| /****************************************************************************** |
| * rtl871x_ioctl_set.c |
| * |
| * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. |
| * Linux device driver for RTL8192SU |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| * |
| * Modifications for inclusion into the Linux staging tree are |
| * Copyright(c) 2010 Larry Finger. All rights reserved. |
| * |
| * Contact information: |
| * WLAN FAE <wlanfae@realtek.com> |
| * Larry Finger <Larry.Finger@lwfinger.net> |
| * |
| ******************************************************************************/ |
| |
| #define _RTL871X_IOCTL_SET_C_ |
| |
| #include "osdep_service.h" |
| #include "drv_types.h" |
| #include "rtl871x_ioctl_set.h" |
| #include "usb_osintf.h" |
| #include "usb_ops.h" |
| |
| |
| static u8 validate_ssid(struct ndis_802_11_ssid *ssid) |
| { |
| u8 i; |
| |
| if (ssid->SsidLength > 32) |
| return false; |
| for (i = 0; i < ssid->SsidLength; i++) { |
| /* wifi, printable ascii code must be supported */ |
| if (!((ssid->Ssid[i] >= 0x20) && (ssid->Ssid[i] <= 0x7e))) |
| return false; |
| } |
| return true; |
| } |
| |
| static u8 do_join(struct _adapter *padapter) |
| { |
| struct list_head *plist, *phead; |
| u8 *pibss = NULL; |
| struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); |
| struct __queue *queue = &(pmlmepriv->scanned_queue); |
| |
| phead = &queue->queue; |
| plist = phead->next; |
| pmlmepriv->cur_network.join_res = -2; |
| pmlmepriv->fw_state |= _FW_UNDER_LINKING; |
| pmlmepriv->pscanned = plist; |
| pmlmepriv->to_join = true; |
| |
| /* adhoc mode will start with an empty queue, but skip checking */ |
| if (!check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) && |
| list_empty(&queue->queue)) { |
| if (pmlmepriv->fw_state & _FW_UNDER_LINKING) |
| pmlmepriv->fw_state ^= _FW_UNDER_LINKING; |
| /* when set_ssid/set_bssid for do_join(), but scanning queue |
| * is empty we try to issue sitesurvey firstly |
| */ |
| if (!pmlmepriv->sitesurveyctrl.traffic_busy) |
| r8712_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid); |
| return true; |
| } else { |
| int ret; |
| |
| ret = r8712_select_and_join_from_scan(pmlmepriv); |
| if (ret == _SUCCESS) |
| mod_timer(&pmlmepriv->assoc_timer, |
| jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT)); |
| else { |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { |
| /* submit r8712_createbss_cmd to change to an |
| * ADHOC_MASTER pmlmepriv->lock has been |
| * acquired by caller... |
| */ |
| struct wlan_bssid_ex *pdev_network = |
| &(padapter->registrypriv.dev_network); |
| pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE; |
| pibss = padapter->registrypriv.dev_network. |
| MacAddress; |
| memcpy(&pdev_network->Ssid, |
| &pmlmepriv->assoc_ssid, |
| sizeof(struct ndis_802_11_ssid)); |
| r8712_update_registrypriv_dev_network(padapter); |
| r8712_generate_random_ibss(pibss); |
| if (r8712_createbss_cmd(padapter) != _SUCCESS) |
| return false; |
| pmlmepriv->to_join = false; |
| } else { |
| /* can't associate ; reset under-linking */ |
| if (pmlmepriv->fw_state & _FW_UNDER_LINKING) |
| pmlmepriv->fw_state ^= |
| _FW_UNDER_LINKING; |
| /* when set_ssid/set_bssid for do_join(), but |
| * there are no desired bss in scanning queue |
| * we try to issue sitesurvey first |
| */ |
| if (!pmlmepriv->sitesurveyctrl.traffic_busy) |
| r8712_sitesurvey_cmd(padapter, |
| &pmlmepriv->assoc_ssid); |
| } |
| } |
| } |
| return true; |
| } |
| |
| u8 r8712_set_802_11_bssid(struct _adapter *padapter, u8 *bssid) |
| { |
| unsigned long irqL; |
| u8 status = true; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| |
| if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) { |
| status = false; |
| return status; |
| } |
| spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | |
| _FW_UNDER_LINKING)) { |
| status = check_fwstate(pmlmepriv, _FW_UNDER_LINKING); |
| goto _Abort_Set_BSSID; |
| } |
| if (check_fwstate(pmlmepriv, |
| _FW_LINKED | WIFI_ADHOC_MASTER_STATE)) { |
| if (!memcmp(&pmlmepriv->cur_network.network.MacAddress, bssid, |
| ETH_ALEN)) { |
| if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE)) |
| /* driver is in |
| * WIFI_ADHOC_MASTER_STATE |
| */ |
| goto _Abort_Set_BSSID; |
| } else { |
| r8712_disassoc_cmd(padapter); |
| if (check_fwstate(pmlmepriv, _FW_LINKED)) |
| r8712_ind_disconnect(padapter); |
| r8712_free_assoc_resources(padapter); |
| if ((check_fwstate(pmlmepriv, |
| WIFI_ADHOC_MASTER_STATE))) { |
| _clr_fwstate_(pmlmepriv, |
| WIFI_ADHOC_MASTER_STATE); |
| set_fwstate(pmlmepriv, WIFI_ADHOC_STATE); |
| } |
| } |
| } |
| memcpy(&pmlmepriv->assoc_bssid, bssid, ETH_ALEN); |
| pmlmepriv->assoc_by_bssid = true; |
| status = do_join(padapter); |
| goto done; |
| _Abort_Set_BSSID: |
| done: |
| spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| return status; |
| } |
| |
| void r8712_set_802_11_ssid(struct _adapter *padapter, |
| struct ndis_802_11_ssid *ssid) |
| { |
| unsigned long irqL; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct wlan_network *pnetwork = &pmlmepriv->cur_network; |
| |
| if (!padapter->hw_init_completed) |
| return; |
| spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING)) { |
| check_fwstate(pmlmepriv, _FW_UNDER_LINKING); |
| goto _Abort_Set_SSID; |
| } |
| if (check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE)) { |
| if ((pmlmepriv->assoc_ssid.SsidLength == ssid->SsidLength) && |
| (!memcmp(&pmlmepriv->assoc_ssid.Ssid, ssid->Ssid, |
| ssid->SsidLength))) { |
| if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { |
| if (!r8712_is_same_ibss(padapter, |
| pnetwork)) { |
| /* if in WIFI_ADHOC_MASTER_STATE or |
| * WIFI_ADHOC_STATE, create bss or |
| * rejoin again |
| */ |
| r8712_disassoc_cmd(padapter); |
| if (check_fwstate(pmlmepriv, |
| _FW_LINKED)) |
| r8712_ind_disconnect(padapter); |
| r8712_free_assoc_resources(padapter); |
| if (check_fwstate(pmlmepriv, |
| WIFI_ADHOC_MASTER_STATE)) { |
| _clr_fwstate_(pmlmepriv, |
| WIFI_ADHOC_MASTER_STATE); |
| set_fwstate(pmlmepriv, |
| WIFI_ADHOC_STATE); |
| } |
| } else { |
| /* driver is in |
| * WIFI_ADHOC_MASTER_STATE |
| */ |
| goto _Abort_Set_SSID; |
| } |
| } |
| } else { |
| r8712_disassoc_cmd(padapter); |
| if (check_fwstate(pmlmepriv, _FW_LINKED)) |
| r8712_ind_disconnect(padapter); |
| r8712_free_assoc_resources(padapter); |
| if (check_fwstate(pmlmepriv, |
| WIFI_ADHOC_MASTER_STATE)) { |
| _clr_fwstate_(pmlmepriv, |
| WIFI_ADHOC_MASTER_STATE); |
| set_fwstate(pmlmepriv, WIFI_ADHOC_STATE); |
| } |
| } |
| } |
| if (padapter->securitypriv.btkip_countermeasure) |
| goto _Abort_Set_SSID; |
| if (!validate_ssid(ssid)) |
| goto _Abort_Set_SSID; |
| memcpy(&pmlmepriv->assoc_ssid, ssid, sizeof(struct ndis_802_11_ssid)); |
| pmlmepriv->assoc_by_bssid = false; |
| do_join(padapter); |
| goto done; |
| _Abort_Set_SSID: |
| done: |
| spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| } |
| |
| void r8712_set_802_11_infrastructure_mode(struct _adapter *padapter, |
| enum NDIS_802_11_NETWORK_INFRASTRUCTURE networktype) |
| { |
| unsigned long irqL; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct wlan_network *cur_network = &pmlmepriv->cur_network; |
| enum NDIS_802_11_NETWORK_INFRASTRUCTURE *pold_state = |
| &(cur_network->network.InfrastructureMode); |
| |
| if (*pold_state != networktype) { |
| spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| if (check_fwstate(pmlmepriv, _FW_LINKED) || |
| (*pold_state == Ndis802_11IBSS)) |
| r8712_disassoc_cmd(padapter); |
| if (check_fwstate(pmlmepriv, |
| _FW_LINKED | WIFI_ADHOC_MASTER_STATE)) |
| r8712_free_assoc_resources(padapter); |
| if (check_fwstate(pmlmepriv, _FW_LINKED) || |
| (*pold_state == Ndis802_11Infrastructure) || |
| (*pold_state == Ndis802_11IBSS)) { |
| /* will clr Linked_state before this function, |
| * we must have checked whether issue dis-assoc_cmd or |
| * not |
| */ |
| r8712_ind_disconnect(padapter); |
| } |
| *pold_state = networktype; |
| /* clear WIFI_STATION_STATE; WIFI_AP_STATE; WIFI_ADHOC_STATE; |
| * WIFI_ADHOC_MASTER_STATE |
| */ |
| _clr_fwstate_(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE | |
| WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE); |
| switch (networktype) { |
| case Ndis802_11IBSS: |
| set_fwstate(pmlmepriv, WIFI_ADHOC_STATE); |
| break; |
| case Ndis802_11Infrastructure: |
| set_fwstate(pmlmepriv, WIFI_STATION_STATE); |
| break; |
| case Ndis802_11APMode: |
| set_fwstate(pmlmepriv, WIFI_AP_STATE); |
| break; |
| case Ndis802_11AutoUnknown: |
| case Ndis802_11InfrastructureMax: |
| break; |
| } |
| spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| } |
| } |
| |
| u8 r8712_set_802_11_disassociate(struct _adapter *padapter) |
| { |
| unsigned long irqL; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| |
| spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| if (check_fwstate(pmlmepriv, _FW_LINKED)) { |
| r8712_disassoc_cmd(padapter); |
| r8712_ind_disconnect(padapter); |
| r8712_free_assoc_resources(padapter); |
| } |
| spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| return true; |
| } |
| |
| u8 r8712_set_802_11_bssid_list_scan(struct _adapter *padapter) |
| { |
| struct mlme_priv *pmlmepriv = NULL; |
| unsigned long irqL; |
| u8 ret = true; |
| |
| if (!padapter) |
| return false; |
| pmlmepriv = &padapter->mlmepriv; |
| if (!padapter->hw_init_completed) |
| return false; |
| spin_lock_irqsave(&pmlmepriv->lock, irqL); |
| if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING) || |
| pmlmepriv->sitesurveyctrl.traffic_busy) { |
| /* Scan or linking is in progress, do nothing. */ |
| ret = (u8)check_fwstate(pmlmepriv, _FW_UNDER_SURVEY); |
| } else { |
| r8712_free_network_queue(padapter); |
| ret = r8712_sitesurvey_cmd(padapter, NULL); |
| } |
| spin_unlock_irqrestore(&pmlmepriv->lock, irqL); |
| return ret; |
| } |
| |
| u8 r8712_set_802_11_authentication_mode(struct _adapter *padapter, |
| enum NDIS_802_11_AUTHENTICATION_MODE authmode) |
| { |
| struct security_priv *psecuritypriv = &padapter->securitypriv; |
| u8 ret; |
| |
| psecuritypriv->ndisauthtype = authmode; |
| if (psecuritypriv->ndisauthtype > 3) |
| psecuritypriv->AuthAlgrthm = 2; /* 802.1x */ |
| if (r8712_set_auth(padapter, psecuritypriv) == _SUCCESS) |
| ret = true; |
| else |
| ret = false; |
| return ret; |
| } |
| |
| u8 r8712_set_802_11_add_wep(struct _adapter *padapter, |
| struct NDIS_802_11_WEP *wep) |
| { |
| sint keyid; |
| struct security_priv *psecuritypriv = &padapter->securitypriv; |
| |
| keyid = wep->KeyIndex & 0x3fffffff; |
| if (keyid >= WEP_KEYS) |
| return false; |
| switch (wep->KeyLength) { |
| case 5: |
| psecuritypriv->PrivacyAlgrthm = _WEP40_; |
| break; |
| case 13: |
| psecuritypriv->PrivacyAlgrthm = _WEP104_; |
| break; |
| default: |
| psecuritypriv->PrivacyAlgrthm = _NO_PRIVACY_; |
| break; |
| } |
| memcpy(psecuritypriv->DefKey[keyid].skey, &wep->KeyMaterial, |
| wep->KeyLength); |
| psecuritypriv->DefKeylen[keyid] = wep->KeyLength; |
| psecuritypriv->PrivacyKeyIndex = keyid; |
| if (r8712_set_key(padapter, psecuritypriv, keyid) == _FAIL) |
| return false; |
| return _SUCCESS; |
| } |