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"
37 #define IS_MAC_ADDRESS_BROADCAST(addr) \
39 ((addr[0] == 0xff) && (addr[1] == 0xff) && \
40 (addr[2] == 0xff) && (addr[3] == 0xff) && \
41 (addr[4] == 0xff) && (addr[5] == 0xff)) ? true : false \
44 static u8 validate_ssid(struct ndis_802_11_ssid *ssid)
48 if (ssid->SsidLength > 32)
50 for (i = 0; i < ssid->SsidLength; i++) {
51 /* wifi, printable ascii code must be supported */
52 if (!((ssid->Ssid[i] >= 0x20) && (ssid->Ssid[i] <= 0x7e)))
58 static u8 do_join(struct _adapter *padapter)
60 struct list_head *plist, *phead;
62 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
63 struct __queue *queue = &(pmlmepriv->scanned_queue);
65 phead = &queue->queue;
67 pmlmepriv->cur_network.join_res = -2;
68 pmlmepriv->fw_state |= _FW_UNDER_LINKING;
69 pmlmepriv->pscanned = plist;
70 pmlmepriv->to_join = true;
72 /* adhoc mode will start with an empty queue, but skip checking */
73 if (!check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) &&
74 list_empty(&queue->queue)) {
75 if (pmlmepriv->fw_state & _FW_UNDER_LINKING)
76 pmlmepriv->fw_state ^= _FW_UNDER_LINKING;
77 /* when set_ssid/set_bssid for do_join(), but scanning queue
78 * is empty we try to issue sitesurvey firstly
80 if (!pmlmepriv->sitesurveyctrl.traffic_busy)
81 r8712_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid);
86 ret = r8712_select_and_join_from_scan(pmlmepriv);
88 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
90 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
91 /* submit r8712_createbss_cmd to change to an
92 * ADHOC_MASTER pmlmepriv->lock has been
93 * acquired by caller...
95 struct wlan_bssid_ex *pdev_network =
96 &(padapter->registrypriv.dev_network);
97 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
98 pibss = padapter->registrypriv.dev_network.
100 memcpy(&pdev_network->Ssid,
101 &pmlmepriv->assoc_ssid,
102 sizeof(struct ndis_802_11_ssid));
103 r8712_update_registrypriv_dev_network(padapter);
104 r8712_generate_random_ibss(pibss);
105 if (r8712_createbss_cmd(padapter) != _SUCCESS)
107 pmlmepriv->to_join = false;
109 /* can't associate ; reset under-linking */
110 if (pmlmepriv->fw_state & _FW_UNDER_LINKING)
111 pmlmepriv->fw_state ^=
113 /* when set_ssid/set_bssid for do_join(), but
114 * there are no desired bss in scanning queue
115 * we try to issue sitesurvey first
117 if (!pmlmepriv->sitesurveyctrl.traffic_busy)
118 r8712_sitesurvey_cmd(padapter,
119 &pmlmepriv->assoc_ssid);
126 u8 r8712_set_802_11_bssid(struct _adapter *padapter, u8 *bssid)
130 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
132 if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) {
136 spin_lock_irqsave(&pmlmepriv->lock, irqL);
137 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY |
138 _FW_UNDER_LINKING) == true) {
139 status = check_fwstate(pmlmepriv, _FW_UNDER_LINKING);
140 goto _Abort_Set_BSSID;
142 if (check_fwstate(pmlmepriv,
143 _FW_LINKED|WIFI_ADHOC_MASTER_STATE) == true) {
144 if (!memcmp(&pmlmepriv->cur_network.network.MacAddress, bssid,
146 if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE))
147 goto _Abort_Set_BSSID; /* driver is in
148 * WIFI_ADHOC_MASTER_STATE */
150 r8712_disassoc_cmd(padapter);
151 if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
152 r8712_ind_disconnect(padapter);
153 r8712_free_assoc_resources(padapter);
154 if ((check_fwstate(pmlmepriv,
155 WIFI_ADHOC_MASTER_STATE))) {
156 _clr_fwstate_(pmlmepriv,
157 WIFI_ADHOC_MASTER_STATE);
158 set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
162 memcpy(&pmlmepriv->assoc_bssid, bssid, ETH_ALEN);
163 pmlmepriv->assoc_by_bssid = true;
164 status = do_join(padapter);
168 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
172 void r8712_set_802_11_ssid(struct _adapter *padapter,
173 struct ndis_802_11_ssid *ssid)
176 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
177 struct wlan_network *pnetwork = &pmlmepriv->cur_network;
179 if (!padapter->hw_init_completed)
181 spin_lock_irqsave(&pmlmepriv->lock, irqL);
182 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING)) {
183 check_fwstate(pmlmepriv, _FW_UNDER_LINKING);
184 goto _Abort_Set_SSID;
186 if (check_fwstate(pmlmepriv, _FW_LINKED|WIFI_ADHOC_MASTER_STATE)) {
187 if ((pmlmepriv->assoc_ssid.SsidLength == ssid->SsidLength) &&
188 (!memcmp(&pmlmepriv->assoc_ssid.Ssid, ssid->Ssid,
189 ssid->SsidLength))) {
190 if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
191 if (!r8712_is_same_ibss(padapter,
193 /* if in WIFI_ADHOC_MASTER_STATE or
194 * WIFI_ADHOC_STATE, create bss or
197 r8712_disassoc_cmd(padapter);
198 if (check_fwstate(pmlmepriv,
200 r8712_ind_disconnect(padapter);
201 r8712_free_assoc_resources(padapter);
202 if (check_fwstate(pmlmepriv,
203 WIFI_ADHOC_MASTER_STATE)) {
204 _clr_fwstate_(pmlmepriv,
205 WIFI_ADHOC_MASTER_STATE);
206 set_fwstate(pmlmepriv,
210 goto _Abort_Set_SSID; /* driver is in
211 * WIFI_ADHOC_MASTER_STATE */
214 r8712_disassoc_cmd(padapter);
215 if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
216 r8712_ind_disconnect(padapter);
217 r8712_free_assoc_resources(padapter);
218 if (check_fwstate(pmlmepriv,
219 WIFI_ADHOC_MASTER_STATE) == true) {
220 _clr_fwstate_(pmlmepriv,
221 WIFI_ADHOC_MASTER_STATE);
222 set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
226 if (padapter->securitypriv.btkip_countermeasure == true)
227 goto _Abort_Set_SSID;
228 if (!validate_ssid(ssid))
229 goto _Abort_Set_SSID;
230 memcpy(&pmlmepriv->assoc_ssid, ssid, sizeof(struct ndis_802_11_ssid));
231 pmlmepriv->assoc_by_bssid = false;
236 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
239 void r8712_set_802_11_infrastructure_mode(struct _adapter *padapter,
240 enum NDIS_802_11_NETWORK_INFRASTRUCTURE networktype)
243 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
244 struct wlan_network *cur_network = &pmlmepriv->cur_network;
245 enum NDIS_802_11_NETWORK_INFRASTRUCTURE *pold_state =
246 &(cur_network->network.InfrastructureMode);
248 if (*pold_state != networktype) {
249 spin_lock_irqsave(&pmlmepriv->lock, irqL);
250 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) ||
251 (*pold_state == Ndis802_11IBSS))
252 r8712_disassoc_cmd(padapter);
253 if (check_fwstate(pmlmepriv,
254 _FW_LINKED|WIFI_ADHOC_MASTER_STATE) == true)
255 r8712_free_assoc_resources(padapter);
256 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) ||
257 (*pold_state == Ndis802_11Infrastructure) ||
258 (*pold_state == Ndis802_11IBSS)) {
259 /* will clr Linked_state before this function,
260 * we must have checked whether issue dis-assoc_cmd or
262 r8712_ind_disconnect(padapter);
264 *pold_state = networktype;
265 /* clear WIFI_STATION_STATE; WIFI_AP_STATE; WIFI_ADHOC_STATE;
266 * WIFI_ADHOC_MASTER_STATE */
267 _clr_fwstate_(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE |
268 WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE |
270 switch (networktype) {
272 set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
274 case Ndis802_11Infrastructure:
275 set_fwstate(pmlmepriv, WIFI_STATION_STATE);
277 case Ndis802_11APMode:
278 set_fwstate(pmlmepriv, WIFI_AP_STATE);
280 case Ndis802_11AutoUnknown:
281 case Ndis802_11InfrastructureMax:
284 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
288 u8 r8712_set_802_11_disassociate(struct _adapter *padapter)
291 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
293 spin_lock_irqsave(&pmlmepriv->lock, irqL);
294 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
295 r8712_disassoc_cmd(padapter);
296 r8712_ind_disconnect(padapter);
297 r8712_free_assoc_resources(padapter);
299 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
303 u8 r8712_set_802_11_bssid_list_scan(struct _adapter *padapter)
305 struct mlme_priv *pmlmepriv = NULL;
311 pmlmepriv = &padapter->mlmepriv;
312 if (!padapter->hw_init_completed)
314 spin_lock_irqsave(&pmlmepriv->lock, irqL);
315 if ((check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING)) ||
316 (pmlmepriv->sitesurveyctrl.traffic_busy == true)) {
317 /* Scan or linking is in progress, do nothing. */
318 ret = (u8)check_fwstate(pmlmepriv, _FW_UNDER_SURVEY);
320 r8712_free_network_queue(padapter);
321 ret = r8712_sitesurvey_cmd(padapter, NULL);
323 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
327 u8 r8712_set_802_11_authentication_mode(struct _adapter *padapter,
328 enum NDIS_802_11_AUTHENTICATION_MODE authmode)
330 struct security_priv *psecuritypriv = &padapter->securitypriv;
333 psecuritypriv->ndisauthtype = authmode;
334 if (psecuritypriv->ndisauthtype > 3)
335 psecuritypriv->AuthAlgrthm = 2; /* 802.1x */
336 if (r8712_set_auth(padapter, psecuritypriv) == _SUCCESS)
343 u8 r8712_set_802_11_add_wep(struct _adapter *padapter,
344 struct NDIS_802_11_WEP *wep)
347 struct security_priv *psecuritypriv = &padapter->securitypriv;
349 keyid = wep->KeyIndex & 0x3fffffff;
350 if (keyid >= WEP_KEYS)
352 switch (wep->KeyLength) {
354 psecuritypriv->PrivacyAlgrthm = _WEP40_;
357 psecuritypriv->PrivacyAlgrthm = _WEP104_;
360 psecuritypriv->PrivacyAlgrthm = _NO_PRIVACY_;
363 memcpy(psecuritypriv->DefKey[keyid].skey, &wep->KeyMaterial,
365 psecuritypriv->DefKeylen[keyid] = wep->KeyLength;
366 psecuritypriv->PrivacyKeyIndex = keyid;
367 if (r8712_set_key(padapter, psecuritypriv, keyid) == _FAIL)