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