1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3  *
4  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5  *
6  ******************************************************************************/
7 #define _OS_INTFS_C_
8 
9 #include <drv_types.h>
10 #include <rtw_debug.h>
11 #include <hal_data.h>
12 
13 MODULE_LICENSE("GPL");
14 MODULE_DESCRIPTION("Realtek Wireless Lan Driver");
15 MODULE_AUTHOR("Realtek Semiconductor Corp.");
16 MODULE_VERSION(DRIVERVERSION);
17 
18 /* module param defaults */
19 static int rtw_chip_version;
20 static int rtw_rfintfs = HWPI;
21 static int rtw_lbkmode;/* RTL8712_AIR_TRX; */
22 
23 
24 static int rtw_network_mode = Ndis802_11IBSS;/* Ndis802_11Infrastructure;infra, ad-hoc, auto */
25 /* struct ndis_802_11_ssid	ssid; */
26 static int rtw_channel = 1;/* ad-hoc support requirement */
27 static int rtw_wireless_mode = WIRELESS_MODE_MAX;
28 static int rtw_vrtl_carrier_sense = AUTO_VCS;
29 static int rtw_vcs_type = RTS_CTS;/*  */
30 static int rtw_rts_thresh = 2347;/*  */
31 static int rtw_frag_thresh = 2346;/*  */
32 static int rtw_preamble = PREAMBLE_LONG;/* long, short, auto */
33 static int rtw_scan_mode = 1;/* active, passive */
34 static int rtw_adhoc_tx_pwr = 1;
35 static int rtw_soft_ap;
36 /* int smart_ps = 1; */
37 static int rtw_power_mgnt = 1;
38 static int rtw_ips_mode = IPS_NORMAL;
39 module_param(rtw_ips_mode, int, 0644);
40 MODULE_PARM_DESC(rtw_ips_mode, "The default IPS mode");
41 
42 static int rtw_smart_ps = 2;
43 
44 static int rtw_check_fw_ps = 1;
45 
46 static int rtw_usb_rxagg_mode = 2;/* USB_RX_AGG_DMA = 1, USB_RX_AGG_USB =2 */
47 module_param(rtw_usb_rxagg_mode, int, 0644);
48 
49 static int rtw_radio_enable = 1;
50 static int rtw_long_retry_lmt = 7;
51 static int rtw_short_retry_lmt = 7;
52 static int rtw_busy_thresh = 40;
53 /* int qos_enable = 0; */
54 static int rtw_ack_policy = NORMAL_ACK;
55 
56 static int rtw_software_encrypt;
57 static int rtw_software_decrypt;
58 
59 static int rtw_acm_method;/*  0:By SW 1:By HW. */
60 
61 static int rtw_wmm_enable = 1;/*  default is set to enable the wmm. */
62 static int rtw_uapsd_enable;
63 static int rtw_uapsd_max_sp = NO_LIMIT;
64 static int rtw_uapsd_acbk_en;
65 static int rtw_uapsd_acbe_en;
66 static int rtw_uapsd_acvi_en;
67 static int rtw_uapsd_acvo_en;
68 
69 int rtw_ht_enable = 1;
70 /*  0: 20 MHz, 1: 40 MHz, 2: 80 MHz, 3: 160MHz, 4: 80+80MHz */
71 /*  2.4G use bit 0 ~ 3, 5G use bit 4 ~ 7 */
72 /*  0x21 means enable 2.4G 40MHz & 5G 80MHz */
73 static int rtw_bw_mode = 0x21;
74 static int rtw_ampdu_enable = 1;/* for enable tx_ampdu ,0: disable, 0x1:enable (but wifi_spec should be 0), 0x2: force enable (don't care wifi_spec) */
75 static int rtw_rx_stbc = 1;/*  0: disable, 1:enable 2.4g */
76 static int rtw_ampdu_amsdu;/*  0: disabled, 1:enabled, 2:auto . There is an IOT issu with DLINK DIR-629 when the flag turn on */
77 /*  Short GI support Bit Map */
78 /*  BIT0 - 20MHz, 0: non-support, 1: support */
79 /*  BIT1 - 40MHz, 0: non-support, 1: support */
80 /*  BIT2 - 80MHz, 0: non-support, 1: support */
81 /*  BIT3 - 160MHz, 0: non-support, 1: support */
82 static int rtw_short_gi = 0xf;
83 /*  BIT0: Enable VHT LDPC Rx, BIT1: Enable VHT LDPC Tx, BIT4: Enable HT LDPC Rx, BIT5: Enable HT LDPC Tx */
84 static int rtw_ldpc_cap = 0x33;
85 /*  BIT0: Enable VHT STBC Rx, BIT1: Enable VHT STBC Tx, BIT4: Enable HT STBC Rx, BIT5: Enable HT STBC Tx */
86 static int rtw_stbc_cap = 0x13;
87 /*  BIT0: Enable VHT Beamformer, BIT1: Enable VHT Beamformee, BIT4: Enable HT Beamformer, BIT5: Enable HT Beamformee */
88 static int rtw_beamform_cap = 0x2;
89 
90 static int rtw_lowrate_two_xmit = 1;/* Use 2 path Tx to transmit MCS0~7 and legacy mode */
91 
92 /* int rf_config = RF_1T2R;  1T2R */
93 static int rtw_rf_config = RF_MAX_TYPE;  /* auto */
94 static int rtw_low_power;
95 static int rtw_wifi_spec;
96 static int rtw_channel_plan = RT_CHANNEL_DOMAIN_MAX;
97 
98 static int rtw_btcoex_enable = 1;
99 module_param(rtw_btcoex_enable, int, 0644);
100 MODULE_PARM_DESC(rtw_btcoex_enable, "Enable BT co-existence mechanism");
101 static int rtw_bt_iso = 2;/*  0:Low, 1:High, 2:From Efuse */
102 static int rtw_bt_sco = 3;/*  0:Idle, 1:None-SCO, 2:SCO, 3:From Counter, 4.Busy, 5.OtherBusy */
103 static int rtw_bt_ampdu = 1 ;/*  0:Disable BT control A-MPDU, 1:Enable BT control A-MPDU. */
104 static int rtw_ant_num = -1; /*  <0: undefined, >0: Antenna number */
105 module_param(rtw_ant_num, int, 0644);
106 MODULE_PARM_DESC(rtw_ant_num, "Antenna number setting");
107 
108 static int rtw_antdiv_cfg = 1; /*  0:OFF , 1:ON, 2:decide by Efuse config */
109 static int rtw_antdiv_type; /* 0:decide by efuse  1: for 88EE, 1Tx and 1RxCG are diversity.(2 Ant with SPDT), 2:  for 88EE, 1Tx and 2Rx are diversity.(2 Ant, Tx and RxCG are both on aux port, RxCS is on main port), 3: for 88EE, 1Tx and 1RxCG are fixed.(1Ant, Tx and RxCG are both on aux port) */
110 
111 
112 static int rtw_enusbss;/* 0:disable, 1:enable */
113 
114 static int rtw_hwpdn_mode = 2;/* 0:disable, 1:enable, 2: by EFUSE config */
115 
116 #ifdef CONFIG_HW_PWRP_DETECTION
117 static int rtw_hwpwrp_detect = 1;
118 #else
119 static int rtw_hwpwrp_detect; /* HW power  ping detect 0:disable , 1:enable */
120 #endif
121 
122 static int rtw_hw_wps_pbc;
123 
124 int rtw_mc2u_disable = 0;
125 
126 static int rtw_80211d;
127 
128 #ifdef CONFIG_QOS_OPTIMIZATION
129 static int rtw_qos_opt_enable = 1;/* 0: disable, 1:enable */
130 #else
131 static int rtw_qos_opt_enable;/* 0: disable, 1:enable */
132 #endif
133 module_param(rtw_qos_opt_enable, int, 0644);
134 
135 static char *ifname = "wlan%d";
136 module_param(ifname, charp, 0644);
137 MODULE_PARM_DESC(ifname, "The default name to allocate for first interface");
138 
139 char *rtw_initmac = NULL;  /*  temp mac address if users want to use instead of the mac address in Efuse */
140 
141 module_param(rtw_initmac, charp, 0644);
142 module_param(rtw_channel_plan, int, 0644);
143 module_param(rtw_chip_version, int, 0644);
144 module_param(rtw_rfintfs, int, 0644);
145 module_param(rtw_lbkmode, int, 0644);
146 module_param(rtw_network_mode, int, 0644);
147 module_param(rtw_channel, int, 0644);
148 module_param(rtw_wmm_enable, int, 0644);
149 module_param(rtw_vrtl_carrier_sense, int, 0644);
150 module_param(rtw_vcs_type, int, 0644);
151 module_param(rtw_busy_thresh, int, 0644);
152 
153 module_param(rtw_ht_enable, int, 0644);
154 module_param(rtw_bw_mode, int, 0644);
155 module_param(rtw_ampdu_enable, int, 0644);
156 module_param(rtw_rx_stbc, int, 0644);
157 module_param(rtw_ampdu_amsdu, int, 0644);
158 
159 module_param(rtw_lowrate_two_xmit, int, 0644);
160 
161 module_param(rtw_rf_config, int, 0644);
162 module_param(rtw_power_mgnt, int, 0644);
163 module_param(rtw_smart_ps, int, 0644);
164 module_param(rtw_low_power, int, 0644);
165 module_param(rtw_wifi_spec, int, 0644);
166 
167 module_param(rtw_antdiv_cfg, int, 0644);
168 module_param(rtw_antdiv_type, int, 0644);
169 
170 module_param(rtw_enusbss, int, 0644);
171 module_param(rtw_hwpdn_mode, int, 0644);
172 module_param(rtw_hwpwrp_detect, int, 0644);
173 
174 module_param(rtw_hw_wps_pbc, int, 0644);
175 
176 static uint rtw_max_roaming_times = 2;
177 module_param(rtw_max_roaming_times, uint, 0644);
178 MODULE_PARM_DESC(rtw_max_roaming_times, "The max roaming times to try");
179 
180 module_param(rtw_mc2u_disable, int, 0644);
181 
182 module_param(rtw_80211d, int, 0644);
183 MODULE_PARM_DESC(rtw_80211d, "Enable 802.11d mechanism");
184 
185 static uint rtw_notch_filter;
186 module_param(rtw_notch_filter, uint, 0644);
187 MODULE_PARM_DESC(rtw_notch_filter, "0:Disable, 1:Enable, 2:Enable only for P2P");
188 
189 #define CONFIG_RTW_HIQ_FILTER 1
190 
191 static uint rtw_hiq_filter = CONFIG_RTW_HIQ_FILTER;
192 module_param(rtw_hiq_filter, uint, 0644);
193 MODULE_PARM_DESC(rtw_hiq_filter, "0:allow all, 1:allow special, 2:deny all");
194 
195 static int rtw_tx_pwr_lmt_enable;
196 static int rtw_tx_pwr_by_rate;
197 
198 module_param(rtw_tx_pwr_lmt_enable, int, 0644);
199 MODULE_PARM_DESC(rtw_tx_pwr_lmt_enable, "0:Disable, 1:Enable, 2: Depend on efuse");
200 
201 module_param(rtw_tx_pwr_by_rate, int, 0644);
202 MODULE_PARM_DESC(rtw_tx_pwr_by_rate, "0:Disable, 1:Enable, 2: Depend on efuse");
203 
204 char *rtw_phy_file_path = "";
205 module_param(rtw_phy_file_path, charp, 0644);
206 MODULE_PARM_DESC(rtw_phy_file_path, "The path of phy parameter");
207 /*  PHY FILE Bit Map */
208 /*  BIT0 - MAC,				0: non-support, 1: support */
209 /*  BIT1 - BB,					0: non-support, 1: support */
210 /*  BIT2 - BB_PG,				0: non-support, 1: support */
211 /*  BIT3 - BB_MP,				0: non-support, 1: support */
212 /*  BIT4 - RF,					0: non-support, 1: support */
213 /*  BIT5 - RF_TXPWR_TRACK,	0: non-support, 1: support */
214 /*  BIT6 - RF_TXPWR_LMT,		0: non-support, 1: support */
215 static int rtw_load_phy_file = (BIT2 | BIT6);
216 module_param(rtw_load_phy_file, int, 0644);
217 MODULE_PARM_DESC(rtw_load_phy_file, "PHY File Bit Map");
218 static int rtw_decrypt_phy_file;
219 module_param(rtw_decrypt_phy_file, int, 0644);
220 MODULE_PARM_DESC(rtw_decrypt_phy_file, "Enable Decrypt PHY File");
221 
222 int _netdev_open(struct net_device *pnetdev);
223 int netdev_open (struct net_device *pnetdev);
224 static int netdev_close (struct net_device *pnetdev);
225 
loadparam(struct adapter * padapter,_nic_hdl pnetdev)226 static uint loadparam(struct adapter *padapter, _nic_hdl pnetdev)
227 {
228 	uint status = _SUCCESS;
229 	struct registry_priv  *registry_par = &padapter->registrypriv;
230 
231 	registry_par->chip_version = (u8)rtw_chip_version;
232 	registry_par->rfintfs = (u8)rtw_rfintfs;
233 	registry_par->lbkmode = (u8)rtw_lbkmode;
234 	/* registry_par->hci = (u8)hci; */
235 	registry_par->network_mode  = (u8)rtw_network_mode;
236 
237 	memcpy(registry_par->ssid.Ssid, "ANY", 3);
238 	registry_par->ssid.SsidLength = 3;
239 
240 	registry_par->channel = (u8)rtw_channel;
241 	registry_par->wireless_mode = (u8)rtw_wireless_mode;
242 
243 	if (registry_par->channel > 14)
244 		registry_par->channel = 1;
245 
246 	registry_par->vrtl_carrier_sense = (u8)rtw_vrtl_carrier_sense ;
247 	registry_par->vcs_type = (u8)rtw_vcs_type;
248 	registry_par->rts_thresh = (u16)rtw_rts_thresh;
249 	registry_par->frag_thresh = (u16)rtw_frag_thresh;
250 	registry_par->preamble = (u8)rtw_preamble;
251 	registry_par->scan_mode = (u8)rtw_scan_mode;
252 	registry_par->adhoc_tx_pwr = (u8)rtw_adhoc_tx_pwr;
253 	registry_par->soft_ap =  (u8)rtw_soft_ap;
254 	registry_par->smart_ps =  (u8)rtw_smart_ps;
255 	registry_par->check_fw_ps = (u8)rtw_check_fw_ps;
256 	registry_par->power_mgnt = (u8)rtw_power_mgnt;
257 	registry_par->ips_mode = (u8)rtw_ips_mode;
258 	registry_par->radio_enable = (u8)rtw_radio_enable;
259 	registry_par->long_retry_lmt = (u8)rtw_long_retry_lmt;
260 	registry_par->short_retry_lmt = (u8)rtw_short_retry_lmt;
261 	registry_par->busy_thresh = (u16)rtw_busy_thresh;
262 	/* registry_par->qos_enable = (u8)rtw_qos_enable; */
263 	registry_par->ack_policy = (u8)rtw_ack_policy;
264 	registry_par->software_encrypt = (u8)rtw_software_encrypt;
265 	registry_par->software_decrypt = (u8)rtw_software_decrypt;
266 
267 	registry_par->acm_method = (u8)rtw_acm_method;
268 	registry_par->usb_rxagg_mode = (u8)rtw_usb_rxagg_mode;
269 
270 	 /* UAPSD */
271 	registry_par->wmm_enable = (u8)rtw_wmm_enable;
272 	registry_par->uapsd_enable = (u8)rtw_uapsd_enable;
273 	registry_par->uapsd_max_sp = (u8)rtw_uapsd_max_sp;
274 	registry_par->uapsd_acbk_en = (u8)rtw_uapsd_acbk_en;
275 	registry_par->uapsd_acbe_en = (u8)rtw_uapsd_acbe_en;
276 	registry_par->uapsd_acvi_en = (u8)rtw_uapsd_acvi_en;
277 	registry_par->uapsd_acvo_en = (u8)rtw_uapsd_acvo_en;
278 
279 	registry_par->ht_enable = (u8)rtw_ht_enable;
280 	registry_par->bw_mode = (u8)rtw_bw_mode;
281 	registry_par->ampdu_enable = (u8)rtw_ampdu_enable;
282 	registry_par->rx_stbc = (u8)rtw_rx_stbc;
283 	registry_par->ampdu_amsdu = (u8)rtw_ampdu_amsdu;
284 	registry_par->short_gi = (u8)rtw_short_gi;
285 	registry_par->ldpc_cap = (u8)rtw_ldpc_cap;
286 	registry_par->stbc_cap = (u8)rtw_stbc_cap;
287 	registry_par->beamform_cap = (u8)rtw_beamform_cap;
288 
289 	registry_par->lowrate_two_xmit = (u8)rtw_lowrate_two_xmit;
290 	registry_par->rf_config = (u8)rtw_rf_config;
291 	registry_par->low_power = (u8)rtw_low_power;
292 
293 
294 	registry_par->wifi_spec = (u8)rtw_wifi_spec;
295 
296 	registry_par->channel_plan = (u8)rtw_channel_plan;
297 
298 	registry_par->btcoex = (u8)rtw_btcoex_enable;
299 	registry_par->bt_iso = (u8)rtw_bt_iso;
300 	registry_par->bt_sco = (u8)rtw_bt_sco;
301 	registry_par->bt_ampdu = (u8)rtw_bt_ampdu;
302 	registry_par->ant_num = (s8)rtw_ant_num;
303 
304 	registry_par->accept_addba_req = true;
305 
306 	registry_par->antdiv_cfg = (u8)rtw_antdiv_cfg;
307 	registry_par->antdiv_type = (u8)rtw_antdiv_type;
308 
309 	registry_par->hw_wps_pbc = (u8)rtw_hw_wps_pbc;
310 
311 	registry_par->max_roaming_times = (u8)rtw_max_roaming_times;
312 #ifdef CONFIG_INTEL_WIDI
313 	registry_par->max_roaming_times = (u8)rtw_max_roaming_times + 2;
314 #endif /*  CONFIG_INTEL_WIDI */
315 
316 	registry_par->enable80211d = (u8)rtw_80211d;
317 
318 	snprintf(registry_par->ifname, 16, "%s", ifname);
319 
320 	registry_par->notch_filter = (u8)rtw_notch_filter;
321 
322 	registry_par->RegEnableTxPowerLimit = (u8)rtw_tx_pwr_lmt_enable;
323 	registry_par->RegEnableTxPowerByRate = (u8)rtw_tx_pwr_by_rate;
324 
325 	registry_par->RegPowerBase = 14;
326 	registry_par->TxBBSwing_2G = 0xFF;
327 	registry_par->TxBBSwing_5G = 0xFF;
328 	registry_par->bEn_RFE = 1;
329 	registry_par->RFE_Type = 64;
330 
331 	registry_par->load_phy_file = (u8)rtw_load_phy_file;
332 	registry_par->RegDecryptCustomFile = (u8)rtw_decrypt_phy_file;
333 	registry_par->qos_opt_enable = (u8)rtw_qos_opt_enable;
334 
335 	registry_par->hiq_filter = (u8)rtw_hiq_filter;
336 	return status;
337 }
338 
rtw_net_set_mac_address(struct net_device * pnetdev,void * p)339 static int rtw_net_set_mac_address(struct net_device *pnetdev, void *p)
340 {
341 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
342 	struct sockaddr *addr = p;
343 
344 	if (padapter->bup == false) {
345 		/* DBG_871X("r8711_net_set_mac_address(), MAC =%x:%x:%x:%x:%x:%x\n", addr->sa_data[0], addr->sa_data[1], addr->sa_data[2], addr->sa_data[3], */
346 		/* addr->sa_data[4], addr->sa_data[5]); */
347 		memcpy(padapter->eeprompriv.mac_addr, addr->sa_data, ETH_ALEN);
348 		/* memcpy(pnetdev->dev_addr, addr->sa_data, ETH_ALEN); */
349 		/* padapter->bset_hwaddr = true; */
350 	}
351 
352 	return 0;
353 }
354 
rtw_net_get_stats(struct net_device * pnetdev)355 static struct net_device_stats *rtw_net_get_stats(struct net_device *pnetdev)
356 {
357 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
358 	struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
359 	struct recv_priv *precvpriv = &(padapter->recvpriv);
360 
361 	padapter->stats.tx_packets = pxmitpriv->tx_pkts;/* pxmitpriv->tx_pkts++; */
362 	padapter->stats.rx_packets = precvpriv->rx_pkts;/* precvpriv->rx_pkts++; */
363 	padapter->stats.tx_dropped = pxmitpriv->tx_drop;
364 	padapter->stats.rx_dropped = precvpriv->rx_drop;
365 	padapter->stats.tx_bytes = pxmitpriv->tx_bytes;
366 	padapter->stats.rx_bytes = precvpriv->rx_bytes;
367 
368 	return &padapter->stats;
369 }
370 
371 /*
372  * AC to queue mapping
373  *
374  * AC_VO -> queue 0
375  * AC_VI -> queue 1
376  * AC_BE -> queue 2
377  * AC_BK -> queue 3
378  */
379 static const u16 rtw_1d_to_queue[8] = { 2, 3, 3, 2, 1, 1, 0, 0 };
380 
381 /* Given a data frame determine the 802.1p/1d tag to use. */
rtw_classify8021d(struct sk_buff * skb)382 static unsigned int rtw_classify8021d(struct sk_buff *skb)
383 {
384 	unsigned int dscp;
385 
386 	/* skb->priority values from 256->263 are magic values to
387 	 * directly indicate a specific 802.1d priority.  This is used
388 	 * to allow 802.1d priority to be passed directly in from VLAN
389 	 * tags, etc.
390 	 */
391 	if (skb->priority >= 256 && skb->priority <= 263)
392 		return skb->priority - 256;
393 
394 	switch (skb->protocol) {
395 	case htons(ETH_P_IP):
396 		dscp = ip_hdr(skb)->tos & 0xfc;
397 		break;
398 	default:
399 		return 0;
400 	}
401 
402 	return dscp >> 5;
403 }
404 
405 
rtw_select_queue(struct net_device * dev,struct sk_buff * skb,struct net_device * sb_dev,select_queue_fallback_t fallback)406 static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb,
407 			    struct net_device *sb_dev,
408 			    select_queue_fallback_t fallback)
409 {
410 	struct adapter	*padapter = rtw_netdev_priv(dev);
411 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
412 
413 	skb->priority = rtw_classify8021d(skb);
414 
415 	if (pmlmepriv->acm_mask != 0)
416 		skb->priority = qos_acm(pmlmepriv->acm_mask, skb->priority);
417 
418 	return rtw_1d_to_queue[skb->priority];
419 }
420 
rtw_recv_select_queue(struct sk_buff * skb)421 u16 rtw_recv_select_queue(struct sk_buff *skb)
422 {
423 	struct iphdr *piphdr;
424 	unsigned int dscp;
425 	__be16	eth_type;
426 	u32 priority;
427 	u8 *pdata = skb->data;
428 
429 	memcpy(&eth_type, pdata + (ETH_ALEN << 1), 2);
430 
431 	switch (be16_to_cpu(eth_type)) {
432 		case ETH_P_IP:
433 
434 			piphdr = (struct iphdr *)(pdata + ETH_HLEN);
435 
436 			dscp = piphdr->tos & 0xfc;
437 
438 			priority = dscp >> 5;
439 
440 			break;
441 		default:
442 			priority = 0;
443 	}
444 
445 	return rtw_1d_to_queue[priority];
446 }
447 
rtw_ndev_notifier_call(struct notifier_block * nb,unsigned long state,void * ptr)448 static int rtw_ndev_notifier_call(struct notifier_block *nb, unsigned long state, void *ptr)
449 {
450 	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
451 
452 	if (dev->netdev_ops->ndo_do_ioctl != rtw_ioctl)
453 		return NOTIFY_DONE;
454 
455 	DBG_871X_LEVEL(_drv_info_, FUNC_NDEV_FMT " state:%lu\n", FUNC_NDEV_ARG(dev), state);
456 
457 	switch (state) {
458 	case NETDEV_CHANGENAME:
459 		rtw_adapter_proc_replace(dev);
460 		break;
461 	}
462 
463 	return NOTIFY_DONE;
464 }
465 
466 static struct notifier_block rtw_ndev_notifier = {
467 	.notifier_call = rtw_ndev_notifier_call,
468 };
469 
rtw_ndev_notifier_register(void)470 int rtw_ndev_notifier_register(void)
471 {
472 	return register_netdevice_notifier(&rtw_ndev_notifier);
473 }
474 
rtw_ndev_notifier_unregister(void)475 void rtw_ndev_notifier_unregister(void)
476 {
477 	unregister_netdevice_notifier(&rtw_ndev_notifier);
478 }
479 
480 
rtw_ndev_init(struct net_device * dev)481 static int rtw_ndev_init(struct net_device *dev)
482 {
483 	struct adapter *adapter = rtw_netdev_priv(dev);
484 
485 	DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT "\n", FUNC_ADPT_ARG(adapter));
486 	strncpy(adapter->old_ifname, dev->name, IFNAMSIZ);
487 	rtw_adapter_proc_init(dev);
488 
489 	return 0;
490 }
491 
rtw_ndev_uninit(struct net_device * dev)492 static void rtw_ndev_uninit(struct net_device *dev)
493 {
494 	struct adapter *adapter = rtw_netdev_priv(dev);
495 
496 	DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT "\n", FUNC_ADPT_ARG(adapter));
497 	rtw_adapter_proc_deinit(dev);
498 }
499 
500 static const struct net_device_ops rtw_netdev_ops = {
501 	.ndo_init = rtw_ndev_init,
502 	.ndo_uninit = rtw_ndev_uninit,
503 	.ndo_open = netdev_open,
504 	.ndo_stop = netdev_close,
505 	.ndo_start_xmit = rtw_xmit_entry,
506 	.ndo_select_queue	= rtw_select_queue,
507 	.ndo_set_mac_address = rtw_net_set_mac_address,
508 	.ndo_get_stats = rtw_net_get_stats,
509 	.ndo_do_ioctl = rtw_ioctl,
510 };
511 
rtw_init_netdev_name(struct net_device * pnetdev,const char * ifname)512 int rtw_init_netdev_name(struct net_device *pnetdev, const char *ifname)
513 {
514 	if (dev_alloc_name(pnetdev, ifname) < 0) {
515 		pr_err("dev_alloc_name, fail for %s\n", ifname);
516 		return 1;
517 	}
518 	netif_carrier_off(pnetdev);
519 	/* rtw_netif_stop_queue(pnetdev); */
520 
521 	return 0;
522 }
523 
rtw_init_netdev(struct adapter * old_padapter)524 struct net_device *rtw_init_netdev(struct adapter *old_padapter)
525 {
526 	struct adapter *padapter;
527 	struct net_device *pnetdev;
528 
529 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+init_net_dev\n"));
530 
531 	if (old_padapter != NULL)
532 		pnetdev = rtw_alloc_etherdev_with_old_priv(sizeof(struct adapter), (void *)old_padapter);
533 	else
534 		pnetdev = rtw_alloc_etherdev(sizeof(struct adapter));
535 
536 	pr_info("pnetdev = %p\n", pnetdev);
537 	if (!pnetdev)
538 		return NULL;
539 
540 	padapter = rtw_netdev_priv(pnetdev);
541 	padapter->pnetdev = pnetdev;
542 
543 	/* pnetdev->init = NULL; */
544 
545 	DBG_871X("register rtw_netdev_ops to netdev_ops\n");
546 	pnetdev->netdev_ops = &rtw_netdev_ops;
547 
548 	/* pnetdev->tx_timeout = NULL; */
549 	pnetdev->watchdog_timeo = HZ * 3; /* 3 second timeout */
550 	pnetdev->wireless_handlers = (struct iw_handler_def *)&rtw_handlers_def;
551 
552 	/* step 2. */
553 	loadparam(padapter, pnetdev);
554 
555 	return pnetdev;
556 }
557 
rtw_unregister_netdevs(struct dvobj_priv * dvobj)558 void rtw_unregister_netdevs(struct dvobj_priv *dvobj)
559 {
560 	struct adapter *padapter = NULL;
561 	struct net_device *pnetdev = NULL;
562 
563 	padapter = dvobj->padapters;
564 
565 	if (padapter == NULL)
566 		return;
567 
568 	pnetdev = padapter->pnetdev;
569 
570 	if ((padapter->DriverState != DRIVER_DISAPPEAR) && pnetdev)
571 		unregister_netdev(pnetdev); /* will call netdev_close() */
572 	rtw_wdev_unregister(padapter->rtw_wdev);
573 }
574 
rtw_start_drv_threads(struct adapter * padapter)575 u32 rtw_start_drv_threads(struct adapter *padapter)
576 {
577 	u32 _status = _SUCCESS;
578 
579 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_start_drv_threads\n"));
580 	padapter->xmitThread = kthread_run(rtw_xmit_thread, padapter, "RTW_XMIT_THREAD");
581 	if (IS_ERR(padapter->xmitThread))
582 		_status = _FAIL;
583 
584 	padapter->cmdThread = kthread_run(rtw_cmd_thread, padapter, "RTW_CMD_THREAD");
585 	if (IS_ERR(padapter->cmdThread))
586 		_status = _FAIL;
587 	else
588 		down(&padapter->cmdpriv.terminate_cmdthread_sema); /* wait for cmd_thread to run */
589 
590 	rtw_hal_start_thread(padapter);
591 	return _status;
592 }
593 
rtw_stop_drv_threads(struct adapter * padapter)594 void rtw_stop_drv_threads (struct adapter *padapter)
595 {
596 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_stop_drv_threads\n"));
597 
598 	rtw_stop_cmd_thread(padapter);
599 
600 	/*  Below is to termindate tx_thread... */
601 	up(&padapter->xmitpriv.xmit_sema);
602 	down(&padapter->xmitpriv.terminate_xmitthread_sema);
603 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("\n drv_halt: rtw_xmit_thread can be terminated !\n"));
604 
605 	rtw_hal_stop_thread(padapter);
606 }
607 
rtw_init_default_value(struct adapter * padapter)608 static u8 rtw_init_default_value(struct adapter *padapter)
609 {
610 	u8 ret  = _SUCCESS;
611 	struct registry_priv *pregistrypriv = &padapter->registrypriv;
612 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
613 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
614 	struct security_priv *psecuritypriv = &padapter->securitypriv;
615 
616 	/* xmit_priv */
617 	pxmitpriv->vcs_setting = pregistrypriv->vrtl_carrier_sense;
618 	pxmitpriv->vcs = pregistrypriv->vcs_type;
619 	pxmitpriv->vcs_type = pregistrypriv->vcs_type;
620 	/* pxmitpriv->rts_thresh = pregistrypriv->rts_thresh; */
621 	pxmitpriv->frag_len = pregistrypriv->frag_thresh;
622 
623 	/* recv_priv */
624 
625 	/* mlme_priv */
626 	pmlmepriv->scan_mode = SCAN_ACTIVE;
627 
628 	/* qos_priv */
629 	/* pmlmepriv->qospriv.qos_option = pregistrypriv->wmm_enable; */
630 
631 	/* ht_priv */
632 	pmlmepriv->htpriv.ampdu_enable = false;/* set to disabled */
633 
634 	/* security_priv */
635 	/* rtw_get_encrypt_decrypt_from_registrypriv(padapter); */
636 	psecuritypriv->binstallGrpkey = _FAIL;
637 #ifdef CONFIG_GTK_OL
638 	psecuritypriv->binstallKCK_KEK = _FAIL;
639 #endif /* CONFIG_GTK_OL */
640 	psecuritypriv->sw_encrypt = pregistrypriv->software_encrypt;
641 	psecuritypriv->sw_decrypt = pregistrypriv->software_decrypt;
642 
643 	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
644 	psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
645 
646 	psecuritypriv->dot11PrivacyKeyIndex = 0;
647 
648 	psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
649 	psecuritypriv->dot118021XGrpKeyid = 1;
650 
651 	psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
652 	psecuritypriv->ndisencryptstatus = Ndis802_11WEPDisabled;
653 
654 	/* registry_priv */
655 	rtw_init_registrypriv_dev_network(padapter);
656 	rtw_update_registrypriv_dev_network(padapter);
657 
658 	/* hal_priv */
659 	rtw_hal_def_value_init(padapter);
660 
661 	/* misc. */
662 	RTW_ENABLE_FUNC(padapter, DF_RX_BIT);
663 	RTW_ENABLE_FUNC(padapter, DF_TX_BIT);
664 	padapter->bLinkInfoDump = 0;
665 	padapter->bNotifyChannelChange = 0;
666 
667 	/* for debug purpose */
668 	padapter->fix_rate = 0xFF;
669 	padapter->driver_ampdu_spacing = 0xFF;
670 	padapter->driver_rx_ampdu_factor =  0xFF;
671 
672 	return ret;
673 }
674 
devobj_init(void)675 struct dvobj_priv *devobj_init(void)
676 {
677 	struct dvobj_priv *pdvobj = NULL;
678 
679 	pdvobj = rtw_zmalloc(sizeof(*pdvobj));
680 	if (pdvobj == NULL)
681 		return NULL;
682 
683 	mutex_init(&pdvobj->hw_init_mutex);
684 	mutex_init(&pdvobj->h2c_fwcmd_mutex);
685 	mutex_init(&pdvobj->setch_mutex);
686 	mutex_init(&pdvobj->setbw_mutex);
687 
688 	spin_lock_init(&pdvobj->lock);
689 
690 	pdvobj->macid[1] = true; /* macid = 1 for bc/mc stainfo */
691 
692 	pdvobj->processing_dev_remove = false;
693 
694 	atomic_set(&pdvobj->disable_func, 0);
695 
696 	spin_lock_init(&pdvobj->cam_ctl.lock);
697 
698 	return pdvobj;
699 }
700 
devobj_deinit(struct dvobj_priv * pdvobj)701 void devobj_deinit(struct dvobj_priv *pdvobj)
702 {
703 	if (!pdvobj)
704 		return;
705 
706 	mutex_destroy(&pdvobj->hw_init_mutex);
707 	mutex_destroy(&pdvobj->h2c_fwcmd_mutex);
708 	mutex_destroy(&pdvobj->setch_mutex);
709 	mutex_destroy(&pdvobj->setbw_mutex);
710 
711 	kfree(pdvobj);
712 }
713 
rtw_reset_drv_sw(struct adapter * padapter)714 u8 rtw_reset_drv_sw(struct adapter *padapter)
715 {
716 	u8 ret8 = _SUCCESS;
717 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
718 	struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
719 
720 	/* hal_priv */
721 	if (is_primary_adapter(padapter))
722 		rtw_hal_def_value_init(padapter);
723 
724 	RTW_ENABLE_FUNC(padapter, DF_RX_BIT);
725 	RTW_ENABLE_FUNC(padapter, DF_TX_BIT);
726 	padapter->bLinkInfoDump = 0;
727 
728 	padapter->xmitpriv.tx_pkts = 0;
729 	padapter->recvpriv.rx_pkts = 0;
730 
731 	pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
732 
733 	/* pmlmepriv->LinkDetectInfo.TrafficBusyState = false; */
734 	pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
735 	pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
736 
737 	_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING);
738 
739 	pwrctrlpriv->pwr_state_check_cnts = 0;
740 
741 	/* mlmeextpriv */
742 	padapter->mlmeextpriv.sitesurvey_res.state = SCAN_DISABLE;
743 
744 	rtw_set_signal_stat_timer(&padapter->recvpriv);
745 
746 	return ret8;
747 }
748 
749 
rtw_init_drv_sw(struct adapter * padapter)750 u8 rtw_init_drv_sw(struct adapter *padapter)
751 {
752 	u8 ret8 = _SUCCESS;
753 
754 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_init_drv_sw\n"));
755 
756 	ret8 = rtw_init_default_value(padapter);
757 
758 	rtw_init_hal_com_default_value(padapter);
759 
760 	if ((rtw_init_cmd_priv(&padapter->cmdpriv)) == _FAIL) {
761 		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init cmd_priv\n"));
762 		ret8 = _FAIL;
763 		goto exit;
764 	}
765 
766 	padapter->cmdpriv.padapter = padapter;
767 
768 	if ((rtw_init_evt_priv(&padapter->evtpriv)) == _FAIL) {
769 		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init evt_priv\n"));
770 		ret8 = _FAIL;
771 		goto exit;
772 	}
773 
774 
775 	if (rtw_init_mlme_priv(padapter) == _FAIL) {
776 		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init mlme_priv\n"));
777 		ret8 = _FAIL;
778 		goto exit;
779 	}
780 
781 	if (init_mlme_ext_priv(padapter) == _FAIL) {
782 		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init mlme_ext_priv\n"));
783 		ret8 = _FAIL;
784 		goto exit;
785 	}
786 
787 	if (_rtw_init_xmit_priv(&padapter->xmitpriv, padapter) == _FAIL) {
788 		DBG_871X("Can't _rtw_init_xmit_priv\n");
789 		ret8 = _FAIL;
790 		goto exit;
791 	}
792 
793 	if (_rtw_init_recv_priv(&padapter->recvpriv, padapter) == _FAIL) {
794 		DBG_871X("Can't _rtw_init_recv_priv\n");
795 		ret8 = _FAIL;
796 		goto exit;
797 	}
798 	/*  add for CONFIG_IEEE80211W, none 11w also can use */
799 	spin_lock_init(&padapter->security_key_mutex);
800 
801 	/*  We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */
802 	/* memset((unsigned char *)&padapter->securitypriv, 0, sizeof (struct security_priv)); */
803 
804 	if (_rtw_init_sta_priv(&padapter->stapriv) == _FAIL) {
805 		DBG_871X("Can't _rtw_init_sta_priv\n");
806 		ret8 = _FAIL;
807 		goto exit;
808 	}
809 
810 	padapter->stapriv.padapter = padapter;
811 	padapter->setband = GHZ24_50;
812 	padapter->fix_rate = 0xFF;
813 	rtw_init_bcmc_stainfo(padapter);
814 
815 	rtw_init_pwrctrl_priv(padapter);
816 
817 	rtw_hal_dm_init(padapter);
818 
819 #ifdef CONFIG_INTEL_WIDI
820 	if (rtw_init_intel_widi(padapter) == _FAIL) {
821 		DBG_871X("Can't rtw_init_intel_widi\n");
822 		ret8 = _FAIL;
823 		goto exit;
824 	}
825 #endif /* CONFIG_INTEL_WIDI */
826 
827 exit:
828 
829 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-rtw_init_drv_sw\n"));
830 
831 	return ret8;
832 }
833 
rtw_cancel_all_timer(struct adapter * padapter)834 void rtw_cancel_all_timer(struct adapter *padapter)
835 {
836 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_cancel_all_timer\n"));
837 
838 	del_timer_sync(&padapter->mlmepriv.assoc_timer);
839 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel association timer complete!\n"));
840 
841 	del_timer_sync(&padapter->mlmepriv.scan_to_timer);
842 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel scan_to_timer!\n"));
843 
844 	del_timer_sync(&padapter->mlmepriv.dynamic_chk_timer);
845 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel dynamic_chk_timer!\n"));
846 
847 	del_timer_sync(&(adapter_to_pwrctl(padapter)->pwr_state_check_timer));
848 
849 	del_timer_sync(&padapter->mlmepriv.set_scan_deny_timer);
850 	rtw_clear_scan_deny(padapter);
851 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel set_scan_deny_timer!\n"));
852 
853 	del_timer_sync(&padapter->recvpriv.signal_stat_timer);
854 
855 	/* cancel dm timer */
856 	rtw_hal_dm_deinit(padapter);
857 }
858 
rtw_free_drv_sw(struct adapter * padapter)859 u8 rtw_free_drv_sw(struct adapter *padapter)
860 {
861 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("==>rtw_free_drv_sw"));
862 
863 #ifdef CONFIG_INTEL_WIDI
864 	rtw_free_intel_widi(padapter);
865 #endif /* CONFIG_INTEL_WIDI */
866 
867 	free_mlme_ext_priv(&padapter->mlmeextpriv);
868 
869 	rtw_free_cmd_priv(&padapter->cmdpriv);
870 
871 	rtw_free_evt_priv(&padapter->evtpriv);
872 
873 	rtw_free_mlme_priv(&padapter->mlmepriv);
874 
875 	/* free_io_queue(padapter); */
876 
877 	_rtw_free_xmit_priv(&padapter->xmitpriv);
878 
879 	_rtw_free_sta_priv(&padapter->stapriv); /* will free bcmc_stainfo here */
880 
881 	_rtw_free_recv_priv(&padapter->recvpriv);
882 
883 	rtw_free_pwrctrl_priv(padapter);
884 
885 	/* kfree((void *)padapter); */
886 
887 	rtw_hal_free_data(padapter);
888 
889 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("<==rtw_free_drv_sw\n"));
890 
891 	/* free the old_pnetdev */
892 	if (padapter->rereg_nd_name_priv.old_pnetdev) {
893 		free_netdev(padapter->rereg_nd_name_priv.old_pnetdev);
894 		padapter->rereg_nd_name_priv.old_pnetdev = NULL;
895 	}
896 
897 	/*  clear pbuddystruct adapter to avoid access wrong pointer. */
898 	if (padapter->pbuddy_adapter != NULL)
899 		padapter->pbuddy_adapter->pbuddy_adapter = NULL;
900 
901 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-rtw_free_drv_sw\n"));
902 
903 	return _SUCCESS;
904 }
905 
_rtw_drv_register_netdev(struct adapter * padapter,char * name)906 static int _rtw_drv_register_netdev(struct adapter *padapter, char *name)
907 {
908 	int ret = _SUCCESS;
909 	struct net_device *pnetdev = padapter->pnetdev;
910 
911 	/* alloc netdev name */
912 	if (rtw_init_netdev_name(pnetdev, name))
913 		return _FAIL;
914 
915 	memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
916 
917 	/* Tell the network stack we exist */
918 	if (register_netdev(pnetdev) != 0) {
919 		DBG_871X(FUNC_NDEV_FMT "Failed!\n", FUNC_NDEV_ARG(pnetdev));
920 		ret = _FAIL;
921 		goto error_register_netdev;
922 	}
923 
924 	DBG_871X("%s, MAC Address (if%d) = " MAC_FMT "\n", __func__, (padapter->iface_id + 1), MAC_ARG(pnetdev->dev_addr));
925 
926 	return ret;
927 
928 error_register_netdev:
929 
930 	rtw_free_drv_sw(padapter);
931 
932 	rtw_free_netdev(pnetdev);
933 
934 	return ret;
935 }
936 
rtw_drv_register_netdev(struct adapter * if1)937 int rtw_drv_register_netdev(struct adapter *if1)
938 {
939 	struct dvobj_priv *dvobj = if1->dvobj;
940 	struct adapter *padapter = dvobj->padapters;
941 	char *name = if1->registrypriv.ifname;
942 
943 	return _rtw_drv_register_netdev(padapter, name);
944 }
945 
_netdev_open(struct net_device * pnetdev)946 int _netdev_open(struct net_device *pnetdev)
947 {
948 	uint status;
949 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
950 	struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
951 
952 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+871x_drv - dev_open\n"));
953 	DBG_871X("+871x_drv - drv_open, bup =%d\n", padapter->bup);
954 
955 	padapter->netif_up = true;
956 
957 	if (pwrctrlpriv->ps_flag == true) {
958 		padapter->net_closed = false;
959 		goto netdev_open_normal_process;
960 	}
961 
962 	if (padapter->bup == false) {
963 		padapter->bDriverStopped = false;
964 		padapter->bSurpriseRemoved = false;
965 		padapter->bCardDisableWOHSM = false;
966 
967 		status = rtw_hal_init(padapter);
968 		if (status == _FAIL) {
969 			RT_TRACE(_module_os_intfs_c_, _drv_err_, ("rtl871x_hal_init(): Can't init h/w!\n"));
970 			goto netdev_open_error;
971 		}
972 
973 		DBG_871X("MAC Address = " MAC_FMT "\n", MAC_ARG(pnetdev->dev_addr));
974 
975 		status = rtw_start_drv_threads(padapter);
976 		if (status == _FAIL) {
977 			DBG_871X("Initialize driver software resource Failed!\n");
978 			goto netdev_open_error;
979 		}
980 
981 		if (padapter->intf_start)
982 			padapter->intf_start(padapter);
983 
984 		rtw_cfg80211_init_wiphy(padapter);
985 
986 		padapter->bup = true;
987 		pwrctrlpriv->bips_processing = false;
988 	}
989 	padapter->net_closed = false;
990 
991 	_set_timer(&padapter->mlmepriv.dynamic_chk_timer, 2000);
992 
993 	if (!rtw_netif_queue_stopped(pnetdev))
994 		rtw_netif_start_queue(pnetdev);
995 	else
996 		rtw_netif_wake_queue(pnetdev);
997 
998 netdev_open_normal_process:
999 
1000 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-871x_drv - dev_open\n"));
1001 	DBG_871X("-871x_drv - drv_open, bup =%d\n", padapter->bup);
1002 
1003 	return 0;
1004 
1005 netdev_open_error:
1006 
1007 	padapter->bup = false;
1008 
1009 	netif_carrier_off(pnetdev);
1010 	rtw_netif_stop_queue(pnetdev);
1011 
1012 	RT_TRACE(_module_os_intfs_c_, _drv_err_, ("-871x_drv - dev_open, fail!\n"));
1013 	DBG_871X("-871x_drv - drv_open fail, bup =%d\n", padapter->bup);
1014 
1015 	return (-1);
1016 }
1017 
netdev_open(struct net_device * pnetdev)1018 int netdev_open(struct net_device *pnetdev)
1019 {
1020 	int ret;
1021 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
1022 	struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter);
1023 
1024 	if (pwrctrlpriv->bInSuspend == true) {
1025 		DBG_871X("+871x_drv - drv_open, bInSuspend =%d\n", pwrctrlpriv->bInSuspend);
1026 		return 0;
1027 	}
1028 
1029 	if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->hw_init_mutex)))
1030 		return -1;
1031 
1032 	ret = _netdev_open(pnetdev);
1033 	mutex_unlock(&(adapter_to_dvobj(padapter)->hw_init_mutex));
1034 
1035 	return ret;
1036 }
1037 
ips_netdrv_open(struct adapter * padapter)1038 static int  ips_netdrv_open(struct adapter *padapter)
1039 {
1040 	int status = _SUCCESS;
1041 	/* struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); */
1042 
1043 	padapter->net_closed = false;
1044 
1045 	DBG_871X("===> %s.........\n", __func__);
1046 
1047 
1048 	padapter->bDriverStopped = false;
1049 	padapter->bCardDisableWOHSM = false;
1050 	/* padapter->bup = true; */
1051 
1052 	status = rtw_hal_init(padapter);
1053 	if (status == _FAIL) {
1054 		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("ips_netdrv_open(): Can't init h/w!\n"));
1055 		goto netdev_open_error;
1056 	}
1057 
1058 	if (padapter->intf_start)
1059 		padapter->intf_start(padapter);
1060 
1061 	_set_timer(&padapter->mlmepriv.dynamic_chk_timer, 2000);
1062 
1063 	return _SUCCESS;
1064 
1065 netdev_open_error:
1066 	/* padapter->bup = false; */
1067 	DBG_871X("-ips_netdrv_open - drv_open failure, bup =%d\n", padapter->bup);
1068 
1069 	return _FAIL;
1070 }
1071 
1072 
rtw_ips_pwr_up(struct adapter * padapter)1073 int rtw_ips_pwr_up(struct adapter *padapter)
1074 {
1075 	int result;
1076 	DBG_871X("===>  rtw_ips_pwr_up..............\n");
1077 
1078 	result = ips_netdrv_open(padapter);
1079 
1080 	DBG_871X("<===  rtw_ips_pwr_up..............\n");
1081 	return result;
1082 }
1083 
rtw_ips_pwr_down(struct adapter * padapter)1084 void rtw_ips_pwr_down(struct adapter *padapter)
1085 {
1086 	DBG_871X("===> rtw_ips_pwr_down...................\n");
1087 
1088 	padapter->bCardDisableWOHSM = true;
1089 	padapter->net_closed = true;
1090 
1091 	rtw_ips_dev_unload(padapter);
1092 	padapter->bCardDisableWOHSM = false;
1093 	DBG_871X("<=== rtw_ips_pwr_down.....................\n");
1094 }
1095 
rtw_ips_dev_unload(struct adapter * padapter)1096 void rtw_ips_dev_unload(struct adapter *padapter)
1097 {
1098 	DBG_871X("====> %s...\n", __func__);
1099 
1100 
1101 	if (padapter->bSurpriseRemoved == false)
1102 		rtw_hal_deinit(padapter);
1103 }
1104 
1105 
pm_netdev_open(struct net_device * pnetdev,u8 bnormal)1106 static int pm_netdev_open(struct net_device *pnetdev, u8 bnormal)
1107 {
1108 	int status = -1;
1109 
1110 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
1111 
1112 	if (true == bnormal) {
1113 		if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->hw_init_mutex)) == 0) {
1114 			status = _netdev_open(pnetdev);
1115 			mutex_unlock(&(adapter_to_dvobj(padapter)->hw_init_mutex));
1116 		}
1117 	}
1118 	else
1119 		status =  (_SUCCESS == ips_netdrv_open(padapter)) ? (0) : (-1);
1120 
1121 	return status;
1122 }
1123 
netdev_close(struct net_device * pnetdev)1124 static int netdev_close(struct net_device *pnetdev)
1125 {
1126 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
1127 	struct pwrctrl_priv *pwrctl = adapter_to_pwrctl(padapter);
1128 
1129 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+871x_drv - drv_close\n"));
1130 
1131 	if (pwrctl->bInternalAutoSuspend == true) {
1132 		/* rtw_pwr_wakeup(padapter); */
1133 		if (pwrctl->rf_pwrstate == rf_off)
1134 			pwrctl->ps_flag = true;
1135 	}
1136 	padapter->net_closed = true;
1137 	padapter->netif_up = false;
1138 
1139 /*if (!padapter->hw_init_completed)
1140 	{
1141 		DBG_871X("(1)871x_drv - drv_close, bup =%d, hw_init_completed =%d\n", padapter->bup, padapter->hw_init_completed);
1142 
1143 		padapter->bDriverStopped = true;
1144 
1145 		rtw_dev_unload(padapter);
1146 	}
1147 	else*/
1148 	if (pwrctl->rf_pwrstate == rf_on) {
1149 		DBG_871X("(2)871x_drv - drv_close, bup =%d, hw_init_completed =%d\n", padapter->bup, padapter->hw_init_completed);
1150 
1151 		/* s1. */
1152 		if (pnetdev) {
1153 			if (!rtw_netif_queue_stopped(pnetdev))
1154 				rtw_netif_stop_queue(pnetdev);
1155 		}
1156 
1157 		/* s2. */
1158 		LeaveAllPowerSaveMode(padapter);
1159 		rtw_disassoc_cmd(padapter, 500, false);
1160 		/* s2-2.  indicate disconnect to os */
1161 		rtw_indicate_disconnect(padapter);
1162 		/* s2-3. */
1163 		rtw_free_assoc_resources(padapter, 1);
1164 		/* s2-4. */
1165 		rtw_free_network_queue(padapter, true);
1166 	}
1167 
1168 	rtw_scan_abort(padapter);
1169 	adapter_wdev_data(padapter)->bandroid_scan = false;
1170 
1171 	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-871x_drv - drv_close\n"));
1172 	DBG_871X("-871x_drv - drv_close, bup =%d\n", padapter->bup);
1173 
1174 	return 0;
1175 }
1176 
rtw_ndev_destructor(struct net_device * ndev)1177 void rtw_ndev_destructor(struct net_device *ndev)
1178 {
1179 	DBG_871X(FUNC_NDEV_FMT "\n", FUNC_NDEV_ARG(ndev));
1180 
1181 	if (ndev->ieee80211_ptr)
1182 		kfree((u8 *)ndev->ieee80211_ptr);
1183 }
1184 
rtw_dev_unload(struct adapter * padapter)1185 void rtw_dev_unload(struct adapter *padapter)
1186 {
1187 	struct pwrctrl_priv *pwrctl = adapter_to_pwrctl(padapter);
1188 	struct dvobj_priv *pobjpriv = padapter->dvobj;
1189 	struct debug_priv *pdbgpriv = &pobjpriv->drv_dbg;
1190 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
1191 	u8 cnt = 0;
1192 
1193 	RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+%s\n", __func__));
1194 
1195 	if (padapter->bup == true) {
1196 		DBG_871X("===> %s\n", __func__);
1197 
1198 		padapter->bDriverStopped = true;
1199 		if (padapter->xmitpriv.ack_tx)
1200 			rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
1201 
1202 		if (padapter->intf_stop)
1203 			padapter->intf_stop(padapter);
1204 
1205 		RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("@ rtw_dev_unload: stop intf complete!\n"));
1206 
1207 		if (!pwrctl->bInternalAutoSuspend)
1208 			rtw_stop_drv_threads(padapter);
1209 
1210 		while (atomic_read(&(pcmdpriv->cmdthd_running)) == true) {
1211 			if (cnt > 5) {
1212 				DBG_871X("stop cmdthd timeout\n");
1213 				break;
1214 			} else {
1215 				cnt ++;
1216 				DBG_871X("cmdthd is running(%d)\n", cnt);
1217 				msleep(10);
1218 			}
1219 		}
1220 
1221 		RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("@ %s: stop thread complete!\n", __func__));
1222 
1223 		/* check the status of IPS */
1224 		if (rtw_hal_check_ips_status(padapter) == true || pwrctl->rf_pwrstate == rf_off) { /* check HW status and SW state */
1225 			DBG_871X_LEVEL(_drv_always_, "%s: driver in IPS-FWLPS\n", __func__);
1226 			pdbgpriv->dbg_dev_unload_inIPS_cnt++;
1227 			LeaveAllPowerSaveMode(padapter);
1228 		} else {
1229 			DBG_871X_LEVEL(_drv_always_, "%s: driver not in IPS\n", __func__);
1230 		}
1231 
1232 		if (padapter->bSurpriseRemoved == false) {
1233 			rtw_btcoex_IpsNotify(padapter, pwrctl->ips_mode_req);
1234 #ifdef CONFIG_WOWLAN
1235 			if (pwrctl->bSupportRemoteWakeup == true &&
1236 				pwrctl->wowlan_mode == true) {
1237 				DBG_871X_LEVEL(_drv_always_, "%s bSupportRemoteWakeup ==true  do not run rtw_hal_deinit()\n", __func__);
1238 			}
1239 			else
1240 #endif
1241 			{
1242 				/* amy modify 20120221 for power seq is different between driver open and ips */
1243 				rtw_hal_deinit(padapter);
1244 			}
1245 			padapter->bSurpriseRemoved = true;
1246 		}
1247 		RT_TRACE(_module_hci_intfs_c_, _drv_notice_,
1248 			 ("@ %s: deinit hal complete!\n", __func__));
1249 
1250 		padapter->bup = false;
1251 
1252 		DBG_871X("<=== %s\n", __func__);
1253 	}
1254 	else {
1255 		RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("%s: bup ==false\n", __func__));
1256 		DBG_871X("%s: bup ==false\n", __func__);
1257 	}
1258 
1259 	RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("-%s\n", __func__));
1260 }
1261 
rtw_suspend_free_assoc_resource(struct adapter * padapter)1262 static int rtw_suspend_free_assoc_resource(struct adapter *padapter)
1263 {
1264 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1265 
1266 	DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter));
1267 
1268 	if (rtw_chk_roam_flags(padapter, RTW_ROAM_ON_RESUME)) {
1269 		if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
1270 			&& check_fwstate(pmlmepriv, _FW_LINKED)) {
1271 			DBG_871X("%s %s(" MAC_FMT "), length:%d assoc_ssid.length:%d\n", __func__,
1272 					pmlmepriv->cur_network.network.Ssid.Ssid,
1273 					MAC_ARG(pmlmepriv->cur_network.network.MacAddress),
1274 					pmlmepriv->cur_network.network.Ssid.SsidLength,
1275 					pmlmepriv->assoc_ssid.SsidLength);
1276 			rtw_set_to_roam(padapter, 1);
1277 		}
1278 	}
1279 
1280 	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) && check_fwstate(pmlmepriv, _FW_LINKED)) {
1281 		rtw_disassoc_cmd(padapter, 0, false);
1282 		/* s2-2.  indicate disconnect to os */
1283 		rtw_indicate_disconnect(padapter);
1284 	}
1285 	else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1286 		rtw_sta_flush(padapter);
1287 	}
1288 
1289 	/* s2-3. */
1290 	rtw_free_assoc_resources(padapter, 1);
1291 
1292 	/* s2-4. */
1293 	rtw_free_network_queue(padapter, true);
1294 
1295 	if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
1296 		rtw_indicate_scan_done(padapter, 1);
1297 
1298 	if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1299 		DBG_871X_LEVEL(_drv_always_, "%s: fw_under_linking\n", __func__);
1300 		rtw_indicate_disconnect(padapter);
1301 	}
1302 
1303 	DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter));
1304 	return _SUCCESS;
1305 }
1306 
1307 #ifdef CONFIG_WOWLAN
rtw_suspend_wow(struct adapter * padapter)1308 int rtw_suspend_wow(struct adapter *padapter)
1309 {
1310 	u8 ch, bw, offset;
1311 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1312 	struct net_device *pnetdev = padapter->pnetdev;
1313 	struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
1314 	struct wowlan_ioctl_param poidparam;
1315 	int ret = _SUCCESS;
1316 
1317 	DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter));
1318 
1319 
1320 	DBG_871X("wowlan_mode: %d\n", pwrpriv->wowlan_mode);
1321 	DBG_871X("wowlan_pno_enable: %d\n", pwrpriv->wowlan_pno_enable);
1322 
1323 	if (pwrpriv->wowlan_mode == true) {
1324 		if (pnetdev)
1325 			rtw_netif_stop_queue(pnetdev);
1326 		/*  1. stop thread */
1327 		padapter->bDriverStopped = true;	/* for stop thread */
1328 		rtw_stop_drv_threads(padapter);
1329 		padapter->bDriverStopped = false;	/* for 32k command */
1330 
1331 		/*  2. disable interrupt */
1332 		if (padapter->intf_stop) {
1333 			padapter->intf_stop(padapter);
1334 		}
1335 
1336 		/*  2.1 clean interupt */
1337 		if (padapter->HalFunc.clear_interrupt)
1338 			padapter->HalFunc.clear_interrupt(padapter);
1339 
1340 		/*  2.2 free irq */
1341 		/* sdio_free_irq(adapter_to_dvobj(padapter)); */
1342 		if (padapter->intf_free_irq)
1343 			padapter->intf_free_irq(adapter_to_dvobj(padapter));
1344 
1345 		poidparam.subcode = WOWLAN_ENABLE;
1346 		padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WOWLAN, (u8 *)&poidparam);
1347 		if (rtw_chk_roam_flags(padapter, RTW_ROAM_ON_RESUME)) {
1348 			if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
1349 				&& check_fwstate(pmlmepriv, _FW_LINKED)) {
1350 				DBG_871X("%s %s(" MAC_FMT "), length:%d assoc_ssid.length:%d\n", __func__,
1351 						pmlmepriv->cur_network.network.Ssid.Ssid,
1352 						MAC_ARG(pmlmepriv->cur_network.network.MacAddress),
1353 						pmlmepriv->cur_network.network.Ssid.SsidLength,
1354 						pmlmepriv->assoc_ssid.SsidLength);
1355 
1356 				rtw_set_to_roam(padapter, 0);
1357 			}
1358 		}
1359 
1360 		DBG_871X_LEVEL(_drv_always_, "%s: wowmode suspending\n", __func__);
1361 
1362 		if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
1363 			DBG_871X_LEVEL(_drv_always_, "%s: fw_under_survey\n", __func__);
1364 			rtw_indicate_scan_done(padapter, 1);
1365 			clr_fwstate(pmlmepriv, _FW_UNDER_SURVEY);
1366 		}
1367 
1368 		if (rtw_get_ch_setting_union(padapter, &ch, &bw, &offset) != 0) {
1369 			DBG_871X(FUNC_ADPT_FMT " back to linked/linking union - ch:%u, bw:%u, offset:%u\n",
1370 				FUNC_ADPT_ARG(padapter), ch, bw, offset);
1371 			set_channel_bwmode(padapter, ch, offset, bw);
1372 		}
1373 
1374 		if (pwrpriv->wowlan_pno_enable)
1375 			DBG_871X_LEVEL(_drv_always_, "%s: pno: %d\n", __func__, pwrpriv->wowlan_pno_enable);
1376 		else
1377 			rtw_set_ps_mode(padapter, PS_MODE_DTIM, 0, 0, "WOWLAN");
1378 	}
1379 	else {
1380 		DBG_871X_LEVEL(_drv_always_, "%s: ### ERROR ### wowlan_mode =%d\n", __func__, pwrpriv->wowlan_mode);
1381 	}
1382 	DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter));
1383 	return ret;
1384 }
1385 #endif /* ifdef CONFIG_WOWLAN */
1386 
1387 #ifdef CONFIG_AP_WOWLAN
rtw_suspend_ap_wow(struct adapter * padapter)1388 int rtw_suspend_ap_wow(struct adapter *padapter)
1389 {
1390 	u8 ch, bw, offset;
1391 	struct net_device *pnetdev = padapter->pnetdev;
1392 	struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
1393 	struct wowlan_ioctl_param poidparam;
1394 	int ret = _SUCCESS;
1395 
1396 	DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter));
1397 
1398 	pwrpriv->wowlan_ap_mode = true;
1399 
1400 	DBG_871X("wowlan_ap_mode: %d\n", pwrpriv->wowlan_ap_mode);
1401 
1402 	if (pnetdev)
1403 		rtw_netif_stop_queue(pnetdev);
1404 	/*  1. stop thread */
1405 	padapter->bDriverStopped = true;	/* for stop thread */
1406 	rtw_stop_drv_threads(padapter);
1407 	padapter->bDriverStopped = false;	/* for 32k command */
1408 
1409 	/*  2. disable interrupt */
1410 	rtw_hal_disable_interrupt(padapter); /*  It need wait for leaving 32K. */
1411 
1412 	/*  2.1 clean interupt */
1413 	if (padapter->HalFunc.clear_interrupt)
1414 		padapter->HalFunc.clear_interrupt(padapter);
1415 
1416 	/*  2.2 free irq */
1417 	/* sdio_free_irq(adapter_to_dvobj(padapter)); */
1418 	if (padapter->intf_free_irq)
1419 		padapter->intf_free_irq(adapter_to_dvobj(padapter));
1420 
1421 	poidparam.subcode = WOWLAN_AP_ENABLE;
1422 	padapter->HalFunc.SetHwRegHandler(padapter,
1423 					HW_VAR_AP_WOWLAN, (u8 *)&poidparam);
1424 
1425 	DBG_871X_LEVEL(_drv_always_, "%s: wowmode suspending\n", __func__);
1426 
1427 	if (rtw_get_ch_setting_union(padapter, &ch, &bw, &offset) != 0) {
1428 		DBG_871X(FUNC_ADPT_FMT " back to linked/linking union - ch:%u, bw:%u, offset:%u\n",
1429 			 FUNC_ADPT_ARG(padapter), ch, bw, offset);
1430 		set_channel_bwmode(padapter, ch, offset, bw);
1431 	}
1432 
1433 	rtw_set_ps_mode(padapter, PS_MODE_MIN, 0, 0, "AP-WOWLAN");
1434 
1435 	DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter));
1436 	return ret;
1437 }
1438 #endif /* ifdef CONFIG_AP_WOWLAN */
1439 
1440 
rtw_suspend_normal(struct adapter * padapter)1441 static int rtw_suspend_normal(struct adapter *padapter)
1442 {
1443 	struct net_device *pnetdev = padapter->pnetdev;
1444 	int ret = _SUCCESS;
1445 
1446 	DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter));
1447 	if (pnetdev) {
1448 		netif_carrier_off(pnetdev);
1449 		rtw_netif_stop_queue(pnetdev);
1450 	}
1451 
1452 	rtw_suspend_free_assoc_resource(padapter);
1453 
1454 	if ((rtw_hal_check_ips_status(padapter) == true)
1455 		|| (adapter_to_pwrctl(padapter)->rf_pwrstate == rf_off)) {
1456 		DBG_871X_LEVEL(_drv_always_, "%s: ### ERROR #### driver in IPS ####ERROR###!!!\n", __func__);
1457 	}
1458 
1459 	rtw_dev_unload(padapter);
1460 
1461 	/* sdio_deinit(adapter_to_dvobj(padapter)); */
1462 	if (padapter->intf_deinit)
1463 		padapter->intf_deinit(adapter_to_dvobj(padapter));
1464 
1465 	DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter));
1466 	return ret;
1467 }
1468 
rtw_suspend_common(struct adapter * padapter)1469 int rtw_suspend_common(struct adapter *padapter)
1470 {
1471 	struct dvobj_priv *psdpriv = padapter->dvobj;
1472 	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
1473 	struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
1474 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1475 
1476 	int ret = 0;
1477 	unsigned long start_time = jiffies;
1478 
1479 	DBG_871X_LEVEL(_drv_always_, " suspend start\n");
1480 	DBG_871X("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
1481 	pdbgpriv->dbg_suspend_cnt++;
1482 
1483 	pwrpriv->bInSuspend = true;
1484 
1485 	while (pwrpriv->bips_processing == true)
1486 		msleep(1);
1487 
1488 	if ((!padapter->bup) || (padapter->bDriverStopped) || (padapter->bSurpriseRemoved)) {
1489 		DBG_871X("%s bup =%d bDriverStopped =%d bSurpriseRemoved = %d\n", __func__
1490 			, padapter->bup, padapter->bDriverStopped, padapter->bSurpriseRemoved);
1491 		pdbgpriv->dbg_suspend_error_cnt++;
1492 		goto exit;
1493 	}
1494 	rtw_ps_deny(padapter, PS_DENY_SUSPEND);
1495 
1496 	rtw_cancel_all_timer(padapter);
1497 
1498 	LeaveAllPowerSaveModeDirect(padapter);
1499 
1500 	rtw_stop_cmd_thread(padapter);
1501 
1502 	/*  wait for the latest FW to remove this condition. */
1503 	if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
1504 		rtw_btcoex_SuspendNotify(padapter, 0);
1505 		DBG_871X("WIFI_AP_STATE\n");
1506 	} else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1507 		rtw_btcoex_SuspendNotify(padapter, 1);
1508 		DBG_871X("STATION\n");
1509 	}
1510 
1511 	rtw_ps_deny_cancel(padapter, PS_DENY_SUSPEND);
1512 
1513 	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1514 	#ifdef CONFIG_WOWLAN
1515 		if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1516 			pwrpriv->wowlan_mode = true;
1517 		} else if (pwrpriv->wowlan_pno_enable == true) {
1518 			pwrpriv->wowlan_mode |= pwrpriv->wowlan_pno_enable;
1519 		}
1520 
1521 		if (pwrpriv->wowlan_mode == true)
1522 		rtw_suspend_wow(padapter);
1523 		else
1524 			rtw_suspend_normal(padapter);
1525 
1526 	#else /* CONFIG_WOWLAN */
1527 		rtw_suspend_normal(padapter);
1528 	#endif /* CONFIG_WOWLAN */
1529 	} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
1530 	#ifdef CONFIG_AP_WOWLAN
1531 		rtw_suspend_ap_wow(padapter);
1532 	#else
1533 		rtw_suspend_normal(padapter);
1534 	#endif /* CONFIG_AP_WOWLAN */
1535 	} else {
1536 		rtw_suspend_normal(padapter);
1537 	}
1538 
1539 	DBG_871X_LEVEL(_drv_always_, "rtw suspend success in %d ms\n",
1540 		jiffies_to_msecs(jiffies - start_time));
1541 
1542 exit:
1543 	DBG_871X("<===  %s return %d.............. in %dms\n", __func__
1544 		, ret, jiffies_to_msecs(jiffies - start_time));
1545 
1546 	return ret;
1547 }
1548 
1549 #ifdef CONFIG_WOWLAN
rtw_resume_process_wow(struct adapter * padapter)1550 int rtw_resume_process_wow(struct adapter *padapter)
1551 {
1552 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1553 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1554 	struct net_device *pnetdev = padapter->pnetdev;
1555 	struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
1556 	struct dvobj_priv *psdpriv = padapter->dvobj;
1557 	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
1558 	struct wowlan_ioctl_param poidparam;
1559 	struct sta_info *psta = NULL;
1560 	int ret = _SUCCESS;
1561 
1562 	DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter));
1563 
1564 	if (padapter) {
1565 		pnetdev = padapter->pnetdev;
1566 		pwrpriv = adapter_to_pwrctl(padapter);
1567 	} else {
1568 		pdbgpriv->dbg_resume_error_cnt++;
1569 		ret = -1;
1570 		goto exit;
1571 	}
1572 
1573 	if (padapter->bDriverStopped || padapter->bSurpriseRemoved) {
1574 		DBG_871X("%s pdapter %p bDriverStopped %d bSurpriseRemoved %d\n",
1575 				__func__, padapter, padapter->bDriverStopped,
1576 				padapter->bSurpriseRemoved);
1577 		goto exit;
1578 	}
1579 
1580 #ifdef CONFIG_PNO_SUPPORT
1581 	pwrpriv->pno_in_resume = true;
1582 #endif
1583 
1584 	if (pwrpriv->wowlan_mode == true) {
1585 		rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0, "WOWLAN");
1586 
1587 		pwrpriv->bFwCurrentInPSMode = false;
1588 
1589 		if (padapter->intf_stop) {
1590 			padapter->intf_stop(padapter);
1591 		}
1592 
1593 		if (padapter->HalFunc.clear_interrupt)
1594 			padapter->HalFunc.clear_interrupt(padapter);
1595 
1596 		/* if (sdio_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS) { */
1597 		if ((padapter->intf_alloc_irq) && (padapter->intf_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS)) {
1598 			ret = -1;
1599 			RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s: sdio_alloc_irq Failed!!\n", __func__));
1600 			goto exit;
1601 		}
1602 
1603 		/* Disable WOW, set H2C command */
1604 		poidparam.subcode = WOWLAN_DISABLE;
1605 		padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WOWLAN, (u8 *)&poidparam);
1606 
1607 		psta = rtw_get_stainfo(&padapter->stapriv, get_bssid(&padapter->mlmepriv));
1608 		if (psta) {
1609 			set_sta_rate(padapter, psta);
1610 		}
1611 
1612 
1613 		padapter->bDriverStopped = false;
1614 		DBG_871X("%s: wowmode resuming, DriverStopped:%d\n", __func__, padapter->bDriverStopped);
1615 		rtw_start_drv_threads(padapter);
1616 
1617 		if (padapter->intf_start) {
1618 			padapter->intf_start(padapter);
1619 		}
1620 
1621 		/*  start netif queue */
1622 		if (pnetdev) {
1623 			if (!rtw_netif_queue_stopped(pnetdev))
1624 				rtw_netif_start_queue(pnetdev);
1625 			else
1626 				rtw_netif_wake_queue(pnetdev);
1627 		}
1628 	}
1629 	else {
1630 		DBG_871X_LEVEL(_drv_always_, "%s: ### ERROR ### wowlan_mode =%d\n", __func__, pwrpriv->wowlan_mode);
1631 	}
1632 
1633 	if (padapter->pid[1] != 0) {
1634 		DBG_871X("pid[1]:%d\n", padapter->pid[1]);
1635 		rtw_signal_process(padapter->pid[1], SIGUSR2);
1636 	}
1637 
1638 	if (rtw_chk_roam_flags(padapter, RTW_ROAM_ON_RESUME)) {
1639 		if (pwrpriv->wowlan_wake_reason == FWDecisionDisconnect ||
1640 			pwrpriv->wowlan_wake_reason == Rx_DisAssoc ||
1641 			pwrpriv->wowlan_wake_reason == Rx_DeAuth) {
1642 			DBG_871X("%s: disconnect reason: %02x\n", __func__,
1643 						pwrpriv->wowlan_wake_reason);
1644 			rtw_indicate_disconnect(padapter);
1645 
1646 			rtw_sta_media_status_rpt(padapter,
1647 				rtw_get_stainfo(&padapter->stapriv,
1648 					get_bssid(&padapter->mlmepriv)), 0);
1649 
1650 			rtw_free_assoc_resources(padapter, 1);
1651 			pmlmeinfo->state = WIFI_FW_NULL_STATE;
1652 
1653 		} else {
1654 			DBG_871X("%s: do roaming\n", __func__);
1655 			rtw_roaming(padapter, NULL);
1656 		}
1657 	}
1658 
1659 	if (pwrpriv->wowlan_mode == true) {
1660 		pwrpriv->bips_processing = false;
1661 		_set_timer(&padapter->mlmepriv.dynamic_chk_timer, 2000);
1662 	} else {
1663 		DBG_871X_LEVEL(_drv_always_, "do not reset timer\n");
1664 	}
1665 
1666 	pwrpriv->wowlan_mode = false;
1667 
1668 	/* clean driver side wake up reason. */
1669 	pwrpriv->wowlan_wake_reason = 0;
1670 exit:
1671 	DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter));
1672 	return ret;
1673 }
1674 #endif /* ifdef CONFIG_WOWLAN */
1675 
1676 #ifdef CONFIG_AP_WOWLAN
rtw_resume_process_ap_wow(struct adapter * padapter)1677 int rtw_resume_process_ap_wow(struct adapter *padapter)
1678 {
1679 	struct net_device *pnetdev = padapter->pnetdev;
1680 	struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
1681 	struct dvobj_priv *psdpriv = padapter->dvobj;
1682 	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
1683 	struct wowlan_ioctl_param poidparam;
1684 	int ret = _SUCCESS;
1685 
1686 	DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter));
1687 
1688 	if (padapter) {
1689 		pnetdev = padapter->pnetdev;
1690 		pwrpriv = adapter_to_pwrctl(padapter);
1691 	} else {
1692 		pdbgpriv->dbg_resume_error_cnt++;
1693 		ret = -1;
1694 		goto exit;
1695 	}
1696 
1697 	rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0, "AP-WOWLAN");
1698 
1699 	pwrpriv->bFwCurrentInPSMode = false;
1700 
1701 	rtw_hal_disable_interrupt(padapter);
1702 
1703 	if (padapter->HalFunc.clear_interrupt)
1704 		padapter->HalFunc.clear_interrupt(padapter);
1705 
1706 	/* if (sdio_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS) { */
1707 	if ((padapter->intf_alloc_irq) && (padapter->intf_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS)) {
1708 		ret = -1;
1709 		RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s: sdio_alloc_irq Failed!!\n", __func__));
1710 		goto exit;
1711 	}
1712 
1713 	/* Disable WOW, set H2C command */
1714 	poidparam.subcode = WOWLAN_AP_DISABLE;
1715 	padapter->HalFunc.SetHwRegHandler(padapter,
1716 		HW_VAR_AP_WOWLAN, (u8 *)&poidparam);
1717 	pwrpriv->wowlan_ap_mode = false;
1718 
1719 	padapter->bDriverStopped = false;
1720 	DBG_871X("%s: wowmode resuming, DriverStopped:%d\n", __func__, padapter->bDriverStopped);
1721 	rtw_start_drv_threads(padapter);
1722 
1723 	if (padapter->intf_start) {
1724 		padapter->intf_start(padapter);
1725 	}
1726 
1727 	/*  start netif queue */
1728 	if (pnetdev) {
1729 		if (!rtw_netif_queue_stopped(pnetdev))
1730 			rtw_netif_start_queue(pnetdev);
1731 		else
1732 			rtw_netif_wake_queue(pnetdev);
1733 	}
1734 
1735 	if (padapter->pid[1] != 0) {
1736 		DBG_871X("pid[1]:%d\n", padapter->pid[1]);
1737 		rtw_signal_process(padapter->pid[1], SIGUSR2);
1738 	}
1739 
1740 	pwrpriv->bips_processing = false;
1741 	_set_timer(&padapter->mlmepriv.dynamic_chk_timer, 2000);
1742 
1743 	/* clean driver side wake up reason. */
1744 	pwrpriv->wowlan_wake_reason = 0;
1745 exit:
1746 	DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter));
1747 	return ret;
1748 }
1749 #endif /* ifdef CONFIG_APWOWLAN */
1750 
rtw_resume_process_normal(struct adapter * padapter)1751 static int rtw_resume_process_normal(struct adapter *padapter)
1752 {
1753 	struct net_device *pnetdev;
1754 	struct pwrctrl_priv *pwrpriv;
1755 	struct mlme_priv *pmlmepriv;
1756 	struct dvobj_priv *psdpriv;
1757 	struct debug_priv *pdbgpriv;
1758 
1759 	int ret = _SUCCESS;
1760 
1761 	if (!padapter) {
1762 		ret = -1;
1763 		goto exit;
1764 	}
1765 
1766 	pnetdev = padapter->pnetdev;
1767 	pwrpriv = adapter_to_pwrctl(padapter);
1768 	pmlmepriv = &padapter->mlmepriv;
1769 	psdpriv = padapter->dvobj;
1770 	pdbgpriv = &psdpriv->drv_dbg;
1771 
1772 	DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter));
1773 	/*  interface init */
1774 	/* if (sdio_init(adapter_to_dvobj(padapter)) != _SUCCESS) */
1775 	if ((padapter->intf_init) && (padapter->intf_init(adapter_to_dvobj(padapter)) != _SUCCESS)) {
1776 		ret = -1;
1777 		RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s: initialize SDIO Failed!!\n", __func__));
1778 		goto exit;
1779 	}
1780 	rtw_hal_disable_interrupt(padapter);
1781 	/* if (sdio_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS) */
1782 	if ((padapter->intf_alloc_irq) && (padapter->intf_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS)) {
1783 		ret = -1;
1784 		RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s: sdio_alloc_irq Failed!!\n", __func__));
1785 		goto exit;
1786 	}
1787 
1788 	rtw_reset_drv_sw(padapter);
1789 	pwrpriv->bkeepfwalive = false;
1790 
1791 	DBG_871X("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
1792 	if (pm_netdev_open(pnetdev, true) != 0) {
1793 		ret = -1;
1794 		pdbgpriv->dbg_resume_error_cnt++;
1795 		goto exit;
1796 	}
1797 
1798 	netif_device_attach(pnetdev);
1799 	netif_carrier_on(pnetdev);
1800 
1801 	if (padapter->pid[1] != 0) {
1802 		DBG_871X("pid[1]:%d\n", padapter->pid[1]);
1803 		rtw_signal_process(padapter->pid[1], SIGUSR2);
1804 	}
1805 
1806 
1807 	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1808 		DBG_871X(FUNC_ADPT_FMT " fwstate:0x%08x - WIFI_STATION_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv));
1809 
1810 		if (rtw_chk_roam_flags(padapter, RTW_ROAM_ON_RESUME))
1811 			rtw_roaming(padapter, NULL);
1812 
1813 	} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1814 		DBG_871X(FUNC_ADPT_FMT " fwstate:0x%08x - WIFI_AP_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv));
1815 		rtw_ap_restore_network(padapter);
1816 	} else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1817 		DBG_871X(FUNC_ADPT_FMT " fwstate:0x%08x - WIFI_ADHOC_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv));
1818 	} else {
1819 		DBG_871X(FUNC_ADPT_FMT " fwstate:0x%08x - ???\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv));
1820 	}
1821 
1822 	DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter));
1823 
1824 exit:
1825 	return ret;
1826 }
1827 
rtw_resume_common(struct adapter * padapter)1828 int rtw_resume_common(struct adapter *padapter)
1829 {
1830 	int ret = 0;
1831 	unsigned long start_time = jiffies;
1832 	struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
1833 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1834 
1835 	DBG_871X_LEVEL(_drv_always_, "resume start\n");
1836 	DBG_871X("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
1837 
1838 	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1839 	#ifdef CONFIG_WOWLAN
1840 		if (pwrpriv->wowlan_mode == true)
1841 			rtw_resume_process_wow(padapter);
1842 		else
1843 			rtw_resume_process_normal(padapter);
1844 	#else
1845 		rtw_resume_process_normal(padapter);
1846 	#endif
1847 
1848 	} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
1849 	#ifdef CONFIG_AP_WOWLAN
1850 		rtw_resume_process_ap_wow(padapter);
1851 	#else
1852 		rtw_resume_process_normal(padapter);
1853 	#endif /* CONFIG_AP_WOWLAN */
1854 	} else {
1855 		rtw_resume_process_normal(padapter);
1856 	}
1857 
1858 	rtw_btcoex_SuspendNotify(padapter, 0);
1859 
1860 	if (pwrpriv) {
1861 		pwrpriv->bInSuspend = false;
1862 	#ifdef CONFIG_PNO_SUPPORT
1863 		pwrpriv->pno_in_resume = false;
1864 	#endif
1865 	}
1866 	DBG_871X_LEVEL(_drv_always_, "%s:%d in %d ms\n", __func__ , ret,
1867 		jiffies_to_msecs(jiffies - start_time));
1868 
1869 	return ret;
1870 }
1871