1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3  *
4  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5  *
6  ******************************************************************************/
7 
8 
9 #define _MLME_OSDEP_C_
10 
11 #include <drv_types.h>
12 #include <rtw_debug.h>
13 
14 static void _dynamic_check_timer_handler(struct timer_list *t)
15 {
16 	struct adapter *adapter =
17 		from_timer(adapter, t, mlmepriv.dynamic_chk_timer);
18 
19 	rtw_dynamic_check_timer_handler(adapter);
20 
21 	_set_timer(&adapter->mlmepriv.dynamic_chk_timer, 2000);
22 }
23 
24 static void _rtw_set_scan_deny_timer_hdl(struct timer_list *t)
25 {
26 	struct adapter *adapter =
27 		from_timer(adapter, t, mlmepriv.set_scan_deny_timer);
28 
29 	rtw_clear_scan_deny(adapter);
30 }
31 
32 void rtw_init_mlme_timer(struct adapter *padapter)
33 {
34 	struct	mlme_priv *pmlmepriv = &padapter->mlmepriv;
35 
36 	timer_setup(&pmlmepriv->assoc_timer, _rtw_join_timeout_handler, 0);
37 	timer_setup(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler, 0);
38 	timer_setup(&pmlmepriv->dynamic_chk_timer,
39 		    _dynamic_check_timer_handler, 0);
40 	timer_setup(&pmlmepriv->set_scan_deny_timer,
41 		    _rtw_set_scan_deny_timer_hdl, 0);
42 }
43 
44 void rtw_os_indicate_connect(struct adapter *adapter)
45 {
46 	struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
47 
48 	if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
49 		(check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
50 		rtw_cfg80211_ibss_indicate_connect(adapter);
51 	} else {
52 		rtw_cfg80211_indicate_connect(adapter);
53 	}
54 
55 	rtw_indicate_wx_assoc_event(adapter);
56 	netif_carrier_on(adapter->pnetdev);
57 
58 	if (adapter->pid[2] != 0)
59 		rtw_signal_process(adapter->pid[2], SIGALRM);
60 }
61 
62 void rtw_os_indicate_scan_done(struct adapter *padapter, bool aborted)
63 {
64 	rtw_cfg80211_indicate_scan_done(padapter, aborted);
65 	indicate_wx_scan_complete_event(padapter);
66 }
67 
68 static RT_PMKID_LIST   backupPMKIDList[NUM_PMKID_CACHE];
69 void rtw_reset_securitypriv(struct adapter *adapter)
70 {
71 	u8 backupPMKIDIndex = 0;
72 	u8 backupTKIPCountermeasure = 0x00;
73 	u32 backupTKIPcountermeasure_time = 0;
74 	/*  add for CONFIG_IEEE80211W, none 11w also can use */
75 	struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
76 
77 	spin_lock_bh(&adapter->security_key_mutex);
78 
79 	if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
80 		/* 802.1x */
81 		/*  Added by Albert 2009/02/18 */
82 		/*  We have to backup the PMK information for WiFi PMK Caching test item. */
83 		/*  */
84 		/*  Backup the btkip_countermeasure information. */
85 		/*  When the countermeasure is trigger, the driver have to disconnect with AP for 60 seconds. */
86 
87 		memcpy(&backupPMKIDList[0], &adapter->securitypriv.PMKIDList[0], sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
88 		backupPMKIDIndex = adapter->securitypriv.PMKIDIndex;
89 		backupTKIPCountermeasure = adapter->securitypriv.btkip_countermeasure;
90 		backupTKIPcountermeasure_time = adapter->securitypriv.btkip_countermeasure_time;
91 
92 		/* reset RX BIP packet number */
93 		pmlmeext->mgnt_80211w_IPN_rx = 0;
94 
95 		memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv));
96 
97 		/*  Added by Albert 2009/02/18 */
98 		/*  Restore the PMK information to securitypriv structure for the following connection. */
99 		memcpy(&adapter->securitypriv.PMKIDList[0], &backupPMKIDList[0], sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
100 		adapter->securitypriv.PMKIDIndex = backupPMKIDIndex;
101 		adapter->securitypriv.btkip_countermeasure = backupTKIPCountermeasure;
102 		adapter->securitypriv.btkip_countermeasure_time = backupTKIPcountermeasure_time;
103 
104 		adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
105 		adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
106 
107 	} else {
108 		/* reset values in securitypriv */
109 		/* if (adapter->mlmepriv.fw_state & WIFI_STATION_STATE) */
110 		/*  */
111 		struct security_priv *psec_priv = &adapter->securitypriv;
112 
113 		psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;  /* open system */
114 		psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
115 		psec_priv->dot11PrivacyKeyIndex = 0;
116 
117 		psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
118 		psec_priv->dot118021XGrpKeyid = 1;
119 
120 		psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
121 		psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
122 		/*  */
123 	}
124 	/*  add for CONFIG_IEEE80211W, none 11w also can use */
125 	spin_unlock_bh(&adapter->security_key_mutex);
126 }
127 
128 void rtw_os_indicate_disconnect(struct adapter *adapter)
129 {
130 	/* RT_PMKID_LIST   backupPMKIDList[ NUM_PMKID_CACHE ]; */
131 
132 	netif_carrier_off(adapter->pnetdev); /*  Do it first for tx broadcast pkt after disconnection issue! */
133 
134 	rtw_cfg80211_indicate_disconnect(adapter);
135 
136 	rtw_indicate_wx_disassoc_event(adapter);
137 
138 	/* modify for CONFIG_IEEE80211W, none 11w also can use the same command */
139 	rtw_reset_securitypriv_cmd(adapter);
140 }
141 
142 void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
143 {
144 	uint	len;
145 	u8 *buff, *p, i;
146 	union iwreq_data wrqu;
147 
148 	RT_TRACE(_module_mlme_osdep_c_, _drv_info_, ("+rtw_report_sec_ie, authmode =%d\n", authmode));
149 
150 	buff = NULL;
151 	if (authmode == WLAN_EID_VENDOR_SPECIFIC) {
152 		RT_TRACE(_module_mlme_osdep_c_, _drv_info_, ("rtw_report_sec_ie, authmode =%d\n", authmode));
153 
154 		buff = rtw_zmalloc(IW_CUSTOM_MAX);
155 		if (NULL == buff) {
156 			DBG_871X(FUNC_ADPT_FMT ": alloc memory FAIL!!\n",
157 				FUNC_ADPT_ARG(adapter));
158 			return;
159 		}
160 		p = buff;
161 
162 		p += sprintf(p, "ASSOCINFO(ReqIEs =");
163 
164 		len = sec_ie[1] + 2;
165 		len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX;
166 
167 		for (i = 0; i < len; i++)
168 			p += sprintf(p, "%02x", sec_ie[i]);
169 
170 		p += sprintf(p, ")");
171 
172 		memset(&wrqu, 0, sizeof(wrqu));
173 
174 		wrqu.data.length = p - buff;
175 
176 		wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ? wrqu.data.length : IW_CUSTOM_MAX;
177 
178 		kfree(buff);
179 	}
180 }
181 
182 void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
183 {
184 	timer_setup(&psta->addba_retry_timer, addba_timer_hdl, 0);
185 }
186 
187 void init_mlme_ext_timer(struct adapter *padapter)
188 {
189 	struct	mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
190 
191 	timer_setup(&pmlmeext->survey_timer, survey_timer_hdl, 0);
192 	timer_setup(&pmlmeext->link_timer, link_timer_hdl, 0);
193 	timer_setup(&pmlmeext->sa_query_timer, sa_query_timer_hdl, 0);
194 }
195