--- /dev/null
+/******************************************************************************
+ *
+ * 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 _RECV_OSDEP_C_
+
+#include <drv_types.h>
+
+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;
+
+}
+
+void rtw_os_free_recvframe(union recv_frame *precvframe)
+{
+ if(precvframe->u.hdr.pkt)
+ {
+ rtw_skb_free(precvframe->u.hdr.pkt);//free skb by driver
+
+ precvframe->u.hdr.pkt = NULL;
+ }
+}
+
+//init os related resource in struct recv_priv
+int rtw_os_recv_resource_init(struct recv_priv *precvpriv, _adapter *padapter)
+{
+ int res=_SUCCESS;
+
+ return res;
+}
+
+//alloc os related resource in union recv_frame
+int rtw_os_recv_resource_alloc(_adapter *padapter, union recv_frame *precvframe)
+{
+ int res=_SUCCESS;
+
+ precvframe->u.hdr.pkt_newalloc = precvframe->u.hdr.pkt = NULL;
+
+ return res;
+}
+
+//free os related resource in union recv_frame
+void rtw_os_recv_resource_free(struct recv_priv *precvpriv)
+{
+ sint i;
+ union recv_frame *precvframe;
+ precvframe = (union recv_frame*) precvpriv->precv_frame_buf;
+
+ for(i=0; i < NR_RECVFRAME; i++)
+ {
+ if(precvframe->u.hdr.pkt)
+ {
+ rtw_skb_free(precvframe->u.hdr.pkt);//free skb by driver
+ precvframe->u.hdr.pkt = NULL;
+ }
+ precvframe++;
+ }
+}
+
+//alloc os related resource in struct recv_buf
+int rtw_os_recvbuf_resource_alloc(_adapter *padapter, struct recv_buf *precvbuf)
+{
+ int res=_SUCCESS;
+
+#ifdef CONFIG_USB_HCI
+ struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
+ struct usb_device *pusbd = pdvobjpriv->pusbdev;
+
+ precvbuf->irp_pending = _FALSE;
+ precvbuf->purb = usb_alloc_urb(0, GFP_KERNEL);
+ if(precvbuf->purb == NULL){
+ res = _FAIL;
+ }
+
+ precvbuf->pskb = NULL;
+
+ precvbuf->pallocated_buf = precvbuf->pbuf = NULL;
+
+ precvbuf->pdata = precvbuf->phead = precvbuf->ptail = precvbuf->pend = NULL;
+
+ precvbuf->transfer_len = 0;
+
+ precvbuf->len = 0;
+
+ #ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
+ precvbuf->pallocated_buf = rtw_usb_buffer_alloc(pusbd, (size_t)precvbuf->alloc_sz, &precvbuf->dma_transfer_addr);
+ precvbuf->pbuf = precvbuf->pallocated_buf;
+ if(precvbuf->pallocated_buf == NULL)
+ return _FAIL;
+ #endif //CONFIG_USE_USB_BUFFER_ALLOC_RX
+
+#endif //CONFIG_USB_HCI
+
+ return res;
+}
+
+//free os related resource in struct recv_buf
+int rtw_os_recvbuf_resource_free(_adapter *padapter, struct recv_buf *precvbuf)
+{
+ int ret = _SUCCESS;
+
+#ifdef CONFIG_USB_HCI
+
+#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
+
+ struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
+ struct usb_device *pusbd = pdvobjpriv->pusbdev;
+
+ rtw_usb_buffer_free(pusbd, (size_t)precvbuf->alloc_sz, precvbuf->pallocated_buf, precvbuf->dma_transfer_addr);
+ precvbuf->pallocated_buf = NULL;
+ precvbuf->dma_transfer_addr = 0;
+
+#endif //CONFIG_USE_USB_BUFFER_ALLOC_RX
+
+ if(precvbuf->purb)
+ {
+ //usb_kill_urb(precvbuf->purb);
+ usb_free_urb(precvbuf->purb);
+ }
+
+#endif //CONFIG_USB_HCI
+
+
+ if(precvbuf->pskb)
+ {
+#ifdef CONFIG_PREALLOC_RX_SKB_BUFFER
+ if(rtw_free_skb_premem(precvbuf->pskb)!=0)
+#endif
+ rtw_skb_free(precvbuf->pskb);
+ }
+ return ret;
+
+}
+
+_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;
+}
+
+#ifdef DBG_UDP_PKT_LOSE_11AC
+#define PAYLOAD_LEN_LOC_OF_IP_HDR 0x10 /*ethernet payload length location of ip header (DA+SA+eth_type+(version&hdr_len)) */
+#endif
+
+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);
+ }
+}
+
+void rtw_handle_tkip_mic_err(_adapter *padapter, struct sta_info *sta, u8 bgroup)
+{
+#ifdef CONFIG_IOCTL_CFG80211
+ enum nl80211_key_type key_type = 0;
+#endif
+ union iwreq_data wrqu;
+ struct iw_michaelmicfailure ev;
+ struct mlme_priv* pmlmepriv = &padapter->mlmepriv;
+ struct security_priv *psecuritypriv = &padapter->securitypriv;
+ u32 cur_time = 0;
+
+ if( psecuritypriv->last_mic_err_time == 0 )
+ {
+ psecuritypriv->last_mic_err_time = rtw_get_current_time();
+ }
+ else
+ {
+ cur_time = rtw_get_current_time();
+
+ if( cur_time - psecuritypriv->last_mic_err_time < 60*HZ )
+ {
+ psecuritypriv->btkip_countermeasure = _TRUE;
+ psecuritypriv->last_mic_err_time = 0;
+ psecuritypriv->btkip_countermeasure_time = cur_time;
+ }
+ else
+ {
+ psecuritypriv->last_mic_err_time = rtw_get_current_time();
+ }
+ }
+
+#ifdef CONFIG_IOCTL_CFG80211
+ if ( bgroup )
+ {
+ key_type |= NL80211_KEYTYPE_GROUP;
+ }
+ else
+ {
+ key_type |= NL80211_KEYTYPE_PAIRWISE;
+ }
+
+ cfg80211_michael_mic_failure(padapter->pnetdev, sta->hwaddr, key_type, -1, NULL, GFP_ATOMIC);
+#endif
+
+ _rtw_memset( &ev, 0x00, sizeof( ev ) );
+ if ( bgroup )
+ {
+ ev.flags |= IW_MICFAILURE_GROUP;
+ }
+ else
+ {
+ ev.flags |= IW_MICFAILURE_PAIRWISE;
+ }
+
+ ev.src_addr.sa_family = ARPHRD_ETHER;
+ _rtw_memcpy(ev.src_addr.sa_data, sta->hwaddr, ETH_ALEN);
+
+ _rtw_memset( &wrqu, 0x00, sizeof( wrqu ) );
+ wrqu.data.length = sizeof( ev );
+
+#ifndef CONFIG_IOCTL_CFG80211
+ wireless_send_event( padapter->pnetdev, IWEVMICHAELMICFAILURE, &wrqu, (char*) &ev );
+#endif
+}
+
+void rtw_hostapd_mlme_rx(_adapter *padapter, union recv_frame *precv_frame)
+{
+#ifdef CONFIG_HOSTAPD_MLME
+ _pkt *skb;
+ struct hostapd_priv *phostapdpriv = padapter->phostapdpriv;
+ struct net_device *pmgnt_netdev = phostapdpriv->pmgnt_netdev;
+
+ RT_TRACE(_module_recv_osdep_c_, _drv_info_, ("+rtw_hostapd_mlme_rx\n"));
+
+ skb = precv_frame->u.hdr.pkt;
+
+ if (skb == NULL)
+ return;
+
+ skb->data = precv_frame->u.hdr.rx_data;
+ skb->tail = precv_frame->u.hdr.rx_tail;
+ skb->len = precv_frame->u.hdr.len;
+
+ //pskb_copy = rtw_skb_copy(skb);
+// if(skb == NULL) goto _exit;
+
+ skb->dev = pmgnt_netdev;
+ skb->ip_summed = CHECKSUM_NONE;
+ skb->pkt_type = PACKET_OTHERHOST;
+ //skb->protocol = __constant_htons(0x0019); /*ETH_P_80211_RAW*/
+ skb->protocol = __constant_htons(0x0003); /*ETH_P_80211_RAW*/
+
+ //DBG_871X("(1)data=0x%x, head=0x%x, tail=0x%x, mac_header=0x%x, len=%d\n", skb->data, skb->head, skb->tail, skb->mac_header, skb->len);
+
+ //skb->mac.raw = skb->data;
+ skb_reset_mac_header(skb);
+
+ //skb_pull(skb, 24);
+ _rtw_memset(skb->cb, 0, sizeof(skb->cb));
+
+ rtw_netif_rx(pmgnt_netdev, skb);
+
+ precv_frame->u.hdr.pkt = NULL; // set pointer to NULL before rtw_free_recvframe() if call rtw_netif_rx()
+#endif
+}
+
+#ifdef CONFIG_AUTO_AP_MODE
+static void rtw_os_ksocket_send(_adapter *padapter, union recv_frame *precv_frame)
+{
+ _pkt *skb = precv_frame->u.hdr.pkt;
+ struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
+ struct sta_info *psta = precv_frame->u.hdr.psta;
+
+ DBG_871X("eth rx: got eth_type=0x%x\n", pattrib->eth_type);
+
+ if (psta && psta->isrc && psta->pid>0)
+ {
+ u16 rx_pid;
+
+ rx_pid = *(u16*)(skb->data+ETH_HLEN);
+
+ DBG_871X("eth rx(pid=0x%x): sta("MAC_FMT") pid=0x%x\n",
+ rx_pid, MAC_ARG(psta->hwaddr), psta->pid);
+
+ if(rx_pid == psta->pid)
+ {
+ int i;
+ u16 len = *(u16*)(skb->data+ETH_HLEN+2);
+ //u16 ctrl_type = *(u16*)(skb->data+ETH_HLEN+4);
+
+ //DBG_871X("eth, RC: len=0x%x, ctrl_type=0x%x\n", len, ctrl_type);
+ DBG_871X("eth, RC: len=0x%x\n", len);
+
+ for(i=0;i<len;i++)
+ DBG_871X("0x%x\n", *(skb->data+ETH_HLEN+4+i));
+ //DBG_871X("0x%x\n", *(skb->data+ETH_HLEN+6+i));
+
+ DBG_871X("eth, RC-end\n");
+
+#if 0
+ //send_sz = ksocket_send(padapter->ksock_send, &padapter->kaddr_send, (skb->data+ETH_HLEN+2), len);
+ rtw_recv_ksocket_send_cmd(padapter, (skb->data+ETH_HLEN+2), len);
+
+ //DBG_871X("ksocket_send size=%d\n", send_sz);
+#endif
+ }
+
+ }
+
+}
+#endif //CONFIG_AUTO_AP_MODE
+
+int rtw_recv_monitor(_adapter *padapter, union recv_frame *precv_frame)
+{
+ int ret = _FAIL;
+ struct recv_priv *precvpriv;
+ _queue *pfree_recv_queue;
+ _pkt *skb;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct rx_pkt_attrib *pattrib;
+
+ if (NULL == precv_frame)
+ goto _recv_drop;
+
+ pattrib = &precv_frame->u.hdr.attrib;
+ precvpriv = &(padapter->recvpriv);
+ pfree_recv_queue = &(precvpriv->free_recv_queue);
+
+ skb = precv_frame->u.hdr.pkt;
+ if (skb == NULL) {
+ DBG_871X("%s :skb==NULL something wrong!!!!\n", __func__);
+ goto _recv_drop;
+ }
+
+ 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;
+ skb->ip_summed = CHECKSUM_NONE;
+ skb->pkt_type = PACKET_OTHERHOST;
+ skb->protocol = htons(0x0019); /* ETH_P_80211_RAW */
+
+ rtw_netif_rx(padapter->pnetdev, skb);
+
+ /* pointers to NULL before rtw_free_recvframe() */
+ precv_frame->u.hdr.pkt = NULL;
+
+ ret = _SUCCESS;
+
+_recv_drop:
+
+ /* enqueue back to free_recv_queue */
+ if (precv_frame)
+ rtw_free_recvframe(precv_frame, pfree_recv_queue);
+
+ return ret;
+
+}
+
+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;
+ struct rx_pkt_attrib *pattrib;
+
+ if(NULL == precv_frame)
+ goto _recv_indicatepkt_drop;
+
+ DBG_COUNTER(padapter->rx_logs.os_indicate);
+ pattrib = &precv_frame->u.hdr.attrib;
+ 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
+
+#ifdef CONFIG_WAPI_SUPPORT
+ if (rtw_wapi_check_for_drop(padapter,precv_frame))
+ {
+ WAPI_TRACE(WAPI_ERR, "%s(): Rx Reorder Drop case!!\n", __FUNCTION__);
+ 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_pointer(skb), skb_end_pointer(skb), skb->len));
+
+ if (pattrib->eth_type == 0x888e)
+ DBG_871X_LEVEL(_drv_always_, "recv eapol packet\n");
+
+#ifdef CONFIG_AUTO_AP_MODE
+#if 1 //for testing
+#if 1
+ if (0x8899 == pattrib->eth_type)
+ {
+ rtw_os_ksocket_send(padapter, precv_frame);
+
+ //goto _recv_indicatepkt_drop;
+ }
+#else
+ if (0x8899 == pattrib->eth_type)
+ {
+ rtw_auto_ap_mode_rx(padapter, precv_frame);
+
+ goto _recv_indicatepkt_end;
+ }
+#endif
+#endif
+#endif //CONFIG_AUTO_AP_MODE
+
+ /* TODO: move to core */
+ {
+ _pkt *pkt = skb;
+ struct ethhdr *etherhdr = (struct ethhdr *)pkt->data;
+ struct sta_info *sta = precv_frame->u.hdr.psta;
+
+ if (!sta)
+ goto bypass_session_tracker;
+
+ if (ntohs(etherhdr->h_proto) == ETH_P_IP) {
+ u8 *ip = pkt->data + 14;
+
+ if (GET_IPV4_PROTOCOL(ip) == 0x06 /* TCP */
+ && rtw_st_ctl_chk_reg_s_proto(&sta->st_ctl, 0x06) == _TRUE
+ ) {
+ u8 *tcp = ip + GET_IPV4_IHL(ip) * 4;
+
+ if (rtw_st_ctl_chk_reg_rule(&sta->st_ctl, padapter, IPV4_DST(ip), TCP_DST(tcp), IPV4_SRC(ip), TCP_SRC(tcp)) == _TRUE) {
+ if (GET_TCP_SYN(tcp) && GET_TCP_ACK(tcp)) {
+ session_tracker_add_cmd(padapter, sta
+ , IPV4_DST(ip), TCP_DST(tcp)
+ , IPV4_SRC(ip), TCP_SRC(tcp));
+ if (DBG_SESSION_TRACKER)
+ DBG_871X(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" SYN-ACK\n"
+ , FUNC_ADPT_ARG(padapter)
+ , IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp))
+ , IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp)));
+ }
+ if (GET_TCP_FIN(tcp)) {
+ session_tracker_del_cmd(padapter, sta
+ , IPV4_DST(ip), TCP_DST(tcp)
+ , IPV4_SRC(ip), TCP_SRC(tcp));
+ if (DBG_SESSION_TRACKER)
+ DBG_871X(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" FIN\n"
+ , FUNC_ADPT_ARG(padapter)
+ , IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp))
+ , IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp)));
+ }
+ }
+
+ }
+ }
+bypass_session_tracker:
+ ;
+ }
+
+ rtw_os_recv_indicate_pkt(padapter, skb, pattrib);
+
+_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_os_recv_indicate_pkt!!!!\n"));
+
+
+ return _SUCCESS;
+
+_recv_indicatepkt_drop:
+
+ //enqueue back to free_recv_queue
+ if(precv_frame)
+ rtw_free_recvframe(precv_frame, pfree_recv_queue);
+
+ DBG_COUNTER(padapter->rx_logs.os_indicate_err);
+
+ return _FAIL;
+
+}
+
+void rtw_os_read_port(_adapter *padapter, struct recv_buf *precvbuf)
+{
+ struct recv_priv *precvpriv = &padapter->recvpriv;
+
+#ifdef CONFIG_USB_HCI
+
+ precvbuf->ref_cnt--;
+
+ //free skb in recv_buf
+ rtw_skb_free(precvbuf->pskb);
+
+ precvbuf->pskb = NULL;
+
+ if(precvbuf->irp_pending == _FALSE)
+ {
+ rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
+ }
+
+
+#endif
+#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
+ precvbuf->pskb = NULL;
+#endif
+
+}
+void _rtw_reordering_ctrl_timeout_handler (void *FunctionContext);
+void _rtw_reordering_ctrl_timeout_handler (void *FunctionContext)
+{
+ struct recv_reorder_ctrl *preorder_ctrl = (struct recv_reorder_ctrl *)FunctionContext;
+ rtw_reordering_ctrl_timeout_handler(preorder_ctrl);
+}
+
+void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl)
+{
+ _adapter *padapter = preorder_ctrl->padapter;
+
+ _init_timer(&(preorder_ctrl->reordering_ctrl_timer), padapter->pnetdev, _rtw_reordering_ctrl_timeout_handler, preorder_ctrl);
+
+}
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