staging: r8188eu: Add files for new driver - part 19

This commit adds files os_dep/os_intfs.c, os_dep/recv_linux.c,
and os_dep/rtw_android.c.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/os_dep/os_intfs.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 _OS_INTFS_C_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <xmit_osdep.h>
+#include <recv_osdep.h>
+#include <hal_intf.h>
+#include <rtw_ioctl.h>
+#include <rtw_version.h>
+
+#include <usb_osintf.h>
+#include <usb_hal.h>
+#include <rtw_br_ext.h>
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Realtek Wireless Lan Driver");
+MODULE_AUTHOR("Realtek Semiconductor Corp.");
+MODULE_VERSION(DRIVERVERSION);
+
+#define CONFIG_BR_EXT_BRNAME "br0"
+#define RTW_NOTCH_FILTER 0 /* 0:Disable, 1:Enable, */
+
+/* module param defaults */
+static int rtw_chip_version = 0x00;
+static int rtw_rfintfs = HWPI;
+static int rtw_lbkmode;/* RTL8712_AIR_TRX; */
+static int rtw_network_mode = Ndis802_11IBSS;/* Ndis802_11Infrastructure; infra, ad-hoc, auto */
+static int rtw_channel = 1;/* ad-hoc support requirement */
+static int rtw_wireless_mode = WIRELESS_11BG_24N;
+static int rtw_vrtl_carrier_sense = AUTO_VCS;
+static int rtw_vcs_type = RTS_CTS;/*  */
+static int rtw_rts_thresh = 2347;/*  */
+static int rtw_frag_thresh = 2346;/*  */
+static int rtw_preamble = PREAMBLE_LONG;/* long, short, auto */
+static int rtw_scan_mode = 1;/* active, passive */
+static int rtw_adhoc_tx_pwr = 1;
+static int rtw_soft_ap;
+static int rtw_power_mgnt = 1;
+static int rtw_ips_mode = IPS_NORMAL;
+
+static int rtw_smart_ps = 2;
+
+module_param(rtw_ips_mode, int, 0644);
+MODULE_PARM_DESC(rtw_ips_mode, "The default IPS mode");
+
+static int rtw_debug = 1;
+static int rtw_radio_enable = 1;
+static int rtw_long_retry_lmt = 7;
+static int rtw_short_retry_lmt = 7;
+static int rtw_busy_thresh = 40;
+static int rtw_ack_policy = NORMAL_ACK;
+
+static int rtw_mp_mode;
+
+static int rtw_software_encrypt;
+static int rtw_software_decrypt;
+
+static int rtw_acm_method;/*  0:By SW 1:By HW. */
+
+static int rtw_wmm_enable = 1;/*  default is set to enable the wmm. */
+static int rtw_uapsd_enable;
+static int rtw_uapsd_max_sp = NO_LIMIT;
+static int rtw_uapsd_acbk_en;
+static int rtw_uapsd_acbe_en;
+static int rtw_uapsd_acvi_en;
+static int rtw_uapsd_acvo_en;
+
+int rtw_ht_enable = 1;
+int rtw_cbw40_enable = 3; /*  0 :diable, bit(0): enable 2.4g, bit(1): enable 5g */
+int rtw_ampdu_enable = 1;/* for enable tx_ampdu */
+static int rtw_rx_stbc = 1;/*  0: disable, bit(0):enable 2.4g, bit(1):enable 5g, default is set to enable 2.4GHZ for IOT issue with bufflao's AP at 5GHZ */
+static int rtw_ampdu_amsdu;/*  0: disabled, 1:enabled, 2:auto */
+
+static int rtw_lowrate_two_xmit = 1;/* Use 2 path Tx to transmit MCS0~7 and legacy mode */
+
+static int rtw_rf_config = RF_819X_MAX_TYPE;  /* auto */
+static int rtw_low_power;
+static int rtw_wifi_spec;
+static int rtw_channel_plan = RT_CHANNEL_DOMAIN_MAX;
+static int rtw_AcceptAddbaReq = true;/*  0:Reject AP's Add BA req, 1:Accept AP's Add BA req. */
+
+static int rtw_antdiv_cfg = 2; /*  0:OFF , 1:ON, 2:decide by Efuse config */
+static int rtw_antdiv_type; /* 0:decide by efuse  1: for 88EE, 1Tx and 1RxCG are diversity.(2 Ant with SPDT), 2:  for 88EE, 1Tx and 2Rx are diversity.(2 Ant, Tx and RxCG are both on aux port, RxCS is on main port), 3: for 88EE, 1Tx and 1RxCG are fixed.(1Ant, Tx and RxCG are both on aux port) */
+
+static int rtw_enusbss;/* 0:disable, 1:enable */
+
+static int rtw_hwpdn_mode = 2;/* 0:disable, 1:enable, 2: by EFUSE config */
+
+static int rtw_hwpwrp_detect; /* HW power  ping detect 0:disable , 1:enable */
+
+static int rtw_hw_wps_pbc = 1;
+
+int rtw_mc2u_disable;
+
+static int rtw_80211d;
+
+static char *ifname = "wlan%d";
+module_param(ifname, charp, 0644);
+MODULE_PARM_DESC(ifname, "The default name to allocate for first interface");
+
+static char *if2name = "wlan%d";
+module_param(if2name, charp, 0644);
+MODULE_PARM_DESC(if2name, "The default name to allocate for second interface");
+
+char *rtw_initmac;  /*  temp mac address if users want to use instead of the mac address in Efuse */
+
+module_param(rtw_initmac, charp, 0644);
+module_param(rtw_channel_plan, int, 0644);
+module_param(rtw_chip_version, int, 0644);
+module_param(rtw_rfintfs, int, 0644);
+module_param(rtw_lbkmode, int, 0644);
+module_param(rtw_network_mode, int, 0644);
+module_param(rtw_channel, int, 0644);
+module_param(rtw_mp_mode, int, 0644);
+module_param(rtw_wmm_enable, int, 0644);
+module_param(rtw_vrtl_carrier_sense, int, 0644);
+module_param(rtw_vcs_type, int, 0644);
+module_param(rtw_busy_thresh, int, 0644);
+module_param(rtw_ht_enable, int, 0644);
+module_param(rtw_cbw40_enable, int, 0644);
+module_param(rtw_ampdu_enable, int, 0644);
+module_param(rtw_rx_stbc, int, 0644);
+module_param(rtw_ampdu_amsdu, int, 0644);
+module_param(rtw_lowrate_two_xmit, int, 0644);
+module_param(rtw_rf_config, int, 0644);
+module_param(rtw_power_mgnt, int, 0644);
+module_param(rtw_smart_ps, int, 0644);
+module_param(rtw_low_power, int, 0644);
+module_param(rtw_wifi_spec, int, 0644);
+module_param(rtw_antdiv_cfg, int, 0644);
+module_param(rtw_antdiv_type, int, 0644);
+module_param(rtw_enusbss, int, 0644);
+module_param(rtw_hwpdn_mode, int, 0644);
+module_param(rtw_hwpwrp_detect, int, 0644);
+module_param(rtw_hw_wps_pbc, int, 0644);
+
+static uint rtw_max_roaming_times = 2;
+module_param(rtw_max_roaming_times, uint, 0644);
+MODULE_PARM_DESC(rtw_max_roaming_times, "The max roaming times to try");
+
+static int rtw_fw_iol = 1;/*  0:Disable, 1:enable, 2:by usb speed */
+module_param(rtw_fw_iol, int, 0644);
+MODULE_PARM_DESC(rtw_fw_iol, "FW IOL");
+
+module_param(rtw_mc2u_disable, int, 0644);
+
+module_param(rtw_80211d, int, 0644);
+MODULE_PARM_DESC(rtw_80211d, "Enable 802.11d mechanism");
+
+static uint rtw_notch_filter = RTW_NOTCH_FILTER;
+module_param(rtw_notch_filter, uint, 0644);
+MODULE_PARM_DESC(rtw_notch_filter, "0:Disable, 1:Enable, 2:Enable only for P2P");
+module_param_named(debug, rtw_debug, int, 0444);
+MODULE_PARM_DESC(debug, "Set debug level (1-9) (default 1)");
+
+/* dummy routines */
+void rtw_proc_remove_one(struct net_device *dev)
+{
+}
+
+void rtw_proc_init_one(struct net_device *dev)
+{
+}
+
+#if 0	/* TODO: Convert these to /sys */
+void rtw_proc_init_one(struct net_device *dev)
+{
+	struct proc_dir_entry *dir_dev = NULL;
+	struct proc_dir_entry *entry = NULL;
+	struct adapter	*padapter = rtw_netdev_priv(dev);
+	u8 rf_type;
+
+	if (rtw_proc == NULL) {
+		memcpy(rtw_proc_name, DRV_NAME, sizeof(DRV_NAME));
+
+		rtw_proc = create_proc_entry(rtw_proc_name, S_IFDIR, init_net.proc_net);
+		if (rtw_proc == NULL) {
+			DBG_88E(KERN_ERR "Unable to create rtw_proc directory\n");
+			return;
+		}
+
+		entry = create_proc_read_entry("ver_info", S_IFREG | S_IRUGO, rtw_proc, proc_get_drv_version, dev);
+		if (!entry) {
+			pr_info("Unable to create_proc_read_entry!\n");
+			return;
+		}
+	}
+
+	if (padapter->dir_dev == NULL) {
+		padapter->dir_dev = create_proc_entry(dev->name,
+					  S_IFDIR | S_IRUGO | S_IXUGO,
+					  rtw_proc);
+		dir_dev = padapter->dir_dev;
+		if (dir_dev == NULL) {
+			if (rtw_proc_cnt == 0) {
+				if (rtw_proc) {
+					remove_proc_entry(rtw_proc_name, init_net.proc_net);
+					rtw_proc = NULL;
+				}
+			}
+
+			pr_info("Unable to create dir_dev directory\n");
+			return;
+		}
+	} else {
+		return;
+	}
+
+	rtw_proc_cnt++;
+
+	entry = create_proc_read_entry("write_reg", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_write_reg, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+	entry->write_proc = proc_set_write_reg;
+
+	entry = create_proc_read_entry("read_reg", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_read_reg, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+	entry->write_proc = proc_set_read_reg;
+
+
+	entry = create_proc_read_entry("fwstate", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_fwstate, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("sec_info", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_sec_info, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("mlmext_state", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_mlmext_state, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("qos_option", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_qos_option, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("ht_option", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_ht_option, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("rf_info", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_rf_info, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("ap_info", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_ap_info, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("adapter_state", S_IFREG | S_IRUGO,
+				   dir_dev, proc_getstruct adapter_state, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("trx_info", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_trx_info, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("mac_reg_dump1", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_mac_reg_dump1, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("mac_reg_dump2", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_mac_reg_dump2, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("mac_reg_dump3", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_mac_reg_dump3, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("bb_reg_dump1", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_bb_reg_dump1, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("bb_reg_dump2", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_bb_reg_dump2, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("bb_reg_dump3", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_bb_reg_dump3, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("rf_reg_dump1", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_rf_reg_dump1, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("rf_reg_dump2", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_rf_reg_dump2, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
+	if ((RF_1T2R == rf_type) || (RF_1T1R == rf_type)) {
+		entry = create_proc_read_entry("rf_reg_dump3", S_IFREG | S_IRUGO,
+					   dir_dev, proc_get_rf_reg_dump3, dev);
+		if (!entry) {
+			pr_info("Unable to create_proc_read_entry!\n");
+			return;
+		}
+
+		entry = create_proc_read_entry("rf_reg_dump4", S_IFREG | S_IRUGO,
+					   dir_dev, proc_get_rf_reg_dump4, dev);
+		if (!entry) {
+			pr_info("Unable to create_proc_read_entry!\n");
+			return;
+		}
+	}
+
+#ifdef CONFIG_88EU_AP_MODE
+
+	entry = create_proc_read_entry("all_sta_info", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_all_sta_info, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+#endif
+
+	entry = create_proc_read_entry("best_channel", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_best_channel, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+
+	entry = create_proc_read_entry("rx_signal", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_rx_signal, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+	entry->write_proc = proc_set_rx_signal;
+	entry = create_proc_read_entry("ht_enable", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_ht_enable, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+	entry->write_proc = proc_set_ht_enable;
+
+	entry = create_proc_read_entry("cbw40_enable", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_cbw40_enable, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+	entry->write_proc = proc_set_cbw40_enable;
+
+	entry = create_proc_read_entry("ampdu_enable", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_ampdu_enable, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+	entry->write_proc = proc_set_ampdu_enable;
+
+	entry = create_proc_read_entry("rx_stbc", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_rx_stbc, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+	entry->write_proc = proc_set_rx_stbc;
+
+	entry = create_proc_read_entry("path_rssi", S_IFREG | S_IRUGO,
+					dir_dev, proc_get_two_path_rssi, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+	entry = create_proc_read_entry("rssi_disp", S_IFREG | S_IRUGO,
+				   dir_dev, proc_get_rssi_disp, dev);
+	if (!entry) {
+		pr_info("Unable to create_proc_read_entry!\n");
+		return;
+	}
+	entry->write_proc = proc_set_rssi_disp;
+}
+
+void rtw_proc_remove_one(struct net_device *dev)
+{
+	struct proc_dir_entry *dir_dev = NULL;
+	struct adapter	*padapter = rtw_netdev_priv(dev);
+	u8 rf_type;
+
+	dir_dev = padapter->dir_dev;
+	padapter->dir_dev = NULL;
+
+	if (dir_dev) {
+		remove_proc_entry("write_reg", dir_dev);
+		remove_proc_entry("read_reg", dir_dev);
+		remove_proc_entry("fwstate", dir_dev);
+		remove_proc_entry("sec_info", dir_dev);
+		remove_proc_entry("mlmext_state", dir_dev);
+		remove_proc_entry("qos_option", dir_dev);
+		remove_proc_entry("ht_option", dir_dev);
+		remove_proc_entry("rf_info", dir_dev);
+		remove_proc_entry("ap_info", dir_dev);
+		remove_proc_entry("adapter_state", dir_dev);
+		remove_proc_entry("trx_info", dir_dev);
+		remove_proc_entry("mac_reg_dump1", dir_dev);
+		remove_proc_entry("mac_reg_dump2", dir_dev);
+		remove_proc_entry("mac_reg_dump3", dir_dev);
+		remove_proc_entry("bb_reg_dump1", dir_dev);
+		remove_proc_entry("bb_reg_dump2", dir_dev);
+		remove_proc_entry("bb_reg_dump3", dir_dev);
+		remove_proc_entry("rf_reg_dump1", dir_dev);
+		remove_proc_entry("rf_reg_dump2", dir_dev);
+		rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
+		if ((RF_1T2R == rf_type) || (RF_1T1R == rf_type)) {
+			remove_proc_entry("rf_reg_dump3", dir_dev);
+			remove_proc_entry("rf_reg_dump4", dir_dev);
+		}
+#ifdef CONFIG_88EU_AP_MODE
+		remove_proc_entry("all_sta_info", dir_dev);
+#endif
+
+		remove_proc_entry("best_channel", dir_dev);
+		remove_proc_entry("rx_signal", dir_dev);
+		remove_proc_entry("cbw40_enable", dir_dev);
+		remove_proc_entry("ht_enable", dir_dev);
+		remove_proc_entry("ampdu_enable", dir_dev);
+		remove_proc_entry("rx_stbc", dir_dev);
+		remove_proc_entry("path_rssi", dir_dev);
+		remove_proc_entry("rssi_disp", dir_dev);
+		remove_proc_entry(dev->name, rtw_proc);
+		dir_dev = NULL;
+	} else {
+		return;
+	}
+	rtw_proc_cnt--;
+
+	if (rtw_proc_cnt == 0) {
+		if (rtw_proc) {
+			remove_proc_entry("ver_info", rtw_proc);
+
+			remove_proc_entry(rtw_proc_name, init_net.proc_net);
+			rtw_proc = NULL;
+		}
+	}
+}
+#endif
+
+static uint loadparam(struct adapter *padapter,  struct  net_device *pnetdev)
+{
+	uint status = _SUCCESS;
+	struct registry_priv  *registry_par = &padapter->registrypriv;
+
+_func_enter_;
+
+	GlobalDebugLevel = rtw_debug;
+	registry_par->chip_version = (u8)rtw_chip_version;
+	registry_par->rfintfs = (u8)rtw_rfintfs;
+	registry_par->lbkmode = (u8)rtw_lbkmode;
+	registry_par->network_mode  = (u8)rtw_network_mode;
+
+	memcpy(registry_par->ssid.Ssid, "ANY", 3);
+	registry_par->ssid.SsidLength = 3;
+
+	registry_par->channel = (u8)rtw_channel;
+	registry_par->wireless_mode = (u8)rtw_wireless_mode;
+	registry_par->vrtl_carrier_sense = (u8)rtw_vrtl_carrier_sense ;
+	registry_par->vcs_type = (u8)rtw_vcs_type;
+	registry_par->rts_thresh = (u16)rtw_rts_thresh;
+	registry_par->frag_thresh = (u16)rtw_frag_thresh;
+	registry_par->preamble = (u8)rtw_preamble;
+	registry_par->scan_mode = (u8)rtw_scan_mode;
+	registry_par->adhoc_tx_pwr = (u8)rtw_adhoc_tx_pwr;
+	registry_par->soft_ap =  (u8)rtw_soft_ap;
+	registry_par->smart_ps =  (u8)rtw_smart_ps;
+	registry_par->power_mgnt = (u8)rtw_power_mgnt;
+	registry_par->ips_mode = (u8)rtw_ips_mode;
+	registry_par->radio_enable = (u8)rtw_radio_enable;
+	registry_par->long_retry_lmt = (u8)rtw_long_retry_lmt;
+	registry_par->short_retry_lmt = (u8)rtw_short_retry_lmt;
+	registry_par->busy_thresh = (u16)rtw_busy_thresh;
+	registry_par->ack_policy = (u8)rtw_ack_policy;
+	registry_par->mp_mode = (u8)rtw_mp_mode;
+	registry_par->software_encrypt = (u8)rtw_software_encrypt;
+	registry_par->software_decrypt = (u8)rtw_software_decrypt;
+	registry_par->acm_method = (u8)rtw_acm_method;
+
+	 /* UAPSD */
+	registry_par->wmm_enable = (u8)rtw_wmm_enable;
+	registry_par->uapsd_enable = (u8)rtw_uapsd_enable;
+	registry_par->uapsd_max_sp = (u8)rtw_uapsd_max_sp;
+	registry_par->uapsd_acbk_en = (u8)rtw_uapsd_acbk_en;
+	registry_par->uapsd_acbe_en = (u8)rtw_uapsd_acbe_en;
+	registry_par->uapsd_acvi_en = (u8)rtw_uapsd_acvi_en;
+	registry_par->uapsd_acvo_en = (u8)rtw_uapsd_acvo_en;
+
+	registry_par->ht_enable = (u8)rtw_ht_enable;
+	registry_par->cbw40_enable = (u8)rtw_cbw40_enable;
+	registry_par->ampdu_enable = (u8)rtw_ampdu_enable;
+	registry_par->rx_stbc = (u8)rtw_rx_stbc;
+	registry_par->ampdu_amsdu = (u8)rtw_ampdu_amsdu;
+	registry_par->lowrate_two_xmit = (u8)rtw_lowrate_two_xmit;
+	registry_par->rf_config = (u8)rtw_rf_config;
+	registry_par->low_power = (u8)rtw_low_power;
+	registry_par->wifi_spec = (u8)rtw_wifi_spec;
+	registry_par->channel_plan = (u8)rtw_channel_plan;
+	registry_par->bAcceptAddbaReq = (u8)rtw_AcceptAddbaReq;
+	registry_par->antdiv_cfg = (u8)rtw_antdiv_cfg;
+	registry_par->antdiv_type = (u8)rtw_antdiv_type;
+	registry_par->hwpdn_mode = (u8)rtw_hwpdn_mode;/* 0:disable, 1:enable, 2:by EFUSE config */
+	registry_par->hwpwrp_detect = (u8)rtw_hwpwrp_detect;/* 0:disable, 1:enable */
+	registry_par->hw_wps_pbc = (u8)rtw_hw_wps_pbc;
+
+	registry_par->max_roaming_times = (u8)rtw_max_roaming_times;
+
+	registry_par->fw_iol = rtw_fw_iol;
+
+	registry_par->enable80211d = (u8)rtw_80211d;
+	snprintf(registry_par->ifname, 16, "%s", ifname);
+	snprintf(registry_par->if2name, 16, "%s", if2name);
+	registry_par->notch_filter = (u8)rtw_notch_filter;
+_func_exit_;
+	return status;
+}
+
+static int rtw_net_set_mac_address(struct net_device *pnetdev, void *p)
+{
+	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
+	struct sockaddr *addr = p;
+
+	if (!padapter->bup)
+		memcpy(padapter->eeprompriv.mac_addr, addr->sa_data, ETH_ALEN);
+
+	return 0;
+}
+
+static struct net_device_stats *rtw_net_get_stats(struct net_device *pnetdev)
+{
+	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
+	struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
+	struct recv_priv *precvpriv = &(padapter->recvpriv);
+
+	padapter->stats.tx_packets = pxmitpriv->tx_pkts;/* pxmitpriv->tx_pkts++; */
+	padapter->stats.rx_packets = precvpriv->rx_pkts;/* precvpriv->rx_pkts++; */
+	padapter->stats.tx_dropped = pxmitpriv->tx_drop;
+	padapter->stats.rx_dropped = precvpriv->rx_drop;
+	padapter->stats.tx_bytes = pxmitpriv->tx_bytes;
+	padapter->stats.rx_bytes = precvpriv->rx_bytes;
+	return &padapter->stats;
+}
+
+/*
+ * AC to queue mapping
+ *
+ * AC_VO -> queue 0
+ * AC_VI -> queue 1
+ * AC_BE -> queue 2
+ * AC_BK -> queue 3
+ */
+static const u16 rtw_1d_to_queue[8] = { 2, 3, 3, 2, 1, 1, 0, 0 };
+
+/* Given a data frame determine the 802.1p/1d tag to use. */
+static unsigned int rtw_classify8021d(struct sk_buff *skb)
+{
+	unsigned int dscp;
+
+	/* skb->priority values from 256->263 are magic values to
+	 * directly indicate a specific 802.1d priority.  This is used
+	 * to allow 802.1d priority to be passed directly in from VLAN
+	 * tags, etc.
+	 */
+	if (skb->priority >= 256 && skb->priority <= 263)
+		return skb->priority - 256;
+
+	switch (skb->protocol) {
+	case htons(ETH_P_IP):
+		dscp = ip_hdr(skb)->tos & 0xfc;
+		break;
+	default:
+		return 0;
+	}
+
+	return dscp >> 5;
+}
+
+static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb)
+{
+	struct adapter	*padapter = rtw_netdev_priv(dev);
+	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+
+	skb->priority = rtw_classify8021d(skb);
+
+	if (pmlmepriv->acm_mask != 0)
+		skb->priority = qos_acm(pmlmepriv->acm_mask, skb->priority);
+
+	return rtw_1d_to_queue[skb->priority];
+}
+
+u16 rtw_recv_select_queue(struct sk_buff *skb)
+{
+	struct iphdr *piphdr;
+	unsigned int dscp;
+	__be16	eth_type;
+	u32 priority;
+	u8 *pdata = skb->data;
+
+	memcpy(&eth_type, pdata+(ETH_ALEN<<1), 2);
+
+	switch (eth_type) {
+	case htons(ETH_P_IP):
+		piphdr = (struct iphdr *)(pdata+ETH_HLEN);
+		dscp = piphdr->tos & 0xfc;
+		priority = dscp >> 5;
+		break;
+	default:
+		priority = 0;
+	}
+
+	return rtw_1d_to_queue[priority];
+}
+
+static const struct net_device_ops rtw_netdev_ops = {
+	.ndo_open = netdev_open,
+	.ndo_stop = netdev_close,
+	.ndo_start_xmit = rtw_xmit_entry,
+	.ndo_select_queue	= rtw_select_queue,
+	.ndo_set_mac_address = rtw_net_set_mac_address,
+	.ndo_get_stats = rtw_net_get_stats,
+	.ndo_do_ioctl = rtw_ioctl,
+};
+
+int rtw_init_netdev_name(struct net_device *pnetdev, const char *ifname)
+{
+	if (dev_alloc_name(pnetdev, ifname) < 0)
+		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("dev_alloc_name, fail!\n"));
+
+	netif_carrier_off(pnetdev);
+	return 0;
+}
+
+struct net_device *rtw_init_netdev(struct adapter *old_padapter)
+{
+	struct adapter *padapter;
+	struct net_device *pnetdev;
+
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+init_net_dev\n"));
+
+	if (old_padapter != NULL)
+		pnetdev = rtw_alloc_etherdev_with_old_priv(sizeof(struct adapter), (void *)old_padapter);
+	else
+		pnetdev = rtw_alloc_etherdev(sizeof(struct adapter));
+
+	if (!pnetdev)
+		return NULL;
+
+	padapter = rtw_netdev_priv(pnetdev);
+	padapter->pnetdev = pnetdev;
+	DBG_88E("register rtw_netdev_ops to netdev_ops\n");
+	pnetdev->netdev_ops = &rtw_netdev_ops;
+	pnetdev->watchdog_timeo = HZ*3; /* 3 second timeout */
+	pnetdev->wireless_handlers = (struct iw_handler_def *)&rtw_handlers_def;
+
+	/* step 2. */
+	loadparam(padapter, pnetdev);
+
+	return pnetdev;
+}
+
+u32 rtw_start_drv_threads(struct adapter *padapter)
+{
+	u32 _status = _SUCCESS;
+
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_start_drv_threads\n"));
+
+	padapter->cmdThread = kthread_run(rtw_cmd_thread, padapter, "RTW_CMD_THREAD");
+	if (IS_ERR(padapter->cmdThread))
+		_status = _FAIL;
+	else
+		_rtw_down_sema(&padapter->cmdpriv.terminate_cmdthread_sema); /* wait for cmd_thread to run */
+
+	rtw_hal_start_thread(padapter);
+	return _status;
+}
+
+void rtw_stop_drv_threads(struct adapter *padapter)
+{
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_stop_drv_threads\n"));
+
+	/* Below is to termindate rtw_cmd_thread & event_thread... */
+	_rtw_up_sema(&padapter->cmdpriv.cmd_queue_sema);
+	if (padapter->cmdThread)
+		_rtw_down_sema(&padapter->cmdpriv.terminate_cmdthread_sema);
+
+	rtw_hal_stop_thread(padapter);
+}
+
+static u8 rtw_init_default_value(struct adapter *padapter)
+{
+	u8 ret  = _SUCCESS;
+	struct registry_priv *pregistrypriv = &padapter->registrypriv;
+	struct xmit_priv	*pxmitpriv = &padapter->xmitpriv;
+	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+	struct security_priv *psecuritypriv = &padapter->securitypriv;
+
+	/* xmit_priv */
+	pxmitpriv->vcs_setting = pregistrypriv->vrtl_carrier_sense;
+	pxmitpriv->vcs = pregistrypriv->vcs_type;
+	pxmitpriv->vcs_type = pregistrypriv->vcs_type;
+	pxmitpriv->frag_len = pregistrypriv->frag_thresh;
+
+	/* mlme_priv */
+	pmlmepriv->scan_interval = SCAN_INTERVAL;/*  30*2 sec = 60sec */
+	pmlmepriv->scan_mode = SCAN_ACTIVE;
+
+	/* ht_priv */
+	pmlmepriv->htpriv.ampdu_enable = false;/* set to disabled */
+
+	/* security_priv */
+	psecuritypriv->binstallGrpkey = _FAIL;
+	psecuritypriv->sw_encrypt = pregistrypriv->software_encrypt;
+	psecuritypriv->sw_decrypt = pregistrypriv->software_decrypt;
+	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
+	psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
+	psecuritypriv->dot11PrivacyKeyIndex = 0;
+	psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
+	psecuritypriv->dot118021XGrpKeyid = 1;
+	psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
+	psecuritypriv->ndisencryptstatus = Ndis802_11WEPDisabled;
+
+	/* registry_priv */
+	rtw_init_registrypriv_dev_network(padapter);
+	rtw_update_registrypriv_dev_network(padapter);
+
+	/* hal_priv */
+	rtw_hal_def_value_init(padapter);
+
+	/* misc. */
+	padapter->bReadPortCancel = false;
+	padapter->bWritePortCancel = false;
+	padapter->bRxRSSIDisplay = 0;
+	padapter->bNotifyChannelChange = 0;
+#ifdef CONFIG_88EU_P2P
+	padapter->bShowGetP2PState = 1;
+#endif
+	return ret;
+}
+
+u8 rtw_reset_drv_sw(struct adapter *padapter)
+{
+	u8	ret8 = _SUCCESS;
+	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+	struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
+
+	/* hal_priv */
+	rtw_hal_def_value_init(padapter);
+	padapter->bReadPortCancel = false;
+	padapter->bWritePortCancel = false;
+	padapter->bRxRSSIDisplay = 0;
+	pmlmepriv->scan_interval = SCAN_INTERVAL;/*  30*2 sec = 60sec */
+
+	padapter->xmitpriv.tx_pkts = 0;
+	padapter->recvpriv.rx_pkts = 0;
+
+	pmlmepriv->LinkDetectInfo.bBusyTraffic = false;
+
+	_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING);
+
+	rtw_hal_sreset_reset_value(padapter);
+	pwrctrlpriv->pwr_state_check_cnts = 0;
+
+	/* mlmeextpriv */
+	padapter->mlmeextpriv.sitesurvey_res.state = SCAN_DISABLE;
+
+	rtw_set_signal_stat_timer(&padapter->recvpriv);
+
+	return ret8;
+}
+
+u8 rtw_init_drv_sw(struct adapter *padapter)
+{
+	u8	ret8 = _SUCCESS;
+
+_func_enter_;
+
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_init_drv_sw\n"));
+
+	if ((rtw_init_cmd_priv(&padapter->cmdpriv)) == _FAIL) {
+		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init cmd_priv\n"));
+		ret8 = _FAIL;
+		goto exit;
+	}
+
+	padapter->cmdpriv.padapter = padapter;
+
+	if ((rtw_init_evt_priv(&padapter->evtpriv)) == _FAIL) {
+		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init evt_priv\n"));
+		ret8 = _FAIL;
+		goto exit;
+	}
+
+	if (rtw_init_mlme_priv(padapter) == _FAIL) {
+		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init mlme_priv\n"));
+		ret8 = _FAIL;
+		goto exit;
+	}
+
+#ifdef CONFIG_88EU_P2P
+	rtw_init_wifidirect_timers(padapter);
+	init_wifidirect_info(padapter, P2P_ROLE_DISABLE);
+	reset_global_wifidirect_info(padapter);
+#endif /* CONFIG_88EU_P2P */
+
+	if (init_mlme_ext_priv(padapter) == _FAIL) {
+		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init mlme_ext_priv\n"));
+		ret8 = _FAIL;
+		goto exit;
+	}
+
+	if (_rtw_init_xmit_priv(&padapter->xmitpriv, padapter) == _FAIL) {
+		DBG_88E("Can't _rtw_init_xmit_priv\n");
+		ret8 = _FAIL;
+		goto exit;
+	}
+
+	if (_rtw_init_recv_priv(&padapter->recvpriv, padapter) == _FAIL) {
+		DBG_88E("Can't _rtw_init_recv_priv\n");
+		ret8 = _FAIL;
+		goto exit;
+	}
+
+	if (_rtw_init_sta_priv(&padapter->stapriv) == _FAIL) {
+		DBG_88E("Can't _rtw_init_sta_priv\n");
+		ret8 = _FAIL;
+		goto exit;
+	}
+
+	padapter->stapriv.padapter = padapter;
+
+	rtw_init_bcmc_stainfo(padapter);
+
+	rtw_init_pwrctrl_priv(padapter);
+
+	if (init_mp_priv(padapter) == _FAIL)
+		DBG_88E("%s: initialize MP private data Fail!\n", __func__);
+
+	ret8 = rtw_init_default_value(padapter);
+
+	rtw_hal_dm_init(padapter);
+	rtw_hal_sw_led_init(padapter);
+
+	rtw_hal_sreset_init(padapter);
+
+	_rtw_spinlock_init(&padapter->br_ext_lock);
+
+exit:
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-rtw_init_drv_sw\n"));
+
+	_func_exit_;
+
+	return ret8;
+}
+
+void rtw_cancel_all_timer(struct adapter *padapter)
+{
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_cancel_all_timer\n"));
+
+	_cancel_timer_ex(&padapter->mlmepriv.assoc_timer);
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel association timer complete!\n"));
+
+	_cancel_timer_ex(&padapter->mlmepriv.scan_to_timer);
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel scan_to_timer!\n"));
+
+	_cancel_timer_ex(&padapter->mlmepriv.dynamic_chk_timer);
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel dynamic_chk_timer!\n"));
+
+	/*  cancel sw led timer */
+	rtw_hal_sw_led_deinit(padapter);
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("rtw_cancel_all_timer:cancel DeInitSwLeds!\n"));
+
+	_cancel_timer_ex(&padapter->pwrctrlpriv.pwr_state_check_timer);
+
+	_cancel_timer_ex(&padapter->recvpriv.signal_stat_timer);
+	/* cancel dm timer */
+	rtw_hal_dm_deinit(padapter);
+}
+
+u8 rtw_free_drv_sw(struct adapter *padapter)
+{
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("==>rtw_free_drv_sw"));
+
+	/* we can call rtw_p2p_enable here, but: */
+	/*  1. rtw_p2p_enable may have IO operation */
+	/*  2. rtw_p2p_enable is bundled with wext interface */
+	#ifdef CONFIG_88EU_P2P
+	{
+		struct wifidirect_info *pwdinfo = &padapter->wdinfo;
+		if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) {
+			_cancel_timer_ex(&pwdinfo->find_phase_timer);
+			_cancel_timer_ex(&pwdinfo->restore_p2p_state_timer);
+			_cancel_timer_ex(&pwdinfo->pre_tx_scan_timer);
+			rtw_p2p_set_state(pwdinfo, P2P_STATE_NONE);
+		}
+	}
+	#endif
+
+
+	_rtw_spinlock_free(&padapter->br_ext_lock);
+
+	free_mlme_ext_priv(&padapter->mlmeextpriv);
+
+	rtw_free_cmd_priv(&padapter->cmdpriv);
+
+	rtw_free_evt_priv(&padapter->evtpriv);
+
+	rtw_free_mlme_priv(&padapter->mlmepriv);
+	_rtw_free_xmit_priv(&padapter->xmitpriv);
+
+	_rtw_free_sta_priv(&padapter->stapriv); /* will free bcmc_stainfo here */
+
+	_rtw_free_recv_priv(&padapter->recvpriv);
+
+	rtw_free_pwrctrl_priv(padapter);
+
+	rtw_hal_free_data(padapter);
+
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("<== rtw_free_drv_sw\n"));
+
+	/* free the old_pnetdev */
+	if (padapter->rereg_nd_name_priv.old_pnetdev) {
+		free_netdev(padapter->rereg_nd_name_priv.old_pnetdev);
+		padapter->rereg_nd_name_priv.old_pnetdev = NULL;
+	}
+
+	/*  clear pbuddystruct adapter to avoid access wrong pointer. */
+	if (padapter->pbuddy_adapter != NULL)
+		padapter->pbuddy_adapter->pbuddy_adapter = NULL;
+
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-rtw_free_drv_sw\n"));
+
+	return _SUCCESS;
+}
+
+void netdev_br_init(struct net_device *netdev)
+{
+	struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
+
+	rcu_read_lock();
+
+	if (rcu_dereference(adapter->pnetdev->rx_handler_data)) {
+		struct net_device *br_netdev;
+		struct net *devnet = NULL;
+
+		devnet = dev_net(netdev);
+		br_netdev = dev_get_by_name(devnet, CONFIG_BR_EXT_BRNAME);
+		if (br_netdev) {
+			memcpy(adapter->br_mac, br_netdev->dev_addr, ETH_ALEN);
+			dev_put(br_netdev);
+		} else {
+			pr_info("%s()-%d: dev_get_by_name(%s) failed!",
+				__func__, __LINE__, CONFIG_BR_EXT_BRNAME);
+		}
+	}
+	adapter->ethBrExtInfo.addPPPoETag = 1;
+
+	rcu_read_unlock();
+}
+
+int _netdev_open(struct net_device *pnetdev)
+{
+	uint status;
+	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
+	struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
+
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+88eu_drv - dev_open\n"));
+	DBG_88E("+88eu_drv - drv_open, bup =%d\n", padapter->bup);
+
+	if (pwrctrlpriv->ps_flag) {
+		padapter->net_closed = false;
+		goto netdev_open_normal_process;
+	}
+
+	if (!padapter->bup) {
+		padapter->bDriverStopped = false;
+		padapter->bSurpriseRemoved = false;
+		padapter->bCardDisableWOHSM = false;
+
+		status = rtw_hal_init(padapter);
+		if (status == _FAIL) {
+			RT_TRACE(_module_os_intfs_c_, _drv_err_, ("rtl88eu_hal_init(): Can't init h/w!\n"));
+			goto netdev_open_error;
+		}
+
+		pr_info("MAC Address = %pM\n", pnetdev->dev_addr);
+
+		status = rtw_start_drv_threads(padapter);
+		if (status == _FAIL) {
+			pr_info("Initialize driver software resource Failed!\n");
+			goto netdev_open_error;
+		}
+
+		if (init_hw_mlme_ext(padapter) == _FAIL) {
+			pr_info("can't init mlme_ext_priv\n");
+			goto netdev_open_error;
+		}
+		if (padapter->intf_start)
+			padapter->intf_start(padapter);
+		rtw_proc_init_one(pnetdev);
+
+		rtw_led_control(padapter, LED_CTL_NO_LINK);
+
+		padapter->bup = true;
+	}
+	padapter->net_closed = false;
+
+	_set_timer(&padapter->mlmepriv.dynamic_chk_timer, 2000);
+
+	padapter->pwrctrlpriv.bips_processing = false;
+	rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
+
+	if (!rtw_netif_queue_stopped(pnetdev))
+		rtw_netif_start_queue(pnetdev);
+	else
+		rtw_netif_wake_queue(pnetdev);
+
+	netdev_br_init(pnetdev);
+
+netdev_open_normal_process:
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-88eu_drv - dev_open\n"));
+	DBG_88E("-88eu_drv - drv_open, bup =%d\n", padapter->bup);
+	return 0;
+
+netdev_open_error:
+	padapter->bup = false;
+	netif_carrier_off(pnetdev);
+	rtw_netif_stop_queue(pnetdev);
+	RT_TRACE(_module_os_intfs_c_, _drv_err_, ("-88eu_drv - dev_open, fail!\n"));
+	DBG_88E("-88eu_drv - drv_open fail, bup =%d\n", padapter->bup);
+	return -1;
+}
+
+int netdev_open(struct net_device *pnetdev)
+{
+	int ret;
+	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
+
+	_enter_critical_mutex(padapter->hw_init_mutex, NULL);
+	ret = _netdev_open(pnetdev);
+	_exit_critical_mutex(padapter->hw_init_mutex, NULL);
+	return ret;
+}
+
+static int  ips_netdrv_open(struct adapter *padapter)
+{
+	int status = _SUCCESS;
+	padapter->net_closed = false;
+	DBG_88E("===> %s.........\n", __func__);
+
+	padapter->bDriverStopped = false;
+	padapter->bSurpriseRemoved = false;
+	padapter->bCardDisableWOHSM = false;
+
+	status = rtw_hal_init(padapter);
+	if (status == _FAIL) {
+		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("ips_netdrv_open(): Can't init h/w!\n"));
+		goto netdev_open_error;
+	}
+
+	if (padapter->intf_start)
+		padapter->intf_start(padapter);
+
+	rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
+	_set_timer(&padapter->mlmepriv.dynamic_chk_timer, 5000);
+
+	 return _SUCCESS;
+
+netdev_open_error:
+	DBG_88E("-ips_netdrv_open - drv_open failure, bup =%d\n", padapter->bup);
+
+	return _FAIL;
+}
+
+
+int rtw_ips_pwr_up(struct adapter *padapter)
+{
+	int result;
+	u32 start_time = rtw_get_current_time();
+	DBG_88E("===>  rtw_ips_pwr_up..............\n");
+	rtw_reset_drv_sw(padapter);
+
+	result = ips_netdrv_open(padapter);
+
+	rtw_led_control(padapter, LED_CTL_NO_LINK);
+
+	DBG_88E("<===  rtw_ips_pwr_up.............. in %dms\n", rtw_get_passing_time_ms(start_time));
+	return result;
+}
+
+void rtw_ips_pwr_down(struct adapter *padapter)
+{
+	u32 start_time = rtw_get_current_time();
+	DBG_88E("===> rtw_ips_pwr_down...................\n");
+
+	padapter->bCardDisableWOHSM = true;
+	padapter->net_closed = true;
+
+	rtw_led_control(padapter, LED_CTL_POWER_OFF);
+
+	rtw_ips_dev_unload(padapter);
+	padapter->bCardDisableWOHSM = false;
+	DBG_88E("<=== rtw_ips_pwr_down..................... in %dms\n", rtw_get_passing_time_ms(start_time));
+}
+
+void rtw_ips_dev_unload(struct adapter *padapter)
+{
+	DBG_88E("====> %s...\n", __func__);
+
+	rtw_hal_set_hwreg(padapter, HW_VAR_FIFO_CLEARN_UP, NULL);
+
+	if (padapter->intf_stop)
+		padapter->intf_stop(padapter);
+
+	/* s5. */
+	if (!padapter->bSurpriseRemoved)
+		rtw_hal_deinit(padapter);
+}
+
+int pm_netdev_open(struct net_device *pnetdev, u8 bnormal)
+{
+	int status;
+
+	if (bnormal)
+		status = netdev_open(pnetdev);
+	else
+		status =  (_SUCCESS == ips_netdrv_open((struct adapter *)rtw_netdev_priv(pnetdev))) ? (0) : (-1);
+	return status;
+}
+
+int netdev_close(struct net_device *pnetdev)
+{
+	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
+
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+88eu_drv - drv_close\n"));
+
+	if (padapter->pwrctrlpriv.bInternalAutoSuspend) {
+		if (padapter->pwrctrlpriv.rf_pwrstate == rf_off)
+			padapter->pwrctrlpriv.ps_flag = true;
+	}
+	padapter->net_closed = true;
+
+	if (padapter->pwrctrlpriv.rf_pwrstate == rf_on) {
+		DBG_88E("(2)88eu_drv - drv_close, bup =%d, hw_init_completed =%d\n",
+			padapter->bup, padapter->hw_init_completed);
+
+		/* s1. */
+		if (pnetdev) {
+			if (!rtw_netif_queue_stopped(pnetdev))
+				rtw_netif_stop_queue(pnetdev);
+		}
+
+		/* s2. */
+		LeaveAllPowerSaveMode(padapter);
+		rtw_disassoc_cmd(padapter, 500, false);
+		/* s2-2.  indicate disconnect to os */
+		rtw_indicate_disconnect(padapter);
+		/* s2-3. */
+		rtw_free_assoc_resources(padapter, 1);
+		/* s2-4. */
+		rtw_free_network_queue(padapter, true);
+		/*  Close LED */
+		rtw_led_control(padapter, LED_CTL_POWER_OFF);
+	}
+
+	nat25_db_cleanup(padapter);
+
+#ifdef CONFIG_88EU_P2P
+	rtw_p2p_enable(padapter, P2P_ROLE_DISABLE);
+#endif /* CONFIG_88EU_P2P */
+
+	RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-88eu_drv - drv_close\n"));
+	DBG_88E("-88eu_drv - drv_close, bup =%d\n", padapter->bup);
+	return 0;
+}

drivers/staging/rtl8188eu/os_dep/recv_linux.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 _RECV_OSDEP_C_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+
+#include <wifi.h>
+#include <recv_osdep.h>
+
+#include <osdep_intf.h>
+#include <ethernet.h>
+#include <usb_ops.h>
+
+/* init os related resource in struct recv_priv */
+int rtw_os_recv_resource_init(struct recv_priv *precvpriv,
+			      struct adapter *padapter)
+{
+	return _SUCCESS;
+}
+
+/* alloc os related resource in union recv_frame */
+int rtw_os_recv_resource_alloc(struct adapter *padapter,
+			       union recv_frame *precvframe)
+{
+	precvframe->u.hdr.pkt_newalloc = NULL;
+	precvframe->u.hdr.pkt = NULL;
+	return _SUCCESS;
+}
+
+/* free os related resource in union recv_frame */
+void rtw_os_recv_resource_free(struct recv_priv *precvpriv)
+{
+}
+
+/* alloc os related resource in struct recv_buf */
+int rtw_os_recvbuf_resource_alloc(struct adapter *padapter,
+				  struct recv_buf *precvbuf)
+{
+	int res = _SUCCESS;
+
+	precvbuf->irp_pending = false;
+	precvbuf->purb = usb_alloc_urb(0, GFP_KERNEL);
+	if (precvbuf->purb == NULL)
+		res = _FAIL;
+	precvbuf->pskb = NULL;
+	precvbuf->reuse = false;
+	precvbuf->pallocated_buf = NULL;
+	precvbuf->pbuf = NULL;
+	precvbuf->pdata = NULL;
+	precvbuf->phead = NULL;
+	precvbuf->ptail = NULL;
+	precvbuf->pend = NULL;
+	precvbuf->transfer_len = 0;
+	precvbuf->len = 0;
+	return res;
+}
+
+/* free os related resource in struct recv_buf */
+int rtw_os_recvbuf_resource_free(struct adapter *padapter,
+				 struct recv_buf *precvbuf)
+{
+	if (precvbuf->purb)
+		usb_free_urb(precvbuf->purb);
+	return _SUCCESS;
+}
+
+void rtw_handle_tkip_mic_err(struct adapter *padapter, u8 bgroup)
+{
+	union iwreq_data wrqu;
+	struct iw_michaelmicfailure    ev;
+	struct mlme_priv *pmlmepriv  = &padapter->mlmepriv;
+	struct security_priv	*psecuritypriv = &padapter->securitypriv;
+	u32 cur_time = 0;
+
+	if (psecuritypriv->last_mic_err_time == 0) {
+		psecuritypriv->last_mic_err_time = rtw_get_current_time();
+	} else {
+		cur_time = rtw_get_current_time();
+
+		if (cur_time - psecuritypriv->last_mic_err_time < 60*HZ) {
+			psecuritypriv->btkip_countermeasure = true;
+			psecuritypriv->last_mic_err_time = 0;
+			psecuritypriv->btkip_countermeasure_time = cur_time;
+		} else {
+			psecuritypriv->last_mic_err_time = rtw_get_current_time();
+		}
+	}
+
+	_rtw_memset(&ev, 0x00, sizeof(ev));
+	if (bgroup)
+		ev.flags |= IW_MICFAILURE_GROUP;
+	else
+		ev.flags |= IW_MICFAILURE_PAIRWISE;
+
+	ev.src_addr.sa_family = ARPHRD_ETHER;
+	memcpy(ev.src_addr.sa_data, &pmlmepriv->assoc_bssid[0], ETH_ALEN);
+	_rtw_memset(&wrqu, 0x00, sizeof(wrqu));
+	wrqu.data.length = sizeof(ev);
+	wireless_send_event(padapter->pnetdev, IWEVMICHAELMICFAILURE,
+			    &wrqu, (char *)&ev);
+}
+
+void rtw_hostapd_mlme_rx(struct adapter *padapter,
+			 union recv_frame *precv_frame)
+{
+}
+
+int rtw_recv_indicatepkt(struct adapter *padapter,
+			 union recv_frame *precv_frame)
+{
+	struct recv_priv *precvpriv;
+	struct __queue *pfree_recv_queue;
+	struct sk_buff *skb;
+	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+
+_func_enter_;
+
+	precvpriv = &(padapter->recvpriv);
+	pfree_recv_queue = &(precvpriv->free_recv_queue);
+
+	skb = precv_frame->u.hdr.pkt;
+	if (skb == NULL) {
+		RT_TRACE(_module_recv_osdep_c_, _drv_err_,
+			 ("rtw_recv_indicatepkt():skb == NULL something wrong!!!!\n"));
+		goto _recv_indicatepkt_drop;
+	}
+
+	RT_TRACE(_module_recv_osdep_c_, _drv_info_,
+		 ("rtw_recv_indicatepkt():skb != NULL !!!\n"));
+	RT_TRACE(_module_recv_osdep_c_, _drv_info_,
+		 ("rtw_recv_indicatepkt():precv_frame->u.hdr.rx_head =%p  precv_frame->hdr.rx_data =%p\n",
+		 precv_frame->u.hdr.rx_head, precv_frame->u.hdr.rx_data));
+	RT_TRACE(_module_recv_osdep_c_, _drv_info_,
+		 ("precv_frame->hdr.rx_tail =%p precv_frame->u.hdr.rx_end =%p precv_frame->hdr.len =%d\n",
+		 precv_frame->u.hdr.rx_tail, precv_frame->u.hdr.rx_end,
+		 precv_frame->u.hdr.len));
+
+	skb->data = precv_frame->u.hdr.rx_data;
+
+	skb_set_tail_pointer(skb, precv_frame->u.hdr.len);
+
+	skb->len = precv_frame->u.hdr.len;
+
+	RT_TRACE(_module_recv_osdep_c_, _drv_info_,
+		 ("skb->head =%p skb->data =%p skb->tail =%p skb->end =%p skb->len =%d\n",
+		 skb->head, skb->data, skb_tail_pointer(skb),
+		 skb_end_pointer(skb), skb->len));
+
+	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
+		struct sk_buff *pskb2 = NULL;
+		struct sta_info *psta = NULL;
+		struct sta_priv *pstapriv = &padapter->stapriv;
+		struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
+		int bmcast = IS_MCAST(pattrib->dst);
+
+		if (!_rtw_memcmp(pattrib->dst, myid(&padapter->eeprompriv),
+				 ETH_ALEN)) {
+			if (bmcast) {
+				psta = rtw_get_bcmc_stainfo(padapter);
+				pskb2 = skb_clone(skb, GFP_ATOMIC);
+			} else {
+				psta = rtw_get_stainfo(pstapriv, pattrib->dst);
+			}
+
+			if (psta) {
+				struct net_device *pnetdev;
+
+				pnetdev = (struct net_device *)padapter->pnetdev;
+				skb->dev = pnetdev;
+				skb_set_queue_mapping(skb, rtw_recv_select_queue(skb));
+
+				rtw_xmit_entry(skb, pnetdev);
+
+				if (bmcast)
+					skb = pskb2;
+				else
+					goto _recv_indicatepkt_end;
+			}
+		}
+	}
+
+	rcu_read_lock();
+	rcu_dereference(padapter->pnetdev->rx_handler_data);
+	rcu_read_unlock();
+
+	skb->ip_summed = CHECKSUM_NONE;
+	skb->dev = padapter->pnetdev;
+	skb->protocol = eth_type_trans(skb, padapter->pnetdev);
+
+	netif_rx(skb);
+
+_recv_indicatepkt_end:
+
+	/*  pointers to NULL before rtw_free_recvframe() */
+	precv_frame->u.hdr.pkt = NULL;
+
+	rtw_free_recvframe(precv_frame, pfree_recv_queue);
+
+	RT_TRACE(_module_recv_osdep_c_, _drv_info_,
+		 ("\n rtw_recv_indicatepkt :after netif_rx!!!!\n"));
+
+_func_exit_;
+
+	return _SUCCESS;
+
+_recv_indicatepkt_drop:
+
+	 /* enqueue back to free_recv_queue */
+	if (precv_frame)
+		rtw_free_recvframe(precv_frame, pfree_recv_queue);
+
+_func_exit_;
+	 return _FAIL;
+}
+
+void rtw_os_read_port(struct adapter *padapter, struct recv_buf *precvbuf)
+{
+	struct recv_priv *precvpriv = &padapter->recvpriv;
+
+	precvbuf->ref_cnt--;
+	/* free skb in recv_buf */
+	dev_kfree_skb_any(precvbuf->pskb);
+	precvbuf->pskb = NULL;
+	precvbuf->reuse = false;
+	if (!precvbuf->irp_pending)
+		rtw_read_port(padapter, precvpriv->ff_hwaddr, 0,
+			      (unsigned char *)precvbuf);
+}
+
+static void _rtw_reordering_ctrl_timeout_handler(void *func_context)
+{
+	struct recv_reorder_ctrl *preorder_ctrl;
+
+	preorder_ctrl = (struct recv_reorder_ctrl *)func_context;
+	rtw_reordering_ctrl_timeout_handler(preorder_ctrl);
+}
+
+void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl)
+{
+	struct adapter *padapter = preorder_ctrl->padapter;
+
+	_init_timer(&(preorder_ctrl->reordering_ctrl_timer), padapter->pnetdev, _rtw_reordering_ctrl_timeout_handler, preorder_ctrl);
+}

drivers/staging/rtl8188eu/os_dep/rtw_android.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
+ *
+ *
+ ******************************************************************************/
+
+#include <linux/module.h>
+#include <linux/netdevice.h>
+
+#include <rtw_android.h>
+#include <osdep_service.h>
+#include <rtw_debug.h>
+#include <ioctl_cfg80211.h>
+#include <rtw_ioctl_set.h>
+
+static const char *android_wifi_cmd_str[ANDROID_WIFI_CMD_MAX] = {
+	"START",
+	"STOP",
+	"SCAN-ACTIVE",
+	"SCAN-PASSIVE",
+	"RSSI",
+	"LINKSPEED",
+	"RXFILTER-START",
+	"RXFILTER-STOP",
+	"RXFILTER-ADD",
+	"RXFILTER-REMOVE",
+	"BTCOEXSCAN-START",
+	"BTCOEXSCAN-STOP",
+	"BTCOEXMODE",
+	"SETSUSPENDOPT",
+	"P2P_DEV_ADDR",
+	"SETFWPATH",
+	"SETBAND",
+	"GETBAND",
+	"COUNTRY",
+	"P2P_SET_NOA",
+	"P2P_GET_NOA",
+	"P2P_SET_PS",
+	"SET_AP_WPS_P2P_IE",
+	"MACADDR",
+	"BLOCK",
+	"WFD-ENABLE",
+	"WFD-DISABLE",
+	"WFD-SET-TCPPORT",
+	"WFD-SET-MAXTPUT",
+	"WFD-SET-DEVTYPE",
+};
+
+struct android_wifi_priv_cmd {
+	const char __user *buf;
+	int used_len;
+	int total_len;
+};
+
+/**
+ * Local (static) functions and variables
+ */
+
+/* Initialize g_wifi_on to 1 so dhd_bus_start will be called for the first
+ * time (only) in dhd_open, subsequential wifi on will be handled by
+ * wl_android_wifi_on
+ */
+static int g_wifi_on = true;
+
+int rtw_android_cmdstr_to_num(char *cmdstr)
+{
+	int cmd_num;
+	for (cmd_num = 0; cmd_num < ANDROID_WIFI_CMD_MAX; cmd_num++)
+		if (0 == strnicmp(cmdstr , android_wifi_cmd_str[cmd_num],
+				  strlen(android_wifi_cmd_str[cmd_num])))
+			break;
+	return cmd_num;
+}
+
+static int rtw_android_get_rssi(struct net_device *net, char *command,
+				int total_len)
+{
+	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(net);
+	struct	mlme_priv	*pmlmepriv = &(padapter->mlmepriv);
+	struct	wlan_network	*pcur_network = &pmlmepriv->cur_network;
+	int bytes_written = 0;
+
+	if (check_fwstate(pmlmepriv, _FW_LINKED)) {
+		bytes_written += snprintf(&command[bytes_written], total_len,
+					  "%s rssi %d",
+					  pcur_network->network.Ssid.Ssid,
+					  padapter->recvpriv.rssi);
+	}
+	return bytes_written;
+}
+
+static int rtw_android_get_link_speed(struct net_device *net, char *command,
+				      int total_len)
+{
+	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(net);
+	int bytes_written;
+	u16 link_speed;
+
+	link_speed = rtw_get_cur_max_rate(padapter) / 10;
+	bytes_written = snprintf(command, total_len, "LinkSpeed %d",
+				 link_speed);
+	return bytes_written;
+}
+
+static int rtw_android_get_macaddr(struct net_device *net, char *command,
+				   int total_len)
+{
+	int bytes_written;
+
+	bytes_written = snprintf(command, total_len, "Macaddr = %pM",
+				 net->dev_addr);
+	return bytes_written;
+}
+
+static int android_set_cntry(struct net_device *net, char *command,
+			     int total_len)
+{
+	struct adapter *adapter = (struct adapter *)rtw_netdev_priv(net);
+	char *country_code = command + strlen(android_wifi_cmd_str[ANDROID_WIFI_CMD_COUNTRY]) + 1;
+	int ret;
+
+	ret = rtw_set_country(adapter, country_code);
+	return (ret == _SUCCESS) ? 0 : -1;
+}
+
+static int android_get_p2p_addr(struct net_device *net, char *command,
+					int total_len)
+{
+	/* We use the same address as our HW MAC address */
+	memcpy(command, net->dev_addr, ETH_ALEN);
+	return ETH_ALEN;
+}
+
+static int rtw_android_set_block(struct net_device *net, char *command,
+				 int total_len)
+{
+	return 0;
+}
+
+int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
+{
+	int ret = 0;
+	char *command = NULL;
+	int cmd_num;
+	int bytes_written = 0;
+	struct android_wifi_priv_cmd priv_cmd;
+
+	rtw_lock_suspend();
+	if (!ifr->ifr_data) {
+		ret = -EINVAL;
+		goto exit;
+	}
+	if (copy_from_user(&priv_cmd, ifr->ifr_data,
+			   sizeof(struct android_wifi_priv_cmd))) {
+		ret = -EFAULT;
+		goto exit;
+	}
+	command = kmalloc(priv_cmd.total_len, GFP_KERNEL);
+	if (!command) {
+		DBG_88E("%s: failed to allocate memory\n", __func__);
+		ret = -ENOMEM;
+		goto exit;
+	}
+	if (!access_ok(VERIFY_READ, priv_cmd.buf, priv_cmd.total_len)) {
+		DBG_88E("%s: failed to access memory\n", __func__);
+		ret = -EFAULT;
+		goto exit;
+	}
+	if (copy_from_user(command, (char __user *)priv_cmd.buf,
+			   priv_cmd.total_len)) {
+		ret = -EFAULT;
+		goto exit;
+	}
+	DBG_88E("%s: Android private cmd \"%s\" on %s\n",
+		__func__, command, ifr->ifr_name);
+	cmd_num = rtw_android_cmdstr_to_num(command);
+	switch (cmd_num) {
+	case ANDROID_WIFI_CMD_START:
+		goto response;
+	case ANDROID_WIFI_CMD_SETFWPATH:
+		goto response;
+	}
+	if (!g_wifi_on) {
+		DBG_88E("%s: Ignore private cmd \"%s\" - iface %s is down\n",
+			__func__, command, ifr->ifr_name);
+		ret = 0;
+		goto exit;
+	}
+	switch (cmd_num) {
+	case ANDROID_WIFI_CMD_STOP:
+		break;
+	case ANDROID_WIFI_CMD_SCAN_ACTIVE:
+		break;
+	case ANDROID_WIFI_CMD_SCAN_PASSIVE:
+		break;
+	case ANDROID_WIFI_CMD_RSSI:
+		bytes_written = rtw_android_get_rssi(net, command,
+						     priv_cmd.total_len);
+		break;
+	case ANDROID_WIFI_CMD_LINKSPEED:
+		bytes_written = rtw_android_get_link_speed(net, command,
+							   priv_cmd.total_len);
+		break;
+	case ANDROID_WIFI_CMD_MACADDR:
+		bytes_written = rtw_android_get_macaddr(net, command,
+							priv_cmd.total_len);
+		break;
+	case ANDROID_WIFI_CMD_BLOCK:
+		bytes_written = rtw_android_set_block(net, command,
+						      priv_cmd.total_len);
+		break;
+	case ANDROID_WIFI_CMD_RXFILTER_START:
+		break;
+	case ANDROID_WIFI_CMD_RXFILTER_STOP:
+		break;
+	case ANDROID_WIFI_CMD_RXFILTER_ADD:
+		break;
+	case ANDROID_WIFI_CMD_RXFILTER_REMOVE:
+		break;
+	case ANDROID_WIFI_CMD_BTCOEXSCAN_START:
+		/* TBD: BTCOEXSCAN-START */
+		break;
+	case ANDROID_WIFI_CMD_BTCOEXSCAN_STOP:
+		/* TBD: BTCOEXSCAN-STOP */
+		break;
+	case ANDROID_WIFI_CMD_BTCOEXMODE:
+		break;
+	case ANDROID_WIFI_CMD_SETSUSPENDOPT:
+		break;
+	case ANDROID_WIFI_CMD_SETBAND:
+		break;
+	case ANDROID_WIFI_CMD_GETBAND:
+		break;
+	case ANDROID_WIFI_CMD_COUNTRY:
+		bytes_written = android_set_cntry(net, command,
+						  priv_cmd.total_len);
+		break;
+	case ANDROID_WIFI_CMD_P2P_DEV_ADDR:
+		bytes_written = android_get_p2p_addr(net, command,
+						     priv_cmd.total_len);
+		break;
+	case ANDROID_WIFI_CMD_P2P_SET_NOA:
+		break;
+	case ANDROID_WIFI_CMD_P2P_GET_NOA:
+		break;
+	case ANDROID_WIFI_CMD_P2P_SET_PS:
+		break;
+	default:
+		DBG_88E("Unknown PRIVATE command %s - ignored\n", command);
+		snprintf(command, 3, "OK");
+		bytes_written = strlen("OK");
+	}
+
+response:
+	if (bytes_written >= 0) {
+		if ((bytes_written == 0) && (priv_cmd.total_len > 0))
+			command[0] = '\0';
+		if (bytes_written >= priv_cmd.total_len) {
+			DBG_88E("%s: bytes_written = %d\n", __func__,
+				bytes_written);
+			bytes_written = priv_cmd.total_len;
+		} else {
+			bytes_written++;
+		}
+		priv_cmd.used_len = bytes_written;
+		if (copy_to_user((char __user *)priv_cmd.buf, command,
+				 bytes_written)) {
+			DBG_88E("%s: failed to copy data to user buffer\n",
+				__func__);
+			ret = -EFAULT;
+		}
+	} else {
+		ret = bytes_written;
+	}
+exit:
+	rtw_unlock_suspend();
+	kfree(command);
+	return ret;
+}