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