rtl8188eu/hal/rtl8188e/sdio/rtl8189es_recv.c

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/******************************************************************************
*
* Copyright(c) 2007 - 2011 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 _RTL8189ES_RECV_C_
#include <drv_conf.h>
#include <drv_types.h>
#include <recv_osdep.h>
#include <rtl8188e_hal.h>
static void rtl8188es_recv_tasklet(void *priv);
static s32 initrecvbuf(struct recv_buf *precvbuf, PADAPTER padapter)
{
_rtw_init_listhead(&precvbuf->list);
_rtw_spinlock_init(&precvbuf->recvbuf_lock);
precvbuf->adapter = padapter;
return _SUCCESS;
}
static void freerecvbuf(struct recv_buf *precvbuf)
{
_rtw_spinlock_free(&precvbuf->recvbuf_lock);
}
/*
* Initialize recv private variable for hardware dependent
* 1. recv buf
* 2. recv tasklet
*
*/
s32 rtl8188es_init_recv_priv(PADAPTER padapter)
{
s32 res;
u32 i, n;
struct recv_priv *precvpriv;
struct recv_buf *precvbuf;
res = _SUCCESS;
precvpriv = &padapter->recvpriv;
//3 1. init recv buffer
_rtw_init_queue(&precvpriv->free_recv_buf_queue);
_rtw_init_queue(&precvpriv->recv_buf_pending_queue);
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
precvpriv->pallocated_recv_buf = rtw_zmalloc(n);
if (precvpriv->pallocated_recv_buf == NULL) {
res = _FAIL;
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("alloc recv_buf fail!\n"));
goto exit;
}
precvpriv->precv_buf = (u8*)N_BYTE_ALIGMENT((SIZE_PTR)(precvpriv->pallocated_recv_buf), 4);
// init each recv buffer
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
for (i = 0; i < NR_RECVBUFF; i++)
{
res = initrecvbuf(precvbuf, padapter);
if (res == _FAIL)
break;
res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
if (res == _FAIL) {
freerecvbuf(precvbuf);
break;
}
#ifdef CONFIG_SDIO_RX_COPY
if (precvbuf->pskb == NULL) {
SIZE_PTR tmpaddr=0;
SIZE_PTR alignment=0;
precvbuf->pskb = rtw_skb_alloc(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
if(precvbuf->pskb)
{
precvbuf->pskb->dev = padapter->pnetdev;
tmpaddr = (SIZE_PTR)precvbuf->pskb->data;
alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
precvbuf->phead = precvbuf->pskb->head;
precvbuf->pdata = precvbuf->pskb->data;
precvbuf->ptail = skb_tail_pointer(precvbuf->pskb);
precvbuf->pend = skb_end_pointer(precvbuf->pskb);
precvbuf->len = 0;
}
if (precvbuf->pskb == NULL) {
DBG_871X("%s: alloc_skb fail!\n", __FUNCTION__);
}
}
#endif
rtw_list_insert_tail(&precvbuf->list, &precvpriv->free_recv_buf_queue.queue);
precvbuf++;
}
precvpriv->free_recv_buf_queue_cnt = i;
if (res == _FAIL)
goto initbuferror;
//3 2. init tasklet
tasklet_init(&precvpriv->recv_tasklet,
(void(*)(unsigned long))rtl8188es_recv_tasklet,
(unsigned long)padapter);
goto exit;
initbuferror:
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
if (precvbuf) {
n = precvpriv->free_recv_buf_queue_cnt;
precvpriv->free_recv_buf_queue_cnt = 0;
for (i = 0; i < n ; i++)
{
rtw_list_delete(&precvbuf->list);
rtw_os_recvbuf_resource_free(padapter, precvbuf);
freerecvbuf(precvbuf);
precvbuf++;
}
precvpriv->precv_buf = NULL;
}
if (precvpriv->pallocated_recv_buf) {
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
rtw_mfree(precvpriv->pallocated_recv_buf, n);
precvpriv->pallocated_recv_buf = NULL;
}
exit:
return res;
}
/*
* Free recv private variable of hardware dependent
* 1. recv buf
* 2. recv tasklet
*
*/
void rtl8188es_free_recv_priv(PADAPTER padapter)
{
u32 i, n;
struct recv_priv *precvpriv;
struct recv_buf *precvbuf;
precvpriv = &padapter->recvpriv;
//3 1. kill tasklet
tasklet_kill(&precvpriv->recv_tasklet);
//3 2. free all recv buffers
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
if (precvbuf) {
n = NR_RECVBUFF;
precvpriv->free_recv_buf_queue_cnt = 0;
for (i = 0; i < n ; i++)
{
rtw_list_delete(&precvbuf->list);
rtw_os_recvbuf_resource_free(padapter, precvbuf);
freerecvbuf(precvbuf);
precvbuf++;
}
precvpriv->precv_buf = NULL;
}
if (precvpriv->pallocated_recv_buf) {
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
rtw_mfree(precvpriv->pallocated_recv_buf, n);
precvpriv->pallocated_recv_buf = NULL;
}
}
#ifdef CONFIG_SDIO_RX_COPY
static s32 pre_recv_entry(union recv_frame *precvframe, struct recv_buf *precvbuf, struct phy_stat *pphy_status)
{
s32 ret=_SUCCESS;
#ifdef CONFIG_CONCURRENT_MODE
u8 *primary_myid, *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
{
//primary_myid = myid(&primary_padapter->eeprompriv);
secondary_myid = myid(&secondary_padapter->eeprompriv);
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 rtw_skb_copy().
//If skb->len is zero, rtw_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)
update_recvframe_phyinfo_88e(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)
update_recvframe_phyinfo_88e(precvframe, pphy_status);
ret = rtw_recv_entry(precvframe);
#endif
return ret;
}
static void rtl8188es_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_offset, skb_len, alloc_sz;
s32 transfer_len;
_pkt *pkt_copy = NULL;
struct phy_stat *pphy_status = NULL;
u8 shift_sz = 0, rx_report_sz = 0;
padapter = (PADAPTER)priv;
pHalData = GET_HAL_DATA(padapter);
precvpriv = &padapter->recvpriv;
do {
if ((padapter->bDriverStopped == _TRUE)||(padapter->bSurpriseRemoved== _TRUE))
{
DBG_8192C("recv_tasklet => bDriverStopped or bSurpriseRemoved \n");
break;
}
precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue);
if (NULL == precvbuf) break;
transfer_len = (s32)precvbuf->len;
ptr = precvbuf->pdata;
do {
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__));
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_88e(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;
}
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->shift_sz + pattrib->pkt_len;
if ((pattrib->pkt_len==0) || (pkt_offset>transfer_len)) {
DBG_8192C("%s()-%d: RX Warning!,pkt_len==0 or pkt_offset(%d)> transfoer_len(%d) \n", __FUNCTION__, __LINE__, pkt_offset, transfer_len);
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)){
//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("rtl8188es_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 + 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("rtl8188es_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);
// update drv info
if (pHalData->ReceiveConfig & RCR_APP_BA_SSN) {
//rtl8723s_update_bassn(padapter, (ptr + RXDESC_SIZE));
}
if(pattrib->pkt_rpt_type == NORMAL_RX)//Normal rx packet
{
pphy_status = (struct phy_stat *)(ptr + (rx_report_sz - pattrib->drvinfo_sz));
#ifdef CONFIG_CONCURRENT_MODE
if(rtw_buddy_adapter_up(padapter))
{
if(pre_recv_entry(precvframe, precvbuf, (struct phy_stat*)pphy_status) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,
("recvbuf2recvframe: recv_entry(precvframe) != _SUCCESS\n"));
}
}
else
#endif
{
if (pattrib->physt)
update_recvframe_phyinfo_88e(precvframe, (struct phy_stat*)pphy_status);
if (rtw_recv_entry(precvframe) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("%s: rtw_recv_entry(precvframe) != _SUCCESS\n",__FUNCTION__));
}
}
}
else{ // pkt_rpt_type == TX_REPORT1-CCX, TX_REPORT2-TX RTP,HIS_REPORT-USB HISR RTP
//enqueue recvframe to txrtp queue
if(pattrib->pkt_rpt_type == TX_REPORT1){
//DBG_8192C("rx CCX \n");
//CCX-TXRPT ack for xmit mgmt frames.
handle_txrpt_ccx_88e(padapter, precvframe->u.hdr.rx_data);
}
else if(pattrib->pkt_rpt_type == TX_REPORT2){
//printk("rx TX RPT \n");
ODM_RA_TxRPT2Handle_8188E(
&pHalData->odmpriv,
precvframe->u.hdr.rx_data,
pattrib->pkt_len,
pattrib->MacIDValidEntry[0],
pattrib->MacIDValidEntry[1]
);
}
/*
else if(pattrib->pkt_rpt_type == HIS_REPORT){
printk("rx USB HISR \n");
}*/
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
}
}
// Page size of receive package is 128 bytes alignment =>DMA AGG
// refer to _InitTransferPageSize()
pkt_offset = _RND128(pkt_offset);
transfer_len -= pkt_offset;
ptr += pkt_offset;
precvframe = NULL;
pkt_copy = NULL;
}while(transfer_len>0);
precvbuf->len = 0;
rtw_enqueue_recvbuf(precvbuf, &precvpriv->free_recv_buf_queue);
} while (1);
}
#else
static s32 pre_recv_entry(union recv_frame *precvframe, struct recv_buf *precvbuf, struct phy_stat *pphy_status)
{
s32 ret=_SUCCESS;
#ifdef CONFIG_CONCURRENT_MODE
u8 *primary_myid, *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;
u8 *pbuf = precvframe->u.hdr.rx_head;
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
{
//primary_myid = myid(&primary_padapter->eeprompriv);
secondary_myid = myid(&secondary_padapter->eeprompriv);
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
u8 shift_sz = 0;
u32 alloc_sz, skb_len;
_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_init_listhead(&precvframe_if2->u.hdr.list);
precvframe_if2->u.hdr.precvbuf = NULL; //can't access the precvbuf for new arch.
precvframe_if2->u.hdr.len=0;
_rtw_memcpy(&precvframe_if2->u.hdr.attrib, &precvframe->u.hdr.attrib, sizeof(struct rx_pkt_attrib));
pattrib = &precvframe_if2->u.hdr.attrib;
pkt_copy = rtw_skb_copy( precvframe->u.hdr.pkt);
if (pkt_copy == NULL)
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_crit_, ("%s: no enough memory to allocate SKB!\n",__FUNCTION__));
rtw_free_recvframe(precvframe_if2, &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 (secondary_padapter->bDriverStopped == _FALSE)
tasklet_schedule(&precvpriv->recv_tasklet);
return ret;
}
pkt_copy->dev = secondary_padapter->pnetdev;
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;
}
#if 1
precvframe_if2->u.hdr.pkt = pkt_copy;
precvframe_if2->u.hdr.rx_head = pkt_copy->head;
precvframe_if2->u.hdr.rx_data = precvframe_if2->u.hdr.rx_tail = pkt_copy->data;
precvframe_if2->u.hdr.rx_end = pkt_copy->data + alloc_sz;
#endif
recvframe_put(precvframe_if2, pkt_offset);
recvframe_pull(precvframe_if2, RXDESC_SIZE + pattrib->drvinfo_sz);
if ( pHalData->ReceiveConfig & RCR_APPFCS)
recvframe_pull_tail(precvframe_if2, IEEE80211_FCS_LEN);
if (pattrib->physt)
update_recvframe_phyinfo_88e(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)
update_recvframe_phyinfo_88e(precvframe, (struct phy_stat*)pphy_status);
ret = rtw_recv_entry(precvframe);
#endif
return ret;
}
static void rtl8188es_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;
#ifdef CONFIG_CONCURRENT_MODE
struct recv_stat *prxstat;
#endif
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_, ("%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;
}
phdr = &precvframe->u.hdr;
pattrib = &phdr->attrib;
//rx desc parsing
update_recvframe_attrib_88e(precvframe, (struct recv_stat*)ptr);
#ifdef CONFIG_CONCURRENT_MODE
prxstat = (struct recv_stat*)ptr;
#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 ((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
{
ppkt = rtw_skb_clone(precvbuf->pskb);
if (ppkt == NULL)
{
RT_TRACE(_module_rtl871x_recv_c_, _drv_crit_, ("%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) {
tasklet_schedule(&precvpriv->recv_tasklet);
}
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)//Normal rx packet
{
#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_88e(precvframe, (struct phy_stat*)ptr);
if (rtw_recv_entry(precvframe) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,
("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n"));
}
}
}
else{ // pkt_rpt_type == TX_REPORT1-CCX, TX_REPORT2-TX RTP,HIS_REPORT-USB HISR RTP
//enqueue recvframe to txrtp queue
if(pattrib->pkt_rpt_type == TX_REPORT1){
DBG_8192C("rx CCX \n");
}
else if(pattrib->pkt_rpt_type == TX_REPORT2){
//DBG_8192C("rx TX RPT \n");
ODM_RA_TxRPT2Handle_8188E(
&pHalData->odmpriv,
precvframe->u.hdr.rx_data,
pattrib->pkt_len,
pattrib->MacIDValidEntry[0],
pattrib->MacIDValidEntry[1]
);
}
/*
else if(pattrib->pkt_rpt_type == HIS_REPORT){
DBG_8192C("rx USB HISR \n");
}*/
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
}
}
// 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);
}
#endif