_QUEUE_CONFIG_CMD),
680 HCMD_NAME(SEC_KEY_CMD),
681 HCMD_NAME(ESR_MODE_NOTIF),
682 HCMD_NAME(MONITOR_NOTIF),
683 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST),
684 HCMD_NAME(BEACON_FILTER_IN_NOTIF),
685 HCMD_NAME(STA_PM_NOTIF),
686 HCMD_NAME(MU_GROUP_MGMT_NOTIF),
687 HCMD_NAME(RX_QUEUES_NOTIFICATION),
688 };
689
690 /* Please keep this array *SORTED* by hex value.
691 * Access is done through binary search
692 */
693 static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = {
694 HCMD_NAME(STATISTICS_OPER_NOTIF),
695 HCMD_NAME(STATISTICS_OPER_PART1_NOTIF),
696 };
697
698 /* Please keep this array *SORTED* by hex value.
699 * Access is done through binary search
700 */
701 static const struct iwl_hcmd_names iwl_mvm_debug_names[] = {
702 HCMD_NAME(LMAC_RD_WR),
703 HCMD_NAME(UMAC_RD_WR),
704 HCMD_NAME(HOST_EVENT_CFG),
705 HCMD_NAME(DBGC_SUSPEND_RESUME),
706 HCMD_NAME(BUFFER_ALLOCATION),
707 HCMD_NAME(GET_TAS_STATUS),
708 HCMD_NAME(FW_DUMP_COMPLETE_CMD),
709 HCMD_NAME(FW_CLEAR_BUFFER),
710 HCMD_NAME(MFU_ASSERT_DUMP_NTF),
711 };
712
713 /* Please keep this array *SORTED* by hex value.
714 * Access is done through binary search
715 */
716 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = {
717 HCMD_NAME(CHANNEL_SURVEY_NOTIF),
718 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF),
719 };
720
721 /* Please keep this array *SORTED* by hex value.
722 * Access is done through binary search
723 */
724 static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
725 HCMD_NAME(TOF_RANGE_REQ_CMD),
726 HCMD_NAME(TOF_CONFIG_CMD),
727 HCMD_NAME(TOF_RANGE_ABORT_CMD),
728 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
729 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
730 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
731 HCMD_NAME(TOF_LC_NOTIF),
732 HCMD_NAME(TOF_RESPONDER_STATS),
733 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
734 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
735 };
736
737 /* Please keep this array *SORTED* by hex value.
738 * Access is done through binary search
739 */
740 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
741 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION),
742 HCMD_NAME(WOWLAN_INFO_NOTIFICATION),
743 HCMD_NAME(D3_END_NOTIFICATION),
744 HCMD_NAME(STORED_BEACON_NTF),
745 };
746
747 /* Please keep this array *SORTED* by hex value.
748 * Access is done through binary search
749 */
750 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
751 HCMD_NAME(NVM_ACCESS_COMPLETE),
752 HCMD_NAME(NVM_GET_INFO),
753 HCMD_NAME(TAS_CONFIG),
754 };
755
756 /* Please keep this array *SORTED* by hex value.
757 * Access is done through binary search
758 */
759 static const struct iwl_hcmd_names iwl_mvm_bt_coex_names[] = {
760 HCMD_NAME(PROFILE_NOTIF),
761 };
762
763 VISIBLE_IF_IWLWIFI_KUNIT
764 const struct iwl_hcmd_arr iwl_mvm_groups[] = {
765 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
766 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
767 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
768 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
769 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
770 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
771 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names),
772 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
773 [BT_COEX_GROUP] = HCMD_ARR(iwl_mvm_bt_coex_names),
774 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
775 [REGULATORY_AND_NVM_GROUP] =
776 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
777 [DEBUG_GROUP] = HCMD_ARR(iwl_mvm_debug_names),
778 [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names),
779 };
780 EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_mvm_groups);
781 #if IS_ENABLED(CONFIG_IWLWIFI_KUNIT_TESTS)
782 const unsigned int iwl_mvm_groups_size = ARRAY_SIZE(iwl_mvm_groups);
783 EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_mvm_groups_size);
784 #endif
785
786 /* this forward declaration can avoid to export the function */
787 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
788 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy,
789 struct wiphy_work *work);
790
iwl_mvm_min_backoff(struct iwl_mvm * mvm)791 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
792 {
793 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
794 u64 dflt_pwr_limit;
795
796 if (!backoff)
797 return 0;
798
799 iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit);
800
801 while (backoff->pwr) {
802 if (dflt_pwr_limit >= backoff->pwr)
803 return backoff->backoff;
804
805 backoff++;
806 }
807
808 return 0;
809 }
810
iwl_mvm_tx_unblock_dwork(struct work_struct * work)811 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
812 {
813 struct iwl_mvm *mvm =
814 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
815 struct ieee80211_vif *tx_blocked_vif;
816 struct iwl_mvm_vif *mvmvif;
817
818 guard(mvm)(mvm);
819
820 tx_blocked_vif =
821 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
822 lockdep_is_held(&mvm->mutex));
823
824 if (!tx_blocked_vif)
825 return;
826
827 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
828 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
829 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
830 }
831
iwl_mvm_fwrt_dump_start(void * ctx)832 static void iwl_mvm_fwrt_dump_start(void *ctx)
833 {
834 struct iwl_mvm *mvm = ctx;
835
836 mutex_lock(&mvm->mutex);
837 }
838
iwl_mvm_fwrt_dump_end(void * ctx)839 static void iwl_mvm_fwrt_dump_end(void *ctx)
840 {
841 struct iwl_mvm *mvm = ctx;
842
843 mutex_unlock(&mvm->mutex);
844 }
845
iwl_mvm_fwrt_send_hcmd(void * ctx,struct iwl_host_cmd * host_cmd)846 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
847 {
848 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
849
850 guard(mvm)(mvm);
851 return iwl_mvm_send_cmd(mvm, host_cmd);
852 }
853
iwl_mvm_d3_debug_enable(void * ctx)854 static bool iwl_mvm_d3_debug_enable(void *ctx)
855 {
856 return IWL_MVM_D3_DEBUG;
857 }
858
859 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
860 .dump_start = iwl_mvm_fwrt_dump_start,
861 .dump_end = iwl_mvm_fwrt_dump_end,
862 .send_hcmd = iwl_mvm_fwrt_send_hcmd,
863 .d3_debug_enable = iwl_mvm_d3_debug_enable,
864 };
865
iwl_mvm_start_get_nvm(struct iwl_mvm * mvm)866 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
867 {
868 struct iwl_trans *trans = mvm->trans;
869 int ret;
870
871 if (trans->csme_own) {
872 if (WARN(!mvm->mei_registered,
873 "csme is owner, but we aren't registered to iwlmei\n"))
874 goto get_nvm_from_fw;
875
876 mvm->mei_nvm_data = iwl_mei_get_nvm();
877 if (mvm->mei_nvm_data) {
878 /*
879 * mvm->mei_nvm_data is set and because of that,
880 * we'll load the NVM from the FW when we'll get
881 * ownership.
882 */
883 mvm->nvm_data =
884 iwl_parse_mei_nvm_data(trans, trans->cfg,
885 mvm->mei_nvm_data,
886 mvm->fw,
887 mvm->set_tx_ant,
888 mvm->set_rx_ant);
889 return 0;
890 }
891
892 IWL_ERR(mvm,
893 "Got a NULL NVM from CSME, trying to get it from the device\n");
894 }
895
896 get_nvm_from_fw:
897 rtnl_lock();
898 wiphy_lock(mvm->hw->wiphy);
899 mutex_lock(&mvm->mutex);
900
901 ret = iwl_trans_start_hw(mvm->trans);
902 if (ret) {
903 mutex_unlock(&mvm->mutex);
904 wiphy_unlock(mvm->hw->wiphy);
905 rtnl_unlock();
906 return ret;
907 }
908
909 ret = iwl_run_init_mvm_ucode(mvm);
910 if (ret && ret != -ERFKILL)
911 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
912 if (!ret && iwl_mvm_is_lar_supported(mvm)) {
913 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
914 ret = iwl_mvm_init_mcc(mvm);
915 }
916
917 iwl_mvm_stop_device(mvm);
918
919 mutex_unlock(&mvm->mutex);
920 wiphy_unlock(mvm->hw->wiphy);
921 rtnl_unlock();
922
923 if (ret)
924 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
925
926 /* no longer need this regardless of failure or not */
927 mvm->fw_product_reset = false;
928
929 return ret;
930 }
931
iwl_mvm_start_post_nvm(struct iwl_mvm * mvm)932 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
933 {
934 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
935 int ret;
936
937 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
938
939 ret = iwl_mvm_mac_setup_register(mvm);
940 if (ret)
941 return ret;
942
943 mvm->hw_registered = true;
944
945 iwl_mvm_dbgfs_register(mvm);
946
947 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
948 mvm->mei_rfkill_blocked,
949 RFKILL_HARD_BLOCK_NOT_OWNER);
950
951 iwl_mvm_mei_set_sw_rfkill_state(mvm);
952
953 return 0;
954 }
955
956 struct iwl_mvm_frob_txf_data {
957 u8 *buf;
958 size_t buflen;
959 };
960
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)961 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw,
962 struct ieee80211_vif *vif,
963 struct ieee80211_sta *sta,
964 struct ieee80211_key_conf *key,
965 void *data)
966 {
967 struct iwl_mvm_frob_txf_data *txf = data;
968 u8 keylen, match, matchend;
969 u8 *keydata;
970 size_t i;
971
972 switch (key->cipher) {
973 case WLAN_CIPHER_SUITE_CCMP:
974 keydata = key->key;
975 keylen = key->keylen;
976 break;
977 case WLAN_CIPHER_SUITE_WEP40:
978 case WLAN_CIPHER_SUITE_WEP104:
979 case WLAN_CIPHER_SUITE_TKIP:
980 /*
981 * WEP has short keys which might show up in the payload,
982 * and then you can deduce the key, so in this case just
983 * remove all FIFO data.
984 * For TKIP, we don't know the phase 2 keys here, so same.
985 */
986 memset(txf->buf, 0xBB, txf->buflen);
987 return;
988 default:
989 return;
990 }
991
992 /* scan for key material and clear it out */
993 match = 0;
994 for (i = 0; i < txf->buflen; i++) {
995 if (txf->buf[i] != keydata[match]) {
996 match = 0;
997 continue;
998 }
999 match++;
1000 if (match == keylen) {
1001 memset(txf->buf + i - keylen, 0xAA, keylen);
1002 match = 0;
1003 }
1004 }
1005
1006 /* we're dealing with a FIFO, so check wrapped around data */
1007 matchend = match;
1008 for (i = 0; match && i < keylen - match; i++) {
1009 if (txf->buf[i] != keydata[match])
1010 break;
1011 match++;
1012 if (match == keylen) {
1013 memset(txf->buf, 0xAA, i + 1);
1014 memset(txf->buf + txf->buflen - matchend, 0xAA,
1015 matchend);
1016 break;
1017 }
1018 }
1019 }
1020
iwl_mvm_frob_txf(void * ctx,void * buf,size_t buflen)1021 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen)
1022 {
1023 struct iwl_mvm_frob_txf_data txf = {
1024 .buf = buf,
1025 .buflen = buflen,
1026 };
1027 struct iwl_mvm *mvm = ctx;
1028
1029 /* embedded key material exists only on old API */
1030 if (iwl_mvm_has_new_tx_api(mvm))
1031 return;
1032
1033 rcu_read_lock();
1034 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf);
1035 rcu_read_unlock();
1036 }
1037
iwl_mvm_frob_hcmd(void * ctx,void * hcmd,size_t len)1038 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len)
1039 {
1040 /* we only use wide headers for commands */
1041 struct iwl_cmd_header_wide *hdr = hcmd;
1042 unsigned int frob_start = sizeof(*hdr), frob_end = 0;
1043
1044 if (len < sizeof(hdr))
1045 return;
1046
1047 /* all the commands we care about are in LONG_GROUP */
1048 if (hdr->group_id != LONG_GROUP)
1049 return;
1050
1051 switch (hdr->cmd) {
1052 case WEP_KEY:
1053 case WOWLAN_TKIP_PARAM:
1054 case WOWLAN_KEK_KCK_MATERIAL:
1055 case ADD_STA_KEY:
1056 /*
1057 * blank out everything here, easier than dealing
1058 * with the various versions of the command
1059 */
1060 frob_end = INT_MAX;
1061 break;
1062 case MGMT_MCAST_KEY:
1063 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
1064 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) !=
1065 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
1066
1067 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
1068 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) <
1069 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
1070 break;
1071 }
1072
1073 if (frob_start >= frob_end)
1074 return;
1075
1076 if (frob_end > len)
1077 frob_end = len;
1078
1079 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start);
1080 }
1081
iwl_mvm_frob_mem(void * ctx,u32 mem_addr,void * mem,size_t buflen)1082 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen)
1083 {
1084 const struct iwl_dump_exclude *excl;
1085 struct iwl_mvm *mvm = ctx;
1086 int i;
1087
1088 switch (mvm->fwrt.cur_fw_img) {
1089 case IWL_UCODE_INIT:
1090 default:
1091 /* not relevant */
1092 return;
1093 case IWL_UCODE_REGULAR:
1094 case IWL_UCODE_REGULAR_USNIFFER:
1095 excl = mvm->fw->dump_excl;
1096 break;
1097 case IWL_UCODE_WOWLAN:
1098 excl = mvm->fw->dump_excl_wowlan;
1099 break;
1100 }
1101
1102 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) !=
1103 sizeof(mvm->fw->dump_excl_wowlan));
1104
1105 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) {
1106 u32 start, end;
1107
1108 if (!excl[i].addr || !excl[i].size)
1109 continue;
1110
1111 start = excl[i].addr;
1112 end = start + excl[i].size;
1113
1114 if (end <= mem_addr || start >= mem_addr + buflen)
1115 continue;
1116
1117 if (start < mem_addr)
1118 start = mem_addr;
1119
1120 if (end > mem_addr + buflen)
1121 end = mem_addr + buflen;
1122
1123 memset((u8 *)mem + start - mem_addr, 0xAA, end - start);
1124 }
1125 }
1126
1127 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = {
1128 .frob_txf = iwl_mvm_frob_txf,
1129 .frob_hcmd = iwl_mvm_frob_hcmd,
1130 .frob_mem = iwl_mvm_frob_mem,
1131 };
1132
1133 #if IS_ENABLED(CONFIG_IWLMEI)
iwl_mvm_me_conn_status(void * priv,const struct iwl_mei_conn_info * conn_info)1134 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info)
1135 {
1136 struct iwl_mvm *mvm = priv;
1137 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info;
1138
1139 /*
1140 * This is protected by the guarantee that this function will not be
1141 * called twice on two different threads
1142 */
1143 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true);
1144
1145 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL);
1146 if (!curr_conn_info)
1147 return;
1148
1149 curr_conn_info->conn_info = *conn_info;
1150
1151 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info);
1152
1153 if (prev_conn_info)
1154 kfree_rcu(prev_conn_info, rcu_head);
1155 }
1156
iwl_mvm_mei_rfkill(void * priv,bool blocked,bool csme_taking_ownership)1157 static void iwl_mvm_mei_rfkill(void *priv, bool blocked,
1158 bool csme_taking_ownership)
1159 {
1160 struct iwl_mvm *mvm = priv;
1161
1162 if (blocked && !csme_taking_ownership)
1163 return;
1164
1165 mvm->mei_rfkill_blocked = blocked;
1166 if (!mvm->hw_registered)
1167 return;
1168
1169 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
1170 mvm->mei_rfkill_blocked,
1171 RFKILL_HARD_BLOCK_NOT_OWNER);
1172 }
1173
iwl_mvm_mei_roaming_forbidden(void * priv,bool forbidden)1174 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden)
1175 {
1176 struct iwl_mvm *mvm = priv;
1177
1178 if (!mvm->hw_registered || !mvm->csme_vif)
1179 return;
1180
1181 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden);
1182 }
1183 #endif
1184
iwl_mvm_sap_connected_wk(struct work_struct * wk)1185 static void iwl_mvm_sap_connected_wk(struct work_struct *wk)
1186 {
1187 struct iwl_mvm *mvm =
1188 container_of(wk, struct iwl_mvm, sap_connected_wk);
1189 int ret;
1190
1191 ret = iwl_mvm_start_get_nvm(mvm);
1192 if (ret)
1193 goto out_free;
1194
1195 ret = iwl_mvm_start_post_nvm(mvm);
1196 if (ret)
1197 goto out_free;
1198
1199 return;
1200
1201 out_free:
1202 IWL_ERR(mvm, "Couldn't get started...\n");
1203 iwl_mei_start_unregister();
1204 iwl_mei_unregister_complete();
1205 iwl_fw_flush_dumps(&mvm->fwrt);
1206 iwl_mvm_thermal_exit(mvm);
1207 iwl_fw_runtime_free(&mvm->fwrt);
1208 iwl_phy_db_free(mvm->phy_db);
1209 kfree(mvm->scan_cmd);
1210 iwl_trans_op_mode_leave(mvm->trans);
1211 kfree(mvm->nvm_data);
1212 kfree(mvm->mei_nvm_data);
1213
1214 ieee80211_free_hw(mvm->hw);
1215 }
1216
1217 #if IS_ENABLED(CONFIG_IWLMEI)
iwl_mvm_mei_sap_connected(void * priv)1218 static void iwl_mvm_mei_sap_connected(void *priv)
1219 {
1220 struct iwl_mvm *mvm = priv;
1221
1222 if (!mvm->hw_registered)
1223 schedule_work(&mvm->sap_connected_wk);
1224 }
1225
iwl_mvm_mei_nic_stolen(void * priv)1226 static void iwl_mvm_mei_nic_stolen(void *priv)
1227 {
1228 struct iwl_mvm *mvm = priv;
1229
1230 rtnl_lock();
1231 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy);
1232 rtnl_unlock();
1233 }
1234
1235 static const struct iwl_mei_ops mei_ops = {
1236 .me_conn_status = iwl_mvm_me_conn_status,
1237 .rfkill = iwl_mvm_mei_rfkill,
1238 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden,
1239 .sap_connected = iwl_mvm_mei_sap_connected,
1240 .nic_stolen = iwl_mvm_mei_nic_stolen,
1241 };
1242 #endif
1243
iwl_mvm_find_link_selection_vif(void * _data,u8 * mac,struct ieee80211_vif * vif)1244 static void iwl_mvm_find_link_selection_vif(void *_data, u8 *mac,
1245 struct ieee80211_vif *vif)
1246 {
1247 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1248
1249 if (ieee80211_vif_is_mld(vif) && mvmvif->authorized)
1250 iwl_mvm_select_links(mvmvif->mvm, vif);
1251 }
1252
iwl_mvm_trig_link_selection(struct wiphy * wiphy,struct wiphy_work * wk)1253 static void iwl_mvm_trig_link_selection(struct wiphy *wiphy,
1254 struct wiphy_work *wk)
1255 {
1256 struct iwl_mvm *mvm =
1257 container_of(wk, struct iwl_mvm, trig_link_selection_wk);
1258
1259 mutex_lock(&mvm->mutex);
1260 ieee80211_iterate_active_interfaces(mvm->hw,
1261 IEEE80211_IFACE_ITER_NORMAL,
1262 iwl_mvm_find_link_selection_vif,
1263 NULL);
1264 mutex_unlock(&mvm->mutex);
1265 }
1266
1267 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)1268 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_rf_cfg *cfg,
1269 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
1270 {
1271 struct ieee80211_hw *hw;
1272 struct iwl_op_mode *op_mode;
1273 struct iwl_mvm *mvm;
1274 static const u8 no_reclaim_cmds[] = {
1275 TX_CMD,
1276 };
1277 u32 max_agg;
1278 size_t scan_size;
1279 u32 min_backoff;
1280 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
1281 int ratecheck;
1282 int err;
1283
1284 /*
1285 * We use IWL_STATION_COUNT_MAX to check the validity of the station
1286 * index all over the driver - check that its value corresponds to the
1287 * array size.
1288 */
1289 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) !=
1290 IWL_STATION_COUNT_MAX);
1291
1292 /********************************
1293 * 1. Allocating and configuring HW data
1294 ********************************/
1295 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
1296 sizeof(struct iwl_mvm),
1297 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops :
1298 &iwl_mvm_hw_ops);
1299 if (!hw)
1300 return ERR_PTR(-ENOMEM);
1301
1302 if (trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)
1303 max_agg = 512;
1304 else
1305 max_agg = IEEE80211_MAX_AMPDU_BUF_HE;
1306
1307 hw->max_rx_aggregation_subframes = max_agg;
1308
1309 op_mode = hw->priv;
1310
1311 mvm = IWL_OP_MODE_GET_MVM(op_mode);
1312 mvm->dev = trans->dev;
1313 mvm->trans = trans;
1314 mvm->cfg = cfg;
1315 mvm->fw = fw;
1316 mvm->hw = hw;
1317
1318 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
1319 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir);
1320
1321 iwl_mvm_get_bios_tables(mvm);
1322 iwl_uefi_get_sgom_table(trans, &mvm->fwrt);
1323 iwl_uefi_get_step_table(trans);
1324 iwl_bios_setup_step(trans, &mvm->fwrt);
1325
1326 mvm->init_status = 0;
1327
1328 /* start with v1 rates */
1329 mvm->fw_rates_ver = 1;
1330
1331 /* check for rates version 2 */
1332 ratecheck =
1333 (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 8) +
1334 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
1335 TLC_MNG_UPDATE_NOTIF, 0) >= 3) +
1336 (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
1337 REPLY_RX_MPDU_CMD, 0) >= 4) +
1338 (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 6);
1339 if (ratecheck != 0 && ratecheck != 4) {
1340 IWL_ERR(mvm, "Firmware has inconsistent rates\n");
1341 err = -EINVAL;
1342 goto out_free;
1343 }
1344 if (ratecheck == 4)
1345 mvm->fw_rates_ver = 2;
1346
1347 /* check for rates version 3 */
1348 ratecheck =
1349 (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 11) +
1350 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
1351 TLC_MNG_UPDATE_NOTIF, 0) >= 4) +
1352 (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
1353 REPLY_RX_MPDU_CMD, 0) >= 6) +
1354 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP,
1355 RX_NO_DATA_NOTIF, 0) >= 4) +
1356 (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 9);
1357 if (ratecheck != 0 && ratecheck != 5) {
1358 IWL_ERR(mvm, "Firmware has inconsistent rates\n");
1359 err = -EINVAL;
1360 goto out_free;
1361 }
1362 if (ratecheck == 5)
1363 mvm->fw_rates_ver = 3;
1364
1365 trans->conf.rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
1366
1367 if (iwl_mvm_has_new_rx_api(mvm)) {
1368 op_mode->ops = &iwl_mvm_ops_mq;
1369 trans->conf.rx_mpdu_cmd_hdr_size =
1370 (trans->mac_cfg->device_family >=
1371 IWL_DEVICE_FAMILY_AX210) ?
1372 sizeof(struct iwl_rx_mpdu_desc) :
1373 IWL_RX_DESC_SIZE_V1;
1374 } else {
1375 op_mode->ops = &iwl_mvm_ops;
1376 trans->conf.rx_mpdu_cmd_hdr_size =
1377 sizeof(struct iwl_rx_mpdu_res_start);
1378
1379 if (WARN_ON(trans->info.num_rxqs > 1)) {
1380 err = -EINVAL;
1381 goto out_free;
1382 }
1383 }
1384
1385 if (iwl_mvm_has_new_tx_api(mvm)) {
1386 /*
1387 * If we have the new TX/queue allocation API initialize them
1388 * all to invalid numbers. We'll rewrite the ones that we need
1389 * later, but that doesn't happen for all of them all of the
1390 * time (e.g. P2P Device is optional), and if a dynamic queue
1391 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then
1392 * iwl_mvm_is_static_queue() erroneously returns true, and we
1393 * might have things getting stuck.
1394 */
1395 mvm->aux_queue = IWL_MVM_INVALID_QUEUE;
1396 mvm->snif_queue = IWL_MVM_INVALID_QUEUE;
1397 mvm->probe_queue = IWL_MVM_INVALID_QUEUE;
1398 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE;
1399 } else {
1400 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
1401 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
1402 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
1403 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
1404 }
1405
1406 mvm->sf_state = SF_UNINIT;
1407 if (iwl_mvm_has_unified_ucode(mvm))
1408 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
1409 else
1410 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
1411 mvm->drop_bcn_ap_mode = true;
1412
1413 mutex_init(&mvm->mutex);
1414 spin_lock_init(&mvm->async_handlers_lock);
1415 INIT_LIST_HEAD(&mvm->time_event_list);
1416 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
1417 INIT_LIST_HEAD(&mvm->async_handlers_list);
1418 spin_lock_init(&mvm->time_event_lock);
1419 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
1420 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list);
1421 INIT_LIST_HEAD(&mvm->resp_pasn_list);
1422
1423 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
1424 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
1425 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk);
1426 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
1427 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
1428 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
1429 INIT_LIST_HEAD(&mvm->add_stream_txqs);
1430 spin_lock_init(&mvm->add_stream_lock);
1431
1432 wiphy_work_init(&mvm->async_handlers_wiphy_wk,
1433 iwl_mvm_async_handlers_wiphy_wk);
1434
1435 wiphy_work_init(&mvm->trig_link_selection_wk,
1436 iwl_mvm_trig_link_selection);
1437
1438 init_waitqueue_head(&mvm->rx_sync_waitq);
1439
1440 mvm->queue_sync_state = 0;
1441
1442 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
1443
1444 spin_lock_init(&mvm->tcm.lock);
1445 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
1446 mvm->tcm.ts = jiffies;
1447 mvm->tcm.ll_ts = jiffies;
1448 mvm->tcm.uapsd_nonagg_ts = jiffies;
1449
1450 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
1451
1452 mvm->cmd_ver.range_resp =
1453 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP,
1454 TOF_RANGE_RESPONSE_NOTIF, 5);
1455 /* we only support up to version 9 */
1456 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9)) {
1457 err = -EINVAL;
1458 goto out_free;
1459 }
1460
1461 /*
1462 * Populate the state variables that the transport layer needs
1463 * to know about.
1464 */
1465 BUILD_BUG_ON(sizeof(no_reclaim_cmds) >
1466 sizeof(trans->conf.no_reclaim_cmds));
1467 memcpy(trans->conf.no_reclaim_cmds, no_reclaim_cmds,
1468 sizeof(no_reclaim_cmds));
1469 trans->conf.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
1470
1471 trans->conf.rx_buf_size = iwl_amsdu_size_to_rxb_size();
1472
1473 trans->conf.wide_cmd_header = true;
1474
1475 trans->conf.command_groups = iwl_mvm_groups;
1476 trans->conf.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
1477
1478 trans->conf.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
1479 trans->conf.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
1480 trans->conf.scd_set_active = true;
1481
1482 trans->conf.cb_data_offs = offsetof(struct ieee80211_tx_info,
1483 driver_data[2]);
1484
1485 snprintf(mvm->hw->wiphy->fw_version,
1486 sizeof(mvm->hw->wiphy->fw_version),
1487 "%.31s", fw->fw_version);
1488
1489 trans->conf.fw_reset_handshake =
1490 fw_has_capa(&mvm->fw->ucode_capa,
1491 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);
1492
1493 trans->conf.queue_alloc_cmd_ver =
1494 iwl_fw_lookup_cmd_ver(mvm->fw,
1495 WIDE_ID(DATA_PATH_GROUP,
1496 SCD_QUEUE_CONFIG_CMD),
1497 0);
1498 mvm->sta_remove_requires_queue_remove =
1499 trans->conf.queue_alloc_cmd_ver > 0;
1500
1501 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw);
1502
1503 /* Configure transport layer */
1504 iwl_trans_op_mode_enter(mvm->trans, op_mode);
1505
1506 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
1507 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
1508
1509 /* set up notification wait support */
1510 iwl_notification_wait_init(&mvm->notif_wait);
1511
1512 /* Init phy db */
1513 mvm->phy_db = iwl_phy_db_init(trans);
1514 if (!mvm->phy_db) {
1515 IWL_ERR(mvm, "Cannot init phy_db\n");
1516 err = -ENOMEM;
1517 goto out_free;
1518 }
1519
1520 if (iwlwifi_mod_params.nvm_file)
1521 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
1522 else
1523 IWL_DEBUG_EEPROM(mvm->trans->dev,
1524 "working without external nvm file\n");
1525
1526 scan_size = iwl_mvm_scan_size(mvm);
1527
1528 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
1529 if (!mvm->scan_cmd) {
1530 err = -ENOMEM;
1531 goto out_free;
1532 }
1533 mvm->scan_cmd_size = scan_size;
1534
1535 /* invalidate ids to prevent accidental removal of sta_id 0 */
1536 mvm->aux_sta.sta_id = IWL_INVALID_STA;
1537 mvm->snif_sta.sta_id = IWL_INVALID_STA;
1538
1539 /* Set EBS as successful as long as not stated otherwise by the FW. */
1540 mvm->last_ebs_successful = true;
1541
1542 min_backoff = iwl_mvm_min_backoff(mvm);
1543 iwl_mvm_thermal_initialize(mvm, min_backoff);
1544
1545 if (!iwl_mvm_has_new_rx_stats_api(mvm))
1546 memset(&mvm->rx_stats_v3, 0,
1547 sizeof(struct mvm_statistics_rx_v3));
1548 else
1549 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
1550
1551 iwl_mvm_ftm_initiator_smooth_config(mvm);
1552
1553 iwl_mvm_init_time_sync(&mvm->time_sync);
1554
1555 mvm->debugfs_dir = dbgfs_dir;
1556
1557 #if IS_ENABLED(CONFIG_IWLMEI)
1558 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops);
1559 #else
1560 mvm->mei_registered = false;
1561 #endif
1562
1563 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter);
1564
1565 err = iwl_mvm_start_get_nvm(mvm);
1566 if (err) {
1567 /*
1568 * Getting NVM failed while CSME is the owner, but we are
1569 * registered to MEI, we'll get the NVM later when it'll be
1570 * possible to get it from CSME.
1571 */
1572 if (trans->csme_own && mvm->mei_registered)
1573 return op_mode;
1574
1575 goto out_thermal_exit;
1576 }
1577
1578
1579 err = iwl_mvm_start_post_nvm(mvm);
1580 if (err)
1581 goto out_thermal_exit;
1582
1583 return op_mode;
1584
1585 out_thermal_exit:
1586 iwl_mvm_thermal_exit(mvm);
1587 if (mvm->mei_registered) {
1588 iwl_mei_start_unregister();
1589 iwl_mei_unregister_complete();
1590 }
1591 out_free:
1592 iwl_fw_flush_dumps(&mvm->fwrt);
1593 iwl_fw_runtime_free(&mvm->fwrt);
1594
1595 iwl_phy_db_free(mvm->phy_db);
1596 kfree(mvm->scan_cmd);
1597 iwl_trans_op_mode_leave(trans);
1598
1599 ieee80211_free_hw(mvm->hw);
1600 return ERR_PTR(err);
1601 }
1602
iwl_mvm_stop_device(struct iwl_mvm * mvm)1603 void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1604 {
1605 lockdep_assert_held(&mvm->mutex);
1606
1607 iwl_fw_cancel_timestamp(&mvm->fwrt);
1608
1609 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1610
1611 iwl_mvm_pause_tcm(mvm, false);
1612
1613 iwl_fw_dbg_stop_sync(&mvm->fwrt);
1614 iwl_trans_stop_device(mvm->trans);
1615 iwl_free_fw_paging(&mvm->fwrt);
1616 iwl_fw_dump_conf_clear(&mvm->fwrt);
1617 iwl_mvm_mei_device_state(mvm, false);
1618 }
1619
iwl_op_mode_mvm_stop(struct iwl_op_mode * op_mode)1620 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
1621 {
1622 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1623 int i;
1624
1625 if (mvm->mei_registered) {
1626 rtnl_lock();
1627 iwl_mei_set_netdev(NULL);
1628 rtnl_unlock();
1629 iwl_mei_start_unregister();
1630 }
1631
1632 /*
1633 * After we unregister from mei, the worker can't be scheduled
1634 * anymore.
1635 */
1636 cancel_work_sync(&mvm->sap_connected_wk);
1637
1638 iwl_mvm_leds_exit(mvm);
1639
1640 iwl_mvm_thermal_exit(mvm);
1641
1642 /*
1643 * If we couldn't get ownership on the device and we couldn't
1644 * get the NVM from CSME, we haven't registered to mac80211.
1645 * In that case, we didn't fail op_mode_start, because we are
1646 * waiting for CSME to allow us to get the NVM to register to
1647 * mac80211. If that didn't happen, we haven't registered to
1648 * mac80211, hence the if below.
1649 */
1650 if (mvm->hw_registered)
1651 ieee80211_unregister_hw(mvm->hw);
1652
1653 kfree(mvm->scan_cmd);
1654 kfree(mvm->mcast_filter_cmd);
1655 mvm->mcast_filter_cmd = NULL;
1656
1657 kfree(mvm->error_recovery_buf);
1658 mvm->error_recovery_buf = NULL;
1659
1660 iwl_mvm_ptp_remove(mvm);
1661
1662 iwl_trans_op_mode_leave(mvm->trans);
1663
1664 iwl_phy_db_free(mvm->phy_db);
1665 mvm->phy_db = NULL;
1666
1667 kfree(mvm->nvm_data);
1668 kfree(mvm->mei_nvm_data);
1669 kfree(rcu_access_pointer(mvm->csme_conn_info));
1670 kfree(mvm->temp_nvm_data);
1671 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
1672 kfree(mvm->nvm_sections[i].data);
1673 kfree(mvm->acs_survey);
1674
1675 cancel_delayed_work_sync(&mvm->tcm.work);
1676
1677 iwl_fw_runtime_free(&mvm->fwrt);
1678 mutex_destroy(&mvm->mutex);
1679
1680 if (mvm->mei_registered)
1681 iwl_mei_unregister_complete();
1682
1683 ieee80211_free_hw(mvm->hw);
1684 }
1685
1686 struct iwl_async_handler_entry {
1687 struct list_head list;
1688 struct iwl_rx_cmd_buffer rxb;
1689 enum iwl_rx_handler_context context;
1690 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1691 };
1692
iwl_mvm_async_handlers_purge(struct iwl_mvm * mvm)1693 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
1694 {
1695 struct iwl_async_handler_entry *entry, *tmp;
1696
1697 spin_lock_bh(&mvm->async_handlers_lock);
1698 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1699 iwl_free_rxb(&entry->rxb);
1700 list_del(&entry->list);
1701 kfree(entry);
1702 }
1703 spin_unlock_bh(&mvm->async_handlers_lock);
1704 }
1705
1706 /*
1707 * This function receives a bitmap of rx async handler contexts
1708 * (&iwl_rx_handler_context) to handle, and runs only them
1709 */
iwl_mvm_async_handlers_by_context(struct iwl_mvm * mvm,u8 contexts)1710 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm,
1711 u8 contexts)
1712 {
1713 struct iwl_async_handler_entry *entry, *tmp;
1714 LIST_HEAD(local_list);
1715
1716 /*
1717 * Sync with Rx path with a lock. Remove all the entries of the
1718 * wanted contexts from this list, add them to a local one (lock free),
1719 * and then handle them.
1720 */
1721 spin_lock_bh(&mvm->async_handlers_lock);
1722 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1723 if (!(BIT(entry->context) & contexts))
1724 continue;
1725 list_del(&entry->list);
1726 list_add_tail(&entry->list, &local_list);
1727 }
1728 spin_unlock_bh(&mvm->async_handlers_lock);
1729
1730 list_for_each_entry_safe(entry, tmp, &local_list, list) {
1731 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED)
1732 mutex_lock(&mvm->mutex);
1733 entry->fn(mvm, &entry->rxb);
1734 iwl_free_rxb(&entry->rxb);
1735 list_del(&entry->list);
1736 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED)
1737 mutex_unlock(&mvm->mutex);
1738 kfree(entry);
1739 }
1740 }
1741
iwl_mvm_async_handlers_wiphy_wk(struct wiphy * wiphy,struct wiphy_work * wk)1742 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy,
1743 struct wiphy_work *wk)
1744 {
1745 struct iwl_mvm *mvm =
1746 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk);
1747 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY);
1748
1749 iwl_mvm_async_handlers_by_context(mvm, contexts);
1750 }
1751
iwl_mvm_async_handlers_wk(struct work_struct * wk)1752 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
1753 {
1754 struct iwl_mvm *mvm =
1755 container_of(wk, struct iwl_mvm, async_handlers_wk);
1756 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) |
1757 BIT(RX_HANDLER_ASYNC_UNLOCKED);
1758
1759 iwl_mvm_async_handlers_by_context(mvm, contexts);
1760 }
1761
iwl_mvm_rx_check_trigger(struct iwl_mvm * mvm,struct iwl_rx_packet * pkt)1762 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
1763 struct iwl_rx_packet *pkt)
1764 {
1765 struct iwl_fw_dbg_trigger_tlv *trig;
1766 struct iwl_fw_dbg_trigger_cmd *cmds_trig;
1767 int i;
1768
1769 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
1770 FW_DBG_TRIGGER_FW_NOTIF);
1771 if (!trig)
1772 return;
1773
1774 cmds_trig = (void *)trig->data;
1775
1776 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
1777 /* don't collect on CMD 0 */
1778 if (!cmds_trig->cmds[i].cmd_id)
1779 break;
1780
1781 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
1782 cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
1783 continue;
1784
1785 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
1786 "CMD 0x%02x.%02x received",
1787 pkt->hdr.group_id, pkt->hdr.cmd);
1788 break;
1789 }
1790 }
1791
iwl_mvm_rx_common(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb,struct iwl_rx_packet * pkt)1792 static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
1793 struct iwl_rx_cmd_buffer *rxb,
1794 struct iwl_rx_packet *pkt)
1795 {
1796 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
1797 int i;
1798 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
1799
1800 iwl_dbg_tlv_time_point(&mvm->fwrt,
1801 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
1802 iwl_mvm_rx_check_trigger(mvm, pkt);
1803
1804 /*
1805 * Do the notification wait before RX handlers so
1806 * even if the RX handler consumes the RXB we have
1807 * access to it in the notification wait entry.
1808 */
1809 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1810
1811 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1812 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1813 struct iwl_async_handler_entry *entry;
1814
1815 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1816 continue;
1817
1818 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size,
1819 "unexpected notification 0x%04x size %d, need %d\n",
1820 rx_h->cmd_id, pkt_len, rx_h->min_size))
1821 return;
1822
1823 if (rx_h->context == RX_HANDLER_SYNC) {
1824 rx_h->fn(mvm, rxb);
1825 return;
1826 }
1827
1828 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1829 /* we can't do much... */
1830 if (!entry)
1831 return;
1832
1833 entry->rxb._page = rxb_steal_page(rxb);
1834 entry->rxb._offset = rxb->_offset;
1835 entry->rxb._rx_page_order = rxb->_rx_page_order;
1836 entry->fn = rx_h->fn;
1837 entry->context = rx_h->context;
1838 spin_lock(&mvm->async_handlers_lock);
1839 list_add_tail(&entry->list, &mvm->async_handlers_list);
1840 spin_unlock(&mvm->async_handlers_lock);
1841 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY)
1842 wiphy_work_queue(mvm->hw->wiphy,
1843 &mvm->async_handlers_wiphy_wk);
1844 else
1845 schedule_work(&mvm->async_handlers_wk);
1846 break;
1847 }
1848 }
1849
iwl_mvm_rx(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb)1850 static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1851 struct napi_struct *napi,
1852 struct iwl_rx_cmd_buffer *rxb)
1853 {
1854 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1855 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1856 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1857
1858 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1859 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1860 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1861 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1862 else
1863 iwl_mvm_rx_common(mvm, rxb, pkt);
1864 }
1865
iwl_mvm_rx_mq(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb)1866 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1867 struct napi_struct *napi,
1868 struct iwl_rx_cmd_buffer *rxb)
1869 {
1870 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1871 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1872 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1873
1874 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1875 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1876 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1877 RX_QUEUES_NOTIFICATION)))
1878 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
1879 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1880 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1881 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1882 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
1883 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1884 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1885 else
1886 iwl_mvm_rx_common(mvm, rxb, pkt);
1887 }
1888
iwl_mvm_is_static_queue(struct iwl_mvm * mvm,int queue)1889 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1890 {
1891 return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1892 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1893 }
1894
iwl_mvm_queue_state_change(struct iwl_op_mode * op_mode,int hw_queue,bool start)1895 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1896 int hw_queue, bool start)
1897 {
1898 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1899 struct ieee80211_sta *sta;
1900 struct ieee80211_txq *txq;
1901 struct iwl_mvm_txq *mvmtxq;
1902 int i;
1903 unsigned long tid_bitmap;
1904 struct iwl_mvm_sta *mvmsta;
1905 u8 sta_id;
1906
1907 sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1908 mvm->tvqm_info[hw_queue].sta_id :
1909 mvm->queue_info[hw_queue].ra_sta_id;
1910
1911 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations))
1912 return;
1913
1914 rcu_read_lock();
1915
1916 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1917 if (IS_ERR_OR_NULL(sta))
1918 goto out;
1919 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1920
1921 if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1922 if (!start)
1923 ieee80211_stop_queues(mvm->hw);
1924 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1925 ieee80211_wake_queues(mvm->hw);
1926
1927 goto out;
1928 }
1929
1930 if (iwl_mvm_has_new_tx_api(mvm)) {
1931 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1932
1933 tid_bitmap = BIT(tid);
1934 } else {
1935 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1936 }
1937
1938 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1939 int tid = i;
1940
1941 if (tid == IWL_MAX_TID_COUNT)
1942 tid = IEEE80211_NUM_TIDS;
1943
1944 txq = sta->txq[tid];
1945 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1946 if (start)
1947 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1948 else
1949 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1950
1951 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) {
1952 local_bh_disable();
1953 iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1954 local_bh_enable();
1955 }
1956 }
1957
1958 out:
1959 rcu_read_unlock();
1960 }
1961
iwl_mvm_stop_sw_queue(struct iwl_op_mode * op_mode,int hw_queue)1962 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1963 {
1964 iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1965 }
1966
iwl_mvm_wake_sw_queue(struct iwl_op_mode * op_mode,int hw_queue)1967 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1968 {
1969 iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1970 }
1971
iwl_mvm_set_rfkill_state(struct iwl_mvm * mvm)1972 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1973 {
1974 wiphy_rfkill_set_hw_state(mvm->hw->wiphy,
1975 iwl_mvm_is_radio_killed(mvm));
1976 }
1977
iwl_mvm_set_hw_ctkill_state(struct iwl_mvm * mvm,bool state)1978 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1979 {
1980 if (state)
1981 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1982 else
1983 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1984
1985 iwl_mvm_set_rfkill_state(mvm);
1986 }
1987
iwl_mvm_get_csme_conn_info(struct iwl_mvm * mvm)1988 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm)
1989 {
1990 return rcu_dereference_protected(mvm->csme_conn_info,
1991 lockdep_is_held(&mvm->mutex));
1992 }
1993
iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode * op_mode,bool state)1994 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1995 {
1996 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1997 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1998 bool unified = iwl_mvm_has_unified_ucode(mvm);
1999
2000 if (state)
2001 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
2002 else
2003 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
2004
2005 iwl_mvm_set_rfkill_state(mvm);
2006
2007 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */
2008 if (rfkill_safe_init_done)
2009 iwl_abort_notification_waits(&mvm->notif_wait);
2010
2011 /*
2012 * Don't ask the transport to stop the firmware. We'll do it
2013 * after cfg80211 takes us down.
2014 */
2015 if (unified)
2016 return false;
2017
2018 /*
2019 * Stop the device if we run OPERATIONAL firmware or if we are in the
2020 * middle of the calibrations.
2021 */
2022 return state && rfkill_safe_init_done;
2023 }
2024
iwl_mvm_free_skb(struct iwl_op_mode * op_mode,struct sk_buff * skb)2025 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
2026 {
2027 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2028 struct ieee80211_tx_info *info;
2029
2030 info = IEEE80211_SKB_CB(skb);
2031 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
2032 ieee80211_free_txskb(mvm->hw, skb);
2033 }
2034
iwl_mvm_nic_error(struct iwl_op_mode * op_mode,enum iwl_fw_error_type type)2035 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode,
2036 enum iwl_fw_error_type type)
2037 {
2038 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2039
2040 iwl_abort_notification_waits(&mvm->notif_wait);
2041 iwl_dbg_tlv_del_timers(mvm->trans);
2042
2043 if (type == IWL_ERR_TYPE_CMD_QUEUE_FULL)
2044 IWL_ERR(mvm, "Command queue full!\n");
2045 else if (!iwl_trans_is_dead(mvm->trans) &&
2046 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE,
2047 &mvm->status))
2048 iwl_mvm_dump_nic_error_log(mvm);
2049
2050 /*
2051 * This should be first thing before trying to collect any
2052 * data to avoid endless loops if any HW error happens while
2053 * collecting debug data.
2054 * It might not actually be true that we'll restart, but the
2055 * setting of the bit doesn't matter if we're going to be
2056 * unbound either.
2057 */
2058 if (type != IWL_ERR_TYPE_RESET_HS_TIMEOUT)
2059 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
2060 }
2061
iwl_mvm_dump_error(struct iwl_op_mode * op_mode,struct iwl_fw_error_dump_mode * mode)2062 static void iwl_mvm_dump_error(struct iwl_op_mode *op_mode,
2063 struct iwl_fw_error_dump_mode *mode)
2064 {
2065 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2066
2067 /* if we come in from opmode we have the mutex held */
2068 if (mode->context == IWL_ERR_CONTEXT_FROM_OPMODE) {
2069 lockdep_assert_held(&mvm->mutex);
2070 iwl_fw_error_collect(&mvm->fwrt);
2071 } else {
2072 mutex_lock(&mvm->mutex);
2073 if (mode->context != IWL_ERR_CONTEXT_ABORT)
2074 iwl_fw_error_collect(&mvm->fwrt);
2075 mutex_unlock(&mvm->mutex);
2076 }
2077 }
2078
iwl_mvm_sw_reset(struct iwl_op_mode * op_mode,enum iwl_fw_error_type type)2079 static bool iwl_mvm_sw_reset(struct iwl_op_mode *op_mode,
2080 enum iwl_fw_error_type type)
2081 {
2082 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2083
2084 /*
2085 * If the firmware crashes while we're already considering it
2086 * to be dead then don't ask for a restart, that cannot do
2087 * anything useful anyway.
2088 */
2089 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status))
2090 return false;
2091
2092 /*
2093 * This is a bit racy, but worst case we tell mac80211 about
2094 * a stopped/aborted scan when that was already done which
2095 * is not a problem. It is necessary to abort any os scan
2096 * here because mac80211 requires having the scan cleared
2097 * before restarting.
2098 * We'll reset the scan_status to NONE in restart cleanup in
2099 * the next start() call from mac80211. If restart isn't called
2100 * (no fw restart) scan status will stay busy.
2101 */
2102 iwl_mvm_report_scan_aborted(mvm);
2103
2104 /*
2105 * If INIT fw asserted, it will likely fail again.
2106 * If WoWLAN fw asserted, don't restart either, mac80211
2107 * can't recover this since we're already half suspended.
2108 */
2109 if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && mvm->hw_registered) {
2110 if (mvm->fw->ucode_capa.error_log_size) {
2111 u32 src_size = mvm->fw->ucode_capa.error_log_size;
2112 u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
2113 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
2114
2115 if (recover_buf) {
2116 mvm->error_recovery_buf = recover_buf;
2117 iwl_trans_read_mem_bytes(mvm->trans,
2118 src_addr,
2119 recover_buf,
2120 src_size);
2121 }
2122 }
2123
2124 if (mvm->fwrt.trans->dbg.restart_required) {
2125 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n");
2126 mvm->fwrt.trans->dbg.restart_required = false;
2127 ieee80211_restart_hw(mvm->hw);
2128 return true;
2129 } else if (mvm->trans->mac_cfg->device_family <= IWL_DEVICE_FAMILY_8000) {
2130 ieee80211_restart_hw(mvm->hw);
2131 return true;
2132 }
2133 }
2134
2135 return false;
2136 }
2137
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)2138 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode,
2139 enum iwl_fw_ini_time_point tp_id,
2140 union iwl_dbg_tlv_tp_data *tp_data)
2141 {
2142 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2143
2144 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data);
2145 }
2146
iwl_mvm_dump(struct iwl_op_mode * op_mode)2147 static void iwl_mvm_dump(struct iwl_op_mode *op_mode)
2148 {
2149 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2150 struct iwl_fw_runtime *fwrt = &mvm->fwrt;
2151
2152 if (!iwl_trans_fw_running(fwrt->trans))
2153 return;
2154
2155 iwl_dbg_tlv_time_point(fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER, NULL);
2156 }
2157
2158 #ifdef CONFIG_PM_SLEEP
iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode * op_mode)2159 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode)
2160 {
2161 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2162
2163 mutex_lock(&mvm->mutex);
2164 clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status);
2165 iwl_mvm_stop_device(mvm);
2166 mvm->fast_resume = false;
2167 mutex_unlock(&mvm->mutex);
2168 }
2169 #else
iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode * op_mode)2170 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode)
2171 {}
2172 #endif
2173
2174 #define IWL_MVM_COMMON_OPS \
2175 /* these could be differentiated */ \
2176 .queue_full = iwl_mvm_stop_sw_queue, \
2177 .queue_not_full = iwl_mvm_wake_sw_queue, \
2178 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
2179 .free_skb = iwl_mvm_free_skb, \
2180 .nic_error = iwl_mvm_nic_error, \
2181 .dump_error = iwl_mvm_dump_error, \
2182 .sw_reset = iwl_mvm_sw_reset, \
2183 .nic_config = iwl_mvm_nic_config, \
2184 /* as we only register one, these MUST be common! */ \
2185 .start = iwl_op_mode_mvm_start, \
2186 .stop = iwl_op_mode_mvm_stop, \
2187 .time_point = iwl_op_mode_mvm_time_point, \
2188 .device_powered_off = iwl_op_mode_mvm_device_powered_off
2189
2190 static const struct iwl_op_mode_ops iwl_mvm_ops = {
2191 IWL_MVM_COMMON_OPS,
2192 .rx = iwl_mvm_rx,
2193 };
2194
iwl_mvm_rx_mq_rss(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb,unsigned int queue)2195 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
2196 struct napi_struct *napi,
2197 struct iwl_rx_cmd_buffer *rxb,
2198 unsigned int queue)
2199 {
2200 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2201 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2202 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
2203
2204 if (unlikely(queue >= mvm->trans->info.num_rxqs))
2205 return;
2206
2207 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
2208 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
2209 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
2210 RX_QUEUES_NOTIFICATION)))
2211 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
2212 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
2213 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
2214 }
2215
2216 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
2217 IWL_MVM_COMMON_OPS,
2218 .rx = iwl_mvm_rx_mq,
2219 .rx_rss = iwl_mvm_rx_mq_rss,
2220 .dump = iwl_mvm_dump,
2221 };
2222