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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 | * | |
8 | * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. | |
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 | * | |
33 | * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. | |
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> | |
67 | #include <linux/init.h> | |
68 | ||
69 | #include <net/mac80211.h> | |
70 | ||
71 | #include "iwl-debug.h" | |
72 | #include "mvm.h" | |
73 | #include "iwl-modparams.h" | |
74 | #include "fw-api-power.h" | |
75 | ||
76 | #define POWER_KEEP_ALIVE_PERIOD_SEC 25 | |
77 | ||
e811ada7 AB |
78 | int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, |
79 | struct iwl_beacon_filter_cmd *cmd) | |
071d4990 AB |
80 | { |
81 | int ret; | |
82 | ||
83 | ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, CMD_SYNC, | |
84 | sizeof(struct iwl_beacon_filter_cmd), cmd); | |
85 | ||
86 | if (!ret) { | |
87 | IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n", | |
5dca7c24 | 88 | le32_to_cpu(cmd->ba_enable_beacon_abort)); |
071d4990 | 89 | IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n", |
5dca7c24 | 90 | le32_to_cpu(cmd->ba_escape_timer)); |
071d4990 | 91 | IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n", |
5dca7c24 | 92 | le32_to_cpu(cmd->bf_debug_flag)); |
071d4990 | 93 | IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n", |
5dca7c24 | 94 | le32_to_cpu(cmd->bf_enable_beacon_filter)); |
071d4990 | 95 | IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n", |
5dca7c24 | 96 | le32_to_cpu(cmd->bf_energy_delta)); |
071d4990 | 97 | IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n", |
5dca7c24 | 98 | le32_to_cpu(cmd->bf_escape_timer)); |
071d4990 | 99 | IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n", |
5dca7c24 | 100 | le32_to_cpu(cmd->bf_roaming_energy_delta)); |
071d4990 | 101 | IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n", |
5dca7c24 HG |
102 | le32_to_cpu(cmd->bf_roaming_state)); |
103 | IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n", | |
104 | le32_to_cpu(cmd->bf_temp_threshold)); | |
105 | IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n", | |
106 | le32_to_cpu(cmd->bf_temp_fast_filter)); | |
107 | IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n", | |
108 | le32_to_cpu(cmd->bf_temp_slow_filter)); | |
071d4990 AB |
109 | } |
110 | return ret; | |
111 | } | |
112 | ||
a20fd398 AO |
113 | static |
114 | void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm, | |
115 | struct ieee80211_vif *vif, | |
116 | struct iwl_beacon_filter_cmd *cmd) | |
117 | { | |
118 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
119 | ||
120 | if (vif->bss_conf.cqm_rssi_thold) { | |
121 | cmd->bf_energy_delta = | |
122 | cpu_to_le32(vif->bss_conf.cqm_rssi_hyst); | |
123 | /* fw uses an absolute value for this */ | |
124 | cmd->bf_roaming_state = | |
125 | cpu_to_le32(-vif->bss_conf.cqm_rssi_thold); | |
126 | } | |
127 | cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled); | |
128 | } | |
129 | ||
e811ada7 AB |
130 | int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm, |
131 | struct ieee80211_vif *vif, bool enable) | |
071d4990 AB |
132 | { |
133 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
134 | struct iwl_beacon_filter_cmd cmd = { | |
135 | IWL_BF_CMD_CONFIG_DEFAULTS, | |
5dca7c24 HG |
136 | .bf_enable_beacon_filter = cpu_to_le32(1), |
137 | .ba_enable_beacon_abort = cpu_to_le32(enable), | |
071d4990 AB |
138 | }; |
139 | ||
a20fd398 | 140 | if (!mvmvif->bf_data.bf_enabled) |
071d4990 AB |
141 | return 0; |
142 | ||
8434925f AB |
143 | if (mvm->cur_ucode == IWL_UCODE_WOWLAN) |
144 | cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3); | |
145 | ||
a20fd398 AO |
146 | mvmvif->bf_data.ba_enabled = enable; |
147 | iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, &cmd); | |
b571a697 | 148 | iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd); |
071d4990 AB |
149 | return iwl_mvm_beacon_filter_send_cmd(mvm, &cmd); |
150 | } | |
151 | ||
3f0b2b3e | 152 | static void iwl_mvm_power_log(struct iwl_mvm *mvm, |
e811ada7 | 153 | struct iwl_mac_power_cmd *cmd) |
3f0b2b3e AB |
154 | { |
155 | IWL_DEBUG_POWER(mvm, | |
e811ada7 AB |
156 | "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n", |
157 | cmd->id_and_color, iwlmvm_mod_params.power_scheme, | |
3f0b2b3e | 158 | le16_to_cpu(cmd->flags)); |
e811ada7 AB |
159 | IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n", |
160 | le16_to_cpu(cmd->keep_alive_seconds)); | |
3f0b2b3e | 161 | |
e3c588ec AB |
162 | if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) { |
163 | IWL_DEBUG_POWER(mvm, "Disable power management\n"); | |
164 | return; | |
165 | } | |
166 | ||
167 | IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n", | |
168 | le32_to_cpu(cmd->rx_data_timeout)); | |
169 | IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n", | |
170 | le32_to_cpu(cmd->tx_data_timeout)); | |
171 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) | |
172 | IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n", | |
173 | cmd->skip_dtim_periods); | |
174 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) | |
175 | IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n", | |
176 | cmd->lprx_rssi_threshold); | |
177 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) { | |
178 | IWL_DEBUG_POWER(mvm, "uAPSD enabled\n"); | |
179 | IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n", | |
180 | le32_to_cpu(cmd->rx_data_timeout_uapsd)); | |
181 | IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n", | |
182 | le32_to_cpu(cmd->tx_data_timeout_uapsd)); | |
183 | IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid); | |
184 | IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags); | |
185 | IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp); | |
3f0b2b3e AB |
186 | } |
187 | } | |
188 | ||
e811ada7 AB |
189 | static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, |
190 | struct ieee80211_vif *vif, | |
191 | struct iwl_mac_power_cmd *cmd) | |
8ca151b5 JB |
192 | { |
193 | struct ieee80211_hw *hw = mvm->hw; | |
8ca151b5 JB |
194 | struct ieee80211_chanctx_conf *chanctx_conf; |
195 | struct ieee80211_channel *chan; | |
196 | int dtimper, dtimper_msec; | |
197 | int keep_alive; | |
198 | bool radar_detect = false; | |
b571a697 AB |
199 | struct iwl_mvm_vif *mvmvif __maybe_unused = |
200 | iwl_mvm_vif_from_mac80211(vif); | |
e3c588ec AB |
201 | enum ieee80211_ac_numbers ac; |
202 | bool tid_found = false; | |
8ca151b5 | 203 | |
e811ada7 AB |
204 | cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, |
205 | mvmvif->color)); | |
206 | dtimper = hw->conf.ps_dtim_period ?: 1; | |
207 | ||
e16cf7ec AB |
208 | /* |
209 | * Regardless of power management state the driver must set | |
210 | * keep alive period. FW will use it for sending keep alive NDPs | |
e811ada7 AB |
211 | * immediately after association. Check that keep alive period |
212 | * is at least 3 * DTIM | |
e16cf7ec | 213 | */ |
e811ada7 AB |
214 | dtimper_msec = dtimper * vif->bss_conf.beacon_int; |
215 | keep_alive = max_t(int, 3 * dtimper_msec, | |
216 | MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC); | |
217 | keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC); | |
218 | cmd->keep_alive_seconds = cpu_to_le16(keep_alive); | |
e16cf7ec | 219 | |
ade50652 | 220 | if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) |
8ca151b5 JB |
221 | return; |
222 | ||
9a613048 AB |
223 | cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); |
224 | ||
b571a697 AB |
225 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
226 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF && | |
227 | mvmvif->dbgfs_pm.disable_power_off) | |
228 | cmd->flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK); | |
229 | #endif | |
9a613048 AB |
230 | if (!vif->bss_conf.ps) |
231 | return; | |
232 | ||
233 | cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK); | |
8ca151b5 | 234 | |
bd4ace2a AB |
235 | if (vif->bss_conf.beacon_rate && |
236 | (vif->bss_conf.beacon_rate->bitrate == 10 || | |
237 | vif->bss_conf.beacon_rate->bitrate == 60)) { | |
238 | cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); | |
e811ada7 | 239 | cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD; |
bd4ace2a AB |
240 | } |
241 | ||
8ca151b5 JB |
242 | /* Check if radar detection is required on current channel */ |
243 | rcu_read_lock(); | |
244 | chanctx_conf = rcu_dereference(vif->chanctx_conf); | |
245 | WARN_ON(!chanctx_conf); | |
246 | if (chanctx_conf) { | |
247 | chan = chanctx_conf->def.chan; | |
248 | radar_detect = chan->flags & IEEE80211_CHAN_RADAR; | |
249 | } | |
250 | rcu_read_unlock(); | |
251 | ||
252 | /* Check skip over DTIM conditions */ | |
253 | if (!radar_detect && (dtimper <= 10) && | |
ee1e8422 AB |
254 | (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP || |
255 | mvm->cur_ucode == IWL_UCODE_WOWLAN)) { | |
f4a3e2fe | 256 | cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); |
e811ada7 | 257 | cmd->skip_dtim_periods = 3; |
5b1dbfc3 | 258 | } |
8ca151b5 | 259 | |
ee1e8422 | 260 | if (mvm->cur_ucode != IWL_UCODE_WOWLAN) { |
99545924 JB |
261 | cmd->rx_data_timeout = |
262 | cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT); | |
263 | cmd->tx_data_timeout = | |
264 | cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT); | |
ee1e8422 | 265 | } else { |
99545924 JB |
266 | cmd->rx_data_timeout = |
267 | cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); | |
268 | cmd->tx_data_timeout = | |
269 | cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); | |
ee1e8422 | 270 | } |
b571a697 | 271 | |
e3c588ec AB |
272 | for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) { |
273 | if (!mvmvif->queue_params[ac].uapsd) | |
274 | continue; | |
275 | ||
276 | cmd->flags |= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); | |
277 | cmd->uapsd_ac_flags |= BIT(ac); | |
278 | ||
279 | /* QNDP TID - the highest TID with no admission control */ | |
280 | if (!tid_found && !mvmvif->queue_params[ac].acm) { | |
281 | tid_found = true; | |
282 | switch (ac) { | |
283 | case IEEE80211_AC_VO: | |
284 | cmd->qndp_tid = 6; | |
285 | break; | |
286 | case IEEE80211_AC_VI: | |
287 | cmd->qndp_tid = 5; | |
288 | break; | |
289 | case IEEE80211_AC_BE: | |
290 | cmd->qndp_tid = 0; | |
291 | break; | |
292 | case IEEE80211_AC_BK: | |
293 | cmd->qndp_tid = 1; | |
294 | break; | |
295 | } | |
296 | } | |
297 | } | |
298 | ||
299 | if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) { | |
300 | cmd->rx_data_timeout_uapsd = | |
301 | cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT); | |
302 | cmd->tx_data_timeout_uapsd = | |
303 | cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT); | |
89716344 AB |
304 | |
305 | if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) | | |
306 | BIT(IEEE80211_AC_VI) | | |
307 | BIT(IEEE80211_AC_BE) | | |
308 | BIT(IEEE80211_AC_BK))) { | |
309 | cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); | |
310 | cmd->snooze_interval = | |
311 | cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL); | |
312 | cmd->snooze_window = | |
313 | (mvm->cur_ucode == IWL_UCODE_WOWLAN) ? | |
314 | cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) : | |
315 | cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW); | |
316 | } | |
317 | ||
e3c588ec AB |
318 | cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP; |
319 | cmd->heavy_tx_thld_packets = | |
320 | IWL_MVM_PS_HEAVY_TX_THLD_PACKETS; | |
321 | cmd->heavy_rx_thld_packets = | |
322 | IWL_MVM_PS_HEAVY_RX_THLD_PACKETS; | |
323 | cmd->heavy_tx_thld_percentage = | |
324 | IWL_MVM_PS_HEAVY_TX_THLD_PERCENT; | |
325 | cmd->heavy_rx_thld_percentage = | |
326 | IWL_MVM_PS_HEAVY_RX_THLD_PERCENT; | |
327 | } | |
328 | ||
b571a697 AB |
329 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
330 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE) | |
e811ada7 AB |
331 | cmd->keep_alive_seconds = |
332 | cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds); | |
b571a697 AB |
333 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) { |
334 | if (mvmvif->dbgfs_pm.skip_over_dtim) | |
335 | cmd->flags |= | |
336 | cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); | |
337 | else | |
338 | cmd->flags &= | |
339 | cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK); | |
340 | } | |
341 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT) | |
342 | cmd->rx_data_timeout = | |
343 | cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout); | |
344 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT) | |
345 | cmd->tx_data_timeout = | |
346 | cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout); | |
347 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS) | |
e811ada7 | 348 | cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods; |
bd4ace2a AB |
349 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) { |
350 | if (mvmvif->dbgfs_pm.lprx_ena) | |
351 | cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK); | |
352 | else | |
353 | cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK); | |
354 | } | |
355 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD) | |
e811ada7 | 356 | cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold; |
89716344 AB |
357 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) { |
358 | if (mvmvif->dbgfs_pm.snooze_ena) | |
359 | cmd->flags |= | |
360 | cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); | |
361 | else | |
362 | cmd->flags &= | |
363 | cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK); | |
364 | } | |
b571a697 | 365 | #endif /* CONFIG_IWLWIFI_DEBUGFS */ |
8ca151b5 JB |
366 | } |
367 | ||
e811ada7 AB |
368 | static int iwl_mvm_power_mac_update_mode(struct iwl_mvm *mvm, |
369 | struct ieee80211_vif *vif) | |
8ca151b5 | 370 | { |
071d4990 AB |
371 | int ret; |
372 | bool ba_enable; | |
e811ada7 | 373 | struct iwl_mac_power_cmd cmd = {}; |
8ca151b5 | 374 | |
8ca151b5 JB |
375 | if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) |
376 | return 0; | |
377 | ||
4bf881f5 AB |
378 | /* |
379 | * TODO: The following vif_count verification is temporary condition. | |
380 | * Avoid power mode update if more than one interface is currently | |
381 | * active. Remove this condition when FW will support power management | |
382 | * on multiple MACs. | |
383 | */ | |
384 | IWL_DEBUG_POWER(mvm, "Currently %d interfaces active\n", | |
385 | mvm->vif_count); | |
386 | if (mvm->vif_count > 1) | |
387 | return 0; | |
388 | ||
f4a3e2fe | 389 | iwl_mvm_power_build_cmd(mvm, vif, &cmd); |
3f0b2b3e | 390 | iwl_mvm_power_log(mvm, &cmd); |
8ca151b5 | 391 | |
e811ada7 | 392 | ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, CMD_SYNC, |
071d4990 AB |
393 | sizeof(cmd), &cmd); |
394 | if (ret) | |
395 | return ret; | |
396 | ||
397 | ba_enable = !!(cmd.flags & | |
398 | cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)); | |
399 | ||
400 | return iwl_mvm_update_beacon_abort(mvm, vif, ba_enable); | |
8ca151b5 JB |
401 | } |
402 | ||
e811ada7 AB |
403 | static int iwl_mvm_power_mac_disable(struct iwl_mvm *mvm, |
404 | struct ieee80211_vif *vif) | |
8ca151b5 | 405 | { |
e811ada7 | 406 | struct iwl_mac_power_cmd cmd = {}; |
b571a697 AB |
407 | struct iwl_mvm_vif *mvmvif __maybe_unused = |
408 | iwl_mvm_vif_from_mac80211(vif); | |
8ca151b5 | 409 | |
8ca151b5 JB |
410 | if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) |
411 | return 0; | |
412 | ||
e811ada7 AB |
413 | cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, |
414 | mvmvif->color)); | |
415 | ||
ade50652 | 416 | if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) |
9a613048 AB |
417 | cmd.flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); |
418 | ||
b571a697 AB |
419 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
420 | if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF && | |
421 | mvmvif->dbgfs_pm.disable_power_off) | |
422 | cmd.flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK); | |
423 | #endif | |
3f0b2b3e | 424 | iwl_mvm_power_log(mvm, &cmd); |
8ca151b5 | 425 | |
e811ada7 | 426 | return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, CMD_ASYNC, |
8ca151b5 JB |
427 | sizeof(cmd), &cmd); |
428 | } | |
7df15b1e | 429 | |
b571a697 | 430 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
e811ada7 AB |
431 | static int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, |
432 | struct ieee80211_vif *vif, char *buf, | |
433 | int bufsz) | |
434 | { | |
435 | struct iwl_mac_power_cmd cmd = {}; | |
436 | int pos = 0; | |
437 | ||
438 | iwl_mvm_power_build_cmd(mvm, vif, &cmd); | |
439 | ||
440 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off = %d\n", | |
441 | (cmd.flags & | |
442 | cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK)) ? | |
443 | 0 : 1); | |
e811ada7 AB |
444 | pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n", |
445 | iwlmvm_mod_params.power_scheme); | |
446 | pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n", | |
447 | le16_to_cpu(cmd.flags)); | |
448 | pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n", | |
449 | le16_to_cpu(cmd.keep_alive_seconds)); | |
450 | ||
451 | if (cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) { | |
452 | pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n", | |
453 | (cmd.flags & | |
454 | cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? | |
455 | 1 : 0); | |
e3c588ec AB |
456 | pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n", |
457 | cmd.skip_dtim_periods); | |
458 | if (!(cmd.flags & | |
459 | cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { | |
460 | pos += scnprintf(buf+pos, bufsz-pos, | |
461 | "rx_data_timeout = %d\n", | |
462 | le32_to_cpu(cmd.rx_data_timeout)); | |
463 | pos += scnprintf(buf+pos, bufsz-pos, | |
464 | "tx_data_timeout = %d\n", | |
465 | le32_to_cpu(cmd.tx_data_timeout)); | |
466 | } | |
e811ada7 AB |
467 | if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) |
468 | pos += scnprintf(buf+pos, bufsz-pos, | |
469 | "lprx_rssi_threshold = %d\n", | |
470 | cmd.lprx_rssi_threshold); | |
e3c588ec AB |
471 | if (cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) { |
472 | pos += | |
473 | scnprintf(buf+pos, bufsz-pos, | |
474 | "rx_data_timeout_uapsd = %d\n", | |
475 | le32_to_cpu(cmd.rx_data_timeout_uapsd)); | |
476 | pos += | |
477 | scnprintf(buf+pos, bufsz-pos, | |
478 | "tx_data_timeout_uapsd = %d\n", | |
479 | le32_to_cpu(cmd.tx_data_timeout_uapsd)); | |
480 | pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", | |
481 | cmd.qndp_tid); | |
482 | pos += scnprintf(buf+pos, bufsz-pos, | |
483 | "uapsd_ac_flags = 0x%x\n", | |
484 | cmd.uapsd_ac_flags); | |
485 | pos += scnprintf(buf+pos, bufsz-pos, | |
486 | "uapsd_max_sp = %d\n", | |
487 | cmd.uapsd_max_sp); | |
488 | pos += scnprintf(buf+pos, bufsz-pos, | |
489 | "heavy_tx_thld_packets = %d\n", | |
490 | cmd.heavy_tx_thld_packets); | |
491 | pos += scnprintf(buf+pos, bufsz-pos, | |
492 | "heavy_rx_thld_packets = %d\n", | |
493 | cmd.heavy_rx_thld_packets); | |
494 | pos += scnprintf(buf+pos, bufsz-pos, | |
495 | "heavy_tx_thld_percentage = %d\n", | |
496 | cmd.heavy_tx_thld_percentage); | |
497 | pos += scnprintf(buf+pos, bufsz-pos, | |
498 | "heavy_rx_thld_percentage = %d\n", | |
499 | cmd.heavy_rx_thld_percentage); | |
89716344 AB |
500 | pos += |
501 | scnprintf(buf+pos, bufsz-pos, "snooze_enable = %d\n", | |
502 | (cmd.flags & | |
503 | cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) ? | |
504 | 1 : 0); | |
505 | } | |
506 | if (cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { | |
507 | pos += scnprintf(buf+pos, bufsz-pos, | |
508 | "snooze_interval = %d\n", | |
509 | cmd.snooze_interval); | |
510 | pos += scnprintf(buf+pos, bufsz-pos, | |
511 | "snooze_window = %d\n", | |
512 | cmd.snooze_window); | |
e3c588ec | 513 | } |
e811ada7 AB |
514 | } |
515 | return pos; | |
516 | } | |
517 | ||
b571a697 AB |
518 | void |
519 | iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, | |
520 | struct iwl_beacon_filter_cmd *cmd) | |
521 | { | |
522 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
523 | struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; | |
524 | ||
525 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA) | |
5dca7c24 | 526 | cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta); |
b571a697 AB |
527 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA) |
528 | cmd->bf_roaming_energy_delta = | |
5dca7c24 | 529 | cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta); |
b571a697 | 530 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE) |
5dca7c24 HG |
531 | cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state); |
532 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD) | |
533 | cmd->bf_temp_threshold = | |
534 | cpu_to_le32(dbgfs_bf->bf_temp_threshold); | |
535 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER) | |
536 | cmd->bf_temp_fast_filter = | |
537 | cpu_to_le32(dbgfs_bf->bf_temp_fast_filter); | |
538 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER) | |
539 | cmd->bf_temp_slow_filter = | |
540 | cpu_to_le32(dbgfs_bf->bf_temp_slow_filter); | |
b571a697 | 541 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG) |
5dca7c24 | 542 | cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag); |
b571a697 AB |
543 | if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER) |
544 | cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer); | |
545 | if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER) | |
546 | cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer); | |
547 | if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT) | |
5dca7c24 HG |
548 | cmd->ba_enable_beacon_abort = |
549 | cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort); | |
b571a697 AB |
550 | } |
551 | #endif | |
552 | ||
7df15b1e HG |
553 | int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, |
554 | struct ieee80211_vif *vif) | |
555 | { | |
556 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
557 | struct iwl_beacon_filter_cmd cmd = { | |
071d4990 | 558 | IWL_BF_CMD_CONFIG_DEFAULTS, |
5dca7c24 | 559 | .bf_enable_beacon_filter = cpu_to_le32(1), |
7df15b1e | 560 | }; |
071d4990 | 561 | int ret; |
7df15b1e HG |
562 | |
563 | if (mvmvif != mvm->bf_allowed_vif || | |
564 | vif->type != NL80211_IFTYPE_STATION || vif->p2p) | |
565 | return 0; | |
566 | ||
a20fd398 | 567 | iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, &cmd); |
b571a697 | 568 | iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd); |
071d4990 AB |
569 | ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd); |
570 | ||
571 | if (!ret) | |
a20fd398 | 572 | mvmvif->bf_data.bf_enabled = true; |
071d4990 AB |
573 | |
574 | return ret; | |
7df15b1e HG |
575 | } |
576 | ||
577 | int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, | |
578 | struct ieee80211_vif *vif) | |
579 | { | |
071d4990 AB |
580 | struct iwl_beacon_filter_cmd cmd = {}; |
581 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
582 | int ret; | |
7df15b1e | 583 | |
5dca7c24 HG |
584 | if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BF_UPDATED) || |
585 | vif->type != NL80211_IFTYPE_STATION || vif->p2p) | |
7df15b1e HG |
586 | return 0; |
587 | ||
071d4990 AB |
588 | ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd); |
589 | ||
590 | if (!ret) | |
a20fd398 | 591 | mvmvif->bf_data.bf_enabled = false; |
071d4990 AB |
592 | |
593 | return ret; | |
7df15b1e | 594 | } |
e811ada7 | 595 | |
a20fd398 AO |
596 | int iwl_mvm_update_beacon_filter(struct iwl_mvm *mvm, |
597 | struct ieee80211_vif *vif) | |
598 | { | |
599 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
600 | ||
601 | if (!mvmvif->bf_data.bf_enabled) | |
602 | return 0; | |
603 | ||
604 | return iwl_mvm_enable_beacon_filter(mvm, vif); | |
605 | } | |
606 | ||
e811ada7 AB |
607 | const struct iwl_mvm_power_ops pm_mac_ops = { |
608 | .power_update_mode = iwl_mvm_power_mac_update_mode, | |
609 | .power_disable = iwl_mvm_power_mac_disable, | |
610 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
611 | .power_dbgfs_read = iwl_mvm_power_mac_dbgfs_read, | |
612 | #endif | |
613 | }; |