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0c817338 LF |
1 | /****************************************************************************** |
2 | * | |
a8d76066 | 3 | * Copyright(c) 2009-2012 Realtek Corporation. |
0c817338 LF |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
17 | * | |
18 | * The full GNU General Public License is included in this distribution in the | |
19 | * file called LICENSE. | |
20 | * | |
21 | * Contact Information: | |
22 | * wlanfae <wlanfae@realtek.com> | |
23 | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, | |
24 | * Hsinchu 300, Taiwan. | |
25 | * | |
26 | * Larry Finger <Larry.Finger@lwfinger.net> | |
27 | * | |
28 | *****************************************************************************/ | |
29 | ||
ee40fa06 | 30 | #include <linux/export.h> |
0c817338 LF |
31 | #include "wifi.h" |
32 | #include "base.h" | |
33 | #include "ps.h" | |
34 | ||
25b13dbc LF |
35 | /* Description: |
36 | * This routine deals with the Power Configuration CMD | |
37 | * parsing for RTL8723/RTL8188E Series IC. | |
38 | * Assumption: | |
39 | * We should follow specific format that was released from HW SD. | |
40 | */ | |
41 | bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, | |
42 | u8 faversion, u8 interface_type, | |
43 | struct wlan_pwr_cfg pwrcfgcmd[]) | |
44 | { | |
45 | struct wlan_pwr_cfg cfg_cmd = {0}; | |
46 | bool polling_bit = false; | |
47 | u32 ary_idx = 0; | |
48 | u8 value = 0; | |
49 | u32 offset = 0; | |
50 | u32 polling_count = 0; | |
51 | u32 max_polling_cnt = 5000; | |
52 | ||
53 | do { | |
54 | cfg_cmd = pwrcfgcmd[ary_idx]; | |
55 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
56 | "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x)," | |
57 | "interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", | |
58 | GET_PWR_CFG_OFFSET(cfg_cmd), | |
59 | GET_PWR_CFG_CUT_MASK(cfg_cmd), | |
60 | GET_PWR_CFG_FAB_MASK(cfg_cmd), | |
61 | GET_PWR_CFG_INTF_MASK(cfg_cmd), | |
62 | GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), | |
63 | GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); | |
64 | ||
65 | if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && | |
66 | (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && | |
67 | (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { | |
68 | switch (GET_PWR_CFG_CMD(cfg_cmd)) { | |
69 | case PWR_CMD_READ: | |
70 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
71 | "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); | |
72 | break; | |
73 | case PWR_CMD_WRITE: | |
74 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
75 | "rtl_hal_pwrseqcmdparsing(): PWR_CMD_WRITE\n"); | |
76 | offset = GET_PWR_CFG_OFFSET(cfg_cmd); | |
77 | ||
78 | /*Read the value from system register*/ | |
79 | value = rtl_read_byte(rtlpriv, offset); | |
80 | value &= (~(GET_PWR_CFG_MASK(cfg_cmd))); | |
81 | value |= (GET_PWR_CFG_VALUE(cfg_cmd) & | |
82 | GET_PWR_CFG_MASK(cfg_cmd)); | |
83 | ||
84 | /*Write the value back to sytem register*/ | |
85 | rtl_write_byte(rtlpriv, offset, value); | |
86 | break; | |
87 | case PWR_CMD_POLLING: | |
88 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
89 | "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); | |
90 | polling_bit = false; | |
91 | offset = GET_PWR_CFG_OFFSET(cfg_cmd); | |
92 | ||
93 | do { | |
94 | value = rtl_read_byte(rtlpriv, offset); | |
95 | ||
96 | value &= GET_PWR_CFG_MASK(cfg_cmd); | |
97 | if (value == | |
98 | (GET_PWR_CFG_VALUE(cfg_cmd) | |
99 | & GET_PWR_CFG_MASK(cfg_cmd))) | |
100 | polling_bit = true; | |
101 | else | |
102 | udelay(10); | |
103 | ||
104 | if (polling_count++ > max_polling_cnt) | |
105 | return false; | |
106 | } while (!polling_bit); | |
107 | break; | |
108 | case PWR_CMD_DELAY: | |
109 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
110 | "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n"); | |
111 | if (GET_PWR_CFG_VALUE(cfg_cmd) == | |
112 | PWRSEQ_DELAY_US) | |
113 | udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); | |
114 | else | |
115 | mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); | |
116 | break; | |
117 | case PWR_CMD_END: | |
118 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, | |
119 | "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n"); | |
120 | return true; | |
121 | default: | |
122 | RT_ASSERT(false, | |
123 | "rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"); | |
124 | break; | |
125 | } | |
126 | ||
127 | } | |
128 | ary_idx++; | |
129 | } while (1); | |
130 | ||
131 | return true; | |
132 | } | |
133 | EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing); | |
134 | ||
0c817338 LF |
135 | bool rtl_ps_enable_nic(struct ieee80211_hw *hw) |
136 | { | |
137 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
138 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
139 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
0c817338 LF |
140 | |
141 | /*<1> reset trx ring */ | |
142 | if (rtlhal->interface == INTF_PCI) | |
143 | rtlpriv->intf_ops->reset_trx_ring(hw); | |
144 | ||
145 | if (is_hal_stop(rtlhal)) | |
146 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
f30d7507 | 147 | "Driver is already down!\n"); |
0c817338 LF |
148 | |
149 | /*<2> Enable Adapter */ | |
b0302aba | 150 | if (rtlpriv->cfg->ops->hw_init(hw)) |
2e8c5e56 | 151 | return false; |
0c817338 | 152 | RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC); |
0c817338 LF |
153 | |
154 | /*<3> Enable Interrupt */ | |
155 | rtlpriv->cfg->ops->enable_interrupt(hw); | |
156 | ||
157 | /*<enable timer> */ | |
158 | rtl_watch_dog_timer_callback((unsigned long)hw); | |
159 | ||
cc7dc0c4 | 160 | return true; |
0c817338 LF |
161 | } |
162 | EXPORT_SYMBOL(rtl_ps_enable_nic); | |
163 | ||
164 | bool rtl_ps_disable_nic(struct ieee80211_hw *hw) | |
165 | { | |
0c817338 LF |
166 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
167 | ||
168 | /*<1> Stop all timer */ | |
169 | rtl_deinit_deferred_work(hw); | |
170 | ||
171 | /*<2> Disable Interrupt */ | |
172 | rtlpriv->cfg->ops->disable_interrupt(hw); | |
67fc6052 | 173 | tasklet_kill(&rtlpriv->works.irq_tasklet); |
0c817338 LF |
174 | |
175 | /*<3> Disable Adapter */ | |
176 | rtlpriv->cfg->ops->hw_disable(hw); | |
177 | ||
32473284 | 178 | return true; |
0c817338 LF |
179 | } |
180 | EXPORT_SYMBOL(rtl_ps_disable_nic); | |
181 | ||
182 | bool rtl_ps_set_rf_state(struct ieee80211_hw *hw, | |
183 | enum rf_pwrstate state_toset, | |
4b9d8d67 | 184 | u32 changesource) |
0c817338 LF |
185 | { |
186 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
187 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
7ea47240 | 188 | bool actionallowed = false; |
0c817338 | 189 | |
0c817338 LF |
190 | switch (state_toset) { |
191 | case ERFON: | |
192 | ppsc->rfoff_reason &= (~changesource); | |
193 | ||
194 | if ((changesource == RF_CHANGE_BY_HW) && | |
e10542c4 | 195 | (ppsc->hwradiooff)) { |
7ea47240 | 196 | ppsc->hwradiooff = false; |
0c817338 LF |
197 | } |
198 | ||
199 | if (!ppsc->rfoff_reason) { | |
200 | ppsc->rfoff_reason = 0; | |
7ea47240 | 201 | actionallowed = true; |
0c817338 LF |
202 | } |
203 | ||
204 | break; | |
205 | ||
206 | case ERFOFF: | |
207 | ||
23677ce3 | 208 | if ((changesource == RF_CHANGE_BY_HW) && !ppsc->hwradiooff) { |
7ea47240 | 209 | ppsc->hwradiooff = true; |
0c817338 LF |
210 | } |
211 | ||
212 | ppsc->rfoff_reason |= changesource; | |
7ea47240 | 213 | actionallowed = true; |
0c817338 LF |
214 | break; |
215 | ||
216 | case ERFSLEEP: | |
217 | ppsc->rfoff_reason |= changesource; | |
7ea47240 | 218 | actionallowed = true; |
0c817338 LF |
219 | break; |
220 | ||
221 | default: | |
222 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
f30d7507 | 223 | "switch case not processed\n"); |
0c817338 LF |
224 | break; |
225 | } | |
226 | ||
7ea47240 | 227 | if (actionallowed) |
0c817338 LF |
228 | rtlpriv->cfg->ops->set_rf_power_state(hw, state_toset); |
229 | ||
7ea47240 | 230 | return actionallowed; |
0c817338 LF |
231 | } |
232 | EXPORT_SYMBOL(rtl_ps_set_rf_state); | |
233 | ||
234 | static void _rtl_ps_inactive_ps(struct ieee80211_hw *hw) | |
235 | { | |
236 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
237 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
238 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
239 | ||
7ea47240 | 240 | ppsc->swrf_processing = true; |
0c817338 | 241 | |
099fb8ab | 242 | if (ppsc->inactive_pwrstate == ERFON && |
cc7dc0c4 | 243 | rtlhal->interface == INTF_PCI) { |
0c817338 | 244 | if ((ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM) && |
cc7dc0c4 | 245 | RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM) && |
0c817338 LF |
246 | rtlhal->interface == INTF_PCI) { |
247 | rtlpriv->intf_ops->disable_aspm(hw); | |
cc7dc0c4 | 248 | RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM); |
0c817338 LF |
249 | } |
250 | } | |
251 | ||
4b9d8d67 | 252 | rtl_ps_set_rf_state(hw, ppsc->inactive_pwrstate, RF_CHANGE_BY_IPS); |
0c817338 LF |
253 | |
254 | if (ppsc->inactive_pwrstate == ERFOFF && | |
255 | rtlhal->interface == INTF_PCI) { | |
cc7dc0c4 C |
256 | if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM && |
257 | !RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) { | |
0c817338 | 258 | rtlpriv->intf_ops->enable_aspm(hw); |
cc7dc0c4 | 259 | RT_SET_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM); |
0c817338 LF |
260 | } |
261 | } | |
262 | ||
7ea47240 | 263 | ppsc->swrf_processing = false; |
0c817338 LF |
264 | } |
265 | ||
266 | void rtl_ips_nic_off_wq_callback(void *data) | |
267 | { | |
268 | struct rtl_works *rtlworks = | |
269 | container_of_dwork_rtl(data, struct rtl_works, ips_nic_off_wq); | |
270 | struct ieee80211_hw *hw = rtlworks->hw; | |
271 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
272 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
273 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
274 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
275 | enum rf_pwrstate rtstate; | |
276 | ||
277 | if (mac->opmode != NL80211_IFTYPE_STATION) { | |
278 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
f30d7507 | 279 | "not station return\n"); |
0c817338 LF |
280 | return; |
281 | } | |
282 | ||
26634c4b LF |
283 | if (mac->p2p_in_use) |
284 | return; | |
285 | ||
cc7dc0c4 C |
286 | if (mac->link_state > MAC80211_NOLINK) |
287 | return; | |
288 | ||
0c817338 LF |
289 | if (is_hal_stop(rtlhal)) |
290 | return; | |
291 | ||
292 | if (rtlpriv->sec.being_setkey) | |
293 | return; | |
294 | ||
26634c4b LF |
295 | if (rtlpriv->cfg->ops->bt_coex_off_before_lps) |
296 | rtlpriv->cfg->ops->bt_coex_off_before_lps(hw); | |
297 | ||
7ea47240 | 298 | if (ppsc->inactiveps) { |
0c817338 LF |
299 | rtstate = ppsc->rfpwr_state; |
300 | ||
301 | /* | |
302 | *Do not enter IPS in the following conditions: | |
303 | *(1) RF is already OFF or Sleep | |
7ea47240 | 304 | *(2) swrf_processing (indicates the IPS is still under going) |
0c817338 LF |
305 | *(3) Connectted (only disconnected can trigger IPS) |
306 | *(4) IBSS (send Beacon) | |
307 | *(5) AP mode (send Beacon) | |
308 | *(6) monitor mode (rcv packet) | |
309 | */ | |
310 | ||
311 | if (rtstate == ERFON && | |
7ea47240 | 312 | !ppsc->swrf_processing && |
0c817338 LF |
313 | (mac->link_state == MAC80211_NOLINK) && |
314 | !mac->act_scanning) { | |
315 | RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE, | |
f30d7507 | 316 | "IPSEnter(): Turn off RF\n"); |
0c817338 LF |
317 | |
318 | ppsc->inactive_pwrstate = ERFOFF; | |
7ea47240 | 319 | ppsc->in_powersavemode = true; |
0c817338 LF |
320 | |
321 | /*rtl_pci_reset_trx_ring(hw); */ | |
322 | _rtl_ps_inactive_ps(hw); | |
323 | } | |
324 | } | |
325 | } | |
326 | ||
327 | void rtl_ips_nic_off(struct ieee80211_hw *hw) | |
328 | { | |
329 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
330 | ||
331 | /* | |
332 | *because when link with ap, mac80211 will ask us | |
333 | *to disable nic quickly after scan before linking, | |
334 | *this will cause link failed, so we delay 100ms here | |
335 | */ | |
336 | queue_delayed_work(rtlpriv->works.rtl_wq, | |
337 | &rtlpriv->works.ips_nic_off_wq, MSECS(100)); | |
338 | } | |
339 | ||
26634c4b LF |
340 | /* NOTICE: any opmode should exc nic_on, or disable without |
341 | * nic_on may something wrong, like adhoc TP | |
342 | */ | |
0c817338 LF |
343 | void rtl_ips_nic_on(struct ieee80211_hw *hw) |
344 | { | |
345 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
cc7dc0c4 | 346 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
0c817338 LF |
347 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); |
348 | enum rf_pwrstate rtstate; | |
b9116b9a | 349 | unsigned long flags; |
0c817338 | 350 | |
cc7dc0c4 C |
351 | if (mac->opmode != NL80211_IFTYPE_STATION) |
352 | return; | |
353 | ||
b9116b9a | 354 | spin_lock_irqsave(&rtlpriv->locks.ips_lock, flags); |
0c817338 | 355 | |
7ea47240 | 356 | if (ppsc->inactiveps) { |
0c817338 LF |
357 | rtstate = ppsc->rfpwr_state; |
358 | ||
359 | if (rtstate != ERFON && | |
7ea47240 | 360 | !ppsc->swrf_processing && |
0c817338 LF |
361 | ppsc->rfoff_reason <= RF_CHANGE_BY_IPS) { |
362 | ||
363 | ppsc->inactive_pwrstate = ERFON; | |
7ea47240 | 364 | ppsc->in_powersavemode = false; |
0c817338 LF |
365 | |
366 | _rtl_ps_inactive_ps(hw); | |
367 | } | |
368 | } | |
369 | ||
b9116b9a | 370 | spin_unlock_irqrestore(&rtlpriv->locks.ips_lock, flags); |
0c817338 | 371 | } |
6f334c2b | 372 | EXPORT_SYMBOL_GPL(rtl_ips_nic_on); |
0c817338 LF |
373 | |
374 | /*for FW LPS*/ | |
375 | ||
376 | /* | |
377 | *Determine if we can set Fw into PS mode | |
378 | *in current condition.Return TRUE if it | |
379 | *can enter PS mode. | |
380 | */ | |
381 | static bool rtl_get_fwlps_doze(struct ieee80211_hw *hw) | |
382 | { | |
383 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
384 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
385 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
386 | u32 ps_timediff; | |
387 | ||
388 | ps_timediff = jiffies_to_msecs(jiffies - | |
389 | ppsc->last_delaylps_stamp_jiffies); | |
390 | ||
391 | if (ps_timediff < 2000) { | |
392 | RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, | |
f30d7507 | 393 | "Delay enter Fw LPS for DHCP, ARP, or EAPOL exchanging state\n"); |
0c817338 LF |
394 | return false; |
395 | } | |
396 | ||
397 | if (mac->link_state != MAC80211_LINKED) | |
398 | return false; | |
399 | ||
400 | if (mac->opmode == NL80211_IFTYPE_ADHOC) | |
401 | return false; | |
402 | ||
403 | return true; | |
404 | } | |
405 | ||
406 | /* Change current and default preamble mode.*/ | |
407 | static void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode) | |
408 | { | |
409 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
410 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
411 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
26634c4b | 412 | bool enter_fwlps; |
0c817338 LF |
413 | |
414 | if (mac->opmode == NL80211_IFTYPE_ADHOC) | |
415 | return; | |
416 | ||
417 | if (mac->link_state != MAC80211_LINKED) | |
418 | return; | |
419 | ||
420 | if (ppsc->dot11_psmode == rt_psmode) | |
421 | return; | |
422 | ||
423 | /* Update power save mode configured. */ | |
424 | ppsc->dot11_psmode = rt_psmode; | |
425 | ||
426 | /* | |
427 | *<FW control LPS> | |
428 | *1. Enter PS mode | |
429 | * Set RPWM to Fw to turn RF off and send H2C fw_pwrmode | |
430 | * cmd to set Fw into PS mode. | |
431 | *2. Leave PS mode | |
432 | * Send H2C fw_pwrmode cmd to Fw to set Fw into Active | |
433 | * mode and set RPWM to turn RF on. | |
434 | */ | |
435 | ||
cc7dc0c4 | 436 | if ((ppsc->fwctrl_lps) && ppsc->report_linked) { |
0c817338 LF |
437 | if (ppsc->dot11_psmode == EACTIVE) { |
438 | RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG, | |
f30d7507 JP |
439 | "FW LPS leave ps_mode:%x\n", |
440 | FW_PS_ACTIVE_MODE); | |
26634c4b LF |
441 | enter_fwlps = false; |
442 | ppsc->pwr_mode = FW_PS_ACTIVE_MODE; | |
443 | ppsc->smart_ps = 0; | |
0c817338 | 444 | rtlpriv->cfg->ops->set_hw_reg(hw, |
26634c4b LF |
445 | HW_VAR_FW_LPS_ACTION, |
446 | (u8 *)(&enter_fwlps)); | |
447 | if (ppsc->p2p_ps_info.opp_ps) | |
448 | rtl_p2p_ps_cmd(hw, P2P_PS_ENABLE); | |
0c817338 LF |
449 | |
450 | } else { | |
451 | if (rtl_get_fwlps_doze(hw)) { | |
452 | RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG, | |
f30d7507 JP |
453 | "FW LPS enter ps_mode:%x\n", |
454 | ppsc->fwctrl_psmode); | |
26634c4b LF |
455 | enter_fwlps = true; |
456 | ppsc->pwr_mode = ppsc->fwctrl_psmode; | |
457 | ppsc->smart_ps = 2; | |
0c817338 | 458 | rtlpriv->cfg->ops->set_hw_reg(hw, |
26634c4b LF |
459 | HW_VAR_FW_LPS_ACTION, |
460 | (u8 *)(&enter_fwlps)); | |
0c817338 | 461 | |
0c817338 LF |
462 | } else { |
463 | /* Reset the power save related parameters. */ | |
464 | ppsc->dot11_psmode = EACTIVE; | |
465 | } | |
466 | } | |
467 | } | |
468 | } | |
469 | ||
470 | /*Enter the leisure power save mode.*/ | |
471 | void rtl_lps_enter(struct ieee80211_hw *hw) | |
472 | { | |
473 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
474 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
475 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
0c817338 | 476 | |
cc7dc0c4 | 477 | if (!ppsc->fwctrl_lps) |
0c817338 LF |
478 | return; |
479 | ||
480 | if (rtlpriv->sec.being_setkey) | |
481 | return; | |
482 | ||
7ea47240 | 483 | if (rtlpriv->link_info.busytraffic) |
0c817338 LF |
484 | return; |
485 | ||
486 | /*sleep after linked 10s, to let DHCP and 4-way handshake ok enough!! */ | |
487 | if (mac->cnt_after_linked < 5) | |
488 | return; | |
489 | ||
490 | if (mac->opmode == NL80211_IFTYPE_ADHOC) | |
491 | return; | |
492 | ||
493 | if (mac->link_state != MAC80211_LINKED) | |
494 | return; | |
495 | ||
6539306b | 496 | mutex_lock(&rtlpriv->locks.ps_mutex); |
0c817338 | 497 | |
cc7dc0c4 C |
498 | /* Idle for a while if we connect to AP a while ago. */ |
499 | if (mac->cnt_after_linked >= 2) { | |
500 | if (ppsc->dot11_psmode == EACTIVE) { | |
501 | RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, | |
f30d7507 | 502 | "Enter 802.11 power save mode...\n"); |
0c817338 | 503 | |
cc7dc0c4 | 504 | rtl_lps_set_psmode(hw, EAUTOPS); |
0c817338 LF |
505 | } |
506 | } | |
cc7dc0c4 | 507 | |
6539306b | 508 | mutex_unlock(&rtlpriv->locks.ps_mutex); |
0c817338 LF |
509 | } |
510 | ||
511 | /*Leave the leisure power save mode.*/ | |
512 | void rtl_lps_leave(struct ieee80211_hw *hw) | |
513 | { | |
514 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
515 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
516 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
0c817338 | 517 | |
6539306b | 518 | mutex_lock(&rtlpriv->locks.ps_mutex); |
0c817338 | 519 | |
cc7dc0c4 | 520 | if (ppsc->fwctrl_lps) { |
0c817338 LF |
521 | if (ppsc->dot11_psmode != EACTIVE) { |
522 | ||
523 | /*FIX ME */ | |
524 | rtlpriv->cfg->ops->enable_interrupt(hw); | |
525 | ||
526 | if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM && | |
cc7dc0c4 | 527 | RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM) && |
0c817338 LF |
528 | rtlhal->interface == INTF_PCI) { |
529 | rtlpriv->intf_ops->disable_aspm(hw); | |
cc7dc0c4 | 530 | RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM); |
0c817338 LF |
531 | } |
532 | ||
533 | RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, | |
f30d7507 | 534 | "Busy Traffic,Leave 802.11 power save..\n"); |
0c817338 LF |
535 | |
536 | rtl_lps_set_psmode(hw, EACTIVE); | |
537 | } | |
538 | } | |
6539306b | 539 | mutex_unlock(&rtlpriv->locks.ps_mutex); |
0c817338 | 540 | } |
cc7dc0c4 C |
541 | |
542 | /* For sw LPS*/ | |
543 | void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len) | |
544 | { | |
545 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
546 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
2c208890 | 547 | struct ieee80211_hdr *hdr = data; |
cc7dc0c4 C |
548 | struct ieee80211_tim_ie *tim_ie; |
549 | u8 *tim; | |
550 | u8 tim_len; | |
551 | bool u_buffed; | |
552 | bool m_buffed; | |
553 | ||
554 | if (mac->opmode != NL80211_IFTYPE_STATION) | |
555 | return; | |
556 | ||
557 | if (!rtlpriv->psc.swctrl_lps) | |
558 | return; | |
559 | ||
560 | if (rtlpriv->mac80211.link_state != MAC80211_LINKED) | |
561 | return; | |
562 | ||
563 | if (!rtlpriv->psc.sw_ps_enabled) | |
564 | return; | |
565 | ||
566 | if (rtlpriv->psc.fwctrl_lps) | |
567 | return; | |
568 | ||
569 | if (likely(!(hw->conf.flags & IEEE80211_CONF_PS))) | |
570 | return; | |
571 | ||
572 | /* check if this really is a beacon */ | |
573 | if (!ieee80211_is_beacon(hdr->frame_control)) | |
574 | return; | |
575 | ||
576 | /* min. beacon length + FCS_LEN */ | |
577 | if (len <= 40 + FCS_LEN) | |
578 | return; | |
579 | ||
580 | /* and only beacons from the associated BSSID, please */ | |
90908e1c | 581 | if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) |
cc7dc0c4 C |
582 | return; |
583 | ||
584 | rtlpriv->psc.last_beacon = jiffies; | |
585 | ||
586 | tim = rtl_find_ie(data, len - FCS_LEN, WLAN_EID_TIM); | |
587 | if (!tim) | |
588 | return; | |
589 | ||
590 | if (tim[1] < sizeof(*tim_ie)) | |
591 | return; | |
592 | ||
593 | tim_len = tim[1]; | |
594 | tim_ie = (struct ieee80211_tim_ie *) &tim[2]; | |
595 | ||
596 | if (!WARN_ON_ONCE(!hw->conf.ps_dtim_period)) | |
597 | rtlpriv->psc.dtim_counter = tim_ie->dtim_count; | |
598 | ||
599 | /* Check whenever the PHY can be turned off again. */ | |
600 | ||
601 | /* 1. What about buffered unicast traffic for our AID? */ | |
602 | u_buffed = ieee80211_check_tim(tim_ie, tim_len, | |
603 | rtlpriv->mac80211.assoc_id); | |
604 | ||
605 | /* 2. Maybe the AP wants to send multicast/broadcast data? */ | |
606 | m_buffed = tim_ie->bitmap_ctrl & 0x01; | |
607 | rtlpriv->psc.multi_buffered = m_buffed; | |
608 | ||
609 | /* unicast will process by mac80211 through | |
610 | * set ~IEEE80211_CONF_PS, So we just check | |
611 | * multicast frames here */ | |
612 | if (!m_buffed) { | |
613 | /* back to low-power land. and delay is | |
614 | * prevent null power save frame tx fail */ | |
615 | queue_delayed_work(rtlpriv->works.rtl_wq, | |
616 | &rtlpriv->works.ps_work, MSECS(5)); | |
617 | } else { | |
f30d7507 JP |
618 | RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, |
619 | "u_bufferd: %x, m_buffered: %x\n", u_buffed, m_buffed); | |
cc7dc0c4 C |
620 | } |
621 | } | |
6f334c2b | 622 | EXPORT_SYMBOL_GPL(rtl_swlps_beacon); |
cc7dc0c4 C |
623 | |
624 | void rtl_swlps_rf_awake(struct ieee80211_hw *hw) | |
625 | { | |
626 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
627 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
628 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
cc7dc0c4 C |
629 | |
630 | if (!rtlpriv->psc.swctrl_lps) | |
631 | return; | |
632 | if (mac->link_state != MAC80211_LINKED) | |
633 | return; | |
634 | ||
635 | if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM && | |
636 | RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) { | |
637 | rtlpriv->intf_ops->disable_aspm(hw); | |
638 | RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM); | |
639 | } | |
640 | ||
6539306b | 641 | mutex_lock(&rtlpriv->locks.ps_mutex); |
4b9d8d67 | 642 | rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS); |
6539306b | 643 | mutex_unlock(&rtlpriv->locks.ps_mutex); |
cc7dc0c4 C |
644 | } |
645 | ||
646 | void rtl_swlps_rfon_wq_callback(void *data) | |
647 | { | |
648 | struct rtl_works *rtlworks = | |
649 | container_of_dwork_rtl(data, struct rtl_works, ps_rfon_wq); | |
650 | struct ieee80211_hw *hw = rtlworks->hw; | |
651 | ||
652 | rtl_swlps_rf_awake(hw); | |
653 | } | |
654 | ||
655 | void rtl_swlps_rf_sleep(struct ieee80211_hw *hw) | |
656 | { | |
657 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
658 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
659 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
cc7dc0c4 C |
660 | u8 sleep_intv; |
661 | ||
662 | if (!rtlpriv->psc.sw_ps_enabled) | |
663 | return; | |
664 | ||
665 | if ((rtlpriv->sec.being_setkey) || | |
666 | (mac->opmode == NL80211_IFTYPE_ADHOC)) | |
667 | return; | |
668 | ||
669 | /*sleep after linked 10s, to let DHCP and 4-way handshake ok enough!! */ | |
670 | if ((mac->link_state != MAC80211_LINKED) || (mac->cnt_after_linked < 5)) | |
671 | return; | |
672 | ||
673 | if (rtlpriv->link_info.busytraffic) | |
674 | return; | |
675 | ||
6539306b | 676 | mutex_lock(&rtlpriv->locks.ps_mutex); |
4b9d8d67 | 677 | rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS); |
6539306b | 678 | mutex_unlock(&rtlpriv->locks.ps_mutex); |
cc7dc0c4 C |
679 | |
680 | if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM && | |
681 | !RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) { | |
682 | rtlpriv->intf_ops->enable_aspm(hw); | |
683 | RT_SET_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM); | |
684 | } | |
685 | ||
686 | /* here is power save alg, when this beacon is DTIM | |
687 | * we will set sleep time to dtim_period * n; | |
688 | * when this beacon is not DTIM, we will set sleep | |
689 | * time to sleep_intv = rtlpriv->psc.dtim_counter or | |
690 | * MAX_SW_LPS_SLEEP_INTV(default set to 5) */ | |
691 | ||
692 | if (rtlpriv->psc.dtim_counter == 0) { | |
693 | if (hw->conf.ps_dtim_period == 1) | |
694 | sleep_intv = hw->conf.ps_dtim_period * 2; | |
695 | else | |
696 | sleep_intv = hw->conf.ps_dtim_period; | |
697 | } else { | |
698 | sleep_intv = rtlpriv->psc.dtim_counter; | |
699 | } | |
700 | ||
701 | if (sleep_intv > MAX_SW_LPS_SLEEP_INTV) | |
702 | sleep_intv = MAX_SW_LPS_SLEEP_INTV; | |
703 | ||
704 | /* this print should always be dtim_conter = 0 & | |
705 | * sleep = dtim_period, that meaons, we should | |
706 | * awake before every dtim */ | |
707 | RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, | |
f30d7507 JP |
708 | "dtim_counter:%x will sleep :%d beacon_intv\n", |
709 | rtlpriv->psc.dtim_counter, sleep_intv); | |
cc7dc0c4 C |
710 | |
711 | /* we tested that 40ms is enough for sw & hw sw delay */ | |
712 | queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.ps_rfon_wq, | |
713 | MSECS(sleep_intv * mac->vif->bss_conf.beacon_int - 40)); | |
714 | } | |
715 | ||
bcfb8794 LF |
716 | void rtl_lps_change_work_callback(struct work_struct *work) |
717 | { | |
718 | struct rtl_works *rtlworks = | |
719 | container_of(work, struct rtl_works, lps_change_work); | |
720 | struct ieee80211_hw *hw = rtlworks->hw; | |
721 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
722 | ||
723 | if (rtlpriv->enter_ps) | |
724 | rtl_lps_enter(hw); | |
725 | else | |
726 | rtl_lps_leave(hw); | |
727 | } | |
6f334c2b | 728 | EXPORT_SYMBOL_GPL(rtl_lps_change_work_callback); |
cc7dc0c4 C |
729 | |
730 | void rtl_swlps_wq_callback(void *data) | |
731 | { | |
732 | struct rtl_works *rtlworks = container_of_dwork_rtl(data, | |
733 | struct rtl_works, | |
734 | ps_work); | |
735 | struct ieee80211_hw *hw = rtlworks->hw; | |
736 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
737 | bool ps = false; | |
738 | ||
739 | ps = (hw->conf.flags & IEEE80211_CONF_PS); | |
740 | ||
741 | /* we can sleep after ps null send ok */ | |
742 | if (rtlpriv->psc.state_inap) { | |
743 | rtl_swlps_rf_sleep(hw); | |
744 | ||
745 | if (rtlpriv->psc.state && !ps) { | |
746 | rtlpriv->psc.sleep_ms = jiffies_to_msecs(jiffies - | |
747 | rtlpriv->psc.last_action); | |
748 | } | |
749 | ||
750 | if (ps) | |
751 | rtlpriv->psc.last_slept = jiffies; | |
752 | ||
753 | rtlpriv->psc.last_action = jiffies; | |
754 | rtlpriv->psc.state = ps; | |
755 | } | |
756 | } | |
26634c4b LF |
757 | |
758 | static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data, | |
759 | unsigned int len) | |
760 | { | |
761 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
762 | struct ieee80211_mgmt *mgmt = (void *)data; | |
763 | struct rtl_p2p_ps_info *p2pinfo = &(rtlpriv->psc.p2p_ps_info); | |
764 | u8 *pos, *end, *ie; | |
765 | u16 noa_len; | |
766 | static u8 p2p_oui_ie_type[4] = {0x50, 0x6f, 0x9a, 0x09}; | |
767 | u8 noa_num, index, i, noa_index = 0; | |
768 | bool find_p2p_ie = false , find_p2p_ps_ie = false; | |
769 | pos = (u8 *)mgmt->u.beacon.variable; | |
770 | end = data + len; | |
771 | ie = NULL; | |
772 | ||
773 | while (pos + 1 < end) { | |
774 | if (pos + 2 + pos[1] > end) | |
775 | return; | |
776 | ||
777 | if (pos[0] == 221 && pos[1] > 4) { | |
778 | if (memcmp(&pos[2], p2p_oui_ie_type, 4) == 0) { | |
779 | ie = pos + 2+4; | |
780 | break; | |
781 | } | |
782 | } | |
783 | pos += 2 + pos[1]; | |
784 | } | |
785 | ||
786 | if (ie == NULL) | |
787 | return; | |
788 | find_p2p_ie = true; | |
789 | /*to find noa ie*/ | |
790 | while (ie + 1 < end) { | |
e5b417e7 | 791 | noa_len = READEF2BYTE((__le16 *)&ie[1]); |
26634c4b LF |
792 | if (ie + 3 + ie[1] > end) |
793 | return; | |
794 | ||
795 | if (ie[0] == 12) { | |
796 | find_p2p_ps_ie = true; | |
797 | if ((noa_len - 2) % 13 != 0) { | |
798 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | |
799 | "P2P notice of absence: invalid length.%d\n", | |
800 | noa_len); | |
801 | return; | |
802 | } else { | |
803 | noa_num = (noa_len - 2) / 13; | |
804 | } | |
805 | noa_index = ie[3]; | |
806 | if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode == | |
807 | P2P_PS_NONE || noa_index != p2pinfo->noa_index) { | |
808 | RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, | |
809 | "update NOA ie.\n"); | |
810 | p2pinfo->noa_index = noa_index; | |
811 | p2pinfo->opp_ps = (ie[4] >> 7); | |
812 | p2pinfo->ctwindow = ie[4] & 0x7F; | |
813 | p2pinfo->noa_num = noa_num; | |
814 | index = 5; | |
815 | for (i = 0; i < noa_num; i++) { | |
816 | p2pinfo->noa_count_type[i] = | |
817 | READEF1BYTE(ie+index); | |
818 | index += 1; | |
819 | p2pinfo->noa_duration[i] = | |
e5b417e7 | 820 | READEF4BYTE((__le32 *)ie+index); |
26634c4b LF |
821 | index += 4; |
822 | p2pinfo->noa_interval[i] = | |
e5b417e7 | 823 | READEF4BYTE((__le32 *)ie+index); |
26634c4b LF |
824 | index += 4; |
825 | p2pinfo->noa_start_time[i] = | |
e5b417e7 | 826 | READEF4BYTE((__le32 *)ie+index); |
26634c4b LF |
827 | index += 4; |
828 | } | |
829 | ||
830 | if (p2pinfo->opp_ps == 1) { | |
831 | p2pinfo->p2p_ps_mode = P2P_PS_CTWINDOW; | |
832 | /* Driver should wait LPS entering | |
833 | * CTWindow | |
834 | */ | |
835 | if (rtlpriv->psc.fw_current_inpsmode) | |
836 | rtl_p2p_ps_cmd(hw, | |
837 | P2P_PS_ENABLE); | |
838 | } else if (p2pinfo->noa_num > 0) { | |
839 | p2pinfo->p2p_ps_mode = P2P_PS_NOA; | |
840 | rtl_p2p_ps_cmd(hw, P2P_PS_ENABLE); | |
841 | } else if (p2pinfo->p2p_ps_mode > P2P_PS_NONE) { | |
842 | rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); | |
843 | } | |
844 | } | |
845 | break; | |
846 | } | |
847 | ie += 3 + noa_len; | |
848 | } | |
849 | ||
850 | if (find_p2p_ie == true) { | |
851 | if ((p2pinfo->p2p_ps_mode > P2P_PS_NONE) && | |
852 | (find_p2p_ps_ie == false)) | |
853 | rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); | |
854 | } | |
855 | } | |
856 | ||
857 | static void rtl_p2p_action_ie(struct ieee80211_hw *hw, void *data, | |
858 | unsigned int len) | |
859 | { | |
860 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
861 | struct ieee80211_mgmt *mgmt = (void *)data; | |
862 | struct rtl_p2p_ps_info *p2pinfo = &(rtlpriv->psc.p2p_ps_info); | |
863 | u8 noa_num, index, i, noa_index = 0; | |
864 | u8 *pos, *end, *ie; | |
865 | u16 noa_len; | |
866 | static u8 p2p_oui_ie_type[4] = {0x50, 0x6f, 0x9a, 0x09}; | |
867 | ||
868 | pos = (u8 *)&mgmt->u.action.category; | |
869 | end = data + len; | |
870 | ie = NULL; | |
871 | ||
872 | if (pos[0] == 0x7f) { | |
873 | if (memcmp(&pos[1], p2p_oui_ie_type, 4) == 0) | |
874 | ie = pos + 3+4; | |
875 | } | |
876 | ||
877 | if (ie == NULL) | |
878 | return; | |
879 | ||
880 | RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "action frame find P2P IE.\n"); | |
881 | /*to find noa ie*/ | |
882 | while (ie + 1 < end) { | |
e5b417e7 | 883 | noa_len = READEF2BYTE((__le16 *)&ie[1]); |
26634c4b LF |
884 | if (ie + 3 + ie[1] > end) |
885 | return; | |
886 | ||
887 | if (ie[0] == 12) { | |
888 | RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "find NOA IE.\n"); | |
889 | RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_LOUD, "noa ie ", | |
890 | ie, noa_len); | |
891 | if ((noa_len - 2) % 13 != 0) { | |
892 | RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, | |
893 | "P2P notice of absence: invalid length.%d\n", | |
894 | noa_len); | |
895 | return; | |
896 | } else { | |
897 | noa_num = (noa_len - 2) / 13; | |
898 | } | |
899 | noa_index = ie[3]; | |
900 | if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode == | |
901 | P2P_PS_NONE || noa_index != p2pinfo->noa_index) { | |
902 | p2pinfo->noa_index = noa_index; | |
903 | p2pinfo->opp_ps = (ie[4] >> 7); | |
904 | p2pinfo->ctwindow = ie[4] & 0x7F; | |
905 | p2pinfo->noa_num = noa_num; | |
906 | index = 5; | |
907 | for (i = 0; i < noa_num; i++) { | |
908 | p2pinfo->noa_count_type[i] = | |
909 | READEF1BYTE(ie+index); | |
910 | index += 1; | |
911 | p2pinfo->noa_duration[i] = | |
e5b417e7 | 912 | READEF4BYTE((__le32 *)ie+index); |
26634c4b LF |
913 | index += 4; |
914 | p2pinfo->noa_interval[i] = | |
e5b417e7 | 915 | READEF4BYTE((__le32 *)ie+index); |
26634c4b LF |
916 | index += 4; |
917 | p2pinfo->noa_start_time[i] = | |
e5b417e7 | 918 | READEF4BYTE((__le32 *)ie+index); |
26634c4b LF |
919 | index += 4; |
920 | } | |
921 | ||
922 | if (p2pinfo->opp_ps == 1) { | |
923 | p2pinfo->p2p_ps_mode = P2P_PS_CTWINDOW; | |
924 | /* Driver should wait LPS entering | |
925 | * CTWindow | |
926 | */ | |
927 | if (rtlpriv->psc.fw_current_inpsmode) | |
928 | rtl_p2p_ps_cmd(hw, | |
929 | P2P_PS_ENABLE); | |
930 | } else if (p2pinfo->noa_num > 0) { | |
931 | p2pinfo->p2p_ps_mode = P2P_PS_NOA; | |
932 | rtl_p2p_ps_cmd(hw, P2P_PS_ENABLE); | |
933 | } else if (p2pinfo->p2p_ps_mode > P2P_PS_NONE) { | |
934 | rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); | |
935 | } | |
936 | } | |
937 | break; | |
938 | } | |
939 | ie += 3 + noa_len; | |
940 | } | |
941 | } | |
942 | ||
943 | void rtl_p2p_ps_cmd(struct ieee80211_hw *hw, u8 p2p_ps_state) | |
944 | { | |
945 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
946 | struct rtl_ps_ctl *rtlps = rtl_psc(rtl_priv(hw)); | |
947 | struct rtl_p2p_ps_info *p2pinfo = &(rtlpriv->psc.p2p_ps_info); | |
948 | ||
949 | RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, " p2p state %x\n", p2p_ps_state); | |
950 | switch (p2p_ps_state) { | |
951 | case P2P_PS_DISABLE: | |
952 | p2pinfo->p2p_ps_state = p2p_ps_state; | |
953 | rtlpriv->cfg->ops->set_hw_reg(hw, | |
954 | HW_VAR_H2C_FW_P2P_PS_OFFLOAD, | |
955 | (u8 *)(&p2p_ps_state)); | |
956 | ||
957 | p2pinfo->noa_index = 0; | |
958 | p2pinfo->ctwindow = 0; | |
959 | p2pinfo->opp_ps = 0; | |
960 | p2pinfo->noa_num = 0; | |
961 | p2pinfo->p2p_ps_mode = P2P_PS_NONE; | |
962 | if (rtlps->fw_current_inpsmode == true) { | |
963 | if (rtlps->smart_ps == 0) { | |
964 | rtlps->smart_ps = 2; | |
965 | rtlpriv->cfg->ops->set_hw_reg(hw, | |
966 | HW_VAR_H2C_FW_PWRMODE, | |
967 | (u8 *)(&rtlps->pwr_mode)); | |
968 | } | |
969 | } | |
970 | break; | |
971 | case P2P_PS_ENABLE: | |
972 | if (p2pinfo->p2p_ps_mode > P2P_PS_NONE) { | |
973 | p2pinfo->p2p_ps_state = p2p_ps_state; | |
974 | ||
975 | if (p2pinfo->ctwindow > 0) { | |
976 | if (rtlps->smart_ps != 0) { | |
977 | rtlps->smart_ps = 0; | |
978 | rtlpriv->cfg->ops->set_hw_reg(hw, | |
979 | HW_VAR_H2C_FW_PWRMODE, | |
980 | (u8 *)(&rtlps->pwr_mode)); | |
981 | } | |
982 | } | |
983 | rtlpriv->cfg->ops->set_hw_reg(hw, | |
984 | HW_VAR_H2C_FW_P2P_PS_OFFLOAD, | |
985 | (u8 *)(&p2p_ps_state)); | |
986 | } | |
987 | break; | |
988 | case P2P_PS_SCAN: | |
989 | case P2P_PS_SCAN_DONE: | |
990 | case P2P_PS_ALLSTASLEEP: | |
991 | if (p2pinfo->p2p_ps_mode > P2P_PS_NONE) { | |
992 | p2pinfo->p2p_ps_state = p2p_ps_state; | |
993 | rtlpriv->cfg->ops->set_hw_reg(hw, | |
994 | HW_VAR_H2C_FW_P2P_PS_OFFLOAD, | |
995 | (u8 *)(&p2p_ps_state)); | |
996 | } | |
997 | break; | |
998 | default: | |
999 | break; | |
1000 | } | |
1001 | RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, | |
1002 | "ctwindow %x oppps %x\n", p2pinfo->ctwindow, p2pinfo->opp_ps); | |
1003 | RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, | |
1004 | "count %x duration %x index %x interval %x start time %x noa num %x\n", | |
1005 | p2pinfo->noa_count_type[0], p2pinfo->noa_duration[0], | |
1006 | p2pinfo->noa_index, p2pinfo->noa_interval[0], | |
1007 | p2pinfo->noa_start_time[0], p2pinfo->noa_num); | |
1008 | RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "end\n"); | |
1009 | } | |
1010 | ||
1011 | void rtl_p2p_info(struct ieee80211_hw *hw, void *data, unsigned int len) | |
1012 | { | |
1013 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1014 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
1015 | struct ieee80211_hdr *hdr = (void *)data; | |
1016 | ||
1017 | if (!mac->p2p) | |
1018 | return; | |
1019 | if (mac->link_state != MAC80211_LINKED) | |
1020 | return; | |
1021 | /* min. beacon length + FCS_LEN */ | |
1022 | if (len <= 40 + FCS_LEN) | |
1023 | return; | |
1024 | ||
1025 | /* and only beacons from the associated BSSID, please */ | |
90908e1c | 1026 | if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) |
26634c4b LF |
1027 | return; |
1028 | ||
1029 | /* check if this really is a beacon */ | |
1030 | if (!(ieee80211_is_beacon(hdr->frame_control) || | |
1031 | ieee80211_is_probe_resp(hdr->frame_control) || | |
1032 | ieee80211_is_action(hdr->frame_control))) | |
1033 | return; | |
1034 | ||
1035 | if (ieee80211_is_action(hdr->frame_control)) | |
1036 | rtl_p2p_action_ie(hw, data, len - FCS_LEN); | |
1037 | else | |
1038 | rtl_p2p_noa_ie(hw, data, len - FCS_LEN); | |
1039 | } | |
6f334c2b | 1040 | EXPORT_SYMBOL_GPL(rtl_p2p_info); |