diff --git a/os_dep/recv_linux.c b/os_dep/recv_linux.c index 62b43b5..4367c2d 100644 --- a/os_dep/recv_linux.c +++ b/os_dep/recv_linux.c @@ -29,125 +29,109 @@ #include #include -//init os related resource in struct recv_priv -int rtw_os_recv_resource_init(struct recv_priv *precvpriv, struct adapter *padapter) +/* init os related resource in struct recv_priv */ +int rtw_os_recv_resource_init(struct recv_priv *precvpriv, + struct adapter *padapter) { - int res=_SUCCESS; - - return res; + return _SUCCESS; } -//alloc os related resource in union recv_frame -int rtw_os_recv_resource_alloc(struct adapter *padapter, union recv_frame *precvframe) +/* alloc os related resource in union recv_frame */ +int rtw_os_recv_resource_alloc(struct adapter *padapter, + union recv_frame *precvframe) { - int res=_SUCCESS; - - precvframe->u.hdr.pkt_newalloc = precvframe->u.hdr.pkt = NULL; - - return res; - + precvframe->u.hdr.pkt_newalloc = NULL; + precvframe->u.hdr.pkt = NULL; + return _SUCCESS; } -//free os related resource in union recv_frame +/* free os related resource in union recv_frame */ void rtw_os_recv_resource_free(struct recv_priv *precvpriv) { - } - -//alloc os related resource in struct recv_buf -int rtw_os_recvbuf_resource_alloc(struct adapter *padapter, struct recv_buf *precvbuf) +/* alloc os related resource in struct recv_buf */ +int rtw_os_recvbuf_resource_alloc(struct adapter *padapter, + struct recv_buf *precvbuf) { - int res=_SUCCESS; + int res = _SUCCESS; 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){ + if (precvbuf->purb == NULL) res = _FAIL; - } - precvbuf->pskb = NULL; - precvbuf->reuse = false; - - precvbuf->pallocated_buf = precvbuf->pbuf = NULL; - - precvbuf->pdata = precvbuf->phead = precvbuf->ptail = precvbuf->pend = NULL; - + precvbuf->pallocated_buf = NULL; + precvbuf->pbuf = NULL; + precvbuf->pdata = NULL; + precvbuf->phead = NULL; + precvbuf->ptail = NULL; + precvbuf->pend = NULL; precvbuf->transfer_len = 0; - precvbuf->len = 0; - return res; } -//free os related resource in struct recv_buf -int rtw_os_recvbuf_resource_free(struct adapter *padapter, struct recv_buf *precvbuf) +/* free os related resource in struct recv_buf */ +int rtw_os_recvbuf_resource_free(struct adapter *padapter, + struct recv_buf *precvbuf) { if (precvbuf->purb) usb_free_urb(precvbuf->purb); - - if (precvbuf->pskb) - dev_kfree_skb_any(precvbuf->pskb); - return _SUCCESS; } -void rtw_handle_tkip_mic_err(struct adapter *padapter,u8 bgroup) +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 mlme_priv *pmlmepriv = &padapter->mlmepriv; struct security_priv *psecuritypriv = &padapter->securitypriv; u32 cur_time = 0; - if ( psecuritypriv->last_mic_err_time == 0 ) - { + if (psecuritypriv->last_mic_err_time == 0) { psecuritypriv->last_mic_err_time = rtw_get_current_time(); - } - else - { + } else { cur_time = rtw_get_current_time(); - if ( cur_time - psecuritypriv->last_mic_err_time < 60*HZ ) - { + 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 - { + } else { psecuritypriv->last_mic_err_time = rtw_get_current_time(); } } - _rtw_memset( &ev, 0x00, sizeof( ev ) ); - if ( bgroup ) - ev.flags |= IW_MICFAILURE_GROUP; + _rtw_memset(&ev, 0x00, sizeof(ev)); + if (bgroup) + ev.flags |= IW_MICFAILURE_GROUP; else - ev.flags |= IW_MICFAILURE_PAIRWISE; + ev.flags |= IW_MICFAILURE_PAIRWISE; ev.src_addr.sa_family = ARPHRD_ETHER; - _rtw_memcpy( ev.src_addr.sa_data, &pmlmepriv->assoc_bssid[ 0 ], ETH_ALEN ); - - _rtw_memset( &wrqu, 0x00, sizeof( wrqu ) ); - wrqu.data.length = sizeof( ev ); - - wireless_send_event( padapter->pnetdev, IWEVMICHAELMICFAILURE, &wrqu, (char*) &ev ); + _rtw_memcpy(ev.src_addr.sa_data, &pmlmepriv->assoc_bssid[0], ETH_ALEN); + _rtw_memset(&wrqu, 0x00, sizeof(wrqu)); + wrqu.data.length = sizeof(ev); + wireless_send_event(padapter->pnetdev, IWEVMICHAELMICFAILURE, + &wrqu, (char *)&ev); } -void rtw_hostapd_mlme_rx(struct adapter *padapter, union recv_frame *precv_frame) +void rtw_hostapd_mlme_rx(struct adapter *padapter, + union recv_frame *precv_frame) { } -int rtw_recv_indicatepkt(struct adapter *padapter, union recv_frame *precv_frame) +int rtw_recv_indicatepkt(struct adapter *padapter, + union recv_frame *precv_frame) { struct recv_priv *precvpriv; struct __queue *pfree_recv_queue; struct sk_buff *skb; - struct mlme_priv*pmlmepriv = &padapter->mlmepriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; void *br_port = NULL; _func_enter_; @@ -157,13 +141,20 @@ _func_enter_; 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")); + 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)); + 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; @@ -171,20 +162,20 @@ _func_enter_; skb->len = precv_frame->u.hdr.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)); + 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) == true) { - struct sk_buff *pskb2=NULL; + 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->u.hdr.attrib; int bmcast = IS_MCAST(pattrib->dst); - //DBG_88E("bmcast=%d\n", bmcast); - - if (_rtw_memcmp(pattrib->dst, myid(&padapter->eeprompriv), ETH_ALEN)==false) { + if (!_rtw_memcmp(pattrib->dst, myid(&padapter->eeprompriv), + ETH_ALEN)) { if (bmcast) { psta = rtw_get_bcmc_stainfo(padapter); pskb2 = skb_clone(skb, GFP_ATOMIC); @@ -192,17 +183,14 @@ _func_enter_; psta = rtw_get_stainfo(pstapriv, pattrib->dst); } - if (psta) - { - struct net_device *pnetdev= (struct net_device*)padapter->pnetdev; + if (psta) { + struct net_device *pnetdev; - //DBG_88E("directly forwarding to the rtw_xmit_entry\n"); - - //skb->ip_summed = CHECKSUM_NONE; + pnetdev = (struct net_device *)padapter->pnetdev; skb->dev = pnetdev; -#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35)) +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)) skb_set_queue_mapping(skb, rtw_recv_select_queue(skb)); -#endif //LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35) +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) */ rtw_xmit_entry(skb, pnetdev); @@ -211,22 +199,16 @@ _func_enter_; else goto _recv_indicatepkt_end; } - - - } - else// to APself - { - //DBG_88E("to APSelf\n"); } } #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) br_port = padapter->pnetdev->br_port; -#else // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) +#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)) +#endif /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) */ skb->ip_summed = CHECKSUM_NONE; skb->dev = padapter->pnetdev; @@ -236,26 +218,26 @@ _func_enter_; _recv_indicatepkt_end: - precv_frame->u.hdr.pkt = NULL; // pointers to NULL before rtw_free_recvframe() + /* pointers to NULL before rtw_free_recvframe() */ + precv_frame->u.hdr.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")); + RT_TRACE(_module_recv_osdep_c_, _drv_info_, + ("\n rtw_recv_indicatepkt :after netif_rx!!!!\n")); _func_exit_; - return _SUCCESS; + return _SUCCESS; _recv_indicatepkt_drop: - //enqueue back to free_recv_queue - if (precv_frame) - rtw_free_recvframe(precv_frame, pfree_recv_queue); - - return _FAIL; + /* enqueue back to free_recv_queue */ + if (precv_frame) + rtw_free_recvframe(precv_frame, pfree_recv_queue); _func_exit_; - + return _FAIL; } void rtw_os_read_port(struct adapter *padapter, struct recv_buf *precvbuf) @@ -263,22 +245,20 @@ void rtw_os_read_port(struct adapter *padapter, struct recv_buf *precvbuf) struct recv_priv *precvpriv = &padapter->recvpriv; precvbuf->ref_cnt--; - - //free skb in recv_buf + /* free skb in recv_buf */ dev_kfree_skb_any(precvbuf->pskb); - precvbuf->pskb = NULL; precvbuf->reuse = false; - - if (precvbuf->irp_pending == false) - { - rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); - } + if (!precvbuf->irp_pending) + rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, + (unsigned char *)precvbuf); } -void _rtw_reordering_ctrl_timeout_handler(void *FunctionContext) +void _rtw_reordering_ctrl_timeout_handler(void *func_context) { - struct recv_reorder_ctrl *preorder_ctrl = (struct recv_reorder_ctrl *)FunctionContext; + struct recv_reorder_ctrl *preorder_ctrl; + + preorder_ctrl = (struct recv_reorder_ctrl *)func_context; rtw_reordering_ctrl_timeout_handler(preorder_ctrl); } @@ -287,5 +267,4 @@ void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl) struct adapter *padapter = preorder_ctrl->padapter; _init_timer(&(preorder_ctrl->reordering_ctrl_timer), padapter->pnetdev, _rtw_reordering_ctrl_timeout_handler, preorder_ctrl); - }