int _rtw_xmit_entry(_pkt *pkt, _nic_hdl pnetdev)
{
struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
s32 res = 0;
DBG_COUNTER(padapter->tx_logs.os_tx);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("+xmit_enry\n"));
if (rtw_if_up(padapter) == false) {
DBG_COUNTER(padapter->tx_logs.os_tx_err_up);
RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit_entry: rtw_if_up fail\n"));
#ifdef DBG_TX_DROP_FRAME
DBG_871X("DBG_TX_DROP_FRAME %s if_up fail\n", __func__);
#endif
goto drop_packet;
}
rtw_check_xmit_resource(padapter, pkt);
if (!rtw_mc2u_disable
&& check_fwstate(pmlmepriv, WIFI_AP_STATE) == true
&& (IP_MCAST_MAC(pkt->data)
|| ICMPV6_MCAST_MAC(pkt->data)
#ifdef CONFIG_TX_BCAST2UNI
|| is_broadcast_mac_addr(pkt->data)
#endif
)
&& padapter->registrypriv.wifi_spec == 0) {
if (pxmitpriv->free_xmitframe_cnt > (NR_XMITFRAME/4)) {
res = rtw_mlcst2unicst(padapter, pkt);
if (res == true)
goto exit;
} else {
/* DBG_871X("Stop M2U(%d, %d)! ", pxmitpriv->free_xmitframe_cnt, pxmitpriv->free_xmitbuf_cnt); */
/* DBG_871X("!m2u); */
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_stop);
}
}
res = rtw_xmit(padapter, &pkt);
if (res < 0) {
#ifdef DBG_TX_DROP_FRAME
DBG_871X("DBG_TX_DROP_FRAME %s rtw_xmit fail\n", __func__);
#endif
goto drop_packet;
}
RT_TRACE(_module_xmit_osdep_c_, _drv_info_, ("rtw_xmit_entry: tx_pkts =%d\n", (u32)pxmitpriv->tx_pkts));
goto exit;
drop_packet:
pxmitpriv->tx_drop++;
dev_kfree_skb_any(pkt);
RT_TRACE(_module_xmit_osdep_c_, _drv_notice_, ("rtw_xmit_entry: drop, tx_drop =%d\n", (u32)pxmitpriv->tx_drop));
exit:
return 0;
}
int rtw_recv_indicatepkt(_adapter *padapter, union recv_frame *precv_frame)
{
struct recv_priv *precvpriv;
_queue *pfree_recv_queue;
_pkt *skb;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
DBG_COUNTER(padapter->rx_logs.os_indicate);
precvpriv = &(padapter->recvpriv);
pfree_recv_queue = &(precvpriv->free_recv_queue);
skb = precv_frame->u.hdr.pkt;
if (skb == NULL)
{
RT_TRACE(_module_recv_osdep_c_, _drv_err_, ("rtw_recv_indicatepkt():skb ==NULL something wrong!!!!\n"));
goto _recv_indicatepkt_drop;
}
RT_TRACE(_module_recv_osdep_c_, _drv_info_, ("rtw_recv_indicatepkt():skb != NULL !!!\n"));
RT_TRACE(_module_recv_osdep_c_, _drv_info_, ("rtw_recv_indicatepkt():precv_frame->u.hdr.rx_head =%p precv_frame->hdr.rx_data =%p\n", precv_frame->u.hdr.rx_head, precv_frame->u.hdr.rx_data));
RT_TRACE(_module_recv_osdep_c_, _drv_info_, ("precv_frame->hdr.rx_tail =%p precv_frame->u.hdr.rx_end =%p precv_frame->hdr.len =%d \n", precv_frame->u.hdr.rx_tail, precv_frame->u.hdr.rx_end, precv_frame->u.hdr.len));
skb->data = precv_frame->u.hdr.rx_data;
skb_set_tail_pointer(skb, precv_frame->u.hdr.len);
skb->len = precv_frame->u.hdr.len;
RT_TRACE(_module_recv_osdep_c_, _drv_info_, ("\n skb->head =%p skb->data =%p skb->tail =%p skb->end =%p skb->len =%d\n", skb->head, skb->data, skb_tail_pointer(skb), skb_end_pointer(skb), skb->len));
#ifdef CONFIG_AUTO_AP_MODE
if (0x8899 == pattrib->eth_type)
{
rtw_os_ksocket_send(padapter, precv_frame);
/* goto _recv_indicatepkt_drop; */
}
#endif /* CONFIG_AUTO_AP_MODE */
rtw_os_recv_indicate_pkt(padapter, skb, pattrib);
precv_frame->u.hdr.pkt = NULL; /* pointers to NULL before rtw_free_recvframe() */
rtw_free_recvframe(precv_frame, pfree_recv_queue);
RT_TRACE(_module_recv_osdep_c_, _drv_info_, ("\n rtw_recv_indicatepkt :after rtw_os_recv_indicate_pkt!!!!\n"));
return _SUCCESS;
_recv_indicatepkt_drop:
/* enqueue back to free_recv_queue */
if (precv_frame)
rtw_free_recvframe(precv_frame, pfree_recv_queue);
DBG_COUNTER(padapter->rx_logs.os_indicate_err);
return _FAIL;
}
int _rtw_xmit_entry(_pkt *pkt, _nic_hdl pnetdev)
{
_adapter *padapter = (_adapter *)rtw_netdev_priv(pnetdev);
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
#ifdef CONFIG_TX_MCAST2UNI
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
extern int rtw_mc2u_disable;
#endif // CONFIG_TX_MCAST2UNI
s32 res = 0;
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
u16 queue;
#endif
_func_enter_;
if(padapter->registrypriv.mp_mode)
{
DBG_871X("MP_TX_DROP_OS_FRAME\n");
goto drop_packet;
}
DBG_COUNTER(padapter->tx_logs.os_tx);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("+xmit_enry\n"));
if (rtw_if_up(padapter) == _FALSE) {
DBG_COUNTER(padapter->tx_logs.os_tx_err_up);
RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit_entry: rtw_if_up fail\n"));
#ifdef DBG_TX_DROP_FRAME
DBG_871X("DBG_TX_DROP_FRAME %s if_up fail\n", __FUNCTION__);
#endif
goto drop_packet;
}
rtw_check_xmit_resource(padapter, pkt);
#ifdef CONFIG_TX_MCAST2UNI
if ( !rtw_mc2u_disable
&& check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE
&& ( IP_MCAST_MAC(pkt->data)
|| ICMPV6_MCAST_MAC(pkt->data)
#ifdef CONFIG_TX_BCAST2UNI
|| is_broadcast_mac_addr(pkt->data)
#endif
)
&& (padapter->registrypriv.wifi_spec == 0)
)
{
if ( pxmitpriv->free_xmitframe_cnt > (NR_XMITFRAME/4) ) {
res = rtw_mlcst2unicst(padapter, pkt);
if (res == _TRUE) {
goto exit;
}
} else {
//DBG_871X("Stop M2U(%d, %d)! ", pxmitpriv->free_xmitframe_cnt, pxmitpriv->free_xmitbuf_cnt);
//DBG_871X("!m2u );
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_stop);
}
}
#endif // CONFIG_TX_MCAST2UNI
res = rtw_xmit(padapter, &pkt);
if (res < 0) {
#ifdef DBG_TX_DROP_FRAME
DBG_871X("DBG_TX_DROP_FRAME %s rtw_xmit fail\n", __FUNCTION__);
#endif
goto drop_packet;
}
RT_TRACE(_module_xmit_osdep_c_, _drv_info_, ("rtw_xmit_entry: tx_pkts=%d\n", (u32)pxmitpriv->tx_pkts));
goto exit;
drop_packet:
pxmitpriv->tx_drop++;
rtw_os_pkt_complete(padapter, pkt);
RT_TRACE(_module_xmit_osdep_c_, _drv_notice_, ("rtw_xmit_entry: drop, tx_drop=%d\n", (u32)pxmitpriv->tx_drop));
exit:
_func_exit_;
return 0;
}
int rtw_mlcst2unicst(_adapter *padapter, struct sk_buff *skb)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
_irqL irqL;
_list *phead, *plist;
struct sk_buff *newskb;
struct sta_info *psta = NULL;
u8 chk_alive_num = 0;
char chk_alive_list[NUM_STA];
u8 bc_addr[6]={0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
u8 null_addr[6]={0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
int i;
s32 res;
DBG_COUNTER(padapter->tx_logs.os_tx_m2u);
_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
phead = &pstapriv->asoc_list;
plist = get_next(phead);
//free sta asoc_queue
while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
int stainfo_offset;
psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
plist = get_next(plist);
stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
if (stainfo_offset_valid(stainfo_offset)) {
chk_alive_list[chk_alive_num++] = stainfo_offset;
}
}
_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);
for (i = 0; i < chk_alive_num; i++) {
psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
if(!(psta->state &_FW_LINKED))
{
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_ignore_fw_linked);
continue;
}
/* avoid come from STA1 and send back STA1 */
if (_rtw_memcmp(psta->hwaddr, &skb->data[6], 6) == _TRUE
|| _rtw_memcmp(psta->hwaddr, null_addr, 6) == _TRUE
|| _rtw_memcmp(psta->hwaddr, bc_addr, 6) == _TRUE
)
{
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_ignore_self);
continue;
}
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_entry);
newskb = rtw_skb_copy(skb);
if (newskb) {
_rtw_memcpy(newskb->data, psta->hwaddr, 6);
res = rtw_xmit(padapter, &newskb);
if (res < 0) {
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_entry_err_xmit);
DBG_871X("%s()-%d: rtw_xmit() return error! res=%d\n", __FUNCTION__, __LINE__, res);
pxmitpriv->tx_drop++;
rtw_skb_free(newskb);
}
} else {
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_entry_err_skb);
DBG_871X("%s-%d: rtw_skb_copy() failed!\n", __FUNCTION__, __LINE__);
pxmitpriv->tx_drop++;
//rtw_skb_free(skb);
return _FALSE; // Caller shall tx this multicast frame via normal way.
}
}
rtw_skb_free(skb);
return _TRUE;
}
int rtw_recv_indicatepkt(_adapter *padapter, union recv_frame *precv_frame)
{
struct recv_priv *precvpriv;
_queue *pfree_recv_queue;
_pkt *skb;
struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
struct rx_pkt_attrib *pattrib;
if(NULL == precv_frame)
goto _recv_indicatepkt_drop;
DBG_COUNTER(padapter->rx_logs.os_indicate);
pattrib = &precv_frame->u.hdr.attrib;
precvpriv = &(padapter->recvpriv);
pfree_recv_queue = &(precvpriv->free_recv_queue);
#ifdef CONFIG_DRVEXT_MODULE
if (drvext_rx_handler(padapter, precv_frame->u.hdr.rx_data, precv_frame->u.hdr.len) == _SUCCESS)
{
goto _recv_indicatepkt_drop;
}
#endif
#ifdef CONFIG_WAPI_SUPPORT
if (rtw_wapi_check_for_drop(padapter,precv_frame))
{
WAPI_TRACE(WAPI_ERR, "%s(): Rx Reorder Drop case!!\n", __FUNCTION__);
goto _recv_indicatepkt_drop;
}
#endif
skb = precv_frame->u.hdr.pkt;
if(skb == NULL)
{
RT_TRACE(_module_recv_osdep_c_,_drv_err_,("rtw_recv_indicatepkt():skb==NULL something wrong!!!!\n"));
goto _recv_indicatepkt_drop;
}
RT_TRACE(_module_recv_osdep_c_,_drv_info_,("rtw_recv_indicatepkt():skb != NULL !!!\n"));
RT_TRACE(_module_recv_osdep_c_,_drv_info_,("rtw_recv_indicatepkt():precv_frame->u.hdr.rx_head=%p precv_frame->hdr.rx_data=%p\n", precv_frame->u.hdr.rx_head, precv_frame->u.hdr.rx_data));
RT_TRACE(_module_recv_osdep_c_,_drv_info_,("precv_frame->hdr.rx_tail=%p precv_frame->u.hdr.rx_end=%p precv_frame->hdr.len=%d \n", precv_frame->u.hdr.rx_tail, precv_frame->u.hdr.rx_end, precv_frame->u.hdr.len));
skb->data = precv_frame->u.hdr.rx_data;
skb_set_tail_pointer(skb, precv_frame->u.hdr.len);
skb->len = precv_frame->u.hdr.len;
RT_TRACE(_module_recv_osdep_c_,_drv_info_,("\n skb->head=%p skb->data=%p skb->tail=%p skb->end=%p skb->len=%d\n", skb->head, skb->data, skb_tail_pointer(skb), skb_end_pointer(skb), skb->len));
#ifdef CONFIG_AUTO_AP_MODE
#if 1 //for testing
#if 1
if (0x8899 == pattrib->eth_type)
{
rtw_os_ksocket_send(padapter, precv_frame);
//goto _recv_indicatepkt_drop;
}
#else
if (0x8899 == pattrib->eth_type)
{
rtw_auto_ap_mode_rx(padapter, precv_frame);
goto _recv_indicatepkt_end;
}
#endif
#endif
#endif //CONFIG_AUTO_AP_MODE
rtw_os_recv_indicate_pkt(padapter, skb, pattrib);
_recv_indicatepkt_end:
precv_frame->u.hdr.pkt = NULL; // pointers to NULL before rtw_free_recvframe()
rtw_free_recvframe(precv_frame, pfree_recv_queue);
RT_TRACE(_module_recv_osdep_c_,_drv_info_,("\n rtw_recv_indicatepkt :after rtw_os_recv_indicate_pkt!!!!\n"));
return _SUCCESS;
_recv_indicatepkt_drop:
//enqueue back to free_recv_queue
if(precv_frame)
rtw_free_recvframe(precv_frame, pfree_recv_queue);
DBG_COUNTER(padapter->rx_logs.os_indicate_err);
return _FAIL;
}
void rtw_os_recv_indicate_pkt(_adapter *padapter, _pkt *pkt, struct rx_pkt_attrib *pattrib)
{
struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
struct recv_priv *precvpriv = &(padapter->recvpriv);
#ifdef CONFIG_BR_EXT
void *br_port = NULL;
#endif
int ret;
/* Indicat the packets to upper layer */
if (pkt) {
if(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
{
_pkt *pskb2=NULL;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
int bmcast = IS_MCAST(pattrib->dst);
//DBG_871X("bmcast=%d\n", bmcast);
if(_rtw_memcmp(pattrib->dst, myid(&padapter->eeprompriv), ETH_ALEN)==_FALSE)
{
//DBG_871X("not ap psta=%p, addr=%pM\n", psta, pattrib->dst);
if(bmcast)
{
psta = rtw_get_bcmc_stainfo(padapter);
pskb2 = rtw_skb_clone(pkt);
} else {
psta = rtw_get_stainfo(pstapriv, pattrib->dst);
}
if(psta)
{
struct net_device *pnetdev= (struct net_device*)padapter->pnetdev;
//DBG_871X("directly forwarding to the rtw_xmit_entry\n");
//skb->ip_summed = CHECKSUM_NONE;
pkt->dev = pnetdev;
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
skb_set_queue_mapping(pkt, rtw_recv_select_queue(pkt));
#endif //LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35)
_rtw_xmit_entry(pkt, pnetdev);
if(bmcast && (pskb2 != NULL) ) {
pkt = pskb2;
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_mcast);
} else {
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_forward);
return;
}
}
}
else// to APself
{
//DBG_871X("to APSelf\n");
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_self);
}
}
#ifdef CONFIG_BR_EXT
// Insert NAT2.5 RX here!
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
br_port = padapter->pnetdev->br_port;
#else // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
rcu_read_lock();
br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
rcu_read_unlock();
#endif // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
if( br_port && (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == _TRUE) )
{
int nat25_handle_frame(_adapter *priv, struct sk_buff *skb);
if (nat25_handle_frame(padapter, pkt) == -1) {
//priv->ext_stats.rx_data_drops++;
//DEBUG_ERR("RX DROP: nat25_handle_frame fail!\n");
//return FAIL;
#if 1
// bypass this frame to upper layer!!
#else
rtw_skb_free(sub_skb);
continue;
#endif
}
}
#endif // CONFIG_BR_EXT
if( precvpriv->sink_udpport > 0)
rtw_sink_rtp_seq_dbg(padapter,pkt);
pkt->protocol = eth_type_trans(pkt, padapter->pnetdev);
pkt->dev = padapter->pnetdev;
#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
if ( (pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1) ) {
pkt->ip_summed = CHECKSUM_UNNECESSARY;
} else {
pkt->ip_summed = CHECKSUM_NONE;
}
#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
pkt->ip_summed = CHECKSUM_NONE;
#endif //CONFIG_TCP_CSUM_OFFLOAD_RX
ret = rtw_netif_rx(padapter->pnetdev, pkt);
if (ret == NET_RX_SUCCESS)
DBG_COUNTER(padapter->rx_logs.os_netif_ok);
else
DBG_COUNTER(padapter->rx_logs.os_netif_err);
}
}
void rtw_os_recv_indicate_pkt(_adapter *padapter, _pkt *pkt, struct rx_pkt_attrib *pattrib)
{
struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
int ret;
/* Indicat the packets to upper layer */
if (pkt) {
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
{
_pkt *pskb2 =NULL;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
int bmcast = IS_MCAST(pattrib->dst);
/* DBG_871X("bmcast =%d\n", bmcast); */
if (memcmp(pattrib->dst, myid(&padapter->eeprompriv), ETH_ALEN))
{
/* DBG_871X("not ap psta =%p, addr =%pM\n", psta, pattrib->dst); */
if (bmcast)
{
psta = rtw_get_bcmc_stainfo(padapter);
pskb2 = rtw_skb_clone(pkt);
} else {
psta = rtw_get_stainfo(pstapriv, pattrib->dst);
}
if (psta)
{
struct net_device *pnetdev = (struct net_device*)padapter->pnetdev;
/* DBG_871X("directly forwarding to the rtw_xmit_entry\n"); */
/* skb->ip_summed = CHECKSUM_NONE; */
pkt->dev = pnetdev;
skb_set_queue_mapping(pkt, rtw_recv_select_queue(pkt));
_rtw_xmit_entry(pkt, pnetdev);
if (bmcast && (pskb2 != NULL)) {
pkt = pskb2;
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_mcast);
} else {
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_forward);
return;
}
}
}
else/* to APself */
{
/* DBG_871X("to APSelf\n"); */
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_self);
}
}
pkt->protocol = eth_type_trans(pkt, padapter->pnetdev);
pkt->dev = padapter->pnetdev;
#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
if ((pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1)) {
pkt->ip_summed = CHECKSUM_UNNECESSARY;
} else {
pkt->ip_summed = CHECKSUM_NONE;
}
#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
pkt->ip_summed = CHECKSUM_NONE;
#endif /* CONFIG_TCP_CSUM_OFFLOAD_RX */
ret = rtw_netif_rx(padapter->pnetdev, pkt);
if (ret == NET_RX_SUCCESS)
DBG_COUNTER(padapter->rx_logs.os_netif_ok);
else
DBG_COUNTER(padapter->rx_logs.os_netif_err);
}
}
static int rtw_mlcst2unicst(struct adapter *padapter, struct sk_buff *skb)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct list_head *phead, *plist;
struct sk_buff *newskb;
struct sta_info *psta = NULL;
u8 chk_alive_num = 0;
char chk_alive_list[NUM_STA];
u8 bc_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
u8 null_addr[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
int i;
s32 res;
DBG_COUNTER(padapter->tx_logs.os_tx_m2u);
spin_lock_bh(&pstapriv->asoc_list_lock);
phead = &pstapriv->asoc_list;
plist = get_next(phead);
/* free sta asoc_queue */
while (phead != plist) {
int stainfo_offset;
psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
plist = get_next(plist);
stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
if (stainfo_offset_valid(stainfo_offset)) {
chk_alive_list[chk_alive_num++] = stainfo_offset;
}
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
for (i = 0; i < chk_alive_num; i++) {
psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
if (!(psta->state & _FW_LINKED)) {
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_ignore_fw_linked);
continue;
}
/* avoid come from STA1 and send back STA1 */
if (!memcmp(psta->hwaddr, &skb->data[6], 6) ||
!memcmp(psta->hwaddr, null_addr, 6) ||
!memcmp(psta->hwaddr, bc_addr, 6)) {
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_ignore_self);
continue;
}
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_entry);
newskb = rtw_skb_copy(skb);
if (newskb) {
memcpy(newskb->data, psta->hwaddr, 6);
res = rtw_xmit(padapter, &newskb);
if (res < 0) {
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_entry_err_xmit);
DBG_871X("%s()-%d: rtw_xmit() return error!\n", __func__, __LINE__);
pxmitpriv->tx_drop++;
dev_kfree_skb_any(newskb);
}
} else {
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_entry_err_skb);
DBG_871X("%s-%d: rtw_skb_copy() failed!\n", __func__, __LINE__);
pxmitpriv->tx_drop++;
/* dev_kfree_skb_any(skb); */
return false; /* Caller shall tx this multicast frame via normal way. */
}
}
dev_kfree_skb_any(skb);
return true;
}
int _rtw_xmit_entry(_pkt *pkt, _nic_hdl pnetdev)
{
_adapter *padapter = (_adapter *)rtw_netdev_priv(pnetdev);
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
#ifdef CONFIG_TX_MCAST2UNI
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
extern int rtw_mc2u_disable;
#endif /* CONFIG_TX_MCAST2UNI */
s32 res = 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
u16 queue;
#endif
if (padapter->registrypriv.mp_mode) {
RTW_INFO("MP_TX_DROP_OS_FRAME\n");
goto drop_packet;
}
DBG_COUNTER(padapter->tx_logs.os_tx);
if (rtw_if_up(padapter) == _FALSE) {
DBG_COUNTER(padapter->tx_logs.os_tx_err_up);
#ifdef DBG_TX_DROP_FRAME
RTW_INFO("DBG_TX_DROP_FRAME %s if_up fail\n", __FUNCTION__);
#endif
goto drop_packet;
}
rtw_check_xmit_resource(padapter, pkt);
#ifdef CONFIG_TX_MCAST2UNI
if (!rtw_mc2u_disable
&& check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE
&& (IP_MCAST_MAC(pkt->data)
|| ICMPV6_MCAST_MAC(pkt->data)
#ifdef CONFIG_TX_BCAST2UNI
|| is_broadcast_mac_addr(pkt->data)
#endif
)
&& (padapter->registrypriv.wifi_spec == 0)
) {
if (pxmitpriv->free_xmitframe_cnt > (NR_XMITFRAME / 4)) {
res = rtw_mlcst2unicst(padapter, pkt);
if (res == _TRUE)
goto exit;
} else {
/* RTW_INFO("Stop M2U(%d, %d)! ", pxmitpriv->free_xmitframe_cnt, pxmitpriv->free_xmitbuf_cnt); */
/* RTW_INFO("!m2u ); */
DBG_COUNTER(padapter->tx_logs.os_tx_m2u_stop);
}
}
#endif /* CONFIG_TX_MCAST2UNI */
res = rtw_xmit(padapter, &pkt);
if (res < 0) {
#ifdef DBG_TX_DROP_FRAME
RTW_INFO("DBG_TX_DROP_FRAME %s rtw_xmit fail\n", __FUNCTION__);
#endif
goto drop_packet;
}
goto exit;
drop_packet:
pxmitpriv->tx_drop++;
rtw_os_pkt_complete(padapter, pkt);
exit:
return 0;
}
int rtw_recv_indicatepkt(_adapter *padapter, union recv_frame *precv_frame)
{
struct recv_priv *precvpriv;
_queue *pfree_recv_queue;
_pkt *skb;
struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
struct rx_pkt_attrib *pattrib;
if(NULL == precv_frame)
goto _recv_indicatepkt_drop;
DBG_COUNTER(padapter->rx_logs.os_indicate);
pattrib = &precv_frame->u.hdr.attrib;
precvpriv = &(padapter->recvpriv);
pfree_recv_queue = &(precvpriv->free_recv_queue);
#ifdef CONFIG_DRVEXT_MODULE
if (drvext_rx_handler(padapter, precv_frame->u.hdr.rx_data, precv_frame->u.hdr.len) == _SUCCESS)
{
goto _recv_indicatepkt_drop;
}
#endif
#ifdef CONFIG_WAPI_SUPPORT
if (rtw_wapi_check_for_drop(padapter,precv_frame))
{
WAPI_TRACE(WAPI_ERR, "%s(): Rx Reorder Drop case!!\n", __FUNCTION__);
goto _recv_indicatepkt_drop;
}
#endif
skb = precv_frame->u.hdr.pkt;
if(skb == NULL)
{
RT_TRACE(_module_recv_osdep_c_,_drv_err_,("rtw_recv_indicatepkt():skb==NULL something wrong!!!!\n"));
goto _recv_indicatepkt_drop;
}
RT_TRACE(_module_recv_osdep_c_,_drv_info_,("rtw_recv_indicatepkt():skb != NULL !!!\n"));
RT_TRACE(_module_recv_osdep_c_,_drv_info_,("rtw_recv_indicatepkt():precv_frame->u.hdr.rx_head=%p precv_frame->hdr.rx_data=%p\n", precv_frame->u.hdr.rx_head, precv_frame->u.hdr.rx_data));
RT_TRACE(_module_recv_osdep_c_,_drv_info_,("precv_frame->hdr.rx_tail=%p precv_frame->u.hdr.rx_end=%p precv_frame->hdr.len=%d \n", precv_frame->u.hdr.rx_tail, precv_frame->u.hdr.rx_end, precv_frame->u.hdr.len));
skb->data = precv_frame->u.hdr.rx_data;
skb_set_tail_pointer(skb, precv_frame->u.hdr.len);
skb->len = precv_frame->u.hdr.len;
RT_TRACE(_module_recv_osdep_c_,_drv_info_,("\n skb->head=%p skb->data=%p skb->tail=%p skb->end=%p skb->len=%d\n", skb->head, skb->data, skb_tail_pointer(skb), skb_end_pointer(skb), skb->len));
if (pattrib->eth_type == 0x888e)
DBG_871X_LEVEL(_drv_always_, "recv eapol packet\n");
#ifdef CONFIG_AUTO_AP_MODE
#if 1 //for testing
#if 1
if (0x8899 == pattrib->eth_type)
{
rtw_os_ksocket_send(padapter, precv_frame);
//goto _recv_indicatepkt_drop;
}
#else
if (0x8899 == pattrib->eth_type)
{
rtw_auto_ap_mode_rx(padapter, precv_frame);
goto _recv_indicatepkt_end;
}
#endif
#endif
#endif //CONFIG_AUTO_AP_MODE
/* TODO: move to core */
{
_pkt *pkt = skb;
struct ethhdr *etherhdr = (struct ethhdr *)pkt->data;
struct sta_info *sta = precv_frame->u.hdr.psta;
if (!sta)
goto bypass_session_tracker;
if (ntohs(etherhdr->h_proto) == ETH_P_IP) {
u8 *ip = pkt->data + 14;
if (GET_IPV4_PROTOCOL(ip) == 0x06 /* TCP */
&& rtw_st_ctl_chk_reg_s_proto(&sta->st_ctl, 0x06) == _TRUE
) {
u8 *tcp = ip + GET_IPV4_IHL(ip) * 4;
if (rtw_st_ctl_chk_reg_rule(&sta->st_ctl, padapter, IPV4_DST(ip), TCP_DST(tcp), IPV4_SRC(ip), TCP_SRC(tcp)) == _TRUE) {
if (GET_TCP_SYN(tcp) && GET_TCP_ACK(tcp)) {
session_tracker_add_cmd(padapter, sta
, IPV4_DST(ip), TCP_DST(tcp)
, IPV4_SRC(ip), TCP_SRC(tcp));
if (DBG_SESSION_TRACKER)
DBG_871X(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" SYN-ACK\n"
, FUNC_ADPT_ARG(padapter)
, IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp))
, IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp)));
}
if (GET_TCP_FIN(tcp)) {
session_tracker_del_cmd(padapter, sta
, IPV4_DST(ip), TCP_DST(tcp)
, IPV4_SRC(ip), TCP_SRC(tcp));
if (DBG_SESSION_TRACKER)
DBG_871X(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" FIN\n"
, FUNC_ADPT_ARG(padapter)
, IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp))
, IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp)));
}
}
}
}
bypass_session_tracker:
;
}
rtw_os_recv_indicate_pkt(padapter, skb, pattrib);
_recv_indicatepkt_end:
precv_frame->u.hdr.pkt = NULL; // pointers to NULL before rtw_free_recvframe()
rtw_free_recvframe(precv_frame, pfree_recv_queue);
RT_TRACE(_module_recv_osdep_c_,_drv_info_,("\n rtw_recv_indicatepkt :after rtw_os_recv_indicate_pkt!!!!\n"));
return _SUCCESS;
_recv_indicatepkt_drop:
//enqueue back to free_recv_queue
if(precv_frame)
rtw_free_recvframe(precv_frame, pfree_recv_queue);
DBG_COUNTER(padapter->rx_logs.os_indicate_err);
return _FAIL;
}
void rtw_os_recv_indicate_pkt(_adapter *padapter, _pkt *pkt, struct rx_pkt_attrib *pattrib)
{
struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
struct recv_priv *precvpriv = &(padapter->recvpriv);
#ifdef CONFIG_BR_EXT
void *br_port = NULL;
#endif
int ret;
/* Indicat the packets to upper layer */
if (pkt) {
if(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
{
_pkt *pskb2=NULL;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
int bmcast = IS_MCAST(pattrib->dst);
//DBG_871X("bmcast=%d\n", bmcast);
if (_rtw_memcmp(pattrib->dst, adapter_mac_addr(padapter), ETH_ALEN) == _FALSE)
{
//DBG_871X("not ap psta=%p, addr=%pM\n", psta, pattrib->dst);
if(bmcast)
{
psta = rtw_get_bcmc_stainfo(padapter);
pskb2 = rtw_skb_clone(pkt);
} else {
psta = rtw_get_stainfo(pstapriv, pattrib->dst);
}
if(psta)
{
struct net_device *pnetdev= (struct net_device*)padapter->pnetdev;
//DBG_871X("directly forwarding to the rtw_xmit_entry\n");
//skb->ip_summed = CHECKSUM_NONE;
pkt->dev = pnetdev;
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
skb_set_queue_mapping(pkt, rtw_recv_select_queue(pkt));
#endif //LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35)
_rtw_xmit_entry(pkt, pnetdev);
if(bmcast && (pskb2 != NULL) ) {
pkt = pskb2;
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_mcast);
} else {
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_forward);
return;
}
}
}
else// to APself
{
//DBG_871X("to APSelf\n");
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_self);
}
}
#ifdef CONFIG_BR_EXT
// Insert NAT2.5 RX here!
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
br_port = padapter->pnetdev->br_port;
#else // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
rcu_read_lock();
br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
rcu_read_unlock();
#endif // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
if( br_port && (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == _TRUE) )
{
int nat25_handle_frame(_adapter *priv, struct sk_buff *skb);
if (nat25_handle_frame(padapter, pkt) == -1) {
//priv->ext_stats.rx_data_drops++;
//DEBUG_ERR("RX DROP: nat25_handle_frame fail!\n");
//return FAIL;
#if 1
// bypass this frame to upper layer!!
#else
rtw_skb_free(sub_skb);
continue;
#endif
}
}
#endif // CONFIG_BR_EXT
if( precvpriv->sink_udpport > 0)
rtw_sink_rtp_seq_dbg(padapter,pkt);
#ifdef DBG_UDP_PKT_LOSE_11AC
/* After eth_type_trans process , pkt->data pointer will move from ethrnet header to ip header ,
* we have to check ethernet type , so this debug must be print before eth_type_trans
*/
if (*((unsigned short *)(pkt->data+ETH_ALEN*2)) == htons(ETH_P_ARP)) {
/* ARP Payload length will be 42bytes or 42+18(tailer)=60bytes*/
if (pkt->len != 42 && pkt->len != 60)
DBG_871X("Error !!%s,ARP Payload length %u not correct\n" , __func__ , pkt->len);
} else if (*((unsigned short *)(pkt->data+ETH_ALEN*2)) == htons(ETH_P_IP)) {
if (be16_to_cpu(*((u16 *)(pkt->data+PAYLOAD_LEN_LOC_OF_IP_HDR))) != (pkt->len)-ETH_HLEN) {
DBG_871X("Error !!%s,Payload length not correct\n" , __func__);
DBG_871X("%s, IP header describe Total length=%u\n" , __func__ , be16_to_cpu(*((u16 *)(pkt->data+PAYLOAD_LEN_LOC_OF_IP_HDR))));
DBG_871X("%s, Pkt real length=%u\n" , __func__ , (pkt->len)-ETH_HLEN);
}
}
#endif
/* After eth_type_trans process , pkt->data pointer will move from ethrnet header to ip header */
pkt->protocol = eth_type_trans(pkt, padapter->pnetdev);
pkt->dev = padapter->pnetdev;
#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
if ( (pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1) ) {
pkt->ip_summed = CHECKSUM_UNNECESSARY;
} else {
pkt->ip_summed = CHECKSUM_NONE;
}
#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
pkt->ip_summed = CHECKSUM_NONE;
#endif //CONFIG_TCP_CSUM_OFFLOAD_RX
ret = rtw_netif_rx(padapter->pnetdev, pkt);
if (ret == NET_RX_SUCCESS)
DBG_COUNTER(padapter->rx_logs.os_netif_ok);
else
DBG_COUNTER(padapter->rx_logs.os_netif_err);
}
}
