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rtl8192eu-linux-driver/core/rtw_recv.c
CGarces 3d6c7de21a Updated to 4.4.1
2017-05-11 20:49:39 +02:00

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/******************************************************************************
*
* Copyright(c) 2007 - 2012 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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _RTW_RECV_C_
#include <drv_types.h>
#include <hal_data.h>
#if defined (PLATFORM_LINUX) && defined (PLATFORM_WINDOWS)
#error "Shall be Linux or Windows, but not both!\n"
#endif
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
void rtw_signal_stat_timer_hdl(RTW_TIMER_HDL_ARGS);
enum {
SIGNAL_STAT_CALC_PROFILE_0 = 0,
SIGNAL_STAT_CALC_PROFILE_1,
SIGNAL_STAT_CALC_PROFILE_MAX
};
u8 signal_stat_calc_profile[SIGNAL_STAT_CALC_PROFILE_MAX][2] = {
{4, 1}, /* Profile 0 => pre_stat : curr_stat = 4 : 1 */
{3, 7} /* Profile 1 => pre_stat : curr_stat = 3 : 7 */
};
#ifndef RTW_SIGNAL_STATE_CALC_PROFILE
#define RTW_SIGNAL_STATE_CALC_PROFILE SIGNAL_STAT_CALC_PROFILE_1
#endif
#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv)
{
_func_enter_;
_rtw_memset((u8 *)psta_recvpriv, 0, sizeof (struct sta_recv_priv));
_rtw_spinlock_init(&psta_recvpriv->lock);
//for(i=0; i<MAX_RX_NUMBLKS; i++)
// _rtw_init_queue(&psta_recvpriv->blk_strms[i]);
_rtw_init_queue(&psta_recvpriv->defrag_q);
_func_exit_;
}
sint _rtw_init_recv_priv(struct recv_priv *precvpriv, _adapter *padapter)
{
sint i;
union recv_frame *precvframe;
sint res=_SUCCESS;
_func_enter_;
// We don't need to memset padapter->XXX to zero, because adapter is allocated by rtw_zvmalloc().
//_rtw_memset((unsigned char *)precvpriv, 0, sizeof (struct recv_priv));
_rtw_spinlock_init(&precvpriv->lock);
_rtw_init_queue(&precvpriv->free_recv_queue);
_rtw_init_queue(&precvpriv->recv_pending_queue);
_rtw_init_queue(&precvpriv->uc_swdec_pending_queue);
precvpriv->adapter = padapter;
precvpriv->free_recvframe_cnt = NR_RECVFRAME;
precvpriv->sink_udpport = 0;
precvpriv->pre_rtp_rxseq = 0;
precvpriv->cur_rtp_rxseq = 0;
#ifdef DBG_RX_SIGNAL_DISPLAY_RAW_DATA
precvpriv->store_law_data_flag = 1;
#else
precvpriv->store_law_data_flag = 0;
#endif
rtw_os_recv_resource_init(precvpriv, padapter);
precvpriv->pallocated_frame_buf = rtw_zvmalloc(NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ);
if(precvpriv->pallocated_frame_buf==NULL){
res= _FAIL;
goto exit;
}
//_rtw_memset(precvpriv->pallocated_frame_buf, 0, NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ);
precvpriv->precv_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(precvpriv->pallocated_frame_buf), RXFRAME_ALIGN_SZ);
//precvpriv->precv_frame_buf = precvpriv->pallocated_frame_buf + RXFRAME_ALIGN_SZ -
// ((SIZE_PTR) (precvpriv->pallocated_frame_buf) &(RXFRAME_ALIGN_SZ-1));
precvframe = (union recv_frame*) precvpriv->precv_frame_buf;
for(i=0; i < NR_RECVFRAME ; i++)
{
_rtw_init_listhead(&(precvframe->u.list));
rtw_list_insert_tail(&(precvframe->u.list), &(precvpriv->free_recv_queue.queue));
res = rtw_os_recv_resource_alloc(padapter, precvframe);
precvframe->u.hdr.len = 0;
precvframe->u.hdr.adapter =padapter;
precvframe++;
}
#ifdef CONFIG_USB_HCI
ATOMIC_SET(&(precvpriv->rx_pending_cnt), 1);
_rtw_init_sema(&precvpriv->allrxreturnevt, 0);
#endif
res = rtw_hal_init_recv_priv(padapter);
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
rtw_init_timer(&precvpriv->signal_stat_timer, padapter, RTW_TIMER_HDL_NAME(signal_stat));
precvpriv->signal_stat_sampling_interval = 2000; //ms
//precvpriv->signal_stat_converging_constant = 5000; //ms
rtw_set_signal_stat_timer(precvpriv);
#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
exit:
_func_exit_;
return res;
}
void rtw_mfree_recv_priv_lock(struct recv_priv *precvpriv);
void rtw_mfree_recv_priv_lock(struct recv_priv *precvpriv)
{
_rtw_spinlock_free(&precvpriv->lock);
#ifdef CONFIG_RECV_THREAD_MODE
_rtw_free_sema(&precvpriv->recv_sema);
_rtw_free_sema(&precvpriv->terminate_recvthread_sema);
#endif
_rtw_spinlock_free(&precvpriv->free_recv_queue.lock);
_rtw_spinlock_free(&precvpriv->recv_pending_queue.lock);
_rtw_spinlock_free(&precvpriv->free_recv_buf_queue.lock);
#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
_rtw_spinlock_free(&precvpriv->recv_buf_pending_queue.lock);
#endif // CONFIG_USE_USB_BUFFER_ALLOC_RX
}
void _rtw_free_recv_priv (struct recv_priv *precvpriv)
{
_adapter *padapter = precvpriv->adapter;
_func_enter_;
rtw_free_uc_swdec_pending_queue(padapter);
rtw_mfree_recv_priv_lock(precvpriv);
rtw_os_recv_resource_free(precvpriv);
if(precvpriv->pallocated_frame_buf) {
rtw_vmfree(precvpriv->pallocated_frame_buf, NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ);
}
rtw_hal_free_recv_priv(padapter);
_func_exit_;
}
bool rtw_rframe_del_wfd_ie(union recv_frame *rframe, u8 ies_offset)
{
#define DBG_RFRAME_DEL_WFD_IE 0
u8 *ies = rframe->u.hdr.rx_data + sizeof(struct rtw_ieee80211_hdr_3addr) + ies_offset;
uint ies_len_ori = rframe->u.hdr.len - (ies - rframe->u.hdr.rx_data);
uint ies_len;
ies_len = rtw_del_wfd_ie(ies, ies_len_ori, DBG_RFRAME_DEL_WFD_IE ? __func__ : NULL);
rframe->u.hdr.len -= ies_len_ori - ies_len;
return ies_len_ori != ies_len;
}
union recv_frame *_rtw_alloc_recvframe (_queue *pfree_recv_queue)
{
union recv_frame *precvframe;
_list *plist, *phead;
_adapter *padapter;
struct recv_priv *precvpriv;
_func_enter_;
if(_rtw_queue_empty(pfree_recv_queue) == _TRUE)
{
precvframe = NULL;
}
else
{
phead = get_list_head(pfree_recv_queue);
plist = get_next(phead);
precvframe = LIST_CONTAINOR(plist, union recv_frame, u);
rtw_list_delete(&precvframe->u.hdr.list);
padapter=precvframe->u.hdr.adapter;
if(padapter !=NULL){
precvpriv=&padapter->recvpriv;
if(pfree_recv_queue == &precvpriv->free_recv_queue)
precvpriv->free_recvframe_cnt--;
}
}
_func_exit_;
return precvframe;
}
union recv_frame *rtw_alloc_recvframe (_queue *pfree_recv_queue)
{
_irqL irqL;
union recv_frame *precvframe;
_enter_critical_bh(&pfree_recv_queue->lock, &irqL);
precvframe = _rtw_alloc_recvframe(pfree_recv_queue);
_exit_critical_bh(&pfree_recv_queue->lock, &irqL);
return precvframe;
}
void rtw_init_recvframe(union recv_frame *precvframe, struct recv_priv *precvpriv)
{
/* Perry: This can be removed */
_rtw_init_listhead(&precvframe->u.hdr.list);
precvframe->u.hdr.len=0;
}
int rtw_free_recvframe(union recv_frame *precvframe, _queue *pfree_recv_queue)
{
_irqL irqL;
_adapter *padapter=precvframe->u.hdr.adapter;
struct recv_priv *precvpriv = &padapter->recvpriv;
_func_enter_;
#ifdef CONFIG_CONCURRENT_MODE
if(padapter->adapter_type > PRIMARY_ADAPTER)
{
padapter = padapter->pbuddy_adapter;//get primary_padapter
precvpriv = &padapter->recvpriv;
pfree_recv_queue = &precvpriv->free_recv_queue;
precvframe->u.hdr.adapter = padapter;
}
#endif
rtw_os_free_recvframe(precvframe);
_enter_critical_bh(&pfree_recv_queue->lock, &irqL);
rtw_list_delete(&(precvframe->u.hdr.list));
precvframe->u.hdr.len = 0;
rtw_list_insert_tail(&(precvframe->u.hdr.list), get_list_head(pfree_recv_queue));
if(padapter !=NULL){
if(pfree_recv_queue == &precvpriv->free_recv_queue)
precvpriv->free_recvframe_cnt++;
}
_exit_critical_bh(&pfree_recv_queue->lock, &irqL);
_func_exit_;
return _SUCCESS;
}
sint _rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue)
{
_adapter *padapter=precvframe->u.hdr.adapter;
struct recv_priv *precvpriv = &padapter->recvpriv;
_func_enter_;
//_rtw_init_listhead(&(precvframe->u.hdr.list));
rtw_list_delete(&(precvframe->u.hdr.list));
rtw_list_insert_tail(&(precvframe->u.hdr.list), get_list_head(queue));
if (padapter != NULL) {
if (queue == &precvpriv->free_recv_queue)
precvpriv->free_recvframe_cnt++;
}
_func_exit_;
return _SUCCESS;
}
sint rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue)
{
sint ret;
_irqL irqL;
//_spinlock(&pfree_recv_queue->lock);
_enter_critical_bh(&queue->lock, &irqL);
ret = _rtw_enqueue_recvframe(precvframe, queue);
//_rtw_spinunlock(&pfree_recv_queue->lock);
_exit_critical_bh(&queue->lock, &irqL);
return ret;
}
/*
sint rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue)
{
return rtw_free_recvframe(precvframe, queue);
}
*/
/*
caller : defrag ; recvframe_chk_defrag in recv_thread (passive)
pframequeue: defrag_queue : will be accessed in recv_thread (passive)
using spinlock to protect
*/
void rtw_free_recvframe_queue(_queue *pframequeue, _queue *pfree_recv_queue)
{
union recv_frame *precvframe;
_list *plist, *phead;
_func_enter_;
_rtw_spinlock(&pframequeue->lock);
phead = get_list_head(pframequeue);
plist = get_next(phead);
while(rtw_end_of_queue_search(phead, plist) == _FALSE)
{
precvframe = LIST_CONTAINOR(plist, union recv_frame, u);
plist = get_next(plist);
//rtw_list_delete(&precvframe->u.hdr.list); // will do this in rtw_free_recvframe()
rtw_free_recvframe(precvframe, pfree_recv_queue);
}
_rtw_spinunlock(&pframequeue->lock);
_func_exit_;
}
u32 rtw_free_uc_swdec_pending_queue(_adapter *adapter)
{
u32 cnt = 0;
union recv_frame *pending_frame;
while((pending_frame=rtw_alloc_recvframe(&adapter->recvpriv.uc_swdec_pending_queue))) {
rtw_free_recvframe(pending_frame, &adapter->recvpriv.free_recv_queue);
cnt++;
}
if (cnt)
DBG_871X(FUNC_ADPT_FMT" dequeue %d\n", FUNC_ADPT_ARG(adapter), cnt);
return cnt;
}
sint rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, _queue *queue)
{
_irqL irqL;
_enter_critical_bh(&queue->lock, &irqL);
rtw_list_delete(&precvbuf->list);
rtw_list_insert_head(&precvbuf->list, get_list_head(queue));
_exit_critical_bh(&queue->lock, &irqL);
return _SUCCESS;
}
sint rtw_enqueue_recvbuf(struct recv_buf *precvbuf, _queue *queue)
{
_irqL irqL;
#ifdef CONFIG_SDIO_HCI
_enter_critical_bh(&queue->lock, &irqL);
#else
_enter_critical_ex(&queue->lock, &irqL);
#endif/*#ifdef CONFIG_SDIO_HCI*/
rtw_list_delete(&precvbuf->list);
rtw_list_insert_tail(&precvbuf->list, get_list_head(queue));
#ifdef CONFIG_SDIO_HCI
_exit_critical_bh(&queue->lock, &irqL);
#else
_exit_critical_ex(&queue->lock, &irqL);
#endif/*#ifdef CONFIG_SDIO_HCI*/
return _SUCCESS;
}
struct recv_buf *rtw_dequeue_recvbuf (_queue *queue)
{
_irqL irqL;
struct recv_buf *precvbuf;
_list *plist, *phead;
#ifdef CONFIG_SDIO_HCI
_enter_critical_bh(&queue->lock, &irqL);
#else
_enter_critical_ex(&queue->lock, &irqL);
#endif/*#ifdef CONFIG_SDIO_HCI*/
if(_rtw_queue_empty(queue) == _TRUE)
{
precvbuf = NULL;
}
else
{
phead = get_list_head(queue);
plist = get_next(phead);
precvbuf = LIST_CONTAINOR(plist, struct recv_buf, list);
rtw_list_delete(&precvbuf->list);
}
#ifdef CONFIG_SDIO_HCI
_exit_critical_bh(&queue->lock, &irqL);
#else
_exit_critical_ex(&queue->lock, &irqL);
#endif/*#ifdef CONFIG_SDIO_HCI*/
return precvbuf;
}
sint recvframe_chkmic(_adapter *adapter, union recv_frame *precvframe);
sint recvframe_chkmic(_adapter *adapter, union recv_frame *precvframe){
sint i,res=_SUCCESS;
u32 datalen;
u8 miccode[8];
u8 bmic_err=_FALSE,brpt_micerror = _TRUE;
u8 *pframe, *payload,*pframemic;
u8 *mickey;
//u8 *iv,rxdata_key_idx=0;
struct sta_info *stainfo;
struct rx_pkt_attrib *prxattrib=&precvframe->u.hdr.attrib;
struct security_priv *psecuritypriv=&adapter->securitypriv;
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
_func_enter_;
stainfo=rtw_get_stainfo(&adapter->stapriv ,&prxattrib->ta[0]);
if(prxattrib->encrypt ==_TKIP_)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("\n recvframe_chkmic:prxattrib->encrypt ==_TKIP_\n"));
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("\n recvframe_chkmic:da=0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x\n",
prxattrib->ra[0],prxattrib->ra[1],prxattrib->ra[2],prxattrib->ra[3],prxattrib->ra[4],prxattrib->ra[5]));
//calculate mic code
if(stainfo!= NULL)
{
if(IS_MCAST(prxattrib->ra))
{
//mickey=&psecuritypriv->dot118021XGrprxmickey.skey[0];
//iv = precvframe->u.hdr.rx_data+prxattrib->hdrlen;
//rxdata_key_idx =( ((iv[3])>>6)&0x3) ;
mickey=&psecuritypriv->dot118021XGrprxmickey[prxattrib->key_index].skey[0];
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("\n recvframe_chkmic: bcmc key \n"));
//DBG_871X("\n recvframe_chkmic: bcmc key psecuritypriv->dot118021XGrpKeyid(%d),pmlmeinfo->key_index(%d) ,recv key_id(%d)\n",
// psecuritypriv->dot118021XGrpKeyid,pmlmeinfo->key_index,rxdata_key_idx);
if(psecuritypriv->binstallGrpkey==_FALSE)
{
res=_FAIL;
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("\n recvframe_chkmic:didn't install group key!!!!!!!!!!\n"));
DBG_871X("\n recvframe_chkmic:didn't install group key!!!!!!!!!!\n");
goto exit;
}
}
else{
mickey=&stainfo->dot11tkiprxmickey.skey[0];
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("\n recvframe_chkmic: unicast key \n"));
}
datalen=precvframe->u.hdr.len-prxattrib->hdrlen-prxattrib->iv_len-prxattrib->icv_len-8;//icv_len included the mic code
pframe=precvframe->u.hdr.rx_data;
payload=pframe+prxattrib->hdrlen+prxattrib->iv_len;
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("\n prxattrib->iv_len=%d prxattrib->icv_len=%d\n",prxattrib->iv_len,prxattrib->icv_len));
//rtw_seccalctkipmic(&stainfo->dot11tkiprxmickey.skey[0],pframe,payload, datalen ,&miccode[0],(unsigned char)prxattrib->priority); //care the length of the data
rtw_seccalctkipmic(mickey,pframe,payload, datalen ,&miccode[0],(unsigned char)prxattrib->priority); //care the length of the data
pframemic=payload+datalen;
bmic_err=_FALSE;
for(i=0;i<8;i++){
if(miccode[i] != *(pframemic+i)){
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvframe_chkmic:miccode[%d](%02x) != *(pframemic+%d)(%02x) ",i,miccode[i],i,*(pframemic+i)));
bmic_err=_TRUE;
}
}
if(bmic_err==_TRUE){
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("\n *(pframemic-8)-*(pframemic-1)=0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x\n",
*(pframemic-8),*(pframemic-7),*(pframemic-6),*(pframemic-5),*(pframemic-4),*(pframemic-3),*(pframemic-2),*(pframemic-1)));
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("\n *(pframemic-16)-*(pframemic-9)=0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x\n",
*(pframemic-16),*(pframemic-15),*(pframemic-14),*(pframemic-13),*(pframemic-12),*(pframemic-11),*(pframemic-10),*(pframemic-9)));
{
uint i;
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("\n ======demp packet (len=%d)======\n",precvframe->u.hdr.len));
for(i=0;i<precvframe->u.hdr.len;i=i+8){
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x",
*(precvframe->u.hdr.rx_data+i),*(precvframe->u.hdr.rx_data+i+1),
*(precvframe->u.hdr.rx_data+i+2),*(precvframe->u.hdr.rx_data+i+3),
*(precvframe->u.hdr.rx_data+i+4),*(precvframe->u.hdr.rx_data+i+5),
*(precvframe->u.hdr.rx_data+i+6),*(precvframe->u.hdr.rx_data+i+7)));
}
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("\n ======demp packet end [len=%d]======\n",precvframe->u.hdr.len));
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("\n hrdlen=%d, \n",prxattrib->hdrlen));
}
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("ra=0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x psecuritypriv->binstallGrpkey=%d ",
prxattrib->ra[0],prxattrib->ra[1],prxattrib->ra[2],
prxattrib->ra[3],prxattrib->ra[4],prxattrib->ra[5],psecuritypriv->binstallGrpkey));
// double check key_index for some timing issue ,
// cannot compare with psecuritypriv->dot118021XGrpKeyid also cause timing issue
if((IS_MCAST(prxattrib->ra)==_TRUE) && (prxattrib->key_index != pmlmeinfo->key_index ))
brpt_micerror = _FALSE;
if((prxattrib->bdecrypted ==_TRUE)&& (brpt_micerror == _TRUE))
{
rtw_handle_tkip_mic_err(adapter, stainfo, (u8)IS_MCAST(prxattrib->ra));
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,(" mic error :prxattrib->bdecrypted=%d ",prxattrib->bdecrypted));
DBG_871X(" mic error :prxattrib->bdecrypted=%d\n",prxattrib->bdecrypted);
}
else
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,(" mic error :prxattrib->bdecrypted=%d ",prxattrib->bdecrypted));
DBG_871X(" mic error :prxattrib->bdecrypted=%d\n",prxattrib->bdecrypted);
}
res=_FAIL;
}
else{
//mic checked ok
if((psecuritypriv->bcheck_grpkey ==_FALSE)&&(IS_MCAST(prxattrib->ra)==_TRUE)){
psecuritypriv->bcheck_grpkey =_TRUE;
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("psecuritypriv->bcheck_grpkey =_TRUE"));
}
}
}
else
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvframe_chkmic: rtw_get_stainfo==NULL!!!\n"));
}
recvframe_pull_tail(precvframe, 8);
}
exit:
_func_exit_;
return res;
}
//decrypt and set the ivlen,icvlen of the recv_frame
union recv_frame * decryptor(_adapter *padapter,union recv_frame *precv_frame);
union recv_frame * decryptor(_adapter *padapter,union recv_frame *precv_frame)
{
struct rx_pkt_attrib *prxattrib = &precv_frame->u.hdr.attrib;
struct security_priv *psecuritypriv=&padapter->securitypriv;
union recv_frame *return_packet=precv_frame;
u32 res=_SUCCESS;
_func_enter_;
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt);
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("prxstat->decrypted=%x prxattrib->encrypt = 0x%03x\n",prxattrib->bdecrypted,prxattrib->encrypt));
if(prxattrib->encrypt>0)
{
u8 *iv = precv_frame->u.hdr.rx_data+prxattrib->hdrlen;
prxattrib->key_index = ( ((iv[3])>>6)&0x3) ;
if(prxattrib->key_index > WEP_KEYS)
{
DBG_871X("prxattrib->key_index(%d) > WEP_KEYS \n", prxattrib->key_index);
switch(prxattrib->encrypt){
case _WEP40_:
case _WEP104_:
prxattrib->key_index = psecuritypriv->dot11PrivacyKeyIndex;
break;
case _TKIP_:
case _AES_:
default:
prxattrib->key_index = psecuritypriv->dot118021XGrpKeyid;
break;
}
}
}
if((prxattrib->encrypt>0) && ((prxattrib->bdecrypted==0) ||(psecuritypriv->sw_decrypt==_TRUE)))
{
#ifdef CONFIG_CONCURRENT_MODE
if(!IS_MCAST(prxattrib->ra))//bc/mc packets use sw decryption for concurrent mode
#endif
psecuritypriv->hw_decrypted=_FALSE;
#ifdef DBG_RX_DECRYPTOR
DBG_871X("[%s] %d:prxstat->bdecrypted:%d, prxattrib->encrypt:%d, Setting psecuritypriv->hw_decrypted = %d\n",
__FUNCTION__,
__LINE__,
prxattrib->bdecrypted,
prxattrib->encrypt,
psecuritypriv->hw_decrypted);
#endif
switch(prxattrib->encrypt){
case _WEP40_:
case _WEP104_:
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_wep);
rtw_wep_decrypt(padapter, (u8 *)precv_frame);
break;
case _TKIP_:
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_tkip);
res = rtw_tkip_decrypt(padapter, (u8 *)precv_frame);
break;
case _AES_:
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_aes);
res = rtw_aes_decrypt(padapter, (u8 * )precv_frame);
break;
#ifdef CONFIG_WAPI_SUPPORT
case _SMS4_:
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_wapi);
rtw_sms4_decrypt(padapter, (u8 * )precv_frame);
break;
#endif
default:
break;
}
}
else if(prxattrib->bdecrypted==1
&& prxattrib->encrypt >0
&& (psecuritypriv->busetkipkey==1 || prxattrib->encrypt !=_TKIP_ )
)
{
#if 0
if((prxstat->icv==1)&&(prxattrib->encrypt!=_AES_))
{
psecuritypriv->hw_decrypted=_FALSE;
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("psecuritypriv->hw_decrypted=_FALSE"));
rtw_free_recvframe(precv_frame, &padapter->recvpriv.free_recv_queue);
return_packet=NULL;
}
else
#endif
{
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_hw);
psecuritypriv->hw_decrypted=_TRUE;
#ifdef DBG_RX_DECRYPTOR
DBG_871X("[%s] %d:prxstat->bdecrypted:%d, prxattrib->encrypt:%d, Setting psecuritypriv->hw_decrypted = %d\n",
__FUNCTION__,
__LINE__,
prxattrib->bdecrypted,
prxattrib->encrypt,
psecuritypriv->hw_decrypted);
#endif
}
}
else {
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_unknown);
#ifdef DBG_RX_DECRYPTOR
DBG_871X("[%s] %d:prxstat->bdecrypted:%d, prxattrib->encrypt:%d, Setting psecuritypriv->hw_decrypted = %d\n",
__FUNCTION__,
__LINE__,
prxattrib->bdecrypted,
prxattrib->encrypt,
psecuritypriv->hw_decrypted);
#endif
}
if(res == _FAIL)
{
rtw_free_recvframe(return_packet,&padapter->recvpriv.free_recv_queue);
return_packet = NULL;
}
else
{
prxattrib->bdecrypted = _TRUE;
}
//recvframe_chkmic(adapter, precv_frame); //move to recvframme_defrag function
_func_exit_;
return return_packet;
}
//###set the security information in the recv_frame
union recv_frame * portctrl(_adapter *adapter,union recv_frame * precv_frame);
union recv_frame * portctrl(_adapter *adapter,union recv_frame * precv_frame)
{
u8 *psta_addr = NULL;
u8 *ptr;
uint auth_alg;
struct recv_frame_hdr *pfhdr;
struct sta_info *psta;
struct sta_priv *pstapriv ;
union recv_frame *prtnframe;
u16 ether_type=0;
u16 eapol_type = 0x888e;//for Funia BD's WPA issue
struct rx_pkt_attrib *pattrib;
_func_enter_;
pstapriv = &adapter->stapriv;
auth_alg = adapter->securitypriv.dot11AuthAlgrthm;
ptr = get_recvframe_data(precv_frame);
pfhdr = &precv_frame->u.hdr;
pattrib = &pfhdr->attrib;
psta_addr = pattrib->ta;
prtnframe = NULL;
psta = rtw_get_stainfo(pstapriv, psta_addr);
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("########portctrl:adapter->securitypriv.dot11AuthAlgrthm=%d\n",adapter->securitypriv.dot11AuthAlgrthm));
if(auth_alg==2)
{
if ((psta!=NULL) && (psta->ieee8021x_blocked))
{
//blocked
//only accept EAPOL frame
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("########portctrl:psta->ieee8021x_blocked==1\n"));
prtnframe=precv_frame;
//get ether_type
ptr=ptr+pfhdr->attrib.hdrlen+pfhdr->attrib.iv_len+LLC_HEADER_SIZE;
_rtw_memcpy(&ether_type,ptr, 2);
ether_type= ntohs((unsigned short )ether_type);
if (ether_type == eapol_type) {
prtnframe=precv_frame;
}
else {
//free this frame
rtw_free_recvframe(precv_frame, &adapter->recvpriv.free_recv_queue);
prtnframe=NULL;
}
}
else
{
//allowed
//check decryption status, and decrypt the frame if needed
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("########portctrl:psta->ieee8021x_blocked==0\n"));
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("portctrl:precv_frame->hdr.attrib.privacy=%x\n",precv_frame->u.hdr.attrib.privacy));
if (pattrib->bdecrypted == 0)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("portctrl:prxstat->decrypted=%x\n", pattrib->bdecrypted));
}
prtnframe=precv_frame;
//check is the EAPOL frame or not (Rekey)
//if(ether_type == eapol_type){
// RT_TRACE(_module_rtl871x_recv_c_,_drv_notice_,("########portctrl:ether_type == 0x888e\n"));
//check Rekey
// prtnframe=precv_frame;
//}
//else{
// RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("########portctrl:ether_type=0x%04x\n", ether_type));
//}
}
}
else
{
prtnframe=precv_frame;
}
_func_exit_;
return prtnframe;
}
sint recv_decache(union recv_frame *precv_frame, u8 bretry, struct stainfo_rxcache *prxcache);
sint recv_decache(union recv_frame *precv_frame, u8 bretry, struct stainfo_rxcache *prxcache)
{
sint tid = precv_frame->u.hdr.attrib.priority;
u16 seq_ctrl = ( (precv_frame->u.hdr.attrib.seq_num&0xffff) << 4) |
(precv_frame->u.hdr.attrib.frag_num & 0xf);
_func_enter_;
if(tid>15)
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_, ("recv_decache, (tid>15)! seq_ctrl=0x%x, tid=0x%x\n", seq_ctrl, tid));
return _FAIL;
}
if(1)//if(bretry)
{
if(seq_ctrl == prxcache->tid_rxseq[tid])
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_, ("recv_decache, seq_ctrl=0x%x, tid=0x%x, tid_rxseq=0x%x\n", seq_ctrl, tid, prxcache->tid_rxseq[tid]));
return _FAIL;
}
}
prxcache->tid_rxseq[tid] = seq_ctrl;
_func_exit_;
return _SUCCESS;
}
void process_pwrbit_data(_adapter *padapter, union recv_frame *precv_frame);
void process_pwrbit_data(_adapter *padapter, union recv_frame *precv_frame)
{
#ifdef CONFIG_AP_MODE
unsigned char pwrbit;
u8 *ptr = precv_frame->u.hdr.rx_data;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &padapter->stapriv;
struct sta_info *psta=NULL;
psta = rtw_get_stainfo(pstapriv, pattrib->src);
pwrbit = GetPwrMgt(ptr);
if(psta)
{
if(pwrbit)
{
if(!(psta->state & WIFI_SLEEP_STATE))
{
//psta->state |= WIFI_SLEEP_STATE;
//pstapriv->sta_dz_bitmap |= BIT(psta->aid);
stop_sta_xmit(padapter, psta);
//DBG_871X("to sleep, sta_dz_bitmap=%x\n", pstapriv->sta_dz_bitmap);
}
}
else
{
if(psta->state & WIFI_SLEEP_STATE)
{
//psta->state ^= WIFI_SLEEP_STATE;
//pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
wakeup_sta_to_xmit(padapter, psta);
//DBG_871X("to wakeup, sta_dz_bitmap=%x\n", pstapriv->sta_dz_bitmap);
}
}
}
#endif
}
void process_wmmps_data(_adapter *padapter, union recv_frame *precv_frame);
void process_wmmps_data(_adapter *padapter, union recv_frame *precv_frame)
{
#ifdef CONFIG_AP_MODE
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &padapter->stapriv;
struct sta_info *psta=NULL;
psta = rtw_get_stainfo(pstapriv, pattrib->src);
if(!psta) return;
#ifdef CONFIG_TDLS
if( !(psta->tdls_sta_state & TDLS_LINKED_STATE ) )
{
#endif //CONFIG_TDLS
if(!psta->qos_option)
return;
if(!(psta->qos_info&0xf))
return;
#ifdef CONFIG_TDLS
}
#endif //CONFIG_TDLS
if(psta->state&WIFI_SLEEP_STATE)
{
u8 wmmps_ac=0;
switch(pattrib->priority)
{
case 1:
case 2:
wmmps_ac = psta->uapsd_bk&BIT(1);
break;
case 4:
case 5:
wmmps_ac = psta->uapsd_vi&BIT(1);
break;
case 6:
case 7:
wmmps_ac = psta->uapsd_vo&BIT(1);
break;
case 0:
case 3:
default:
wmmps_ac = psta->uapsd_be&BIT(1);
break;
}
if(wmmps_ac)
{
if(psta->sleepq_ac_len>0)
{
//process received triggered frame
xmit_delivery_enabled_frames(padapter, psta);
}
else
{
//issue one qos null frame with More data bit = 0 and the EOSP bit set (=1)
issue_qos_nulldata(padapter, psta->hwaddr, (u16)pattrib->priority, 0, 0);
}
}
}
#endif
}
#ifdef CONFIG_TDLS
sint OnTDLS(_adapter *adapter, union recv_frame *precv_frame)
{
struct rx_pkt_attrib *pattrib = & precv_frame->u.hdr.attrib;
sint ret = _SUCCESS;
u8 *paction = get_recvframe_data(precv_frame);
u8 category_field = 1;
#ifdef CONFIG_WFD
u8 WFA_OUI[3] = { 0x50, 0x6f, 0x9a };
#endif /* CONFIG_WFD */
struct tdls_info *ptdlsinfo = &(adapter->tdlsinfo);
/* point to action field */
paction+=pattrib->hdrlen
+ pattrib->iv_len
+ SNAP_SIZE
+ ETH_TYPE_LEN
+ PAYLOAD_TYPE_LEN
+ category_field;
DBG_871X("[TDLS] Recv %s from "MAC_FMT" with SeqNum = %d\n", rtw_tdls_action_txt(*paction), MAC_ARG(pattrib->src), GetSequence(get_recvframe_data(precv_frame)));
if (hal_chk_wl_func(adapter, WL_FUNC_TDLS) == _FALSE) {
DBG_871X("Ignore tdls frame since hal doesn't support tdls\n");
ret = _FAIL;
return ret;
}
if (ptdlsinfo->tdls_enable == _FALSE) {
DBG_871X("recv tdls frame, "
"but tdls haven't enabled\n");
ret = _FAIL;
return ret;
}
switch(*paction){
case TDLS_SETUP_REQUEST:
ret=On_TDLS_Setup_Req(adapter, precv_frame);
break;
case TDLS_SETUP_RESPONSE:
ret=On_TDLS_Setup_Rsp(adapter, precv_frame);
break;
case TDLS_SETUP_CONFIRM:
ret=On_TDLS_Setup_Cfm(adapter, precv_frame);
break;
case TDLS_TEARDOWN:
ret=On_TDLS_Teardown(adapter, precv_frame);
break;
case TDLS_DISCOVERY_REQUEST:
ret=On_TDLS_Dis_Req(adapter, precv_frame);
break;
case TDLS_PEER_TRAFFIC_INDICATION:
ret=On_TDLS_Peer_Traffic_Indication(adapter, precv_frame);
break;
case TDLS_PEER_TRAFFIC_RESPONSE:
ret=On_TDLS_Peer_Traffic_Rsp(adapter, precv_frame);
break;
#ifdef CONFIG_TDLS_CH_SW
case TDLS_CHANNEL_SWITCH_REQUEST:
ret=On_TDLS_Ch_Switch_Req(adapter, precv_frame);
break;
case TDLS_CHANNEL_SWITCH_RESPONSE:
ret=On_TDLS_Ch_Switch_Rsp(adapter, precv_frame);
break;
#endif
#ifdef CONFIG_WFD
/* First byte of WFA OUI */
case 0x50:
if (_rtw_memcmp(WFA_OUI, paction, 3)) {
/* Probe request frame */
if (*(paction + 3) == 0x04) {
/* WFDTDLS: for sigma test, do not setup direct link automatically */
ptdlsinfo->dev_discovered = _TRUE;
DBG_871X("recv tunneled probe request frame\n");
issue_tunneled_probe_rsp(adapter, precv_frame);
}
/* Probe response frame */
if (*(paction + 3) == 0x05) {
/* WFDTDLS: for sigma test, do not setup direct link automatically */
ptdlsinfo->dev_discovered = _TRUE;
DBG_871X("recv tunneled probe response frame\n");
}
}
break;
#endif /* CONFIG_WFD */
default:
DBG_871X("receive TDLS frame %d but not support\n", *paction);
ret=_FAIL;
break;
}
exit:
return ret;
}
#endif /* CONFIG_TDLS */
void count_rx_stats(_adapter *padapter, union recv_frame *prframe, struct sta_info*sta);
void count_rx_stats(_adapter *padapter, union recv_frame *prframe, struct sta_info*sta)
{
int sz;
struct sta_info *psta = NULL;
struct stainfo_stats *pstats = NULL;
struct rx_pkt_attrib *pattrib = & prframe->u.hdr.attrib;
struct recv_priv *precvpriv = &padapter->recvpriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
sz = get_recvframe_len(prframe);
precvpriv->rx_bytes += sz;
padapter->mlmepriv.LinkDetectInfo.NumRxOkInPeriod++;
if( (!MacAddr_isBcst(pattrib->dst)) && (!IS_MCAST(pattrib->dst))){
padapter->mlmepriv.LinkDetectInfo.NumRxUnicastOkInPeriod++;
}
if(sta)
psta = sta;
else
psta = prframe->u.hdr.psta;
if(psta)
{
pstats = &psta->sta_stats;
pstats->rx_data_pkts++;
pstats->rx_bytes += sz;
/*record rx packets for every tid*/
pstats->rx_data_qos_pkts[pattrib->priority]++;
#ifdef CONFIG_TDLS
if(psta->tdls_sta_state & TDLS_LINKED_STATE)
{
struct sta_info *pap_sta = NULL;
pap_sta = rtw_get_stainfo(&padapter->stapriv, get_bssid(&padapter->mlmepriv));
if(pap_sta)
{
pstats = &pap_sta->sta_stats;
pstats->rx_data_pkts++;
pstats->rx_bytes += sz;
}
}
#endif //CONFIG_TDLS
}
#ifdef CONFIG_CHECK_LEAVE_LPS
traffic_check_for_leave_lps(padapter, _FALSE, 0);
#endif //CONFIG_LPS
}
sint sta2sta_data_frame(
_adapter *adapter,
union recv_frame *precv_frame,
struct sta_info**psta
);
sint sta2sta_data_frame(
_adapter *adapter,
union recv_frame *precv_frame,
struct sta_info**psta
)
{
u8 *ptr = precv_frame->u.hdr.rx_data;
sint ret = _SUCCESS;
struct rx_pkt_attrib *pattrib = & precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *mybssid = get_bssid(pmlmepriv);
u8 *myhwaddr = adapter_mac_addr(adapter);
u8 * sta_addr = NULL;
sint bmcast = IS_MCAST(pattrib->dst);
#ifdef CONFIG_TDLS
struct tdls_info *ptdlsinfo = &adapter->tdlsinfo;
#ifdef CONFIG_TDLS_CH_SW
struct tdls_ch_switch *pchsw_info = &ptdlsinfo->chsw_info;
#endif
struct sta_info *ptdls_sta=NULL;
u8 *psnap_type=ptr+pattrib->hdrlen + pattrib->iv_len+SNAP_SIZE;
//frame body located after [+2]: ether-type, [+1]: payload type
u8 *pframe_body = psnap_type+2+1;
#endif
_func_enter_;
//DBG_871X("[%s] %d, seqnum:%d\n", __FUNCTION__, __LINE__, pattrib->seq_num);
if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) ||
(check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE))
{
// filter packets that SA is myself or multicast or broadcast
if (_rtw_memcmp(myhwaddr, pattrib->src, ETH_ALEN)){
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,(" SA==myself \n"));
ret= _FAIL;
goto exit;
}
if( (!_rtw_memcmp(myhwaddr, pattrib->dst, ETH_ALEN)) && (!bmcast) ){
ret= _FAIL;
goto exit;
}
if( _rtw_memcmp(pattrib->bssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
_rtw_memcmp(mybssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
(!_rtw_memcmp(pattrib->bssid, mybssid, ETH_ALEN)) ) {
ret= _FAIL;
goto exit;
}
sta_addr = pattrib->src;
}
else if(check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _TRUE)
{
#ifdef CONFIG_TDLS
/* direct link data transfer */
if (ptdlsinfo->link_established == _TRUE) {
ptdls_sta = rtw_get_stainfo(pstapriv, pattrib->src);
if (ptdls_sta == NULL) {
ret=_FAIL;
goto exit;
} else if (ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE) {
/* filter packets that SA is myself or multicast or broadcast */
if (_rtw_memcmp(myhwaddr, pattrib->src, ETH_ALEN)) {
ret= _FAIL;
goto exit;
}
/* da should be for me */
if ((!_rtw_memcmp(myhwaddr, pattrib->dst, ETH_ALEN)) && (!bmcast)) {
ret= _FAIL;
goto exit;
}
/* check BSSID */
if (_rtw_memcmp(pattrib->bssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
_rtw_memcmp(mybssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
(!_rtw_memcmp(pattrib->bssid, mybssid, ETH_ALEN))) {
ret= _FAIL;
goto exit;
}
#ifdef CONFIG_TDLS_CH_SW
if(ATOMIC_READ(&pchsw_info->chsw_on) == _TRUE) {
if (adapter->mlmeextpriv.cur_channel != rtw_get_oper_ch(adapter)) {
pchsw_info->ch_sw_state |= TDLS_PEER_AT_OFF_STATE;
if (!(pchsw_info->ch_sw_state & TDLS_CH_SW_INITIATOR_STATE))
_cancel_timer_ex(&ptdls_sta->ch_sw_timer);
/* On_TDLS_Peer_Traffic_Rsp(adapter, precv_frame); */
}
}
#endif
/* process UAPSD tdls sta */
process_pwrbit_data(adapter, precv_frame);
/* if NULL-frame, check pwrbit */
if ((GetFrameSubType(ptr) & WIFI_DATA_NULL) == WIFI_DATA_NULL) {
/* NULL-frame with pwrbit=1, buffer_STA should buffer frames for sleep_STA */
if (GetPwrMgt(ptr)) {
/* it would be triggered when we are off channel and receiving NULL DATA */
/* we can confirm that peer STA is at off channel */
DBG_871X("TDLS: recv peer null frame with pwr bit 1\n");
//ptdls_sta->tdls_sta_state|=TDLS_PEER_SLEEP_STATE;
}
/* TODO: Updated BSSID's seq. */
//DBG_871X("drop Null Data\n");
ptdls_sta->tdls_sta_state &= ~(TDLS_WAIT_PTR_STATE);
ret= _FAIL;
goto exit;
}
/* receive some of all TDLS management frames, process it at ON_TDLS */
if (_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_TDLS, 2)) {
ret= OnTDLS(adapter, precv_frame);
goto exit;
}
if ((GetFrameSubType(ptr) & WIFI_QOS_DATA_TYPE) == WIFI_QOS_DATA_TYPE) {
process_wmmps_data(adapter, precv_frame);
}
ptdls_sta->tdls_sta_state &= ~(TDLS_WAIT_PTR_STATE);
}
sta_addr = pattrib->src;
}
else
#endif /* CONFIG_TDLS */
{
// For Station mode, sa and bssid should always be BSSID, and DA is my mac-address
if(!_rtw_memcmp(pattrib->bssid, pattrib->src, ETH_ALEN) )
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("bssid != TA under STATION_MODE; drop pkt\n"));
ret= _FAIL;
goto exit;
}
sta_addr = pattrib->bssid;
}
}
else if(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
{
if (bmcast)
{
// For AP mode, if DA == MCAST, then BSSID should be also MCAST
if (!IS_MCAST(pattrib->bssid)){
ret= _FAIL;
goto exit;
}
}
else // not mc-frame
{
// For AP mode, if DA is non-MCAST, then it must be BSSID, and bssid == BSSID
if(!_rtw_memcmp(pattrib->bssid, pattrib->dst, ETH_ALEN)) {
ret= _FAIL;
goto exit;
}
sta_addr = pattrib->src;
}
}
else if(check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE)
{
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->src, GetAddr2Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
sta_addr = mybssid;
}
else
{
ret = _FAIL;
}
if(bmcast)
*psta = rtw_get_bcmc_stainfo(adapter);
else
*psta = rtw_get_stainfo(pstapriv, sta_addr); // get ap_info
#ifdef CONFIG_TDLS
if(ptdls_sta != NULL)
{
*psta = ptdls_sta;
}
#endif //CONFIG_TDLS
if (*psta == NULL) {
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("can't get psta under sta2sta_data_frame ; drop pkt\n"));
#ifdef CONFIG_MP_INCLUDED
if (adapter->registrypriv.mp_mode == 1)
{
if(check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE)
adapter->mppriv.rx_pktloss++;
}
#endif
ret= _FAIL;
goto exit;
}
exit:
_func_exit_;
return ret;
}
sint ap2sta_data_frame(
_adapter *adapter,
union recv_frame *precv_frame,
struct sta_info**psta );
sint ap2sta_data_frame(
_adapter *adapter,
union recv_frame *precv_frame,
struct sta_info**psta )
{
u8 *ptr = precv_frame->u.hdr.rx_data;
struct rx_pkt_attrib *pattrib = & precv_frame->u.hdr.attrib;
sint ret = _SUCCESS;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *mybssid = get_bssid(pmlmepriv);
u8 *myhwaddr = adapter_mac_addr(adapter);
sint bmcast = IS_MCAST(pattrib->dst);
_func_enter_;
if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _TRUE)
&& (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE
|| check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == _TRUE )
)
{
// filter packets that SA is myself or multicast or broadcast
if (_rtw_memcmp(myhwaddr, pattrib->src, ETH_ALEN)){
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,(" SA==myself \n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s SA="MAC_FMT", myhwaddr="MAC_FMT"\n",
__FUNCTION__, MAC_ARG(pattrib->src), MAC_ARG(myhwaddr));
#endif
ret= _FAIL;
goto exit;
}
// da should be for me
if((!_rtw_memcmp(myhwaddr, pattrib->dst, ETH_ALEN))&& (!bmcast))
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,
(" ap2sta_data_frame: compare DA fail; DA="MAC_FMT"\n", MAC_ARG(pattrib->dst)));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s DA="MAC_FMT"\n", __func__, MAC_ARG(pattrib->dst));
#endif
ret= _FAIL;
goto exit;
}
// check BSSID
if( _rtw_memcmp(pattrib->bssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
_rtw_memcmp(mybssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
(!_rtw_memcmp(pattrib->bssid, mybssid, ETH_ALEN)) )
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,
(" ap2sta_data_frame: compare BSSID fail ; BSSID="MAC_FMT"\n", MAC_ARG(pattrib->bssid)));
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("mybssid="MAC_FMT"\n", MAC_ARG(mybssid)));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s BSSID="MAC_FMT", mybssid="MAC_FMT"\n",
__FUNCTION__, MAC_ARG(pattrib->bssid), MAC_ARG(mybssid));
DBG_871X( "this adapter = %d, buddy adapter = %d\n", adapter->adapter_type, adapter->pbuddy_adapter->adapter_type );
#endif
if(!bmcast)
{
DBG_871X("issue_deauth to the nonassociated ap=" MAC_FMT " for the reason(7)\n", MAC_ARG(pattrib->bssid));
issue_deauth(adapter, pattrib->bssid, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
}
ret= _FAIL;
goto exit;
}
if(bmcast)
*psta = rtw_get_bcmc_stainfo(adapter);
else
*psta = rtw_get_stainfo(pstapriv, pattrib->bssid); // get ap_info
if (*psta == NULL) {
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("ap2sta: can't get psta under STATION_MODE ; drop pkt\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s can't get psta under STATION_MODE ; drop pkt\n", __FUNCTION__);
#endif
ret= _FAIL;
goto exit;
}
if ((GetFrameSubType(ptr) & WIFI_QOS_DATA_TYPE) == WIFI_QOS_DATA_TYPE) {
}
if (GetFrameSubType(ptr) & BIT(6)) {
/* No data, will not indicate to upper layer, temporily count it here */
count_rx_stats(adapter, precv_frame, *psta);
ret = RTW_RX_HANDLED;
goto exit;
}
}
else if ((check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE) &&
(check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE) )
{
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->src, GetAddr2Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
//
if(adapter->mppriv.bRTWSmbCfg==_FALSE)
_rtw_memcpy(pattrib->bssid, mybssid, ETH_ALEN);
*psta = rtw_get_stainfo(pstapriv, pattrib->bssid); // get sta_info
if (*psta == NULL) {
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("can't get psta under MP_MODE ; drop pkt\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s can't get psta under WIFI_MP_STATE ; drop pkt\n", __FUNCTION__);
#endif
ret= _FAIL;
goto exit;
}
}
else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
{
/* Special case */
ret = RTW_RX_HANDLED;
goto exit;
}
else
{
if(_rtw_memcmp(myhwaddr, pattrib->dst, ETH_ALEN)&& (!bmcast))
{
*psta = rtw_get_stainfo(pstapriv, pattrib->bssid); // get sta_info
if (*psta == NULL)
{
//for AP multicast issue , modify by yiwei
static u32 send_issue_deauth_time=0;
//DBG_871X("After send deauth , %u ms has elapsed.\n", rtw_get_passing_time_ms(send_issue_deauth_time));
if(rtw_get_passing_time_ms(send_issue_deauth_time) > 10000 || send_issue_deauth_time == 0 )
{
send_issue_deauth_time = rtw_get_current_time();
DBG_871X("issue_deauth to the ap=" MAC_FMT " for the reason(7)\n", MAC_ARG(pattrib->bssid));
issue_deauth(adapter, pattrib->bssid, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
}
}
}
ret = _FAIL;
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s fw_state:0x%x\n", __FUNCTION__, get_fwstate(pmlmepriv));
#endif
}
exit:
_func_exit_;
return ret;
}
sint sta2ap_data_frame(
_adapter *adapter,
union recv_frame *precv_frame,
struct sta_info**psta );
sint sta2ap_data_frame(
_adapter *adapter,
union recv_frame *precv_frame,
struct sta_info**psta )
{
u8 *ptr = precv_frame->u.hdr.rx_data;
struct rx_pkt_attrib *pattrib = & precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
unsigned char *mybssid = get_bssid(pmlmepriv);
sint ret=_SUCCESS;
_func_enter_;
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
{
//For AP mode, RA=BSSID, TX=STA(SRC_ADDR), A3=DST_ADDR
if(!_rtw_memcmp(pattrib->bssid, mybssid, ETH_ALEN))
{
ret= _FAIL;
goto exit;
}
*psta = rtw_get_stainfo(pstapriv, pattrib->src);
if (*psta == NULL)
{
#ifdef CONFIG_DFS_MASTER
struct rf_ctl_t *rfctl = adapter_to_rfctl(adapter);
/* prevent RX tasklet blocks cmd_thread */
if (rfctl->radar_detected == 1)
goto bypass_deauth7;
#endif
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("can't get psta under AP_MODE; drop pkt\n"));
DBG_871X("issue_deauth to sta=" MAC_FMT " for the reason(7)\n", MAC_ARG(pattrib->src));
issue_deauth(adapter, pattrib->src, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
#ifdef CONFIG_DFS_MASTER
bypass_deauth7:
#endif
ret = RTW_RX_HANDLED;
goto exit;
}
process_pwrbit_data(adapter, precv_frame);
if ((GetFrameSubType(ptr) & WIFI_QOS_DATA_TYPE) == WIFI_QOS_DATA_TYPE) {
process_wmmps_data(adapter, precv_frame);
}
if (GetFrameSubType(ptr) & BIT(6)) {
/* No data, will not indicate to upper layer, temporily count it here */
count_rx_stats(adapter, precv_frame, *psta);
ret = RTW_RX_HANDLED;
goto exit;
}
}
else if ((check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE) &&
(check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE) )
{
//DBG_871X("%s ,in WIFI_MP_STATE \n",__func__);
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->src, GetAddr2Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
_rtw_memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
//
if(adapter->mppriv.bRTWSmbCfg == _FALSE)
_rtw_memcpy(pattrib->bssid, mybssid, ETH_ALEN);
*psta = rtw_get_stainfo(pstapriv, pattrib->bssid); // get sta_info
if (*psta == NULL) {
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("can't get psta under MP_MODE ; drop pkt\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s can't get psta under WIFI_MP_STATE ; drop pkt\n", __FUNCTION__);
#endif
ret= _FAIL;
goto exit;
}
}
else {
u8 *myhwaddr = adapter_mac_addr(adapter);
if (!_rtw_memcmp(pattrib->ra, myhwaddr, ETH_ALEN)) {
ret = RTW_RX_HANDLED;
goto exit;
}
DBG_871X("issue_deauth to sta=" MAC_FMT " for the reason(7)\n", MAC_ARG(pattrib->src));
issue_deauth(adapter, pattrib->src, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
ret = RTW_RX_HANDLED;
goto exit;
}
exit:
_func_exit_;
return ret;
}
sint validate_recv_ctrl_frame(_adapter *padapter, union recv_frame *precv_frame);
sint validate_recv_ctrl_frame(_adapter *padapter, union recv_frame *precv_frame)
{
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &padapter->stapriv;
u8 *pframe = precv_frame->u.hdr.rx_data;
struct sta_info *psta=NULL;
//uint len = precv_frame->u.hdr.len;
//DBG_871X("+validate_recv_ctrl_frame\n");
if (GetFrameType(pframe) != WIFI_CTRL_TYPE)
{
return _FAIL;
}
//receive the frames that ra(a1) is my address
if (!_rtw_memcmp(GetAddr1Ptr(pframe), adapter_mac_addr(padapter), ETH_ALEN))
return _FAIL;
psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
if (psta==NULL)
{
return _FAIL;
}
//for rx pkt statistics
psta->sta_stats.rx_ctrl_pkts++;
//only handle ps-poll
if(GetFrameSubType(pframe) == WIFI_PSPOLL)
{
#ifdef CONFIG_AP_MODE
u16 aid;
u8 wmmps_ac=0;
aid = GetAid(pframe);
if(psta->aid!=aid)
{
return _FAIL;
}
switch(pattrib->priority)
{
case 1:
case 2:
wmmps_ac = psta->uapsd_bk&BIT(0);
break;
case 4:
case 5:
wmmps_ac = psta->uapsd_vi&BIT(0);
break;
case 6:
case 7:
wmmps_ac = psta->uapsd_vo&BIT(0);
break;
case 0:
case 3:
default:
wmmps_ac = psta->uapsd_be&BIT(0);
break;
}
if(wmmps_ac)
return _FAIL;
if(psta->state & WIFI_STA_ALIVE_CHK_STATE)
{
DBG_871X("%s alive check-rx ps-poll\n", __func__);
psta->expire_to = pstapriv->expire_to;
psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
}
if((psta->state&WIFI_SLEEP_STATE) && (pstapriv->sta_dz_bitmap&BIT(psta->aid)))
{
_irqL irqL;
_list *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe=NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
//_enter_critical_bh(&psta->sleep_q.lock, &irqL);
_enter_critical_bh(&pxmitpriv->lock, &irqL);
xmitframe_phead = get_list_head(&psta->sleep_q);
xmitframe_plist = get_next(xmitframe_phead);
if ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == _FALSE)
{
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
xmitframe_plist = get_next(xmitframe_plist);
rtw_list_delete(&pxmitframe->list);
psta->sleepq_len--;
if(psta->sleepq_len>0)
pxmitframe->attrib.mdata = 1;
else
pxmitframe->attrib.mdata = 0;
pxmitframe->attrib.triggered = 1;
//DBG_871X("handling ps-poll, q_len=%d, tim=%x\n", psta->sleepq_len, pstapriv->tim_bitmap);
#if 0
_exit_critical_bh(&psta->sleep_q.lock, &irqL);
if(rtw_hal_xmit(padapter, pxmitframe) == _TRUE)
{
rtw_os_xmit_complete(padapter, pxmitframe);
}
_enter_critical_bh(&psta->sleep_q.lock, &irqL);
#endif
rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
if(psta->sleepq_len==0)
{
pstapriv->tim_bitmap &= ~BIT(psta->aid);
//DBG_871X("after handling ps-poll, tim=%x\n", pstapriv->tim_bitmap);
//upate BCN for TIM IE
//update_BCNTIM(padapter);
update_beacon(padapter, _TIM_IE_, NULL, _TRUE);
}
//_exit_critical_bh(&psta->sleep_q.lock, &irqL);
_exit_critical_bh(&pxmitpriv->lock, &irqL);
}
else
{
//_exit_critical_bh(&psta->sleep_q.lock, &irqL);
_exit_critical_bh(&pxmitpriv->lock, &irqL);
//DBG_871X("no buffered packets to xmit\n");
if(pstapriv->tim_bitmap&BIT(psta->aid))
{
if(psta->sleepq_len==0)
{
DBG_871X("no buffered packets to xmit\n");
//issue nulldata with More data bit = 0 to indicate we have no buffered packets
issue_nulldata_in_interrupt(padapter, psta->hwaddr, 0);
}
else
{
DBG_871X("error!psta->sleepq_len=%d\n", psta->sleepq_len);
psta->sleepq_len=0;
}
pstapriv->tim_bitmap &= ~BIT(psta->aid);
//upate BCN for TIM IE
//update_BCNTIM(padapter);
update_beacon(padapter, _TIM_IE_, NULL, _TRUE);
}
}
}
#endif //CONFIG_AP_MODE
}
else if(GetFrameSubType(pframe) == WIFI_NDPA) {
#ifdef CONFIG_BEAMFORMING
beamforming_get_ndpa_frame(padapter, precv_frame);
#endif/*CONFIG_BEAMFORMING*/
}
return _FAIL;
}
union recv_frame* recvframe_chk_defrag(PADAPTER padapter, union recv_frame *precv_frame);
sint validate_recv_mgnt_frame(PADAPTER padapter, union recv_frame *precv_frame);
sint validate_recv_mgnt_frame(PADAPTER padapter, union recv_frame *precv_frame)
{
//struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("+validate_recv_mgnt_frame\n"));
#if 0
if(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
{
#ifdef CONFIG_NATIVEAP_MLME
mgt_dispatcher(padapter, precv_frame);
#else
rtw_hostapd_mlme_rx(padapter, precv_frame);
#endif
}
else
{
mgt_dispatcher(padapter, precv_frame);
}
#endif
precv_frame = recvframe_chk_defrag(padapter, precv_frame);
if (precv_frame == NULL) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_,("%s: fragment packet\n",__FUNCTION__));
return _SUCCESS;
}
{
//for rx pkt statistics
struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, GetAddr2Ptr(precv_frame->u.hdr.rx_data));
if (psta) {
psta->sta_stats.rx_mgnt_pkts++;
if (GetFrameSubType(precv_frame->u.hdr.rx_data) == WIFI_BEACON)
psta->sta_stats.rx_beacon_pkts++;
else if (GetFrameSubType(precv_frame->u.hdr.rx_data) == WIFI_PROBEREQ)
psta->sta_stats.rx_probereq_pkts++;
else if (GetFrameSubType(precv_frame->u.hdr.rx_data) == WIFI_PROBERSP) {
if (_rtw_memcmp(adapter_mac_addr(padapter), GetAddr1Ptr(precv_frame->u.hdr.rx_data), ETH_ALEN) == _TRUE)
psta->sta_stats.rx_probersp_pkts++;
else if (is_broadcast_mac_addr(GetAddr1Ptr(precv_frame->u.hdr.rx_data))
|| is_multicast_mac_addr(GetAddr1Ptr(precv_frame->u.hdr.rx_data)))
psta->sta_stats.rx_probersp_bm_pkts++;
else
psta->sta_stats.rx_probersp_uo_pkts++;
}
}
}
#ifdef CONFIG_INTEL_PROXIM
if(padapter->proximity.proxim_on==_TRUE)
{
struct rx_pkt_attrib * pattrib=&precv_frame->u.hdr.attrib;
struct recv_stat* prxstat=( struct recv_stat * ) precv_frame->u.hdr.rx_head ;
u8 * pda,*psa,*pbssid,*ptr;
ptr=precv_frame->u.hdr.rx_data;
pda = get_da(ptr);
psa = get_sa(ptr);
pbssid = get_hdr_bssid(ptr);
_rtw_memcpy(pattrib->dst, pda, ETH_ALEN);
_rtw_memcpy(pattrib->src, psa, ETH_ALEN);
_rtw_memcpy(pattrib->bssid, pbssid, ETH_ALEN);
switch(pattrib->to_fr_ds)
{
case 0:
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
break;
case 1:
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
_rtw_memcpy(pattrib->ta, pbssid, ETH_ALEN);
break;
case 2:
_rtw_memcpy(pattrib->ra, pbssid, ETH_ALEN);
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
break;
case 3:
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ta, GetAddr2Ptr(ptr), ETH_ALEN);
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,(" case 3\n"));
break;
default:
break;
}
pattrib->priority=0;
pattrib->hdrlen = pattrib->to_fr_ds==3 ? 30 : 24;
padapter->proximity.proxim_rx(padapter,precv_frame);
}
#endif
mgt_dispatcher(padapter, precv_frame);
return _SUCCESS;
}
sint validate_recv_data_frame(_adapter *adapter, union recv_frame *precv_frame);
sint validate_recv_data_frame(_adapter *adapter, union recv_frame *precv_frame)
{
u8 bretry;
u8 *psa, *pda, *pbssid;
struct sta_info *psta = NULL;
u8 *ptr = precv_frame->u.hdr.rx_data;
struct rx_pkt_attrib *pattrib = & precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &adapter->stapriv;
struct security_priv *psecuritypriv = &adapter->securitypriv;
sint ret = _SUCCESS;
_func_enter_;
bretry = GetRetry(ptr);
pda = get_da(ptr);
psa = get_sa(ptr);
pbssid = get_hdr_bssid(ptr);
if(pbssid == NULL){
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s pbssid == NULL\n", __func__);
#endif
ret= _FAIL;
goto exit;
}
_rtw_memcpy(pattrib->dst, pda, ETH_ALEN);
_rtw_memcpy(pattrib->src, psa, ETH_ALEN);
_rtw_memcpy(pattrib->bssid, pbssid, ETH_ALEN);
switch(pattrib->to_fr_ds)
{
case 0:
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
ret = sta2sta_data_frame(adapter, precv_frame, &psta);
break;
case 1:
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
_rtw_memcpy(pattrib->ta, pbssid, ETH_ALEN);
ret = ap2sta_data_frame(adapter, precv_frame, &psta);
break;
case 2:
_rtw_memcpy(pattrib->ra, pbssid, ETH_ALEN);
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
ret = sta2ap_data_frame(adapter, precv_frame, &psta);
break;
case 3:
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ta, GetAddr2Ptr(ptr), ETH_ALEN);
ret =_FAIL;
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,(" case 3\n"));
break;
default:
ret =_FAIL;
break;
}
if(ret ==_FAIL){
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s case:%d, res:%d\n", __FUNCTION__, pattrib->to_fr_ds, ret);
#endif
goto exit;
} else if (ret == RTW_RX_HANDLED) {
goto exit;
}
if(psta==NULL){
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,(" after to_fr_ds_chk; psta==NULL \n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s psta == NULL\n", __func__);
#endif
ret= _FAIL;
goto exit;
}
//psta->rssi = prxcmd->rssi;
//psta->signal_quality= prxcmd->sq;
precv_frame->u.hdr.psta = psta;
pattrib->amsdu=0;
pattrib->ack_policy = 0;
//parsing QC field
if(pattrib->qos == 1)
{
pattrib->priority = GetPriority((ptr + 24));
pattrib->ack_policy = GetAckpolicy((ptr + 24));
pattrib->amsdu = GetAMsdu((ptr + 24));
pattrib->hdrlen = pattrib->to_fr_ds==3 ? 32 : 26;
if(pattrib->priority!=0 && pattrib->priority!=3)
adapter->recvpriv.bIsAnyNonBEPkts = _TRUE;
else
adapter->recvpriv.bIsAnyNonBEPkts = _FALSE;
}
else
{
pattrib->priority=0;
pattrib->hdrlen = pattrib->to_fr_ds==3 ? 30 : 24;
}
if(pattrib->order)//HT-CTRL 11n
{
pattrib->hdrlen += 4;
}
precv_frame->u.hdr.preorder_ctrl = &psta->recvreorder_ctrl[pattrib->priority];
// decache, drop duplicate recv packets
if(recv_decache(precv_frame, bretry, &psta->sta_recvpriv.rxcache) == _FAIL)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("decache : drop pkt\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s recv_decache return _FAIL\n", __func__);
#endif
ret= _FAIL;
goto exit;
}
if(pattrib->privacy){
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("validate_recv_data_frame:pattrib->privacy=%x\n", pattrib->privacy));
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("\n ^^^^^^^^^^^IS_MCAST(pattrib->ra(0x%02x))=%d^^^^^^^^^^^^^^^6\n", pattrib->ra[0],IS_MCAST(pattrib->ra)));
#ifdef CONFIG_TDLS
if((psta->tdls_sta_state & TDLS_LINKED_STATE) && (psta->dot118021XPrivacy==_AES_))
{
pattrib->encrypt=psta->dot118021XPrivacy;
}
else
#endif //CONFIG_TDLS
GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, IS_MCAST(pattrib->ra));
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("\n pattrib->encrypt=%d\n",pattrib->encrypt));
SET_ICE_IV_LEN(pattrib->iv_len, pattrib->icv_len, pattrib->encrypt);
}
else
{
pattrib->encrypt = 0;
pattrib->iv_len = pattrib->icv_len = 0;
}
exit:
_func_exit_;
return ret;
}
#ifdef CONFIG_IEEE80211W
static sint validate_80211w_mgmt(_adapter *adapter, union recv_frame *precv_frame)
{
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct rx_pkt_attrib *pattrib = & precv_frame->u.hdr.attrib;
u8 *ptr = precv_frame->u.hdr.rx_data;
struct sta_info *psta;
struct sta_priv *pstapriv = &adapter->stapriv;
u8 type;
u8 subtype;
type = GetFrameType(ptr);
subtype = GetFrameSubType(ptr); //bit(7)~bit(2)
if (adapter->securitypriv.binstallBIPkey == _TRUE)
{
//unicast management frame decrypt
if(pattrib->privacy && !(IS_MCAST(GetAddr1Ptr(ptr))) &&
(subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC || subtype == WIFI_ACTION))
{
u8 *ppp, *mgmt_DATA;
u32 data_len=0;
ppp = GetAddr2Ptr(ptr);
pattrib->bdecrypted = 0;
pattrib->encrypt = _AES_;
pattrib->hdrlen = sizeof(struct rtw_ieee80211_hdr_3addr);
//set iv and icv length
SET_ICE_IV_LEN(pattrib->iv_len, pattrib->icv_len, pattrib->encrypt);
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ta, GetAddr2Ptr(ptr), ETH_ALEN);
//actual management data frame body
data_len = pattrib->pkt_len - pattrib->hdrlen - pattrib->iv_len - pattrib->icv_len;
mgmt_DATA = rtw_zmalloc(data_len);
if(mgmt_DATA == NULL)
{
DBG_871X("%s mgmt allocate fail !!!!!!!!!\n", __FUNCTION__);
goto validate_80211w_fail;
}
/* //dump the packet content before decrypt
{
int pp;
printk("pattrib->pktlen = %d =>", pattrib->pkt_len);
for(pp=0;pp< pattrib->pkt_len; pp++)
printk(" %02x ", ptr[pp]);
printk("\n");
}*/
precv_frame = decryptor(adapter, precv_frame);
//save actual management data frame body
_rtw_memcpy(mgmt_DATA, ptr+pattrib->hdrlen+pattrib->iv_len, data_len);
//overwrite the iv field
_rtw_memcpy(ptr+pattrib->hdrlen, mgmt_DATA, data_len);
//remove the iv and icv length
pattrib->pkt_len = pattrib->pkt_len - pattrib->iv_len - pattrib->icv_len;
rtw_mfree(mgmt_DATA, data_len);
/* //print packet content after decryption
{
int pp;
printk("after decryption pattrib->pktlen = %d @@=>", pattrib->pkt_len);
for(pp=0;pp< pattrib->pkt_len; pp++)
printk(" %02x ", ptr[pp]);
printk("\n");
}*/
if(!precv_frame)
{
DBG_871X("%s mgmt descrypt fail !!!!!!!!!\n", __FUNCTION__);
goto validate_80211w_fail;
}
}
else if(IS_MCAST(GetAddr1Ptr(ptr)) &&
(subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC))
{
sint BIP_ret = _SUCCESS;
//verify BIP MME IE of broadcast/multicast de-auth/disassoc packet
BIP_ret = rtw_BIP_verify(adapter, (u8 * )precv_frame);
if(BIP_ret == _FAIL)
{
//DBG_871X("802.11w BIP verify fail\n");
goto validate_80211w_fail;
}
else if(BIP_ret == RTW_RX_HANDLED)
{
DBG_871X("802.11w recv none protected packet\n");
//drop pkt, don't issue sa query request
/* issue_action_SA_Query(adapter, NULL, 0, 0, 0); */
goto validate_80211w_fail;
}
}//802.11w protect
else
{
psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(ptr));
if (subtype == WIFI_ACTION && psta && psta->bpairwise_key_installed == _TRUE) {
//according 802.11-2012 standard, these five types are not robust types
if( ptr[WLAN_HDR_A3_LEN] != RTW_WLAN_CATEGORY_PUBLIC &&
ptr[WLAN_HDR_A3_LEN] != RTW_WLAN_CATEGORY_HT &&
ptr[WLAN_HDR_A3_LEN] != RTW_WLAN_CATEGORY_UNPROTECTED_WNM &&
ptr[WLAN_HDR_A3_LEN] != RTW_WLAN_CATEGORY_SELF_PROTECTED &&
ptr[WLAN_HDR_A3_LEN] != RTW_WLAN_CATEGORY_P2P)
{
DBG_871X("action frame category=%d should robust\n", ptr[WLAN_HDR_A3_LEN]);
goto validate_80211w_fail;
}
}
else if(subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC)
{
unsigned short reason;
reason = le16_to_cpu(*(unsigned short *)(ptr + WLAN_HDR_A3_LEN));
DBG_871X("802.11w recv none protected packet, reason=%d\n", reason);
if(reason == 6 || reason == 7)
{
//issue sa query request
issue_action_SA_Query(adapter, NULL, 0, 0, IEEE80211W_RIGHT_KEY);
}
goto validate_80211w_fail;
}
}
}
return _SUCCESS;
validate_80211w_fail:
return _FAIL;
}
#endif //CONFIG_IEEE80211W
static inline void dump_rx_packet(u8 *ptr)
{
int i;
DBG_871X("############################# \n");
for(i=0; i<64;i=i+8)
DBG_871X("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:\n", *(ptr+i),
*(ptr+i+1), *(ptr+i+2) ,*(ptr+i+3) ,*(ptr+i+4),*(ptr+i+5), *(ptr+i+6), *(ptr+i+7));
DBG_871X("############################# \n");
}
sint validate_recv_frame(_adapter *adapter, union recv_frame *precv_frame);
sint validate_recv_frame(_adapter *adapter, union recv_frame *precv_frame)
{
//shall check frame subtype, to / from ds, da, bssid
//then call check if rx seq/frag. duplicated.
u8 type;
u8 subtype;
sint retval = _SUCCESS;
struct rx_pkt_attrib *pattrib = & precv_frame->u.hdr.attrib;
u8 *ptr = precv_frame->u.hdr.rx_data;
u8 ver =(unsigned char) (*ptr)&0x3 ;
#ifdef CONFIG_FIND_BEST_CHANNEL
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
#endif
#ifdef CONFIG_TDLS
struct tdls_info *ptdlsinfo = &adapter->tdlsinfo;
#endif //CONFIG_TDLS
#ifdef CONFIG_WAPI_SUPPORT
PRT_WAPI_T pWapiInfo = &adapter->wapiInfo;
struct recv_frame_hdr *phdr = &precv_frame->u.hdr;
u8 wai_pkt = 0;
u16 sc;
u8 external_len = 0;
#endif
_func_enter_;
#ifdef CONFIG_FIND_BEST_CHANNEL
if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
int ch_set_idx = rtw_ch_set_search_ch(pmlmeext->channel_set, rtw_get_oper_ch(adapter));
if (ch_set_idx >= 0)
pmlmeext->channel_set[ch_set_idx].rx_count++;
}
#endif
#ifdef CONFIG_TDLS
if(ptdlsinfo->ch_sensing==1 && ptdlsinfo->cur_channel !=0){
ptdlsinfo->collect_pkt_num[ptdlsinfo->cur_channel-1]++;
}
#endif //CONFIG_TDLS
#ifdef RTK_DMP_PLATFORM
if ( 0 )
{
DBG_871X("++\n");
{
int i;
for(i=0; i<64;i=i+8)
DBG_871X("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:", *(ptr+i),
*(ptr+i+1), *(ptr+i+2) ,*(ptr+i+3) ,*(ptr+i+4),*(ptr+i+5), *(ptr+i+6), *(ptr+i+7));
}
DBG_871X("--\n");
}
#endif //RTK_DMP_PLATFORM
//add version chk
if(ver!=0){
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("validate_recv_data_frame fail! (ver!=0)\n"));
retval= _FAIL;
DBG_COUNTER(adapter->rx_logs.core_rx_pre_ver_err);
goto exit;
}
type = GetFrameType(ptr);
subtype = GetFrameSubType(ptr); //bit(7)~bit(2)
pattrib->to_fr_ds = get_tofr_ds(ptr);
pattrib->frag_num = GetFragNum(ptr);
pattrib->seq_num = GetSequence(ptr);
pattrib->pw_save = GetPwrMgt(ptr);
pattrib->mfrag = GetMFrag(ptr);
pattrib->mdata = GetMData(ptr);
pattrib->privacy = GetPrivacy(ptr);
pattrib->order = GetOrder(ptr);
#ifdef CONFIG_WAPI_SUPPORT
sc = (pattrib->seq_num<<4) | pattrib->frag_num;
#endif
#if 1 //Dump rx packets
{
u8 bDumpRxPkt = 0;
rtw_hal_get_def_var(adapter, HAL_DEF_DBG_DUMP_RXPKT, &(bDumpRxPkt));
if (bDumpRxPkt == 1) //dump all rx packets
dump_rx_packet(ptr);
else if ((bDumpRxPkt == 2) && (type == WIFI_MGT_TYPE))
dump_rx_packet(ptr);
else if ((bDumpRxPkt == 3) && (type == WIFI_DATA_TYPE))
dump_rx_packet(ptr);
}
#endif
switch (type)
{
case WIFI_MGT_TYPE: //mgnt
DBG_COUNTER(adapter->rx_logs.core_rx_pre_mgmt);
#ifdef CONFIG_IEEE80211W
if(validate_80211w_mgmt(adapter, precv_frame) == _FAIL)
{
retval = _FAIL;
DBG_COUNTER(adapter->rx_logs.core_rx_pre_mgmt_err_80211w);
break;
}
#endif //CONFIG_IEEE80211W
retval = validate_recv_mgnt_frame(adapter, precv_frame);
if (retval == _FAIL)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("validate_recv_mgnt_frame fail\n"));
DBG_COUNTER(adapter->rx_logs.core_rx_pre_mgmt_err);
}
retval = _FAIL; // only data frame return _SUCCESS
break;
case WIFI_CTRL_TYPE: //ctrl
DBG_COUNTER(adapter->rx_logs.core_rx_pre_ctrl);
retval = validate_recv_ctrl_frame(adapter, precv_frame);
if (retval == _FAIL)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("validate_recv_ctrl_frame fail\n"));
DBG_COUNTER(adapter->rx_logs.core_rx_pre_ctrl_err);
}
retval = _FAIL; // only data frame return _SUCCESS
break;
case WIFI_DATA_TYPE: //data
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data);
#ifdef CONFIG_WAPI_SUPPORT
if(pattrib->qos)
external_len = 2;
else
external_len= 0;
wai_pkt = rtw_wapi_is_wai_packet(adapter,ptr);
phdr->bIsWaiPacket = wai_pkt;
if(wai_pkt !=0){
if(sc != adapter->wapiInfo.wapiSeqnumAndFragNum)
{
adapter->wapiInfo.wapiSeqnumAndFragNum = sc;
}
else
{
retval = _FAIL;
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_wapi_seq_err);
break;
}
}
else{
if(rtw_wapi_drop_for_key_absent(adapter,GetAddr2Ptr(ptr))){
retval=_FAIL;
WAPI_TRACE(WAPI_RX,"drop for key absent for rx \n");
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_wapi_key_err);
break;
}
}
#endif
pattrib->qos = (subtype & BIT(7))? 1:0;
retval = validate_recv_data_frame(adapter, precv_frame);
if (retval == _FAIL)
{
struct recv_priv *precvpriv = &adapter->recvpriv;
//RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("validate_recv_data_frame fail\n"));
precvpriv->rx_drop++;
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_err);
}
else if (retval == _SUCCESS)
{
#ifdef DBG_RX_DUMP_EAP
u8 bDumpRxPkt;
u16 eth_type;
// dump eapol
rtw_hal_get_def_var(adapter, HAL_DEF_DBG_DUMP_RXPKT, &(bDumpRxPkt));
// get ether_type
_rtw_memcpy(&eth_type, ptr + pattrib->hdrlen + pattrib->iv_len + LLC_HEADER_SIZE, 2);
eth_type = ntohs((unsigned short) eth_type);
if ((bDumpRxPkt == 4) && (eth_type == 0x888e))
dump_rx_packet(ptr);
#endif
}
else
{
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_handled);
}
break;
default:
DBG_COUNTER(adapter->rx_logs.core_rx_pre_unknown);
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("validate_recv_data_frame fail! type=0x%x\n", type));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME validate_recv_data_frame fail! type=0x%x\n", type);
#endif
retval = _FAIL;
break;
}
exit:
_func_exit_;
return retval;
}
//remove the wlanhdr and add the eth_hdr
#if 1
sint wlanhdr_to_ethhdr ( union recv_frame *precvframe);
sint wlanhdr_to_ethhdr ( union recv_frame *precvframe)
{
sint rmv_len;
u16 eth_type, len;
u8 bsnaphdr;
u8 *psnap_type;
struct ieee80211_snap_hdr *psnap;
sint ret=_SUCCESS;
_adapter *adapter =precvframe->u.hdr.adapter;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *ptr = get_recvframe_data(precvframe) ; // point to frame_ctrl field
struct rx_pkt_attrib *pattrib = & precvframe->u.hdr.attrib;
_func_enter_;
if(pattrib->encrypt){
recvframe_pull_tail(precvframe, pattrib->icv_len);
}
psnap=(struct ieee80211_snap_hdr *)(ptr+pattrib->hdrlen + pattrib->iv_len);
psnap_type=ptr+pattrib->hdrlen + pattrib->iv_len+SNAP_SIZE;
/* convert hdr + possible LLC headers into Ethernet header */
//eth_type = (psnap_type[0] << 8) | psnap_type[1];
if((_rtw_memcmp(psnap, rtw_rfc1042_header, SNAP_SIZE) &&
(_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_IPX, 2) == _FALSE) &&
(_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_APPLETALK_AARP, 2)==_FALSE) )||
//eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) ||
_rtw_memcmp(psnap, rtw_bridge_tunnel_header, SNAP_SIZE)){
/* remove RFC1042 or Bridge-Tunnel encapsulation and replace EtherType */
bsnaphdr = _TRUE;
}
else {
/* Leave Ethernet header part of hdr and full payload */
bsnaphdr = _FALSE;
}
rmv_len = pattrib->hdrlen + pattrib->iv_len +(bsnaphdr?SNAP_SIZE:0);
len = precvframe->u.hdr.len - rmv_len;
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("\n===pattrib->hdrlen: %x, pattrib->iv_len:%x ===\n\n", pattrib->hdrlen, pattrib->iv_len));
_rtw_memcpy(&eth_type, ptr+rmv_len, 2);
eth_type= ntohs((unsigned short )eth_type); //pattrib->ether_type
pattrib->eth_type = eth_type;
#ifdef CONFIG_AUTO_AP_MODE
if (0x8899 == pattrib->eth_type)
{
struct sta_info *psta = precvframe->u.hdr.psta;
DBG_871X("wlan rx: got eth_type=0x%x\n", pattrib->eth_type);
if (psta && psta->isrc && psta->pid>0)
{
u16 rx_pid;
rx_pid = *(u16*)(ptr+rmv_len+2);
DBG_871X("wlan rx(pid=0x%x): sta("MAC_FMT") pid=0x%x\n",
rx_pid, MAC_ARG(psta->hwaddr), psta->pid);
if(rx_pid == psta->pid)
{
int i;
u16 len = *(u16*)(ptr+rmv_len+4);
//u16 ctrl_type = *(u16*)(ptr+rmv_len+6);
//DBG_871X("RC: len=0x%x, ctrl_type=0x%x\n", len, ctrl_type);
DBG_871X("RC: len=0x%x\n", len);
for(i=0;i<len;i++)
DBG_871X("0x%x\n", *(ptr+rmv_len+6+i));
//DBG_871X("0x%x\n", *(ptr+rmv_len+8+i));
DBG_871X("RC-end\n");
}
}
}
#endif //CONFIG_AUTO_AP_MODE
if ((check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE))
{
ptr += rmv_len ;
*ptr = 0x87;
*(ptr+1) = 0x12;
eth_type = 0x8712;
// append rx status for mp test packets
ptr = recvframe_pull(precvframe, (rmv_len-sizeof(struct ethhdr)+2)-24);
if (!ptr) {
ret = _FAIL;
goto exiting;
}
_rtw_memcpy(ptr, get_rxmem(precvframe), 24);
ptr+=24;
}
else {
ptr = recvframe_pull(precvframe, (rmv_len-sizeof(struct ethhdr)+ (bsnaphdr?2:0)));
if (!ptr) {
ret = _FAIL;
goto exiting;
}
}
if (ptr) {
_rtw_memcpy(ptr, pattrib->dst, ETH_ALEN);
_rtw_memcpy(ptr+ETH_ALEN, pattrib->src, ETH_ALEN);
if(!bsnaphdr) {
len = htons(len);
_rtw_memcpy(ptr+12, &len, 2);
}
}
exiting:
_func_exit_;
return ret;
}
#else
sint wlanhdr_to_ethhdr ( union recv_frame *precvframe)
{
sint rmv_len;
u16 eth_type;
u8 bsnaphdr;
u8 *psnap_type;
struct ieee80211_snap_hdr *psnap;
sint ret=_SUCCESS;
_adapter *adapter =precvframe->u.hdr.adapter;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8* ptr = get_recvframe_data(precvframe) ; // point to frame_ctrl field
struct rx_pkt_attrib *pattrib = & precvframe->u.hdr.attrib;
struct _vlan *pvlan = NULL;
_func_enter_;
psnap=(struct ieee80211_snap_hdr *)(ptr+pattrib->hdrlen + pattrib->iv_len);
psnap_type=ptr+pattrib->hdrlen + pattrib->iv_len+SNAP_SIZE;
if (psnap->dsap==0xaa && psnap->ssap==0xaa && psnap->ctrl==0x03)
{
if (_rtw_memcmp(psnap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN))
bsnaphdr=_TRUE;//wlan_pkt_format = WLAN_PKT_FORMAT_SNAP_RFC1042;
else if (_rtw_memcmp(psnap->oui, SNAP_HDR_APPLETALK_DDP, WLAN_IEEE_OUI_LEN) &&
_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_APPLETALK_DDP, 2) )
bsnaphdr=_TRUE; //wlan_pkt_format = WLAN_PKT_FORMAT_APPLETALK;
else if (_rtw_memcmp( psnap->oui, oui_8021h, WLAN_IEEE_OUI_LEN))
bsnaphdr=_TRUE; //wlan_pkt_format = WLAN_PKT_FORMAT_SNAP_TUNNEL;
else {
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("drop pkt due to invalid frame format!\n"));
ret= _FAIL;
goto exit;
}
} else
bsnaphdr=_FALSE;//wlan_pkt_format = WLAN_PKT_FORMAT_OTHERS;
rmv_len = pattrib->hdrlen + pattrib->iv_len +(bsnaphdr?SNAP_SIZE:0);
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("===pattrib->hdrlen: %x, pattrib->iv_len:%x ===\n", pattrib->hdrlen, pattrib->iv_len));
if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE)
{
ptr += rmv_len ;
*ptr = 0x87;
*(ptr+1) = 0x12;
//back to original pointer
ptr -= rmv_len;
}
ptr += rmv_len ;
_rtw_memcpy(&eth_type, ptr, 2);
eth_type= ntohs((unsigned short )eth_type); //pattrib->ether_type
ptr +=2;
if(pattrib->encrypt){
recvframe_pull_tail(precvframe, pattrib->icv_len);
}
if(eth_type == 0x8100) //vlan
{
pvlan = (struct _vlan *) ptr;
//eth_type = get_vlan_encap_proto(pvlan);
//eth_type = pvlan->h_vlan_encapsulated_proto;//?
rmv_len += 4;
ptr+=4;
}
if(eth_type==0x0800)//ip
{
//struct iphdr* piphdr = (struct iphdr*) ptr;
//__u8 tos = (unsigned char)(pattrib->priority & 0xff);
//piphdr->tos = tos;
//if (piphdr->protocol == 0x06)
//{
// RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("@@@===recv tcp len:%d @@@===\n", precvframe->u.hdr.len));
//}
}
else if(eth_type==0x8712)// append rx status for mp test packets
{
//ptr -= 16;
//_rtw_memcpy(ptr, get_rxmem(precvframe), 16);
}
else
{
#ifdef PLATFORM_OS_XP
NDIS_PACKET_8021Q_INFO VlanPriInfo;
UINT32 UserPriority = precvframe->u.hdr.attrib.priority;
UINT32 VlanID = (pvlan!=NULL ? get_vlan_id(pvlan) : 0 );
VlanPriInfo.Value = // Get current value.
NDIS_PER_PACKET_INFO_FROM_PACKET(precvframe->u.hdr.pkt, Ieee8021QInfo);
VlanPriInfo.TagHeader.UserPriority = UserPriority;
VlanPriInfo.TagHeader.VlanId = VlanID ;
VlanPriInfo.TagHeader.CanonicalFormatId = 0; // Should be zero.
VlanPriInfo.TagHeader.Reserved = 0; // Should be zero.
NDIS_PER_PACKET_INFO_FROM_PACKET(precvframe->u.hdr.pkt, Ieee8021QInfo) = VlanPriInfo.Value;
#endif
}
if(eth_type==0x8712)// append rx status for mp test packets
{
ptr = recvframe_pull(precvframe, (rmv_len-sizeof(struct ethhdr)+2)-24);
_rtw_memcpy(ptr, get_rxmem(precvframe), 24);
ptr+=24;
}
else
ptr = recvframe_pull(precvframe, (rmv_len-sizeof(struct ethhdr)+2));
_rtw_memcpy(ptr, pattrib->dst, ETH_ALEN);
_rtw_memcpy(ptr+ETH_ALEN, pattrib->src, ETH_ALEN);
eth_type = htons((unsigned short)eth_type) ;
_rtw_memcpy(ptr+12, &eth_type, 2);
exit:
_func_exit_;
return ret;
}
#endif
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
#ifdef PLATFORM_LINUX
static void recvframe_expand_pkt(
PADAPTER padapter,
union recv_frame *prframe)
{
struct recv_frame_hdr *pfhdr;
_pkt *ppkt;
u8 shift_sz;
u32 alloc_sz;
u8 *ptr;
pfhdr = &prframe->u.hdr;
// 6 is for IP header 8 bytes alignment in QoS packet case.
if (pfhdr->attrib.qos)
shift_sz = 6;
else
shift_sz = 0;
// for first fragment packet, need to allocate
// (1536 + RXDESC_SIZE + drvinfo_sz) to reassemble packet
// 8 is for skb->data 8 bytes alignment.
// alloc_sz = _RND(1536 + RXDESC_SIZE + pfhdr->attrib.drvinfosize + shift_sz + 8, 128);
alloc_sz = 1664; // round (1536 + 24 + 32 + shift_sz + 8) to 128 bytes alignment
//3 1. alloc new skb
// prepare extra space for 4 bytes alignment
ppkt = rtw_skb_alloc(alloc_sz);
if (!ppkt) return; // no way to expand
//3 2. Prepare new skb to replace & release old skb
// force ppkt->data at 8-byte alignment address
skb_reserve(ppkt, 8 - ((SIZE_PTR)ppkt->data & 7));
// force ip_hdr at 8-byte alignment address according to shift_sz
skb_reserve(ppkt, shift_sz);
// copy data to new pkt
ptr = skb_put(ppkt, pfhdr->len);
if (ptr)
_rtw_memcpy(ptr, pfhdr->rx_data, pfhdr->len);
rtw_skb_free(pfhdr->pkt);
// attach new pkt to recvframe
pfhdr->pkt = ppkt;
pfhdr->rx_head = ppkt->head;
pfhdr->rx_data = ppkt->data;
pfhdr->rx_tail = skb_tail_pointer(ppkt);
pfhdr->rx_end = skb_end_pointer(ppkt);
}
#else
#warning "recvframe_expand_pkt not implement, defrag may crash system"
#endif
#endif
//perform defrag
union recv_frame * recvframe_defrag(_adapter *adapter,_queue *defrag_q);
union recv_frame * recvframe_defrag(_adapter *adapter,_queue *defrag_q)
{
_list *plist, *phead;
u8 *data,wlanhdr_offset;
u8 curfragnum;
struct recv_frame_hdr *pfhdr,*pnfhdr;
union recv_frame* prframe, *pnextrframe;
_queue *pfree_recv_queue;
_func_enter_;
curfragnum=0;
pfree_recv_queue=&adapter->recvpriv.free_recv_queue;
phead = get_list_head(defrag_q);
plist = get_next(phead);
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
pfhdr=&prframe->u.hdr;
rtw_list_delete(&(prframe->u.list));
if(curfragnum!=pfhdr->attrib.frag_num)
{
//the first fragment number must be 0
//free the whole queue
rtw_free_recvframe(prframe, pfree_recv_queue);
rtw_free_recvframe_queue(defrag_q, pfree_recv_queue);
return NULL;
}
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
#ifndef CONFIG_SDIO_RX_COPY
recvframe_expand_pkt(adapter, prframe);
#endif
#endif
curfragnum++;
plist= get_list_head(defrag_q);
plist = get_next(plist);
data=get_recvframe_data(prframe);
while(rtw_end_of_queue_search(phead, plist) == _FALSE)
{
pnextrframe = LIST_CONTAINOR(plist, union recv_frame , u);
pnfhdr=&pnextrframe->u.hdr;
//check the fragment sequence (2nd ~n fragment frame)
if(curfragnum!=pnfhdr->attrib.frag_num)
{
//the fragment number must be increasing (after decache)
//release the defrag_q & prframe
rtw_free_recvframe(prframe, pfree_recv_queue);
rtw_free_recvframe_queue(defrag_q, pfree_recv_queue);
return NULL;
}
curfragnum++;
//copy the 2nd~n fragment frame's payload to the first fragment
//get the 2nd~last fragment frame's payload
wlanhdr_offset = pnfhdr->attrib.hdrlen + pnfhdr->attrib.iv_len;
recvframe_pull(pnextrframe, wlanhdr_offset);
//append to first fragment frame's tail (if privacy frame, pull the ICV)
recvframe_pull_tail(prframe, pfhdr->attrib.icv_len);
//memcpy
_rtw_memcpy(pfhdr->rx_tail, pnfhdr->rx_data, pnfhdr->len);
recvframe_put(prframe, pnfhdr->len);
pfhdr->attrib.icv_len=pnfhdr->attrib.icv_len;
plist = get_next(plist);
};
//free the defrag_q queue and return the prframe
rtw_free_recvframe_queue(defrag_q, pfree_recv_queue);
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("Performance defrag!!!!!\n"));
_func_exit_;
return prframe;
}
//check if need to defrag, if needed queue the frame to defrag_q
union recv_frame* recvframe_chk_defrag(PADAPTER padapter, union recv_frame *precv_frame)
{
u8 ismfrag;
u8 fragnum;
u8 *psta_addr;
struct recv_frame_hdr *pfhdr;
struct sta_info *psta;
struct sta_priv *pstapriv;
_list *phead;
union recv_frame *prtnframe = NULL;
_queue *pfree_recv_queue, *pdefrag_q;
_func_enter_;
pstapriv = &padapter->stapriv;
pfhdr = &precv_frame->u.hdr;
pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
//need to define struct of wlan header frame ctrl
ismfrag = pfhdr->attrib.mfrag;
fragnum = pfhdr->attrib.frag_num;
psta_addr = pfhdr->attrib.ta;
psta = rtw_get_stainfo(pstapriv, psta_addr);
if (psta == NULL)
{
u8 type = GetFrameType(pfhdr->rx_data);
if (type != WIFI_DATA_TYPE) {
psta = rtw_get_bcmc_stainfo(padapter);
pdefrag_q = &psta->sta_recvpriv.defrag_q;
} else
pdefrag_q = NULL;
}
else
pdefrag_q = &psta->sta_recvpriv.defrag_q;
if ((ismfrag==0) && (fragnum==0))
{
prtnframe = precv_frame;//isn't a fragment frame
}
if (ismfrag==1)
{
//0~(n-1) fragment frame
//enqueue to defraf_g
if(pdefrag_q != NULL)
{
if(fragnum==0)
{
//the first fragment
if(_rtw_queue_empty(pdefrag_q) == _FALSE)
{
//free current defrag_q
rtw_free_recvframe_queue(pdefrag_q, pfree_recv_queue);
}
}
//Then enqueue the 0~(n-1) fragment into the defrag_q
//_rtw_spinlock(&pdefrag_q->lock);
phead = get_list_head(pdefrag_q);
rtw_list_insert_tail(&pfhdr->list, phead);
//_rtw_spinunlock(&pdefrag_q->lock);
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("Enqueuq: ismfrag = %d, fragnum= %d\n", ismfrag,fragnum));
prtnframe=NULL;
}
else
{
//can't find this ta's defrag_queue, so free this recv_frame
rtw_free_recvframe(precv_frame, pfree_recv_queue);
prtnframe=NULL;
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("Free because pdefrag_q ==NULL: ismfrag = %d, fragnum= %d\n", ismfrag, fragnum));
}
}
if((ismfrag==0)&&(fragnum!=0))
{
//the last fragment frame
//enqueue the last fragment
if(pdefrag_q != NULL)
{
//_rtw_spinlock(&pdefrag_q->lock);
phead = get_list_head(pdefrag_q);
rtw_list_insert_tail(&pfhdr->list,phead);
//_rtw_spinunlock(&pdefrag_q->lock);
//call recvframe_defrag to defrag
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("defrag: ismfrag = %d, fragnum= %d\n", ismfrag, fragnum));
precv_frame = recvframe_defrag(padapter, pdefrag_q);
prtnframe=precv_frame;
}
else
{
//can't find this ta's defrag_queue, so free this recv_frame
rtw_free_recvframe(precv_frame, pfree_recv_queue);
prtnframe=NULL;
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("Free because pdefrag_q ==NULL: ismfrag = %d, fragnum= %d\n", ismfrag,fragnum));
}
}
if((prtnframe!=NULL)&&(prtnframe->u.hdr.attrib.privacy))
{
//after defrag we must check tkip mic code
if(recvframe_chkmic(padapter, prtnframe)==_FAIL)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvframe_chkmic(padapter, prtnframe)==_FAIL\n"));
rtw_free_recvframe(prtnframe,pfree_recv_queue);
prtnframe=NULL;
}
}
_func_exit_;
return prtnframe;
}
int amsdu_to_msdu(_adapter *padapter, union recv_frame *prframe)
{
int a_len, padding_len;
u16 nSubframe_Length;
u8 nr_subframes, i;
u8 *pdata;
_pkt *sub_pkt,*subframes[MAX_SUBFRAME_COUNT];
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *pfree_recv_queue = &(precvpriv->free_recv_queue);
int ret = _SUCCESS;
nr_subframes = 0;
recvframe_pull(prframe, prframe->u.hdr.attrib.hdrlen);
if(prframe->u.hdr.attrib.iv_len >0)
{
recvframe_pull(prframe, prframe->u.hdr.attrib.iv_len);
}
a_len = prframe->u.hdr.len;
pdata = prframe->u.hdr.rx_data;
while(a_len > ETH_HLEN) {
/* Offset 12 denote 2 mac address */
nSubframe_Length = RTW_GET_BE16(pdata + 12);
if( a_len < (ETHERNET_HEADER_SIZE + nSubframe_Length) ) {
DBG_871X("nRemain_Length is %d and nSubframe_Length is : %d\n",a_len,nSubframe_Length);
break;
}
sub_pkt = rtw_os_alloc_msdu_pkt(prframe, nSubframe_Length, pdata);
if (sub_pkt == NULL) {
DBG_871X("%s(): allocate sub packet fail !!!\n",__FUNCTION__);
break;
}
/* move the data point to data content */
pdata += ETH_HLEN;
a_len -= ETH_HLEN;
subframes[nr_subframes++] = sub_pkt;
if(nr_subframes >= MAX_SUBFRAME_COUNT) {
DBG_871X("ParseSubframe(): Too many Subframes! Packets dropped!\n");
break;
}
pdata += nSubframe_Length;
a_len -= nSubframe_Length;
if(a_len != 0) {
padding_len = 4 - ((nSubframe_Length + ETH_HLEN) & (4-1));
if(padding_len == 4) {
padding_len = 0;
}
if(a_len < padding_len) {
DBG_871X("ParseSubframe(): a_len < padding_len !\n");
break;
}
pdata += padding_len;
a_len -= padding_len;
}
}
for(i=0; i<nr_subframes; i++){
sub_pkt = subframes[i];
/* Indicat the packets to upper layer */
if (sub_pkt) {
rtw_os_recv_indicate_pkt(padapter, sub_pkt, &prframe->u.hdr.attrib);
}
}
prframe->u.hdr.len = 0;
rtw_free_recvframe(prframe, pfree_recv_queue);//free this recv_frame
return ret;
}
int check_indicate_seq(struct recv_reorder_ctrl *preorder_ctrl, u16 seq_num);
int check_indicate_seq(struct recv_reorder_ctrl *preorder_ctrl, u16 seq_num)
{
PADAPTER padapter = preorder_ctrl->padapter;
struct dvobj_priv *psdpriv = padapter->dvobj;
struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
u8 wsize = preorder_ctrl->wsize_b;
u16 wend = (preorder_ctrl->indicate_seq + wsize -1) & 0xFFF;//% 4096;
// Rx Reorder initialize condition.
if (preorder_ctrl->indicate_seq == 0xFFFF)
{
preorder_ctrl->indicate_seq = seq_num;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d init IndicateSeq: %d, NewSeq: %d\n", __FUNCTION__, __LINE__,
preorder_ctrl->indicate_seq, seq_num);
#endif
//DbgPrint("check_indicate_seq, 1st->indicate_seq=%d\n", precvpriv->indicate_seq);
}
//DbgPrint("enter->check_indicate_seq(): IndicateSeq: %d, NewSeq: %d\n", precvpriv->indicate_seq, seq_num);
// Drop out the packet which SeqNum is smaller than WinStart
if( SN_LESS(seq_num, preorder_ctrl->indicate_seq) )
{
//RT_TRACE(COMP_RX_REORDER, DBG_LOUD, ("CheckRxTsIndicateSeq(): Packet Drop! IndicateSeq: %d, NewSeq: %d\n", pTS->RxIndicateSeq, NewSeqNum));
//DbgPrint("CheckRxTsIndicateSeq(): Packet Drop! IndicateSeq: %d, NewSeq: %d\n", precvpriv->indicate_seq, seq_num);
#ifdef DBG_RX_DROP_FRAME
DBG_871X("%s IndicateSeq: %d > NewSeq: %d\n", __FUNCTION__,
preorder_ctrl->indicate_seq, seq_num);
#endif
return _FALSE;
}
//
// Sliding window manipulation. Conditions includes:
// 1. Incoming SeqNum is equal to WinStart =>Window shift 1
// 2. Incoming SeqNum is larger than the WinEnd => Window shift N
//
if( SN_EQUAL(seq_num, preorder_ctrl->indicate_seq) )
{
preorder_ctrl->indicate_seq = (preorder_ctrl->indicate_seq + 1) & 0xFFF;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d SN_EQUAL IndicateSeq: %d, NewSeq: %d\n", __FUNCTION__, __LINE__,
preorder_ctrl->indicate_seq, seq_num);
#endif
}
else if(SN_LESS(wend, seq_num))
{
//RT_TRACE(COMP_RX_REORDER, DBG_LOUD, ("CheckRxTsIndicateSeq(): Window Shift! IndicateSeq: %d, NewSeq: %d\n", pTS->RxIndicateSeq, NewSeqNum));
//DbgPrint("CheckRxTsIndicateSeq(): Window Shift! IndicateSeq: %d, NewSeq: %d\n", precvpriv->indicate_seq, seq_num);
// boundary situation, when seq_num cross 0xFFF
if(seq_num >= (wsize - 1))
preorder_ctrl->indicate_seq = seq_num + 1 -wsize;
else
preorder_ctrl->indicate_seq = 0xFFF - (wsize - (seq_num + 1)) + 1;
pdbgpriv->dbg_rx_ampdu_window_shift_cnt++;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d SN_LESS(wend, seq_num) IndicateSeq: %d, NewSeq: %d\n", __FUNCTION__, __LINE__,
preorder_ctrl->indicate_seq, seq_num);
#endif
}
//DbgPrint("exit->check_indicate_seq(): IndicateSeq: %d, NewSeq: %d\n", precvpriv->indicate_seq, seq_num);
return _TRUE;
}
int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, union recv_frame *prframe);
int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, union recv_frame *prframe)
{
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
_queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
_list *phead, *plist;
union recv_frame *pnextrframe;
struct rx_pkt_attrib *pnextattrib;
//DbgPrint("+enqueue_reorder_recvframe()\n");
//_enter_critical_ex(&ppending_recvframe_queue->lock, &irql);
//_rtw_spinlock_ex(&ppending_recvframe_queue->lock);
phead = get_list_head(ppending_recvframe_queue);
plist = get_next(phead);
while(rtw_end_of_queue_search(phead, plist) == _FALSE)
{
pnextrframe = LIST_CONTAINOR(plist, union recv_frame, u);
pnextattrib = &pnextrframe->u.hdr.attrib;
if(SN_LESS(pnextattrib->seq_num, pattrib->seq_num))
{
plist = get_next(plist);
}
else if( SN_EQUAL(pnextattrib->seq_num, pattrib->seq_num))
{
//Duplicate entry is found!! Do not insert current entry.
//RT_TRACE(COMP_RX_REORDER, DBG_TRACE, ("InsertRxReorderList(): Duplicate packet is dropped!! IndicateSeq: %d, NewSeq: %d\n", pTS->RxIndicateSeq, SeqNum));
//_exit_critical_ex(&ppending_recvframe_queue->lock, &irql);
return _FALSE;
}
else
{
break;
}
//DbgPrint("enqueue_reorder_recvframe():while\n");
}
//_enter_critical_ex(&ppending_recvframe_queue->lock, &irql);
//_rtw_spinlock_ex(&ppending_recvframe_queue->lock);
rtw_list_delete(&(prframe->u.hdr.list));
rtw_list_insert_tail(&(prframe->u.hdr.list), plist);
//_rtw_spinunlock_ex(&ppending_recvframe_queue->lock);
//_exit_critical_ex(&ppending_recvframe_queue->lock, &irql);
//RT_TRACE(COMP_RX_REORDER, DBG_TRACE, ("InsertRxReorderList(): Pkt insert into buffer!! IndicateSeq: %d, NewSeq: %d\n", pTS->RxIndicateSeq, SeqNum));
return _TRUE;
}
void recv_indicatepkts_pkt_loss_cnt(struct debug_priv *pdbgpriv, u64 prev_seq, u64 current_seq);
void recv_indicatepkts_pkt_loss_cnt(struct debug_priv *pdbgpriv, u64 prev_seq, u64 current_seq)
{
if(current_seq < prev_seq)
{
pdbgpriv->dbg_rx_ampdu_loss_count+= (4096 + current_seq - prev_seq);
}
else
{
pdbgpriv->dbg_rx_ampdu_loss_count+= (current_seq - prev_seq);
}
}
int recv_indicatepkts_in_order(_adapter *padapter, struct recv_reorder_ctrl *preorder_ctrl, int bforced);
int recv_indicatepkts_in_order(_adapter *padapter, struct recv_reorder_ctrl *preorder_ctrl, int bforced)
{
//_irqL irql;
//u8 bcancelled;
_list *phead, *plist;
union recv_frame *prframe;
struct rx_pkt_attrib *pattrib;
//u8 index = 0;
int bPktInBuf = _FALSE;
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
struct dvobj_priv *psdpriv = padapter->dvobj;
struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
DBG_COUNTER(padapter->rx_logs.core_rx_post_indicate_in_oder);
//DbgPrint("+recv_indicatepkts_in_order\n");
//_enter_critical_ex(&ppending_recvframe_queue->lock, &irql);
//_rtw_spinlock_ex(&ppending_recvframe_queue->lock);
phead = get_list_head(ppending_recvframe_queue);
plist = get_next(phead);
#if 0
// Check if there is any other indication thread running.
if(pTS->RxIndicateState == RXTS_INDICATE_PROCESSING)
return;
#endif
// Handling some condition for forced indicate case.
if(bforced==_TRUE)
{
pdbgpriv->dbg_rx_ampdu_forced_indicate_count++;
if(rtw_is_list_empty(phead))
{
// _exit_critical_ex(&ppending_recvframe_queue->lock, &irql);
//_rtw_spinunlock_ex(&ppending_recvframe_queue->lock);
return _TRUE;
}
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
pattrib = &prframe->u.hdr.attrib;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, NewSeq: %d\n", __FUNCTION__, __LINE__,
preorder_ctrl->indicate_seq, pattrib->seq_num);
#endif
recv_indicatepkts_pkt_loss_cnt(pdbgpriv,preorder_ctrl->indicate_seq,pattrib->seq_num);
preorder_ctrl->indicate_seq = pattrib->seq_num;
}
// Prepare indication list and indication.
// Check if there is any packet need indicate.
while(!rtw_is_list_empty(phead))
{
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
pattrib = &prframe->u.hdr.attrib;
if(!SN_LESS(preorder_ctrl->indicate_seq, pattrib->seq_num))
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_,
("recv_indicatepkts_in_order: indicate=%d seq=%d amsdu=%d\n",
preorder_ctrl->indicate_seq, pattrib->seq_num, pattrib->amsdu));
#if 0
// This protect buffer from overflow.
if(index >= REORDER_WIN_SIZE)
{
RT_ASSERT(FALSE, ("IndicateRxReorderList(): Buffer overflow!! \n"));
bPktInBuf = TRUE;
break;
}
#endif
plist = get_next(plist);
rtw_list_delete(&(prframe->u.hdr.list));
if(SN_EQUAL(preorder_ctrl->indicate_seq, pattrib->seq_num))
{
preorder_ctrl->indicate_seq = (preorder_ctrl->indicate_seq + 1) & 0xFFF;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, NewSeq: %d\n", __FUNCTION__, __LINE__,
preorder_ctrl->indicate_seq, pattrib->seq_num);
#endif
}
#if 0
index++;
if(index==1)
{
//Cancel previous pending timer.
//PlatformCancelTimer(Adapter, &pTS->RxPktPendingTimer);
if(bforced!=_TRUE)
{
//DBG_871X("_cancel_timer(&preorder_ctrl->reordering_ctrl_timer, &bcancelled);\n");
_cancel_timer(&preorder_ctrl->reordering_ctrl_timer, &bcancelled);
}
}
#endif
//Set this as a lock to make sure that only one thread is indicating packet.
//pTS->RxIndicateState = RXTS_INDICATE_PROCESSING;
// Indicate packets
//RT_ASSERT((index<=REORDER_WIN_SIZE), ("RxReorderIndicatePacket(): Rx Reorder buffer full!! \n"));
//indicate this recv_frame
//DbgPrint("recv_indicatepkts_in_order, indicate_seq=%d, seq_num=%d\n", precvpriv->indicate_seq, pattrib->seq_num);
if(!pattrib->amsdu)
{
//DBG_871X("recv_indicatepkts_in_order, amsdu!=1, indicate_seq=%d, seq_num=%d\n", preorder_ctrl->indicate_seq, pattrib->seq_num);
if (!RTW_CANNOT_RUN(padapter))
rtw_recv_indicatepkt(padapter, prframe);/*indicate this recv_frame*/
}
else if(pattrib->amsdu==1)
{
if(amsdu_to_msdu(padapter, prframe)!=_SUCCESS)
{
rtw_free_recvframe(prframe, &precvpriv->free_recv_queue);
}
}
else
{
//error condition;
}
//Update local variables.
bPktInBuf = _FALSE;
}
else
{
bPktInBuf = _TRUE;
break;
}
//DbgPrint("recv_indicatepkts_in_order():while\n");
}
//_rtw_spinunlock_ex(&ppending_recvframe_queue->lock);
//_exit_critical_ex(&ppending_recvframe_queue->lock, &irql);
/*
//Release the indication lock and set to new indication step.
if(bPktInBuf)
{
// Set new pending timer.
//pTS->RxIndicateState = RXTS_INDICATE_REORDER;
//PlatformSetTimer(Adapter, &pTS->RxPktPendingTimer, pHTInfo->RxReorderPendingTime);
//DBG_871X("_set_timer(&preorder_ctrl->reordering_ctrl_timer, REORDER_WAIT_TIME)\n");
_set_timer(&preorder_ctrl->reordering_ctrl_timer, REORDER_WAIT_TIME);
}
else
{
//pTS->RxIndicateState = RXTS_INDICATE_IDLE;
}
*/
//_exit_critical_ex(&ppending_recvframe_queue->lock, &irql);
//return _TRUE;
return bPktInBuf;
}
int recv_indicatepkt_reorder(_adapter *padapter, union recv_frame *prframe);
int recv_indicatepkt_reorder(_adapter *padapter, union recv_frame *prframe)
{
_irqL irql;
int retval = _SUCCESS;
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
struct recv_reorder_ctrl *preorder_ctrl = prframe->u.hdr.preorder_ctrl;
_queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
struct dvobj_priv *psdpriv = padapter->dvobj;
struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
DBG_COUNTER(padapter->rx_logs.core_rx_post_indicate_reoder);
if(!pattrib->amsdu)
{
//s1.
retval = wlanhdr_to_ethhdr(prframe);
if (retval != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("wlanhdr_to_ethhdr: drop pkt \n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s wlanhdr_to_ethhdr error!\n", __FUNCTION__);
#endif
return retval;
}
//if ((pattrib->qos!=1) /*|| pattrib->priority!=0 || IS_MCAST(pattrib->ra)*/
// || (pattrib->eth_type==0x0806) || (pattrib->ack_policy!=0))
if (pattrib->qos!=1)
{
if (!RTW_CANNOT_RUN(padapter)) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_, ("@@@@ recv_indicatepkt_reorder -recv_func recv_indicatepkt\n" ));
rtw_recv_indicatepkt(padapter, prframe);
return _SUCCESS;
}
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s pattrib->qos !=1\n", __FUNCTION__);
#endif
return _FAIL;
}
if (preorder_ctrl->enable == _FALSE)
{
//indicate this recv_frame
preorder_ctrl->indicate_seq = pattrib->seq_num;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, NewSeq: %d\n", __FUNCTION__, __LINE__,
preorder_ctrl->indicate_seq, pattrib->seq_num);
#endif
rtw_recv_indicatepkt(padapter, prframe);
preorder_ctrl->indicate_seq = (preorder_ctrl->indicate_seq + 1)%4096;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, NewSeq: %d\n", __FUNCTION__, __LINE__,
preorder_ctrl->indicate_seq, pattrib->seq_num);
#endif
return _SUCCESS;
}
#ifndef CONFIG_RECV_REORDERING_CTRL
//indicate this recv_frame
rtw_recv_indicatepkt(padapter, prframe);
return _SUCCESS;
#endif
}
else if(pattrib->amsdu==1) //temp filter -> means didn't support A-MSDUs in a A-MPDU
{
if (preorder_ctrl->enable == _FALSE)
{
preorder_ctrl->indicate_seq = pattrib->seq_num;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, NewSeq: %d\n", __FUNCTION__, __LINE__,
preorder_ctrl->indicate_seq, pattrib->seq_num);
#endif
retval = amsdu_to_msdu(padapter, prframe);
preorder_ctrl->indicate_seq = (preorder_ctrl->indicate_seq + 1)%4096;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, NewSeq: %d\n", __FUNCTION__, __LINE__,
preorder_ctrl->indicate_seq, pattrib->seq_num);
#endif
if(retval != _SUCCESS){
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s amsdu_to_msdu fail\n", __FUNCTION__);
#endif
}
return retval;
}
}
else
{
}
_enter_critical_bh(&ppending_recvframe_queue->lock, &irql);
RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_,
("recv_indicatepkt_reorder: indicate=%d seq=%d\n",
preorder_ctrl->indicate_seq, pattrib->seq_num));
//s2. check if winstart_b(indicate_seq) needs to been updated
if(!check_indicate_seq(preorder_ctrl, pattrib->seq_num))
{
pdbgpriv->dbg_rx_ampdu_drop_count++;
//pHTInfo->RxReorderDropCounter++;
//ReturnRFDList(Adapter, pRfd);
//RT_TRACE(COMP_RX_REORDER, DBG_TRACE, ("RxReorderIndicatePacket() ==> Packet Drop!!\n"));
//_exit_critical_ex(&ppending_recvframe_queue->lock, &irql);
//return _FAIL;
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s check_indicate_seq fail\n", __FUNCTION__);
#endif
#if 0
rtw_recv_indicatepkt(padapter, prframe);
_exit_critical_bh(&ppending_recvframe_queue->lock, &irql);
goto _success_exit;
#else
goto _err_exit;
#endif
}
//s3. Insert all packet into Reorder Queue to maintain its ordering.
if(!enqueue_reorder_recvframe(preorder_ctrl, prframe))
{
//DbgPrint("recv_indicatepkt_reorder, enqueue_reorder_recvframe fail!\n");
//_exit_critical_ex(&ppending_recvframe_queue->lock, &irql);
//return _FAIL;
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s enqueue_reorder_recvframe fail\n", __FUNCTION__);
#endif
goto _err_exit;
}
//s4.
// Indication process.
// After Packet dropping and Sliding Window shifting as above, we can now just indicate the packets
// with the SeqNum smaller than latest WinStart and buffer other packets.
//
// For Rx Reorder condition:
// 1. All packets with SeqNum smaller than WinStart => Indicate
// 2. All packets with SeqNum larger than or equal to WinStart => Buffer it.
//
//recv_indicatepkts_in_order(padapter, preorder_ctrl, _TRUE);
if(recv_indicatepkts_in_order(padapter, preorder_ctrl, _FALSE)==_TRUE)
{
if (!preorder_ctrl->bReorderWaiting) {
preorder_ctrl->bReorderWaiting = _TRUE;
_set_timer(&preorder_ctrl->reordering_ctrl_timer, REORDER_WAIT_TIME);
}
_exit_critical_bh(&ppending_recvframe_queue->lock, &irql);
}
else
{
preorder_ctrl->bReorderWaiting = _FALSE;
_exit_critical_bh(&ppending_recvframe_queue->lock, &irql);
_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
}
_success_exit:
return _SUCCESS;
_err_exit:
_exit_critical_bh(&ppending_recvframe_queue->lock, &irql);
return _FAIL;
}
void rtw_reordering_ctrl_timeout_handler(void *pcontext)
{
_irqL irql;
struct recv_reorder_ctrl *preorder_ctrl = (struct recv_reorder_ctrl *)pcontext;
_adapter *padapter = preorder_ctrl->padapter;
_queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
if (RTW_CANNOT_RUN(padapter))
return;
//DBG_871X("+rtw_reordering_ctrl_timeout_handler()=>\n");
_enter_critical_bh(&ppending_recvframe_queue->lock, &irql);
if (preorder_ctrl) {
preorder_ctrl->bReorderWaiting = _FALSE;
}
if(recv_indicatepkts_in_order(padapter, preorder_ctrl, _TRUE)==_TRUE)
{
_set_timer(&preorder_ctrl->reordering_ctrl_timer, REORDER_WAIT_TIME);
}
_exit_critical_bh(&ppending_recvframe_queue->lock, &irql);
}
int process_recv_indicatepkts(_adapter *padapter, union recv_frame *prframe);
int process_recv_indicatepkts(_adapter *padapter, union recv_frame *prframe)
{
int retval = _SUCCESS;
//struct recv_priv *precvpriv = &padapter->recvpriv;
//struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
#ifdef CONFIG_TDLS
struct sta_info *psta = prframe->u.hdr.psta;
#endif //CONFIG_TDLS
#ifdef CONFIG_80211N_HT
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
DBG_COUNTER(padapter->rx_logs.core_rx_post_indicate);
#ifdef CONFIG_TDLS
if( (phtpriv->ht_option==_TRUE) ||
((psta->tdls_sta_state & TDLS_LINKED_STATE) &&
(psta->htpriv.ht_option==_TRUE) &&
(psta->htpriv.ampdu_enable==_TRUE))) //B/G/N Mode
#else
if(phtpriv->ht_option==_TRUE) //B/G/N Mode
#endif //CONFIG_TDLS
{
//prframe->u.hdr.preorder_ctrl = &precvpriv->recvreorder_ctrl[pattrib->priority];
if(recv_indicatepkt_reorder(padapter, prframe)!=_SUCCESS)// including perform A-MPDU Rx Ordering Buffer Control
{
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s recv_indicatepkt_reorder error!\n", __FUNCTION__);
#endif
if (!RTW_CANNOT_RUN(padapter)) {
retval = _FAIL;
return retval;
}
}
}
else //B/G mode
#endif
{
retval=wlanhdr_to_ethhdr (prframe);
if(retval != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("wlanhdr_to_ethhdr: drop pkt \n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s wlanhdr_to_ethhdr error!\n", __FUNCTION__);
#endif
return retval;
}
if (!RTW_CANNOT_RUN(padapter)) {
//indicate this recv_frame
RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_, ("@@@@ process_recv_indicatepkts- recv_func recv_indicatepkt\n" ));
rtw_recv_indicatepkt(padapter, prframe);
}
else
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_, ("@@@@ process_recv_indicatepkts- recv_func free_indicatepkt\n" ));
RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_, ("recv_func:bDriverStopped(%s) OR bSurpriseRemoved(%s)"
, rtw_is_drv_stopped(padapter)?"True":"False"
, rtw_is_surprise_removed(padapter)?"True":"False"));
retval = _FAIL;
return retval;
}
}
return retval;
}
#ifdef CONFIG_MP_INCLUDED
int validate_mp_recv_frame(_adapter *adapter, union recv_frame *precv_frame)
{
int ret = _SUCCESS;
u8 *ptr = precv_frame->u.hdr.rx_data;
u8 type,subtype;
struct mp_priv *pmppriv = &adapter->mppriv;
struct mp_tx *pmptx;
pmptx = &pmppriv->tx;
#if 0
if (1){
u8 bDumpRxPkt;
type = GetFrameType(ptr);
subtype = GetFrameSubType(ptr); //bit(7)~bit(2)
rtw_hal_get_def_var(adapter, HAL_DEF_DBG_DUMP_RXPKT, &(bDumpRxPkt));
if(bDumpRxPkt ==1){//dump all rx packets
int i;
DBG_871X("############ type:0x%02x subtype:0x%02x ################# \n",type,subtype);
for(i=0; i<64;i=i+8)
DBG_871X("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:\n", *(ptr+i),
*(ptr+i+1), *(ptr+i+2) ,*(ptr+i+3) ,*(ptr+i+4),*(ptr+i+5), *(ptr+i+6), *(ptr+i+7));
DBG_871X("#############################\n");
}
}
#endif
if (pmppriv->bloopback) {
if (_rtw_memcmp(ptr + 24, pmptx->buf + 24, precv_frame->u.hdr.len - 24) == _FALSE) {
DBG_871X("Compare payload content Fail !!!\n");
ret = _FAIL;
}
}
if (!adapter->mppriv.bmac_filter)
return ret;
if(_rtw_memcmp( GetAddr2Ptr(ptr), adapter->mppriv.mac_filter, ETH_ALEN) == _FALSE )
ret = _FAIL;
return ret;
}
#endif
static sint MPwlanhdr_to_ethhdr ( union recv_frame *precvframe)
{
sint rmv_len;
u16 eth_type, len;
u8 bsnaphdr;
u8 *psnap_type;
u8 mcastheadermac[]={0x01,0x00,0x5e};
struct ieee80211_snap_hdr *psnap;
sint ret=_SUCCESS;
_adapter *adapter =precvframe->u.hdr.adapter;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *ptr = get_recvframe_data(precvframe) ; // point to frame_ctrl field
struct rx_pkt_attrib *pattrib = & precvframe->u.hdr.attrib;
_func_enter_;
if(pattrib->encrypt){
recvframe_pull_tail(precvframe, pattrib->icv_len);
}
psnap=(struct ieee80211_snap_hdr *)(ptr+pattrib->hdrlen + pattrib->iv_len);
psnap_type=ptr+pattrib->hdrlen + pattrib->iv_len+SNAP_SIZE;
/* convert hdr + possible LLC headers into Ethernet header */
//eth_type = (psnap_type[0] << 8) | psnap_type[1];
if((_rtw_memcmp(psnap, rtw_rfc1042_header, SNAP_SIZE) &&
(_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_IPX, 2) == _FALSE) &&
(_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_APPLETALK_AARP, 2)==_FALSE) )||
//eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) ||
_rtw_memcmp(psnap, rtw_bridge_tunnel_header, SNAP_SIZE)){
/* remove RFC1042 or Bridge-Tunnel encapsulation and replace EtherType */
bsnaphdr = _TRUE;
}
else {
/* Leave Ethernet header part of hdr and full payload */
bsnaphdr = _FALSE;
}
rmv_len = pattrib->hdrlen + pattrib->iv_len +(bsnaphdr?SNAP_SIZE:0);
len = precvframe->u.hdr.len - rmv_len;
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("\n===pattrib->hdrlen: %x, pattrib->iv_len:%x ===\n\n", pattrib->hdrlen, pattrib->iv_len));
_rtw_memcpy(&eth_type, ptr+rmv_len, 2);
eth_type= ntohs((unsigned short )eth_type); //pattrib->ether_type
pattrib->eth_type = eth_type;
{
ptr = recvframe_pull(precvframe, (rmv_len-sizeof(struct ethhdr)+ (bsnaphdr?2:0)));
}
_rtw_memcpy(ptr, pattrib->dst, ETH_ALEN);
_rtw_memcpy(ptr+ETH_ALEN, pattrib->src, ETH_ALEN);
if(!bsnaphdr) {
len = htons(len);
_rtw_memcpy(ptr+12, &len, 2);
}
len = htons(pattrib->seq_num);
//DBG_871X("wlan seq = %d ,seq_num =%x\n",len,pattrib->seq_num);
_rtw_memcpy(ptr+12,&len, 2);
if(adapter->mppriv.bRTWSmbCfg==_TRUE)
{
// if(_rtw_memcmp(mcastheadermac, pattrib->dst, 3) == _TRUE)//SimpleConfig Dest.
// _rtw_memcpy(ptr+ETH_ALEN, pattrib->bssid, ETH_ALEN);
if(_rtw_memcmp(mcastheadermac, pattrib->bssid, 3) == _TRUE) //SimpleConfig Dest.
_rtw_memcpy(ptr, pattrib->bssid, ETH_ALEN);
}
_func_exit_;
return ret;
}
int mp_recv_frame(_adapter *padapter, union recv_frame *rframe)
{
int ret = _SUCCESS;
struct rx_pkt_attrib *pattrib = &rframe->u.hdr.attrib;
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
#ifdef CONFIG_MP_INCLUDED
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mp_priv *pmppriv = &padapter->mppriv;
#endif //CONFIG_MP_INCLUDED
u8 type;
u8 *ptr = rframe->u.hdr.rx_data;
u8 *psa, *pda, *pbssid;
struct sta_info *psta = NULL;
DBG_COUNTER(padapter->rx_logs.core_rx_pre);
if ( (check_fwstate(pmlmepriv, _FW_LINKED) == _TRUE) )//&&(padapter->mppriv.check_mp_pkt == 0))
{
if (pattrib->crc_err == 1){
padapter->mppriv.rx_crcerrpktcount++;
}
else{
if(_SUCCESS == validate_mp_recv_frame(padapter, rframe))
padapter->mppriv.rx_pktcount++;
else
padapter->mppriv.rx_pktcount_filter_out++;
}
if(pmppriv->rx_bindicatePkt == _FALSE)
{
//RT_TRACE(_module_rtl871x_recv_c_, _drv_alert_, ("MP - Not in loopback mode , drop pkt \n"));
ret = _FAIL;
rtw_free_recvframe(rframe, pfree_recv_queue);//free this recv_frame
goto exit;
}
else
{
type = GetFrameType(ptr);
pattrib->to_fr_ds = get_tofr_ds(ptr);
pattrib->frag_num = GetFragNum(ptr);
pattrib->seq_num = GetSequence(ptr);
pattrib->pw_save = GetPwrMgt(ptr);
pattrib->mfrag = GetMFrag(ptr);
pattrib->mdata = GetMData(ptr);
pattrib->privacy = GetPrivacy(ptr);
pattrib->order = GetOrder(ptr);
if(type ==WIFI_DATA_TYPE)
{
pda = get_da(ptr);
psa = get_sa(ptr);
pbssid = get_hdr_bssid(ptr);
_rtw_memcpy(pattrib->dst, pda, ETH_ALEN);
_rtw_memcpy(pattrib->src, psa, ETH_ALEN);
_rtw_memcpy(pattrib->bssid, pbssid, ETH_ALEN);
switch(pattrib->to_fr_ds)
{
case 0:
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
ret = sta2sta_data_frame(padapter, rframe, &psta);
break;
case 1:
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
_rtw_memcpy(pattrib->ta, pbssid, ETH_ALEN);
ret = ap2sta_data_frame(padapter, rframe, &psta);
break;
case 2:
_rtw_memcpy(pattrib->ra, pbssid, ETH_ALEN);
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
ret = sta2ap_data_frame(padapter, rframe, &psta);
break;
case 3:
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
_rtw_memcpy(pattrib->ta, GetAddr2Ptr(ptr), ETH_ALEN);
ret =_FAIL;
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,(" case 3\n"));
break;
default:
ret =_FAIL;
break;
}
ret = MPwlanhdr_to_ethhdr (rframe);
if (ret != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("wlanhdr_to_ethhdr: drop pkt \n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s wlanhdr_to_ethhdr: drop pkt\n", __FUNCTION__);
#endif
rtw_free_recvframe(rframe, pfree_recv_queue);//free this recv_frame
ret = _FAIL;
goto exit;
}
if (!RTW_CANNOT_RUN(padapter)) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_alert_, ("@@@@ recv_func: recv_func rtw_recv_indicatepkt\n" ));
//indicate this recv_frame
ret = rtw_recv_indicatepkt(padapter, rframe);
if (ret != _SUCCESS)
{
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s rtw_recv_indicatepkt fail!\n", __FUNCTION__);
#endif
rtw_free_recvframe(rframe, pfree_recv_queue);//free this recv_frame
ret = _FAIL;
goto exit;
}
}
else
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_alert_, ("@@@@ recv_func: rtw_free_recvframe\n" ));
RT_TRACE(_module_rtl871x_recv_c_, _drv_debug_, ("recv_func:bDriverStopped(%s) OR bSurpriseRemoved(%s)"
, rtw_is_drv_stopped(padapter)?"True":"False"
, rtw_is_surprise_removed(padapter)?"True":"False"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s ecv_func:bDriverStopped(%s) OR bSurpriseRemoved(%s)\n", __func__,
rtw_is_drv_stopped(padapter)?"True":"False",
rtw_is_surprise_removed(padapter)?"True":"False");
#endif
ret = _FAIL;
rtw_free_recvframe(rframe, pfree_recv_queue);//free this recv_frame
goto exit;
}
}
}
}
RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("recv_func: validate_recv_frame fail! drop pkt\n"));
rtw_free_recvframe(rframe, pfree_recv_queue);//free this recv_frame
ret = _FAIL;
exit:
return ret;
}
static sint fill_radiotap_hdr(_adapter *padapter, union recv_frame *precvframe, u8 *buf)
{
#define CHAN2FREQ(a) ((a < 14)?(2407+5*a):(5000+5*a))
#if 0
#define RTW_RX_RADIOTAP_PRESENT ( \
(1 << IEEE80211_RADIOTAP_TSFT) | \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(0 << IEEE80211_RADIOTAP_FHSS) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | \
(0 << IEEE80211_RADIOTAP_LOCK_QUALITY) | \
(0 << IEEE80211_RADIOTAP_TX_ATTENUATION) | \
(0 << IEEE80211_RADIOTAP_DB_TX_ATTENUATION) | \
(0 << IEEE80211_RADIOTAP_DBM_TX_POWER) | \
(1 << IEEE80211_RADIOTAP_ANTENNA) | \
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
(0 << IEEE80211_RADIOTAP_DB_ANTNOISE) | \
(0 << IEEE80211_RADIOTAP_RX_FLAGS) | \
(0 << IEEE80211_RADIOTAP_TX_FLAGS) | \
(0 << IEEE80211_RADIOTAP_RTS_RETRIES) | \
(0 << IEEE80211_RADIOTAP_DATA_RETRIES) | \
(0 << IEEE80211_RADIOTAP_MCS) | \
(0 << IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE)| \
(0 << IEEE80211_RADIOTAP_VENDOR_NAMESPACE) | \
(0 << IEEE80211_RADIOTAP_EXT) | \
0)
/* (0 << IEEE80211_RADIOTAP_AMPDU_STATUS) | \ */
/* (0 << IEEE80211_RADIOTAP_VHT) | \ */
#endif
#ifndef IEEE80211_RADIOTAP_MCS
#define IEEE80211_RADIOTAP_MCS 19
#endif
#ifndef IEEE80211_RADIOTAP_VHT
#define IEEE80211_RADIOTAP_VHT 21
#endif
#ifndef IEEE80211_RADIOTAP_F_BADFCS
#define IEEE80211_RADIOTAP_F_BADFCS 0x40 /* bad FCS */
#endif
sint ret = _SUCCESS;
_adapter *adapter = precvframe->u.hdr.adapter;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
u16 tmp_16bit = 0;
u8 data_rate[] = {
2, 4, 11, 22, /* CCK */
12, 18, 24, 36, 48, 72, 93, 108, /* OFDM */
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* HT MCS index */
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, /* VHT Nss 1 */
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, /* VHT Nss 2 */
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, /* VHT Nss 3 */
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, /* VHT Nss 4 */
};
_pkt *pskb = NULL;
struct ieee80211_radiotap_header *rtap_hdr = NULL;
u8 *ptr = NULL;
u8 hdr_buf[64] = {0};
u16 rt_len = 8;
/* create header */
rtap_hdr = (struct ieee80211_radiotap_header *)&hdr_buf[0];
rtap_hdr->it_version = PKTHDR_RADIOTAP_VERSION;
/* tsft */
if (pattrib->tsfl) {
u64 tmp_64bit;
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_TSFT);
tmp_64bit = cpu_to_le64(pattrib->tsfl);
memcpy(&hdr_buf[rt_len], &tmp_64bit, 8);
rt_len += 8;
}
/* flags */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_FLAGS);
if (0)
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_CFP;
if (0)
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_SHORTPRE;
if ((pattrib->encrypt == 1) || (pattrib->encrypt == 5))
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_WEP;
if (pattrib->mfrag)
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_FRAG;
/* always append FCS */
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_FCS;
if (0)
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_DATAPAD;
if (pattrib->crc_err)
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_BADFCS;
if (pattrib->sgi) {
/* Currently unspecified but used */
hdr_buf[rt_len] |= 0x80;
}
rt_len += 1;
/* rate */
if (pattrib->data_rate < 12) {
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_RATE);
if (pattrib->data_rate < 4) {
/* CCK */
hdr_buf[rt_len] = data_rate[pattrib->data_rate];
} else {
/* OFDM */
hdr_buf[rt_len] = data_rate[pattrib->data_rate];
}
}
rt_len += 1; /* force padding 1 byte for aligned */
/* channel */
tmp_16bit = 0;
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_CHANNEL);
tmp_16bit = CHAN2FREQ(rtw_get_oper_ch(padapter));
/*tmp_16bit = CHAN2FREQ(pHalData->CurrentChannel);*/
memcpy(&hdr_buf[rt_len], &tmp_16bit, 2);
rt_len += 2;
/* channel flags */
tmp_16bit = 0;
if (pHalData->CurrentBandType == 0)
tmp_16bit |= cpu_to_le16(IEEE80211_CHAN_2GHZ);
else
tmp_16bit |= cpu_to_le16(IEEE80211_CHAN_5GHZ);
if (pattrib->data_rate < 12) {
if (pattrib->data_rate < 4) {
/* CCK */
tmp_16bit |= cpu_to_le16(IEEE80211_CHAN_CCK);
} else {
/* OFDM */
tmp_16bit |= cpu_to_le16(IEEE80211_CHAN_OFDM);
}
} else {
tmp_16bit |= cpu_to_le16(IEEE80211_CHAN_DYN);
}
memcpy(&hdr_buf[rt_len], &tmp_16bit, 2);
rt_len += 2;
/* dBm Antenna Signal */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL);
hdr_buf[rt_len] = pattrib->phy_info.RecvSignalPower;
rt_len += 1;
#if 0
/* dBm Antenna Noise */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE);
hdr_buf[rt_len] = 0;
rt_len += 1;
/* Signal Quality */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_LOCK_QUALITY);
hdr_buf[rt_len] = pattrib->phy_info.SignalQuality;
rt_len += 1;
#endif
/* Antenna */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_ANTENNA);
hdr_buf[rt_len] = 0; /* pHalData->rf_type; */
rt_len += 1;
/* RX flags */
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_RX_FLAGS);
#if 0
tmp_16bit = cpu_to_le16(0);
memcpy(ptr, &tmp_16bit, 1);
#endif
rt_len += 2;
/* MCS information */
if (pattrib->data_rate >= 12 && pattrib->data_rate < 44) {
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_MCS);
/* known, flag */
hdr_buf[rt_len] |= BIT1; /* MCS index known */
/* bandwidth */
hdr_buf[rt_len] |= BIT0;
hdr_buf[rt_len+1] |= (pattrib->bw & 0x03);
/* guard interval */
hdr_buf[rt_len] |= BIT2;
hdr_buf[rt_len+1] |= (pattrib->sgi & 0x01) << 2;
/* STBC */
hdr_buf[rt_len] |= BIT5;
hdr_buf[rt_len+1] |= (pattrib->stbc & 0x03) << 5;
rt_len += 2;
/* MCS rate index */
hdr_buf[rt_len] = data_rate[pattrib->data_rate];
rt_len += 1;
}
/* VHT */
if (pattrib->data_rate >= 44 && pattrib->data_rate < 84) {
rtap_hdr->it_present |= (1 << IEEE80211_RADIOTAP_VHT);
/* known 16 bit, flag 8 bit */
tmp_16bit = 0;
/* Bandwidth */
tmp_16bit |= BIT6;
/* Group ID */
tmp_16bit |= BIT7;
/* Partial AID */
tmp_16bit |= BIT8;
/* STBC */
tmp_16bit |= BIT0;
hdr_buf[rt_len+2] |= (pattrib->stbc & 0x01);
/* Guard interval */
tmp_16bit |= BIT2;
hdr_buf[rt_len+2] |= (pattrib->sgi & 0x01) << 2;
/* LDPC extra OFDM symbol */
tmp_16bit |= BIT4;
hdr_buf[rt_len+2] |= (pattrib->ldpc & 0x01) << 4;
memcpy(&hdr_buf[rt_len], &tmp_16bit, 2);
rt_len += 3;
/* bandwidth */
if (pattrib->bw == 0)
hdr_buf[rt_len] |= 0;
else if (pattrib->bw == 1)
hdr_buf[rt_len] |= 1;
else if (pattrib->bw == 2)
hdr_buf[rt_len] |= 4;
else if (pattrib->bw == 3)
hdr_buf[rt_len] |= 11;
rt_len += 1;
/* mcs_nss */
if (pattrib->data_rate >= 44 && pattrib->data_rate < 54) {
hdr_buf[rt_len] |= 1;
hdr_buf[rt_len] |= data_rate[pattrib->data_rate] << 4;
} else if (pattrib->data_rate >= 54 && pattrib->data_rate < 64) {
hdr_buf[rt_len + 1] |= 2;
hdr_buf[rt_len + 1] |= data_rate[pattrib->data_rate] << 4;
} else if (pattrib->data_rate >= 64 && pattrib->data_rate < 74) {
hdr_buf[rt_len + 2] |= 3;
hdr_buf[rt_len + 2] |= data_rate[pattrib->data_rate] << 4;
} else if (pattrib->data_rate >= 74 && pattrib->data_rate < 84) {
hdr_buf[rt_len + 3] |= 4;
hdr_buf[rt_len + 3] |= data_rate[pattrib->data_rate] << 4;
}
rt_len += 4;
/* coding */
hdr_buf[rt_len] = 0;
rt_len += 1;
/* group_id */
hdr_buf[rt_len] = 0;
rt_len += 1;
/* partial_aid */
tmp_16bit = 0;
memcpy(&hdr_buf[rt_len], &tmp_16bit, 2);
rt_len += 2;
}
/* push to skb */
pskb = (_pkt *)buf;
if (skb_headroom(pskb) < rt_len) {
DBG_871X("%s:%d %s headroom is too small.\n", __FILE__, __LINE__, __func__);
ret = _FAIL;
return ret;
}
ptr = skb_push(pskb, rt_len);
if (ptr) {
rtap_hdr->it_len = cpu_to_le16(rt_len);
memcpy(ptr, rtap_hdr, rt_len);
} else {
ret = _FAIL;
}
return ret;
}
int recv_frame_monitor(_adapter *padapter, union recv_frame *rframe)
{
int ret = _SUCCESS;
struct rx_pkt_attrib *pattrib = &rframe->u.hdr.attrib;
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
_pkt *pskb = NULL;
/* read skb information from recv frame */
pskb = rframe->u.hdr.pkt;
pskb->len = rframe->u.hdr.len;
pskb->data = rframe->u.hdr.rx_data;
skb_set_tail_pointer(pskb, rframe->u.hdr.len);
/* fill radiotap header */
if (fill_radiotap_hdr(padapter, rframe, (u8 *)pskb) == _FAIL) {
ret = _FAIL;
rtw_free_recvframe(rframe, pfree_recv_queue); /* free this recv_frame */
goto exit;
}
/* write skb information to recv frame */
skb_reset_mac_header(pskb);
rframe->u.hdr.len = pskb->len;
rframe->u.hdr.rx_data = pskb->data;
rframe->u.hdr.rx_head = pskb->head;
rframe->u.hdr.rx_tail = skb_tail_pointer(pskb);
rframe->u.hdr.rx_end = skb_end_pointer(pskb);
if (!RTW_CANNOT_RUN(padapter)) {
/* indicate this recv_frame */
ret = rtw_recv_monitor(padapter, rframe);
if (ret != _SUCCESS) {
ret = _FAIL;
rtw_free_recvframe(rframe, pfree_recv_queue); /* free this recv_frame */
goto exit;
}
} else {
ret = _FAIL;
rtw_free_recvframe(rframe, pfree_recv_queue); /* free this recv_frame */
goto exit;
}
exit:
return ret;
}
int recv_func_prehandle(_adapter *padapter, union recv_frame *rframe)
{
int ret = _SUCCESS;
struct rx_pkt_attrib *pattrib = &rframe->u.hdr.attrib;
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
#ifdef DBG_RX_COUNTER_DUMP
if( padapter->dump_rx_cnt_mode & DUMP_DRV_RX_COUNTER )
{
if (pattrib->crc_err == 1)
padapter->drv_rx_cnt_crcerror++;
else
padapter->drv_rx_cnt_ok++;
}
#endif
#ifdef CONFIG_MP_INCLUDED
if (padapter->registrypriv.mp_mode == 1 || padapter->mppriv.bRTWSmbCfg ==_TRUE)
{
mp_recv_frame(padapter,rframe);
ret = _FAIL;
goto exit;
}
else
#endif
{
//check the frame crtl field and decache
ret = validate_recv_frame(padapter, rframe);
if (ret != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("recv_func: validate_recv_frame fail! drop pkt\n"));
rtw_free_recvframe(rframe, pfree_recv_queue);//free this recv_frame
goto exit;
}
}
exit:
return ret;
}
int recv_func_posthandle(_adapter *padapter, union recv_frame *prframe)
{
int ret = _SUCCESS;
union recv_frame *orig_prframe = prframe;
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
struct recv_priv *precvpriv = &padapter->recvpriv;
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
#ifdef CONFIG_TDLS
u8 *psnap_type, *pcategory;
#endif //CONFIG_TDLS
DBG_COUNTER(padapter->rx_logs.core_rx_post);
// DATA FRAME
rtw_led_control(padapter, LED_CTL_RX);
prframe = decryptor(padapter, prframe);
if (prframe == NULL) {
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("decryptor: drop pkt\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s decryptor: drop pkt\n", __FUNCTION__);
#endif
ret = _FAIL;
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_err);
goto _recv_data_drop;
}
#if 0
if ( padapter->adapter_type == PRIMARY_ADAPTER )
{
DBG_871X("+++\n");
{
int i;
u8 *ptr = get_recvframe_data(prframe);
for(i=0; i<140;i=i+8)
DBG_871X("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:", *(ptr+i),
*(ptr+i+1), *(ptr+i+2) ,*(ptr+i+3) ,*(ptr+i+4),*(ptr+i+5), *(ptr+i+6), *(ptr+i+7));
}
DBG_871X("---\n");
}
#endif
#ifdef CONFIG_TDLS
//check TDLS frame
psnap_type = get_recvframe_data(orig_prframe) + pattrib->hdrlen + pattrib->iv_len+SNAP_SIZE;
pcategory = psnap_type + ETH_TYPE_LEN + PAYLOAD_TYPE_LEN;
if((_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_TDLS, ETH_TYPE_LEN)) &&
((*pcategory==RTW_WLAN_CATEGORY_TDLS) || (*pcategory==RTW_WLAN_CATEGORY_P2P))){
ret = OnTDLS(padapter, prframe);
if(ret == _FAIL)
goto _exit_recv_func;
}
#endif //CONFIG_TDLS
prframe = recvframe_chk_defrag(padapter, prframe);
if(prframe==NULL) {
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvframe_chk_defrag: drop pkt\n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s recvframe_chk_defrag: drop pkt\n", __FUNCTION__);
#endif
DBG_COUNTER(padapter->rx_logs.core_rx_post_defrag_err);
goto _recv_data_drop;
}
prframe=portctrl(padapter, prframe);
if (prframe == NULL) {
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("portctrl: drop pkt \n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s portctrl: drop pkt\n", __FUNCTION__);
#endif
ret = _FAIL;
DBG_COUNTER(padapter->rx_logs.core_rx_post_portctrl_err);
goto _recv_data_drop;
}
count_rx_stats(padapter, prframe, NULL);
#ifdef CONFIG_WAPI_SUPPORT
rtw_wapi_update_info(padapter, prframe);
#endif
#ifdef CONFIG_80211N_HT
ret = process_recv_indicatepkts(padapter, prframe);
if (ret != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recv_func: process_recv_indicatepkts fail! \n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s process_recv_indicatepkts fail!\n", __FUNCTION__);
#endif
rtw_free_recvframe(orig_prframe, pfree_recv_queue);//free this recv_frame
DBG_COUNTER(padapter->rx_logs.core_rx_post_indicate_err);
goto _recv_data_drop;
}
#else // CONFIG_80211N_HT
if (!pattrib->amsdu)
{
ret = wlanhdr_to_ethhdr (prframe);
if (ret != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("wlanhdr_to_ethhdr: drop pkt \n"));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s wlanhdr_to_ethhdr: drop pkt\n", __FUNCTION__);
#endif
rtw_free_recvframe(orig_prframe, pfree_recv_queue);//free this recv_frame
goto _recv_data_drop;
}
if (!RTW_CANNOT_RUN(padapter)) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_alert_, ("@@@@ recv_func: recv_func rtw_recv_indicatepkt\n" ));
//indicate this recv_frame
ret = rtw_recv_indicatepkt(padapter, prframe);
if (ret != _SUCCESS)
{
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s rtw_recv_indicatepkt fail!\n", __FUNCTION__);
#endif
goto _recv_data_drop;
}
}
else
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_alert_, ("@@@@ recv_func: rtw_free_recvframe\n" ));
RT_TRACE(_module_rtl871x_recv_c_, _drv_debug_, ("recv_func:bDriverStopped(%d) OR bSurpriseRemoved(%d)", padapter->bDriverStopped, padapter->bSurpriseRemoved));
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s ecv_func:bDriverStopped(%s) OR bSurpriseRemoved(%s)\n", __func__
, rtw_is_drv_stopped(padapter)?"True":"False"
, rtw_is_surprise_removed(padapter)?"True":"False");
#endif
ret = _FAIL;
rtw_free_recvframe(orig_prframe, pfree_recv_queue); //free this recv_frame
}
}
else if(pattrib->amsdu==1)
{
ret = amsdu_to_msdu(padapter, prframe);
if(ret != _SUCCESS)
{
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s amsdu_to_msdu fail\n", __FUNCTION__);
#endif
rtw_free_recvframe(orig_prframe, pfree_recv_queue);
goto _recv_data_drop;
}
}
else
{
#ifdef DBG_RX_DROP_FRAME
DBG_871X("DBG_RX_DROP_FRAME %s what is this condition??\n", __FUNCTION__);
#endif
goto _recv_data_drop;
}
#endif // CONFIG_80211N_HT
_exit_recv_func:
return ret;
_recv_data_drop:
precvpriv->rx_drop++;
return ret;
}
int recv_func(_adapter *padapter, union recv_frame *rframe);
int recv_func(_adapter *padapter, union recv_frame *rframe)
{
int ret;
struct rx_pkt_attrib *prxattrib = &rframe->u.hdr.attrib;
struct recv_priv *recvpriv = &padapter->recvpriv;
struct security_priv *psecuritypriv=&padapter->securitypriv;
struct mlme_priv *mlmepriv = &padapter->mlmepriv;
if (check_fwstate(mlmepriv, WIFI_MONITOR_STATE)) {
/* monitor mode */
recv_frame_monitor(padapter, rframe);
ret = _SUCCESS;
goto exit;
} else
/* check if need to handle uc_swdec_pending_queue*/
if (check_fwstate(mlmepriv, WIFI_STATION_STATE) && psecuritypriv->busetkipkey)
{
union recv_frame *pending_frame;
int cnt = 0;
while((pending_frame=rtw_alloc_recvframe(&padapter->recvpriv.uc_swdec_pending_queue))) {
cnt++;
DBG_COUNTER(padapter->rx_logs.core_rx_dequeue);
recv_func_posthandle(padapter, pending_frame);
}
if (cnt)
DBG_871X(FUNC_ADPT_FMT" dequeue %d from uc_swdec_pending_queue\n",
FUNC_ADPT_ARG(padapter), cnt);
}
DBG_COUNTER(padapter->rx_logs.core_rx);
ret = recv_func_prehandle(padapter, rframe);
if(ret == _SUCCESS) {
/* check if need to enqueue into uc_swdec_pending_queue*/
if (check_fwstate(mlmepriv, WIFI_STATION_STATE) &&
!IS_MCAST(prxattrib->ra) && prxattrib->encrypt>0 &&
(prxattrib->bdecrypted == 0 ||psecuritypriv->sw_decrypt == _TRUE) &&
psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPAPSK &&
!psecuritypriv->busetkipkey)
{
DBG_COUNTER(padapter->rx_logs.core_rx_enqueue);
rtw_enqueue_recvframe(rframe, &padapter->recvpriv.uc_swdec_pending_queue);
//DBG_871X("%s: no key, enqueue uc_swdec_pending_queue\n", __func__);
if (recvpriv->free_recvframe_cnt < NR_RECVFRAME/4) {
/* to prevent from recvframe starvation, get recvframe from uc_swdec_pending_queue to free_recvframe_cnt */
rframe = rtw_alloc_recvframe(&padapter->recvpriv.uc_swdec_pending_queue);
if (rframe)
goto do_posthandle;
}
goto exit;
}
do_posthandle:
ret = recv_func_posthandle(padapter, rframe);
}
exit:
return ret;
}
s32 rtw_recv_entry(union recv_frame *precvframe)
{
_adapter *padapter;
struct recv_priv *precvpriv;
s32 ret=_SUCCESS;
_func_enter_;
// RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("+rtw_recv_entry\n"));
padapter = precvframe->u.hdr.adapter;
precvpriv = &padapter->recvpriv;
if ((ret = recv_func(padapter, precvframe)) == _FAIL)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("rtw_recv_entry: recv_func return fail!!!\n"));
goto _recv_entry_drop;
}
precvpriv->rx_pkts++;
_func_exit_;
return ret;
_recv_entry_drop:
#ifdef CONFIG_MP_INCLUDED
if (padapter->registrypriv.mp_mode == 1)
padapter->mppriv.rx_pktloss = precvpriv->rx_drop;
#endif
//RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("_recv_entry_drop\n"));
_func_exit_;
return ret;
}
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
void rtw_signal_stat_timer_hdl(RTW_TIMER_HDL_ARGS){
_adapter *adapter = (_adapter *)FunctionContext;
struct recv_priv *recvpriv = &adapter->recvpriv;
u32 tmp_s, tmp_q;
u8 avg_signal_strength = 0;
u8 avg_signal_qual = 0;
u32 num_signal_strength = 0;
u32 num_signal_qual = 0;
u8 ratio_pre_stat = 0, ratio_curr_stat = 0, ratio_total = 0, ratio_profile = SIGNAL_STAT_CALC_PROFILE_0;
if(adapter->recvpriv.is_signal_dbg) {
//update the user specific value, signal_strength_dbg, to signal_strength, rssi
adapter->recvpriv.signal_strength= adapter->recvpriv.signal_strength_dbg;
adapter->recvpriv.rssi=(s8)translate_percentage_to_dbm((u8)adapter->recvpriv.signal_strength_dbg);
} else {
if(recvpriv->signal_strength_data.update_req == 0) {// update_req is clear, means we got rx
avg_signal_strength = recvpriv->signal_strength_data.avg_val;
num_signal_strength = recvpriv->signal_strength_data.total_num;
// after avg_vals are accquired, we can re-stat the signal values
recvpriv->signal_strength_data.update_req = 1;
}
if(recvpriv->signal_qual_data.update_req == 0) {// update_req is clear, means we got rx
avg_signal_qual = recvpriv->signal_qual_data.avg_val;
num_signal_qual = recvpriv->signal_qual_data.total_num;
// after avg_vals are accquired, we can re-stat the signal values
recvpriv->signal_qual_data.update_req = 1;
}
if (num_signal_strength == 0) {
if (rtw_get_on_cur_ch_time(adapter) == 0
|| rtw_get_passing_time_ms(rtw_get_on_cur_ch_time(adapter)) < 2 * adapter->mlmeextpriv.mlmext_info.bcn_interval
) {
goto set_timer;
}
}
if(check_fwstate(&adapter->mlmepriv, _FW_UNDER_SURVEY) == _TRUE
|| check_fwstate(&adapter->mlmepriv, _FW_LINKED) == _FALSE
) {
goto set_timer;
}
#ifdef CONFIG_CONCURRENT_MODE
if (check_buddy_fwstate(adapter, _FW_UNDER_SURVEY) == _TRUE)
goto set_timer;
#endif
if (RTW_SIGNAL_STATE_CALC_PROFILE < SIGNAL_STAT_CALC_PROFILE_MAX)
ratio_profile = RTW_SIGNAL_STATE_CALC_PROFILE;
ratio_pre_stat = signal_stat_calc_profile[ratio_profile][0];
ratio_curr_stat = signal_stat_calc_profile[ratio_profile][1];
ratio_total = ratio_pre_stat + ratio_curr_stat;
//update value of signal_strength, rssi, signal_qual
tmp_s = (ratio_curr_stat * avg_signal_strength + ratio_pre_stat * recvpriv->signal_strength);
if (tmp_s % ratio_total)
tmp_s = tmp_s / ratio_total + 1;
else
tmp_s = tmp_s / ratio_total;
if (tmp_s > 100)
tmp_s = 100;
tmp_q = (ratio_curr_stat * avg_signal_qual + ratio_pre_stat * recvpriv->signal_qual);
if (tmp_q % ratio_total)
tmp_q = tmp_q / ratio_total + 1;
else
tmp_q = tmp_q / ratio_total;
if (tmp_q > 100)
tmp_q = 100;
recvpriv->signal_strength = tmp_s;
recvpriv->rssi = (s8)translate_percentage_to_dbm(tmp_s);
recvpriv->signal_qual = tmp_q;
#if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1
DBG_871X(FUNC_ADPT_FMT" signal_strength:%3u, rssi:%3d, signal_qual:%3u"
", num_signal_strength:%u, num_signal_qual:%u"
", on_cur_ch_ms:%d"
"\n"
, FUNC_ADPT_ARG(adapter)
, recvpriv->signal_strength
, recvpriv->rssi
, recvpriv->signal_qual
, num_signal_strength, num_signal_qual
, rtw_get_on_cur_ch_time(adapter) ? rtw_get_passing_time_ms(rtw_get_on_cur_ch_time(adapter)) : 0
);
#endif
}
set_timer:
rtw_set_signal_stat_timer(recvpriv);
}
#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
static void rx_process_rssi(_adapter *padapter,union recv_frame *prframe)
{
u32 last_rssi, tmp_val;
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
struct signal_stat * signal_stat = &padapter->recvpriv.signal_strength_data;
#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
//DBG_8192C("process_rssi=> pattrib->rssil(%d) signal_strength(%d)\n ",pattrib->RecvSignalPower,pattrib->signal_strength);
//if(pRfd->Status.bPacketToSelf || pRfd->Status.bPacketBeacon)
{
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
if(signal_stat->update_req) {
signal_stat->total_num = 0;
signal_stat->total_val = 0;
signal_stat->update_req = 0;
}
signal_stat->total_num++;
signal_stat->total_val += pattrib->phy_info.SignalStrength;
signal_stat->avg_val = signal_stat->total_val / signal_stat->total_num;
#else //CONFIG_NEW_SIGNAL_STAT_PROCESS
//Adapter->RxStats.RssiCalculateCnt++; //For antenna Test
if(padapter->recvpriv.signal_strength_data.total_num++ >= PHY_RSSI_SLID_WIN_MAX)
{
padapter->recvpriv.signal_strength_data.total_num = PHY_RSSI_SLID_WIN_MAX;
last_rssi = padapter->recvpriv.signal_strength_data.elements[padapter->recvpriv.signal_strength_data.index];
padapter->recvpriv.signal_strength_data.total_val -= last_rssi;
}
padapter->recvpriv.signal_strength_data.total_val +=pattrib->phy_info.SignalStrength;
padapter->recvpriv.signal_strength_data.elements[padapter->recvpriv.signal_strength_data.index++] = pattrib->phy_info.SignalStrength;
if(padapter->recvpriv.signal_strength_data.index >= PHY_RSSI_SLID_WIN_MAX)
padapter->recvpriv.signal_strength_data.index = 0;
tmp_val = padapter->recvpriv.signal_strength_data.total_val/padapter->recvpriv.signal_strength_data.total_num;
if(padapter->recvpriv.is_signal_dbg) {
padapter->recvpriv.signal_strength= padapter->recvpriv.signal_strength_dbg;
padapter->recvpriv.rssi=(s8)translate_percentage_to_dbm(padapter->recvpriv.signal_strength_dbg);
} else {
padapter->recvpriv.signal_strength= tmp_val;
padapter->recvpriv.rssi=(s8)translate_percentage_to_dbm(tmp_val);
}
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("UI RSSI = %d, ui_rssi.TotalVal = %d, ui_rssi.TotalNum = %d\n", tmp_val, padapter->recvpriv.signal_strength_data.total_val,padapter->recvpriv.signal_strength_data.total_num));
#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
}
}
static void rx_process_link_qual(_adapter *padapter,union recv_frame *prframe)
{
u32 last_evm=0, tmpVal;
struct rx_pkt_attrib *pattrib;
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
struct signal_stat * signal_stat;
#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
if(prframe == NULL || padapter==NULL){
return;
}
pattrib = &prframe->u.hdr.attrib;
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
signal_stat = &padapter->recvpriv.signal_qual_data;
#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
//DBG_8192C("process_link_qual=> pattrib->signal_qual(%d)\n ",pattrib->signal_qual);
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
if(signal_stat->update_req) {
signal_stat->total_num = 0;
signal_stat->total_val = 0;
signal_stat->update_req = 0;
}
signal_stat->total_num++;
signal_stat->total_val += pattrib->phy_info.SignalQuality;
signal_stat->avg_val = signal_stat->total_val / signal_stat->total_num;
#else //CONFIG_NEW_SIGNAL_STAT_PROCESS
if(pattrib->phy_info.SignalQuality != 0)
{
//
// 1. Record the general EVM to the sliding window.
//
if(padapter->recvpriv.signal_qual_data.total_num++ >= PHY_LINKQUALITY_SLID_WIN_MAX)
{
padapter->recvpriv.signal_qual_data.total_num = PHY_LINKQUALITY_SLID_WIN_MAX;
last_evm = padapter->recvpriv.signal_qual_data.elements[padapter->recvpriv.signal_qual_data.index];
padapter->recvpriv.signal_qual_data.total_val -= last_evm;
}
padapter->recvpriv.signal_qual_data.total_val += pattrib->phy_info.SignalQuality;
padapter->recvpriv.signal_qual_data.elements[padapter->recvpriv.signal_qual_data.index++] = pattrib->phy_info.SignalQuality;
if(padapter->recvpriv.signal_qual_data.index >= PHY_LINKQUALITY_SLID_WIN_MAX)
padapter->recvpriv.signal_qual_data.index = 0;
RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("Total SQ=%d pattrib->signal_qual= %d\n", padapter->recvpriv.signal_qual_data.total_val, pattrib->phy_info.SignalQuality));
// <1> Showed on UI for user, in percentage.
tmpVal = padapter->recvpriv.signal_qual_data.total_val/padapter->recvpriv.signal_qual_data.total_num;
padapter->recvpriv.signal_qual=(u8)tmpVal;
}
else
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,(" pattrib->signal_qual =%d\n", pattrib->phy_info.SignalQuality));
}
#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
}
void rx_process_phy_info(_adapter *padapter, union recv_frame *rframe)
{
/* Check RSSI */
rx_process_rssi(padapter, rframe);
/* Check PWDB */
//process_PWDB(padapter, rframe);
//UpdateRxSignalStatistics8192C(Adapter, pRfd);
/* Check EVM */
rx_process_link_qual(padapter, rframe);
rtw_store_phy_info( padapter, rframe);
}
void rx_query_phy_status(
union recv_frame *precvframe,
u8 *pphy_status)
{
PADAPTER padapter = precvframe->u.hdr.adapter;
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
PODM_PHY_INFO_T pPHYInfo = (PODM_PHY_INFO_T)(&pattrib->phy_info);
u8 *wlanhdr;
ODM_PACKET_INFO_T pkt_info;
u8 *sa;
struct sta_priv *pstapriv;
struct sta_info *psta = NULL;
struct dvobj_priv *psdpriv = padapter->dvobj;
struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
//_irqL irqL;
pkt_info.bPacketMatchBSSID =_FALSE;
pkt_info.bPacketToSelf = _FALSE;
pkt_info.bPacketBeacon = _FALSE;
wlanhdr = get_recvframe_data(precvframe);
pkt_info.bPacketMatchBSSID = (!IsFrameTypeCtrl(wlanhdr))
&& (!pattrib->icv_err) && (!pattrib->crc_err)
&& _rtw_memcmp(get_hdr_bssid(wlanhdr), get_bssid(&padapter->mlmepriv), ETH_ALEN);
pkt_info.bToSelf = (!pattrib->icv_err) && (!pattrib->crc_err)
&& _rtw_memcmp(get_ra(wlanhdr), adapter_mac_addr(padapter), ETH_ALEN);
pkt_info.bPacketToSelf = pkt_info.bPacketMatchBSSID
&& _rtw_memcmp(get_ra(wlanhdr), adapter_mac_addr(padapter), ETH_ALEN);
pkt_info.bPacketBeacon = pkt_info.bPacketMatchBSSID
&& (GetFrameSubType(wlanhdr) == WIFI_BEACON);
sa = get_ta(wlanhdr);
pkt_info.StationID = 0xFF;
if (_rtw_memcmp(adapter_mac_addr(padapter), sa, ETH_ALEN) == _TRUE) {
static u32 start_time = 0;
#if 0 /*For debug */
if (IsFrameTypeCtrl(wlanhdr)) {
DBG_871X("-->Control frame: Y\n");
DBG_871X("-->pkt_len: %d\n", pattrib->pkt_len);
DBG_871X("-->Sub Type = 0x%X\n", GetFrameSubType(wlanhdr));
}
/* Dump first 40 bytes of header */
int i = 0;
for (i = 0; i < 40; i++)
DBG_871X("%d: %X\n", i, *((u8 *)wlanhdr + i));
DBG_871X("\n");
#endif
if ((start_time == 0) || (rtw_get_passing_time_ms(start_time) > 5000)) {
DBG_871X_LEVEL(_drv_always_, "Warning!!! %s: Confilc mac addr!!\n", __func__);
start_time = rtw_get_current_time();
}
pdbgpriv->dbg_rx_conflic_mac_addr_cnt++;
} else{
pstapriv = &padapter->stapriv;
psta = rtw_get_stainfo(pstapriv, sa);
if (psta)
pkt_info.StationID = psta->mac_id;
}
pkt_info.DataRate = pattrib->data_rate;
//_enter_critical_bh(&pHalData->odm_stainfo_lock, &irqL);
ODM_PhyStatusQuery(&pHalData->odmpriv, pPHYInfo, pphy_status, &pkt_info);
if (psta)
psta->rssi = pattrib->phy_info.RecvSignalPower;
//_exit_critical_bh(&pHalData->odm_stainfo_lock, &irqL);
{
precvframe->u.hdr.psta = NULL;
if (pkt_info.bPacketMatchBSSID
&& (check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == _TRUE)
) {
if (psta) {
precvframe->u.hdr.psta = psta;
rx_process_phy_info(padapter, precvframe);
}
} else if (pkt_info.bPacketToSelf || pkt_info.bPacketBeacon) {
if (psta)
precvframe->u.hdr.psta = psta;
rx_process_phy_info(padapter, precvframe);
}
}
}
/*
* Increase and check if the continual_no_rx_packet of this @param pmlmepriv is larger than MAX_CONTINUAL_NORXPACKET_COUNT
* @return _TRUE:
* @return _FALSE:
*/
int rtw_inc_and_chk_continual_no_rx_packet(struct sta_info *sta, int tid_index)
{
int ret = _FALSE;
int value = ATOMIC_INC_RETURN(&sta->continual_no_rx_packet[tid_index]);
if (value >= MAX_CONTINUAL_NORXPACKET_COUNT)
ret = _TRUE;
return ret;
}
/*
* Set the continual_no_rx_packet of this @param pmlmepriv to 0
*/
void rtw_reset_continual_no_rx_packet(struct sta_info *sta, int tid_index)
{
ATOMIC_SET(&sta->continual_no_rx_packet[tid_index], 0);
}
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