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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. |
8ca151b5 JB |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
410dc5aa | 25 | * in the file called COPYING. |
8ca151b5 JB |
26 | * |
27 | * Contact Information: | |
28 | * Intel Linux Wireless <ilw@linux.intel.com> | |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
51368bf7 | 33 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
8ca151b5 JB |
34 | * All rights reserved. |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | * | |
62 | *****************************************************************************/ | |
63 | ||
64 | #include <linux/kernel.h> | |
65 | #include <linux/module.h> | |
66 | #include <linux/slab.h> | |
8ca151b5 JB |
67 | |
68 | #include <net/mac80211.h> | |
69 | ||
70 | #include "iwl-debug.h" | |
71 | #include "mvm.h" | |
72 | #include "iwl-modparams.h" | |
73 | #include "fw-api-power.h" | |
74 | ||
75 | #define POWER_KEEP_ALIVE_PERIOD_SEC 25 | |
76 | ||
d623d24a | 77 | static |
e811ada7 | 78 | int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, |
3dd37d05 EP |
79 | struct iwl_beacon_filter_cmd *cmd, |
80 | u32 flags) | |
071d4990 | 81 | { |
d623d24a EG |
82 | IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n", |
83 | le32_to_cpu(cmd->ba_enable_beacon_abort)); | |
84 | IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n", | |
85 | le32_to_cpu(cmd->ba_escape_timer)); | |
86 | IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n", | |
87 | le32_to_cpu(cmd->bf_debug_flag)); | |
88 | IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n", | |
89 | le32_to_cpu(cmd->bf_enable_beacon_filter)); | |
90 | IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n", | |
91 | le32_to_cpu(cmd->bf_energy_delta)); | |
92 | IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n", | |
93 | le32_to_cpu(cmd->bf_escape_timer)); | |
94 | IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n", | |
95 | le32_to_cpu(cmd->bf_roaming_energy_delta)); | |
96 | IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n", | |
97 | le32_to_cpu(cmd->bf_roaming_state)); | |
98 | IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n", | |
99 | le32_to_cpu(cmd->bf_temp_threshold)); | |
100 | IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n", | |
101 | le32_to_cpu(cmd->bf_temp_fast_filter)); | |
102 | IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n", | |
103 | le32_to_cpu(cmd->bf_temp_slow_filter)); | |
104 | ||
105 | return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags, | |
106 | sizeof(struct iwl_beacon_filter_cmd), cmd); | |
071d4990 AB |
107 | } |
108 | ||
a20fd398 AO |
109 | static |
110 | void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm, | |
111 | struct ieee80211_vif *vif, | |
112 | struct iwl_beacon_filter_cmd *cmd) | |
113 | { | |
114 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
115 | ||
116 | if (vif->bss_conf.cqm_rssi_thold) { | |
117 | cmd->bf_energy_delta = | |
118 | cpu_to_le32(vif->bss_conf.cqm_rssi_hyst); | |
119 | /* fw uses an absolute value for this */ | |
120 | cmd->bf_roaming_state = | |
121 | cpu_to_le32(-vif->bss_conf.cqm_rssi_thold); | |
122 | } | |
123 | cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled); | |
124 | } | |
125 | ||
3f0b2b3e | 126 | static void iwl_mvm_power_log(struct iwl_mvm *mvm, |
e811ada7 | 127 | struct iwl_mac_power_cmd *cmd) |
3f0b2b3e AB |
128 | { |
129 | IWL_DEBUG_POWER(mvm, | |
e811ada7 AB |
130 | "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n", |
131 | cmd->id_and_color, iwlmvm_mod_params.power_scheme, | |
3f0b2b3e | 132 | le16_to_cpu(cmd->flags)); |
e811ada7 AB |
133 | IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n", |
134 | le16_to_cpu(cmd->keep_alive_seconds)); | |
3f0b2b3e | 135 | |
e3c588ec AB |
136 | if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) { |
137 | IWL_DEBUG_POWER(mvm, "Disable power management\n"); | |
138 | return; | |
139 | } | |
140 | ||
141 | IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n", | |
142 | le32_to_cpu(cmd->rx_data_timeout)); | |
143 | IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n", | |
144 | le32_to_cpu(cmd->tx_data_timeout)); | |
145 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) | |
146 | IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n", | |
147 | cmd->skip_dtim_periods); | |
148 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) | |
149 | IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n", | |
150 | cmd->lprx_rssi_threshold); | |
151 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) { | |
152 | IWL_DEBUG_POWER(mvm, "uAPSD enabled\n"); | |
153 | IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n", | |
154 | le32_to_cpu(cmd->rx_data_timeout_uapsd)); | |
155 | IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n", | |
156 | le32_to_cpu(cmd->tx_data_timeout_uapsd)); | |
157 | IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid); | |
158 | IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags); | |
159 | IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp); | |
3f0b2b3e AB |
160 | } |
161 | } | |
162 | ||
175a70b7 AB |
163 | static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm, |
164 | struct ieee80211_vif *vif, | |
165 | struct iwl_mac_power_cmd *cmd) | |
166 | { | |
167 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
168 | enum ieee80211_ac_numbers ac; | |
169 | bool tid_found = false; | |
170 | ||
171 | for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) { | |
172 | if (!mvmvif->queue_params[ac].uapsd) | |
173 | continue; | |
174 | ||
175 | if (mvm->cur_ucode != IWL_UCODE_WOWLAN) | |
176 | cmd->flags |= | |
177 | cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); | |
178 | ||
179 | cmd->uapsd_ac_flags |= BIT(ac); | |
180 | ||
181 | /* QNDP TID - the highest TID with no admission control */ | |
182 | if (!tid_found && !mvmvif->queue_params[ac].acm) { | |
183 | tid_found = true; | |
184 | switch (ac) { | |
185 | case IEEE80211_AC_VO: | |
186 | cmd->qndp_tid = 6; | |
187 | break; | |
188 | case IEEE80211_AC_VI: | |
189 | cmd->qndp_tid = 5; | |
190 | break; | |
191 | case IEEE80211_AC_BE: | |
192 | cmd->qndp_tid = 0; | |
193 | break; | |
194 | case IEEE80211_AC_BK: | |
195 | cmd->qndp_tid = 1; | |
196 | break; | |
197 | } | |
198 | } | |
199 | } | |
200 | ||
84fd7608 EP |
201 | if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { |
202 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
203 | /* set advanced pm flag with no uapsd ACs to enable ps-poll */ | |
204 | if (mvmvif->dbgfs_pm.use_ps_poll) | |
205 | cmd->flags |= | |
206 | cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); | |
207 | #endif | |
175a70b7 | 208 | return; |
84fd7608 | 209 | } |
175a70b7 AB |
210 | |
211 | cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK); | |
212 | ||
213 | if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) | | |
214 | BIT(IEEE80211_AC_VI) | | |
215 | BIT(IEEE80211_AC_BE) | | |
216 | BIT(IEEE80211_AC_BK))) { | |
217 | cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); | |
218 | cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL); | |
219 | cmd->snooze_window = (mvm->cur_ucode == IWL_UCODE_WOWLAN) ? | |
220 | cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) : | |
221 | cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW); | |
222 | } | |
223 | ||
224 | cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP; | |
225 | ||
226 | if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags & | |
227 | cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { | |
228 | cmd->rx_data_timeout_uapsd = | |
229 | cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); | |
230 | cmd->tx_data_timeout_uapsd = | |
231 | cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); | |
232 | } else { | |
233 | cmd->rx_data_timeout_uapsd = | |
234 | cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT); | |
235 | cmd->tx_data_timeout_uapsd = | |
236 | cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT); | |
237 | } | |
238 | ||
239 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { | |
240 | cmd->heavy_tx_thld_packets = | |
241 | IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS; | |
242 | cmd->heavy_rx_thld_packets = | |
243 | IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS; | |
244 | } else { | |
245 | cmd->heavy_tx_thld_packets = | |
246 | IWL_MVM_PS_HEAVY_TX_THLD_PACKETS; | |
247 | cmd->heavy_rx_thld_packets = | |
248 | IWL_MVM_PS_HEAVY_RX_THLD_PACKETS; | |
249 | } | |
250 | cmd->heavy_tx_thld_percentage = | |
251 | IWL_MVM_PS_HEAVY_TX_THLD_PERCENT; | |
252 | cmd->heavy_rx_thld_percentage = | |
253 | IWL_MVM_PS_HEAVY_RX_THLD_PERCENT; | |
254 | } | |
255 | ||
c6e37a68 AA |
256 | static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, |
257 | struct ieee80211_vif *vif) | |
258 | { | |
259 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
260 | ||
261 | if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, | |
262 | ETH_ALEN)) | |
263 | return false; | |
264 | ||
265 | if (vif->p2p && | |
266 | !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD)) | |
267 | return false; | |
268 | /* | |
269 | * Avoid using uAPSD if P2P client is associated to GO that uses | |
270 | * opportunistic power save. This is due to current FW limitation. | |
271 | */ | |
272 | if (vif->p2p && | |
273 | (vif->bss_conf.p2p_noa_attr.oppps_ctwindow & | |
274 | IEEE80211_P2P_OPPPS_ENABLE_BIT)) | |
275 | return false; | |
276 | ||
0534528e AA |
277 | /* |
278 | * Avoid using uAPSD if client is in DCM - | |
279 | * low latency issue in Miracast | |
280 | */ | |
cf7b491d | 281 | if (iwl_mvm_phy_ctx_count(mvm) >= 2) |
0534528e AA |
282 | return false; |
283 | ||
c6e37a68 AA |
284 | return true; |
285 | } | |
286 | ||
e811ada7 AB |
287 | static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, |
288 | struct ieee80211_vif *vif, | |
289 | struct iwl_mac_power_cmd *cmd) | |
8ca151b5 JB |
290 | { |
291 | struct ieee80211_hw *hw = mvm->hw; | |
8ca151b5 JB |
292 | struct ieee80211_chanctx_conf *chanctx_conf; |
293 | struct ieee80211_channel *chan; | |
294 | int dtimper, dtimper_msec; | |
295 | int keep_alive; | |
296 | bool radar_detect = false; | |
b571a697 AB |
297 | struct iwl_mvm_vif *mvmvif __maybe_unused = |
298 | iwl_mvm_vif_from_mac80211(vif); | |
8ca151b5 | 299 | |
e811ada7 AB |
300 | cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, |
301 | mvmvif->color)); | |
302 | dtimper = hw->conf.ps_dtim_period ?: 1; | |
303 | ||
e16cf7ec AB |
304 | /* |
305 | * Regardless of power management state the driver must set | |
306 | * keep alive period. FW will use it for sending keep alive NDPs | |
e811ada7 AB |
307 | * immediately after association. Check that keep alive period |
308 | * is at least 3 * DTIM | |
e16cf7ec | 309 | */ |
e811ada7 AB |
310 | dtimper_msec = dtimper * vif->bss_conf.beacon_int; |
311 | keep_alive = max_t(int, 3 * dtimper_msec, | |
312 | MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC); | |
313 | keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC); | |
314 | cmd->keep_alive_seconds = cpu_to_le16(keep_alive); | |
e16cf7ec | 315 | |
e5e7aa8e | 316 | if (mvm->ps_disabled) |
8ca151b5 JB |
317 | return; |
318 | ||
9a613048 AB |
319 | cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); |
320 | ||
e5e7aa8e | 321 | if (!vif->bss_conf.ps || iwl_mvm_vif_low_latency(mvmvif) || |
19889025 | 322 | !mvmvif->pm_enabled) |
9a613048 AB |
323 | return; |
324 | ||
325 | cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK); | |
8ca151b5 | 326 | |
bd4ace2a AB |
327 | if (vif->bss_conf.beacon_rate && |
328 | (vif->bss_conf.beacon_rate->bitrate == 10 || | |
329 | vif->bss_conf.beacon_rate->bitrate == 60)) { | |
330 | cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); | |
e811ada7 | 331 | cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD; |
bd4ace2a AB |
332 | } |
333 | ||
8ca151b5 JB |
334 | /* Check if radar detection is required on current channel */ |
335 | rcu_read_lock(); | |
336 | chanctx_conf = rcu_dereference(vif->chanctx_conf); | |
337 | WARN_ON(!chanctx_conf); | |
338 | if (chanctx_conf) { | |
339 | chan = chanctx_conf->def.chan; | |
340 | radar_detect = chan->flags & IEEE80211_CHAN_RADAR; | |
341 | } | |
342 | rcu_read_unlock(); | |
343 | ||
344 | /* Check skip over DTIM conditions */ | |
345 | if (!radar_detect && (dtimper <= 10) && | |
ee1e8422 AB |
346 | (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP || |
347 | mvm->cur_ucode == IWL_UCODE_WOWLAN)) { | |
f4a3e2fe | 348 | cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); |
e811ada7 | 349 | cmd->skip_dtim_periods = 3; |
5b1dbfc3 | 350 | } |
8ca151b5 | 351 | |
ee1e8422 | 352 | if (mvm->cur_ucode != IWL_UCODE_WOWLAN) { |
99545924 JB |
353 | cmd->rx_data_timeout = |
354 | cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT); | |
355 | cmd->tx_data_timeout = | |
356 | cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT); | |
ee1e8422 | 357 | } else { |
99545924 JB |
358 | cmd->rx_data_timeout = |
359 | cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); | |
360 | cmd->tx_data_timeout = | |
361 | cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); | |
ee1e8422 | 362 | } |
b571a697 | 363 | |
c6e37a68 | 364 | if (iwl_mvm_power_allow_uapsd(mvm, vif)) |
175a70b7 | 365 | iwl_mvm_power_configure_uapsd(mvm, vif, cmd); |
e3c588ec | 366 | |
b571a697 AB |
367 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
368 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE) | |
e811ada7 AB |
369 | cmd->keep_alive_seconds = |
370 | cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds); | |
b571a697 AB |
371 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) { |
372 | if (mvmvif->dbgfs_pm.skip_over_dtim) | |
373 | cmd->flags |= | |
374 | cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); | |
375 | else | |
376 | cmd->flags &= | |
377 | cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK); | |
378 | } | |
379 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT) | |
380 | cmd->rx_data_timeout = | |
381 | cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout); | |
382 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT) | |
383 | cmd->tx_data_timeout = | |
384 | cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout); | |
385 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS) | |
e811ada7 | 386 | cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods; |
bd4ace2a AB |
387 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) { |
388 | if (mvmvif->dbgfs_pm.lprx_ena) | |
389 | cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); | |
390 | else | |
391 | cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK); | |
392 | } | |
393 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD) | |
e811ada7 | 394 | cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold; |
89716344 AB |
395 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) { |
396 | if (mvmvif->dbgfs_pm.snooze_ena) | |
397 | cmd->flags |= | |
398 | cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); | |
399 | else | |
400 | cmd->flags &= | |
401 | cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK); | |
402 | } | |
e45a941d AB |
403 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) { |
404 | u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK; | |
405 | if (mvmvif->dbgfs_pm.uapsd_misbehaving) | |
406 | cmd->flags |= cpu_to_le16(flag); | |
407 | else | |
408 | cmd->flags &= cpu_to_le16(flag); | |
409 | } | |
b571a697 | 410 | #endif /* CONFIG_IWLWIFI_DEBUGFS */ |
8ca151b5 JB |
411 | } |
412 | ||
e5e7aa8e | 413 | static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm, |
e811ada7 | 414 | struct ieee80211_vif *vif) |
8ca151b5 | 415 | { |
e811ada7 | 416 | struct iwl_mac_power_cmd cmd = {}; |
8ca151b5 | 417 | |
f4a3e2fe | 418 | iwl_mvm_power_build_cmd(mvm, vif, &cmd); |
3f0b2b3e | 419 | iwl_mvm_power_log(mvm, &cmd); |
474b50c3 EG |
420 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
421 | memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd)); | |
422 | #endif | |
8ca151b5 | 423 | |
a1022927 | 424 | return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0, |
06280a2b EG |
425 | sizeof(cmd), &cmd); |
426 | } | |
427 | ||
e5e7aa8e | 428 | int iwl_mvm_power_update_device(struct iwl_mvm *mvm) |
64b928c4 AB |
429 | { |
430 | struct iwl_device_power_cmd cmd = { | |
431 | .flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK), | |
432 | }; | |
433 | ||
e5e7aa8e EG |
434 | if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) |
435 | mvm->ps_disabled = true; | |
436 | ||
437 | if (mvm->ps_disabled) | |
64b928c4 AB |
438 | cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK); |
439 | ||
440 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
441 | if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 : | |
442 | mvm->disable_power_off) | |
443 | cmd.flags &= | |
444 | cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); | |
445 | #endif | |
446 | IWL_DEBUG_POWER(mvm, | |
447 | "Sending device power command with flags = 0x%X\n", | |
448 | cmd.flags); | |
449 | ||
a1022927 | 450 | return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd), |
64b928c4 AB |
451 | &cmd); |
452 | } | |
453 | ||
175a70b7 AB |
454 | void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif) |
455 | { | |
456 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
457 | ||
458 | if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid, | |
459 | ETH_ALEN)) | |
460 | memset(mvmvif->uapsd_misbehaving_bssid, 0, ETH_ALEN); | |
461 | } | |
462 | ||
463 | static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac, | |
464 | struct ieee80211_vif *vif) | |
465 | { | |
466 | u8 *ap_sta_id = _data; | |
467 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
468 | ||
469 | /* The ap_sta_id is not expected to change during current association | |
470 | * so no explicit protection is needed | |
471 | */ | |
472 | if (mvmvif->ap_sta_id == *ap_sta_id) | |
473 | memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, | |
474 | ETH_ALEN); | |
475 | } | |
476 | ||
477 | int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, | |
478 | struct iwl_rx_cmd_buffer *rxb, | |
479 | struct iwl_device_cmd *cmd) | |
480 | { | |
481 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
482 | struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data; | |
483 | u8 ap_sta_id = le32_to_cpu(notif->sta_id); | |
484 | ||
485 | ieee80211_iterate_active_interfaces_atomic( | |
486 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | |
487 | iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id); | |
488 | ||
489 | return 0; | |
490 | } | |
491 | ||
19889025 | 492 | struct iwl_power_vifs { |
fa3d07e4 | 493 | struct iwl_mvm *mvm; |
06280a2b | 494 | struct ieee80211_vif *bf_vif; |
e5e7aa8e | 495 | struct ieee80211_vif *bss_vif; |
8ea0c68f | 496 | struct ieee80211_vif *p2p_vif; |
19889025 AA |
497 | struct ieee80211_vif *ap_vif; |
498 | struct ieee80211_vif *monitor_vif; | |
499 | bool p2p_active; | |
500 | bool bss_active; | |
501 | bool ap_active; | |
502 | bool monitor_active; | |
fa3d07e4 AN |
503 | bool bss_tdls; |
504 | bool p2p_tdls; | |
06280a2b EG |
505 | }; |
506 | ||
128aa948 LC |
507 | static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac, |
508 | struct ieee80211_vif *vif) | |
1c2abf72 | 509 | { |
06280a2b | 510 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
e5e7aa8e | 511 | |
19889025 | 512 | mvmvif->pm_enabled = false; |
128aa948 LC |
513 | } |
514 | ||
515 | static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac, | |
516 | struct ieee80211_vif *vif) | |
517 | { | |
518 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
519 | struct iwl_power_vifs *power_iterator = _data; | |
520 | ||
e5e7aa8e EG |
521 | switch (ieee80211_vif_type_p2p(vif)) { |
522 | case NL80211_IFTYPE_P2P_DEVICE: | |
523 | break; | |
524 | ||
525 | case NL80211_IFTYPE_P2P_GO: | |
526 | case NL80211_IFTYPE_AP: | |
19889025 AA |
527 | /* only a single MAC of the same type */ |
528 | WARN_ON(power_iterator->ap_vif); | |
529 | power_iterator->ap_vif = vif; | |
530 | if (mvmvif->phy_ctxt) | |
531 | if (mvmvif->phy_ctxt->id < MAX_PHYS) | |
532 | power_iterator->ap_active = true; | |
e5e7aa8e EG |
533 | break; |
534 | ||
535 | case NL80211_IFTYPE_MONITOR: | |
19889025 AA |
536 | /* only a single MAC of the same type */ |
537 | WARN_ON(power_iterator->monitor_vif); | |
538 | power_iterator->monitor_vif = vif; | |
539 | if (mvmvif->phy_ctxt) | |
540 | if (mvmvif->phy_ctxt->id < MAX_PHYS) | |
541 | power_iterator->monitor_active = true; | |
e5e7aa8e EG |
542 | break; |
543 | ||
544 | case NL80211_IFTYPE_P2P_CLIENT: | |
19889025 | 545 | /* only a single MAC of the same type */ |
8ea0c68f AA |
546 | WARN_ON(power_iterator->p2p_vif); |
547 | power_iterator->p2p_vif = vif; | |
fa3d07e4 AN |
548 | power_iterator->p2p_tdls = |
549 | !!iwl_mvm_tdls_sta_count(power_iterator->mvm, vif); | |
19889025 AA |
550 | if (mvmvif->phy_ctxt) |
551 | if (mvmvif->phy_ctxt->id < MAX_PHYS) | |
552 | power_iterator->p2p_active = true; | |
e5e7aa8e EG |
553 | break; |
554 | ||
555 | case NL80211_IFTYPE_STATION: | |
19889025 | 556 | /* only a single MAC of the same type */ |
e5e7aa8e EG |
557 | WARN_ON(power_iterator->bss_vif); |
558 | power_iterator->bss_vif = vif; | |
fa3d07e4 AN |
559 | power_iterator->bss_tdls = |
560 | !!iwl_mvm_tdls_sta_count(power_iterator->mvm, vif); | |
19889025 AA |
561 | if (mvmvif->phy_ctxt) |
562 | if (mvmvif->phy_ctxt->id < MAX_PHYS) | |
563 | power_iterator->bss_active = true; | |
e5e7aa8e EG |
564 | |
565 | if (mvmvif->bf_data.bf_enabled && | |
566 | !WARN_ON(power_iterator->bf_vif)) | |
567 | power_iterator->bf_vif = vif; | |
7303dd7f | 568 | |
e5e7aa8e EG |
569 | break; |
570 | ||
571 | default: | |
572 | break; | |
573 | } | |
574 | } | |
1c2abf72 | 575 | |
b1873300 LC |
576 | static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm, |
577 | struct iwl_power_vifs *vifs) | |
e5e7aa8e | 578 | { |
19889025 AA |
579 | struct iwl_mvm_vif *bss_mvmvif = NULL; |
580 | struct iwl_mvm_vif *p2p_mvmvif = NULL; | |
581 | struct iwl_mvm_vif *ap_mvmvif = NULL; | |
582 | bool client_same_channel = false; | |
583 | bool ap_same_channel = false; | |
e5e7aa8e | 584 | |
19889025 | 585 | lockdep_assert_held(&mvm->mutex); |
06280a2b | 586 | |
128aa948 | 587 | /* set pm_enable to false */ |
e5e7aa8e | 588 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, |
128aa948 LC |
589 | IEEE80211_IFACE_ITER_NORMAL, |
590 | iwl_mvm_power_disable_pm_iterator, | |
591 | NULL); | |
19889025 AA |
592 | |
593 | if (vifs->bss_vif) | |
594 | bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif); | |
595 | ||
596 | if (vifs->p2p_vif) | |
597 | p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif); | |
598 | ||
599 | if (vifs->ap_vif) | |
600 | ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif); | |
601 | ||
602 | /* enable PM on bss if bss stand alone */ | |
fa3d07e4 AN |
603 | if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active && |
604 | !vifs->bss_tdls) { | |
19889025 AA |
605 | bss_mvmvif->pm_enabled = true; |
606 | return; | |
607 | } | |
608 | ||
609 | /* enable PM on p2p if p2p stand alone */ | |
fa3d07e4 AN |
610 | if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active && |
611 | !vifs->p2p_tdls) { | |
19889025 AA |
612 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM) |
613 | p2p_mvmvif->pm_enabled = true; | |
614 | return; | |
615 | } | |
616 | ||
617 | if (vifs->bss_active && vifs->p2p_active) | |
618 | client_same_channel = (bss_mvmvif->phy_ctxt->id == | |
619 | p2p_mvmvif->phy_ctxt->id); | |
620 | if (vifs->bss_active && vifs->ap_active) | |
621 | ap_same_channel = (bss_mvmvif->phy_ctxt->id == | |
622 | ap_mvmvif->phy_ctxt->id); | |
623 | ||
63ef81cf AA |
624 | /* clients are not stand alone: enable PM if DCM */ |
625 | if (!(client_same_channel || ap_same_channel) && | |
19889025 | 626 | (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) { |
63ef81cf | 627 | if (vifs->bss_active) |
19889025 | 628 | bss_mvmvif->pm_enabled = true; |
63ef81cf AA |
629 | if (vifs->p2p_active && |
630 | (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)) | |
631 | p2p_mvmvif->pm_enabled = true; | |
632 | return; | |
19889025 AA |
633 | } |
634 | ||
635 | /* | |
636 | * There is only one channel in the system and there are only | |
637 | * bss and p2p clients that share it | |
638 | */ | |
639 | if (client_same_channel && !vifs->ap_active && | |
640 | (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) { | |
641 | /* share same channel*/ | |
642 | bss_mvmvif->pm_enabled = true; | |
643 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM) | |
644 | p2p_mvmvif->pm_enabled = true; | |
645 | } | |
1c2abf72 AB |
646 | } |
647 | ||
b571a697 | 648 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
c1cb92fc EG |
649 | int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, |
650 | struct ieee80211_vif *vif, char *buf, | |
651 | int bufsz) | |
e811ada7 | 652 | { |
474b50c3 | 653 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
e811ada7 AB |
654 | struct iwl_mac_power_cmd cmd = {}; |
655 | int pos = 0; | |
656 | ||
474b50c3 EG |
657 | mutex_lock(&mvm->mutex); |
658 | memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd)); | |
659 | mutex_unlock(&mvm->mutex); | |
e811ada7 | 660 | |
e811ada7 AB |
661 | pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n", |
662 | iwlmvm_mod_params.power_scheme); | |
663 | pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n", | |
664 | le16_to_cpu(cmd.flags)); | |
665 | pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n", | |
666 | le16_to_cpu(cmd.keep_alive_seconds)); | |
667 | ||
175a70b7 AB |
668 | if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) |
669 | return pos; | |
670 | ||
671 | pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n", | |
672 | (cmd.flags & | |
673 | cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0); | |
674 | pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n", | |
675 | cmd.skip_dtim_periods); | |
676 | if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { | |
677 | pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n", | |
678 | le32_to_cpu(cmd.rx_data_timeout)); | |
679 | pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n", | |
680 | le32_to_cpu(cmd.tx_data_timeout)); | |
e811ada7 | 681 | } |
175a70b7 AB |
682 | if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) |
683 | pos += scnprintf(buf+pos, bufsz-pos, | |
684 | "lprx_rssi_threshold = %d\n", | |
685 | cmd.lprx_rssi_threshold); | |
686 | ||
687 | if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) | |
688 | return pos; | |
689 | ||
690 | pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n", | |
691 | le32_to_cpu(cmd.rx_data_timeout_uapsd)); | |
692 | pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n", | |
693 | le32_to_cpu(cmd.tx_data_timeout_uapsd)); | |
694 | pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid); | |
695 | pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n", | |
696 | cmd.uapsd_ac_flags); | |
697 | pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n", | |
698 | cmd.uapsd_max_sp); | |
699 | pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n", | |
700 | cmd.heavy_tx_thld_packets); | |
701 | pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n", | |
702 | cmd.heavy_rx_thld_packets); | |
703 | pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n", | |
704 | cmd.heavy_tx_thld_percentage); | |
705 | pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n", | |
706 | cmd.heavy_rx_thld_percentage); | |
707 | pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n", | |
708 | (cmd.flags & | |
709 | cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ? | |
710 | 1 : 0); | |
711 | ||
712 | if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK))) | |
713 | return pos; | |
714 | ||
715 | pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n", | |
716 | cmd.snooze_interval); | |
717 | pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n", | |
718 | cmd.snooze_window); | |
719 | ||
e811ada7 AB |
720 | return pos; |
721 | } | |
722 | ||
b571a697 AB |
723 | void |
724 | iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, | |
725 | struct iwl_beacon_filter_cmd *cmd) | |
726 | { | |
727 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
728 | struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; | |
729 | ||
730 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA) | |
5dca7c24 | 731 | cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta); |
b571a697 AB |
732 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA) |
733 | cmd->bf_roaming_energy_delta = | |
5dca7c24 | 734 | cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta); |
b571a697 | 735 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE) |
5dca7c24 HG |
736 | cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state); |
737 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD) | |
738 | cmd->bf_temp_threshold = | |
739 | cpu_to_le32(dbgfs_bf->bf_temp_threshold); | |
740 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER) | |
741 | cmd->bf_temp_fast_filter = | |
742 | cpu_to_le32(dbgfs_bf->bf_temp_fast_filter); | |
743 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER) | |
744 | cmd->bf_temp_slow_filter = | |
745 | cpu_to_le32(dbgfs_bf->bf_temp_slow_filter); | |
b571a697 | 746 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG) |
5dca7c24 | 747 | cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag); |
b571a697 AB |
748 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER) |
749 | cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer); | |
750 | if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER) | |
751 | cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer); | |
752 | if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT) | |
5dca7c24 HG |
753 | cmd->ba_enable_beacon_abort = |
754 | cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort); | |
b571a697 AB |
755 | } |
756 | #endif | |
757 | ||
3dd37d05 EP |
758 | static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, |
759 | struct ieee80211_vif *vif, | |
760 | struct iwl_beacon_filter_cmd *cmd, | |
761 | u32 cmd_flags, | |
762 | bool d0i3) | |
7df15b1e HG |
763 | { |
764 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
071d4990 | 765 | int ret; |
7df15b1e | 766 | |
fa7b2e7f | 767 | if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period || |
7df15b1e HG |
768 | vif->type != NL80211_IFTYPE_STATION || vif->p2p) |
769 | return 0; | |
770 | ||
3dd37d05 EP |
771 | iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd); |
772 | if (!d0i3) | |
773 | iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); | |
774 | ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags); | |
071d4990 | 775 | |
3dd37d05 EP |
776 | /* don't change bf_enabled in case of temporary d0i3 configuration */ |
777 | if (!ret && !d0i3) | |
a20fd398 | 778 | mvmvif->bf_data.bf_enabled = true; |
071d4990 AB |
779 | |
780 | return ret; | |
7df15b1e HG |
781 | } |
782 | ||
3dd37d05 EP |
783 | int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, |
784 | struct ieee80211_vif *vif, | |
785 | u32 flags) | |
786 | { | |
787 | struct iwl_beacon_filter_cmd cmd = { | |
788 | IWL_BF_CMD_CONFIG_DEFAULTS, | |
789 | .bf_enable_beacon_filter = cpu_to_le32(1), | |
790 | }; | |
791 | ||
792 | return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false); | |
793 | } | |
794 | ||
13b72322 EG |
795 | static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm, |
796 | struct ieee80211_vif *vif, | |
797 | bool enable) | |
fa7b2e7f AA |
798 | { |
799 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
800 | struct iwl_beacon_filter_cmd cmd = { | |
801 | IWL_BF_CMD_CONFIG_DEFAULTS, | |
802 | .bf_enable_beacon_filter = cpu_to_le32(1), | |
803 | }; | |
804 | ||
805 | if (!mvmvif->bf_data.bf_enabled) | |
806 | return 0; | |
807 | ||
808 | if (mvm->cur_ucode == IWL_UCODE_WOWLAN) | |
809 | cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3); | |
810 | ||
811 | mvmvif->bf_data.ba_enabled = enable; | |
812 | return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false); | |
813 | } | |
814 | ||
7df15b1e | 815 | int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, |
3dd37d05 EP |
816 | struct ieee80211_vif *vif, |
817 | u32 flags) | |
7df15b1e | 818 | { |
071d4990 AB |
819 | struct iwl_beacon_filter_cmd cmd = {}; |
820 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
821 | int ret; | |
7df15b1e | 822 | |
73e5f2c5 | 823 | if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) |
7df15b1e HG |
824 | return 0; |
825 | ||
3dd37d05 | 826 | ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags); |
071d4990 AB |
827 | |
828 | if (!ret) | |
a20fd398 | 829 | mvmvif->bf_data.bf_enabled = false; |
071d4990 AB |
830 | |
831 | return ret; | |
7df15b1e | 832 | } |
e811ada7 | 833 | |
128aa948 LC |
834 | static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm, |
835 | struct iwl_power_vifs *vifs) | |
13b72322 | 836 | { |
128aa948 | 837 | bool disable_ps; |
13b72322 EG |
838 | int ret; |
839 | ||
13b72322 | 840 | /* disable PS if CAM */ |
b1873300 LC |
841 | disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM); |
842 | /* ...or if there is an active monitor vif */ | |
128aa948 | 843 | disable_ps |= (vifs->monitor_vif && vifs->monitor_active); |
b1873300 LC |
844 | |
845 | /* update device power state if it has changed */ | |
846 | if (mvm->ps_disabled != disable_ps) { | |
847 | bool old_ps_disabled = mvm->ps_disabled; | |
848 | ||
849 | mvm->ps_disabled = disable_ps; | |
850 | ret = iwl_mvm_power_update_device(mvm); | |
851 | if (ret) { | |
852 | mvm->ps_disabled = old_ps_disabled; | |
853 | return ret; | |
13b72322 EG |
854 | } |
855 | } | |
856 | ||
128aa948 LC |
857 | return 0; |
858 | } | |
859 | ||
ef9203d2 LC |
860 | static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm, |
861 | struct iwl_power_vifs *vifs) | |
128aa948 LC |
862 | { |
863 | struct iwl_mvm_vif *mvmvif; | |
ef9203d2 LC |
864 | bool ba_enable; |
865 | ||
866 | if (!vifs->bf_vif) | |
867 | return 0; | |
868 | ||
869 | mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif); | |
870 | ||
871 | ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled || | |
872 | !vifs->bf_vif->bss_conf.ps || | |
873 | iwl_mvm_vif_low_latency(mvmvif)); | |
874 | ||
875 | return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable); | |
876 | } | |
877 | ||
878 | int iwl_mvm_power_update_ps(struct iwl_mvm *mvm) | |
879 | { | |
880 | struct iwl_power_vifs vifs = { | |
881 | .mvm = mvm, | |
882 | }; | |
883 | int ret; | |
884 | ||
885 | lockdep_assert_held(&mvm->mutex); | |
886 | ||
887 | /* get vifs info */ | |
888 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, | |
889 | IEEE80211_IFACE_ITER_NORMAL, | |
890 | iwl_mvm_power_get_vifs_iterator, &vifs); | |
891 | ||
892 | ret = iwl_mvm_power_set_ps(mvm, &vifs); | |
893 | if (ret) | |
894 | return ret; | |
895 | ||
896 | return iwl_mvm_power_set_ba(mvm, &vifs); | |
897 | } | |
898 | ||
899 | int iwl_mvm_power_update_mac(struct iwl_mvm *mvm) | |
900 | { | |
128aa948 LC |
901 | struct iwl_power_vifs vifs = { |
902 | .mvm = mvm, | |
903 | }; | |
128aa948 LC |
904 | int ret; |
905 | ||
906 | lockdep_assert_held(&mvm->mutex); | |
907 | ||
908 | /* get vifs info */ | |
909 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, | |
910 | IEEE80211_IFACE_ITER_NORMAL, | |
911 | iwl_mvm_power_get_vifs_iterator, &vifs); | |
912 | ||
913 | iwl_mvm_power_set_pm(mvm, &vifs); | |
914 | ||
915 | ret = iwl_mvm_power_set_ps(mvm, &vifs); | |
916 | if (ret) | |
917 | return ret; | |
918 | ||
13b72322 EG |
919 | if (vifs.bss_vif) { |
920 | ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif); | |
921 | if (ret) | |
922 | return ret; | |
923 | } | |
924 | ||
925 | if (vifs.p2p_vif) { | |
926 | ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif); | |
927 | if (ret) | |
928 | return ret; | |
929 | } | |
930 | ||
ef9203d2 | 931 | return iwl_mvm_power_set_ba(mvm, &vifs); |
13b72322 EG |
932 | } |
933 | ||
3dd37d05 EP |
934 | int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, |
935 | struct ieee80211_vif *vif, | |
936 | bool enable, u32 flags) | |
937 | { | |
938 | int ret; | |
939 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
940 | struct iwl_mac_power_cmd cmd = {}; | |
941 | ||
942 | if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) | |
943 | return 0; | |
944 | ||
945 | if (!vif->bss_conf.assoc) | |
946 | return 0; | |
947 | ||
948 | iwl_mvm_power_build_cmd(mvm, vif, &cmd); | |
949 | if (enable) { | |
950 | /* configure skip over dtim up to 300 msec */ | |
951 | int dtimper = mvm->hw->conf.ps_dtim_period ?: 1; | |
952 | int dtimper_msec = dtimper * vif->bss_conf.beacon_int; | |
953 | ||
954 | if (WARN_ON(!dtimper_msec)) | |
955 | return 0; | |
956 | ||
3dd37d05 | 957 | cmd.skip_dtim_periods = 300 / dtimper_msec; |
6f361058 EP |
958 | if (cmd.skip_dtim_periods) |
959 | cmd.flags |= | |
960 | cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); | |
3dd37d05 EP |
961 | } |
962 | iwl_mvm_power_log(mvm, &cmd); | |
474b50c3 EG |
963 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
964 | memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd)); | |
965 | #endif | |
3dd37d05 EP |
966 | ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags, |
967 | sizeof(cmd), &cmd); | |
968 | if (ret) | |
969 | return ret; | |
970 | ||
971 | /* configure beacon filtering */ | |
972 | if (mvmvif != mvm->bf_allowed_vif) | |
973 | return 0; | |
974 | ||
975 | if (enable) { | |
976 | struct iwl_beacon_filter_cmd cmd_bf = { | |
977 | IWL_BF_CMD_CONFIG_D0I3, | |
978 | .bf_enable_beacon_filter = cpu_to_le32(1), | |
979 | }; | |
980 | ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf, | |
981 | flags, true); | |
982 | } else { | |
983 | if (mvmvif->bf_data.bf_enabled) | |
984 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags); | |
985 | else | |
986 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags); | |
987 | } | |
988 | ||
989 | return ret; | |
990 | } |