1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3  *
4  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5  *
6  ******************************************************************************/
7 #include <drv_types.h>
8 #include <rtw_debug.h>
9 #include <rtw_wifi_regd.h>
10 #include <hal_btcoex.h>
11 #include <linux/kernel.h>
12 #include <asm/unaligned.h>
13 
14 static struct mlme_handler mlme_sta_tbl[] = {
15 	{WIFI_ASSOCREQ,		"OnAssocReq",	&OnAssocReq},
16 	{WIFI_ASSOCRSP,		"OnAssocRsp",	&OnAssocRsp},
17 	{WIFI_REASSOCREQ,	"OnReAssocReq",	&OnAssocReq},
18 	{WIFI_REASSOCRSP,	"OnReAssocRsp",	&OnAssocRsp},
19 	{WIFI_PROBEREQ,		"OnProbeReq",	&OnProbeReq},
20 	{WIFI_PROBERSP,		"OnProbeRsp",		&OnProbeRsp},
21 
22 	/*----------------------------------------------------------
23 					below 2 are reserved
24 	-----------------------------------------------------------*/
25 	{0,					"DoReserved",		&DoReserved},
26 	{0,					"DoReserved",		&DoReserved},
27 	{WIFI_BEACON,		"OnBeacon",		&OnBeacon},
28 	{WIFI_ATIM,			"OnATIM",		&OnAtim},
29 	{WIFI_DISASSOC,		"OnDisassoc",		&OnDisassoc},
30 	{WIFI_AUTH,			"OnAuth",		&OnAuthClient},
31 	{WIFI_DEAUTH,		"OnDeAuth",		&OnDeAuth},
32 	{WIFI_ACTION,		"OnAction",		&OnAction},
33 	{WIFI_ACTION_NOACK, "OnActionNoAck",	&OnAction},
34 };
35 
36 static struct action_handler OnAction_tbl[] = {
37 	{RTW_WLAN_CATEGORY_SPECTRUM_MGMT,	 "ACTION_SPECTRUM_MGMT", on_action_spct},
38 	{RTW_WLAN_CATEGORY_QOS, "ACTION_QOS", &DoReserved},
39 	{RTW_WLAN_CATEGORY_DLS, "ACTION_DLS", &DoReserved},
40 	{RTW_WLAN_CATEGORY_BACK, "ACTION_BACK", &OnAction_back},
41 	{RTW_WLAN_CATEGORY_PUBLIC, "ACTION_PUBLIC", on_action_public},
42 	{RTW_WLAN_CATEGORY_RADIO_MEASUREMENT, "ACTION_RADIO_MEASUREMENT", &DoReserved},
43 	{RTW_WLAN_CATEGORY_FT, "ACTION_FT",	&DoReserved},
44 	{RTW_WLAN_CATEGORY_HT,	"ACTION_HT",	&OnAction_ht},
45 	{RTW_WLAN_CATEGORY_SA_QUERY, "ACTION_SA_QUERY", &OnAction_sa_query},
46 	{RTW_WLAN_CATEGORY_UNPROTECTED_WNM, "ACTION_UNPROTECTED_WNM", &DoReserved},
47 	{RTW_WLAN_CATEGORY_SELF_PROTECTED, "ACTION_SELF_PROTECTED", &DoReserved},
48 	{RTW_WLAN_CATEGORY_WMM, "ACTION_WMM", &DoReserved},
49 	{RTW_WLAN_CATEGORY_P2P, "ACTION_P2P", &DoReserved},
50 };
51 
52 static u8 null_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
53 
54 /**************************************************
55 OUI definitions for the vendor specific IE
56 ***************************************************/
57 unsigned char RTW_WPA_OUI[] = {0x00, 0x50, 0xf2, 0x01};
58 unsigned char WMM_OUI[] = {0x00, 0x50, 0xf2, 0x02};
59 unsigned char WPS_OUI[] = {0x00, 0x50, 0xf2, 0x04};
60 unsigned char P2P_OUI[] = {0x50, 0x6F, 0x9A, 0x09};
61 unsigned char WFD_OUI[] = {0x50, 0x6F, 0x9A, 0x0A};
62 
63 unsigned char WMM_INFO_OUI[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01};
64 unsigned char WMM_PARA_OUI[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
65 
66 static unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
67 
68 /********************************************************
69 ChannelPlan definitions
70 *********************************************************/
71 static struct rt_channel_plan_2g	RTW_ChannelPlan2G[RT_CHANNEL_DOMAIN_2G_MAX] = {
72 	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},		/*  0x00, RT_CHANNEL_DOMAIN_2G_WORLD , Passive scan CH 12, 13 */
73 	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},		/*  0x01, RT_CHANNEL_DOMAIN_2G_ETSI1 */
74 	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},			/*  0x02, RT_CHANNEL_DOMAIN_2G_FCC1 */
75 	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14},	/*  0x03, RT_CHANNEL_DOMAIN_2G_MIKK1 */
76 	{{10, 11, 12, 13}, 4},						/*  0x04, RT_CHANNEL_DOMAIN_2G_ETSI2 */
77 	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14},	/*  0x05, RT_CHANNEL_DOMAIN_2G_GLOBAL , Passive scan CH 12, 13, 14 */
78 	{{}, 0},								/*  0x06, RT_CHANNEL_DOMAIN_2G_NULL */
79 };
80 
81 static struct rt_channel_plan_map	RTW_ChannelPlanMap[RT_CHANNEL_DOMAIN_MAX] = {
82 	/*  0x00 ~ 0x1F , Old Define ===== */
83 	{0x02},	/* 0x00, RT_CHANNEL_DOMAIN_FCC */
84 	{0x02},	/* 0x01, RT_CHANNEL_DOMAIN_IC */
85 	{0x01},	/* 0x02, RT_CHANNEL_DOMAIN_ETSI */
86 	{0x01},	/* 0x03, RT_CHANNEL_DOMAIN_SPAIN */
87 	{0x01},	/* 0x04, RT_CHANNEL_DOMAIN_FRANCE */
88 	{0x03},	/* 0x05, RT_CHANNEL_DOMAIN_MKK */
89 	{0x03},	/* 0x06, RT_CHANNEL_DOMAIN_MKK1 */
90 	{0x01},	/* 0x07, RT_CHANNEL_DOMAIN_ISRAEL */
91 	{0x03},	/* 0x08, RT_CHANNEL_DOMAIN_TELEC */
92 	{0x03},	/* 0x09, RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN */
93 	{0x00},	/* 0x0A, RT_CHANNEL_DOMAIN_WORLD_WIDE_13 */
94 	{0x02},	/* 0x0B, RT_CHANNEL_DOMAIN_TAIWAN */
95 	{0x01},	/* 0x0C, RT_CHANNEL_DOMAIN_CHINA */
96 	{0x02},	/* 0x0D, RT_CHANNEL_DOMAIN_SINGAPORE_INDIA_MEXICO */
97 	{0x02},	/* 0x0E, RT_CHANNEL_DOMAIN_KOREA */
98 	{0x02},	/* 0x0F, RT_CHANNEL_DOMAIN_TURKEY */
99 	{0x01},	/* 0x10, RT_CHANNEL_DOMAIN_JAPAN */
100 	{0x02},	/* 0x11, RT_CHANNEL_DOMAIN_FCC_NO_DFS */
101 	{0x01},	/* 0x12, RT_CHANNEL_DOMAIN_JAPAN_NO_DFS */
102 	{0x00},	/* 0x13, RT_CHANNEL_DOMAIN_WORLD_WIDE_5G */
103 	{0x02},	/* 0x14, RT_CHANNEL_DOMAIN_TAIWAN_NO_DFS */
104 	{0x00},	/* 0x15, RT_CHANNEL_DOMAIN_ETSI_NO_DFS */
105 	{0x00},	/* 0x16, RT_CHANNEL_DOMAIN_KOREA_NO_DFS */
106 	{0x03},	/* 0x17, RT_CHANNEL_DOMAIN_JAPAN_NO_DFS */
107 	{0x06},	/* 0x18, RT_CHANNEL_DOMAIN_PAKISTAN_NO_DFS */
108 	{0x02},	/* 0x19, RT_CHANNEL_DOMAIN_TAIWAN2_NO_DFS */
109 	{0x00},	/* 0x1A, */
110 	{0x00},	/* 0x1B, */
111 	{0x00},	/* 0x1C, */
112 	{0x00},	/* 0x1D, */
113 	{0x00},	/* 0x1E, */
114 	{0x06},	/* 0x1F, RT_CHANNEL_DOMAIN_WORLD_WIDE_ONLY_5G */
115 	/*  0x20 ~ 0x7F , New Define ===== */
116 	{0x00},	/* 0x20, RT_CHANNEL_DOMAIN_WORLD_NULL */
117 	{0x01},	/* 0x21, RT_CHANNEL_DOMAIN_ETSI1_NULL */
118 	{0x02},	/* 0x22, RT_CHANNEL_DOMAIN_FCC1_NULL */
119 	{0x03},	/* 0x23, RT_CHANNEL_DOMAIN_MKK1_NULL */
120 	{0x04},	/* 0x24, RT_CHANNEL_DOMAIN_ETSI2_NULL */
121 	{0x02},	/* 0x25, RT_CHANNEL_DOMAIN_FCC1_FCC1 */
122 	{0x00},	/* 0x26, RT_CHANNEL_DOMAIN_WORLD_ETSI1 */
123 	{0x03},	/* 0x27, RT_CHANNEL_DOMAIN_MKK1_MKK1 */
124 	{0x00},	/* 0x28, RT_CHANNEL_DOMAIN_WORLD_KCC1 */
125 	{0x00},	/* 0x29, RT_CHANNEL_DOMAIN_WORLD_FCC2 */
126 	{0x00},	/* 0x2A, */
127 	{0x00},	/* 0x2B, */
128 	{0x00},	/* 0x2C, */
129 	{0x00},	/* 0x2D, */
130 	{0x00},	/* 0x2E, */
131 	{0x00},	/* 0x2F, */
132 	{0x00},	/* 0x30, RT_CHANNEL_DOMAIN_WORLD_FCC3 */
133 	{0x00},	/* 0x31, RT_CHANNEL_DOMAIN_WORLD_FCC4 */
134 	{0x00},	/* 0x32, RT_CHANNEL_DOMAIN_WORLD_FCC5 */
135 	{0x00},	/* 0x33, RT_CHANNEL_DOMAIN_WORLD_FCC6 */
136 	{0x02},	/* 0x34, RT_CHANNEL_DOMAIN_FCC1_FCC7 */
137 	{0x00},	/* 0x35, RT_CHANNEL_DOMAIN_WORLD_ETSI2 */
138 	{0x00},	/* 0x36, RT_CHANNEL_DOMAIN_WORLD_ETSI3 */
139 	{0x03},	/* 0x37, RT_CHANNEL_DOMAIN_MKK1_MKK2 */
140 	{0x03},	/* 0x38, RT_CHANNEL_DOMAIN_MKK1_MKK3 */
141 	{0x02},	/* 0x39, RT_CHANNEL_DOMAIN_FCC1_NCC1 */
142 	{0x00},	/* 0x3A, */
143 	{0x00},	/* 0x3B, */
144 	{0x00},	/* 0x3C, */
145 	{0x00},	/* 0x3D, */
146 	{0x00},	/* 0x3E, */
147 	{0x00},	/* 0x3F, */
148 	{0x02},	/* 0x40, RT_CHANNEL_DOMAIN_FCC1_NCC2 */
149 	{0x05},	/* 0x41, RT_CHANNEL_DOMAIN_GLOBAL_NULL */
150 	{0x01},	/* 0x42, RT_CHANNEL_DOMAIN_ETSI1_ETSI4 */
151 	{0x02},	/* 0x43, RT_CHANNEL_DOMAIN_FCC1_FCC2 */
152 	{0x02},	/* 0x44, RT_CHANNEL_DOMAIN_FCC1_NCC3 */
153 	{0x00},	/* 0x45, RT_CHANNEL_DOMAIN_WORLD_ETSI5 */
154 	{0x02},	/* 0x46, RT_CHANNEL_DOMAIN_FCC1_FCC8 */
155 	{0x00},	/* 0x47, RT_CHANNEL_DOMAIN_WORLD_ETSI6 */
156 	{0x00},	/* 0x48, RT_CHANNEL_DOMAIN_WORLD_ETSI7 */
157 	{0x00},	/* 0x49, RT_CHANNEL_DOMAIN_WORLD_ETSI8 */
158 	{0x00},	/* 0x50, RT_CHANNEL_DOMAIN_WORLD_ETSI9 */
159 	{0x00},	/* 0x51, RT_CHANNEL_DOMAIN_WORLD_ETSI10 */
160 	{0x00},	/* 0x52, RT_CHANNEL_DOMAIN_WORLD_ETSI11 */
161 	{0x02},	/* 0x53, RT_CHANNEL_DOMAIN_FCC1_NCC4 */
162 	{0x00},	/* 0x54, RT_CHANNEL_DOMAIN_WORLD_ETSI12 */
163 	{0x02},	/* 0x55, RT_CHANNEL_DOMAIN_FCC1_FCC9 */
164 	{0x00},	/* 0x56, RT_CHANNEL_DOMAIN_WORLD_ETSI13 */
165 	{0x02},	/* 0x57, RT_CHANNEL_DOMAIN_FCC1_FCC10 */
166 };
167 
168  /* use the combination for max channel numbers */
169 static struct rt_channel_plan_map RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE = {0x03};
170 
171 /* Search the @param ch in given @param ch_set
172  * @ch_set: the given channel set
173  * @ch: the given channel number
174  *
175  * return the index of channel_num in channel_set, -1 if not found
176  */
rtw_ch_set_search_ch(struct rt_channel_info * ch_set,const u32 ch)177 int rtw_ch_set_search_ch(struct rt_channel_info *ch_set, const u32 ch)
178 {
179 	int i;
180 
181 	for (i = 0; ch_set[i].ChannelNum != 0; i++) {
182 		if (ch == ch_set[i].ChannelNum)
183 			break;
184 	}
185 
186 	if (i >= ch_set[i].ChannelNum)
187 		return -1;
188 	return i;
189 }
190 
191 /****************************************************************************
192 
193 Following are the initialization functions for WiFi MLME
194 
195 *****************************************************************************/
196 
init_hw_mlme_ext(struct adapter * padapter)197 int init_hw_mlme_ext(struct adapter *padapter)
198 {
199 	struct	mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
200 
201 	set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
202 	return _SUCCESS;
203 }
204 
init_mlme_default_rate_set(struct adapter * padapter)205 void init_mlme_default_rate_set(struct adapter *padapter)
206 {
207 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
208 
209 	unsigned char mixed_datarate[NumRates] = {_1M_RATE_, _2M_RATE_, _5M_RATE_, _11M_RATE_, _6M_RATE_, _9M_RATE_, _12M_RATE_, _18M_RATE_, _24M_RATE_, _36M_RATE_, _48M_RATE_, _54M_RATE_, 0xff};
210 	unsigned char mixed_basicrate[NumRates] = {_1M_RATE_, _2M_RATE_, _5M_RATE_, _11M_RATE_, _6M_RATE_, _12M_RATE_, _24M_RATE_, 0xff,};
211 	unsigned char supported_mcs_set[16] = {0xff, 0xff, 0x00, 0x00, 0x01, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
212 
213 	memcpy(pmlmeext->datarate, mixed_datarate, NumRates);
214 	memcpy(pmlmeext->basicrate, mixed_basicrate, NumRates);
215 
216 	memcpy(pmlmeext->default_supported_mcs_set, supported_mcs_set, sizeof(pmlmeext->default_supported_mcs_set));
217 }
218 
init_mlme_ext_priv_value(struct adapter * padapter)219 static void init_mlme_ext_priv_value(struct adapter *padapter)
220 {
221 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
222 	struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
223 
224 	atomic_set(&pmlmeext->event_seq, 0);
225 	pmlmeext->mgnt_seq = 0;/* reset to zero when disconnect at client mode */
226 	pmlmeext->sa_query_seq = 0;
227 	pmlmeext->mgnt_80211w_IPN = 0;
228 	pmlmeext->mgnt_80211w_IPN_rx = 0;
229 	pmlmeext->cur_channel = padapter->registrypriv.channel;
230 	pmlmeext->cur_bwmode = CHANNEL_WIDTH_20;
231 	pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
232 
233 	pmlmeext->retry = 0;
234 
235 	pmlmeext->cur_wireless_mode = padapter->registrypriv.wireless_mode;
236 
237 	init_mlme_default_rate_set(padapter);
238 
239 	pmlmeext->tx_rate = IEEE80211_CCK_RATE_1MB;
240 	pmlmeext->sitesurvey_res.state = SCAN_DISABLE;
241 	pmlmeext->sitesurvey_res.channel_idx = 0;
242 	pmlmeext->sitesurvey_res.bss_cnt = 0;
243 	pmlmeext->scan_abort = false;
244 
245 	pmlmeinfo->state = WIFI_FW_NULL_STATE;
246 	pmlmeinfo->reauth_count = 0;
247 	pmlmeinfo->reassoc_count = 0;
248 	pmlmeinfo->link_count = 0;
249 	pmlmeinfo->auth_seq = 0;
250 	pmlmeinfo->auth_algo = dot11AuthAlgrthm_Open;
251 	pmlmeinfo->key_index = 0;
252 	pmlmeinfo->iv = 0;
253 
254 	pmlmeinfo->enc_algo = _NO_PRIVACY_;
255 	pmlmeinfo->authModeToggle = 0;
256 
257 	memset(pmlmeinfo->chg_txt, 0, 128);
258 
259 	pmlmeinfo->slotTime = SHORT_SLOT_TIME;
260 	pmlmeinfo->preamble_mode = PREAMBLE_AUTO;
261 
262 	pmlmeinfo->dialogToken = 0;
263 
264 	pmlmeext->action_public_rxseq = 0xffff;
265 	pmlmeext->action_public_dialog_token = 0xff;
266 }
267 
has_channel(struct rt_channel_info * channel_set,u8 chanset_size,u8 chan)268 static int has_channel(struct rt_channel_info *channel_set,
269 					   u8 chanset_size,
270 					   u8 chan)
271 {
272 	int i;
273 
274 	for (i = 0; i < chanset_size; i++)
275 		if (channel_set[i].ChannelNum == chan)
276 			return 1;
277 
278 	return 0;
279 }
280 
init_channel_list(struct adapter * padapter,struct rt_channel_info * channel_set,u8 chanset_size,struct p2p_channels * channel_list)281 static void init_channel_list(struct adapter *padapter, struct rt_channel_info *channel_set,
282 							  u8 chanset_size,
283 							  struct p2p_channels *channel_list)
284 {
285 
286 	static const struct p2p_oper_class_map op_class[] = {
287 		{ IEEE80211G,  81,   1,  13,  1, BW20 },
288 		{ IEEE80211G,  82,  14,  14,  1, BW20 },
289 		{ IEEE80211A, 115,  36,  48,  4, BW20 },
290 		{ IEEE80211A, 116,  36,  44,  8, BW40PLUS },
291 		{ IEEE80211A, 117,  40,  48,  8, BW40MINUS },
292 		{ IEEE80211A, 124, 149, 161,  4, BW20 },
293 		{ IEEE80211A, 125, 149, 169,  4, BW20 },
294 		{ IEEE80211A, 126, 149, 157,  8, BW40PLUS },
295 		{ IEEE80211A, 127, 153, 161,  8, BW40MINUS },
296 		{ -1, 0, 0, 0, 0, BW20 }
297 	};
298 
299 	int cla, op;
300 
301 	cla = 0;
302 
303 	for (op = 0; op_class[op].op_class; op++) {
304 		u8 ch;
305 		const struct p2p_oper_class_map *o = &op_class[op];
306 		struct p2p_reg_class *reg = NULL;
307 
308 		for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
309 			if (!has_channel(channel_set, chanset_size, ch))
310 				continue;
311 
312 			if ((padapter->registrypriv.ht_enable == 0) && (o->inc == 8))
313 				continue;
314 
315 			if ((0 < (padapter->registrypriv.bw_mode & 0xf0)) &&
316 				((o->bw == BW40MINUS) || (o->bw == BW40PLUS)))
317 				continue;
318 
319 			if (!reg) {
320 				reg = &channel_list->reg_class[cla];
321 				cla++;
322 				reg->reg_class = o->op_class;
323 				reg->channels = 0;
324 			}
325 			reg->channel[reg->channels] = ch;
326 			reg->channels++;
327 		}
328 	}
329 	channel_list->reg_classes = cla;
330 
331 }
332 
init_channel_set(struct adapter * padapter,u8 ChannelPlan,struct rt_channel_info * channel_set)333 static u8 init_channel_set(struct adapter *padapter, u8 ChannelPlan, struct rt_channel_info *channel_set)
334 {
335 	u8 index, chanset_size = 0;
336 	u8 b2_4GBand = false;
337 	u8 Index2G = 0;
338 
339 	memset(channel_set, 0, sizeof(struct rt_channel_info)*MAX_CHANNEL_NUM);
340 
341 	if (ChannelPlan >= RT_CHANNEL_DOMAIN_MAX && ChannelPlan != RT_CHANNEL_DOMAIN_REALTEK_DEFINE)
342 		return chanset_size;
343 
344 	if (is_supported_24g(padapter->registrypriv.wireless_mode)) {
345 		b2_4GBand = true;
346 		if (ChannelPlan == RT_CHANNEL_DOMAIN_REALTEK_DEFINE)
347 			Index2G = RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE.Index2G;
348 		else
349 			Index2G = RTW_ChannelPlanMap[ChannelPlan].Index2G;
350 	}
351 
352 	if (b2_4GBand) {
353 		for (index = 0; index < RTW_ChannelPlan2G[Index2G].Len; index++) {
354 			channel_set[chanset_size].ChannelNum = RTW_ChannelPlan2G[Index2G].Channel[index];
355 
356 			if ((ChannelPlan == RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN) ||/* Channel 1~11 is active, and 12~14 is passive */
357 				(ChannelPlan == RT_CHANNEL_DOMAIN_GLOBAL_NULL)) {
358 				if (channel_set[chanset_size].ChannelNum >= 1 && channel_set[chanset_size].ChannelNum <= 11)
359 					channel_set[chanset_size].ScanType = SCAN_ACTIVE;
360 				else if ((channel_set[chanset_size].ChannelNum  >= 12 && channel_set[chanset_size].ChannelNum  <= 14))
361 					channel_set[chanset_size].ScanType  = SCAN_PASSIVE;
362 			} else if (ChannelPlan == RT_CHANNEL_DOMAIN_WORLD_WIDE_13 ||
363 				 Index2G == RT_CHANNEL_DOMAIN_2G_WORLD) { /*  channel 12~13, passive scan */
364 				if (channel_set[chanset_size].ChannelNum <= 11)
365 					channel_set[chanset_size].ScanType = SCAN_ACTIVE;
366 				else
367 					channel_set[chanset_size].ScanType = SCAN_PASSIVE;
368 			} else
369 				channel_set[chanset_size].ScanType = SCAN_ACTIVE;
370 
371 			chanset_size++;
372 		}
373 	}
374 
375 	return chanset_size;
376 }
377 
init_mlme_ext_priv(struct adapter * padapter)378 void init_mlme_ext_priv(struct adapter *padapter)
379 {
380 	struct registry_priv *pregistrypriv = &padapter->registrypriv;
381 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
382 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
383 	struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
384 
385 	pmlmeext->padapter = padapter;
386 
387 	/* fill_fwpriv(padapter, &(pmlmeext->fwpriv)); */
388 
389 	init_mlme_ext_priv_value(padapter);
390 	pmlmeinfo->accept_addba_req = pregistrypriv->accept_addba_req;
391 
392 	init_mlme_ext_timer(padapter);
393 
394 	init_mlme_ap_info(padapter);
395 
396 	pmlmeext->max_chan_nums = init_channel_set(padapter, pmlmepriv->ChannelPlan, pmlmeext->channel_set);
397 	init_channel_list(padapter, pmlmeext->channel_set, pmlmeext->max_chan_nums, &pmlmeext->channel_list);
398 	pmlmeext->last_scan_time = 0;
399 	pmlmeext->chan_scan_time = SURVEY_TO;
400 	pmlmeext->mlmeext_init = true;
401 	pmlmeext->active_keep_alive_check = true;
402 
403 #ifdef DBG_FIXED_CHAN
404 	pmlmeext->fixed_chan = 0xFF;
405 #endif
406 }
407 
free_mlme_ext_priv(struct mlme_ext_priv * pmlmeext)408 void free_mlme_ext_priv(struct mlme_ext_priv *pmlmeext)
409 {
410 	struct adapter *padapter = pmlmeext->padapter;
411 
412 	if (!padapter)
413 		return;
414 
415 	if (padapter->bDriverStopped) {
416 		del_timer_sync(&pmlmeext->survey_timer);
417 		del_timer_sync(&pmlmeext->link_timer);
418 		/* del_timer_sync(&pmlmeext->ADDBA_timer); */
419 	}
420 }
421 
_mgt_dispatcher(struct adapter * padapter,struct mlme_handler * ptable,union recv_frame * precv_frame)422 static void _mgt_dispatcher(struct adapter *padapter, struct mlme_handler *ptable, union recv_frame *precv_frame)
423 {
424 	u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
425 	u8 *pframe = precv_frame->u.hdr.rx_data;
426 
427 	if (ptable->func) {
428 		/* receive the frames that ra(a1) is my address or ra(a1) is bc address. */
429 		if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) &&
430 		    memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN))
431 			return;
432 
433 		ptable->func(padapter, precv_frame);
434 	}
435 }
436 
mgt_dispatcher(struct adapter * padapter,union recv_frame * precv_frame)437 void mgt_dispatcher(struct adapter *padapter, union recv_frame *precv_frame)
438 {
439 	int index;
440 	struct mlme_handler *ptable;
441 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
442 	u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
443 	u8 *pframe = precv_frame->u.hdr.rx_data;
444 	struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, GetAddr2Ptr(pframe));
445 	struct dvobj_priv *psdpriv = padapter->dvobj;
446 	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
447 
448 	if (GetFrameType(pframe) != WIFI_MGT_TYPE)
449 		return;
450 
451 	/* receive the frames that ra(a1) is my address or ra(a1) is bc address. */
452 	if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) &&
453 		memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN)) {
454 		return;
455 	}
456 
457 	ptable = mlme_sta_tbl;
458 
459 	index = GetFrameSubType(pframe) >> 4;
460 
461 	if (index >= ARRAY_SIZE(mlme_sta_tbl))
462 		return;
463 
464 	ptable += index;
465 
466 	if (psta) {
467 		if (GetRetry(pframe)) {
468 			if (precv_frame->u.hdr.attrib.seq_num == psta->RxMgmtFrameSeqNum) {
469 				/* drop the duplicate management frame */
470 				pdbgpriv->dbg_rx_dup_mgt_frame_drop_count++;
471 				return;
472 			}
473 		}
474 		psta->RxMgmtFrameSeqNum = precv_frame->u.hdr.attrib.seq_num;
475 	}
476 
477 	switch (GetFrameSubType(pframe)) {
478 	case WIFI_AUTH:
479 		if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
480 			ptable->func = &OnAuth;
481 		else
482 			ptable->func = &OnAuthClient;
483 		fallthrough;
484 	case WIFI_ASSOCREQ:
485 	case WIFI_REASSOCREQ:
486 		_mgt_dispatcher(padapter, ptable, precv_frame);
487 		break;
488 	case WIFI_PROBEREQ:
489 		_mgt_dispatcher(padapter, ptable, precv_frame);
490 		break;
491 	case WIFI_BEACON:
492 		_mgt_dispatcher(padapter, ptable, precv_frame);
493 		break;
494 	case WIFI_ACTION:
495 		/* if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) */
496 		_mgt_dispatcher(padapter, ptable, precv_frame);
497 		break;
498 	default:
499 		_mgt_dispatcher(padapter, ptable, precv_frame);
500 		break;
501 	}
502 }
503 
504 /****************************************************************************
505 
506 Following are the callback functions for each subtype of the management frames
507 
508 *****************************************************************************/
509 
OnProbeReq(struct adapter * padapter,union recv_frame * precv_frame)510 unsigned int OnProbeReq(struct adapter *padapter, union recv_frame *precv_frame)
511 {
512 	unsigned int	ielen;
513 	unsigned char *p;
514 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
515 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
516 	struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
517 	struct wlan_bssid_ex	*cur = &pmlmeinfo->network;
518 	u8 *pframe = precv_frame->u.hdr.rx_data;
519 	uint len = precv_frame->u.hdr.len;
520 	u8 is_valid_p2p_probereq = false;
521 
522 	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
523 		return _SUCCESS;
524 
525 	if (check_fwstate(pmlmepriv, _FW_LINKED) == false &&
526 		check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE) == false) {
527 		return _SUCCESS;
528 	}
529 
530 	p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, WLAN_EID_SSID, (int *)&ielen,
531 			len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_);
532 
533 
534 	/* check (wildcard) SSID */
535 	if (p) {
536 		if (is_valid_p2p_probereq)
537 			goto _issue_probersp;
538 
539 		if ((ielen != 0 && false == !memcmp((void *)(p+2), (void *)cur->ssid.ssid, cur->ssid.ssid_length))
540 			|| (ielen == 0 && pmlmeinfo->hidden_ssid_mode)
541 		)
542 			return _SUCCESS;
543 
544 _issue_probersp:
545 		if ((check_fwstate(pmlmepriv, _FW_LINKED) &&
546 		     pmlmepriv->cur_network.join_res) ||
547 		    check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE))
548 			issue_probersp(padapter, get_sa(pframe), is_valid_p2p_probereq);
549 	}
550 
551 	return _SUCCESS;
552 
553 }
554 
OnProbeRsp(struct adapter * padapter,union recv_frame * precv_frame)555 unsigned int OnProbeRsp(struct adapter *padapter, union recv_frame *precv_frame)
556 {
557 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
558 
559 	if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
560 		report_survey_event(padapter, precv_frame);
561 		return _SUCCESS;
562 	}
563 
564 	return _SUCCESS;
565 
566 }
567 
OnBeacon(struct adapter * padapter,union recv_frame * precv_frame)568 unsigned int OnBeacon(struct adapter *padapter, union recv_frame *precv_frame)
569 {
570 	int cam_idx;
571 	struct sta_info *psta;
572 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
573 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
574 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
575 	struct sta_priv *pstapriv = &padapter->stapriv;
576 	u8 *pframe = precv_frame->u.hdr.rx_data;
577 	uint len = precv_frame->u.hdr.len;
578 	struct wlan_bssid_ex *pbss;
579 	int ret = _SUCCESS;
580 	u8 *p = NULL;
581 	u32 ielen = 0;
582 
583 	p = rtw_get_ie(pframe + sizeof(struct ieee80211_hdr_3addr) + _BEACON_IE_OFFSET_, WLAN_EID_EXT_SUPP_RATES, &ielen, precv_frame->u.hdr.len - sizeof(struct ieee80211_hdr_3addr) - _BEACON_IE_OFFSET_);
584 	if (p && ielen > 0) {
585 		if ((*(p + 1 + ielen) == 0x2D) && (*(p + 2 + ielen) != 0x2D))
586 			/* Invalid value 0x2D is detected in Extended Supported Rates (ESR) IE. Try to fix the IE length to avoid failed Beacon parsing. */
587 			*(p + 1) = ielen - 1;
588 	}
589 
590 	if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
591 		report_survey_event(padapter, precv_frame);
592 		return _SUCCESS;
593 	}
594 
595 	if (!memcmp(GetAddr3Ptr(pframe), get_my_bssid(&pmlmeinfo->network), ETH_ALEN)) {
596 		if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) {
597 			/* we should update current network before auth, or some IE is wrong */
598 			pbss = rtw_malloc(sizeof(struct wlan_bssid_ex));
599 			if (pbss) {
600 				if (collect_bss_info(padapter, precv_frame, pbss) == _SUCCESS) {
601 					update_network(&(pmlmepriv->cur_network.network), pbss, padapter, true);
602 					rtw_get_bcn_info(&(pmlmepriv->cur_network));
603 				}
604 				kfree(pbss);
605 			}
606 
607 			/* check the vendor of the assoc AP */
608 			pmlmeinfo->assoc_AP_vendor = check_assoc_AP(pframe+sizeof(struct ieee80211_hdr_3addr), len-sizeof(struct ieee80211_hdr_3addr));
609 
610 			/* update TSF Value */
611 			update_TSF(pmlmeext, pframe, len);
612 
613 			/* reset for adaptive_early_32k */
614 			pmlmeext->adaptive_tsf_done = false;
615 			pmlmeext->DrvBcnEarly = 0xff;
616 			pmlmeext->DrvBcnTimeOut = 0xff;
617 			pmlmeext->bcn_cnt = 0;
618 			memset(pmlmeext->bcn_delay_cnt, 0, sizeof(pmlmeext->bcn_delay_cnt));
619 			memset(pmlmeext->bcn_delay_ratio, 0, sizeof(pmlmeext->bcn_delay_ratio));
620 
621 			/* start auth */
622 			start_clnt_auth(padapter);
623 
624 			return _SUCCESS;
625 		}
626 
627 		if (((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) && (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
628 			psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
629 			if (psta) {
630 				ret = rtw_check_bcn_info(padapter, pframe, len);
631 				if (!ret) {
632 					netdev_dbg(padapter->pnetdev,
633 						   "ap has changed, disconnect now\n ");
634 					receive_disconnect(padapter,
635 							   pmlmeinfo->network.mac_address, 0);
636 					return _SUCCESS;
637 				}
638 				/* update WMM, ERP in the beacon */
639 				/* todo: the timer is used instead of the number of the beacon received */
640 				if ((sta_rx_pkts(psta) & 0xf) == 0)
641 					update_beacon_info(padapter, pframe, len, psta);
642 
643 				adaptive_early_32k(pmlmeext, pframe, len);
644 			}
645 		} else if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) {
646 			psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
647 			if (psta) {
648 				/* update WMM, ERP in the beacon */
649 				/* todo: the timer is used instead of the number of the beacon received */
650 				if ((sta_rx_pkts(psta) & 0xf) == 0)
651 					update_beacon_info(padapter, pframe, len, psta);
652 			} else {
653 				/* allocate a new CAM entry for IBSS station */
654 				cam_idx = allocate_fw_sta_entry(padapter);
655 				if (cam_idx == NUM_STA)
656 					goto _END_ONBEACON_;
657 
658 				/* get supported rate */
659 				if (update_sta_support_rate(padapter, (pframe + WLAN_HDR_A3_LEN + _BEACON_IE_OFFSET_), (len - WLAN_HDR_A3_LEN - _BEACON_IE_OFFSET_), cam_idx) == _FAIL) {
660 					pmlmeinfo->FW_sta_info[cam_idx].status = 0;
661 					goto _END_ONBEACON_;
662 				}
663 
664 				/* update TSF Value */
665 				update_TSF(pmlmeext, pframe, len);
666 
667 				/* report sta add event */
668 				report_add_sta_event(padapter, GetAddr2Ptr(pframe), cam_idx);
669 			}
670 		}
671 	}
672 
673 _END_ONBEACON_:
674 
675 	return _SUCCESS;
676 
677 }
678 
OnAuth(struct adapter * padapter,union recv_frame * precv_frame)679 unsigned int OnAuth(struct adapter *padapter, union recv_frame *precv_frame)
680 {
681 	unsigned int	auth_mode, seq, ie_len;
682 	unsigned char *sa, *p;
683 	u16 algorithm;
684 	int	status;
685 	static struct sta_info stat;
686 	struct	sta_info *pstat = NULL;
687 	struct	sta_priv *pstapriv = &padapter->stapriv;
688 	struct security_priv *psecuritypriv = &padapter->securitypriv;
689 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
690 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
691 	u8 *pframe = precv_frame->u.hdr.rx_data;
692 	uint len = precv_frame->u.hdr.len;
693 	u8 offset = 0;
694 
695 	if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
696 		return _FAIL;
697 
698 	sa = GetAddr2Ptr(pframe);
699 
700 	auth_mode = psecuritypriv->dot11AuthAlgrthm;
701 
702 	if (GetPrivacy(pframe)) {
703 		u8 *iv;
704 		struct rx_pkt_attrib	 *prxattrib = &(precv_frame->u.hdr.attrib);
705 
706 		prxattrib->hdrlen = WLAN_HDR_A3_LEN;
707 		prxattrib->encrypt = _WEP40_;
708 
709 		iv = pframe+prxattrib->hdrlen;
710 		prxattrib->key_index = ((iv[3]>>6)&0x3);
711 
712 		prxattrib->iv_len = 4;
713 		prxattrib->icv_len = 4;
714 
715 		rtw_wep_decrypt(padapter, (u8 *)precv_frame);
716 
717 		offset = 4;
718 	}
719 
720 	algorithm = le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset));
721 	seq	= le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset + 2));
722 
723 	if (auth_mode == 2 &&
724 			psecuritypriv->dot11PrivacyAlgrthm != _WEP40_ &&
725 			psecuritypriv->dot11PrivacyAlgrthm != _WEP104_)
726 		auth_mode = 0;
727 
728 	if ((algorithm > 0 && auth_mode == 0) ||	/*  rx a shared-key auth but shared not enabled */
729 		(algorithm == 0 && auth_mode == 1)) {	/*  rx a open-system auth but shared-key is enabled */
730 
731 		status = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
732 
733 		goto auth_fail;
734 	}
735 
736 	if (rtw_access_ctrl(padapter, sa) == false) {
737 		status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
738 		goto auth_fail;
739 	}
740 
741 	pstat = rtw_get_stainfo(pstapriv, sa);
742 	if (!pstat) {
743 
744 		/*  allocate a new one */
745 		pstat = rtw_alloc_stainfo(pstapriv, sa);
746 		if (!pstat) {
747 			status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
748 			goto auth_fail;
749 		}
750 
751 		pstat->state = WIFI_FW_AUTH_NULL;
752 		pstat->auth_seq = 0;
753 
754 		/* pstat->flags = 0; */
755 		/* pstat->capability = 0; */
756 	} else {
757 
758 		spin_lock_bh(&pstapriv->asoc_list_lock);
759 		if (list_empty(&pstat->asoc_list) == false) {
760 			list_del_init(&pstat->asoc_list);
761 			pstapriv->asoc_list_cnt--;
762 			if (pstat->expire_to > 0) {
763 				/* TODO: STA re_auth within expire_to */
764 			}
765 		}
766 		spin_unlock_bh(&pstapriv->asoc_list_lock);
767 
768 		if (seq == 1) {
769 			/* TODO: STA re_auth and auth timeout */
770 		}
771 	}
772 
773 	spin_lock_bh(&pstapriv->auth_list_lock);
774 	if (list_empty(&pstat->auth_list)) {
775 
776 		list_add_tail(&pstat->auth_list, &pstapriv->auth_list);
777 		pstapriv->auth_list_cnt++;
778 	}
779 	spin_unlock_bh(&pstapriv->auth_list_lock);
780 
781 	if (pstat->auth_seq == 0)
782 		pstat->expire_to = pstapriv->auth_to;
783 
784 
785 	if ((pstat->auth_seq + 1) != seq) {
786 		status = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
787 		goto auth_fail;
788 	}
789 
790 	if (algorithm == 0 && (auth_mode == 0 || auth_mode == 2 || auth_mode == 3)) {
791 		if (seq == 1) {
792 			pstat->state &= ~WIFI_FW_AUTH_NULL;
793 			pstat->state |= WIFI_FW_AUTH_SUCCESS;
794 			pstat->expire_to = pstapriv->assoc_to;
795 			pstat->authalg = algorithm;
796 		} else {
797 			status = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
798 			goto auth_fail;
799 		}
800 	} else { /*  shared system or auto authentication */
801 		if (seq == 1) {
802 			/* prepare for the challenging txt... */
803 			memset((void *)pstat->chg_txt, 78, 128);
804 
805 			pstat->state &= ~WIFI_FW_AUTH_NULL;
806 			pstat->state |= WIFI_FW_AUTH_STATE;
807 			pstat->authalg = algorithm;
808 		} else if (seq == 3) {
809 
810 			p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + 4 + _AUTH_IE_OFFSET_, WLAN_EID_CHALLENGE, (int *)&ie_len,
811 					len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_ - 4);
812 
813 			if (!p || ie_len <= 0) {
814 				status = WLAN_STATUS_CHALLENGE_FAIL;
815 				goto auth_fail;
816 			}
817 
818 			if (!memcmp((void *)(p + 2), pstat->chg_txt, 128)) {
819 				pstat->state &= (~WIFI_FW_AUTH_STATE);
820 				pstat->state |= WIFI_FW_AUTH_SUCCESS;
821 				/*  challenging txt is correct... */
822 				pstat->expire_to =  pstapriv->assoc_to;
823 			} else {
824 				status = WLAN_STATUS_CHALLENGE_FAIL;
825 				goto auth_fail;
826 			}
827 		} else {
828 			status = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
829 			goto auth_fail;
830 		}
831 	}
832 
833 
834 	/*  Now, we are going to issue_auth... */
835 	pstat->auth_seq = seq + 1;
836 
837 	issue_auth(padapter, pstat, (unsigned short)(WLAN_STATUS_SUCCESS));
838 
839 	if (pstat->state & WIFI_FW_AUTH_SUCCESS)
840 		pstat->auth_seq = 0;
841 
842 
843 	return _SUCCESS;
844 
845 auth_fail:
846 
847 	if (pstat)
848 		rtw_free_stainfo(padapter, pstat);
849 
850 	pstat = &stat;
851 	memset((char *)pstat, '\0', sizeof(stat));
852 	pstat->auth_seq = 2;
853 	memcpy(pstat->hwaddr, sa, 6);
854 
855 	issue_auth(padapter, pstat, (unsigned short)status);
856 
857 	return _FAIL;
858 
859 }
860 
OnAuthClient(struct adapter * padapter,union recv_frame * precv_frame)861 unsigned int OnAuthClient(struct adapter *padapter, union recv_frame *precv_frame)
862 {
863 	unsigned int	seq, len, status, offset;
864 	unsigned char *p;
865 	unsigned int	go2asoc = 0;
866 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
867 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
868 	u8 *pframe = precv_frame->u.hdr.rx_data;
869 	uint pkt_len = precv_frame->u.hdr.len;
870 
871 	/* check A1 matches or not */
872 	if (memcmp(myid(&(padapter->eeprompriv)), get_da(pframe), ETH_ALEN))
873 		return _SUCCESS;
874 
875 	if (!(pmlmeinfo->state & WIFI_FW_AUTH_STATE))
876 		return _SUCCESS;
877 
878 	offset = (GetPrivacy(pframe)) ? 4 : 0;
879 
880 	seq	= le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset + 2));
881 	status	= le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset + 4));
882 
883 	if (status != 0) {
884 		if (status == 13) { /*  pmlmeinfo->auth_algo == dot11AuthAlgrthm_Auto) */
885 			if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared)
886 				pmlmeinfo->auth_algo = dot11AuthAlgrthm_Open;
887 			else
888 				pmlmeinfo->auth_algo = dot11AuthAlgrthm_Shared;
889 			/* pmlmeinfo->reauth_count = 0; */
890 		}
891 
892 		set_link_timer(pmlmeext, 1);
893 		goto authclnt_fail;
894 	}
895 
896 	if (seq == 2) {
897 		if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) {
898 			 /*  legendary shared system */
899 			p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _AUTH_IE_OFFSET_, WLAN_EID_CHALLENGE, (int *)&len,
900 				pkt_len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_);
901 
902 			if (!p)
903 				goto authclnt_fail;
904 
905 			memcpy((void *)(pmlmeinfo->chg_txt), (void *)(p + 2), len);
906 			pmlmeinfo->auth_seq = 3;
907 			issue_auth(padapter, NULL, 0);
908 			set_link_timer(pmlmeext, REAUTH_TO);
909 
910 			return _SUCCESS;
911 		}
912 		/* open system */
913 		go2asoc = 1;
914 	} else if (seq == 4) {
915 		if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared)
916 			go2asoc = 1;
917 		else
918 			goto authclnt_fail;
919 	} else {
920 		/*  this is also illegal */
921 		goto authclnt_fail;
922 	}
923 
924 	if (go2asoc) {
925 		netdev_dbg(padapter->pnetdev, "auth success, start assoc\n");
926 		start_clnt_assoc(padapter);
927 		return _SUCCESS;
928 	}
929 
930 authclnt_fail:
931 
932 	/* pmlmeinfo->state &= ~(WIFI_FW_AUTH_STATE); */
933 
934 	return _FAIL;
935 
936 }
937 
OnAssocReq(struct adapter * padapter,union recv_frame * precv_frame)938 unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame)
939 {
940 	u16 capab_info;
941 	struct rtw_ieee802_11_elems elems;
942 	struct sta_info *pstat;
943 	unsigned char 	*p, *pos, *wpa_ie;
944 	unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01};
945 	int		i, ie_len, wpa_ie_len, left;
946 	unsigned char 	supportRate[16];
947 	int					supportRateNum;
948 	unsigned short		status = WLAN_STATUS_SUCCESS;
949 	unsigned short		frame_type, ie_offset = 0;
950 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
951 	struct security_priv *psecuritypriv = &padapter->securitypriv;
952 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
953 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
954 	struct wlan_bssid_ex	*cur = &(pmlmeinfo->network);
955 	struct sta_priv *pstapriv = &padapter->stapriv;
956 	u8 *pframe = precv_frame->u.hdr.rx_data;
957 	uint pkt_len = precv_frame->u.hdr.len;
958 
959 	if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
960 		return _FAIL;
961 
962 	frame_type = GetFrameSubType(pframe);
963 	if (frame_type == WIFI_ASSOCREQ)
964 		ie_offset = _ASOCREQ_IE_OFFSET_;
965 	else /*  WIFI_REASSOCREQ */
966 		ie_offset = _REASOCREQ_IE_OFFSET_;
967 
968 
969 	if (pkt_len < sizeof(struct ieee80211_hdr_3addr) + ie_offset)
970 		return _FAIL;
971 
972 	pstat = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
973 	if (!pstat) {
974 		status = WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA;
975 		goto asoc_class2_error;
976 	}
977 
978 	capab_info = get_unaligned_le16(pframe + WLAN_HDR_A3_LEN);
979 	/* capab_info = le16_to_cpu(*(unsigned short *)(pframe + WLAN_HDR_A3_LEN)); */
980 
981 	left = pkt_len - (sizeof(struct ieee80211_hdr_3addr) + ie_offset);
982 	pos = pframe + (sizeof(struct ieee80211_hdr_3addr) + ie_offset);
983 
984 	/*  check if this stat has been successfully authenticated/assocated */
985 	if (!((pstat->state) & WIFI_FW_AUTH_SUCCESS)) {
986 		if (!((pstat->state) & WIFI_FW_ASSOC_SUCCESS)) {
987 			status = WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA;
988 			goto asoc_class2_error;
989 		} else {
990 			pstat->state &= (~WIFI_FW_ASSOC_SUCCESS);
991 			pstat->state |= WIFI_FW_ASSOC_STATE;
992 		}
993 	} else {
994 		pstat->state &= (~WIFI_FW_AUTH_SUCCESS);
995 		pstat->state |= WIFI_FW_ASSOC_STATE;
996 	}
997 
998 
999 	pstat->capability = capab_info;
1000 
1001 	/* now parse all ieee802_11 ie to point to elems */
1002 	if (rtw_ieee802_11_parse_elems(pos, left, &elems, 1) == ParseFailed ||
1003 	    !elems.ssid) {
1004 		status = WLAN_STATUS_CHALLENGE_FAIL;
1005 		goto OnAssocReqFail;
1006 	}
1007 
1008 	/*  now we should check all the fields... */
1009 	/*  checking SSID */
1010 	p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, WLAN_EID_SSID, &ie_len,
1011 		pkt_len - WLAN_HDR_A3_LEN - ie_offset);
1012 
1013 	if (!p || ie_len == 0) {
1014 		/*  broadcast ssid, however it is not allowed in assocreq */
1015 		status = WLAN_STATUS_CHALLENGE_FAIL;
1016 		goto OnAssocReqFail;
1017 	} else {
1018 		/*  check if ssid match */
1019 		if (memcmp((void *)(p+2), cur->ssid.ssid, cur->ssid.ssid_length))
1020 			status = WLAN_STATUS_CHALLENGE_FAIL;
1021 
1022 		if (ie_len != cur->ssid.ssid_length)
1023 			status = WLAN_STATUS_CHALLENGE_FAIL;
1024 	}
1025 
1026 	if (status != WLAN_STATUS_SUCCESS)
1027 		goto OnAssocReqFail;
1028 
1029 	/*  check if the supported rate is ok */
1030 	p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, WLAN_EID_SUPP_RATES, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset);
1031 	if (!p) {
1032 		/*  use our own rate set as statoin used */
1033 		/* memcpy(supportRate, AP_BSSRATE, AP_BSSRATE_LEN); */
1034 		/* supportRateNum = AP_BSSRATE_LEN; */
1035 
1036 		status = WLAN_STATUS_CHALLENGE_FAIL;
1037 		goto OnAssocReqFail;
1038 	} else {
1039 		memcpy(supportRate, p+2, ie_len);
1040 		supportRateNum = ie_len;
1041 
1042 		p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, WLAN_EID_EXT_SUPP_RATES, &ie_len,
1043 				pkt_len - WLAN_HDR_A3_LEN - ie_offset);
1044 		if (p) {
1045 
1046 			if (supportRateNum <= sizeof(supportRate)) {
1047 				memcpy(supportRate+supportRateNum, p+2, ie_len);
1048 				supportRateNum += ie_len;
1049 			}
1050 		}
1051 	}
1052 
1053 	/* todo: mask supportRate between AP & STA -> move to update raid */
1054 	/* get_matched_rate(pmlmeext, supportRate, &supportRateNum, 0); */
1055 
1056 	/* update station supportRate */
1057 	pstat->bssratelen = supportRateNum;
1058 	memcpy(pstat->bssrateset, supportRate, supportRateNum);
1059 	UpdateBrateTblForSoftAP(pstat->bssrateset, pstat->bssratelen);
1060 
1061 	/* check RSN/WPA/WPS */
1062 	pstat->dot8021xalg = 0;
1063 	pstat->wpa_psk = 0;
1064 	pstat->wpa_group_cipher = 0;
1065 	pstat->wpa2_group_cipher = 0;
1066 	pstat->wpa_pairwise_cipher = 0;
1067 	pstat->wpa2_pairwise_cipher = 0;
1068 	memset(pstat->wpa_ie, 0, sizeof(pstat->wpa_ie));
1069 	if ((psecuritypriv->wpa_psk & BIT(1)) && elems.rsn_ie) {
1070 
1071 		int group_cipher = 0, pairwise_cipher = 0;
1072 
1073 		wpa_ie = elems.rsn_ie;
1074 		wpa_ie_len = elems.rsn_ie_len;
1075 
1076 		if (rtw_parse_wpa2_ie(wpa_ie-2, wpa_ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1077 			pstat->dot8021xalg = 1;/* psk,  todo:802.1x */
1078 			pstat->wpa_psk |= BIT(1);
1079 
1080 			pstat->wpa2_group_cipher = group_cipher&psecuritypriv->wpa2_group_cipher;
1081 			pstat->wpa2_pairwise_cipher = pairwise_cipher&psecuritypriv->wpa2_pairwise_cipher;
1082 
1083 			if (!pstat->wpa2_group_cipher)
1084 				status = WLAN_STATUS_INVALID_GROUP_CIPHER;
1085 
1086 			if (!pstat->wpa2_pairwise_cipher)
1087 				status = WLAN_STATUS_INVALID_PAIRWISE_CIPHER;
1088 		} else {
1089 			status = WLAN_STATUS_INVALID_IE;
1090 		}
1091 
1092 	} else if ((psecuritypriv->wpa_psk & BIT(0)) && elems.wpa_ie) {
1093 
1094 		int group_cipher = 0, pairwise_cipher = 0;
1095 
1096 		wpa_ie = elems.wpa_ie;
1097 		wpa_ie_len = elems.wpa_ie_len;
1098 
1099 		if (rtw_parse_wpa_ie(wpa_ie-2, wpa_ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1100 			pstat->dot8021xalg = 1;/* psk,  todo:802.1x */
1101 			pstat->wpa_psk |= BIT(0);
1102 
1103 			pstat->wpa_group_cipher = group_cipher&psecuritypriv->wpa_group_cipher;
1104 			pstat->wpa_pairwise_cipher = pairwise_cipher&psecuritypriv->wpa_pairwise_cipher;
1105 
1106 			if (!pstat->wpa_group_cipher)
1107 				status = WLAN_STATUS_INVALID_GROUP_CIPHER;
1108 
1109 			if (!pstat->wpa_pairwise_cipher)
1110 				status = WLAN_STATUS_INVALID_PAIRWISE_CIPHER;
1111 
1112 		} else {
1113 			status = WLAN_STATUS_INVALID_IE;
1114 		}
1115 
1116 	} else {
1117 		wpa_ie = NULL;
1118 		wpa_ie_len = 0;
1119 	}
1120 
1121 	if (status != WLAN_STATUS_SUCCESS)
1122 		goto OnAssocReqFail;
1123 
1124 	pstat->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
1125 	if (!wpa_ie) {
1126 		if (elems.wps_ie) {
1127 			pstat->flags |= WLAN_STA_WPS;
1128 			/* wpabuf_free(sta->wps_ie); */
1129 			/* sta->wps_ie = wpabuf_alloc_copy(elems.wps_ie + 4, */
1130 			/* 				elems.wps_ie_len - 4); */
1131 		} else {
1132 			pstat->flags |= WLAN_STA_MAYBE_WPS;
1133 		}
1134 
1135 
1136 		/*  AP support WPA/RSN, and sta is going to do WPS, but AP is not ready */
1137 		/*  that the selected registrar of AP is _FLASE */
1138 		if ((psecuritypriv->wpa_psk > 0)
1139 			&& (pstat->flags & (WLAN_STA_WPS|WLAN_STA_MAYBE_WPS))) {
1140 			if (pmlmepriv->wps_beacon_ie) {
1141 				u8 selected_registrar = 0;
1142 
1143 				rtw_get_wps_attr_content(pmlmepriv->wps_beacon_ie, pmlmepriv->wps_beacon_ie_len, WPS_ATTR_SELECTED_REGISTRAR, &selected_registrar, NULL);
1144 
1145 				if (!selected_registrar) {
1146 					status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1147 
1148 					goto OnAssocReqFail;
1149 				}
1150 			}
1151 		}
1152 
1153 	} else {
1154 		int copy_len;
1155 
1156 		if (psecuritypriv->wpa_psk == 0) {
1157 			status = WLAN_STATUS_INVALID_IE;
1158 
1159 			goto OnAssocReqFail;
1160 
1161 		}
1162 
1163 		if (elems.wps_ie) {
1164 			pstat->flags |= WLAN_STA_WPS;
1165 			copy_len = 0;
1166 		} else {
1167 			copy_len = ((wpa_ie_len+2) > sizeof(pstat->wpa_ie)) ? (sizeof(pstat->wpa_ie)):(wpa_ie_len+2);
1168 		}
1169 
1170 
1171 		if (copy_len > 0)
1172 			memcpy(pstat->wpa_ie, wpa_ie-2, copy_len);
1173 
1174 	}
1175 
1176 
1177 	/*  check if there is WMM IE & support WWM-PS */
1178 	pstat->flags &= ~WLAN_STA_WME;
1179 	pstat->qos_option = 0;
1180 	pstat->qos_info = 0;
1181 	pstat->has_legacy_ac = true;
1182 	pstat->uapsd_vo = 0;
1183 	pstat->uapsd_vi = 0;
1184 	pstat->uapsd_be = 0;
1185 	pstat->uapsd_bk = 0;
1186 	if (pmlmepriv->qospriv.qos_option) {
1187 		p = pframe + WLAN_HDR_A3_LEN + ie_offset; ie_len = 0;
1188 		for (;;) {
1189 			p = rtw_get_ie(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset);
1190 			if (p) {
1191 				if (!memcmp(p+2, WMM_IE, 6)) {
1192 
1193 					pstat->flags |= WLAN_STA_WME;
1194 
1195 					pstat->qos_option = 1;
1196 					pstat->qos_info = *(p+8);
1197 
1198 					pstat->max_sp_len = (pstat->qos_info>>5)&0x3;
1199 
1200 					if ((pstat->qos_info&0xf) != 0xf)
1201 						pstat->has_legacy_ac = true;
1202 					else
1203 						pstat->has_legacy_ac = false;
1204 
1205 					if (pstat->qos_info&0xf) {
1206 						if (pstat->qos_info&BIT(0))
1207 							pstat->uapsd_vo = BIT(0)|BIT(1);
1208 						else
1209 							pstat->uapsd_vo = 0;
1210 
1211 						if (pstat->qos_info&BIT(1))
1212 							pstat->uapsd_vi = BIT(0)|BIT(1);
1213 						else
1214 							pstat->uapsd_vi = 0;
1215 
1216 						if (pstat->qos_info&BIT(2))
1217 							pstat->uapsd_bk = BIT(0)|BIT(1);
1218 						else
1219 							pstat->uapsd_bk = 0;
1220 
1221 						if (pstat->qos_info&BIT(3))
1222 							pstat->uapsd_be = BIT(0)|BIT(1);
1223 						else
1224 							pstat->uapsd_be = 0;
1225 
1226 					}
1227 
1228 					break;
1229 				}
1230 			} else {
1231 				break;
1232 			}
1233 			p = p + ie_len + 2;
1234 		}
1235 	}
1236 
1237 	/* save HT capabilities in the sta object */
1238 	memset(&pstat->htpriv.ht_cap, 0, sizeof(struct ieee80211_ht_cap));
1239 	if (elems.ht_capabilities && elems.ht_capabilities_len >= sizeof(struct ieee80211_ht_cap)) {
1240 		pstat->flags |= WLAN_STA_HT;
1241 
1242 		pstat->flags |= WLAN_STA_WME;
1243 
1244 		memcpy(&pstat->htpriv.ht_cap, elems.ht_capabilities, sizeof(struct ieee80211_ht_cap));
1245 
1246 	} else
1247 		pstat->flags &= ~WLAN_STA_HT;
1248 
1249 
1250 	if ((pmlmepriv->htpriv.ht_option == false) && (pstat->flags&WLAN_STA_HT)) {
1251 		status = WLAN_STATUS_CHALLENGE_FAIL;
1252 		goto OnAssocReqFail;
1253 	}
1254 
1255 
1256 	if ((pstat->flags & WLAN_STA_HT) &&
1257 		    ((pstat->wpa2_pairwise_cipher&WPA_CIPHER_TKIP) ||
1258 		      (pstat->wpa_pairwise_cipher&WPA_CIPHER_TKIP))) {
1259 		/* status = WLAN_STATUS_CIPHER_SUITE_REJECTED; */
1260 		/* goto OnAssocReqFail; */
1261 	}
1262 	pstat->flags |= WLAN_STA_NONERP;
1263 	for (i = 0; i < pstat->bssratelen; i++) {
1264 		if ((pstat->bssrateset[i] & 0x7f) > 22) {
1265 			pstat->flags &= ~WLAN_STA_NONERP;
1266 			break;
1267 		}
1268 	}
1269 
1270 	if (pstat->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
1271 		pstat->flags |= WLAN_STA_SHORT_PREAMBLE;
1272 	else
1273 		pstat->flags &= ~WLAN_STA_SHORT_PREAMBLE;
1274 
1275 
1276 
1277 	if (status != WLAN_STATUS_SUCCESS)
1278 		goto OnAssocReqFail;
1279 
1280 	/* TODO: identify_proprietary_vendor_ie(); */
1281 	/*  Realtek proprietary IE */
1282 	/*  identify if this is Broadcom sta */
1283 	/*  identify if this is ralink sta */
1284 	/*  Customer proprietary IE */
1285 
1286 
1287 
1288 	/* get a unique AID */
1289 	if (pstat->aid == 0) {
1290 		for (pstat->aid = 1; pstat->aid <= NUM_STA; pstat->aid++)
1291 			if (!pstapriv->sta_aid[pstat->aid - 1])
1292 				break;
1293 
1294 		/* if (pstat->aid > NUM_STA) { */
1295 		if (pstat->aid > pstapriv->max_num_sta) {
1296 
1297 			pstat->aid = 0;
1298 
1299 			status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1300 
1301 			goto OnAssocReqFail;
1302 
1303 
1304 		} else {
1305 			pstapriv->sta_aid[pstat->aid - 1] = pstat;
1306 		}
1307 	}
1308 
1309 
1310 	pstat->state &= (~WIFI_FW_ASSOC_STATE);
1311 	pstat->state |= WIFI_FW_ASSOC_SUCCESS;
1312 
1313 	spin_lock_bh(&pstapriv->auth_list_lock);
1314 	if (!list_empty(&pstat->auth_list)) {
1315 		list_del_init(&pstat->auth_list);
1316 		pstapriv->auth_list_cnt--;
1317 	}
1318 	spin_unlock_bh(&pstapriv->auth_list_lock);
1319 
1320 	spin_lock_bh(&pstapriv->asoc_list_lock);
1321 	if (list_empty(&pstat->asoc_list)) {
1322 		pstat->expire_to = pstapriv->expire_to;
1323 		list_add_tail(&pstat->asoc_list, &pstapriv->asoc_list);
1324 		pstapriv->asoc_list_cnt++;
1325 	}
1326 	spin_unlock_bh(&pstapriv->asoc_list_lock);
1327 
1328 	/*  now the station is qualified to join our BSS... */
1329 	if (pstat && (pstat->state & WIFI_FW_ASSOC_SUCCESS) && (status == WLAN_STATUS_SUCCESS)) {
1330 		/* 1 bss_cap_update & sta_info_update */
1331 		bss_cap_update_on_sta_join(padapter, pstat);
1332 		sta_info_update(padapter, pstat);
1333 
1334 		/* 2 issue assoc rsp before notify station join event. */
1335 		if (frame_type == WIFI_ASSOCREQ)
1336 			issue_asocrsp(padapter, status, pstat, WIFI_ASSOCRSP);
1337 		else
1338 			issue_asocrsp(padapter, status, pstat, WIFI_REASSOCRSP);
1339 
1340 		spin_lock_bh(&pstat->lock);
1341 		kfree(pstat->passoc_req);
1342 		pstat->assoc_req_len = 0;
1343 		pstat->passoc_req =  rtw_zmalloc(pkt_len);
1344 		if (pstat->passoc_req) {
1345 			memcpy(pstat->passoc_req, pframe, pkt_len);
1346 			pstat->assoc_req_len = pkt_len;
1347 		}
1348 		spin_unlock_bh(&pstat->lock);
1349 
1350 		/* 3-(1) report sta add event */
1351 		report_add_sta_event(padapter, pstat->hwaddr, pstat->aid);
1352 	}
1353 
1354 	return _SUCCESS;
1355 
1356 asoc_class2_error:
1357 
1358 	issue_deauth(padapter, (void *)GetAddr2Ptr(pframe), status);
1359 
1360 	return _FAIL;
1361 
1362 OnAssocReqFail:
1363 
1364 	pstat->aid = 0;
1365 	if (frame_type == WIFI_ASSOCREQ)
1366 		issue_asocrsp(padapter, status, pstat, WIFI_ASSOCRSP);
1367 	else
1368 		issue_asocrsp(padapter, status, pstat, WIFI_REASSOCRSP);
1369 
1370 	return _FAIL;
1371 }
1372 
OnAssocRsp(struct adapter * padapter,union recv_frame * precv_frame)1373 unsigned int OnAssocRsp(struct adapter *padapter, union recv_frame *precv_frame)
1374 {
1375 	uint i;
1376 	int res;
1377 	unsigned short	status;
1378 	struct ndis_80211_var_ie *pIE;
1379 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1380 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1381 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1382 	/* struct wlan_bssid_ex			*cur_network = &(pmlmeinfo->network); */
1383 	u8 *pframe = precv_frame->u.hdr.rx_data;
1384 	uint pkt_len = precv_frame->u.hdr.len;
1385 
1386 	/* check A1 matches or not */
1387 	if (memcmp(myid(&(padapter->eeprompriv)), get_da(pframe), ETH_ALEN))
1388 		return _SUCCESS;
1389 
1390 	if (!(pmlmeinfo->state & (WIFI_FW_AUTH_SUCCESS | WIFI_FW_ASSOC_STATE)))
1391 		return _SUCCESS;
1392 
1393 	if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)
1394 		return _SUCCESS;
1395 
1396 	del_timer_sync(&pmlmeext->link_timer);
1397 
1398 	/* status */
1399 	status = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + 2));
1400 	if (status > 0) {
1401 		pmlmeinfo->state = WIFI_FW_NULL_STATE;
1402 		res = -4;
1403 		goto report_assoc_result;
1404 	}
1405 
1406 	/* get capabilities */
1407 	pmlmeinfo->capability = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN));
1408 
1409 	/* set slot time */
1410 	pmlmeinfo->slotTime = (pmlmeinfo->capability & BIT(10)) ? 9 : 20;
1411 
1412 	/* AID */
1413 	res = pmlmeinfo->aid = (int)(le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + 4))&0x3fff);
1414 
1415 	/* following are moved to join event callback function */
1416 	/* to handle HT, WMM, rate adaptive, update MAC reg */
1417 	/* for not to handle the synchronous IO in the tasklet */
1418 	for (i = (6 + WLAN_HDR_A3_LEN); i < pkt_len;) {
1419 		pIE = (struct ndis_80211_var_ie *)(pframe + i);
1420 
1421 		switch (pIE->element_id) {
1422 		case WLAN_EID_VENDOR_SPECIFIC:
1423 			if (!memcmp(pIE->data, WMM_PARA_OUI, 6))	/* WMM */
1424 				WMM_param_handler(padapter, pIE);
1425 			break;
1426 
1427 		case WLAN_EID_HT_CAPABILITY:	/* HT caps */
1428 			HT_caps_handler(padapter, pIE);
1429 			break;
1430 
1431 		case WLAN_EID_HT_OPERATION:	/* HT info */
1432 			HT_info_handler(padapter, pIE);
1433 			break;
1434 
1435 		case WLAN_EID_ERP_INFO:
1436 			ERP_IE_handler(padapter, pIE);
1437 			break;
1438 
1439 		default:
1440 			break;
1441 		}
1442 
1443 		i += (pIE->length + 2);
1444 	}
1445 
1446 	pmlmeinfo->state &= (~WIFI_FW_ASSOC_STATE);
1447 	pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS;
1448 
1449 	/* Update Basic Rate Table for spec, 2010-12-28 , by thomas */
1450 	UpdateBrateTbl(padapter, pmlmeinfo->network.supported_rates);
1451 
1452 report_assoc_result:
1453 	if (res > 0)
1454 		rtw_buf_update(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len, pframe, pkt_len);
1455 	else
1456 		rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
1457 
1458 	report_join_res(padapter, res);
1459 
1460 	return _SUCCESS;
1461 }
1462 
OnDeAuth(struct adapter * padapter,union recv_frame * precv_frame)1463 unsigned int OnDeAuth(struct adapter *padapter, union recv_frame *precv_frame)
1464 {
1465 	unsigned short	reason;
1466 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1467 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1468 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1469 	u8 *pframe = precv_frame->u.hdr.rx_data;
1470 	int ignore_received_deauth = 0;
1471 
1472 	/* check A3 */
1473 	if (memcmp(GetAddr3Ptr(pframe), get_my_bssid(&pmlmeinfo->network), ETH_ALEN))
1474 		return _SUCCESS;
1475 
1476 	reason = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN));
1477 
1478 	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1479 		struct sta_info *psta;
1480 		struct sta_priv *pstapriv = &padapter->stapriv;
1481 
1482 		/* rtw_free_stainfo(padapter, psta); */
1483 
1484 		netdev_dbg(padapter->pnetdev,
1485 			   "ap recv deauth reason code(%d) sta:%pM\n", reason,
1486 			   GetAddr2Ptr(pframe));
1487 
1488 		psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
1489 		if (psta) {
1490 			u8 updated = false;
1491 
1492 			spin_lock_bh(&pstapriv->asoc_list_lock);
1493 			if (list_empty(&psta->asoc_list) == false) {
1494 				list_del_init(&psta->asoc_list);
1495 				pstapriv->asoc_list_cnt--;
1496 				updated = ap_free_sta(padapter, psta, false, reason);
1497 
1498 			}
1499 			spin_unlock_bh(&pstapriv->asoc_list_lock);
1500 
1501 			associated_clients_update(padapter, updated);
1502 		}
1503 
1504 
1505 		return _SUCCESS;
1506 	}
1507 
1508 	/* 	Commented by Albert 20130604 */
1509 	/* 	Before sending the auth frame to start the STA/GC mode connection with AP/GO, */
1510 	/* 	we will send the deauth first. */
1511 	/* 	However, the Win8.1 with BRCM Wi-Fi will send the deauth with reason code 6 to us after receieving our deauth. */
1512 	/* 	Added the following code to avoid this case. */
1513 	if ((pmlmeinfo->state & WIFI_FW_AUTH_STATE) ||
1514 	    (pmlmeinfo->state & WIFI_FW_ASSOC_STATE)) {
1515 		if (reason == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA) {
1516 			ignore_received_deauth = 1;
1517 		} else if (reason == WLAN_REASON_PREV_AUTH_NOT_VALID) {
1518 			/*  TODO: 802.11r */
1519 			ignore_received_deauth = 1;
1520 		}
1521 	}
1522 
1523 	netdev_dbg(padapter->pnetdev,
1524 		   "sta recv deauth reason code(%d) sta:%pM, ignore = %d\n",
1525 		   reason, GetAddr3Ptr(pframe),
1526 		   ignore_received_deauth);
1527 
1528 	if (ignore_received_deauth == 0)
1529 		receive_disconnect(padapter, GetAddr3Ptr(pframe), reason);
1530 
1531 	pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
1532 	return _SUCCESS;
1533 }
1534 
OnDisassoc(struct adapter * padapter,union recv_frame * precv_frame)1535 unsigned int OnDisassoc(struct adapter *padapter, union recv_frame *precv_frame)
1536 {
1537 	unsigned short	reason;
1538 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1539 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1540 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1541 	u8 *pframe = precv_frame->u.hdr.rx_data;
1542 
1543 	/* check A3 */
1544 	if (memcmp(GetAddr3Ptr(pframe), get_my_bssid(&pmlmeinfo->network), ETH_ALEN))
1545 		return _SUCCESS;
1546 
1547 	reason = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN));
1548 
1549 	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1550 		struct sta_info *psta;
1551 		struct sta_priv *pstapriv = &padapter->stapriv;
1552 
1553 		/* rtw_free_stainfo(padapter, psta); */
1554 
1555 		netdev_dbg(padapter->pnetdev,
1556 			   "ap recv disassoc reason code(%d) sta:%pM\n",
1557 			   reason, GetAddr2Ptr(pframe));
1558 
1559 		psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
1560 		if (psta) {
1561 			u8 updated = false;
1562 
1563 			spin_lock_bh(&pstapriv->asoc_list_lock);
1564 			if (list_empty(&psta->asoc_list) == false) {
1565 				list_del_init(&psta->asoc_list);
1566 				pstapriv->asoc_list_cnt--;
1567 				updated = ap_free_sta(padapter, psta, false, reason);
1568 
1569 			}
1570 			spin_unlock_bh(&pstapriv->asoc_list_lock);
1571 
1572 			associated_clients_update(padapter, updated);
1573 		}
1574 
1575 		return _SUCCESS;
1576 	}
1577 	netdev_dbg(padapter->pnetdev,
1578 		   "sta recv disassoc reason code(%d) sta:%pM\n",
1579 		   reason, GetAddr3Ptr(pframe));
1580 
1581 	receive_disconnect(padapter, GetAddr3Ptr(pframe), reason);
1582 
1583 	pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
1584 	return _SUCCESS;
1585 
1586 }
1587 
OnAtim(struct adapter * padapter,union recv_frame * precv_frame)1588 unsigned int OnAtim(struct adapter *padapter, union recv_frame *precv_frame)
1589 {
1590 	return _SUCCESS;
1591 }
1592 
on_action_spct(struct adapter * padapter,union recv_frame * precv_frame)1593 unsigned int on_action_spct(struct adapter *padapter, union recv_frame *precv_frame)
1594 {
1595 	struct sta_info *psta = NULL;
1596 	struct sta_priv *pstapriv = &padapter->stapriv;
1597 	u8 *pframe = precv_frame->u.hdr.rx_data;
1598 	u8 *frame_body = (u8 *)(pframe + sizeof(struct ieee80211_hdr_3addr));
1599 	u8 category;
1600 	u8 action;
1601 
1602 	psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
1603 
1604 	if (!psta)
1605 		goto exit;
1606 
1607 	category = frame_body[0];
1608 	if (category != RTW_WLAN_CATEGORY_SPECTRUM_MGMT)
1609 		goto exit;
1610 
1611 	action = frame_body[1];
1612 	switch (action) {
1613 	case WLAN_ACTION_SPCT_MSR_REQ:
1614 	case WLAN_ACTION_SPCT_MSR_RPRT:
1615 	case WLAN_ACTION_SPCT_TPC_REQ:
1616 	case WLAN_ACTION_SPCT_TPC_RPRT:
1617 	case WLAN_ACTION_SPCT_CHL_SWITCH:
1618 		break;
1619 	default:
1620 		break;
1621 	}
1622 
1623 exit:
1624 	return _FAIL;
1625 }
1626 
OnAction_back(struct adapter * padapter,union recv_frame * precv_frame)1627 unsigned int OnAction_back(struct adapter *padapter, union recv_frame *precv_frame)
1628 {
1629 	u8 *addr;
1630 	struct sta_info *psta = NULL;
1631 	struct recv_reorder_ctrl *preorder_ctrl;
1632 	unsigned char 	*frame_body;
1633 	unsigned char 	category, action;
1634 	unsigned short	tid, status;
1635 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1636 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1637 	u8 *pframe = precv_frame->u.hdr.rx_data;
1638 	struct sta_priv *pstapriv = &padapter->stapriv;
1639 
1640 	/* check RA matches or not */
1641 	if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe), ETH_ALEN))/* for if1, sta/ap mode */
1642 		return _SUCCESS;
1643 
1644 	if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
1645 		if (!(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS))
1646 			return _SUCCESS;
1647 
1648 	addr = GetAddr2Ptr(pframe);
1649 	psta = rtw_get_stainfo(pstapriv, addr);
1650 
1651 	if (!psta)
1652 		return _SUCCESS;
1653 
1654 	frame_body = (unsigned char *)(pframe + sizeof(struct ieee80211_hdr_3addr));
1655 
1656 	category = frame_body[0];
1657 	if (category == RTW_WLAN_CATEGORY_BACK) {/*  representing Block Ack */
1658 		if (!pmlmeinfo->HT_enable)
1659 			return _SUCCESS;
1660 
1661 		action = frame_body[1];
1662 		switch (action) {
1663 		case WLAN_ACTION_ADDBA_REQ: /* ADDBA request */
1664 
1665 			memcpy(&(pmlmeinfo->ADDBA_req), &(frame_body[2]), sizeof(struct ADDBA_request));
1666 			/* process_addba_req(padapter, (u8 *)&(pmlmeinfo->ADDBA_req), GetAddr3Ptr(pframe)); */
1667 			process_addba_req(padapter, (u8 *)&(pmlmeinfo->ADDBA_req), addr);
1668 
1669 			if (pmlmeinfo->accept_addba_req)
1670 				issue_action_BA(padapter, addr, WLAN_ACTION_ADDBA_RESP, 0);
1671 			else
1672 				issue_action_BA(padapter, addr, WLAN_ACTION_ADDBA_RESP, 37);/* reject ADDBA Req */
1673 
1674 			break;
1675 
1676 		case WLAN_ACTION_ADDBA_RESP: /* ADDBA response */
1677 			status = get_unaligned_le16(&frame_body[3]);
1678 			tid = ((frame_body[5] >> 2) & 0x7);
1679 
1680 			if (status == 0) {
1681 				/* successful */
1682 				psta->htpriv.agg_enable_bitmap |= BIT(tid);
1683 				psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
1684 			} else {
1685 				psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
1686 			}
1687 
1688 			if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
1689 				psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
1690 				psta->expire_to = pstapriv->expire_to;
1691 				psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
1692 			}
1693 
1694 			break;
1695 
1696 		case WLAN_ACTION_DELBA: /* DELBA */
1697 			if ((frame_body[3] & BIT(3)) == 0) {
1698 				psta->htpriv.agg_enable_bitmap &=
1699 					~BIT((frame_body[3] >> 4) & 0xf);
1700 				psta->htpriv.candidate_tid_bitmap &=
1701 					~BIT((frame_body[3] >> 4) & 0xf);
1702 			} else if ((frame_body[3] & BIT(3)) == BIT(3)) {
1703 				tid = (frame_body[3] >> 4) & 0x0F;
1704 
1705 				preorder_ctrl =  &psta->recvreorder_ctrl[tid];
1706 				preorder_ctrl->enable = false;
1707 				preorder_ctrl->indicate_seq = 0xffff;
1708 			}
1709 			/* todo: how to notify the host while receiving DELETE BA */
1710 			break;
1711 
1712 		default:
1713 			break;
1714 		}
1715 	}
1716 	return _SUCCESS;
1717 }
1718 
rtw_action_public_decache(union recv_frame * recv_frame,s32 token)1719 static s32 rtw_action_public_decache(union recv_frame *recv_frame, s32 token)
1720 {
1721 	struct adapter *adapter = recv_frame->u.hdr.adapter;
1722 	struct mlme_ext_priv *mlmeext = &(adapter->mlmeextpriv);
1723 	u8 *frame = recv_frame->u.hdr.rx_data;
1724 	u16 seq_ctrl = ((recv_frame->u.hdr.attrib.seq_num&0xffff) << 4) |
1725 		(recv_frame->u.hdr.attrib.frag_num & 0xf);
1726 
1727 	if (GetRetry(frame)) {
1728 		if (token >= 0) {
1729 			if ((seq_ctrl == mlmeext->action_public_rxseq)
1730 				&& (token == mlmeext->action_public_dialog_token))
1731 				return _FAIL;
1732 		} else {
1733 			if (seq_ctrl == mlmeext->action_public_rxseq)
1734 				return _FAIL;
1735 		}
1736 	}
1737 
1738 	mlmeext->action_public_rxseq = seq_ctrl;
1739 
1740 	if (token >= 0)
1741 		mlmeext->action_public_dialog_token = token;
1742 
1743 	return _SUCCESS;
1744 }
1745 
on_action_public_p2p(union recv_frame * precv_frame)1746 static unsigned int on_action_public_p2p(union recv_frame *precv_frame)
1747 {
1748 	u8 *pframe = precv_frame->u.hdr.rx_data;
1749 	u8 *frame_body;
1750 	u8 dialogToken = 0;
1751 
1752 	frame_body = (unsigned char *)(pframe + sizeof(struct ieee80211_hdr_3addr));
1753 
1754 	dialogToken = frame_body[7];
1755 
1756 	if (rtw_action_public_decache(precv_frame, dialogToken) == _FAIL)
1757 		return _FAIL;
1758 
1759 	return _SUCCESS;
1760 }
1761 
on_action_public_vendor(union recv_frame * precv_frame)1762 static unsigned int on_action_public_vendor(union recv_frame *precv_frame)
1763 {
1764 	unsigned int ret = _FAIL;
1765 	u8 *pframe = precv_frame->u.hdr.rx_data;
1766 	u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
1767 
1768 	if (!memcmp(frame_body + 2, P2P_OUI, 4))
1769 		ret = on_action_public_p2p(precv_frame);
1770 
1771 	return ret;
1772 }
1773 
on_action_public_default(union recv_frame * precv_frame,u8 action)1774 static unsigned int on_action_public_default(union recv_frame *precv_frame, u8 action)
1775 {
1776 	unsigned int ret = _FAIL;
1777 	u8 *pframe = precv_frame->u.hdr.rx_data;
1778 	uint frame_len = precv_frame->u.hdr.len;
1779 	u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
1780 	u8 token;
1781 	struct adapter *adapter = precv_frame->u.hdr.adapter;
1782 	char msg[64];
1783 
1784 	token = frame_body[2];
1785 
1786 	if (rtw_action_public_decache(precv_frame, token) == _FAIL)
1787 		goto exit;
1788 
1789 	scnprintf(msg, sizeof(msg), "%s(token:%u)", action_public_str(action), token);
1790 	rtw_cfg80211_rx_action(adapter, pframe, frame_len, msg);
1791 
1792 	ret = _SUCCESS;
1793 
1794 exit:
1795 	return ret;
1796 }
1797 
on_action_public(struct adapter * padapter,union recv_frame * precv_frame)1798 unsigned int on_action_public(struct adapter *padapter, union recv_frame *precv_frame)
1799 {
1800 	unsigned int ret = _FAIL;
1801 	u8 *pframe = precv_frame->u.hdr.rx_data;
1802 	u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
1803 	u8 category, action;
1804 
1805 	/* check RA matches or not */
1806 	if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe), ETH_ALEN))
1807 		goto exit;
1808 
1809 	category = frame_body[0];
1810 	if (category != RTW_WLAN_CATEGORY_PUBLIC)
1811 		goto exit;
1812 
1813 	action = frame_body[1];
1814 	switch (action) {
1815 	case ACT_PUBLIC_VENDOR:
1816 		ret = on_action_public_vendor(precv_frame);
1817 		break;
1818 	default:
1819 		ret = on_action_public_default(precv_frame, action);
1820 		break;
1821 	}
1822 
1823 exit:
1824 	return ret;
1825 }
1826 
OnAction_ht(struct adapter * padapter,union recv_frame * precv_frame)1827 unsigned int OnAction_ht(struct adapter *padapter, union recv_frame *precv_frame)
1828 {
1829 	u8 *pframe = precv_frame->u.hdr.rx_data;
1830 	u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
1831 	u8 category, action;
1832 
1833 	/* check RA matches or not */
1834 	if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe), ETH_ALEN))
1835 		goto exit;
1836 
1837 	category = frame_body[0];
1838 	if (category != RTW_WLAN_CATEGORY_HT)
1839 		goto exit;
1840 
1841 	action = frame_body[1];
1842 	switch (action) {
1843 	case WLAN_HT_ACTION_COMPRESSED_BF:
1844 		break;
1845 	default:
1846 		break;
1847 	}
1848 
1849 exit:
1850 
1851 	return _SUCCESS;
1852 }
1853 
OnAction_sa_query(struct adapter * padapter,union recv_frame * precv_frame)1854 unsigned int OnAction_sa_query(struct adapter *padapter, union recv_frame *precv_frame)
1855 {
1856 	u8 *pframe = precv_frame->u.hdr.rx_data;
1857 	struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
1858 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1859 	unsigned short tid;
1860 
1861 	switch (pframe[WLAN_HDR_A3_LEN+1]) {
1862 	case 0: /* SA Query req */
1863 		memcpy(&tid, &pframe[WLAN_HDR_A3_LEN+2], sizeof(unsigned short));
1864 		issue_action_SA_Query(padapter, GetAddr2Ptr(pframe), 1, tid);
1865 		break;
1866 
1867 	case 1: /* SA Query rsp */
1868 		del_timer_sync(&pmlmeext->sa_query_timer);
1869 		break;
1870 	default:
1871 		break;
1872 	}
1873 	if (0) {
1874 		int pp;
1875 
1876 		printk("pattrib->pktlen = %d =>", pattrib->pkt_len);
1877 		for (pp = 0; pp < pattrib->pkt_len; pp++)
1878 			printk(" %02x ", pframe[pp]);
1879 		printk("\n");
1880 	}
1881 
1882 	return _SUCCESS;
1883 }
1884 
OnAction(struct adapter * padapter,union recv_frame * precv_frame)1885 unsigned int OnAction(struct adapter *padapter, union recv_frame *precv_frame)
1886 {
1887 	int i;
1888 	unsigned char category;
1889 	struct action_handler *ptable;
1890 	unsigned char *frame_body;
1891 	u8 *pframe = precv_frame->u.hdr.rx_data;
1892 
1893 	frame_body = (unsigned char *)(pframe + sizeof(struct ieee80211_hdr_3addr));
1894 
1895 	category = frame_body[0];
1896 
1897 	for (i = 0; i < ARRAY_SIZE(OnAction_tbl); i++) {
1898 		ptable = &OnAction_tbl[i];
1899 
1900 		if (category == ptable->num)
1901 			ptable->func(padapter, precv_frame);
1902 
1903 	}
1904 
1905 	return _SUCCESS;
1906 
1907 }
1908 
DoReserved(struct adapter * padapter,union recv_frame * precv_frame)1909 unsigned int DoReserved(struct adapter *padapter, union recv_frame *precv_frame)
1910 {
1911 	return _SUCCESS;
1912 }
1913 
_alloc_mgtxmitframe(struct xmit_priv * pxmitpriv,bool once)1914 static struct xmit_frame *_alloc_mgtxmitframe(struct xmit_priv *pxmitpriv, bool once)
1915 {
1916 	struct xmit_frame *pmgntframe;
1917 	struct xmit_buf *pxmitbuf;
1918 
1919 	if (once)
1920 		pmgntframe = rtw_alloc_xmitframe_once(pxmitpriv);
1921 	else
1922 		pmgntframe = rtw_alloc_xmitframe_ext(pxmitpriv);
1923 
1924 	if (!pmgntframe)
1925 		goto exit;
1926 
1927 	pxmitbuf = rtw_alloc_xmitbuf_ext(pxmitpriv);
1928 	if (!pxmitbuf) {
1929 		rtw_free_xmitframe(pxmitpriv, pmgntframe);
1930 		pmgntframe = NULL;
1931 		goto exit;
1932 	}
1933 
1934 	pmgntframe->frame_tag = MGNT_FRAMETAG;
1935 	pmgntframe->pxmitbuf = pxmitbuf;
1936 	pmgntframe->buf_addr = pxmitbuf->pbuf;
1937 	pxmitbuf->priv_data = pmgntframe;
1938 
1939 exit:
1940 	return pmgntframe;
1941 
1942 }
1943 
alloc_mgtxmitframe(struct xmit_priv * pxmitpriv)1944 inline struct xmit_frame *alloc_mgtxmitframe(struct xmit_priv *pxmitpriv)
1945 {
1946 	return _alloc_mgtxmitframe(pxmitpriv, false);
1947 }
1948 
1949 /****************************************************************************
1950 
1951 Following are some TX functions for WiFi MLME
1952 
1953 *****************************************************************************/
1954 
update_mgnt_tx_rate(struct adapter * padapter,u8 rate)1955 void update_mgnt_tx_rate(struct adapter *padapter, u8 rate)
1956 {
1957 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1958 
1959 	pmlmeext->tx_rate = rate;
1960 }
1961 
update_mgntframe_attrib(struct adapter * padapter,struct pkt_attrib * pattrib)1962 void update_mgntframe_attrib(struct adapter *padapter, struct pkt_attrib *pattrib)
1963 {
1964 	u8 wireless_mode;
1965 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1966 
1967 	/* memset((u8 *)(pattrib), 0, sizeof(struct pkt_attrib)); */
1968 
1969 	pattrib->hdrlen = 24;
1970 	pattrib->nr_frags = 1;
1971 	pattrib->priority = 7;
1972 	pattrib->mac_id = 0;
1973 	pattrib->qsel = 0x12;
1974 
1975 	pattrib->pktlen = 0;
1976 
1977 	if (pmlmeext->tx_rate == IEEE80211_CCK_RATE_1MB)
1978 		wireless_mode = WIRELESS_11B;
1979 	else
1980 		wireless_mode = WIRELESS_11G;
1981 	pattrib->raid =  rtw_get_mgntframe_raid(padapter, wireless_mode);
1982 	pattrib->rate = pmlmeext->tx_rate;
1983 
1984 	pattrib->encrypt = _NO_PRIVACY_;
1985 	pattrib->bswenc = false;
1986 
1987 	pattrib->qos_en = false;
1988 	pattrib->ht_en = false;
1989 	pattrib->bwmode = CHANNEL_WIDTH_20;
1990 	pattrib->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
1991 	pattrib->sgi = false;
1992 
1993 	pattrib->seqnum = pmlmeext->mgnt_seq;
1994 
1995 	pattrib->retry_ctrl = true;
1996 
1997 	pattrib->mbssid = 0;
1998 
1999 }
2000 
update_mgntframe_attrib_addr(struct adapter * padapter,struct xmit_frame * pmgntframe)2001 void update_mgntframe_attrib_addr(struct adapter *padapter, struct xmit_frame *pmgntframe)
2002 {
2003 	u8 *pframe;
2004 	struct pkt_attrib	*pattrib = &pmgntframe->attrib;
2005 
2006 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2007 
2008 	memcpy(pattrib->ra, GetAddr1Ptr(pframe), ETH_ALEN);
2009 	memcpy(pattrib->ta, GetAddr2Ptr(pframe), ETH_ALEN);
2010 }
2011 
dump_mgntframe(struct adapter * padapter,struct xmit_frame * pmgntframe)2012 void dump_mgntframe(struct adapter *padapter, struct xmit_frame *pmgntframe)
2013 {
2014 	if (padapter->bSurpriseRemoved ||
2015 		padapter->bDriverStopped) {
2016 		rtw_free_xmitbuf(&padapter->xmitpriv, pmgntframe->pxmitbuf);
2017 		rtw_free_xmitframe(&padapter->xmitpriv, pmgntframe);
2018 		return;
2019 	}
2020 
2021 	rtw_hal_mgnt_xmit(padapter, pmgntframe);
2022 }
2023 
dump_mgntframe_and_wait(struct adapter * padapter,struct xmit_frame * pmgntframe,int timeout_ms)2024 s32 dump_mgntframe_and_wait(struct adapter *padapter, struct xmit_frame *pmgntframe, int timeout_ms)
2025 {
2026 	s32 ret = _FAIL;
2027 	unsigned long irqL;
2028 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2029 	struct xmit_buf *pxmitbuf = pmgntframe->pxmitbuf;
2030 	struct submit_ctx sctx;
2031 
2032 	if (padapter->bSurpriseRemoved ||
2033 		padapter->bDriverStopped) {
2034 		rtw_free_xmitbuf(&padapter->xmitpriv, pmgntframe->pxmitbuf);
2035 		rtw_free_xmitframe(&padapter->xmitpriv, pmgntframe);
2036 		return ret;
2037 	}
2038 
2039 	rtw_sctx_init(&sctx, timeout_ms);
2040 	pxmitbuf->sctx = &sctx;
2041 
2042 	ret = rtw_hal_mgnt_xmit(padapter, pmgntframe);
2043 
2044 	if (ret == _SUCCESS)
2045 		ret = rtw_sctx_wait(&sctx);
2046 
2047 	spin_lock_irqsave(&pxmitpriv->lock_sctx, irqL);
2048 	pxmitbuf->sctx = NULL;
2049 	spin_unlock_irqrestore(&pxmitpriv->lock_sctx, irqL);
2050 
2051 	return ret;
2052 }
2053 
dump_mgntframe_and_wait_ack(struct adapter * padapter,struct xmit_frame * pmgntframe)2054 s32 dump_mgntframe_and_wait_ack(struct adapter *padapter, struct xmit_frame *pmgntframe)
2055 {
2056 	static u8 seq_no;
2057 	s32 ret = _FAIL;
2058 	u32 timeout_ms = 500;/*   500ms */
2059 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2060 
2061 	if (padapter->bSurpriseRemoved ||
2062 		padapter->bDriverStopped) {
2063 		rtw_free_xmitbuf(&padapter->xmitpriv, pmgntframe->pxmitbuf);
2064 		rtw_free_xmitframe(&padapter->xmitpriv, pmgntframe);
2065 		return -1;
2066 	}
2067 
2068 	if (mutex_lock_interruptible(&pxmitpriv->ack_tx_mutex) == 0) {
2069 		pxmitpriv->ack_tx = true;
2070 		pxmitpriv->seq_no = seq_no++;
2071 		pmgntframe->ack_report = 1;
2072 		if (rtw_hal_mgnt_xmit(padapter, pmgntframe) == _SUCCESS)
2073 			ret = rtw_ack_tx_wait(pxmitpriv, timeout_ms);
2074 
2075 		pxmitpriv->ack_tx = false;
2076 		mutex_unlock(&pxmitpriv->ack_tx_mutex);
2077 	}
2078 
2079 	return ret;
2080 }
2081 
update_hidden_ssid(u8 * ies,u32 ies_len,u8 hidden_ssid_mode)2082 static int update_hidden_ssid(u8 *ies, u32 ies_len, u8 hidden_ssid_mode)
2083 {
2084 	u8 *ssid_ie;
2085 	signed int ssid_len_ori;
2086 	int len_diff = 0;
2087 
2088 	ssid_ie = rtw_get_ie(ies,  WLAN_EID_SSID, &ssid_len_ori, ies_len);
2089 
2090 	if (ssid_ie && ssid_len_ori > 0) {
2091 		switch (hidden_ssid_mode) {
2092 		case 1:
2093 		{
2094 			u8 *next_ie = ssid_ie + 2 + ssid_len_ori;
2095 			u32 remain_len = 0;
2096 
2097 			remain_len = ies_len - (next_ie-ies);
2098 
2099 			ssid_ie[1] = 0;
2100 			memcpy(ssid_ie+2, next_ie, remain_len);
2101 			len_diff -= ssid_len_ori;
2102 
2103 			break;
2104 		}
2105 		case 2:
2106 			memset(&ssid_ie[2], 0, ssid_len_ori);
2107 			break;
2108 		default:
2109 			break;
2110 	}
2111 	}
2112 
2113 	return len_diff;
2114 }
2115 
issue_beacon(struct adapter * padapter,int timeout_ms)2116 void issue_beacon(struct adapter *padapter, int timeout_ms)
2117 {
2118 	struct xmit_frame	*pmgntframe;
2119 	struct pkt_attrib	*pattrib;
2120 	unsigned char *pframe;
2121 	struct ieee80211_hdr *pwlanhdr;
2122 	__le16 *fctrl;
2123 	unsigned int	rate_len;
2124 	struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2125 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2126 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2127 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2128 	struct wlan_bssid_ex		*cur_network = &(pmlmeinfo->network);
2129 
2130 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2131 	if (!pmgntframe)
2132 		return;
2133 
2134 	spin_lock_bh(&pmlmepriv->bcn_update_lock);
2135 
2136 	/* update attribute */
2137 	pattrib = &pmgntframe->attrib;
2138 	update_mgntframe_attrib(padapter, pattrib);
2139 	pattrib->qsel = 0x10;
2140 
2141 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2142 
2143 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2144 	pwlanhdr = (struct ieee80211_hdr *)pframe;
2145 
2146 
2147 	fctrl = &(pwlanhdr->frame_control);
2148 	*(fctrl) = 0;
2149 
2150 	eth_broadcast_addr(pwlanhdr->addr1);
2151 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
2152 	memcpy(pwlanhdr->addr3, get_my_bssid(cur_network), ETH_ALEN);
2153 
2154 	SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
2155 	/* pmlmeext->mgnt_seq++; */
2156 	SetFrameSubType(pframe, WIFI_BEACON);
2157 
2158 	pframe += sizeof(struct ieee80211_hdr_3addr);
2159 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
2160 
2161 	if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) {
2162 		{
2163 			int len_diff;
2164 
2165 			memcpy(pframe, cur_network->ies, cur_network->ie_length);
2166 			len_diff = update_hidden_ssid(pframe+_BEACON_IE_OFFSET_,
2167 						      cur_network->ie_length-_BEACON_IE_OFFSET_,
2168 						      pmlmeinfo->hidden_ssid_mode);
2169 			pframe += (cur_network->ie_length+len_diff);
2170 			pattrib->pktlen += (cur_network->ie_length+len_diff);
2171 		}
2172 
2173 		{
2174 			u8 *wps_ie;
2175 			uint wps_ielen;
2176 			u8 sr = 0;
2177 
2178 			wps_ie = rtw_get_wps_ie(pmgntframe->buf_addr+TXDESC_OFFSET+sizeof(struct ieee80211_hdr_3addr)+_BEACON_IE_OFFSET_,
2179 				pattrib->pktlen-sizeof(struct ieee80211_hdr_3addr)-_BEACON_IE_OFFSET_, NULL, &wps_ielen);
2180 			if (wps_ie && wps_ielen > 0)
2181 				rtw_get_wps_attr_content(wps_ie,  wps_ielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL);
2182 			if (sr != 0)
2183 				set_fwstate(pmlmepriv, WIFI_UNDER_WPS);
2184 			else
2185 				_clr_fwstate_(pmlmepriv, WIFI_UNDER_WPS);
2186 		}
2187 
2188 		goto _issue_bcn;
2189 
2190 	}
2191 
2192 	/* below for ad-hoc mode */
2193 
2194 	/* timestamp will be inserted by hardware */
2195 	pframe += 8;
2196 	pattrib->pktlen += 8;
2197 
2198 	/*  beacon interval: 2 bytes */
2199 
2200 	memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->ies)), 2);
2201 
2202 	pframe += 2;
2203 	pattrib->pktlen += 2;
2204 
2205 	/*  capability info: 2 bytes */
2206 
2207 	memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->ies)), 2);
2208 
2209 	pframe += 2;
2210 	pattrib->pktlen += 2;
2211 
2212 	/*  SSID */
2213 	pframe = rtw_set_ie(pframe, WLAN_EID_SSID, cur_network->ssid.ssid_length, cur_network->ssid.ssid, &pattrib->pktlen);
2214 
2215 	/*  supported rates... */
2216 	rate_len = rtw_get_rateset_len(cur_network->supported_rates);
2217 	pframe = rtw_set_ie(pframe, WLAN_EID_SUPP_RATES, ((rate_len > 8) ? 8 : rate_len), cur_network->supported_rates, &pattrib->pktlen);
2218 
2219 	/*  DS parameter set */
2220 	pframe = rtw_set_ie(pframe, WLAN_EID_DS_PARAMS, 1, (unsigned char *)&(cur_network->configuration.ds_config), &pattrib->pktlen);
2221 
2222 	/* if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) */
2223 	{
2224 		u8 erpinfo = 0;
2225 		u32 ATIMWindow;
2226 		/*  IBSS Parameter Set... */
2227 		/* ATIMWindow = cur->configuration.ATIMWindow; */
2228 		ATIMWindow = 0;
2229 		pframe = rtw_set_ie(pframe, WLAN_EID_IBSS_PARAMS, 2, (unsigned char *)(&ATIMWindow), &pattrib->pktlen);
2230 
2231 		/* ERP IE */
2232 		pframe = rtw_set_ie(pframe, WLAN_EID_ERP_INFO, 1, &erpinfo, &pattrib->pktlen);
2233 	}
2234 
2235 
2236 	/*  EXTERNDED SUPPORTED RATE */
2237 	if (rate_len > 8)
2238 		pframe = rtw_set_ie(pframe, WLAN_EID_EXT_SUPP_RATES, (rate_len - 8), (cur_network->supported_rates + 8), &pattrib->pktlen);
2239 
2240 
2241 	/* todo:HT for adhoc */
2242 
2243 _issue_bcn:
2244 
2245 	pmlmepriv->update_bcn = false;
2246 
2247 	spin_unlock_bh(&pmlmepriv->bcn_update_lock);
2248 
2249 	if ((pattrib->pktlen + TXDESC_SIZE) > 512)
2250 		return;
2251 
2252 	pattrib->last_txcmdsz = pattrib->pktlen;
2253 
2254 	if (timeout_ms > 0)
2255 		dump_mgntframe_and_wait(padapter, pmgntframe, timeout_ms);
2256 	else
2257 		dump_mgntframe(padapter, pmgntframe);
2258 
2259 }
2260 
issue_probersp(struct adapter * padapter,unsigned char * da,u8 is_valid_p2p_probereq)2261 void issue_probersp(struct adapter *padapter, unsigned char *da, u8 is_valid_p2p_probereq)
2262 {
2263 	struct xmit_frame			*pmgntframe;
2264 	struct pkt_attrib			*pattrib;
2265 	unsigned char 				*pframe;
2266 	struct ieee80211_hdr	*pwlanhdr;
2267 	__le16 *fctrl;
2268 	unsigned char 				*mac, *bssid;
2269 	struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2270 
2271 	u8 *pwps_ie;
2272 	uint wps_ielen;
2273 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2274 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2275 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2276 	struct wlan_bssid_ex		*cur_network = &(pmlmeinfo->network);
2277 	unsigned int	rate_len;
2278 
2279 	if (!da)
2280 		return;
2281 
2282 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2283 	if (!pmgntframe)
2284 		return;
2285 
2286 	/* update attribute */
2287 	pattrib = &pmgntframe->attrib;
2288 	update_mgntframe_attrib(padapter, pattrib);
2289 
2290 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2291 
2292 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2293 	pwlanhdr = (struct ieee80211_hdr *)pframe;
2294 
2295 	mac = myid(&(padapter->eeprompriv));
2296 	bssid = cur_network->mac_address;
2297 
2298 	fctrl = &(pwlanhdr->frame_control);
2299 	*(fctrl) = 0;
2300 	memcpy(pwlanhdr->addr1, da, ETH_ALEN);
2301 	memcpy(pwlanhdr->addr2, mac, ETH_ALEN);
2302 	memcpy(pwlanhdr->addr3, bssid, ETH_ALEN);
2303 
2304 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
2305 	pmlmeext->mgnt_seq++;
2306 	SetFrameSubType(fctrl, WIFI_PROBERSP);
2307 
2308 	pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
2309 	pattrib->pktlen = pattrib->hdrlen;
2310 	pframe += pattrib->hdrlen;
2311 
2312 
2313 	if (cur_network->ie_length > MAX_IE_SZ)
2314 		return;
2315 
2316 	if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) {
2317 		pwps_ie = rtw_get_wps_ie(cur_network->ies+_FIXED_IE_LENGTH_, cur_network->ie_length-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
2318 
2319 		/* inerset & update wps_probe_resp_ie */
2320 		if (pmlmepriv->wps_probe_resp_ie && pwps_ie && wps_ielen > 0) {
2321 			uint wps_offset, remainder_ielen;
2322 			u8 *premainder_ie;
2323 
2324 			wps_offset = (uint)(pwps_ie - cur_network->ies);
2325 
2326 			premainder_ie = pwps_ie + wps_ielen;
2327 
2328 			remainder_ielen = cur_network->ie_length - wps_offset - wps_ielen;
2329 
2330 			memcpy(pframe, cur_network->ies, wps_offset);
2331 			pframe += wps_offset;
2332 			pattrib->pktlen += wps_offset;
2333 
2334 			wps_ielen = (uint)pmlmepriv->wps_probe_resp_ie[1];/* to get ie data len */
2335 			if ((wps_offset+wps_ielen+2) <= MAX_IE_SZ) {
2336 				memcpy(pframe, pmlmepriv->wps_probe_resp_ie, wps_ielen+2);
2337 				pframe += wps_ielen+2;
2338 				pattrib->pktlen += wps_ielen+2;
2339 			}
2340 
2341 			if ((wps_offset+wps_ielen+2+remainder_ielen) <= MAX_IE_SZ) {
2342 				memcpy(pframe, premainder_ie, remainder_ielen);
2343 				pframe += remainder_ielen;
2344 				pattrib->pktlen += remainder_ielen;
2345 			}
2346 		} else {
2347 			memcpy(pframe, cur_network->ies, cur_network->ie_length);
2348 			pframe += cur_network->ie_length;
2349 			pattrib->pktlen += cur_network->ie_length;
2350 		}
2351 
2352 		/* retrieve SSID IE from cur_network->ssid */
2353 		{
2354 			u8 *ssid_ie;
2355 			signed int ssid_ielen;
2356 			signed int ssid_ielen_diff;
2357 			u8 *buf;
2358 			u8 *ies = pmgntframe->buf_addr+TXDESC_OFFSET+sizeof(struct ieee80211_hdr_3addr);
2359 
2360 			buf = rtw_zmalloc(MAX_IE_SZ);
2361 			if (!buf)
2362 				return;
2363 
2364 			ssid_ie = rtw_get_ie(ies+_FIXED_IE_LENGTH_, WLAN_EID_SSID, &ssid_ielen,
2365 				(pframe-ies)-_FIXED_IE_LENGTH_);
2366 
2367 			ssid_ielen_diff = cur_network->ssid.ssid_length - ssid_ielen;
2368 
2369 			if (ssid_ie &&  cur_network->ssid.ssid_length) {
2370 				uint remainder_ielen;
2371 				u8 *remainder_ie;
2372 
2373 				remainder_ie = ssid_ie+2;
2374 				remainder_ielen = (pframe-remainder_ie);
2375 
2376 				if (remainder_ielen > MAX_IE_SZ) {
2377 					netdev_warn(padapter->pnetdev,
2378 						    FUNC_ADPT_FMT " remainder_ielen > MAX_IE_SZ\n",
2379 						    FUNC_ADPT_ARG(padapter));
2380 					remainder_ielen = MAX_IE_SZ;
2381 				}
2382 
2383 				memcpy(buf, remainder_ie, remainder_ielen);
2384 				memcpy(remainder_ie+ssid_ielen_diff, buf, remainder_ielen);
2385 				*(ssid_ie+1) = cur_network->ssid.ssid_length;
2386 				memcpy(ssid_ie+2, cur_network->ssid.ssid, cur_network->ssid.ssid_length);
2387 
2388 				pframe += ssid_ielen_diff;
2389 				pattrib->pktlen += ssid_ielen_diff;
2390 			}
2391 			kfree(buf);
2392 		}
2393 	} else {
2394 		/* timestamp will be inserted by hardware */
2395 		pframe += 8;
2396 		pattrib->pktlen += 8;
2397 
2398 		/*  beacon interval: 2 bytes */
2399 
2400 		memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->ies)), 2);
2401 
2402 		pframe += 2;
2403 		pattrib->pktlen += 2;
2404 
2405 		/*  capability info: 2 bytes */
2406 
2407 		memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->ies)), 2);
2408 
2409 		pframe += 2;
2410 		pattrib->pktlen += 2;
2411 
2412 		/* below for ad-hoc mode */
2413 
2414 		/*  SSID */
2415 		pframe = rtw_set_ie(pframe, WLAN_EID_SSID, cur_network->ssid.ssid_length, cur_network->ssid.ssid, &pattrib->pktlen);
2416 
2417 		/*  supported rates... */
2418 		rate_len = rtw_get_rateset_len(cur_network->supported_rates);
2419 		pframe = rtw_set_ie(pframe, WLAN_EID_SUPP_RATES, ((rate_len > 8) ? 8 : rate_len), cur_network->supported_rates, &pattrib->pktlen);
2420 
2421 		/*  DS parameter set */
2422 		pframe = rtw_set_ie(pframe, WLAN_EID_DS_PARAMS, 1, (unsigned char *)&(cur_network->configuration.ds_config), &pattrib->pktlen);
2423 
2424 		if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) {
2425 			u8 erpinfo = 0;
2426 			u32 ATIMWindow;
2427 			/*  IBSS Parameter Set... */
2428 			/* ATIMWindow = cur->configuration.ATIMWindow; */
2429 			ATIMWindow = 0;
2430 			pframe = rtw_set_ie(pframe, WLAN_EID_IBSS_PARAMS, 2, (unsigned char *)(&ATIMWindow), &pattrib->pktlen);
2431 
2432 			/* ERP IE */
2433 			pframe = rtw_set_ie(pframe, WLAN_EID_ERP_INFO, 1, &erpinfo, &pattrib->pktlen);
2434 		}
2435 
2436 
2437 		/*  EXTERNDED SUPPORTED RATE */
2438 		if (rate_len > 8)
2439 			pframe = rtw_set_ie(pframe, WLAN_EID_EXT_SUPP_RATES, (rate_len - 8), (cur_network->supported_rates + 8), &pattrib->pktlen);
2440 
2441 
2442 		/* todo:HT for adhoc */
2443 
2444 	}
2445 
2446 	pattrib->last_txcmdsz = pattrib->pktlen;
2447 
2448 
2449 	dump_mgntframe(padapter, pmgntframe);
2450 
2451 	return;
2452 
2453 }
2454 
_issue_probereq(struct adapter * padapter,struct ndis_802_11_ssid * pssid,u8 * da,u8 ch,bool append_wps,bool wait_ack)2455 static int _issue_probereq(struct adapter *padapter,
2456 			   struct ndis_802_11_ssid *pssid,
2457 			   u8 *da, u8 ch, bool append_wps, bool wait_ack)
2458 {
2459 	int ret = _FAIL;
2460 	struct xmit_frame		*pmgntframe;
2461 	struct pkt_attrib		*pattrib;
2462 	unsigned char 		*pframe;
2463 	struct ieee80211_hdr	*pwlanhdr;
2464 	__le16 *fctrl;
2465 	unsigned char 		*mac;
2466 	unsigned char 		bssrate[NumRates];
2467 	struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv);
2468 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2469 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2470 	int	bssrate_len = 0;
2471 
2472 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2473 	if (!pmgntframe)
2474 		goto exit;
2475 
2476 	/* update attribute */
2477 	pattrib = &pmgntframe->attrib;
2478 	update_mgntframe_attrib(padapter, pattrib);
2479 
2480 
2481 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2482 
2483 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2484 	pwlanhdr = (struct ieee80211_hdr *)pframe;
2485 
2486 	mac = myid(&(padapter->eeprompriv));
2487 
2488 	fctrl = &(pwlanhdr->frame_control);
2489 	*(fctrl) = 0;
2490 
2491 	if (da) {
2492 		/* 	unicast probe request frame */
2493 		memcpy(pwlanhdr->addr1, da, ETH_ALEN);
2494 		memcpy(pwlanhdr->addr3, da, ETH_ALEN);
2495 	} else {
2496 		/* 	broadcast probe request frame */
2497 		eth_broadcast_addr(pwlanhdr->addr1);
2498 		eth_broadcast_addr(pwlanhdr->addr3);
2499 	}
2500 
2501 	memcpy(pwlanhdr->addr2, mac, ETH_ALEN);
2502 
2503 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
2504 	pmlmeext->mgnt_seq++;
2505 	SetFrameSubType(pframe, WIFI_PROBEREQ);
2506 
2507 	pframe += sizeof(struct ieee80211_hdr_3addr);
2508 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
2509 
2510 	if (pssid)
2511 		pframe = rtw_set_ie(pframe, WLAN_EID_SSID, pssid->ssid_length, pssid->ssid, &(pattrib->pktlen));
2512 	else
2513 		pframe = rtw_set_ie(pframe, WLAN_EID_SSID, 0, NULL, &(pattrib->pktlen));
2514 
2515 	get_rate_set(padapter, bssrate, &bssrate_len);
2516 
2517 	if (bssrate_len > 8) {
2518 		pframe = rtw_set_ie(pframe, WLAN_EID_SUPP_RATES, 8, bssrate, &(pattrib->pktlen));
2519 		pframe = rtw_set_ie(pframe, WLAN_EID_EXT_SUPP_RATES, (bssrate_len - 8), (bssrate + 8), &(pattrib->pktlen));
2520 	} else {
2521 		pframe = rtw_set_ie(pframe, WLAN_EID_SUPP_RATES, bssrate_len, bssrate, &(pattrib->pktlen));
2522 	}
2523 
2524 	if (ch)
2525 		pframe = rtw_set_ie(pframe, WLAN_EID_DS_PARAMS, 1, &ch, &pattrib->pktlen);
2526 
2527 	if (append_wps) {
2528 		/* add wps_ie for wps2.0 */
2529 		if (pmlmepriv->wps_probe_req_ie_len > 0 && pmlmepriv->wps_probe_req_ie) {
2530 			memcpy(pframe, pmlmepriv->wps_probe_req_ie, pmlmepriv->wps_probe_req_ie_len);
2531 			pframe += pmlmepriv->wps_probe_req_ie_len;
2532 			pattrib->pktlen += pmlmepriv->wps_probe_req_ie_len;
2533 		}
2534 	}
2535 
2536 	pattrib->last_txcmdsz = pattrib->pktlen;
2537 
2538 	if (wait_ack) {
2539 		ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe);
2540 	} else {
2541 		dump_mgntframe(padapter, pmgntframe);
2542 		ret = _SUCCESS;
2543 	}
2544 
2545 exit:
2546 	return ret;
2547 }
2548 
issue_probereq(struct adapter * padapter,struct ndis_802_11_ssid * pssid,u8 * da)2549 inline void issue_probereq(struct adapter *padapter, struct ndis_802_11_ssid *pssid, u8 *da)
2550 {
2551 	_issue_probereq(padapter, pssid, da, 0, 1, false);
2552 }
2553 
issue_probereq_ex(struct adapter * padapter,struct ndis_802_11_ssid * pssid,u8 * da,u8 ch,bool append_wps,int try_cnt,int wait_ms)2554 int issue_probereq_ex(struct adapter *padapter, struct ndis_802_11_ssid *pssid, u8 *da, u8 ch, bool append_wps,
2555 	int try_cnt, int wait_ms)
2556 {
2557 	int ret;
2558 	int i = 0;
2559 
2560 	do {
2561 		ret = _issue_probereq(padapter, pssid, da, ch, append_wps,
2562 				      wait_ms > 0);
2563 
2564 		i++;
2565 
2566 		if (padapter->bDriverStopped || padapter->bSurpriseRemoved)
2567 			break;
2568 
2569 		if (i < try_cnt && wait_ms > 0 && ret == _FAIL)
2570 			msleep(wait_ms);
2571 
2572 	} while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0)));
2573 
2574 	if (ret != _FAIL) {
2575 		ret = _SUCCESS;
2576 		#ifndef DBG_XMIT_ACK
2577 		goto exit;
2578 		#endif
2579 	}
2580 
2581 exit:
2582 	return ret;
2583 }
2584 
2585 /*  if psta == NULL, indicate we are station(client) now... */
issue_auth(struct adapter * padapter,struct sta_info * psta,unsigned short status)2586 void issue_auth(struct adapter *padapter, struct sta_info *psta, unsigned short status)
2587 {
2588 	struct xmit_frame			*pmgntframe;
2589 	struct pkt_attrib			*pattrib;
2590 	unsigned char 				*pframe;
2591 	struct ieee80211_hdr	*pwlanhdr;
2592 	__le16 *fctrl;
2593 	unsigned int					val32;
2594 	unsigned short				val16;
2595 	int use_shared_key = 0;
2596 	struct xmit_priv 		*pxmitpriv = &(padapter->xmitpriv);
2597 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2598 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2599 	__le16 le_tmp;
2600 
2601 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2602 	if (!pmgntframe)
2603 		return;
2604 
2605 	/* update attribute */
2606 	pattrib = &pmgntframe->attrib;
2607 	update_mgntframe_attrib(padapter, pattrib);
2608 
2609 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2610 
2611 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2612 	pwlanhdr = (struct ieee80211_hdr *)pframe;
2613 
2614 	fctrl = &(pwlanhdr->frame_control);
2615 	*(fctrl) = 0;
2616 
2617 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
2618 	pmlmeext->mgnt_seq++;
2619 	SetFrameSubType(pframe, WIFI_AUTH);
2620 
2621 	pframe += sizeof(struct ieee80211_hdr_3addr);
2622 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
2623 
2624 
2625 	if (psta) { /*  for AP mode */
2626 		memcpy(pwlanhdr->addr1, psta->hwaddr, ETH_ALEN);
2627 		memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
2628 		memcpy(pwlanhdr->addr3, myid(&(padapter->eeprompriv)), ETH_ALEN);
2629 
2630 		/*  setting auth algo number */
2631 		val16 = (u16)psta->authalg;
2632 
2633 		if (status != WLAN_STATUS_SUCCESS)
2634 			val16 = 0;
2635 
2636 		if (val16)
2637 			use_shared_key = 1;
2638 
2639 		le_tmp = cpu_to_le16(val16);
2640 
2641 		pframe = rtw_set_fixed_ie(pframe, _AUTH_ALGM_NUM_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
2642 
2643 		/*  setting auth seq number */
2644 		val16 = (u16)psta->auth_seq;
2645 		le_tmp = cpu_to_le16(val16);
2646 		pframe = rtw_set_fixed_ie(pframe, _AUTH_SEQ_NUM_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
2647 
2648 		/*  setting status code... */
2649 		val16 = status;
2650 		le_tmp = cpu_to_le16(val16);
2651 		pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
2652 
2653 		/*  added challenging text... */
2654 		if ((psta->auth_seq == 2) && (psta->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1))
2655 			pframe = rtw_set_ie(pframe, WLAN_EID_CHALLENGE, 128, psta->chg_txt, &(pattrib->pktlen));
2656 
2657 	} else {
2658 		memcpy(pwlanhdr->addr1, get_my_bssid(&pmlmeinfo->network), ETH_ALEN);
2659 		memcpy(pwlanhdr->addr2, myid(&padapter->eeprompriv), ETH_ALEN);
2660 		memcpy(pwlanhdr->addr3, get_my_bssid(&pmlmeinfo->network), ETH_ALEN);
2661 
2662 		/*  setting auth algo number */
2663 		val16 = (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) ? 1 : 0;/*  0:OPEN System, 1:Shared key */
2664 		if (val16)
2665 			use_shared_key = 1;
2666 		le_tmp = cpu_to_le16(val16);
2667 
2668 		/* setting IV for auth seq #3 */
2669 		if ((pmlmeinfo->auth_seq == 3) && (pmlmeinfo->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1)) {
2670 			__le32 le_tmp32;
2671 
2672 			val32 = ((pmlmeinfo->iv++) | (pmlmeinfo->key_index << 30));
2673 			le_tmp32 = cpu_to_le32(val32);
2674 			pframe = rtw_set_fixed_ie(pframe, 4, (unsigned char *)&le_tmp32, &(pattrib->pktlen));
2675 
2676 			pattrib->iv_len = 4;
2677 		}
2678 
2679 		pframe = rtw_set_fixed_ie(pframe, _AUTH_ALGM_NUM_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
2680 
2681 		/*  setting auth seq number */
2682 		le_tmp = cpu_to_le16(pmlmeinfo->auth_seq);
2683 		pframe = rtw_set_fixed_ie(pframe, _AUTH_SEQ_NUM_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
2684 
2685 
2686 		/*  setting status code... */
2687 		le_tmp = cpu_to_le16(status);
2688 		pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
2689 
2690 		/*  then checking to see if sending challenging text... */
2691 		if ((pmlmeinfo->auth_seq == 3) && (pmlmeinfo->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1)) {
2692 			pframe = rtw_set_ie(pframe, WLAN_EID_CHALLENGE, 128, pmlmeinfo->chg_txt, &(pattrib->pktlen));
2693 
2694 			SetPrivacy(fctrl);
2695 
2696 			pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
2697 
2698 			pattrib->encrypt = _WEP40_;
2699 
2700 			pattrib->icv_len = 4;
2701 
2702 			pattrib->pktlen += pattrib->icv_len;
2703 
2704 		}
2705 
2706 	}
2707 
2708 	pattrib->last_txcmdsz = pattrib->pktlen;
2709 
2710 	rtw_wep_encrypt(padapter, (u8 *)pmgntframe);
2711 	dump_mgntframe(padapter, pmgntframe);
2712 }
2713 
2714 
issue_asocrsp(struct adapter * padapter,unsigned short status,struct sta_info * pstat,int pkt_type)2715 void issue_asocrsp(struct adapter *padapter, unsigned short status, struct sta_info *pstat, int pkt_type)
2716 {
2717 	struct xmit_frame	*pmgntframe;
2718 	struct ieee80211_hdr	*pwlanhdr;
2719 	struct pkt_attrib *pattrib;
2720 	unsigned char *pbuf, *pframe;
2721 	unsigned short val;
2722 	__le16 *fctrl;
2723 	struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2724 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2725 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2726 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2727 	struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
2728 	u8 *ie = pnetwork->ies;
2729 	__le16 lestatus, le_tmp;
2730 
2731 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2732 	if (!pmgntframe)
2733 		return;
2734 
2735 	/* update attribute */
2736 	pattrib = &pmgntframe->attrib;
2737 	update_mgntframe_attrib(padapter, pattrib);
2738 
2739 
2740 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2741 
2742 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2743 	pwlanhdr = (struct ieee80211_hdr *)pframe;
2744 
2745 	fctrl = &(pwlanhdr->frame_control);
2746 	*(fctrl) = 0;
2747 
2748 	memcpy((void *)GetAddr1Ptr(pwlanhdr), pstat->hwaddr, ETH_ALEN);
2749 	memcpy((void *)GetAddr2Ptr(pwlanhdr), myid(&(padapter->eeprompriv)), ETH_ALEN);
2750 	memcpy((void *)GetAddr3Ptr(pwlanhdr), get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
2751 
2752 
2753 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
2754 	pmlmeext->mgnt_seq++;
2755 	if ((pkt_type == WIFI_ASSOCRSP) || (pkt_type == WIFI_REASSOCRSP))
2756 		SetFrameSubType(pwlanhdr, pkt_type);
2757 	else
2758 		return;
2759 
2760 	pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
2761 	pattrib->pktlen += pattrib->hdrlen;
2762 	pframe += pattrib->hdrlen;
2763 
2764 	/* capability */
2765 	val = *(unsigned short *)rtw_get_capability_from_ie(ie);
2766 
2767 	pframe = rtw_set_fixed_ie(pframe, _CAPABILITY_, (unsigned char *)&val, &(pattrib->pktlen));
2768 
2769 	lestatus = cpu_to_le16(status);
2770 	pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_, (unsigned char *)&lestatus, &(pattrib->pktlen));
2771 
2772 	le_tmp = cpu_to_le16(pstat->aid | BIT(14) | BIT(15));
2773 	pframe = rtw_set_fixed_ie(pframe, _ASOC_ID_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
2774 
2775 	if (pstat->bssratelen <= 8) {
2776 		pframe = rtw_set_ie(pframe, WLAN_EID_SUPP_RATES, pstat->bssratelen, pstat->bssrateset, &(pattrib->pktlen));
2777 	} else {
2778 		pframe = rtw_set_ie(pframe, WLAN_EID_SUPP_RATES, 8, pstat->bssrateset, &(pattrib->pktlen));
2779 		pframe = rtw_set_ie(pframe, WLAN_EID_EXT_SUPP_RATES, (pstat->bssratelen-8), pstat->bssrateset+8, &(pattrib->pktlen));
2780 	}
2781 
2782 	if ((pstat->flags & WLAN_STA_HT) && (pmlmepriv->htpriv.ht_option)) {
2783 		uint ie_len = 0;
2784 
2785 		/* FILL HT CAP INFO IE */
2786 		/* p = hostapd_eid_ht_capabilities_info(hapd, p); */
2787 		pbuf = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_HT_CAPABILITY, &ie_len, (pnetwork->ie_length - _BEACON_IE_OFFSET_));
2788 		if (pbuf && ie_len > 0) {
2789 			memcpy(pframe, pbuf, ie_len+2);
2790 			pframe += (ie_len+2);
2791 			pattrib->pktlen += (ie_len+2);
2792 		}
2793 
2794 		/* FILL HT ADD INFO IE */
2795 		/* p = hostapd_eid_ht_operation(hapd, p); */
2796 		pbuf = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_HT_OPERATION, &ie_len, (pnetwork->ie_length - _BEACON_IE_OFFSET_));
2797 		if (pbuf && ie_len > 0) {
2798 			memcpy(pframe, pbuf, ie_len+2);
2799 			pframe += (ie_len+2);
2800 			pattrib->pktlen += (ie_len+2);
2801 		}
2802 
2803 	}
2804 
2805 	/* FILL WMM IE */
2806 	if ((pstat->flags & WLAN_STA_WME) && (pmlmepriv->qospriv.qos_option)) {
2807 		uint ie_len = 0;
2808 		unsigned char WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
2809 
2810 		for (pbuf = ie + _BEACON_IE_OFFSET_; ; pbuf += (ie_len + 2)) {
2811 			pbuf = rtw_get_ie(pbuf, WLAN_EID_VENDOR_SPECIFIC, &ie_len, (pnetwork->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)));
2812 			if (pbuf && !memcmp(pbuf+2, WMM_PARA_IE, 6)) {
2813 				memcpy(pframe, pbuf, ie_len+2);
2814 				pframe += (ie_len+2);
2815 				pattrib->pktlen += (ie_len+2);
2816 
2817 				break;
2818 			}
2819 
2820 			if (!pbuf || ie_len == 0)
2821 				break;
2822 		}
2823 
2824 	}
2825 
2826 	if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_REALTEK)
2827 		pframe = rtw_set_ie(pframe, WLAN_EID_VENDOR_SPECIFIC, 6, REALTEK_96B_IE, &(pattrib->pktlen));
2828 
2829 	/* add WPS IE ie for wps 2.0 */
2830 	if (pmlmepriv->wps_assoc_resp_ie && pmlmepriv->wps_assoc_resp_ie_len > 0) {
2831 		memcpy(pframe, pmlmepriv->wps_assoc_resp_ie, pmlmepriv->wps_assoc_resp_ie_len);
2832 
2833 		pframe += pmlmepriv->wps_assoc_resp_ie_len;
2834 		pattrib->pktlen += pmlmepriv->wps_assoc_resp_ie_len;
2835 	}
2836 
2837 	pattrib->last_txcmdsz = pattrib->pktlen;
2838 
2839 	dump_mgntframe(padapter, pmgntframe);
2840 }
2841 
issue_assocreq(struct adapter * padapter)2842 void issue_assocreq(struct adapter *padapter)
2843 {
2844 	int ret = _FAIL;
2845 	struct xmit_frame				*pmgntframe;
2846 	struct pkt_attrib				*pattrib;
2847 	unsigned char 				*pframe;
2848 	struct ieee80211_hdr			*pwlanhdr;
2849 	__le16 *fctrl;
2850 	__le16 val16;
2851 	unsigned int					i, j, index = 0;
2852 	unsigned char bssrate[NumRates], sta_bssrate[NumRates];
2853 	struct ndis_80211_var_ie *pIE;
2854 	struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv);
2855 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2856 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2857 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2858 	int	bssrate_len = 0, sta_bssrate_len = 0;
2859 	u8 vs_ie_length = 0;
2860 
2861 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2862 	if (!pmgntframe)
2863 		goto exit;
2864 
2865 	/* update attribute */
2866 	pattrib = &pmgntframe->attrib;
2867 	update_mgntframe_attrib(padapter, pattrib);
2868 
2869 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2870 
2871 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2872 	pwlanhdr = (struct ieee80211_hdr *)pframe;
2873 
2874 	fctrl = &(pwlanhdr->frame_control);
2875 	*(fctrl) = 0;
2876 	memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
2877 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
2878 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
2879 
2880 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
2881 	pmlmeext->mgnt_seq++;
2882 	SetFrameSubType(pframe, WIFI_ASSOCREQ);
2883 
2884 	pframe += sizeof(struct ieee80211_hdr_3addr);
2885 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
2886 
2887 	/* caps */
2888 	memcpy(pframe, rtw_get_capability_from_ie(pmlmeinfo->network.ies), 2);
2889 
2890 	pframe += 2;
2891 	pattrib->pktlen += 2;
2892 
2893 	/* listen interval */
2894 	/* todo: listen interval for power saving */
2895 	val16 = cpu_to_le16(3);
2896 	memcpy(pframe, (unsigned char *)&val16, 2);
2897 	pframe += 2;
2898 	pattrib->pktlen += 2;
2899 
2900 	/* SSID */
2901 	pframe = rtw_set_ie(pframe, WLAN_EID_SSID,  pmlmeinfo->network.ssid.ssid_length, pmlmeinfo->network.ssid.ssid, &(pattrib->pktlen));
2902 
2903 	/* supported rate & extended supported rate */
2904 
2905 	/*  Check if the AP's supported rates are also supported by STA. */
2906 	get_rate_set(padapter, sta_bssrate, &sta_bssrate_len);
2907 
2908 	if (pmlmeext->cur_channel == 14) /*  for JAPAN, channel 14 can only uses B Mode(CCK) */
2909 		sta_bssrate_len = 4;
2910 
2911 
2912 	/* for (i = 0; i < sta_bssrate_len; i++) { */
2913 	/*  */
2914 
2915 	for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
2916 		if (pmlmeinfo->network.supported_rates[i] == 0)
2917 			break;
2918 	}
2919 
2920 
2921 	for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
2922 		if (pmlmeinfo->network.supported_rates[i] == 0)
2923 			break;
2924 
2925 
2926 		/*  Check if the AP's supported rates are also supported by STA. */
2927 		for (j = 0; j < sta_bssrate_len; j++) {
2928 			 /*  Avoid the proprietary data rate (22Mbps) of Handlink WSG-4000 AP */
2929 			if ((pmlmeinfo->network.supported_rates[i] | IEEE80211_BASIC_RATE_MASK)
2930 					== (sta_bssrate[j] | IEEE80211_BASIC_RATE_MASK))
2931 				break;
2932 		}
2933 
2934 		if (j != sta_bssrate_len)
2935 			/*  the rate is supported by STA */
2936 			bssrate[index++] = pmlmeinfo->network.supported_rates[i];
2937 	}
2938 
2939 	bssrate_len = index;
2940 
2941 	if (bssrate_len == 0) {
2942 		rtw_free_xmitbuf(pxmitpriv, pmgntframe->pxmitbuf);
2943 		rtw_free_xmitframe(pxmitpriv, pmgntframe);
2944 		goto exit; /* don't connect to AP if no joint supported rate */
2945 	}
2946 
2947 
2948 	if (bssrate_len > 8) {
2949 		pframe = rtw_set_ie(pframe, WLAN_EID_SUPP_RATES, 8, bssrate, &(pattrib->pktlen));
2950 		pframe = rtw_set_ie(pframe, WLAN_EID_EXT_SUPP_RATES, (bssrate_len - 8), (bssrate + 8), &(pattrib->pktlen));
2951 	} else
2952 		pframe = rtw_set_ie(pframe, WLAN_EID_SUPP_RATES, bssrate_len, bssrate, &(pattrib->pktlen));
2953 
2954 	/* vendor specific IE, such as WPA, WMM, WPS */
2955 	for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.ie_length;) {
2956 		pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.ies + i);
2957 
2958 		switch (pIE->element_id) {
2959 		case WLAN_EID_VENDOR_SPECIFIC:
2960 			if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) ||
2961 					(!memcmp(pIE->data, WMM_OUI, 4)) ||
2962 					(!memcmp(pIE->data, WPS_OUI, 4))) {
2963 				vs_ie_length = pIE->length;
2964 				if ((!padapter->registrypriv.wifi_spec) && (!memcmp(pIE->data, WPS_OUI, 4))) {
2965 					/* Commented by Kurt 20110629
2966 					 * In some older APs, WPS handshake
2967 					 * would be fail if we append vendor
2968 					 * extensions information to AP
2969 					 */
2970 
2971 					vs_ie_length = 14;
2972 				}
2973 
2974 				pframe = rtw_set_ie(pframe, WLAN_EID_VENDOR_SPECIFIC, vs_ie_length, pIE->data, &(pattrib->pktlen));
2975 			}
2976 			break;
2977 
2978 		case WLAN_EID_RSN:
2979 			pframe = rtw_set_ie(pframe, WLAN_EID_RSN, pIE->length, pIE->data, &(pattrib->pktlen));
2980 			break;
2981 		case WLAN_EID_HT_CAPABILITY:
2982 			if (padapter->mlmepriv.htpriv.ht_option) {
2983 				if (!(is_ap_in_tkip(padapter))) {
2984 					memcpy(&(pmlmeinfo->HT_caps), pIE->data, sizeof(struct HT_caps_element));
2985 					pframe = rtw_set_ie(pframe, WLAN_EID_HT_CAPABILITY, pIE->length, (u8 *)(&(pmlmeinfo->HT_caps)), &(pattrib->pktlen));
2986 				}
2987 			}
2988 			break;
2989 
2990 		case WLAN_EID_EXT_CAPABILITY:
2991 			if (padapter->mlmepriv.htpriv.ht_option)
2992 				pframe = rtw_set_ie(pframe, WLAN_EID_EXT_CAPABILITY, pIE->length, pIE->data, &(pattrib->pktlen));
2993 			break;
2994 		default:
2995 			break;
2996 		}
2997 
2998 		i += (pIE->length + 2);
2999 	}
3000 
3001 	if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_REALTEK)
3002 		pframe = rtw_set_ie(pframe, WLAN_EID_VENDOR_SPECIFIC, 6, REALTEK_96B_IE, &(pattrib->pktlen));
3003 
3004 
3005 	pattrib->last_txcmdsz = pattrib->pktlen;
3006 	dump_mgntframe(padapter, pmgntframe);
3007 
3008 	ret = _SUCCESS;
3009 
3010 exit:
3011 	if (ret == _SUCCESS)
3012 		rtw_buf_update(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len, (u8 *)pwlanhdr, pattrib->pktlen);
3013 	else
3014 		rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
3015 }
3016 
3017 /* when wait_ack is true, this function should be called at process context */
_issue_nulldata(struct adapter * padapter,unsigned char * da,unsigned int power_mode,bool wait_ack)3018 static int _issue_nulldata(struct adapter *padapter, unsigned char *da,
3019 			   unsigned int power_mode, bool wait_ack)
3020 {
3021 	int ret = _FAIL;
3022 	struct xmit_frame			*pmgntframe;
3023 	struct pkt_attrib			*pattrib;
3024 	unsigned char 				*pframe;
3025 	struct ieee80211_hdr	*pwlanhdr;
3026 	__le16 *fctrl;
3027 	struct xmit_priv *pxmitpriv;
3028 	struct mlme_ext_priv *pmlmeext;
3029 	struct mlme_ext_info *pmlmeinfo;
3030 
3031 	if (!padapter)
3032 		goto exit;
3033 
3034 	pxmitpriv = &(padapter->xmitpriv);
3035 	pmlmeext = &(padapter->mlmeextpriv);
3036 	pmlmeinfo = &(pmlmeext->mlmext_info);
3037 
3038 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3039 	if (!pmgntframe)
3040 		goto exit;
3041 
3042 	/* update attribute */
3043 	pattrib = &pmgntframe->attrib;
3044 	update_mgntframe_attrib(padapter, pattrib);
3045 	pattrib->retry_ctrl = false;
3046 
3047 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3048 
3049 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3050 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3051 
3052 	fctrl = &(pwlanhdr->frame_control);
3053 	*(fctrl) = 0;
3054 
3055 	if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
3056 		SetFrDs(fctrl);
3057 	else if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE)
3058 		SetToDs(fctrl);
3059 
3060 	if (power_mode)
3061 		SetPwrMgt(fctrl);
3062 
3063 	memcpy(pwlanhdr->addr1, da, ETH_ALEN);
3064 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3065 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3066 
3067 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3068 	pmlmeext->mgnt_seq++;
3069 	SetFrameSubType(pframe, WIFI_DATA_NULL);
3070 
3071 	pframe += sizeof(struct ieee80211_hdr_3addr);
3072 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
3073 
3074 	pattrib->last_txcmdsz = pattrib->pktlen;
3075 
3076 	if (wait_ack) {
3077 		ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe);
3078 	} else {
3079 		dump_mgntframe(padapter, pmgntframe);
3080 		ret = _SUCCESS;
3081 	}
3082 
3083 exit:
3084 	return ret;
3085 }
3086 
3087 /*
3088  * [IMPORTANT] Don't call this function in interrupt context
3089  *
3090  * When wait_ms > 0, this function should be called at process context
3091  * da == NULL for station mode
3092  */
issue_nulldata(struct adapter * padapter,unsigned char * da,unsigned int power_mode,int try_cnt,int wait_ms)3093 int issue_nulldata(struct adapter *padapter, unsigned char *da, unsigned int power_mode, int try_cnt, int wait_ms)
3094 {
3095 	int ret;
3096 	int i = 0;
3097 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3098 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3099 	struct sta_info *psta;
3100 
3101 
3102 	/* da == NULL, assume it's null data for sta to ap*/
3103 	if (!da)
3104 		da = get_my_bssid(&(pmlmeinfo->network));
3105 
3106 	psta = rtw_get_stainfo(&padapter->stapriv, da);
3107 	if (psta) {
3108 		if (power_mode)
3109 			rtw_hal_macid_sleep(padapter, psta->mac_id);
3110 		else
3111 			rtw_hal_macid_wakeup(padapter, psta->mac_id);
3112 	} else {
3113 		rtw_warn_on(1);
3114 	}
3115 
3116 	do {
3117 		ret = _issue_nulldata(padapter, da, power_mode, wait_ms > 0);
3118 
3119 		i++;
3120 
3121 		if (padapter->bDriverStopped || padapter->bSurpriseRemoved)
3122 			break;
3123 
3124 		if (i < try_cnt && wait_ms > 0 && ret == _FAIL)
3125 			msleep(wait_ms);
3126 
3127 	} while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0)));
3128 
3129 	if (ret != _FAIL) {
3130 		ret = _SUCCESS;
3131 		#ifndef DBG_XMIT_ACK
3132 		goto exit;
3133 		#endif
3134 	}
3135 
3136 exit:
3137 	return ret;
3138 }
3139 
3140 /*
3141  * [IMPORTANT] This function run in interrupt context
3142  *
3143  * The null data packet would be sent without power bit,
3144  * and not guarantee success.
3145  */
issue_nulldata_in_interrupt(struct adapter * padapter,u8 * da)3146 s32 issue_nulldata_in_interrupt(struct adapter *padapter, u8 *da)
3147 {
3148 	struct mlme_ext_priv *pmlmeext;
3149 	struct mlme_ext_info *pmlmeinfo;
3150 
3151 
3152 	pmlmeext = &padapter->mlmeextpriv;
3153 	pmlmeinfo = &pmlmeext->mlmext_info;
3154 
3155 	/* da == NULL, assume it's null data for sta to ap*/
3156 	if (!da)
3157 		da = get_my_bssid(&(pmlmeinfo->network));
3158 
3159 	return _issue_nulldata(padapter, da, 0, false);
3160 }
3161 
3162 /* when wait_ack is true, this function should be called at process context */
_issue_qos_nulldata(struct adapter * padapter,unsigned char * da,u16 tid,bool wait_ack)3163 static int _issue_qos_nulldata(struct adapter *padapter, unsigned char *da,
3164 			       u16 tid, bool wait_ack)
3165 {
3166 	int ret = _FAIL;
3167 	struct xmit_frame			*pmgntframe;
3168 	struct pkt_attrib			*pattrib;
3169 	unsigned char 				*pframe;
3170 	struct ieee80211_hdr	*pwlanhdr;
3171 	__le16 *fctrl;
3172 	u16 *qc;
3173 	struct xmit_priv 		*pxmitpriv = &(padapter->xmitpriv);
3174 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3175 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3176 
3177 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3178 	if (!pmgntframe)
3179 		goto exit;
3180 
3181 	/* update attribute */
3182 	pattrib = &pmgntframe->attrib;
3183 	update_mgntframe_attrib(padapter, pattrib);
3184 
3185 	pattrib->hdrlen += 2;
3186 	pattrib->qos_en = true;
3187 	pattrib->eosp = 1;
3188 	pattrib->ack_policy = 0;
3189 	pattrib->mdata = 0;
3190 
3191 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3192 
3193 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3194 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3195 
3196 	fctrl = &(pwlanhdr->frame_control);
3197 	*(fctrl) = 0;
3198 
3199 	if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
3200 		SetFrDs(fctrl);
3201 	else if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE)
3202 		SetToDs(fctrl);
3203 
3204 	qc = (unsigned short *)(pframe + pattrib->hdrlen - 2);
3205 
3206 	SetPriority(qc, tid);
3207 
3208 	SetEOSP(qc, pattrib->eosp);
3209 
3210 	SetAckpolicy(qc, pattrib->ack_policy);
3211 
3212 	memcpy(pwlanhdr->addr1, da, ETH_ALEN);
3213 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3214 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3215 
3216 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3217 	pmlmeext->mgnt_seq++;
3218 	SetFrameSubType(pframe, WIFI_QOS_DATA_NULL);
3219 
3220 	pframe += sizeof(struct ieee80211_qos_hdr);
3221 	pattrib->pktlen = sizeof(struct ieee80211_qos_hdr);
3222 
3223 	pattrib->last_txcmdsz = pattrib->pktlen;
3224 
3225 	if (wait_ack) {
3226 		ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe);
3227 	} else {
3228 		dump_mgntframe(padapter, pmgntframe);
3229 		ret = _SUCCESS;
3230 	}
3231 
3232 exit:
3233 	return ret;
3234 }
3235 
3236 /* when wait_ms >0 , this function should be called at process context */
3237 /* da == NULL for station mode */
issue_qos_nulldata(struct adapter * padapter,unsigned char * da,u16 tid,int try_cnt,int wait_ms)3238 int issue_qos_nulldata(struct adapter *padapter, unsigned char *da, u16 tid, int try_cnt, int wait_ms)
3239 {
3240 	int ret;
3241 	int i = 0;
3242 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3243 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3244 
3245 	/* da == NULL, assume it's null data for sta to ap*/
3246 	if (!da)
3247 		da = get_my_bssid(&(pmlmeinfo->network));
3248 
3249 	do {
3250 		ret = _issue_qos_nulldata(padapter, da, tid, wait_ms > 0);
3251 
3252 		i++;
3253 
3254 		if (padapter->bDriverStopped || padapter->bSurpriseRemoved)
3255 			break;
3256 
3257 		if (i < try_cnt && wait_ms > 0 && ret == _FAIL)
3258 			msleep(wait_ms);
3259 
3260 	} while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0)));
3261 
3262 	if (ret != _FAIL) {
3263 		ret = _SUCCESS;
3264 		#ifndef DBG_XMIT_ACK
3265 		goto exit;
3266 		#endif
3267 	}
3268 
3269 exit:
3270 	return ret;
3271 }
3272 
_issue_deauth(struct adapter * padapter,unsigned char * da,unsigned short reason,bool wait_ack)3273 static int _issue_deauth(struct adapter *padapter, unsigned char *da,
3274 			 unsigned short reason, bool wait_ack)
3275 {
3276 	struct xmit_frame			*pmgntframe;
3277 	struct pkt_attrib			*pattrib;
3278 	unsigned char 				*pframe;
3279 	struct ieee80211_hdr	*pwlanhdr;
3280 	__le16 *fctrl;
3281 	struct xmit_priv 		*pxmitpriv = &(padapter->xmitpriv);
3282 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3283 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3284 	int ret = _FAIL;
3285 	__le16 le_tmp;
3286 
3287 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3288 	if (!pmgntframe)
3289 		goto exit;
3290 
3291 	/* update attribute */
3292 	pattrib = &pmgntframe->attrib;
3293 	update_mgntframe_attrib(padapter, pattrib);
3294 	pattrib->retry_ctrl = false;
3295 
3296 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3297 
3298 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3299 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3300 
3301 	fctrl = &(pwlanhdr->frame_control);
3302 	*(fctrl) = 0;
3303 
3304 	memcpy(pwlanhdr->addr1, da, ETH_ALEN);
3305 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3306 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3307 
3308 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3309 	pmlmeext->mgnt_seq++;
3310 	SetFrameSubType(pframe, WIFI_DEAUTH);
3311 
3312 	pframe += sizeof(struct ieee80211_hdr_3addr);
3313 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
3314 
3315 	le_tmp = cpu_to_le16(reason);
3316 	pframe = rtw_set_fixed_ie(pframe, _RSON_CODE_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
3317 
3318 	pattrib->last_txcmdsz = pattrib->pktlen;
3319 
3320 
3321 	if (wait_ack) {
3322 		ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe);
3323 	} else {
3324 		dump_mgntframe(padapter, pmgntframe);
3325 		ret = _SUCCESS;
3326 	}
3327 
3328 exit:
3329 	return ret;
3330 }
3331 
issue_deauth(struct adapter * padapter,unsigned char * da,unsigned short reason)3332 int issue_deauth(struct adapter *padapter, unsigned char *da, unsigned short reason)
3333 {
3334 	return _issue_deauth(padapter, da, reason, false);
3335 }
3336 
issue_deauth_ex(struct adapter * padapter,u8 * da,unsigned short reason,int try_cnt,int wait_ms)3337 int issue_deauth_ex(struct adapter *padapter, u8 *da, unsigned short reason, int try_cnt,
3338 	int wait_ms)
3339 {
3340 	int ret;
3341 	int i = 0;
3342 
3343 	do {
3344 		ret = _issue_deauth(padapter, da, reason, wait_ms > 0);
3345 
3346 		i++;
3347 
3348 		if (padapter->bDriverStopped || padapter->bSurpriseRemoved)
3349 			break;
3350 
3351 		if (i < try_cnt && wait_ms > 0 && ret == _FAIL)
3352 			mdelay(wait_ms);
3353 
3354 	} while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0)));
3355 
3356 	if (ret != _FAIL) {
3357 		ret = _SUCCESS;
3358 		#ifndef DBG_XMIT_ACK
3359 		goto exit;
3360 		#endif
3361 	}
3362 
3363 exit:
3364 	return ret;
3365 }
3366 
issue_action_SA_Query(struct adapter * padapter,unsigned char * raddr,unsigned char action,unsigned short tid)3367 void issue_action_SA_Query(struct adapter *padapter, unsigned char *raddr, unsigned char action, unsigned short tid)
3368 {
3369 	u8 category = RTW_WLAN_CATEGORY_SA_QUERY;
3370 	struct xmit_frame		*pmgntframe;
3371 	struct pkt_attrib		*pattrib;
3372 	u8 			*pframe;
3373 	struct ieee80211_hdr	*pwlanhdr;
3374 	__le16 *fctrl;
3375 	struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv);
3376 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3377 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3378 	__le16 le_tmp;
3379 
3380 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3381 	if (!pmgntframe)
3382 		return;
3383 
3384 	/* update attribute */
3385 	pattrib = &pmgntframe->attrib;
3386 	update_mgntframe_attrib(padapter, pattrib);
3387 
3388 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3389 
3390 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3391 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3392 
3393 	fctrl = &(pwlanhdr->frame_control);
3394 	*(fctrl) = 0;
3395 
3396 	if (raddr)
3397 		memcpy(pwlanhdr->addr1, raddr, ETH_ALEN);
3398 	else
3399 		memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3400 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3401 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3402 
3403 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3404 	pmlmeext->mgnt_seq++;
3405 	SetFrameSubType(pframe, WIFI_ACTION);
3406 
3407 	pframe += sizeof(struct ieee80211_hdr_3addr);
3408 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
3409 
3410 	pframe = rtw_set_fixed_ie(pframe, 1, &category, &pattrib->pktlen);
3411 	pframe = rtw_set_fixed_ie(pframe, 1, &action, &pattrib->pktlen);
3412 
3413 	switch (action) {
3414 	case 0: /* SA Query req */
3415 		pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)&pmlmeext->sa_query_seq, &pattrib->pktlen);
3416 		pmlmeext->sa_query_seq++;
3417 		/* send sa query request to AP, AP should reply sa query response in 1 second */
3418 		set_sa_query_timer(pmlmeext, 1000);
3419 		break;
3420 
3421 	case 1: /* SA Query rsp */
3422 		le_tmp = cpu_to_le16(tid);
3423 		pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)&le_tmp, &pattrib->pktlen);
3424 		break;
3425 	default:
3426 		break;
3427 	}
3428 
3429 	pattrib->last_txcmdsz = pattrib->pktlen;
3430 
3431 	dump_mgntframe(padapter, pmgntframe);
3432 }
3433 
issue_action_BA(struct adapter * padapter,unsigned char * raddr,unsigned char action,unsigned short status)3434 void issue_action_BA(struct adapter *padapter, unsigned char *raddr, unsigned char action, unsigned short status)
3435 {
3436 	u8 category = RTW_WLAN_CATEGORY_BACK;
3437 	u16 start_seq;
3438 	u16 BA_para_set;
3439 	u16 reason_code;
3440 	u16 BA_timeout_value;
3441 	u16 BA_starting_seqctrl = 0;
3442 	enum ieee80211_max_ampdu_length_exp max_rx_ampdu_factor;
3443 	struct xmit_frame		*pmgntframe;
3444 	struct pkt_attrib		*pattrib;
3445 	u8 			*pframe;
3446 	struct ieee80211_hdr	*pwlanhdr;
3447 	__le16 *fctrl;
3448 	struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv);
3449 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3450 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3451 	struct sta_info 	*psta;
3452 	struct sta_priv 	*pstapriv = &padapter->stapriv;
3453 	struct registry_priv 	*pregpriv = &padapter->registrypriv;
3454 	__le16 le_tmp;
3455 
3456 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3457 	if (!pmgntframe)
3458 		return;
3459 
3460 	/* update attribute */
3461 	pattrib = &pmgntframe->attrib;
3462 	update_mgntframe_attrib(padapter, pattrib);
3463 
3464 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3465 
3466 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3467 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3468 
3469 	fctrl = &(pwlanhdr->frame_control);
3470 	*(fctrl) = 0;
3471 
3472 	/* memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); */
3473 	memcpy(pwlanhdr->addr1, raddr, ETH_ALEN);
3474 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3475 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3476 
3477 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3478 	pmlmeext->mgnt_seq++;
3479 	SetFrameSubType(pframe, WIFI_ACTION);
3480 
3481 	pframe += sizeof(struct ieee80211_hdr_3addr);
3482 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
3483 
3484 	pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen));
3485 	pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen));
3486 
3487 	if (category == 3) {
3488 		switch (action) {
3489 		case 0: /* ADDBA req */
3490 			do {
3491 				pmlmeinfo->dialogToken++;
3492 			} while (pmlmeinfo->dialogToken == 0);
3493 			pframe = rtw_set_fixed_ie(pframe, 1, &(pmlmeinfo->dialogToken), &(pattrib->pktlen));
3494 
3495 			if (hal_btcoex_IsBTCoexCtrlAMPDUSize(padapter)) {
3496 				/*  A-MSDU NOT Supported */
3497 				BA_para_set = 0;
3498 				/*  immediate Block Ack */
3499 				BA_para_set |= BIT(1) & IEEE80211_ADDBA_PARAM_POLICY_MASK;
3500 				/*  TID */
3501 				BA_para_set |= (status << 2) & IEEE80211_ADDBA_PARAM_TID_MASK;
3502 				/*  max buffer size is 8 MSDU */
3503 				BA_para_set |= (8 << 6) & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK;
3504 			} else {
3505 				BA_para_set = (0x1002 | ((status & 0xf) << 2)); /* immediate ack & 64 buffer size */
3506 			}
3507 			le_tmp = cpu_to_le16(BA_para_set);
3508 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
3509 
3510 			BA_timeout_value = 5000;/*  5ms */
3511 			le_tmp = cpu_to_le16(BA_timeout_value);
3512 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
3513 
3514 			/* if ((psta = rtw_get_stainfo(pstapriv, pmlmeinfo->network.mac_address)) != NULL) */
3515 			psta = rtw_get_stainfo(pstapriv, raddr);
3516 			if (psta) {
3517 				start_seq = (psta->sta_xmitpriv.txseq_tid[status & 0x07]&0xfff) + 1;
3518 
3519 				psta->BA_starting_seqctrl[status & 0x07] = start_seq;
3520 
3521 				BA_starting_seqctrl = start_seq << 4;
3522 			}
3523 
3524 			le_tmp = cpu_to_le16(BA_starting_seqctrl);
3525 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
3526 			break;
3527 
3528 		case 1: /* ADDBA rsp */
3529 			pframe = rtw_set_fixed_ie(pframe, 1, &(pmlmeinfo->ADDBA_req.dialog_token), &(pattrib->pktlen));
3530 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&status), &(pattrib->pktlen));
3531 			if (padapter->driver_rx_ampdu_factor != 0xFF)
3532 				max_rx_ampdu_factor =
3533 				  (enum ieee80211_max_ampdu_length_exp)padapter->driver_rx_ampdu_factor;
3534 			else
3535 				rtw_hal_get_def_var(padapter,
3536 						    HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor);
3537 
3538 			if (max_rx_ampdu_factor == IEEE80211_HT_MAX_AMPDU_64K)
3539 				BA_para_set = ((le16_to_cpu(pmlmeinfo->ADDBA_req.BA_para_set) & 0x3f) | 0x1000); /* 64 buffer size */
3540 			else if (max_rx_ampdu_factor == IEEE80211_HT_MAX_AMPDU_32K)
3541 				BA_para_set = ((le16_to_cpu(pmlmeinfo->ADDBA_req.BA_para_set) & 0x3f) | 0x0800); /* 32 buffer size */
3542 			else if (max_rx_ampdu_factor == IEEE80211_HT_MAX_AMPDU_16K)
3543 				BA_para_set = ((le16_to_cpu(pmlmeinfo->ADDBA_req.BA_para_set) & 0x3f) | 0x0400); /* 16 buffer size */
3544 			else if (max_rx_ampdu_factor == IEEE80211_HT_MAX_AMPDU_8K)
3545 				BA_para_set = ((le16_to_cpu(pmlmeinfo->ADDBA_req.BA_para_set) & 0x3f) | 0x0200); /* 8 buffer size */
3546 			else
3547 				BA_para_set = ((le16_to_cpu(pmlmeinfo->ADDBA_req.BA_para_set) & 0x3f) | 0x1000); /* 64 buffer size */
3548 
3549 			if (hal_btcoex_IsBTCoexCtrlAMPDUSize(padapter) &&
3550 			    padapter->driver_rx_ampdu_factor == 0xFF) {
3551 				/*  max buffer size is 8 MSDU */
3552 				BA_para_set &= ~IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK;
3553 				BA_para_set |= (8 << 6) & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK;
3554 			}
3555 
3556 			if (pregpriv->ampdu_amsdu == 0)/* disabled */
3557 				le_tmp = cpu_to_le16(BA_para_set & ~BIT(0));
3558 			else if (pregpriv->ampdu_amsdu == 1)/* enabled */
3559 				le_tmp = cpu_to_le16(BA_para_set | BIT(0));
3560 			else /* auto */
3561 				le_tmp = cpu_to_le16(BA_para_set);
3562 
3563 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
3564 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(pmlmeinfo->ADDBA_req.BA_timeout_value)), &(pattrib->pktlen));
3565 			break;
3566 		case 2:/* DELBA */
3567 			BA_para_set = (status & 0x1F) << 3;
3568 			le_tmp = cpu_to_le16(BA_para_set);
3569 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
3570 
3571 			reason_code = 37;
3572 			le_tmp = cpu_to_le16(reason_code);
3573 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
3574 			break;
3575 		default:
3576 			break;
3577 		}
3578 	}
3579 
3580 	pattrib->last_txcmdsz = pattrib->pktlen;
3581 
3582 	dump_mgntframe(padapter, pmgntframe);
3583 }
3584 
issue_action_BSSCoexistPacket(struct adapter * padapter)3585 static void issue_action_BSSCoexistPacket(struct adapter *padapter)
3586 {
3587 	struct list_head		*plist, *phead;
3588 	unsigned char category, action;
3589 	struct xmit_frame			*pmgntframe;
3590 	struct pkt_attrib			*pattrib;
3591 	unsigned char 			*pframe;
3592 	struct ieee80211_hdr	*pwlanhdr;
3593 	__le16 *fctrl;
3594 	struct	wlan_network	*pnetwork = NULL;
3595 	struct xmit_priv 		*pxmitpriv = &(padapter->xmitpriv);
3596 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
3597 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3598 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3599 	struct __queue		*queue	= &(pmlmepriv->scanned_queue);
3600 	u8 InfoContent[16] = {0};
3601 	u8 ICS[8][15];
3602 
3603 	if ((pmlmepriv->num_FortyMHzIntolerant == 0) || (pmlmepriv->num_sta_no_ht == 0))
3604 		return;
3605 
3606 	if (true == pmlmeinfo->bwmode_updated)
3607 		return;
3608 
3609 	category = RTW_WLAN_CATEGORY_PUBLIC;
3610 	action = ACT_PUBLIC_BSSCOEXIST;
3611 
3612 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3613 	if (!pmgntframe)
3614 		return;
3615 
3616 	/* update attribute */
3617 	pattrib = &pmgntframe->attrib;
3618 	update_mgntframe_attrib(padapter, pattrib);
3619 
3620 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3621 
3622 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3623 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3624 
3625 	fctrl = &(pwlanhdr->frame_control);
3626 	*(fctrl) = 0;
3627 
3628 	memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3629 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3630 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3631 
3632 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3633 	pmlmeext->mgnt_seq++;
3634 	SetFrameSubType(pframe, WIFI_ACTION);
3635 
3636 	pframe += sizeof(struct ieee80211_hdr_3addr);
3637 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
3638 
3639 	pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen));
3640 	pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen));
3641 
3642 
3643 	/*  */
3644 	if (pmlmepriv->num_FortyMHzIntolerant > 0) {
3645 		u8 iedata = 0;
3646 
3647 		iedata |= BIT(2);/* 20 MHz BSS Width Request */
3648 
3649 		pframe = rtw_set_ie(pframe, WLAN_EID_BSS_COEX_2040,  1, &iedata, &(pattrib->pktlen));
3650 
3651 	}
3652 
3653 
3654 	/*  */
3655 	memset(ICS, 0, sizeof(ICS));
3656 	if (pmlmepriv->num_sta_no_ht > 0) {
3657 		int i;
3658 
3659 		spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
3660 
3661 		phead = get_list_head(queue);
3662 		plist = get_next(phead);
3663 
3664 		while (1) {
3665 			int len;
3666 			u8 *p;
3667 			struct wlan_bssid_ex *pbss_network;
3668 
3669 			if (phead == plist)
3670 				break;
3671 
3672 			pnetwork = container_of(plist, struct wlan_network, list);
3673 
3674 			plist = get_next(plist);
3675 
3676 			pbss_network = (struct wlan_bssid_ex *)&pnetwork->network;
3677 
3678 			p = rtw_get_ie(pbss_network->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, pbss_network->ie_length - _FIXED_IE_LENGTH_);
3679 			if (!p || len == 0) {/* non-HT */
3680 
3681 				if (pbss_network->configuration.ds_config <= 0)
3682 					continue;
3683 
3684 				ICS[0][pbss_network->configuration.ds_config] = 1;
3685 
3686 				if (ICS[0][0] == 0)
3687 					ICS[0][0] = 1;
3688 			}
3689 
3690 		}
3691 
3692 		spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
3693 
3694 
3695 		for (i = 0; i < 8; i++) {
3696 			if (ICS[i][0] == 1) {
3697 				int j, k = 0;
3698 
3699 				InfoContent[k] = i;
3700 				/* SET_BSS_INTOLERANT_ELE_REG_CLASS(InfoContent, i); */
3701 				k++;
3702 
3703 				for (j = 1; j <= 14; j++) {
3704 					if (ICS[i][j] == 1) {
3705 						if (k < 16) {
3706 							InfoContent[k] = j; /* channel number */
3707 							/* SET_BSS_INTOLERANT_ELE_CHANNEL(InfoContent+k, j); */
3708 							k++;
3709 						}
3710 					}
3711 				}
3712 
3713 				pframe = rtw_set_ie(pframe, WLAN_EID_BSS_INTOLERANT_CHL_REPORT, k, InfoContent, &(pattrib->pktlen));
3714 
3715 			}
3716 
3717 		}
3718 
3719 
3720 	}
3721 
3722 
3723 	pattrib->last_txcmdsz = pattrib->pktlen;
3724 
3725 	dump_mgntframe(padapter, pmgntframe);
3726 }
3727 
send_delba(struct adapter * padapter,u8 initiator,u8 * addr)3728 unsigned int send_delba(struct adapter *padapter, u8 initiator, u8 *addr)
3729 {
3730 	struct sta_priv *pstapriv = &padapter->stapriv;
3731 	struct sta_info *psta = NULL;
3732 	/* struct recv_reorder_ctrl *preorder_ctrl; */
3733 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
3734 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3735 	u16 tid;
3736 
3737 	if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
3738 		if (!(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS))
3739 			return _SUCCESS;
3740 
3741 	psta = rtw_get_stainfo(pstapriv, addr);
3742 	if (!psta)
3743 		return _SUCCESS;
3744 
3745 	if (initiator == 0) {/*  recipient */
3746 		for (tid = 0; tid < MAXTID; tid++) {
3747 			if (psta->recvreorder_ctrl[tid].enable) {
3748 				issue_action_BA(padapter, addr, WLAN_ACTION_DELBA, (((tid << 1) | initiator)&0x1F));
3749 				psta->recvreorder_ctrl[tid].enable = false;
3750 				psta->recvreorder_ctrl[tid].indicate_seq = 0xffff;
3751 			}
3752 		}
3753 	} else if (initiator == 1) {/*  originator */
3754 		for (tid = 0; tid < MAXTID; tid++) {
3755 			if (psta->htpriv.agg_enable_bitmap & BIT(tid)) {
3756 				issue_action_BA(padapter, addr, WLAN_ACTION_DELBA, (((tid << 1) | initiator)&0x1F));
3757 				psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
3758 				psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
3759 
3760 			}
3761 		}
3762 	}
3763 
3764 	return _SUCCESS;
3765 
3766 }
3767 
send_beacon(struct adapter * padapter)3768 unsigned int send_beacon(struct adapter *padapter)
3769 {
3770 	u8 bxmitok = false;
3771 	int	issue = 0;
3772 	int poll = 0;
3773 
3774 	rtw_hal_set_hwreg(padapter, HW_VAR_BCN_VALID, NULL);
3775 	rtw_hal_set_hwreg(padapter, HW_VAR_DL_BCN_SEL, NULL);
3776 	do {
3777 		issue_beacon(padapter, 100);
3778 		issue++;
3779 		do {
3780 			cond_resched();
3781 			rtw_hal_get_hwreg(padapter, HW_VAR_BCN_VALID, (u8 *)(&bxmitok));
3782 			poll++;
3783 		} while ((poll%10) != 0 && false == bxmitok && !padapter->bSurpriseRemoved && !padapter->bDriverStopped);
3784 
3785 	} while (false == bxmitok && issue < 100 && !padapter->bSurpriseRemoved && !padapter->bDriverStopped);
3786 
3787 	if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
3788 		return _FAIL;
3789 
3790 	if (!bxmitok)
3791 		return _FAIL;
3792 	else
3793 		return _SUCCESS;
3794 }
3795 
3796 /****************************************************************************
3797 
3798 Following are some utility functions for WiFi MLME
3799 
3800 *****************************************************************************/
3801 
site_survey(struct adapter * padapter)3802 void site_survey(struct adapter *padapter)
3803 {
3804 	unsigned char 	survey_channel = 0, val8;
3805 	enum rt_scan_type	ScanType = SCAN_PASSIVE;
3806 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
3807 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3808 	u32 initialgain = 0;
3809 	u32 channel_scan_time_ms = 0;
3810 
3811 	{
3812 		struct rtw_ieee80211_channel *ch;
3813 
3814 		if (pmlmeext->sitesurvey_res.channel_idx < pmlmeext->sitesurvey_res.ch_num) {
3815 			ch = &pmlmeext->sitesurvey_res.ch[pmlmeext->sitesurvey_res.channel_idx];
3816 			survey_channel = ch->hw_value;
3817 			ScanType = (ch->flags & RTW_IEEE80211_CHAN_PASSIVE_SCAN) ? SCAN_PASSIVE : SCAN_ACTIVE;
3818 		}
3819 	}
3820 
3821 	if (survey_channel != 0) {
3822 		/* PAUSE 4-AC Queue when site_survey */
3823 		/* rtw_hal_get_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */
3824 		/* val8 |= 0x0f; */
3825 		/* rtw_hal_set_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */
3826 		if (pmlmeext->sitesurvey_res.channel_idx == 0) {
3827 #ifdef DBG_FIXED_CHAN
3828 			if (pmlmeext->fixed_chan != 0xff)
3829 				set_channel_bwmode(padapter, pmlmeext->fixed_chan, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
3830 			else
3831 #endif
3832 				set_channel_bwmode(padapter, survey_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
3833 		} else {
3834 #ifdef DBG_FIXED_CHAN
3835 			if (pmlmeext->fixed_chan != 0xff)
3836 				SelectChannel(padapter, pmlmeext->fixed_chan);
3837 			else
3838 #endif
3839 				SelectChannel(padapter, survey_channel);
3840 		}
3841 
3842 		if (ScanType == SCAN_ACTIVE) { /* obey the channel plan setting... */
3843 			{
3844 				int i;
3845 
3846 				for (i = 0; i < RTW_SSID_SCAN_AMOUNT; i++) {
3847 					if (pmlmeext->sitesurvey_res.ssid[i].ssid_length) {
3848 						/* IOT issue, When wifi_spec is not set, send one probe req without WPS IE. */
3849 						if (padapter->registrypriv.wifi_spec)
3850 							issue_probereq(padapter, &(pmlmeext->sitesurvey_res.ssid[i]), NULL);
3851 						else
3852 							issue_probereq_ex(padapter, &(pmlmeext->sitesurvey_res.ssid[i]), NULL, 0, 0, 0, 0);
3853 						issue_probereq(padapter, &(pmlmeext->sitesurvey_res.ssid[i]), NULL);
3854 					}
3855 				}
3856 
3857 				if (pmlmeext->sitesurvey_res.scan_mode == SCAN_ACTIVE) {
3858 					/* IOT issue, When wifi_spec is not set, send one probe req without WPS IE. */
3859 					if (padapter->registrypriv.wifi_spec)
3860 						issue_probereq(padapter, NULL, NULL);
3861 					else
3862 						issue_probereq_ex(padapter, NULL, NULL, 0, 0, 0, 0);
3863 					issue_probereq(padapter, NULL, NULL);
3864 				}
3865 			}
3866 		}
3867 
3868 		channel_scan_time_ms = pmlmeext->chan_scan_time;
3869 
3870 		set_survey_timer(pmlmeext, channel_scan_time_ms);
3871 	} else {
3872 
3873 		/* 	channel number is 0 or this channel is not valid. */
3874 
3875 		{
3876 			pmlmeext->sitesurvey_res.state = SCAN_COMPLETE;
3877 
3878 			/* switch back to the original channel */
3879 			/* SelectChannel(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset); */
3880 
3881 			set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
3882 
3883 			/* flush 4-AC Queue after site_survey */
3884 			/* val8 = 0; */
3885 			/* rtw_hal_set_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */
3886 
3887 			/* config MSR */
3888 			Set_MSR(padapter, (pmlmeinfo->state & 0x3));
3889 
3890 			initialgain = 0xff; /* restore RX GAIN */
3891 			rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain));
3892 			/* turn on dynamic functions */
3893 			Restore_DM_Func_Flag(padapter);
3894 			/* Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true); */
3895 
3896 			if (is_client_associated_to_ap(padapter))
3897 				issue_nulldata(padapter, NULL, 0, 3, 500);
3898 
3899 			val8 = 0; /* survey done */
3900 			rtw_hal_set_hwreg(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
3901 
3902 			report_surveydone_event(padapter);
3903 
3904 			pmlmeext->chan_scan_time = SURVEY_TO;
3905 			pmlmeext->sitesurvey_res.state = SCAN_DISABLE;
3906 
3907 			issue_action_BSSCoexistPacket(padapter);
3908 			issue_action_BSSCoexistPacket(padapter);
3909 			issue_action_BSSCoexistPacket(padapter);
3910 		}
3911 	}
3912 
3913 	return;
3914 
3915 }
3916 
3917 /* collect bss info from Beacon and Probe request/response frames. */
collect_bss_info(struct adapter * padapter,union recv_frame * precv_frame,struct wlan_bssid_ex * bssid)3918 u8 collect_bss_info(struct adapter *padapter, union recv_frame *precv_frame, struct wlan_bssid_ex *bssid)
3919 {
3920 	int	i;
3921 	u32 len;
3922 	u8 *p;
3923 	u16 val16, subtype;
3924 	u8 *pframe = precv_frame->u.hdr.rx_data;
3925 	u32 packet_len = precv_frame->u.hdr.len;
3926 	u8 ie_offset;
3927 	struct registry_priv *pregistrypriv = &padapter->registrypriv;
3928 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
3929 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3930 	__le32 le32_tmp;
3931 
3932 	len = packet_len - sizeof(struct ieee80211_hdr_3addr);
3933 
3934 	if (len > MAX_IE_SZ)
3935 		return _FAIL;
3936 
3937 	memset(bssid, 0, sizeof(struct wlan_bssid_ex));
3938 
3939 	subtype = GetFrameSubType(pframe);
3940 
3941 	if (subtype == WIFI_BEACON) {
3942 		bssid->reserved[0] = 1;
3943 		ie_offset = _BEACON_IE_OFFSET_;
3944 	} else {
3945 		/*  FIXME : more type */
3946 		if (subtype == WIFI_PROBERSP) {
3947 			ie_offset = _PROBERSP_IE_OFFSET_;
3948 			bssid->reserved[0] = 3;
3949 		} else if (subtype == WIFI_PROBEREQ) {
3950 			ie_offset = _PROBEREQ_IE_OFFSET_;
3951 			bssid->reserved[0] = 2;
3952 		} else {
3953 			bssid->reserved[0] = 0;
3954 			ie_offset = _FIXED_IE_LENGTH_;
3955 		}
3956 	}
3957 
3958 	bssid->length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
3959 
3960 	/* below is to copy the information element */
3961 	bssid->ie_length = len;
3962 	memcpy(bssid->ies, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->ie_length);
3963 
3964 	/* get the signal strength */
3965 	bssid->rssi = precv_frame->u.hdr.attrib.phy_info.RecvSignalPower; /*  in dBM.raw data */
3966 	bssid->phy_info.signal_quality = precv_frame->u.hdr.attrib.phy_info.SignalQuality;/* in percentage */
3967 	bssid->phy_info.signal_strength = precv_frame->u.hdr.attrib.phy_info.SignalStrength;/* in percentage */
3968 
3969 	/*  checking SSID */
3970 	p = rtw_get_ie(bssid->ies + ie_offset, WLAN_EID_SSID, &len, bssid->ie_length - ie_offset);
3971 	if (!p)
3972 		return _FAIL;
3973 
3974 	if (*(p + 1)) {
3975 		if (len > NDIS_802_11_LENGTH_SSID)
3976 			return _FAIL;
3977 
3978 		memcpy(bssid->ssid.ssid, (p + 2), *(p + 1));
3979 		bssid->ssid.ssid_length = *(p + 1);
3980 	} else
3981 		bssid->ssid.ssid_length = 0;
3982 
3983 	memset(bssid->supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
3984 
3985 	/* checking rate info... */
3986 	i = 0;
3987 	p = rtw_get_ie(bssid->ies + ie_offset, WLAN_EID_SUPP_RATES, &len, bssid->ie_length - ie_offset);
3988 	if (p) {
3989 		if (len > NDIS_802_11_LENGTH_RATES_EX)
3990 			return _FAIL;
3991 
3992 		memcpy(bssid->supported_rates, (p + 2), len);
3993 		i = len;
3994 	}
3995 
3996 	p = rtw_get_ie(bssid->ies + ie_offset, WLAN_EID_EXT_SUPP_RATES, &len, bssid->ie_length - ie_offset);
3997 	if (p) {
3998 		if (len > (NDIS_802_11_LENGTH_RATES_EX-i))
3999 			return _FAIL;
4000 
4001 		memcpy(bssid->supported_rates + i, (p + 2), len);
4002 	}
4003 
4004 	bssid->network_type_in_use = Ndis802_11OFDM24;
4005 
4006 	if (bssid->ie_length < 12)
4007 		return _FAIL;
4008 
4009 	/*  Checking for ds_config */
4010 	p = rtw_get_ie(bssid->ies + ie_offset, WLAN_EID_DS_PARAMS, &len, bssid->ie_length - ie_offset);
4011 
4012 	bssid->configuration.ds_config = 0;
4013 	bssid->configuration.length = 0;
4014 
4015 	if (p) {
4016 		bssid->configuration.ds_config = *(p + 2);
4017 	} else {
4018 		/*  In 5G, some ap do not have DSSET IE */
4019 		/*  checking HT info for channel */
4020 		p = rtw_get_ie(bssid->ies + ie_offset, WLAN_EID_HT_OPERATION, &len, bssid->ie_length - ie_offset);
4021 		if (p) {
4022 			struct HT_info_element *HT_info = (struct HT_info_element *)(p + 2);
4023 
4024 			bssid->configuration.ds_config = HT_info->primary_channel;
4025 		} else { /*  use current channel */
4026 			bssid->configuration.ds_config = rtw_get_oper_ch(padapter);
4027 		}
4028 	}
4029 
4030 	memcpy(&le32_tmp, rtw_get_beacon_interval_from_ie(bssid->ies), 2);
4031 	bssid->configuration.beacon_period = le32_to_cpu(le32_tmp);
4032 
4033 	val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
4034 
4035 	if (val16 & BIT(0)) {
4036 		bssid->infrastructure_mode = Ndis802_11Infrastructure;
4037 		memcpy(bssid->mac_address, GetAddr2Ptr(pframe), ETH_ALEN);
4038 	} else {
4039 		bssid->infrastructure_mode = Ndis802_11IBSS;
4040 		memcpy(bssid->mac_address, GetAddr3Ptr(pframe), ETH_ALEN);
4041 	}
4042 
4043 	if (val16 & BIT(4))
4044 		bssid->privacy = 1;
4045 	else
4046 		bssid->privacy = 0;
4047 
4048 	bssid->configuration.atim_window = 0;
4049 
4050 	/* 20/40 BSS Coexistence check */
4051 	if ((pregistrypriv->wifi_spec == 1) && (false == pmlmeinfo->bwmode_updated)) {
4052 		struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
4053 
4054 		p = rtw_get_ie(bssid->ies + ie_offset, WLAN_EID_HT_CAPABILITY, &len, bssid->ie_length - ie_offset);
4055 		if (p && len > 0) {
4056 			struct HT_caps_element	*pHT_caps;
4057 
4058 			pHT_caps = (struct HT_caps_element	*)(p + 2);
4059 
4060 			if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & BIT(14))
4061 				pmlmepriv->num_FortyMHzIntolerant++;
4062 		} else
4063 			pmlmepriv->num_sta_no_ht++;
4064 	}
4065 
4066 	/*  mark bss info receiving from nearby channel as signal_quality 101 */
4067 	if (bssid->configuration.ds_config != rtw_get_oper_ch(padapter))
4068 		bssid->phy_info.signal_quality = 101;
4069 
4070 	return _SUCCESS;
4071 }
4072 
start_create_ibss(struct adapter * padapter)4073 void start_create_ibss(struct adapter *padapter)
4074 {
4075 	unsigned short	caps;
4076 	u8 val8;
4077 	u8 join_type;
4078 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4079 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4080 	struct wlan_bssid_ex		*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
4081 
4082 	pmlmeext->cur_channel = (u8)pnetwork->configuration.ds_config;
4083 	pmlmeinfo->bcn_interval = get_beacon_interval(pnetwork);
4084 
4085 	/* update wireless mode */
4086 	update_wireless_mode(padapter);
4087 
4088 	/* update capability */
4089 	caps = rtw_get_capability((struct wlan_bssid_ex *)pnetwork);
4090 	update_capinfo(padapter, caps);
4091 	if (caps&WLAN_CAPABILITY_IBSS) {/* adhoc master */
4092 		val8 = 0xcf;
4093 		rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
4094 
4095 		rtw_hal_set_hwreg(padapter, HW_VAR_DO_IQK, NULL);
4096 
4097 		/* switch channel */
4098 		/* SelectChannel(padapter, pmlmeext->cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE); */
4099 		set_channel_bwmode(padapter, pmlmeext->cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
4100 
4101 		beacon_timing_control(padapter);
4102 
4103 		/* set msr to WIFI_FW_ADHOC_STATE */
4104 		pmlmeinfo->state = WIFI_FW_ADHOC_STATE;
4105 		Set_MSR(padapter, (pmlmeinfo->state & 0x3));
4106 
4107 		/* issue beacon */
4108 		if (send_beacon(padapter) == _FAIL) {
4109 			report_join_res(padapter, -1);
4110 			pmlmeinfo->state = WIFI_FW_NULL_STATE;
4111 		} else {
4112 			rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, padapter->registrypriv.dev_network.mac_address);
4113 			join_type = 0;
4114 			rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
4115 
4116 			report_join_res(padapter, 1);
4117 			pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS;
4118 			rtw_indicate_connect(padapter);
4119 		}
4120 	} else {
4121 		return;
4122 	}
4123 	/* update bc/mc sta_info */
4124 	update_bmc_sta(padapter);
4125 
4126 }
4127 
start_clnt_join(struct adapter * padapter)4128 void start_clnt_join(struct adapter *padapter)
4129 {
4130 	unsigned short	caps;
4131 	u8 val8;
4132 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4133 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4134 	struct wlan_bssid_ex		*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
4135 	int beacon_timeout;
4136 
4137 	/* update wireless mode */
4138 	update_wireless_mode(padapter);
4139 
4140 	/* update capability */
4141 	caps = rtw_get_capability((struct wlan_bssid_ex *)pnetwork);
4142 	update_capinfo(padapter, caps);
4143 	if (caps&WLAN_CAPABILITY_ESS) {
4144 		Set_MSR(padapter, WIFI_FW_STATION_STATE);
4145 
4146 		val8 = (pmlmeinfo->auth_algo == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
4147 
4148 		rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
4149 
4150 		/*  Because of AP's not receiving deauth before */
4151 		/*  AP may: 1)not response auth or 2)deauth us after link is complete */
4152 		/*  issue deauth before issuing auth to deal with the situation */
4153 
4154 		/* 	Commented by Albert 2012/07/21 */
4155 		/* 	For the Win8 P2P connection, it will be hard to have a successful connection if this Wi-Fi doesn't connect to it. */
4156 		{
4157 				/* To avoid connecting to AP fail during resume process, change retry count from 5 to 1 */
4158 				issue_deauth_ex(padapter, pnetwork->mac_address, WLAN_REASON_DEAUTH_LEAVING, 1, 100);
4159 		}
4160 
4161 		/* here wait for receiving the beacon to start auth */
4162 		/* and enable a timer */
4163 		beacon_timeout = decide_wait_for_beacon_timeout(pmlmeinfo->bcn_interval);
4164 		set_link_timer(pmlmeext, beacon_timeout);
4165 		_set_timer(&padapter->mlmepriv.assoc_timer,
4166 			(REAUTH_TO * REAUTH_LIMIT) + (REASSOC_TO*REASSOC_LIMIT) + beacon_timeout);
4167 
4168 		pmlmeinfo->state = WIFI_FW_AUTH_NULL | WIFI_FW_STATION_STATE;
4169 	} else if (caps&WLAN_CAPABILITY_IBSS) { /* adhoc client */
4170 		Set_MSR(padapter, WIFI_FW_ADHOC_STATE);
4171 
4172 		val8 = 0xcf;
4173 		rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
4174 
4175 		beacon_timing_control(padapter);
4176 
4177 		pmlmeinfo->state = WIFI_FW_ADHOC_STATE;
4178 
4179 		report_join_res(padapter, 1);
4180 	} else {
4181 		return;
4182 	}
4183 
4184 }
4185 
start_clnt_auth(struct adapter * padapter)4186 void start_clnt_auth(struct adapter *padapter)
4187 {
4188 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4189 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4190 
4191 	del_timer_sync(&pmlmeext->link_timer);
4192 
4193 	pmlmeinfo->state &= (~WIFI_FW_AUTH_NULL);
4194 	pmlmeinfo->state |= WIFI_FW_AUTH_STATE;
4195 
4196 	pmlmeinfo->auth_seq = 1;
4197 	pmlmeinfo->reauth_count = 0;
4198 	pmlmeinfo->reassoc_count = 0;
4199 	pmlmeinfo->link_count = 0;
4200 	pmlmeext->retry = 0;
4201 
4202 
4203 	netdev_dbg(padapter->pnetdev, "start auth\n");
4204 	issue_auth(padapter, NULL, 0);
4205 
4206 	set_link_timer(pmlmeext, REAUTH_TO);
4207 
4208 }
4209 
4210 
start_clnt_assoc(struct adapter * padapter)4211 void start_clnt_assoc(struct adapter *padapter)
4212 {
4213 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4214 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4215 
4216 	del_timer_sync(&pmlmeext->link_timer);
4217 
4218 	pmlmeinfo->state &= (~(WIFI_FW_AUTH_NULL | WIFI_FW_AUTH_STATE));
4219 	pmlmeinfo->state |= (WIFI_FW_AUTH_SUCCESS | WIFI_FW_ASSOC_STATE);
4220 
4221 	issue_assocreq(padapter);
4222 
4223 	set_link_timer(pmlmeext, REASSOC_TO);
4224 }
4225 
receive_disconnect(struct adapter * padapter,unsigned char * MacAddr,unsigned short reason)4226 unsigned int receive_disconnect(struct adapter *padapter, unsigned char *MacAddr, unsigned short reason)
4227 {
4228 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4229 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4230 
4231 	/* check A3 */
4232 	if (!(!memcmp(MacAddr, get_my_bssid(&pmlmeinfo->network), ETH_ALEN)))
4233 		return _SUCCESS;
4234 
4235 	if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) {
4236 		if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) {
4237 			pmlmeinfo->state = WIFI_FW_NULL_STATE;
4238 			report_del_sta_event(padapter, MacAddr, reason);
4239 
4240 		} else if (pmlmeinfo->state & WIFI_FW_LINKING_STATE) {
4241 			pmlmeinfo->state = WIFI_FW_NULL_STATE;
4242 			report_join_res(padapter, -2);
4243 		}
4244 	}
4245 
4246 	return _SUCCESS;
4247 }
4248 
process_80211d(struct adapter * padapter,struct wlan_bssid_ex * bssid)4249 static void process_80211d(struct adapter *padapter, struct wlan_bssid_ex *bssid)
4250 {
4251 	struct registry_priv *pregistrypriv;
4252 	struct mlme_ext_priv *pmlmeext;
4253 	struct rt_channel_info *chplan_new;
4254 	u8 channel;
4255 	u8 i;
4256 
4257 
4258 	pregistrypriv = &padapter->registrypriv;
4259 	pmlmeext = &padapter->mlmeextpriv;
4260 
4261 	/*  Adjust channel plan by AP Country IE */
4262 	if (pregistrypriv->enable80211d &&
4263 		(!pmlmeext->update_channel_plan_by_ap_done)) {
4264 		u8 *ie, *p;
4265 		u32 len;
4266 		struct rt_channel_plan chplan_ap;
4267 		struct rt_channel_info chplan_sta[MAX_CHANNEL_NUM];
4268 		u8 country[4];
4269 		u8 fcn; /*  first channel number */
4270 		u8 noc; /*  number of channel */
4271 		u8 j, k;
4272 
4273 		ie = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_COUNTRY, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
4274 		if (!ie)
4275 			return;
4276 		if (len < 6)
4277 			return;
4278 
4279 		ie += 2;
4280 		p = ie;
4281 		ie += len;
4282 
4283 		memset(country, 0, 4);
4284 		memcpy(country, p, 3);
4285 		p += 3;
4286 
4287 		i = 0;
4288 		while ((ie - p) >= 3) {
4289 			fcn = *(p++);
4290 			noc = *(p++);
4291 			p++;
4292 
4293 			for (j = 0; j < noc; j++) {
4294 				if (fcn <= 14)
4295 					channel = fcn + j; /*  2.4 GHz */
4296 				else
4297 					channel = fcn + j*4; /*  5 GHz */
4298 
4299 				chplan_ap.Channel[i++] = channel;
4300 			}
4301 		}
4302 		chplan_ap.Len = i;
4303 
4304 		memcpy(chplan_sta, pmlmeext->channel_set, sizeof(chplan_sta));
4305 
4306 		memset(pmlmeext->channel_set, 0, sizeof(pmlmeext->channel_set));
4307 		chplan_new = pmlmeext->channel_set;
4308 
4309 		i = j = k = 0;
4310 		if (pregistrypriv->wireless_mode & WIRELESS_11G) {
4311 			do {
4312 				if ((i == MAX_CHANNEL_NUM) ||
4313 					(chplan_sta[i].ChannelNum == 0) ||
4314 					(chplan_sta[i].ChannelNum > 14))
4315 					break;
4316 
4317 				if ((j == chplan_ap.Len) || (chplan_ap.Channel[j] > 14))
4318 					break;
4319 
4320 				if (chplan_sta[i].ChannelNum == chplan_ap.Channel[j]) {
4321 					chplan_new[k].ChannelNum = chplan_ap.Channel[j];
4322 					chplan_new[k].ScanType = SCAN_ACTIVE;
4323 					i++;
4324 					j++;
4325 					k++;
4326 				} else if (chplan_sta[i].ChannelNum < chplan_ap.Channel[j]) {
4327 					chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
4328 /* 					chplan_new[k].ScanType = chplan_sta[i].ScanType; */
4329 					chplan_new[k].ScanType = SCAN_PASSIVE;
4330 					i++;
4331 					k++;
4332 				} else if (chplan_sta[i].ChannelNum > chplan_ap.Channel[j]) {
4333 					chplan_new[k].ChannelNum = chplan_ap.Channel[j];
4334 					chplan_new[k].ScanType = SCAN_ACTIVE;
4335 					j++;
4336 					k++;
4337 				}
4338 			} while (1);
4339 
4340 			/*  change AP not support channel to Passive scan */
4341 			while ((i < MAX_CHANNEL_NUM) &&
4342 				(chplan_sta[i].ChannelNum != 0) &&
4343 				(chplan_sta[i].ChannelNum <= 14)) {
4344 
4345 				chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
4346 /* 				chplan_new[k].ScanType = chplan_sta[i].ScanType; */
4347 				chplan_new[k].ScanType = SCAN_PASSIVE;
4348 				i++;
4349 				k++;
4350 			}
4351 
4352 			/*  add channel AP supported */
4353 			while ((j < chplan_ap.Len) && (chplan_ap.Channel[j] <= 14)) {
4354 				chplan_new[k].ChannelNum = chplan_ap.Channel[j];
4355 				chplan_new[k].ScanType = SCAN_ACTIVE;
4356 				j++;
4357 				k++;
4358 			}
4359 		} else {
4360 			/*  keep original STA 2.4G channel plan */
4361 			while ((i < MAX_CHANNEL_NUM) &&
4362 				(chplan_sta[i].ChannelNum != 0) &&
4363 				(chplan_sta[i].ChannelNum <= 14)) {
4364 				chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
4365 				chplan_new[k].ScanType = chplan_sta[i].ScanType;
4366 				i++;
4367 				k++;
4368 			}
4369 
4370 			/*  skip AP 2.4G channel plan */
4371 			while ((j < chplan_ap.Len) && (chplan_ap.Channel[j] <= 14))
4372 				j++;
4373 		}
4374 
4375 		pmlmeext->update_channel_plan_by_ap_done = 1;
4376 	}
4377 
4378 	/*  If channel is used by AP, set channel scan type to active */
4379 	channel = bssid->configuration.ds_config;
4380 	chplan_new = pmlmeext->channel_set;
4381 	i = 0;
4382 	while ((i < MAX_CHANNEL_NUM) && (chplan_new[i].ChannelNum != 0)) {
4383 		if (chplan_new[i].ChannelNum == channel) {
4384 			if (chplan_new[i].ScanType == SCAN_PASSIVE)
4385 				chplan_new[i].ScanType = SCAN_ACTIVE;
4386 			break;
4387 		}
4388 		i++;
4389 	}
4390 }
4391 
4392 /****************************************************************************
4393 
4394 Following are the functions to report events
4395 
4396 *****************************************************************************/
4397 
report_survey_event(struct adapter * padapter,union recv_frame * precv_frame)4398 void report_survey_event(struct adapter *padapter, union recv_frame *precv_frame)
4399 {
4400 	struct cmd_obj *pcmd_obj;
4401 	u8 *pevtcmd;
4402 	u32 cmdsz;
4403 	struct survey_event	*psurvey_evt;
4404 	struct C2HEvent_Header *pc2h_evt_hdr;
4405 	struct mlme_ext_priv *pmlmeext;
4406 	struct cmd_priv *pcmdpriv;
4407 	/* u8 *pframe = precv_frame->u.hdr.rx_data; */
4408 	/* uint len = precv_frame->u.hdr.len; */
4409 
4410 	if (!padapter)
4411 		return;
4412 
4413 	pmlmeext = &padapter->mlmeextpriv;
4414 	pcmdpriv = &padapter->cmdpriv;
4415 
4416 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
4417 	if (!pcmd_obj)
4418 		return;
4419 
4420 	cmdsz = (sizeof(struct survey_event) + sizeof(struct C2HEvent_Header));
4421 	pevtcmd = rtw_zmalloc(cmdsz);
4422 	if (!pevtcmd) {
4423 		kfree(pcmd_obj);
4424 		return;
4425 	}
4426 
4427 	INIT_LIST_HEAD(&pcmd_obj->list);
4428 
4429 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
4430 	pcmd_obj->cmdsz = cmdsz;
4431 	pcmd_obj->parmbuf = pevtcmd;
4432 
4433 	pcmd_obj->rsp = NULL;
4434 	pcmd_obj->rspsz  = 0;
4435 
4436 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
4437 	pc2h_evt_hdr->len = sizeof(struct survey_event);
4438 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_Survey);
4439 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
4440 
4441 	psurvey_evt = (struct survey_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
4442 
4443 	if (collect_bss_info(padapter, precv_frame, (struct wlan_bssid_ex *)&psurvey_evt->bss) == _FAIL) {
4444 		kfree(pcmd_obj);
4445 		kfree(pevtcmd);
4446 		return;
4447 	}
4448 
4449 	process_80211d(padapter, &psurvey_evt->bss);
4450 
4451 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
4452 
4453 	pmlmeext->sitesurvey_res.bss_cnt++;
4454 
4455 	return;
4456 
4457 }
4458 
report_surveydone_event(struct adapter * padapter)4459 void report_surveydone_event(struct adapter *padapter)
4460 {
4461 	struct cmd_obj *pcmd_obj;
4462 	u8 *pevtcmd;
4463 	u32 cmdsz;
4464 	struct surveydone_event *psurveydone_evt;
4465 	struct C2HEvent_Header	*pc2h_evt_hdr;
4466 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
4467 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
4468 
4469 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
4470 	if (!pcmd_obj)
4471 		return;
4472 
4473 	cmdsz = (sizeof(struct surveydone_event) + sizeof(struct C2HEvent_Header));
4474 	pevtcmd = rtw_zmalloc(cmdsz);
4475 	if (!pevtcmd) {
4476 		kfree(pcmd_obj);
4477 		return;
4478 	}
4479 
4480 	INIT_LIST_HEAD(&pcmd_obj->list);
4481 
4482 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
4483 	pcmd_obj->cmdsz = cmdsz;
4484 	pcmd_obj->parmbuf = pevtcmd;
4485 
4486 	pcmd_obj->rsp = NULL;
4487 	pcmd_obj->rspsz  = 0;
4488 
4489 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
4490 	pc2h_evt_hdr->len = sizeof(struct surveydone_event);
4491 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_SurveyDone);
4492 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
4493 
4494 	psurveydone_evt = (struct surveydone_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
4495 	psurveydone_evt->bss_cnt = pmlmeext->sitesurvey_res.bss_cnt;
4496 
4497 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
4498 
4499 	return;
4500 
4501 }
4502 
report_join_res(struct adapter * padapter,int res)4503 void report_join_res(struct adapter *padapter, int res)
4504 {
4505 	struct cmd_obj *pcmd_obj;
4506 	u8 *pevtcmd;
4507 	u32 cmdsz;
4508 	struct joinbss_event		*pjoinbss_evt;
4509 	struct C2HEvent_Header	*pc2h_evt_hdr;
4510 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
4511 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4512 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
4513 
4514 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
4515 	if (!pcmd_obj)
4516 		return;
4517 
4518 	cmdsz = (sizeof(struct joinbss_event) + sizeof(struct C2HEvent_Header));
4519 	pevtcmd = rtw_zmalloc(cmdsz);
4520 	if (!pevtcmd) {
4521 		kfree(pcmd_obj);
4522 		return;
4523 	}
4524 
4525 	INIT_LIST_HEAD(&pcmd_obj->list);
4526 
4527 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
4528 	pcmd_obj->cmdsz = cmdsz;
4529 	pcmd_obj->parmbuf = pevtcmd;
4530 
4531 	pcmd_obj->rsp = NULL;
4532 	pcmd_obj->rspsz  = 0;
4533 
4534 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
4535 	pc2h_evt_hdr->len = sizeof(struct joinbss_event);
4536 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_JoinBss);
4537 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
4538 
4539 	pjoinbss_evt = (struct joinbss_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
4540 	memcpy((unsigned char *)(&(pjoinbss_evt->network.network)), &(pmlmeinfo->network), sizeof(struct wlan_bssid_ex));
4541 	pjoinbss_evt->network.join_res	= pjoinbss_evt->network.aid = res;
4542 
4543 
4544 	rtw_joinbss_event_prehandle(padapter, (u8 *)&pjoinbss_evt->network);
4545 
4546 
4547 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
4548 
4549 	return;
4550 
4551 }
4552 
report_wmm_edca_update(struct adapter * padapter)4553 void report_wmm_edca_update(struct adapter *padapter)
4554 {
4555 	struct cmd_obj *pcmd_obj;
4556 	u8 *pevtcmd;
4557 	u32 cmdsz;
4558 	struct wmm_event		*pwmm_event;
4559 	struct C2HEvent_Header	*pc2h_evt_hdr;
4560 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
4561 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
4562 
4563 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
4564 	if (!pcmd_obj)
4565 		return;
4566 
4567 	cmdsz = (sizeof(struct wmm_event) + sizeof(struct C2HEvent_Header));
4568 	pevtcmd = rtw_zmalloc(cmdsz);
4569 	if (!pevtcmd) {
4570 		kfree(pcmd_obj);
4571 		return;
4572 	}
4573 
4574 	INIT_LIST_HEAD(&pcmd_obj->list);
4575 
4576 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
4577 	pcmd_obj->cmdsz = cmdsz;
4578 	pcmd_obj->parmbuf = pevtcmd;
4579 
4580 	pcmd_obj->rsp = NULL;
4581 	pcmd_obj->rspsz  = 0;
4582 
4583 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
4584 	pc2h_evt_hdr->len = sizeof(struct wmm_event);
4585 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_WMM);
4586 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
4587 
4588 	pwmm_event = (struct wmm_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
4589 	pwmm_event->wmm = 0;
4590 
4591 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
4592 
4593 	return;
4594 
4595 }
4596 
report_del_sta_event(struct adapter * padapter,unsigned char * MacAddr,unsigned short reason)4597 void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, unsigned short reason)
4598 {
4599 	struct cmd_obj *pcmd_obj;
4600 	u8 *pevtcmd;
4601 	u32 cmdsz;
4602 	struct sta_info *psta;
4603 	int	mac_id;
4604 	struct stadel_event			*pdel_sta_evt;
4605 	struct C2HEvent_Header	*pc2h_evt_hdr;
4606 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
4607 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
4608 
4609 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
4610 	if (!pcmd_obj)
4611 		return;
4612 
4613 	cmdsz = (sizeof(struct stadel_event) + sizeof(struct C2HEvent_Header));
4614 	pevtcmd = rtw_zmalloc(cmdsz);
4615 	if (!pevtcmd) {
4616 		kfree(pcmd_obj);
4617 		return;
4618 	}
4619 
4620 	INIT_LIST_HEAD(&pcmd_obj->list);
4621 
4622 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
4623 	pcmd_obj->cmdsz = cmdsz;
4624 	pcmd_obj->parmbuf = pevtcmd;
4625 
4626 	pcmd_obj->rsp = NULL;
4627 	pcmd_obj->rspsz  = 0;
4628 
4629 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
4630 	pc2h_evt_hdr->len = sizeof(struct stadel_event);
4631 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_DelSTA);
4632 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
4633 
4634 	pdel_sta_evt = (struct stadel_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
4635 	memcpy((unsigned char *)(&(pdel_sta_evt->macaddr)), MacAddr, ETH_ALEN);
4636 	memcpy((unsigned char *)(pdel_sta_evt->rsvd), (unsigned char *)(&reason), 2);
4637 
4638 
4639 	psta = rtw_get_stainfo(&padapter->stapriv, MacAddr);
4640 	if (psta)
4641 		mac_id = (int)psta->mac_id;
4642 	else
4643 		mac_id = (-1);
4644 
4645 	pdel_sta_evt->mac_id = mac_id;
4646 
4647 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
4648 }
4649 
report_add_sta_event(struct adapter * padapter,unsigned char * MacAddr,int cam_idx)4650 void report_add_sta_event(struct adapter *padapter, unsigned char *MacAddr, int cam_idx)
4651 {
4652 	struct cmd_obj *pcmd_obj;
4653 	u8 *pevtcmd;
4654 	u32 cmdsz;
4655 	struct stassoc_event		*padd_sta_evt;
4656 	struct C2HEvent_Header	*pc2h_evt_hdr;
4657 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
4658 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
4659 
4660 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
4661 	if (!pcmd_obj)
4662 		return;
4663 
4664 	cmdsz = (sizeof(struct stassoc_event) + sizeof(struct C2HEvent_Header));
4665 	pevtcmd = rtw_zmalloc(cmdsz);
4666 	if (!pevtcmd) {
4667 		kfree(pcmd_obj);
4668 		return;
4669 	}
4670 
4671 	INIT_LIST_HEAD(&pcmd_obj->list);
4672 
4673 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
4674 	pcmd_obj->cmdsz = cmdsz;
4675 	pcmd_obj->parmbuf = pevtcmd;
4676 
4677 	pcmd_obj->rsp = NULL;
4678 	pcmd_obj->rspsz  = 0;
4679 
4680 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
4681 	pc2h_evt_hdr->len = sizeof(struct stassoc_event);
4682 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_AddSTA);
4683 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
4684 
4685 	padd_sta_evt = (struct stassoc_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
4686 	memcpy((unsigned char *)(&(padd_sta_evt->macaddr)), MacAddr, ETH_ALEN);
4687 	padd_sta_evt->cam_id = cam_idx;
4688 
4689 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
4690 }
4691 
4692 /****************************************************************************
4693 
4694 Following are the event callback functions
4695 
4696 *****************************************************************************/
4697 
4698 /* for sta/adhoc mode */
update_sta_info(struct adapter * padapter,struct sta_info * psta)4699 void update_sta_info(struct adapter *padapter, struct sta_info *psta)
4700 {
4701 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
4702 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4703 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4704 
4705 	/* ERP */
4706 	VCS_update(padapter, psta);
4707 
4708 	/* HT */
4709 	if (pmlmepriv->htpriv.ht_option) {
4710 		psta->htpriv.ht_option = true;
4711 
4712 		psta->htpriv.ampdu_enable = pmlmepriv->htpriv.ampdu_enable;
4713 
4714 		psta->htpriv.rx_ampdu_min_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para&IEEE80211_HT_CAP_AMPDU_DENSITY)>>2;
4715 
4716 		if (support_short_GI(padapter, &(pmlmeinfo->HT_caps), CHANNEL_WIDTH_20))
4717 			psta->htpriv.sgi_20m = true;
4718 
4719 		if (support_short_GI(padapter, &(pmlmeinfo->HT_caps), CHANNEL_WIDTH_40))
4720 			psta->htpriv.sgi_40m = true;
4721 
4722 		psta->qos_option = true;
4723 
4724 		psta->htpriv.ldpc_cap = pmlmepriv->htpriv.ldpc_cap;
4725 		psta->htpriv.stbc_cap = pmlmepriv->htpriv.stbc_cap;
4726 		psta->htpriv.beamform_cap = pmlmepriv->htpriv.beamform_cap;
4727 
4728 		memcpy(&psta->htpriv.ht_cap, &pmlmeinfo->HT_caps, sizeof(struct ieee80211_ht_cap));
4729 	} else {
4730 		psta->htpriv.ht_option = false;
4731 
4732 		psta->htpriv.ampdu_enable = false;
4733 
4734 		psta->htpriv.sgi_20m = false;
4735 		psta->htpriv.sgi_40m = false;
4736 		psta->qos_option = false;
4737 
4738 	}
4739 
4740 	psta->htpriv.ch_offset = pmlmeext->cur_ch_offset;
4741 
4742 	psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
4743 	psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
4744 
4745 	psta->bw_mode = pmlmeext->cur_bwmode;
4746 
4747 	/* QoS */
4748 	if (pmlmepriv->qospriv.qos_option)
4749 		psta->qos_option = true;
4750 
4751 	update_ldpc_stbc_cap(psta);
4752 
4753 	spin_lock_bh(&psta->lock);
4754 	psta->state = _FW_LINKED;
4755 	spin_unlock_bh(&psta->lock);
4756 
4757 }
4758 
rtw_mlmeext_disconnect(struct adapter * padapter)4759 static void rtw_mlmeext_disconnect(struct adapter *padapter)
4760 {
4761 	struct mlme_priv 	*pmlmepriv = &padapter->mlmepriv;
4762 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4763 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4764 	struct wlan_bssid_ex		*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
4765 
4766 	/* set_opmode_cmd(padapter, infra_client_with_mlme); */
4767 
4768 	/* For safety, prevent from keeping macid sleep.
4769 	 * If we can sure all power mode enter/leave are paired,
4770 	 * this check can be removed.
4771 	 * Lucas@20131113
4772 	 */
4773 	/* wakeup macid after disconnect. */
4774 	{
4775 		struct sta_info *psta;
4776 
4777 		psta = rtw_get_stainfo(&padapter->stapriv, get_my_bssid(pnetwork));
4778 		if (psta)
4779 			rtw_hal_macid_wakeup(padapter, psta->mac_id);
4780 	}
4781 
4782 	rtw_hal_set_hwreg(padapter, HW_VAR_MLME_DISCONNECT, NULL);
4783 	rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, null_addr);
4784 
4785 	/* set MSR to no link state -> infra. mode */
4786 	Set_MSR(padapter, _HW_STATE_STATION_);
4787 
4788 	pmlmeinfo->state = WIFI_FW_NULL_STATE;
4789 
4790 	/* switch to the 20M Hz mode after disconnect */
4791 	pmlmeext->cur_bwmode = CHANNEL_WIDTH_20;
4792 	pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
4793 
4794 	set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
4795 
4796 	flush_all_cam_entry(padapter);
4797 
4798 	del_timer_sync(&pmlmeext->link_timer);
4799 
4800 	/* pmlmepriv->LinkDetectInfo.TrafficBusyState = false; */
4801 	pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
4802 	pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
4803 
4804 }
4805 
mlmeext_joinbss_event_callback(struct adapter * padapter,int join_res)4806 void mlmeext_joinbss_event_callback(struct adapter *padapter, int join_res)
4807 {
4808 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4809 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4810 	struct wlan_bssid_ex		*cur_network = &(pmlmeinfo->network);
4811 	struct sta_priv 	*pstapriv = &padapter->stapriv;
4812 	u8 join_type;
4813 	struct sta_info *psta;
4814 
4815 	if (join_res < 0) {
4816 		join_type = 1;
4817 		rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
4818 		rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, null_addr);
4819 
4820 		return;
4821 	}
4822 
4823 	if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)
4824 		/* update bc/mc sta_info */
4825 		update_bmc_sta(padapter);
4826 
4827 
4828 	/* turn on dynamic functions */
4829 	Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
4830 
4831 	/*  update IOT-related issue */
4832 	update_IOT_info(padapter);
4833 
4834 	rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, cur_network->supported_rates);
4835 
4836 	/* BCN interval */
4837 	rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&pmlmeinfo->bcn_interval));
4838 
4839 	/* update capability */
4840 	update_capinfo(padapter, pmlmeinfo->capability);
4841 
4842 	/* WMM, Update EDCA param */
4843 	WMMOnAssocRsp(padapter);
4844 
4845 	/* HT */
4846 	HTOnAssocRsp(padapter);
4847 
4848 	/* Set cur_channel&cur_bwmode&cur_ch_offset */
4849 	set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
4850 
4851 	psta = rtw_get_stainfo(pstapriv, cur_network->mac_address);
4852 	if (psta) { /* only for infra. mode */
4853 
4854 		pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
4855 
4856 		psta->wireless_mode = pmlmeext->cur_wireless_mode;
4857 
4858 		/* set per sta rate after updating HT cap. */
4859 		set_sta_rate(padapter, psta);
4860 
4861 		rtw_sta_media_status_rpt(padapter, psta, 1);
4862 
4863 		/* wakeup macid after join bss successfully to ensure
4864 			the subsequent data frames can be sent out normally */
4865 		rtw_hal_macid_wakeup(padapter, psta->mac_id);
4866 	}
4867 
4868 	join_type = 2;
4869 	rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
4870 
4871 	if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) {
4872 		/*  correcting TSF */
4873 		correct_TSF(padapter, pmlmeext);
4874 
4875 		/* set_link_timer(pmlmeext, DISCONNECT_TO); */
4876 	}
4877 
4878 	if (get_iface_type(padapter) == IFACE_PORT0)
4879 		rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_CONNECT, 0);
4880 }
4881 
4882 /* currently only adhoc mode will go here */
mlmeext_sta_add_event_callback(struct adapter * padapter,struct sta_info * psta)4883 void mlmeext_sta_add_event_callback(struct adapter *padapter, struct sta_info *psta)
4884 {
4885 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
4886 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4887 	u8 join_type;
4888 
4889 	if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) {
4890 		if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) { /* adhoc master or sta_count>1 */
4891 
4892 			/* nothing to do */
4893 		} else { /* adhoc client */
4894 			/* update TSF Value */
4895 			/* update_TSF(pmlmeext, pframe, len); */
4896 
4897 			/*  correcting TSF */
4898 			correct_TSF(padapter, pmlmeext);
4899 
4900 			/* start beacon */
4901 			if (send_beacon(padapter) == _FAIL) {
4902 				pmlmeinfo->FW_sta_info[psta->mac_id].status = 0;
4903 
4904 				pmlmeinfo->state ^= WIFI_FW_ADHOC_STATE;
4905 
4906 				return;
4907 			}
4908 
4909 			pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS;
4910 
4911 		}
4912 
4913 		join_type = 2;
4914 		rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
4915 	}
4916 
4917 	pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
4918 
4919 	psta->bssratelen = rtw_get_rateset_len(pmlmeinfo->FW_sta_info[psta->mac_id].SupportedRates);
4920 	memcpy(psta->bssrateset, pmlmeinfo->FW_sta_info[psta->mac_id].SupportedRates, psta->bssratelen);
4921 
4922 	/* update adhoc sta_info */
4923 	update_sta_info(padapter, psta);
4924 
4925 	rtw_hal_update_sta_rate_mask(padapter, psta);
4926 
4927 	/*  ToDo: HT for Ad-hoc */
4928 	psta->wireless_mode = rtw_check_network_type(psta->bssrateset, psta->bssratelen, pmlmeext->cur_channel);
4929 	psta->raid = networktype_to_raid_ex(padapter, psta);
4930 
4931 	/* rate radaptive */
4932 	Update_RA_Entry(padapter, psta);
4933 }
4934 
mlmeext_sta_del_event_callback(struct adapter * padapter)4935 void mlmeext_sta_del_event_callback(struct adapter *padapter)
4936 {
4937 	if (is_client_associated_to_ap(padapter) || is_IBSS_empty(padapter))
4938 		rtw_mlmeext_disconnect(padapter);
4939 }
4940 
4941 /****************************************************************************
4942 
4943 Following are the functions for the timer handlers
4944 
4945 *****************************************************************************/
_linked_info_dump(struct adapter * padapter)4946 void _linked_info_dump(struct adapter *padapter)
4947 {
4948 	int i;
4949 	struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
4950 	struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
4951 	int UndecoratedSmoothedPWDB;
4952 	struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
4953 
4954 	if (padapter->bLinkInfoDump) {
4955 
4956 		if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE)
4957 			rtw_hal_get_def_var(padapter, HAL_DEF_UNDERCORATEDSMOOTHEDPWDB, &UndecoratedSmoothedPWDB);
4958 
4959 		for (i = 0; i < NUM_STA; i++) {
4960 			if (pdvobj->macid[i]) {
4961 				if (i != 1) /* skip bc/mc sta */
4962 					/*   tx info ============ */
4963 					rtw_hal_get_def_var(padapter, HW_DEF_RA_INFO_DUMP, &i);
4964 			}
4965 		}
4966 		rtw_hal_set_def_var(padapter, HAL_DEF_DBG_RX_INFO_DUMP, NULL);
4967 	}
4968 }
4969 
chk_ap_is_alive(struct adapter * padapter,struct sta_info * psta)4970 static u8 chk_ap_is_alive(struct adapter *padapter, struct sta_info *psta)
4971 {
4972 	u8 ret = false;
4973 
4974 	if ((sta_rx_data_pkts(psta) == sta_last_rx_data_pkts(psta))
4975 		&& sta_rx_beacon_pkts(psta) == sta_last_rx_beacon_pkts(psta)
4976 		&& sta_rx_probersp_pkts(psta) == sta_last_rx_probersp_pkts(psta)
4977 	) {
4978 		ret = false;
4979 	} else {
4980 		ret = true;
4981 	}
4982 
4983 	sta_update_last_rx_pkts(psta);
4984 
4985 	return ret;
4986 }
4987 
linked_status_chk(struct adapter * padapter)4988 void linked_status_chk(struct adapter *padapter)
4989 {
4990 	u32 i;
4991 	struct sta_info 	*psta;
4992 	struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv);
4993 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4994 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4995 	struct sta_priv 	*pstapriv = &padapter->stapriv;
4996 
4997 
4998 	if (is_client_associated_to_ap(padapter)) {
4999 		/* linked infrastructure client mode */
5000 
5001 		int tx_chk = _SUCCESS, rx_chk = _SUCCESS;
5002 		int rx_chk_limit;
5003 		int link_count_limit;
5004 
5005 		#if defined(DBG_ROAMING_TEST)
5006 		rx_chk_limit = 1;
5007 		#else
5008 		rx_chk_limit = 8;
5009 		#endif
5010 		link_count_limit = 7; /*  16 sec */
5011 
5012 		/*  Marked by Kurt 20130715 */
5013 		/*  For WiDi 3.5 and latered on, they don't ask WiDi sink to do roaming, so we could not check rx limit that strictly. */
5014 		/*  todo: To check why we under miracast session, rx_chk would be false */
5015 		psta = rtw_get_stainfo(pstapriv, pmlmeinfo->network.mac_address);
5016 		if (psta) {
5017 			if (chk_ap_is_alive(padapter, psta) == false)
5018 				rx_chk = _FAIL;
5019 
5020 			if (pxmitpriv->last_tx_pkts == pxmitpriv->tx_pkts)
5021 				tx_chk = _FAIL;
5022 
5023 			{
5024 				if (rx_chk != _SUCCESS) {
5025 					if (pmlmeext->retry == 0) {
5026 						issue_probereq_ex(padapter, &pmlmeinfo->network.ssid, pmlmeinfo->network.mac_address, 0, 0, 0, 0);
5027 						issue_probereq_ex(padapter, &pmlmeinfo->network.ssid, pmlmeinfo->network.mac_address, 0, 0, 0, 0);
5028 						issue_probereq_ex(padapter, &pmlmeinfo->network.ssid, pmlmeinfo->network.mac_address, 0, 0, 0, 0);
5029 					}
5030 				}
5031 
5032 				if (tx_chk != _SUCCESS &&
5033 				    pmlmeinfo->link_count++ == link_count_limit)
5034 					tx_chk = issue_nulldata_in_interrupt(padapter, NULL);
5035 			}
5036 
5037 			if (rx_chk == _FAIL) {
5038 				pmlmeext->retry++;
5039 				if (pmlmeext->retry > rx_chk_limit) {
5040 					netdev_dbg(padapter->pnetdev,
5041 						   FUNC_ADPT_FMT " disconnect or roaming\n",
5042 						   FUNC_ADPT_ARG(padapter));
5043 					receive_disconnect(padapter, pmlmeinfo->network.mac_address
5044 						, WLAN_REASON_EXPIRATION_CHK);
5045 					return;
5046 				}
5047 			} else {
5048 				pmlmeext->retry = 0;
5049 			}
5050 
5051 			if (tx_chk == _FAIL) {
5052 				pmlmeinfo->link_count %= (link_count_limit+1);
5053 			} else {
5054 				pxmitpriv->last_tx_pkts = pxmitpriv->tx_pkts;
5055 				pmlmeinfo->link_count = 0;
5056 			}
5057 
5058 		} /* end of if ((psta = rtw_get_stainfo(pstapriv, passoc_res->network.mac_address)) != NULL) */
5059 	} else if (is_client_associated_to_ibss(padapter)) {
5060 		/* linked IBSS mode */
5061 		/* for each assoc list entry to check the rx pkt counter */
5062 		for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
5063 			if (pmlmeinfo->FW_sta_info[i].status == 1) {
5064 				psta = pmlmeinfo->FW_sta_info[i].psta;
5065 
5066 				if (psta == NULL)
5067 					continue;
5068 
5069 				if (pmlmeinfo->FW_sta_info[i].rx_pkt == sta_rx_pkts(psta)) {
5070 
5071 					if (pmlmeinfo->FW_sta_info[i].retry < 3) {
5072 						pmlmeinfo->FW_sta_info[i].retry++;
5073 					} else {
5074 						pmlmeinfo->FW_sta_info[i].retry = 0;
5075 						pmlmeinfo->FW_sta_info[i].status = 0;
5076 						report_del_sta_event(padapter, psta->hwaddr
5077 							, 65535/*  indicate disconnect caused by no rx */
5078 						);
5079 					}
5080 				} else {
5081 					pmlmeinfo->FW_sta_info[i].retry = 0;
5082 					pmlmeinfo->FW_sta_info[i].rx_pkt = (u32)sta_rx_pkts(psta);
5083 				}
5084 			}
5085 		}
5086 
5087 		/* set_link_timer(pmlmeext, DISCONNECT_TO); */
5088 
5089 	}
5090 
5091 }
5092 
survey_timer_hdl(struct timer_list * t)5093 void survey_timer_hdl(struct timer_list *t)
5094 {
5095 	struct adapter *padapter =
5096 		from_timer(padapter, t, mlmeextpriv.survey_timer);
5097 	struct cmd_obj	*ph2c;
5098 	struct sitesurvey_parm	*psurveyPara;
5099 	struct cmd_priv 				*pcmdpriv = &padapter->cmdpriv;
5100 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
5101 
5102 	/* issue rtw_sitesurvey_cmd */
5103 	if (pmlmeext->sitesurvey_res.state > SCAN_START) {
5104 		if (pmlmeext->sitesurvey_res.state ==  SCAN_PROCESS)
5105 			pmlmeext->sitesurvey_res.channel_idx++;
5106 
5107 		if (pmlmeext->scan_abort) {
5108 			pmlmeext->sitesurvey_res.channel_idx = pmlmeext->sitesurvey_res.ch_num;
5109 
5110 			pmlmeext->scan_abort = false;/* reset */
5111 		}
5112 
5113 		ph2c = rtw_zmalloc(sizeof(struct cmd_obj));
5114 		if (!ph2c)
5115 			return;
5116 
5117 		psurveyPara = rtw_zmalloc(sizeof(struct sitesurvey_parm));
5118 		if (!psurveyPara) {
5119 			kfree(ph2c);
5120 			return;
5121 		}
5122 
5123 		init_h2fwcmd_w_parm_no_rsp(ph2c, psurveyPara, GEN_CMD_CODE(_SiteSurvey));
5124 		rtw_enqueue_cmd(pcmdpriv, ph2c);
5125 	}
5126 }
5127 
link_timer_hdl(struct timer_list * t)5128 void link_timer_hdl(struct timer_list *t)
5129 {
5130 	struct adapter *padapter =
5131 		from_timer(padapter, t, mlmeextpriv.link_timer);
5132 	/* static unsigned int		rx_pkt = 0; */
5133 	/* static u64				tx_cnt = 0; */
5134 	/* struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv); */
5135 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5136 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5137 	/* struct sta_priv 	*pstapriv = &padapter->stapriv; */
5138 
5139 
5140 	if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) {
5141 		pmlmeinfo->state = WIFI_FW_NULL_STATE;
5142 		report_join_res(padapter, -3);
5143 	} else if (pmlmeinfo->state & WIFI_FW_AUTH_STATE) {
5144 		/* re-auth timer */
5145 		if (++pmlmeinfo->reauth_count > REAUTH_LIMIT) {
5146 			pmlmeinfo->state = 0;
5147 			report_join_res(padapter, -1);
5148 			return;
5149 		}
5150 
5151 		pmlmeinfo->auth_seq = 1;
5152 		issue_auth(padapter, NULL, 0);
5153 		set_link_timer(pmlmeext, REAUTH_TO);
5154 	} else if (pmlmeinfo->state & WIFI_FW_ASSOC_STATE) {
5155 		/* re-assoc timer */
5156 		if (++pmlmeinfo->reassoc_count > REASSOC_LIMIT) {
5157 			pmlmeinfo->state = WIFI_FW_NULL_STATE;
5158 			report_join_res(padapter, -2);
5159 			return;
5160 		}
5161 
5162 		issue_assocreq(padapter);
5163 		set_link_timer(pmlmeext, REASSOC_TO);
5164 	}
5165 }
5166 
addba_timer_hdl(struct timer_list * t)5167 void addba_timer_hdl(struct timer_list *t)
5168 {
5169 	struct sta_info *psta = from_timer(psta, t, addba_retry_timer);
5170 	struct ht_priv *phtpriv;
5171 
5172 	if (!psta)
5173 		return;
5174 
5175 	phtpriv = &psta->htpriv;
5176 
5177 	if (phtpriv->ht_option && phtpriv->ampdu_enable) {
5178 		if (phtpriv->candidate_tid_bitmap)
5179 			phtpriv->candidate_tid_bitmap = 0x0;
5180 
5181 	}
5182 }
5183 
sa_query_timer_hdl(struct timer_list * t)5184 void sa_query_timer_hdl(struct timer_list *t)
5185 {
5186 	struct adapter *padapter =
5187 		from_timer(padapter, t, mlmeextpriv.sa_query_timer);
5188 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
5189 	/* disconnect */
5190 	spin_lock_bh(&pmlmepriv->lock);
5191 
5192 	if (check_fwstate(pmlmepriv, _FW_LINKED)) {
5193 		rtw_disassoc_cmd(padapter, 0, true);
5194 		rtw_indicate_disconnect(padapter);
5195 		rtw_free_assoc_resources(padapter, 1);
5196 	}
5197 
5198 	spin_unlock_bh(&pmlmepriv->lock);
5199 }
5200 
NULL_hdl(struct adapter * padapter,u8 * pbuf)5201 u8 NULL_hdl(struct adapter *padapter, u8 *pbuf)
5202 {
5203 	return H2C_SUCCESS;
5204 }
5205 
setopmode_hdl(struct adapter * padapter,u8 * pbuf)5206 u8 setopmode_hdl(struct adapter *padapter, u8 *pbuf)
5207 {
5208 	u8 type;
5209 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5210 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5211 	struct setopmode_parm *psetop = (struct setopmode_parm *)pbuf;
5212 
5213 	if (psetop->mode == Ndis802_11APMode) {
5214 		pmlmeinfo->state = WIFI_FW_AP_STATE;
5215 		type = _HW_STATE_AP_;
5216 		/* start_ap_mode(padapter); */
5217 	} else if (psetop->mode == Ndis802_11Infrastructure) {
5218 		pmlmeinfo->state &= ~(BIT(0)|BIT(1));/*  clear state */
5219 		pmlmeinfo->state |= WIFI_FW_STATION_STATE;/* set to	STATION_STATE */
5220 		type = _HW_STATE_STATION_;
5221 	} else if (psetop->mode == Ndis802_11IBSS) {
5222 		type = _HW_STATE_ADHOC_;
5223 	} else {
5224 		type = _HW_STATE_NOLINK_;
5225 	}
5226 
5227 	rtw_hal_set_hwreg(padapter, HW_VAR_SET_OPMODE, (u8 *)(&type));
5228 	/* Set_MSR(padapter, type); */
5229 
5230 	if (psetop->mode == Ndis802_11APMode) {
5231 		/*  Do this after port switch to */
5232 		/*  prevent from downloading rsvd page to wrong port */
5233 		rtw_btcoex_MediaStatusNotify(padapter, 1); /* connect */
5234 	}
5235 
5236 	return H2C_SUCCESS;
5237 
5238 }
5239 
createbss_hdl(struct adapter * padapter,u8 * pbuf)5240 u8 createbss_hdl(struct adapter *padapter, u8 *pbuf)
5241 {
5242 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5243 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5244 	struct wlan_bssid_ex	*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
5245 	struct joinbss_parm *pparm = (struct joinbss_parm *)pbuf;
5246 	/* u32 initialgain; */
5247 
5248 	if (pmlmeinfo->state == WIFI_FW_AP_STATE) {
5249 		start_bss_network(padapter);
5250 		return H2C_SUCCESS;
5251 	}
5252 
5253 	/* below is for ad-hoc master */
5254 	if (pparm->network.infrastructure_mode == Ndis802_11IBSS) {
5255 		rtw_joinbss_reset(padapter);
5256 
5257 		pmlmeext->cur_bwmode = CHANNEL_WIDTH_20;
5258 		pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
5259 		pmlmeinfo->ERP_enable = 0;
5260 		pmlmeinfo->WMM_enable = 0;
5261 		pmlmeinfo->HT_enable = 0;
5262 		pmlmeinfo->HT_caps_enable = 0;
5263 		pmlmeinfo->HT_info_enable = 0;
5264 		pmlmeinfo->agg_enable_bitmap = 0;
5265 		pmlmeinfo->candidate_tid_bitmap = 0;
5266 
5267 		/* disable dynamic functions, such as high power, DIG */
5268 		Save_DM_Func_Flag(padapter);
5269 		Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false);
5270 
5271 		/* config the initial gain under linking, need to write the BB registers */
5272 		/* initialgain = 0x1E; */
5273 		/* rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain)); */
5274 
5275 		/* cancel link timer */
5276 		del_timer_sync(&pmlmeext->link_timer);
5277 
5278 		/* clear CAM */
5279 		flush_all_cam_entry(padapter);
5280 
5281 		memcpy(pnetwork, pbuf, FIELD_OFFSET(struct wlan_bssid_ex, ie_length));
5282 		pnetwork->ie_length = ((struct wlan_bssid_ex *)pbuf)->ie_length;
5283 
5284 		if (pnetwork->ie_length > MAX_IE_SZ)/* Check pbuf->ie_length */
5285 			return H2C_PARAMETERS_ERROR;
5286 
5287 		memcpy(pnetwork->ies, ((struct wlan_bssid_ex *)pbuf)->ies, pnetwork->ie_length);
5288 
5289 		start_create_ibss(padapter);
5290 
5291 	}
5292 
5293 	return H2C_SUCCESS;
5294 
5295 }
5296 
join_cmd_hdl(struct adapter * padapter,u8 * pbuf)5297 u8 join_cmd_hdl(struct adapter *padapter, u8 *pbuf)
5298 {
5299 	u8 join_type;
5300 	struct ndis_80211_var_ie *pIE;
5301 	struct registry_priv *pregpriv = &padapter->registrypriv;
5302 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5303 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5304 	struct wlan_bssid_ex		*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
5305 	u32 i;
5306 	u8 cbw40_enable = 0;
5307 	/* u32 initialgain; */
5308 	/* u32 acparm; */
5309 	u8 ch, bw, offset;
5310 
5311 	/* check already connecting to AP or not */
5312 	if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) {
5313 		if (pmlmeinfo->state & WIFI_FW_STATION_STATE)
5314 			issue_deauth_ex(padapter, pnetwork->mac_address, WLAN_REASON_DEAUTH_LEAVING, 1, 100);
5315 		pmlmeinfo->state = WIFI_FW_NULL_STATE;
5316 
5317 		/* clear CAM */
5318 		flush_all_cam_entry(padapter);
5319 
5320 		del_timer_sync(&pmlmeext->link_timer);
5321 
5322 		/* set MSR to nolink -> infra. mode */
5323 		/* Set_MSR(padapter, _HW_STATE_NOLINK_); */
5324 		Set_MSR(padapter, _HW_STATE_STATION_);
5325 
5326 
5327 		rtw_hal_set_hwreg(padapter, HW_VAR_MLME_DISCONNECT, NULL);
5328 	}
5329 
5330 	rtw_joinbss_reset(padapter);
5331 
5332 	pmlmeext->cur_bwmode = CHANNEL_WIDTH_20;
5333 	pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
5334 	pmlmeinfo->ERP_enable = 0;
5335 	pmlmeinfo->WMM_enable = 0;
5336 	pmlmeinfo->HT_enable = 0;
5337 	pmlmeinfo->HT_caps_enable = 0;
5338 	pmlmeinfo->HT_info_enable = 0;
5339 	pmlmeinfo->agg_enable_bitmap = 0;
5340 	pmlmeinfo->candidate_tid_bitmap = 0;
5341 	pmlmeinfo->bwmode_updated = false;
5342 	/* pmlmeinfo->assoc_AP_vendor = HT_IOT_PEER_MAX; */
5343 	pmlmeinfo->VHT_enable = 0;
5344 
5345 	memcpy(pnetwork, pbuf, FIELD_OFFSET(struct wlan_bssid_ex, ie_length));
5346 	pnetwork->ie_length = ((struct wlan_bssid_ex *)pbuf)->ie_length;
5347 
5348 	if (pnetwork->ie_length > MAX_IE_SZ)/* Check pbuf->ie_length */
5349 		return H2C_PARAMETERS_ERROR;
5350 
5351 	memcpy(pnetwork->ies, ((struct wlan_bssid_ex *)pbuf)->ies, pnetwork->ie_length);
5352 
5353 	pmlmeext->cur_channel = (u8)pnetwork->configuration.ds_config;
5354 	pmlmeinfo->bcn_interval = get_beacon_interval(pnetwork);
5355 
5356 	/* Check AP vendor to move rtw_joinbss_cmd() */
5357 	/* pmlmeinfo->assoc_AP_vendor = check_assoc_AP(pnetwork->ies, pnetwork->ie_length); */
5358 
5359 	/* sizeof(struct ndis_802_11_fix_ie) */
5360 	for (i = _FIXED_IE_LENGTH_; i < pnetwork->ie_length;) {
5361 		pIE = (struct ndis_80211_var_ie *)(pnetwork->ies + i);
5362 
5363 		switch (pIE->element_id) {
5364 		case WLAN_EID_VENDOR_SPECIFIC:/* Get WMM IE. */
5365 			if (!memcmp(pIE->data, WMM_OUI, 4))
5366 				WMM_param_handler(padapter, pIE);
5367 			break;
5368 
5369 		case WLAN_EID_HT_CAPABILITY:	/* Get HT Cap IE. */
5370 			pmlmeinfo->HT_caps_enable = 1;
5371 			break;
5372 
5373 		case WLAN_EID_HT_OPERATION:	/* Get HT Info IE. */
5374 			pmlmeinfo->HT_info_enable = 1;
5375 
5376 			/* spec case only for cisco's ap because cisco's ap issue assoc rsp using mcs rate @40MHz or @20MHz */
5377 			{
5378 				struct HT_info_element *pht_info = (struct HT_info_element *)(pIE->data);
5379 
5380 				if (pnetwork->configuration.ds_config <= 14) {
5381 					if ((pregpriv->bw_mode & 0x0f) > CHANNEL_WIDTH_20)
5382 						cbw40_enable = 1;
5383 				}
5384 
5385 				if ((cbw40_enable) && (pht_info->infos[0] & BIT(2))) {
5386 					/* switch to the 40M Hz mode according to the AP */
5387 					pmlmeext->cur_bwmode = CHANNEL_WIDTH_40;
5388 					switch (pht_info->infos[0] & 0x3) {
5389 					case 1:
5390 						pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
5391 						break;
5392 
5393 					case 3:
5394 						pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
5395 						break;
5396 
5397 					default:
5398 						pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
5399 						pmlmeext->cur_bwmode = CHANNEL_WIDTH_20;
5400 						break;
5401 					}
5402 				}
5403 			}
5404 			break;
5405 		default:
5406 			break;
5407 		}
5408 
5409 		i += (pIE->length + 2);
5410 	}
5411 
5412 	/* check channel, bandwidth, offset and switch */
5413 	if (rtw_chk_start_clnt_join(padapter, &ch, &bw, &offset) == _FAIL) {
5414 		report_join_res(padapter, (-4));
5415 		return H2C_SUCCESS;
5416 	}
5417 
5418 	/* disable dynamic functions, such as high power, DIG */
5419 	/* Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false); */
5420 
5421 	/* config the initial gain under linking, need to write the BB registers */
5422 	/* initialgain = 0x1E; */
5423 	/* rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain)); */
5424 
5425 	rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pmlmeinfo->network.mac_address);
5426 	join_type = 0;
5427 	rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
5428 	rtw_hal_set_hwreg(padapter, HW_VAR_DO_IQK, NULL);
5429 
5430 	set_channel_bwmode(padapter, ch, offset, bw);
5431 
5432 	/* cancel link timer */
5433 	del_timer_sync(&pmlmeext->link_timer);
5434 
5435 	start_clnt_join(padapter);
5436 
5437 	return H2C_SUCCESS;
5438 
5439 }
5440 
disconnect_hdl(struct adapter * padapter,unsigned char * pbuf)5441 u8 disconnect_hdl(struct adapter *padapter, unsigned char *pbuf)
5442 {
5443 	struct disconnect_parm *param = (struct disconnect_parm *)pbuf;
5444 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5445 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5446 	struct wlan_bssid_ex		*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
5447 	u8 val8;
5448 
5449 	if (is_client_associated_to_ap(padapter))
5450 			issue_deauth_ex(padapter, pnetwork->mac_address, WLAN_REASON_DEAUTH_LEAVING, param->deauth_timeout_ms/100, 100);
5451 
5452 	if (((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) || ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)) {
5453 		/* Stop BCN */
5454 		val8 = 0;
5455 		rtw_hal_set_hwreg(padapter, HW_VAR_BCN_FUNC, (u8 *)(&val8));
5456 	}
5457 
5458 	rtw_mlmeext_disconnect(padapter);
5459 
5460 	rtw_free_uc_swdec_pending_queue(padapter);
5461 
5462 	return	H2C_SUCCESS;
5463 }
5464 
rtw_scan_ch_decision(struct adapter * padapter,struct rtw_ieee80211_channel * out,u32 out_num,struct rtw_ieee80211_channel * in,u32 in_num)5465 static int rtw_scan_ch_decision(struct adapter *padapter, struct rtw_ieee80211_channel *out,
5466 	u32 out_num, struct rtw_ieee80211_channel *in, u32 in_num)
5467 {
5468 	int i, j;
5469 	int set_idx;
5470 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5471 
5472 	/* clear first */
5473 	memset(out, 0, sizeof(struct rtw_ieee80211_channel)*out_num);
5474 
5475 	/* acquire channels from in */
5476 	j = 0;
5477 	for (i = 0; i < in_num; i++) {
5478 
5479 		set_idx = rtw_ch_set_search_ch(pmlmeext->channel_set, in[i].hw_value);
5480 		if (in[i].hw_value && !(in[i].flags & RTW_IEEE80211_CHAN_DISABLED)
5481 			&& set_idx >= 0
5482 		) {
5483 			if (j >= out_num) {
5484 				netdev_dbg(padapter->pnetdev,
5485 					   FUNC_ADPT_FMT " out_num:%u not enough\n",
5486 					   FUNC_ADPT_ARG(padapter), out_num);
5487 				break;
5488 			}
5489 
5490 			memcpy(&out[j], &in[i], sizeof(struct rtw_ieee80211_channel));
5491 
5492 			if (pmlmeext->channel_set[set_idx].ScanType == SCAN_PASSIVE)
5493 				out[j].flags |= RTW_IEEE80211_CHAN_PASSIVE_SCAN;
5494 
5495 			j++;
5496 		}
5497 		if (j >= out_num)
5498 			break;
5499 	}
5500 
5501 	/* if out is empty, use channel_set as default */
5502 	if (j == 0) {
5503 		for (i = 0; i < pmlmeext->max_chan_nums; i++) {
5504 
5505 			if (j >= out_num) {
5506 				netdev_dbg(padapter->pnetdev,
5507 					   FUNC_ADPT_FMT " out_num:%u not enough\n",
5508 					   FUNC_ADPT_ARG(padapter),
5509 					   out_num);
5510 				break;
5511 			}
5512 
5513 			out[j].hw_value = pmlmeext->channel_set[i].ChannelNum;
5514 
5515 			if (pmlmeext->channel_set[i].ScanType == SCAN_PASSIVE)
5516 				out[j].flags |= RTW_IEEE80211_CHAN_PASSIVE_SCAN;
5517 
5518 			j++;
5519 		}
5520 	}
5521 
5522 	return j;
5523 }
5524 
sitesurvey_cmd_hdl(struct adapter * padapter,u8 * pbuf)5525 u8 sitesurvey_cmd_hdl(struct adapter *padapter, u8 *pbuf)
5526 {
5527 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5528 	struct sitesurvey_parm	*pparm = (struct sitesurvey_parm *)pbuf;
5529 	u8 bdelayscan = false;
5530 	u8 val8;
5531 	u32 initialgain;
5532 	u32 i;
5533 
5534 	if (pmlmeext->sitesurvey_res.state == SCAN_DISABLE) {
5535 		pmlmeext->sitesurvey_res.state = SCAN_START;
5536 		pmlmeext->sitesurvey_res.bss_cnt = 0;
5537 		pmlmeext->sitesurvey_res.channel_idx = 0;
5538 
5539 		for (i = 0; i < RTW_SSID_SCAN_AMOUNT; i++) {
5540 			if (pparm->ssid[i].ssid_length) {
5541 				memcpy(pmlmeext->sitesurvey_res.ssid[i].ssid, pparm->ssid[i].ssid, IW_ESSID_MAX_SIZE);
5542 				pmlmeext->sitesurvey_res.ssid[i].ssid_length = pparm->ssid[i].ssid_length;
5543 			} else {
5544 				pmlmeext->sitesurvey_res.ssid[i].ssid_length = 0;
5545 			}
5546 		}
5547 
5548 		pmlmeext->sitesurvey_res.ch_num = rtw_scan_ch_decision(padapter
5549 			, pmlmeext->sitesurvey_res.ch, RTW_CHANNEL_SCAN_AMOUNT
5550 			, pparm->ch, pparm->ch_num
5551 		);
5552 
5553 		pmlmeext->sitesurvey_res.scan_mode = pparm->scan_mode;
5554 
5555 		/* issue null data if associating to the AP */
5556 		if (is_client_associated_to_ap(padapter)) {
5557 			pmlmeext->sitesurvey_res.state = SCAN_TXNULL;
5558 
5559 			issue_nulldata(padapter, NULL, 1, 3, 500);
5560 
5561 			bdelayscan = true;
5562 		}
5563 		if (bdelayscan) {
5564 			/* delay 50ms to protect nulldata(1). */
5565 			set_survey_timer(pmlmeext, 50);
5566 			return H2C_SUCCESS;
5567 		}
5568 	}
5569 
5570 	if ((pmlmeext->sitesurvey_res.state == SCAN_START) || (pmlmeext->sitesurvey_res.state == SCAN_TXNULL)) {
5571 		/* disable dynamic functions, such as high power, DIG */
5572 		Save_DM_Func_Flag(padapter);
5573 		Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false);
5574 
5575 		/* config the initial gain under scanning, need to write the BB
5576 		 * registers
5577 		 */
5578 		initialgain = 0x1e;
5579 
5580 		rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain));
5581 
5582 		/* set MSR to no link state */
5583 		Set_MSR(padapter, _HW_STATE_NOLINK_);
5584 
5585 		val8 = 1; /* under site survey */
5586 		rtw_hal_set_hwreg(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
5587 
5588 		pmlmeext->sitesurvey_res.state = SCAN_PROCESS;
5589 	}
5590 
5591 	site_survey(padapter);
5592 
5593 	return H2C_SUCCESS;
5594 
5595 }
5596 
setauth_hdl(struct adapter * padapter,unsigned char * pbuf)5597 u8 setauth_hdl(struct adapter *padapter, unsigned char *pbuf)
5598 {
5599 	struct setauth_parm		*pparm = (struct setauth_parm *)pbuf;
5600 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5601 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5602 
5603 	if (pparm->mode < 4)
5604 		pmlmeinfo->auth_algo = pparm->mode;
5605 
5606 	return	H2C_SUCCESS;
5607 }
5608 
setkey_hdl(struct adapter * padapter,u8 * pbuf)5609 u8 setkey_hdl(struct adapter *padapter, u8 *pbuf)
5610 {
5611 	u16 ctrl = 0;
5612 	s16 cam_id = 0;
5613 	struct setkey_parm		*pparm = (struct setkey_parm *)pbuf;
5614 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5615 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5616 	unsigned char null_addr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
5617 	u8 *addr;
5618 
5619 	/* main tx key for wep. */
5620 	if (pparm->set_tx)
5621 		pmlmeinfo->key_index = pparm->keyid;
5622 
5623 	cam_id = rtw_camid_alloc(padapter, NULL, pparm->keyid);
5624 
5625 	if (cam_id < 0) {
5626 	} else {
5627 		if (cam_id > 3) /* not default key, searched by A2 */
5628 			addr = get_bssid(&padapter->mlmepriv);
5629 		else
5630 			addr = null_addr;
5631 
5632 		ctrl = BIT(15) | BIT6 | ((pparm->algorithm) << 2) | pparm->keyid;
5633 		write_cam(padapter, cam_id, ctrl, addr, pparm->key);
5634 		netdev_dbg(padapter->pnetdev,
5635 			   "set group key camid:%d, addr:%pM, kid:%d, type:%s\n",
5636 			   cam_id, MAC_ARG(addr), pparm->keyid,
5637 			   security_type_str(pparm->algorithm));
5638 	}
5639 
5640 	if (cam_id >= 0 && cam_id <= 3)
5641 		rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)true);
5642 
5643 	/* allow multicast packets to driver */
5644 	padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_ON_RCR_AM, null_addr);
5645 
5646 	return H2C_SUCCESS;
5647 }
5648 
set_stakey_hdl(struct adapter * padapter,u8 * pbuf)5649 u8 set_stakey_hdl(struct adapter *padapter, u8 *pbuf)
5650 {
5651 	u16 ctrl = 0;
5652 	s16 cam_id = 0;
5653 	u8 ret = H2C_SUCCESS;
5654 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5655 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5656 	struct set_stakey_parm	*pparm = (struct set_stakey_parm *)pbuf;
5657 	struct sta_priv *pstapriv = &padapter->stapriv;
5658 	struct sta_info *psta;
5659 
5660 	if (pparm->algorithm == _NO_PRIVACY_)
5661 		goto write_to_cam;
5662 
5663 	psta = rtw_get_stainfo(pstapriv, pparm->addr);
5664 	if (!psta) {
5665 		netdev_dbg(padapter->pnetdev, "%s sta:%pM not found\n",
5666 			   __func__, MAC_ARG(pparm->addr));
5667 		ret = H2C_REJECTED;
5668 		goto exit;
5669 	}
5670 
5671 	pmlmeinfo->enc_algo = pparm->algorithm;
5672 	cam_id = rtw_camid_alloc(padapter, psta, 0);
5673 	if (cam_id < 0)
5674 		goto exit;
5675 
5676 write_to_cam:
5677 	if (pparm->algorithm == _NO_PRIVACY_) {
5678 		while ((cam_id = rtw_camid_search(padapter, pparm->addr, -1)) >= 0) {
5679 			netdev_dbg(padapter->pnetdev,
5680 				   "clear key for addr:%pM, camid:%d\n",
5681 				   MAC_ARG(pparm->addr), cam_id);
5682 			clear_cam_entry(padapter, cam_id);
5683 			rtw_camid_free(padapter, cam_id);
5684 		}
5685 	} else {
5686 		netdev_dbg(padapter->pnetdev,
5687 			   "set pairwise key camid:%d, addr:%pM, kid:%d, type:%s\n",
5688 			   cam_id, MAC_ARG(pparm->addr), pparm->keyid,
5689 			   security_type_str(pparm->algorithm));
5690 		ctrl = BIT(15) | ((pparm->algorithm) << 2) | pparm->keyid;
5691 		write_cam(padapter, cam_id, ctrl, pparm->addr, pparm->key);
5692 	}
5693 	ret = H2C_SUCCESS_RSP;
5694 
5695 exit:
5696 	return ret;
5697 }
5698 
add_ba_hdl(struct adapter * padapter,unsigned char * pbuf)5699 u8 add_ba_hdl(struct adapter *padapter, unsigned char *pbuf)
5700 {
5701 	struct addBaReq_parm	*pparm = (struct addBaReq_parm *)pbuf;
5702 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5703 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5704 
5705 	struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, pparm->addr);
5706 
5707 	if (!psta)
5708 		return	H2C_SUCCESS;
5709 
5710 	if (((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && (pmlmeinfo->HT_enable)) ||
5711 		((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)) {
5712 		/* pmlmeinfo->ADDBA_retry_count = 0; */
5713 		/* pmlmeinfo->candidate_tid_bitmap |= (0x1 << pparm->tid); */
5714 		/* psta->htpriv.candidate_tid_bitmap |= BIT(pparm->tid); */
5715 		issue_action_BA(padapter, pparm->addr, WLAN_ACTION_ADDBA_REQ, (u16)pparm->tid);
5716 		/* _set_timer(&pmlmeext->ADDBA_timer, ADDBA_TO); */
5717 		_set_timer(&psta->addba_retry_timer, ADDBA_TO);
5718 	} else {
5719 		psta->htpriv.candidate_tid_bitmap &= ~BIT(pparm->tid);
5720 	}
5721 	return	H2C_SUCCESS;
5722 }
5723 
5724 
chk_bmc_sleepq_cmd(struct adapter * padapter)5725 u8 chk_bmc_sleepq_cmd(struct adapter *padapter)
5726 {
5727 	struct cmd_obj *ph2c;
5728 	struct cmd_priv *pcmdpriv = &(padapter->cmdpriv);
5729 	u8 res = _SUCCESS;
5730 
5731 	ph2c = rtw_zmalloc(sizeof(struct cmd_obj));
5732 	if (!ph2c) {
5733 		res = _FAIL;
5734 		goto exit;
5735 	}
5736 
5737 	init_h2fwcmd_w_parm_no_parm_rsp(ph2c, GEN_CMD_CODE(_ChkBMCSleepq));
5738 
5739 	res = rtw_enqueue_cmd(pcmdpriv, ph2c);
5740 
5741 exit:
5742 	return res;
5743 }
5744 
set_tx_beacon_cmd(struct adapter * padapter)5745 u8 set_tx_beacon_cmd(struct adapter *padapter)
5746 {
5747 	struct cmd_obj	*ph2c;
5748 	struct Tx_Beacon_param	*ptxBeacon_parm;
5749 	struct cmd_priv *pcmdpriv = &(padapter->cmdpriv);
5750 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5751 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5752 	u8 res = _SUCCESS;
5753 	int len_diff = 0;
5754 
5755 	ph2c = rtw_zmalloc(sizeof(struct cmd_obj));
5756 	if (!ph2c) {
5757 		res = _FAIL;
5758 		goto exit;
5759 	}
5760 
5761 	ptxBeacon_parm = rtw_zmalloc(sizeof(struct Tx_Beacon_param));
5762 	if (!ptxBeacon_parm) {
5763 		kfree(ph2c);
5764 		res = _FAIL;
5765 		goto exit;
5766 	}
5767 
5768 	memcpy(&(ptxBeacon_parm->network), &(pmlmeinfo->network), sizeof(struct wlan_bssid_ex));
5769 
5770 	len_diff = update_hidden_ssid(ptxBeacon_parm->network.ies+_BEACON_IE_OFFSET_,
5771 				      ptxBeacon_parm->network.ie_length-_BEACON_IE_OFFSET_,
5772 				      pmlmeinfo->hidden_ssid_mode);
5773 	ptxBeacon_parm->network.ie_length += len_diff;
5774 
5775 	init_h2fwcmd_w_parm_no_rsp(ph2c, ptxBeacon_parm, GEN_CMD_CODE(_TX_Beacon));
5776 
5777 	res = rtw_enqueue_cmd(pcmdpriv, ph2c);
5778 
5779 exit:
5780 	return res;
5781 }
5782 
5783 static struct fwevent wlanevents[] = {
5784 	{0, rtw_dummy_event_callback},	/*0*/
5785 	{0, NULL},
5786 	{0, NULL},
5787 	{0, NULL},
5788 	{0, NULL},
5789 	{0, NULL},
5790 	{0, NULL},
5791 	{0, NULL},
5792 	{0, &rtw_survey_event_callback},		/*8*/
5793 	{sizeof(struct surveydone_event), &rtw_surveydone_event_callback},	/*9*/
5794 
5795 	{0, &rtw_joinbss_event_callback},		/*10*/
5796 	{sizeof(struct stassoc_event), &rtw_stassoc_event_callback},
5797 	{sizeof(struct stadel_event), &rtw_stadel_event_callback},
5798 	{0, &rtw_atimdone_event_callback},
5799 	{0, rtw_dummy_event_callback},
5800 	{0, NULL},	/*15*/
5801 	{0, NULL},
5802 	{0, NULL},
5803 	{0, NULL},
5804 	{0, rtw_fwdbg_event_callback},
5805 	{0, NULL},	 /*20*/
5806 	{0, NULL},
5807 	{0, NULL},
5808 	{0, &rtw_cpwm_event_callback},
5809 	{0, NULL},
5810 	{0, &rtw_wmm_event_callback},
5811 
5812 };
5813 
mlme_evt_hdl(struct adapter * padapter,unsigned char * pbuf)5814 u8 mlme_evt_hdl(struct adapter *padapter, unsigned char *pbuf)
5815 {
5816 	u8 evt_code;
5817 	u16 evt_sz;
5818 	uint	*peventbuf;
5819 	void (*event_callback)(struct adapter *dev, u8 *pbuf);
5820 	struct evt_priv *pevt_priv = &(padapter->evtpriv);
5821 
5822 	if (!pbuf)
5823 		goto _abort_event_;
5824 
5825 	peventbuf = (uint *)pbuf;
5826 	evt_sz = (u16)(*peventbuf&0xffff);
5827 	evt_code = (u8)((*peventbuf>>16)&0xff);
5828 
5829 	/*  checking if event code is valid */
5830 	if (evt_code >= MAX_C2HEVT)
5831 		goto _abort_event_;
5832 
5833 	/*  checking if event size match the event parm size */
5834 	if ((wlanevents[evt_code].parmsize != 0) &&
5835 			(wlanevents[evt_code].parmsize != evt_sz))
5836 		goto _abort_event_;
5837 
5838 	atomic_inc(&pevt_priv->event_seq);
5839 
5840 	peventbuf += 2;
5841 
5842 	if (peventbuf) {
5843 		event_callback = wlanevents[evt_code].event_callback;
5844 		event_callback(padapter, (u8 *)peventbuf);
5845 
5846 		pevt_priv->evt_done_cnt++;
5847 	}
5848 
5849 
5850 _abort_event_:
5851 
5852 
5853 	return H2C_SUCCESS;
5854 
5855 }
5856 
h2c_msg_hdl(struct adapter * padapter,unsigned char * pbuf)5857 u8 h2c_msg_hdl(struct adapter *padapter, unsigned char *pbuf)
5858 {
5859 	if (!pbuf)
5860 		return H2C_PARAMETERS_ERROR;
5861 
5862 	return H2C_SUCCESS;
5863 }
5864 
chk_bmc_sleepq_hdl(struct adapter * padapter,unsigned char * pbuf)5865 u8 chk_bmc_sleepq_hdl(struct adapter *padapter, unsigned char *pbuf)
5866 {
5867 	struct sta_info *psta_bmc;
5868 	struct list_head *xmitframe_plist, *xmitframe_phead, *tmp;
5869 	struct xmit_frame *pxmitframe = NULL;
5870 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
5871 	struct sta_priv  *pstapriv = &padapter->stapriv;
5872 
5873 	/* for BC/MC Frames */
5874 	psta_bmc = rtw_get_bcmc_stainfo(padapter);
5875 	if (!psta_bmc)
5876 		return H2C_SUCCESS;
5877 
5878 	if ((pstapriv->tim_bitmap&BIT(0)) && (psta_bmc->sleepq_len > 0)) {
5879 		msleep(10);/*  10ms, ATIM(HIQ) Windows */
5880 
5881 		/* spin_lock_bh(&psta_bmc->sleep_q.lock); */
5882 		spin_lock_bh(&pxmitpriv->lock);
5883 
5884 		xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
5885 		list_for_each_safe(xmitframe_plist, tmp, xmitframe_phead) {
5886 			pxmitframe = list_entry(xmitframe_plist,
5887 						struct xmit_frame, list);
5888 
5889 			list_del_init(&pxmitframe->list);
5890 
5891 			psta_bmc->sleepq_len--;
5892 			if (psta_bmc->sleepq_len > 0)
5893 				pxmitframe->attrib.mdata = 1;
5894 			else
5895 				pxmitframe->attrib.mdata = 0;
5896 
5897 			pxmitframe->attrib.triggered = 1;
5898 
5899 			if (xmitframe_hiq_filter(pxmitframe))
5900 				pxmitframe->attrib.qsel = 0x11;/* HIQ */
5901 
5902 			rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
5903 		}
5904 
5905 		/* spin_unlock_bh(&psta_bmc->sleep_q.lock); */
5906 		spin_unlock_bh(&pxmitpriv->lock);
5907 
5908 		/* check hi queue and bmc_sleepq */
5909 		rtw_chk_hi_queue_cmd(padapter);
5910 	}
5911 
5912 	return H2C_SUCCESS;
5913 }
5914 
tx_beacon_hdl(struct adapter * padapter,unsigned char * pbuf)5915 u8 tx_beacon_hdl(struct adapter *padapter, unsigned char *pbuf)
5916 {
5917 	if (send_beacon(padapter) == _FAIL)
5918 		return H2C_PARAMETERS_ERROR;
5919 
5920 	/* tx bc/mc frames after update TIM */
5921 	chk_bmc_sleepq_hdl(padapter, NULL);
5922 
5923 	return H2C_SUCCESS;
5924 }
5925 
rtw_chk_start_clnt_join(struct adapter * padapter,u8 * ch,u8 * bw,u8 * offset)5926 int rtw_chk_start_clnt_join(struct adapter *padapter, u8 *ch, u8 *bw, u8 *offset)
5927 {
5928 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5929 	unsigned char cur_ch = pmlmeext->cur_channel;
5930 	unsigned char cur_bw = pmlmeext->cur_bwmode;
5931 	unsigned char cur_ch_offset = pmlmeext->cur_ch_offset;
5932 	bool connect_allow = true;
5933 
5934 	if (!ch || !bw || !offset) {
5935 		rtw_warn_on(1);
5936 		connect_allow = false;
5937 	}
5938 
5939 	if (connect_allow) {
5940 		*ch = cur_ch;
5941 		*bw = cur_bw;
5942 		*offset = cur_ch_offset;
5943 	}
5944 
5945 	return connect_allow ? _SUCCESS : _FAIL;
5946 }
5947 
set_ch_hdl(struct adapter * padapter,u8 * pbuf)5948 u8 set_ch_hdl(struct adapter *padapter, u8 *pbuf)
5949 {
5950 	struct set_ch_parm *set_ch_parm;
5951 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5952 
5953 	if (!pbuf)
5954 		return H2C_PARAMETERS_ERROR;
5955 
5956 	set_ch_parm = (struct set_ch_parm *)pbuf;
5957 
5958 	pmlmeext->cur_channel = set_ch_parm->ch;
5959 	pmlmeext->cur_ch_offset = set_ch_parm->ch_offset;
5960 	pmlmeext->cur_bwmode = set_ch_parm->bw;
5961 
5962 	set_channel_bwmode(padapter, set_ch_parm->ch, set_ch_parm->ch_offset, set_ch_parm->bw);
5963 
5964 	return	H2C_SUCCESS;
5965 }
5966 
set_chplan_hdl(struct adapter * padapter,unsigned char * pbuf)5967 u8 set_chplan_hdl(struct adapter *padapter, unsigned char *pbuf)
5968 {
5969 	struct SetChannelPlan_param *setChannelPlan_param;
5970 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5971 
5972 	if (!pbuf)
5973 		return H2C_PARAMETERS_ERROR;
5974 
5975 	setChannelPlan_param = (struct SetChannelPlan_param *)pbuf;
5976 
5977 	pmlmeext->max_chan_nums = init_channel_set(padapter, setChannelPlan_param->channel_plan, pmlmeext->channel_set);
5978 	init_channel_list(padapter, pmlmeext->channel_set, pmlmeext->max_chan_nums, &pmlmeext->channel_list);
5979 
5980 	if (padapter->rtw_wdev && padapter->rtw_wdev->wiphy) {
5981 		struct regulatory_request request;
5982 
5983 		request.initiator = NL80211_REGDOM_SET_BY_DRIVER;
5984 		rtw_reg_notifier(padapter->rtw_wdev->wiphy, &request);
5985 	}
5986 
5987 	return	H2C_SUCCESS;
5988 }
5989 
set_csa_hdl(struct adapter * padapter,unsigned char * pbuf)5990 u8 set_csa_hdl(struct adapter *padapter, unsigned char *pbuf)
5991 {
5992 	return	H2C_REJECTED;
5993 }
5994 
5995 /*  TDLS_ESTABLISHED	: write RCR DATA BIT */
5996 /*  TDLS_CS_OFF		: go back to the channel linked with AP, terminating channel switch procedure */
5997 /*  TDLS_INIT_CH_SEN	: init channel sensing, receive all data and mgnt frame */
5998 /*  TDLS_DONE_CH_SEN: channel sensing and report candidate channel */
5999 /*  TDLS_OFF_CH		: first time set channel to off channel */
6000 /*  TDLS_BASE_CH		: go back tp the channel linked with AP when set base channel as target channel */
6001 /*  TDLS_P_OFF_CH	: periodically go to off channel */
6002 /*  TDLS_P_BASE_CH	: periodically go back to base channel */
6003 /*  TDLS_RS_RCR		: restore RCR */
6004 /*  TDLS_TEAR_STA	: free tdls sta */
tdls_hdl(struct adapter * padapter,unsigned char * pbuf)6005 u8 tdls_hdl(struct adapter *padapter, unsigned char *pbuf)
6006 {
6007 	return H2C_REJECTED;
6008 }
6009 
run_in_thread_hdl(struct adapter * padapter,u8 * pbuf)6010 u8 run_in_thread_hdl(struct adapter *padapter, u8 *pbuf)
6011 {
6012 	struct RunInThread_param *p;
6013 
6014 
6015 	if (pbuf == NULL)
6016 		return H2C_PARAMETERS_ERROR;
6017 	p = (struct RunInThread_param *)pbuf;
6018 
6019 	if (p->func)
6020 		p->func(p->context);
6021 
6022 	return H2C_SUCCESS;
6023 }
6024