/******************************************************************************
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*
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* Copyright(c) 2007 - 2019 Realtek Corporation.
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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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*****************************************************************************/
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#define _RTW_RECV_C_
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#include <drv_types.h>
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#ifdef CONFIG_RTW_NEON_MODE
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#include <asm/neon.h>
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#endif
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static void rtw_signal_stat_timer_hdl(void *ctx);
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enum {
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SIGNAL_STAT_CALC_PROFILE_0 = 0,
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SIGNAL_STAT_CALC_PROFILE_1,
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#ifdef CONFIG_MP_INCLUDED
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SIGNAL_STAT_CALC_PROFILE_2,
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#endif
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SIGNAL_STAT_CALC_PROFILE_MAX
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};
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u8 signal_stat_calc_profile[SIGNAL_STAT_CALC_PROFILE_MAX][2] = {
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{4, 1}, /* Profile 0 => pre_stat : curr_stat = 4 : 1 */
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{3, 7} /* Profile 1 => pre_stat : curr_stat = 3 : 7 */
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#ifdef CONFIG_MP_INCLUDED
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,{0, 10}
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#endif
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};
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#ifndef RTW_SIGNAL_STATE_CALC_PROFILE
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#define RTW_SIGNAL_STATE_CALC_PROFILE SIGNAL_STAT_CALC_PROFILE_1
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#endif
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u8 rtw_bridge_tunnel_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
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u8 rtw_rfc1042_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
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static u8 SNAP_ETH_TYPE_IPX[2] = {0x81, 0x37};
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static u8 SNAP_ETH_TYPE_APPLETALK_AARP[2] = {0x80, 0xf3};
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#ifdef CONFIG_TDLS
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static u8 SNAP_ETH_TYPE_TDLS[2] = {0x89, 0x0d};
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#endif
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void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv)
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{
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_rtw_memset((u8 *)psta_recvpriv, 0, sizeof(struct sta_recv_priv));
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_rtw_spinlock_init(&psta_recvpriv->lock);
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/* for(i=0; i<MAX_RX_NUMBLKS; i++) */
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/* _rtw_init_queue(&psta_recvpriv->blk_strms[i]); */
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_rtw_init_queue(&psta_recvpriv->defrag_q);
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}
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u8 rtw_init_recv_info(_adapter *adapter)
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{
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u8 ret = _SUCCESS;
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struct recv_info *recvinfo = &adapter->recvinfo;
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recvinfo->sink_udpport = 0;
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recvinfo->pre_rtp_rxseq = 0;
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recvinfo->cur_rtp_rxseq = 0;
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#ifdef DBG_RX_SIGNAL_DISPLAY_RAW_DATA
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recvinfo->store_law_data_flag = _TRUE;
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#else
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recvinfo->store_law_data_flag = _FALSE;
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#endif
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#ifdef PRIVATE_R
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_rtw_memset(&(recvinfo->rx_vo_pkt_count_per_data_rate), 0, sizeof(recvinfo->rx_vo_pkt_count_per_data_rate));
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recvinfo->rx_vo_pkt_retry_count = 0;
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recvinfo->last_rx_uc_data = 0;
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recvinfo->last_rx_uc_data_rate_avg = 0;
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#endif
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#ifdef CONFIG_SIGNAL_STAT_PROCESS
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rtw_init_timer(&recvinfo->signal_stat_timer, rtw_signal_stat_timer_hdl, adapter);
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recvinfo->signal_stat_sampling_interval = 2000; /* ms */
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/* recvinfo->signal_stat_converging_constant = 5000; */ /* ms */
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#endif
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return ret;
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}
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/*#define DBG_RECV_FRAME*/
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#ifdef DBG_RECV_FRAME
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void _dump_recv_priv(struct dvobj_priv *dvobj, _queue *pfree_recv_queue)
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{
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struct recv_priv *precvpriv = &dvobj->recvpriv;
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RTW_INFO("%s free_recvframe_cnt:%d\n", __func__, precvpriv->free_recvframe_cnt);
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RTW_INFO("%s dvobj:%p pfree_recv_queue:%p : %p\n",
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__func__, dvobj, &(precvpriv->free_recv_queue), pfree_recv_queue);
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}
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#endif
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sint rtw_init_recv_priv(struct dvobj_priv *dvobj)
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{
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sint i;
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union recv_frame *precvframe;
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sint res = _SUCCESS;
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struct recv_priv *precvpriv = &dvobj->recvpriv;
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#ifdef CONFIG_RECV_THREAD_MODE
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_rtw_init_sema(&precvpriv->recv_sema, 0);
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#endif
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_rtw_init_queue(&precvpriv->free_recv_queue);
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#if 0
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_rtw_init_queue(&precvpriv->uc_swdec_pending_queue);
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#endif
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precvpriv->dvobj = dvobj;
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precvpriv->free_recvframe_cnt = NR_RECVFRAME;
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rtw_os_recv_resource_init(precvpriv);
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precvpriv->pallocated_frame_buf = rtw_zvmalloc(NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ);
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if (precvpriv->pallocated_frame_buf == NULL) {
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res = _FAIL;
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goto exit;
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}
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/* _rtw_memset(precvpriv->pallocated_frame_buf, 0, NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ); */
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precvpriv->precv_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(precvpriv->pallocated_frame_buf), RXFRAME_ALIGN_SZ);
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/* precvpriv->precv_frame_buf = precvpriv->pallocated_frame_buf + RXFRAME_ALIGN_SZ - */
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/* ((SIZE_PTR) (precvpriv->pallocated_frame_buf) &(RXFRAME_ALIGN_SZ-1)); */
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precvframe = (union recv_frame *) precvpriv->precv_frame_buf;
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for (i = 0; i < NR_RECVFRAME ; i++) {
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_rtw_init_listhead(&(precvframe->u.list));
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rtw_list_insert_tail(&(precvframe->u.list), &(precvpriv->free_recv_queue.queue));
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rtw_os_recv_resource_alloc(precvframe);
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precvframe->u.hdr.len = 0;
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precvframe->u.hdr.dvobj = dvobj;
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precvframe->u.hdr.adapter = NULL;
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precvframe->u.hdr.rx_req = NULL;
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precvframe++;
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}
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#ifdef DBG_RECV_FRAME
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RTW_INFO("%s =>precvpriv->free_recvframe_cnt:%d\n", __func__, precvpriv->free_recvframe_cnt);
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#endif
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res = rtw_intf_init_recv_priv(dvobj);
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#ifdef DBG_RECV_FRAME
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_dump_recv_priv(dvobj, &dvobj->recvpriv.free_recv_queue);
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#endif
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exit:
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return res;
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}
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void rtw_free_recv_priv(struct dvobj_priv *dvobj)
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{
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struct recv_priv *precvpriv = &dvobj->recvpriv;
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#if 0
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rtw_free_uc_swdec_pending_queue(dvobj);
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#endif
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#ifdef CONFIG_RECV_THREAD_MODE
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_rtw_free_sema(&precvpriv->recv_sema);
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#endif
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rtw_os_recv_resource_free(precvpriv);
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if (precvpriv->pallocated_frame_buf)
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rtw_vmfree(precvpriv->pallocated_frame_buf, NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ);
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_rtw_deinit_queue(&precvpriv->free_recv_queue);
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rtw_intf_free_recv_priv(dvobj);
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}
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union recv_frame *_rtw_alloc_recvframe(_queue *pfree_recv_queue)
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{
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union recv_frame *precvframe;
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_list *plist, *phead;
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struct recv_priv *precvpriv;
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struct dvobj_priv *dvobj;
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#ifdef DBG_RECV_FRAME
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RTW_INFO("%s =>pfree_recv_queue:%p\n", __func__, pfree_recv_queue);
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#endif
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if (_rtw_queue_empty(pfree_recv_queue) == _TRUE) {
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precvframe = NULL;
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}
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else {
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phead = get_list_head(pfree_recv_queue);
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plist = get_next(phead);
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precvframe = LIST_CONTAINOR(plist, union recv_frame, u);
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rtw_list_delete(&precvframe->u.hdr.list);
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dvobj = precvframe->u.hdr.dvobj;
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precvpriv = &dvobj->recvpriv;
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precvpriv->free_recvframe_cnt--;
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}
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return precvframe;
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}
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union recv_frame *rtw_alloc_recvframe(_queue *pfree_recv_queue)
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{
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union recv_frame *precvframe = NULL;
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#ifdef DBG_RECV_FRAME
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struct recv_priv *precvpriv;
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struct dvobj_priv *dvobj;
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RTW_INFO("%s =>pfree_recv_queue:%p\n", __func__, pfree_recv_queue);
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#endif
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_rtw_spinlock_bh(&pfree_recv_queue->lock);
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precvframe = _rtw_alloc_recvframe(pfree_recv_queue);
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_rtw_spinunlock_bh(&pfree_recv_queue->lock);
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if(precvframe) {
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precvframe->u.hdr.rx_req = NULL;
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#ifdef DBG_RECV_FRAME
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dvobj = precvframe->u.hdr.dvobj;
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precvpriv = &dvobj->recvpriv;
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RTW_INFO("%s =>dvobj:%p precvpriv->free_recvframe_cnt:%d\n",
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__func__,
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dvobj,
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precvpriv->free_recvframe_cnt);
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#endif
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}
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return precvframe;
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}
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void rtw_init_recvframe(union recv_frame *precvframe)
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{
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/* Perry: This can be removed */
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_rtw_init_listhead(&precvframe->u.hdr.list);
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precvframe->u.hdr.len = 0;
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}
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int rtw_free_recvframe(union recv_frame *precvframe)
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{
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struct dvobj_priv *dvobj;
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struct recv_priv *precvpriv;
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_queue *pfree_recv_queue;
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if(!precvframe) {
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RTW_ERR("%s precvframe is NULL\n", __func__);
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rtw_warn_on(1);
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return _FAIL;
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}
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dvobj = precvframe->u.hdr.dvobj;
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precvpriv = &dvobj->recvpriv;
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pfree_recv_queue = &(precvpriv->free_recv_queue);
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#ifdef DBG_RECV_FRAME
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RTW_INFO("%s dvobj:%p, phl:%p\n", __func__,dvobj, dvobj->phl);
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#endif
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#ifdef RTW_PHL_RX
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if(precvframe->u.hdr.rx_req)
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rtw_phl_return_rxbuf(GET_PHL_INFO(dvobj), (u8*)precvframe->u.hdr.rx_req);
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#endif
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rtw_os_free_recvframe(precvframe);
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_rtw_spinlock_bh(&pfree_recv_queue->lock);
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rtw_list_delete(&(precvframe->u.hdr.list));
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precvframe->u.hdr.len = 0;
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rtw_list_insert_tail(&(precvframe->u.hdr.list), get_list_head(pfree_recv_queue));
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precvpriv->free_recvframe_cnt++;
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_rtw_spinunlock_bh(&pfree_recv_queue->lock);
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#ifdef DBG_RECV_FRAME
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RTW_INFO("%s =>precvpriv->free_recvframe_cnt:%d\n", __func__, precvpriv->free_recvframe_cnt);
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#endif
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return _SUCCESS;
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}
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bool rtw_rframe_del_wfd_ie(union recv_frame *rframe, u8 ies_offset)
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{
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#define DBG_RFRAME_DEL_WFD_IE 0
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u8 *ies = rframe->u.hdr.rx_data + sizeof(struct rtw_ieee80211_hdr_3addr) + ies_offset;
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uint ies_len_ori = rframe->u.hdr.len - (ies - rframe->u.hdr.rx_data);
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uint ies_len;
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ies_len = rtw_del_wfd_ie(ies, ies_len_ori, DBG_RFRAME_DEL_WFD_IE ? __func__ : NULL);
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rframe->u.hdr.len -= ies_len_ori - ies_len;
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return ies_len_ori != ies_len;
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}
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#if 0
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sint _rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue)
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{
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_adapter *padapter = precvframe->u.hdr.adapter;
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struct recv_priv *precvpriv = &padapter->recvpriv;
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/* _rtw_init_listhead(&(precvframe->u.hdr.list)); */
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rtw_list_delete(&(precvframe->u.hdr.list));
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rtw_list_insert_tail(&(precvframe->u.hdr.list), get_list_head(queue));
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if (padapter != NULL) {
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if (queue == &precvpriv->free_recv_queue)
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precvpriv->free_recvframe_cnt++;
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}
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return _SUCCESS;
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}
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sint rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue)
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{
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sint ret;
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/* _spinlock(&pfree_recv_queue->lock); */
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_rtw_spinlock_bh(&queue->lock);
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ret = _rtw_enqueue_recvframe(precvframe, queue);
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/* _rtw_spinunlock(&pfree_recv_queue->lock); */
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_rtw_spinunlock_bh(&queue->lock);
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return ret;
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}
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#endif
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/*
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caller : defrag ; recvframe_chk_defrag in recv_thread (passive)
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pframequeue: defrag_queue : will be accessed in recv_thread (passive)
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using spinlock to protect
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*/
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void rtw_free_recvframe_queue(_queue *pframequeue, u8 need_lock)
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{
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union recv_frame *precvframe;
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_list *plist, *phead;
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if (need_lock)
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_rtw_spinlock_bh(&pframequeue->lock);
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phead = get_list_head(pframequeue);
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plist = get_next(phead);
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while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
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precvframe = LIST_CONTAINOR(plist, union recv_frame, u);
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plist = get_next(plist);
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/* rtw_list_delete(&precvframe->u.hdr.list); */ /* will do this in rtw_free_recvframe() */
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rtw_free_recvframe(precvframe);
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}
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if (need_lock)
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_rtw_spinunlock_bh(&pframequeue->lock);
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|
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}
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#if 0
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u32 rtw_free_uc_swdec_pending_queue(struct dvobj_priv *dvobj)
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{
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u32 cnt = 0;
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union recv_frame *pending_frame;
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while ((pending_frame = rtw_alloc_recvframe(&dvobj->recvpriv.uc_swdec_pending_queue))) {
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rtw_free_recvframe(pending_frame);
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cnt++;
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}
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if (cnt)
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RTW_INFO("dequeue %d\n", cnt);
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return cnt;
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}
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#endif
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sint recvframe_chkmic(_adapter *adapter, union recv_frame *precvframe)
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{
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sint i, res = _SUCCESS;
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u32 datalen;
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u8 miccode[8];
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u8 bmic_err = _FALSE, brpt_micerror = _TRUE;
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u8 *pframe, *payload, *pframemic;
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u8 *mickey;
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/* u8 *iv,rxdata_key_idx=0; */
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struct _ADAPTER_LINK *adapter_link;
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struct link_security_priv *lsecuritypriv;
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struct sta_info *stainfo;
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struct rx_pkt_attrib *prxattrib = &precvframe->u.hdr.attrib;
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struct security_priv *psecuritypriv = &adapter->securitypriv;
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struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
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struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
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stainfo = precvframe->u.hdr.psta;
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if (prxattrib->encrypt == _TKIP_) {
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/* calculate mic code */
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if (stainfo != NULL) {
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adapter_link = stainfo->padapter_link;
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lsecuritypriv = &adapter_link->securitypriv;
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if (IS_MCAST(prxattrib->ra)) {
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/* mickey=&psecuritypriv->dot118021XGrprxmickey.skey[0]; */
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/* iv = precvframe->u.hdr.rx_data+prxattrib->hdrlen; */
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/* rxdata_key_idx =( ((iv[3])>>6)&0x3) ; */
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mickey = &lsecuritypriv->dot118021XGrprxmickey[prxattrib->key_index].skey[0];
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/* RTW_INFO("\n recvframe_chkmic: bcmc key psecuritypriv->dot118021XGrpKeyid(%d),pmlmeinfo->key_index(%d) ,recv key_id(%d)\n", */
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/* psecuritypriv->dot118021XGrpKeyid,pmlmeinfo->key_index,rxdata_key_idx); */
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if (lsecuritypriv->binstallGrpkey == _FALSE)
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{
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res = _FAIL;
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RTW_INFO("\n recvframe_chkmic:didn't install group key!!!!!!!!!!\n");
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goto exit;
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}
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} else {
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mickey = &stainfo->dot11tkiprxmickey.skey[0];
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}
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datalen = precvframe->u.hdr.len - prxattrib->hdrlen - prxattrib->iv_len - prxattrib->icv_len - 8; /* icv_len included the mic code */
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pframe = precvframe->u.hdr.rx_data;
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payload = pframe + prxattrib->hdrlen + prxattrib->iv_len;
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/* rtw_seccalctkipmic(&stainfo->dot11tkiprxmickey.skey[0],pframe,payload, datalen ,&miccode[0],(unsigned char)prxattrib->priority); */ /* care the length of the data */
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rtw_seccalctkipmic(mickey, pframe, payload, datalen , &miccode[0], (unsigned char)prxattrib->priority); /* care the length of the data */
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pframemic = payload + datalen;
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bmic_err = _FALSE;
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for (i = 0; i < 8; i++) {
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if (miccode[i] != *(pframemic + i)) {
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bmic_err = _TRUE;
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}
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}
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if (bmic_err == _TRUE) {
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|
|
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/* double check key_index for some timing issue , */
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/* cannot compare with psecuritypriv->dot118021XGrpKeyid also cause timing issue */
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if ((IS_MCAST(prxattrib->ra) == _TRUE) && (prxattrib->key_index != pmlmeinfo->key_index))
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brpt_micerror = _FALSE;
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if ((prxattrib->bdecrypted == _TRUE) && (brpt_micerror == _TRUE)) {
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rtw_handle_tkip_mic_err(adapter, stainfo, (u8)IS_MCAST(prxattrib->ra));
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RTW_INFO(" mic error :prxattrib->bdecrypted=%d\n", prxattrib->bdecrypted);
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} else {
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RTW_INFO(" mic error :prxattrib->bdecrypted=%d\n", prxattrib->bdecrypted);
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}
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res = _FAIL;
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} else {
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/* mic checked ok */
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if ((lsecuritypriv->bcheck_grpkey == _FALSE) && (IS_MCAST(prxattrib->ra) == _TRUE))
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{
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lsecuritypriv->bcheck_grpkey = _TRUE;
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}
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}
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}
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recvframe_pull_tail(precvframe, 8);
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}
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exit:
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|
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return res;
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}
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/*#define DBG_RX_SW_DECRYPTOR*/
|
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/* decrypt and set the ivlen,icvlen of the recv_frame */
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union recv_frame *decryptor(_adapter *padapter, union recv_frame *precv_frame)
|
{
|
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struct rx_pkt_attrib *prxattrib = &precv_frame->u.hdr.attrib;
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struct security_priv *psecuritypriv = &padapter->securitypriv;
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union recv_frame *return_packet = precv_frame;
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struct sta_info *psta = precv_frame->u.hdr.psta;
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u32 res = _SUCCESS;
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struct _ADAPTER_LINK *padapter_link = precv_frame->u.hdr.adapter_link;
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struct link_security_priv *lsecuritypriv = &padapter_link->securitypriv;
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|
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt);
|
|
|
if (prxattrib->encrypt > 0) {
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u8 *iv = precv_frame->u.hdr.rx_data + prxattrib->hdrlen;
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prxattrib->key_index = (((iv[3]) >> 6) & 0x3) ;
|
|
if (prxattrib->key_index > WEP_KEYS) {
|
RTW_INFO("prxattrib->key_index(%d) > WEP_KEYS\n", prxattrib->key_index);
|
|
switch (prxattrib->encrypt) {
|
case _WEP40_:
|
case _WEP104_:
|
prxattrib->key_index = psecuritypriv->dot11PrivacyKeyIndex;
|
break;
|
case _TKIP_:
|
case _AES_:
|
case _GCMP_:
|
case _GCMP_256_:
|
case _CCMP_256_:
|
default:
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prxattrib->key_index = lsecuritypriv->dot118021XGrpKeyid;
|
break;
|
}
|
}
|
}
|
|
if (prxattrib->encrypt && !prxattrib->bdecrypted) {
|
if (GetFrameType(get_recvframe_data(precv_frame)) == WIFI_DATA
|
#ifdef CONFIG_CONCURRENT_MODE
|
&& !IS_MCAST(prxattrib->ra) /* bc/mc packets may use sw decryption for concurrent mode */
|
#endif
|
) {
|
if (IS_MCAST(prxattrib->ra))
|
psecuritypriv->hw_decrypted = _FALSE;
|
else
|
psta->hw_decrypted = _FALSE;
|
}
|
|
#ifdef DBG_RX_SW_DECRYPTOR
|
RTW_INFO(ADPT_FMT" - sec_type:%s DO SW decryption\n",
|
ADPT_ARG(padapter), security_type_str(prxattrib->encrypt));
|
#endif
|
|
#ifdef DBG_RX_DECRYPTOR
|
RTW_INFO("[%s] %d: PKT decrypted(%d), PKT encrypt(%d), Set %pM hw_decrypted(%d)\n",
|
__FUNCTION__,
|
__LINE__,
|
prxattrib->bdecrypted,
|
prxattrib->encrypt,
|
psta->phl_sta->mac_addr,
|
psta->hw_decrypted);
|
#endif
|
|
switch (prxattrib->encrypt) {
|
case _WEP40_:
|
case _WEP104_:
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_wep);
|
rtw_wep_decrypt(padapter, (u8 *)precv_frame);
|
break;
|
case _TKIP_:
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_tkip);
|
res = rtw_tkip_decrypt(padapter, (u8 *)precv_frame);
|
break;
|
case _AES_:
|
case _CCMP_256_:
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_aes);
|
res = rtw_aes_decrypt(padapter, (u8 *)precv_frame);
|
break;
|
case _GCMP_:
|
case _GCMP_256_:
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_gcmp);
|
res = rtw_gcmp_decrypt(padapter, (u8 *)precv_frame);
|
break;
|
#ifdef CONFIG_WAPI_SUPPORT
|
case _SMS4_:
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_wapi);
|
rtw_sms4_decrypt(padapter, (u8 *)precv_frame);
|
break;
|
#endif
|
default:
|
break;
|
}
|
} else if (prxattrib->bdecrypted == 1
|
&& prxattrib->encrypt > 0
|
&& (psecuritypriv->busetkipkey == 1 || prxattrib->encrypt != _TKIP_)
|
) {
|
#if 0
|
if ((prxstat->icv == 1) && (prxattrib->encrypt != _AES_)) {
|
psecuritypriv->hw_decrypted = _FALSE;
|
|
|
rtw_free_recvframe(precv_frame);
|
|
return_packet = NULL;
|
|
} else
|
#endif
|
{
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_hw);
|
|
psecuritypriv->hw_decrypted = _TRUE;
|
psta->hw_decrypted = _TRUE;
|
#ifdef DBG_RX_DECRYPTOR
|
RTW_INFO("[%s] %d: PKT decrypted(%d), PKT encrypt(%d), Set %pM hw_decrypted(%d)\n",
|
__FUNCTION__,
|
__LINE__,
|
prxattrib->bdecrypted,
|
prxattrib->encrypt,
|
psta->phl_sta->mac_addr,
|
psta->hw_decrypted);
|
#endif
|
}
|
} else {
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_unknown);
|
#ifdef DBG_RX_DECRYPTOR
|
RTW_INFO("[%s] %d: PKT decrypted(%d), PKT encrypt(%d), Set %pM hw_decrypted(%d)\n",
|
__FUNCTION__,
|
__LINE__,
|
prxattrib->bdecrypted,
|
prxattrib->encrypt,
|
psta->phl_sta->mac_addr,
|
psta->hw_decrypted);
|
#endif
|
}
|
|
#ifdef CONFIG_RTW_MESH
|
if (res != _FAIL
|
&& !prxattrib->amsdu
|
&& prxattrib->mesh_ctrl_present)
|
res = rtw_mesh_rx_validate_mctrl_non_amsdu(padapter, precv_frame);
|
#endif
|
|
if (res == _FAIL) {
|
/* Let rtw_core_rx_process or rtw_mi_buddy_clone_bcmc_packet */
|
/* to handle it.*/
|
/* rtw_free_recvframe(return_packet); */
|
return_packet = NULL;
|
} else
|
prxattrib->bdecrypted = _TRUE;
|
/* recvframe_chkmic(adapter, precv_frame); */ /* move to recvframme_defrag function */
|
|
|
return return_packet;
|
|
}
|
|
/* ###set the security information in the recv_frame */
|
union recv_frame *portctrl(_adapter *adapter, union recv_frame *precv_frame)
|
{
|
u8 *psta_addr = NULL;
|
u8 *ptr;
|
uint auth_alg;
|
struct recv_frame_hdr *pfhdr;
|
struct sta_info *psta;
|
struct sta_priv *pstapriv ;
|
union recv_frame *prtnframe;
|
u16 ether_type = 0;
|
u16 eapol_type = 0x888e;/* for Funia BD's WPA issue */
|
struct rx_pkt_attrib *pattrib;
|
|
|
pstapriv = &adapter->stapriv;
|
|
auth_alg = adapter->securitypriv.dot11AuthAlgrthm;
|
|
ptr = get_recvframe_data(precv_frame);
|
pfhdr = &precv_frame->u.hdr;
|
pattrib = &pfhdr->attrib;
|
psta_addr = pattrib->ta;
|
|
prtnframe = NULL;
|
|
psta = precv_frame->u.hdr.psta;
|
|
|
if (auth_alg == dot11AuthAlgrthm_8021X) {
|
if ((psta != NULL) && (psta->ieee8021x_blocked)) {
|
/* blocked */
|
/* only accept EAPOL frame */
|
|
prtnframe = precv_frame;
|
|
/* get ether_type */
|
ptr = ptr + pfhdr->attrib.hdrlen + pfhdr->attrib.iv_len + LLC_HEADER_SIZE;
|
_rtw_memcpy(ðer_type, ptr, 2);
|
ether_type = ntohs((unsigned short)ether_type);
|
|
if (ether_type == eapol_type)
|
prtnframe = precv_frame;
|
else {
|
/* Let rtw_core_rx_process to handle it */
|
/* rtw_free_recvframe(precv_frame); */
|
prtnframe = NULL;
|
}
|
} else {
|
/* allowed */
|
/* check decryption status, and decrypt the frame if needed */
|
|
|
prtnframe = precv_frame;
|
/* check is the EAPOL frame or not (Rekey) */
|
/* if(ether_type == eapol_type){ */
|
/* check Rekey */
|
|
/* prtnframe=precv_frame; */
|
/* } */
|
}
|
} else
|
prtnframe = precv_frame;
|
|
|
return prtnframe;
|
|
}
|
|
/* VALID_PN_CHK
|
* Return true when PN is legal, otherwise false.
|
* Legal PN:
|
* 1. If old PN is 0, any PN is legal
|
* 2. PN > old PN
|
*/
|
#define PN_LESS_CHK(a, b) (((a-b) & 0x800000000000) != 0)
|
#define VALID_PN_CHK(new, old) (((old) == 0) || PN_LESS_CHK(old, new))
|
|
sint recv_ucast_pn_decache(union recv_frame *precv_frame)
|
{
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct sta_info *sta = precv_frame->u.hdr.psta;
|
struct stainfo_rxcache *prxcache = &sta->sta_recvpriv.rxcache;
|
u8 *pdata = precv_frame->u.hdr.rx_data;
|
sint tid = precv_frame->u.hdr.attrib.priority;
|
u64 curr_pn = 0, pkt_pn = 0;
|
u8 pn[8] = {0};
|
|
if (tid > 15)
|
return _FAIL;
|
|
if (pattrib->encrypt == _TKIP_ || pattrib->encrypt == _AES_ ||
|
pattrib->encrypt == _GCMP_ || pattrib->encrypt == _CCMP_256_ ||
|
pattrib->encrypt == _GCMP_256_) {
|
rtw_iv_to_pn((pdata + pattrib->hdrlen), pn, NULL, pattrib->encrypt);
|
pkt_pn = RTW_GET_LE64(pn);
|
|
rtw_iv_to_pn(prxcache->iv[tid], pn, NULL, pattrib->encrypt);
|
curr_pn = RTW_GET_LE64(pn);
|
|
if (!VALID_PN_CHK(pkt_pn, curr_pn)) {
|
/* return _FAIL; */
|
} else {
|
prxcache->last_tid = tid;
|
_rtw_memcpy(prxcache->iv[tid],
|
(pdata + pattrib->hdrlen),
|
sizeof(prxcache->iv[tid]));
|
}
|
}
|
|
return _SUCCESS;
|
}
|
|
sint recv_bcast_pn_decache(union recv_frame *precv_frame)
|
{
|
_adapter *padapter = precv_frame->u.hdr.adapter;
|
struct _ADAPTER_LINK *adapter_link = precv_frame->u.hdr.adapter_link;
|
struct link_security_priv *lsecuritypriv = &adapter_link->securitypriv;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
u8 *pdata = precv_frame->u.hdr.rx_data;
|
u64 curr_pn = 0, pkt_pn = 0;
|
u8 pn[8] = {0};
|
u8 key_id;
|
|
if ((pattrib->encrypt == _TKIP_ || pattrib->encrypt == _AES_ ||
|
pattrib->encrypt == _GCMP_ || pattrib->encrypt == _CCMP_256_ ||
|
pattrib->encrypt == _GCMP_256_) &&
|
(MLME_IS_STA(padapter))) {
|
rtw_iv_to_pn((pdata + pattrib->hdrlen), pn, &key_id,
|
pattrib->encrypt);
|
pkt_pn = RTW_GET_LE64(pn);
|
curr_pn = le64_to_cpu(*(u64*)lsecuritypriv->iv_seq[key_id]);
|
|
if (!VALID_PN_CHK(pkt_pn, curr_pn))
|
return _FAIL;
|
|
*(u64*)lsecuritypriv->iv_seq[key_id] = cpu_to_le64(pkt_pn);
|
}
|
|
return _SUCCESS;
|
}
|
|
sint recv_decache(union recv_frame *precv_frame)
|
{
|
struct sta_info *psta = precv_frame->u.hdr.psta;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
_adapter *adapter = psta->padapter;
|
sint tid = pattrib->priority;
|
u16 seq_ctrl = ((precv_frame->u.hdr.attrib.seq_num & 0xffff) << 4) |
|
(precv_frame->u.hdr.attrib.frag_num & 0xf);
|
u16 *prxseq;
|
|
if (tid > 15)
|
return _FAIL;
|
|
if (pattrib->qos) {
|
if (IS_MCAST(pattrib->ra))
|
prxseq = &psta->sta_recvpriv.bmc_tid_rxseq[tid];
|
else
|
prxseq = &psta->sta_recvpriv.rxcache.tid_rxseq[tid];
|
} else {
|
if (IS_MCAST(pattrib->ra)) {
|
prxseq = &psta->sta_recvpriv.nonqos_bmc_rxseq;
|
#ifdef DBG_RX_SEQ
|
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" nonqos bmc seq_num:%d\n"
|
, FUNC_ADPT_ARG(adapter), pattrib->seq_num);
|
#endif
|
|
} else {
|
prxseq = &psta->sta_recvpriv.nonqos_rxseq;
|
#ifdef DBG_RX_SEQ
|
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" nonqos seq_num:%d\n"
|
, FUNC_ADPT_ARG(adapter), pattrib->seq_num);
|
#endif
|
}
|
}
|
|
if (seq_ctrl == *prxseq) {
|
/* for non-AMPDU case */
|
psta->sta_stats.duplicate_cnt++;
|
|
if (psta->sta_stats.duplicate_cnt % 100 == 0)
|
RTW_INFO("%s: tid=%u seq=%d frag=%d\n", __func__
|
, tid, precv_frame->u.hdr.attrib.seq_num
|
, precv_frame->u.hdr.attrib.frag_num);
|
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recv_decache _FAIL for sta="MAC_FMT"\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->phl_sta->mac_addr));
|
#endif
|
return _FAIL;
|
}
|
*prxseq = seq_ctrl;
|
|
return _SUCCESS;
|
}
|
|
void process_pwrbit_data(_adapter *padapter, union recv_frame *precv_frame, struct sta_info *psta)
|
{
|
#ifdef CONFIG_AP_MODE
|
unsigned char pwrbit;
|
u8 *ptr = precv_frame->u.hdr.rx_data;
|
|
pwrbit = GetPwrMgt(ptr);
|
|
if (pwrbit) {
|
if (!(psta->state & WIFI_SLEEP_STATE)) {
|
/* psta->state |= WIFI_SLEEP_STATE; */
|
/* rtw_tim_map_set(padapter, pstapriv->sta_dz_bitmap, BIT(psta->phl_sta->aid)); */
|
|
stop_sta_xmit(padapter, psta);
|
/* RTW_INFO_DUMP("to sleep, sta_dz_bitmap=", pstapriv->sta_dz_bitmap, pstapriv->aid_bmp_len); */
|
}
|
} else {
|
if (psta->state & WIFI_SLEEP_STATE) {
|
/* psta->state ^= WIFI_SLEEP_STATE; */
|
/* rtw_tim_map_clear(padapter, pstapriv->sta_dz_bitmap, BIT(psta->phl_sta->aid)); */
|
|
wakeup_sta_to_xmit(padapter, psta);
|
/* RTW_INFO_DUMP("to wakeup, sta_dz_bitmap=", pstapriv->sta_dz_bitmap, pstapriv->aid_bmp_len); */
|
}
|
}
|
#endif
|
}
|
|
void process_wmmps_data(_adapter *padapter, union recv_frame *precv_frame, struct sta_info *psta)
|
{
|
#ifdef CONFIG_AP_MODE
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
|
#ifdef CONFIG_TDLS
|
if (!(psta->tdls_sta_state & TDLS_LINKED_STATE)) {
|
#endif /* CONFIG_TDLS */
|
|
if (!psta->qos_option)
|
return;
|
|
if (!(psta->qos_info & 0xf))
|
return;
|
|
#ifdef CONFIG_TDLS
|
}
|
#endif /* CONFIG_TDLS */
|
|
if (psta->state & WIFI_SLEEP_STATE) {
|
u8 wmmps_ac = 0;
|
|
switch (pattrib->priority) {
|
case 1:
|
case 2:
|
wmmps_ac = psta->uapsd_bk & BIT(1);
|
break;
|
case 4:
|
case 5:
|
wmmps_ac = psta->uapsd_vi & BIT(1);
|
break;
|
case 6:
|
case 7:
|
wmmps_ac = psta->uapsd_vo & BIT(1);
|
break;
|
case 0:
|
case 3:
|
default:
|
wmmps_ac = psta->uapsd_be & BIT(1);
|
break;
|
}
|
|
if (wmmps_ac) {
|
if (psta->sleepq_ac_len > 0) {
|
/* process received triggered frame */
|
xmit_delivery_enabled_frames(padapter, psta);
|
} else {
|
/* issue one qos null frame with More data bit = 0 and the EOSP bit set (=1) */
|
issue_qos_nulldata(padapter, precv_frame->u.hdr.adapter_link,
|
psta->phl_sta->mac_addr, (u16)pattrib->priority, 0, 0, 0, _FALSE);
|
}
|
}
|
|
}
|
|
|
#endif
|
|
}
|
|
#ifdef CONFIG_TDLS
|
sint OnTDLS(_adapter *adapter, union recv_frame *precv_frame)
|
{
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
sint ret = _SUCCESS;
|
u8 *paction = get_recvframe_data(precv_frame);
|
u8 category_field = 1;
|
#ifdef CONFIG_WFD
|
u8 WFA_OUI[3] = { 0x50, 0x6f, 0x9a };
|
#endif /* CONFIG_WFD */
|
struct tdls_info *ptdlsinfo = &(adapter->tdlsinfo);
|
u8 *ptr = precv_frame->u.hdr.rx_data;
|
struct sta_priv *pstapriv = &(adapter->stapriv);
|
struct sta_info *ptdls_sta = NULL;
|
|
/* point to action field */
|
paction += pattrib->hdrlen
|
+ pattrib->iv_len
|
+ SNAP_SIZE
|
+ ETH_TYPE_LEN
|
+ PAYLOAD_TYPE_LEN
|
+ category_field;
|
|
RTW_INFO("[TDLS] Recv %s from "MAC_FMT" with SeqNum = %d\n", rtw_tdls_action_txt(*paction), MAC_ARG(pattrib->src), GetSequence(get_recvframe_data(precv_frame)));
|
|
if (rtw_hw_chk_wl_func(adapter_to_dvobj(adapter), WL_FUNC_TDLS) == _FALSE) {
|
RTW_INFO("Ignore tdls frame since hal doesn't support tdls\n");
|
ret = _FAIL;
|
return ret;
|
}
|
|
if (rtw_is_tdls_enabled(adapter) == _FALSE) {
|
RTW_INFO("recv tdls frame, "
|
"but tdls haven't enabled\n");
|
ret = _FAIL;
|
return ret;
|
}
|
|
ptdls_sta = rtw_get_stainfo(pstapriv, get_sa(ptr));
|
if (ptdls_sta == NULL) {
|
switch (*paction) {
|
case TDLS_SETUP_REQUEST:
|
case TDLS_DISCOVERY_REQUEST:
|
break;
|
default:
|
RTW_INFO("[TDLS] %s - Direct Link Peer = "MAC_FMT" not found for action = %d\n", __func__, MAC_ARG(get_sa(ptr)), *paction);
|
ret = _FAIL;
|
goto exit;
|
}
|
}
|
|
switch (*paction) {
|
case TDLS_SETUP_REQUEST:
|
ret = On_TDLS_Setup_Req(adapter, precv_frame, ptdls_sta);
|
break;
|
case TDLS_SETUP_RESPONSE:
|
ret = On_TDLS_Setup_Rsp(adapter, precv_frame, ptdls_sta);
|
break;
|
case TDLS_SETUP_CONFIRM:
|
ret = On_TDLS_Setup_Cfm(adapter, precv_frame, ptdls_sta);
|
break;
|
case TDLS_TEARDOWN:
|
ret = On_TDLS_Teardown(adapter, precv_frame, ptdls_sta);
|
break;
|
case TDLS_DISCOVERY_REQUEST:
|
ret = On_TDLS_Dis_Req(adapter, precv_frame);
|
break;
|
case TDLS_PEER_TRAFFIC_INDICATION:
|
ret = On_TDLS_Peer_Traffic_Indication(adapter, precv_frame, ptdls_sta);
|
break;
|
case TDLS_PEER_TRAFFIC_RESPONSE:
|
ret = On_TDLS_Peer_Traffic_Rsp(adapter, precv_frame, ptdls_sta);
|
break;
|
#ifdef CONFIG_TDLS_CH_SW
|
case TDLS_CHANNEL_SWITCH_REQUEST:
|
ret = On_TDLS_Ch_Switch_Req(adapter, precv_frame, ptdls_sta);
|
break;
|
case TDLS_CHANNEL_SWITCH_RESPONSE:
|
ret = On_TDLS_Ch_Switch_Rsp(adapter, precv_frame, ptdls_sta);
|
break;
|
#endif
|
#ifdef CONFIG_WFD
|
/* First byte of WFA OUI */
|
case 0x50:
|
if (_rtw_memcmp(WFA_OUI, paction, 3)) {
|
/* Probe request frame */
|
if (*(paction + 3) == 0x04) {
|
/* WFDTDLS: for sigma test, do not setup direct link automatically */
|
ptdlsinfo->dev_discovered = _TRUE;
|
RTW_INFO("recv tunneled probe request frame\n");
|
issue_tunneled_probe_rsp(adapter, precv_frame);
|
}
|
/* Probe response frame */
|
if (*(paction + 3) == 0x05) {
|
/* WFDTDLS: for sigma test, do not setup direct link automatically */
|
ptdlsinfo->dev_discovered = _TRUE;
|
RTW_INFO("recv tunneled probe response frame\n");
|
}
|
}
|
break;
|
#endif /* CONFIG_WFD */
|
default:
|
RTW_INFO("receive TDLS frame %d but not support\n", *paction);
|
ret = _FAIL;
|
break;
|
}
|
|
exit:
|
return ret;
|
|
}
|
|
sint rtw_tdls_rx_data_validate_hdr(
|
_adapter *adapter,
|
union recv_frame *precv_frame,
|
struct sta_info **psta
|
)
|
{
|
u8 *ptr = precv_frame->u.hdr.rx_data;
|
sint ret = _SUCCESS;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct sta_priv *pstapriv = &adapter->stapriv;
|
struct _ADAPTER_LINK *adapter_link = precv_frame->u.hdr.adapter_link;
|
struct link_mlme_priv *pmlmepriv = &adapter_link->mlmepriv;
|
u8 *mybssid = get_link_bssid(pmlmepriv);
|
u8 *myhwaddr = adapter_link->mac_addr;
|
u8 *sta_addr = pattrib->ta;
|
sint bmcast = IS_MCAST(pattrib->dst);
|
struct tdls_info *ptdlsinfo = &adapter->tdlsinfo;
|
#ifdef CONFIG_TDLS_CH_SW
|
struct tdls_ch_switch *pchsw_info = &ptdlsinfo->chsw_info;
|
#endif
|
struct sta_info *ptdls_sta = NULL;
|
u8 *psnap_type = ptr + pattrib->hdrlen + pattrib->iv_len + SNAP_SIZE;
|
/* frame body located after [+2]: ether-type, [+1]: payload type */
|
u8 *pframe_body = psnap_type + 2 + 1;
|
*psta = ptdls_sta = rtw_get_stainfo(pstapriv, pattrib->ta);
|
if (ptdls_sta == NULL) {
|
ret = _FAIL;
|
goto exit;
|
} else if (ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE) {
|
/* filter packets that SA is myself or multicast or broadcast */
|
if (_rtw_memcmp(myhwaddr, pattrib->src, ETH_ALEN)) {
|
ret = _FAIL;
|
goto exit;
|
}
|
/* da should be for me */
|
if ((!_rtw_memcmp(myhwaddr, pattrib->dst, ETH_ALEN)) && (!bmcast)) {
|
ret = _FAIL;
|
goto exit;
|
}
|
/* check BSSID */
|
if (_rtw_memcmp(pattrib->bssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
|
_rtw_memcmp(mybssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
|
(!_rtw_memcmp(pattrib->bssid, mybssid, ETH_ALEN))) {
|
ret = _FAIL;
|
goto exit;
|
}
|
|
#ifdef CONFIG_TDLS_CH_SW
|
if (ATOMIC_READ(&pchsw_info->chsw_on) == _TRUE) {
|
if (adapter_link->mlmeextpriv.chandef.chan != rtw_get_oper_ch(adapter, adapter_link)) {
|
pchsw_info->ch_sw_state |= TDLS_PEER_AT_OFF_STATE;
|
if (!(pchsw_info->ch_sw_state & TDLS_CH_SW_INITIATOR_STATE))
|
_cancel_timer_ex(&ptdls_sta->ch_sw_timer);
|
/* On_TDLS_Peer_Traffic_Rsp(adapter, precv_frame); */
|
}
|
}
|
#endif
|
|
/* process UAPSD tdls sta */
|
process_pwrbit_data(adapter, precv_frame, ptdls_sta);
|
|
/* if NULL-frame, check pwrbit */
|
if ((get_frame_sub_type(ptr) & WIFI_DATA_NULL) == WIFI_DATA_NULL) {
|
/* NULL-frame with pwrbit=1, buffer_STA should buffer frames for sleep_STA */
|
if (GetPwrMgt(ptr)) {
|
/* it would be triggered when we are off channel and receiving NULL DATA */
|
/* we can confirm that peer STA is at off channel */
|
RTW_INFO("TDLS: recv peer null frame with pwr bit 1\n");
|
/* ptdls_sta->tdls_sta_state|=TDLS_PEER_SLEEP_STATE; */
|
}
|
/* TODO: Updated BSSID's seq. */
|
/* RTW_INFO("drop Null Data\n"); */
|
ptdls_sta->tdls_sta_state &= ~(TDLS_WAIT_PTR_STATE);
|
ret = _FAIL;
|
goto exit;
|
}
|
|
#if 0
|
/* receive some of all TDLS management frames, process it at ON_TDLS */
|
if (_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_TDLS, 2)) {
|
ret = OnTDLS(adapter, precv_frame);
|
goto exit;
|
}
|
#endif
|
|
if ((get_frame_sub_type(ptr) & WIFI_QOS_DATA_TYPE) == WIFI_QOS_DATA_TYPE)
|
process_wmmps_data(adapter, precv_frame, ptdls_sta);
|
|
ptdls_sta->tdls_sta_state &= ~(TDLS_WAIT_PTR_STATE);
|
|
}
|
|
exit:
|
return ret;
|
}
|
#endif /* CONFIG_TDLS */
|
|
#ifdef PRIVATE_R
|
#define RTW_RATE_SS_MASK (BIT(4) | BIT(5) | BIT(6))
|
#define RTW_RATE_SS_SHIFT 4
|
#define RTW_GET_SS(_rtw_data_rate) (u8) ((_rtw_data_rate & RTW_RATE_SS_MASK) >> RTW_RATE_SS_SHIFT)
|
|
u8 rtw_get_idx_by_rx_rate(u16 data_rate)
|
{
|
u8 idx = 0;
|
u8 ss = 0;
|
|
switch (RTW_GET_RATE_MODE(data_rate)) {
|
case RTW_LEGACY_MODE: /* 0x0 ~ 0xB */
|
idx = data_rate & 0Xf;
|
break;
|
case RTW_HT_MODE: /* 0xC ~ 0x2B */
|
idx = (data_rate & 0x1f) + 0xc;
|
break;
|
case RTW_VHT_MODE: /* 0x2C ~ 0x53 (MCS0 ~ MCS9 => 10) */
|
ss = RTW_GET_SS(data_rate);
|
idx = (data_rate & 0xf) + (ss * 10) + 0x2c;
|
break;
|
case RTW_HE_MODE: /* 0x54 ~ 0x83 (MCS0 ~ MCS11 => 12) */
|
ss = RTW_GET_SS(data_rate);
|
idx = (data_rate & 0xf) + (ss * 12) + 0x54;
|
}
|
|
return idx;
|
}
|
#endif /* PRIVATE_R */
|
|
void count_rx_stats(_adapter *padapter, union recv_frame *prframe, struct sta_info *sta)
|
{
|
int sz;
|
struct sta_info *psta = NULL;
|
struct stainfo_stats *pstats = NULL;
|
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
|
struct recv_info *precvinfo = &padapter->recvinfo;
|
#ifdef PRIVATE_R
|
struct sta_priv *pstapriv_primary = &(GET_PRIMARY_ADAPTER(padapter))->stapriv;
|
#endif
|
|
#ifdef PRIVATE_R
|
u8 idx = 0;
|
|
idx = rtw_get_idx_by_rx_rate(pattrib->data_rate);
|
|
if ((pattrib->priority == 6 || pattrib->priority == 7) && (idx < 132)) {
|
precvinfo->rx_vo_pkt_count_per_data_rate[idx]++;
|
}
|
#endif
|
|
sz = get_recvframe_len(prframe);
|
precvinfo->rx_bytes += sz;
|
|
padapter->mlmepriv.LinkDetectInfo.NumRxOkInPeriod++;
|
|
if ((!MacAddr_isBcst(pattrib->dst)) && (!IS_MCAST(pattrib->dst)))
|
padapter->mlmepriv.LinkDetectInfo.NumRxUnicastOkInPeriod++;
|
|
if (sta)
|
psta = sta;
|
else
|
psta = prframe->u.hdr.psta;
|
|
if (psta) {
|
u8 is_ra_bmc = IS_MCAST(pattrib->ra);
|
|
pstats = &psta->sta_stats;
|
|
pstats->last_rx_time = rtw_get_current_time();
|
pstats->rx_data_pkts++;
|
pstats->rx_bytes += sz;
|
if (is_broadcast_mac_addr(pattrib->ra)) {
|
pstats->rx_data_bc_pkts++;
|
pstats->rx_bc_bytes += sz;
|
} else if (is_ra_bmc) {
|
pstats->rx_data_mc_pkts++;
|
pstats->rx_mc_bytes += sz;
|
}
|
|
if (!is_ra_bmc) {
|
/*pstats->rxratecnt[pattrib->data_rate]++;*/ /* FIXME overflow */
|
/*record rx packets for every tid*/
|
pstats->rx_data_qos_pkts[pattrib->priority]++;
|
}
|
#ifdef ROKU_PRIVATE
|
/* Record unicast data packets infomation */
|
if (!is_broadcast_mac_addr(pattrib->ra) && !is_ra_bmc) {
|
u16 rate_val;
|
rate_val = rtw_desc_rate_to_bitrate(psta->phl_sta->chandef.bw, psta->init_rate,
|
psta->phl_sta->chandef.bw ? psta->htpriv.sgi_40m : psta->htpriv.sgi_20m);
|
_rtw_spinlock_bh(&pstapriv_primary->last_rx_uc_data_lock);
|
precvinfo->last_rx_uc_data++;
|
precvinfo->last_rx_uc_data_rate_avg += rate_val;
|
_rtw_spinunlock_bh(&pstapriv_primary->last_rx_uc_data_lock);
|
}
|
#endif
|
}
|
}
|
|
sint sta2sta_data_frame(
|
_adapter *adapter,
|
union recv_frame *precv_frame,
|
struct sta_info **psta
|
)
|
{
|
u8 *ptr = precv_frame->u.hdr.rx_data;
|
sint ret = _SUCCESS;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct sta_priv *pstapriv = &adapter->stapriv;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
u8 *mybssid = get_bssid(pmlmepriv);
|
u8 *myhwaddr = adapter_mac_addr(adapter);
|
u8 *sta_addr = pattrib->ta;
|
sint bmcast = IS_MCAST(pattrib->dst);
|
|
/* RTW_INFO("[%s] %d, seqnum:%d\n", __FUNCTION__, __LINE__, pattrib->seq_num); */
|
|
if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) ||
|
(check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE)) {
|
|
/* filter packets that SA is myself or multicast or broadcast */
|
if (rtw_match_self_addr(adapter, pattrib->src))
|
{
|
ret = _FAIL;
|
goto exit;
|
}
|
|
if ((!rtw_match_self_addr(adapter, pattrib->dst)) && (!bmcast))
|
{
|
ret = _FAIL;
|
goto exit;
|
}
|
|
if (_rtw_memcmp(pattrib->bssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) ||
|
rtw_match_bssid(adapter, "\x0\x0\x0\x0\x0\x0") ||
|
(!rtw_match_bssid(adapter, pattrib->bssid)))
|
{
|
ret = _FAIL;
|
goto exit;
|
}
|
|
} else if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE) {
|
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->src, get_addr2_ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
|
_rtw_memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
|
|
sta_addr = mybssid;
|
} else
|
ret = _FAIL;
|
|
*psta = precv_frame->u.hdr.psta;
|
if (*psta == NULL) {
|
#ifdef CONFIG_MP_INCLUDED
|
if (adapter->registrypriv.mp_mode == 1) {
|
if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE)
|
adapter->mppriv.rx_pktloss++;
|
}
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
|
exit:
|
return ret;
|
|
}
|
|
sint ap2sta_data_frame(
|
_adapter *adapter,
|
union recv_frame *precv_frame,
|
struct sta_info **psta)
|
{
|
u8 *ptr = precv_frame->u.hdr.rx_data;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
sint ret = _SUCCESS;
|
struct sta_priv *pstapriv = &adapter->stapriv;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
u8 *myhwaddr = adapter_mac_addr(adapter);
|
sint bmcast = IS_MCAST(pattrib->dst);
|
|
if ((check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE) &&
|
(check_fwstate(pmlmepriv, WIFI_ASOC_STATE) == _TRUE)) {
|
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->src, get_addr2_ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
|
_rtw_memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
|
|
|
*psta = precv_frame->u.hdr.psta; /* get sta_info */
|
if (*psta == NULL) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" can't get psta under WIFI_MP_STATE ; drop pkt\n"
|
, FUNC_ADPT_ARG(adapter));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
|
} else {
|
if (rtw_match_self_addr(adapter, pattrib->dst) && (!bmcast))
|
{
|
*psta = precv_frame->u.hdr.psta;
|
if (*psta == NULL) {
|
|
/* for AP multicast issue , modify by yiwei */
|
static systime send_issue_deauth_time = 0;
|
|
/* RTW_INFO("After send deauth , %u ms has elapsed.\n", rtw_get_passing_time_ms(send_issue_deauth_time)); */
|
|
if (rtw_get_passing_time_ms(send_issue_deauth_time) > 10000 || send_issue_deauth_time == 0) {
|
send_issue_deauth_time = rtw_get_current_time();
|
|
RTW_INFO("issue_deauth to the ap=" MAC_FMT " for the reason(7)\n", MAC_ARG(pattrib->bssid));
|
|
issue_deauth(adapter, pattrib->bssid, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
|
}
|
}
|
}
|
|
ret = _FAIL;
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" fw_state:0x%x\n"
|
, FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
|
#endif
|
}
|
|
exit:
|
return ret;
|
|
}
|
|
sint sta2ap_data_frame(
|
_adapter *adapter,
|
union recv_frame *precv_frame,
|
struct sta_info **psta)
|
{
|
u8 *ptr = precv_frame->u.hdr.rx_data;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct sta_priv *pstapriv = &adapter->stapriv;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
sint ret = _SUCCESS;
|
|
if ((check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE) &&
|
(check_fwstate(pmlmepriv, WIFI_ASOC_STATE) == _TRUE)) {
|
/* RTW_INFO("%s ,in WIFI_MP_STATE\n",__func__); */
|
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->src, get_addr2_ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
|
_rtw_memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
|
|
|
*psta = precv_frame->u.hdr.psta; /* get sta_info */
|
if (*psta == NULL) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" can't get psta under WIFI_MP_STATE ; drop pkt\n"
|
, FUNC_ADPT_ARG(adapter));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
|
} else {
|
u8 *myhwaddr = adapter_mac_addr(adapter);
|
if (!rtw_match_self_addr(adapter, pattrib->ra))
|
{
|
ret = RTW_RX_HANDLED;
|
goto exit;
|
}
|
#ifndef CONFIG_CUSTOMER_ALIBABA_GENERAL
|
RTW_INFO("issue_deauth to sta=" MAC_FMT " for the reason(7)\n", MAC_ARG(pattrib->src));
|
issue_deauth(adapter, pattrib->src, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
|
#endif
|
ret = RTW_RX_HANDLED;
|
goto exit;
|
}
|
|
exit:
|
|
|
return ret;
|
|
}
|
|
int rtw_sta_rx_data_validate_hdr(_adapter *adapter, union recv_frame *rframe, struct sta_info **sta)
|
{
|
struct sta_priv *stapriv = &adapter->stapriv;
|
u8 *myhwaddr = adapter_mac_addr(adapter);
|
struct rx_pkt_attrib *rattrib = &rframe->u.hdr.attrib;
|
u8 *whdr = get_recvframe_data(rframe);
|
u8 is_ra_bmc = IS_MCAST(GetAddr1Ptr(whdr)) ? 1 : 0;
|
sint ret = _FAIL;
|
|
if (rattrib->to_fr_ds == 0) {
|
_rtw_memcpy(rattrib->ra, GetAddr1Ptr(whdr), ETH_ALEN);
|
_rtw_memcpy(rattrib->ta, get_addr2_ptr(whdr), ETH_ALEN);
|
_rtw_memcpy(rattrib->dst, GetAddr1Ptr(whdr), ETH_ALEN);
|
_rtw_memcpy(rattrib->src, get_addr2_ptr(whdr), ETH_ALEN);
|
_rtw_memcpy(rattrib->bssid, GetAddr3Ptr(whdr), ETH_ALEN);
|
|
#ifdef CONFIG_TDLS
|
if (adapter->tdlsinfo.link_established == _TRUE)
|
ret = rtw_tdls_rx_data_validate_hdr(adapter, rframe, sta);
|
else
|
#endif
|
{
|
/* For Station mode, sa and bssid should always be BSSID, and DA is my mac-address */
|
if (!_rtw_memcmp(rattrib->bssid, rattrib->src, ETH_ALEN))
|
goto exit;
|
|
if (rattrib->addr_cam_vld)
|
*sta = rtw_get_stainfo_by_macid(stapriv, rattrib->macid);
|
else
|
*sta = rtw_get_stainfo(stapriv, get_addr2_ptr(whdr));
|
if (*sta)
|
ret = _SUCCESS;
|
}
|
goto exit;
|
}
|
|
if (!(MLME_STATE(adapter) & (WIFI_ASOC_STATE | WIFI_UNDER_LINKING))) {
|
if (!is_ra_bmc) {
|
/* for AP multicast issue , modify by yiwei */
|
static systime send_issue_deauth_time = 0;
|
|
/* RTW_INFO("After send deauth , %u ms has elapsed.\n", rtw_get_passing_time_ms(send_issue_deauth_time)); */
|
if (rtw_get_passing_time_ms(send_issue_deauth_time) > 10000 || send_issue_deauth_time == 0) {
|
send_issue_deauth_time = rtw_get_current_time();
|
RTW_INFO(FUNC_ADPT_FMT" issue_deauth to "MAC_FMT" with reason(7), mlme_state:0x%x\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(get_addr2_ptr(whdr)), MLME_STATE(adapter));
|
issue_deauth(adapter, get_addr2_ptr(whdr), WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
|
}
|
}
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" fw_state:0x%x\n"
|
, FUNC_ADPT_ARG(adapter), MLME_STATE(adapter));
|
#endif
|
goto exit;
|
}
|
|
_rtw_memcpy(rattrib->ra, GetAddr1Ptr(whdr), ETH_ALEN);
|
_rtw_memcpy(rattrib->ta, get_addr2_ptr(whdr), ETH_ALEN);
|
|
switch (rattrib->to_fr_ds) {
|
case 1:
|
_rtw_memcpy(rattrib->dst, GetAddr1Ptr(whdr), ETH_ALEN);
|
_rtw_memcpy(rattrib->src, GetAddr3Ptr(whdr), ETH_ALEN); /* may change after checking AMSDU subframe header */
|
_rtw_memcpy(rattrib->bssid, get_addr2_ptr(whdr), ETH_ALEN);
|
break;
|
case 3:
|
_rtw_memcpy(rattrib->dst, GetAddr3Ptr(whdr), ETH_ALEN); /* may change after checking AMSDU subframe header */
|
_rtw_memcpy(rattrib->src, GetAddr4Ptr(whdr), ETH_ALEN); /* may change after checking AMSDU subframe header */
|
_rtw_memcpy(rattrib->bssid, get_addr2_ptr(whdr), ETH_ALEN);
|
break;
|
default:
|
ret = RTW_RX_HANDLED; /* don't count for drop */
|
goto exit;
|
}
|
|
/* filter packets that SA is myself */
|
if (!rattrib->amsdu && rtw_match_self_addr(adapter, rattrib->src))
|
{
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" SA="MAC_FMT", myhwaddr="MAC_FMT"\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(rattrib->src), MAC_ARG(myhwaddr));
|
#endif
|
goto exit;
|
}
|
|
if (rattrib->addr_cam_vld)
|
*sta = rtw_get_stainfo_by_macid(stapriv, rattrib->macid);
|
else
|
*sta = rtw_get_stainfo(stapriv, rattrib->ta);
|
if (*sta == NULL) {
|
#ifndef CONFIG_CUSTOMER_ALIBABA_GENERAL
|
if (!is_ra_bmc && !IS_RADAR_DETECTED(adapter_to_rfctl(adapter))) {
|
RTW_INFO(FUNC_ADPT_FMT" issue_deauth to "MAC_FMT" with reason(7), unknown TA\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(rattrib->ta));
|
issue_deauth(adapter, rattrib->ta, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
|
}
|
#endif
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" can't get psta under STATION_MODE ; drop pkt\n"
|
, FUNC_ADPT_ARG(adapter));
|
#endif
|
goto exit;
|
}
|
|
#ifdef CONFIG_RTW_WDS_AUTO_EN
|
if (rattrib->to_fr_ds == 3 && !(sta->flags & WLAN_STA_WDS))
|
sta->flags |= WLAN_STA_WDS;
|
#endif
|
|
/*if ((get_frame_sub_type(whdr) & WIFI_QOS_DATA_TYPE) == WIFI_QOS_DATA_TYPE) {
|
}
|
*/
|
|
if (get_frame_sub_type(whdr) & BIT(6)) {
|
/* No data, will not indicate to upper layer, temporily count it here */
|
count_rx_stats(adapter, rframe, *sta);
|
ret = RTW_RX_HANDLED;
|
goto exit;
|
}
|
|
#ifdef CONFIG_RTW_WDS
|
if (adapter_use_wds(adapter)
|
&& !rattrib->amsdu && IS_MCAST(rattrib->dst)
|
&& rtw_rx_wds_gptr_check(adapter, rattrib->src)
|
) {
|
/* will not indicate to upper layer, temporily count it here */
|
count_rx_stats(adapter, rframe, *sta);
|
ret = RTW_RX_HANDLED;
|
goto exit;
|
}
|
#endif
|
|
ret = _SUCCESS;
|
|
exit:
|
return ret;
|
}
|
|
int rtw_sta_rx_amsdu_act_check(union recv_frame *rframe
|
, const u8 *da, const u8 *sa)
|
{
|
int act = RTW_RX_MSDU_ACT_INDICATE;
|
|
#ifdef CONFIG_RTW_WDS
|
_adapter *adapter = rframe->u.hdr.adapter;
|
|
if (adapter_use_wds(adapter)
|
&& IS_MCAST(da)
|
&& rtw_rx_wds_gptr_check(adapter, sa)
|
) {
|
act = 0;
|
}
|
#endif
|
|
return act;
|
}
|
|
#ifdef CONFIG_AP_MODE
|
sint rtw_proccess_pspoll(_adapter *adapter, union recv_frame *precv_frame, struct sta_info *psta)
|
{
|
u8 *pframe = precv_frame->u.hdr.rx_data;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct sta_priv *pstapriv = &adapter->stapriv;
|
u16 aid;
|
u8 wmmps_ac = 0;
|
|
aid = GetAid(pframe);
|
if (psta->phl_sta->aid != aid)
|
return _FAIL;
|
|
switch (pattrib->priority) {
|
case 1:
|
case 2:
|
wmmps_ac = psta->uapsd_bk & BIT(0);
|
break;
|
case 4:
|
case 5:
|
wmmps_ac = psta->uapsd_vi & BIT(0);
|
break;
|
case 6:
|
case 7:
|
wmmps_ac = psta->uapsd_vo & BIT(0);
|
break;
|
case 0:
|
case 3:
|
default:
|
wmmps_ac = psta->uapsd_be & BIT(0);
|
break;
|
}
|
|
if (wmmps_ac)
|
return _FAIL;
|
|
if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
|
RTW_INFO("%s alive check-rx ps-poll\n", __func__);
|
psta->expire_to = pstapriv->expire_to;
|
psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
|
}
|
|
if ((psta->state & WIFI_SLEEP_STATE) && (rtw_tim_map_is_set(adapter, pstapriv->sta_dz_bitmap, psta->phl_sta->aid))) {
|
_list *xmitframe_plist, *xmitframe_phead;
|
struct xmit_frame *pxmitframe = NULL;
|
struct xmit_priv *pxmitpriv = &adapter->xmitpriv;
|
/* _rtw_spinlock_bh(&psta->sleep_q.lock); */
|
_rtw_spinlock_bh(&pxmitpriv->lock);
|
|
xmitframe_phead = get_list_head(&psta->sleep_q);
|
xmitframe_plist = get_next(xmitframe_phead);
|
|
if ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == _FALSE) {
|
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
|
|
xmitframe_plist = get_next(xmitframe_plist);
|
rtw_list_delete(&pxmitframe->list);
|
|
psta->sleepq_len--;
|
|
if (psta->sleepq_len > 0)
|
pxmitframe->attrib.mdata = 1;
|
else
|
pxmitframe->attrib.mdata = 0;
|
|
pxmitframe->attrib.triggered = 1;
|
|
/* RTW_INFO("handling ps-poll, q_len=%d\n", psta->sleepq_len); */
|
/* RTW_INFO_DUMP("handling, tim=", pstapriv->tim_bitmap, pstapriv->aid_bmp_len); */
|
#if 0
|
_rtw_spinunlock_bh(&psta->sleep_q.lock);
|
if (rtw_hal_xmit(padapter, pxmitframe) == _TRUE)
|
rtw_os_xmit_complete(padapter, pxmitframe);
|
_rtw_spinlock_bh(&psta->sleep_q.lock);
|
#endif
|
rtw_intf_xmitframe_enqueue(adapter, pxmitframe);
|
|
if (psta->sleepq_len == 0) {
|
rtw_tim_map_clear(adapter, pstapriv->tim_bitmap, psta->phl_sta->aid);
|
/* RTW_INFO("after handling ps-poll\n"); */
|
/* RTW_INFO_DUMP("after handling, tim=", pstapriv->tim_bitmap, pstapriv->aid_bmp_len); */
|
|
/* upate BCN for TIM IE */
|
/* update_BCNTIM(padapter); */
|
rtw_update_beacon(adapter, psta->padapter_link,
|
_TIM_IE_, NULL, _TRUE, 0);
|
}
|
/* _rtw_spinunlock_bh(&psta->sleep_q.lock); */
|
_rtw_spinunlock_bh(&pxmitpriv->lock);
|
} else {
|
/* _rtw_spinunlock_bh(&psta->sleep_q.lock); */
|
_rtw_spinunlock_bh(&pxmitpriv->lock);
|
/* RTW_INFO("no buffered packets to xmit\n"); */
|
if (rtw_tim_map_is_set(adapter, pstapriv->tim_bitmap, psta->phl_sta->aid)) {
|
if (psta->sleepq_len == 0) {
|
RTW_INFO("no buffered packets to xmit\n");
|
/* issue nulldata with More data bit = 0 to indicate we have no buffered packets */
|
issue_nulldata(adapter, psta->padapter_link,
|
psta->phl_sta->mac_addr, 0, 0, 0);
|
} else {
|
RTW_INFO("error!psta->sleepq_len=%d\n", psta->sleepq_len);
|
psta->sleepq_len = 0;
|
}
|
rtw_tim_map_clear(adapter, pstapriv->tim_bitmap, psta->phl_sta->aid);
|
|
/* upate BCN for TIM IE */
|
/* update_BCNTIM(padapter); */
|
rtw_update_beacon(adapter, psta->padapter_link,
|
_TIM_IE_, NULL, _TRUE, 0);
|
}
|
}
|
}
|
return _SUCCESS;
|
}
|
#endif /*CONFIG_AP_MODE*/
|
sint validate_recv_ctrl_frame(_adapter *padapter, union recv_frame *precv_frame)
|
{
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct sta_priv *pstapriv = &padapter->stapriv;
|
u8 *pframe = precv_frame->u.hdr.rx_data;
|
struct sta_info *psta = NULL;
|
u8 subtype = 0;
|
bool ra_is_self = _FALSE;
|
bool ra_is_bc = _FALSE;
|
|
/* uint len = precv_frame->u.hdr.len; */
|
|
/* RTW_INFO("+validate_recv_ctrl_frame\n"); */
|
|
if (GetFrameType(pframe) != WIFI_CTRL_TYPE)
|
return _FAIL;
|
|
subtype = get_frame_sub_type(pframe);
|
/* receive the frames that ra(a1) is my address */
|
ra_is_self = rtw_match_self_addr(padapter, GetAddr1Ptr(pframe));
|
ra_is_bc = is_broadcast_mac_addr(GetAddr1Ptr(pframe));
|
|
/*only keep to self or BC(trigger frame)*/
|
if(ra_is_self == _FALSE) {
|
if(ra_is_bc == _TRUE) {
|
if(subtype != WIFI_TRIGGER)
|
return _FAIL;
|
} else {
|
return _FAIL;
|
}
|
}
|
|
if (pattrib->addr_cam_vld)
|
psta = rtw_get_stainfo_by_macid(pstapriv, pattrib->macid);
|
else
|
psta = rtw_get_stainfo(pstapriv, get_addr2_ptr(pframe));
|
if (psta == NULL)
|
return _FAIL;
|
|
precv_frame->u.hdr.psta = psta;
|
|
/* for rx pkt statistics */
|
psta->sta_stats.last_rx_time = rtw_get_current_time();
|
psta->sta_stats.rx_ctrl_pkts++;
|
|
switch (subtype) {
|
#ifdef CONFIG_AP_MODE
|
case WIFI_PSPOLL :
|
{
|
sint rst;
|
/*only ra(a1) is my address*/
|
rst = rtw_proccess_pspoll(padapter, precv_frame, psta);
|
/*RTW_INFO(FUNC_ADPT_FMT" pspoll handle %d\n", FUNC_ADPT_ARG(padapter), rst);*/
|
}
|
break;
|
#endif
|
case WIFI_BAR :
|
/*only ra(a1) is my address*/
|
rtw_process_bar_frame(padapter, precv_frame);
|
break;
|
case WIFI_TRIGGER :
|
#ifdef CONFIG_80211AX_HE
|
rtw_process_he_triggerframe(padapter, precv_frame);
|
#endif
|
break;
|
default :
|
break;
|
}
|
return _FAIL;
|
|
}
|
|
#if defined(CONFIG_IEEE80211W) || defined(CONFIG_RTW_MESH)
|
static sint validate_mgmt_protect(_adapter *adapter, union recv_frame *precv_frame)
|
{
|
#define DBG_VALIDATE_MGMT_PROTECT 0
|
#define DBG_VALIDATE_MGMT_DEC 0
|
|
struct security_priv *sec = &adapter->securitypriv;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct sta_info *psta = precv_frame->u.hdr.psta;
|
u8 *ptr;
|
u8 type;
|
u8 subtype;
|
u8 is_bmc;
|
u8 category = 0xFF;
|
struct _ADAPTER_LINK *adapter_link = precv_frame->u.hdr.adapter_link;
|
struct link_security_priv *lsec = &adapter_link->securitypriv;
|
|
#ifdef CONFIG_IEEE80211W
|
const u8 *igtk;
|
u16 igtk_id;
|
u64* ipn;
|
enum security_type bip_cipher;
|
#endif
|
|
u8 *mgmt_DATA;
|
u32 data_len = 0;
|
|
sint ret;
|
|
#ifdef CONFIG_RTW_MESH
|
if (MLME_IS_MESH(adapter)) {
|
if (!adapter->mesh_info.mesh_auth_id)
|
return pattrib->privacy ? _FAIL : _SUCCESS;
|
} else
|
#endif
|
if (SEC_IS_BIP_KEY_INSTALLED(lsec) == _FALSE)
|
return _SUCCESS;
|
|
ptr = precv_frame->u.hdr.rx_data;
|
type = GetFrameType(ptr);
|
subtype = get_frame_sub_type(ptr); /* bit(7)~bit(2) */
|
is_bmc = IS_MCAST(GetAddr1Ptr(ptr));
|
|
#if DBG_VALIDATE_MGMT_PROTECT
|
if (subtype == WIFI_DEAUTH) {
|
RTW_INFO(FUNC_ADPT_FMT" bmc:%u, deauth, privacy:%u, encrypt:%u, bdecrypted:%u\n"
|
, FUNC_ADPT_ARG(adapter)
|
, is_bmc, pattrib->privacy, pattrib->encrypt, pattrib->bdecrypted);
|
} else if (subtype == WIFI_DISASSOC) {
|
RTW_INFO(FUNC_ADPT_FMT" bmc:%u, disassoc, privacy:%u, encrypt:%u, bdecrypted:%u\n"
|
, FUNC_ADPT_ARG(adapter)
|
, is_bmc, pattrib->privacy, pattrib->encrypt, pattrib->bdecrypted);
|
} if (subtype == WIFI_ACTION) {
|
if (pattrib->privacy) {
|
RTW_INFO(FUNC_ADPT_FMT" bmc:%u, action(?), privacy:%u, encrypt:%u, bdecrypted:%u\n"
|
, FUNC_ADPT_ARG(adapter)
|
, is_bmc, pattrib->privacy, pattrib->encrypt, pattrib->bdecrypted);
|
} else {
|
RTW_INFO(FUNC_ADPT_FMT" bmc:%u, action(%u), privacy:%u, encrypt:%u, bdecrypted:%u\n"
|
, FUNC_ADPT_ARG(adapter), is_bmc
|
, *(ptr + sizeof(struct rtw_ieee80211_hdr_3addr))
|
, pattrib->privacy, pattrib->encrypt, pattrib->bdecrypted);
|
}
|
}
|
#endif
|
|
if (!pattrib->privacy) {
|
if (!psta || !(psta->flags & WLAN_STA_MFP)) {
|
/* peer is not MFP capable, no need to check */
|
goto exit;
|
}
|
|
if (subtype == WIFI_ACTION)
|
category = *(ptr + sizeof(struct rtw_ieee80211_hdr_3addr));
|
|
if (is_bmc) {
|
/* broadcast cases */
|
if (subtype == WIFI_ACTION) {
|
if (CATEGORY_IS_GROUP_PRIVACY(category)) {
|
/* drop broadcast group privacy action frame without encryption */
|
#if DBG_VALIDATE_MGMT_PROTECT
|
RTW_INFO(FUNC_ADPT_FMT" broadcast gp action(%u) w/o encrypt\n"
|
, FUNC_ADPT_ARG(adapter), category);
|
#endif
|
goto fail;
|
}
|
if (CATEGORY_IS_ROBUST(category)) {
|
/* broadcast robust action frame need BIP check */
|
goto bip_verify;
|
}
|
}
|
if (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC) {
|
/* broadcast deauth or disassoc frame need BIP check */
|
goto bip_verify;
|
}
|
goto exit;
|
|
} else {
|
/* unicast cases */
|
#ifdef CONFIG_IEEE80211W
|
if (subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC) {
|
if (!MLME_IS_MESH(adapter)
|
#ifdef CONFIG_RTW_WNM
|
&& (rtw_wnm_try_btm_roam_imnt(adapter) > 0)
|
#endif
|
) {
|
unsigned short reason = le16_to_cpu(*(unsigned short *)(ptr + WLAN_HDR_A3_LEN));
|
|
#if DBG_VALIDATE_MGMT_PROTECT
|
RTW_INFO(FUNC_ADPT_FMT" unicast %s, reason=%d w/o encrypt\n"
|
, FUNC_ADPT_ARG(adapter), subtype == WIFI_DEAUTH ? "deauth" : "disassoc", reason);
|
#endif
|
if (reason == 6 || reason == 7) {
|
/* issue sa query request */
|
issue_action_SA_Query(adapter, psta->padapter_link,
|
psta->phl_sta->mac_addr, 0, 0, IEEE80211W_RIGHT_KEY);
|
}
|
}
|
goto fail;
|
}
|
#endif
|
|
if (subtype == WIFI_ACTION && CATEGORY_IS_ROBUST(category)) {
|
if (psta->bpairwise_key_installed == _TRUE) {
|
#if DBG_VALIDATE_MGMT_PROTECT
|
RTW_INFO(FUNC_ADPT_FMT" unicast robust action(%d) w/o encrypt\n"
|
, FUNC_ADPT_ARG(adapter), category);
|
#endif
|
goto fail;
|
}
|
}
|
goto exit;
|
}
|
|
bip_verify:
|
#ifdef CONFIG_IEEE80211W
|
#ifdef CONFIG_RTW_MESH
|
if (MLME_IS_MESH(adapter)) {
|
if (psta->igtk_bmp) {
|
bip_cipher = psta->dot11wCipher;
|
igtk = psta->igtk.skey;
|
igtk_id = psta->igtk_id;
|
ipn = &psta->igtk_pn.val;
|
} else {
|
/* mesh MFP without IGTK */
|
goto exit;
|
}
|
} else
|
#endif
|
{
|
bip_cipher = sec->dot11wCipher;
|
igtk = lsec->dot11wBIPKey[lsec->dot11wBIPKeyid].skey;
|
igtk_id = lsec->dot11wBIPKeyid;
|
ipn = &lsec->dot11wBIPrxpn.val;
|
}
|
|
/* verify BIP MME IE */
|
ret = rtw_bip_verify(bip_cipher, pattrib->pkt_len,
|
get_recvframe_data(precv_frame),
|
get_recvframe_len(precv_frame),
|
igtk, igtk_id, ipn, (u8 *)precv_frame);
|
|
if (ret == _FAIL) {
|
/* RTW_INFO("802.11w BIP verify fail\n"); */
|
goto fail;
|
|
} else if (ret == RTW_RX_HANDLED) {
|
#if DBG_VALIDATE_MGMT_PROTECT
|
RTW_INFO(FUNC_ADPT_FMT" none protected packet\n", FUNC_ADPT_ARG(adapter));
|
#endif
|
goto fail;
|
}
|
#endif /* CONFIG_IEEE80211W */
|
goto exit;
|
}
|
|
if (!psta || !(psta->flags & WLAN_STA_MFP)) {
|
/* not peer or peer is not MFP capable, drop it */
|
goto fail;
|
}
|
|
/* cases to decrypt mgmt frame */
|
#if 0
|
pattrib->bdecrypted = 0;
|
#endif
|
#ifdef CONFIG_RTW_MESH
|
if (is_bmc)
|
pattrib->encrypt = psta->group_privacy;
|
else
|
#endif
|
pattrib->encrypt = psta->dot118021XPrivacy;
|
pattrib->hdrlen = sizeof(struct rtw_ieee80211_hdr_3addr);
|
|
/* set iv and icv length */
|
SET_ICE_IV_LEN(pattrib->iv_len, pattrib->icv_len, pattrib->encrypt);
|
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->ta, get_addr2_ptr(ptr), ETH_ALEN);
|
|
/* actual management data frame body */
|
data_len = pattrib->pkt_len - pattrib->hdrlen - pattrib->iv_len - pattrib->icv_len;
|
mgmt_DATA = rtw_zmalloc(data_len);
|
if (mgmt_DATA == NULL) {
|
RTW_INFO(FUNC_ADPT_FMT" mgmt allocate fail !!!!!!!!!\n", FUNC_ADPT_ARG(adapter));
|
goto fail;
|
}
|
|
#if DBG_VALIDATE_MGMT_DEC
|
/* dump the packet content before decrypt */
|
{
|
int pp;
|
|
printk("pattrib->pktlen = %d =>", pattrib->pkt_len);
|
for (pp = 0; pp < pattrib->pkt_len; pp++)
|
printk(" %02x ", ptr[pp]);
|
printk("\n");
|
}
|
#endif
|
|
precv_frame = decryptor(adapter, precv_frame);
|
/* save actual management data frame body */
|
_rtw_memcpy(mgmt_DATA, ptr + pattrib->hdrlen + pattrib->iv_len, data_len);
|
/* overwrite the iv field */
|
_rtw_memcpy(ptr + pattrib->hdrlen, mgmt_DATA, data_len);
|
/* remove the iv and icv length */
|
pattrib->pkt_len = pattrib->pkt_len - pattrib->iv_len - pattrib->icv_len;
|
rtw_mfree(mgmt_DATA, data_len);
|
|
#if DBG_VALIDATE_MGMT_DEC
|
/* print packet content after decryption */
|
{
|
int pp;
|
|
printk("after decryption pattrib->pktlen = %d @@=>", pattrib->pkt_len);
|
for (pp = 0; pp < pattrib->pkt_len; pp++)
|
printk(" %02x ", ptr[pp]);
|
printk("\n");
|
}
|
#endif
|
|
if (!precv_frame) {
|
#if DBG_VALIDATE_MGMT_PROTECT
|
RTW_INFO(FUNC_ADPT_FMT" mgmt descrypt fail !!!!!!!!!\n", FUNC_ADPT_ARG(adapter));
|
#endif
|
goto fail;
|
}
|
|
exit:
|
return _SUCCESS;
|
|
fail:
|
return _FAIL;
|
|
}
|
#endif /* defined(CONFIG_IEEE80211W) || defined(CONFIG_RTW_MESH) */
|
|
s32 recvframe_chk_defrag(_adapter *padapter, union recv_frame **pprecv_frame);
|
|
sint validate_recv_mgnt_frame(_adapter *padapter, union recv_frame **pprecv_frame)
|
{
|
union recv_frame *precv_frame = *pprecv_frame;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct sta_info *psta;
|
if (pattrib->addr_cam_vld)
|
psta = rtw_get_stainfo_by_macid(&padapter->stapriv, pattrib->macid);
|
else
|
psta = rtw_get_stainfo(&padapter->stapriv, get_addr2_ptr(precv_frame->u.hdr.rx_data));
|
|
precv_frame->u.hdr.psta = psta;
|
|
#if defined(CONFIG_IEEE80211W) || defined(CONFIG_RTW_MESH)
|
if (validate_mgmt_protect(padapter, precv_frame) == _FAIL) {
|
DBG_COUNTER(padapter->rx_logs.core_rx_pre_mgmt_err_80211w);
|
goto exit;
|
}
|
#endif
|
|
if (recvframe_chk_defrag(padapter, pprecv_frame) != CORE_RX_CONTINUE)
|
return _SUCCESS;
|
precv_frame = *pprecv_frame;
|
|
/* for rx pkt statistics */
|
if (psta) {
|
psta->sta_stats.last_rx_time = rtw_get_current_time();
|
psta->sta_stats.rx_mgnt_pkts++;
|
if (get_frame_sub_type(precv_frame->u.hdr.rx_data) == WIFI_BEACON)
|
psta->sta_stats.rx_beacon_pkts++;
|
else if (get_frame_sub_type(precv_frame->u.hdr.rx_data) == WIFI_PROBEREQ)
|
psta->sta_stats.rx_probereq_pkts++;
|
else if (get_frame_sub_type(precv_frame->u.hdr.rx_data) == WIFI_PROBERSP) {
|
if (rtw_match_self_addr(padapter, GetAddr1Ptr(precv_frame->u.hdr.rx_data)) == _TRUE)
|
psta->sta_stats.rx_probersp_pkts++;
|
else if (is_broadcast_mac_addr(GetAddr1Ptr(precv_frame->u.hdr.rx_data))
|
|| is_multicast_mac_addr(GetAddr1Ptr(precv_frame->u.hdr.rx_data)))
|
psta->sta_stats.rx_probersp_bm_pkts++;
|
else
|
psta->sta_stats.rx_probersp_uo_pkts++;
|
}
|
}
|
|
mgt_dispatcher(padapter, precv_frame);
|
|
#if defined(CONFIG_IEEE80211W) || defined(CONFIG_RTW_MESH)
|
exit:
|
#endif
|
return _SUCCESS;
|
|
}
|
|
sint validate_recv_data_frame(_adapter *adapter, union recv_frame *precv_frame)
|
{
|
u8 bretry, a4_shift;
|
struct sta_info *psta = NULL;
|
u8 *ptr = precv_frame->u.hdr.rx_data;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct security_priv *psecuritypriv = &adapter->securitypriv;
|
struct recv_info *precvinfo = &adapter->recvinfo;
|
sint ret = _SUCCESS;
|
#ifdef PRIVATE_R
|
struct stainfo_stats *pstats = NULL;
|
#endif
|
|
bretry = GetRetry(ptr);
|
a4_shift = (pattrib->to_fr_ds == 3) ? ETH_ALEN : 0;
|
|
/* some address fields are different when using AMSDU */
|
if (pattrib->qos)
|
pattrib->amsdu = GetAMsdu(ptr + WLAN_HDR_A3_LEN + a4_shift);
|
else
|
pattrib->amsdu = 0;
|
|
#ifdef CONFIG_RTW_MESH
|
if (MLME_IS_MESH(adapter)) {
|
ret = rtw_mesh_rx_data_validate_hdr(adapter, precv_frame, &psta);
|
goto pre_validate_status_chk;
|
} else
|
#endif
|
#ifdef CONFIG_AP_MODE
|
if (MLME_IS_AP(adapter)) {
|
ret = rtw_ap_rx_data_validate_hdr(adapter, precv_frame, &psta);
|
goto pre_validate_status_chk;
|
} else
|
#endif
|
if (MLME_IS_STA(adapter)) {
|
ret = rtw_sta_rx_data_validate_hdr(adapter, precv_frame, &psta);
|
goto pre_validate_status_chk;
|
}
|
|
switch (pattrib->to_fr_ds) {
|
case 0:
|
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->ta, get_addr2_ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->src, get_addr2_ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
|
ret = sta2sta_data_frame(adapter, precv_frame, &psta);
|
break;
|
|
case 1:
|
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->ta, get_addr2_ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->src, GetAddr3Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->bssid, get_addr2_ptr(ptr), ETH_ALEN);
|
ret = ap2sta_data_frame(adapter, precv_frame, &psta);
|
break;
|
|
case 2:
|
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->ta, get_addr2_ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->dst, GetAddr3Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->src, get_addr2_ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->bssid, GetAddr1Ptr(ptr), ETH_ALEN);
|
ret = sta2ap_data_frame(adapter, precv_frame, &psta);
|
break;
|
|
case 3:
|
default:
|
/* WDS is not supported */
|
ret = _FAIL;
|
break;
|
}
|
|
pre_validate_status_chk:
|
|
#ifdef PRIVATE_R
|
if(psta!=NULL && bretry){
|
pstats = &psta->sta_stats;
|
ATOMIC_ADD((ATOMIC_T *)&pstats->rx_retry_cnt, 1);
|
}
|
#endif
|
|
if (ret == _FAIL) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" case:%d, res:%d, ra="MAC_FMT", ta="MAC_FMT"\n"
|
, FUNC_ADPT_ARG(adapter), pattrib->to_fr_ds, ret, MAC_ARG(GetAddr1Ptr(ptr)), MAC_ARG(get_addr2_ptr(ptr)));
|
#endif
|
goto exit;
|
} else if (ret == RTW_RX_HANDLED)
|
goto exit;
|
|
|
if (psta == NULL) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" psta == NULL, ra="MAC_FMT", ta="MAC_FMT"\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(GetAddr1Ptr(ptr)), MAC_ARG(get_addr2_ptr(ptr)));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
|
if ((psta->flags & WLAN_STA_AMSDU_DISABLE) && pattrib->amsdu) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" amsdu not allowed"MAC_FMT"\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->cmn.mac_addr));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
|
}
|
|
precv_frame->u.hdr.psta = psta;
|
#ifdef CONFIG_RECV_REORDERING_CTRL
|
precv_frame->u.hdr.preorder_ctrl = NULL;
|
#endif
|
pattrib->ack_policy = 0;
|
|
/* parsing QC field */
|
if (pattrib->qos == 1) {
|
pattrib->priority = GetPriority((ptr + WLAN_HDR_A3_LEN + a4_shift)); /* point to Qos field*/
|
pattrib->ack_policy = GetAckpolicy((ptr + WLAN_HDR_A3_LEN + a4_shift));
|
pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN + a4_shift;
|
} else {
|
pattrib->priority = 0;
|
pattrib->hdrlen = WLAN_HDR_A3_LEN + a4_shift;
|
}
|
|
if (pattrib->order) /* HT-CTRL 11n */
|
pattrib->hdrlen += 4;
|
|
/* decache, drop duplicate recv packets */
|
ret = recv_decache(precv_frame);
|
if (ret == _FAIL)
|
goto exit;
|
|
#ifdef PRIVATE_R
|
if (bretry && (pattrib->priority == 6 || pattrib->priority == 7))
|
precvinfo->rx_vo_pkt_retry_count++;
|
#endif
|
if (!IS_MCAST(pattrib->ra)) {
|
#ifdef CONFIG_RECV_REORDERING_CTRL
|
if (pattrib->qos)
|
precv_frame->u.hdr.preorder_ctrl = &psta->recvreorder_ctrl[pattrib->priority];
|
#endif
|
if (recv_ucast_pn_decache(precv_frame) == _FAIL) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recv_ucast_pn_decache return _FAIL for sta="MAC_FMT"\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->phl_sta->mac_addr));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
} else {
|
if (recv_bcast_pn_decache(precv_frame) == _FAIL) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recv_bcast_pn_decache return _FAIL for sta="MAC_FMT"\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->phl_sta->mac_addr));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
}
|
|
if (pattrib->privacy) {
|
#ifdef CONFIG_TDLS
|
if ((psta->tdls_sta_state & TDLS_LINKED_STATE) && (psta->dot118021XPrivacy == _AES_))
|
pattrib->encrypt = psta->dot118021XPrivacy;
|
else
|
#endif /* CONFIG_TDLS */
|
GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, IS_MCAST(pattrib->ra));
|
|
|
SET_ICE_IV_LEN(pattrib->iv_len, pattrib->icv_len, pattrib->encrypt);
|
} else {
|
pattrib->encrypt = 0;
|
pattrib->iv_len = pattrib->icv_len = 0;
|
}
|
|
/* drop unprotected frame in protected network. */
|
if (psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_ ) {
|
if (IS_MCAST(pattrib->ra)) {
|
if (!pattrib->privacy) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT"recv plaintext bmc packet for sta="MAC_FMT"\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->cmn.mac_addr));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
} else {
|
/* unicast */
|
u16 ether_type;
|
u8* ether_ptr = NULL;
|
u16 eapol_type = 0x888e;
|
ether_ptr = ptr + pattrib->hdrlen + pattrib->iv_len + RATTRIB_GET_MCTRL_LEN(pattrib) + LLC_HEADER_SIZE;
|
_rtw_memcpy(ðer_type, ether_ptr, 2);
|
ether_type = ntohs((unsigned short)ether_type);
|
|
if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
|
/* CVE-2020-26140, CVE-2020-26143, CVE-2020-26147, let eapol packet go through*/
|
if (!pattrib->privacy && ether_type != eapol_type ) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT"recv plaintext unicast packet for sta="MAC_FMT"\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->cmn.mac_addr));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
/* CVE-2020-26144, pevernt plaintext A-MSDU */
|
/* This can prevent plantext A-MSDU cloacked as an EAPOL frame */
|
if (!pattrib->privacy && pattrib->amsdu) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT"recv plaintext A-MSDU for sta="MAC_FMT"\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->cmn.mac_addr));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
/* CVE-2020-26139, Drop any forwarding eapol packet until 4-way has done. */
|
if ((ether_type == eapol_type)
|
&& (MLME_IS_AP(adapter) || MLME_IS_MESH(adapter))
|
&& (psta->dot118021XPrivacy == _NO_PRIVACY_)
|
&& (!rtw_match_self_addr(adapter, pattrib->dst))
|
) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recv eapol packet forwarding(dst:"MAC_FMT") before 4-way finish.\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(pattrib->dst));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
} else {
|
/* CVE-2020-26140, CVE-2020-26143, CVE-2020-26147 */
|
if (!pattrib->privacy) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT"recv plaintext packet for sta="MAC_FMT"\n"
|
, FUNC_ADPT_ARG(adapter), MAC_ARG(psta->cmn.mac_addr));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
}
|
}
|
}
|
|
#ifdef CONFIG_RTW_MESH
|
if (!pattrib->amsdu
|
&& pattrib->mesh_ctrl_present
|
&& (!pattrib->encrypt || pattrib->bdecrypted))
|
ret = rtw_mesh_rx_validate_mctrl_non_amsdu(adapter, precv_frame);
|
#endif
|
|
#ifdef CONFIG_TDLS
|
if (pattrib->is_tdls_frame) {
|
ret = OnTDLS(adapter, precv_frame);
|
if (ret == _FAIL)
|
goto exit;
|
}
|
#endif /* CONFIG_TDLS */
|
|
exit:
|
|
#ifdef RTW_PHL_TEST_FPGA
|
return _SUCCESS;
|
#endif
|
return ret;
|
}
|
|
static inline void dump_rx_packet(u8 *ptr)
|
{
|
int i;
|
|
RTW_INFO("#############################\n");
|
for (i = 0; i < 64; i = i + 8)
|
RTW_INFO("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:\n", *(ptr + i),
|
*(ptr + i + 1), *(ptr + i + 2) , *(ptr + i + 3) , *(ptr + i + 4), *(ptr + i + 5), *(ptr + i + 6), *(ptr + i + 7));
|
RTW_INFO("#############################\n");
|
}
|
|
#ifdef DBG_RX_DFRAME_RAW_DATA
|
static void rx_process_dframe_raw_data(union recv_frame *precvframe)
|
{
|
_adapter *padapter = precvframe->u.hdr.adapter;
|
struct dvobj_priv *devob = adapter_to_dvobj(padapter);
|
struct sta_recv_dframe_info *psta_dframe_info;
|
struct sta_info *psta = precvframe->u.hdr.psta;
|
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
|
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
|
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
|
struct recv_info *recvinfo = &padapter->recvinfo;
|
u8 isCCKrate, rf_path, dframe_type;
|
u8 *ptr;
|
u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
|
ptr = precvframe->u.hdr.rx_data;
|
dframe_type = GetFrameType(ptr);
|
|
if (recvinfo->store_law_data_flag) {
|
if ((dframe_type == WIFI_DATA_TYPE) || (dframe_type == WIFI_QOS_DATA_TYPE) || (padapter->registrypriv.mp_mode == 1)) {
|
if (psta) {
|
if (IS_MCAST(get_ra(get_recvframe_data(precvframe)))) {
|
psta_dframe_info = &psta->sta_dframe_info_bmc;
|
} else {
|
psta_dframe_info = &psta->sta_dframe_info;
|
}
|
|
if ((_rtw_memcmp(get_my_bssid(&pmlmeinfo->dev_network), bc_addr, ETH_ALEN) != _TRUE) || (padapter->registrypriv.mp_mode == 1)) {
|
psta_dframe_info->sta_data_rate = pattrib->data_rate;
|
psta_dframe_info->sta_sgi = pattrib->sgi;
|
psta_dframe_info->sta_bw_mode = pattrib->bw;
|
isCCKrate = (pattrib->data_rate <= DESC_RATE11M) ? _TRUE : _FALSE;
|
for (rf_path = 0; rf_path < GET_HAL_RFPATH_NUM(devob); rf_path++) {
|
psta_dframe_info->sta_mimo_signal_strength[rf_path] = pattrib->phy_info.signal_strength;
|
if (!isCCKrate) {
|
psta_dframe_info->sta_ofdm_snr[rf_path] = pattrib->phy_info.snr_fd[rf_path];
|
psta_dframe_info->sta_RxPwr[rf_path] = rtw_phl_rssi_to_dbm(pattrib->phy_info.rx_pwr[rf_path]);;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
#endif /* DBG_RX_DFRAME_RAW_DATA */
|
|
#ifdef CONFIG_SNR_RPT
|
static void rx_process_snr_info(union recv_frame *precvframe)
|
{
|
_adapter *padapter = precvframe->u.hdr.adapter;
|
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
|
struct phydm_phyinfo_struct *phy_info = &pattrib->phy_info;
|
u8 *wlanhdr = NULL;
|
u8 *ta, *ra;
|
u8 is_ra_bmc;
|
struct sta_priv *pstapriv;
|
struct sta_info *psta = NULL;
|
int i;
|
|
wlanhdr = precvframe->u.hdr.rx_data;
|
ta = get_ta(wlanhdr);
|
pstapriv = &padapter->stapriv;
|
psta = precvframe->u.hdr.psta;
|
|
if (psta) {
|
_rtw_spinlock_bh(&psta->lock);
|
if (phy_info->is_valid) {
|
psta->snr_num++;
|
for ( i = 0; i < RTW_PHL_MAX_RF_PATH; i++) {
|
psta->snr_fd_total[i] += pattrib->phy_info.snr_fd[i];
|
psta->snr_td_total[i] += pattrib->phy_info.snr_td[i];
|
psta->snr_fd_avg[i] = psta->snr_fd_total[i]/psta->snr_num;
|
psta->snr_td_avg[i] = psta->snr_td_total[i]/psta->snr_num;
|
#if 0
|
RTW_INFO("path = %d, AVG_SNR_FD = %d, AVG_SNR_TD = %d\n",
|
i, psta->snr_fd_avg[i], psta->snr_td_avg[i]);
|
#endif
|
}
|
|
}
|
_rtw_spinunlock_bh(&psta->lock);
|
}
|
|
}
|
#endif /* CONFIG_SNR_RPT */
|
sint validate_recv_frame(_adapter *adapter, union recv_frame **pprecv_frame)
|
{
|
/* shall check frame subtype, to / from ds, da, bssid */
|
|
/* then call check if rx seq/frag. duplicated. */
|
|
u8 type;
|
u8 subtype;
|
sint retval = _SUCCESS;
|
union recv_frame *precv_frame = *pprecv_frame;
|
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct recv_info *precvinfo = &adapter->recvinfo;
|
|
u8 *ptr = precv_frame->u.hdr.rx_data;
|
u8 ver = (unsigned char)(*ptr) & 0x3 ;
|
#ifdef CONFIG_FIND_BEST_CHANNEL
|
struct rtw_chset *chset = adapter_to_chset(adapter);
|
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
|
#endif
|
|
#ifdef CONFIG_TDLS
|
struct tdls_info *ptdlsinfo = &adapter->tdlsinfo;
|
#endif /* CONFIG_TDLS */
|
#ifdef CONFIG_WAPI_SUPPORT
|
PRT_WAPI_T pWapiInfo = &adapter->wapiInfo;
|
struct recv_frame_hdr *phdr = &precv_frame->u.hdr;
|
u8 wai_pkt = 0;
|
u16 sc;
|
u8 external_len = 0;
|
#endif
|
struct _ADAPTER_LINK *adapter_link = precv_frame->u.hdr.adapter_link;
|
|
|
#ifdef CONFIG_FIND_BEST_CHANNEL
|
if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
|
int ch_set_idx = rtw_chset_search_ch(chset, rtw_get_oper_ch(adapter, adapter_link));
|
if (ch_set_idx >= 0)
|
chset->chs[ch_set_idx].rx_count++;
|
}
|
#endif
|
|
#ifdef CONFIG_TDLS
|
if (ptdlsinfo->ch_sensing == 1 && ptdlsinfo->cur_channel != 0)
|
ptdlsinfo->collect_pkt_num[ptdlsinfo->cur_channel - 1]++;
|
#endif /* CONFIG_TDLS */
|
|
#ifdef RTK_DMP_PLATFORM
|
if (0) {
|
RTW_INFO("++\n");
|
{
|
int i;
|
for (i = 0; i < 64; i = i + 8)
|
RTW_INFO("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:", *(ptr + i),
|
*(ptr + i + 1), *(ptr + i + 2) , *(ptr + i + 3) , *(ptr + i + 4), *(ptr + i + 5), *(ptr + i + 6), *(ptr + i + 7));
|
|
}
|
RTW_INFO("--\n");
|
}
|
#endif /* RTK_DMP_PLATFORM */
|
|
/* add version chk */
|
if (ver != 0) {
|
retval = _FAIL;
|
DBG_COUNTER(adapter->rx_logs.core_rx_pre_ver_err);
|
goto exit;
|
}
|
|
type = GetFrameType(ptr);
|
subtype = get_frame_sub_type(ptr); /* bit(7)~bit(2) */
|
|
pattrib->to_fr_ds = get_tofr_ds(ptr);
|
|
pattrib->frag_num = GetFragNum(ptr);
|
pattrib->seq_num = GetSequence(ptr);
|
|
pattrib->pw_save = GetPwrMgt(ptr);
|
pattrib->mfrag = GetMFrag(ptr);
|
pattrib->mdata = GetMData(ptr);
|
pattrib->privacy = GetPrivacy(ptr);
|
pattrib->order = GetOrder(ptr);
|
#ifdef CONFIG_WAPI_SUPPORT
|
sc = (pattrib->seq_num << 4) | pattrib->frag_num;
|
#endif
|
|
#ifdef RTW_PHL_DBG_CMD
|
pattrib->wl_type = type;
|
pattrib->wl_subtype = subtype;
|
|
if(type == WIFI_DATA_TYPE)
|
core_add_record(adapter, REC_RX_DATA, precv_frame);
|
else
|
core_add_record(adapter, REC_RX_MGMT, precv_frame);
|
#endif
|
|
|
#if 1 /* Dump rx packets */
|
{
|
u8 bDumpRxPkt = 0;
|
|
rtw_hal_get_def_var(adapter, adapter_link, HAL_DEF_DBG_DUMP_RXPKT, &(bDumpRxPkt));
|
if (bDumpRxPkt == 1) /* dump all rx packets */
|
dump_rx_packet(ptr);
|
else if ((bDumpRxPkt == 2) && (type == WIFI_MGT_TYPE))
|
dump_rx_packet(ptr);
|
else if ((bDumpRxPkt == 3) && (type == WIFI_DATA_TYPE))
|
dump_rx_packet(ptr);
|
}
|
#endif
|
#ifdef RTW_WKARD_CORE_RSSI_V1
|
rx_process_phy_info(precv_frame);
|
#endif
|
|
#ifdef CONFIG_SNR_RPT
|
rx_process_snr_info(precv_frame);
|
#endif /* CONFIG_SNR_RPT */
|
switch (type) {
|
case WIFI_MGT_TYPE: /* mgnt */
|
DBG_COUNTER(adapter->rx_logs.core_rx_pre_mgmt);
|
retval = validate_recv_mgnt_frame(adapter, pprecv_frame);
|
if (retval == _FAIL) {
|
DBG_COUNTER(adapter->rx_logs.core_rx_pre_mgmt_err);
|
}
|
retval = _FAIL; /* only data frame return _SUCCESS */
|
break;
|
case WIFI_CTRL_TYPE: /* ctrl */
|
DBG_COUNTER(adapter->rx_logs.core_rx_pre_ctrl);
|
retval = validate_recv_ctrl_frame(adapter, precv_frame);
|
if (retval == _FAIL) {
|
DBG_COUNTER(adapter->rx_logs.core_rx_pre_ctrl_err);
|
}
|
retval = _FAIL; /* only data frame return _SUCCESS */
|
break;
|
case WIFI_DATA_TYPE: /* data */
|
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data);
|
#ifdef CONFIG_WAPI_SUPPORT
|
if (pattrib->qos)
|
external_len = 2;
|
else
|
external_len = 0;
|
|
wai_pkt = rtw_wapi_is_wai_packet(adapter, ptr);
|
|
phdr->bIsWaiPacket = wai_pkt;
|
|
if (wai_pkt != 0) {
|
if (sc != adapter->wapiInfo.wapiSeqnumAndFragNum)
|
adapter->wapiInfo.wapiSeqnumAndFragNum = sc;
|
else {
|
retval = _FAIL;
|
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_wapi_seq_err);
|
break;
|
}
|
} else {
|
|
if (rtw_wapi_drop_for_key_absent(adapter, get_addr2_ptr(ptr))) {
|
retval = _FAIL;
|
WAPI_TRACE(WAPI_RX, "drop for key absent for rx\n");
|
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_wapi_key_err);
|
break;
|
}
|
}
|
|
#endif
|
|
pattrib->qos = (subtype & BIT(7)) ? 1 : 0;
|
retval = validate_recv_data_frame(adapter, precv_frame);
|
if (retval == _FAIL) {
|
precvinfo->dbg_rx_drop_count++;
|
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_err);
|
} else if (retval == _SUCCESS) {
|
#ifdef DBG_RX_DUMP_EAP
|
if (!pattrib->encrypt || pattrib->bdecrypted) {
|
u8 bDumpRxPkt;
|
u16 eth_type;
|
|
/* dump eapol */
|
rtw_hal_get_def_var(adapter, adapter_link, HAL_DEF_DBG_DUMP_RXPKT, &(bDumpRxPkt));
|
/* get ether_type */
|
_rtw_memcpy(ð_type, ptr + pattrib->hdrlen + pattrib->iv_len + RATTRIB_GET_MCTRL_LEN(pattrib) + LLC_HEADER_SIZE, 2);
|
eth_type = ntohs((unsigned short) eth_type);
|
if ((bDumpRxPkt == 4) && (eth_type == 0x888e))
|
dump_rx_packet(ptr);
|
}
|
#endif
|
} else
|
DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_handled);
|
break;
|
default:
|
DBG_COUNTER(adapter->rx_logs.core_rx_pre_unknown);
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" fail! type=0x%x\n"
|
, FUNC_ADPT_ARG(adapter), type);
|
#endif
|
retval = _FAIL;
|
break;
|
}
|
|
exit:
|
|
|
return retval;
|
}
|
|
#ifdef CONFIG_MP_INCLUDED
|
int validate_mp_recv_frame(_adapter *adapter, union recv_frame *precv_frame)
|
{
|
int ret = _SUCCESS;
|
u8 *ptr = precv_frame->u.hdr.rx_data;
|
u8 type, subtype;
|
struct mp_priv *pmppriv = &adapter->mppriv;
|
struct mp_tx *pmptx;
|
unsigned char *sa , *da, *bs;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
u32 i = 0;
|
u8 rtk_prefix[]={0x52, 0x65, 0x61, 0x6C, 0x4C, 0x6F, 0x76, 0x65, 0x54, 0x65, 0x6B};
|
u8 *prx_data;
|
pmptx = &pmppriv->tx;
|
|
if (pmppriv->bloopback) {
|
RTW_DBG_DUMP("mp tx buf", pmptx->pallocated_buf, pmptx->buf_size);
|
RTW_DBG_DUMP("precv_frame", ptr, precv_frame->u.hdr.len);
|
if (_rtw_memcmp(ptr + 26, pmptx->pallocated_buf, precv_frame->u.hdr.len -26) == _FALSE) {
|
RTW_INFO("Compare payload content Fail !!!\n");
|
ret = _FAIL;
|
}
|
}
|
if (pmppriv->bSetRxBssid == _TRUE) {
|
|
sa = get_addr2_ptr(ptr);
|
da = GetAddr1Ptr(ptr);
|
bs = GetAddr3Ptr(ptr);
|
type = GetFrameType(ptr);
|
subtype = get_frame_sub_type(ptr); /* bit(7)~bit(2) */
|
|
if (_rtw_memcmp(bs, adapter->mppriv.network_macaddr, ETH_ALEN) == _FALSE) {
|
ret = _FAIL;
|
}
|
else {
|
#ifdef RTW_WKARD_CORE_RSSI_V1
|
rx_process_phy_info(precv_frame);
|
#endif
|
}
|
|
RTW_DBG("############ type:0x%02x subtype:0x%02x #################\n", type, subtype);
|
RTW_DBG("A2 sa %02X:%02X:%02X:%02X:%02X:%02X \n", *(sa) , *(sa + 1), *(sa+ 2), *(sa + 3), *(sa + 4), *(sa + 5));
|
RTW_DBG("A1 da %02X:%02X:%02X:%02X:%02X:%02X \n", *(da) , *(da + 1), *(da+ 2), *(da + 3), *(da + 4), *(da + 5));
|
RTW_DBG("A3 bs %02X:%02X:%02X:%02X:%02X:%02X \n --------------------------\n", *(bs) , *(bs + 1), *(bs+ 2), *(bs + 3), *(bs + 4), *(bs + 5));
|
}
|
|
if (!adapter->mppriv.bmac_filter)
|
return ret;
|
|
if (_rtw_memcmp(get_addr2_ptr(ptr), adapter->mppriv.mac_filter, ETH_ALEN) == _FALSE)
|
ret = _FAIL;
|
|
return ret;
|
}
|
|
sint mp_recv_frame(_adapter *adapter, union recv_frame *precv_frame)
|
{
|
sint ret = _SUCCESS;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
struct recv_info *precvinfo = &adapter->recvinfo;
|
u8 *ptr = precv_frame->u.hdr.rx_data;
|
u8 ver = (unsigned char)(*ptr) & 0x3 ;
|
|
struct mp_priv *pmppriv = &adapter->mppriv;
|
|
u8 type;
|
u8 subtype;
|
u8 *psa, *pda, *pbssid;
|
struct sta_info *psta = NULL;
|
|
if (pattrib->crc_err == 1)
|
pmppriv->rx_crcerrpktcount++;
|
else {
|
if (_SUCCESS == validate_mp_recv_frame(adapter, precv_frame))
|
pmppriv->rx_pktcount++;
|
else
|
pmppriv->rx_pktcount_filter_out++;
|
}
|
|
exit:
|
ret = _SUCCESS;
|
return ret;
|
|
}
|
|
#endif
|
/* Reture expected handling for LLC */
|
enum rtw_rx_llc_hdl rtw_recv_llc_parse(u8 *msdu, u16 msdu_len)
|
{
|
u16 eth_type;
|
|
if (msdu_len < 8)
|
return RTW_RX_LLC_KEEP;
|
|
eth_type = RTW_GET_BE16(msdu + SNAP_SIZE);
|
|
if ((_rtw_memcmp(msdu, rtw_rfc1042_header, SNAP_SIZE)
|
&& eth_type != ETH_P_AARP && eth_type != ETH_P_IPX)
|
|| _rtw_memcmp(msdu, rtw_bridge_tunnel_header, SNAP_SIZE)) {
|
/* remove RFC1042 or Bridge-Tunnel encapsulation and replace EtherType */
|
return RTW_RX_LLC_REMOVE;
|
} else {
|
/* Leave Ethernet header part of hdr and full payload */
|
return RTW_RX_LLC_KEEP;
|
}
|
|
/* TODO: VLAN tagged */
|
}
|
|
|
/* remove the wlanhdr and add the eth_hdr */
|
sint wlanhdr_to_ethhdr(union recv_frame *precvframe, enum rtw_rx_llc_hdl llc_hdl)
|
{
|
u8 *ptr = get_recvframe_data(precvframe) ; /* point to frame_ctrl field */
|
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
|
sint rmv_len;
|
u16 len;
|
sint ret = _SUCCESS;
|
#ifdef CONFIG_RTW_CORE_RXSC
|
_adapter *adapter = precvframe->u.hdr.adapter;
|
struct core_rxsc_entry *rxsc_entry = NULL;
|
u16 eth_type;
|
#endif
|
|
if (pattrib->encrypt)
|
recvframe_pull_tail(precvframe, pattrib->icv_len);
|
|
rmv_len = pattrib->hdrlen + pattrib->iv_len + RATTRIB_GET_MCTRL_LEN(pattrib) + (llc_hdl ? SNAP_SIZE : 0);
|
len = precvframe->u.hdr.len - rmv_len;
|
|
#ifdef CONFIG_RTW_CORE_RXSC
|
_rtw_memcpy(ð_type, ptr + rmv_len, 2);
|
eth_type = ntohs((unsigned short)eth_type); /* pattrib->ether_type */
|
pattrib->eth_type = eth_type;
|
if (llc_hdl == RTW_RX_LLC_REMOVE)
|
pattrib->bsnaphdr = _TRUE;
|
else if (llc_hdl == RTW_RX_LLC_KEEP)
|
pattrib->bsnaphdr = _FALSE;
|
|
rxsc_entry = core_rxsc_alloc_entry(adapter, precvframe);
|
|
if (rxsc_entry) {
|
/* cache offset of payload */
|
rxsc_entry->rxsc_payload_offset = (rmv_len - sizeof(struct ethhdr) + (pattrib->bsnaphdr ? 2 : 0));
|
|
/* cache padding size of tail */
|
if (pattrib->encrypt)
|
rxsc_entry->rxsc_trim_pad = pattrib->icv_len;
|
else
|
rxsc_entry->rxsc_trim_pad = 0;
|
|
/* cache WLAN header */
|
_rtw_memcpy((void *)&rxsc_entry->rxsc_wlanhdr, ptr, pattrib->hdrlen);
|
}
|
#endif
|
ptr = recvframe_pull(precvframe, (rmv_len - sizeof(struct ethhdr) + (llc_hdl ? 2 : 0)));
|
if (!ptr) {
|
ret = _FAIL;
|
goto exiting;
|
}
|
|
|
_rtw_memcpy(ptr, pattrib->dst, ETH_ALEN);
|
_rtw_memcpy(ptr + ETH_ALEN, pattrib->src, ETH_ALEN);
|
|
if (!llc_hdl) {
|
len = htons(len);
|
_rtw_memcpy(ptr + 12, &len, 2);
|
}
|
|
rtw_rframe_set_os_pkt(precvframe);
|
|
#ifdef CONFIG_RTW_CORE_RXSC
|
if (rxsc_entry) {
|
/* Cache ETH header */
|
memcpy((void *)&rxsc_entry->rxsc_ethhdr, ptr, sizeof(rxsc_entry->rxsc_ethhdr));
|
|
/* Cache Rx Attribute */
|
memcpy((void *)&rxsc_entry->rxsc_attrib, pattrib, sizeof(rxsc_entry->rxsc_attrib));
|
}
|
#ifdef RTW_PHL_DBG_CMD
|
adapter->core_logs.rxCnt_data_orig++;
|
#endif
|
#endif
|
|
exiting:
|
return ret;
|
|
}
|
|
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
|
#ifndef CONFIG_SDIO_RX_COPY
|
#ifdef PLATFORM_LINUX
|
static void recvframe_expand_pkt(
|
_adapter *padapter,
|
union recv_frame *prframe)
|
{
|
struct recv_frame_hdr *pfhdr;
|
struct sk_buff *ppkt;
|
u8 shift_sz;
|
u32 alloc_sz;
|
u8 *ptr;
|
|
|
pfhdr = &prframe->u.hdr;
|
|
/* 6 is for IP header 8 bytes alignment in QoS packet case. */
|
if (pfhdr->attrib.qos)
|
shift_sz = 6;
|
else
|
shift_sz = 0;
|
|
/* for first fragment packet, need to allocate */
|
/* (1536 + RXDESC_SIZE + drvinfo_sz) to reassemble packet */
|
/* 8 is for skb->data 8 bytes alignment.
|
* alloc_sz = _RND(1536 + RXDESC_SIZE + pfhdr->attrib.drvinfosize + shift_sz + 8, 128); */
|
alloc_sz = 1664; /* round (1536 + 24 + 32 + shift_sz + 8) to 128 bytes alignment */
|
|
/* 3 1. alloc new skb */
|
/* prepare extra space for 4 bytes alignment */
|
ppkt = rtw_skb_alloc(alloc_sz);
|
|
if (!ppkt)
|
return; /* no way to expand */
|
|
/* 3 2. Prepare new skb to replace & release old skb */
|
/* force ppkt->data at 8-byte alignment address */
|
skb_reserve(ppkt, 8 - ((SIZE_PTR)ppkt->data & 7));
|
/* force ip_hdr at 8-byte alignment address according to shift_sz */
|
skb_reserve(ppkt, shift_sz);
|
|
/* copy data to new pkt */
|
ptr = skb_put(ppkt, pfhdr->len);
|
if (ptr)
|
_rtw_memcpy(ptr, pfhdr->rx_data, pfhdr->len);
|
|
rtw_skb_free(pfhdr->pkt);
|
|
/* attach new pkt to recvframe */
|
pfhdr->pkt = ppkt;
|
pfhdr->rx_head = ppkt->head;
|
pfhdr->rx_data = ppkt->data;
|
pfhdr->rx_tail = skb_tail_pointer(ppkt);
|
pfhdr->rx_end = skb_end_pointer(ppkt);
|
}
|
#else /*!= PLATFORM_LINUX*/
|
#warning "recvframe_expand_pkt not implement, defrag may crash system"
|
#endif
|
#endif /*#ifndef CONFIG_SDIO_RX_COPY*/
|
#endif
|
|
/* perform defrag */
|
union recv_frame *recvframe_defrag(_adapter *adapter, _queue *defrag_q)
|
{
|
_list *plist, *phead;
|
u8 *data, wlanhdr_offset;
|
u8 curfragnum;
|
struct recv_frame_hdr *pfhdr, *pnfhdr;
|
union recv_frame *prframe, *pnextrframe;
|
u8 *pdata = NULL;
|
u64 tmp_iv_hdr = 0;
|
u64 pkt_pn = 0, cur_pn = 0;
|
struct rx_pkt_attrib *pattrib = NULL;
|
|
curfragnum = 0;
|
phead = get_list_head(defrag_q);
|
plist = get_next(phead);
|
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
|
/* CVE-2020-26146 */
|
pattrib = &prframe->u.hdr.attrib;
|
if (pattrib->encrypt == _AES_ || pattrib->encrypt == _CCMP_256_
|
|| pattrib->encrypt == _GCMP_ || pattrib->encrypt == _GCMP_256_ ) {
|
pdata = prframe->u.hdr.rx_data;
|
tmp_iv_hdr = le64_to_cpu(*(u64*)(pdata + pattrib->hdrlen));
|
/* get the first frame's PN. */
|
cur_pn = CCMPH_2_PN(tmp_iv_hdr);
|
}
|
|
pfhdr = &prframe->u.hdr;
|
rtw_list_delete(&(prframe->u.list));
|
|
if (curfragnum != pfhdr->attrib.frag_num) {
|
/* the first fragment number must be 0 */
|
/* free the whole queue */
|
rtw_free_recvframe(prframe);
|
rtw_free_recvframe_queue(defrag_q, _FALSE);
|
|
return NULL;
|
}
|
|
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
|
#ifndef CONFIG_SDIO_RX_COPY
|
recvframe_expand_pkt(adapter, prframe);
|
#endif
|
#endif
|
|
curfragnum++;
|
|
plist = get_list_head(defrag_q);
|
|
plist = get_next(plist);
|
|
data = get_recvframe_data(prframe);
|
|
while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
|
pnextrframe = LIST_CONTAINOR(plist, union recv_frame , u);
|
pnfhdr = &pnextrframe->u.hdr;
|
/* CVE-2020-26146, check whether the PN is consecutive. */
|
pattrib = &pnextrframe->u.hdr.attrib;
|
if (pattrib->encrypt == _AES_ || pattrib->encrypt == _CCMP_256_
|
|| pattrib->encrypt == _GCMP_ || pattrib->encrypt == _GCMP_256_ ) {
|
pdata = pnextrframe->u.hdr.rx_data;
|
tmp_iv_hdr = le64_to_cpu(*(u64*)(pdata + pattrib->hdrlen));
|
pkt_pn = CCMPH_2_PN(tmp_iv_hdr);
|
if (pkt_pn != cur_pn + 1) {
|
RTW_INFO("%s non-consective PN! old:%llu, new:%llu\n",
|
__func__, cur_pn, pkt_pn);
|
/* PN must be consecutive */
|
/* release the defrag_q & prframe */
|
rtw_free_recvframe(prframe);
|
rtw_free_recvframe_queue(defrag_q, _FALSE);
|
return NULL;
|
} else {
|
cur_pn = pkt_pn;
|
}
|
}
|
|
/* CVE-2020-24587, The keytrack of the fragment is supposed to be the same with other's */
|
if (pfhdr->keytrack != pnfhdr->keytrack) {
|
RTW_INFO("Inconsistent key track, drop fragmented frame!\n");
|
rtw_free_recvframe(prframe);
|
rtw_free_recvframe_queue(defrag_q, _FALSE);
|
return NULL;
|
}
|
|
/* check the fragment sequence (2nd ~n fragment frame) */
|
|
if (curfragnum != pnfhdr->attrib.frag_num) {
|
/* the fragment number must be increasing (after decache) */
|
/* release the defrag_q & prframe */
|
rtw_free_recvframe(prframe);
|
rtw_free_recvframe_queue(defrag_q, _FALSE);
|
return NULL;
|
}
|
|
/* copy the 2nd~n fragment frame's payload to the first fragment */
|
/* get the 2nd~last fragment frame's payload */
|
|
wlanhdr_offset = pnfhdr->attrib.hdrlen + pnfhdr->attrib.iv_len;
|
|
recvframe_pull(pnextrframe, wlanhdr_offset);
|
|
if ((pfhdr->rx_end - pfhdr->rx_tail) < pnfhdr->len) {
|
RTW_INFO("Not enough buffer space, drop fragmented frame!\n");
|
rtw_free_recvframe(prframe);
|
rtw_free_recvframe_queue(defrag_q, _FALSE);
|
return NULL;
|
}
|
|
curfragnum++;
|
|
/* append to first fragment frame's tail (if privacy frame, pull the ICV) */
|
recvframe_pull_tail(prframe, pfhdr->attrib.icv_len);
|
|
/* _rtw_memcpy */
|
_rtw_memcpy(pfhdr->rx_tail, pnfhdr->rx_data, pnfhdr->len);
|
|
recvframe_put(prframe, pnfhdr->len);
|
|
pfhdr->attrib.icv_len = pnfhdr->attrib.icv_len;
|
plist = get_next(plist);
|
|
};
|
|
/* free the defrag_q queue and return the prframe */
|
rtw_free_recvframe_queue(defrag_q, _FALSE);
|
|
|
|
return prframe;
|
}
|
|
/* check if need to defrag, if needed queue the frame to defrag_q */
|
s32 recvframe_chk_defrag(_adapter *padapter, union recv_frame **pprecv_frame)
|
{
|
u8 ismfrag;
|
u8 fragnum;
|
u8 *psta_addr;
|
struct recv_frame_hdr *pfhdr;
|
struct sta_info *psta;
|
struct sta_priv *pstapriv;
|
_list *phead;
|
union recv_frame *prtnframe = NULL;
|
_queue *pdefrag_q = NULL;
|
union recv_frame *precv_frame = *pprecv_frame;
|
s32 ret = CORE_RX_CONTINUE;
|
|
|
pstapriv = &padapter->stapriv;
|
|
pfhdr = &precv_frame->u.hdr;
|
|
/* need to define struct of wlan header frame ctrl */
|
ismfrag = pfhdr->attrib.mfrag;
|
fragnum = pfhdr->attrib.frag_num;
|
|
psta_addr = pfhdr->attrib.ta;
|
psta = precv_frame->u.hdr.psta;
|
if (psta == NULL) {
|
u8 type = GetFrameType(pfhdr->rx_data);
|
if (type != WIFI_DATA_TYPE) {
|
psta = rtw_get_bcmc_stainfo(padapter, precv_frame->u.hdr.adapter_link);
|
if (psta)
|
pdefrag_q = &psta->sta_recvpriv.defrag_q;
|
} else
|
pdefrag_q = NULL;
|
} else
|
pdefrag_q = &psta->sta_recvpriv.defrag_q;
|
|
if ((ismfrag == 0) && (fragnum == 0)) {
|
ret = CORE_RX_CONTINUE;
|
} else {
|
/* CVE-2020-26145, group addressed frame cannot use fragmentation!! */
|
if (IS_MCAST(pfhdr->attrib.ra)) {
|
RTW_INFO("DROP group addressed fragment!\n");
|
ret = CORE_RX_DROP;
|
}
|
/* CVE-2020-24587 */
|
if ((psta) && (pdefrag_q))
|
precv_frame->u.hdr.keytrack = ATOMIC_READ(&psta->keytrack);
|
}
|
|
if (ismfrag == 1) {
|
/* 0~(n-1) fragment frame */
|
/* enqueue to defraf_g */
|
if (pdefrag_q != NULL) {
|
if (fragnum == 0) {
|
/* the first fragment */
|
if (_rtw_queue_empty(pdefrag_q) == _FALSE) {
|
/* free current defrag_q */
|
rtw_free_recvframe_queue(pdefrag_q, _TRUE);
|
}
|
}
|
|
|
/* Then enqueue the 0~(n-1) fragment into the defrag_q */
|
|
_rtw_spinlock_bh(&pdefrag_q->lock);
|
phead = get_list_head(pdefrag_q);
|
rtw_list_insert_tail(&pfhdr->list, phead);
|
_rtw_spinunlock_bh(&pdefrag_q->lock);
|
|
|
ret = CORE_RX_DEFRAG;
|
} else {
|
/* can't find this ta's defrag_queue, so free this recv_frame */
|
ret = CORE_RX_DROP;
|
}
|
|
}
|
|
if ((ismfrag == 0) && (fragnum != 0)) {
|
/* the last fragment frame */
|
/* enqueue the last fragment */
|
if (pdefrag_q != NULL) {
|
_rtw_spinlock_bh(&pdefrag_q->lock);
|
phead = get_list_head(pdefrag_q);
|
rtw_list_insert_tail(&pfhdr->list, phead);
|
|
/* call recvframe_defrag to defrag */
|
*pprecv_frame = recvframe_defrag(padapter, pdefrag_q);
|
_rtw_spinunlock_bh(&pdefrag_q->lock);
|
if (*pprecv_frame == NULL)
|
ret = CORE_RX_DROP;
|
else {
|
ret = CORE_RX_CONTINUE;
|
}
|
} else {
|
/* can't find this ta's defrag_queue, so free this recv_frame */
|
ret = CORE_RX_DROP;
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
static int rtw_recv_indicatepkt_check(union recv_frame *rframe, u8 *ehdr_pos, u32 pkt_len)
|
{
|
_adapter *adapter = rframe->u.hdr.adapter;
|
struct recv_info *recvinfo = &adapter->recvinfo;
|
struct ethhdr *ehdr = (struct ethhdr *)ehdr_pos;
|
struct rx_pkt_attrib *pattrib = &rframe->u.hdr.attrib;
|
#ifdef DBG_IP_R_MONITOR
|
int i;
|
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
|
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
|
struct wlan_network *cur_network = &(pmlmepriv->dev_cur_network);
|
#endif/*DBG_IP_R_MONITOR*/
|
enum eap_type eapol_type;
|
int ret = _FAIL;
|
|
#ifdef CONFIG_WAPI_SUPPORT
|
if (rtw_wapi_check_for_drop(adapter, rframe, ehdr_pos)) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" rtw_wapi_check_for_drop\n"
|
, FUNC_ADPT_ARG(adapter));
|
#endif
|
goto exit;
|
}
|
#endif
|
|
if (rframe->u.hdr.psta)
|
rtw_st_ctl_rx(rframe->u.hdr.psta, ehdr_pos);
|
|
if (ntohs(ehdr->h_proto) == 0x888e) {
|
eapol_type = parsing_eapol_packet(adapter, ehdr_pos + ETH_HLEN, rframe->u.hdr.psta, 0);
|
if ((eapol_type == EAPOL_1_4 || eapol_type == EAPOL_3_4) && pattrib->encrypt == 0) {
|
rframe->u.hdr.psta->resp_nonenc_eapol_key_starttime = rtw_get_current_time();
|
RTW_INFO("Receive unencrypted eapol key\n");
|
}
|
}
|
#ifdef DBG_ARP_DUMP
|
else if (ntohs(ehdr->h_proto) == ETH_P_ARP)
|
dump_arp_pkt(RTW_DBGDUMP, ehdr->h_dest, ehdr->h_source, ehdr_pos + ETH_HLEN, 0);
|
#endif
|
|
if (recvinfo->sink_udpport > 0)
|
rtw_sink_rtp_seq_dbg(adapter, ehdr_pos);
|
|
#ifdef DBG_UDP_PKT_LOSE_11AC
|
#define PAYLOAD_LEN_LOC_OF_IP_HDR 0x10 /*ethernet payload length location of ip header (DA + SA+eth_type+(version&hdr_len)) */
|
|
if (ntohs(ehdr->h_proto) == ETH_P_ARP) {
|
/* ARP Payload length will be 42bytes or 42+18(tailer)=60bytes*/
|
if (pkt_len != 42 && pkt_len != 60)
|
RTW_INFO("Error !!%s,ARP Payload length %u not correct\n" , __func__ , pkt_len);
|
} else if (ntohs(ehdr->h_proto) == ETH_P_IP) {
|
if (be16_to_cpu(*((u16 *)(ehdr_pos + PAYLOAD_LEN_LOC_OF_IP_HDR))) != (pkt_len) - ETH_HLEN) {
|
RTW_INFO("Error !!%s,Payload length not correct\n" , __func__);
|
RTW_INFO("%s, IP header describe Total length=%u\n" , __func__ , be16_to_cpu(*((u16 *)(ehdr_pos + PAYLOAD_LEN_LOC_OF_IP_HDR))));
|
RTW_INFO("%s, Pkt real length=%u\n" , __func__ , (pkt_len) - ETH_HLEN);
|
}
|
}
|
#endif
|
|
#ifdef DBG_IP_R_MONITOR
|
#define LEN_ARP_OP_HDR 7 /*ARP OERATION */
|
if (ntohs(ehdr->h_proto) == ETH_P_ARP) {
|
|
if(check_fwstate(pmlmepriv, WIFI_ASOC_STATE) == _TRUE){
|
if(ehdr_pos[ETHERNET_HEADER_SIZE+LEN_ARP_OP_HDR] == 2) {
|
|
RTW_INFO("%s,[DBG_ARP] Rx ARP RSP Packet;SeqNum = %d !\n",
|
__FUNCTION__, pattrib->seq_num);
|
|
dump_arp_pkt(RTW_DBGDUMP, ehdr->h_dest, ehdr->h_source, ehdr_pos + ETH_HLEN, 0);
|
|
}
|
}
|
}
|
#endif/*DBG_IP_R_MONITOR*/
|
|
#ifdef CONFIG_AUTO_AP_MODE
|
if (ntohs(ehdr->h_proto) == 0x8899)
|
rtw_auto_ap_rx_msg_dump(adapter, rframe, ehdr_pos);
|
#endif
|
|
ret = _SUCCESS;
|
|
#ifdef CONFIG_WAPI_SUPPORT
|
exit:
|
#endif
|
return ret;
|
}
|
|
#if defined(CONFIG_AP_MODE) || defined(CONFIG_RTW_MESH)
|
static void recv_free_fwd_resource(_adapter *adapter, struct xmit_frame *fwd_frame, _list *f_list)
|
{
|
struct xmit_priv *xmitpriv = &adapter->xmitpriv;
|
|
if (fwd_frame)
|
core_tx_free_xmitframe(adapter, fwd_frame);
|
|
#if defined(CONFIG_RTW_WDS) || CONFIG_RTW_DATA_BMC_TO_UC
|
if (!rtw_is_list_empty(f_list)) {
|
struct xmit_frame *fframe;
|
_list *list;
|
|
list = get_next(f_list);
|
while (rtw_end_of_queue_search(f_list, list) == _FALSE) {
|
fframe = LIST_CONTAINOR(list, struct xmit_frame, list);
|
list = get_next(list);
|
rtw_list_delete(&fframe->list);
|
core_tx_free_xmitframe(adapter, fframe);
|
}
|
}
|
#endif
|
}
|
|
static void recv_fwd_pkt_hdl(_adapter *adapter, struct sk_buff *pkt
|
, u8 act, struct xmit_frame *fwd_frame, _list *f_list)
|
{
|
struct xmit_priv *xmitpriv = &adapter->xmitpriv;
|
struct sk_buff *fwd_pkt = pkt;
|
|
if (act & RTW_RX_MSDU_ACT_INDICATE) {
|
fwd_pkt = rtw_skb_copy(pkt);
|
if (!fwd_pkt) {
|
#ifdef DBG_TX_DROP_FRAME
|
RTW_INFO("DBG_TX_DROP_FRAME %s rtw_skb_copy fail\n", __func__);
|
#endif
|
recv_free_fwd_resource(adapter, fwd_frame, f_list);
|
goto exit;
|
}
|
}
|
|
#if defined(CONFIG_RTW_WDS) || CONFIG_RTW_DATA_BMC_TO_UC
|
if (!rtw_is_list_empty(f_list)) {
|
_list *list = get_next(f_list);
|
struct xmit_frame *fframe;
|
|
while (rtw_end_of_queue_search(f_list, list) == _FALSE) {
|
fframe = LIST_CONTAINOR(list, struct xmit_frame, list);
|
list = get_next(list);
|
rtw_list_delete(&fframe->list);
|
|
if (!fwd_frame && rtw_is_list_empty(f_list)) /* the last fwd_pkt */
|
fframe->pkt = fwd_pkt;
|
else
|
fframe->pkt = rtw_skb_copy(fwd_pkt);
|
if (!fframe->pkt) {
|
core_tx_free_xmitframe(adapter, fframe);
|
continue;
|
}
|
|
core_tx_per_packet(adapter, fframe, &fframe->pkt, NULL);
|
}
|
}
|
#endif
|
|
if (fwd_frame) {
|
fwd_frame->pkt = fwd_pkt;
|
if (core_tx_per_packet(adapter, fwd_frame, &fwd_pkt, NULL) < 0) {
|
#ifdef DBG_TX_DROP_FRAME
|
RTW_INFO("DBG_TX_DROP_FRAME %s rtw_xmit_posthandle fail\n", __func__);
|
#endif
|
xmitpriv->tx_drop++;
|
}
|
}
|
|
exit:
|
return;
|
}
|
#endif /* defined(CONFIG_AP_MODE) || defined(CONFIG_RTW_MESH) */
|
|
/*
|
* From WFA suggestion: *
|
* If first subframe meets one of the following condition, *
|
* the whole received AMSDU should drop. *
|
* 1. subframe's DA is not the same as RA in From DS case. *
|
* 2. subframe's SA is not the same as TA in To DS case. *
|
* 3. subframe's DA is AA:AA:03:00:00:00 *
|
*/
|
static u8 validate_amsdu_content(_adapter *padapter, union recv_frame *prframe,
|
const u8 *da, const u8 *sa)
|
{
|
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
|
u8 ret = _SUCCESS;
|
|
/* Use the recommendation method form Wi-Fi alliance to check subframe */
|
/* in protected network */
|
if (padapter->registrypriv.amsdu_mode == RTW_AMSDU_MODE_NON_SPP &&
|
padapter->securitypriv.dot11PrivacyAlgrthm != _NO_PRIVACY_) {
|
|
/* 1.check From DS */
|
if (pattrib->to_fr_ds == 1) {
|
if (_rtw_memcmp(da, pattrib->ra, ETH_ALEN) == _FALSE)
|
ret = _FAIL;
|
}
|
|
/* 2.check To DS */
|
if (pattrib->to_fr_ds == 2) {
|
if (_rtw_memcmp(sa, pattrib->ta, ETH_ALEN) == _FALSE)
|
ret = _FAIL;
|
}
|
|
/* 3.Check whether DA is AA:AA:03:00:00:00 */
|
if (_rtw_memcmp(da, rtw_rfc1042_header, ETH_ALEN) == _TRUE)
|
ret = _FAIL;
|
|
}
|
|
return ret;
|
|
}
|
|
int amsdu_to_msdu(_adapter *padapter, union recv_frame **pprframe)
|
{
|
union recv_frame *prframe = *pprframe;
|
struct rx_pkt_attrib *rattrib = &prframe->u.hdr.attrib;
|
int a_len, padding_len;
|
u16 nSubframe_Length;
|
u8 nr_subframes, i;
|
u8 *pdata;
|
struct sk_buff *sub_pkt, *subframes[MAX_SUBFRAME_COUNT];
|
const u8 *da, *sa;
|
int act;
|
#if defined(CONFIG_AP_MODE) || defined(CONFIG_RTW_MESH)
|
struct xmit_frame *fwd_frame;
|
_list f_list;
|
#endif
|
enum rtw_rx_llc_hdl llc_hdl;
|
u8 mctrl_len = 0;
|
int ret = _SUCCESS;
|
|
nr_subframes = 0;
|
|
recvframe_pull(prframe, rattrib->hdrlen);
|
|
if (rattrib->iv_len > 0)
|
recvframe_pull(prframe, rattrib->iv_len);
|
|
if (rattrib->encrypt)
|
recvframe_pull_tail(prframe, rattrib->icv_len);
|
|
a_len = prframe->u.hdr.len;
|
pdata = prframe->u.hdr.rx_data;
|
|
while (a_len > ETH_HLEN) {
|
/* Offset 12 denote 2 mac address */
|
nSubframe_Length = RTW_GET_BE16(pdata + 12);
|
if (a_len < (ETHERNET_HEADER_SIZE + nSubframe_Length)) {
|
RTW_INFO("nRemain_Length is %d and nSubframe_Length is : %d\n", a_len, nSubframe_Length);
|
break;
|
}
|
|
act = RTW_RX_MSDU_ACT_INDICATE;
|
|
#if defined(CONFIG_AP_MODE) || defined(CONFIG_RTW_MESH)
|
fwd_frame = NULL;
|
#endif
|
|
#ifdef CONFIG_RTW_MESH
|
if (MLME_IS_MESH(padapter)) {
|
u8 *mda = pdata, *msa = pdata + ETH_ALEN;
|
struct rtw_ieee80211s_hdr *mctrl = (struct rtw_ieee80211s_hdr *)(pdata + ETH_HLEN);
|
int v_ret;
|
|
v_ret = rtw_mesh_rx_data_validate_mctrl(padapter, prframe
|
, mctrl, mda, msa, &mctrl_len, &da, &sa);
|
if (v_ret != _SUCCESS)
|
goto move_to_next;
|
|
if (validate_amsdu_content(padapter, prframe, da, sa) == _FAIL) {
|
RTW_INFO("%s check subframe content fail!\n", __func__);
|
break;
|
}
|
|
llc_hdl = rtw_recv_llc_parse(pdata + ETH_HLEN + mctrl_len, nSubframe_Length - mctrl_len);
|
act = rtw_mesh_rx_msdu_act_check(prframe
|
, mda, msa, da, sa, mctrl
|
, pdata + ETH_HLEN + mctrl_len, llc_hdl
|
, &fwd_frame, &f_list);
|
} else
|
#endif
|
{
|
da = pdata;
|
sa = pdata + ETH_ALEN;
|
|
if (validate_amsdu_content(padapter, prframe, da, sa) == _FAIL) {
|
RTW_INFO("%s check subframe content fail!\n", __func__);
|
break;
|
}
|
|
llc_hdl = rtw_recv_llc_parse(pdata + ETH_HLEN, nSubframe_Length);
|
#ifdef CONFIG_AP_MODE
|
if (MLME_IS_AP(padapter)) {
|
act = rtw_ap_rx_msdu_act_check(prframe, da, sa
|
, pdata + ETH_HLEN, llc_hdl, &fwd_frame, &f_list);
|
} else
|
#endif
|
if (MLME_IS_STA(padapter))
|
act = rtw_sta_rx_amsdu_act_check(prframe, da, sa);
|
}
|
|
if (!act)
|
goto move_to_next;
|
|
rtw_led_rx_control(padapter, da);
|
|
sub_pkt = rtw_os_alloc_msdu_pkt(prframe, da, sa
|
, pdata + ETH_HLEN + mctrl_len, nSubframe_Length - mctrl_len, llc_hdl);
|
if (sub_pkt == NULL) {
|
if (act & RTW_RX_MSDU_ACT_INDICATE) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME %s rtw_os_alloc_msdu_pkt fail\n", __func__);
|
#endif
|
}
|
#if defined(CONFIG_AP_MODE) || defined(CONFIG_RTW_MESH)
|
if (act & RTW_RX_MSDU_ACT_FORWARD) {
|
#ifdef DBG_TX_DROP_FRAME
|
RTW_INFO("DBG_TX_DROP_FRAME %s rtw_os_alloc_msdu_pkt fail\n", __func__);
|
#endif
|
recv_free_fwd_resource(padapter, fwd_frame, &f_list);
|
}
|
#endif
|
break;
|
}
|
|
#if defined(CONFIG_AP_MODE) || defined(CONFIG_RTW_MESH)
|
if (act & RTW_RX_MSDU_ACT_FORWARD) {
|
recv_fwd_pkt_hdl(padapter, sub_pkt, act, fwd_frame, &f_list);
|
if (!(act & RTW_RX_MSDU_ACT_INDICATE))
|
goto move_to_next;
|
}
|
#endif
|
|
if (rtw_recv_indicatepkt_check(prframe, rtw_skb_data(sub_pkt), rtw_skb_len(sub_pkt)) == _SUCCESS)
|
subframes[nr_subframes++] = sub_pkt;
|
else
|
rtw_skb_free(sub_pkt);
|
|
#if defined(CONFIG_AP_MODE) || defined(CONFIG_RTW_MESH)
|
move_to_next:
|
#endif
|
/* move the data point to data content */
|
pdata += ETH_HLEN;
|
a_len -= ETH_HLEN;
|
|
if (nr_subframes >= MAX_SUBFRAME_COUNT) {
|
RTW_WARN("ParseSubframe(): Too many Subframes! Packets dropped!\n");
|
break;
|
}
|
|
pdata += nSubframe_Length;
|
a_len -= nSubframe_Length;
|
if (a_len != 0) {
|
padding_len = 4 - ((nSubframe_Length + ETH_HLEN) & (4 - 1));
|
if (padding_len == 4)
|
padding_len = 0;
|
|
if (a_len < padding_len) {
|
RTW_INFO("ParseSubframe(): a_len < padding_len !\n");
|
break;
|
}
|
pdata += padding_len;
|
a_len -= padding_len;
|
}
|
}
|
|
for (i = 0; i < nr_subframes; i++) {
|
sub_pkt = subframes[i];
|
|
/* Indicat the packets to upper layer */
|
if (sub_pkt)
|
rtw_os_recv_indicate_pkt(padapter, sub_pkt, prframe);
|
}
|
|
prframe->u.hdr.len = 0;
|
rtw_free_recvframe(prframe);/* free this recv_frame */
|
*pprframe = NULL;
|
|
return ret;
|
}
|
|
static int recv_process_mpdu(_adapter *padapter, union recv_frame *prframe)
|
{
|
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
|
int ret;
|
|
if (pattrib->amsdu) {
|
ret = amsdu_to_msdu(padapter, &prframe);
|
if (ret != _SUCCESS) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" amsdu_to_msdu fail\n"
|
, FUNC_ADPT_ARG(padapter));
|
#endif
|
rtw_free_recvframe(prframe);
|
goto exit;
|
}
|
} else {
|
int act = RTW_RX_MSDU_ACT_INDICATE;
|
|
#ifdef CONFIG_RTW_MESH /* TODO: move AP mode forward & b2u logic here */
|
struct xmit_frame *fwd_frame = NULL;
|
_list f_list;
|
|
if (MLME_IS_MESH(padapter) && pattrib->mesh_ctrl_present) {
|
act = rtw_mesh_rx_msdu_act_check(prframe
|
, pattrib->mda, pattrib->msa
|
, pattrib->dst, pattrib->src
|
, (struct rtw_ieee80211s_hdr *)(get_recvframe_data(prframe) + pattrib->hdrlen + pattrib->iv_len)
|
, &fwd_frame, &f_list);
|
}
|
#endif
|
|
#ifdef CONFIG_RTW_MESH
|
if (!act) {
|
rtw_free_recvframe(prframe);
|
ret = _FAIL;
|
goto exit;
|
}
|
#endif
|
|
rtw_led_rx_control(padapter, pattrib->dst);
|
|
ret = wlanhdr_to_ethhdr(prframe, 0);
|
if (ret != _SUCCESS) {
|
if (act & RTW_RX_MSDU_ACT_INDICATE) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" wlanhdr_to_ethhdr: drop pkt\n"
|
, FUNC_ADPT_ARG(padapter));
|
#endif
|
}
|
#ifdef CONFIG_RTW_MESH
|
if (act & RTW_RX_MSDU_ACT_FORWARD) {
|
#ifdef DBG_TX_DROP_FRAME
|
RTW_INFO("DBG_TX_DROP_FRAME %s wlanhdr_to_ethhdr fail\n", __func__);
|
#endif
|
recv_free_fwd_resource(padapter, fwd_frame, &f_list);
|
}
|
#endif
|
rtw_free_recvframe(prframe);
|
goto exit;
|
}
|
|
#ifdef CONFIG_RTW_MESH
|
if (act & RTW_RX_MSDU_ACT_FORWARD) {
|
recv_fwd_pkt_hdl(padapter, prframe->u.hdr.pkt, act, fwd_frame, &f_list);
|
if (!(act & RTW_RX_MSDU_ACT_INDICATE)) {
|
prframe->u.hdr.pkt = NULL;
|
rtw_free_recvframe(prframe);
|
goto exit;
|
}
|
}
|
#endif
|
|
if (!RTW_CANNOT_RUN(adapter_to_dvobj(padapter))) {
|
ret = rtw_recv_indicatepkt_check(prframe
|
, get_recvframe_data(prframe), get_recvframe_len(prframe));
|
if (ret != _SUCCESS) {
|
rtw_free_recvframe(prframe);
|
goto exit;
|
}
|
|
/* indicate this recv_frame */
|
ret = rtw_recv_indicatepkt(padapter, prframe);
|
if (ret != _SUCCESS) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" rtw_recv_indicatepkt fail!\n"
|
, FUNC_ADPT_ARG(padapter));
|
#endif
|
goto exit;
|
}
|
} else {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" DS:%u SR:%u\n"
|
, FUNC_ADPT_ARG(padapter)
|
, dev_is_drv_stopped(adapter_to_dvobj(padapter))
|
, dev_is_surprise_removed(adapter_to_dvobj(padapter)));
|
#endif
|
ret = _SUCCESS; /* don't count as packet drop */
|
rtw_free_recvframe(prframe);
|
}
|
}
|
|
exit:
|
return ret;
|
}
|
|
#if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
|
static int check_indicate_seq(struct recv_reorder_ctrl *preorder_ctrl, u16 seq_num)
|
{
|
_adapter *padapter = preorder_ctrl->padapter;
|
struct recv_info *precvinfo = &padapter->recvinfo;
|
u8 wsize = preorder_ctrl->wsize_b;
|
u16 wend;
|
|
/* Rx Reorder initialize condition. */
|
if (preorder_ctrl->indicate_seq == 0xFFFF) {
|
preorder_ctrl->indicate_seq = seq_num;
|
#ifdef DBG_RX_SEQ
|
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" tid:%u SN_INIT indicate_seq:%d, seq_num:%d\n"
|
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, seq_num);
|
#endif
|
}
|
wend = (preorder_ctrl->indicate_seq + wsize - 1) & 0xFFF; /* % 4096; */
|
|
/* Drop out the packet which SeqNum is smaller than WinStart */
|
if (SN_LESS(seq_num, preorder_ctrl->indicate_seq)) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO(FUNC_ADPT_FMT" tid:%u indicate_seq:%d > seq_num:%d\n"
|
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, seq_num);
|
#endif
|
return _FALSE;
|
}
|
|
/*
|
* Sliding window manipulation. Conditions includes:
|
* 1. Incoming SeqNum is equal to WinStart =>Window shift 1
|
* 2. Incoming SeqNum is larger than the WinEnd => Window shift N
|
*/
|
if (SN_EQUAL(seq_num, preorder_ctrl->indicate_seq)) {
|
preorder_ctrl->indicate_seq = (preorder_ctrl->indicate_seq + 1) & 0xFFF;
|
#ifdef DBG_RX_SEQ
|
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" tid:%u SN_EQUAL indicate_seq:%d, seq_num:%d\n"
|
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, seq_num);
|
#endif
|
|
} else if (SN_LESS(wend, seq_num)) {
|
/* boundary situation, when seq_num cross 0xFFF */
|
if (seq_num >= (wsize - 1))
|
preorder_ctrl->indicate_seq = seq_num + 1 - wsize;
|
else
|
preorder_ctrl->indicate_seq = 0xFFF - (wsize - (seq_num + 1)) + 1;
|
|
precvinfo->dbg_rx_ampdu_window_shift_cnt++;
|
#ifdef DBG_RX_SEQ
|
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" tid:%u SN_LESS(wend, seq_num) indicate_seq:%d, seq_num:%d\n"
|
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, seq_num);
|
#endif
|
}
|
|
return _TRUE;
|
}
|
|
static int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, union recv_frame *prframe)
|
{
|
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
|
_queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
|
_list *phead, *plist;
|
union recv_frame *pnextrframe;
|
struct rx_pkt_attrib *pnextattrib;
|
|
/* DbgPrint("+enqueue_reorder_recvframe()\n"); */
|
|
/* _rtw_spinlock_irq(&ppending_recvframe_queue->lock, &sp_flags); */
|
|
phead = get_list_head(ppending_recvframe_queue);
|
plist = get_next(phead);
|
|
while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
|
pnextrframe = LIST_CONTAINOR(plist, union recv_frame, u);
|
pnextattrib = &pnextrframe->u.hdr.attrib;
|
|
if (SN_LESS(pnextattrib->seq_num, pattrib->seq_num))
|
plist = get_next(plist);
|
else if (SN_EQUAL(pnextattrib->seq_num, pattrib->seq_num)) {
|
/* Duplicate entry is found!! Do not insert current entry. */
|
|
/* _rtw_spinunlock_irq(&ppending_recvframe_queue->lock, &sp_flags); */
|
|
return _FALSE;
|
} else
|
break;
|
|
/* DbgPrint("enqueue_reorder_recvframe():while\n"); */
|
|
}
|
|
|
/* _rtw_spinlock_irq(&ppending_recvframe_queue->lock, &sp_flags); */
|
|
rtw_list_delete(&(prframe->u.hdr.list));
|
|
rtw_list_insert_tail(&(prframe->u.hdr.list), plist);
|
|
/* _rtw_spinunlock_irq(&ppending_recvframe_queue->lock, &sp_flags); */
|
|
|
return _TRUE;
|
|
}
|
|
static void recv_indicatepkts_pkt_loss_cnt(_adapter *padapter, u64 prev_seq, u64 current_seq)
|
{
|
struct recv_info *precvinfo = &padapter->recvinfo;
|
|
if (current_seq < prev_seq) {
|
precvinfo->dbg_rx_ampdu_loss_count += (4096 + current_seq - prev_seq);
|
precvinfo->rx_drop += (4096 + current_seq - prev_seq);
|
} else {
|
precvinfo->dbg_rx_ampdu_loss_count += (current_seq - prev_seq);
|
precvinfo->rx_drop += (current_seq - prev_seq);
|
}
|
}
|
|
static int recv_indicatepkts_in_order(_adapter *padapter, struct recv_reorder_ctrl *preorder_ctrl, int bforced)
|
{
|
_list *phead, *plist;
|
union recv_frame *prframe;
|
struct rx_pkt_attrib *pattrib;
|
/* u8 index = 0; */
|
int bPktInBuf = _FALSE;
|
struct recv_info *precvinfo = &padapter->recvinfo;
|
_queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
|
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_indicate_in_oder);
|
|
/* DbgPrint("+recv_indicatepkts_in_order\n"); */
|
|
/* _rtw_spinlock_irq(&ppending_recvframe_queue->lock, &sp_flags); */
|
|
phead = get_list_head(ppending_recvframe_queue);
|
plist = get_next(phead);
|
|
#if 0
|
/* Check if there is any other indication thread running. */
|
if (pTS->RxIndicateState == RXTS_INDICATE_PROCESSING)
|
return;
|
#endif
|
|
/* Handling some condition for forced indicate case. */
|
if (bforced == _TRUE) {
|
precvinfo->dbg_rx_ampdu_forced_indicate_count++;
|
if (rtw_is_list_empty(phead)) {
|
/* _rtw_spinunlock_irq(&ppending_recvframe_queue->lock, &sp_flags); */
|
return _TRUE;
|
}
|
|
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
|
pattrib = &prframe->u.hdr.attrib;
|
|
#ifdef DBG_RX_SEQ
|
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" tid:%u FORCE indicate_seq:%d, seq_num:%d\n"
|
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, pattrib->seq_num);
|
#endif
|
recv_indicatepkts_pkt_loss_cnt(padapter, preorder_ctrl->indicate_seq, pattrib->seq_num);
|
preorder_ctrl->indicate_seq = pattrib->seq_num;
|
}
|
|
/* Prepare indication list and indication. */
|
/* Check if there is any packet need indicate. */
|
while (!rtw_is_list_empty(phead)) {
|
|
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
|
pattrib = &prframe->u.hdr.attrib;
|
|
if (!SN_LESS(preorder_ctrl->indicate_seq, pattrib->seq_num)) {
|
|
#if 0
|
/* This protect buffer from overflow. */
|
if (index >= REORDER_WIN_SIZE) {
|
RT_ASSERT(FALSE, ("IndicateRxReorderList(): Buffer overflow!!\n"));
|
bPktInBuf = TRUE;
|
break;
|
}
|
#endif
|
|
plist = get_next(plist);
|
rtw_list_delete(&(prframe->u.hdr.list));
|
|
if (SN_EQUAL(preorder_ctrl->indicate_seq, pattrib->seq_num)) {
|
preorder_ctrl->indicate_seq = (preorder_ctrl->indicate_seq + 1) & 0xFFF;
|
#ifdef DBG_RX_SEQ
|
RTW_INFO("DBG_RX_SEQ "FUNC_ADPT_FMT" tid:%u SN_EQUAL indicate_seq:%d, seq_num:%d\n"
|
, FUNC_ADPT_ARG(padapter), preorder_ctrl->tid, preorder_ctrl->indicate_seq, pattrib->seq_num);
|
#endif
|
}
|
|
#if 0
|
index++;
|
if (index == 1) {
|
/* Cancel previous pending timer. */
|
/* PlatformCancelTimer(adapter, &pTS->RxPktPendingTimer); */
|
if (bforced != _TRUE) {
|
/* RTW_INFO("_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);\n"); */
|
_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
|
}
|
}
|
#endif
|
|
/* Set this as a lock to make sure that only one thread is indicating packet. */
|
/* pTS->RxIndicateState = RXTS_INDICATE_PROCESSING; */
|
|
/* Indicate packets */
|
/* RT_ASSERT((index<=REORDER_WIN_SIZE), ("RxReorderIndicatePacket(): Rx Reorder buffer full!!\n")); */
|
|
|
/* indicate this recv_frame */
|
/* DbgPrint("recv_indicatepkts_in_order, indicate_seq=%d, seq_num=%d\n", precvpriv->indicate_seq, pattrib->seq_num); */
|
if (recv_process_mpdu(padapter, prframe) != _SUCCESS)
|
precvinfo->dbg_rx_drop_count++;
|
|
/* Update local variables. */
|
bPktInBuf = _FALSE;
|
|
} else {
|
bPktInBuf = _TRUE;
|
break;
|
}
|
|
/* DbgPrint("recv_indicatepkts_in_order():while\n"); */
|
|
}
|
|
/* _rtw_spinunlock_irq(&ppending_recvframe_queue->lock, sp_flags); */
|
|
#if 0
|
/* Release the indication lock and set to new indication step. */
|
if (bPktInBuf) {
|
/* Set new pending timer. */
|
/* pTS->RxIndicateState = RXTS_INDICATE_REORDER; */
|
/* PlatformSetTimer(adapter, &pTS->RxPktPendingTimer, pHTInfo->RxReorderPendingTime); */
|
|
_set_timer(&preorder_ctrl->reordering_ctrl_timer, REORDER_WAIT_TIME);
|
} else {
|
/* pTS->RxIndicateState = RXTS_INDICATE_IDLE; */
|
}
|
#endif
|
/* _rtw_spinunlock_irq(&ppending_recvframe_queue->lock, sp_flags); */
|
|
/* return _TRUE; */
|
return bPktInBuf;
|
|
}
|
|
static int recv_indicatepkt_reorder(_adapter *padapter, union recv_frame *prframe)
|
{
|
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
|
struct recv_reorder_ctrl *preorder_ctrl = prframe->u.hdr.preorder_ctrl;
|
_queue *ppending_recvframe_queue = preorder_ctrl ? &preorder_ctrl->pending_recvframe_queue : NULL;
|
struct recv_info *precvinfo = &padapter->recvinfo;
|
|
if (!pattrib->qos || !preorder_ctrl || preorder_ctrl->enable == _FALSE)
|
goto _success_exit;
|
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_indicate_reoder);
|
|
_rtw_spinlock_bh(&ppending_recvframe_queue->lock);
|
|
if(rtw_test_and_clear_bit(RTW_RECV_ACK_OR_TIMEOUT, &preorder_ctrl->rec_abba_rsp_ack))
|
preorder_ctrl->indicate_seq = 0xFFFF;
|
#ifdef DBG_RX_SEQ
|
RTW_INFO("DBG_RX_SEQ %s:preorder_ctrl->rec_abba_rsp_ack = %u,indicate_seq = %d\n"
|
, __func__
|
, preorder_ctrl->rec_abba_rsp_ack
|
, preorder_ctrl->indicate_seq);
|
#endif
|
|
/* s2. check if winstart_b(indicate_seq) needs to been updated */
|
if (!check_indicate_seq(preorder_ctrl, pattrib->seq_num)) {
|
precvinfo->dbg_rx_ampdu_drop_count++;
|
/* pHTInfo->RxReorderDropCounter++; */
|
/* ReturnRFDList(adapter, pRfd); */
|
/* _rtw_spinunlock_irq(&ppending_recvframe_queue->lock, sp_flags); */
|
/* return _FAIL; */
|
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" check_indicate_seq fail\n"
|
, FUNC_ADPT_ARG(padapter));
|
#endif
|
#if 0
|
rtw_recv_indicatepkt(padapter, prframe);
|
|
_rtw_spinunlock_bh(&ppending_recvframe_queue->lock);
|
|
goto _success_exit;
|
#else
|
goto _err_exit;
|
#endif
|
}
|
|
|
/* s3. Insert all packet into Reorder Queue to maintain its ordering. */
|
if (!enqueue_reorder_recvframe(preorder_ctrl, prframe)) {
|
/* DbgPrint("recv_indicatepkt_reorder, enqueue_reorder_recvframe fail!\n"); */
|
/* _rtw_spinunlock_irq(&ppending_recvframe_queue->lock, sp_flags); */
|
/* return _FAIL; */
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" enqueue_reorder_recvframe fail\n"
|
, FUNC_ADPT_ARG(padapter));
|
#endif
|
goto _err_exit;
|
}
|
|
|
/* s4. */
|
/* Indication process. */
|
/* After Packet dropping and Sliding Window shifting as above, we can now just indicate the packets */
|
/* with the SeqNum smaller than latest WinStart and buffer other packets. */
|
/* */
|
/* For Rx Reorder condition: */
|
/* 1. All packets with SeqNum smaller than WinStart => Indicate */
|
/* 2. All packets with SeqNum larger than or equal to WinStart => Buffer it. */
|
/* */
|
|
/* recv_indicatepkts_in_order(padapter, preorder_ctrl, _TRUE); */
|
if (recv_indicatepkts_in_order(padapter, preorder_ctrl, _FALSE) == _TRUE) {
|
if (!preorder_ctrl->bReorderWaiting) {
|
preorder_ctrl->bReorderWaiting = _TRUE;
|
_set_timer(&preorder_ctrl->reordering_ctrl_timer, REORDER_WAIT_TIME);
|
}
|
_rtw_spinunlock_bh(&ppending_recvframe_queue->lock);
|
} else {
|
preorder_ctrl->bReorderWaiting = _FALSE;
|
_rtw_spinunlock_bh(&ppending_recvframe_queue->lock);
|
_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
|
}
|
|
return RTW_RX_HANDLED;
|
|
_success_exit:
|
|
return _SUCCESS;
|
|
_err_exit:
|
|
_rtw_spinunlock_bh(&ppending_recvframe_queue->lock);
|
|
return _FAIL;
|
}
|
|
|
void rtw_reordering_ctrl_timeout_handler(void *pcontext)
|
{
|
struct recv_reorder_ctrl *preorder_ctrl = (struct recv_reorder_ctrl *)pcontext;
|
_adapter *padapter = NULL;
|
_queue *ppending_recvframe_queue = NULL;
|
|
|
if (preorder_ctrl == NULL)
|
return;
|
|
padapter = preorder_ctrl->padapter;
|
if (RTW_CANNOT_RUN(adapter_to_dvobj(padapter)))
|
return;
|
|
ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
|
|
/* RTW_INFO("+rtw_reordering_ctrl_timeout_handler()=>\n"); */
|
|
_rtw_spinlock_bh(&ppending_recvframe_queue->lock);
|
|
preorder_ctrl->bReorderWaiting = _FALSE;
|
|
if (recv_indicatepkts_in_order(padapter, preorder_ctrl, _TRUE) == _TRUE)
|
_set_timer(&preorder_ctrl->reordering_ctrl_timer, REORDER_WAIT_TIME);
|
|
_rtw_spinunlock_bh(&ppending_recvframe_queue->lock);
|
|
}
|
#endif /* defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL) */
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24))
|
int recv_frame_monitor(_adapter *padapter, union recv_frame *rframe, struct rtw_recv_pkt *rx_req)
|
{
|
int ret = _SUCCESS;
|
|
#ifdef CONFIG_WIFI_MONITOR
|
struct net_device *ndev = padapter->pnetdev;
|
struct sk_buff *pskb = NULL;
|
|
if (rframe == NULL)
|
goto exit;
|
|
/* read skb information from recv frame */
|
pskb = rframe->u.hdr.pkt;
|
pskb->len = rframe->u.hdr.len;
|
pskb->data = rframe->u.hdr.rx_data;
|
skb_set_tail_pointer(pskb, rframe->u.hdr.len);
|
|
if (ndev->type == ARPHRD_IEEE80211_RADIOTAP) {
|
/* fill radiotap header */
|
if (rtw_fill_radiotap_hdr(padapter, rframe->u.hdr.adapter_link,
|
&rframe->u.hdr.attrib, rx_req, (u8 *)pskb) == _FAIL) {
|
ret = _FAIL;
|
goto exit;
|
}
|
}
|
|
/* write skb information to recv frame */
|
skb_reset_mac_header(pskb);
|
rframe->u.hdr.len = pskb->len;
|
rframe->u.hdr.rx_data = pskb->data;
|
rframe->u.hdr.rx_head = pskb->head;
|
rframe->u.hdr.rx_tail = skb_tail_pointer(pskb);
|
rframe->u.hdr.rx_end = skb_end_pointer(pskb);
|
|
if (!RTW_CANNOT_RUN(adapter_to_dvobj(padapter))) {
|
/* indicate this recv_frame */
|
ret = rtw_recv_monitor(padapter, rframe);
|
} else
|
ret = _FAIL;
|
|
exit:
|
#endif /* CONFIG_WIFI_MONITOR */
|
|
return ret;
|
}
|
#endif
|
|
#if 0
|
static void recv_set_iseq_before_mpdu_process(union recv_frame *rframe, u16 seq_num, const char *caller)
|
{
|
#if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
|
struct recv_reorder_ctrl *reorder_ctrl = rframe->u.hdr.preorder_ctrl;
|
|
if (reorder_ctrl) {
|
reorder_ctrl->indicate_seq = seq_num;
|
#ifdef DBG_RX_SEQ
|
RTW_INFO("DBG_RX_SEQ %s("ADPT_FMT")-B tid:%u indicate_seq:%d, seq_num:%d\n"
|
, caller, ADPT_ARG(reorder_ctrl->padapter)
|
, reorder_ctrl->tid, reorder_ctrl->indicate_seq, seq_num);
|
#endif
|
}
|
#endif
|
}
|
|
static void recv_set_iseq_after_mpdu_process(union recv_frame *rframe, u16 seq_num, const char *caller)
|
{
|
#if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
|
struct recv_reorder_ctrl *reorder_ctrl = rframe->u.hdr.preorder_ctrl;
|
|
if (reorder_ctrl) {
|
reorder_ctrl->indicate_seq = (reorder_ctrl->indicate_seq + 1) % 4096;
|
#ifdef DBG_RX_SEQ
|
RTW_INFO("DBG_RX_SEQ %s("ADPT_FMT")-A tid:%u indicate_seq:%d, seq_num:%d\n"
|
, caller, ADPT_ARG(reorder_ctrl->padapter)
|
, reorder_ctrl->tid, reorder_ctrl->indicate_seq, seq_num);
|
#endif
|
}
|
#endif
|
}
|
|
|
#ifdef CONFIG_MP_INCLUDED
|
int validate_mp_recv_frame(_adapter *adapter, union recv_frame *precv_frame)
|
{
|
int ret = _SUCCESS;
|
u8 *ptr = precv_frame->u.hdr.rx_data;
|
u8 type, subtype;
|
struct mp_priv *pmppriv = &adapter->mppriv;
|
struct mp_tx *pmptx;
|
unsigned char *sa , *da, *bs;
|
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
|
u32 i = 0;
|
u8 rtk_prefix[]={0x52, 0x65, 0x61, 0x6C, 0x4C, 0x6F, 0x76, 0x65, 0x54, 0x65, 0x6B};
|
u8 *prx_data;
|
pmptx = &pmppriv->tx;
|
|
|
if (pmppriv->mplink_brx == _FALSE) {
|
|
u8 bDumpRxPkt = 0;
|
type = GetFrameType(ptr);
|
subtype = get_frame_sub_type(ptr); /* bit(7)~bit(2) */
|
|
RTW_INFO("hdr len = %d iv_len=%d \n", pattrib->hdrlen , pattrib->iv_len);
|
prx_data = ptr + pattrib->hdrlen + pattrib->iv_len;
|
|
for (i = 0; i < precv_frame->u.hdr.len; i++) {
|
if (precv_frame->u.hdr.len < (11 + i))
|
break;
|
|
if (_rtw_memcmp(prx_data + i, (void *)&rtk_prefix, 11) == _FALSE) {
|
bDumpRxPkt = 0;
|
RTW_DBG("prx_data = %02X != rtk_prefix[%d] = %02X \n", *(prx_data + i), i , rtk_prefix[i]);
|
} else {
|
bDumpRxPkt = 1;
|
RTW_DBG("prx_data = %02X = rtk_prefix[%d] = %02X \n", *(prx_data + i), i , rtk_prefix[i]);
|
break;
|
}
|
}
|
|
if (bDumpRxPkt == 1) { /* dump all rx packets */
|
int i;
|
RTW_INFO("############ type:0x%02x subtype:0x%02x #################\n", type, subtype);
|
|
for (i = 0; i < precv_frame->u.hdr.len; i = i + 8)
|
RTW_INFO("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:\n", *(ptr + i),
|
*(ptr + i + 1), *(ptr + i + 2) , *(ptr + i + 3) , *(ptr + i + 4), *(ptr + i + 5), *(ptr + i + 6), *(ptr + i + 7));
|
RTW_INFO("#############################\n");
|
_rtw_memset(pmppriv->mplink_buf, '\0' , sizeof(pmppriv->mplink_buf));
|
_rtw_memcpy(pmppriv->mplink_buf, ptr, precv_frame->u.hdr.len);
|
pmppriv->mplink_rx_len = precv_frame->u.hdr.len;
|
pmppriv->mplink_brx =_TRUE;
|
}
|
}
|
if (pmppriv->bloopback) {
|
if (_rtw_memcmp(ptr + 24, pmptx->buf + 24, precv_frame->u.hdr.len - 24) == _FALSE) {
|
RTW_INFO("Compare payload content Fail !!!\n");
|
ret = _FAIL;
|
}
|
}
|
if (pmppriv->bSetRxBssid == _TRUE) {
|
|
sa = get_addr2_ptr(ptr);
|
da = GetAddr1Ptr(ptr);
|
bs = GetAddr3Ptr(ptr);
|
type = GetFrameType(ptr);
|
subtype = get_frame_sub_type(ptr); /* bit(7)~bit(2) */
|
|
if (_rtw_memcmp(bs, adapter->mppriv.network_macaddr, ETH_ALEN) == _FALSE)
|
ret = _FAIL;
|
|
RTW_DBG("############ type:0x%02x subtype:0x%02x #################\n", type, subtype);
|
RTW_DBG("A2 sa %02X:%02X:%02X:%02X:%02X:%02X \n", *(sa) , *(sa + 1), *(sa+ 2), *(sa + 3), *(sa + 4), *(sa + 5));
|
RTW_DBG("A1 da %02X:%02X:%02X:%02X:%02X:%02X \n", *(da) , *(da + 1), *(da+ 2), *(da + 3), *(da + 4), *(da + 5));
|
RTW_DBG("A3 bs %02X:%02X:%02X:%02X:%02X:%02X \n --------------------------\n", *(bs) , *(bs + 1), *(bs+ 2), *(bs + 3), *(bs + 4), *(bs + 5));
|
}
|
|
if (!adapter->mppriv.bmac_filter)
|
return ret;
|
|
if (_rtw_memcmp(get_addr2_ptr(ptr), adapter->mppriv.mac_filter, ETH_ALEN) == _FALSE)
|
ret = _FAIL;
|
|
return ret;
|
}
|
|
static sint MPwlanhdr_to_ethhdr(union recv_frame *precvframe)
|
{
|
sint rmv_len;
|
u16 eth_type, len;
|
u8 bsnaphdr;
|
u8 *psnap_type;
|
u8 mcastheadermac[] = {0x01, 0x00, 0x5e};
|
|
struct ieee80211_snap_hdr *psnap;
|
|
sint ret = _SUCCESS;
|
_adapter *adapter = precvframe->u.hdr.adapter;
|
|
u8 *ptr = get_recvframe_data(precvframe) ; /* point to frame_ctrl field */
|
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
|
|
|
if (pattrib->encrypt)
|
recvframe_pull_tail(precvframe, pattrib->icv_len);
|
|
psnap = (struct ieee80211_snap_hdr *)(ptr + pattrib->hdrlen + pattrib->iv_len);
|
psnap_type = ptr + pattrib->hdrlen + pattrib->iv_len + SNAP_SIZE;
|
/* convert hdr + possible LLC headers into Ethernet header */
|
/* eth_type = (psnap_type[0] << 8) | psnap_type[1]; */
|
if ((_rtw_memcmp(psnap, rtw_rfc1042_header, SNAP_SIZE) &&
|
(_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_IPX, 2) == _FALSE) &&
|
(_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_APPLETALK_AARP, 2) == _FALSE)) ||
|
/* eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) || */
|
_rtw_memcmp(psnap, rtw_bridge_tunnel_header, SNAP_SIZE)) {
|
/* remove RFC1042 or Bridge-Tunnel encapsulation and replace EtherType */
|
bsnaphdr = _TRUE;
|
} else {
|
/* Leave Ethernet header part of hdr and full payload */
|
bsnaphdr = _FALSE;
|
}
|
|
rmv_len = pattrib->hdrlen + pattrib->iv_len + (bsnaphdr ? SNAP_SIZE : 0);
|
len = precvframe->u.hdr.len - rmv_len;
|
|
|
_rtw_memcpy(ð_type, ptr + rmv_len, 2);
|
eth_type = ntohs((unsigned short)eth_type); /* pattrib->ether_type */
|
pattrib->eth_type = eth_type;
|
|
{
|
ptr = recvframe_pull(precvframe, (rmv_len - sizeof(struct ethhdr) + (bsnaphdr ? 2 : 0)));
|
}
|
|
_rtw_memcpy(ptr, pattrib->dst, ETH_ALEN);
|
_rtw_memcpy(ptr + ETH_ALEN, pattrib->src, ETH_ALEN);
|
|
if (!bsnaphdr) {
|
len = htons(len);
|
_rtw_memcpy(ptr + 12, &len, 2);
|
}
|
|
|
len = htons(pattrib->seq_num);
|
/* RTW_INFO("wlan seq = %d ,seq_num =%x\n",len,pattrib->seq_num); */
|
_rtw_memcpy(ptr + 12, &len, 2);
|
if (adapter->mppriv.bRTWSmbCfg == _TRUE) {
|
/* if(_rtw_memcmp(mcastheadermac, pattrib->dst, 3) == _TRUE) */ /* SimpleConfig Dest. */
|
/* _rtw_memcpy(ptr+ETH_ALEN, pattrib->bssid, ETH_ALEN); */
|
|
if (_rtw_memcmp(mcastheadermac, pattrib->bssid, 3) == _TRUE) /* SimpleConfig Dest. */
|
_rtw_memcpy(ptr, pattrib->bssid, ETH_ALEN);
|
|
}
|
|
|
return ret;
|
|
}
|
|
int mp_recv_frame(_adapter *padapter, union recv_frame *rframe)
|
{
|
int ret = _SUCCESS;
|
struct rx_pkt_attrib *pattrib = &rframe->u.hdr.attrib;
|
#ifdef CONFIG_MP_INCLUDED
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
struct mp_priv *pmppriv = &padapter->mppriv;
|
#endif /* CONFIG_MP_INCLUDED */
|
u8 type;
|
u8 *ptr = rframe->u.hdr.rx_data;
|
u8 *psa, *pda, *pbssid;
|
struct sta_info *psta = NULL;
|
DBG_COUNTER(padapter->rx_logs.core_rx_pre);
|
|
if ((check_fwstate(pmlmepriv, WIFI_ASOC_STATE) == _TRUE)) { /* &&(padapter->mppriv.check_mp_pkt == 0)) */
|
if (pattrib->crc_err == 1)
|
padapter->mppriv.rx_crcerrpktcount++;
|
else {
|
if (_SUCCESS == validate_mp_recv_frame(padapter, rframe))
|
padapter->mppriv.rx_pktcount++;
|
else
|
padapter->mppriv.rx_pktcount_filter_out++;
|
}
|
|
if (pmppriv->rx_bindicatePkt == _FALSE) {
|
ret = _FAIL;
|
rtw_free_recvframe(rframe);/* free this recv_frame */
|
goto exit;
|
} else {
|
type = GetFrameType(ptr);
|
pattrib->to_fr_ds = get_tofr_ds(ptr);
|
pattrib->frag_num = GetFragNum(ptr);
|
pattrib->seq_num = GetSequence(ptr);
|
pattrib->pw_save = GetPwrMgt(ptr);
|
pattrib->mfrag = GetMFrag(ptr);
|
pattrib->mdata = GetMData(ptr);
|
pattrib->privacy = GetPrivacy(ptr);
|
pattrib->order = GetOrder(ptr);
|
|
if (type == WIFI_DATA_TYPE) {
|
pda = get_da(ptr);
|
psa = get_sa(ptr);
|
pbssid = get_hdr_bssid(ptr);
|
|
_rtw_memcpy(pattrib->dst, pda, ETH_ALEN);
|
_rtw_memcpy(pattrib->src, psa, ETH_ALEN);
|
_rtw_memcpy(pattrib->bssid, pbssid, ETH_ALEN);
|
|
switch (pattrib->to_fr_ds) {
|
case 0:
|
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
|
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
|
ret = sta2sta_data_frame(padapter, rframe, &psta);
|
break;
|
|
case 1:
|
_rtw_memcpy(pattrib->ra, pda, ETH_ALEN);
|
_rtw_memcpy(pattrib->ta, pbssid, ETH_ALEN);
|
ret = ap2sta_data_frame(padapter, rframe, &psta);
|
break;
|
|
case 2:
|
_rtw_memcpy(pattrib->ra, pbssid, ETH_ALEN);
|
_rtw_memcpy(pattrib->ta, psa, ETH_ALEN);
|
ret = sta2ap_data_frame(padapter, rframe, &psta);
|
break;
|
case 3:
|
_rtw_memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
|
_rtw_memcpy(pattrib->ta, get_addr2_ptr(ptr), ETH_ALEN);
|
ret = _FAIL;
|
break;
|
default:
|
ret = _FAIL;
|
break;
|
}
|
|
if (ret != _SUCCESS) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" 2_data_frame fail: drop pkt\n"
|
, FUNC_ADPT_ARG(padapter));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
|
ret = MPwlanhdr_to_ethhdr(rframe);
|
|
if (ret != _SUCCESS) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" wlanhdr_to_ethhdr: drop pkt\n"
|
, FUNC_ADPT_ARG(padapter));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
if (!RTW_CANNOT_RUN(adapter_to_dvobj(padapter))) {
|
/* indicate this recv_frame */
|
ret = rtw_recv_indicatepkt(padapter, rframe);
|
if (ret != _SUCCESS) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" rtw_recv_indicatepkt fail!\n"
|
, FUNC_ADPT_ARG(padapter));
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
} else {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" bDriverStopped(%s) OR bSurpriseRemoved(%s)\n"
|
, FUNC_ADPT_ARG(padapter)
|
, dev_is_drv_stopped(adapter_to_dvobj(padapter)) ? "True" : "False"
|
, dev_is_surprise_removed(adapter_to_dvobj(padapter)) ? "True" : "False");
|
#endif
|
ret = _FAIL;
|
goto exit;
|
}
|
|
}
|
}
|
}
|
exit:
|
rtw_free_recvframe(rframee);/* free this recv_frame */
|
ret = _FAIL;
|
return ret;
|
|
}
|
#endif
|
|
int recv_func_prehandle(_adapter *padapter, union recv_frame *rframe)
|
{
|
int ret = _SUCCESS;
|
#ifdef DBG_RX_COUNTER_DUMP
|
struct rx_pkt_attrib *pattrib = &rframe->u.hdr.attrib;
|
#endif
|
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
|
|
#ifdef DBG_RX_COUNTER_DUMP
|
if (padapter->dump_rx_cnt_mode & DUMP_DRV_RX_COUNTER) {
|
if (pattrib->crc_err == 1)
|
padapter->drv_rx_cnt_crcerror++;
|
else
|
padapter->drv_rx_cnt_ok++;
|
}
|
#endif
|
|
#ifdef CONFIG_MP_INCLUDED
|
if (padapter->registrypriv.mp_mode == 1 || padapter->mppriv.bRTWSmbCfg == _TRUE) {
|
mp_recv_frame(padapter, rframe);
|
ret = _FAIL;
|
goto exit;
|
} else
|
#endif
|
{
|
/* check the frame crtl field and decache */
|
ret = validate_recv_frame(padapter, &rframe);
|
if (ret != _SUCCESS) {
|
rtw_free_recvframe(rframee);/* free this recv_frame */
|
goto exit;
|
}
|
}
|
exit:
|
return ret;
|
}
|
|
/*#define DBG_RX_BMC_FRAME*/
|
int recv_func_posthandle(_adapter *padapter, union recv_frame *prframe)
|
{
|
int ret = _SUCCESS;
|
union recv_frame *orig_prframe = prframe;
|
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
|
struct recv_info *precvinfo = &padapter->recvinfo;
|
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
|
#ifdef CONFIG_TDLS
|
u8 *psnap_type, *pcategory;
|
#endif /* CONFIG_TDLS */
|
|
DBG_COUNTER(padapter->rx_logs.core_rx_post);
|
|
prframe = decryptor(padapter, prframe);
|
if (prframe == NULL) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" decryptor: drop pkt\n"
|
, FUNC_ADPT_ARG(padapter));
|
#endif
|
ret = _FAIL;
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_decrypt_err);
|
goto _recv_data_drop;
|
}
|
|
#ifdef DBG_RX_BMC_FRAME
|
if (IS_MCAST(pattrib->ra))
|
RTW_INFO("%s =>"ADPT_FMT" Rx BC/MC from "MAC_FMT"\n", __func__, ADPT_ARG(padapter), MAC_ARG(pattrib->ta));
|
#endif
|
|
#if 0
|
if (is_primary_adapter(padapter)) {
|
RTW_INFO("+++\n");
|
{
|
int i;
|
u8 *ptr = get_recvframe_data(prframe);
|
for (i = 0; i < 140; i = i + 8)
|
RTW_INFO("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:", *(ptr + i),
|
*(ptr + i + 1), *(ptr + i + 2) , *(ptr + i + 3) , *(ptr + i + 4), *(ptr + i + 5), *(ptr + i + 6), *(ptr + i + 7));
|
|
}
|
RTW_INFO("---\n");
|
}
|
#endif
|
|
#ifdef CONFIG_TDLS
|
/* check TDLS frame */
|
psnap_type = get_recvframe_data(orig_prframe) + pattrib->hdrlen + pattrib->iv_len + SNAP_SIZE;
|
pcategory = psnap_type + ETH_TYPE_LEN + PAYLOAD_TYPE_LEN;
|
|
if ((_rtw_memcmp(psnap_type, SNAP_ETH_TYPE_TDLS, ETH_TYPE_LEN)) &&
|
((*pcategory == RTW_WLAN_CATEGORY_TDLS) || (*pcategory == RTW_WLAN_CATEGORY_P2P))) {
|
ret = OnTDLS(padapter, prframe);
|
if (ret == _FAIL)
|
goto _exit_recv_func;
|
}
|
#endif /* CONFIG_TDLS */
|
|
prframe = recvframe_chk_defrag(padapter, prframe);
|
if (prframe == NULL) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recvframe_chk_defrag: drop pkt\n"
|
, FUNC_ADPT_ARG(padapter));
|
#endif
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_defrag_err);
|
goto _recv_data_drop;
|
}
|
|
prframe = portctrl(padapter, prframe);
|
if (prframe == NULL) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" portctrl: drop pkt\n"
|
, FUNC_ADPT_ARG(padapter));
|
#endif
|
ret = _FAIL;
|
DBG_COUNTER(padapter->rx_logs.core_rx_post_portctrl_err);
|
goto _recv_data_drop;
|
}
|
|
count_rx_stats(padapter, prframe, NULL);
|
|
#ifdef CONFIG_WAPI_SUPPORT
|
rtw_wapi_update_info(padapter, prframe);
|
#endif
|
|
#if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
|
/* including perform A-MPDU Rx Ordering Buffer Control */
|
ret = recv_indicatepkt_reorder(padapter, prframe);
|
if (ret == _FAIL) {
|
rtw_free_recvframe(orig_prframe);
|
goto _recv_data_drop;
|
} else if (ret == RTW_RX_HANDLED) /* queued OR indicated in order */
|
goto _exit_recv_func;
|
#endif
|
|
recv_set_iseq_before_mpdu_process(prframe, pattrib->seq_num, __func__);
|
ret = recv_process_mpdu(padapter, prframe);
|
recv_set_iseq_after_mpdu_process(prframe, pattrib->seq_num, __func__);
|
if (ret == _FAIL)
|
goto _recv_data_drop;
|
|
_exit_recv_func:
|
return ret;
|
|
_recv_data_drop:
|
precvinfo->dbg_rx_drop_count++;
|
return ret;
|
}
|
|
int recv_func(_adapter *padapter, union recv_frame *rframe)
|
{
|
int ret;
|
struct rx_pkt_attrib *prxattrib = &rframe->u.hdr.attrib;
|
struct recv_priv *recvpriv = &padapter->recvpriv;
|
struct security_priv *psecuritypriv = &padapter->securitypriv;
|
struct mlme_priv *mlmepriv = &padapter->mlmepriv;
|
#ifdef CONFIG_CUSTOMER_ALIBABA_GENERAL
|
u8 type;
|
u8 *ptr = rframe->u.hdr.rx_data;
|
#endif
|
|
if (check_fwstate(mlmepriv, WIFI_MONITOR_STATE)) {
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24))
|
recv_frame_monitor(padapter, rframe);
|
#endif
|
ret = _SUCCESS;
|
goto exit;
|
}
|
|
#ifdef CONFIG_CUSTOMER_ALIBABA_GENERAL
|
type = GetFrameType(ptr);
|
if ((type == WIFI_DATA_TYPE)&& MLME_IS_STA(padapter)) {
|
struct wlan_network *cur_network = &(mlmepriv->cur_network);
|
if ( _rtw_memcmp(get_addr2_ptr(ptr), cur_network->network.MacAddress, ETH_ALEN)==0) {
|
recv_frame_monitor(padapter, rframe);
|
ret = _SUCCESS;
|
goto exit;
|
}
|
}
|
#endif
|
/* check if need to handle uc_swdec_pending_queue*/
|
if (MLME_IS_STA(padapter) && psecuritypriv->busetkipkey) {
|
union recv_frame *pending_frame;
|
int cnt = 0;
|
|
while ((pending_frame = rtw_alloc_recvframe(&recvpriv->uc_swdec_pending_queue))) {
|
cnt++;
|
DBG_COUNTER(padapter->rx_logs.core_rx_dequeue);
|
recv_func_posthandle(padapter, pending_frame);
|
}
|
|
if (cnt)
|
RTW_INFO(FUNC_ADPT_FMT" dequeue %d from uc_swdec_pending_queue\n",
|
FUNC_ADPT_ARG(padapter), cnt);
|
}
|
|
DBG_COUNTER(padapter->rx_logs.core_rx);
|
ret = recv_func_prehandle(padapter, rframe);
|
|
if (ret == _SUCCESS) {
|
|
/* check if need to enqueue into uc_swdec_pending_queue*/
|
if (MLME_IS_STA(padapter) &&
|
!IS_MCAST(prxattrib->ra) && prxattrib->encrypt > 0 &&
|
(prxattrib->bdecrypted == 0 || psecuritypriv->sw_decrypt == _TRUE) &&
|
psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPAPSK &&
|
!psecuritypriv->busetkipkey) {
|
DBG_COUNTER(padapter->rx_logs.core_rx_enqueue);
|
rtw_enqueue_recvframe(rframe, &recvpriv->uc_swdec_pending_queue);
|
/* RTW_INFO("%s: no key, enqueue uc_swdec_pending_queue\n", __func__); */
|
|
if (recvpriv->free_recvframe_cnt < NR_RECVFRAME / 4) {
|
/* to prevent from recvframe starvation, get recvframe from uc_swdec_pending_queue to free_recvframe_cnt */
|
rframe = rtw_alloc_recvframe(&padapter->recvpriv.uc_swdec_pending_queue);
|
if (rframe)
|
goto do_posthandle;
|
}
|
goto exit;
|
}
|
|
do_posthandle:
|
ret = recv_func_posthandle(padapter, rframe);
|
}
|
|
exit:
|
return ret;
|
}
|
|
s32 rtw_recv_entry(union recv_frame *precvframe)
|
{
|
_adapter *padapter;
|
struct recv_info *precvinfo;
|
s32 ret = _SUCCESS;
|
|
|
|
padapter = precvframe->u.hdr.adapter;
|
|
precvinfo = &padapter->recvinfo;
|
|
|
ret = recv_func(padapter, precvframe);
|
if (ret == _FAIL) {
|
goto _recv_entry_drop;
|
}
|
|
|
precvinfo->rx_pkts++;
|
|
|
return ret;
|
|
_recv_entry_drop:
|
|
#ifdef CONFIG_MP_INCLUDED
|
if (padapter->registrypriv.mp_mode == 1)
|
padapter->mppriv.rx_pktloss = precvinfo->rx_drop;
|
#endif
|
|
|
|
return ret;
|
}
|
#endif
|
|
#ifdef CONFIG_SIGNAL_STAT_PROCESS
|
static void rtw_signal_stat_timer_hdl(void *ctx)
|
{
|
_adapter *adapter = (_adapter *)ctx;
|
struct recv_info *recvinfo = &adapter->recvinfo;
|
/* ToDo CONFIG_RTW_MLD: currently primary link only */
|
struct _ADAPTER_LINK *adapter_link = GET_PRIMARY_LINK(adapter);
|
|
u32 tmp_s, tmp_q;
|
u8 avg_signal_strength = 0;
|
u8 avg_signal_qual = 0;
|
u32 num_signal_strength = 0;
|
u32 num_signal_qual = 0;
|
u8 ratio_pre_stat = 0, ratio_curr_stat = 0, ratio_total = 0, ratio_profile = SIGNAL_STAT_CALC_PROFILE_0;
|
|
if (recvinfo->is_signal_dbg) {
|
/* update the user specific value, signal_strength_dbg, to signal_strength, rssi */
|
recvinfo->signal_strength = recvinfo->signal_strength_dbg;
|
recvinfo->rssi = (s8)rtw_phl_rssi_to_dbm((u8)recvinfo->signal_strength_dbg);
|
} else {
|
|
if (recvinfo->signal_strength_data.update_req == 0) { /* update_req is clear, means we got rx */
|
avg_signal_strength = recvinfo->signal_strength_data.avg_val;
|
num_signal_strength = recvinfo->signal_strength_data.total_num;
|
/* after avg_vals are accquired, we can re-stat the signal values */
|
recvinfo->signal_strength_data.update_req = 1;
|
}
|
|
if (recvinfo->signal_qual_data.update_req == 0) { /* update_req is clear, means we got rx */
|
avg_signal_qual = recvinfo->signal_qual_data.avg_val;
|
num_signal_qual = recvinfo->signal_qual_data.total_num;
|
/* after avg_vals are accquired, we can re-stat the signal values */
|
recvinfo->signal_qual_data.update_req = 1;
|
}
|
|
if (num_signal_strength == 0) {
|
if (rtw_get_on_cur_ch_time(adapter) == 0
|
|| rtw_get_passing_time_ms(rtw_get_on_cur_ch_time(adapter)) < 2 * adapter_link->mlmeextpriv.mlmext_info.bcn_interval
|
)
|
goto set_timer;
|
}
|
|
if (check_fwstate(&adapter->mlmepriv, WIFI_UNDER_SURVEY) == _TRUE
|
|| check_fwstate(&adapter->mlmepriv, WIFI_ASOC_STATE) == _FALSE
|
)
|
goto set_timer;
|
|
#ifdef CONFIG_CONCURRENT_MODE
|
if (rtw_mi_buddy_check_fwstate(adapter, WIFI_UNDER_SURVEY) == _TRUE)
|
goto set_timer;
|
#endif
|
|
#ifdef CONFIG_MP_INCLUDED
|
if (adapter->registrypriv.mp_mode == 1) {
|
ratio_profile = SIGNAL_STAT_CALC_PROFILE_2;
|
}
|
else
|
#endif
|
if (RTW_SIGNAL_STATE_CALC_PROFILE < SIGNAL_STAT_CALC_PROFILE_MAX)
|
ratio_profile = RTW_SIGNAL_STATE_CALC_PROFILE;
|
|
ratio_pre_stat = signal_stat_calc_profile[ratio_profile][0];
|
ratio_curr_stat = signal_stat_calc_profile[ratio_profile][1];
|
ratio_total = ratio_pre_stat + ratio_curr_stat;
|
|
/* update value of signal_strength, rssi, signal_qual */
|
tmp_s = (ratio_curr_stat * avg_signal_strength + ratio_pre_stat * recvinfo->signal_strength);
|
if (tmp_s % ratio_total)
|
tmp_s = tmp_s / ratio_total + 1;
|
else
|
tmp_s = tmp_s / ratio_total;
|
if (tmp_s > PHL_MAX_RSSI)
|
tmp_s = PHL_MAX_RSSI;
|
|
tmp_q = (ratio_curr_stat * avg_signal_qual + ratio_pre_stat * recvinfo->signal_qual);
|
if (tmp_q % ratio_total)
|
tmp_q = tmp_q / ratio_total + 1;
|
else
|
tmp_q = tmp_q / ratio_total;
|
if (tmp_q > PHL_MAX_RSSI)
|
tmp_q = PHL_MAX_RSSI;
|
|
recvinfo->signal_strength = tmp_s;
|
recvinfo->rssi = (s8)rtw_phl_rssi_to_dbm(tmp_s);
|
recvinfo->signal_qual = tmp_q;
|
|
#if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1
|
RTW_INFO(FUNC_ADPT_FMT" signal_strength:%3u, rssi:%3d, signal_qual:%3u"
|
", num_signal_strength:%u, num_signal_qual:%u"
|
", on_cur_ch_ms:%d"
|
"\n"
|
, FUNC_ADPT_ARG(adapter)
|
, recvinfo->signal_strength
|
, recvinfo->rssi
|
, recvinfo->signal_qual
|
, num_signal_strength, num_signal_qual
|
, rtw_get_on_cur_ch_time(adapter) ? rtw_get_passing_time_ms(rtw_get_on_cur_ch_time(adapter)) : 0
|
);
|
#endif
|
}
|
|
set_timer:
|
rtw_set_signal_stat_timer(recvinfo);
|
|
}
|
#endif/*CONFIG_SIGNAL_STAT_PROCESS*/
|
|
/*
|
* Increase and check if the continual_no_rx_packet of this @param pmlmepriv is larger than MAX_CONTINUAL_NORXPACKET_COUNT
|
* @return _TRUE:
|
* @return _FALSE:
|
*/
|
int rtw_inc_and_chk_continual_no_rx_packet(struct sta_info *sta, int tid_index)
|
{
|
|
int ret = _FALSE;
|
int value = ATOMIC_INC_RETURN(&sta->continual_no_rx_packet[tid_index]);
|
|
if (value >= MAX_CONTINUAL_NORXPACKET_COUNT)
|
ret = _TRUE;
|
|
return ret;
|
}
|
|
/*
|
* Set the continual_no_rx_packet of this @param pmlmepriv to 0
|
*/
|
void rtw_reset_continual_no_rx_packet(struct sta_info *sta, int tid_index)
|
{
|
ATOMIC_SET(&sta->continual_no_rx_packet[tid_index], 0);
|
}
|
|
u8 adapter_allow_bmc_data_rx(_adapter *adapter)
|
{
|
if (check_fwstate(&adapter->mlmepriv, WIFI_MONITOR_STATE | WIFI_MP_STATE) == _TRUE)
|
return 1;
|
|
if (MLME_IS_AP(adapter))
|
return 0;
|
|
if (rtw_linked_check(adapter) == _FALSE)
|
return 0;
|
|
return 1;
|
}
|
#if 0
|
s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status)
|
{
|
s32 ret = _SUCCESS;
|
u8 *pbuf = precvframe->u.hdr.rx_data;
|
u8 *pda = get_ra(pbuf);
|
u8 ra_is_bmc = IS_MCAST(pda);
|
_adapter *primary_padapter = precvframe->u.hdr.adapter;
|
#ifdef CONFIG_CONCURRENT_MODE
|
_adapter *iface = NULL;
|
|
#ifdef CONFIG_MP_INCLUDED
|
if (rtw_mp_mode_check(primary_padapter))
|
goto bypass_concurrent_hdl;
|
#endif
|
|
if (ra_is_bmc == _FALSE) { /*unicast packets*/
|
iface = rtw_get_iface_by_macddr(primary_padapter , pda);
|
if (NULL == iface) {
|
#ifdef CONFIG_RTW_CFGVENDOR_RANDOM_MAC_OUI
|
if (_rtw_memcmp(pda, adapter_pno_mac_addr(primary_padapter),
|
ETH_ALEN) != _TRUE)
|
#endif
|
RTW_INFO("%s [WARN] Cannot find appropriate adapter - mac_addr : "MAC_FMT"\n", __func__, MAC_ARG(pda));
|
/*rtw_warn_on(1);*/
|
} else {
|
precvframe->u.hdr.adapter = iface;
|
}
|
} else { /* Handle BC/MC Packets*/
|
rtw_mi_buddy_clone_bcmc_packet(primary_padapter, precvframe, pphy_status);
|
}
|
#ifdef CONFIG_MP_INCLUDED
|
bypass_concurrent_hdl:
|
#endif
|
#endif /* CONFIG_CONCURRENT_MODE */
|
if (primary_padapter->registrypriv.mp_mode != 1) {
|
/* skip unnecessary bmc data frame for primary adapter */
|
if (ra_is_bmc == _TRUE && GetFrameType(pbuf) == WIFI_DATA_TYPE
|
&& !adapter_allow_bmc_data_rx(precvframe->u.hdr.adapter)
|
) {
|
rtw_free_recvframe(precvframe);
|
goto exit;
|
}
|
}
|
|
if (pphy_status) {
|
rx_query_phy_status(precvframe, pphy_status);
|
|
#ifdef CONFIG_WIFI_MONITOR
|
rx_query_moinfo(&precvframe->u.hdr.attrib, pphy_status);
|
#endif
|
}
|
ret = rtw_recv_entry(precvframe);
|
|
exit:
|
return ret;
|
}
|
#endif
|
|
|
#ifdef CONFIG_RECV_THREAD_MODE
|
thread_return rtw_recv_thread(thread_context context)
|
{
|
_adapter *adapter = (_adapter *)context;
|
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
|
struct recv_priv *recvpriv = &dvobj->recvpriv;
|
s32 err = _SUCCESS;
|
#ifdef RTW_RECV_THREAD_HIGH_PRIORITY
|
#ifdef PLATFORM_LINUX
|
struct sched_param param = { .sched_priority = 1 };
|
|
sched_setscheduler(current, SCHED_FIFO, ¶m);
|
#endif /* PLATFORM_LINUX */
|
#endif /*RTW_RECV_THREAD_HIGH_PRIORITY*/
|
rtw_thread_enter("RTW_RECV_THREAD");
|
|
RTW_INFO(FUNC_ADPT_FMT" enter\n", FUNC_ADPT_ARG(adapter));
|
|
do {
|
err = _rtw_down_sema(&recvpriv->recv_sema);
|
if (_FAIL == err) {
|
RTW_ERR(FUNC_ADPT_FMT" down recv_sema fail!\n", FUNC_ADPT_ARG(adapter));
|
goto exit;
|
}
|
|
if (RTW_CANNOT_RUN(adapter_to_dvobj(adapter))) {
|
RTW_DBG(FUNC_ADPT_FMT "- bDriverStopped(%s) bSurpriseRemoved(%s)\n",
|
FUNC_ADPT_ARG(adapter),
|
dev_is_drv_stopped(adapter_to_dvobj(adapter)) ? "True" : "False",
|
dev_is_surprise_removed(adapter_to_dvobj(adapter)) ? "True" : "False");
|
goto exit;
|
}
|
|
err = rtw_intf_recv_hdl(adapter);
|
|
if (err == RTW_RFRAME_UNAVAIL
|
|| err == RTW_RFRAME_PKT_UNAVAIL
|
) {
|
rtw_msleep_os(1);
|
_rtw_up_sema(&recvpriv->recv_sema);
|
}
|
|
flush_signals_thread();
|
|
} while (err != _FAIL);
|
|
exit:
|
|
RTW_INFO(FUNC_ADPT_FMT " Exit\n", FUNC_ADPT_ARG(adapter));
|
|
rtw_thread_wait_stop();
|
|
return 0;
|
}
|
#endif /* CONFIG_RECV_THREAD_MODE */
|
|
#ifdef CONFIG_USB_HCI
|
u8 rtw_init_lite_recv_resource(struct dvobj_priv *dvobj)
|
{
|
u8 ret = _SUCCESS;
|
u32 literecvbuf_nr = RTW_LITERECVBUF_NR;
|
struct lite_data_buf *literecvbuf;
|
struct trx_data_buf_q *literecvbuf_q = &dvobj->literecvbuf_q;
|
int i;
|
struct data_urb *recvurb;
|
struct trx_urb_buf_q *recv_urb_q = &dvobj->recv_urb_q;
|
u32 recvurb_nr = RTW_RECVURB_NR;
|
#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
|
struct lite_data_buf *intinbuf;
|
struct trx_data_buf_q *intin_buf_q = &dvobj->intin_buf_q;
|
u32 intin_buf_nr = RTW_INTINBUF_NR;
|
struct data_urb *intin_urb;
|
struct trx_urb_buf_q *intin_urb_q = &dvobj->intin_urb_q;
|
u32 intin_urb_nr = RTW_INTINURB_NR;
|
#endif
|
|
/* init lite_recv_buf */
|
_rtw_init_queue(&literecvbuf_q->free_data_buf_queue);
|
|
literecvbuf_q->alloc_data_buf =
|
rtw_zvmalloc(literecvbuf_nr * sizeof(struct lite_data_buf) + 4);
|
|
if (literecvbuf_q->alloc_data_buf == NULL) {
|
ret = _FAIL;
|
goto exit;
|
}
|
|
literecvbuf_q->data_buf=
|
(u8 *)N_BYTE_ALIGNMENT((SIZE_PTR)(literecvbuf_q->alloc_data_buf), 4);
|
|
literecvbuf = (struct lite_data_buf *)literecvbuf_q->data_buf;
|
|
for (i = 0; i < literecvbuf_nr; i++) {
|
_rtw_init_listhead(&literecvbuf->list);
|
rtw_list_insert_tail(&literecvbuf->list,
|
&(literecvbuf_q->free_data_buf_queue.queue));
|
literecvbuf++;
|
}
|
literecvbuf_q->free_data_buf_cnt = literecvbuf_nr;
|
|
/* init recv_urb */
|
_rtw_init_queue(&recv_urb_q->free_urb_buf_queue);
|
recv_urb_q->alloc_urb_buf=
|
rtw_zvmalloc(recvurb_nr * sizeof(struct data_urb) + 4);
|
if (recv_urb_q->alloc_urb_buf== NULL) {
|
ret = _FAIL;
|
goto exit;
|
}
|
|
recv_urb_q->urb_buf =
|
(u8 *)N_BYTE_ALIGNMENT((SIZE_PTR)(recv_urb_q->alloc_urb_buf), 4);
|
|
recvurb = (struct data_urb *)recv_urb_q->urb_buf;
|
for (i = 0; i < recvurb_nr; i++) {
|
_rtw_init_listhead(&recvurb->list);
|
ret = rtw_os_urb_resource_alloc(recvurb);
|
rtw_list_insert_tail(&recvurb->list,
|
&(recv_urb_q->free_urb_buf_queue.queue));
|
recvurb++;
|
}
|
recv_urb_q->free_urb_buf_cnt = recvurb_nr;
|
ATOMIC_SET(&(dvobj->rx_pending_cnt), 0);
|
|
#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
|
|
/* init int_in_buf */
|
_rtw_init_queue(&intin_buf_q->free_data_buf_queue);
|
|
intin_buf_q->alloc_data_buf =
|
rtw_zvmalloc(intin_buf_nr * sizeof(struct lite_data_buf) + 4);
|
|
if (intin_buf_q->alloc_data_buf == NULL) {
|
ret = _FAIL;
|
goto exit;
|
}
|
|
intin_buf_q->data_buf=
|
(u8 *)N_BYTE_ALIGNMENT((SIZE_PTR)(intin_buf_q->alloc_data_buf), 4);
|
|
intinbuf = (struct lite_data_buf *)intin_buf_q->data_buf;
|
|
for (i = 0; i < intin_buf_nr; i++) {
|
_rtw_init_listhead(&intinbuf->list);
|
rtw_list_insert_tail(&intinbuf->list,
|
&(intin_buf_q->free_data_buf_queue.queue));
|
intinbuf++;
|
}
|
intin_buf_q->free_data_buf_cnt = intin_buf_nr;
|
|
/* init int_in_urb */
|
_rtw_init_queue(&intin_urb_q->free_urb_buf_queue);
|
intin_urb_q->alloc_urb_buf=
|
rtw_zvmalloc(intin_urb_nr * sizeof(struct data_urb) + 4);
|
if (intin_urb_q->alloc_urb_buf== NULL) {
|
ret = _FAIL;
|
goto exit;
|
}
|
|
intin_urb_q->urb_buf =
|
(u8 *)N_BYTE_ALIGNMENT((SIZE_PTR)(intin_urb_q->alloc_urb_buf), 4);
|
|
intin_urb = (struct data_urb *)intin_urb_q->urb_buf;
|
for (i = 0; i < intin_urb_nr; i++) {
|
_rtw_init_listhead(&intin_urb->list);
|
ret = rtw_os_urb_resource_alloc(intin_urb);
|
rtw_list_insert_tail(&intin_urb->list,
|
&(intin_urb_q->free_urb_buf_queue.queue));
|
intin_urb++;
|
}
|
intin_urb_q->free_urb_buf_cnt = intin_urb_nr;
|
#endif
|
|
exit:
|
return ret;
|
}
|
|
void rtw_free_lite_recv_resource(struct dvobj_priv *dvobj)
|
{
|
u8 ret = _SUCCESS;
|
u32 literecvbuf_nr = RTW_LITERECVBUF_NR;
|
struct lite_data_buf *literecvbuf;
|
struct trx_data_buf_q *literecvbuf_q = &dvobj->literecvbuf_q;
|
int i;
|
struct data_urb *recvurb;
|
struct trx_urb_buf_q *recv_urb_q = &dvobj->recv_urb_q;
|
u32 recvurb_nr = RTW_RECVURB_NR;
|
#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
|
struct lite_data_buf *intinbuf;
|
struct trx_data_buf_q *intin_buf_q = &dvobj->intin_buf_q;
|
u32 intin_buf_nr = RTW_INTINBUF_NR;
|
struct data_urb *intin_urb;
|
struct trx_urb_buf_q *intin_urb_q = &dvobj->intin_urb_q;
|
u32 intin_urb_nr = RTW_INTINURB_NR;
|
#endif
|
|
if (literecvbuf_q->alloc_data_buf)
|
rtw_vmfree(literecvbuf_q->alloc_data_buf,
|
literecvbuf_nr * sizeof(struct lite_data_buf) + 4);
|
|
recvurb = (struct data_urb *)recv_urb_q->urb_buf;
|
for (i = 0; i < recvurb_nr; i++) {
|
rtw_os_urb_resource_free(recvurb);
|
recvurb++;
|
}
|
|
if (recv_urb_q->alloc_urb_buf)
|
rtw_vmfree(recv_urb_q->alloc_urb_buf,
|
recvurb_nr * sizeof(struct data_urb) + 4);
|
|
#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
|
if (intin_buf_q->alloc_data_buf)
|
rtw_vmfree(intin_buf_q->alloc_data_buf,
|
intin_buf_nr * sizeof(struct lite_data_buf) + 4);
|
|
intin_urb = (struct data_urb *)intin_urb_q->urb_buf;
|
for (i = 0; i < intin_urb_nr; i++) {
|
rtw_os_urb_resource_free(intin_urb);
|
intin_urb++;
|
}
|
|
if (intin_urb_q->alloc_urb_buf)
|
rtw_vmfree(intin_urb_q->alloc_urb_buf,
|
intin_urb_nr * sizeof(struct data_urb) + 4);
|
#endif
|
}
|
#endif
|
|
#ifdef RTW_PHL_RX
|
void rx_dump_skb(struct sk_buff *skb)
|
{
|
int idx=0;
|
u8 *tmp=skb->data;
|
printk("===");
|
printk("[%s]skb=%p len=%d\n", __FUNCTION__, skb, skb->len);
|
|
#if 0
|
printk("data-tail=0x%x-0x%x(%d)\n",
|
skb->data, skb->tail, (skb->tail - skb->data));
|
printk("head-end=0x%x-0x%x(%d)\n",
|
skb->head, skb->end, (skb->end - skb->head));
|
#endif
|
|
for(idx=0; idx<skb->len; idx++){
|
printk("%02x ", tmp[idx]);
|
if(idx%20==19)
|
printk("\n");
|
}
|
printk("\n===\n");
|
}
|
|
void dump_rxreq(_adapter *adapter, union recv_frame *prframe)
|
{
|
|
|
}
|
|
void dump_recv_frame(_adapter *adapter, union recv_frame *prframe)
|
{
|
struct recv_frame_hdr *hdr = &(prframe->u.hdr);
|
struct rx_pkt_attrib *rxattr = &(prframe->u.hdr.attrib);
|
|
printk("[%s]prframe=0x%p len=%d\n", __FUNCTION__, prframe, hdr->len);
|
|
printk("head-tail=0x%p-0x%p\n", hdr->rx_head, hdr->rx_tail);
|
printk("data-end=0x%p-0x%p\n", hdr->rx_data, hdr->rx_end);
|
|
printk("dst=%pM\n", rxattr->dst);
|
printk("src=%pM\n", rxattr->src);
|
printk("ra=%pM\n", rxattr->ra);
|
printk("ta=%pM\n", rxattr->ta);
|
printk("bssid=%pM\n", rxattr->bssid);
|
}
|
|
void core_update_recvframe_pkt( union recv_frame *prframe, struct rtw_recv_pkt *rx_req)
|
{
|
struct rtw_pkt_buf_list *pkt = rx_req->pkt_list;
|
struct sk_buff *skb = prframe->u.hdr.pkt;
|
|
skb_reserve(skb, pkt->vir_addr - skb->data);
|
skb_put(skb, pkt->length);
|
|
prframe->u.hdr.rx_data = skb->data;
|
prframe->u.hdr.rx_tail = skb_tail_pointer(skb);
|
prframe->u.hdr.len = skb->len;
|
prframe->u.hdr.rx_head = skb->head;
|
prframe->u.hdr.rx_end = skb_end_pointer(skb);
|
|
return;
|
}
|
|
static int core_alloc_recvframe_pkt(union recv_frame *prframe,
|
struct rtw_recv_pkt *phlrx)
|
{
|
struct rtw_pkt_buf_list *pktbuf;
|
u8 shift_sz;
|
u32 alloc_sz;
|
struct sk_buff *pkt = NULL;
|
u8 *pbuf = NULL;
|
|
|
rtw_warn_on(phlrx->pkt_cnt > 1);
|
pktbuf = phlrx->pkt_list; /* &phlrx->pkt_list[0] */
|
|
/* For 8 bytes IP header alignment. */
|
if (phlrx->mdata.qos)
|
/* Qos data, wireless lan header length is 26 */
|
#ifdef CONFIG_RTW_RX_SKB_DATA_ALIGNMENT
|
shift_sz = 8;
|
#else
|
shift_sz = 6;
|
#endif
|
else
|
shift_sz = 0;
|
|
/*
|
* For first fragment packet, driver need allocate 1536 to
|
* defrag packet.
|
* And need 8 is for skb->data 8 bytes alignment.
|
* Round (1536 + shift_sz + 8) to 128 bytes alignment,
|
* and finally get 1664.
|
*/
|
alloc_sz = pktbuf->length;
|
if ((phlrx->mdata.more_frag == 1) && (phlrx->mdata.frag_num == 0)) {
|
if (alloc_sz <= 1650)
|
alloc_sz = 1664;
|
else
|
#ifdef CONFIG_RTW_RX_SKB_DATA_ALIGNMENT
|
alloc_sz += 16;
|
#else
|
alloc_sz += 14;
|
#endif
|
} else {
|
/*
|
* 6 is for IP header 8 bytes alignment in QoS packet case.
|
* 8 is for skb->data 4 bytes alignment.
|
*/
|
|
#ifdef CONFIG_RTW_RX_SKB_DATA_ALIGNMENT
|
alloc_sz += 16;
|
#else
|
alloc_sz += 14;
|
#endif
|
}
|
|
pkt = rtw_skb_alloc(alloc_sz);
|
if (!pkt) {
|
RTW_ERR("%s: alloc skb fail! sz=%u (mfrag=%u, frag_num=%u)\n",
|
__FUNCTION__, alloc_sz, phlrx->mdata.more_frag,
|
phlrx->mdata.frag_num);
|
return -1;
|
}
|
|
/* force pkt->data at 8-byte alignment address */
|
skb_reserve(pkt, 8 - ((SIZE_PTR)pkt->data & 7));
|
/* force ip_hdr at 8-byte alignment address according to shift_sz. */
|
skb_reserve(pkt, shift_sz);
|
pbuf = skb_put(pkt, pktbuf->length);
|
#ifdef CONFIG_RTW_NEON_MODE
|
kernel_neon_begin();
|
_rtw_neon_memcpy(pbuf, pktbuf->vir_addr, pktbuf->length);
|
kernel_neon_end();
|
#else
|
_rtw_memcpy(pbuf, pktbuf->vir_addr, pktbuf->length);
|
#endif
|
prframe->u.hdr.pkt = pkt;
|
prframe->u.hdr.rx_data = pkt->data;
|
prframe->u.hdr.rx_tail = skb_tail_pointer(pkt);
|
prframe->u.hdr.len = pkt->len;
|
prframe->u.hdr.rx_head = pkt->head;
|
prframe->u.hdr.rx_end = skb_end_pointer(pkt);
|
|
return 0;
|
}
|
|
void core_update_recvframe_mdata(union recv_frame *prframe, struct rtw_recv_pkt *rx_req)
|
{
|
struct rx_pkt_attrib *prxattrib = &prframe->u.hdr.attrib;
|
struct rtw_r_meta_data *mdata = &rx_req->mdata;
|
|
prxattrib->bdecrypted = !(mdata->sw_dec);
|
prxattrib->pkt_len = mdata->pktlen;
|
prxattrib->icv_err = mdata->icverr;
|
prxattrib->crc_err = mdata->crc32;
|
prxattrib->data_rate = mdata->rx_rate; /* enum rtw_data_rate */
|
prxattrib->gi_ltf = mdata->rx_gi_ltf;
|
#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
|
prxattrib->csum_valid = mdata->chksum_ofld_en;
|
prxattrib->csum_err = mdata->chksum_status;
|
#endif
|
/* when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith */
|
prxattrib->encrypt = rtw_sec_algo_phl2drv((enum rtw_enc_algo)mdata->sec_type);
|
|
#if 0 //todo
|
//Security (sw-decrypt & calculate payload offset)
|
u8 bdecrypted;
|
u8 encrypt; /* when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith */
|
u8 iv_len;
|
u8 icv_len;
|
u8 crc_err;
|
u8 icv_err;
|
#endif
|
prxattrib->addr_cam_vld = mdata->addr_cam_vld;
|
prxattrib->macid = mdata->macid;
|
#ifdef CONFIG_TDLS
|
prxattrib->is_tdls_frame = mdata->is_tdls_frame;
|
#endif
|
|
|
return;
|
}
|
|
#ifdef RTW_WKARD_CORE_RSSI_V1
|
static inline void _rx_process_ss_sq(_adapter *padapter, union recv_frame *prframe)
|
{
|
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
|
struct signal_stat *ss = &padapter->recvinfo.signal_strength_data;
|
struct signal_stat *sq = &padapter->recvinfo.signal_qual_data;
|
|
if (ss->update_req) {
|
ss->total_num = 0;
|
ss->total_val = 0;
|
ss->update_req = 0;
|
}
|
|
ss->total_num++;
|
ss->total_val += pattrib->phy_info.signal_strength;
|
ss->avg_val = ss->total_val / ss->total_num;
|
|
if (sq->update_req) {
|
sq->total_num = 0;
|
sq->total_val = 0;
|
sq->update_req = 0;
|
}
|
|
sq->total_num++;
|
sq->total_val += pattrib->phy_info.signal_quality;
|
sq->avg_val = sq->total_val / sq->total_num;
|
}
|
|
/*#define DBG_RECV_INFO*/
|
void rx_process_phy_info(union recv_frame *precvframe)
|
{
|
_adapter *padapter = precvframe->u.hdr.adapter;
|
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
|
struct phydm_phyinfo_struct *phy_info = &pattrib->phy_info;
|
u8 *wlanhdr = NULL;
|
u8 *ta, *ra;
|
u8 is_ra_bmc;
|
struct sta_priv *pstapriv;
|
struct sta_info *psta = NULL;
|
struct recv_info *precvinfo = &padapter->recvinfo;
|
|
bool is_packet_match_bssid = _FALSE;
|
bool is_packet_to_self = _FALSE;
|
bool is_packet_beacon = _FALSE;
|
|
wlanhdr = precvframe->u.hdr.rx_data;
|
ta = get_ta(wlanhdr);
|
ra = get_ra(wlanhdr);
|
is_ra_bmc = IS_MCAST(ra);
|
|
if (_rtw_memcmp(adapter_mac_addr(padapter), ta, ETH_ALEN) == _TRUE) {
|
static systime start_time = 0;
|
|
#if 0 /*For debug */
|
if (IsFrameTypeCtrl(wlanhdr)) {
|
RTW_INFO("-->Control frame: Y\n");
|
RTW_INFO("-->pkt_len: %d\n", pattrib->pkt_len);
|
RTW_INFO("-->Sub Type = 0x%X\n", get_frame_sub_type(wlanhdr));
|
}
|
|
/* Dump first 40 bytes of header */
|
int i = 0;
|
|
for (i = 0; i < 40; i++)
|
RTW_INFO("%d: %X\n", i, *((u8 *)wlanhdr + i));
|
|
RTW_INFO("\n");
|
#endif
|
|
if ((start_time == 0) || (rtw_get_passing_time_ms(start_time) > 5000)) {
|
RTW_ERR("Warning!!! %s: Confilc mac addr!!\n", __func__);
|
start_time = rtw_get_current_time();
|
}
|
precvinfo->dbg_rx_conflic_mac_addr_cnt++;
|
return;
|
}
|
|
pstapriv = &padapter->stapriv;
|
psta = precvframe->u.hdr.psta;
|
|
is_packet_match_bssid = (!IsFrameTypeCtrl(wlanhdr))
|
&& (!pattrib->icv_err) && (!pattrib->crc_err)
|
&& ((!MLME_IS_MESH(padapter) && _rtw_memcmp(get_hdr_bssid(wlanhdr), get_bssid(&padapter->mlmepriv), ETH_ALEN))
|
|| (MLME_IS_MESH(padapter) && psta));
|
|
/*is_to_self = (!pattrib->icv_err) && (!pattrib->crc_err)
|
&& _rtw_memcmp(ra, adapter_mac_addr(padapter), ETH_ALEN);*/
|
|
is_packet_to_self = is_packet_match_bssid
|
&& _rtw_memcmp(ra, adapter_mac_addr(padapter), ETH_ALEN);
|
|
is_packet_beacon = is_packet_match_bssid
|
&& (get_frame_sub_type(wlanhdr) == WIFI_BEACON);
|
|
|
if (psta && IsFrameTypeData(wlanhdr)) {
|
|
|
if (is_ra_bmc)
|
psta->curr_rx_rate_bmc = pattrib->data_rate;
|
else {
|
psta->curr_rx_rate = pattrib->data_rate;
|
psta->curr_rx_gi_ltf = pattrib->gi_ltf;
|
}
|
}
|
|
#if 0
|
/* If bw is initial value, get from phy status */
|
if (pattrib->bw == CHANNEL_WIDTH_MAX)
|
pattrib->bw = p_phy_info->band_width;
|
#endif
|
#ifdef DBG_RECV_INFO
|
RTW_INFO("%s match_bssid:%d, to_self:%d, is_beacon:%d",
|
__func__, is_packet_match_bssid, is_packet_to_self, is_packet_beacon);
|
|
RTW_INFO("hdr_bssid:"MAC_FMT" my_bssid:"MAC_FMT"\n",
|
MAC_ARG(get_hdr_bssid(wlanhdr)),
|
MAC_ARG(get_bssid(&padapter->mlmepriv)));
|
|
RTW_INFO("ra:"MAC_FMT" my_addr:"MAC_FMT"\n",
|
MAC_ARG(ra),
|
MAC_ARG(adapter_mac_addr(padapter)));
|
|
#endif
|
precvframe->u.hdr.psta = NULL;
|
if (padapter->registrypriv.mp_mode != 1) {
|
if ((!MLME_IS_MESH(padapter) && is_packet_match_bssid)
|
|| (MLME_IS_MESH(padapter) && psta)) {
|
if (psta) {
|
precvframe->u.hdr.psta = psta;
|
#ifdef DBG_RX_DFRAME_RAW_DATA
|
rx_process_dframe_raw_data(precvframe);
|
#endif
|
}
|
if (phy_info->is_valid)
|
_rx_process_ss_sq(padapter, precvframe);/*signal_strength & signal_quality*/
|
} else if (is_packet_to_self || is_packet_beacon) {
|
if (psta) {
|
precvframe->u.hdr.psta = psta;
|
#ifdef DBG_RX_DFRAME_RAW_DATA
|
rx_process_dframe_raw_data(precvframe);
|
#endif
|
}
|
if (phy_info->is_valid)
|
_rx_process_ss_sq(padapter, precvframe);/*signal_strength & signal_quality*/
|
}
|
}
|
#ifdef CONFIG_MP_INCLUDED
|
else {
|
padapter->mppriv.rx_rate = pattrib->data_rate;
|
if (padapter->mppriv.brx_filter_beacon == _TRUE) {
|
if (is_packet_beacon) {
|
RTW_INFO("in MP Rx is_packet_beacon\n");
|
if (psta)
|
precvframe->u.hdr.psta = psta;
|
_rx_process_ss_sq(padapter, precvframe);
|
}
|
} else {
|
if (psta)
|
precvframe->u.hdr.psta = psta;
|
_rx_process_ss_sq(padapter, precvframe);
|
}
|
}
|
#endif
|
}
|
|
|
/*#define DBG_PHY_INFO*/
|
void core_update_recvframe_phyinfo(union recv_frame *prframe, struct rtw_recv_pkt *rx_req)
|
{
|
struct rx_pkt_attrib *attrib = &prframe->u.hdr.attrib;
|
struct rtw_phl_ppdu_phy_info *phy_info = &rx_req->phy_info;
|
u8 ptype, pstype;
|
int i;
|
|
_rtw_memset(&attrib->phy_info, 0, sizeof(struct phydm_phyinfo_struct));
|
|
ptype = phy_info->frame_type & 0x03;
|
pstype = phy_info->frame_type >> 2;
|
|
#ifdef DBG_PHY_INFO
|
{
|
u8 type, subtype;
|
u8 *ptr = prframe->u.hdr.rx_data;
|
|
type = GetFrameType(ptr) >> 2;
|
subtype = get_frame_sub_type(ptr) >> 4; /* bit(7)~bit(2) */
|
if ((type != WIFI_CTRL_TYPE) && (ptype != type || pstype != subtype)) {
|
RTW_INFO("[DBG-PHY-INFO]- FT:0x%02x, FST:0x%02x\t", type, subtype);
|
RTW_INFO("A1:"MAC_FMT" A2:"MAC_FMT" A3:"MAC_FMT"\n",
|
MAC_ARG(GetAddr1Ptr(ptr)),
|
MAC_ARG(get_addr2_ptr(ptr)),
|
MAC_ARG(GetAddr3Ptr(ptr)));
|
}
|
}
|
#endif
|
|
if (phy_info->is_valid) {
|
attrib->phy_info.is_valid = true;
|
attrib->phy_info.signal_strength = phy_info->rssi;
|
attrib->phy_info.signal_quality = phy_info->rssi;
|
attrib->phy_info.recv_signal_power = rtw_phl_rssi_to_dbm(phy_info->rssi);
|
attrib->ch = phy_info->ch_idx;
|
/* snr info */
|
attrib->phy_info.snr_fd_avg = phy_info->snr_fd_avg;
|
attrib->phy_info.snr_td_avg = phy_info->snr_td_avg;
|
for ( i = 0; i < RTW_PHL_MAX_RF_PATH; i++) {
|
attrib->phy_info.rx_pwr[i] = phy_info->rssi_path[i];
|
attrib->phy_info.snr_fd[i] = phy_info->snr_fd[i];
|
attrib->phy_info.snr_td[i] = phy_info->snr_td[i];
|
}
|
|
#ifdef DBG_PHY_INFO
|
RTW_INFO("[PHY-INFO] ft:0x%02x-0x%02x rssi:%d, ch_idx:%d, tx_bf:%d\n",
|
ptype, pstype, phy_info->rssi, phy_info->ch_idx, phy_info->tx_bf);
|
|
RTW_INFO("[PHY-INFO] ss:%d sq:%d rssi:%d\n",
|
attrib->phy_info.signal_strength,
|
attrib->phy_info.signal_quality,
|
attrib->phy_info.recv_signal_power);
|
#endif
|
|
} else {
|
#ifdef DBG_PHY_INFO
|
RTW_INFO("[PHY-INFO-INVALID] ftype:0x%02x-0x%02x rssi:%d, ch_idx:%d, tx_bf:%d\n",
|
ptype, pstype, phy_info->rssi, phy_info->ch_idx, phy_info->tx_bf);
|
#endif
|
}
|
}
|
#endif /*RTW_WKARD_CORE_RSSI_V1*/
|
|
s32 core_rx_process_amsdu(_adapter *adapter, union recv_frame **pprframe)
|
{
|
if (amsdu_to_msdu(adapter, pprframe) != _SUCCESS)
|
return CORE_RX_DROP;
|
|
return CORE_RX_DONE;
|
}
|
|
s32 core_rx_process_msdu(_adapter *adapter, union recv_frame **pprframe)
|
{
|
union recv_frame *prframe = *pprframe;
|
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
|
u8 *msdu = get_recvframe_data(prframe)
|
+ pattrib->hdrlen + pattrib->iv_len + RATTRIB_GET_MCTRL_LEN(pattrib);
|
u16 msdu_len = prframe->u.hdr.len
|
- pattrib->hdrlen - pattrib->iv_len - RATTRIB_GET_MCTRL_LEN(pattrib)
|
- (pattrib->encrypt ? pattrib->icv_len : 0);
|
enum rtw_rx_llc_hdl llc_hdl = rtw_recv_llc_parse(msdu, msdu_len);
|
int act = RTW_RX_MSDU_ACT_INDICATE;
|
|
#if defined(CONFIG_AP_MODE)
|
struct xmit_frame *fwd_frame = NULL;
|
_list f_list;
|
|
if (MLME_IS_AP(adapter))
|
act = rtw_ap_rx_msdu_act_check(prframe, pattrib->dst, pattrib->src
|
, msdu, llc_hdl, &fwd_frame, &f_list);
|
if (!act)
|
return CORE_RX_DROP;
|
#endif
|
|
if(wlanhdr_to_ethhdr(prframe, llc_hdl) != _SUCCESS) {
|
if (act & RTW_RX_MSDU_ACT_INDICATE) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" wlanhdr_to_ethhdr: drop pkt\n"
|
, FUNC_ADPT_ARG(adapter));
|
#endif
|
}
|
|
#if defined(CONFIG_AP_MODE)
|
if (act & RTW_RX_MSDU_ACT_FORWARD) {
|
#ifdef DBG_TX_DROP_FRAME
|
RTW_INFO("DBG_TX_DROP_FRAME %s wlanhdr_to_ethhdr fail\n", __func__);
|
#endif
|
recv_free_fwd_resource(adapter, fwd_frame, &f_list);
|
}
|
#endif
|
return CORE_RX_DROP;
|
}
|
|
#if defined(CONFIG_AP_MODE)
|
if (act & RTW_RX_MSDU_ACT_FORWARD) {
|
recv_fwd_pkt_hdl(adapter, prframe->u.hdr.pkt, act, fwd_frame, &f_list);
|
if (!(act & RTW_RX_MSDU_ACT_INDICATE)) {
|
prframe->u.hdr.pkt = NULL;
|
rtw_free_recvframe(prframe);
|
*pprframe = NULL;
|
return CORE_RX_DONE;
|
}
|
}
|
#endif
|
|
if (rtw_recv_indicatepkt_check(prframe,
|
get_recvframe_data(prframe), get_recvframe_len(prframe)) != _SUCCESS)
|
return CORE_RX_DROP;
|
|
if (rtw_recv_indicatepkt(adapter, prframe) != _SUCCESS) {
|
*pprframe = NULL;
|
return CORE_RX_DROP;
|
}
|
|
return CORE_RX_DONE;
|
}
|
|
|
s32 rtw_core_rx_data_post_process(_adapter *adapter, union recv_frame **pprframe)
|
{
|
union recv_frame *prframe = *pprframe;
|
//amsdu
|
//make eth hdr
|
//forward
|
|
//recv_process_mpdu
|
//amsdu_to_msdu
|
//wlanhdr_to_ethhdr
|
//rtw_recv_indicatepkt_check
|
//rtw_recv_indicatepkt
|
|
|
//todo hw amsdu
|
if (prframe->u.hdr.attrib.amsdu)
|
return core_rx_process_amsdu(adapter, pprframe);
|
else
|
return core_rx_process_msdu(adapter, pprframe);
|
|
}
|
|
|
s32 rtw_core_rx_data_pre_process(_adapter *adapter, union recv_frame **prframe)
|
{
|
//recv_func_posthandle
|
//decryptor
|
//portctrl
|
//count_rx_stats
|
#ifdef CONFIG_TDLS
|
#endif
|
#ifdef DBG_RX_BMC_FRAME
|
#endif
|
#ifdef CONFIG_WAPI_SUPPORT
|
#endif
|
|
union recv_frame * ret_frame = NULL;
|
|
s32 ret = CORE_RX_CONTINUE;
|
|
ret_frame = decryptor(adapter, *prframe);
|
if (ret_frame == NULL)
|
return CORE_RX_DROP;
|
else
|
*prframe = ret_frame;
|
|
ret = recvframe_chk_defrag(adapter, prframe);
|
if (ret != CORE_RX_CONTINUE) {
|
if (ret == CORE_RX_DROP) {
|
#ifdef DBG_RX_DROP_FRAME
|
RTW_INFO("DBG_RX_DROP_FRAME "FUNC_ADPT_FMT" recvframe_chk_defrag: drop pkt\n"
|
, FUNC_ADPT_ARG(adapter));
|
#endif
|
DBG_COUNTER(adapter->rx_logs.core_rx_post_defrag_err);
|
}
|
return ret;
|
}
|
|
/* Rx TKIP MIC */
|
if ((*prframe)->u.hdr.attrib.privacy) {
|
if (recvframe_chkmic(adapter, *prframe) == _FAIL) {
|
return CORE_RX_DROP;
|
}
|
}
|
|
ret_frame = portctrl(adapter, *prframe);
|
if (ret_frame == NULL)
|
return CORE_RX_DROP;
|
else
|
*prframe = ret_frame;
|
|
count_rx_stats(adapter, *prframe, NULL);
|
|
#ifdef CONFIG_WAPI_SUPPORT
|
rtw_wapi_update_info(adapter, *prframe);
|
#endif
|
|
return CORE_RX_CONTINUE;
|
}
|
|
s32 rtw_core_update_recvframe(struct dvobj_priv *dvobj,
|
union recv_frame *prframe, struct rtw_recv_pkt *rx_req)
|
{
|
u8 *pbuf = NULL;
|
u8 *pda = NULL;
|
_adapter *iface = NULL;
|
u8 is_bmc = _FALSE;
|
enum rtw_core_rx_state rx_state = CORE_RX_CONTINUE;
|
_adapter *primary_padapter = dvobj_get_primary_adapter(dvobj);
|
int err;
|
struct mlme_priv *pmlmepriv = NULL;
|
|
if (rx_req->mdata.bc || rx_req->mdata.mc)
|
is_bmc = _TRUE;
|
|
//pre_recv_entry
|
//rtw_get_iface_by_macddr
|
if (rx_req->os_priv) {
|
prframe->u.hdr.pkt = rx_req->os_priv; /*skb*/
|
core_update_recvframe_pkt(prframe, rx_req);
|
} else {
|
err = core_alloc_recvframe_pkt(prframe, rx_req);
|
if (err) {
|
rx_state = CORE_RX_FAIL;
|
goto exit;
|
}
|
}
|
|
core_update_recvframe_mdata(prframe, rx_req);
|
#ifdef RTW_WKARD_CORE_RSSI_V1
|
core_update_recvframe_phyinfo(prframe, rx_req);
|
#endif
|
|
prframe->u.hdr.adapter = primary_padapter;
|
prframe->u.hdr.pkt->dev = primary_padapter->pnetdev;
|
|
if (!is_bmc) {
|
pbuf = prframe->u.hdr.rx_data;
|
pda = get_ra(pbuf);
|
iface = rtw_get_iface_by_macddr(primary_padapter, pda);
|
if(iface) {
|
prframe->u.hdr.adapter = iface;
|
prframe->u.hdr.pkt->dev = iface->pnetdev;
|
/* ToDo CONFIG_RTW_MLD: TBD to see if there is direct info from mdata */
|
if (rx_req->rx_rlink)
|
prframe->u.hdr.adapter_link = GET_LINK(iface, rx_req->rx_rlink->id);
|
else
|
prframe->u.hdr.adapter_link = GET_PRIMARY_LINK(iface);
|
}
|
else {
|
#if 0 /*#ifdef CONFIG_RTW_CFGVENDOR_RANDOM_MAC_OUI - TODO*/
|
if (_rtw_memcmp(ra, adapter_pno_mac_addr(primary_padapter), ETH_ALEN))
|
goto query_phy_status;
|
#endif
|
|
#ifdef CONFIG_RTW_MULTI_AP
|
/* unasoc STA RCPI */
|
if (rtw_unassoc_sta_src_chk(primary_padapter, UNASOC_STA_SRC_RX_NMY_UC) &&
|
prframe->u.hdr.attrib.phy_info.recv_signal_power != 0) {
|
rtw_rx_add_unassoc_sta(primary_padapter, UNASOC_STA_SRC_RX_NMY_UC,
|
get_ta(pbuf), prframe->u.hdr.attrib.phy_info.recv_signal_power);
|
/* ToDo CONFIG_RTW_MLD: TBD to see if there is direct info from mdata */
|
if (rx_req->rx_rlink)
|
prframe->u.hdr.adapter_link = GET_LINK(primary_padapter, rx_req->rx_rlink->id);
|
else
|
prframe->u.hdr.adapter_link = GET_PRIMARY_LINK(primary_padapter);
|
} else
|
#endif
|
RTW_DBG("%s [WARN] Cannot find appropriate adapter - mac_addr : "MAC_FMT"\n"
|
, __func__, MAC_ARG(pda));
|
rx_state = CORE_RX_FAIL;
|
}
|
}
|
else {
|
/* ToDo CONFIG_RTW_MLD: TBD to see if there is direct info from mdata */
|
if (rx_req->rx_rlink)
|
prframe->u.hdr.adapter_link = GET_LINK(primary_padapter, rx_req->rx_rlink->id);
|
else
|
prframe->u.hdr.adapter_link = GET_PRIMARY_LINK(primary_padapter);
|
/*clone bcmc frame for all active adapter*/
|
rtw_mi_buddy_clone_bcmc_packet(primary_padapter, prframe);
|
|
#ifdef CONFIG_RTW_MULTI_AP
|
pbuf = prframe->u.hdr.rx_data;
|
/* unasoc STA RCPI */
|
if (rtw_unassoc_sta_src_chk(primary_padapter, UNASOC_STA_SRC_RX_BMC) &&
|
prframe->u.hdr.attrib.phy_info.recv_signal_power != 0) {
|
rtw_rx_add_unassoc_sta(primary_padapter, UNASOC_STA_SRC_RX_BMC,
|
get_ta(pbuf), prframe->u.hdr.attrib.phy_info.recv_signal_power);
|
}
|
#endif
|
}
|
|
exit:
|
prframe->u.hdr.rx_req = rx_req;
|
|
pmlmepriv = &(prframe->u.hdr.adapter)->mlmepriv;
|
if (check_fwstate(pmlmepriv, WIFI_MONITOR_STATE)) {
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24))
|
recv_frame_monitor(prframe->u.hdr.adapter, prframe, rx_req);
|
#endif
|
rx_state = CORE_RX_FAIL;
|
}
|
|
return rx_state;
|
}
|
|
#ifdef CONFIG_RTW_NAPI
|
#ifdef CONFIG_RTW_NAPI_V2
|
static void rtw_core_rx_napi_v2(struct dvobj_priv *dvobj)
|
{
|
_adapter *adapter = dvobj_get_primary_adapter(dvobj);
|
struct recv_priv *recvpriv = &dvobj->recvpriv;
|
|
if (adapter->registrypriv.en_napi) {
|
_adapter *a;
|
u8 i;
|
|
for (i = 0; i < dvobj->iface_nums; i++) {
|
a = dvobj->padapters[i];
|
if ((rtw_if_up(a) == _TRUE)
|
&& skb_queue_len(&recvpriv->rx_napi_skb_queue))
|
napi_schedule(&a->napi);
|
}
|
}
|
}
|
#endif
|
#endif
|
|
enum rtw_phl_status rtw_core_rx_process(void *drv_priv)
|
{
|
struct dvobj_priv *dvobj = (struct dvobj_priv *)drv_priv;
|
_adapter *adapter = NULL;
|
struct rtw_recv_pkt *rx_req = NULL;
|
struct rtw_pkt_buf_list *pkt = NULL;
|
union recv_frame *prframe = NULL;
|
struct rx_pkt_attrib *prxattrib = NULL;
|
u16 rx_pkt_num = 0;
|
struct recv_priv *precvpriv = &dvobj->recvpriv;
|
s32 pre_process_ret = CORE_RX_CONTINUE;
|
s32 process_ret = CORE_RX_CONTINUE;
|
|
rx_pkt_num = rtw_phl_query_new_rx_num(GET_PHL_INFO(dvobj));
|
|
#ifdef DBG_RECV_FRAME
|
RTW_INFO("%s dvobj:%p, phl:%p rx_pkt_num:%d, free_recv_queue:%p\n",
|
__func__, dvobj, dvobj->phl, rx_pkt_num, &precvpriv->free_recv_queue);
|
#endif
|
|
while (rx_pkt_num--) {
|
prframe = rtw_alloc_recvframe(&precvpriv->free_recv_queue);
|
if (prframe == NULL) {
|
RTW_ERR("F-%s L-%d rtw_alloc_recvframe failed\n", __FUNCTION__, __LINE__);
|
goto rx_error;
|
}
|
|
//_rtw_init_listhead
|
|
rx_req = rtw_phl_query_rx_pkt(GET_PHL_INFO(dvobj));
|
if(rx_req == NULL)
|
goto rx_stop;
|
|
if(rtw_core_update_recvframe(dvobj, prframe, rx_req) != CORE_RX_CONTINUE)
|
goto rx_next;
|
|
prxattrib = &prframe->u.hdr.attrib;
|
if (prxattrib->icv_err || prxattrib->crc_err)
|
goto rx_next;
|
|
adapter = prframe->u.hdr.adapter;
|
|
if (!rtw_is_adapter_up(adapter))
|
goto rx_next;
|
|
#ifdef CONFIG_RTW_CORE_RXSC
|
if (core_rxsc_apply_check(adapter, prframe) == CORE_RX_GO_SHORTCUT &&
|
core_rxsc_apply_shortcut(adapter, prframe) == CORE_RX_DONE)
|
continue;
|
#endif
|
|
//recv_func_prehandle
|
//mgt_dispatcher exist here && sw decrypt mgmt
|
//?? todo power save
|
#ifdef CONFIG_MP_INCLUDED
|
if (rtw_mp_mode_check(adapter)) {
|
if(mp_recv_frame(adapter, prframe))
|
goto rx_next;
|
} else
|
#endif
|
{
|
if (validate_recv_frame(adapter, &prframe) != CORE_RX_CONTINUE)
|
goto rx_next;
|
}
|
pre_process_ret = rtw_core_rx_data_pre_process(adapter, &prframe);
|
if (pre_process_ret == CORE_RX_DEFRAG)
|
continue;
|
if (pre_process_ret != CORE_RX_CONTINUE)
|
goto rx_next;
|
|
process_ret = rtw_core_rx_data_post_process(adapter, &prframe);
|
if (process_ret == CORE_RX_DONE) {
|
adapter->recvinfo.rx_pkts++;
|
continue;
|
} else if (process_ret == CORE_RX_DROP) {
|
/*
|
alread free prframe in rtw_core_rx_data_post_process
|
no need free again
|
*/
|
if (prframe == NULL)
|
continue;
|
}
|
|
rx_next:
|
rtw_free_recvframe(prframe);
|
continue;
|
rx_stop:
|
rtw_free_recvframe(prframe);
|
break;
|
rx_error:
|
break;
|
}
|
|
#ifdef CONFIG_RTW_NAPI
|
#ifdef CONFIG_RTW_NAPI_V2
|
rtw_core_rx_napi_v2(dvobj);
|
#endif
|
#endif
|
|
return RTW_PHL_STATUS_SUCCESS;
|
}
|
#endif /*RTW_PHL_RX*/
|
