msm8996-common: Import IPACM back

 * QC package: LA.UM.6.5.r1-05300-8x96.0

 * Squashed with commits 08e2a5b9b, 055b183 and 8fcf57b

Change-Id: I2f7a792dc0155986e065d1bf79e1f08370c3d79c
Signed-off-by: Davide Garberi <dade.garberi@gmail.com>

1 files changed, 2228 insertions, 0 deletions

diff --git a/data-ipa-cfg-mgr/ipacm/src/IPACM_Wlan.cpp b/data-ipa-cfg-mgr/ipacm/src/IPACM_Wlan.cpp
new file mode 100644
index 0000000..c912a6e
--- /dev/null
+++ b/data-ipa-cfg-mgr/ipacm/src/IPACM_Wlan.cpp
@@ -0,0 +1,2228 @@
+/*
+Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+* Redistributions of source code must retain the above copyright
+	notice, this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above
+	copyright notice, this list of conditions and the following
+	disclaimer in the documentation and/or other materials provided
+	with the distribution.
+* Neither the name of The Linux Foundation nor the names of its
+	contributors may be used to endorse or promote products derived
+	from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/*!
+@file
+IPACM_Wlan.cpp
+
+@brief
+This file implements the WLAN iface functionality.
+
+@Author
+Skylar Chang
+
+*/
+
+#include <string.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <IPACM_Wlan.h>
+#include <IPACM_Netlink.h>
+#include <fcntl.h>
+#include <sys/inotify.h>
+#include <IPACM_Wan.h>
+#include <IPACM_Lan.h>
+#include <IPACM_IfaceManager.h>
+#include <IPACM_ConntrackListener.h>
+
+
+/* static member to store the number of total wifi clients within all APs*/
+int IPACM_Wlan::total_num_wifi_clients = 0;
+
+int IPACM_Wlan::num_wlan_ap_iface = 0;
+
+IPACM_Wlan::IPACM_Wlan(int iface_index) : IPACM_Lan(iface_index)
+{
+#define WLAN_AMPDU_DEFAULT_FILTER_RULES 3
+
+	wlan_ap_index = IPACM_Wlan::num_wlan_ap_iface;
+	if(wlan_ap_index < 0 || wlan_ap_index > 1)
+	{
+		IPACMERR("Wlan_ap_index is not correct: %d, not creating instance.\n", wlan_ap_index);
+		if (tx_prop != NULL)
+		{
+			free(tx_prop);
+		}
+		if (rx_prop != NULL)
+		{
+			free(rx_prop);
+		}
+		if (iface_query != NULL)
+		{
+			free(iface_query);
+		}
+		delete this;
+		return;
+	}
+
+	num_wifi_client = 0;
+	header_name_count = 0;
+	wlan_client = NULL;
+	wlan_client_len = 0;
+
+	if(iface_query != NULL)
+	{
+		wlan_client_len = (sizeof(ipa_wlan_client)) + (iface_query->num_tx_props * sizeof(wlan_client_rt_hdl));
+		wlan_client = (ipa_wlan_client *)calloc(IPA_MAX_NUM_WIFI_CLIENTS, wlan_client_len);
+		if (wlan_client == NULL)
+		{
+			IPACMERR("unable to allocate memory\n");
+			return;
+		}
+		IPACMDBG_H("index:%d constructor: Tx properties:%d\n", iface_index, iface_query->num_tx_props);
+	}
+	Nat_App = NatApp::GetInstance();
+	if (Nat_App == NULL)
+	{
+		IPACMERR("unable to get Nat App instance \n");
+		return;
+	}
+
+	IPACM_Wlan::num_wlan_ap_iface++;
+	IPACMDBG_H("Now the number of wlan AP iface is %d\n", IPACM_Wlan::num_wlan_ap_iface);
+
+	m_is_guest_ap = false;
+	if (IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].wlan_mode == INTERNET)
+	{
+		m_is_guest_ap = true;
+	}
+	IPACMDBG_H("%s: guest ap enable: %d \n",
+		IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].iface_name, m_is_guest_ap);
+
+#ifdef FEATURE_IPA_ANDROID
+	/* set the IPA-client pipe enum */
+	if(ipa_if_cate == WLAN_IF)
+	{
+#ifdef FEATURE_IPACM_HAL
+		handle_tethering_client(false, IPACM_CLIENT_MAX);
+#else
+		handle_tethering_client(false, IPACM_CLIENT_WLAN);
+#endif
+	}
+#endif
+	return;
+}
+
+
+IPACM_Wlan::~IPACM_Wlan()
+{
+	IPACM_EvtDispatcher::deregistr(this);
+	IPACM_IfaceManager::deregistr(this);
+	return;
+}
+
+void IPACM_Wlan::event_callback(ipa_cm_event_id event, void *param)
+{
+	if(is_active == false && event != IPA_LAN_DELETE_SELF)
+	{
+		IPACMDBG_H("The interface is no longer active, return.\n");
+		return;
+	}
+
+	int ipa_interface_index;
+	int wlan_index;
+	ipacm_ext_prop* ext_prop;
+	ipacm_event_iface_up_tehter* data_wan_tether;
+
+	switch (event)
+	{
+
+	case IPA_WLAN_LINK_DOWN_EVENT:
+		{
+			ipacm_event_data_fid *data = (ipacm_event_data_fid *)param;
+			ipa_interface_index = iface_ipa_index_query(data->if_index);
+			if (ipa_interface_index == ipa_if_num)
+			{
+				IPACMDBG_H("Received IPA_WLAN_LINK_DOWN_EVENT\n");
+				handle_down_evt();
+				/* reset the AP-iface category to unknown */
+				IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_cat = UNKNOWN_IF;
+				IPACM_Iface::ipacmcfg->DelNatIfaces(dev_name); // delete NAT-iface
+				IPACM_Wlan::total_num_wifi_clients = (IPACM_Wlan::total_num_wifi_clients) - \
+                                                                     (num_wifi_client);
+				return;
+			}
+		}
+		break;
+
+	case IPA_PRIVATE_SUBNET_CHANGE_EVENT:
+		{
+			ipacm_event_data_fid *data = (ipacm_event_data_fid *)param;
+			/* internel event: data->if_index is ipa_if_index */
+			if (data->if_index == ipa_if_num)
+			{
+				IPACMDBG_H("Received IPA_PRIVATE_SUBNET_CHANGE_EVENT from itself posting, ignore\n");
+				return;
+			}
+			else
+			{
+				IPACMDBG_H("Received IPA_PRIVATE_SUBNET_CHANGE_EVENT from other LAN iface \n");
+#ifdef FEATURE_IPA_ANDROID
+				handle_private_subnet_android(IPA_IP_v4);
+#endif
+				IPACMDBG_H(" delete old private subnet rules, use new sets \n");
+				return;
+			}
+		}
+		break;
+
+	case IPA_LAN_DELETE_SELF:
+	{
+		ipacm_event_data_fid *data = (ipacm_event_data_fid *)param;
+		if(data->if_index == ipa_if_num)
+		{
+			IPACM_Wlan::num_wlan_ap_iface--;
+			IPACMDBG_H("Now the number of wlan AP iface is %d\n", IPACM_Wlan::num_wlan_ap_iface);
+
+			IPACMDBG_H("Received IPA_LAN_DELETE_SELF event.\n");
+			IPACMDBG_H("ipa_WLAN (%s):ipa_index (%d) instance close \n", IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].iface_name, ipa_if_num);
+			delete this;
+		}
+		break;
+	}
+
+	case IPA_ADDR_ADD_EVENT:
+		{
+			ipacm_event_data_addr *data = (ipacm_event_data_addr *)param;
+			ipa_interface_index = iface_ipa_index_query(data->if_index);
+
+			if ( (data->iptype == IPA_IP_v4 && data->ipv4_addr == 0) ||
+					 (data->iptype == IPA_IP_v6 &&
+						data->ipv6_addr[0] == 0 && data->ipv6_addr[1] == 0 &&
+					  data->ipv6_addr[2] == 0 && data->ipv6_addr[3] == 0) )
+			{
+				IPACMDBG_H("Invalid address, ignore IPA_ADDR_ADD_EVENT event\n");
+				return;
+			}
+
+			if (ipa_interface_index == ipa_if_num)
+			{
+				/* check v4 not setup before, v6 can have 2 iface ip */
+				if( ((data->iptype != ip_type) && (ip_type != IPA_IP_MAX))
+				    || ((data->iptype==IPA_IP_v6) && (num_dft_rt_v6!=MAX_DEFAULT_v6_ROUTE_RULES)))
+				{
+					IPACMDBG_H("Got IPA_ADDR_ADD_EVENT ip-family:%d, v6 num %d: \n",data->iptype,num_dft_rt_v6);
+					/* Post event to NAT */
+					if (data->iptype == IPA_IP_v4)
+					{
+						ipacm_cmd_q_data evt_data;
+						ipacm_event_iface_up *info;
+
+						info = (ipacm_event_iface_up *)
+							 malloc(sizeof(ipacm_event_iface_up));
+						if (info == NULL)
+						{
+							IPACMERR("Unable to allocate memory\n");
+							return;
+						}
+
+						memcpy(info->ifname, dev_name, IF_NAME_LEN);
+						info->ipv4_addr = data->ipv4_addr;
+						info->addr_mask = IPACM_Iface::ipacmcfg->private_subnet_table[0].subnet_mask;
+
+						evt_data.event = IPA_HANDLE_WLAN_UP;
+						evt_data.evt_data = (void *)info;
+
+						/* Insert IPA_HANDLE_WLAN_UP to command queue */
+						IPACMDBG_H("posting IPA_HANDLE_WLAN_UP for IPv4 with below information\n");
+						IPACMDBG_H("IPv4 address:0x%x, IPv4 address mask:0x%x\n",
+										 info->ipv4_addr, info->addr_mask);
+						IPACM_EvtDispatcher::PostEvt(&evt_data);
+					}
+
+					if(handle_addr_evt(data) == IPACM_FAILURE)
+					{
+						return;
+					}
+
+#ifdef FEATURE_IPA_ANDROID
+					add_dummy_private_subnet_flt_rule(data->iptype);
+					handle_private_subnet_android(data->iptype);
+#else
+					handle_private_subnet(data->iptype);
+#endif
+
+#ifndef FEATURE_IPACM_HAL
+					if (IPACM_Wan::isWanUP(ipa_if_num))
+					{
+						if(data->iptype == IPA_IP_v4 || data->iptype == IPA_IP_MAX)
+						{
+							if(IPACM_Wan::backhaul_is_sta_mode == false)
+							{
+								ext_prop = IPACM_Iface::ipacmcfg->GetExtProp(IPA_IP_v4);
+								IPACM_Lan::handle_wan_up_ex(ext_prop, IPA_IP_v4,
+												IPACM_Wan::getXlat_Mux_Id());
+							}
+							else
+							{
+								IPACM_Lan::handle_wan_up(IPA_IP_v4);
+							}
+						}
+						IPACMDBG_H("Finished checking wan_up\n");
+					} else {
+						IPACMDBG_H("Wan_V4 haven't up yet \n");
+					}
+
+					if(IPACM_Wan::isWanUP_V6(ipa_if_num))
+					{
+						if((data->iptype == IPA_IP_v6 || data->iptype == IPA_IP_MAX) && num_dft_rt_v6 == 1)
+						{
+							memcpy(ipv6_prefix, IPACM_Wan::backhaul_ipv6_prefix, sizeof(ipv6_prefix));
+							install_ipv6_prefix_flt_rule(IPACM_Wan::backhaul_ipv6_prefix);
+
+							if(IPACM_Wan::backhaul_is_sta_mode == false)
+							{
+								ext_prop = IPACM_Iface::ipacmcfg->GetExtProp(IPA_IP_v6);
+								IPACM_Lan::handle_wan_up_ex(ext_prop, IPA_IP_v6, 0);
+							}
+							else
+							{
+								IPACM_Lan::handle_wan_up(IPA_IP_v6);
+							}
+						}
+						IPACMDBG_H("Finished checking wan_up_v6\n");
+					} else {
+						IPACMDBG_H("Wan_V6 haven't up yet \n");
+					}
+#endif
+					/* checking if SW-RT_enable */
+					if (IPACM_Iface::ipacmcfg->ipa_sw_rt_enable == true)
+					{
+						/* handle software routing enable event*/
+						IPACMDBG_H("IPA_SW_ROUTING_ENABLE for iface: %s \n",IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].iface_name);
+						handle_software_routing_enable();
+					}
+				}
+			}
+		}
+		break;
+#ifdef FEATURE_IPA_ANDROID
+	case IPA_HANDLE_WAN_UP_TETHER:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_UP_TETHER event\n");
+
+		data_wan_tether = (ipacm_event_iface_up_tehter*)param;
+		if(data_wan_tether == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		IPACMDBG_H("Backhaul is sta mode?%d, if_index_tether:%d tether_if_name:%s\n", data_wan_tether->is_sta,
+					data_wan_tether->if_index_tether,
+					IPACM_Iface::ipacmcfg->iface_table[data_wan_tether->if_index_tether].iface_name);
+#ifndef FEATURE_IPACM_HAL
+		if (data_wan_tether->if_index_tether != ipa_if_num)
+		{
+			IPACMERR("IPA_HANDLE_WAN_UP_TETHER tether_if(%d), not valid (%d) ignore\n", data_wan_tether->if_index_tether, ipa_if_num);
+			return;
+		}
+#endif
+		if(ip_type == IPA_IP_v4 || ip_type == IPA_IP_MAX)
+		{
+#ifdef FEATURE_IPACM_HAL
+			if(is_upstream_set[IPA_IP_v4] == false)
+			{
+				IPACMDBG_H("Add upstream for IPv4.\n");
+				is_upstream_set[IPA_IP_v4] = true;
+				if(is_downstream_set[IPA_IP_v4] == true)
+				{
+					IPACMDBG_H("Downstream was set before, adding UL rules.\n");
+					if(data_wan_tether->is_sta == false)
+					{
+						ext_prop = IPACM_Iface::ipacmcfg->GetExtProp(IPA_IP_v4);
+						handle_wan_up_ex(ext_prop, IPA_IP_v4, 0);
+					} else {
+						handle_wan_up(IPA_IP_v4);
+					}
+				}
+			}
+#else
+			if(data_wan_tether->is_sta == false)
+			{
+				ext_prop = IPACM_Iface::ipacmcfg->GetExtProp(IPA_IP_v4);
+				handle_wan_up_ex(ext_prop, IPA_IP_v4, 0);
+			} else {
+				handle_wan_up(IPA_IP_v4);
+			}
+#endif
+		}
+		break;
+
+	case IPA_HANDLE_WAN_UP_V6_TETHER:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_UP_V6_TETHER event\n");
+
+		data_wan_tether = (ipacm_event_iface_up_tehter*)param;
+		if(data_wan_tether == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		IPACMDBG_H("Backhaul is sta mode?%d, if_index_tether:%d tether_if_name:%s\n", data_wan_tether->is_sta,
+					data_wan_tether->if_index_tether,
+					IPACM_Iface::ipacmcfg->iface_table[data_wan_tether->if_index_tether].iface_name);
+#ifndef FEATURE_IPACM_HAL
+		if (data_wan_tether->if_index_tether != ipa_if_num)
+		{
+			IPACMERR("IPA_HANDLE_WAN_UP_V6_TETHER tether_if(%d), not valid (%d) ignore\n", data_wan_tether->if_index_tether, ipa_if_num);
+			return;
+		}
+#endif
+		if(ip_type == IPA_IP_v6 || ip_type == IPA_IP_MAX)
+		{
+#ifdef FEATURE_IPACM_HAL
+			if(is_upstream_set[IPA_IP_v6] == false)
+			{
+				IPACMDBG_H("Add upstream for IPv6.\n");
+				is_upstream_set[IPA_IP_v6] = true;
+
+				if(is_downstream_set[IPA_IP_v6] == true)
+				{
+					IPACMDBG_H("Downstream was set before, adding UL rules.\n");
+					memcpy(ipv6_prefix, data_wan_tether->ipv6_prefix, sizeof(ipv6_prefix));
+					install_ipv6_prefix_flt_rule(data_wan_tether->ipv6_prefix);
+					if(data_wan_tether->is_sta == false)
+					{
+						ext_prop = IPACM_Iface::ipacmcfg->GetExtProp(IPA_IP_v6);
+						handle_wan_up_ex(ext_prop, IPA_IP_v6, 0);
+					}
+					else
+					{
+						handle_wan_up(IPA_IP_v6);
+					}
+				}
+			}
+#else
+			if(data_wan_tether->is_sta == false)
+			{
+				ext_prop = IPACM_Iface::ipacmcfg->GetExtProp(IPA_IP_v6);
+				handle_wan_up_ex(ext_prop, IPA_IP_v6, 0);
+			}
+			else
+			{
+				handle_wan_up(IPA_IP_v6);
+			}
+#endif
+		}
+		break;
+
+	case IPA_HANDLE_WAN_DOWN_TETHER:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_DOWN_TETHER event\n");
+		data_wan_tether = (ipacm_event_iface_up_tehter*)param;
+		if(data_wan_tether == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		if(rx_prop == NULL)
+		{
+			IPACMERR("No rx prop.\n");
+			return;
+		}
+		IPACMDBG_H("Backhaul is sta mode?%d, if_index_tether:%d tether_if_name:%s\n", data_wan_tether->is_sta,
+					data_wan_tether->if_index_tether,
+					IPACM_Iface::ipacmcfg->iface_table[data_wan_tether->if_index_tether].iface_name);
+#ifndef FEATURE_IPACM_HAL
+		if (data_wan_tether->if_index_tether != ipa_if_num)
+		{
+			IPACMERR("IPA_HANDLE_WAN_DOWN_TETHER tether_if(%d), not valid (%d) ignore\n", data_wan_tether->if_index_tether, ipa_if_num);
+			return;
+		}
+#endif
+		if(ip_type == IPA_IP_v4 || ip_type == IPA_IP_MAX)
+		{
+#ifdef FEATURE_IPACM_HAL
+			if(is_upstream_set[IPA_IP_v4] == true)
+			{
+				IPACMDBG_H("Del upstream for IPv4.\n");
+				is_upstream_set[IPA_IP_v4] = false;
+				if(is_downstream_set[IPA_IP_v4] == true)
+				{
+					IPACMDBG_H("Downstream was set before, deleting UL rules.\n");
+					handle_wan_down(data_wan_tether->is_sta);
+				}
+			}
+#else
+			handle_wan_down(data_wan_tether->is_sta);
+#endif
+		}
+		break;
+
+	case IPA_HANDLE_WAN_DOWN_V6_TETHER:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_DOWN_V6_TETHER event\n");
+		data_wan_tether = (ipacm_event_iface_up_tehter*)param;
+		if(data_wan_tether == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		if(rx_prop == NULL)
+		{
+			IPACMERR("No rx prop.\n");
+			return;
+		}
+		IPACMDBG_H("Backhaul is sta mode?%d, if_index_tether:%d tether_if_name:%s\n", data_wan_tether->is_sta,
+					data_wan_tether->if_index_tether,
+					IPACM_Iface::ipacmcfg->iface_table[data_wan_tether->if_index_tether].iface_name);
+#ifndef FEATURE_IPACM_HAL
+		if (data_wan_tether->if_index_tether != ipa_if_num)
+		{
+			IPACMERR("IPA_HANDLE_WAN_DOWN_V6_TETHER tether_if(%d), not valid (%d) ignore\n", data_wan_tether->if_index_tether, ipa_if_num);
+			return;
+		}
+#endif
+		if(ip_type == IPA_IP_v6 || ip_type == IPA_IP_MAX)
+		{
+#ifdef FEATURE_IPACM_HAL
+			if(is_upstream_set[IPA_IP_v6] == true)
+			{
+				IPACMDBG_H("Del upstream for IPv6.\n");
+				is_upstream_set[IPA_IP_v6] = false;
+				if(is_downstream_set[IPA_IP_v6] == true)
+				{
+					IPACMDBG_H("Downstream was set before, deleting UL rules.\n");
+					/* reset usb-client ipv6 rt-rules */
+					handle_wlan_client_reset_rt(IPA_IP_v6);
+					handle_wan_down_v6(data_wan_tether->is_sta);
+				}
+			}
+#else
+			/* reset usb-client ipv6 rt-rules */
+			handle_wlan_client_reset_rt(IPA_IP_v6);
+			handle_wan_down_v6(data_wan_tether->is_sta);
+#endif
+		}
+		break;
+
+	case IPA_DOWNSTREAM_ADD:
+	{
+		ipacm_event_ipahal_stream *data = (ipacm_event_ipahal_stream *)param;
+		ipa_interface_index = iface_ipa_index_query(data->if_index);
+		if(ipa_interface_index == ipa_if_num)
+		{
+			IPACMDBG_H("Received IPA_DOWNSTREAM_ADD event.\n");
+			if(is_downstream_set[data->prefix.iptype] == false)
+			{
+				IPACMDBG_H("Add downstream for IP iptype %d.\n", data->prefix.iptype);
+				is_downstream_set[data->prefix.iptype] = true;
+				memcpy(&prefix[data->prefix.iptype], &data->prefix,
+					sizeof(prefix[data->prefix.iptype]));
+
+				if(is_upstream_set[data->prefix.iptype] == true)
+				{
+					IPACMDBG_H("Upstream was set before, adding modem UL rules.\n");
+					if(ip_type == IPA_IP_MAX || ip_type == data->prefix.iptype)
+					{
+						if (data->prefix.iptype == IPA_IP_v6) /* ipv6 only */
+						{
+							/* Only offload clients has same prefix as Android gave */
+							ipv6_prefix[0] = data->prefix.v6Addr[0];
+							ipv6_prefix[1] = data->prefix.v6Addr[1];
+							IPACMDBG_H("ipv6_prefix0x%x:%x\n", ipv6_prefix[0], ipv6_prefix[1]);
+							install_ipv6_prefix_flt_rule(ipv6_prefix);
+						}
+
+						if (IPACM_Wan::backhaul_is_sta_mode == false) /* LTE */
+						{
+							ext_prop = IPACM_Iface::ipacmcfg->GetExtProp(data->prefix.iptype);
+							handle_wan_up_ex(ext_prop, data->prefix.iptype, 0);
+						} else {
+							handle_wan_up(data->prefix.iptype); /* STA */
+						}
+					}
+				}
+			}
+		}
+		break;
+	}
+
+	case IPA_DOWNSTREAM_DEL:
+	{
+		ipacm_event_ipahal_stream *data = (ipacm_event_ipahal_stream *)param;
+		ipa_interface_index = iface_ipa_index_query(data->if_index);
+		if(ipa_interface_index == ipa_if_num)
+		{
+			IPACMDBG_H("Received IPA_DOWNSTREAM_DEL event.\n");
+			if(is_downstream_set[data->prefix.iptype] == true)
+			{
+				IPACMDBG_H("Del downstream for IP iptype %d.\n", data->prefix.iptype);
+				is_downstream_set[data->prefix.iptype] = false;
+
+				if(is_upstream_set[data->prefix.iptype] == true)
+				{
+					IPACMDBG_H("Upstream was set before, deleting UL rules.\n");
+					if (data->prefix.iptype == IPA_IP_v4)
+					{
+						handle_wan_down(IPACM_Wan::backhaul_is_sta_mode); /* LTE STA */
+					} else {
+						handle_wlan_client_reset_rt(IPA_IP_v6);
+						handle_wan_down_v6(IPACM_Wan::backhaul_is_sta_mode); /* LTE STA */
+					}
+				}
+			}
+		}
+		break;
+	}
+#else
+	case IPA_HANDLE_WAN_UP:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_UP event\n");
+
+		ipacm_event_iface_up* data_wan = (ipacm_event_iface_up*)param;
+		if(data_wan == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		IPACMDBG_H("Backhaul is sta mode?%d\n", data_wan->is_sta);
+		if(ip_type == IPA_IP_v4 || ip_type == IPA_IP_MAX)
+		{
+			if(data_wan->is_sta == false)
+			{
+				ext_prop = IPACM_Iface::ipacmcfg->GetExtProp(IPA_IP_v4);
+				IPACM_Lan::handle_wan_up_ex(ext_prop, IPA_IP_v4, data_wan->xlat_mux_id);
+			}
+			else
+			{
+				IPACM_Lan::handle_wan_up(IPA_IP_v4);
+			}
+		}
+		break;
+
+	case IPA_HANDLE_WAN_UP_V6:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_UP_V6 event\n");
+
+		data_wan = (ipacm_event_iface_up*)param;
+		if(data_wan == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		IPACMDBG_H("Backhaul is sta mode?%d\n", data_wan->is_sta);
+		if(ip_type == IPA_IP_v6 || ip_type == IPA_IP_MAX)
+		{
+			memcpy(ipv6_prefix, data_wan->ipv6_prefix, sizeof(ipv6_prefix));
+			install_ipv6_prefix_flt_rule(data_wan->ipv6_prefix);
+
+			if(data_wan->is_sta == false)
+			{
+				ext_prop = IPACM_Iface::ipacmcfg->GetExtProp(IPA_IP_v6);
+				IPACM_Lan::handle_wan_up_ex(ext_prop, IPA_IP_v6, 0);
+			}
+			else
+			{
+				IPACM_Lan::handle_wan_up(IPA_IP_v6);
+			}
+		}
+		break;
+
+	case IPA_HANDLE_WAN_DOWN:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_DOWN event\n");
+		data_wan = (ipacm_event_iface_up*)param;
+		if(data_wan == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		IPACMDBG_H("Backhaul is sta mode?%d\n", data_wan->is_sta);
+		if (rx_prop != NULL)
+		{
+			if(ip_type == IPA_IP_v4 || ip_type == IPA_IP_MAX)
+			{
+				handle_wan_down(data_wan->is_sta);
+			}
+		}
+		break;
+
+	case IPA_HANDLE_WAN_DOWN_V6:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_DOWN_V6 event\n");
+		data_wan = (ipacm_event_iface_up*)param;
+		if(data_wan == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		/* clean up v6 RT rules*/
+		IPACMDBG_H("Received IPA_WAN_V6_DOWN in WLAN-instance and need clean up client IPv6 address \n");
+		/* reset wifi-client ipv6 rt-rules */
+		handle_wlan_client_reset_rt(IPA_IP_v6);
+		IPACMDBG_H("Backhaul is sta mode ? %d\n", data_wan->is_sta);
+		if (rx_prop != NULL)
+		{
+			if(ip_type == IPA_IP_v6 || ip_type == IPA_IP_MAX)
+			{
+				handle_wan_down_v6(data_wan->is_sta);
+			}
+		}
+		break;
+#endif
+
+	case IPA_WLAN_CLIENT_ADD_EVENT_EX:
+		{
+			ipacm_event_data_wlan_ex *data = (ipacm_event_data_wlan_ex *)param;
+			ipa_interface_index = iface_ipa_index_query(data->if_index);
+			if (ipa_interface_index == ipa_if_num)
+			{
+				int i;
+				for(i=0; i<data->num_of_attribs; i++)
+				{
+					if(data->attribs[i].attrib_type == WLAN_HDR_ATTRIB_MAC_ADDR)
+					{
+						eth_bridge_post_event(IPA_ETH_BRIDGE_CLIENT_ADD, IPA_IP_MAX, data->attribs[i].u.mac_addr, NULL, NULL);
+						break;
+					}
+				}
+				IPACMDBG_H("Received IPA_WLAN_CLIENT_ADD_EVENT\n");
+				handle_wlan_client_init_ex(data);
+			}
+		}
+		break;
+
+	case IPA_WLAN_CLIENT_DEL_EVENT:
+		{
+			ipacm_event_data_mac *data = (ipacm_event_data_mac *)param;
+			ipa_interface_index = iface_ipa_index_query(data->if_index);
+			if (ipa_interface_index == ipa_if_num)
+			{
+				IPACMDBG_H("Received IPA_WLAN_CLIENT_DEL_EVENT\n");
+				eth_bridge_post_event(IPA_ETH_BRIDGE_CLIENT_DEL, IPA_IP_MAX, data->mac_addr, NULL, NULL);
+				handle_wlan_client_down_evt(data->mac_addr);
+			}
+		}
+		break;
+
+	case IPA_WLAN_CLIENT_POWER_SAVE_EVENT:
+		{
+			ipacm_event_data_mac *data = (ipacm_event_data_mac *)param;
+			ipa_interface_index = iface_ipa_index_query(data->if_index);
+			if (ipa_interface_index == ipa_if_num)
+			{
+				IPACMDBG_H("Received IPA_WLAN_CLIENT_POWER_SAVE_EVENT\n");
+				handle_wlan_client_pwrsave(data->mac_addr);
+			}
+		}
+		break;
+
+	case IPA_WLAN_CLIENT_RECOVER_EVENT:
+		{
+			ipacm_event_data_mac *data = (ipacm_event_data_mac *)param;
+			ipa_interface_index = iface_ipa_index_query(data->if_index);
+			if (ipa_interface_index == ipa_if_num)
+			{
+				IPACMDBG_H("Received IPA_WLAN_CLIENT_RECOVER_EVENT\n");
+
+				wlan_index = get_wlan_client_index(data->mac_addr);
+				if ((wlan_index != IPACM_INVALID_INDEX) &&
+						(get_client_memptr(wlan_client, wlan_index)->power_save_set == true))
+				{
+
+					IPACMDBG_H("change wlan client out of  power safe mode \n");
+					get_client_memptr(wlan_client, wlan_index)->power_save_set = false;
+
+					/* First add route rules and then nat rules */
+					if(get_client_memptr(wlan_client, wlan_index)->ipv4_set == true) /* for ipv4 */
+					{
+						     IPACMDBG_H("recover client index(%d):ipv4 address: 0x%x\n",
+										 wlan_index,
+										 get_client_memptr(wlan_client, wlan_index)->v4_addr);
+
+						IPACMDBG_H("Adding Route Rules\n");
+						handle_wlan_client_route_rule(data->mac_addr, IPA_IP_v4);
+						IPACMDBG_H("Adding Nat Rules\n");
+						Nat_App->ResetPwrSaveIf(get_client_memptr(wlan_client, wlan_index)->v4_addr);
+					}
+
+					if(get_client_memptr(wlan_client, wlan_index)->ipv6_set != 0) /* for ipv6 */
+					{
+						handle_wlan_client_route_rule(data->mac_addr, IPA_IP_v6);
+					}
+				}
+			}
+		}
+		break;
+
+	case IPA_NEIGH_CLIENT_IP_ADDR_ADD_EVENT:
+		{
+			ipacm_event_data_all *data = (ipacm_event_data_all *)param;
+			ipa_interface_index = iface_ipa_index_query(data->if_index);
+			if (ipa_interface_index == ipa_if_num)
+			{
+				IPACMDBG_H("Received IPA_NEIGH_CLIENT_IP_ADDR_ADD_EVENT\n");
+				if (handle_wlan_client_ipaddr(data) == IPACM_FAILURE)
+				{
+					return;
+				}
+
+				handle_wlan_client_route_rule(data->mac_addr, data->iptype);
+				if (data->iptype == IPA_IP_v4)
+				{
+					/* Add NAT rules after ipv4 RT rules are set */
+					CtList->HandleNeighIpAddrAddEvt(data);
+					//Nat_App->ResetPwrSaveIf(data->ipv4_addr);
+				}
+			}
+		}
+		break;
+
+		/* handle software routing enable event, iface will update softwarerouting_act to true*/
+	case IPA_SW_ROUTING_ENABLE:
+		IPACMDBG_H("Received IPA_SW_ROUTING_ENABLE\n");
+		IPACM_Iface::handle_software_routing_enable();
+		break;
+
+		/* handle software routing disable event, iface will update softwarerouting_act to false*/
+	case IPA_SW_ROUTING_DISABLE:
+		IPACMDBG_H("Received IPA_SW_ROUTING_DISABLE\n");
+		IPACM_Iface::handle_software_routing_disable();
+		break;
+
+	case IPA_WLAN_SWITCH_TO_SCC:
+		IPACMDBG_H("Received IPA_WLAN_SWITCH_TO_SCC\n");
+		if(ip_type == IPA_IP_MAX)
+		{
+			handle_SCC_MCC_switch(IPA_IP_v4);
+			handle_SCC_MCC_switch(IPA_IP_v6);
+		}
+		else
+		{
+			handle_SCC_MCC_switch(ip_type);
+		}
+		eth_bridge_post_event(IPA_ETH_BRIDGE_WLAN_SCC_MCC_SWITCH, IPA_IP_MAX, NULL, NULL, NULL);
+		break;
+
+	case IPA_WLAN_SWITCH_TO_MCC:
+		IPACMDBG_H("Received IPA_WLAN_SWITCH_TO_MCC\n");
+		if(ip_type == IPA_IP_MAX)
+		{
+			handle_SCC_MCC_switch(IPA_IP_v4);
+			handle_SCC_MCC_switch(IPA_IP_v6);
+		}
+		else
+		{
+			handle_SCC_MCC_switch(ip_type);
+		}
+		eth_bridge_post_event(IPA_ETH_BRIDGE_WLAN_SCC_MCC_SWITCH, IPA_IP_MAX, NULL, NULL, NULL);
+		break;
+
+	case IPA_CRADLE_WAN_MODE_SWITCH:
+	{
+		IPACMDBG_H("Received IPA_CRADLE_WAN_MODE_SWITCH event.\n");
+		ipacm_event_cradle_wan_mode* wan_mode = (ipacm_event_cradle_wan_mode*)param;
+		if(wan_mode == NULL)
+		{
+			IPACMERR("Event data is empty.\n");
+			return;
+		}
+
+		if(wan_mode->cradle_wan_mode == BRIDGE)
+		{
+			handle_cradle_wan_mode_switch(true);
+		}
+		else
+		{
+			handle_cradle_wan_mode_switch(false);
+		}
+	}
+	break;
+	case IPA_CFG_CHANGE_EVENT:
+	{
+		IPACMDBG_H("Received IPA_CFG_CHANGE_EVENT event for %s with new wlan-mode: %s old wlan-mode: %s\n",
+				IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].iface_name,
+				(IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].wlan_mode == 0) ? "full" : "internet",
+				(m_is_guest_ap == true) ? "internet" : "full");
+		/* Add Natting iface to IPACM_Config if there is  Rx/Tx property */
+		if (rx_prop != NULL || tx_prop != NULL)
+		{
+			IPACMDBG_H(" Has rx/tx properties registered for iface %s, add for NATTING \n", dev_name);
+			IPACM_Iface::ipacmcfg->AddNatIfaces(dev_name);
+		}
+
+		if (m_is_guest_ap == true && (IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].wlan_mode == FULL))
+		{
+			m_is_guest_ap = false;
+			IPACMDBG_H("wlan mode is switched to full access mode. \n");
+			eth_bridge_handle_wlan_mode_switch();
+		}
+		else if (m_is_guest_ap == false && (IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].wlan_mode == INTERNET))
+		{
+			m_is_guest_ap = true;
+			IPACMDBG_H("wlan mode is switched to internet only access mode. \n");
+			eth_bridge_handle_wlan_mode_switch();
+		}
+		else
+		{
+			IPACMDBG_H("No change in %s access mode. \n",
+					IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].iface_name);
+		}
+	}
+	break;
+	case IPA_TETHERING_STATS_UPDATE_EVENT:
+	{
+		IPACMDBG_H("Received IPA_TETHERING_STATS_UPDATE_EVENT event.\n");
+		if (IPACM_Wan::isWanUP(ipa_if_num) || IPACM_Wan::isWanUP_V6(ipa_if_num))
+		{
+			if(IPACM_Wan::backhaul_is_sta_mode == false) /* LTE */
+			{
+				ipa_get_data_stats_resp_msg_v01 *data = (ipa_get_data_stats_resp_msg_v01 *)param;
+				if (data->ipa_stats_type != QMI_IPA_STATS_TYPE_PIPE_V01)
+				{
+					IPACMERR("not valid pipe stats\n");
+					return;
+				}
+				handle_tethering_stats_event(data);
+			};
+		}
+	}
+	break;
+#ifdef FEATURE_IPACM_HAL
+	/* WA for WLAN to clean up NAT instance during SSR */
+	case IPA_SSR_NOTICE:
+	{
+		IPACMDBG_H("Received IPA_SSR_NOTICE event.\n");
+		IPACM_Iface::ipacmcfg->DelNatIfaces(dev_name); // delete NAT-iface
+	}
+	break;
+#endif
+	default:
+		break;
+	}
+	return;
+}
+
+/* handle wifi client initial,copy all partial headers (tx property) */
+int IPACM_Wlan::handle_wlan_client_init_ex(ipacm_event_data_wlan_ex *data)
+{
+
+#define WLAN_IFACE_INDEX_LEN 2
+
+	int res = IPACM_SUCCESS, len = 0, i, evt_size;
+	char index[WLAN_IFACE_INDEX_LEN];
+	struct ipa_ioc_copy_hdr sCopyHeader;
+	struct ipa_ioc_add_hdr *pHeaderDescriptor = NULL;
+        uint32_t cnt;
+
+	/* start of adding header */
+	IPACMDBG_H("Wifi client number for this iface: %d & total number of wlan clients: %d\n",
+                 num_wifi_client,IPACM_Wlan::total_num_wifi_clients);
+
+	if ((num_wifi_client >= IPA_MAX_NUM_WIFI_CLIENTS) ||
+			(IPACM_Wlan::total_num_wifi_clients >= IPA_MAX_NUM_WIFI_CLIENTS))
+	{
+		IPACMERR("Reached maximum number of wlan clients\n");
+		return IPACM_FAILURE;
+	}
+
+	IPACMDBG_H("Wifi client number: %d\n", num_wifi_client);
+
+	/* add header to IPA */
+	if(tx_prop != NULL)
+	{
+		len = sizeof(struct ipa_ioc_add_hdr) + (1 * sizeof(struct ipa_hdr_add));
+		pHeaderDescriptor = (struct ipa_ioc_add_hdr *)calloc(1, len);
+		if (pHeaderDescriptor == NULL)
+		{
+			IPACMERR("calloc failed to allocate pHeaderDescriptor\n");
+			return IPACM_FAILURE;
+		}
+
+		evt_size = sizeof(ipacm_event_data_wlan_ex) + data->num_of_attribs * sizeof(struct ipa_wlan_hdr_attrib_val);
+		get_client_memptr(wlan_client, num_wifi_client)->p_hdr_info = (ipacm_event_data_wlan_ex*)malloc(evt_size);
+		memcpy(get_client_memptr(wlan_client, num_wifi_client)->p_hdr_info, data, evt_size);
+
+		/* copy partial header for v4*/
+		for (cnt=0; cnt<tx_prop->num_tx_props; cnt++)
+		{
+			if(tx_prop->tx[cnt].ip==IPA_IP_v4)
+			{
+				IPACMDBG_H("Got partial v4-header name from %d tx props\n", cnt);
+				memset(&sCopyHeader, 0, sizeof(sCopyHeader));
+				memcpy(sCopyHeader.name,
+							 tx_prop->tx[cnt].hdr_name,
+							 sizeof(sCopyHeader.name));
+
+				IPACMDBG_H("header name: %s in tx:%d\n", sCopyHeader.name,cnt);
+				if (m_header.CopyHeader(&sCopyHeader) == false)
+				{
+					PERROR("ioctl copy header failed");
+					res = IPACM_FAILURE;
+					goto fail;
+				}
+
+				IPACMDBG_H("header length: %d, paritial: %d\n", sCopyHeader.hdr_len, sCopyHeader.is_partial);
+				if (sCopyHeader.hdr_len > IPA_HDR_MAX_SIZE)
+				{
+					IPACMERR("header oversize\n");
+					res = IPACM_FAILURE;
+					goto fail;
+				}
+				else
+				{
+					memcpy(pHeaderDescriptor->hdr[0].hdr,
+								 sCopyHeader.hdr,
+								 sCopyHeader.hdr_len);
+				}
+
+				for(i = 0; i < data->num_of_attribs; i++)
+				{
+					if(data->attribs[i].attrib_type == WLAN_HDR_ATTRIB_MAC_ADDR)
+					{
+						memcpy(get_client_memptr(wlan_client, num_wifi_client)->mac,
+								data->attribs[i].u.mac_addr,
+								sizeof(get_client_memptr(wlan_client, num_wifi_client)->mac));
+
+						/* copy client mac_addr to partial header */
+						memcpy(&pHeaderDescriptor->hdr[0].hdr[data->attribs[i].offset],
+									 get_client_memptr(wlan_client, num_wifi_client)->mac,
+									 IPA_MAC_ADDR_SIZE);
+						/* replace src mac to bridge mac_addr if any  */
+						if (IPACM_Iface::ipacmcfg->ipa_bridge_enable)
+						{
+							memcpy(&pHeaderDescriptor->hdr[0].hdr[data->attribs[i].offset+IPA_MAC_ADDR_SIZE],
+									 IPACM_Iface::ipacmcfg->bridge_mac,
+									 IPA_MAC_ADDR_SIZE);
+							IPACMDBG_H("device is in bridge mode \n");
+						}
+
+					}
+					else if(data->attribs[i].attrib_type == WLAN_HDR_ATTRIB_STA_ID)
+					{
+						/* copy client id to header */
+						memcpy(&pHeaderDescriptor->hdr[0].hdr[data->attribs[i].offset],
+									&data->attribs[i].u.sta_id, sizeof(data->attribs[i].u.sta_id));
+					}
+					else
+					{
+						IPACMDBG_H("The attribute type is not expected!\n");
+					}
+				}
+
+				pHeaderDescriptor->commit = true;
+				pHeaderDescriptor->num_hdrs = 1;
+
+				memset(pHeaderDescriptor->hdr[0].name, 0,
+							 sizeof(pHeaderDescriptor->hdr[0].name));
+
+				snprintf(index,sizeof(index), "%d", ipa_if_num);
+				strlcpy(pHeaderDescriptor->hdr[0].name, index, sizeof(pHeaderDescriptor->hdr[0].name));
+				pHeaderDescriptor->hdr[0].name[IPA_RESOURCE_NAME_MAX-1] = '\0';
+
+				if (strlcat(pHeaderDescriptor->hdr[0].name, IPA_WLAN_PARTIAL_HDR_NAME_v4, sizeof(pHeaderDescriptor->hdr[0].name)) > IPA_RESOURCE_NAME_MAX)
+				{
+					IPACMERR(" header name construction failed exceed length (%zu)\n", strlen(pHeaderDescriptor->hdr[0].name));
+					res = IPACM_FAILURE;
+					goto fail;
+				}
+				snprintf(index,sizeof(index), "%d", header_name_count);
+				if (strlcat(pHeaderDescriptor->hdr[0].name, index, sizeof(pHeaderDescriptor->hdr[0].name)) > IPA_RESOURCE_NAME_MAX)
+				{
+					IPACMERR(" header name construction failed exceed length (%zu)\n", strlen(pHeaderDescriptor->hdr[0].name));
+					res = IPACM_FAILURE;
+					goto fail;
+				}
+
+
+				pHeaderDescriptor->hdr[0].hdr_len = sCopyHeader.hdr_len;
+				pHeaderDescriptor->hdr[0].hdr_hdl = -1;
+				pHeaderDescriptor->hdr[0].is_partial = 0;
+				pHeaderDescriptor->hdr[0].status = -1;
+
+				if (m_header.AddHeader(pHeaderDescriptor) == false ||
+						pHeaderDescriptor->hdr[0].status != 0)
+				{
+					IPACMERR("ioctl IPA_IOC_ADD_HDR failed: %d\n", pHeaderDescriptor->hdr[0].status);
+					res = IPACM_FAILURE;
+					goto fail;
+				}
+
+				get_client_memptr(wlan_client, num_wifi_client)->hdr_hdl_v4 = pHeaderDescriptor->hdr[0].hdr_hdl;
+				IPACMDBG_H("client(%d) v4 full header name:%s header handle:(0x%x)\n",
+								 num_wifi_client,
+								 pHeaderDescriptor->hdr[0].name,
+								 get_client_memptr(wlan_client, num_wifi_client)->hdr_hdl_v4);
+				get_client_memptr(wlan_client, num_wifi_client)->ipv4_header_set=true;
+				break;
+			}
+		}
+
+		/* copy partial header for v6*/
+		for (cnt=0; cnt<tx_prop->num_tx_props; cnt++)
+		{
+			if(tx_prop->tx[cnt].ip==IPA_IP_v6)
+			{
+				IPACMDBG_H("Got partial v6-header name from %d tx props\n", cnt);
+				memset(&sCopyHeader, 0, sizeof(sCopyHeader));
+				memcpy(sCopyHeader.name,
+							 tx_prop->tx[cnt].hdr_name,
+							 sizeof(sCopyHeader.name));
+
+				IPACMDBG_H("header name: %s in tx:%d\n", sCopyHeader.name,cnt);
+				if (m_header.CopyHeader(&sCopyHeader) == false)
+				{
+					PERROR("ioctl copy header failed");
+					res = IPACM_FAILURE;
+					goto fail;
+				}
+
+				IPACMDBG_H("header length: %d, paritial: %d\n", sCopyHeader.hdr_len, sCopyHeader.is_partial);
+				if (sCopyHeader.hdr_len > IPA_HDR_MAX_SIZE)
+				{
+					IPACMERR("header oversize\n");
+					res = IPACM_FAILURE;
+					goto fail;
+				}
+				else
+				{
+					memcpy(pHeaderDescriptor->hdr[0].hdr,
+								 sCopyHeader.hdr,
+								 sCopyHeader.hdr_len);
+				}
+
+				for(i = 0; i < data->num_of_attribs; i++)
+				{
+					if(data->attribs[i].attrib_type == WLAN_HDR_ATTRIB_MAC_ADDR)
+					{
+						memcpy(get_client_memptr(wlan_client, num_wifi_client)->mac,
+								data->attribs[i].u.mac_addr,
+								sizeof(get_client_memptr(wlan_client, num_wifi_client)->mac));
+
+						/* copy client mac_addr to partial header */
+						memcpy(&pHeaderDescriptor->hdr[0].hdr[data->attribs[i].offset],
+								get_client_memptr(wlan_client, num_wifi_client)->mac,
+								IPA_MAC_ADDR_SIZE);
+
+						/* replace src mac to bridge mac_addr if any  */
+						if (IPACM_Iface::ipacmcfg->ipa_bridge_enable)
+						{
+							memcpy(&pHeaderDescriptor->hdr[0].hdr[data->attribs[i].offset+IPA_MAC_ADDR_SIZE],
+									 IPACM_Iface::ipacmcfg->bridge_mac,
+									 IPA_MAC_ADDR_SIZE);
+							IPACMDBG_H("device is in bridge mode \n");
+						}
+					}
+					else if (data->attribs[i].attrib_type == WLAN_HDR_ATTRIB_STA_ID)
+					{
+						/* copy client id to header */
+						memcpy(&pHeaderDescriptor->hdr[0].hdr[data->attribs[i].offset],
+								&data->attribs[i].u.sta_id, sizeof(data->attribs[i].u.sta_id));
+					}
+					else
+					{
+						IPACMDBG_H("The attribute type is not expected!\n");
+					}
+				}
+
+				pHeaderDescriptor->commit = true;
+				pHeaderDescriptor->num_hdrs = 1;
+
+				memset(pHeaderDescriptor->hdr[0].name, 0,
+							 sizeof(pHeaderDescriptor->hdr[0].name));
+
+				snprintf(index,sizeof(index), "%d", ipa_if_num);
+				strlcpy(pHeaderDescriptor->hdr[0].name, index, sizeof(pHeaderDescriptor->hdr[0].name));
+				pHeaderDescriptor->hdr[0].name[IPA_RESOURCE_NAME_MAX-1] = '\0';
+				if (strlcat(pHeaderDescriptor->hdr[0].name, IPA_WLAN_PARTIAL_HDR_NAME_v6, sizeof(pHeaderDescriptor->hdr[0].name)) > IPA_RESOURCE_NAME_MAX)
+				{
+					IPACMERR(" header name construction failed exceed length (%zu)\n", strlen(pHeaderDescriptor->hdr[0].name));
+					res = IPACM_FAILURE;
+					goto fail;
+				}
+
+				snprintf(index,sizeof(index), "%d", header_name_count);
+				if (strlcat(pHeaderDescriptor->hdr[0].name, index, sizeof(pHeaderDescriptor->hdr[0].name)) > IPA_RESOURCE_NAME_MAX)
+				{
+					IPACMERR(" header name construction failed exceed length (%zu)\n", strlen(pHeaderDescriptor->hdr[0].name));
+					res = IPACM_FAILURE;
+					goto fail;
+				}
+
+				pHeaderDescriptor->hdr[0].hdr_len = sCopyHeader.hdr_len;
+				pHeaderDescriptor->hdr[0].hdr_hdl = -1;
+				pHeaderDescriptor->hdr[0].is_partial = 0;
+				pHeaderDescriptor->hdr[0].status = -1;
+
+				if (m_header.AddHeader(pHeaderDescriptor) == false ||
+						pHeaderDescriptor->hdr[0].status != 0)
+				{
+					IPACMERR("ioctl IPA_IOC_ADD_HDR failed: %d\n", pHeaderDescriptor->hdr[0].status);
+					res = IPACM_FAILURE;
+					goto fail;
+				}
+
+				get_client_memptr(wlan_client, num_wifi_client)->hdr_hdl_v6 = pHeaderDescriptor->hdr[0].hdr_hdl;
+				IPACMDBG_H("client(%d) v6 full header name:%s header handle:(0x%x)\n",
+								 num_wifi_client,
+								 pHeaderDescriptor->hdr[0].name,
+											 get_client_memptr(wlan_client, num_wifi_client)->hdr_hdl_v6);
+
+				get_client_memptr(wlan_client, num_wifi_client)->ipv6_header_set=true;
+				break;
+			}
+		}
+
+		/* initialize wifi client*/
+		get_client_memptr(wlan_client, num_wifi_client)->route_rule_set_v4 = false;
+		get_client_memptr(wlan_client, num_wifi_client)->route_rule_set_v6 = 0;
+		get_client_memptr(wlan_client, num_wifi_client)->ipv4_set = false;
+		get_client_memptr(wlan_client, num_wifi_client)->ipv6_set = 0;
+		get_client_memptr(wlan_client, num_wifi_client)->power_save_set=false;
+		num_wifi_client++;
+		header_name_count++; //keep increasing header_name_count
+		IPACM_Wlan::total_num_wifi_clients++;
+		res = IPACM_SUCCESS;
+		IPACMDBG_H("Wifi client number: %d\n", num_wifi_client);
+	}
+	else
+	{
+		return res;
+	}
+
+fail:
+	free(pHeaderDescriptor);
+	return res;
+}
+
+/*handle wifi client */
+int IPACM_Wlan::handle_wlan_client_ipaddr(ipacm_event_data_all *data)
+{
+	int clnt_indx;
+	int v6_num;
+	uint32_t ipv6_link_local_prefix = 0xFE800000;
+	uint32_t ipv6_link_local_prefix_mask = 0xFFC00000;
+
+	IPACMDBG_H("number of wifi clients: %d\n", num_wifi_client);
+	IPACMDBG_H(" event MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
+					 data->mac_addr[0],
+					 data->mac_addr[1],
+					 data->mac_addr[2],
+					 data->mac_addr[3],
+					 data->mac_addr[4],
+					 data->mac_addr[5]);
+
+	clnt_indx = get_wlan_client_index(data->mac_addr);
+
+		if (clnt_indx == IPACM_INVALID_INDEX)
+		{
+			IPACMERR("wlan client not found/attached \n");
+			return IPACM_FAILURE;
+		}
+
+	IPACMDBG_H("Ip-type received %d\n", data->iptype);
+	if (data->iptype == IPA_IP_v4)
+	{
+		IPACMDBG_H("ipv4 address: 0x%x\n", data->ipv4_addr);
+		if (data->ipv4_addr != 0) /* not 0.0.0.0 */
+		{
+			if (get_client_memptr(wlan_client, clnt_indx)->ipv4_set == false)
+			{
+				get_client_memptr(wlan_client, clnt_indx)->v4_addr = data->ipv4_addr;
+				get_client_memptr(wlan_client, clnt_indx)->ipv4_set = true;
+			}
+			else
+			{
+			   /* check if client got new IPv4 address*/
+			   if(data->ipv4_addr == get_client_memptr(wlan_client, clnt_indx)->v4_addr)
+			   {
+			     IPACMDBG_H("Already setup ipv4 addr for client:%d, ipv4 address didn't change\n", clnt_indx);
+				 return IPACM_FAILURE;
+			   }
+			   else
+			   {
+			     IPACMDBG_H("ipv4 addr for client:%d is changed \n", clnt_indx);
+				 /* delete NAT rules first */
+				 CtList->HandleNeighIpAddrDelEvt(get_client_memptr(wlan_client, clnt_indx)->v4_addr);
+			     delete_default_qos_rtrules(clnt_indx,IPA_IP_v4);
+		         get_client_memptr(wlan_client, clnt_indx)->route_rule_set_v4 = false;
+			     get_client_memptr(wlan_client, clnt_indx)->v4_addr = data->ipv4_addr;
+			}
+		}
+	}
+	else
+	{
+		    IPACMDBG_H("Invalid client IPv4 address \n");
+		    return IPACM_FAILURE;
+		}
+	}
+	else
+	{
+		if ((data->ipv6_addr[0] != 0) || (data->ipv6_addr[1] != 0) ||
+				(data->ipv6_addr[2] != 0) || (data->ipv6_addr[3] != 0)) /* check if all 0 not valid ipv6 address */
+		{
+			IPACMDBG_H("ipv6 address: 0x%x:%x:%x:%x\n", data->ipv6_addr[0], data->ipv6_addr[1], data->ipv6_addr[2], data->ipv6_addr[3]);
+			if( (data->ipv6_addr[0] & ipv6_link_local_prefix_mask) != (ipv6_link_local_prefix & ipv6_link_local_prefix_mask) &&
+				memcmp(ipv6_prefix, data->ipv6_addr, sizeof(ipv6_prefix)) != 0)
+			{
+				IPACMDBG_H("This IPv6 address is not global IPv6 address with correct prefix, ignore.\n");
+				IPACMDBG_H("ipv6 address: 0x%x:%x ipv6_prefix0x%x:%x\n", data->ipv6_addr[0], data->ipv6_addr[1], ipv6_prefix[0], ipv6_prefix[1]);
+				return IPACM_FAILURE;
+			}
+
+			if(get_client_memptr(wlan_client, clnt_indx)->ipv6_set < IPV6_NUM_ADDR)
+			{
+
+		       for(v6_num=0;v6_num < get_client_memptr(wlan_client, clnt_indx)->ipv6_set;v6_num++)
+				{
+					if( data->ipv6_addr[0] == get_client_memptr(wlan_client, clnt_indx)->v6_addr[v6_num][0] &&
+			           data->ipv6_addr[1] == get_client_memptr(wlan_client, clnt_indx)->v6_addr[v6_num][1] &&
+			  	        data->ipv6_addr[2]== get_client_memptr(wlan_client, clnt_indx)->v6_addr[v6_num][2] &&
+			  	         data->ipv6_addr[3] == get_client_memptr(wlan_client, clnt_indx)->v6_addr[v6_num][3])
+					{
+			  	    IPACMDBG_H("Already see this ipv6 addr for client:%d\n", clnt_indx);
+			  	    return IPACM_FAILURE; /* not setup the RT rules*/
+			  		break;
+					}
+				}
+
+		       /* not see this ipv6 before for wifi client*/
+			   get_client_memptr(wlan_client, clnt_indx)->v6_addr[get_client_memptr(wlan_client, clnt_indx)->ipv6_set][0] = data->ipv6_addr[0];
+			   get_client_memptr(wlan_client, clnt_indx)->v6_addr[get_client_memptr(wlan_client, clnt_indx)->ipv6_set][1] = data->ipv6_addr[1];
+			   get_client_memptr(wlan_client, clnt_indx)->v6_addr[get_client_memptr(wlan_client, clnt_indx)->ipv6_set][2] = data->ipv6_addr[2];
+			   get_client_memptr(wlan_client, clnt_indx)->v6_addr[get_client_memptr(wlan_client, clnt_indx)->ipv6_set][3] = data->ipv6_addr[3];
+			   get_client_memptr(wlan_client, clnt_indx)->ipv6_set++;
+		    }
+		    else
+		    {
+				IPACMDBG_H("Already got %d ipv6 addr for client:%d\n", IPV6_NUM_ADDR, clnt_indx);
+				return IPACM_FAILURE; /* not setup the RT rules*/
+		    }
+		}
+		else
+		{
+			IPACMDBG_H("IPV6 address is invalid\n");
+			return IPACM_FAILURE;
+		}
+	}
+
+	return IPACM_SUCCESS;
+}
+
+/*handle wifi client routing rule*/
+int IPACM_Wlan::handle_wlan_client_route_rule(uint8_t *mac_addr, ipa_ip_type iptype)
+{
+	struct ipa_ioc_add_rt_rule *rt_rule;
+	struct ipa_rt_rule_add *rt_rule_entry;
+	uint32_t tx_index;
+	int wlan_index,v6_num;
+	const int NUM = 1;
+
+	if(tx_prop == NULL)
+	{
+		IPACMDBG_H("No rx properties registered for iface %s\n", dev_name);
+		return IPACM_SUCCESS;
+	}
+
+	IPACMDBG_H("Received mac_addr MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
+			mac_addr[0], mac_addr[1], mac_addr[2],
+			mac_addr[3], mac_addr[4], mac_addr[5]);
+
+	wlan_index = get_wlan_client_index(mac_addr);
+	if (wlan_index == IPACM_INVALID_INDEX)
+	{
+		IPACMDBG_H("wlan client not found/attached \n");
+		return IPACM_SUCCESS;
+	}
+
+	/* during power_save mode, even receive IP_ADDR_ADD, not setting RT rules*/
+	if (get_client_memptr(wlan_client, wlan_index)->power_save_set == true)
+	{
+		IPACMDBG_H("wlan client is in power safe mode \n");
+		return IPACM_SUCCESS;
+	}
+
+	if (iptype==IPA_IP_v4)
+	{
+		IPACMDBG_H("wlan client index: %d, ip-type: %d, ipv4_set:%d, ipv4_rule_set:%d \n", wlan_index, iptype,
+				get_client_memptr(wlan_client, wlan_index)->ipv4_set,
+				get_client_memptr(wlan_client, wlan_index)->route_rule_set_v4);
+	}
+	else
+	{
+		IPACMDBG_H("wlan client index: %d, ip-type: %d, ipv6_set:%d, ipv6_rule_num:%d \n", wlan_index, iptype,
+				get_client_memptr(wlan_client, wlan_index)->ipv6_set,
+				get_client_memptr(wlan_client, wlan_index)->route_rule_set_v6);
+	}
+
+
+	/* Add default  Qos routing rules if not set yet */
+	if ((iptype == IPA_IP_v4
+				&& get_client_memptr(wlan_client, wlan_index)->route_rule_set_v4 == false
+				&& get_client_memptr(wlan_client, wlan_index)->ipv4_set == true)
+			|| (iptype == IPA_IP_v6
+				&& get_client_memptr(wlan_client, wlan_index)->route_rule_set_v6 < get_client_memptr(wlan_client, wlan_index)->ipv6_set
+			   ))
+	{
+		rt_rule = (struct ipa_ioc_add_rt_rule *)
+			calloc(1, sizeof(struct ipa_ioc_add_rt_rule) +
+					NUM * sizeof(struct ipa_rt_rule_add));
+
+		if (rt_rule == NULL)
+		{
+			PERROR("Error Locate ipa_ioc_add_rt_rule memory...\n");
+			return IPACM_FAILURE;
+		}
+
+		rt_rule->commit = 1;
+		rt_rule->num_rules = (uint8_t)NUM;
+		rt_rule->ip = iptype;
+
+
+		for (tx_index = 0; tx_index < iface_query->num_tx_props; tx_index++)
+		{
+
+			if(iptype != tx_prop->tx[tx_index].ip)
+			{
+				IPACMDBG_H("Tx:%d, ip-type: %d conflict ip-type: %d no RT-rule added\n",
+						tx_index, tx_prop->tx[tx_index].ip,iptype);
+				continue;
+			}
+
+			rt_rule_entry = &rt_rule->rules[0];
+			rt_rule_entry->at_rear = 0;
+
+			if (iptype == IPA_IP_v4)
+			{
+				IPACMDBG_H("client index(%d):ipv4 address: 0x%x\n", wlan_index,
+						get_client_memptr(wlan_client, wlan_index)->v4_addr);
+
+				IPACMDBG_H("client(%d): v4 header handle:(0x%x)\n",
+						wlan_index,
+						get_client_memptr(wlan_client, wlan_index)->hdr_hdl_v4);
+				strlcpy(rt_rule->rt_tbl_name,
+						IPACM_Iface::ipacmcfg->rt_tbl_lan_v4.name,
+						sizeof(rt_rule->rt_tbl_name));
+				rt_rule->rt_tbl_name[IPA_RESOURCE_NAME_MAX-1] = '\0';
+
+				if(IPACM_Iface::ipacmcfg->isMCC_Mode)
+				{
+					IPACMDBG_H("In MCC mode, use alt dst pipe: %d\n",
+							tx_prop->tx[tx_index].alt_dst_pipe);
+					rt_rule_entry->rule.dst = tx_prop->tx[tx_index].alt_dst_pipe;
+				}
+				else
+				{
+					rt_rule_entry->rule.dst = tx_prop->tx[tx_index].dst_pipe;
+				}
+
+				memcpy(&rt_rule_entry->rule.attrib,
+						&tx_prop->tx[tx_index].attrib,
+						sizeof(rt_rule_entry->rule.attrib));
+				rt_rule_entry->rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
+				rt_rule_entry->rule.hdr_hdl = get_client_memptr(wlan_client, wlan_index)->hdr_hdl_v4;
+				rt_rule_entry->rule.attrib.u.v4.dst_addr = get_client_memptr(wlan_client, wlan_index)->v4_addr;
+				rt_rule_entry->rule.attrib.u.v4.dst_addr_mask = 0xFFFFFFFF;
+#ifdef FEATURE_IPA_V3
+				rt_rule_entry->rule.hashable = false;
+#endif
+				if (false == m_routing.AddRoutingRule(rt_rule))
+				{
+					IPACMERR("Routing rule addition failed!\n");
+					free(rt_rule);
+					return IPACM_FAILURE;
+				}
+
+				/* copy ipv4 RT hdl */
+				get_client_memptr(wlan_client, wlan_index)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v4 =
+					rt_rule->rules[0].rt_rule_hdl;
+				IPACMDBG_H("tx:%d, rt rule hdl=%x ip-type: %d\n", tx_index,
+						get_client_memptr(wlan_client, wlan_index)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v4, iptype);
+			}
+			else
+			{
+				for(v6_num = get_client_memptr(wlan_client, wlan_index)->route_rule_set_v6;v6_num < get_client_memptr(wlan_client, wlan_index)->ipv6_set;v6_num++)
+				{
+					IPACMDBG_H("client(%d): v6 header handle:(0x%x)\n",
+							wlan_index,
+							get_client_memptr(wlan_client, wlan_index)->hdr_hdl_v6);
+
+					/* v6 LAN_RT_TBL */
+					strlcpy(rt_rule->rt_tbl_name,
+							IPACM_Iface::ipacmcfg->rt_tbl_v6.name,
+							sizeof(rt_rule->rt_tbl_name));
+					rt_rule->rt_tbl_name[IPA_RESOURCE_NAME_MAX-1] = '\0';
+					/* Support QCMAP LAN traffic feature, send to A5 */
+					rt_rule_entry->rule.dst = iface_query->excp_pipe;
+					memset(&rt_rule_entry->rule.attrib, 0, sizeof(rt_rule_entry->rule.attrib));
+					rt_rule_entry->rule.hdr_hdl = 0;
+					rt_rule_entry->rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[0] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][0];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][1];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][2];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][3];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[0] = 0xFFFFFFFF;
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[1] = 0xFFFFFFFF;
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[2] = 0xFFFFFFFF;
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[3] = 0xFFFFFFFF;
+#ifdef FEATURE_IPA_V3
+					rt_rule_entry->rule.hashable = true;
+#endif
+					if (false == m_routing.AddRoutingRule(rt_rule))
+					{
+						IPACMERR("Routing rule addition failed!\n");
+						free(rt_rule);
+						return IPACM_FAILURE;
+					}
+
+					get_client_memptr(wlan_client, wlan_index)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6[v6_num] = rt_rule->rules[0].rt_rule_hdl;
+					IPACMDBG_H("tx:%d, rt rule hdl=%x ip-type: %d\n", tx_index,
+							get_client_memptr(wlan_client, wlan_index)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6[v6_num], iptype);
+
+					/*Copy same rule to v6 WAN RT TBL*/
+					strlcpy(rt_rule->rt_tbl_name,
+							IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.name,
+							sizeof(rt_rule->rt_tbl_name));
+					rt_rule->rt_tbl_name[IPA_RESOURCE_NAME_MAX-1] = '\0';
+					/* Downlink traffic from Wan iface, directly through IPA */
+					if(IPACM_Iface::ipacmcfg->isMCC_Mode)
+					{
+						IPACMDBG_H("In MCC mode, use alt dst pipe: %d\n",
+								tx_prop->tx[tx_index].alt_dst_pipe);
+						rt_rule_entry->rule.dst = tx_prop->tx[tx_index].alt_dst_pipe;
+					}
+					else
+					{
+						rt_rule_entry->rule.dst = tx_prop->tx[tx_index].dst_pipe;
+					}
+					memcpy(&rt_rule_entry->rule.attrib,
+							&tx_prop->tx[tx_index].attrib,
+							sizeof(rt_rule_entry->rule.attrib));
+					rt_rule_entry->rule.hdr_hdl = get_client_memptr(wlan_client, wlan_index)->hdr_hdl_v6;
+					rt_rule_entry->rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[0] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][0];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][1];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][2];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][3];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[0] = 0xFFFFFFFF;
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[1] = 0xFFFFFFFF;
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[2] = 0xFFFFFFFF;
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[3] = 0xFFFFFFFF;
+#ifdef FEATURE_IPA_V3
+					rt_rule_entry->rule.hashable = true;
+#endif
+					if (false == m_routing.AddRoutingRule(rt_rule))
+					{
+						IPACMERR("Routing rule addition failed!\n");
+						free(rt_rule);
+						return IPACM_FAILURE;
+					}
+
+					get_client_memptr(wlan_client, wlan_index)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6_wan[v6_num] = rt_rule->rules[0].rt_rule_hdl;
+
+					IPACMDBG_H("tx:%d, rt rule hdl=%x ip-type: %d\n", tx_index,
+							get_client_memptr(wlan_client, wlan_index)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6_wan[v6_num], iptype);
+				}
+			}
+
+		} /* end of for loop */
+
+		free(rt_rule);
+
+		if (iptype == IPA_IP_v4)
+		{
+			get_client_memptr(wlan_client, wlan_index)->route_rule_set_v4 = true;
+		}
+		else
+		{
+			get_client_memptr(wlan_client, wlan_index)->route_rule_set_v6 = get_client_memptr(wlan_client, wlan_index)->ipv6_set;
+		}
+	}
+
+	return IPACM_SUCCESS;
+}
+
+/*handle wifi client power-save mode*/
+int IPACM_Wlan::handle_wlan_client_pwrsave(uint8_t *mac_addr)
+{
+	int clt_indx;
+	IPACMDBG_H("wlan->handle_wlan_client_pwrsave();\n");
+
+	clt_indx = get_wlan_client_index(mac_addr);
+	if (clt_indx == IPACM_INVALID_INDEX)
+	{
+		IPACMDBG_H("wlan client not attached\n");
+		return IPACM_SUCCESS;
+	}
+
+        if (get_client_memptr(wlan_client, clt_indx)->power_save_set == false)
+	{
+		/* First reset nat rules and then route rules */
+	    if(get_client_memptr(wlan_client, clt_indx)->ipv4_set == true)
+	    {
+			IPACMDBG_H("Deleting Nat Rules\n");
+			Nat_App->UpdatePwrSaveIf(get_client_memptr(wlan_client, clt_indx)->v4_addr);
+ 	     }
+
+		IPACMDBG_H("Deleting default qos Route Rules\n");
+		delete_default_qos_rtrules(clt_indx, IPA_IP_v4);
+		delete_default_qos_rtrules(clt_indx, IPA_IP_v6);
+                get_client_memptr(wlan_client, clt_indx)->power_save_set = true;
+	}
+	else
+	{
+		IPACMDBG_H("wlan client already in power-save mode\n");
+	}
+    return IPACM_SUCCESS;
+}
+
+/*handle wifi client del mode*/
+int IPACM_Wlan::handle_wlan_client_down_evt(uint8_t *mac_addr)
+{
+	int clt_indx;
+	uint32_t tx_index;
+	int num_wifi_client_tmp = num_wifi_client;
+	int num_v6;
+
+	IPACMDBG_H("total client: %d\n", num_wifi_client_tmp);
+
+	clt_indx = get_wlan_client_index(mac_addr);
+	if (clt_indx == IPACM_INVALID_INDEX)
+	{
+		IPACMDBG_H("wlan client not attached\n");
+		return IPACM_SUCCESS;
+	}
+
+	/* First reset nat rules and then route rules */
+	if(get_client_memptr(wlan_client, clt_indx)->ipv4_set == true)
+	{
+	        IPACMDBG_H("Clean Nat Rules for ipv4:0x%x\n", get_client_memptr(wlan_client, clt_indx)->v4_addr);
+			CtList->HandleNeighIpAddrDelEvt(get_client_memptr(wlan_client, clt_indx)->v4_addr);
+ 	}
+
+	if (delete_default_qos_rtrules(clt_indx, IPA_IP_v4))
+	{
+		IPACMERR("unbale to delete v4 default qos route rules for index: %d\n", clt_indx);
+		return IPACM_FAILURE;
+	}
+
+	if (delete_default_qos_rtrules(clt_indx, IPA_IP_v6))
+	{
+		IPACMERR("unbale to delete v6 default qos route rules for indexn: %d\n", clt_indx);
+		return IPACM_FAILURE;
+	}
+
+	/* Delete wlan client header */
+	if(get_client_memptr(wlan_client, clt_indx)->ipv4_header_set == true)
+	{
+	if (m_header.DeleteHeaderHdl(get_client_memptr(wlan_client, clt_indx)->hdr_hdl_v4)
+			== false)
+	{
+		return IPACM_FAILURE;
+	}
+		get_client_memptr(wlan_client, clt_indx)->ipv4_header_set = false;
+	}
+
+	if(get_client_memptr(wlan_client, clt_indx)->ipv6_header_set == true)
+	{
+	if (m_header.DeleteHeaderHdl(get_client_memptr(wlan_client, clt_indx)->hdr_hdl_v6)
+			== false)
+	{
+		return IPACM_FAILURE;
+	}
+		get_client_memptr(wlan_client, clt_indx)->ipv6_header_set = false;
+	}
+
+	/* Reset ip_set to 0*/
+	get_client_memptr(wlan_client, clt_indx)->ipv4_set = false;
+	get_client_memptr(wlan_client, clt_indx)->ipv6_set = 0;
+	get_client_memptr(wlan_client, clt_indx)->ipv4_header_set = false;
+	get_client_memptr(wlan_client, clt_indx)->ipv6_header_set = false;
+	get_client_memptr(wlan_client, clt_indx)->route_rule_set_v4 = false;
+	get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6 = 0;
+	free(get_client_memptr(wlan_client, clt_indx)->p_hdr_info);
+
+	for (; clt_indx < num_wifi_client_tmp - 1; clt_indx++)
+	{
+		get_client_memptr(wlan_client, clt_indx)->p_hdr_info = get_client_memptr(wlan_client, (clt_indx + 1))->p_hdr_info;
+
+		memcpy(get_client_memptr(wlan_client, clt_indx)->mac,
+					 get_client_memptr(wlan_client, (clt_indx + 1))->mac,
+					 sizeof(get_client_memptr(wlan_client, clt_indx)->mac));
+
+		get_client_memptr(wlan_client, clt_indx)->hdr_hdl_v4 = get_client_memptr(wlan_client, (clt_indx + 1))->hdr_hdl_v4;
+		get_client_memptr(wlan_client, clt_indx)->hdr_hdl_v6 = get_client_memptr(wlan_client, (clt_indx + 1))->hdr_hdl_v6;
+		get_client_memptr(wlan_client, clt_indx)->v4_addr = get_client_memptr(wlan_client, (clt_indx + 1))->v4_addr;
+
+		get_client_memptr(wlan_client, clt_indx)->ipv4_set = get_client_memptr(wlan_client, (clt_indx + 1))->ipv4_set;
+		get_client_memptr(wlan_client, clt_indx)->ipv6_set = get_client_memptr(wlan_client, (clt_indx + 1))->ipv6_set;
+		get_client_memptr(wlan_client, clt_indx)->ipv4_header_set = get_client_memptr(wlan_client, (clt_indx + 1))->ipv4_header_set;
+		get_client_memptr(wlan_client, clt_indx)->ipv6_header_set = get_client_memptr(wlan_client, (clt_indx + 1))->ipv6_header_set;
+
+		get_client_memptr(wlan_client, clt_indx)->route_rule_set_v4 = get_client_memptr(wlan_client, (clt_indx + 1))->route_rule_set_v4;
+		get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6 = get_client_memptr(wlan_client, (clt_indx + 1))->route_rule_set_v6;
+
+                for(num_v6=0;num_v6< get_client_memptr(wlan_client, clt_indx)->ipv6_set;num_v6++)
+	        {
+		    get_client_memptr(wlan_client, clt_indx)->v6_addr[num_v6][0] = get_client_memptr(wlan_client, (clt_indx + 1))->v6_addr[num_v6][0];
+		    get_client_memptr(wlan_client, clt_indx)->v6_addr[num_v6][1] = get_client_memptr(wlan_client, (clt_indx + 1))->v6_addr[num_v6][1];
+		    get_client_memptr(wlan_client, clt_indx)->v6_addr[num_v6][2] = get_client_memptr(wlan_client, (clt_indx + 1))->v6_addr[num_v6][2];
+		    get_client_memptr(wlan_client, clt_indx)->v6_addr[num_v6][3] = get_client_memptr(wlan_client, (clt_indx + 1))->v6_addr[num_v6][3];
+                }
+
+		for (tx_index = 0; tx_index < iface_query->num_tx_props; tx_index++)
+		{
+			get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v4 =
+				 get_client_memptr(wlan_client, (clt_indx + 1))->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v4;
+
+			for(num_v6=0;num_v6< get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6;num_v6++)
+			{
+			  get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6[num_v6] =
+			   	 get_client_memptr(wlan_client, (clt_indx + 1))->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6[num_v6];
+			  get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6_wan[num_v6] =
+			   	 get_client_memptr(wlan_client, (clt_indx + 1))->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6_wan[num_v6];
+		    }
+		}
+	}
+
+	IPACMDBG_H(" %d wifi client deleted successfully \n", num_wifi_client);
+	num_wifi_client = num_wifi_client - 1;
+	IPACM_Wlan::total_num_wifi_clients = IPACM_Wlan::total_num_wifi_clients - 1;
+	IPACMDBG_H(" Number of wifi client: %d\n", num_wifi_client);
+
+	return IPACM_SUCCESS;
+}
+
+/*handle wlan iface down event*/
+int IPACM_Wlan::handle_down_evt()
+{
+	int res = IPACM_SUCCESS, num_private_subnet_fl_rule;
+	uint32_t i;
+	num_private_subnet_fl_rule = 0;
+
+	IPACMDBG_H("WLAN ip-type: %d \n", ip_type);
+	/* no iface address up, directly close iface*/
+	if (ip_type == IPACM_IP_NULL)
+	{
+		IPACMERR("Invalid iptype: 0x%x\n", ip_type);
+		goto fail;
+	}
+
+	/* delete wan filter rule */
+	if (IPACM_Wan::isWanUP(ipa_if_num) && rx_prop != NULL)
+	{
+		IPACMDBG_H("LAN IF goes down, backhaul type %d\n", IPACM_Wan::backhaul_is_sta_mode);
+		IPACM_Lan::handle_wan_down(IPACM_Wan::backhaul_is_sta_mode);
+#ifdef FEATURE_IPA_ANDROID
+		/* Clean-up tethered-iface list */
+		IPACM_Wan::delete_tether_iface(IPA_IP_v4, ipa_if_num);
+#endif
+	}
+
+	if (IPACM_Wan::isWanUP_V6(ipa_if_num) && rx_prop != NULL)
+	{
+		IPACMDBG_H("LAN IF goes down, backhaul type %d\n", IPACM_Wan::backhaul_is_sta_mode);
+		handle_wan_down_v6(IPACM_Wan::backhaul_is_sta_mode);
+#ifdef FEATURE_IPA_ANDROID
+		/* Clean-up tethered-iface list */
+		IPACM_Wan::delete_tether_iface(IPA_IP_v6, ipa_if_num);
+#endif
+	}
+	IPACMDBG_H("finished deleting wan filtering rules\n ");
+
+	/* Delete v4 filtering rules */
+	if (ip_type != IPA_IP_v6 && rx_prop != NULL)
+	{
+		/* delete IPv4 icmp filter rules */
+		if(m_filtering.DeleteFilteringHdls(ipv4_icmp_flt_rule_hdl, IPA_IP_v4, NUM_IPV4_ICMP_FLT_RULE) == false)
+		{
+			IPACMERR("Error Deleting ICMPv4 Filtering Rule, aborting...\n");
+			res = IPACM_FAILURE;
+			goto fail;
+		}
+		IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v4, NUM_IPV4_ICMP_FLT_RULE);
+		if (dft_v4fl_rule_hdl[0] != 0)
+		{
+			if (m_filtering.DeleteFilteringHdls(dft_v4fl_rule_hdl, IPA_IP_v4, IPV4_DEFAULT_FILTERTING_RULES) == false)
+			{
+				IPACMERR("Error Deleting Filtering Rule, aborting...\n");
+				res = IPACM_FAILURE;
+				goto fail;
+			}
+			IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v4, IPV4_DEFAULT_FILTERTING_RULES);
+			IPACMDBG_H("Deleted default v4 filter rules successfully.\n");
+		}
+		/* delete private-ipv4 filter rules */
+#ifdef FEATURE_IPA_ANDROID
+		if(m_filtering.DeleteFilteringHdls(private_fl_rule_hdl, IPA_IP_v4, IPA_MAX_PRIVATE_SUBNET_ENTRIES) == false)
+		{
+			IPACMERR("Error deleting private subnet IPv4 flt rules.\n");
+			res = IPACM_FAILURE;
+			goto fail;
+		}
+		IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v4, IPA_MAX_PRIVATE_SUBNET_ENTRIES);
+#else
+		num_private_subnet_fl_rule = IPACM_Iface::ipacmcfg->ipa_num_private_subnet > IPA_MAX_PRIVATE_SUBNET_ENTRIES?
+			IPA_MAX_PRIVATE_SUBNET_ENTRIES : IPACM_Iface::ipacmcfg->ipa_num_private_subnet;
+		if(m_filtering.DeleteFilteringHdls(private_fl_rule_hdl, IPA_IP_v4, num_private_subnet_fl_rule) == false)
+		{
+			IPACMERR("Error deleting private subnet flt rules, aborting...\n");
+			res = IPACM_FAILURE;
+			goto fail;
+		}
+		IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v4, num_private_subnet_fl_rule);
+#endif
+		IPACMDBG_H("Deleted private subnet v4 filter rules successfully.\n");
+	}
+
+	/* Delete v6 filtering rules */
+	if (ip_type != IPA_IP_v4 && rx_prop != NULL)
+	{
+		/* delete icmp filter rules */
+		if(m_filtering.DeleteFilteringHdls(ipv6_icmp_flt_rule_hdl, IPA_IP_v6, NUM_IPV6_ICMP_FLT_RULE) == false)
+		{
+			IPACMERR("Error Deleting ICMPv6 Filtering Rule, aborting...\n");
+			res = IPACM_FAILURE;
+			goto fail;
+		}
+		IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, NUM_IPV6_ICMP_FLT_RULE);
+
+		if (dft_v6fl_rule_hdl[0] != 0)
+		{
+			if (m_filtering.DeleteFilteringHdls(dft_v6fl_rule_hdl, IPA_IP_v6, IPV6_DEFAULT_FILTERTING_RULES) == false)
+			{
+				IPACMERR("Error Adding RuleTable(1) to Filtering, aborting...\n");
+				res = IPACM_FAILURE;
+				goto fail;
+			}
+			IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, IPV6_DEFAULT_FILTERTING_RULES);
+			IPACMDBG_H("Deleted default v6 filter rules successfully.\n");
+		}
+	}
+	IPACMDBG_H("finished delete filtering rules\n ");
+
+	/* Delete default v4 RT rule */
+	if (ip_type != IPA_IP_v6)
+	{
+		IPACMDBG_H("Delete default v4 routing rules\n");
+		if (m_routing.DeleteRoutingHdl(dft_rt_rule_hdl[0], IPA_IP_v4)
+				== false)
+		{
+			IPACMERR("Routing rule deletion failed!\n");
+			res = IPACM_FAILURE;
+			goto fail;
+		}
+	}
+
+	/* Delete default v6 RT rule */
+	if (ip_type != IPA_IP_v4)
+	{
+		IPACMDBG_H("Delete default v6 routing rules\n");
+		/* May have multiple ipv6 iface-RT rules */
+		for (i = 0; i < 2*num_dft_rt_v6; i++)
+		{
+			if (m_routing.DeleteRoutingHdl(dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES+i], IPA_IP_v6)
+					== false)
+			{
+				IPACMERR("Routing rule deletion failed!\n");
+				res = IPACM_FAILURE;
+				goto fail;
+			}
+		}
+	}
+	IPACMDBG_H("finished deleting default RT rules\n ");
+
+	eth_bridge_post_event(IPA_ETH_BRIDGE_IFACE_DOWN, IPA_IP_MAX, NULL, NULL, NULL);
+
+	/* free the wlan clients cache */
+	IPACMDBG_H("Free wlan clients cache\n");
+
+	/* Delete private subnet*/
+#ifdef FEATURE_IPA_ANDROID
+	if (ip_type != IPA_IP_v6)
+	{
+		IPACMDBG_H("current IPACM private subnet_addr number(%d)\n", IPACM_Iface::ipacmcfg->ipa_num_private_subnet);
+		IPACMDBG_H(" Delete IPACM private subnet_addr as: 0x%x \n", if_ipv4_subnet);
+		if(IPACM_Iface::ipacmcfg->DelPrivateSubnet(if_ipv4_subnet, ipa_if_num) == false)
+		{
+			IPACMERR(" can't Delete IPACM private subnet_addr as: 0x%x \n", if_ipv4_subnet);
+		}
+	}
+	/* reset the IPA-client pipe enum */
+#ifdef FEATURE_IPACM_HAL
+	handle_tethering_client(true, IPACM_CLIENT_MAX);
+#else
+	handle_tethering_client(true, IPACM_CLIENT_WLAN);
+#endif
+#endif /* defined(FEATURE_IPA_ANDROID)*/
+
+fail:
+	/* clean wifi-client header, routing rules */
+	/* clean wifi client rule*/
+	IPACMDBG_H("left %d wifi clients need to be deleted \n ", num_wifi_client);
+	for (i = 0; i < num_wifi_client; i++)
+	{
+		/* First reset nat rules and then route rules */
+		if(get_client_memptr(wlan_client, i)->ipv4_set == true)
+		{
+	        IPACMDBG_H("Clean Nat Rules for ipv4:0x%x\n", get_client_memptr(wlan_client, i)->v4_addr);
+			CtList->HandleNeighIpAddrDelEvt(get_client_memptr(wlan_client, i)->v4_addr);
+		}
+
+		if (delete_default_qos_rtrules(i, IPA_IP_v4))
+		{
+			IPACMERR("unbale to delete v4 default qos route rules for index: %d\n", i);
+			res = IPACM_FAILURE;
+		}
+
+		if (delete_default_qos_rtrules(i, IPA_IP_v6))
+		{
+			IPACMERR("unbale to delete v6 default qos route rules for index: %d\n", i);
+			res = IPACM_FAILURE;
+		}
+
+		IPACMDBG_H("Delete %d client header\n", num_wifi_client);
+
+		if(get_client_memptr(wlan_client, i)->ipv4_header_set == true)
+		{
+			if (m_header.DeleteHeaderHdl(get_client_memptr(wlan_client, i)->hdr_hdl_v4)
+				== false)
+			{
+				res = IPACM_FAILURE;
+			}
+		}
+
+		if(get_client_memptr(wlan_client, i)->ipv6_header_set == true)
+		{
+			if (m_header.DeleteHeaderHdl(get_client_memptr(wlan_client, i)->hdr_hdl_v6)
+					== false)
+			{
+				res = IPACM_FAILURE;
+			}
+		}
+	} /* end of for loop */
+
+	/* check software routing fl rule hdl */
+	if (softwarerouting_act == true && rx_prop != NULL )
+	{
+		IPACMDBG_H("Delete sw routing filtering rules\n");
+		IPACM_Iface::handle_software_routing_disable();
+	}
+	IPACMDBG_H("finished delete software-routing filtering rules\n ");
+
+	/* Delete corresponding ipa_rm_resource_name of RX-endpoint after delete all IPV4V6 FT-rule */
+	if (rx_prop != NULL)
+	{
+		IPACMDBG_H("dev %s add producer dependency\n", dev_name);
+		IPACMDBG_H("depend Got pipe %d rm index : %d \n", rx_prop->rx[0].src_pipe, IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[rx_prop->rx[0].src_pipe]);
+		IPACM_Iface::ipacmcfg->DelRmDepend(IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[rx_prop->rx[0].src_pipe]);
+		free(rx_prop);
+	}
+
+	for (i = 0; i < num_wifi_client; i++)
+	{
+		if(get_client_memptr(wlan_client, i)->p_hdr_info != NULL)
+		{
+			free(get_client_memptr(wlan_client, i)->p_hdr_info);
+		}
+	}
+	if(wlan_client != NULL)
+	{
+		free(wlan_client);
+	}
+	if (tx_prop != NULL)
+	{
+		free(tx_prop);
+	}
+
+	if (iface_query != NULL)
+	{
+		free(iface_query);
+	}
+
+	is_active = false;
+	post_del_self_evt();
+
+	return res;
+}
+
+/*handle reset wifi-client rt-rules */
+int IPACM_Wlan::handle_wlan_client_reset_rt(ipa_ip_type iptype)
+{
+	uint32_t i;
+	int res = IPACM_SUCCESS;
+
+	/* clean wifi-client routing rules */
+	IPACMDBG_H("left %d wifi clients to reset ip-type(%d) rules \n ", num_wifi_client, iptype);
+
+	for (i = 0; i < num_wifi_client; i++)
+	{
+		/* Reset RT rules */
+		res = delete_default_qos_rtrules(i, iptype);
+		if (res != IPACM_SUCCESS)
+		{
+			IPACMERR("Failed to delete old iptype(%d) rules.\n", iptype);
+			return res;
+		}
+
+		/* Reset ip-address */
+		if(iptype == IPA_IP_v4)
+		{
+			get_client_memptr(wlan_client, i)->ipv4_set = false;
+		}
+		else
+		{
+			get_client_memptr(wlan_client, i)->ipv6_set = 0;
+		}
+	} /* end of for loop */
+	return res;
+}
+
+void IPACM_Wlan::handle_SCC_MCC_switch(ipa_ip_type iptype)
+{
+	struct ipa_ioc_mdfy_rt_rule *rt_rule = NULL;
+	struct ipa_rt_rule_mdfy *rt_rule_entry;
+	uint32_t tx_index;
+	int wlan_index, v6_num;
+	const int NUM = 1;
+	int num_wifi_client_tmp = IPACM_Wlan::num_wifi_client;
+	bool isAdded = false;
+
+	if (tx_prop == NULL)
+	{
+		IPACMDBG_H("No rx properties registered for iface %s\n", dev_name);
+		return;
+	}
+
+	if (rt_rule == NULL)
+	{
+		rt_rule = (struct ipa_ioc_mdfy_rt_rule *)
+			calloc(1, sizeof(struct ipa_ioc_mdfy_rt_rule) +
+					NUM * sizeof(struct ipa_rt_rule_mdfy));
+
+		if (rt_rule == NULL)
+		{
+			PERROR("Error Locate ipa_ioc_mdfy_rt_rule memory...\n");
+			return;
+		}
+
+		rt_rule->commit = 0;
+		rt_rule->num_rules = NUM;
+		rt_rule->ip = iptype;
+	}
+	rt_rule_entry = &rt_rule->rules[0];
+
+	/* modify ipv4 routing rule */
+	if (iptype == IPA_IP_v4)
+	{
+		for (wlan_index = 0; wlan_index < num_wifi_client_tmp; wlan_index++)
+		{
+			IPACMDBG_H("wlan client index: %d, ip-type: %d, ipv4_set:%d, ipv4_rule_set:%d \n",
+					wlan_index, iptype,
+					get_client_memptr(wlan_client, wlan_index)->ipv4_set,
+					get_client_memptr(wlan_client, wlan_index)->route_rule_set_v4);
+
+			if (get_client_memptr(wlan_client, wlan_index)->power_save_set == true ||
+					get_client_memptr(wlan_client, wlan_index)->route_rule_set_v4 == false)
+			{
+				IPACMDBG_H("client %d route rules not set\n", wlan_index);
+				continue;
+			}
+
+			IPACMDBG_H("Modify client %d route rule\n", wlan_index);
+			for (tx_index = 0; tx_index < iface_query->num_tx_props; tx_index++)
+			{
+				if (iptype != tx_prop->tx[tx_index].ip)
+				{
+					IPACMDBG_H("Tx:%d, ip-type: %d ip-type not matching: %d ignore\n",
+							tx_index, tx_prop->tx[tx_index].ip, iptype);
+					continue;
+				}
+
+				IPACMDBG_H("client index(%d):ipv4 address: 0x%x\n", wlan_index,
+						get_client_memptr(wlan_client, wlan_index)->v4_addr);
+
+				IPACMDBG_H("client(%d): v4 header handle:(0x%x)\n",
+						wlan_index,
+						get_client_memptr(wlan_client, wlan_index)->hdr_hdl_v4);
+
+				if (IPACM_Iface::ipacmcfg->isMCC_Mode)
+				{
+					IPACMDBG_H("In MCC mode, use alt dst pipe: %d\n",
+							tx_prop->tx[tx_index].alt_dst_pipe);
+					rt_rule_entry->rule.dst = tx_prop->tx[tx_index].alt_dst_pipe;
+				}
+				else
+				{
+					rt_rule_entry->rule.dst = tx_prop->tx[tx_index].dst_pipe;
+				}
+
+				memcpy(&rt_rule_entry->rule.attrib,
+						&tx_prop->tx[tx_index].attrib,
+						sizeof(rt_rule_entry->rule.attrib));
+
+				rt_rule_entry->rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
+				rt_rule_entry->rule.hdr_hdl = get_client_memptr(wlan_client, wlan_index)->hdr_hdl_v4;
+
+				rt_rule_entry->rule.attrib.u.v4.dst_addr = get_client_memptr(wlan_client, wlan_index)->v4_addr;
+				rt_rule_entry->rule.attrib.u.v4.dst_addr_mask = 0xFFFFFFFF;
+
+				IPACMDBG_H("tx:%d, rt rule hdl=%x ip-type: %d\n", tx_index,
+						get_client_memptr(wlan_client, wlan_index)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v4, iptype);
+
+				rt_rule_entry->rt_rule_hdl =
+					get_client_memptr(wlan_client, wlan_index)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v4;
+
+				if (false == m_routing.ModifyRoutingRule(rt_rule))
+				{
+					IPACMERR("Routing rule modify failed!\n");
+					free(rt_rule);
+					return;
+				}
+				isAdded = true;
+			}
+
+		}
+	}
+
+	/* modify ipv6 routing rule */
+	if (iptype == IPA_IP_v6)
+	{
+		for (wlan_index = 0; wlan_index < num_wifi_client_tmp; wlan_index++)
+		{
+
+			IPACMDBG_H("wlan client index: %d, ip-type: %d, ipv6_set:%d, ipv6_rule_num:%d \n", wlan_index, iptype,
+					get_client_memptr(wlan_client, wlan_index)->ipv6_set,
+					get_client_memptr(wlan_client, wlan_index)->route_rule_set_v6);
+
+			if (get_client_memptr(wlan_client, wlan_index)->power_save_set == true ||
+					(get_client_memptr(wlan_client, wlan_index)->route_rule_set_v6 <
+					 get_client_memptr(wlan_client, wlan_index)->ipv6_set) )
+			{
+				IPACMDBG_H("client %d route rules not set\n", wlan_index);
+				continue;
+			}
+
+			IPACMDBG_H("Modify client %d route rule\n", wlan_index);
+			for (tx_index = 0; tx_index < iface_query->num_tx_props; tx_index++)
+			{
+				if (iptype != tx_prop->tx[tx_index].ip)
+				{
+					IPACMDBG_H("Tx:%d, ip-type: %d ip-type not matching: %d Ignore\n",
+							tx_index, tx_prop->tx[tx_index].ip, iptype);
+					continue;
+				}
+
+				for (v6_num = get_client_memptr(wlan_client, wlan_index)->route_rule_set_v6;
+						v6_num < get_client_memptr(wlan_client, wlan_index)->ipv6_set;
+						v6_num++)
+				{
+
+					IPACMDBG_H("client(%d): v6 header handle:(0x%x)\n",
+							wlan_index,
+							get_client_memptr(wlan_client, wlan_index)->hdr_hdl_v6);
+
+					if (IPACM_Iface::ipacmcfg->isMCC_Mode)
+					{
+						IPACMDBG_H("In MCC mode, use alt dst pipe: %d\n",
+								tx_prop->tx[tx_index].alt_dst_pipe);
+						rt_rule_entry->rule.dst = tx_prop->tx[tx_index].alt_dst_pipe;
+					}
+					else
+					{
+						rt_rule_entry->rule.dst = tx_prop->tx[tx_index].dst_pipe;
+					}
+
+					memcpy(&rt_rule_entry->rule.attrib,
+							&tx_prop->tx[tx_index].attrib,
+							sizeof(rt_rule_entry->rule.attrib));
+
+					rt_rule_entry->rule.hdr_hdl = get_client_memptr(wlan_client, wlan_index)->hdr_hdl_v6;
+					rt_rule_entry->rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
+
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[0] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][0];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][1];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][2];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = get_client_memptr(wlan_client, wlan_index)->v6_addr[v6_num][3];
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[0] = 0xFFFFFFFF;
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[1] = 0xFFFFFFFF;
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[2] = 0xFFFFFFFF;
+					rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[3] = 0xFFFFFFFF;
+
+					rt_rule_entry->rt_rule_hdl =
+						get_client_memptr(wlan_client, wlan_index)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6_wan[v6_num];
+
+					if (false == m_routing.ModifyRoutingRule(rt_rule))
+					{
+						IPACMERR("Routing rule modify failed!\n");
+						free(rt_rule);
+						return;
+					}
+					isAdded = true;
+				}
+			}
+
+		}
+	}
+
+
+	if (isAdded)
+	{
+		if (false == m_routing.Commit(iptype))
+		{
+			IPACMERR("Routing rule modify commit failed!\n");
+			free(rt_rule);
+			return;
+		}
+
+		IPACMDBG("Routing rule modified successfully \n");
+	}
+
+	if(rt_rule)
+	{
+		free(rt_rule);
+	}
+	return;
+}
+
+void IPACM_Wlan::eth_bridge_handle_wlan_mode_switch()
+{
+	uint32_t i;
+
+	/* ====== post events to mimic WLAN interface goes down/up when AP mode is changing ====== */
+
+	/* first post IFACE_DOWN event */
+	eth_bridge_post_event(IPA_ETH_BRIDGE_IFACE_DOWN, IPA_IP_MAX, NULL, NULL, NULL);
+
+	/* then post IFACE_UP event */
+	if(ip_type == IPA_IP_v4 || ip_type == IPA_IP_MAX)
+	{
+		eth_bridge_post_event(IPA_ETH_BRIDGE_IFACE_UP, IPA_IP_v4, NULL, NULL, NULL);
+	}
+	if(ip_type == IPA_IP_v6 || ip_type == IPA_IP_MAX)
+	{
+		eth_bridge_post_event(IPA_ETH_BRIDGE_IFACE_UP, IPA_IP_v6, NULL, NULL, NULL);
+	}
+
+	/* at last post CLIENT_ADD event */
+	for(i = 0; i < num_wifi_client; i++)
+	{
+		eth_bridge_post_event(IPA_ETH_BRIDGE_CLIENT_ADD, IPA_IP_MAX,
+			get_client_memptr(wlan_client, i)->mac, NULL, NULL);
+	}
+
+	return;
+}
+
+bool IPACM_Wlan::is_guest_ap()
+{
+	return m_is_guest_ap;
+}