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gfiber / kernel / bruno / 4bcea472de100311614c442f7236d0bcc4a413b3 / . / drivers / staging / rtl8723au / core / rtw_mlme.c
blob: 3c09ea9b734804feba22bd632d6223b469ba84d9 [file] [log] [blame]
/******************************************************************************
*
* 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 <osdep_service.h>
#include <drv_types.h>
#include <recv_osdep.h>
#include <xmit_osdep.h>
#include <hal_intf.h>
#include <mlme_osdep.h>
#include <sta_info.h>
#include <linux/ieee80211.h>
#include <wifi.h>
#include <wlan_bssdef.h>
#include <rtw_sreset.h>
static struct wlan_network *
rtw_select_candidate_from_queue(struct mlme_priv *pmlmepriv);
static int rtw_do_join(struct rtw_adapter *padapter);
static void rtw_init_mlme_timer(struct rtw_adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
setup_timer(&pmlmepriv->assoc_timer, rtw23a_join_to_handler,
(unsigned long)padapter);
setup_timer(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler23a,
(unsigned long)padapter);
setup_timer(&pmlmepriv->dynamic_chk_timer,
rtw_dynamic_check_timer_handler, (unsigned long)padapter);
setup_timer(&pmlmepriv->set_scan_deny_timer,
rtw_set_scan_deny_timer_hdl, (unsigned long)padapter);
}
int rtw_init_mlme_priv23a(struct rtw_adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
pmlmepriv->nic_hdl = padapter;
pmlmepriv->fw_state = 0;
pmlmepriv->cur_network.network.ifmode = NL80211_IFTYPE_UNSPECIFIED;
/* 1: active, 0: pasive. Maybe someday we should rename this
varable to "active_mode" (Jeff) */
pmlmepriv->scan_mode = SCAN_ACTIVE;
spin_lock_init(&pmlmepriv->lock);
_rtw_init_queue23a(&pmlmepriv->scanned_queue);
memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct cfg80211_ssid));
rtw_clear_scan_deny(padapter);
rtw_init_mlme_timer(padapter);
return _SUCCESS;
}
#ifdef CONFIG_8723AU_AP_MODE
static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
{
if (*ppie) {
kfree(*ppie);
*plen = 0;
*ppie = NULL;
}
}
#endif
void rtw23a_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
{
#ifdef CONFIG_8723AU_AP_MODE
kfree(pmlmepriv->assoc_req);
kfree(pmlmepriv->assoc_rsp);
rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie,
&pmlmepriv->wps_probe_req_ie_len);
#endif
}
void rtw_free_mlme_priv23a(struct mlme_priv *pmlmepriv)
{
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"rtw_free_mlme_priv23a\n");
rtw23a_free_mlme_priv_ie_data(pmlmepriv);
}
struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv, gfp_t gfp)
{
struct wlan_network *pnetwork;
pnetwork = kzalloc(sizeof(struct wlan_network), gfp);
if (pnetwork) {
INIT_LIST_HEAD(&pnetwork->list);
pnetwork->network_type = 0;
pnetwork->fixed = false;
pnetwork->last_scanned = jiffies;
pnetwork->join_res = 0;
}
return pnetwork;
}
static void _rtw_free_network23a(struct mlme_priv *pmlmepriv,
struct wlan_network *pnetwork)
{
if (!pnetwork)
return;
if (pnetwork->fixed == true)
return;
list_del_init(&pnetwork->list);
kfree(pnetwork);
}
/*
return the wlan_network with the matching addr
Shall be called under atomic context... to avoid possible racing condition...
*/
struct wlan_network *
rtw_find_network23a(struct rtw_queue *scanned_queue, u8 *addr)
{
struct list_head *phead, *plist;
struct wlan_network *pnetwork = NULL;
if (is_zero_ether_addr(addr)) {
pnetwork = NULL;
goto exit;
}
/* spin_lock_bh(&scanned_queue->lock); */
phead = get_list_head(scanned_queue);
plist = phead->next;
while (plist != phead) {
pnetwork = container_of(plist, struct wlan_network, list);
if (ether_addr_equal(addr, pnetwork->network.MacAddress))
break;
plist = plist->next;
}
if (plist == phead)
pnetwork = NULL;
/* spin_unlock_bh(&scanned_queue->lock); */
exit:
return pnetwork;
}
void rtw_free_network_queue23a(struct rtw_adapter *padapter)
{
struct list_head *phead, *plist, *ptmp;
struct wlan_network *pnetwork;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct rtw_queue *scanned_queue = &pmlmepriv->scanned_queue;
spin_lock_bh(&scanned_queue->lock);
phead = get_list_head(scanned_queue);
list_for_each_safe(plist, ptmp, phead) {
pnetwork = container_of(plist, struct wlan_network, list);
_rtw_free_network23a(pmlmepriv, pnetwork);
}
spin_unlock_bh(&scanned_queue->lock);
}
int rtw_if_up23a(struct rtw_adapter *padapter)
{
int res;
if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
"rtw_if_up23a:bDriverStopped(%d) OR bSurpriseRemoved(%d)\n",
padapter->bDriverStopped, padapter->bSurpriseRemoved);
res = false;
} else
res = true;
return res;
}
void rtw_generate_random_ibss23a(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] = curtime & 0xff;/* p[0]; */
pibss[4] = (curtime >> 8) & 0xff;/* p[1]; */
pibss[5] = (curtime >> 16) & 0xff;/* p[2]; */
}
void rtw_set_roaming(struct rtw_adapter *adapter, u8 to_roaming)
{
if (to_roaming == 0)
adapter->mlmepriv.to_join = false;
adapter->mlmepriv.to_roaming = to_roaming;
}
static void _rtw_roaming(struct rtw_adapter *padapter,
struct wlan_network *tgt_network)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *pnetwork;
int do_join_r;
if (tgt_network)
pnetwork = tgt_network;
else
pnetwork = &pmlmepriv->cur_network;
if (padapter->mlmepriv.to_roaming > 0) {
DBG_8723A("roaming from %s(%pM), length:%d\n",
pnetwork->network.Ssid.ssid,
pnetwork->network.MacAddress,
pnetwork->network.Ssid.ssid_len);
memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.Ssid,
sizeof(struct cfg80211_ssid));
pmlmepriv->assoc_by_bssid = false;
while (1) {
do_join_r = rtw_do_join(padapter);
if (do_join_r == _SUCCESS)
break;
else {
DBG_8723A("roaming do_join return %d\n",
do_join_r);
pmlmepriv->to_roaming--;
if (padapter->mlmepriv.to_roaming > 0)
continue;
else {
DBG_8723A("%s(%d) -to roaming fail, "
"indicate_disconnect\n",
__func__, __LINE__);
rtw_indicate_disconnect23a(padapter);
break;
}
}
}
}
}
void rtw23a_roaming(struct rtw_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);
}
static void rtw_free_network_nolock(struct mlme_priv *pmlmepriv,
struct wlan_network *pnetwork)
{
_rtw_free_network23a(pmlmepriv, pnetwork);
}
bool rtw_is_same_ibss23a(struct rtw_adapter *adapter,
struct wlan_network *pnetwork)
{
int ret;
struct security_priv *psecuritypriv = &adapter->securitypriv;
if (psecuritypriv->dot11PrivacyAlgrthm != 0 &&
pnetwork->network.Privacy == 0)
ret = false;
else if (psecuritypriv->dot11PrivacyAlgrthm == 0 &&
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);
inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
{
return (a->Ssid.ssid_len == b->Ssid.ssid_len) &&
!memcmp(a->Ssid.ssid, b->Ssid.ssid, a->Ssid.ssid_len);
}
int is_same_network23a(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst)
{
u16 s_cap, d_cap;
s_cap = src->capability;
d_cap = dst->capability;
return ((src->Ssid.ssid_len == dst->Ssid.ssid_len) &&
/* (src->DSConfig == dst->DSConfig) && */
ether_addr_equal(src->MacAddress, dst->MacAddress) &&
!memcmp(src->Ssid.ssid, dst->Ssid.ssid, src->Ssid.ssid_len) &&
(s_cap & WLAN_CAPABILITY_IBSS) ==
(d_cap & WLAN_CAPABILITY_IBSS) &&
(s_cap & WLAN_CAPABILITY_ESS) == (d_cap & WLAN_CAPABILITY_ESS));
}
struct wlan_network *
rtw_get_oldest_wlan_network23a(struct rtw_queue *scanned_queue)
{
struct list_head *plist, *phead;
struct wlan_network *pwlan;
struct wlan_network *oldest = NULL;
phead = get_list_head(scanned_queue);
list_for_each(plist, phead) {
pwlan = container_of(plist, struct wlan_network, list);
if (pwlan->fixed != true) {
if (!oldest || time_after(oldest->last_scanned,
pwlan->last_scanned))
oldest = pwlan;
}
}
return oldest;
}
void update_network23a(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
struct rtw_adapter *padapter, bool update_ie)
{
u8 ss_ori = dst->SignalStrength;
u8 sq_ori = dst->SignalQuality;
long rssi_ori = dst->Rssi;
u8 ss_smp = src->SignalStrength;
u8 sq_smp = src->SignalQuality;
long rssi_smp = src->Rssi;
u8 ss_final;
u8 sq_final;
long rssi_final;
DBG_8723A("%s %s(%pM, ch%u) ss_ori:%3u, sq_ori:%3u, rssi_ori:%3ld, "
"ss_smp:%3u, sq_smp:%3u, rssi_smp:%3ld\n",
__func__, src->Ssid.ssid, src->MacAddress,
src->DSConfig, ss_ori, sq_ori, rssi_ori,
ss_smp, sq_smp, rssi_smp
);
/* The rule below is 1/5 for sample value, 4/5 for history value */
if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
is_same_network23a(&padapter->mlmepriv.cur_network.network, src)) {
/* 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->SignalStrength +
(u32)dst->SignalStrength * 4) / 5;
sq_final = ((u32)src->SignalQuality +
(u32)dst->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->SignalStrength;
sq_final = dst->SignalQuality;
rssi_final = dst->Rssi;
}
}
if (update_ie)
memcpy(dst, src, get_wlan_bssid_ex_sz(src));
dst->SignalStrength = ss_final;
dst->SignalQuality = sq_final;
dst->Rssi = rssi_final;
DBG_8723A("%s %s(%pM), SignalStrength:%u, SignalQuality:%u, "
"RawRSSI:%ld\n", __func__, dst->Ssid.ssid, dst->MacAddress,
dst->SignalStrength, dst->SignalQuality, dst->Rssi);
}
static void update_current_network(struct rtw_adapter *adapter,
struct wlan_bssid_ex *pnetwork)
{
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
if (check_fwstate(pmlmepriv, _FW_LINKED) &&
is_same_network23a(&pmlmepriv->cur_network.network, pnetwork)) {
update_network23a(&pmlmepriv->cur_network.network,
pnetwork, adapter, true);
rtw_update_protection23a(adapter,
pmlmepriv->cur_network.network.IEs,
pmlmepriv->cur_network.network.IELength);
}
}
/*
Caller must hold pmlmepriv->lock first.
*/
static void rtw_update_scanned_network(struct rtw_adapter *adapter,
struct wlan_bssid_ex *target)
{
struct list_head *plist, *phead;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct wlan_network *pnetwork = NULL;
struct wlan_network *oldest = NULL;
struct rtw_queue *queue = &pmlmepriv->scanned_queue;
u32 bssid_ex_sz;
int found = 0;
spin_lock_bh(&queue->lock);
phead = get_list_head(queue);
list_for_each(plist, phead) {
pnetwork = container_of(plist, struct wlan_network, list);
if (is_same_network23a(&pnetwork->network, target)) {
found = 1;
break;
}
if (!oldest || time_after(oldest->last_scanned,
pnetwork->last_scanned))
oldest = pnetwork;
}
/* If we didn't find a match, then get a new network slot to initialize
* with this beacon's information */
if (!found) {
pnetwork = rtw_alloc_network(pmlmepriv, GFP_ATOMIC);
if (!pnetwork) {
if (!oldest) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"something wrong here\n");
goto exit;
}
pnetwork = oldest;
} else
list_add_tail(&pnetwork->list, &queue->queue);
bssid_ex_sz = get_wlan_bssid_ex_sz(target);
target->Length = bssid_ex_sz;
memcpy(&pnetwork->network, target, bssid_ex_sz);
/* variable initialize */
pnetwork->fixed = false;
pnetwork->last_scanned = jiffies;
pnetwork->network_type = 0;
pnetwork->join_res = 0;
/* bss info not receiving from the right channel */
if (pnetwork->network.SignalQuality == 101)
pnetwork->network.SignalQuality = 0;
} 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 == 1, means that scanned network is
* a bcn frame. */
if (pnetwork->network.IELength > target->IELength &&
target->reserved == 1)
update_ie = false;
update_network23a(&pnetwork->network, target, adapter,
update_ie);
}
exit:
spin_unlock_bh(&queue->lock);
}
static void rtw_add_network(struct rtw_adapter *adapter,
struct wlan_bssid_ex *pnetwork)
{
update_current_network(adapter, pnetwork);
rtw_update_scanned_network(adapter, pnetwork);
}
/* 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 rtw_is_desired_network(struct rtw_adapter *adapter,
struct wlan_network *pnetwork)
{
struct security_priv *psecuritypriv = &adapter->securitypriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u32 desired_encmode;
u32 privacy;
int bselected = true;
desired_encmode = psecuritypriv->ndisencryptstatus;
privacy = pnetwork->network.Privacy;
if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WPA,
pnetwork->network.IEs,
pnetwork->network.IELength))
return true;
else
return false;
}
if (adapter->registrypriv.wifi_spec == 1) {
/* for correct flow of 8021X to do.... */
if (desired_encmode == Ndis802_11EncryptionDisabled &&
privacy != 0)
bselected = false;
}
if (desired_encmode != Ndis802_11EncryptionDisabled && privacy == 0) {
DBG_8723A("desired_encmode: %d, privacy: %d\n",
desired_encmode, privacy);
bselected = false;
}
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
if (pnetwork->network.ifmode !=
pmlmepriv->cur_network.network.ifmode)
bselected = false;
}
return bselected;
}
void rtw_survey_event_cb23a(struct rtw_adapter *adapter, const u8 *pbuf)
{
u32 len;
struct wlan_bssid_ex *pnetwork;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct survey_event *survey = (struct survey_event *)pbuf;
pnetwork = survey->bss;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
"rtw_survey_event_cb23a, 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_,
"****rtw_survey_event_cb23a: return a wrong bss ***\n");
return;
}
spin_lock_bh(&pmlmepriv->lock);
/* update IBSS_network 's timestamp */
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
if (ether_addr_equal(pmlmepriv->cur_network.network.MacAddress,
pnetwork->MacAddress)) {
struct wlan_network *ibss_wlan;
pmlmepriv->cur_network.network.beacon_interval =
pnetwork->beacon_interval;
pmlmepriv->cur_network.network.capability =
pnetwork->capability;
pmlmepriv->cur_network.network.tsf = pnetwork->tsf;
spin_lock_bh(&pmlmepriv->scanned_queue.lock);
ibss_wlan = rtw_find_network23a(
&pmlmepriv->scanned_queue,
pnetwork->MacAddress);
if (ibss_wlan) {
pmlmepriv->cur_network.network.beacon_interval =
ibss_wlan->network.beacon_interval;
pmlmepriv->cur_network.network.capability =
ibss_wlan->network.capability;
pmlmepriv->cur_network.network.tsf =
ibss_wlan->network.tsf;
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)) {
if (pnetwork->Ssid.ssid[0] == 0)
pnetwork->Ssid.ssid_len = 0;
rtw_add_network(adapter, pnetwork);
}
exit:
spin_unlock_bh(&pmlmepriv->lock);
kfree(survey->bss);
survey->bss = NULL;
}
void
rtw_surveydone_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf)
{
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
int ret;
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_callback23a: fw_state:%x\n",
get_fwstate(pmlmepriv));
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
del_timer_sync(&pmlmepriv->scan_to_timer);
_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));
}
rtw_set_signal_stat_timer(&adapter->recvpriv);
if (pmlmepriv->to_join == true) {
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
ret = rtw_select_and_join_from_scanned_queue23a(
pmlmepriv);
if (ret != _SUCCESS)
rtw_do_join_adhoc(adapter);
} else {
pmlmepriv->to_join = false;
ret = rtw_select_and_join_from_scanned_queue23a(
pmlmepriv);
if (ret != _SUCCESS) {
DBG_8723A("try_to_join, but select scanning "
"queue fail, to_roaming:%d\n",
adapter->mlmepriv.to_roaming);
if (adapter->mlmepriv.to_roaming) {
if (--pmlmepriv->to_roaming == 0 ||
rtw_sitesurvey_cmd23a(
adapter,
&pmlmepriv->assoc_ssid, 1,
NULL, 0) != _SUCCESS) {
rtw_set_roaming(adapter, 0);
rtw_free_assoc_resources23a(
adapter, 1);
rtw_indicate_disconnect23a(
adapter);
} else
pmlmepriv->to_join = true;
}
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
}
}
}
spin_unlock_bh(&pmlmepriv->lock);
rtw_os_xmit_schedule23a(adapter);
if (pmlmeext->sitesurvey_res.bss_cnt == 0)
rtw_sreset_reset(adapter);
rtw_cfg80211_surveydone_event_callback(adapter);
}
static void free_scanqueue(struct mlme_priv *pmlmepriv)
{
struct wlan_network *pnetwork;
struct rtw_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);
phead = get_list_head(scan_queue);
list_for_each_safe(plist, ptemp, phead) {
pnetwork = container_of(plist, struct wlan_network, list);
pnetwork->fixed = false;
_rtw_free_network23a(pmlmepriv, pnetwork);
}
spin_unlock_bh(&scan_queue->lock);
}
/*
*rtw_free_assoc_resources23a: the caller has to lock pmlmepriv->lock
*/
void rtw_free_assoc_resources23a(struct rtw_adapter *adapter,
int lock_scanned_queue)
{
struct wlan_network *pwlan;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct sta_priv *pstapriv = &adapter->stapriv;
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
struct sta_info *psta;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
"+rtw_free_assoc_resources23a\n");
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
"tgt_network->network.MacAddress=%pM ssid=%s\n",
tgt_network->network.MacAddress,
tgt_network->network.Ssid.ssid);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
psta = rtw_get_stainfo23a(&adapter->stapriv,
tgt_network->network.MacAddress);
spin_lock_bh(&pstapriv->sta_hash_lock);
rtw_free_stainfo23a(adapter, psta);
spin_unlock_bh(&pstapriv->sta_hash_lock);
}
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE |
WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
rtw_free_all_stainfo23a(adapter);
psta = rtw_get_bcmc_stainfo23a(adapter);
spin_lock_bh(&pstapriv->sta_hash_lock);
rtw_free_stainfo23a(adapter, psta);
spin_unlock_bh(&pstapriv->sta_hash_lock);
rtw_init_bcmc_stainfo23a(adapter);
}
if (lock_scanned_queue)
spin_lock_bh(&pmlmepriv->scanned_queue.lock);
pwlan = rtw_find_network23a(&pmlmepriv->scanned_queue,
tgt_network->network.MacAddress);
if (pwlan)
pwlan->fixed = false;
else
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"rtw_free_assoc_resources23a : pwlan== NULL\n");
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
adapter->stapriv.asoc_sta_count == 1)
rtw_free_network_nolock(pmlmepriv, pwlan);
if (lock_scanned_queue)
spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
pmlmepriv->key_mask = 0;
}
/*
*rtw_indicate_connect23a: the caller has to lock pmlmepriv->lock
*/
void rtw_indicate_connect23a(struct rtw_adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"+rtw_indicate_connect23a\n");
pmlmepriv->to_join = false;
if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
set_fwstate(pmlmepriv, _FW_LINKED);
rtw_cfg80211_indicate_connect(padapter);
netif_carrier_on(padapter->pnetdev);
if (padapter->pid[2] != 0)
kill_pid(find_vpid(padapter->pid[2]), SIGALRM, 1);
}
rtw_set_roaming(padapter, 0);
rtw_set_scan_deny(padapter, 3000);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"-rtw_indicate_connect23a: fw_state=0x%08x\n",
get_fwstate(pmlmepriv));
}
/*
*rtw_indicate_disconnect23a: the caller has to lock pmlmepriv->lock
*/
void rtw_indicate_disconnect23a(struct rtw_adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"+rtw_indicate_disconnect23a\n");
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS);
/* DBG_8723A("clear wps when %s\n", __func__); */
if (padapter->mlmepriv.to_roaming > 0)
_clr_fwstate_(pmlmepriv, _FW_LINKED);
if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) ||
padapter->mlmepriv.to_roaming <= 0) {
rtw_os_indicate_disconnect23a(padapter);
/* set ips_deny_time to avoid enter IPS before LPS leave */
padapter->pwrctrlpriv.ips_deny_time =
jiffies + msecs_to_jiffies(3000);
_clr_fwstate_(pmlmepriv, _FW_LINKED);
rtw_clear_scan_deny(padapter);
}
rtw_lps_ctrl_wk_cmd23a(padapter, LPS_CTRL_DISCONNECT, 1);
}
void rtw_scan_abort23a(struct rtw_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(jiffies - start) <= 200) {
if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
break;
DBG_8723A("%s(%s): fw_state = _FW_UNDER_SURVEY!\n",
__func__, adapter->pnetdev->name);
msleep(20);
}
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
DBG_8723A("%s(%s): waiting for scan_abort time out!\n",
__func__, adapter->pnetdev->name);
rtw_cfg80211_indicate_scan_done(wdev_to_priv(adapter->rtw_wdev),
true);
}
pmlmeext->scan_abort = false;
}
static struct sta_info *
rtw_joinbss_update_stainfo(struct rtw_adapter *padapter,
struct wlan_network *pnetwork)
{
int i;
struct sta_info *bmc_sta, *psta;
struct recv_reorder_ctrl *preorder_ctrl;
struct sta_priv *pstapriv = &padapter->stapriv;
psta = rtw_get_stainfo23a(pstapriv, pnetwork->network.MacAddress);
if (!psta)
psta = rtw_alloc_stainfo23a(pstapriv,
pnetwork->network.MacAddress,
GFP_ATOMIC);
if (psta) { /* update ptarget_sta */
DBG_8723A("%s\n", __func__);
psta->aid = pnetwork->join_res;
psta->mac_id = 0;
/* sta mode */
rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true);
/* security related */
if (padapter->securitypriv.dot11AuthAlgrthm ==
dot11AuthAlgrthm_8021X) {
padapter->securitypriv.binstallGrpkey = 0;
padapter->securitypriv.busetkipkey = 0;
psta->ieee8021x_blocked = true;
psta->dot118021XPrivacy =
padapter->securitypriv.dot11PrivacyAlgrthm;
memset(&psta->dot118021x_UncstKey, 0,
sizeof (union Keytype));
memset(&psta->dot11tkiprxmickey, 0,
sizeof (union Keytype));
memset(&psta->dot11tkiptxmickey, 0,
sizeof (union Keytype));
memset(&psta->dot11txpn, 0, sizeof (union pn48));
memset(&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;
preorder_ctrl->wend_b = 0xffff;
/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
preorder_ctrl->wsize_b = 64;
}
bmc_sta = rtw_get_bcmc_stainfo23a(padapter);
if (bmc_sta) {
for (i = 0; i < 16 ; i++) {
preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
preorder_ctrl->enable = false;
preorder_ctrl->indicate_seq = 0xffff;
preorder_ctrl->wend_b = 0xffff;
/* max_ampdu_sz; ex. 32(kbytes) ->
wsize_b = 32 */
preorder_ctrl->wsize_b = 64;
}
}
/* misc. */
update_sta_info23a(padapter, psta);
}
return psta;
}
/* pnetwork : returns from rtw23a_joinbss_event_cb */
/* ptarget_wlan: found from scanned_queue */
static void
rtw_joinbss_update_network23a(struct rtw_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_8723A("%s\n", __func__);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
"fw_state:%x, BSSID:%pM\n",
get_fwstate(pmlmepriv),
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->network.capability = ptarget_wlan->network.capability;
cur_network->network.beacon_interval =
ptarget_wlan->network.beacon_interval;
cur_network->network.tsf = ptarget_wlan->network.tsf;
rtw_set_signal_stat_timer(&padapter->recvpriv);
padapter->recvpriv.signal_strength =
ptarget_wlan->network.SignalStrength;
padapter->recvpriv.signal_qual = ptarget_wlan->network.SignalQuality;
/*
* the ptarget_wlan->network.Rssi is raw data, we use
* ptarget_wlan->network.SignalStrength instead (has scaled)
*/
DBG_8723A("%s signal_strength:%3u, signal_qual:%3u\n",
__func__, padapter->recvpriv.signal_strength,
padapter->recvpriv.signal_qual);
rtw_set_signal_stat_timer(&padapter->recvpriv);
/* update fw_state will clr _FW_UNDER_LINKING here indirectly */
switch (pnetwork->network.ifmode) {
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
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 NL80211_IFTYPE_ADHOC:
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_protection23a(padapter, cur_network->network.IEs,
cur_network->network.IELength);
rtw_update_ht_cap23a(padapter, cur_network->network.IEs,
cur_network->network.IELength);
}
/*
* Notes:
* the function could be > passive_level (the same context as Rx tasklet)
* pnetwork : returns from rtw23a_joinbss_event_cb
* 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 rtw_joinbss_event_prehandle23a(struct rtw_adapter *adapter, u8 *pbuf)
{
struct sta_info *ptarget_sta, *pcur_sta;
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, *ptarget_wlan = NULL;
bool the_same_macaddr;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
"joinbss event call back received with res=%d\n",
pnetwork->join_res);
if (pmlmepriv->assoc_ssid.ssid_len == 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_,
"@@@@@ rtw23a_joinbss_event_cb for SSid:%s\n",
pmlmepriv->assoc_ssid.ssid);
}
if (ether_addr_equal(pnetwork->network.MacAddress,
cur_network->network.MacAddress))
the_same_macaddr = true;
else
the_same_macaddr = false;
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_,
"***joinbss_evt_callback return a wrong bss ***\n");
return;
}
spin_lock_bh(&pmlmepriv->lock);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
"rtw23a_joinbss_event_cb !! _enter_critical\n");
if (pnetwork->join_res > 0) {
spin_lock_bh(&pmlmepriv->scanned_queue.lock);
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
/* s1. find ptarget_wlan */
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
if (the_same_macaddr) {
ptarget_wlan = rtw_find_network23a(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
} else {
pcur_wlan = rtw_find_network23a(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
if (pcur_wlan)
pcur_wlan->fixed = false;
pcur_sta = rtw_get_stainfo23a(pstapriv, cur_network->network.MacAddress);
if (pcur_sta) {
spin_lock_bh(&pstapriv->sta_hash_lock);
rtw_free_stainfo23a(adapter,
pcur_sta);
spin_unlock_bh(&pstapriv->sta_hash_lock);
}
ptarget_wlan = rtw_find_network23a(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
if (check_fwstate(pmlmepriv,
WIFI_STATION_STATE)) {
if (ptarget_wlan)
ptarget_wlan->fixed =
true;
}
}
} else {
ptarget_wlan = rtw_find_network23a(
&pmlmepriv->scanned_queue,
pnetwork->network.MacAddress);
if (check_fwstate(pmlmepriv,
WIFI_STATION_STATE)) {
if (ptarget_wlan)
ptarget_wlan->fixed = true;
}
}
/* s2. update cur_network */
if (ptarget_wlan)
rtw_joinbss_update_network23a(adapter,
ptarget_wlan,
pnetwork);
else {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"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)) {
ptarget_sta = rtw_joinbss_update_stainfo(
adapter, pnetwork);
if (!ptarget_sta) {
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))
rtw_indicate_connect23a(adapter);
else {
/* adhoc mode will rtw_indicate_connect23a
when rtw_stassoc_event_callback23a */
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
"adhoc mode, fw_state:%x\n",
get_fwstate(pmlmepriv));
}
/* s5. Cancle assoc_timer */
del_timer_sync(&pmlmepriv->assoc_timer);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
"Cancle assoc_timer\n");
} else {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"rtw23a_joinbss_event_cb err: fw_state:%x\n",
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_securitypriv23a(adapter);
mod_timer(&pmlmepriv->assoc_timer,
jiffies + msecs_to_jiffies(1));
/* rtw_free_assoc_resources23a(adapter, 1); */
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
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 */
mod_timer(&pmlmepriv->assoc_timer,
jiffies + msecs_to_jiffies(1));
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
}
ignore_joinbss_callback:
spin_unlock_bh(&pmlmepriv->lock);
}
void rtw23a_joinbss_event_cb(struct rtw_adapter *adapter, const u8 *pbuf)
{
struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
mlmeext_joinbss_event_callback23a(adapter, pnetwork->join_res);
rtw_os_xmit_schedule23a(adapter);
}
void rtw_stassoc_event_callback23a(struct rtw_adapter *adapter, const 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;
if (rtw_access_ctrl23a(adapter, pstassoc->macaddr) == false)
return;
#ifdef CONFIG_8723AU_AP_MODE
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
psta = rtw_get_stainfo23a(&adapter->stapriv, pstassoc->macaddr);
if (psta) {
/* bss_cap_update_on_sta_join23a(adapter, psta); */
/* sta_info_update23a(adapter, psta); */
ap_sta_info_defer_update23a(adapter, psta);
}
return;
}
#endif
/* for AD-HOC mode */
psta = rtw_get_stainfo23a(&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_callback23a: sta has been in sta_hash_queue\n");
/* between drv has received this event before and
fw have not yet to set key to CAM_ENTRY) */
return;
}
psta = rtw_alloc_stainfo23a(&adapter->stapriv, pstassoc->macaddr,
GFP_KERNEL);
if (!psta) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"Can't alloc sta_info when rtw_stassoc_event_callback23a\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_8723A("%s\n", __func__);
/* for ad-hoc mode */
rtl8723a_SetHalODMVar(adapter, HAL_ODM_STA_INFO, psta, true);
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) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
if (adapter->stapriv.asoc_sta_count == 2) {
spin_lock_bh(&pmlmepriv->scanned_queue.lock);
ptarget_wlan =
rtw_find_network23a(&pmlmepriv->scanned_queue,
cur_network->network.MacAddress);
if (ptarget_wlan)
ptarget_wlan->fixed = true;
spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
rtw_indicate_connect23a(adapter);
}
}
spin_unlock_bh(&pmlmepriv->lock);
mlmeext_sta_add_event_callback23a(adapter, psta);
}
void rtw_stadel_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf)
{
int mac_id;
struct sta_info *psta;
struct wlan_network *pwlan;
struct wlan_bssid_ex *pdev_network;
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;
psta = rtw_get_stainfo23a(&adapter->stapriv, pstadel->macaddr);
if (psta)
mac_id = psta->mac_id;
else
mac_id = pstadel->mac_id;
DBG_8723A("%s(mac_id=%d)=%pM\n", __func__, mac_id, pstadel->macaddr);
if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
return;
mlmeext_sta_del_event_callback23a(adapter);
spin_lock_bh(&pmlmepriv->lock);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
if (adapter->mlmepriv.to_roaming > 0) {
/* this stadel_event is caused by roaming,
decrease to_roaming */
pmlmepriv->to_roaming--;
} else if (adapter->mlmepriv.to_roaming == 0)
rtw_set_roaming(adapter, adapter->registrypriv.max_roaming_times);
if (*((u16 *)pstadel->rsvd) != WLAN_REASON_EXPIRATION_CHK)
rtw_set_roaming(adapter, 0); /* don't roam */
rtw_free_uc_swdec_pending_queue23a(adapter);
rtw_free_assoc_resources23a(adapter, 1);
rtw_indicate_disconnect23a(adapter);
spin_lock_bh(&pmlmepriv->scanned_queue.lock);
/* remove the network entry in scanned_queue */
pwlan = rtw_find_network23a(&pmlmepriv->scanned_queue,
tgt_network->network.MacAddress);
if (pwlan) {
pwlan->fixed = false;
rtw_free_network_nolock(pmlmepriv, pwlan);
}
spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
_rtw_roaming(adapter, tgt_network);
}
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
spin_lock_bh(&pstapriv->sta_hash_lock);
rtw_free_stainfo23a(adapter, psta);
spin_unlock_bh(&pstapriv->sta_hash_lock);
/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
if (adapter->stapriv.asoc_sta_count == 1) {
spin_lock_bh(&pmlmepriv->scanned_queue.lock);
/* free old ibss network */
/* pwlan = rtw_find_network23a(
&pmlmepriv->scanned_queue, pstadel->macaddr); */
pwlan = rtw_find_network23a(&pmlmepriv->scanned_queue,
tgt_network->network.MacAddress);
if (pwlan) {
pwlan->fixed = false;
rtw_free_network_nolock(pmlmepriv, pwlan);
}
spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
/* re-create ibss */
pdev_network = &adapter->registrypriv.dev_network;
memcpy(pdev_network, &tgt_network->network,
get_wlan_bssid_ex_sz(&tgt_network->network));
rtw_do_join_adhoc(adapter);
}
}
spin_unlock_bh(&pmlmepriv->lock);
}
/*
* rtw23a_join_to_handler - Timeout/failure handler for CMD JoinBss
* @adapter: pointer to _adapter structure
*/
void rtw23a_join_to_handler (unsigned long data)
{
struct rtw_adapter *adapter = (struct rtw_adapter *)data;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
int do_join_r;
DBG_8723A("%s, fw_state=%x\n", __func__, get_fwstate(pmlmepriv));
if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
return;
spin_lock_bh(&pmlmepriv->lock);
if (adapter->mlmepriv.to_roaming > 0) {
/* join timeout caused by roaming */
while (1) {
pmlmepriv->to_roaming--;
if (adapter->mlmepriv.to_roaming != 0) {
/* try another */
DBG_8723A("%s try another roaming\n", __func__);
do_join_r = rtw_do_join(adapter);
if (do_join_r != _SUCCESS) {
DBG_8723A("%s roaming do_join return "
"%d\n", __func__ , do_join_r);
continue;
}
break;
} else {
DBG_8723A("%s We've try roaming but fail\n",
__func__);
rtw_indicate_disconnect23a(adapter);
break;
}
}
} else {
rtw_indicate_disconnect23a(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_handler23a - Timeout/Failure handler for CMD SiteSurvey
* @data: pointer to _adapter structure
*/
void rtw_scan_timeout_handler23a(unsigned long data)
{
struct rtw_adapter *adapter = (struct rtw_adapter *)data;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
DBG_8723A("%s(%s): fw_state =%x\n", __func__, adapter->pnetdev->name,
get_fwstate(pmlmepriv));
spin_lock_bh(&pmlmepriv->lock);
_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
spin_unlock_bh(&pmlmepriv->lock);
rtw_cfg80211_indicate_scan_done(wdev_to_priv(adapter->rtw_wdev), true);
}
void rtw_dynamic_check_timer_handler(unsigned long data)
{
struct rtw_adapter *adapter = (struct rtw_adapter *)data;
if (adapter->hw_init_completed == false)
goto out;
if (adapter->bDriverStopped == true ||
adapter->bSurpriseRemoved == true)
goto out;
if (adapter->net_closed == true)
goto out;
rtw_dynamic_chk_wk_cmd23a(adapter);
out:
mod_timer(&adapter->mlmepriv.dynamic_chk_timer,
jiffies + msecs_to_jiffies(2000));
}
inline bool rtw_is_scan_deny(struct rtw_adapter *adapter)
{
struct mlme_priv *mlmepriv = &adapter->mlmepriv;
return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false;
}
void rtw_clear_scan_deny(struct rtw_adapter *adapter)
{
struct mlme_priv *mlmepriv = &adapter->mlmepriv;
atomic_set(&mlmepriv->set_scan_deny, 0);
}
void rtw_set_scan_deny_timer_hdl(unsigned long data)
{
struct rtw_adapter *adapter = (struct rtw_adapter *)data;
rtw_clear_scan_deny(adapter);
}
void rtw_set_scan_deny(struct rtw_adapter *adapter, u32 ms)
{
struct mlme_priv *mlmepriv = &adapter->mlmepriv;
atomic_set(&mlmepriv->set_scan_deny, 1);
mod_timer(&mlmepriv->set_scan_deny_timer,
jiffies + msecs_to_jiffies(ms));
}
#if defined(IEEE80211_SCAN_RESULT_EXPIRE)
#define RTW_SCAN_RESULT_EXPIRE \
((IEEE80211_SCAN_RESULT_EXPIRE / (HZ*1000)) - 1000) /* 3000 -1000 */
#else
#define RTW_SCAN_RESULT_EXPIRE 2000
#endif
/*
* 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 *pmlmepriv,
struct wlan_network **candidate,
struct wlan_network *competitor)
{
int updated = false;
struct rtw_adapter *adapter;
adapter = container_of(pmlmepriv, struct rtw_adapter, mlmepriv);
/* check bssid, if needed */
if (pmlmepriv->assoc_by_bssid == true) {
if (!ether_addr_equal(competitor->network.MacAddress,
pmlmepriv->assoc_bssid))
goto exit;
}
/* check ssid, if needed */
if (pmlmepriv->assoc_ssid.ssid_len) {
if (competitor->network.Ssid.ssid_len !=
pmlmepriv->assoc_ssid.ssid_len ||
memcmp(competitor->network.Ssid.ssid,
pmlmepriv->assoc_ssid.ssid,
pmlmepriv->assoc_ssid.ssid_len))
goto exit;
}
if (rtw_is_desired_network(adapter, competitor) == false)
goto exit;
if (adapter->mlmepriv.to_roaming > 0) {
unsigned int passed;
passed = jiffies_to_msecs(jiffies - competitor->last_scanned);
if (passed >= RTW_SCAN_RESULT_EXPIRE ||
is_same_ess(&competitor->network,
&pmlmepriv->cur_network.network) == false)
goto exit;
}
if (!*candidate ||
(*candidate)->network.Rssi<competitor->network.Rssi) {
*candidate = competitor;
updated = true;
}
if (updated) {
DBG_8723A("[by_bssid:%u][assoc_ssid:%s][to_roaming:%u] new candidate: %s(%pM) rssi:%d\n",
pmlmepriv->assoc_by_bssid,
pmlmepriv->assoc_ssid.ssid,
adapter->mlmepriv.to_roaming,
(*candidate)->network.Ssid.ssid,
(*candidate)->network.MacAddress,
(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
*/
static int rtw_do_join(struct rtw_adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
int ret;
pmlmepriv->cur_network.join_res = -2;
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
pmlmepriv->to_join = true;
ret = rtw_select_and_join_from_scanned_queue23a(pmlmepriv);
if (ret == _SUCCESS) {
pmlmepriv->to_join = false;
} else {
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
/* switch to ADHOC_MASTER */
ret = rtw_do_join_adhoc(padapter);
if (ret != _SUCCESS)
goto exit;
} else {
/* can't associate ; reset under-linking */
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
ret = _FAIL;
pmlmepriv->to_join = false;
}
}
exit:
return ret;
}
static struct wlan_network *
rtw_select_candidate_from_queue(struct mlme_priv *pmlmepriv)
{
struct wlan_network *pnetwork, *candidate = NULL;
struct rtw_queue *queue = &pmlmepriv->scanned_queue;
struct list_head *phead, *plist, *ptmp;
spin_lock_bh(&pmlmepriv->scanned_queue.lock);
phead = get_list_head(queue);
list_for_each_safe(plist, ptmp, phead) {
pnetwork = container_of(plist, struct wlan_network, list);
if (!pnetwork) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"%s: return _FAIL:(pnetwork == NULL)\n",
__func__);
goto exit;
}
rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
}
exit:
spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
return candidate;
}
int rtw_do_join_adhoc(struct rtw_adapter *adapter)
{
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct wlan_bssid_ex *pdev_network;
u8 *ibss;
int ret;
pdev_network = &adapter->registrypriv.dev_network;
ibss = adapter->registrypriv.dev_network.MacAddress;
_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 cfg80211_ssid));
rtw_update_registrypriv_dev_network23a(adapter);
rtw_generate_random_ibss23a(ibss);
pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
ret = rtw_createbss_cmd23a(adapter);
if (ret != _SUCCESS) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"Error =>rtw_createbss_cmd23a status FAIL\n");
} else {
pmlmepriv->to_join = false;
}
return ret;
}
int rtw_do_join_network(struct rtw_adapter *adapter,
struct wlan_network *candidate)
{
int ret;
/* check for situation of _FW_LINKED */
if (check_fwstate(&adapter->mlmepriv, _FW_LINKED)) {
DBG_8723A("%s: _FW_LINKED while ask_for_joinbss!\n", __func__);
rtw_disassoc_cmd23a(adapter, 0, true);
rtw_indicate_disconnect23a(adapter);
rtw_free_assoc_resources23a(adapter, 0);
}
set_fwstate(&adapter->mlmepriv, _FW_UNDER_LINKING);
ret = rtw_joinbss_cmd23a(adapter, candidate);
if (ret == _SUCCESS)
mod_timer(&adapter->mlmepriv.assoc_timer,
jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
return ret;
}
int rtw_select_and_join_from_scanned_queue23a(struct mlme_priv *pmlmepriv)
{
struct rtw_adapter *adapter;
struct wlan_network *candidate = NULL;
int ret;
adapter = pmlmepriv->nic_hdl;
candidate = rtw_select_candidate_from_queue(pmlmepriv);
if (!candidate) {
DBG_8723A("%s: return _FAIL(candidate == NULL)\n", __func__);
ret = _FAIL;
goto exit;
} else {
DBG_8723A("%s: candidate: %s(%pM, ch:%u)\n",
__func__,
candidate->network.Ssid.ssid,
candidate->network.MacAddress,
candidate->network.DSConfig);
}
ret = rtw_do_join_network(adapter, candidate);
exit:
return ret;
}
int rtw_set_auth23a(struct rtw_adapter *adapter,
struct security_priv *psecuritypriv)
{
struct cmd_obj *pcmd;
struct setauth_parm *psetauthparm;
struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
int res = _SUCCESS;
pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
if (!pcmd) {
res = _FAIL; /* try again */
goto exit;
}
psetauthparm = kzalloc(sizeof(struct setauth_parm), GFP_KERNEL);
if (!psetauthparm) {
kfree(pcmd);
res = _FAIL;
goto exit;
}
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;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"after enqueue set_auth_cmd, auth_mode=%x\n",
psecuritypriv->dot11AuthAlgrthm);
res = rtw_enqueue_cmd23a(pcmdpriv, pcmd);
exit:
return res;
}
int rtw_set_key23a(struct rtw_adapter *adapter,
struct security_priv *psecuritypriv, int keyid, u8 set_tx)
{
u8 keylen;
struct cmd_obj *pcmd;
struct setkey_parm *psetkeyparm;
struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
int res = _SUCCESS;
if (keyid >= 4) {
res = _FAIL;
goto exit;
}
pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
if (!pcmd) {
res = _FAIL; /* try again */
goto exit;
}
psetkeyparm = kzalloc(sizeof(struct setkey_parm), GFP_KERNEL);
if (!psetkeyparm) {
kfree(pcmd);
res = _FAIL;
goto exit;
}
if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
psetkeyparm->algorithm = (unsigned char)
psecuritypriv->dot118021XGrpPrivacy;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"rtw_set_key23a: psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy =%d\n",
psetkeyparm->algorithm);
} else {
psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"rtw_set_key23a: psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm =%d\n",
psetkeyparm->algorithm);
}
psetkeyparm->keyid = keyid;/* 0~3 */
psetkeyparm->set_tx = set_tx;
if (is_wep_enc(psetkeyparm->algorithm))
pmlmepriv->key_mask |= BIT(psetkeyparm->keyid);
DBG_8723A("==> rtw_set_key23a algorithm(%x), keyid(%x), key_mask(%x)\n",
psetkeyparm->algorithm, psetkeyparm->keyid,
pmlmepriv->key_mask);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"rtw_set_key23a: psetkeyparm->algorithm =%d psetkeyparm->keyid = (u8)keyid =%d\n",
psetkeyparm->algorithm, keyid);
switch (psetkeyparm->algorithm) {
case WLAN_CIPHER_SUITE_WEP40:
keylen = 5;
memcpy(&psetkeyparm->key[0],
&psecuritypriv->wep_key[keyid].key, keylen);
break;
case WLAN_CIPHER_SUITE_WEP104:
keylen = 13;
memcpy(&psetkeyparm->key[0],
&psecuritypriv->wep_key[keyid].key, keylen);
break;
case WLAN_CIPHER_SUITE_TKIP:
keylen = 16;
memcpy(&psetkeyparm->key,
&psecuritypriv->dot118021XGrpKey[keyid], keylen);
psetkeyparm->grpkey = 1;
break;
case WLAN_CIPHER_SUITE_CCMP:
keylen = 16;
memcpy(&psetkeyparm->key,
&psecuritypriv->dot118021XGrpKey[keyid], keylen);
psetkeyparm->grpkey = 1;
break;
default:
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
"rtw_set_key23a:psecuritypriv->dot11PrivacyAlgrthm = %x (must be 1 or 2 or 4 or 5)\n",
psecuritypriv->dot11PrivacyAlgrthm);
res = _FAIL;
kfree(pcmd);
kfree(psetkeyparm);
goto exit;
}
pcmd->cmdcode = _SetKey_CMD_;
pcmd->parmbuf = (u8 *)psetkeyparm;
pcmd->cmdsz = (sizeof(struct setkey_parm));
pcmd->rsp = NULL;
pcmd->rspsz = 0;
/* sema_init(&pcmd->cmd_sem, 0); */
res = rtw_enqueue_cmd23a(pcmdpriv, pcmd);
exit:
return res;
}
/* adjust IEs for rtw_joinbss_cmd23a in WMM */
int rtw_restruct_wmm_ie23a(struct rtw_adapter *adapter, u8 *in_ie,
u8 *out_ie, uint in_len, uint initial_out_len)
{
int ielength;
const u8 *p;
ielength = initial_out_len;
p = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WMM,
in_ie, in_len);
if (p && p[1]) {
memcpy(out_ie + initial_out_len, p, 9);
out_ie[initial_out_len + 1] = 7;
out_ie[initial_out_len + 6] = 0;
out_ie[initial_out_len + 8] = 0;
ielength += 9;
}
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 rtw_adapter *Adapter, u8 *bssid)
{
struct security_priv *psecuritypriv = &Adapter->securitypriv;
int i = 0;
do {
if (psecuritypriv->PMKIDList[i].bUsed &&
ether_addr_equal(psecuritypriv->PMKIDList[i].Bssid, bssid)) {
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 rtw_adapter *Adapter, int iEntry,
u8 *ie, uint ie_len)
{
struct security_priv *psecuritypriv = &Adapter->securitypriv;
if (ie[1] <= 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[1] += 18;/* PMKID length = 2+16 */
}
return ie_len;
}
int rtw_restruct_sec_ie23a(struct rtw_adapter *adapter, u8 *in_ie, u8 *out_ie,
uint in_len)
{
u8 authmode;
uint ielength;
int iEntry;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct security_priv *psecuritypriv = &adapter->securitypriv;
uint ndisauthmode = psecuritypriv->ndisauthtype;
uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
"+rtw_restruct_sec_ie23a: ndisauthmode=%d ndissecuritytype=%d\n",
ndisauthmode, ndissecuritytype);
ielength = 0;
if (ndisauthmode == Ndis802_11AuthModeWPA ||
ndisauthmode == Ndis802_11AuthModeWPAPSK)
authmode = WLAN_EID_VENDOR_SPECIFIC;
if (ndisauthmode == Ndis802_11AuthModeWPA2 ||
ndisauthmode == Ndis802_11AuthModeWPA2PSK)
authmode = WLAN_EID_RSN;
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 == WLAN_EID_VENDOR_SPECIFIC ||
authmode == WLAN_EID_RSN) {
/* copy RSN or SSN */
memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0],
psecuritypriv->supplicant_ie[1] + 2);
ielength += psecuritypriv->supplicant_ie[1] + 2;
}
iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
if (iEntry < 0)
return ielength;
else {
if (authmode == WLAN_EID_RSN)
ielength = rtw_append_pmkid(adapter, iEntry,
out_ie, ielength);
}
return ielength;
}
void rtw_init_registrypriv_dev_network23a(struct rtw_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);
ether_addr_copy(pdev_network->MacAddress, myhwaddr);
memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
sizeof(struct cfg80211_ssid));
pdev_network->beacon_interval = 100;
}
void rtw_update_registrypriv_dev_network23a(struct rtw_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);
pdev_network->Rssi = 0;
pdev_network->DSConfig = pregistrypriv->channel;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
"pregistrypriv->channel =%d, pdev_network->DSConfig = 0x%x\n",
pregistrypriv->channel, pdev_network->DSConfig);
if (cur_network->network.ifmode == NL80211_IFTYPE_ADHOC)
pdev_network->ATIMWindow = 0;
pdev_network->ifmode = cur_network->network.ifmode;
/* 1. Supported rates */
/* 2. IE */
sz = rtw_generate_ie23a(pregistrypriv);
pdev_network->IELength = sz;
pdev_network->Length =
get_wlan_bssid_ex_sz(pdev_network);
/* notes: translate IELength & Length after assign the
Length to cmdsz in createbss_cmd(); */
/* pdev_network->IELength = cpu_to_le32(sz); */
}
/* the function is at passive_level */
void rtw_joinbss_reset23a(struct rtw_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;
} else
threshold = 1;
rtl8723a_set_rxdma_agg_pg_th(padapter, threshold);
}
/* the function is >= passive_level */
bool rtw_restructure_ht_ie23a(struct rtw_adapter *padapter, u8 *in_ie,
u8 *out_ie, uint in_len, uint *pout_len)
{
u32 out_len;
int max_rx_ampdu_factor;
unsigned char *pframe;
const u8 *p;
struct ieee80211_ht_cap ht_capie;
u8 WMM_IE[7] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
phtpriv->ht_option = false;
p = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, in_ie, in_len);
if (p && p[1] > 0) {
u32 rx_packet_offset, max_recvbuf_sz;
if (pmlmepriv->qos_option == 0) {
out_len = *pout_len;
pframe = rtw_set_ie23a(out_ie + out_len,
WLAN_EID_VENDOR_SPECIFIC,
sizeof(WMM_IE), WMM_IE,
pout_len);
pmlmepriv->qos_option = 1;
}
out_len = *pout_len;
memset(&ht_capie, 0, sizeof(struct 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_DSSSCCK40);
GetHalDefVar8192CUsb(padapter, HAL_DEF_RX_PACKET_OFFSET,
&rx_packet_offset);
GetHalDefVar8192CUsb(padapter, HAL_DEF_MAX_RECVBUF_SZ,
&max_recvbuf_sz);
GetHalDefVar8192CUsb(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 ==
WLAN_CIPHER_SUITE_CCMP)
ht_capie.ampdu_params_info |=
(IEEE80211_HT_AMPDU_PARM_DENSITY& (0x07 << 2));
else
ht_capie.ampdu_params_info |=
(IEEE80211_HT_AMPDU_PARM_DENSITY & 0x00);
pframe = rtw_set_ie23a(out_ie + out_len, WLAN_EID_HT_CAPABILITY,
sizeof(struct ieee80211_ht_cap),
(unsigned char *)&ht_capie, pout_len);
phtpriv->ht_option = true;
p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, in_ie, in_len);
if (p && (p[1] == sizeof(struct ieee80211_ht_operation))) {
out_len = *pout_len;
pframe = rtw_set_ie23a(out_ie + out_len,
WLAN_EID_HT_OPERATION,
p[1], p + 2 , pout_len);
}
}
return phtpriv->ht_option;
}
/* the function is > passive_level (in critical_section) */
void rtw_update_ht_cap23a(struct rtw_adapter *padapter, u8 *pie, uint ie_len)
{
u8 max_ampdu_sz;
const u8 *p;
struct ieee80211_ht_cap *pht_capie;
struct ieee80211_ht_operation *pht_addtinfo;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
struct registry_priv *pregistrypriv = &padapter->registrypriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
if (!phtpriv->ht_option)
return;
if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
return;
DBG_8723A("+rtw_update_ht_cap23a()\n");
/* maybe needs check if ap supports rx ampdu. */
if (!phtpriv->ampdu_enable && pregistrypriv->ampdu_enable == 1) {
if (pregistrypriv->wifi_spec == 1)
phtpriv->ampdu_enable = false;
else
phtpriv->ampdu_enable = true;
} else if (pregistrypriv->ampdu_enable == 2)
phtpriv->ampdu_enable = true;
/* check Max Rx A-MPDU Size */
p = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, pie, ie_len);
if (p && p[1] > 0) {
pht_capie = (struct 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;
}
p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, pie, ie_len);
if (p && p[1] > 0) {
pht_addtinfo = (struct ieee80211_ht_operation *)(p + 2);
/* todo: */
}
/* update cur_bwmode & cur_ch_offset */
if (pregistrypriv->cbw40_enable &&
pmlmeinfo->ht_cap.cap_info &
cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
pmlmeinfo->HT_info.ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) {
int i;
u8 rf_type;
rf_type = rtl8723a_get_rf_type(padapter);
/* update the MCS rates */
for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
if (rf_type == RF_1T1R || rf_type == RF_1T2R)
pmlmeinfo->ht_cap.mcs.rx_mask[i] &=
MCS_rate_1R23A[i];
else
pmlmeinfo->ht_cap.mcs.rx_mask[i] &=
MCS_rate_2R23A[i];
}
/* switch to the 40M Hz mode according to the AP */
pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40;
switch (pmlmeinfo->HT_info.ht_param &
IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
break;
case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
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_cap.cap_info) &
IEEE80211_HT_CAP_SM_PS) >> IEEE80211_HT_CAP_SM_PS_SHIFT;
if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
DBG_8723A("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
/* */
/* Config current HT Protection mode. */
/* */
pmlmeinfo->HT_protection =
le16_to_cpu(pmlmeinfo->HT_info.operation_mode) &
IEEE80211_HT_OP_MODE_PROTECTION;
}
void rtw_issue_addbareq_cmd23a(struct rtw_adapter *padapter,
struct xmit_frame *pxmitframe)
{
u8 issued;
int priority;
struct sta_info *psta;
struct ht_priv *phtpriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
s32 bmcst = is_multicast_ether_addr(pattrib->ra);
if (bmcst || padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100)
return;
priority = pattrib->priority;
if (pattrib->psta)
psta = pattrib->psta;
else {
DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra);
}
if (!psta) {
DBG_8723A("%s, psta == NUL\n", __func__);
return;
}
if (!(psta->state &_FW_LINKED)) {
DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n",
__func__, psta->state);
return;
}
phtpriv = &psta->htpriv;
if (phtpriv->ht_option && phtpriv->ampdu_enable) {
issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
if (issued == 0) {
DBG_8723A("rtw_issue_addbareq_cmd23a, p =%d\n",
priority);
psta->htpriv.candidate_tid_bitmap |= BIT(priority);
rtw_addbareq_cmd23a(padapter, (u8) priority,
pattrib->ra);
}
}
}
int rtw_linked_check(struct rtw_adapter *padapter)
{
if (check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) ||
check_fwstate(&padapter->mlmepriv,
WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
if (padapter->stapriv.asoc_sta_count > 2)
return true;
} else { /* Station mode */
if (check_fwstate(&padapter->mlmepriv, _FW_LINKED))
return true;
}
return false;
}