blob: d9769a23c68b44e9b16e3ce6bddd7aa191c45e27 [file] [log] [blame]
Johannes Berg8ca151b2013-01-24 14:25:36 +01001/******************************************************************************
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 *
Emmanuel Grumbach51368bf2013-12-30 13:15:54 +02008 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
Johannes Berg8ca151b2013-01-24 14:25:36 +01009 *
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
Emmanuel Grumbach410dc5a2013-02-18 09:22:28 +020025 * in the file called COPYING.
Johannes Berg8ca151b2013-01-24 14:25:36 +010026 *
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 *
Emmanuel Grumbach51368bf2013-12-30 13:15:54 +020033 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
Johannes Berg8ca151b2013-01-24 14:25:36 +010034 * 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>
Johannes Berg8ca151b2013-01-24 14:25:36 +010067
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
Emmanuel Grumbachd623d242014-01-26 12:58:24 +020077static
Alexander Bondare811ada2013-03-10 15:29:44 +020078int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
Eliad Peller3dd37d02014-01-07 14:00:24 +020079 struct iwl_beacon_filter_cmd *cmd,
80 u32 flags)
Alexander Bondar071d49902013-05-06 13:03:59 +030081{
Emmanuel Grumbachd623d242014-01-26 12:58:24 +020082 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));
Alexander Bondar071d49902013-05-06 13:03:59 +0300104
Emmanuel Grumbachd623d242014-01-26 12:58:24 +0200105 return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags,
106 sizeof(struct iwl_beacon_filter_cmd), cmd);
Alexander Bondar071d49902013-05-06 13:03:59 +0300107}
108
Andrei Otcheretianskia20fd392013-07-21 17:23:59 +0300109static
110void 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
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200126static void iwl_mvm_power_log(struct iwl_mvm *mvm,
Alexander Bondare811ada2013-03-10 15:29:44 +0200127 struct iwl_mac_power_cmd *cmd)
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200128{
129 IWL_DEBUG_POWER(mvm,
Alexander Bondare811ada2013-03-10 15:29:44 +0200130 "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,
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200132 le16_to_cpu(cmd->flags));
Alexander Bondare811ada2013-03-10 15:29:44 +0200133 IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
134 le16_to_cpu(cmd->keep_alive_seconds));
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200135
Alexander Bondare3c588e2013-04-07 14:08:59 +0300136 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);
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200160 }
161}
162
Alexander Bondar175a70b2013-04-14 20:59:37 +0300163static 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
201 if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
202 return;
203
204 cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
205
206 if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
207 BIT(IEEE80211_AC_VI) |
208 BIT(IEEE80211_AC_BE) |
209 BIT(IEEE80211_AC_BK))) {
210 cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
211 cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
212 cmd->snooze_window = (mvm->cur_ucode == IWL_UCODE_WOWLAN) ?
213 cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
214 cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
215 }
216
217 cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP;
218
219 if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags &
220 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
221 cmd->rx_data_timeout_uapsd =
222 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
223 cmd->tx_data_timeout_uapsd =
224 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
225 } else {
226 cmd->rx_data_timeout_uapsd =
227 cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
228 cmd->tx_data_timeout_uapsd =
229 cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
230 }
231
232 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
233 cmd->heavy_tx_thld_packets =
234 IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
235 cmd->heavy_rx_thld_packets =
236 IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
237 } else {
238 cmd->heavy_tx_thld_packets =
239 IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
240 cmd->heavy_rx_thld_packets =
241 IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
242 }
243 cmd->heavy_tx_thld_percentage =
244 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
245 cmd->heavy_rx_thld_percentage =
246 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
247}
248
Avri Altmanc6e37a62014-04-01 12:08:13 +0300249static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
250 struct ieee80211_vif *vif)
251{
252 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
253
254 if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
255 ETH_ALEN))
256 return false;
257
258 if (vif->p2p &&
259 !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
260 return false;
261 /*
262 * Avoid using uAPSD if P2P client is associated to GO that uses
263 * opportunistic power save. This is due to current FW limitation.
264 */
265 if (vif->p2p &&
266 (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
267 IEEE80211_P2P_OPPPS_ENABLE_BIT))
268 return false;
269
Avri Altman05345282014-05-08 10:06:01 +0300270 /*
271 * Avoid using uAPSD if client is in DCM -
272 * low latency issue in Miracast
273 */
Arik Nemtsovcf7b4912014-05-15 11:44:40 +0300274 if (iwl_mvm_phy_ctx_count(mvm) >= 2)
Avri Altman05345282014-05-08 10:06:01 +0300275 return false;
276
Avri Altmanc6e37a62014-04-01 12:08:13 +0300277 return true;
278}
279
Alexander Bondare811ada2013-03-10 15:29:44 +0200280static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
281 struct ieee80211_vif *vif,
282 struct iwl_mac_power_cmd *cmd)
Johannes Berg8ca151b2013-01-24 14:25:36 +0100283{
Johannes Berg8ca151b2013-01-24 14:25:36 +0100284 struct ieee80211_chanctx_conf *chanctx_conf;
285 struct ieee80211_channel *chan;
286 int dtimper, dtimper_msec;
287 int keep_alive;
288 bool radar_detect = false;
Alexander Bondarb571a692013-05-21 14:49:09 +0300289 struct iwl_mvm_vif *mvmvif __maybe_unused =
290 iwl_mvm_vif_from_mac80211(vif);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100291
Alexander Bondare811ada2013-03-10 15:29:44 +0200292 cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
293 mvmvif->color));
Emmanuel Grumbach717e2392014-07-31 14:39:40 +0300294 dtimper = vif->bss_conf.dtim_period;
Alexander Bondare811ada2013-03-10 15:29:44 +0200295
Alexander Bondare16cf7e2013-03-05 14:01:27 +0200296 /*
297 * Regardless of power management state the driver must set
298 * keep alive period. FW will use it for sending keep alive NDPs
Alexander Bondare811ada2013-03-10 15:29:44 +0200299 * immediately after association. Check that keep alive period
300 * is at least 3 * DTIM
Alexander Bondare16cf7e2013-03-05 14:01:27 +0200301 */
Alexander Bondare811ada2013-03-10 15:29:44 +0200302 dtimper_msec = dtimper * vif->bss_conf.beacon_int;
303 keep_alive = max_t(int, 3 * dtimper_msec,
304 MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC);
305 keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC);
306 cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
Alexander Bondare16cf7e2013-03-05 14:01:27 +0200307
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200308 if (mvm->ps_disabled)
Johannes Berg8ca151b2013-01-24 14:25:36 +0100309 return;
310
Alexander Bondar9a613042013-03-05 12:54:00 +0200311 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
312
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200313 if (!vif->bss_conf.ps || iwl_mvm_vif_low_latency(mvmvif) ||
Avri Altman19889022014-03-19 07:25:06 +0200314 !mvmvif->pm_enabled)
Alexander Bondar9a613042013-03-05 12:54:00 +0200315 return;
316
317 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100318
Alexander Bondarbd4ace22013-03-21 17:14:14 +0200319 if (vif->bss_conf.beacon_rate &&
320 (vif->bss_conf.beacon_rate->bitrate == 10 ||
321 vif->bss_conf.beacon_rate->bitrate == 60)) {
322 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
Alexander Bondare811ada2013-03-10 15:29:44 +0200323 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
Alexander Bondarbd4ace22013-03-21 17:14:14 +0200324 }
325
Johannes Berg8ca151b2013-01-24 14:25:36 +0100326 /* Check if radar detection is required on current channel */
327 rcu_read_lock();
328 chanctx_conf = rcu_dereference(vif->chanctx_conf);
329 WARN_ON(!chanctx_conf);
330 if (chanctx_conf) {
331 chan = chanctx_conf->def.chan;
332 radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
333 }
334 rcu_read_unlock();
335
336 /* Check skip over DTIM conditions */
337 if (!radar_detect && (dtimper <= 10) &&
Alexander Bondaree1e8422013-04-23 13:52:10 +0300338 (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
339 mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
Alexander Bondarf4a3e2f2013-03-05 13:47:04 +0200340 cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
Alexander Bondare811ada2013-03-10 15:29:44 +0200341 cmd->skip_dtim_periods = 3;
Alexander Bondar5b1dbfc2013-04-23 13:32:35 +0300342 }
Johannes Berg8ca151b2013-01-24 14:25:36 +0100343
Alexander Bondaree1e8422013-04-23 13:52:10 +0300344 if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
Johannes Berg99545922013-06-14 13:36:21 +0200345 cmd->rx_data_timeout =
346 cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
347 cmd->tx_data_timeout =
348 cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
Alexander Bondaree1e8422013-04-23 13:52:10 +0300349 } else {
Johannes Berg99545922013-06-14 13:36:21 +0200350 cmd->rx_data_timeout =
351 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
352 cmd->tx_data_timeout =
353 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
Alexander Bondaree1e8422013-04-23 13:52:10 +0300354 }
Alexander Bondarb571a692013-05-21 14:49:09 +0300355
Avri Altmanc6e37a62014-04-01 12:08:13 +0300356 if (iwl_mvm_power_allow_uapsd(mvm, vif))
Alexander Bondar175a70b2013-04-14 20:59:37 +0300357 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
Alexander Bondare3c588e2013-04-07 14:08:59 +0300358
Alexander Bondarb571a692013-05-21 14:49:09 +0300359#ifdef CONFIG_IWLWIFI_DEBUGFS
360 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
Alexander Bondare811ada2013-03-10 15:29:44 +0200361 cmd->keep_alive_seconds =
362 cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
Alexander Bondarb571a692013-05-21 14:49:09 +0300363 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
364 if (mvmvif->dbgfs_pm.skip_over_dtim)
365 cmd->flags |=
366 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
367 else
368 cmd->flags &=
369 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
370 }
371 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
372 cmd->rx_data_timeout =
373 cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
374 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
375 cmd->tx_data_timeout =
376 cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
377 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
Alexander Bondare811ada2013-03-10 15:29:44 +0200378 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
Alexander Bondarbd4ace22013-03-21 17:14:14 +0200379 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
380 if (mvmvif->dbgfs_pm.lprx_ena)
381 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
382 else
383 cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
384 }
385 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
Alexander Bondare811ada2013-03-10 15:29:44 +0200386 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
Alexander Bondar89716342013-08-04 17:52:23 +0300387 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
388 if (mvmvif->dbgfs_pm.snooze_ena)
389 cmd->flags |=
390 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
391 else
392 cmd->flags &=
393 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
394 }
Alexander Bondare45a9412013-12-04 10:13:24 +0200395 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
396 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
397 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
398 cmd->flags |= cpu_to_le16(flag);
399 else
400 cmd->flags &= cpu_to_le16(flag);
401 }
Alexander Bondarb571a692013-05-21 14:49:09 +0300402#endif /* CONFIG_IWLWIFI_DEBUGFS */
Johannes Berg8ca151b2013-01-24 14:25:36 +0100403}
404
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200405static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
Alexander Bondare811ada2013-03-10 15:29:44 +0200406 struct ieee80211_vif *vif)
Johannes Berg8ca151b2013-01-24 14:25:36 +0100407{
Alexander Bondare811ada2013-03-10 15:29:44 +0200408 struct iwl_mac_power_cmd cmd = {};
Johannes Berg8ca151b2013-01-24 14:25:36 +0100409
Alexander Bondarf4a3e2f2013-03-05 13:47:04 +0200410 iwl_mvm_power_build_cmd(mvm, vif, &cmd);
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200411 iwl_mvm_power_log(mvm, &cmd);
Emmanuel Grumbach474b50c2014-01-28 09:13:04 +0200412#ifdef CONFIG_IWLWIFI_DEBUGFS
413 memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
414#endif
Johannes Berg8ca151b2013-01-24 14:25:36 +0100415
Emmanuel Grumbacha1022922014-05-12 11:36:41 +0300416 return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
Emmanuel Grumbach06280a22014-01-27 08:09:23 +0200417 sizeof(cmd), &cmd);
418}
419
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200420int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
Alexander Bondar64b928c2013-09-03 14:18:03 +0300421{
422 struct iwl_device_power_cmd cmd = {
423 .flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK),
424 };
425
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200426 if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
427 mvm->ps_disabled = true;
428
429 if (mvm->ps_disabled)
Alexander Bondar64b928c2013-09-03 14:18:03 +0300430 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK);
431
432#ifdef CONFIG_IWLWIFI_DEBUGFS
433 if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 :
434 mvm->disable_power_off)
435 cmd.flags &=
436 cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
437#endif
438 IWL_DEBUG_POWER(mvm,
439 "Sending device power command with flags = 0x%X\n",
440 cmd.flags);
441
Emmanuel Grumbacha1022922014-05-12 11:36:41 +0300442 return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
Alexander Bondar64b928c2013-09-03 14:18:03 +0300443 &cmd);
444}
445
Alexander Bondar175a70b2013-04-14 20:59:37 +0300446void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
447{
448 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
449
450 if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
451 ETH_ALEN))
452 memset(mvmvif->uapsd_misbehaving_bssid, 0, ETH_ALEN);
453}
454
455static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
456 struct ieee80211_vif *vif)
457{
458 u8 *ap_sta_id = _data;
459 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
460
461 /* The ap_sta_id is not expected to change during current association
462 * so no explicit protection is needed
463 */
464 if (mvmvif->ap_sta_id == *ap_sta_id)
465 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
466 ETH_ALEN);
467}
468
469int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
470 struct iwl_rx_cmd_buffer *rxb,
471 struct iwl_device_cmd *cmd)
472{
473 struct iwl_rx_packet *pkt = rxb_addr(rxb);
474 struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
475 u8 ap_sta_id = le32_to_cpu(notif->sta_id);
476
477 ieee80211_iterate_active_interfaces_atomic(
478 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
479 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
480
481 return 0;
482}
483
Avri Altman19889022014-03-19 07:25:06 +0200484struct iwl_power_vifs {
Arik Nemtsovfa3d07e2014-05-15 18:59:32 +0300485 struct iwl_mvm *mvm;
Emmanuel Grumbach06280a22014-01-27 08:09:23 +0200486 struct ieee80211_vif *bf_vif;
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200487 struct ieee80211_vif *bss_vif;
Avri Altman8ea0c682014-02-20 13:28:57 +0200488 struct ieee80211_vif *p2p_vif;
Avri Altman19889022014-03-19 07:25:06 +0200489 struct ieee80211_vif *ap_vif;
490 struct ieee80211_vif *monitor_vif;
491 bool p2p_active;
492 bool bss_active;
493 bool ap_active;
494 bool monitor_active;
Arik Nemtsovfa3d07e2014-05-15 18:59:32 +0300495 bool bss_tdls;
496 bool p2p_tdls;
Emmanuel Grumbach06280a22014-01-27 08:09:23 +0200497};
498
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200499static void iwl_mvm_power_iterator(void *_data, u8 *mac,
500 struct ieee80211_vif *vif)
Alexander Bondar1c2abf72013-08-27 20:31:48 +0300501{
Emmanuel Grumbach06280a22014-01-27 08:09:23 +0200502 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
Avri Altman19889022014-03-19 07:25:06 +0200503 struct iwl_power_vifs *power_iterator = _data;
Alexander Bondar1c2abf72013-08-27 20:31:48 +0300504
Avri Altman19889022014-03-19 07:25:06 +0200505 mvmvif->pm_enabled = false;
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200506 switch (ieee80211_vif_type_p2p(vif)) {
507 case NL80211_IFTYPE_P2P_DEVICE:
508 break;
Emmanuel Grumbach06280a22014-01-27 08:09:23 +0200509
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200510 case NL80211_IFTYPE_P2P_GO:
511 case NL80211_IFTYPE_AP:
Avri Altman19889022014-03-19 07:25:06 +0200512 /* only a single MAC of the same type */
513 WARN_ON(power_iterator->ap_vif);
514 power_iterator->ap_vif = vif;
515 if (mvmvif->phy_ctxt)
516 if (mvmvif->phy_ctxt->id < MAX_PHYS)
517 power_iterator->ap_active = true;
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200518 break;
Emmanuel Grumbach06280a22014-01-27 08:09:23 +0200519
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200520 case NL80211_IFTYPE_MONITOR:
Avri Altman19889022014-03-19 07:25:06 +0200521 /* only a single MAC of the same type */
522 WARN_ON(power_iterator->monitor_vif);
523 power_iterator->monitor_vif = vif;
524 if (mvmvif->phy_ctxt)
525 if (mvmvif->phy_ctxt->id < MAX_PHYS)
526 power_iterator->monitor_active = true;
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200527 break;
528
529 case NL80211_IFTYPE_P2P_CLIENT:
Avri Altman19889022014-03-19 07:25:06 +0200530 /* only a single MAC of the same type */
Avri Altman8ea0c682014-02-20 13:28:57 +0200531 WARN_ON(power_iterator->p2p_vif);
532 power_iterator->p2p_vif = vif;
Arik Nemtsovfa3d07e2014-05-15 18:59:32 +0300533 power_iterator->p2p_tdls =
534 !!iwl_mvm_tdls_sta_count(power_iterator->mvm, vif);
Avri Altman19889022014-03-19 07:25:06 +0200535 if (mvmvif->phy_ctxt)
536 if (mvmvif->phy_ctxt->id < MAX_PHYS)
537 power_iterator->p2p_active = true;
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200538 break;
539
540 case NL80211_IFTYPE_STATION:
Avri Altman19889022014-03-19 07:25:06 +0200541 /* only a single MAC of the same type */
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200542 WARN_ON(power_iterator->bss_vif);
543 power_iterator->bss_vif = vif;
Arik Nemtsovfa3d07e2014-05-15 18:59:32 +0300544 power_iterator->bss_tdls =
545 !!iwl_mvm_tdls_sta_count(power_iterator->mvm, vif);
Avri Altman19889022014-03-19 07:25:06 +0200546 if (mvmvif->phy_ctxt)
547 if (mvmvif->phy_ctxt->id < MAX_PHYS)
548 power_iterator->bss_active = true;
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200549
550 if (mvmvif->bf_data.bf_enabled &&
551 !WARN_ON(power_iterator->bf_vif))
552 power_iterator->bf_vif = vif;
Alexander Bondar7303dd7f2014-02-03 21:57:28 +0200553
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200554 break;
555
556 default:
557 break;
558 }
Alexander Bondar1c2abf72013-08-27 20:31:48 +0300559}
560
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200561static void
Avri Altman19889022014-03-19 07:25:06 +0200562iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
563 struct iwl_power_vifs *vifs)
Alexander Bondar1c2abf72013-08-27 20:31:48 +0300564{
Avri Altman19889022014-03-19 07:25:06 +0200565 struct iwl_mvm_vif *bss_mvmvif = NULL;
566 struct iwl_mvm_vif *p2p_mvmvif = NULL;
567 struct iwl_mvm_vif *ap_mvmvif = NULL;
568 bool client_same_channel = false;
569 bool ap_same_channel = false;
570
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200571 lockdep_assert_held(&mvm->mutex);
572
Avri Altman19889022014-03-19 07:25:06 +0200573 /* get vifs info + set pm_enable to false */
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200574 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
575 IEEE80211_IFACE_ITER_NORMAL,
Avri Altman19889022014-03-19 07:25:06 +0200576 iwl_mvm_power_iterator, vifs);
577
578 if (vifs->bss_vif)
579 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
580
581 if (vifs->p2p_vif)
582 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
583
584 if (vifs->ap_vif)
585 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
586
587 /* enable PM on bss if bss stand alone */
Arik Nemtsovfa3d07e2014-05-15 18:59:32 +0300588 if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active &&
589 !vifs->bss_tdls) {
Avri Altman19889022014-03-19 07:25:06 +0200590 bss_mvmvif->pm_enabled = true;
591 return;
592 }
593
594 /* enable PM on p2p if p2p stand alone */
Arik Nemtsovfa3d07e2014-05-15 18:59:32 +0300595 if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active &&
596 !vifs->p2p_tdls) {
Avri Altman19889022014-03-19 07:25:06 +0200597 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
598 p2p_mvmvif->pm_enabled = true;
599 return;
600 }
601
602 if (vifs->bss_active && vifs->p2p_active)
603 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
604 p2p_mvmvif->phy_ctxt->id);
605 if (vifs->bss_active && vifs->ap_active)
606 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
607 ap_mvmvif->phy_ctxt->id);
608
Avri Altman63ef81c2014-04-02 07:54:07 +0300609 /* clients are not stand alone: enable PM if DCM */
610 if (!(client_same_channel || ap_same_channel) &&
Avri Altman19889022014-03-19 07:25:06 +0200611 (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) {
Avri Altman63ef81c2014-04-02 07:54:07 +0300612 if (vifs->bss_active)
Avri Altman19889022014-03-19 07:25:06 +0200613 bss_mvmvif->pm_enabled = true;
Avri Altman63ef81c2014-04-02 07:54:07 +0300614 if (vifs->p2p_active &&
615 (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM))
616 p2p_mvmvif->pm_enabled = true;
617 return;
Avri Altman19889022014-03-19 07:25:06 +0200618 }
619
620 /*
621 * There is only one channel in the system and there are only
622 * bss and p2p clients that share it
623 */
624 if (client_same_channel && !vifs->ap_active &&
625 (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) {
626 /* share same channel*/
627 bss_mvmvif->pm_enabled = true;
628 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
629 p2p_mvmvif->pm_enabled = true;
630 }
Emmanuel Grumbache5e7aa82014-01-27 16:57:33 +0200631}
632
Alexander Bondarb571a692013-05-21 14:49:09 +0300633#ifdef CONFIG_IWLWIFI_DEBUGFS
Emmanuel Grumbachc1cb92f2014-01-28 10:17:18 +0200634int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
635 struct ieee80211_vif *vif, char *buf,
636 int bufsz)
Alexander Bondare811ada2013-03-10 15:29:44 +0200637{
Emmanuel Grumbach474b50c2014-01-28 09:13:04 +0200638 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
Alexander Bondare811ada2013-03-10 15:29:44 +0200639 struct iwl_mac_power_cmd cmd = {};
640 int pos = 0;
641
Emmanuel Grumbach474b50c2014-01-28 09:13:04 +0200642 mutex_lock(&mvm->mutex);
643 memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
644 mutex_unlock(&mvm->mutex);
Alexander Bondare811ada2013-03-10 15:29:44 +0200645
Alexander Bondare811ada2013-03-10 15:29:44 +0200646 pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
647 iwlmvm_mod_params.power_scheme);
648 pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
649 le16_to_cpu(cmd.flags));
650 pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
651 le16_to_cpu(cmd.keep_alive_seconds));
652
Alexander Bondar175a70b2013-04-14 20:59:37 +0300653 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
654 return pos;
655
656 pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
657 (cmd.flags &
658 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
659 pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
660 cmd.skip_dtim_periods);
661 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
662 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
663 le32_to_cpu(cmd.rx_data_timeout));
664 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
665 le32_to_cpu(cmd.tx_data_timeout));
Alexander Bondare811ada2013-03-10 15:29:44 +0200666 }
Alexander Bondar175a70b2013-04-14 20:59:37 +0300667 if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
668 pos += scnprintf(buf+pos, bufsz-pos,
669 "lprx_rssi_threshold = %d\n",
670 cmd.lprx_rssi_threshold);
671
672 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
673 return pos;
674
675 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
676 le32_to_cpu(cmd.rx_data_timeout_uapsd));
677 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
678 le32_to_cpu(cmd.tx_data_timeout_uapsd));
679 pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
680 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
681 cmd.uapsd_ac_flags);
682 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
683 cmd.uapsd_max_sp);
684 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
685 cmd.heavy_tx_thld_packets);
686 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
687 cmd.heavy_rx_thld_packets);
688 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
689 cmd.heavy_tx_thld_percentage);
690 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
691 cmd.heavy_rx_thld_percentage);
692 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
693 (cmd.flags &
694 cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
695 1 : 0);
696
697 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
698 return pos;
699
700 pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
701 cmd.snooze_interval);
702 pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
703 cmd.snooze_window);
704
Alexander Bondare811ada2013-03-10 15:29:44 +0200705 return pos;
706}
707
Alexander Bondarb571a692013-05-21 14:49:09 +0300708void
709iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
710 struct iwl_beacon_filter_cmd *cmd)
711{
712 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
713 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
714
715 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
Hila Gonen5dca7c22013-07-16 11:15:35 +0300716 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
Alexander Bondarb571a692013-05-21 14:49:09 +0300717 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
718 cmd->bf_roaming_energy_delta =
Hila Gonen5dca7c22013-07-16 11:15:35 +0300719 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
Alexander Bondarb571a692013-05-21 14:49:09 +0300720 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
Hila Gonen5dca7c22013-07-16 11:15:35 +0300721 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
722 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
723 cmd->bf_temp_threshold =
724 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
725 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
726 cmd->bf_temp_fast_filter =
727 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
728 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
729 cmd->bf_temp_slow_filter =
730 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
Alexander Bondarb571a692013-05-21 14:49:09 +0300731 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
Hila Gonen5dca7c22013-07-16 11:15:35 +0300732 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
Alexander Bondarb571a692013-05-21 14:49:09 +0300733 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
734 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
735 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
736 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
737 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
Hila Gonen5dca7c22013-07-16 11:15:35 +0300738 cmd->ba_enable_beacon_abort =
739 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
Alexander Bondarb571a692013-05-21 14:49:09 +0300740}
741#endif
742
Eliad Peller3dd37d02014-01-07 14:00:24 +0200743static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
744 struct ieee80211_vif *vif,
745 struct iwl_beacon_filter_cmd *cmd,
746 u32 cmd_flags,
747 bool d0i3)
Hila Gonen7df15b12012-12-12 11:16:19 +0200748{
749 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
Alexander Bondar071d49902013-05-06 13:03:59 +0300750 int ret;
Hila Gonen7df15b12012-12-12 11:16:19 +0200751
Avri Altmanfa7b2e72014-05-20 08:03:24 +0300752 if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
Hila Gonen7df15b12012-12-12 11:16:19 +0200753 vif->type != NL80211_IFTYPE_STATION || vif->p2p)
754 return 0;
755
Eliad Peller3dd37d02014-01-07 14:00:24 +0200756 iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd);
757 if (!d0i3)
758 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
759 ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
Alexander Bondar071d49902013-05-06 13:03:59 +0300760
Eliad Peller3dd37d02014-01-07 14:00:24 +0200761 /* don't change bf_enabled in case of temporary d0i3 configuration */
762 if (!ret && !d0i3)
Andrei Otcheretianskia20fd392013-07-21 17:23:59 +0300763 mvmvif->bf_data.bf_enabled = true;
Alexander Bondar071d49902013-05-06 13:03:59 +0300764
765 return ret;
Hila Gonen7df15b12012-12-12 11:16:19 +0200766}
767
Eliad Peller3dd37d02014-01-07 14:00:24 +0200768int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
769 struct ieee80211_vif *vif,
770 u32 flags)
771{
772 struct iwl_beacon_filter_cmd cmd = {
773 IWL_BF_CMD_CONFIG_DEFAULTS,
774 .bf_enable_beacon_filter = cpu_to_le32(1),
775 };
776
777 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
778}
779
Emmanuel Grumbach13b72322014-05-20 11:28:18 +0300780static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
781 struct ieee80211_vif *vif,
782 bool enable)
Avri Altmanfa7b2e72014-05-20 08:03:24 +0300783{
784 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
785 struct iwl_beacon_filter_cmd cmd = {
786 IWL_BF_CMD_CONFIG_DEFAULTS,
787 .bf_enable_beacon_filter = cpu_to_le32(1),
788 };
789
790 if (!mvmvif->bf_data.bf_enabled)
791 return 0;
792
793 if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
794 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
795
796 mvmvif->bf_data.ba_enabled = enable;
797 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
798}
799
Hila Gonen7df15b12012-12-12 11:16:19 +0200800int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
Eliad Peller3dd37d02014-01-07 14:00:24 +0200801 struct ieee80211_vif *vif,
802 u32 flags)
Hila Gonen7df15b12012-12-12 11:16:19 +0200803{
Alexander Bondar071d49902013-05-06 13:03:59 +0300804 struct iwl_beacon_filter_cmd cmd = {};
805 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
806 int ret;
Hila Gonen7df15b12012-12-12 11:16:19 +0200807
Emmanuel Grumbach73e5f2c2014-03-30 08:57:30 +0300808 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
Hila Gonen7df15b12012-12-12 11:16:19 +0200809 return 0;
810
Eliad Peller3dd37d02014-01-07 14:00:24 +0200811 ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
Alexander Bondar071d49902013-05-06 13:03:59 +0300812
813 if (!ret)
Andrei Otcheretianskia20fd392013-07-21 17:23:59 +0300814 mvmvif->bf_data.bf_enabled = false;
Alexander Bondar071d49902013-05-06 13:03:59 +0300815
816 return ret;
Hila Gonen7df15b12012-12-12 11:16:19 +0200817}
Alexander Bondare811ada2013-03-10 15:29:44 +0200818
Arik Nemtsov999609f2014-05-15 17:31:51 +0300819int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
Emmanuel Grumbach13b72322014-05-20 11:28:18 +0300820{
821 struct iwl_mvm_vif *mvmvif;
Arik Nemtsovfa3d07e2014-05-15 18:59:32 +0300822 struct iwl_power_vifs vifs = {
823 .mvm = mvm,
824 };
Emmanuel Grumbach13b72322014-05-20 11:28:18 +0300825 bool ba_enable;
826 int ret;
827
828 lockdep_assert_held(&mvm->mutex);
829
830 iwl_mvm_power_set_pm(mvm, &vifs);
831
832 /* disable PS if CAM */
833 if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) {
834 mvm->ps_disabled = true;
835 } else {
836 /* don't update device power state unless we add / remove monitor */
837 if (vifs.monitor_vif) {
838 if (vifs.monitor_active)
839 mvm->ps_disabled = true;
840 ret = iwl_mvm_power_update_device(mvm);
841 if (ret)
842 return ret;
843 }
844 }
845
846 if (vifs.bss_vif) {
847 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
848 if (ret)
849 return ret;
850 }
851
852 if (vifs.p2p_vif) {
853 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
854 if (ret)
855 return ret;
856 }
857
858 if (!vifs.bf_vif)
859 return 0;
860
Arik Nemtsov999609f2014-05-15 17:31:51 +0300861 mvmvif = iwl_mvm_vif_from_mac80211(vifs.bf_vif);
Emmanuel Grumbach13b72322014-05-20 11:28:18 +0300862
863 ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
Arik Nemtsov999609f2014-05-15 17:31:51 +0300864 !vifs.bf_vif->bss_conf.ps ||
865 iwl_mvm_vif_low_latency(mvmvif));
Emmanuel Grumbach13b72322014-05-20 11:28:18 +0300866
867 return iwl_mvm_update_beacon_abort(mvm, vifs.bf_vif, ba_enable);
868}
869
Eliad Peller3dd37d02014-01-07 14:00:24 +0200870int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
871 struct ieee80211_vif *vif,
872 bool enable, u32 flags)
873{
874 int ret;
875 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
876 struct iwl_mac_power_cmd cmd = {};
877
878 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
879 return 0;
880
881 if (!vif->bss_conf.assoc)
882 return 0;
883
884 iwl_mvm_power_build_cmd(mvm, vif, &cmd);
885 if (enable) {
886 /* configure skip over dtim up to 300 msec */
Emmanuel Grumbach717e2392014-07-31 14:39:40 +0300887 int dtimper = vif->bss_conf.dtim_period ?: 1;
Eliad Peller3dd37d02014-01-07 14:00:24 +0200888 int dtimper_msec = dtimper * vif->bss_conf.beacon_int;
889
890 if (WARN_ON(!dtimper_msec))
891 return 0;
892
Eliad Peller3dd37d02014-01-07 14:00:24 +0200893 cmd.skip_dtim_periods = 300 / dtimper_msec;
Eliad Peller6f361052014-05-12 14:22:20 +0300894 if (cmd.skip_dtim_periods)
895 cmd.flags |=
896 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
Eliad Peller3dd37d02014-01-07 14:00:24 +0200897 }
898 iwl_mvm_power_log(mvm, &cmd);
Emmanuel Grumbach474b50c2014-01-28 09:13:04 +0200899#ifdef CONFIG_IWLWIFI_DEBUGFS
900 memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
901#endif
Eliad Peller3dd37d02014-01-07 14:00:24 +0200902 ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
903 sizeof(cmd), &cmd);
904 if (ret)
905 return ret;
906
907 /* configure beacon filtering */
908 if (mvmvif != mvm->bf_allowed_vif)
909 return 0;
910
911 if (enable) {
912 struct iwl_beacon_filter_cmd cmd_bf = {
913 IWL_BF_CMD_CONFIG_D0I3,
914 .bf_enable_beacon_filter = cpu_to_le32(1),
915 };
916 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
917 flags, true);
918 } else {
919 if (mvmvif->bf_data.bf_enabled)
920 ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
921 else
922 ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
923 }
924
925 return ret;
926}