mirror of
https://github.com/lwfinger/rtl8188eu.git
synced 2024-11-15 01:19:36 +00:00
77d786b6e8
This version takes advantage of all the cleanups to the code. It has been modified to build on older kernels. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
489 lines
13 KiB
C
489 lines
13 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright(c) 2007 - 2012 Realtek Corporation. */
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#define _RTW_IOCTL_SET_C_
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#include "../include/osdep_service.h"
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#include "../include/drv_types.h"
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#include "../include/rtw_ioctl_set.h"
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#include "../include/hal_intf.h"
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#include "../include/usb_osintf.h"
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#include "../include/usb_ops.h"
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extern void indicate_wx_scan_complete_event(struct adapter *padapter);
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u8 rtw_do_join(struct adapter *padapter)
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{
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struct list_head *plist, *phead;
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u8 *pibss = NULL;
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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struct __queue *queue = &pmlmepriv->scanned_queue;
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u8 ret = _SUCCESS;
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spin_lock_bh(&pmlmepriv->scanned_queue.lock);
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phead = get_list_head(queue);
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plist = phead->next;
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pmlmepriv->cur_network.join_res = -2;
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set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
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pmlmepriv->pscanned = plist;
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pmlmepriv->to_join = true;
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if (list_empty(&queue->queue)) {
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spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
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_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
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/* when set_ssid/set_bssid for rtw_do_join(), but scanning queue is empty */
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/* we try to issue sitesurvey firstly */
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if (!pmlmepriv->LinkDetectInfo.bBusyTraffic ||
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pmlmepriv->to_roaming > 0) {
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/* submit site_survey_cmd */
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ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0);
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if (_SUCCESS != ret)
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pmlmepriv->to_join = false;
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} else {
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pmlmepriv->to_join = false;
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ret = _FAIL;
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}
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return ret;
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} else {
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int select_ret;
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spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
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select_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
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if (select_ret == _SUCCESS) {
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pmlmepriv->to_join = false;
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_set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
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} else {
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if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
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/* submit createbss_cmd to change to a ADHOC_MASTER */
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/* pmlmepriv->lock has been acquired by caller... */
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struct wlan_bssid_ex *pdev_network = &padapter->registrypriv.dev_network;
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pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
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pibss = padapter->registrypriv.dev_network.MacAddress;
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memset(&pdev_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
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memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
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rtw_update_registrypriv_dev_network(padapter);
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rtw_generate_random_ibss(pibss);
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if (rtw_createbss_cmd(padapter) != _SUCCESS)
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return false;
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pmlmepriv->to_join = false;
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} else {
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/* can't associate ; reset under-linking */
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_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
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/* when set_ssid/set_bssid for rtw_do_join(), but there are no desired bss in scanning queue */
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/* we try to issue sitesurvey firstly */
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if (!pmlmepriv->LinkDetectInfo.bBusyTraffic ||
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pmlmepriv->to_roaming > 0) {
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ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0);
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if (_SUCCESS != ret)
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pmlmepriv->to_join = false;
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} else {
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ret = _FAIL;
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pmlmepriv->to_join = false;
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}
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}
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}
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}
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return ret;
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}
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u8 rtw_set_802_11_bssid(struct adapter *padapter, u8 *bssid)
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{
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u8 status = _SUCCESS;
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u32 cur_time = 0;
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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if ((bssid[0] == 0x00 && bssid[1] == 0x00 && bssid[2] == 0x00 &&
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bssid[3] == 0x00 && bssid[4] == 0x00 && bssid[5] == 0x00) ||
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(bssid[0] == 0xFF && bssid[1] == 0xFF && bssid[2] == 0xFF &&
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bssid[3] == 0xFF && bssid[4] == 0xFF && bssid[5] == 0xFF)) {
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status = _FAIL;
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goto exit;
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}
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spin_lock_bh(&pmlmepriv->lock);
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if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
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goto handle_tkip_countermeasure;
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else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
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goto release_mlme_lock;
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if (check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE)) {
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if (!memcmp(&pmlmepriv->cur_network.network.MacAddress, bssid, ETH_ALEN)) {
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if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE))
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goto release_mlme_lock;/* it means driver is in WIFI_ADHOC_MASTER_STATE, we needn't create bss again. */
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} else {
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rtw_disassoc_cmd(padapter, 0, true);
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if (check_fwstate(pmlmepriv, _FW_LINKED))
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rtw_indicate_disconnect(padapter);
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rtw_free_assoc_resources(padapter, 1);
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if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
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_clr_fwstate_(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
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set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
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}
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}
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}
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handle_tkip_countermeasure:
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/* should we add something here...? */
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if (padapter->securitypriv.btkip_countermeasure) {
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cur_time = jiffies;
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if ((cur_time - padapter->securitypriv.btkip_countermeasure_time) > 60 * HZ) {
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padapter->securitypriv.btkip_countermeasure = false;
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padapter->securitypriv.btkip_countermeasure_time = 0;
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} else {
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status = _FAIL;
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goto release_mlme_lock;
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}
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}
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memcpy(&pmlmepriv->assoc_bssid, bssid, ETH_ALEN);
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pmlmepriv->assoc_by_bssid = true;
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if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
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pmlmepriv->to_join = true;
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else
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status = rtw_do_join(padapter);
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release_mlme_lock:
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spin_unlock_bh(&pmlmepriv->lock);
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exit:
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return status;
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}
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u8 rtw_set_802_11_ssid(struct adapter *padapter, struct ndis_802_11_ssid *ssid)
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{
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u8 status = _SUCCESS;
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u32 cur_time = 0;
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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struct wlan_network *pnetwork = &pmlmepriv->cur_network;
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if (!padapter->hw_init_completed) {
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status = _FAIL;
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goto exit;
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}
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spin_lock_bh(&pmlmepriv->lock);
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if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
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goto handle_tkip_countermeasure;
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} else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
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goto release_mlme_lock;
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}
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if (check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE)) {
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if ((pmlmepriv->assoc_ssid.SsidLength == ssid->SsidLength) &&
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(!memcmp(&pmlmepriv->assoc_ssid.Ssid, ssid->Ssid, ssid->SsidLength))) {
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if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
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if (!rtw_is_same_ibss(padapter, pnetwork)) {
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/* if in WIFI_ADHOC_MASTER_STATE | WIFI_ADHOC_STATE, create bss or rejoin again */
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rtw_disassoc_cmd(padapter, 0, true);
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if (check_fwstate(pmlmepriv, _FW_LINKED))
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rtw_indicate_disconnect(padapter);
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rtw_free_assoc_resources(padapter, 1);
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if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
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_clr_fwstate_(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
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set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
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}
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} else {
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goto release_mlme_lock;/* it means driver is in WIFI_ADHOC_MASTER_STATE, we needn't create bss again. */
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}
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} else {
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rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_JOINBSS, 1);
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}
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} else {
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rtw_disassoc_cmd(padapter, 0, true);
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if (check_fwstate(pmlmepriv, _FW_LINKED))
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rtw_indicate_disconnect(padapter);
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rtw_free_assoc_resources(padapter, 1);
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if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
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_clr_fwstate_(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
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set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
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}
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}
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}
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handle_tkip_countermeasure:
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if (padapter->securitypriv.btkip_countermeasure) {
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cur_time = jiffies;
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if ((cur_time - padapter->securitypriv.btkip_countermeasure_time) > 60 * HZ) {
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padapter->securitypriv.btkip_countermeasure = false;
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padapter->securitypriv.btkip_countermeasure_time = 0;
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} else {
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status = _FAIL;
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goto release_mlme_lock;
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}
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}
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memcpy(&pmlmepriv->assoc_ssid, ssid, sizeof(struct ndis_802_11_ssid));
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pmlmepriv->assoc_by_bssid = false;
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if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
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pmlmepriv->to_join = true;
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} else {
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status = rtw_do_join(padapter);
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}
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release_mlme_lock:
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spin_unlock_bh(&pmlmepriv->lock);
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exit:
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return status;
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}
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u8 rtw_set_802_11_infrastructure_mode(struct adapter *padapter,
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enum ndis_802_11_network_infra networktype)
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{
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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struct wlan_network *cur_network = &pmlmepriv->cur_network;
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enum ndis_802_11_network_infra *pold_state = &cur_network->network.InfrastructureMode;
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if (*pold_state != networktype) {
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spin_lock_bh(&pmlmepriv->lock);
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if (*pold_state == Ndis802_11APMode) {
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/* change to other mode from Ndis802_11APMode */
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cur_network->join_res = -1;
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stop_ap_mode(padapter);
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}
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if ((check_fwstate(pmlmepriv, _FW_LINKED)) ||
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(*pold_state == Ndis802_11IBSS))
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rtw_disassoc_cmd(padapter, 0, true);
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if ((check_fwstate(pmlmepriv, _FW_LINKED)) ||
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(check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)))
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rtw_free_assoc_resources(padapter, 1);
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if ((*pold_state == Ndis802_11Infrastructure) || (*pold_state == Ndis802_11IBSS)) {
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if (check_fwstate(pmlmepriv, _FW_LINKED))
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rtw_indicate_disconnect(padapter); /* will clr Linked_state; before this function, we must have chked whether issue dis-assoc_cmd or not */
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}
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*pold_state = networktype;
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_clr_fwstate_(pmlmepriv, ~WIFI_NULL_STATE);
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switch (networktype) {
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case Ndis802_11IBSS:
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set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
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break;
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case Ndis802_11Infrastructure:
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set_fwstate(pmlmepriv, WIFI_STATION_STATE);
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break;
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case Ndis802_11APMode:
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set_fwstate(pmlmepriv, WIFI_AP_STATE);
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break;
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case Ndis802_11AutoUnknown:
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case Ndis802_11InfrastructureMax:
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break;
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}
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spin_unlock_bh(&pmlmepriv->lock);
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}
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return true;
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}
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u8 rtw_set_802_11_disassociate(struct adapter *padapter)
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{
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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spin_lock_bh(&pmlmepriv->lock);
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if (check_fwstate(pmlmepriv, _FW_LINKED)) {
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rtw_disassoc_cmd(padapter, 0, true);
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rtw_indicate_disconnect(padapter);
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rtw_free_assoc_resources(padapter, 1);
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rtw_pwr_wakeup(padapter);
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}
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spin_unlock_bh(&pmlmepriv->lock);
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return true;
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}
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u8 rtw_set_802_11_bssid_list_scan(struct adapter *padapter, struct ndis_802_11_ssid *pssid, int ssid_max_num)
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{
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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u8 res = true;
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if (!padapter) {
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res = false;
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goto exit;
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}
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if (!padapter->hw_init_completed) {
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res = false;
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goto exit;
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}
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if ((check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING)) ||
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(pmlmepriv->LinkDetectInfo.bBusyTraffic)) {
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/* Scan or linking is in progress, do nothing. */
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res = true;
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} else {
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if (rtw_is_scan_deny(padapter)) {
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indicate_wx_scan_complete_event(padapter);
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return _SUCCESS;
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}
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spin_lock_bh(&pmlmepriv->lock);
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res = rtw_sitesurvey_cmd(padapter, pssid, ssid_max_num, NULL, 0);
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spin_unlock_bh(&pmlmepriv->lock);
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}
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exit:
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return res;
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}
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u8 rtw_set_802_11_authentication_mode(struct adapter *padapter, enum ndis_802_11_auth_mode authmode)
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{
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struct security_priv *psecuritypriv = &padapter->securitypriv;
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int res;
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u8 ret;
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psecuritypriv->ndisauthtype = authmode;
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if (psecuritypriv->ndisauthtype > 3)
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psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
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res = rtw_set_auth(padapter, psecuritypriv);
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if (res == _SUCCESS)
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ret = true;
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else
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ret = false;
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return ret;
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}
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u8 rtw_set_802_11_add_wep(struct adapter *padapter, struct ndis_802_11_wep *wep)
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{
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int keyid, res;
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struct security_priv *psecuritypriv = &padapter->securitypriv;
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u8 ret = _SUCCESS;
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keyid = wep->KeyIndex & 0x3fffffff;
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if (keyid >= 4) {
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ret = false;
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goto exit;
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}
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switch (wep->KeyLength) {
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case 5:
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psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
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break;
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case 13:
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psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
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break;
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default:
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psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
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break;
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}
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memcpy(&psecuritypriv->dot11DefKey[keyid].skey[0], &wep->KeyMaterial, wep->KeyLength);
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psecuritypriv->dot11DefKeylen[keyid] = wep->KeyLength;
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psecuritypriv->dot11PrivacyKeyIndex = keyid;
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res = rtw_set_key(padapter, psecuritypriv, keyid, 1);
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if (res == _FAIL)
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ret = false;
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exit:
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return ret;
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}
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/*
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* rtw_get_cur_max_rate -
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* @adapter: pointer to struct adapter structure
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*
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* Return 0 or 100Kbps
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*/
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u16 rtw_get_cur_max_rate(struct adapter *adapter)
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{
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int i = 0;
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u8 *p;
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u16 rate = 0, max_rate = 0;
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struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
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struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
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struct registry_priv *pregistrypriv = &adapter->registrypriv;
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struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
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struct wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
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struct ieee80211_ht_cap *pht_capie;
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u8 bw_40MHz = 0, short_GI_20 = 0, short_GI_40 = 0;
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u16 mcs_rate = 0;
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u32 ht_ielen = 0;
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if ((!check_fwstate(pmlmepriv, _FW_LINKED)) &&
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(!check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)))
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return 0;
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if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N)) {
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p = rtw_get_ie(&pcur_bss->IEs[12], _HT_CAPABILITY_IE_, &ht_ielen, pcur_bss->IELength - 12);
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if (p && ht_ielen > 0) {
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pht_capie = (struct ieee80211_ht_cap *)(p + 2);
|
|
|
|
memcpy(&mcs_rate, pht_capie->mcs.rx_mask, 2);
|
|
|
|
/* cur_bwmod is updated by beacon, pmlmeinfo is updated by association response */
|
|
bw_40MHz = (pmlmeext->cur_bwmode && (HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH & pmlmeinfo->HT_info.infos[0])) ? 1 : 0;
|
|
|
|
short_GI_20 = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & IEEE80211_HT_CAP_SGI_20) ? 1 : 0;
|
|
short_GI_40 = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & IEEE80211_HT_CAP_SGI_40) ? 1 : 0;
|
|
|
|
max_rate = rtw_mcs_rate(bw_40MHz & (pregistrypriv->cbw40_enable),
|
|
short_GI_20,
|
|
short_GI_40,
|
|
pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate);
|
|
}
|
|
} else {
|
|
while ((pcur_bss->SupportedRates[i] != 0) && (pcur_bss->SupportedRates[i] != 0xFF)) {
|
|
rate = pcur_bss->SupportedRates[i] & 0x7F;
|
|
if (rate > max_rate)
|
|
max_rate = rate;
|
|
i++;
|
|
}
|
|
|
|
max_rate *= 5;
|
|
}
|
|
|
|
return max_rate;
|
|
}
|