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8e99ea8d JB |
1 | // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause |
2 | /* | |
3 | * Copyright (C) 2012-2014, 2018-2020 Intel Corporation | |
4 | * Copyright (C) 2013-2015 Intel Mobile Communications GmbH | |
5 | * Copyright (C) 2016-2017 Intel Deutschland GmbH | |
6 | */ | |
8ca151b5 | 7 | #include <linux/module.h> |
1bd3cbc1 | 8 | #include <linux/vmalloc.h> |
8ca151b5 JB |
9 | #include <net/mac80211.h> |
10 | ||
9fca9d5c | 11 | #include "fw/notif-wait.h" |
8ca151b5 JB |
12 | #include "iwl-trans.h" |
13 | #include "iwl-op-mode.h" | |
d962f9b1 | 14 | #include "fw/img.h" |
8ca151b5 JB |
15 | #include "iwl-debug.h" |
16 | #include "iwl-drv.h" | |
17 | #include "iwl-modparams.h" | |
18 | #include "mvm.h" | |
19 | #include "iwl-phy-db.h" | |
20 | #include "iwl-eeprom-parse.h" | |
21 | #include "iwl-csr.h" | |
22 | #include "iwl-io.h" | |
23 | #include "iwl-prph.h" | |
24 | #include "rs.h" | |
d172a5ef | 25 | #include "fw/api/scan.h" |
8ca151b5 | 26 | #include "time-event.h" |
39bdb17e | 27 | #include "fw-api.h" |
f2abcfa6 | 28 | #include "fw/acpi.h" |
8ca151b5 | 29 | |
8ca151b5 | 30 | #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" |
8ca151b5 | 31 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
8ca151b5 JB |
32 | MODULE_LICENSE("GPL"); |
33 | ||
34 | static const struct iwl_op_mode_ops iwl_mvm_ops; | |
0316d30e | 35 | static const struct iwl_op_mode_ops iwl_mvm_ops_mq; |
8ca151b5 JB |
36 | |
37 | struct iwl_mvm_mod_params iwlmvm_mod_params = { | |
38 | .power_scheme = IWL_POWER_SCHEME_BPS, | |
39 | /* rest of fields are 0 by default */ | |
40 | }; | |
41 | ||
2ef00c53 | 42 | module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444); |
8ca151b5 JB |
43 | MODULE_PARM_DESC(init_dbg, |
44 | "set to true to debug an ASSERT in INIT fw (default: false"); | |
2ef00c53 | 45 | module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444); |
8ca151b5 JB |
46 | MODULE_PARM_DESC(power_scheme, |
47 | "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); | |
48 | ||
49 | /* | |
50 | * module init and exit functions | |
51 | */ | |
52 | static int __init iwl_mvm_init(void) | |
53 | { | |
54 | int ret; | |
55 | ||
56 | ret = iwl_mvm_rate_control_register(); | |
57 | if (ret) { | |
58 | pr_err("Unable to register rate control algorithm: %d\n", ret); | |
59 | return ret; | |
60 | } | |
61 | ||
62 | ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); | |
9f66a397 | 63 | if (ret) |
8ca151b5 | 64 | pr_err("Unable to register MVM op_mode: %d\n", ret); |
8ca151b5 JB |
65 | |
66 | return ret; | |
67 | } | |
68 | module_init(iwl_mvm_init); | |
69 | ||
70 | static void __exit iwl_mvm_exit(void) | |
71 | { | |
72 | iwl_opmode_deregister("iwlmvm"); | |
73 | iwl_mvm_rate_control_unregister(); | |
74 | } | |
75 | module_exit(iwl_mvm_exit); | |
76 | ||
77 | static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) | |
78 | { | |
79 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
80 | u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; | |
81 | u32 reg_val = 0; | |
a0544272 MH |
82 | u32 phy_config = iwl_mvm_get_phy_config(mvm); |
83 | ||
84 | radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> | |
85 | FW_PHY_CFG_RADIO_TYPE_POS; | |
86 | radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> | |
87 | FW_PHY_CFG_RADIO_STEP_POS; | |
88 | radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> | |
89 | FW_PHY_CFG_RADIO_DASH_POS; | |
8ca151b5 JB |
90 | |
91 | /* SKU control */ | |
92 | reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) << | |
93 | CSR_HW_IF_CONFIG_REG_POS_MAC_STEP; | |
94 | reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) << | |
95 | CSR_HW_IF_CONFIG_REG_POS_MAC_DASH; | |
96 | ||
97 | /* radio configuration */ | |
98 | reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; | |
99 | reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; | |
100 | reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; | |
101 | ||
102 | WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & | |
103 | ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); | |
104 | ||
9b1fcc11 | 105 | /* |
6e584873 SS |
106 | * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC |
107 | * sampling, and shouldn't be set to any non-zero value. | |
108 | * The same is supposed to be true of the other HW, but unsetting | |
109 | * them (such as the 7260) causes automatic tests to fail on seemingly | |
110 | * unrelated errors. Need to further investigate this, but for now | |
111 | * we'll separate cases. | |
9b1fcc11 | 112 | */ |
286ca8eb | 113 | if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) |
9b1fcc11 | 114 | reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; |
8ca151b5 | 115 | |
e75bc5f3 | 116 | if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) |
2d8c2615 SM |
117 | reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG; |
118 | ||
e139dc4a LE |
119 | iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, |
120 | CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | | |
121 | CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP | | |
122 | CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | | |
123 | CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | | |
124 | CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | | |
125 | CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | | |
2d8c2615 SM |
126 | CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | |
127 | CSR_HW_IF_CONFIG_REG_D3_DEBUG, | |
e139dc4a | 128 | reg_val); |
8ca151b5 JB |
129 | |
130 | IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, | |
131 | radio_cfg_step, radio_cfg_dash); | |
132 | ||
133 | /* | |
134 | * W/A : NIC is stuck in a reset state after Early PCIe power off | |
135 | * (PCIe power is lost before PERST# is asserted), causing ME FW | |
136 | * to lose ownership and not being able to obtain it back. | |
137 | */ | |
95411d04 | 138 | if (!mvm->trans->cfg->apmg_not_supported) |
3073d8c0 EH |
139 | iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, |
140 | APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, | |
141 | ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); | |
8ca151b5 JB |
142 | } |
143 | ||
f7d6ef33 JB |
144 | static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm, |
145 | struct iwl_rx_cmd_buffer *rxb) | |
146 | { | |
147 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
148 | struct iwl_datapath_monitor_notif *notif = (void *)pkt->data; | |
149 | struct ieee80211_supported_band *sband; | |
150 | const struct ieee80211_sta_he_cap *he_cap; | |
151 | struct ieee80211_vif *vif; | |
152 | ||
153 | if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA)) | |
154 | return; | |
155 | ||
156 | vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id); | |
157 | if (!vif || vif->type != NL80211_IFTYPE_STATION) | |
158 | return; | |
159 | ||
160 | if (!vif->bss_conf.chandef.chan || | |
161 | vif->bss_conf.chandef.chan->band != NL80211_BAND_2GHZ || | |
162 | vif->bss_conf.chandef.width < NL80211_CHAN_WIDTH_40) | |
163 | return; | |
164 | ||
165 | if (!vif->bss_conf.assoc) | |
166 | return; | |
167 | ||
168 | /* this shouldn't happen *again*, ignore it */ | |
169 | if (mvm->cca_40mhz_workaround) | |
170 | return; | |
171 | ||
172 | /* | |
173 | * We'll decrement this on disconnect - so set to 2 since we'll | |
174 | * still have to disconnect from the current AP first. | |
175 | */ | |
176 | mvm->cca_40mhz_workaround = 2; | |
177 | ||
178 | /* | |
179 | * This capability manipulation isn't really ideal, but it's the | |
180 | * easiest choice - otherwise we'd have to do some major changes | |
181 | * in mac80211 to support this, which isn't worth it. This does | |
182 | * mean that userspace may have outdated information, but that's | |
183 | * actually not an issue at all. | |
184 | */ | |
185 | sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; | |
186 | ||
187 | WARN_ON(!sband->ht_cap.ht_supported); | |
188 | WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)); | |
189 | sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
190 | ||
191 | he_cap = ieee80211_get_he_iftype_cap(sband, | |
192 | ieee80211_vif_type_p2p(vif)); | |
193 | ||
194 | if (he_cap) { | |
195 | /* we know that ours is writable */ | |
196 | struct ieee80211_sta_he_cap *he = (void *)he_cap; | |
197 | ||
198 | WARN_ON(!he->has_he); | |
199 | WARN_ON(!(he->he_cap_elem.phy_cap_info[0] & | |
200 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)); | |
201 | he->he_cap_elem.phy_cap_info[0] &= | |
202 | ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; | |
203 | } | |
204 | ||
205 | ieee80211_disconnect(vif, true); | |
206 | } | |
207 | ||
2a7ce54c JB |
208 | void iwl_mvm_apply_fw_smps_request(struct ieee80211_vif *vif) |
209 | { | |
210 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
211 | struct iwl_mvm *mvm = mvmvif->mvm; | |
de34d1c1 | 212 | enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC; |
2a7ce54c | 213 | |
de34d1c1 JB |
214 | if (mvm->fw_static_smps_request && |
215 | vif->bss_conf.chandef.width == NL80211_CHAN_WIDTH_160 && | |
216 | vif->bss_conf.he_support) | |
217 | mode = IEEE80211_SMPS_STATIC; | |
218 | ||
219 | iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode); | |
2a7ce54c JB |
220 | } |
221 | ||
222 | static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac, | |
223 | struct ieee80211_vif *vif) | |
224 | { | |
225 | iwl_mvm_apply_fw_smps_request(vif); | |
226 | } | |
227 | ||
228 | static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm, | |
229 | struct iwl_rx_cmd_buffer *rxb) | |
230 | { | |
231 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
232 | struct iwl_thermal_dual_chain_request *req = (void *)pkt->data; | |
233 | ||
234 | /* | |
235 | * We could pass it to the iterator data, but also need to remember | |
236 | * it for new interfaces that are added while in this state. | |
237 | */ | |
238 | mvm->fw_static_smps_request = | |
239 | req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE); | |
240 | ieee80211_iterate_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | |
241 | iwl_mvm_intf_dual_chain_req, NULL); | |
242 | } | |
243 | ||
c9cb14a6 CRI |
244 | /** |
245 | * enum iwl_rx_handler_context context for Rx handler | |
246 | * @RX_HANDLER_SYNC : this means that it will be called in the Rx path | |
247 | * which can't acquire mvm->mutex. | |
248 | * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex | |
249 | * (and only in this case!), it should be set as ASYNC. In that case, | |
250 | * it will be called from a worker with mvm->mutex held. | |
251 | * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the | |
252 | * mutex itself, it will be called from a worker without mvm->mutex held. | |
253 | */ | |
254 | enum iwl_rx_handler_context { | |
255 | RX_HANDLER_SYNC, | |
256 | RX_HANDLER_ASYNC_LOCKED, | |
257 | RX_HANDLER_ASYNC_UNLOCKED, | |
258 | }; | |
259 | ||
260 | /** | |
261 | * struct iwl_rx_handlers handler for FW notification | |
262 | * @cmd_id: command id | |
263 | * @context: see &iwl_rx_handler_context | |
264 | * @fn: the function is called when notification is received | |
265 | */ | |
8ca151b5 | 266 | struct iwl_rx_handlers { |
afc857bc | 267 | u16 cmd_id, min_size; |
c9cb14a6 | 268 | enum iwl_rx_handler_context context; |
0416841d | 269 | void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); |
8ca151b5 JB |
270 | }; |
271 | ||
afc857bc JB |
272 | #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \ |
273 | { .cmd_id = _cmd_id, .fn = _fn, .context = _context, } | |
274 | #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \ | |
275 | { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, } | |
276 | #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \ | |
277 | { .cmd_id = _cmd_id, .fn = _fn, \ | |
278 | .context = _context, .min_size = sizeof(_struct), } | |
279 | #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \ | |
280 | { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \ | |
281 | .context = _context, .min_size = sizeof(_struct), } | |
8ca151b5 JB |
282 | |
283 | /* | |
284 | * Handlers for fw notifications | |
285 | * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME | |
286 | * This list should be in order of frequency for performance purposes. | |
287 | * | |
c9cb14a6 | 288 | * The handler can be one from three contexts, see &iwl_rx_handler_context |
8ca151b5 JB |
289 | */ |
290 | static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { | |
afc857bc JB |
291 | RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC, |
292 | struct iwl_mvm_tx_resp), | |
293 | RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC, | |
294 | struct iwl_mvm_ba_notif), | |
c9cb14a6 | 295 | |
84226ca1 | 296 | RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, |
afc857bc JB |
297 | iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC, |
298 | struct iwl_tlc_update_notif), | |
84226ca1 | 299 | |
c9cb14a6 | 300 | RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, |
afc857bc JB |
301 | RX_HANDLER_ASYNC_LOCKED, struct iwl_bt_coex_profile_notif), |
302 | RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, | |
303 | RX_HANDLER_ASYNC_LOCKED), | |
304 | RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, | |
305 | RX_HANDLER_ASYNC_LOCKED), | |
f421f9c3 | 306 | |
3af512d6 | 307 | RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, |
afc857bc JB |
308 | iwl_mvm_window_status_notif, RX_HANDLER_SYNC, |
309 | struct iwl_ba_window_status_notif), | |
3af512d6 | 310 | |
c9cb14a6 | 311 | RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, |
afc857bc | 312 | RX_HANDLER_SYNC, struct iwl_time_event_notif), |
fe959c7b | 313 | RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, |
afc857bc JB |
314 | iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC, |
315 | struct iwl_mvm_session_prot_notif), | |
c9cb14a6 | 316 | RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, |
afc857bc | 317 | RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif), |
497b49d2 | 318 | |
afc857bc JB |
319 | RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC, |
320 | struct iwl_mvm_eosp_notification), | |
3e56eadf | 321 | |
e5d74646 | 322 | RX_HANDLER(SCAN_ITERATION_COMPLETE, |
afc857bc JB |
323 | iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC, |
324 | struct iwl_lmac_scan_complete_notif), | |
35a000b7 | 325 | RX_HANDLER(SCAN_OFFLOAD_COMPLETE, |
c9cb14a6 | 326 | iwl_mvm_rx_lmac_scan_complete_notif, |
afc857bc JB |
327 | RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete), |
328 | RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION, | |
329 | iwl_mvm_rx_scan_match_found, | |
330 | RX_HANDLER_SYNC), | |
d2496221 | 331 | RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, |
afc857bc | 332 | RX_HANDLER_ASYNC_LOCKED, struct iwl_umac_scan_complete), |
ee9219b2 | 333 | RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, |
afc857bc JB |
334 | iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC, |
335 | struct iwl_umac_scan_iter_complete_notif), | |
497b49d2 | 336 | |
c9cb14a6 | 337 | RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, |
afc857bc | 338 | RX_HANDLER_SYNC, struct iwl_card_state_notif), |
8ca151b5 | 339 | |
d64048ed | 340 | RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, |
afc857bc | 341 | RX_HANDLER_SYNC, struct iwl_missed_beacons_notif), |
d64048ed | 342 | |
afc857bc JB |
343 | RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC, |
344 | struct iwl_error_resp), | |
175a70b7 | 345 | RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, |
afc857bc JB |
346 | iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC, |
347 | struct iwl_uapsd_misbehaving_ap_notif), | |
348 | RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, | |
349 | RX_HANDLER_ASYNC_LOCKED), | |
350 | RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, | |
351 | iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), | |
0a3b7119 | 352 | RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, |
afc857bc JB |
353 | iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC, |
354 | struct ct_kill_notif), | |
ea9af24d | 355 | |
1d3c3f63 | 356 | RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, |
afc857bc JB |
357 | RX_HANDLER_ASYNC_LOCKED, |
358 | struct iwl_tdls_channel_switch_notif), | |
c9cb14a6 | 359 | RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, |
afc857bc | 360 | RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1), |
b73f9a4a | 361 | RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, |
afc857bc JB |
362 | iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED, |
363 | struct iwl_ftm_responder_stats), | |
fc36ffda | 364 | |
afc857bc JB |
365 | RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, |
366 | iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), | |
367 | RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF, | |
368 | iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), | |
fc36ffda | 369 | |
bdccdb85 | 370 | RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, |
afc857bc JB |
371 | iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC, |
372 | struct iwl_mfu_assert_dump_notif), | |
0db056d3 | 373 | RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, |
afc857bc | 374 | iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC, |
fb3fac5f | 375 | struct iwl_stored_beacon_notif_v2), |
f92659a1 | 376 | RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, |
afc857bc JB |
377 | iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC, |
378 | struct iwl_mu_group_mgmt_notif), | |
65e25482 | 379 | RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, |
afc857bc JB |
380 | iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC, |
381 | struct iwl_mvm_pm_state_notification), | |
8a59d390 JB |
382 | RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF, |
383 | iwl_mvm_probe_resp_data_notif, | |
afc857bc JB |
384 | RX_HANDLER_ASYNC_LOCKED, |
385 | struct iwl_probe_resp_data_notif), | |
6905eb1c NE |
386 | RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF, |
387 | iwl_mvm_channel_switch_start_notif, | |
388 | RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif), | |
f7d6ef33 JB |
389 | RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF, |
390 | iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED, | |
391 | struct iwl_datapath_monitor_notif), | |
2a7ce54c JB |
392 | |
393 | RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST, | |
394 | iwl_mvm_rx_thermal_dual_chain_req, | |
395 | RX_HANDLER_ASYNC_LOCKED, | |
396 | struct iwl_thermal_dual_chain_request), | |
8ca151b5 JB |
397 | }; |
398 | #undef RX_HANDLER | |
1230b16b | 399 | #undef RX_HANDLER_GRP |
39bdb17e SD |
400 | |
401 | /* Please keep this array *SORTED* by hex value. | |
402 | * Access is done through binary search | |
403 | */ | |
404 | static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { | |
9422b978 | 405 | HCMD_NAME(UCODE_ALIVE_NTFY), |
39bdb17e SD |
406 | HCMD_NAME(REPLY_ERROR), |
407 | HCMD_NAME(ECHO_CMD), | |
408 | HCMD_NAME(INIT_COMPLETE_NOTIF), | |
409 | HCMD_NAME(PHY_CONTEXT_CMD), | |
410 | HCMD_NAME(DBG_CFG), | |
39bdb17e SD |
411 | HCMD_NAME(SCAN_CFG_CMD), |
412 | HCMD_NAME(SCAN_REQ_UMAC), | |
413 | HCMD_NAME(SCAN_ABORT_UMAC), | |
414 | HCMD_NAME(SCAN_COMPLETE_UMAC), | |
3af512d6 | 415 | HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), |
39bdb17e SD |
416 | HCMD_NAME(ADD_STA_KEY), |
417 | HCMD_NAME(ADD_STA), | |
418 | HCMD_NAME(REMOVE_STA), | |
419 | HCMD_NAME(FW_GET_ITEM_CMD), | |
420 | HCMD_NAME(TX_CMD), | |
421 | HCMD_NAME(SCD_QUEUE_CFG), | |
422 | HCMD_NAME(TXPATH_FLUSH), | |
423 | HCMD_NAME(MGMT_MCAST_KEY), | |
424 | HCMD_NAME(WEP_KEY), | |
425 | HCMD_NAME(SHARED_MEM_CFG), | |
426 | HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), | |
427 | HCMD_NAME(MAC_CONTEXT_CMD), | |
428 | HCMD_NAME(TIME_EVENT_CMD), | |
429 | HCMD_NAME(TIME_EVENT_NOTIFICATION), | |
430 | HCMD_NAME(BINDING_CONTEXT_CMD), | |
431 | HCMD_NAME(TIME_QUOTA_CMD), | |
432 | HCMD_NAME(NON_QOS_TX_COUNTER_CMD), | |
7089ae63 | 433 | HCMD_NAME(LEDS_CMD), |
39bdb17e SD |
434 | HCMD_NAME(LQ_CMD), |
435 | HCMD_NAME(FW_PAGING_BLOCK_CMD), | |
436 | HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), | |
437 | HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), | |
438 | HCMD_NAME(HOT_SPOT_CMD), | |
439 | HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), | |
39bdb17e SD |
440 | HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), |
441 | HCMD_NAME(BT_COEX_CI), | |
442 | HCMD_NAME(PHY_CONFIGURATION_CMD), | |
443 | HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), | |
176aa60b | 444 | HCMD_NAME(PHY_DB_CMD), |
39bdb17e SD |
445 | HCMD_NAME(SCAN_OFFLOAD_COMPLETE), |
446 | HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), | |
39bdb17e SD |
447 | HCMD_NAME(POWER_TABLE_CMD), |
448 | HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), | |
449 | HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), | |
450 | HCMD_NAME(DC2DC_CONFIG_CMD), | |
451 | HCMD_NAME(NVM_ACCESS_CMD), | |
39bdb17e SD |
452 | HCMD_NAME(BEACON_NOTIFICATION), |
453 | HCMD_NAME(BEACON_TEMPLATE_CMD), | |
454 | HCMD_NAME(TX_ANT_CONFIGURATION_CMD), | |
455 | HCMD_NAME(BT_CONFIG), | |
456 | HCMD_NAME(STATISTICS_CMD), | |
457 | HCMD_NAME(STATISTICS_NOTIFICATION), | |
458 | HCMD_NAME(EOSP_NOTIFICATION), | |
459 | HCMD_NAME(REDUCE_TX_POWER_CMD), | |
39bdb17e SD |
460 | HCMD_NAME(CARD_STATE_NOTIFICATION), |
461 | HCMD_NAME(MISSED_BEACONS_NOTIFICATION), | |
462 | HCMD_NAME(TDLS_CONFIG_CMD), | |
463 | HCMD_NAME(MAC_PM_POWER_TABLE), | |
464 | HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), | |
465 | HCMD_NAME(MFUART_LOAD_NOTIFICATION), | |
43413a97 | 466 | HCMD_NAME(RSS_CONFIG_CMD), |
39bdb17e SD |
467 | HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), |
468 | HCMD_NAME(REPLY_RX_PHY_CMD), | |
469 | HCMD_NAME(REPLY_RX_MPDU_CMD), | |
fe69b7d1 | 470 | HCMD_NAME(BAR_FRAME_RELEASE), |
3e73aa3b | 471 | HCMD_NAME(FRAME_RELEASE), |
39bdb17e SD |
472 | HCMD_NAME(BA_NOTIF), |
473 | HCMD_NAME(MCC_UPDATE_CMD), | |
474 | HCMD_NAME(MCC_CHUB_UPDATE_CMD), | |
475 | HCMD_NAME(MARKER_CMD), | |
39bdb17e SD |
476 | HCMD_NAME(BT_PROFILE_NOTIFICATION), |
477 | HCMD_NAME(BCAST_FILTER_CMD), | |
478 | HCMD_NAME(MCAST_FILTER_CMD), | |
479 | HCMD_NAME(REPLY_SF_CFG_CMD), | |
480 | HCMD_NAME(REPLY_BEACON_FILTERING_CMD), | |
481 | HCMD_NAME(D3_CONFIG_CMD), | |
482 | HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), | |
483 | HCMD_NAME(OFFLOADS_QUERY_CMD), | |
39bdb17e | 484 | HCMD_NAME(MATCH_FOUND_NOTIFICATION), |
39bdb17e SD |
485 | HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), |
486 | HCMD_NAME(WOWLAN_PATTERNS), | |
487 | HCMD_NAME(WOWLAN_CONFIGURATION), | |
488 | HCMD_NAME(WOWLAN_TSC_RSC_PARAM), | |
489 | HCMD_NAME(WOWLAN_TKIP_PARAM), | |
490 | HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), | |
491 | HCMD_NAME(WOWLAN_GET_STATUSES), | |
39bdb17e SD |
492 | HCMD_NAME(SCAN_ITERATION_COMPLETE), |
493 | HCMD_NAME(D0I3_END_CMD), | |
494 | HCMD_NAME(LTR_CONFIG), | |
60ced797 | 495 | HCMD_NAME(LDBG_CONFIG_CMD), |
8ca151b5 | 496 | }; |
39bdb17e | 497 | |
5b086414 GBA |
498 | /* Please keep this array *SORTED* by hex value. |
499 | * Access is done through binary search | |
500 | */ | |
501 | static const struct iwl_hcmd_names iwl_mvm_system_names[] = { | |
502 | HCMD_NAME(SHARED_MEM_CFG_CMD), | |
4399caaa | 503 | HCMD_NAME(INIT_EXTENDED_CFG_CMD), |
f130bb75 | 504 | HCMD_NAME(FW_ERROR_RECOVERY_CMD), |
5b086414 GBA |
505 | }; |
506 | ||
03098268 AE |
507 | /* Please keep this array *SORTED* by hex value. |
508 | * Access is done through binary search | |
509 | */ | |
510 | static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { | |
74a10252 | 511 | HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), |
fe959c7b EG |
512 | HCMD_NAME(SESSION_PROTECTION_CMD), |
513 | HCMD_NAME(SESSION_PROTECTION_NOTIF), | |
6905eb1c | 514 | HCMD_NAME(CHANNEL_SWITCH_START_NOTIF), |
03098268 AE |
515 | }; |
516 | ||
39bdb17e SD |
517 | /* Please keep this array *SORTED* by hex value. |
518 | * Access is done through binary search | |
519 | */ | |
520 | static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { | |
521 | HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), | |
5c89e7bc | 522 | HCMD_NAME(CTDP_CONFIG_CMD), |
c221daf2 | 523 | HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), |
523de6c8 | 524 | HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD), |
0a3b7119 | 525 | HCMD_NAME(CT_KILL_NOTIFICATION), |
39bdb17e SD |
526 | HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), |
527 | }; | |
528 | ||
e0d8fdec SS |
529 | /* Please keep this array *SORTED* by hex value. |
530 | * Access is done through binary search | |
531 | */ | |
532 | static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { | |
ddef2f98 | 533 | HCMD_NAME(DQA_ENABLE_CMD), |
e0d8fdec | 534 | HCMD_NAME(UPDATE_MU_GROUPS_CMD), |
94bb4481 | 535 | HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), |
514c3069 | 536 | HCMD_NAME(STA_HE_CTXT_CMD), |
8edbfaa1 | 537 | HCMD_NAME(RFH_QUEUE_CONFIG_CMD), |
f4056d71 | 538 | HCMD_NAME(TLC_MNG_CONFIG_CMD), |
5213e8a8 | 539 | HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), |
f7d6ef33 | 540 | HCMD_NAME(MONITOR_NOTIF), |
2a7ce54c | 541 | HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST), |
65e25482 | 542 | HCMD_NAME(STA_PM_NOTIF), |
f92659a1 | 543 | HCMD_NAME(MU_GROUP_MGMT_NOTIF), |
94bb4481 | 544 | HCMD_NAME(RX_QUEUES_NOTIFICATION), |
e0d8fdec SS |
545 | }; |
546 | ||
6c161980 JB |
547 | /* Please keep this array *SORTED* by hex value. |
548 | * Access is done through binary search | |
549 | */ | |
550 | static const struct iwl_hcmd_names iwl_mvm_location_names[] = { | |
551 | HCMD_NAME(TOF_RANGE_REQ_CMD), | |
552 | HCMD_NAME(TOF_CONFIG_CMD), | |
553 | HCMD_NAME(TOF_RANGE_ABORT_CMD), | |
554 | HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), | |
555 | HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), | |
556 | HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), | |
557 | HCMD_NAME(TOF_LC_NOTIF), | |
558 | HCMD_NAME(TOF_RESPONDER_STATS), | |
559 | HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), | |
560 | HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF), | |
561 | }; | |
562 | ||
0db056d3 SS |
563 | /* Please keep this array *SORTED* by hex value. |
564 | * Access is done through binary search | |
565 | */ | |
566 | static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { | |
567 | HCMD_NAME(STORED_BEACON_NTF), | |
568 | }; | |
569 | ||
1f370650 SS |
570 | /* Please keep this array *SORTED* by hex value. |
571 | * Access is done through binary search | |
572 | */ | |
573 | static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { | |
574 | HCMD_NAME(NVM_ACCESS_COMPLETE), | |
e9e1ba3d | 575 | HCMD_NAME(NVM_GET_INFO), |
28dd7ccd | 576 | HCMD_NAME(TAS_CONFIG), |
1f370650 SS |
577 | }; |
578 | ||
39bdb17e SD |
579 | static const struct iwl_hcmd_arr iwl_mvm_groups[] = { |
580 | [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), | |
581 | [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), | |
5b086414 | 582 | [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), |
03098268 | 583 | [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), |
39bdb17e | 584 | [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), |
e0d8fdec | 585 | [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), |
6c161980 | 586 | [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), |
0db056d3 | 587 | [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), |
1f370650 SS |
588 | [REGULATORY_AND_NVM_GROUP] = |
589 | HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), | |
39bdb17e SD |
590 | }; |
591 | ||
8ca151b5 JB |
592 | /* this forward declaration can avoid to export the function */ |
593 | static void iwl_mvm_async_handlers_wk(struct work_struct *wk); | |
594 | ||
f2abcfa6 | 595 | static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) |
0c0e2c71 | 596 | { |
f2abcfa6 LC |
597 | const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; |
598 | u64 dflt_pwr_limit; | |
0c0e2c71 | 599 | |
f2abcfa6 | 600 | if (!backoff) |
0c0e2c71 IY |
601 | return 0; |
602 | ||
f2abcfa6 | 603 | dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev); |
0c0e2c71 | 604 | |
f2abcfa6 LC |
605 | while (backoff->pwr) { |
606 | if (dflt_pwr_limit >= backoff->pwr) | |
607 | return backoff->backoff; | |
608 | ||
609 | backoff++; | |
0c0e2c71 IY |
610 | } |
611 | ||
612 | return 0; | |
613 | } | |
614 | ||
d3a108a4 AO |
615 | static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) |
616 | { | |
617 | struct iwl_mvm *mvm = | |
618 | container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); | |
619 | struct ieee80211_vif *tx_blocked_vif; | |
620 | struct iwl_mvm_vif *mvmvif; | |
621 | ||
622 | mutex_lock(&mvm->mutex); | |
623 | ||
624 | tx_blocked_vif = | |
625 | rcu_dereference_protected(mvm->csa_tx_blocked_vif, | |
626 | lockdep_is_held(&mvm->mutex)); | |
627 | ||
628 | if (!tx_blocked_vif) | |
629 | goto unlock; | |
630 | ||
631 | mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); | |
632 | iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); | |
633 | RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); | |
634 | unlock: | |
635 | mutex_unlock(&mvm->mutex); | |
636 | } | |
637 | ||
7174beb6 JB |
638 | static int iwl_mvm_fwrt_dump_start(void *ctx) |
639 | { | |
640 | struct iwl_mvm *mvm = ctx; | |
c7ab138e SM |
641 | |
642 | mutex_lock(&mvm->mutex); | |
7174beb6 | 643 | |
58d3bef4 | 644 | return 0; |
7174beb6 JB |
645 | } |
646 | ||
647 | static void iwl_mvm_fwrt_dump_end(void *ctx) | |
648 | { | |
649 | struct iwl_mvm *mvm = ctx; | |
650 | ||
c7ab138e | 651 | mutex_unlock(&mvm->mutex); |
7174beb6 JB |
652 | } |
653 | ||
8745f12a ST |
654 | static bool iwl_mvm_fwrt_fw_running(void *ctx) |
655 | { | |
656 | return iwl_mvm_firmware_running(ctx); | |
657 | } | |
658 | ||
d3f4b6de SM |
659 | static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) |
660 | { | |
661 | struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; | |
662 | int ret; | |
663 | ||
664 | mutex_lock(&mvm->mutex); | |
665 | ret = iwl_mvm_send_cmd(mvm, host_cmd); | |
666 | mutex_unlock(&mvm->mutex); | |
667 | ||
668 | return ret; | |
669 | } | |
670 | ||
971377e6 SM |
671 | static bool iwl_mvm_d3_debug_enable(void *ctx) |
672 | { | |
673 | return IWL_MVM_D3_DEBUG; | |
674 | } | |
675 | ||
7174beb6 JB |
676 | static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { |
677 | .dump_start = iwl_mvm_fwrt_dump_start, | |
678 | .dump_end = iwl_mvm_fwrt_dump_end, | |
8745f12a | 679 | .fw_running = iwl_mvm_fwrt_fw_running, |
d3f4b6de | 680 | .send_hcmd = iwl_mvm_fwrt_send_hcmd, |
971377e6 | 681 | .d3_debug_enable = iwl_mvm_d3_debug_enable, |
7174beb6 JB |
682 | }; |
683 | ||
aacee681 EG |
684 | static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm) |
685 | { | |
686 | int ret; | |
687 | ||
75ae663d | 688 | rtnl_lock(); |
aacee681 EG |
689 | mutex_lock(&mvm->mutex); |
690 | ||
691 | ret = iwl_run_init_mvm_ucode(mvm); | |
692 | ||
693 | if (ret && ret != -ERFKILL) | |
694 | iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); | |
eb09ae93 MK |
695 | if (!ret && iwl_mvm_is_lar_supported(mvm)) { |
696 | mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; | |
697 | ret = iwl_mvm_init_mcc(mvm); | |
698 | } | |
aacee681 EG |
699 | |
700 | if (!iwlmvm_mod_params.init_dbg || !ret) | |
701 | iwl_mvm_stop_device(mvm); | |
702 | ||
703 | mutex_unlock(&mvm->mutex); | |
eb09ae93 | 704 | rtnl_unlock(); |
aacee681 EG |
705 | |
706 | if (ret < 0) | |
707 | IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); | |
708 | ||
709 | return ret; | |
710 | } | |
711 | ||
13b5fa95 EG |
712 | static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm) |
713 | { | |
714 | int ret; | |
715 | ||
716 | iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); | |
717 | ||
718 | ret = iwl_mvm_mac_setup_register(mvm); | |
719 | if (ret) | |
720 | return ret; | |
721 | mvm->hw_registered = true; | |
722 | ||
723 | iwl_mvm_dbgfs_register(mvm); | |
724 | ||
725 | return 0; | |
726 | } | |
727 | ||
12d60c1e JB |
728 | struct iwl_mvm_frob_txf_data { |
729 | u8 *buf; | |
730 | size_t buflen; | |
731 | }; | |
732 | ||
733 | static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw, | |
734 | struct ieee80211_vif *vif, | |
735 | struct ieee80211_sta *sta, | |
736 | struct ieee80211_key_conf *key, | |
737 | void *data) | |
738 | { | |
739 | struct iwl_mvm_frob_txf_data *txf = data; | |
740 | u8 keylen, match, matchend; | |
741 | u8 *keydata; | |
742 | size_t i; | |
743 | ||
744 | switch (key->cipher) { | |
745 | case WLAN_CIPHER_SUITE_CCMP: | |
746 | keydata = key->key; | |
747 | keylen = key->keylen; | |
748 | break; | |
749 | case WLAN_CIPHER_SUITE_WEP40: | |
750 | case WLAN_CIPHER_SUITE_WEP104: | |
751 | case WLAN_CIPHER_SUITE_TKIP: | |
752 | /* | |
753 | * WEP has short keys which might show up in the payload, | |
754 | * and then you can deduce the key, so in this case just | |
755 | * remove all FIFO data. | |
756 | * For TKIP, we don't know the phase 2 keys here, so same. | |
757 | */ | |
758 | memset(txf->buf, 0xBB, txf->buflen); | |
759 | return; | |
760 | default: | |
761 | return; | |
762 | } | |
763 | ||
764 | /* scan for key material and clear it out */ | |
765 | match = 0; | |
766 | for (i = 0; i < txf->buflen; i++) { | |
767 | if (txf->buf[i] != keydata[match]) { | |
768 | match = 0; | |
769 | continue; | |
770 | } | |
771 | match++; | |
772 | if (match == keylen) { | |
773 | memset(txf->buf + i - keylen, 0xAA, keylen); | |
774 | match = 0; | |
775 | } | |
776 | } | |
777 | ||
778 | /* we're dealing with a FIFO, so check wrapped around data */ | |
779 | matchend = match; | |
780 | for (i = 0; match && i < keylen - match; i++) { | |
781 | if (txf->buf[i] != keydata[match]) | |
782 | break; | |
783 | match++; | |
784 | if (match == keylen) { | |
785 | memset(txf->buf, 0xAA, i + 1); | |
786 | memset(txf->buf + txf->buflen - matchend, 0xAA, | |
787 | matchend); | |
788 | break; | |
789 | } | |
790 | } | |
791 | } | |
792 | ||
793 | static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen) | |
794 | { | |
795 | struct iwl_mvm_frob_txf_data txf = { | |
796 | .buf = buf, | |
797 | .buflen = buflen, | |
798 | }; | |
799 | struct iwl_mvm *mvm = ctx; | |
800 | ||
801 | /* embedded key material exists only on old API */ | |
802 | if (iwl_mvm_has_new_tx_api(mvm)) | |
803 | return; | |
804 | ||
805 | rcu_read_lock(); | |
806 | ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf); | |
807 | rcu_read_unlock(); | |
808 | } | |
809 | ||
810 | static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len) | |
811 | { | |
812 | /* we only use wide headers for commands */ | |
813 | struct iwl_cmd_header_wide *hdr = hcmd; | |
814 | unsigned int frob_start = sizeof(*hdr), frob_end = 0; | |
815 | ||
816 | if (len < sizeof(hdr)) | |
817 | return; | |
818 | ||
819 | /* all the commands we care about are in LONG_GROUP */ | |
820 | if (hdr->group_id != LONG_GROUP) | |
821 | return; | |
822 | ||
823 | switch (hdr->cmd) { | |
824 | case WEP_KEY: | |
825 | case WOWLAN_TKIP_PARAM: | |
826 | case WOWLAN_KEK_KCK_MATERIAL: | |
827 | case ADD_STA_KEY: | |
828 | /* | |
829 | * blank out everything here, easier than dealing | |
830 | * with the various versions of the command | |
831 | */ | |
832 | frob_end = INT_MAX; | |
833 | break; | |
834 | case MGMT_MCAST_KEY: | |
835 | frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); | |
836 | BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) != | |
837 | offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); | |
838 | ||
839 | frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); | |
840 | BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) < | |
841 | offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); | |
842 | break; | |
843 | } | |
844 | ||
845 | if (frob_start >= frob_end) | |
846 | return; | |
847 | ||
848 | if (frob_end > len) | |
849 | frob_end = len; | |
850 | ||
851 | memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start); | |
852 | } | |
853 | ||
854 | static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen) | |
855 | { | |
856 | const struct iwl_dump_exclude *excl; | |
857 | struct iwl_mvm *mvm = ctx; | |
858 | int i; | |
859 | ||
860 | switch (mvm->fwrt.cur_fw_img) { | |
861 | case IWL_UCODE_INIT: | |
862 | default: | |
863 | /* not relevant */ | |
864 | return; | |
865 | case IWL_UCODE_REGULAR: | |
866 | case IWL_UCODE_REGULAR_USNIFFER: | |
867 | excl = mvm->fw->dump_excl; | |
868 | break; | |
869 | case IWL_UCODE_WOWLAN: | |
870 | excl = mvm->fw->dump_excl_wowlan; | |
871 | break; | |
872 | } | |
873 | ||
874 | BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) != | |
875 | sizeof(mvm->fw->dump_excl_wowlan)); | |
876 | ||
877 | for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) { | |
878 | u32 start, end; | |
879 | ||
880 | if (!excl[i].addr || !excl[i].size) | |
881 | continue; | |
882 | ||
883 | start = excl[i].addr; | |
884 | end = start + excl[i].size; | |
885 | ||
886 | if (end <= mem_addr || start >= mem_addr + buflen) | |
887 | continue; | |
888 | ||
889 | if (start < mem_addr) | |
890 | start = mem_addr; | |
891 | ||
892 | if (end > mem_addr + buflen) | |
893 | end = mem_addr + buflen; | |
894 | ||
895 | memset((u8 *)mem + start - mem_addr, 0xAA, end - start); | |
896 | } | |
897 | } | |
898 | ||
899 | static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = { | |
900 | .frob_txf = iwl_mvm_frob_txf, | |
901 | .frob_hcmd = iwl_mvm_frob_hcmd, | |
902 | .frob_mem = iwl_mvm_frob_mem, | |
903 | }; | |
904 | ||
8ca151b5 JB |
905 | static struct iwl_op_mode * |
906 | iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, | |
907 | const struct iwl_fw *fw, struct dentry *dbgfs_dir) | |
908 | { | |
909 | struct ieee80211_hw *hw; | |
910 | struct iwl_op_mode *op_mode; | |
911 | struct iwl_mvm *mvm; | |
912 | struct iwl_trans_config trans_cfg = {}; | |
913 | static const u8 no_reclaim_cmds[] = { | |
914 | TX_CMD, | |
915 | }; | |
916 | int err, scan_size; | |
0c0e2c71 | 917 | u32 min_backoff; |
034925cb | 918 | enum iwl_amsdu_size rb_size_default; |
8ca151b5 | 919 | |
c4d83271 | 920 | /* |
be9ae34e | 921 | * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station |
c4d83271 EG |
922 | * index all over the driver - check that its value corresponds to the |
923 | * array size. | |
924 | */ | |
be9ae34e NE |
925 | BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != |
926 | IWL_MVM_STATION_COUNT_MAX); | |
c4d83271 | 927 | |
8ca151b5 JB |
928 | /******************************** |
929 | * 1. Allocating and configuring HW data | |
930 | ********************************/ | |
931 | hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + | |
932 | sizeof(struct iwl_mvm), | |
933 | &iwl_mvm_hw_ops); | |
934 | if (!hw) | |
935 | return NULL; | |
936 | ||
49b7b35c | 937 | hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; |
745160ee | 938 | |
77d96730 GG |
939 | if (cfg->max_tx_agg_size) |
940 | hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; | |
1eda295f JB |
941 | else |
942 | hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; | |
77d96730 | 943 | |
8ca151b5 | 944 | op_mode = hw->priv; |
8ca151b5 JB |
945 | |
946 | mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
947 | mvm->dev = trans->dev; | |
948 | mvm->trans = trans; | |
949 | mvm->cfg = cfg; | |
950 | mvm->fw = fw; | |
951 | mvm->hw = hw; | |
952 | ||
93b167c1 | 953 | iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, |
12d60c1e | 954 | &iwl_mvm_sanitize_ops, mvm, dbgfs_dir); |
235acb18 | 955 | |
78a19d52 MK |
956 | iwl_mvm_get_acpi_tables(mvm); |
957 | ||
de8ba41b LK |
958 | mvm->init_status = 0; |
959 | ||
0316d30e JB |
960 | if (iwl_mvm_has_new_rx_api(mvm)) { |
961 | op_mode->ops = &iwl_mvm_ops_mq; | |
18ead597 | 962 | trans->rx_mpdu_cmd_hdr_size = |
286ca8eb | 963 | (trans->trans_cfg->device_family >= |
3681021f | 964 | IWL_DEVICE_FAMILY_AX210) ? |
18ead597 GBA |
965 | sizeof(struct iwl_rx_mpdu_desc) : |
966 | IWL_RX_DESC_SIZE_V1; | |
0316d30e JB |
967 | } else { |
968 | op_mode->ops = &iwl_mvm_ops; | |
25c2b22c SS |
969 | trans->rx_mpdu_cmd_hdr_size = |
970 | sizeof(struct iwl_rx_mpdu_res_start); | |
0316d30e JB |
971 | |
972 | if (WARN_ON(trans->num_rx_queues > 1)) | |
973 | goto out_free; | |
974 | } | |
975 | ||
3b37f4c9 | 976 | mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0; |
291aa7c4 | 977 | |
c6ce1c74 JB |
978 | if (iwl_mvm_has_new_tx_api(mvm)) { |
979 | /* | |
980 | * If we have the new TX/queue allocation API initialize them | |
981 | * all to invalid numbers. We'll rewrite the ones that we need | |
982 | * later, but that doesn't happen for all of them all of the | |
983 | * time (e.g. P2P Device is optional), and if a dynamic queue | |
984 | * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then | |
985 | * iwl_mvm_is_static_queue() erroneously returns true, and we | |
986 | * might have things getting stuck. | |
987 | */ | |
988 | mvm->aux_queue = IWL_MVM_INVALID_QUEUE; | |
989 | mvm->snif_queue = IWL_MVM_INVALID_QUEUE; | |
990 | mvm->probe_queue = IWL_MVM_INVALID_QUEUE; | |
991 | mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE; | |
992 | } else { | |
993 | mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; | |
994 | mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; | |
995 | mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; | |
996 | mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; | |
997 | } | |
c8f54701 | 998 | |
1f3b0ff8 | 999 | mvm->sf_state = SF_UNINIT; |
7d6222e2 | 1000 | if (iwl_mvm_has_unified_ucode(mvm)) |
702e975d | 1001 | iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); |
1f370650 | 1002 | else |
702e975d | 1003 | iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); |
c89e333d | 1004 | mvm->drop_bcn_ap_mode = true; |
19e737c9 | 1005 | |
8ca151b5 JB |
1006 | mutex_init(&mvm->mutex); |
1007 | spin_lock_init(&mvm->async_handlers_lock); | |
1008 | INIT_LIST_HEAD(&mvm->time_event_list); | |
b112889c | 1009 | INIT_LIST_HEAD(&mvm->aux_roc_te_list); |
8ca151b5 JB |
1010 | INIT_LIST_HEAD(&mvm->async_handlers_list); |
1011 | spin_lock_init(&mvm->time_event_lock); | |
fc36ffda | 1012 | INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); |
0739a7d7 | 1013 | INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list); |
be82ecd3 | 1014 | INIT_LIST_HEAD(&mvm->resp_pasn_list); |
8ca151b5 JB |
1015 | |
1016 | INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); | |
1017 | INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); | |
1d3c3f63 | 1018 | INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); |
69e04642 | 1019 | INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); |
24afba76 | 1020 | INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); |
cfbc6c4c | 1021 | INIT_LIST_HEAD(&mvm->add_stream_txqs); |
8ca151b5 | 1022 | |
3a732c65 | 1023 | init_waitqueue_head(&mvm->rx_sync_waitq); |
b2492501 | 1024 | |
2f7a04c7 | 1025 | mvm->queue_sync_state = 0; |
0636b938 | 1026 | |
8ca151b5 JB |
1027 | SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); |
1028 | ||
7d9d0d56 LC |
1029 | spin_lock_init(&mvm->tcm.lock); |
1030 | INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); | |
1031 | mvm->tcm.ts = jiffies; | |
1032 | mvm->tcm.ll_ts = jiffies; | |
1033 | mvm->tcm.uapsd_nonagg_ts = jiffies; | |
1034 | ||
d3a108a4 AO |
1035 | INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); |
1036 | ||
d3b4dc01 | 1037 | mvm->cmd_ver.d0i3_resp = |
4af11950 MG |
1038 | iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, D0I3_END_CMD, |
1039 | 0); | |
d3b4dc01 HD |
1040 | /* we only support version 1 */ |
1041 | if (WARN_ON_ONCE(mvm->cmd_ver.d0i3_resp > 1)) | |
1042 | goto out_free; | |
1043 | ||
1c096d89 AS |
1044 | mvm->cmd_ver.range_resp = |
1045 | iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP, | |
1046 | TOF_RANGE_RESPONSE_NOTIF, 5); | |
bd8b5f30 MK |
1047 | /* we only support up to version 9 */ |
1048 | if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9)) | |
1c096d89 AS |
1049 | goto out_free; |
1050 | ||
8ca151b5 JB |
1051 | /* |
1052 | * Populate the state variables that the transport layer needs | |
1053 | * to know about. | |
1054 | */ | |
1055 | trans_cfg.op_mode = op_mode; | |
1056 | trans_cfg.no_reclaim_cmds = no_reclaim_cmds; | |
1057 | trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); | |
034925cb | 1058 | |
3681021f | 1059 | if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) |
034925cb ST |
1060 | rb_size_default = IWL_AMSDU_2K; |
1061 | else | |
1062 | rb_size_default = IWL_AMSDU_4K; | |
1063 | ||
6c4fbcbc | 1064 | switch (iwlwifi_mod_params.amsdu_size) { |
4bdd4dfe | 1065 | case IWL_AMSDU_DEF: |
034925cb ST |
1066 | trans_cfg.rx_buf_size = rb_size_default; |
1067 | break; | |
6c4fbcbc EG |
1068 | case IWL_AMSDU_4K: |
1069 | trans_cfg.rx_buf_size = IWL_AMSDU_4K; | |
1070 | break; | |
1071 | case IWL_AMSDU_8K: | |
1072 | trans_cfg.rx_buf_size = IWL_AMSDU_8K; | |
1073 | break; | |
1074 | case IWL_AMSDU_12K: | |
1075 | trans_cfg.rx_buf_size = IWL_AMSDU_12K; | |
1076 | break; | |
1077 | default: | |
1078 | pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME, | |
1079 | iwlwifi_mod_params.amsdu_size); | |
034925cb | 1080 | trans_cfg.rx_buf_size = rb_size_default; |
6c4fbcbc | 1081 | } |
4bdd4dfe | 1082 | |
b7d96bca | 1083 | trans->wide_cmd_header = true; |
2a182fbb | 1084 | trans_cfg.bc_table_dword = |
3681021f | 1085 | mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210; |
8ca151b5 | 1086 | |
39bdb17e SD |
1087 | trans_cfg.command_groups = iwl_mvm_groups; |
1088 | trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); | |
8ca151b5 | 1089 | |
c8f54701 | 1090 | trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; |
b2d81db7 | 1091 | trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; |
3a736bcb | 1092 | trans_cfg.scd_set_active = true; |
8ca151b5 | 1093 | |
21cb3222 JB |
1094 | trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, |
1095 | driver_data[2]); | |
1096 | ||
4cf677fd EG |
1097 | /* Set a short watchdog for the command queue */ |
1098 | trans_cfg.cmd_q_wdg_timeout = | |
5d42e7b2 | 1099 | iwl_mvm_get_wd_timeout(mvm, NULL, false, true); |
4cf677fd | 1100 | |
8ca151b5 JB |
1101 | snprintf(mvm->hw->wiphy->fw_version, |
1102 | sizeof(mvm->hw->wiphy->fw_version), | |
1103 | "%s", fw->fw_version); | |
1104 | ||
906d4eb8 JB |
1105 | trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa, |
1106 | IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE); | |
1107 | ||
8ca151b5 JB |
1108 | /* Configure transport layer */ |
1109 | iwl_trans_configure(mvm->trans, &trans_cfg); | |
1110 | ||
1111 | trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; | |
91c28b83 SM |
1112 | trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv; |
1113 | trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg; | |
1114 | memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv, | |
1115 | sizeof(trans->dbg.conf_tlv)); | |
1116 | trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv; | |
8ca151b5 | 1117 | |
132db31c GBA |
1118 | trans->iml = mvm->fw->iml; |
1119 | trans->iml_len = mvm->fw->iml_len; | |
1120 | ||
8ca151b5 JB |
1121 | /* set up notification wait support */ |
1122 | iwl_notification_wait_init(&mvm->notif_wait); | |
1123 | ||
1124 | /* Init phy db */ | |
1125 | mvm->phy_db = iwl_phy_db_init(trans); | |
1126 | if (!mvm->phy_db) { | |
1127 | IWL_ERR(mvm, "Cannot init phy_db\n"); | |
1128 | goto out_free; | |
1129 | } | |
1130 | ||
1131 | IWL_INFO(mvm, "Detected %s, REV=0x%X\n", | |
0b295a1e | 1132 | mvm->trans->name, mvm->trans->hw_rev); |
8ca151b5 | 1133 | |
4fb06283 | 1134 | if (iwlwifi_mod_params.nvm_file) |
e02a9d60 | 1135 | mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; |
4fb06283 EH |
1136 | else |
1137 | IWL_DEBUG_EEPROM(mvm->trans->dev, | |
1138 | "working without external nvm file\n"); | |
9ee718aa | 1139 | |
56f2929b SS |
1140 | err = iwl_trans_start_hw(mvm->trans); |
1141 | if (err) | |
14b485f0 EH |
1142 | goto out_free; |
1143 | ||
d2496221 | 1144 | scan_size = iwl_mvm_scan_size(mvm); |
fb98be5e | 1145 | |
8ca151b5 JB |
1146 | mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); |
1147 | if (!mvm->scan_cmd) | |
1148 | goto out_free; | |
1149 | ||
e223e42a GG |
1150 | /* invalidate ids to prevent accidental removal of sta_id 0 */ |
1151 | mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA; | |
1152 | mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA; | |
1153 | ||
5a4b2afa HD |
1154 | /* Set EBS as successful as long as not stated otherwise by the FW. */ |
1155 | mvm->last_ebs_successful = true; | |
1156 | ||
f2abcfa6 | 1157 | min_backoff = iwl_mvm_min_backoff(mvm); |
04ddc2aa CRI |
1158 | iwl_mvm_thermal_initialize(mvm, min_backoff); |
1159 | ||
678d9b6d LK |
1160 | if (!iwl_mvm_has_new_rx_stats_api(mvm)) |
1161 | memset(&mvm->rx_stats_v3, 0, | |
1162 | sizeof(struct mvm_statistics_rx_v3)); | |
1163 | else | |
1164 | memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); | |
3848ab66 | 1165 | |
13b5fa95 | 1166 | mvm->debugfs_dir = dbgfs_dir; |
656fca00 | 1167 | |
13b5fa95 | 1168 | if (iwl_mvm_start_get_nvm(mvm)) |
46ad1ff9 | 1169 | goto out_thermal_exit; |
46ad1ff9 | 1170 | |
13b5fa95 EG |
1171 | if (iwl_mvm_start_post_nvm(mvm)) |
1172 | goto out_thermal_exit; | |
46ad1ff9 | 1173 | |
8ca151b5 JB |
1174 | return op_mode; |
1175 | ||
46ad1ff9 EG |
1176 | out_thermal_exit: |
1177 | iwl_mvm_thermal_exit(mvm); | |
8ca151b5 | 1178 | out_free: |
c7ab138e | 1179 | iwl_fw_flush_dumps(&mvm->fwrt); |
54f3f994 | 1180 | iwl_fw_runtime_free(&mvm->fwrt); |
de8ba41b LK |
1181 | |
1182 | if (iwlmvm_mod_params.init_dbg) | |
1183 | return op_mode; | |
8ca151b5 JB |
1184 | iwl_phy_db_free(mvm->phy_db); |
1185 | kfree(mvm->scan_cmd); | |
56f2929b SS |
1186 | iwl_trans_op_mode_leave(trans); |
1187 | ||
8ca151b5 JB |
1188 | ieee80211_free_hw(mvm->hw); |
1189 | return NULL; | |
1190 | } | |
1191 | ||
cf5b4627 JB |
1192 | void iwl_mvm_stop_device(struct iwl_mvm *mvm) |
1193 | { | |
1194 | lockdep_assert_held(&mvm->mutex); | |
1195 | ||
1196 | iwl_fw_cancel_timestamp(&mvm->fwrt); | |
1197 | ||
1198 | clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); | |
1199 | ||
1200 | iwl_fw_dbg_stop_sync(&mvm->fwrt); | |
1201 | iwl_trans_stop_device(mvm->trans); | |
1202 | iwl_free_fw_paging(&mvm->fwrt); | |
1203 | iwl_fw_dump_conf_clear(&mvm->fwrt); | |
1204 | } | |
1205 | ||
8ca151b5 JB |
1206 | static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) |
1207 | { | |
1208 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
1209 | int i; | |
1210 | ||
1211 | iwl_mvm_leds_exit(mvm); | |
1212 | ||
c221daf2 | 1213 | iwl_mvm_thermal_exit(mvm); |
9ee718aa | 1214 | |
cad7eb75 | 1215 | ieee80211_unregister_hw(mvm->hw); |
8ca151b5 JB |
1216 | |
1217 | kfree(mvm->scan_cmd); | |
e59647ea EP |
1218 | kfree(mvm->mcast_filter_cmd); |
1219 | mvm->mcast_filter_cmd = NULL; | |
8ca151b5 | 1220 | |
f130bb75 MG |
1221 | kfree(mvm->error_recovery_buf); |
1222 | mvm->error_recovery_buf = NULL; | |
1223 | ||
a4082843 | 1224 | iwl_trans_op_mode_leave(mvm->trans); |
8ca151b5 JB |
1225 | |
1226 | iwl_phy_db_free(mvm->phy_db); | |
1227 | mvm->phy_db = NULL; | |
1228 | ||
1dad3e0a | 1229 | kfree(mvm->nvm_data); |
ae2b21b0 | 1230 | for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) |
8ca151b5 JB |
1231 | kfree(mvm->nvm_sections[i].data); |
1232 | ||
7d9d0d56 LC |
1233 | cancel_delayed_work_sync(&mvm->tcm.work); |
1234 | ||
54f3f994 | 1235 | iwl_fw_runtime_free(&mvm->fwrt); |
a2a57a35 | 1236 | mutex_destroy(&mvm->mutex); |
a2a57a35 | 1237 | |
8ca151b5 JB |
1238 | ieee80211_free_hw(mvm->hw); |
1239 | } | |
1240 | ||
1241 | struct iwl_async_handler_entry { | |
1242 | struct list_head list; | |
1243 | struct iwl_rx_cmd_buffer rxb; | |
c9cb14a6 | 1244 | enum iwl_rx_handler_context context; |
0416841d | 1245 | void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); |
8ca151b5 JB |
1246 | }; |
1247 | ||
1248 | void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) | |
1249 | { | |
1250 | struct iwl_async_handler_entry *entry, *tmp; | |
1251 | ||
1252 | spin_lock_bh(&mvm->async_handlers_lock); | |
1253 | list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { | |
1254 | iwl_free_rxb(&entry->rxb); | |
1255 | list_del(&entry->list); | |
1256 | kfree(entry); | |
1257 | } | |
1258 | spin_unlock_bh(&mvm->async_handlers_lock); | |
1259 | } | |
1260 | ||
1261 | static void iwl_mvm_async_handlers_wk(struct work_struct *wk) | |
1262 | { | |
1263 | struct iwl_mvm *mvm = | |
1264 | container_of(wk, struct iwl_mvm, async_handlers_wk); | |
1265 | struct iwl_async_handler_entry *entry, *tmp; | |
8098203f | 1266 | LIST_HEAD(local_list); |
8ca151b5 JB |
1267 | |
1268 | /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */ | |
8ca151b5 JB |
1269 | |
1270 | /* | |
1271 | * Sync with Rx path with a lock. Remove all the entries from this list, | |
1272 | * add them to a local one (lock free), and then handle them. | |
1273 | */ | |
1274 | spin_lock_bh(&mvm->async_handlers_lock); | |
1275 | list_splice_init(&mvm->async_handlers_list, &local_list); | |
1276 | spin_unlock_bh(&mvm->async_handlers_lock); | |
1277 | ||
1278 | list_for_each_entry_safe(entry, tmp, &local_list, list) { | |
c9cb14a6 CRI |
1279 | if (entry->context == RX_HANDLER_ASYNC_LOCKED) |
1280 | mutex_lock(&mvm->mutex); | |
0416841d | 1281 | entry->fn(mvm, &entry->rxb); |
8ca151b5 JB |
1282 | iwl_free_rxb(&entry->rxb); |
1283 | list_del(&entry->list); | |
c9cb14a6 CRI |
1284 | if (entry->context == RX_HANDLER_ASYNC_LOCKED) |
1285 | mutex_unlock(&mvm->mutex); | |
8ca151b5 JB |
1286 | kfree(entry); |
1287 | } | |
8ca151b5 JB |
1288 | } |
1289 | ||
917f39bb EG |
1290 | static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, |
1291 | struct iwl_rx_packet *pkt) | |
1292 | { | |
1293 | struct iwl_fw_dbg_trigger_tlv *trig; | |
1294 | struct iwl_fw_dbg_trigger_cmd *cmds_trig; | |
917f39bb EG |
1295 | int i; |
1296 | ||
6c042d75 SS |
1297 | trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, |
1298 | FW_DBG_TRIGGER_FW_NOTIF); | |
1299 | if (!trig) | |
917f39bb EG |
1300 | return; |
1301 | ||
917f39bb EG |
1302 | cmds_trig = (void *)trig->data; |
1303 | ||
917f39bb EG |
1304 | for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { |
1305 | /* don't collect on CMD 0 */ | |
1306 | if (!cmds_trig->cmds[i].cmd_id) | |
1307 | break; | |
1308 | ||
0ab66e6d SS |
1309 | if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || |
1310 | cmds_trig->cmds[i].group_id != pkt->hdr.group_id) | |
917f39bb EG |
1311 | continue; |
1312 | ||
7174beb6 JB |
1313 | iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, |
1314 | "CMD 0x%02x.%02x received", | |
1315 | pkt->hdr.group_id, pkt->hdr.cmd); | |
917f39bb EG |
1316 | break; |
1317 | } | |
1318 | } | |
1319 | ||
0316d30e JB |
1320 | static void iwl_mvm_rx_common(struct iwl_mvm *mvm, |
1321 | struct iwl_rx_cmd_buffer *rxb, | |
1322 | struct iwl_rx_packet *pkt) | |
8ca151b5 | 1323 | { |
afc857bc | 1324 | unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); |
0316d30e | 1325 | int i; |
b108d8c7 | 1326 | union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; |
1738d60b | 1327 | |
b108d8c7 SM |
1328 | iwl_dbg_tlv_time_point(&mvm->fwrt, |
1329 | IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data); | |
917f39bb EG |
1330 | iwl_mvm_rx_check_trigger(mvm, pkt); |
1331 | ||
8ca151b5 JB |
1332 | /* |
1333 | * Do the notification wait before RX handlers so | |
1334 | * even if the RX handler consumes the RXB we have | |
1335 | * access to it in the notification wait entry. | |
1336 | */ | |
1337 | iwl_notification_wait_notify(&mvm->notif_wait, pkt); | |
1338 | ||
1339 | for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { | |
1340 | const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; | |
36eed56a EG |
1341 | struct iwl_async_handler_entry *entry; |
1342 | ||
1230b16b | 1343 | if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) |
36eed56a EG |
1344 | continue; |
1345 | ||
afc857bc JB |
1346 | if (unlikely(pkt_len < rx_h->min_size)) |
1347 | return; | |
1348 | ||
c9cb14a6 | 1349 | if (rx_h->context == RX_HANDLER_SYNC) { |
0416841d | 1350 | rx_h->fn(mvm, rxb); |
f7e6469f | 1351 | return; |
0416841d | 1352 | } |
36eed56a EG |
1353 | |
1354 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); | |
1355 | /* we can't do much... */ | |
1356 | if (!entry) | |
f7e6469f | 1357 | return; |
36eed56a EG |
1358 | |
1359 | entry->rxb._page = rxb_steal_page(rxb); | |
1360 | entry->rxb._offset = rxb->_offset; | |
1361 | entry->rxb._rx_page_order = rxb->_rx_page_order; | |
1362 | entry->fn = rx_h->fn; | |
c9cb14a6 | 1363 | entry->context = rx_h->context; |
36eed56a EG |
1364 | spin_lock(&mvm->async_handlers_lock); |
1365 | list_add_tail(&entry->list, &mvm->async_handlers_list); | |
1366 | spin_unlock(&mvm->async_handlers_lock); | |
1367 | schedule_work(&mvm->async_handlers_wk); | |
07fb3299 | 1368 | break; |
8ca151b5 | 1369 | } |
8ca151b5 JB |
1370 | } |
1371 | ||
0316d30e JB |
1372 | static void iwl_mvm_rx(struct iwl_op_mode *op_mode, |
1373 | struct napi_struct *napi, | |
1374 | struct iwl_rx_cmd_buffer *rxb) | |
1375 | { | |
1376 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
1377 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
61b0f5d7 | 1378 | u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); |
0316d30e | 1379 | |
61b0f5d7 | 1380 | if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) |
0316d30e | 1381 | iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); |
61b0f5d7 | 1382 | else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) |
0316d30e JB |
1383 | iwl_mvm_rx_rx_phy_cmd(mvm, rxb); |
1384 | else | |
1385 | iwl_mvm_rx_common(mvm, rxb, pkt); | |
1386 | } | |
1387 | ||
88181e6e JB |
1388 | void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, |
1389 | struct napi_struct *napi, | |
1390 | struct iwl_rx_cmd_buffer *rxb) | |
0316d30e JB |
1391 | { |
1392 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
1393 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
61b0f5d7 | 1394 | u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); |
0316d30e | 1395 | |
61b0f5d7 | 1396 | if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) |
780e87c2 | 1397 | iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); |
61b0f5d7 JB |
1398 | else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, |
1399 | RX_QUEUES_NOTIFICATION))) | |
c61b655a | 1400 | iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); |
61b0f5d7 | 1401 | else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) |
58035432 | 1402 | iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); |
fe69b7d1 JB |
1403 | else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE)) |
1404 | iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0); | |
bf9dfeda | 1405 | else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) |
d47cdb88 | 1406 | iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); |
0316d30e JB |
1407 | else |
1408 | iwl_mvm_rx_common(mvm, rxb, pkt); | |
1409 | } | |
1410 | ||
156f92f2 EG |
1411 | static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode, |
1412 | const struct iwl_device_cmd *cmd) | |
1413 | { | |
1414 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
1415 | ||
1416 | /* | |
1417 | * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA | |
1418 | * commands that need to block the Tx queues. | |
1419 | */ | |
1420 | iwl_trans_block_txq_ptrs(mvm->trans, false); | |
1421 | } | |
1422 | ||
99944b73 AS |
1423 | static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) |
1424 | { | |
1425 | return queue == mvm->aux_queue || queue == mvm->probe_queue || | |
1426 | queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; | |
1427 | } | |
1428 | ||
cfbc6c4c SS |
1429 | static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, |
1430 | int hw_queue, bool start) | |
8ca151b5 JB |
1431 | { |
1432 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
cfbc6c4c SS |
1433 | struct ieee80211_sta *sta; |
1434 | struct ieee80211_txq *txq; | |
1435 | struct iwl_mvm_txq *mvmtxq; | |
1436 | int i; | |
1437 | unsigned long tid_bitmap; | |
1438 | struct iwl_mvm_sta *mvmsta; | |
1439 | u8 sta_id; | |
b4f7a9d1 | 1440 | |
cfbc6c4c SS |
1441 | sta_id = iwl_mvm_has_new_tx_api(mvm) ? |
1442 | mvm->tvqm_info[hw_queue].sta_id : | |
1443 | mvm->queue_info[hw_queue].ra_sta_id; | |
b4f7a9d1 | 1444 | |
be9ae34e | 1445 | if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) |
8ca151b5 | 1446 | return; |
8ca151b5 | 1447 | |
cfbc6c4c SS |
1448 | rcu_read_lock(); |
1449 | ||
1450 | sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); | |
1451 | if (IS_ERR_OR_NULL(sta)) | |
1452 | goto out; | |
1453 | mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
1454 | ||
99944b73 AS |
1455 | if (iwl_mvm_is_static_queue(mvm, hw_queue)) { |
1456 | if (!start) | |
1457 | ieee80211_stop_queues(mvm->hw); | |
1458 | else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) | |
1459 | ieee80211_wake_queues(mvm->hw); | |
1460 | ||
1461 | goto out; | |
1462 | } | |
1463 | ||
cfbc6c4c SS |
1464 | if (iwl_mvm_has_new_tx_api(mvm)) { |
1465 | int tid = mvm->tvqm_info[hw_queue].txq_tid; | |
1466 | ||
1467 | tid_bitmap = BIT(tid); | |
1468 | } else { | |
1469 | tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; | |
1470 | } | |
1471 | ||
1472 | for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { | |
1473 | int tid = i; | |
1474 | ||
1475 | if (tid == IWL_MAX_TID_COUNT) | |
1476 | tid = IEEE80211_NUM_TIDS; | |
4ecafae9 | 1477 | |
cfbc6c4c SS |
1478 | txq = sta->txq[tid]; |
1479 | mvmtxq = iwl_mvm_txq_from_mac80211(txq); | |
1480 | mvmtxq->stopped = !start; | |
1481 | ||
1482 | if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) | |
1483 | iwl_mvm_mac_itxq_xmit(mvm->hw, txq); | |
4ecafae9 | 1484 | } |
cfbc6c4c SS |
1485 | |
1486 | out: | |
1487 | rcu_read_unlock(); | |
8ca151b5 JB |
1488 | } |
1489 | ||
cfbc6c4c | 1490 | static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) |
b4f7a9d1 | 1491 | { |
cfbc6c4c SS |
1492 | iwl_mvm_queue_state_change(op_mode, hw_queue, false); |
1493 | } | |
b4f7a9d1 | 1494 | |
cfbc6c4c SS |
1495 | static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) |
1496 | { | |
1497 | iwl_mvm_queue_state_change(op_mode, hw_queue, true); | |
b4f7a9d1 LK |
1498 | } |
1499 | ||
6ad04359 JB |
1500 | static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) |
1501 | { | |
1502 | bool state = iwl_mvm_is_radio_killed(mvm); | |
1503 | ||
1504 | if (state) | |
1505 | wake_up(&mvm->rx_sync_waitq); | |
1506 | ||
1507 | wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state); | |
1508 | } | |
1509 | ||
9ee718aa EL |
1510 | void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) |
1511 | { | |
1512 | if (state) | |
1513 | set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); | |
1514 | else | |
1515 | clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); | |
1516 | ||
6ad04359 | 1517 | iwl_mvm_set_rfkill_state(mvm); |
9ee718aa EL |
1518 | } |
1519 | ||
14cfca71 | 1520 | static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) |
8ca151b5 JB |
1521 | { |
1522 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
b3500b47 EG |
1523 | bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done); |
1524 | bool unified = iwl_mvm_has_unified_ucode(mvm); | |
8ca151b5 JB |
1525 | |
1526 | if (state) | |
1527 | set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); | |
1528 | else | |
1529 | clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); | |
1530 | ||
6ad04359 | 1531 | iwl_mvm_set_rfkill_state(mvm); |
14cfca71 | 1532 | |
b3500b47 EG |
1533 | /* iwl_run_init_mvm_ucode is waiting for results, abort it. */ |
1534 | if (rfkill_safe_init_done) | |
31b8b343 EG |
1535 | iwl_abort_notification_waits(&mvm->notif_wait); |
1536 | ||
b3500b47 EG |
1537 | /* |
1538 | * Don't ask the transport to stop the firmware. We'll do it | |
1539 | * after cfg80211 takes us down. | |
1540 | */ | |
1541 | if (unified) | |
1542 | return false; | |
1543 | ||
31b8b343 EG |
1544 | /* |
1545 | * Stop the device if we run OPERATIONAL firmware or if we are in the | |
1546 | * middle of the calibrations. | |
1547 | */ | |
07c89a60 | 1548 | return state && rfkill_safe_init_done; |
8ca151b5 JB |
1549 | } |
1550 | ||
1551 | static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) | |
1552 | { | |
1553 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
1554 | struct ieee80211_tx_info *info; | |
1555 | ||
1556 | info = IEEE80211_SKB_CB(skb); | |
1557 | iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); | |
1558 | ieee80211_free_txskb(mvm->hw, skb); | |
1559 | } | |
1560 | ||
ac1ed416 JB |
1561 | struct iwl_mvm_reprobe { |
1562 | struct device *dev; | |
1563 | struct work_struct work; | |
1564 | }; | |
1565 | ||
1566 | static void iwl_mvm_reprobe_wk(struct work_struct *wk) | |
1567 | { | |
1568 | struct iwl_mvm_reprobe *reprobe; | |
1569 | ||
1570 | reprobe = container_of(wk, struct iwl_mvm_reprobe, work); | |
1571 | if (device_reprobe(reprobe->dev)) | |
1572 | dev_err(reprobe->dev, "reprobe failed!\n"); | |
7a21b1d4 | 1573 | put_device(reprobe->dev); |
ac1ed416 JB |
1574 | kfree(reprobe); |
1575 | module_put(THIS_MODULE); | |
1576 | } | |
1577 | ||
b08c1d97 | 1578 | void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) |
8ca151b5 | 1579 | { |
8ca151b5 | 1580 | iwl_abort_notification_waits(&mvm->notif_wait); |
9b1bcfcc | 1581 | iwl_dbg_tlv_del_timers(mvm->trans); |
8ca151b5 | 1582 | |
992f81fc DS |
1583 | /* |
1584 | * This is a bit racy, but worst case we tell mac80211 about | |
1585 | * a stopped/aborted scan when that was already done which | |
1586 | * is not a problem. It is necessary to abort any os scan | |
1587 | * here because mac80211 requires having the scan cleared | |
1588 | * before restarting. | |
1589 | * We'll reset the scan_status to NONE in restart cleanup in | |
1590 | * the next start() call from mac80211. If restart isn't called | |
1591 | * (no fw restart) scan status will stay busy. | |
1592 | */ | |
4ffb3650 | 1593 | iwl_mvm_report_scan_aborted(mvm); |
992f81fc | 1594 | |
8ca151b5 JB |
1595 | /* |
1596 | * If we're restarting already, don't cycle restarts. | |
1597 | * If INIT fw asserted, it will likely fail again. | |
1598 | * If WoWLAN fw asserted, don't restart either, mac80211 | |
1599 | * can't recover this since we're already half suspended. | |
1600 | */ | |
3b37f4c9 | 1601 | if (!mvm->fw_restart && fw_error) { |
b8221b0f | 1602 | iwl_fw_error_collect(&mvm->fwrt, false); |
bf8b286f | 1603 | } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
ac1ed416 JB |
1604 | struct iwl_mvm_reprobe *reprobe; |
1605 | ||
1606 | IWL_ERR(mvm, | |
1607 | "Firmware error during reconfiguration - reprobe!\n"); | |
1608 | ||
1609 | /* | |
1610 | * get a module reference to avoid doing this while unloading | |
1611 | * anyway and to avoid scheduling a work with code that's | |
1612 | * being removed. | |
1613 | */ | |
1614 | if (!try_module_get(THIS_MODULE)) { | |
1615 | IWL_ERR(mvm, "Module is being unloaded - abort\n"); | |
1616 | return; | |
1617 | } | |
1618 | ||
1619 | reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); | |
1620 | if (!reprobe) { | |
1621 | module_put(THIS_MODULE); | |
1622 | return; | |
1623 | } | |
7a21b1d4 | 1624 | reprobe->dev = get_device(mvm->trans->dev); |
ac1ed416 JB |
1625 | INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); |
1626 | schedule_work(&reprobe->work); | |
1e78e759 IP |
1627 | } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, |
1628 | &mvm->status)) { | |
1629 | IWL_ERR(mvm, "HW restart already requested, but not started\n"); | |
702e975d | 1630 | } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && |
f60c9e59 EG |
1631 | mvm->hw_registered && |
1632 | !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { | |
861bae42 MG |
1633 | /* This should be first thing before trying to collect any |
1634 | * data to avoid endless loops if any HW error happens while | |
1635 | * collecting debug data. | |
1636 | */ | |
1637 | set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); | |
1638 | ||
f130bb75 MG |
1639 | if (mvm->fw->ucode_capa.error_log_size) { |
1640 | u32 src_size = mvm->fw->ucode_capa.error_log_size; | |
1641 | u32 src_addr = mvm->fw->ucode_capa.error_log_addr; | |
1642 | u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); | |
1643 | ||
1644 | if (recover_buf) { | |
1645 | mvm->error_recovery_buf = recover_buf; | |
1646 | iwl_trans_read_mem_bytes(mvm->trans, | |
1647 | src_addr, | |
1648 | recover_buf, | |
1649 | src_size); | |
1650 | } | |
1651 | } | |
1652 | ||
b8221b0f | 1653 | iwl_fw_error_collect(&mvm->fwrt, false); |
4b1831e4 | 1654 | |
3b37f4c9 JB |
1655 | if (fw_error && mvm->fw_restart > 0) |
1656 | mvm->fw_restart--; | |
8ca151b5 JB |
1657 | ieee80211_restart_hw(mvm->hw); |
1658 | } | |
1659 | } | |
1660 | ||
b8221b0f | 1661 | static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync) |
715c998f EG |
1662 | { |
1663 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
1664 | ||
f60c9e59 EG |
1665 | if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) |
1666 | iwl_mvm_dump_nic_error_log(mvm); | |
1bd3cbc1 | 1667 | |
b8221b0f JB |
1668 | if (sync) { |
1669 | iwl_fw_error_collect(&mvm->fwrt, true); | |
1670 | /* | |
1671 | * Currently, the only case for sync=true is during | |
1672 | * shutdown, so just stop in this case. If/when that | |
1673 | * changes, we need to be a bit smarter here. | |
1674 | */ | |
1675 | return; | |
1676 | } | |
1677 | ||
2f308f00 JB |
1678 | /* |
1679 | * If the firmware crashes while we're already considering it | |
1680 | * to be dead then don't ask for a restart, that cannot do | |
1681 | * anything useful anyway. | |
1682 | */ | |
1683 | if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status)) | |
1684 | return; | |
1685 | ||
b08c1d97 | 1686 | iwl_mvm_nic_restart(mvm, true); |
715c998f EG |
1687 | } |
1688 | ||
8ca151b5 JB |
1689 | static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) |
1690 | { | |
715c998f EG |
1691 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); |
1692 | ||
8ca151b5 | 1693 | WARN_ON(1); |
b08c1d97 | 1694 | iwl_mvm_nic_restart(mvm, true); |
8ca151b5 JB |
1695 | } |
1696 | ||
d0129315 MG |
1697 | static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode, |
1698 | enum iwl_fw_ini_time_point tp_id, | |
1699 | union iwl_dbg_tlv_tp_data *tp_data) | |
1700 | { | |
1701 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
1702 | ||
1703 | iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data); | |
1704 | } | |
1705 | ||
0316d30e JB |
1706 | #define IWL_MVM_COMMON_OPS \ |
1707 | /* these could be differentiated */ \ | |
156f92f2 | 1708 | .async_cb = iwl_mvm_async_cb, \ |
0316d30e JB |
1709 | .queue_full = iwl_mvm_stop_sw_queue, \ |
1710 | .queue_not_full = iwl_mvm_wake_sw_queue, \ | |
1711 | .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ | |
1712 | .free_skb = iwl_mvm_free_skb, \ | |
1713 | .nic_error = iwl_mvm_nic_error, \ | |
1714 | .cmd_queue_full = iwl_mvm_cmd_queue_full, \ | |
1715 | .nic_config = iwl_mvm_nic_config, \ | |
0316d30e JB |
1716 | /* as we only register one, these MUST be common! */ \ |
1717 | .start = iwl_op_mode_mvm_start, \ | |
d0129315 MG |
1718 | .stop = iwl_op_mode_mvm_stop, \ |
1719 | .time_point = iwl_op_mode_mvm_time_point | |
0316d30e | 1720 | |
8ca151b5 | 1721 | static const struct iwl_op_mode_ops iwl_mvm_ops = { |
0316d30e JB |
1722 | IWL_MVM_COMMON_OPS, |
1723 | .rx = iwl_mvm_rx, | |
1724 | }; | |
1725 | ||
1726 | static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, | |
1727 | struct napi_struct *napi, | |
1728 | struct iwl_rx_cmd_buffer *rxb, | |
1729 | unsigned int queue) | |
1730 | { | |
1731 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
585a6fcc | 1732 | struct iwl_rx_packet *pkt = rxb_addr(rxb); |
61b0f5d7 | 1733 | u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); |
0316d30e | 1734 | |
61b0f5d7 | 1735 | if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) |
a338384b | 1736 | iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); |
61b0f5d7 JB |
1737 | else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, |
1738 | RX_QUEUES_NOTIFICATION))) | |
c61b655a | 1739 | iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue); |
61b0f5d7 | 1740 | else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) |
585a6fcc | 1741 | iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); |
0316d30e JB |
1742 | } |
1743 | ||
1744 | static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { | |
1745 | IWL_MVM_COMMON_OPS, | |
1746 | .rx = iwl_mvm_rx_mq, | |
1747 | .rx_rss = iwl_mvm_rx_mq_rss, | |
8ca151b5 | 1748 | }; |