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 #if defined(__FreeBSD__)
8 #define LINUXKPI_PARAM_PREFIX iwlwifi_mvm_
9 #endif
10 #include <linux/module.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/vmalloc.h>
13 #include <net/mac80211.h>
14
15 #include "fw/notif-wait.h"
16 #include "iwl-trans.h"
17 #include "iwl-op-mode.h"
18 #include "fw/img.h"
19 #include "iwl-debug.h"
20 #include "iwl-drv.h"
21 #include "iwl-modparams.h"
22 #include "mvm.h"
23 #include "iwl-phy-db.h"
24 #include "iwl-eeprom-parse.h"
25 #include "iwl-csr.h"
26 #include "iwl-io.h"
27 #include "iwl-prph.h"
28 #include "rs.h"
29 #include "fw/api/scan.h"
30 #include "fw/api/rfi.h"
31 #include "time-event.h"
32 #include "fw-api.h"
33 #include "fw/acpi.h"
34 #include "fw/uefi.h"
35 #include "time-sync.h"
36
37 #if defined(__linux__)
38 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
39 MODULE_LICENSE("GPL");
40 #elif defined(__FreeBSD__)
41 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN/AC/AX based driver for FreeBSD"
42 MODULE_LICENSE("BSD");
43 #endif
44 MODULE_DESCRIPTION(DRV_DESCRIPTION);
45 MODULE_IMPORT_NS(IWLWIFI);
46
47 static const struct iwl_op_mode_ops iwl_mvm_ops;
48 static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
49
50 struct iwl_mvm_mod_params iwlmvm_mod_params = {
51 #if defined(__FreeBSD__)
52 .power_scheme = IWL_POWER_SCHEME_CAM, /* disable default PS */
53 #else
54 .power_scheme = IWL_POWER_SCHEME_BPS,
55 #endif
56 /* rest of fields are 0 by default */
57 };
58
59 module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
60 MODULE_PARM_DESC(init_dbg,
61 "set to true to debug an ASSERT in INIT fw (default: false");
62 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
63 MODULE_PARM_DESC(power_scheme,
64 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
65
66 /*
67 * module init and exit functions
68 */
iwl_mvm_init(void)69 static int __init iwl_mvm_init(void)
70 {
71 int ret;
72
73 ret = iwl_mvm_rate_control_register();
74 if (ret) {
75 pr_err("Unable to register rate control algorithm: %d\n", ret);
76 return ret;
77 }
78
79 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
80 if (ret)
81 pr_err("Unable to register MVM op_mode: %d\n", ret);
82
83 return ret;
84 }
85 #if defined(__linux__)
86 module_init(iwl_mvm_init);
87 #elif defined(__FreeBSD__)
88 module_init_order(iwl_mvm_init, SI_ORDER_SECOND);
89 #endif
90
iwl_mvm_exit(void)91 static void __exit iwl_mvm_exit(void)
92 {
93 iwl_opmode_deregister("iwlmvm");
94 iwl_mvm_rate_control_unregister();
95 }
96 module_exit(iwl_mvm_exit);
97
iwl_mvm_nic_config(struct iwl_op_mode * op_mode)98 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
99 {
100 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
101 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
102 u32 reg_val;
103 u32 phy_config = iwl_mvm_get_phy_config(mvm);
104
105 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
106 FW_PHY_CFG_RADIO_TYPE_POS;
107 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
108 FW_PHY_CFG_RADIO_STEP_POS;
109 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
110 FW_PHY_CFG_RADIO_DASH_POS;
111
112 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
113 radio_cfg_step, radio_cfg_dash);
114
115 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
116 return;
117
118 /* SKU control */
119 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->hw_rev);
120
121 /* radio configuration */
122 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
123 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
124 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
125
126 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
127 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
128
129 /*
130 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
131 * sampling, and shouldn't be set to any non-zero value.
132 * The same is supposed to be true of the other HW, but unsetting
133 * them (such as the 7260) causes automatic tests to fail on seemingly
134 * unrelated errors. Need to further investigate this, but for now
135 * we'll separate cases.
136 */
137 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000)
138 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
139
140 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt))
141 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
142
143 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
144 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH |
145 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
146 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
147 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
148 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
149 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI |
150 CSR_HW_IF_CONFIG_REG_D3_DEBUG,
151 reg_val);
152
153 /*
154 * W/A : NIC is stuck in a reset state after Early PCIe power off
155 * (PCIe power is lost before PERST# is asserted), causing ME FW
156 * to lose ownership and not being able to obtain it back.
157 */
158 if (!mvm->trans->cfg->apmg_not_supported)
159 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
160 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
161 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
162 }
163
iwl_mvm_rx_monitor_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)164 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm,
165 struct iwl_rx_cmd_buffer *rxb)
166 {
167 struct iwl_rx_packet *pkt = rxb_addr(rxb);
168 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data;
169 struct ieee80211_supported_band *sband;
170 const struct ieee80211_sta_he_cap *he_cap;
171 struct ieee80211_vif *vif;
172
173 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA))
174 return;
175
176 vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id);
177 if (!vif || vif->type != NL80211_IFTYPE_STATION)
178 return;
179
180 if (!vif->bss_conf.chandef.chan ||
181 vif->bss_conf.chandef.chan->band != NL80211_BAND_2GHZ ||
182 vif->bss_conf.chandef.width < NL80211_CHAN_WIDTH_40)
183 return;
184
185 if (!vif->cfg.assoc)
186 return;
187
188 /* this shouldn't happen *again*, ignore it */
189 if (mvm->cca_40mhz_workaround)
190 return;
191
192 /*
193 * We'll decrement this on disconnect - so set to 2 since we'll
194 * still have to disconnect from the current AP first.
195 */
196 mvm->cca_40mhz_workaround = 2;
197
198 /*
199 * This capability manipulation isn't really ideal, but it's the
200 * easiest choice - otherwise we'd have to do some major changes
201 * in mac80211 to support this, which isn't worth it. This does
202 * mean that userspace may have outdated information, but that's
203 * actually not an issue at all.
204 */
205 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
206
207 WARN_ON(!sband->ht_cap.ht_supported);
208 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40));
209 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
210
211 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif);
212
213 if (he_cap) {
214 /* we know that ours is writable */
215 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap;
216
217 WARN_ON(!he->has_he);
218 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] &
219 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G));
220 he->he_cap_elem.phy_cap_info[0] &=
221 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
222 }
223
224 ieee80211_disconnect(vif, true);
225 }
226
iwl_mvm_update_link_smps(struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)227 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif,
228 struct ieee80211_bss_conf *link_conf)
229 {
230 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
231 struct iwl_mvm *mvm = mvmvif->mvm;
232 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC;
233
234 if (!link_conf)
235 return;
236
237 if (mvm->fw_static_smps_request &&
238 link_conf->chandef.width == NL80211_CHAN_WIDTH_160 &&
239 link_conf->he_support)
240 mode = IEEE80211_SMPS_STATIC;
241
242 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode,
243 link_conf->link_id);
244 }
245
iwl_mvm_intf_dual_chain_req(void * data,u8 * mac,struct ieee80211_vif * vif)246 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac,
247 struct ieee80211_vif *vif)
248 {
249 struct ieee80211_bss_conf *link_conf;
250 unsigned int link_id;
251
252 rcu_read_lock();
253
254 for_each_vif_active_link(vif, link_conf, link_id)
255 iwl_mvm_update_link_smps(vif, link_conf);
256
257 rcu_read_unlock();
258 }
259
iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)260 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm,
261 struct iwl_rx_cmd_buffer *rxb)
262 {
263 struct iwl_rx_packet *pkt = rxb_addr(rxb);
264 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data;
265
266 /*
267 * We could pass it to the iterator data, but also need to remember
268 * it for new interfaces that are added while in this state.
269 */
270 mvm->fw_static_smps_request =
271 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE);
272 ieee80211_iterate_interfaces(mvm->hw,
273 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER,
274 iwl_mvm_intf_dual_chain_req, NULL);
275 }
276
277 /**
278 * enum iwl_rx_handler_context context for Rx handler
279 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
280 * which can't acquire mvm->mutex.
281 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
282 * (and only in this case!), it should be set as ASYNC. In that case,
283 * it will be called from a worker with mvm->mutex held.
284 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
285 * mutex itself, it will be called from a worker without mvm->mutex held.
286 */
287 enum iwl_rx_handler_context {
288 RX_HANDLER_SYNC,
289 RX_HANDLER_ASYNC_LOCKED,
290 RX_HANDLER_ASYNC_UNLOCKED,
291 };
292
293 /**
294 * struct iwl_rx_handlers handler for FW notification
295 * @cmd_id: command id
296 * @min_size: minimum size to expect for the notification
297 * @context: see &iwl_rx_handler_context
298 * @fn: the function is called when notification is received
299 */
300 struct iwl_rx_handlers {
301 u16 cmd_id, min_size;
302 enum iwl_rx_handler_context context;
303 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
304 };
305
306 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \
307 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, }
308 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \
309 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, }
310 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \
311 { .cmd_id = _cmd_id, .fn = _fn, \
312 .context = _context, .min_size = sizeof(_struct), }
313 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \
314 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \
315 .context = _context, .min_size = sizeof(_struct), }
316
317 /*
318 * Handlers for fw notifications
319 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
320 * This list should be in order of frequency for performance purposes.
321 *
322 * The handler can be one from three contexts, see &iwl_rx_handler_context
323 */
324 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
325 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC,
326 struct iwl_mvm_tx_resp),
327 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC,
328 struct iwl_mvm_ba_notif),
329
330 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
331 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC,
332 struct iwl_tlc_update_notif),
333
334 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
335 RX_HANDLER_ASYNC_LOCKED, struct iwl_bt_coex_profile_notif),
336 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
337 RX_HANDLER_ASYNC_LOCKED),
338 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
339 RX_HANDLER_ASYNC_LOCKED),
340
341 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
342 iwl_mvm_window_status_notif, RX_HANDLER_SYNC,
343 struct iwl_ba_window_status_notif),
344
345 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
346 RX_HANDLER_SYNC, struct iwl_time_event_notif),
347 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
348 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC,
349 struct iwl_mvm_session_prot_notif),
350 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
351 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif),
352
353 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC,
354 struct iwl_mvm_eosp_notification),
355
356 RX_HANDLER(SCAN_ITERATION_COMPLETE,
357 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC,
358 struct iwl_lmac_scan_complete_notif),
359 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
360 iwl_mvm_rx_lmac_scan_complete_notif,
361 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete),
362 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION,
363 iwl_mvm_rx_scan_match_found,
364 RX_HANDLER_SYNC),
365 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
366 RX_HANDLER_ASYNC_LOCKED, struct iwl_umac_scan_complete),
367 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
368 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC,
369 struct iwl_umac_scan_iter_complete_notif),
370
371 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
372 RX_HANDLER_SYNC, struct iwl_missed_beacons_notif),
373
374 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC,
375 struct iwl_error_resp),
376 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
377 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC,
378 struct iwl_uapsd_misbehaving_ap_notif),
379 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
380 RX_HANDLER_ASYNC_LOCKED),
381 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
382 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
383 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
384 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC,
385 struct ct_kill_notif),
386
387 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
388 RX_HANDLER_ASYNC_LOCKED,
389 struct iwl_tdls_channel_switch_notif),
390 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
391 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1),
392 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
393 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED,
394 struct iwl_ftm_responder_stats),
395
396 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
397 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
398 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF,
399 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
400
401 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
402 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC,
403 struct iwl_mfu_assert_dump_notif),
404 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
405 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC,
406 struct iwl_stored_beacon_notif_v2),
407 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
408 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC,
409 struct iwl_mu_group_mgmt_notif),
410 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
411 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC,
412 struct iwl_mvm_pm_state_notification),
413 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF,
414 iwl_mvm_probe_resp_data_notif,
415 RX_HANDLER_ASYNC_LOCKED,
416 struct iwl_probe_resp_data_notif),
417 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF,
418 iwl_mvm_channel_switch_start_notif,
419 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif),
420 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF,
421 iwl_mvm_channel_switch_error_notif,
422 RX_HANDLER_ASYNC_UNLOCKED,
423 struct iwl_channel_switch_error_notif),
424 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF,
425 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED,
426 struct iwl_datapath_monitor_notif),
427
428 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST,
429 iwl_mvm_rx_thermal_dual_chain_req,
430 RX_HANDLER_ASYNC_LOCKED,
431 struct iwl_thermal_dual_chain_request),
432
433 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF,
434 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED,
435 struct iwl_rfi_deactivate_notif),
436
437 RX_HANDLER_GRP(LEGACY_GROUP,
438 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION,
439 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC,
440 struct iwl_time_msmt_notify),
441 RX_HANDLER_GRP(LEGACY_GROUP,
442 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION,
443 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC,
444 struct iwl_time_msmt_cfm_notify),
445 };
446 #undef RX_HANDLER
447 #undef RX_HANDLER_GRP
448
449 /* Please keep this array *SORTED* by hex value.
450 * Access is done through binary search
451 */
452 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
453 HCMD_NAME(UCODE_ALIVE_NTFY),
454 HCMD_NAME(REPLY_ERROR),
455 HCMD_NAME(ECHO_CMD),
456 HCMD_NAME(INIT_COMPLETE_NOTIF),
457 HCMD_NAME(PHY_CONTEXT_CMD),
458 HCMD_NAME(DBG_CFG),
459 HCMD_NAME(SCAN_CFG_CMD),
460 HCMD_NAME(SCAN_REQ_UMAC),
461 HCMD_NAME(SCAN_ABORT_UMAC),
462 HCMD_NAME(SCAN_COMPLETE_UMAC),
463 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
464 HCMD_NAME(ADD_STA_KEY),
465 HCMD_NAME(ADD_STA),
466 HCMD_NAME(REMOVE_STA),
467 HCMD_NAME(TX_CMD),
468 HCMD_NAME(SCD_QUEUE_CFG),
469 HCMD_NAME(TXPATH_FLUSH),
470 HCMD_NAME(MGMT_MCAST_KEY),
471 HCMD_NAME(WEP_KEY),
472 HCMD_NAME(SHARED_MEM_CFG),
473 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
474 HCMD_NAME(MAC_CONTEXT_CMD),
475 HCMD_NAME(TIME_EVENT_CMD),
476 HCMD_NAME(TIME_EVENT_NOTIFICATION),
477 HCMD_NAME(BINDING_CONTEXT_CMD),
478 HCMD_NAME(TIME_QUOTA_CMD),
479 HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
480 HCMD_NAME(LEDS_CMD),
481 HCMD_NAME(LQ_CMD),
482 HCMD_NAME(FW_PAGING_BLOCK_CMD),
483 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
484 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
485 HCMD_NAME(HOT_SPOT_CMD),
486 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
487 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
488 HCMD_NAME(BT_COEX_CI),
489 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION),
490 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION),
491 HCMD_NAME(PHY_CONFIGURATION_CMD),
492 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
493 HCMD_NAME(PHY_DB_CMD),
494 HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
495 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
496 HCMD_NAME(POWER_TABLE_CMD),
497 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
498 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
499 HCMD_NAME(NVM_ACCESS_CMD),
500 HCMD_NAME(BEACON_NOTIFICATION),
501 HCMD_NAME(BEACON_TEMPLATE_CMD),
502 HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
503 HCMD_NAME(BT_CONFIG),
504 HCMD_NAME(STATISTICS_CMD),
505 HCMD_NAME(STATISTICS_NOTIFICATION),
506 HCMD_NAME(EOSP_NOTIFICATION),
507 HCMD_NAME(REDUCE_TX_POWER_CMD),
508 HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
509 HCMD_NAME(TDLS_CONFIG_CMD),
510 HCMD_NAME(MAC_PM_POWER_TABLE),
511 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
512 HCMD_NAME(MFUART_LOAD_NOTIFICATION),
513 HCMD_NAME(RSS_CONFIG_CMD),
514 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
515 HCMD_NAME(REPLY_RX_PHY_CMD),
516 HCMD_NAME(REPLY_RX_MPDU_CMD),
517 HCMD_NAME(BAR_FRAME_RELEASE),
518 HCMD_NAME(FRAME_RELEASE),
519 HCMD_NAME(BA_NOTIF),
520 HCMD_NAME(MCC_UPDATE_CMD),
521 HCMD_NAME(MCC_CHUB_UPDATE_CMD),
522 HCMD_NAME(MARKER_CMD),
523 HCMD_NAME(BT_PROFILE_NOTIFICATION),
524 HCMD_NAME(MCAST_FILTER_CMD),
525 HCMD_NAME(REPLY_SF_CFG_CMD),
526 HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
527 HCMD_NAME(D3_CONFIG_CMD),
528 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
529 HCMD_NAME(MATCH_FOUND_NOTIFICATION),
530 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
531 HCMD_NAME(WOWLAN_PATTERNS),
532 HCMD_NAME(WOWLAN_CONFIGURATION),
533 HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
534 HCMD_NAME(WOWLAN_TKIP_PARAM),
535 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
536 HCMD_NAME(WOWLAN_GET_STATUSES),
537 HCMD_NAME(SCAN_ITERATION_COMPLETE),
538 HCMD_NAME(D0I3_END_CMD),
539 HCMD_NAME(LTR_CONFIG),
540 HCMD_NAME(LDBG_CONFIG_CMD),
541 };
542
543 /* Please keep this array *SORTED* by hex value.
544 * Access is done through binary search
545 */
546 static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
547 HCMD_NAME(SHARED_MEM_CFG_CMD),
548 HCMD_NAME(INIT_EXTENDED_CFG_CMD),
549 HCMD_NAME(FW_ERROR_RECOVERY_CMD),
550 HCMD_NAME(RFI_CONFIG_CMD),
551 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD),
552 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD),
553 HCMD_NAME(RFI_DEACTIVATE_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_mac_conf_names[] = {
560 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
561 HCMD_NAME(SESSION_PROTECTION_CMD),
562 HCMD_NAME(MAC_CONFIG_CMD),
563 HCMD_NAME(LINK_CONFIG_CMD),
564 HCMD_NAME(STA_CONFIG_CMD),
565 HCMD_NAME(AUX_STA_CMD),
566 HCMD_NAME(STA_REMOVE_CMD),
567 HCMD_NAME(STA_DISABLE_TX_CMD),
568 HCMD_NAME(SESSION_PROTECTION_NOTIF),
569 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF),
570 };
571
572 /* Please keep this array *SORTED* by hex value.
573 * Access is done through binary search
574 */
575 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
576 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
577 HCMD_NAME(CTDP_CONFIG_CMD),
578 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
579 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD),
580 HCMD_NAME(CT_KILL_NOTIFICATION),
581 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
582 };
583
584 /* Please keep this array *SORTED* by hex value.
585 * Access is done through binary search
586 */
587 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
588 HCMD_NAME(DQA_ENABLE_CMD),
589 HCMD_NAME(UPDATE_MU_GROUPS_CMD),
590 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
591 HCMD_NAME(STA_HE_CTXT_CMD),
592 HCMD_NAME(RLC_CONFIG_CMD),
593 HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
594 HCMD_NAME(TLC_MNG_CONFIG_CMD),
595 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
596 HCMD_NAME(SCD_QUEUE_CONFIG_CMD),
597 HCMD_NAME(SEC_KEY_CMD),
598 HCMD_NAME(MONITOR_NOTIF),
599 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST),
600 HCMD_NAME(STA_PM_NOTIF),
601 HCMD_NAME(MU_GROUP_MGMT_NOTIF),
602 HCMD_NAME(RX_QUEUES_NOTIFICATION),
603 };
604
605 /* Please keep this array *SORTED* by hex value.
606 * Access is done through binary search
607 */
608 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = {
609 HCMD_NAME(OFFLOAD_MATCH_INFO_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_location_names[] = {
616 HCMD_NAME(TOF_RANGE_REQ_CMD),
617 HCMD_NAME(TOF_CONFIG_CMD),
618 HCMD_NAME(TOF_RANGE_ABORT_CMD),
619 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
620 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
621 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
622 HCMD_NAME(TOF_LC_NOTIF),
623 HCMD_NAME(TOF_RESPONDER_STATS),
624 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
625 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
626 };
627
628 /* Please keep this array *SORTED* by hex value.
629 * Access is done through binary search
630 */
631 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
632 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION),
633 HCMD_NAME(WOWLAN_INFO_NOTIFICATION),
634 HCMD_NAME(D3_END_NOTIFICATION),
635 HCMD_NAME(STORED_BEACON_NTF),
636 };
637
638 /* Please keep this array *SORTED* by hex value.
639 * Access is done through binary search
640 */
641 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
642 HCMD_NAME(NVM_ACCESS_COMPLETE),
643 HCMD_NAME(NVM_GET_INFO),
644 HCMD_NAME(TAS_CONFIG),
645 };
646
647 static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
648 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
649 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
650 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
651 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
652 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
653 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
654 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names),
655 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
656 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
657 [REGULATORY_AND_NVM_GROUP] =
658 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
659 };
660
661 /* this forward declaration can avoid to export the function */
662 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
663
iwl_mvm_min_backoff(struct iwl_mvm * mvm)664 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
665 {
666 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
667 u64 dflt_pwr_limit;
668
669 if (!backoff)
670 return 0;
671
672 dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
673
674 while (backoff->pwr) {
675 if (dflt_pwr_limit >= backoff->pwr)
676 return backoff->backoff;
677
678 backoff++;
679 }
680
681 return 0;
682 }
683
iwl_mvm_tx_unblock_dwork(struct work_struct * work)684 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
685 {
686 struct iwl_mvm *mvm =
687 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
688 struct ieee80211_vif *tx_blocked_vif;
689 struct iwl_mvm_vif *mvmvif;
690
691 mutex_lock(&mvm->mutex);
692
693 tx_blocked_vif =
694 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
695 lockdep_is_held(&mvm->mutex));
696
697 if (!tx_blocked_vif)
698 goto unlock;
699
700 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
701 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
702 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
703 unlock:
704 mutex_unlock(&mvm->mutex);
705 }
706
iwl_mvm_fwrt_dump_start(void * ctx)707 static void iwl_mvm_fwrt_dump_start(void *ctx)
708 {
709 struct iwl_mvm *mvm = ctx;
710
711 mutex_lock(&mvm->mutex);
712 }
713
iwl_mvm_fwrt_dump_end(void * ctx)714 static void iwl_mvm_fwrt_dump_end(void *ctx)
715 {
716 struct iwl_mvm *mvm = ctx;
717
718 mutex_unlock(&mvm->mutex);
719 }
720
iwl_mvm_fwrt_fw_running(void * ctx)721 static bool iwl_mvm_fwrt_fw_running(void *ctx)
722 {
723 return iwl_mvm_firmware_running(ctx);
724 }
725
iwl_mvm_fwrt_send_hcmd(void * ctx,struct iwl_host_cmd * host_cmd)726 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
727 {
728 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
729 int ret;
730
731 mutex_lock(&mvm->mutex);
732 ret = iwl_mvm_send_cmd(mvm, host_cmd);
733 mutex_unlock(&mvm->mutex);
734
735 return ret;
736 }
737
iwl_mvm_d3_debug_enable(void * ctx)738 static bool iwl_mvm_d3_debug_enable(void *ctx)
739 {
740 return IWL_MVM_D3_DEBUG;
741 }
742
743 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
744 .dump_start = iwl_mvm_fwrt_dump_start,
745 .dump_end = iwl_mvm_fwrt_dump_end,
746 .fw_running = iwl_mvm_fwrt_fw_running,
747 .send_hcmd = iwl_mvm_fwrt_send_hcmd,
748 .d3_debug_enable = iwl_mvm_d3_debug_enable,
749 };
750
iwl_mvm_start_get_nvm(struct iwl_mvm * mvm)751 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
752 {
753 struct iwl_trans *trans = mvm->trans;
754 int ret;
755
756 if (trans->csme_own) {
757 if (WARN(!mvm->mei_registered,
758 "csme is owner, but we aren't registered to iwlmei\n"))
759 goto get_nvm_from_fw;
760
761 mvm->mei_nvm_data = iwl_mei_get_nvm();
762 if (mvm->mei_nvm_data) {
763 /*
764 * mvm->mei_nvm_data is set and because of that,
765 * we'll load the NVM from the FW when we'll get
766 * ownership.
767 */
768 mvm->nvm_data =
769 iwl_parse_mei_nvm_data(trans, trans->cfg,
770 mvm->mei_nvm_data, mvm->fw);
771 return 0;
772 }
773
774 IWL_ERR(mvm,
775 "Got a NULL NVM from CSME, trying to get it from the device\n");
776 }
777
778 get_nvm_from_fw:
779 rtnl_lock();
780 wiphy_lock(mvm->hw->wiphy);
781 mutex_lock(&mvm->mutex);
782
783 ret = iwl_trans_start_hw(mvm->trans);
784 if (ret) {
785 mutex_unlock(&mvm->mutex);
786 wiphy_unlock(mvm->hw->wiphy);
787 rtnl_unlock();
788 return ret;
789 }
790
791 ret = iwl_run_init_mvm_ucode(mvm);
792 if (ret && ret != -ERFKILL)
793 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
794 if (!ret && iwl_mvm_is_lar_supported(mvm)) {
795 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
796 ret = iwl_mvm_init_mcc(mvm);
797 }
798
799 if (!iwlmvm_mod_params.init_dbg || !ret)
800 iwl_mvm_stop_device(mvm);
801
802 mutex_unlock(&mvm->mutex);
803 wiphy_unlock(mvm->hw->wiphy);
804 rtnl_unlock();
805
806 if (ret)
807 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
808
809 return ret;
810 }
811
iwl_mvm_start_post_nvm(struct iwl_mvm * mvm)812 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
813 {
814 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
815 int ret;
816
817 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
818
819 ret = iwl_mvm_mac_setup_register(mvm);
820 if (ret)
821 return ret;
822
823 mvm->hw_registered = true;
824
825 iwl_mvm_dbgfs_register(mvm);
826
827 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
828 mvm->mei_rfkill_blocked,
829 RFKILL_HARD_BLOCK_NOT_OWNER);
830
831 iwl_mvm_mei_set_sw_rfkill_state(mvm);
832
833 return 0;
834 }
835
836 struct iwl_mvm_frob_txf_data {
837 u8 *buf;
838 size_t buflen;
839 };
840
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)841 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw,
842 struct ieee80211_vif *vif,
843 struct ieee80211_sta *sta,
844 struct ieee80211_key_conf *key,
845 void *data)
846 {
847 struct iwl_mvm_frob_txf_data *txf = data;
848 u8 keylen, match, matchend;
849 u8 *keydata;
850 size_t i;
851
852 switch (key->cipher) {
853 case WLAN_CIPHER_SUITE_CCMP:
854 keydata = key->key;
855 keylen = key->keylen;
856 break;
857 case WLAN_CIPHER_SUITE_WEP40:
858 case WLAN_CIPHER_SUITE_WEP104:
859 case WLAN_CIPHER_SUITE_TKIP:
860 /*
861 * WEP has short keys which might show up in the payload,
862 * and then you can deduce the key, so in this case just
863 * remove all FIFO data.
864 * For TKIP, we don't know the phase 2 keys here, so same.
865 */
866 memset(txf->buf, 0xBB, txf->buflen);
867 return;
868 default:
869 return;
870 }
871
872 /* scan for key material and clear it out */
873 match = 0;
874 for (i = 0; i < txf->buflen; i++) {
875 if (txf->buf[i] != keydata[match]) {
876 match = 0;
877 continue;
878 }
879 match++;
880 if (match == keylen) {
881 memset(txf->buf + i - keylen, 0xAA, keylen);
882 match = 0;
883 }
884 }
885
886 /* we're dealing with a FIFO, so check wrapped around data */
887 matchend = match;
888 for (i = 0; match && i < keylen - match; i++) {
889 if (txf->buf[i] != keydata[match])
890 break;
891 match++;
892 if (match == keylen) {
893 memset(txf->buf, 0xAA, i + 1);
894 memset(txf->buf + txf->buflen - matchend, 0xAA,
895 matchend);
896 break;
897 }
898 }
899 }
900
iwl_mvm_frob_txf(void * ctx,void * buf,size_t buflen)901 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen)
902 {
903 struct iwl_mvm_frob_txf_data txf = {
904 .buf = buf,
905 .buflen = buflen,
906 };
907 struct iwl_mvm *mvm = ctx;
908
909 /* embedded key material exists only on old API */
910 if (iwl_mvm_has_new_tx_api(mvm))
911 return;
912
913 rcu_read_lock();
914 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf);
915 rcu_read_unlock();
916 }
917
iwl_mvm_frob_hcmd(void * ctx,void * hcmd,size_t len)918 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len)
919 {
920 /* we only use wide headers for commands */
921 struct iwl_cmd_header_wide *hdr = hcmd;
922 unsigned int frob_start = sizeof(*hdr), frob_end = 0;
923
924 if (len < sizeof(hdr))
925 return;
926
927 /* all the commands we care about are in LONG_GROUP */
928 if (hdr->group_id != LONG_GROUP)
929 return;
930
931 switch (hdr->cmd) {
932 case WEP_KEY:
933 case WOWLAN_TKIP_PARAM:
934 case WOWLAN_KEK_KCK_MATERIAL:
935 case ADD_STA_KEY:
936 /*
937 * blank out everything here, easier than dealing
938 * with the various versions of the command
939 */
940 frob_end = INT_MAX;
941 break;
942 case MGMT_MCAST_KEY:
943 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
944 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) !=
945 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
946
947 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
948 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) <
949 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
950 break;
951 }
952
953 if (frob_start >= frob_end)
954 return;
955
956 if (frob_end > len)
957 frob_end = len;
958
959 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start);
960 }
961
iwl_mvm_frob_mem(void * ctx,u32 mem_addr,void * mem,size_t buflen)962 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen)
963 {
964 const struct iwl_dump_exclude *excl;
965 struct iwl_mvm *mvm = ctx;
966 int i;
967
968 switch (mvm->fwrt.cur_fw_img) {
969 case IWL_UCODE_INIT:
970 default:
971 /* not relevant */
972 return;
973 case IWL_UCODE_REGULAR:
974 case IWL_UCODE_REGULAR_USNIFFER:
975 excl = mvm->fw->dump_excl;
976 break;
977 case IWL_UCODE_WOWLAN:
978 excl = mvm->fw->dump_excl_wowlan;
979 break;
980 }
981
982 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) !=
983 sizeof(mvm->fw->dump_excl_wowlan));
984
985 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) {
986 u32 start, end;
987
988 if (!excl[i].addr || !excl[i].size)
989 continue;
990
991 start = excl[i].addr;
992 end = start + excl[i].size;
993
994 if (end <= mem_addr || start >= mem_addr + buflen)
995 continue;
996
997 if (start < mem_addr)
998 start = mem_addr;
999
1000 if (end > mem_addr + buflen)
1001 end = mem_addr + buflen;
1002
1003 memset((u8 *)mem + start - mem_addr, 0xAA, end - start);
1004 }
1005 }
1006
1007 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = {
1008 .frob_txf = iwl_mvm_frob_txf,
1009 .frob_hcmd = iwl_mvm_frob_hcmd,
1010 .frob_mem = iwl_mvm_frob_mem,
1011 };
1012
1013 #if IS_ENABLED(CONFIG_IWLMEI)
iwl_mvm_me_conn_status(void * priv,const struct iwl_mei_conn_info * conn_info)1014 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info)
1015 {
1016 struct iwl_mvm *mvm = priv;
1017 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info;
1018
1019 /*
1020 * This is protected by the guarantee that this function will not be
1021 * called twice on two different threads
1022 */
1023 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true);
1024
1025 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL);
1026 if (!curr_conn_info)
1027 return;
1028
1029 curr_conn_info->conn_info = *conn_info;
1030
1031 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info);
1032
1033 if (prev_conn_info)
1034 kfree_rcu(prev_conn_info, rcu_head);
1035 }
1036
iwl_mvm_mei_rfkill(void * priv,bool blocked,bool csme_taking_ownership)1037 static void iwl_mvm_mei_rfkill(void *priv, bool blocked,
1038 bool csme_taking_ownership)
1039 {
1040 struct iwl_mvm *mvm = priv;
1041
1042 if (blocked && !csme_taking_ownership)
1043 return;
1044
1045 mvm->mei_rfkill_blocked = blocked;
1046 if (!mvm->hw_registered)
1047 return;
1048
1049 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
1050 mvm->mei_rfkill_blocked,
1051 RFKILL_HARD_BLOCK_NOT_OWNER);
1052 }
1053
iwl_mvm_mei_roaming_forbidden(void * priv,bool forbidden)1054 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden)
1055 {
1056 struct iwl_mvm *mvm = priv;
1057
1058 if (!mvm->hw_registered || !mvm->csme_vif)
1059 return;
1060
1061 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden);
1062 }
1063 #endif
1064
iwl_mvm_sap_connected_wk(struct work_struct * wk)1065 static void iwl_mvm_sap_connected_wk(struct work_struct *wk)
1066 {
1067 struct iwl_mvm *mvm =
1068 container_of(wk, struct iwl_mvm, sap_connected_wk);
1069 int ret;
1070
1071 ret = iwl_mvm_start_get_nvm(mvm);
1072 if (ret)
1073 goto out_free;
1074
1075 ret = iwl_mvm_start_post_nvm(mvm);
1076 if (ret)
1077 goto out_free;
1078
1079 return;
1080
1081 out_free:
1082 IWL_ERR(mvm, "Couldn't get started...\n");
1083 iwl_mei_start_unregister();
1084 iwl_mei_unregister_complete();
1085 iwl_fw_flush_dumps(&mvm->fwrt);
1086 iwl_mvm_thermal_exit(mvm);
1087 iwl_fw_runtime_free(&mvm->fwrt);
1088 iwl_phy_db_free(mvm->phy_db);
1089 kfree(mvm->scan_cmd);
1090 iwl_trans_op_mode_leave(mvm->trans);
1091 kfree(mvm->nvm_data);
1092 kfree(mvm->mei_nvm_data);
1093
1094 ieee80211_free_hw(mvm->hw);
1095 }
1096
1097 #if IS_ENABLED(CONFIG_IWLMEI)
iwl_mvm_mei_sap_connected(void * priv)1098 static void iwl_mvm_mei_sap_connected(void *priv)
1099 {
1100 struct iwl_mvm *mvm = priv;
1101
1102 if (!mvm->hw_registered)
1103 schedule_work(&mvm->sap_connected_wk);
1104 }
1105
iwl_mvm_mei_nic_stolen(void * priv)1106 static void iwl_mvm_mei_nic_stolen(void *priv)
1107 {
1108 struct iwl_mvm *mvm = priv;
1109
1110 rtnl_lock();
1111 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy);
1112 rtnl_unlock();
1113 }
1114
1115 static const struct iwl_mei_ops mei_ops = {
1116 .me_conn_status = iwl_mvm_me_conn_status,
1117 .rfkill = iwl_mvm_mei_rfkill,
1118 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden,
1119 .sap_connected = iwl_mvm_mei_sap_connected,
1120 .nic_stolen = iwl_mvm_mei_nic_stolen,
1121 };
1122 #endif
1123
1124 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)1125 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
1126 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
1127 {
1128 struct ieee80211_hw *hw;
1129 struct iwl_op_mode *op_mode;
1130 struct iwl_mvm *mvm;
1131 struct iwl_trans_config trans_cfg = {};
1132 static const u8 no_reclaim_cmds[] = {
1133 TX_CMD,
1134 };
1135 u32 max_agg;
1136 size_t scan_size;
1137 u32 min_backoff;
1138 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
1139
1140 /*
1141 * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station
1142 * index all over the driver - check that its value corresponds to the
1143 * array size.
1144 */
1145 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) !=
1146 IWL_MVM_STATION_COUNT_MAX);
1147
1148 /********************************
1149 * 1. Allocating and configuring HW data
1150 ********************************/
1151 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
1152 sizeof(struct iwl_mvm),
1153 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops :
1154 &iwl_mvm_hw_ops);
1155 if (!hw)
1156 return NULL;
1157
1158 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)
1159 max_agg = IEEE80211_MAX_AMPDU_BUF_EHT;
1160 else
1161 max_agg = IEEE80211_MAX_AMPDU_BUF_HE;
1162
1163 hw->max_rx_aggregation_subframes = max_agg;
1164
1165 if (cfg->max_tx_agg_size)
1166 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
1167 else
1168 hw->max_tx_aggregation_subframes = max_agg;
1169
1170 op_mode = hw->priv;
1171
1172 mvm = IWL_OP_MODE_GET_MVM(op_mode);
1173 mvm->dev = trans->dev;
1174 mvm->trans = trans;
1175 mvm->cfg = cfg;
1176 mvm->fw = fw;
1177 mvm->hw = hw;
1178
1179 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
1180 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir);
1181
1182 iwl_mvm_get_acpi_tables(mvm);
1183 iwl_uefi_get_sgom_table(trans, &mvm->fwrt);
1184 iwl_uefi_get_step_table(trans);
1185
1186 mvm->init_status = 0;
1187
1188 if (iwl_mvm_has_new_rx_api(mvm)) {
1189 op_mode->ops = &iwl_mvm_ops_mq;
1190 trans->rx_mpdu_cmd_hdr_size =
1191 (trans->trans_cfg->device_family >=
1192 IWL_DEVICE_FAMILY_AX210) ?
1193 sizeof(struct iwl_rx_mpdu_desc) :
1194 IWL_RX_DESC_SIZE_V1;
1195 } else {
1196 op_mode->ops = &iwl_mvm_ops;
1197 trans->rx_mpdu_cmd_hdr_size =
1198 sizeof(struct iwl_rx_mpdu_res_start);
1199
1200 if (WARN_ON(trans->num_rx_queues > 1))
1201 goto out_free;
1202 }
1203
1204 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
1205
1206 if (iwl_mvm_has_new_tx_api(mvm)) {
1207 /*
1208 * If we have the new TX/queue allocation API initialize them
1209 * all to invalid numbers. We'll rewrite the ones that we need
1210 * later, but that doesn't happen for all of them all of the
1211 * time (e.g. P2P Device is optional), and if a dynamic queue
1212 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then
1213 * iwl_mvm_is_static_queue() erroneously returns true, and we
1214 * might have things getting stuck.
1215 */
1216 mvm->aux_queue = IWL_MVM_INVALID_QUEUE;
1217 mvm->snif_queue = IWL_MVM_INVALID_QUEUE;
1218 mvm->probe_queue = IWL_MVM_INVALID_QUEUE;
1219 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE;
1220 } else {
1221 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
1222 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
1223 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
1224 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
1225 }
1226
1227 mvm->sf_state = SF_UNINIT;
1228 if (iwl_mvm_has_unified_ucode(mvm))
1229 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
1230 else
1231 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
1232 mvm->drop_bcn_ap_mode = true;
1233
1234 mutex_init(&mvm->mutex);
1235 spin_lock_init(&mvm->async_handlers_lock);
1236 INIT_LIST_HEAD(&mvm->time_event_list);
1237 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
1238 INIT_LIST_HEAD(&mvm->async_handlers_list);
1239 spin_lock_init(&mvm->time_event_lock);
1240 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
1241 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list);
1242 INIT_LIST_HEAD(&mvm->resp_pasn_list);
1243
1244 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
1245 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
1246 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk);
1247 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
1248 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
1249 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
1250 INIT_LIST_HEAD(&mvm->add_stream_txqs);
1251 spin_lock_init(&mvm->add_stream_lock);
1252
1253 init_waitqueue_head(&mvm->rx_sync_waitq);
1254
1255 mvm->queue_sync_state = 0;
1256
1257 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
1258
1259 spin_lock_init(&mvm->tcm.lock);
1260 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
1261 mvm->tcm.ts = jiffies;
1262 mvm->tcm.ll_ts = jiffies;
1263 mvm->tcm.uapsd_nonagg_ts = jiffies;
1264
1265 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
1266
1267 mvm->cmd_ver.range_resp =
1268 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP,
1269 TOF_RANGE_RESPONSE_NOTIF, 5);
1270 /* we only support up to version 9 */
1271 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9))
1272 goto out_free;
1273
1274 /*
1275 * Populate the state variables that the transport layer needs
1276 * to know about.
1277 */
1278 trans_cfg.op_mode = op_mode;
1279 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
1280 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
1281
1282 switch (iwlwifi_mod_params.amsdu_size) {
1283 case IWL_AMSDU_DEF:
1284 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
1285 break;
1286 case IWL_AMSDU_4K:
1287 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
1288 break;
1289 case IWL_AMSDU_8K:
1290 trans_cfg.rx_buf_size = IWL_AMSDU_8K;
1291 break;
1292 case IWL_AMSDU_12K:
1293 trans_cfg.rx_buf_size = IWL_AMSDU_12K;
1294 break;
1295 default:
1296 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
1297 iwlwifi_mod_params.amsdu_size);
1298 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
1299 }
1300
1301 trans->wide_cmd_header = true;
1302 trans_cfg.bc_table_dword =
1303 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;
1304
1305 trans_cfg.command_groups = iwl_mvm_groups;
1306 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
1307
1308 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
1309 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
1310 trans_cfg.scd_set_active = true;
1311
1312 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
1313 driver_data[2]);
1314
1315 /* Set a short watchdog for the command queue */
1316 trans_cfg.cmd_q_wdg_timeout =
1317 iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
1318
1319 snprintf(mvm->hw->wiphy->fw_version,
1320 sizeof(mvm->hw->wiphy->fw_version),
1321 "%s", fw->fw_version);
1322
1323 trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa,
1324 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);
1325
1326 trans_cfg.queue_alloc_cmd_ver =
1327 iwl_fw_lookup_cmd_ver(mvm->fw,
1328 WIDE_ID(DATA_PATH_GROUP,
1329 SCD_QUEUE_CONFIG_CMD),
1330 0);
1331 mvm->sta_remove_requires_queue_remove =
1332 trans_cfg.queue_alloc_cmd_ver > 0;
1333
1334 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw);
1335
1336 /* Configure transport layer */
1337 iwl_trans_configure(mvm->trans, &trans_cfg);
1338
1339 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
1340 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
1341 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
1342 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv,
1343 sizeof(trans->dbg.conf_tlv));
1344 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv;
1345
1346 trans->iml = mvm->fw->iml;
1347 trans->iml_len = mvm->fw->iml_len;
1348
1349 /* set up notification wait support */
1350 iwl_notification_wait_init(&mvm->notif_wait);
1351
1352 /* Init phy db */
1353 mvm->phy_db = iwl_phy_db_init(trans);
1354 if (!mvm->phy_db) {
1355 IWL_ERR(mvm, "Cannot init phy_db\n");
1356 goto out_free;
1357 }
1358
1359 IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
1360 mvm->trans->name, mvm->trans->hw_rev);
1361
1362 if (iwlwifi_mod_params.nvm_file)
1363 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
1364 else
1365 IWL_DEBUG_EEPROM(mvm->trans->dev,
1366 "working without external nvm file\n");
1367
1368 scan_size = iwl_mvm_scan_size(mvm);
1369
1370 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
1371 if (!mvm->scan_cmd)
1372 goto out_free;
1373 mvm->scan_cmd_size = scan_size;
1374
1375 /* invalidate ids to prevent accidental removal of sta_id 0 */
1376 mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA;
1377 mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA;
1378
1379 /* Set EBS as successful as long as not stated otherwise by the FW. */
1380 mvm->last_ebs_successful = true;
1381
1382 min_backoff = iwl_mvm_min_backoff(mvm);
1383 iwl_mvm_thermal_initialize(mvm, min_backoff);
1384
1385 if (!iwl_mvm_has_new_rx_stats_api(mvm))
1386 memset(&mvm->rx_stats_v3, 0,
1387 sizeof(struct mvm_statistics_rx_v3));
1388 else
1389 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
1390
1391 iwl_mvm_ftm_initiator_smooth_config(mvm);
1392
1393 iwl_mvm_init_time_sync(&mvm->time_sync);
1394
1395 mvm->debugfs_dir = dbgfs_dir;
1396
1397 #if IS_ENABLED(CONFIG_IWLMEI)
1398 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops);
1399 #else
1400 mvm->mei_registered = false;
1401 #endif
1402
1403 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter);
1404
1405 if (iwl_mvm_start_get_nvm(mvm)) {
1406 /*
1407 * Getting NVM failed while CSME is the owner, but we are
1408 * registered to MEI, we'll get the NVM later when it'll be
1409 * possible to get it from CSME.
1410 */
1411 if (trans->csme_own && mvm->mei_registered)
1412 return op_mode;
1413
1414 goto out_thermal_exit;
1415 }
1416
1417
1418 if (iwl_mvm_start_post_nvm(mvm))
1419 goto out_thermal_exit;
1420
1421 return op_mode;
1422
1423 out_thermal_exit:
1424 iwl_mvm_thermal_exit(mvm);
1425 if (mvm->mei_registered) {
1426 iwl_mei_start_unregister();
1427 iwl_mei_unregister_complete();
1428 }
1429 out_free:
1430 iwl_fw_flush_dumps(&mvm->fwrt);
1431 iwl_fw_runtime_free(&mvm->fwrt);
1432
1433 if (iwlmvm_mod_params.init_dbg)
1434 return op_mode;
1435 iwl_phy_db_free(mvm->phy_db);
1436 kfree(mvm->scan_cmd);
1437 iwl_trans_op_mode_leave(trans);
1438
1439 ieee80211_free_hw(mvm->hw);
1440 return NULL;
1441 }
1442
iwl_mvm_stop_device(struct iwl_mvm * mvm)1443 void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1444 {
1445 lockdep_assert_held(&mvm->mutex);
1446
1447 iwl_fw_cancel_timestamp(&mvm->fwrt);
1448
1449 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1450
1451 iwl_fw_dbg_stop_sync(&mvm->fwrt);
1452 iwl_trans_stop_device(mvm->trans);
1453 iwl_free_fw_paging(&mvm->fwrt);
1454 iwl_fw_dump_conf_clear(&mvm->fwrt);
1455 iwl_mvm_mei_device_state(mvm, false);
1456 }
1457
iwl_op_mode_mvm_stop(struct iwl_op_mode * op_mode)1458 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
1459 {
1460 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1461 int i;
1462
1463 if (mvm->mei_registered) {
1464 rtnl_lock();
1465 iwl_mei_set_netdev(NULL);
1466 rtnl_unlock();
1467 iwl_mei_start_unregister();
1468 }
1469
1470 /*
1471 * After we unregister from mei, the worker can't be scheduled
1472 * anymore.
1473 */
1474 cancel_work_sync(&mvm->sap_connected_wk);
1475
1476 iwl_mvm_leds_exit(mvm);
1477
1478 iwl_mvm_thermal_exit(mvm);
1479
1480 /*
1481 * If we couldn't get ownership on the device and we couldn't
1482 * get the NVM from CSME, we haven't registered to mac80211.
1483 * In that case, we didn't fail op_mode_start, because we are
1484 * waiting for CSME to allow us to get the NVM to register to
1485 * mac80211. If that didn't happen, we haven't registered to
1486 * mac80211, hence the if below.
1487 */
1488 if (mvm->hw_registered)
1489 ieee80211_unregister_hw(mvm->hw);
1490
1491 kfree(mvm->scan_cmd);
1492 kfree(mvm->mcast_filter_cmd);
1493 mvm->mcast_filter_cmd = NULL;
1494
1495 kfree(mvm->error_recovery_buf);
1496 mvm->error_recovery_buf = NULL;
1497
1498 iwl_mvm_ptp_remove(mvm);
1499
1500 iwl_trans_op_mode_leave(mvm->trans);
1501
1502 iwl_phy_db_free(mvm->phy_db);
1503 mvm->phy_db = NULL;
1504
1505 kfree(mvm->nvm_data);
1506 kfree(mvm->mei_nvm_data);
1507 kfree(rcu_access_pointer(mvm->csme_conn_info));
1508 kfree(mvm->temp_nvm_data);
1509 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
1510 kfree(mvm->nvm_sections[i].data);
1511
1512 cancel_delayed_work_sync(&mvm->tcm.work);
1513
1514 iwl_fw_runtime_free(&mvm->fwrt);
1515 mutex_destroy(&mvm->mutex);
1516
1517 if (mvm->mei_registered)
1518 iwl_mei_unregister_complete();
1519
1520 ieee80211_free_hw(mvm->hw);
1521 }
1522
1523 struct iwl_async_handler_entry {
1524 struct list_head list;
1525 struct iwl_rx_cmd_buffer rxb;
1526 enum iwl_rx_handler_context context;
1527 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1528 };
1529
iwl_mvm_async_handlers_purge(struct iwl_mvm * mvm)1530 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
1531 {
1532 struct iwl_async_handler_entry *entry, *tmp;
1533
1534 spin_lock_bh(&mvm->async_handlers_lock);
1535 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1536 iwl_free_rxb(&entry->rxb);
1537 list_del(&entry->list);
1538 kfree(entry);
1539 }
1540 spin_unlock_bh(&mvm->async_handlers_lock);
1541 }
1542
iwl_mvm_async_handlers_wk(struct work_struct * wk)1543 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
1544 {
1545 struct iwl_mvm *mvm =
1546 container_of(wk, struct iwl_mvm, async_handlers_wk);
1547 struct iwl_async_handler_entry *entry, *tmp;
1548 LIST_HEAD(local_list);
1549
1550 /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
1551
1552 /*
1553 * Sync with Rx path with a lock. Remove all the entries from this list,
1554 * add them to a local one (lock free), and then handle them.
1555 */
1556 spin_lock_bh(&mvm->async_handlers_lock);
1557 list_splice_init(&mvm->async_handlers_list, &local_list);
1558 spin_unlock_bh(&mvm->async_handlers_lock);
1559
1560 list_for_each_entry_safe(entry, tmp, &local_list, list) {
1561 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
1562 mutex_lock(&mvm->mutex);
1563 entry->fn(mvm, &entry->rxb);
1564 iwl_free_rxb(&entry->rxb);
1565 list_del(&entry->list);
1566 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
1567 mutex_unlock(&mvm->mutex);
1568 kfree(entry);
1569 }
1570 }
1571
iwl_mvm_rx_check_trigger(struct iwl_mvm * mvm,struct iwl_rx_packet * pkt)1572 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
1573 struct iwl_rx_packet *pkt)
1574 {
1575 struct iwl_fw_dbg_trigger_tlv *trig;
1576 struct iwl_fw_dbg_trigger_cmd *cmds_trig;
1577 int i;
1578
1579 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
1580 FW_DBG_TRIGGER_FW_NOTIF);
1581 if (!trig)
1582 return;
1583
1584 cmds_trig = (void *)trig->data;
1585
1586 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
1587 /* don't collect on CMD 0 */
1588 if (!cmds_trig->cmds[i].cmd_id)
1589 break;
1590
1591 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
1592 cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
1593 continue;
1594
1595 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
1596 "CMD 0x%02x.%02x received",
1597 pkt->hdr.group_id, pkt->hdr.cmd);
1598 break;
1599 }
1600 }
1601
iwl_mvm_rx_common(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb,struct iwl_rx_packet * pkt)1602 static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
1603 struct iwl_rx_cmd_buffer *rxb,
1604 struct iwl_rx_packet *pkt)
1605 {
1606 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
1607 int i;
1608 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
1609
1610 iwl_dbg_tlv_time_point(&mvm->fwrt,
1611 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
1612 iwl_mvm_rx_check_trigger(mvm, pkt);
1613
1614 /*
1615 * Do the notification wait before RX handlers so
1616 * even if the RX handler consumes the RXB we have
1617 * access to it in the notification wait entry.
1618 */
1619 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1620
1621 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1622 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1623 struct iwl_async_handler_entry *entry;
1624
1625 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1626 continue;
1627
1628 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size,
1629 "unexpected notification 0x%04x size %d, need %d\n",
1630 rx_h->cmd_id, pkt_len, rx_h->min_size))
1631 return;
1632
1633 if (rx_h->context == RX_HANDLER_SYNC) {
1634 rx_h->fn(mvm, rxb);
1635 return;
1636 }
1637
1638 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1639 /* we can't do much... */
1640 if (!entry)
1641 return;
1642
1643 entry->rxb._page = rxb_steal_page(rxb);
1644 entry->rxb._offset = rxb->_offset;
1645 entry->rxb._rx_page_order = rxb->_rx_page_order;
1646 entry->fn = rx_h->fn;
1647 entry->context = rx_h->context;
1648 spin_lock(&mvm->async_handlers_lock);
1649 list_add_tail(&entry->list, &mvm->async_handlers_list);
1650 spin_unlock(&mvm->async_handlers_lock);
1651 schedule_work(&mvm->async_handlers_wk);
1652 break;
1653 }
1654 }
1655
iwl_mvm_rx(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb)1656 static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1657 struct napi_struct *napi,
1658 struct iwl_rx_cmd_buffer *rxb)
1659 {
1660 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1661 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1662 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1663
1664 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1665 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1666 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1667 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1668 else
1669 iwl_mvm_rx_common(mvm, rxb, pkt);
1670 }
1671
iwl_mvm_rx_mq(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb)1672 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1673 struct napi_struct *napi,
1674 struct iwl_rx_cmd_buffer *rxb)
1675 {
1676 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1677 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1678 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1679
1680 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1681 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1682 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1683 RX_QUEUES_NOTIFICATION)))
1684 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
1685 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1686 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1687 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1688 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
1689 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1690 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1691 else
1692 iwl_mvm_rx_common(mvm, rxb, pkt);
1693 }
1694
iwl_mvm_async_cb(struct iwl_op_mode * op_mode,const struct iwl_device_cmd * cmd)1695 static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
1696 const struct iwl_device_cmd *cmd)
1697 {
1698 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1699
1700 /*
1701 * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
1702 * commands that need to block the Tx queues.
1703 */
1704 iwl_trans_block_txq_ptrs(mvm->trans, false);
1705 }
1706
iwl_mvm_is_static_queue(struct iwl_mvm * mvm,int queue)1707 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1708 {
1709 return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1710 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1711 }
1712
iwl_mvm_queue_state_change(struct iwl_op_mode * op_mode,int hw_queue,bool start)1713 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1714 int hw_queue, bool start)
1715 {
1716 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1717 struct ieee80211_sta *sta;
1718 struct ieee80211_txq *txq;
1719 struct iwl_mvm_txq *mvmtxq;
1720 int i;
1721 unsigned long tid_bitmap;
1722 struct iwl_mvm_sta *mvmsta;
1723 u8 sta_id;
1724
1725 sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1726 mvm->tvqm_info[hw_queue].sta_id :
1727 mvm->queue_info[hw_queue].ra_sta_id;
1728
1729 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations))
1730 return;
1731
1732 rcu_read_lock();
1733
1734 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1735 if (IS_ERR_OR_NULL(sta))
1736 goto out;
1737 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1738
1739 if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1740 if (!start)
1741 ieee80211_stop_queues(mvm->hw);
1742 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1743 ieee80211_wake_queues(mvm->hw);
1744
1745 goto out;
1746 }
1747
1748 if (iwl_mvm_has_new_tx_api(mvm)) {
1749 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1750
1751 tid_bitmap = BIT(tid);
1752 } else {
1753 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1754 }
1755
1756 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1757 int tid = i;
1758
1759 if (tid == IWL_MAX_TID_COUNT)
1760 tid = IEEE80211_NUM_TIDS;
1761
1762 txq = sta->txq[tid];
1763 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1764 if (start)
1765 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1766 else
1767 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1768
1769 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) {
1770 local_bh_disable();
1771 iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1772 local_bh_enable();
1773 }
1774 }
1775
1776 out:
1777 rcu_read_unlock();
1778 }
1779
iwl_mvm_stop_sw_queue(struct iwl_op_mode * op_mode,int hw_queue)1780 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1781 {
1782 iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1783 }
1784
iwl_mvm_wake_sw_queue(struct iwl_op_mode * op_mode,int hw_queue)1785 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1786 {
1787 iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1788 }
1789
iwl_mvm_set_rfkill_state(struct iwl_mvm * mvm)1790 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1791 {
1792 bool state = iwl_mvm_is_radio_killed(mvm);
1793
1794 if (state)
1795 wake_up(&mvm->rx_sync_waitq);
1796
1797 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
1798 }
1799
iwl_mvm_set_hw_ctkill_state(struct iwl_mvm * mvm,bool state)1800 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1801 {
1802 if (state)
1803 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1804 else
1805 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1806
1807 iwl_mvm_set_rfkill_state(mvm);
1808 }
1809
iwl_mvm_get_csme_conn_info(struct iwl_mvm * mvm)1810 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm)
1811 {
1812 return rcu_dereference_protected(mvm->csme_conn_info,
1813 lockdep_is_held(&mvm->mutex));
1814 }
1815
iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode * op_mode,bool state)1816 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1817 {
1818 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1819 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1820 bool unified = iwl_mvm_has_unified_ucode(mvm);
1821
1822 if (state)
1823 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1824 else
1825 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1826
1827 iwl_mvm_set_rfkill_state(mvm);
1828
1829 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */
1830 if (rfkill_safe_init_done)
1831 iwl_abort_notification_waits(&mvm->notif_wait);
1832
1833 /*
1834 * Don't ask the transport to stop the firmware. We'll do it
1835 * after cfg80211 takes us down.
1836 */
1837 if (unified)
1838 return false;
1839
1840 /*
1841 * Stop the device if we run OPERATIONAL firmware or if we are in the
1842 * middle of the calibrations.
1843 */
1844 return state && rfkill_safe_init_done;
1845 }
1846
iwl_mvm_free_skb(struct iwl_op_mode * op_mode,struct sk_buff * skb)1847 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1848 {
1849 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1850 struct ieee80211_tx_info *info;
1851
1852 info = IEEE80211_SKB_CB(skb);
1853 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1854 ieee80211_free_txskb(mvm->hw, skb);
1855 }
1856
1857 struct iwl_mvm_reprobe {
1858 struct device *dev;
1859 struct work_struct work;
1860 };
1861
iwl_mvm_reprobe_wk(struct work_struct * wk)1862 static void iwl_mvm_reprobe_wk(struct work_struct *wk)
1863 {
1864 struct iwl_mvm_reprobe *reprobe;
1865
1866 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
1867 if (device_reprobe(reprobe->dev))
1868 dev_err(reprobe->dev, "reprobe failed!\n");
1869 put_device(reprobe->dev);
1870 kfree(reprobe);
1871 module_put(THIS_MODULE);
1872 }
1873
iwl_mvm_nic_restart(struct iwl_mvm * mvm,bool fw_error)1874 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
1875 {
1876 iwl_abort_notification_waits(&mvm->notif_wait);
1877 iwl_dbg_tlv_del_timers(mvm->trans);
1878
1879 /*
1880 * This is a bit racy, but worst case we tell mac80211 about
1881 * a stopped/aborted scan when that was already done which
1882 * is not a problem. It is necessary to abort any os scan
1883 * here because mac80211 requires having the scan cleared
1884 * before restarting.
1885 * We'll reset the scan_status to NONE in restart cleanup in
1886 * the next start() call from mac80211. If restart isn't called
1887 * (no fw restart) scan status will stay busy.
1888 */
1889 iwl_mvm_report_scan_aborted(mvm);
1890
1891 /*
1892 * If we're restarting already, don't cycle restarts.
1893 * If INIT fw asserted, it will likely fail again.
1894 * If WoWLAN fw asserted, don't restart either, mac80211
1895 * can't recover this since we're already half suspended.
1896 */
1897 if (!mvm->fw_restart && fw_error) {
1898 iwl_fw_error_collect(&mvm->fwrt, false);
1899 } else if (test_bit(IWL_MVM_STATUS_STARTING,
1900 &mvm->status)) {
1901 IWL_ERR(mvm, "Starting mac, retry will be triggered anyway\n");
1902 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1903 struct iwl_mvm_reprobe *reprobe;
1904
1905 IWL_ERR(mvm,
1906 "Firmware error during reconfiguration - reprobe!\n");
1907
1908 /*
1909 * get a module reference to avoid doing this while unloading
1910 * anyway and to avoid scheduling a work with code that's
1911 * being removed.
1912 */
1913 if (!try_module_get(THIS_MODULE)) {
1914 IWL_ERR(mvm, "Module is being unloaded - abort\n");
1915 return;
1916 }
1917
1918 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
1919 if (!reprobe) {
1920 module_put(THIS_MODULE);
1921 return;
1922 }
1923 reprobe->dev = get_device(mvm->trans->dev);
1924 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
1925 schedule_work(&reprobe->work);
1926 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1927 &mvm->status)) {
1928 IWL_ERR(mvm, "HW restart already requested, but not started\n");
1929 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
1930 mvm->hw_registered &&
1931 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
1932 /* This should be first thing before trying to collect any
1933 * data to avoid endless loops if any HW error happens while
1934 * collecting debug data.
1935 */
1936 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1937
1938 if (mvm->fw->ucode_capa.error_log_size) {
1939 u32 src_size = mvm->fw->ucode_capa.error_log_size;
1940 u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
1941 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
1942
1943 if (recover_buf) {
1944 mvm->error_recovery_buf = recover_buf;
1945 iwl_trans_read_mem_bytes(mvm->trans,
1946 src_addr,
1947 recover_buf,
1948 src_size);
1949 }
1950 }
1951
1952 iwl_fw_error_collect(&mvm->fwrt, false);
1953
1954 if (fw_error && mvm->fw_restart > 0) {
1955 mvm->fw_restart--;
1956 ieee80211_restart_hw(mvm->hw);
1957 } else if (mvm->fwrt.trans->dbg.restart_required) {
1958 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n");
1959 mvm->fwrt.trans->dbg.restart_required = FALSE;
1960 ieee80211_restart_hw(mvm->hw);
1961 } else if (mvm->trans->trans_cfg->device_family <= IWL_DEVICE_FAMILY_8000) {
1962 ieee80211_restart_hw(mvm->hw);
1963 }
1964 }
1965 }
1966
iwl_mvm_nic_error(struct iwl_op_mode * op_mode,bool sync)1967 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync)
1968 {
1969 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1970
1971 if (mvm->pldr_sync)
1972 return;
1973
1974 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status) &&
1975 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE,
1976 &mvm->status))
1977 iwl_mvm_dump_nic_error_log(mvm);
1978
1979 if (sync) {
1980 iwl_fw_error_collect(&mvm->fwrt, true);
1981 /*
1982 * Currently, the only case for sync=true is during
1983 * shutdown, so just stop in this case. If/when that
1984 * changes, we need to be a bit smarter here.
1985 */
1986 return;
1987 }
1988
1989 /*
1990 * If the firmware crashes while we're already considering it
1991 * to be dead then don't ask for a restart, that cannot do
1992 * anything useful anyway.
1993 */
1994 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status))
1995 return;
1996
1997 iwl_mvm_nic_restart(mvm, false);
1998 }
1999
iwl_mvm_cmd_queue_full(struct iwl_op_mode * op_mode)2000 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
2001 {
2002 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2003
2004 WARN_ON(1);
2005 iwl_mvm_nic_restart(mvm, true);
2006 }
2007
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)2008 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode,
2009 enum iwl_fw_ini_time_point tp_id,
2010 union iwl_dbg_tlv_tp_data *tp_data)
2011 {
2012 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2013
2014 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data);
2015 }
2016
2017 #define IWL_MVM_COMMON_OPS \
2018 /* these could be differentiated */ \
2019 .async_cb = iwl_mvm_async_cb, \
2020 .queue_full = iwl_mvm_stop_sw_queue, \
2021 .queue_not_full = iwl_mvm_wake_sw_queue, \
2022 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
2023 .free_skb = iwl_mvm_free_skb, \
2024 .nic_error = iwl_mvm_nic_error, \
2025 .cmd_queue_full = iwl_mvm_cmd_queue_full, \
2026 .nic_config = iwl_mvm_nic_config, \
2027 /* as we only register one, these MUST be common! */ \
2028 .start = iwl_op_mode_mvm_start, \
2029 .stop = iwl_op_mode_mvm_stop, \
2030 .time_point = iwl_op_mode_mvm_time_point
2031
2032 static const struct iwl_op_mode_ops iwl_mvm_ops = {
2033 IWL_MVM_COMMON_OPS,
2034 .rx = iwl_mvm_rx,
2035 };
2036
iwl_mvm_rx_mq_rss(struct iwl_op_mode * op_mode,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb,unsigned int queue)2037 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
2038 struct napi_struct *napi,
2039 struct iwl_rx_cmd_buffer *rxb,
2040 unsigned int queue)
2041 {
2042 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2043 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2044 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
2045
2046 if (unlikely(queue >= mvm->trans->num_rx_queues))
2047 return;
2048
2049 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
2050 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
2051 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
2052 RX_QUEUES_NOTIFICATION)))
2053 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
2054 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
2055 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
2056 }
2057
2058 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
2059 IWL_MVM_COMMON_OPS,
2060 .rx = iwl_mvm_rx_mq,
2061 .rx_rss = iwl_mvm_rx_mq_rss,
2062 };
2063