1/****************************************************************************** 2 * 3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 ******************************************************************************/ 15#define _RECV_OSDEP_C_ 16 17#include <osdep_service.h> 18#include <drv_types.h> 19 20#include <wifi.h> 21#include <recv_osdep.h> 22 23#include <osdep_intf.h> 24 25#include <usb_ops.h> 26 27void rtw_handle_tkip_mic_err23a(struct rtw_adapter *padapter, u8 bgroup) 28{ 29 enum nl80211_key_type key_type = 0; 30 union iwreq_data wrqu; 31 struct iw_michaelmicfailure ev; 32 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 33 struct security_priv *psecuritypriv = &padapter->securitypriv; 34 unsigned long cur_time; 35 36 if (psecuritypriv->last_mic_err_time == 0) { 37 psecuritypriv->last_mic_err_time = jiffies; 38 } else { 39 cur_time = jiffies; 40 41 if (cur_time - psecuritypriv->last_mic_err_time < 60*HZ) { 42 psecuritypriv->btkip_countermeasure = true; 43 psecuritypriv->last_mic_err_time = 0; 44 psecuritypriv->btkip_countermeasure_time = cur_time; 45 } else { 46 psecuritypriv->last_mic_err_time = jiffies; 47 } 48 } 49 50 if (bgroup) 51 key_type |= NL80211_KEYTYPE_GROUP; 52 else 53 key_type |= NL80211_KEYTYPE_PAIRWISE; 54 55 cfg80211_michael_mic_failure(padapter->pnetdev, 56 (u8 *)&pmlmepriv->assoc_bssid[0], 57 key_type, -1, NULL, GFP_ATOMIC); 58 59 memset(&ev, 0x00, sizeof(ev)); 60 if (bgroup) 61 ev.flags |= IW_MICFAILURE_GROUP; 62 else 63 ev.flags |= IW_MICFAILURE_PAIRWISE; 64 65 ev.src_addr.sa_family = ARPHRD_ETHER; 66 ether_addr_copy(ev.src_addr.sa_data, &pmlmepriv->assoc_bssid[0]); 67 68 memset(&wrqu, 0x00, sizeof(wrqu)); 69 wrqu.data.length = sizeof(ev); 70} 71 72int rtw_recv_indicatepkt23a(struct rtw_adapter *padapter, 73 struct recv_frame *precv_frame) 74{ 75 struct recv_priv *precvpriv; 76 struct sk_buff *skb; 77 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 78 79 precvpriv = &padapter->recvpriv; 80 81 skb = precv_frame->pkt; 82 if (!skb) { 83 RT_TRACE(_module_recv_osdep_c_, _drv_err_, 84 ("rtw_recv_indicatepkt23a():skb == NULL!!!!\n")); 85 goto _recv_indicatepkt_drop; 86 } 87 88 RT_TRACE(_module_recv_osdep_c_, _drv_info_, 89 ("rtw_recv_indicatepkt23a():skb != NULL !!!\n")); 90 RT_TRACE(_module_recv_osdep_c_, _drv_info_, 91 ("rtw_recv_indicatepkt23a():precv_frame->hdr.rx_data =%p\n", 92 precv_frame->pkt->data)); 93 RT_TRACE(_module_recv_osdep_c_, _drv_info_, 94 ("\n skb->head =%p skb->data =%p skb->tail =%p skb->end =%p skb->len =%d\n", 95 skb->head, skb->data, 96 skb_tail_pointer(skb), skb_end_pointer(skb), skb->len)); 97 98 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) { 99 struct sk_buff *pskb2 = NULL; 100 struct sta_info *psta = NULL; 101 struct sta_priv *pstapriv = &padapter->stapriv; 102 struct rx_pkt_attrib *pattrib = &precv_frame->attrib; 103 int bmcast = is_multicast_ether_addr(pattrib->dst); 104 105 /* DBG_8723A("bmcast =%d\n", bmcast); */ 106 107 if (!ether_addr_equal(pattrib->dst, 108 myid(&padapter->eeprompriv))) { 109 /* DBG_8723A("not ap psta =%p, addr =%pM\n", psta, pattrib->dst); */ 110 if (bmcast) { 111 psta = rtw_get_bcmc_stainfo23a(padapter); 112 pskb2 = skb_clone(skb, GFP_ATOMIC); 113 } else { 114 psta = rtw_get_stainfo23a(pstapriv, pattrib->dst); 115 } 116 117 if (psta) { 118 struct net_device *pnetdev = padapter->pnetdev; 119 120 /* DBG_8723A("directly forwarding to the rtw_xmit23a_entry23a\n"); */ 121 122 /* skb->ip_summed = CHECKSUM_NONE; */ 123 skb->dev = pnetdev; 124 skb_set_queue_mapping(skb, rtw_recv_select_queue23a(skb)); 125 126 rtw_xmit23a_entry23a(skb, pnetdev); 127 128 if (bmcast) 129 skb = pskb2; 130 else 131 goto _recv_indicatepkt_end; 132 } 133 } else { /* to APself */ 134 /* DBG_8723A("to APSelf\n"); */ 135 } 136 } 137 138 skb->ip_summed = CHECKSUM_NONE; 139 skb->dev = padapter->pnetdev; 140 skb->protocol = eth_type_trans(skb, padapter->pnetdev); 141 142 netif_rx(skb); 143 144_recv_indicatepkt_end: 145 146 precv_frame->pkt = NULL; /* pointers to NULL before rtw_free_recvframe23a() */ 147 148 rtw_free_recvframe23a(precv_frame); 149 150 RT_TRACE(_module_recv_osdep_c_, _drv_info_, 151 ("\n rtw_recv_indicatepkt23a :after netif_rx!!!!\n")); 152 return _SUCCESS; 153 154_recv_indicatepkt_drop: 155 156 rtw_free_recvframe23a(precv_frame); 157 return _FAIL; 158} 159 160void rtw_init_recv_timer23a(struct recv_reorder_ctrl *preorder_ctrl) 161{ 162 setup_timer(&preorder_ctrl->reordering_ctrl_timer, 163 rtw_reordering_ctrl_timeout_handler23a, 164 (unsigned long)preorder_ctrl); 165} 166