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) { 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)) { 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 = skb_clone(precvbuf->pskb, GFP_ATOMIC); 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; } dev_kfree_skb_any(precvbuf->pskb); precvbuf->pskb = NULL; rtw_enqueue_recvbuf(precvbuf, &precvpriv->free_recv_buf_queue); } while (1); }
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; _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) { 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. #ifdef PLATFORM_LINUX tasklet_schedule(&precvpriv->recv_tasklet); #endif return; } //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 !(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; } 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)) { 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; } #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/[email protected]/msg17214.html pkt_copy = dev_alloc_skb(alloc_sz); #else pkt_copy = netdev_alloc_skb(padapter->pnetdev, alloc_sz); #endif 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 = skb_clone(precvbuf->pskb, GFP_ATOMIC); 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: 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); } while (1); }
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 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 = skb_copy( precvframe->u.hdr.pkt, GFP_ATOMIC); if (pkt_copy == NULL) { if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)) { DBG_8192C("pre_recv_entry(): skb_copy fail , drop frag frame \n"); rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue); return ret; } pkt_copy = skb_clone( precvframe->u.hdr.pkt, GFP_ATOMIC); if(pkt_copy == NULL) { DBG_8192C("pre_recv_entry(): 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(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(precvframe, pphy_status); ret = rtw_recv_entry(precvframe); #endif return ret; }
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; update_recvframe_attrib(padapter, precvframe, (struct recv_stat*)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++; } } #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) { RT_TRACE(_module_rtl871x_recv_c_, _drv_crit_, ("rtl8723bs_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; } 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(precvframe, (struct phy_stat*)ptr); if (rtw_recv_entry(precvframe) != _SUCCESS) { RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("rtl8723bs_recv_tasklet: rtw_recv_entry(precvframe) != _SUCCESS\n")); } } } #ifdef CONFIG_C2H_PACKET_EN else if(pattrib->pkt_rpt_type == C2H_PACKET) { rtl8723bs_c2h_packet_handler(padapter, precvframe->u.hdr.rx_data, pattrib->pkt_len); rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue); } #endif } 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); }
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 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) { #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++; } } #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; } #ifdef CONFIG_C2H_PACKET_EN if(pattrib->pkt_rpt_type == NORMAL_RX)//Normal rx packet { #endif #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_dump_, ("%s: rtw_recv_entry(precvframe) != _SUCCESS\n",__FUNCTION__)); } } #ifdef CONFIG_C2H_PACKET_EN } 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); } #endif } 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) { struct adapter *padapter; struct hal_com_data *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 = 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", __func__); 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", __func__, __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", __func__, __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", __func__, 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", __func__); 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", __func__); 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", __func__)); } } 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); }