int recvbuf2recvframe(PADAPTER padapter, void *ptr) { u8 *pbuf; u8 pkt_cnt = 0; u32 pkt_offset; s32 transfer_len; u8 *pdata, *pphy_status; union recv_frame *precvframe = NULL; struct rx_pkt_attrib *pattrib = NULL; PHAL_DATA_TYPE pHalData; struct recv_priv *precvpriv; _queue *pfree_recv_queue; _pkt *pskb; pHalData = GET_HAL_DATA(padapter); precvpriv = &padapter->recvpriv; pfree_recv_queue = &precvpriv->free_recv_queue; #ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX pskb = NULL; transfer_len = (s32)((struct recv_buf*)ptr)->transfer_len; pbuf = ((struct recv_buf*)ptr)->pbuf; #else // !CONFIG_USE_USB_BUFFER_ALLOC_RX pskb = (_pkt*)ptr; transfer_len = (s32)pskb->len; pbuf = pskb->data; #endif // !CONFIG_USE_USB_BUFFER_ALLOC_RX #ifdef CONFIG_USB_RX_AGGREGATION pkt_cnt = GET_RX_STATUS_DESC_USB_AGG_PKTNUM_8723B(pbuf); #endif do { precvframe = rtw_alloc_recvframe(pfree_recv_queue); if (precvframe == NULL) { DBG_8192C("%s: rtw_alloc_recvframe() failed! RX Drop!\n", __FUNCTION__); goto _exit_recvbuf2recvframe; } if (transfer_len >1500) _rtw_init_listhead(&precvframe->u.hdr.list); precvframe->u.hdr.precvbuf = NULL; //can't access the precvbuf for new arch. precvframe->u.hdr.len = 0; rtl8723b_query_rx_desc_status(precvframe, pbuf); pattrib = &precvframe->u.hdr.attrib; if ((padapter->registrypriv.mp_mode == 0) && ((pattrib->crc_err) || (pattrib->icv_err))) { DBG_8192C("%s: RX Warning! crc_err=%d icv_err=%d, skip!\n", __FUNCTION__, pattrib->crc_err, pattrib->icv_err); rtw_free_recvframe(precvframe, pfree_recv_queue); goto _exit_recvbuf2recvframe; } pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz + pattrib->pkt_len; if ((pattrib->pkt_len <= 0) || (pkt_offset > transfer_len)) { DBG_8192C("%s: RX Error! pkt_len=%d pkt_offset=%d transfer_len=%d\n", __FUNCTION__, pattrib->pkt_len, pkt_offset, transfer_len); rtw_free_recvframe(precvframe, pfree_recv_queue); goto _exit_recvbuf2recvframe; } pdata = pbuf + RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz; if (rtw_os_alloc_recvframe(padapter, precvframe, pdata, pskb) == _FAIL) { DBG_8192C("%s: RX Error! rtw_os_alloc_recvframe FAIL!\n", __FUNCTION__); rtw_free_recvframe(precvframe, pfree_recv_queue); goto _exit_recvbuf2recvframe; } recvframe_put(precvframe, pattrib->pkt_len); if (pattrib->pkt_rpt_type == NORMAL_RX) { if (pattrib->physt) pphy_status = pbuf + RXDESC_OFFSET; else pphy_status = NULL; #ifdef CONFIG_CONCURRENT_MODE if (rtw_buddy_adapter_up(padapter)) { if (pre_recv_entry(precvframe, pphy_status) != _SUCCESS) { // Return fail except data frame //DBG_8192C("%s: RX Error! (concurrent)pre_recv_entry FAIL!\n", __FUNCTION__); } } #endif // CONFIG_CONCURRENT_MODE if (pphy_status) rx_query_phy_status(precvframe, pphy_status); if (rtw_recv_entry(precvframe) != _SUCCESS) { // Return fail except data frame //DBG_8192C("%s: RX Error! rtw_recv_entry FAIL!\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 // CONFIG_C2H_PACKET_EN rtw_free_recvframe(precvframe, pfree_recv_queue); } #ifdef CONFIG_USB_RX_AGGREGATION // jaguar 8-byte alignment pkt_offset = (u16)_RND8(pkt_offset); pkt_cnt--; pbuf += pkt_offset; #endif transfer_len -= pkt_offset; precvframe = NULL; } while (transfer_len > 0); _exit_recvbuf2recvframe: return _SUCCESS; }
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 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); }
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); }
int recvbuf2recvframe(PADAPTER padapter, void *ptr) { u8 *pbuf; u8 pkt_cnt = 0; u32 pkt_offset; s32 transfer_len; u8 *pphy_status = NULL; union recv_frame *precvframe = NULL; struct rx_pkt_attrib *pattrib = NULL; HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); struct recv_priv *precvpriv = &padapter->recvpriv; _queue *pfree_recv_queue = &precvpriv->free_recv_queue; _pkt *pskb; #ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX pskb = NULL; transfer_len = (s32)((struct recv_buf*)ptr)->transfer_len; pbuf = ((struct recv_buf*)ptr)->pbuf; #else pskb = (_pkt*)ptr; transfer_len = (s32)pskb->len; pbuf = pskb->data; #endif//CONFIG_USE_USB_BUFFER_ALLOC_RX #ifdef CONFIG_USB_RX_AGGREGATION pkt_cnt = GET_RX_STATUS_DESC_USB_AGG_PKTNUM_8812(pbuf); #endif do{ precvframe = rtw_alloc_recvframe(pfree_recv_queue); if(precvframe==NULL) { RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: precvframe==NULL\n")); DBG_8192C("%s()-%d: rtw_alloc_recvframe() failed! RX Drop!\n", __FUNCTION__, __LINE__); goto _exit_recvbuf2recvframe; } _rtw_init_listhead(&precvframe->u.hdr.list); precvframe->u.hdr.precvbuf = NULL; //can't access the precvbuf for new arch. precvframe->u.hdr.len=0; rtl8812_query_rx_desc_status(precvframe, pbuf); pattrib = &precvframe->u.hdr.attrib; if ((padapter->registrypriv.mp_mode == 0) && ((pattrib->crc_err) || (pattrib->icv_err))) { DBG_8192C("%s: RX Warning! crc_err=%d icv_err=%d, skip!\n", __FUNCTION__, pattrib->crc_err, pattrib->icv_err); rtw_free_recvframe(precvframe, pfree_recv_queue); goto _exit_recvbuf2recvframe; } pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz + pattrib->pkt_len; if((pattrib->pkt_len<=0) || (pkt_offset>transfer_len)) { RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("recvbuf2recvframe: pkt_len<=0\n")); DBG_8192C("%s()-%d: RX Warning!,pkt_len<=0 or pkt_offset> transfer_len \n", __FUNCTION__, __LINE__); rtw_free_recvframe(precvframe, pfree_recv_queue); goto _exit_recvbuf2recvframe; } #ifdef CONFIG_RX_PACKET_APPEND_FCS if(pattrib->pkt_rpt_type == NORMAL_RX) pattrib->pkt_len -= IEEE80211_FCS_LEN; #endif if(rtw_os_alloc_recvframe(padapter, precvframe, (pbuf + pattrib->shift_sz + pattrib->drvinfo_sz + RXDESC_SIZE), pskb) == _FAIL) { rtw_free_recvframe(precvframe, pfree_recv_queue); goto _exit_recvbuf2recvframe; } recvframe_put(precvframe, pattrib->pkt_len); //recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE); if(pattrib->pkt_rpt_type == NORMAL_RX)//Normal rx packet { if(pattrib->physt) pphy_status = (pbuf + RXDESC_OFFSET); #ifdef CONFIG_CONCURRENT_MODE if(rtw_buddy_adapter_up(padapter)) { if(pre_recv_entry(precvframe, pphy_status) != _SUCCESS) { RT_TRACE(_module_rtl871x_recv_c_,_drv_err_, ("recvbuf2recvframe: recv_entry(precvframe) != _SUCCESS\n")); } } #endif //CONFIG_CONCURRENT_MODE if(pattrib->physt && pphy_status) rx_query_phy_status(precvframe, pphy_status); 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 if (pattrib->pkt_rpt_type == C2H_PACKET) { //DBG_8192C("rx C2H_PACKET \n"); C2HPacketHandler_8812(padapter,precvframe->u.hdr.rx_data,pattrib->pkt_len); } rtw_free_recvframe(precvframe, pfree_recv_queue); } #ifdef CONFIG_USB_RX_AGGREGATION // jaguar 8-byte alignment pkt_offset = (u16)_RND8(pkt_offset); pkt_cnt--; pbuf += pkt_offset; #endif transfer_len -= pkt_offset; precvframe = NULL; }while(transfer_len>0); _exit_recvbuf2recvframe: return _SUCCESS; }