--- /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 <osdep_service.h>
+#include <drv_types.h>
+
+#include <wifi.h>
+#include <recv_osdep.h>
+
+#include <osdep_intf.h>
+#include <usb_ops_linux.h>
+
+/* alloc os related resource in struct recv_frame */
+int rtw_os_recv_resource_alloc(struct adapter *padapter,
+ struct recv_frame *precvframe)
+{
+ precvframe->pkt_newalloc = NULL;
+ precvframe->pkt = NULL;
+ return _SUCCESS;
+}
+
+/* alloc os related resource in struct recv_buf */
+int rtw_os_recvbuf_resource_alloc(struct adapter *padapter,
+ struct recv_buf *precvbuf)
+{
+ int res = _SUCCESS;
+
+ precvbuf->purb = usb_alloc_urb(0, GFP_KERNEL);
+ if (precvbuf->purb == NULL)
+ res = _FAIL;
+ precvbuf->pskb = NULL;
+ precvbuf->reuse = false;
+ return res;
+}
+
+void rtw_handle_tkip_mic_err(struct adapter *padapter, u8 bgroup)
+{
+ 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 = jiffies;
+ } else {
+ cur_time = jiffies;
+
+ 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 = jiffies;
+ }
+ }
+
+ 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;
+ memcpy(ev.src_addr.sa_data, &pmlmepriv->assoc_bssid[0], ETH_ALEN);
+ memset(&wrqu, 0x00, sizeof(wrqu));
+ wrqu.data.length = sizeof(ev);
+ wireless_send_event(padapter->pnetdev, IWEVMICHAELMICFAILURE,
+ &wrqu, (char *)&ev);
+}
+
+int rtw_recv_indicatepkt(struct adapter *padapter,
+ struct recv_frame *precv_frame)
+{
+ struct recv_priv *precvpriv;
+ struct __queue *pfree_recv_queue;
+ struct sk_buff *skb;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+
+
+ precvpriv = &(padapter->recvpriv);
+ pfree_recv_queue = &(precvpriv->free_recv_queue);
+
+ skb = precv_frame->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->rx_head =%p precv_frame->hdr.rx_data =%p\n",
+ precv_frame->rx_head, precv_frame->rx_data));
+ RT_TRACE(_module_recv_osdep_c_, _drv_info_,
+ ("precv_frame->hdr.rx_tail =%p precv_frame->rx_end =%p precv_frame->hdr.len =%d\n",
+ precv_frame->rx_tail, precv_frame->rx_end,
+ precv_frame->len));
+
+ skb->data = precv_frame->rx_data;
+
+ skb_set_tail_pointer(skb, precv_frame->len);
+
+ skb->len = precv_frame->len;
+
+ RT_TRACE(_module_recv_osdep_c_, _drv_info_,
+ ("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 (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
+ struct sk_buff *pskb2 = NULL;
+ struct sta_info *psta = NULL;
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ struct rx_pkt_attrib *pattrib = &precv_frame->attrib;
+ int bmcast = IS_MCAST(pattrib->dst);
+
+ if (memcmp(pattrib->dst, myid(&padapter->eeprompriv),
+ ETH_ALEN)) {
+ if (bmcast) {
+ psta = rtw_get_bcmc_stainfo(padapter);
+ pskb2 = skb_clone(skb, GFP_ATOMIC);
+ } else {
+ psta = rtw_get_stainfo(pstapriv, pattrib->dst);
+ }
+
+ if (psta) {
+ struct net_device *pnetdev;
+
+ pnetdev = (struct net_device *)padapter->pnetdev;
+ skb->dev = pnetdev;
+ skb_set_queue_mapping(skb, rtw_recv_select_queue(skb));
+
+ rtw_xmit_entry(skb, pnetdev);
+
+ if (bmcast)
+ skb = pskb2;
+ else
+ goto _recv_indicatepkt_end;
+ }
+ }
+ }
+
+ rcu_read_lock();
+ rcu_dereference(padapter->pnetdev->rx_handler_data);
+ rcu_read_unlock();
+
+ skb->ip_summed = CHECKSUM_NONE;
+ skb->dev = padapter->pnetdev;
+ skb->protocol = eth_type_trans(skb, padapter->pnetdev);
+
+ netif_rx(skb);
+
+_recv_indicatepkt_end:
+
+ /* pointers to NULL before rtw_free_recvframe() */
+ precv_frame->pkt = NULL;
+
+ rtw_free_recvframe(precv_frame, pfree_recv_queue);
+
+ RT_TRACE(_module_recv_osdep_c_, _drv_info_,
+ ("\n rtw_recv_indicatepkt :after netif_rx!!!!\n"));
+
+
+ return _SUCCESS;
+
+_recv_indicatepkt_drop:
+
+ /* enqueue back to free_recv_queue */
+ rtw_free_recvframe(precv_frame, pfree_recv_queue);
+
+ return _FAIL;
+}
+
+void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl)
+{
+
+ setup_timer(&preorder_ctrl->reordering_ctrl_timer,
+ rtw_reordering_ctrl_timeout_handler,
+ (unsigned long)preorder_ctrl);
+}
Code Review / kvmfornfv.git / blobdiff