1f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger/****************************************************************************** 2f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * 3f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. 4f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * 5f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * This program is free software; you can redistribute it and/or modify it 6f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * under the terms of version 2 of the GNU General Public License as 7f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * published by the Free Software Foundation. 8f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * 9f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * This program is distributed in the hope that it will be useful, but WITHOUT 10f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * more details. 13f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger * 14f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger ******************************************************************************/ 15f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger#define _RTL8723A_SRESET_C_ 16f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger 17f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger#include <rtl8723a_sreset.h> 18f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger#include <rtl8723a_hal.h> 19050abc45833c6a66501cb3f938ef6e93ac18da8dJes Sorensen#include <usb_ops_linux.h> 20f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger 21f7c92d2cc2beb3367f244480300eaecdd9502932Larry Fingervoid rtl8723a_sreset_xmit_status_check(struct rtw_adapter *padapter) 22f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger{ 23f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); 24f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger struct sreset_priv *psrtpriv = &pHalData->srestpriv; 25f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger 26f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger unsigned long current_time; 27f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 28f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger unsigned int diff_time; 29f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger u32 txdma_status; 30f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger 31050abc45833c6a66501cb3f938ef6e93ac18da8dJes Sorensen txdma_status = rtl8723au_read32(padapter, REG_TXDMA_STATUS); 32f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger if (txdma_status != 0) { 33f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger DBG_8723A("%s REG_TXDMA_STATUS:0x%08x\n", __func__, txdma_status); 34b7c19c276a230aee012ba7adef036689633c4cd8Jes Sorensen rtw_sreset_reset(padapter); 35f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger } 36f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger 37f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger current_time = jiffies; 38f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger 39f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger if (0 == pxmitpriv->free_xmitbuf_cnt || 0 == pxmitpriv->free_xmit_extbuf_cnt) { 40f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger 41f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger diff_time = jiffies_to_msecs(jiffies - psrtpriv->last_tx_time); 42f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger 43f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger if (diff_time > 2000) { 44f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger if (psrtpriv->last_tx_complete_time == 0) { 45f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger psrtpriv->last_tx_complete_time = current_time; 46f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger } else { 47f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger diff_time = jiffies_to_msecs(jiffies - psrtpriv->last_tx_complete_time); 48f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger if (diff_time > 4000) { 49f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger DBG_8723A("%s tx hang\n", __func__); 50b7c19c276a230aee012ba7adef036689633c4cd8Jes Sorensen rtw_sreset_reset(padapter); 51f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger } 52f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger } 53f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger } 54f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger } 55f7c92d2cc2beb3367f244480300eaecdd9502932Larry Finger} 56