Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * rtl871x_ioctl_set.c |
| 3 | * |
| 4 | * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. |
| 5 | * Linux device driver for RTL8192SU |
| 6 | * |
| 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. |
| 10 | * |
| 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 |
| 14 | * more details. |
| 15 | * |
| 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 |
| 19 | * |
| 20 | * Modifications for inclusion into the Linux staging tree are |
| 21 | * Copyright(c) 2010 Larry Finger. All rights reserved. |
| 22 | * |
| 23 | * Contact information: |
| 24 | * WLAN FAE <wlanfae@realtek.com> |
| 25 | * Larry Finger <Larry.Finger@lwfinger.net> |
| 26 | * |
| 27 | ******************************************************************************/ |
| 28 | |
| 29 | #define _RTL871X_IOCTL_SET_C_ |
| 30 | |
| 31 | #include "osdep_service.h" |
| 32 | #include "drv_types.h" |
| 33 | #include "rtl871x_ioctl_set.h" |
| 34 | #include "usb_osintf.h" |
| 35 | #include "usb_ops.h" |
| 36 | |
| 37 | #define IS_MAC_ADDRESS_BROADCAST(addr) \ |
| 38 | ( \ |
| 39 | ((addr[0] == 0xff) && (addr[1] == 0xff) && \ |
| 40 | (addr[2] == 0xff) && (addr[3] == 0xff) && \ |
| 41 | (addr[4] == 0xff) && (addr[5] == 0xff)) ? true : false \ |
| 42 | ) |
| 43 | |
| 44 | static u8 validate_ssid(struct ndis_802_11_ssid *ssid) |
| 45 | { |
| 46 | u8 i; |
| 47 | |
| 48 | if (ssid->SsidLength > 32) |
| 49 | return false; |
| 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))) |
| 53 | return false; |
| 54 | } |
| 55 | return true; |
| 56 | } |
| 57 | |
| 58 | static u8 do_join(struct _adapter *padapter) |
| 59 | { |
| 60 | struct list_head *plist, *phead; |
| 61 | u8 *pibss = NULL; |
| 62 | struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); |
| 63 | struct __queue *queue = &(pmlmepriv->scanned_queue); |
| 64 | |
| 65 | phead = get_list_head(queue); |
| 66 | plist = get_next(phead); |
| 67 | pmlmepriv->cur_network.join_res = -2; |
| 68 | pmlmepriv->fw_state |= _FW_UNDER_LINKING; |
| 69 | pmlmepriv->pscanned = plist; |
| 70 | pmlmepriv->to_join = true; |
Jeff Chua | 62819fd | 2011-04-27 11:25:14 -0500 | [diff] [blame] | 71 | |
| 72 | /* adhoc mode will start with an empty queue, but skip checking */ |
| 73 | if (!check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) && |
| 74 | _queue_empty(queue)) { |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 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 |
| 79 | */ |
| 80 | if (pmlmepriv->sitesurveyctrl.traffic_busy == false) |
| 81 | r8712_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid); |
| 82 | return true; |
| 83 | } else { |
| 84 | int ret; |
| 85 | |
| 86 | ret = r8712_select_and_join_from_scan(pmlmepriv); |
| 87 | if (ret == _SUCCESS) |
| 88 | _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT); |
| 89 | else { |
| 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... |
| 94 | */ |
| 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. |
| 99 | MacAddress; |
| 100 | memset(&pdev_network->Ssid, 0, |
| 101 | sizeof(struct ndis_802_11_ssid)); |
| 102 | memcpy(&pdev_network->Ssid, |
| 103 | &pmlmepriv->assoc_ssid, |
| 104 | sizeof(struct ndis_802_11_ssid)); |
| 105 | r8712_update_registrypriv_dev_network(padapter); |
| 106 | r8712_generate_random_ibss(pibss); |
| 107 | if (r8712_createbss_cmd(padapter) != _SUCCESS) |
| 108 | return false; |
| 109 | pmlmepriv->to_join = false; |
| 110 | } else { |
| 111 | /* can't associate ; reset under-linking */ |
| 112 | if (pmlmepriv->fw_state & _FW_UNDER_LINKING) |
| 113 | pmlmepriv->fw_state ^= |
| 114 | _FW_UNDER_LINKING; |
| 115 | /* when set_ssid/set_bssid for do_join(), but |
| 116 | * there are no desired bss in scanning queue |
| 117 | * we try to issue sitesurvey first |
| 118 | */ |
| 119 | if (!pmlmepriv->sitesurveyctrl.traffic_busy) |
| 120 | r8712_sitesurvey_cmd(padapter, |
| 121 | &pmlmepriv->assoc_ssid); |
| 122 | } |
| 123 | } |
| 124 | } |
| 125 | return true; |
| 126 | } |
| 127 | |
| 128 | u8 r8712_set_802_11_bssid(struct _adapter *padapter, u8 *bssid) |
| 129 | { |
| 130 | unsigned long irqL; |
| 131 | u8 status = true; |
| 132 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| 133 | |
| 134 | if ((bssid[0] == 0x00 && bssid[1] == 0x00 && bssid[2] == 0x00 && |
| 135 | bssid[3] == 0x00 && bssid[4] == 0x00 && bssid[5] == 0x00) || |
| 136 | (bssid[0] == 0xFF && bssid[1] == 0xFF && bssid[2] == 0xFF && |
| 137 | bssid[3] == 0xFF && bssid[4] == 0xFF && bssid[5] == 0xFF)) { |
| 138 | status = false; |
| 139 | return status; |
| 140 | } |
| 141 | spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| 142 | if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | |
| 143 | _FW_UNDER_LINKING) == true) { |
| 144 | status = check_fwstate(pmlmepriv, _FW_UNDER_LINKING); |
| 145 | goto _Abort_Set_BSSID; |
| 146 | } |
| 147 | if (check_fwstate(pmlmepriv, |
| 148 | _FW_LINKED|WIFI_ADHOC_MASTER_STATE) == true) { |
| 149 | if (!memcmp(&pmlmepriv->cur_network.network.MacAddress, bssid, |
| 150 | ETH_ALEN)) { |
| 151 | if (check_fwstate(pmlmepriv, |
| 152 | WIFI_STATION_STATE) == false) |
| 153 | goto _Abort_Set_BSSID; /* driver is in |
| 154 | * WIFI_ADHOC_MASTER_STATE */ |
| 155 | } else { |
| 156 | r8712_disassoc_cmd(padapter); |
| 157 | if (check_fwstate(pmlmepriv, _FW_LINKED) == true) |
| 158 | r8712_ind_disconnect(padapter); |
| 159 | r8712_free_assoc_resources(padapter); |
| 160 | if ((check_fwstate(pmlmepriv, |
| 161 | WIFI_ADHOC_MASTER_STATE))) { |
| 162 | _clr_fwstate_(pmlmepriv, |
| 163 | WIFI_ADHOC_MASTER_STATE); |
| 164 | set_fwstate(pmlmepriv, WIFI_ADHOC_STATE); |
| 165 | } |
| 166 | } |
| 167 | } |
| 168 | memcpy(&pmlmepriv->assoc_bssid, bssid, ETH_ALEN); |
| 169 | pmlmepriv->assoc_by_bssid = true; |
| 170 | status = do_join(padapter); |
| 171 | goto done; |
| 172 | _Abort_Set_BSSID: |
| 173 | done: |
| 174 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| 175 | return status; |
| 176 | } |
| 177 | |
| 178 | void r8712_set_802_11_ssid(struct _adapter *padapter, |
| 179 | struct ndis_802_11_ssid *ssid) |
| 180 | { |
| 181 | unsigned long irqL; |
| 182 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| 183 | struct wlan_network *pnetwork = &pmlmepriv->cur_network; |
| 184 | |
| 185 | if (padapter->hw_init_completed == false) |
| 186 | return; |
| 187 | spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| 188 | if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING)) { |
| 189 | check_fwstate(pmlmepriv, _FW_UNDER_LINKING); |
| 190 | goto _Abort_Set_SSID; |
| 191 | } |
| 192 | if (check_fwstate(pmlmepriv, _FW_LINKED|WIFI_ADHOC_MASTER_STATE)) { |
| 193 | if ((pmlmepriv->assoc_ssid.SsidLength == ssid->SsidLength) && |
| 194 | (!memcmp(&pmlmepriv->assoc_ssid.Ssid, ssid->Ssid, |
| 195 | ssid->SsidLength))) { |
| 196 | if ((check_fwstate(pmlmepriv, |
| 197 | WIFI_STATION_STATE) == false)) { |
| 198 | if (r8712_is_same_ibss(padapter, |
| 199 | pnetwork) == false) { |
| 200 | /* if in WIFI_ADHOC_MASTER_STATE or |
| 201 | * WIFI_ADHOC_STATE, create bss or |
| 202 | * rejoin again |
| 203 | */ |
| 204 | r8712_disassoc_cmd(padapter); |
| 205 | if (check_fwstate(pmlmepriv, |
| 206 | _FW_LINKED) == true) |
| 207 | r8712_ind_disconnect(padapter); |
| 208 | r8712_free_assoc_resources(padapter); |
| 209 | if (check_fwstate(pmlmepriv, |
| 210 | WIFI_ADHOC_MASTER_STATE)) { |
| 211 | _clr_fwstate_(pmlmepriv, |
| 212 | WIFI_ADHOC_MASTER_STATE); |
| 213 | set_fwstate(pmlmepriv, |
| 214 | WIFI_ADHOC_STATE); |
| 215 | } |
| 216 | } else |
| 217 | goto _Abort_Set_SSID; /* driver is in |
| 218 | * WIFI_ADHOC_MASTER_STATE */ |
| 219 | } |
| 220 | } else { |
| 221 | r8712_disassoc_cmd(padapter); |
| 222 | if (check_fwstate(pmlmepriv, _FW_LINKED) == true) |
| 223 | r8712_ind_disconnect(padapter); |
| 224 | r8712_free_assoc_resources(padapter); |
| 225 | if (check_fwstate(pmlmepriv, |
| 226 | WIFI_ADHOC_MASTER_STATE) == true) { |
| 227 | _clr_fwstate_(pmlmepriv, |
| 228 | WIFI_ADHOC_MASTER_STATE); |
| 229 | set_fwstate(pmlmepriv, WIFI_ADHOC_STATE); |
| 230 | } |
| 231 | } |
| 232 | } |
| 233 | if (padapter->securitypriv.btkip_countermeasure == true) |
| 234 | goto _Abort_Set_SSID; |
| 235 | if (validate_ssid(ssid) == false) |
| 236 | goto _Abort_Set_SSID; |
| 237 | memcpy(&pmlmepriv->assoc_ssid, ssid, sizeof(struct ndis_802_11_ssid)); |
| 238 | pmlmepriv->assoc_by_bssid = false; |
| 239 | do_join(padapter); |
| 240 | goto done; |
| 241 | _Abort_Set_SSID: |
| 242 | done: |
| 243 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| 244 | } |
| 245 | |
Ali Bahar | 2192e60 | 2011-09-04 03:14:24 +0800 | [diff] [blame] | 246 | void r8712_set_802_11_infrastructure_mode(struct _adapter *padapter, |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 247 | enum NDIS_802_11_NETWORK_INFRASTRUCTURE networktype) |
| 248 | { |
| 249 | unsigned long irqL; |
| 250 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| 251 | struct wlan_network *cur_network = &pmlmepriv->cur_network; |
| 252 | enum NDIS_802_11_NETWORK_INFRASTRUCTURE *pold_state = |
| 253 | &(cur_network->network.InfrastructureMode); |
| 254 | |
| 255 | if (*pold_state != networktype) { |
| 256 | spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| 257 | if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) || |
| 258 | (*pold_state == Ndis802_11IBSS)) |
| 259 | r8712_disassoc_cmd(padapter); |
| 260 | if (check_fwstate(pmlmepriv, |
| 261 | _FW_LINKED|WIFI_ADHOC_MASTER_STATE) == true) |
| 262 | r8712_free_assoc_resources(padapter); |
| 263 | if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) || |
| 264 | (*pold_state == Ndis802_11Infrastructure) || |
| 265 | (*pold_state == Ndis802_11IBSS)) { |
| 266 | /* will clr Linked_state before this function, |
| 267 | * we must have chked whether issue dis-assoc_cmd or |
| 268 | * not */ |
| 269 | r8712_ind_disconnect(padapter); |
| 270 | } |
| 271 | *pold_state = networktype; |
| 272 | /* clear WIFI_STATION_STATE; WIFI_AP_STATE; WIFI_ADHOC_STATE; |
| 273 | * WIFI_ADHOC_MASTER_STATE */ |
| 274 | _clr_fwstate_(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE | |
| 275 | WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | |
| 276 | WIFI_AP_STATE); |
| 277 | switch (networktype) { |
| 278 | case Ndis802_11IBSS: |
| 279 | set_fwstate(pmlmepriv, WIFI_ADHOC_STATE); |
| 280 | break; |
| 281 | case Ndis802_11Infrastructure: |
| 282 | set_fwstate(pmlmepriv, WIFI_STATION_STATE); |
| 283 | break; |
| 284 | case Ndis802_11APMode: |
| 285 | set_fwstate(pmlmepriv, WIFI_AP_STATE); |
| 286 | break; |
| 287 | case Ndis802_11AutoUnknown: |
| 288 | case Ndis802_11InfrastructureMax: |
| 289 | break; |
| 290 | } |
| 291 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| 292 | } |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | u8 r8712_set_802_11_disassociate(struct _adapter *padapter) |
| 296 | { |
| 297 | unsigned long irqL; |
| 298 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| 299 | |
| 300 | spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| 301 | if (check_fwstate(pmlmepriv, _FW_LINKED) == true) { |
| 302 | r8712_disassoc_cmd(padapter); |
| 303 | r8712_ind_disconnect(padapter); |
| 304 | r8712_free_assoc_resources(padapter); |
| 305 | } |
| 306 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| 307 | return true; |
| 308 | } |
| 309 | |
| 310 | u8 r8712_set_802_11_bssid_list_scan(struct _adapter *padapter) |
| 311 | { |
| 312 | struct mlme_priv *pmlmepriv = NULL; |
| 313 | unsigned long irqL; |
| 314 | u8 ret = true; |
| 315 | |
| 316 | if (padapter == NULL) |
| 317 | return false; |
| 318 | pmlmepriv = &padapter->mlmepriv; |
| 319 | if (padapter->hw_init_completed == false) |
| 320 | return false; |
| 321 | spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| 322 | if ((check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING)) || |
| 323 | (pmlmepriv->sitesurveyctrl.traffic_busy == true)) { |
| 324 | /* Scan or linking is in progress, do nothing. */ |
| 325 | ret = (u8)check_fwstate(pmlmepriv, _FW_UNDER_SURVEY); |
| 326 | } else { |
| 327 | r8712_free_network_queue(padapter); |
| 328 | ret = r8712_sitesurvey_cmd(padapter, NULL); |
| 329 | } |
| 330 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| 331 | return ret; |
| 332 | } |
| 333 | |
| 334 | u8 r8712_set_802_11_authentication_mode(struct _adapter *padapter, |
| 335 | enum NDIS_802_11_AUTHENTICATION_MODE authmode) |
| 336 | { |
| 337 | struct security_priv *psecuritypriv = &padapter->securitypriv; |
| 338 | u8 ret; |
| 339 | |
| 340 | psecuritypriv->ndisauthtype = authmode; |
| 341 | if (psecuritypriv->ndisauthtype > 3) |
| 342 | psecuritypriv->AuthAlgrthm = 2; /* 802.1x */ |
| 343 | if (r8712_set_auth(padapter, psecuritypriv) == _SUCCESS) |
| 344 | ret = true; |
| 345 | else |
| 346 | ret = false; |
| 347 | return ret; |
| 348 | } |
| 349 | |
| 350 | u8 r8712_set_802_11_add_wep(struct _adapter *padapter, |
| 351 | struct NDIS_802_11_WEP *wep) |
| 352 | { |
| 353 | u8 bdefaultkey; |
| 354 | u8 btransmitkey; |
| 355 | sint keyid; |
| 356 | struct security_priv *psecuritypriv = &padapter->securitypriv; |
| 357 | |
| 358 | bdefaultkey = (wep->KeyIndex & 0x40000000) > 0 ? false : true; |
| 359 | btransmitkey = (wep->KeyIndex & 0x80000000) > 0 ? true : false; |
| 360 | keyid = wep->KeyIndex & 0x3fffffff; |
| 361 | if (keyid >= WEP_KEYS) |
| 362 | return false; |
| 363 | switch (wep->KeyLength) { |
| 364 | case 5: |
| 365 | psecuritypriv->PrivacyAlgrthm = _WEP40_; |
| 366 | break; |
| 367 | case 13: |
| 368 | psecuritypriv->PrivacyAlgrthm = _WEP104_; |
| 369 | break; |
| 370 | default: |
| 371 | psecuritypriv->PrivacyAlgrthm = _NO_PRIVACY_; |
| 372 | break; |
| 373 | } |
| 374 | memcpy(psecuritypriv->DefKey[keyid].skey, &wep->KeyMaterial, |
| 375 | wep->KeyLength); |
| 376 | psecuritypriv->DefKeylen[keyid] = wep->KeyLength; |
| 377 | psecuritypriv->PrivacyKeyIndex = keyid; |
| 378 | if (r8712_set_key(padapter, psecuritypriv, keyid) == _FAIL) |
| 379 | return false; |
| 380 | return _SUCCESS; |
| 381 | } |