GNU Linux-libre 4.9.282-gnu1
[releases.git] / drivers / staging / rtl8188eu / os_dep / os_intfs.c
1 /******************************************************************************
2  *
3  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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  ******************************************************************************/
15 #define _OS_INTFS_C_
16
17 #include <osdep_service.h>
18 #include <osdep_intf.h>
19 #include <drv_types.h>
20 #include <xmit_osdep.h>
21 #include <recv_osdep.h>
22 #include <hal_intf.h>
23 #include <rtw_ioctl.h>
24 #include <rtl8188e_hal.h>
25
26 MODULE_LICENSE("GPL");
27 MODULE_DESCRIPTION("Realtek Wireless Lan Driver");
28 MODULE_AUTHOR("Realtek Semiconductor Corp.");
29 MODULE_VERSION(DRIVERVERSION);
30
31 #define RTW_NOTCH_FILTER 0 /* 0:Disable, 1:Enable, */
32
33 /* module param defaults */
34 /* Ndis802_11Infrastructure; infra, ad-hoc, auto */
35 static int rtw_channel = 1;/* ad-hoc support requirement */
36 static int rtw_wireless_mode = WIRELESS_11BG_24N;
37 static int rtw_vrtl_carrier_sense = AUTO_VCS;
38 static int rtw_vcs_type = RTS_CTS;/*  */
39 static int rtw_rts_thresh = 2347;/*  */
40 static int rtw_frag_thresh = 2346;/*  */
41 static int rtw_preamble = PREAMBLE_LONG;/* long, short, auto */
42 static int rtw_power_mgnt = 1;
43 static int rtw_ips_mode = IPS_NORMAL;
44
45 static int rtw_smart_ps = 2;
46
47 module_param(rtw_ips_mode, int, 0644);
48 MODULE_PARM_DESC(rtw_ips_mode, "The default IPS mode");
49
50 static int rtw_debug = 1;
51
52 static int rtw_software_encrypt;
53 static int rtw_software_decrypt;
54
55 static int rtw_acm_method;/*  0:By SW 1:By HW. */
56
57 static int rtw_wmm_enable = 1;/*  default is set to enable the wmm. */
58 static int rtw_uapsd_enable;
59
60 static int rtw_ht_enable = 1;
61 /* 0 :disable, bit(0): enable 2.4g, bit(1): enable 5g */
62 static int rtw_cbw40_enable = 3;
63 static int rtw_ampdu_enable = 1;/* for enable tx_ampdu */
64
65 /* 0: disable
66  * bit(0):enable 2.4g
67  * bit(1):enable 5g
68  * default is set to enable 2.4GHZ for IOT issue with bufflao's AP at 5GHZ
69  */
70 static int rtw_rx_stbc = 1;
71 static int rtw_ampdu_amsdu;/*  0: disabled, 1:enabled, 2:auto */
72
73 static int rtw_wifi_spec;
74 static int rtw_channel_plan = RT_CHANNEL_DOMAIN_MAX;
75
76 static int rtw_antdiv_cfg = 2; /*  0:OFF , 1:ON, 2:decide by Efuse config */
77
78 /* 0: decide by efuse
79  * 1: for 88EE, 1Tx and 1RxCG are diversity (2 Ant with SPDT)
80  * 2: for 88EE, 1Tx and 2Rx are diversity (2 Ant, Tx and RxCG are both on aux
81  *    port, RxCS is on main port)
82  * 3: for 88EE, 1Tx and 1RxCG are fixed (1Ant, Tx and RxCG are both on aux port)
83  */
84 static int rtw_antdiv_type;
85
86 static int rtw_enusbss;/* 0:disable, 1:enable */
87
88 static int rtw_hwpdn_mode = 2;/* 0:disable, 1:enable, 2: by EFUSE config */
89
90 int rtw_mc2u_disable;
91
92 static int rtw_80211d;
93
94 static char *ifname = "wlan%d";
95 module_param(ifname, charp, 0644);
96 MODULE_PARM_DESC(ifname, "The default name to allocate for first interface");
97
98 static char *if2name = "wlan%d";
99 module_param(if2name, charp, 0644);
100 MODULE_PARM_DESC(if2name, "The default name to allocate for second interface");
101
102 /* temp mac address if users want to use instead of the mac address in Efuse */
103 char *rtw_initmac;
104
105 module_param(rtw_initmac, charp, 0644);
106 module_param(rtw_channel_plan, int, 0644);
107 module_param(rtw_channel, int, 0644);
108 module_param(rtw_wmm_enable, int, 0644);
109 module_param(rtw_vrtl_carrier_sense, int, 0644);
110 module_param(rtw_vcs_type, int, 0644);
111 module_param(rtw_ht_enable, int, 0644);
112 module_param(rtw_cbw40_enable, int, 0644);
113 module_param(rtw_ampdu_enable, int, 0644);
114 module_param(rtw_rx_stbc, int, 0644);
115 module_param(rtw_ampdu_amsdu, int, 0644);
116 module_param(rtw_power_mgnt, int, 0644);
117 module_param(rtw_smart_ps, int, 0644);
118 module_param(rtw_wifi_spec, int, 0644);
119 module_param(rtw_antdiv_cfg, int, 0644);
120 module_param(rtw_antdiv_type, int, 0644);
121 module_param(rtw_enusbss, int, 0644);
122 module_param(rtw_hwpdn_mode, int, 0644);
123
124 static uint rtw_max_roaming_times = 2;
125 module_param(rtw_max_roaming_times, uint, 0644);
126 MODULE_PARM_DESC(rtw_max_roaming_times, "The max roaming times to try");
127
128 static int rtw_fw_iol = 1;/*  0:Disable, 1:enable, 2:by usb speed */
129 module_param(rtw_fw_iol, int, 0644);
130 MODULE_PARM_DESC(rtw_fw_iol, "FW IOL");
131
132 module_param(rtw_mc2u_disable, int, 0644);
133
134 module_param(rtw_80211d, int, 0644);
135 MODULE_PARM_DESC(rtw_80211d, "Enable 802.11d mechanism");
136
137 static uint rtw_notch_filter = RTW_NOTCH_FILTER;
138 module_param(rtw_notch_filter, uint, 0644);
139 MODULE_PARM_DESC(rtw_notch_filter, "0:Disable, 1:Enable, 2:Enable only for P2P");
140 module_param_named(debug, rtw_debug, int, 0444);
141 MODULE_PARM_DESC(debug, "Set debug level (1-9) (default 1)");
142
143 static bool rtw_monitor_enable;
144 module_param_named(monitor_enable, rtw_monitor_enable, bool, 0444);
145 MODULE_PARM_DESC(monitor_enable, "Enable monitor inferface (default: false)");
146
147 static int netdev_open(struct net_device *pnetdev);
148 static int netdev_close(struct net_device *pnetdev);
149
150 static void loadparam(struct adapter *padapter, struct net_device *pnetdev)
151 {
152         struct registry_priv  *registry_par = &padapter->registrypriv;
153
154         GlobalDebugLevel = rtw_debug;
155
156         memcpy(registry_par->ssid.Ssid, "ANY", 3);
157         registry_par->ssid.SsidLength = 3;
158
159         registry_par->channel = (u8)rtw_channel;
160         registry_par->wireless_mode = (u8)rtw_wireless_mode;
161         registry_par->vrtl_carrier_sense = (u8)rtw_vrtl_carrier_sense;
162         registry_par->vcs_type = (u8)rtw_vcs_type;
163         registry_par->rts_thresh = (u16)rtw_rts_thresh;
164         registry_par->frag_thresh = (u16)rtw_frag_thresh;
165         registry_par->preamble = (u8)rtw_preamble;
166         registry_par->smart_ps =  (u8)rtw_smart_ps;
167         registry_par->power_mgnt = (u8)rtw_power_mgnt;
168         registry_par->ips_mode = (u8)rtw_ips_mode;
169         registry_par->mp_mode = 0;
170         registry_par->software_encrypt = (u8)rtw_software_encrypt;
171         registry_par->software_decrypt = (u8)rtw_software_decrypt;
172         registry_par->acm_method = (u8)rtw_acm_method;
173
174          /* UAPSD */
175         registry_par->wmm_enable = (u8)rtw_wmm_enable;
176         registry_par->uapsd_enable = (u8)rtw_uapsd_enable;
177
178         registry_par->ht_enable = (u8)rtw_ht_enable;
179         registry_par->cbw40_enable = (u8)rtw_cbw40_enable;
180         registry_par->ampdu_enable = (u8)rtw_ampdu_enable;
181         registry_par->rx_stbc = (u8)rtw_rx_stbc;
182         registry_par->ampdu_amsdu = (u8)rtw_ampdu_amsdu;
183         registry_par->wifi_spec = (u8)rtw_wifi_spec;
184         registry_par->channel_plan = (u8)rtw_channel_plan;
185         registry_par->accept_addba_req = true;
186         registry_par->antdiv_cfg = (u8)rtw_antdiv_cfg;
187         registry_par->antdiv_type = (u8)rtw_antdiv_type;
188         registry_par->hwpdn_mode = (u8)rtw_hwpdn_mode;
189
190         registry_par->max_roaming_times = (u8)rtw_max_roaming_times;
191
192         registry_par->fw_iol = rtw_fw_iol;
193
194         registry_par->enable80211d = (u8)rtw_80211d;
195         snprintf(registry_par->ifname, 16, "%s", ifname);
196         snprintf(registry_par->if2name, 16, "%s", if2name);
197         registry_par->notch_filter = (u8)rtw_notch_filter;
198         registry_par->monitor_enable = rtw_monitor_enable;
199 }
200
201 static int rtw_net_set_mac_address(struct net_device *pnetdev, void *p)
202 {
203         struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
204         struct sockaddr *addr = p;
205
206         if (!padapter->bup)
207                 memcpy(padapter->eeprompriv.mac_addr, addr->sa_data, ETH_ALEN);
208
209         return 0;
210 }
211
212 static struct net_device_stats *rtw_net_get_stats(struct net_device *pnetdev)
213 {
214         struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
215         struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
216         struct recv_priv *precvpriv = &(padapter->recvpriv);
217
218         padapter->stats.tx_packets = pxmitpriv->tx_pkts;
219         padapter->stats.rx_packets = precvpriv->rx_pkts;
220         padapter->stats.tx_dropped = pxmitpriv->tx_drop;
221         padapter->stats.rx_dropped = precvpriv->rx_drop;
222         padapter->stats.tx_bytes = pxmitpriv->tx_bytes;
223         padapter->stats.rx_bytes = precvpriv->rx_bytes;
224         return &padapter->stats;
225 }
226
227 /*
228  * AC to queue mapping
229  *
230  * AC_VO -> queue 0
231  * AC_VI -> queue 1
232  * AC_BE -> queue 2
233  * AC_BK -> queue 3
234  */
235 static const u16 rtw_1d_to_queue[8] = { 2, 3, 3, 2, 1, 1, 0, 0 };
236
237 /* Given a data frame determine the 802.1p/1d tag to use. */
238 static unsigned int rtw_classify8021d(struct sk_buff *skb)
239 {
240         unsigned int dscp;
241
242         /* skb->priority values from 256->263 are magic values to
243          * directly indicate a specific 802.1d priority.  This is used
244          * to allow 802.1d priority to be passed directly in from VLAN
245          * tags, etc.
246          */
247         if (skb->priority >= 256 && skb->priority <= 263)
248                 return skb->priority - 256;
249
250         switch (skb->protocol) {
251         case htons(ETH_P_IP):
252                 dscp = ip_hdr(skb)->tos & 0xfc;
253                 break;
254         default:
255                 return 0;
256         }
257
258         return dscp >> 5;
259 }
260
261 static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb,
262                             void *accel_priv, select_queue_fallback_t fallback)
263 {
264         struct adapter  *padapter = rtw_netdev_priv(dev);
265         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
266
267         skb->priority = rtw_classify8021d(skb);
268
269         if (pmlmepriv->acm_mask != 0)
270                 skb->priority = qos_acm(pmlmepriv->acm_mask, skb->priority);
271
272         return rtw_1d_to_queue[skb->priority];
273 }
274
275 u16 rtw_recv_select_queue(struct sk_buff *skb)
276 {
277         struct iphdr *piphdr;
278         unsigned int dscp;
279         __be16  eth_type;
280         u32 priority;
281         u8 *pdata = skb->data;
282
283         memcpy(&eth_type, pdata+(ETH_ALEN<<1), 2);
284
285         switch (eth_type) {
286         case htons(ETH_P_IP):
287                 piphdr = (struct iphdr *)(pdata+ETH_HLEN);
288                 dscp = piphdr->tos & 0xfc;
289                 priority = dscp >> 5;
290                 break;
291         default:
292                 priority = 0;
293         }
294
295         return rtw_1d_to_queue[priority];
296 }
297
298 static const struct net_device_ops rtw_netdev_ops = {
299         .ndo_open = netdev_open,
300         .ndo_stop = netdev_close,
301         .ndo_start_xmit = rtw_xmit_entry,
302         .ndo_select_queue       = rtw_select_queue,
303         .ndo_set_mac_address = rtw_net_set_mac_address,
304         .ndo_get_stats = rtw_net_get_stats,
305         .ndo_do_ioctl = rtw_ioctl,
306 };
307
308 int rtw_init_netdev_name(struct net_device *pnetdev, const char *ifname)
309 {
310         if (dev_alloc_name(pnetdev, ifname) < 0)
311                 RT_TRACE(_module_os_intfs_c_, _drv_err_, ("dev_alloc_name, fail!\n"));
312
313         netif_carrier_off(pnetdev);
314         return 0;
315 }
316
317 static const struct device_type wlan_type = {
318         .name = "wlan",
319 };
320
321 struct net_device *rtw_init_netdev(struct adapter *old_padapter)
322 {
323         struct adapter *padapter;
324         struct net_device *pnetdev = NULL;
325
326         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+init_net_dev\n"));
327
328         if (old_padapter != NULL)
329                 pnetdev = rtw_alloc_etherdev_with_old_priv((void *)old_padapter);
330
331         if (!pnetdev)
332                 return NULL;
333
334         pnetdev->dev.type = &wlan_type;
335         padapter = rtw_netdev_priv(pnetdev);
336         padapter->pnetdev = pnetdev;
337         DBG_88E("register rtw_netdev_ops to netdev_ops\n");
338         pnetdev->netdev_ops = &rtw_netdev_ops;
339         pnetdev->watchdog_timeo = HZ*3; /* 3 second timeout */
340         pnetdev->wireless_handlers = (struct iw_handler_def *)&rtw_handlers_def;
341
342         loadparam(padapter, pnetdev);
343
344         return pnetdev;
345 }
346
347 static int rtw_start_drv_threads(struct adapter *padapter)
348 {
349         int err = 0;
350
351         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_start_drv_threads\n"));
352
353         padapter->cmdThread = kthread_run(rtw_cmd_thread, padapter,
354                                           "RTW_CMD_THREAD");
355         if (IS_ERR(padapter->cmdThread))
356                 err = PTR_ERR(padapter->cmdThread);
357         else
358                 /* wait for cmd_thread to run */
359                 wait_for_completion_interruptible(&padapter->cmdpriv.terminate_cmdthread_comp);
360
361         return err;
362 }
363
364 void rtw_stop_drv_threads(struct adapter *padapter)
365 {
366         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_stop_drv_threads\n"));
367
368         /* Below is to terminate rtw_cmd_thread & event_thread... */
369         complete(&padapter->cmdpriv.cmd_queue_comp);
370         if (padapter->cmdThread)
371                 wait_for_completion_interruptible(&padapter->cmdpriv.terminate_cmdthread_comp);
372
373 }
374
375 static u8 rtw_init_default_value(struct adapter *padapter)
376 {
377         struct registry_priv *pregistrypriv = &padapter->registrypriv;
378         struct xmit_priv        *pxmitpriv = &padapter->xmitpriv;
379         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
380         struct security_priv *psecuritypriv = &padapter->securitypriv;
381
382         /* xmit_priv */
383         pxmitpriv->vcs_setting = pregistrypriv->vrtl_carrier_sense;
384         pxmitpriv->vcs = pregistrypriv->vcs_type;
385         pxmitpriv->vcs_type = pregistrypriv->vcs_type;
386         pxmitpriv->frag_len = pregistrypriv->frag_thresh;
387
388         /* mlme_priv */
389         pmlmepriv->scan_interval = SCAN_INTERVAL;/*  30*2 sec = 60sec */
390         pmlmepriv->scan_mode = SCAN_ACTIVE;
391
392         /* ht_priv */
393         pmlmepriv->htpriv.ampdu_enable = false;/* set to disabled */
394
395         /* security_priv */
396         psecuritypriv->binstallGrpkey = _FAIL;
397         psecuritypriv->sw_encrypt = pregistrypriv->software_encrypt;
398         psecuritypriv->sw_decrypt = pregistrypriv->software_decrypt;
399         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
400         psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
401         psecuritypriv->dot11PrivacyKeyIndex = 0;
402         psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
403         psecuritypriv->dot118021XGrpKeyid = 1;
404         psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
405         psecuritypriv->ndisencryptstatus = Ndis802_11WEPDisabled;
406
407         /* registry_priv */
408         rtw_init_registrypriv_dev_network(padapter);
409         rtw_update_registrypriv_dev_network(padapter);
410
411         /* hal_priv */
412         rtw_hal_def_value_init(padapter);
413
414         /* misc. */
415         padapter->bReadPortCancel = false;
416         padapter->bWritePortCancel = false;
417         padapter->bRxRSSIDisplay = 0;
418         return _SUCCESS;
419 }
420
421 u8 rtw_reset_drv_sw(struct adapter *padapter)
422 {
423         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
424         struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
425
426         /* hal_priv */
427         rtw_hal_def_value_init(padapter);
428         padapter->bReadPortCancel = false;
429         padapter->bWritePortCancel = false;
430         padapter->bRxRSSIDisplay = 0;
431         pmlmepriv->scan_interval = SCAN_INTERVAL;/*  30*2 sec = 60sec */
432
433         padapter->xmitpriv.tx_pkts = 0;
434         padapter->recvpriv.rx_pkts = 0;
435
436         pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
437
438         _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING);
439         rtw_hal_sreset_init(padapter);
440         pwrctrlpriv->pwr_state_check_cnts = 0;
441
442         /* mlmeextpriv */
443         padapter->mlmeextpriv.sitesurvey_res.state = SCAN_DISABLE;
444
445         rtw_set_signal_stat_timer(&padapter->recvpriv);
446
447         return _SUCCESS;
448 }
449
450 u8 rtw_init_drv_sw(struct adapter *padapter)
451 {
452         u8      ret8 = _SUCCESS;
453
454
455         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_init_drv_sw\n"));
456
457         if ((rtw_init_cmd_priv(&padapter->cmdpriv)) == _FAIL) {
458                 RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init cmd_priv\n"));
459                 ret8 = _FAIL;
460                 goto exit;
461         }
462
463         padapter->cmdpriv.padapter = padapter;
464
465         if (rtw_init_mlme_priv(padapter) == _FAIL) {
466                 RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init mlme_priv\n"));
467                 ret8 = _FAIL;
468                 goto exit;
469         }
470
471         if (init_mlme_ext_priv(padapter) == _FAIL) {
472                 RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init mlme_ext_priv\n"));
473                 ret8 = _FAIL;
474                 goto exit;
475         }
476
477         if (_rtw_init_xmit_priv(&padapter->xmitpriv, padapter) == _FAIL) {
478                 DBG_88E("Can't _rtw_init_xmit_priv\n");
479                 ret8 = _FAIL;
480                 goto exit;
481         }
482
483         if (_rtw_init_recv_priv(&padapter->recvpriv, padapter) == _FAIL) {
484                 DBG_88E("Can't _rtw_init_recv_priv\n");
485                 ret8 = _FAIL;
486                 goto exit;
487         }
488
489         if (_rtw_init_sta_priv(&padapter->stapriv) == _FAIL) {
490                 DBG_88E("Can't _rtw_init_sta_priv\n");
491                 ret8 = _FAIL;
492                 goto exit;
493         }
494
495         padapter->stapriv.padapter = padapter;
496
497         rtw_init_bcmc_stainfo(padapter);
498
499         rtw_init_pwrctrl_priv(padapter);
500
501         ret8 = rtw_init_default_value(padapter);
502
503         rtw_hal_dm_init(padapter);
504         rtw_hal_sw_led_init(padapter);
505
506         rtw_hal_sreset_init(padapter);
507
508 exit:
509         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-rtw_init_drv_sw\n"));
510
511
512         return ret8;
513 }
514
515 void rtw_cancel_all_timer(struct adapter *padapter)
516 {
517         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_cancel_all_timer\n"));
518
519         del_timer_sync(&padapter->mlmepriv.assoc_timer);
520         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel association timer complete!\n"));
521
522         del_timer_sync(&padapter->mlmepriv.scan_to_timer);
523         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel scan_to_timer!\n"));
524
525         del_timer_sync(&padapter->mlmepriv.dynamic_chk_timer);
526         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel dynamic_chk_timer!\n"));
527
528         /*  cancel sw led timer */
529         rtw_hal_sw_led_deinit(padapter);
530         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel DeInitSwLeds!\n"));
531
532         del_timer_sync(&padapter->pwrctrlpriv.pwr_state_check_timer);
533
534         del_timer_sync(&padapter->recvpriv.signal_stat_timer);
535 }
536
537 u8 rtw_free_drv_sw(struct adapter *padapter)
538 {
539         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("==>rtw_free_drv_sw"));
540
541         free_mlme_ext_priv(&padapter->mlmeextpriv);
542
543         rtw_free_mlme_priv(&padapter->mlmepriv);
544         _rtw_free_xmit_priv(&padapter->xmitpriv);
545
546         /* will free bcmc_stainfo here */
547         _rtw_free_sta_priv(&padapter->stapriv);
548
549         _rtw_free_recv_priv(&padapter->recvpriv);
550
551         rtw_hal_free_data(padapter);
552
553         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("<== rtw_free_drv_sw\n"));
554
555         mutex_destroy(&padapter->hw_init_mutex);
556
557         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-rtw_free_drv_sw\n"));
558
559         return _SUCCESS;
560 }
561
562 static int _netdev_open(struct net_device *pnetdev)
563 {
564         uint status;
565         int err;
566         struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
567         struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
568
569         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+88eu_drv - dev_open\n"));
570         DBG_88E("+88eu_drv - drv_open, bup =%d\n", padapter->bup);
571
572         if (pwrctrlpriv->ps_flag) {
573                 padapter->net_closed = false;
574                 goto netdev_open_normal_process;
575         }
576
577         if (!padapter->bup) {
578                 padapter->bDriverStopped = false;
579                 padapter->bSurpriseRemoved = false;
580
581                 status = rtw_hal_init(padapter);
582                 if (status == _FAIL) {
583                         RT_TRACE(_module_os_intfs_c_, _drv_err_, ("rtl88eu_hal_init(): Can't init h/w!\n"));
584                         goto netdev_open_error;
585                 }
586
587                 pr_info("MAC Address = %pM\n", pnetdev->dev_addr);
588
589                 err = rtw_start_drv_threads(padapter);
590                 if (err) {
591                         pr_info("Initialize driver software resource Failed!\n");
592                         goto netdev_open_error;
593                 }
594
595                 if (init_hw_mlme_ext(padapter) == _FAIL) {
596                         pr_info("can't init mlme_ext_priv\n");
597                         goto netdev_open_error;
598                 }
599                 if (padapter->intf_start)
600                         padapter->intf_start(padapter);
601
602                 rtw_led_control(padapter, LED_CTL_NO_LINK);
603
604                 padapter->bup = true;
605         }
606         padapter->net_closed = false;
607
608         mod_timer(&padapter->mlmepriv.dynamic_chk_timer,
609                   jiffies + msecs_to_jiffies(2000));
610
611         padapter->pwrctrlpriv.bips_processing = false;
612         rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
613
614         if (!rtw_netif_queue_stopped(pnetdev))
615                 netif_tx_start_all_queues(pnetdev);
616         else
617                 netif_tx_wake_all_queues(pnetdev);
618
619 netdev_open_normal_process:
620         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-88eu_drv - dev_open\n"));
621         DBG_88E("-88eu_drv - drv_open, bup =%d\n", padapter->bup);
622         return 0;
623
624 netdev_open_error:
625         padapter->bup = false;
626         netif_carrier_off(pnetdev);
627         netif_tx_stop_all_queues(pnetdev);
628         RT_TRACE(_module_os_intfs_c_, _drv_err_, ("-88eu_drv - dev_open, fail!\n"));
629         DBG_88E("-88eu_drv - drv_open fail, bup =%d\n", padapter->bup);
630         return -1;
631 }
632
633 static int netdev_open(struct net_device *pnetdev)
634 {
635         int ret;
636         struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
637
638         if (mutex_lock_interruptible(&padapter->hw_init_mutex))
639                 return -ERESTARTSYS;
640         ret = _netdev_open(pnetdev);
641         mutex_unlock(&padapter->hw_init_mutex);
642         return ret;
643 }
644
645 static int  ips_netdrv_open(struct adapter *padapter)
646 {
647         int status = _SUCCESS;
648
649         padapter->net_closed = false;
650         DBG_88E("===> %s.........\n", __func__);
651
652         padapter->bDriverStopped = false;
653         padapter->bSurpriseRemoved = false;
654
655         status = rtw_hal_init(padapter);
656         if (status == _FAIL) {
657                 RT_TRACE(_module_os_intfs_c_, _drv_err_, ("ips_netdrv_open(): Can't init h/w!\n"));
658                 goto netdev_open_error;
659         }
660
661         if (padapter->intf_start)
662                 padapter->intf_start(padapter);
663
664         rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
665         mod_timer(&padapter->mlmepriv.dynamic_chk_timer,
666                   jiffies + msecs_to_jiffies(5000));
667
668          return _SUCCESS;
669
670 netdev_open_error:
671         DBG_88E("-ips_netdrv_open - drv_open failure, bup =%d\n", padapter->bup);
672
673         return _FAIL;
674 }
675
676
677 int rtw_ips_pwr_up(struct adapter *padapter)
678 {
679         int result;
680         unsigned long start_time = jiffies;
681
682         DBG_88E("===>  rtw_ips_pwr_up..............\n");
683         rtw_reset_drv_sw(padapter);
684
685         result = ips_netdrv_open(padapter);
686
687         rtw_led_control(padapter, LED_CTL_NO_LINK);
688
689         DBG_88E("<===  rtw_ips_pwr_up.............. in %dms\n",
690                 jiffies_to_msecs(jiffies - start_time));
691         return result;
692 }
693
694 void rtw_ips_pwr_down(struct adapter *padapter)
695 {
696         unsigned long start_time = jiffies;
697
698         DBG_88E("===> rtw_ips_pwr_down...................\n");
699
700         padapter->net_closed = true;
701
702         rtw_led_control(padapter, LED_CTL_POWER_OFF);
703
704         rtw_ips_dev_unload(padapter);
705         DBG_88E("<=== rtw_ips_pwr_down..................... in %dms\n",
706                 jiffies_to_msecs(jiffies - start_time));
707 }
708
709 void rtw_ips_dev_unload(struct adapter *padapter)
710 {
711         DBG_88E("====> %s...\n", __func__);
712
713         rtw_hal_set_hwreg(padapter, HW_VAR_FIFO_CLEARN_UP, NULL);
714
715         if (padapter->intf_stop)
716                 padapter->intf_stop(padapter);
717
718         /* s5. */
719         if (!padapter->bSurpriseRemoved)
720                 rtw_hal_deinit(padapter);
721 }
722
723 int pm_netdev_open(struct net_device *pnetdev, u8 bnormal)
724 {
725         int status;
726
727         if (bnormal)
728                 status = netdev_open(pnetdev);
729         else
730                 status =  (_SUCCESS == ips_netdrv_open((struct adapter *)rtw_netdev_priv(pnetdev))) ? (0) : (-1);
731         return status;
732 }
733
734 static int netdev_close(struct net_device *pnetdev)
735 {
736         struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
737
738         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+88eu_drv - drv_close\n"));
739
740         if (padapter->pwrctrlpriv.bInternalAutoSuspend) {
741                 if (padapter->pwrctrlpriv.rf_pwrstate == rf_off)
742                         padapter->pwrctrlpriv.ps_flag = true;
743         }
744         padapter->net_closed = true;
745
746         if (padapter->pwrctrlpriv.rf_pwrstate == rf_on) {
747                 DBG_88E("(2)88eu_drv - drv_close, bup =%d, hw_init_completed =%d\n",
748                         padapter->bup, padapter->hw_init_completed);
749
750                 /* s1. */
751                 if (pnetdev) {
752                         if (!rtw_netif_queue_stopped(pnetdev))
753                                 netif_tx_stop_all_queues(pnetdev);
754                 }
755
756                 /* s2. */
757                 LeaveAllPowerSaveMode(padapter);
758                 rtw_disassoc_cmd(padapter, 500, false);
759                 /* s2-2.  indicate disconnect to os */
760                 rtw_indicate_disconnect(padapter);
761                 /* s2-3. */
762                 rtw_free_assoc_resources(padapter);
763                 /* s2-4. */
764                 rtw_free_network_queue(padapter, true);
765                 /*  Close LED */
766                 rtw_led_control(padapter, LED_CTL_POWER_OFF);
767         }
768
769         RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-88eu_drv - drv_close\n"));
770         DBG_88E("-88eu_drv - drv_close, bup =%d\n", padapter->bup);
771         return 0;
772 }