/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
******************************************************************************/
#define _RTW_MLME_C_
#include <drv_types.h>
#include <rtw_debug.h>
#include <linux/jiffies.h>
extern u8 rtw_do_join(struct adapter *padapter);
sint _rtw_init_mlme_priv(struct adapter *padapter)
{
sint i;
u8 *pbuf;
struct wlan_network *pnetwork;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
sint res = _SUCCESS;
/* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */
/* memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv)); */
pmlmepriv->nic_hdl = (u8 *)padapter;
pmlmepriv->pscanned = NULL;
pmlmepriv->fw_state = WIFI_STATION_STATE; /* Must sync with rtw_wdev_alloc() */
/* wdev->iftype = NL80211_IFTYPE_STATION */
pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown;
pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */
spin_lock_init(&(pmlmepriv->lock));
_rtw_init_queue(&(pmlmepriv->free_bss_pool));
_rtw_init_queue(&(pmlmepriv->scanned_queue));
set_scanned_network_val(pmlmepriv, 0);
memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
pbuf = vzalloc(MAX_BSS_CNT * (sizeof(struct wlan_network)));
if (pbuf == NULL) {
res = _FAIL;
goto exit;
}
pmlmepriv->free_bss_buf = pbuf;
pnetwork = (struct wlan_network *)pbuf;
for (i = 0; i < MAX_BSS_CNT; i++) {
INIT_LIST_HEAD(&(pnetwork->list));
list_add_tail(&(pnetwork->list), &(pmlmepriv->free_bss_pool.queue));
pnetwork++;
}
/* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
rtw_clear_scan_deny(padapter);
#define RTW_ROAM_SCAN_RESULT_EXP_MS 5000
#define RTW_ROAM_RSSI_DIFF_TH 10
#define RTW_ROAM_SCAN_INTERVAL_MS 10000
pmlmepriv->roam_flags = 0
| RTW_ROAM_ON_EXPIRED
| RTW_ROAM_ON_RESUME
#ifdef CONFIG_LAYER2_ROAMING_ACTIVE /* FIXME */
| RTW_ROAM_ACTIVE
#endif
;
pmlmepriv->roam_scanr_exp_ms = RTW_ROAM_SCAN_RESULT_EXP_MS;
pmlmepriv->roam_rssi_diff_th = RTW_ROAM_RSSI_DIFF_TH;
pmlmepriv->roam_scan_int_ms = RTW_ROAM_SCAN_INTERVAL_MS;
rtw_init_mlme_timer(padapter);
exit:
return res;
}
static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
{
if (*ppie) {
kfree(*ppie);
*plen = 0;
*ppie = NULL;
}
}
void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
{
rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
}
void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
{
rtw_free_mlme_priv_ie_data(pmlmepriv);
if (pmlmepriv) {
if (pmlmepriv->free_bss_buf) {
vfree(pmlmepriv->free_bss_buf);
}
}
}
/*
struct wlan_network *_rtw_dequeue_network(struct __queue *queue)
{
_irqL irqL;
struct wlan_network *pnetwork;
spin_lock_bh(&queue->lock);
if (list_empty(&queue->queue))
pnetwork = NULL;
else
{
pnetwork = LIST_CONTAINOR(get_next(&queue->queue), struct wlan_network, list);
list_del_init(&(pnetwork->list));
}
spin_unlock_bh(&queue->lock);
return pnetwork;
}
*/
struct wlan_network *_rtw_alloc_network(struct mlme_priv *pmlmepriv)/* _queue *free_queue) */
{
struct wlan_network *pnetwork;
struct __queue *free_queue = &pmlmepriv->free_bss_pool;
struct list_head *plist = NULL;
spin_lock_bh(&free_queue->lock);
if (list_empty(&free_queue->queue)) {
pnetwork = NULL;
goto exit;
}
plist = get_next(&(free_queue->queue));
pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
list_del_init(&pnetwork->list);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("_rtw_alloc_network: ptr =%p\n", plist));
pnetwork->network_type = 0;
pnetwork->fixed = false;
pnetwork->last_scanned = jiffies;
pnetwork->aid = 0;
pnetwork->join_res = 0;
pmlmepriv->num_of_scanned++;
exit:
spin_unlock_bh(&free_queue->lock);
return pnetwork;
}
void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall)
{
unsigned int delta_time;
u32 lifetime = SCANQUEUE_LIFETIME;
/* _irqL irqL; */
struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
if (pnetwork == NULL)
return;
if (pnetwork->fixed == true)
return;
if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
(check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true))
lifetime = 1;
if (!isfreeall) {
delta_time = jiffies_to_msecs(jiffies - pnetwork->last_scanned);
if (delta_time < lifetime)/* unit:msec */
return;
}
spin_lock_bh(&free_queue->lock);
list_del_init(&(pnetwork->list));
list_add_tail(&(pnetwork->list), &(free_queue->queue));
pmlmepriv->num_of_scanned--;
/* DBG_871X("_rtw_free_network:SSID =%s\n", pnetwork->network.Ssid.Ssid); */
spin_unlock_bh(&free_queue->lock);
}
void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
{
struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
if (pnetwork == NULL)
return;
if (pnetwork->fixed == true)
return;
/* spin_lock_irqsave(&free_queue->lock, irqL); */
list_del_init(&(pnetwork->list));
list_add_tail(&(pnetwork->list), get_list_head(free_queue));
pmlmepriv->num_of_scanned--;
/* spin_unlock_irqrestore(&free_queue->lock, irqL); */
}
/*
return the wlan_network with the matching addr
Shall be called under atomic context... to avoid possible racing condition...
*/
struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr)
{
struct list_head *phead, *plist;
struct wlan_network *pnetwork = NULL;
u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
if (!memcmp(zero_addr, addr, ETH_ALEN)) {
pnetwork = NULL;
goto exit;
}
/* spin_lock_bh(&scanned_queue->lock); */
phead = get_list_head(scanned_queue);
plist = get_next(phead);
while (plist != phead) {
pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
break;
plist = get_next(plist);
}
if (plist == phead)
pnetwork = NULL;
/* spin_unlock_bh(&scanned_queue->lock); */
exit:
return pnetwork;
}
void _rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
{
struct list_head *phead, *plist;
struct wlan_network *pnetwork;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
spin_lock_bh(&scanned_queue->lock);
phead = get_list_head(scanned_queue);
plist = get_next(phead);
while (phead != plist) {
pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
plist = get_next(plist);
_rtw_free_network(pmlmepriv, pnetwork, isfreeall);
}
spin_unlock_bh(&scanned_queue->lock);
}
sint rtw_if_up(struct adapter *padapter)
{
sint res;
if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
(check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)", padapter->bDriverStopped, padapter->bSurpriseRemoved));
res = false;
} else
res = true;
return res;
}
void rtw_generate_random_ibss(u8 *pibss)
{
unsigned long curtime = jiffies;
pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
pibss[1] = 0x11;
pibss[2] = 0x87;
pibss[3] = (u8)(curtime & 0xff) ;/* p[0]; */
pibss[4] = (u8)((curtime>>8) & 0xff) ;/* p[1]; */
pibss[5] = (u8)((curtime>>16) & 0xff) ;/* p[2]; */
return;
}
u8 *rtw_get_capability_from_ie(u8 *ie)
{
return (ie + 8 + 2);
}
u16 rtw_get_capability(struct wlan_bssid_ex *bss)
{
__le16 val;
memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
return le16_to_cpu(val);
}
u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
{
return (ie + 8);
}
int rtw_init_mlme_priv(struct adapter *padapter)/* struct mlme_priv *pmlmepriv) */
{
int res;
res = _rtw_init_mlme_priv(padapter);/* (pmlmepriv); */
return res;
}
void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
{
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_mlme_priv\n"));
_rtw_free_mlme_priv(pmlmepriv);
}
/*
static struct wlan_network *rtw_dequeue_network(struct __queue *queue)
{
struct wlan_network *pnetwork;
pnetwork = _rtw_dequeue_network(queue);
return pnetwork;
}
*/
struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv);
struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)/* _queue *free_queue) */
{
struct wlan_network *pnetwork;
pnetwork = _rtw_alloc_network(pmlmepriv);
return pnetwork;
}
void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork);
void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork)
{
/* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_network ==> ssid = %s\n\n" , pnetwork->network.Ssid.Ssid)); */
_rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork);
rtw_cfg80211_unlink_bss(padapter, pnetwork);
}
void rtw_free_network_queue(struct adapter *dev, u8 isfreeall)
{
_rtw_free_network_queue(dev, isfreeall);
}
/*
return the wlan_network with the matching addr
Shall be called under atomic context... to avoid possible racing condition...
*/
struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
{
struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr);
return pnetwork;
}
int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
{
int ret = true;
struct security_priv *psecuritypriv = &adapter->securitypriv;
if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
(pnetwork->network.Privacy == 0))
ret = false;
else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
(pnetwork->network.Privacy == 1))
ret = false;
else
ret = true;
return ret;
}
inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
{
/* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("(%s,%d)(%s,%d)\n", */
/* a->Ssid.Ssid, a->Ssid.SsidLength, b->Ssid.Ssid, b->Ssid.SsidLength)); */
return (a->Ssid.SsidLength == b->Ssid.SsidLength)
&& !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
}
int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 feature)
{
u16 s_cap, d_cap;
__le16 tmps, tmpd;
if (rtw_bug_check(dst, src, &s_cap, &d_cap) == false)
return false;
memcpy((u8 *)&tmps, rtw_get_capability_from_ie(src->IEs), 2);
memcpy((u8 *)&tmpd, rtw_get_capability_from_ie(dst->IEs), 2);
s_cap = le16_to_cpu(tmps);
d_cap = le16_to_cpu(tmpd);
return ((src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
/* (src->Configuration.DSConfig == dst->Configuration.DSConfig) && */
((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN))) &&
((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength))) &&
((s_cap & WLAN_CAPABILITY_IBSS) ==
(d_cap & WLAN_CAPABILITY_IBSS)) &&
((s_cap & WLAN_CAPABILITY_BSS) ==
(d_cap & WLAN_CAPABILITY_BSS)));
}
struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struct wlan_network *network)
{
struct list_head *phead, *plist;
struct wlan_network *found = NULL;
phead = get_list_head(scanned_queue);
plist = get_next(phead);
while (plist != phead) {
found = LIST_CONTAINOR(plist, struct wlan_network, list);
if (is_same_network(&network->network, &found->network, 0))
break;
plist = get_next(plist);
}
if (plist == phead)
found = NULL;
return found;
}
struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
{
struct list_head *plist, *phead;
struct wlan_network *pwlan = NULL;
struct wlan_network *oldest = NULL;
phead = get_list_head(scanned_queue);
plist = get_next(phead);
while (1) {
if (phead == plist)
break;
pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
if (pwlan->fixed != true) {
if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
oldest = pwlan;
}
plist = get_next(plist);
}
return oldest;
}
void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
struct adapter *padapter, bool update_ie)
{
long rssi_ori = dst->Rssi;
u8 sq_smp = src->PhyInfo.SignalQuality;
u8 ss_final;
u8 sq_final;
long rssi_final;
#if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT", ch%u) ss_ori:%3u, sq_ori:%3u, rssi_ori:%3ld, ss_smp:%3u, sq_smp:%3u, rssi_smp:%3ld\n"
, FUNC_ADPT_ARG(padapter)
, src->Ssid.Ssid, MAC_ARG(src->MacAddress), src->Configuration.DSConfig
, ss_ori, sq_ori, rssi_ori
, ss_smp, sq_smp, rssi_smp
);
}
#endif
/* The rule below is 1/5 for sample value, 4/5 for history value */
if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src, 0)) {
/* Take the recvpriv's value for the connected AP*/
ss_final = padapter->recvpriv.signal_strength;
sq_final = padapter->recvpriv.signal_qual;
/* the rssi value here is undecorated, and will be used for antenna diversity */
if (sq_smp != 101) /* from the right channel */
rssi_final = (src->Rssi+dst->Rssi*4)/5;
else
rssi_final = rssi_ori;
} else {
if (sq_smp != 101) { /* from the right channel */
ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5;
sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5;
rssi_final = (src->Rssi+dst->Rssi*4)/5;
} else {
/* bss info not receiving from the right channel, use the original RX signal infos */
ss_final = dst->PhyInfo.SignalStrength;
sq_final = dst->PhyInfo.SignalQuality;
rssi_final = dst->Rssi;
}
}
if (update_ie) {
dst->Reserved[0] = src->Reserved[0];
dst->Reserved[1] = src->Reserved[1];
memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
}
dst->PhyInfo.SignalStrength = ss_final;
dst->PhyInfo.SignalQuality = sq_final;
dst->Rssi = rssi_final;
#if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT"), SignalStrength:%u, SignalQuality:%u, RawRSSI:%ld\n"
, FUNC_ADPT_ARG(padapter)
, dst->Ssid.Ssid, MAC_ARG(dst->MacAddress), dst->PhyInfo.SignalStrength, dst->PhyInfo.SignalQuality, dst->Rssi);
}
#endif
}
static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
{
struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
rtw_bug_check(&(pmlmepriv->cur_network.network),
&(pmlmepriv->cur_network.network),
&(pmlmepriv->cur_network.network),
&(pmlmepriv->cur_network.network));
if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork, 0))) {
/* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"Same Network\n"); */
/* if (pmlmepriv->cur_network.network.IELength<= pnetwork->IELength) */
{
update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fix_ie),
pmlmepriv->cur_network.network.IELength);
}
}
}
/*
Caller must hold pmlmepriv->lock first.
*/
void rtw_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;
int target_find = 0;
u8 feature = 0;
spin_lock_bh(&queue->lock);
phead = get_list_head(queue);
plist = get_next(phead);
while (1) {
if (phead == plist)
break;
pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork);
if (is_same_network(&(pnetwork->network), target, feature)) {
target_find = 1;
break;
}
if (rtw_roam_flags(adapter)) {
/* TODO: don't select netowrk in the same ess as oldest if it's new enough*/
}
if (oldest == NULL || time_after(oldest->last_scanned, pnetwork->last_scanned))
oldest = pnetwork;
plist = get_next(plist);
}
/* If we didn't find a match, then get a new network slot to initialize
* with this beacon's information */
/* if (phead == plist) { */
if (!target_find) {
if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
/* If there are no more slots, expire the oldest */
/* list_del_init(&oldest->list); */
pnetwork = oldest;
if (pnetwork == NULL) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
goto exit;
}
memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
/* variable initialize */
pnetwork->fixed = false;
pnetwork->last_scanned = jiffies;
pnetwork->network_type = 0;
pnetwork->aid = 0;
pnetwork->join_res = 0;
/* bss info not receiving from the right channel */
if (pnetwork->network.PhyInfo.SignalQuality == 101)
pnetwork->network.PhyInfo.SignalQuality = 0;
} else {
/* Otherwise just pull from the free list */
pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
if (pnetwork == NULL) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
goto exit;
}
bssid_ex_sz = get_wlan_bssid_ex_sz(target);
target->Length = bssid_ex_sz;
memcpy(&(pnetwork->network), target, bssid_ex_sz);
pnetwork->last_scanned = jiffies;
/* bss info not receiving from the right channel */
if (pnetwork->network.PhyInfo.SignalQuality == 101)
pnetwork->network.PhyInfo.SignalQuality = 0;
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
*/
bool update_ie = true;
pnetwork->last_scanned = jiffies;
/* target.Reserved[0]== 1, means that scanned network is a bcn frame. */
if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
update_ie = false;
/* probe resp(3) > beacon(1) > probe req(2) */
if ((target->Reserved[0] != 2) &&
(target->Reserved[0] >= pnetwork->network.Reserved[0])
) {
update_ie = true;
} else {
update_ie = false;
}
update_network(&(pnetwork->network), target, adapter, update_ie);
}
exit:
spin_unlock_bh(&queue->lock);
}
void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork);
void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
{
/* struct __queue *queue = &(pmlmepriv->scanned_queue); */
/* spin_lock_bh(&queue->lock); */
update_current_network(adapter, pnetwork);
rtw_update_scanned_network(adapter, pnetwork);
/* spin_unlock_bh(&queue->lock); */
}
/* 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 */
int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork);
int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
{
struct security_priv *psecuritypriv = &adapter->securitypriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u32 desired_encmode;
u32 privacy;
/* u8 wps_ie[512]; */
uint wps_ielen;
int bselected = true;
desired_encmode = psecuritypriv->ndisencryptstatus;
privacy = pnetwork->network.Privacy;
if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL)
return true;
else
return false;
}
if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
u8 *p = NULL;
uint ie_len = 0;
if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
bselected = false;
if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) {
p = rtw_get_ie(pnetwork->network.IEs + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pnetwork->network.IELength - _BEACON_IE_OFFSET_));
if (p && ie_len > 0) {
bselected = true;
} else {
bselected = false;
}
}
}
if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
DBG_871X("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
bselected = false;
}
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
bselected = false;
}
return bselected;
}
/* TODO: Perry : For Power Management */
void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
{
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_evet\n"));
}
void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
{
u32 len;
struct wlan_bssid_ex *pnetwork;
struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
pnetwork = (struct wlan_bssid_ex *)pbuf;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid =%s\n", pnetwork->Ssid.Ssid));
len = get_wlan_bssid_ex_sz(pnetwork);
if (len > (sizeof(struct wlan_bssid_ex))) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n ****rtw_survey_event_callback: return a wrong bss ***\n"));
return;
}
spin_lock_bh(&pmlmepriv->lock);
/* update IBSS_network 's timestamp */
if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
/* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"rtw_survey_event_callback : WIFI_ADHOC_MASTER_STATE\n\n"); */
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);
spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress);
if (ibss_wlan) {
memcpy(ibss_wlan->network.IEs, pnetwork->IEs, 8);
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
goto exit;
}
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
}
}
/* lock pmlmepriv->lock when you accessing network_q */
if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
if (pnetwork->Ssid.Ssid[0] == 0) {
pnetwork->Ssid.SsidLength = 0;
}
rtw_add_network(adapter, pnetwork);
}
exit:
spin_unlock_bh(&pmlmepriv->lock);
return;
}
void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
{
u8 timer_cancelled = false;
struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
spin_lock_bh(&pmlmepriv->lock);
if (pmlmepriv->wps_probe_req_ie) {
pmlmepriv->wps_probe_req_ie_len = 0;
kfree(pmlmepriv->wps_probe_req_ie);
pmlmepriv->wps_probe_req_ie = NULL;
}
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
/* u8 timer_cancelled; */
timer_cancelled = true;
/* _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled); */
_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
} else {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status =%x, survey done event comes too late!\n", get_fwstate(pmlmepriv)));
}
spin_unlock_bh(&pmlmepriv->lock);
if (timer_cancelled)
_cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
spin_lock_bh(&pmlmepriv->lock);
rtw_set_signal_stat_timer(&adapter->recvpriv);
if (pmlmepriv->to_join == true) {
if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
_set_timer(&pmlmepriv->assoc_timer, 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;because don't set assoc_timer */
_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n"));
memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
rtw_update_registrypriv_dev_network(adapter);
rtw_generate_random_ibss(pibss);
pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
if (rtw_createbss_cmd(adapter) != _SUCCESS) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error =>rtw_createbss_cmd status FAIL\n"));
}
pmlmepriv->to_join = false;
}
}
} else{
int s_ret;
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
pmlmepriv->to_join = false;
s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
if (_SUCCESS == s_ret) {
_set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
} else if (s_ret == 2) {/* there is no need to wait for join */
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
rtw_indicate_connect(adapter);
} else{
DBG_871X("try_to_join, but select scanning queue fail, to_roam:%d\n", rtw_to_roam(adapter));
if (rtw_to_roam(adapter) != 0) {
if (rtw_dec_to_roam(adapter) == 0
|| _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)
) {
rtw_set_to_roam(adapter, 0);
#ifdef CONFIG_INTEL_WIDI
if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) {
memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN);
intel_widi_wk_cmd(adapter, INTEL_WIDI_LISTEN_WK, NULL, 0);
DBG_871X("change to widi listen\n");
}
#endif /* CONFIG_INTEL_WIDI */
rtw_free_assoc_resources(adapter, 1);
rtw_indicate_disconnect(adapter);
} else {
pmlmepriv->to_join = true;
}
} else
rtw_indicate_disconnect(adapter);
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
}
}
} else {
if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
&& check_fwstate(pmlmepriv, _FW_LINKED)) {
if (rtw_select_roaming_candidate(pmlmepriv) == _SUCCESS) {
receive_disconnect(adapter, pmlmepriv->cur_network.network.MacAddress
, WLAN_REASON_ACTIVE_ROAM);
}
}
}
}
/* DBG_871X("scan complete in %dms\n", jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time)); */
spin_unlock_bh(&pmlmepriv->lock);
rtw_os_xmit_schedule(adapter);
rtw_cfg80211_surveydone_event_callback(adapter);
rtw_indicate_scan_done(adapter, false);
}
void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
{
}
void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
{
}
static void free_scanqueue(struct mlme_priv *pmlmepriv)
{
struct __queue *free_queue = &pmlmepriv->free_bss_pool;
struct __queue *scan_queue = &pmlmepriv->scanned_queue;
struct list_head *plist, *phead, *ptemp;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
spin_lock_bh(&scan_queue->lock);
spin_lock_bh(&free_queue->lock);
phead = get_list_head(scan_queue);
plist = get_next(phead);
while (plist != phead) {
ptemp = get_next(plist);
list_del_init(plist);
list_add_tail(plist, &free_queue->queue);
plist = ptemp;
pmlmepriv->num_of_scanned--;
}
spin_unlock_bh(&free_queue->lock);
spin_unlock_bh(&scan_queue->lock);
}
static void rtw_reset_rx_info(struct debug_priv *pdbgpriv)
{
pdbgpriv->dbg_rx_ampdu_drop_count = 0;
pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0;
pdbgpriv->dbg_rx_ampdu_loss_count = 0;
pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0;
pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0;
}
static void find_network(struct adapter *adapter)
{
struct wlan_network *pwlan = NULL;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
if (pwlan)
pwlan->fixed = false;
else
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources : pwlan == NULL\n\n"));
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
(adapter->stapriv.asoc_sta_count == 1))
rtw_free_network_nolock(adapter, pwlan);
}
/*
*rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
*/
void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
{
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
struct sta_priv *pstapriv = &adapter->stapriv;
struct dvobj_priv *psdpriv = adapter->dvobj;
struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n"));
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("tgt_network->network.MacAddress ="MAC_FMT" ssid =%s\n",
MAC_ARG(tgt_network->network.MacAddress), tgt_network->network.Ssid.Ssid));
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
struct sta_info *psta;
psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress);
spin_lock_bh(&(pstapriv->sta_hash_lock));
rtw_free_stainfo(adapter, psta);
spin_unlock_bh(&(pstapriv->sta_hash_lock));
}
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
struct sta_info *psta;
rtw_free_all_stainfo(adapter);
psta = rtw_get_bcmc_stainfo(adapter);
rtw_free_stainfo(adapter, psta);
rtw_init_bcmc_stainfo(adapter);
}
find_network(adapter);
if (lock_scanned_queue)
adapter->securitypriv.key_mask = 0;
rtw_reset_rx_info(pdbgpriv);
}
/*
*rtw_indicate_connect: the caller has to lock pmlmepriv->lock
*/
void rtw_indicate_connect(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n"));
pmlmepriv->to_join = false;
if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
set_fwstate(pmlmepriv, _FW_LINKED);
rtw_os_indicate_connect(padapter);
}
rtw_set_to_roam(padapter, 0);
#ifdef CONFIG_INTEL_WIDI
if (padapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) {
memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN);
intel_widi_wk_cmd(padapter, INTEL_WIDI_LISTEN_WK, NULL, 0);
DBG_871X("change to widi listen\n");
}
#endif /* CONFIG_INTEL_WIDI */
rtw_set_scan_deny(padapter, 3000);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state = 0x%08x\n", get_fwstate(pmlmepriv)));
}
/*
*rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
*/
void rtw_indicate_disconnect(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS);
/* DBG_871X("clear wps when %s\n", __func__); */
if (rtw_to_roam(padapter) > 0)
_clr_fwstate_(pmlmepriv, _FW_LINKED);
if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)
|| (rtw_to_roam(padapter) <= 0)
) {
rtw_os_indicate_disconnect(padapter);
/* set ips_deny_time to avoid enter IPS before LPS leave */
rtw_set_ips_deny(padapter, 3000);
_clr_fwstate_(pmlmepriv, _FW_LINKED);
rtw_clear_scan_deny(padapter);
}
rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
}
inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
{
DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
rtw_os_indicate_scan_done(padapter, aborted);
if (is_primary_adapter(padapter) &&
(!adapter_to_pwrctl(padapter)->bInSuspend) &&
(!check_fwstate(&padapter->mlmepriv,
WIFI_ASOC_STATE|WIFI_UNDER_LINKING))) {
struct pwrctrl_priv *pwrpriv;
pwrpriv = adapter_to_pwrctl(padapter);
rtw_set_ips_deny(padapter, 0);
_set_timer(&padapter->mlmepriv.dynamic_chk_timer, 1);
}
}
void rtw_scan_abort(struct adapter *adapter)
{
unsigned long start;
struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
start = jiffies;
pmlmeext->scan_abort = true;
while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)
&& jiffies_to_msecs(start) <= 200) {
if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
break;
DBG_871X(FUNC_NDEV_FMT"fw_state = _FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
msleep(20);
}
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
DBG_871X(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
rtw_indicate_scan_done(adapter, true);
}
pmlmeext->scan_abort = false;
}
static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
{
int i;
struct sta_info *bmc_sta, *psta = NULL;
struct recv_reorder_ctrl *preorder_ctrl;
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
if (psta == NULL) {
psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
}
if (psta) { /* update ptarget_sta */
DBG_871X("%s\n", __func__);
psta->aid = pnetwork->join_res;
update_sta_info(padapter, psta);
/* update station supportRate */
psta->bssratelen = rtw_get_rateset_len(pnetwork->network.SupportedRates);
memcpy(psta->bssrateset, pnetwork->network.SupportedRates, psta->bssratelen);
rtw_hal_update_sta_rate_mask(padapter, psta);
psta->wireless_mode = pmlmeext->cur_wireless_mode;
psta->raid = rtw_hal_networktype_to_raid(padapter, psta);
/* sta mode */
rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
/* security related */
if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
padapter->securitypriv.binstallGrpkey = false;
padapter->securitypriv.busetkipkey = false;
padapter->securitypriv.bgrpkey_handshake = false;
psta->ieee8021x_blocked = true;
psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
psta->dot11txpn.val = psta->dot11txpn.val + 1;
memset((u8 *)&psta->dot11wtxpn, 0, sizeof(union pn48));
memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
}
/* Commented by Albert 2012/07/21 */
/* When doing the WPS, the wps_ie_len won't equal to 0 */
/* And the Wi-Fi driver shouldn't allow the data packet to be transmitted. */
if (padapter->securitypriv.wps_ie_len != 0) {
psta->ieee8021x_blocked = true;
padapter->securitypriv.wps_ie_len = 0;
}
/* 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 */
for (i = 0; i < 16 ; i++) {
/* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
preorder_ctrl = &psta->recvreorder_ctrl[i];
preorder_ctrl->enable = false;
preorder_ctrl->indicate_seq = 0xffff;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
preorder_ctrl->indicate_seq);
#endif
preorder_ctrl->wend_b = 0xffff;
preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
}
bmc_sta = rtw_get_bcmc_stainfo(padapter);
if (bmc_sta) {
for (i = 0; i < 16 ; i++) {
/* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
preorder_ctrl->enable = false;
preorder_ctrl->indicate_seq = 0xffff;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
preorder_ctrl->indicate_seq);
#endif
preorder_ctrl->wend_b = 0xffff;
preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
}
}
}
return psta;
}
/* pnetwork : returns from rtw_joinbss_event_callback */
/* ptarget_wlan: found from scanned_queue */
static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct wlan_network *cur_network = &(pmlmepriv->cur_network);
DBG_871X("%s\n", __func__);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nfw_state:%x, BSSID:"MAC_FMT"\n"
, get_fwstate(pmlmepriv), MAC_ARG(pnetwork->network.MacAddress)));
/* why not use ptarget_wlan?? */
memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length);
/* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
cur_network->network.IELength = ptarget_wlan->network.IELength;
memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
cur_network->aid = pnetwork->join_res;
rtw_set_signal_stat_timer(&padapter->recvpriv);
padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
/* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */
padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
#if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1
DBG_871X(FUNC_ADPT_FMT" signal_strength:%3u, rssi:%3d, signal_qual:%3u"
"\n"
, FUNC_ADPT_ARG(padapter)
, padapter->recvpriv.signal_strength
, padapter->recvpriv.rssi
, padapter->recvpriv.signal_qual
);
#endif
rtw_set_signal_stat_timer(&padapter->recvpriv);
/* update fw_state will clr _FW_UNDER_LINKING here indirectly */
switch (pnetwork->network.InfrastructureMode) {
case Ndis802_11Infrastructure:
if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
else
pmlmepriv->fw_state = WIFI_STATION_STATE;
break;
case Ndis802_11IBSS:
pmlmepriv->fw_state = WIFI_ADHOC_STATE;
break;
default:
pmlmepriv->fw_state = WIFI_NULL_STATE;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
break;
}
rtw_update_protection(padapter, (cur_network->network.IEs) + sizeof(struct ndis_802_11_fix_ie),
(cur_network->network.IELength));
rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength, (u8) cur_network->network.Configuration.DSConfig);
}
/* Notes: the function could be > passive_level (the same context as Rx tasklet) */
/* pnetwork : returns from rtw_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). */
/* */
/* define REJOIN */
void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
{
static u8 retry;
u8 timer_cancelled;
struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
struct wlan_network *cur_network = &(pmlmepriv->cur_network);
struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
unsigned int the_same_macaddr = false;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res =%d\n", pnetwork->join_res));
rtw_get_encrypt_decrypt_from_registrypriv(adapter);
if (pmlmepriv->assoc_ssid.SsidLength == 0) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n"));
} else{
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
}
the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
return;
}
spin_lock_bh(&pmlmepriv->lock);
pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n rtw_joinbss_event_callback !! spin_lock_irqsave\n"));
if (pnetwork->join_res > 0) {
spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
retry = 0;
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
/* s1. find ptarget_wlan */
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
if (the_same_macaddr == true) {
ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
} else{
pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
if (pcur_wlan)
pcur_wlan->fixed = false;
pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
if (pcur_sta)
rtw_free_stainfo(adapter, pcur_sta);
ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
if (ptarget_wlan)
ptarget_wlan->fixed = true;
}
}
} else{
ptarget_wlan = _rtw_find_same_network(&pmlmepriv->scanned_queue, pnetwork);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
if (ptarget_wlan)
ptarget_wlan->fixed = true;
}
}
/* s2. update cur_network */
if (ptarget_wlan) {
rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
} else{
DBG_871X_LEVEL(_drv_always_, "Can't find ptarget_wlan when joinbss_event callback\n");
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
goto ignore_joinbss_callback;
}
/* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
if (ptarget_sta == NULL) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
goto ignore_joinbss_callback;
}
}
/* s4. indicate connect */
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
pmlmepriv->cur_network_scanned = ptarget_wlan;
rtw_indicate_connect(adapter);
} else{
/* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
}
/* s5. Cancel assoc_timer */
_cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancel assoc_timer\n"));
} else{
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv)));
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
goto ignore_joinbss_callback;
}
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
} else if (pnetwork->join_res == -4) {
rtw_reset_securitypriv(adapter);
_set_timer(&pmlmepriv->assoc_timer, 1);
/* rtw_free_assoc_resources(adapter, 1); */
if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state =%x\n", get_fwstate(pmlmepriv)));
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
}
} else{/* if join_res < 0 (join fails), then try again */
#ifdef REJOIN
res = _FAIL;
if (retry < 2) {
res = rtw_select_and_join_from_scanned_queue(pmlmepriv);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_select_and_join_from_scanned_queue again! res:%d\n", res));
}
if (res == _SUCCESS) {
/* extend time of assoc_timer */
_set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
retry++;
} else if (res == 2) {/* there is no need to wait for join */
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
rtw_indicate_connect(adapter);
} else{
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Set Assoc_Timer = 1; can't find match ssid in scanned_q\n"));
#endif
_set_timer(&pmlmepriv->assoc_timer, 1);
/* rtw_free_assoc_resources(adapter, 1); */
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
#ifdef REJOIN
retry = 0;
}
#endif
}
ignore_joinbss_callback:
spin_unlock_bh(&pmlmepriv->lock);
}
void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
{
struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
rtw_os_xmit_schedule(adapter);
}
/* FOR STA, AP , AD-HOC mode */
void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u32 mstatus)
{
u16 media_status_rpt;
if (psta == NULL)
return;
media_status_rpt = (u16)((psta->mac_id<<8)|mstatus); /* MACID|OPMODE:1 connect */
rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status_rpt);
}
void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
{
struct sta_info *psta;
struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
struct wlan_network *cur_network = &(pmlmepriv->cur_network);
struct wlan_network *ptarget_wlan = NULL;
if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
return;
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
if (psta) {
u8 *passoc_req = NULL;
u32 assoc_req_len = 0;
rtw_sta_media_status_rpt(adapter, psta, 1);
#ifndef CONFIG_AUTO_AP_MODE
ap_sta_info_defer_update(adapter, psta);
/* report to upper layer */
DBG_871X("indicate_sta_assoc_event to upper layer - hostapd\n");
spin_lock_bh(&psta->lock);
if (psta->passoc_req && psta->assoc_req_len > 0) {
passoc_req = rtw_zmalloc(psta->assoc_req_len);
if (passoc_req) {
assoc_req_len = psta->assoc_req_len;
memcpy(passoc_req, psta->passoc_req, assoc_req_len);
kfree(psta->passoc_req);
psta->passoc_req = NULL;
psta->assoc_req_len = 0;
}
}
spin_unlock_bh(&psta->lock);
if (passoc_req && assoc_req_len > 0) {
rtw_cfg80211_indicate_sta_assoc(adapter, passoc_req, assoc_req_len);
kfree(passoc_req);
}
#endif /* CONFIG_AUTO_AP_MODE */
}
return;
}
/* for AD-HOC mode */
psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
if (psta != NULL) {
/* the sta have been in sta_info_queue => do nothing */
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
}
psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
if (psta == NULL) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
return;
}
/* to do : init sta_info variable */
psta->qos_option = 0;
psta->mac_id = (uint)pstassoc->cam_id;
/* psta->aid = (uint)pstassoc->cam_id; */
DBG_871X("%s\n", __func__);
/* for ad-hoc mode */
rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
rtw_sta_media_status_rpt(adapter, psta, 1);
if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
psta->ieee8021x_blocked = false;
spin_lock_bh(&pmlmepriv->lock);
if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
(check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
if (adapter->stapriv.asoc_sta_count == 2) {
spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
pmlmepriv->cur_network_scanned = ptarget_wlan;
if (ptarget_wlan)
ptarget_wlan->fixed = true;
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
rtw_indicate_connect(adapter);
}
}
spin_unlock_bh(&pmlmepriv->lock);
mlmeext_sta_add_event_callback(adapter, psta);
}
void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
{
int mac_id = (-1);
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 wlan_network *tgt_network = &(pmlmepriv->cur_network);
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
if (psta)
mac_id = psta->mac_id;
else
mac_id = pstadel->mac_id;
DBG_871X("%s(mac_id =%d) =" MAC_FMT "\n", __func__, mac_id, MAC_ARG(pstadel->macaddr));
if (mac_id >= 0) {
u16 media_status;
media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */
/* for STA, AP, ADHOC mode, report disconnect stauts to FW */
rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
}
/* if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) */
if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
return;
mlmeext_sta_del_event_callback(adapter);
spin_lock_bh(&pmlmepriv->lock);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
u16 reason = *((unsigned short *)(pstadel->rsvd));
bool roam = false;
struct wlan_network *roam_target = NULL;
if (adapter->registrypriv.wifi_spec == 1) {
roam = false;
} else if (reason == WLAN_REASON_EXPIRATION_CHK && rtw_chk_roam_flags(adapter, RTW_ROAM_ON_EXPIRED)) {
roam = true;
} else if (reason == WLAN_REASON_ACTIVE_ROAM && rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
roam = true;
roam_target = pmlmepriv->roam_network;
}
#ifdef CONFIG_INTEL_WIDI
else if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_CONNECTED) {
roam = true;
}
#endif /* CONFIG_INTEL_WIDI */
if (roam == true) {
if (rtw_to_roam(adapter) > 0)
rtw_dec_to_roam(adapter); /* this stadel_event is caused by roaming, decrease to_roam */
else if (rtw_to_roam(adapter) == 0)
rtw_set_to_roam(adapter, adapter->registrypriv.max_roaming_times);
} else {
rtw_set_to_roam(adapter, 0);
}
rtw_free_uc_swdec_pending_queue(adapter);
rtw_free_assoc_resources(adapter, 1);
rtw_indicate_disconnect(adapter);
spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
/* remove the network entry in scanned_queue */
pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
if (pwlan) {
pwlan->fixed = false;
rtw_free_network_nolock(adapter, pwlan);
}
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
#ifdef CONFIG_INTEL_WIDI
if (!rtw_to_roam(adapter))
process_intel_widi_disconnect(adapter, 1);
#endif /* CONFIG_INTEL_WIDI */
_rtw_roaming(adapter, roam_target);
}
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
rtw_free_stainfo(adapter, psta);
if (adapter->stapriv.asoc_sta_count == 1) {/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
/* rtw_indicate_disconnect(adapter);removed@20091105 */
spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
/* free old ibss network */
/* pwlan = rtw_find_network(&pmlmepriv->scanned_queue, pstadel->macaddr); */
pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
if (pwlan) {
pwlan->fixed = false;
rtw_free_network_nolock(adapter, pwlan);
}
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
/* re-create ibss */
pdev_network = &(adapter->registrypriv.dev_network);
pibss = adapter->registrypriv.dev_network.MacAddress;
memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
rtw_update_registrypriv_dev_network(adapter);
rtw_generate_random_ibss(pibss);
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
_clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
}
if (rtw_createbss_cmd(adapter) != _SUCCESS) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error =>stadel_event_callback: rtw_createbss_cmd status FAIL***\n "));
}
}
}
spin_unlock_bh(&pmlmepriv->lock);
}
void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
{
struct reportpwrstate_parm *preportpwrstate;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n"));
preportpwrstate = (struct reportpwrstate_parm *)pbuf;
preportpwrstate->state |= (u8)(adapter_to_pwrctl(padapter)->cpwm_tog + 0x80);
cpwm_int_hdl(padapter, preportpwrstate);
}
void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf)
{
WMMOnAssocRsp(padapter);
}
/*
* _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss
* @adapter: pointer to struct adapter structure
*/
void _rtw_join_timeout_handler (struct adapter *adapter)
{
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
DBG_871X("%s, fw_state =%x\n", __func__, get_fwstate(pmlmepriv));
if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
return;
spin_lock_bh(&pmlmepriv->lock);
if (rtw_to_roam(adapter) > 0) { /* join timeout caused by roaming */
while (1) {
rtw_dec_to_roam(adapter);
if (rtw_to_roam(adapter) != 0) { /* try another */
int do_join_r;
DBG_871X("%s try another roaming\n", __func__);
do_join_r = rtw_do_join(adapter);
if (_SUCCESS != do_join_r) {
DBG_871X("%s roaming do_join return %d\n", __func__, do_join_r);
continue;
}
break;
} else {
#ifdef CONFIG_INTEL_WIDI
if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) {
memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN);
intel_widi_wk_cmd(adapter, INTEL_WIDI_LISTEN_WK, NULL, 0);
DBG_871X("change to widi listen\n");
}
#endif /* CONFIG_INTEL_WIDI */
DBG_871X("%s We've try roaming but fail\n", __func__);
rtw_indicate_disconnect(adapter);
break;
}
}
} else{
rtw_indicate_disconnect(adapter);
free_scanqueue(pmlmepriv);/* */
/* indicate disconnect for the case that join_timeout and check_fwstate != FW_LINKED */
rtw_cfg80211_indicate_disconnect(adapter);
}
spin_unlock_bh(&pmlmepriv->lock);
}
/*
* rtw_scan_timeout_handler - Timeout/Failure handler for CMD SiteSurvey
* @adapter: pointer to struct adapter structure
*/
void rtw_scan_timeout_handler (struct adapter *adapter)
{
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
DBG_871X(FUNC_ADPT_FMT" fw_state =%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
spin_lock_bh(&pmlmepriv->lock);
_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
spin_unlock_bh(&pmlmepriv->lock);
rtw_indicate_scan_done(adapter, true);
}
void rtw_mlme_reset_auto_scan_int(struct adapter *adapter)
{
struct mlme_priv *mlme = &adapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pmlmeinfo->VHT_enable) /* disable auto scan when connect to 11AC AP */
mlme->auto_scan_int_ms = 0;
else if (adapter->registrypriv.wifi_spec && is_client_associated_to_ap(adapter) == true)
mlme->auto_scan_int_ms = 60*1000;
else if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
if (check_fwstate(mlme, WIFI_STATION_STATE) && check_fwstate(mlme, _FW_LINKED))
mlme->auto_scan_int_ms = mlme->roam_scan_int_ms;
} else
mlme->auto_scan_int_ms = 0; /* disabled */
return;
}
static void rtw_auto_scan_handler(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
rtw_mlme_reset_auto_scan_int(padapter);
if (pmlmepriv->auto_scan_int_ms != 0
&& jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time) > pmlmepriv->auto_scan_int_ms) {
if (!padapter->registrypriv.wifi_spec) {
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true) {
DBG_871X(FUNC_ADPT_FMT" _FW_UNDER_SURVEY|_FW_UNDER_LINKING\n", FUNC_ADPT_ARG(padapter));
goto exit;
}
if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true) {
DBG_871X(FUNC_ADPT_FMT" exit BusyTraffic\n", FUNC_ADPT_ARG(padapter));
goto exit;
}
}
DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
}
exit:
return;
}
void rtw_dynamic_check_timer_handlder(struct adapter *adapter)
{
if (!adapter)
return;
if (adapter->hw_init_completed == false)
return;
if ((adapter->bDriverStopped == true) || (adapter->bSurpriseRemoved == true))
return;
if (adapter->net_closed == true)
return;
if (is_primary_adapter(adapter))
DBG_871X("IsBtDisabled =%d, IsBtControlLps =%d\n", rtw_btcoex_IsBtDisabled(adapter), rtw_btcoex_IsBtControlLps(adapter));
if ((adapter_to_pwrctl(adapter)->bFwCurrentInPSMode == true)
&& (rtw_btcoex_IsBtControlLps(adapter) == false)
) {
u8 bEnterPS;
linked_status_chk(adapter);
bEnterPS = traffic_status_watchdog(adapter, 1);
if (bEnterPS) {
/* rtw_lps_ctrl_wk_cmd(adapter, LPS_CTRL_ENTER, 1); */
rtw_hal_dm_watchdog_in_lps(adapter);
} else{
/* call rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1) in traffic_status_watchdog() */
}
} else{
if (is_primary_adapter(adapter)) {
rtw_dynamic_chk_wk_cmd(adapter);
}
}
/* auto site survey */
rtw_auto_scan_handler(adapter);
}
inline bool rtw_is_scan_deny(struct adapter *adapter)
{
struct mlme_priv *mlmepriv = &adapter->mlmepriv;
return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false;
}
inline void rtw_clear_scan_deny(struct adapter *adapter)
{
struct mlme_priv *mlmepriv = &adapter->mlmepriv;
atomic_set(&mlmepriv->set_scan_deny, 0);
DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
}
void rtw_set_scan_deny_timer_hdl(struct adapter *adapter)
{
rtw_clear_scan_deny(adapter);
}
void rtw_set_scan_deny(struct adapter *adapter, u32 ms)
{
struct mlme_priv *mlmepriv = &adapter->mlmepriv;
DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
atomic_set(&mlmepriv->set_scan_deny, 1);
_set_timer(&mlmepriv->set_scan_deny_timer, ms);
}
/*
* Select a new roaming candidate from the original @param candidate and @param competitor
* @return true: candidate is updated
* @return false: candidate is not updated
*/
static int rtw_check_roaming_candidate(struct mlme_priv *mlme
, struct wlan_network **candidate, struct wlan_network *competitor)
{
int updated = false;
struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
if (is_same_ess(&competitor->network, &mlme->cur_network.network) == false)
goto exit;
if (rtw_is_desired_network(adapter, competitor) == false)
goto exit;
DBG_871X("roam candidate:%s %s("MAC_FMT", ch%3u) rssi:%d, age:%5d\n",
(competitor == mlme->cur_network_scanned)?"*":" ",
competitor->network.Ssid.Ssid,
MAC_ARG(competitor->network.MacAddress),
competitor->network.Configuration.DSConfig,
(int)competitor->network.Rssi,
jiffies_to_msecs(jiffies - competitor->last_scanned)
);
/* got specific addr to roam */
if (!is_zero_mac_addr(mlme->roam_tgt_addr)) {
if (!memcmp(mlme->roam_tgt_addr, competitor->network.MacAddress, ETH_ALEN))
goto update;
else
goto exit;
}
if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms)
goto exit;
if (competitor->network.Rssi - mlme->cur_network_scanned->network.Rssi < mlme->roam_rssi_diff_th)
goto exit;
if (*candidate != NULL && (*candidate)->network.Rssi >= competitor->network.Rssi)
goto exit;
update:
*candidate = competitor;
updated = true;
exit:
return updated;
}
int rtw_select_roaming_candidate(struct mlme_priv *mlme)
{
int ret = _FAIL;
struct list_head *phead;
struct adapter *adapter;
struct __queue *queue = &(mlme->scanned_queue);
struct wlan_network *pnetwork = NULL;
struct wlan_network *candidate = NULL;
if (mlme->cur_network_scanned == NULL) {
rtw_warn_on(1);
return ret;
}
spin_lock_bh(&(mlme->scanned_queue.lock));
phead = get_list_head(queue);
adapter = (struct adapter *)mlme->nic_hdl;
mlme->pscanned = get_next(phead);
while (phead != mlme->pscanned) {
pnetwork = LIST_CONTAINOR(mlme->pscanned, struct wlan_network, list);
if (pnetwork == NULL) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
ret = _FAIL;
goto exit;
}
mlme->pscanned = get_next(mlme->pscanned);
DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
, pnetwork->network.Ssid.Ssid
, MAC_ARG(pnetwork->network.MacAddress)
, pnetwork->network.Configuration.DSConfig
, (int)pnetwork->network.Rssi);
rtw_check_roaming_candidate(mlme, &candidate, pnetwork);
}
if (candidate == NULL) {
DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
ret = _FAIL;
goto exit;
} else {
DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
candidate->network.Configuration.DSConfig);
mlme->roam_network = candidate;
if (!memcmp(candidate->network.MacAddress, mlme->roam_tgt_addr, ETH_ALEN))
memset(mlme->roam_tgt_addr, 0, ETH_ALEN);
}
ret = _SUCCESS;
exit:
spin_unlock_bh(&(mlme->scanned_queue.lock));
return ret;
}
/*
* Select a new join candidate from the original @param candidate and @param competitor
* @return true: candidate is updated
* @return false: candidate is not updated
*/
static int rtw_check_join_candidate(struct mlme_priv *mlme
, struct wlan_network **candidate, struct wlan_network *competitor)
{
int updated = false;
struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
/* check bssid, if needed */
if (mlme->assoc_by_bssid == true) {
if (memcmp(competitor->network.MacAddress, mlme->assoc_bssid, ETH_ALEN))
goto exit;
}
/* check ssid, if needed */
if (mlme->assoc_ssid.Ssid[0] && mlme->assoc_ssid.SsidLength) {
if (competitor->network.Ssid.SsidLength != mlme->assoc_ssid.SsidLength
|| memcmp(competitor->network.Ssid.Ssid, mlme->assoc_ssid.Ssid, mlme->assoc_ssid.SsidLength)
)
goto exit;
}
if (rtw_is_desired_network(adapter, competitor) == false)
goto exit;
if (rtw_to_roam(adapter) > 0) {
if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms
|| is_same_ess(&competitor->network, &mlme->cur_network.network) == false
)
goto exit;
}
if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) {
*candidate = competitor;
updated = true;
}
if (updated) {
DBG_871X("[by_bssid:%u][assoc_ssid:%s]"
"[to_roam:%u] "
"new candidate: %s("MAC_FMT", ch%u) rssi:%d\n",
mlme->assoc_by_bssid,
mlme->assoc_ssid.Ssid,
rtw_to_roam(adapter),
(*candidate)->network.Ssid.Ssid,
MAC_ARG((*candidate)->network.MacAddress),
(*candidate)->network.Configuration.DSConfig,
(int)(*candidate)->network.Rssi
);
}
exit:
return updated;
}
/*
Calling context:
The caller of the sub-routine will be in critical section...
The caller must hold the following spinlock
pmlmepriv->lock
*/
int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
{
int ret;
struct list_head *phead;
struct adapter *adapter;
struct __queue *queue = &(pmlmepriv->scanned_queue);
struct wlan_network *pnetwork = NULL;
struct wlan_network *candidate = NULL;
adapter = (struct adapter *)pmlmepriv->nic_hdl;
spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
if (pmlmepriv->roam_network) {
candidate = pmlmepriv->roam_network;
pmlmepriv->roam_network = NULL;
goto candidate_exist;
}
phead = get_list_head(queue);
pmlmepriv->pscanned = get_next(phead);
while (phead != pmlmepriv->pscanned) {
pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned, struct wlan_network, list);
if (pnetwork == NULL) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
ret = _FAIL;
goto exit;
}
pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
, pnetwork->network.Ssid.Ssid
, MAC_ARG(pnetwork->network.MacAddress)
, pnetwork->network.Configuration.DSConfig
, (int)pnetwork->network.Rssi);
rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
}
if (candidate == NULL) {
DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
#ifdef CONFIG_WOWLAN
_clr_fwstate_(pmlmepriv, _FW_LINKED|_FW_UNDER_LINKING);
#endif
ret = _FAIL;
goto exit;
} else {
DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
candidate->network.Configuration.DSConfig);
goto candidate_exist;
}
candidate_exist:
/* check for situation of _FW_LINKED */
if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
DBG_871X("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
rtw_disassoc_cmd(adapter, 0, true);
rtw_indicate_disconnect(adapter);
rtw_free_assoc_resources(adapter, 0);
}
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
ret = rtw_joinbss_cmd(adapter, candidate);
exit:
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
return ret;
}
sint rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
{
struct cmd_obj *pcmd;
struct setauth_parm *psetauthparm;
struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
sint res = _SUCCESS;
pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj));
if (pcmd == NULL) {
res = _FAIL; /* try again */
goto exit;
}
psetauthparm = (struct setauth_parm *)rtw_zmalloc(sizeof(struct setauth_parm));
if (psetauthparm == NULL) {
kfree((unsigned char *)pcmd);
res = _FAIL;
goto exit;
}
memset(psetauthparm, 0, sizeof(struct setauth_parm));
psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
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);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("after enqueue set_auth_cmd, auth_mode =%x\n", psecuritypriv->dot11AuthAlgrthm));
res = rtw_enqueue_cmd(pcmdpriv, pcmd);
exit:
return res;
}
sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, sint keyid, u8 set_tx, bool enqueue)
{
u8 keylen;
struct cmd_obj *pcmd;
struct setkey_parm *psetkeyparm;
struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
sint res = _SUCCESS;
psetkeyparm = (struct setkey_parm *)rtw_zmalloc(sizeof(struct setkey_parm));
if (psetkeyparm == NULL) {
res = _FAIL;
goto exit;
}
memset(psetkeyparm, 0, sizeof(struct setkey_parm));
if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(unsigned char)psecuritypriv->dot118021XGrpPrivacy =%d\n", psetkeyparm->algorithm));
} else {
psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(u8)psecuritypriv->dot11PrivacyAlgrthm =%d\n", psetkeyparm->algorithm));
}
psetkeyparm->keyid = (u8)keyid;/* 0~3 */
psetkeyparm->set_tx = set_tx;
if (is_wep_enc(psetkeyparm->algorithm))
adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
DBG_871X("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n", psetkeyparm->algorithm, psetkeyparm->keyid, adapter->securitypriv.key_mask);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =%d psetkeyparm->keyid =(u8)keyid =%d\n", psetkeyparm->algorithm, keyid));
switch (psetkeyparm->algorithm) {
case _WEP40_:
keylen = 5;
memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
break;
case _WEP104_:
keylen = 13;
memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
break;
case _TKIP_:
keylen = 16;
memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
psetkeyparm->grpkey = 1;
break;
case _AES_:
keylen = 16;
memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
psetkeyparm->grpkey = 1;
break;
default:
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm = %x (must be 1 or 2 or 4 or 5)\n", psecuritypriv->dot11PrivacyAlgrthm));
res = _FAIL;
kfree((unsigned char *)psetkeyparm);
goto exit;
}
if (enqueue) {
pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj));
if (pcmd == NULL) {
kfree((unsigned char *)psetkeyparm);
res = _FAIL; /* try again */
goto exit;
}
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);
/* sema_init(&(pcmd->cmd_sem), 0); */
res = rtw_enqueue_cmd(pcmdpriv, pcmd);
} else{
setkey_hdl(adapter, (u8 *)psetkeyparm);
kfree((u8 *) psetkeyparm);
}
exit:
return res;
}
/* adjust IEs for rtw_joinbss_cmd in WMM */
int rtw_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(). (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.) */
/* Added by Annie, 2006-05-07. */
/* */
/* 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;
} else{
i++;
/* continue; */
}
} 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;
}
/* */
/* Check the RSN IE length */
/* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
/* 0-11th element in the array are the fixed IE */
/* 12th element in the array is the IE */
/* 13th element in the array is the IE length */
/* */
static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
{
struct security_priv *psecuritypriv = &Adapter->securitypriv;
if (ie[13] <= 20) {
/* The RSN IE didn't include the PMK ID, append the PMK information */
ie[ie_len] = 1;
ie_len++;
ie[ie_len] = 0; /* PMKID count = 0x0100 */
ie_len++;
memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
ie_len += 16;
ie[13] += 18;/* PMKID length = 2+16 */
}
return ie_len;
}
sint rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
{
u8 authmode = 0x0;
uint ielength;
int iEntry;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct security_priv *psecuritypriv = &adapter->securitypriv;
uint ndisauthmode = psecuritypriv->ndisauthtype;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
("+rtw_restruct_sec_ie: ndisauthmode =%d\n", ndisauthmode));
/* copy fixed ie only */
memcpy(out_ie, in_ie, 12);
ielength = 12;
if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK))
authmode = _WPA_IE_ID_;
if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
authmode = _WPA2_IE_ID_;
if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
ielength += psecuritypriv->wps_ie_len;
} else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
/* copy RSN or SSN */
memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
/* debug for CONFIG_IEEE80211W
{
int jj;
printk("supplicant_ie_length =%d &&&&&&&&&&&&&&&&&&&\n", psecuritypriv->supplicant_ie[1]+2);
for (jj = 0; jj < psecuritypriv->supplicant_ie[1]+2; jj++)
printk(" %02x ", psecuritypriv->supplicant_ie[jj]);
printk("\n");
}*/
ielength += psecuritypriv->supplicant_ie[1]+2;
rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
}
iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
if (iEntry < 0) {
return ielength;
} else{
if (authmode == _WPA2_IE_ID_)
ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
}
return ielength;
}
void rtw_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_conf);
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 rtw_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;
/* struct xmit_priv *pxmitpriv = &adapter->xmitpriv; */
pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 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:
case WIRELESS_11_24N:
case WIRELESS_11G_24N:
case WIRELESS_11BG_24N:
pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
break;
case WIRELESS_11A:
case WIRELESS_11A_5N:
pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
break;
case WIRELESS_11ABGN:
if (pregistrypriv->channel > 14)
pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
else
pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
break;
default:
/* TODO */
break;
}
pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("pregistrypriv->channel =%d, pdev_network->Configuration.DSConfig = 0x%x\n", pregistrypriv->channel, pdev_network->Configuration.DSConfig));
if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
pdev_network->Configuration.ATIMWindow = (0);
pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
/* 1. Supported rates */
/* 2. IE */
/* rtw_set_supported_rate(pdev_network->SupportedRates, pregistrypriv->wireless_mode) ; will be called in rtw_generate_ie */
sz = rtw_generate_ie(pregistrypriv);
pdev_network->IELength = sz;
pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
/* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */
/* pdev_network->IELength = cpu_to_le32(sz); */
}
void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
{
}
/* the function is at passive_level */
void rtw_joinbss_reset(struct adapter *padapter)
{
u8 threshold;
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 */
pmlmepriv->num_FortyMHzIntolerant = 0;
pmlmepriv->num_sta_no_ht = 0;
phtpriv->ampdu_enable = false;/* reset to disabled */
/* TH = 1 => means that invalidate usb rx aggregation */
/* TH = 0 => means that validate usb rx aggregation, use init value. */
if (phtpriv->ht_option) {
if (padapter->registrypriv.wifi_spec == 1)
threshold = 1;
else
threshold = 0;
rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
} else{
threshold = 1;
rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
}
}
void rtw_ht_use_default_setting(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
struct registry_priv *pregistrypriv = &padapter->registrypriv;
bool bHwLDPCSupport = false, bHwSTBCSupport = false;
bool bHwSupportBeamformer = false, bHwSupportBeamformee = false;
if (pregistrypriv->wifi_spec)
phtpriv->bss_coexist = 1;
else
phtpriv->bss_coexist = 0;
phtpriv->sgi_40m = TEST_FLAG(pregistrypriv->short_gi, BIT1) ? true : false;
phtpriv->sgi_20m = TEST_FLAG(pregistrypriv->short_gi, BIT0) ? true : false;
/* LDPC support */
rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport);
CLEAR_FLAGS(phtpriv->ldpc_cap);
if (bHwLDPCSupport) {
if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT4))
SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX);
}
rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport);
if (bHwLDPCSupport) {
if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT5))
SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX);
}
if (phtpriv->ldpc_cap)
DBG_871X("[HT] Support LDPC = 0x%02X\n", phtpriv->ldpc_cap);
/* STBC */
rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport);
CLEAR_FLAGS(phtpriv->stbc_cap);
if (bHwSTBCSupport) {
if (TEST_FLAG(pregistrypriv->stbc_cap, BIT5))
SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX);
}
rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)&bHwSTBCSupport);
if (bHwSTBCSupport) {
if (TEST_FLAG(pregistrypriv->stbc_cap, BIT4))
SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX);
}
if (phtpriv->stbc_cap)
DBG_871X("[HT] Support STBC = 0x%02X\n", phtpriv->stbc_cap);
/* Beamforming setting */
rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER, (u8 *)&bHwSupportBeamformer);
rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE, (u8 *)&bHwSupportBeamformee);
CLEAR_FLAGS(phtpriv->beamform_cap);
if (TEST_FLAG(pregistrypriv->beamform_cap, BIT4) && bHwSupportBeamformer) {
SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE);
DBG_871X("[HT] Support Beamformer\n");
}
if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee) {
SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE);
DBG_871X("[HT] Support Beamformee\n");
}
}
void rtw_build_wmm_ie_ht(struct adapter *padapter, u8 *out_ie, uint *pout_len)
{
unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
int out_len;
u8 *pframe;
if (padapter->mlmepriv.qospriv.qos_option == 0) {
out_len = *pout_len;
pframe = rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
_WMM_IE_Length_, WMM_IE, pout_len);
padapter->mlmepriv.qospriv.qos_option = 1;
}
}
/* the function is >= passive_level */
unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len, u8 channel)
{
u32 ielen, out_len;
enum HT_CAP_AMPDU_FACTOR max_rx_ampdu_factor;
unsigned char *p, *pframe;
struct rtw_ieee80211_ht_cap ht_capie;
u8 cbw40_enable = 0, stbc_rx_enable = 0, rf_type = 0, operation_bw = 0;
struct registry_priv *pregistrypriv = &padapter->registrypriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
phtpriv->ht_option = false;
out_len = *pout_len;
memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap));
ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_DSSSCCK40);
if (phtpriv->sgi_20m)
ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20);
/* Get HT BW */
if (in_ie == NULL) {
/* TDLS: TODO 20/40 issue */
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
operation_bw = padapter->mlmeextpriv.cur_bwmode;
if (operation_bw > CHANNEL_WIDTH_40)
operation_bw = CHANNEL_WIDTH_40;
} else
/* TDLS: TODO 40? */
operation_bw = CHANNEL_WIDTH_40;
} else {
p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
struct HT_info_element *pht_info = (struct HT_info_element *)(p+2);
if (pht_info->infos[0] & BIT(2)) {
switch (pht_info->infos[0] & 0x3) {
case 1:
case 3:
operation_bw = CHANNEL_WIDTH_40;
break;
default:
operation_bw = CHANNEL_WIDTH_20;
break;
}
} else {
operation_bw = CHANNEL_WIDTH_20;
}
}
}
/* to disable 40M Hz support while gd_bw_40MHz_en = 0 */
if (channel > 14) {
if ((pregistrypriv->bw_mode & 0xf0) > 0)
cbw40_enable = 1;
} else {
if ((pregistrypriv->bw_mode & 0x0f) > 0)
cbw40_enable = 1;
}
if ((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) {
ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH);
if (phtpriv->sgi_40m)
ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_40);
}
if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX))
ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_TX_STBC);
/* todo: disable SM power save mode */
ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SM_PS);
if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) {
if ((channel <= 14 && pregistrypriv->rx_stbc == 0x1) || /* enable for 2.4GHz */
(pregistrypriv->wifi_spec == 1)) {
stbc_rx_enable = 1;
DBG_871X("declare supporting RX STBC\n");
}
}
/* fill default supported_mcs_set */
memcpy(ht_capie.supp_mcs_set, pmlmeext->default_supported_mcs_set, 16);
/* update default supported_mcs_set */
rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
switch (rf_type) {
case RF_1T1R:
if (stbc_rx_enable)
ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_1R);/* RX STBC One spatial stream */
set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_1R);
break;
case RF_2T2R:
case RF_1T2R:
default:
if (stbc_rx_enable)
ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_2R);/* RX STBC two spatial stream */
#ifdef CONFIG_DISABLE_MCS13TO15
if (((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) && (pregistrypriv->wifi_spec != 1))
set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R_13TO15_OFF);
else
set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
#else /* CONFIG_DISABLE_MCS13TO15 */
set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
#endif /* CONFIG_DISABLE_MCS13TO15 */
break;
}
{
u32 rx_packet_offset, max_recvbuf_sz;
rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
}
if (padapter->driver_rx_ampdu_factor != 0xFF)
max_rx_ampdu_factor =
(enum HT_CAP_AMPDU_FACTOR)padapter->driver_rx_ampdu_factor;
else
rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR,
&max_rx_ampdu_factor);
/* rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); */
ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
else
ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
pframe = rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
phtpriv->ht_option = true;
if (in_ie != NULL) {
p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
out_len = *pout_len;
pframe = rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2, pout_len);
}
}
return phtpriv->ht_option;
}
/* the function is > passive_level (in critical_section) */
void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len, u8 channel)
{
u8 *p, max_ampdu_sz;
int len;
/* struct sta_info *bmc_sta, *psta; */
struct rtw_ieee80211_ht_cap *pht_capie;
struct ieee80211_ht_addt_info *pht_addtinfo;
/* struct recv_reorder_ctrl *preorder_ctrl; */
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
/* struct recv_priv *precvpriv = &padapter->recvpriv; */
struct registry_priv *pregistrypriv = &padapter->registrypriv;
/* struct wlan_network *pcur_network = &(pmlmepriv->cur_network);; */
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
u8 cbw40_enable = 0;
if (!phtpriv->ht_option)
return;
if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
return;
DBG_871X("+rtw_update_ht_cap()\n");
/* maybe needs check if ap supports rx ampdu. */
if ((phtpriv->ampdu_enable == false) && (pregistrypriv->ampdu_enable == 1)) {
if (pregistrypriv->wifi_spec == 1) {
/* remove this part because testbed AP should disable RX AMPDU */
/* phtpriv->ampdu_enable = false; */
phtpriv->ampdu_enable = true;
} else {
phtpriv->ampdu_enable = true;
}
} else if (pregistrypriv->ampdu_enable == 2) {
/* remove this part because testbed AP should disable RX AMPDU */
/* phtpriv->ampdu_enable = true; */
}
/* check Max Rx A-MPDU Size */
len = 0;
p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
if (p && len > 0) {
pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR);
max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */
/* DBG_871X("rtw_update_ht_cap(): max_ampdu_sz =%d\n", max_ampdu_sz); */
phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
}
len = 0;
p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
if (p && len > 0) {
pht_addtinfo = (struct ieee80211_ht_addt_info *)(p+2);
/* todo: */
}
if (channel > 14) {
if ((pregistrypriv->bw_mode & 0xf0) > 0)
cbw40_enable = 1;
} else {
if ((pregistrypriv->bw_mode & 0x0f) > 0)
cbw40_enable = 1;
}
/* update cur_bwmode & cur_ch_offset */
if ((cbw40_enable) &&
(le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
int i;
u8 rf_type;
rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
/* update the MCS set */
for (i = 0; i < 16; i++)
pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
/* update the MCS rates */
switch (rf_type) {
case RF_1T1R:
case RF_1T2R:
set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
break;
case RF_2T2R:
default:
#ifdef CONFIG_DISABLE_MCS13TO15
if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1)
set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF);
else
set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
#else /* CONFIG_DISABLE_MCS13TO15 */
set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
#endif /* CONFIG_DISABLE_MCS13TO15 */
}
/* switch to the 40M Hz mode according to the AP */
/* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */
switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
case EXTCHNL_OFFSET_UPPER:
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
break;
case EXTCHNL_OFFSET_LOWER:
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
break;
default:
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
break;
}
}
/* */
/* Config SM Power Save setting */
/* */
pmlmeinfo->SM_PS =
(le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
0x0C) >> 2;
if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
DBG_871X("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
/* */
/* Config current HT Protection mode. */
/* */
pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
}
void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
{
u8 issued;
int priority;
struct sta_info *psta = NULL;
struct ht_priv *phtpriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
s32 bmcst = IS_MCAST(pattrib->ra);
/* if (bmcst || (padapter->mlmepriv.LinkDetectInfo.bTxBusyTraffic == false)) */
if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
return;
priority = pattrib->priority;
psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
if (pattrib->psta != psta) {
DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
return;
}
if (psta == NULL) {
DBG_871X("%s, psta ==NUL\n", __func__);
return;
}
if (!(psta->state & _FW_LINKED)) {
DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
return;
}
phtpriv = &psta->htpriv;
if ((phtpriv->ht_option == true) && (phtpriv->ampdu_enable == true)) {
issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
if (0 == issued) {
DBG_871X("rtw_issue_addbareq_cmd, p =%d\n", priority);
psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra);
}
}
}
void rtw_append_exented_cap(struct adapter *padapter, u8 *out_ie, uint *pout_len)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
u8 cap_content[8] = {0};
u8 *pframe;
if (phtpriv->bss_coexist) {
SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1);
}
pframe = rtw_set_ie(out_ie + *pout_len, EID_EXTCapability, 8, cap_content, pout_len);
}
inline void rtw_set_to_roam(struct adapter *adapter, u8 to_roam)
{
if (to_roam == 0)
adapter->mlmepriv.to_join = false;
adapter->mlmepriv.to_roam = to_roam;
}
inline u8 rtw_dec_to_roam(struct adapter *adapter)
{
adapter->mlmepriv.to_roam--;
return adapter->mlmepriv.to_roam;
}
inline u8 rtw_to_roam(struct adapter *adapter)
{
return adapter->mlmepriv.to_roam;
}
void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
spin_lock_bh(&pmlmepriv->lock);
_rtw_roaming(padapter, tgt_network);
spin_unlock_bh(&pmlmepriv->lock);
}
void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *cur_network = &pmlmepriv->cur_network;
int do_join_r;
if (0 < rtw_to_roam(padapter)) {
DBG_871X("roaming from %s("MAC_FMT"), length:%d\n",
cur_network->network.Ssid.Ssid, MAC_ARG(cur_network->network.MacAddress),
cur_network->network.Ssid.SsidLength);
memcpy(&pmlmepriv->assoc_ssid, &cur_network->network.Ssid, sizeof(struct ndis_802_11_ssid));
pmlmepriv->assoc_by_bssid = false;
while (1) {
do_join_r = rtw_do_join(padapter);
if (_SUCCESS == do_join_r) {
break;
} else {
DBG_871X("roaming do_join return %d\n", do_join_r);
rtw_dec_to_roam(padapter);
if (rtw_to_roam(padapter) > 0) {
continue;
} else {
DBG_871X("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
rtw_indicate_disconnect(padapter);
break;
}
}
}
}
}
sint rtw_linked_check(struct adapter *padapter)
{
if ((check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true) ||
(check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == true)) {
if (padapter->stapriv.asoc_sta_count > 2)
return true;
} else{ /* Station mode */
if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == true)
return true;
}
return false;
}
