mirror of
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staging: r8188eu: Add files for new driver - part 16
This commit adds files os_dep/ioctl_linux.c, os_dep/mlme_linux.c, and os_dep/osdep_service.c. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
fc324b6a93
commit
a2c60d42d9
8224
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
Normal file
8224
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
Normal file
File diff suppressed because it is too large
Load Diff
246
drivers/staging/rtl8188eu/os_dep/mlme_linux.c
Normal file
246
drivers/staging/rtl8188eu/os_dep/mlme_linux.c
Normal file
@ -0,0 +1,246 @@
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/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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#define _MLME_OSDEP_C_
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#include <osdep_service.h>
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#include <drv_types.h>
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#include <mlme_osdep.h>
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void rtw_join_timeout_handler (void *FunctionContext)
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{
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struct adapter *adapter = (struct adapter *)FunctionContext;
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_rtw_join_timeout_handler(adapter);
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}
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void _rtw_scan_timeout_handler (void *FunctionContext)
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{
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struct adapter *adapter = (struct adapter *)FunctionContext;
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rtw_scan_timeout_handler(adapter);
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}
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static void _dynamic_check_timer_handlder(void *FunctionContext)
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{
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struct adapter *adapter = (struct adapter *)FunctionContext;
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if (adapter->registrypriv.mp_mode == 1)
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return;
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rtw_dynamic_check_timer_handlder(adapter);
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_set_timer(&adapter->mlmepriv.dynamic_chk_timer, 2000);
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}
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void rtw_init_mlme_timer(struct adapter *padapter)
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{
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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_init_timer(&(pmlmepriv->assoc_timer), padapter->pnetdev, rtw_join_timeout_handler, padapter);
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_init_timer(&(pmlmepriv->scan_to_timer), padapter->pnetdev, _rtw_scan_timeout_handler, padapter);
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_init_timer(&(pmlmepriv->dynamic_chk_timer), padapter->pnetdev, _dynamic_check_timer_handlder, padapter);
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}
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void rtw_os_indicate_connect(struct adapter *adapter)
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{
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_func_enter_;
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rtw_indicate_wx_assoc_event(adapter);
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netif_carrier_on(adapter->pnetdev);
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if (adapter->pid[2] != 0)
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rtw_signal_process(adapter->pid[2], SIGALRM);
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_func_exit_;
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}
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void rtw_os_indicate_scan_done(struct adapter *padapter, bool aborted)
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{
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indicate_wx_scan_complete_event(padapter);
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}
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static struct rt_pmkid_list backup_pmkid[NUM_PMKID_CACHE];
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void rtw_reset_securitypriv(struct adapter *adapter)
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{
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u8 backup_index = 0;
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u8 backup_counter = 0x00;
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u32 backup_time = 0;
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if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
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/* 802.1x */
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/* We have to backup the PMK information for WiFi PMK Caching test item. */
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/* Backup the btkip_countermeasure information. */
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/* When the countermeasure is trigger, the driver have to disconnect with AP for 60 seconds. */
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_rtw_memset(&backup_pmkid[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
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memcpy(&backup_pmkid[0], &adapter->securitypriv.PMKIDList[0], sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
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backup_index = adapter->securitypriv.PMKIDIndex;
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backup_counter = adapter->securitypriv.btkip_countermeasure;
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backup_time = adapter->securitypriv.btkip_countermeasure_time;
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_rtw_memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv));
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/* Restore the PMK information to securitypriv structure for the following connection. */
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memcpy(&adapter->securitypriv.PMKIDList[0],
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&backup_pmkid[0],
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sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
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adapter->securitypriv.PMKIDIndex = backup_index;
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adapter->securitypriv.btkip_countermeasure = backup_counter;
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adapter->securitypriv.btkip_countermeasure_time = backup_time;
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adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
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adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
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} else {
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/* reset values in securitypriv */
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struct security_priv *psec_priv = &adapter->securitypriv;
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psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
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psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
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psec_priv->dot11PrivacyKeyIndex = 0;
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psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
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psec_priv->dot118021XGrpKeyid = 1;
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psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
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psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
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}
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}
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void rtw_os_indicate_disconnect(struct adapter *adapter)
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{
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_func_enter_;
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netif_carrier_off(adapter->pnetdev); /* Do it first for tx broadcast pkt after disconnection issue! */
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rtw_indicate_wx_disassoc_event(adapter);
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rtw_reset_securitypriv(adapter);
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_func_exit_;
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}
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void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
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{
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uint len;
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u8 *buff, *p, i;
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union iwreq_data wrqu;
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_func_enter_;
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RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
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("+rtw_report_sec_ie, authmode=%d\n", authmode));
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buff = NULL;
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if (authmode == _WPA_IE_ID_) {
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RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
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("rtw_report_sec_ie, authmode=%d\n", authmode));
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buff = rtw_malloc(IW_CUSTOM_MAX);
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if (!buff)
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goto exit;
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_rtw_memset(buff, 0, IW_CUSTOM_MAX);
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p = buff;
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p += sprintf(p, "ASSOCINFO(ReqIEs =");
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len = sec_ie[1]+2;
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len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX;
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for (i = 0; i < len; i++)
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p += sprintf(p, "%02x", sec_ie[i]);
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p += sprintf(p, ")");
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_rtw_memset(&wrqu, 0, sizeof(wrqu));
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wrqu.data.length = p-buff;
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wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ?
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wrqu.data.length : IW_CUSTOM_MAX;
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wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff);
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kfree(buff);
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}
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exit:
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_func_exit_;
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}
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static void _survey_timer_hdl(void *FunctionContext)
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{
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struct adapter *padapter = (struct adapter *)FunctionContext;
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survey_timer_hdl(padapter);
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}
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static void _link_timer_hdl(void *FunctionContext)
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{
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struct adapter *padapter = (struct adapter *)FunctionContext;
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link_timer_hdl(padapter);
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}
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static void _addba_timer_hdl(void *FunctionContext)
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{
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struct sta_info *psta = (struct sta_info *)FunctionContext;
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addba_timer_hdl(psta);
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}
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void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
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{
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_init_timer(&psta->addba_retry_timer, padapter->pnetdev, _addba_timer_hdl, psta);
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}
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void init_mlme_ext_timer(struct adapter *padapter)
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{
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struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
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_init_timer(&pmlmeext->survey_timer, padapter->pnetdev, _survey_timer_hdl, padapter);
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_init_timer(&pmlmeext->link_timer, padapter->pnetdev, _link_timer_hdl, padapter);
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}
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#ifdef CONFIG_88EU_AP_MODE
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void rtw_indicate_sta_assoc_event(struct adapter *padapter, struct sta_info *psta)
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{
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union iwreq_data wrqu;
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struct sta_priv *pstapriv = &padapter->stapriv;
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if (psta == NULL)
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return;
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if (psta->aid > NUM_STA)
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return;
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if (pstapriv->sta_aid[psta->aid - 1] != psta)
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return;
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wrqu.addr.sa_family = ARPHRD_ETHER;
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memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
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DBG_88E("+rtw_indicate_sta_assoc_event\n");
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wireless_send_event(padapter->pnetdev, IWEVREGISTERED, &wrqu, NULL);
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}
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void rtw_indicate_sta_disassoc_event(struct adapter *padapter, struct sta_info *psta)
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{
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union iwreq_data wrqu;
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struct sta_priv *pstapriv = &padapter->stapriv;
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if (psta == NULL)
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return;
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if (psta->aid > NUM_STA)
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return;
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if (pstapriv->sta_aid[psta->aid - 1] != psta)
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return;
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wrqu.addr.sa_family = ARPHRD_ETHER;
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memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
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DBG_88E("+rtw_indicate_sta_disassoc_event\n");
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wireless_send_event(padapter->pnetdev, IWEVEXPIRED, &wrqu, NULL);
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}
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#endif
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815
drivers/staging/rtl8188eu/os_dep/osdep_service.c
Normal file
815
drivers/staging/rtl8188eu/os_dep/osdep_service.c
Normal file
@ -0,0 +1,815 @@
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/******************************************************************************
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*
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* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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#define _OSDEP_SERVICE_C_
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#include <osdep_service.h>
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#include <drv_types.h>
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#include <recv_osdep.h>
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#include <linux/vmalloc.h>
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#include <rtw_ioctl_set.h>
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/*
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* Translate the OS dependent @param error_code to OS independent RTW_STATUS_CODE
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* @return: one of RTW_STATUS_CODE
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*/
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inline int RTW_STATUS_CODE(int error_code)
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{
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if (error_code >= 0)
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return _SUCCESS;
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return _FAIL;
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}
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u32 rtw_atoi(u8 *s)
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{
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int num = 0, flag = 0;
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int i;
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for (i = 0; i <= strlen(s); i++) {
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if (s[i] >= '0' && s[i] <= '9')
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num = num * 10 + s[i] - '0';
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else if (s[0] == '-' && i == 0)
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flag = 1;
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else
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break;
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}
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if (flag == 1)
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num = num * -1;
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return num;
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}
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inline u8 *_rtw_vmalloc(u32 sz)
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{
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u8 *pbuf;
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pbuf = vmalloc(sz);
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return pbuf;
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}
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inline u8 *_rtw_zvmalloc(u32 sz)
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{
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u8 *pbuf;
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pbuf = _rtw_vmalloc(sz);
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if (pbuf != NULL)
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memset(pbuf, 0, sz);
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return pbuf;
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}
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inline void _rtw_vmfree(u8 *pbuf, u32 sz)
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{
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vfree(pbuf);
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}
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u8 *_rtw_malloc(u32 sz)
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{
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u8 *pbuf = NULL;
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pbuf = kmalloc(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
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return pbuf;
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}
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u8 *_rtw_zmalloc(u32 sz)
|
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{
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u8 *pbuf = _rtw_malloc(sz);
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if (pbuf != NULL)
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memset(pbuf, 0, sz);
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return pbuf;
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}
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void *rtw_malloc2d(int h, int w, int size)
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{
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int j;
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void **a = (void **)rtw_zmalloc(h*sizeof(void *) + h*w*size);
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if (a == NULL) {
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pr_info("%s: alloc memory fail!\n", __func__);
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return NULL;
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}
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for (j = 0; j < h; j++)
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a[j] = ((char *)(a+h)) + j*w*size;
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return a;
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}
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void rtw_mfree2d(void *pbuf, int h, int w, int size)
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{
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kfree(pbuf);
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}
|
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int _rtw_memcmp(void *dst, void *src, u32 sz)
|
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{
|
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/* under Linux/GNU/GLibc, the return value of memcmp for two same
|
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* mem. chunk is 0 */
|
||||
if (!(memcmp(dst, src, sz)))
|
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return true;
|
||||
else
|
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return false;
|
||||
}
|
||||
|
||||
void _rtw_memset(void *pbuf, int c, u32 sz)
|
||||
{
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memset(pbuf, c, sz);
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}
|
||||
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||||
void _rtw_init_listhead(struct list_head *list)
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||||
{
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INIT_LIST_HEAD(list);
|
||||
}
|
||||
|
||||
/*
|
||||
For the following list_xxx operations,
|
||||
caller must guarantee the atomic context.
|
||||
Otherwise, there will be racing condition.
|
||||
*/
|
||||
u32 rtw_is_list_empty(struct list_head *phead)
|
||||
{
|
||||
if (list_empty(phead))
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||||
return true;
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||||
else
|
||||
return false;
|
||||
}
|
||||
|
||||
void rtw_list_insert_head(struct list_head *plist, struct list_head *phead)
|
||||
{
|
||||
list_add(plist, phead);
|
||||
}
|
||||
|
||||
void rtw_list_insert_tail(struct list_head *plist, struct list_head *phead)
|
||||
{
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||||
list_add_tail(plist, phead);
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||||
}
|
||||
|
||||
/*
|
||||
Caller must check if the list is empty before calling rtw_list_delete
|
||||
*/
|
||||
|
||||
void _rtw_init_sema(struct semaphore *sema, int init_val)
|
||||
{
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sema_init(sema, init_val);
|
||||
}
|
||||
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||||
void _rtw_free_sema(struct semaphore *sema)
|
||||
{
|
||||
}
|
||||
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||||
void _rtw_up_sema(struct semaphore *sema)
|
||||
{
|
||||
up(sema);
|
||||
}
|
||||
|
||||
u32 _rtw_down_sema(struct semaphore *sema)
|
||||
{
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if (down_interruptible(sema))
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return _FAIL;
|
||||
else
|
||||
return _SUCCESS;
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||||
}
|
||||
|
||||
void _rtw_mutex_init(struct mutex *pmutex)
|
||||
{
|
||||
mutex_init(pmutex);
|
||||
}
|
||||
|
||||
void _rtw_mutex_free(struct mutex *pmutex)
|
||||
{
|
||||
mutex_destroy(pmutex);
|
||||
}
|
||||
|
||||
void _rtw_spinlock_init(spinlock_t *plock)
|
||||
{
|
||||
spin_lock_init(plock);
|
||||
}
|
||||
|
||||
void _rtw_spinlock_free(spinlock_t *plock)
|
||||
{
|
||||
}
|
||||
|
||||
void _rtw_init_queue(struct __queue *pqueue)
|
||||
{
|
||||
_rtw_init_listhead(&(pqueue->queue));
|
||||
_rtw_spinlock_init(&(pqueue->lock));
|
||||
}
|
||||
|
||||
u32 _rtw_queue_empty(struct __queue *pqueue)
|
||||
{
|
||||
return rtw_is_list_empty(&(pqueue->queue));
|
||||
}
|
||||
|
||||
u32 rtw_end_of_queue_search(struct list_head *head, struct list_head *plist)
|
||||
{
|
||||
if (head == plist)
|
||||
return true;
|
||||
else
|
||||
return false;
|
||||
}
|
||||
|
||||
u32 rtw_get_current_time(void)
|
||||
{
|
||||
return jiffies;
|
||||
}
|
||||
|
||||
inline u32 rtw_systime_to_ms(u32 systime)
|
||||
{
|
||||
return systime * 1000 / HZ;
|
||||
}
|
||||
|
||||
inline u32 rtw_ms_to_systime(u32 ms)
|
||||
{
|
||||
return ms * HZ / 1000;
|
||||
}
|
||||
|
||||
/* the input parameter start use the same unit as returned by
|
||||
* rtw_get_current_time */
|
||||
inline s32 rtw_get_passing_time_ms(u32 start)
|
||||
{
|
||||
return rtw_systime_to_ms(jiffies-start);
|
||||
}
|
||||
|
||||
inline s32 rtw_get_time_interval_ms(u32 start, u32 end)
|
||||
{
|
||||
return rtw_systime_to_ms(end-start);
|
||||
}
|
||||
|
||||
void rtw_sleep_schedulable(int ms)
|
||||
{
|
||||
u32 delta;
|
||||
|
||||
delta = (ms * HZ)/1000;/* ms) */
|
||||
if (delta == 0)
|
||||
delta = 1;/* 1 ms */
|
||||
set_current_state(TASK_INTERRUPTIBLE);
|
||||
if (schedule_timeout(delta) != 0)
|
||||
return;
|
||||
}
|
||||
|
||||
void rtw_msleep_os(int ms)
|
||||
{
|
||||
msleep((unsigned int)ms);
|
||||
}
|
||||
|
||||
void rtw_usleep_os(int us)
|
||||
{
|
||||
if (1 < (us/1000))
|
||||
msleep(1);
|
||||
else
|
||||
msleep((us/1000) + 1);
|
||||
}
|
||||
|
||||
void rtw_mdelay_os(int ms)
|
||||
{
|
||||
mdelay((unsigned long)ms);
|
||||
}
|
||||
|
||||
void rtw_udelay_os(int us)
|
||||
{
|
||||
udelay((unsigned long)us);
|
||||
}
|
||||
|
||||
void rtw_yield_os(void)
|
||||
{
|
||||
yield();
|
||||
}
|
||||
|
||||
#define RTW_SUSPEND_LOCK_NAME "rtw_wifi"
|
||||
|
||||
inline void rtw_suspend_lock_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
inline void rtw_suspend_lock_uninit(void)
|
||||
{
|
||||
}
|
||||
|
||||
inline void rtw_lock_suspend(void)
|
||||
{
|
||||
}
|
||||
|
||||
inline void rtw_unlock_suspend(void)
|
||||
{
|
||||
}
|
||||
|
||||
inline void ATOMIC_SET(ATOMIC_T *v, int i)
|
||||
{
|
||||
atomic_set(v, i);
|
||||
}
|
||||
|
||||
inline int ATOMIC_READ(ATOMIC_T *v)
|
||||
{
|
||||
return atomic_read(v);
|
||||
}
|
||||
|
||||
inline void ATOMIC_ADD(ATOMIC_T *v, int i)
|
||||
{
|
||||
atomic_add(i, v);
|
||||
}
|
||||
|
||||
inline void ATOMIC_SUB(ATOMIC_T *v, int i)
|
||||
{
|
||||
atomic_sub(i, v);
|
||||
}
|
||||
|
||||
inline void ATOMIC_INC(ATOMIC_T *v)
|
||||
{
|
||||
atomic_inc(v);
|
||||
}
|
||||
|
||||
inline void ATOMIC_DEC(ATOMIC_T *v)
|
||||
{
|
||||
atomic_dec(v);
|
||||
}
|
||||
|
||||
inline int ATOMIC_ADD_RETURN(ATOMIC_T *v, int i)
|
||||
{
|
||||
return atomic_add_return(i, v);
|
||||
}
|
||||
|
||||
inline int ATOMIC_SUB_RETURN(ATOMIC_T *v, int i)
|
||||
{
|
||||
return atomic_sub_return(i, v);
|
||||
}
|
||||
|
||||
inline int ATOMIC_INC_RETURN(ATOMIC_T *v)
|
||||
{
|
||||
return atomic_inc_return(v);
|
||||
}
|
||||
|
||||
inline int ATOMIC_DEC_RETURN(ATOMIC_T *v)
|
||||
{
|
||||
return atomic_dec_return(v);
|
||||
}
|
||||
|
||||
/* Open a file with the specific @param path, @param flag, @param mode
|
||||
* @param fpp the pointer of struct file pointer to get struct file pointer while file opening is success
|
||||
* @param path the path of the file to open
|
||||
* @param flag file operation flags, please refer to linux document
|
||||
* @param mode please refer to linux document
|
||||
* @return Linux specific error code
|
||||
*/
|
||||
static int openfile(struct file **fpp, char *path, int flag, int mode)
|
||||
{
|
||||
struct file *fp;
|
||||
|
||||
fp = filp_open(path, flag, mode);
|
||||
if (IS_ERR(fp)) {
|
||||
*fpp = NULL;
|
||||
return PTR_ERR(fp);
|
||||
} else {
|
||||
*fpp = fp;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* Close the file with the specific @param fp
|
||||
* @param fp the pointer of struct file to close
|
||||
* @return always 0
|
||||
*/
|
||||
static int closefile(struct file *fp)
|
||||
{
|
||||
filp_close(fp, NULL);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int readfile(struct file *fp, char __user *buf, int len)
|
||||
{
|
||||
int rlen = 0, sum = 0;
|
||||
|
||||
if (!fp->f_op || !fp->f_op->read)
|
||||
return -EPERM;
|
||||
|
||||
while (sum < len) {
|
||||
rlen = fp->f_op->read(fp, buf+sum, len-sum, &fp->f_pos);
|
||||
if (rlen > 0)
|
||||
sum += rlen;
|
||||
else if (0 != rlen)
|
||||
return rlen;
|
||||
else
|
||||
break;
|
||||
}
|
||||
return sum;
|
||||
}
|
||||
|
||||
static int writefile(struct file *fp, char __user *buf, int len)
|
||||
{
|
||||
int wlen = 0, sum = 0;
|
||||
|
||||
if (!fp->f_op || !fp->f_op->write)
|
||||
return -EPERM;
|
||||
|
||||
while (sum < len) {
|
||||
wlen = fp->f_op->write(fp, buf+sum, len-sum, &fp->f_pos);
|
||||
if (wlen > 0)
|
||||
sum += wlen;
|
||||
else if (0 != wlen)
|
||||
return wlen;
|
||||
else
|
||||
break;
|
||||
}
|
||||
return sum;
|
||||
}
|
||||
|
||||
/* Test if the specifi @param path is a file and readable
|
||||
* @param path the path of the file to test
|
||||
* @return Linux specific error code
|
||||
*/
|
||||
static int isfilereadable(char *path)
|
||||
{
|
||||
struct file *fp;
|
||||
int ret = 0;
|
||||
mm_segment_t oldfs;
|
||||
char __user buf;
|
||||
|
||||
fp = filp_open(path, O_RDONLY, 0);
|
||||
if (IS_ERR(fp)) {
|
||||
ret = PTR_ERR(fp);
|
||||
} else {
|
||||
oldfs = get_fs(); set_fs(get_ds());
|
||||
|
||||
if (1 != readfile(fp, &buf, 1))
|
||||
ret = PTR_ERR(fp);
|
||||
|
||||
set_fs(oldfs);
|
||||
filp_close(fp, NULL);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Open the file with @param path and retrive the file content into
|
||||
* memory starting from @param buf for @param sz at most
|
||||
* @param path the path of the file to open and read
|
||||
* @param buf the starting address of the buffer to store file content
|
||||
* @param sz how many bytes to read at most
|
||||
* @return the byte we've read, or Linux specific error code
|
||||
*/
|
||||
static int retrievefromfile(char *path, u8 __user *buf, u32 sz)
|
||||
{
|
||||
int ret = -1;
|
||||
mm_segment_t oldfs;
|
||||
struct file *fp;
|
||||
|
||||
if (path && buf) {
|
||||
ret = openfile(&fp, path, O_RDONLY, 0);
|
||||
if (0 == ret) {
|
||||
DBG_88E("%s openfile path:%s fp =%p\n", __func__,
|
||||
path, fp);
|
||||
|
||||
oldfs = get_fs(); set_fs(get_ds());
|
||||
ret = readfile(fp, buf, sz);
|
||||
set_fs(oldfs);
|
||||
closefile(fp);
|
||||
|
||||
DBG_88E("%s readfile, ret:%d\n", __func__, ret);
|
||||
|
||||
} else {
|
||||
DBG_88E("%s openfile path:%s Fail, ret:%d\n", __func__,
|
||||
path, ret);
|
||||
}
|
||||
} else {
|
||||
DBG_88E("%s NULL pointer\n", __func__);
|
||||
ret = -EINVAL;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Open the file with @param path and wirte @param sz byte of data starting from @param buf into the file
|
||||
* @param path the path of the file to open and write
|
||||
* @param buf the starting address of the data to write into file
|
||||
* @param sz how many bytes to write at most
|
||||
* @return the byte we've written, or Linux specific error code
|
||||
*/
|
||||
static int storetofile(char *path, u8 __user *buf, u32 sz)
|
||||
{
|
||||
int ret = 0;
|
||||
mm_segment_t oldfs;
|
||||
struct file *fp;
|
||||
|
||||
if (path && buf) {
|
||||
ret = openfile(&fp, path, O_CREAT|O_WRONLY, 0666);
|
||||
if (0 == ret) {
|
||||
DBG_88E("%s openfile path:%s fp =%p\n", __func__, path, fp);
|
||||
|
||||
oldfs = get_fs(); set_fs(get_ds());
|
||||
ret = writefile(fp, buf, sz);
|
||||
set_fs(oldfs);
|
||||
closefile(fp);
|
||||
|
||||
DBG_88E("%s writefile, ret:%d\n", __func__, ret);
|
||||
|
||||
} else {
|
||||
DBG_88E("%s openfile path:%s Fail, ret:%d\n", __func__, path, ret);
|
||||
}
|
||||
} else {
|
||||
DBG_88E("%s NULL pointer\n", __func__);
|
||||
ret = -EINVAL;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Test if the specifi @param path is a file and readable
|
||||
* @param path the path of the file to test
|
||||
* @return true or false
|
||||
*/
|
||||
int rtw_is_file_readable(char *path)
|
||||
{
|
||||
if (isfilereadable(path) == 0)
|
||||
return true;
|
||||
else
|
||||
return false;
|
||||
}
|
||||
|
||||
/*
|
||||
* Open the file with @param path and retrive the file content into memory starting from @param buf for @param sz at most
|
||||
* @param path the path of the file to open and read
|
||||
* @param buf the starting address of the buffer to store file content
|
||||
* @param sz how many bytes to read at most
|
||||
* @return the byte we've read
|
||||
*/
|
||||
int rtw_retrive_from_file(char *path, u8 __user *buf, u32 sz)
|
||||
{
|
||||
int ret = retrievefromfile(path, buf, sz);
|
||||
|
||||
return ret >= 0 ? ret : 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Open the file with @param path and wirte @param sz byte of data
|
||||
* starting from @param buf into the file
|
||||
* @param path the path of the file to open and write
|
||||
* @param buf the starting address of the data to write into file
|
||||
* @param sz how many bytes to write at most
|
||||
* @return the byte we've written
|
||||
*/
|
||||
int rtw_store_to_file(char *path, u8 __user *buf, u32 sz)
|
||||
{
|
||||
int ret = storetofile(path, buf, sz);
|
||||
return ret >= 0 ? ret : 0;
|
||||
}
|
||||
|
||||
struct net_device *rtw_alloc_etherdev_with_old_priv(int sizeof_priv,
|
||||
void *old_priv)
|
||||
{
|
||||
struct net_device *pnetdev;
|
||||
struct rtw_netdev_priv_indicator *pnpi;
|
||||
|
||||
pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
|
||||
if (!pnetdev)
|
||||
goto RETURN;
|
||||
|
||||
pnpi = netdev_priv(pnetdev);
|
||||
pnpi->priv = old_priv;
|
||||
pnpi->sizeof_priv = sizeof_priv;
|
||||
|
||||
RETURN:
|
||||
return pnetdev;
|
||||
}
|
||||
|
||||
struct net_device *rtw_alloc_etherdev(int sizeof_priv)
|
||||
{
|
||||
struct net_device *pnetdev;
|
||||
struct rtw_netdev_priv_indicator *pnpi;
|
||||
|
||||
pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
|
||||
if (!pnetdev)
|
||||
goto RETURN;
|
||||
|
||||
pnpi = netdev_priv(pnetdev);
|
||||
|
||||
pnpi->priv = rtw_zvmalloc(sizeof_priv);
|
||||
if (!pnpi->priv) {
|
||||
free_netdev(pnetdev);
|
||||
pnetdev = NULL;
|
||||
goto RETURN;
|
||||
}
|
||||
|
||||
pnpi->sizeof_priv = sizeof_priv;
|
||||
RETURN:
|
||||
return pnetdev;
|
||||
}
|
||||
|
||||
void rtw_free_netdev(struct net_device *netdev)
|
||||
{
|
||||
struct rtw_netdev_priv_indicator *pnpi;
|
||||
|
||||
if (!netdev)
|
||||
goto RETURN;
|
||||
|
||||
pnpi = netdev_priv(netdev);
|
||||
|
||||
if (!pnpi->priv)
|
||||
goto RETURN;
|
||||
|
||||
rtw_vmfree(pnpi->priv, pnpi->sizeof_priv);
|
||||
free_netdev(netdev);
|
||||
|
||||
RETURN:
|
||||
return;
|
||||
}
|
||||
|
||||
int rtw_change_ifname(struct adapter *padapter, const char *ifname)
|
||||
{
|
||||
struct net_device *pnetdev;
|
||||
struct net_device *cur_pnetdev = padapter->pnetdev;
|
||||
struct rereg_nd_name_data *rereg_priv;
|
||||
int ret;
|
||||
|
||||
if (!padapter)
|
||||
goto error;
|
||||
|
||||
rereg_priv = &padapter->rereg_nd_name_priv;
|
||||
|
||||
/* free the old_pnetdev */
|
||||
if (rereg_priv->old_pnetdev) {
|
||||
free_netdev(rereg_priv->old_pnetdev);
|
||||
rereg_priv->old_pnetdev = NULL;
|
||||
}
|
||||
|
||||
if (!rtnl_is_locked())
|
||||
unregister_netdev(cur_pnetdev);
|
||||
else
|
||||
unregister_netdevice(cur_pnetdev);
|
||||
|
||||
rtw_proc_remove_one(cur_pnetdev);
|
||||
|
||||
rereg_priv->old_pnetdev = cur_pnetdev;
|
||||
|
||||
pnetdev = rtw_init_netdev(padapter);
|
||||
if (!pnetdev) {
|
||||
ret = -1;
|
||||
goto error;
|
||||
}
|
||||
|
||||
SET_NETDEV_DEV(pnetdev, dvobj_to_dev(adapter_to_dvobj(padapter)));
|
||||
|
||||
rtw_init_netdev_name(pnetdev, ifname);
|
||||
|
||||
memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
|
||||
|
||||
if (!rtnl_is_locked())
|
||||
ret = register_netdev(pnetdev);
|
||||
else
|
||||
ret = register_netdevice(pnetdev);
|
||||
if (ret != 0) {
|
||||
RT_TRACE(_module_hci_intfs_c_, _drv_err_,
|
||||
("register_netdev() failed\n"));
|
||||
goto error;
|
||||
}
|
||||
rtw_proc_init_one(pnetdev);
|
||||
return 0;
|
||||
error:
|
||||
return -1;
|
||||
}
|
||||
|
||||
u64 rtw_modular64(u64 x, u64 y)
|
||||
{
|
||||
return do_div(x, y);
|
||||
}
|
||||
|
||||
u64 rtw_division64(u64 x, u64 y)
|
||||
{
|
||||
do_div(x, y);
|
||||
return x;
|
||||
}
|
||||
|
||||
void rtw_buf_free(u8 **buf, u32 *buf_len)
|
||||
{
|
||||
*buf_len = 0;
|
||||
kfree(*buf);
|
||||
*buf = NULL;
|
||||
}
|
||||
|
||||
void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
|
||||
{
|
||||
u32 ori_len = 0, dup_len = 0;
|
||||
u8 *ori = NULL;
|
||||
u8 *dup = NULL;
|
||||
|
||||
if (!buf || !buf_len)
|
||||
return;
|
||||
|
||||
if (!src || !src_len)
|
||||
goto keep_ori;
|
||||
|
||||
/* duplicate src */
|
||||
dup = rtw_malloc(src_len);
|
||||
if (dup) {
|
||||
dup_len = src_len;
|
||||
memcpy(dup, src, dup_len);
|
||||
}
|
||||
|
||||
keep_ori:
|
||||
ori = *buf;
|
||||
ori_len = *buf_len;
|
||||
|
||||
/* replace buf with dup */
|
||||
*buf_len = 0;
|
||||
*buf = dup;
|
||||
*buf_len = dup_len;
|
||||
|
||||
/* free ori */
|
||||
kfree(ori);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* rtw_cbuf_full - test if cbuf is full
|
||||
* @cbuf: pointer of struct rtw_cbuf
|
||||
*
|
||||
* Returns: true if cbuf is full
|
||||
*/
|
||||
inline bool rtw_cbuf_full(struct rtw_cbuf *cbuf)
|
||||
{
|
||||
return (cbuf->write == cbuf->read-1) ? true : false;
|
||||
}
|
||||
|
||||
/**
|
||||
* rtw_cbuf_empty - test if cbuf is empty
|
||||
* @cbuf: pointer of struct rtw_cbuf
|
||||
*
|
||||
* Returns: true if cbuf is empty
|
||||
*/
|
||||
inline bool rtw_cbuf_empty(struct rtw_cbuf *cbuf)
|
||||
{
|
||||
return (cbuf->write == cbuf->read) ? true : false;
|
||||
}
|
||||
|
||||
/**
|
||||
* rtw_cbuf_push - push a pointer into cbuf
|
||||
* @cbuf: pointer of struct rtw_cbuf
|
||||
* @buf: pointer to push in
|
||||
*
|
||||
* Lock free operation, be careful of the use scheme
|
||||
* Returns: true push success
|
||||
*/
|
||||
bool rtw_cbuf_push(struct rtw_cbuf *cbuf, void *buf)
|
||||
{
|
||||
if (rtw_cbuf_full(cbuf))
|
||||
return _FAIL;
|
||||
|
||||
if (0)
|
||||
DBG_88E("%s on %u\n", __func__, cbuf->write);
|
||||
cbuf->bufs[cbuf->write] = buf;
|
||||
cbuf->write = (cbuf->write+1)%cbuf->size;
|
||||
|
||||
return _SUCCESS;
|
||||
}
|
||||
|
||||
/**
|
||||
* rtw_cbuf_pop - pop a pointer from cbuf
|
||||
* @cbuf: pointer of struct rtw_cbuf
|
||||
*
|
||||
* Lock free operation, be careful of the use scheme
|
||||
* Returns: pointer popped out
|
||||
*/
|
||||
void *rtw_cbuf_pop(struct rtw_cbuf *cbuf)
|
||||
{
|
||||
void *buf;
|
||||
if (rtw_cbuf_empty(cbuf))
|
||||
return NULL;
|
||||
|
||||
if (0)
|
||||
DBG_88E("%s on %u\n", __func__, cbuf->read);
|
||||
buf = cbuf->bufs[cbuf->read];
|
||||
cbuf->read = (cbuf->read+1)%cbuf->size;
|
||||
|
||||
return buf;
|
||||
}
|
||||
|
||||
/**
|
||||
* rtw_cbuf_alloc - allocte a rtw_cbuf with given size and do initialization
|
||||
* @size: size of pointer
|
||||
*
|
||||
* Returns: pointer of srtuct rtw_cbuf, NULL for allocation failure
|
||||
*/
|
||||
struct rtw_cbuf *rtw_cbuf_alloc(u32 size)
|
||||
{
|
||||
struct rtw_cbuf *cbuf;
|
||||
|
||||
cbuf = (struct rtw_cbuf *)rtw_malloc(sizeof(*cbuf) +
|
||||
sizeof(void *)*size);
|
||||
|
||||
if (cbuf) {
|
||||
cbuf->write = 0;
|
||||
cbuf->read = 0;
|
||||
cbuf->size = size;
|
||||
}
|
||||
return cbuf;
|
||||
}
|
Loading…
Reference in New Issue
Block a user