// SPDX-License-Identifier: GPL-2.0
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/******************************************************************************
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* rtl871x_mlme.c
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*
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* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
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* Linux device driver for RTL8192SU
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*
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* Modifications for inclusion into the Linux staging tree are
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* Copyright(c) 2010 Larry Finger. All rights reserved.
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*
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* Contact information:
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* WLAN FAE <wlanfae@realtek.com>
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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******************************************************************************/
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#define _RTL871X_MLME_C_
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#include <linux/etherdevice.h>
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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 "xmit_osdep.h"
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#include "mlme_osdep.h"
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#include "sta_info.h"
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#include "wifi.h"
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#include "wlan_bssdef.h"
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static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len);
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int r8712_init_mlme_priv(struct _adapter *padapter)
|
{
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sint i;
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u8 *pbuf;
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struct wlan_network *pnetwork;
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv));
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pmlmepriv->nic_hdl = (u8 *)padapter;
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pmlmepriv->pscanned = NULL;
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pmlmepriv->fw_state = 0;
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pmlmepriv->cur_network.network.InfrastructureMode =
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Ndis802_11AutoUnknown;
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/* Maybe someday we should rename this variable to "active_mode"(Jeff)*/
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pmlmepriv->passive_mode = 1; /* 1: active, 0: passive. */
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spin_lock_init(&(pmlmepriv->lock));
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spin_lock_init(&(pmlmepriv->lock2));
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_init_queue(&(pmlmepriv->free_bss_pool));
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_init_queue(&(pmlmepriv->scanned_queue));
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set_scanned_network_val(pmlmepriv, 0);
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memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
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pbuf = kmalloc_array(MAX_BSS_CNT, sizeof(struct wlan_network),
|
GFP_ATOMIC);
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if (!pbuf)
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return -ENOMEM;
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pmlmepriv->free_bss_buf = pbuf;
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pnetwork = (struct wlan_network *)pbuf;
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for (i = 0; i < MAX_BSS_CNT; i++) {
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INIT_LIST_HEAD(&(pnetwork->list));
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list_add_tail(&(pnetwork->list),
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&(pmlmepriv->free_bss_pool.queue));
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pnetwork++;
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}
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pmlmepriv->sitesurveyctrl.last_rx_pkts = 0;
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pmlmepriv->sitesurveyctrl.last_tx_pkts = 0;
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pmlmepriv->sitesurveyctrl.traffic_busy = false;
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/* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
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r8712_init_mlme_timer(padapter);
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return 0;
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}
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struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv)
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{
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unsigned long irqL;
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struct wlan_network *pnetwork;
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struct __queue *free_queue = &pmlmepriv->free_bss_pool;
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spin_lock_irqsave(&free_queue->lock, irqL);
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pnetwork = list_first_entry_or_null(&free_queue->queue,
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struct wlan_network, list);
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if (pnetwork) {
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list_del_init(&pnetwork->list);
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pnetwork->last_scanned = jiffies;
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pmlmepriv->num_of_scanned++;
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}
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spin_unlock_irqrestore(&free_queue->lock, irqL);
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return pnetwork;
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}
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static void _free_network(struct mlme_priv *pmlmepriv,
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struct wlan_network *pnetwork)
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{
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u32 curr_time, delta_time;
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unsigned long irqL;
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struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
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if (!pnetwork)
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return;
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if (pnetwork->fixed)
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return;
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curr_time = jiffies;
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delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ;
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if (delta_time < SCANQUEUE_LIFETIME)
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return;
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spin_lock_irqsave(&free_queue->lock, irqL);
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list_del_init(&pnetwork->list);
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list_add_tail(&pnetwork->list, &free_queue->queue);
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pmlmepriv->num_of_scanned--;
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spin_unlock_irqrestore(&free_queue->lock, irqL);
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}
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static void free_network_nolock(struct mlme_priv *pmlmepriv,
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struct wlan_network *pnetwork)
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{
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struct __queue *free_queue = &pmlmepriv->free_bss_pool;
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if (!pnetwork)
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return;
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if (pnetwork->fixed)
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return;
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list_del_init(&pnetwork->list);
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list_add_tail(&pnetwork->list, &free_queue->queue);
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pmlmepriv->num_of_scanned--;
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}
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|
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/* return the wlan_network with the matching addr
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* Shall be called under atomic context...
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* to avoid possible racing condition...
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*/
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static struct wlan_network *r8712_find_network(struct __queue *scanned_queue,
|
u8 *addr)
|
{
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unsigned long irqL;
|
struct list_head *phead, *plist;
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struct wlan_network *pnetwork = NULL;
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if (is_zero_ether_addr(addr))
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return NULL;
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spin_lock_irqsave(&scanned_queue->lock, irqL);
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phead = &scanned_queue->queue;
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plist = phead->next;
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while (plist != phead) {
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pnetwork = container_of(plist, struct wlan_network, list);
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plist = plist->next;
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if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
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break;
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}
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spin_unlock_irqrestore(&scanned_queue->lock, irqL);
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return pnetwork;
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}
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void r8712_free_network_queue(struct _adapter *padapter)
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{
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unsigned long irqL;
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struct list_head *phead, *plist;
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struct wlan_network *pnetwork;
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
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spin_lock_irqsave(&scanned_queue->lock, irqL);
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phead = &scanned_queue->queue;
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plist = phead->next;
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while (!end_of_queue_search(phead, plist)) {
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pnetwork = container_of(plist, struct wlan_network, list);
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plist = plist->next;
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_free_network(pmlmepriv, pnetwork);
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}
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spin_unlock_irqrestore(&scanned_queue->lock, irqL);
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}
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sint r8712_if_up(struct _adapter *padapter)
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{
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sint res;
|
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if (padapter->driver_stopped || padapter->surprise_removed ||
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!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
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res = false;
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} else {
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res = true;
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}
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return res;
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}
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void r8712_generate_random_ibss(u8 *pibss)
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{
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u32 curtime = jiffies;
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pibss[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */
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pibss[1] = 0x11;
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pibss[2] = 0x87;
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pibss[3] = (u8)(curtime & 0xff);
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pibss[4] = (u8)((curtime >> 8) & 0xff);
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pibss[5] = (u8)((curtime >> 16) & 0xff);
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}
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uint r8712_get_wlan_bssid_ex_sz(struct wlan_bssid_ex *bss)
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{
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return sizeof(*bss) + bss->IELength - MAX_IE_SZ;
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}
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u8 *r8712_get_capability_from_ie(u8 *ie)
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{
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return ie + 8 + 2;
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}
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void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
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{
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kfree(pmlmepriv->free_bss_buf);
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}
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static struct wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
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{
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return _r8712_alloc_network(pmlmepriv);
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}
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int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
|
{
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int ret = true;
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struct security_priv *psecuritypriv = &adapter->securitypriv;
|
|
if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
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(pnetwork->network.Privacy == cpu_to_le32(0)))
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ret = false;
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else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
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(pnetwork->network.Privacy == cpu_to_le32(1)))
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ret = false;
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else
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ret = true;
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return ret;
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|
}
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static int is_same_network(struct wlan_bssid_ex *src,
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struct wlan_bssid_ex *dst)
|
{
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u16 s_cap, d_cap;
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memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
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memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
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return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
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(src->Configuration.DSConfig ==
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dst->Configuration.DSConfig) &&
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((!memcmp(src->MacAddress, dst->MacAddress,
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ETH_ALEN))) &&
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((!memcmp(src->Ssid.Ssid,
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dst->Ssid.Ssid,
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src->Ssid.SsidLength))) &&
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((s_cap & WLAN_CAPABILITY_IBSS) ==
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(d_cap & WLAN_CAPABILITY_IBSS)) &&
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((s_cap & WLAN_CAPABILITY_ESS) ==
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(d_cap & WLAN_CAPABILITY_ESS));
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|
}
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struct wlan_network *r8712_get_oldest_wlan_network(
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struct __queue *scanned_queue)
|
{
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struct list_head *plist, *phead;
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struct wlan_network *pwlan = NULL;
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struct wlan_network *oldest = NULL;
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phead = &scanned_queue->queue;
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plist = phead->next;
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while (1) {
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if (end_of_queue_search(phead, plist))
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break;
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pwlan = container_of(plist, struct wlan_network, list);
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if (!pwlan->fixed) {
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if (!oldest ||
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time_after((unsigned long)oldest->last_scanned,
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(unsigned long)pwlan->last_scanned))
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oldest = pwlan;
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}
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plist = plist->next;
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}
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return oldest;
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}
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static void update_network(struct wlan_bssid_ex *dst,
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struct wlan_bssid_ex *src,
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struct _adapter *padapter)
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{
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u32 last_evm = 0, tmpVal;
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struct smooth_rssi_data *sqd = &padapter->recvpriv.signal_qual_data;
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if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
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is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
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if (padapter->recvpriv.signal_qual_data.total_num++ >=
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PHY_LINKQUALITY_SLID_WIN_MAX) {
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padapter->recvpriv.signal_qual_data.total_num =
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PHY_LINKQUALITY_SLID_WIN_MAX;
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last_evm = sqd->elements[sqd->index];
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padapter->recvpriv.signal_qual_data.total_val -=
|
last_evm;
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}
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padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
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sqd->elements[sqd->index++] = src->Rssi;
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if (padapter->recvpriv.signal_qual_data.index >=
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PHY_LINKQUALITY_SLID_WIN_MAX)
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padapter->recvpriv.signal_qual_data.index = 0;
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/* <1> Showed on UI for user, in percentage. */
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tmpVal = padapter->recvpriv.signal_qual_data.total_val /
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padapter->recvpriv.signal_qual_data.total_num;
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padapter->recvpriv.signal = (u8)tmpVal;
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src->Rssi = padapter->recvpriv.signal;
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} else {
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src->Rssi = (src->Rssi + dst->Rssi) / 2;
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}
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memcpy((u8 *)dst, (u8 *)src, r8712_get_wlan_bssid_ex_sz(src));
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}
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static void update_current_network(struct _adapter *adapter,
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struct wlan_bssid_ex *pnetwork)
|
{
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struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
|
if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
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update_network(&(pmlmepriv->cur_network.network),
|
pnetwork, adapter);
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r8712_update_protection(adapter,
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(pmlmepriv->cur_network.network.IEs) +
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sizeof(struct NDIS_802_11_FIXED_IEs),
|
pmlmepriv->cur_network.network.IELength);
|
}
|
}
|
|
/* Caller must hold pmlmepriv->lock first */
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static void update_scanned_network(struct _adapter *adapter,
|
struct wlan_bssid_ex *target)
|
{
|
struct list_head *plist, *phead;
|
|
u32 bssid_ex_sz;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
struct __queue *queue = &pmlmepriv->scanned_queue;
|
struct wlan_network *pnetwork = NULL;
|
struct wlan_network *oldest = NULL;
|
|
phead = &queue->queue;
|
plist = phead->next;
|
|
while (1) {
|
if (end_of_queue_search(phead, plist))
|
break;
|
|
pnetwork = container_of(plist, struct wlan_network, list);
|
if (is_same_network(&pnetwork->network, target))
|
break;
|
if ((oldest == ((struct wlan_network *)0)) ||
|
time_after((unsigned long)oldest->last_scanned,
|
(unsigned long)pnetwork->last_scanned))
|
oldest = pnetwork;
|
|
plist = plist->next;
|
}
|
|
|
/* If we didn't find a match, then get a new network slot to initialize
|
* with this beacon's information
|
*/
|
if (end_of_queue_search(phead, plist)) {
|
if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
|
/* If there are no more slots, expire the oldest */
|
pnetwork = oldest;
|
target->Rssi = (pnetwork->network.Rssi +
|
target->Rssi) / 2;
|
memcpy(&pnetwork->network, target,
|
r8712_get_wlan_bssid_ex_sz(target));
|
pnetwork->last_scanned = jiffies;
|
} else {
|
/* Otherwise just pull from the free list */
|
/* update scan_time */
|
pnetwork = alloc_network(pmlmepriv);
|
if (!pnetwork)
|
return;
|
bssid_ex_sz = r8712_get_wlan_bssid_ex_sz(target);
|
target->Length = bssid_ex_sz;
|
memcpy(&pnetwork->network, target, bssid_ex_sz);
|
list_add_tail(&pnetwork->list, &queue->queue);
|
}
|
} else {
|
/* we have an entry and we are going to update it. But
|
* this entry may be already expired. In this case we
|
* do the same as we found a new net and call the new_net
|
* handler
|
*/
|
update_network(&pnetwork->network, target, adapter);
|
pnetwork->last_scanned = jiffies;
|
}
|
}
|
|
static void rtl8711_add_network(struct _adapter *adapter,
|
struct wlan_bssid_ex *pnetwork)
|
{
|
unsigned long irqL;
|
struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
|
struct __queue *queue = &pmlmepriv->scanned_queue;
|
|
spin_lock_irqsave(&queue->lock, irqL);
|
update_current_network(adapter, pnetwork);
|
update_scanned_network(adapter, pnetwork);
|
spin_unlock_irqrestore(&queue->lock, irqL);
|
}
|
|
/*select the desired network based on the capability of the (i)bss.
|
* check items: (1) security
|
* (2) network_type
|
* (3) WMM
|
* (4) HT
|
* (5) others
|
*/
|
static int is_desired_network(struct _adapter *adapter,
|
struct wlan_network *pnetwork)
|
{
|
u8 wps_ie[512];
|
uint wps_ielen;
|
int bselected = true;
|
struct security_priv *psecuritypriv = &adapter->securitypriv;
|
|
if (psecuritypriv->wps_phase) {
|
if (r8712_get_wps_ie(pnetwork->network.IEs,
|
pnetwork->network.IELength, wps_ie,
|
&wps_ielen))
|
return true;
|
return false;
|
}
|
if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
|
(pnetwork->network.Privacy == 0))
|
bselected = false;
|
if (check_fwstate(&adapter->mlmepriv, WIFI_ADHOC_STATE)) {
|
if (pnetwork->network.InfrastructureMode !=
|
adapter->mlmepriv.cur_network.network.
|
InfrastructureMode)
|
bselected = false;
|
}
|
return bselected;
|
}
|
|
/* TODO: Perry : For Power Management */
|
void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf)
|
{
|
}
|
|
void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
|
{
|
unsigned long flags;
|
u32 len;
|
struct wlan_bssid_ex *pnetwork;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
|
pnetwork = (struct wlan_bssid_ex *)pbuf;
|
#ifdef __BIG_ENDIAN
|
/* endian_convert */
|
pnetwork->Length = le32_to_cpu(pnetwork->Length);
|
pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
|
pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
|
pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
|
pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
|
pnetwork->Configuration.ATIMWindow =
|
le32_to_cpu(pnetwork->Configuration.ATIMWindow);
|
pnetwork->Configuration.BeaconPeriod =
|
le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
|
pnetwork->Configuration.DSConfig =
|
le32_to_cpu(pnetwork->Configuration.DSConfig);
|
pnetwork->Configuration.FHConfig.DwellTime =
|
le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
|
pnetwork->Configuration.FHConfig.HopPattern =
|
le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
|
pnetwork->Configuration.FHConfig.HopSet =
|
le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
|
pnetwork->Configuration.FHConfig.Length =
|
le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
|
pnetwork->Configuration.Length =
|
le32_to_cpu(pnetwork->Configuration.Length);
|
pnetwork->InfrastructureMode =
|
le32_to_cpu(pnetwork->InfrastructureMode);
|
pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
|
#endif
|
len = r8712_get_wlan_bssid_ex_sz(pnetwork);
|
if (len > sizeof(struct wlan_bssid_ex))
|
return;
|
spin_lock_irqsave(&pmlmepriv->lock2, flags);
|
/* update IBSS_network 's timestamp */
|
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
|
if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
|
pnetwork->MacAddress, ETH_ALEN)) {
|
struct wlan_network *ibss_wlan = NULL;
|
|
memcpy(pmlmepriv->cur_network.network.IEs,
|
pnetwork->IEs, 8);
|
ibss_wlan = r8712_find_network(
|
&pmlmepriv->scanned_queue,
|
pnetwork->MacAddress);
|
if (ibss_wlan) {
|
memcpy(ibss_wlan->network.IEs,
|
pnetwork->IEs, 8);
|
goto exit;
|
}
|
}
|
}
|
/* lock pmlmepriv->lock when you accessing network_q */
|
if (!check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
|
if (pnetwork->Ssid.Ssid[0] != 0) {
|
rtl8711_add_network(adapter, pnetwork);
|
} else {
|
pnetwork->Ssid.SsidLength = 8;
|
memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
|
rtl8711_add_network(adapter, pnetwork);
|
}
|
}
|
exit:
|
spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
|
}
|
|
void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
|
{
|
unsigned long irqL;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
|
spin_lock_irqsave(&pmlmepriv->lock, irqL);
|
|
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
|
del_timer(&pmlmepriv->scan_to_timer);
|
|
_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
|
}
|
|
if (pmlmepriv->to_join) {
|
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
|
if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
|
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
|
|
if (!r8712_select_and_join_from_scan(pmlmepriv)) {
|
mod_timer(&pmlmepriv->assoc_timer, jiffies +
|
msecs_to_jiffies(MAX_JOIN_TIMEOUT));
|
} else {
|
struct wlan_bssid_ex *pdev_network =
|
&(adapter->registrypriv.dev_network);
|
u8 *pibss =
|
adapter->registrypriv.
|
dev_network.MacAddress;
|
pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
|
memcpy(&pdev_network->Ssid,
|
&pmlmepriv->assoc_ssid,
|
sizeof(struct
|
ndis_802_11_ssid));
|
r8712_update_registrypriv_dev_network
|
(adapter);
|
r8712_generate_random_ibss(pibss);
|
pmlmepriv->fw_state =
|
WIFI_ADHOC_MASTER_STATE;
|
pmlmepriv->to_join = false;
|
}
|
}
|
} else {
|
pmlmepriv->to_join = false;
|
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
|
if (!r8712_select_and_join_from_scan(pmlmepriv))
|
mod_timer(&pmlmepriv->assoc_timer, jiffies +
|
msecs_to_jiffies(MAX_JOIN_TIMEOUT));
|
else
|
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
|
}
|
}
|
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
|
}
|
|
/*
|
*r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
|
*/
|
void r8712_free_assoc_resources(struct _adapter *adapter)
|
{
|
unsigned long irqL;
|
struct wlan_network *pwlan = NULL;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
struct sta_priv *pstapriv = &adapter->stapriv;
|
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
|
|
pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
|
tgt_network->network.MacAddress);
|
|
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
|
struct sta_info *psta;
|
|
psta = r8712_get_stainfo(&adapter->stapriv,
|
tgt_network->network.MacAddress);
|
|
spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
|
r8712_free_stainfo(adapter, psta);
|
spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
|
}
|
|
if (check_fwstate(pmlmepriv,
|
WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE))
|
r8712_free_all_stainfo(adapter);
|
if (pwlan)
|
pwlan->fixed = false;
|
|
if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
|
(adapter->stapriv.asoc_sta_count == 1)))
|
free_network_nolock(pmlmepriv, pwlan);
|
}
|
|
/*
|
* r8712_indicate_connect: the caller has to lock pmlmepriv->lock
|
*/
|
void r8712_indicate_connect(struct _adapter *padapter)
|
{
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
|
pmlmepriv->to_join = false;
|
set_fwstate(pmlmepriv, _FW_LINKED);
|
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
|
r8712_os_indicate_connect(padapter);
|
if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
|
mod_timer(&pmlmepriv->dhcp_timer,
|
jiffies + msecs_to_jiffies(60000));
|
}
|
|
|
/*
|
* r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
|
*/
|
void r8712_ind_disconnect(struct _adapter *padapter)
|
{
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
|
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
|
_clr_fwstate_(pmlmepriv, _FW_LINKED);
|
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
|
r8712_os_indicate_disconnect(padapter);
|
}
|
if (padapter->pwrctrlpriv.pwr_mode !=
|
padapter->registrypriv.power_mgnt) {
|
del_timer(&pmlmepriv->dhcp_timer);
|
r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
|
padapter->registrypriv.smart_ps);
|
}
|
}
|
|
/*Notes:
|
*pnetwork : returns from r8712_joinbss_event_callback
|
*ptarget_wlan: found from scanned_queue
|
*if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
|
* "ptarget_sta" & "ptarget_wlan" exist.
|
*if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
|
* if "ptarget_wlan" exist.
|
*if join_res > 0, update "cur_network->network" from
|
* "pnetwork->network" if (ptarget_wlan !=NULL).
|
*/
|
void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
|
{
|
unsigned long irqL = 0, irqL2;
|
struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
|
struct sta_priv *pstapriv = &adapter->stapriv;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
struct wlan_network *cur_network = &pmlmepriv->cur_network;
|
struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
|
unsigned int the_same_macaddr = false;
|
struct wlan_network *pnetwork;
|
|
if (sizeof(struct list_head) == 4 * sizeof(u32)) {
|
pnetwork = kmalloc(sizeof(struct wlan_network), GFP_ATOMIC);
|
if (!pnetwork)
|
return;
|
memcpy((u8 *)pnetwork + 16, (u8 *)pbuf + 8,
|
sizeof(struct wlan_network) - 16);
|
} else {
|
pnetwork = (struct wlan_network *)pbuf;
|
}
|
|
#ifdef __BIG_ENDIAN
|
/* endian_convert */
|
pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
|
pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
|
pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
|
pnetwork->network.Ssid.SsidLength =
|
le32_to_cpu(pnetwork->network.Ssid.SsidLength);
|
pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
|
pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
|
pnetwork->network.NetworkTypeInUse =
|
le32_to_cpu(pnetwork->network.NetworkTypeInUse);
|
pnetwork->network.Configuration.ATIMWindow =
|
le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
|
pnetwork->network.Configuration.BeaconPeriod =
|
le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
|
pnetwork->network.Configuration.DSConfig =
|
le32_to_cpu(pnetwork->network.Configuration.DSConfig);
|
pnetwork->network.Configuration.FHConfig.DwellTime =
|
le32_to_cpu(pnetwork->network.Configuration.FHConfig.
|
DwellTime);
|
pnetwork->network.Configuration.FHConfig.HopPattern =
|
le32_to_cpu(pnetwork->network.Configuration.
|
FHConfig.HopPattern);
|
pnetwork->network.Configuration.FHConfig.HopSet =
|
le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
|
pnetwork->network.Configuration.FHConfig.Length =
|
le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
|
pnetwork->network.Configuration.Length =
|
le32_to_cpu(pnetwork->network.Configuration.Length);
|
pnetwork->network.InfrastructureMode =
|
le32_to_cpu(pnetwork->network.InfrastructureMode);
|
pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
|
#endif
|
|
the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
|
cur_network->network.MacAddress, ETH_ALEN);
|
pnetwork->network.Length =
|
r8712_get_wlan_bssid_ex_sz(&pnetwork->network);
|
spin_lock_irqsave(&pmlmepriv->lock, irqL);
|
if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
|
goto ignore_joinbss_callback;
|
if (pnetwork->join_res > 0) {
|
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
|
/*s1. find ptarget_wlan*/
|
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
|
if (the_same_macaddr) {
|
ptarget_wlan =
|
r8712_find_network(&pmlmepriv->
|
scanned_queue,
|
cur_network->network.MacAddress);
|
} else {
|
pcur_wlan =
|
r8712_find_network(&pmlmepriv->
|
scanned_queue,
|
cur_network->network.MacAddress);
|
pcur_wlan->fixed = false;
|
|
pcur_sta = r8712_get_stainfo(pstapriv,
|
cur_network->network.MacAddress);
|
spin_lock_irqsave(&pstapriv->
|
sta_hash_lock, irqL2);
|
r8712_free_stainfo(adapter, pcur_sta);
|
spin_unlock_irqrestore(&(pstapriv->
|
sta_hash_lock), irqL2);
|
|
ptarget_wlan =
|
r8712_find_network(&pmlmepriv->
|
scanned_queue,
|
pnetwork->network.
|
MacAddress);
|
if (ptarget_wlan)
|
ptarget_wlan->fixed = true;
|
}
|
} else {
|
ptarget_wlan = r8712_find_network(&pmlmepriv->
|
scanned_queue,
|
pnetwork->network.MacAddress);
|
if (ptarget_wlan)
|
ptarget_wlan->fixed = true;
|
}
|
|
if (!ptarget_wlan) {
|
if (check_fwstate(pmlmepriv,
|
_FW_UNDER_LINKING))
|
pmlmepriv->fw_state ^=
|
_FW_UNDER_LINKING;
|
goto ignore_joinbss_callback;
|
}
|
|
/*s2. find ptarget_sta & update ptarget_sta*/
|
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
|
if (the_same_macaddr) {
|
ptarget_sta =
|
r8712_get_stainfo(pstapriv,
|
pnetwork->network.MacAddress);
|
if (!ptarget_sta)
|
ptarget_sta =
|
r8712_alloc_stainfo(pstapriv,
|
pnetwork->network.MacAddress);
|
} else {
|
ptarget_sta =
|
r8712_alloc_stainfo(pstapriv,
|
pnetwork->network.MacAddress);
|
}
|
if (ptarget_sta) /*update ptarget_sta*/ {
|
ptarget_sta->aid = pnetwork->join_res;
|
ptarget_sta->qos_option = 1;
|
ptarget_sta->mac_id = 5;
|
if (adapter->securitypriv.
|
AuthAlgrthm == 2) {
|
adapter->securitypriv.
|
binstallGrpkey =
|
false;
|
adapter->securitypriv.
|
busetkipkey =
|
false;
|
adapter->securitypriv.
|
bgrpkey_handshake =
|
false;
|
ptarget_sta->ieee8021x_blocked
|
= true;
|
ptarget_sta->XPrivacy =
|
adapter->securitypriv.
|
PrivacyAlgrthm;
|
memset((u8 *)&ptarget_sta->
|
x_UncstKey,
|
0,
|
sizeof(union Keytype));
|
memset((u8 *)&ptarget_sta->
|
tkiprxmickey,
|
0,
|
sizeof(union Keytype));
|
memset((u8 *)&ptarget_sta->
|
tkiptxmickey,
|
0,
|
sizeof(union Keytype));
|
memset((u8 *)&ptarget_sta->
|
txpn, 0,
|
sizeof(union pn48));
|
memset((u8 *)&ptarget_sta->
|
rxpn, 0,
|
sizeof(union pn48));
|
}
|
} else {
|
if (check_fwstate(pmlmepriv,
|
_FW_UNDER_LINKING))
|
pmlmepriv->fw_state ^=
|
_FW_UNDER_LINKING;
|
goto ignore_joinbss_callback;
|
}
|
}
|
|
/*s3. update cur_network & indicate connect*/
|
memcpy(&cur_network->network, &pnetwork->network,
|
pnetwork->network.Length);
|
cur_network->aid = pnetwork->join_res;
|
/*update fw_state will clr _FW_UNDER_LINKING*/
|
switch (pnetwork->network.InfrastructureMode) {
|
case Ndis802_11Infrastructure:
|
pmlmepriv->fw_state = WIFI_STATION_STATE;
|
break;
|
case Ndis802_11IBSS:
|
pmlmepriv->fw_state = WIFI_ADHOC_STATE;
|
break;
|
default:
|
pmlmepriv->fw_state = WIFI_NULL_STATE;
|
break;
|
}
|
r8712_update_protection(adapter,
|
(cur_network->network.IEs) +
|
sizeof(struct NDIS_802_11_FIXED_IEs),
|
(cur_network->network.IELength));
|
/*TODO: update HT_Capability*/
|
update_ht_cap(adapter, cur_network->network.IEs,
|
cur_network->network.IELength);
|
/*indicate connect*/
|
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
|
r8712_indicate_connect(adapter);
|
del_timer(&pmlmepriv->assoc_timer);
|
} else {
|
goto ignore_joinbss_callback;
|
}
|
} else {
|
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
|
mod_timer(&pmlmepriv->assoc_timer,
|
jiffies + msecs_to_jiffies(1));
|
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
|
}
|
}
|
ignore_joinbss_callback:
|
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
|
if (sizeof(struct list_head) == 4 * sizeof(u32))
|
kfree(pnetwork);
|
}
|
|
void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
|
{
|
unsigned long irqL;
|
struct sta_info *psta;
|
struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
|
struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
|
|
/* to do: */
|
if (!r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr))
|
return;
|
psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
|
if (psta) {
|
/*the sta have been in sta_info_queue => do nothing
|
*(between drv has received this event before and
|
* fw have not yet to set key to CAM_ENTRY)
|
*/
|
return;
|
}
|
|
psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
|
if (!psta)
|
return;
|
/* to do : init sta_info variable */
|
psta->qos_option = 0;
|
psta->mac_id = le32_to_cpu(pstassoc->cam_id);
|
/* psta->aid = (uint)pstassoc->cam_id; */
|
|
if (adapter->securitypriv.AuthAlgrthm == 2)
|
psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
|
psta->ieee8021x_blocked = false;
|
spin_lock_irqsave(&pmlmepriv->lock, irqL);
|
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
|
check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
|
if (adapter->stapriv.asoc_sta_count == 2) {
|
/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
|
r8712_indicate_connect(adapter);
|
}
|
}
|
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
|
}
|
|
void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
|
{
|
unsigned long irqL, irqL2;
|
struct sta_info *psta;
|
struct wlan_network *pwlan = NULL;
|
struct wlan_bssid_ex *pdev_network = NULL;
|
u8 *pibss = NULL;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
struct stadel_event *pstadel = (struct stadel_event *)pbuf;
|
struct sta_priv *pstapriv = &adapter->stapriv;
|
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
|
|
spin_lock_irqsave(&pmlmepriv->lock, irqL2);
|
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
|
r8712_ind_disconnect(adapter);
|
r8712_free_assoc_resources(adapter);
|
}
|
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
|
WIFI_ADHOC_STATE)) {
|
psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
|
spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
|
r8712_free_stainfo(adapter, psta);
|
spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
|
if (adapter->stapriv.asoc_sta_count == 1) {
|
/*a sta + bc/mc_stainfo (not Ibss_stainfo) */
|
pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
|
tgt_network->network.MacAddress);
|
if (pwlan) {
|
pwlan->fixed = false;
|
free_network_nolock(pmlmepriv, pwlan);
|
}
|
/*re-create ibss*/
|
pdev_network = &(adapter->registrypriv.dev_network);
|
pibss = adapter->registrypriv.dev_network.MacAddress;
|
memcpy(pdev_network, &tgt_network->network,
|
r8712_get_wlan_bssid_ex_sz(&tgt_network->
|
network));
|
memcpy(&pdev_network->Ssid,
|
&pmlmepriv->assoc_ssid,
|
sizeof(struct ndis_802_11_ssid));
|
r8712_update_registrypriv_dev_network(adapter);
|
r8712_generate_random_ibss(pibss);
|
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
|
_clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
|
set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
|
}
|
}
|
}
|
spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
|
}
|
|
void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
|
{
|
struct reportpwrstate_parm *preportpwrstate =
|
(struct reportpwrstate_parm *)pbuf;
|
|
preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
|
r8712_cpwm_int_hdl(adapter, preportpwrstate);
|
}
|
|
/* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
|
* the ADDBA req frame with start seq control = 0 to wifi client after
|
* the WPA handshake and the seqence number of following data packet
|
* will be 0. In this case, the Rx reorder sequence is not longer than 0
|
* and the WiFi client will drop the data with seq number 0.
|
* So, the 8712 firmware has to inform driver with receiving the
|
* ADDBA-Req frame so that the driver can reset the
|
* sequence value of Rx reorder control.
|
*/
|
void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
|
{
|
struct ADDBA_Req_Report_parm *pAddbareq_pram =
|
(struct ADDBA_Req_Report_parm *)pbuf;
|
struct sta_info *psta;
|
struct sta_priv *pstapriv = &adapter->stapriv;
|
struct recv_reorder_ctrl *precvreorder_ctrl = NULL;
|
|
psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
|
if (psta) {
|
precvreorder_ctrl =
|
&psta->recvreorder_ctrl[pAddbareq_pram->tid];
|
/* set the indicate_seq to 0xffff so that the rx reorder
|
* can store any following data packet.
|
*/
|
precvreorder_ctrl->indicate_seq = 0xffff;
|
}
|
}
|
|
void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
|
{
|
if (!adapter->securitypriv.wps_hw_pbc_pressed)
|
adapter->securitypriv.wps_hw_pbc_pressed = true;
|
}
|
|
void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
|
{
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
|
struct registry_priv *pregistrypriv = &adapter->registrypriv;
|
u64 current_tx_pkts;
|
uint current_rx_pkts;
|
|
current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
|
(psitesurveyctrl->last_tx_pkts);
|
current_rx_pkts = (adapter->recvpriv.rx_pkts) -
|
(psitesurveyctrl->last_rx_pkts);
|
psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
|
psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
|
if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
|
(current_rx_pkts > pregistrypriv->busy_thresh))
|
psitesurveyctrl->traffic_busy = true;
|
else
|
psitesurveyctrl->traffic_busy = false;
|
}
|
|
void _r8712_join_timeout_handler(struct _adapter *adapter)
|
{
|
unsigned long irqL;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
|
if (adapter->driver_stopped || adapter->surprise_removed)
|
return;
|
spin_lock_irqsave(&pmlmepriv->lock, irqL);
|
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
|
pmlmepriv->to_join = false;
|
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
|
r8712_os_indicate_disconnect(adapter);
|
_clr_fwstate_(pmlmepriv, _FW_LINKED);
|
}
|
if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
|
r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
|
adapter->registrypriv.smart_ps);
|
}
|
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
|
}
|
|
void r8712_scan_timeout_handler (struct _adapter *adapter)
|
{
|
unsigned long irqL;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
|
spin_lock_irqsave(&pmlmepriv->lock, irqL);
|
_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
|
pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */
|
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
|
}
|
|
void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
|
{
|
if (adapter->driver_stopped || adapter->surprise_removed)
|
return;
|
if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
|
r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
|
adapter->registrypriv.smart_ps);
|
}
|
|
int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
|
{
|
struct list_head *phead;
|
unsigned char *dst_ssid, *src_ssid;
|
struct _adapter *adapter;
|
struct __queue *queue = NULL;
|
struct wlan_network *pnetwork = NULL;
|
struct wlan_network *pnetwork_max_rssi = NULL;
|
|
adapter = (struct _adapter *)pmlmepriv->nic_hdl;
|
queue = &pmlmepriv->scanned_queue;
|
phead = &queue->queue;
|
pmlmepriv->pscanned = phead->next;
|
while (1) {
|
if (end_of_queue_search(phead, pmlmepriv->pscanned)) {
|
if (pmlmepriv->assoc_by_rssi && pnetwork_max_rssi) {
|
pnetwork = pnetwork_max_rssi;
|
goto ask_for_joinbss;
|
}
|
return -EINVAL;
|
}
|
pnetwork = container_of(pmlmepriv->pscanned,
|
struct wlan_network, list);
|
pmlmepriv->pscanned = pmlmepriv->pscanned->next;
|
if (pmlmepriv->assoc_by_bssid) {
|
dst_ssid = pnetwork->network.MacAddress;
|
src_ssid = pmlmepriv->assoc_bssid;
|
if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
|
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
|
if (is_same_network(&pmlmepriv->
|
cur_network.network,
|
&pnetwork->network)) {
|
_clr_fwstate_(pmlmepriv,
|
_FW_UNDER_LINKING);
|
/*r8712_indicate_connect again*/
|
r8712_indicate_connect(adapter);
|
return 2;
|
}
|
r8712_disassoc_cmd(adapter);
|
r8712_ind_disconnect(adapter);
|
r8712_free_assoc_resources(adapter);
|
}
|
goto ask_for_joinbss;
|
}
|
} else if (pmlmepriv->assoc_ssid.SsidLength == 0) {
|
goto ask_for_joinbss;
|
}
|
dst_ssid = pnetwork->network.Ssid.Ssid;
|
src_ssid = pmlmepriv->assoc_ssid.Ssid;
|
if ((pnetwork->network.Ssid.SsidLength ==
|
pmlmepriv->assoc_ssid.SsidLength) &&
|
(!memcmp(dst_ssid, src_ssid,
|
pmlmepriv->assoc_ssid.SsidLength))) {
|
if (pmlmepriv->assoc_by_rssi) {
|
/* if the ssid is the same, select the bss
|
* which has the max rssi
|
*/
|
if (pnetwork_max_rssi) {
|
if (pnetwork->network.Rssi >
|
pnetwork_max_rssi->network.Rssi)
|
pnetwork_max_rssi = pnetwork;
|
} else {
|
pnetwork_max_rssi = pnetwork;
|
}
|
} else if (is_desired_network(adapter, pnetwork)) {
|
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
|
r8712_disassoc_cmd(adapter);
|
r8712_free_assoc_resources(adapter);
|
}
|
goto ask_for_joinbss;
|
}
|
}
|
}
|
|
ask_for_joinbss:
|
return r8712_joinbss_cmd(adapter, pnetwork);
|
}
|
|
int r8712_set_auth(struct _adapter *adapter,
|
struct security_priv *psecuritypriv)
|
{
|
struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
|
struct cmd_obj *pcmd;
|
struct setauth_parm *psetauthparm;
|
|
pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
|
if (!pcmd)
|
return -ENOMEM;
|
|
psetauthparm = kzalloc(sizeof(*psetauthparm), GFP_ATOMIC);
|
if (!psetauthparm) {
|
kfree(pcmd);
|
return -ENOMEM;
|
}
|
psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
|
pcmd->cmdcode = _SetAuth_CMD_;
|
pcmd->parmbuf = (unsigned char *)psetauthparm;
|
pcmd->cmdsz = sizeof(struct setauth_parm);
|
pcmd->rsp = NULL;
|
pcmd->rspsz = 0;
|
INIT_LIST_HEAD(&pcmd->list);
|
r8712_enqueue_cmd(pcmdpriv, pcmd);
|
return 0;
|
}
|
|
int r8712_set_key(struct _adapter *adapter,
|
struct security_priv *psecuritypriv,
|
sint keyid)
|
{
|
struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
|
struct cmd_obj *pcmd;
|
struct setkey_parm *psetkeyparm;
|
u8 keylen;
|
int ret;
|
|
pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
|
if (!pcmd)
|
return -ENOMEM;
|
psetkeyparm = kzalloc(sizeof(*psetkeyparm), GFP_ATOMIC);
|
if (!psetkeyparm) {
|
ret = -ENOMEM;
|
goto err_free_cmd;
|
}
|
if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
|
psetkeyparm->algorithm =
|
(u8)psecuritypriv->XGrpPrivacy;
|
} else { /* WEP */
|
psetkeyparm->algorithm =
|
(u8)psecuritypriv->PrivacyAlgrthm;
|
}
|
psetkeyparm->keyid = (u8)keyid;
|
|
switch (psetkeyparm->algorithm) {
|
case _WEP40_:
|
keylen = 5;
|
memcpy(psetkeyparm->key,
|
psecuritypriv->DefKey[keyid].skey, keylen);
|
break;
|
case _WEP104_:
|
keylen = 13;
|
memcpy(psetkeyparm->key,
|
psecuritypriv->DefKey[keyid].skey, keylen);
|
break;
|
case _TKIP_:
|
if (keyid < 1 || keyid > 2) {
|
ret = -EINVAL;
|
goto err_free_parm;
|
}
|
keylen = 16;
|
memcpy(psetkeyparm->key,
|
&psecuritypriv->XGrpKey[keyid - 1], keylen);
|
psetkeyparm->grpkey = 1;
|
break;
|
case _AES_:
|
if (keyid < 1 || keyid > 2) {
|
ret = -EINVAL;
|
goto err_free_parm;
|
}
|
keylen = 16;
|
memcpy(psetkeyparm->key,
|
&psecuritypriv->XGrpKey[keyid - 1], keylen);
|
psetkeyparm->grpkey = 1;
|
break;
|
default:
|
ret = -EINVAL;
|
goto err_free_parm;
|
}
|
pcmd->cmdcode = _SetKey_CMD_;
|
pcmd->parmbuf = (u8 *)psetkeyparm;
|
pcmd->cmdsz = (sizeof(struct setkey_parm));
|
pcmd->rsp = NULL;
|
pcmd->rspsz = 0;
|
INIT_LIST_HEAD(&pcmd->list);
|
r8712_enqueue_cmd(pcmdpriv, pcmd);
|
return 0;
|
|
err_free_parm:
|
kfree(psetkeyparm);
|
err_free_cmd:
|
kfree(pcmd);
|
return ret;
|
}
|
|
/* adjust IEs for r8712_joinbss_cmd in WMM */
|
int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
|
uint in_len, uint initial_out_len)
|
{
|
unsigned int ielength = 0;
|
unsigned int i, j;
|
|
i = 12; /* after the fixed IE */
|
while (i < in_len) {
|
ielength = initial_out_len;
|
if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
|
in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
|
in_ie[i + 5] == 0x02 && i + 5 < in_len) {
|
/*WMM element ID and OUI*/
|
for (j = i; j < i + 9; j++) {
|
out_ie[ielength] = in_ie[j];
|
ielength++;
|
}
|
out_ie[initial_out_len + 1] = 0x07;
|
out_ie[initial_out_len + 6] = 0x00;
|
out_ie[initial_out_len + 8] = 0x00;
|
break;
|
}
|
i += (in_ie[i + 1] + 2); /* to the next IE element */
|
}
|
return ielength;
|
}
|
|
/*
|
* Ported from 8185: IsInPreAuthKeyList().
|
*
|
* Search by BSSID,
|
* Return Value:
|
* -1 :if there is no pre-auth key in the table
|
* >=0 :if there is pre-auth key, and return the entry id
|
*/
|
static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
|
{
|
struct security_priv *psecuritypriv = &Adapter->securitypriv;
|
int i = 0;
|
|
do {
|
if (psecuritypriv->PMKIDList[i].bUsed &&
|
(!memcmp(psecuritypriv->PMKIDList[i].Bssid,
|
bssid, ETH_ALEN)))
|
break;
|
i++;
|
|
} while (i < NUM_PMKID_CACHE);
|
|
if (i == NUM_PMKID_CACHE) {
|
i = -1; /* Could not find. */
|
} else {
|
; /* There is one Pre-Authentication Key for the
|
* specific BSSID.
|
*/
|
}
|
return i;
|
}
|
|
sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
|
u8 *out_ie, uint in_len)
|
{
|
u8 authmode = 0, match;
|
u8 sec_ie[IW_CUSTOM_MAX], uncst_oui[4], bkup_ie[255];
|
u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
|
uint ielength, cnt, remove_cnt;
|
int iEntry;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
struct security_priv *psecuritypriv = &adapter->securitypriv;
|
uint ndisauthmode = psecuritypriv->ndisauthtype;
|
uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
|
|
if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
|
(ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
|
authmode = _WPA_IE_ID_;
|
uncst_oui[0] = 0x0;
|
uncst_oui[1] = 0x50;
|
uncst_oui[2] = 0xf2;
|
}
|
if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
|
(ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
|
authmode = _WPA2_IE_ID_;
|
uncst_oui[0] = 0x0;
|
uncst_oui[1] = 0x0f;
|
uncst_oui[2] = 0xac;
|
}
|
switch (ndissecuritytype) {
|
case Ndis802_11Encryption1Enabled:
|
case Ndis802_11Encryption1KeyAbsent:
|
uncst_oui[3] = 0x1;
|
break;
|
case Ndis802_11Encryption2Enabled:
|
case Ndis802_11Encryption2KeyAbsent:
|
uncst_oui[3] = 0x2;
|
break;
|
case Ndis802_11Encryption3Enabled:
|
case Ndis802_11Encryption3KeyAbsent:
|
uncst_oui[3] = 0x4;
|
break;
|
default:
|
break;
|
}
|
/*Search required WPA or WPA2 IE and copy to sec_ie[] */
|
cnt = 12;
|
match = false;
|
while (cnt < in_len) {
|
if (in_ie[cnt] == authmode) {
|
if ((authmode == _WPA_IE_ID_) &&
|
(!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) {
|
memcpy(&sec_ie[0], &in_ie[cnt],
|
in_ie[cnt + 1] + 2);
|
match = true;
|
break;
|
}
|
if (authmode == _WPA2_IE_ID_) {
|
memcpy(&sec_ie[0], &in_ie[cnt],
|
in_ie[cnt + 1] + 2);
|
match = true;
|
break;
|
}
|
if (((authmode == _WPA_IE_ID_) &&
|
(!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
|
(authmode == _WPA2_IE_ID_))
|
memcpy(&bkup_ie[0], &in_ie[cnt],
|
in_ie[cnt + 1] + 2);
|
}
|
cnt += in_ie[cnt + 1] + 2; /*get next*/
|
}
|
/*restruct WPA IE or WPA2 IE in sec_ie[] */
|
if (match) {
|
if (sec_ie[0] == _WPA_IE_ID_) {
|
/* parsing SSN IE to select required encryption
|
* algorithm, and set the bc/mc encryption algorithm
|
*/
|
while (true) {
|
/*check wpa_oui tag*/
|
if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
|
match = false;
|
break;
|
}
|
if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
|
/*IE Ver error*/
|
match = false;
|
break;
|
}
|
if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
|
/* get bc/mc encryption type (group
|
* key type)
|
*/
|
switch (sec_ie[11]) {
|
case 0x0: /*none*/
|
psecuritypriv->XGrpPrivacy =
|
_NO_PRIVACY_;
|
break;
|
case 0x1: /*WEP_40*/
|
psecuritypriv->XGrpPrivacy =
|
_WEP40_;
|
break;
|
case 0x2: /*TKIP*/
|
psecuritypriv->XGrpPrivacy =
|
_TKIP_;
|
break;
|
case 0x3: /*AESCCMP*/
|
case 0x4:
|
psecuritypriv->XGrpPrivacy =
|
_AES_;
|
break;
|
case 0x5: /*WEP_104*/
|
psecuritypriv->XGrpPrivacy =
|
_WEP104_;
|
break;
|
}
|
} else {
|
match = false;
|
break;
|
}
|
if (sec_ie[12] == 0x01) {
|
/*check the unicast encryption type*/
|
if (memcmp(&sec_ie[14],
|
&uncst_oui[0], 4)) {
|
match = false;
|
break;
|
|
} /*else the uncst_oui is match*/
|
} else { /*mixed mode, unicast_enc_type > 1*/
|
/*select the uncst_oui and remove
|
* the other uncst_oui
|
*/
|
cnt = sec_ie[12];
|
remove_cnt = (cnt - 1) * 4;
|
sec_ie[12] = 0x01;
|
memcpy(&sec_ie[14], &uncst_oui[0], 4);
|
/*remove the other unicast suit*/
|
memcpy(&sec_ie[18],
|
&sec_ie[18 + remove_cnt],
|
sec_ie[1] - 18 + 2 -
|
remove_cnt);
|
sec_ie[1] = sec_ie[1] - remove_cnt;
|
}
|
break;
|
}
|
}
|
if (authmode == _WPA2_IE_ID_) {
|
/* parsing RSN IE to select required encryption
|
* algorithm, and set the bc/mc encryption algorithm
|
*/
|
while (true) {
|
if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
|
/*IE Ver error*/
|
match = false;
|
break;
|
}
|
if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
|
/*get bc/mc encryption type*/
|
switch (sec_ie[7]) {
|
case 0x1: /*WEP_40*/
|
psecuritypriv->XGrpPrivacy =
|
_WEP40_;
|
break;
|
case 0x2: /*TKIP*/
|
psecuritypriv->XGrpPrivacy =
|
_TKIP_;
|
break;
|
case 0x4: /*AESWRAP*/
|
psecuritypriv->XGrpPrivacy =
|
_AES_;
|
break;
|
case 0x5: /*WEP_104*/
|
psecuritypriv->XGrpPrivacy =
|
_WEP104_;
|
break;
|
default: /*one*/
|
psecuritypriv->XGrpPrivacy =
|
_NO_PRIVACY_;
|
break;
|
}
|
} else {
|
match = false;
|
break;
|
}
|
if (sec_ie[8] == 0x01) {
|
/*check the unicast encryption type*/
|
if (memcmp(&sec_ie[10],
|
&uncst_oui[0], 4)) {
|
match = false;
|
break;
|
} /*else the uncst_oui is match*/
|
} else { /*mixed mode, unicast_enc_type > 1*/
|
/*select the uncst_oui and remove the
|
* other uncst_oui
|
*/
|
cnt = sec_ie[8];
|
remove_cnt = (cnt - 1) * 4;
|
sec_ie[8] = 0x01;
|
memcpy(&sec_ie[10], &uncst_oui[0], 4);
|
/*remove the other unicast suit*/
|
memcpy(&sec_ie[14],
|
&sec_ie[14 + remove_cnt],
|
(sec_ie[1] - 14 + 2 -
|
remove_cnt));
|
sec_ie[1] = sec_ie[1] - remove_cnt;
|
}
|
break;
|
}
|
}
|
}
|
if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
|
/*copy fixed ie*/
|
memcpy(out_ie, in_ie, 12);
|
ielength = 12;
|
/*copy RSN or SSN*/
|
if (match) {
|
memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1] + 2);
|
ielength += sec_ie[1] + 2;
|
if (authmode == _WPA2_IE_ID_) {
|
/*the Pre-Authentication bit should be zero*/
|
out_ie[ielength - 1] = 0;
|
out_ie[ielength - 2] = 0;
|
}
|
r8712_report_sec_ie(adapter, authmode, sec_ie);
|
}
|
} else {
|
/*copy fixed ie only*/
|
memcpy(out_ie, in_ie, 12);
|
ielength = 12;
|
if (psecuritypriv->wps_phase) {
|
memcpy(out_ie + ielength, psecuritypriv->wps_ie,
|
psecuritypriv->wps_ie_len);
|
ielength += psecuritypriv->wps_ie_len;
|
}
|
}
|
iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
|
if (iEntry < 0)
|
return ielength;
|
if (authmode == _WPA2_IE_ID_) {
|
out_ie[ielength] = 1;
|
ielength++;
|
out_ie[ielength] = 0; /*PMKID count = 0x0100*/
|
ielength++;
|
memcpy(&out_ie[ielength],
|
&psecuritypriv->PMKIDList[iEntry].PMKID, 16);
|
ielength += 16;
|
out_ie[13] += 18;/*PMKID length = 2+16*/
|
}
|
return ielength;
|
}
|
|
void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
|
{
|
struct registry_priv *pregistrypriv = &adapter->registrypriv;
|
struct eeprom_priv *peepriv = &adapter->eeprompriv;
|
struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
|
u8 *myhwaddr = myid(peepriv);
|
|
memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
|
memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
|
sizeof(struct ndis_802_11_ssid));
|
pdev_network->Configuration.Length =
|
sizeof(struct NDIS_802_11_CONFIGURATION);
|
pdev_network->Configuration.BeaconPeriod = 100;
|
pdev_network->Configuration.FHConfig.Length = 0;
|
pdev_network->Configuration.FHConfig.HopPattern = 0;
|
pdev_network->Configuration.FHConfig.HopSet = 0;
|
pdev_network->Configuration.FHConfig.DwellTime = 0;
|
}
|
|
void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
|
{
|
int sz = 0;
|
struct registry_priv *pregistrypriv = &adapter->registrypriv;
|
struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
|
struct security_priv *psecuritypriv = &adapter->securitypriv;
|
struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
|
|
pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
|
> 0 ? 1 : 0); /* adhoc no 802.1x */
|
pdev_network->Rssi = 0;
|
switch (pregistrypriv->wireless_mode) {
|
case WIRELESS_11B:
|
pdev_network->NetworkTypeInUse = Ndis802_11DS;
|
break;
|
case WIRELESS_11G:
|
case WIRELESS_11BG:
|
pdev_network->NetworkTypeInUse = Ndis802_11OFDM24;
|
break;
|
case WIRELESS_11A:
|
pdev_network->NetworkTypeInUse = Ndis802_11OFDM5;
|
break;
|
default:
|
/* TODO */
|
break;
|
}
|
pdev_network->Configuration.DSConfig = pregistrypriv->channel;
|
if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
|
pdev_network->Configuration.ATIMWindow = 3;
|
pdev_network->InfrastructureMode = cur_network->network.InfrastructureMode;
|
/* 1. Supported rates
|
* 2. IE
|
*/
|
sz = r8712_generate_ie(pregistrypriv);
|
pdev_network->IELength = sz;
|
pdev_network->Length = r8712_get_wlan_bssid_ex_sz(pdev_network);
|
}
|
|
/*the function is at passive_level*/
|
void r8712_joinbss_reset(struct _adapter *padapter)
|
{
|
int i;
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
|
|
/* todo: if you want to do something io/reg/hw setting before join_bss,
|
* please add code here
|
*/
|
phtpriv->ampdu_enable = false;/*reset to disabled*/
|
for (i = 0; i < 16; i++)
|
phtpriv->baddbareq_issued[i] = false;/*reset it*/
|
if (phtpriv->ht_option) {
|
/* validate usb rx aggregation */
|
r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
|
} else {
|
/* invalidate usb rx aggregation */
|
/* TH=1 => means that invalidate usb rx aggregation */
|
r8712_write8(padapter, 0x102500D9, 1);
|
}
|
}
|
|
/*the function is >= passive_level*/
|
unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
|
u8 *out_ie, uint in_len, uint *pout_len)
|
{
|
u32 ielen, out_len;
|
unsigned char *p;
|
struct rtl_ieee80211_ht_cap ht_capie;
|
unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
|
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
|
|
phtpriv->ht_option = 0;
|
p = r8712_get_ie(in_ie + 12, WLAN_EID_HT_CAPABILITY, &ielen, in_len - 12);
|
if (p && (ielen > 0)) {
|
if (pqospriv->qos_option == 0) {
|
out_len = *pout_len;
|
r8712_set_ie(out_ie + out_len, WLAN_EID_VENDOR_SPECIFIC,
|
_WMM_IE_Length_, WMM_IE, pout_len);
|
pqospriv->qos_option = 1;
|
}
|
out_len = *pout_len;
|
memset(&ht_capie, 0, sizeof(struct rtl_ieee80211_ht_cap));
|
ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
|
IEEE80211_HT_CAP_SGI_20 |
|
IEEE80211_HT_CAP_SGI_40 |
|
IEEE80211_HT_CAP_TX_STBC |
|
IEEE80211_HT_CAP_MAX_AMSDU |
|
IEEE80211_HT_CAP_DSSSCCK40);
|
ht_capie.ampdu_params_info = (IEEE80211_HT_AMPDU_PARM_FACTOR &
|
0x03) | (IEEE80211_HT_AMPDU_PARM_DENSITY & 0x00);
|
r8712_set_ie(out_ie + out_len, WLAN_EID_HT_CAPABILITY,
|
sizeof(struct rtl_ieee80211_ht_cap),
|
(unsigned char *)&ht_capie, pout_len);
|
phtpriv->ht_option = 1;
|
}
|
return phtpriv->ht_option;
|
}
|
|
/* the function is > passive_level (in critical_section) */
|
static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
|
{
|
u8 *p, max_ampdu_sz;
|
int i;
|
uint len;
|
struct sta_info *bmc_sta, *psta;
|
struct rtl_ieee80211_ht_cap *pht_capie;
|
struct recv_reorder_ctrl *preorder_ctrl;
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
|
struct registry_priv *pregistrypriv = &padapter->registrypriv;
|
struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
|
|
if (!phtpriv->ht_option)
|
return;
|
/* maybe needs check if ap supports rx ampdu. */
|
if (!phtpriv->ampdu_enable &&
|
(pregistrypriv->ampdu_enable == 1))
|
phtpriv->ampdu_enable = true;
|
/*check Max Rx A-MPDU Size*/
|
len = 0;
|
p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
|
WLAN_EID_HT_CAPABILITY,
|
&len, ie_len -
|
sizeof(struct NDIS_802_11_FIXED_IEs));
|
if (p && len > 0) {
|
pht_capie = (struct rtl_ieee80211_ht_cap *)(p + 2);
|
max_ampdu_sz = (pht_capie->ampdu_params_info &
|
IEEE80211_HT_AMPDU_PARM_FACTOR);
|
/* max_ampdu_sz (kbytes); */
|
max_ampdu_sz = 1 << (max_ampdu_sz + 3);
|
phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
|
}
|
/* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
|
* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
|
* wstart_b(indicate_seq) to default value=0xffff
|
* todo: check if AP can send A-MPDU packets
|
*/
|
bmc_sta = r8712_get_bcmc_stainfo(padapter);
|
if (bmc_sta) {
|
for (i = 0; i < 16; i++) {
|
preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
|
preorder_ctrl->indicate_seq = 0xffff;
|
preorder_ctrl->wend_b = 0xffff;
|
}
|
}
|
psta = r8712_get_stainfo(&padapter->stapriv,
|
pcur_network->network.MacAddress);
|
if (psta) {
|
for (i = 0; i < 16; i++) {
|
preorder_ctrl = &psta->recvreorder_ctrl[i];
|
preorder_ctrl->indicate_seq = 0xffff;
|
preorder_ctrl->wend_b = 0xffff;
|
}
|
}
|
len = 0;
|
p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
|
WLAN_EID_HT_OPERATION, &len,
|
ie_len - sizeof(struct NDIS_802_11_FIXED_IEs));
|
}
|
|
void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
|
{
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
|
|
if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable)) {
|
if (!phtpriv->baddbareq_issued[priority]) {
|
r8712_addbareq_cmd(padapter, (u8)priority);
|
phtpriv->baddbareq_issued[priority] = true;
|
}
|
}
|
}
|
