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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. |
8b4139dc | 9 | * Copyright(c) 2013 - 2014 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. |
8b4139dc | 35 | * Copyright(c) 2013 - 2014 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 | ||
66 | #include <linux/kernel.h> | |
67 | #include <linux/module.h> | |
68 | #include <linux/slab.h> | |
8ca151b5 JB |
69 | |
70 | #include <net/mac80211.h> | |
71 | ||
72 | #include "iwl-debug.h" | |
73 | #include "mvm.h" | |
74 | #include "iwl-modparams.h" | |
75 | #include "fw-api-power.h" | |
76 | ||
77 | #define POWER_KEEP_ALIVE_PERIOD_SEC 25 | |
78 | ||
d623d24a | 79 | static |
e811ada7 | 80 | int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, |
3dd37d05 EP |
81 | struct iwl_beacon_filter_cmd *cmd, |
82 | u32 flags) | |
071d4990 | 83 | { |
d623d24a EG |
84 | IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n", |
85 | le32_to_cpu(cmd->ba_enable_beacon_abort)); | |
86 | IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n", | |
87 | le32_to_cpu(cmd->ba_escape_timer)); | |
88 | IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n", | |
89 | le32_to_cpu(cmd->bf_debug_flag)); | |
90 | IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n", | |
91 | le32_to_cpu(cmd->bf_enable_beacon_filter)); | |
92 | IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n", | |
93 | le32_to_cpu(cmd->bf_energy_delta)); | |
94 | IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n", | |
95 | le32_to_cpu(cmd->bf_escape_timer)); | |
96 | IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n", | |
97 | le32_to_cpu(cmd->bf_roaming_energy_delta)); | |
98 | IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n", | |
99 | le32_to_cpu(cmd->bf_roaming_state)); | |
100 | IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n", | |
101 | le32_to_cpu(cmd->bf_temp_threshold)); | |
102 | IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n", | |
103 | le32_to_cpu(cmd->bf_temp_fast_filter)); | |
104 | IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n", | |
105 | le32_to_cpu(cmd->bf_temp_slow_filter)); | |
106 | ||
107 | return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags, | |
108 | sizeof(struct iwl_beacon_filter_cmd), cmd); | |
071d4990 AB |
109 | } |
110 | ||
a20fd398 AO |
111 | static |
112 | void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm, | |
113 | struct ieee80211_vif *vif, | |
114 | struct iwl_beacon_filter_cmd *cmd) | |
115 | { | |
116 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
117 | ||
118 | if (vif->bss_conf.cqm_rssi_thold) { | |
119 | cmd->bf_energy_delta = | |
120 | cpu_to_le32(vif->bss_conf.cqm_rssi_hyst); | |
121 | /* fw uses an absolute value for this */ | |
122 | cmd->bf_roaming_state = | |
123 | cpu_to_le32(-vif->bss_conf.cqm_rssi_thold); | |
124 | } | |
125 | cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled); | |
126 | } | |
127 | ||
3f0b2b3e | 128 | static void iwl_mvm_power_log(struct iwl_mvm *mvm, |
e811ada7 | 129 | struct iwl_mac_power_cmd *cmd) |
3f0b2b3e AB |
130 | { |
131 | IWL_DEBUG_POWER(mvm, | |
e811ada7 AB |
132 | "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n", |
133 | cmd->id_and_color, iwlmvm_mod_params.power_scheme, | |
3f0b2b3e | 134 | le16_to_cpu(cmd->flags)); |
e811ada7 AB |
135 | IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n", |
136 | le16_to_cpu(cmd->keep_alive_seconds)); | |
3f0b2b3e | 137 | |
e3c588ec AB |
138 | if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) { |
139 | IWL_DEBUG_POWER(mvm, "Disable power management\n"); | |
140 | return; | |
141 | } | |
142 | ||
143 | IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n", | |
144 | le32_to_cpu(cmd->rx_data_timeout)); | |
145 | IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n", | |
146 | le32_to_cpu(cmd->tx_data_timeout)); | |
147 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) | |
148 | IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n", | |
149 | cmd->skip_dtim_periods); | |
150 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) | |
151 | IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n", | |
152 | cmd->lprx_rssi_threshold); | |
153 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) { | |
154 | IWL_DEBUG_POWER(mvm, "uAPSD enabled\n"); | |
155 | IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n", | |
156 | le32_to_cpu(cmd->rx_data_timeout_uapsd)); | |
157 | IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n", | |
158 | le32_to_cpu(cmd->tx_data_timeout_uapsd)); | |
159 | IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid); | |
160 | IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags); | |
161 | IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp); | |
3f0b2b3e AB |
162 | } |
163 | } | |
164 | ||
175a70b7 AB |
165 | static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm, |
166 | struct ieee80211_vif *vif, | |
167 | struct iwl_mac_power_cmd *cmd) | |
168 | { | |
169 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
170 | enum ieee80211_ac_numbers ac; | |
171 | bool tid_found = false; | |
172 | ||
173 | for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) { | |
174 | if (!mvmvif->queue_params[ac].uapsd) | |
175 | continue; | |
176 | ||
177 | if (mvm->cur_ucode != IWL_UCODE_WOWLAN) | |
178 | cmd->flags |= | |
179 | cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); | |
180 | ||
181 | cmd->uapsd_ac_flags |= BIT(ac); | |
182 | ||
183 | /* QNDP TID - the highest TID with no admission control */ | |
184 | if (!tid_found && !mvmvif->queue_params[ac].acm) { | |
185 | tid_found = true; | |
186 | switch (ac) { | |
187 | case IEEE80211_AC_VO: | |
188 | cmd->qndp_tid = 6; | |
189 | break; | |
190 | case IEEE80211_AC_VI: | |
191 | cmd->qndp_tid = 5; | |
192 | break; | |
193 | case IEEE80211_AC_BE: | |
194 | cmd->qndp_tid = 0; | |
195 | break; | |
196 | case IEEE80211_AC_BK: | |
197 | cmd->qndp_tid = 1; | |
198 | break; | |
199 | } | |
200 | } | |
201 | } | |
202 | ||
84fd7608 EP |
203 | if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { |
204 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
205 | /* set advanced pm flag with no uapsd ACs to enable ps-poll */ | |
206 | if (mvmvif->dbgfs_pm.use_ps_poll) | |
207 | cmd->flags |= | |
208 | cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); | |
209 | #endif | |
175a70b7 | 210 | return; |
84fd7608 | 211 | } |
175a70b7 AB |
212 | |
213 | cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK); | |
214 | ||
215 | if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) | | |
216 | BIT(IEEE80211_AC_VI) | | |
217 | BIT(IEEE80211_AC_BE) | | |
218 | BIT(IEEE80211_AC_BK))) { | |
219 | cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); | |
220 | cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL); | |
221 | cmd->snooze_window = (mvm->cur_ucode == IWL_UCODE_WOWLAN) ? | |
222 | cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) : | |
223 | cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW); | |
224 | } | |
225 | ||
226 | cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP; | |
227 | ||
228 | if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags & | |
229 | cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { | |
230 | cmd->rx_data_timeout_uapsd = | |
231 | cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); | |
232 | cmd->tx_data_timeout_uapsd = | |
233 | cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); | |
234 | } else { | |
235 | cmd->rx_data_timeout_uapsd = | |
236 | cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT); | |
237 | cmd->tx_data_timeout_uapsd = | |
238 | cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT); | |
239 | } | |
240 | ||
241 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { | |
242 | cmd->heavy_tx_thld_packets = | |
243 | IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS; | |
244 | cmd->heavy_rx_thld_packets = | |
245 | IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS; | |
246 | } else { | |
247 | cmd->heavy_tx_thld_packets = | |
248 | IWL_MVM_PS_HEAVY_TX_THLD_PACKETS; | |
249 | cmd->heavy_rx_thld_packets = | |
250 | IWL_MVM_PS_HEAVY_RX_THLD_PACKETS; | |
251 | } | |
252 | cmd->heavy_tx_thld_percentage = | |
253 | IWL_MVM_PS_HEAVY_TX_THLD_PERCENT; | |
254 | cmd->heavy_rx_thld_percentage = | |
255 | IWL_MVM_PS_HEAVY_RX_THLD_PERCENT; | |
256 | } | |
257 | ||
c6e37a68 AA |
258 | static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, |
259 | struct ieee80211_vif *vif) | |
260 | { | |
261 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
262 | ||
263 | if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, | |
264 | ETH_ALEN)) | |
265 | return false; | |
266 | ||
267 | if (vif->p2p && | |
268 | !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD)) | |
269 | return false; | |
270 | /* | |
271 | * Avoid using uAPSD if P2P client is associated to GO that uses | |
272 | * opportunistic power save. This is due to current FW limitation. | |
273 | */ | |
274 | if (vif->p2p && | |
275 | (vif->bss_conf.p2p_noa_attr.oppps_ctwindow & | |
276 | IEEE80211_P2P_OPPPS_ENABLE_BIT)) | |
277 | return false; | |
278 | ||
0534528e AA |
279 | /* |
280 | * Avoid using uAPSD if client is in DCM - | |
281 | * low latency issue in Miracast | |
282 | */ | |
cf7b491d | 283 | if (iwl_mvm_phy_ctx_count(mvm) >= 2) |
0534528e AA |
284 | return false; |
285 | ||
c6e37a68 AA |
286 | return true; |
287 | } | |
288 | ||
49c6d802 AA |
289 | static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif) |
290 | { | |
291 | struct ieee80211_chanctx_conf *chanctx_conf; | |
292 | struct ieee80211_channel *chan; | |
293 | bool radar_detect = false; | |
294 | ||
295 | rcu_read_lock(); | |
296 | chanctx_conf = rcu_dereference(vif->chanctx_conf); | |
297 | WARN_ON(!chanctx_conf); | |
298 | if (chanctx_conf) { | |
299 | chan = chanctx_conf->def.chan; | |
300 | radar_detect = chan->flags & IEEE80211_CHAN_RADAR; | |
301 | } | |
302 | rcu_read_unlock(); | |
303 | ||
304 | return radar_detect; | |
305 | } | |
306 | ||
e811ada7 AB |
307 | static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, |
308 | struct ieee80211_vif *vif, | |
309 | struct iwl_mac_power_cmd *cmd) | |
8ca151b5 | 310 | { |
8ca151b5 JB |
311 | int dtimper, dtimper_msec; |
312 | int keep_alive; | |
313 | bool radar_detect = false; | |
b571a697 AB |
314 | struct iwl_mvm_vif *mvmvif __maybe_unused = |
315 | iwl_mvm_vif_from_mac80211(vif); | |
8ca151b5 | 316 | |
e811ada7 AB |
317 | cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, |
318 | mvmvif->color)); | |
717e2390 | 319 | dtimper = vif->bss_conf.dtim_period; |
e811ada7 | 320 | |
e16cf7ec AB |
321 | /* |
322 | * Regardless of power management state the driver must set | |
323 | * keep alive period. FW will use it for sending keep alive NDPs | |
e811ada7 AB |
324 | * immediately after association. Check that keep alive period |
325 | * is at least 3 * DTIM | |
e16cf7ec | 326 | */ |
e811ada7 AB |
327 | dtimper_msec = dtimper * vif->bss_conf.beacon_int; |
328 | keep_alive = max_t(int, 3 * dtimper_msec, | |
329 | MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC); | |
330 | keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC); | |
331 | cmd->keep_alive_seconds = cpu_to_le16(keep_alive); | |
e16cf7ec | 332 | |
e5e7aa8e | 333 | if (mvm->ps_disabled) |
8ca151b5 JB |
334 | return; |
335 | ||
9a613048 AB |
336 | cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); |
337 | ||
e5e7aa8e | 338 | if (!vif->bss_conf.ps || iwl_mvm_vif_low_latency(mvmvif) || |
9474d444 | 339 | !mvmvif->pm_enabled || iwl_mvm_tdls_sta_count(mvm, vif)) |
9a613048 AB |
340 | return; |
341 | ||
342 | cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK); | |
8ca151b5 | 343 | |
bd4ace2a AB |
344 | if (vif->bss_conf.beacon_rate && |
345 | (vif->bss_conf.beacon_rate->bitrate == 10 || | |
346 | vif->bss_conf.beacon_rate->bitrate == 60)) { | |
347 | cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); | |
e811ada7 | 348 | cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD; |
bd4ace2a AB |
349 | } |
350 | ||
8ca151b5 | 351 | /* Check if radar detection is required on current channel */ |
49c6d802 | 352 | radar_detect = iwl_mvm_power_is_radar(vif); |
8ca151b5 JB |
353 | |
354 | /* Check skip over DTIM conditions */ | |
355 | if (!radar_detect && (dtimper <= 10) && | |
ee1e8422 AB |
356 | (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP || |
357 | mvm->cur_ucode == IWL_UCODE_WOWLAN)) { | |
f4a3e2fe | 358 | cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); |
e811ada7 | 359 | cmd->skip_dtim_periods = 3; |
5b1dbfc3 | 360 | } |
8ca151b5 | 361 | |
ee1e8422 | 362 | if (mvm->cur_ucode != IWL_UCODE_WOWLAN) { |
99545924 JB |
363 | cmd->rx_data_timeout = |
364 | cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT); | |
365 | cmd->tx_data_timeout = | |
366 | cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT); | |
ee1e8422 | 367 | } else { |
99545924 JB |
368 | cmd->rx_data_timeout = |
369 | cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); | |
370 | cmd->tx_data_timeout = | |
371 | cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); | |
ee1e8422 | 372 | } |
b571a697 | 373 | |
c6e37a68 | 374 | if (iwl_mvm_power_allow_uapsd(mvm, vif)) |
175a70b7 | 375 | iwl_mvm_power_configure_uapsd(mvm, vif, cmd); |
e3c588ec | 376 | |
b571a697 AB |
377 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
378 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE) | |
e811ada7 AB |
379 | cmd->keep_alive_seconds = |
380 | cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds); | |
b571a697 AB |
381 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) { |
382 | if (mvmvif->dbgfs_pm.skip_over_dtim) | |
383 | cmd->flags |= | |
384 | cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); | |
385 | else | |
386 | cmd->flags &= | |
387 | cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK); | |
388 | } | |
389 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT) | |
390 | cmd->rx_data_timeout = | |
391 | cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout); | |
392 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT) | |
393 | cmd->tx_data_timeout = | |
394 | cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout); | |
395 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS) | |
e811ada7 | 396 | cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods; |
bd4ace2a AB |
397 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) { |
398 | if (mvmvif->dbgfs_pm.lprx_ena) | |
399 | cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); | |
400 | else | |
401 | cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK); | |
402 | } | |
403 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD) | |
e811ada7 | 404 | cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold; |
89716344 AB |
405 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) { |
406 | if (mvmvif->dbgfs_pm.snooze_ena) | |
407 | cmd->flags |= | |
408 | cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); | |
409 | else | |
410 | cmd->flags &= | |
411 | cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK); | |
412 | } | |
e45a941d AB |
413 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) { |
414 | u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK; | |
415 | if (mvmvif->dbgfs_pm.uapsd_misbehaving) | |
416 | cmd->flags |= cpu_to_le16(flag); | |
417 | else | |
418 | cmd->flags &= cpu_to_le16(flag); | |
419 | } | |
b571a697 | 420 | #endif /* CONFIG_IWLWIFI_DEBUGFS */ |
8ca151b5 JB |
421 | } |
422 | ||
e5e7aa8e | 423 | static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm, |
e811ada7 | 424 | struct ieee80211_vif *vif) |
8ca151b5 | 425 | { |
e811ada7 | 426 | struct iwl_mac_power_cmd cmd = {}; |
8ca151b5 | 427 | |
f4a3e2fe | 428 | iwl_mvm_power_build_cmd(mvm, vif, &cmd); |
3f0b2b3e | 429 | iwl_mvm_power_log(mvm, &cmd); |
474b50c3 EG |
430 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
431 | memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd)); | |
432 | #endif | |
8ca151b5 | 433 | |
a1022927 | 434 | return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0, |
06280a2b EG |
435 | sizeof(cmd), &cmd); |
436 | } | |
437 | ||
e5e7aa8e | 438 | int iwl_mvm_power_update_device(struct iwl_mvm *mvm) |
64b928c4 AB |
439 | { |
440 | struct iwl_device_power_cmd cmd = { | |
441 | .flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK), | |
442 | }; | |
443 | ||
e5e7aa8e EG |
444 | if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) |
445 | mvm->ps_disabled = true; | |
446 | ||
447 | if (mvm->ps_disabled) | |
64b928c4 AB |
448 | cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK); |
449 | ||
450 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
451 | if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 : | |
452 | mvm->disable_power_off) | |
453 | cmd.flags &= | |
454 | cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); | |
455 | #endif | |
456 | IWL_DEBUG_POWER(mvm, | |
457 | "Sending device power command with flags = 0x%X\n", | |
458 | cmd.flags); | |
459 | ||
a1022927 | 460 | return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd), |
64b928c4 AB |
461 | &cmd); |
462 | } | |
463 | ||
175a70b7 AB |
464 | void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif) |
465 | { | |
466 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
467 | ||
468 | if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid, | |
469 | ETH_ALEN)) | |
470 | memset(mvmvif->uapsd_misbehaving_bssid, 0, ETH_ALEN); | |
471 | } | |
472 | ||
473 | static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac, | |
474 | struct ieee80211_vif *vif) | |
475 | { | |
476 | u8 *ap_sta_id = _data; | |
477 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
478 | ||
479 | /* The ap_sta_id is not expected to change during current association | |
480 | * so no explicit protection is needed | |
481 | */ | |
482 | if (mvmvif->ap_sta_id == *ap_sta_id) | |
483 | memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, | |
484 | ETH_ALEN); | |
485 | } | |
486 | ||
487 | int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, | |
488 | struct iwl_rx_cmd_buffer *rxb, | |
489 | struct iwl_device_cmd *cmd) | |
490 | { | |
491 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
492 | struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data; | |
493 | u8 ap_sta_id = le32_to_cpu(notif->sta_id); | |
494 | ||
495 | ieee80211_iterate_active_interfaces_atomic( | |
496 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | |
497 | iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id); | |
498 | ||
499 | return 0; | |
500 | } | |
501 | ||
19889025 | 502 | struct iwl_power_vifs { |
fa3d07e4 | 503 | struct iwl_mvm *mvm; |
06280a2b | 504 | struct ieee80211_vif *bf_vif; |
e5e7aa8e | 505 | struct ieee80211_vif *bss_vif; |
8ea0c68f | 506 | struct ieee80211_vif *p2p_vif; |
19889025 AA |
507 | struct ieee80211_vif *ap_vif; |
508 | struct ieee80211_vif *monitor_vif; | |
509 | bool p2p_active; | |
510 | bool bss_active; | |
511 | bool ap_active; | |
512 | bool monitor_active; | |
06280a2b EG |
513 | }; |
514 | ||
128aa948 LC |
515 | static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac, |
516 | struct ieee80211_vif *vif) | |
1c2abf72 | 517 | { |
06280a2b | 518 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
e5e7aa8e | 519 | |
19889025 | 520 | mvmvif->pm_enabled = false; |
128aa948 LC |
521 | } |
522 | ||
2533edce LC |
523 | static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac, |
524 | struct ieee80211_vif *vif) | |
525 | { | |
526 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
527 | bool *disable_ps = _data; | |
528 | ||
529 | if (mvmvif->phy_ctxt) | |
530 | if (mvmvif->phy_ctxt->id < MAX_PHYS) | |
531 | *disable_ps |= mvmvif->ps_disabled; | |
532 | } | |
533 | ||
128aa948 LC |
534 | static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac, |
535 | struct ieee80211_vif *vif) | |
536 | { | |
537 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
538 | struct iwl_power_vifs *power_iterator = _data; | |
539 | ||
e5e7aa8e EG |
540 | switch (ieee80211_vif_type_p2p(vif)) { |
541 | case NL80211_IFTYPE_P2P_DEVICE: | |
542 | break; | |
543 | ||
544 | case NL80211_IFTYPE_P2P_GO: | |
545 | case NL80211_IFTYPE_AP: | |
19889025 AA |
546 | /* only a single MAC of the same type */ |
547 | WARN_ON(power_iterator->ap_vif); | |
548 | power_iterator->ap_vif = vif; | |
549 | if (mvmvif->phy_ctxt) | |
550 | if (mvmvif->phy_ctxt->id < MAX_PHYS) | |
551 | power_iterator->ap_active = true; | |
e5e7aa8e EG |
552 | break; |
553 | ||
554 | case NL80211_IFTYPE_MONITOR: | |
19889025 AA |
555 | /* only a single MAC of the same type */ |
556 | WARN_ON(power_iterator->monitor_vif); | |
557 | power_iterator->monitor_vif = vif; | |
558 | if (mvmvif->phy_ctxt) | |
559 | if (mvmvif->phy_ctxt->id < MAX_PHYS) | |
560 | power_iterator->monitor_active = true; | |
e5e7aa8e EG |
561 | break; |
562 | ||
563 | case NL80211_IFTYPE_P2P_CLIENT: | |
19889025 | 564 | /* only a single MAC of the same type */ |
8ea0c68f AA |
565 | WARN_ON(power_iterator->p2p_vif); |
566 | power_iterator->p2p_vif = vif; | |
19889025 AA |
567 | if (mvmvif->phy_ctxt) |
568 | if (mvmvif->phy_ctxt->id < MAX_PHYS) | |
569 | power_iterator->p2p_active = true; | |
e5e7aa8e EG |
570 | break; |
571 | ||
572 | case NL80211_IFTYPE_STATION: | |
19889025 | 573 | /* only a single MAC of the same type */ |
e5e7aa8e EG |
574 | WARN_ON(power_iterator->bss_vif); |
575 | power_iterator->bss_vif = vif; | |
19889025 AA |
576 | if (mvmvif->phy_ctxt) |
577 | if (mvmvif->phy_ctxt->id < MAX_PHYS) | |
578 | power_iterator->bss_active = true; | |
e5e7aa8e EG |
579 | |
580 | if (mvmvif->bf_data.bf_enabled && | |
581 | !WARN_ON(power_iterator->bf_vif)) | |
582 | power_iterator->bf_vif = vif; | |
7303dd7f | 583 | |
e5e7aa8e EG |
584 | break; |
585 | ||
586 | default: | |
587 | break; | |
588 | } | |
589 | } | |
1c2abf72 | 590 | |
b1873300 LC |
591 | static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm, |
592 | struct iwl_power_vifs *vifs) | |
e5e7aa8e | 593 | { |
19889025 AA |
594 | struct iwl_mvm_vif *bss_mvmvif = NULL; |
595 | struct iwl_mvm_vif *p2p_mvmvif = NULL; | |
596 | struct iwl_mvm_vif *ap_mvmvif = NULL; | |
597 | bool client_same_channel = false; | |
598 | bool ap_same_channel = false; | |
e5e7aa8e | 599 | |
19889025 | 600 | lockdep_assert_held(&mvm->mutex); |
06280a2b | 601 | |
128aa948 | 602 | /* set pm_enable to false */ |
e5e7aa8e | 603 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, |
128aa948 LC |
604 | IEEE80211_IFACE_ITER_NORMAL, |
605 | iwl_mvm_power_disable_pm_iterator, | |
606 | NULL); | |
19889025 AA |
607 | |
608 | if (vifs->bss_vif) | |
609 | bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif); | |
610 | ||
611 | if (vifs->p2p_vif) | |
612 | p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif); | |
613 | ||
614 | if (vifs->ap_vif) | |
615 | ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif); | |
616 | ||
617 | /* enable PM on bss if bss stand alone */ | |
9474d444 | 618 | if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) { |
19889025 AA |
619 | bss_mvmvif->pm_enabled = true; |
620 | return; | |
621 | } | |
622 | ||
623 | /* enable PM on p2p if p2p stand alone */ | |
9474d444 | 624 | if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) { |
19889025 AA |
625 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM) |
626 | p2p_mvmvif->pm_enabled = true; | |
627 | return; | |
628 | } | |
629 | ||
630 | if (vifs->bss_active && vifs->p2p_active) | |
631 | client_same_channel = (bss_mvmvif->phy_ctxt->id == | |
632 | p2p_mvmvif->phy_ctxt->id); | |
633 | if (vifs->bss_active && vifs->ap_active) | |
634 | ap_same_channel = (bss_mvmvif->phy_ctxt->id == | |
635 | ap_mvmvif->phy_ctxt->id); | |
636 | ||
63ef81cf AA |
637 | /* clients are not stand alone: enable PM if DCM */ |
638 | if (!(client_same_channel || ap_same_channel) && | |
19889025 | 639 | (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) { |
63ef81cf | 640 | if (vifs->bss_active) |
19889025 | 641 | bss_mvmvif->pm_enabled = true; |
63ef81cf AA |
642 | if (vifs->p2p_active && |
643 | (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)) | |
644 | p2p_mvmvif->pm_enabled = true; | |
645 | return; | |
19889025 AA |
646 | } |
647 | ||
648 | /* | |
649 | * There is only one channel in the system and there are only | |
650 | * bss and p2p clients that share it | |
651 | */ | |
652 | if (client_same_channel && !vifs->ap_active && | |
653 | (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) { | |
654 | /* share same channel*/ | |
655 | bss_mvmvif->pm_enabled = true; | |
656 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM) | |
657 | p2p_mvmvif->pm_enabled = true; | |
658 | } | |
1c2abf72 AB |
659 | } |
660 | ||
b571a697 | 661 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
c1cb92fc EG |
662 | int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, |
663 | struct ieee80211_vif *vif, char *buf, | |
664 | int bufsz) | |
e811ada7 | 665 | { |
474b50c3 | 666 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
e811ada7 AB |
667 | struct iwl_mac_power_cmd cmd = {}; |
668 | int pos = 0; | |
669 | ||
474b50c3 EG |
670 | mutex_lock(&mvm->mutex); |
671 | memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd)); | |
672 | mutex_unlock(&mvm->mutex); | |
e811ada7 | 673 | |
e811ada7 AB |
674 | pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n", |
675 | iwlmvm_mod_params.power_scheme); | |
676 | pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n", | |
677 | le16_to_cpu(cmd.flags)); | |
678 | pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n", | |
679 | le16_to_cpu(cmd.keep_alive_seconds)); | |
680 | ||
175a70b7 AB |
681 | if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) |
682 | return pos; | |
683 | ||
684 | pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n", | |
685 | (cmd.flags & | |
686 | cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0); | |
687 | pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n", | |
688 | cmd.skip_dtim_periods); | |
689 | if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { | |
690 | pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n", | |
691 | le32_to_cpu(cmd.rx_data_timeout)); | |
692 | pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n", | |
693 | le32_to_cpu(cmd.tx_data_timeout)); | |
e811ada7 | 694 | } |
175a70b7 AB |
695 | if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) |
696 | pos += scnprintf(buf+pos, bufsz-pos, | |
697 | "lprx_rssi_threshold = %d\n", | |
698 | cmd.lprx_rssi_threshold); | |
699 | ||
700 | if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) | |
701 | return pos; | |
702 | ||
703 | pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n", | |
704 | le32_to_cpu(cmd.rx_data_timeout_uapsd)); | |
705 | pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n", | |
706 | le32_to_cpu(cmd.tx_data_timeout_uapsd)); | |
707 | pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid); | |
708 | pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n", | |
709 | cmd.uapsd_ac_flags); | |
710 | pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n", | |
711 | cmd.uapsd_max_sp); | |
712 | pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n", | |
713 | cmd.heavy_tx_thld_packets); | |
714 | pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n", | |
715 | cmd.heavy_rx_thld_packets); | |
716 | pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n", | |
717 | cmd.heavy_tx_thld_percentage); | |
718 | pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n", | |
719 | cmd.heavy_rx_thld_percentage); | |
720 | pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n", | |
721 | (cmd.flags & | |
722 | cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ? | |
723 | 1 : 0); | |
724 | ||
725 | if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK))) | |
726 | return pos; | |
727 | ||
728 | pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n", | |
729 | cmd.snooze_interval); | |
730 | pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n", | |
731 | cmd.snooze_window); | |
732 | ||
e811ada7 AB |
733 | return pos; |
734 | } | |
735 | ||
b571a697 AB |
736 | void |
737 | iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, | |
738 | struct iwl_beacon_filter_cmd *cmd) | |
739 | { | |
740 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
741 | struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; | |
742 | ||
743 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA) | |
5dca7c24 | 744 | cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta); |
b571a697 AB |
745 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA) |
746 | cmd->bf_roaming_energy_delta = | |
5dca7c24 | 747 | cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta); |
b571a697 | 748 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE) |
5dca7c24 HG |
749 | cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state); |
750 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD) | |
751 | cmd->bf_temp_threshold = | |
752 | cpu_to_le32(dbgfs_bf->bf_temp_threshold); | |
753 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER) | |
754 | cmd->bf_temp_fast_filter = | |
755 | cpu_to_le32(dbgfs_bf->bf_temp_fast_filter); | |
756 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER) | |
757 | cmd->bf_temp_slow_filter = | |
758 | cpu_to_le32(dbgfs_bf->bf_temp_slow_filter); | |
b571a697 | 759 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG) |
5dca7c24 | 760 | cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag); |
b571a697 AB |
761 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER) |
762 | cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer); | |
763 | if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER) | |
764 | cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer); | |
765 | if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT) | |
5dca7c24 HG |
766 | cmd->ba_enable_beacon_abort = |
767 | cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort); | |
b571a697 AB |
768 | } |
769 | #endif | |
770 | ||
3dd37d05 EP |
771 | static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, |
772 | struct ieee80211_vif *vif, | |
773 | struct iwl_beacon_filter_cmd *cmd, | |
774 | u32 cmd_flags, | |
775 | bool d0i3) | |
7df15b1e HG |
776 | { |
777 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
071d4990 | 778 | int ret; |
7df15b1e | 779 | |
fa7b2e7f | 780 | if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period || |
7df15b1e HG |
781 | vif->type != NL80211_IFTYPE_STATION || vif->p2p) |
782 | return 0; | |
783 | ||
3dd37d05 EP |
784 | iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd); |
785 | if (!d0i3) | |
786 | iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); | |
787 | ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags); | |
071d4990 | 788 | |
3dd37d05 EP |
789 | /* don't change bf_enabled in case of temporary d0i3 configuration */ |
790 | if (!ret && !d0i3) | |
a20fd398 | 791 | mvmvif->bf_data.bf_enabled = true; |
071d4990 AB |
792 | |
793 | return ret; | |
7df15b1e HG |
794 | } |
795 | ||
3dd37d05 EP |
796 | int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, |
797 | struct ieee80211_vif *vif, | |
798 | u32 flags) | |
799 | { | |
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 | return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false); | |
806 | } | |
807 | ||
13b72322 EG |
808 | static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm, |
809 | struct ieee80211_vif *vif, | |
810 | bool enable) | |
fa7b2e7f AA |
811 | { |
812 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
813 | struct iwl_beacon_filter_cmd cmd = { | |
814 | IWL_BF_CMD_CONFIG_DEFAULTS, | |
815 | .bf_enable_beacon_filter = cpu_to_le32(1), | |
816 | }; | |
817 | ||
818 | if (!mvmvif->bf_data.bf_enabled) | |
819 | return 0; | |
820 | ||
821 | if (mvm->cur_ucode == IWL_UCODE_WOWLAN) | |
822 | cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3); | |
823 | ||
824 | mvmvif->bf_data.ba_enabled = enable; | |
825 | return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false); | |
826 | } | |
827 | ||
7df15b1e | 828 | int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, |
3dd37d05 EP |
829 | struct ieee80211_vif *vif, |
830 | u32 flags) | |
7df15b1e | 831 | { |
071d4990 AB |
832 | struct iwl_beacon_filter_cmd cmd = {}; |
833 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
834 | int ret; | |
7df15b1e | 835 | |
73e5f2c5 | 836 | if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) |
7df15b1e HG |
837 | return 0; |
838 | ||
3dd37d05 | 839 | ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags); |
071d4990 AB |
840 | |
841 | if (!ret) | |
a20fd398 | 842 | mvmvif->bf_data.bf_enabled = false; |
071d4990 AB |
843 | |
844 | return ret; | |
7df15b1e | 845 | } |
e811ada7 | 846 | |
2533edce | 847 | static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm) |
13b72322 | 848 | { |
128aa948 | 849 | bool disable_ps; |
13b72322 EG |
850 | int ret; |
851 | ||
13b72322 | 852 | /* disable PS if CAM */ |
b1873300 | 853 | disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM); |
2533edce LC |
854 | /* ...or if any of the vifs require PS to be off */ |
855 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, | |
856 | IEEE80211_IFACE_ITER_NORMAL, | |
857 | iwl_mvm_power_ps_disabled_iterator, | |
858 | &disable_ps); | |
b1873300 LC |
859 | |
860 | /* update device power state if it has changed */ | |
861 | if (mvm->ps_disabled != disable_ps) { | |
862 | bool old_ps_disabled = mvm->ps_disabled; | |
863 | ||
864 | mvm->ps_disabled = disable_ps; | |
865 | ret = iwl_mvm_power_update_device(mvm); | |
866 | if (ret) { | |
867 | mvm->ps_disabled = old_ps_disabled; | |
868 | return ret; | |
13b72322 EG |
869 | } |
870 | } | |
871 | ||
128aa948 LC |
872 | return 0; |
873 | } | |
874 | ||
ef9203d2 LC |
875 | static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm, |
876 | struct iwl_power_vifs *vifs) | |
128aa948 LC |
877 | { |
878 | struct iwl_mvm_vif *mvmvif; | |
ef9203d2 LC |
879 | bool ba_enable; |
880 | ||
881 | if (!vifs->bf_vif) | |
882 | return 0; | |
883 | ||
884 | mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif); | |
885 | ||
886 | ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled || | |
887 | !vifs->bf_vif->bss_conf.ps || | |
888 | iwl_mvm_vif_low_latency(mvmvif)); | |
889 | ||
890 | return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable); | |
891 | } | |
892 | ||
893 | int iwl_mvm_power_update_ps(struct iwl_mvm *mvm) | |
894 | { | |
895 | struct iwl_power_vifs vifs = { | |
896 | .mvm = mvm, | |
897 | }; | |
898 | int ret; | |
899 | ||
900 | lockdep_assert_held(&mvm->mutex); | |
901 | ||
902 | /* get vifs info */ | |
903 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, | |
904 | IEEE80211_IFACE_ITER_NORMAL, | |
905 | iwl_mvm_power_get_vifs_iterator, &vifs); | |
906 | ||
2533edce | 907 | ret = iwl_mvm_power_set_ps(mvm); |
ef9203d2 LC |
908 | if (ret) |
909 | return ret; | |
910 | ||
911 | return iwl_mvm_power_set_ba(mvm, &vifs); | |
912 | } | |
913 | ||
914 | int iwl_mvm_power_update_mac(struct iwl_mvm *mvm) | |
915 | { | |
128aa948 LC |
916 | struct iwl_power_vifs vifs = { |
917 | .mvm = mvm, | |
918 | }; | |
128aa948 LC |
919 | int ret; |
920 | ||
921 | lockdep_assert_held(&mvm->mutex); | |
922 | ||
923 | /* get vifs info */ | |
924 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, | |
925 | IEEE80211_IFACE_ITER_NORMAL, | |
926 | iwl_mvm_power_get_vifs_iterator, &vifs); | |
927 | ||
928 | iwl_mvm_power_set_pm(mvm, &vifs); | |
929 | ||
2533edce | 930 | ret = iwl_mvm_power_set_ps(mvm); |
128aa948 LC |
931 | if (ret) |
932 | return ret; | |
933 | ||
13b72322 EG |
934 | if (vifs.bss_vif) { |
935 | ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif); | |
936 | if (ret) | |
937 | return ret; | |
938 | } | |
939 | ||
940 | if (vifs.p2p_vif) { | |
941 | ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif); | |
942 | if (ret) | |
943 | return ret; | |
944 | } | |
945 | ||
ef9203d2 | 946 | return iwl_mvm_power_set_ba(mvm, &vifs); |
13b72322 EG |
947 | } |
948 | ||
3dd37d05 EP |
949 | int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, |
950 | struct ieee80211_vif *vif, | |
951 | bool enable, u32 flags) | |
952 | { | |
953 | int ret; | |
954 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
955 | struct iwl_mac_power_cmd cmd = {}; | |
956 | ||
957 | if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) | |
958 | return 0; | |
959 | ||
960 | if (!vif->bss_conf.assoc) | |
961 | return 0; | |
962 | ||
963 | iwl_mvm_power_build_cmd(mvm, vif, &cmd); | |
964 | if (enable) { | |
49c6d802 | 965 | /* configure skip over dtim up to 306TU - 314 msec */ |
717e2390 | 966 | int dtimper = vif->bss_conf.dtim_period ?: 1; |
49c6d802 AA |
967 | int dtimper_tu = dtimper * vif->bss_conf.beacon_int; |
968 | bool radar_detect = iwl_mvm_power_is_radar(vif); | |
3dd37d05 | 969 | |
49c6d802 | 970 | if (WARN_ON(!dtimper_tu)) |
3dd37d05 EP |
971 | return 0; |
972 | ||
49c6d802 AA |
973 | /* Check skip over DTIM conditions */ |
974 | /* TODO: check that multicast wake lock is off */ | |
975 | if (!radar_detect && (dtimper < 10)) { | |
976 | cmd.skip_dtim_periods = 306 / dtimper_tu; | |
977 | if (cmd.skip_dtim_periods) | |
978 | cmd.flags |= cpu_to_le16( | |
979 | POWER_FLAGS_SKIP_OVER_DTIM_MSK); | |
980 | } | |
3dd37d05 EP |
981 | } |
982 | iwl_mvm_power_log(mvm, &cmd); | |
474b50c3 EG |
983 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
984 | memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd)); | |
985 | #endif | |
3dd37d05 EP |
986 | ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags, |
987 | sizeof(cmd), &cmd); | |
988 | if (ret) | |
989 | return ret; | |
990 | ||
991 | /* configure beacon filtering */ | |
992 | if (mvmvif != mvm->bf_allowed_vif) | |
993 | return 0; | |
994 | ||
995 | if (enable) { | |
996 | struct iwl_beacon_filter_cmd cmd_bf = { | |
997 | IWL_BF_CMD_CONFIG_D0I3, | |
998 | .bf_enable_beacon_filter = cpu_to_le32(1), | |
999 | }; | |
1000 | ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf, | |
1001 | flags, true); | |
1002 | } else { | |
1003 | if (mvmvif->bf_data.bf_enabled) | |
1004 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags); | |
1005 | else | |
1006 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags); | |
1007 | } | |
1008 | ||
1009 | return ret; | |
1010 | } |