1 /******************************************************************************
4 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
5 * Linux device driver for RTL8192SU
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
20 * Modifications for inclusion into the Linux staging tree are
21 * Copyright(c) 2010 Larry Finger. All rights reserved.
23 * Contact information:
24 * WLAN FAE <wlanfae@realtek.com>
25 * Larry Finger <Larry.Finger@lwfinger.net>
27 ******************************************************************************/
29 #define _RTL871X_IOCTL_SET_C_
31 #include "osdep_service.h"
32 #include "drv_types.h"
33 #include "rtl871x_ioctl_set.h"
34 #include "usb_osintf.h"
38 static u8 validate_ssid(struct ndis_802_11_ssid *ssid)
42 if (ssid->SsidLength > 32)
44 for (i = 0; i < ssid->SsidLength; i++) {
45 /* wifi, printable ascii code must be supported */
46 if (!((ssid->Ssid[i] >= 0x20) && (ssid->Ssid[i] <= 0x7e)))
52 static u8 do_join(struct _adapter *padapter)
54 struct list_head *plist, *phead;
56 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
57 struct __queue *queue = &(pmlmepriv->scanned_queue);
59 phead = &queue->queue;
61 pmlmepriv->cur_network.join_res = -2;
62 pmlmepriv->fw_state |= _FW_UNDER_LINKING;
63 pmlmepriv->pscanned = plist;
64 pmlmepriv->to_join = true;
66 /* adhoc mode will start with an empty queue, but skip checking */
67 if (!check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) &&
68 list_empty(&queue->queue)) {
69 if (pmlmepriv->fw_state & _FW_UNDER_LINKING)
70 pmlmepriv->fw_state ^= _FW_UNDER_LINKING;
71 /* when set_ssid/set_bssid for do_join(), but scanning queue
72 * is empty we try to issue sitesurvey firstly
74 if (!pmlmepriv->sitesurveyctrl.traffic_busy)
75 r8712_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid);
80 ret = r8712_select_and_join_from_scan(pmlmepriv);
82 mod_timer(&pmlmepriv->assoc_timer,
83 jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
85 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
86 /* submit r8712_createbss_cmd to change to an
87 * ADHOC_MASTER pmlmepriv->lock has been
88 * acquired by caller...
90 struct wlan_bssid_ex *pdev_network =
91 &(padapter->registrypriv.dev_network);
92 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
93 pibss = padapter->registrypriv.dev_network.
95 memcpy(&pdev_network->Ssid,
96 &pmlmepriv->assoc_ssid,
97 sizeof(struct ndis_802_11_ssid));
98 r8712_update_registrypriv_dev_network(padapter);
99 r8712_generate_random_ibss(pibss);
100 if (r8712_createbss_cmd(padapter) != _SUCCESS)
102 pmlmepriv->to_join = false;
104 /* can't associate ; reset under-linking */
105 if (pmlmepriv->fw_state & _FW_UNDER_LINKING)
106 pmlmepriv->fw_state ^=
108 /* when set_ssid/set_bssid for do_join(), but
109 * there are no desired bss in scanning queue
110 * we try to issue sitesurvey first
112 if (!pmlmepriv->sitesurveyctrl.traffic_busy)
113 r8712_sitesurvey_cmd(padapter,
114 &pmlmepriv->assoc_ssid);
121 u8 r8712_set_802_11_bssid(struct _adapter *padapter, u8 *bssid)
125 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
127 if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) {
131 spin_lock_irqsave(&pmlmepriv->lock, irqL);
132 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY |
133 _FW_UNDER_LINKING)) {
134 status = check_fwstate(pmlmepriv, _FW_UNDER_LINKING);
135 goto _Abort_Set_BSSID;
137 if (check_fwstate(pmlmepriv,
138 _FW_LINKED | WIFI_ADHOC_MASTER_STATE)) {
139 if (!memcmp(&pmlmepriv->cur_network.network.MacAddress, bssid,
141 if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE))
142 goto _Abort_Set_BSSID; /* driver is in
143 * WIFI_ADHOC_MASTER_STATE */
145 r8712_disassoc_cmd(padapter);
146 if (check_fwstate(pmlmepriv, _FW_LINKED))
147 r8712_ind_disconnect(padapter);
148 r8712_free_assoc_resources(padapter);
149 if ((check_fwstate(pmlmepriv,
150 WIFI_ADHOC_MASTER_STATE))) {
151 _clr_fwstate_(pmlmepriv,
152 WIFI_ADHOC_MASTER_STATE);
153 set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
157 memcpy(&pmlmepriv->assoc_bssid, bssid, ETH_ALEN);
158 pmlmepriv->assoc_by_bssid = true;
159 status = do_join(padapter);
163 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
167 void r8712_set_802_11_ssid(struct _adapter *padapter,
168 struct ndis_802_11_ssid *ssid)
171 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
172 struct wlan_network *pnetwork = &pmlmepriv->cur_network;
174 if (!padapter->hw_init_completed)
176 spin_lock_irqsave(&pmlmepriv->lock, irqL);
177 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING)) {
178 check_fwstate(pmlmepriv, _FW_UNDER_LINKING);
179 goto _Abort_Set_SSID;
181 if (check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE)) {
182 if ((pmlmepriv->assoc_ssid.SsidLength == ssid->SsidLength) &&
183 (!memcmp(&pmlmepriv->assoc_ssid.Ssid, ssid->Ssid,
184 ssid->SsidLength))) {
185 if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
186 if (!r8712_is_same_ibss(padapter,
188 /* if in WIFI_ADHOC_MASTER_STATE or
189 * WIFI_ADHOC_STATE, create bss or
192 r8712_disassoc_cmd(padapter);
193 if (check_fwstate(pmlmepriv,
195 r8712_ind_disconnect(padapter);
196 r8712_free_assoc_resources(padapter);
197 if (check_fwstate(pmlmepriv,
198 WIFI_ADHOC_MASTER_STATE)) {
199 _clr_fwstate_(pmlmepriv,
200 WIFI_ADHOC_MASTER_STATE);
201 set_fwstate(pmlmepriv,
205 goto _Abort_Set_SSID; /* driver is in
206 * WIFI_ADHOC_MASTER_STATE */
210 r8712_disassoc_cmd(padapter);
211 if (check_fwstate(pmlmepriv, _FW_LINKED))
212 r8712_ind_disconnect(padapter);
213 r8712_free_assoc_resources(padapter);
214 if (check_fwstate(pmlmepriv,
215 WIFI_ADHOC_MASTER_STATE)) {
216 _clr_fwstate_(pmlmepriv,
217 WIFI_ADHOC_MASTER_STATE);
218 set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
222 if (padapter->securitypriv.btkip_countermeasure)
223 goto _Abort_Set_SSID;
224 if (!validate_ssid(ssid))
225 goto _Abort_Set_SSID;
226 memcpy(&pmlmepriv->assoc_ssid, ssid, sizeof(struct ndis_802_11_ssid));
227 pmlmepriv->assoc_by_bssid = false;
232 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
235 void r8712_set_802_11_infrastructure_mode(struct _adapter *padapter,
236 enum NDIS_802_11_NETWORK_INFRASTRUCTURE networktype)
239 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
240 struct wlan_network *cur_network = &pmlmepriv->cur_network;
241 enum NDIS_802_11_NETWORK_INFRASTRUCTURE *pold_state =
242 &(cur_network->network.InfrastructureMode);
244 if (*pold_state != networktype) {
245 spin_lock_irqsave(&pmlmepriv->lock, irqL);
246 if (check_fwstate(pmlmepriv, _FW_LINKED) ||
247 (*pold_state == Ndis802_11IBSS))
248 r8712_disassoc_cmd(padapter);
249 if (check_fwstate(pmlmepriv,
250 _FW_LINKED | WIFI_ADHOC_MASTER_STATE))
251 r8712_free_assoc_resources(padapter);
252 if (check_fwstate(pmlmepriv, _FW_LINKED) ||
253 (*pold_state == Ndis802_11Infrastructure) ||
254 (*pold_state == Ndis802_11IBSS)) {
255 /* will clr Linked_state before this function,
256 * we must have checked whether issue dis-assoc_cmd or
258 r8712_ind_disconnect(padapter);
260 *pold_state = networktype;
261 /* clear WIFI_STATION_STATE; WIFI_AP_STATE; WIFI_ADHOC_STATE;
262 * WIFI_ADHOC_MASTER_STATE */
263 _clr_fwstate_(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE |
264 WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE);
265 switch (networktype) {
267 set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
269 case Ndis802_11Infrastructure:
270 set_fwstate(pmlmepriv, WIFI_STATION_STATE);
272 case Ndis802_11APMode:
273 set_fwstate(pmlmepriv, WIFI_AP_STATE);
275 case Ndis802_11AutoUnknown:
276 case Ndis802_11InfrastructureMax:
279 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
283 u8 r8712_set_802_11_disassociate(struct _adapter *padapter)
286 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
288 spin_lock_irqsave(&pmlmepriv->lock, irqL);
289 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
290 r8712_disassoc_cmd(padapter);
291 r8712_ind_disconnect(padapter);
292 r8712_free_assoc_resources(padapter);
294 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
298 u8 r8712_set_802_11_bssid_list_scan(struct _adapter *padapter)
300 struct mlme_priv *pmlmepriv = NULL;
306 pmlmepriv = &padapter->mlmepriv;
307 if (!padapter->hw_init_completed)
309 spin_lock_irqsave(&pmlmepriv->lock, irqL);
310 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING) ||
311 pmlmepriv->sitesurveyctrl.traffic_busy) {
312 /* Scan or linking is in progress, do nothing. */
313 ret = (u8)check_fwstate(pmlmepriv, _FW_UNDER_SURVEY);
315 r8712_free_network_queue(padapter);
316 ret = r8712_sitesurvey_cmd(padapter, NULL);
318 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
322 u8 r8712_set_802_11_authentication_mode(struct _adapter *padapter,
323 enum NDIS_802_11_AUTHENTICATION_MODE authmode)
325 struct security_priv *psecuritypriv = &padapter->securitypriv;
328 psecuritypriv->ndisauthtype = authmode;
329 if (psecuritypriv->ndisauthtype > 3)
330 psecuritypriv->AuthAlgrthm = 2; /* 802.1x */
331 if (r8712_set_auth(padapter, psecuritypriv) == _SUCCESS)
338 u8 r8712_set_802_11_add_wep(struct _adapter *padapter,
339 struct NDIS_802_11_WEP *wep)
342 struct security_priv *psecuritypriv = &padapter->securitypriv;
344 keyid = wep->KeyIndex & 0x3fffffff;
345 if (keyid >= WEP_KEYS)
347 switch (wep->KeyLength) {
349 psecuritypriv->PrivacyAlgrthm = _WEP40_;
352 psecuritypriv->PrivacyAlgrthm = _WEP104_;
355 psecuritypriv->PrivacyAlgrthm = _NO_PRIVACY_;
358 memcpy(psecuritypriv->DefKey[keyid].skey, &wep->KeyMaterial,
360 psecuritypriv->DefKeylen[keyid] = wep->KeyLength;
361 psecuritypriv->PrivacyKeyIndex = keyid;
362 if (r8712_set_key(padapter, psecuritypriv, keyid) == _FAIL)