_pkt *rtw_os_alloc_msdu_pkt(union recv_frame *prframe, u16 nSubframe_Length, u8 *pdata)
{
u16 eth_type;
u8 *data_ptr;
_pkt *sub_skb;
struct rx_pkt_attrib *pattrib;
pattrib = &prframe->u.hdr.attrib;
#ifdef CONFIG_SKB_COPY
sub_skb = rtw_skb_alloc(nSubframe_Length + 12);
if(sub_skb)
{
skb_reserve(sub_skb, 12);
data_ptr = (u8 *)skb_put(sub_skb, nSubframe_Length);
_rtw_memcpy(data_ptr, (pdata + ETH_HLEN), nSubframe_Length);
}
else
#endif // CONFIG_SKB_COPY
{
sub_skb = rtw_skb_clone(prframe->u.hdr.pkt);
if(sub_skb)
{
sub_skb->data = pdata + ETH_HLEN;
sub_skb->len = nSubframe_Length;
skb_set_tail_pointer(sub_skb, nSubframe_Length);
}
else
{
DBG_871X("%s(): rtw_skb_clone() Fail!!!\n",__FUNCTION__);
return NULL;
}
}
eth_type = RTW_GET_BE16(&sub_skb->data[6]);
if (sub_skb->len >= 8 &&
((_rtw_memcmp(sub_skb->data, rtw_rfc1042_header, SNAP_SIZE) &&
eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) ||
_rtw_memcmp(sub_skb->data, rtw_bridge_tunnel_header, SNAP_SIZE) )) {
/* remove RFC1042 or Bridge-Tunnel encapsulation and replace EtherType */
skb_pull(sub_skb, SNAP_SIZE);
_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src, ETH_ALEN);
_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst, ETH_ALEN);
} else {
u16 len;
/* Leave Ethernet header part of hdr and full payload */
len = htons(sub_skb->len);
_rtw_memcpy(skb_push(sub_skb, 2), &len, 2);
_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src, ETH_ALEN);
_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst, ETH_ALEN);
}
return sub_skb;
}
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);
}
}
int rtw_os_alloc_recvframe(_adapter *padapter, union recv_frame *precvframe, u8 *pdata, _pkt *pskb)
{
int res = _SUCCESS;
u8 shift_sz = 0;
u32 skb_len, alloc_sz;
_pkt *pkt_copy = NULL;
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
if(pdata == NULL)
{
precvframe->u.hdr.pkt = NULL;
res = _FAIL;
return res;
}
// Modified by Albert 20101213
// For 8 bytes IP header alignment.
shift_sz = pattrib->qos ? 6:0;// Qos data, wireless lan header length is 26
skb_len = pattrib->pkt_len;
// for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet.
// modify alloc_sz for recvive crc error packet by thomas 2011-06-02
if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0))
{
//alloc_sz = 1664; //1664 is 128 alignment.
alloc_sz = (skb_len <= 1650) ? 1664:(skb_len + 14);
}
else
{
alloc_sz = skb_len;
// 6 is for IP header 8 bytes alignment in QoS packet case.
// 8 is for skb->data 4 bytes alignment.
alloc_sz += 14;
}
pkt_copy = rtw_skb_alloc(alloc_sz);
if(pkt_copy)
{
pkt_copy->dev = padapter->pnetdev;
precvframe->u.hdr.pkt = pkt_copy;
precvframe->u.hdr.rx_head = pkt_copy->data;
precvframe->u.hdr.rx_end = pkt_copy->data + alloc_sz;
skb_reserve(pkt_copy, 8 - ((SIZE_PTR)( pkt_copy->data) & 7 ));//force pkt_copy->data at 8-byte alignment address
skb_reserve(pkt_copy, shift_sz);//force ip_hdr at 8-byte alignment address according to shift_sz.
_rtw_memcpy(pkt_copy->data, pdata, skb_len);
precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data;
}
else
{
#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
DBG_871X("%s:can not allocate memory for skb copy\n", __FUNCTION__);
precvframe->u.hdr.pkt = NULL;
//rtw_free_recvframe(precvframe, pfree_recv_queue);
//goto _exit_recvbuf2recvframe;
res = _FAIL;
#else
if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0))
{
DBG_871X("%s: alloc_skb fail , drop frag frame \n", __FUNCTION__);
//rtw_free_recvframe(precvframe, pfree_recv_queue);
res = _FAIL;
goto exit_rtw_os_recv_resource_alloc;
}
if(pskb == NULL)
{
res = _FAIL;
goto exit_rtw_os_recv_resource_alloc;
}
precvframe->u.hdr.pkt = rtw_skb_clone(pskb);
if(precvframe->u.hdr.pkt)
{
precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pdata;
precvframe->u.hdr.rx_end = pdata + alloc_sz;
}
else
{
DBG_871X("%s: rtw_skb_clone fail\n", __FUNCTION__);
//rtw_free_recvframe(precvframe, pfree_recv_queue);
//goto _exit_recvbuf2recvframe;
res = _FAIL;
}
#endif
}
exit_rtw_os_recv_resource_alloc:
return res;
}
static s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status)
{
s32 ret=_SUCCESS;
#ifdef CONFIG_CONCURRENT_MODE
u8 *secondary_myid, *paddr1;
union recv_frame *precvframe_if2 = NULL;
_adapter *primary_padapter = precvframe->u.hdr.adapter;
_adapter *secondary_padapter = primary_padapter->pbuddy_adapter;
struct recv_priv *precvpriv = &primary_padapter->recvpriv;
_queue *pfree_recv_queue = &precvpriv->free_recv_queue;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(primary_padapter);
if(!secondary_padapter)
return ret;
paddr1 = GetAddr1Ptr(precvframe->u.hdr.rx_data);
if(IS_MCAST(paddr1) == _FALSE)//unicast packets
{
secondary_myid = adapter_mac_addr(secondary_padapter);
if(_rtw_memcmp(paddr1, secondary_myid, ETH_ALEN))
{
//change to secondary interface
precvframe->u.hdr.adapter = secondary_padapter;
}
//ret = recv_entry(precvframe);
}
else // Handle BC/MC Packets
{
//clone/copy to if2
_pkt *pkt_copy = NULL;
struct rx_pkt_attrib *pattrib = NULL;
precvframe_if2 = rtw_alloc_recvframe(pfree_recv_queue);
if(!precvframe_if2)
return _FAIL;
precvframe_if2->u.hdr.adapter = secondary_padapter;
_rtw_memcpy(&precvframe_if2->u.hdr.attrib, &precvframe->u.hdr.attrib, sizeof(struct rx_pkt_attrib));
pattrib = &precvframe_if2->u.hdr.attrib;
//driver need to set skb len for skb_copy().
//If skb->len is zero, skb_copy() will not copy data from original skb.
skb_put(precvframe->u.hdr.pkt, pattrib->pkt_len);
pkt_copy = rtw_skb_copy( precvframe->u.hdr.pkt);
if (pkt_copy == NULL)
{
if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0))
{
DBG_8192C("pre_recv_entry(): rtw_skb_copy fail , drop frag frame \n");
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
return ret;
}
pkt_copy = rtw_skb_clone( precvframe->u.hdr.pkt);
if(pkt_copy == NULL)
{
DBG_8192C("pre_recv_entry(): rtw_skb_clone fail , drop frame\n");
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
return ret;
}
}
pkt_copy->dev = secondary_padapter->pnetdev;
precvframe_if2->u.hdr.pkt = pkt_copy;
precvframe_if2->u.hdr.rx_head = pkt_copy->head;
precvframe_if2->u.hdr.rx_data = pkt_copy->data;
precvframe_if2->u.hdr.rx_tail = skb_tail_pointer(pkt_copy);
precvframe_if2->u.hdr.rx_end = skb_end_pointer(pkt_copy);
precvframe_if2->u.hdr.len = pkt_copy->len;
//recvframe_put(precvframe_if2, pattrib->pkt_len);
if ( pHalData->ReceiveConfig & RCR_APPFCS)
recvframe_pull_tail(precvframe_if2, IEEE80211_FCS_LEN);
if (pattrib->physt)
rx_query_phy_status(precvframe_if2, pphy_status);
if(rtw_recv_entry(precvframe_if2) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,
("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n"));
}
}
//if (precvframe->u.hdr.attrib.physt)
// rx_query_phy_status(precvframe, pphy_status);
//ret = rtw_recv_entry(precvframe);
#endif
return ret;
}
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 void rtl8723bs_recv_tasklet(void *priv)
{
PADAPTER padapter;
PHAL_DATA_TYPE pHalData;
struct recv_priv *precvpriv;
struct recv_buf *precvbuf;
union recv_frame *precvframe;
struct recv_frame_hdr *phdr;
struct rx_pkt_attrib *pattrib;
u8 *ptr;
_pkt *ppkt;
u32 pkt_offset;
_irqL irql;
padapter = (PADAPTER)priv;
pHalData = GET_HAL_DATA(padapter);
precvpriv = &padapter->recvpriv;
do {
precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue);
if (NULL == precvbuf) break;
ptr = precvbuf->pdata;
while (ptr < precvbuf->ptail)
{
precvframe = rtw_alloc_recvframe(&precvpriv->free_recv_queue);
if (precvframe == NULL) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("rtl8723bs_recv_tasklet: no enough recv frame!\n"));
rtw_enqueue_recvbuf_to_head(precvbuf, &precvpriv->recv_buf_pending_queue);
// The case of can't allocte recvframe should be temporary,
// schedule again and hope recvframe is available next time.
#ifdef PLATFORM_LINUX
tasklet_schedule(&precvpriv->recv_tasklet);
#endif
return;
}
phdr = &precvframe->u.hdr;
pattrib = &phdr->attrib;
rtl8723b_query_rx_desc_status(precvframe, ptr);
#if 0
{
int i, len = 64;
u8 *pptr = ptr;
if((*(pptr + RXDESC_SIZE + pattrib->drvinfo_sz) != 0x80) && (*(pptr + RXDESC_SIZE + pattrib->drvinfo_sz) != 0x40))
{
DBG_871X("##############RxDESC############### \n");
for(i=0; i<32;i=i+16)
DBG_871X("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:\n", *(pptr+i),
*(pptr+i+1), *(pptr+i+2) ,*(pptr+i+3) ,*(pptr+i+4),*(pptr+i+5), *(pptr+i+6), *(pptr+i+7), *(pptr+i+8), *(pptr+i+9), *(pptr+i+10),
*(pptr+i+11), *(pptr+i+12), *(pptr+i+13), *(pptr+i+14), *(pptr+i+15));
if(pattrib->pkt_len < 100)
len = pattrib->pkt_len;
pptr = ptr + RXDESC_SIZE + pattrib->drvinfo_sz;
DBG_871X("##############Len=%d############### \n", pattrib->pkt_len);
for(i=0; i<len;i=i+16)
DBG_871X("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:\n", *(pptr+i),
*(pptr+i+1), *(pptr+i+2) ,*(pptr+i+3) ,*(pptr+i+4),*(pptr+i+5), *(pptr+i+6), *(pptr+i+7), *(pptr+i+8), *(pptr+i+9), *(pptr+i+10),
*(pptr+i+11), *(pptr+i+12), *(pptr+i+13), *(pptr+i+14), *(pptr+i+15));
DBG_871X("############################# \n");
}
}
#endif
// fix Hardware RX data error, drop whole recv_buffer
if ((!(pHalData->ReceiveConfig & RCR_ACRC32)) && pattrib->crc_err)
{
DBG_8192C("%s()-%d: RX Warning! rx CRC ERROR !!\n", __FUNCTION__, __LINE__);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->pkt_len;
#if 0 // reduce check to speed up
if ((ptr + pkt_offset) > precvbuf->ptail) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
("%s: next pkt len(%p,%d) exceed ptail(%p)!\n",
__FUNCTION__, ptr, pkt_offset, precvbuf->ptail));
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
#endif
if ((pattrib->crc_err) || (pattrib->icv_err))
{
#ifdef CONFIG_MP_INCLUDED
if (padapter->registrypriv.mp_mode == 1)
{
if ((check_fwstate(&padapter->mlmepriv, WIFI_MP_STATE) == _TRUE))//&&(padapter->mppriv.check_mp_pkt == 0))
{
if (pattrib->crc_err == 1)
padapter->mppriv.rx_crcerrpktcount++;
}
}
else
#endif
{
DBG_8192C("%s: crc_err=%d icv_err=%d, skip!\n", __FUNCTION__, pattrib->crc_err, pattrib->icv_err);
}
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
}
else
{
ppkt = rtw_skb_clone(precvbuf->pskb);
if (ppkt == NULL) {
DBG_8192C("%s: no enough memory to allocate SKB!\n", __FUNCTION__);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
rtw_enqueue_recvbuf_to_head(precvbuf, &precvpriv->recv_buf_pending_queue);
// The case of can't allocte skb is serious and may never be recovered,
// once bDriverStopped is enable, this task should be stopped.
if (padapter->bDriverStopped == _FALSE) {
#ifdef PLATFORM_LINUX
tasklet_schedule(&precvpriv->recv_tasklet);
#endif
}
return;
}
phdr->pkt = ppkt;
phdr->len = 0;
phdr->rx_head = precvbuf->phead;
phdr->rx_data = phdr->rx_tail = precvbuf->pdata;
phdr->rx_end = precvbuf->pend;
recvframe_put(precvframe, pkt_offset);
recvframe_pull(precvframe, RXDESC_SIZE + pattrib->drvinfo_sz);
if (pHalData->ReceiveConfig & RCR_APPFCS)
recvframe_pull_tail(precvframe, IEEE80211_FCS_LEN);
// move to drv info position
ptr += RXDESC_SIZE;
// update drv info
if (pHalData->ReceiveConfig & RCR_APP_BA_SSN) {
//rtl8723s_update_bassn(padapter, pdrvinfo);
ptr += 4;
}
if (pattrib->pkt_rpt_type == NORMAL_RX) {
#ifdef CONFIG_CONCURRENT_MODE
if (rtw_buddy_adapter_up(padapter))
{
if (pre_recv_entry(precvframe, precvbuf, ptr) != _SUCCESS) {
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,
("recvbuf2recvframe: recv_entry(precvframe) != _SUCCESS\n"));
}
}
else
#endif
{
if (pattrib->physt)
rx_query_phy_status(precvframe, ptr);
if (rtw_recv_entry(precvframe) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("rtl8723bs_recv_tasklet: rtw_recv_entry(precvframe) != _SUCCESS\n"));
}
}
}
else {
#ifdef CONFIG_C2H_PACKET_EN
if (pattrib->pkt_rpt_type == C2H_PACKET) {
rtl8723b_c2h_packet_handler(padapter, precvframe->u.hdr.rx_data, pattrib->pkt_len);
}
else {
DBG_8192C("%s: [WARNNING] RX type(%d) not be handled!\n",
__FUNCTION__, pattrib->pkt_rpt_type);
}
#endif
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
}
}
pkt_offset = _RND8(pkt_offset);
precvbuf->pdata += pkt_offset;
ptr = precvbuf->pdata;
}
rtw_skb_free(precvbuf->pskb);
precvbuf->pskb = NULL;
rtw_enqueue_recvbuf(precvbuf, &precvpriv->free_recv_buf_queue);
} while (1);
}
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;
#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
#endif
#ifdef CONFIG_BR_EXT
void *br_port = NULL;
#endif
_func_enter_;
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
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, skb->end, skb->len));
if(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
{
_pkt *pskb2=NULL;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
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(skb);
} 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;
skb->dev = pnetdev;
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
skb_set_queue_mapping(skb, rtw_recv_select_queue(skb));
#endif //LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35)
_rtw_xmit_entry(skb, pnetdev);
if(bmcast)
skb = pskb2;
else
goto _recv_indicatepkt_end;
}
}
else// to APself
{
//DBG_871X("to APSelf\n");
}
}
#ifdef CONFIG_BR_EXT
#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, skb) == -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
goto _recv_indicatepkt_drop;
#endif
}
}
#endif // CONFIG_BR_EXT
#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
if ( (pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1) ) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
//DBG_871X("CHECKSUM_UNNECESSARY \n");
} else {
skb->ip_summed = CHECKSUM_NONE;
//DBG_871X("CHECKSUM_NONE(%d, %d) \n", pattrib->tcpchk_valid, pattrib->tcp_chkrpt);
}
#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
skb->ip_summed = CHECKSUM_NONE;
#endif
skb->dev = padapter->pnetdev;
skb->protocol = eth_type_trans(skb, padapter->pnetdev);
rtw_netif_rx(padapter->pnetdev, skb);
_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_netif_rx!!!!\n"));
_func_exit_;
return _SUCCESS;
_recv_indicatepkt_drop:
//enqueue back to free_recv_queue
if(precv_frame)
rtw_free_recvframe(precv_frame, pfree_recv_queue);
return _FAIL;
_func_exit_;
}
static void rtl8723bs_recv_tasklet(void *priv)
{
PADAPTER padapter;
PHAL_DATA_TYPE pHalData;
struct recv_priv *precvpriv;
struct recv_buf *precvbuf;
union recv_frame *precvframe;
struct recv_frame_hdr *phdr;
struct rx_pkt_attrib *pattrib;
_irqL irql;
u8 *ptr;
u32 pkt_len, pkt_offset, skb_len, alloc_sz;
_pkt *pkt_copy = NULL;
u8 shift_sz = 0, rx_report_sz = 0;
padapter = (PADAPTER)priv;
pHalData = GET_HAL_DATA(padapter);
precvpriv = &padapter->recvpriv;
do {
precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue);
if (NULL == precvbuf) break;
ptr = precvbuf->pdata;
while (ptr < precvbuf->ptail)
{
precvframe = rtw_alloc_recvframe(&precvpriv->free_recv_queue);
if (precvframe == NULL)
{
DBG_8192C("%s: no enough recv frame!\n", __FUNCTION__);
rtw_enqueue_recvbuf_to_head(precvbuf, &precvpriv->recv_buf_pending_queue);
// The case of can't allocte recvframe should be temporary,
// schedule again and hope recvframe is available next time.
#ifdef PLATFORM_LINUX
tasklet_schedule(&precvpriv->recv_tasklet);
#endif
return;
}
//rx desc parsing
rtl8723b_query_rx_desc_status(precvframe, ptr);
pattrib = &precvframe->u.hdr.attrib;
// fix Hardware RX data error, drop whole recv_buffer
if ((!(pHalData->ReceiveConfig & RCR_ACRC32)) && pattrib->crc_err)
{
#if !(MP_DRIVER==1)
DBG_8192C("%s()-%d: RX Warning! rx CRC ERROR !!\n", __FUNCTION__, __LINE__);
#endif
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
rx_report_sz = RXDESC_SIZE + pattrib->drvinfo_sz;
pkt_offset = rx_report_sz + pattrib->shift_sz + pattrib->pkt_len;
if ((ptr + pkt_offset) > precvbuf->ptail) {
DBG_8192C("%s()-%d: : next pkt len(%p,%d) exceed ptail(%p)!\n", __FUNCTION__, __LINE__, ptr, pkt_offset, precvbuf->ptail);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
if ((pattrib->crc_err) || (pattrib->icv_err))
{
#ifdef CONFIG_MP_INCLUDED
if (padapter->registrypriv.mp_mode == 1)
{
if ((check_fwstate(&padapter->mlmepriv, WIFI_MP_STATE) == _TRUE))//&&(padapter->mppriv.check_mp_pkt == 0))
{
if (pattrib->crc_err == 1)
padapter->mppriv.rx_crcerrpktcount++;
}
}
else
#endif
{
DBG_8192C("%s: crc_err=%d icv_err=%d, skip!\n", __FUNCTION__, pattrib->crc_err, pattrib->icv_err);
}
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
}
else
{
// Modified by Albert 20101213
// For 8 bytes IP header alignment.
if (pattrib->qos) // Qos data, wireless lan header length is 26
{
shift_sz = 6;
}
else
{
shift_sz = 0;
}
skb_len = pattrib->pkt_len;
// for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet.
// modify alloc_sz for recvive crc error packet by thomas 2011-06-02
if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)){
//alloc_sz = 1664; //1664 is 128 alignment.
if(skb_len <= 1650)
alloc_sz = 1664;
else
alloc_sz = skb_len + 14;
}
else {
alloc_sz = skb_len;
// 6 is for IP header 8 bytes alignment in QoS packet case.
// 8 is for skb->data 4 bytes alignment.
alloc_sz += 14;
}
pkt_copy = rtw_skb_alloc(alloc_sz);
if (pkt_copy)
{
pkt_copy->dev = padapter->pnetdev;
precvframe->u.hdr.pkt = pkt_copy;
skb_reserve( pkt_copy, 8 - ((SIZE_PTR)( pkt_copy->data ) & 7 ));//force pkt_copy->data at 8-byte alignment address
skb_reserve( pkt_copy, shift_sz );//force ip_hdr at 8-byte alignment address according to shift_sz.
_rtw_memcpy(pkt_copy->data, (ptr + rx_report_sz + pattrib->shift_sz), skb_len);
precvframe->u.hdr.rx_head = pkt_copy->head;
precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data;
precvframe->u.hdr.rx_end = skb_end_pointer(pkt_copy);
}
else
{
if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0))
{
DBG_8192C("%s: alloc_skb fail, drop frag frame\n", __FUNCTION__);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
precvframe->u.hdr.pkt = rtw_skb_clone(precvbuf->pskb);
if(precvframe->u.hdr.pkt)
{
_pkt *pkt_clone = precvframe->u.hdr.pkt;
pkt_clone->data = ptr + rx_report_sz + pattrib->shift_sz;
skb_reset_tail_pointer(pkt_clone);
precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail
= pkt_clone->data;
precvframe->u.hdr.rx_end = pkt_clone->data + skb_len;
}
else
{
DBG_8192C("%s: rtw_skb_clone fail\n", __FUNCTION__);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
}
recvframe_put(precvframe, skb_len);
//recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE);
if (pHalData->ReceiveConfig & RCR_APPFCS)
recvframe_pull_tail(precvframe, IEEE80211_FCS_LEN);
// move to drv info position
ptr += RXDESC_SIZE;
// update drv info
if (pHalData->ReceiveConfig & RCR_APP_BA_SSN) {
//rtl8723s_update_bassn(padapter, pdrvinfo);
ptr += 4;
}
if (pattrib->pkt_rpt_type == NORMAL_RX) {
// skip the rx packet with abnormal length
if (pattrib->pkt_len < 14 || pattrib->pkt_len > 8192) {
DBG_8192C("skip abnormal rx packet(%d)\n", pattrib->pkt_len);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
#ifdef CONFIG_CONCURRENT_MODE
if (rtw_buddy_adapter_up(padapter))
{
if (pre_recv_entry(precvframe, precvbuf, ptr) != _SUCCESS) {
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,
("recvbuf2recvframe: recv_entry(precvframe) != _SUCCESS\n"));
}
}
else
#endif
{
if (pattrib->physt)
rx_query_phy_status(precvframe, ptr);
if (rtw_recv_entry(precvframe) != _SUCCESS) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_dump_, ("%s: rtw_recv_entry(precvframe) != _SUCCESS\n",__FUNCTION__));
}
}
}
else {
#ifdef CONFIG_C2H_PACKET_EN
if (pattrib->pkt_rpt_type == C2H_PACKET) {
rtl8723b_c2h_packet_handler(padapter, precvframe->u.hdr.rx_data, pattrib->pkt_len);
}
else {
DBG_8192C("%s: [WARNNING] RX type(%d) not be handled!\n",
__FUNCTION__, pattrib->pkt_rpt_type);
}
#endif
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
}
}
pkt_offset = _RND8(pkt_offset);
precvbuf->pdata += pkt_offset;
ptr = precvbuf->pdata;
precvframe = NULL;
pkt_copy = NULL;
}
rtw_enqueue_recvbuf(precvbuf, &precvpriv->free_recv_buf_queue);
} while (1);
}
static void rtl8723bs_recv_tasklet(void *priv)
{
PADAPTER padapter;
PHAL_DATA_TYPE pHalData;
struct recv_priv *precvpriv;
struct recv_buf *precvbuf;
union recv_frame *precvframe;
struct rx_pkt_attrib *pattrib;
u8 *ptr;
u32 pkt_offset, skb_len, alloc_sz;
_pkt *pkt_copy = NULL;
u8 shift_sz = 0, rx_report_sz = 0;
padapter = (PADAPTER)priv;
pHalData = GET_HAL_DATA(padapter);
precvpriv = &padapter->recvpriv;
do {
precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue);
if (NULL == precvbuf) break;
ptr = precvbuf->pdata;
while (ptr < precvbuf->ptail)
{
precvframe = rtw_alloc_recvframe(&precvpriv->free_recv_queue);
if (precvframe == NULL)
{
DBG_8192C("%s: no enough recv frame!\n", __FUNCTION__);
rtw_enqueue_recvbuf_to_head(precvbuf, &precvpriv->recv_buf_pending_queue);
/* The case of can't allocte recvframe should be temporary, */
/* schedule again and hope recvframe is available next time. */
tasklet_schedule(&precvpriv->recv_tasklet);
return;
}
/* rx desc parsing */
update_recvframe_attrib(padapter, precvframe, (struct recv_stat*)ptr);
pattrib = &precvframe->u.hdr.attrib;
/* fix Hardware RX data error, drop whole recv_buffer */
if ((!(pHalData->ReceiveConfig & RCR_ACRC32)) && pattrib->crc_err)
{
DBG_8192C("%s()-%d: RX Warning! rx CRC ERROR !!\n", __FUNCTION__, __LINE__);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
rx_report_sz = RXDESC_SIZE + pattrib->drvinfo_sz;
pkt_offset = rx_report_sz + pattrib->shift_sz + pattrib->pkt_len;
if ((ptr + pkt_offset) > precvbuf->ptail) {
DBG_8192C("%s()-%d: : next pkt len(%p,%d) exceed ptail(%p)!\n", __FUNCTION__, __LINE__, ptr, pkt_offset, precvbuf->ptail);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
if ((pattrib->crc_err) || (pattrib->icv_err))
{
{
DBG_8192C("%s: crc_err =%d icv_err =%d, skip!\n", __FUNCTION__, pattrib->crc_err, pattrib->icv_err);
}
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
}
else
{
/* Modified by Albert 20101213 */
/* For 8 bytes IP header alignment. */
if (pattrib->qos) /* Qos data, wireless lan header length is 26 */
{
shift_sz = 6;
}
else
{
shift_sz = 0;
}
skb_len = pattrib->pkt_len;
/* for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet. */
/* modify alloc_sz for recvive crc error packet by thomas 2011-06-02 */
if ((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)){
if (skb_len <= 1650)
alloc_sz = 1664;
else
alloc_sz = skb_len + 14;
}
else {
alloc_sz = skb_len;
/* 6 is for IP header 8 bytes alignment in QoS packet case. */
/* 8 is for skb->data 4 bytes alignment. */
alloc_sz += 14;
}
pkt_copy = rtw_skb_alloc(alloc_sz);
if (pkt_copy)
{
pkt_copy->dev = padapter->pnetdev;
precvframe->u.hdr.pkt = pkt_copy;
skb_reserve(pkt_copy, 8 - ((SIZE_PTR)(pkt_copy->data) & 7));/* force pkt_copy->data at 8-byte alignment address */
skb_reserve(pkt_copy, shift_sz);/* force ip_hdr at 8-byte alignment address according to shift_sz. */
memcpy(pkt_copy->data, (ptr + rx_report_sz + pattrib->shift_sz), skb_len);
precvframe->u.hdr.rx_head = pkt_copy->head;
precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data;
precvframe->u.hdr.rx_end = skb_end_pointer(pkt_copy);
}
else
{
if ((pattrib->mfrag == 1)&&(pattrib->frag_num == 0))
{
DBG_8192C("%s: alloc_skb fail, drop frag frame\n", __FUNCTION__);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
precvframe->u.hdr.pkt = rtw_skb_clone(precvbuf->pskb);
if (precvframe->u.hdr.pkt)
{
_pkt *pkt_clone = precvframe->u.hdr.pkt;
pkt_clone->data = ptr + rx_report_sz + pattrib->shift_sz;
skb_reset_tail_pointer(pkt_clone);
precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail
= pkt_clone->data;
precvframe->u.hdr.rx_end = pkt_clone->data + skb_len;
}
else
{
DBG_8192C("%s: rtw_skb_clone fail\n", __FUNCTION__);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
}
recvframe_put(precvframe, skb_len);
/* recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE); */
if (pHalData->ReceiveConfig & RCR_APPFCS)
recvframe_pull_tail(precvframe, IEEE80211_FCS_LEN);
/* move to drv info position */
ptr += RXDESC_SIZE;
/* update drv info */
if (pHalData->ReceiveConfig & RCR_APP_BA_SSN) {
/* rtl8723s_update_bassn(padapter, pdrvinfo); */
ptr += 4;
}
if (pattrib->pkt_rpt_type == NORMAL_RX)/* Normal rx packet */
{
if (pattrib->physt)
update_recvframe_phyinfo(precvframe, (struct phy_stat*)ptr);
if (rtw_recv_entry(precvframe) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_dump_, ("%s: rtw_recv_entry(precvframe) != _SUCCESS\n", __FUNCTION__));
}
}
else if (pattrib->pkt_rpt_type == C2H_PACKET)
{
C2H_EVT_HDR C2hEvent;
u16 len_c2h = pattrib->pkt_len;
u8 *pbuf_c2h = precvframe->u.hdr.rx_data;
u8 *pdata_c2h;
C2hEvent.CmdID = pbuf_c2h[0];
C2hEvent.CmdSeq = pbuf_c2h[1];
C2hEvent.CmdLen = (len_c2h -2);
pdata_c2h = pbuf_c2h+2;
if (C2hEvent.CmdID == C2H_CCX_TX_RPT)
{
CCX_FwC2HTxRpt_8723b(padapter, pdata_c2h, C2hEvent.CmdLen);
}
else
{
rtl8723bs_c2h_packet_handler(padapter, precvframe->u.hdr.rx_data, pattrib->pkt_len);
}
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
}
}
pkt_offset = _RND8(pkt_offset);
precvbuf->pdata += pkt_offset;
ptr = precvbuf->pdata;
precvframe = NULL;
pkt_copy = NULL;
}
rtw_enqueue_recvbuf(precvbuf, &precvpriv->free_recv_buf_queue);
} while (1);
}
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);
}
}
static void rtl8723as_recv_tasklet(void *priv)
{
PADAPTER padapter;
PHAL_DATA_TYPE pHalData;
struct recv_priv *precvpriv;
struct recv_buf *precvbuf;
union recv_frame *precvframe;
struct recv_frame_hdr *phdr;
struct rx_pkt_attrib *pattrib;
u8 *ptr;
_pkt *ppkt;
u32 pkt_offset;
_irqL irql;
padapter = (PADAPTER)priv;
pHalData = GET_HAL_DATA(padapter);
precvpriv = &padapter->recvpriv;
do {
precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue);
if (NULL == precvbuf) break;
ptr = precvbuf->pdata;
while (ptr < precvbuf->ptail)
{
precvframe = rtw_alloc_recvframe(&precvpriv->free_recv_queue);
if (precvframe == NULL) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("rtl8723as_recv_tasklet: no enough recv frame!\n"));
rtw_enqueue_recvbuf_to_head(precvbuf, &precvpriv->recv_buf_pending_queue);
// The case of can't allocte recvframe should be temporary,
// schedule again and hope recvframe is available next time.
#ifdef PLATFORM_LINUX
tasklet_schedule(&precvpriv->recv_tasklet);
#endif
return;
}
phdr = &precvframe->u.hdr;
pattrib = &phdr->attrib;
update_recvframe_attrib(precvframe, (struct recv_stat*)ptr);
// fix Hardware RX data error, drop whole recv_buffer
if ((!(pHalData->ReceiveConfig & RCR_ACRC32)) && pattrib->crc_err)
{
if (padapter->registrypriv.mp_mode == 1)
padapter->mppriv.rx_crcerrpktcount++;
else
DBG_8192C("%s()-%d: RX Warning! rx CRC ERROR !!\n", __FUNCTION__, __LINE__);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->pkt_len;
#if 0 // reduce check to speed up
if ((ptr + pkt_offset) > precvbuf->ptail) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
("%s: next pkt len(%p,%d) exceed ptail(%p)!\n",
__FUNCTION__, ptr, pkt_offset, precvbuf->ptail));
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
#endif
if ((pattrib->crc_err) || (pattrib->icv_err))
{
if (padapter->registrypriv.mp_mode == 0)
DBG_8192C("%s: crc_err=%d icv_err=%d, skip!\n", __FUNCTION__, pattrib->crc_err, pattrib->icv_err);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
}
else
{
ppkt = rtw_skb_clone(precvbuf->pskb);
if (ppkt == NULL)
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_crit_, ("rtl8723as_recv_tasklet: no enough memory to allocate SKB!\n"));
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
rtw_enqueue_recvbuf_to_head(precvbuf, &precvpriv->recv_buf_pending_queue);
// The case of can't allocte skb is serious and may never be recovered,
// once bDriverStopped is enable, this task should be stopped.
if (padapter->bDriverStopped == _FALSE) {
#ifdef PLATFORM_LINUX
tasklet_schedule(&precvpriv->recv_tasklet);
#endif
}
return;
}
phdr->pkt = ppkt;
phdr->len = 0;
phdr->rx_head = precvbuf->phead;
phdr->rx_data = phdr->rx_tail = precvbuf->pdata;
phdr->rx_end = precvbuf->pend;
recvframe_put(precvframe, pkt_offset);
recvframe_pull(precvframe, RXDESC_SIZE + pattrib->drvinfo_sz);
if (pHalData->ReceiveConfig & RCR_APPFCS)
recvframe_pull_tail(precvframe, IEEE80211_FCS_LEN);
// move to drv info position
ptr += RXDESC_SIZE;
// update drv info
if (pHalData->ReceiveConfig & RCR_APP_BA_SSN) {
// rtl8723s_update_bassn(padapter, pdrvinfo);
ptr += 4;
}
#ifdef CONFIG_CONCURRENT_MODE
if(rtw_buddy_adapter_up(padapter))
{
if(pre_recv_entry(precvframe, precvbuf, (struct phy_stat*)ptr) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,
("recvbuf2recvframe: recv_entry(precvframe) != _SUCCESS\n"));
}
}
else
#endif
{
if (pattrib->physt)
update_recvframe_phyinfo(precvframe, (struct phy_stat*)ptr);
if (rtw_recv_entry(precvframe) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("rtl8723as_recv_tasklet: rtw_recv_entry(precvframe) != _SUCCESS\n"));
}
}
}
// Page size of receive package is 128 bytes alignment => DMA agg
// refer to _InitTransferPageSize()
pkt_offset = _RND128(pkt_offset);
precvbuf->pdata += pkt_offset;
ptr = precvbuf->pdata;
}
rtw_skb_free(precvbuf->pskb);
precvbuf->pskb = NULL;
rtw_enqueue_recvbuf(precvbuf, &precvpriv->free_recv_buf_queue);
} while (1);
}
void rtl8723as_recv(PADAPTER padapter, struct recv_buf *precvbuf)
{
//PADAPTER padapter;
PHAL_DATA_TYPE pHalData;
struct recv_priv *precvpriv;
//struct recv_buf *precvbuf;
union recv_frame *precvframe;
struct recv_frame_hdr *phdr;
struct rx_pkt_attrib *pattrib;
_irqL irql;
u8 *ptr;
u32 pkt_len, pkt_offset, skb_len, alloc_sz;
_pkt *pkt_copy = NULL;
u8 shift_sz = 0, rx_report_sz = 0;
pHalData = GET_HAL_DATA(padapter);
precvpriv = &padapter->recvpriv;
ptr = precvbuf->pdata;
while (ptr < precvbuf->ptail)
{
precvframe = rtw_alloc_recvframe(&precvpriv->free_recv_queue);
if (precvframe == NULL) {
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("%s: no enough recv frame!\n",__FUNCTION__));
break;
}
//rx desc parsing
update_recvframe_attrib(precvframe, (struct recv_stat*)ptr);
pattrib = &precvframe->u.hdr.attrib;
// fix Hardware RX data error, drop whole recv_buffer
if ((!(pHalData->ReceiveConfig & RCR_ACRC32)) && pattrib->crc_err)
{
if (padapter->registrypriv.mp_mode == 1)
padapter->mppriv.rx_crcerrpktcount++;
else
DBG_8192C("%s()-%d: RX Warning! rx CRC ERROR !!\n", __FUNCTION__, __LINE__);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
if (pHalData->ReceiveConfig & RCR_APP_BA_SSN)
rx_report_sz = RXDESC_SIZE + 4 + pattrib->drvinfo_sz;
else
rx_report_sz = RXDESC_SIZE + pattrib->drvinfo_sz;
pkt_offset = rx_report_sz + pattrib->pkt_len;
if ((ptr + pkt_offset) > precvbuf->ptail) {
DBG_8192C("%s()-%d: : next pkt len(%p,%d) exceed ptail(%p)!\n", __FUNCTION__, __LINE__, ptr, pkt_offset, precvbuf->ptail);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
if ((pattrib->crc_err) || (pattrib->icv_err))
{
if (padapter->registrypriv.mp_mode == 0)
DBG_8192C("%s: crc_err=%d icv_err=%d, skip!\n", __FUNCTION__, pattrib->crc_err, pattrib->icv_err);
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
}
else
{
// Modified by Albert 20101213
// For 8 bytes IP header alignment.
if (pattrib->qos) // Qos data, wireless lan header length is 26
{
shift_sz = 6;
}
else
{
shift_sz = 0;
}
skb_len = pattrib->pkt_len;
// for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet.
// modify alloc_sz for recvive crc error packet by thomas 2011-06-02
if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)){
//alloc_sz = 1664; //1664 is 128 alignment.
if(skb_len <= 1650)
alloc_sz = 1664;
else
alloc_sz = skb_len + 14;
}
else {
alloc_sz = skb_len;
// 6 is for IP header 8 bytes alignment in QoS packet case.
// 8 is for skb->data 4 bytes alignment.
alloc_sz += 14;
}
pkt_copy = rtw_skb_alloc(alloc_sz);
if(pkt_copy)
{
pkt_copy->dev = padapter->pnetdev;
precvframe->u.hdr.pkt = pkt_copy;
skb_reserve( pkt_copy, 8 - ((SIZE_PTR)( pkt_copy->data ) & 7 ));//force pkt_copy->data at 8-byte alignment address
skb_reserve( pkt_copy, shift_sz );//force ip_hdr at 8-byte alignment address according to shift_sz.
_rtw_memcpy(pkt_copy->data, (ptr + rx_report_sz), skb_len);
precvframe->u.hdr.rx_head = pkt_copy->head;
precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data;
precvframe->u.hdr.rx_end = skb_end_pointer(pkt_copy);
}
else
{
if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0))
{
DBG_8192C("rtl8723as_recv_tasklet: alloc_skb fail , drop frag frame \n");
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
precvframe->u.hdr.pkt = rtw_skb_clone(precvbuf->pskb);
if(precvframe->u.hdr.pkt)
{
_pkt *pkt_clone = precvframe->u.hdr.pkt;
pkt_clone->data = ptr + rx_report_sz;
skb_reset_tail_pointer(pkt_clone);
precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail
= pkt_clone->data;
precvframe->u.hdr.rx_end = pkt_clone->data + skb_len;
}
else
{
DBG_8192C("rtl8723as_recv_tasklet: rtw_skb_clone fail\n");
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
break;
}
}
recvframe_put(precvframe, skb_len);
//recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE);
if (pHalData->ReceiveConfig & RCR_APPFCS)
recvframe_pull_tail(precvframe, IEEE80211_FCS_LEN);
// move to drv info position
ptr += RXDESC_SIZE;
// update drv info
if (pHalData->ReceiveConfig & RCR_APP_BA_SSN) {
//rtl8723s_update_bassn(padapter, pdrvinfo);
ptr += 4;
}
#ifdef CONFIG_CONCURRENT_MODE
if(rtw_buddy_adapter_up(padapter))
{
if(pre_recv_entry(precvframe, precvbuf, (struct phy_stat*)ptr) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,
("recvbuf2recvframe: recv_entry(precvframe) != _SUCCESS\n"));
}
}
else
#endif
{
if (pattrib->physt)
update_recvframe_phyinfo(precvframe, (struct phy_stat*)ptr);
if (rtw_recv_entry(precvframe) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("%s: rtw_recv_entry(precvframe) != _SUCCESS\n",__FUNCTION__));
}
}
}
// Page size of receive package is 128 bytes alignment =>DMA AGG
// refer to _InitTransferPageSize()
pkt_offset = _RND128(pkt_offset);
precvbuf->pdata += pkt_offset;
ptr = precvbuf->pdata;
precvframe = NULL;
pkt_copy = NULL;
}
rtw_enqueue_recvbuf(precvbuf, &precvpriv->free_recv_buf_queue);
}
