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rtw_sta_mgt.c
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/******************************************************************************
*
* Copyright(c) 2007 - 2019 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_STA_MGT_C_
#include <drv_types.h>
bool test_st_match_rule(_adapter *adapter, u8 *local_naddr, u8 *local_port, u8 *remote_naddr, u8 *remote_port)
{
if (ntohs(*((u16 *)local_port)) == 5001 || ntohs(*((u16 *)remote_port)) == 5001)
return _TRUE;
return _FALSE;
}
struct st_register test_st_reg = {
.s_proto = 0x06,
.rule = test_st_match_rule,
};
inline void rtw_st_ctl_init(struct st_ctl_t *st_ctl)
{
_rtw_memset(st_ctl->reg, 0 , sizeof(struct st_register) * SESSION_TRACKER_REG_ID_NUM);
_rtw_init_queue(&st_ctl->tracker_q);
}
inline void rtw_st_ctl_clear_tracker_q(struct st_ctl_t *st_ctl)
{
_irqL irqL;
_list *plist, *phead;
struct session_tracker *st;
_enter_critical_bh(&st_ctl->tracker_q.lock, &irqL);
phead = &st_ctl->tracker_q.queue;
plist = get_next(phead);
while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
st = LIST_CONTAINOR(plist, struct session_tracker, list);
plist = get_next(plist);
rtw_list_delete(&st->list);
rtw_mfree((u8 *)st, sizeof(struct session_tracker));
}
_exit_critical_bh(&st_ctl->tracker_q.lock, &irqL);
}
inline void rtw_st_ctl_deinit(struct st_ctl_t *st_ctl)
{
rtw_st_ctl_clear_tracker_q(st_ctl);
_rtw_deinit_queue(&st_ctl->tracker_q);
}
inline void rtw_st_ctl_register(struct st_ctl_t *st_ctl, u8 st_reg_id, struct st_register *reg)
{
if (st_reg_id >= SESSION_TRACKER_REG_ID_NUM) {
rtw_warn_on(1);
return;
}
st_ctl->reg[st_reg_id].s_proto = reg->s_proto;
st_ctl->reg[st_reg_id].rule = reg->rule;
}
inline void rtw_st_ctl_unregister(struct st_ctl_t *st_ctl, u8 st_reg_id)
{
int i;
if (st_reg_id >= SESSION_TRACKER_REG_ID_NUM) {
rtw_warn_on(1);
return;
}
st_ctl->reg[st_reg_id].s_proto = 0;
st_ctl->reg[st_reg_id].rule = NULL;
/* clear tracker queue if no session trecker registered */
for (i = 0; i < SESSION_TRACKER_REG_ID_NUM; i++)
if (st_ctl->reg[i].s_proto != 0)
break;
if (i >= SESSION_TRACKER_REG_ID_NUM)
rtw_st_ctl_clear_tracker_q(st_ctl);
}
inline bool rtw_st_ctl_chk_reg_s_proto(struct st_ctl_t *st_ctl, u8 s_proto)
{
bool ret = _FALSE;
int i;
for (i = 0; i < SESSION_TRACKER_REG_ID_NUM; i++) {
if (st_ctl->reg[i].s_proto == s_proto) {
ret = _TRUE;
break;
}
}
return ret;
}
inline bool rtw_st_ctl_chk_reg_rule(struct st_ctl_t *st_ctl, _adapter *adapter, u8 *local_naddr, u8 *local_port, u8 *remote_naddr, u8 *remote_port)
{
bool ret = _FALSE;
int i;
st_match_rule rule;
for (i = 0; i < SESSION_TRACKER_REG_ID_NUM; i++) {
rule = st_ctl->reg[i].rule;
if (rule && rule(adapter, local_naddr, local_port, remote_naddr, remote_port) == _TRUE) {
ret = _TRUE;
break;
}
}
return ret;
}
void rtw_st_ctl_rx(struct sta_info *sta, u8 *ehdr_pos)
{
_adapter *adapter = sta->padapter;
struct ethhdr *etherhdr = (struct ethhdr *)ehdr_pos;
if (ntohs(etherhdr->h_proto) == ETH_P_IP) {
u8 *ip = ehdr_pos + ETH_HLEN;
if (GET_IPV4_PROTOCOL(ip) == 0x06 /* TCP */
&& rtw_st_ctl_chk_reg_s_proto(&sta->st_ctl, 0x06) == _TRUE
) {
u8 *tcp = ip + GET_IPV4_IHL(ip) * 4;
if (rtw_st_ctl_chk_reg_rule(&sta->st_ctl, adapter, IPV4_DST(ip), TCP_DST(tcp), IPV4_SRC(ip), TCP_SRC(tcp)) == _TRUE) {
if (GET_TCP_SYN(tcp) && GET_TCP_ACK(tcp)) {
session_tracker_add_cmd(adapter, sta
, IPV4_DST(ip), TCP_DST(tcp)
, IPV4_SRC(ip), TCP_SRC(tcp));
if (DBG_SESSION_TRACKER)
RTW_INFO(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" SYN-ACK\n"
, FUNC_ADPT_ARG(adapter)
, IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp))
, IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp)));
}
if (GET_TCP_FIN(tcp)) {
session_tracker_del_cmd(adapter, sta
, IPV4_DST(ip), TCP_DST(tcp)
, IPV4_SRC(ip), TCP_SRC(tcp));
if (DBG_SESSION_TRACKER)
RTW_INFO(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" FIN\n"
, FUNC_ADPT_ARG(adapter)
, IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp))
, IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp)));
}
}
}
}
}
#define SESSION_TRACKER_FMT IP_FMT":"PORT_FMT" "IP_FMT":"PORT_FMT" %u %d"
#define SESSION_TRACKER_ARG(st) IP_ARG(&(st)->local_naddr), PORT_ARG(&(st)->local_port), IP_ARG(&(st)->remote_naddr), PORT_ARG(&(st)->remote_port), (st)->status, rtw_get_passing_time_ms((st)->set_time)
void dump_st_ctl(void *sel, struct st_ctl_t *st_ctl)
{
int i;
_irqL irqL;
_list *plist, *phead;
struct session_tracker *st;
if (!DBG_SESSION_TRACKER)
return;
for (i = 0; i < SESSION_TRACKER_REG_ID_NUM; i++)
RTW_PRINT_SEL(sel, "reg%d: %u %p\n", i, st_ctl->reg[i].s_proto, st_ctl->reg[i].rule);
_enter_critical_bh(&st_ctl->tracker_q.lock, &irqL);
phead = &st_ctl->tracker_q.queue;
plist = get_next(phead);
while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
st = LIST_CONTAINOR(plist, struct session_tracker, list);
plist = get_next(plist);
RTW_PRINT_SEL(sel, SESSION_TRACKER_FMT"\n", SESSION_TRACKER_ARG(st));
}
_exit_critical_bh(&st_ctl->tracker_q.lock, &irqL);
}
void _rtw_init_stainfo(struct sta_info *psta);
void _rtw_init_stainfo(struct sta_info *psta)
{
_rtw_memset((u8 *)psta, 0, sizeof(struct sta_info));
_rtw_spinlock_init(&psta->lock);
_rtw_init_listhead(&psta->list);
_rtw_init_listhead(&psta->hash_list);
/* _rtw_init_listhead(&psta->asoc_list); */
/* _rtw_init_listhead(&psta->sleep_list); */
/* _rtw_init_listhead(&psta->wakeup_list); */
_rtw_init_queue(&psta->sleep_q);
#ifdef CONFIG_RTW_MGMT_QUEUE
_rtw_init_queue(&psta->mgmt_sleep_q);
#endif
_rtw_init_sta_xmit_priv(&psta->sta_xmitpriv);
_rtw_init_sta_recv_priv(&psta->sta_recvpriv);
#ifdef CONFIG_AP_MODE
_rtw_init_listhead(&psta->asoc_list);
_rtw_init_listhead(&psta->auth_list);
psta->bpairwise_key_installed = _FALSE;
#ifdef CONFIG_RTW_80211R
psta->ft_pairwise_key_installed = _FALSE;
#endif
#endif /* CONFIG_AP_MODE */
rtw_st_ctl_init(&psta->st_ctl);
}
u32 _rtw_init_sta_priv(struct sta_priv *pstapriv)
{
_adapter *adapter = container_of(pstapriv, _adapter, stapriv);
struct macid_ctl_t *macid_ctl = adapter_to_macidctl(adapter);
struct sta_info *psta;
s32 i;
u32 ret = _FAIL;
pstapriv->padapter = adapter;
pstapriv->pallocated_stainfo_buf = rtw_zvmalloc(
sizeof(struct sta_info) * NUM_STA + MEM_ALIGNMENT_OFFSET);
if (!pstapriv->pallocated_stainfo_buf)
goto exit;
pstapriv->pstainfo_buf = pstapriv->pallocated_stainfo_buf;
if ((SIZE_PTR)pstapriv->pstainfo_buf & MEM_ALIGNMENT_PADDING)
pstapriv->pstainfo_buf += MEM_ALIGNMENT_OFFSET -
((SIZE_PTR)pstapriv->pstainfo_buf & MEM_ALIGNMENT_PADDING);
_rtw_init_queue(&pstapriv->free_sta_queue);
_rtw_spinlock_init(&pstapriv->sta_hash_lock);
/* _rtw_init_queue(&pstapriv->asoc_q); */
pstapriv->asoc_sta_count = 0;
_rtw_init_queue(&pstapriv->sleep_q);
_rtw_init_queue(&pstapriv->wakeup_q);
psta = (struct sta_info *)(pstapriv->pstainfo_buf);
for (i = 0; i < NUM_STA; i++) {
_rtw_init_stainfo(psta);
_rtw_init_listhead(&(pstapriv->sta_hash[i]));
rtw_list_insert_tail(&psta->list, get_list_head(&pstapriv->free_sta_queue));
psta++;
}
pstapriv->adhoc_expire_to = 4; /* 4 * 2 = 8 sec */
#ifdef CONFIG_AP_MODE
pstapriv->max_aid = macid_ctl->num;
pstapriv->rr_aid = 0;
pstapriv->started_aid = 1;
pstapriv->sta_aid = rtw_zmalloc(pstapriv->max_aid * sizeof(struct sta_info *));
if (!pstapriv->sta_aid)
goto exit;
pstapriv->aid_bmp_len = AID_BMP_LEN(pstapriv->max_aid);
pstapriv->sta_dz_bitmap = rtw_zmalloc(pstapriv->aid_bmp_len);
if (!pstapriv->sta_dz_bitmap)
goto exit;
pstapriv->tim_bitmap = rtw_zmalloc(pstapriv->aid_bmp_len);
if (!pstapriv->tim_bitmap)
goto exit;
_rtw_init_listhead(&pstapriv->asoc_list);
_rtw_init_listhead(&pstapriv->auth_list);
_rtw_spinlock_init(&pstapriv->asoc_list_lock);
_rtw_spinlock_init(&pstapriv->auth_list_lock);
pstapriv->asoc_list_cnt = 0;
pstapriv->auth_list_cnt = 0;
#ifdef CONFIG_RTW_TOKEN_BASED_XMIT
pstapriv->tbtx_asoc_list_cnt = 0;
#endif
pstapriv->auth_to = 3; /* 3*2 = 6 sec */
pstapriv->assoc_to = 3;
/* pstapriv->expire_to = 900; */ /* 900*2 = 1800 sec = 30 min, expire after no any traffic. */
/* pstapriv->expire_to = 30; */ /* 30*2 = 60 sec = 1 min, expire after no any traffic. */
#ifdef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
pstapriv->expire_to = 3; /* 3*2 = 6 sec */
#else
pstapriv->expire_to = 60;/* 60*2 = 120 sec = 2 min, expire after no any traffic. */
#endif
#ifdef CONFIG_ATMEL_RC_PATCH
_rtw_memset(pstapriv->atmel_rc_pattern, 0, ETH_ALEN);
#endif
pstapriv->max_num_sta = NUM_STA;
#if CONFIG_RTW_MACADDR_ACL
for (i = 0; i < RTW_ACL_PERIOD_NUM; i++)
rtw_macaddr_acl_init(adapter, i);
#endif
#endif /* CONFIG_AP_MODE */
#if CONFIG_RTW_PRE_LINK_STA
rtw_pre_link_sta_ctl_init(pstapriv);
#endif
#if defined(DBG_ROAMING_TEST) || defined(CONFIG_RTW_REPEATER_SON)
rtw_set_rx_chk_limit(adapter,1);
#elif defined(CONFIG_ACTIVE_KEEP_ALIVE_CHECK) && !defined(CONFIG_LPS_LCLK_WD_TIMER)
rtw_set_rx_chk_limit(adapter,4);
#else
rtw_set_rx_chk_limit(adapter,8);
#endif
ret = _SUCCESS;
exit:
if (ret != _SUCCESS) {
if (pstapriv->pallocated_stainfo_buf)
rtw_vmfree(pstapriv->pallocated_stainfo_buf,
sizeof(struct sta_info) * NUM_STA + MEM_ALIGNMENT_OFFSET);
#ifdef CONFIG_AP_MODE
if (pstapriv->sta_aid)
rtw_mfree(pstapriv->sta_aid, pstapriv->max_aid * sizeof(struct sta_info *));
if (pstapriv->sta_dz_bitmap)
rtw_mfree(pstapriv->sta_dz_bitmap, pstapriv->aid_bmp_len);
#endif
}
return ret;
}
inline int rtw_stainfo_offset(struct sta_priv *stapriv, struct sta_info *sta)
{
int offset = (((u8 *)sta) - stapriv->pstainfo_buf) / sizeof(struct sta_info);
if (!stainfo_offset_valid(offset))
RTW_INFO("%s invalid offset(%d), out of range!!!", __func__, offset);
return offset;
}
inline struct sta_info *rtw_get_stainfo_by_offset(struct sta_priv *stapriv, int offset)
{
if (!stainfo_offset_valid(offset))
RTW_INFO("%s invalid offset(%d), out of range!!!", __func__, offset);
return (struct sta_info *)(stapriv->pstainfo_buf + offset * sizeof(struct sta_info));
}
void _rtw_free_sta_xmit_priv_lock(struct sta_xmit_priv *psta_xmitpriv);
void _rtw_free_sta_xmit_priv_lock(struct sta_xmit_priv *psta_xmitpriv)
{
_rtw_spinlock_free(&psta_xmitpriv->lock);
_rtw_spinlock_free(&(psta_xmitpriv->be_q.sta_pending.lock));
_rtw_spinlock_free(&(psta_xmitpriv->bk_q.sta_pending.lock));
_rtw_spinlock_free(&(psta_xmitpriv->vi_q.sta_pending.lock));
_rtw_spinlock_free(&(psta_xmitpriv->vo_q.sta_pending.lock));
#ifdef CONFIG_RTW_MGMT_QUEUE
_rtw_spinlock_free(&(psta_xmitpriv->mgmt_q.sta_pending.lock));
#endif
}
static void _rtw_free_sta_recv_priv_lock(struct sta_recv_priv *psta_recvpriv)
{
_rtw_spinlock_free(&psta_recvpriv->lock);
_rtw_spinlock_free(&(psta_recvpriv->defrag_q.lock));
}
void rtw_mfree_stainfo(struct sta_info *psta);
void rtw_mfree_stainfo(struct sta_info *psta)
{
if (&(psta->lock) != NULL)
_rtw_spinlock_free(&psta->lock);
_rtw_free_sta_xmit_priv_lock(&psta->sta_xmitpriv);
_rtw_free_sta_recv_priv_lock(&psta->sta_recvpriv);
}
/* this function is used to free the memory of lock || sema for all stainfos */
void rtw_mfree_all_stainfo(struct sta_priv *pstapriv);
void rtw_mfree_all_stainfo(struct sta_priv *pstapriv)
{
_irqL irqL;
_list *plist, *phead;
struct sta_info *psta = NULL;
_enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
phead = get_list_head(&pstapriv->free_sta_queue);
plist = get_next(phead);
while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
psta = LIST_CONTAINOR(plist, struct sta_info , list);
plist = get_next(plist);
rtw_mfree_stainfo(psta);
}
_exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
}
void rtw_mfree_sta_priv_lock(struct sta_priv *pstapriv);
void rtw_mfree_sta_priv_lock(struct sta_priv *pstapriv)
{
rtw_mfree_all_stainfo(pstapriv); /* be done before free sta_hash_lock */
_rtw_spinlock_free(&pstapriv->free_sta_queue.lock);
_rtw_spinlock_free(&pstapriv->sta_hash_lock);
_rtw_spinlock_free(&pstapriv->wakeup_q.lock);
_rtw_spinlock_free(&pstapriv->sleep_q.lock);
#ifdef CONFIG_AP_MODE
_rtw_spinlock_free(&pstapriv->asoc_list_lock);
_rtw_spinlock_free(&pstapriv->auth_list_lock);
#endif
}
u32 _rtw_free_sta_priv(struct sta_priv *pstapriv)
{
_irqL irqL;
_list *phead, *plist;
struct sta_info *psta = NULL;
struct recv_reorder_ctrl *preorder_ctrl;
int index;
if (pstapriv) {
/* delete all reordering_ctrl_timer */
_enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
for (index = 0; index < NUM_STA; index++) {
phead = &(pstapriv->sta_hash[index]);
plist = get_next(phead);
while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
int i;
psta = LIST_CONTAINOR(plist, struct sta_info , hash_list);
plist = get_next(plist);
for (i = 0; i < 16 ; i++) {
preorder_ctrl = &psta->recvreorder_ctrl[i];
_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
}
}
}
_exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
/*===============================*/
rtw_mfree_sta_priv_lock(pstapriv);
#if CONFIG_RTW_MACADDR_ACL
for (index = 0; index < RTW_ACL_PERIOD_NUM; index++)
rtw_macaddr_acl_deinit(pstapriv->padapter, index);
#endif
#if CONFIG_RTW_PRE_LINK_STA
rtw_pre_link_sta_ctl_deinit(pstapriv);
#endif
if (pstapriv->pallocated_stainfo_buf)
rtw_vmfree(pstapriv->pallocated_stainfo_buf,
sizeof(struct sta_info) * NUM_STA + MEM_ALIGNMENT_OFFSET);
#ifdef CONFIG_AP_MODE
if (pstapriv->sta_aid)
rtw_mfree(pstapriv->sta_aid, pstapriv->max_aid * sizeof(struct sta_info *));
if (pstapriv->sta_dz_bitmap)
rtw_mfree(pstapriv->sta_dz_bitmap, pstapriv->aid_bmp_len);
if (pstapriv->tim_bitmap)
rtw_mfree(pstapriv->tim_bitmap, pstapriv->aid_bmp_len);
#endif
}
return _SUCCESS;
}
static void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl)
{
_adapter *padapter = preorder_ctrl->padapter;
#if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
rtw_init_timer(&(preorder_ctrl->reordering_ctrl_timer), padapter, rtw_reordering_ctrl_timeout_handler, preorder_ctrl);
#endif
}
/* struct sta_info *rtw_alloc_stainfo(_queue *pfree_sta_queue, unsigned char *hwaddr) */
struct sta_info *rtw_alloc_stainfo(struct sta_priv *pstapriv, const u8 *hwaddr)
{
_irqL irqL2;
s32 index;
_list *phash_list;
struct sta_info *psta;
_queue *pfree_sta_queue;
struct recv_reorder_ctrl *preorder_ctrl;
int i = 0;
u16 wRxSeqInitialValue = 0xffff;
pfree_sta_queue = &pstapriv->free_sta_queue;
/* _enter_critical_bh(&(pfree_sta_queue->lock), &irqL); */
_enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
if (_rtw_queue_empty(pfree_sta_queue) == _TRUE) {
/* _exit_critical_bh(&(pfree_sta_queue->lock), &irqL); */
/* _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); */
psta = NULL;
} else {
psta = LIST_CONTAINOR(get_next(&pfree_sta_queue->queue), struct sta_info, list);
rtw_list_delete(&(psta->list));
/* _exit_critical_bh(&(pfree_sta_queue->lock), &irqL); */
_rtw_init_stainfo(psta);
psta->padapter = pstapriv->padapter;
_rtw_memcpy(psta->cmn.mac_addr, hwaddr, ETH_ALEN);
index = wifi_mac_hash(hwaddr);
if (index >= NUM_STA) {
psta = NULL;
goto exit;
}
phash_list = &(pstapriv->sta_hash[index]);
/* _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); */
rtw_list_insert_tail(&psta->hash_list, phash_list);
pstapriv->asoc_sta_count++;
/* _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); */
/* Commented by Albert 2009/08/13
* For the SMC router, the sequence number of first packet of WPS handshake will be 0.
* In this case, this packet will be dropped by recv_decache function if we use the 0x00 as the default value for tid_rxseq variable.
* So, we initialize the tid_rxseq variable as the 0xffff. */
for (i = 0; i < 16; i++) {
_rtw_memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i], &wRxSeqInitialValue, 2);
_rtw_memcpy(&psta->sta_recvpriv.bmc_tid_rxseq[i], &wRxSeqInitialValue, 2);
_rtw_memset(&psta->sta_recvpriv.rxcache.iv[i], 0, sizeof(psta->sta_recvpriv.rxcache.iv[i]));
}
_rtw_memcpy(&psta->sta_recvpriv.nonqos_bmc_rxseq,&wRxSeqInitialValue,2);
_rtw_memcpy(&psta->sta_recvpriv.nonqos_rxseq,&wRxSeqInitialValue,2);
rtw_init_timer(&psta->addba_retry_timer, psta->padapter, addba_timer_hdl, psta);
#ifdef CONFIG_IEEE80211W
rtw_init_timer(&psta->dot11w_expire_timer, psta->padapter, sa_query_timer_hdl, psta);
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_TDLS
rtw_init_tdls_timer(pstapriv->padapter, psta);
#endif /* CONFIG_TDLS */
/* for A-MPDU Rx reordering buffer control */
for (i = 0; i < 16 ; i++) {
preorder_ctrl = &psta->recvreorder_ctrl[i];
preorder_ctrl->padapter = pstapriv->padapter;
preorder_ctrl->tid = i;
preorder_ctrl->enable = _FALSE;
preorder_ctrl->indicate_seq = 0xffff;
#ifdef DBG_RX_SEQ
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" tid:%u SN_CLEAR indicate_seq:%d\n"
, FUNC_ADPT_ARG(pstapriv->padapter), i, preorder_ctrl->indicate_seq);
#endif
preorder_ctrl->wend_b = 0xffff;
preorder_ctrl->wsize_b = 64;/* 64; */
preorder_ctrl->ampdu_size = RX_AMPDU_SIZE_INVALID;
_rtw_init_queue(&preorder_ctrl->pending_recvframe_queue);
rtw_init_recv_timer(preorder_ctrl);
rtw_clear_bit(RTW_RECV_ACK_OR_TIMEOUT, &preorder_ctrl->rec_abba_rsp_ack);
}
ATOMIC_SET(&psta->keytrack, 0);
/* init for DM */
psta->cmn.rssi_stat.rssi = (-1);
psta->cmn.rssi_stat.rssi_cck = (-1);
psta->cmn.rssi_stat.rssi_ofdm = (-1);
#ifdef CONFIG_ATMEL_RC_PATCH
psta->flag_atmel_rc = 0;
#endif
#ifdef CONFIG_RTW_TOKEN_BASED_XMIT
psta->tbtx_enable = _FALSE;
#endif
/* init for the sequence number of received management frame */
psta->RxMgmtFrameSeqNum = 0xffff;
_rtw_memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
rtw_alloc_macid(pstapriv->padapter, psta);
psta->tx_q_enable = 0;
_rtw_init_queue(&psta->tx_queue);
_init_workitem(&psta->tx_q_work, rtw_xmit_dequeue_callback, NULL);
}
exit:
_exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
if (psta)
rtw_mi_update_iface_status(&(pstapriv->padapter->mlmepriv), 0);
return psta;
}
/* using pstapriv->sta_hash_lock to protect */
u32 rtw_free_stainfo(_adapter *padapter , struct sta_info *psta)
{
int i;
_irqL irqL0;
_queue *pfree_sta_queue, *pdefrag_q = NULL;
struct recv_reorder_ctrl *preorder_ctrl;
struct sta_xmit_priv *pstaxmitpriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct sta_priv *pstapriv = &padapter->stapriv;
struct hw_xmit *phwxmit;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
int pending_qcnt[4];
u8 is_pre_link_sta = _FALSE;
_list *phead, *plist;
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
union recv_frame *prframe;
if (psta == NULL)
goto exit;
#ifdef CONFIG_RTW_80211K
rm_post_event(padapter, RM_ID_FOR_ALL(psta->cmn.aid), RM_EV_cancel);
#endif
is_pre_link_sta = rtw_is_pre_link_sta(pstapriv, psta->cmn.mac_addr);
if (is_pre_link_sta == _FALSE) {
_enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
rtw_list_delete(&psta->hash_list);
pstapriv->asoc_sta_count--;
_exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
rtw_mi_update_iface_status(&(padapter->mlmepriv), 0);
} else {
_enter_critical_bh(&psta->lock, &irqL0);
psta->state = WIFI_FW_PRE_LINK;
_exit_critical_bh(&psta->lock, &irqL0);
}
_enter_critical_bh(&psta->lock, &irqL0);
psta->state &= ~WIFI_ASOC_STATE;
_exit_critical_bh(&psta->lock, &irqL0);
pfree_sta_queue = &pstapriv->free_sta_queue;
pstaxmitpriv = &psta->sta_xmitpriv;
/* rtw_list_delete(&psta->sleep_list); */
/* rtw_list_delete(&psta->wakeup_list); */
rtw_free_xmitframe_queue(pxmitpriv, &psta->tx_queue);
_rtw_deinit_queue(&psta->tx_queue);
_enter_critical_bh(&pxmitpriv->lock, &irqL0);
rtw_free_xmitframe_queue(pxmitpriv, &psta->sleep_q);
psta->sleepq_len = 0;
#ifdef CONFIG_RTW_MGMT_QUEUE
rtw_free_mgmt_xmitframe_queue(pxmitpriv, &psta->mgmt_sleep_q);
psta->mgmt_sleepq_len = 0;
#endif
/* vo */
/* _enter_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0); */
rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending));
phwxmit = pxmitpriv->hwxmits;
phwxmit->accnt -= pstaxmitpriv->vo_q.qcnt;
pending_qcnt[0] = pstaxmitpriv->vo_q.qcnt;
pstaxmitpriv->vo_q.qcnt = 0;
/* _exit_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0); */
/* vi */
/* _enter_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0); */
rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending));
phwxmit = pxmitpriv->hwxmits + 1;
phwxmit->accnt -= pstaxmitpriv->vi_q.qcnt;
pending_qcnt[1] = pstaxmitpriv->vi_q.qcnt;
pstaxmitpriv->vi_q.qcnt = 0;
/* _exit_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0); */
/* be */
/* _enter_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0); */
rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
phwxmit = pxmitpriv->hwxmits + 2;
phwxmit->accnt -= pstaxmitpriv->be_q.qcnt;
pending_qcnt[2] = pstaxmitpriv->be_q.qcnt;
pstaxmitpriv->be_q.qcnt = 0;
/* _exit_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0); */
/* bk */
/* _enter_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0); */
rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending));
phwxmit = pxmitpriv->hwxmits + 3;
phwxmit->accnt -= pstaxmitpriv->bk_q.qcnt;
pending_qcnt[3] = pstaxmitpriv->bk_q.qcnt;
pstaxmitpriv->bk_q.qcnt = 0;
/* _exit_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0); */
#ifdef CONFIG_RTW_MGMT_QUEUE
/* mgmt */
rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->mgmt_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->mgmt_q.tx_pending));
phwxmit = pxmitpriv->hwxmits + 4;
phwxmit->accnt -= pstaxmitpriv->mgmt_q.qcnt;
pstaxmitpriv->mgmt_q.qcnt = 0;
#endif
rtw_os_wake_queue_at_free_stainfo(padapter, pending_qcnt);
_exit_critical_bh(&pxmitpriv->lock, &irqL0);
/* re-init sta_info; 20061114 */ /* will be init in alloc_stainfo */
/* _rtw_init_sta_xmit_priv(&psta->sta_xmitpriv); */
/* _rtw_init_sta_recv_priv(&psta->sta_recvpriv); */
#ifdef CONFIG_IEEE80211W
_cancel_timer_ex(&psta->dot11w_expire_timer);
#endif /* CONFIG_IEEE80211W */
_cancel_timer_ex(&psta->addba_retry_timer);
#ifdef CONFIG_TDLS
psta->tdls_sta_state = TDLS_STATE_NONE;
#endif /* CONFIG_TDLS */
/* for A-MPDU Rx reordering buffer control, cancel reordering_ctrl_timer */
for (i = 0; i < 16 ; i++) {
_irqL irqL;
_queue *ppending_recvframe_queue;
preorder_ctrl = &psta->recvreorder_ctrl[i];
rtw_clear_bit(RTW_RECV_ACK_OR_TIMEOUT, &preorder_ctrl->rec_abba_rsp_ack);
_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
_enter_critical_bh(&ppending_recvframe_queue->lock, &irqL);
phead = get_list_head(ppending_recvframe_queue);
plist = get_next(phead);
while (!rtw_is_list_empty(phead)) {
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
plist = get_next(plist);
rtw_list_delete(&(prframe->u.hdr.list));
rtw_free_recvframe(prframe, pfree_recv_queue);
}
_exit_critical_bh(&ppending_recvframe_queue->lock, &irqL);
}
/* CVE-2020-24586, clear defrag queue */
pdefrag_q = &psta->sta_recvpriv.defrag_q;
enter_critical_bh(&pdefrag_q->lock);
phead = get_list_head(pdefrag_q);
plist = get_next(phead);
while (!rtw_is_list_empty(phead)) {
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
plist = get_next(plist);
rtw_list_delete(&(prframe->u.hdr.list));
rtw_free_recvframe(prframe, pfree_recv_queue);
}
exit_critical_bh(&pdefrag_q->lock);
if (!((psta->state & WIFI_AP_STATE) || MacAddr_isBcst(psta->cmn.mac_addr)) && is_pre_link_sta == _FALSE)
rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, _FALSE);
/* release mac id for non-bc/mc station, */
if (is_pre_link_sta == _FALSE)
rtw_release_macid(pstapriv->padapter, psta);
#ifdef CONFIG_AP_MODE
/*
_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL0);
rtw_list_delete(&psta->asoc_list);
_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL0);
*/
_enter_critical_bh(&pstapriv->auth_list_lock, &irqL0);
if (!rtw_is_list_empty(&psta->auth_list)) {
rtw_list_delete(&psta->auth_list);
pstapriv->auth_list_cnt--;
}
_exit_critical_bh(&pstapriv->auth_list_lock, &irqL0);
psta->expire_to = 0;
#ifdef CONFIG_ATMEL_RC_PATCH
psta->flag_atmel_rc = 0;
#endif
psta->sleepq_ac_len = 0;
psta->qos_info = 0;
psta->max_sp_len = 0;
psta->uapsd_bk = 0;
psta->uapsd_be = 0;
psta->uapsd_vi = 0;
psta->uapsd_vo = 0;
psta->has_legacy_ac = 0;
#ifdef CONFIG_NATIVEAP_MLME
if (pmlmeinfo->state == _HW_STATE_AP_) {
rtw_tim_map_clear(padapter, pstapriv->sta_dz_bitmap, psta->cmn.aid);
rtw_tim_map_clear(padapter, pstapriv->tim_bitmap, psta->cmn.aid);
/* rtw_indicate_sta_disassoc_event(padapter, psta); */
if ((psta->cmn.aid > 0) && (pstapriv->sta_aid[psta->cmn.aid - 1] == psta)) {
pstapriv->sta_aid[psta->cmn.aid - 1] = NULL;
psta->cmn.aid = 0;
}
}
#endif /* CONFIG_NATIVEAP_MLME */
#if !defined(CONFIG_ACTIVE_KEEP_ALIVE_CHECK) && defined(CONFIG_80211N_HT)
psta->under_exist_checking = 0;
#endif
#endif /* CONFIG_AP_MODE */
rtw_st_ctl_deinit(&psta->st_ctl);
if (is_pre_link_sta == _FALSE) {
_rtw_spinlock_free(&psta->lock);
/* _enter_critical_bh(&(pfree_sta_queue->lock), &irqL0); */
_enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
rtw_list_insert_tail(&psta->list, get_list_head(pfree_sta_queue));
_exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
/* _exit_critical_bh(&(pfree_sta_queue->lock), &irqL0); */
}
exit:
return _SUCCESS;
}
/* free all stainfo which in sta_hash[all] */
void rtw_free_all_stainfo(_adapter *padapter)
{
_irqL irqL;
_list *plist, *phead;
s32 index;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct sta_info *pbcmc_stainfo = rtw_get_bcmc_stainfo(padapter);
u8 free_sta_num = 0;
char free_sta_list[NUM_STA];
int stainfo_offset;
if (pstapriv->asoc_sta_count == 1)
goto exit;
_enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
for (index = 0; index < NUM_STA; index++) {
phead = &(pstapriv->sta_hash[index]);
plist = get_next(phead);
while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
psta = LIST_CONTAINOR(plist, struct sta_info , hash_list);
plist = get_next(plist);
if (pbcmc_stainfo != psta) {
if (rtw_is_pre_link_sta(pstapriv, psta->cmn.mac_addr) == _FALSE)
rtw_list_delete(&psta->hash_list);
stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
if (stainfo_offset_valid(stainfo_offset))
free_sta_list[free_sta_num++] = stainfo_offset;
}
}
}
_exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
for (index = 0; index < free_sta_num; index++) {
psta = rtw_get_stainfo_by_offset(pstapriv, free_sta_list[index]);
rtw_free_stainfo(padapter , psta);
}
exit:
return;
}
/* any station allocated can be searched by hash list */
struct sta_info *rtw_get_stainfo(struct sta_priv *pstapriv, const u8 *hwaddr)
{
_irqL irqL;
_list *plist, *phead;
struct sta_info *psta = NULL;
u32 index;
const u8 *addr;
u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
if (hwaddr == NULL)
return NULL;
if (IS_MCAST(hwaddr))
addr = bc_addr;
else
addr = hwaddr;
index = wifi_mac_hash(addr);
_enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
phead = &(pstapriv->sta_hash[index]);
plist = get_next(phead);
while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
psta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
if ((_rtw_memcmp(psta->cmn.mac_addr, addr, ETH_ALEN)) == _TRUE) {
/* if found the matched address */
break;
}
psta = NULL;
plist = get_next(plist);
}
_exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
return psta;
}
u32 rtw_init_bcmc_stainfo(_adapter *padapter)
{
struct sta_info *psta;
struct tx_servq *ptxservq;
u32 res = _SUCCESS;
NDIS_802_11_MAC_ADDRESS bcast_addr = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};