blob: a5529b85de8b9ddca3675a1b0f5ff49fb685b079 [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 *
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
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 *
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
Alexander Bondare811ada2013-03-10 15:29:44 +020078int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
79 struct iwl_beacon_filter_cmd *cmd)
Alexander Bondar071d49902013-05-06 13:03:59 +030080{
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",
Hila Gonen5dca7c22013-07-16 11:15:35 +030088 le32_to_cpu(cmd->ba_enable_beacon_abort));
Alexander Bondar071d49902013-05-06 13:03:59 +030089 IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
Hila Gonen5dca7c22013-07-16 11:15:35 +030090 le32_to_cpu(cmd->ba_escape_timer));
Alexander Bondar071d49902013-05-06 13:03:59 +030091 IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
Hila Gonen5dca7c22013-07-16 11:15:35 +030092 le32_to_cpu(cmd->bf_debug_flag));
Alexander Bondar071d49902013-05-06 13:03:59 +030093 IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
Hila Gonen5dca7c22013-07-16 11:15:35 +030094 le32_to_cpu(cmd->bf_enable_beacon_filter));
Alexander Bondar071d49902013-05-06 13:03:59 +030095 IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
Hila Gonen5dca7c22013-07-16 11:15:35 +030096 le32_to_cpu(cmd->bf_energy_delta));
Alexander Bondar071d49902013-05-06 13:03:59 +030097 IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
Hila Gonen5dca7c22013-07-16 11:15:35 +030098 le32_to_cpu(cmd->bf_escape_timer));
Alexander Bondar071d49902013-05-06 13:03:59 +030099 IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
Hila Gonen5dca7c22013-07-16 11:15:35 +0300100 le32_to_cpu(cmd->bf_roaming_energy_delta));
Alexander Bondar071d49902013-05-06 13:03:59 +0300101 IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
Hila Gonen5dca7c22013-07-16 11:15:35 +0300102 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));
Alexander Bondar071d49902013-05-06 13:03:59 +0300109 }
110 return ret;
111}
112
Andrei Otcheretianskia20fd392013-07-21 17:23:59 +0300113static
114void 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
Alexander Bondare811ada2013-03-10 15:29:44 +0200130int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
131 struct ieee80211_vif *vif, bool enable)
Alexander Bondar071d49902013-05-06 13:03:59 +0300132{
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,
Hila Gonen5dca7c22013-07-16 11:15:35 +0300136 .bf_enable_beacon_filter = cpu_to_le32(1),
137 .ba_enable_beacon_abort = cpu_to_le32(enable),
Alexander Bondar071d49902013-05-06 13:03:59 +0300138 };
139
Andrei Otcheretianskia20fd392013-07-21 17:23:59 +0300140 if (!mvmvif->bf_data.bf_enabled)
Alexander Bondar071d49902013-05-06 13:03:59 +0300141 return 0;
142
Alexander Bondar84349252013-07-22 15:39:26 +0300143 if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
144 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
145
Andrei Otcheretianskia20fd392013-07-21 17:23:59 +0300146 mvmvif->bf_data.ba_enabled = enable;
147 iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, &cmd);
Alexander Bondarb571a692013-05-21 14:49:09 +0300148 iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd);
Alexander Bondar071d49902013-05-06 13:03:59 +0300149 return iwl_mvm_beacon_filter_send_cmd(mvm, &cmd);
150}
151
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200152static void iwl_mvm_power_log(struct iwl_mvm *mvm,
Alexander Bondare811ada2013-03-10 15:29:44 +0200153 struct iwl_mac_power_cmd *cmd)
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200154{
155 IWL_DEBUG_POWER(mvm,
Alexander Bondare811ada2013-03-10 15:29:44 +0200156 "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,
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200158 le16_to_cpu(cmd->flags));
Alexander Bondare811ada2013-03-10 15:29:44 +0200159 IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
160 le16_to_cpu(cmd->keep_alive_seconds));
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200161
Alexander Bondare3c588e2013-04-07 14:08:59 +0300162 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);
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200186 }
187}
188
Alexander Bondare811ada2013-03-10 15:29:44 +0200189static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
190 struct ieee80211_vif *vif,
191 struct iwl_mac_power_cmd *cmd)
Johannes Berg8ca151b2013-01-24 14:25:36 +0100192{
193 struct ieee80211_hw *hw = mvm->hw;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100194 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;
Alexander Bondarb571a692013-05-21 14:49:09 +0300199 struct iwl_mvm_vif *mvmvif __maybe_unused =
200 iwl_mvm_vif_from_mac80211(vif);
Alexander Bondare3c588e2013-04-07 14:08:59 +0300201 enum ieee80211_ac_numbers ac;
202 bool tid_found = false;
Johannes Berg8ca151b2013-01-24 14:25:36 +0100203
Alexander Bondare811ada2013-03-10 15:29:44 +0200204 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
Alexander Bondare16cf7e2013-03-05 14:01:27 +0200208 /*
209 * Regardless of power management state the driver must set
210 * keep alive period. FW will use it for sending keep alive NDPs
Alexander Bondare811ada2013-03-10 15:29:44 +0200211 * immediately after association. Check that keep alive period
212 * is at least 3 * DTIM
Alexander Bondare16cf7e2013-03-05 14:01:27 +0200213 */
Alexander Bondare811ada2013-03-10 15:29:44 +0200214 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);
Alexander Bondare16cf7e2013-03-05 14:01:27 +0200219
Alexander Bondarade50652013-04-03 16:28:47 +0300220 if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
Johannes Berg8ca151b2013-01-24 14:25:36 +0100221 return;
222
Alexander Bondar9a613042013-03-05 12:54:00 +0200223 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
224
Alexander Bondarb571a692013-05-21 14:49:09 +0300225#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
Alexander Bondar9a613042013-03-05 12:54:00 +0200230 if (!vif->bss_conf.ps)
231 return;
232
233 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100234
Alexander Bondarbd4ace22013-03-21 17:14:14 +0200235 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);
Alexander Bondare811ada2013-03-10 15:29:44 +0200239 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
Alexander Bondarbd4ace22013-03-21 17:14:14 +0200240 }
241
Johannes Berg8ca151b2013-01-24 14:25:36 +0100242 /* 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) &&
Alexander Bondaree1e8422013-04-23 13:52:10 +0300254 (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
255 mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
Alexander Bondarf4a3e2f2013-03-05 13:47:04 +0200256 cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
Alexander Bondare811ada2013-03-10 15:29:44 +0200257 cmd->skip_dtim_periods = 3;
Alexander Bondar5b1dbfc2013-04-23 13:32:35 +0300258 }
Johannes Berg8ca151b2013-01-24 14:25:36 +0100259
Alexander Bondaree1e8422013-04-23 13:52:10 +0300260 if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
Johannes Berg99545922013-06-14 13:36:21 +0200261 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);
Alexander Bondaree1e8422013-04-23 13:52:10 +0300265 } else {
Johannes Berg99545922013-06-14 13:36:21 +0200266 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);
Alexander Bondaree1e8422013-04-23 13:52:10 +0300270 }
Alexander Bondarb571a692013-05-21 14:49:09 +0300271
Alexander Bondare3c588e2013-04-07 14:08:59 +0300272 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);
304 cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP;
305 cmd->heavy_tx_thld_packets =
306 IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
307 cmd->heavy_rx_thld_packets =
308 IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
309 cmd->heavy_tx_thld_percentage =
310 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
311 cmd->heavy_rx_thld_percentage =
312 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
313 }
314
Alexander Bondarb571a692013-05-21 14:49:09 +0300315#ifdef CONFIG_IWLWIFI_DEBUGFS
316 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
Alexander Bondare811ada2013-03-10 15:29:44 +0200317 cmd->keep_alive_seconds =
318 cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
Alexander Bondarb571a692013-05-21 14:49:09 +0300319 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
320 if (mvmvif->dbgfs_pm.skip_over_dtim)
321 cmd->flags |=
322 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
323 else
324 cmd->flags &=
325 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
326 }
327 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
328 cmd->rx_data_timeout =
329 cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
330 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
331 cmd->tx_data_timeout =
332 cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
333 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
Alexander Bondare811ada2013-03-10 15:29:44 +0200334 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
Alexander Bondarbd4ace22013-03-21 17:14:14 +0200335 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
336 if (mvmvif->dbgfs_pm.lprx_ena)
337 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
338 else
339 cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
340 }
341 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
Alexander Bondare811ada2013-03-10 15:29:44 +0200342 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
Alexander Bondarb571a692013-05-21 14:49:09 +0300343#endif /* CONFIG_IWLWIFI_DEBUGFS */
Johannes Berg8ca151b2013-01-24 14:25:36 +0100344}
345
Alexander Bondare811ada2013-03-10 15:29:44 +0200346static int iwl_mvm_power_mac_update_mode(struct iwl_mvm *mvm,
347 struct ieee80211_vif *vif)
Johannes Berg8ca151b2013-01-24 14:25:36 +0100348{
Alexander Bondar071d49902013-05-06 13:03:59 +0300349 int ret;
350 bool ba_enable;
Alexander Bondare811ada2013-03-10 15:29:44 +0200351 struct iwl_mac_power_cmd cmd = {};
Johannes Berg8ca151b2013-01-24 14:25:36 +0100352
Johannes Berg8ca151b2013-01-24 14:25:36 +0100353 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
354 return 0;
355
Alexander Bondar4bf881f2013-05-29 10:19:50 +0300356 /*
357 * TODO: The following vif_count verification is temporary condition.
358 * Avoid power mode update if more than one interface is currently
359 * active. Remove this condition when FW will support power management
360 * on multiple MACs.
361 */
362 IWL_DEBUG_POWER(mvm, "Currently %d interfaces active\n",
363 mvm->vif_count);
364 if (mvm->vif_count > 1)
365 return 0;
366
Alexander Bondarf4a3e2f2013-03-05 13:47:04 +0200367 iwl_mvm_power_build_cmd(mvm, vif, &cmd);
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200368 iwl_mvm_power_log(mvm, &cmd);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100369
Alexander Bondare811ada2013-03-10 15:29:44 +0200370 ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, CMD_SYNC,
Alexander Bondar071d49902013-05-06 13:03:59 +0300371 sizeof(cmd), &cmd);
372 if (ret)
373 return ret;
374
375 ba_enable = !!(cmd.flags &
376 cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK));
377
378 return iwl_mvm_update_beacon_abort(mvm, vif, ba_enable);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100379}
380
Alexander Bondare811ada2013-03-10 15:29:44 +0200381static int iwl_mvm_power_mac_disable(struct iwl_mvm *mvm,
382 struct ieee80211_vif *vif)
Johannes Berg8ca151b2013-01-24 14:25:36 +0100383{
Alexander Bondare811ada2013-03-10 15:29:44 +0200384 struct iwl_mac_power_cmd cmd = {};
Alexander Bondarb571a692013-05-21 14:49:09 +0300385 struct iwl_mvm_vif *mvmvif __maybe_unused =
386 iwl_mvm_vif_from_mac80211(vif);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100387
Johannes Berg8ca151b2013-01-24 14:25:36 +0100388 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
389 return 0;
390
Alexander Bondare811ada2013-03-10 15:29:44 +0200391 cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
392 mvmvif->color));
393
Alexander Bondarade50652013-04-03 16:28:47 +0300394 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
Alexander Bondar9a613042013-03-05 12:54:00 +0200395 cmd.flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
396
Alexander Bondarb571a692013-05-21 14:49:09 +0300397#ifdef CONFIG_IWLWIFI_DEBUGFS
398 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF &&
399 mvmvif->dbgfs_pm.disable_power_off)
400 cmd.flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK);
401#endif
Alexander Bondar3f0b2b32013-03-05 14:08:23 +0200402 iwl_mvm_power_log(mvm, &cmd);
Johannes Berg8ca151b2013-01-24 14:25:36 +0100403
Alexander Bondare811ada2013-03-10 15:29:44 +0200404 return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, CMD_ASYNC,
Johannes Berg8ca151b2013-01-24 14:25:36 +0100405 sizeof(cmd), &cmd);
406}
Hila Gonen7df15b12012-12-12 11:16:19 +0200407
Alexander Bondarb571a692013-05-21 14:49:09 +0300408#ifdef CONFIG_IWLWIFI_DEBUGFS
Alexander Bondare811ada2013-03-10 15:29:44 +0200409static int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
410 struct ieee80211_vif *vif, char *buf,
411 int bufsz)
412{
413 struct iwl_mac_power_cmd cmd = {};
414 int pos = 0;
415
416 iwl_mvm_power_build_cmd(mvm, vif, &cmd);
417
418 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off = %d\n",
419 (cmd.flags &
420 cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK)) ?
421 0 : 1);
Alexander Bondare811ada2013-03-10 15:29:44 +0200422 pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
423 iwlmvm_mod_params.power_scheme);
424 pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
425 le16_to_cpu(cmd.flags));
426 pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
427 le16_to_cpu(cmd.keep_alive_seconds));
428
429 if (cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) {
430 pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
431 (cmd.flags &
432 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ?
433 1 : 0);
Alexander Bondare3c588e2013-04-07 14:08:59 +0300434 pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
435 cmd.skip_dtim_periods);
436 if (!(cmd.flags &
437 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
438 pos += scnprintf(buf+pos, bufsz-pos,
439 "rx_data_timeout = %d\n",
440 le32_to_cpu(cmd.rx_data_timeout));
441 pos += scnprintf(buf+pos, bufsz-pos,
442 "tx_data_timeout = %d\n",
443 le32_to_cpu(cmd.tx_data_timeout));
444 }
Alexander Bondare811ada2013-03-10 15:29:44 +0200445 if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
446 pos += scnprintf(buf+pos, bufsz-pos,
447 "lprx_rssi_threshold = %d\n",
448 cmd.lprx_rssi_threshold);
Alexander Bondare3c588e2013-04-07 14:08:59 +0300449 if (cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
450 pos +=
451 scnprintf(buf+pos, bufsz-pos,
452 "rx_data_timeout_uapsd = %d\n",
453 le32_to_cpu(cmd.rx_data_timeout_uapsd));
454 pos +=
455 scnprintf(buf+pos, bufsz-pos,
456 "tx_data_timeout_uapsd = %d\n",
457 le32_to_cpu(cmd.tx_data_timeout_uapsd));
458 pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n",
459 cmd.qndp_tid);
460 pos += scnprintf(buf+pos, bufsz-pos,
461 "uapsd_ac_flags = 0x%x\n",
462 cmd.uapsd_ac_flags);
463 pos += scnprintf(buf+pos, bufsz-pos,
464 "uapsd_max_sp = %d\n",
465 cmd.uapsd_max_sp);
466 pos += scnprintf(buf+pos, bufsz-pos,
467 "heavy_tx_thld_packets = %d\n",
468 cmd.heavy_tx_thld_packets);
469 pos += scnprintf(buf+pos, bufsz-pos,
470 "heavy_rx_thld_packets = %d\n",
471 cmd.heavy_rx_thld_packets);
472 pos += scnprintf(buf+pos, bufsz-pos,
473 "heavy_tx_thld_percentage = %d\n",
474 cmd.heavy_tx_thld_percentage);
475 pos += scnprintf(buf+pos, bufsz-pos,
476 "heavy_rx_thld_percentage = %d\n",
477 cmd.heavy_rx_thld_percentage);
478 }
Alexander Bondare811ada2013-03-10 15:29:44 +0200479 }
480 return pos;
481}
482
Alexander Bondarb571a692013-05-21 14:49:09 +0300483void
484iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
485 struct iwl_beacon_filter_cmd *cmd)
486{
487 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
488 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
489
490 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
Hila Gonen5dca7c22013-07-16 11:15:35 +0300491 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
Alexander Bondarb571a692013-05-21 14:49:09 +0300492 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
493 cmd->bf_roaming_energy_delta =
Hila Gonen5dca7c22013-07-16 11:15:35 +0300494 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
Alexander Bondarb571a692013-05-21 14:49:09 +0300495 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
Hila Gonen5dca7c22013-07-16 11:15:35 +0300496 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
497 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
498 cmd->bf_temp_threshold =
499 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
500 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
501 cmd->bf_temp_fast_filter =
502 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
503 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
504 cmd->bf_temp_slow_filter =
505 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
Alexander Bondarb571a692013-05-21 14:49:09 +0300506 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
Hila Gonen5dca7c22013-07-16 11:15:35 +0300507 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
Alexander Bondarb571a692013-05-21 14:49:09 +0300508 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
509 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
510 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
511 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
512 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
Hila Gonen5dca7c22013-07-16 11:15:35 +0300513 cmd->ba_enable_beacon_abort =
514 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
Alexander Bondarb571a692013-05-21 14:49:09 +0300515}
516#endif
517
Hila Gonen7df15b12012-12-12 11:16:19 +0200518int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
519 struct ieee80211_vif *vif)
520{
521 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
522 struct iwl_beacon_filter_cmd cmd = {
Alexander Bondar071d49902013-05-06 13:03:59 +0300523 IWL_BF_CMD_CONFIG_DEFAULTS,
Hila Gonen5dca7c22013-07-16 11:15:35 +0300524 .bf_enable_beacon_filter = cpu_to_le32(1),
Hila Gonen7df15b12012-12-12 11:16:19 +0200525 };
Alexander Bondar071d49902013-05-06 13:03:59 +0300526 int ret;
Hila Gonen7df15b12012-12-12 11:16:19 +0200527
528 if (mvmvif != mvm->bf_allowed_vif ||
529 vif->type != NL80211_IFTYPE_STATION || vif->p2p)
530 return 0;
531
Andrei Otcheretianskia20fd392013-07-21 17:23:59 +0300532 iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, &cmd);
Alexander Bondarb571a692013-05-21 14:49:09 +0300533 iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd);
Alexander Bondar071d49902013-05-06 13:03:59 +0300534 ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd);
535
536 if (!ret)
Andrei Otcheretianskia20fd392013-07-21 17:23:59 +0300537 mvmvif->bf_data.bf_enabled = true;
Alexander Bondar071d49902013-05-06 13:03:59 +0300538
539 return ret;
Hila Gonen7df15b12012-12-12 11:16:19 +0200540}
541
542int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
543 struct ieee80211_vif *vif)
544{
Alexander Bondar071d49902013-05-06 13:03:59 +0300545 struct iwl_beacon_filter_cmd cmd = {};
546 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
547 int ret;
Hila Gonen7df15b12012-12-12 11:16:19 +0200548
Hila Gonen5dca7c22013-07-16 11:15:35 +0300549 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BF_UPDATED) ||
550 vif->type != NL80211_IFTYPE_STATION || vif->p2p)
Hila Gonen7df15b12012-12-12 11:16:19 +0200551 return 0;
552
Alexander Bondar071d49902013-05-06 13:03:59 +0300553 ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd);
554
555 if (!ret)
Andrei Otcheretianskia20fd392013-07-21 17:23:59 +0300556 mvmvif->bf_data.bf_enabled = false;
Alexander Bondar071d49902013-05-06 13:03:59 +0300557
558 return ret;
Hila Gonen7df15b12012-12-12 11:16:19 +0200559}
Alexander Bondare811ada2013-03-10 15:29:44 +0200560
Andrei Otcheretianskia20fd392013-07-21 17:23:59 +0300561int iwl_mvm_update_beacon_filter(struct iwl_mvm *mvm,
562 struct ieee80211_vif *vif)
563{
564 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
565
566 if (!mvmvif->bf_data.bf_enabled)
567 return 0;
568
569 return iwl_mvm_enable_beacon_filter(mvm, vif);
570}
571
Alexander Bondare811ada2013-03-10 15:29:44 +0200572const struct iwl_mvm_power_ops pm_mac_ops = {
573 .power_update_mode = iwl_mvm_power_mac_update_mode,
574 .power_disable = iwl_mvm_power_mac_disable,
575#ifdef CONFIG_IWLWIFI_DEBUGFS
576 .power_dbgfs_read = iwl_mvm_power_mac_dbgfs_read,
577#endif
578};