/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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#define _RECV_OSDEP_C_
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#include <drv_types.h>
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int rtw_os_recvframe_duplicate_skb(_adapter *padapter, union recv_frame *pcloneframe, _pkt *pskb)
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{
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int res = _SUCCESS;
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_pkt *pkt_copy = NULL;
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struct rx_pkt_attrib *pattrib = &pcloneframe->u.hdr.attrib;
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if (pskb == NULL) {
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RTW_INFO("%s [WARN] skb == NULL, drop frag frame\n", __func__);
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return _FAIL;
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}
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#if 1
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pkt_copy = rtw_skb_copy(pskb);
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if (pkt_copy == NULL) {
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RTW_INFO("%s [WARN] rtw_skb_copy fail , drop frag frame\n", __func__);
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return _FAIL;
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}
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#else
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pkt_copy = rtw_skb_clone(pskb);
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if (pkt_copy == NULL) {
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RTW_INFO("%s [WARN] rtw_skb_clone fail , drop frag frame\n", __func__);
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return _FAIL;
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}
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#endif
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pkt_copy->dev = padapter->pnetdev;
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pcloneframe->u.hdr.pkt = pkt_copy;
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pcloneframe->u.hdr.rx_head = pkt_copy->head;
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pcloneframe->u.hdr.rx_data = pkt_copy->data;
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pcloneframe->u.hdr.rx_end = skb_end_pointer(pkt_copy);
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pcloneframe->u.hdr.rx_tail = skb_tail_pointer(pkt_copy);
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pcloneframe->u.hdr.len = pkt_copy->len;
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return res;
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}
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int rtw_os_alloc_recvframe(_adapter *padapter, union recv_frame *precvframe, u8 *pdata, _pkt *pskb)
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{
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int res = _SUCCESS;
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u8 shift_sz = 0;
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u32 skb_len, alloc_sz;
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_pkt *pkt_copy = NULL;
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struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
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if (pdata == NULL) {
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precvframe->u.hdr.pkt = NULL;
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res = _FAIL;
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return res;
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}
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/* Modified by Albert 20101213 */
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/* For 8 bytes IP header alignment. */
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shift_sz = pattrib->qos ? 6 : 0; /* Qos data, wireless lan header length is 26 */
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skb_len = pattrib->pkt_len;
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/* for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet. */
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/* modify alloc_sz for recvive crc error packet by thomas 2011-06-02 */
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if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
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/* alloc_sz = 1664; */ /* 1664 is 128 alignment. */
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alloc_sz = (skb_len <= 1650) ? 1664 : (skb_len + 14);
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} else {
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alloc_sz = skb_len;
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/* 6 is for IP header 8 bytes alignment in QoS packet case. */
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/* 8 is for skb->data 4 bytes alignment. */
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alloc_sz += 14;
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}
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pkt_copy = rtw_skb_alloc(alloc_sz);
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if (pkt_copy) {
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pkt_copy->dev = padapter->pnetdev;
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pkt_copy->len = skb_len;
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precvframe->u.hdr.pkt = pkt_copy;
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precvframe->u.hdr.rx_head = pkt_copy->head;
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precvframe->u.hdr.rx_end = pkt_copy->data + alloc_sz;
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skb_reserve(pkt_copy, 8 - ((SIZE_PTR)(pkt_copy->data) & 7)); /* force pkt_copy->data at 8-byte alignment address */
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skb_reserve(pkt_copy, shift_sz);/* force ip_hdr at 8-byte alignment address according to shift_sz. */
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_rtw_memcpy(pkt_copy->data, pdata, skb_len);
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precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data;
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} else {
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#if 0
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{
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rtw_free_recvframe(precvframe_if2, &precvpriv->free_recv_queue);
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rtw_enqueue_recvbuf_to_head(precvbuf, &precvpriv->recv_buf_pending_queue);
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/* The case of can't allocate skb is serious and may never be recovered,
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once bDriverStopped is enable, this task should be stopped.*/
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if (!rtw_is_drv_stopped(secondary_padapter))
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#ifdef PLATFORM_LINUX
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tasklet_schedule(&precvpriv->recv_tasklet);
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#endif
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return ret;
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}
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#endif
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#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
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RTW_INFO("%s:can not allocate memory for skb copy\n", __func__);
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precvframe->u.hdr.pkt = NULL;
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/* rtw_free_recvframe(precvframe, pfree_recv_queue); */
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/*exit_rtw_os_recv_resource_alloc;*/
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res = _FAIL;
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#else
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if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
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RTW_INFO("%s: alloc_skb fail , drop frag frame\n", __FUNCTION__);
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/* rtw_free_recvframe(precvframe, pfree_recv_queue); */
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res = _FAIL;
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goto exit_rtw_os_recv_resource_alloc;
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}
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if (pskb == NULL) {
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res = _FAIL;
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goto exit_rtw_os_recv_resource_alloc;
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}
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precvframe->u.hdr.pkt = rtw_skb_clone(pskb);
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if (precvframe->u.hdr.pkt) {
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precvframe->u.hdr.pkt->dev = padapter->pnetdev;
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precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pdata;
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precvframe->u.hdr.rx_end = pdata + alloc_sz;
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} else {
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RTW_INFO("%s: rtw_skb_clone fail\n", __FUNCTION__);
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/* rtw_free_recvframe(precvframe, pfree_recv_queue); */
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/*exit_rtw_os_recv_resource_alloc;*/
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res = _FAIL;
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}
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#endif
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}
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exit_rtw_os_recv_resource_alloc:
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return res;
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}
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void rtw_os_free_recvframe(union recv_frame *precvframe)
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{
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if (precvframe->u.hdr.pkt) {
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rtw_skb_free(precvframe->u.hdr.pkt);/* free skb by driver */
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precvframe->u.hdr.pkt = NULL;
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}
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}
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/* init os related resource in struct recv_priv */
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int rtw_os_recv_resource_init(struct recv_priv *precvpriv, _adapter *padapter)
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{
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int res = _SUCCESS;
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#ifdef CONFIG_RTW_NAPI
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skb_queue_head_init(&precvpriv->rx_napi_skb_queue);
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#endif /* CONFIG_RTW_NAPI */
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return res;
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}
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/* alloc os related resource in union recv_frame */
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int rtw_os_recv_resource_alloc(_adapter *padapter, union recv_frame *precvframe)
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{
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int res = _SUCCESS;
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precvframe->u.hdr.pkt_newalloc = precvframe->u.hdr.pkt = NULL;
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return res;
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}
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/* free os related resource in union recv_frame */
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void rtw_os_recv_resource_free(struct recv_priv *precvpriv)
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{
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sint i;
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union recv_frame *precvframe;
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precvframe = (union recv_frame *) precvpriv->precv_frame_buf;
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#ifdef CONFIG_RTW_NAPI
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if (skb_queue_len(&precvpriv->rx_napi_skb_queue))
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RTW_WARN("rx_napi_skb_queue not empty\n");
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rtw_skb_queue_purge(&precvpriv->rx_napi_skb_queue);
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#endif /* CONFIG_RTW_NAPI */
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for (i = 0; i < NR_RECVFRAME; i++) {
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if (precvframe->u.hdr.pkt) {
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rtw_skb_free(precvframe->u.hdr.pkt);/* free skb by driver */
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precvframe->u.hdr.pkt = NULL;
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}
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precvframe++;
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}
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}
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/* alloc os related resource in struct recv_buf */
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int rtw_os_recvbuf_resource_alloc(_adapter *padapter, struct recv_buf *precvbuf)
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{
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int res = _SUCCESS;
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#ifdef CONFIG_USB_HCI
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struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
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struct usb_device *pusbd = pdvobjpriv->pusbdev;
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precvbuf->irp_pending = _FALSE;
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precvbuf->purb = usb_alloc_urb(0, GFP_KERNEL);
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if (precvbuf->purb == NULL)
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res = _FAIL;
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precvbuf->pskb = NULL;
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precvbuf->pallocated_buf = precvbuf->pbuf = NULL;
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precvbuf->pdata = precvbuf->phead = precvbuf->ptail = precvbuf->pend = NULL;
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precvbuf->transfer_len = 0;
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precvbuf->len = 0;
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#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
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precvbuf->pallocated_buf = rtw_usb_buffer_alloc(pusbd, (size_t)precvbuf->alloc_sz, &precvbuf->dma_transfer_addr);
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precvbuf->pbuf = precvbuf->pallocated_buf;
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if (precvbuf->pallocated_buf == NULL)
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return _FAIL;
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#endif /* CONFIG_USE_USB_BUFFER_ALLOC_RX */
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#endif /* CONFIG_USB_HCI */
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return res;
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}
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/* free os related resource in struct recv_buf */
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int rtw_os_recvbuf_resource_free(_adapter *padapter, struct recv_buf *precvbuf)
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{
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int ret = _SUCCESS;
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#ifdef CONFIG_USB_HCI
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#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
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struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
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struct usb_device *pusbd = pdvobjpriv->pusbdev;
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rtw_usb_buffer_free(pusbd, (size_t)precvbuf->alloc_sz, precvbuf->pallocated_buf, precvbuf->dma_transfer_addr);
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precvbuf->pallocated_buf = NULL;
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precvbuf->dma_transfer_addr = 0;
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#endif /* CONFIG_USE_USB_BUFFER_ALLOC_RX */
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if (precvbuf->purb) {
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/* usb_kill_urb(precvbuf->purb); */
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usb_free_urb(precvbuf->purb);
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}
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#endif /* CONFIG_USB_HCI */
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if (precvbuf->pskb) {
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#ifdef CONFIG_PREALLOC_RX_SKB_BUFFER
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if (rtw_free_skb_premem(precvbuf->pskb) != 0)
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#endif
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rtw_skb_free(precvbuf->pskb);
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}
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return ret;
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}
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_pkt *rtw_os_alloc_msdu_pkt(union recv_frame *prframe, u16 nSubframe_Length, u8 *pdata)
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{
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u16 eth_type;
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u8 *data_ptr;
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_pkt *sub_skb;
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struct rx_pkt_attrib *pattrib;
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pattrib = &prframe->u.hdr.attrib;
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#ifdef CONFIG_SKB_COPY
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sub_skb = rtw_skb_alloc(nSubframe_Length + 12);
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if (sub_skb) {
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skb_reserve(sub_skb, 12);
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data_ptr = (u8 *)skb_put(sub_skb, nSubframe_Length);
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_rtw_memcpy(data_ptr, (pdata + ETH_HLEN), nSubframe_Length);
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} else
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#endif /* CONFIG_SKB_COPY */
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{
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sub_skb = rtw_skb_clone(prframe->u.hdr.pkt);
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if (sub_skb) {
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sub_skb->data = pdata + ETH_HLEN;
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sub_skb->len = nSubframe_Length;
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skb_set_tail_pointer(sub_skb, nSubframe_Length);
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} else {
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RTW_INFO("%s(): rtw_skb_clone() Fail!!!\n", __FUNCTION__);
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return NULL;
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}
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}
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eth_type = RTW_GET_BE16(&sub_skb->data[6]);
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if (sub_skb->len >= 8 &&
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((_rtw_memcmp(sub_skb->data, rtw_rfc1042_header, SNAP_SIZE) &&
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eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) ||
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_rtw_memcmp(sub_skb->data, rtw_bridge_tunnel_header, SNAP_SIZE))) {
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/* remove RFC1042 or Bridge-Tunnel encapsulation and replace EtherType */
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skb_pull(sub_skb, SNAP_SIZE);
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_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src, ETH_ALEN);
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_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst, ETH_ALEN);
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} else {
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u16 len;
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/* Leave Ethernet header part of hdr and full payload */
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len = htons(sub_skb->len);
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_rtw_memcpy(skb_push(sub_skb, 2), &len, 2);
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_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src, ETH_ALEN);
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_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst, ETH_ALEN);
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}
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return sub_skb;
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}
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#ifdef CONFIG_RTW_NAPI
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static int napi_recv(_adapter *padapter, int budget)
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{
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_pkt *pskb;
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struct recv_priv *precvpriv = &padapter->recvpriv;
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int work_done = 0;
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struct registry_priv *pregistrypriv = &padapter->registrypriv;
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u8 rx_ok;
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while ((work_done < budget) &&
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(!skb_queue_empty(&precvpriv->rx_napi_skb_queue))) {
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pskb = skb_dequeue(&precvpriv->rx_napi_skb_queue);
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if (!pskb)
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break;
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rx_ok = _FALSE;
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#ifdef CONFIG_RTW_GRO
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if (pregistrypriv->en_gro) {
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if (rtw_napi_gro_receive(&padapter->napi, pskb) != GRO_DROP)
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rx_ok = _TRUE;
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goto next;
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}
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#endif /* CONFIG_RTW_GRO */
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if (rtw_netif_receive_skb(padapter->pnetdev, pskb) == NET_RX_SUCCESS)
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rx_ok = _TRUE;
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next:
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if (rx_ok == _TRUE) {
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work_done++;
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DBG_COUNTER(padapter->rx_logs.os_netif_ok);
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} else {
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DBG_COUNTER(padapter->rx_logs.os_netif_err);
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}
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}
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return work_done;
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}
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int rtw_recv_napi_poll(struct napi_struct *napi, int budget)
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{
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_adapter *padapter = container_of(napi, _adapter, napi);
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int work_done = 0;
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struct recv_priv *precvpriv = &padapter->recvpriv;
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work_done = napi_recv(padapter, budget);
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if (work_done < budget) {
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napi_complete(napi);
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if (!skb_queue_empty(&precvpriv->rx_napi_skb_queue))
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napi_schedule(napi);
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}
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return work_done;
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}
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#endif /* CONFIG_RTW_NAPI */
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#ifdef DBG_UDP_PKT_LOSE_11AC
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#define PAYLOAD_LEN_LOC_OF_IP_HDR 0x10 /*ethernet payload length location of ip header (DA + SA+eth_type+(version&hdr_len)) */
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#endif
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void rtw_os_recv_indicate_pkt(_adapter *padapter, _pkt *pkt, struct rx_pkt_attrib *pattrib)
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{
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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struct recv_priv *precvpriv = &(padapter->recvpriv);
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struct registry_priv *pregistrypriv = &padapter->registrypriv;
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#ifdef CONFIG_BR_EXT
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void *br_port = NULL;
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#endif
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int ret;
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/* Indicat the packets to upper layer */
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if (pkt) {
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if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) {
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_pkt *pskb2 = NULL;
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struct sta_info *psta = NULL;
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struct sta_priv *pstapriv = &padapter->stapriv;
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int bmcast = IS_MCAST(pattrib->dst);
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/* RTW_INFO("bmcast=%d\n", bmcast); */
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if (_rtw_memcmp(pattrib->dst, adapter_mac_addr(padapter), ETH_ALEN) == _FALSE) {
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/* RTW_INFO("not ap psta=%p, addr=%pM\n", psta, pattrib->dst); */
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if (bmcast) {
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psta = rtw_get_bcmc_stainfo(padapter);
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pskb2 = rtw_skb_clone(pkt);
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} else
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psta = rtw_get_stainfo(pstapriv, pattrib->dst);
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if (psta) {
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struct net_device *pnetdev = (struct net_device *)padapter->pnetdev;
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/* RTW_INFO("directly forwarding to the rtw_xmit_entry\n"); */
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/* skb->ip_summed = CHECKSUM_NONE; */
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pkt->dev = pnetdev;
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
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skb_set_queue_mapping(pkt, rtw_recv_select_queue(pkt));
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#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) */
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_rtw_xmit_entry(pkt, pnetdev);
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if (bmcast && (pskb2 != NULL)) {
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pkt = pskb2;
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DBG_COUNTER(padapter->rx_logs.os_indicate_ap_mcast);
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} else {
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DBG_COUNTER(padapter->rx_logs.os_indicate_ap_forward);
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return;
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}
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}
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} else { /* to APself */
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/* RTW_INFO("to APSelf\n"); */
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DBG_COUNTER(padapter->rx_logs.os_indicate_ap_self);
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}
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}
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#ifdef CONFIG_BR_EXT
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/* Insert NAT2.5 RX here! */
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#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
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br_port = padapter->pnetdev->br_port;
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#else /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) */
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rcu_read_lock();
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br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
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rcu_read_unlock();
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#endif /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) */
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if (br_port && (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_ADHOC_STATE) == _TRUE)) {
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int nat25_handle_frame(_adapter *priv, struct sk_buff *skb);
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if (nat25_handle_frame(padapter, pkt) == -1) {
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/* priv->ext_stats.rx_data_drops++; */
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/* DEBUG_ERR("RX DROP: nat25_handle_frame fail!\n"); */
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/* return FAIL; */
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#if 1
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/* bypass this frame to upper layer!! */
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#else
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rtw_skb_free(sub_skb);
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continue;
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#endif
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}
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}
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#endif /* CONFIG_BR_EXT */
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if (precvpriv->sink_udpport > 0)
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rtw_sink_rtp_seq_dbg(padapter, pkt);
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#ifdef DBG_UDP_PKT_LOSE_11AC
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/* After eth_type_trans process , pkt->data pointer will move from ethrnet header to ip header ,
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* we have to check ethernet type , so this debug must be print before eth_type_trans
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*/
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if (*((unsigned short *)(pkt->data + ETH_ALEN * 2)) == htons(ETH_P_ARP)) {
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/* ARP Payload length will be 42bytes or 42+18(tailer)=60bytes*/
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if (pkt->len != 42 && pkt->len != 60)
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RTW_INFO("Error !!%s,ARP Payload length %u not correct\n" , __func__ , pkt->len);
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} else if (*((unsigned short *)(pkt->data + ETH_ALEN * 2)) == htons(ETH_P_IP)) {
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if (be16_to_cpu(*((u16 *)(pkt->data + PAYLOAD_LEN_LOC_OF_IP_HDR))) != (pkt->len) - ETH_HLEN) {
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RTW_INFO("Error !!%s,Payload length not correct\n" , __func__);
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RTW_INFO("%s, IP header describe Total length=%u\n" , __func__ , be16_to_cpu(*((u16 *)(pkt->data + PAYLOAD_LEN_LOC_OF_IP_HDR))));
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RTW_INFO("%s, Pkt real length=%u\n" , __func__ , (pkt->len) - ETH_HLEN);
|
}
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}
|
#endif
|
/* After eth_type_trans process , pkt->data pointer will move from ethrnet header to ip header */
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pkt->protocol = eth_type_trans(pkt, padapter->pnetdev);
|
pkt->dev = padapter->pnetdev;
|
|
#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
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if ((pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1))
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pkt->ip_summed = CHECKSUM_UNNECESSARY;
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else
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pkt->ip_summed = CHECKSUM_NONE;
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#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
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pkt->ip_summed = CHECKSUM_NONE;
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#endif /* CONFIG_TCP_CSUM_OFFLOAD_RX */
|
|
#ifdef CONFIG_RTW_NAPI
|
if (pregistrypriv->en_napi) {
|
skb_queue_tail(&precvpriv->rx_napi_skb_queue, pkt);
|
napi_schedule(&padapter->napi);
|
return;
|
}
|
#endif /* CONFIG_RTW_NAPI */
|
|
ret = rtw_netif_rx(padapter->pnetdev, pkt);
|
if (ret == NET_RX_SUCCESS)
|
DBG_COUNTER(padapter->rx_logs.os_netif_ok);
|
else
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DBG_COUNTER(padapter->rx_logs.os_netif_err);
|
}
|
}
|
|
void rtw_handle_tkip_mic_err(_adapter *padapter, struct sta_info *sta, u8 bgroup)
|
{
|
#ifdef CONFIG_IOCTL_CFG80211
|
enum nl80211_key_type key_type = 0;
|
#endif
|
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 = rtw_get_current_time();
|
else {
|
cur_time = rtw_get_current_time();
|
|
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 = rtw_get_current_time();
|
}
|
|
#ifdef CONFIG_IOCTL_CFG80211
|
if (bgroup)
|
key_type |= NL80211_KEYTYPE_GROUP;
|
else
|
key_type |= NL80211_KEYTYPE_PAIRWISE;
|
|
cfg80211_michael_mic_failure(padapter->pnetdev, sta->hwaddr, key_type, -1, NULL, GFP_ATOMIC);
|
#endif
|
|
_rtw_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;
|
_rtw_memcpy(ev.src_addr.sa_data, sta->hwaddr, ETH_ALEN);
|
|
_rtw_memset(&wrqu, 0x00, sizeof(wrqu));
|
wrqu.data.length = sizeof(ev);
|
|
#ifndef CONFIG_IOCTL_CFG80211
|
wireless_send_event(padapter->pnetdev, IWEVMICHAELMICFAILURE, &wrqu, (char *) &ev);
|
#endif
|
}
|
|
void rtw_hostapd_mlme_rx(_adapter *padapter, union recv_frame *precv_frame)
|
{
|
#ifdef CONFIG_HOSTAPD_MLME
|
_pkt *skb;
|
struct hostapd_priv *phostapdpriv = padapter->phostapdpriv;
|
struct net_device *pmgnt_netdev = phostapdpriv->pmgnt_netdev;
|
|
|
skb = precv_frame->u.hdr.pkt;
|
|
if (skb == NULL)
|
return;
|
|
skb->data = precv_frame->u.hdr.rx_data;
|
skb->tail = precv_frame->u.hdr.rx_tail;
|
skb->len = precv_frame->u.hdr.len;
|
|
/* pskb_copy = rtw_skb_copy(skb);
|
* if(skb == NULL) goto _exit; */
|
|
skb->dev = pmgnt_netdev;
|
skb->ip_summed = CHECKSUM_NONE;
|
skb->pkt_type = PACKET_OTHERHOST;
|
/* skb->protocol = __constant_htons(0x0019); ETH_P_80211_RAW */
|
skb->protocol = __constant_htons(0x0003); /*ETH_P_80211_RAW*/
|
|
/* RTW_INFO("(1)data=0x%x, head=0x%x, tail=0x%x, mac_header=0x%x, len=%d\n", skb->data, skb->head, skb->tail, skb->mac_header, skb->len); */
|
|
/* skb->mac.raw = skb->data; */
|
skb_reset_mac_header(skb);
|
|
/* skb_pull(skb, 24); */
|
_rtw_memset(skb->cb, 0, sizeof(skb->cb));
|
|
rtw_netif_rx(pmgnt_netdev, skb);
|
|
precv_frame->u.hdr.pkt = NULL; /* set pointer to NULL before rtw_free_recvframe() if call rtw_netif_rx() */
|
#endif
|
}
|
|
#ifdef CONFIG_AUTO_AP_MODE
|
static void rtw_os_ksocket_send(_adapter *padapter, union recv_frame *precv_frame)
|
{
|
_pkt *skb = precv_frame->u.hdr.pkt;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct sta_info *psta = precv_frame->u.hdr.psta;
|
|
RTW_INFO("eth rx: got eth_type=0x%x\n", pattrib->eth_type);
|
|
if (psta && psta->isrc && psta->pid > 0) {
|
u16 rx_pid;
|
|
rx_pid = *(u16 *)(skb->data + ETH_HLEN);
|
|
RTW_INFO("eth rx(pid=0x%x): sta("MAC_FMT") pid=0x%x\n",
|
rx_pid, MAC_ARG(psta->hwaddr), psta->pid);
|
|
if (rx_pid == psta->pid) {
|
int i;
|
u16 len = *(u16 *)(skb->data + ETH_HLEN + 2);
|
/* u16 ctrl_type = *(u16*)(skb->data+ETH_HLEN+4); */
|
|
/* RTW_INFO("eth, RC: len=0x%x, ctrl_type=0x%x\n", len, ctrl_type); */
|
RTW_INFO("eth, RC: len=0x%x\n", len);
|
|
for (i = 0; i < len; i++)
|
RTW_INFO("0x%x\n", *(skb->data + ETH_HLEN + 4 + i));
|
/* RTW_INFO("0x%x\n", *(skb->data+ETH_HLEN+6+i)); */
|
|
RTW_INFO("eth, RC-end\n");
|
|
#if 0
|
/* send_sz = ksocket_send(padapter->ksock_send, &padapter->kaddr_send, (skb->data+ETH_HLEN+2), len); */
|
rtw_recv_ksocket_send_cmd(padapter, (skb->data + ETH_HLEN + 2), len);
|
|
/* RTW_INFO("ksocket_send size=%d\n", send_sz); */
|
#endif
|
}
|
|
}
|
|
}
|
#endif /* CONFIG_AUTO_AP_MODE */
|
|
int rtw_recv_monitor(_adapter *padapter, union recv_frame *precv_frame)
|
{
|
int ret = _FAIL;
|
struct recv_priv *precvpriv;
|
_queue *pfree_recv_queue;
|
_pkt *skb;
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct rx_pkt_attrib *pattrib;
|
|
if (NULL == precv_frame)
|
goto _recv_drop;
|
|
pattrib = &precv_frame->u.hdr.attrib;
|
precvpriv = &(padapter->recvpriv);
|
pfree_recv_queue = &(precvpriv->free_recv_queue);
|
|
skb = precv_frame->u.hdr.pkt;
|
if (skb == NULL) {
|
RTW_INFO("%s :skb==NULL something wrong!!!!\n", __func__);
|
goto _recv_drop;
|
}
|
|
skb->data = precv_frame->u.hdr.rx_data;
|
skb_set_tail_pointer(skb, precv_frame->u.hdr.len);
|
skb->len = precv_frame->u.hdr.len;
|
skb->ip_summed = CHECKSUM_NONE;
|
skb->pkt_type = PACKET_OTHERHOST;
|
skb->protocol = htons(0x0019); /* ETH_P_80211_RAW */
|
|
rtw_netif_rx(padapter->pnetdev, skb);
|
|
/* pointers to NULL before rtw_free_recvframe() */
|
precv_frame->u.hdr.pkt = NULL;
|
|
ret = _SUCCESS;
|
|
_recv_drop:
|
|
/* enqueue back to free_recv_queue */
|
if (precv_frame)
|
rtw_free_recvframe(precv_frame, pfree_recv_queue);
|
|
return ret;
|
|
}
|
|
int rtw_recv_indicatepkt(_adapter *padapter, union recv_frame *precv_frame)
|
{
|
struct recv_priv *precvpriv;
|
_queue *pfree_recv_queue;
|
_pkt *skb;
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct rx_pkt_attrib *pattrib;
|
|
if (NULL == precv_frame)
|
goto _recv_indicatepkt_drop;
|
|
DBG_COUNTER(padapter->rx_logs.os_indicate);
|
pattrib = &precv_frame->u.hdr.attrib;
|
precvpriv = &(padapter->recvpriv);
|
pfree_recv_queue = &(precvpriv->free_recv_queue);
|
|
#ifdef CONFIG_DRVEXT_MODULE
|
if (drvext_rx_handler(padapter, precv_frame->u.hdr.rx_data, precv_frame->u.hdr.len) == _SUCCESS)
|
goto _recv_indicatepkt_drop;
|
#endif
|
|
#ifdef CONFIG_WAPI_SUPPORT
|
if (rtw_wapi_check_for_drop(padapter, precv_frame)) {
|
WAPI_TRACE(WAPI_ERR, "%s(): Rx Reorder Drop case!!\n", __FUNCTION__);
|
goto _recv_indicatepkt_drop;
|
}
|
#endif
|
|
skb = precv_frame->u.hdr.pkt;
|
if (skb == NULL) {
|
goto _recv_indicatepkt_drop;
|
}
|
|
|
skb->data = precv_frame->u.hdr.rx_data;
|
|
skb_set_tail_pointer(skb, precv_frame->u.hdr.len);
|
|
skb->len = precv_frame->u.hdr.len;
|
|
|
if (pattrib->eth_type == 0x888e)
|
RTW_PRINT("recv eapol packet\n");
|
|
#ifdef CONFIG_AUTO_AP_MODE
|
#if 1 /* for testing */
|
#if 1
|
if (0x8899 == pattrib->eth_type) {
|
rtw_os_ksocket_send(padapter, precv_frame);
|
|
/* goto _recv_indicatepkt_drop; */
|
}
|
#else
|
if (0x8899 == pattrib->eth_type) {
|
rtw_auto_ap_mode_rx(padapter, precv_frame);
|
|
goto _recv_indicatepkt_end;
|
}
|
#endif
|
#endif
|
#endif /* CONFIG_AUTO_AP_MODE */
|
|
/* TODO: move to core */
|
{
|
_pkt *pkt = skb;
|
struct ethhdr *etherhdr = (struct ethhdr *)pkt->data;
|
struct sta_info *sta = precv_frame->u.hdr.psta;
|
|
if (!sta)
|
goto bypass_session_tracker;
|
|
if (ntohs(etherhdr->h_proto) == ETH_P_IP) {
|
u8 *ip = pkt->data + 14;
|
|
if (GET_IPV4_PROTOCOL(ip) == 0x06 /* TCP */
|
&& rtw_st_ctl_chk_reg_s_proto(&sta->st_ctl, 0x06) == _TRUE
|
) {
|
u8 *tcp = ip + GET_IPV4_IHL(ip) * 4;
|
|
if (rtw_st_ctl_chk_reg_rule(&sta->st_ctl, padapter, IPV4_DST(ip), TCP_DST(tcp), IPV4_SRC(ip), TCP_SRC(tcp)) == _TRUE) {
|
if (GET_TCP_SYN(tcp) && GET_TCP_ACK(tcp)) {
|
session_tracker_add_cmd(padapter, sta
|
, IPV4_DST(ip), TCP_DST(tcp)
|
, IPV4_SRC(ip), TCP_SRC(tcp));
|
if (DBG_SESSION_TRACKER)
|
RTW_INFO(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" SYN-ACK\n"
|
, FUNC_ADPT_ARG(padapter)
|
, IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp))
|
, IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp)));
|
}
|
if (GET_TCP_FIN(tcp)) {
|
session_tracker_del_cmd(padapter, sta
|
, IPV4_DST(ip), TCP_DST(tcp)
|
, IPV4_SRC(ip), TCP_SRC(tcp));
|
if (DBG_SESSION_TRACKER)
|
RTW_INFO(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" FIN\n"
|
, FUNC_ADPT_ARG(padapter)
|
, IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp))
|
, IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp)));
|
}
|
}
|
|
}
|
}
|
bypass_session_tracker:
|
;
|
}
|
|
rtw_os_recv_indicate_pkt(padapter, skb, pattrib);
|
|
_recv_indicatepkt_end:
|
|
precv_frame->u.hdr.pkt = NULL; /* pointers to NULL before rtw_free_recvframe() */
|
|
rtw_free_recvframe(precv_frame, pfree_recv_queue);
|
|
|
|
return _SUCCESS;
|
|
_recv_indicatepkt_drop:
|
|
/* enqueue back to free_recv_queue */
|
if (precv_frame)
|
rtw_free_recvframe(precv_frame, pfree_recv_queue);
|
|
DBG_COUNTER(padapter->rx_logs.os_indicate_err);
|
|
return _FAIL;
|
|
}
|
|
void rtw_os_read_port(_adapter *padapter, struct recv_buf *precvbuf)
|
{
|
struct recv_priv *precvpriv = &padapter->recvpriv;
|
|
#ifdef CONFIG_USB_HCI
|
|
precvbuf->ref_cnt--;
|
|
/* free skb in recv_buf */
|
rtw_skb_free(precvbuf->pskb);
|
|
precvbuf->pskb = NULL;
|
|
if (precvbuf->irp_pending == _FALSE)
|
rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
|
|
|
#endif
|
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
|
precvbuf->pskb = NULL;
|
#endif
|
|
}
|
void _rtw_reordering_ctrl_timeout_handler(void *FunctionContext);
|
void _rtw_reordering_ctrl_timeout_handler(void *FunctionContext)
|
{
|
struct recv_reorder_ctrl *preorder_ctrl = (struct recv_reorder_ctrl *)FunctionContext;
|
rtw_reordering_ctrl_timeout_handler(preorder_ctrl);
|
}
|
|
void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl)
|
{
|
_adapter *padapter = preorder_ctrl->padapter;
|
|
_init_timer(&(preorder_ctrl->reordering_ctrl_timer), padapter->pnetdev, _rtw_reordering_ctrl_timeout_handler, preorder_ctrl);
|
|
}
|
