1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
5 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
6 * Linux device driver for RTL8192SU
8 * Modifications for inclusion into the Linux staging tree are
9 * Copyright(c) 2010 Larry Finger. All rights reserved.
11 * Contact information:
12 * WLAN FAE <wlanfae@realtek.com>
13 * Larry Finger <Larry.Finger@lwfinger.net>
15 ******************************************************************************/
17 #define _RTL871X_IOCTL_SET_C_
19 #include "osdep_service.h"
20 #include "drv_types.h"
21 #include "rtl871x_ioctl_set.h"
22 #include "usb_osintf.h"
26 static u8 validate_ssid(struct ndis_802_11_ssid *ssid)
30 if (ssid->SsidLength > 32)
32 for (i = 0; i < ssid->SsidLength; i++) {
33 /* wifi, printable ascii code must be supported */
34 if (!((ssid->Ssid[i] >= 0x20) && (ssid->Ssid[i] <= 0x7e)))
40 static u8 do_join(struct _adapter *padapter)
42 struct list_head *plist, *phead;
44 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
45 struct __queue *queue = &(pmlmepriv->scanned_queue);
48 phead = &queue->queue;
50 pmlmepriv->cur_network.join_res = -2;
51 pmlmepriv->fw_state |= _FW_UNDER_LINKING;
52 pmlmepriv->pscanned = plist;
53 pmlmepriv->to_join = true;
55 /* adhoc mode will start with an empty queue, but skip checking */
56 if (!check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) &&
57 list_empty(&queue->queue)) {
58 if (pmlmepriv->fw_state & _FW_UNDER_LINKING)
59 pmlmepriv->fw_state ^= _FW_UNDER_LINKING;
60 /* when set_ssid/set_bssid for do_join(), but scanning queue
61 * is empty we try to issue sitesurvey firstly
63 if (!pmlmepriv->sitesurveyctrl.traffic_busy)
64 r8712_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid);
68 ret = r8712_select_and_join_from_scan(pmlmepriv);
70 mod_timer(&pmlmepriv->assoc_timer,
71 jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
73 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
74 /* submit r8712_createbss_cmd to change to an
75 * ADHOC_MASTER pmlmepriv->lock has been
76 * acquired by caller...
78 struct wlan_bssid_ex *pdev_network =
79 &(padapter->registrypriv.dev_network);
80 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
81 pibss = padapter->registrypriv.dev_network.MacAddress;
82 memcpy(&pdev_network->Ssid,
83 &pmlmepriv->assoc_ssid,
84 sizeof(struct ndis_802_11_ssid));
85 r8712_update_registrypriv_dev_network(padapter);
86 r8712_generate_random_ibss(pibss);
87 if (r8712_createbss_cmd(padapter))
89 pmlmepriv->to_join = false;
91 /* can't associate ; reset under-linking */
92 if (pmlmepriv->fw_state & _FW_UNDER_LINKING)
93 pmlmepriv->fw_state ^=
95 /* when set_ssid/set_bssid for do_join(), but
96 * there are no desired bss in scanning queue
97 * we try to issue sitesurvey first
99 if (!pmlmepriv->sitesurveyctrl.traffic_busy)
100 r8712_sitesurvey_cmd(padapter,
101 &pmlmepriv->assoc_ssid);
107 u8 r8712_set_802_11_bssid(struct _adapter *padapter, u8 *bssid)
111 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
113 if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) {
117 spin_lock_irqsave(&pmlmepriv->lock, irqL);
118 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY |
119 _FW_UNDER_LINKING)) {
120 status = check_fwstate(pmlmepriv, _FW_UNDER_LINKING);
121 goto _Abort_Set_BSSID;
123 if (check_fwstate(pmlmepriv,
124 _FW_LINKED | WIFI_ADHOC_MASTER_STATE)) {
125 if (!memcmp(&pmlmepriv->cur_network.network.MacAddress, bssid,
127 if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE))
129 * WIFI_ADHOC_MASTER_STATE
131 goto _Abort_Set_BSSID;
133 r8712_disassoc_cmd(padapter);
134 if (check_fwstate(pmlmepriv, _FW_LINKED))
135 r8712_ind_disconnect(padapter);
136 r8712_free_assoc_resources(padapter);
137 if ((check_fwstate(pmlmepriv,
138 WIFI_ADHOC_MASTER_STATE))) {
139 _clr_fwstate_(pmlmepriv,
140 WIFI_ADHOC_MASTER_STATE);
141 set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
145 memcpy(&pmlmepriv->assoc_bssid, bssid, ETH_ALEN);
146 pmlmepriv->assoc_by_bssid = true;
147 status = do_join(padapter);
151 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
155 void r8712_set_802_11_ssid(struct _adapter *padapter,
156 struct ndis_802_11_ssid *ssid)
159 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
160 struct wlan_network *pnetwork = &pmlmepriv->cur_network;
162 if (!padapter->hw_init_completed)
164 spin_lock_irqsave(&pmlmepriv->lock, irqL);
165 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING)) {
166 check_fwstate(pmlmepriv, _FW_UNDER_LINKING);
167 goto _Abort_Set_SSID;
169 if (check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE)) {
170 if ((pmlmepriv->assoc_ssid.SsidLength == ssid->SsidLength) &&
171 (!memcmp(&pmlmepriv->assoc_ssid.Ssid, ssid->Ssid,
172 ssid->SsidLength))) {
173 if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
174 if (!r8712_is_same_ibss(padapter,
176 /* if in WIFI_ADHOC_MASTER_STATE or
177 * WIFI_ADHOC_STATE, create bss or
180 r8712_disassoc_cmd(padapter);
181 if (check_fwstate(pmlmepriv,
183 r8712_ind_disconnect(padapter);
184 r8712_free_assoc_resources(padapter);
185 if (check_fwstate(pmlmepriv,
186 WIFI_ADHOC_MASTER_STATE)) {
187 _clr_fwstate_(pmlmepriv,
188 WIFI_ADHOC_MASTER_STATE);
189 set_fwstate(pmlmepriv,
194 * WIFI_ADHOC_MASTER_STATE
196 goto _Abort_Set_SSID;
200 r8712_disassoc_cmd(padapter);
201 if (check_fwstate(pmlmepriv, _FW_LINKED))
202 r8712_ind_disconnect(padapter);
203 r8712_free_assoc_resources(padapter);
204 if (check_fwstate(pmlmepriv,
205 WIFI_ADHOC_MASTER_STATE)) {
206 _clr_fwstate_(pmlmepriv,
207 WIFI_ADHOC_MASTER_STATE);
208 set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
212 if (padapter->securitypriv.btkip_countermeasure)
213 goto _Abort_Set_SSID;
214 if (!validate_ssid(ssid))
215 goto _Abort_Set_SSID;
216 memcpy(&pmlmepriv->assoc_ssid, ssid, sizeof(struct ndis_802_11_ssid));
217 pmlmepriv->assoc_by_bssid = false;
222 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
225 void r8712_set_802_11_infrastructure_mode(struct _adapter *padapter,
226 enum NDIS_802_11_NETWORK_INFRASTRUCTURE networktype)
229 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
230 struct wlan_network *cur_network = &pmlmepriv->cur_network;
231 enum NDIS_802_11_NETWORK_INFRASTRUCTURE *pold_state =
232 &(cur_network->network.InfrastructureMode);
234 if (*pold_state != networktype) {
235 spin_lock_irqsave(&pmlmepriv->lock, irqL);
236 if (check_fwstate(pmlmepriv, _FW_LINKED) ||
237 (*pold_state == Ndis802_11IBSS))
238 r8712_disassoc_cmd(padapter);
239 if (check_fwstate(pmlmepriv,
240 _FW_LINKED | WIFI_ADHOC_MASTER_STATE))
241 r8712_free_assoc_resources(padapter);
242 if (check_fwstate(pmlmepriv, _FW_LINKED) ||
243 (*pold_state == Ndis802_11Infrastructure) ||
244 (*pold_state == Ndis802_11IBSS)) {
245 /* will clr Linked_state before this function,
246 * we must have checked whether issue dis-assoc_cmd or
249 r8712_ind_disconnect(padapter);
251 *pold_state = networktype;
252 /* clear WIFI_STATION_STATE; WIFI_AP_STATE; WIFI_ADHOC_STATE;
253 * WIFI_ADHOC_MASTER_STATE
255 _clr_fwstate_(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE |
256 WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE);
257 switch (networktype) {
259 set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
261 case Ndis802_11Infrastructure:
262 set_fwstate(pmlmepriv, WIFI_STATION_STATE);
264 case Ndis802_11APMode:
265 set_fwstate(pmlmepriv, WIFI_AP_STATE);
267 case Ndis802_11AutoUnknown:
268 case Ndis802_11InfrastructureMax:
271 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
275 u8 r8712_set_802_11_disassociate(struct _adapter *padapter)
278 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
280 spin_lock_irqsave(&pmlmepriv->lock, irqL);
281 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
282 r8712_disassoc_cmd(padapter);
283 r8712_ind_disconnect(padapter);
284 r8712_free_assoc_resources(padapter);
286 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
290 u8 r8712_set_802_11_bssid_list_scan(struct _adapter *padapter)
292 struct mlme_priv *pmlmepriv = NULL;
298 pmlmepriv = &padapter->mlmepriv;
299 if (!padapter->hw_init_completed)
301 spin_lock_irqsave(&pmlmepriv->lock, irqL);
302 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING) ||
303 pmlmepriv->sitesurveyctrl.traffic_busy) {
304 /* Scan or linking is in progress, do nothing. */
305 ret = (u8)check_fwstate(pmlmepriv, _FW_UNDER_SURVEY);
307 r8712_free_network_queue(padapter);
308 ret = r8712_sitesurvey_cmd(padapter, NULL);
310 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
314 u8 r8712_set_802_11_authentication_mode(struct _adapter *padapter,
315 enum NDIS_802_11_AUTHENTICATION_MODE authmode)
317 struct security_priv *psecuritypriv = &padapter->securitypriv;
320 psecuritypriv->ndisauthtype = authmode;
321 if (psecuritypriv->ndisauthtype > 3)
322 psecuritypriv->AuthAlgrthm = 2; /* 802.1x */
323 if (r8712_set_auth(padapter, psecuritypriv))
330 int r8712_set_802_11_add_wep(struct _adapter *padapter,
331 struct NDIS_802_11_WEP *wep)
334 struct security_priv *psecuritypriv = &padapter->securitypriv;
336 keyid = wep->KeyIndex & 0x3fffffff;
337 if (keyid >= WEP_KEYS)
339 switch (wep->KeyLength) {
341 psecuritypriv->PrivacyAlgrthm = _WEP40_;
344 psecuritypriv->PrivacyAlgrthm = _WEP104_;
347 psecuritypriv->PrivacyAlgrthm = _NO_PRIVACY_;
350 memcpy(psecuritypriv->DefKey[keyid].skey, &wep->KeyMaterial,
352 psecuritypriv->DefKeylen[keyid] = wep->KeyLength;
353 psecuritypriv->PrivacyKeyIndex = keyid;
354 return r8712_set_key(padapter, psecuritypriv, keyid);