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8ca151b5 JB |
1 | /****************************************************************************** |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
51368bf7 | 8 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
4fb06283 | 9 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
8ca151b5 JB |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of version 2 of the GNU General Public License as | |
13 | * published by the Free Software Foundation. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
23 | * USA | |
24 | * | |
25 | * The full GNU General Public License is included in this distribution | |
410dc5aa | 26 | * in the file called COPYING. |
8ca151b5 JB |
27 | * |
28 | * Contact Information: | |
29 | * Intel Linux Wireless <ilw@linux.intel.com> | |
30 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
31 | * | |
32 | * BSD LICENSE | |
33 | * | |
51368bf7 | 34 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
4fb06283 | 35 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
8ca151b5 JB |
36 | * All rights reserved. |
37 | * | |
38 | * Redistribution and use in source and binary forms, with or without | |
39 | * modification, are permitted provided that the following conditions | |
40 | * are met: | |
41 | * | |
42 | * * Redistributions of source code must retain the above copyright | |
43 | * notice, this list of conditions and the following disclaimer. | |
44 | * * Redistributions in binary form must reproduce the above copyright | |
45 | * notice, this list of conditions and the following disclaimer in | |
46 | * the documentation and/or other materials provided with the | |
47 | * distribution. | |
48 | * * Neither the name Intel Corporation nor the names of its | |
49 | * contributors may be used to endorse or promote products derived | |
50 | * from this software without specific prior written permission. | |
51 | * | |
52 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
53 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
54 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
55 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
56 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
57 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
58 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
59 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
60 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
61 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
62 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
63 | * | |
64 | *****************************************************************************/ | |
65 | #include <linux/module.h> | |
1bd3cbc1 | 66 | #include <linux/vmalloc.h> |
8ca151b5 JB |
67 | #include <net/mac80211.h> |
68 | ||
69 | #include "iwl-notif-wait.h" | |
70 | #include "iwl-trans.h" | |
71 | #include "iwl-op-mode.h" | |
72 | #include "iwl-fw.h" | |
73 | #include "iwl-debug.h" | |
74 | #include "iwl-drv.h" | |
75 | #include "iwl-modparams.h" | |
76 | #include "mvm.h" | |
77 | #include "iwl-phy-db.h" | |
78 | #include "iwl-eeprom-parse.h" | |
79 | #include "iwl-csr.h" | |
80 | #include "iwl-io.h" | |
81 | #include "iwl-prph.h" | |
82 | #include "rs.h" | |
83 | #include "fw-api-scan.h" | |
84 | #include "time-event.h" | |
85 | ||
8ca151b5 | 86 | #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" |
8ca151b5 | 87 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
8ca151b5 JB |
88 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
89 | MODULE_LICENSE("GPL"); | |
90 | ||
91 | static const struct iwl_op_mode_ops iwl_mvm_ops; | |
92 | ||
93 | struct iwl_mvm_mod_params iwlmvm_mod_params = { | |
94 | .power_scheme = IWL_POWER_SCHEME_BPS, | |
ce71c2f7 | 95 | .tfd_q_hang_detect = true |
8ca151b5 JB |
96 | /* rest of fields are 0 by default */ |
97 | }; | |
98 | ||
99 | module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, S_IRUGO); | |
100 | MODULE_PARM_DESC(init_dbg, | |
101 | "set to true to debug an ASSERT in INIT fw (default: false"); | |
102 | module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, S_IRUGO); | |
103 | MODULE_PARM_DESC(power_scheme, | |
104 | "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); | |
ce71c2f7 EG |
105 | module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect, |
106 | bool, S_IRUGO); | |
107 | MODULE_PARM_DESC(tfd_q_hang_detect, | |
108 | "TFD queues hang detection (default: true"); | |
8ca151b5 JB |
109 | |
110 | /* | |
111 | * module init and exit functions | |
112 | */ | |
113 | static int __init iwl_mvm_init(void) | |
114 | { | |
115 | int ret; | |
116 | ||
117 | ret = iwl_mvm_rate_control_register(); | |
118 | if (ret) { | |
119 | pr_err("Unable to register rate control algorithm: %d\n", ret); | |
120 | return ret; | |
121 | } | |
122 | ||
123 | ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); | |
124 | ||
125 | if (ret) { | |
126 | pr_err("Unable to register MVM op_mode: %d\n", ret); | |
127 | iwl_mvm_rate_control_unregister(); | |
128 | } | |
129 | ||
130 | return ret; | |
131 | } | |
132 | module_init(iwl_mvm_init); | |
133 | ||
134 | static void __exit iwl_mvm_exit(void) | |
135 | { | |
136 | iwl_opmode_deregister("iwlmvm"); | |
137 | iwl_mvm_rate_control_unregister(); | |
138 | } | |
139 | module_exit(iwl_mvm_exit); | |
140 | ||
141 | static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) | |
142 | { | |
143 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
144 | u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; | |
145 | u32 reg_val = 0; | |
a0544272 MH |
146 | u32 phy_config = iwl_mvm_get_phy_config(mvm); |
147 | ||
148 | radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> | |
149 | FW_PHY_CFG_RADIO_TYPE_POS; | |
150 | radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> | |
151 | FW_PHY_CFG_RADIO_STEP_POS; | |
152 | radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> | |
153 | FW_PHY_CFG_RADIO_DASH_POS; | |
8ca151b5 JB |
154 | |
155 | /* SKU control */ | |
156 | reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) << | |
157 | CSR_HW_IF_CONFIG_REG_POS_MAC_STEP; | |
158 | reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) << | |
159 | CSR_HW_IF_CONFIG_REG_POS_MAC_DASH; | |
160 | ||
161 | /* radio configuration */ | |
162 | reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; | |
163 | reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; | |
164 | reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; | |
165 | ||
166 | WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & | |
167 | ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); | |
168 | ||
9b1fcc11 LK |
169 | /* |
170 | * TODO: Bits 7-8 of CSR in 8000 HW family set the ADC sampling, and | |
171 | * shouldn't be set to any non-zero value. The same is supposed to be | |
172 | * true of the other HW, but unsetting them (such as the 7260) causes | |
173 | * automatic tests to fail on seemingly unrelated errors. Need to | |
174 | * further investigate this, but for now we'll separate cases. | |
175 | */ | |
176 | if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) | |
177 | reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; | |
8ca151b5 | 178 | |
e139dc4a LE |
179 | iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, |
180 | CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | | |
181 | CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP | | |
182 | CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | | |
183 | CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | | |
184 | CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | | |
185 | CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | | |
186 | CSR_HW_IF_CONFIG_REG_BIT_MAC_SI, | |
187 | reg_val); | |
8ca151b5 JB |
188 | |
189 | IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, | |
190 | radio_cfg_step, radio_cfg_dash); | |
191 | ||
192 | /* | |
193 | * W/A : NIC is stuck in a reset state after Early PCIe power off | |
194 | * (PCIe power is lost before PERST# is asserted), causing ME FW | |
195 | * to lose ownership and not being able to obtain it back. | |
196 | */ | |
3073d8c0 EH |
197 | if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) |
198 | iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, | |
199 | APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, | |
200 | ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); | |
8ca151b5 JB |
201 | } |
202 | ||
203 | struct iwl_rx_handlers { | |
204 | u8 cmd_id; | |
205 | bool async; | |
206 | int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, | |
207 | struct iwl_device_cmd *cmd); | |
208 | }; | |
209 | ||
210 | #define RX_HANDLER(_cmd_id, _fn, _async) \ | |
211 | { .cmd_id = _cmd_id , .fn = _fn , .async = _async } | |
212 | ||
213 | /* | |
214 | * Handlers for fw notifications | |
215 | * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME | |
216 | * This list should be in order of frequency for performance purposes. | |
217 | * | |
218 | * The handler can be SYNC - this means that it will be called in the Rx path | |
219 | * which can't acquire mvm->mutex. If the handler needs to hold mvm->mutex (and | |
220 | * only in this case!), it should be set as ASYNC. In that case, it will be | |
221 | * called from a worker with mvm->mutex held. | |
222 | */ | |
223 | static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { | |
224 | RX_HANDLER(REPLY_RX_MPDU_CMD, iwl_mvm_rx_rx_mpdu, false), | |
225 | RX_HANDLER(REPLY_RX_PHY_CMD, iwl_mvm_rx_rx_phy_cmd, false), | |
226 | RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, false), | |
227 | RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false), | |
8ca151b5 | 228 | |
f421f9c3 | 229 | RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, true), |
bd3398e2 | 230 | RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, true), |
9ee718aa | 231 | RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, true), |
b9fae2d5 EG |
232 | RX_HANDLER(ANTENNA_COUPLING_NOTIFICATION, |
233 | iwl_mvm_rx_ant_coupling_notif, true), | |
f421f9c3 | 234 | |
497b49d2 | 235 | RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, false), |
8ba2d7a1 | 236 | RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, true), |
497b49d2 | 237 | |
3e56eadf JB |
238 | RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, false), |
239 | ||
e5d74646 AB |
240 | RX_HANDLER(SCAN_ITERATION_COMPLETE, |
241 | iwl_mvm_rx_scan_offload_iter_complete_notif, false), | |
35a000b7 | 242 | RX_HANDLER(SCAN_OFFLOAD_COMPLETE, |
a6623e84 | 243 | iwl_mvm_rx_scan_offload_complete_notif, true), |
fb98be5e | 244 | RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_offload_results, |
35a000b7 | 245 | false), |
d2496221 DS |
246 | RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, |
247 | true), | |
ee9219b2 AS |
248 | RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, |
249 | iwl_mvm_rx_umac_scan_iter_complete_notif, false), | |
497b49d2 | 250 | |
8ca151b5 JB |
251 | RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, false), |
252 | ||
d64048ed HG |
253 | RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, |
254 | false), | |
255 | ||
8ca151b5 | 256 | RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, false), |
175a70b7 AB |
257 | RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, |
258 | iwl_mvm_power_uapsd_misbehaving_ap_notif, false), | |
ea9af24d LC |
259 | RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, true), |
260 | ||
1d3c3f63 AN |
261 | RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, |
262 | true), | |
30269c12 | 263 | RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, false), |
1d3c3f63 | 264 | |
8ca151b5 JB |
265 | }; |
266 | #undef RX_HANDLER | |
267 | #define CMD(x) [x] = #x | |
268 | ||
e5209263 | 269 | static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = { |
8ca151b5 JB |
270 | CMD(MVM_ALIVE), |
271 | CMD(REPLY_ERROR), | |
272 | CMD(INIT_COMPLETE_NOTIF), | |
273 | CMD(PHY_CONTEXT_CMD), | |
274 | CMD(MGMT_MCAST_KEY), | |
275 | CMD(TX_CMD), | |
276 | CMD(TXPATH_FLUSH), | |
04fd2c28 | 277 | CMD(SHARED_MEM_CFG), |
8ca151b5 JB |
278 | CMD(MAC_CONTEXT_CMD), |
279 | CMD(TIME_EVENT_CMD), | |
280 | CMD(TIME_EVENT_NOTIFICATION), | |
281 | CMD(BINDING_CONTEXT_CMD), | |
282 | CMD(TIME_QUOTA_CMD), | |
4ac6cb59 | 283 | CMD(NON_QOS_TX_COUNTER_CMD), |
8ca151b5 JB |
284 | CMD(SCAN_REQUEST_CMD), |
285 | CMD(SCAN_ABORT_CMD), | |
286 | CMD(SCAN_START_NOTIFICATION), | |
287 | CMD(SCAN_RESULTS_NOTIFICATION), | |
288 | CMD(SCAN_COMPLETE_NOTIFICATION), | |
289 | CMD(NVM_ACCESS_CMD), | |
290 | CMD(PHY_CONFIGURATION_CMD), | |
291 | CMD(CALIB_RES_NOTIF_PHY_DB), | |
292 | CMD(SET_CALIB_DEFAULT_CMD), | |
5a258aae | 293 | CMD(ADD_STA_KEY), |
8ca151b5 JB |
294 | CMD(ADD_STA), |
295 | CMD(REMOVE_STA), | |
296 | CMD(LQ_CMD), | |
297 | CMD(SCAN_OFFLOAD_CONFIG_CMD), | |
35a000b7 | 298 | CMD(MATCH_FOUND_NOTIFICATION), |
8ca151b5 JB |
299 | CMD(SCAN_OFFLOAD_REQUEST_CMD), |
300 | CMD(SCAN_OFFLOAD_ABORT_CMD), | |
b112889c | 301 | CMD(HOT_SPOT_CMD), |
8ca151b5 JB |
302 | CMD(SCAN_OFFLOAD_COMPLETE), |
303 | CMD(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), | |
fb98be5e | 304 | CMD(SCAN_ITERATION_COMPLETE), |
8ca151b5 JB |
305 | CMD(POWER_TABLE_CMD), |
306 | CMD(WEP_KEY), | |
307 | CMD(REPLY_RX_PHY_CMD), | |
308 | CMD(REPLY_RX_MPDU_CMD), | |
571765c8 | 309 | CMD(BEACON_NOTIFICATION), |
8ca151b5 | 310 | CMD(BEACON_TEMPLATE_CMD), |
91a8bcde | 311 | CMD(STATISTICS_CMD), |
8ca151b5 | 312 | CMD(STATISTICS_NOTIFICATION), |
3e56eadf | 313 | CMD(EOSP_NOTIFICATION), |
88f2fd73 | 314 | CMD(REDUCE_TX_POWER_CMD), |
8ca151b5 JB |
315 | CMD(TX_ANT_CONFIGURATION_CMD), |
316 | CMD(D3_CONFIG_CMD), | |
98ee7783 | 317 | CMD(D0I3_END_CMD), |
8ca151b5 JB |
318 | CMD(PROT_OFFLOAD_CONFIG_CMD), |
319 | CMD(OFFLOADS_QUERY_CMD), | |
320 | CMD(REMOTE_WAKE_CONFIG_CMD), | |
321 | CMD(WOWLAN_PATTERNS), | |
322 | CMD(WOWLAN_CONFIGURATION), | |
323 | CMD(WOWLAN_TSC_RSC_PARAM), | |
324 | CMD(WOWLAN_TKIP_PARAM), | |
325 | CMD(WOWLAN_KEK_KCK_MATERIAL), | |
326 | CMD(WOWLAN_GET_STATUSES), | |
327 | CMD(WOWLAN_TX_POWER_PER_DB), | |
b04998f3 LC |
328 | CMD(SCAN_OFFLOAD_PROFILES_QUERY_CMD), |
329 | CMD(SCAN_OFFLOAD_HOTSPOTS_CONFIG_CMD), | |
330 | CMD(SCAN_OFFLOAD_HOTSPOTS_QUERY_CMD), | |
3b4612fb | 331 | CMD(CARD_STATE_NOTIFICATION), |
d64048ed | 332 | CMD(MISSED_BEACONS_NOTIFICATION), |
fb3ceb81 EG |
333 | CMD(BT_COEX_PRIO_TABLE), |
334 | CMD(BT_COEX_PROT_ENV), | |
335 | CMD(BT_PROFILE_NOTIFICATION), | |
336 | CMD(BT_CONFIG), | |
51b6b9e0 | 337 | CMD(MCAST_FILTER_CMD), |
c87163b9 | 338 | CMD(BCAST_FILTER_CMD), |
7a06a38a | 339 | CMD(REPLY_SF_CFG_CMD), |
7df15b1e | 340 | CMD(REPLY_BEACON_FILTERING_CMD), |
a0a09243 LC |
341 | CMD(CMD_DTS_MEASUREMENT_TRIGGER), |
342 | CMD(DTS_MEASUREMENT_NOTIFICATION), | |
9ee718aa | 343 | CMD(REPLY_THERMAL_MNG_BACKOFF), |
e811ada7 | 344 | CMD(MAC_PM_POWER_TABLE), |
9180ac50 | 345 | CMD(LTR_CONFIG), |
dac94da8 | 346 | CMD(BT_COEX_CI), |
430a3bba EG |
347 | CMD(BT_COEX_UPDATE_SW_BOOST), |
348 | CMD(BT_COEX_UPDATE_CORUN_LUT), | |
349 | CMD(BT_COEX_UPDATE_REDUCED_TXP), | |
175a70b7 | 350 | CMD(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), |
b9fae2d5 | 351 | CMD(ANTENNA_COUPLING_NOTIFICATION), |
3edf8ff6 | 352 | CMD(SCD_QUEUE_CFG), |
d2496221 DS |
353 | CMD(SCAN_CFG_CMD), |
354 | CMD(SCAN_REQ_UMAC), | |
355 | CMD(SCAN_ABORT_UMAC), | |
356 | CMD(SCAN_COMPLETE_UMAC), | |
77c5d7ef AN |
357 | CMD(TDLS_CHANNEL_SWITCH_CMD), |
358 | CMD(TDLS_CHANNEL_SWITCH_NOTIFICATION), | |
307e4723 | 359 | CMD(TDLS_CONFIG_CMD), |
dcaf9f5e | 360 | CMD(MCC_UPDATE_CMD), |
ee9219b2 | 361 | CMD(SCAN_ITERATION_COMPLETE_UMAC), |
8ca151b5 JB |
362 | }; |
363 | #undef CMD | |
364 | ||
365 | /* this forward declaration can avoid to export the function */ | |
366 | static void iwl_mvm_async_handlers_wk(struct work_struct *wk); | |
37577fe2 | 367 | static void iwl_mvm_d0i3_exit_work(struct work_struct *wk); |
8ca151b5 | 368 | |
0c0e2c71 IY |
369 | static u32 calc_min_backoff(struct iwl_trans *trans, const struct iwl_cfg *cfg) |
370 | { | |
371 | const struct iwl_pwr_tx_backoff *pwr_tx_backoff = cfg->pwr_tx_backoffs; | |
372 | ||
373 | if (!pwr_tx_backoff) | |
374 | return 0; | |
375 | ||
376 | while (pwr_tx_backoff->pwr) { | |
377 | if (trans->dflt_pwr_limit >= pwr_tx_backoff->pwr) | |
378 | return pwr_tx_backoff->backoff; | |
379 | ||
380 | pwr_tx_backoff++; | |
381 | } | |
382 | ||
383 | return 0; | |
384 | } | |
385 | ||
4bfa47f3 EG |
386 | static void iwl_mvm_fw_error_dump_wk(struct work_struct *work); |
387 | ||
8ca151b5 JB |
388 | static struct iwl_op_mode * |
389 | iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, | |
390 | const struct iwl_fw *fw, struct dentry *dbgfs_dir) | |
391 | { | |
392 | struct ieee80211_hw *hw; | |
393 | struct iwl_op_mode *op_mode; | |
394 | struct iwl_mvm *mvm; | |
395 | struct iwl_trans_config trans_cfg = {}; | |
396 | static const u8 no_reclaim_cmds[] = { | |
397 | TX_CMD, | |
398 | }; | |
399 | int err, scan_size; | |
0c0e2c71 | 400 | u32 min_backoff; |
8ca151b5 | 401 | |
c4d83271 EG |
402 | /* |
403 | * We use IWL_MVM_STATION_COUNT to check the validity of the station | |
404 | * index all over the driver - check that its value corresponds to the | |
405 | * array size. | |
406 | */ | |
407 | BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT); | |
408 | ||
8ca151b5 JB |
409 | /******************************** |
410 | * 1. Allocating and configuring HW data | |
411 | ********************************/ | |
412 | hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + | |
413 | sizeof(struct iwl_mvm), | |
414 | &iwl_mvm_hw_ops); | |
415 | if (!hw) | |
416 | return NULL; | |
417 | ||
745160ee OG |
418 | if (cfg->max_rx_agg_size) |
419 | hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size; | |
420 | ||
77d96730 GG |
421 | if (cfg->max_tx_agg_size) |
422 | hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; | |
423 | ||
8ca151b5 JB |
424 | op_mode = hw->priv; |
425 | op_mode->ops = &iwl_mvm_ops; | |
8ca151b5 JB |
426 | |
427 | mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
428 | mvm->dev = trans->dev; | |
429 | mvm->trans = trans; | |
430 | mvm->cfg = cfg; | |
431 | mvm->fw = fw; | |
432 | mvm->hw = hw; | |
433 | ||
291aa7c4 EH |
434 | mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0; |
435 | ||
19e737c9 EL |
436 | mvm->aux_queue = 15; |
437 | mvm->first_agg_queue = 16; | |
438 | mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1; | |
439 | if (mvm->cfg->base_params->num_of_queues == 16) { | |
440 | mvm->aux_queue = 11; | |
441 | mvm->first_agg_queue = 12; | |
442 | } | |
1f3b0ff8 | 443 | mvm->sf_state = SF_UNINIT; |
ddfc1593 | 444 | mvm->low_latency_agg_frame_limit = 6; |
7b358f06 | 445 | mvm->cur_ucode = IWL_UCODE_INIT; |
19e737c9 | 446 | |
8ca151b5 | 447 | mutex_init(&mvm->mutex); |
d15a747f | 448 | mutex_init(&mvm->d0i3_suspend_mutex); |
8ca151b5 JB |
449 | spin_lock_init(&mvm->async_handlers_lock); |
450 | INIT_LIST_HEAD(&mvm->time_event_list); | |
b112889c | 451 | INIT_LIST_HEAD(&mvm->aux_roc_te_list); |
8ca151b5 JB |
452 | INIT_LIST_HEAD(&mvm->async_handlers_list); |
453 | spin_lock_init(&mvm->time_event_lock); | |
454 | ||
455 | INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); | |
456 | INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); | |
457 | INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk); | |
37577fe2 | 458 | INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work); |
d2709ad7 | 459 | INIT_DELAYED_WORK(&mvm->fw_dump_wk, iwl_mvm_fw_error_dump_wk); |
1d3c3f63 | 460 | INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); |
8ca151b5 | 461 | |
b2492501 | 462 | spin_lock_init(&mvm->d0i3_tx_lock); |
576eeee9 | 463 | spin_lock_init(&mvm->refs_lock); |
b2492501 AN |
464 | skb_queue_head_init(&mvm->d0i3_tx); |
465 | init_waitqueue_head(&mvm->d0i3_exit_waitq); | |
466 | ||
8ca151b5 JB |
467 | SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); |
468 | ||
469 | /* | |
470 | * Populate the state variables that the transport layer needs | |
471 | * to know about. | |
472 | */ | |
473 | trans_cfg.op_mode = op_mode; | |
474 | trans_cfg.no_reclaim_cmds = no_reclaim_cmds; | |
475 | trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); | |
476 | trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K; | |
477 | ||
25b9ea5c | 478 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE) |
8ca151b5 JB |
479 | trans_cfg.bc_table_dword = true; |
480 | ||
8ca151b5 JB |
481 | trans_cfg.command_names = iwl_mvm_cmd_strings; |
482 | ||
483 | trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE; | |
b2d81db7 | 484 | trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; |
3a736bcb | 485 | trans_cfg.scd_set_active = true; |
8ca151b5 | 486 | |
b4821767 LK |
487 | trans_cfg.sdio_adma_addr = fw->sdio_adma_addr; |
488 | ||
4cf677fd EG |
489 | /* Set a short watchdog for the command queue */ |
490 | trans_cfg.cmd_q_wdg_timeout = | |
5d42e7b2 | 491 | iwl_mvm_get_wd_timeout(mvm, NULL, false, true); |
4cf677fd | 492 | |
8ca151b5 JB |
493 | snprintf(mvm->hw->wiphy->fw_version, |
494 | sizeof(mvm->hw->wiphy->fw_version), | |
495 | "%s", fw->fw_version); | |
496 | ||
497 | /* Configure transport layer */ | |
498 | iwl_trans_configure(mvm->trans, &trans_cfg); | |
499 | ||
500 | trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; | |
501 | trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start); | |
09e350f7 LK |
502 | trans->dbg_dest_tlv = mvm->fw->dbg_dest_tlv; |
503 | trans->dbg_dest_reg_num = mvm->fw->dbg_dest_reg_num; | |
504 | memcpy(trans->dbg_conf_tlv, mvm->fw->dbg_conf_tlv, | |
505 | sizeof(trans->dbg_conf_tlv)); | |
d2709ad7 | 506 | trans->dbg_trigger_tlv = mvm->fw->dbg_trigger_tlv; |
8ca151b5 JB |
507 | |
508 | /* set up notification wait support */ | |
509 | iwl_notification_wait_init(&mvm->notif_wait); | |
510 | ||
511 | /* Init phy db */ | |
512 | mvm->phy_db = iwl_phy_db_init(trans); | |
513 | if (!mvm->phy_db) { | |
514 | IWL_ERR(mvm, "Cannot init phy_db\n"); | |
515 | goto out_free; | |
516 | } | |
517 | ||
518 | IWL_INFO(mvm, "Detected %s, REV=0x%X\n", | |
519 | mvm->cfg->name, mvm->trans->hw_rev); | |
520 | ||
0c0e2c71 IY |
521 | min_backoff = calc_min_backoff(trans, cfg); |
522 | iwl_mvm_tt_initialize(mvm, min_backoff); | |
4fb06283 EH |
523 | |
524 | if (iwlwifi_mod_params.nvm_file) | |
e02a9d60 | 525 | mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; |
4fb06283 EH |
526 | else |
527 | IWL_DEBUG_EEPROM(mvm->trans->dev, | |
528 | "working without external nvm file\n"); | |
9ee718aa | 529 | |
e02a9d60 | 530 | if (WARN(cfg->no_power_up_nic_in_init && !mvm->nvm_file_name, |
14b485f0 EH |
531 | "not allowing power-up and not having nvm_file\n")) |
532 | goto out_free; | |
533 | ||
81a67e32 | 534 | /* |
0ade579c | 535 | * Even if nvm exists in the nvm_file driver should read again the nvm |
14b485f0 EH |
536 | * from the nic because there might be entries that exist in the OTP |
537 | * and not in the file. | |
538 | * for nics with no_power_up_nic_in_init: rely completley on nvm_file | |
81a67e32 | 539 | */ |
e02a9d60 | 540 | if (cfg->no_power_up_nic_in_init && mvm->nvm_file_name) { |
14b485f0 | 541 | err = iwl_nvm_init(mvm, false); |
8c678ed4 EP |
542 | if (err) |
543 | goto out_free; | |
81a67e32 EL |
544 | } else { |
545 | err = iwl_trans_start_hw(mvm->trans); | |
546 | if (err) | |
547 | goto out_free; | |
548 | ||
549 | mutex_lock(&mvm->mutex); | |
550 | err = iwl_run_init_mvm_ucode(mvm, true); | |
b93b1fe3 LK |
551 | if (!err || !iwlmvm_mod_params.init_dbg) |
552 | iwl_trans_stop_device(trans); | |
81a67e32 EL |
553 | mutex_unlock(&mvm->mutex); |
554 | /* returns 0 if successful, 1 if success but in rfkill */ | |
555 | if (err < 0 && !iwlmvm_mod_params.init_dbg) { | |
556 | IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); | |
557 | goto out_free; | |
558 | } | |
8ca151b5 JB |
559 | } |
560 | ||
d2496221 | 561 | scan_size = iwl_mvm_scan_size(mvm); |
fb98be5e | 562 | |
8ca151b5 JB |
563 | mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); |
564 | if (!mvm->scan_cmd) | |
565 | goto out_free; | |
566 | ||
5a4b2afa HD |
567 | /* Set EBS as successful as long as not stated otherwise by the FW. */ |
568 | mvm->last_ebs_successful = true; | |
569 | ||
8ca151b5 JB |
570 | err = iwl_mvm_mac_setup_register(mvm); |
571 | if (err) | |
572 | goto out_free; | |
573 | ||
574 | err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir); | |
575 | if (err) | |
576 | goto out_unregister; | |
577 | ||
3848ab66 MG |
578 | memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); |
579 | ||
7498cf4c | 580 | /* rpm starts with a taken ref. only set the appropriate bit here. */ |
576eeee9 | 581 | mvm->refs[IWL_MVM_REF_UCODE_DOWN] = 1; |
7498cf4c | 582 | |
8ca151b5 JB |
583 | return op_mode; |
584 | ||
585 | out_unregister: | |
586 | ieee80211_unregister_hw(mvm->hw); | |
91b0d119 | 587 | iwl_mvm_leds_exit(mvm); |
8ca151b5 JB |
588 | out_free: |
589 | iwl_phy_db_free(mvm->phy_db); | |
590 | kfree(mvm->scan_cmd); | |
e02a9d60 | 591 | if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name) |
a4082843 | 592 | iwl_trans_op_mode_leave(trans); |
8ca151b5 JB |
593 | ieee80211_free_hw(mvm->hw); |
594 | return NULL; | |
595 | } | |
596 | ||
597 | static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) | |
598 | { | |
599 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
600 | int i; | |
601 | ||
602 | iwl_mvm_leds_exit(mvm); | |
603 | ||
9ee718aa EL |
604 | iwl_mvm_tt_exit(mvm); |
605 | ||
8ca151b5 JB |
606 | ieee80211_unregister_hw(mvm->hw); |
607 | ||
608 | kfree(mvm->scan_cmd); | |
e59647ea EP |
609 | kfree(mvm->mcast_filter_cmd); |
610 | mvm->mcast_filter_cmd = NULL; | |
8ca151b5 | 611 | |
afc66bb7 JB |
612 | #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS) |
613 | kfree(mvm->d3_resume_sram); | |
3c2f3b20 LC |
614 | if (mvm->nd_config) { |
615 | kfree(mvm->nd_config->match_sets); | |
616 | kfree(mvm->nd_config); | |
617 | mvm->nd_config = NULL; | |
3c2f3b20 | 618 | } |
afc66bb7 JB |
619 | #endif |
620 | ||
a4082843 | 621 | iwl_trans_op_mode_leave(mvm->trans); |
8ca151b5 JB |
622 | |
623 | iwl_phy_db_free(mvm->phy_db); | |
624 | mvm->phy_db = NULL; | |
625 | ||
8ca151b5 | 626 | iwl_free_nvm_data(mvm->nvm_data); |
ae2b21b0 | 627 | for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) |
8ca151b5 JB |
628 | kfree(mvm->nvm_sections[i].data); |
629 | ||
630 | ieee80211_free_hw(mvm->hw); | |
631 | } | |
632 | ||
633 | struct iwl_async_handler_entry { | |
634 | struct list_head list; | |
635 | struct iwl_rx_cmd_buffer rxb; | |
636 | int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, | |
637 | struct iwl_device_cmd *cmd); | |
638 | }; | |
639 | ||
640 | void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) | |
641 | { | |
642 | struct iwl_async_handler_entry *entry, *tmp; | |
643 | ||
644 | spin_lock_bh(&mvm->async_handlers_lock); | |
645 | list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { | |
646 | iwl_free_rxb(&entry->rxb); | |
647 | list_del(&entry->list); | |
648 | kfree(entry); | |
649 | } | |
650 | spin_unlock_bh(&mvm->async_handlers_lock); | |
651 | } | |
652 | ||
653 | static void iwl_mvm_async_handlers_wk(struct work_struct *wk) | |
654 | { | |
655 | struct iwl_mvm *mvm = | |
656 | container_of(wk, struct iwl_mvm, async_handlers_wk); | |
657 | struct iwl_async_handler_entry *entry, *tmp; | |
658 | struct list_head local_list; | |
659 | ||
660 | INIT_LIST_HEAD(&local_list); | |
661 | ||
662 | /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */ | |
663 | mutex_lock(&mvm->mutex); | |
664 | ||
665 | /* | |
666 | * Sync with Rx path with a lock. Remove all the entries from this list, | |
667 | * add them to a local one (lock free), and then handle them. | |
668 | */ | |
669 | spin_lock_bh(&mvm->async_handlers_lock); | |
670 | list_splice_init(&mvm->async_handlers_list, &local_list); | |
671 | spin_unlock_bh(&mvm->async_handlers_lock); | |
672 | ||
673 | list_for_each_entry_safe(entry, tmp, &local_list, list) { | |
674 | if (entry->fn(mvm, &entry->rxb, NULL)) | |
675 | IWL_WARN(mvm, | |
676 | "returned value from ASYNC handlers are ignored\n"); | |
677 | iwl_free_rxb(&entry->rxb); | |
678 | list_del(&entry->list); | |
679 | kfree(entry); | |
680 | } | |
681 | mutex_unlock(&mvm->mutex); | |
682 | } | |
683 | ||
917f39bb EG |
684 | static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, |
685 | struct iwl_rx_packet *pkt) | |
686 | { | |
687 | struct iwl_fw_dbg_trigger_tlv *trig; | |
688 | struct iwl_fw_dbg_trigger_cmd *cmds_trig; | |
917f39bb EG |
689 | int i; |
690 | ||
691 | if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF)) | |
692 | return; | |
693 | ||
694 | trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF); | |
695 | cmds_trig = (void *)trig->data; | |
696 | ||
697 | if (!iwl_fw_dbg_trigger_check_stop(mvm, NULL, trig)) | |
698 | return; | |
699 | ||
700 | for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { | |
701 | /* don't collect on CMD 0 */ | |
702 | if (!cmds_trig->cmds[i].cmd_id) | |
703 | break; | |
704 | ||
705 | if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd) | |
706 | continue; | |
707 | ||
5d4f929e JB |
708 | iwl_mvm_fw_dbg_collect_trig(mvm, trig, |
709 | "CMD 0x%02x received", | |
710 | pkt->hdr.cmd); | |
917f39bb EG |
711 | break; |
712 | } | |
713 | } | |
714 | ||
8ca151b5 JB |
715 | static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode, |
716 | struct iwl_rx_cmd_buffer *rxb, | |
717 | struct iwl_device_cmd *cmd) | |
718 | { | |
719 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
720 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
721 | u8 i; | |
722 | ||
917f39bb EG |
723 | iwl_mvm_rx_check_trigger(mvm, pkt); |
724 | ||
8ca151b5 JB |
725 | /* |
726 | * Do the notification wait before RX handlers so | |
727 | * even if the RX handler consumes the RXB we have | |
728 | * access to it in the notification wait entry. | |
729 | */ | |
730 | iwl_notification_wait_notify(&mvm->notif_wait, pkt); | |
731 | ||
732 | for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { | |
733 | const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; | |
36eed56a EG |
734 | struct iwl_async_handler_entry *entry; |
735 | ||
736 | if (rx_h->cmd_id != pkt->hdr.cmd) | |
737 | continue; | |
738 | ||
739 | if (!rx_h->async) | |
740 | return rx_h->fn(mvm, rxb, cmd); | |
741 | ||
742 | entry = kzalloc(sizeof(*entry), GFP_ATOMIC); | |
743 | /* we can't do much... */ | |
744 | if (!entry) | |
745 | return 0; | |
746 | ||
747 | entry->rxb._page = rxb_steal_page(rxb); | |
748 | entry->rxb._offset = rxb->_offset; | |
749 | entry->rxb._rx_page_order = rxb->_rx_page_order; | |
750 | entry->fn = rx_h->fn; | |
751 | spin_lock(&mvm->async_handlers_lock); | |
752 | list_add_tail(&entry->list, &mvm->async_handlers_list); | |
753 | spin_unlock(&mvm->async_handlers_lock); | |
754 | schedule_work(&mvm->async_handlers_wk); | |
755 | break; | |
8ca151b5 JB |
756 | } |
757 | ||
758 | return 0; | |
759 | } | |
760 | ||
761 | static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue) | |
762 | { | |
763 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
764 | int mq = mvm->queue_to_mac80211[queue]; | |
765 | ||
766 | if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE)) | |
767 | return; | |
768 | ||
df197c00 | 769 | if (atomic_inc_return(&mvm->mac80211_queue_stop_count[mq]) > 1) { |
8ca151b5 JB |
770 | IWL_DEBUG_TX_QUEUES(mvm, |
771 | "queue %d (mac80211 %d) already stopped\n", | |
772 | queue, mq); | |
773 | return; | |
774 | } | |
775 | ||
8ca151b5 JB |
776 | ieee80211_stop_queue(mvm->hw, mq); |
777 | } | |
778 | ||
779 | static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) | |
780 | { | |
781 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
782 | int mq = mvm->queue_to_mac80211[queue]; | |
783 | ||
784 | if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE)) | |
785 | return; | |
786 | ||
df197c00 | 787 | if (atomic_dec_return(&mvm->mac80211_queue_stop_count[mq]) > 0) { |
8ca151b5 | 788 | IWL_DEBUG_TX_QUEUES(mvm, |
df197c00 | 789 | "queue %d (mac80211 %d) still stopped\n", |
8ca151b5 JB |
790 | queue, mq); |
791 | return; | |
792 | } | |
793 | ||
8ca151b5 JB |
794 | ieee80211_wake_queue(mvm->hw, mq); |
795 | } | |
796 | ||
9ee718aa EL |
797 | void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) |
798 | { | |
799 | if (state) | |
800 | set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); | |
801 | else | |
802 | clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); | |
803 | ||
804 | wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm)); | |
805 | } | |
806 | ||
14cfca71 | 807 | static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) |
8ca151b5 JB |
808 | { |
809 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
31b8b343 | 810 | bool calibrating = ACCESS_ONCE(mvm->calibrating); |
8ca151b5 JB |
811 | |
812 | if (state) | |
813 | set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); | |
814 | else | |
815 | clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); | |
816 | ||
9ee718aa | 817 | wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm)); |
14cfca71 | 818 | |
31b8b343 EG |
819 | /* iwl_run_init_mvm_ucode is waiting for results, abort it */ |
820 | if (calibrating) | |
821 | iwl_abort_notification_waits(&mvm->notif_wait); | |
822 | ||
823 | /* | |
824 | * Stop the device if we run OPERATIONAL firmware or if we are in the | |
825 | * middle of the calibrations. | |
826 | */ | |
827 | return state && (mvm->cur_ucode != IWL_UCODE_INIT || calibrating); | |
8ca151b5 JB |
828 | } |
829 | ||
830 | static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) | |
831 | { | |
832 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
833 | struct ieee80211_tx_info *info; | |
834 | ||
835 | info = IEEE80211_SKB_CB(skb); | |
836 | iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); | |
837 | ieee80211_free_txskb(mvm->hw, skb); | |
838 | } | |
839 | ||
ac1ed416 JB |
840 | struct iwl_mvm_reprobe { |
841 | struct device *dev; | |
842 | struct work_struct work; | |
843 | }; | |
844 | ||
845 | static void iwl_mvm_reprobe_wk(struct work_struct *wk) | |
846 | { | |
847 | struct iwl_mvm_reprobe *reprobe; | |
848 | ||
849 | reprobe = container_of(wk, struct iwl_mvm_reprobe, work); | |
850 | if (device_reprobe(reprobe->dev)) | |
851 | dev_err(reprobe->dev, "reprobe failed!\n"); | |
852 | kfree(reprobe); | |
853 | module_put(THIS_MODULE); | |
854 | } | |
855 | ||
4bfa47f3 EG |
856 | static void iwl_mvm_fw_error_dump_wk(struct work_struct *work) |
857 | { | |
858 | struct iwl_mvm *mvm = | |
d2709ad7 | 859 | container_of(work, struct iwl_mvm, fw_dump_wk.work); |
4bfa47f3 | 860 | |
fb2380a2 LK |
861 | if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT)) |
862 | return; | |
863 | ||
4bfa47f3 | 864 | mutex_lock(&mvm->mutex); |
145d90b6 EG |
865 | |
866 | /* stop recording */ | |
867 | if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) { | |
868 | iwl_set_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100); | |
869 | } else { | |
870 | iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 0); | |
871 | /* wait before we collect the data till the DBGC stop */ | |
872 | udelay(100); | |
873 | } | |
874 | ||
4bfa47f3 | 875 | iwl_mvm_fw_error_dump(mvm); |
e66e0b70 EG |
876 | |
877 | /* start recording again if the firmware is not crashed */ | |
878 | WARN_ON_ONCE((!test_bit(STATUS_FW_ERROR, &mvm->trans->status)) && | |
9beda940 EG |
879 | mvm->fw->dbg_dest_tlv && |
880 | iwl_mvm_start_fw_dbg_conf(mvm, mvm->fw_dbg_conf)); | |
e66e0b70 | 881 | |
4bfa47f3 | 882 | mutex_unlock(&mvm->mutex); |
fb2380a2 LK |
883 | |
884 | iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT); | |
4bfa47f3 EG |
885 | } |
886 | ||
b08c1d97 | 887 | void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) |
8ca151b5 | 888 | { |
8ca151b5 JB |
889 | iwl_abort_notification_waits(&mvm->notif_wait); |
890 | ||
992f81fc DS |
891 | /* |
892 | * This is a bit racy, but worst case we tell mac80211 about | |
893 | * a stopped/aborted scan when that was already done which | |
894 | * is not a problem. It is necessary to abort any os scan | |
895 | * here because mac80211 requires having the scan cleared | |
896 | * before restarting. | |
897 | * We'll reset the scan_status to NONE in restart cleanup in | |
898 | * the next start() call from mac80211. If restart isn't called | |
899 | * (no fw restart) scan status will stay busy. | |
900 | */ | |
4ffb3650 | 901 | iwl_mvm_report_scan_aborted(mvm); |
992f81fc | 902 | |
8ca151b5 JB |
903 | /* |
904 | * If we're restarting already, don't cycle restarts. | |
905 | * If INIT fw asserted, it will likely fail again. | |
906 | * If WoWLAN fw asserted, don't restart either, mac80211 | |
907 | * can't recover this since we're already half suspended. | |
908 | */ | |
60f1071c | 909 | if (!mvm->restart_fw && fw_error) { |
b6eaa45a | 910 | iwl_mvm_fw_dbg_collect_desc(mvm, &iwl_mvm_dump_desc_assert, 0); |
60f1071c LC |
911 | } else if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART, |
912 | &mvm->status)) { | |
ac1ed416 JB |
913 | struct iwl_mvm_reprobe *reprobe; |
914 | ||
915 | IWL_ERR(mvm, | |
916 | "Firmware error during reconfiguration - reprobe!\n"); | |
917 | ||
918 | /* | |
919 | * get a module reference to avoid doing this while unloading | |
920 | * anyway and to avoid scheduling a work with code that's | |
921 | * being removed. | |
922 | */ | |
923 | if (!try_module_get(THIS_MODULE)) { | |
924 | IWL_ERR(mvm, "Module is being unloaded - abort\n"); | |
925 | return; | |
926 | } | |
927 | ||
928 | reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); | |
929 | if (!reprobe) { | |
930 | module_put(THIS_MODULE); | |
931 | return; | |
932 | } | |
933 | reprobe->dev = mvm->trans->dev; | |
934 | INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); | |
935 | schedule_work(&reprobe->work); | |
60f1071c | 936 | } else if (mvm->cur_ucode == IWL_UCODE_REGULAR) { |
7498cf4c EP |
937 | /* don't let the transport/FW power down */ |
938 | iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); | |
939 | ||
b08c1d97 | 940 | if (fw_error && mvm->restart_fw > 0) |
291aa7c4 | 941 | mvm->restart_fw--; |
8ca151b5 JB |
942 | ieee80211_restart_hw(mvm->hw); |
943 | } | |
944 | } | |
945 | ||
715c998f EG |
946 | static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode) |
947 | { | |
948 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
949 | ||
950 | iwl_mvm_dump_nic_error_log(mvm); | |
1bd3cbc1 | 951 | |
b08c1d97 | 952 | iwl_mvm_nic_restart(mvm, true); |
715c998f EG |
953 | } |
954 | ||
8ca151b5 JB |
955 | static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) |
956 | { | |
715c998f EG |
957 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); |
958 | ||
8ca151b5 | 959 | WARN_ON(1); |
b08c1d97 | 960 | iwl_mvm_nic_restart(mvm, true); |
8ca151b5 JB |
961 | } |
962 | ||
37577fe2 EP |
963 | struct iwl_d0i3_iter_data { |
964 | struct iwl_mvm *mvm; | |
965 | u8 ap_sta_id; | |
966 | u8 vif_count; | |
b2492501 AN |
967 | u8 offloading_tid; |
968 | bool disable_offloading; | |
37577fe2 EP |
969 | }; |
970 | ||
b2492501 AN |
971 | static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm, |
972 | struct ieee80211_vif *vif, | |
973 | struct iwl_d0i3_iter_data *iter_data) | |
974 | { | |
975 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
976 | struct ieee80211_sta *ap_sta; | |
977 | struct iwl_mvm_sta *mvmsta; | |
978 | u32 available_tids = 0; | |
979 | u8 tid; | |
980 | ||
981 | if (WARN_ON(vif->type != NL80211_IFTYPE_STATION || | |
982 | mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)) | |
983 | return false; | |
984 | ||
985 | ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id]); | |
986 | if (IS_ERR_OR_NULL(ap_sta)) | |
987 | return false; | |
988 | ||
989 | mvmsta = iwl_mvm_sta_from_mac80211(ap_sta); | |
990 | spin_lock_bh(&mvmsta->lock); | |
991 | for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { | |
992 | struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; | |
993 | ||
994 | /* | |
995 | * in case of pending tx packets, don't use this tid | |
996 | * for offloading in order to prevent reuse of the same | |
997 | * qos seq counters. | |
998 | */ | |
999 | if (iwl_mvm_tid_queued(tid_data)) | |
1000 | continue; | |
1001 | ||
1002 | if (tid_data->state != IWL_AGG_OFF) | |
1003 | continue; | |
1004 | ||
1005 | available_tids |= BIT(tid); | |
1006 | } | |
1007 | spin_unlock_bh(&mvmsta->lock); | |
1008 | ||
1009 | /* | |
1010 | * disallow protocol offloading if we have no available tid | |
1011 | * (with no pending frames and no active aggregation, | |
1012 | * as we don't handle "holes" properly - the scheduler needs the | |
1013 | * frame's seq number and TFD index to match) | |
1014 | */ | |
1015 | if (!available_tids) | |
1016 | return true; | |
1017 | ||
1018 | /* for simplicity, just use the first available tid */ | |
1019 | iter_data->offloading_tid = ffs(available_tids) - 1; | |
1020 | return false; | |
1021 | } | |
1022 | ||
d6230972 EP |
1023 | static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac, |
1024 | struct ieee80211_vif *vif) | |
1025 | { | |
37577fe2 EP |
1026 | struct iwl_d0i3_iter_data *data = _data; |
1027 | struct iwl_mvm *mvm = data->mvm; | |
1028 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
d6230972 EP |
1029 | u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; |
1030 | ||
1031 | IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr); | |
1032 | if (vif->type != NL80211_IFTYPE_STATION || | |
1033 | !vif->bss_conf.assoc) | |
1034 | return; | |
1035 | ||
b2492501 AN |
1036 | /* |
1037 | * in case of pending tx packets or active aggregations, | |
1038 | * avoid offloading features in order to prevent reuse of | |
1039 | * the same qos seq counters. | |
1040 | */ | |
1041 | if (iwl_mvm_disallow_offloading(mvm, vif, data)) | |
1042 | data->disable_offloading = true; | |
1043 | ||
d6230972 | 1044 | iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags); |
8bd22e7b | 1045 | iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, flags); |
d6230972 EP |
1046 | |
1047 | /* | |
1048 | * on init/association, mvm already configures POWER_TABLE_CMD | |
1049 | * and REPLY_MCAST_FILTER_CMD, so currently don't | |
1050 | * reconfigure them (we might want to use different | |
1051 | * params later on, though). | |
1052 | */ | |
37577fe2 EP |
1053 | data->ap_sta_id = mvmvif->ap_sta_id; |
1054 | data->vif_count++; | |
d6230972 EP |
1055 | } |
1056 | ||
1a95c8df | 1057 | static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm, |
c8b06a99 | 1058 | struct iwl_wowlan_config_cmd *cmd, |
1a95c8df EP |
1059 | struct iwl_d0i3_iter_data *iter_data) |
1060 | { | |
1061 | struct ieee80211_sta *ap_sta; | |
1062 | struct iwl_mvm_sta *mvm_ap_sta; | |
1063 | ||
1064 | if (iter_data->ap_sta_id == IWL_MVM_STATION_COUNT) | |
1065 | return; | |
1066 | ||
1067 | rcu_read_lock(); | |
1068 | ||
1069 | ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]); | |
1070 | if (IS_ERR_OR_NULL(ap_sta)) | |
1071 | goto out; | |
1072 | ||
1073 | mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta); | |
c8b06a99 | 1074 | cmd->is_11n_connection = ap_sta->ht_cap.ht_supported; |
b2492501 | 1075 | cmd->offloading_tid = iter_data->offloading_tid; |
1a95c8df EP |
1076 | |
1077 | /* | |
1078 | * The d0i3 uCode takes care of the nonqos counters, | |
1079 | * so configure only the qos seq ones. | |
1080 | */ | |
c8b06a99 | 1081 | iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd); |
1a95c8df EP |
1082 | out: |
1083 | rcu_read_unlock(); | |
1084 | } | |
6735943f EP |
1085 | |
1086 | int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) | |
b3370d47 EP |
1087 | { |
1088 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
98ee7783 | 1089 | u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE; |
b77f06d9 | 1090 | int ret; |
37577fe2 EP |
1091 | struct iwl_d0i3_iter_data d0i3_iter_data = { |
1092 | .mvm = mvm, | |
1093 | }; | |
c8b06a99 EG |
1094 | struct iwl_wowlan_config_cmd wowlan_config_cmd = { |
1095 | .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME | | |
1096 | IWL_WOWLAN_WAKEUP_BEACON_MISS | | |
1097 | IWL_WOWLAN_WAKEUP_LINK_CHANGE | | |
1098 | IWL_WOWLAN_WAKEUP_BCN_FILTERING), | |
b77f06d9 | 1099 | }; |
98ee7783 AN |
1100 | struct iwl_d3_manager_config d3_cfg_cmd = { |
1101 | .min_sleep_time = cpu_to_le32(1000), | |
d9f1fc20 | 1102 | .wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR), |
98ee7783 | 1103 | }; |
b3370d47 EP |
1104 | |
1105 | IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n"); | |
98ee7783 | 1106 | |
b2492501 AN |
1107 | /* make sure we have no running tx while configuring the qos */ |
1108 | set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); | |
1109 | synchronize_net(); | |
1110 | ||
f4cf8680 EP |
1111 | /* |
1112 | * iwl_mvm_ref_sync takes a reference before checking the flag. | |
1113 | * so by checking there is no held reference we prevent a state | |
1114 | * in which iwl_mvm_ref_sync continues successfully while we | |
1115 | * configure the firmware to enter d0i3 | |
1116 | */ | |
1117 | if (iwl_mvm_ref_taken(mvm)) { | |
1118 | IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n"); | |
1119 | clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); | |
caf1578a | 1120 | wake_up(&mvm->d0i3_exit_waitq); |
f4cf8680 EP |
1121 | return 1; |
1122 | } | |
1123 | ||
d6230972 EP |
1124 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, |
1125 | IEEE80211_IFACE_ITER_NORMAL, | |
1126 | iwl_mvm_enter_d0i3_iterator, | |
37577fe2 EP |
1127 | &d0i3_iter_data); |
1128 | if (d0i3_iter_data.vif_count == 1) { | |
1129 | mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id; | |
b2492501 | 1130 | mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading; |
37577fe2 EP |
1131 | } else { |
1132 | WARN_ON_ONCE(d0i3_iter_data.vif_count > 1); | |
1133 | mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT; | |
b2492501 | 1134 | mvm->d0i3_offloading = false; |
37577fe2 | 1135 | } |
d6230972 | 1136 | |
1a95c8df | 1137 | iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, &d0i3_iter_data); |
b77f06d9 EP |
1138 | ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags, |
1139 | sizeof(wowlan_config_cmd), | |
1140 | &wowlan_config_cmd); | |
1141 | if (ret) | |
1142 | return ret; | |
1143 | ||
98ee7783 AN |
1144 | return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, |
1145 | flags | CMD_MAKE_TRANS_IDLE, | |
1146 | sizeof(d3_cfg_cmd), &d3_cfg_cmd); | |
b3370d47 EP |
1147 | } |
1148 | ||
d6230972 EP |
1149 | static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac, |
1150 | struct ieee80211_vif *vif) | |
1151 | { | |
1152 | struct iwl_mvm *mvm = _data; | |
1153 | u32 flags = CMD_ASYNC | CMD_HIGH_PRIO; | |
1154 | ||
1155 | IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr); | |
1156 | if (vif->type != NL80211_IFTYPE_STATION || | |
1157 | !vif->bss_conf.assoc) | |
1158 | return; | |
1159 | ||
1160 | iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags); | |
1161 | } | |
1162 | ||
37577fe2 EP |
1163 | static void iwl_mvm_d0i3_disconnect_iter(void *data, u8 *mac, |
1164 | struct ieee80211_vif *vif) | |
1165 | { | |
1166 | struct iwl_mvm *mvm = data; | |
1167 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1168 | ||
1169 | if (vif->type == NL80211_IFTYPE_STATION && vif->bss_conf.assoc && | |
1170 | mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) | |
31755207 | 1171 | iwl_mvm_connection_loss(mvm, vif, "D0i3"); |
37577fe2 EP |
1172 | } |
1173 | ||
b2492501 AN |
1174 | void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq) |
1175 | { | |
1176 | struct ieee80211_sta *sta = NULL; | |
1177 | struct iwl_mvm_sta *mvm_ap_sta; | |
1178 | int i; | |
1179 | bool wake_queues = false; | |
1180 | ||
1181 | lockdep_assert_held(&mvm->mutex); | |
1182 | ||
1183 | spin_lock_bh(&mvm->d0i3_tx_lock); | |
1184 | ||
1185 | if (mvm->d0i3_ap_sta_id == IWL_MVM_STATION_COUNT) | |
1186 | goto out; | |
1187 | ||
1188 | IWL_DEBUG_RPM(mvm, "re-enqueue packets\n"); | |
1189 | ||
1190 | /* get the sta in order to update seq numbers and re-enqueue skbs */ | |
1191 | sta = rcu_dereference_protected( | |
1192 | mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id], | |
1193 | lockdep_is_held(&mvm->mutex)); | |
1194 | ||
1195 | if (IS_ERR_OR_NULL(sta)) { | |
1196 | sta = NULL; | |
1197 | goto out; | |
1198 | } | |
1199 | ||
1200 | if (mvm->d0i3_offloading && qos_seq) { | |
1201 | /* update qos seq numbers if offloading was enabled */ | |
9d8ce6af | 1202 | mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta); |
b2492501 AN |
1203 | for (i = 0; i < IWL_MAX_TID_COUNT; i++) { |
1204 | u16 seq = le16_to_cpu(qos_seq[i]); | |
1205 | /* firmware stores last-used one, we store next one */ | |
1206 | seq += 0x10; | |
1207 | mvm_ap_sta->tid_data[i].seq_number = seq; | |
1208 | } | |
1209 | } | |
1210 | out: | |
1211 | /* re-enqueue (or drop) all packets */ | |
1212 | while (!skb_queue_empty(&mvm->d0i3_tx)) { | |
1213 | struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx); | |
1214 | ||
1215 | if (!sta || iwl_mvm_tx_skb(mvm, skb, sta)) | |
1216 | ieee80211_free_txskb(mvm->hw, skb); | |
1217 | ||
1218 | /* if the skb_queue is not empty, we need to wake queues */ | |
1219 | wake_queues = true; | |
1220 | } | |
1221 | clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); | |
1222 | wake_up(&mvm->d0i3_exit_waitq); | |
1223 | mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT; | |
1224 | if (wake_queues) | |
1225 | ieee80211_wake_queues(mvm->hw); | |
1226 | ||
1227 | spin_unlock_bh(&mvm->d0i3_tx_lock); | |
1228 | } | |
1229 | ||
37577fe2 EP |
1230 | static void iwl_mvm_d0i3_exit_work(struct work_struct *wk) |
1231 | { | |
1232 | struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work); | |
1233 | struct iwl_host_cmd get_status_cmd = { | |
1234 | .id = WOWLAN_GET_STATUSES, | |
a1022927 | 1235 | .flags = CMD_HIGH_PRIO | CMD_WANT_SKB, |
37577fe2 | 1236 | }; |
3afec639 | 1237 | struct iwl_wowlan_status *status; |
37577fe2 EP |
1238 | int ret; |
1239 | u32 disconnection_reasons, wakeup_reasons; | |
b2492501 | 1240 | __le16 *qos_seq = NULL; |
37577fe2 EP |
1241 | |
1242 | mutex_lock(&mvm->mutex); | |
1243 | ret = iwl_mvm_send_cmd(mvm, &get_status_cmd); | |
1244 | if (ret) | |
1245 | goto out; | |
1246 | ||
1247 | if (!get_status_cmd.resp_pkt) | |
1248 | goto out; | |
1249 | ||
1250 | status = (void *)get_status_cmd.resp_pkt->data; | |
1251 | wakeup_reasons = le32_to_cpu(status->wakeup_reasons); | |
b2492501 | 1252 | qos_seq = status->qos_seq_ctr; |
37577fe2 EP |
1253 | |
1254 | IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons); | |
1255 | ||
1256 | disconnection_reasons = | |
1257 | IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON | | |
1258 | IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH; | |
1259 | if (wakeup_reasons & disconnection_reasons) | |
1260 | ieee80211_iterate_active_interfaces( | |
1261 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | |
1262 | iwl_mvm_d0i3_disconnect_iter, mvm); | |
37577fe2 | 1263 | out: |
b2492501 | 1264 | iwl_mvm_d0i3_enable_tx(mvm, qos_seq); |
47c8b154 | 1265 | |
e5629be7 EP |
1266 | /* qos_seq might point inside resp_pkt, so free it only now */ |
1267 | if (get_status_cmd.resp_pkt) | |
1268 | iwl_free_resp(&get_status_cmd); | |
1269 | ||
47c8b154 JD |
1270 | /* the FW might have updated the regdomain */ |
1271 | iwl_mvm_update_changed_regdom(mvm); | |
1272 | ||
d15a747f | 1273 | iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK); |
37577fe2 EP |
1274 | mutex_unlock(&mvm->mutex); |
1275 | } | |
1276 | ||
d15a747f | 1277 | int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm) |
b3370d47 | 1278 | { |
98ee7783 AN |
1279 | u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE | |
1280 | CMD_WAKE_UP_TRANS; | |
d6230972 | 1281 | int ret; |
b3370d47 EP |
1282 | |
1283 | IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n"); | |
98ee7783 | 1284 | |
d15a747f EP |
1285 | mutex_lock(&mvm->d0i3_suspend_mutex); |
1286 | if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) { | |
1287 | IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n"); | |
1288 | __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags); | |
1289 | mutex_unlock(&mvm->d0i3_suspend_mutex); | |
1290 | return 0; | |
1291 | } | |
1292 | mutex_unlock(&mvm->d0i3_suspend_mutex); | |
1293 | ||
d6230972 EP |
1294 | ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL); |
1295 | if (ret) | |
37577fe2 | 1296 | goto out; |
d6230972 EP |
1297 | |
1298 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, | |
1299 | IEEE80211_IFACE_ITER_NORMAL, | |
1300 | iwl_mvm_exit_d0i3_iterator, | |
1301 | mvm); | |
37577fe2 EP |
1302 | out: |
1303 | schedule_work(&mvm->d0i3_exit_work); | |
1304 | return ret; | |
b3370d47 EP |
1305 | } |
1306 | ||
6735943f | 1307 | int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode) |
d15a747f EP |
1308 | { |
1309 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
1310 | ||
1311 | iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK); | |
1312 | return _iwl_mvm_exit_d0i3(mvm); | |
1313 | } | |
1314 | ||
f14d6b39 JB |
1315 | static void iwl_mvm_napi_add(struct iwl_op_mode *op_mode, |
1316 | struct napi_struct *napi, | |
1317 | struct net_device *napi_dev, | |
1318 | int (*poll)(struct napi_struct *, int), | |
1319 | int weight) | |
1320 | { | |
1321 | struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); | |
1322 | ||
1323 | ieee80211_napi_add(mvm->hw, napi, napi_dev, poll, weight); | |
1324 | } | |
1325 | ||
8ca151b5 JB |
1326 | static const struct iwl_op_mode_ops iwl_mvm_ops = { |
1327 | .start = iwl_op_mode_mvm_start, | |
1328 | .stop = iwl_op_mode_mvm_stop, | |
1329 | .rx = iwl_mvm_rx_dispatch, | |
1330 | .queue_full = iwl_mvm_stop_sw_queue, | |
1331 | .queue_not_full = iwl_mvm_wake_sw_queue, | |
1332 | .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, | |
1333 | .free_skb = iwl_mvm_free_skb, | |
1334 | .nic_error = iwl_mvm_nic_error, | |
1335 | .cmd_queue_full = iwl_mvm_cmd_queue_full, | |
1336 | .nic_config = iwl_mvm_nic_config, | |
b3370d47 EP |
1337 | .enter_d0i3 = iwl_mvm_enter_d0i3, |
1338 | .exit_d0i3 = iwl_mvm_exit_d0i3, | |
f14d6b39 | 1339 | .napi_add = iwl_mvm_napi_add, |
8ca151b5 | 1340 | }; |