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*
* 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.
*
******************************************************************************/
#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.h>
void rtw_handle_tkip_mic_err23a(struct rtw_adapter *padapter, u8 bgroup)
{
enum nl80211_key_type key_type = 0;
union iwreq_data wrqu;
struct iw_michaelmicfailure ev;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
unsigned long cur_time;
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;
}
}
if (bgroup)
key_type |= NL80211_KEYTYPE_GROUP;
else
key_type |= NL80211_KEYTYPE_PAIRWISE;
cfg80211_michael_mic_failure(padapter->pnetdev,
(u8 *)&pmlmepriv->assoc_bssid[0],
key_type, -1, NULL, GFP_ATOMIC);
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;
ether_addr_copy(ev.src_addr.sa_data, &pmlmepriv->assoc_bssid[0]);
memset(&wrqu, 0x00, sizeof(wrqu));
wrqu.data.length = sizeof(ev);
}
int rtw_recv_indicatepkt23a(struct rtw_adapter *padapter,
struct recv_frame *precv_frame)
{
struct recv_priv *precvpriv;
struct sk_buff *skb;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
precvpriv = &padapter->recvpriv;
skb = precv_frame->pkt;
if (!skb) {
RT_TRACE(_module_recv_osdep_c_, _drv_err_,
("rtw_recv_indicatepkt23a():skb == NULL!!!!\n"));
goto _recv_indicatepkt_drop;
}
RT_TRACE(_module_recv_osdep_c_, _drv_info_,
("rtw_recv_indicatepkt23a():skb != NULL !!!\n"));
RT_TRACE(_module_recv_osdep_c_, _drv_info_,
("rtw_recv_indicatepkt23a():precv_frame->hdr.rx_data =%p\n",
precv_frame->pkt->data));
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 (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
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_multicast_ether_addr(pattrib->dst);
/* DBG_8723A("bmcast =%d\n", bmcast); */
if (!ether_addr_equal(pattrib->dst,
myid(&padapter->eeprompriv))) {
/* DBG_8723A("not ap psta =%p, addr =%pM\n", psta, pattrib->dst); */
if (bmcast) {
psta = rtw_get_bcmc_stainfo23a(padapter);
pskb2 = skb_clone(skb, GFP_ATOMIC);
} else {
psta = rtw_get_stainfo23a(pstapriv, pattrib->dst);
}
if (psta) {
struct net_device *pnetdev = padapter->pnetdev;
/* DBG_8723A("directly forwarding to the rtw_xmit23a_entry23a\n"); */
/* skb->ip_summed = CHECKSUM_NONE; */
skb->dev = pnetdev;
skb_set_queue_mapping(skb, rtw_recv_select_queue23a(skb));
rtw_xmit23a_entry23a(skb, pnetdev);
if (bmcast)
skb = pskb2;
else
goto _recv_indicatepkt_end;
}
} else { /* to APself */
/* DBG_8723A("to APSelf\n"); */
}
}
skb->ip_summed = CHECKSUM_NONE;
skb->dev = padapter->pnetdev;
skb->protocol = eth_type_trans(skb, padapter->pnetdev);
netif_rx(skb);
_recv_indicatepkt_end:
precv_frame->pkt = NULL; /* pointers to NULL before rtw_free_recvframe23a() */
rtw_free_recvframe23a(precv_frame);
RT_TRACE(_module_recv_osdep_c_, _drv_info_,
("\n rtw_recv_indicatepkt23a :after netif_rx!!!!\n"));
return _SUCCESS;
_recv_indicatepkt_drop:
rtw_free_recvframe23a(precv_frame);
return _FAIL;
}
void rtw_init_recv_timer23a(struct recv_reorder_ctrl *preorder_ctrl)
{
setup_timer(&preorder_ctrl->reordering_ctrl_timer,
rtw_reordering_ctrl_timeout_handler23a,
(unsigned long)preorder_ctrl);
}
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