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rtw_ap.c
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/******************************************************************************
*
* Copyright(c) 2007 - 2017 Realtek Corporation.
*
* 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_AP_C_
#include <drv_types.h>
#include <hal_data.h>
#ifdef CONFIG_AP_MODE
extern unsigned char RTW_WPA_OUI[];
extern unsigned char WMM_OUI[];
extern unsigned char WPS_OUI[];
extern unsigned char P2P_OUI[];
extern unsigned char WFD_OUI[];
void init_mlme_ap_info(_adapter *padapter)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
_rtw_spinlock_init(&pmlmepriv->bcn_update_lock);
/* pmlmeext->bstart_bss = _FALSE; */
}
void free_mlme_ap_info(_adapter *padapter)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
stop_ap_mode(padapter);
_rtw_spinlock_free(&pmlmepriv->bcn_update_lock);
}
/*
* Set TIM IE
* return length of total TIM IE
*/
u8 rtw_set_tim_ie(u8 dtim_cnt, u8 dtim_period
, const u8 *tim_bmp, u8 tim_bmp_len, u8 *tim_ie)
{
u8 *p = tim_ie;
u8 i, n1, n2;
u8 bmp_len;
if (rtw_bmp_not_empty(tim_bmp, tim_bmp_len)) {
/* find the first nonzero octet in tim_bitmap */
for (i = 0; i < tim_bmp_len; i++)
if (tim_bmp[i])
break;
n1 = i & 0xFE;
/* find the last nonzero octet in tim_bitmap, except octet 0 */
for (i = tim_bmp_len - 1; i > 0; i--)
if (tim_bmp[i])
break;
n2 = i;
bmp_len = n2 - n1 + 1;
} else {
n1 = n2 = 0;
bmp_len = 1;
}
*p++ = WLAN_EID_TIM;
*p++ = 2 + 1 + bmp_len;
*p++ = dtim_cnt;
*p++ = dtim_period;
*p++ = (rtw_bmp_is_set(tim_bmp, tim_bmp_len, 0) ? BIT0 : 0) | n1;
_rtw_memcpy(p, tim_bmp + n1, bmp_len);
#if 0
RTW_INFO("n1:%u, n2:%u, bmp_offset:%u, bmp_len:%u\n", n1, n2, n1 / 2, bmp_len);
RTW_INFO_DUMP("tim_ie: ", tim_ie + 2, 2 + 1 + bmp_len);
#endif
return 2 + 2 + 1 + bmp_len;
}
static void update_BCNTIM(_adapter *padapter)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
WLAN_BSSID_EX *pnetwork_mlmeext = &(pmlmeinfo->network);
unsigned char *pie = pnetwork_mlmeext->IEs;
#if 0
/* update TIM IE */
/* if(rtw_tim_map_anyone_be_set(padapter, pstapriv->tim_bitmap)) */
#endif
if (_TRUE) {
u8 *p, *dst_ie, *premainder_ie = NULL, *pbackup_remainder_ie = NULL;
uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen, pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
if (p != NULL && tim_ielen > 0) {
tim_ielen += 2;
premainder_ie = p + tim_ielen;
tim_ie_offset = (sint)(p - pie);
remainder_ielen = pnetwork_mlmeext->IELength - tim_ie_offset - tim_ielen;
/*append TIM IE from dst_ie offset*/
dst_ie = p;
} else {
tim_ielen = 0;
/*calculate head_len*/
offset = _FIXED_IE_LENGTH_;
/* get ssid_ie len */
p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SSID_IE_, &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_));
if (p != NULL)
offset += tmp_len + 2;
/*get supported rates len*/
p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_));
if (p != NULL)
offset += tmp_len + 2;
/*DS Parameter Set IE, len=3*/
offset += 3;
premainder_ie = pie + offset;
remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;
/*append TIM IE from offset*/
dst_ie = pie + offset;
}
if (remainder_ielen > 0) {
pbackup_remainder_ie = rtw_malloc(remainder_ielen);
if (pbackup_remainder_ie && premainder_ie)
_rtw_memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
}
/* append TIM IE */
dst_ie += rtw_set_tim_ie(0, 1, pstapriv->tim_bitmap, pstapriv->aid_bmp_len, dst_ie);
/*copy remainder IE*/
if (pbackup_remainder_ie) {
_rtw_memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
rtw_mfree(pbackup_remainder_ie, remainder_ielen);
}
offset = (uint)(dst_ie - pie);
pnetwork_mlmeext->IELength = offset + remainder_ielen;
}
}
void rtw_add_bcn_ie(_adapter *padapter, WLAN_BSSID_EX *pnetwork, u8 index, u8 *data, u8 len)
{
PNDIS_802_11_VARIABLE_IEs pIE;
u8 bmatch = _FALSE;
u8 *pie = pnetwork->IEs;
u8 *p = NULL, *dst_ie = NULL, *premainder_ie = NULL, *pbackup_remainder_ie = NULL;
u32 i, offset, ielen = 0, ie_offset, remainder_ielen = 0;
for (i = sizeof(NDIS_802_11_FIXED_IEs); i < pnetwork->IELength;) {
pIE = (PNDIS_802_11_VARIABLE_IEs)(pnetwork->IEs + i);
if (pIE->ElementID > index)
break;
else if (pIE->ElementID == index) { /* already exist the same IE */
p = (u8 *)pIE;
ielen = pIE->Length;
bmatch = _TRUE;
break;
}
p = (u8 *)pIE;
ielen = pIE->Length;
i += (pIE->Length + 2);
}
if (p != NULL && ielen > 0) {
ielen += 2;
premainder_ie = p + ielen;
ie_offset = (sint)(p - pie);
remainder_ielen = pnetwork->IELength - ie_offset - ielen;
if (bmatch)
dst_ie = p;
else
dst_ie = (p + ielen);
}
if (dst_ie == NULL)
return;
if (remainder_ielen > 0) {
pbackup_remainder_ie = rtw_malloc(remainder_ielen);
if (pbackup_remainder_ie && premainder_ie)
_rtw_memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
}
*dst_ie++ = index;
*dst_ie++ = len;
_rtw_memcpy(dst_ie, data, len);
dst_ie += len;
/* copy remainder IE */
if (pbackup_remainder_ie) {
_rtw_memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
rtw_mfree(pbackup_remainder_ie, remainder_ielen);
}
offset = (uint)(dst_ie - pie);
pnetwork->IELength = offset + remainder_ielen;
}
void rtw_remove_bcn_ie(_adapter *padapter, WLAN_BSSID_EX *pnetwork, u8 index)
{
u8 *p, *dst_ie = NULL, *premainder_ie = NULL, *pbackup_remainder_ie = NULL;
uint offset, ielen, ie_offset, remainder_ielen = 0;
u8 *pie = pnetwork->IEs;
p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, index, &ielen, pnetwork->IELength - _FIXED_IE_LENGTH_);
if (p != NULL && ielen > 0) {
ielen += 2;
premainder_ie = p + ielen;
ie_offset = (sint)(p - pie);
remainder_ielen = pnetwork->IELength - ie_offset - ielen;
dst_ie = p;
} else
return;
if (remainder_ielen > 0) {
pbackup_remainder_ie = rtw_malloc(remainder_ielen);
if (pbackup_remainder_ie && premainder_ie)
_rtw_memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
}
/* copy remainder IE */
if (pbackup_remainder_ie) {
_rtw_memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
rtw_mfree(pbackup_remainder_ie, remainder_ielen);
}
offset = (uint)(dst_ie - pie);
pnetwork->IELength = offset + remainder_ielen;
}
u8 chk_sta_is_alive(struct sta_info *psta);
u8 chk_sta_is_alive(struct sta_info *psta)
{
u8 ret = _FALSE;
#ifdef DBG_EXPIRATION_CHK
RTW_INFO("sta:"MAC_FMT", rssi:%d, rx:"STA_PKTS_FMT", expire_to:%u, %s%ssq_len:%u\n"
, MAC_ARG(psta->cmn.mac_addr)
, psta->cmn.rssi_stat.rssi
/* , STA_RX_PKTS_ARG(psta) */
, STA_RX_PKTS_DIFF_ARG(psta)
, psta->expire_to
, psta->state & WIFI_SLEEP_STATE ? "PS, " : ""
, psta->state & WIFI_STA_ALIVE_CHK_STATE ? "SAC, " : ""
, psta->sleepq_len
);
#endif
/* if(sta_last_rx_pkts(psta) == sta_rx_pkts(psta)) */
if ((psta->sta_stats.last_rx_data_pkts + psta->sta_stats.last_rx_ctrl_pkts) == (psta->sta_stats.rx_data_pkts + psta->sta_stats.rx_ctrl_pkts)) {
#if 0
if (psta->state & WIFI_SLEEP_STATE)
ret = _TRUE;
#endif
#ifdef CONFIG_RTW_MESH
if (MLME_IS_MESH(psta->padapter) &&
(psta->sta_stats.last_rx_hwmp_pkts !=
psta->sta_stats.rx_hwmp_pkts))
ret = _TRUE;
#endif
} else
ret = _TRUE;
sta_update_last_rx_pkts(psta);
return ret;
}
/**
* issue_aka_chk_frame - issue active keep alive check frame
* aka = active keep alive
*/
static int issue_aka_chk_frame(_adapter *adapter, struct sta_info *psta)
{
int ret = _FAIL;
u8 *target_addr = psta->cmn.mac_addr;
if (MLME_IS_AP(adapter)) {
/* issue null data to check sta alive */
if (psta->state & WIFI_SLEEP_STATE)
ret = issue_nulldata(adapter, target_addr, 0, 1, 50);
else
ret = issue_nulldata(adapter, target_addr, 0, 3, 50);
}
#ifdef CONFIG_RTW_MESH
if (MLME_IS_MESH(adapter)) {
struct rtw_mesh_path *mpath;
rtw_rcu_read_lock();
mpath = rtw_mesh_path_lookup(adapter, target_addr);
if (!mpath) {
mpath = rtw_mesh_path_add(adapter, target_addr);
if (IS_ERR(mpath)) {
rtw_rcu_read_unlock();
RTW_ERR(FUNC_ADPT_FMT" rtw_mesh_path_add for "MAC_FMT" fail.\n",
FUNC_ADPT_ARG(adapter), MAC_ARG(target_addr));
return _FAIL;
}
}
if (mpath->flags & RTW_MESH_PATH_ACTIVE)
ret = _SUCCESS;
else {
u8 flags = RTW_PREQ_Q_F_START | RTW_PREQ_Q_F_PEER_AKA;
/* issue PREQ to check peer alive */
rtw_mesh_queue_preq(mpath, flags);
ret = _FALSE;
}
rtw_rcu_read_unlock();
}
#endif
return ret;
}
#ifdef RTW_CONFIG_RFREG18_WA
static void rtw_check_restore_rf18(_adapter *padapter)
{
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(padapter);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
u32 reg;
u8 union_ch = 0, union_bw = 0, union_offset = 0, setchbw = _FALSE;
reg = rtw_hal_read_rfreg(padapter, 0, 0x18, 0x3FF);
if ((reg & 0xFF) == 0)
setchbw = _TRUE;
reg = rtw_hal_read_rfreg(padapter, 1, 0x18, 0x3FF);
if ((reg & 0xFF) == 0)
setchbw = _TRUE;
if (setchbw) {
if (!rtw_mi_get_ch_setting_union(padapter, &union_ch, &union_bw, &union_offset)) {
RTW_INFO("Hit RF(0x18)=0!! restore original channel setting.\n");
union_ch = pmlmeext->cur_channel;
union_offset = pmlmeext->cur_ch_offset ;
union_bw = pmlmeext->cur_bwmode;
} else {
RTW_INFO("Hit RF(0x18)=0!! set ch(%x) offset(%x) bwmode(%x)\n", union_ch, union_offset, union_bw);
}
/* Initial the channel_bw setting procedure. */
pHalData->current_channel = 0;
set_channel_bwmode(padapter, union_ch, union_offset, union_bw);
}
}
#endif
void expire_timeout_chk(_adapter *padapter)
{
_irqL irqL;
_list *phead, *plist;
u8 updated = _FALSE;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
u8 chk_alive_num = 0;
char chk_alive_list[NUM_STA];
int i;
#ifdef CONFIG_RTW_MESH
if (MLME_IS_MESH(padapter)
&& check_fwstate(&padapter->mlmepriv, WIFI_ASOC_STATE)
) {
struct rtw_mesh_cfg *mcfg = &padapter->mesh_cfg;
rtw_mesh_path_expire(padapter);
/* TBD: up layer timeout mechanism */
/* if (!mcfg->plink_timeout)
return; */
#ifndef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
return;
#endif
}
#endif
#ifdef CONFIG_MCC_MODE
/* then driver may check fail due to not recv client's frame under sitesurvey,
* don't expire timeout chk under MCC under sitesurvey */
if (rtw_hal_mcc_link_status_chk(padapter, __func__) == _FALSE)
return;
#endif
_enter_critical_bh(&pstapriv->auth_list_lock, &irqL);
phead = &pstapriv->auth_list;
plist = get_next(phead);
/* check auth_queue */
#ifdef DBG_EXPIRATION_CHK
if (rtw_end_of_queue_search(phead, plist) == _FALSE) {
RTW_INFO(FUNC_ADPT_FMT" auth_list, cnt:%u\n"
, FUNC_ADPT_ARG(padapter), pstapriv->auth_list_cnt);
}
#endif
while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
psta = LIST_CONTAINOR(plist, struct sta_info, auth_list);
plist = get_next(plist);
#ifdef CONFIG_ATMEL_RC_PATCH
if (_rtw_memcmp((void *)(pstapriv->atmel_rc_pattern), (void *)(psta->cmn.mac_addr), ETH_ALEN) == _TRUE)
continue;
if (psta->flag_atmel_rc)
continue;
#endif
if (psta->expire_to > 0) {
psta->expire_to--;
if (psta->expire_to == 0) {
rtw_list_delete(&psta->auth_list);
pstapriv->auth_list_cnt--;
RTW_INFO(FUNC_ADPT_FMT" auth expire "MAC_FMT"\n"
, FUNC_ADPT_ARG(padapter), MAC_ARG(psta->cmn.mac_addr));
_exit_critical_bh(&pstapriv->auth_list_lock, &irqL);
/* _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL); */
rtw_free_stainfo(padapter, psta);
/* _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL); */
_enter_critical_bh(&pstapriv->auth_list_lock, &irqL);
}
}
}
_exit_critical_bh(&pstapriv->auth_list_lock, &irqL);
psta = NULL;
_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
phead = &pstapriv->asoc_list;
plist = get_next(phead);
/* check asoc_queue */
#ifdef DBG_EXPIRATION_CHK
if (rtw_end_of_queue_search(phead, plist) == _FALSE) {
RTW_INFO(FUNC_ADPT_FMT" asoc_list, cnt:%u\n"
, FUNC_ADPT_ARG(padapter), pstapriv->asoc_list_cnt);
}
#endif
while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
plist = get_next(plist);
#ifdef CONFIG_ATMEL_RC_PATCH
RTW_INFO("%s:%d psta=%p, %02x,%02x||%02x,%02x \n\n", __func__, __LINE__,
psta, pstapriv->atmel_rc_pattern[0], pstapriv->atmel_rc_pattern[5], psta->cmn.mac_addr[0], psta->cmn.mac_addr[5]);
if (_rtw_memcmp((void *)pstapriv->atmel_rc_pattern, (void *)(psta->cmn.mac_addr), ETH_ALEN) == _TRUE)
continue;
if (psta->flag_atmel_rc)
continue;
RTW_INFO("%s: debug line:%d\n", __func__, __LINE__);
#endif
#ifdef CONFIG_AUTO_AP_MODE
if (psta->isrc)
continue;
#endif
if (chk_sta_is_alive(psta) || !psta->expire_to) {
psta->expire_to = pstapriv->expire_to;
psta->keep_alive_trycnt = 0;
#ifdef CONFIG_TX_MCAST2UNI
psta->under_exist_checking = 0;
#endif /* CONFIG_TX_MCAST2UNI */
} else
psta->expire_to--;
#ifndef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
#ifdef CONFIG_80211N_HT
#ifdef CONFIG_TX_MCAST2UNI
if ((psta->flags & WLAN_STA_HT) && (psta->htpriv.agg_enable_bitmap || psta->under_exist_checking)) {
/* check sta by delba(addba) for 11n STA */
/* ToDo: use CCX report to check for all STAs */
/* RTW_INFO("asoc check by DELBA/ADDBA! (pstapriv->expire_to=%d s)(psta->expire_to=%d s), [%02x, %d]\n", pstapriv->expire_to*2, psta->expire_to*2, psta->htpriv.agg_enable_bitmap, psta->under_exist_checking); */
if (psta->expire_to <= (pstapriv->expire_to - 50)) {
RTW_INFO("asoc expire by DELBA/ADDBA! (%d s)\n", (pstapriv->expire_to - psta->expire_to) * 2);
psta->under_exist_checking = 0;
psta->expire_to = 0;
} else if (psta->expire_to <= (pstapriv->expire_to - 3) && (psta->under_exist_checking == 0)) {
RTW_INFO("asoc check by DELBA/ADDBA! (%d s)\n", (pstapriv->expire_to - psta->expire_to) * 2);
psta->under_exist_checking = 1;
/* tear down TX AMPDU */
send_delba(padapter, 1, psta->cmn.mac_addr);/* */ /* originator */
psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
}
}
#endif /* CONFIG_TX_MCAST2UNI */
#endif /* CONFIG_80211N_HT */
#endif /* CONFIG_ACTIVE_KEEP_ALIVE_CHECK */
if (psta->expire_to <= 0) {
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
if (padapter->registrypriv.wifi_spec == 1) {
psta->expire_to = pstapriv->expire_to;
continue;
}
#ifndef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
#ifdef CONFIG_80211N_HT
#define KEEP_ALIVE_TRYCNT (3)
if (psta->keep_alive_trycnt > 0 && psta->keep_alive_trycnt <= KEEP_ALIVE_TRYCNT) {
if (psta->state & WIFI_STA_ALIVE_CHK_STATE)
psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
else
psta->keep_alive_trycnt = 0;
} else if ((psta->keep_alive_trycnt > KEEP_ALIVE_TRYCNT) && !(psta->state & WIFI_STA_ALIVE_CHK_STATE))
psta->keep_alive_trycnt = 0;
if ((psta->htpriv.ht_option == _TRUE) && (psta->htpriv.ampdu_enable == _TRUE)) {
uint priority = 1; /* test using BK */
u8 issued = 0;
/* issued = (psta->htpriv.agg_enable_bitmap>>priority)&0x1; */
issued |= (psta->htpriv.candidate_tid_bitmap >> priority) & 0x1;
if (0 == issued) {
if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
if (psta->state & WIFI_SLEEP_STATE)
psta->expire_to = 2; /* 2x2=4 sec */
else
psta->expire_to = 1; /* 2 sec */
psta->state |= WIFI_STA_ALIVE_CHK_STATE;
/* add_ba_hdl(padapter, (u8*)paddbareq_parm); */
RTW_INFO("issue addba_req to check if sta alive, keep_alive_trycnt=%d\n", psta->keep_alive_trycnt);
issue_addba_req(padapter, psta->cmn.mac_addr, (u8)priority);
_set_timer(&psta->addba_retry_timer, ADDBA_TO);
psta->keep_alive_trycnt++;
continue;
}
}
}
if (psta->keep_alive_trycnt > 0 && psta->state & WIFI_STA_ALIVE_CHK_STATE) {
psta->keep_alive_trycnt = 0;
psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
RTW_INFO("change to another methods to check alive if staion is at ps mode\n");
}
#endif /* CONFIG_80211N_HT */
#endif /* CONFIG_ACTIVE_KEEP_ALIVE_CHECK */
if (psta->state & WIFI_SLEEP_STATE) {
if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
/* to check if alive by another methods if staion is at ps mode. */
psta->expire_to = pstapriv->expire_to;
psta->state |= WIFI_STA_ALIVE_CHK_STATE;
/* RTW_INFO("alive chk, sta:" MAC_FMT " is at ps mode!\n", MAC_ARG(psta->cmn.mac_addr)); */
/* to update bcn with tim_bitmap for this station */
rtw_tim_map_set(padapter, pstapriv->tim_bitmap, psta->cmn.aid);
update_beacon(padapter, _TIM_IE_, NULL, _TRUE);
if (!pmlmeext->active_keep_alive_check)
continue;
}
}
{
int stainfo_offset;
stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
if (stainfo_offset_valid(stainfo_offset))
chk_alive_list[chk_alive_num++] = stainfo_offset;
continue;
}
} else {
/* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt)
&& padapter->xmitpriv.free_xmitframe_cnt < ((NR_XMITFRAME / pstapriv->asoc_list_cnt) / 2)
) {
RTW_INFO(FUNC_ADPT_FMT" sta:"MAC_FMT", sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n"
, FUNC_ADPT_ARG(padapter), MAC_ARG(psta->cmn.mac_addr)
, psta->sleepq_len, padapter->xmitpriv.free_xmitframe_cnt, pstapriv->asoc_list_cnt);
wakeup_sta_to_xmit(padapter, psta);
}
}
}
_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);
if (chk_alive_num) {
#if defined(CONFIG_ACTIVE_KEEP_ALIVE_CHECK)
u8 backup_ch = 0, backup_bw = 0, backup_offset = 0;
u8 union_ch = 0, union_bw = 0, union_offset = 0;
u8 switch_channel_by_drv = _TRUE;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
#endif
char del_asoc_list[NUM_STA];
_rtw_memset(del_asoc_list, NUM_STA, NUM_STA);
#ifdef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
if (pmlmeext->active_keep_alive_check) {
#ifdef CONFIG_MCC_MODE
if (MCC_EN(padapter)) {
/* driver doesn't switch channel under MCC */
if (rtw_hal_check_mcc_status(padapter, MCC_STATUS_DOING_MCC))
switch_channel_by_drv = _FALSE;
}
#endif
if (!rtw_mi_get_ch_setting_union(padapter, &union_ch, &union_bw, &union_offset)
|| pmlmeext->cur_channel != union_ch)
switch_channel_by_drv = _FALSE;
/* switch to correct channel of current network before issue keep-alive frames */
if (switch_channel_by_drv == _TRUE && rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
backup_ch = rtw_get_oper_ch(padapter);
backup_bw = rtw_get_oper_bw(padapter);
backup_offset = rtw_get_oper_choffset(padapter);
set_channel_bwmode(padapter, union_ch, union_offset, union_bw);
}
}
#endif /* CONFIG_ACTIVE_KEEP_ALIVE_CHECK */
/* check loop */
for (i = 0; i < chk_alive_num; i++) {
#ifdef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
int ret = _FAIL;
#endif
psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
#ifdef CONFIG_ATMEL_RC_PATCH
if (_rtw_memcmp(pstapriv->atmel_rc_pattern, psta->cmn.mac_addr, ETH_ALEN) == _TRUE)
continue;
if (psta->flag_atmel_rc)
continue;
#endif
if (!(psta->state & _FW_LINKED))
continue;
#ifdef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
if (pmlmeext->active_keep_alive_check) {
/* issue active keep alive frame to check */
ret = issue_aka_chk_frame(padapter, psta);
psta->keep_alive_trycnt++;
if (ret == _SUCCESS) {
RTW_INFO(FUNC_ADPT_FMT" asoc check, "MAC_FMT" is alive\n"
, FUNC_ADPT_ARG(padapter), MAC_ARG(psta->cmn.mac_addr));
psta->expire_to = pstapriv->expire_to;
psta->keep_alive_trycnt = 0;
continue;
} else if (psta->keep_alive_trycnt <= 3) {
RTW_INFO(FUNC_ADPT_FMT" asoc check, "MAC_FMT" keep_alive_trycnt=%d\n"
, FUNC_ADPT_ARG(padapter) , MAC_ARG(psta->cmn.mac_addr), psta->keep_alive_trycnt);
psta->expire_to = 1;
continue;
}
}
#endif /* CONFIG_ACTIVE_KEEP_ALIVE_CHECK */
psta->keep_alive_trycnt = 0;
del_asoc_list[i] = chk_alive_list[i];
_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
if (rtw_is_list_empty(&psta->asoc_list) == _FALSE) {
rtw_list_delete(&psta->asoc_list);
pstapriv->asoc_list_cnt--;
STA_SET_MESH_PLINK(psta, NULL);
}
_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);
}
/* delete loop */
for (i = 0; i < chk_alive_num; i++) {
u8 sta_addr[ETH_ALEN];
if (del_asoc_list[i] >= NUM_STA)
continue;
psta = rtw_get_stainfo_by_offset(pstapriv, del_asoc_list[i]);
_rtw_memcpy(sta_addr, psta->cmn.mac_addr, ETH_ALEN);
RTW_INFO(FUNC_ADPT_FMT" asoc expire "MAC_FMT", state=0x%x\n"
, FUNC_ADPT_ARG(padapter), MAC_ARG(psta->cmn.mac_addr), psta->state);
#ifdef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
updated |= ap_free_sta(padapter, psta, _FALSE, WLAN_REASON_DEAUTH_LEAVING, _FALSE);
#else
updated |= ap_free_sta(padapter, psta, _FALSE, WLAN_REASON_DEAUTH_LEAVING, _TRUE);
#endif
#ifdef CONFIG_RTW_MESH
if (MLME_IS_MESH(padapter))
rtw_mesh_expire_peer(padapter, sta_addr);
#endif
}
#ifdef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
if (pmlmeext->active_keep_alive_check) {
/* back to the original operation channel */
if (switch_channel_by_drv == _TRUE && backup_ch > 0)
set_channel_bwmode(padapter, backup_ch, backup_offset, backup_bw);
}
#endif
}
#ifdef RTW_CONFIG_RFREG18_WA
rtw_check_restore_rf18(padapter);
#endif
associated_clients_update(padapter, updated, STA_INFO_UPDATE_ALL);
}
void rtw_ap_update_sta_ra_info(_adapter *padapter, struct sta_info *psta)
{
unsigned char sta_band = 0;
u64 tx_ra_bitmap = 0;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
WLAN_BSSID_EX *pcur_network = (WLAN_BSSID_EX *)&pmlmepriv->cur_network.network;
if (!psta)
return;
if (!(psta->state & _FW_LINKED))
return;
rtw_hal_update_sta_ra_info(padapter, psta);
tx_ra_bitmap = psta->cmn.ra_info.ramask;
if (pcur_network->Configuration.DSConfig > 14) {
if (tx_ra_bitmap & 0xffff000)
sta_band |= WIRELESS_11_5N;
if (tx_ra_bitmap & 0xff0)
sta_band |= WIRELESS_11A;
/* 5G band */
#ifdef CONFIG_80211AC_VHT
if (psta->vhtpriv.vht_option)
sta_band = WIRELESS_11_5AC;
#endif
} else {
if (tx_ra_bitmap & 0xffff000)
sta_band |= WIRELESS_11_24N;
if (tx_ra_bitmap & 0xff0)
sta_band |= WIRELESS_11G;
if (tx_ra_bitmap & 0x0f)
sta_band |= WIRELESS_11B;
}
psta->wireless_mode = sta_band;
rtw_hal_update_sta_wset(padapter, psta);
RTW_INFO("%s=> mac_id:%d , tx_ra_bitmap:0x%016llx, networkType:0x%02x\n",
__FUNCTION__, psta->cmn.mac_id, tx_ra_bitmap, psta->wireless_mode);
}
#ifdef CONFIG_BMC_TX_RATE_SELECT
u8 rtw_ap_find_mini_tx_rate(_adapter *adapter)
{
_irqL irqL;
_list *phead, *plist;
u8 miini_tx_rate = ODM_RATEVHTSS4MCS9, sta_tx_rate;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &adapter->stapriv;
_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
phead = &pstapriv->asoc_list;
plist = get_next(phead);
while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
plist = get_next(plist);
sta_tx_rate = psta->cmn.ra_info.curr_tx_rate & 0x7F;
if (sta_tx_rate < miini_tx_rate)
miini_tx_rate = sta_tx_rate;
}
_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);
return miini_tx_rate;
}
u8 rtw_ap_find_bmc_rate(_adapter *adapter, u8 tx_rate)
{
PHAL_DATA_TYPE hal_data = GET_HAL_DATA(adapter);
u8 tx_ini_rate = ODM_RATE6M;
switch (tx_rate) {
case ODM_RATEVHTSS3MCS9:
case ODM_RATEVHTSS3MCS8:
case ODM_RATEVHTSS3MCS7:
case ODM_RATEVHTSS3MCS6:
case ODM_RATEVHTSS3MCS5:
case ODM_RATEVHTSS3MCS4:
case ODM_RATEVHTSS3MCS3:
case ODM_RATEVHTSS2MCS9:
case ODM_RATEVHTSS2MCS8:
case ODM_RATEVHTSS2MCS7:
case ODM_RATEVHTSS2MCS6:
case ODM_RATEVHTSS2MCS5:
case ODM_RATEVHTSS2MCS4:
case ODM_RATEVHTSS2MCS3:
case ODM_RATEVHTSS1MCS9:
case ODM_RATEVHTSS1MCS8:
case ODM_RATEVHTSS1MCS7:
case ODM_RATEVHTSS1MCS6:
case ODM_RATEVHTSS1MCS5:
case ODM_RATEVHTSS1MCS4:
case ODM_RATEVHTSS1MCS3:
case ODM_RATEMCS15:
case ODM_RATEMCS14:
case ODM_RATEMCS13:
case ODM_RATEMCS12:
case ODM_RATEMCS11:
case ODM_RATEMCS7:
case ODM_RATEMCS6:
case ODM_RATEMCS5:
case ODM_RATEMCS4:
case ODM_RATEMCS3:
case ODM_RATE54M:
case ODM_RATE48M:
case ODM_RATE36M:
case ODM_RATE24M:
tx_ini_rate = ODM_RATE24M;
break;
case ODM_RATEVHTSS3MCS2:
case ODM_RATEVHTSS3MCS1:
case ODM_RATEVHTSS2MCS2:
case ODM_RATEVHTSS2MCS1:
case ODM_RATEVHTSS1MCS2:
case ODM_RATEVHTSS1MCS1:
case ODM_RATEMCS10:
case ODM_RATEMCS9:
case ODM_RATEMCS2:
case ODM_RATEMCS1:
case ODM_RATE18M:
case ODM_RATE12M:
tx_ini_rate = ODM_RATE12M;
break;
case ODM_RATEVHTSS3MCS0:
case ODM_RATEVHTSS2MCS0:
case ODM_RATEVHTSS1MCS0:
case ODM_RATEMCS8:
case ODM_RATEMCS0:
case ODM_RATE9M:
case ODM_RATE6M:
tx_ini_rate = ODM_RATE6M;
break;
case ODM_RATE11M:
case ODM_RATE5_5M:
case ODM_RATE2M:
case ODM_RATE1M:
tx_ini_rate = ODM_RATE1M;
break;
default:
tx_ini_rate = ODM_RATE6M;
break;
}
if (hal_data->current_band_type == BAND_ON_5G)
if (tx_ini_rate < ODM_RATE6M)
tx_ini_rate = ODM_RATE6M;
return tx_ini_rate;
}
void rtw_update_bmc_sta_tx_rate(_adapter *adapter)
{
struct sta_info *psta = NULL;
u8 tx_rate;
psta = rtw_get_bcmc_stainfo(adapter);
if (psta == NULL) {
RTW_ERR(ADPT_FMT "could not get bmc_sta !!\n", ADPT_ARG(adapter));
return;
}
if (adapter->bmc_tx_rate != MGN_UNKNOWN) {
psta->init_rate = adapter->bmc_tx_rate;
goto _exit;
}
if (adapter->stapriv.asoc_sta_count <= 2)
goto _exit;
tx_rate = rtw_ap_find_mini_tx_rate(adapter);
#ifdef CONFIG_BMC_TX_LOW_RATE
tx_rate = rtw_ap_find_bmc_rate(adapter, tx_rate);
#endif
psta->init_rate = hw_rate_to_m_rate(tx_rate);
_exit:
RTW_INFO(ADPT_FMT" BMC Tx rate - %s\n", ADPT_ARG(adapter), MGN_RATE_STR(psta->init_rate));
}
#endif
void rtw_init_bmc_sta_tx_rate(_adapter *padapter, struct sta_info *psta)
{
#ifdef CONFIG_BMC_TX_LOW_RATE
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
#endif
u8 rate_idx = 0;
u8 brate_table[] = {MGN_1M, MGN_2M, MGN_5_5M, MGN_11M,
MGN_6M, MGN_9M, MGN_12M, MGN_18M, MGN_24M, MGN_36M, MGN_48M, MGN_54M};
if (!MLME_IS_AP(padapter) && !MLME_IS_MESH(padapter))
return;
if (padapter->bmc_tx_rate != MGN_UNKNOWN)
psta->init_rate = padapter->bmc_tx_rate;
else {
#ifdef CONFIG_BMC_TX_LOW_RATE
if (IsEnableHWOFDM(pmlmeext->cur_wireless_mode) && (psta->cmn.ra_info.ramask && 0xFF0))
rate_idx = get_lowest_rate_idx_ex(psta->cmn.ra_info.ramask, 4); /*from basic rate*/
else
rate_idx = get_lowest_rate_idx(psta->cmn.ra_info.ramask); /*from basic rate*/
#else
rate_idx = get_highest_rate_idx(psta->cmn.ra_info.ramask); /*from basic rate*/
#endif
if (rate_idx < 12)
psta->init_rate = brate_table[rate_idx];
else
psta->init_rate = MGN_1M;
}
RTW_INFO(ADPT_FMT" BMC Init Tx rate - %s\n", ADPT_ARG(padapter), MGN_RATE_STR(psta->init_rate));
}
void update_bmc_sta(_adapter *padapter)
{
_irqL irqL;
unsigned char network_type;
int supportRateNum = 0;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
WLAN_BSSID_EX *pcur_network = (WLAN_BSSID_EX *)&pmlmepriv->cur_network.network;
struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
if (psta) {
psta->cmn.aid = 0;/* default set to 0 */
#ifdef CONFIG_RTW_MESH
if (MLME_IS_MESH(padapter))
psta->qos_option = 1;
else
#endif
psta->qos_option = 0;
#ifdef CONFIG_80211N_HT
psta->htpriv.ht_option = _FALSE;
#endif /* CONFIG_80211N_HT */
psta->ieee8021x_blocked = 0;
_rtw_memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
/* psta->dot118021XPrivacy = _NO_PRIVACY_; */ /* !!! remove it, because it has been set before this. */