/****************************************************************************** * * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * ******************************************************************************/ #define _RTL8723A_SRESET_C_ #include #include #include void rtl8723a_sreset_xmit_status_check(struct rtw_adapter *padapter) { struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); struct sreset_priv *psrtpriv = &pHalData->srestpriv; unsigned long current_time; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; unsigned int diff_time; u32 txdma_status; txdma_status = rtl8723au_read32(padapter, REG_TXDMA_STATUS); if (txdma_status != 0) { DBG_8723A("%s REG_TXDMA_STATUS:0x%08x\n", __func__, txdma_status); rtw_sreset_reset(padapter); } current_time = jiffies; if (0 == pxmitpriv->free_xmitbuf_cnt || 0 == pxmitpriv->free_xmit_extbuf_cnt) { diff_time = jiffies_to_msecs(jiffies - psrtpriv->last_tx_time); if (diff_time > 2000) { if (psrtpriv->last_tx_complete_time == 0) { psrtpriv->last_tx_complete_time = current_time; } else { diff_time = jiffies_to_msecs(jiffies - psrtpriv->last_tx_complete_time); if (diff_time > 4000) { DBG_8723A("%s tx hang\n", __func__); rtw_sreset_reset(padapter); } } } } }