New upstream version 5.3.9~20191129

os_dep/linux/custom_gpio_linux.c

@@ -0,0 +1,340 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 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 "drv_types.h"
+
+#ifdef CONFIG_PLATFORM_SPRD
+
+/* gspi func & GPIO define */
+#include <mach/gpio.h>/* 0915 */
+#include <mach/board.h>
+
+#if !(defined ANDROID_2X)
+
+#ifdef CONFIG_RTL8188E
+#include <mach/regulator.h>
+#include <linux/regulator/consumer.h>
+#endif /* CONFIG_RTL8188E */
+
+#ifndef GPIO_WIFI_POWER
+#define GPIO_WIFI_POWER -1
+#endif /* !GPIO_WIFI_POWER */
+
+#ifndef GPIO_WIFI_RESET
+#define GPIO_WIFI_RESET -1
+#endif /* !GPIO_WIFI_RESET */
+
+#ifndef GPIO_WIFI_PWDN
+#define GPIO_WIFI_PWDN -1
+#endif /* !GPIO_WIFI_RESET */
+#ifdef CONFIG_GSPI_HCI
+extern unsigned int oob_irq;
+#endif /* CONFIG_GSPI_HCI */
+
+#ifdef CONFIG_SDIO_HCI
+extern int rtw_mp_mode;
+#else /* !CONFIG_SDIO_HCI */
+#endif /* !CONFIG_SDIO_HCI */
+
+int rtw_wifi_gpio_init(void)
+{
+#ifdef CONFIG_GSPI_HCI
+	if (GPIO_WIFI_IRQ > 0) {
+		gpio_request(GPIO_WIFI_IRQ, "oob_irq");
+		gpio_direction_input(GPIO_WIFI_IRQ);
+
+		oob_irq = gpio_to_irq(GPIO_WIFI_IRQ);
+
+		RTW_INFO("%s oob_irq:%d\n", __func__, oob_irq);
+	}
+#endif
+	if (GPIO_WIFI_RESET > 0)
+		gpio_request(GPIO_WIFI_RESET , "wifi_rst");
+	if (GPIO_WIFI_POWER > 0)
+		gpio_request(GPIO_WIFI_POWER, "wifi_power");
+
+#ifdef CONFIG_SDIO_HCI
+#if (defined(CONFIG_RTL8723B)) && (MP_DRIVER == 1)
+	if (rtw_mp_mode == 1) {
+		RTW_INFO("%s GPIO_BT_RESET pin special for mp_test\n", __func__);
+		if (GPIO_BT_RESET > 0)
+			gpio_request(GPIO_BT_RESET , "bt_rst");
+	}
+#endif
+#endif
+	return 0;
+}
+
+int rtw_wifi_gpio_deinit(void)
+{
+#ifdef CONFIG_GSPI_HCI
+	if (GPIO_WIFI_IRQ > 0)
+		gpio_free(GPIO_WIFI_IRQ);
+#endif
+	if (GPIO_WIFI_RESET > 0)
+		gpio_free(GPIO_WIFI_RESET);
+	if (GPIO_WIFI_POWER > 0)
+		gpio_free(GPIO_WIFI_POWER);
+
+#ifdef CONFIG_SDIO_HCI
+#if (defined(CONFIG_RTL8723B)) && (MP_DRIVER == 1)
+	if (rtw_mp_mode == 1) {
+		RTW_INFO("%s GPIO_BT_RESET pin special for mp_test\n", __func__);
+		if (GPIO_BT_RESET > 0)
+			gpio_free(GPIO_BT_RESET);
+	}
+#endif
+#endif
+	return 0;
+}
+
+/* Customer function to control hw specific wlan gpios */
+void rtw_wifi_gpio_wlan_ctrl(int onoff)
+{
+	switch (onoff) {
+	case WLAN_PWDN_OFF:
+		RTW_INFO("%s: call customer specific GPIO(%d) to set wifi power down pin to 0\n",
+			 __FUNCTION__, GPIO_WIFI_RESET);
+
+#ifndef CONFIG_DONT_BUS_SCAN
+		if (GPIO_WIFI_RESET > 0)
+			gpio_direction_output(GPIO_WIFI_RESET , 0);
+#endif
+		break;
+
+	case WLAN_PWDN_ON:
+		RTW_INFO("%s: callc customer specific GPIO(%d) to set wifi power down pin to 1\n",
+			 __FUNCTION__, GPIO_WIFI_RESET);
+
+		if (GPIO_WIFI_RESET > 0)
+			gpio_direction_output(GPIO_WIFI_RESET , 1);
+		break;
+
+	case WLAN_POWER_OFF:
+		break;
+
+	case WLAN_POWER_ON:
+		break;
+#ifdef CONFIG_SDIO_HCI
+#if (defined(CONFIG_RTL8723B)) && (MP_DRIVER == 1)
+	case WLAN_BT_PWDN_OFF:
+		if (rtw_mp_mode == 1) {
+			RTW_INFO("%s: call customer specific GPIO to set wifi power down pin to 0\n",
+				 __FUNCTION__);
+			if (GPIO_BT_RESET > 0)
+				gpio_direction_output(GPIO_BT_RESET , 0);
+		}
+		break;
+
+	case WLAN_BT_PWDN_ON:
+		if (rtw_mp_mode == 1) {
+			RTW_INFO("%s: callc customer specific GPIO to set wifi power down pin to 1 %x\n",
+				 __FUNCTION__, GPIO_BT_RESET);
+
+			if (GPIO_BT_RESET > 0)
+				gpio_direction_output(GPIO_BT_RESET , 1);
+		}
+		break;
+#endif
+#endif
+	}
+}
+
+#else /* ANDROID_2X */
+
+#include <mach/ldo.h>
+
+#ifdef CONFIG_RTL8188E
+extern int sprd_3rdparty_gpio_wifi_power;
+#endif
+extern int sprd_3rdparty_gpio_wifi_pwd;
+#if  defined(CONFIG_RTL8723B)
+extern int sprd_3rdparty_gpio_bt_reset;
+#endif
+
+int rtw_wifi_gpio_init(void)
+{
+#if defined(CONFIG_RTL8723B)
+	if (sprd_3rdparty_gpio_bt_reset > 0)
+		gpio_direction_output(sprd_3rdparty_gpio_bt_reset, 1);
+#endif
+
+	return 0;
+}
+
+int rtw_wifi_gpio_deinit(void)
+{
+	return 0;
+}
+
+/* Customer function to control hw specific wlan gpios */
+void rtw_wifi_gpio_wlan_ctrl(int onoff)
+{
+	switch (onoff) {
+	case WLAN_PWDN_OFF:
+		RTW_INFO("%s: call customer specific GPIO to set wifi power down pin to 0\n",
+			 __FUNCTION__);
+		if (sprd_3rdparty_gpio_wifi_pwd > 0)
+			gpio_set_value(sprd_3rdparty_gpio_wifi_pwd, 0);
+
+		if (sprd_3rdparty_gpio_wifi_pwd == 60) {
+			RTW_INFO("%s: turn off VSIM2 2.8V\n", __func__);
+			LDO_TurnOffLDO(LDO_LDO_SIM2);
+		}
+		break;
+
+	case WLAN_PWDN_ON:
+		RTW_INFO("%s: callc customer specific GPIO to set wifi power down pin to 1\n",
+			 __FUNCTION__);
+		if (sprd_3rdparty_gpio_wifi_pwd == 60) {
+			RTW_INFO("%s: turn on VSIM2 2.8V\n", __func__);
+			LDO_SetVoltLevel(LDO_LDO_SIM2, LDO_VOLT_LEVEL0);
+			LDO_TurnOnLDO(LDO_LDO_SIM2);
+		}
+		if (sprd_3rdparty_gpio_wifi_pwd > 0)
+			gpio_set_value(sprd_3rdparty_gpio_wifi_pwd, 1);
+		break;
+
+	case WLAN_POWER_OFF:
+#ifdef CONFIG_RTL8188E
+#ifdef CONFIG_WIF1_LDO
+		RTW_INFO("%s: turn off VDD-WIFI0 1.2V\n", __FUNCTION__);
+		LDO_TurnOffLDO(LDO_LDO_WIF1);
+#endif /* CONFIG_WIF1_LDO */
+
+		RTW_INFO("%s: turn off VDD-WIFI0 3.3V\n", __FUNCTION__);
+		LDO_TurnOffLDO(LDO_LDO_WIF0);
+
+		RTW_INFO("%s: call customer specific GPIO(%d) to turn off wifi power\n",
+			 __FUNCTION__, sprd_3rdparty_gpio_wifi_power);
+		if (sprd_3rdparty_gpio_wifi_power != 65535)
+			gpio_set_value(sprd_3rdparty_gpio_wifi_power, 0);
+#endif
+		break;
+
+	case WLAN_POWER_ON:
+#ifdef CONFIG_RTL8188E
+		RTW_INFO("%s: call customer specific GPIO(%d) to turn on wifi power\n",
+			 __FUNCTION__, sprd_3rdparty_gpio_wifi_power);
+		if (sprd_3rdparty_gpio_wifi_power != 65535)
+			gpio_set_value(sprd_3rdparty_gpio_wifi_power, 1);
+
+		RTW_INFO("%s: turn on VDD-WIFI0 3.3V\n", __FUNCTION__);
+		LDO_TurnOnLDO(LDO_LDO_WIF0);
+		LDO_SetVoltLevel(LDO_LDO_WIF0, LDO_VOLT_LEVEL1);
+
+#ifdef CONFIG_WIF1_LDO
+		RTW_INFO("%s: turn on VDD-WIFI1 1.2V\n", __func__);
+		LDO_TurnOnLDO(LDO_LDO_WIF1);
+		LDO_SetVoltLevel(LDO_LDO_WIF1, LDO_VOLT_LEVEL3);
+#endif /* CONFIG_WIF1_LDO */
+#endif
+		break;
+
+	case WLAN_BT_PWDN_OFF:
+		RTW_INFO("%s: call customer specific GPIO to set bt power down pin to 0\n",
+			 __FUNCTION__);
+#if defined(CONFIG_RTL8723B)
+		if (sprd_3rdparty_gpio_bt_reset > 0)
+			gpio_set_value(sprd_3rdparty_gpio_bt_reset, 0);
+#endif
+		break;
+
+	case WLAN_BT_PWDN_ON:
+		RTW_INFO("%s: callc customer specific GPIO to set bt power down pin to 1\n",
+			 __FUNCTION__);
+#if defined(CONFIG_RTL8723B)
+		if (sprd_3rdparty_gpio_bt_reset > 0)
+			gpio_set_value(sprd_3rdparty_gpio_bt_reset, 1);
+#endif
+		break;
+	}
+}
+#endif /* ANDROID_2X */
+
+#elif defined(CONFIG_PLATFORM_ARM_RK3066)
+#include <mach/iomux.h>
+
+#define GPIO_WIFI_IRQ		RK30_PIN2_PC2
+extern unsigned int oob_irq;
+int rtw_wifi_gpio_init(void)
+{
+#ifdef CONFIG_GSPI_HCI
+	if (GPIO_WIFI_IRQ > 0) {
+		rk30_mux_api_set(GPIO2C2_LCDC1DATA18_SMCBLSN1_HSADCDATA5_NAME, GPIO2C_GPIO2C2);/* jacky_test */
+		gpio_request(GPIO_WIFI_IRQ, "oob_irq");
+		gpio_direction_input(GPIO_WIFI_IRQ);
+
+		oob_irq = gpio_to_irq(GPIO_WIFI_IRQ);
+
+		RTW_INFO("%s oob_irq:%d\n", __func__, oob_irq);
+	}
+#endif
+	return 0;
+}
+
+
+int rtw_wifi_gpio_deinit(void)
+{
+#ifdef CONFIG_GSPI_HCI
+	if (GPIO_WIFI_IRQ > 0)
+		gpio_free(GPIO_WIFI_IRQ);
+#endif
+	return 0;
+}
+
+void rtw_wifi_gpio_wlan_ctrl(int onoff)
+{
+}
+
+#ifdef CONFIG_GPIO_API
+/* this is a demo for extending GPIO pin[7] as interrupt mode */
+struct net_device *rtl_net;
+extern int rtw_register_gpio_interrupt(struct net_device *netdev, int gpio_num, void(*callback)(u8 level));
+extern int rtw_disable_gpio_interrupt(struct net_device *netdev, int gpio_num);
+void gpio_int(u8 is_high)
+{
+	RTW_INFO("%s level=%d\n", __func__, is_high);
+}
+int register_net_gpio_init(void)
+{
+	rtl_net = dev_get_by_name(&init_net, "wlan0");
+	if (!rtl_net) {
+		RTW_PRINT("rtl_net init fail!\n");
+		return -1;
+	}
+	return rtw_register_gpio_interrupt(rtl_net, 7, gpio_int);
+}
+int unregister_net_gpio_init(void)
+{
+	rtl_net = dev_get_by_name(&init_net, "wlan0");
+	if (!rtl_net) {
+		RTW_PRINT("rtl_net init fail!\n");
+		return -1;
+	}
+	return rtw_disable_gpio_interrupt(rtl_net, 7);
+}
+#endif
+
+#else
+
+int rtw_wifi_gpio_init(void)
+{
+	return 0;
+}
+
+void rtw_wifi_gpio_wlan_ctrl(int onoff)
+{
+}
+#endif /* CONFIG_PLATFORM_SPRD */

os_dep/linux/ioctl_cfg80211.h

@@ -0,0 +1,398 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 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.
+ *
+ *****************************************************************************/
+#ifndef __IOCTL_CFG80211_H__
+#define __IOCTL_CFG80211_H__
+
+#define RTW_CFG80211_BLOCK_DISCON_WHEN_CONNECT		BIT0
+#define RTW_CFG80211_BLOCK_DISCON_WHEN_DISCONNECT	BIT1
+
+#ifndef RTW_CFG80211_BLOCK_STA_DISCON_EVENT
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0))
+#define RTW_CFG80211_BLOCK_STA_DISCON_EVENT (RTW_CFG80211_BLOCK_DISCON_WHEN_CONNECT)
+#else
+#define RTW_CFG80211_BLOCK_STA_DISCON_EVENT (RTW_CFG80211_BLOCK_DISCON_WHEN_CONNECT | RTW_CFG80211_BLOCK_DISCON_WHEN_DISCONNECT)
+#endif
+#endif
+
+#if defined(RTW_USE_CFG80211_STA_EVENT)
+	#undef CONFIG_CFG80211_FORCE_COMPATIBLE_2_6_37_UNDER
+#endif
+
+#ifndef RTW_P2P_GROUP_INTERFACE
+	#define RTW_P2P_GROUP_INTERFACE 0
+#endif
+
+/*
+* (RTW_P2P_GROUP_INTERFACE, RTW_DEDICATED_P2P_DEVICE)
+* (0, 0): wlan0 + p2p0(PD+PG)
+* (1, 0): wlan0(with PD) + dynamic PGs
+* (1, 1): wlan0 (with dynamic PD wdev) + dynamic PGs
+*/
+
+#if RTW_P2P_GROUP_INTERFACE
+	#ifndef CONFIG_RTW_DYNAMIC_NDEV
+		#define CONFIG_RTW_DYNAMIC_NDEV
+	#endif
+	#ifndef RTW_SINGLE_WIPHY
+		#define RTW_SINGLE_WIPHY
+	#endif
+	#ifndef CONFIG_RADIO_WORK
+		#define CONFIG_RADIO_WORK
+	#endif
+	#ifndef RTW_DEDICATED_P2P_DEVICE
+		#define RTW_DEDICATED_P2P_DEVICE
+	#endif
+#endif
+
+#ifndef CONFIG_RADIO_WORK
+#define RTW_ROCH_DURATION_ENLARGE
+#define RTW_ROCH_BACK_OP
+#endif
+
+#if !defined(CONFIG_P2P) && RTW_P2P_GROUP_INTERFACE
+	#error "RTW_P2P_GROUP_INTERFACE can't be enabled when CONFIG_P2P is disabled\n"
+#endif
+
+#if !RTW_P2P_GROUP_INTERFACE && defined(RTW_DEDICATED_P2P_DEVICE)
+	#error "RTW_DEDICATED_P2P_DEVICE can't be enabled when RTW_P2P_GROUP_INTERFACE is disabled\n"
+#endif
+
+#if defined(RTW_DEDICATED_P2P_DEVICE) && (LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0))
+	#error "RTW_DEDICATED_P2P_DEVICE can't be enabled when kernel < 3.7.0\n"
+#endif
+
+#ifdef CONFIG_RTW_MESH
+	#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0))
+		#error "CONFIG_RTW_MESH can't be enabled when kernel < 3.10.0\n"
+	#endif
+#endif
+
+struct rtw_wdev_invit_info {
+	u8 state; /* 0: req, 1:rep */
+	u8 peer_mac[ETH_ALEN];
+	u8 group_bssid[ETH_ALEN];
+	u8 active;
+	u8 token;
+	u8 flags;
+	u8 status;
+	u8 req_op_ch;
+	u8 rsp_op_ch;
+};
+
+#define rtw_wdev_invit_info_init(invit_info) \
+	do { \
+		(invit_info)->state = 0xff; \
+		_rtw_memset((invit_info)->peer_mac, 0, ETH_ALEN); \
+		_rtw_memset((invit_info)->group_bssid, 0, ETH_ALEN); \
+		(invit_info)->active = 0xff; \
+		(invit_info)->token = 0; \
+		(invit_info)->flags = 0x00; \
+		(invit_info)->status = 0xff; \
+		(invit_info)->req_op_ch = 0; \
+		(invit_info)->rsp_op_ch = 0; \
+	} while (0)
+
+struct rtw_wdev_nego_info {
+	u8 state; /* 0: req, 1:rep, 2:conf */
+	u8 iface_addr[ETH_ALEN];
+	u8 peer_mac[ETH_ALEN];
+	u8 peer_iface_addr[ETH_ALEN];
+	u8 active;
+	u8 token;
+	u8 status;
+	u8 req_intent;
+	u8 req_op_ch;
+	u8 req_listen_ch;
+	u8 rsp_intent;
+	u8 rsp_op_ch;
+	u8 conf_op_ch;
+};
+
+#define rtw_wdev_nego_info_init(nego_info) \
+	do { \
+		(nego_info)->state = 0xff; \
+		_rtw_memset((nego_info)->iface_addr, 0, ETH_ALEN); \
+		_rtw_memset((nego_info)->peer_mac, 0, ETH_ALEN); \
+		_rtw_memset((nego_info)->peer_iface_addr, 0, ETH_ALEN); \
+		(nego_info)->active = 0xff; \
+		(nego_info)->token = 0; \
+		(nego_info)->status = 0xff; \
+		(nego_info)->req_intent = 0xff; \
+		(nego_info)->req_op_ch = 0; \
+		(nego_info)->req_listen_ch = 0; \
+		(nego_info)->rsp_intent = 0xff; \
+		(nego_info)->rsp_op_ch = 0; \
+		(nego_info)->conf_op_ch = 0; \
+	} while (0)
+
+struct rtw_wdev_priv {
+	struct wireless_dev *rtw_wdev;
+
+	_adapter *padapter;
+
+	#if RTW_CFG80211_BLOCK_STA_DISCON_EVENT
+	u8 not_indic_disco;
+	#endif
+
+	struct cfg80211_scan_request *scan_request;
+	_lock scan_req_lock;
+
+	struct cfg80211_connect_params *connect_req;
+	_lock connect_req_lock;
+
+	struct net_device *pmon_ndev;/* for monitor interface */
+	char ifname_mon[IFNAMSIZ + 1]; /* interface name for monitor interface */
+
+	u8 p2p_enabled;
+	systime probe_resp_ie_update_time;
+
+	u8 provdisc_req_issued;
+
+	struct rtw_wdev_invit_info invit_info;
+	struct rtw_wdev_nego_info nego_info;
+
+	u8 bandroid_scan;
+	bool block;
+	bool block_scan;
+	bool power_mgmt;
+
+	/* report mgmt_frame registered */
+	u16 report_mgmt;
+
+	u8 is_mgmt_tx;
+	u16 mgmt_tx_cookie;
+
+	_mutex roch_mutex;
+
+#ifdef CONFIG_CONCURRENT_MODE
+	ATOMIC_T switch_ch_to;
+#endif
+
+};
+
+bool rtw_cfg80211_is_connect_requested(_adapter *adapter);
+
+#if RTW_CFG80211_BLOCK_STA_DISCON_EVENT
+#define rtw_wdev_not_indic_disco(rtw_wdev_data) ((rtw_wdev_data)->not_indic_disco)
+#define rtw_wdev_set_not_indic_disco(rtw_wdev_data, val) do { (rtw_wdev_data)->not_indic_disco = (val); } while (0)
+#else
+#define rtw_wdev_not_indic_disco(rtw_wdev_data) 0
+#define rtw_wdev_set_not_indic_disco(rtw_wdev_data, val) do {} while (0)
+#endif
+
+#define rtw_wdev_free_connect_req(rtw_wdev_data) \
+	do { \
+		if ((rtw_wdev_data)->connect_req) { \
+			rtw_mfree((u8 *)(rtw_wdev_data)->connect_req, sizeof(*(rtw_wdev_data)->connect_req)); \
+			(rtw_wdev_data)->connect_req = NULL; \
+		} \
+	} while (0)
+
+#define wdev_to_ndev(w) ((w)->netdev)
+#define wdev_to_wiphy(w) ((w)->wiphy)
+#define ndev_to_wdev(n) ((n)->ieee80211_ptr)
+
+struct rtw_wiphy_data {
+	struct dvobj_priv *dvobj;
+
+#ifndef RTW_SINGLE_WIPHY
+	_adapter *adapter;
+#endif
+
+#if defined(RTW_DEDICATED_P2P_DEVICE)
+	struct wireless_dev *pd_wdev; /* P2P device wdev */
+#endif
+};
+
+#define rtw_wiphy_priv(wiphy) ((struct rtw_wiphy_data *)wiphy_priv(wiphy))
+#define wiphy_to_dvobj(wiphy) (((struct rtw_wiphy_data *)wiphy_priv(wiphy))->dvobj)
+#ifdef RTW_SINGLE_WIPHY
+#define wiphy_to_adapter(wiphy) (dvobj_get_primary_adapter(wiphy_to_dvobj(wiphy)))
+#else
+#define wiphy_to_adapter(wiphy) (((struct rtw_wiphy_data *)wiphy_priv(wiphy))->adapter)
+#endif
+
+#if defined(RTW_DEDICATED_P2P_DEVICE)
+#define wiphy_to_pd_wdev(wiphy) (rtw_wiphy_priv(wiphy)->pd_wdev)
+#else
+#define wiphy_to_pd_wdev(wiphy) NULL
+#endif
+
+#define WIPHY_FMT "%s"
+#define WIPHY_ARG(wiphy) wiphy_name(wiphy)
+#define FUNC_WIPHY_FMT "%s("WIPHY_FMT")"
+#define FUNC_WIPHY_ARG(wiphy) __func__, WIPHY_ARG(wiphy)
+
+#define SET_CFG80211_REPORT_MGMT(w, t, v) (w->report_mgmt |= (v ? BIT(t >> 4) : 0))
+#define GET_CFG80211_REPORT_MGMT(w, t) ((w->report_mgmt & BIT(t >> 4)) > 0)
+
+struct wiphy *rtw_wiphy_alloc(_adapter *padapter, struct device *dev);
+void rtw_wiphy_free(struct wiphy *wiphy);
+int rtw_wiphy_register(struct wiphy *wiphy);
+void rtw_wiphy_unregister(struct wiphy *wiphy);
+
+int rtw_wdev_alloc(_adapter *padapter, struct wiphy *wiphy);
+void rtw_wdev_free(struct wireless_dev *wdev);
+void rtw_wdev_unregister(struct wireless_dev *wdev);
+
+int rtw_cfg80211_ndev_res_alloc(_adapter *adapter);
+void rtw_cfg80211_ndev_res_free(_adapter *adapter);
+int rtw_cfg80211_ndev_res_register(_adapter *adapter);
+void rtw_cfg80211_ndev_res_unregister(_adapter *adapter);
+
+int rtw_cfg80211_dev_res_alloc(struct dvobj_priv *dvobj);
+void rtw_cfg80211_dev_res_free(struct dvobj_priv *dvobj);
+int rtw_cfg80211_dev_res_register(struct dvobj_priv *dvobj);
+void rtw_cfg80211_dev_res_unregister(struct dvobj_priv *dvobj);
+
+void rtw_cfg80211_init_wdev_data(_adapter *padapter);
+void rtw_cfg80211_init_wiphy(_adapter *padapter);
+
+void rtw_cfg80211_unlink_bss(_adapter *padapter, struct wlan_network *pnetwork);
+void rtw_cfg80211_surveydone_event_callback(_adapter *padapter);
+struct cfg80211_bss *rtw_cfg80211_inform_bss(_adapter *padapter, struct wlan_network *pnetwork);
+int rtw_cfg80211_check_bss(_adapter *padapter);
+void rtw_cfg80211_ibss_indicate_connect(_adapter *padapter);
+void rtw_cfg80211_indicate_connect(_adapter *padapter);
+void rtw_cfg80211_indicate_disconnect(_adapter *padapter, u16 reason, u8 locally_generated);
+void rtw_cfg80211_indicate_scan_done(_adapter *adapter, bool aborted);
+u32 rtw_cfg80211_wait_scan_req_empty(_adapter *adapter, u32 timeout_ms);
+
+#ifdef CONFIG_CONCURRENT_MODE
+u8 rtw_cfg80211_scan_via_buddy(_adapter *padapter, struct cfg80211_scan_request *request);
+void rtw_cfg80211_indicate_scan_done_for_buddy(_adapter *padapter, bool bscan_aborted);
+#endif
+
+#ifdef CONFIG_AP_MODE
+void rtw_cfg80211_indicate_sta_assoc(_adapter *padapter, u8 *pmgmt_frame, uint frame_len);
+void rtw_cfg80211_indicate_sta_disassoc(_adapter *padapter, const u8 *da, unsigned short reason);
+#endif /* CONFIG_AP_MODE */
+
+#ifdef CONFIG_P2P
+void rtw_cfg80211_set_is_roch(_adapter *adapter, bool val);
+bool rtw_cfg80211_get_is_roch(_adapter *adapter);
+bool rtw_cfg80211_is_ro_ch_once(_adapter *adapter);
+void rtw_cfg80211_set_last_ro_ch_time(_adapter *adapter);
+s32 rtw_cfg80211_get_last_ro_ch_passing_ms(_adapter *adapter);
+
+int rtw_cfg80211_iface_has_p2p_group_cap(_adapter *adapter);
+int rtw_cfg80211_is_p2p_scan(_adapter *adapter);
+#if defined(RTW_DEDICATED_P2P_DEVICE)
+int rtw_cfg80211_redirect_pd_wdev(struct wiphy *wiphy, u8 *ra, struct wireless_dev **wdev);
+int rtw_cfg80211_is_scan_by_pd_wdev(_adapter *adapter);
+int rtw_pd_iface_alloc(struct wiphy *wiphy, const char *name, struct wireless_dev **pd_wdev);
+void rtw_pd_iface_free(struct wiphy *wiphy);
+#endif
+#endif /* CONFIG_P2P */
+
+void rtw_cfg80211_set_is_mgmt_tx(_adapter *adapter, u8 val);
+u8 rtw_cfg80211_get_is_mgmt_tx(_adapter *adapter);
+u8 rtw_mgnt_tx_handler(_adapter *adapter, u8 *buf);
+
+void rtw_cfg80211_issue_p2p_provision_request(_adapter *padapter, const u8 *buf, size_t len);
+
+void rtw_cfg80211_rx_p2p_action_public(_adapter *padapter, union recv_frame *rframe);
+void rtw_cfg80211_rx_action_p2p(_adapter *padapter, union recv_frame *rframe);
+void rtw_cfg80211_rx_action(_adapter *adapter, union recv_frame *rframe, const char *msg);
+void rtw_cfg80211_rx_mframe(_adapter *adapter, union recv_frame *rframe, const char *msg);
+void rtw_cfg80211_rx_probe_request(_adapter *padapter, union recv_frame *rframe);
+
+int rtw_cfg80211_set_mgnt_wpsp2pie(struct net_device *net, char *buf, int len, int type);
+
+bool rtw_cfg80211_pwr_mgmt(_adapter *adapter);
+#ifdef CONFIG_RTW_80211K
+void rtw_cfg80211_rx_rrm_action(_adapter *adapter, union recv_frame *rframe);
+#endif
+
+#ifdef CONFIG_RFKILL_POLL
+void rtw_cfg80211_init_rfkill(struct wiphy *wiphy);
+void rtw_cfg80211_deinit_rfkill(struct wiphy *wiphy);
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0))  && !defined(COMPAT_KERNEL_RELEASE)
+#define rtw_cfg80211_rx_mgmt(wdev, freq, sig_dbm, buf, len, gfp) cfg80211_rx_mgmt(wdev_to_ndev(wdev), freq, buf, len, gfp)
+#elif (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0))
+#define rtw_cfg80211_rx_mgmt(wdev, freq, sig_dbm, buf, len, gfp) cfg80211_rx_mgmt(wdev_to_ndev(wdev), freq, sig_dbm, buf, len, gfp)
+#elif (LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 0))
+#define rtw_cfg80211_rx_mgmt(wdev, freq, sig_dbm, buf, len, gfp) cfg80211_rx_mgmt(wdev, freq, sig_dbm, buf, len, gfp)
+#elif (LINUX_VERSION_CODE < KERNEL_VERSION(3 , 18 , 0))
+#define rtw_cfg80211_rx_mgmt(wdev , freq , sig_dbm , buf , len , gfp) cfg80211_rx_mgmt(wdev , freq , sig_dbm , buf , len , 0 , gfp)
+#else
+#define rtw_cfg80211_rx_mgmt(wdev , freq , sig_dbm , buf , len , gfp) cfg80211_rx_mgmt(wdev , freq , sig_dbm , buf , len , 0)
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0))  && !defined(COMPAT_KERNEL_RELEASE)
+#define rtw_cfg80211_send_rx_assoc(adapter, bss, buf, len) cfg80211_send_rx_assoc((adapter)->pnetdev, buf, len)
+#else
+#define rtw_cfg80211_send_rx_assoc(adapter, bss, buf, len) cfg80211_send_rx_assoc((adapter)->pnetdev, bss, buf, len)
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0))
+#define rtw_cfg80211_mgmt_tx_status(wdev, cookie, buf, len, ack, gfp) cfg80211_mgmt_tx_status(wdev_to_ndev(wdev), cookie, buf, len, ack, gfp)
+#else
+#define rtw_cfg80211_mgmt_tx_status(wdev, cookie, buf, len, ack, gfp) cfg80211_mgmt_tx_status(wdev, cookie, buf, len, ack, gfp)
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0))
+#define rtw_cfg80211_ready_on_channel(wdev, cookie, chan, channel_type, duration, gfp)  cfg80211_ready_on_channel(wdev_to_ndev(wdev), cookie, chan, channel_type, duration, gfp)
+#define rtw_cfg80211_remain_on_channel_expired(wdev, cookie, chan, chan_type, gfp) cfg80211_remain_on_channel_expired(wdev_to_ndev(wdev), cookie, chan, chan_type, gfp)
+#elif (LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0))
+#define rtw_cfg80211_ready_on_channel(wdev, cookie, chan, channel_type, duration, gfp)  cfg80211_ready_on_channel(wdev, cookie, chan, channel_type, duration, gfp)
+#define rtw_cfg80211_remain_on_channel_expired(wdev, cookie, chan, chan_type, gfp) cfg80211_remain_on_channel_expired(wdev, cookie, chan, chan_type, gfp)
+#else
+#define rtw_cfg80211_ready_on_channel(wdev, cookie, chan, channel_type, duration, gfp)  cfg80211_ready_on_channel(wdev, cookie, chan, duration, gfp)
+#define rtw_cfg80211_remain_on_channel_expired(wdev, cookie, chan, chan_type, gfp) cfg80211_remain_on_channel_expired(wdev, cookie, chan, gfp)
+#endif
+
+#define rtw_cfg80211_connect_result(wdev, bssid, req_ie, req_ie_len, resp_ie, resp_ie_len, status, gfp) cfg80211_connect_result(wdev_to_ndev(wdev), bssid, req_ie, req_ie_len, resp_ie, resp_ie_len, status, gfp)
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 2, 0))
+#define rtw_cfg80211_disconnected(wdev, reason, ie, ie_len, locally_generated, gfp) cfg80211_disconnected(wdev_to_ndev(wdev), reason, ie, ie_len, gfp)
+#else
+#define rtw_cfg80211_disconnected(wdev, reason, ie, ie_len, locally_generated, gfp) cfg80211_disconnected(wdev_to_ndev(wdev), reason, ie, ie_len, locally_generated, gfp)
+#endif
+
+#ifdef CONFIG_RTW_80211R
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
+#define rtw_cfg80211_ft_event(adapter, parm)  cfg80211_ft_event((adapter)->pnetdev, parm)
+#else
+	#error "Cannot support FT for KERNEL_VERSION < 3.10\n"
+#endif
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
+#define rtw_cfg80211_notify_new_peer_candidate(wdev, addr, ie, ie_len, gfp) cfg80211_notify_new_peer_candidate(wdev_to_ndev(wdev), addr, ie, ie_len, gfp)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
+u8 rtw_cfg80211_ch_switch_notify(_adapter *adapter, u8 ch, u8 bw, u8 offset, u8 ht);
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)) && (LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0))
+#define NL80211_BAND_2GHZ IEEE80211_BAND_2GHZ
+#define NL80211_BAND_5GHZ IEEE80211_BAND_5GHZ
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
+#define NL80211_BAND_60GHZ IEEE80211_BAND_60GHZ
+#endif
+#define NUM_NL80211_BANDS IEEE80211_NUM_BANDS
+#endif
+
+#define rtw_band_to_nl80211_band(band) \
+	(band == BAND_ON_2_4G) ? NL80211_BAND_2GHZ : \
+	(band == BAND_ON_5G) ? NL80211_BAND_5GHZ : NUM_NL80211_BANDS
+
+#include "rtw_cfgvendor.h"
+
+#endif /* __IOCTL_CFG80211_H__ */

os_dep/linux/mlme_linux.c

@@ -0,0 +1,430 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 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.
+ *
+ *****************************************************************************/
+
+
+#define _MLME_OSDEP_C_
+
+#include <drv_types.h>
+
+
+#ifdef RTK_DMP_PLATFORM
+void Linkup_workitem_callback(struct work_struct *work)
+{
+	struct mlme_priv *pmlmepriv = container_of(work, struct mlme_priv, Linkup_workitem);
+	_adapter *padapter = container_of(pmlmepriv, _adapter, mlmepriv);
+
+
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 12))
+	kobject_uevent(&padapter->pnetdev->dev.kobj, KOBJ_LINKUP);
+#else
+	kobject_hotplug(&padapter->pnetdev->class_dev.kobj, KOBJ_LINKUP);
+#endif
+
+}
+
+void Linkdown_workitem_callback(struct work_struct *work)
+{
+	struct mlme_priv *pmlmepriv = container_of(work, struct mlme_priv, Linkdown_workitem);
+	_adapter *padapter = container_of(pmlmepriv, _adapter, mlmepriv);
+
+
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 12))
+	kobject_uevent(&padapter->pnetdev->dev.kobj, KOBJ_LINKDOWN);
+#else
+	kobject_hotplug(&padapter->pnetdev->class_dev.kobj, KOBJ_LINKDOWN);
+#endif
+
+}
+#endif
+
+extern void rtw_indicate_wx_assoc_event(_adapter *padapter);
+extern void rtw_indicate_wx_disassoc_event(_adapter *padapter);
+
+void rtw_os_indicate_connect(_adapter *adapter)
+{
+	struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
+
+#ifdef CONFIG_IOCTL_CFG80211
+	if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE) ||
+	    (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE))
+		rtw_cfg80211_ibss_indicate_connect(adapter);
+	else
+		rtw_cfg80211_indicate_connect(adapter);
+#endif /* CONFIG_IOCTL_CFG80211 */
+
+	rtw_indicate_wx_assoc_event(adapter);
+	rtw_netif_carrier_on(adapter->pnetdev);
+
+	if (adapter->pid[2] != 0)
+		rtw_signal_process(adapter->pid[2], SIGALRM);
+
+#ifdef RTK_DMP_PLATFORM
+	_set_workitem(&adapter->mlmepriv.Linkup_workitem);
+#endif
+
+
+}
+
+extern void indicate_wx_scan_complete_event(_adapter *padapter);
+void rtw_os_indicate_scan_done(_adapter *padapter, bool aborted)
+{
+#ifdef CONFIG_IOCTL_CFG80211
+	rtw_cfg80211_indicate_scan_done(padapter, aborted);
+#endif
+	indicate_wx_scan_complete_event(padapter);
+}
+
+static RT_PMKID_LIST   backupPMKIDList[NUM_PMKID_CACHE];
+void rtw_reset_securitypriv(_adapter *adapter)
+{
+	u8	backupPMKIDIndex = 0;
+	u8	backupTKIPCountermeasure = 0x00;
+	u32	backupTKIPcountermeasure_time = 0;
+	/* add for CONFIG_IEEE80211W, none 11w also can use */
+	_irqL irqL;
+	struct mlme_ext_priv	*pmlmeext = &adapter->mlmeextpriv;
+
+	_enter_critical_bh(&adapter->security_key_mutex, &irqL);
+
+	if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { /* 802.1x */
+		/* Added by Albert 2009/02/18 */
+		/* We have to backup the PMK information for WiFi PMK Caching test item. */
+		/*  */
+		/* Backup the btkip_countermeasure information. */
+		/* When the countermeasure is trigger, the driver have to disconnect with AP for 60 seconds. */
+
+		_rtw_memset(&backupPMKIDList[0], 0x00, sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
+
+		_rtw_memcpy(&backupPMKIDList[0], &adapter->securitypriv.PMKIDList[0], sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
+		backupPMKIDIndex = adapter->securitypriv.PMKIDIndex;
+		backupTKIPCountermeasure = adapter->securitypriv.btkip_countermeasure;
+		backupTKIPcountermeasure_time = adapter->securitypriv.btkip_countermeasure_time;
+		_rtw_memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv));
+
+		/* Added by Albert 2009/02/18 */
+		/* Restore the PMK information to securitypriv structure for the following connection. */
+		_rtw_memcpy(&adapter->securitypriv.PMKIDList[0], &backupPMKIDList[0], sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
+		adapter->securitypriv.PMKIDIndex = backupPMKIDIndex;
+		adapter->securitypriv.btkip_countermeasure = backupTKIPCountermeasure;
+		adapter->securitypriv.btkip_countermeasure_time = backupTKIPcountermeasure_time;
+
+		adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
+		adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
+
+	} else { /* reset values in securitypriv */
+		/* if(adapter->mlmepriv.fw_state & WIFI_STATION_STATE) */
+		/* { */
+		struct security_priv *psec_priv = &adapter->securitypriv;
+
+		psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
+		psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
+		psec_priv->dot11PrivacyKeyIndex = 0;
+
+		psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
+		psec_priv->dot118021XGrpKeyid = 1;
+
+		psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
+		psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
+		/* } */
+	}
+	/* add for CONFIG_IEEE80211W, none 11w also can use */
+	_exit_critical_bh(&adapter->security_key_mutex, &irqL);
+
+	RTW_INFO(FUNC_ADPT_FMT" - End to Disconnect\n", FUNC_ADPT_ARG(adapter));
+}
+
+void rtw_os_indicate_disconnect(_adapter *adapter,  u16 reason, u8 locally_generated)
+{
+	/* RT_PMKID_LIST   backupPMKIDList[NUM_PMKID_CACHE]; */
+
+
+	rtw_netif_carrier_off(adapter->pnetdev); /* Do it first for tx broadcast pkt after disconnection issue! */
+
+#ifdef CONFIG_IOCTL_CFG80211
+	rtw_cfg80211_indicate_disconnect(adapter,  reason, locally_generated);
+#endif /* CONFIG_IOCTL_CFG80211 */
+
+	rtw_indicate_wx_disassoc_event(adapter);
+
+#ifdef RTK_DMP_PLATFORM
+	_set_workitem(&adapter->mlmepriv.Linkdown_workitem);
+#endif
+	/* modify for CONFIG_IEEE80211W, none 11w also can use the same command */
+	rtw_reset_securitypriv_cmd(adapter);
+
+
+}
+
+void rtw_report_sec_ie(_adapter *adapter, u8 authmode, u8 *sec_ie)
+{
+	uint	len;
+	u8	*buff, *p, i;
+	union iwreq_data wrqu;
+
+
+
+	buff = NULL;
+	if (authmode == _WPA_IE_ID_) {
+
+		buff = rtw_zmalloc(IW_CUSTOM_MAX);
+		if (NULL == buff) {
+			RTW_INFO(FUNC_ADPT_FMT ": alloc memory FAIL!!\n",
+				 FUNC_ADPT_ARG(adapter));
+			return;
+		}
+		p = buff;
+
+		p += sprintf(p, "ASSOCINFO(ReqIEs=");
+
+		len = sec_ie[1] + 2;
+		len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX;
+
+		for (i = 0; i < len; i++)
+			p += sprintf(p, "%02x", sec_ie[i]);
+
+		p += sprintf(p, ")");
+
+		_rtw_memset(&wrqu, 0, sizeof(wrqu));
+
+		wrqu.data.length = p - buff;
+
+		wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ? wrqu.data.length : IW_CUSTOM_MAX;
+
+#ifndef CONFIG_IOCTL_CFG80211
+		wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff);
+#endif
+
+		rtw_mfree(buff, IW_CUSTOM_MAX);
+	}
+
+
+}
+
+#ifdef CONFIG_AP_MODE
+
+void rtw_indicate_sta_assoc_event(_adapter *padapter, struct sta_info *psta)
+{
+	union iwreq_data wrqu;
+	struct sta_priv *pstapriv = &padapter->stapriv;
+
+	if (psta == NULL)
+		return;
+
+	if (psta->cmn.aid > pstapriv->max_aid)
+		return;
+
+	if (pstapriv->sta_aid[psta->cmn.aid - 1] != psta)
+		return;
+
+
+	wrqu.addr.sa_family = ARPHRD_ETHER;
+
+	_rtw_memcpy(wrqu.addr.sa_data, psta->cmn.mac_addr, ETH_ALEN);
+
+	RTW_INFO("+rtw_indicate_sta_assoc_event\n");
+
+#ifndef CONFIG_IOCTL_CFG80211
+	wireless_send_event(padapter->pnetdev, IWEVREGISTERED, &wrqu, NULL);
+#endif
+
+}
+
+void rtw_indicate_sta_disassoc_event(_adapter *padapter, struct sta_info *psta)
+{
+	union iwreq_data wrqu;
+	struct sta_priv *pstapriv = &padapter->stapriv;
+
+	if (psta == NULL)
+		return;
+
+	if (psta->cmn.aid > pstapriv->max_aid)
+		return;
+
+	if (pstapriv->sta_aid[psta->cmn.aid - 1] != psta)
+		return;
+
+
+	wrqu.addr.sa_family = ARPHRD_ETHER;
+
+	_rtw_memcpy(wrqu.addr.sa_data, psta->cmn.mac_addr, ETH_ALEN);
+
+	RTW_INFO("+rtw_indicate_sta_disassoc_event\n");
+
+#ifndef CONFIG_IOCTL_CFG80211
+	wireless_send_event(padapter->pnetdev, IWEVEXPIRED, &wrqu, NULL);
+#endif
+
+}
+
+
+#ifdef CONFIG_HOSTAPD_MLME
+
+static int mgnt_xmit_entry(struct sk_buff *skb, struct net_device *pnetdev)
+{
+	struct hostapd_priv *phostapdpriv = rtw_netdev_priv(pnetdev);
+	_adapter *padapter = (_adapter *)phostapdpriv->padapter;
+
+	/* RTW_INFO("%s\n", __FUNCTION__); */
+
+	return rtw_hal_hostap_mgnt_xmit_entry(padapter, skb);
+}
+
+static int mgnt_netdev_open(struct net_device *pnetdev)
+{
+	struct hostapd_priv *phostapdpriv = rtw_netdev_priv(pnetdev);
+
+	RTW_INFO("mgnt_netdev_open: MAC Address:" MAC_FMT "\n", MAC_ARG(pnetdev->dev_addr));
+
+
+	init_usb_anchor(&phostapdpriv->anchored);
+
+	rtw_netif_wake_queue(pnetdev);
+
+	rtw_netif_carrier_on(pnetdev);
+
+	/* rtw_write16(phostapdpriv->padapter, 0x0116, 0x0100); */ /* only excluding beacon */
+
+	return 0;
+}
+static int mgnt_netdev_close(struct net_device *pnetdev)
+{
+	struct hostapd_priv *phostapdpriv = rtw_netdev_priv(pnetdev);
+
+	RTW_INFO("%s\n", __FUNCTION__);
+
+	usb_kill_anchored_urbs(&phostapdpriv->anchored);
+
+	rtw_netif_carrier_off(pnetdev);
+
+	rtw_netif_stop_queue(pnetdev);
+
+	/* rtw_write16(phostapdpriv->padapter, 0x0116, 0x3f3f); */
+
+	return 0;
+}
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29))
+static const struct net_device_ops rtl871x_mgnt_netdev_ops = {
+	.ndo_open = mgnt_netdev_open,
+	.ndo_stop = mgnt_netdev_close,
+	.ndo_start_xmit = mgnt_xmit_entry,
+	#if 0
+	.ndo_set_mac_address = r871x_net_set_mac_address,
+	.ndo_get_stats = r871x_net_get_stats,
+	.ndo_do_ioctl = r871x_mp_ioctl,
+	#endif
+};
+#endif
+
+int hostapd_mode_init(_adapter *padapter)
+{
+	unsigned char mac[ETH_ALEN];
+	struct hostapd_priv *phostapdpriv;
+	struct net_device *pnetdev;
+
+	pnetdev = rtw_alloc_etherdev(sizeof(struct hostapd_priv));
+	if (!pnetdev)
+		return -ENOMEM;
+
+	/* SET_MODULE_OWNER(pnetdev); */
+	ether_setup(pnetdev);
+
+	/* pnetdev->type = ARPHRD_IEEE80211; */
+
+	phostapdpriv = rtw_netdev_priv(pnetdev);
+	phostapdpriv->pmgnt_netdev = pnetdev;
+	phostapdpriv->padapter = padapter;
+	padapter->phostapdpriv = phostapdpriv;
+
+	/* pnetdev->init = NULL; */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29))
+
+	RTW_INFO("register rtl871x_mgnt_netdev_ops to netdev_ops\n");
+
+	pnetdev->netdev_ops = &rtl871x_mgnt_netdev_ops;
+
+#else
+
+	pnetdev->open = mgnt_netdev_open;
+
+	pnetdev->stop = mgnt_netdev_close;
+
+	pnetdev->hard_start_xmit = mgnt_xmit_entry;
+
+	/* pnetdev->set_mac_address = r871x_net_set_mac_address; */
+
+	/* pnetdev->get_stats = r871x_net_get_stats; */
+
+	/* pnetdev->do_ioctl = r871x_mp_ioctl; */
+
+#endif
+
+	pnetdev->watchdog_timeo = HZ; /* 1 second timeout */
+
+	/* pnetdev->wireless_handlers = NULL; */
+
+#ifdef CONFIG_TCP_CSUM_OFFLOAD_TX
+	pnetdev->features |= NETIF_F_IP_CSUM;
+#endif
+
+
+
+	if (dev_alloc_name(pnetdev, "mgnt.wlan%d") < 0)
+		RTW_INFO("hostapd_mode_init(): dev_alloc_name, fail!\n");
+
+
+	/* SET_NETDEV_DEV(pnetdev, pintfpriv->udev); */
+
+
+	mac[0] = 0x00;
+	mac[1] = 0xe0;
+	mac[2] = 0x4c;
+	mac[3] = 0x87;
+	mac[4] = 0x11;
+	mac[5] = 0x12;
+
+	_rtw_memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
+
+
+	rtw_netif_carrier_off(pnetdev);
+
+
+	/* Tell the network stack we exist */
+	if (register_netdev(pnetdev) != 0) {
+		RTW_INFO("hostapd_mode_init(): register_netdev fail!\n");
+
+		if (pnetdev)
+			rtw_free_netdev(pnetdev);
+	}
+
+	return 0;
+
+}
+
+void hostapd_mode_unload(_adapter *padapter)
+{
+	struct hostapd_priv *phostapdpriv = padapter->phostapdpriv;
+	struct net_device *pnetdev = phostapdpriv->pmgnt_netdev;
+
+	unregister_netdev(pnetdev);
+	rtw_free_netdev(pnetdev);
+
+}
+
+#endif
+#endif

os_dep/linux/recv_linux.c

@@ -0,0 +1,732 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 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.
+ *
+ *****************************************************************************/
+#define _RECV_OSDEP_C_
+
+#include <drv_types.h>
+
+int rtw_os_recvframe_duplicate_skb(_adapter *padapter, union recv_frame *pcloneframe, _pkt *pskb)
+{
+	int res = _SUCCESS;
+	_pkt	*pkt_copy = NULL;
+	struct rx_pkt_attrib *pattrib = &pcloneframe->u.hdr.attrib;
+
+	if (pskb == NULL) {
+		RTW_INFO("%s [WARN] skb == NULL, drop frag frame\n", __func__);
+		return _FAIL;
+	}
+#if 1
+	pkt_copy = rtw_skb_copy(pskb);
+
+	if (pkt_copy == NULL) {
+		RTW_INFO("%s [WARN] rtw_skb_copy fail , drop frag frame\n", __func__);
+		return _FAIL;
+	}
+#else
+	pkt_copy = rtw_skb_clone(pskb);
+
+	if (pkt_copy == NULL) {
+		RTW_INFO("%s [WARN] rtw_skb_clone fail , drop frag frame\n", __func__);
+		return _FAIL;
+	}
+#endif
+	pkt_copy->dev = padapter->pnetdev;
+
+	pcloneframe->u.hdr.pkt = pkt_copy;
+	pcloneframe->u.hdr.rx_head = pkt_copy->head;
+	pcloneframe->u.hdr.rx_data = pkt_copy->data;
+	pcloneframe->u.hdr.rx_end = skb_end_pointer(pkt_copy);
+	pcloneframe->u.hdr.rx_tail = skb_tail_pointer(pkt_copy);
+	pcloneframe->u.hdr.len = pkt_copy->len;
+
+	return res;
+}
+
+int rtw_os_alloc_recvframe(_adapter *padapter, union recv_frame *precvframe, u8 *pdata, _pkt *pskb)
+{
+	int res = _SUCCESS;
+	u8	shift_sz = 0;
+	u32	skb_len, alloc_sz;
+	_pkt	*pkt_copy = NULL;
+	struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
+
+
+	if (pdata == NULL) {
+		precvframe->u.hdr.pkt = NULL;
+		res = _FAIL;
+		return res;
+	}
+
+
+	/*	Modified by Albert 20101213 */
+	/*	For 8 bytes IP header alignment. */
+	shift_sz = pattrib->qos ? 6 : 0; /*	Qos data, wireless lan header length is 26 */
+
+	skb_len = pattrib->pkt_len;
+
+	/* for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet. */
+	/* modify alloc_sz for recvive crc error packet by thomas 2011-06-02 */
+	if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
+		/* alloc_sz = 1664;	 */ /* 1664 is 128 alignment. */
+		alloc_sz = (skb_len <= 1650) ? 1664 : (skb_len + 14);
+	} else {
+		alloc_sz = skb_len;
+		/*	6 is for IP header 8 bytes alignment in QoS packet case. */
+		/*	8 is for skb->data 4 bytes alignment. */
+		alloc_sz += 14;
+	}
+
+	pkt_copy = rtw_skb_alloc(alloc_sz);
+
+	if (pkt_copy) {
+		pkt_copy->dev = padapter->pnetdev;
+		pkt_copy->len = skb_len;
+		precvframe->u.hdr.pkt = pkt_copy;
+		precvframe->u.hdr.rx_head = pkt_copy->head;
+		precvframe->u.hdr.rx_end = pkt_copy->data + alloc_sz;
+		skb_reserve(pkt_copy, 8 - ((SIZE_PTR)(pkt_copy->data) & 7));  /* force pkt_copy->data at 8-byte alignment address */
+		skb_reserve(pkt_copy, shift_sz);/* force ip_hdr at 8-byte alignment address according to shift_sz. */
+		_rtw_memcpy(pkt_copy->data, pdata, skb_len);
+		precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data;
+	} else {
+#if 0
+		{
+			rtw_free_recvframe(precvframe_if2, &precvpriv->free_recv_queue);
+			rtw_enqueue_recvbuf_to_head(precvbuf, &precvpriv->recv_buf_pending_queue);
+
+			/* The case of can't allocate skb is serious and may never be recovered,
+			 once bDriverStopped is enable, this task should be stopped.*/
+			if (!rtw_is_drv_stopped(secondary_padapter))
+#ifdef PLATFORM_LINUX
+				tasklet_schedule(&precvpriv->recv_tasklet);
+#endif
+			return ret;
+		}
+
+#endif
+
+#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
+		RTW_INFO("%s:can not allocate memory for skb copy\n", __func__);
+
+		precvframe->u.hdr.pkt = NULL;
+
+		/* rtw_free_recvframe(precvframe, pfree_recv_queue); */
+		/*exit_rtw_os_recv_resource_alloc;*/
+
+		res = _FAIL;
+#else
+		if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
+			RTW_INFO("%s: alloc_skb fail , drop frag frame\n", __func__);
+			/* rtw_free_recvframe(precvframe, pfree_recv_queue); */
+			res = _FAIL;
+			goto exit_rtw_os_recv_resource_alloc;
+		}
+
+		if (pskb == NULL) {
+			res = _FAIL;
+			goto exit_rtw_os_recv_resource_alloc;
+		}
+
+		precvframe->u.hdr.pkt = rtw_skb_clone(pskb);
+		if (precvframe->u.hdr.pkt) {
+			precvframe->u.hdr.pkt->dev = padapter->pnetdev;
+			precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pdata;
+			precvframe->u.hdr.rx_end =  pdata + alloc_sz;
+		} else {
+			RTW_INFO("%s: rtw_skb_clone fail\n", __func__);
+			/* rtw_free_recvframe(precvframe, pfree_recv_queue); */
+			/*exit_rtw_os_recv_resource_alloc;*/
+			res = _FAIL;
+		}
+#endif
+	}
+
+exit_rtw_os_recv_resource_alloc:
+
+	return res;
+
+}
+
+void rtw_os_free_recvframe(union recv_frame *precvframe)
+{
+	if (precvframe->u.hdr.pkt) {
+		rtw_os_pkt_free(precvframe->u.hdr.pkt);
+		precvframe->u.hdr.pkt = NULL;
+	}
+}
+
+/* init os related resource in struct recv_priv */
+int rtw_os_recv_resource_init(struct recv_priv *precvpriv, _adapter *padapter)
+{
+	int	res = _SUCCESS;
+
+
+#ifdef CONFIG_RTW_NAPI
+	skb_queue_head_init(&precvpriv->rx_napi_skb_queue);
+#endif /* CONFIG_RTW_NAPI */
+
+	return res;
+}
+
+/* alloc os related resource in union recv_frame */
+int rtw_os_recv_resource_alloc(_adapter *padapter, union recv_frame *precvframe)
+{
+	int	res = _SUCCESS;
+
+	precvframe->u.hdr.pkt = NULL;
+
+	return res;
+}
+
+/* free os related resource in union recv_frame */
+void rtw_os_recv_resource_free(struct recv_priv *precvpriv)
+{
+	sint i;
+	union recv_frame *precvframe;
+	precvframe = (union recv_frame *) precvpriv->precv_frame_buf;
+
+
+#ifdef CONFIG_RTW_NAPI
+	if (skb_queue_len(&precvpriv->rx_napi_skb_queue))
+		RTW_WARN("rx_napi_skb_queue not empty\n");
+	rtw_skb_queue_purge(&precvpriv->rx_napi_skb_queue);
+#endif /* CONFIG_RTW_NAPI */
+
+	for (i = 0; i < NR_RECVFRAME; i++) {
+		rtw_os_free_recvframe(precvframe);
+		precvframe++;
+	}
+}
+
+/* alloc os related resource in struct recv_buf */
+int rtw_os_recvbuf_resource_alloc(_adapter *padapter, struct recv_buf *precvbuf)
+{
+	int res = _SUCCESS;
+
+#ifdef CONFIG_USB_HCI
+	struct dvobj_priv	*pdvobjpriv = adapter_to_dvobj(padapter);
+	struct usb_device	*pusbd = pdvobjpriv->pusbdev;
+
+	precvbuf->irp_pending = _FALSE;
+	precvbuf->purb = usb_alloc_urb(0, GFP_KERNEL);
+	if (precvbuf->purb == NULL)
+		res = _FAIL;
+
+	precvbuf->pskb = NULL;
+
+	precvbuf->pallocated_buf  = precvbuf->pbuf = NULL;
+
+	precvbuf->pdata = precvbuf->phead = precvbuf->ptail = precvbuf->pend = NULL;
+
+	precvbuf->transfer_len = 0;
+
+	precvbuf->len = 0;
+
+#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
+	precvbuf->pallocated_buf = rtw_usb_buffer_alloc(pusbd, (size_t)precvbuf->alloc_sz, &precvbuf->dma_transfer_addr);
+	precvbuf->pbuf = precvbuf->pallocated_buf;
+	if (precvbuf->pallocated_buf == NULL)
+		return _FAIL;
+#endif /* CONFIG_USE_USB_BUFFER_ALLOC_RX */
+
+#endif /* CONFIG_USB_HCI */
+
+	return res;
+}
+
+/* free os related resource in struct recv_buf */
+int rtw_os_recvbuf_resource_free(_adapter *padapter, struct recv_buf *precvbuf)
+{
+	int ret = _SUCCESS;
+
+#ifdef CONFIG_USB_HCI
+
+#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
+
+	struct dvobj_priv	*pdvobjpriv = adapter_to_dvobj(padapter);
+	struct usb_device	*pusbd = pdvobjpriv->pusbdev;
+
+	rtw_usb_buffer_free(pusbd, (size_t)precvbuf->alloc_sz, precvbuf->pallocated_buf, precvbuf->dma_transfer_addr);
+	precvbuf->pallocated_buf =  NULL;
+	precvbuf->dma_transfer_addr = 0;
+
+#endif /* CONFIG_USE_USB_BUFFER_ALLOC_RX */
+
+	if (precvbuf->purb) {
+		/* usb_kill_urb(precvbuf->purb); */
+		usb_free_urb(precvbuf->purb);
+	}
+
+#endif /* CONFIG_USB_HCI */
+
+
+	if (precvbuf->pskb) {
+#ifdef CONFIG_PREALLOC_RX_SKB_BUFFER
+		if (rtw_free_skb_premem(precvbuf->pskb) != 0)
+#endif
+			rtw_skb_free(precvbuf->pskb);
+	}
+	return ret;
+
+}
+
+_pkt *rtw_os_alloc_msdu_pkt(union recv_frame *prframe, const u8 *da, const u8 *sa, u8 *msdu, u16 msdu_len)
+{
+	u16	eth_type;
+	u8	*data_ptr;
+	_pkt *sub_skb;
+	struct rx_pkt_attrib *pattrib;
+
+	pattrib = &prframe->u.hdr.attrib;
+
+#ifdef CONFIG_SKB_COPY
+	sub_skb = rtw_skb_alloc(msdu_len + 14);
+	if (sub_skb) {
+		skb_reserve(sub_skb, 14);
+		data_ptr = (u8 *)skb_put(sub_skb, msdu_len);
+		_rtw_memcpy(data_ptr, msdu, msdu_len);
+	} else
+#endif /* CONFIG_SKB_COPY */
+	{
+		sub_skb = rtw_skb_clone(prframe->u.hdr.pkt);
+		if (sub_skb) {
+			sub_skb->data = msdu;
+			sub_skb->len = msdu_len;
+			skb_set_tail_pointer(sub_skb, msdu_len);
+		} else {
+			RTW_INFO("%s(): rtw_skb_clone() Fail!!!\n", __func__);
+			return NULL;
+		}
+	}
+
+	eth_type = RTW_GET_BE16(&sub_skb->data[6]);
+
+	if (sub_skb->len >= 8
+		&& ((_rtw_memcmp(sub_skb->data, rtw_rfc1042_header, SNAP_SIZE)
+				&& eth_type != ETH_P_AARP && eth_type != ETH_P_IPX)
+			|| _rtw_memcmp(sub_skb->data, rtw_bridge_tunnel_header, SNAP_SIZE))
+	) {
+		/* remove RFC1042 or Bridge-Tunnel encapsulation and replace EtherType */
+		skb_pull(sub_skb, SNAP_SIZE);
+		_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), sa, ETH_ALEN);
+		_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), da, ETH_ALEN);
+	} else {
+		/* Leave Ethernet header part of hdr and full payload */
+		u16 len;
+
+		len = htons(sub_skb->len);
+		_rtw_memcpy(skb_push(sub_skb, 2), &len, 2);
+		_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), sa, ETH_ALEN);
+		_rtw_memcpy(skb_push(sub_skb, ETH_ALEN), da, ETH_ALEN);
+	}
+
+	return sub_skb;
+}
+
+#ifdef CONFIG_RTW_NAPI
+static int napi_recv(_adapter *padapter, int budget)
+{
+	_pkt *pskb;
+	struct recv_priv *precvpriv = &padapter->recvpriv;
+	int work_done = 0;
+	struct registry_priv *pregistrypriv = &padapter->registrypriv;
+	u8 rx_ok;
+
+
+	while ((work_done < budget) &&
+	       (!skb_queue_empty(&precvpriv->rx_napi_skb_queue))) {
+		pskb = skb_dequeue(&precvpriv->rx_napi_skb_queue);
+		if (!pskb)
+			break;
+
+		rx_ok = _FALSE;
+
+#ifdef CONFIG_RTW_GRO
+		if (pregistrypriv->en_gro) {
+			if (rtw_napi_gro_receive(&padapter->napi, pskb) != GRO_DROP)
+				rx_ok = _TRUE;
+			goto next;
+		}
+#endif /* CONFIG_RTW_GRO */
+
+		if (rtw_netif_receive_skb(padapter->pnetdev, pskb) == NET_RX_SUCCESS)
+			rx_ok = _TRUE;
+
+next:
+		if (rx_ok == _TRUE) {
+			work_done++;
+			DBG_COUNTER(padapter->rx_logs.os_netif_ok);
+		} else {
+			DBG_COUNTER(padapter->rx_logs.os_netif_err);
+		}
+	}
+
+	return work_done;
+}
+
+int rtw_recv_napi_poll(struct napi_struct *napi, int budget)
+{
+	_adapter *padapter = container_of(napi, _adapter, napi);
+	int work_done = 0;
+	struct recv_priv *precvpriv = &padapter->recvpriv;
+
+
+	work_done = napi_recv(padapter, budget);
+	if (work_done < budget) {
+		napi_complete(napi);
+		if (!skb_queue_empty(&precvpriv->rx_napi_skb_queue))
+			napi_schedule(napi);
+	}
+
+	return work_done;
+}
+
+#ifdef CONFIG_RTW_NAPI_DYNAMIC
+void dynamic_napi_th_chk (_adapter *adapter)
+{
+
+	if (adapter->registrypriv.en_napi) {
+		struct dvobj_priv *dvobj;
+		struct registry_priv *registry;
+
+		dvobj = adapter_to_dvobj(adapter);
+		registry = &adapter->registrypriv;
+		if (dvobj->traffic_stat.cur_rx_tp > registry->napi_threshold)
+			dvobj->en_napi_dynamic = 1;
+		else
+			dvobj->en_napi_dynamic = 0;
+	}
+
+}
+#endif /* CONFIG_RTW_NAPI_DYNAMIC */
+#endif /* CONFIG_RTW_NAPI */
+
+void rtw_os_recv_indicate_pkt(_adapter *padapter, _pkt *pkt, union recv_frame *rframe)
+{
+	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+	struct recv_priv *precvpriv = &(padapter->recvpriv);
+	struct registry_priv	*pregistrypriv = &padapter->registrypriv;
+#ifdef CONFIG_BR_EXT
+	void *br_port = NULL;
+#endif
+	int ret;
+
+	/* Indicate the packets to upper layer */
+	if (pkt) {
+		struct ethhdr *ehdr = (struct ethhdr *)pkt->data;
+
+		DBG_COUNTER(padapter->rx_logs.os_indicate);
+
+		if (MLME_IS_AP(padapter)) {
+			_pkt *pskb2 = NULL;
+			struct sta_info *psta = NULL;
+			struct sta_priv *pstapriv = &padapter->stapriv;
+			int bmcast = IS_MCAST(ehdr->h_dest);
+
+			/* RTW_INFO("bmcast=%d\n", bmcast); */
+
+			if (_rtw_memcmp(ehdr->h_dest, adapter_mac_addr(padapter), ETH_ALEN) == _FALSE) {
+				/* RTW_INFO("not ap psta=%p, addr=%pM\n", psta, ehdr->h_dest); */
+
+				if (bmcast) {
+					psta = rtw_get_bcmc_stainfo(padapter);
+					pskb2 = rtw_skb_clone(pkt);
+				} else
+					psta = rtw_get_stainfo(pstapriv, ehdr->h_dest);
+
+				if (psta) {
+					struct net_device *pnetdev = (struct net_device *)padapter->pnetdev;
+
+					/* RTW_INFO("directly forwarding to the rtw_xmit_entry\n"); */
+
+					/* skb->ip_summed = CHECKSUM_NONE; */
+					pkt->dev = pnetdev;
+					#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
+					skb_set_queue_mapping(pkt, rtw_recv_select_queue(pkt));
+					#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) */
+
+					_rtw_xmit_entry(pkt, pnetdev);
+
+					if (bmcast && (pskb2 != NULL)) {
+						pkt = pskb2;
+						DBG_COUNTER(padapter->rx_logs.os_indicate_ap_mcast);
+					} else {
+						DBG_COUNTER(padapter->rx_logs.os_indicate_ap_forward);
+						return;
+					}
+				}
+			} else { /* to APself */
+				/* RTW_INFO("to APSelf\n"); */
+				DBG_COUNTER(padapter->rx_logs.os_indicate_ap_self);
+			}
+		}
+
+#ifdef CONFIG_BR_EXT
+		if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_ADHOC_STATE) == _TRUE) {
+			/* Insert NAT2.5 RX here! */
+			#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
+			br_port = padapter->pnetdev->br_port;
+			#else
+			rcu_read_lock();
+			br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
+			rcu_read_unlock();
+			#endif
+
+			if (br_port) {
+				int nat25_handle_frame(_adapter *priv, struct sk_buff *skb);
+
+				if (nat25_handle_frame(padapter, pkt) == -1) {
+					/* priv->ext_stats.rx_data_drops++; */
+					/* DEBUG_ERR("RX DROP: nat25_handle_frame fail!\n"); */
+					/* return FAIL; */
+
+					#if 1
+					/* bypass this frame to upper layer!! */
+					#else
+					rtw_skb_free(sub_skb);
+					continue;
+					#endif
+				}
+			}
+		}
+#endif /* CONFIG_BR_EXT */
+
+		/* After eth_type_trans process , pkt->data pointer will move from ethrnet header to ip header */
+		pkt->protocol = eth_type_trans(pkt, padapter->pnetdev);
+		pkt->dev = padapter->pnetdev;
+		pkt->ip_summed = CHECKSUM_NONE; /* CONFIG_TCP_CSUM_OFFLOAD_RX */
+
+#ifdef CONFIG_RTW_NAPI
+#ifdef CONFIG_RTW_NAPI_DYNAMIC
+		if (!skb_queue_empty(&precvpriv->rx_napi_skb_queue)
+			&& !adapter_to_dvobj(padapter)->en_napi_dynamic
+			)
+			napi_recv(padapter, RTL_NAPI_WEIGHT);
+#endif
+
+		if (pregistrypriv->en_napi
+			#ifdef CONFIG_RTW_NAPI_DYNAMIC
+			&& adapter_to_dvobj(padapter)->en_napi_dynamic
+			#endif
+		) {
+			skb_queue_tail(&precvpriv->rx_napi_skb_queue, pkt);
+			#ifndef CONFIG_RTW_NAPI_V2
+			napi_schedule(&padapter->napi);
+			#endif
+			return;
+		}
+#endif /* CONFIG_RTW_NAPI */
+
+		ret = rtw_netif_rx(padapter->pnetdev, pkt);
+		if (ret == NET_RX_SUCCESS)
+			DBG_COUNTER(padapter->rx_logs.os_netif_ok);
+		else
+			DBG_COUNTER(padapter->rx_logs.os_netif_err);
+	}
+}
+
+void rtw_handle_tkip_mic_err(_adapter *padapter, struct sta_info *sta, u8 bgroup)
+{
+#ifdef CONFIG_IOCTL_CFG80211
+	enum nl80211_key_type key_type = 0;
+#endif
+	union iwreq_data wrqu;
+	struct iw_michaelmicfailure    ev;
+	struct mlme_priv              *pmlmepriv  = &padapter->mlmepriv;
+	struct security_priv	*psecuritypriv = &padapter->securitypriv;
+	systime 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();
+	}
+
+#ifdef CONFIG_IOCTL_CFG80211
+	if (bgroup)
+		key_type |= NL80211_KEYTYPE_GROUP;
+	else
+		key_type |= NL80211_KEYTYPE_PAIRWISE;
+
+	cfg80211_michael_mic_failure(padapter->pnetdev, sta->cmn.mac_addr, key_type, -1, NULL, GFP_ATOMIC);
+#endif
+
+	_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;
+	_rtw_memcpy(ev.src_addr.sa_data, sta->cmn.mac_addr, ETH_ALEN);
+
+	_rtw_memset(&wrqu, 0x00, sizeof(wrqu));
+	wrqu.data.length = sizeof(ev);
+
+#ifndef CONFIG_IOCTL_CFG80211
+	wireless_send_event(padapter->pnetdev, IWEVMICHAELMICFAILURE, &wrqu, (char *) &ev);
+#endif
+}
+
+#ifdef CONFIG_HOSTAPD_MLME
+void rtw_hostapd_mlme_rx(_adapter *padapter, union recv_frame *precv_frame)
+{
+	_pkt *skb;
+	struct hostapd_priv *phostapdpriv  = padapter->phostapdpriv;
+	struct net_device *pmgnt_netdev = phostapdpriv->pmgnt_netdev;
+
+
+	skb = precv_frame->u.hdr.pkt;
+
+	if (skb == NULL)
+		return;
+
+	skb->data = precv_frame->u.hdr.rx_data;
+	skb->tail = precv_frame->u.hdr.rx_tail;
+	skb->len = precv_frame->u.hdr.len;
+
+	/* pskb_copy = rtw_skb_copy(skb);
+		if(skb == NULL) goto _exit; */
+
+	skb->dev = pmgnt_netdev;
+	skb->ip_summed = CHECKSUM_NONE;
+	skb->pkt_type = PACKET_OTHERHOST;
+	/* skb->protocol = __constant_htons(0x0019); ETH_P_80211_RAW */
+	skb->protocol = htons(0x0003); /*ETH_P_80211_RAW*/
+
+	/* RTW_INFO("(1)data=0x%x, head=0x%x, tail=0x%x, mac_header=0x%x, len=%d\n", skb->data, skb->head, skb->tail, skb->mac_header, skb->len); */
+
+	/* skb->mac.raw = skb->data; */
+	skb_reset_mac_header(skb);
+
+	/* skb_pull(skb, 24); */
+	_rtw_memset(skb->cb, 0, sizeof(skb->cb));
+
+	rtw_netif_rx(pmgnt_netdev, skb);
+
+	precv_frame->u.hdr.pkt = NULL; /* set pointer to NULL before rtw_free_recvframe() if call rtw_netif_rx() */
+}
+#endif /* CONFIG_HOSTAPD_MLME */
+
+int rtw_recv_monitor(_adapter *padapter, union recv_frame *precv_frame)
+{
+	int ret = _FAIL;
+	struct recv_priv *precvpriv;
+	_queue	*pfree_recv_queue;
+	_pkt *skb;
+	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+	struct rx_pkt_attrib *pattrib;
+
+	if (NULL == precv_frame)
+		goto _recv_drop;
+
+	pattrib = &precv_frame->u.hdr.attrib;
+	precvpriv = &(padapter->recvpriv);
+	pfree_recv_queue = &(precvpriv->free_recv_queue);
+
+	skb = precv_frame->u.hdr.pkt;
+	if (skb == NULL) {
+		RTW_INFO("%s :skb==NULL something wrong!!!!\n", __func__);
+		goto _recv_drop;
+	}
+
+	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;
+	skb->ip_summed = CHECKSUM_NONE;
+	skb->pkt_type = PACKET_OTHERHOST;
+	skb->protocol = htons(0x0019); /* ETH_P_80211_RAW */
+
+	rtw_netif_rx(padapter->pnetdev, skb);
+
+	/* pointers to NULL before rtw_free_recvframe() */
+	precv_frame->u.hdr.pkt = NULL;
+
+	ret = _SUCCESS;
+
+_recv_drop:
+
+	/* enqueue back to free_recv_queue */
+	if (precv_frame)
+		rtw_free_recvframe(precv_frame, pfree_recv_queue);
+
+	return ret;
+
+}
+
+inline void rtw_rframe_set_os_pkt(union recv_frame *rframe)
+{
+	_pkt *skb = rframe->u.hdr.pkt;
+
+	skb->data = rframe->u.hdr.rx_data;
+	skb_set_tail_pointer(skb, rframe->u.hdr.len);
+	skb->len = rframe->u.hdr.len;
+}
+
+int rtw_recv_indicatepkt(_adapter *padapter, union recv_frame *precv_frame)
+{
+	struct recv_priv *precvpriv;
+	_queue	*pfree_recv_queue;
+	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+
+	precvpriv = &(padapter->recvpriv);
+	pfree_recv_queue = &(precvpriv->free_recv_queue);
+
+	if (precv_frame->u.hdr.pkt == NULL)
+		goto _recv_indicatepkt_drop;
+
+	rtw_os_recv_indicate_pkt(padapter, precv_frame->u.hdr.pkt, precv_frame);
+
+_recv_indicatepkt_end:
+	precv_frame->u.hdr.pkt = NULL;
+	rtw_free_recvframe(precv_frame, pfree_recv_queue);
+	return _SUCCESS;
+
+_recv_indicatepkt_drop:
+	rtw_free_recvframe(precv_frame, pfree_recv_queue);
+	DBG_COUNTER(padapter->rx_logs.os_indicate_err);
+	return _FAIL;
+}
+
+void rtw_os_read_port(_adapter *padapter, struct recv_buf *precvbuf)
+{
+	struct recv_priv *precvpriv = &padapter->recvpriv;
+
+#ifdef CONFIG_USB_HCI
+
+	precvbuf->ref_cnt--;
+
+	/* free skb in recv_buf */
+	rtw_skb_free(precvbuf->pskb);
+
+	precvbuf->pskb = NULL;
+
+	if (precvbuf->irp_pending == _FALSE)
+		rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
+
+
+#endif
+#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
+	precvbuf->pskb = NULL;
+#endif
+
+}
+

os_dep/linux/rhashtable.c

@@ -0,0 +1,844 @@
+/*
+ * Resizable, Scalable, Concurrent Hash Table
+ *
+ * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
+ * Copyright (c) 2014-2015 Thomas Graf <tgraf@suug.ch>
+ * Copyright (c) 2008-2014 Patrick McHardy <kaber@trash.net>
+ *
+ * Code partially derived from nft_hash
+ * Rewritten with rehash code from br_multicast plus single list
+ * pointer as suggested by Josh Triplett
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/atomic.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/log2.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/mm.h>
+#include <linux/jhash.h>
+#include <linux/random.h>
+#include <linux/err.h>
+#include <linux/export.h>
+
+#define HASH_DEFAULT_SIZE	64UL
+#define HASH_MIN_SIZE		4U
+#define BUCKET_LOCKS_PER_CPU   128UL
+
+static u32 head_hashfn(struct rhashtable *ht,
+		       const struct bucket_table *tbl,
+		       const struct rhash_head *he)
+{
+	return rht_head_hashfn(ht, tbl, he, ht->p);
+}
+
+#ifdef CONFIG_PROVE_LOCKING
+#define ASSERT_RHT_MUTEX(HT) BUG_ON(!lockdep_rht_mutex_is_held(HT))
+
+int lockdep_rht_mutex_is_held(struct rhashtable *ht)
+{
+	return (debug_locks) ? lockdep_is_held(&ht->mutex) : 1;
+}
+
+int lockdep_rht_bucket_is_held(const struct bucket_table *tbl, u32 hash)
+{
+	spinlock_t *lock = rht_bucket_lock(tbl, hash);
+
+	return (debug_locks) ? lockdep_is_held(lock) : 1;
+}
+#else
+#define ASSERT_RHT_MUTEX(HT)
+#endif
+
+
+static int alloc_bucket_locks(struct rhashtable *ht, struct bucket_table *tbl,
+			      gfp_t gfp)
+{
+	unsigned int i, size;
+#if defined(CONFIG_PROVE_LOCKING)
+	unsigned int nr_pcpus = 2;
+#else
+	unsigned int nr_pcpus = num_possible_cpus();
+#endif
+
+	nr_pcpus = min_t(unsigned int, nr_pcpus, 32UL);
+	size = roundup_pow_of_two(nr_pcpus * ht->p.locks_mul);
+
+	/* Never allocate more than 0.5 locks per bucket */
+	size = min_t(unsigned int, size, tbl->size >> 1);
+
+	if (sizeof(spinlock_t) != 0) {
+#ifdef CONFIG_NUMA
+		if (size * sizeof(spinlock_t) > PAGE_SIZE &&
+		    gfp == GFP_KERNEL)
+			tbl->locks = vmalloc(size * sizeof(spinlock_t));
+		else
+#endif
+		tbl->locks = kmalloc_array(size, sizeof(spinlock_t),
+					   gfp);
+		if (!tbl->locks)
+			return -ENOMEM;
+		for (i = 0; i < size; i++)
+			spin_lock_init(&tbl->locks[i]);
+	}
+	tbl->locks_mask = size - 1;
+
+	return 0;
+}
+
+static void bucket_table_free(const struct bucket_table *tbl)
+{
+	if (tbl)
+		kvfree(tbl->locks);
+
+	kvfree(tbl);
+}
+
+static void bucket_table_free_rcu(struct rcu_head *head)
+{
+	bucket_table_free(container_of(head, struct bucket_table, rcu));
+}
+
+static struct bucket_table *bucket_table_alloc(struct rhashtable *ht,
+					       size_t nbuckets,
+					       gfp_t gfp)
+{
+	struct bucket_table *tbl = NULL;
+	size_t size;
+	int i;
+
+	size = sizeof(*tbl) + nbuckets * sizeof(tbl->buckets[0]);
+	if (size <= (PAGE_SIZE << PAGE_ALLOC_COSTLY_ORDER) ||
+	    gfp != GFP_KERNEL)
+		tbl = kzalloc(size, gfp | __GFP_NOWARN | __GFP_NORETRY);
+	if (tbl == NULL && gfp == GFP_KERNEL)
+		tbl = vzalloc(size);
+	if (tbl == NULL)
+		return NULL;
+
+	tbl->size = nbuckets;
+
+	if (alloc_bucket_locks(ht, tbl, gfp) < 0) {
+		bucket_table_free(tbl);
+		return NULL;
+	}
+
+	INIT_LIST_HEAD(&tbl->walkers);
+
+	get_random_bytes(&tbl->hash_rnd, sizeof(tbl->hash_rnd));
+
+	for (i = 0; i < nbuckets; i++)
+		INIT_RHT_NULLS_HEAD(tbl->buckets[i], ht, i);
+
+	return tbl;
+}
+
+static struct bucket_table *rhashtable_last_table(struct rhashtable *ht,
+						  struct bucket_table *tbl)
+{
+	struct bucket_table *new_tbl;
+
+	do {
+		new_tbl = tbl;
+		tbl = rht_dereference_rcu(tbl->future_tbl, ht);
+	} while (tbl);
+
+	return new_tbl;
+}
+
+static int rhashtable_rehash_one(struct rhashtable *ht, unsigned int old_hash)
+{
+	struct bucket_table *old_tbl = rht_dereference(ht->tbl, ht);
+	struct bucket_table *new_tbl = rhashtable_last_table(ht,
+		rht_dereference_rcu(old_tbl->future_tbl, ht));
+	struct rhash_head __rcu **pprev = &old_tbl->buckets[old_hash];
+	int err = -ENOENT;
+	struct rhash_head *head, *next, *entry;
+	spinlock_t *new_bucket_lock;
+	unsigned int new_hash;
+
+	rht_for_each(entry, old_tbl, old_hash) {
+		err = 0;
+		next = rht_dereference_bucket(entry->next, old_tbl, old_hash);
+
+		if (rht_is_a_nulls(next))
+			break;
+
+		pprev = &entry->next;
+	}
+
+	if (err)
+		goto out;
+
+	new_hash = head_hashfn(ht, new_tbl, entry);
+
+	new_bucket_lock = rht_bucket_lock(new_tbl, new_hash);
+
+	spin_lock_nested(new_bucket_lock, SINGLE_DEPTH_NESTING);
+	head = rht_dereference_bucket(new_tbl->buckets[new_hash],
+				      new_tbl, new_hash);
+
+	RCU_INIT_POINTER(entry->next, head);
+
+	rcu_assign_pointer(new_tbl->buckets[new_hash], entry);
+	spin_unlock(new_bucket_lock);
+
+	rcu_assign_pointer(*pprev, next);
+
+out:
+	return err;
+}
+
+static void rhashtable_rehash_chain(struct rhashtable *ht,
+				    unsigned int old_hash)
+{
+	struct bucket_table *old_tbl = rht_dereference(ht->tbl, ht);
+	spinlock_t *old_bucket_lock;
+
+	old_bucket_lock = rht_bucket_lock(old_tbl, old_hash);
+
+	spin_lock_bh(old_bucket_lock);
+	while (!rhashtable_rehash_one(ht, old_hash))
+		;
+	old_tbl->rehash++;
+	spin_unlock_bh(old_bucket_lock);
+}
+
+static int rhashtable_rehash_attach(struct rhashtable *ht,
+				    struct bucket_table *old_tbl,
+				    struct bucket_table *new_tbl)
+{
+	/* Protect future_tbl using the first bucket lock. */
+	spin_lock_bh(old_tbl->locks);
+
+	/* Did somebody beat us to it? */
+	if (rcu_access_pointer(old_tbl->future_tbl)) {
+		spin_unlock_bh(old_tbl->locks);
+		return -EEXIST;
+	}
+
+	/* Make insertions go into the new, empty table right away. Deletions
+	 * and lookups will be attempted in both tables until we synchronize.
+	 */
+	rcu_assign_pointer(old_tbl->future_tbl, new_tbl);
+
+	/* Ensure the new table is visible to readers. */
+	smp_wmb();
+
+	spin_unlock_bh(old_tbl->locks);
+
+	return 0;
+}
+
+static int rhashtable_rehash_table(struct rhashtable *ht)
+{
+	struct bucket_table *old_tbl = rht_dereference(ht->tbl, ht);
+	struct bucket_table *new_tbl;
+	struct rhashtable_walker *walker;
+	unsigned int old_hash;
+
+	new_tbl = rht_dereference(old_tbl->future_tbl, ht);
+	if (!new_tbl)
+		return 0;
+
+	for (old_hash = 0; old_hash < old_tbl->size; old_hash++)
+		rhashtable_rehash_chain(ht, old_hash);
+
+	/* Publish the new table pointer. */
+	rcu_assign_pointer(ht->tbl, new_tbl);
+
+	spin_lock(&ht->lock);
+	list_for_each_entry(walker, &old_tbl->walkers, list)
+		walker->tbl = NULL;
+	spin_unlock(&ht->lock);
+
+	/* Wait for readers. All new readers will see the new
+	 * table, and thus no references to the old table will
+	 * remain.
+	 */
+	call_rcu(&old_tbl->rcu, bucket_table_free_rcu);
+
+	return rht_dereference(new_tbl->future_tbl, ht) ? -EAGAIN : 0;
+}
+
+/**
+ * rhashtable_expand - Expand hash table while allowing concurrent lookups
+ * @ht:		the hash table to expand
+ *
+ * A secondary bucket array is allocated and the hash entries are migrated.
+ *
+ * This function may only be called in a context where it is safe to call
+ * synchronize_rcu(), e.g. not within a rcu_read_lock() section.
+ *
+ * The caller must ensure that no concurrent resizing occurs by holding
+ * ht->mutex.
+ *
+ * It is valid to have concurrent insertions and deletions protected by per
+ * bucket locks or concurrent RCU protected lookups and traversals.
+ */
+static int rhashtable_expand(struct rhashtable *ht)
+{
+	struct bucket_table *new_tbl, *old_tbl = rht_dereference(ht->tbl, ht);
+	int err;
+
+	ASSERT_RHT_MUTEX(ht);
+
+	old_tbl = rhashtable_last_table(ht, old_tbl);
+
+	new_tbl = bucket_table_alloc(ht, old_tbl->size * 2, GFP_KERNEL);
+	if (new_tbl == NULL)
+		return -ENOMEM;
+
+	err = rhashtable_rehash_attach(ht, old_tbl, new_tbl);
+	if (err)
+		bucket_table_free(new_tbl);
+
+	return err;
+}
+
+/**
+ * rhashtable_shrink - Shrink hash table while allowing concurrent lookups
+ * @ht:		the hash table to shrink
+ *
+ * This function shrinks the hash table to fit, i.e., the smallest
+ * size would not cause it to expand right away automatically.
+ *
+ * The caller must ensure that no concurrent resizing occurs by holding
+ * ht->mutex.
+ *
+ * The caller must ensure that no concurrent table mutations take place.
+ * It is however valid to have concurrent lookups if they are RCU protected.
+ *
+ * It is valid to have concurrent insertions and deletions protected by per
+ * bucket locks or concurrent RCU protected lookups and traversals.
+ */
+static int rhashtable_shrink(struct rhashtable *ht)
+{
+	struct bucket_table *new_tbl, *old_tbl = rht_dereference(ht->tbl, ht);
+	unsigned int size;
+	int err;
+
+	ASSERT_RHT_MUTEX(ht);
+
+	size = roundup_pow_of_two(atomic_read(&ht->nelems) * 3 / 2);
+	if (size < ht->p.min_size)
+		size = ht->p.min_size;
+
+	if (old_tbl->size <= size)
+		return 0;
+
+	if (rht_dereference(old_tbl->future_tbl, ht))
+		return -EEXIST;
+
+	new_tbl = bucket_table_alloc(ht, size, GFP_KERNEL);
+	if (new_tbl == NULL)
+		return -ENOMEM;
+
+	err = rhashtable_rehash_attach(ht, old_tbl, new_tbl);
+	if (err)
+		bucket_table_free(new_tbl);
+
+	return err;
+}
+
+static void rht_deferred_worker(struct work_struct *work)
+{
+	struct rhashtable *ht;
+	struct bucket_table *tbl;
+	int err = 0;
+
+	ht = container_of(work, struct rhashtable, run_work);
+	mutex_lock(&ht->mutex);
+
+	tbl = rht_dereference(ht->tbl, ht);
+	tbl = rhashtable_last_table(ht, tbl);
+
+	if (rht_grow_above_75(ht, tbl))
+		rhashtable_expand(ht);
+	else if (ht->p.automatic_shrinking && rht_shrink_below_30(ht, tbl))
+		rhashtable_shrink(ht);
+
+	err = rhashtable_rehash_table(ht);
+
+	mutex_unlock(&ht->mutex);
+
+	if (err)
+		schedule_work(&ht->run_work);
+}
+
+static bool rhashtable_check_elasticity(struct rhashtable *ht,
+					struct bucket_table *tbl,
+					unsigned int hash)
+{
+	unsigned int elasticity = ht->elasticity;
+	struct rhash_head *head;
+
+	rht_for_each(head, tbl, hash)
+		if (!--elasticity)
+			return true;
+
+	return false;
+}
+
+int rhashtable_insert_rehash(struct rhashtable *ht,
+			     struct bucket_table *tbl)
+{
+	struct bucket_table *old_tbl;
+	struct bucket_table *new_tbl;
+	unsigned int size;
+	int err;
+
+	old_tbl = rht_dereference_rcu(ht->tbl, ht);
+
+	size = tbl->size;
+
+	err = -EBUSY;
+
+	if (rht_grow_above_75(ht, tbl))
+		size *= 2;
+	/* Do not schedule more than one rehash */
+	else if (old_tbl != tbl)
+		goto fail;
+
+	err = -ENOMEM;
+
+	new_tbl = bucket_table_alloc(ht, size, GFP_ATOMIC);
+	if (new_tbl == NULL)
+		goto fail;
+
+	err = rhashtable_rehash_attach(ht, tbl, new_tbl);
+	if (err) {
+		bucket_table_free(new_tbl);
+		if (err == -EEXIST)
+			err = 0;
+	} else
+		schedule_work(&ht->run_work);
+
+	return err;
+
+fail:
+	/* Do not fail the insert if someone else did a rehash. */
+	if (likely(rcu_dereference_raw(tbl->future_tbl)))
+		return 0;
+
+	/* Schedule async rehash to retry allocation in process context. */
+	if (err == -ENOMEM)
+		schedule_work(&ht->run_work);
+
+	return err;
+}
+
+struct bucket_table *rhashtable_insert_slow(struct rhashtable *ht,
+					    const void *key,
+					    struct rhash_head *obj,
+					    struct bucket_table *tbl)
+{
+	struct rhash_head *head;
+	unsigned int hash;
+	int err;
+
+	tbl = rhashtable_last_table(ht, tbl);
+	hash = head_hashfn(ht, tbl, obj);
+	spin_lock_nested(rht_bucket_lock(tbl, hash), SINGLE_DEPTH_NESTING);
+
+	err = -EEXIST;
+	if (key && rhashtable_lookup_fast(ht, key, ht->p))
+		goto exit;
+
+	err = -E2BIG;
+	if (unlikely(rht_grow_above_max(ht, tbl)))
+		goto exit;
+
+	err = -EAGAIN;
+	if (rhashtable_check_elasticity(ht, tbl, hash) ||
+	    rht_grow_above_100(ht, tbl))
+		goto exit;
+
+	err = 0;
+
+	head = rht_dereference_bucket(tbl->buckets[hash], tbl, hash);
+
+	RCU_INIT_POINTER(obj->next, head);
+
+	rcu_assign_pointer(tbl->buckets[hash], obj);
+
+	atomic_inc(&ht->nelems);
+
+exit:
+	spin_unlock(rht_bucket_lock(tbl, hash));
+
+	if (err == 0)
+		return NULL;
+	else if (err == -EAGAIN)
+		return tbl;
+	else
+		return ERR_PTR(err);
+}
+
+/**
+ * rhashtable_walk_init - Initialise an iterator
+ * @ht:		Table to walk over
+ * @iter:	Hash table Iterator
+ *
+ * This function prepares a hash table walk.
+ *
+ * Note that if you restart a walk after rhashtable_walk_stop you
+ * may see the same object twice.  Also, you may miss objects if
+ * there are removals in between rhashtable_walk_stop and the next
+ * call to rhashtable_walk_start.
+ *
+ * For a completely stable walk you should construct your own data
+ * structure outside the hash table.
+ *
+ * This function may sleep so you must not call it from interrupt
+ * context or with spin locks held.
+ *
+ * You must call rhashtable_walk_exit if this function returns
+ * successfully.
+ */
+int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter)
+{
+	iter->ht = ht;
+	iter->p = NULL;
+	iter->slot = 0;
+	iter->skip = 0;
+
+	iter->walker = kmalloc(sizeof(*iter->walker), GFP_KERNEL);
+	if (!iter->walker)
+		return -ENOMEM;
+
+	spin_lock(&ht->lock);
+	iter->walker->tbl =
+		rcu_dereference_protected(ht->tbl, lockdep_is_held(&ht->lock));
+	list_add(&iter->walker->list, &iter->walker->tbl->walkers);
+	spin_unlock(&ht->lock);
+
+	return 0;
+}
+
+/**
+ * rhashtable_walk_exit - Free an iterator
+ * @iter:	Hash table Iterator
+ *
+ * This function frees resources allocated by rhashtable_walk_init.
+ */
+void rhashtable_walk_exit(struct rhashtable_iter *iter)
+{
+	spin_lock(&iter->ht->lock);
+	if (iter->walker->tbl)
+		list_del(&iter->walker->list);
+	spin_unlock(&iter->ht->lock);
+	kfree(iter->walker);
+}
+
+/**
+ * rhashtable_walk_start - Start a hash table walk
+ * @iter:	Hash table iterator
+ *
+ * Start a hash table walk.  Note that we take the RCU lock in all
+ * cases including when we return an error.  So you must always call
+ * rhashtable_walk_stop to clean up.
+ *
+ * Returns zero if successful.
+ *
+ * Returns -EAGAIN if resize event occured.  Note that the iterator
+ * will rewind back to the beginning and you may use it immediately
+ * by calling rhashtable_walk_next.
+ */
+int rhashtable_walk_start(struct rhashtable_iter *iter)
+	__acquires(RCU)
+{
+	struct rhashtable *ht = iter->ht;
+
+	rcu_read_lock();
+
+	spin_lock(&ht->lock);
+	if (iter->walker->tbl)
+		list_del(&iter->walker->list);
+	spin_unlock(&ht->lock);
+
+	if (!iter->walker->tbl) {
+		iter->walker->tbl = rht_dereference_rcu(ht->tbl, ht);
+		return -EAGAIN;
+	}
+
+	return 0;
+}
+
+/**
+ * rhashtable_walk_next - Return the next object and advance the iterator
+ * @iter:	Hash table iterator
+ *
+ * Note that you must call rhashtable_walk_stop when you are finished
+ * with the walk.
+ *
+ * Returns the next object or NULL when the end of the table is reached.
+ *
+ * Returns -EAGAIN if resize event occured.  Note that the iterator
+ * will rewind back to the beginning and you may continue to use it.
+ */
+void *rhashtable_walk_next(struct rhashtable_iter *iter)
+{
+	struct bucket_table *tbl = iter->walker->tbl;
+	struct rhashtable *ht = iter->ht;
+	struct rhash_head *p = iter->p;
+
+	if (p) {
+		p = rht_dereference_bucket_rcu(p->next, tbl, iter->slot);
+		goto next;
+	}
+
+	for (; iter->slot < tbl->size; iter->slot++) {
+		int skip = iter->skip;
+
+		rht_for_each_rcu(p, tbl, iter->slot) {
+			if (!skip)
+				break;
+			skip--;
+		}
+
+next:
+		if (!rht_is_a_nulls(p)) {
+			iter->skip++;
+			iter->p = p;
+			return rht_obj(ht, p);
+		}
+
+		iter->skip = 0;
+	}
+
+	iter->p = NULL;
+
+	/* Ensure we see any new tables. */
+	smp_rmb();
+
+	iter->walker->tbl = rht_dereference_rcu(tbl->future_tbl, ht);
+	if (iter->walker->tbl) {
+		iter->slot = 0;
+		iter->skip = 0;
+		return ERR_PTR(-EAGAIN);
+	}
+
+	return NULL;
+}
+
+/**
+ * rhashtable_walk_stop - Finish a hash table walk
+ * @iter:	Hash table iterator
+ *
+ * Finish a hash table walk.
+ */
+void rhashtable_walk_stop(struct rhashtable_iter *iter)
+	__releases(RCU)
+{
+	struct rhashtable *ht;
+	struct bucket_table *tbl = iter->walker->tbl;
+
+	if (!tbl)
+		goto out;
+
+	ht = iter->ht;
+
+	spin_lock(&ht->lock);
+	if (tbl->rehash < tbl->size)
+		list_add(&iter->walker->list, &tbl->walkers);
+	else
+		iter->walker->tbl = NULL;
+	spin_unlock(&ht->lock);
+
+	iter->p = NULL;
+
+out:
+	rcu_read_unlock();
+}
+
+static size_t rounded_hashtable_size(const struct rhashtable_params *params)
+{
+	return max(roundup_pow_of_two(params->nelem_hint * 4 / 3),
+		   (unsigned long)params->min_size);
+}
+
+static u32 rhashtable_jhash2(const void *key, u32 length, u32 seed)
+{
+	return jhash2(key, length, seed);
+}
+
+/**
+ * rhashtable_init - initialize a new hash table
+ * @ht:		hash table to be initialized
+ * @params:	configuration parameters
+ *
+ * Initializes a new hash table based on the provided configuration
+ * parameters. A table can be configured either with a variable or
+ * fixed length key:
+ *
+ * Configuration Example 1: Fixed length keys
+ * struct test_obj {
+ *	int			key;
+ *	void *			my_member;
+ *	struct rhash_head	node;
+ * };
+ *
+ * struct rhashtable_params params = {
+ *	.head_offset = offsetof(struct test_obj, node),
+ *	.key_offset = offsetof(struct test_obj, key),
+ *	.key_len = sizeof(int),
+ *	.hashfn = jhash,
+ *	.nulls_base = (1U << RHT_BASE_SHIFT),
+ * };
+ *
+ * Configuration Example 2: Variable length keys
+ * struct test_obj {
+ *	[...]
+ *	struct rhash_head	node;
+ * };
+ *
+ * u32 my_hash_fn(const void *data, u32 len, u32 seed)
+ * {
+ *	struct test_obj *obj = data;
+ *
+ *	return [... hash ...];
+ * }
+ *
+ * struct rhashtable_params params = {
+ *	.head_offset = offsetof(struct test_obj, node),
+ *	.hashfn = jhash,
+ *	.obj_hashfn = my_hash_fn,
+ * };
+ */
+int rhashtable_init(struct rhashtable *ht,
+		    const struct rhashtable_params *params)
+{
+	struct bucket_table *tbl;
+	size_t size;
+
+	size = HASH_DEFAULT_SIZE;
+
+	if ((!params->key_len && !params->obj_hashfn) ||
+	    (params->obj_hashfn && !params->obj_cmpfn))
+		return -EINVAL;
+
+	if (params->nulls_base && params->nulls_base < (1U << RHT_BASE_SHIFT))
+		return -EINVAL;
+
+	memset(ht, 0, sizeof(*ht));
+	mutex_init(&ht->mutex);
+	spin_lock_init(&ht->lock);
+	memcpy(&ht->p, params, sizeof(*params));
+
+	if (params->min_size)
+		ht->p.min_size = roundup_pow_of_two(params->min_size);
+
+	if (params->max_size)
+		ht->p.max_size = rounddown_pow_of_two(params->max_size);
+
+	if (params->insecure_max_entries)
+		ht->p.insecure_max_entries =
+			rounddown_pow_of_two(params->insecure_max_entries);
+	else
+		ht->p.insecure_max_entries = ht->p.max_size * 2;
+
+	ht->p.min_size = max(ht->p.min_size, HASH_MIN_SIZE);
+
+	if (params->nelem_hint)
+		size = rounded_hashtable_size(&ht->p);
+
+	/* The maximum (not average) chain length grows with the
+	 * size of the hash table, at a rate of (log N)/(log log N).
+	 * The value of 16 is selected so that even if the hash
+	 * table grew to 2^32 you would not expect the maximum
+	 * chain length to exceed it unless we are under attack
+	 * (or extremely unlucky).
+	 *
+	 * As this limit is only to detect attacks, we don't need
+	 * to set it to a lower value as you'd need the chain
+	 * length to vastly exceed 16 to have any real effect
+	 * on the system.
+	 */
+	if (!params->insecure_elasticity)
+		ht->elasticity = 16;
+
+	if (params->locks_mul)
+		ht->p.locks_mul = roundup_pow_of_two(params->locks_mul);
+	else
+		ht->p.locks_mul = BUCKET_LOCKS_PER_CPU;
+
+	ht->key_len = ht->p.key_len;
+	if (!params->hashfn) {
+		ht->p.hashfn = jhash;
+
+		if (!(ht->key_len & (sizeof(u32) - 1))) {
+			ht->key_len /= sizeof(u32);
+			ht->p.hashfn = rhashtable_jhash2;
+		}
+	}
+
+	tbl = bucket_table_alloc(ht, size, GFP_KERNEL);
+	if (tbl == NULL)
+		return -ENOMEM;
+
+	atomic_set(&ht->nelems, 0);
+
+	RCU_INIT_POINTER(ht->tbl, tbl);
+
+	INIT_WORK(&ht->run_work, rht_deferred_worker);
+
+	return 0;
+}
+
+/**
+ * rhashtable_free_and_destroy - free elements and destroy hash table
+ * @ht:		the hash table to destroy
+ * @free_fn:	callback to release resources of element
+ * @arg:	pointer passed to free_fn
+ *
+ * Stops an eventual async resize. If defined, invokes free_fn for each
+ * element to releasal resources. Please note that RCU protected
+ * readers may still be accessing the elements. Releasing of resources
+ * must occur in a compatible manner. Then frees the bucket array.
+ *
+ * This function will eventually sleep to wait for an async resize
+ * to complete. The caller is responsible that no further write operations
+ * occurs in parallel.
+ */
+void rhashtable_free_and_destroy(struct rhashtable *ht,
+				 void (*free_fn)(void *ptr, void *arg),
+				 void *arg)
+{
+	const struct bucket_table *tbl;
+	unsigned int i;
+
+	cancel_work_sync(&ht->run_work);
+
+	mutex_lock(&ht->mutex);
+	tbl = rht_dereference(ht->tbl, ht);
+	if (free_fn) {
+		for (i = 0; i < tbl->size; i++) {
+			struct rhash_head *pos, *next;
+
+			for (pos = rht_dereference(tbl->buckets[i], ht),
+			     next = !rht_is_a_nulls(pos) ?
+					rht_dereference(pos->next, ht) : NULL;
+			     !rht_is_a_nulls(pos);
+			     pos = next,
+			     next = !rht_is_a_nulls(pos) ?
+					rht_dereference(pos->next, ht) : NULL)
+				free_fn(rht_obj(ht, pos), arg);
+		}
+	}
+
+	bucket_table_free(tbl);
+	mutex_unlock(&ht->mutex);
+}
+
+void rhashtable_destroy(struct rhashtable *ht)
+{
+	return rhashtable_free_and_destroy(ht, NULL, NULL);
+}
+

os_dep/linux/rhashtable.h

@@ -0,0 +1,827 @@
+/*
+ * Resizable, Scalable, Concurrent Hash Table
+ *
+ * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
+ * Copyright (c) 2014-2015 Thomas Graf <tgraf@suug.ch>
+ * Copyright (c) 2008-2014 Patrick McHardy <kaber@trash.net>
+ *
+ * Code partially derived from nft_hash
+ * Rewritten with rehash code from br_multicast plus single list
+ * pointer as suggested by Josh Triplett
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _LINUX_RHASHTABLE_H
+#define _LINUX_RHASHTABLE_H
+
+#include <linux/atomic.h>
+#include <linux/compiler.h>
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/jhash.h>
+#include <linux/list_nulls.h>
+#include <linux/workqueue.h>
+#include <linux/mutex.h>
+#include <linux/rcupdate.h>
+
+/*
+ * The end of the chain is marked with a special nulls marks which has
+ * the following format:
+ *
+ * +-------+-----------------------------------------------------+-+
+ * | Base  |                      Hash                           |1|
+ * +-------+-----------------------------------------------------+-+
+ *
+ * Base (4 bits) : Reserved to distinguish between multiple tables.
+ *                 Specified via &struct rhashtable_params.nulls_base.
+ * Hash (27 bits): Full hash (unmasked) of first element added to bucket
+ * 1 (1 bit)     : Nulls marker (always set)
+ *
+ * The remaining bits of the next pointer remain unused for now.
+ */
+#define RHT_BASE_BITS		4
+#define RHT_HASH_BITS		27
+#define RHT_BASE_SHIFT		RHT_HASH_BITS
+
+/* Base bits plus 1 bit for nulls marker */
+#define RHT_HASH_RESERVED_SPACE	(RHT_BASE_BITS + 1)
+
+struct rhash_head {
+	struct rhash_head __rcu		*next;
+};
+
+/**
+ * struct bucket_table - Table of hash buckets
+ * @size: Number of hash buckets
+ * @rehash: Current bucket being rehashed
+ * @hash_rnd: Random seed to fold into hash
+ * @locks_mask: Mask to apply before accessing locks[]
+ * @locks: Array of spinlocks protecting individual buckets
+ * @walkers: List of active walkers
+ * @rcu: RCU structure for freeing the table
+ * @future_tbl: Table under construction during rehashing
+ * @buckets: size * hash buckets
+ */
+struct bucket_table {
+	unsigned int		size;
+	unsigned int		rehash;
+	u32			hash_rnd;
+	unsigned int		locks_mask;
+	spinlock_t		*locks;
+	struct list_head	walkers;
+	struct rcu_head		rcu;
+
+	struct bucket_table __rcu *future_tbl;
+
+	struct rhash_head __rcu	*buckets[] ____cacheline_aligned_in_smp;
+};
+
+/**
+ * struct rhashtable_compare_arg - Key for the function rhashtable_compare
+ * @ht: Hash table
+ * @key: Key to compare against
+ */
+struct rhashtable_compare_arg {
+	struct rhashtable *ht;
+	const void *key;
+};
+
+typedef u32 (*rht_hashfn_t)(const void *data, u32 len, u32 seed);
+typedef u32 (*rht_obj_hashfn_t)(const void *data, u32 len, u32 seed);
+typedef int (*rht_obj_cmpfn_t)(struct rhashtable_compare_arg *arg,
+			       const void *obj);
+
+struct rhashtable;
+
+/**
+ * struct rhashtable_params - Hash table construction parameters
+ * @nelem_hint: Hint on number of elements, should be 75% of desired size
+ * @key_len: Length of key
+ * @key_offset: Offset of key in struct to be hashed
+ * @head_offset: Offset of rhash_head in struct to be hashed
+ * @insecure_max_entries: Maximum number of entries (may be exceeded)
+ * @max_size: Maximum size while expanding
+ * @min_size: Minimum size while shrinking
+ * @nulls_base: Base value to generate nulls marker
+ * @insecure_elasticity: Set to true to disable chain length checks
+ * @automatic_shrinking: Enable automatic shrinking of tables
+ * @locks_mul: Number of bucket locks to allocate per cpu (default: 128)
+ * @hashfn: Hash function (default: jhash2 if !(key_len % 4), or jhash)
+ * @obj_hashfn: Function to hash object
+ * @obj_cmpfn: Function to compare key with object
+ */
+struct rhashtable_params {
+	size_t			nelem_hint;
+	size_t			key_len;
+	size_t			key_offset;
+	size_t			head_offset;
+	unsigned int		insecure_max_entries;
+	unsigned int		max_size;
+	unsigned int		min_size;
+	u32			nulls_base;
+	bool			insecure_elasticity;
+	bool			automatic_shrinking;
+	size_t			locks_mul;
+	rht_hashfn_t		hashfn;
+	rht_obj_hashfn_t	obj_hashfn;
+	rht_obj_cmpfn_t		obj_cmpfn;
+};
+
+/**
+ * struct rhashtable - Hash table handle
+ * @tbl: Bucket table
+ * @nelems: Number of elements in table
+ * @key_len: Key length for hashfn
+ * @elasticity: Maximum chain length before rehash
+ * @p: Configuration parameters
+ * @run_work: Deferred worker to expand/shrink asynchronously
+ * @mutex: Mutex to protect current/future table swapping
+ * @lock: Spin lock to protect walker list
+ */
+struct rhashtable {
+	struct bucket_table __rcu	*tbl;
+	atomic_t			nelems;
+	unsigned int			key_len;
+	unsigned int			elasticity;
+	struct rhashtable_params	p;
+	struct work_struct		run_work;
+	struct mutex                    mutex;
+	spinlock_t			lock;
+};
+
+/**
+ * struct rhashtable_walker - Hash table walker
+ * @list: List entry on list of walkers
+ * @tbl: The table that we were walking over
+ */
+struct rhashtable_walker {
+	struct list_head list;
+	struct bucket_table *tbl;
+};
+
+/**
+ * struct rhashtable_iter - Hash table iterator, fits into netlink cb
+ * @ht: Table to iterate through
+ * @p: Current pointer
+ * @walker: Associated rhashtable walker
+ * @slot: Current slot
+ * @skip: Number of entries to skip in slot
+ */
+struct rhashtable_iter {
+	struct rhashtable *ht;
+	struct rhash_head *p;
+	struct rhashtable_walker *walker;
+	unsigned int slot;
+	unsigned int skip;
+};
+
+static inline unsigned long rht_marker(const struct rhashtable *ht, u32 hash)
+{
+	return NULLS_MARKER(ht->p.nulls_base + hash);
+}
+
+#define INIT_RHT_NULLS_HEAD(ptr, ht, hash) \
+	((ptr) = (typeof(ptr)) rht_marker(ht, hash))
+
+static inline bool rht_is_a_nulls(const struct rhash_head *ptr)
+{
+	return ((unsigned long) ptr & 1);
+}
+
+static inline unsigned long rht_get_nulls_value(const struct rhash_head *ptr)
+{
+	return ((unsigned long) ptr) >> 1;
+}
+
+static inline void *rht_obj(const struct rhashtable *ht,
+			    const struct rhash_head *he)
+{
+	return (char *)he - ht->p.head_offset;
+}
+
+static inline unsigned int rht_bucket_index(const struct bucket_table *tbl,
+					    unsigned int hash)
+{
+	return (hash >> RHT_HASH_RESERVED_SPACE) & (tbl->size - 1);
+}
+
+static inline unsigned int rht_key_hashfn(
+	struct rhashtable *ht, const struct bucket_table *tbl,
+	const void *key, const struct rhashtable_params params)
+{
+	unsigned int hash;
+
+	/* params must be equal to ht->p if it isn't constant. */
+	if (!__builtin_constant_p(params.key_len))
+		hash = ht->p.hashfn(key, ht->key_len, tbl->hash_rnd);
+	else if (params.key_len) {
+		unsigned int key_len = params.key_len;
+
+		if (params.hashfn)
+			hash = params.hashfn(key, key_len, tbl->hash_rnd);
+		else if (key_len & (sizeof(u32) - 1))
+			hash = jhash(key, key_len, tbl->hash_rnd);
+		else
+			hash = jhash2(key, key_len / sizeof(u32),
+				      tbl->hash_rnd);
+	} else {
+		unsigned int key_len = ht->p.key_len;
+
+		if (params.hashfn)
+			hash = params.hashfn(key, key_len, tbl->hash_rnd);
+		else
+			hash = jhash(key, key_len, tbl->hash_rnd);
+	}
+
+	return rht_bucket_index(tbl, hash);
+}
+
+static inline unsigned int rht_head_hashfn(
+	struct rhashtable *ht, const struct bucket_table *tbl,
+	const struct rhash_head *he, const struct rhashtable_params params)
+{
+	const char *ptr = rht_obj(ht, he);
+
+	return likely(params.obj_hashfn) ?
+	       rht_bucket_index(tbl, params.obj_hashfn(ptr, params.key_len ?:
+							    ht->p.key_len,
+						       tbl->hash_rnd)) :
+	       rht_key_hashfn(ht, tbl, ptr + params.key_offset, params);
+}
+
+/**
+ * rht_grow_above_75 - returns true if nelems > 0.75 * table-size
+ * @ht:		hash table
+ * @tbl:	current table
+ */
+static inline bool rht_grow_above_75(const struct rhashtable *ht,
+				     const struct bucket_table *tbl)
+{
+	/* Expand table when exceeding 75% load */
+	return atomic_read(&ht->nelems) > (tbl->size / 4 * 3) &&
+	       (!ht->p.max_size || tbl->size < ht->p.max_size);
+}
+
+/**
+ * rht_shrink_below_30 - returns true if nelems < 0.3 * table-size
+ * @ht:		hash table
+ * @tbl:	current table
+ */
+static inline bool rht_shrink_below_30(const struct rhashtable *ht,
+				       const struct bucket_table *tbl)
+{
+	/* Shrink table beneath 30% load */
+	return atomic_read(&ht->nelems) < (tbl->size * 3 / 10) &&
+	       tbl->size > ht->p.min_size;
+}
+
+/**
+ * rht_grow_above_100 - returns true if nelems > table-size
+ * @ht:		hash table
+ * @tbl:	current table
+ */
+static inline bool rht_grow_above_100(const struct rhashtable *ht,
+				      const struct bucket_table *tbl)
+{
+	return atomic_read(&ht->nelems) > tbl->size &&
+		(!ht->p.max_size || tbl->size < ht->p.max_size);
+}
+
+/**
+ * rht_grow_above_max - returns true if table is above maximum
+ * @ht:		hash table
+ * @tbl:	current table
+ */
+static inline bool rht_grow_above_max(const struct rhashtable *ht,
+				      const struct bucket_table *tbl)
+{
+	return ht->p.insecure_max_entries &&
+	       atomic_read(&ht->nelems) >= ht->p.insecure_max_entries;
+}
+
+/* The bucket lock is selected based on the hash and protects mutations
+ * on a group of hash buckets.
+ *
+ * A maximum of tbl->size/2 bucket locks is allocated. This ensures that
+ * a single lock always covers both buckets which may both contains
+ * entries which link to the same bucket of the old table during resizing.
+ * This allows to simplify the locking as locking the bucket in both
+ * tables during resize always guarantee protection.
+ *
+ * IMPORTANT: When holding the bucket lock of both the old and new table
+ * during expansions and shrinking, the old bucket lock must always be
+ * acquired first.
+ */
+static inline spinlock_t *rht_bucket_lock(const struct bucket_table *tbl,
+					  unsigned int hash)
+{
+	return &tbl->locks[hash & tbl->locks_mask];
+}
+
+#ifdef CONFIG_PROVE_LOCKING
+int lockdep_rht_mutex_is_held(struct rhashtable *ht);
+int lockdep_rht_bucket_is_held(const struct bucket_table *tbl, u32 hash);
+#else
+static inline int lockdep_rht_mutex_is_held(struct rhashtable *ht)
+{
+	return 1;
+}
+
+static inline int lockdep_rht_bucket_is_held(const struct bucket_table *tbl,
+					     u32 hash)
+{
+	return 1;
+}
+#endif /* CONFIG_PROVE_LOCKING */
+
+int rhashtable_init(struct rhashtable *ht,
+		    const struct rhashtable_params *params);
+
+struct bucket_table *rhashtable_insert_slow(struct rhashtable *ht,
+					    const void *key,
+					    struct rhash_head *obj,
+					    struct bucket_table *old_tbl);
+int rhashtable_insert_rehash(struct rhashtable *ht, struct bucket_table *tbl);
+
+int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter);
+void rhashtable_walk_exit(struct rhashtable_iter *iter);
+int rhashtable_walk_start(struct rhashtable_iter *iter) __acquires(RCU);
+void *rhashtable_walk_next(struct rhashtable_iter *iter);
+void rhashtable_walk_stop(struct rhashtable_iter *iter) __releases(RCU);
+
+void rhashtable_free_and_destroy(struct rhashtable *ht,
+				 void (*free_fn)(void *ptr, void *arg),
+				 void *arg);
+void rhashtable_destroy(struct rhashtable *ht);
+
+#define rht_dereference(p, ht) \
+	rcu_dereference_protected(p, lockdep_rht_mutex_is_held(ht))
+
+#define rht_dereference_rcu(p, ht) \
+	rcu_dereference_check(p, lockdep_rht_mutex_is_held(ht))
+
+#define rht_dereference_bucket(p, tbl, hash) \
+	rcu_dereference_protected(p, lockdep_rht_bucket_is_held(tbl, hash))
+
+#define rht_dereference_bucket_rcu(p, tbl, hash) \
+	rcu_dereference_check(p, lockdep_rht_bucket_is_held(tbl, hash))
+
+#define rht_entry(tpos, pos, member) \
+	({ tpos = container_of(pos, typeof(*tpos), member); 1; })
+
+/**
+ * rht_for_each_continue - continue iterating over hash chain
+ * @pos:	the &struct rhash_head to use as a loop cursor.
+ * @head:	the previous &struct rhash_head to continue from
+ * @tbl:	the &struct bucket_table
+ * @hash:	the hash value / bucket index
+ */
+#define rht_for_each_continue(pos, head, tbl, hash) \
+	for (pos = rht_dereference_bucket(head, tbl, hash); \
+	     !rht_is_a_nulls(pos); \
+	     pos = rht_dereference_bucket((pos)->next, tbl, hash))
+
+/**
+ * rht_for_each - iterate over hash chain
+ * @pos:	the &struct rhash_head to use as a loop cursor.
+ * @tbl:	the &struct bucket_table
+ * @hash:	the hash value / bucket index
+ */
+#define rht_for_each(pos, tbl, hash) \
+	rht_for_each_continue(pos, (tbl)->buckets[hash], tbl, hash)
+
+/**
+ * rht_for_each_entry_continue - continue iterating over hash chain
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct rhash_head to use as a loop cursor.
+ * @head:	the previous &struct rhash_head to continue from
+ * @tbl:	the &struct bucket_table
+ * @hash:	the hash value / bucket index
+ * @member:	name of the &struct rhash_head within the hashable struct.
+ */
+#define rht_for_each_entry_continue(tpos, pos, head, tbl, hash, member)	\
+	for (pos = rht_dereference_bucket(head, tbl, hash);		\
+	     (!rht_is_a_nulls(pos)) && rht_entry(tpos, pos, member);	\
+	     pos = rht_dereference_bucket((pos)->next, tbl, hash))
+
+/**
+ * rht_for_each_entry - iterate over hash chain of given type
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct rhash_head to use as a loop cursor.
+ * @tbl:	the &struct bucket_table
+ * @hash:	the hash value / bucket index
+ * @member:	name of the &struct rhash_head within the hashable struct.
+ */
+#define rht_for_each_entry(tpos, pos, tbl, hash, member)		\
+	rht_for_each_entry_continue(tpos, pos, (tbl)->buckets[hash],	\
+				    tbl, hash, member)
+
+/**
+ * rht_for_each_entry_safe - safely iterate over hash chain of given type
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct rhash_head to use as a loop cursor.
+ * @next:	the &struct rhash_head to use as next in loop cursor.
+ * @tbl:	the &struct bucket_table
+ * @hash:	the hash value / bucket index
+ * @member:	name of the &struct rhash_head within the hashable struct.
+ *
+ * This hash chain list-traversal primitive allows for the looped code to
+ * remove the loop cursor from the list.
+ */
+#define rht_for_each_entry_safe(tpos, pos, next, tbl, hash, member)	    \
+	for (pos = rht_dereference_bucket((tbl)->buckets[hash], tbl, hash), \
+	     next = !rht_is_a_nulls(pos) ?				    \
+		       rht_dereference_bucket(pos->next, tbl, hash) : NULL; \
+	     (!rht_is_a_nulls(pos)) && rht_entry(tpos, pos, member);	    \
+	     pos = next,						    \
+	     next = !rht_is_a_nulls(pos) ?				    \
+		       rht_dereference_bucket(pos->next, tbl, hash) : NULL)
+
+/**
+ * rht_for_each_rcu_continue - continue iterating over rcu hash chain
+ * @pos:	the &struct rhash_head to use as a loop cursor.
+ * @head:	the previous &struct rhash_head to continue from
+ * @tbl:	the &struct bucket_table
+ * @hash:	the hash value / bucket index
+ *
+ * This hash chain list-traversal primitive may safely run concurrently with
+ * the _rcu mutation primitives such as rhashtable_insert() as long as the
+ * traversal is guarded by rcu_read_lock().
+ */
+#define rht_for_each_rcu_continue(pos, head, tbl, hash)			\
+	for (({barrier(); }),						\
+	     pos = rht_dereference_bucket_rcu(head, tbl, hash);		\
+	     !rht_is_a_nulls(pos);					\
+	     pos = rcu_dereference_raw(pos->next))
+
+/**
+ * rht_for_each_rcu - iterate over rcu hash chain
+ * @pos:	the &struct rhash_head to use as a loop cursor.
+ * @tbl:	the &struct bucket_table
+ * @hash:	the hash value / bucket index
+ *
+ * This hash chain list-traversal primitive may safely run concurrently with
+ * the _rcu mutation primitives such as rhashtable_insert() as long as the
+ * traversal is guarded by rcu_read_lock().
+ */
+#define rht_for_each_rcu(pos, tbl, hash)				\
+	rht_for_each_rcu_continue(pos, (tbl)->buckets[hash], tbl, hash)
+
+/**
+ * rht_for_each_entry_rcu_continue - continue iterating over rcu hash chain
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct rhash_head to use as a loop cursor.
+ * @head:	the previous &struct rhash_head to continue from
+ * @tbl:	the &struct bucket_table
+ * @hash:	the hash value / bucket index
+ * @member:	name of the &struct rhash_head within the hashable struct.
+ *
+ * This hash chain list-traversal primitive may safely run concurrently with
+ * the _rcu mutation primitives such as rhashtable_insert() as long as the
+ * traversal is guarded by rcu_read_lock().
+ */
+#define rht_for_each_entry_rcu_continue(tpos, pos, head, tbl, hash, member) \
+	for (({barrier(); }),						    \
+	     pos = rht_dereference_bucket_rcu(head, tbl, hash);		    \
+	     (!rht_is_a_nulls(pos)) && rht_entry(tpos, pos, member);	    \
+	     pos = rht_dereference_bucket_rcu(pos->next, tbl, hash))
+
+/**
+ * rht_for_each_entry_rcu - iterate over rcu hash chain of given type
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct rhash_head to use as a loop cursor.
+ * @tbl:	the &struct bucket_table
+ * @hash:	the hash value / bucket index
+ * @member:	name of the &struct rhash_head within the hashable struct.
+ *
+ * This hash chain list-traversal primitive may safely run concurrently with
+ * the _rcu mutation primitives such as rhashtable_insert() as long as the
+ * traversal is guarded by rcu_read_lock().
+ */
+#define rht_for_each_entry_rcu(tpos, pos, tbl, hash, member)		\
+	rht_for_each_entry_rcu_continue(tpos, pos, (tbl)->buckets[hash],\
+					tbl, hash, member)
+
+static inline int rhashtable_compare(struct rhashtable_compare_arg *arg,
+				     const void *obj)
+{
+	struct rhashtable *ht = arg->ht;
+	const char *ptr = obj;
+
+	return memcmp(ptr + ht->p.key_offset, arg->key, ht->p.key_len);
+}
+
+/**
+ * rhashtable_lookup_fast - search hash table, inlined version
+ * @ht:		hash table
+ * @key:	the pointer to the key
+ * @params:	hash table parameters
+ *
+ * Computes the hash value for the key and traverses the bucket chain looking
+ * for a entry with an identical key. The first matching entry is returned.
+ *
+ * Returns the first entry on which the compare function returned true.
+ */
+static inline void *rhashtable_lookup_fast(
+	struct rhashtable *ht, const void *key,
+	const struct rhashtable_params params)
+{
+	struct rhashtable_compare_arg arg = {
+		.ht = ht,
+		.key = key,
+	};
+	const struct bucket_table *tbl;
+	struct rhash_head *he;
+	unsigned int hash;
+
+	rcu_read_lock();
+
+	tbl = rht_dereference_rcu(ht->tbl, ht);
+restart:
+	hash = rht_key_hashfn(ht, tbl, key, params);
+	rht_for_each_rcu(he, tbl, hash) {
+		if (params.obj_cmpfn ?
+		    params.obj_cmpfn(&arg, rht_obj(ht, he)) :
+		    rhashtable_compare(&arg, rht_obj(ht, he)))
+			continue;
+		rcu_read_unlock();
+		return rht_obj(ht, he);
+	}
+
+	/* Ensure we see any new tables. */
+	smp_rmb();
+
+	tbl = rht_dereference_rcu(tbl->future_tbl, ht);
+	if (unlikely(tbl))
+		goto restart;
+	rcu_read_unlock();
+
+	return NULL;
+}
+
+/* Internal function, please use rhashtable_insert_fast() instead */
+static inline int __rhashtable_insert_fast(
+	struct rhashtable *ht, const void *key, struct rhash_head *obj,
+	const struct rhashtable_params params)
+{
+	struct rhashtable_compare_arg arg = {
+		.ht = ht,
+		.key = key,
+	};
+	struct bucket_table *tbl, *new_tbl;
+	struct rhash_head *head;
+	spinlock_t *lock;
+	unsigned int elasticity;
+	unsigned int hash;
+	int err;
+
+restart:
+	rcu_read_lock();
+
+	tbl = rht_dereference_rcu(ht->tbl, ht);
+
+	/* All insertions must grab the oldest table containing
+	 * the hashed bucket that is yet to be rehashed.
+	 */
+	for (;;) {
+		hash = rht_head_hashfn(ht, tbl, obj, params);
+		lock = rht_bucket_lock(tbl, hash);
+		spin_lock_bh(lock);
+
+		if (tbl->rehash <= hash)
+			break;
+
+		spin_unlock_bh(lock);
+		tbl = rht_dereference_rcu(tbl->future_tbl, ht);
+	}
+
+	new_tbl = rht_dereference_rcu(tbl->future_tbl, ht);
+	if (unlikely(new_tbl)) {
+		tbl = rhashtable_insert_slow(ht, key, obj, new_tbl);
+		if (!IS_ERR_OR_NULL(tbl))
+			goto slow_path;
+
+		err = PTR_ERR(tbl);
+		goto out;
+	}
+
+	err = -E2BIG;
+	if (unlikely(rht_grow_above_max(ht, tbl)))
+		goto out;
+
+	if (unlikely(rht_grow_above_100(ht, tbl))) {
+slow_path:
+		spin_unlock_bh(lock);
+		err = rhashtable_insert_rehash(ht, tbl);
+		rcu_read_unlock();
+		if (err)
+			return err;
+
+		goto restart;
+	}
+
+	err = -EEXIST;
+	elasticity = ht->elasticity;
+	rht_for_each(head, tbl, hash) {
+		if (key &&
+		    unlikely(!(params.obj_cmpfn ?
+			       params.obj_cmpfn(&arg, rht_obj(ht, head)) :
+			       rhashtable_compare(&arg, rht_obj(ht, head)))))
+			goto out;
+		if (!--elasticity)
+			goto slow_path;
+	}
+
+	err = 0;
+
+	head = rht_dereference_bucket(tbl->buckets[hash], tbl, hash);
+
+	RCU_INIT_POINTER(obj->next, head);
+
+	rcu_assign_pointer(tbl->buckets[hash], obj);
+
+	atomic_inc(&ht->nelems);
+	if (rht_grow_above_75(ht, tbl))
+		schedule_work(&ht->run_work);
+
+out:
+	spin_unlock_bh(lock);
+	rcu_read_unlock();
+
+	return err;
+}
+
+/**
+ * rhashtable_insert_fast - insert object into hash table
+ * @ht:		hash table
+ * @obj:	pointer to hash head inside object
+ * @params:	hash table parameters
+ *
+ * Will take a per bucket spinlock to protect against mutual mutations
+ * on the same bucket. Multiple insertions may occur in parallel unless
+ * they map to the same bucket lock.
+ *
+ * It is safe to call this function from atomic context.
+ *
+ * Will trigger an automatic deferred table resizing if the size grows
+ * beyond the watermark indicated by grow_decision() which can be passed
+ * to rhashtable_init().
+ */
+static inline int rhashtable_insert_fast(
+	struct rhashtable *ht, struct rhash_head *obj,
+	const struct rhashtable_params params)
+{
+	return __rhashtable_insert_fast(ht, NULL, obj, params);
+}
+
+/**
+ * rhashtable_lookup_insert_fast - lookup and insert object into hash table
+ * @ht:		hash table
+ * @obj:	pointer to hash head inside object
+ * @params:	hash table parameters
+ *
+ * Locks down the bucket chain in both the old and new table if a resize
+ * is in progress to ensure that writers can't remove from the old table
+ * and can't insert to the new table during the atomic operation of search
+ * and insertion. Searches for duplicates in both the old and new table if
+ * a resize is in progress.
+ *
+ * This lookup function may only be used for fixed key hash table (key_len
+ * parameter set). It will BUG() if used inappropriately.
+ *
+ * It is safe to call this function from atomic context.
+ *
+ * Will trigger an automatic deferred table resizing if the size grows
+ * beyond the watermark indicated by grow_decision() which can be passed
+ * to rhashtable_init().
+ */
+static inline int rhashtable_lookup_insert_fast(
+	struct rhashtable *ht, struct rhash_head *obj,
+	const struct rhashtable_params params)
+{
+	const char *key = rht_obj(ht, obj);
+
+	BUG_ON(ht->p.obj_hashfn);
+
+	return __rhashtable_insert_fast(ht, key + ht->p.key_offset, obj,
+					params);
+}
+
+/**
+ * rhashtable_lookup_insert_key - search and insert object to hash table
+ *				  with explicit key
+ * @ht:		hash table
+ * @key:	key
+ * @obj:	pointer to hash head inside object
+ * @params:	hash table parameters
+ *
+ * Locks down the bucket chain in both the old and new table if a resize
+ * is in progress to ensure that writers can't remove from the old table
+ * and can't insert to the new table during the atomic operation of search
+ * and insertion. Searches for duplicates in both the old and new table if
+ * a resize is in progress.
+ *
+ * Lookups may occur in parallel with hashtable mutations and resizing.
+ *
+ * Will trigger an automatic deferred table resizing if the size grows
+ * beyond the watermark indicated by grow_decision() which can be passed
+ * to rhashtable_init().
+ *
+ * Returns zero on success.
+ */
+static inline int rhashtable_lookup_insert_key(
+	struct rhashtable *ht, const void *key, struct rhash_head *obj,
+	const struct rhashtable_params params)
+{
+	BUG_ON(!ht->p.obj_hashfn || !key);
+
+	return __rhashtable_insert_fast(ht, key, obj, params);
+}
+
+/* Internal function, please use rhashtable_remove_fast() instead */
+static inline int __rhashtable_remove_fast(
+	struct rhashtable *ht, struct bucket_table *tbl,
+	struct rhash_head *obj, const struct rhashtable_params params)
+{
+	struct rhash_head __rcu **pprev;
+	struct rhash_head *he;
+	spinlock_t * lock;
+	unsigned int hash;
+	int err = -ENOENT;
+
+	hash = rht_head_hashfn(ht, tbl, obj, params);
+	lock = rht_bucket_lock(tbl, hash);
+
+	spin_lock_bh(lock);
+
+	pprev = &tbl->buckets[hash];
+	rht_for_each(he, tbl, hash) {
+		if (he != obj) {
+			pprev = &he->next;
+			continue;
+		}
+
+		rcu_assign_pointer(*pprev, obj->next);
+		err = 0;
+		break;
+	}
+
+	spin_unlock_bh(lock);
+
+	return err;
+}
+
+/**
+ * rhashtable_remove_fast - remove object from hash table
+ * @ht:		hash table
+ * @obj:	pointer to hash head inside object
+ * @params:	hash table parameters
+ *
+ * Since the hash chain is single linked, the removal operation needs to
+ * walk the bucket chain upon removal. The removal operation is thus
+ * considerable slow if the hash table is not correctly sized.
+ *
+ * Will automatically shrink the table via rhashtable_expand() if the
+ * shrink_decision function specified at rhashtable_init() returns true.
+ *
+ * Returns zero on success, -ENOENT if the entry could not be found.
+ */
+static inline int rhashtable_remove_fast(
+	struct rhashtable *ht, struct rhash_head *obj,
+	const struct rhashtable_params params)
+{
+	struct bucket_table *tbl;
+	int err;
+
+	rcu_read_lock();
+
+	tbl = rht_dereference_rcu(ht->tbl, ht);
+
+	/* Because we have already taken (and released) the bucket
+	 * lock in old_tbl, if we find that future_tbl is not yet
+	 * visible then that guarantees the entry to still be in
+	 * the old tbl if it exists.
+	 */
+	while ((err = __rhashtable_remove_fast(ht, tbl, obj, params)) &&
+	       (tbl = rht_dereference_rcu(tbl->future_tbl, ht)))
+		;
+
+	if (err)
+		goto out;
+
+	atomic_dec(&ht->nelems);
+	if (unlikely(ht->p.automatic_shrinking &&
+		     rht_shrink_below_30(ht, tbl)))
+		schedule_work(&ht->run_work);
+
+out:
+	rcu_read_unlock();
+
+	return err;
+}
+
+#endif /* _LINUX_RHASHTABLE_H */
+

os_dep/linux/rtw_cfgvendor.h

@@ -0,0 +1,559 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 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.
+ *
+ *****************************************************************************/
+
+#ifndef _RTW_CFGVENDOR_H_
+#define _RTW_CFGVENDOR_H_
+
+#define OUI_GOOGLE  0x001A11
+#define ATTRIBUTE_U32_LEN                  (NLA_HDRLEN  + 4)
+#define VENDOR_ID_OVERHEAD                 ATTRIBUTE_U32_LEN
+#define VENDOR_SUBCMD_OVERHEAD             ATTRIBUTE_U32_LEN
+#define VENDOR_DATA_OVERHEAD               (NLA_HDRLEN)
+
+#define SCAN_RESULTS_COMPLETE_FLAG_LEN       ATTRIBUTE_U32_LEN
+#define SCAN_INDEX_HDR_LEN                   (NLA_HDRLEN)
+#define SCAN_ID_HDR_LEN                      ATTRIBUTE_U32_LEN
+#define SCAN_FLAGS_HDR_LEN                   ATTRIBUTE_U32_LEN
+#define GSCAN_NUM_RESULTS_HDR_LEN            ATTRIBUTE_U32_LEN
+#define GSCAN_RESULTS_HDR_LEN                (NLA_HDRLEN)
+#define GSCAN_BATCH_RESULT_HDR_LEN  (SCAN_INDEX_HDR_LEN + SCAN_ID_HDR_LEN + \
+				     SCAN_FLAGS_HDR_LEN + \
+				     GSCAN_NUM_RESULTS_HDR_LEN + \
+				     GSCAN_RESULTS_HDR_LEN)
+
+#define VENDOR_REPLY_OVERHEAD       (VENDOR_ID_OVERHEAD + \
+				     VENDOR_SUBCMD_OVERHEAD + \
+				     VENDOR_DATA_OVERHEAD)
+typedef enum {
+    /* don't use 0 as a valid subcommand */
+    VENDOR_NL80211_SUBCMD_UNSPECIFIED,
+
+    /* define all vendor startup commands between 0x0 and 0x0FFF */
+    VENDOR_NL80211_SUBCMD_RANGE_START = 0x0001,
+    VENDOR_NL80211_SUBCMD_RANGE_END   = 0x0FFF,
+
+    /* define all GScan related commands between 0x1000 and 0x10FF */
+    ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START = 0x1000,
+    ANDROID_NL80211_SUBCMD_GSCAN_RANGE_END   = 0x10FF,
+
+    /* define all NearbyDiscovery related commands between 0x1100 and 0x11FF */
+    ANDROID_NL80211_SUBCMD_NBD_RANGE_START = 0x1100,
+    ANDROID_NL80211_SUBCMD_NBD_RANGE_END   = 0x11FF,
+
+    /* define all RTT related commands between 0x1100 and 0x11FF */
+    ANDROID_NL80211_SUBCMD_RTT_RANGE_START = 0x1100,
+    ANDROID_NL80211_SUBCMD_RTT_RANGE_END   = 0x11FF,
+
+    ANDROID_NL80211_SUBCMD_LSTATS_RANGE_START = 0x1200,
+    ANDROID_NL80211_SUBCMD_LSTATS_RANGE_END   = 0x12FF,
+
+    /* define all Logger related commands between 0x1400 and 0x14FF */
+    ANDROID_NL80211_SUBCMD_DEBUG_RANGE_START = 0x1400,
+    ANDROID_NL80211_SUBCMD_DEBUG_RANGE_END   = 0x14FF,
+
+    /* define all wifi offload related commands between 0x1600 and 0x16FF */
+    ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_START = 0x1600,
+    ANDROID_NL80211_SUBCMD_WIFI_OFFLOAD_RANGE_END   = 0x16FF,
+
+    /* define all NAN related commands between 0x1700 and 0x17FF */
+    ANDROID_NL80211_SUBCMD_NAN_RANGE_START = 0x1700,
+    ANDROID_NL80211_SUBCMD_NAN_RANGE_END   = 0x17FF,
+
+    /* define all Android Packet Filter related commands between 0x1800 and 0x18FF */
+    ANDROID_NL80211_SUBCMD_PKT_FILTER_RANGE_START = 0x1800,
+    ANDROID_NL80211_SUBCMD_PKT_FILTER_RANGE_END   = 0x18FF,
+
+    /* This is reserved for future usage */
+
+} ANDROID_VENDOR_SUB_COMMAND;
+
+enum rtw_vendor_subcmd {
+    GSCAN_SUBCMD_GET_CAPABILITIES = ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START,
+
+    GSCAN_SUBCMD_SET_CONFIG,                            /* 0x1001 */
+
+    GSCAN_SUBCMD_SET_SCAN_CONFIG,                       /* 0x1002 */
+    GSCAN_SUBCMD_ENABLE_GSCAN,                          /* 0x1003 */
+    GSCAN_SUBCMD_GET_SCAN_RESULTS,                      /* 0x1004 */
+    GSCAN_SUBCMD_SCAN_RESULTS,                          /* 0x1005 */
+
+    GSCAN_SUBCMD_SET_HOTLIST,                           /* 0x1006 */
+
+    GSCAN_SUBCMD_SET_SIGNIFICANT_CHANGE_CONFIG,         /* 0x1007 */
+    GSCAN_SUBCMD_ENABLE_FULL_SCAN_RESULTS,              /* 0x1008 */
+    GSCAN_SUBCMD_GET_CHANNEL_LIST,                       /* 0x1009 */
+
+    WIFI_SUBCMD_GET_FEATURE_SET,                         /* 0x100A */
+    WIFI_SUBCMD_GET_FEATURE_SET_MATRIX,                  /* 0x100B */
+    WIFI_SUBCMD_SET_PNO_RANDOM_MAC_OUI,                  /* 0x100C */
+    WIFI_SUBCMD_NODFS_SET,                               /* 0x100D */
+    WIFI_SUBCMD_SET_COUNTRY_CODE,                             /* 0x100E */
+    /* Add more sub commands here */
+    GSCAN_SUBCMD_SET_EPNO_SSID,                          /* 0x100F */
+
+    WIFI_SUBCMD_SET_SSID_WHITE_LIST,                    /* 0x1010 */
+    WIFI_SUBCMD_SET_ROAM_PARAMS,                        /* 0x1011 */
+    WIFI_SUBCMD_ENABLE_LAZY_ROAM,                       /* 0x1012 */
+    WIFI_SUBCMD_SET_BSSID_PREF,                         /* 0x1013 */
+    WIFI_SUBCMD_SET_BSSID_BLACKLIST,                     /* 0x1014 */
+
+    GSCAN_SUBCMD_ANQPO_CONFIG,                          /* 0x1015 */
+    WIFI_SUBCMD_SET_RSSI_MONITOR,                       /* 0x1016 */
+    WIFI_SUBCMD_CONFIG_ND_OFFLOAD,                      /* 0x1017 */
+    /* Add more sub commands here */
+
+    GSCAN_SUBCMD_MAX,
+
+	RTT_SUBCMD_SET_CONFIG = ANDROID_NL80211_SUBCMD_RTT_RANGE_START,
+	RTT_SUBCMD_CANCEL_CONFIG,
+	RTT_SUBCMD_GETCAPABILITY,
+
+    APF_SUBCMD_GET_CAPABILITIES = ANDROID_NL80211_SUBCMD_PKT_FILTER_RANGE_START,
+    APF_SUBCMD_SET_FILTER,
+};
+
+enum gscan_attributes {
+	GSCAN_ATTRIBUTE_NUM_BUCKETS = 10,
+	GSCAN_ATTRIBUTE_BASE_PERIOD,
+	GSCAN_ATTRIBUTE_BUCKETS_BAND,
+	GSCAN_ATTRIBUTE_BUCKET_ID,
+	GSCAN_ATTRIBUTE_BUCKET_PERIOD,
+	GSCAN_ATTRIBUTE_BUCKET_NUM_CHANNELS,
+	GSCAN_ATTRIBUTE_BUCKET_CHANNELS,
+	GSCAN_ATTRIBUTE_NUM_AP_PER_SCAN,
+	GSCAN_ATTRIBUTE_REPORT_THRESHOLD,
+	GSCAN_ATTRIBUTE_NUM_SCANS_TO_CACHE,
+	GSCAN_ATTRIBUTE_BAND = GSCAN_ATTRIBUTE_BUCKETS_BAND,
+
+	GSCAN_ATTRIBUTE_ENABLE_FEATURE = 20,
+	GSCAN_ATTRIBUTE_SCAN_RESULTS_COMPLETE,
+	GSCAN_ATTRIBUTE_FLUSH_FEATURE,
+	GSCAN_ATTRIBUTE_ENABLE_FULL_SCAN_RESULTS,
+	GSCAN_ATTRIBUTE_REPORT_EVENTS,
+	/* remaining reserved for additional attributes */
+	GSCAN_ATTRIBUTE_NUM_OF_RESULTS = 30,
+	GSCAN_ATTRIBUTE_FLUSH_RESULTS,
+	GSCAN_ATTRIBUTE_SCAN_RESULTS,                       /* flat array of wifi_scan_result */
+	GSCAN_ATTRIBUTE_SCAN_ID,                            /* indicates scan number */
+	GSCAN_ATTRIBUTE_SCAN_FLAGS,                         /* indicates if scan was aborted */
+	GSCAN_ATTRIBUTE_AP_FLAGS,                           /* flags on significant change event */
+	GSCAN_ATTRIBUTE_NUM_CHANNELS,
+	GSCAN_ATTRIBUTE_CHANNEL_LIST,
+
+	/* remaining reserved for additional attributes */
+
+	GSCAN_ATTRIBUTE_SSID = 40,
+	GSCAN_ATTRIBUTE_BSSID,
+	GSCAN_ATTRIBUTE_CHANNEL,
+	GSCAN_ATTRIBUTE_RSSI,
+	GSCAN_ATTRIBUTE_TIMESTAMP,
+	GSCAN_ATTRIBUTE_RTT,
+	GSCAN_ATTRIBUTE_RTTSD,
+
+	/* remaining reserved for additional attributes */
+
+	GSCAN_ATTRIBUTE_HOTLIST_BSSIDS = 50,
+	GSCAN_ATTRIBUTE_RSSI_LOW,
+	GSCAN_ATTRIBUTE_RSSI_HIGH,
+	GSCAN_ATTRIBUTE_HOSTLIST_BSSID_ELEM,
+	GSCAN_ATTRIBUTE_HOTLIST_FLUSH,
+
+	/* remaining reserved for additional attributes */
+	GSCAN_ATTRIBUTE_RSSI_SAMPLE_SIZE = 60,
+	GSCAN_ATTRIBUTE_LOST_AP_SAMPLE_SIZE,
+	GSCAN_ATTRIBUTE_MIN_BREACHING,
+	GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_BSSIDS,
+	GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_FLUSH,
+	GSCAN_ATTRIBUTE_MAX
+};
+
+enum gscan_bucket_attributes {
+	GSCAN_ATTRIBUTE_CH_BUCKET_1,
+	GSCAN_ATTRIBUTE_CH_BUCKET_2,
+	GSCAN_ATTRIBUTE_CH_BUCKET_3,
+	GSCAN_ATTRIBUTE_CH_BUCKET_4,
+	GSCAN_ATTRIBUTE_CH_BUCKET_5,
+	GSCAN_ATTRIBUTE_CH_BUCKET_6,
+	GSCAN_ATTRIBUTE_CH_BUCKET_7
+};
+
+enum gscan_ch_attributes {
+	GSCAN_ATTRIBUTE_CH_ID_1,
+	GSCAN_ATTRIBUTE_CH_ID_2,
+	GSCAN_ATTRIBUTE_CH_ID_3,
+	GSCAN_ATTRIBUTE_CH_ID_4,
+	GSCAN_ATTRIBUTE_CH_ID_5,
+	GSCAN_ATTRIBUTE_CH_ID_6,
+	GSCAN_ATTRIBUTE_CH_ID_7
+};
+
+enum rtt_attributes {
+	RTT_ATTRIBUTE_TARGET_CNT,
+	RTT_ATTRIBUTE_TARGET_INFO,
+	RTT_ATTRIBUTE_TARGET_MAC,
+	RTT_ATTRIBUTE_TARGET_TYPE,
+	RTT_ATTRIBUTE_TARGET_PEER,
+	RTT_ATTRIBUTE_TARGET_CHAN,
+	RTT_ATTRIBUTE_TARGET_MODE,
+	RTT_ATTRIBUTE_TARGET_INTERVAL,
+	RTT_ATTRIBUTE_TARGET_NUM_MEASUREMENT,
+	RTT_ATTRIBUTE_TARGET_NUM_PKT,
+	RTT_ATTRIBUTE_TARGET_NUM_RETRY
+};
+
+typedef enum rtw_vendor_event {
+    RTK_RESERVED1,
+    RTK_RESERVED2,
+    GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS ,
+    GSCAN_EVENT_HOTLIST_RESULTS_FOUND,
+    GSCAN_EVENT_SCAN_RESULTS_AVAILABLE,
+    GSCAN_EVENT_FULL_SCAN_RESULTS,
+    RTT_EVENT_COMPLETE,
+    GSCAN_EVENT_COMPLETE_SCAN,
+    GSCAN_EVENT_HOTLIST_RESULTS_LOST,
+    GSCAN_EVENT_EPNO_EVENT,
+    GOOGLE_DEBUG_RING_EVENT,
+    GOOGLE_DEBUG_MEM_DUMP_EVENT,
+    GSCAN_EVENT_ANQPO_HOTSPOT_MATCH,
+    GOOGLE_RSSI_MONITOR_EVENT
+} rtw_vendor_event_t;
+
+enum andr_wifi_feature_set_attr {
+	ANDR_WIFI_ATTRIBUTE_NUM_FEATURE_SET,
+	ANDR_WIFI_ATTRIBUTE_FEATURE_SET
+};
+
+typedef enum rtw_vendor_gscan_attribute {
+	ATTR_START_GSCAN,
+	ATTR_STOP_GSCAN,
+	ATTR_SET_SCAN_BATCH_CFG_ID, /* set batch scan params */
+	ATTR_SET_SCAN_GEOFENCE_CFG_ID, /* set list of bssids to track */
+	ATTR_SET_SCAN_SIGNIFICANT_CFG_ID, /* set list of bssids, rssi threshold etc.. */
+	ATTR_SET_SCAN_CFG_ID, /* set common scan config params here */
+	ATTR_GET_GSCAN_CAPABILITIES_ID,
+	/* Add more sub commands here */
+	ATTR_GSCAN_MAX
+} rtw_vendor_gscan_attribute_t;
+
+typedef enum gscan_batch_attribute {
+	ATTR_GSCAN_BATCH_BESTN,
+	ATTR_GSCAN_BATCH_MSCAN,
+	ATTR_GSCAN_BATCH_BUFFER_THRESHOLD
+} gscan_batch_attribute_t;
+
+typedef enum gscan_geofence_attribute {
+	ATTR_GSCAN_NUM_HOTLIST_BSSID,
+	ATTR_GSCAN_HOTLIST_BSSID
+} gscan_geofence_attribute_t;
+
+typedef enum gscan_complete_event {
+	WIFI_SCAN_BUFFER_FULL,
+	WIFI_SCAN_COMPLETE
+} gscan_complete_event_t;
+/* wifi_hal.h */
+/* WiFi Common definitions */
+typedef unsigned char byte;
+typedef int wifi_request_id;
+typedef int wifi_channel;                       // indicates channel frequency in MHz
+typedef int wifi_rssi;
+typedef byte mac_addr[6];
+typedef byte oui[3];
+typedef int64_t wifi_timestamp;                 // In microseconds (us)
+typedef int64_t wifi_timespan;                  // In picoseconds  (ps)
+
+struct wifi_info;
+struct wifi_interface_info;
+typedef struct wifi_info *wifi_handle;
+typedef struct wifi_interface_info *wifi_interface_handle;
+
+/* channel operating width */
+typedef enum {
+    WIFI_CHAN_WIDTH_20    = 0,
+    WIFI_CHAN_WIDTH_40    = 1,
+    WIFI_CHAN_WIDTH_80    = 2,
+    WIFI_CHAN_WIDTH_160   = 3,
+    WIFI_CHAN_WIDTH_80P80 = 4,
+    WIFI_CHAN_WIDTH_5     = 5,
+    WIFI_CHAN_WIDTH_10    = 6,
+    WIFI_CHAN_WIDTH_INVALID = -1
+} wifi_channel_width;
+
+typedef int wifi_radio;
+
+typedef struct {
+    wifi_channel_width width;
+    int center_frequency0;
+    int center_frequency1;
+    int primary_frequency;
+} wifi_channel_spec;
+
+typedef enum {
+    WIFI_SUCCESS = 0,
+    WIFI_ERROR_NONE = 0,
+    WIFI_ERROR_UNKNOWN = -1,
+    WIFI_ERROR_UNINITIALIZED = -2,
+    WIFI_ERROR_NOT_SUPPORTED = -3,
+    WIFI_ERROR_NOT_AVAILABLE = -4,              // Not available right now, but try later
+    WIFI_ERROR_INVALID_ARGS = -5,
+    WIFI_ERROR_INVALID_REQUEST_ID = -6,
+    WIFI_ERROR_TIMED_OUT = -7,
+    WIFI_ERROR_TOO_MANY_REQUESTS = -8,          // Too many instances of this request
+    WIFI_ERROR_OUT_OF_MEMORY = -9,
+    WIFI_ERROR_BUSY = -10,
+} wifi_error;
+
+#ifdef CONFIG_RTW_CFGVEDNOR_LLSTATS
+#define STATS_MAJOR_VERSION      1
+#define STATS_MINOR_VERSION      0
+#define STATS_MICRO_VERSION      0
+
+typedef enum {
+    WIFI_DISCONNECTED = 0,
+    WIFI_AUTHENTICATING = 1,
+    WIFI_ASSOCIATING = 2,
+    WIFI_ASSOCIATED = 3,
+    WIFI_EAPOL_STARTED = 4,   // if done by firmware/driver
+    WIFI_EAPOL_COMPLETED = 5, // if done by firmware/driver
+} wifi_connection_state;
+
+typedef enum {
+    WIFI_ROAMING_IDLE = 0,
+    WIFI_ROAMING_ACTIVE = 1,
+} wifi_roam_state;
+
+typedef enum {
+    WIFI_INTERFACE_STA = 0,
+    WIFI_INTERFACE_SOFTAP = 1,
+    WIFI_INTERFACE_IBSS = 2,
+    WIFI_INTERFACE_P2P_CLIENT = 3,
+    WIFI_INTERFACE_P2P_GO = 4,
+    WIFI_INTERFACE_NAN = 5,
+    WIFI_INTERFACE_MESH = 6,
+    WIFI_INTERFACE_UNKNOWN = -1
+ } wifi_interface_mode;
+
+#define WIFI_CAPABILITY_QOS          0x00000001     // set for QOS association
+#define WIFI_CAPABILITY_PROTECTED    0x00000002     // set for protected association (802.11 beacon frame control protected bit set)
+#define WIFI_CAPABILITY_INTERWORKING 0x00000004     // set if 802.11 Extended Capabilities element interworking bit is set
+#define WIFI_CAPABILITY_HS20         0x00000008     // set for HS20 association
+#define WIFI_CAPABILITY_SSID_UTF8    0x00000010     // set is 802.11 Extended Capabilities element UTF-8 SSID bit is set
+#define WIFI_CAPABILITY_COUNTRY      0x00000020     // set is 802.11 Country Element is present
+
+typedef struct {
+   wifi_interface_mode mode;     // interface mode
+   u8 mac_addr[6];               // interface mac address (self)
+   wifi_connection_state state;  // connection state (valid for STA, CLI only)
+   wifi_roam_state roaming;      // roaming state
+   u32 capabilities;             // WIFI_CAPABILITY_XXX (self)
+   u8 ssid[33];                  // null terminated SSID
+   u8 bssid[6];                  // bssid
+   u8 ap_country_str[3];         // country string advertised by AP
+   u8 country_str[3];            // country string for this association
+} wifi_interface_link_layer_info;
+
+/* channel information */
+typedef struct {
+   wifi_channel_width width;   // channel width (20, 40, 80, 80+80, 160)
+   wifi_channel center_freq;   // primary 20 MHz channel
+   wifi_channel center_freq0;  // center frequency (MHz) first segment
+   wifi_channel center_freq1;  // center frequency (MHz) second segment
+} wifi_channel_info;
+
+/* wifi rate */
+typedef struct {
+   u32 preamble   :3;   // 0: OFDM, 1:CCK, 2:HT 3:VHT 4..7 reserved
+   u32 nss        :2;   // 0:1x1, 1:2x2, 3:3x3, 4:4x4
+   u32 bw         :3;   // 0:20MHz, 1:40Mhz, 2:80Mhz, 3:160Mhz
+   u32 rateMcsIdx :8;   // OFDM/CCK rate code would be as per ieee std in the units of 0.5mbps
+                        // HT/VHT it would be mcs index
+   u32 reserved  :16;   // reserved
+   u32 bitrate;         // units of 100 Kbps
+} wifi_rate;
+
+/* channel statistics */
+typedef struct {
+   wifi_channel_info channel;  // channel
+   u32 on_time;                // msecs the radio is awake (32 bits number accruing over time)
+   u32 cca_busy_time;          // msecs the CCA register is busy (32 bits number accruing over time)
+} wifi_channel_stat;
+
+// Max number of tx power levels. The actual number vary per device and is specified by |num_tx_levels|
+#define RADIO_STAT_MAX_TX_LEVELS 256
+
+/* radio statistics */
+typedef struct {
+   wifi_radio radio;                      // wifi radio (if multiple radio supported)
+   u32 on_time;                           // msecs the radio is awake (32 bits number accruing over time)
+   u32 tx_time;                           // msecs the radio is transmitting (32 bits number accruing over time)
+   u32 num_tx_levels;                     // number of radio transmit power levels
+   u32* tx_time_per_levels;               // pointer to an array of radio transmit per power levels in
+                                          // msecs accured over time
+   u32 rx_time;                           // msecs the radio is in active receive (32 bits number accruing over time)
+   u32 on_time_scan;                      // msecs the radio is awake due to all scan (32 bits number accruing over time)
+   u32 on_time_nbd;                       // msecs the radio is awake due to NAN (32 bits number accruing over time)
+   u32 on_time_gscan;                     // msecs the radio is awake due to G?scan (32 bits number accruing over time)
+   u32 on_time_roam_scan;                 // msecs the radio is awake due to roam?scan (32 bits number accruing over time)
+   u32 on_time_pno_scan;                  // msecs the radio is awake due to PNO scan (32 bits number accruing over time)
+   u32 on_time_hs20;                      // msecs the radio is awake due to HS2.0 scans and GAS exchange (32 bits number accruing over time)
+   u32 num_channels;                      // number of channels
+   wifi_channel_stat channels[];          // channel statistics
+} wifi_radio_stat;
+
+/**
+ * Packet statistics reporting by firmware is performed on MPDU basi (i.e. counters increase by 1 for each MPDU)
+ * As well, "data packet" in associated comments, shall be interpreted as 802.11 data packet,
+ * that is, 802.11 frame control subtype == 2 and excluding management and control frames.
+ *
+ * As an example, in the case of transmission of an MSDU fragmented in 16 MPDUs which are transmitted
+ * OTA in a 16 units long a-mpdu, for which a block ack is received with 5 bits set:
+ *          tx_mpdu : shall increase by 5
+ *          retries : shall increase by 16
+ *          tx_ampdu : shall increase by 1
+ * data packet counters shall not increase regardless of the number of BAR potentially sent by device for this a-mpdu
+ * data packet counters shall not increase regardless of the number of BA received by device for this a-mpdu
+ *
+ * For each subsequent retransmission of the 11 remaining non ACK'ed mpdus
+ * (regardless of the fact that they are transmitted in a-mpdu or not)
+ *          retries : shall increase by 1
+ *
+ * If no subsequent BA or ACK are received from AP, until packet lifetime expires for those 11 packet that were not ACK'ed
+ *          mpdu_lost : shall increase by 11
+ */
+
+/* per rate statistics */
+typedef struct {
+   wifi_rate rate;     // rate information
+   u32 tx_mpdu;        // number of successfully transmitted data pkts (ACK rcvd)
+   u32 rx_mpdu;        // number of received data pkts
+   u32 mpdu_lost;      // number of data packet losses (no ACK)
+   u32 retries;        // total number of data pkt retries
+   u32 retries_short;  // number of short data pkt retries
+   u32 retries_long;   // number of long data pkt retries
+} wifi_rate_stat;
+
+/* access categories */
+typedef enum {
+   WIFI_AC_VO  = 0,
+   WIFI_AC_VI  = 1,
+   WIFI_AC_BE  = 2,
+   WIFI_AC_BK  = 3,
+   WIFI_AC_MAX = 4,
+} wifi_traffic_ac;
+
+/* wifi peer type */
+typedef enum
+{
+   WIFI_PEER_STA,
+   WIFI_PEER_AP,
+   WIFI_PEER_P2P_GO,
+   WIFI_PEER_P2P_CLIENT,
+   WIFI_PEER_NAN,
+   WIFI_PEER_TDLS,
+   WIFI_PEER_INVALID,
+} wifi_peer_type;
+
+/* per peer statistics */
+typedef struct {
+   wifi_peer_type type;           // peer type (AP, TDLS, GO etc.)
+   u8 peer_mac_address[6];        // mac address
+   u32 capabilities;              // peer WIFI_CAPABILITY_XXX
+   u32 num_rate;                  // number of rates
+   wifi_rate_stat rate_stats[];   // per rate statistics, number of entries  = num_rate
+} wifi_peer_info;
+
+/* Per access category statistics */
+typedef struct {
+   wifi_traffic_ac ac;             // access category (VI, VO, BE, BK)
+   u32 tx_mpdu;                    // number of successfully transmitted unicast data pkts (ACK rcvd)
+   u32 rx_mpdu;                    // number of received unicast data packets
+   u32 tx_mcast;                   // number of succesfully transmitted multicast data packets
+                                   // STA case: implies ACK received from AP for the unicast packet in which mcast pkt was sent
+   u32 rx_mcast;                   // number of received multicast data packets
+   u32 rx_ampdu;                   // number of received unicast a-mpdus; support of this counter is optional
+   u32 tx_ampdu;                   // number of transmitted unicast a-mpdus; support of this counter is optional
+   u32 mpdu_lost;                  // number of data pkt losses (no ACK)
+   u32 retries;                    // total number of data pkt retries
+   u32 retries_short;              // number of short data pkt retries
+   u32 retries_long;               // number of long data pkt retries
+   u32 contention_time_min;        // data pkt min contention time (usecs)
+   u32 contention_time_max;        // data pkt max contention time (usecs)
+   u32 contention_time_avg;        // data pkt avg contention time (usecs)
+   u32 contention_num_samples;     // num of data pkts used for contention statistics
+} wifi_wmm_ac_stat;
+
+/* interface statistics */
+typedef struct {
+   wifi_interface_handle iface;          // wifi interface
+   wifi_interface_link_layer_info info;  // current state of the interface
+   u32 beacon_rx;                        // access point beacon received count from connected AP
+   u64 average_tsf_offset;               // average beacon offset encountered (beacon_TSF - TBTT)
+                                         // The average_tsf_offset field is used so as to calculate the
+                                         // typical beacon contention time on the channel as well may be
+                                         // used to debug beacon synchronization and related power consumption issue
+   u32 leaky_ap_detected;                // indicate that this AP typically leaks packets beyond the driver guard time.
+   u32 leaky_ap_avg_num_frames_leaked;  // average number of frame leaked by AP after frame with PM bit set was ACK'ed by AP
+   u32 leaky_ap_guard_time;              // guard time currently in force (when implementing IEEE power management based on
+                                         // frame control PM bit), How long driver waits before shutting down the radio and
+                                         // after receiving an ACK for a data frame with PM bit set)
+   u32 mgmt_rx;                          // access point mgmt frames received count from connected AP (including Beacon)
+   u32 mgmt_action_rx;                   // action frames received count
+   u32 mgmt_action_tx;                   // action frames transmit count
+   wifi_rssi rssi_mgmt;                  // access Point Beacon and Management frames RSSI (averaged)
+   wifi_rssi rssi_data;                  // access Point Data Frames RSSI (averaged) from connected AP
+   wifi_rssi rssi_ack;                   // access Point ACK RSSI (averaged) from connected AP
+   wifi_wmm_ac_stat ac[WIFI_AC_MAX];     // per ac data packet statistics
+   u32 num_peers;                        // number of peers
+   wifi_peer_info peer_info[];           // per peer statistics
+} wifi_iface_stat;
+
+/* configuration params */
+typedef struct {
+   u32 mpdu_size_threshold;             // threshold to classify the pkts as short or long
+                                        // packet size < mpdu_size_threshold => short
+   u32 aggressive_statistics_gathering; // set for field debug mode. Driver should collect all statistics regardless of performance impact.
+} wifi_link_layer_params;
+
+/* callback for reporting link layer stats */
+typedef struct {
+  void (*on_link_stats_results) (wifi_request_id id, wifi_iface_stat *iface_stat,
+         int num_radios, wifi_radio_stat *radio_stat);
+} wifi_stats_result_handler;
+
+
+/* wifi statistics bitmap  */
+#define WIFI_STATS_RADIO              0x00000001      // all radio statistics
+#define WIFI_STATS_RADIO_CCA          0x00000002      // cca_busy_time (within radio statistics)
+#define WIFI_STATS_RADIO_CHANNELS     0x00000004      // all channel statistics (within radio statistics)
+#define WIFI_STATS_RADIO_SCAN         0x00000008      // all scan statistics (within radio statistics)
+#define WIFI_STATS_IFACE              0x00000010      // all interface statistics
+#define WIFI_STATS_IFACE_TXRATE       0x00000020      // all tx rate statistics (within interface statistics)
+#define WIFI_STATS_IFACE_AC           0x00000040      // all ac statistics (within interface statistics)
+#define WIFI_STATS_IFACE_CONTENTION   0x00000080      // all contention (min, max, avg) statistics (within ac statisctics)
+
+#endif /* CONFIG_RTW_CFGVEDNOR_LLSTATS */
+
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) || defined(RTW_VENDOR_EXT_SUPPORT)
+extern int rtw_cfgvendor_attach(struct wiphy *wiphy);
+extern int rtw_cfgvendor_detach(struct wiphy *wiphy);
+extern int rtw_cfgvendor_send_async_event(struct wiphy *wiphy,
+	struct net_device *dev, int event_id, const void  *data, int len);
+#if defined(GSCAN_SUPPORT) && 0
+extern int rtw_cfgvendor_send_hotlist_event(struct wiphy *wiphy,
+	struct net_device *dev, void  *data, int len, rtw_vendor_event_t event);
+#endif
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) || defined(RTW_VENDOR_EXT_SUPPORT) */
+
+#endif /* _RTW_CFGVENDOR_H_ */

os_dep/linux/rtw_proc.h

@@ -0,0 +1,60 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 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.
+ *
+ *****************************************************************************/
+#ifndef __RTW_PROC_H__
+#define __RTW_PROC_H__
+
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+#define RTW_PROC_HDL_TYPE_SEQ	0
+#define RTW_PROC_HDL_TYPE_SSEQ	1
+
+struct rtw_proc_hdl {
+	char *name;
+	u8 type;
+	union {
+		int (*show)(struct seq_file *, void *);
+		struct seq_operations *seq_op;
+	} u;
+	ssize_t (*write)(struct file *file, const char __user *buffer, size_t count, loff_t *pos, void *data);
+};
+
+#define RTW_PROC_HDL_SEQ(_name, _seq_op, _write) \
+	{ .name = _name, .type = RTW_PROC_HDL_TYPE_SEQ, .u.seq_op = _seq_op, .write = _write}
+
+#define RTW_PROC_HDL_SSEQ(_name, _show, _write) \
+	{ .name = _name, .type = RTW_PROC_HDL_TYPE_SSEQ, .u.show = _show, .write = _write}
+
+#ifdef CONFIG_PROC_DEBUG
+
+struct proc_dir_entry *get_rtw_drv_proc(void);
+int rtw_drv_proc_init(void);
+void rtw_drv_proc_deinit(void);
+struct proc_dir_entry *rtw_adapter_proc_init(struct net_device *dev);
+void rtw_adapter_proc_deinit(struct net_device *dev);
+void rtw_adapter_proc_replace(struct net_device *dev);
+
+#else /* !CONFIG_PROC_DEBUG */
+
+#define get_rtw_drv_proc() NULL
+#define rtw_drv_proc_init() 0
+#define rtw_drv_proc_deinit() do {} while (0)
+#define rtw_adapter_proc_init(dev) NULL
+#define rtw_adapter_proc_deinit(dev) do {} while (0)
+#define rtw_adapter_proc_replace(dev) do {} while (0)
+
+#endif /* !CONFIG_PROC_DEBUG */
+
+#endif /* __RTW_PROC_H__ */

os_dep/linux/rtw_rhashtable.c

@@ -0,0 +1,74 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 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.
+ *
+ *****************************************************************************/
+
+#ifdef CONFIG_RTW_MESH /* for now, only promised for kernel versions we support mesh */
+
+#include <drv_types.h>
+
+int rtw_rhashtable_walk_enter(rtw_rhashtable *ht, rtw_rhashtable_iter *iter)
+{
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0))
+	return rhashtable_walk_init((ht), (iter), GFP_ATOMIC);
+#else
+	/* kernel >= 4.4.0 rhashtable_walk_init use GFP_KERNEL to alloc, spin_lock for assignment */
+	iter->ht = ht;
+	iter->p = NULL;
+	iter->slot = 0;
+	iter->skip = 0;
+
+	iter->walker = kmalloc(sizeof(*iter->walker), GFP_ATOMIC);
+	if (!iter->walker)
+		return -ENOMEM;
+
+	spin_lock(&ht->lock);
+	iter->walker->tbl =
+		rcu_dereference_protected(ht->tbl, lockdep_is_held(&ht->lock));
+	list_add(&iter->walker->list, &iter->walker->tbl->walkers);
+	spin_unlock(&ht->lock);
+
+	return 0;
+#endif
+}
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 15, 0))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25))
+static inline int is_vmalloc_addr(const void *x)
+{
+#ifdef CONFIG_MMU
+	unsigned long addr = (unsigned long)x;
+
+	return addr >= VMALLOC_START && addr < VMALLOC_END;
+#else
+	return 0;
+#endif
+}
+#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)) */
+
+void kvfree(const void *addr)
+{
+	if (is_vmalloc_addr(addr))
+		vfree(addr);
+	else
+		kfree(addr);
+}
+#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3, 15, 0)) */
+
+#include "rhashtable.c"
+
+#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0)) */
+
+#endif /* CONFIG_RTW_MESH */
+

os_dep/linux/rtw_rhashtable.h

@@ -0,0 +1,55 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 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.
+ *
+ *****************************************************************************/
+#ifndef __RTW_RHASHTABLE_H__
+#define __RTW_RHASHTABLE_H__
+
+#ifdef CONFIG_RTW_MESH /* for now, only promised for kernel versions we support mesh */
+
+/* directly reference rhashtable in kernel */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
+#include <linux/rhashtable.h>
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0)) */
+
+/* Use rhashtable from kernel 4.4 */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0))
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0))
+#define NULLS_MARKER(value) (1UL | (((long)value) << 1))
+#endif
+#include "rhashtable.h"
+#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0)) */
+
+typedef struct rhashtable rtw_rhashtable;
+typedef struct rhash_head rtw_rhash_head;
+typedef struct rhashtable_params rtw_rhashtable_params;
+
+#define rtw_rhashtable_init(ht, params) rhashtable_init(ht, params)
+
+typedef struct rhashtable_iter rtw_rhashtable_iter;
+
+int rtw_rhashtable_walk_enter(rtw_rhashtable *ht, rtw_rhashtable_iter *iter);
+#define rtw_rhashtable_walk_exit(iter) rhashtable_walk_exit(iter)
+#define rtw_rhashtable_walk_start(iter) rhashtable_walk_start(iter)
+#define rtw_rhashtable_walk_next(iter) rhashtable_walk_next(iter)
+#define rtw_rhashtable_walk_stop(iter) rhashtable_walk_stop(iter)
+
+#define rtw_rhashtable_free_and_destroy(ht, free_fn, arg) rhashtable_free_and_destroy((ht), (free_fn), (arg))
+#define rtw_rhashtable_lookup_fast(ht, key, params) rhashtable_lookup_fast((ht), (key), (params))
+#define rtw_rhashtable_lookup_insert_fast(ht, obj, params) rhashtable_lookup_insert_fast((ht), (obj), (params))
+#define rtw_rhashtable_remove_fast(ht, obj, params) rhashtable_remove_fast((ht), (obj), (params))
+
+#endif /* CONFIG_RTW_MESH */
+
+#endif /* __RTW_RHASHTABLE_H__ */
+

os_dep/linux/wifi_regd.c

@@ -0,0 +1,425 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2010 - 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 <drv_types.h>
+
+#ifdef CONFIG_IOCTL_CFG80211
+
+#include <rtw_wifi_regd.h>
+
+static struct country_code_to_enum_rd allCountries[] = {
+	{COUNTRY_CODE_USER, "RD"},
+};
+
+/*
+ * REG_RULE(freq start, freq end, bandwidth, max gain, eirp, reg_flags)
+ */
+
+/*
+ *Only these channels all allow active
+ *scan on all world regulatory domains
+ */
+
+/* 2G chan 01 - chan 11 */
+#define RTW_2GHZ_CH01_11	\
+	REG_RULE(2412-10, 2462+10, 40, 0, 20, 0)
+
+/*
+ *We enable active scan on these a case
+ *by case basis by regulatory domain
+ */
+
+/* 2G chan 12 - chan 13, PASSIV SCAN */
+#define RTW_2GHZ_CH12_13	\
+	REG_RULE(2467-10, 2472+10, 40, 0, 20,	\
+		 NL80211_RRF_PASSIVE_SCAN)
+
+/* 2G chan 14, PASSIVS SCAN, NO OFDM (B only) */
+#define RTW_2GHZ_CH14	\
+	REG_RULE(2484-10, 2484+10, 40, 0, 20,	\
+		 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_OFDM)
+
+/* 5G chan 36 - chan 64 */
+#define RTW_5GHZ_5150_5350	\
+	REG_RULE(5150-10, 5350+10, 40, 0, 30,	\
+		 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+
+/* 5G chan 100 - chan 165 */
+#define RTW_5GHZ_5470_5850	\
+	REG_RULE(5470-10, 5850+10, 40, 0, 30, \
+		 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+
+/* 5G chan 149 - chan 165 */
+#define RTW_5GHZ_5725_5850	\
+	REG_RULE(5725-10, 5850+10, 40, 0, 30, \
+		 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+
+/* 5G chan 36 - chan 165 */
+#define RTW_5GHZ_5150_5850	\
+	REG_RULE(5150-10, 5850+10, 40, 0, 30,	\
+		 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+
+static const struct ieee80211_regdomain rtw_regdom_rd = {
+	.n_reg_rules = 3,
+	.alpha2 = "99",
+	.reg_rules = {
+		RTW_2GHZ_CH01_11,
+		RTW_2GHZ_CH12_13,
+		RTW_5GHZ_5150_5850,
+	}
+};
+
+static const struct ieee80211_regdomain rtw_regdom_11 = {
+	.n_reg_rules = 1,
+	.alpha2 = "99",
+	.reg_rules = {
+		RTW_2GHZ_CH01_11,
+	}
+};
+
+static const struct ieee80211_regdomain rtw_regdom_12_13 = {
+	.n_reg_rules = 2,
+	.alpha2 = "99",
+	.reg_rules = {
+		RTW_2GHZ_CH01_11,
+		RTW_2GHZ_CH12_13,
+	}
+};
+
+static const struct ieee80211_regdomain rtw_regdom_no_midband = {
+	.n_reg_rules = 3,
+	.alpha2 = "99",
+	.reg_rules = {
+		RTW_2GHZ_CH01_11,
+		RTW_5GHZ_5150_5350,
+		RTW_5GHZ_5725_5850,
+	}
+};
+
+static const struct ieee80211_regdomain rtw_regdom_60_64 = {
+	.n_reg_rules = 3,
+	.alpha2 = "99",
+	.reg_rules = {
+		RTW_2GHZ_CH01_11,
+		RTW_2GHZ_CH12_13,
+		RTW_5GHZ_5725_5850,
+	}
+};
+
+static const struct ieee80211_regdomain rtw_regdom_14_60_64 = {
+	.n_reg_rules = 4,
+	.alpha2 = "99",
+	.reg_rules = {
+		RTW_2GHZ_CH01_11,
+		RTW_2GHZ_CH12_13,
+		RTW_2GHZ_CH14,
+		RTW_5GHZ_5725_5850,
+	}
+};
+
+static const struct ieee80211_regdomain rtw_regdom_14 = {
+	.n_reg_rules = 3,
+	.alpha2 = "99",
+	.reg_rules = {
+		RTW_2GHZ_CH01_11,
+		RTW_2GHZ_CH12_13,
+		RTW_2GHZ_CH14,
+	}
+};
+
+#if 0
+static struct rtw_regulatory *rtw_regd;
+#endif
+
+#if 0 /* not_yet */
+static void _rtw_reg_apply_beaconing_flags(struct wiphy *wiphy,
+		enum nl80211_reg_initiator initiator)
+{
+	enum nl80211_band band;
+	struct ieee80211_supported_band *sband;
+	const struct ieee80211_reg_rule *reg_rule;
+	struct ieee80211_channel *ch;
+	unsigned int i;
+	u32 bandwidth = 0;
+	int r;
+
+	for (band = 0; band < NUM_NL80211_BANDS; band++) {
+
+		if (!wiphy->bands[band])
+			continue;
+
+		sband = wiphy->bands[band];
+
+		for (i = 0; i < sband->n_channels; i++) {
+			ch = &sband->channels[i];
+			if (rtw_is_dfs_ch(ch->hw_value) ||
+			    (ch->flags & IEEE80211_CHAN_RADAR))
+				continue;
+			if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
+				r = freq_reg_info(wiphy, ch->center_freq,
+						  bandwidth, &reg_rule);
+				if (r)
+					continue;
+
+				/*
+				 *If 11d had a rule for this channel ensure
+				 *we enable adhoc/beaconing if it allows us to
+				 *use it. Note that we would have disabled it
+				 *by applying our static world regdomain by
+				 *default during init, prior to calling our
+				 *regulatory_hint().
+				 */
+
+				if (!(reg_rule->flags & NL80211_RRF_NO_IBSS))
+					ch->flags &= ~IEEE80211_CHAN_NO_IBSS;
+				if (!
+				    (reg_rule->flags &
+				     NL80211_RRF_PASSIVE_SCAN))
+					ch->flags &=
+						~IEEE80211_CHAN_PASSIVE_SCAN;
+			} else {
+				if (ch->beacon_found)
+					ch->flags &= ~(IEEE80211_CHAN_NO_IBSS |
+						IEEE80211_CHAN_PASSIVE_SCAN);
+			}
+		}
+	}
+}
+
+/* Allows active scan scan on Ch 12 and 13 */
+static void _rtw_reg_apply_active_scan_flags(struct wiphy *wiphy,
+		enum nl80211_reg_initiator
+		initiator)
+{
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_channel *ch;
+	const struct ieee80211_reg_rule *reg_rule;
+	u32 bandwidth = 0;
+	int r;
+
+	if (!wiphy->bands[NL80211_BAND_2GHZ])
+		return;
+	sband = wiphy->bands[NL80211_BAND_2GHZ];
+
+	/*
+	 * If no country IE has been received always enable active scan
+	 * on these channels. This is only done for specific regulatory SKUs
+	 */
+	if (initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) {
+		ch = &sband->channels[11];	/* CH 12 */
+		if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+			ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+		ch = &sband->channels[12];	/* CH 13 */
+		if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+			ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+		return;
+	}
+
+	/*
+	 * If a country IE has been received check its rule for this
+	 * channel first before enabling active scan. The passive scan
+	 * would have been enforced by the initial processing of our
+	 * custom regulatory domain.
+	 */
+
+	ch = &sband->channels[11];	/* CH 12 */
+	r = freq_reg_info(wiphy, ch->center_freq, bandwidth, &reg_rule);
+	if (!r) {
+		if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
+			if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+				ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+	}
+
+	ch = &sband->channels[12];	/* CH 13 */
+	r = freq_reg_info(wiphy, ch->center_freq, bandwidth, &reg_rule);
+	if (!r) {
+		if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
+			if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+				ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+	}
+}
+#endif
+
+void rtw_regd_apply_flags(struct wiphy *wiphy)
+{
+	_adapter *padapter = wiphy_to_adapter(wiphy);
+	struct rf_ctl_t *rfctl = adapter_to_rfctl(padapter);
+	u8 channel_plan = rfctl->ChannelPlan;
+	RT_CHANNEL_INFO *channel_set = rfctl->channel_set;
+	u8 max_chan_nums = rfctl->max_chan_nums;
+
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_channel *ch;
+	unsigned int i, j;
+	u16 channel;
+	u32 freq;
+
+	/* all channels disable */
+	for (i = 0; i < NUM_NL80211_BANDS; i++) {
+		sband = wiphy->bands[i];
+
+		if (sband) {
+			for (j = 0; j < sband->n_channels; j++) {
+				ch = &sband->channels[j];
+
+				if (ch)
+					ch->flags = IEEE80211_CHAN_DISABLED;
+			}
+		}
+	}
+
+	/* channels apply by channel plans. */
+	for (i = 0; i < max_chan_nums; i++) {
+		channel = channel_set[i].ChannelNum;
+		freq = rtw_ch2freq(channel);
+
+		ch = ieee80211_get_channel(wiphy, freq);
+		if (!ch)
+			continue;
+
+		if (channel_set[i].ScanType == SCAN_PASSIVE
+			#if defined(CONFIG_DFS_MASTER)
+			&& rtw_odm_dfs_domain_unknown(padapter)
+			#endif
+		) {
+			#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
+			ch->flags = (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_PASSIVE_SCAN);
+			#else
+			ch->flags = IEEE80211_CHAN_NO_IR;
+			#endif
+		} else
+			ch->flags = 0;
+
+		#ifdef CONFIG_DFS
+		if (rtw_is_dfs_ch(ch->hw_value)
+			#if defined(CONFIG_DFS_MASTER)
+			&& rtw_odm_dfs_domain_unknown(padapter)
+			#endif
+		) {
+			ch->flags |= IEEE80211_CHAN_RADAR;
+			#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
+			ch->flags |= (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_PASSIVE_SCAN);
+			#else
+			ch->flags |= IEEE80211_CHAN_NO_IR;
+			#endif
+		}
+		#endif /* CONFIG_DFS */
+	}
+}
+
+static const struct ieee80211_regdomain *_rtw_regdomain_select(struct
+		rtw_regulatory
+		*reg)
+{
+#if 0
+	switch (reg->country_code) {
+	case COUNTRY_CODE_USER:
+	default:
+		return &rtw_regdom_rd;
+	}
+#else
+	return &rtw_regdom_rd;
+#endif
+}
+
+static void rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request)
+{
+	switch (request->initiator) {
+	case NL80211_REGDOM_SET_BY_DRIVER:
+		RTW_INFO("%s: %s\n", __func__, "NL80211_REGDOM_SET_BY_DRIVER");
+		break;
+	case NL80211_REGDOM_SET_BY_CORE:
+		RTW_INFO("%s: %s\n", __func__, "NL80211_REGDOM_SET_BY_CORE");
+		break;
+	case NL80211_REGDOM_SET_BY_USER:
+		RTW_INFO("%s: %s alpha2:%c%c\n", __func__, "NL80211_REGDOM_SET_BY_USER"
+			, request->alpha2[0], request->alpha2[1]);
+		rtw_set_country(wiphy_to_adapter(wiphy), request->alpha2);
+		break;
+	case NL80211_REGDOM_SET_BY_COUNTRY_IE:
+		RTW_INFO("%s: %s\n", __func__, "NL80211_REGDOM_SET_BY_COUNTRY_IE");
+		break;
+	}
+
+	rtw_regd_apply_flags(wiphy);
+}
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
+static int rtw_reg_notifier_return(struct wiphy *wiphy, struct regulatory_request *request)
+{
+	rtw_reg_notifier(wiphy, request);
+	return 0;
+}
+#endif
+
+static void _rtw_regd_init_wiphy(struct rtw_regulatory *reg, struct wiphy *wiphy)
+{
+	const struct ieee80211_regdomain *regd;
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
+	wiphy->reg_notifier = rtw_reg_notifier_return;
+#else
+	wiphy->reg_notifier = rtw_reg_notifier;
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
+	wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+	wiphy->flags &= ~WIPHY_FLAG_STRICT_REGULATORY;
+	wiphy->flags &= ~WIPHY_FLAG_DISABLE_BEACON_HINTS;
+#else
+	wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
+	wiphy->regulatory_flags &= ~REGULATORY_STRICT_REG;
+	wiphy->regulatory_flags &= ~REGULATORY_DISABLE_BEACON_HINTS;
+#endif
+
+	regd = _rtw_regdomain_select(reg);
+	wiphy_apply_custom_regulatory(wiphy, regd);
+
+	rtw_regd_apply_flags(wiphy);
+}
+
+static struct country_code_to_enum_rd *_rtw_regd_find_country(u16 countrycode)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
+		if (allCountries[i].countrycode == countrycode)
+			return &allCountries[i];
+	}
+	return NULL;
+}
+
+int rtw_regd_init(struct wiphy *wiphy)
+{
+#if 0
+	if (rtw_regd == NULL) {
+		rtw_regd = (struct rtw_regulatory *)
+			   rtw_malloc(sizeof(struct rtw_regulatory));
+
+		rtw_regd->alpha2[0] = '9';
+		rtw_regd->alpha2[1] = '9';
+
+		rtw_regd->country_code = COUNTRY_CODE_USER;
+	}
+
+	RTW_INFO("%s: Country alpha2 being used: %c%c\n",
+		 __func__, rtw_regd->alpha2[0], rtw_regd->alpha2[1]);
+#endif
+
+	_rtw_regd_init_wiphy(NULL, wiphy);
+
+	return 0;
+}
+#endif /* CONFIG_IOCTL_CFG80211 */

os_dep/linux/xmit_linux.c

@@ -0,0 +1,536 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 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.
+ *
+ *****************************************************************************/
+#define _XMIT_OSDEP_C_
+
+#include <drv_types.h>
+
+#define DBG_DUMP_OS_QUEUE_CTL 0
+
+uint rtw_remainder_len(struct pkt_file *pfile)
+{
+	return pfile->buf_len - ((SIZE_PTR)(pfile->cur_addr) - (SIZE_PTR)(pfile->buf_start));
+}
+
+void _rtw_open_pktfile(_pkt *pktptr, struct pkt_file *pfile)
+{
+
+	pfile->pkt = pktptr;
+	pfile->cur_addr = pfile->buf_start = pktptr->data;
+	pfile->pkt_len = pfile->buf_len = pktptr->len;
+
+	pfile->cur_buffer = pfile->buf_start ;
+
+}
+
+uint _rtw_pktfile_read(struct pkt_file *pfile, u8 *rmem, uint rlen)
+{
+	uint	len = 0;
+
+
+	len =  rtw_remainder_len(pfile);
+	len = (rlen > len) ? len : rlen;
+
+	if (rmem)
+		skb_copy_bits(pfile->pkt, pfile->buf_len - pfile->pkt_len, rmem, len);
+
+	pfile->cur_addr += len;
+	pfile->pkt_len -= len;
+
+
+	return len;
+}
+
+sint rtw_endofpktfile(struct pkt_file *pfile)
+{
+
+	if (pfile->pkt_len == 0) {
+		return _TRUE;
+	}
+
+
+	return _FALSE;
+}
+
+void rtw_set_tx_chksum_offload(_pkt *pkt, struct pkt_attrib *pattrib)
+{
+
+#ifdef CONFIG_TCP_CSUM_OFFLOAD_TX
+	struct sk_buff *skb = (struct sk_buff *)pkt;
+	pattrib->hw_tcp_csum = 0;
+
+	if (skb->ip_summed == CHECKSUM_PARTIAL) {
+		if (skb_shinfo(skb)->nr_frags == 0) {
+			const struct iphdr *ip = ip_hdr(skb);
+			if (ip->protocol == IPPROTO_TCP) {
+				/* TCP checksum offload by HW */
+				RTW_INFO("CHECKSUM_PARTIAL TCP\n");
+				pattrib->hw_tcp_csum = 1;
+				/* skb_checksum_help(skb); */
+			} else if (ip->protocol == IPPROTO_UDP) {
+				/* RTW_INFO("CHECKSUM_PARTIAL UDP\n"); */
+#if 1
+				skb_checksum_help(skb);
+#else
+				/* Set UDP checksum = 0 to skip checksum check */
+				struct udphdr *udp = skb_transport_header(skb);
+				udp->check = 0;
+#endif
+			} else {
+				RTW_INFO("%s-%d TCP CSUM offload Error!!\n", __FUNCTION__, __LINE__);
+				WARN_ON(1);     /* we need a WARN() */
+			}
+		} else { /* IP fragmentation case */
+			RTW_INFO("%s-%d nr_frags != 0, using skb_checksum_help(skb);!!\n", __FUNCTION__, __LINE__);
+			skb_checksum_help(skb);
+		}
+	}
+#endif
+
+}
+
+int rtw_os_xmit_resource_alloc(_adapter *padapter, struct xmit_buf *pxmitbuf, u32 alloc_sz, u8 flag)
+{
+	if (alloc_sz > 0) {
+#ifdef CONFIG_USE_USB_BUFFER_ALLOC_TX
+		struct dvobj_priv	*pdvobjpriv = adapter_to_dvobj(padapter);
+		struct usb_device	*pusbd = pdvobjpriv->pusbdev;
+
+		pxmitbuf->pallocated_buf = rtw_usb_buffer_alloc(pusbd, (size_t)alloc_sz, &pxmitbuf->dma_transfer_addr);
+		pxmitbuf->pbuf = pxmitbuf->pallocated_buf;
+		if (pxmitbuf->pallocated_buf == NULL)
+			return _FAIL;
+#else /* CONFIG_USE_USB_BUFFER_ALLOC_TX */
+
+		pxmitbuf->pallocated_buf = rtw_zmalloc(alloc_sz);
+		if (pxmitbuf->pallocated_buf == NULL)
+			return _FAIL;
+
+		pxmitbuf->pbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitbuf->pallocated_buf), XMITBUF_ALIGN_SZ);
+
+#endif /* CONFIG_USE_USB_BUFFER_ALLOC_TX */
+	}
+
+	if (flag) {
+#ifdef CONFIG_USB_HCI
+		int i;
+		for (i = 0; i < 8; i++) {
+			pxmitbuf->pxmit_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
+			if (pxmitbuf->pxmit_urb[i] == NULL) {
+				RTW_INFO("pxmitbuf->pxmit_urb[i]==NULL");
+				return _FAIL;
+			}
+		}
+#endif
+	}
+
+	return _SUCCESS;
+}
+
+void rtw_os_xmit_resource_free(_adapter *padapter, struct xmit_buf *pxmitbuf, u32 free_sz, u8 flag)
+{
+	if (flag) {
+#ifdef CONFIG_USB_HCI
+		int i;
+
+		for (i = 0; i < 8; i++) {
+			if (pxmitbuf->pxmit_urb[i]) {
+				/* usb_kill_urb(pxmitbuf->pxmit_urb[i]); */
+				usb_free_urb(pxmitbuf->pxmit_urb[i]);
+			}
+		}
+#endif
+	}
+
+	if (free_sz > 0) {
+#ifdef CONFIG_USE_USB_BUFFER_ALLOC_TX
+		struct dvobj_priv	*pdvobjpriv = adapter_to_dvobj(padapter);
+		struct usb_device	*pusbd = pdvobjpriv->pusbdev;
+
+		rtw_usb_buffer_free(pusbd, (size_t)free_sz, pxmitbuf->pallocated_buf, pxmitbuf->dma_transfer_addr);
+		pxmitbuf->pallocated_buf =  NULL;
+		pxmitbuf->dma_transfer_addr = 0;
+#else	/* CONFIG_USE_USB_BUFFER_ALLOC_TX */
+		if (pxmitbuf->pallocated_buf)
+			rtw_mfree(pxmitbuf->pallocated_buf, free_sz);
+#endif /* CONFIG_USE_USB_BUFFER_ALLOC_TX */
+	}
+}
+
+void dump_os_queue(void *sel, _adapter *padapter)
+{
+	struct net_device *ndev = padapter->pnetdev;
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
+	int i;
+
+	for (i = 0; i < 4; i++) {
+		RTW_PRINT_SEL(sel, "os_queue[%d]:%s\n"
+			, i, __netif_subqueue_stopped(ndev, i) ? "stopped" : "waked");
+	}
+#else
+	RTW_PRINT_SEL(sel, "os_queue:%s\n"
+		      , netif_queue_stopped(ndev) ? "stopped" : "waked");
+#endif
+}
+
+#define WMM_XMIT_THRESHOLD	(NR_XMITFRAME*2/5)
+
+static inline bool rtw_os_need_wake_queue(_adapter *padapter, u16 qidx)
+{
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+	if (padapter->registrypriv.wifi_spec) {
+		if (pxmitpriv->hwxmits[qidx].accnt < WMM_XMIT_THRESHOLD)
+			return _TRUE;
+#ifdef DBG_CONFIG_ERROR_DETECT
+#ifdef DBG_CONFIG_ERROR_RESET
+	} else if (rtw_hal_sreset_inprogress(padapter) == _TRUE) {
+		return _FALSE;
+#endif/* #ifdef DBG_CONFIG_ERROR_RESET */
+#endif/* #ifdef DBG_CONFIG_ERROR_DETECT */
+	} else {
+#ifdef CONFIG_MCC_MODE
+		if (MCC_EN(padapter)) {
+			if (rtw_hal_check_mcc_status(padapter, MCC_STATUS_DOING_MCC)
+			    && MCC_STOP(padapter))
+				return _FALSE;
+		}
+#endif /* CONFIG_MCC_MODE */
+		return _TRUE;
+	}
+	return _FALSE;
+#else
+#ifdef CONFIG_MCC_MODE
+	if (MCC_EN(padapter)) {
+		if (rtw_hal_check_mcc_status(padapter, MCC_STATUS_DOING_MCC)
+		    && MCC_STOP(padapter))
+			return _FALSE;
+	}
+#endif /* CONFIG_MCC_MODE */
+	return _TRUE;
+#endif
+}
+
+static inline bool rtw_os_need_stop_queue(_adapter *padapter, u16 qidx)
+{
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
+	if (padapter->registrypriv.wifi_spec) {
+		/* No free space for Tx, tx_worker is too slow */
+		if (pxmitpriv->hwxmits[qidx].accnt > WMM_XMIT_THRESHOLD)
+			return _TRUE;
+	} else {
+		if (pxmitpriv->free_xmitframe_cnt <= 4)
+			return _TRUE;
+	}
+#else
+	if (pxmitpriv->free_xmitframe_cnt <= 4)
+		return _TRUE;
+#endif
+	return _FALSE;
+}
+
+void rtw_os_pkt_complete(_adapter *padapter, _pkt *pkt)
+{
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
+	u16	qidx;
+
+	qidx = skb_get_queue_mapping(pkt);
+	if (rtw_os_need_wake_queue(padapter, qidx)) {
+		if (DBG_DUMP_OS_QUEUE_CTL)
+			RTW_INFO(FUNC_ADPT_FMT": netif_wake_subqueue[%d]\n", FUNC_ADPT_ARG(padapter), qidx);
+		netif_wake_subqueue(padapter->pnetdev, qidx);
+	}
+#else
+	if (rtw_os_need_wake_queue(padapter, 0)) {
+		if (DBG_DUMP_OS_QUEUE_CTL)
+			RTW_INFO(FUNC_ADPT_FMT": netif_wake_queue\n", FUNC_ADPT_ARG(padapter));
+		netif_wake_queue(padapter->pnetdev);
+	}
+#endif
+
+	rtw_skb_free(pkt);
+}
+
+void rtw_os_xmit_complete(_adapter *padapter, struct xmit_frame *pxframe)
+{
+	if (pxframe->pkt)
+		rtw_os_pkt_complete(padapter, pxframe->pkt);
+
+	pxframe->pkt = NULL;
+}
+
+void rtw_os_xmit_schedule(_adapter *padapter)
+{
+#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
+	_adapter *pri_adapter = GET_PRIMARY_ADAPTER(padapter);
+
+	if (!padapter)
+		return;
+
+	if (_rtw_queue_empty(&padapter->xmitpriv.pending_xmitbuf_queue) == _FALSE)
+		_rtw_up_sema(&pri_adapter->xmitpriv.xmit_sema);
+
+
+#else
+	_irqL  irqL;
+	struct xmit_priv *pxmitpriv;
+
+	if (!padapter)
+		return;
+
+	pxmitpriv = &padapter->xmitpriv;
+
+	_enter_critical_bh(&pxmitpriv->lock, &irqL);
+
+	if (rtw_txframes_pending(padapter))
+		tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
+
+	_exit_critical_bh(&pxmitpriv->lock, &irqL);
+	
+#if defined(CONFIG_PCI_HCI) && defined(CONFIG_XMIT_THREAD_MODE)
+	if (_rtw_queue_empty(&padapter->xmitpriv.pending_xmitbuf_queue) == _FALSE)
+		_rtw_up_sema(&padapter->xmitpriv.xmit_sema);
+#endif
+	
+
+#endif
+}
+
+static bool rtw_check_xmit_resource(_adapter *padapter, _pkt *pkt)
+{
+	bool busy = _FALSE;
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
+	u16	qidx;
+
+	qidx = skb_get_queue_mapping(pkt);
+	if (rtw_os_need_stop_queue(padapter, qidx)) {
+		if (DBG_DUMP_OS_QUEUE_CTL)
+			RTW_INFO(FUNC_ADPT_FMT": netif_stop_subqueue[%d]\n", FUNC_ADPT_ARG(padapter), qidx);
+		netif_stop_subqueue(padapter->pnetdev, qidx);
+		busy = _TRUE;
+	}
+#else
+	if (rtw_os_need_stop_queue(padapter, 0)) {
+		if (DBG_DUMP_OS_QUEUE_CTL)
+			RTW_INFO(FUNC_ADPT_FMT": netif_stop_queue\n", FUNC_ADPT_ARG(padapter));
+		rtw_netif_stop_queue(padapter->pnetdev);
+		busy = _TRUE;
+	}
+#endif
+	return busy;
+}
+
+void rtw_os_wake_queue_at_free_stainfo(_adapter *padapter, int *qcnt_freed)
+{
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
+	int i;
+
+	for (i = 0; i < 4; i++) {
+		if (qcnt_freed[i] == 0)
+			continue;
+
+		if (rtw_os_need_wake_queue(padapter, i)) {
+			if (DBG_DUMP_OS_QUEUE_CTL)
+				RTW_INFO(FUNC_ADPT_FMT": netif_wake_subqueue[%d]\n", FUNC_ADPT_ARG(padapter), i);
+			netif_wake_subqueue(padapter->pnetdev, i);
+		}
+	}
+#else
+	if (qcnt_freed[0] || qcnt_freed[1] || qcnt_freed[2] || qcnt_freed[3]) {
+		if (rtw_os_need_wake_queue(padapter, 0)) {
+			if (DBG_DUMP_OS_QUEUE_CTL)
+				RTW_INFO(FUNC_ADPT_FMT": netif_wake_queue\n", FUNC_ADPT_ARG(padapter));
+			netif_wake_queue(padapter->pnetdev);
+		}
+	}
+#endif
+}
+
+#ifdef CONFIG_TX_MCAST2UNI
+int rtw_mlcst2unicst(_adapter *padapter, struct sk_buff *skb)
+{
+	struct	sta_priv *pstapriv = &padapter->stapriv;
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+	_irqL	irqL;
+	_list	*phead, *plist;
+	struct sk_buff *newskb;
+	struct sta_info *psta = NULL;
+	u8 chk_alive_num = 0;
+	char chk_alive_list[NUM_STA];
+	u8 bc_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+	u8 null_addr[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+	int i;
+	s32	res;
+
+	DBG_COUNTER(padapter->tx_logs.os_tx_m2u);
+
+	_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
+	phead = &pstapriv->asoc_list;
+	plist = get_next(phead);
+
+	/* free sta asoc_queue */
+	while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
+		int stainfo_offset;
+		psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
+		plist = get_next(plist);
+
+		stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
+		if (stainfo_offset_valid(stainfo_offset))
+			chk_alive_list[chk_alive_num++] = stainfo_offset;
+	}
+	_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);
+
+	for (i = 0; i < chk_alive_num; i++) {
+		psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
+		if (!(psta->state & _FW_LINKED)) {
+			DBG_COUNTER(padapter->tx_logs.os_tx_m2u_ignore_fw_linked);
+			continue;
+		}
+
+		/* avoid come from STA1 and send back STA1 */
+		if (_rtw_memcmp(psta->cmn.mac_addr, &skb->data[6], 6) == _TRUE
+			|| _rtw_memcmp(psta->cmn.mac_addr, null_addr, 6) == _TRUE
+			|| _rtw_memcmp(psta->cmn.mac_addr, bc_addr, 6) == _TRUE
+		) {
+			DBG_COUNTER(padapter->tx_logs.os_tx_m2u_ignore_self);
+			continue;
+		}
+
+		DBG_COUNTER(padapter->tx_logs.os_tx_m2u_entry);
+
+		newskb = rtw_skb_copy(skb);
+
+		if (newskb) {
+			_rtw_memcpy(newskb->data, psta->cmn.mac_addr, 6);
+			res = rtw_xmit(padapter, &newskb);
+			if (res < 0) {
+				DBG_COUNTER(padapter->tx_logs.os_tx_m2u_entry_err_xmit);
+				RTW_INFO("%s()-%d: rtw_xmit() return error! res=%d\n", __FUNCTION__, __LINE__, res);
+				pxmitpriv->tx_drop++;
+				rtw_skb_free(newskb);
+			}
+		} else {
+			DBG_COUNTER(padapter->tx_logs.os_tx_m2u_entry_err_skb);
+			RTW_INFO("%s-%d: rtw_skb_copy() failed!\n", __FUNCTION__, __LINE__);
+			pxmitpriv->tx_drop++;
+			/* rtw_skb_free(skb); */
+			return _FALSE;	/* Caller shall tx this multicast frame via normal way. */
+		}
+	}
+
+	rtw_skb_free(skb);
+	return _TRUE;
+}
+#endif /* CONFIG_TX_MCAST2UNI */
+
+
+int _rtw_xmit_entry(_pkt *pkt, _nic_hdl pnetdev)
+{
+	_adapter *padapter = (_adapter *)rtw_netdev_priv(pnetdev);
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+#ifdef CONFIG_TX_MCAST2UNI
+	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
+	extern int rtw_mc2u_disable;
+#endif /* CONFIG_TX_MCAST2UNI	 */
+	s32 res = 0;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
+	u16 queue;
+#endif
+
+
+	if (padapter->registrypriv.mp_mode) {
+		RTW_INFO("MP_TX_DROP_OS_FRAME\n");
+		goto drop_packet;
+	}
+	DBG_COUNTER(padapter->tx_logs.os_tx);
+
+	if (rtw_if_up(padapter) == _FALSE) {
+		DBG_COUNTER(padapter->tx_logs.os_tx_err_up);
+		#ifdef DBG_TX_DROP_FRAME
+		RTW_INFO("DBG_TX_DROP_FRAME %s if_up fail\n", __FUNCTION__);
+		#endif
+		goto drop_packet;
+	}
+
+	rtw_check_xmit_resource(padapter, pkt);
+
+#ifdef CONFIG_TX_MCAST2UNI
+	if (!rtw_mc2u_disable
+		&& MLME_IS_AP(padapter)
+		&& (IP_MCAST_MAC(pkt->data)
+			|| ICMPV6_MCAST_MAC(pkt->data)
+			#ifdef CONFIG_TX_BCAST2UNI
+			|| is_broadcast_mac_addr(pkt->data)
+			#endif
+			)
+		&& (padapter->registrypriv.wifi_spec == 0)
+	) {
+		if (pxmitpriv->free_xmitframe_cnt > (NR_XMITFRAME / 4)) {
+			res = rtw_mlcst2unicst(padapter, pkt);
+			if (res == _TRUE)
+				goto exit;
+		} else {
+			/* RTW_INFO("Stop M2U(%d, %d)! ", pxmitpriv->free_xmitframe_cnt, pxmitpriv->free_xmitbuf_cnt); */
+			/* RTW_INFO("!m2u ); */
+			DBG_COUNTER(padapter->tx_logs.os_tx_m2u_stop);
+		}
+	}
+#endif /* CONFIG_TX_MCAST2UNI	 */
+
+	res = rtw_xmit(padapter, &pkt);
+	if (res < 0) {
+		#ifdef DBG_TX_DROP_FRAME
+		RTW_INFO("DBG_TX_DROP_FRAME %s rtw_xmit fail\n", __FUNCTION__);
+		#endif
+		goto drop_packet;
+	}
+
+	goto exit;
+
+drop_packet:
+	pxmitpriv->tx_drop++;
+	rtw_os_pkt_complete(padapter, pkt);
+
+exit:
+
+
+	return 0;
+}
+
+int rtw_xmit_entry(_pkt *pkt, _nic_hdl pnetdev)
+{
+	_adapter *padapter = (_adapter *)rtw_netdev_priv(pnetdev);
+	struct	mlme_priv	*pmlmepriv = &(padapter->mlmepriv);
+	int ret = 0;
+
+	if (pkt) {
+		if (check_fwstate(pmlmepriv, WIFI_MONITOR_STATE) == _TRUE) {
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24))
+			rtw_monitor_xmit_entry((struct sk_buff *)pkt, pnetdev);
+#endif
+		}
+		else {
+			rtw_mstat_update(MSTAT_TYPE_SKB, MSTAT_ALLOC_SUCCESS, pkt->truesize);
+			ret = _rtw_xmit_entry(pkt, pnetdev);
+		}
+
+	}
+
+	return ret;
+}