staging: r8188eu: Add files for new driver - part 15

This commit adds files hal/rtl8188e_rxdesc.c, hal/rtl8188e_sreset.c, and
hal/rtl8188e_xmit.c.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/rtl8188e_rxdesc.c

+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2011 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ *
+ ******************************************************************************/
+#define _RTL8188E_REDESC_C_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <rtl8188e_hal.h>
+
+static void process_rssi(struct adapter *padapter, union recv_frame *prframe)
+{
+	struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
+	struct signal_stat *signal_stat = &padapter->recvpriv.signal_strength_data;
+
+	if (signal_stat->update_req) {
+		signal_stat->total_num = 0;
+		signal_stat->total_val = 0;
+		signal_stat->update_req = 0;
+	}
+
+	signal_stat->total_num++;
+	signal_stat->total_val  += pattrib->phy_info.SignalStrength;
+	signal_stat->avg_val = signal_stat->total_val / signal_stat->total_num;
+} /*  Process_UI_RSSI_8192C */
+
+static void process_link_qual(struct adapter *padapter, union recv_frame *prframe)
+{
+	struct rx_pkt_attrib *pattrib;
+	struct signal_stat *signal_stat;
+
+	if (prframe == NULL || padapter == NULL)
+		return;
+
+	pattrib = &prframe->u.hdr.attrib;
+	signal_stat = &padapter->recvpriv.signal_qual_data;
+
+	if (signal_stat->update_req) {
+		signal_stat->total_num = 0;
+		signal_stat->total_val = 0;
+		signal_stat->update_req = 0;
+	}
+
+	signal_stat->total_num++;
+	signal_stat->total_val  += pattrib->phy_info.SignalQuality;
+	signal_stat->avg_val = signal_stat->total_val / signal_stat->total_num;
+}
+
+void rtl8188e_process_phy_info(struct adapter *padapter, void *prframe)
+{
+	union recv_frame *precvframe = (union recv_frame *)prframe;
+
+	/*  Check RSSI */
+	process_rssi(padapter, precvframe);
+	/*  Check EVM */
+	process_link_qual(padapter,  precvframe);
+}
+
+void update_recvframe_attrib_88e(union recv_frame *precvframe, struct recv_stat *prxstat)
+{
+	struct rx_pkt_attrib	*pattrib;
+	struct recv_stat	report;
+
+	report.rxdw0 = prxstat->rxdw0;
+	report.rxdw1 = prxstat->rxdw1;
+	report.rxdw2 = prxstat->rxdw2;
+	report.rxdw3 = prxstat->rxdw3;
+	report.rxdw4 = prxstat->rxdw4;
+	report.rxdw5 = prxstat->rxdw5;
+
+	pattrib = &precvframe->u.hdr.attrib;
+	_rtw_memset(pattrib, 0, sizeof(struct rx_pkt_attrib));
+
+	pattrib->crc_err = (u8)((le32_to_cpu(report.rxdw0) >> 14) & 0x1);;/* u8)prxreport->crc32; */
+
+	/*  update rx report to recv_frame attribute */
+	pattrib->pkt_rpt_type = (u8)((le32_to_cpu(report.rxdw3) >> 14) & 0x3);/* prxreport->rpt_sel; */
+
+	if (pattrib->pkt_rpt_type == NORMAL_RX) { /* Normal rx packet */
+		pattrib->pkt_len = (u16)(le32_to_cpu(report.rxdw0) & 0x00003fff);/* u16)prxreport->pktlen; */
+		pattrib->drvinfo_sz = (u8)((le32_to_cpu(report.rxdw0) >> 16) & 0xf) * 8;/* u8)(prxreport->drvinfosize << 3); */
+
+		pattrib->physt =  (u8)((le32_to_cpu(report.rxdw0) >> 26) & 0x1);/* u8)prxreport->physt; */
+
+		pattrib->bdecrypted = (le32_to_cpu(report.rxdw0) & BIT(27)) ? 0 : 1;/* u8)(prxreport->swdec ? 0 : 1); */
+		pattrib->encrypt = (u8)((le32_to_cpu(report.rxdw0) >> 20) & 0x7);/* u8)prxreport->security; */
+
+		pattrib->qos = (u8)((le32_to_cpu(report.rxdw0) >> 23) & 0x1);/* u8)prxreport->qos; */
+		pattrib->priority = (u8)((le32_to_cpu(report.rxdw1) >> 8) & 0xf);/* u8)prxreport->tid; */
+
+		pattrib->amsdu = (u8)((le32_to_cpu(report.rxdw1) >> 13) & 0x1);/* u8)prxreport->amsdu; */
+
+		pattrib->seq_num = (u16)(le32_to_cpu(report.rxdw2) & 0x00000fff);/* u16)prxreport->seq; */
+		pattrib->frag_num = (u8)((le32_to_cpu(report.rxdw2) >> 12) & 0xf);/* u8)prxreport->frag; */
+		pattrib->mfrag = (u8)((le32_to_cpu(report.rxdw1) >> 27) & 0x1);/* u8)prxreport->mf; */
+		pattrib->mdata = (u8)((le32_to_cpu(report.rxdw1) >> 26) & 0x1);/* u8)prxreport->md; */
+
+		pattrib->mcs_rate = (u8)(le32_to_cpu(report.rxdw3) & 0x3f);/* u8)prxreport->rxmcs; */
+		pattrib->rxht = (u8)((le32_to_cpu(report.rxdw3) >> 6) & 0x1);/* u8)prxreport->rxht; */
+
+		pattrib->icv_err = (u8)((le32_to_cpu(report.rxdw0) >> 15) & 0x1);/* u8)prxreport->icverr; */
+		pattrib->shift_sz = (u8)((le32_to_cpu(report.rxdw0) >> 24) & 0x3);
+	} else if (pattrib->pkt_rpt_type == TX_REPORT1) { /* CCX */
+		pattrib->pkt_len = TX_RPT1_PKT_LEN;
+		pattrib->drvinfo_sz = 0;
+	} else if (pattrib->pkt_rpt_type == TX_REPORT2) { /*  TX RPT */
+		pattrib->pkt_len = (u16)(le32_to_cpu(report.rxdw0) & 0x3FF);/* Rx length[9:0] */
+		pattrib->drvinfo_sz = 0;
+
+		/*  */
+		/*  Get TX report MAC ID valid. */
+		/*  */
+		pattrib->MacIDValidEntry[0] = le32_to_cpu(report.rxdw4);
+		pattrib->MacIDValidEntry[1] = le32_to_cpu(report.rxdw5);
+
+	} else if (pattrib->pkt_rpt_type == HIS_REPORT) { /*  USB HISR RPT */
+		pattrib->pkt_len = (u16)(le32_to_cpu(report.rxdw0) & 0x00003fff);/* u16)prxreport->pktlen; */
+	}
+}
+
+/*
+ * Notice:
+ *	Before calling this function,
+ *	precvframe->u.hdr.rx_data should be ready!
+ */
+void update_recvframe_phyinfo_88e(union recv_frame *precvframe, struct phy_stat *pphy_status)
+{
+	struct adapter *padapter = precvframe->u.hdr.adapter;
+	struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
+	struct hal_data_8188e *pHalData = GET_HAL_DATA(padapter);
+	struct odm_phy_status_info *pPHYInfo  = (struct odm_phy_status_info *)(&pattrib->phy_info);
+	u8 *wlanhdr;
+	struct odm_per_pkt_info	pkt_info;
+	u8 *sa = NULL;
+	struct sta_priv *pstapriv;
+	struct sta_info *psta;
+
+	pkt_info.bPacketMatchBSSID = false;
+	pkt_info.bPacketToSelf = false;
+	pkt_info.bPacketBeacon = false;
+
+	wlanhdr = get_recvframe_data(precvframe);
+
+	pkt_info.bPacketMatchBSSID = ((!IsFrameTypeCtrl(wlanhdr)) &&
+		!pattrib->icv_err && !pattrib->crc_err &&
+		_rtw_memcmp(get_hdr_bssid(wlanhdr),
+		 get_bssid(&padapter->mlmepriv), ETH_ALEN));
+
+	pkt_info.bPacketToSelf = pkt_info.bPacketMatchBSSID &&
+				 (_rtw_memcmp(get_da(wlanhdr),
+				  myid(&padapter->eeprompriv), ETH_ALEN));
+
+	pkt_info.bPacketBeacon = pkt_info.bPacketMatchBSSID &&
+				 (GetFrameSubType(wlanhdr) == WIFI_BEACON);
+
+	if (pkt_info.bPacketBeacon) {
+		if (check_fwstate(&padapter->mlmepriv, WIFI_STATION_STATE))
+			sa = padapter->mlmepriv.cur_network.network.MacAddress;
+		/* to do Ad-hoc */
+	} else {
+		sa = get_sa(wlanhdr);
+	}
+
+	pstapriv = &padapter->stapriv;
+	pkt_info.StationID = 0xFF;
+	psta = rtw_get_stainfo(pstapriv, sa);
+	if (psta)
+		pkt_info.StationID = psta->mac_id;
+	pkt_info.Rate = pattrib->mcs_rate;
+
+	ODM_PhyStatusQuery(&pHalData->odmpriv, pPHYInfo, (u8 *)pphy_status, &(pkt_info));
+
+	precvframe->u.hdr.psta = NULL;
+	if (pkt_info.bPacketMatchBSSID &&
+	    (check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE))) {
+		if (psta) {
+			precvframe->u.hdr.psta = psta;
+			rtl8188e_process_phy_info(padapter, precvframe);
+		}
+	} else if (pkt_info.bPacketToSelf || pkt_info.bPacketBeacon) {
+		if (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
+			if (psta)
+				precvframe->u.hdr.psta = psta;
+		}
+		rtl8188e_process_phy_info(padapter, precvframe);
+	}
+}

drivers/staging/rtl8188eu/hal/rtl8188e_sreset.c

+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2011 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ *
+ ******************************************************************************/
+#define _RTL8188E_SRESET_C_
+
+#include <rtl8188e_sreset.h>
+#include <rtl8188e_hal.h>
+
+void rtl8188e_silentreset_for_specific_platform(struct adapter *padapter)
+{
+}
+
+void rtl8188e_sreset_xmit_status_check(struct adapter *padapter)
+{
+	struct hal_data_8188e	*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 = rtw_read32(padapter, REG_TXDMA_STATUS);
+	if (txdma_status != 0x00) {
+		DBG_88E("%s REG_TXDMA_STATUS:0x%08x\n", __func__, txdma_status);
+		rtw_write32(padapter, REG_TXDMA_STATUS, txdma_status);
+		rtl8188e_silentreset_for_specific_platform(padapter);
+	}
+	/* total xmit irp = 4 */
+	current_time = rtw_get_current_time();
+	if (0 == pxmitpriv->free_xmitbuf_cnt) {
+		diff_time = jiffies_to_msecs(current_time - 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(current_time - psrtpriv->last_tx_complete_time);
+				if (diff_time > 4000) {
+					DBG_88E("%s tx hang\n", __func__);
+					rtl8188e_silentreset_for_specific_platform(padapter);
+				}
+			}
+		}
+	}
+}
+
+void rtl8188e_sreset_linked_status_check(struct adapter *padapter)
+{
+	u32 rx_dma_status = 0;
+	u8 fw_status = 0;
+	rx_dma_status = rtw_read32(padapter, REG_RXDMA_STATUS);
+	if (rx_dma_status != 0x00) {
+		DBG_88E("%s REG_RXDMA_STATUS:0x%08x\n", __func__, rx_dma_status);
+		rtw_write32(padapter, REG_RXDMA_STATUS, rx_dma_status);
+	}
+	fw_status = rtw_read8(padapter, REG_FMETHR);
+	if (fw_status != 0x00) {
+		if (fw_status == 1)
+			DBG_88E("%s REG_FW_STATUS (0x%02x), Read_Efuse_Fail !!\n", __func__, fw_status);
+		else if (fw_status == 2)
+			DBG_88E("%s REG_FW_STATUS (0x%02x), Condition_No_Match !!\n", __func__, fw_status);
+	}
+}

drivers/staging/rtl8188eu/hal/rtl8188e_xmit.c

+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2011 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ *
+ ******************************************************************************/
+#define _RTL8188E_XMIT_C_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <rtl8188e_hal.h>
+
+void dump_txrpt_ccx_88e(void *buf)
+{
+	struct txrpt_ccx_88e *txrpt_ccx = (struct txrpt_ccx_88e *)buf;
+
+	DBG_88E("%s:\n"
+		"tag1:%u, pkt_num:%u, txdma_underflow:%u, int_bt:%u, int_tri:%u, int_ccx:%u\n"
+		"mac_id:%u, pkt_ok:%u, bmc:%u\n"
+		"retry_cnt:%u, lifetime_over:%u, retry_over:%u\n"
+		"ccx_qtime:%u\n"
+		"final_data_rate:0x%02x\n"
+		"qsel:%u, sw:0x%03x\n",
+		__func__, txrpt_ccx->tag1, txrpt_ccx->pkt_num,
+		txrpt_ccx->txdma_underflow, txrpt_ccx->int_bt,
+		txrpt_ccx->int_tri, txrpt_ccx->int_ccx,
+		txrpt_ccx->mac_id, txrpt_ccx->pkt_ok, txrpt_ccx->bmc,
+		txrpt_ccx->retry_cnt, txrpt_ccx->lifetime_over,
+		txrpt_ccx->retry_over, txrpt_ccx_qtime_88e(txrpt_ccx),
+		txrpt_ccx->final_data_rate, txrpt_ccx->qsel,
+		txrpt_ccx_sw_88e(txrpt_ccx)
+	);
+}
+
+void handle_txrpt_ccx_88e(struct adapter *adapter, u8 *buf)
+{
+	struct txrpt_ccx_88e *txrpt_ccx = (struct txrpt_ccx_88e *)buf;
+
+	if (txrpt_ccx->int_ccx) {
+		if (txrpt_ccx->pkt_ok)
+			rtw_ack_tx_done(&adapter->xmitpriv,
+					RTW_SCTX_DONE_SUCCESS);
+		else
+			rtw_ack_tx_done(&adapter->xmitpriv,
+					RTW_SCTX_DONE_CCX_PKT_FAIL);
+	}
+}
+
+void _dbg_dump_tx_info(struct adapter *padapter, int frame_tag,
+		       struct tx_desc *ptxdesc)
+{
+	u8 dmp_txpkt;
+	bool dump_txdesc = false;
+	rtw_hal_get_def_var(padapter, HAL_DEF_DBG_DUMP_TXPKT, &(dmp_txpkt));
+
+	if (dmp_txpkt == 1) {/* dump txdesc for data frame */
+		DBG_88E("dump tx_desc for data frame\n");
+		if ((frame_tag & 0x0f) == DATA_FRAMETAG)
+			dump_txdesc = true;
+	} else if (dmp_txpkt == 2) {/* dump txdesc for mgnt frame */
+		DBG_88E("dump tx_desc for mgnt frame\n");
+		if ((frame_tag & 0x0f) == MGNT_FRAMETAG)
+			dump_txdesc = true;
+	}
+
+	if (dump_txdesc) {
+		DBG_88E("=====================================\n");
+		DBG_88E("txdw0(0x%08x)\n", ptxdesc->txdw0);
+		DBG_88E("txdw1(0x%08x)\n", ptxdesc->txdw1);
+		DBG_88E("txdw2(0x%08x)\n", ptxdesc->txdw2);
+		DBG_88E("txdw3(0x%08x)\n", ptxdesc->txdw3);
+		DBG_88E("txdw4(0x%08x)\n", ptxdesc->txdw4);
+		DBG_88E("txdw5(0x%08x)\n", ptxdesc->txdw5);
+		DBG_88E("txdw6(0x%08x)\n", ptxdesc->txdw6);
+		DBG_88E("txdw7(0x%08x)\n", ptxdesc->txdw7);
+		DBG_88E("=====================================\n");
+	}
+}