1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3  *
4  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5  *
6  ******************************************************************************/
7 #define _RTW_MLME_EXT_C_
8 
9 #include <drv_types.h>
10 #include <rtw_debug.h>
11 #include <rtw_wifi_regd.h>
12 #include <linux/kernel.h>
13 
14 
15 static struct mlme_handler mlme_sta_tbl[] = {
16 	{WIFI_ASSOCREQ,		"OnAssocReq",	&OnAssocReq},
17 	{WIFI_ASSOCRSP,		"OnAssocRsp",	&OnAssocRsp},
18 	{WIFI_REASSOCREQ,	"OnReAssocReq",	&OnAssocReq},
19 	{WIFI_REASSOCRSP,	"OnReAssocRsp",	&OnAssocRsp},
20 	{WIFI_PROBEREQ,		"OnProbeReq",	&OnProbeReq},
21 	{WIFI_PROBERSP,		"OnProbeRsp",		&OnProbeRsp},
22 
23 	/*----------------------------------------------------------
24 					below 2 are reserved
25 	-----------------------------------------------------------*/
26 	{0,					"DoReserved",		&DoReserved},
27 	{0,					"DoReserved",		&DoReserved},
28 	{WIFI_BEACON,		"OnBeacon",		&OnBeacon},
29 	{WIFI_ATIM,			"OnATIM",		&OnAtim},
30 	{WIFI_DISASSOC,		"OnDisassoc",		&OnDisassoc},
31 	{WIFI_AUTH,			"OnAuth",		&OnAuthClient},
32 	{WIFI_DEAUTH,		"OnDeAuth",		&OnDeAuth},
33 	{WIFI_ACTION,		"OnAction",		&OnAction},
34 	{WIFI_ACTION_NOACK, "OnActionNoAck",	&OnAction},
35 };
36 
37 static struct action_handler OnAction_tbl[] = {
38 	{RTW_WLAN_CATEGORY_SPECTRUM_MGMT,	 "ACTION_SPECTRUM_MGMT", on_action_spct},
39 	{RTW_WLAN_CATEGORY_QOS, "ACTION_QOS", &DoReserved},
40 	{RTW_WLAN_CATEGORY_DLS, "ACTION_DLS", &DoReserved},
41 	{RTW_WLAN_CATEGORY_BACK, "ACTION_BACK", &OnAction_back},
42 	{RTW_WLAN_CATEGORY_PUBLIC, "ACTION_PUBLIC", on_action_public},
43 	{RTW_WLAN_CATEGORY_RADIO_MEASUREMENT, "ACTION_RADIO_MEASUREMENT", &DoReserved},
44 	{RTW_WLAN_CATEGORY_FT, "ACTION_FT",	&DoReserved},
45 	{RTW_WLAN_CATEGORY_HT,	"ACTION_HT",	&OnAction_ht},
46 	{RTW_WLAN_CATEGORY_SA_QUERY, "ACTION_SA_QUERY", &OnAction_sa_query},
47 	{RTW_WLAN_CATEGORY_UNPROTECTED_WNM, "ACTION_UNPROTECTED_WNM", &DoReserved},
48 	{RTW_WLAN_CATEGORY_SELF_PROTECTED, "ACTION_SELF_PROTECTED", &DoReserved},
49 	{RTW_WLAN_CATEGORY_WMM, "ACTION_WMM", &DoReserved},
50 	{RTW_WLAN_CATEGORY_VHT, "ACTION_VHT", &DoReserved},
51 	{RTW_WLAN_CATEGORY_P2P, "ACTION_P2P", &DoReserved},
52 };
53 
54 
55 static u8 null_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
56 
57 /**************************************************
58 OUI definitions for the vendor specific IE
59 ***************************************************/
60 unsigned char RTW_WPA_OUI[] = {0x00, 0x50, 0xf2, 0x01};
61 unsigned char WMM_OUI[] = {0x00, 0x50, 0xf2, 0x02};
62 unsigned char WPS_OUI[] = {0x00, 0x50, 0xf2, 0x04};
63 unsigned char P2P_OUI[] = {0x50, 0x6F, 0x9A, 0x09};
64 unsigned char WFD_OUI[] = {0x50, 0x6F, 0x9A, 0x0A};
65 
66 unsigned char WMM_INFO_OUI[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01};
67 unsigned char WMM_PARA_OUI[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
68 
69 static unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
70 
71 /********************************************************
72 ChannelPlan definitions
73 *********************************************************/
74 static RT_CHANNEL_PLAN_2G	RTW_ChannelPlan2G[RT_CHANNEL_DOMAIN_2G_MAX] = {
75 	{{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 */
76 	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},		/*  0x01, RT_CHANNEL_DOMAIN_2G_ETSI1 */
77 	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},			/*  0x02, RT_CHANNEL_DOMAIN_2G_FCC1 */
78 	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14},	/*  0x03, RT_CHANNEL_DOMAIN_2G_MIKK1 */
79 	{{10, 11, 12, 13}, 4},						/*  0x04, RT_CHANNEL_DOMAIN_2G_ETSI2 */
80 	{{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 */
81 	{{}, 0},								/*  0x06, RT_CHANNEL_DOMAIN_2G_NULL */
82 };
83 
84 static RT_CHANNEL_PLAN_5G	RTW_ChannelPlan5G[RT_CHANNEL_DOMAIN_5G_MAX] = {
85 	{{}, 0},																					/*  0x00, RT_CHANNEL_DOMAIN_5G_NULL */
86 	{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140}, 19},						/*  0x01, RT_CHANNEL_DOMAIN_5G_ETSI1 */
87 	{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 149, 153, 157, 161, 165}, 24},	/*  0x02, RT_CHANNEL_DOMAIN_5G_ETSI2 */
88 	{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 149, 153, 157, 161, 165}, 22},			/*  0x03, RT_CHANNEL_DOMAIN_5G_ETSI3 */
89 	{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 149, 153, 157, 161, 165}, 24},	/*  0x04, RT_CHANNEL_DOMAIN_5G_FCC1 */
90 	{{36, 40, 44, 48, 149, 153, 157, 161, 165}, 9},														/*  0x05, RT_CHANNEL_DOMAIN_5G_FCC2 */
91 	{{36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 13},											/*  0x06, RT_CHANNEL_DOMAIN_5G_FCC3 */
92 	{{36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161}, 12},												/*  0x07, RT_CHANNEL_DOMAIN_5G_FCC4 */
93 	{{149, 153, 157, 161, 165}, 5},																	/*  0x08, RT_CHANNEL_DOMAIN_5G_FCC5 */
94 	{{36, 40, 44, 48, 52, 56, 60, 64}, 8},																/*  0x09, RT_CHANNEL_DOMAIN_5G_FCC6 */
95 	{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 136, 140, 149, 153, 157, 161, 165}, 20},					/*  0x0A, RT_CHANNEL_DOMAIN_5G_FCC7_IC1 */
96 	{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 149, 153, 157, 161, 165}, 20},					/*  0x0B, RT_CHANNEL_DOMAIN_5G_KCC1 */
97 	{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140}, 19},						/*  0x0C, RT_CHANNEL_DOMAIN_5G_MKK1 */
98 	{{36, 40, 44, 48, 52, 56, 60, 64}, 8},																/*  0x0D, RT_CHANNEL_DOMAIN_5G_MKK2 */
99 	{{100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140}, 11},											/*  0x0E, RT_CHANNEL_DOMAIN_5G_MKK3 */
100 	{{56, 60, 64, 100, 104, 108, 112, 116, 136, 140, 149, 153, 157, 161, 165}, 15},								/*  0x0F, RT_CHANNEL_DOMAIN_5G_NCC1 */
101 	{{56, 60, 64, 149, 153, 157, 161, 165}, 8},															/*  0x10, RT_CHANNEL_DOMAIN_5G_NCC2 */
102 	{{149, 153, 157, 161, 165}, 5},																	/*  0x11, RT_CHANNEL_DOMAIN_5G_NCC3 */
103 	{{36, 40, 44, 48}, 4},																			/*  0x12, RT_CHANNEL_DOMAIN_5G_ETSI4 */
104 	{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 136, 140, 149, 153, 157, 161, 165}, 20},					/*  0x13, RT_CHANNEL_DOMAIN_5G_ETSI5 */
105 	{{149, 153, 157, 161}, 4},																		/*  0x14, RT_CHANNEL_DOMAIN_5G_FCC8 */
106 	{{36, 40, 44, 48, 52, 56, 60, 64}, 8},																/*  0x15, RT_CHANNEL_DOMAIN_5G_ETSI6 */
107 	{{36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 13},											/*  0x16, RT_CHANNEL_DOMAIN_5G_ETSI7 */
108 	{{36, 40, 44, 48, 149, 153, 157, 161, 165}, 9},														/*  0x17, RT_CHANNEL_DOMAIN_5G_ETSI8 */
109 	{{100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140}, 11},											/*  0x18, RT_CHANNEL_DOMAIN_5G_ETSI9 */
110 	{{149, 153, 157, 161, 165}, 5},																	/*  0x19, RT_CHANNEL_DOMAIN_5G_ETSI10 */
111 	{{36, 40, 44, 48, 52, 56, 60, 64, 132, 136, 140, 149, 153, 157, 161, 165}, 16},									/*  0x1A, RT_CHANNEL_DOMAIN_5G_ETSI11 */
112 	{{52, 56, 60, 64, 100, 104, 108, 112, 116, 132, 136, 140, 149, 153, 157, 161, 165}, 17},							/*  0x1B, RT_CHANNEL_DOMAIN_5G_NCC4 */
113 	{{149, 153, 157, 161}, 4},																		/*  0x1C, RT_CHANNEL_DOMAIN_5G_ETSI12 */
114 	{{36, 40, 44, 48, 100, 104, 108, 112, 116, 132, 136, 140, 149, 153, 157, 161, 165}, 17},							/*  0x1D, RT_CHANNEL_DOMAIN_5G_FCC9 */
115 	{{36, 40, 44, 48, 100, 104, 108, 112, 116, 132, 136, 140}, 12},											/*  0x1E, RT_CHANNEL_DOMAIN_5G_ETSI13 */
116 	{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 132, 136, 140, 149, 153, 157, 161}, 20},					/*  0x1F, RT_CHANNEL_DOMAIN_5G_FCC10 */
117 
118 	/*  Driver self defined for old channel plan Compatible , Remember to modify if have new channel plan definition ===== */
119 	{{36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 132, 136, 140, 149, 153, 157, 161, 165}, 21},				/*  0x20, RT_CHANNEL_DOMAIN_5G_FCC */
120 	{{36, 40, 44, 48}, 4},																			/*  0x21, RT_CHANNEL_DOMAIN_5G_JAPAN_NO_DFS */
121 	{{36, 40, 44, 48, 149, 153, 157, 161}, 8},															/*  0x22, RT_CHANNEL_DOMAIN_5G_FCC4_NO_DFS */
122 };
123 
124 static RT_CHANNEL_PLAN_MAP	RTW_ChannelPlanMap[RT_CHANNEL_DOMAIN_MAX] = {
125 	/*  0x00 ~ 0x1F , Old Define ===== */
126 	{0x02, 0x20},	/* 0x00, RT_CHANNEL_DOMAIN_FCC */
127 	{0x02, 0x0A},	/* 0x01, RT_CHANNEL_DOMAIN_IC */
128 	{0x01, 0x01},	/* 0x02, RT_CHANNEL_DOMAIN_ETSI */
129 	{0x01, 0x00},	/* 0x03, RT_CHANNEL_DOMAIN_SPAIN */
130 	{0x01, 0x00},	/* 0x04, RT_CHANNEL_DOMAIN_FRANCE */
131 	{0x03, 0x00},	/* 0x05, RT_CHANNEL_DOMAIN_MKK */
132 	{0x03, 0x00},	/* 0x06, RT_CHANNEL_DOMAIN_MKK1 */
133 	{0x01, 0x09},	/* 0x07, RT_CHANNEL_DOMAIN_ISRAEL */
134 	{0x03, 0x09},	/* 0x08, RT_CHANNEL_DOMAIN_TELEC */
135 	{0x03, 0x00},	/* 0x09, RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN */
136 	{0x00, 0x00},	/* 0x0A, RT_CHANNEL_DOMAIN_WORLD_WIDE_13 */
137 	{0x02, 0x0F},	/* 0x0B, RT_CHANNEL_DOMAIN_TAIWAN */
138 	{0x01, 0x08},	/* 0x0C, RT_CHANNEL_DOMAIN_CHINA */
139 	{0x02, 0x06},	/* 0x0D, RT_CHANNEL_DOMAIN_SINGAPORE_INDIA_MEXICO */
140 	{0x02, 0x0B},	/* 0x0E, RT_CHANNEL_DOMAIN_KOREA */
141 	{0x02, 0x09},	/* 0x0F, RT_CHANNEL_DOMAIN_TURKEY */
142 	{0x01, 0x01},	/* 0x10, RT_CHANNEL_DOMAIN_JAPAN */
143 	{0x02, 0x05},	/* 0x11, RT_CHANNEL_DOMAIN_FCC_NO_DFS */
144 	{0x01, 0x21},	/* 0x12, RT_CHANNEL_DOMAIN_JAPAN_NO_DFS */
145 	{0x00, 0x04},	/* 0x13, RT_CHANNEL_DOMAIN_WORLD_WIDE_5G */
146 	{0x02, 0x10},	/* 0x14, RT_CHANNEL_DOMAIN_TAIWAN_NO_DFS */
147 	{0x00, 0x21},	/* 0x15, RT_CHANNEL_DOMAIN_ETSI_NO_DFS */
148 	{0x00, 0x22},	/* 0x16, RT_CHANNEL_DOMAIN_KOREA_NO_DFS */
149 	{0x03, 0x21},	/* 0x17, RT_CHANNEL_DOMAIN_JAPAN_NO_DFS */
150 	{0x06, 0x08},	/* 0x18, RT_CHANNEL_DOMAIN_PAKISTAN_NO_DFS */
151 	{0x02, 0x08},	/* 0x19, RT_CHANNEL_DOMAIN_TAIWAN2_NO_DFS */
152 	{0x00, 0x00},	/* 0x1A, */
153 	{0x00, 0x00},	/* 0x1B, */
154 	{0x00, 0x00},	/* 0x1C, */
155 	{0x00, 0x00},	/* 0x1D, */
156 	{0x00, 0x00},	/* 0x1E, */
157 	{0x06, 0x04},	/* 0x1F, RT_CHANNEL_DOMAIN_WORLD_WIDE_ONLY_5G */
158 	/*  0x20 ~ 0x7F , New Define ===== */
159 	{0x00, 0x00},	/* 0x20, RT_CHANNEL_DOMAIN_WORLD_NULL */
160 	{0x01, 0x00},	/* 0x21, RT_CHANNEL_DOMAIN_ETSI1_NULL */
161 	{0x02, 0x00},	/* 0x22, RT_CHANNEL_DOMAIN_FCC1_NULL */
162 	{0x03, 0x00},	/* 0x23, RT_CHANNEL_DOMAIN_MKK1_NULL */
163 	{0x04, 0x00},	/* 0x24, RT_CHANNEL_DOMAIN_ETSI2_NULL */
164 	{0x02, 0x04},	/* 0x25, RT_CHANNEL_DOMAIN_FCC1_FCC1 */
165 	{0x00, 0x01},	/* 0x26, RT_CHANNEL_DOMAIN_WORLD_ETSI1 */
166 	{0x03, 0x0C},	/* 0x27, RT_CHANNEL_DOMAIN_MKK1_MKK1 */
167 	{0x00, 0x0B},	/* 0x28, RT_CHANNEL_DOMAIN_WORLD_KCC1 */
168 	{0x00, 0x05},	/* 0x29, RT_CHANNEL_DOMAIN_WORLD_FCC2 */
169 	{0x00, 0x00},	/* 0x2A, */
170 	{0x00, 0x00},	/* 0x2B, */
171 	{0x00, 0x00},	/* 0x2C, */
172 	{0x00, 0x00},	/* 0x2D, */
173 	{0x00, 0x00},	/* 0x2E, */
174 	{0x00, 0x00},	/* 0x2F, */
175 	{0x00, 0x06},	/* 0x30, RT_CHANNEL_DOMAIN_WORLD_FCC3 */
176 	{0x00, 0x07},	/* 0x31, RT_CHANNEL_DOMAIN_WORLD_FCC4 */
177 	{0x00, 0x08},	/* 0x32, RT_CHANNEL_DOMAIN_WORLD_FCC5 */
178 	{0x00, 0x09},	/* 0x33, RT_CHANNEL_DOMAIN_WORLD_FCC6 */
179 	{0x02, 0x0A},	/* 0x34, RT_CHANNEL_DOMAIN_FCC1_FCC7 */
180 	{0x00, 0x02},	/* 0x35, RT_CHANNEL_DOMAIN_WORLD_ETSI2 */
181 	{0x00, 0x03},	/* 0x36, RT_CHANNEL_DOMAIN_WORLD_ETSI3 */
182 	{0x03, 0x0D},	/* 0x37, RT_CHANNEL_DOMAIN_MKK1_MKK2 */
183 	{0x03, 0x0E},	/* 0x38, RT_CHANNEL_DOMAIN_MKK1_MKK3 */
184 	{0x02, 0x0F},	/* 0x39, RT_CHANNEL_DOMAIN_FCC1_NCC1 */
185 	{0x00, 0x00},	/* 0x3A, */
186 	{0x00, 0x00},	/* 0x3B, */
187 	{0x00, 0x00},	/* 0x3C, */
188 	{0x00, 0x00},	/* 0x3D, */
189 	{0x00, 0x00},	/* 0x3E, */
190 	{0x00, 0x00},	/* 0x3F, */
191 	{0x02, 0x10},	/* 0x40, RT_CHANNEL_DOMAIN_FCC1_NCC2 */
192 	{0x05, 0x00},	/* 0x41, RT_CHANNEL_DOMAIN_GLOBAL_NULL */
193 	{0x01, 0x12},	/* 0x42, RT_CHANNEL_DOMAIN_ETSI1_ETSI4 */
194 	{0x02, 0x05},	/* 0x43, RT_CHANNEL_DOMAIN_FCC1_FCC2 */
195 	{0x02, 0x11},	/* 0x44, RT_CHANNEL_DOMAIN_FCC1_NCC3 */
196 	{0x00, 0x13},	/* 0x45, RT_CHANNEL_DOMAIN_WORLD_ETSI5 */
197 	{0x02, 0x14},	/* 0x46, RT_CHANNEL_DOMAIN_FCC1_FCC8 */
198 	{0x00, 0x15},	/* 0x47, RT_CHANNEL_DOMAIN_WORLD_ETSI6 */
199 	{0x00, 0x16},	/* 0x48, RT_CHANNEL_DOMAIN_WORLD_ETSI7 */
200 	{0x00, 0x17},	/* 0x49, RT_CHANNEL_DOMAIN_WORLD_ETSI8 */
201 	{0x00, 0x18},	/* 0x50, RT_CHANNEL_DOMAIN_WORLD_ETSI9 */
202 	{0x00, 0x19},	/* 0x51, RT_CHANNEL_DOMAIN_WORLD_ETSI10 */
203 	{0x00, 0x1A},	/* 0x52, RT_CHANNEL_DOMAIN_WORLD_ETSI11 */
204 	{0x02, 0x1B},	/* 0x53, RT_CHANNEL_DOMAIN_FCC1_NCC4 */
205 	{0x00, 0x1C},	/* 0x54, RT_CHANNEL_DOMAIN_WORLD_ETSI12 */
206 	{0x02, 0x1D},	/* 0x55, RT_CHANNEL_DOMAIN_FCC1_FCC9 */
207 	{0x00, 0x1E},	/* 0x56, RT_CHANNEL_DOMAIN_WORLD_ETSI13 */
208 	{0x02, 0x1F},	/* 0x57, RT_CHANNEL_DOMAIN_FCC1_FCC10 */
209 };
210 
211 static RT_CHANNEL_PLAN_MAP	RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE = {0x03, 0x02}; /* use the conbination for max channel numbers */
212 
213 /*
214  * Search the @param ch in given @param ch_set
215  * @ch_set: the given channel set
216  * @ch: the given channel number
217  *
218  * return the index of channel_num in channel_set, -1 if not found
219  */
rtw_ch_set_search_ch(RT_CHANNEL_INFO * ch_set,const u32 ch)220 int rtw_ch_set_search_ch(RT_CHANNEL_INFO *ch_set, const u32 ch)
221 {
222 	int i;
223 	for (i = 0; ch_set[i].ChannelNum != 0; i++) {
224 		if (ch == ch_set[i].ChannelNum)
225 			break;
226 	}
227 
228 	if (i >= ch_set[i].ChannelNum)
229 		return -1;
230 	return i;
231 }
232 
233 /*
234  * Check the @param ch is fit with setband setting of @param adapter
235  * @adapter: the given adapter
236  * @ch: the given channel number
237  *
238  * return true when check valid, false not valid
239  */
rtw_mlme_band_check(struct adapter * adapter,const u32 ch)240 bool rtw_mlme_band_check(struct adapter *adapter, const u32 ch)
241 {
242 	if (adapter->setband == GHZ24_50 /* 2.4G and 5G */
243 		|| (adapter->setband == GHZ_24 && ch < 35) /* 2.4G only */
244 		|| (adapter->setband == GHZ_50 && ch > 35) /* 5G only */
245 	) {
246 		return true;
247 	}
248 	return false;
249 }
250 
251 /****************************************************************************
252 
253 Following are the initialization functions for WiFi MLME
254 
255 *****************************************************************************/
256 
init_hw_mlme_ext(struct adapter * padapter)257 int init_hw_mlme_ext(struct adapter *padapter)
258 {
259 	struct	mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
260 
261 	set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
262 	return _SUCCESS;
263 }
264 
init_mlme_default_rate_set(struct adapter * padapter)265 void init_mlme_default_rate_set(struct adapter *padapter)
266 {
267 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
268 
269 	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};
270 	unsigned char mixed_basicrate[NumRates] = {_1M_RATE_, _2M_RATE_, _5M_RATE_, _11M_RATE_, _6M_RATE_, _12M_RATE_, _24M_RATE_, 0xff,};
271 	unsigned char supported_mcs_set[16] = {0xff, 0xff, 0x00, 0x00, 0x01, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
272 
273 	memcpy(pmlmeext->datarate, mixed_datarate, NumRates);
274 	memcpy(pmlmeext->basicrate, mixed_basicrate, NumRates);
275 
276 	memcpy(pmlmeext->default_supported_mcs_set, supported_mcs_set, sizeof(pmlmeext->default_supported_mcs_set));
277 }
278 
init_mlme_ext_priv_value(struct adapter * padapter)279 static void init_mlme_ext_priv_value(struct adapter *padapter)
280 {
281 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
282 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
283 
284 	atomic_set(&pmlmeext->event_seq, 0);
285 	pmlmeext->mgnt_seq = 0;/* reset to zero when disconnect at client mode */
286 	pmlmeext->sa_query_seq = 0;
287 	pmlmeext->mgnt_80211w_IPN = 0;
288 	pmlmeext->mgnt_80211w_IPN_rx = 0;
289 	pmlmeext->cur_channel = padapter->registrypriv.channel;
290 	pmlmeext->cur_bwmode = CHANNEL_WIDTH_20;
291 	pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
292 
293 	pmlmeext->retry = 0;
294 
295 	pmlmeext->cur_wireless_mode = padapter->registrypriv.wireless_mode;
296 
297 	init_mlme_default_rate_set(padapter);
298 
299 	if (pmlmeext->cur_channel > 14)
300 		pmlmeext->tx_rate = IEEE80211_OFDM_RATE_6MB;
301 	else
302 		pmlmeext->tx_rate = IEEE80211_CCK_RATE_1MB;
303 
304 	pmlmeext->sitesurvey_res.state = SCAN_DISABLE;
305 	pmlmeext->sitesurvey_res.channel_idx = 0;
306 	pmlmeext->sitesurvey_res.bss_cnt = 0;
307 	pmlmeext->scan_abort = false;
308 
309 	pmlmeinfo->state = WIFI_FW_NULL_STATE;
310 	pmlmeinfo->reauth_count = 0;
311 	pmlmeinfo->reassoc_count = 0;
312 	pmlmeinfo->link_count = 0;
313 	pmlmeinfo->auth_seq = 0;
314 	pmlmeinfo->auth_algo = dot11AuthAlgrthm_Open;
315 	pmlmeinfo->key_index = 0;
316 	pmlmeinfo->iv = 0;
317 
318 	pmlmeinfo->enc_algo = _NO_PRIVACY_;
319 	pmlmeinfo->authModeToggle = 0;
320 
321 	memset(pmlmeinfo->chg_txt, 0, 128);
322 
323 	pmlmeinfo->slotTime = SHORT_SLOT_TIME;
324 	pmlmeinfo->preamble_mode = PREAMBLE_AUTO;
325 
326 	pmlmeinfo->dialogToken = 0;
327 
328 	pmlmeext->action_public_rxseq = 0xffff;
329 	pmlmeext->action_public_dialog_token = 0xff;
330 }
331 
has_channel(RT_CHANNEL_INFO * channel_set,u8 chanset_size,u8 chan)332 static int has_channel(RT_CHANNEL_INFO *channel_set,
333 					   u8 chanset_size,
334 					   u8 chan)
335 {
336 	int i;
337 
338 	for (i = 0; i < chanset_size; i++) {
339 		if (channel_set[i].ChannelNum == chan) {
340 			return 1;
341 		}
342 	}
343 
344 	return 0;
345 }
346 
init_channel_list(struct adapter * padapter,RT_CHANNEL_INFO * channel_set,u8 chanset_size,struct p2p_channels * channel_list)347 static void init_channel_list(struct adapter *padapter, RT_CHANNEL_INFO *channel_set,
348 							  u8 chanset_size,
349 							  struct p2p_channels *channel_list)
350 {
351 
352 	struct p2p_oper_class_map op_class[] = {
353 		{ IEEE80211G,  81,   1,  13,  1, BW20 },
354 		{ IEEE80211G,  82,  14,  14,  1, BW20 },
355 		{ IEEE80211A, 115,  36,  48,  4, BW20 },
356 		{ IEEE80211A, 116,  36,  44,  8, BW40PLUS },
357 		{ IEEE80211A, 117,  40,  48,  8, BW40MINUS },
358 		{ IEEE80211A, 124, 149, 161,  4, BW20 },
359 		{ IEEE80211A, 125, 149, 169,  4, BW20 },
360 		{ IEEE80211A, 126, 149, 157,  8, BW40PLUS },
361 		{ IEEE80211A, 127, 153, 161,  8, BW40MINUS },
362 		{ -1, 0, 0, 0, 0, BW20 }
363 	};
364 
365 	int cla, op;
366 
367 	cla = 0;
368 
369 	for (op = 0; op_class[op].op_class; op++) {
370 		u8 ch;
371 		struct p2p_oper_class_map *o = &op_class[op];
372 		struct p2p_reg_class *reg = NULL;
373 
374 		for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
375 			if (!has_channel(channel_set, chanset_size, ch)) {
376 				continue;
377 			}
378 
379 			if ((0 == padapter->registrypriv.ht_enable) && (8 == o->inc))
380 				continue;
381 
382 			if ((0 < (padapter->registrypriv.bw_mode & 0xf0)) &&
383 				((BW40MINUS == o->bw) || (BW40PLUS == o->bw)))
384 				continue;
385 
386 			if (reg == NULL) {
387 				reg = &channel_list->reg_class[cla];
388 				cla++;
389 				reg->reg_class = o->op_class;
390 				reg->channels = 0;
391 			}
392 			reg->channel[reg->channels] = ch;
393 			reg->channels++;
394 		}
395 	}
396 	channel_list->reg_classes = cla;
397 
398 }
399 
init_channel_set(struct adapter * padapter,u8 ChannelPlan,RT_CHANNEL_INFO * channel_set)400 static u8 init_channel_set(struct adapter *padapter, u8 ChannelPlan, RT_CHANNEL_INFO *channel_set)
401 {
402 	u8 index, chanset_size = 0;
403 	u8 b5GBand = false, b2_4GBand = false;
404 	u8 Index2G = 0, Index5G = 0;
405 
406 	memset(channel_set, 0, sizeof(RT_CHANNEL_INFO)*MAX_CHANNEL_NUM);
407 
408 	if (ChannelPlan >= RT_CHANNEL_DOMAIN_MAX && ChannelPlan != RT_CHANNEL_DOMAIN_REALTEK_DEFINE) {
409 		DBG_871X("ChannelPlan ID %x error !!!!!\n", ChannelPlan);
410 		return chanset_size;
411 	}
412 
413 	if (IsSupported24G(padapter->registrypriv.wireless_mode)) {
414 		b2_4GBand = true;
415 		if (RT_CHANNEL_DOMAIN_REALTEK_DEFINE == ChannelPlan)
416 			Index2G = RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE.Index2G;
417 		else
418 			Index2G = RTW_ChannelPlanMap[ChannelPlan].Index2G;
419 	}
420 
421 	if (b2_4GBand) {
422 		for (index = 0; index < RTW_ChannelPlan2G[Index2G].Len; index++) {
423 			channel_set[chanset_size].ChannelNum = RTW_ChannelPlan2G[Index2G].Channel[index];
424 
425 			if ((RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN == ChannelPlan) ||/* Channel 1~11 is active, and 12~14 is passive */
426 				(RT_CHANNEL_DOMAIN_GLOBAL_NULL == ChannelPlan)) {
427 				if (channel_set[chanset_size].ChannelNum >= 1 && channel_set[chanset_size].ChannelNum <= 11)
428 					channel_set[chanset_size].ScanType = SCAN_ACTIVE;
429 				else if ((channel_set[chanset_size].ChannelNum  >= 12 && channel_set[chanset_size].ChannelNum  <= 14))
430 					channel_set[chanset_size].ScanType  = SCAN_PASSIVE;
431 			} else if (RT_CHANNEL_DOMAIN_WORLD_WIDE_13 == ChannelPlan ||
432 				RT_CHANNEL_DOMAIN_WORLD_WIDE_5G == ChannelPlan ||
433 				RT_CHANNEL_DOMAIN_2G_WORLD == Index2G) { /*  channel 12~13, passive scan */
434 				if (channel_set[chanset_size].ChannelNum <= 11)
435 					channel_set[chanset_size].ScanType = SCAN_ACTIVE;
436 				else
437 					channel_set[chanset_size].ScanType = SCAN_PASSIVE;
438 			} else
439 				channel_set[chanset_size].ScanType = SCAN_ACTIVE;
440 
441 			chanset_size++;
442 		}
443 	}
444 
445 	if (b5GBand) {
446 		for (index = 0; index < RTW_ChannelPlan5G[Index5G].Len; index++) {
447 			if (RTW_ChannelPlan5G[Index5G].Channel[index] <= 48
448 				|| RTW_ChannelPlan5G[Index5G].Channel[index] >= 149) {
449 				channel_set[chanset_size].ChannelNum = RTW_ChannelPlan5G[Index5G].Channel[index];
450 				if (RT_CHANNEL_DOMAIN_WORLD_WIDE_5G == ChannelPlan)/* passive scan for all 5G channels */
451 					channel_set[chanset_size].ScanType = SCAN_PASSIVE;
452 				else
453 					channel_set[chanset_size].ScanType = SCAN_ACTIVE;
454 				DBG_871X("%s(): channel_set[%d].ChannelNum = %d\n", __func__, chanset_size, channel_set[chanset_size].ChannelNum);
455 				chanset_size++;
456 			}
457 		}
458 	}
459 
460 	DBG_871X("%s ChannelPlan ID %x Chan num:%d \n", __func__, ChannelPlan, chanset_size);
461 	return chanset_size;
462 }
463 
init_mlme_ext_priv(struct adapter * padapter)464 int	init_mlme_ext_priv(struct adapter *padapter)
465 {
466 	int	res = _SUCCESS;
467 	struct registry_priv *pregistrypriv = &padapter->registrypriv;
468 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
469 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
470 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
471 
472 	pmlmeext->padapter = padapter;
473 
474 	/* fill_fwpriv(padapter, &(pmlmeext->fwpriv)); */
475 
476 	init_mlme_ext_priv_value(padapter);
477 	pmlmeinfo->accept_addba_req = pregistrypriv->accept_addba_req;
478 
479 	init_mlme_ext_timer(padapter);
480 
481 	init_mlme_ap_info(padapter);
482 
483 	pmlmeext->max_chan_nums = init_channel_set(padapter, pmlmepriv->ChannelPlan, pmlmeext->channel_set);
484 	init_channel_list(padapter, pmlmeext->channel_set, pmlmeext->max_chan_nums, &pmlmeext->channel_list);
485 	pmlmeext->last_scan_time = 0;
486 	pmlmeext->chan_scan_time = SURVEY_TO;
487 	pmlmeext->mlmeext_init = true;
488 	pmlmeext->active_keep_alive_check = true;
489 
490 #ifdef DBG_FIXED_CHAN
491 	pmlmeext->fixed_chan = 0xFF;
492 #endif
493 
494 	return res;
495 
496 }
497 
free_mlme_ext_priv(struct mlme_ext_priv * pmlmeext)498 void free_mlme_ext_priv(struct mlme_ext_priv *pmlmeext)
499 {
500 	struct adapter *padapter = pmlmeext->padapter;
501 
502 	if (!padapter)
503 		return;
504 
505 	if (padapter->bDriverStopped) {
506 		del_timer_sync(&pmlmeext->survey_timer);
507 		del_timer_sync(&pmlmeext->link_timer);
508 		/* del_timer_sync(&pmlmeext->ADDBA_timer); */
509 	}
510 }
511 
_mgt_dispatcher(struct adapter * padapter,struct mlme_handler * ptable,union recv_frame * precv_frame)512 static void _mgt_dispatcher(struct adapter *padapter, struct mlme_handler *ptable, union recv_frame *precv_frame)
513 {
514 	u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
515 	u8 *pframe = precv_frame->u.hdr.rx_data;
516 
517 	if (ptable->func) {
518 		/* receive the frames that ra(a1) is my address or ra(a1) is bc address. */
519 		if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) &&
520 		    memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN))
521 			return;
522 
523 		ptable->func(padapter, precv_frame);
524 	}
525 }
526 
mgt_dispatcher(struct adapter * padapter,union recv_frame * precv_frame)527 void mgt_dispatcher(struct adapter *padapter, union recv_frame *precv_frame)
528 {
529 	int index;
530 	struct mlme_handler *ptable;
531 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
532 	u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
533 	u8 *pframe = precv_frame->u.hdr.rx_data;
534 	struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, GetAddr2Ptr(pframe));
535 	struct dvobj_priv *psdpriv = padapter->dvobj;
536 	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
537 
538 	RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
539 		 ("+mgt_dispatcher: type(0x%x) subtype(0x%x)\n",
540 		  GetFrameType(pframe), GetFrameSubType(pframe)));
541 
542 	if (GetFrameType(pframe) != WIFI_MGT_TYPE) {
543 		RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("mgt_dispatcher: type(0x%x) error!\n", GetFrameType(pframe)));
544 		return;
545 	}
546 
547 	/* receive the frames that ra(a1) is my address or ra(a1) is bc address. */
548 	if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) &&
549 		memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN)) {
550 		return;
551 	}
552 
553 	ptable = mlme_sta_tbl;
554 
555 	index = GetFrameSubType(pframe) >> 4;
556 
557 	if (index >= ARRAY_SIZE(mlme_sta_tbl)) {
558 		RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Currently we do not support reserved sub-fr-type =%d\n", index));
559 		return;
560 	}
561 	ptable += index;
562 
563 	if (psta != NULL) {
564 		if (GetRetry(pframe)) {
565 			if (precv_frame->u.hdr.attrib.seq_num == psta->RxMgmtFrameSeqNum) {
566 				/* drop the duplicate management frame */
567 				pdbgpriv->dbg_rx_dup_mgt_frame_drop_count++;
568 				DBG_871X("Drop duplicate management frame with seq_num = %d.\n", precv_frame->u.hdr.attrib.seq_num);
569 				return;
570 			}
571 		}
572 		psta->RxMgmtFrameSeqNum = precv_frame->u.hdr.attrib.seq_num;
573 	}
574 
575 	switch (GetFrameSubType(pframe)) {
576 	case WIFI_AUTH:
577 		if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
578 			ptable->func = &OnAuth;
579 		else
580 			ptable->func = &OnAuthClient;
581 		/* fall through */
582 	case WIFI_ASSOCREQ:
583 	case WIFI_REASSOCREQ:
584 		_mgt_dispatcher(padapter, ptable, precv_frame);
585 		break;
586 	case WIFI_PROBEREQ:
587 		_mgt_dispatcher(padapter, ptable, precv_frame);
588 		break;
589 	case WIFI_BEACON:
590 		_mgt_dispatcher(padapter, ptable, precv_frame);
591 		break;
592 	case WIFI_ACTION:
593 		/* if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) */
594 		_mgt_dispatcher(padapter, ptable, precv_frame);
595 		break;
596 	default:
597 		_mgt_dispatcher(padapter, ptable, precv_frame);
598 		break;
599 	}
600 }
601 
602 /****************************************************************************
603 
604 Following are the callback functions for each subtype of the management frames
605 
606 *****************************************************************************/
607 
OnProbeReq(struct adapter * padapter,union recv_frame * precv_frame)608 unsigned int OnProbeReq(struct adapter *padapter, union recv_frame *precv_frame)
609 {
610 	unsigned int	ielen;
611 	unsigned char *p;
612 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
613 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
614 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
615 	struct wlan_bssid_ex	*cur = &(pmlmeinfo->network);
616 	u8 *pframe = precv_frame->u.hdr.rx_data;
617 	uint len = precv_frame->u.hdr.len;
618 	u8 is_valid_p2p_probereq = false;
619 
620 	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
621 		return _SUCCESS;
622 
623 	if (check_fwstate(pmlmepriv, _FW_LINKED) == false &&
624 		check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE) == false) {
625 		return _SUCCESS;
626 	}
627 
628 
629 	/* DBG_871X("+OnProbeReq\n"); */
630 
631 #ifdef CONFIG_AUTO_AP_MODE
632 	if (check_fwstate(pmlmepriv, _FW_LINKED) &&
633 			pmlmepriv->cur_network.join_res) {
634 		struct sta_info *psta;
635 		u8 *mac_addr, *peer_addr;
636 		struct sta_priv *pstapriv = &padapter->stapriv;
637 		u8 RC_OUI[4] = {0x00, 0xE0, 0x4C, 0x0A};
638 		/* EID[1] + EID_LEN[1] + RC_OUI[4] + MAC[6] + PairingID[2] + ChannelNum[2] */
639 
640 		p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, _VENDOR_SPECIFIC_IE_, (int *)&ielen,
641 			len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_);
642 
643 		if (!p || ielen != 14)
644 			goto _non_rc_device;
645 
646 		if (memcmp(p+2, RC_OUI, sizeof(RC_OUI)))
647 			goto _non_rc_device;
648 
649 		if (memcmp(p+6, get_sa(pframe), ETH_ALEN)) {
650 			DBG_871X("%s, do rc pairing ("MAC_FMT"), but mac addr mismatch!("MAC_FMT")\n", __func__,
651 				MAC_ARG(get_sa(pframe)), MAC_ARG(p+6));
652 
653 			goto _non_rc_device;
654 		}
655 
656 		DBG_871X("%s, got the pairing device("MAC_FMT")\n", __func__,  MAC_ARG(get_sa(pframe)));
657 
658 		/* new a station */
659 		psta = rtw_get_stainfo(pstapriv, get_sa(pframe));
660 		if (psta == NULL) {
661 			/*  allocate a new one */
662 			DBG_871X("going to alloc stainfo for rc ="MAC_FMT"\n",  MAC_ARG(get_sa(pframe)));
663 			psta = rtw_alloc_stainfo(pstapriv, get_sa(pframe));
664 			if (psta == NULL) {
665 				/* TODO: */
666 				DBG_871X(" Exceed the upper limit of supported clients...\n");
667 				return _SUCCESS;
668 			}
669 
670 			spin_lock_bh(&pstapriv->asoc_list_lock);
671 			if (list_empty(&psta->asoc_list)) {
672 				psta->expire_to = pstapriv->expire_to;
673 				list_add_tail(&psta->asoc_list, &pstapriv->asoc_list);
674 				pstapriv->asoc_list_cnt++;
675 			}
676 			spin_unlock_bh(&pstapriv->asoc_list_lock);
677 
678 			/* generate pairing ID */
679 			mac_addr = myid(&(padapter->eeprompriv));
680 			peer_addr = psta->hwaddr;
681 			psta->pid = (u16)(((mac_addr[4]<<8) + mac_addr[5]) + ((peer_addr[4]<<8) + peer_addr[5]));
682 
683 			/* update peer stainfo */
684 			psta->isrc = true;
685 			/* psta->aid = 0; */
686 			/* psta->mac_id = 2; */
687 
688 			/* get a unique AID */
689 			if (psta->aid > 0) {
690 				DBG_871X("old AID %d\n", psta->aid);
691 			} else {
692 				for (psta->aid = 1; psta->aid <= NUM_STA; psta->aid++)
693 					if (pstapriv->sta_aid[psta->aid - 1] == NULL)
694 						break;
695 
696 				if (psta->aid > pstapriv->max_num_sta) {
697 					psta->aid = 0;
698 					DBG_871X("no room for more AIDs\n");
699 					return _SUCCESS;
700 				} else {
701 					pstapriv->sta_aid[psta->aid - 1] = psta;
702 					DBG_871X("allocate new AID = (%d)\n", psta->aid);
703 				}
704 			}
705 
706 			psta->qos_option = 1;
707 			psta->bw_mode = CHANNEL_WIDTH_20;
708 			psta->ieee8021x_blocked = false;
709 			psta->htpriv.ht_option = true;
710 			psta->htpriv.ampdu_enable = false;
711 			psta->htpriv.sgi_20m = false;
712 			psta->htpriv.sgi_40m = false;
713 			psta->htpriv.ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
714 			psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
715 			psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
716 
717 			rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
718 
719 			memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
720 
721 			spin_lock_bh(&psta->lock);
722 			psta->state |= _FW_LINKED;
723 			spin_unlock_bh(&psta->lock);
724 
725 			report_add_sta_event(padapter, psta->hwaddr, psta->aid);
726 
727 		}
728 
729 		issue_probersp(padapter, get_sa(pframe), false);
730 
731 		return _SUCCESS;
732 
733 	}
734 
735 _non_rc_device:
736 
737 	return _SUCCESS;
738 
739 #endif /* CONFIG_AUTO_AP_MODE */
740 
741 	p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, _SSID_IE_, (int *)&ielen,
742 			len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_);
743 
744 
745 	/* check (wildcard) SSID */
746 	if (p != NULL) {
747 		if (is_valid_p2p_probereq)
748 			goto _issue_probersp;
749 
750 		if ((ielen != 0 && false == !memcmp((void *)(p+2), (void *)cur->Ssid.Ssid, cur->Ssid.SsidLength))
751 			|| (ielen == 0 && pmlmeinfo->hidden_ssid_mode)
752 		)
753 			return _SUCCESS;
754 
755 _issue_probersp:
756 		if ((check_fwstate(pmlmepriv, _FW_LINKED)  &&
757 			pmlmepriv->cur_network.join_res) || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
758 			/* DBG_871X("+issue_probersp during ap mode\n"); */
759 			issue_probersp(padapter, get_sa(pframe), is_valid_p2p_probereq);
760 		}
761 
762 	}
763 
764 	return _SUCCESS;
765 
766 }
767 
OnProbeRsp(struct adapter * padapter,union recv_frame * precv_frame)768 unsigned int OnProbeRsp(struct adapter *padapter, union recv_frame *precv_frame)
769 {
770 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
771 
772 	if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
773 		report_survey_event(padapter, precv_frame);
774 		return _SUCCESS;
775 	}
776 
777 	return _SUCCESS;
778 
779 }
780 
OnBeacon(struct adapter * padapter,union recv_frame * precv_frame)781 unsigned int OnBeacon(struct adapter *padapter, union recv_frame *precv_frame)
782 {
783 	int cam_idx;
784 	struct sta_info *psta;
785 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
786 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
787 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
788 	struct sta_priv *pstapriv = &padapter->stapriv;
789 	u8 *pframe = precv_frame->u.hdr.rx_data;
790 	uint len = precv_frame->u.hdr.len;
791 	struct wlan_bssid_ex *pbss;
792 	int ret = _SUCCESS;
793 	u8 *p = NULL;
794 	u32 ielen = 0;
795 
796 	p = rtw_get_ie(pframe + sizeof(struct ieee80211_hdr_3addr) + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ielen, precv_frame->u.hdr.len - sizeof(struct ieee80211_hdr_3addr) - _BEACON_IE_OFFSET_);
797 	if ((p != NULL) && (ielen > 0)) {
798 		if ((*(p + 1 + ielen) == 0x2D) && (*(p + 2 + ielen) != 0x2D)) {
799 			/* Invalid value 0x2D is detected in Extended Supported Rates (ESR) IE. Try to fix the IE length to avoid failed Beacon parsing. */
800 			DBG_871X("[WIFIDBG] Error in ESR IE is detected in Beacon of BSSID:"MAC_FMT". Fix the length of ESR IE to avoid failed Beacon parsing.\n", MAC_ARG(GetAddr3Ptr(pframe)));
801 			*(p + 1) = ielen - 1;
802 		}
803 	}
804 
805 	if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
806 		report_survey_event(padapter, precv_frame);
807 		return _SUCCESS;
808 	}
809 
810 	if (!memcmp(GetAddr3Ptr(pframe), get_my_bssid(&pmlmeinfo->network), ETH_ALEN)) {
811 		if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) {
812 			/* we should update current network before auth, or some IE is wrong */
813 			pbss = rtw_malloc(sizeof(struct wlan_bssid_ex));
814 			if (pbss) {
815 				if (collect_bss_info(padapter, precv_frame, pbss) == _SUCCESS) {
816 					update_network(&(pmlmepriv->cur_network.network), pbss, padapter, true);
817 					rtw_get_bcn_info(&(pmlmepriv->cur_network));
818 				}
819 				kfree((u8 *)pbss);
820 			}
821 
822 			/* check the vendor of the assoc AP */
823 			pmlmeinfo->assoc_AP_vendor = check_assoc_AP(pframe+sizeof(struct ieee80211_hdr_3addr), len-sizeof(struct ieee80211_hdr_3addr));
824 
825 			/* update TSF Value */
826 			update_TSF(pmlmeext, pframe, len);
827 
828 			/* reset for adaptive_early_32k */
829 			pmlmeext->adaptive_tsf_done = false;
830 			pmlmeext->DrvBcnEarly = 0xff;
831 			pmlmeext->DrvBcnTimeOut = 0xff;
832 			pmlmeext->bcn_cnt = 0;
833 			memset(pmlmeext->bcn_delay_cnt, 0, sizeof(pmlmeext->bcn_delay_cnt));
834 			memset(pmlmeext->bcn_delay_ratio, 0, sizeof(pmlmeext->bcn_delay_ratio));
835 
836 			/* start auth */
837 			start_clnt_auth(padapter);
838 
839 			return _SUCCESS;
840 		}
841 
842 		if (((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) && (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
843 			psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
844 			if (psta != NULL) {
845 				ret = rtw_check_bcn_info(padapter, pframe, len);
846 				if (!ret) {
847 						DBG_871X_LEVEL(_drv_always_, "ap has changed, disconnect now\n ");
848 						receive_disconnect(padapter, pmlmeinfo->network.MacAddress, 0);
849 						return _SUCCESS;
850 				}
851 				/* update WMM, ERP in the beacon */
852 				/* todo: the timer is used instead of the number of the beacon received */
853 				if ((sta_rx_pkts(psta) & 0xf) == 0)
854 					/* DBG_871X("update_bcn_info\n"); */
855 					update_beacon_info(padapter, pframe, len, psta);
856 
857 				adaptive_early_32k(pmlmeext, pframe, len);
858 			}
859 		} else if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) {
860 			psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
861 			if (psta != NULL) {
862 				/* update WMM, ERP in the beacon */
863 				/* todo: the timer is used instead of the number of the beacon received */
864 				if ((sta_rx_pkts(psta) & 0xf) == 0) {
865 					/* DBG_871X("update_bcn_info\n"); */
866 					update_beacon_info(padapter, pframe, len, psta);
867 				}
868 			} else{
869 				/* allocate a new CAM entry for IBSS station */
870 				cam_idx = allocate_fw_sta_entry(padapter);
871 				if (cam_idx == NUM_STA)
872 					goto _END_ONBEACON_;
873 
874 				/* get supported rate */
875 				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) {
876 					pmlmeinfo->FW_sta_info[cam_idx].status = 0;
877 					goto _END_ONBEACON_;
878 				}
879 
880 				/* update TSF Value */
881 				update_TSF(pmlmeext, pframe, len);
882 
883 				/* report sta add event */
884 				report_add_sta_event(padapter, GetAddr2Ptr(pframe), cam_idx);
885 			}
886 		}
887 	}
888 
889 _END_ONBEACON_:
890 
891 	return _SUCCESS;
892 
893 }
894 
OnAuth(struct adapter * padapter,union recv_frame * precv_frame)895 unsigned int OnAuth(struct adapter *padapter, union recv_frame *precv_frame)
896 {
897 	unsigned int	auth_mode, seq, ie_len;
898 	unsigned char *sa, *p;
899 	u16 algorithm;
900 	int	status;
901 	static struct sta_info stat;
902 	struct	sta_info *pstat = NULL;
903 	struct	sta_priv *pstapriv = &padapter->stapriv;
904 	struct security_priv *psecuritypriv = &padapter->securitypriv;
905 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
906 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
907 	u8 *pframe = precv_frame->u.hdr.rx_data;
908 	uint len = precv_frame->u.hdr.len;
909 	u8 offset = 0;
910 
911 	if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
912 		return _FAIL;
913 
914 	DBG_871X("+OnAuth\n");
915 
916 	sa = GetAddr2Ptr(pframe);
917 
918 	auth_mode = psecuritypriv->dot11AuthAlgrthm;
919 
920 	if (GetPrivacy(pframe)) {
921 		u8 *iv;
922 		struct rx_pkt_attrib	 *prxattrib = &(precv_frame->u.hdr.attrib);
923 
924 		prxattrib->hdrlen = WLAN_HDR_A3_LEN;
925 		prxattrib->encrypt = _WEP40_;
926 
927 		iv = pframe+prxattrib->hdrlen;
928 		prxattrib->key_index = ((iv[3]>>6)&0x3);
929 
930 		prxattrib->iv_len = 4;
931 		prxattrib->icv_len = 4;
932 
933 		rtw_wep_decrypt(padapter, (u8 *)precv_frame);
934 
935 		offset = 4;
936 	}
937 
938 	algorithm = le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset));
939 	seq	= le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset + 2));
940 
941 	DBG_871X("auth alg =%x, seq =%X\n", algorithm, seq);
942 
943 	if (auth_mode == 2 &&
944 			psecuritypriv->dot11PrivacyAlgrthm != _WEP40_ &&
945 			psecuritypriv->dot11PrivacyAlgrthm != _WEP104_)
946 		auth_mode = 0;
947 
948 	if ((algorithm > 0 && auth_mode == 0) ||	/*  rx a shared-key auth but shared not enabled */
949 		(algorithm == 0 && auth_mode == 1)) {	/*  rx a open-system auth but shared-key is enabled */
950 		DBG_871X("auth rejected due to bad alg [alg =%d, auth_mib =%d] %02X%02X%02X%02X%02X%02X\n",
951 			algorithm, auth_mode, sa[0], sa[1], sa[2], sa[3], sa[4], sa[5]);
952 
953 		status = _STATS_NO_SUPP_ALG_;
954 
955 		goto auth_fail;
956 	}
957 
958 	if (rtw_access_ctrl(padapter, sa) == false) {
959 		status = _STATS_UNABLE_HANDLE_STA_;
960 		goto auth_fail;
961 	}
962 
963 	pstat = rtw_get_stainfo(pstapriv, sa);
964 	if (pstat == NULL) {
965 
966 		/*  allocate a new one */
967 		DBG_871X("going to alloc stainfo for sa ="MAC_FMT"\n",  MAC_ARG(sa));
968 		pstat = rtw_alloc_stainfo(pstapriv, sa);
969 		if (pstat == NULL) {
970 			DBG_871X(" Exceed the upper limit of supported clients...\n");
971 			status = _STATS_UNABLE_HANDLE_STA_;
972 			goto auth_fail;
973 		}
974 
975 		pstat->state = WIFI_FW_AUTH_NULL;
976 		pstat->auth_seq = 0;
977 
978 		/* pstat->flags = 0; */
979 		/* pstat->capability = 0; */
980 	} else{
981 
982 		spin_lock_bh(&pstapriv->asoc_list_lock);
983 		if (list_empty(&pstat->asoc_list) == false) {
984 			list_del_init(&pstat->asoc_list);
985 			pstapriv->asoc_list_cnt--;
986 			if (pstat->expire_to > 0) {
987 				/* TODO: STA re_auth within expire_to */
988 			}
989 		}
990 		spin_unlock_bh(&pstapriv->asoc_list_lock);
991 
992 		if (seq == 1) {
993 			/* TODO: STA re_auth and auth timeout */
994 		}
995 	}
996 
997 	spin_lock_bh(&pstapriv->auth_list_lock);
998 	if (list_empty(&pstat->auth_list)) {
999 
1000 		list_add_tail(&pstat->auth_list, &pstapriv->auth_list);
1001 		pstapriv->auth_list_cnt++;
1002 	}
1003 	spin_unlock_bh(&pstapriv->auth_list_lock);
1004 
1005 	if (pstat->auth_seq == 0)
1006 		pstat->expire_to = pstapriv->auth_to;
1007 
1008 
1009 	if ((pstat->auth_seq + 1) != seq) {
1010 		DBG_871X("(1)auth rejected because out of seq [rx_seq =%d, exp_seq =%d]!\n",
1011 			seq, pstat->auth_seq+1);
1012 		status = _STATS_OUT_OF_AUTH_SEQ_;
1013 		goto auth_fail;
1014 	}
1015 
1016 	if (algorithm == 0 && (auth_mode == 0 || auth_mode == 2 || auth_mode == 3)) {
1017 		if (seq == 1) {
1018 			pstat->state &= ~WIFI_FW_AUTH_NULL;
1019 			pstat->state |= WIFI_FW_AUTH_SUCCESS;
1020 			pstat->expire_to = pstapriv->assoc_to;
1021 			pstat->authalg = algorithm;
1022 		} else{
1023 			DBG_871X("(2)auth rejected because out of seq [rx_seq =%d, exp_seq =%d]!\n",
1024 				seq, pstat->auth_seq+1);
1025 			status = _STATS_OUT_OF_AUTH_SEQ_;
1026 			goto auth_fail;
1027 		}
1028 	} else{ /*  shared system or auto authentication */
1029 		if (seq == 1) {
1030 			/* prepare for the challenging txt... */
1031 			memset((void *)pstat->chg_txt, 78, 128);
1032 
1033 			pstat->state &= ~WIFI_FW_AUTH_NULL;
1034 			pstat->state |= WIFI_FW_AUTH_STATE;
1035 			pstat->authalg = algorithm;
1036 			pstat->auth_seq = 2;
1037 		} else if (seq == 3) {
1038 			/* checking for challenging txt... */
1039 			DBG_871X("checking for challenging txt...\n");
1040 
1041 			p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + 4 + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, (int *)&ie_len,
1042 					len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_ - 4);
1043 
1044 			if ((p == NULL) || (ie_len <= 0)) {
1045 				DBG_871X("auth rejected because challenge failure!(1)\n");
1046 				status = _STATS_CHALLENGE_FAIL_;
1047 				goto auth_fail;
1048 			}
1049 
1050 			if (!memcmp((void *)(p + 2), pstat->chg_txt, 128)) {
1051 				pstat->state &= (~WIFI_FW_AUTH_STATE);
1052 				pstat->state |= WIFI_FW_AUTH_SUCCESS;
1053 				/*  challenging txt is correct... */
1054 				pstat->expire_to =  pstapriv->assoc_to;
1055 			} else{
1056 				DBG_871X("auth rejected because challenge failure!\n");
1057 				status = _STATS_CHALLENGE_FAIL_;
1058 				goto auth_fail;
1059 			}
1060 		} else{
1061 			DBG_871X("(3)auth rejected because out of seq [rx_seq =%d, exp_seq =%d]!\n",
1062 				seq, pstat->auth_seq+1);
1063 			status = _STATS_OUT_OF_AUTH_SEQ_;
1064 			goto auth_fail;
1065 		}
1066 	}
1067 
1068 
1069 	/*  Now, we are going to issue_auth... */
1070 	pstat->auth_seq = seq + 1;
1071 
1072 	issue_auth(padapter, pstat, (unsigned short)(_STATS_SUCCESSFUL_));
1073 
1074 	if (pstat->state & WIFI_FW_AUTH_SUCCESS)
1075 		pstat->auth_seq = 0;
1076 
1077 
1078 	return _SUCCESS;
1079 
1080 auth_fail:
1081 
1082 	if (pstat)
1083 		rtw_free_stainfo(padapter, pstat);
1084 
1085 	pstat = &stat;
1086 	memset((char *)pstat, '\0', sizeof(stat));
1087 	pstat->auth_seq = 2;
1088 	memcpy(pstat->hwaddr, sa, 6);
1089 
1090 	issue_auth(padapter, pstat, (unsigned short)status);
1091 
1092 	return _FAIL;
1093 
1094 }
1095 
OnAuthClient(struct adapter * padapter,union recv_frame * precv_frame)1096 unsigned int OnAuthClient(struct adapter *padapter, union recv_frame *precv_frame)
1097 {
1098 	unsigned int	seq, len, status, algthm, offset;
1099 	unsigned char *p;
1100 	unsigned int	go2asoc = 0;
1101 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1102 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1103 	u8 *pframe = precv_frame->u.hdr.rx_data;
1104 	uint pkt_len = precv_frame->u.hdr.len;
1105 
1106 	DBG_871X("%s\n", __func__);
1107 
1108 	/* check A1 matches or not */
1109 	if (memcmp(myid(&(padapter->eeprompriv)), get_da(pframe), ETH_ALEN))
1110 		return _SUCCESS;
1111 
1112 	if (!(pmlmeinfo->state & WIFI_FW_AUTH_STATE))
1113 		return _SUCCESS;
1114 
1115 	offset = (GetPrivacy(pframe)) ? 4 : 0;
1116 
1117 	algthm	= le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset));
1118 	seq	= le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset + 2));
1119 	status	= le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset + 4));
1120 
1121 	if (status != 0) {
1122 		DBG_871X("clnt auth fail, status: %d\n", status);
1123 		if (status == 13) { /*  pmlmeinfo->auth_algo == dot11AuthAlgrthm_Auto) */
1124 			if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared)
1125 				pmlmeinfo->auth_algo = dot11AuthAlgrthm_Open;
1126 			else
1127 				pmlmeinfo->auth_algo = dot11AuthAlgrthm_Shared;
1128 			/* pmlmeinfo->reauth_count = 0; */
1129 		}
1130 
1131 		set_link_timer(pmlmeext, 1);
1132 		goto authclnt_fail;
1133 	}
1134 
1135 	if (seq == 2) {
1136 		if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) {
1137 			 /*  legendary shared system */
1138 			p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, (int *)&len,
1139 				pkt_len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_);
1140 
1141 			if (p == NULL) {
1142 				/* DBG_871X("marc: no challenge text?\n"); */
1143 				goto authclnt_fail;
1144 			}
1145 
1146 			memcpy((void *)(pmlmeinfo->chg_txt), (void *)(p + 2), len);
1147 			pmlmeinfo->auth_seq = 3;
1148 			issue_auth(padapter, NULL, 0);
1149 			set_link_timer(pmlmeext, REAUTH_TO);
1150 
1151 			return _SUCCESS;
1152 		} else{
1153 			/*  open system */
1154 			go2asoc = 1;
1155 		}
1156 	} else if (seq == 4) {
1157 		if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) {
1158 			go2asoc = 1;
1159 		} else{
1160 			goto authclnt_fail;
1161 		}
1162 	} else{
1163 		/*  this is also illegal */
1164 		/* DBG_871X("marc: clnt auth failed due to illegal seq =%x\n", seq); */
1165 		goto authclnt_fail;
1166 	}
1167 
1168 	if (go2asoc) {
1169 		DBG_871X_LEVEL(_drv_always_, "auth success, start assoc\n");
1170 		start_clnt_assoc(padapter);
1171 		return _SUCCESS;
1172 	}
1173 
1174 authclnt_fail:
1175 
1176 	/* pmlmeinfo->state &= ~(WIFI_FW_AUTH_STATE); */
1177 
1178 	return _FAIL;
1179 
1180 }
1181 
OnAssocReq(struct adapter * padapter,union recv_frame * precv_frame)1182 unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame)
1183 {
1184 	u16 capab_info, listen_interval;
1185 	struct rtw_ieee802_11_elems elems;
1186 	struct sta_info *pstat;
1187 	unsigned char 	reassoc, *p, *pos, *wpa_ie;
1188 	unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01};
1189 	int		i, ie_len, wpa_ie_len, left;
1190 	unsigned char 	supportRate[16];
1191 	int					supportRateNum;
1192 	unsigned short		status = _STATS_SUCCESSFUL_;
1193 	unsigned short		frame_type, ie_offset = 0;
1194 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1195 	struct security_priv *psecuritypriv = &padapter->securitypriv;
1196 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1197 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1198 	struct wlan_bssid_ex	*cur = &(pmlmeinfo->network);
1199 	struct sta_priv *pstapriv = &padapter->stapriv;
1200 	u8 *pframe = precv_frame->u.hdr.rx_data;
1201 	uint pkt_len = precv_frame->u.hdr.len;
1202 
1203 	if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
1204 		return _FAIL;
1205 
1206 	frame_type = GetFrameSubType(pframe);
1207 	if (frame_type == WIFI_ASSOCREQ) {
1208 		reassoc = 0;
1209 		ie_offset = _ASOCREQ_IE_OFFSET_;
1210 	} else{ /*  WIFI_REASSOCREQ */
1211 		reassoc = 1;
1212 		ie_offset = _REASOCREQ_IE_OFFSET_;
1213 	}
1214 
1215 
1216 	if (pkt_len < sizeof(struct ieee80211_hdr_3addr) + ie_offset) {
1217 		DBG_871X("handle_assoc(reassoc =%d) - too short payload (len =%lu)"
1218 		       "\n", reassoc, (unsigned long)pkt_len);
1219 		return _FAIL;
1220 	}
1221 
1222 	pstat = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
1223 	if (pstat == NULL) {
1224 		status = _RSON_CLS2_;
1225 		goto asoc_class2_error;
1226 	}
1227 
1228 	capab_info = RTW_GET_LE16(pframe + WLAN_HDR_A3_LEN);
1229 	/* capab_info = le16_to_cpu(*(unsigned short *)(pframe + WLAN_HDR_A3_LEN)); */
1230 	/* listen_interval = le16_to_cpu(*(unsigned short *)(pframe + WLAN_HDR_A3_LEN+2)); */
1231 	listen_interval = RTW_GET_LE16(pframe + WLAN_HDR_A3_LEN+2);
1232 
1233 	left = pkt_len - (sizeof(struct ieee80211_hdr_3addr) + ie_offset);
1234 	pos = pframe + (sizeof(struct ieee80211_hdr_3addr) + ie_offset);
1235 
1236 
1237 	DBG_871X("%s\n", __func__);
1238 
1239 	/*  check if this stat has been successfully authenticated/assocated */
1240 	if (!((pstat->state) & WIFI_FW_AUTH_SUCCESS)) {
1241 		if (!((pstat->state) & WIFI_FW_ASSOC_SUCCESS)) {
1242 			status = _RSON_CLS2_;
1243 			goto asoc_class2_error;
1244 		} else{
1245 			pstat->state &= (~WIFI_FW_ASSOC_SUCCESS);
1246 			pstat->state |= WIFI_FW_ASSOC_STATE;
1247 		}
1248 	} else{
1249 		pstat->state &= (~WIFI_FW_AUTH_SUCCESS);
1250 		pstat->state |= WIFI_FW_ASSOC_STATE;
1251 	}
1252 
1253 
1254 	pstat->capability = capab_info;
1255 
1256 	/* now parse all ieee802_11 ie to point to elems */
1257 	if (rtw_ieee802_11_parse_elems(pos, left, &elems, 1) == ParseFailed ||
1258 	    !elems.ssid) {
1259 		DBG_871X("STA " MAC_FMT " sent invalid association request\n",
1260 		       MAC_ARG(pstat->hwaddr));
1261 		status = _STATS_FAILURE_;
1262 		goto OnAssocReqFail;
1263 	}
1264 
1265 
1266 	/*  now we should check all the fields... */
1267 	/*  checking SSID */
1268 	p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SSID_IE_, &ie_len,
1269 		pkt_len - WLAN_HDR_A3_LEN - ie_offset);
1270 	if (p == NULL) {
1271 		status = _STATS_FAILURE_;
1272 	}
1273 
1274 	if (ie_len == 0) /*  broadcast ssid, however it is not allowed in assocreq */
1275 		status = _STATS_FAILURE_;
1276 	else {
1277 		/*  check if ssid match */
1278 		if (memcmp((void *)(p+2), cur->Ssid.Ssid, cur->Ssid.SsidLength))
1279 			status = _STATS_FAILURE_;
1280 
1281 		if (ie_len != cur->Ssid.SsidLength)
1282 			status = _STATS_FAILURE_;
1283 	}
1284 
1285 	if (_STATS_SUCCESSFUL_ != status)
1286 		goto OnAssocReqFail;
1287 
1288 	/*  check if the supported rate is ok */
1289 	p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SUPPORTEDRATES_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset);
1290 	if (p == NULL) {
1291 		DBG_871X("Rx a sta assoc-req which supported rate is empty!\n");
1292 		/*  use our own rate set as statoin used */
1293 		/* memcpy(supportRate, AP_BSSRATE, AP_BSSRATE_LEN); */
1294 		/* supportRateNum = AP_BSSRATE_LEN; */
1295 
1296 		status = _STATS_FAILURE_;
1297 		goto OnAssocReqFail;
1298 	} else {
1299 		memcpy(supportRate, p+2, ie_len);
1300 		supportRateNum = ie_len;
1301 
1302 		p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _EXT_SUPPORTEDRATES_IE_, &ie_len,
1303 				pkt_len - WLAN_HDR_A3_LEN - ie_offset);
1304 		if (p !=  NULL) {
1305 
1306 			if (supportRateNum <= sizeof(supportRate)) {
1307 				memcpy(supportRate+supportRateNum, p+2, ie_len);
1308 				supportRateNum += ie_len;
1309 			}
1310 		}
1311 	}
1312 
1313 	/* todo: mask supportRate between AP & STA -> move to update raid */
1314 	/* get_matched_rate(pmlmeext, supportRate, &supportRateNum, 0); */
1315 
1316 	/* update station supportRate */
1317 	pstat->bssratelen = supportRateNum;
1318 	memcpy(pstat->bssrateset, supportRate, supportRateNum);
1319 	UpdateBrateTblForSoftAP(pstat->bssrateset, pstat->bssratelen);
1320 
1321 	/* check RSN/WPA/WPS */
1322 	pstat->dot8021xalg = 0;
1323 	pstat->wpa_psk = 0;
1324 	pstat->wpa_group_cipher = 0;
1325 	pstat->wpa2_group_cipher = 0;
1326 	pstat->wpa_pairwise_cipher = 0;
1327 	pstat->wpa2_pairwise_cipher = 0;
1328 	memset(pstat->wpa_ie, 0, sizeof(pstat->wpa_ie));
1329 	if ((psecuritypriv->wpa_psk & BIT(1)) && elems.rsn_ie) {
1330 
1331 		int group_cipher = 0, pairwise_cipher = 0;
1332 
1333 		wpa_ie = elems.rsn_ie;
1334 		wpa_ie_len = elems.rsn_ie_len;
1335 
1336 		if (rtw_parse_wpa2_ie(wpa_ie-2, wpa_ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1337 			pstat->dot8021xalg = 1;/* psk,  todo:802.1x */
1338 			pstat->wpa_psk |= BIT(1);
1339 
1340 			pstat->wpa2_group_cipher = group_cipher&psecuritypriv->wpa2_group_cipher;
1341 			pstat->wpa2_pairwise_cipher = pairwise_cipher&psecuritypriv->wpa2_pairwise_cipher;
1342 
1343 			if (!pstat->wpa2_group_cipher)
1344 				status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
1345 
1346 			if (!pstat->wpa2_pairwise_cipher)
1347 				status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
1348 		} else{
1349 			status = WLAN_STATUS_INVALID_IE;
1350 		}
1351 
1352 	} else if ((psecuritypriv->wpa_psk & BIT(0)) && elems.wpa_ie) {
1353 
1354 		int group_cipher = 0, pairwise_cipher = 0;
1355 
1356 		wpa_ie = elems.wpa_ie;
1357 		wpa_ie_len = elems.wpa_ie_len;
1358 
1359 		if (rtw_parse_wpa_ie(wpa_ie-2, wpa_ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1360 			pstat->dot8021xalg = 1;/* psk,  todo:802.1x */
1361 			pstat->wpa_psk |= BIT(0);
1362 
1363 			pstat->wpa_group_cipher = group_cipher&psecuritypriv->wpa_group_cipher;
1364 			pstat->wpa_pairwise_cipher = pairwise_cipher&psecuritypriv->wpa_pairwise_cipher;
1365 
1366 			if (!pstat->wpa_group_cipher)
1367 				status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
1368 
1369 			if (!pstat->wpa_pairwise_cipher)
1370 				status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
1371 
1372 		} else{
1373 			status = WLAN_STATUS_INVALID_IE;
1374 		}
1375 
1376 	} else {
1377 		wpa_ie = NULL;
1378 		wpa_ie_len = 0;
1379 	}
1380 
1381 	if (_STATS_SUCCESSFUL_ != status)
1382 		goto OnAssocReqFail;
1383 
1384 	pstat->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
1385 	if (wpa_ie == NULL) {
1386 		if (elems.wps_ie) {
1387 			DBG_871X("STA included WPS IE in "
1388 				   "(Re)Association Request - assume WPS is "
1389 				   "used\n");
1390 			pstat->flags |= WLAN_STA_WPS;
1391 			/* wpabuf_free(sta->wps_ie); */
1392 			/* sta->wps_ie = wpabuf_alloc_copy(elems.wps_ie + 4, */
1393 			/* 				elems.wps_ie_len - 4); */
1394 		} else {
1395 			DBG_871X("STA did not include WPA/RSN IE "
1396 				   "in (Re)Association Request - possible WPS "
1397 				   "use\n");
1398 			pstat->flags |= WLAN_STA_MAYBE_WPS;
1399 		}
1400 
1401 
1402 		/*  AP support WPA/RSN, and sta is going to do WPS, but AP is not ready */
1403 		/*  that the selected registrar of AP is _FLASE */
1404 		if ((psecuritypriv->wpa_psk > 0)
1405 			&& (pstat->flags & (WLAN_STA_WPS|WLAN_STA_MAYBE_WPS))) {
1406 			if (pmlmepriv->wps_beacon_ie) {
1407 				u8 selected_registrar = 0;
1408 
1409 				rtw_get_wps_attr_content(pmlmepriv->wps_beacon_ie, pmlmepriv->wps_beacon_ie_len, WPS_ATTR_SELECTED_REGISTRAR, &selected_registrar, NULL);
1410 
1411 				if (!selected_registrar) {
1412 					DBG_871X("selected_registrar is false , or AP is not ready to do WPS\n");
1413 
1414 					status = _STATS_UNABLE_HANDLE_STA_;
1415 
1416 					goto OnAssocReqFail;
1417 				}
1418 			}
1419 		}
1420 
1421 	} else{
1422 		int copy_len;
1423 
1424 		if (psecuritypriv->wpa_psk == 0) {
1425 			DBG_871X("STA " MAC_FMT ": WPA/RSN IE in association "
1426 			"request, but AP don't support WPA/RSN\n", MAC_ARG(pstat->hwaddr));
1427 
1428 			status = WLAN_STATUS_INVALID_IE;
1429 
1430 			goto OnAssocReqFail;
1431 
1432 		}
1433 
1434 		if (elems.wps_ie) {
1435 			DBG_871X("STA included WPS IE in "
1436 				   "(Re)Association Request - WPS is "
1437 				   "used\n");
1438 			pstat->flags |= WLAN_STA_WPS;
1439 			copy_len = 0;
1440 		} else{
1441 			copy_len = ((wpa_ie_len+2) > sizeof(pstat->wpa_ie)) ? (sizeof(pstat->wpa_ie)):(wpa_ie_len+2);
1442 		}
1443 
1444 
1445 		if (copy_len > 0)
1446 			memcpy(pstat->wpa_ie, wpa_ie-2, copy_len);
1447 
1448 	}
1449 
1450 
1451 	/*  check if there is WMM IE & support WWM-PS */
1452 	pstat->flags &= ~WLAN_STA_WME;
1453 	pstat->qos_option = 0;
1454 	pstat->qos_info = 0;
1455 	pstat->has_legacy_ac = true;
1456 	pstat->uapsd_vo = 0;
1457 	pstat->uapsd_vi = 0;
1458 	pstat->uapsd_be = 0;
1459 	pstat->uapsd_bk = 0;
1460 	if (pmlmepriv->qospriv.qos_option) {
1461 		p = pframe + WLAN_HDR_A3_LEN + ie_offset; ie_len = 0;
1462 		for (;;) {
1463 			p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset);
1464 			if (p != NULL) {
1465 				if (!memcmp(p+2, WMM_IE, 6)) {
1466 
1467 					pstat->flags |= WLAN_STA_WME;
1468 
1469 					pstat->qos_option = 1;
1470 					pstat->qos_info = *(p+8);
1471 
1472 					pstat->max_sp_len = (pstat->qos_info>>5)&0x3;
1473 
1474 					if ((pstat->qos_info&0xf) != 0xf)
1475 						pstat->has_legacy_ac = true;
1476 					else
1477 						pstat->has_legacy_ac = false;
1478 
1479 					if (pstat->qos_info&0xf) {
1480 						if (pstat->qos_info&BIT(0))
1481 							pstat->uapsd_vo = BIT(0)|BIT(1);
1482 						else
1483 							pstat->uapsd_vo = 0;
1484 
1485 						if (pstat->qos_info&BIT(1))
1486 							pstat->uapsd_vi = BIT(0)|BIT(1);
1487 						else
1488 							pstat->uapsd_vi = 0;
1489 
1490 						if (pstat->qos_info&BIT(2))
1491 							pstat->uapsd_bk = BIT(0)|BIT(1);
1492 						else
1493 							pstat->uapsd_bk = 0;
1494 
1495 						if (pstat->qos_info&BIT(3))
1496 							pstat->uapsd_be = BIT(0)|BIT(1);
1497 						else
1498 							pstat->uapsd_be = 0;
1499 
1500 					}
1501 
1502 					break;
1503 				}
1504 			} else {
1505 				break;
1506 			}
1507 			p = p + ie_len + 2;
1508 		}
1509 	}
1510 
1511 	/* save HT capabilities in the sta object */
1512 	memset(&pstat->htpriv.ht_cap, 0, sizeof(struct rtw_ieee80211_ht_cap));
1513 	if (elems.ht_capabilities && elems.ht_capabilities_len >= sizeof(struct rtw_ieee80211_ht_cap)) {
1514 		pstat->flags |= WLAN_STA_HT;
1515 
1516 		pstat->flags |= WLAN_STA_WME;
1517 
1518 		memcpy(&pstat->htpriv.ht_cap, elems.ht_capabilities, sizeof(struct rtw_ieee80211_ht_cap));
1519 
1520 	} else
1521 		pstat->flags &= ~WLAN_STA_HT;
1522 
1523 
1524 	if ((pmlmepriv->htpriv.ht_option == false) && (pstat->flags&WLAN_STA_HT)) {
1525 		status = _STATS_FAILURE_;
1526 		goto OnAssocReqFail;
1527 	}
1528 
1529 
1530 	if ((pstat->flags & WLAN_STA_HT) &&
1531 		    ((pstat->wpa2_pairwise_cipher&WPA_CIPHER_TKIP) ||
1532 		      (pstat->wpa_pairwise_cipher&WPA_CIPHER_TKIP))) {
1533 		DBG_871X("HT: " MAC_FMT " tried to "
1534 				   "use TKIP with HT association\n", MAC_ARG(pstat->hwaddr));
1535 
1536 		/* status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY; */
1537 		/* goto OnAssocReqFail; */
1538 	}
1539 	pstat->flags |= WLAN_STA_NONERP;
1540 	for (i = 0; i < pstat->bssratelen; i++) {
1541 		if ((pstat->bssrateset[i] & 0x7f) > 22) {
1542 			pstat->flags &= ~WLAN_STA_NONERP;
1543 			break;
1544 		}
1545 	}
1546 
1547 	if (pstat->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
1548 		pstat->flags |= WLAN_STA_SHORT_PREAMBLE;
1549 	else
1550 		pstat->flags &= ~WLAN_STA_SHORT_PREAMBLE;
1551 
1552 
1553 
1554 	if (status != _STATS_SUCCESSFUL_)
1555 		goto OnAssocReqFail;
1556 
1557 	/* TODO: identify_proprietary_vendor_ie(); */
1558 	/*  Realtek proprietary IE */
1559 	/*  identify if this is Broadcom sta */
1560 	/*  identify if this is ralink sta */
1561 	/*  Customer proprietary IE */
1562 
1563 
1564 
1565 	/* get a unique AID */
1566 	if (pstat->aid > 0) {
1567 		DBG_871X("  old AID %d\n", pstat->aid);
1568 	} else {
1569 		for (pstat->aid = 1; pstat->aid < NUM_STA; pstat->aid++)
1570 			if (pstapriv->sta_aid[pstat->aid - 1] == NULL)
1571 				break;
1572 
1573 		/* if (pstat->aid > NUM_STA) { */
1574 		if (pstat->aid > pstapriv->max_num_sta) {
1575 
1576 			pstat->aid = 0;
1577 
1578 			DBG_871X("  no room for more AIDs\n");
1579 
1580 			status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1581 
1582 			goto OnAssocReqFail;
1583 
1584 
1585 		} else {
1586 			pstapriv->sta_aid[pstat->aid - 1] = pstat;
1587 			DBG_871X("allocate new AID = (%d)\n", pstat->aid);
1588 		}
1589 	}
1590 
1591 
1592 	pstat->state &= (~WIFI_FW_ASSOC_STATE);
1593 	pstat->state |= WIFI_FW_ASSOC_SUCCESS;
1594 
1595 	spin_lock_bh(&pstapriv->auth_list_lock);
1596 	if (!list_empty(&pstat->auth_list)) {
1597 		list_del_init(&pstat->auth_list);
1598 		pstapriv->auth_list_cnt--;
1599 	}
1600 	spin_unlock_bh(&pstapriv->auth_list_lock);
1601 
1602 	spin_lock_bh(&pstapriv->asoc_list_lock);
1603 	if (list_empty(&pstat->asoc_list)) {
1604 		pstat->expire_to = pstapriv->expire_to;
1605 		list_add_tail(&pstat->asoc_list, &pstapriv->asoc_list);
1606 		pstapriv->asoc_list_cnt++;
1607 	}
1608 	spin_unlock_bh(&pstapriv->asoc_list_lock);
1609 
1610 	/*  now the station is qualified to join our BSS... */
1611 	if (pstat && (pstat->state & WIFI_FW_ASSOC_SUCCESS) && (_STATS_SUCCESSFUL_ == status)) {
1612 		/* 1 bss_cap_update & sta_info_update */
1613 		bss_cap_update_on_sta_join(padapter, pstat);
1614 		sta_info_update(padapter, pstat);
1615 
1616 		/* 2 issue assoc rsp before notify station join event. */
1617 		if (frame_type == WIFI_ASSOCREQ)
1618 			issue_asocrsp(padapter, status, pstat, WIFI_ASSOCRSP);
1619 		else
1620 			issue_asocrsp(padapter, status, pstat, WIFI_REASSOCRSP);
1621 
1622 		spin_lock_bh(&pstat->lock);
1623 		if (pstat->passoc_req) {
1624 			kfree(pstat->passoc_req);
1625 			pstat->passoc_req = NULL;
1626 			pstat->assoc_req_len = 0;
1627 		}
1628 
1629 		pstat->passoc_req =  rtw_zmalloc(pkt_len);
1630 		if (pstat->passoc_req) {
1631 			memcpy(pstat->passoc_req, pframe, pkt_len);
1632 			pstat->assoc_req_len = pkt_len;
1633 		}
1634 		spin_unlock_bh(&pstat->lock);
1635 
1636 		/* 3-(1) report sta add event */
1637 		report_add_sta_event(padapter, pstat->hwaddr, pstat->aid);
1638 	}
1639 
1640 	return _SUCCESS;
1641 
1642 asoc_class2_error:
1643 
1644 	issue_deauth(padapter, (void *)GetAddr2Ptr(pframe), status);
1645 
1646 	return _FAIL;
1647 
1648 OnAssocReqFail:
1649 
1650 	pstat->aid = 0;
1651 	if (frame_type == WIFI_ASSOCREQ)
1652 		issue_asocrsp(padapter, status, pstat, WIFI_ASSOCRSP);
1653 	else
1654 		issue_asocrsp(padapter, status, pstat, WIFI_REASSOCRSP);
1655 
1656 	return _FAIL;
1657 }
1658 
OnAssocRsp(struct adapter * padapter,union recv_frame * precv_frame)1659 unsigned int OnAssocRsp(struct adapter *padapter, union recv_frame *precv_frame)
1660 {
1661 	uint i;
1662 	int res;
1663 	unsigned short	status;
1664 	struct ndis_80211_var_ie *pIE;
1665 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1666 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1667 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1668 	/* struct wlan_bssid_ex			*cur_network = &(pmlmeinfo->network); */
1669 	u8 *pframe = precv_frame->u.hdr.rx_data;
1670 	uint pkt_len = precv_frame->u.hdr.len;
1671 
1672 	DBG_871X("%s\n", __func__);
1673 
1674 	/* check A1 matches or not */
1675 	if (memcmp(myid(&(padapter->eeprompriv)), get_da(pframe), ETH_ALEN))
1676 		return _SUCCESS;
1677 
1678 	if (!(pmlmeinfo->state & (WIFI_FW_AUTH_SUCCESS | WIFI_FW_ASSOC_STATE)))
1679 		return _SUCCESS;
1680 
1681 	if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)
1682 		return _SUCCESS;
1683 
1684 	del_timer_sync(&pmlmeext->link_timer);
1685 
1686 	/* status */
1687 	status = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + 2));
1688 	if (status > 0) {
1689 		DBG_871X("assoc reject, status code: %d\n", status);
1690 		pmlmeinfo->state = WIFI_FW_NULL_STATE;
1691 		res = -4;
1692 		goto report_assoc_result;
1693 	}
1694 
1695 	/* get capabilities */
1696 	pmlmeinfo->capability = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN));
1697 
1698 	/* set slot time */
1699 	pmlmeinfo->slotTime = (pmlmeinfo->capability & BIT(10)) ? 9 : 20;
1700 
1701 	/* AID */
1702 	res = pmlmeinfo->aid = (int)(le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + 4))&0x3fff);
1703 
1704 	/* following are moved to join event callback function */
1705 	/* to handle HT, WMM, rate adaptive, update MAC reg */
1706 	/* for not to handle the synchronous IO in the tasklet */
1707 	for (i = (6 + WLAN_HDR_A3_LEN); i < pkt_len;) {
1708 		pIE = (struct ndis_80211_var_ie *)(pframe + i);
1709 
1710 		switch (pIE->ElementID) {
1711 		case _VENDOR_SPECIFIC_IE_:
1712 			if (!memcmp(pIE->data, WMM_PARA_OUI, 6))	/* WMM */
1713 				WMM_param_handler(padapter, pIE);
1714 			break;
1715 
1716 		case _HT_CAPABILITY_IE_:	/* HT caps */
1717 			HT_caps_handler(padapter, pIE);
1718 			break;
1719 
1720 		case _HT_EXTRA_INFO_IE_:	/* HT info */
1721 			HT_info_handler(padapter, pIE);
1722 			break;
1723 
1724 		case _ERPINFO_IE_:
1725 			ERP_IE_handler(padapter, pIE);
1726 
1727 		default:
1728 			break;
1729 		}
1730 
1731 		i += (pIE->Length + 2);
1732 	}
1733 
1734 	pmlmeinfo->state &= (~WIFI_FW_ASSOC_STATE);
1735 	pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS;
1736 
1737 	/* Update Basic Rate Table for spec, 2010-12-28 , by thomas */
1738 	UpdateBrateTbl(padapter, pmlmeinfo->network.SupportedRates);
1739 
1740 report_assoc_result:
1741 	if (res > 0) {
1742 		rtw_buf_update(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len, pframe, pkt_len);
1743 	} else {
1744 		rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
1745 	}
1746 
1747 	report_join_res(padapter, res);
1748 
1749 	return _SUCCESS;
1750 }
1751 
OnDeAuth(struct adapter * padapter,union recv_frame * precv_frame)1752 unsigned int OnDeAuth(struct adapter *padapter, union recv_frame *precv_frame)
1753 {
1754 	unsigned short	reason;
1755 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1756 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1757 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1758 	u8 *pframe = precv_frame->u.hdr.rx_data;
1759 
1760 	/* check A3 */
1761 	if (memcmp(GetAddr3Ptr(pframe), get_my_bssid(&pmlmeinfo->network), ETH_ALEN))
1762 		return _SUCCESS;
1763 
1764 	reason = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN));
1765 
1766 	DBG_871X("%s Reason code(%d)\n", __func__, reason);
1767 
1768 	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1769 		struct sta_info *psta;
1770 		struct sta_priv *pstapriv = &padapter->stapriv;
1771 
1772 		/* spin_lock_bh(&(pstapriv->sta_hash_lock)); */
1773 		/* rtw_free_stainfo(padapter, psta); */
1774 		/* spin_unlock_bh(&(pstapriv->sta_hash_lock)); */
1775 
1776 		DBG_871X_LEVEL(_drv_always_, "ap recv deauth reason code(%d) sta:%pM\n",
1777 				reason, GetAddr2Ptr(pframe));
1778 
1779 		psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
1780 		if (psta) {
1781 			u8 updated = false;
1782 
1783 			spin_lock_bh(&pstapriv->asoc_list_lock);
1784 			if (list_empty(&psta->asoc_list) == false) {
1785 				list_del_init(&psta->asoc_list);
1786 				pstapriv->asoc_list_cnt--;
1787 				updated = ap_free_sta(padapter, psta, false, reason);
1788 
1789 			}
1790 			spin_unlock_bh(&pstapriv->asoc_list_lock);
1791 
1792 			associated_clients_update(padapter, updated);
1793 		}
1794 
1795 
1796 		return _SUCCESS;
1797 	} else{
1798 		int	ignore_received_deauth = 0;
1799 
1800 		/* 	Commented by Albert 20130604 */
1801 		/* 	Before sending the auth frame to start the STA/GC mode connection with AP/GO, */
1802 		/* 	we will send the deauth first. */
1803 		/* 	However, the Win8.1 with BRCM Wi-Fi will send the deauth with reason code 6 to us after receieving our deauth. */
1804 		/* 	Added the following code to avoid this case. */
1805 		if ((pmlmeinfo->state & WIFI_FW_AUTH_STATE) ||
1806 			(pmlmeinfo->state & WIFI_FW_ASSOC_STATE)) {
1807 			if (reason == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA) {
1808 				ignore_received_deauth = 1;
1809 			} else if (WLAN_REASON_PREV_AUTH_NOT_VALID == reason) {
1810 				/*  TODO: 802.11r */
1811 				ignore_received_deauth = 1;
1812 			}
1813 		}
1814 
1815 		DBG_871X_LEVEL(_drv_always_, "sta recv deauth reason code(%d) sta:%pM, ignore = %d\n",
1816 				reason, GetAddr3Ptr(pframe), ignore_received_deauth);
1817 
1818 		if (0 == ignore_received_deauth) {
1819 			receive_disconnect(padapter, GetAddr3Ptr(pframe), reason);
1820 		}
1821 	}
1822 	pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
1823 	return _SUCCESS;
1824 
1825 }
1826 
OnDisassoc(struct adapter * padapter,union recv_frame * precv_frame)1827 unsigned int OnDisassoc(struct adapter *padapter, union recv_frame *precv_frame)
1828 {
1829 	unsigned short	reason;
1830 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1831 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1832 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1833 	u8 *pframe = precv_frame->u.hdr.rx_data;
1834 
1835 	/* check A3 */
1836 	if (memcmp(GetAddr3Ptr(pframe), get_my_bssid(&pmlmeinfo->network), ETH_ALEN))
1837 		return _SUCCESS;
1838 
1839 	reason = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN));
1840 
1841 	DBG_871X("%s Reason code(%d)\n", __func__, reason);
1842 
1843 	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1844 		struct sta_info *psta;
1845 		struct sta_priv *pstapriv = &padapter->stapriv;
1846 
1847 		/* spin_lock_bh(&(pstapriv->sta_hash_lock)); */
1848 		/* rtw_free_stainfo(padapter, psta); */
1849 		/* spin_unlock_bh(&(pstapriv->sta_hash_lock)); */
1850 
1851 		DBG_871X_LEVEL(_drv_always_, "ap recv disassoc reason code(%d) sta:%pM\n",
1852 				reason, GetAddr2Ptr(pframe));
1853 
1854 		psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
1855 		if (psta) {
1856 			u8 updated = false;
1857 
1858 			spin_lock_bh(&pstapriv->asoc_list_lock);
1859 			if (list_empty(&psta->asoc_list) == false) {
1860 				list_del_init(&psta->asoc_list);
1861 				pstapriv->asoc_list_cnt--;
1862 				updated = ap_free_sta(padapter, psta, false, reason);
1863 
1864 			}
1865 			spin_unlock_bh(&pstapriv->asoc_list_lock);
1866 
1867 			associated_clients_update(padapter, updated);
1868 		}
1869 
1870 		return _SUCCESS;
1871 	} else{
1872 		DBG_871X_LEVEL(_drv_always_, "sta recv disassoc reason code(%d) sta:%pM\n",
1873 				reason, GetAddr3Ptr(pframe));
1874 
1875 		receive_disconnect(padapter, GetAddr3Ptr(pframe), reason);
1876 	}
1877 	pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
1878 	return _SUCCESS;
1879 
1880 }
1881 
OnAtim(struct adapter * padapter,union recv_frame * precv_frame)1882 unsigned int OnAtim(struct adapter *padapter, union recv_frame *precv_frame)
1883 {
1884 	DBG_871X("%s\n", __func__);
1885 	return _SUCCESS;
1886 }
1887 
on_action_spct(struct adapter * padapter,union recv_frame * precv_frame)1888 unsigned int on_action_spct(struct adapter *padapter, union recv_frame *precv_frame)
1889 {
1890 	unsigned int ret = _FAIL;
1891 	struct sta_info *psta = NULL;
1892 	struct sta_priv *pstapriv = &padapter->stapriv;
1893 	u8 *pframe = precv_frame->u.hdr.rx_data;
1894 	u8 *frame_body = (u8 *)(pframe + sizeof(struct ieee80211_hdr_3addr));
1895 	u8 category;
1896 	u8 action;
1897 
1898 	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
1899 
1900 	psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
1901 
1902 	if (!psta)
1903 		goto exit;
1904 
1905 	category = frame_body[0];
1906 	if (category != RTW_WLAN_CATEGORY_SPECTRUM_MGMT)
1907 		goto exit;
1908 
1909 	action = frame_body[1];
1910 	switch (action) {
1911 	case RTW_WLAN_ACTION_SPCT_MSR_REQ:
1912 	case RTW_WLAN_ACTION_SPCT_MSR_RPRT:
1913 	case RTW_WLAN_ACTION_SPCT_TPC_REQ:
1914 	case RTW_WLAN_ACTION_SPCT_TPC_RPRT:
1915 	case RTW_WLAN_ACTION_SPCT_CHL_SWITCH:
1916 		break;
1917 	default:
1918 		break;
1919 	}
1920 
1921 exit:
1922 	return ret;
1923 }
1924 
OnAction_back(struct adapter * padapter,union recv_frame * precv_frame)1925 unsigned int OnAction_back(struct adapter *padapter, union recv_frame *precv_frame)
1926 {
1927 	u8 *addr;
1928 	struct sta_info *psta = NULL;
1929 	struct recv_reorder_ctrl *preorder_ctrl;
1930 	unsigned char 	*frame_body;
1931 	unsigned char 	category, action;
1932 	unsigned short	tid, status, reason_code = 0;
1933 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1934 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1935 	u8 *pframe = precv_frame->u.hdr.rx_data;
1936 	struct sta_priv *pstapriv = &padapter->stapriv;
1937 
1938 	DBG_871X("%s\n", __func__);
1939 
1940 	/* check RA matches or not */
1941 	if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe), ETH_ALEN))/* for if1, sta/ap mode */
1942 		return _SUCCESS;
1943 
1944 	if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
1945 		if (!(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS))
1946 			return _SUCCESS;
1947 
1948 	addr = GetAddr2Ptr(pframe);
1949 	psta = rtw_get_stainfo(pstapriv, addr);
1950 
1951 	if (psta == NULL)
1952 		return _SUCCESS;
1953 
1954 	frame_body = (unsigned char *)(pframe + sizeof(struct ieee80211_hdr_3addr));
1955 
1956 	category = frame_body[0];
1957 	if (category == RTW_WLAN_CATEGORY_BACK) {/*  representing Block Ack */
1958 		if (!pmlmeinfo->HT_enable) {
1959 			return _SUCCESS;
1960 		}
1961 
1962 		action = frame_body[1];
1963 		DBG_871X("%s, action =%d\n", __func__, action);
1964 		switch (action) {
1965 		case RTW_WLAN_ACTION_ADDBA_REQ: /* ADDBA request */
1966 
1967 			memcpy(&(pmlmeinfo->ADDBA_req), &(frame_body[2]), sizeof(struct ADDBA_request));
1968 			/* process_addba_req(padapter, (u8 *)&(pmlmeinfo->ADDBA_req), GetAddr3Ptr(pframe)); */
1969 			process_addba_req(padapter, (u8 *)&(pmlmeinfo->ADDBA_req), addr);
1970 
1971 			if (pmlmeinfo->accept_addba_req) {
1972 				issue_action_BA(padapter, addr, RTW_WLAN_ACTION_ADDBA_RESP, 0);
1973 			} else{
1974 				issue_action_BA(padapter, addr, RTW_WLAN_ACTION_ADDBA_RESP, 37);/* reject ADDBA Req */
1975 			}
1976 
1977 			break;
1978 
1979 		case RTW_WLAN_ACTION_ADDBA_RESP: /* ADDBA response */
1980 			status = RTW_GET_LE16(&frame_body[3]);
1981 			tid = ((frame_body[5] >> 2) & 0x7);
1982 
1983 			if (status == 0) {
1984 				/* successful */
1985 				DBG_871X("agg_enable for TID =%d\n", tid);
1986 				psta->htpriv.agg_enable_bitmap |= 1 << tid;
1987 				psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
1988 			} else{
1989 				psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
1990 			}
1991 
1992 			if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
1993 				DBG_871X("%s alive check - rx ADDBA response\n", __func__);
1994 				psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
1995 				psta->expire_to = pstapriv->expire_to;
1996 				psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
1997 			}
1998 
1999 			/* DBG_871X("marc: ADDBA RSP: %x\n", pmlmeinfo->agg_enable_bitmap); */
2000 			break;
2001 
2002 		case RTW_WLAN_ACTION_DELBA: /* DELBA */
2003 			if ((frame_body[3] & BIT(3)) == 0) {
2004 				psta->htpriv.agg_enable_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf));
2005 				psta->htpriv.candidate_tid_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf));
2006 
2007 				/* reason_code = frame_body[4] | (frame_body[5] << 8); */
2008 				reason_code = RTW_GET_LE16(&frame_body[4]);
2009 			} else if ((frame_body[3] & BIT(3)) == BIT(3)) {
2010 				tid = (frame_body[3] >> 4) & 0x0F;
2011 
2012 				preorder_ctrl =  &psta->recvreorder_ctrl[tid];
2013 				preorder_ctrl->enable = false;
2014 				preorder_ctrl->indicate_seq = 0xffff;
2015 				#ifdef DBG_RX_SEQ
2016 				DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
2017 					preorder_ctrl->indicate_seq);
2018 				#endif
2019 			}
2020 
2021 			DBG_871X("%s(): DELBA: %x(%x)\n", __func__, pmlmeinfo->agg_enable_bitmap, reason_code);
2022 			/* todo: how to notify the host while receiving DELETE BA */
2023 			break;
2024 
2025 		default:
2026 			break;
2027 		}
2028 	}
2029 	return _SUCCESS;
2030 }
2031 
rtw_action_public_decache(union recv_frame * recv_frame,s32 token)2032 static s32 rtw_action_public_decache(union recv_frame *recv_frame, s32 token)
2033 {
2034 	struct adapter *adapter = recv_frame->u.hdr.adapter;
2035 	struct mlme_ext_priv *mlmeext = &(adapter->mlmeextpriv);
2036 	u8 *frame = recv_frame->u.hdr.rx_data;
2037 	u16 seq_ctrl = ((recv_frame->u.hdr.attrib.seq_num&0xffff) << 4) |
2038 		(recv_frame->u.hdr.attrib.frag_num & 0xf);
2039 
2040 	if (GetRetry(frame)) {
2041 		if (token >= 0) {
2042 			if ((seq_ctrl == mlmeext->action_public_rxseq)
2043 				&& (token == mlmeext->action_public_dialog_token)) {
2044 				DBG_871X(FUNC_ADPT_FMT" seq_ctrl = 0x%x, rxseq = 0x%x, token:%d\n",
2045 					FUNC_ADPT_ARG(adapter), seq_ctrl, mlmeext->action_public_rxseq, token);
2046 				return _FAIL;
2047 			}
2048 		} else {
2049 			if (seq_ctrl == mlmeext->action_public_rxseq) {
2050 				DBG_871X(FUNC_ADPT_FMT" seq_ctrl = 0x%x, rxseq = 0x%x\n",
2051 					FUNC_ADPT_ARG(adapter), seq_ctrl, mlmeext->action_public_rxseq);
2052 				return _FAIL;
2053 			}
2054 		}
2055 	}
2056 
2057 	mlmeext->action_public_rxseq = seq_ctrl;
2058 
2059 	if (token >= 0)
2060 		mlmeext->action_public_dialog_token = token;
2061 
2062 	return _SUCCESS;
2063 }
2064 
on_action_public_p2p(union recv_frame * precv_frame)2065 static unsigned int on_action_public_p2p(union recv_frame *precv_frame)
2066 {
2067 	u8 *pframe = precv_frame->u.hdr.rx_data;
2068 	u8 *frame_body;
2069 	u8 dialogToken = 0;
2070 
2071 	frame_body = (unsigned char *)(pframe + sizeof(struct ieee80211_hdr_3addr));
2072 
2073 	dialogToken = frame_body[7];
2074 
2075 	if (rtw_action_public_decache(precv_frame, dialogToken) == _FAIL)
2076 		return _FAIL;
2077 
2078 	return _SUCCESS;
2079 }
2080 
on_action_public_vendor(union recv_frame * precv_frame)2081 static unsigned int on_action_public_vendor(union recv_frame *precv_frame)
2082 {
2083 	unsigned int ret = _FAIL;
2084 	u8 *pframe = precv_frame->u.hdr.rx_data;
2085 	u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
2086 
2087 	if (!memcmp(frame_body + 2, P2P_OUI, 4)) {
2088 		ret = on_action_public_p2p(precv_frame);
2089 	}
2090 
2091 	return ret;
2092 }
2093 
on_action_public_default(union recv_frame * precv_frame,u8 action)2094 static unsigned int on_action_public_default(union recv_frame *precv_frame, u8 action)
2095 {
2096 	unsigned int ret = _FAIL;
2097 	u8 *pframe = precv_frame->u.hdr.rx_data;
2098 	uint frame_len = precv_frame->u.hdr.len;
2099 	u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
2100 	u8 token;
2101 	struct adapter *adapter = precv_frame->u.hdr.adapter;
2102 	int cnt = 0;
2103 	char msg[64];
2104 
2105 	token = frame_body[2];
2106 
2107 	if (rtw_action_public_decache(precv_frame, token) == _FAIL)
2108 		goto exit;
2109 
2110 	cnt += sprintf((msg+cnt), "%s(token:%u)", action_public_str(action), token);
2111 	rtw_cfg80211_rx_action(adapter, pframe, frame_len, msg);
2112 
2113 	ret = _SUCCESS;
2114 
2115 exit:
2116 	return ret;
2117 }
2118 
on_action_public(struct adapter * padapter,union recv_frame * precv_frame)2119 unsigned int on_action_public(struct adapter *padapter, union recv_frame *precv_frame)
2120 {
2121 	unsigned int ret = _FAIL;
2122 	u8 *pframe = precv_frame->u.hdr.rx_data;
2123 	u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
2124 	u8 category, action;
2125 
2126 	/* check RA matches or not */
2127 	if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe), ETH_ALEN))
2128 		goto exit;
2129 
2130 	category = frame_body[0];
2131 	if (category != RTW_WLAN_CATEGORY_PUBLIC)
2132 		goto exit;
2133 
2134 	action = frame_body[1];
2135 	switch (action) {
2136 	case ACT_PUBLIC_VENDOR:
2137 		ret = on_action_public_vendor(precv_frame);
2138 		break;
2139 	default:
2140 		ret = on_action_public_default(precv_frame, action);
2141 		break;
2142 	}
2143 
2144 exit:
2145 	return ret;
2146 }
2147 
OnAction_ht(struct adapter * padapter,union recv_frame * precv_frame)2148 unsigned int OnAction_ht(struct adapter *padapter, union recv_frame *precv_frame)
2149 {
2150 	u8 *pframe = precv_frame->u.hdr.rx_data;
2151 	u8 *frame_body = pframe + sizeof(struct ieee80211_hdr_3addr);
2152 	u8 category, action;
2153 
2154 	/* check RA matches or not */
2155 	if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe), ETH_ALEN))
2156 		goto exit;
2157 
2158 	category = frame_body[0];
2159 	if (category != RTW_WLAN_CATEGORY_HT)
2160 		goto exit;
2161 
2162 	action = frame_body[1];
2163 	switch (action) {
2164 	case RTW_WLAN_ACTION_HT_COMPRESS_BEAMFORMING:
2165 		break;
2166 	default:
2167 		break;
2168 	}
2169 
2170 exit:
2171 
2172 	return _SUCCESS;
2173 }
2174 
OnAction_sa_query(struct adapter * padapter,union recv_frame * precv_frame)2175 unsigned int OnAction_sa_query(struct adapter *padapter, union recv_frame *precv_frame)
2176 {
2177 	u8 *pframe = precv_frame->u.hdr.rx_data;
2178 	struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
2179 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2180 	unsigned short tid;
2181 	/* Baron */
2182 
2183 	DBG_871X("OnAction_sa_query\n");
2184 
2185 	switch (pframe[WLAN_HDR_A3_LEN+1]) {
2186 	case 0: /* SA Query req */
2187 		memcpy(&tid, &pframe[WLAN_HDR_A3_LEN+2], sizeof(unsigned short));
2188 		DBG_871X("OnAction_sa_query request, action =%d, tid =%04x\n", pframe[WLAN_HDR_A3_LEN+1], tid);
2189 		issue_action_SA_Query(padapter, GetAddr2Ptr(pframe), 1, tid);
2190 		break;
2191 
2192 	case 1: /* SA Query rsp */
2193 		del_timer_sync(&pmlmeext->sa_query_timer);
2194 		DBG_871X("OnAction_sa_query response, action =%d, tid =%04x, cancel timer\n", pframe[WLAN_HDR_A3_LEN+1], pframe[WLAN_HDR_A3_LEN+2]);
2195 		break;
2196 	default:
2197 		break;
2198 	}
2199 	if (0) {
2200 		int pp;
2201 		printk("pattrib->pktlen = %d =>", pattrib->pkt_len);
2202 		for (pp = 0; pp < pattrib->pkt_len; pp++)
2203 			printk(" %02x ", pframe[pp]);
2204 		printk("\n");
2205 	}
2206 
2207 	return _SUCCESS;
2208 }
2209 
OnAction(struct adapter * padapter,union recv_frame * precv_frame)2210 unsigned int OnAction(struct adapter *padapter, union recv_frame *precv_frame)
2211 {
2212 	int i;
2213 	unsigned char category;
2214 	struct action_handler *ptable;
2215 	unsigned char *frame_body;
2216 	u8 *pframe = precv_frame->u.hdr.rx_data;
2217 
2218 	frame_body = (unsigned char *)(pframe + sizeof(struct ieee80211_hdr_3addr));
2219 
2220 	category = frame_body[0];
2221 
2222 	for (i = 0; i < ARRAY_SIZE(OnAction_tbl); i++) {
2223 		ptable = &OnAction_tbl[i];
2224 
2225 		if (category == ptable->num)
2226 			ptable->func(padapter, precv_frame);
2227 
2228 	}
2229 
2230 	return _SUCCESS;
2231 
2232 }
2233 
DoReserved(struct adapter * padapter,union recv_frame * precv_frame)2234 unsigned int DoReserved(struct adapter *padapter, union recv_frame *precv_frame)
2235 {
2236 
2237 	/* DBG_871X("rcvd mgt frame(%x, %x)\n", (GetFrameSubType(pframe) >> 4), *(unsigned int *)GetAddr1Ptr(pframe)); */
2238 	return _SUCCESS;
2239 }
2240 
_alloc_mgtxmitframe(struct xmit_priv * pxmitpriv,bool once)2241 static struct xmit_frame *_alloc_mgtxmitframe(struct xmit_priv *pxmitpriv, bool once)
2242 {
2243 	struct xmit_frame *pmgntframe;
2244 	struct xmit_buf *pxmitbuf;
2245 
2246 	if (once)
2247 		pmgntframe = rtw_alloc_xmitframe_once(pxmitpriv);
2248 	else
2249 		pmgntframe = rtw_alloc_xmitframe_ext(pxmitpriv);
2250 
2251 	if (pmgntframe == NULL) {
2252 		DBG_871X(FUNC_ADPT_FMT" alloc xmitframe fail, once:%d\n", FUNC_ADPT_ARG(pxmitpriv->adapter), once);
2253 		goto exit;
2254 	}
2255 
2256 	pxmitbuf = rtw_alloc_xmitbuf_ext(pxmitpriv);
2257 	if (pxmitbuf == NULL) {
2258 		DBG_871X(FUNC_ADPT_FMT" alloc xmitbuf fail\n", FUNC_ADPT_ARG(pxmitpriv->adapter));
2259 		rtw_free_xmitframe(pxmitpriv, pmgntframe);
2260 		pmgntframe = NULL;
2261 		goto exit;
2262 	}
2263 
2264 	pmgntframe->frame_tag = MGNT_FRAMETAG;
2265 	pmgntframe->pxmitbuf = pxmitbuf;
2266 	pmgntframe->buf_addr = pxmitbuf->pbuf;
2267 	pxmitbuf->priv_data = pmgntframe;
2268 
2269 exit:
2270 	return pmgntframe;
2271 
2272 }
2273 
alloc_mgtxmitframe(struct xmit_priv * pxmitpriv)2274 inline struct xmit_frame *alloc_mgtxmitframe(struct xmit_priv *pxmitpriv)
2275 {
2276 	return _alloc_mgtxmitframe(pxmitpriv, false);
2277 }
2278 
2279 /****************************************************************************
2280 
2281 Following are some TX fuctions for WiFi MLME
2282 
2283 *****************************************************************************/
2284 
update_mgnt_tx_rate(struct adapter * padapter,u8 rate)2285 void update_mgnt_tx_rate(struct adapter *padapter, u8 rate)
2286 {
2287 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2288 
2289 	pmlmeext->tx_rate = rate;
2290 	/* DBG_871X("%s(): rate = %x\n", __func__, rate); */
2291 }
2292 
update_mgntframe_attrib(struct adapter * padapter,struct pkt_attrib * pattrib)2293 void update_mgntframe_attrib(struct adapter *padapter, struct pkt_attrib *pattrib)
2294 {
2295 	u8 wireless_mode;
2296 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2297 
2298 	/* memset((u8 *)(pattrib), 0, sizeof(struct pkt_attrib)); */
2299 
2300 	pattrib->hdrlen = 24;
2301 	pattrib->nr_frags = 1;
2302 	pattrib->priority = 7;
2303 	pattrib->mac_id = 0;
2304 	pattrib->qsel = 0x12;
2305 
2306 	pattrib->pktlen = 0;
2307 
2308 	if (pmlmeext->tx_rate == IEEE80211_CCK_RATE_1MB)
2309 		wireless_mode = WIRELESS_11B;
2310 	else
2311 		wireless_mode = WIRELESS_11G;
2312 	pattrib->raid =  rtw_get_mgntframe_raid(padapter, wireless_mode);
2313 	pattrib->rate = pmlmeext->tx_rate;
2314 
2315 	pattrib->encrypt = _NO_PRIVACY_;
2316 	pattrib->bswenc = false;
2317 
2318 	pattrib->qos_en = false;
2319 	pattrib->ht_en = false;
2320 	pattrib->bwmode = CHANNEL_WIDTH_20;
2321 	pattrib->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2322 	pattrib->sgi = false;
2323 
2324 	pattrib->seqnum = pmlmeext->mgnt_seq;
2325 
2326 	pattrib->retry_ctrl = true;
2327 
2328 	pattrib->mbssid = 0;
2329 
2330 }
2331 
update_mgntframe_attrib_addr(struct adapter * padapter,struct xmit_frame * pmgntframe)2332 void update_mgntframe_attrib_addr(struct adapter *padapter, struct xmit_frame *pmgntframe)
2333 {
2334 	u8 *pframe;
2335 	struct pkt_attrib	*pattrib = &pmgntframe->attrib;
2336 
2337 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2338 
2339 	memcpy(pattrib->ra, GetAddr1Ptr(pframe), ETH_ALEN);
2340 	memcpy(pattrib->ta, GetAddr2Ptr(pframe), ETH_ALEN);
2341 }
2342 
dump_mgntframe(struct adapter * padapter,struct xmit_frame * pmgntframe)2343 void dump_mgntframe(struct adapter *padapter, struct xmit_frame *pmgntframe)
2344 {
2345 	if (padapter->bSurpriseRemoved ||
2346 		padapter->bDriverStopped) {
2347 		rtw_free_xmitbuf(&padapter->xmitpriv, pmgntframe->pxmitbuf);
2348 		rtw_free_xmitframe(&padapter->xmitpriv, pmgntframe);
2349 		return;
2350 	}
2351 
2352 	rtw_hal_mgnt_xmit(padapter, pmgntframe);
2353 }
2354 
dump_mgntframe_and_wait(struct adapter * padapter,struct xmit_frame * pmgntframe,int timeout_ms)2355 s32 dump_mgntframe_and_wait(struct adapter *padapter, struct xmit_frame *pmgntframe, int timeout_ms)
2356 {
2357 	s32 ret = _FAIL;
2358 	_irqL irqL;
2359 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2360 	struct xmit_buf *pxmitbuf = pmgntframe->pxmitbuf;
2361 	struct submit_ctx sctx;
2362 
2363 	if (padapter->bSurpriseRemoved ||
2364 		padapter->bDriverStopped) {
2365 		rtw_free_xmitbuf(&padapter->xmitpriv, pmgntframe->pxmitbuf);
2366 		rtw_free_xmitframe(&padapter->xmitpriv, pmgntframe);
2367 		return ret;
2368 	}
2369 
2370 	rtw_sctx_init(&sctx, timeout_ms);
2371 	pxmitbuf->sctx = &sctx;
2372 
2373 	ret = rtw_hal_mgnt_xmit(padapter, pmgntframe);
2374 
2375 	if (ret == _SUCCESS)
2376 		ret = rtw_sctx_wait(&sctx, __func__);
2377 
2378 	spin_lock_irqsave(&pxmitpriv->lock_sctx, irqL);
2379 	pxmitbuf->sctx = NULL;
2380 	spin_unlock_irqrestore(&pxmitpriv->lock_sctx, irqL);
2381 
2382 	return ret;
2383 }
2384 
dump_mgntframe_and_wait_ack(struct adapter * padapter,struct xmit_frame * pmgntframe)2385 s32 dump_mgntframe_and_wait_ack(struct adapter *padapter, struct xmit_frame *pmgntframe)
2386 {
2387 	static u8 seq_no;
2388 	s32 ret = _FAIL;
2389 	u32 timeout_ms = 500;/*   500ms */
2390 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
2391 
2392 	if (padapter->bSurpriseRemoved ||
2393 		padapter->bDriverStopped) {
2394 		rtw_free_xmitbuf(&padapter->xmitpriv, pmgntframe->pxmitbuf);
2395 		rtw_free_xmitframe(&padapter->xmitpriv, pmgntframe);
2396 		return -1;
2397 	}
2398 
2399 	if (mutex_lock_interruptible(&pxmitpriv->ack_tx_mutex) == 0) {
2400 		pxmitpriv->ack_tx = true;
2401 		pxmitpriv->seq_no = seq_no++;
2402 		pmgntframe->ack_report = 1;
2403 		if (rtw_hal_mgnt_xmit(padapter, pmgntframe) == _SUCCESS) {
2404 			ret = rtw_ack_tx_wait(pxmitpriv, timeout_ms);
2405 		}
2406 
2407 		pxmitpriv->ack_tx = false;
2408 		mutex_unlock(&pxmitpriv->ack_tx_mutex);
2409 	}
2410 
2411 	return ret;
2412 }
2413 
update_hidden_ssid(u8 * ies,u32 ies_len,u8 hidden_ssid_mode)2414 static int update_hidden_ssid(u8 *ies, u32 ies_len, u8 hidden_ssid_mode)
2415 {
2416 	u8 *ssid_ie;
2417 	sint ssid_len_ori;
2418 	int len_diff = 0;
2419 
2420 	ssid_ie = rtw_get_ie(ies,  WLAN_EID_SSID, &ssid_len_ori, ies_len);
2421 
2422 	/* DBG_871X("%s hidden_ssid_mode:%u, ssid_ie:%p, ssid_len_ori:%d\n", __func__, hidden_ssid_mode, ssid_ie, ssid_len_ori); */
2423 
2424 	if (ssid_ie && ssid_len_ori > 0) {
2425 		switch (hidden_ssid_mode) {
2426 		case 1:
2427 		{
2428 			u8 *next_ie = ssid_ie + 2 + ssid_len_ori;
2429 			u32 remain_len = 0;
2430 
2431 			remain_len = ies_len - (next_ie-ies);
2432 
2433 			ssid_ie[1] = 0;
2434 			memcpy(ssid_ie+2, next_ie, remain_len);
2435 			len_diff -= ssid_len_ori;
2436 
2437 			break;
2438 		}
2439 		case 2:
2440 			memset(&ssid_ie[2], 0, ssid_len_ori);
2441 			break;
2442 		default:
2443 			break;
2444 	}
2445 	}
2446 
2447 	return len_diff;
2448 }
2449 
issue_beacon(struct adapter * padapter,int timeout_ms)2450 void issue_beacon(struct adapter *padapter, int timeout_ms)
2451 {
2452 	struct xmit_frame	*pmgntframe;
2453 	struct pkt_attrib	*pattrib;
2454 	unsigned char *pframe;
2455 	struct ieee80211_hdr *pwlanhdr;
2456 	__le16 *fctrl;
2457 	unsigned int	rate_len;
2458 	struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2459 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2460 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2461 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2462 	struct wlan_bssid_ex		*cur_network = &(pmlmeinfo->network);
2463 	u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2464 
2465 	/* DBG_871X("%s\n", __func__); */
2466 
2467 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2468 	if (pmgntframe == NULL) {
2469 		DBG_871X("%s, alloc mgnt frame fail\n", __func__);
2470 		return;
2471 	}
2472 
2473 	spin_lock_bh(&pmlmepriv->bcn_update_lock);
2474 
2475 	/* update attribute */
2476 	pattrib = &pmgntframe->attrib;
2477 	update_mgntframe_attrib(padapter, pattrib);
2478 	pattrib->qsel = 0x10;
2479 
2480 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2481 
2482 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2483 	pwlanhdr = (struct ieee80211_hdr *)pframe;
2484 
2485 
2486 	fctrl = &(pwlanhdr->frame_control);
2487 	*(fctrl) = 0;
2488 
2489 	memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
2490 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
2491 	memcpy(pwlanhdr->addr3, get_my_bssid(cur_network), ETH_ALEN);
2492 
2493 	SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
2494 	/* pmlmeext->mgnt_seq++; */
2495 	SetFrameSubType(pframe, WIFI_BEACON);
2496 
2497 	pframe += sizeof(struct ieee80211_hdr_3addr);
2498 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
2499 
2500 	if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) {
2501 		/* DBG_871X("ie len =%d\n", cur_network->IELength); */
2502 		{
2503 			int len_diff;
2504 			memcpy(pframe, cur_network->IEs, cur_network->IELength);
2505 			len_diff = update_hidden_ssid(
2506 				pframe+_BEACON_IE_OFFSET_
2507 				, cur_network->IELength-_BEACON_IE_OFFSET_
2508 				, pmlmeinfo->hidden_ssid_mode
2509 			);
2510 			pframe += (cur_network->IELength+len_diff);
2511 			pattrib->pktlen += (cur_network->IELength+len_diff);
2512 		}
2513 
2514 		{
2515 			u8 *wps_ie;
2516 			uint wps_ielen;
2517 			u8 sr = 0;
2518 			wps_ie = rtw_get_wps_ie(pmgntframe->buf_addr+TXDESC_OFFSET+sizeof(struct ieee80211_hdr_3addr)+_BEACON_IE_OFFSET_,
2519 				pattrib->pktlen-sizeof(struct ieee80211_hdr_3addr)-_BEACON_IE_OFFSET_, NULL, &wps_ielen);
2520 			if (wps_ie && wps_ielen > 0) {
2521 				rtw_get_wps_attr_content(wps_ie,  wps_ielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL);
2522 			}
2523 			if (sr != 0)
2524 				set_fwstate(pmlmepriv, WIFI_UNDER_WPS);
2525 			else
2526 				_clr_fwstate_(pmlmepriv, WIFI_UNDER_WPS);
2527 		}
2528 
2529 		goto _issue_bcn;
2530 
2531 	}
2532 
2533 	/* below for ad-hoc mode */
2534 
2535 	/* timestamp will be inserted by hardware */
2536 	pframe += 8;
2537 	pattrib->pktlen += 8;
2538 
2539 	/*  beacon interval: 2 bytes */
2540 
2541 	memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->IEs)), 2);
2542 
2543 	pframe += 2;
2544 	pattrib->pktlen += 2;
2545 
2546 	/*  capability info: 2 bytes */
2547 
2548 	memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->IEs)), 2);
2549 
2550 	pframe += 2;
2551 	pattrib->pktlen += 2;
2552 
2553 	/*  SSID */
2554 	pframe = rtw_set_ie(pframe, _SSID_IE_, cur_network->Ssid.SsidLength, cur_network->Ssid.Ssid, &pattrib->pktlen);
2555 
2556 	/*  supported rates... */
2557 	rate_len = rtw_get_rateset_len(cur_network->SupportedRates);
2558 	pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, ((rate_len > 8) ? 8 : rate_len), cur_network->SupportedRates, &pattrib->pktlen);
2559 
2560 	/*  DS parameter set */
2561 	pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&(cur_network->Configuration.DSConfig), &pattrib->pktlen);
2562 
2563 	/* if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) */
2564 	{
2565 		u8 erpinfo = 0;
2566 		u32 ATIMWindow;
2567 		/*  IBSS Parameter Set... */
2568 		/* ATIMWindow = cur->Configuration.ATIMWindow; */
2569 		ATIMWindow = 0;
2570 		pframe = rtw_set_ie(pframe, _IBSS_PARA_IE_, 2, (unsigned char *)(&ATIMWindow), &pattrib->pktlen);
2571 
2572 		/* ERP IE */
2573 		pframe = rtw_set_ie(pframe, _ERPINFO_IE_, 1, &erpinfo, &pattrib->pktlen);
2574 	}
2575 
2576 
2577 	/*  EXTERNDED SUPPORTED RATE */
2578 	if (rate_len > 8) {
2579 		pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (rate_len - 8), (cur_network->SupportedRates + 8), &pattrib->pktlen);
2580 	}
2581 
2582 
2583 	/* todo:HT for adhoc */
2584 
2585 _issue_bcn:
2586 
2587 	pmlmepriv->update_bcn = false;
2588 
2589 	spin_unlock_bh(&pmlmepriv->bcn_update_lock);
2590 
2591 	if ((pattrib->pktlen + TXDESC_SIZE) > 512) {
2592 		DBG_871X("beacon frame too large\n");
2593 		return;
2594 	}
2595 
2596 	pattrib->last_txcmdsz = pattrib->pktlen;
2597 
2598 	/* DBG_871X("issue bcn_sz =%d\n", pattrib->last_txcmdsz); */
2599 	if (timeout_ms > 0)
2600 		dump_mgntframe_and_wait(padapter, pmgntframe, timeout_ms);
2601 	else
2602 		dump_mgntframe(padapter, pmgntframe);
2603 
2604 }
2605 
issue_probersp(struct adapter * padapter,unsigned char * da,u8 is_valid_p2p_probereq)2606 void issue_probersp(struct adapter *padapter, unsigned char *da, u8 is_valid_p2p_probereq)
2607 {
2608 	struct xmit_frame			*pmgntframe;
2609 	struct pkt_attrib			*pattrib;
2610 	unsigned char 				*pframe;
2611 	struct ieee80211_hdr	*pwlanhdr;
2612 	__le16 *fctrl;
2613 	unsigned char 				*mac, *bssid;
2614 	struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2615 
2616 	u8 *pwps_ie;
2617 	uint wps_ielen;
2618 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2619 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2620 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2621 	struct wlan_bssid_ex		*cur_network = &(pmlmeinfo->network);
2622 	unsigned int	rate_len;
2623 
2624 	/* DBG_871X("%s\n", __func__); */
2625 
2626 	if (da == NULL)
2627 		return;
2628 
2629 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2630 	if (pmgntframe == NULL) {
2631 		DBG_871X("%s, alloc mgnt frame fail\n", __func__);
2632 		return;
2633 	}
2634 
2635 
2636 	/* update attribute */
2637 	pattrib = &pmgntframe->attrib;
2638 	update_mgntframe_attrib(padapter, pattrib);
2639 
2640 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2641 
2642 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2643 	pwlanhdr = (struct ieee80211_hdr *)pframe;
2644 
2645 	mac = myid(&(padapter->eeprompriv));
2646 	bssid = cur_network->MacAddress;
2647 
2648 	fctrl = &(pwlanhdr->frame_control);
2649 	*(fctrl) = 0;
2650 	memcpy(pwlanhdr->addr1, da, ETH_ALEN);
2651 	memcpy(pwlanhdr->addr2, mac, ETH_ALEN);
2652 	memcpy(pwlanhdr->addr3, bssid, ETH_ALEN);
2653 
2654 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
2655 	pmlmeext->mgnt_seq++;
2656 	SetFrameSubType(fctrl, WIFI_PROBERSP);
2657 
2658 	pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
2659 	pattrib->pktlen = pattrib->hdrlen;
2660 	pframe += pattrib->hdrlen;
2661 
2662 
2663 	if (cur_network->IELength > MAX_IE_SZ)
2664 		return;
2665 
2666 	if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) {
2667 		pwps_ie = rtw_get_wps_ie(cur_network->IEs+_FIXED_IE_LENGTH_, cur_network->IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
2668 
2669 		/* inerset & update wps_probe_resp_ie */
2670 		if ((pmlmepriv->wps_probe_resp_ie != NULL) && pwps_ie && (wps_ielen > 0)) {
2671 			uint wps_offset, remainder_ielen;
2672 			u8 *premainder_ie;
2673 
2674 			wps_offset = (uint)(pwps_ie - cur_network->IEs);
2675 
2676 			premainder_ie = pwps_ie + wps_ielen;
2677 
2678 			remainder_ielen = cur_network->IELength - wps_offset - wps_ielen;
2679 
2680 			memcpy(pframe, cur_network->IEs, wps_offset);
2681 			pframe += wps_offset;
2682 			pattrib->pktlen += wps_offset;
2683 
2684 			wps_ielen = (uint)pmlmepriv->wps_probe_resp_ie[1];/* to get ie data len */
2685 			if ((wps_offset+wps_ielen+2) <= MAX_IE_SZ) {
2686 				memcpy(pframe, pmlmepriv->wps_probe_resp_ie, wps_ielen+2);
2687 				pframe += wps_ielen+2;
2688 				pattrib->pktlen += wps_ielen+2;
2689 			}
2690 
2691 			if ((wps_offset+wps_ielen+2+remainder_ielen) <= MAX_IE_SZ) {
2692 				memcpy(pframe, premainder_ie, remainder_ielen);
2693 				pframe += remainder_ielen;
2694 				pattrib->pktlen += remainder_ielen;
2695 			}
2696 		} else{
2697 			memcpy(pframe, cur_network->IEs, cur_network->IELength);
2698 			pframe += cur_network->IELength;
2699 			pattrib->pktlen += cur_network->IELength;
2700 		}
2701 
2702 		/* retrieve SSID IE from cur_network->Ssid */
2703 		{
2704 			u8 *ssid_ie;
2705 			sint ssid_ielen;
2706 			sint ssid_ielen_diff;
2707 			u8 buf[MAX_IE_SZ];
2708 			u8 *ies = pmgntframe->buf_addr+TXDESC_OFFSET+sizeof(struct ieee80211_hdr_3addr);
2709 
2710 			ssid_ie = rtw_get_ie(ies+_FIXED_IE_LENGTH_, _SSID_IE_, &ssid_ielen,
2711 				(pframe-ies)-_FIXED_IE_LENGTH_);
2712 
2713 			ssid_ielen_diff = cur_network->Ssid.SsidLength - ssid_ielen;
2714 
2715 			if (ssid_ie &&  cur_network->Ssid.SsidLength) {
2716 				uint remainder_ielen;
2717 				u8 *remainder_ie;
2718 				remainder_ie = ssid_ie+2;
2719 				remainder_ielen = (pframe-remainder_ie);
2720 
2721 				if (remainder_ielen > MAX_IE_SZ) {
2722 					DBG_871X_LEVEL(_drv_warning_, FUNC_ADPT_FMT" remainder_ielen > MAX_IE_SZ\n", FUNC_ADPT_ARG(padapter));
2723 					remainder_ielen = MAX_IE_SZ;
2724 				}
2725 
2726 				memcpy(buf, remainder_ie, remainder_ielen);
2727 				memcpy(remainder_ie+ssid_ielen_diff, buf, remainder_ielen);
2728 				*(ssid_ie+1) = cur_network->Ssid.SsidLength;
2729 				memcpy(ssid_ie+2, cur_network->Ssid.Ssid, cur_network->Ssid.SsidLength);
2730 
2731 				pframe += ssid_ielen_diff;
2732 				pattrib->pktlen += ssid_ielen_diff;
2733 			}
2734 		}
2735 	} else{
2736 		/* timestamp will be inserted by hardware */
2737 		pframe += 8;
2738 		pattrib->pktlen += 8;
2739 
2740 		/*  beacon interval: 2 bytes */
2741 
2742 		memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->IEs)), 2);
2743 
2744 		pframe += 2;
2745 		pattrib->pktlen += 2;
2746 
2747 		/*  capability info: 2 bytes */
2748 
2749 		memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->IEs)), 2);
2750 
2751 		pframe += 2;
2752 		pattrib->pktlen += 2;
2753 
2754 		/* below for ad-hoc mode */
2755 
2756 		/*  SSID */
2757 		pframe = rtw_set_ie(pframe, _SSID_IE_, cur_network->Ssid.SsidLength, cur_network->Ssid.Ssid, &pattrib->pktlen);
2758 
2759 		/*  supported rates... */
2760 		rate_len = rtw_get_rateset_len(cur_network->SupportedRates);
2761 		pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, ((rate_len > 8) ? 8 : rate_len), cur_network->SupportedRates, &pattrib->pktlen);
2762 
2763 		/*  DS parameter set */
2764 		pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&(cur_network->Configuration.DSConfig), &pattrib->pktlen);
2765 
2766 		if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) {
2767 			u8 erpinfo = 0;
2768 			u32 ATIMWindow;
2769 			/*  IBSS Parameter Set... */
2770 			/* ATIMWindow = cur->Configuration.ATIMWindow; */
2771 			ATIMWindow = 0;
2772 			pframe = rtw_set_ie(pframe, _IBSS_PARA_IE_, 2, (unsigned char *)(&ATIMWindow), &pattrib->pktlen);
2773 
2774 			/* ERP IE */
2775 			pframe = rtw_set_ie(pframe, _ERPINFO_IE_, 1, &erpinfo, &pattrib->pktlen);
2776 		}
2777 
2778 
2779 		/*  EXTERNDED SUPPORTED RATE */
2780 		if (rate_len > 8) {
2781 			pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (rate_len - 8), (cur_network->SupportedRates + 8), &pattrib->pktlen);
2782 		}
2783 
2784 
2785 		/* todo:HT for adhoc */
2786 
2787 	}
2788 
2789 #ifdef CONFIG_AUTO_AP_MODE
2790 {
2791 	struct sta_info *psta;
2792 	struct sta_priv *pstapriv = &padapter->stapriv;
2793 
2794 	DBG_871X("(%s)\n", __func__);
2795 
2796 	/* check rc station */
2797 	psta = rtw_get_stainfo(pstapriv, da);
2798 	if (psta && psta->isrc && psta->pid > 0) {
2799 		u8 RC_OUI[4] = {0x00, 0xE0, 0x4C, 0x0A};
2800 		u8 RC_INFO[14] = {0};
2801 		/* EID[1] + EID_LEN[1] + RC_OUI[4] + MAC[6] + PairingID[2] + ChannelNum[2] */
2802 		u16 cu_ch = (u16)cur_network->Configuration.DSConfig;
2803 
2804 		DBG_871X("%s, reply rc(pid = 0x%x) device "MAC_FMT" in ch =%d\n", __func__,
2805 			psta->pid, MAC_ARG(psta->hwaddr), cu_ch);
2806 
2807 		/* append vendor specific ie */
2808 		memcpy(RC_INFO, RC_OUI, sizeof(RC_OUI));
2809 		memcpy(&RC_INFO[4], mac, ETH_ALEN);
2810 		memcpy(&RC_INFO[10], (u8 *)&psta->pid, 2);
2811 		memcpy(&RC_INFO[12], (u8 *)&cu_ch, 2);
2812 
2813 		pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, sizeof(RC_INFO), RC_INFO, &pattrib->pktlen);
2814 	}
2815 }
2816 #endif /* CONFIG_AUTO_AP_MODE */
2817 
2818 
2819 	pattrib->last_txcmdsz = pattrib->pktlen;
2820 
2821 
2822 	dump_mgntframe(padapter, pmgntframe);
2823 
2824 	return;
2825 
2826 }
2827 
_issue_probereq(struct adapter * padapter,struct ndis_802_11_ssid * pssid,u8 * da,u8 ch,bool append_wps,bool wait_ack)2828 static int _issue_probereq(struct adapter *padapter,
2829 			   struct ndis_802_11_ssid *pssid,
2830 			   u8 *da, u8 ch, bool append_wps, bool wait_ack)
2831 {
2832 	int ret = _FAIL;
2833 	struct xmit_frame		*pmgntframe;
2834 	struct pkt_attrib		*pattrib;
2835 	unsigned char 		*pframe;
2836 	struct ieee80211_hdr	*pwlanhdr;
2837 	__le16 *fctrl;
2838 	unsigned char 		*mac;
2839 	unsigned char 		bssrate[NumRates];
2840 	struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv);
2841 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2842 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2843 	int	bssrate_len = 0;
2844 	u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2845 
2846 	RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+issue_probereq\n"));
2847 
2848 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2849 	if (pmgntframe == NULL)
2850 		goto exit;
2851 
2852 	/* update attribute */
2853 	pattrib = &pmgntframe->attrib;
2854 	update_mgntframe_attrib(padapter, pattrib);
2855 
2856 
2857 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2858 
2859 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2860 	pwlanhdr = (struct ieee80211_hdr *)pframe;
2861 
2862 	mac = myid(&(padapter->eeprompriv));
2863 
2864 	fctrl = &(pwlanhdr->frame_control);
2865 	*(fctrl) = 0;
2866 
2867 	if (da) {
2868 		/* 	unicast probe request frame */
2869 		memcpy(pwlanhdr->addr1, da, ETH_ALEN);
2870 		memcpy(pwlanhdr->addr3, da, ETH_ALEN);
2871 	} else{
2872 		/* 	broadcast probe request frame */
2873 		memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
2874 		memcpy(pwlanhdr->addr3, bc_addr, ETH_ALEN);
2875 	}
2876 
2877 	memcpy(pwlanhdr->addr2, mac, ETH_ALEN);
2878 
2879 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
2880 	pmlmeext->mgnt_seq++;
2881 	SetFrameSubType(pframe, WIFI_PROBEREQ);
2882 
2883 	pframe += sizeof(struct ieee80211_hdr_3addr);
2884 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
2885 
2886 	if (pssid)
2887 		pframe = rtw_set_ie(pframe, _SSID_IE_, pssid->SsidLength, pssid->Ssid, &(pattrib->pktlen));
2888 	else
2889 		pframe = rtw_set_ie(pframe, _SSID_IE_, 0, NULL, &(pattrib->pktlen));
2890 
2891 	get_rate_set(padapter, bssrate, &bssrate_len);
2892 
2893 	if (bssrate_len > 8) {
2894 		pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, 8, bssrate, &(pattrib->pktlen));
2895 		pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (bssrate_len - 8), (bssrate + 8), &(pattrib->pktlen));
2896 	} else{
2897 		pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, bssrate_len, bssrate, &(pattrib->pktlen));
2898 	}
2899 
2900 	if (ch)
2901 		pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, &ch, &pattrib->pktlen);
2902 
2903 	if (append_wps) {
2904 		/* add wps_ie for wps2.0 */
2905 		if (pmlmepriv->wps_probe_req_ie_len > 0 && pmlmepriv->wps_probe_req_ie) {
2906 			memcpy(pframe, pmlmepriv->wps_probe_req_ie, pmlmepriv->wps_probe_req_ie_len);
2907 			pframe += pmlmepriv->wps_probe_req_ie_len;
2908 			pattrib->pktlen += pmlmepriv->wps_probe_req_ie_len;
2909 		}
2910 	}
2911 
2912 	pattrib->last_txcmdsz = pattrib->pktlen;
2913 
2914 	RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("issuing probe_req, tx_len =%d\n", pattrib->last_txcmdsz));
2915 
2916 	if (wait_ack) {
2917 		ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe);
2918 	} else {
2919 		dump_mgntframe(padapter, pmgntframe);
2920 		ret = _SUCCESS;
2921 	}
2922 
2923 exit:
2924 	return ret;
2925 }
2926 
issue_probereq(struct adapter * padapter,struct ndis_802_11_ssid * pssid,u8 * da)2927 inline void issue_probereq(struct adapter *padapter, struct ndis_802_11_ssid *pssid, u8 *da)
2928 {
2929 	_issue_probereq(padapter, pssid, da, 0, 1, false);
2930 }
2931 
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)2932 int issue_probereq_ex(struct adapter *padapter, struct ndis_802_11_ssid *pssid, u8 *da, u8 ch, bool append_wps,
2933 	int try_cnt, int wait_ms)
2934 {
2935 	int ret;
2936 	int i = 0;
2937 
2938 	do {
2939 		ret = _issue_probereq(padapter, pssid, da, ch, append_wps, wait_ms > 0?true:false);
2940 
2941 		i++;
2942 
2943 		if (padapter->bDriverStopped || padapter->bSurpriseRemoved)
2944 			break;
2945 
2946 		if (i < try_cnt && wait_ms > 0 && ret == _FAIL)
2947 			msleep(wait_ms);
2948 
2949 	} while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0)));
2950 
2951 	if (ret != _FAIL) {
2952 		ret = _SUCCESS;
2953 		#ifndef DBG_XMIT_ACK
2954 		goto exit;
2955 		#endif
2956 	}
2957 
2958 	if (try_cnt && wait_ms) {
2959 		if (da)
2960 			DBG_871X(FUNC_ADPT_FMT" to "MAC_FMT", ch:%u%s, %d/%d in %u ms\n",
2961 				FUNC_ADPT_ARG(padapter), MAC_ARG(da), rtw_get_oper_ch(padapter),
2962 				ret == _SUCCESS?", acked":"", i, try_cnt, (i + 1) * wait_ms);
2963 		else
2964 			DBG_871X(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n",
2965 				FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter),
2966 				ret == _SUCCESS?", acked":"", i, try_cnt, (i + 1) * wait_ms);
2967 	}
2968 exit:
2969 	return ret;
2970 }
2971 
2972 /*  if psta == NULL, indiate we are station(client) now... */
issue_auth(struct adapter * padapter,struct sta_info * psta,unsigned short status)2973 void issue_auth(struct adapter *padapter, struct sta_info *psta, unsigned short status)
2974 {
2975 	struct xmit_frame			*pmgntframe;
2976 	struct pkt_attrib			*pattrib;
2977 	unsigned char 				*pframe;
2978 	struct ieee80211_hdr	*pwlanhdr;
2979 	__le16 *fctrl;
2980 	unsigned int					val32;
2981 	unsigned short				val16;
2982 	int use_shared_key = 0;
2983 	struct xmit_priv 		*pxmitpriv = &(padapter->xmitpriv);
2984 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2985 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2986 	__le16 le_tmp;
2987 
2988 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2989 	if (pmgntframe == NULL)
2990 		return;
2991 
2992 	/* update attribute */
2993 	pattrib = &pmgntframe->attrib;
2994 	update_mgntframe_attrib(padapter, pattrib);
2995 
2996 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2997 
2998 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2999 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3000 
3001 	fctrl = &(pwlanhdr->frame_control);
3002 	*(fctrl) = 0;
3003 
3004 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3005 	pmlmeext->mgnt_seq++;
3006 	SetFrameSubType(pframe, WIFI_AUTH);
3007 
3008 	pframe += sizeof(struct ieee80211_hdr_3addr);
3009 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
3010 
3011 
3012 	if (psta) { /*  for AP mode */
3013 		memcpy(pwlanhdr->addr1, psta->hwaddr, ETH_ALEN);
3014 		memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3015 		memcpy(pwlanhdr->addr3, myid(&(padapter->eeprompriv)), ETH_ALEN);
3016 
3017 		/*  setting auth algo number */
3018 		val16 = (u16)psta->authalg;
3019 
3020 		if (status != _STATS_SUCCESSFUL_)
3021 			val16 = 0;
3022 
3023 		if (val16)
3024 			use_shared_key = 1;
3025 
3026 		le_tmp = cpu_to_le16(val16);
3027 
3028 		pframe = rtw_set_fixed_ie(pframe, _AUTH_ALGM_NUM_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
3029 
3030 		/*  setting auth seq number */
3031 		val16 = (u16)psta->auth_seq;
3032 		le_tmp = cpu_to_le16(val16);
3033 		pframe = rtw_set_fixed_ie(pframe, _AUTH_SEQ_NUM_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
3034 
3035 		/*  setting status code... */
3036 		val16 = status;
3037 		le_tmp = cpu_to_le16(val16);
3038 		pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
3039 
3040 		/*  added challenging text... */
3041 		if ((psta->auth_seq == 2) && (psta->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1))
3042 			pframe = rtw_set_ie(pframe, _CHLGETXT_IE_, 128, psta->chg_txt, &(pattrib->pktlen));
3043 
3044 	} else{
3045 		memcpy(pwlanhdr->addr1, get_my_bssid(&pmlmeinfo->network), ETH_ALEN);
3046 		memcpy(pwlanhdr->addr2, myid(&padapter->eeprompriv), ETH_ALEN);
3047 		memcpy(pwlanhdr->addr3, get_my_bssid(&pmlmeinfo->network), ETH_ALEN);
3048 
3049 		/*  setting auth algo number */
3050 		val16 = (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) ? 1 : 0;/*  0:OPEN System, 1:Shared key */
3051 		if (val16) {
3052 			use_shared_key = 1;
3053 		}
3054 		le_tmp = cpu_to_le16(val16);
3055 		/* DBG_871X("%s auth_algo = %s auth_seq =%d\n", __func__, (pmlmeinfo->auth_algo == 0)?"OPEN":"SHARED", pmlmeinfo->auth_seq); */
3056 
3057 		/* setting IV for auth seq #3 */
3058 		if ((pmlmeinfo->auth_seq == 3) && (pmlmeinfo->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1)) {
3059 			__le32 le_tmp32;
3060 
3061 			/* DBG_871X("==> iv(%d), key_index(%d)\n", pmlmeinfo->iv, pmlmeinfo->key_index); */
3062 			val32 = ((pmlmeinfo->iv++) | (pmlmeinfo->key_index << 30));
3063 			le_tmp32 = cpu_to_le32(val32);
3064 			pframe = rtw_set_fixed_ie(pframe, 4, (unsigned char *)&le_tmp32, &(pattrib->pktlen));
3065 
3066 			pattrib->iv_len = 4;
3067 		}
3068 
3069 		pframe = rtw_set_fixed_ie(pframe, _AUTH_ALGM_NUM_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
3070 
3071 		/*  setting auth seq number */
3072 		le_tmp = cpu_to_le16(pmlmeinfo->auth_seq);
3073 		pframe = rtw_set_fixed_ie(pframe, _AUTH_SEQ_NUM_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
3074 
3075 
3076 		/*  setting status code... */
3077 		le_tmp = cpu_to_le16(status);
3078 		pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
3079 
3080 		/*  then checking to see if sending challenging text... */
3081 		if ((pmlmeinfo->auth_seq == 3) && (pmlmeinfo->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1)) {
3082 			pframe = rtw_set_ie(pframe, _CHLGETXT_IE_, 128, pmlmeinfo->chg_txt, &(pattrib->pktlen));
3083 
3084 			SetPrivacy(fctrl);
3085 
3086 			pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
3087 
3088 			pattrib->encrypt = _WEP40_;
3089 
3090 			pattrib->icv_len = 4;
3091 
3092 			pattrib->pktlen += pattrib->icv_len;
3093 
3094 		}
3095 
3096 	}
3097 
3098 	pattrib->last_txcmdsz = pattrib->pktlen;
3099 
3100 	rtw_wep_encrypt(padapter, (u8 *)pmgntframe);
3101 	DBG_871X("%s\n", __func__);
3102 	dump_mgntframe(padapter, pmgntframe);
3103 
3104 	return;
3105 }
3106 
3107 
issue_asocrsp(struct adapter * padapter,unsigned short status,struct sta_info * pstat,int pkt_type)3108 void issue_asocrsp(struct adapter *padapter, unsigned short status, struct sta_info *pstat, int pkt_type)
3109 {
3110 	struct xmit_frame	*pmgntframe;
3111 	struct ieee80211_hdr	*pwlanhdr;
3112 	struct pkt_attrib *pattrib;
3113 	unsigned char *pbuf, *pframe;
3114 	unsigned short val;
3115 	__le16 *fctrl;
3116 	struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
3117 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
3118 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
3119 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3120 	struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
3121 	u8 *ie = pnetwork->IEs;
3122 	__le16 lestatus, le_tmp;
3123 
3124 	DBG_871X("%s\n", __func__);
3125 
3126 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3127 	if (pmgntframe == NULL)
3128 		return;
3129 
3130 	/* update attribute */
3131 	pattrib = &pmgntframe->attrib;
3132 	update_mgntframe_attrib(padapter, pattrib);
3133 
3134 
3135 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3136 
3137 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3138 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3139 
3140 	fctrl = &(pwlanhdr->frame_control);
3141 	*(fctrl) = 0;
3142 
3143 	memcpy((void *)GetAddr1Ptr(pwlanhdr), pstat->hwaddr, ETH_ALEN);
3144 	memcpy((void *)GetAddr2Ptr(pwlanhdr), myid(&(padapter->eeprompriv)), ETH_ALEN);
3145 	memcpy((void *)GetAddr3Ptr(pwlanhdr), get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3146 
3147 
3148 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3149 	pmlmeext->mgnt_seq++;
3150 	if ((pkt_type == WIFI_ASSOCRSP) || (pkt_type == WIFI_REASSOCRSP))
3151 		SetFrameSubType(pwlanhdr, pkt_type);
3152 	else
3153 		return;
3154 
3155 	pattrib->hdrlen = sizeof(struct ieee80211_hdr_3addr);
3156 	pattrib->pktlen += pattrib->hdrlen;
3157 	pframe += pattrib->hdrlen;
3158 
3159 	/* capability */
3160 	val = *(unsigned short *)rtw_get_capability_from_ie(ie);
3161 
3162 	pframe = rtw_set_fixed_ie(pframe, _CAPABILITY_, (unsigned char *)&val, &(pattrib->pktlen));
3163 
3164 	lestatus = cpu_to_le16(status);
3165 	pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_, (unsigned char *)&lestatus, &(pattrib->pktlen));
3166 
3167 	le_tmp = cpu_to_le16(pstat->aid | BIT(14) | BIT(15));
3168 	pframe = rtw_set_fixed_ie(pframe, _ASOC_ID_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
3169 
3170 	if (pstat->bssratelen <= 8) {
3171 		pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, pstat->bssratelen, pstat->bssrateset, &(pattrib->pktlen));
3172 	} else{
3173 		pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, 8, pstat->bssrateset, &(pattrib->pktlen));
3174 		pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (pstat->bssratelen-8), pstat->bssrateset+8, &(pattrib->pktlen));
3175 	}
3176 
3177 	if ((pstat->flags & WLAN_STA_HT) && (pmlmepriv->htpriv.ht_option)) {
3178 		uint ie_len = 0;
3179 
3180 		/* FILL HT CAP INFO IE */
3181 		/* p = hostapd_eid_ht_capabilities_info(hapd, p); */
3182 		pbuf = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len, (pnetwork->IELength - _BEACON_IE_OFFSET_));
3183 		if (pbuf && ie_len > 0) {
3184 			memcpy(pframe, pbuf, ie_len+2);
3185 			pframe += (ie_len+2);
3186 			pattrib->pktlen += (ie_len+2);
3187 		}
3188 
3189 		/* FILL HT ADD INFO IE */
3190 		/* p = hostapd_eid_ht_operation(hapd, p); */
3191 		pbuf = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len, (pnetwork->IELength - _BEACON_IE_OFFSET_));
3192 		if (pbuf && ie_len > 0) {
3193 			memcpy(pframe, pbuf, ie_len+2);
3194 			pframe += (ie_len+2);
3195 			pattrib->pktlen += (ie_len+2);
3196 		}
3197 
3198 	}
3199 
3200 	/* FILL WMM IE */
3201 	if ((pstat->flags & WLAN_STA_WME) && (pmlmepriv->qospriv.qos_option)) {
3202 		uint ie_len = 0;
3203 		unsigned char WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
3204 
3205 		for (pbuf = ie + _BEACON_IE_OFFSET_; ; pbuf += (ie_len + 2)) {
3206 			pbuf = rtw_get_ie(pbuf, _VENDOR_SPECIFIC_IE_, &ie_len, (pnetwork->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
3207 			if (pbuf && !memcmp(pbuf+2, WMM_PARA_IE, 6)) {
3208 				memcpy(pframe, pbuf, ie_len+2);
3209 				pframe += (ie_len+2);
3210 				pattrib->pktlen += (ie_len+2);
3211 
3212 				break;
3213 			}
3214 
3215 			if ((pbuf == NULL) || (ie_len == 0)) {
3216 				break;
3217 			}
3218 		}
3219 
3220 	}
3221 
3222 
3223 	if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_REALTEK) {
3224 		pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, 6, REALTEK_96B_IE, &(pattrib->pktlen));
3225 	}
3226 
3227 	/* add WPS IE ie for wps 2.0 */
3228 	if (pmlmepriv->wps_assoc_resp_ie && pmlmepriv->wps_assoc_resp_ie_len > 0) {
3229 		memcpy(pframe, pmlmepriv->wps_assoc_resp_ie, pmlmepriv->wps_assoc_resp_ie_len);
3230 
3231 		pframe += pmlmepriv->wps_assoc_resp_ie_len;
3232 		pattrib->pktlen += pmlmepriv->wps_assoc_resp_ie_len;
3233 	}
3234 
3235 	pattrib->last_txcmdsz = pattrib->pktlen;
3236 
3237 	dump_mgntframe(padapter, pmgntframe);
3238 }
3239 
issue_assocreq(struct adapter * padapter)3240 void issue_assocreq(struct adapter *padapter)
3241 {
3242 	int ret = _FAIL;
3243 	struct xmit_frame				*pmgntframe;
3244 	struct pkt_attrib				*pattrib;
3245 	unsigned char 				*pframe;
3246 	struct ieee80211_hdr			*pwlanhdr;
3247 	__le16 *fctrl;
3248 	__le16 val16;
3249 	unsigned int					i, j, index = 0;
3250 	unsigned char bssrate[NumRates], sta_bssrate[NumRates];
3251 	struct ndis_80211_var_ie *pIE;
3252 	struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv);
3253 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
3254 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3255 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3256 	int	bssrate_len = 0, sta_bssrate_len = 0;
3257 	u8 vs_ie_length = 0;
3258 
3259 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3260 	if (pmgntframe == NULL)
3261 		goto exit;
3262 
3263 	/* update attribute */
3264 	pattrib = &pmgntframe->attrib;
3265 	update_mgntframe_attrib(padapter, pattrib);
3266 
3267 
3268 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3269 
3270 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3271 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3272 
3273 	fctrl = &(pwlanhdr->frame_control);
3274 	*(fctrl) = 0;
3275 	memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3276 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3277 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3278 
3279 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3280 	pmlmeext->mgnt_seq++;
3281 	SetFrameSubType(pframe, WIFI_ASSOCREQ);
3282 
3283 	pframe += sizeof(struct ieee80211_hdr_3addr);
3284 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
3285 
3286 	/* caps */
3287 	memcpy(pframe, rtw_get_capability_from_ie(pmlmeinfo->network.IEs), 2);
3288 
3289 	pframe += 2;
3290 	pattrib->pktlen += 2;
3291 
3292 	/* listen interval */
3293 	/* todo: listen interval for power saving */
3294 	val16 = cpu_to_le16(3);
3295 	memcpy(pframe, (unsigned char *)&val16, 2);
3296 	pframe += 2;
3297 	pattrib->pktlen += 2;
3298 
3299 	/* SSID */
3300 	pframe = rtw_set_ie(pframe, _SSID_IE_,  pmlmeinfo->network.Ssid.SsidLength, pmlmeinfo->network.Ssid.Ssid, &(pattrib->pktlen));
3301 
3302 	/* supported rate & extended supported rate */
3303 
3304 	/*  Check if the AP's supported rates are also supported by STA. */
3305 	get_rate_set(padapter, sta_bssrate, &sta_bssrate_len);
3306 	/* DBG_871X("sta_bssrate_len =%d\n", sta_bssrate_len); */
3307 
3308 	if (pmlmeext->cur_channel == 14) /*  for JAPAN, channel 14 can only uses B Mode(CCK) */
3309 		sta_bssrate_len = 4;
3310 
3311 
3312 	/* for (i = 0; i < sta_bssrate_len; i++) { */
3313 	/* 	DBG_871X("sta_bssrate[%d]=%02X\n", i, sta_bssrate[i]); */
3314 	/*  */
3315 
3316 	for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
3317 		if (pmlmeinfo->network.SupportedRates[i] == 0)
3318 			break;
3319 		DBG_871X("network.SupportedRates[%d]=%02X\n", i, pmlmeinfo->network.SupportedRates[i]);
3320 	}
3321 
3322 
3323 	for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
3324 		if (pmlmeinfo->network.SupportedRates[i] == 0)
3325 			break;
3326 
3327 
3328 		/*  Check if the AP's supported rates are also supported by STA. */
3329 		for (j = 0; j < sta_bssrate_len; j++) {
3330 			 /*  Avoid the proprietary data rate (22Mbps) of Handlink WSG-4000 AP */
3331 			if ((pmlmeinfo->network.SupportedRates[i]|IEEE80211_BASIC_RATE_MASK)
3332 					== (sta_bssrate[j]|IEEE80211_BASIC_RATE_MASK)) {
3333 				/* DBG_871X("match i = %d, j =%d\n", i, j); */
3334 				break;
3335 			} else {
3336 				/* DBG_871X("not match: %02X != %02X\n", (pmlmeinfo->network.SupportedRates[i]|IEEE80211_BASIC_RATE_MASK), (sta_bssrate[j]|IEEE80211_BASIC_RATE_MASK)); */
3337 			}
3338 		}
3339 
3340 		if (j == sta_bssrate_len) {
3341 			/*  the rate is not supported by STA */
3342 			DBG_871X("%s(): the rate[%d]=%02X is not supported by STA!\n", __func__, i, pmlmeinfo->network.SupportedRates[i]);
3343 		} else {
3344 			/*  the rate is supported by STA */
3345 			bssrate[index++] = pmlmeinfo->network.SupportedRates[i];
3346 		}
3347 	}
3348 
3349 	bssrate_len = index;
3350 	DBG_871X("bssrate_len = %d\n", bssrate_len);
3351 
3352 	if (bssrate_len == 0) {
3353 		rtw_free_xmitbuf(pxmitpriv, pmgntframe->pxmitbuf);
3354 		rtw_free_xmitframe(pxmitpriv, pmgntframe);
3355 		goto exit; /* don't connect to AP if no joint supported rate */
3356 	}
3357 
3358 
3359 	if (bssrate_len > 8) {
3360 		pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, 8, bssrate, &(pattrib->pktlen));
3361 		pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (bssrate_len - 8), (bssrate + 8), &(pattrib->pktlen));
3362 	} else
3363 		pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, bssrate_len, bssrate, &(pattrib->pktlen));
3364 
3365 	/* vendor specific IE, such as WPA, WMM, WPS */
3366 	for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) {
3367 		pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i);
3368 
3369 		switch (pIE->ElementID) {
3370 		case _VENDOR_SPECIFIC_IE_:
3371 			if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) ||
3372 					(!memcmp(pIE->data, WMM_OUI, 4)) ||
3373 					(!memcmp(pIE->data, WPS_OUI, 4))) {
3374 				vs_ie_length = pIE->Length;
3375 				if ((!padapter->registrypriv.wifi_spec) && (!memcmp(pIE->data, WPS_OUI, 4))) {
3376 					/* Commented by Kurt 20110629 */
3377 					/* In some older APs, WPS handshake */
3378 					/* would be fail if we append vender extensions informations to AP */
3379 
3380 					vs_ie_length = 14;
3381 				}
3382 
3383 				pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, vs_ie_length, pIE->data, &(pattrib->pktlen));
3384 			}
3385 			break;
3386 
3387 		case EID_WPA2:
3388 			pframe = rtw_set_ie(pframe, EID_WPA2, pIE->Length, pIE->data, &(pattrib->pktlen));
3389 			break;
3390 		case EID_HTCapability:
3391 			if (padapter->mlmepriv.htpriv.ht_option) {
3392 				if (!(is_ap_in_tkip(padapter))) {
3393 					memcpy(&(pmlmeinfo->HT_caps), pIE->data, sizeof(struct HT_caps_element));
3394 					pframe = rtw_set_ie(pframe, EID_HTCapability, pIE->Length, (u8 *)(&(pmlmeinfo->HT_caps)), &(pattrib->pktlen));
3395 				}
3396 			}
3397 			break;
3398 
3399 		case EID_EXTCapability:
3400 			if (padapter->mlmepriv.htpriv.ht_option)
3401 				pframe = rtw_set_ie(pframe, EID_EXTCapability, pIE->Length, pIE->data, &(pattrib->pktlen));
3402 			break;
3403 		default:
3404 			break;
3405 		}
3406 
3407 		i += (pIE->Length + 2);
3408 	}
3409 
3410 	if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_REALTEK)
3411 		pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, 6, REALTEK_96B_IE, &(pattrib->pktlen));
3412 
3413 
3414 	pattrib->last_txcmdsz = pattrib->pktlen;
3415 	dump_mgntframe(padapter, pmgntframe);
3416 
3417 	ret = _SUCCESS;
3418 
3419 exit:
3420 	if (ret == _SUCCESS)
3421 		rtw_buf_update(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len, (u8 *)pwlanhdr, pattrib->pktlen);
3422 	else
3423 		rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
3424 
3425 	return;
3426 }
3427 
3428 /* when wait_ack is ture, this function shoule be called at process context */
_issue_nulldata(struct adapter * padapter,unsigned char * da,unsigned int power_mode,bool wait_ack)3429 static int _issue_nulldata(struct adapter *padapter, unsigned char *da,
3430 			   unsigned int power_mode, bool wait_ack)
3431 {
3432 	int ret = _FAIL;
3433 	struct xmit_frame			*pmgntframe;
3434 	struct pkt_attrib			*pattrib;
3435 	unsigned char 				*pframe;
3436 	struct ieee80211_hdr	*pwlanhdr;
3437 	__le16 *fctrl;
3438 	struct xmit_priv *pxmitpriv;
3439 	struct mlme_ext_priv *pmlmeext;
3440 	struct mlme_ext_info *pmlmeinfo;
3441 
3442 	/* DBG_871X("%s:%d\n", __func__, power_mode); */
3443 
3444 	if (!padapter)
3445 		goto exit;
3446 
3447 	pxmitpriv = &(padapter->xmitpriv);
3448 	pmlmeext = &(padapter->mlmeextpriv);
3449 	pmlmeinfo = &(pmlmeext->mlmext_info);
3450 
3451 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3452 	if (pmgntframe == NULL)
3453 		goto exit;
3454 
3455 	/* update attribute */
3456 	pattrib = &pmgntframe->attrib;
3457 	update_mgntframe_attrib(padapter, pattrib);
3458 	pattrib->retry_ctrl = false;
3459 
3460 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3461 
3462 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3463 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3464 
3465 	fctrl = &(pwlanhdr->frame_control);
3466 	*(fctrl) = 0;
3467 
3468 	if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
3469 		SetFrDs(fctrl);
3470 	else if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE)
3471 		SetToDs(fctrl);
3472 
3473 	if (power_mode)
3474 		SetPwrMgt(fctrl);
3475 
3476 	memcpy(pwlanhdr->addr1, da, ETH_ALEN);
3477 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3478 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3479 
3480 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3481 	pmlmeext->mgnt_seq++;
3482 	SetFrameSubType(pframe, WIFI_DATA_NULL);
3483 
3484 	pframe += sizeof(struct ieee80211_hdr_3addr);
3485 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
3486 
3487 	pattrib->last_txcmdsz = pattrib->pktlen;
3488 
3489 	if (wait_ack) {
3490 		ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe);
3491 	} else{
3492 		dump_mgntframe(padapter, pmgntframe);
3493 		ret = _SUCCESS;
3494 	}
3495 
3496 exit:
3497 	return ret;
3498 }
3499 
3500 /*
3501  * [IMPORTANT] Don't call this function in interrupt context
3502  *
3503  * When wait_ms > 0, this function shoule be called at process context
3504  * da == NULL for station mode
3505  */
issue_nulldata(struct adapter * padapter,unsigned char * da,unsigned int power_mode,int try_cnt,int wait_ms)3506 int issue_nulldata(struct adapter *padapter, unsigned char *da, unsigned int power_mode, int try_cnt, int wait_ms)
3507 {
3508 	int ret;
3509 	int i = 0;
3510 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3511 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3512 	struct sta_info *psta;
3513 
3514 
3515 	/* da == NULL, assum it's null data for sta to ap*/
3516 	if (da == NULL)
3517 		da = get_my_bssid(&(pmlmeinfo->network));
3518 
3519 	psta = rtw_get_stainfo(&padapter->stapriv, da);
3520 	if (psta) {
3521 		if (power_mode)
3522 			rtw_hal_macid_sleep(padapter, psta->mac_id);
3523 		else
3524 			rtw_hal_macid_wakeup(padapter, psta->mac_id);
3525 	} else {
3526 		DBG_871X(FUNC_ADPT_FMT ": Can't find sta info for " MAC_FMT ", skip macid %s!!\n",
3527 			FUNC_ADPT_ARG(padapter), MAC_ARG(da), power_mode?"sleep":"wakeup");
3528 		rtw_warn_on(1);
3529 	}
3530 
3531 	do {
3532 		ret = _issue_nulldata(padapter, da, power_mode, wait_ms > 0?true:false);
3533 
3534 		i++;
3535 
3536 		if (padapter->bDriverStopped || padapter->bSurpriseRemoved)
3537 			break;
3538 
3539 		if (i < try_cnt && wait_ms > 0 && ret == _FAIL)
3540 			msleep(wait_ms);
3541 
3542 	} while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0)));
3543 
3544 	if (ret != _FAIL) {
3545 		ret = _SUCCESS;
3546 		#ifndef DBG_XMIT_ACK
3547 		goto exit;
3548 		#endif
3549 	}
3550 
3551 	if (try_cnt && wait_ms) {
3552 		if (da)
3553 			DBG_871X(FUNC_ADPT_FMT" to "MAC_FMT", ch:%u%s, %d/%d in %u ms\n",
3554 				FUNC_ADPT_ARG(padapter), MAC_ARG(da), rtw_get_oper_ch(padapter),
3555 				ret == _SUCCESS?", acked":"", i, try_cnt, (i + 1) * wait_ms);
3556 		else
3557 			DBG_871X(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n",
3558 				FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter),
3559 				ret == _SUCCESS?", acked":"", i, try_cnt, (i + 1) * wait_ms);
3560 	}
3561 exit:
3562 	return ret;
3563 }
3564 
3565 /*
3566  * [IMPORTANT] This function run in interrupt context
3567  *
3568  * The null data packet would be sent without power bit,
3569  * and not guarantee success.
3570  */
issue_nulldata_in_interrupt(struct adapter * padapter,u8 * da)3571 s32 issue_nulldata_in_interrupt(struct adapter *padapter, u8 *da)
3572 {
3573 	int ret;
3574 	struct mlme_ext_priv *pmlmeext;
3575 	struct mlme_ext_info *pmlmeinfo;
3576 
3577 
3578 	pmlmeext = &padapter->mlmeextpriv;
3579 	pmlmeinfo = &pmlmeext->mlmext_info;
3580 
3581 	/* da == NULL, assum it's null data for sta to ap*/
3582 	if (da == NULL)
3583 		da = get_my_bssid(&(pmlmeinfo->network));
3584 
3585 	ret = _issue_nulldata(padapter, da, 0, false);
3586 
3587 	return ret;
3588 }
3589 
3590 /* when wait_ack is ture, this function shoule be called at process context */
_issue_qos_nulldata(struct adapter * padapter,unsigned char * da,u16 tid,bool wait_ack)3591 static int _issue_qos_nulldata(struct adapter *padapter, unsigned char *da,
3592 			       u16 tid, bool wait_ack)
3593 {
3594 	int ret = _FAIL;
3595 	struct xmit_frame			*pmgntframe;
3596 	struct pkt_attrib			*pattrib;
3597 	unsigned char 				*pframe;
3598 	struct ieee80211_hdr	*pwlanhdr;
3599 	__le16 *fctrl;
3600 	u16 *qc;
3601 	struct xmit_priv 		*pxmitpriv = &(padapter->xmitpriv);
3602 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3603 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3604 
3605 	DBG_871X("%s\n", __func__);
3606 
3607 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3608 	if (pmgntframe == NULL)
3609 		goto exit;
3610 
3611 	/* update attribute */
3612 	pattrib = &pmgntframe->attrib;
3613 	update_mgntframe_attrib(padapter, pattrib);
3614 
3615 	pattrib->hdrlen += 2;
3616 	pattrib->qos_en = true;
3617 	pattrib->eosp = 1;
3618 	pattrib->ack_policy = 0;
3619 	pattrib->mdata = 0;
3620 
3621 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3622 
3623 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3624 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3625 
3626 	fctrl = &(pwlanhdr->frame_control);
3627 	*(fctrl) = 0;
3628 
3629 	if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
3630 		SetFrDs(fctrl);
3631 	else if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE)
3632 		SetToDs(fctrl);
3633 
3634 	if (pattrib->mdata)
3635 		SetMData(fctrl);
3636 
3637 	qc = (unsigned short *)(pframe + pattrib->hdrlen - 2);
3638 
3639 	SetPriority(qc, tid);
3640 
3641 	SetEOSP(qc, pattrib->eosp);
3642 
3643 	SetAckpolicy(qc, pattrib->ack_policy);
3644 
3645 	memcpy(pwlanhdr->addr1, da, ETH_ALEN);
3646 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3647 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3648 
3649 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3650 	pmlmeext->mgnt_seq++;
3651 	SetFrameSubType(pframe, WIFI_QOS_DATA_NULL);
3652 
3653 	pframe += sizeof(struct ieee80211_qos_hdr);
3654 	pattrib->pktlen = sizeof(struct ieee80211_qos_hdr);
3655 
3656 	pattrib->last_txcmdsz = pattrib->pktlen;
3657 
3658 	if (wait_ack) {
3659 		ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe);
3660 	} else{
3661 		dump_mgntframe(padapter, pmgntframe);
3662 		ret = _SUCCESS;
3663 	}
3664 
3665 exit:
3666 	return ret;
3667 }
3668 
3669 /* when wait_ms >0 , this function shoule be called at process context */
3670 /* da == NULL for station mode */
issue_qos_nulldata(struct adapter * padapter,unsigned char * da,u16 tid,int try_cnt,int wait_ms)3671 int issue_qos_nulldata(struct adapter *padapter, unsigned char *da, u16 tid, int try_cnt, int wait_ms)
3672 {
3673 	int ret;
3674 	int i = 0;
3675 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3676 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3677 
3678 	/* da == NULL, assum it's null data for sta to ap*/
3679 	if (da == NULL)
3680 		da = get_my_bssid(&(pmlmeinfo->network));
3681 
3682 	do {
3683 		ret = _issue_qos_nulldata(padapter, da, tid, wait_ms > 0?true:false);
3684 
3685 		i++;
3686 
3687 		if (padapter->bDriverStopped || padapter->bSurpriseRemoved)
3688 			break;
3689 
3690 		if (i < try_cnt && wait_ms > 0 && ret == _FAIL)
3691 			msleep(wait_ms);
3692 
3693 	} while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0)));
3694 
3695 	if (ret != _FAIL) {
3696 		ret = _SUCCESS;
3697 		#ifndef DBG_XMIT_ACK
3698 		goto exit;
3699 		#endif
3700 	}
3701 
3702 	if (try_cnt && wait_ms) {
3703 		if (da)
3704 			DBG_871X(FUNC_ADPT_FMT" to "MAC_FMT", ch:%u%s, %d/%d in %u ms\n",
3705 				FUNC_ADPT_ARG(padapter), MAC_ARG(da), rtw_get_oper_ch(padapter),
3706 				ret == _SUCCESS?", acked":"", i, try_cnt, (i + 1) * wait_ms);
3707 		else
3708 			DBG_871X(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n",
3709 				FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter),
3710 				ret == _SUCCESS?", acked":"", i, try_cnt, (i + 1) * wait_ms);
3711 	}
3712 exit:
3713 	return ret;
3714 }
3715 
_issue_deauth(struct adapter * padapter,unsigned char * da,unsigned short reason,bool wait_ack)3716 static int _issue_deauth(struct adapter *padapter, unsigned char *da,
3717 			 unsigned short reason, bool wait_ack)
3718 {
3719 	struct xmit_frame			*pmgntframe;
3720 	struct pkt_attrib			*pattrib;
3721 	unsigned char 				*pframe;
3722 	struct ieee80211_hdr	*pwlanhdr;
3723 	__le16 *fctrl;
3724 	struct xmit_priv 		*pxmitpriv = &(padapter->xmitpriv);
3725 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3726 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3727 	int ret = _FAIL;
3728 	__le16 le_tmp;
3729 
3730 	/* DBG_871X("%s to "MAC_FMT"\n", __func__, MAC_ARG(da)); */
3731 
3732 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3733 	if (pmgntframe == NULL) {
3734 		goto exit;
3735 	}
3736 
3737 	/* update attribute */
3738 	pattrib = &pmgntframe->attrib;
3739 	update_mgntframe_attrib(padapter, pattrib);
3740 	pattrib->retry_ctrl = false;
3741 
3742 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3743 
3744 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3745 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3746 
3747 	fctrl = &(pwlanhdr->frame_control);
3748 	*(fctrl) = 0;
3749 
3750 	memcpy(pwlanhdr->addr1, da, ETH_ALEN);
3751 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3752 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3753 
3754 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3755 	pmlmeext->mgnt_seq++;
3756 	SetFrameSubType(pframe, WIFI_DEAUTH);
3757 
3758 	pframe += sizeof(struct ieee80211_hdr_3addr);
3759 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
3760 
3761 	le_tmp = cpu_to_le16(reason);
3762 	pframe = rtw_set_fixed_ie(pframe, _RSON_CODE_, (unsigned char *)&le_tmp, &(pattrib->pktlen));
3763 
3764 	pattrib->last_txcmdsz = pattrib->pktlen;
3765 
3766 
3767 	if (wait_ack) {
3768 		ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe);
3769 	} else{
3770 		dump_mgntframe(padapter, pmgntframe);
3771 		ret = _SUCCESS;
3772 	}
3773 
3774 exit:
3775 	return ret;
3776 }
3777 
issue_deauth(struct adapter * padapter,unsigned char * da,unsigned short reason)3778 int issue_deauth(struct adapter *padapter, unsigned char *da, unsigned short reason)
3779 {
3780 	DBG_871X("%s to "MAC_FMT"\n", __func__, MAC_ARG(da));
3781 	return _issue_deauth(padapter, da, reason, false);
3782 }
3783 
issue_deauth_ex(struct adapter * padapter,u8 * da,unsigned short reason,int try_cnt,int wait_ms)3784 int issue_deauth_ex(struct adapter *padapter, u8 *da, unsigned short reason, int try_cnt,
3785 	int wait_ms)
3786 {
3787 	int ret;
3788 	int i = 0;
3789 
3790 	do {
3791 		ret = _issue_deauth(padapter, da, reason, wait_ms > 0?true:false);
3792 
3793 		i++;
3794 
3795 		if (padapter->bDriverStopped || padapter->bSurpriseRemoved)
3796 			break;
3797 
3798 		if (i < try_cnt && wait_ms > 0 && ret == _FAIL)
3799 			msleep(wait_ms);
3800 
3801 	} while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0)));
3802 
3803 	if (ret != _FAIL) {
3804 		ret = _SUCCESS;
3805 		#ifndef DBG_XMIT_ACK
3806 		goto exit;
3807 		#endif
3808 	}
3809 
3810 	if (try_cnt && wait_ms) {
3811 		if (da)
3812 			DBG_871X(FUNC_ADPT_FMT" to "MAC_FMT", ch:%u%s, %d/%d in %u ms\n",
3813 				FUNC_ADPT_ARG(padapter), MAC_ARG(da), rtw_get_oper_ch(padapter),
3814 				ret == _SUCCESS?", acked":"", i, try_cnt, (i + 1) * wait_ms);
3815 		else
3816 			DBG_871X(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n",
3817 				FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter),
3818 				ret == _SUCCESS?", acked":"", i, try_cnt, (i + 1) * wait_ms);
3819 	}
3820 exit:
3821 	return ret;
3822 }
3823 
issue_action_SA_Query(struct adapter * padapter,unsigned char * raddr,unsigned char action,unsigned short tid)3824 void issue_action_SA_Query(struct adapter *padapter, unsigned char *raddr, unsigned char action, unsigned short tid)
3825 {
3826 	u8 category = RTW_WLAN_CATEGORY_SA_QUERY;
3827 	struct xmit_frame		*pmgntframe;
3828 	struct pkt_attrib		*pattrib;
3829 	u8 			*pframe;
3830 	struct ieee80211_hdr	*pwlanhdr;
3831 	__le16 *fctrl;
3832 	struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv);
3833 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3834 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3835 	__le16 le_tmp;
3836 
3837 	DBG_871X("%s\n", __func__);
3838 
3839 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3840 	if (pmgntframe == NULL) {
3841 		DBG_871X("%s: alloc_mgtxmitframe fail\n", __func__);
3842 		return;
3843 	}
3844 
3845 	/* update attribute */
3846 	pattrib = &pmgntframe->attrib;
3847 	update_mgntframe_attrib(padapter, pattrib);
3848 
3849 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3850 
3851 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3852 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3853 
3854 	fctrl = &(pwlanhdr->frame_control);
3855 	*(fctrl) = 0;
3856 
3857 	if (raddr)
3858 		memcpy(pwlanhdr->addr1, raddr, ETH_ALEN);
3859 	else
3860 		memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3861 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3862 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3863 
3864 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3865 	pmlmeext->mgnt_seq++;
3866 	SetFrameSubType(pframe, WIFI_ACTION);
3867 
3868 	pframe += sizeof(struct ieee80211_hdr_3addr);
3869 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
3870 
3871 	pframe = rtw_set_fixed_ie(pframe, 1, &category, &pattrib->pktlen);
3872 	pframe = rtw_set_fixed_ie(pframe, 1, &action, &pattrib->pktlen);
3873 
3874 	switch (action) {
3875 	case 0: /* SA Query req */
3876 		pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)&pmlmeext->sa_query_seq, &pattrib->pktlen);
3877 		pmlmeext->sa_query_seq++;
3878 		/* send sa query request to AP, AP should reply sa query response in 1 second */
3879 		set_sa_query_timer(pmlmeext, 1000);
3880 		break;
3881 
3882 	case 1: /* SA Query rsp */
3883 		le_tmp = cpu_to_le16(tid);
3884 		pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)&le_tmp, &pattrib->pktlen);
3885 		break;
3886 	default:
3887 		break;
3888 	}
3889 
3890 	pattrib->last_txcmdsz = pattrib->pktlen;
3891 
3892 	dump_mgntframe(padapter, pmgntframe);
3893 }
3894 
issue_action_BA(struct adapter * padapter,unsigned char * raddr,unsigned char action,unsigned short status)3895 void issue_action_BA(struct adapter *padapter, unsigned char *raddr, unsigned char action, unsigned short status)
3896 {
3897 	u8 category = RTW_WLAN_CATEGORY_BACK;
3898 	u16 start_seq;
3899 	u16 BA_para_set;
3900 	u16 reason_code;
3901 	u16 BA_timeout_value;
3902 	u16 BA_starting_seqctrl = 0;
3903 	enum HT_CAP_AMPDU_FACTOR max_rx_ampdu_factor;
3904 	struct xmit_frame		*pmgntframe;
3905 	struct pkt_attrib		*pattrib;
3906 	u8 			*pframe;
3907 	struct ieee80211_hdr	*pwlanhdr;
3908 	__le16 *fctrl;
3909 	struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv);
3910 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
3911 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
3912 	struct sta_info 	*psta;
3913 	struct sta_priv 	*pstapriv = &padapter->stapriv;
3914 	struct registry_priv 	*pregpriv = &padapter->registrypriv;
3915 	__le16 le_tmp;
3916 
3917 	DBG_871X("%s, category =%d, action =%d, status =%d\n", __func__, category, action, status);
3918 
3919 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
3920 	if (pmgntframe == NULL)
3921 		return;
3922 
3923 	/* update attribute */
3924 	pattrib = &pmgntframe->attrib;
3925 	update_mgntframe_attrib(padapter, pattrib);
3926 
3927 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3928 
3929 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3930 	pwlanhdr = (struct ieee80211_hdr *)pframe;
3931 
3932 	fctrl = &(pwlanhdr->frame_control);
3933 	*(fctrl) = 0;
3934 
3935 	/* memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); */
3936 	memcpy(pwlanhdr->addr1, raddr, ETH_ALEN);
3937 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
3938 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
3939 
3940 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
3941 	pmlmeext->mgnt_seq++;
3942 	SetFrameSubType(pframe, WIFI_ACTION);
3943 
3944 	pframe += sizeof(struct ieee80211_hdr_3addr);
3945 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
3946 
3947 	pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen));
3948 	pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen));
3949 
3950 	if (category == 3) {
3951 		switch (action) {
3952 		case 0: /* ADDBA req */
3953 			do {
3954 				pmlmeinfo->dialogToken++;
3955 			} while (pmlmeinfo->dialogToken == 0);
3956 			pframe = rtw_set_fixed_ie(pframe, 1, &(pmlmeinfo->dialogToken), &(pattrib->pktlen));
3957 
3958 			if (rtw_btcoex_IsBTCoexCtrlAMPDUSize(padapter)) {
3959 				/*  A-MSDU NOT Supported */
3960 				BA_para_set = 0;
3961 				/*  immediate Block Ack */
3962 				BA_para_set |= (1 << 1) & IEEE80211_ADDBA_PARAM_POLICY_MASK;
3963 				/*  TID */
3964 				BA_para_set |= (status << 2) & IEEE80211_ADDBA_PARAM_TID_MASK;
3965 				/*  max buffer size is 8 MSDU */
3966 				BA_para_set |= (8 << 6) & RTW_IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK;
3967 			} else {
3968 				BA_para_set = (0x1002 | ((status & 0xf) << 2)); /* immediate ack & 64 buffer size */
3969 			}
3970 			le_tmp = cpu_to_le16(BA_para_set);
3971 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
3972 
3973 			BA_timeout_value = 5000;/*  5ms */
3974 			le_tmp = cpu_to_le16(BA_timeout_value);
3975 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
3976 
3977 			/* if ((psta = rtw_get_stainfo(pstapriv, pmlmeinfo->network.MacAddress)) != NULL) */
3978 			psta = rtw_get_stainfo(pstapriv, raddr);
3979 			if (psta != NULL) {
3980 				start_seq = (psta->sta_xmitpriv.txseq_tid[status & 0x07]&0xfff) + 1;
3981 
3982 				DBG_871X("BA_starting_seqctrl = %d for TID =%d\n", start_seq, status & 0x07);
3983 
3984 				psta->BA_starting_seqctrl[status & 0x07] = start_seq;
3985 
3986 				BA_starting_seqctrl = start_seq << 4;
3987 			}
3988 
3989 			le_tmp = cpu_to_le16(BA_starting_seqctrl);
3990 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
3991 			break;
3992 
3993 		case 1: /* ADDBA rsp */
3994 			pframe = rtw_set_fixed_ie(pframe, 1, &(pmlmeinfo->ADDBA_req.dialog_token), &(pattrib->pktlen));
3995 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&status), &(pattrib->pktlen));
3996 			if (padapter->driver_rx_ampdu_factor != 0xFF)
3997 				max_rx_ampdu_factor =
3998 				  (enum HT_CAP_AMPDU_FACTOR)padapter->driver_rx_ampdu_factor;
3999 			else
4000 				rtw_hal_get_def_var(padapter,
4001 						    HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor);
4002 
4003 			if (MAX_AMPDU_FACTOR_64K == max_rx_ampdu_factor)
4004 				BA_para_set = ((le16_to_cpu(pmlmeinfo->ADDBA_req.BA_para_set) & 0x3f) | 0x1000); /* 64 buffer size */
4005 			else if (MAX_AMPDU_FACTOR_32K == max_rx_ampdu_factor)
4006 				BA_para_set = ((le16_to_cpu(pmlmeinfo->ADDBA_req.BA_para_set) & 0x3f) | 0x0800); /* 32 buffer size */
4007 			else if (MAX_AMPDU_FACTOR_16K == max_rx_ampdu_factor)
4008 				BA_para_set = ((le16_to_cpu(pmlmeinfo->ADDBA_req.BA_para_set) & 0x3f) | 0x0400); /* 16 buffer size */
4009 			else if (MAX_AMPDU_FACTOR_8K == max_rx_ampdu_factor)
4010 				BA_para_set = ((le16_to_cpu(pmlmeinfo->ADDBA_req.BA_para_set) & 0x3f) | 0x0200); /* 8 buffer size */
4011 			else
4012 				BA_para_set = ((le16_to_cpu(pmlmeinfo->ADDBA_req.BA_para_set) & 0x3f) | 0x1000); /* 64 buffer size */
4013 
4014 			if (rtw_btcoex_IsBTCoexCtrlAMPDUSize(padapter) &&
4015 			    padapter->driver_rx_ampdu_factor == 0xFF) {
4016 				/*  max buffer size is 8 MSDU */
4017 				BA_para_set &= ~RTW_IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK;
4018 				BA_para_set |= (8 << 6) & RTW_IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK;
4019 			}
4020 
4021 			if (pregpriv->ampdu_amsdu == 0)/* disabled */
4022 				le_tmp = cpu_to_le16(BA_para_set & ~BIT(0));
4023 			else if (pregpriv->ampdu_amsdu == 1)/* enabled */
4024 				le_tmp = cpu_to_le16(BA_para_set | BIT(0));
4025 			else /* auto */
4026 				le_tmp = cpu_to_le16(BA_para_set);
4027 
4028 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
4029 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(pmlmeinfo->ADDBA_req.BA_timeout_value)), &(pattrib->pktlen));
4030 			break;
4031 		case 2:/* DELBA */
4032 			BA_para_set = (status & 0x1F) << 3;
4033 			le_tmp = cpu_to_le16(BA_para_set);
4034 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
4035 
4036 			reason_code = 37;
4037 			le_tmp = cpu_to_le16(reason_code);
4038 			pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen));
4039 			break;
4040 		default:
4041 			break;
4042 		}
4043 	}
4044 
4045 	pattrib->last_txcmdsz = pattrib->pktlen;
4046 
4047 	dump_mgntframe(padapter, pmgntframe);
4048 }
4049 
issue_action_BSSCoexistPacket(struct adapter * padapter)4050 static void issue_action_BSSCoexistPacket(struct adapter *padapter)
4051 {
4052 	struct list_head		*plist, *phead;
4053 	unsigned char category, action;
4054 	struct xmit_frame			*pmgntframe;
4055 	struct pkt_attrib			*pattrib;
4056 	unsigned char 			*pframe;
4057 	struct ieee80211_hdr	*pwlanhdr;
4058 	__le16 *fctrl;
4059 	struct	wlan_network	*pnetwork = NULL;
4060 	struct xmit_priv 		*pxmitpriv = &(padapter->xmitpriv);
4061 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
4062 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
4063 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4064 	struct __queue		*queue	= &(pmlmepriv->scanned_queue);
4065 	u8 InfoContent[16] = {0};
4066 	u8 ICS[8][15];
4067 
4068 	if ((pmlmepriv->num_FortyMHzIntolerant == 0) || (pmlmepriv->num_sta_no_ht == 0))
4069 		return;
4070 
4071 	if (true == pmlmeinfo->bwmode_updated)
4072 		return;
4073 
4074 
4075 	DBG_871X("%s\n", __func__);
4076 
4077 
4078 	category = RTW_WLAN_CATEGORY_PUBLIC;
4079 	action = ACT_PUBLIC_BSSCOEXIST;
4080 
4081 	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
4082 	if (pmgntframe == NULL) {
4083 		return;
4084 	}
4085 
4086 	/* update attribute */
4087 	pattrib = &pmgntframe->attrib;
4088 	update_mgntframe_attrib(padapter, pattrib);
4089 
4090 	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
4091 
4092 	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
4093 	pwlanhdr = (struct ieee80211_hdr *)pframe;
4094 
4095 	fctrl = &(pwlanhdr->frame_control);
4096 	*(fctrl) = 0;
4097 
4098 	memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
4099 	memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN);
4100 	memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN);
4101 
4102 	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
4103 	pmlmeext->mgnt_seq++;
4104 	SetFrameSubType(pframe, WIFI_ACTION);
4105 
4106 	pframe += sizeof(struct ieee80211_hdr_3addr);
4107 	pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr);
4108 
4109 	pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen));
4110 	pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen));
4111 
4112 
4113 	/*  */
4114 	if (pmlmepriv->num_FortyMHzIntolerant > 0) {
4115 		u8 iedata = 0;
4116 
4117 		iedata |= BIT(2);/* 20 MHz BSS Width Request */
4118 
4119 		pframe = rtw_set_ie(pframe, EID_BSSCoexistence,  1, &iedata, &(pattrib->pktlen));
4120 
4121 	}
4122 
4123 
4124 	/*  */
4125 	memset(ICS, 0, sizeof(ICS));
4126 	if (pmlmepriv->num_sta_no_ht > 0) {
4127 		int i;
4128 
4129 		spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
4130 
4131 		phead = get_list_head(queue);
4132 		plist = get_next(phead);
4133 
4134 		while (1) {
4135 			int len;
4136 			u8 *p;
4137 			struct wlan_bssid_ex *pbss_network;
4138 
4139 			if (phead == plist)
4140 				break;
4141 
4142 			pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
4143 
4144 			plist = get_next(plist);
4145 
4146 			pbss_network = (struct wlan_bssid_ex *)&pnetwork->network;
4147 
4148 			p = rtw_get_ie(pbss_network->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, pbss_network->IELength - _FIXED_IE_LENGTH_);
4149 			if ((p == NULL) || (len == 0)) {/* non-HT */
4150 
4151 				if ((pbss_network->Configuration.DSConfig <= 0) || (pbss_network->Configuration.DSConfig > 14))
4152 					continue;
4153 
4154 				ICS[0][pbss_network->Configuration.DSConfig] = 1;
4155 
4156 				if (ICS[0][0] == 0)
4157 					ICS[0][0] = 1;
4158 			}
4159 
4160 		}
4161 
4162 		spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
4163 
4164 
4165 		for (i = 0; i < 8; i++) {
4166 			if (ICS[i][0] == 1) {
4167 				int j, k = 0;
4168 
4169 				InfoContent[k] = i;
4170 				/* SET_BSS_INTOLERANT_ELE_REG_CLASS(InfoContent, i); */
4171 				k++;
4172 
4173 				for (j = 1; j <= 14; j++) {
4174 					if (ICS[i][j] == 1) {
4175 						if (k < 16) {
4176 							InfoContent[k] = j; /* channel number */
4177 							/* SET_BSS_INTOLERANT_ELE_CHANNEL(InfoContent+k, j); */
4178 							k++;
4179 						}
4180 					}
4181 				}
4182 
4183 				pframe = rtw_set_ie(pframe, EID_BSSIntolerantChlReport, k, InfoContent, &(pattrib->pktlen));
4184 
4185 			}
4186 
4187 		}
4188 
4189 
4190 	}
4191 
4192 
4193 	pattrib->last_txcmdsz = pattrib->pktlen;
4194 
4195 	dump_mgntframe(padapter, pmgntframe);
4196 }
4197 
send_delba(struct adapter * padapter,u8 initiator,u8 * addr)4198 unsigned int send_delba(struct adapter *padapter, u8 initiator, u8 *addr)
4199 {
4200 	struct sta_priv *pstapriv = &padapter->stapriv;
4201 	struct sta_info *psta = NULL;
4202 	/* struct recv_reorder_ctrl *preorder_ctrl; */
4203 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4204 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4205 	u16 tid;
4206 
4207 	if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
4208 		if (!(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS))
4209 			return _SUCCESS;
4210 
4211 	psta = rtw_get_stainfo(pstapriv, addr);
4212 	if (psta == NULL)
4213 		return _SUCCESS;
4214 
4215 	/* DBG_871X("%s:%s\n", __func__, (initiator == 0)?"RX_DIR":"TX_DIR"); */
4216 
4217 	if (initiator == 0) {/*  recipient */
4218 		for (tid = 0; tid < MAXTID; tid++) {
4219 			if (psta->recvreorder_ctrl[tid].enable) {
4220 				DBG_871X("rx agg disable tid(%d)\n", tid);
4221 				issue_action_BA(padapter, addr, RTW_WLAN_ACTION_DELBA, (((tid << 1) | initiator)&0x1F));
4222 				psta->recvreorder_ctrl[tid].enable = false;
4223 				psta->recvreorder_ctrl[tid].indicate_seq = 0xffff;
4224 				#ifdef DBG_RX_SEQ
4225 				DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
4226 					psta->recvreorder_ctrl[tid].indicate_seq);
4227 				#endif
4228 			}
4229 		}
4230 	} else if (initiator == 1) {/*  originator */
4231 		/* DBG_871X("tx agg_enable_bitmap(0x%08x)\n", psta->htpriv.agg_enable_bitmap); */
4232 		for (tid = 0; tid < MAXTID; tid++) {
4233 			if (psta->htpriv.agg_enable_bitmap & BIT(tid)) {
4234 				DBG_871X("tx agg disable tid(%d)\n", tid);
4235 				issue_action_BA(padapter, addr, RTW_WLAN_ACTION_DELBA, (((tid << 1) | initiator)&0x1F));
4236 				psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
4237 				psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
4238 
4239 			}
4240 		}
4241 	}
4242 
4243 	return _SUCCESS;
4244 
4245 }
4246 
send_beacon(struct adapter * padapter)4247 unsigned int send_beacon(struct adapter *padapter)
4248 {
4249 	u8 bxmitok = false;
4250 	int	issue = 0;
4251 	int poll = 0;
4252 	unsigned long start = jiffies;
4253 
4254 	rtw_hal_set_hwreg(padapter, HW_VAR_BCN_VALID, NULL);
4255 	rtw_hal_set_hwreg(padapter, HW_VAR_DL_BCN_SEL, NULL);
4256 	do {
4257 		issue_beacon(padapter, 100);
4258 		issue++;
4259 		do {
4260 			cond_resched();
4261 			rtw_hal_get_hwreg(padapter, HW_VAR_BCN_VALID, (u8 *)(&bxmitok));
4262 			poll++;
4263 		} while ((poll%10) != 0 && false == bxmitok && !padapter->bSurpriseRemoved && !padapter->bDriverStopped);
4264 
4265 	} while (false == bxmitok && issue < 100 && !padapter->bSurpriseRemoved && !padapter->bDriverStopped);
4266 
4267 	if (padapter->bSurpriseRemoved || padapter->bDriverStopped) {
4268 		return _FAIL;
4269 	}
4270 
4271 
4272 	if (false == bxmitok) {
4273 		DBG_871X("%s fail! %u ms\n", __func__, jiffies_to_msecs(jiffies - start));
4274 		return _FAIL;
4275 	} else{
4276 		unsigned long passing_time = jiffies_to_msecs(jiffies - start);
4277 
4278 		if (passing_time > 100 || issue > 3)
4279 			DBG_871X("%s success, issue:%d, poll:%d, %lu ms\n", __func__, issue, poll, passing_time);
4280 		/* else */
4281 		/* 	DBG_871X("%s success, issue:%d, poll:%d, %u ms\n", __func__, issue, poll, passing_time); */
4282 
4283 		return _SUCCESS;
4284 	}
4285 }
4286 
4287 /****************************************************************************
4288 
4289 Following are some utitity fuctions for WiFi MLME
4290 
4291 *****************************************************************************/
4292 
site_survey(struct adapter * padapter)4293 void site_survey(struct adapter *padapter)
4294 {
4295 	unsigned char 	survey_channel = 0, val8;
4296 	RT_SCAN_TYPE	ScanType = SCAN_PASSIVE;
4297 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4298 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4299 	u32 initialgain = 0;
4300 	u32 channel_scan_time_ms = 0;
4301 
4302 	{
4303 		struct rtw_ieee80211_channel *ch;
4304 		if (pmlmeext->sitesurvey_res.channel_idx < pmlmeext->sitesurvey_res.ch_num) {
4305 			ch = &pmlmeext->sitesurvey_res.ch[pmlmeext->sitesurvey_res.channel_idx];
4306 			survey_channel = ch->hw_value;
4307 			ScanType = (ch->flags & RTW_IEEE80211_CHAN_PASSIVE_SCAN) ? SCAN_PASSIVE : SCAN_ACTIVE;
4308 		}
4309 	}
4310 
4311 	DBG_871X(FUNC_ADPT_FMT" ch:%u (cnt:%u) at %dms, %c%c%c\n"
4312 		 , FUNC_ADPT_ARG(padapter)
4313 		 , survey_channel
4314 		 , pmlmeext->sitesurvey_res.channel_idx
4315 		 , jiffies_to_msecs(jiffies - padapter->mlmepriv.scan_start_time)
4316 		 , ScanType?'A':'P', pmlmeext->sitesurvey_res.scan_mode?'A':'P'
4317 		 , pmlmeext->sitesurvey_res.ssid[0].SsidLength?'S':' '
4318 		);
4319 #ifdef DBG_FIXED_CHAN
4320 	DBG_871X(FUNC_ADPT_FMT" fixed_chan:%u\n", pmlmeext->fixed_chan);
4321 #endif
4322 
4323 	if (survey_channel != 0) {
4324 		/* PAUSE 4-AC Queue when site_survey */
4325 		/* rtw_hal_get_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */
4326 		/* val8 |= 0x0f; */
4327 		/* rtw_hal_set_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */
4328 		if (pmlmeext->sitesurvey_res.channel_idx == 0) {
4329 #ifdef DBG_FIXED_CHAN
4330 			if (pmlmeext->fixed_chan != 0xff)
4331 				set_channel_bwmode(padapter, pmlmeext->fixed_chan, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
4332 			else
4333 #endif
4334 				set_channel_bwmode(padapter, survey_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
4335 		} else{
4336 #ifdef DBG_FIXED_CHAN
4337 			if (pmlmeext->fixed_chan != 0xff)
4338 				SelectChannel(padapter, pmlmeext->fixed_chan);
4339 			else
4340 #endif
4341 				SelectChannel(padapter, survey_channel);
4342 		}
4343 
4344 		if (ScanType == SCAN_ACTIVE) { /* obey the channel plan setting... */
4345 			{
4346 				int i;
4347 				for (i = 0; i < RTW_SSID_SCAN_AMOUNT; i++) {
4348 					if (pmlmeext->sitesurvey_res.ssid[i].SsidLength) {
4349 						/* IOT issue, When wifi_spec is not set, send one probe req without WPS IE. */
4350 						if (padapter->registrypriv.wifi_spec)
4351 							issue_probereq(padapter, &(pmlmeext->sitesurvey_res.ssid[i]), NULL);
4352 						else
4353 							issue_probereq_ex(padapter, &(pmlmeext->sitesurvey_res.ssid[i]), NULL, 0, 0, 0, 0);
4354 						issue_probereq(padapter, &(pmlmeext->sitesurvey_res.ssid[i]), NULL);
4355 					}
4356 				}
4357 
4358 				if (pmlmeext->sitesurvey_res.scan_mode == SCAN_ACTIVE) {
4359 					/* IOT issue, When wifi_spec is not set, send one probe req without WPS IE. */
4360 					if (padapter->registrypriv.wifi_spec)
4361 						issue_probereq(padapter, NULL, NULL);
4362 					else
4363 						issue_probereq_ex(padapter, NULL, NULL, 0, 0, 0, 0);
4364 					issue_probereq(padapter, NULL, NULL);
4365 				}
4366 			}
4367 		}
4368 
4369 		channel_scan_time_ms = pmlmeext->chan_scan_time;
4370 
4371 		set_survey_timer(pmlmeext, channel_scan_time_ms);
4372 #if defined(CONFIG_SIGNAL_DISPLAY_DBM) && defined(CONFIG_BACKGROUND_NOISE_MONITOR)
4373 		{
4374 			struct noise_info info;
4375 			info.bPauseDIG = false;
4376 			info.IGIValue = 0;
4377 			info.max_time = channel_scan_time_ms/2;/* ms */
4378 			info.chan = survey_channel;
4379 			rtw_hal_set_odm_var(padapter, HAL_ODM_NOISE_MONITOR, &info, false);
4380 		}
4381 #endif
4382 
4383 	} else{
4384 
4385 		/* 	channel number is 0 or this channel is not valid. */
4386 
4387 		{
4388 			pmlmeext->sitesurvey_res.state = SCAN_COMPLETE;
4389 
4390 			/* switch back to the original channel */
4391 			/* SelectChannel(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset); */
4392 
4393 			set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
4394 
4395 			/* flush 4-AC Queue after site_survey */
4396 			/* val8 = 0; */
4397 			/* rtw_hal_set_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */
4398 
4399 			/* config MSR */
4400 			Set_MSR(padapter, (pmlmeinfo->state & 0x3));
4401 
4402 			initialgain = 0xff; /* restore RX GAIN */
4403 			rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain));
4404 			/* turn on dynamic functions */
4405 			Restore_DM_Func_Flag(padapter);
4406 			/* Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true); */
4407 
4408 			if (is_client_associated_to_ap(padapter))
4409 				issue_nulldata(padapter, NULL, 0, 3, 500);
4410 
4411 			val8 = 0; /* survey done */
4412 			rtw_hal_set_hwreg(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
4413 
4414 			report_surveydone_event(padapter);
4415 
4416 			pmlmeext->chan_scan_time = SURVEY_TO;
4417 			pmlmeext->sitesurvey_res.state = SCAN_DISABLE;
4418 
4419 			issue_action_BSSCoexistPacket(padapter);
4420 			issue_action_BSSCoexistPacket(padapter);
4421 			issue_action_BSSCoexistPacket(padapter);
4422 		}
4423 	}
4424 
4425 	return;
4426 
4427 }
4428 
4429 /* 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)4430 u8 collect_bss_info(struct adapter *padapter, union recv_frame *precv_frame, struct wlan_bssid_ex *bssid)
4431 {
4432 	int	i;
4433 	u32 len;
4434 	u8 *p;
4435 	u16 val16, subtype;
4436 	u8 *pframe = precv_frame->u.hdr.rx_data;
4437 	u32 packet_len = precv_frame->u.hdr.len;
4438 	u8 ie_offset;
4439 	struct registry_priv *pregistrypriv = &padapter->registrypriv;
4440 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4441 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4442 	__le32 le32_tmp;
4443 
4444 	len = packet_len - sizeof(struct ieee80211_hdr_3addr);
4445 
4446 	if (len > MAX_IE_SZ) {
4447 		/* DBG_871X("IE too long for survey event\n"); */
4448 		return _FAIL;
4449 	}
4450 
4451 	memset(bssid, 0, sizeof(struct wlan_bssid_ex));
4452 
4453 	subtype = GetFrameSubType(pframe);
4454 
4455 	if (subtype == WIFI_BEACON) {
4456 		bssid->Reserved[0] = 1;
4457 		ie_offset = _BEACON_IE_OFFSET_;
4458 	} else {
4459 		/*  FIXME : more type */
4460 		if (subtype == WIFI_PROBERSP) {
4461 			ie_offset = _PROBERSP_IE_OFFSET_;
4462 			bssid->Reserved[0] = 3;
4463 		} else if (subtype == WIFI_PROBEREQ) {
4464 			ie_offset = _PROBEREQ_IE_OFFSET_;
4465 			bssid->Reserved[0] = 2;
4466 		} else {
4467 			bssid->Reserved[0] = 0;
4468 			ie_offset = _FIXED_IE_LENGTH_;
4469 		}
4470 	}
4471 
4472 	bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
4473 
4474 	/* below is to copy the information element */
4475 	bssid->IELength = len;
4476 	memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength);
4477 
4478 	/* get the signal strength */
4479 	bssid->Rssi = precv_frame->u.hdr.attrib.phy_info.RecvSignalPower; /*  in dBM.raw data */
4480 	bssid->PhyInfo.SignalQuality = precv_frame->u.hdr.attrib.phy_info.SignalQuality;/* in percentage */
4481 	bssid->PhyInfo.SignalStrength = precv_frame->u.hdr.attrib.phy_info.SignalStrength;/* in percentage */
4482 
4483 	/*  checking SSID */
4484 	p = rtw_get_ie(bssid->IEs + ie_offset, _SSID_IE_, &len, bssid->IELength - ie_offset);
4485 	if (p == NULL) {
4486 		DBG_871X("marc: cannot find SSID for survey event\n");
4487 		return _FAIL;
4488 	}
4489 
4490 	if (*(p + 1)) {
4491 		if (len > NDIS_802_11_LENGTH_SSID) {
4492 			DBG_871X("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len);
4493 			return _FAIL;
4494 		}
4495 		memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
4496 		bssid->Ssid.SsidLength = *(p + 1);
4497 	} else
4498 		bssid->Ssid.SsidLength = 0;
4499 
4500 	memset(bssid->SupportedRates, 0, NDIS_802_11_LENGTH_RATES_EX);
4501 
4502 	/* checking rate info... */
4503 	i = 0;
4504 	p = rtw_get_ie(bssid->IEs + ie_offset, _SUPPORTEDRATES_IE_, &len, bssid->IELength - ie_offset);
4505 	if (p != NULL) {
4506 		if (len > NDIS_802_11_LENGTH_RATES_EX) {
4507 			DBG_871X("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len);
4508 			return _FAIL;
4509 		}
4510 		memcpy(bssid->SupportedRates, (p + 2), len);
4511 		i = len;
4512 	}
4513 
4514 	p = rtw_get_ie(bssid->IEs + ie_offset, _EXT_SUPPORTEDRATES_IE_, &len, bssid->IELength - ie_offset);
4515 	if (p != NULL) {
4516 		if (len > (NDIS_802_11_LENGTH_RATES_EX-i)) {
4517 			DBG_871X("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len);
4518 			return _FAIL;
4519 		}
4520 		memcpy(bssid->SupportedRates + i, (p + 2), len);
4521 	}
4522 
4523 	bssid->NetworkTypeInUse = Ndis802_11OFDM24;
4524 
4525 	if (bssid->IELength < 12)
4526 		return _FAIL;
4527 
4528 	/*  Checking for DSConfig */
4529 	p = rtw_get_ie(bssid->IEs + ie_offset, _DSSET_IE_, &len, bssid->IELength - ie_offset);
4530 
4531 	bssid->Configuration.DSConfig = 0;
4532 	bssid->Configuration.Length = 0;
4533 
4534 	if (p) {
4535 		bssid->Configuration.DSConfig = *(p + 2);
4536 	} else {
4537 		/*  In 5G, some ap do not have DSSET IE */
4538 		/*  checking HT info for channel */
4539 		p = rtw_get_ie(bssid->IEs + ie_offset, _HT_ADD_INFO_IE_, &len, bssid->IELength - ie_offset);
4540 		if (p) {
4541 			struct HT_info_element *HT_info = (struct HT_info_element *)(p + 2);
4542 			bssid->Configuration.DSConfig = HT_info->primary_channel;
4543 		} else { /*  use current channel */
4544 			bssid->Configuration.DSConfig = rtw_get_oper_ch(padapter);
4545 		}
4546 	}
4547 
4548 	memcpy(&le32_tmp, rtw_get_beacon_interval_from_ie(bssid->IEs), 2);
4549 	bssid->Configuration.BeaconPeriod = le32_to_cpu(le32_tmp);
4550 
4551 	val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
4552 
4553 	if (val16 & BIT(0)) {
4554 		bssid->InfrastructureMode = Ndis802_11Infrastructure;
4555 		memcpy(bssid->MacAddress, GetAddr2Ptr(pframe), ETH_ALEN);
4556 	} else {
4557 		bssid->InfrastructureMode = Ndis802_11IBSS;
4558 		memcpy(bssid->MacAddress, GetAddr3Ptr(pframe), ETH_ALEN);
4559 	}
4560 
4561 	if (val16 & BIT(4))
4562 		bssid->Privacy = 1;
4563 	else
4564 		bssid->Privacy = 0;
4565 
4566 	bssid->Configuration.ATIMWindow = 0;
4567 
4568 	/* 20/40 BSS Coexistence check */
4569 	if ((pregistrypriv->wifi_spec == 1) && (false == pmlmeinfo->bwmode_updated)) {
4570 		struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
4571 
4572 		p = rtw_get_ie(bssid->IEs + ie_offset, _HT_CAPABILITY_IE_, &len, bssid->IELength - ie_offset);
4573 		if (p && len > 0) {
4574 			struct HT_caps_element	*pHT_caps;
4575 			pHT_caps = (struct HT_caps_element	*)(p + 2);
4576 
4577 			if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & BIT(14))
4578 				pmlmepriv->num_FortyMHzIntolerant++;
4579 		} else
4580 			pmlmepriv->num_sta_no_ht++;
4581 	}
4582 
4583 #ifdef CONFIG_INTEL_WIDI
4584 	/* process_intel_widi_query_or_tigger(padapter, bssid); */
4585 	if (process_intel_widi_query_or_tigger(padapter, bssid))
4586 		return _FAIL;
4587 #endif /*  CONFIG_INTEL_WIDI */
4588 
4589 	#if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) & 1
4590 	if (strcmp(bssid->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
4591 		DBG_871X("Receiving %s("MAC_FMT", DSConfig:%u) from ch%u with ss:%3u, sq:%3u, RawRSSI:%3ld\n"
4592 			, bssid->Ssid.Ssid, MAC_ARG(bssid->MacAddress), bssid->Configuration.DSConfig
4593 			, rtw_get_oper_ch(padapter)
4594 			, bssid->PhyInfo.SignalStrength, bssid->PhyInfo.SignalQuality, bssid->Rssi
4595 		);
4596 	}
4597 	#endif
4598 
4599 	/*  mark bss info receving from nearby channel as SignalQuality 101 */
4600 	if (bssid->Configuration.DSConfig != rtw_get_oper_ch(padapter))
4601 		bssid->PhyInfo.SignalQuality = 101;
4602 
4603 	return _SUCCESS;
4604 }
4605 
start_create_ibss(struct adapter * padapter)4606 void start_create_ibss(struct adapter *padapter)
4607 {
4608 	unsigned short	caps;
4609 	u8 val8;
4610 	u8 join_type;
4611 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4612 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4613 	struct wlan_bssid_ex		*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
4614 	pmlmeext->cur_channel = (u8)pnetwork->Configuration.DSConfig;
4615 	pmlmeinfo->bcn_interval = get_beacon_interval(pnetwork);
4616 
4617 	/* update wireless mode */
4618 	update_wireless_mode(padapter);
4619 
4620 	/* udpate capability */
4621 	caps = rtw_get_capability((struct wlan_bssid_ex *)pnetwork);
4622 	update_capinfo(padapter, caps);
4623 	if (caps&cap_IBSS) {/* adhoc master */
4624 		val8 = 0xcf;
4625 		rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
4626 
4627 		rtw_hal_set_hwreg(padapter, HW_VAR_DO_IQK, NULL);
4628 
4629 		/* switch channel */
4630 		/* SelectChannel(padapter, pmlmeext->cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE); */
4631 		set_channel_bwmode(padapter, pmlmeext->cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
4632 
4633 		beacon_timing_control(padapter);
4634 
4635 		/* set msr to WIFI_FW_ADHOC_STATE */
4636 		pmlmeinfo->state = WIFI_FW_ADHOC_STATE;
4637 		Set_MSR(padapter, (pmlmeinfo->state & 0x3));
4638 
4639 		/* issue beacon */
4640 		if (send_beacon(padapter) == _FAIL) {
4641 			RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("issuing beacon frame fail....\n"));
4642 
4643 			report_join_res(padapter, -1);
4644 			pmlmeinfo->state = WIFI_FW_NULL_STATE;
4645 		} else{
4646 			rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, padapter->registrypriv.dev_network.MacAddress);
4647 			join_type = 0;
4648 			rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
4649 
4650 			report_join_res(padapter, 1);
4651 			pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS;
4652 			rtw_indicate_connect(padapter);
4653 		}
4654 	} else{
4655 		DBG_871X("start_create_ibss, invalid cap:%x\n", caps);
4656 		return;
4657 	}
4658 	/* update bc/mc sta_info */
4659 	update_bmc_sta(padapter);
4660 
4661 }
4662 
start_clnt_join(struct adapter * padapter)4663 void start_clnt_join(struct adapter *padapter)
4664 {
4665 	unsigned short	caps;
4666 	u8 val8;
4667 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4668 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4669 	struct wlan_bssid_ex		*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
4670 	int beacon_timeout;
4671 
4672 	/* update wireless mode */
4673 	update_wireless_mode(padapter);
4674 
4675 	/* udpate capability */
4676 	caps = rtw_get_capability((struct wlan_bssid_ex *)pnetwork);
4677 	update_capinfo(padapter, caps);
4678 	if (caps&cap_ESS) {
4679 		Set_MSR(padapter, WIFI_FW_STATION_STATE);
4680 
4681 		val8 = (pmlmeinfo->auth_algo == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
4682 
4683 		rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
4684 
4685 		/*  Because of AP's not receiving deauth before */
4686 		/*  AP may: 1)not response auth or 2)deauth us after link is complete */
4687 		/*  issue deauth before issuing auth to deal with the situation */
4688 
4689 		/* 	Commented by Albert 2012/07/21 */
4690 		/* 	For the Win8 P2P connection, it will be hard to have a successful connection if this Wi-Fi doesn't connect to it. */
4691 		{
4692 				/* To avoid connecting to AP fail during resume process, change retry count from 5 to 1 */
4693 				issue_deauth_ex(padapter, pnetwork->MacAddress, WLAN_REASON_DEAUTH_LEAVING, 1, 100);
4694 		}
4695 
4696 		/* here wait for receiving the beacon to start auth */
4697 		/* and enable a timer */
4698 		beacon_timeout = decide_wait_for_beacon_timeout(pmlmeinfo->bcn_interval);
4699 		set_link_timer(pmlmeext, beacon_timeout);
4700 		_set_timer(&padapter->mlmepriv.assoc_timer,
4701 			(REAUTH_TO * REAUTH_LIMIT) + (REASSOC_TO*REASSOC_LIMIT) + beacon_timeout);
4702 
4703 		pmlmeinfo->state = WIFI_FW_AUTH_NULL | WIFI_FW_STATION_STATE;
4704 	} else if (caps&cap_IBSS) { /* adhoc client */
4705 		Set_MSR(padapter, WIFI_FW_ADHOC_STATE);
4706 
4707 		val8 = 0xcf;
4708 		rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
4709 
4710 		beacon_timing_control(padapter);
4711 
4712 		pmlmeinfo->state = WIFI_FW_ADHOC_STATE;
4713 
4714 		report_join_res(padapter, 1);
4715 	} else{
4716 		/* DBG_871X("marc: invalid cap:%x\n", caps); */
4717 		return;
4718 	}
4719 
4720 }
4721 
start_clnt_auth(struct adapter * padapter)4722 void start_clnt_auth(struct adapter *padapter)
4723 {
4724 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4725 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4726 
4727 	del_timer_sync(&pmlmeext->link_timer);
4728 
4729 	pmlmeinfo->state &= (~WIFI_FW_AUTH_NULL);
4730 	pmlmeinfo->state |= WIFI_FW_AUTH_STATE;
4731 
4732 	pmlmeinfo->auth_seq = 1;
4733 	pmlmeinfo->reauth_count = 0;
4734 	pmlmeinfo->reassoc_count = 0;
4735 	pmlmeinfo->link_count = 0;
4736 	pmlmeext->retry = 0;
4737 
4738 
4739 	DBG_871X_LEVEL(_drv_always_, "start auth\n");
4740 	issue_auth(padapter, NULL, 0);
4741 
4742 	set_link_timer(pmlmeext, REAUTH_TO);
4743 
4744 }
4745 
4746 
start_clnt_assoc(struct adapter * padapter)4747 void start_clnt_assoc(struct adapter *padapter)
4748 {
4749 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4750 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4751 
4752 	del_timer_sync(&pmlmeext->link_timer);
4753 
4754 	pmlmeinfo->state &= (~(WIFI_FW_AUTH_NULL | WIFI_FW_AUTH_STATE));
4755 	pmlmeinfo->state |= (WIFI_FW_AUTH_SUCCESS | WIFI_FW_ASSOC_STATE);
4756 
4757 	issue_assocreq(padapter);
4758 
4759 	set_link_timer(pmlmeext, REASSOC_TO);
4760 }
4761 
receive_disconnect(struct adapter * padapter,unsigned char * MacAddr,unsigned short reason)4762 unsigned int receive_disconnect(struct adapter *padapter, unsigned char *MacAddr, unsigned short reason)
4763 {
4764 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
4765 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
4766 
4767 	/* check A3 */
4768 	if (!(!memcmp(MacAddr, get_my_bssid(&pmlmeinfo->network), ETH_ALEN)))
4769 		return _SUCCESS;
4770 
4771 	DBG_871X("%s\n", __func__);
4772 
4773 	if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) {
4774 		if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) {
4775 			pmlmeinfo->state = WIFI_FW_NULL_STATE;
4776 			report_del_sta_event(padapter, MacAddr, reason);
4777 
4778 		} else if (pmlmeinfo->state & WIFI_FW_LINKING_STATE) {
4779 			pmlmeinfo->state = WIFI_FW_NULL_STATE;
4780 			report_join_res(padapter, -2);
4781 		}
4782 	}
4783 
4784 	return _SUCCESS;
4785 }
4786 
process_80211d(struct adapter * padapter,struct wlan_bssid_ex * bssid)4787 static void process_80211d(struct adapter *padapter, struct wlan_bssid_ex *bssid)
4788 {
4789 	struct registry_priv *pregistrypriv;
4790 	struct mlme_ext_priv *pmlmeext;
4791 	RT_CHANNEL_INFO *chplan_new;
4792 	u8 channel;
4793 	u8 i;
4794 
4795 
4796 	pregistrypriv = &padapter->registrypriv;
4797 	pmlmeext = &padapter->mlmeextpriv;
4798 
4799 	/*  Adjust channel plan by AP Country IE */
4800 	if (pregistrypriv->enable80211d &&
4801 		(!pmlmeext->update_channel_plan_by_ap_done)) {
4802 		u8 *ie, *p;
4803 		u32 len;
4804 		RT_CHANNEL_PLAN chplan_ap;
4805 		RT_CHANNEL_INFO chplan_sta[MAX_CHANNEL_NUM];
4806 		u8 country[4];
4807 		u8 fcn; /*  first channel number */
4808 		u8 noc; /*  number of channel */
4809 		u8 j, k;
4810 
4811 		ie = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _COUNTRY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
4812 		if (!ie)
4813 			return;
4814 		if (len < 6)
4815 			return;
4816 
4817 		ie += 2;
4818 		p = ie;
4819 		ie += len;
4820 
4821 		memset(country, 0, 4);
4822 		memcpy(country, p, 3);
4823 		p += 3;
4824 		RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
4825 				("%s: 802.11d country =%s\n", __func__, country));
4826 
4827 		i = 0;
4828 		while ((ie - p) >= 3) {
4829 			fcn = *(p++);
4830 			noc = *(p++);
4831 			p++;
4832 
4833 			for (j = 0; j < noc; j++) {
4834 				if (fcn <= 14)
4835 					channel = fcn + j; /*  2.4 GHz */
4836 				else
4837 					channel = fcn + j*4; /*  5 GHz */
4838 
4839 				chplan_ap.Channel[i++] = channel;
4840 			}
4841 		}
4842 		chplan_ap.Len = i;
4843 
4844 #ifdef DEBUG_RTL871X
4845 		i = 0;
4846 		DBG_871X("%s: AP[%s] channel plan {", __func__, bssid->Ssid.Ssid);
4847 		while ((i < chplan_ap.Len) && (chplan_ap.Channel[i] != 0)) {
4848 			DBG_8192C("%02d,", chplan_ap.Channel[i]);
4849 			i++;
4850 		}
4851 		DBG_871X("}\n");
4852 #endif
4853 
4854 		memcpy(chplan_sta, pmlmeext->channel_set, sizeof(chplan_sta));
4855 #ifdef DEBUG_RTL871X
4856 		i = 0;
4857 		DBG_871X("%s: STA channel plan {", __func__);
4858 		while ((i < MAX_CHANNEL_NUM) && (chplan_sta[i].ChannelNum != 0)) {
4859 			DBG_871X("%02d(%c),", chplan_sta[i].ChannelNum, chplan_sta[i].ScanType == SCAN_PASSIVE?'p':'a');
4860 			i++;
4861 		}
4862 		DBG_871X("}\n");
4863 #endif
4864 
4865 		memset(pmlmeext->channel_set, 0, sizeof(pmlmeext->channel_set));
4866 		chplan_new = pmlmeext->channel_set;
4867 
4868 		i = j = k = 0;
4869 		if (pregistrypriv->wireless_mode & WIRELESS_11G) {
4870 			do {
4871 				if ((i == MAX_CHANNEL_NUM) ||
4872 					(chplan_sta[i].ChannelNum == 0) ||
4873 					(chplan_sta[i].ChannelNum > 14))
4874 					break;
4875 
4876 				if ((j == chplan_ap.Len) || (chplan_ap.Channel[j] > 14))
4877 					break;
4878 
4879 				if (chplan_sta[i].ChannelNum == chplan_ap.Channel[j]) {
4880 					chplan_new[k].ChannelNum = chplan_ap.Channel[j];
4881 					chplan_new[k].ScanType = SCAN_ACTIVE;
4882 					i++;
4883 					j++;
4884 					k++;
4885 				} else if (chplan_sta[i].ChannelNum < chplan_ap.Channel[j]) {
4886 					chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
4887 /* 					chplan_new[k].ScanType = chplan_sta[i].ScanType; */
4888 					chplan_new[k].ScanType = SCAN_PASSIVE;
4889 					i++;
4890 					k++;
4891 				} else if (chplan_sta[i].ChannelNum > chplan_ap.Channel[j]) {
4892 					chplan_new[k].ChannelNum = chplan_ap.Channel[j];
4893 					chplan_new[k].ScanType = SCAN_ACTIVE;
4894 					j++;
4895 					k++;
4896 				}
4897 			} while (1);
4898 
4899 			/*  change AP not support channel to Passive scan */
4900 			while ((i < MAX_CHANNEL_NUM) &&
4901 				(chplan_sta[i].ChannelNum != 0) &&
4902 				(chplan_sta[i].ChannelNum <= 14)) {
4903 
4904 				chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
4905 /* 				chplan_new[k].ScanType = chplan_sta[i].ScanType; */
4906 				chplan_new[k].ScanType = SCAN_PASSIVE;
4907 				i++;
4908 				k++;
4909 			}
4910 
4911 			/*  add channel AP supported */
4912 			while ((j < chplan_ap.Len) && (chplan_ap.Channel[j] <= 14)) {
4913 				chplan_new[k].ChannelNum = chplan_ap.Channel[j];
4914 				chplan_new[k].ScanType = SCAN_ACTIVE;
4915 				j++;
4916 				k++;
4917 			}
4918 		} else{
4919 			/*  keep original STA 2.4G channel plan */
4920 			while ((i < MAX_CHANNEL_NUM) &&
4921 				(chplan_sta[i].ChannelNum != 0) &&
4922 				(chplan_sta[i].ChannelNum <= 14)) {
4923 				chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
4924 				chplan_new[k].ScanType = chplan_sta[i].ScanType;
4925 				i++;
4926 				k++;
4927 			}
4928 
4929 			/*  skip AP 2.4G channel plan */
4930 			while ((j < chplan_ap.Len) && (chplan_ap.Channel[j] <= 14)) {
4931 				j++;
4932 			}
4933 		}
4934 
4935 		if (pregistrypriv->wireless_mode & WIRELESS_11A) {
4936 			do {
4937 				if ((i == MAX_CHANNEL_NUM) ||
4938 					(chplan_sta[i].ChannelNum == 0))
4939 					break;
4940 
4941 				if ((j == chplan_ap.Len) || (chplan_ap.Channel[j] == 0))
4942 					break;
4943 
4944 				if (chplan_sta[i].ChannelNum == chplan_ap.Channel[j]) {
4945 					chplan_new[k].ChannelNum = chplan_ap.Channel[j];
4946 					chplan_new[k].ScanType = SCAN_ACTIVE;
4947 					i++;
4948 					j++;
4949 					k++;
4950 				} else if (chplan_sta[i].ChannelNum < chplan_ap.Channel[j]) {
4951 					chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
4952 /* 					chplan_new[k].ScanType = chplan_sta[i].ScanType; */
4953 					chplan_new[k].ScanType = SCAN_PASSIVE;
4954 					i++;
4955 					k++;
4956 				} else if (chplan_sta[i].ChannelNum > chplan_ap.Channel[j]) {
4957 					chplan_new[k].ChannelNum = chplan_ap.Channel[j];
4958 					chplan_new[k].ScanType = SCAN_ACTIVE;
4959 					j++;
4960 					k++;
4961 				}
4962 			} while (1);
4963 
4964 			/*  change AP not support channel to Passive scan */
4965 			while ((i < MAX_CHANNEL_NUM) && (chplan_sta[i].ChannelNum != 0)) {
4966 				chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
4967 /* 				chplan_new[k].ScanType = chplan_sta[i].ScanType; */
4968 				chplan_new[k].ScanType = SCAN_PASSIVE;
4969 				i++;
4970 				k++;
4971 			}
4972 
4973 			/*  add channel AP supported */
4974 			while ((j < chplan_ap.Len) && (chplan_ap.Channel[j] != 0)) {
4975 				chplan_new[k].ChannelNum = chplan_ap.Channel[j];
4976 				chplan_new[k].ScanType = SCAN_ACTIVE;
4977 				j++;
4978 				k++;
4979 			}
4980 		} else{
4981 			/*  keep original STA 5G channel plan */
4982 			while ((i < MAX_CHANNEL_NUM) && (chplan_sta[i].ChannelNum != 0)) {
4983 				chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
4984 				chplan_new[k].ScanType = chplan_sta[i].ScanType;
4985 				i++;
4986 				k++;
4987 			}
4988 		}
4989 
4990 		pmlmeext->update_channel_plan_by_ap_done = 1;
4991 
4992 #ifdef DEBUG_RTL871X
4993 		k = 0;
4994 		DBG_871X("%s: new STA channel plan {", __func__);
4995 		while ((k < MAX_CHANNEL_NUM) && (chplan_new[k].ChannelNum != 0)) {
4996 			DBG_871X("%02d(%c),", chplan_new[k].ChannelNum, chplan_new[k].ScanType == SCAN_PASSIVE?'p':'c');
4997 			k++;
4998 		}
4999 		DBG_871X("}\n");
5000 #endif
5001 	}
5002 
5003 	/*  If channel is used by AP, set channel scan type to active */
5004 	channel = bssid->Configuration.DSConfig;
5005 	chplan_new = pmlmeext->channel_set;
5006 	i = 0;
5007 	while ((i < MAX_CHANNEL_NUM) && (chplan_new[i].ChannelNum != 0)) {
5008 		if (chplan_new[i].ChannelNum == channel) {
5009 			if (chplan_new[i].ScanType == SCAN_PASSIVE) {
5010 				/* 5G Bnad 2, 3 (DFS) doesn't change to active scan */
5011 				if (channel >= 52 && channel <= 144)
5012 					break;
5013 
5014 				chplan_new[i].ScanType = SCAN_ACTIVE;
5015 				RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
5016 						 ("%s: change channel %d scan type from passive to active\n",
5017 						  __func__, channel));
5018 			}
5019 			break;
5020 		}
5021 		i++;
5022 	}
5023 }
5024 
5025 /****************************************************************************
5026 
5027 Following are the functions to report events
5028 
5029 *****************************************************************************/
5030 
report_survey_event(struct adapter * padapter,union recv_frame * precv_frame)5031 void report_survey_event(struct adapter *padapter, union recv_frame *precv_frame)
5032 {
5033 	struct cmd_obj *pcmd_obj;
5034 	u8 *pevtcmd;
5035 	u32 cmdsz;
5036 	struct survey_event	*psurvey_evt;
5037 	struct C2HEvent_Header *pc2h_evt_hdr;
5038 	struct mlme_ext_priv *pmlmeext;
5039 	struct cmd_priv *pcmdpriv;
5040 	/* u8 *pframe = precv_frame->u.hdr.rx_data; */
5041 	/* uint len = precv_frame->u.hdr.len; */
5042 
5043 	if (!padapter)
5044 		return;
5045 
5046 	pmlmeext = &padapter->mlmeextpriv;
5047 	pcmdpriv = &padapter->cmdpriv;
5048 
5049 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
5050 	if (pcmd_obj == NULL)
5051 		return;
5052 
5053 	cmdsz = (sizeof(struct survey_event) + sizeof(struct C2HEvent_Header));
5054 	pevtcmd = rtw_zmalloc(cmdsz);
5055 	if (pevtcmd == NULL) {
5056 		kfree((u8 *)pcmd_obj);
5057 		return;
5058 	}
5059 
5060 	INIT_LIST_HEAD(&pcmd_obj->list);
5061 
5062 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
5063 	pcmd_obj->cmdsz = cmdsz;
5064 	pcmd_obj->parmbuf = pevtcmd;
5065 
5066 	pcmd_obj->rsp = NULL;
5067 	pcmd_obj->rspsz  = 0;
5068 
5069 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
5070 	pc2h_evt_hdr->len = sizeof(struct survey_event);
5071 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_Survey);
5072 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
5073 
5074 	psurvey_evt = (struct survey_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
5075 
5076 	if (collect_bss_info(padapter, precv_frame, (struct wlan_bssid_ex *)&psurvey_evt->bss) == _FAIL) {
5077 		kfree((u8 *)pcmd_obj);
5078 		kfree((u8 *)pevtcmd);
5079 		return;
5080 	}
5081 
5082 	process_80211d(padapter, &psurvey_evt->bss);
5083 
5084 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
5085 
5086 	pmlmeext->sitesurvey_res.bss_cnt++;
5087 
5088 	return;
5089 
5090 }
5091 
report_surveydone_event(struct adapter * padapter)5092 void report_surveydone_event(struct adapter *padapter)
5093 {
5094 	struct cmd_obj *pcmd_obj;
5095 	u8 *pevtcmd;
5096 	u32 cmdsz;
5097 	struct surveydone_event *psurveydone_evt;
5098 	struct C2HEvent_Header	*pc2h_evt_hdr;
5099 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
5100 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
5101 
5102 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
5103 	if (pcmd_obj == NULL)
5104 		return;
5105 
5106 	cmdsz = (sizeof(struct surveydone_event) + sizeof(struct C2HEvent_Header));
5107 	pevtcmd = rtw_zmalloc(cmdsz);
5108 	if (pevtcmd == NULL) {
5109 		kfree((u8 *)pcmd_obj);
5110 		return;
5111 	}
5112 
5113 	INIT_LIST_HEAD(&pcmd_obj->list);
5114 
5115 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
5116 	pcmd_obj->cmdsz = cmdsz;
5117 	pcmd_obj->parmbuf = pevtcmd;
5118 
5119 	pcmd_obj->rsp = NULL;
5120 	pcmd_obj->rspsz  = 0;
5121 
5122 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
5123 	pc2h_evt_hdr->len = sizeof(struct surveydone_event);
5124 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_SurveyDone);
5125 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
5126 
5127 	psurveydone_evt = (struct surveydone_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
5128 	psurveydone_evt->bss_cnt = pmlmeext->sitesurvey_res.bss_cnt;
5129 
5130 	DBG_871X("survey done event(%x) band:%d for "ADPT_FMT"\n", psurveydone_evt->bss_cnt, padapter->setband, ADPT_ARG(padapter));
5131 
5132 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
5133 
5134 	return;
5135 
5136 }
5137 
report_join_res(struct adapter * padapter,int res)5138 void report_join_res(struct adapter *padapter, int res)
5139 {
5140 	struct cmd_obj *pcmd_obj;
5141 	u8 *pevtcmd;
5142 	u32 cmdsz;
5143 	struct joinbss_event		*pjoinbss_evt;
5144 	struct C2HEvent_Header	*pc2h_evt_hdr;
5145 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
5146 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5147 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
5148 
5149 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
5150 	if (pcmd_obj == NULL)
5151 		return;
5152 
5153 	cmdsz = (sizeof(struct joinbss_event) + sizeof(struct C2HEvent_Header));
5154 	pevtcmd = rtw_zmalloc(cmdsz);
5155 	if (pevtcmd == NULL) {
5156 		kfree((u8 *)pcmd_obj);
5157 		return;
5158 	}
5159 
5160 	INIT_LIST_HEAD(&pcmd_obj->list);
5161 
5162 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
5163 	pcmd_obj->cmdsz = cmdsz;
5164 	pcmd_obj->parmbuf = pevtcmd;
5165 
5166 	pcmd_obj->rsp = NULL;
5167 	pcmd_obj->rspsz  = 0;
5168 
5169 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
5170 	pc2h_evt_hdr->len = sizeof(struct joinbss_event);
5171 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_JoinBss);
5172 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
5173 
5174 	pjoinbss_evt = (struct joinbss_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
5175 	memcpy((unsigned char *)(&(pjoinbss_evt->network.network)), &(pmlmeinfo->network), sizeof(struct wlan_bssid_ex));
5176 	pjoinbss_evt->network.join_res	= pjoinbss_evt->network.aid = res;
5177 
5178 	DBG_871X("report_join_res(%d)\n", res);
5179 
5180 
5181 	rtw_joinbss_event_prehandle(padapter, (u8 *)&pjoinbss_evt->network);
5182 
5183 
5184 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
5185 
5186 	return;
5187 
5188 }
5189 
report_wmm_edca_update(struct adapter * padapter)5190 void report_wmm_edca_update(struct adapter *padapter)
5191 {
5192 	struct cmd_obj *pcmd_obj;
5193 	u8 *pevtcmd;
5194 	u32 cmdsz;
5195 	struct wmm_event		*pwmm_event;
5196 	struct C2HEvent_Header	*pc2h_evt_hdr;
5197 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
5198 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
5199 
5200 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
5201 	if (pcmd_obj == NULL)
5202 		return;
5203 
5204 	cmdsz = (sizeof(struct wmm_event) + sizeof(struct C2HEvent_Header));
5205 	pevtcmd = rtw_zmalloc(cmdsz);
5206 	if (pevtcmd == NULL) {
5207 		kfree((u8 *)pcmd_obj);
5208 		return;
5209 	}
5210 
5211 	INIT_LIST_HEAD(&pcmd_obj->list);
5212 
5213 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
5214 	pcmd_obj->cmdsz = cmdsz;
5215 	pcmd_obj->parmbuf = pevtcmd;
5216 
5217 	pcmd_obj->rsp = NULL;
5218 	pcmd_obj->rspsz  = 0;
5219 
5220 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
5221 	pc2h_evt_hdr->len = sizeof(struct wmm_event);
5222 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_WMM);
5223 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
5224 
5225 	pwmm_event = (struct wmm_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
5226 	pwmm_event->wmm = 0;
5227 
5228 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
5229 
5230 	return;
5231 
5232 }
5233 
report_del_sta_event(struct adapter * padapter,unsigned char * MacAddr,unsigned short reason)5234 void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, unsigned short reason)
5235 {
5236 	struct cmd_obj *pcmd_obj;
5237 	u8 *pevtcmd;
5238 	u32 cmdsz;
5239 	struct sta_info *psta;
5240 	int	mac_id;
5241 	struct stadel_event			*pdel_sta_evt;
5242 	struct C2HEvent_Header	*pc2h_evt_hdr;
5243 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
5244 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
5245 
5246 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
5247 	if (pcmd_obj == NULL) {
5248 		return;
5249 	}
5250 
5251 	cmdsz = (sizeof(struct stadel_event) + sizeof(struct C2HEvent_Header));
5252 	pevtcmd = rtw_zmalloc(cmdsz);
5253 	if (pevtcmd == NULL) {
5254 		kfree((u8 *)pcmd_obj);
5255 		return;
5256 	}
5257 
5258 	INIT_LIST_HEAD(&pcmd_obj->list);
5259 
5260 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
5261 	pcmd_obj->cmdsz = cmdsz;
5262 	pcmd_obj->parmbuf = pevtcmd;
5263 
5264 	pcmd_obj->rsp = NULL;
5265 	pcmd_obj->rspsz  = 0;
5266 
5267 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
5268 	pc2h_evt_hdr->len = sizeof(struct stadel_event);
5269 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_DelSTA);
5270 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
5271 
5272 	pdel_sta_evt = (struct stadel_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
5273 	memcpy((unsigned char *)(&(pdel_sta_evt->macaddr)), MacAddr, ETH_ALEN);
5274 	memcpy((unsigned char *)(pdel_sta_evt->rsvd), (unsigned char *)(&reason), 2);
5275 
5276 
5277 	psta = rtw_get_stainfo(&padapter->stapriv, MacAddr);
5278 	if (psta)
5279 		mac_id = (int)psta->mac_id;
5280 	else
5281 		mac_id = (-1);
5282 
5283 	pdel_sta_evt->mac_id = mac_id;
5284 
5285 	DBG_871X("report_del_sta_event: delete STA, mac_id =%d\n", mac_id);
5286 
5287 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
5288 
5289 	return;
5290 }
5291 
report_add_sta_event(struct adapter * padapter,unsigned char * MacAddr,int cam_idx)5292 void report_add_sta_event(struct adapter *padapter, unsigned char *MacAddr, int cam_idx)
5293 {
5294 	struct cmd_obj *pcmd_obj;
5295 	u8 *pevtcmd;
5296 	u32 cmdsz;
5297 	struct stassoc_event		*padd_sta_evt;
5298 	struct C2HEvent_Header	*pc2h_evt_hdr;
5299 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
5300 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
5301 
5302 	pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj));
5303 	if (pcmd_obj == NULL)
5304 		return;
5305 
5306 	cmdsz = (sizeof(struct stassoc_event) + sizeof(struct C2HEvent_Header));
5307 	pevtcmd = rtw_zmalloc(cmdsz);
5308 	if (pevtcmd == NULL) {
5309 		kfree((u8 *)pcmd_obj);
5310 		return;
5311 	}
5312 
5313 	INIT_LIST_HEAD(&pcmd_obj->list);
5314 
5315 	pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT);
5316 	pcmd_obj->cmdsz = cmdsz;
5317 	pcmd_obj->parmbuf = pevtcmd;
5318 
5319 	pcmd_obj->rsp = NULL;
5320 	pcmd_obj->rspsz  = 0;
5321 
5322 	pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd);
5323 	pc2h_evt_hdr->len = sizeof(struct stassoc_event);
5324 	pc2h_evt_hdr->ID = GEN_EVT_CODE(_AddSTA);
5325 	pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq);
5326 
5327 	padd_sta_evt = (struct stassoc_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
5328 	memcpy((unsigned char *)(&(padd_sta_evt->macaddr)), MacAddr, ETH_ALEN);
5329 	padd_sta_evt->cam_id = cam_idx;
5330 
5331 	DBG_871X("report_add_sta_event: add STA\n");
5332 
5333 	rtw_enqueue_cmd(pcmdpriv, pcmd_obj);
5334 
5335 	return;
5336 }
5337 
5338 
rtw_port_switch_chk(struct adapter * adapter)5339 bool rtw_port_switch_chk(struct adapter *adapter)
5340 {
5341 	bool switch_needed = false;
5342 	return switch_needed;
5343 }
5344 
5345 /****************************************************************************
5346 
5347 Following are the event callback functions
5348 
5349 *****************************************************************************/
5350 
5351 /* for sta/adhoc mode */
update_sta_info(struct adapter * padapter,struct sta_info * psta)5352 void update_sta_info(struct adapter *padapter, struct sta_info *psta)
5353 {
5354 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
5355 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5356 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5357 
5358 	/* ERP */
5359 	VCS_update(padapter, psta);
5360 
5361 	/* HT */
5362 	if (pmlmepriv->htpriv.ht_option) {
5363 		psta->htpriv.ht_option = true;
5364 
5365 		psta->htpriv.ampdu_enable = pmlmepriv->htpriv.ampdu_enable;
5366 
5367 		psta->htpriv.rx_ampdu_min_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para&IEEE80211_HT_CAP_AMPDU_DENSITY)>>2;
5368 
5369 		if (support_short_GI(padapter, &(pmlmeinfo->HT_caps), CHANNEL_WIDTH_20))
5370 			psta->htpriv.sgi_20m = true;
5371 
5372 		if (support_short_GI(padapter, &(pmlmeinfo->HT_caps), CHANNEL_WIDTH_40))
5373 			psta->htpriv.sgi_40m = true;
5374 
5375 		psta->qos_option = true;
5376 
5377 		psta->htpriv.ldpc_cap = pmlmepriv->htpriv.ldpc_cap;
5378 		psta->htpriv.stbc_cap = pmlmepriv->htpriv.stbc_cap;
5379 		psta->htpriv.beamform_cap = pmlmepriv->htpriv.beamform_cap;
5380 
5381 		memcpy(&psta->htpriv.ht_cap, &pmlmeinfo->HT_caps, sizeof(struct rtw_ieee80211_ht_cap));
5382 	} else{
5383 		psta->htpriv.ht_option = false;
5384 
5385 		psta->htpriv.ampdu_enable = false;
5386 
5387 		psta->htpriv.sgi_20m = false;
5388 		psta->htpriv.sgi_40m = false;
5389 		psta->qos_option = false;
5390 
5391 	}
5392 
5393 	psta->htpriv.ch_offset = pmlmeext->cur_ch_offset;
5394 
5395 	psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
5396 	psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
5397 
5398 	psta->bw_mode = pmlmeext->cur_bwmode;
5399 
5400 	/* QoS */
5401 	if (pmlmepriv->qospriv.qos_option)
5402 		psta->qos_option = true;
5403 
5404 	update_ldpc_stbc_cap(psta);
5405 
5406 	spin_lock_bh(&psta->lock);
5407 	psta->state = _FW_LINKED;
5408 	spin_unlock_bh(&psta->lock);
5409 
5410 }
5411 
rtw_mlmeext_disconnect(struct adapter * padapter)5412 static void rtw_mlmeext_disconnect(struct adapter *padapter)
5413 {
5414 	struct mlme_priv 	*pmlmepriv = &padapter->mlmepriv;
5415 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5416 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5417 	struct wlan_bssid_ex		*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
5418 	u8 state_backup = (pmlmeinfo->state&0x03);
5419 
5420 	/* set_opmode_cmd(padapter, infra_client_with_mlme); */
5421 
5422 	/*
5423 	 * For safety, prevent from keeping macid sleep.
5424 	 * If we can sure all power mode enter/leave are paired,
5425 	 * this check can be removed.
5426 	 * Lucas@20131113
5427 	 */
5428 	/* wakeup macid after disconnect. */
5429 	{
5430 		struct sta_info *psta;
5431 		psta = rtw_get_stainfo(&padapter->stapriv, get_my_bssid(pnetwork));
5432 		if (psta)
5433 			rtw_hal_macid_wakeup(padapter, psta->mac_id);
5434 	}
5435 
5436 	rtw_hal_set_hwreg(padapter, HW_VAR_MLME_DISCONNECT, NULL);
5437 	rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, null_addr);
5438 
5439 	/* set MSR to no link state -> infra. mode */
5440 	Set_MSR(padapter, _HW_STATE_STATION_);
5441 
5442 	pmlmeinfo->state = WIFI_FW_NULL_STATE;
5443 
5444 	if (state_backup == WIFI_FW_STATION_STATE) {
5445 		if (rtw_port_switch_chk(padapter)) {
5446 			rtw_hal_set_hwreg(padapter, HW_VAR_PORT_SWITCH, NULL);
5447 			{
5448 				struct adapter *port0_iface = dvobj_get_port0_adapter(adapter_to_dvobj(padapter));
5449 				if (port0_iface)
5450 					rtw_lps_ctrl_wk_cmd(port0_iface, LPS_CTRL_CONNECT, 0);
5451 			}
5452 		}
5453 	}
5454 
5455 	/* switch to the 20M Hz mode after disconnect */
5456 	pmlmeext->cur_bwmode = CHANNEL_WIDTH_20;
5457 	pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
5458 
5459 	set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
5460 
5461 	flush_all_cam_entry(padapter);
5462 
5463 	del_timer_sync(&pmlmeext->link_timer);
5464 
5465 	/* pmlmepriv->LinkDetectInfo.TrafficBusyState = false; */
5466 	pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
5467 	pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
5468 
5469 }
5470 
mlmeext_joinbss_event_callback(struct adapter * padapter,int join_res)5471 void mlmeext_joinbss_event_callback(struct adapter *padapter, int join_res)
5472 {
5473 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5474 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5475 	struct wlan_bssid_ex		*cur_network = &(pmlmeinfo->network);
5476 	struct sta_priv 	*pstapriv = &padapter->stapriv;
5477 	u8 join_type;
5478 	struct sta_info *psta;
5479 	if (join_res < 0) {
5480 		join_type = 1;
5481 		rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
5482 		rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, null_addr);
5483 
5484 		goto exit_mlmeext_joinbss_event_callback;
5485 	}
5486 
5487 	if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)
5488 		/* update bc/mc sta_info */
5489 		update_bmc_sta(padapter);
5490 
5491 
5492 	/* turn on dynamic functions */
5493 	Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
5494 
5495 	/*  update IOT-releated issue */
5496 	update_IOT_info(padapter);
5497 
5498 	rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, cur_network->SupportedRates);
5499 
5500 	/* BCN interval */
5501 	rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&pmlmeinfo->bcn_interval));
5502 
5503 	/* udpate capability */
5504 	update_capinfo(padapter, pmlmeinfo->capability);
5505 
5506 	/* WMM, Update EDCA param */
5507 	WMMOnAssocRsp(padapter);
5508 
5509 	/* HT */
5510 	HTOnAssocRsp(padapter);
5511 
5512 	/* Set cur_channel&cur_bwmode&cur_ch_offset */
5513 	set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
5514 
5515 	psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
5516 	if (psta) { /* only for infra. mode */
5517 
5518 		pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
5519 
5520 		/* DBG_871X("set_sta_rate\n"); */
5521 
5522 		psta->wireless_mode = pmlmeext->cur_wireless_mode;
5523 
5524 		/* set per sta rate after updating HT cap. */
5525 		set_sta_rate(padapter, psta);
5526 
5527 		rtw_sta_media_status_rpt(padapter, psta, 1);
5528 
5529 		/* wakeup macid after join bss successfully to ensure
5530 			the subsequent data frames can be sent out normally */
5531 		rtw_hal_macid_wakeup(padapter, psta->mac_id);
5532 	}
5533 
5534 	if (rtw_port_switch_chk(padapter))
5535 		rtw_hal_set_hwreg(padapter, HW_VAR_PORT_SWITCH, NULL);
5536 
5537 	join_type = 2;
5538 	rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
5539 
5540 	if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) {
5541 		/*  correcting TSF */
5542 		correct_TSF(padapter, pmlmeext);
5543 
5544 		/* set_link_timer(pmlmeext, DISCONNECT_TO); */
5545 	}
5546 
5547 	if (get_iface_type(padapter) == IFACE_PORT0)
5548 		rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_CONNECT, 0);
5549 
5550 exit_mlmeext_joinbss_event_callback:
5551 
5552 	DBG_871X("=>%s\n", __func__);
5553 
5554 }
5555 
5556 /* currently only adhoc mode will go here */
mlmeext_sta_add_event_callback(struct adapter * padapter,struct sta_info * psta)5557 void mlmeext_sta_add_event_callback(struct adapter *padapter, struct sta_info *psta)
5558 {
5559 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
5560 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5561 	u8 join_type;
5562 
5563 	DBG_871X("%s\n", __func__);
5564 
5565 	if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) {
5566 		if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) { /* adhoc master or sta_count>1 */
5567 
5568 			/* nothing to do */
5569 		} else{ /* adhoc client */
5570 			/* update TSF Value */
5571 			/* update_TSF(pmlmeext, pframe, len); */
5572 
5573 			/*  correcting TSF */
5574 			correct_TSF(padapter, pmlmeext);
5575 
5576 			/* start beacon */
5577 			if (send_beacon(padapter) == _FAIL) {
5578 				pmlmeinfo->FW_sta_info[psta->mac_id].status = 0;
5579 
5580 				pmlmeinfo->state ^= WIFI_FW_ADHOC_STATE;
5581 
5582 				return;
5583 			}
5584 
5585 			pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS;
5586 
5587 		}
5588 
5589 		join_type = 2;
5590 		rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
5591 	}
5592 
5593 	pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
5594 
5595 	psta->bssratelen = rtw_get_rateset_len(pmlmeinfo->FW_sta_info[psta->mac_id].SupportedRates);
5596 	memcpy(psta->bssrateset, pmlmeinfo->FW_sta_info[psta->mac_id].SupportedRates, psta->bssratelen);
5597 
5598 	/* update adhoc sta_info */
5599 	update_sta_info(padapter, psta);
5600 
5601 	rtw_hal_update_sta_rate_mask(padapter, psta);
5602 
5603 	/*  ToDo: HT for Ad-hoc */
5604 	psta->wireless_mode = rtw_check_network_type(psta->bssrateset, psta->bssratelen, pmlmeext->cur_channel);
5605 	psta->raid = rtw_hal_networktype_to_raid(padapter, psta);
5606 
5607 	/* rate radaptive */
5608 	Update_RA_Entry(padapter, psta);
5609 }
5610 
mlmeext_sta_del_event_callback(struct adapter * padapter)5611 void mlmeext_sta_del_event_callback(struct adapter *padapter)
5612 {
5613 	if (is_client_associated_to_ap(padapter) || is_IBSS_empty(padapter))
5614 		rtw_mlmeext_disconnect(padapter);
5615 }
5616 
5617 /****************************************************************************
5618 
5619 Following are the functions for the timer handlers
5620 
5621 *****************************************************************************/
_linked_info_dump(struct adapter * padapter)5622 void _linked_info_dump(struct adapter *padapter)
5623 {
5624 	int i;
5625 	struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
5626 	struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
5627 	int UndecoratedSmoothedPWDB;
5628 	struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
5629 
5630 	if (padapter->bLinkInfoDump) {
5631 
5632 		DBG_871X("\n ============["ADPT_FMT"] linked status check ===================\n", ADPT_ARG(padapter));
5633 
5634 		if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) {
5635 			rtw_hal_get_def_var(padapter, HAL_DEF_UNDERCORATEDSMOOTHEDPWDB, &UndecoratedSmoothedPWDB);
5636 
5637 			DBG_871X("AP[" MAC_FMT "] - UndecoratedSmoothedPWDB:%d\n",
5638 				MAC_ARG(padapter->mlmepriv.cur_network.network.MacAddress), UndecoratedSmoothedPWDB);
5639 		} else if ((pmlmeinfo->state&0x03) == _HW_STATE_AP_) {
5640 			struct list_head	*phead, *plist;
5641 
5642 			struct sta_info *psta = NULL;
5643 			struct sta_priv *pstapriv = &padapter->stapriv;
5644 
5645 			spin_lock_bh(&pstapriv->asoc_list_lock);
5646 			phead = &pstapriv->asoc_list;
5647 			plist = get_next(phead);
5648 			while (phead != plist) {
5649 				psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
5650 				plist = get_next(plist);
5651 
5652 				DBG_871X("STA[" MAC_FMT "]:UndecoratedSmoothedPWDB:%d\n",
5653 					MAC_ARG(psta->hwaddr), psta->rssi_stat.UndecoratedSmoothedPWDB);
5654 			}
5655 			spin_unlock_bh(&pstapriv->asoc_list_lock);
5656 
5657 		}
5658 		for (i = 0; i < NUM_STA; i++) {
5659 			if (pdvobj->macid[i]) {
5660 				if (i != 1) /* skip bc/mc sta */
5661 					/*   tx info ============ */
5662 					rtw_hal_get_def_var(padapter, HW_DEF_RA_INFO_DUMP, &i);
5663 			}
5664 		}
5665 		rtw_hal_set_def_var(padapter, HAL_DEF_DBG_RX_INFO_DUMP, NULL);
5666 
5667 
5668 	}
5669 
5670 
5671 }
5672 
chk_ap_is_alive(struct adapter * padapter,struct sta_info * psta)5673 static u8 chk_ap_is_alive(struct adapter *padapter, struct sta_info *psta)
5674 {
5675 	u8 ret = false;
5676 
5677 	#ifdef DBG_EXPIRATION_CHK
5678 	DBG_871X(FUNC_ADPT_FMT" rx:"STA_PKTS_FMT", beacon:%llu, probersp_to_self:%llu"
5679 				/*", probersp_bm:%llu, probersp_uo:%llu, probereq:%llu, BI:%u"*/
5680 				", retry:%u\n"
5681 		, FUNC_ADPT_ARG(padapter)
5682 		, STA_RX_PKTS_DIFF_ARG(psta)
5683 		, psta->sta_stats.rx_beacon_pkts - psta->sta_stats.last_rx_beacon_pkts
5684 		, psta->sta_stats.rx_probersp_pkts - psta->sta_stats.last_rx_probersp_pkts
5685 		/*, psta->sta_stats.rx_probersp_bm_pkts - psta->sta_stats.last_rx_probersp_bm_pkts
5686 		, psta->sta_stats.rx_probersp_uo_pkts - psta->sta_stats.last_rx_probersp_uo_pkts
5687 		, psta->sta_stats.rx_probereq_pkts - psta->sta_stats.last_rx_probereq_pkts
5688 		, pmlmeinfo->bcn_interval*/
5689 		, pmlmeext->retry
5690 	);
5691 
5692 	DBG_871X(FUNC_ADPT_FMT" tx_pkts:%llu, link_count:%u\n", FUNC_ADPT_ARG(padapter)
5693 		, padapter->xmitpriv.tx_pkts
5694 		, pmlmeinfo->link_count
5695 	);
5696 	#endif
5697 
5698 	if ((sta_rx_data_pkts(psta) == sta_last_rx_data_pkts(psta))
5699 		&& sta_rx_beacon_pkts(psta) == sta_last_rx_beacon_pkts(psta)
5700 		&& sta_rx_probersp_pkts(psta) == sta_last_rx_probersp_pkts(psta)
5701 	) {
5702 		ret = false;
5703 	} else{
5704 		ret = true;
5705 	}
5706 
5707 	sta_update_last_rx_pkts(psta);
5708 
5709 	return ret;
5710 }
5711 
linked_status_chk(struct adapter * padapter)5712 void linked_status_chk(struct adapter *padapter)
5713 {
5714 	u32 i;
5715 	struct sta_info 	*psta;
5716 	struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv);
5717 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5718 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5719 	struct sta_priv 	*pstapriv = &padapter->stapriv;
5720 
5721 
5722 	if (is_client_associated_to_ap(padapter)) {
5723 		/* linked infrastructure client mode */
5724 
5725 		int tx_chk = _SUCCESS, rx_chk = _SUCCESS;
5726 		int rx_chk_limit;
5727 		int link_count_limit;
5728 
5729 		#if defined(DBG_ROAMING_TEST)
5730 		rx_chk_limit = 1;
5731 		#else
5732 		rx_chk_limit = 8;
5733 		#endif
5734 		link_count_limit = 7; /*  16 sec */
5735 
5736 		/*  Marked by Kurt 20130715 */
5737 		/*  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. */
5738 		/*  todo: To check why we under miracast session, rx_chk would be false */
5739 		/* ifdef CONFIG_INTEL_WIDI */
5740 		/* if (padapter->mlmepriv.widi_state != INTEL_WIDI_STATE_NONE) */
5741 		/* 	rx_chk_limit = 1; */
5742 		/* endif */
5743 
5744 		psta = rtw_get_stainfo(pstapriv, pmlmeinfo->network.MacAddress);
5745 		if (psta != NULL) {
5746 			if (chk_ap_is_alive(padapter, psta) == false)
5747 				rx_chk = _FAIL;
5748 
5749 			if (pxmitpriv->last_tx_pkts == pxmitpriv->tx_pkts)
5750 				tx_chk = _FAIL;
5751 
5752 			{
5753 				if (rx_chk != _SUCCESS) {
5754 					if (pmlmeext->retry == 0) {
5755 						#ifdef DBG_EXPIRATION_CHK
5756 						DBG_871X("issue_probereq to trigger probersp, retry =%d\n", pmlmeext->retry);
5757 						#endif
5758 						issue_probereq_ex(padapter, &pmlmeinfo->network.Ssid, pmlmeinfo->network.MacAddress, 0, 0, 0, 0);
5759 						issue_probereq_ex(padapter, &pmlmeinfo->network.Ssid, pmlmeinfo->network.MacAddress, 0, 0, 0, 0);
5760 						issue_probereq_ex(padapter, &pmlmeinfo->network.Ssid, pmlmeinfo->network.MacAddress, 0, 0, 0, 0);
5761 					}
5762 				}
5763 
5764 				if (tx_chk != _SUCCESS && pmlmeinfo->link_count++ == link_count_limit) {
5765 					#ifdef DBG_EXPIRATION_CHK
5766 					DBG_871X("%s issue_nulldata 0\n", __func__);
5767 					#endif
5768 					tx_chk = issue_nulldata_in_interrupt(padapter, NULL);
5769 				}
5770 			}
5771 
5772 			if (rx_chk == _FAIL) {
5773 				pmlmeext->retry++;
5774 				if (pmlmeext->retry > rx_chk_limit) {
5775 					DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" disconnect or roaming\n",
5776 						FUNC_ADPT_ARG(padapter));
5777 					receive_disconnect(padapter, pmlmeinfo->network.MacAddress
5778 						, WLAN_REASON_EXPIRATION_CHK);
5779 					return;
5780 				}
5781 			} else {
5782 				pmlmeext->retry = 0;
5783 			}
5784 
5785 			if (tx_chk == _FAIL) {
5786 				pmlmeinfo->link_count %= (link_count_limit+1);
5787 			} else {
5788 				pxmitpriv->last_tx_pkts = pxmitpriv->tx_pkts;
5789 				pmlmeinfo->link_count = 0;
5790 			}
5791 
5792 		} /* end of if ((psta = rtw_get_stainfo(pstapriv, passoc_res->network.MacAddress)) != NULL) */
5793 	} else if (is_client_associated_to_ibss(padapter)) {
5794 		/* linked IBSS mode */
5795 		/* for each assoc list entry to check the rx pkt counter */
5796 		for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
5797 			if (pmlmeinfo->FW_sta_info[i].status == 1) {
5798 				psta = pmlmeinfo->FW_sta_info[i].psta;
5799 
5800 				if (NULL == psta)
5801 					continue;
5802 
5803 				if (pmlmeinfo->FW_sta_info[i].rx_pkt == sta_rx_pkts(psta)) {
5804 
5805 					if (pmlmeinfo->FW_sta_info[i].retry < 3) {
5806 						pmlmeinfo->FW_sta_info[i].retry++;
5807 					} else{
5808 						pmlmeinfo->FW_sta_info[i].retry = 0;
5809 						pmlmeinfo->FW_sta_info[i].status = 0;
5810 						report_del_sta_event(padapter, psta->hwaddr
5811 							, 65535/*  indicate disconnect caused by no rx */
5812 						);
5813 					}
5814 				} else{
5815 					pmlmeinfo->FW_sta_info[i].retry = 0;
5816 					pmlmeinfo->FW_sta_info[i].rx_pkt = (u32)sta_rx_pkts(psta);
5817 				}
5818 			}
5819 		}
5820 
5821 		/* set_link_timer(pmlmeext, DISCONNECT_TO); */
5822 
5823 	}
5824 
5825 }
5826 
survey_timer_hdl(struct timer_list * t)5827 void survey_timer_hdl(struct timer_list *t)
5828 {
5829 	struct adapter *padapter =
5830 		from_timer(padapter, t, mlmeextpriv.survey_timer);
5831 	struct cmd_obj	*ph2c;
5832 	struct sitesurvey_parm	*psurveyPara;
5833 	struct cmd_priv 				*pcmdpriv = &padapter->cmdpriv;
5834 	struct mlme_ext_priv 	*pmlmeext = &padapter->mlmeextpriv;
5835 
5836 	/* DBG_871X("marc: survey timer\n"); */
5837 
5838 	/* issue rtw_sitesurvey_cmd */
5839 	if (pmlmeext->sitesurvey_res.state > SCAN_START) {
5840 		if (pmlmeext->sitesurvey_res.state ==  SCAN_PROCESS) {
5841 			pmlmeext->sitesurvey_res.channel_idx++;
5842 		}
5843 
5844 		if (pmlmeext->scan_abort) {
5845 			{
5846 				pmlmeext->sitesurvey_res.channel_idx = pmlmeext->sitesurvey_res.ch_num;
5847 				DBG_871X("%s idx:%d\n", __func__
5848 					, pmlmeext->sitesurvey_res.channel_idx
5849 				);
5850 			}
5851 
5852 			pmlmeext->scan_abort = false;/* reset */
5853 		}
5854 
5855 		ph2c = rtw_zmalloc(sizeof(struct cmd_obj));
5856 		if (ph2c == NULL) {
5857 			goto exit_survey_timer_hdl;
5858 		}
5859 
5860 		psurveyPara = rtw_zmalloc(sizeof(struct sitesurvey_parm));
5861 		if (psurveyPara == NULL) {
5862 			kfree((unsigned char *)ph2c);
5863 			goto exit_survey_timer_hdl;
5864 		}
5865 
5866 		init_h2fwcmd_w_parm_no_rsp(ph2c, psurveyPara, GEN_CMD_CODE(_SiteSurvey));
5867 		rtw_enqueue_cmd(pcmdpriv, ph2c);
5868 	}
5869 
5870 
5871 exit_survey_timer_hdl:
5872 
5873 	return;
5874 }
5875 
link_timer_hdl(struct timer_list * t)5876 void link_timer_hdl(struct timer_list *t)
5877 {
5878 	struct adapter *padapter =
5879 		from_timer(padapter, t, mlmeextpriv.link_timer);
5880 	/* static unsigned int		rx_pkt = 0; */
5881 	/* static u64				tx_cnt = 0; */
5882 	/* struct xmit_priv 	*pxmitpriv = &(padapter->xmitpriv); */
5883 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
5884 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
5885 	/* struct sta_priv 	*pstapriv = &padapter->stapriv; */
5886 
5887 
5888 	if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) {
5889 		DBG_871X("link_timer_hdl:no beacon while connecting\n");
5890 		pmlmeinfo->state = WIFI_FW_NULL_STATE;
5891 		report_join_res(padapter, -3);
5892 	} else if (pmlmeinfo->state & WIFI_FW_AUTH_STATE) {
5893 		/* re-auth timer */
5894 		if (++pmlmeinfo->reauth_count > REAUTH_LIMIT) {
5895 			/* if (pmlmeinfo->auth_algo != dot11AuthAlgrthm_Auto) */
5896 			/*  */
5897 				pmlmeinfo->state = 0;
5898 				report_join_res(padapter, -1);
5899 				return;
5900 			/*  */
5901 			/* else */
5902 			/*  */
5903 			/* 	pmlmeinfo->auth_algo = dot11AuthAlgrthm_Shared; */
5904 			/* 	pmlmeinfo->reauth_count = 0; */
5905 			/*  */
5906 		}
5907 
5908 		DBG_871X("link_timer_hdl: auth timeout and try again\n");
5909 		pmlmeinfo->auth_seq = 1;
5910 		issue_auth(padapter, NULL, 0);
5911 		set_link_timer(pmlmeext, REAUTH_TO);
5912 	} else if (pmlmeinfo->state & WIFI_FW_ASSOC_STATE) {
5913 		/* re-assoc timer */
5914 		if (++pmlmeinfo->reassoc_count > REASSOC_LIMIT) {
5915 			pmlmeinfo->state = WIFI_FW_NULL_STATE;
5916 			report_join_res(padapter, -2);
5917 			return;
5918 		}
5919 
5920 		DBG_871X("link_timer_hdl: assoc timeout and try again\n");
5921 		issue_assocreq(padapter);
5922 		set_link_timer(pmlmeext, REASSOC_TO);
5923 	}
5924 
5925 	return;
5926 }
5927 
addba_timer_hdl(struct timer_list * t)5928 void addba_timer_hdl(struct timer_list *t)
5929 {
5930 	struct sta_info *psta = from_timer(psta, t, addba_retry_timer);
5931 	struct ht_priv *phtpriv;
5932 
5933 	if (!psta)
5934 		return;
5935 
5936 	phtpriv = &psta->htpriv;
5937 
5938 	if (phtpriv->ht_option && phtpriv->ampdu_enable) {
5939 		if (phtpriv->candidate_tid_bitmap)
5940 			phtpriv->candidate_tid_bitmap = 0x0;
5941 
5942 	}
5943 }
5944 
sa_query_timer_hdl(struct timer_list * t)5945 void sa_query_timer_hdl(struct timer_list *t)
5946 {
5947 	struct adapter *padapter =
5948 		from_timer(padapter, t, mlmeextpriv.sa_query_timer);
5949 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
5950 	/* disconnect */
5951 	spin_lock_bh(&pmlmepriv->lock);
5952 
5953 	if (check_fwstate(pmlmepriv, _FW_LINKED)) {
5954 		rtw_disassoc_cmd(padapter, 0, true);
5955 		rtw_indicate_disconnect(padapter);
5956 		rtw_free_assoc_resources(padapter, 1);
5957 	}
5958 
5959 	spin_unlock_bh(&pmlmepriv->lock);
5960 	DBG_871X("SA query timeout disconnect\n");
5961 }
5962 
NULL_hdl(struct adapter * padapter,u8 * pbuf)5963 u8 NULL_hdl(struct adapter *padapter, u8 *pbuf)
5964 {
5965 	return H2C_SUCCESS;
5966 }
5967 
5968 #ifdef CONFIG_AUTO_AP_MODE
rtw_auto_ap_start_beacon(struct adapter * adapter)5969 static int rtw_auto_ap_start_beacon(struct adapter *adapter)
5970 {
5971 	int ret = 0;
5972 	u8 *pbuf = NULL;
5973 	uint len;
5974 	u8 supportRate[16];
5975 	int	sz = 0, rateLen;
5976 	u8 *ie;
5977 	u8 wireless_mode, oper_channel;
5978 	u8 ssid[3] = {0}; /* hidden ssid */
5979 	u32 ssid_len = sizeof(ssid);
5980 	struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
5981 
5982 
5983 	if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
5984 		return -EINVAL;
5985 
5986 
5987 	len = 128;
5988 	pbuf = rtw_zmalloc(len);
5989 	if (!pbuf)
5990 		return -ENOMEM;
5991 
5992 
5993 	/* generate beacon */
5994 	ie = pbuf;
5995 
5996 	/* timestamp will be inserted by hardware */
5997 	sz += 8;
5998 	ie += sz;
5999 
6000 	/* beacon interval : 2bytes */
6001 	*(u16 *)ie = cpu_to_le16((u16)100);/* BCN_INTERVAL = 100; */
6002 	sz += 2;
6003 	ie += 2;
6004 
6005 	/* capability info */
6006 	*(u16 *)ie = 0;
6007 	*(u16 *)ie |= cpu_to_le16(cap_ESS);
6008 	*(u16 *)ie |= cpu_to_le16(cap_ShortPremble);
6009 	/* u16*)ie |= cpu_to_le16(cap_Privacy); */
6010 	sz += 2;
6011 	ie += 2;
6012 
6013 	/* SSID */
6014 	ie = rtw_set_ie(ie, _SSID_IE_, ssid_len, ssid, &sz);
6015 
6016 	/* supported rates */
6017 	wireless_mode = WIRELESS_11BG_24N;
6018 	rtw_set_supported_rate(supportRate, wireless_mode);
6019 	rateLen = rtw_get_rateset_len(supportRate);
6020 	if (rateLen > 8) {
6021 		ie = rtw_set_ie(ie, _SUPPORTEDRATES_IE_, 8, supportRate, &sz);
6022 	} else{
6023 		ie = rtw_set_ie(ie, _SUPPORTEDRATES_IE_, rateLen, supportRate, &sz);
6024 	}
6025 
6026 
6027 	/* DS parameter set */
6028 	if (check_buddy_fwstate(adapter, _FW_LINKED) &&
6029 		check_buddy_fwstate(adapter, WIFI_STATION_STATE)) {
6030 		struct adapter *pbuddystruct adapter = adapter->pbuddystruct adapter;
6031 		struct mlme_ext_priv *pbuddy_mlmeext  = &pbuddystruct adapter->mlmeextpriv;
6032 
6033 		oper_channel = pbuddy_mlmeext->cur_channel;
6034 	} else{
6035 		oper_channel = adapter_to_dvobj(adapter)->oper_channel;
6036 	}
6037 	ie = rtw_set_ie(ie, _DSSET_IE_, 1, &oper_channel, &sz);
6038 
6039 	/* ext supported rates */
6040 	if (rateLen > 8) {
6041 		ie = rtw_set_ie(ie, _EXT_SUPPORTEDRATES_IE_, (rateLen - 8), (supportRate + 8), &sz);
6042 	}
6043 
6044 	DBG_871X("%s, start auto ap beacon sz =%d\n", __func__, sz);
6045 
6046 	/* lunch ap mode & start to issue beacon */
6047 	if (rtw_check_beacon_data(adapter, pbuf,  sz) == _SUCCESS) {
6048 
6049 	} else{
6050 		ret = -EINVAL;
6051 	}
6052 
6053 
6054 	kfree(pbuf);
6055 
6056 	return ret;
6057 
6058 }
6059 #endif/* CONFIG_AUTO_AP_MODE */
6060 
setopmode_hdl(struct adapter * padapter,u8 * pbuf)6061 u8 setopmode_hdl(struct adapter *padapter, u8 *pbuf)
6062 {
6063 	u8 type;
6064 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6065 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
6066 	struct setopmode_parm *psetop = (struct setopmode_parm *)pbuf;
6067 
6068 	if (psetop->mode == Ndis802_11APMode) {
6069 		pmlmeinfo->state = WIFI_FW_AP_STATE;
6070 		type = _HW_STATE_AP_;
6071 		/* start_ap_mode(padapter); */
6072 	} else if (psetop->mode == Ndis802_11Infrastructure) {
6073 		pmlmeinfo->state &= ~(BIT(0)|BIT(1));/*  clear state */
6074 		pmlmeinfo->state |= WIFI_FW_STATION_STATE;/* set to	STATION_STATE */
6075 		type = _HW_STATE_STATION_;
6076 	} else if (psetop->mode == Ndis802_11IBSS) {
6077 		type = _HW_STATE_ADHOC_;
6078 	} else{
6079 		type = _HW_STATE_NOLINK_;
6080 	}
6081 
6082 	rtw_hal_set_hwreg(padapter, HW_VAR_SET_OPMODE, (u8 *)(&type));
6083 	/* Set_NETYPE0_MSR(padapter, type); */
6084 
6085 
6086 #ifdef CONFIG_AUTO_AP_MODE
6087 	if (psetop->mode == Ndis802_11APMode)
6088 		rtw_auto_ap_start_beacon(padapter);
6089 #endif
6090 
6091 	if (rtw_port_switch_chk(padapter)) {
6092 		rtw_hal_set_hwreg(padapter, HW_VAR_PORT_SWITCH, NULL);
6093 
6094 		if (psetop->mode == Ndis802_11APMode)
6095 			adapter_to_pwrctl(padapter)->fw_psmode_iface_id = 0xff; /* ap mode won't dowload rsvd pages */
6096 		else if (psetop->mode == Ndis802_11Infrastructure) {
6097 			struct adapter *port0_iface = dvobj_get_port0_adapter(adapter_to_dvobj(padapter));
6098 			if (port0_iface)
6099 				rtw_lps_ctrl_wk_cmd(port0_iface, LPS_CTRL_CONNECT, 0);
6100 		}
6101 	}
6102 
6103 	if (psetop->mode == Ndis802_11APMode) {
6104 		/*  Do this after port switch to */
6105 		/*  prevent from downloading rsvd page to wrong port */
6106 		rtw_btcoex_MediaStatusNotify(padapter, 1); /* connect */
6107 	}
6108 
6109 	return H2C_SUCCESS;
6110 
6111 }
6112 
createbss_hdl(struct adapter * padapter,u8 * pbuf)6113 u8 createbss_hdl(struct adapter *padapter, u8 *pbuf)
6114 {
6115 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6116 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
6117 	struct wlan_bssid_ex	*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
6118 	struct joinbss_parm *pparm = (struct joinbss_parm *)pbuf;
6119 	/* u32 initialgain; */
6120 
6121 	if (pmlmeinfo->state == WIFI_FW_AP_STATE) {
6122 		struct wlan_bssid_ex *network = &padapter->mlmepriv.cur_network.network;
6123 		start_bss_network(padapter, (u8 *)network);
6124 		return H2C_SUCCESS;
6125 	}
6126 
6127 	/* below is for ad-hoc master */
6128 	if (pparm->network.InfrastructureMode == Ndis802_11IBSS) {
6129 		rtw_joinbss_reset(padapter);
6130 
6131 		pmlmeext->cur_bwmode = CHANNEL_WIDTH_20;
6132 		pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
6133 		pmlmeinfo->ERP_enable = 0;
6134 		pmlmeinfo->WMM_enable = 0;
6135 		pmlmeinfo->HT_enable = 0;
6136 		pmlmeinfo->HT_caps_enable = 0;
6137 		pmlmeinfo->HT_info_enable = 0;
6138 		pmlmeinfo->agg_enable_bitmap = 0;
6139 		pmlmeinfo->candidate_tid_bitmap = 0;
6140 
6141 		/* disable dynamic functions, such as high power, DIG */
6142 		Save_DM_Func_Flag(padapter);
6143 		Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false);
6144 
6145 		/* config the initial gain under linking, need to write the BB registers */
6146 		/* initialgain = 0x1E; */
6147 		/* rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain)); */
6148 
6149 		/* cancel link timer */
6150 		del_timer_sync(&pmlmeext->link_timer);
6151 
6152 		/* clear CAM */
6153 		flush_all_cam_entry(padapter);
6154 
6155 		memcpy(pnetwork, pbuf, FIELD_OFFSET(struct wlan_bssid_ex, IELength));
6156 		pnetwork->IELength = ((struct wlan_bssid_ex *)pbuf)->IELength;
6157 
6158 		if (pnetwork->IELength > MAX_IE_SZ)/* Check pbuf->IELength */
6159 			return H2C_PARAMETERS_ERROR;
6160 
6161 		memcpy(pnetwork->IEs, ((struct wlan_bssid_ex *)pbuf)->IEs, pnetwork->IELength);
6162 
6163 		start_create_ibss(padapter);
6164 
6165 	}
6166 
6167 	return H2C_SUCCESS;
6168 
6169 }
6170 
join_cmd_hdl(struct adapter * padapter,u8 * pbuf)6171 u8 join_cmd_hdl(struct adapter *padapter, u8 *pbuf)
6172 {
6173 	u8 join_type;
6174 	struct ndis_80211_var_ie *pIE;
6175 	struct registry_priv *pregpriv = &padapter->registrypriv;
6176 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6177 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
6178 	struct wlan_bssid_ex		*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
6179 	u32 i;
6180 	u8 cbw40_enable = 0;
6181 	/* u32 initialgain; */
6182 	/* u32 acparm; */
6183 	u8 ch, bw, offset;
6184 
6185 	/* check already connecting to AP or not */
6186 	if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) {
6187 		if (pmlmeinfo->state & WIFI_FW_STATION_STATE) {
6188 			issue_deauth_ex(padapter, pnetwork->MacAddress, WLAN_REASON_DEAUTH_LEAVING, 1, 100);
6189 		}
6190 		pmlmeinfo->state = WIFI_FW_NULL_STATE;
6191 
6192 		/* clear CAM */
6193 		flush_all_cam_entry(padapter);
6194 
6195 		del_timer_sync(&pmlmeext->link_timer);
6196 
6197 		/* set MSR to nolink -> infra. mode */
6198 		/* Set_MSR(padapter, _HW_STATE_NOLINK_); */
6199 		Set_MSR(padapter, _HW_STATE_STATION_);
6200 
6201 
6202 		rtw_hal_set_hwreg(padapter, HW_VAR_MLME_DISCONNECT, NULL);
6203 	}
6204 
6205 	rtw_joinbss_reset(padapter);
6206 
6207 	pmlmeext->cur_bwmode = CHANNEL_WIDTH_20;
6208 	pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
6209 	pmlmeinfo->ERP_enable = 0;
6210 	pmlmeinfo->WMM_enable = 0;
6211 	pmlmeinfo->HT_enable = 0;
6212 	pmlmeinfo->HT_caps_enable = 0;
6213 	pmlmeinfo->HT_info_enable = 0;
6214 	pmlmeinfo->agg_enable_bitmap = 0;
6215 	pmlmeinfo->candidate_tid_bitmap = 0;
6216 	pmlmeinfo->bwmode_updated = false;
6217 	/* pmlmeinfo->assoc_AP_vendor = HT_IOT_PEER_MAX; */
6218 	pmlmeinfo->VHT_enable = 0;
6219 
6220 	memcpy(pnetwork, pbuf, FIELD_OFFSET(struct wlan_bssid_ex, IELength));
6221 	pnetwork->IELength = ((struct wlan_bssid_ex *)pbuf)->IELength;
6222 
6223 	if (pnetwork->IELength > MAX_IE_SZ)/* Check pbuf->IELength */
6224 		return H2C_PARAMETERS_ERROR;
6225 
6226 	memcpy(pnetwork->IEs, ((struct wlan_bssid_ex *)pbuf)->IEs, pnetwork->IELength);
6227 
6228 	pmlmeext->cur_channel = (u8)pnetwork->Configuration.DSConfig;
6229 	pmlmeinfo->bcn_interval = get_beacon_interval(pnetwork);
6230 
6231 	/* Check AP vendor to move rtw_joinbss_cmd() */
6232 	/* pmlmeinfo->assoc_AP_vendor = check_assoc_AP(pnetwork->IEs, pnetwork->IELength); */
6233 
6234 	/* sizeof(struct ndis_802_11_fix_ie) */
6235 	for (i = _FIXED_IE_LENGTH_; i < pnetwork->IELength;) {
6236 		pIE = (struct ndis_80211_var_ie *)(pnetwork->IEs + i);
6237 
6238 		switch (pIE->ElementID) {
6239 		case _VENDOR_SPECIFIC_IE_:/* Get WMM IE. */
6240 			if (!memcmp(pIE->data, WMM_OUI, 4))
6241 				WMM_param_handler(padapter, pIE);
6242 			break;
6243 
6244 		case _HT_CAPABILITY_IE_:	/* Get HT Cap IE. */
6245 			pmlmeinfo->HT_caps_enable = 1;
6246 			break;
6247 
6248 		case _HT_EXTRA_INFO_IE_:	/* Get HT Info IE. */
6249 			pmlmeinfo->HT_info_enable = 1;
6250 
6251 			/* spec case only for cisco's ap because cisco's ap issue assoc rsp using mcs rate @40MHz or @20MHz */
6252 			{
6253 				struct HT_info_element *pht_info = (struct HT_info_element *)(pIE->data);
6254 
6255 				if (pnetwork->Configuration.DSConfig > 14) {
6256 					if ((pregpriv->bw_mode >> 4) > CHANNEL_WIDTH_20)
6257 						cbw40_enable = 1;
6258 				} else {
6259 					if ((pregpriv->bw_mode & 0x0f) > CHANNEL_WIDTH_20)
6260 						cbw40_enable = 1;
6261 				}
6262 
6263 				if ((cbw40_enable) && (pht_info->infos[0] & BIT(2))) {
6264 					/* switch to the 40M Hz mode according to the AP */
6265 					pmlmeext->cur_bwmode = CHANNEL_WIDTH_40;
6266 					switch (pht_info->infos[0] & 0x3) {
6267 					case 1:
6268 						pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
6269 						break;
6270 
6271 					case 3:
6272 						pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
6273 						break;
6274 
6275 					default:
6276 						pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
6277 						pmlmeext->cur_bwmode = CHANNEL_WIDTH_20;
6278 						break;
6279 					}
6280 
6281 					DBG_871X("set HT ch/bw before connected\n");
6282 				}
6283 			}
6284 			break;
6285 		default:
6286 			break;
6287 		}
6288 
6289 		i += (pIE->Length + 2);
6290 	}
6291 
6292 	/* check channel, bandwidth, offset and switch */
6293 	if (rtw_chk_start_clnt_join(padapter, &ch, &bw, &offset) == _FAIL) {
6294 		report_join_res(padapter, (-4));
6295 		return H2C_SUCCESS;
6296 	}
6297 
6298 	/* disable dynamic functions, such as high power, DIG */
6299 	/* Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false); */
6300 
6301 	/* config the initial gain under linking, need to write the BB registers */
6302 	/* initialgain = 0x1E; */
6303 	/* rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain)); */
6304 
6305 	rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pmlmeinfo->network.MacAddress);
6306 	join_type = 0;
6307 	rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
6308 	rtw_hal_set_hwreg(padapter, HW_VAR_DO_IQK, NULL);
6309 
6310 	set_channel_bwmode(padapter, ch, offset, bw);
6311 
6312 	/* cancel link timer */
6313 	del_timer_sync(&pmlmeext->link_timer);
6314 
6315 	start_clnt_join(padapter);
6316 
6317 	return H2C_SUCCESS;
6318 
6319 }
6320 
disconnect_hdl(struct adapter * padapter,unsigned char * pbuf)6321 u8 disconnect_hdl(struct adapter *padapter, unsigned char *pbuf)
6322 {
6323 	struct disconnect_parm *param = (struct disconnect_parm *)pbuf;
6324 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6325 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
6326 	struct wlan_bssid_ex		*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
6327 	u8 val8;
6328 
6329 	if (is_client_associated_to_ap(padapter)) {
6330 			issue_deauth_ex(padapter, pnetwork->MacAddress, WLAN_REASON_DEAUTH_LEAVING, param->deauth_timeout_ms/100, 100);
6331 	}
6332 
6333 	if (((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) || ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)) {
6334 		/* Stop BCN */
6335 		val8 = 0;
6336 		rtw_hal_set_hwreg(padapter, HW_VAR_BCN_FUNC, (u8 *)(&val8));
6337 	}
6338 
6339 	rtw_mlmeext_disconnect(padapter);
6340 
6341 	rtw_free_uc_swdec_pending_queue(padapter);
6342 
6343 	return	H2C_SUCCESS;
6344 }
6345 
rtw_scan_ch_decision(struct adapter * padapter,struct rtw_ieee80211_channel * out,u32 out_num,struct rtw_ieee80211_channel * in,u32 in_num)6346 static int rtw_scan_ch_decision(struct adapter *padapter, struct rtw_ieee80211_channel *out,
6347 	u32 out_num, struct rtw_ieee80211_channel *in, u32 in_num)
6348 {
6349 	int i, j;
6350 	int set_idx;
6351 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6352 
6353 	/* clear first */
6354 	memset(out, 0, sizeof(struct rtw_ieee80211_channel)*out_num);
6355 
6356 	/* acquire channels from in */
6357 	j = 0;
6358 	for (i = 0; i < in_num; i++) {
6359 
6360 		DBG_871X(FUNC_ADPT_FMT" "CHAN_FMT"\n", FUNC_ADPT_ARG(padapter), CHAN_ARG(&in[i]));
6361 
6362 		set_idx = rtw_ch_set_search_ch(pmlmeext->channel_set, in[i].hw_value);
6363 		if (in[i].hw_value && !(in[i].flags & RTW_IEEE80211_CHAN_DISABLED)
6364 			&& set_idx >= 0
6365 			&& rtw_mlme_band_check(padapter, in[i].hw_value)
6366 		) {
6367 			if (j >= out_num) {
6368 				DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" out_num:%u not enough\n",
6369 					FUNC_ADPT_ARG(padapter), out_num);
6370 				break;
6371 			}
6372 
6373 			memcpy(&out[j], &in[i], sizeof(struct rtw_ieee80211_channel));
6374 
6375 			if (pmlmeext->channel_set[set_idx].ScanType == SCAN_PASSIVE)
6376 				out[j].flags |= RTW_IEEE80211_CHAN_PASSIVE_SCAN;
6377 
6378 			j++;
6379 		}
6380 		if (j >= out_num)
6381 			break;
6382 	}
6383 
6384 	/* if out is empty, use channel_set as default */
6385 	if (j == 0) {
6386 		for (i = 0; i < pmlmeext->max_chan_nums; i++) {
6387 
6388 			DBG_871X(FUNC_ADPT_FMT" ch:%u\n", FUNC_ADPT_ARG(padapter), pmlmeext->channel_set[i].ChannelNum);
6389 
6390 			if (rtw_mlme_band_check(padapter, pmlmeext->channel_set[i].ChannelNum)) {
6391 
6392 				if (j >= out_num) {
6393 					DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" out_num:%u not enough\n",
6394 						FUNC_ADPT_ARG(padapter), out_num);
6395 					break;
6396 				}
6397 
6398 				out[j].hw_value = pmlmeext->channel_set[i].ChannelNum;
6399 
6400 				if (pmlmeext->channel_set[i].ScanType == SCAN_PASSIVE)
6401 					out[j].flags |= RTW_IEEE80211_CHAN_PASSIVE_SCAN;
6402 
6403 				j++;
6404 			}
6405 		}
6406 	}
6407 
6408 	return j;
6409 }
6410 
sitesurvey_cmd_hdl(struct adapter * padapter,u8 * pbuf)6411 u8 sitesurvey_cmd_hdl(struct adapter *padapter, u8 *pbuf)
6412 {
6413 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6414 	struct sitesurvey_parm	*pparm = (struct sitesurvey_parm *)pbuf;
6415 	u8 bdelayscan = false;
6416 	u8 val8;
6417 	u32 initialgain;
6418 	u32 i;
6419 
6420 	if (pmlmeext->sitesurvey_res.state == SCAN_DISABLE) {
6421 		pmlmeext->sitesurvey_res.state = SCAN_START;
6422 		pmlmeext->sitesurvey_res.bss_cnt = 0;
6423 		pmlmeext->sitesurvey_res.channel_idx = 0;
6424 
6425 		for (i = 0; i < RTW_SSID_SCAN_AMOUNT; i++) {
6426 			if (pparm->ssid[i].SsidLength) {
6427 				memcpy(pmlmeext->sitesurvey_res.ssid[i].Ssid, pparm->ssid[i].Ssid, IW_ESSID_MAX_SIZE);
6428 				pmlmeext->sitesurvey_res.ssid[i].SsidLength = pparm->ssid[i].SsidLength;
6429 			} else {
6430 				pmlmeext->sitesurvey_res.ssid[i].SsidLength = 0;
6431 			}
6432 		}
6433 
6434 		pmlmeext->sitesurvey_res.ch_num = rtw_scan_ch_decision(padapter
6435 			, pmlmeext->sitesurvey_res.ch, RTW_CHANNEL_SCAN_AMOUNT
6436 			, pparm->ch, pparm->ch_num
6437 		);
6438 
6439 		pmlmeext->sitesurvey_res.scan_mode = pparm->scan_mode;
6440 
6441 		/* issue null data if associating to the AP */
6442 		if (is_client_associated_to_ap(padapter)) {
6443 			pmlmeext->sitesurvey_res.state = SCAN_TXNULL;
6444 
6445 			issue_nulldata(padapter, NULL, 1, 3, 500);
6446 
6447 			bdelayscan = true;
6448 		}
6449 		if (bdelayscan) {
6450 			/* delay 50ms to protect nulldata(1). */
6451 			set_survey_timer(pmlmeext, 50);
6452 			return H2C_SUCCESS;
6453 		}
6454 	}
6455 
6456 	if ((pmlmeext->sitesurvey_res.state == SCAN_START) || (pmlmeext->sitesurvey_res.state == SCAN_TXNULL)) {
6457 		/* disable dynamic functions, such as high power, DIG */
6458 		Save_DM_Func_Flag(padapter);
6459 		Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false);
6460 
6461 		/* config the initial gain under scaning, need to write the BB registers */
6462 		initialgain = 0x1e;
6463 
6464 		rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain));
6465 
6466 		/* set MSR to no link state */
6467 		Set_MSR(padapter, _HW_STATE_NOLINK_);
6468 
6469 		val8 = 1; /* under site survey */
6470 		rtw_hal_set_hwreg(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8));
6471 
6472 		pmlmeext->sitesurvey_res.state = SCAN_PROCESS;
6473 	}
6474 
6475 	site_survey(padapter);
6476 
6477 	return H2C_SUCCESS;
6478 
6479 }
6480 
setauth_hdl(struct adapter * padapter,unsigned char * pbuf)6481 u8 setauth_hdl(struct adapter *padapter, unsigned char *pbuf)
6482 {
6483 	struct setauth_parm		*pparm = (struct setauth_parm *)pbuf;
6484 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6485 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
6486 
6487 	if (pparm->mode < 4) {
6488 		pmlmeinfo->auth_algo = pparm->mode;
6489 	}
6490 
6491 	return	H2C_SUCCESS;
6492 }
6493 
setkey_hdl(struct adapter * padapter,u8 * pbuf)6494 u8 setkey_hdl(struct adapter *padapter, u8 *pbuf)
6495 {
6496 	u16 ctrl = 0;
6497 	s16 cam_id = 0;
6498 	struct setkey_parm		*pparm = (struct setkey_parm *)pbuf;
6499 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6500 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
6501 	unsigned char null_addr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
6502 	u8 *addr;
6503 
6504 	/* main tx key for wep. */
6505 	if (pparm->set_tx)
6506 		pmlmeinfo->key_index = pparm->keyid;
6507 
6508 	cam_id = rtw_camid_alloc(padapter, NULL, pparm->keyid);
6509 
6510 	if (cam_id < 0) {
6511 	} else {
6512 		if (cam_id > 3) /* not default key, searched by A2 */
6513 			addr = get_bssid(&padapter->mlmepriv);
6514 		else
6515 			addr = null_addr;
6516 
6517 		ctrl = BIT(15) | BIT6 | ((pparm->algorithm) << 2) | pparm->keyid;
6518 		write_cam(padapter, cam_id, ctrl, addr, pparm->key);
6519 		DBG_871X_LEVEL(_drv_always_, "set group key camid:%d, addr:"MAC_FMT", kid:%d, type:%s\n"
6520 			, cam_id, MAC_ARG(addr), pparm->keyid, security_type_str(pparm->algorithm));
6521 	}
6522 
6523 	if (cam_id >= 0 && cam_id <= 3)
6524 		rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)true);
6525 
6526 	/* allow multicast packets to driver */
6527 	padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_ON_RCR_AM, null_addr);
6528 
6529 	return H2C_SUCCESS;
6530 }
6531 
set_stakey_hdl(struct adapter * padapter,u8 * pbuf)6532 u8 set_stakey_hdl(struct adapter *padapter, u8 *pbuf)
6533 {
6534 	u16 ctrl = 0;
6535 	s16 cam_id = 0;
6536 	u8 ret = H2C_SUCCESS;
6537 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6538 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
6539 	struct set_stakey_parm	*pparm = (struct set_stakey_parm *)pbuf;
6540 	struct sta_priv *pstapriv = &padapter->stapriv;
6541 	struct sta_info *psta;
6542 
6543 	if (pparm->algorithm == _NO_PRIVACY_)
6544 		goto write_to_cam;
6545 
6546 	psta = rtw_get_stainfo(pstapriv, pparm->addr);
6547 	if (!psta) {
6548 		DBG_871X_LEVEL(_drv_always_, "%s sta:"MAC_FMT" not found\n", __func__, MAC_ARG(pparm->addr));
6549 		ret = H2C_REJECTED;
6550 		goto exit;
6551 	}
6552 
6553 	pmlmeinfo->enc_algo = pparm->algorithm;
6554 	cam_id = rtw_camid_alloc(padapter, psta, 0);
6555 	if (cam_id < 0)
6556 		goto exit;
6557 
6558 write_to_cam:
6559 	if (pparm->algorithm == _NO_PRIVACY_) {
6560 		while ((cam_id = rtw_camid_search(padapter, pparm->addr, -1)) >= 0) {
6561 			DBG_871X_LEVEL(_drv_always_, "clear key for addr:"MAC_FMT", camid:%d\n", MAC_ARG(pparm->addr), cam_id);
6562 			clear_cam_entry(padapter, cam_id);
6563 			rtw_camid_free(padapter, cam_id);
6564 		}
6565 	} else {
6566 		DBG_871X_LEVEL(_drv_always_, "set pairwise key camid:%d, addr:"MAC_FMT", kid:%d, type:%s\n",
6567 			cam_id, MAC_ARG(pparm->addr), pparm->keyid, security_type_str(pparm->algorithm));
6568 		ctrl = BIT(15) | ((pparm->algorithm) << 2) | pparm->keyid;
6569 		write_cam(padapter, cam_id, ctrl, pparm->addr, pparm->key);
6570 	}
6571 	ret = H2C_SUCCESS_RSP;
6572 
6573 exit:
6574 	return ret;
6575 }
6576 
add_ba_hdl(struct adapter * padapter,unsigned char * pbuf)6577 u8 add_ba_hdl(struct adapter *padapter, unsigned char *pbuf)
6578 {
6579 	struct addBaReq_parm	*pparm = (struct addBaReq_parm *)pbuf;
6580 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6581 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
6582 
6583 	struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, pparm->addr);
6584 
6585 	if (!psta)
6586 		return	H2C_SUCCESS;
6587 
6588 	if (((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && (pmlmeinfo->HT_enable)) ||
6589 		((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)) {
6590 		/* pmlmeinfo->ADDBA_retry_count = 0; */
6591 		/* pmlmeinfo->candidate_tid_bitmap |= (0x1 << pparm->tid); */
6592 		/* psta->htpriv.candidate_tid_bitmap |= BIT(pparm->tid); */
6593 		issue_action_BA(padapter, pparm->addr, RTW_WLAN_ACTION_ADDBA_REQ, (u16)pparm->tid);
6594 		/* _set_timer(&pmlmeext->ADDBA_timer, ADDBA_TO); */
6595 		_set_timer(&psta->addba_retry_timer, ADDBA_TO);
6596 	} else{
6597 		psta->htpriv.candidate_tid_bitmap &= ~BIT(pparm->tid);
6598 	}
6599 	return	H2C_SUCCESS;
6600 }
6601 
6602 
chk_bmc_sleepq_cmd(struct adapter * padapter)6603 u8 chk_bmc_sleepq_cmd(struct adapter *padapter)
6604 {
6605 	struct cmd_obj *ph2c;
6606 	struct cmd_priv *pcmdpriv = &(padapter->cmdpriv);
6607 	u8 res = _SUCCESS;
6608 
6609 	ph2c = rtw_zmalloc(sizeof(struct cmd_obj));
6610 	if (ph2c == NULL) {
6611 		res = _FAIL;
6612 		goto exit;
6613 	}
6614 
6615 	init_h2fwcmd_w_parm_no_parm_rsp(ph2c, GEN_CMD_CODE(_ChkBMCSleepq));
6616 
6617 	res = rtw_enqueue_cmd(pcmdpriv, ph2c);
6618 
6619 exit:
6620 	return res;
6621 }
6622 
set_tx_beacon_cmd(struct adapter * padapter)6623 u8 set_tx_beacon_cmd(struct adapter *padapter)
6624 {
6625 	struct cmd_obj	*ph2c;
6626 	struct Tx_Beacon_param	*ptxBeacon_parm;
6627 	struct cmd_priv *pcmdpriv = &(padapter->cmdpriv);
6628 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6629 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
6630 	u8 res = _SUCCESS;
6631 	int len_diff = 0;
6632 
6633 	ph2c = rtw_zmalloc(sizeof(struct cmd_obj));
6634 	if (ph2c == NULL) {
6635 		res = _FAIL;
6636 		goto exit;
6637 	}
6638 
6639 	ptxBeacon_parm = rtw_zmalloc(sizeof(struct Tx_Beacon_param));
6640 	if (ptxBeacon_parm == NULL) {
6641 		kfree((unsigned char *)ph2c);
6642 		res = _FAIL;
6643 		goto exit;
6644 	}
6645 
6646 	memcpy(&(ptxBeacon_parm->network), &(pmlmeinfo->network), sizeof(struct wlan_bssid_ex));
6647 
6648 	len_diff = update_hidden_ssid(
6649 		ptxBeacon_parm->network.IEs+_BEACON_IE_OFFSET_
6650 		, ptxBeacon_parm->network.IELength-_BEACON_IE_OFFSET_
6651 		, pmlmeinfo->hidden_ssid_mode
6652 	);
6653 	ptxBeacon_parm->network.IELength += len_diff;
6654 
6655 	init_h2fwcmd_w_parm_no_rsp(ph2c, ptxBeacon_parm, GEN_CMD_CODE(_TX_Beacon));
6656 
6657 	res = rtw_enqueue_cmd(pcmdpriv, ph2c);
6658 
6659 exit:
6660 	return res;
6661 }
6662 
6663 
mlme_evt_hdl(struct adapter * padapter,unsigned char * pbuf)6664 u8 mlme_evt_hdl(struct adapter *padapter, unsigned char *pbuf)
6665 {
6666 	u8 evt_code, evt_seq;
6667 	u16 evt_sz;
6668 	uint	*peventbuf;
6669 	void (*event_callback)(struct adapter *dev, u8 *pbuf);
6670 	struct evt_priv *pevt_priv = &(padapter->evtpriv);
6671 
6672 	if (pbuf == NULL)
6673 		goto _abort_event_;
6674 
6675 	peventbuf = (uint *)pbuf;
6676 	evt_sz = (u16)(*peventbuf&0xffff);
6677 	evt_seq = (u8)((*peventbuf>>24)&0x7f);
6678 	evt_code = (u8)((*peventbuf>>16)&0xff);
6679 
6680 
6681 	#ifdef CHECK_EVENT_SEQ
6682 	/*  checking event sequence... */
6683 	if (evt_seq != (atomic_read(&pevt_priv->event_seq) & 0x7f)) {
6684 		RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_,
6685 			 ("Event Seq Error! %d vs %d\n", (evt_seq & 0x7f),
6686 			  (atomic_read(&pevt_priv->event_seq) & 0x7f)));
6687 
6688 		pevt_priv->event_seq = (evt_seq+1)&0x7f;
6689 
6690 		goto _abort_event_;
6691 	}
6692 	#endif
6693 
6694 	/*  checking if event code is valid */
6695 	if (evt_code >= MAX_C2HEVT) {
6696 		RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\nEvent Code(%d) mismatch!\n", evt_code));
6697 		goto _abort_event_;
6698 	}
6699 
6700 	/*  checking if event size match the event parm size */
6701 	if ((wlanevents[evt_code].parmsize != 0) &&
6702 			(wlanevents[evt_code].parmsize != evt_sz)) {
6703 
6704 		RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\nEvent(%d) Parm Size mismatch (%d vs %d)!\n",
6705 			evt_code, wlanevents[evt_code].parmsize, evt_sz));
6706 		goto _abort_event_;
6707 
6708 	}
6709 
6710 	atomic_inc(&pevt_priv->event_seq);
6711 
6712 	peventbuf += 2;
6713 
6714 	if (peventbuf) {
6715 		event_callback = wlanevents[evt_code].event_callback;
6716 		event_callback(padapter, (u8 *)peventbuf);
6717 
6718 		pevt_priv->evt_done_cnt++;
6719 	}
6720 
6721 
6722 _abort_event_:
6723 
6724 
6725 	return H2C_SUCCESS;
6726 
6727 }
6728 
h2c_msg_hdl(struct adapter * padapter,unsigned char * pbuf)6729 u8 h2c_msg_hdl(struct adapter *padapter, unsigned char *pbuf)
6730 {
6731 	if (!pbuf)
6732 		return H2C_PARAMETERS_ERROR;
6733 
6734 	return H2C_SUCCESS;
6735 }
6736 
chk_bmc_sleepq_hdl(struct adapter * padapter,unsigned char * pbuf)6737 u8 chk_bmc_sleepq_hdl(struct adapter *padapter, unsigned char *pbuf)
6738 {
6739 	struct sta_info *psta_bmc;
6740 	struct list_head	*xmitframe_plist, *xmitframe_phead;
6741 	struct xmit_frame *pxmitframe = NULL;
6742 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
6743 	struct sta_priv  *pstapriv = &padapter->stapriv;
6744 
6745 	/* for BC/MC Frames */
6746 	psta_bmc = rtw_get_bcmc_stainfo(padapter);
6747 	if (!psta_bmc)
6748 		return H2C_SUCCESS;
6749 
6750 	if ((pstapriv->tim_bitmap&BIT(0)) && (psta_bmc->sleepq_len > 0)) {
6751 		msleep(10);/*  10ms, ATIM(HIQ) Windows */
6752 
6753 		/* spin_lock_bh(&psta_bmc->sleep_q.lock); */
6754 		spin_lock_bh(&pxmitpriv->lock);
6755 
6756 		xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
6757 		xmitframe_plist = get_next(xmitframe_phead);
6758 
6759 		while (xmitframe_phead != xmitframe_plist) {
6760 			pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
6761 
6762 			xmitframe_plist = get_next(xmitframe_plist);
6763 
6764 			list_del_init(&pxmitframe->list);
6765 
6766 			psta_bmc->sleepq_len--;
6767 			if (psta_bmc->sleepq_len > 0)
6768 				pxmitframe->attrib.mdata = 1;
6769 			else
6770 				pxmitframe->attrib.mdata = 0;
6771 
6772 			pxmitframe->attrib.triggered = 1;
6773 
6774 			if (xmitframe_hiq_filter(pxmitframe))
6775 				pxmitframe->attrib.qsel = 0x11;/* HIQ */
6776 
6777 			rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
6778 		}
6779 
6780 		/* spin_unlock_bh(&psta_bmc->sleep_q.lock); */
6781 		spin_unlock_bh(&pxmitpriv->lock);
6782 
6783 		/* check hi queue and bmc_sleepq */
6784 		rtw_chk_hi_queue_cmd(padapter);
6785 	}
6786 
6787 	return H2C_SUCCESS;
6788 }
6789 
tx_beacon_hdl(struct adapter * padapter,unsigned char * pbuf)6790 u8 tx_beacon_hdl(struct adapter *padapter, unsigned char *pbuf)
6791 {
6792 	if (send_beacon(padapter) == _FAIL) {
6793 		DBG_871X("issue_beacon, fail!\n");
6794 		return H2C_PARAMETERS_ERROR;
6795 	}
6796 
6797 	/* tx bc/mc frames after update TIM */
6798 	chk_bmc_sleepq_hdl(padapter, NULL);
6799 
6800 	return H2C_SUCCESS;
6801 }
6802 
rtw_chk_start_clnt_join(struct adapter * padapter,u8 * ch,u8 * bw,u8 * offset)6803 int rtw_chk_start_clnt_join(struct adapter *padapter, u8 *ch, u8 *bw, u8 *offset)
6804 {
6805 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6806 	unsigned char cur_ch = pmlmeext->cur_channel;
6807 	unsigned char cur_bw = pmlmeext->cur_bwmode;
6808 	unsigned char cur_ch_offset = pmlmeext->cur_ch_offset;
6809 	bool connect_allow = true;
6810 
6811 	if (!ch || !bw || !offset) {
6812 		rtw_warn_on(1);
6813 		connect_allow = false;
6814 	}
6815 
6816 	if (connect_allow) {
6817 		DBG_871X("start_join_set_ch_bw: ch =%d, bwmode =%d, ch_offset =%d\n", cur_ch, cur_bw, cur_ch_offset);
6818 		*ch = cur_ch;
6819 		*bw = cur_bw;
6820 		*offset = cur_ch_offset;
6821 	}
6822 
6823 	return connect_allow == true ? _SUCCESS : _FAIL;
6824 }
6825 
6826 /* Find union about ch, bw, ch_offset of all linked/linking interfaces */
rtw_get_ch_setting_union(struct adapter * adapter,u8 * ch,u8 * bw,u8 * offset)6827 int rtw_get_ch_setting_union(struct adapter *adapter, u8 *ch, u8 *bw, u8 *offset)
6828 {
6829 	struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
6830 	struct adapter *iface;
6831 	struct mlme_ext_priv *mlmeext;
6832 	u8 ch_ret = 0;
6833 	u8 bw_ret = CHANNEL_WIDTH_20;
6834 	u8 offset_ret = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
6835 
6836 	if (ch)
6837 		*ch = 0;
6838 	if (bw)
6839 		*bw = CHANNEL_WIDTH_20;
6840 	if (offset)
6841 		*offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
6842 
6843 	iface = dvobj->padapters;
6844 	mlmeext = &iface->mlmeextpriv;
6845 
6846 	if (!check_fwstate(&iface->mlmepriv, _FW_LINKED|_FW_UNDER_LINKING))
6847 		return 0;
6848 
6849 	ch_ret = mlmeext->cur_channel;
6850 	bw_ret = mlmeext->cur_bwmode;
6851 	offset_ret = mlmeext->cur_ch_offset;
6852 
6853 	return 1;
6854 }
6855 
set_ch_hdl(struct adapter * padapter,u8 * pbuf)6856 u8 set_ch_hdl(struct adapter *padapter, u8 *pbuf)
6857 {
6858 	struct set_ch_parm *set_ch_parm;
6859 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6860 
6861 	if (!pbuf)
6862 		return H2C_PARAMETERS_ERROR;
6863 
6864 	set_ch_parm = (struct set_ch_parm *)pbuf;
6865 
6866 	DBG_871X(FUNC_NDEV_FMT" ch:%u, bw:%u, ch_offset:%u\n",
6867 		FUNC_NDEV_ARG(padapter->pnetdev),
6868 		set_ch_parm->ch, set_ch_parm->bw, set_ch_parm->ch_offset);
6869 
6870 	pmlmeext->cur_channel = set_ch_parm->ch;
6871 	pmlmeext->cur_ch_offset = set_ch_parm->ch_offset;
6872 	pmlmeext->cur_bwmode = set_ch_parm->bw;
6873 
6874 	set_channel_bwmode(padapter, set_ch_parm->ch, set_ch_parm->ch_offset, set_ch_parm->bw);
6875 
6876 	return	H2C_SUCCESS;
6877 }
6878 
set_chplan_hdl(struct adapter * padapter,unsigned char * pbuf)6879 u8 set_chplan_hdl(struct adapter *padapter, unsigned char *pbuf)
6880 {
6881 	struct SetChannelPlan_param *setChannelPlan_param;
6882 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
6883 
6884 	if (!pbuf)
6885 		return H2C_PARAMETERS_ERROR;
6886 
6887 	setChannelPlan_param = (struct SetChannelPlan_param *)pbuf;
6888 
6889 	pmlmeext->max_chan_nums = init_channel_set(padapter, setChannelPlan_param->channel_plan, pmlmeext->channel_set);
6890 	init_channel_list(padapter, pmlmeext->channel_set, pmlmeext->max_chan_nums, &pmlmeext->channel_list);
6891 
6892 	if ((padapter->rtw_wdev != NULL) && (padapter->rtw_wdev->wiphy)) {
6893 		struct regulatory_request request;
6894 		request.initiator = NL80211_REGDOM_SET_BY_DRIVER;
6895 		rtw_reg_notifier(padapter->rtw_wdev->wiphy, &request);
6896 	}
6897 
6898 	return	H2C_SUCCESS;
6899 }
6900 
led_blink_hdl(struct adapter * padapter,unsigned char * pbuf)6901 u8 led_blink_hdl(struct adapter *padapter, unsigned char *pbuf)
6902 {
6903 	struct LedBlink_param *ledBlink_param;
6904 
6905 	if (!pbuf)
6906 		return H2C_PARAMETERS_ERROR;
6907 
6908 	ledBlink_param = (struct LedBlink_param *)pbuf;
6909 	return	H2C_SUCCESS;
6910 }
6911 
set_csa_hdl(struct adapter * padapter,unsigned char * pbuf)6912 u8 set_csa_hdl(struct adapter *padapter, unsigned char *pbuf)
6913 {
6914 	return	H2C_REJECTED;
6915 }
6916 
6917 /*  TDLS_ESTABLISHED	: write RCR DATA BIT */
6918 /*  TDLS_CS_OFF		: go back to the channel linked with AP, terminating channel switch procedure */
6919 /*  TDLS_INIT_CH_SEN	: init channel sensing, receive all data and mgnt frame */
6920 /*  TDLS_DONE_CH_SEN: channel sensing and report candidate channel */
6921 /*  TDLS_OFF_CH		: first time set channel to off channel */
6922 /*  TDLS_BASE_CH		: go back tp the channel linked with AP when set base channel as target channel */
6923 /*  TDLS_P_OFF_CH	: periodically go to off channel */
6924 /*  TDLS_P_BASE_CH	: periodically go back to base channel */
6925 /*  TDLS_RS_RCR		: restore RCR */
6926 /*  TDLS_TEAR_STA	: free tdls sta */
tdls_hdl(struct adapter * padapter,unsigned char * pbuf)6927 u8 tdls_hdl(struct adapter *padapter, unsigned char *pbuf)
6928 {
6929 	return H2C_REJECTED;
6930 }
6931 
run_in_thread_hdl(struct adapter * padapter,u8 * pbuf)6932 u8 run_in_thread_hdl(struct adapter *padapter, u8 *pbuf)
6933 {
6934 	struct RunInThread_param *p;
6935 
6936 
6937 	if (NULL == pbuf)
6938 		return H2C_PARAMETERS_ERROR;
6939 	p = (struct RunInThread_param *)pbuf;
6940 
6941 	if (p->func)
6942 		p->func(p->context);
6943 
6944 	return H2C_SUCCESS;
6945 }
6946