/****************************************************************************** * * Copyright(c) 2012 - 2017 Realtek Corporation. * * 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. * *****************************************************************************/ /* #include */ #include #ifdef CONFIG_SUPPORT_USB_INT void interrupt_handler_8192eu(_adapter *padapter, u16 pkt_len, u8 *pbuf) { HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); struct reportpwrstate_parm pwr_rpt; if (pkt_len != INTERRUPT_MSG_FORMAT_LEN) { RTW_INFO("%s Invalid interrupt content length (%d)!\n", __FUNCTION__, pkt_len); return ; } /* HISR */ memcpy(&(pHalData->IntArray[0]), &(pbuf[USB_INTR_CONTENT_HISR_OFFSET]), 4); memcpy(&(pHalData->IntArray[1]), &(pbuf[USB_INTR_CONTENT_HISRE_OFFSET]), 4); #if 0 /* DBG */ { u32 hisr = 0 , hisr_ex = 0; memcpy(&hisr, &(pHalData->IntArray[0]), 4); hisr = le32_to_cpu(hisr); memcpy(&hisr_ex, &(pHalData->IntArray[1]), 4); hisr_ex = le32_to_cpu(hisr_ex); if ((hisr != 0) || (hisr_ex != 0)) RTW_INFO("===> %s hisr:0x%08x ,hisr_ex:0x%08x\n", __FUNCTION__, hisr, hisr_ex); } #endif #ifdef CONFIG_TDLS #ifdef CONFIG_TDLS_CH_SW if (pHalData->IntArray[0] & IMR_BCNDMAINT0_88E) { struct tdls_ch_switch *pchsw_info = &padapter->tdlsinfo.chsw_info; u32 last_time = pchsw_info->cur_time; pchsw_info->cur_time = jiffies_to_msecs(jiffies); if ((atomic_read(&pchsw_info->chsw_on) == _TRUE) && /* Sometimes we receive multiple interrupts in very little time period, use the follow condition test to filter */ (pchsw_info->cur_time - last_time > padapter->mlmeextpriv.mlmext_info.bcn_interval - 5) && (padapter->mlmeextpriv.cur_channel != rtw_get_oper_ch(padapter))) { if (pchsw_info->ch_sw_state & TDLS_CH_SW_INITIATOR_STATE) rtw_tdls_cmd(padapter, NULL, TDLS_CH_SW_BACK); else if (pchsw_info->delay_switch_back == _TRUE) { pchsw_info->delay_switch_back = _FALSE; rtw_tdls_cmd(padapter, NULL, TDLS_CH_SW_BACK); } } } #endif #endif /* CONFIG_TDLS */ #ifdef CONFIG_LPS_LCLK if (pHalData->IntArray[0] & IMR_CPWM_88E) { memcpy(&pwr_rpt.state, &(pbuf[USB_INTR_CONTENT_CPWM1_OFFSET]), 1); /* memcpy(&pwr_rpt.state2, &(pbuf[USB_INTR_CONTENT_CPWM2_OFFSET]), 1); */ /* 88e's cpwm value only change BIT0, so driver need to add PS_STATE_S2 for LPS flow. */ pwr_rpt.state |= PS_STATE_S2; _set_workitem(&(adapter_to_pwrctl(padapter)->cpwm_event)); } #endif/* CONFIG_LPS_LCLK */ #ifdef CONFIG_INTERRUPT_BASED_TXBCN #ifdef CONFIG_INTERRUPT_BASED_TXBCN_EARLY_INT if (pHalData->IntArray[0] & IMR_BCNDMAINT0_8192E)/*only for BCN_0*/ #endif #ifdef CONFIG_INTERRUPT_BASED_TXBCN_BCN_OK_ERR if (pHalData->IntArray[0] & (IMR_TBDER_88E | IMR_TBDOK_88E)) #endif { #if 0 if (pHalData->IntArray[0] & IMR_BCNDMAINT0_88E) RTW_INFO("%s: HISR_BCNERLY_INT\n", __func__); if (pHalData->IntArray[0] & IMR_TBDOK_88E) RTW_INFO("%s: HISR_TXBCNOK\n", __func__); if (pHalData->IntArray[0] & IMR_TBDER_88E) RTW_INFO("%s: HISR_TXBCNERR\n", __func__); #endif rtw_mi_set_tx_beacon_cmd(padapter); } #endif /* CONFIG_INTERRUPT_BASED_TXBCN */ #ifdef DBG_CONFIG_ERROR_DETECT_INT if (pHalData->IntArray[1] & IMR_TXERR_88E) RTW_INFO("===> %s Tx Error Flag Interrupt Status\n", __FUNCTION__); if (pHalData->IntArray[1] & IMR_RXERR_88E) RTW_INFO("===> %s Rx Error Flag INT Status\n", __FUNCTION__); if (pHalData->IntArray[1] & IMR_TXFOVW_88E) RTW_INFO("===> %s Transmit FIFO Overflow\n", __FUNCTION__); if (pHalData->IntArray[1] & IMR_RXFOVW_88E) RTW_INFO("===> %s Receive FIFO Overflow\n", __FUNCTION__); #endif/* DBG_CONFIG_ERROR_DETECT_INT */ #ifdef CONFIG_FW_C2H_REG /* C2H Event */ if (pbuf[0] != 0) usb_c2h_hisr_hdl(padapter, pbuf); #endif } #endif int recvbuf2recvframe(PADAPTER padapter, void *ptr) { u8 *pbuf; u32 pkt_offset; s32 transfer_len; union recv_frame *precvframe = NULL; struct rx_pkt_attrib *pattrib = NULL; HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); struct recv_priv *precvpriv = &padapter->recvpriv; _queue *pfree_recv_queue = &precvpriv->free_recv_queue; _pkt *pskb; #ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX pskb = NULL; transfer_len = (s32)((struct recv_buf *)ptr)->transfer_len; pbuf = ((struct recv_buf *)ptr)->pbuf; #else pskb = (_pkt *)ptr; transfer_len = (s32)pskb->len; pbuf = pskb->data; #endif do { precvframe = rtw_alloc_recvframe(pfree_recv_queue); if (precvframe == NULL) { RTW_INFO("%s()-%d: rtw_alloc_recvframe() failed! RX Drop!\n", __FUNCTION__, __LINE__); goto _exit_recvbuf2recvframe; } _rtw_init_listhead(&precvframe->u.hdr.list); precvframe->u.hdr.precvbuf = NULL; /* can't access the precvbuf for new arch. */ precvframe->u.hdr.len = 0; rtl8192e_query_rx_desc_status(precvframe, pbuf); pattrib = &precvframe->u.hdr.attrib; if ((padapter->registrypriv.mp_mode == 0) && ((pattrib->crc_err) || (pattrib->icv_err))) { RTW_INFO("%s: RX Warning! crc_err=%d icv_err=%d, skip!\n", __FUNCTION__, pattrib->crc_err, pattrib->icv_err); rtw_free_recvframe(precvframe, pfree_recv_queue); goto _exit_recvbuf2recvframe; } pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz + pattrib->pkt_len; if ((pattrib->pkt_len <= 0) || (pkt_offset > transfer_len)) { RTW_INFO("%s()-%d: RX Warning!,pkt_len(%d)<=0 or pkt_offset(%d)> transfoer_len(%d)\n", __FUNCTION__, __LINE__, pattrib->pkt_len, pkt_offset, transfer_len); rtw_free_recvframe(precvframe, pfree_recv_queue); goto _exit_recvbuf2recvframe; } #ifdef CONFIG_RX_PACKET_APPEND_FCS if (check_fwstate(&padapter->mlmepriv, WIFI_MONITOR_STATE) == _FALSE) if ((pattrib->pkt_rpt_type == NORMAL_RX) && rtw_hal_rcr_check(padapter, RCR_APPFCS)) pattrib->pkt_len -= FCS_LEN; #endif if (rtw_os_alloc_recvframe(padapter, precvframe, (pbuf + pattrib->shift_sz + pattrib->drvinfo_sz + RXDESC_SIZE), pskb) == _FAIL) { rtw_free_recvframe(precvframe, pfree_recv_queue); RTW_INFO("##### %s rtw_os_alloc_recvframe failed .....\n", __FUNCTION__); goto _exit_recvbuf2recvframe; } recvframe_put(precvframe, pattrib->pkt_len); /* recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE); */ if (pattrib->pkt_rpt_type == NORMAL_RX) /* Normal rx packet */ pre_recv_entry(precvframe, pattrib->physt ? (pbuf + RXDESC_OFFSET) : NULL); else { /* pkt_rpt_type == TX_REPORT1-CCX, TX_REPORT2-TX RTP,HIS_REPORT-USB HISR RTP */ if (pattrib->pkt_rpt_type == C2H_PACKET) { /*RTW_INFO("rx C2H_PACKET\n");*/ rtw_hal_c2h_pkt_pre_hdl(padapter, precvframe->u.hdr.rx_data, pattrib->pkt_len); } #if 0 else if (pattrib->pkt_rpt_type == HIS_REPORT) { /*RTW_INFO("%s, rx USB HISR\n", __func__);*/ #ifdef CONFIG_SUPPORT_USB_INT interrupt_handler_8192eu(padapter, pattrib->pkt_len, precvframe->u.hdr.rx_data); #endif } #endif rtw_free_recvframe(precvframe, pfree_recv_queue); } #ifdef CONFIG_USB_RX_AGGREGATION /* jaguar 8-byte alignment */ pkt_offset = (u16)_RND8(pkt_offset); pbuf += pkt_offset; #endif transfer_len -= pkt_offset; precvframe = NULL; } while (transfer_len > 0); _exit_recvbuf2recvframe: return _SUCCESS; } void rtl8192eu_xmit_tasklet(void *priv) { int ret = _FALSE; _adapter *padapter = (_adapter *)priv; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; while (1) { if (RTW_CANNOT_TX(padapter)) { RTW_INFO("xmit_tasklet => bDriverStopped or bSurpriseRemoved or bWritePortCancel\n"); break; } if (rtw_xmit_ac_blocked(padapter) == _TRUE) break; ret = rtl8192eu_xmitframe_complete(padapter, pxmitpriv, NULL); if (ret == _FALSE) break; } } void rtl8192eu_set_hw_type(struct dvobj_priv *pdvobj) { pdvobj->HardwareType = HARDWARE_TYPE_RTL8192EU; RTW_INFO("CHIP TYPE: RTL8192E\n"); }