2016-03-27 17:56:02 +00:00
/******************************************************************************
*
* 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 ;
2017-01-30 18:45:14 +00:00
# ifdef DBG_RX_SIGNAL_DISPLAY_RAW_DATA
precvpriv - > store_law_data_flag = 1 ;
# else
precvpriv - > store_law_data_flag = 0 ;
# endif
2016-03-27 17:56:02 +00:00
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_ ;
}
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 ;
if ( ptdlsinfo - > tdls_enable = = _FALSE ) {
DBG_871X ( " recv tdls frame, "
" but tdls haven't enabled \n " ) ;
ret = _FAIL ;
return ret ;
}
DBG_871X ( " [TDLS] Recv %s from " MAC_FMT " \n " , rtw_tdls_action_txt ( * paction ) , MAC_ARG ( pattrib - > src ) ) ;
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
pchsw_info - > ch_sw_state | = TDLS_PEER_AT_OFF_STATE ;
if ( ATOMIC_READ ( & pchsw_info - > chsw_on ) = = _TRUE ) {
if ( ! ( pchsw_info - > ch_sw_state & TDLS_PEER_AT_OFF_STATE ) ) {
DBG_871X ( " %s %d \n " , __FUNCTION__ , __LINE__ ) ;
issue_nulldata_to_TDLS_peer_STA ( adapter , ptdls_sta - > hwaddr , 0 , 0 , 0 ) ;
pchsw_info - > ch_sw_state | = TDLS_PEER_AT_OFF_STATE ;
/* 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 )
{
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 ) ;
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 ;
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 )
{
_set_timer ( & preorder_ctrl - > reordering_ctrl_timer , REORDER_WAIT_TIME ) ;
_exit_critical_bh ( & ppending_recvframe_queue - > lock , & irql ) ;
}
else
{
_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 ( 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 ;
if ( ! adapter - > mppriv . bmac_filter )
return ret ;
#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 ( _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 ;
}
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static sint fill_radiotap_hdr ( _adapter * padapter , union recv_frame * precvframe )
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{
# 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 ;
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static u8 data_rate [ ] = {
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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 ;
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# ifdef CONFIG_RADIOTAP_WITH_RXDESC
u8 hdr_buf [ 128 ] = { 0 } ;
# else
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u8 hdr_buf [ 64 ] = { 0 } ;
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# endif
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u16 rt_len = 8 ;
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u32 tmp_32bit ;
int i ;
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/* create header */
rtap_hdr = ( struct ieee80211_radiotap_header * ) & hdr_buf [ 0 ] ;
rtap_hdr - > it_version = PKTHDR_RADIOTAP_VERSION ;
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# ifdef CONFIG_RTL8814A
/* RTL8814AU rx descriptor has no bandwidth, ldpc, stbc and sgi info */
/* fixup bandwidth */
pattrib - > bw = pattrib - > phy_info . BandWidth & 0x03 ;
# endif
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if ( pHalData - > NumTotalRFPath > 0 & & pattrib - > physt ) {
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rtap_hdr - > it_present | = ( 1 < < IEEE80211_RADIOTAP_EXT ) |
( 1 < < IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE ) ;
if ( pHalData - > NumTotalRFPath > 1 ) {
tmp_32bit = ( 1 < < IEEE80211_RADIOTAP_ANTENNA ) |
( 1 < < IEEE80211_RADIOTAP_DBM_ANTSIGNAL ) |
( 1 < < IEEE80211_RADIOTAP_EXT ) |
( 1 < < IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE ) ;
for ( i = 0 ; i < pHalData - > NumTotalRFPath - 1 ; i + + ) {
memcpy ( & hdr_buf [ rt_len ] , & tmp_32bit , 4 ) ;
rt_len + = 4 ;
}
}
tmp_32bit = ( 1 < < IEEE80211_RADIOTAP_ANTENNA ) |
( 1 < < IEEE80211_RADIOTAP_DBM_ANTSIGNAL ) ;
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# ifdef CONFIG_RADIOTAP_WITH_RXDESC
tmp_32bit | = ( 1 < < IEEE80211_RADIOTAP_VENDOR_NAMESPACE ) ;
# endif
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memcpy ( & hdr_buf [ rt_len ] , & tmp_32bit , 4 ) ;
rt_len + = 4 ;
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} else {
# ifdef CONFIG_RADIOTAP_WITH_RXDESC
rtap_hdr - > it_present | = ( 1 < < IEEE80211_RADIOTAP_VENDOR_NAMESPACE ) ;
# endif
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}
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/* 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 ;
# ifndef CONFIG_RX_PACKET_APPEND_FCS
hdr_buf [ rt_len ] | = IEEE80211_RADIOTAP_F_FCS ;
# endif
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 ;
2017-03-14 19:27:15 +00:00
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/* 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 ;
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if ( pattrib - > physt ) {
/* dBm Antenna Signal */
rtap_hdr - > it_present | = ( 1 < < IEEE80211_RADIOTAP_DBM_ANTSIGNAL ) ;
hdr_buf [ rt_len ] = pattrib - > phy_info . RecvSignalPower ;
rt_len + = 1 ;
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#if 0
/* dBm Antenna Noise */
rtap_hdr - > it_present | = ( 1 < < IEEE80211_RADIOTAP_DBM_ANTNOISE ) ;
hdr_buf [ rt_len ] = 0 ;
rt_len + = 1 ;
2016-12-18 14:17:29 +00:00
# endif
2016-03-27 17:56:02 +00:00
2016-12-18 16:54:27 +00:00
rt_len + + ; // alignment
}
2016-03-27 17:56:02 +00:00
/* Signal Quality */
rtap_hdr - > it_present | = ( 1 < < IEEE80211_RADIOTAP_LOCK_QUALITY ) ;
2016-12-18 14:17:29 +00:00
tmp_16bit = cpu_to_le16 ( pattrib - > phy_info . SignalQuality ) ;
memcpy ( & hdr_buf [ rt_len ] , & tmp_16bit , 2 ) ;
rt_len + = 2 ;
#if 0
2016-03-27 17:56:02 +00:00
/* Antenna */
rtap_hdr - > it_present | = ( 1 < < IEEE80211_RADIOTAP_ANTENNA ) ;
2016-12-18 14:17:29 +00:00
hdr_buf [ rt_len ] = pHalData - > rf_type ;
2016-03-27 17:56:02 +00:00
rt_len + = 1 ;
2016-12-18 14:17:29 +00:00
rt_len + + ; // alignment
# endif
2016-03-27 17:56:02 +00:00
/* 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 ) ;
2017-03-14 20:01:10 +00:00
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/* guard interval */
2017-03-14 20:01:10 +00:00
# ifndef CONFIG_RTL8814A
2016-03-27 17:56:02 +00:00
hdr_buf [ rt_len ] | = BIT2 ;
2017-03-14 20:01:10 +00:00
# endif
2016-03-27 17:56:02 +00:00
hdr_buf [ rt_len + 1 ] | = ( pattrib - > sgi & 0x01 ) < < 2 ;
/* STBC */
2017-03-14 20:01:10 +00:00
# ifndef CONFIG_RTL8814A
2016-03-27 17:56:02 +00:00
hdr_buf [ rt_len ] | = BIT5 ;
2017-03-14 20:01:10 +00:00
# endif
2016-03-27 17:56:02 +00:00
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 */
2017-03-14 20:01:10 +00:00
# ifndef CONFIG_RTL8814A
2016-03-27 17:56:02 +00:00
tmp_16bit | = BIT0 ;
2017-03-14 20:01:10 +00:00
# endif
2016-03-27 17:56:02 +00:00
hdr_buf [ rt_len + 2 ] | = ( pattrib - > stbc & 0x01 ) ;
/* Guard interval */
2017-03-14 20:01:10 +00:00
# ifndef CONFIG_RTL8814A
2016-03-27 17:56:02 +00:00
tmp_16bit | = BIT2 ;
2017-03-14 20:01:10 +00:00
# endif
2016-03-27 17:56:02 +00:00
hdr_buf [ rt_len + 2 ] | = ( pattrib - > sgi & 0x01 ) < < 2 ;
/* LDPC extra OFDM symbol */
2017-03-14 20:01:10 +00:00
# ifndef CONFIG_RTL8814A
2016-03-27 17:56:02 +00:00
tmp_16bit | = BIT4 ;
2017-03-14 20:01:10 +00:00
# endif
2016-03-27 17:56:02 +00:00
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 ;
}
2016-12-18 16:54:27 +00:00
if ( pattrib - > physt ) {
for ( i = 0 ; i < pHalData - > NumTotalRFPath ; i + + ) {
hdr_buf [ rt_len ] = pattrib - > phy_info . RxPwr [ i ] ;
rt_len + + ;
hdr_buf [ rt_len ] = i ;
rt_len + + ;
}
2016-12-18 14:17:29 +00:00
}
2017-03-12 09:41:59 +00:00
# ifdef CONFIG_RADIOTAP_WITH_RXDESC
rt_len + = rt_len & 1 ;
hdr_buf [ rt_len + + ] = 0xde ;
hdr_buf [ rt_len + + ] = 0xab ;
hdr_buf [ rt_len + + ] = 0xbe ;
hdr_buf [ rt_len + + ] = 0xaf ;
hdr_buf [ rt_len + + ] = 24 ;
hdr_buf [ rt_len + + ] = 0 ;
_rtw_memcpy ( hdr_buf + rt_len , pattrib - > rxdesc , RXDESC_SIZE ) ;
rt_len + = RXDESC_SIZE ;
# endif
2016-03-27 17:56:02 +00:00
/* push to skb */
2017-03-12 09:41:59 +00:00
/* read skb information from recv frame */
pskb = precvframe - > u . hdr . pkt ;
pskb - > len = precvframe - > u . hdr . len ;
pskb - > data = precvframe - > u . hdr . rx_data ;
skb_set_tail_pointer ( pskb , precvframe - > u . hdr . len ) ;
2016-03-27 17:56:02 +00:00
if ( skb_headroom ( pskb ) < rt_len ) {
2017-03-12 09:41:59 +00:00
pskb = skb_realloc_headroom ( pskb , rt_len ) ;
if ( pskb = = NULL ) {
DBG_871X ( " %s:%d %s headroom is too small. \n " , __FILE__ , __LINE__ , __func__ ) ;
ret = _FAIL ;
return ret ;
}
precvframe - > u . hdr . pkt = pskb ;
2016-03-27 17:56:02 +00:00
}
ptr = skb_push ( pskb , rt_len ) ;
if ( ptr ) {
rtap_hdr - > it_len = cpu_to_le16 ( rt_len ) ;
2017-03-12 09:41:59 +00:00
_rtw_memcpy ( ptr , rtap_hdr , rt_len ) ;
2016-03-27 17:56:02 +00:00
} else {
ret = _FAIL ;
2017-03-12 09:41:59 +00:00
return ret ;
2016-03-27 17:56:02 +00:00
}
2017-03-12 09:41:59 +00:00
out :
/* write skb information to recv frame */
skb_reset_mac_header ( pskb ) ;
precvframe - > u . hdr . len = pskb - > len ;
precvframe - > u . hdr . rx_data = pskb - > data ;
precvframe - > u . hdr . rx_head = pskb - > head ;
precvframe - > u . hdr . rx_tail = skb_tail_pointer ( pskb ) ;
precvframe - > u . hdr . rx_end = skb_end_pointer ( pskb ) ;
2016-03-27 17:56:02 +00:00
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 ;
/* fill radiotap header */
2017-03-12 09:41:59 +00:00
if ( fill_radiotap_hdr ( padapter , rframe ) = = _FAIL ) {
2016-03-27 17:56:02 +00:00
ret = _FAIL ;
rtw_free_recvframe ( rframe , pfree_recv_queue ) ; /* free this recv_frame */
goto exit ;
}
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 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 ;
2017-03-14 19:27:15 +00:00
} 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 ;
2016-03-27 17:56:02 +00:00
2017-03-14 19:27:15 +00:00
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 ) ;
}
2016-03-27 17:56:02 +00:00
2017-03-14 19:27:15 +00:00
if ( cnt )
DBG_871X ( FUNC_ADPT_FMT " dequeue %d from uc_swdec_pending_queue \n " ,
FUNC_ADPT_ARG ( padapter ) , cnt ) ;
2016-03-27 17:56:02 +00:00
}
}
2017-03-14 19:27:15 +00:00
2016-03-27 17:56:02 +00:00
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);
# ifdef CONFIG_SW_ANTENNA_DIVERSITY
if ( GET_HAL_DATA ( padapter ) - > odmpriv . RSSI_test = = _FALSE )
# endif
{
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 ) ;
}