// SPDX-License-Identifier: GPL-2.0 /****************************************************************************** * * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. * ******************************************************************************/ #include #include #include #include #include #include /* alloc os related resource in struct recv_buf */ int rtw_os_recvbuf_resource_alloc(struct adapter *padapter, struct recv_buf *precvbuf) { precvbuf->pskb = NULL; precvbuf->reuse = false; precvbuf->purb = usb_alloc_urb(0, GFP_KERNEL); if (!precvbuf->purb) return _FAIL; return _SUCCESS; } 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) { RT_TRACE(_module_recv_osdep_c_, _drv_err_, ("%s():skb == NULL something wrong!!!!\n", __func__)); goto _recv_indicatepkt_drop; } 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; bool mcast = is_multicast_ether_addr(pattrib->dst); if (memcmp(pattrib->dst, myid(&padapter->eeprompriv), ETH_ALEN)) { if (mcast) { 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 (mcast) skb = pskb2; else goto _recv_indicatepkt_end; } } } 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 %s :after netif_rx!!!!\n", __func__)); 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) { timer_setup(&preorder_ctrl->reordering_ctrl_timer, rtw_reordering_ctrl_timeout_handler, 0); }