1 files changed, 365 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/rtl8723au_recv.c b/drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/rtl8723au_recv.c
new file mode 100755
index 000000000000..330c41c8f044
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/rtl8723au_recv.c
@@ -0,0 +1,365 @@
+/******************************************************************************
+ *
+ * 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 _RTL8192CU_RECV_C_
+#include <drv_conf.h>
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <recv_osdep.h>
+#include <mlme_osdep.h>
+#include <ip.h>
+#include <if_ether.h>
+#include <ethernet.h>
+
+#include <usb_ops.h>
+
+#if defined (PLATFORM_LINUX) && defined (PLATFORM_WINDOWS)
+
+#error "Shall be Linux or Windows, but not both!\n"
+
+#endif
+
+#include <wifi.h>
+#include <circ_buf.h>
+
+//#include <rtl8192c_hal.h>
+#include <rtl8723a_hal.h>
+
+void rtl8192cu_init_recvbuf(_adapter *padapter, struct recv_buf *precvbuf)
+{
+
+	precvbuf->transfer_len = 0;
+
+	precvbuf->len = 0;
+
+	precvbuf->ref_cnt = 0;
+
+	if(precvbuf->pbuf)
+	{
+		precvbuf->pdata = precvbuf->phead = precvbuf->ptail = precvbuf->pbuf;
+		precvbuf->pend = precvbuf->pdata + MAX_RECVBUF_SZ;
+	}
+
+}
+
+int	rtl8192cu_init_recv_priv(_adapter *padapter)
+{
+	struct recv_priv	*precvpriv = &padapter->recvpriv;
+	int	i, res = _SUCCESS;
+	struct recv_buf *precvbuf;
+
+#ifdef CONFIG_RECV_THREAD_MODE	
+	_rtw_init_sema(&precvpriv->recv_sema, 0);//will be removed
+	_rtw_init_sema(&precvpriv->terminate_recvthread_sema, 0);//will be removed
+#endif
+
+#ifdef PLATFORM_LINUX
+	tasklet_init(&precvpriv->recv_tasklet,
+	     (void(*)(unsigned long))rtl8192cu_recv_tasklet,
+	     (unsigned long)padapter);
+#endif
+
+#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
+#ifdef PLATFORM_LINUX
+	precvpriv->int_in_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if(precvpriv->int_in_urb == NULL){
+		DBG_8192C("alloc_urb for interrupt in endpoint fail !!!!\n");
+	}
+#endif
+	precvpriv->int_in_buf = rtw_zmalloc(USB_INTR_CONTENT_LENGTH);
+	if(precvpriv->int_in_buf == NULL){
+		DBG_8192C("alloc_mem for interrupt in endpoint fail !!!!\n");
+	}
+#endif
+
+	//init recv_buf
+	_rtw_init_queue(&precvpriv->free_recv_buf_queue);
+
+#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
+	_rtw_init_queue(&precvpriv->recv_buf_pending_queue);
+#endif	// CONFIG_USE_USB_BUFFER_ALLOC_RX
+
+	precvpriv->pallocated_recv_buf = rtw_zmalloc(NR_RECVBUFF *sizeof(struct recv_buf) + 4);
+	if(precvpriv->pallocated_recv_buf==NULL){
+		res= _FAIL;
+		RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("alloc recv_buf fail!\n"));
+		goto exit;
+	}
+	_rtw_memset(precvpriv->pallocated_recv_buf, 0, NR_RECVBUFF *sizeof(struct recv_buf) + 4);
+
+	precvpriv->precv_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(precvpriv->pallocated_recv_buf), 4);
+	//precvpriv->precv_buf = precvpriv->pallocated_recv_buf + 4 -
+	//						((uint) (precvpriv->pallocated_recv_buf) &(4-1));
+
+
+	precvbuf = (struct recv_buf*)precvpriv->precv_buf;
+
+	for(i=0; i < NR_RECVBUFF ; i++)
+	{
+		_rtw_init_listhead(&precvbuf->list);
+
+		_rtw_spinlock_init(&precvbuf->recvbuf_lock);
+
+		precvbuf->alloc_sz = MAX_RECVBUF_SZ;
+
+		res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
+		if(res==_FAIL)
+			break;
+
+		precvbuf->ref_cnt = 0;
+		precvbuf->adapter =padapter;
+
+
+		//rtw_list_insert_tail(&precvbuf->list, &(precvpriv->free_recv_buf_queue.queue));
+
+		precvbuf++;
+
+	}
+
+	precvpriv->free_recv_buf_queue_cnt = NR_RECVBUFF;
+
+#ifdef PLATFORM_LINUX
+
+	skb_queue_head_init(&precvpriv->rx_skb_queue);
+
+#ifdef CONFIG_PREALLOC_RECV_SKB
+	{
+		int i;
+		SIZE_PTR tmpaddr=0;
+		SIZE_PTR alignment=0;
+		struct sk_buff *pskb=NULL;
+
+		skb_queue_head_init(&precvpriv->free_recv_skb_queue);
+
+		for(i=0; i<NR_PREALLOC_RECV_SKB; i++)
+		{
+			pskb = rtw_skb_alloc(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
+
+			if(pskb)
+			{
+				pskb->dev = padapter->pnetdev;
+
+				tmpaddr = (SIZE_PTR)pskb->data;
+				alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
+				skb_reserve(pskb, (RECVBUFF_ALIGN_SZ - alignment));
+
+				skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
+			}
+
+			pskb=NULL;
+
+		}
+	}
+#endif
+
+#endif
+
+exit:
+
+	return res;
+
+}
+
+void rtl8192cu_free_recv_priv (_adapter *padapter)
+{
+	int	i;
+	struct recv_buf	*precvbuf;
+	struct recv_priv	*precvpriv = &padapter->recvpriv;
+
+	precvbuf = (struct recv_buf *)precvpriv->precv_buf;
+
+	for(i=0; i < NR_RECVBUFF ; i++)
+	{
+		rtw_os_recvbuf_resource_free(padapter, precvbuf);
+		precvbuf++;
+	}
+
+	if(precvpriv->pallocated_recv_buf)
+		rtw_mfree(precvpriv->pallocated_recv_buf, NR_RECVBUFF *sizeof(struct recv_buf) + 4);
+
+#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
+#ifdef PLATFORM_LINUX
+	if(precvpriv->int_in_urb)
+	{
+		usb_free_urb(precvpriv->int_in_urb);
+	}
+#endif
+	if(precvpriv->int_in_buf)
+		rtw_mfree(precvpriv->int_in_buf, USB_INTR_CONTENT_LENGTH);
+#endif
+
+#ifdef PLATFORM_LINUX
+
+	if (skb_queue_len(&precvpriv->rx_skb_queue)) {
+		DBG_8192C(KERN_WARNING "rx_skb_queue not empty\n");
+	}
+
+	rtw_skb_queue_purge(&precvpriv->rx_skb_queue);
+
+#ifdef CONFIG_PREALLOC_RECV_SKB
+
+	if (skb_queue_len(&precvpriv->free_recv_skb_queue)) {
+		DBG_8192C(KERN_WARNING "free_recv_skb_queue not empty, %d\n", skb_queue_len(&precvpriv->free_recv_skb_queue));
+	}
+
+	rtw_skb_queue_purge(&precvpriv->free_recv_skb_queue);
+
+#endif
+
+#endif
+
+}
+
+
+void update_recvframe_attrib(
+	union recv_frame *precvframe,
+	struct recv_stat *prxstat)
+{
+	struct rx_pkt_attrib	*pattrib;
+	struct recv_stat	report;
+	PRXREPORT		prxreport;
+
+
+	report.rxdw0 = le32_to_cpu(prxstat->rxdw0);
+	report.rxdw1 = le32_to_cpu(prxstat->rxdw1);
+	report.rxdw2 = le32_to_cpu(prxstat->rxdw2);
+	report.rxdw3 = le32_to_cpu(prxstat->rxdw3);
+	report.rxdw4 = le32_to_cpu(prxstat->rxdw4);
+	report.rxdw5 = le32_to_cpu(prxstat->rxdw5);
+
+	prxreport = (PRXREPORT)&report;
+
+	pattrib = &precvframe->u.hdr.attrib;
+	_rtw_memset(pattrib, 0, sizeof(struct rx_pkt_attrib));
+
+	// update rx report to recv_frame attribute
+	pattrib->pkt_len = (u16)prxreport->pktlen;
+	pattrib->drvinfo_sz = (u8)(prxreport->drvinfosize << 3);
+	pattrib->physt = (u8)prxreport->physt;
+
+	pattrib->crc_err = (u8)prxreport->crc32;
+	pattrib->icv_err = (u8)prxreport->icverr;
+
+	pattrib->bdecrypted = (u8)(prxreport->swdec ? 0 : 1);
+	pattrib->encrypt = (u8)prxreport->security;
+
+	pattrib->qos = (u8)prxreport->qos;
+	pattrib->priority = (u8)prxreport->tid;
+
+	pattrib->amsdu = (u8)prxreport->amsdu;
+
+	pattrib->seq_num = (u16)prxreport->seq;
+	pattrib->frag_num = (u8)prxreport->frag;
+	pattrib->mfrag = (u8)prxreport->mf;
+	pattrib->mdata = (u8)prxreport->md;
+
+	pattrib->mcs_rate = (u8)prxreport->rxmcs;
+	pattrib->rxht = (u8)prxreport->rxht;
+}
+
+
+
+/*
+ * Notice:
+ *	Before calling this function,
+ *	precvframe->u.hdr.rx_data should be ready!
+ */
+void update_recvframe_phyinfo(
+	union recv_frame	*precvframe,
+	struct phy_stat *pphy_status)
+{
+	PADAPTER 			padapter = precvframe->u.hdr.adapter;
+	struct rx_pkt_attrib	*pattrib = &precvframe->u.hdr.attrib;
+	HAL_DATA_TYPE		*pHalData= GET_HAL_DATA(padapter); 	
+	PODM_PHY_INFO_T 	pPHYInfo  = (PODM_PHY_INFO_T)(&pattrib->phy_info); 
+	u8					*wlanhdr;
+	ODM_PACKET_INFO_T	pkt_info;
+	u8 *sa;
+	//_irqL		irqL;
+	struct sta_priv *pstapriv;
+	struct sta_info *psta;
+	
+	pkt_info.bPacketMatchBSSID =_FALSE;
+	pkt_info.bPacketToSelf = _FALSE;
+	pkt_info.bPacketBeacon = _FALSE;
+
+	wlanhdr = get_recvframe_data(precvframe);
+
+	pkt_info.bPacketMatchBSSID = ((!IsFrameTypeCtrl(wlanhdr)) &&
+		!pattrib->icv_err && !pattrib->crc_err &&
+		_rtw_memcmp(get_hdr_bssid(wlanhdr), get_bssid(&padapter->mlmepriv), ETH_ALEN));
+
+	pkt_info.bPacketToSelf = pkt_info.bPacketMatchBSSID && (_rtw_memcmp(get_da(wlanhdr), myid(&padapter->eeprompriv), ETH_ALEN));
+
+	pkt_info.bPacketBeacon = pkt_info.bPacketMatchBSSID && (GetFrameSubType(wlanhdr) == WIFI_BEACON);
+
+	pkt_info.StationID = 0xFF;
+	if(pkt_info.bPacketBeacon){
+		if(check_fwstate(&padapter->mlmepriv, WIFI_STATION_STATE) == _TRUE){				
+			sa = padapter->mlmepriv.cur_network.network.MacAddress;
+			#if 0
+			{					
+				printk("==> rx beacon from AP[%02x:%02x:%02x:%02x:%02x:%02x]\n",
+					sa[0],sa[1],sa[2],sa[3],sa[4],sa[5]);					
+			}
+			#endif
+		}
+		//to do Ad-hoc
+	}
+	else{
+		sa = get_sa(wlanhdr);
+	}			
+		
+	pstapriv = &padapter->stapriv;
+	psta = rtw_get_stainfo(pstapriv, sa);
+	if (psta)
+	{
+             pkt_info.StationID = psta->mac_id;
+		//printk("%s ==> StationID(%d)\n",__FUNCTION__,pkt_info.StationID);
+	}
+	pkt_info.Rate = pattrib->mcs_rate;
+
+	//rtl8192c_query_rx_phy_status(precvframe, pphy_status);
+	//_enter_critical_bh(&pHalData->odm_stainfo_lock, &irqL);
+	 ODM_PhyStatusQuery(&pHalData->odmpriv,pPHYInfo,(u8 *)pphy_status,&(pkt_info));	
+	//_exit_critical_bh(&pHalData->odm_stainfo_lock, &irqL);
+	precvframe->u.hdr.psta = NULL;
+	if (pkt_info.bPacketMatchBSSID &&
+		(check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == _TRUE))
+	{			
+		if (psta)
+		{                  
+			precvframe->u.hdr.psta = psta;
+			rtl8192c_process_phy_info(padapter, precvframe);	               
+                }
+	}
+	else if (pkt_info.bPacketToSelf || pkt_info.bPacketBeacon)
+	{
+		if (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == _TRUE)
+		{			
+			if (psta)
+			{
+				precvframe->u.hdr.psta = psta;
+			}
+		}
+
+		rtl8192c_process_phy_info(padapter, precvframe);             
+	}
+}
+