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wifi: iwlwifi: mvm: fix mvmtxq->stopped handling
[linux-block.git] / drivers / net / wireless / intel / iwlwifi / mvm / ops.c
CommitLineData
8e99ea8d
JB		 1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2/*
3 * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
6 */
8ca151b5 7#include <linux/module.h>
e6e59044 8#include <linux/rtnetlink.h>
1bd3cbc1 9#include <linux/vmalloc.h>
8ca151b5
JB		 10#include <net/mac80211.h>
11
9fca9d5c 12#include "fw/notif-wait.h"
8ca151b5
JB		 13#include "iwl-trans.h"
14#include "iwl-op-mode.h"
d962f9b1 15#include "fw/img.h"
8ca151b5
JB		 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-eeprom-parse.h"
22#include "iwl-csr.h"
23#include "iwl-io.h"
24#include "iwl-prph.h"
25#include "rs.h"
d172a5ef 26#include "fw/api/scan.h"
63b62a2d 27#include "fw/api/rfi.h"
8ca151b5 28#include "time-event.h"
39bdb17e 29#include "fw-api.h"
f2abcfa6 30#include "fw/acpi.h"
c593d2fa 31#include "fw/uefi.h"
8ca151b5 32
8ca151b5 33#define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
8ca151b5 34MODULE_DESCRIPTION(DRV_DESCRIPTION);
8ca151b5 35MODULE_LICENSE("GPL");
872f6bb0 36MODULE_IMPORT_NS(IWLWIFI);
8ca151b5
JB		 37
38static const struct iwl_op_mode_ops iwl_mvm_ops;
0316d30e 39static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
8ca151b5
JB		 40
41struct iwl_mvm_mod_params iwlmvm_mod_params = {
42 .power_scheme = IWL_POWER_SCHEME_BPS,
43 /* rest of fields are 0 by default */
44};
45
2ef00c53 46module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
8ca151b5
JB		 47MODULE_PARM_DESC(init_dbg,
48 "set to true to debug an ASSERT in INIT fw (default: false");
2ef00c53 49module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
8ca151b5
JB		 50MODULE_PARM_DESC(power_scheme,
51 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
52
53/*
54 * module init and exit functions
55 */
56static int __init iwl_mvm_init(void)
57{
58 int ret;
59
60 ret = iwl_mvm_rate_control_register();
61 if (ret) {
62 pr_err("Unable to register rate control algorithm: %d\n", ret);
63 return ret;
64 }
65
66 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
9f66a397 67 if (ret)
8ca151b5 68 pr_err("Unable to register MVM op_mode: %d\n", ret);
8ca151b5
JB		 69
70 return ret;
71}
72module_init(iwl_mvm_init);
73
74static void __exit iwl_mvm_exit(void)
75{
76 iwl_opmode_deregister("iwlmvm");
77 iwl_mvm_rate_control_unregister();
78}
79module_exit(iwl_mvm_exit);
80
81static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
82{
83 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
84 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
55c6d8f8 85 u32 reg_val;
a0544272
MH		 86 u32 phy_config = iwl_mvm_get_phy_config(mvm);
87
88 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
89 FW_PHY_CFG_RADIO_TYPE_POS;
90 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
91 FW_PHY_CFG_RADIO_STEP_POS;
92 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
93 FW_PHY_CFG_RADIO_DASH_POS;
8ca151b5 94
b201944a
MK		 95 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
96 radio_cfg_step, radio_cfg_dash);
97
98 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
99 return;
100
8ca151b5 101 /* SKU control */
55c6d8f8 102 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->hw_rev);
8ca151b5
JB		 103
104 /* radio configuration */
105 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
106 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
107 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
108
109 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
110 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
111
9b1fcc11 112 /*
6e584873
SS		 113 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
114 * sampling, and shouldn't be set to any non-zero value.
115 * The same is supposed to be true of the other HW, but unsetting
116 * them (such as the 7260) causes automatic tests to fail on seemingly
117 * unrelated errors. Need to further investigate this, but for now
118 * we'll separate cases.
9b1fcc11 119 */
286ca8eb 120 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000)
9b1fcc11 121 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
8ca151b5 122
e75bc5f3 123 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt))
2d8c2615
SM		 124 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
125
e139dc4a 126 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
55c6d8f8 127 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH |
e139dc4a
LE		 128 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
129 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
130 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
131 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
2d8c2615
SM		 132 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI |
133 CSR_HW_IF_CONFIG_REG_D3_DEBUG,
e139dc4a 134 reg_val);
8ca151b5 135
8ca151b5
JB		 136 /*
137 * W/A : NIC is stuck in a reset state after Early PCIe power off
138 * (PCIe power is lost before PERST# is asserted), causing ME FW
139 * to lose ownership and not being able to obtain it back.
140 */
95411d04 141 if (!mvm->trans->cfg->apmg_not_supported)
3073d8c0
EH		 142 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
143 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
144 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
8ca151b5
JB		 145}
146
f7d6ef33
JB		 147static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm,
148 struct iwl_rx_cmd_buffer *rxb)
149{
150 struct iwl_rx_packet *pkt = rxb_addr(rxb);
151 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data;
152 struct ieee80211_supported_band *sband;
153 const struct ieee80211_sta_he_cap *he_cap;
154 struct ieee80211_vif *vif;
155
156 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA))
157 return;
158
159 vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id);
160 if (!vif || vif->type != NL80211_IFTYPE_STATION)
161 return;
162
163 if (!vif->bss_conf.chandef.chan ||
164 vif->bss_conf.chandef.chan->band != NL80211_BAND_2GHZ ||
165 vif->bss_conf.chandef.width < NL80211_CHAN_WIDTH_40)
166 return;
167
f276e20b 168 if (!vif->cfg.assoc)
f7d6ef33
JB		 169 return;
170
171 /* this shouldn't happen *again*, ignore it */
172 if (mvm->cca_40mhz_workaround)
173 return;
174
175 /*
176 * We'll decrement this on disconnect - so set to 2 since we'll
177 * still have to disconnect from the current AP first.
178 */
179 mvm->cca_40mhz_workaround = 2;
180
181 /*
182 * This capability manipulation isn't really ideal, but it's the
183 * easiest choice - otherwise we'd have to do some major changes
184 * in mac80211 to support this, which isn't worth it. This does
185 * mean that userspace may have outdated information, but that's
186 * actually not an issue at all.
187 */
188 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
189
190 WARN_ON(!sband->ht_cap.ht_supported);
191 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40));
192 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
193
194 he_cap = ieee80211_get_he_iftype_cap(sband,
195 ieee80211_vif_type_p2p(vif));
196
197 if (he_cap) {
198 /* we know that ours is writable */
0301bcd5 199 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap;
f7d6ef33
JB		 200
201 WARN_ON(!he->has_he);
202 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] &
203 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G));
204 he->he_cap_elem.phy_cap_info[0] &=
205 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
206 }
207
208 ieee80211_disconnect(vif, true);
209}
210
2a7ce54c
JB		 211void iwl_mvm_apply_fw_smps_request(struct ieee80211_vif *vif)
212{
213 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
214 struct iwl_mvm *mvm = mvmvif->mvm;
de34d1c1 215 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC;
2a7ce54c 216
de34d1c1
JB		 217 if (mvm->fw_static_smps_request &&
218 vif->bss_conf.chandef.width == NL80211_CHAN_WIDTH_160 &&
219 vif->bss_conf.he_support)
220 mode = IEEE80211_SMPS_STATIC;
221
222 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode);
2a7ce54c
JB		 223}
224
225static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac,
226 struct ieee80211_vif *vif)
227{
228 iwl_mvm_apply_fw_smps_request(vif);
229}
230
231static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm,
232 struct iwl_rx_cmd_buffer *rxb)
233{
234 struct iwl_rx_packet *pkt = rxb_addr(rxb);
235 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data;
236
237 /*
238 * We could pass it to the iterator data, but also need to remember
239 * it for new interfaces that are added while in this state.
240 */
241 mvm->fw_static_smps_request =
242 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE);
8a265d1a
LC		 243 ieee80211_iterate_interfaces(mvm->hw,
244 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER,
2a7ce54c
JB		 245 iwl_mvm_intf_dual_chain_req, NULL);
246}
247
c9cb14a6
CRI		 248/**
249 * enum iwl_rx_handler_context context for Rx handler
250 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
251 * which can't acquire mvm->mutex.
252 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
253 * (and only in this case!), it should be set as ASYNC. In that case,
254 * it will be called from a worker with mvm->mutex held.
255 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
256 * mutex itself, it will be called from a worker without mvm->mutex held.
257 */
258enum iwl_rx_handler_context {
259 RX_HANDLER_SYNC,
260 RX_HANDLER_ASYNC_LOCKED,
261 RX_HANDLER_ASYNC_UNLOCKED,
262};
263
264/**
265 * struct iwl_rx_handlers handler for FW notification
266 * @cmd_id: command id
80cba44f 267 * @min_size: minimum size to expect for the notification
c9cb14a6
CRI		 268 * @context: see &iwl_rx_handler_context
269 * @fn: the function is called when notification is received
270 */
8ca151b5 271struct iwl_rx_handlers {
afc857bc 272 u16 cmd_id, min_size;
c9cb14a6 273 enum iwl_rx_handler_context context;
0416841d 274 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
8ca151b5
JB		 275};
276
afc857bc
JB		 277#define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \
278 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, }
279#define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \
280 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, }
281#define RX_HANDLER(_cmd_id, _fn, _context, _struct) \
282 { .cmd_id = _cmd_id, .fn = _fn, \
283 .context = _context, .min_size = sizeof(_struct), }
284#define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \
285 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \
286 .context = _context, .min_size = sizeof(_struct), }
8ca151b5
JB		 287
288/*
289 * Handlers for fw notifications
290 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
291 * This list should be in order of frequency for performance purposes.
292 *
c9cb14a6 293 * The handler can be one from three contexts, see &iwl_rx_handler_context
8ca151b5
JB		 294 */
295static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
afc857bc
JB		 296 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC,
297 struct iwl_mvm_tx_resp),
298 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC,
299 struct iwl_mvm_ba_notif),
c9cb14a6 300
84226ca1 301 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
afc857bc
JB		 302 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC,
303 struct iwl_tlc_update_notif),
84226ca1 304
c9cb14a6 305 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
afc857bc
JB		 306 RX_HANDLER_ASYNC_LOCKED, struct iwl_bt_coex_profile_notif),
307 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
308 RX_HANDLER_ASYNC_LOCKED),
309 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
310 RX_HANDLER_ASYNC_LOCKED),
f421f9c3 311
3af512d6 312 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
afc857bc
JB		 313 iwl_mvm_window_status_notif, RX_HANDLER_SYNC,
314 struct iwl_ba_window_status_notif),
3af512d6 315
c9cb14a6 316 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
afc857bc 317 RX_HANDLER_SYNC, struct iwl_time_event_notif),
fe959c7b 318 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
afc857bc
JB		 319 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC,
320 struct iwl_mvm_session_prot_notif),
c9cb14a6 321 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
afc857bc 322 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif),
497b49d2 323
afc857bc
JB		 324 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC,
325 struct iwl_mvm_eosp_notification),
3e56eadf 326
e5d74646 327 RX_HANDLER(SCAN_ITERATION_COMPLETE,
afc857bc
JB		 328 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC,
329 struct iwl_lmac_scan_complete_notif),
35a000b7 330 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
c9cb14a6 331 iwl_mvm_rx_lmac_scan_complete_notif,
afc857bc
JB		 332 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete),
333 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION,
334 iwl_mvm_rx_scan_match_found,
335 RX_HANDLER_SYNC),
d2496221 336 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
afc857bc 337 RX_HANDLER_ASYNC_LOCKED, struct iwl_umac_scan_complete),
ee9219b2 338 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
afc857bc
JB		 339 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC,
340 struct iwl_umac_scan_iter_complete_notif),
497b49d2 341
d64048ed 342 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
afc857bc 343 RX_HANDLER_SYNC, struct iwl_missed_beacons_notif),
d64048ed 344
afc857bc
JB		 345 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC,
346 struct iwl_error_resp),
175a70b7 347 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
afc857bc
JB		 348 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC,
349 struct iwl_uapsd_misbehaving_ap_notif),
350 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
351 RX_HANDLER_ASYNC_LOCKED),
352 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
353 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
0a3b7119 354 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
afc857bc
JB		 355 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC,
356 struct ct_kill_notif),
ea9af24d 357
1d3c3f63 358 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
afc857bc
JB		 359 RX_HANDLER_ASYNC_LOCKED,
360 struct iwl_tdls_channel_switch_notif),
c9cb14a6 361 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
afc857bc 362 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1),
b73f9a4a 363 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
afc857bc
JB		 364 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED,
365 struct iwl_ftm_responder_stats),
fc36ffda 366
afc857bc
JB		 367 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
368 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
369 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF,
370 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
fc36ffda 371
bdccdb85 372 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
afc857bc
JB		 373 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC,
374 struct iwl_mfu_assert_dump_notif),
0db056d3 375 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
afc857bc 376 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC,
fb3fac5f 377 struct iwl_stored_beacon_notif_v2),
f92659a1 378 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
afc857bc
JB		 379 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC,
380 struct iwl_mu_group_mgmt_notif),
65e25482 381 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
afc857bc
JB		 382 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC,
383 struct iwl_mvm_pm_state_notification),
8a59d390
JB		 384 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF,
385 iwl_mvm_probe_resp_data_notif,
afc857bc
JB		 386 RX_HANDLER_ASYNC_LOCKED,
387 struct iwl_probe_resp_data_notif),
6905eb1c
NE		 388 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF,
389 iwl_mvm_channel_switch_start_notif,
390 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif),
ad12b231
NE		 391 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF,
392 iwl_mvm_channel_switch_error_notif,
393 RX_HANDLER_ASYNC_UNLOCKED,
394 struct iwl_channel_switch_error_notif),
f7d6ef33
JB		 395 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF,
396 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED,
397 struct iwl_datapath_monitor_notif),
2a7ce54c
JB		 398
399 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST,
400 iwl_mvm_rx_thermal_dual_chain_req,
401 RX_HANDLER_ASYNC_LOCKED,
402 struct iwl_thermal_dual_chain_request),
63b62a2d
GG		 403
404 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF,
405 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED,
406 struct iwl_rfi_deactivate_notif),
8ca151b5
JB		 407};
408#undef RX_HANDLER
1230b16b 409#undef RX_HANDLER_GRP
39bdb17e
SD		 410
411/* Please keep this array *SORTED* by hex value.
412 * Access is done through binary search
413 */
414static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
9422b978 415 HCMD_NAME(UCODE_ALIVE_NTFY),
39bdb17e
SD		 416 HCMD_NAME(REPLY_ERROR),
417 HCMD_NAME(ECHO_CMD),
418 HCMD_NAME(INIT_COMPLETE_NOTIF),
419 HCMD_NAME(PHY_CONTEXT_CMD),
420 HCMD_NAME(DBG_CFG),
39bdb17e
SD		 421 HCMD_NAME(SCAN_CFG_CMD),
422 HCMD_NAME(SCAN_REQ_UMAC),
423 HCMD_NAME(SCAN_ABORT_UMAC),
424 HCMD_NAME(SCAN_COMPLETE_UMAC),
3af512d6 425 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
39bdb17e
SD		 426 HCMD_NAME(ADD_STA_KEY),
427 HCMD_NAME(ADD_STA),
428 HCMD_NAME(REMOVE_STA),
429 HCMD_NAME(FW_GET_ITEM_CMD),
430 HCMD_NAME(TX_CMD),
431 HCMD_NAME(SCD_QUEUE_CFG),
432 HCMD_NAME(TXPATH_FLUSH),
433 HCMD_NAME(MGMT_MCAST_KEY),
434 HCMD_NAME(WEP_KEY),
435 HCMD_NAME(SHARED_MEM_CFG),
436 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
437 HCMD_NAME(MAC_CONTEXT_CMD),
438 HCMD_NAME(TIME_EVENT_CMD),
439 HCMD_NAME(TIME_EVENT_NOTIFICATION),
440 HCMD_NAME(BINDING_CONTEXT_CMD),
441 HCMD_NAME(TIME_QUOTA_CMD),
442 HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
7089ae63 443 HCMD_NAME(LEDS_CMD),
39bdb17e
SD		 444 HCMD_NAME(LQ_CMD),
445 HCMD_NAME(FW_PAGING_BLOCK_CMD),
446 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
447 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
448 HCMD_NAME(HOT_SPOT_CMD),
449 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
39bdb17e
SD		 450 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
451 HCMD_NAME(BT_COEX_CI),
452 HCMD_NAME(PHY_CONFIGURATION_CMD),
453 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
176aa60b 454 HCMD_NAME(PHY_DB_CMD),
39bdb17e
SD		 455 HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
456 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
39bdb17e
SD		 457 HCMD_NAME(POWER_TABLE_CMD),
458 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
459 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
39bdb17e 460 HCMD_NAME(NVM_ACCESS_CMD),
39bdb17e
SD		 461 HCMD_NAME(BEACON_NOTIFICATION),
462 HCMD_NAME(BEACON_TEMPLATE_CMD),
463 HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
464 HCMD_NAME(BT_CONFIG),
465 HCMD_NAME(STATISTICS_CMD),
466 HCMD_NAME(STATISTICS_NOTIFICATION),
467 HCMD_NAME(EOSP_NOTIFICATION),
468 HCMD_NAME(REDUCE_TX_POWER_CMD),
39bdb17e
SD		 469 HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
470 HCMD_NAME(TDLS_CONFIG_CMD),
471 HCMD_NAME(MAC_PM_POWER_TABLE),
472 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
473 HCMD_NAME(MFUART_LOAD_NOTIFICATION),
43413a97 474 HCMD_NAME(RSS_CONFIG_CMD),
39bdb17e
SD		 475 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
476 HCMD_NAME(REPLY_RX_PHY_CMD),
477 HCMD_NAME(REPLY_RX_MPDU_CMD),
fe69b7d1 478 HCMD_NAME(BAR_FRAME_RELEASE),
3e73aa3b 479 HCMD_NAME(FRAME_RELEASE),
39bdb17e
SD		 480 HCMD_NAME(BA_NOTIF),
481 HCMD_NAME(MCC_UPDATE_CMD),
482 HCMD_NAME(MCC_CHUB_UPDATE_CMD),
483 HCMD_NAME(MARKER_CMD),
39bdb17e 484 HCMD_NAME(BT_PROFILE_NOTIFICATION),
39bdb17e
SD		 485 HCMD_NAME(MCAST_FILTER_CMD),
486 HCMD_NAME(REPLY_SF_CFG_CMD),
487 HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
488 HCMD_NAME(D3_CONFIG_CMD),
489 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
490 HCMD_NAME(OFFLOADS_QUERY_CMD),
39bdb17e 491 HCMD_NAME(MATCH_FOUND_NOTIFICATION),
39bdb17e
SD		 492 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
493 HCMD_NAME(WOWLAN_PATTERNS),
494 HCMD_NAME(WOWLAN_CONFIGURATION),
495 HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
496 HCMD_NAME(WOWLAN_TKIP_PARAM),
497 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
498 HCMD_NAME(WOWLAN_GET_STATUSES),
39bdb17e
SD		 499 HCMD_NAME(SCAN_ITERATION_COMPLETE),
500 HCMD_NAME(D0I3_END_CMD),
501 HCMD_NAME(LTR_CONFIG),
60ced797 502 HCMD_NAME(LDBG_CONFIG_CMD),
8ca151b5 503};
39bdb17e 504
5b086414
GBA		 505/* Please keep this array *SORTED* by hex value.
506 * Access is done through binary search
507 */
508static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
509 HCMD_NAME(SHARED_MEM_CFG_CMD),
4399caaa 510 HCMD_NAME(INIT_EXTENDED_CFG_CMD),
f130bb75 511 HCMD_NAME(FW_ERROR_RECOVERY_CMD),
1e8b7f43
JB		 512 HCMD_NAME(RFI_CONFIG_CMD),
513 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD),
e93d4aaf 514 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD),
63b62a2d 515 HCMD_NAME(RFI_DEACTIVATE_NOTIF),
5b086414
GBA		 516};
517
03098268
AE		 518/* Please keep this array *SORTED* by hex value.
519 * Access is done through binary search
520 */
521static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
74a10252 522 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
fe959c7b
EG		 523 HCMD_NAME(SESSION_PROTECTION_CMD),
524 HCMD_NAME(SESSION_PROTECTION_NOTIF),
6905eb1c 525 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF),
03098268
AE		 526};
527
39bdb17e
SD		 528/* Please keep this array *SORTED* by hex value.
529 * Access is done through binary search
530 */
531static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
532 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
5c89e7bc 533 HCMD_NAME(CTDP_CONFIG_CMD),
c221daf2 534 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
523de6c8 535 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD),
0a3b7119 536 HCMD_NAME(CT_KILL_NOTIFICATION),
39bdb17e
SD		 537 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
538};
539
e0d8fdec
SS		 540/* Please keep this array *SORTED* by hex value.
541 * Access is done through binary search
542 */
543static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
ddef2f98 544 HCMD_NAME(DQA_ENABLE_CMD),
e0d8fdec 545 HCMD_NAME(UPDATE_MU_GROUPS_CMD),
94bb4481 546 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
514c3069 547 HCMD_NAME(STA_HE_CTXT_CMD),
c48e93a6 548 HCMD_NAME(RLC_CONFIG_CMD),
8edbfaa1 549 HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
f4056d71 550 HCMD_NAME(TLC_MNG_CONFIG_CMD),
5213e8a8 551 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
227f2597 552 HCMD_NAME(SCD_QUEUE_CONFIG_CMD),
5c75a208 553 HCMD_NAME(SEC_KEY_CMD),
f7d6ef33 554 HCMD_NAME(MONITOR_NOTIF),
2a7ce54c 555 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST),
65e25482 556 HCMD_NAME(STA_PM_NOTIF),
f92659a1 557 HCMD_NAME(MU_GROUP_MGMT_NOTIF),
94bb4481 558 HCMD_NAME(RX_QUEUES_NOTIFICATION),
e0d8fdec
SS		 559};
560
5ac54afd
IP		 561/* Please keep this array *SORTED* by hex value.
562 * Access is done through binary search
563 */
564static const struct iwl_hcmd_names iwl_mvm_scan_names[] = {
565 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF),
566};
567
6c161980
JB		 568/* Please keep this array *SORTED* by hex value.
569 * Access is done through binary search
570 */
571static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
572 HCMD_NAME(TOF_RANGE_REQ_CMD),
573 HCMD_NAME(TOF_CONFIG_CMD),
574 HCMD_NAME(TOF_RANGE_ABORT_CMD),
575 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
576 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
577 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
578 HCMD_NAME(TOF_LC_NOTIF),
579 HCMD_NAME(TOF_RESPONDER_STATS),
580 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
581 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
582};
583
0db056d3
SS		 584/* Please keep this array *SORTED* by hex value.
585 * Access is done through binary search
586 */
587static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
219ed58f 588 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION),
4da46a06 589 HCMD_NAME(WOWLAN_INFO_NOTIFICATION),
c39e718a 590 HCMD_NAME(D3_END_NOTIFICATION),
0db056d3
SS		 591 HCMD_NAME(STORED_BEACON_NTF),
592};
593
1f370650
SS		 594/* Please keep this array *SORTED* by hex value.
595 * Access is done through binary search
596 */
597static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
598 HCMD_NAME(NVM_ACCESS_COMPLETE),
e9e1ba3d 599 HCMD_NAME(NVM_GET_INFO),
28dd7ccd 600 HCMD_NAME(TAS_CONFIG),
1f370650
SS		 601};
602
39bdb17e
SD		 603static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
604 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
605 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
5b086414 606 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
03098268 607 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
39bdb17e 608 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
e0d8fdec 609 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
5ac54afd 610 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names),
6c161980 611 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
0db056d3 612 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
1f370650
SS		 613 [REGULATORY_AND_NVM_GROUP] =
614 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
39bdb17e
SD		 615};
616
8ca151b5
JB		 617/* this forward declaration can avoid to export the function */
618static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
619
f2abcfa6 620static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
0c0e2c71 621{
f2abcfa6
LC		 622 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
623 u64 dflt_pwr_limit;
0c0e2c71 624
f2abcfa6 625 if (!backoff)
0c0e2c71
IY		 626 return 0;
627
f2abcfa6 628 dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
0c0e2c71 629
f2abcfa6
LC		 630 while (backoff->pwr) {
631 if (dflt_pwr_limit >= backoff->pwr)
632 return backoff->backoff;
633
634 backoff++;
0c0e2c71
IY		 635 }
636
637 return 0;
638}
639
d3a108a4
AO		 640static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
641{
642 struct iwl_mvm *mvm =
643 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
644 struct ieee80211_vif *tx_blocked_vif;
645 struct iwl_mvm_vif *mvmvif;
646
647 mutex_lock(&mvm->mutex);
648
649 tx_blocked_vif =
650 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
651 lockdep_is_held(&mvm->mutex));
652
653 if (!tx_blocked_vif)
654 goto unlock;
655
656 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
657 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
658 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
659unlock:
660 mutex_unlock(&mvm->mutex);
661}
662
f5cdcb86 663static void iwl_mvm_fwrt_dump_start(void *ctx)
7174beb6
JB		 664{
665 struct iwl_mvm *mvm = ctx;
c7ab138e
SM		 666
667 mutex_lock(&mvm->mutex);
7174beb6
JB		 668}
669
670static void iwl_mvm_fwrt_dump_end(void *ctx)
671{
672 struct iwl_mvm *mvm = ctx;
673
c7ab138e 674 mutex_unlock(&mvm->mutex);
7174beb6
JB		 675}
676
8745f12a
ST		 677static bool iwl_mvm_fwrt_fw_running(void *ctx)
678{
679 return iwl_mvm_firmware_running(ctx);
680}
681
d3f4b6de
SM		 682static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
683{
684 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
685 int ret;
686
687 mutex_lock(&mvm->mutex);
688 ret = iwl_mvm_send_cmd(mvm, host_cmd);
689 mutex_unlock(&mvm->mutex);
690
691 return ret;
692}
693
971377e6
SM		 694static bool iwl_mvm_d3_debug_enable(void *ctx)
695{
696 return IWL_MVM_D3_DEBUG;
697}
698
7174beb6
JB		 699static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
700 .dump_start = iwl_mvm_fwrt_dump_start,
701 .dump_end = iwl_mvm_fwrt_dump_end,
8745f12a 702 .fw_running = iwl_mvm_fwrt_fw_running,
d3f4b6de 703 .send_hcmd = iwl_mvm_fwrt_send_hcmd,
971377e6 704 .d3_debug_enable = iwl_mvm_d3_debug_enable,
7174beb6
JB		 705};
706
aacee681
EG		 707static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
708{
6d19a5eb 709 struct iwl_trans *trans = mvm->trans;
aacee681
EG		 710 int ret;
711
6d19a5eb
EG		 712 if (trans->csme_own) {
713 if (WARN(!mvm->mei_registered,
714 "csme is owner, but we aren't registered to iwlmei\n"))
715 goto get_nvm_from_fw;
716
717 mvm->mei_nvm_data = iwl_mei_get_nvm();
718 if (mvm->mei_nvm_data) {
719 /*
720 * mvm->mei_nvm_data is set and because of that,
721 * we'll load the NVM from the FW when we'll get
722 * ownership.
723 */
724 mvm->nvm_data =
725 iwl_parse_mei_nvm_data(trans, trans->cfg,
726 mvm->mei_nvm_data, mvm->fw);
727 return 0;
728 }
729
730 IWL_ERR(mvm,
731 "Got a NULL NVM from CSME, trying to get it from the device\n");
732 }
733
734get_nvm_from_fw:
75ae663d 735 rtnl_lock();
f5cecf1d 736 wiphy_lock(mvm->hw->wiphy);
aacee681
EG		 737 mutex_lock(&mvm->mutex);
738
6d19a5eb
EG		 739 ret = iwl_trans_start_hw(mvm->trans);
740 if (ret) {
741 mutex_unlock(&mvm->mutex);
97c0979d
LC		 742 wiphy_unlock(mvm->hw->wiphy);
743 rtnl_unlock();
6d19a5eb
EG		 744 return ret;
745 }
aacee681 746
6d19a5eb 747 ret = iwl_run_init_mvm_ucode(mvm);
aacee681
EG		 748 if (ret && ret != -ERFKILL)
749 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
eb09ae93
MK		 750 if (!ret && iwl_mvm_is_lar_supported(mvm)) {
751 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
752 ret = iwl_mvm_init_mcc(mvm);
753 }
aacee681
EG		 754
755 if (!iwlmvm_mod_params.init_dbg || !ret)
756 iwl_mvm_stop_device(mvm);
757
758 mutex_unlock(&mvm->mutex);
f5cecf1d 759 wiphy_unlock(mvm->hw->wiphy);
eb09ae93 760 rtnl_unlock();
aacee681 761
6d19a5eb 762 if (ret)
aacee681
EG		 763 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
764
765 return ret;
766}
767
13b5fa95
EG		 768static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
769{
6d19a5eb 770 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
13b5fa95
EG		 771 int ret;
772
773 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
774
775 ret = iwl_mvm_mac_setup_register(mvm);
776 if (ret)
777 return ret;
6d19a5eb 778
13b5fa95
EG		 779 mvm->hw_registered = true;
780
781 iwl_mvm_dbgfs_register(mvm);
782
6d19a5eb
EG		 783 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
784 mvm->mei_rfkill_blocked,
785 RFKILL_HARD_BLOCK_NOT_OWNER);
7ce1f215
EG		 786
787 iwl_mvm_mei_set_sw_rfkill_state(mvm);
788
13b5fa95
EG		 789 return 0;
790}
791
12d60c1e
JB		 792struct iwl_mvm_frob_txf_data {
793 u8 *buf;
794 size_t buflen;
795};
796
797static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw,
798 struct ieee80211_vif *vif,
799 struct ieee80211_sta *sta,
800 struct ieee80211_key_conf *key,
801 void *data)
802{
803 struct iwl_mvm_frob_txf_data *txf = data;
804 u8 keylen, match, matchend;
805 u8 *keydata;
806 size_t i;
807
808 switch (key->cipher) {
809 case WLAN_CIPHER_SUITE_CCMP:
810 keydata = key->key;
811 keylen = key->keylen;
812 break;
813 case WLAN_CIPHER_SUITE_WEP40:
814 case WLAN_CIPHER_SUITE_WEP104:
815 case WLAN_CIPHER_SUITE_TKIP:
816 /*
817 * WEP has short keys which might show up in the payload,
818 * and then you can deduce the key, so in this case just
819 * remove all FIFO data.
820 * For TKIP, we don't know the phase 2 keys here, so same.
821 */
822 memset(txf->buf, 0xBB, txf->buflen);
823 return;
824 default:
825 return;
826 }
827
828 /* scan for key material and clear it out */
829 match = 0;
830 for (i = 0; i < txf->buflen; i++) {
831 if (txf->buf[i] != keydata[match]) {
832 match = 0;
833 continue;
834 }
835 match++;
836 if (match == keylen) {
837 memset(txf->buf + i - keylen, 0xAA, keylen);
838 match = 0;
839 }
840 }
841
842 /* we're dealing with a FIFO, so check wrapped around data */
843 matchend = match;
844 for (i = 0; match && i < keylen - match; i++) {
845 if (txf->buf[i] != keydata[match])
846 break;
847 match++;
848 if (match == keylen) {
849 memset(txf->buf, 0xAA, i + 1);
850 memset(txf->buf + txf->buflen - matchend, 0xAA,
851 matchend);
852 break;
853 }
854 }
855}
856
857static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen)
858{
859 struct iwl_mvm_frob_txf_data txf = {
860 .buf = buf,
861 .buflen = buflen,
862 };
863 struct iwl_mvm *mvm = ctx;
864
865 /* embedded key material exists only on old API */
866 if (iwl_mvm_has_new_tx_api(mvm))
867 return;
868
869 rcu_read_lock();
870 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf);
871 rcu_read_unlock();
872}
873
874static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len)
875{
876 /* we only use wide headers for commands */
877 struct iwl_cmd_header_wide *hdr = hcmd;
878 unsigned int frob_start = sizeof(*hdr), frob_end = 0;
879
880 if (len < sizeof(hdr))
881 return;
882
883 /* all the commands we care about are in LONG_GROUP */
884 if (hdr->group_id != LONG_GROUP)
885 return;
886
887 switch (hdr->cmd) {
888 case WEP_KEY:
889 case WOWLAN_TKIP_PARAM:
890 case WOWLAN_KEK_KCK_MATERIAL:
891 case ADD_STA_KEY:
892 /*
893 * blank out everything here, easier than dealing
894 * with the various versions of the command
895 */
896 frob_end = INT_MAX;
897 break;
898 case MGMT_MCAST_KEY:
899 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
900 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) !=
901 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
902
903 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
904 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) <
905 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
906 break;
907 }
908
909 if (frob_start >= frob_end)
910 return;
911
912 if (frob_end > len)
913 frob_end = len;
914
915 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start);
916}
917
918static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen)
919{
920 const struct iwl_dump_exclude *excl;
921 struct iwl_mvm *mvm = ctx;
922 int i;
923
924 switch (mvm->fwrt.cur_fw_img) {
925 case IWL_UCODE_INIT:
926 default:
927 /* not relevant */
928 return;
929 case IWL_UCODE_REGULAR:
930 case IWL_UCODE_REGULAR_USNIFFER:
931 excl = mvm->fw->dump_excl;
932 break;
933 case IWL_UCODE_WOWLAN:
934 excl = mvm->fw->dump_excl_wowlan;
935 break;
936 }
937
938 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) !=
939 sizeof(mvm->fw->dump_excl_wowlan));
940
941 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) {
942 u32 start, end;
943
944 if (!excl[i].addr || !excl[i].size)
945 continue;
946
947 start = excl[i].addr;
948 end = start + excl[i].size;
949
950 if (end <= mem_addr || start >= mem_addr + buflen)
951 continue;
952
953 if (start < mem_addr)
954 start = mem_addr;
955
956 if (end > mem_addr + buflen)
957 end = mem_addr + buflen;
958
959 memset((u8 *)mem + start - mem_addr, 0xAA, end - start);
960 }
961}
962
963static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = {
964 .frob_txf = iwl_mvm_frob_txf,
965 .frob_hcmd = iwl_mvm_frob_hcmd,
966 .frob_mem = iwl_mvm_frob_mem,
967};
968
6d19a5eb
EG		 969static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info)
970{
971 struct iwl_mvm *mvm = priv;
972 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info;
973
974 /*
975 * This is protected by the guarantee that this function will not be
976 * called twice on two different threads
977 */
978 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true);
979
980 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL);
981 if (!curr_conn_info)
982 return;
983
984 curr_conn_info->conn_info = *conn_info;
985
986 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info);
987
988 if (prev_conn_info)
989 kfree_rcu(prev_conn_info, rcu_head);
990}
991
992static void iwl_mvm_mei_rfkill(void *priv, bool blocked)
993{
994 struct iwl_mvm *mvm = priv;
995
996 mvm->mei_rfkill_blocked = blocked;
997 if (!mvm->hw_registered)
998 return;
999
1000 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
1001 mvm->mei_rfkill_blocked,
1002 RFKILL_HARD_BLOCK_NOT_OWNER);
1003}
1004
1005static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden)
1006{
1007 struct iwl_mvm *mvm = priv;
1008
1009 if (!mvm->hw_registered || !mvm->csme_vif)
1010 return;
1011
1012 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden);
1013}
1014
1015static void iwl_mvm_sap_connected_wk(struct work_struct *wk)
1016{
1017 struct iwl_mvm *mvm =
1018 container_of(wk, struct iwl_mvm, sap_connected_wk);
1019 int ret;
1020
1021 ret = iwl_mvm_start_get_nvm(mvm);
1022 if (ret)
1023 goto out_free;
1024
1025 ret = iwl_mvm_start_post_nvm(mvm);
1026 if (ret)
1027 goto out_free;
1028
1029 return;
1030
1031out_free:
1032 IWL_ERR(mvm, "Couldn't get started...\n");
1033 iwl_mei_start_unregister();
1034 iwl_mei_unregister_complete();
1035 iwl_fw_flush_dumps(&mvm->fwrt);
1036 iwl_mvm_thermal_exit(mvm);
1037 iwl_fw_runtime_free(&mvm->fwrt);
1038 iwl_phy_db_free(mvm->phy_db);
1039 kfree(mvm->scan_cmd);
1040 iwl_trans_op_mode_leave(mvm->trans);
1041 kfree(mvm->nvm_data);
1042 kfree(mvm->mei_nvm_data);
1043
1044 ieee80211_free_hw(mvm->hw);
1045}
1046
1047static void iwl_mvm_mei_sap_connected(void *priv)
1048{
1049 struct iwl_mvm *mvm = priv;
1050
1051 if (!mvm->hw_registered)
1052 schedule_work(&mvm->sap_connected_wk);
1053}
1054
1055static void iwl_mvm_mei_nic_stolen(void *priv)
1056{
1057 struct iwl_mvm *mvm = priv;
1058
1059 rtnl_lock();
1060 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy);
1061 rtnl_unlock();
1062}
1063
1064static const struct iwl_mei_ops mei_ops = {
1065 .me_conn_status = iwl_mvm_me_conn_status,
1066 .rfkill = iwl_mvm_mei_rfkill,
1067 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden,
1068 .sap_connected = iwl_mvm_mei_sap_connected,
1069 .nic_stolen = iwl_mvm_mei_nic_stolen,
1070};
1071
8ca151b5
JB		 1072static struct iwl_op_mode *
1073iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
1074 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
1075{
1076 struct ieee80211_hw *hw;
1077 struct iwl_op_mode *op_mode;
1078 struct iwl_mvm *mvm;
1079 struct iwl_trans_config trans_cfg = {};
1080 static const u8 no_reclaim_cmds[] = {
1081 TX_CMD,
1082 };
64e7dd3f 1083 u32 max_agg;
72c08d9f 1084 size_t scan_size;
0c0e2c71 1085 u32 min_backoff;
6d19a5eb 1086 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
8ca151b5 1087
c4d83271 1088 /*
be9ae34e 1089 * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station
c4d83271
EG		 1090 * index all over the driver - check that its value corresponds to the
1091 * array size.
1092 */
be9ae34e
NE		 1093 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) !=
1094 IWL_MVM_STATION_COUNT_MAX);
c4d83271 1095
8ca151b5
JB		 1096 /********************************
1097 * 1. Allocating and configuring HW data
1098 ********************************/
1099 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
1100 sizeof(struct iwl_mvm),
1101 &iwl_mvm_hw_ops);
1102 if (!hw)
1103 return NULL;
1104
64e7dd3f
MG		 1105 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)
1106 max_agg = IEEE80211_MAX_AMPDU_BUF_EHT;
1107 else
1108 max_agg = IEEE80211_MAX_AMPDU_BUF_HE;
1109
1110 hw->max_rx_aggregation_subframes = max_agg;
745160ee 1111
77d96730
GG		 1112 if (cfg->max_tx_agg_size)
1113 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
1eda295f 1114 else
64e7dd3f 1115 hw->max_tx_aggregation_subframes = max_agg;
77d96730 1116
8ca151b5 1117 op_mode = hw->priv;
8ca151b5
JB		 1118
1119 mvm = IWL_OP_MODE_GET_MVM(op_mode);
1120 mvm->dev = trans->dev;
1121 mvm->trans = trans;
1122 mvm->cfg = cfg;
1123 mvm->fw = fw;
1124 mvm->hw = hw;
1125
93b167c1 1126 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
12d60c1e 1127 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir);
235acb18 1128
78a19d52 1129 iwl_mvm_get_acpi_tables(mvm);
c593d2fa 1130 iwl_uefi_get_sgom_table(trans, &mvm->fwrt);
09b4c35d 1131 iwl_uefi_get_step_table(trans);
78a19d52 1132
de8ba41b
LK		 1133 mvm->init_status = 0;
1134
0316d30e
JB		 1135 if (iwl_mvm_has_new_rx_api(mvm)) {
1136 op_mode->ops = &iwl_mvm_ops_mq;
18ead597 1137 trans->rx_mpdu_cmd_hdr_size =
286ca8eb 1138 (trans->trans_cfg->device_family >=
3681021f 1139 IWL_DEVICE_FAMILY_AX210) ?
18ead597
GBA		 1140 sizeof(struct iwl_rx_mpdu_desc) :
1141 IWL_RX_DESC_SIZE_V1;
0316d30e
JB		 1142 } else {
1143 op_mode->ops = &iwl_mvm_ops;
25c2b22c
SS		 1144 trans->rx_mpdu_cmd_hdr_size =
1145 sizeof(struct iwl_rx_mpdu_res_start);
0316d30e
JB		 1146
1147 if (WARN_ON(trans->num_rx_queues > 1))
1148 goto out_free;
1149 }
1150
3b37f4c9 1151 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
291aa7c4 1152
c6ce1c74
JB		 1153 if (iwl_mvm_has_new_tx_api(mvm)) {
1154 /*
1155 * If we have the new TX/queue allocation API initialize them
1156 * all to invalid numbers. We'll rewrite the ones that we need
1157 * later, but that doesn't happen for all of them all of the
1158 * time (e.g. P2P Device is optional), and if a dynamic queue
1159 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then
1160 * iwl_mvm_is_static_queue() erroneously returns true, and we
1161 * might have things getting stuck.
1162 */
1163 mvm->aux_queue = IWL_MVM_INVALID_QUEUE;
1164 mvm->snif_queue = IWL_MVM_INVALID_QUEUE;
1165 mvm->probe_queue = IWL_MVM_INVALID_QUEUE;
1166 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE;
1167 } else {
1168 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
1169 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
1170 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
1171 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
1172 }
c8f54701 1173
1f3b0ff8 1174 mvm->sf_state = SF_UNINIT;
7d6222e2 1175 if (iwl_mvm_has_unified_ucode(mvm))
702e975d 1176 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
1f370650 1177 else
702e975d 1178 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
c89e333d 1179 mvm->drop_bcn_ap_mode = true;
19e737c9 1180
8ca151b5
JB		 1181 mutex_init(&mvm->mutex);
1182 spin_lock_init(&mvm->async_handlers_lock);
1183 INIT_LIST_HEAD(&mvm->time_event_list);
b112889c 1184 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
8ca151b5
JB		 1185 INIT_LIST_HEAD(&mvm->async_handlers_list);
1186 spin_lock_init(&mvm->time_event_lock);
fc36ffda 1187 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
0739a7d7 1188 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list);
be82ecd3 1189 INIT_LIST_HEAD(&mvm->resp_pasn_list);
8ca151b5
JB		 1190
1191 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
1192 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
6d19a5eb 1193 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk);
1d3c3f63 1194 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
69e04642 1195 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
24afba76 1196 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
cfbc6c4c 1197 INIT_LIST_HEAD(&mvm->add_stream_txqs);
8ca151b5 1198
3a732c65 1199 init_waitqueue_head(&mvm->rx_sync_waitq);
b2492501 1200
2f7a04c7 1201 mvm->queue_sync_state = 0;
0636b938 1202
8ca151b5
JB		 1203 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
1204
7d9d0d56
LC		 1205 spin_lock_init(&mvm->tcm.lock);
1206 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
1207 mvm->tcm.ts = jiffies;
1208 mvm->tcm.ll_ts = jiffies;
1209 mvm->tcm.uapsd_nonagg_ts = jiffies;
1210
d3a108a4
AO		 1211 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
1212
1c096d89
AS		 1213 mvm->cmd_ver.range_resp =
1214 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP,
1215 TOF_RANGE_RESPONSE_NOTIF, 5);
bd8b5f30
MK		 1216 /* we only support up to version 9 */
1217 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9))
1c096d89
AS		 1218 goto out_free;
1219
8ca151b5
JB		 1220 /*
1221 * Populate the state variables that the transport layer needs
1222 * to know about.
1223 */
1224 trans_cfg.op_mode = op_mode;
1225 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
1226 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
034925cb 1227
6c4fbcbc 1228 switch (iwlwifi_mod_params.amsdu_size) {
4bdd4dfe 1229 case IWL_AMSDU_DEF:
b780c10f 1230 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
034925cb 1231 break;
6c4fbcbc
EG		 1232 case IWL_AMSDU_4K:
1233 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
1234 break;
1235 case IWL_AMSDU_8K:
1236 trans_cfg.rx_buf_size = IWL_AMSDU_8K;
1237 break;
1238 case IWL_AMSDU_12K:
1239 trans_cfg.rx_buf_size = IWL_AMSDU_12K;
1240 break;
1241 default:
1242 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
1243 iwlwifi_mod_params.amsdu_size);
b780c10f 1244 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
6c4fbcbc 1245 }
4bdd4dfe 1246
b7d96bca 1247 trans->wide_cmd_header = true;
2a182fbb 1248 trans_cfg.bc_table_dword =
3681021f 1249 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;
8ca151b5 1250
39bdb17e
SD		 1251 trans_cfg.command_groups = iwl_mvm_groups;
1252 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
8ca151b5 1253
c8f54701 1254 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
b2d81db7 1255 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
3a736bcb 1256 trans_cfg.scd_set_active = true;
8ca151b5 1257
21cb3222
JB		 1258 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
1259 driver_data[2]);
1260
4cf677fd
EG		 1261 /* Set a short watchdog for the command queue */
1262 trans_cfg.cmd_q_wdg_timeout =
5d42e7b2 1263 iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
4cf677fd 1264
8ca151b5
JB		 1265 snprintf(mvm->hw->wiphy->fw_version,
1266 sizeof(mvm->hw->wiphy->fw_version),
1267 "%s", fw->fw_version);
1268
906d4eb8
JB		 1269 trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa,
1270 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);
1271
227f2597
JB		 1272 trans_cfg.queue_alloc_cmd_ver =
1273 iwl_fw_lookup_cmd_ver(mvm->fw,
1274 WIDE_ID(DATA_PATH_GROUP,
1275 SCD_QUEUE_CONFIG_CMD),
1276 0);
1277 mvm->sta_remove_requires_queue_remove =
1278 trans_cfg.queue_alloc_cmd_ver > 0;
1279
8ca151b5
JB		 1280 /* Configure transport layer */
1281 iwl_trans_configure(mvm->trans, &trans_cfg);
1282
1283 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
91c28b83
SM		 1284 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
1285 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
1286 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv,
1287 sizeof(trans->dbg.conf_tlv));
1288 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv;
8ca151b5 1289
132db31c
GBA		 1290 trans->iml = mvm->fw->iml;
1291 trans->iml_len = mvm->fw->iml_len;
1292
8ca151b5
JB		 1293 /* set up notification wait support */
1294 iwl_notification_wait_init(&mvm->notif_wait);
1295
1296 /* Init phy db */
1297 mvm->phy_db = iwl_phy_db_init(trans);
1298 if (!mvm->phy_db) {
1299 IWL_ERR(mvm, "Cannot init phy_db\n");
1300 goto out_free;
1301 }
1302
1303 IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
0b295a1e 1304 mvm->trans->name, mvm->trans->hw_rev);
8ca151b5 1305
4fb06283 1306 if (iwlwifi_mod_params.nvm_file)
e02a9d60 1307 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
4fb06283
EH		 1308 else
1309 IWL_DEBUG_EEPROM(mvm->trans->dev,
1310 "working without external nvm file\n");
9ee718aa 1311
d2496221 1312 scan_size = iwl_mvm_scan_size(mvm);
fb98be5e 1313
8ca151b5
JB		 1314 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
1315 if (!mvm->scan_cmd)
1316 goto out_free;
72c08d9f 1317 mvm->scan_cmd_size = scan_size;
8ca151b5 1318
e223e42a
GG		 1319 /* invalidate ids to prevent accidental removal of sta_id 0 */
1320 mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA;
1321 mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA;
1322
5a4b2afa
HD		 1323 /* Set EBS as successful as long as not stated otherwise by the FW. */
1324 mvm->last_ebs_successful = true;
1325
f2abcfa6 1326 min_backoff = iwl_mvm_min_backoff(mvm);
04ddc2aa
CRI		 1327 iwl_mvm_thermal_initialize(mvm, min_backoff);
1328
678d9b6d
LK		 1329 if (!iwl_mvm_has_new_rx_stats_api(mvm))
1330 memset(&mvm->rx_stats_v3, 0,
1331 sizeof(struct mvm_statistics_rx_v3));
1332 else
1333 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
3848ab66 1334
13b5fa95 1335 mvm->debugfs_dir = dbgfs_dir;
656fca00 1336
6d19a5eb
EG		 1337 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops);
1338
22a1ee8e
MG		 1339 if (iwl_mvm_start_get_nvm(mvm)) {
1340 /*
1341 * Getting NVM failed while CSME is the owner, but we are
1342 * registered to MEI, we'll get the NVM later when it'll be
1343 * possible to get it from CSME.
1344 */
1345 if (trans->csme_own && mvm->mei_registered)
1346 return op_mode;
1347
1348 goto out_thermal_exit;
1349 }
1350
46ad1ff9 1351
13b5fa95
EG		 1352 if (iwl_mvm_start_post_nvm(mvm))
1353 goto out_thermal_exit;
46ad1ff9 1354
8ca151b5
JB		 1355 return op_mode;
1356
46ad1ff9
EG		 1357 out_thermal_exit:
1358 iwl_mvm_thermal_exit(mvm);
6d19a5eb
EG		 1359 if (mvm->mei_registered) {
1360 iwl_mei_start_unregister();
1361 iwl_mei_unregister_complete();
1362 }
8ca151b5 1363 out_free:
c7ab138e 1364 iwl_fw_flush_dumps(&mvm->fwrt);
54f3f994 1365 iwl_fw_runtime_free(&mvm->fwrt);
de8ba41b
LK		 1366
1367 if (iwlmvm_mod_params.init_dbg)
1368 return op_mode;
8ca151b5
JB		 1369 iwl_phy_db_free(mvm->phy_db);
1370 kfree(mvm->scan_cmd);
56f2929b
SS		 1371 iwl_trans_op_mode_leave(trans);
1372
8ca151b5
JB		 1373 ieee80211_free_hw(mvm->hw);
1374 return NULL;
1375}
1376
cf5b4627
JB		 1377void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1378{
1379 lockdep_assert_held(&mvm->mutex);
1380
1381 iwl_fw_cancel_timestamp(&mvm->fwrt);
1382
1383 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1384
1385 iwl_fw_dbg_stop_sync(&mvm->fwrt);
1386 iwl_trans_stop_device(mvm->trans);
1387 iwl_free_fw_paging(&mvm->fwrt);
1388 iwl_fw_dump_conf_clear(&mvm->fwrt);
5aa7ce31 1389 iwl_mvm_mei_device_state(mvm, false);
cf5b4627
JB		 1390}
1391
8ca151b5
JB		 1392static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
1393{
1394 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1395 int i;
1396
6d19a5eb
EG		 1397 if (mvm->mei_registered) {
1398 rtnl_lock();
1399 iwl_mei_set_netdev(NULL);
1400 rtnl_unlock();
1401 iwl_mei_start_unregister();
1402 }
1403
1404 /*
1405 * After we unregister from mei, the worker can't be scheduled
1406 * anymore.
1407 */
1408 cancel_work_sync(&mvm->sap_connected_wk);
1409
8ca151b5
JB		 1410 iwl_mvm_leds_exit(mvm);
1411
c221daf2 1412 iwl_mvm_thermal_exit(mvm);
9ee718aa 1413
6d19a5eb
EG		 1414 /*
1415 * If we couldn't get ownership on the device and we couldn't
1416 * get the NVM from CSME, we haven't registered to mac80211.
1417 * In that case, we didn't fail op_mode_start, because we are
1418 * waiting for CSME to allow us to get the NVM to register to
1419 * mac80211. If that didn't happen, we haven't registered to
1420 * mac80211, hence the if below.
1421 */
1422 if (mvm->hw_registered)
1423 ieee80211_unregister_hw(mvm->hw);
8ca151b5
JB		 1424
1425 kfree(mvm->scan_cmd);
e59647ea
EP		 1426 kfree(mvm->mcast_filter_cmd);
1427 mvm->mcast_filter_cmd = NULL;
8ca151b5 1428
f130bb75
MG		 1429 kfree(mvm->error_recovery_buf);
1430 mvm->error_recovery_buf = NULL;
1431
a4082843 1432 iwl_trans_op_mode_leave(mvm->trans);
8ca151b5
JB		 1433
1434 iwl_phy_db_free(mvm->phy_db);
1435 mvm->phy_db = NULL;
1436
1dad3e0a 1437 kfree(mvm->nvm_data);
6d19a5eb
EG		 1438 kfree(mvm->mei_nvm_data);
1439 kfree(rcu_access_pointer(mvm->csme_conn_info));
1440 kfree(mvm->temp_nvm_data);
ae2b21b0 1441 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
8ca151b5
JB		 1442 kfree(mvm->nvm_sections[i].data);
1443
7d9d0d56
LC		 1444 cancel_delayed_work_sync(&mvm->tcm.work);
1445
54f3f994 1446 iwl_fw_runtime_free(&mvm->fwrt);
a2a57a35 1447 mutex_destroy(&mvm->mutex);
a2a57a35 1448
6d19a5eb
EG		 1449 if (mvm->mei_registered)
1450 iwl_mei_unregister_complete();
1451
8ca151b5
JB		 1452 ieee80211_free_hw(mvm->hw);
1453}
1454
1455struct iwl_async_handler_entry {
1456 struct list_head list;
1457 struct iwl_rx_cmd_buffer rxb;
c9cb14a6 1458 enum iwl_rx_handler_context context;
0416841d 1459 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
8ca151b5
JB		 1460};
1461
1462void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
1463{
1464 struct iwl_async_handler_entry *entry, *tmp;
1465
1466 spin_lock_bh(&mvm->async_handlers_lock);
1467 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1468 iwl_free_rxb(&entry->rxb);
1469 list_del(&entry->list);
1470 kfree(entry);
1471 }
1472 spin_unlock_bh(&mvm->async_handlers_lock);
1473}
1474
1475static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
1476{
1477 struct iwl_mvm *mvm =
1478 container_of(wk, struct iwl_mvm, async_handlers_wk);
1479 struct iwl_async_handler_entry *entry, *tmp;
8098203f 1480 LIST_HEAD(local_list);
8ca151b5
JB		 1481
1482 /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
8ca151b5
JB		 1483
1484 /*
1485 * Sync with Rx path with a lock. Remove all the entries from this list,
1486 * add them to a local one (lock free), and then handle them.
1487 */
1488 spin_lock_bh(&mvm->async_handlers_lock);
1489 list_splice_init(&mvm->async_handlers_list, &local_list);
1490 spin_unlock_bh(&mvm->async_handlers_lock);
1491
1492 list_for_each_entry_safe(entry, tmp, &local_list, list) {
c9cb14a6
CRI		 1493 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
1494 mutex_lock(&mvm->mutex);
0416841d 1495 entry->fn(mvm, &entry->rxb);
8ca151b5
JB		 1496 iwl_free_rxb(&entry->rxb);
1497 list_del(&entry->list);
c9cb14a6
CRI		 1498 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
1499 mutex_unlock(&mvm->mutex);
8ca151b5
JB		 1500 kfree(entry);
1501 }
8ca151b5
JB		 1502}
1503
917f39bb
EG		 1504static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
1505 struct iwl_rx_packet *pkt)
1506{
1507 struct iwl_fw_dbg_trigger_tlv *trig;
1508 struct iwl_fw_dbg_trigger_cmd *cmds_trig;
917f39bb
EG		 1509 int i;
1510
6c042d75
SS		 1511 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
1512 FW_DBG_TRIGGER_FW_NOTIF);
1513 if (!trig)
917f39bb
EG		 1514 return;
1515
917f39bb
EG		 1516 cmds_trig = (void *)trig->data;
1517
917f39bb
EG		 1518 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
1519 /* don't collect on CMD 0 */
1520 if (!cmds_trig->cmds[i].cmd_id)
1521 break;
1522
0ab66e6d
SS		 1523 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
1524 cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
917f39bb
EG		 1525 continue;
1526
7174beb6
JB		 1527 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
1528 "CMD 0x%02x.%02x received",
1529 pkt->hdr.group_id, pkt->hdr.cmd);
917f39bb
EG		 1530 break;
1531 }
1532}
1533
0316d30e
JB		 1534static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
1535 struct iwl_rx_cmd_buffer *rxb,
1536 struct iwl_rx_packet *pkt)
8ca151b5 1537{
afc857bc 1538 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
0316d30e 1539 int i;
b108d8c7 1540 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
1738d60b 1541
b108d8c7
SM		 1542 iwl_dbg_tlv_time_point(&mvm->fwrt,
1543 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
917f39bb
EG		 1544 iwl_mvm_rx_check_trigger(mvm, pkt);
1545
8ca151b5
JB		 1546 /*
1547 * Do the notification wait before RX handlers so
1548 * even if the RX handler consumes the RXB we have
1549 * access to it in the notification wait entry.
1550 */
1551 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1552
1553 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1554 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
36eed56a
EG		 1555 struct iwl_async_handler_entry *entry;
1556
1230b16b 1557 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
36eed56a
EG		 1558 continue;
1559
afc857bc
JB		 1560 if (unlikely(pkt_len < rx_h->min_size))
1561 return;
1562
c9cb14a6 1563 if (rx_h->context == RX_HANDLER_SYNC) {
0416841d 1564 rx_h->fn(mvm, rxb);
f7e6469f 1565 return;
0416841d 1566 }
36eed56a
EG		 1567
1568 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1569 /* we can't do much... */
1570 if (!entry)
f7e6469f 1571 return;
36eed56a
EG		 1572
1573 entry->rxb._page = rxb_steal_page(rxb);
1574 entry->rxb._offset = rxb->_offset;
1575 entry->rxb._rx_page_order = rxb->_rx_page_order;
1576 entry->fn = rx_h->fn;
c9cb14a6 1577 entry->context = rx_h->context;
36eed56a
EG		 1578 spin_lock(&mvm->async_handlers_lock);
1579 list_add_tail(&entry->list, &mvm->async_handlers_list);
1580 spin_unlock(&mvm->async_handlers_lock);
1581 schedule_work(&mvm->async_handlers_wk);
07fb3299 1582 break;
8ca151b5 1583 }
8ca151b5
JB		 1584}
1585
0316d30e
JB		 1586static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1587 struct napi_struct *napi,
1588 struct iwl_rx_cmd_buffer *rxb)
1589{
1590 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1591 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
61b0f5d7 1592 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
0316d30e 1593
61b0f5d7 1594 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
0316d30e 1595 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
61b0f5d7 1596 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
0316d30e
JB		 1597 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1598 else
1599 iwl_mvm_rx_common(mvm, rxb, pkt);
1600}
1601
88181e6e
JB		 1602void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1603 struct napi_struct *napi,
1604 struct iwl_rx_cmd_buffer *rxb)
0316d30e
JB		 1605{
1606 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1607 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
61b0f5d7 1608 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
0316d30e 1609
61b0f5d7 1610 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
780e87c2 1611 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
61b0f5d7
JB		 1612 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1613 RX_QUEUES_NOTIFICATION)))
c61b655a 1614 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
61b0f5d7 1615 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
58035432 1616 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
fe69b7d1
JB		 1617 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1618 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
bf9dfeda 1619 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
d47cdb88 1620 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
0316d30e
JB		 1621 else
1622 iwl_mvm_rx_common(mvm, rxb, pkt);
1623}
1624
156f92f2
EG		 1625static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
1626 const struct iwl_device_cmd *cmd)
1627{
1628 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1629
1630 /*
1631 * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
1632 * commands that need to block the Tx queues.
1633 */
1634 iwl_trans_block_txq_ptrs(mvm->trans, false);
1635}
1636
99944b73
AS		 1637static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1638{
1639 return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1640 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1641}
1642
cfbc6c4c
SS		 1643static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1644 int hw_queue, bool start)
8ca151b5
JB		 1645{
1646 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
cfbc6c4c
SS		 1647 struct ieee80211_sta *sta;
1648 struct ieee80211_txq *txq;
1649 struct iwl_mvm_txq *mvmtxq;
1650 int i;
1651 unsigned long tid_bitmap;
1652 struct iwl_mvm_sta *mvmsta;
1653 u8 sta_id;
b4f7a9d1 1654
cfbc6c4c
SS		 1655 sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1656 mvm->tvqm_info[hw_queue].sta_id :
1657 mvm->queue_info[hw_queue].ra_sta_id;
b4f7a9d1 1658
be9ae34e 1659 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations))
8ca151b5 1660 return;
8ca151b5 1661
cfbc6c4c
SS		 1662 rcu_read_lock();
1663
1664 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1665 if (IS_ERR_OR_NULL(sta))
1666 goto out;
1667 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1668
99944b73
AS		 1669 if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1670 if (!start)
1671 ieee80211_stop_queues(mvm->hw);
1672 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1673 ieee80211_wake_queues(mvm->hw);
1674
1675 goto out;
1676 }
1677
cfbc6c4c
SS		 1678 if (iwl_mvm_has_new_tx_api(mvm)) {
1679 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1680
1681 tid_bitmap = BIT(tid);
1682 } else {
1683 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1684 }
1685
1686 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1687 int tid = i;
1688
1689 if (tid == IWL_MAX_TID_COUNT)
1690 tid = IEEE80211_NUM_TIDS;
4ecafae9 1691
cfbc6c4c
SS		 1692 txq = sta->txq[tid];
1693 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
b58e3d43
JB		 1694 if (start)
1695 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1696 else
1697 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
cfbc6c4c
SS		 1698
1699 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1700 iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
4ecafae9 1701 }
cfbc6c4c
SS		 1702
1703out:
1704 rcu_read_unlock();
8ca151b5
JB		 1705}
1706
cfbc6c4c 1707static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
b4f7a9d1 1708{
cfbc6c4c
SS		 1709 iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1710}
b4f7a9d1 1711
cfbc6c4c
SS		 1712static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1713{
1714 iwl_mvm_queue_state_change(op_mode, hw_queue, true);
b4f7a9d1
LK		 1715}
1716
6ad04359
JB		 1717static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1718{
1719 bool state = iwl_mvm_is_radio_killed(mvm);
1720
1721 if (state)
1722 wake_up(&mvm->rx_sync_waitq);
1723
1724 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
1725}
1726
9ee718aa
EL		 1727void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1728{
1729 if (state)
1730 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1731 else
1732 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1733
6ad04359 1734 iwl_mvm_set_rfkill_state(mvm);
9ee718aa
EL		 1735}
1736
6d19a5eb
EG		 1737struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm)
1738{
1739 return rcu_dereference_protected(mvm->csme_conn_info,
1740 lockdep_is_held(&mvm->mutex));
1741}
1742
14cfca71 1743static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
8ca151b5
JB		 1744{
1745 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
b3500b47
EG		 1746 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1747 bool unified = iwl_mvm_has_unified_ucode(mvm);
8ca151b5
JB		 1748
1749 if (state)
1750 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1751 else
1752 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1753
6ad04359 1754 iwl_mvm_set_rfkill_state(mvm);
14cfca71 1755
b3500b47
EG		 1756 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */
1757 if (rfkill_safe_init_done)
31b8b343
EG		 1758 iwl_abort_notification_waits(&mvm->notif_wait);
1759
b3500b47
EG		 1760 /*
1761 * Don't ask the transport to stop the firmware. We'll do it
1762 * after cfg80211 takes us down.
1763 */
1764 if (unified)
1765 return false;
1766
31b8b343
EG		 1767 /*
1768 * Stop the device if we run OPERATIONAL firmware or if we are in the
1769 * middle of the calibrations.
1770 */
07c89a60 1771 return state && rfkill_safe_init_done;
8ca151b5
JB		 1772}
1773
1774static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1775{
1776 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1777 struct ieee80211_tx_info *info;
1778
1779 info = IEEE80211_SKB_CB(skb);
1780 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1781 ieee80211_free_txskb(mvm->hw, skb);
1782}
1783
ac1ed416
JB		 1784struct iwl_mvm_reprobe {
1785 struct device *dev;
1786 struct work_struct work;
1787};
1788
1789static void iwl_mvm_reprobe_wk(struct work_struct *wk)
1790{
1791 struct iwl_mvm_reprobe *reprobe;
1792
1793 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
1794 if (device_reprobe(reprobe->dev))
1795 dev_err(reprobe->dev, "reprobe failed!\n");
7a21b1d4 1796 put_device(reprobe->dev);
ac1ed416
JB		 1797 kfree(reprobe);
1798 module_put(THIS_MODULE);
1799}
1800
b08c1d97 1801void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
8ca151b5 1802{
8ca151b5 1803 iwl_abort_notification_waits(&mvm->notif_wait);
9b1bcfcc 1804 iwl_dbg_tlv_del_timers(mvm->trans);
8ca151b5 1805
992f81fc
DS		 1806 /*
1807 * This is a bit racy, but worst case we tell mac80211 about
1808 * a stopped/aborted scan when that was already done which
1809 * is not a problem. It is necessary to abort any os scan
1810 * here because mac80211 requires having the scan cleared
1811 * before restarting.
1812 * We'll reset the scan_status to NONE in restart cleanup in
1813 * the next start() call from mac80211. If restart isn't called
1814 * (no fw restart) scan status will stay busy.
1815 */
4ffb3650 1816 iwl_mvm_report_scan_aborted(mvm);
992f81fc 1817
8ca151b5
JB		 1818 /*
1819 * If we're restarting already, don't cycle restarts.
1820 * If INIT fw asserted, it will likely fail again.
1821 * If WoWLAN fw asserted, don't restart either, mac80211
1822 * can't recover this since we're already half suspended.
1823 */
3b37f4c9 1824 if (!mvm->fw_restart && fw_error) {
b8221b0f 1825 iwl_fw_error_collect(&mvm->fwrt, false);
5283dd67
MG		 1826 } else if (test_bit(IWL_MVM_STATUS_STARTING,
1827 &mvm->status)) {
1828 IWL_ERR(mvm, "Starting mac, retry will be triggered anyway\n");
bf8b286f 1829 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
ac1ed416
JB		 1830 struct iwl_mvm_reprobe *reprobe;
1831
1832 IWL_ERR(mvm,
1833 "Firmware error during reconfiguration - reprobe!\n");
1834
1835 /*
1836 * get a module reference to avoid doing this while unloading
1837 * anyway and to avoid scheduling a work with code that's
1838 * being removed.
1839 */
1840 if (!try_module_get(THIS_MODULE)) {
1841 IWL_ERR(mvm, "Module is being unloaded - abort\n");
1842 return;
1843 }
1844
1845 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
1846 if (!reprobe) {
1847 module_put(THIS_MODULE);
1848 return;
1849 }
7a21b1d4 1850 reprobe->dev = get_device(mvm->trans->dev);
ac1ed416
JB		 1851 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
1852 schedule_work(&reprobe->work);
1e78e759
IP		 1853 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1854 &mvm->status)) {
1855 IWL_ERR(mvm, "HW restart already requested, but not started\n");
702e975d 1856 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
f60c9e59
EG		 1857 mvm->hw_registered &&
1858 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
861bae42
MG		 1859 /* This should be first thing before trying to collect any
1860 * data to avoid endless loops if any HW error happens while
1861 * collecting debug data.
1862 */
1863 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1864
f130bb75
MG		 1865 if (mvm->fw->ucode_capa.error_log_size) {
1866 u32 src_size = mvm->fw->ucode_capa.error_log_size;
1867 u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
1868 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
1869
1870 if (recover_buf) {
1871 mvm->error_recovery_buf = recover_buf;
1872 iwl_trans_read_mem_bytes(mvm->trans,
1873 src_addr,
1874 recover_buf,
1875 src_size);
1876 }
1877 }
1878
b8221b0f 1879 iwl_fw_error_collect(&mvm->fwrt, false);
4b1831e4 1880
ddb6b76b 1881 if (fw_error && mvm->fw_restart > 0) {
3b37f4c9 1882 mvm->fw_restart--;
ddb6b76b
MS		 1883 ieee80211_restart_hw(mvm->hw);
1884 } else if (mvm->fwrt.trans->dbg.restart_required) {
1885 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n");
1886 mvm->fwrt.trans->dbg.restart_required = FALSE;
1887 ieee80211_restart_hw(mvm->hw);
1888 } else if (mvm->trans->trans_cfg->device_family <= IWL_DEVICE_FAMILY_8000) {
1889 ieee80211_restart_hw(mvm->hw);
1890 }
8ca151b5
JB		 1891 }
1892}
1893
b8221b0f 1894static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync)
715c998f
EG		 1895{
1896 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1897
b8133439
AS		 1898 if (mvm->pldr_sync)
1899 return;
1900
4b992db6
JB		 1901 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status) &&
1902 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE,
1903 &mvm->status))
f60c9e59 1904 iwl_mvm_dump_nic_error_log(mvm);
1bd3cbc1 1905
b8221b0f
JB		 1906 if (sync) {
1907 iwl_fw_error_collect(&mvm->fwrt, true);
1908 /*
1909 * Currently, the only case for sync=true is during
1910 * shutdown, so just stop in this case. If/when that
1911 * changes, we need to be a bit smarter here.
1912 */
1913 return;
1914 }
1915
2f308f00
JB		 1916 /*
1917 * If the firmware crashes while we're already considering it
1918 * to be dead then don't ask for a restart, that cannot do
1919 * anything useful anyway.
1920 */
1921 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status))
1922 return;
1923
ddb6b76b 1924 iwl_mvm_nic_restart(mvm, false);
715c998f
EG		 1925}
1926
8ca151b5
JB		 1927static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
1928{
715c998f
EG		 1929 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1930
8ca151b5 1931 WARN_ON(1);
b08c1d97 1932 iwl_mvm_nic_restart(mvm, true);
8ca151b5
JB		 1933}
1934
d0129315
MG		 1935static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode,
1936 enum iwl_fw_ini_time_point tp_id,
1937 union iwl_dbg_tlv_tp_data *tp_data)
1938{
1939 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1940
1941 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data);
1942}
1943
0316d30e
JB		 1944#define IWL_MVM_COMMON_OPS \
1945 /* these could be differentiated */ \
156f92f2 1946 .async_cb = iwl_mvm_async_cb, \
0316d30e
JB		 1947 .queue_full = iwl_mvm_stop_sw_queue, \
1948 .queue_not_full = iwl_mvm_wake_sw_queue, \
1949 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
1950 .free_skb = iwl_mvm_free_skb, \
1951 .nic_error = iwl_mvm_nic_error, \
1952 .cmd_queue_full = iwl_mvm_cmd_queue_full, \
1953 .nic_config = iwl_mvm_nic_config, \
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JB		 1954 /* as we only register one, these MUST be common! */ \
1955 .start = iwl_op_mode_mvm_start, \
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MG		 1956 .stop = iwl_op_mode_mvm_stop, \
1957 .time_point = iwl_op_mode_mvm_time_point
0316d30e 1958
8ca151b5 1959static const struct iwl_op_mode_ops iwl_mvm_ops = {
0316d30e
JB		 1960 IWL_MVM_COMMON_OPS,
1961 .rx = iwl_mvm_rx,
1962};
1963
1964static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
1965 struct napi_struct *napi,
1966 struct iwl_rx_cmd_buffer *rxb,
1967 unsigned int queue)
1968{
1969 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
585a6fcc 1970 struct iwl_rx_packet *pkt = rxb_addr(rxb);
61b0f5d7 1971 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
0316d30e 1972
6438e3e0
JB		 1973 if (unlikely(queue >= mvm->trans->num_rx_queues))
1974 return;
1975
61b0f5d7 1976 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
a338384b 1977 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
61b0f5d7
JB		 1978 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1979 RX_QUEUES_NOTIFICATION)))
c61b655a 1980 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
61b0f5d7 1981 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
585a6fcc 1982 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
0316d30e
JB		 1983}
1984
1985static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
1986 IWL_MVM_COMMON_OPS,
1987 .rx = iwl_mvm_rx_mq,
1988 .rx_rss = iwl_mvm_rx_mq_rss,
8ca151b5 1989};
Linux 6.x block layer and io_uring tree(s)