1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3 * Copyright (C) 2012-2014, 2018-2023 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
6 */
7 #include <linux/module.h>
8 #include <linux/rtnetlink.h>
9 #include <linux/vmalloc.h>
10 #include <net/mac80211.h>
11
12 #include "fw/notif-wait.h"
13 #include "iwl-trans.h"
14 #include "iwl-op-mode.h"
15 #include "fw/img.h"
16 #include "iwl-debug.h"
17 #include "iwl-drv.h"
18 #include "iwl-modparams.h"
19 #include "mvm.h"
20 #include "iwl-phy-db.h"
21 #include "iwl-eeprom-parse.h"
22 #include "iwl-csr.h"
23 #include "iwl-io.h"
24 #include "iwl-prph.h"
25 #include "rs.h"
26 #include "fw/api/scan.h"
27 #include "fw/api/rfi.h"
28 #include "time-event.h"
29 #include "fw-api.h"
30 #include "fw/acpi.h"
31 #include "fw/uefi.h"
32 #include "time-sync.h"
33
34 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
35 MODULE_DESCRIPTION(DRV_DESCRIPTION);
36 MODULE_LICENSE("GPL");
37 MODULE_IMPORT_NS(IWLWIFI);
38
39 static const struct iwl_op_mode_ops iwl_mvm_ops;
40 static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
41
42 struct iwl_mvm_mod_params iwlmvm_mod_params = {
43 .power_scheme = IWL_POWER_SCHEME_BPS,
44 /* rest of fields are 0 by default */
45 };
46
47 module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
48 MODULE_PARM_DESC(init_dbg,
49 "set to true to debug an ASSERT in INIT fw (default: false");
50 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
51 MODULE_PARM_DESC(power_scheme,
52 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
53
54 /*
55 * module init and exit functions
56 */
iwl_mvm_init(void)57 static int __init iwl_mvm_init(void)
58 {
59 int ret;
60
61 ret = iwl_mvm_rate_control_register();
62 if (ret) {
63 pr_err("Unable to register rate control algorithm: %d\n", ret);
64 return ret;
65 }
66
67 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
68 if (ret)
69 pr_err("Unable to register MVM op_mode: %d\n", ret);
70
71 return ret;
72 }
73 module_init(iwl_mvm_init);
74
iwl_mvm_exit(void)75 static void __exit iwl_mvm_exit(void)
76 {
77 iwl_opmode_deregister("iwlmvm");
78 iwl_mvm_rate_control_unregister();
79 }
80 module_exit(iwl_mvm_exit);
81
iwl_mvm_nic_config(struct iwl_op_mode * op_mode)82 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
83 {
84 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
85 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
86 u32 reg_val;
87 u32 phy_config = iwl_mvm_get_phy_config(mvm);
88
89 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
90 FW_PHY_CFG_RADIO_TYPE_POS;
91 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
92 FW_PHY_CFG_RADIO_STEP_POS;
93 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
94 FW_PHY_CFG_RADIO_DASH_POS;
95
96 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
97 radio_cfg_step, radio_cfg_dash);
98
99 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
100 return;
101
102 /* SKU control */
103 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->hw_rev);
104
105 /* radio configuration */
106 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
107 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
108 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
109
110 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
111 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
112
113 /*
114 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
115 * sampling, and shouldn't be set to any non-zero value.
116 * The same is supposed to be true of the other HW, but unsetting
117 * them (such as the 7260) causes automatic tests to fail on seemingly
118 * unrelated errors. Need to further investigate this, but for now
119 * we'll separate cases.
120 */
121 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000)
122 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
123
124 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt))
125 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
126
127 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
128 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH |
129 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
130 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
131 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
132 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
133 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI |
134 CSR_HW_IF_CONFIG_REG_D3_DEBUG,
135 reg_val);
136
137 /*
138 * W/A : NIC is stuck in a reset state after Early PCIe power off
139 * (PCIe power is lost before PERST# is asserted), causing ME FW
140 * to lose ownership and not being able to obtain it back.
141 */
142 if (!mvm->trans->cfg->apmg_not_supported)
143 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
144 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
145 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
146 }
147
iwl_mvm_rx_monitor_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)148 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm,
149 struct iwl_rx_cmd_buffer *rxb)
150 {
151 struct iwl_rx_packet *pkt = rxb_addr(rxb);
152 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data;
153 struct ieee80211_supported_band *sband;
154 const struct ieee80211_sta_he_cap *he_cap;
155 struct ieee80211_vif *vif;
156
157 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA))
158 return;
159
160 vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id);
161 if (!vif || vif->type != NL80211_IFTYPE_STATION)
162 return;
163
164 if (!vif->bss_conf.chandef.chan ||
165 vif->bss_conf.chandef.chan->band != NL80211_BAND_2GHZ ||
166 vif->bss_conf.chandef.width < NL80211_CHAN_WIDTH_40)
167 return;
168
169 if (!vif->cfg.assoc)
170 return;
171
172 /* this shouldn't happen *again*, ignore it */
173 if (mvm->cca_40mhz_workaround)
174 return;
175
176 /*
177 * We'll decrement this on disconnect - so set to 2 since we'll
178 * still have to disconnect from the current AP first.
179 */
180 mvm->cca_40mhz_workaround = 2;
181
182 /*
183 * This capability manipulation isn't really ideal, but it's the
184 * easiest choice - otherwise we'd have to do some major changes
185 * in mac80211 to support this, which isn't worth it. This does
186 * mean that userspace may have outdated information, but that's
187 * actually not an issue at all.
188 */
189 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
190
191 WARN_ON(!sband->ht_cap.ht_supported);
192 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40));
193 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
194
195 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif);
196
197 if (he_cap) {
198 /* we know that ours is writable */
199 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap;
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
iwl_mvm_update_link_smps(struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)211 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif,
212 struct ieee80211_bss_conf *link_conf)
213 {
214 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
215 struct iwl_mvm *mvm = mvmvif->mvm;
216 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC;
217
218 if (!link_conf)
219 return;
220
221 if (mvm->fw_static_smps_request &&
222 link_conf->chandef.width == NL80211_CHAN_WIDTH_160 &&
223 link_conf->he_support)
224 mode = IEEE80211_SMPS_STATIC;
225
226 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode,
227 link_conf->link_id);
228 }
229
iwl_mvm_intf_dual_chain_req(void * data,u8 * mac,struct ieee80211_vif * vif)230 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac,
231 struct ieee80211_vif *vif)
232 {
233 struct ieee80211_bss_conf *link_conf;
234 unsigned int link_id;
235
236 rcu_read_lock();
237
238 for_each_vif_active_link(vif, link_conf, link_id)
239 iwl_mvm_update_link_smps(vif, link_conf);
240
241 rcu_read_unlock();
242 }
243
iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)244 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm,
245 struct iwl_rx_cmd_buffer *rxb)
246 {
247 struct iwl_rx_packet *pkt = rxb_addr(rxb);
248 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data;
249
250 /*
251 * We could pass it to the iterator data, but also need to remember
252 * it for new interfaces that are added while in this state.
253 */
254 mvm->fw_static_smps_request =
255 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE);
256 ieee80211_iterate_interfaces(mvm->hw,
257 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER,
258 iwl_mvm_intf_dual_chain_req, NULL);
259 }
260
261 /**
262 * enum iwl_rx_handler_context context for Rx handler
263 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
264 * which can't acquire mvm->mutex.
265 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
266 * (and only in this case!), it should be set as ASYNC. In that case,
267 * it will be called from a worker with mvm->mutex held.
268 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
269 * mutex itself, it will be called from a worker without mvm->mutex held.
270 */
271 enum iwl_rx_handler_context {
272 RX_HANDLER_SYNC,
273 RX_HANDLER_ASYNC_LOCKED,
274 RX_HANDLER_ASYNC_UNLOCKED,
275 };
276
277 /**
278 * struct iwl_rx_handlers handler for FW notification
279 * @cmd_id: command id
280 * @min_size: minimum size to expect for the notification
281 * @context: see &iwl_rx_handler_context
282 * @fn: the function is called when notification is received
283 */
284 struct iwl_rx_handlers {
285 u16 cmd_id, min_size;
286 enum iwl_rx_handler_context context;
287 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
288 };
289
290 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \
291 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, }
292 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \
293 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, }
294 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \
295 { .cmd_id = _cmd_id, .fn = _fn, \
296 .context = _context, .min_size = sizeof(_struct), }
297 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \
298 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \
299 .context = _context, .min_size = sizeof(_struct), }
300
301 /*
302 * Handlers for fw notifications
303 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
304 * This list should be in order of frequency for performance purposes.
305 *
306 * The handler can be one from three contexts, see &iwl_rx_handler_context
307 */
308 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
309 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC,
310 struct iwl_mvm_tx_resp),
311 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC,
312 struct iwl_mvm_ba_notif),
313
314 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
315 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC,
316 struct iwl_tlc_update_notif),
317
318 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
319 RX_HANDLER_ASYNC_LOCKED, struct iwl_bt_coex_profile_notif),
320 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
321 RX_HANDLER_ASYNC_LOCKED),
322 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
323 RX_HANDLER_ASYNC_LOCKED),
324
325 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
326 iwl_mvm_window_status_notif, RX_HANDLER_SYNC,
327 struct iwl_ba_window_status_notif),
328
329 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
330 RX_HANDLER_SYNC, struct iwl_time_event_notif),
331 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
332 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC,
333 struct iwl_mvm_session_prot_notif),
334 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
335 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif),
336
337 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC,
338 struct iwl_mvm_eosp_notification),
339
340 RX_HANDLER(SCAN_ITERATION_COMPLETE,
341 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC,
342 struct iwl_lmac_scan_complete_notif),
343 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
344 iwl_mvm_rx_lmac_scan_complete_notif,
345 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete),
346 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION,
347 iwl_mvm_rx_scan_match_found,
348 RX_HANDLER_SYNC),
349 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
350 RX_HANDLER_ASYNC_LOCKED, struct iwl_umac_scan_complete),
351 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
352 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC,
353 struct iwl_umac_scan_iter_complete_notif),
354
355 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
356 RX_HANDLER_SYNC, struct iwl_missed_beacons_notif),
357
358 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC,
359 struct iwl_error_resp),
360 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
361 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC,
362 struct iwl_uapsd_misbehaving_ap_notif),
363 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
364 RX_HANDLER_ASYNC_LOCKED),
365 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
366 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
367 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
368 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC,
369 struct ct_kill_notif),
370
371 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
372 RX_HANDLER_ASYNC_LOCKED,
373 struct iwl_tdls_channel_switch_notif),
374 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
375 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1),
376 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
377 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED,
378 struct iwl_ftm_responder_stats),
379
380 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
381 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
382 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF,
383 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
384
385 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
386 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC,
387 struct iwl_mfu_assert_dump_notif),
388 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
389 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC,
390 struct iwl_stored_beacon_notif_v2),
391 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
392 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC,
393 struct iwl_mu_group_mgmt_notif),
394 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
395 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC,
396 struct iwl_mvm_pm_state_notification),
397 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF,
398 iwl_mvm_probe_resp_data_notif,
399 RX_HANDLER_ASYNC_LOCKED,
400 struct iwl_probe_resp_data_notif),
401 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF,
402 iwl_mvm_channel_switch_start_notif,
403 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif),
404 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF,
405 iwl_mvm_channel_switch_error_notif,
406 RX_HANDLER_ASYNC_UNLOCKED,
407 struct iwl_channel_switch_error_notif),
408 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF,
409 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED,
410 struct iwl_datapath_monitor_notif),
411
412 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST,
413 iwl_mvm_rx_thermal_dual_chain_req,
414 RX_HANDLER_ASYNC_LOCKED,
415 struct iwl_thermal_dual_chain_request),
416
417 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF,
418 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED,
419 struct iwl_rfi_deactivate_notif),
420
421 RX_HANDLER_GRP(LEGACY_GROUP,
422 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION,
423 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC,
424 struct iwl_time_msmt_notify),
425 RX_HANDLER_GRP(LEGACY_GROUP,
426 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION,
427 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC,
428 struct iwl_time_msmt_cfm_notify),
429 };
430 #undef RX_HANDLER
431 #undef RX_HANDLER_GRP
432
433 /* Please keep this array *SORTED* by hex value.
434 * Access is done through binary search
435 */
436 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
437 HCMD_NAME(UCODE_ALIVE_NTFY),
438 HCMD_NAME(REPLY_ERROR),
439 HCMD_NAME(ECHO_CMD),
440 HCMD_NAME(INIT_COMPLETE_NOTIF),
441 HCMD_NAME(PHY_CONTEXT_CMD),
442 HCMD_NAME(DBG_CFG),
443 HCMD_NAME(SCAN_CFG_CMD),
444 HCMD_NAME(SCAN_REQ_UMAC),
445 HCMD_NAME(SCAN_ABORT_UMAC),
446 HCMD_NAME(SCAN_COMPLETE_UMAC),
447 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
448 HCMD_NAME(ADD_STA_KEY),
449 HCMD_NAME(ADD_STA),
450 HCMD_NAME(REMOVE_STA),
451 HCMD_NAME(TX_CMD),
452 HCMD_NAME(SCD_QUEUE_CFG),
453 HCMD_NAME(TXPATH_FLUSH),
454 HCMD_NAME(MGMT_MCAST_KEY),
455 HCMD_NAME(WEP_KEY),
456 HCMD_NAME(SHARED_MEM_CFG),
457 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
458 HCMD_NAME(MAC_CONTEXT_CMD),
459 HCMD_NAME(TIME_EVENT_CMD),
460 HCMD_NAME(TIME_EVENT_NOTIFICATION),
461 HCMD_NAME(BINDING_CONTEXT_CMD),
462 HCMD_NAME(TIME_QUOTA_CMD),
463 HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
464 HCMD_NAME(LEDS_CMD),
465 HCMD_NAME(LQ_CMD),
466 HCMD_NAME(FW_PAGING_BLOCK_CMD),
467 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
468 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
469 HCMD_NAME(HOT_SPOT_CMD),
470 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
471 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
472 HCMD_NAME(BT_COEX_CI),
473 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION),
474 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION),
475 HCMD_NAME(PHY_CONFIGURATION_CMD),
476 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
477 HCMD_NAME(PHY_DB_CMD),
478 HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
479 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
480 HCMD_NAME(POWER_TABLE_CMD),
481 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
482 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
483 HCMD_NAME(NVM_ACCESS_CMD),
484 HCMD_NAME(BEACON_NOTIFICATION),
485 HCMD_NAME(BEACON_TEMPLATE_CMD),
486 HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
487 HCMD_NAME(BT_CONFIG),
488 HCMD_NAME(STATISTICS_CMD),
489 HCMD_NAME(STATISTICS_NOTIFICATION),
490 HCMD_NAME(EOSP_NOTIFICATION),
491 HCMD_NAME(REDUCE_TX_POWER_CMD),
492 HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
493 HCMD_NAME(TDLS_CONFIG_CMD),
494 HCMD_NAME(MAC_PM_POWER_TABLE),
495 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
496 HCMD_NAME(MFUART_LOAD_NOTIFICATION),
497 HCMD_NAME(RSS_CONFIG_CMD),
498 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
499 HCMD_NAME(REPLY_RX_PHY_CMD),
500 HCMD_NAME(REPLY_RX_MPDU_CMD),
501 HCMD_NAME(BAR_FRAME_RELEASE),
502 HCMD_NAME(FRAME_RELEASE),
503 HCMD_NAME(BA_NOTIF),
504 HCMD_NAME(MCC_UPDATE_CMD),
505 HCMD_NAME(MCC_CHUB_UPDATE_CMD),
506 HCMD_NAME(MARKER_CMD),
507 HCMD_NAME(BT_PROFILE_NOTIFICATION),
508 HCMD_NAME(MCAST_FILTER_CMD),
509 HCMD_NAME(REPLY_SF_CFG_CMD),
510 HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
511 HCMD_NAME(D3_CONFIG_CMD),
512 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
513 HCMD_NAME(MATCH_FOUND_NOTIFICATION),
514 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
515 HCMD_NAME(WOWLAN_PATTERNS),
516 HCMD_NAME(WOWLAN_CONFIGURATION),
517 HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
518 HCMD_NAME(WOWLAN_TKIP_PARAM),
519 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
520 HCMD_NAME(WOWLAN_GET_STATUSES),
521 HCMD_NAME(SCAN_ITERATION_COMPLETE),
522 HCMD_NAME(D0I3_END_CMD),
523 HCMD_NAME(LTR_CONFIG),
524 HCMD_NAME(LDBG_CONFIG_CMD),
525 };
526
527 /* Please keep this array *SORTED* by hex value.
528 * Access is done through binary search
529 */
530 static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
531 HCMD_NAME(SHARED_MEM_CFG_CMD),
532 HCMD_NAME(INIT_EXTENDED_CFG_CMD),
533 HCMD_NAME(FW_ERROR_RECOVERY_CMD),
534 HCMD_NAME(RFI_CONFIG_CMD),
535 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD),
536 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD),
537 HCMD_NAME(RFI_DEACTIVATE_NOTIF),
538 };
539
540 /* Please keep this array *SORTED* by hex value.
541 * Access is done through binary search
542 */
543 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
544 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
545 HCMD_NAME(SESSION_PROTECTION_CMD),
546 HCMD_NAME(MAC_CONFIG_CMD),
547 HCMD_NAME(LINK_CONFIG_CMD),
548 HCMD_NAME(STA_CONFIG_CMD),
549 HCMD_NAME(AUX_STA_CMD),
550 HCMD_NAME(STA_REMOVE_CMD),
551 HCMD_NAME(STA_DISABLE_TX_CMD),
552 HCMD_NAME(SESSION_PROTECTION_NOTIF),
553 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF),
554 };
555
556 /* Please keep this array *SORTED* by hex value.
557 * Access is done through binary search
558 */
559 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
560 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
561 HCMD_NAME(CTDP_CONFIG_CMD),
562 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
563 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD),
564 HCMD_NAME(CT_KILL_NOTIFICATION),
565 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
566 };
567
568 /* Please keep this array *SORTED* by hex value.
569 * Access is done through binary search
570 */
571 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
572 HCMD_NAME(DQA_ENABLE_CMD),
573 HCMD_NAME(UPDATE_MU_GROUPS_CMD),
574 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
575 HCMD_NAME(STA_HE_CTXT_CMD),
576 HCMD_NAME(RLC_CONFIG_CMD),
577 HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
578 HCMD_NAME(TLC_MNG_CONFIG_CMD),
579 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
580 HCMD_NAME(SCD_QUEUE_CONFIG_CMD),
581 HCMD_NAME(SEC_KEY_CMD),
582 HCMD_NAME(MONITOR_NOTIF),
583 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST),
584 HCMD_NAME(STA_PM_NOTIF),
585 HCMD_NAME(MU_GROUP_MGMT_NOTIF),
586 HCMD_NAME(RX_QUEUES_NOTIFICATION),
587 };
588
589 /* Please keep this array *SORTED* by hex value.
590 * Access is done through binary search
591 */
592 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = {
593 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF),
594 };
595
596 /* Please keep this array *SORTED* by hex value.
597 * Access is done through binary search
598 */
599 static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
600 HCMD_NAME(TOF_RANGE_REQ_CMD),
601 HCMD_NAME(TOF_CONFIG_CMD),
602 HCMD_NAME(TOF_RANGE_ABORT_CMD),
603 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
604 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
605 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
606 HCMD_NAME(TOF_LC_NOTIF),
607 HCMD_NAME(TOF_RESPONDER_STATS),
608 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
609 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
610 };
611
612 /* Please keep this array *SORTED* by hex value.
613 * Access is done through binary search
614 */
615 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
616 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION),
617 HCMD_NAME(WOWLAN_INFO_NOTIFICATION),
618 HCMD_NAME(D3_END_NOTIFICATION),
619 HCMD_NAME(STORED_BEACON_NTF),
620 };
621
622 /* Please keep this array *SORTED* by hex value.
623 * Access is done through binary search
624 */
625 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
626 HCMD_NAME(NVM_ACCESS_COMPLETE),
627 HCMD_NAME(NVM_GET_INFO),
628 HCMD_NAME(TAS_CONFIG),
629 };
630
631 static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
632 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
633 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
634 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
635 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
636 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
637 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
638 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names),
639 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
640 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
641 [REGULATORY_AND_NVM_GROUP] =
642 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
643 };
644
645 /* this forward declaration can avoid to export the function */
646 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
647
iwl_mvm_min_backoff(struct iwl_mvm * mvm)648 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
649 {
650 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
651 u64 dflt_pwr_limit;
652
653 if (!backoff)
654 return 0;
655
656 dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
657
658 while (backoff->pwr) {
659 if (dflt_pwr_limit >= backoff->pwr)
660 return backoff->backoff;
661
662 backoff++;
663 }
664
665 return 0;
666 }
667
iwl_mvm_tx_unblock_dwork(struct work_struct * work)668 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
669 {
670 struct iwl_mvm *mvm =
671 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
672 struct ieee80211_vif *tx_blocked_vif;
673 struct iwl_mvm_vif *mvmvif;
674
675 mutex_lock(&mvm->mutex);
676
677 tx_blocked_vif =
678 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
679 lockdep_is_held(&mvm->mutex));
680
681 if (!tx_blocked_vif)
682 goto unlock;
683
684 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
685 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
686 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
687 unlock:
688 mutex_unlock(&mvm->mutex);
689 }
690
iwl_mvm_fwrt_dump_start(void * ctx)691 static void iwl_mvm_fwrt_dump_start(void *ctx)
692 {
693 struct iwl_mvm *mvm = ctx;
694
695 mutex_lock(&mvm->mutex);
696 }
697
iwl_mvm_fwrt_dump_end(void * ctx)698 static void iwl_mvm_fwrt_dump_end(void *ctx)
699 {
700 struct iwl_mvm *mvm = ctx;
701
702 mutex_unlock(&mvm->mutex);
703 }
704
iwl_mvm_fwrt_send_hcmd(void * ctx,struct iwl_host_cmd * host_cmd)705 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
706 {
707 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
708 int ret;
709
710 mutex_lock(&mvm->mutex);
711 ret = iwl_mvm_send_cmd(mvm, host_cmd);
712 mutex_unlock(&mvm->mutex);
713
714 return ret;
715 }
716
iwl_mvm_d3_debug_enable(void * ctx)717 static bool iwl_mvm_d3_debug_enable(void *ctx)
718 {
719 return IWL_MVM_D3_DEBUG;
720 }
721
722 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
723 .dump_start = iwl_mvm_fwrt_dump_start,
724 .dump_end = iwl_mvm_fwrt_dump_end,
725 .send_hcmd = iwl_mvm_fwrt_send_hcmd,
726 .d3_debug_enable = iwl_mvm_d3_debug_enable,
727 };
728
iwl_mvm_start_get_nvm(struct iwl_mvm * mvm)729 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
730 {
731 struct iwl_trans *trans = mvm->trans;
732 int ret;
733
734 if (trans->csme_own) {
735 if (WARN(!mvm->mei_registered,
736 "csme is owner, but we aren't registered to iwlmei\n"))
737 goto get_nvm_from_fw;
738
739 mvm->mei_nvm_data = iwl_mei_get_nvm();
740 if (mvm->mei_nvm_data) {
741 /*
742 * mvm->mei_nvm_data is set and because of that,
743 * we'll load the NVM from the FW when we'll get
744 * ownership.
745 */
746 mvm->nvm_data =
747 iwl_parse_mei_nvm_data(trans, trans->cfg,
748 mvm->mei_nvm_data, mvm->fw);
749 return 0;
750 }
751
752 IWL_ERR(mvm,
753 "Got a NULL NVM from CSME, trying to get it from the device\n");
754 }
755
756 get_nvm_from_fw:
757 rtnl_lock();
758 wiphy_lock(mvm->hw->wiphy);
759 mutex_lock(&mvm->mutex);
760
761 ret = iwl_trans_start_hw(mvm->trans);
762 if (ret) {
763 mutex_unlock(&mvm->mutex);
764 wiphy_unlock(mvm->hw->wiphy);
765 rtnl_unlock();
766 return ret;
767 }
768
769 ret = iwl_run_init_mvm_ucode(mvm);
770 if (ret && ret != -ERFKILL)
771 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
772 if (!ret && iwl_mvm_is_lar_supported(mvm)) {
773 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
774 ret = iwl_mvm_init_mcc(mvm);
775 }
776
777 if (!iwlmvm_mod_params.init_dbg || !ret)
778 iwl_mvm_stop_device(mvm);
779
780 mutex_unlock(&mvm->mutex);
781 wiphy_unlock(mvm->hw->wiphy);
782 rtnl_unlock();
783
784 if (ret)
785 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
786
787 return ret;
788 }
789
iwl_mvm_start_post_nvm(struct iwl_mvm * mvm)790 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
791 {
792 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
793 int ret;
794
795 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
796
797 ret = iwl_mvm_mac_setup_register(mvm);
798 if (ret)
799 return ret;
800
801 mvm->hw_registered = true;
802
803 iwl_mvm_dbgfs_register(mvm);
804
805 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
806 mvm->mei_rfkill_blocked,
807 RFKILL_HARD_BLOCK_NOT_OWNER);
808
809 iwl_mvm_mei_set_sw_rfkill_state(mvm);
810
811 return 0;
812 }
813
814 struct iwl_mvm_frob_txf_data {
815 u8 *buf;
816 size_t buflen;
817 };
818
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)819 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw,
820 struct ieee80211_vif *vif,
821 struct ieee80211_sta *sta,
822 struct ieee80211_key_conf *key,
823 void *data)
824 {
825 struct iwl_mvm_frob_txf_data *txf = data;
826 u8 keylen, match, matchend;
827 u8 *keydata;
828 size_t i;
829
830 switch (key->cipher) {
831 case WLAN_CIPHER_SUITE_CCMP:
832 keydata = key->key;
833 keylen = key->keylen;
834 break;
835 case WLAN_CIPHER_SUITE_WEP40:
836 case WLAN_CIPHER_SUITE_WEP104:
837 case WLAN_CIPHER_SUITE_TKIP:
838 /*
839 * WEP has short keys which might show up in the payload,
840 * and then you can deduce the key, so in this case just
841 * remove all FIFO data.
842 * For TKIP, we don't know the phase 2 keys here, so same.
843 */
844 memset(txf->buf, 0xBB, txf->buflen);
845 return;
846 default:
847 return;
848 }
849
850 /* scan for key material and clear it out */
851 match = 0;
852 for (i = 0; i < txf->buflen; i++) {
853 if (txf->buf[i] != keydata[match]) {
854 match = 0;
855 continue;
856 }
857 match++;
858 if (match == keylen) {
859 memset(txf->buf + i - keylen, 0xAA, keylen);
860 match = 0;
861 }
862 }
863
864 /* we're dealing with a FIFO, so check wrapped around data */
865 matchend = match;
866 for (i = 0; match && i < keylen - match; i++) {
867 if (txf->buf[i] != keydata[match])
868 break;
869 match++;
870 if (match == keylen) {
871 memset(txf->buf, 0xAA, i + 1);
872 memset(txf->buf + txf->buflen - matchend, 0xAA,
873 matchend);
874 break;
875 }
876 }
877 }
878
iwl_mvm_frob_txf(void * ctx,void * buf,size_t buflen)879 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen)
880 {
881 struct iwl_mvm_frob_txf_data txf = {
882 .buf = buf,
883 .buflen = buflen,
884 };
885 struct iwl_mvm *mvm = ctx;
886
887 /* embedded key material exists only on old API */
888 if (iwl_mvm_has_new_tx_api(mvm))
889 return;
890
891 rcu_read_lock();
892 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf);
893 rcu_read_unlock();
894 }
895
iwl_mvm_frob_hcmd(void * ctx,void * hcmd,size_t len)896 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len)
897 {
898 /* we only use wide headers for commands */
899 struct iwl_cmd_header_wide *hdr = hcmd;
900 unsigned int frob_start = sizeof(*hdr), frob_end = 0;
901
902 if (len < sizeof(hdr))
903 return;
904
905 /* all the commands we care about are in LONG_GROUP */
906 if (hdr->group_id != LONG_GROUP)
907 return;
908
909 switch (hdr->cmd) {
910 case WEP_KEY:
911 case WOWLAN_TKIP_PARAM:
912 case WOWLAN_KEK_KCK_MATERIAL:
913 case ADD_STA_KEY:
914 /*
915 * blank out everything here, easier than dealing
916 * with the various versions of the command
917 */
918 frob_end = INT_MAX;
919 break;
920 case MGMT_MCAST_KEY:
921 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
922 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) !=
923 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
924
925 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
926 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) <
927 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
928 break;
929 }
930
931 if (frob_start >= frob_end)
932 return;
933
934 if (frob_end > len)
935 frob_end = len;
936
937 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start);
938 }
939
iwl_mvm_frob_mem(void * ctx,u32 mem_addr,void * mem,size_t buflen)940 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen)
941 {
942 const struct iwl_dump_exclude *excl;
943 struct iwl_mvm *mvm = ctx;
944 int i;
945
946 switch (mvm->fwrt.cur_fw_img) {
947 case IWL_UCODE_INIT:
948 default:
949 /* not relevant */
950 return;
951 case IWL_UCODE_REGULAR:
952 case IWL_UCODE_REGULAR_USNIFFER:
953 excl = mvm->fw->dump_excl;
954 break;
955 case IWL_UCODE_WOWLAN:
956 excl = mvm->fw->dump_excl_wowlan;
957 break;
958 }
959
960 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) !=
961 sizeof(mvm->fw->dump_excl_wowlan));
962
963 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) {
964 u32 start, end;
965
966 if (!excl[i].addr || !excl[i].size)
967 continue;
968
969 start = excl[i].addr;
970 end = start + excl[i].size;
971
972 if (end <= mem_addr || start >= mem_addr + buflen)
973 continue;
974
975 if (start < mem_addr)
976 start = mem_addr;
977
978 if (end > mem_addr + buflen)
979 end = mem_addr + buflen;
980
981 memset((u8 *)mem + start - mem_addr, 0xAA, end - start);
982 }
983 }
984
985 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = {
986 .frob_txf = iwl_mvm_frob_txf,
987 .frob_hcmd = iwl_mvm_frob_hcmd,
988 .frob_mem = iwl_mvm_frob_mem,
989 };
990
iwl_mvm_me_conn_status(void * priv,const struct iwl_mei_conn_info * conn_info)991 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info)
992 {
993 struct iwl_mvm *mvm = priv;
994 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info;
995
996 /*
997 * This is protected by the guarantee that this function will not be
998 * called twice on two different threads
999 */
1000 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true);
1001
1002 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL);
1003 if (!curr_conn_info)
1004 return;
1005
1006 curr_conn_info->conn_info = *conn_info;
1007
1008 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info);
1009
1010 if (prev_conn_info)
1011 kfree_rcu(prev_conn_info, rcu_head);
1012 }
1013
iwl_mvm_mei_rfkill(void * priv,bool blocked,bool csme_taking_ownership)1014 static void iwl_mvm_mei_rfkill(void *priv, bool blocked,
1015 bool csme_taking_ownership)
1016 {
1017 struct iwl_mvm *mvm = priv;
1018
1019 if (blocked && !csme_taking_ownership)
1020 return;
1021
1022 mvm->mei_rfkill_blocked = blocked;
1023 if (!mvm->hw_registered)
1024 return;
1025
1026 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
1027 mvm->mei_rfkill_blocked,
1028 RFKILL_HARD_BLOCK_NOT_OWNER);
1029 }
1030
iwl_mvm_mei_roaming_forbidden(void * priv,bool forbidden)1031 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden)
1032 {
1033 struct iwl_mvm *mvm = priv;
1034
1035 if (!mvm->hw_registered || !mvm->csme_vif)
1036 return;
1037
1038 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden);
1039 }
1040
iwl_mvm_sap_connected_wk(struct work_struct * wk)1041 static void iwl_mvm_sap_connected_wk(struct work_struct *wk)
1042 {
1043 struct iwl_mvm *mvm =
1044 container_of(wk, struct iwl_mvm, sap_connected_wk);
1045 int ret;
1046
1047 ret = iwl_mvm_start_get_nvm(mvm);
1048 if (ret)
1049 goto out_free;
1050
1051 ret = iwl_mvm_start_post_nvm(mvm);
1052 if (ret)
1053 goto out_free;
1054
1055 return;
1056
1057 out_free:
1058 IWL_ERR(mvm, "Couldn't get started...\n");
1059 iwl_mei_start_unregister();
1060 iwl_mei_unregister_complete();
1061 iwl_fw_flush_dumps(&mvm->fwrt);
1062 iwl_mvm_thermal_exit(mvm);
1063 iwl_fw_runtime_free(&mvm->fwrt);
1064 iwl_phy_db_free(mvm->phy_db);
1065 kfree(mvm->scan_cmd);
1066 iwl_trans_op_mode_leave(mvm->trans);
1067 kfree(mvm->nvm_data);
1068 kfree(mvm->mei_nvm_data);
1069
1070 ieee80211_free_hw(mvm->hw);
1071 }
1072
iwl_mvm_mei_sap_connected(void * priv)1073 static void iwl_mvm_mei_sap_connected(void *priv)
1074 {
1075 struct iwl_mvm *mvm = priv;
1076
1077 if (!mvm->hw_registered)
1078 schedule_work(&mvm->sap_connected_wk);
1079 }
1080
iwl_mvm_mei_nic_stolen(void * priv)1081 static void iwl_mvm_mei_nic_stolen(void *priv)
1082 {
1083 struct iwl_mvm *mvm = priv;
1084
1085 rtnl_lock();
1086 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy);
1087 rtnl_unlock();
1088 }
1089
1090 static const struct iwl_mei_ops mei_ops = {
1091 .me_conn_status = iwl_mvm_me_conn_status,
1092 .rfkill = iwl_mvm_mei_rfkill,
1093 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden,
1094 .sap_connected = iwl_mvm_mei_sap_connected,
1095 .nic_stolen = iwl_mvm_mei_nic_stolen,
1096 };
1097
1098 static struct iwl_op_mode *
iwl_op_mode_mvm_start(struct iwl_trans * trans,const struct iwl_cfg * cfg,const struct iwl_fw * fw,struct dentry * dbgfs_dir)1099 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
1100 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
1101 {
1102 struct ieee80211_hw *hw;
1103 struct iwl_op_mode *op_mode;
1104 struct iwl_mvm *mvm;
1105 struct iwl_trans_config trans_cfg = {};
1106 static const u8 no_reclaim_cmds[] = {
1107 TX_CMD,
1108 };
1109 u32 max_agg;
1110 size_t scan_size;
1111 u32 min_backoff;
1112 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
1113
1114 /*
1115 * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station
1116 * index all over the driver - check that its value corresponds to the
1117 * array size.
1118 */
1119 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) !=
1120 IWL_MVM_STATION_COUNT_MAX);
1121
1122 /********************************
1123 * 1. Allocating and configuring HW data
1124 ********************************/
1125 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
1126 sizeof(struct iwl_mvm),
1127 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops :
1128 &iwl_mvm_hw_ops);
1129 if (!hw)
1130 return NULL;
1131
1132 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)
1133 max_agg = IEEE80211_MAX_AMPDU_BUF_EHT;
1134 else
1135 max_agg = IEEE80211_MAX_AMPDU_BUF_HE;
1136
1137 hw->max_rx_aggregation_subframes = max_agg;
1138
1139 if (cfg->max_tx_agg_size)
1140 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
1141 else
1142 hw->max_tx_aggregation_subframes = max_agg;
1143
1144 op_mode = hw->priv;
1145
1146 mvm = IWL_OP_MODE_GET_MVM(op_mode);
1147 mvm->dev = trans->dev;
1148 mvm->trans = trans;
1149 mvm->cfg = cfg;
1150 mvm->fw = fw;
1151 mvm->hw = hw;
1152
1153 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
1154 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir);
1155
1156 iwl_mvm_get_acpi_tables(mvm);
1157 iwl_uefi_get_sgom_table(trans, &mvm->fwrt);
1158 iwl_uefi_get_step_table(trans);
1159
1160 mvm->init_status = 0;
1161
1162 if (iwl_mvm_has_new_rx_api(mvm)) {
1163 op_mode->ops = &iwl_mvm_ops_mq;
1164 trans->rx_mpdu_cmd_hdr_size =
1165 (trans->trans_cfg->device_family >=
1166 IWL_DEVICE_FAMILY_AX210) ?
1167 sizeof(struct iwl_rx_mpdu_desc) :
1168 IWL_RX_DESC_SIZE_V1;
1169 } else {
1170 op_mode->ops = &iwl_mvm_ops;
1171 trans->rx_mpdu_cmd_hdr_size =
1172 sizeof(struct iwl_rx_mpdu_res_start);
1173
1174 if (WARN_ON(trans->num_rx_queues > 1))
1175 goto out_free;
1176 }
1177
1178 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
1179
1180 if (iwl_mvm_has_new_tx_api(mvm)) {
1181 /*
1182 * If we have the new TX/queue allocation API initialize them
1183 * all to invalid numbers. We'll rewrite the ones that we need
1184 * later, but that doesn't happen for all of them all of the
1185 * time (e.g. P2P Device is optional), and if a dynamic queue
1186 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then
1187 * iwl_mvm_is_static_queue() erroneously returns true, and we
1188 * might have things getting stuck.
1189 */
1190 mvm->aux_queue = IWL_MVM_INVALID_QUEUE;
1191 mvm->snif_queue = IWL_MVM_INVALID_QUEUE;
1192 mvm->probe_queue = IWL_MVM_INVALID_QUEUE;
1193 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE;
1194 } else {
1195 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
1196 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
1197 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
1198 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
1199 }
1200
1201 mvm->sf_state = SF_UNINIT;
1202 if (iwl_mvm_has_unified_ucode(mvm))
1203 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
1204 else
1205 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
1206 mvm->drop_bcn_ap_mode = true;
1207
1208 mutex_init(&mvm->mutex);
1209 spin_lock_init(&mvm->async_handlers_lock);
1210 INIT_LIST_HEAD(&mvm->time_event_list);
1211 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
1212 INIT_LIST_HEAD(&mvm->async_handlers_list);
1213 spin_lock_init(&mvm->time_event_lock);
1214 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
1215 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list);
1216 INIT_LIST_HEAD(&mvm->resp_pasn_list);
1217
1218 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
1219 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
1220 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk);
1221 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
1222 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
1223 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
1224 INIT_LIST_HEAD(&mvm->add_stream_txqs);
1225 spin_lock_init(&mvm->add_stream_lock);
1226
1227 init_waitqueue_head(&mvm->rx_sync_waitq);
1228
1229 mvm->queue_sync_state = 0;
1230
1231 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
1232
1233 spin_lock_init(&mvm->tcm.lock);
1234 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
1235 mvm->tcm.ts = jiffies;
1236 mvm->tcm.ll_ts = jiffies;
1237 mvm->tcm.uapsd_nonagg_ts = jiffies;
1238
1239 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
1240
1241 mvm->cmd_ver.range_resp =
1242 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP,
1243 TOF_RANGE_RESPONSE_NOTIF, 5);
1244 /* we only support up to version 9 */
1245 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9))
1246 goto out_free;
1247
1248 /*
1249 * Populate the state variables that the transport layer needs
1250 * to know about.
1251 */
1252 trans_cfg.op_mode = op_mode;
1253 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
1254 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
1255
1256 switch (iwlwifi_mod_params.amsdu_size) {
1257 case IWL_AMSDU_DEF:
1258 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
1259 break;
1260 case IWL_AMSDU_4K:
1261 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
1262 break;
1263 case IWL_AMSDU_8K:
1264 trans_cfg.rx_buf_size = IWL_AMSDU_8K;
1265 break;
1266 case IWL_AMSDU_12K:
1267 trans_cfg.rx_buf_size = IWL_AMSDU_12K;
1268 break;
1269 default:
1270 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
1271 iwlwifi_mod_params.amsdu_size);
1272 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
1273 }
1274
1275 trans->wide_cmd_header = true;
1276 trans_cfg.bc_table_dword =
1277 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;
1278
1279 trans_cfg.command_groups = iwl_mvm_groups;
1280 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
1281
1282 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
1283 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
1284 trans_cfg.scd_set_active = true;
1285
1286 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
1287 driver_data[2]);
1288
1289 /* Set a short watchdog for the command queue */
1290 trans_cfg.cmd_q_wdg_timeout =
1291 iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
1292
1293 snprintf(mvm->hw->wiphy->fw_version,
1294 sizeof(mvm->hw->wiphy->fw_version),
1295 "%s", fw->fw_version);
1296
1297 trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa,
1298 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);
1299
1300 trans_cfg.queue_alloc_cmd_ver =
1301 iwl_fw_lookup_cmd_ver(mvm->fw,
1302 WIDE_ID(DATA_PATH_GROUP,
1303 SCD_QUEUE_CONFIG_CMD),
1304 0);
1305 mvm->sta_remove_requires_queue_remove =
1306 trans_cfg.queue_alloc_cmd_ver > 0;
1307
1308 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw);
1309
1310 /* Configure transport layer */
1311 iwl_trans_configure(mvm->trans, &trans_cfg);
1312
1313 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
1314 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
1315 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
1316 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv,
1317 sizeof(trans->dbg.conf_tlv));
1318 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv;
1319
1320 trans->iml = mvm->fw->iml;
1321 trans->iml_len = mvm->fw->iml_len;
1322
1323 /* set up notification wait support */
1324 iwl_notification_wait_init(&mvm->notif_wait);
1325
1326 /* Init phy db */
1327 mvm->phy_db = iwl_phy_db_init(trans);
1328 if (!mvm->phy_db) {
1329 IWL_ERR(mvm, "Cannot init phy_db\n");
1330 goto out_free;
1331 }
1332
1333 IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
1334 mvm->trans->name, mvm->trans->hw_rev);
1335
1336 if (iwlwifi_mod_params.nvm_file)
1337 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
1338 else
1339 IWL_DEBUG_EEPROM(mvm->trans->dev,
1340 "working without external nvm file\n");
1341
1342 scan_size = iwl_mvm_scan_size(mvm);
1343
1344 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
1345 if (!mvm->scan_cmd)
1346 goto out_free;
1347 mvm->scan_cmd_size = scan_size;
1348
1349 /* invalidate ids to prevent accidental removal of sta_id 0 */
1350 mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA;
1351 mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA;
1352
1353 /* Set EBS as successful as long as not stated otherwise by the FW. */
1354 mvm->last_ebs_successful = true;
1355
1356 min_backoff = iwl_mvm_min_backoff(mvm);
1357 iwl_mvm_thermal_initialize(mvm, min_backoff);
1358
1359 if (!iwl_mvm_has_new_rx_stats_api(mvm))
1360 memset(&mvm->rx_stats_v3, 0,
1361 sizeof(struct mvm_statistics_rx_v3));
1362 else
1363 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
1364
1365 iwl_mvm_ftm_initiator_smooth_config(mvm);
1366
1367 iwl_mvm_init_time_sync(&mvm->time_sync);
1368
1369 mvm->debugfs_dir = dbgfs_dir;
1370
1371 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops);
1372
1373 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter);
1374
1375 if (iwl_mvm_start_get_nvm(mvm)) {
1376 /*
1377 * Getting NVM failed while CSME is the owner, but we are
1378 * registered to MEI, we'll get the NVM later when it'll be
1379 * possible to get it from CSME.
1380 */
1381 if (trans->csme_own && mvm->mei_registered)
1382 return op_mode;
1383
1384 goto out_thermal_exit;
1385 }
1386
1387
1388 if (iwl_mvm_start_post_nvm(mvm))
1389 goto out_thermal_exit;
1390
1391 return op_mode;
1392
1393 out_thermal_exit:
1394 iwl_mvm_thermal_exit(mvm);
1395 if (mvm->mei_registered) {
1396 iwl_mei_start_unregister();
1397 iwl_mei_unregister_complete();
1398 }
1399 out_free:
1400 iwl_fw_flush_dumps(&mvm->fwrt);
1401 iwl_fw_runtime_free(&mvm->fwrt);
1402
1403 if (iwlmvm_mod_params.init_dbg)
1404 return op_mode;
1405 iwl_phy_db_free(mvm->phy_db);
1406 kfree(mvm->scan_cmd);
1407 iwl_trans_op_mode_leave(trans);
1408
1409 ieee80211_free_hw(mvm->hw);
1410 return NULL;
1411 }
1412
iwl_mvm_stop_device(struct iwl_mvm * mvm)1413 void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1414 {
1415 lockdep_assert_held(&mvm->mutex);
1416
1417 iwl_fw_cancel_timestamp(&mvm->fwrt);
1418
1419 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1420
1421 iwl_mvm_pause_tcm(mvm, false);
1422
1423 iwl_fw_dbg_stop_sync(&mvm->fwrt);
1424 iwl_trans_stop_device(mvm->trans);
1425 iwl_free_fw_paging(&mvm->fwrt);
1426 iwl_fw_dump_conf_clear(&mvm->fwrt);
1427 iwl_mvm_mei_device_state(mvm, false);
1428 }
1429
iwl_op_mode_mvm_stop(struct iwl_op_mode * op_mode)1430 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
1431 {
1432 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1433 int i;
1434
1435 if (mvm->mei_registered) {
1436 rtnl_lock();
1437 iwl_mei_set_netdev(NULL);
1438 rtnl_unlock();
1439 iwl_mei_start_unregister();
1440 }
1441
1442 /*
1443 * After we unregister from mei, the worker can't be scheduled
1444 * anymore.
1445 */
1446 cancel_work_sync(&mvm->sap_connected_wk);
1447
1448 iwl_mvm_leds_exit(mvm);
1449
1450 iwl_mvm_thermal_exit(mvm);
1451
1452 /*
1453 * If we couldn't get ownership on the device and we couldn't
1454 * get the NVM from CSME, we haven't registered to mac80211.
1455 * In that case, we didn't fail op_mode_start, because we are
1456 * waiting for CSME to allow us to get the NVM to register to
1457 * mac80211. If that didn't happen, we haven't registered to
1458 * mac80211, hence the if below.
1459 */
1460 if (mvm->hw_registered)
1461 ieee80211_unregister_hw(mvm->hw);
1462
1463 kfree(mvm->scan_cmd);
1464 kfree(mvm->mcast_filter_cmd);
1465 mvm->mcast_filter_cmd = NULL;
1466
1467 kfree(mvm->error_recovery_buf);
1468 mvm->error_recovery_buf = NULL;
1469
1470 iwl_mvm_ptp_remove(mvm);
1471
1472 iwl_trans_op_mode_leave(mvm->trans);
1473
1474 iwl_phy_db_free(mvm->phy_db);
1475 mvm->phy_db = NULL;
1476
1477 kfree(mvm->nvm_data);
1478 kfree(mvm->mei_nvm_data);
1479 kfree(rcu_access_pointer(mvm->csme_conn_info));
1480 kfree(mvm->temp_nvm_data);
1481 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
1482 kfree(mvm->nvm_sections[i].data);
1483
1484 cancel_delayed_work_sync(&mvm->tcm.work);
1485
1486 iwl_fw_runtime_free(&mvm->fwrt);
1487 mutex_destroy(&mvm->mutex);
1488
1489 if (mvm->mei_registered)
1490 iwl_mei_unregister_complete();
1491
1492 ieee80211_free_hw(mvm->hw);
1493 }
1494
1495 struct iwl_async_handler_entry {
1496 struct list_head list;
1497 struct iwl_rx_cmd_buffer rxb;
1498 enum iwl_rx_handler_context context;
1499 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1500 };
1501
iwl_mvm_async_handlers_purge(struct iwl_mvm * mvm)1502 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
1503 {
1504 struct iwl_async_handler_entry *entry, *tmp;
1505
1506 spin_lock_bh(&mvm->async_handlers_lock);
1507 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1508 iwl_free_rxb(&entry->rxb);
1509 list_del(&entry->list);
1510 kfree(entry);
1511 }
1512 spin_unlock_bh(&mvm->async_handlers_lock);
1513 }
1514
iwl_mvm_async_handlers_wk(struct work_struct * wk)1515 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
1516 {
1517 struct iwl_mvm *mvm =
1518 container_of(wk, struct iwl_mvm, async_handlers_wk);
1519 struct iwl_async_handler_entry *entry, *tmp;
1520 LIST_HEAD(local_list);
1521
1522 /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
1523
1524 /*
1525 * Sync with Rx path with a lock. Remove all the entries from this list,
1526 * add them to a local one (lock free), and then handle them.
1527 */
1528 spin_lock_bh(&mvm->async_handlers_lock);
1529 list_splice_init(&mvm->async_handlers_list, &local_list);
1530 spin_unlock_bh(&mvm->async_handlers_lock);
1531
1532 list_for_each_entry_safe(entry, tmp, &local_list, list) {
1533 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
1534 mutex_lock(&mvm->mutex);
1535 entry->fn(mvm, &entry->rxb);
1536 iwl_free_rxb(&entry->rxb);
1537 list_del(&entry->list);
1538 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
1539 mutex_unlock(&mvm->mutex);
1540 kfree(entry);
1541 }
1542 }
1543
iwl_mvm_rx_check_trigger(struct iwl_mvm * mvm,struct iwl_rx_packet * pkt)1544 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
1545 struct iwl_rx_packet *pkt)
1546 {
1547 struct iwl_fw_dbg_trigger_tlv *trig;
1548 struct iwl_fw_dbg_trigger_cmd *cmds_trig;
1549 int i;
1550
1551 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
1552 FW_DBG_TRIGGER_FW_NOTIF);
1553 if (!trig)
1554 return;
1555
1556 cmds_trig = (void *)trig->data;
1557
1558 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
1559 /* don't collect on CMD 0 */
1560 if (!cmds_trig->cmds[i].cmd_id)
1561 break;
1562
1563 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
1564 cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
1565 continue;
1566
1567 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
1568 "CMD 0x%02x.%02x received",
1569 pkt->hdr.group_id, pkt->hdr.cmd);
1570 break;
1571 }
1572 }
1573
iwl_mvm_rx_common(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb,struct iwl_rx_packet * pkt)1574 static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
1575 struct iwl_rx_cmd_buffer *rxb,
1576 struct iwl_rx_packet *pkt)
1577 {
1578 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
1579 int i;
1580 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
1581
1582 iwl_dbg_tlv_time_point(&mvm->fwrt,
1583 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
1584 iwl_mvm_rx_check_trigger(mvm, pkt);
1585
1586 /*
1587 * Do the notification wait before RX handlers so
1588 * even if the RX handler consumes the RXB we have
1589 * access to it in the notification wait entry.
1590 */
1591 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1592
1593 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1594 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1595 struct iwl_async_handler_entry *entry;
1596
1597 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1598 continue;
1599
1600 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size,
1601 "unexpected notification 0x%04x size %d, need %d\n",
1602 rx_h->cmd_id, pkt_len, rx_h->min_size))
1603 return;
1604
1605 if (rx_h->context == RX_HANDLER_SYNC) {
1606 rx_h->fn(mvm, rxb);
1607 return;
1608 }
1609
1610 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1611 /* we can't do much... */
1612 if (!entry)
1613 return;
1614
1615 entry->rxb._page = rxb_steal_page(rxb);
1616 entry->rxb._offset = rxb->_offset;
1617 entry->rxb._rx_page_order = rxb->_rx_page_order;
1618 entry->fn = rx_h->fn;
1619 entry->context = rx_h->context;
1620 spin_lock(&mvm->async_handlers_lock);
1621 list_add_tail(&entry->list, &mvm->async_handlers_list);
1622 spin_unlock(&mvm->async_handlers_lock);
1623 schedule_work(&mvm->async_handlers_wk);
1624 break;
1625 }
1626 }
1627
iwl_mvm_rx(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb)1628 static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1629 struct napi_struct *napi,
1630 struct iwl_rx_cmd_buffer *rxb)
1631 {
1632 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1633 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1634 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1635
1636 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1637 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1638 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1639 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1640 else
1641 iwl_mvm_rx_common(mvm, rxb, pkt);
1642 }
1643
iwl_mvm_rx_mq(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb)1644 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1645 struct napi_struct *napi,
1646 struct iwl_rx_cmd_buffer *rxb)
1647 {
1648 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1649 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1650 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1651
1652 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1653 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1654 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1655 RX_QUEUES_NOTIFICATION)))
1656 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
1657 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1658 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1659 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1660 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
1661 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1662 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1663 else
1664 iwl_mvm_rx_common(mvm, rxb, pkt);
1665 }
1666
iwl_mvm_async_cb(struct iwl_op_mode * op_mode,const struct iwl_device_cmd * cmd)1667 static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
1668 const struct iwl_device_cmd *cmd)
1669 {
1670 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1671
1672 /*
1673 * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
1674 * commands that need to block the Tx queues.
1675 */
1676 iwl_trans_block_txq_ptrs(mvm->trans, false);
1677 }
1678
iwl_mvm_is_static_queue(struct iwl_mvm * mvm,int queue)1679 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1680 {
1681 return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1682 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1683 }
1684
iwl_mvm_queue_state_change(struct iwl_op_mode * op_mode,int hw_queue,bool start)1685 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1686 int hw_queue, bool start)
1687 {
1688 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1689 struct ieee80211_sta *sta;
1690 struct ieee80211_txq *txq;
1691 struct iwl_mvm_txq *mvmtxq;
1692 int i;
1693 unsigned long tid_bitmap;
1694 struct iwl_mvm_sta *mvmsta;
1695 u8 sta_id;
1696
1697 sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1698 mvm->tvqm_info[hw_queue].sta_id :
1699 mvm->queue_info[hw_queue].ra_sta_id;
1700
1701 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations))
1702 return;
1703
1704 rcu_read_lock();
1705
1706 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1707 if (IS_ERR_OR_NULL(sta))
1708 goto out;
1709 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1710
1711 if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1712 if (!start)
1713 ieee80211_stop_queues(mvm->hw);
1714 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1715 ieee80211_wake_queues(mvm->hw);
1716
1717 goto out;
1718 }
1719
1720 if (iwl_mvm_has_new_tx_api(mvm)) {
1721 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1722
1723 tid_bitmap = BIT(tid);
1724 } else {
1725 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1726 }
1727
1728 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1729 int tid = i;
1730
1731 if (tid == IWL_MAX_TID_COUNT)
1732 tid = IEEE80211_NUM_TIDS;
1733
1734 txq = sta->txq[tid];
1735 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1736 if (start)
1737 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1738 else
1739 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1740
1741 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) {
1742 local_bh_disable();
1743 iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1744 local_bh_enable();
1745 }
1746 }
1747
1748 out:
1749 rcu_read_unlock();
1750 }
1751
iwl_mvm_stop_sw_queue(struct iwl_op_mode * op_mode,int hw_queue)1752 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1753 {
1754 iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1755 }
1756
iwl_mvm_wake_sw_queue(struct iwl_op_mode * op_mode,int hw_queue)1757 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1758 {
1759 iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1760 }
1761
iwl_mvm_set_rfkill_state(struct iwl_mvm * mvm)1762 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1763 {
1764 bool state = iwl_mvm_is_radio_killed(mvm);
1765
1766 if (state)
1767 wake_up(&mvm->rx_sync_waitq);
1768
1769 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
1770 }
1771
iwl_mvm_set_hw_ctkill_state(struct iwl_mvm * mvm,bool state)1772 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1773 {
1774 if (state)
1775 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1776 else
1777 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1778
1779 iwl_mvm_set_rfkill_state(mvm);
1780 }
1781
iwl_mvm_get_csme_conn_info(struct iwl_mvm * mvm)1782 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm)
1783 {
1784 return rcu_dereference_protected(mvm->csme_conn_info,
1785 lockdep_is_held(&mvm->mutex));
1786 }
1787
iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode * op_mode,bool state)1788 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1789 {
1790 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1791 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1792 bool unified = iwl_mvm_has_unified_ucode(mvm);
1793
1794 if (state)
1795 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1796 else
1797 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1798
1799 iwl_mvm_set_rfkill_state(mvm);
1800
1801 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */
1802 if (rfkill_safe_init_done)
1803 iwl_abort_notification_waits(&mvm->notif_wait);
1804
1805 /*
1806 * Don't ask the transport to stop the firmware. We'll do it
1807 * after cfg80211 takes us down.
1808 */
1809 if (unified)
1810 return false;
1811
1812 /*
1813 * Stop the device if we run OPERATIONAL firmware or if we are in the
1814 * middle of the calibrations.
1815 */
1816 return state && rfkill_safe_init_done;
1817 }
1818
iwl_mvm_free_skb(struct iwl_op_mode * op_mode,struct sk_buff * skb)1819 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1820 {
1821 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1822 struct ieee80211_tx_info *info;
1823
1824 info = IEEE80211_SKB_CB(skb);
1825 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1826 ieee80211_free_txskb(mvm->hw, skb);
1827 }
1828
1829 struct iwl_mvm_reprobe {
1830 struct device *dev;
1831 struct work_struct work;
1832 };
1833
iwl_mvm_reprobe_wk(struct work_struct * wk)1834 static void iwl_mvm_reprobe_wk(struct work_struct *wk)
1835 {
1836 struct iwl_mvm_reprobe *reprobe;
1837
1838 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
1839 if (device_reprobe(reprobe->dev))
1840 dev_err(reprobe->dev, "reprobe failed!\n");
1841 put_device(reprobe->dev);
1842 kfree(reprobe);
1843 module_put(THIS_MODULE);
1844 }
1845
iwl_mvm_nic_restart(struct iwl_mvm * mvm,bool fw_error)1846 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
1847 {
1848 iwl_abort_notification_waits(&mvm->notif_wait);
1849 iwl_dbg_tlv_del_timers(mvm->trans);
1850
1851 /*
1852 * This is a bit racy, but worst case we tell mac80211 about
1853 * a stopped/aborted scan when that was already done which
1854 * is not a problem. It is necessary to abort any os scan
1855 * here because mac80211 requires having the scan cleared
1856 * before restarting.
1857 * We'll reset the scan_status to NONE in restart cleanup in
1858 * the next start() call from mac80211. If restart isn't called
1859 * (no fw restart) scan status will stay busy.
1860 */
1861 iwl_mvm_report_scan_aborted(mvm);
1862
1863 /*
1864 * If we're restarting already, don't cycle restarts.
1865 * If INIT fw asserted, it will likely fail again.
1866 * If WoWLAN fw asserted, don't restart either, mac80211
1867 * can't recover this since we're already half suspended.
1868 */
1869 if (!mvm->fw_restart && fw_error) {
1870 iwl_fw_error_collect(&mvm->fwrt, false);
1871 } else if (test_bit(IWL_MVM_STATUS_STARTING,
1872 &mvm->status)) {
1873 IWL_ERR(mvm, "Starting mac, retry will be triggered anyway\n");
1874 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1875 struct iwl_mvm_reprobe *reprobe;
1876
1877 IWL_ERR(mvm,
1878 "Firmware error during reconfiguration - reprobe!\n");
1879
1880 /*
1881 * get a module reference to avoid doing this while unloading
1882 * anyway and to avoid scheduling a work with code that's
1883 * being removed.
1884 */
1885 if (!try_module_get(THIS_MODULE)) {
1886 IWL_ERR(mvm, "Module is being unloaded - abort\n");
1887 return;
1888 }
1889
1890 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
1891 if (!reprobe) {
1892 module_put(THIS_MODULE);
1893 return;
1894 }
1895 reprobe->dev = get_device(mvm->trans->dev);
1896 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
1897 schedule_work(&reprobe->work);
1898 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1899 &mvm->status)) {
1900 IWL_ERR(mvm, "HW restart already requested, but not started\n");
1901 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
1902 mvm->hw_registered &&
1903 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
1904 /* This should be first thing before trying to collect any
1905 * data to avoid endless loops if any HW error happens while
1906 * collecting debug data.
1907 */
1908 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1909
1910 if (mvm->fw->ucode_capa.error_log_size) {
1911 u32 src_size = mvm->fw->ucode_capa.error_log_size;
1912 u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
1913 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
1914
1915 if (recover_buf) {
1916 mvm->error_recovery_buf = recover_buf;
1917 iwl_trans_read_mem_bytes(mvm->trans,
1918 src_addr,
1919 recover_buf,
1920 src_size);
1921 }
1922 }
1923
1924 iwl_fw_error_collect(&mvm->fwrt, false);
1925
1926 if (fw_error && mvm->fw_restart > 0) {
1927 mvm->fw_restart--;
1928 ieee80211_restart_hw(mvm->hw);
1929 } else if (mvm->fwrt.trans->dbg.restart_required) {
1930 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n");
1931 mvm->fwrt.trans->dbg.restart_required = FALSE;
1932 ieee80211_restart_hw(mvm->hw);
1933 } else if (mvm->trans->trans_cfg->device_family <= IWL_DEVICE_FAMILY_8000) {
1934 ieee80211_restart_hw(mvm->hw);
1935 }
1936 }
1937 }
1938
iwl_mvm_nic_error(struct iwl_op_mode * op_mode,bool sync)1939 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync)
1940 {
1941 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1942
1943 if (mvm->pldr_sync)
1944 return;
1945
1946 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status) &&
1947 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE,
1948 &mvm->status))
1949 iwl_mvm_dump_nic_error_log(mvm);
1950
1951 if (sync) {
1952 iwl_fw_error_collect(&mvm->fwrt, true);
1953 /*
1954 * Currently, the only case for sync=true is during
1955 * shutdown, so just stop in this case. If/when that
1956 * changes, we need to be a bit smarter here.
1957 */
1958 return;
1959 }
1960
1961 /*
1962 * If the firmware crashes while we're already considering it
1963 * to be dead then don't ask for a restart, that cannot do
1964 * anything useful anyway.
1965 */
1966 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status))
1967 return;
1968
1969 iwl_mvm_nic_restart(mvm, false);
1970 }
1971
iwl_mvm_cmd_queue_full(struct iwl_op_mode * op_mode)1972 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
1973 {
1974 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1975
1976 WARN_ON(1);
1977 iwl_mvm_nic_restart(mvm, true);
1978 }
1979
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)1980 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode,
1981 enum iwl_fw_ini_time_point tp_id,
1982 union iwl_dbg_tlv_tp_data *tp_data)
1983 {
1984 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1985
1986 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data);
1987 }
1988
1989 #define IWL_MVM_COMMON_OPS \
1990 /* these could be differentiated */ \
1991 .async_cb = iwl_mvm_async_cb, \
1992 .queue_full = iwl_mvm_stop_sw_queue, \
1993 .queue_not_full = iwl_mvm_wake_sw_queue, \
1994 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
1995 .free_skb = iwl_mvm_free_skb, \
1996 .nic_error = iwl_mvm_nic_error, \
1997 .cmd_queue_full = iwl_mvm_cmd_queue_full, \
1998 .nic_config = iwl_mvm_nic_config, \
1999 /* as we only register one, these MUST be common! */ \
2000 .start = iwl_op_mode_mvm_start, \
2001 .stop = iwl_op_mode_mvm_stop, \
2002 .time_point = iwl_op_mode_mvm_time_point
2003
2004 static const struct iwl_op_mode_ops iwl_mvm_ops = {
2005 IWL_MVM_COMMON_OPS,
2006 .rx = iwl_mvm_rx,
2007 };
2008
iwl_mvm_rx_mq_rss(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb,unsigned int queue)2009 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
2010 struct napi_struct *napi,
2011 struct iwl_rx_cmd_buffer *rxb,
2012 unsigned int queue)
2013 {
2014 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2015 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2016 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
2017
2018 if (unlikely(queue >= mvm->trans->num_rx_queues))
2019 return;
2020
2021 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
2022 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
2023 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
2024 RX_QUEUES_NOTIFICATION)))
2025 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
2026 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
2027 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
2028 }
2029
2030 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
2031 IWL_MVM_COMMON_OPS,
2032 .rx = iwl_mvm_rx_mq,
2033 .rx_rss = iwl_mvm_rx_mq_rss,
2034 };
2035