ipacm/src/IPACM_Wan.cpp

/*
Copyright (c) 2013-2019 The Linux Foundation. All rights reserved.

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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
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			with the distribution.
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			contributors may be used to endorse or promote products derived
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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*/
/*!
		@file
		IPACM_Wan.cpp

		@brief
		This file implements the WAN iface functionality.

		@Author
		Skylar Chang

*/
#include <string.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <IPACM_Wan.h>
#include <IPACM_Xml.h>
#include <IPACM_Log.h>
#include "IPACM_EvtDispatcher.h"
#include <IPACM_IfaceManager.h>
#include "linux/rmnet_ipa_fd_ioctl.h"
#include "IPACM_Config.h"
#include "IPACM_Defs.h"
#include <IPACM_ConntrackListener.h>
#include "linux/ipa_qmi_service_v01.h"
#ifdef FEATURE_IPACM_HAL
#include "IPACM_OffloadManager.h"
#endif

bool IPACM_Wan::wan_up = false;
bool IPACM_Wan::wan_up_v6 = false;
uint8_t IPACM_Wan::xlat_mux_id = 0;

uint32_t IPACM_Wan::curr_wan_ip = 0;
int IPACM_Wan::num_v4_flt_rule = 0;
int IPACM_Wan::num_v6_flt_rule = 0;

int IPACM_Wan::ipa_pm_q6_check = 0;

struct ipa_flt_rule_add IPACM_Wan::flt_rule_v4[IPA_MAX_FLT_RULE];
struct ipa_flt_rule_add IPACM_Wan::flt_rule_v6[IPA_MAX_FLT_RULE];

char IPACM_Wan::wan_up_dev_name[IF_NAME_LEN];

ipacm_wan_iface_type IPACM_Wan::backhaul_mode = Q6_WAN;
bool IPACM_Wan::is_ext_prop_set = false;

int IPACM_Wan::num_ipv4_modem_pdn = 0;
int IPACM_Wan::num_ipv6_modem_pdn = 0;

bool IPACM_Wan::embms_is_on = false;
bool IPACM_Wan::backhaul_is_wan_bridge = false;
bool IPACM_Wan::is_xlat = false;

ipacm_coalesce IPACM_Wan::coalesce_enable_info[IPA_MAX_NUM_SW_PDNS];

uint32_t IPACM_Wan::backhaul_ipv6_prefix[2];

#ifdef FEATURE_IPA_ANDROID
uint32_t	IPACM_Wan::ipa_if_num_tether_v4_total = 0;
uint32_t	IPACM_Wan::ipa_if_num_tether_v6_total = 0;

int	IPACM_Wan::ipa_if_num_tether_v4[IPA_MAX_IFACE_ENTRIES];
int	IPACM_Wan::ipa_if_num_tether_v6[IPA_MAX_IFACE_ENTRIES];
#endif

IPACM_Wan::IPACM_Wan(int iface_index,
	ipacm_wan_iface_type is_sta_mode,
	uint8_t *mac_addr) : IPACM_Iface(iface_index)
{
	num_firewall_v4 = 0;
	num_firewall_v6 = 0;
	wan_route_rule_v4_hdl = NULL;
	wan_route_rule_v6_hdl = NULL;
	wan_route_rule_v6_hdl_a5 = NULL;
	wan_client = NULL;
	mac_addr = NULL;

	if(iface_query != NULL)
	{
		wan_route_rule_v4_hdl = (uint32_t *)calloc(iface_query->num_tx_props, sizeof(uint32_t));
		wan_route_rule_v6_hdl = (uint32_t *)calloc(iface_query->num_tx_props, sizeof(uint32_t));
		wan_route_rule_v6_hdl_a5 = (uint32_t *)calloc(iface_query->num_tx_props, sizeof(uint32_t));
		IPACMDBG_H("IPACM->IPACM_Wan(%d) constructor: Tx:%d\n", ipa_if_num, iface_query->num_tx_props);
	}

	wan_v4_addr_set = false;
	wan_v4_addr_gw_set = false;
	wan_v6_addr_gw_set = false;
	active_v4 = false;
	active_v6 = false;
	header_set_v4 = false;
	header_set_v6 = false;
	header_partial_default_wan_v4 = false;
	header_partial_default_wan_v6 = false;
	hdr_hdl_sta_v4 = 0;
	hdr_hdl_sta_v6 = 0;
	num_ipv6_dest_flt_rule = 0;
	memset(ipv6_dest_flt_rule_hdl, 0, MAX_DEFAULT_v6_ROUTE_RULES*sizeof(uint32_t));
	memset(ipv6_prefix, 0, sizeof(ipv6_prefix));
	memset(wan_v6_addr_gw, 0, sizeof(wan_v6_addr_gw));
	ext_prop = NULL;
	is_ipv6_frag_firewall_flt_rule_installed = false;
	ipv6_frag_firewall_flt_rule_hdl = 0;

	num_wan_client = 0;
	header_name_count = 0;
	memset(invalid_mac, 0, sizeof(invalid_mac));

	is_xlat_local = false;
	hdr_hdl_dummy_v6 = 0;
	hdr_proc_hdl_dummy_v6 = 0;
	is_default_gateway = false;
	m_fd_ipa = 0;
	wan_client_len = 0;
	m_is_sta_mode = is_sta_mode;

	if(iface_query != NULL)
	{
		IPACMDBG_H("index:%d constructor: Tx properties:%d\n", iface_index, iface_query->num_tx_props);

		if(is_sta_mode == Q6_WAN)
		{
			query_ext_prop();

			if ((iface_query->num_ext_props == 1) && ((ext_prop != NULL) && ext_prop->ext[0].ip == IPA_IP_MAX))
			{
				/* only has one ext properties with IP_MAX type, will be the mhi-modem */
				IPACMDBG_H("One extended property for iface %s, replace %d to Q6_MHI_WAN\n", dev_name, is_sta_mode);
				m_is_sta_mode = Q6_MHI_WAN;
			}
			else
			{
				IPACMDBG_H("The new WAN interface is modem.\n");
				m_is_sta_mode = is_sta_mode;
				is_default_gateway = false;
			}
		}
		else
		{
			m_is_sta_mode = is_sta_mode;
			IPACMDBG_H("The new WAN interface is WLAN STA.\n");
		}

		wan_client_len = (sizeof(ipa_wan_client)) + (iface_query->num_tx_props * sizeof(wan_client_rt_hdl));
		wan_client = (ipa_wan_client *)calloc(IPA_MAX_NUM_WAN_CLIENTS, wan_client_len);
		if (wan_client == NULL)
		{
			IPACMERR("unable to allocate memory\n");
			return;
		}
	}
	else
	{
		IPACMDBG_H("iface_query is empty.\n");
		return;
	}

	m_fd_ipa = open(IPA_DEVICE_NAME, O_RDWR);
	if(0 == m_fd_ipa)
	{
		IPACMERR("Failed to open %s\n",IPA_DEVICE_NAME);
	}

	if(IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_cat == EMBMS_IF)
	{
		IPACMDBG(" IPACM->IPACM_Wan_eMBMS(%d)\n", ipa_if_num);
		embms_is_on = true;
		install_wan_filtering_rule(false);
		if(IPACM_Iface::ipacmcfg->GetIPAVer() >= IPA_HW_None && IPACM_Iface::ipacmcfg->GetIPAVer() < IPA_HW_v4_0)
		{
			/* Add corresponding ipa_rm_resource_name of TX-endpoint up before IPV6 RT-rule set */
			if(tx_prop != NULL)
			{
				IPACMDBG_H("dev %s add producer dependency\n", dev_name);
				IPACMDBG_H("depend Got pipe %d rm index : %d \n", tx_prop->tx[0].dst_pipe, IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe]);
				IPACM_Iface::ipacmcfg->AddRmDepend(IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe],false);
			}
		}
	}
	else
	{
		IPACMDBG(" IPACM->IPACM_Wan(%d)\n", ipa_if_num);
	}
	return;
}

IPACM_Wan::~IPACM_Wan()
{
	IPACM_EvtDispatcher::deregistr(this);
	IPACM_IfaceManager::deregistr(this);
	return;
}

/* handle new_address event */
int IPACM_Wan::handle_addr_evt(ipacm_event_data_addr *data)
{
	struct ipa_ioc_add_rt_rule *rt_rule = NULL;
	struct ipa_rt_rule_add *rt_rule_entry;
	struct ipa_ioc_add_flt_rule *flt_rule;
	struct ipa_flt_rule_add flt_rule_entry;
	struct ipa_ioc_get_hdr hdr;

	const int NUM_RULES = 1;
	uint32_t num_ipv6_addr;
	int res = IPACM_SUCCESS,len;
#ifdef FEATURE_IPACM_HAL
	IPACM_OffloadManager* OffloadMng;
#endif

	memset(&hdr, 0, sizeof(hdr));
	if(tx_prop == NULL || rx_prop == NULL)
	{
		IPACMDBG_H("Either tx or rx property is NULL, return.\n");
		return IPACM_SUCCESS;
	}

	/* Update the IP Type. */
	config_ip_type(data->iptype);

	if (data->iptype == IPA_IP_v6)
	{
		for(num_ipv6_addr=0;num_ipv6_addr<num_dft_rt_v6;num_ipv6_addr++)
		{
			if((ipv6_addr[num_ipv6_addr][0] == data->ipv6_addr[0]) &&
			   (ipv6_addr[num_ipv6_addr][1] == data->ipv6_addr[1]) &&
			   (ipv6_addr[num_ipv6_addr][2] == data->ipv6_addr[2]) &&
			   (ipv6_addr[num_ipv6_addr][3] == data->ipv6_addr[3]))
			{
				IPACMDBG_H("find matched ipv6 address, index:%d \n", num_ipv6_addr);
				return IPACM_SUCCESS;
				break;
			}
		}
		rt_rule = (struct ipa_ioc_add_rt_rule *)
			calloc(1, sizeof(struct ipa_ioc_add_rt_rule) +
				NUM_RULES * sizeof(struct ipa_rt_rule_add));

		if (!rt_rule)
		{
			IPACMERR("Error Locate ipa_ioc_add_rt_rule memory...\n");
			return IPACM_FAILURE;
		}

		rt_rule->commit = 1;
		rt_rule->num_rules = NUM_RULES;
		rt_rule->ip = data->iptype;
		/* setup RT rule for v6_lan table*/
		strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_v6.name, sizeof(rt_rule->rt_tbl_name));

		rt_rule_entry = &rt_rule->rules[0];
		rt_rule_entry->at_rear = false;
		rt_rule_entry->rule.attrib.attrib_mask = IPA_FLT_DST_ADDR;
		rt_rule_entry->rule.attrib.u.v6.dst_addr[0] = data->ipv6_addr[0];
		rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = data->ipv6_addr[1];
		rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = data->ipv6_addr[2];
		rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = data->ipv6_addr[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;
		ipv6_addr[num_dft_rt_v6][0] = data->ipv6_addr[0];
		ipv6_addr[num_dft_rt_v6][1] = data->ipv6_addr[1];
		ipv6_addr[num_dft_rt_v6][2] = data->ipv6_addr[2];
		ipv6_addr[num_dft_rt_v6][3] = data->ipv6_addr[3];
#ifdef FEATURE_IPA_V3
		rt_rule_entry->rule.hashable = false;
#endif
		if(m_is_sta_mode == Q6_WAN)
		{
			strlcpy(hdr.name, tx_prop->tx[0].hdr_name, sizeof(hdr.name));
			hdr.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
			if(m_header.GetHeaderHandle(&hdr) == false)
			{
				IPACMERR("Failed to get QMAP header.\n");
				return IPACM_FAILURE;
			}
			rt_rule_entry->rule.hdr_hdl = hdr.hdl;
			rt_rule_entry->rule.dst = IPA_CLIENT_APPS_WAN_CONS;
			/* legacy default v4 rt-rule */
#ifdef IPA_RT_SUPPORT_COAL
			rt_rule_entry->rule.coalesce = false;
#endif
			/* legacy default v6 rt-rule */
			if (false == m_routing.AddRoutingRule(rt_rule))
			{
				IPACMERR("Routing rule addition failed!\n");
				res = IPACM_FAILURE;
				goto fail;
			}
			else if (rt_rule_entry->status)
			{
				IPACMERR("rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				res = rt_rule_entry->status;
				goto fail;
			}
			dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6] = rt_rule_entry->rt_rule_hdl;

			/* setup same rule for v6_wan table*/
			strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.name, sizeof(rt_rule->rt_tbl_name));
			if (false == m_routing.AddRoutingRule(rt_rule))
			{
				IPACMERR("Routing rule addition failed!\n");
				res = IPACM_FAILURE;
				goto fail;
		}
			else if (rt_rule_entry->status)
		{
				IPACMERR("rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				res = rt_rule_entry->status;
				goto fail;
		}
			dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6+1] = rt_rule_entry->rt_rule_hdl;

			IPACMDBG_H("ipv6 wan iface rt-rule hdl=0x%x hdl=0x%x, entry: %d %d\n",
					dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6],
					dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6+1],
					MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6,
					MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6+1);
			/* RSC TCP rule*/
			rt_rule_entry->rule.attrib.attrib_mask |= IPA_FLT_NEXT_HDR;
			rt_rule_entry->rule.attrib.u.v6.next_hdr = (uint8_t)IPACM_FIREWALL_IPPROTO_TCP;
#ifdef IPA_RT_SUPPORT_COAL
			if (IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_tcp_enable)
				rt_rule_entry->rule.coalesce = true;
		else
				rt_rule_entry->rule.coalesce = false;
#endif
			if (false == m_routing.AddRoutingRule(rt_rule))
		{
				IPACMERR("Routing rule addition failed!\n");
				res = IPACM_FAILURE;
				goto fail;
			}
			else if (rt_rule_entry->status)
			{
				IPACMERR("rsc tcp rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				res = rt_rule_entry->status;
				goto fail;
		}
			dft_coalesce_rt_rule_hdl[2*MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6] = rt_rule_entry->rt_rule_hdl;
			IPACMDBG_H("ipv6 wan iface rsc tcp rt-rule hdll=0x%x\n enable(%d), entry %d", dft_coalesce_rt_rule_hdl[2*MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6],
				IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_tcp_enable,
				2*MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6);
			/* RSB UDP rule*/
			rt_rule_entry->rule.attrib.u.v6.next_hdr = (uint8_t)IPACM_FIREWALL_IPPROTO_UDP;
#ifdef IPA_RT_SUPPORT_COAL
			if (IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_udp_enable)
				rt_rule_entry->rule.coalesce = true;
			else
				rt_rule_entry->rule.coalesce = false;
#endif
		if (false == m_routing.AddRoutingRule(rt_rule))
		{
			IPACMERR("Routing rule addition failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		else if (rt_rule_entry->status)
		{
				IPACMERR("rsb udp rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				res = rt_rule_entry->status;
				goto fail;
			}
			dft_coalesce_rt_rule_hdl[2*MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6+1] = rt_rule_entry->rt_rule_hdl;
			IPACMDBG_H("ipv6 wan iface rsb udp rt-rule hdll=0x%x\n enable(%d) entry %d", dft_coalesce_rt_rule_hdl[2*MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6+1],
				IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_udp_enable,
				2*MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6+1);
		}
		else
		{
			rt_rule_entry->rule.dst = IPA_CLIENT_APPS_LAN_CONS;
			/* legacy default v6 rt-rule */
			if (false == m_routing.AddRoutingRule(rt_rule))
			{
				IPACMERR("Routing rule addition failed!\n");
				res = IPACM_FAILURE;
				goto fail;
			}
			else if (rt_rule_entry->status)
			{
			IPACMERR("rt rule adding failed. Result=%d\n", rt_rule_entry->status);
			res = rt_rule_entry->status;
			goto fail;
		}
		dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6] = rt_rule_entry->rt_rule_hdl;

		/* setup same rule for v6_wan table*/
		strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.name, sizeof(rt_rule->rt_tbl_name));
		if (false == m_routing.AddRoutingRule(rt_rule))
		{
			IPACMERR("Routing rule addition failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		else if (rt_rule_entry->status)
		{
			IPACMERR("rt rule adding failed. Result=%d\n", rt_rule_entry->status);
			res = rt_rule_entry->status;
			goto fail;
		}
		dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6+1] = rt_rule_entry->rt_rule_hdl;

			IPACMDBG_H("ipv6 wan iface rt-rule hdl=0x%x hdl=0x%x, entry: %d  %d\n",
				dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6],
					dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6+1],
					MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6,
					MAX_DEFAULT_v4_ROUTE_RULES + 2*num_dft_rt_v6+1);
		}

		/* add default filtering rules when wan-iface get global v6-prefix */
		if (num_dft_rt_v6 == 1)
		{
			if(m_is_sta_mode == Q6_WAN)
			{
				modem_ipv6_pdn_index = num_ipv6_modem_pdn;
				num_ipv6_modem_pdn++;
				IPACMDBG_H("Now the number of modem ipv6 pdn is %d.\n", num_ipv6_modem_pdn);
				init_fl_rule_ex(data->iptype);
			}
			else if(m_is_sta_mode == Q6_MHI_WAN)
			{
				IPACMDBG_H(" Has rx/tx properties registered for iface %s, add for NATTING for ip-family %d \n", dev_name, IPA_IP_v6);
				IPACM_Iface::ipacmcfg->AddNatIfaces(dev_name, IPA_IP_v6);
			}
			else
			{
				init_fl_rule(data->iptype);
			}
		}

		/* add WAN DL interface IP specific flt rule for IPv6 when backhaul is not Q6 */
		if(m_is_sta_mode != Q6_WAN)
		{
			if(rx_prop != NULL && is_global_ipv6_addr(data->ipv6_addr)
				&& num_ipv6_dest_flt_rule < MAX_DEFAULT_v6_ROUTE_RULES)
			{
				len = sizeof(struct ipa_ioc_add_flt_rule) + sizeof(struct ipa_flt_rule_add);

				flt_rule = (struct ipa_ioc_add_flt_rule *)calloc(1, len);
				if (!flt_rule)
				{
					IPACMERR("Error Locate ipa_flt_rule_add memory...\n");
					return IPACM_FAILURE;
				}

				flt_rule->commit = 1;
				flt_rule->ep = rx_prop->rx[0].src_pipe;
				flt_rule->global = false;
				flt_rule->ip = IPA_IP_v6;
				flt_rule->num_rules = 1;

				memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

				flt_rule_entry.rule.retain_hdr = 1;
				flt_rule_entry.rule.to_uc = 0;
				flt_rule_entry.rule.eq_attrib_type = 0;
				flt_rule_entry.at_rear = true;
				flt_rule_entry.flt_rule_hdl = -1;
				flt_rule_entry.status = -1;
				flt_rule_entry.rule.action = IPA_PASS_TO_EXCEPTION;
#ifdef FEATURE_IPA_V3
				flt_rule_entry.rule.hashable = true;
#endif
				memcpy(&flt_rule_entry.rule.attrib, &rx_prop->rx[0].attrib, sizeof(flt_rule_entry.rule.attrib));

				flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
				memcpy(flt_rule_entry.rule.attrib.u.v6.dst_addr, data->ipv6_addr, sizeof(flt_rule_entry.rule.attrib.u.v6.dst_addr));
				flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[0] = 0xFFFFFFFF;
				flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[1] = 0xFFFFFFFF;
				flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[2] = 0xFFFFFFFF;
				flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[3] = 0xFFFFFFFF;
				memcpy(&(flt_rule->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

				if (m_filtering.AddFilteringRule(flt_rule) == false)
				{
					IPACMERR("Error Adding Filtering rule, aborting...\n");
					free(flt_rule);
					res = IPACM_FAILURE;
					goto fail;
				}
				else
				{
					IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
					ipv6_dest_flt_rule_hdl[num_ipv6_dest_flt_rule] = flt_rule->rules[0].flt_rule_hdl;
					IPACMDBG_H("IPv6 dest filter rule %d HDL:0x%x\n", num_ipv6_dest_flt_rule, ipv6_dest_flt_rule_hdl[num_ipv6_dest_flt_rule]);
					num_ipv6_dest_flt_rule++;
					free(flt_rule);
				}
			}
		}
		/* store ipv6 prefix if the ipv6 address is not link local */
		if(is_global_ipv6_addr(data->ipv6_addr))
		{
			memcpy(ipv6_prefix, data->ipv6_addr, sizeof(ipv6_prefix));
		}
	    num_dft_rt_v6++;
    }
	else
	{
		if(wan_v4_addr_set)
		{
			/* check iface ipv4 same or not */
			if(data->ipv4_addr == wan_v4_addr)
			{
				IPACMDBG_H("Already setup device (%s) ipv4 and it didn't change(0x%x)\n", dev_name, data->ipv4_addr);
				return IPACM_SUCCESS;
			}
			else
			{
				IPACMDBG_H(" device (%s) ipv4 addr is changed\n", dev_name);
				/* Delete default Coalese v4 RT rule */
				if (m_is_sta_mode == Q6_WAN) {
					if (m_routing.DeleteRoutingHdl(dft_coalesce_rt_rule_hdl[0], IPA_IP_v4) == false)
					{
						IPACMERR("Routing old RSC TCP RT rule deletion failed!\n");
						res = IPACM_FAILURE;
						goto fail;
					}
					if (m_routing.DeleteRoutingHdl(dft_coalesce_rt_rule_hdl[1], IPA_IP_v4) == false)
					{
						IPACMERR("Routing old RSB UDP RT rule deletion failed!\n");
						res = IPACM_FAILURE;
						goto fail;
					}
				}
				/* Delete default v4 RT rule */
				IPACMDBG_H("Delete default v4 routing rules\n");
				if (m_routing.DeleteRoutingHdl(dft_rt_rule_hdl[0], IPA_IP_v4) == false)
				{
					IPACMERR("Routing old RT rule deletion failed!\n");
					res = IPACM_FAILURE;
					goto fail;
				}
			}
		}

		rt_rule = (struct ipa_ioc_add_rt_rule *)
			 calloc(1, sizeof(struct ipa_ioc_add_rt_rule) +
							NUM_RULES * sizeof(struct ipa_rt_rule_add));

		if (!rt_rule)
		{
			IPACMERR("Error Locate ipa_ioc_add_rt_rule memory...\n");
			return IPACM_FAILURE;
		}

		rt_rule->commit = 1;
		rt_rule->num_rules = NUM_RULES;
		rt_rule->ip = data->iptype;
		rt_rule_entry = &rt_rule->rules[0];
		rt_rule_entry->at_rear = false;
		rt_rule_entry->rule.attrib.attrib_mask = IPA_FLT_DST_ADDR;
		/* still need setup v4 default routing rule to A5*/
		strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_lan_v4.name, sizeof(rt_rule->rt_tbl_name));
		rt_rule_entry->rule.attrib.u.v4.dst_addr      = data->ipv4_addr;
		rt_rule_entry->rule.attrib.u.v4.dst_addr_mask = 0xFFFFFFFF;
#ifdef FEATURE_IPA_V3
		rt_rule_entry->rule.hashable = false;
#endif
		if(m_is_sta_mode == Q6_WAN)
		{
			/* query qmap header*/
			strlcpy(hdr.name, tx_prop->tx[0].hdr_name, sizeof(hdr.name));
			hdr.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
			if(m_header.GetHeaderHandle(&hdr) == false)
			{
				IPACMERR("Failed to get QMAP header.\n");
				res = IPACM_FAILURE;
				goto fail;
			}
			rt_rule_entry->rule.hdr_hdl = hdr.hdl;
			rt_rule_entry->rule.dst = IPA_CLIENT_APPS_WAN_CONS;
			/* legacy default v4 rt-rule */
#ifdef IPA_RT_SUPPORT_COAL
			rt_rule_entry->rule.coalesce = false;
#endif
			/* legacy default v4 rt-rule */
			if (false == m_routing.AddRoutingRule(rt_rule))
			{
				IPACMERR("Routing rule addition failed!\n");
				res = IPACM_FAILURE;
				goto fail;
			}
			else if (rt_rule_entry->status)
			{
				IPACMERR("rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				res = rt_rule_entry->status;
				goto fail;
		}
			dft_rt_rule_hdl[0] = rt_rule_entry->rt_rule_hdl;
			IPACMDBG_H("ipv4 wan iface rt-rule hdll=0x%x\n", dft_rt_rule_hdl[0]);
			/* RSC TCP rule*/
			rt_rule_entry->rule.attrib.attrib_mask |= IPA_FLT_PROTOCOL;
			rt_rule_entry->rule.attrib.u.v4.protocol = (uint8_t)IPACM_FIREWALL_IPPROTO_TCP;

#ifdef IPA_RT_SUPPORT_COAL
			if (IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_tcp_enable)
				rt_rule_entry->rule.coalesce = true;
		else
				rt_rule_entry->rule.coalesce = false;
#endif
			if (false == m_routing.AddRoutingRule(rt_rule))
		{
				IPACMERR("Routing rule addition failed!\n");
				res = IPACM_FAILURE;
				goto fail;
			}
			else if (rt_rule_entry->status)
			{
				IPACMERR("rsc tcp rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				res = rt_rule_entry->status;
				goto fail;
		}
			dft_coalesce_rt_rule_hdl[0] = rt_rule_entry->rt_rule_hdl;
			IPACMDBG_H("ipv4 wan iface rsc tcp rt-rule hdll=0x%x\n enable(%d)", dft_coalesce_rt_rule_hdl[0],
				IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_tcp_enable);

			/* RSB UDP rule*/
			rt_rule_entry->rule.attrib.u.v4.protocol = (uint8_t)IPACM_FIREWALL_IPPROTO_UDP;
#ifdef IPA_RT_SUPPORT_COAL
			if (IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_udp_enable)
				rt_rule_entry->rule.coalesce = true;
			else
				rt_rule_entry->rule.coalesce = false;
#endif
		if (false == m_routing.AddRoutingRule(rt_rule))
		{
			IPACMERR("Routing rule addition failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		else if (rt_rule_entry->status)
		{
				IPACMERR("rsb udp rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				res = rt_rule_entry->status;
				goto fail;
			}
			dft_coalesce_rt_rule_hdl[1] = rt_rule_entry->rt_rule_hdl;
			IPACMDBG_H("ipv4 wan iface rsb udp rt-rule hdll=0x%x\n enable(%d)", dft_coalesce_rt_rule_hdl[1],
				IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_udp_enable);
		}
		else
		{
			rt_rule_entry->rule.dst = IPA_CLIENT_APPS_LAN_CONS;
			/* legacy default v4 rt-rule */
			if (false == m_routing.AddRoutingRule(rt_rule))
			{
				IPACMERR("Routing rule addition failed!\n");
				res = IPACM_FAILURE;
				goto fail;
			}
			else if (rt_rule_entry->status)
			{
			IPACMERR("rt rule adding failed. Result=%d\n", rt_rule_entry->status);
			res = rt_rule_entry->status;
			goto fail;
		}
		dft_rt_rule_hdl[0] = rt_rule_entry->rt_rule_hdl;
		IPACMDBG_H("ipv4 wan iface rt-rule hdll=0x%x\n", dft_rt_rule_hdl[0]);
		}

			/* initial multicast/broadcast/fragment filter rule */
		/* only do one time */
		if(!wan_v4_addr_set)
		{
			/* initial multicast/broadcast/fragment filter rule */
			if(m_is_sta_mode == Q6_WAN)
			{
				modem_ipv4_pdn_index = num_ipv4_modem_pdn;
				num_ipv4_modem_pdn++;
				IPACMDBG_H("Now the number of modem ipv4 pdn is %d.\n", num_ipv4_modem_pdn);
				init_fl_rule_ex(data->iptype);
			}
			else if(m_is_sta_mode == Q6_MHI_WAN)
			{
				IPACMDBG_H(" Has rx/tx properties registered for iface %s, add for NATTING for ip-family %d \n", dev_name, IPA_IP_v4);
				IPACM_Iface::ipacmcfg->AddNatIfaces(dev_name, IPA_IP_v4);
			}
			else
			{
				init_fl_rule(data->iptype);
			}
		}

		wan_v4_addr = data->ipv4_addr;
		wan_v4_addr_set = true;

		if (m_is_sta_mode == Q6_WAN)
			curr_wan_ip = data->ipv4_addr;

		IPACMDBG_H("Receved wan ipv4-addr:0x%x\n",wan_v4_addr);
	}

#ifdef FEATURE_IPACM_HAL
	/* check if having pending set_upstream cache*/
	OffloadMng = IPACM_OffloadManager::GetInstance();
	if (OffloadMng == NULL) {
		IPACMERR("failed to get IPACM_OffloadManager instance !\n");
	} else {
		IPACMDBG_H(" check iface %s if having set_upstream cache events\n", dev_name);
		OffloadMng->search_framwork_cache(dev_name);
	}
#endif
	IPACMDBG_H("number of default route rules %d\n", num_dft_rt_v6);

fail:
	if (rt_rule != NULL)
	{
		free(rt_rule);
	}
	return res;
}

/* handle new_address event */
int IPACM_Wan::handle_addr_evt_mhi_q6(ipacm_event_data_addr *data)
{
	uint32_t num_ipv6_addr;
	int res = IPACM_SUCCESS;
	struct ipa_ioc_add_rt_rule *rt_rule = NULL;
	struct ipa_rt_rule_add *rt_rule_entry;
	struct ipa_ioc_get_hdr hdr;
	const int NUM_RULES = 1;

#ifdef FEATURE_IPACM_HAL
	IPACM_OffloadManager* OffloadMng;
#endif

	memset(&hdr, 0, sizeof(hdr));
	if(tx_prop == NULL || rx_prop == NULL)
	{
		IPACMDBG_H("Either tx or rx property is NULL, return.\n");
		return IPACM_SUCCESS;
	}
	/* Update the IP Type. */
	config_ip_type(data->iptype);

	if (data->iptype == IPA_IP_v6)
	{
		for(num_ipv6_addr=0;num_ipv6_addr<num_dft_rt_v6;num_ipv6_addr++)
		{
			if((ipv6_addr[num_ipv6_addr][0] == data->ipv6_addr[0]) &&
			   (ipv6_addr[num_ipv6_addr][1] == data->ipv6_addr[1]) &&
			   (ipv6_addr[num_ipv6_addr][2] == data->ipv6_addr[2]) &&
			   (ipv6_addr[num_ipv6_addr][3] == data->ipv6_addr[3]))
			{
				IPACMDBG_H("find matched ipv6 address, index:%d \n", num_ipv6_addr);
				return IPACM_SUCCESS;
				break;
			}
		}

		ipv6_addr[num_dft_rt_v6][0] = data->ipv6_addr[0];
		ipv6_addr[num_dft_rt_v6][1] = data->ipv6_addr[1];
		ipv6_addr[num_dft_rt_v6][2] = data->ipv6_addr[2];
		ipv6_addr[num_dft_rt_v6][3] = data->ipv6_addr[3];

		/* store ipv6 prefix if the ipv6 address is not link local */
		if(is_global_ipv6_addr(data->ipv6_addr))
		{
			memcpy(ipv6_prefix, data->ipv6_addr, sizeof(ipv6_prefix));
		}
		num_dft_rt_v6++;
		if (num_dft_rt_v6 == 1)
		{
			/* 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 for ip-family %d \n", dev_name, IPA_IP_v6);
				IPACM_Iface::ipacmcfg->AddNatIfaces(dev_name, IPA_IP_v6);
			}
			/* skylar setup v6-wan-tbl */
			rt_rule = (struct ipa_ioc_add_rt_rule *)
				calloc(1, sizeof(struct ipa_ioc_add_rt_rule) +
				NUM_RULES * sizeof(struct ipa_rt_rule_add));
			if (!rt_rule)
			{
				IPACMERR("Error Locate ipa_ioc_add_rt_rule memory...\n");
				return IPACM_FAILURE;
			}

			rt_rule->commit = 1;
			rt_rule->num_rules = NUM_RULES;
			rt_rule->ip = data->iptype;
			strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.name, sizeof(rt_rule->rt_tbl_name));
			rt_rule_entry = &rt_rule->rules[0];
			strlcpy(hdr.name, tx_prop->tx[0].hdr_name, sizeof(hdr.name));
			hdr.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
			if(m_header.GetHeaderHandle(&hdr) == false)
			{
				IPACMERR("Failed to get QMAP header.\n");
				free(rt_rule);
				return IPACM_FAILURE;
			}
			rt_rule_entry->rule.hdr_hdl = hdr.hdl;
			rt_rule_entry->rule.dst = IPA_CLIENT_APPS_LAN_CONS;
			rt_rule_entry->at_rear = false;
			rt_rule_entry->rule.attrib.attrib_mask = IPA_FLT_DST_ADDR;
			/* still need setup v4 default routing rule to A5*/
			rt_rule_entry->rule.attrib.attrib_mask = IPA_FLT_DST_ADDR;
			rt_rule_entry->rule.attrib.u.v6.dst_addr[0] = data->ipv6_addr[0];
			rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = data->ipv6_addr[1];
			rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = data->ipv6_addr[2];
			rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = data->ipv6_addr[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;
			ipv6_addr[0][0] = data->ipv6_addr[0];
			ipv6_addr[0][1] = data->ipv6_addr[1];
			ipv6_addr[0][2] = data->ipv6_addr[2];
			ipv6_addr[0][3] = data->ipv6_addr[3];
#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;
			}
			else if (rt_rule_entry->status)
			{
				IPACMERR("rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				free(rt_rule);
				return rt_rule_entry->status;
			}
			dft_rt_rule_hdl[1] = rt_rule_entry->rt_rule_hdl;
			IPACMDBG_H("ipv6 wan iface rt-rule hdll=0x%x\n", dft_rt_rule_hdl[1]);
		}
	}
	else
	{
		if(wan_v4_addr_set)
		{
			/* check iface ipv4 same or not */
			if(data->ipv4_addr == wan_v4_addr)
			{
				IPACMDBG_H("Already setup device (%s) ipv4 and it didn't change(0x%x)\n", dev_name, data->ipv4_addr);
				return IPACM_SUCCESS;
			}
			else
			{
				IPACMDBG_H(" device (%s) ipv4 addr is changed\n", dev_name);
				/* Delete default v4 RT rule */
				IPACMDBG_H("Delete default v4 routing rules\n");
				if (m_routing.DeleteRoutingHdl(dft_rt_rule_hdl[0], IPA_IP_v4) == false)
				{
					IPACMERR("Routing old RT rule deletion failed!\n");
					return IPACM_FAILURE;
				}
			}
		}
		/* only do one time */
		if(!wan_v4_addr_set)
		{
			/* 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 for ip-family %d \n", dev_name, IPA_IP_v4);
				IPACM_Iface::ipacmcfg->AddNatIfaces(dev_name, IPA_IP_v4);
			}

			rt_rule = (struct ipa_ioc_add_rt_rule *)
				calloc(1, sizeof(struct ipa_ioc_add_rt_rule) +
					NUM_RULES * sizeof(struct ipa_rt_rule_add));

			if (!rt_rule)
			{
				IPACMERR("Error Locate ipa_ioc_add_rt_rule memory...\n");
				return IPACM_FAILURE;
			}

			rt_rule->commit = 1;
			rt_rule->num_rules = NUM_RULES;
			rt_rule->ip = data->iptype;
			rt_rule_entry = &rt_rule->rules[0];
			strlcpy(hdr.name, tx_prop->tx[0].hdr_name, sizeof(hdr.name));
			hdr.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
			if(m_header.GetHeaderHandle(&hdr) == false)
			{
				IPACMERR("Failed to get QMAP header.\n");
				free(rt_rule);
				return IPACM_FAILURE;
			}
			rt_rule_entry->rule.hdr_hdl = hdr.hdl;
			rt_rule_entry->rule.dst = IPA_CLIENT_APPS_LAN_CONS;
			rt_rule_entry->at_rear = false;
			rt_rule_entry->rule.attrib.attrib_mask = IPA_FLT_DST_ADDR;
			/* still need setup v4 default routing rule to A5*/
			strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_lan_v4.name, sizeof(rt_rule->rt_tbl_name));
			rt_rule_entry->rule.attrib.u.v4.dst_addr      = data->ipv4_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;
			}
			else if (rt_rule_entry->status)
			{
				IPACMERR("rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				free(rt_rule);
				return rt_rule_entry->status;
			}
			dft_rt_rule_hdl[0] = rt_rule_entry->rt_rule_hdl;
			IPACMDBG_H("ipv4 wan iface rt-rule hdll=0x%x\n", dft_rt_rule_hdl[0]);
		}

		wan_v4_addr = data->ipv4_addr;
		wan_v4_addr_set = true;
		IPACMDBG_H("Receved wan ipv4-addr:0x%x\n",wan_v4_addr);
		free(rt_rule);
	}

#ifdef FEATURE_IPACM_HAL
	/* check if having pending set_upstream cache*/
	OffloadMng = IPACM_OffloadManager::GetInstance();
	if (OffloadMng == NULL) {
		IPACMERR("failed to get IPACM_OffloadManager instance !\n");
	} else {
		IPACMDBG_H(" check iface %s if having set_upstream cache events\n", dev_name);
		OffloadMng->search_framwork_cache(dev_name);
	}
#endif
	IPACMDBG_H("number of default route rules %d\n", num_dft_rt_v6);

	return res;
}
void IPACM_Wan::event_callback(ipa_cm_event_id event, void *param)
{
	int ipa_interface_index;

	switch (event)
	{
	case IPA_WLAN_LINK_DOWN_EVENT:
		{
			if(m_is_sta_mode == WLAN_WAN)
			{
				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 STA-iface category to unknown */
					IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_cat = UNKNOWN_IF;
					IPACMDBG_H("IPA_WAN_STA (%s):ipa_index (%d) instance close \n", IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].iface_name, ipa_if_num);
					IPACM_Iface::ipacmcfg->DelNatIfaces(dev_name); // delete NAT-iface
					delete this;
					return;
				}
			}
		}
		break;

	case IPA_WAN_XLAT_CONNECT_EVENT:
		{
			IPACMDBG_H("Recieved IPA_WAN_XLAT_CONNECT_EVENT\n");
			ipacm_event_data_fid *data = (ipacm_event_data_fid *)param;
			ipa_interface_index = IPACM_Iface::iface_ipa_index_query(data->if_index);
			if ((ipa_interface_index == ipa_if_num) && (m_is_sta_mode == Q6_WAN))
			{
				is_xlat_local = true;
				IPACMDBG_H("WAN-LTE (%s) link up, iface: %d is_xlat: %d\n",
						IPACM_Iface::ipacmcfg->iface_table[ipa_interface_index].iface_name,data->if_index, is_xlat_local);
			}
			break;
		}
	case IPA_CFG_CHANGE_EVENT:
		{
			if ( (IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_cat == ipa_if_cate) &&
					(m_is_sta_mode ==ECM_WAN))
			{
				IPACMDBG_H("Received IPA_CFG_CHANGE_EVENT and category did not change(wan_mode:%d)\n", m_is_sta_mode);
				IPACMDBG_H("Now the cradle wan mode is %d.\n", IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_mode);
				if(is_default_gateway == true)
				{
					if(backhaul_is_wan_bridge == false && IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_mode == BRIDGE)
					{
						IPACMDBG_H("Cradle wan mode switch to bridge mode.\n");
						backhaul_is_wan_bridge = true;
					}
					else if(backhaul_is_wan_bridge == true && IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_mode == ROUTER)
					{
						IPACMDBG_H("Cradle wan mode switch to router mode.\n");
						backhaul_is_wan_bridge = false;
					}
					else
					{
						IPACMDBG_H("No cradle mode switch, return.\n");
						return;
					}
					/* post wan mode change event to LAN/WLAN */
					if(IPACM_Wan::wan_up == true)
					{
						IPACMDBG_H("This interface is default GW.\n");
						ipacm_cmd_q_data evt_data;
						memset(&evt_data, 0, sizeof(evt_data));

						ipacm_event_cradle_wan_mode *data_wan_mode = NULL;
						data_wan_mode = (ipacm_event_cradle_wan_mode *)malloc(sizeof(ipacm_event_cradle_wan_mode));
						if(data_wan_mode == NULL)
						{
							IPACMERR("unable to allocate memory.\n");
							return;
						}
						data_wan_mode->cradle_wan_mode = IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_mode;
						evt_data.event = IPA_CRADLE_WAN_MODE_SWITCH;
						evt_data.evt_data = data_wan_mode;
						IPACMDBG_H("Posting IPA_CRADLE_WAN_MODE_SWITCH event.\n");
						IPACM_EvtDispatcher::PostEvt(&evt_data);
					}
					/* update the firewall flt rule actions */
					if(active_v4)
					{
						del_dft_firewall_rules(IPA_IP_v4);
						config_dft_firewall_rules(IPA_IP_v4);
					}
					if(active_v6)
					{
						del_dft_firewall_rules(IPA_IP_v6);
						config_dft_firewall_rules(IPA_IP_v6);
					}
				}
				else
				{
					IPACMDBG_H("This interface is not default GW, ignore.\n");
				}
			}
			else if ( (IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_cat != ipa_if_cate) &&
					(m_is_sta_mode ==ECM_WAN))
			{
				IPACMDBG_H("Received IPA_CFG_CHANGE_EVENT and category changed(wan_mode:%d)\n", m_is_sta_mode);
				/* posting link-up event for cradle use-case */
				ipacm_cmd_q_data evt_data;
				memset(&evt_data, 0, sizeof(evt_data));

				ipacm_event_data_fid *data_fid = NULL;
				data_fid = (ipacm_event_data_fid *)malloc(sizeof(ipacm_event_data_fid));
				if(data_fid == NULL)
				{
					IPACMERR("unable to allocate memory for IPA_USB_LINK_UP_EVENT data_fid\n");
					return;
				}
				if(IPACM_Iface::ipa_get_if_index(dev_name, &(data_fid->if_index)))
				{
					IPACMERR("Error while getting interface index for %s device", dev_name);
				}
				evt_data.event = IPA_USB_LINK_UP_EVENT;
				evt_data.evt_data = data_fid;
				IPACMDBG_H("Posting event:%d\n", evt_data.event);
				IPACM_EvtDispatcher::PostEvt(&evt_data);

				/* delete previous instance */
				handle_down_evt();
				IPACM_Iface::ipacmcfg->DelNatIfaces(dev_name); // delete NAT-iface
				delete this;
				return;
			}
		}
		break;

	case IPA_COALESCE_NOTICE:
		{
			if (m_is_sta_mode == Q6_WAN)
			{
				IPACMDBG_H("Received IPA_COALESCE_NOTICE (wan_mode:%d)\n", m_is_sta_mode);
				handle_coalesce_evt();
			}
		}
		break;
	case IPA_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)
			{
				if(m_is_sta_mode == Q6_WAN)
				{
						IPACMDBG_H("Received IPA_LINK_DOWN_EVENT\n");
						handle_down_evt_ex();
						IPACMDBG_H("IPA_WAN_Q6 (%s):ipa_index (%d) instance close \n", IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].iface_name, ipa_if_num);
						IPACM_Iface::ipacmcfg->DelNatIfaces(dev_name); // delete NAT-iface
						delete this;
						return;
				}
				else if ((m_is_sta_mode == ECM_WAN) || (m_is_sta_mode == Q6_MHI_WAN))
				{
					IPACMDBG_H("Received IPA_LINK_DOWN_EVENT(wan_mode:%d)\n", m_is_sta_mode);
					/* delete previous instance */
					handle_down_evt();
					IPACMDBG_H("IPA_WAN_CRADLE (%s):ipa_index (%d) instance close \n", IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].iface_name, ipa_if_num);
					IPACM_Iface::ipacmcfg->DelNatIfaces(dev_name); // delete NAT-iface
					delete this;
					return;
				}
			}
		}
		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)
			{
				IPACMDBG_H("Get IPA_ADDR_ADD_EVENT: IF ip type %d, incoming ip type %d\n", ip_type, data->iptype);
				/* check v4 not setup before, v6 can have 2 iface ip */
				if( (data->iptype == IPA_IP_v4)
				    || ((data->iptype==IPA_IP_v6) && (num_dft_rt_v6!=MAX_DEFAULT_v6_ROUTE_RULES)))
				{
					if (m_is_sta_mode == Q6_MHI_WAN)
					{
						IPACMDBG_H("Got handle_addr_evt_mhi_q6 ip-family:%d, v6 num %d: \n",data->iptype,num_dft_rt_v6);
						handle_addr_evt_mhi_q6(data);
					}
					else
					{
						IPACMDBG_H("Got handle_addr_evt ip-family:%d, v6 num %d: \n",data->iptype,num_dft_rt_v6);
						handle_addr_evt(data);
					}
					/* checking if SW-RT_enable */
					if (IPACM_Iface::ipacmcfg->ipa_sw_rt_enable == true &&
							m_is_sta_mode != Q6_WAN)
					{
						/* 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;


	case IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT:
		{
			ipacm_event_data_iptype *data = (ipacm_event_data_iptype *)param;
			ipa_interface_index = iface_ipa_index_query(data->if_index);
#ifndef FEATURE_IPACM_HAL
			/* add the check see if tether_iface is valid or not */
			if (iface_ipa_index_query(data->if_index_tether) == INVALID_IFACE)
			{
				IPACMERR("UPSTREAM_ROUTE_ADD tether_if(%d), not valid ignore\n", INVALID_IFACE);
				return;
			}
#endif
			if (ipa_interface_index == ipa_if_num)
			{
				IPACMDBG_H("Received IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT (Android) for ip-type (%d)\n", data->iptype);
				/* The special below condition is to handle default gateway */
				if ((data->iptype == IPA_IP_v4) && (ip_type == IPA_IP_v4 || ip_type == IPA_IP_MAX))
				{
					if (active_v4 == false)
					{
#ifdef IPA_WAN_MSG_IPv6_ADDR_GW_LEN
						IPACMDBG_H("adding routing table(upstream), dev (%s) ip-type(%d) default gw (%x)\n", dev_name,data->iptype, wan_v4_addr_gw);
						wan_v4_addr_gw = data->ipv4_addr_gw;
						wan_v4_addr_gw_set = true;
						/* Check & construct STA header */
						handle_sta_header_add_evt();
#else
						IPACMDBG_H("adding routing table(upstream), dev (%s) ip-type(%d)\n", dev_name,data->iptype);
#endif
						if (active_v4 == false)
						{
							handle_route_add_evt(data->iptype);
						}
					}
#ifdef FEATURE_IPA_ANDROID
#ifndef FEATURE_IPACM_HAL
					/* Fixed CR 2438491 for HAL-android platform trgets.
					   Need to revisit for non-hal-android-platform targets if issue could be reproduced there as well */
					/* using ipa_if_index, not netdev_index */
					post_wan_up_tether_evt(data->iptype, iface_ipa_index_query(data->if_index_tether));
#endif
#endif
				}
				else if ((data->iptype == IPA_IP_v6) && (ip_type == IPA_IP_v6 || ip_type == IPA_IP_MAX))
				{
					if(ipv6_prefix[0] == 0 && ipv6_prefix[1] == 0)
					{
						IPACMDBG_H("IPv6 default route comes earlier than global IP, ignore.\n");
						return;
					}

					if (active_v6 == false)
					{
						IPACMDBG_H("\n get default v6 route (dst:00.00.00.00) upstream\n");
#ifdef IPA_WAN_MSG_IPv6_ADDR_GW_LEN
						IPACMDBG_H(" IPV6 gateway: %08x:%08x:%08x:%08x \n",
								data->ipv6_addr_gw[0], data->ipv6_addr_gw[1], data->ipv6_addr_gw[2], data->ipv6_addr_gw[3]);
						wan_v6_addr_gw[0] = data->ipv6_addr_gw[0];
						wan_v6_addr_gw[1] = data->ipv6_addr_gw[1];
						wan_v6_addr_gw[2] = data->ipv6_addr_gw[2];
						wan_v6_addr_gw[3] = data->ipv6_addr_gw[3];
						wan_v6_addr_gw_set = true;
						/* Check & construct STA header */
						handle_sta_header_add_evt();
#endif
						if (active_v6 == false)
						{
							handle_route_add_evt(data->iptype);
						}
					}
				}
#ifdef FEATURE_IPA_ANDROID
#ifndef FEATURE_IPACM_HAL
				/* using ipa_if_index, not netdev_index */
				post_wan_up_tether_evt(data->iptype, iface_ipa_index_query(data->if_index_tether));
#endif
#endif

			}
			else /* double check if current default iface is not itself */
			{
				if ((data->iptype == IPA_IP_v4) && (active_v4 == true))
				{
					IPACMDBG_H("Received v4 IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT for other iface (%s)\n", IPACM_Iface::ipacmcfg->iface_table[ipa_interface_index].iface_name);
					IPACMDBG_H("need clean default v4 route (dst:0.0.0.0) for old iface (%s)\n", dev_name);
					wan_v4_addr_gw_set = false;
					if(m_is_sta_mode == Q6_WAN)
					{
						del_wan_firewall_rule(IPA_IP_v4);
						install_wan_filtering_rule(false);
						handle_route_del_evt_ex(IPA_IP_v4);
					}
					else if(m_is_sta_mode == Q6_MHI_WAN)
					{
						/* only need cleanup rt-rule*/
						handle_route_del_evt(IPA_IP_v4);
					}
					else
					{
						del_dft_firewall_rules(IPA_IP_v4);
						handle_route_del_evt(IPA_IP_v4);
					}
				}
				else if ((data->iptype == IPA_IP_v6) && (active_v6 == true))
				{
				    IPACMDBG_H("Received v6 IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT for other iface (%s)\n", IPACM_Iface::ipacmcfg->iface_table[ipa_interface_index].iface_name);
					IPACMDBG_H("need clean default v6 route for old iface (%s)\n", dev_name);
					if(m_is_sta_mode == Q6_WAN)
					{
						del_wan_firewall_rule(IPA_IP_v6);
						install_wan_filtering_rule(false);
						handle_route_del_evt_ex(IPA_IP_v6);
					}
					else if(m_is_sta_mode == Q6_MHI_WAN)
					{
						/* only need cleanup rt-rule*/
						handle_route_del_evt(IPA_IP_v6);
					}
					else
					{
						del_dft_firewall_rules(IPA_IP_v6);
						handle_route_del_evt(IPA_IP_v6);
					}
				}
			}
		}
		break;

	case IPA_WAN_UPSTREAM_ROUTE_DEL_EVENT:
		{
			ipacm_event_data_iptype *data = (ipacm_event_data_iptype *)param;
			ipa_interface_index = iface_ipa_index_query(data->if_index);
#ifndef FEATURE_IPACM_HAL
			/* add the check see if tether_iface is valid or not */
			if (iface_ipa_index_query(data->if_index_tether) == INVALID_IFACE)
			{
				IPACMERR("UPSTREAM_ROUTE_DEL tether_if(%d), not valid ignore\n", INVALID_IFACE);
				return;
			}
#endif
			if (ipa_interface_index == ipa_if_num)
			{
				IPACMDBG_H("Received IPA_WAN_UPSTREAM_ROUTE_DEL_EVENT\n");
				if ((data->iptype == IPA_IP_v4) && (active_v4 == true))
				{
					IPACMDBG_H("get del default v4 route (dst:0.0.0.0)\n");
					wan_v4_addr_gw_set = false;
#ifdef FEATURE_IPA_ANDROID
#ifdef FEATURE_IPACM_HAL
					post_wan_down_tether_evt(data->iptype, 0);
#else
					/* using ipa_if_index, not netdev_index */
					post_wan_down_tether_evt(data->iptype, iface_ipa_index_query(data->if_index_tether));
					/* no any ipv4 tether iface support*/
					if(IPACM_Wan::ipa_if_num_tether_v4_total != 0)
					{
						IPACMDBG_H("still have tether ipv4 client on upsteam iface\n");
						return;
					}
#endif
#endif
					if(m_is_sta_mode == Q6_WAN)
					{
						del_wan_firewall_rule(IPA_IP_v4);
						install_wan_filtering_rule(false);
						handle_route_del_evt_ex(IPA_IP_v4);
					}
					else if(m_is_sta_mode == Q6_MHI_WAN)
					{
						/* only need cleanup rt-rule*/
						handle_route_del_evt(IPA_IP_v4);
					}
					else
					{
						del_dft_firewall_rules(IPA_IP_v4);
						handle_route_del_evt(IPA_IP_v4);
					}
				}
				else if ((data->iptype == IPA_IP_v6) && (active_v6 == true))
				{
#ifdef FEATURE_IPA_ANDROID
#ifdef FEATURE_IPACM_HAL
					post_wan_down_tether_evt(data->iptype, 0);
#else

					/* using ipa_if_index, not netdev_index */
					post_wan_down_tether_evt(data->iptype, iface_ipa_index_query(data->if_index_tether));
					/* no any ipv6 tether iface support*/
					if(IPACM_Wan::ipa_if_num_tether_v6_total != 0)
					{
						IPACMDBG_H("still have tether ipv6 client on upsteam iface\n");
						return;
					}
#endif
#endif
					if(m_is_sta_mode == Q6_WAN)
					{
						del_wan_firewall_rule(IPA_IP_v6);
						install_wan_filtering_rule(false);
						handle_route_del_evt_ex(IPA_IP_v6);
					}
					else if(m_is_sta_mode == Q6_MHI_WAN)
					{
						/* only need cleanup rt-rule*/
						handle_route_del_evt(IPA_IP_v6);
					}

					else
					{
						del_dft_firewall_rules(IPA_IP_v6);
						handle_route_del_evt(IPA_IP_v6);
					}
				}
			}
		}
		break;
	case IPA_NETWORK_STATS_UPDATE_EVENT:
		{
			ipa_get_apn_data_stats_resp_msg_v01 *data = (ipa_get_apn_data_stats_resp_msg_v01 *)param;
			if (!data->apn_data_stats_list_valid)
			{
				IPACMERR("not valid APN\n");
				return;
			}
			else
			{
				handle_network_stats_update(data);
			}
		}
		break;
	case IPA_ROUTE_ADD_EVENT:
		{
			ipacm_event_data_addr *data = (ipacm_event_data_addr *)param;
			ipa_interface_index = iface_ipa_index_query(data->if_index);
			if (ipa_interface_index == ipa_if_num)
			{
				IPACMDBG_H("Received IPA_ROUTE_ADD_EVENT\n");
				IPACMDBG_H("ipv4 addr 0x%x\n", data->ipv4_addr);
				IPACMDBG_H("ipv4 addr mask 0x%x\n", data->ipv4_addr_mask);

				/* The special below condition is to handle default gateway */
				if ((data->iptype == IPA_IP_v4) && (!data->ipv4_addr) && (!data->ipv4_addr_mask) && (active_v4 == false)
					&& (ip_type == IPA_IP_v4 || ip_type == IPA_IP_MAX))
				{
					wan_v4_addr_gw = data->ipv4_addr_gw;
					wan_v4_addr_gw_set = true;
					IPACMDBG_H("adding routing table, dev (%s) ip-type(%d), default gw (%x)\n", dev_name,data->iptype, wan_v4_addr_gw);
					/* Check & construct STA header */
					handle_sta_header_add_evt();
					handle_route_add_evt(data->iptype);
					/* Add IPv6 routing table if XLAT is enabled */
					if(is_xlat_local && (m_is_sta_mode == Q6_WAN) && (active_v6 == false))
					{
						IPACMDBG_H("XLAT enabled: adding IPv6 routing table dev (%s)\n", dev_name);
						handle_route_add_evt(IPA_IP_v6);
					}
				}
				else if ((data->iptype == IPA_IP_v6) &&
						(!data->ipv6_addr[0]) && (!data->ipv6_addr[1]) && (!data->ipv6_addr[2]) && (!data->ipv6_addr[3]) &&
						(active_v6 == false) &&	(ip_type == IPA_IP_v6 || ip_type == IPA_IP_MAX))
				{
					if(ipv6_prefix[0] == 0 && ipv6_prefix[1] == 0)
					{
						IPACMDBG_H("IPv6 default route comes earlier than global IP, ignore.\n");
						return;
					}

					IPACMDBG_H("\n get default v6 route (dst:00.00.00.00)\n");
					IPACMDBG_H(" IPV6 dst: %08x:%08x:%08x:%08x \n",
							data->ipv6_addr[0], data->ipv6_addr[1], data->ipv6_addr[2], data->ipv6_addr[3]);
					IPACMDBG_H(" IPV6 gateway: %08x:%08x:%08x:%08x \n",
							data->ipv6_addr_gw[0], data->ipv6_addr_gw[1], data->ipv6_addr_gw[2], data->ipv6_addr_gw[3]);
					wan_v6_addr_gw[0] = data->ipv6_addr_gw[0];
					wan_v6_addr_gw[1] = data->ipv6_addr_gw[1];
					wan_v6_addr_gw[2] = data->ipv6_addr_gw[2];
					wan_v6_addr_gw[3] = data->ipv6_addr_gw[3];
					wan_v6_addr_gw_set = true;
					/* Check & construct STA header */
					handle_sta_header_add_evt();
					handle_route_add_evt(data->iptype);
				}
			}
			else /* double check if current default iface is not itself */
			{
				if ((data->iptype == IPA_IP_v4) && (!data->ipv4_addr) && (!data->ipv4_addr_mask) && (active_v4 == true))
				{
					IPACMDBG_H("Received v4 IPA_ROUTE_ADD_EVENT for other iface (%s)\n", IPACM_Iface::ipacmcfg->iface_table[ipa_interface_index].iface_name);
					IPACMDBG_H("ipv4 addr 0x%x\n", data->ipv4_addr);
					IPACMDBG_H("ipv4 addr mask 0x%x\n", data->ipv4_addr_mask);
					IPACMDBG_H("need clean default v4 route (dst:0.0.0.0) for old iface (%s)\n", dev_name);
					wan_v4_addr_gw_set = false;
					if(m_is_sta_mode == Q6_WAN)
					{
						del_wan_firewall_rule(IPA_IP_v4);
						install_wan_filtering_rule(false);
						handle_route_del_evt_ex(IPA_IP_v4);
					}
					else
					{
						del_dft_firewall_rules(IPA_IP_v4);
						handle_route_del_evt(IPA_IP_v4);
					}
				}
				else if ((data->iptype == IPA_IP_v6) && (!data->ipv6_addr[0]) && (!data->ipv6_addr[1]) && (!data->ipv6_addr[2]) && (!data->ipv6_addr[3]) && (active_v6 == true))
				{
				    IPACMDBG_H("Received v6 IPA_ROUTE_ADD_EVENT for other iface (%s)\n", IPACM_Iface::ipacmcfg->iface_table[ipa_interface_index].iface_name);
					IPACMDBG_H("need clean default v6 route for old iface (%s)\n", dev_name);
					if(m_is_sta_mode == Q6_WAN)
					{
						del_wan_firewall_rule(IPA_IP_v6);
						install_wan_filtering_rule(false);
						handle_route_del_evt_ex(IPA_IP_v6);
					}
					else
					{
						del_dft_firewall_rules(IPA_IP_v6);
						handle_route_del_evt(IPA_IP_v6);
					}
				}
			}
		}
		break;

	case IPA_ROUTE_DEL_EVENT:
		{
			ipacm_event_data_addr *data = (ipacm_event_data_addr *)param;
			ipa_interface_index = iface_ipa_index_query(data->if_index);
			if (ipa_interface_index == ipa_if_num)
			{
				IPACMDBG_H("Received IPA_ROUTE_DEL_EVENT\n");
				if ((data->iptype == IPA_IP_v4) && (!data->ipv4_addr) && (!data->ipv4_addr_mask) && (active_v4 == true))
				{
					IPACMDBG_H("get del default v4 route (dst:0.0.0.0)\n");
					wan_v4_addr_gw_set = false;
					if(m_is_sta_mode == Q6_WAN)
					{
						del_wan_firewall_rule(IPA_IP_v4);
						install_wan_filtering_rule(false);
						handle_route_del_evt_ex(IPA_IP_v4);

						if(is_xlat_local && active_v6 == true)
						{
							IPACMDBG_H("XLAT enabled: Delete IPv6 routing table dev (%s)\n", dev_name);
							del_wan_firewall_rule(IPA_IP_v6);
							install_wan_filtering_rule(false);
							handle_route_del_evt_ex(IPA_IP_v6);
						}
					}
					else
					{
						del_dft_firewall_rules(IPA_IP_v4);
						handle_route_del_evt(IPA_IP_v4);
					}
				}
				else if ((data->iptype == IPA_IP_v6) && (!data->ipv6_addr[0]) && (!data->ipv6_addr[1]) && (!data->ipv6_addr[2]) && (!data->ipv6_addr[3]) && (active_v6 == true))
				{

					IPACMDBG_H("get del default v6 route (dst:00.00.00.00)\n");
					if(m_is_sta_mode == Q6_WAN)
					{
						del_wan_firewall_rule(IPA_IP_v6);
						install_wan_filtering_rule(false);
						handle_route_del_evt_ex(IPA_IP_v6);
					}
					else
					{
						del_dft_firewall_rules(IPA_IP_v6);
						handle_route_del_evt(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 in STA mode\n");

				if (m_is_sta_mode == WLAN_WAN)
				{
					if (data->iptype == IPA_IP_v4 && data->ipv4_addr == wan_v4_addr)
					{
						IPACMDBG_H("Ignore IPA_NEIGH_CLIENT_IP_ADDR_ADD_EVENT in STA mode\n");
						IPACMDBG_H("for its own ipv4 address\n");
						return;
					}
					else if (data->iptype == IPA_IP_v6)
					{
						for (uint32_t num_ipv6_addr = 0; num_ipv6_addr < num_dft_rt_v6; num_ipv6_addr++)
						{
							if ((ipv6_addr[num_ipv6_addr][0] == data->ipv6_addr[0]) &&
								(ipv6_addr[num_ipv6_addr][1] == data->ipv6_addr[1]) &&
								(ipv6_addr[num_ipv6_addr][2] == data->ipv6_addr[2]) &&
								(ipv6_addr[num_ipv6_addr][3] == data->ipv6_addr[3]))
							{
								IPACMDBG_H("Ignore IPA_NEIGH_CLIENT_IP_ADDR_ADD_EVENT in STA mode\n");
								IPACMDBG_H("for its own ipv6 address\n");
								return;
							}
						}
					}
				}

				IPACMDBG_H("wan-iface got client \n");
				/* first construc WAN-client full header */
				if(memcmp(data->mac_addr,
						invalid_mac,
						sizeof(data->mac_addr)) == 0)
				{
					IPACMDBG_H("Received invalid Client 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]);
					return;
				}

				handle_wan_hdr_init(data->mac_addr);
				IPACMDBG_H("construct wan-client header and route rules \n");
				/* Associate with IP and construct RT-rule */
				if (handle_wan_client_ipaddr(data) == IPACM_FAILURE)
				{
					return;
				}
				handle_wan_client_route_rule(data->mac_addr, data->iptype);
				/* Check & construct STA header */
				handle_sta_header_add_evt();
				return;
			}
		}
		break;

	case IPA_SW_ROUTING_ENABLE:
		IPACMDBG_H("Received IPA_SW_ROUTING_ENABLE\n");
		/* handle software routing enable event */
		if(m_is_sta_mode == Q6_WAN)
		{
			install_wan_filtering_rule(true);
		}
		else
		{
			handle_software_routing_enable();
		}
		break;

	case IPA_SW_ROUTING_DISABLE:
		IPACMDBG_H("Received IPA_SW_ROUTING_DISABLE\n");
		/* handle software routing disable event */
		if(m_is_sta_mode == Q6_WAN)
		{
			/* send current DL rules to modem */
			install_wan_filtering_rule(false);
			softwarerouting_act = false;
		}
		else
		{
			handle_software_routing_disable();
		}
		break;

	case IPA_FIREWALL_CHANGE_EVENT:
		IPACMDBG_H("Received IPA_FIREWALL_CHANGE_EVENT\n");

		if(m_is_sta_mode == Q6_WAN)
		{
			if(is_default_gateway == false)
			{
				IPACMDBG_H("Interface %s is not default gw, return.\n", dev_name);
				return;
			}

			if(ip_type == IPA_IP_v4)
			{
				del_wan_firewall_rule(IPA_IP_v4);
				config_wan_firewall_rule(IPA_IP_v4);
				install_wan_filtering_rule(false);
			}
			else if(ip_type == IPA_IP_v6)
			{
				del_wan_firewall_rule(IPA_IP_v6);
				config_wan_firewall_rule(IPA_IP_v6);
				install_wan_filtering_rule(false);
			}
			else if(ip_type == IPA_IP_MAX)
			{
				del_wan_firewall_rule(IPA_IP_v4);
				config_wan_firewall_rule(IPA_IP_v4);

				del_wan_firewall_rule(IPA_IP_v6);
				config_wan_firewall_rule(IPA_IP_v6);
				install_wan_filtering_rule(false);
			}
			else
			{
				IPACMERR("IP type is not expected.\n");
			}
		}
		else
		{
			if (active_v4)
			{
				del_dft_firewall_rules(IPA_IP_v4);
				config_dft_firewall_rules(IPA_IP_v4);
			}
			if (active_v6)
			{

				del_dft_firewall_rules(IPA_IP_v6);
				config_dft_firewall_rules(IPA_IP_v6);
			}
		}
		break;

		case IPA_WLAN_SWITCH_TO_SCC:
			if(IPACM_Wan::backhaul_mode == WLAN_WAN)
			{
				IPACMDBG_H("Received IPA_WLAN_SWITCH_TO_SCC\n");
				if(ip_type == IPA_IP_MAX)
				{
					handle_wlan_SCC_MCC_switch(true, IPA_IP_v4);
					handle_wlan_SCC_MCC_switch(true, IPA_IP_v6);
					handle_wan_client_SCC_MCC_switch(true, IPA_IP_v4);
					handle_wan_client_SCC_MCC_switch(true, IPA_IP_v6);
				}
				else
				{
					handle_wlan_SCC_MCC_switch(true, ip_type);
					handle_wan_client_SCC_MCC_switch(true, ip_type);
				}
			}
			break;

		case IPA_WLAN_SWITCH_TO_MCC:
			if(IPACM_Wan::backhaul_mode == WLAN_WAN)
			{
				IPACMDBG_H("Received IPA_WLAN_SWITCH_TO_MCC\n");
				if(ip_type == IPA_IP_MAX)
				{
					handle_wlan_SCC_MCC_switch(false, IPA_IP_v4);
					handle_wlan_SCC_MCC_switch(false, IPA_IP_v6);
					handle_wan_client_SCC_MCC_switch(false, IPA_IP_v4);
					handle_wan_client_SCC_MCC_switch(false, IPA_IP_v6);
				}
				else
				{
					handle_wlan_SCC_MCC_switch(false, ip_type);
					handle_wan_client_SCC_MCC_switch(false, ip_type);
				}
			}
			break;
#ifdef FEATURE_IPACM_HAL
		/* WA for WLAN to clean up NAT instance during SSR */
		case IPA_SSR_NOTICE:
		case IPA_WLAN_FWR_SSR_BEFORE_SHUTDOWN_NOTICE:
			IPACMDBG_H("Received IPA_SSR_NOTICE event.\n");
			if(m_is_sta_mode == WLAN_WAN)
			{
				IPACM_Iface::ipacmcfg->DelNatIfaces(dev_name); // delete NAT-iface
			}
		break;
#endif
	default:
		break;
	}

	return;
}

/* wan default route/filter rule configuration */
int IPACM_Wan::handle_route_add_evt(ipa_ip_type iptype)
{

	/* add default WAN route */
	struct ipa_ioc_add_rt_rule *rt_rule = NULL;
	struct ipa_rt_rule_add *rt_rule_entry;
	uint32_t tx_index = 0;
	const int NUM = 1;
	ipacm_cmd_q_data evt_data;
	struct ipa_ioc_get_hdr hdr;
#ifdef	WAN_IOC_NOTIFY_WAN_STATE //resolve compile issue on 4.9 kernel
	struct wan_ioctl_notify_wan_state wan_state;
	int fd_wwan_ioctl;
	memset(&wan_state, 0, sizeof(wan_state));
#endif
	IPACMDBG_H("ip-type:%d\n", iptype);

	/* copy header from tx-property, see if partial or not */
	/* assume all tx-property uses the same header name for v4 or v6*/

	if(tx_prop == NULL)
	{
		IPACMDBG_H("No tx properties, ignore default route setting\n");
		return IPACM_SUCCESS;
	}

	is_default_gateway = true;
	IPACMDBG_H("Default route is added to iface %s.\n", dev_name);

	if(IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_mode == BRIDGE)
	{
		IPACM_Wan::backhaul_is_wan_bridge = true;
	}
	else
	{
		IPACM_Wan::backhaul_is_wan_bridge = false;
	}
	IPACMDBG_H("backhaul_is_wan_bridge ?: %d \n", IPACM_Wan::backhaul_is_wan_bridge);

	if (m_is_sta_mode ==Q6_WAN)
	{
		IPACM_Wan::backhaul_mode = m_is_sta_mode;
		IPACMDBG_H("reset backhaul to LTE \n");

		if (iface_query != NULL && iface_query->num_ext_props > 0)
		{
			if(ext_prop == NULL)
			{
				IPACMERR("Extended property is empty.\n");
				return IPACM_FAILURE;
			}
			else
			{
				IPACM_Iface::ipacmcfg->SetQmapId(ext_prop->ext[0].mux_id);
				IPACMDBG_H("Setting up QMAP ID %d.\n", ext_prop->ext[0].mux_id);
			}
		}
		else
		{
			IPACMERR("iface_query is empty.\n");
			return IPACM_FAILURE;
		}
	}
	else if (m_is_sta_mode == Q6_MHI_WAN)
	{
		if (iface_query != NULL && iface_query->num_ext_props > 0)
		{
			/* treat Q6_MHI_WAN as STA mode also */
			IPACMDBG_H("Q6-MHI  ipv4/v6-header already constructed \n");
			IPACM_Wan::backhaul_mode = m_is_sta_mode;		
			IPACMDBG_H("Setting up QMAP ID %d.\n", ext_prop->ext[0].mux_id);
			IPACM_Iface::ipacmcfg->SetQmapId(ext_prop->ext[0].mux_id);
			/* sending mux-id info to PCIE-modem for UL */
			if(false == m_filtering.AddOffloadFilteringRule(NULL, ext_prop->ext[0].mux_id, 0))
			{
				IPACMERR("Failed to send mux id info to modem.\n");
				return IPACM_FAILURE;
			}
			/* send UL UDP frag filtering rule */
			if(iptype==IPA_IP_v4 && add_offload_frag_rule())
			{
				IPACMERR("Failed to send DL frag rule to modem.\n");
				return IPACM_FAILURE;
			}
		}
		else
		{
			IPACMERR("iface_query is empty.\n");
			return IPACM_FAILURE;
		}
	}
	else
	{
		IPACM_Wan::backhaul_mode = m_is_sta_mode;
		if((iptype==IPA_IP_v4) && (header_set_v4 != true))
		{
			header_partial_default_wan_v4 = true;
			IPACMDBG_H("STA ipv4-header haven't constructed \n");
			return IPACM_SUCCESS;
		}
		else if((iptype==IPA_IP_v6) && (header_set_v6 != true))
		{
			header_partial_default_wan_v6 = true;
			IPACMDBG_H("STA ipv6-header haven't constructed \n");
			return IPACM_SUCCESS;
		}
	}

	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)
	{
		IPACMERR("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;


	IPACMDBG_H(" WAN table created %s \n", rt_rule->rt_tbl_name);
	rt_rule_entry = &rt_rule->rules[0];
	rt_rule_entry->at_rear = true;

	if(m_is_sta_mode != Q6_WAN)
	{
		IPACMDBG_H(" WAN instance is in STA mode \n");
		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;
			}

			/* use the STA-header handler */
			if (iptype == IPA_IP_v4)
			{
				strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_wan_v4.name, sizeof(rt_rule->rt_tbl_name));
				rt_rule_entry->rule.hdr_hdl = hdr_hdl_sta_v4;
			}
			else
			{
				strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_v6.name, sizeof(rt_rule->rt_tbl_name));
				rt_rule_entry->rule.hdr_hdl = hdr_hdl_sta_v6;
			}

			/* replace the hdr handle for q6_PCIE*/
			if(m_is_sta_mode == Q6_MHI_WAN)
			{
				memset(&hdr, 0, sizeof(hdr));
				strlcpy(hdr.name, tx_prop->tx[tx_index].hdr_name, sizeof(hdr.name));
				hdr.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
				if(m_header.GetHeaderHandle(&hdr) == false)
				{
					IPACMERR("Failed to get QMAP header.\n");
					free(rt_rule);
					return IPACM_FAILURE;
				}
				rt_rule_entry->rule.hdr_hdl = hdr.hdl;
				rt_rule_entry->rule.dst = tx_prop->tx[tx_index].dst_pipe;
			}
			else
			{
				if(IPACM_Iface::ipacmcfg->isMCC_Mode == true)
				{
					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;
			if (iptype == IPA_IP_v4)
			{
				rt_rule_entry->rule.attrib.u.v4.dst_addr      = 0;
				rt_rule_entry->rule.attrib.u.v4.dst_addr_mask = 0;
#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;
				}
				wan_route_rule_v4_hdl[tx_index] = rt_rule_entry->rt_rule_hdl;
				IPACMDBG_H("Got ipv4 wan-route rule hdl:0x%x,tx:%d,ip-type: %d \n",
							 wan_route_rule_v4_hdl[tx_index],
							 tx_index,
							 iptype);
			}
			else
			{
				rt_rule_entry->rule.attrib.u.v6.dst_addr[0] = 0;
				rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = 0;
				rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = 0;
				rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = 0;
				rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[0] = 0;
				rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[1] = 0;
				rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[2] = 0;
				rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[3] = 0;
#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;
				}
				wan_route_rule_v6_hdl[tx_index] = rt_rule_entry->rt_rule_hdl;
				IPACMDBG_H("Set ipv6 wan-route rule hdl for v6_lan_table:0x%x,tx:%d,ip-type: %d \n",
							 wan_route_rule_v6_hdl[tx_index],
							 tx_index,
							 iptype);
			}
		}
	}

	/* add a catch-all rule in wan dl routing table */

	if (iptype == IPA_IP_v6 && m_is_sta_mode != Q6_MHI_WAN)
	{
		strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.name, sizeof(rt_rule->rt_tbl_name));
		memset(rt_rule_entry, 0, sizeof(struct ipa_rt_rule_add));
		rt_rule_entry->at_rear = true;
		if(m_is_sta_mode == Q6_WAN)
		{
			memset(&hdr, 0, sizeof(hdr));
			strlcpy(hdr.name, tx_prop->tx[0].hdr_name, sizeof(hdr.name));
			hdr.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
			if(m_header.GetHeaderHandle(&hdr) == false)
			{
				IPACMERR("Failed to get QMAP header.\n");
				free(rt_rule);
				return IPACM_FAILURE;
			}
			rt_rule_entry->rule.hdr_hdl = hdr.hdl;
			rt_rule_entry->rule.dst = IPA_CLIENT_APPS_WAN_CONS;
		}
		else
		{
			/* create dummy ethernet header for v6 RX path */
			IPACMDBG_H("Construct dummy ethernet_header\n");
			if (add_dummy_rx_hdr())
			{
				IPACMERR("Construct dummy ethernet_header failed!\n");
				free(rt_rule);
				return IPACM_FAILURE;
			}
			rt_rule_entry->rule.hdr_proc_ctx_hdl = hdr_proc_hdl_dummy_v6;
			rt_rule_entry->rule.dst = IPA_CLIENT_APPS_LAN_CONS;
		}
		rt_rule_entry->rule.attrib.attrib_mask = IPA_FLT_DST_ADDR;
		rt_rule_entry->rule.attrib.u.v6.dst_addr[0] = 0;
		rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = 0;
		rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = 0;
		rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = 0;
		rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[0] = 0;
		rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[1] = 0;
		rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[2] = 0;
		rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[3] = 0;
#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;
		}
		wan_route_rule_v6_hdl_a5[0] = rt_rule_entry->rt_rule_hdl;
		IPACMDBG_H("Set ipv6 wan-route rule hdl for v6_wan_table:0x%x,tx:%d,ip-type: %d \n",
				wan_route_rule_v6_hdl_a5[0], 0, iptype);
	}

	ipacm_event_iface_up *wanup_data;
	wanup_data = (ipacm_event_iface_up *)malloc(sizeof(ipacm_event_iface_up));
	if (wanup_data == NULL)
	{
		IPACMERR("Unable to allocate memory\n");
		free(rt_rule);
		return IPACM_FAILURE;
	}
	memset(wanup_data, 0, sizeof(ipacm_event_iface_up));

	/* handling filter rule construction */
	if (iptype == IPA_IP_v4)
	{
		IPACM_Wan::wan_up = true;
		active_v4 = true;
		memcpy(IPACM_Wan::wan_up_dev_name,
			dev_name,
				sizeof(IPACM_Wan::wan_up_dev_name));

		if(m_is_sta_mode == Q6_WAN)
		{
			config_wan_firewall_rule(IPA_IP_v4);
			install_wan_filtering_rule(false);
		}
		else
		{
			config_dft_firewall_rules(IPA_IP_v4);
		}

		memcpy(wanup_data->ifname, dev_name, sizeof(wanup_data->ifname));
		wanup_data->ipv4_addr = wan_v4_addr;
		wanup_data->backhaul_type = m_is_sta_mode;
		IPACMDBG_H("Posting IPA_HANDLE_WAN_UP with below information:\n");
		IPACMDBG_H("if_name:%s, ipv4_address:0x%x, is sta mode:%d\n",
				wanup_data->ifname, wanup_data->ipv4_addr, wanup_data->backhaul_type);
		memset(&evt_data, 0, sizeof(evt_data));

		/* set backhaul type as xlat */
		IPACM_Wan::is_xlat = is_xlat_local;

		/* send xlat configuration for installing uplink rules */
		if(IPACM_Wan::is_xlat && (m_is_sta_mode == Q6_WAN))
		{
			IPACM_Wan::xlat_mux_id = ext_prop->ext[0].mux_id;
			wanup_data->xlat_mux_id = IPACM_Wan::xlat_mux_id;
			IPACMDBG_H("Set xlat configuraiton with below information:\n");
			IPACMDBG_H("xlat_enabled: %d xlat_mux_id: %d \n",
					IPACM_Wan::is_xlat, xlat_mux_id);
		}
		else /*temp put xlat = 0 for Q6_MHI_WAN*/
		{
			IPACM_Wan::xlat_mux_id = 0;
			wanup_data->xlat_mux_id = 0;
			if(m_is_sta_mode != WLAN_WAN) //both q6_wan/q6_mhi_wan
			{
				wanup_data->mux_id = ext_prop->ext[0].mux_id;
				IPACMDBG_H("mux_id: %d\n", wanup_data->mux_id);
			}
			else
				wanup_data->mux_id = 0;
			IPACMDBG_H("No xlat configuration\n");
		}
		evt_data.event = IPA_HANDLE_WAN_UP;
		evt_data.evt_data = (void *)wanup_data;
		IPACM_EvtDispatcher::PostEvt(&evt_data);

#ifdef FEATURE_IPACM_HAL
		post_wan_up_tether_evt(IPA_IP_v4, 0);
#endif
	}
	else
	{
		memcpy(backhaul_ipv6_prefix, ipv6_prefix, sizeof(backhaul_ipv6_prefix));
		IPACMDBG_H("Setup backhaul ipv6 prefix to be 0x%08x%08x.\n", backhaul_ipv6_prefix[0], backhaul_ipv6_prefix[1]);

		IPACM_Wan::wan_up_v6 = true;
		active_v6 = true;
		memcpy(IPACM_Wan::wan_up_dev_name,
			dev_name,
				sizeof(IPACM_Wan::wan_up_dev_name));

		if(m_is_sta_mode == Q6_WAN)
		{
			config_wan_firewall_rule(IPA_IP_v6);
			install_wan_filtering_rule(false);
		}
		else
		{
			config_dft_firewall_rules(IPA_IP_v6);
		}

		memcpy(wanup_data->ifname, dev_name, sizeof(wanup_data->ifname));
		wanup_data->backhaul_type = m_is_sta_mode;
		memcpy(wanup_data->ipv6_prefix, ipv6_prefix, sizeof(wanup_data->ipv6_prefix));
		IPACMDBG_H("Posting IPA_HANDLE_WAN_UP_V6 with below information:\n");
		IPACMDBG_H("if_name:%s, is sta mode: %d\n", wanup_data->ifname, wanup_data->backhaul_type);
		IPACMDBG_H("ipv6 prefix: 0x%08x%08x.\n", ipv6_prefix[0], ipv6_prefix[1]);
		memset(&evt_data, 0, sizeof(evt_data));
		evt_data.event = IPA_HANDLE_WAN_UP_V6;
		evt_data.evt_data = (void *)wanup_data;
		IPACM_EvtDispatcher::PostEvt(&evt_data);

#ifdef FEATURE_IPACM_HAL
                post_wan_up_tether_evt(IPA_IP_v6, 0);
#endif
	}

	if(IPACM_Iface::ipacmcfg->GetIPAVer() >= IPA_HW_None && IPACM_Iface::ipacmcfg->GetIPAVer() < IPA_HW_v4_0)
	{
			/* Add corresponding ipa_rm_resource_name of TX-endpoint up before IPV6 RT-rule set */
			IPACMDBG_H("dev %s add producer dependency\n", dev_name);
			IPACMDBG_H("depend Got pipe %d rm index : %d \n", tx_prop->tx[0].dst_pipe, IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe]);
			IPACM_Iface::ipacmcfg->AddRmDepend(IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe],false);
#ifdef WAN_IOC_NOTIFY_WAN_STATE
	} else {
			if ((m_is_sta_mode == Q6_WAN && ipa_pm_q6_check == 0 ) || (m_is_sta_mode == Q6_MHI_WAN))
			{
				fd_wwan_ioctl = open(WWAN_QMI_IOCTL_DEVICE_NAME, O_RDWR);
				if(fd_wwan_ioctl < 0)
				{
					IPACMERR("Failed to open %s.\n",WWAN_QMI_IOCTL_DEVICE_NAME);
					free(rt_rule);
					return false;
				}
				IPACMDBG_H("send WAN_IOC_NOTIFY_WAN_STATE up to IPA_PM\n");
				wan_state.up = true;
				if(ioctl(fd_wwan_ioctl, WAN_IOC_NOTIFY_WAN_STATE, &wan_state))
				{
					IPACMERR("Failed to send WAN_IOC_NOTIFY_WAN_STATE as up %d\n ", wan_state.up);
				}
				close(fd_wwan_ioctl);
			}
			ipa_pm_q6_check++;
			IPACMDBG_H("update ipa_pm_q6_check to %d\n", ipa_pm_q6_check);
	}
#else
	}
#endif
	if(rt_rule != NULL)
	{
		free(rt_rule);
	}
	return IPACM_SUCCESS;
}

#ifdef FEATURE_IPA_ANDROID
/* wan default route/filter rule configuration */
int IPACM_Wan::post_wan_up_tether_evt(ipa_ip_type iptype, int ipa_if_num_tether)
{
	ipacm_cmd_q_data evt_data;
	ipacm_event_iface_up_tehter *wanup_data;

	wanup_data = (ipacm_event_iface_up_tehter *)malloc(sizeof(ipacm_event_iface_up_tehter));
	if (wanup_data == NULL)
	{
		IPACMERR("Unable to allocate memory\n");
		return IPACM_FAILURE;
	}
	memset(wanup_data, 0, sizeof(ipacm_event_iface_up_tehter));

	wanup_data->if_index_tether = ipa_if_num_tether;
	wanup_data->backhaul_type = m_is_sta_mode;
	/* xlat mux-id*/
	if(is_xlat && (m_is_sta_mode == Q6_WAN))
		wanup_data->xlat_mux_id = ext_prop->ext[0].mux_id;
	else
		wanup_data->xlat_mux_id = 0;
	IPACMDBG_H("Posting IPA_HANDLE_WAN_UP_TETHER with below information:\n");
	IPACMDBG_H("tether_if_name:%s, is sta mode:%d xlat_mux_id: %d\n",
			IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether].iface_name, wanup_data->backhaul_type, wanup_data->xlat_mux_id);

	memset(&evt_data, 0, sizeof(evt_data));

	if (iptype == IPA_IP_v4)
	{
		evt_data.event = IPA_HANDLE_WAN_UP_TETHER;
#ifndef FEATURE_IPACM_HAL
		/* Add support tether ifaces to its array*/
		IPACM_Wan::ipa_if_num_tether_v4[IPACM_Wan::ipa_if_num_tether_v4_total] = ipa_if_num_tether;
		IPACMDBG_H("adding tether iface(%s) ipa_if_num_tether_v4_total(%d) on wan_iface(%s)\n",
			IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether].iface_name,
			IPACM_Wan::ipa_if_num_tether_v4_total,
			IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].iface_name);
		IPACM_Wan::ipa_if_num_tether_v4_total++;
#endif
	}
	else
	{
		evt_data.event = IPA_HANDLE_WAN_UP_V6_TETHER;
		memcpy(wanup_data->ipv6_prefix, ipv6_prefix, sizeof(wanup_data->ipv6_prefix));
#ifndef FEATURE_IPACM_HAL
		/* Add support tether ifaces to its array*/
		IPACM_Wan::ipa_if_num_tether_v6[IPACM_Wan::ipa_if_num_tether_v6_total] = ipa_if_num_tether;
		IPACMDBG_H("adding tether iface(%s) ipa_if_num_tether_v6_total(%d) on wan_iface(%s)\n",
			IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether].iface_name,
			IPACM_Wan::ipa_if_num_tether_v6_total,
			IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].iface_name);
		IPACM_Wan::ipa_if_num_tether_v6_total++;
#endif
	}
		evt_data.evt_data = (void *)wanup_data;
		IPACM_EvtDispatcher::PostEvt(&evt_data);

	return IPACM_SUCCESS;
}


/* wan default route/filter rule configuration */
int IPACM_Wan::post_wan_down_tether_evt(ipa_ip_type iptype, int ipa_if_num_tether)
{
	ipacm_cmd_q_data evt_data;
	ipacm_event_iface_up_tehter *wandown_data;

	wandown_data = (ipacm_event_iface_up_tehter *)malloc(sizeof(ipacm_event_iface_up_tehter));
	if (wandown_data == NULL)
	{
		IPACMERR("Unable to allocate memory\n");
		return IPACM_FAILURE;
	}
	memset(wandown_data, 0, sizeof(ipacm_event_iface_up_tehter));

	wandown_data->if_index_tether = ipa_if_num_tether;
	wandown_data->backhaul_type = m_is_sta_mode;
	IPACMDBG_H("Posting IPA_HANDLE_WAN_DOWN_TETHER with below information:\n");
	IPACMDBG_H("tether_if_name:%s, is sta mode:%d\n",
			IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether].iface_name, wandown_data->backhaul_type);
	memset(&evt_data, 0, sizeof(evt_data));

	if (iptype == IPA_IP_v4)
	{
#ifndef FEATURE_IPACM_HAL
		if(delete_tether_iface(iptype, ipa_if_num_tether))
		{
			IPACMDBG_H("Not finding the tethered client on ipv4.\n");
			free(wandown_data);
			return IPACM_SUCCESS;
		}
#endif
		evt_data.event = IPA_HANDLE_WAN_DOWN_TETHER;
	}
	else
	{
#ifndef FEATURE_IPACM_HAL
		if(delete_tether_iface(iptype, ipa_if_num_tether))
		{
			IPACMDBG_H("Not finding the tethered client on ipv6.\n");
			free(wandown_data);
			return IPACM_SUCCESS;
		}
#endif
		evt_data.event = IPA_HANDLE_WAN_DOWN_V6_TETHER;
	}
		evt_data.evt_data = (void *)wandown_data;
		IPACM_EvtDispatcher::PostEvt(&evt_data);
	return IPACM_SUCCESS;
}
#endif

/* construct complete ethernet header */
int IPACM_Wan::handle_sta_header_add_evt()
{
	int res = IPACM_SUCCESS, index = IPACM_INVALID_INDEX;
	if((header_set_v4 == true) || (header_set_v6 == true))
	{
		IPACMDBG_H("Already add STA full header\n");
		return IPACM_SUCCESS;
	}

	/* checking if the ipv4 same as default route */
	if(wan_v4_addr_gw_set)
	{
		index = get_wan_client_index_ipv4(wan_v4_addr_gw);
		if (index != IPACM_INVALID_INDEX)
		{
			IPACMDBG_H("Matched client index: %d\n", index);
			IPACMDBG_H("Received Client MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
					 get_client_memptr(wan_client, index)->mac[0],
					 get_client_memptr(wan_client, index)->mac[1],
					 get_client_memptr(wan_client, index)->mac[2],
					 get_client_memptr(wan_client, index)->mac[3],
					 get_client_memptr(wan_client, index)->mac[4],
					 get_client_memptr(wan_client, index)->mac[5]);

			if(get_client_memptr(wan_client, index)->ipv4_header_set)
			{
				hdr_hdl_sta_v4 = get_client_memptr(wan_client, index)->hdr_hdl_v4;
				header_set_v4 = true;
				IPACMDBG_H("add full ipv4 header hdl: (%x)\n", get_client_memptr(wan_client, index)->hdr_hdl_v4);
				/* store external_ap's MAC */
				memcpy(ext_router_mac_addr, get_client_memptr(wan_client, index)->mac, sizeof(ext_router_mac_addr));
			}
			else
			{
				IPACMERR(" wan-client got ipv4 however didn't construct complete ipv4 header \n");
				return IPACM_FAILURE;
			}

			if(get_client_memptr(wan_client, index)->ipv6_header_set)
			{
				hdr_hdl_sta_v6 = get_client_memptr(wan_client, index)->hdr_hdl_v6;
				header_set_v6 = true;
				IPACMDBG_H("add full ipv6 header hdl: (%x)\n", get_client_memptr(wan_client, index)->hdr_hdl_v6);
			}
			else
			{
				IPACMERR(" wan-client got ipv6 however didn't construct complete ipv6 header \n");
				return IPACM_FAILURE;
			}
		}
		else
		{
			IPACMDBG_H(" currently can't find matched wan-client's MAC-addr, waiting for header construction\n");
			return IPACM_SUCCESS;
		}
	}

	/* checking if the ipv4 same as default route */
	if(wan_v6_addr_gw_set)
	{
		index = get_wan_client_index_ipv6(wan_v6_addr_gw);
		if (index != IPACM_INVALID_INDEX)
		{
			IPACMDBG_H("Matched client index: %d\n", index);
			IPACMDBG_H("Received Client MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
					 get_client_memptr(wan_client, index)->mac[0],
					 get_client_memptr(wan_client, index)->mac[1],
					 get_client_memptr(wan_client, index)->mac[2],
					 get_client_memptr(wan_client, index)->mac[3],
					 get_client_memptr(wan_client, index)->mac[4],
					 get_client_memptr(wan_client, index)->mac[5]);

			if(get_client_memptr(wan_client, index)->ipv6_header_set)
			{
				hdr_hdl_sta_v6 = get_client_memptr(wan_client, index)->hdr_hdl_v6;
				header_set_v6 = true;
				IPACMDBG_H("add full ipv6 header hdl: (%x)\n", get_client_memptr(wan_client, index)->hdr_hdl_v6);
				/* store external_ap's MAC */
				memcpy(ext_router_mac_addr, get_client_memptr(wan_client, index)->mac, sizeof(ext_router_mac_addr));
			}
			else
			{
				IPACMERR(" wan-client got ipv6 however didn't construct complete ipv4 header \n");
				return IPACM_FAILURE;
			}

			if(get_client_memptr(wan_client, index)->ipv4_header_set)
			{
				hdr_hdl_sta_v4 = get_client_memptr(wan_client, index)->hdr_hdl_v4;
				header_set_v4 = true;
				IPACMDBG_H("add full ipv4 header hdl: (%x)\n", get_client_memptr(wan_client, index)->hdr_hdl_v4);
			}
			else
			{
				IPACMERR(" wan-client got ipv4 however didn't construct complete ipv4 header \n");
				return IPACM_FAILURE;
			}
		}
		else
		{
			IPACMDBG_H(" currently can't find matched wan-client's MAC-addr, waiting for header construction\n");
			return IPACM_SUCCESS;
		}
	}

	/* see if default routes are setup before constructing full header */
	if(header_partial_default_wan_v4 == true)
	{
	   handle_route_add_evt(IPA_IP_v4);
	}

	if(header_partial_default_wan_v6 == true)
	{
	   handle_route_add_evt(IPA_IP_v6);
	}
	return res;
}

/* For checking attribute mask field in firewall rules for IPv6 only */
bool IPACM_Wan::check_dft_firewall_rules_attr_mask(IPACM_firewall_conf_t *firewall_config)
{
	uint32_t attrib_mask = 0ul;
	attrib_mask =	IPA_FLT_SRC_PORT_RANGE |
			IPA_FLT_DST_PORT_RANGE |
			IPA_FLT_TYPE |
			IPA_FLT_CODE |
			IPA_FLT_SPI |
			IPA_FLT_SRC_PORT |
			IPA_FLT_DST_PORT;

	for (int i = 0; i < firewall_config->num_extd_firewall_entries; i++)
	{
		if (firewall_config->extd_firewall_entries[i].ip_vsn == 6)
		{
			if (firewall_config->extd_firewall_entries[i].attrib.attrib_mask & attrib_mask)
			{
				IPACMDBG_H("IHL based attribute mask is found: install IPv6 frag firewall rule \n");
				return true;
			}
		}
	}
	IPACMDBG_H("IHL based attribute mask is not found: no IPv6 frag firewall rule \n");
	return false;
}

/* for STA mode: add firewall rules */
int IPACM_Wan::config_dft_firewall_rules(ipa_ip_type iptype)
{
	struct ipa_flt_rule_add flt_rule_entry;
	int i, rule_v4 = 0, rule_v6 = 0, len;

	IPACMDBG_H("ip-family: %d; \n", iptype);

	if (rx_prop == NULL)
	{
		IPACMDBG_H("No rx properties registered for iface %s\n", dev_name);
		return IPACM_SUCCESS;
	}

	/* default firewall is disable and the rule action is drop */
	memset(&firewall_config, 0, sizeof(firewall_config));
	strlcpy(firewall_config.firewall_config_file, "/etc/mobileap_firewall.xml", sizeof(firewall_config.firewall_config_file));

	if(m_is_sta_mode != Q6_MHI_WAN)
	{
		IPACMDBG_H("Firewall XML file is %s \n", firewall_config.firewall_config_file);
		if (IPACM_SUCCESS == IPACM_read_firewall_xml(firewall_config.firewall_config_file, &firewall_config))
		{
			IPACMDBG_H("QCMAP Firewall XML read OK \n");
			/* find the number of v4/v6 firewall rules */
			for (i = 0; i < firewall_config.num_extd_firewall_entries; i++)
			{
				if (firewall_config.extd_firewall_entries[i].ip_vsn == 4)
				{
					rule_v4++;
				}
				else
				{
					rule_v6++;
				}
			}
			IPACMDBG_H("firewall rule v4:%d v6:%d total:%d\n", rule_v4, rule_v6, firewall_config.num_extd_firewall_entries);
		}
		else
		{
			IPACMERR("QCMAP Firewall XML read failed, no that file, use default configuration \n");
		}
	}
	else
	{
		IPACMDBG_H("in Q6_MHI_WAN mode, skip firewall, use default configuration \n");		
	}
	/* construct ipa_ioc_add_flt_rule with N firewall rules */
	ipa_ioc_add_flt_rule *m_pFilteringTable = NULL;
	len = sizeof(struct ipa_ioc_add_flt_rule) + 1 * sizeof(struct ipa_flt_rule_add);
	m_pFilteringTable = (struct ipa_ioc_add_flt_rule *)calloc(1, len);
	if (!m_pFilteringTable)
	{
		IPACMERR("Error Locate ipa_flt_rule_add memory...\n");
		return IPACM_FAILURE;
	}

	if(iptype == IPA_IP_v6 &&
			firewall_config.firewall_enable == true &&
			check_dft_firewall_rules_attr_mask(&firewall_config))
	{
		m_pFilteringTable->commit = 1;
		m_pFilteringTable->ep = rx_prop->rx[0].src_pipe;
		m_pFilteringTable->global = false;
		m_pFilteringTable->ip = IPA_IP_v6;
		m_pFilteringTable->num_rules = (uint8_t)1;

		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
		flt_rule_entry.at_rear = true;
#ifdef FEATURE_IPA_V3
		flt_rule_entry.at_rear = false;
		flt_rule_entry.rule.hashable = false;
#endif
		flt_rule_entry.flt_rule_hdl = -1;
		flt_rule_entry.status = -1;
		flt_rule_entry.rule.action = IPA_PASS_TO_EXCEPTION;
		memcpy(&flt_rule_entry.rule.attrib, &rx_prop->rx[0].attrib, sizeof(struct ipa_rule_attrib));
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_FRAGMENT;
		memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
		if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
		{
			IPACMERR("Error Adding RuleTable(0) to Filtering, aborting...\n");
			free(m_pFilteringTable);
			return IPACM_FAILURE;
		}
		else
		{
			IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
			ipv6_frag_firewall_flt_rule_hdl = m_pFilteringTable->rules[0].flt_rule_hdl;
			is_ipv6_frag_firewall_flt_rule_installed = true;
			IPACMDBG_H("Installed IPv6 frag firewall rule, handle %d.\n", ipv6_frag_firewall_flt_rule_hdl);
		}
	}

	if (iptype == IPA_IP_v4)
	{
		if (rule_v4 == 0)
		{
			memset(m_pFilteringTable, 0, len);

			m_pFilteringTable->commit = 1;
			m_pFilteringTable->ep = rx_prop->rx[0].src_pipe;
			m_pFilteringTable->global = false;
			m_pFilteringTable->ip = IPA_IP_v4;
			m_pFilteringTable->num_rules = (uint8_t)1;

			memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

			if (false == m_routing.GetRoutingTable(&IPACM_Iface::ipacmcfg->rt_tbl_lan_v4))
			{
				IPACMERR("m_routing.GetRoutingTable(rt_tbl_lan_v4) Failed.\n");
				free(m_pFilteringTable);
				return IPACM_FAILURE;
			}

			flt_rule_entry.flt_rule_hdl = -1;
			flt_rule_entry.status = -1;

			/* firewall disable, all traffic are allowed */
			if(firewall_config.firewall_enable == true)
			{
				flt_rule_entry.at_rear = true;

				/* default action for v4 is go DST_NAT unless user set to exception*/
				if(firewall_config.rule_action_accept == true)
				{
					flt_rule_entry.rule.action = IPA_PASS_TO_EXCEPTION;
				}
				else
				{
					if(IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_mode == ROUTER)
					{
						flt_rule_entry.rule.action = IPA_PASS_TO_DST_NAT;
					}
					else
					{
						flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
					}
				}
			}
			else
			{
				flt_rule_entry.at_rear = true;
				if(IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_mode == ROUTER)
				{
					flt_rule_entry.rule.action = IPA_PASS_TO_DST_NAT;
				}
				else
				{
					flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
				}
            }
#ifdef FEATURE_IPA_V3
			flt_rule_entry.at_rear = true;
			flt_rule_entry.rule.hashable = true;
#endif
			flt_rule_entry.rule.rt_tbl_hdl = IPACM_Iface::ipacmcfg->rt_tbl_lan_v4.hdl;
			memcpy(&flt_rule_entry.rule.attrib,
						 &rx_prop->rx[0].attrib,
						 sizeof(struct ipa_rule_attrib));
			flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
			flt_rule_entry.rule.attrib.u.v4.dst_addr_mask = 0x00000000;
			flt_rule_entry.rule.attrib.u.v4.dst_addr = 0x00000000;

			/* disble meta-data filtering */
			if(m_is_sta_mode == Q6_MHI_WAN)
			{
				flt_rule_entry.rule.attrib.attrib_mask &= ~((uint32_t)IPA_FLT_META_DATA);
				IPACMDBG_H("disable meta-data filtering 0x%x\n", flt_rule_entry.rule.attrib.attrib_mask);
			}

			memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

			if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
			{
				IPACMERR("Error Adding RuleTable(0) to Filtering, aborting...\n");
				free(m_pFilteringTable);
				return IPACM_FAILURE;
			}
			else
			{
				IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v4, 1);
				IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n", m_pFilteringTable->rules[0].flt_rule_hdl, m_pFilteringTable->rules[0].status);
			}

			/* copy filter hdls */
			dft_wan_fl_hdl[0] = m_pFilteringTable->rules[0].flt_rule_hdl;
		}
		else
		{
			memset(m_pFilteringTable, 0, len);

			m_pFilteringTable->commit = 1;
			m_pFilteringTable->ep = rx_prop->rx[0].src_pipe;
			m_pFilteringTable->global = false;
			m_pFilteringTable->ip = IPA_IP_v4;
			m_pFilteringTable->num_rules = (uint8_t)1;

			IPACMDBG_H("Retreiving Routing handle for routing table name:%s\n",
							 IPACM_Iface::ipacmcfg->rt_tbl_lan_v4.name);
			if (false == m_routing.GetRoutingTable(&IPACM_Iface::ipacmcfg->rt_tbl_lan_v4))
			{
				IPACMERR("m_routing.GetRoutingTable(&rt_tbl_lan_v4=0x%p) Failed.\n", &IPACM_Iface::ipacmcfg->rt_tbl_lan_v4);
				free(m_pFilteringTable);
				return IPACM_FAILURE;
			}
			IPACMDBG_H("Routing handle for wan routing table:0x%x\n", IPACM_Iface::ipacmcfg->rt_tbl_lan_v4.hdl);

            if(firewall_config.firewall_enable == true)
            {
			rule_v4 = 0;
			for (i = 0; i < firewall_config.num_extd_firewall_entries; i++)
			{
				if (firewall_config.extd_firewall_entries[i].ip_vsn == 4)
				{
					memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

		    			flt_rule_entry.at_rear = true;
					flt_rule_entry.flt_rule_hdl = -1;
					flt_rule_entry.status = -1;
					flt_rule_entry.rule.rt_tbl_hdl = IPACM_Iface::ipacmcfg->rt_tbl_lan_v4.hdl;

					/* Accept v4 matched rules*/
                    if(firewall_config.rule_action_accept == true)
			        {
						if(IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_mode == ROUTER)
						{
							flt_rule_entry.rule.action = IPA_PASS_TO_DST_NAT;
						}
						else
						{
							flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
						}
			        }
			        else
			        {
			            flt_rule_entry.rule.action = IPA_PASS_TO_EXCEPTION;
                    }
#ifdef FEATURE_IPA_V3
					flt_rule_entry.rule.hashable = true;
#endif
					memcpy(&flt_rule_entry.rule.attrib,
								 &firewall_config.extd_firewall_entries[i].attrib,
								 sizeof(struct ipa_rule_attrib));

					IPACMDBG_H("rx property attrib mask: 0x%x\n", rx_prop->rx[0].attrib.attrib_mask);
					flt_rule_entry.rule.attrib.attrib_mask |= rx_prop->rx[0].attrib.attrib_mask;
					flt_rule_entry.rule.attrib.meta_data_mask = rx_prop->rx[0].attrib.meta_data_mask;
					flt_rule_entry.rule.attrib.meta_data = rx_prop->rx[0].attrib.meta_data;

					/* check if the rule is define as TCP_UDP, split into 2 rules, 1 for TCP and 1 UDP */
					if (firewall_config.extd_firewall_entries[i].attrib.u.v4.protocol
							== IPACM_FIREWALL_IPPROTO_TCP_UDP)
					{
						/* insert TCP rule*/
						flt_rule_entry.rule.attrib.u.v4.protocol = IPACM_FIREWALL_IPPROTO_TCP;
						memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

						IPACMDBG_H("Filter rule attrib mask: 0x%x\n",
										 m_pFilteringTable->rules[0].rule.attrib.attrib_mask);
						if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
						{
							IPACMERR("Error Adding RuleTable(0) to Filtering, aborting...\n");
							free(m_pFilteringTable);
							return IPACM_FAILURE;
						}
						else
						{
							IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v4, 1);
							/* save v4 firewall filter rule handler */
							IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n",
											 m_pFilteringTable->rules[rule_v4].flt_rule_hdl,
											 m_pFilteringTable->rules[rule_v4].status);
							firewall_hdl_v4[rule_v4] = m_pFilteringTable->rules[0].flt_rule_hdl;
							num_firewall_v4++;
							rule_v4++;
						}

						/* insert UDP rule*/
						flt_rule_entry.rule.attrib.u.v4.protocol = IPACM_FIREWALL_IPPROTO_UDP;
						memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

						IPACMDBG_H("Filter rule attrib mask: 0x%x\n",
										 m_pFilteringTable->rules[0].rule.attrib.attrib_mask);
						if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
						{
							IPACMERR("Error Adding RuleTable(0) to Filtering, aborting...\n");
							free(m_pFilteringTable);
							return IPACM_FAILURE;
						}
						else
						{
							IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v4, 1);
							/* save v4 firewall filter rule handler */
							IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n",
											 m_pFilteringTable->rules[rule_v4].flt_rule_hdl,
											 m_pFilteringTable->rules[rule_v4].status);
							firewall_hdl_v4[rule_v4] = m_pFilteringTable->rules[0].flt_rule_hdl;
							num_firewall_v4++;
							rule_v4++;
						}
					}
					else
					{
						memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

						IPACMDBG_H("Filter rule attrib mask: 0x%x\n",
										 m_pFilteringTable->rules[0].rule.attrib.attrib_mask);
						if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
						{
							IPACMERR("Error Adding RuleTable(0) to Filtering, aborting...\n");
							free(m_pFilteringTable);
							return IPACM_FAILURE;
						}
						else
						{
							IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v4, 1);
							/* save v4 firewall filter rule handler */
							IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n",
											 m_pFilteringTable->rules[rule_v4].flt_rule_hdl,
											 m_pFilteringTable->rules[rule_v4].status);
							firewall_hdl_v4[rule_v4] = m_pFilteringTable->rules[0].flt_rule_hdl;
							num_firewall_v4++;
							rule_v4++;
						}
					}
				}
			} /* end of firewall ipv4 filter rule add for loop*/
            }
			/* configure default filter rule */
			memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

			flt_rule_entry.flt_rule_hdl = -1;
			flt_rule_entry.status = -1;

			/* firewall disable, all traffic are allowed */
            if(firewall_config.firewall_enable == true)
			{
			     flt_rule_entry.at_rear = true;

			     /* default action for v4 is go DST_NAT unless user set to exception*/
                             if(firewall_config.rule_action_accept == true)
			     {
			        flt_rule_entry.rule.action = IPA_PASS_TO_EXCEPTION;
			     }
			     else
			     {
					if(IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_mode == ROUTER)
					{
						flt_rule_entry.rule.action = IPA_PASS_TO_DST_NAT;
					}
					else
					{
						flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
					}
				}
		    }
			else
			{
			    flt_rule_entry.at_rear = true;
				if(IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_mode == ROUTER)
				{
					flt_rule_entry.rule.action = IPA_PASS_TO_DST_NAT;
				}
				else
				{
					flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
				}
            }
#ifdef FEATURE_IPA_V3
			flt_rule_entry.rule.hashable = true;
#endif
			flt_rule_entry.rule.rt_tbl_hdl = IPACM_Iface::ipacmcfg->rt_tbl_lan_v4.hdl;
			memcpy(&flt_rule_entry.rule.attrib,
						 &rx_prop->rx[0].attrib,
						 sizeof(struct ipa_rule_attrib));
			flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
			flt_rule_entry.rule.attrib.u.v4.dst_addr_mask = 0x00000000;
			flt_rule_entry.rule.attrib.u.v4.dst_addr = 0x00000000;

			memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

			IPACMDBG_H("Filter rule attrib mask: 0x%x\n",
							 m_pFilteringTable->rules[0].rule.attrib.attrib_mask);
			if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
			{
				IPACMERR("Error Adding RuleTable(0) to Filtering, aborting...\n");
				free(m_pFilteringTable);
				return IPACM_FAILURE;
			}
			else
			{
				IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v4, 1);
				IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n", m_pFilteringTable->rules[0].flt_rule_hdl, m_pFilteringTable->rules[0].status);
			}

			/* copy filter hdls */
			dft_wan_fl_hdl[0] = m_pFilteringTable->rules[0].flt_rule_hdl;
		}

	}
	else
	{
		if (rule_v6 == 0)
		{
			memset(m_pFilteringTable, 0, len);

			m_pFilteringTable->commit = 1;
			m_pFilteringTable->ep = rx_prop->rx[0].src_pipe;
			m_pFilteringTable->global = false;
			m_pFilteringTable->ip = IPA_IP_v6;
			m_pFilteringTable->num_rules = (uint8_t)1;

			if(m_is_sta_mode != Q6_MHI_WAN)
			{
				/* Construct ICMP rule */
				memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
				flt_rule_entry.at_rear = true;
				flt_rule_entry.flt_rule_hdl = -1;
				flt_rule_entry.status = -1;
				flt_rule_entry.rule.retain_hdr = 1;
				flt_rule_entry.rule.eq_attrib_type = 0;
				flt_rule_entry.rule.action = IPA_PASS_TO_EXCEPTION;
#ifdef FEATURE_IPA_V3
			flt_rule_entry.rule.hashable = true;
#endif
				memcpy(&flt_rule_entry.rule.attrib,
						&rx_prop->rx[0].attrib,
						sizeof(struct ipa_rule_attrib));
				flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_NEXT_HDR;
				flt_rule_entry.rule.attrib.u.v6.next_hdr = (uint8_t)IPACM_FIREWALL_IPPROTO_ICMP6;
				memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
				if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
				{
					IPACMERR("Error Adding Filtering rules, aborting...\n");
					free(m_pFilteringTable);
					return IPACM_FAILURE;
				}
				else
				{
					IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
					IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n", m_pFilteringTable->rules[0].flt_rule_hdl, m_pFilteringTable->rules[0].status);
				}
				/* copy filter hdls */
				dft_wan_fl_hdl[2] = m_pFilteringTable->rules[0].flt_rule_hdl;
				/* End of construct ICMP rule */
			}
			else
			{
				IPACMDBG_H("in Q6_MHI_WAN mode, skip ICMPv6 flt rule \n");		
			}
			/* v6 default route */
			memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
			if (false == m_routing.GetRoutingTable(&IPACM_Iface::ipacmcfg->rt_tbl_wan_v6)) //rt_tbl_wan_v6 rt_tbl_v6
			{
				IPACMERR("m_routing.GetRoutingTable(rt_tbl_wan_v6) Failed.\n");
				free(m_pFilteringTable);
				return IPACM_FAILURE;
			}

			flt_rule_entry.flt_rule_hdl = -1;
			flt_rule_entry.status = -1;
			flt_rule_entry.rule.rt_tbl_hdl = IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.hdl;

			/* firewall disable, all traffic are allowed */
			if(firewall_config.firewall_enable == true)
			{
				flt_rule_entry.at_rear = true;
				/* default action for v6 is PASS_TO_ROUTE unless user set to exception*/
				if(firewall_config.rule_action_accept == true)
				{
					flt_rule_entry.rule.action = IPA_PASS_TO_EXCEPTION;
				}
				else
				{
			       flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
				}
			}
			else
			{
			  flt_rule_entry.at_rear = true;
			  flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
			}
#ifdef FEATURE_IPA_V3
			flt_rule_entry.rule.hashable = true;
#endif
			memcpy(&flt_rule_entry.rule.attrib,
						 &rx_prop->rx[0].attrib,
						 sizeof(struct ipa_rule_attrib));
			flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
			flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[0] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[1] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[2] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[3] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr[0] = 0X00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr[1] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr[2] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr[3] = 0X00000000;
			/* disble meta-data filtering */
			if(m_is_sta_mode == Q6_MHI_WAN)
			{
				flt_rule_entry.rule.attrib.attrib_mask &= ~((uint32_t)IPA_FLT_META_DATA);
				IPACMDBG_H("disable meta-data filtering 0x%x\n", flt_rule_entry.rule.attrib.attrib_mask);
			}

			memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

			if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
			{
				IPACMERR("Error Adding Filtering rules, aborting...\n");
				free(m_pFilteringTable);
				return IPACM_FAILURE;
			}
			else
			{
				IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
				IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n", m_pFilteringTable->rules[0].flt_rule_hdl, m_pFilteringTable->rules[0].status);
			}

			/* copy filter hdls */
			dft_wan_fl_hdl[1] = m_pFilteringTable->rules[0].flt_rule_hdl;
		}
		else
		{
			memset(m_pFilteringTable, 0, len);

			m_pFilteringTable->commit = 1;
			m_pFilteringTable->ep = rx_prop->rx[0].src_pipe;
			m_pFilteringTable->global = false;
			m_pFilteringTable->ip = IPA_IP_v6;
			m_pFilteringTable->num_rules = (uint8_t)1;

			if (false == m_routing.GetRoutingTable(&IPACM_Iface::ipacmcfg->rt_tbl_wan_v6))
			{
				IPACMERR("m_routing.GetRoutingTable(rt_tbl_wan_v6) Failed.\n");
				free(m_pFilteringTable);
				return IPACM_FAILURE;
			}

            if(firewall_config.firewall_enable == true)
            {
			rule_v6 = 0;
			for (i = 0; i < firewall_config.num_extd_firewall_entries; i++)
			{
				if (firewall_config.extd_firewall_entries[i].ip_vsn == 6)
				{
					memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

		    			flt_rule_entry.at_rear = true;
					flt_rule_entry.flt_rule_hdl = -1;
					flt_rule_entry.status = -1;

				    /* matched rules for v6 go PASS_TO_ROUTE */
                                    if(firewall_config.rule_action_accept == true)
			            {
			                flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
			            }
			            else
			            {
					flt_rule_entry.rule.action = IPA_PASS_TO_EXCEPTION;
                                    }
#ifdef FEATURE_IPA_V3
					flt_rule_entry.rule.hashable = true;
#endif
		    			flt_rule_entry.rule.rt_tbl_hdl = IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.hdl;
					memcpy(&flt_rule_entry.rule.attrib,
								 &firewall_config.extd_firewall_entries[i].attrib,
								 sizeof(struct ipa_rule_attrib));
					flt_rule_entry.rule.attrib.attrib_mask |= rx_prop->rx[0].attrib.attrib_mask;
					flt_rule_entry.rule.attrib.meta_data_mask = rx_prop->rx[0].attrib.meta_data_mask;
					flt_rule_entry.rule.attrib.meta_data = rx_prop->rx[0].attrib.meta_data;

					/* check if the rule is define as TCP/UDP */
					if (firewall_config.extd_firewall_entries[i].attrib.u.v6.next_hdr == IPACM_FIREWALL_IPPROTO_TCP_UDP)
					{
						/* insert TCP rule*/
						flt_rule_entry.rule.attrib.u.v6.next_hdr = IPACM_FIREWALL_IPPROTO_TCP;
						memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
						if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
						{
							IPACMERR("Error Adding Filtering rules, aborting...\n");
							free(m_pFilteringTable);
							return IPACM_FAILURE;
						}
						else
						{
							IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
							/* save v4 firewall filter rule handler */
							IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n", m_pFilteringTable->rules[0].flt_rule_hdl, m_pFilteringTable->rules[0].status);
							firewall_hdl_v6[rule_v6] = m_pFilteringTable->rules[0].flt_rule_hdl;
							num_firewall_v6++;
							rule_v6++;
						}

						/* insert UDP rule*/
						flt_rule_entry.rule.attrib.u.v6.next_hdr = IPACM_FIREWALL_IPPROTO_UDP;
						memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
						if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
						{
							IPACMERR("Error Adding Filtering rules, aborting...\n");
							free(m_pFilteringTable);
							return IPACM_FAILURE;
						}
						else
						{
							IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
							/* save v6 firewall filter rule handler */
							IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n", m_pFilteringTable->rules[0].flt_rule_hdl, m_pFilteringTable->rules[0].status);
							firewall_hdl_v6[rule_v6] = m_pFilteringTable->rules[0].flt_rule_hdl;
							num_firewall_v6++;
							rule_v6++;
						}
					}
					else
					{
						memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
						if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
						{
							IPACMERR("Error Adding Filtering rules, aborting...\n");
							free(m_pFilteringTable);
							return IPACM_FAILURE;
						}
						else
						{
							IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
							/* save v6 firewall filter rule handler */
							IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n", m_pFilteringTable->rules[0].flt_rule_hdl, m_pFilteringTable->rules[0].status);
							firewall_hdl_v6[rule_v6] = m_pFilteringTable->rules[0].flt_rule_hdl;
							num_firewall_v6++;
							rule_v6++;
						}
					}
				}
			} /* end of firewall ipv6 filter rule add for loop*/
            }

			/* Construct ICMP rule */
			memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
			flt_rule_entry.at_rear = true;
			flt_rule_entry.flt_rule_hdl = -1;
			flt_rule_entry.status = -1;
			flt_rule_entry.rule.retain_hdr = 1;
			flt_rule_entry.rule.eq_attrib_type = 0;
			flt_rule_entry.rule.action = IPA_PASS_TO_EXCEPTION;
#ifdef FEATURE_IPA_V3
			flt_rule_entry.rule.hashable = true;
#endif
			memcpy(&flt_rule_entry.rule.attrib,
					 &rx_prop->rx[0].attrib,
					 sizeof(struct ipa_rule_attrib));
			flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_NEXT_HDR;
			flt_rule_entry.rule.attrib.u.v6.next_hdr = (uint8_t)IPACM_FIREWALL_IPPROTO_ICMP6;
			memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

			if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
			{
				IPACMERR("Error Adding Filtering rules, aborting...\n");
				free(m_pFilteringTable);
				return IPACM_FAILURE;
			}
			else
			{
				IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
				IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n", m_pFilteringTable->rules[0].flt_rule_hdl, m_pFilteringTable->rules[0].status);
			}
			/* copy filter hdls */
			dft_wan_fl_hdl[2] = m_pFilteringTable->rules[0].flt_rule_hdl;
			/* End of construct ICMP rule */

			/* setup default wan filter rule */
			memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

			flt_rule_entry.flt_rule_hdl = -1;
			flt_rule_entry.status = -1;
			flt_rule_entry.rule.rt_tbl_hdl = IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.hdl;

			/* firewall disable, all traffic are allowed */
                        if(firewall_config.firewall_enable == true)
			{
			   flt_rule_entry.at_rear = true;

			   /* default action for v6 is PASS_TO_ROUTE unless user set to exception*/
               if(firewall_config.rule_action_accept == true)
			   {
			        flt_rule_entry.rule.action = IPA_PASS_TO_EXCEPTION;
			   }
			   else
			   {
			flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
                           }
		        }
			else
			{
			  flt_rule_entry.at_rear = true;
			  flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
                        }
#ifdef FEATURE_IPA_V3
			flt_rule_entry.rule.hashable = true;
#endif
			memcpy(&flt_rule_entry.rule.attrib,
						 &rx_prop->rx[0].attrib,
						 sizeof(struct ipa_rule_attrib));
			flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
			flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[0] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[1] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[2] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[3] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr[0] = 0X00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr[1] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr[2] = 0x00000000;
			flt_rule_entry.rule.attrib.u.v6.dst_addr[3] = 0X00000000;

			memcpy(&(m_pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

			if (false == m_filtering.AddFilteringRule(m_pFilteringTable))
			{
				IPACMERR("Error Adding Filtering rules, aborting...\n");
				free(m_pFilteringTable);
				return IPACM_FAILURE;
			}
			else
			{
				IPACM_Iface::ipacmcfg->increaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
				IPACMDBG_H("flt rule hdl0=0x%x, status=0x%x\n", m_pFilteringTable->rules[0].flt_rule_hdl, m_pFilteringTable->rules[0].status);
			}
			/* copy filter hdls*/
			dft_wan_fl_hdl[1] = m_pFilteringTable->rules[0].flt_rule_hdl;
		}
	}

	if(m_pFilteringTable != NULL)
	{
		free(m_pFilteringTable);
	}
	return IPACM_SUCCESS;
}

/* configure the initial firewall filter rules */
int IPACM_Wan::config_dft_firewall_rules_ex(struct ipa_flt_rule_add *rules, int rule_offset, ipa_ip_type iptype)
{
	struct ipa_flt_rule_add flt_rule_entry;
	int i;
	int num_rules = 0, original_num_rules = 0;
	ipa_ioc_get_rt_tbl_indx rt_tbl_idx;
	ipa_ioc_generate_flt_eq flt_eq;
	int pos = rule_offset;

	IPACMDBG_H("ip-family: %d; \n", iptype);

	if (rx_prop == NULL)
	{
		IPACMDBG_H("No rx properties registered for iface %s\n", dev_name);
		return IPACM_SUCCESS;
	}

	if(rules == NULL || rule_offset < 0)
	{
		IPACMERR("No filtering table is available.\n");
		return IPACM_FAILURE;
	}

	/* default firewall is disable and the rule action is drop */
	memset(&firewall_config, 0, sizeof(firewall_config));
	strlcpy(firewall_config.firewall_config_file, "/etc/mobileap_firewall.xml", sizeof(firewall_config.firewall_config_file));

	IPACMDBG_H("Firewall XML file is %s \n", firewall_config.firewall_config_file);
	if (IPACM_SUCCESS == IPACM_read_firewall_xml(firewall_config.firewall_config_file, &firewall_config))
	{
		IPACMDBG_H("QCMAP Firewall XML read OK \n");
	}
	else
	{
		IPACMERR("QCMAP Firewall XML read failed, no that file, use default configuration \n");
	}

	/* add IPv6 frag rule when firewall is enabled*/
	if(iptype == IPA_IP_v6 &&
			firewall_config.firewall_enable == true &&
			check_dft_firewall_rules_attr_mask(&firewall_config))
	{
		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
		flt_rule_entry.at_rear = true;
#ifdef FEATURE_IPA_V3
		flt_rule_entry.at_rear = false;
#endif
		flt_rule_entry.flt_rule_hdl = -1;
		flt_rule_entry.status = -1;

		flt_rule_entry.rule.retain_hdr = 1;
		flt_rule_entry.rule.to_uc = 0;
		flt_rule_entry.rule.eq_attrib_type = 1;
		flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
#ifdef FEATURE_IPA_V3
		flt_rule_entry.at_rear = false;
		flt_rule_entry.rule.hashable = false;
#endif
		memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
		rt_tbl_idx.ip = IPA_IP_v6;
		strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
		rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
		if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
		{
			IPACMERR("Failed to get routing table index from name\n");
			return IPACM_FAILURE;
		}
		flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;
		IPACMDBG_H("IPv6 frag flt rule uses routing table index %d\n", rt_tbl_idx.idx);

		flt_rule_entry.rule.attrib.attrib_mask |= rx_prop->rx[0].attrib.attrib_mask;
		flt_rule_entry.rule.attrib.meta_data_mask = rx_prop->rx[0].attrib.meta_data_mask;
		flt_rule_entry.rule.attrib.meta_data = rx_prop->rx[0].attrib.meta_data;

		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_FRAGMENT;

		change_to_network_order(IPA_IP_v6, &flt_rule_entry.rule.attrib);

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = IPA_IP_v6;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			return IPACM_FAILURE;
		}
		memcpy(&flt_rule_entry.rule.eq_attrib,
			&flt_eq.eq_attrib,
			sizeof(flt_rule_entry.rule.eq_attrib));

		memcpy(&(rules[pos]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
		pos++;
		IPACM_Wan::num_v6_flt_rule++;
	}

	if (iptype == IPA_IP_v4)
	{
		original_num_rules = IPACM_Wan::num_v4_flt_rule;
		if(firewall_config.firewall_enable == true)
		{
			for (i = 0; i < firewall_config.num_extd_firewall_entries; i++)
			{
				if (firewall_config.extd_firewall_entries[i].ip_vsn == 4)
				{
					memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

					flt_rule_entry.at_rear = true;
					flt_rule_entry.flt_rule_hdl = -1;
					flt_rule_entry.status = -1;

					flt_rule_entry.rule.retain_hdr = 1;
					flt_rule_entry.rule.to_uc = 0;
					flt_rule_entry.rule.eq_attrib_type = 1;

					/* Accept v4 matched rules*/
					if(firewall_config.rule_action_accept == true)
					{
						flt_rule_entry.rule.action = IPA_PASS_TO_DST_NAT;
					}
					else
					{
						flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
					}
#ifdef FEATURE_IPA_V3
					flt_rule_entry.rule.hashable = true;
#endif
					memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
					rt_tbl_idx.ip = iptype;
					if(flt_rule_entry.rule.action == IPA_PASS_TO_ROUTING)
					{
						strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
					}
					else /*pass to dst nat*/
					{
						strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_lan_v4.name, IPA_RESOURCE_NAME_MAX);
					}
					rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
					if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
					{
						IPACMERR("Failed to get routing table index from name\n");
						return IPACM_FAILURE;
					}
					flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

					IPACMDBG_H("Routing table %s has index %d\n", rt_tbl_idx.name, rt_tbl_idx.idx);

					memcpy(&flt_rule_entry.rule.attrib,
						&firewall_config.extd_firewall_entries[i].attrib,
						sizeof(struct ipa_rule_attrib));

					flt_rule_entry.rule.attrib.attrib_mask |= rx_prop->rx[0].attrib.attrib_mask;
					flt_rule_entry.rule.attrib.meta_data_mask = rx_prop->rx[0].attrib.meta_data_mask;
					flt_rule_entry.rule.attrib.meta_data = rx_prop->rx[0].attrib.meta_data;

					change_to_network_order(IPA_IP_v4, &flt_rule_entry.rule.attrib);

					/* check if the rule is define as TCP_UDP, split into 2 rules, 1 for TCP and 1 UDP */
					if (firewall_config.extd_firewall_entries[i].attrib.u.v4.protocol == IPACM_FIREWALL_IPPROTO_TCP_UDP)
					{
						/* insert TCP rule*/
						flt_rule_entry.rule.attrib.u.v4.protocol = IPACM_FIREWALL_IPPROTO_TCP;

						memset(&flt_eq, 0, sizeof(flt_eq));
						memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
						flt_eq.ip = iptype;
						if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
						{
							IPACMERR("Failed to get eq_attrib\n");
							return IPACM_FAILURE;
						}
						memcpy(&flt_rule_entry.rule.eq_attrib,
							&flt_eq.eq_attrib,
							sizeof(flt_rule_entry.rule.eq_attrib));

						memcpy(&(rules[pos]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
						IPACMDBG_H("Filter rule attrib mask: 0x%x\n", rules[pos].rule.attrib.attrib_mask);
						pos++;
						num_firewall_v4++;
						IPACM_Wan::num_v4_flt_rule++;

						/* insert UDP rule*/
						flt_rule_entry.rule.attrib.u.v4.protocol = IPACM_FIREWALL_IPPROTO_UDP;

						memset(&flt_eq, 0, sizeof(flt_eq));
						memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
						flt_eq.ip = iptype;
						if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
						{
							IPACMERR("Failed to get eq_attrib\n");
							return IPACM_FAILURE;
						}
						memcpy(&flt_rule_entry.rule.eq_attrib,
							&flt_eq.eq_attrib,
							sizeof(flt_rule_entry.rule.eq_attrib));

						memcpy(&(rules[pos]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
						IPACMDBG_H("Filter rule attrib mask: 0x%x\n", rules[pos].rule.attrib.attrib_mask);
						pos++;
						num_firewall_v4++;
						IPACM_Wan::num_v4_flt_rule++;
					}
					else
					{
						memset(&flt_eq, 0, sizeof(flt_eq));
						memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
						flt_eq.ip = iptype;
						if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
						{
							IPACMERR("Failed to get eq_attrib\n");
							return IPACM_FAILURE;
						}
						memcpy(&flt_rule_entry.rule.eq_attrib,
							&flt_eq.eq_attrib,
							sizeof(flt_rule_entry.rule.eq_attrib));

						memcpy(&(rules[pos]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
						IPACMDBG_H("Filter rule attrib mask: 0x%x\n", rules[pos].rule.attrib.attrib_mask);
						pos++;
						num_firewall_v4++;
						IPACM_Wan::num_v4_flt_rule++;
					}
				}
			} /* end of firewall ipv4 filter rule add for loop*/
		}
		/* configure default filter rule */
		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

		flt_rule_entry.at_rear = true;
		flt_rule_entry.flt_rule_hdl = -1;
		flt_rule_entry.status = -1;

		flt_rule_entry.rule.retain_hdr = 1;
		flt_rule_entry.rule.to_uc = 0;
		flt_rule_entry.rule.eq_attrib_type = 1;

		/* firewall disable, all traffic are allowed */
		if(firewall_config.firewall_enable == true)
		{
			/* default action for v4 is go DST_NAT unless user set to exception*/
			if(firewall_config.rule_action_accept == true)
			{
				flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
			}
			else
			{
				flt_rule_entry.rule.action = IPA_PASS_TO_DST_NAT;
			}
		}
		else
		{
			if(isWan_Bridge_Mode())
			{
				IPACMDBG_H("ODU is in bridge mode. \n");
				flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
			}
			else
			{
				flt_rule_entry.rule.action = IPA_PASS_TO_DST_NAT;
			}
		}
#ifdef FEATURE_IPA_V3
		flt_rule_entry.rule.hashable = true;
#endif
		memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
		rt_tbl_idx.ip = iptype;

		if(flt_rule_entry.rule.action == IPA_PASS_TO_ROUTING)
		{
			strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
		}
		else /*pass to dst nat*/
		{
			strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_lan_v4.name, IPA_RESOURCE_NAME_MAX);
		}
		rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';

		if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
		{
			IPACMERR("Failed to get routing table index from name\n");
			return IPACM_FAILURE;
		}
		flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

		IPACMDBG_H("Routing table %s has index %d\n", rt_tbl_idx.name, rt_tbl_idx.idx);

		memcpy(&flt_rule_entry.rule.attrib,
			&rx_prop->rx[0].attrib,
			sizeof(struct ipa_rule_attrib));
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
		flt_rule_entry.rule.attrib.u.v4.dst_addr_mask = 0x00000000;
		flt_rule_entry.rule.attrib.u.v4.dst_addr = 0x00000000;

		change_to_network_order(IPA_IP_v4, &flt_rule_entry.rule.attrib);

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			return IPACM_FAILURE;
		}

		memcpy(&flt_rule_entry.rule.eq_attrib,
			&flt_eq.eq_attrib,
			sizeof(flt_rule_entry.rule.eq_attrib));

		memcpy(&(rules[pos]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
		IPACMDBG_H("Filter rule attrib mask: 0x%x\n",	rules[pos].rule.attrib.attrib_mask);
		pos++;
		num_firewall_v4++;
		IPACM_Wan::num_v4_flt_rule++;

		num_rules = IPACM_Wan::num_v4_flt_rule - original_num_rules - 1;
	}
	else
	{
		original_num_rules = IPACM_Wan::num_v6_flt_rule;

		if(firewall_config.firewall_enable == true)
		{
			for (i = 0; i < firewall_config.num_extd_firewall_entries; i++)
			{
				if (firewall_config.extd_firewall_entries[i].ip_vsn == 6)
				{
					memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

					flt_rule_entry.at_rear = true;
					flt_rule_entry.flt_rule_hdl = -1;
					flt_rule_entry.status = -1;

					flt_rule_entry.rule.retain_hdr = 1;
					flt_rule_entry.rule.to_uc = 0;
					flt_rule_entry.rule.eq_attrib_type = 1;
					flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
#ifdef FEATURE_IPA_V3
					flt_rule_entry.rule.hashable = true;
#endif
					memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
					rt_tbl_idx.ip = iptype;

					/* matched rules for v6 go PASS_TO_ROUTE */
					if(firewall_config.rule_action_accept == true)
					{
						strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.name, IPA_RESOURCE_NAME_MAX);
					}
					else
					{
						strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
					}
					rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';

					if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
					{
						IPACMERR("Failed to get routing table index from name\n");
						return IPACM_FAILURE;
					}
					flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

					IPACMDBG_H("Routing table %s has index %d\n", rt_tbl_idx.name, rt_tbl_idx.idx);

					memcpy(&flt_rule_entry.rule.attrib,
						&firewall_config.extd_firewall_entries[i].attrib,
						sizeof(struct ipa_rule_attrib));

					flt_rule_entry.rule.attrib.attrib_mask |= rx_prop->rx[0].attrib.attrib_mask;
					flt_rule_entry.rule.attrib.meta_data_mask = rx_prop->rx[0].attrib.meta_data_mask;
					flt_rule_entry.rule.attrib.meta_data = rx_prop->rx[0].attrib.meta_data;

					change_to_network_order(IPA_IP_v6, &flt_rule_entry.rule.attrib);

					/* check if the rule is define as TCP/UDP */
					if (firewall_config.extd_firewall_entries[i].attrib.u.v6.next_hdr == IPACM_FIREWALL_IPPROTO_TCP_UDP)
					{
						/* insert TCP rule*/
						flt_rule_entry.rule.attrib.u.v6.next_hdr = IPACM_FIREWALL_IPPROTO_TCP;

						memset(&flt_eq, 0, sizeof(flt_eq));
						memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
						flt_eq.ip = iptype;
						if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
						{
							IPACMERR("Failed to get eq_attrib\n");
							return IPACM_FAILURE;
						}

						memcpy(&flt_rule_entry.rule.eq_attrib,
							&flt_eq.eq_attrib,
							sizeof(flt_rule_entry.rule.eq_attrib));
						memcpy(&(rules[pos]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
						pos++;
						num_firewall_v6++;
						IPACM_Wan::num_v6_flt_rule++;

						/* insert UDP rule*/
						flt_rule_entry.rule.attrib.u.v6.next_hdr = IPACM_FIREWALL_IPPROTO_UDP;

						memset(&flt_eq, 0, sizeof(flt_eq));
						memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
						flt_eq.ip = iptype;
						if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
						{
							IPACMERR("Failed to get eq_attrib\n");
							return IPACM_FAILURE;
						}

						memcpy(&flt_rule_entry.rule.eq_attrib,
							&flt_eq.eq_attrib,
							sizeof(flt_rule_entry.rule.eq_attrib));
						memcpy(&(rules[pos]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
						pos++;
						num_firewall_v6++;
						IPACM_Wan::num_v6_flt_rule++;
					}
					else
					{
						memset(&flt_eq, 0, sizeof(flt_eq));
						memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
						flt_eq.ip = iptype;
						if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
						{
							IPACMERR("Failed to get eq_attrib\n");
							return IPACM_FAILURE;
						}

						memcpy(&flt_rule_entry.rule.eq_attrib,
							&flt_eq.eq_attrib,
							sizeof(flt_rule_entry.rule.eq_attrib));
						memcpy(&(rules[pos]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
						pos++;
						num_firewall_v6++;
						IPACM_Wan::num_v6_flt_rule++;
					}
				}
			} /* end of firewall ipv6 filter rule add for loop*/
		}

		/* setup default wan filter rule */
		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

		flt_rule_entry.at_rear = true;
		flt_rule_entry.flt_rule_hdl = -1;
		flt_rule_entry.status = -1;

		flt_rule_entry.rule.retain_hdr = 1;
		flt_rule_entry.rule.to_uc = 0;
		flt_rule_entry.rule.eq_attrib_type = 1;
		flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
#ifdef FEATURE_IPA_V3
		flt_rule_entry.rule.hashable = true;
#endif
		memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
		rt_tbl_idx.ip = iptype;
		/* firewall disable, all traffic are allowed */
		if(firewall_config.firewall_enable == true)
		{
			/* default action for v6 is PASS_TO_ROUTE unless user set to exception*/
			if(firewall_config.rule_action_accept == true)
			{
				strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
			}
			else
			{
				strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.name, IPA_RESOURCE_NAME_MAX);
			}
		}
		else
		{
			strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.name, IPA_RESOURCE_NAME_MAX);
		}
		rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
		if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
		{
			IPACMERR("Failed to get routing table index from name\n");
			return IPACM_FAILURE;
		}
		flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

		IPACMDBG_H("Routing table %s has index %d\n", rt_tbl_idx.name, rt_tbl_idx.idx);

		memcpy(&flt_rule_entry.rule.attrib,
			&rx_prop->rx[1].attrib,
			sizeof(struct ipa_rule_attrib));
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[0] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[1] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[2] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[3] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[0] = 0X00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[1] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[2] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[3] = 0X00000000;

		change_to_network_order(IPA_IP_v6, &flt_rule_entry.rule.attrib);

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			return IPACM_FAILURE;
		}
		memcpy(&flt_rule_entry.rule.eq_attrib,
			&flt_eq.eq_attrib,
			sizeof(flt_rule_entry.rule.eq_attrib));
		memcpy(&(rules[pos]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
		pos++;
		num_firewall_v6++;
		IPACM_Wan::num_v6_flt_rule++;

		num_rules = IPACM_Wan::num_v6_flt_rule - original_num_rules - 1;
	}
	IPACMDBG_H("Constructed %d firewall rules for ip type %d\n", num_rules, iptype);
	return IPACM_SUCCESS;
}

int IPACM_Wan::init_fl_rule_ex(ipa_ip_type iptype)
{
	int res = IPACM_SUCCESS;

	/* ADD corresponding ipa_rm_resource_name of RX-endpoint before adding all IPV4V6 FT-rules */
	IPACMDBG_H(" dun add producer dependency from %s with registered rx-prop\n", dev_name);

	if(iptype == IPA_IP_v4)
	{
		if(modem_ipv4_pdn_index == 0)	/* install ipv4 default modem DL filtering rules only once */
		{
			/* reset the num_v4_flt_rule*/
			IPACM_Wan::num_v4_flt_rule = 0;
			add_dft_filtering_rule(flt_rule_v4, IPACM_Wan::num_v4_flt_rule, IPA_IP_v4);
		}
	}
	else if(iptype == IPA_IP_v6)
	{
		if(modem_ipv6_pdn_index == 0)	/* install ipv6 default modem DL filtering rules only once */
		{
			/* reset the num_v6_flt_rule*/
			IPACM_Wan::num_v6_flt_rule = 0;
			add_dft_filtering_rule(flt_rule_v6, IPACM_Wan::num_v6_flt_rule, IPA_IP_v6);
		}
	}
	else
	{
		IPACMERR("IP type is not expected.\n");
		res = IPACM_FAILURE;
		goto fail;
	}
	install_wan_filtering_rule(false);

	/* 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, iptype);
	}

fail:
	return res;
}

int IPACM_Wan::add_icmp_alg_rules(struct ipa_flt_rule_add *rules, int rule_offset, ipa_ip_type iptype)
{
	int res = IPACM_SUCCESS, i, original_num_rules = 0, num_rules = 0;
	struct ipa_flt_rule_add flt_rule_entry;
	IPACM_Config* ipacm_config = IPACM_Iface::ipacmcfg;
	ipa_ioc_generate_flt_eq flt_eq;
	ipa_ioc_get_rt_tbl_indx rt_tbl_idx;

	if(rules == NULL || rule_offset < 0)
	{
		IPACMERR("No filtering table is available.\n");
		return IPACM_FAILURE;
	}

	if(iptype == IPA_IP_v4)
	{
		original_num_rules = IPACM_Wan::num_v4_flt_rule;

		memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
		strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
		rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
		rt_tbl_idx.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
		{
			IPACMERR("Failed to get routing table index from name\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		IPACMDBG_H("WAN DL routing table %s has index %d\n", IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, rt_tbl_idx.idx);

		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

		flt_rule_entry.at_rear = true;
		flt_rule_entry.flt_rule_hdl = -1;
		flt_rule_entry.status = -1;

		flt_rule_entry.rule.retain_hdr = 1;
		flt_rule_entry.rule.to_uc = 0;
		flt_rule_entry.rule.eq_attrib_type = 1;
		flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
#ifdef FEATURE_IPA_V3
		flt_rule_entry.rule.hashable = true;
#endif
		flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

		/* Configuring ICMP filtering rule */
		memcpy(&flt_rule_entry.rule.attrib,
					 &rx_prop->rx[0].attrib,
					 sizeof(flt_rule_entry.rule.attrib));
		/* Multiple PDNs may exist so keep meta-data */
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_PROTOCOL;
		flt_rule_entry.rule.attrib.u.v4.protocol = (uint8_t)IPACM_FIREWALL_IPPROTO_ICMP;

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		memcpy(&flt_rule_entry.rule.eq_attrib,
					 &flt_eq.eq_attrib,
					 sizeof(flt_rule_entry.rule.eq_attrib));

		memcpy(&(rules[rule_offset]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

		IPACM_Wan::num_v4_flt_rule++;

		/* Configure ALG filtering rules */
		/* maintain meta data mask */
		memcpy(&flt_rule_entry.rule.attrib,
					 &rx_prop->rx[0].attrib,
					 sizeof(flt_rule_entry.rule.attrib));
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_SRC_PORT;
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_PROTOCOL;
		for(i = 0; i < ipacm_config->ipa_num_alg_ports; i++)
		{
			flt_rule_entry.rule.attrib.src_port = ipacm_config->alg_table[i].port;
			flt_rule_entry.rule.attrib.u.v4.protocol = ipacm_config->alg_table[i].protocol;

			memset(&flt_eq, 0, sizeof(flt_eq));
			memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
			flt_eq.ip = iptype;
			if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
			{
				IPACMERR("Failed to get eq_attrib\n");
				res = IPACM_FAILURE;
				goto fail;
			}
			memcpy(&flt_rule_entry.rule.eq_attrib,
						 &flt_eq.eq_attrib,
						 sizeof(flt_rule_entry.rule.eq_attrib));
			memcpy(&(rules[rule_offset + 1 + i]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
			IPACM_Wan::num_v4_flt_rule++;
		}

		/* maintain meta data mask */
		memcpy(&flt_rule_entry.rule.attrib,
					 &rx_prop->rx[0].attrib,
					 sizeof(flt_rule_entry.rule.attrib));
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_PORT;
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_PROTOCOL;
		for(i = 0; i < ipacm_config->ipa_num_alg_ports; i++)
		{
			flt_rule_entry.rule.attrib.dst_port = ipacm_config->alg_table[i].port;
			flt_rule_entry.rule.attrib.u.v4.protocol = ipacm_config->alg_table[i].protocol;

			memset(&flt_eq, 0, sizeof(flt_eq));
			memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
			flt_eq.ip = iptype;
			if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
			{
				IPACMERR("Failed to get eq_attrib\n");
				res = IPACM_FAILURE;
				goto fail;
			}

			memcpy(&flt_rule_entry.rule.eq_attrib,
						 &flt_eq.eq_attrib,
						 sizeof(flt_rule_entry.rule.eq_attrib));

			memcpy(&(rules[rule_offset + ipacm_config->ipa_num_alg_ports + 1 + i]),
				&flt_rule_entry,
				sizeof(struct ipa_flt_rule_add));
			IPACM_Wan::num_v4_flt_rule++;
		}
		num_rules = IPACM_Wan::num_v4_flt_rule - original_num_rules;
	}
	else /* IPv6 case */
	{
		original_num_rules = IPACM_Wan::num_v6_flt_rule;

		memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
		strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
		rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
		rt_tbl_idx.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
		{
			IPACMERR("Failed to get routing table index from name\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		IPACMDBG_H("WAN DL routing table %s has index %d\n", IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, rt_tbl_idx.idx);

		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

		flt_rule_entry.at_rear = true;
		flt_rule_entry.flt_rule_hdl = -1;
		flt_rule_entry.status = -1;

		flt_rule_entry.rule.retain_hdr = 1;
		flt_rule_entry.rule.to_uc = 0;
		flt_rule_entry.rule.eq_attrib_type = 1;
		flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
#ifdef FEATURE_IPA_V3
		flt_rule_entry.rule.hashable = true;
#endif
		flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

		/* Configuring ICMP filtering rule */
		memcpy(&flt_rule_entry.rule.attrib,
					 &rx_prop->rx[1].attrib,
					 sizeof(flt_rule_entry.rule.attrib));
		/* Multiple PDNs may exist so keep meta-data */
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_NEXT_HDR;
		flt_rule_entry.rule.attrib.u.v6.next_hdr = (uint8_t)IPACM_FIREWALL_IPPROTO_ICMP6;

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		memcpy(&flt_rule_entry.rule.eq_attrib,
					 &flt_eq.eq_attrib,
					 sizeof(flt_rule_entry.rule.eq_attrib));

		memcpy(&(rules[rule_offset]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
		IPACM_Wan::num_v6_flt_rule++;

		num_rules = IPACM_Wan::num_v6_flt_rule - original_num_rules;
	}

fail:
	IPACMDBG_H("Constructed %d ICMP/ALG rules for ip type %d\n", num_rules, iptype);
		return res;
}

int IPACM_Wan::query_ext_prop()
{
	int fd, ret = IPACM_SUCCESS;
	uint32_t cnt;

	if (iface_query->num_ext_props > 0)
	{
		fd = open(IPA_DEVICE_NAME, O_RDWR);
		IPACMDBG_H("iface query-property \n");
		if (0 == fd)
		{
			IPACMERR("Failed opening %s.\n", IPA_DEVICE_NAME);
			return IPACM_FAILURE;
		}

		ext_prop = (struct ipa_ioc_query_intf_ext_props *)
			 calloc(1, sizeof(struct ipa_ioc_query_intf_ext_props) +
							iface_query->num_ext_props * sizeof(struct ipa_ioc_ext_intf_prop));
		if(ext_prop == NULL)
		{
			IPACMERR("Unable to allocate memory.\n");
			return IPACM_FAILURE;
		}
		memcpy(ext_prop->name, dev_name,
					 sizeof(dev_name));
		ext_prop->num_ext_props = iface_query->num_ext_props;

		IPACMDBG_H("Query extended property for iface %s\n", ext_prop->name);

		ret = ioctl(fd, IPA_IOC_QUERY_INTF_EXT_PROPS, ext_prop);
		if (ret < 0)
		{
			IPACMERR("ioctl IPA_IOC_QUERY_INTF_EXT_PROPS failed\n");
			/* ext_prop memory will free when iface-down*/
			free(ext_prop);
			close(fd);
			return ret;
		}

		IPACMDBG_H("Wan interface has %d tx props, %d rx props and %d ext props\n",
				iface_query->num_tx_props, iface_query->num_rx_props, iface_query->num_ext_props);

		for (cnt = 0; cnt < ext_prop->num_ext_props; cnt++)
		{
#ifndef FEATURE_IPA_V3
			IPACMDBG_H("Ex(%d): ip-type: %d, mux_id: %d, flt_action: %d\n, rt_tbl_idx: %d, is_xlat_rule: %d flt_hdl: %d\n",
				cnt, ext_prop->ext[cnt].ip, ext_prop->ext[cnt].mux_id, ext_prop->ext[cnt].action,
				ext_prop->ext[cnt].rt_tbl_idx, ext_prop->ext[cnt].is_xlat_rule, ext_prop->ext[cnt].filter_hdl);
#else /* defined (FEATURE_IPA_V3) */
			IPACMDBG_H("Ex(%d): ip-type: %d, mux_id: %d, flt_action: %d\n, rt_tbl_idx: %d, is_xlat_rule: %d rule_id: %d\n",
				cnt, ext_prop->ext[cnt].ip, ext_prop->ext[cnt].mux_id, ext_prop->ext[cnt].action,
				ext_prop->ext[cnt].rt_tbl_idx, ext_prop->ext[cnt].is_xlat_rule, ext_prop->ext[cnt].rule_id);
#endif
		}

		if(IPACM_Wan::is_ext_prop_set == false)
		{
			IPACM_Iface::ipacmcfg->SetExtProp(ext_prop);
			IPACM_Wan::is_ext_prop_set = true;
		}
		close(fd);
	}
	return IPACM_SUCCESS;
}

int IPACM_Wan::config_wan_firewall_rule(ipa_ip_type iptype)
{
	int res = IPACM_SUCCESS;

	IPACMDBG_H("Configure WAN DL firewall rules.\n");

	if(iptype == IPA_IP_v4)
	{
		IPACM_Wan::num_v4_flt_rule = IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV4;
		if(IPACM_FAILURE == add_icmp_alg_rules(flt_rule_v4, IPACM_Wan::num_v4_flt_rule, IPA_IP_v4))
		{
			IPACMERR("Failed to add ICMP and ALG port filtering rules.\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		IPACMDBG_H("Succeded in constructing ICMP/ALG rules for ip type %d\n", iptype);

		if(IPACM_FAILURE == config_dft_firewall_rules_ex(flt_rule_v4, IPACM_Wan::num_v4_flt_rule, IPA_IP_v4))
		{
			IPACMERR("Failed to add firewall filtering rules.\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		IPACMDBG_H("Succeded in constructing firewall rules for ip type %d\n", iptype);
	}
	else if(iptype == IPA_IP_v6)
	{
#ifdef FEATURE_IPA_ANDROID
		add_tcpv6_filtering_rule(flt_rule_v6, IPACM_Wan::num_v6_flt_rule);
#endif
		IPACM_Wan::num_v6_flt_rule = IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV6;
		if(IPACM_FAILURE == add_icmp_alg_rules(flt_rule_v6, IPACM_Wan::num_v6_flt_rule, IPA_IP_v6))
		{
			IPACMERR("Failed to add ICMP and ALG port filtering rules.\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		IPACMDBG_H("Succeded in constructing ICMP/ALG rules for ip type %d\n", iptype);

		if(IPACM_FAILURE == config_dft_firewall_rules_ex(flt_rule_v6, IPACM_Wan::num_v6_flt_rule, IPA_IP_v6))
		{
			IPACMERR("Failed to add firewall filtering rules.\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		IPACMDBG_H("Succeded in constructing firewall rules for ip type %d\n", iptype);
	}
	else
	{
		IPACMERR("IP type is not expected.\n");
		return IPACM_FAILURE;
	}

fail:
	return res;
}

int IPACM_Wan::add_dft_filtering_rule(struct ipa_flt_rule_add *rules, int rule_offset, ipa_ip_type iptype)
{
	struct ipa_ioc_get_rt_tbl_indx rt_tbl_idx;
	struct ipa_flt_rule_add flt_rule_entry;
	struct ipa_ioc_generate_flt_eq flt_eq;
	int res = IPACM_SUCCESS;

	if(rules == NULL)
	{
		IPACMERR("No filtering table available.\n");
		return IPACM_FAILURE;
	}
	if(rx_prop == NULL)
	{
		IPACMERR("No tx property.\n");
		return IPACM_FAILURE;
	}

	if (iptype == IPA_IP_v4)
	{
		memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
		strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
		rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
		rt_tbl_idx.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
		{
			IPACMERR("Failed to get routing table index from name\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		IPACMDBG_H("Routing table %s has index %d\n", rt_tbl_idx.name, rt_tbl_idx.idx);

		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

		flt_rule_entry.at_rear = true;
		flt_rule_entry.flt_rule_hdl = -1;
		flt_rule_entry.status = -1;

		flt_rule_entry.rule.retain_hdr = 1;
		flt_rule_entry.rule.to_uc = 0;
		flt_rule_entry.rule.eq_attrib_type = 1;
		flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
#ifdef FEATURE_IPA_V3
		flt_rule_entry.rule.hashable = true;
#endif
		flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

		IPACMDBG_H("rx property attrib mask:0x%x\n", rx_prop->rx[0].attrib.attrib_mask);

		/* Configuring Multicast Filtering Rule */
		memcpy(&flt_rule_entry.rule.attrib,
					 &rx_prop->rx[0].attrib,
					 sizeof(flt_rule_entry.rule.attrib));
		/* remove meta data mask since we only install default flt rules once for all modem PDN*/
		flt_rule_entry.rule.attrib.attrib_mask &= ~((uint32_t)IPA_FLT_META_DATA);
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
		flt_rule_entry.rule.attrib.u.v4.dst_addr_mask = 0xF0000000;
		flt_rule_entry.rule.attrib.u.v4.dst_addr = 0xE0000000;

		change_to_network_order(IPA_IP_v4, &flt_rule_entry.rule.attrib);

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		memcpy(&flt_rule_entry.rule.eq_attrib,
					 &flt_eq.eq_attrib,
					 sizeof(flt_rule_entry.rule.eq_attrib));
		memcpy(&(rules[rule_offset]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

		/* Configuring Broadcast Filtering Rule */
		flt_rule_entry.rule.attrib.u.v4.dst_addr_mask = 0xFFFFFFFF;
		flt_rule_entry.rule.attrib.u.v4.dst_addr = 0xFFFFFFFF;

		change_to_network_order(IPA_IP_v4, &flt_rule_entry.rule.attrib);

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		memcpy(&flt_rule_entry.rule.eq_attrib,
					 &flt_eq.eq_attrib,
					 sizeof(flt_rule_entry.rule.eq_attrib));
		memcpy(&(rules[rule_offset + 1]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

		IPACM_Wan::num_v4_flt_rule += IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV4;
		IPACMDBG_H("Constructed %d default filtering rules for ip type %d\n", IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV4, iptype);
	}
	else	/*insert rules for ipv6*/
	{
		memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
		strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
		rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
		rt_tbl_idx.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
		{
			IPACMERR("Failed to get routing table index from name\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		IPACMDBG_H("Routing table %s has index %d\n", rt_tbl_idx.name, rt_tbl_idx.idx);

		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

		flt_rule_entry.at_rear = true;
		flt_rule_entry.flt_rule_hdl = -1;
		flt_rule_entry.status = -1;

		flt_rule_entry.rule.retain_hdr = 1;
		flt_rule_entry.rule.to_uc = 0;
		flt_rule_entry.rule.eq_attrib_type = 1;
		flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
#ifdef FEATURE_IPA_V3
		flt_rule_entry.rule.hashable = true;
#endif
		flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

		/* Configuring Multicast Filtering Rule */
		memcpy(&flt_rule_entry.rule.attrib,
					 &rx_prop->rx[0].attrib,
					 sizeof(flt_rule_entry.rule.attrib));
		/* remove meta data mask since we only install default flt rules once for all modem PDN*/
		flt_rule_entry.rule.attrib.attrib_mask &= ~((uint32_t)IPA_FLT_META_DATA);
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[0] = 0xFF000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[1] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[2] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[3] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[0] = 0xFF000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[1] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[2] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[3] = 0x00000000;

		change_to_network_order(IPA_IP_v6, &flt_rule_entry.rule.attrib);

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		memcpy(&flt_rule_entry.rule.eq_attrib,
					 &flt_eq.eq_attrib,
					 sizeof(flt_rule_entry.rule.eq_attrib));
		memcpy(&(rules[rule_offset]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

		/* Configuring fe80::/10 Link-Scoped Unicast Filtering Rule */
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[0] = 0xFFC00000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[1] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[2] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[3] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[0] = 0xFE800000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[1] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[2] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[3] = 0x00000000;

		change_to_network_order(IPA_IP_v6, &flt_rule_entry.rule.attrib);

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		memcpy(&flt_rule_entry.rule.eq_attrib,
					 &flt_eq.eq_attrib,
					 sizeof(flt_rule_entry.rule.eq_attrib));

		memcpy(&(rules[rule_offset + 1]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

		/* Configuring fec0::/10 Reserved by IETF Filtering Rule */
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[0] = 0xFFC00000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[1] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[2] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[3] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[0] = 0xFEC00000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[1] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[2] = 0x00000000;
		flt_rule_entry.rule.attrib.u.v6.dst_addr[3] = 0x00000000;

		change_to_network_order(IPA_IP_v6, &flt_rule_entry.rule.attrib);

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		memcpy(&flt_rule_entry.rule.eq_attrib,
					 &flt_eq.eq_attrib,
					 sizeof(flt_rule_entry.rule.eq_attrib));

		memcpy(&(rules[rule_offset + 2]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

		/* Configuring fragment Filtering Rule */
		flt_rule_entry.rule.attrib.attrib_mask &= ~((uint32_t)IPA_FLT_DST_ADDR);
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_FRAGMENT;
		flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_NEXT_HDR;
		flt_rule_entry.rule.attrib.u.v6.next_hdr = IPACM_FIREWALL_IPPROTO_TCP;

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = iptype;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		memcpy(&flt_rule_entry.rule.eq_attrib,
					 &flt_eq.eq_attrib,
					 sizeof(flt_rule_entry.rule.eq_attrib));

		memcpy(&(rules[rule_offset + 3]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

#ifdef FEATURE_IPA_ANDROID
		IPACM_Wan::num_v6_flt_rule += IPA_V2_NUM_MULTICAST_WAN_FILTER_RULE_IPV6;
		IPACMDBG_H("Constructed %d default filtering rules for ip type %d\n", IPA_V2_NUM_MULTICAST_WAN_FILTER_RULE_IPV6, iptype);
#else
		IPACM_Wan::num_v6_flt_rule += IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV6;
		IPACMDBG_H("Constructed %d default filtering rules for ip type %d\n",
				IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV6, iptype);
#endif
		IPACM_Wan::num_v6_flt_rule += IPA_V2_NUM_FRAG_WAN_FILTER_RULE_IPV6;
		IPACMDBG_H("Constructed %d default filtering rules for ip type %d\n",
				IPA_V2_NUM_FRAG_WAN_FILTER_RULE_IPV6, iptype);
	}

fail:
	return res;
}

int IPACM_Wan::add_tcpv6_filtering_rule(struct ipa_flt_rule_add *rules, int rule_offset)
{
	struct ipa_ioc_get_rt_tbl_indx rt_tbl_idx;
	struct ipa_flt_rule_add flt_rule_entry;
	struct ipa_ioc_generate_flt_eq flt_eq;
	int res = IPACM_SUCCESS;

	if(rules == NULL)
	{
		IPACMERR("No filtering table available.\n");
		return IPACM_FAILURE;
	}
	if(rx_prop == NULL)
	{
		IPACMERR("No tx property.\n");
		return IPACM_FAILURE;
	}

		memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
		strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
		rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
		rt_tbl_idx.ip = IPA_IP_v6;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
		{
			IPACMERR("Failed to get routing table index from name\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		IPACMDBG_H("Routing table %s has index %d\n", rt_tbl_idx.name, rt_tbl_idx.idx);
		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

		flt_rule_entry.at_rear = true;
		flt_rule_entry.flt_rule_hdl = -1;
		flt_rule_entry.status = -1;

		flt_rule_entry.rule.retain_hdr = 1;
		flt_rule_entry.rule.to_uc = 0;
		flt_rule_entry.rule.eq_attrib_type = 1;
		flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
		flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

#ifdef FEATURE_IPA_ANDROID
		IPACMDBG_H("Add TCP ctrl rules: total num %d\n", IPA_V2_NUM_TCP_WAN_FILTER_RULE_IPV6);
#endif
		memcpy(&flt_rule_entry.rule.attrib,
					 &rx_prop->rx[0].attrib,
					 sizeof(flt_rule_entry.rule.attrib));
		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = IPA_IP_v6;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		memcpy(&flt_rule_entry.rule.eq_attrib,
					 &flt_eq.eq_attrib,
					 sizeof(flt_rule_entry.rule.eq_attrib));

		flt_rule_entry.rule.eq_attrib.rule_eq_bitmap |= (1<<1);
		flt_rule_entry.rule.eq_attrib.protocol_eq_present = 1;
		flt_rule_entry.rule.eq_attrib.protocol_eq = IPACM_FIREWALL_IPPROTO_TCP;

#ifdef FEATURE_IPA_V3
		flt_rule_entry.rule.eq_attrib.rule_eq_bitmap |= (1<<7);
#else
		flt_rule_entry.rule.eq_attrib.rule_eq_bitmap |= (1<<8);
#endif
		flt_rule_entry.rule.eq_attrib.num_ihl_offset_meq_32 = 1;
		flt_rule_entry.rule.eq_attrib.ihl_offset_meq_32[0].offset = 12;

		/* add TCP FIN rule*/
		flt_rule_entry.rule.eq_attrib.ihl_offset_meq_32[0].value = (((uint32_t)1)<<TCP_FIN_SHIFT);
		flt_rule_entry.rule.eq_attrib.ihl_offset_meq_32[0].mask = (((uint32_t)1)<<TCP_FIN_SHIFT);
		memcpy(&(rules[rule_offset]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

		/* add TCP SYN rule*/
		flt_rule_entry.rule.eq_attrib.ihl_offset_meq_32[0].value = (((uint32_t)1)<<TCP_SYN_SHIFT);
		flt_rule_entry.rule.eq_attrib.ihl_offset_meq_32[0].mask = (((uint32_t)1)<<TCP_SYN_SHIFT);
		memcpy(&(rules[rule_offset + 1]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

		/* add TCP RST rule*/
		flt_rule_entry.rule.eq_attrib.ihl_offset_meq_32[0].value = (((uint32_t)1)<<TCP_RST_SHIFT);
		flt_rule_entry.rule.eq_attrib.ihl_offset_meq_32[0].mask = (((uint32_t)1)<<TCP_RST_SHIFT);
		memcpy(&(rules[rule_offset + 2]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

#ifdef FEATURE_IPA_ANDROID
		IPACM_Wan::num_v6_flt_rule += IPA_V2_NUM_TCP_WAN_FILTER_RULE_IPV6;
		IPACMDBG_H("Constructed %d ICMP filtering rules for ip type %d\n", IPA_V2_NUM_TCP_WAN_FILTER_RULE_IPV6, IPA_IP_v6);
#endif

fail:
	return res;
}

int IPACM_Wan::del_wan_firewall_rule(ipa_ip_type iptype)
{
	if(iptype == IPA_IP_v4)
	{
		IPACM_Wan::num_v4_flt_rule = IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV4;
		memset(&IPACM_Wan::flt_rule_v4[IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV4], 0,
			(IPA_MAX_FLT_RULE - IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV4) * sizeof(struct ipa_flt_rule_add));
	}
	else if(iptype == IPA_IP_v6)
	{
		IPACM_Wan::num_v6_flt_rule = IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV6;
		memset(&IPACM_Wan::flt_rule_v6[IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV6], 0,
			(IPA_MAX_FLT_RULE - IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV6) * sizeof(struct ipa_flt_rule_add));
	}
	else
	{
		IPACMERR("IP type is not expected.\n");
		return IPACM_FAILURE;
	}

	return IPACM_SUCCESS;
}

/*for STA mode: clean firewall filter rules */
int IPACM_Wan::del_dft_firewall_rules(ipa_ip_type iptype)
{
	/* free v4 firewall filter rule */
	if (rx_prop == NULL)
	{
		IPACMDBG_H("No rx properties registered for iface %s\n", dev_name);
		return IPACM_SUCCESS;
	}

	if ((iptype == IPA_IP_v4) && (active_v4 == true))
	{
		if (num_firewall_v4 > IPACM_MAX_FIREWALL_ENTRIES)
		{
			IPACMERR("the number of v4 firewall entries overflow, aborting...\n");
			return IPACM_FAILURE;
		}
		if (num_firewall_v4 != 0)
		{
			if (m_filtering.DeleteFilteringHdls(firewall_hdl_v4,
				IPA_IP_v4, num_firewall_v4) == false)
			{
				IPACMERR("Error Deleting Filtering rules, aborting...\n");
				return IPACM_FAILURE;
			}
			IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v4, num_firewall_v4);
		}
		else
		{
			IPACMDBG_H("No ipv4 firewall rules, no need deleted\n");
		}

		if (m_filtering.DeleteFilteringHdls(dft_wan_fl_hdl,
				IPA_IP_v4, 1) == false)
		{
			IPACMERR("Error Deleting Filtering rules, aborting...\n");
			return IPACM_FAILURE;
		}
		IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v4, 1);

		num_firewall_v4 = 0;
	}

	/* free v6 firewall filter rule */
	if ((iptype == IPA_IP_v6) && (active_v6 == true))
	{
		if (num_firewall_v6 > IPACM_MAX_FIREWALL_ENTRIES)
		{
			IPACMERR("the number of v6 firewall entries overflow, aborting...\n");
			return IPACM_FAILURE;
		}
		if (num_firewall_v6 != 0)
		{
			if (m_filtering.DeleteFilteringHdls(firewall_hdl_v6,
				IPA_IP_v6, num_firewall_v6) == false)
			{
				IPACMERR("Error Deleting Filtering rules, aborting...\n");
				return IPACM_FAILURE;
			}
			IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, num_firewall_v6);
		}
		else
		{
			IPACMDBG_H("No ipv6 firewall rules, no need deleted\n");
		}

		if (m_filtering.DeleteFilteringHdls(&dft_wan_fl_hdl[1],
			IPA_IP_v6, 1) == false)
		{
			IPACMERR("Error Deleting Filtering rules, aborting...\n");
			return IPACM_FAILURE;
		}

		if(m_is_sta_mode != Q6_MHI_WAN)
		{
			IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
			if (m_filtering.DeleteFilteringHdls(&dft_wan_fl_hdl[2],
				IPA_IP_v6, 1) == false)
			{
				IPACMERR("Error Deleting Filtering rules, aborting...\n");
				return IPACM_FAILURE;
			}
			IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
		}
		else
		{
			IPACMDBG_H("in Q6_MHI_WAN mode, skip ICMPv6 flt rule deletion\n");
		}
		if (is_ipv6_frag_firewall_flt_rule_installed &&
			check_dft_firewall_rules_attr_mask(&firewall_config))
		{
			if (m_filtering.DeleteFilteringHdls(&ipv6_frag_firewall_flt_rule_hdl, IPA_IP_v6, 1) == false)
			{
				IPACMERR("Error deleting IPv6 frag filtering rules.\n");
				return IPACM_FAILURE;
			}
			is_ipv6_frag_firewall_flt_rule_installed = false;
			IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, 1);
		}
		num_firewall_v6 = 0;
	}
	return IPACM_SUCCESS;
}

/* for STA mode: wan default route/filter rule delete */
int IPACM_Wan::handle_route_del_evt(ipa_ip_type iptype)
{
	uint32_t tx_index;
	ipacm_cmd_q_data evt_data;
#ifdef WAN_IOC_NOTIFY_WAN_STATE
	struct wan_ioctl_notify_wan_state wan_state;
	int fd_wwan_ioctl;
	memset(&wan_state, 0, sizeof(wan_state));
#endif

	IPACMDBG_H("got handle_route_del_evt for STA-mode with ip-family:%d \n", iptype);

	if(tx_prop == NULL)
	{
		IPACMDBG_H("No tx properties, ignore delete default route setting\n");
		return IPACM_SUCCESS;
	}

	is_default_gateway = false;
	IPACMDBG_H("Default route is deleted to iface %s.\n", dev_name);

	if (((iptype == IPA_IP_v4) && (active_v4 == true)) ||
			((iptype == IPA_IP_v6) && (active_v6 == true)))
	{
		if(IPACM_Iface::ipacmcfg->GetIPAVer() >= IPA_HW_None && IPACM_Iface::ipacmcfg->GetIPAVer() < IPA_HW_v4_0)
		{
			/* Delete corresponding ipa_rm_resource_name of TX-endpoint after delete IPV4/V6 RT-rule */
			IPACMDBG_H("dev %s delete producer dependency\n", dev_name);
			IPACMDBG_H("depend Got pipe %d rm index : %d \n", tx_prop->tx[0].dst_pipe, IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe]);
			IPACM_Iface::ipacmcfg->DelRmDepend(IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe]);
		}
		else
		{
			/* change wan_state for Q6_MHI */
#ifdef WAN_IOC_NOTIFY_WAN_STATE
			IPACMDBG_H("ipa_pm_q6_check to %d\n", ipa_pm_q6_check);
			if(ipa_pm_q6_check == 1 && m_is_sta_mode == Q6_MHI_WAN)
			{
				fd_wwan_ioctl = open(WWAN_QMI_IOCTL_DEVICE_NAME, O_RDWR);
				if(fd_wwan_ioctl < 0)
				{
					IPACMERR("Failed to open %s.\n",WWAN_QMI_IOCTL_DEVICE_NAME);
					return false;
				}
				IPACMDBG_H("send WAN_IOC_NOTIFY_WAN_STATE down to IPA_PM\n");
				if(ioctl(fd_wwan_ioctl, WAN_IOC_NOTIFY_WAN_STATE, &wan_state))
				{
					IPACMERR("Failed to send WAN_IOC_NOTIFY_WAN_STATE as up %d\n ", wan_state.up);
				}
				close(fd_wwan_ioctl);
			}
			if (ipa_pm_q6_check > 0)
				ipa_pm_q6_check--;
			else
				IPACMERR(" ipa_pm_q6_check becomes negative !!!\n");
#endif
		}

		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 deleted\n",
		    					    tx_index, tx_prop->tx[tx_index].ip,iptype);
		    	continue;
		    }

			if (iptype == IPA_IP_v4)
			{
		    	IPACMDBG_H("Tx:%d, ip-type: %d match ip-type: %d, RT-rule deleted\n", tx_index, tx_prop->tx[tx_index].ip,iptype);

				if (m_routing.DeleteRoutingHdl(wan_route_rule_v4_hdl[tx_index], IPA_IP_v4) == false)
				{
					IPACMDBG_H("IP-family:%d, Routing rule(hdl:0x%x) deletion failed with tx_index %d!\n", IPA_IP_v4, wan_route_rule_v4_hdl[tx_index], tx_index);
					return IPACM_FAILURE;
				}
			}
			else
			{
		    	IPACMDBG_H("Tx:%d, ip-type: %d match ip-type: %d, RT-rule deleted\n", tx_index, tx_prop->tx[tx_index].ip,iptype);

				if (m_routing.DeleteRoutingHdl(wan_route_rule_v6_hdl[tx_index], IPA_IP_v6) == false)
				{
					IPACMDBG_H("IP-family:%d, Routing rule(hdl:0x%x) deletion failed with tx_index %d!\n", IPA_IP_v6, wan_route_rule_v6_hdl[tx_index], tx_index);
					return IPACM_FAILURE;
				}
			}
		}

		/* Delete the default wan route*/
		if (iptype == IPA_IP_v6 && m_is_sta_mode != Q6_MHI_WAN)
		{
		   	IPACMDBG_H("ip-type %d: default v6 wan RT-rule deleted\n",iptype);
			if (m_routing.DeleteRoutingHdl(wan_route_rule_v6_hdl_a5[0], IPA_IP_v6) == false)
			{
			IPACMDBG_H("IP-family:%d, Routing rule(hdl:0x%x) deletion failed!\n",IPA_IP_v6,wan_route_rule_v6_hdl_a5[0]);
				return IPACM_FAILURE;
			}
		}
		ipacm_event_iface_up *wandown_data;
		wandown_data = (ipacm_event_iface_up *)malloc(sizeof(ipacm_event_iface_up));
		if (wandown_data == NULL)
		{
			IPACMERR("Unable to allocate memory\n");
			return IPACM_FAILURE;
		}
		memset(wandown_data, 0, sizeof(ipacm_event_iface_up));

		if (iptype == IPA_IP_v4)
		{
			wandown_data->ipv4_addr = wan_v4_addr;
			wandown_data->backhaul_type = m_is_sta_mode;
			evt_data.event = IPA_HANDLE_WAN_DOWN;
			evt_data.evt_data = (void *)wandown_data;
			/* Insert IPA_HANDLE_WAN_DOWN to command queue */
			IPACMDBG_H("posting IPA_HANDLE_WAN_DOWN for IPv4 (%d.%d.%d.%d) \n",
					(unsigned char)(wandown_data->ipv4_addr),
					(unsigned char)(wandown_data->ipv4_addr >> 8),
					(unsigned char)(wandown_data->ipv4_addr >> 16),
					(unsigned char)(wandown_data->ipv4_addr >> 24));

			IPACM_EvtDispatcher::PostEvt(&evt_data);
			IPACMDBG_H("setup wan_up/active_v4= false \n");
			IPACM_Wan::wan_up = false;
			active_v4 = false;
			if(IPACM_Wan::wan_up_v6)
			{
				IPACMDBG_H("modem v6-call still up(%s), not reset\n", IPACM_Wan::wan_up_dev_name);
			}
			else
			{
				memset(IPACM_Wan::wan_up_dev_name, 0, sizeof(IPACM_Wan::wan_up_dev_name));
			}

			/* Delete MHI frag rule */
			if(delete_offload_frag_rule())
			{
				IPACMERR("Failed to delete DL frag rule \n");
				return IPACM_FAILURE;
			}
		}
		else
		{

			wandown_data->backhaul_type = m_is_sta_mode;
			memcpy(wandown_data->ipv6_prefix, ipv6_prefix, sizeof(wandown_data->ipv6_prefix));
			evt_data.event = IPA_HANDLE_WAN_DOWN_V6;
			evt_data.evt_data = (void *)wandown_data;
			/* Insert IPA_HANDLE_WAN_DOWN to command queue */
			IPACMDBG_H("posting IPA_HANDLE_WAN_DOWN for IPv6 with prefix 0x%08x%08x\n", ipv6_prefix[0], ipv6_prefix[1]);
			IPACM_EvtDispatcher::PostEvt(&evt_data);
			IPACMDBG_H("setup wan_up_v6/active_v6= false \n");
			IPACM_Wan::wan_up_v6 = false;
			active_v6 = false;
			if(IPACM_Wan::wan_up)
			{
				IPACMDBG_H("modem v4-call still up(%s), not reset\n", IPACM_Wan::wan_up_dev_name);
			}
			else
			{
				memset(IPACM_Wan::wan_up_dev_name, 0, sizeof(IPACM_Wan::wan_up_dev_name));
			}
		}
	}
	else
	{
		IPACMDBG_H(" The default WAN routing rules are deleted already \n");
	}

	return IPACM_SUCCESS;
}

int IPACM_Wan::handle_route_del_evt_ex(ipa_ip_type iptype)
{
	ipacm_cmd_q_data evt_data;
#ifdef WAN_IOC_NOTIFY_WAN_STATE
	struct wan_ioctl_notify_wan_state wan_state;
	int fd_wwan_ioctl;
	memset(&wan_state, 0, sizeof(wan_state));
#endif

	IPACMDBG_H("got handle_route_del_evt_ex with ip-family:%d \n", iptype);

	if(tx_prop == NULL)
	{
		IPACMDBG_H("No tx properties, ignore delete default route setting\n");
		return IPACM_SUCCESS;
	}

	is_default_gateway = false;
	IPACMDBG_H("Default route is deleted to iface %s.\n", dev_name);

	if (((iptype == IPA_IP_v4) && (active_v4 == true)) ||
		((iptype == IPA_IP_v6) && (active_v6 == true)))
	{
		if(IPACM_Iface::ipacmcfg->GetIPAVer() >= IPA_HW_None && IPACM_Iface::ipacmcfg->GetIPAVer() < IPA_HW_v4_0)
		{
			/* Delete corresponding ipa_rm_resource_name of TX-endpoint after delete IPV4/V6 RT-rule */
			IPACMDBG_H("dev %s delete producer dependency\n", dev_name);
			IPACMDBG_H("depend Got pipe %d rm index : %d \n", tx_prop->tx[0].dst_pipe, IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe]);
			IPACM_Iface::ipacmcfg->DelRmDepend(IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe]);
#ifdef WAN_IOC_NOTIFY_WAN_STATE
		} else {
			IPACMDBG_H("ipa_pm_q6_check to %d\n", ipa_pm_q6_check);
			if(ipa_pm_q6_check == 1)
			{
				fd_wwan_ioctl = open(WWAN_QMI_IOCTL_DEVICE_NAME, O_RDWR);
				if(fd_wwan_ioctl < 0)
				{
					IPACMERR("Failed to open %s.\n",WWAN_QMI_IOCTL_DEVICE_NAME);
					return false;
				}
				IPACMDBG_H("send WAN_IOC_NOTIFY_WAN_STATE down to IPA_PM\n");
				if(ioctl(fd_wwan_ioctl, WAN_IOC_NOTIFY_WAN_STATE, &wan_state))
				{
					IPACMERR("Failed to send WAN_IOC_NOTIFY_WAN_STATE as up %d\n ", wan_state.up);
				}
				close(fd_wwan_ioctl);
			}
			if (ipa_pm_q6_check > 0)
				ipa_pm_q6_check--;
			else
				IPACMERR(" ipa_pm_q6_check becomes negative !!!\n");
		}
#else
}
#endif
		/* Delete the default route*/
		if (iptype == IPA_IP_v6)
		{
			IPACMDBG_H("ip-type %d: default v6 wan RT-rule deleted\n",iptype);
			if (m_routing.DeleteRoutingHdl(wan_route_rule_v6_hdl_a5[0], IPA_IP_v6) == false)
			{
				IPACMDBG_H("IP-family:%d, Routing rule(hdl:0x%x) deletion failed!\n",IPA_IP_v6,wan_route_rule_v6_hdl_a5[0]);
				return IPACM_FAILURE;
			}
		}

		ipacm_event_iface_up *wandown_data;
		wandown_data = (ipacm_event_iface_up *)malloc(sizeof(ipacm_event_iface_up));
		if (wandown_data == NULL)
		{
			IPACMERR("Unable to allocate memory\n");
			return IPACM_FAILURE;
		}
		memset(wandown_data, 0, sizeof(ipacm_event_iface_up));

		if (iptype == IPA_IP_v4)
		{
			wandown_data->ipv4_addr = wan_v4_addr;
			wandown_data->backhaul_type = m_is_sta_mode;
			evt_data.event = IPA_HANDLE_WAN_DOWN;
			evt_data.evt_data = (void *)wandown_data;
			/* Insert IPA_HANDLE_WAN_DOWN to command queue */
			IPACMDBG_H("posting IPA_HANDLE_WAN_DOWN for IPv4 with address: 0x%x\n", wan_v4_addr);
			IPACM_EvtDispatcher::PostEvt(&evt_data);

			IPACMDBG_H("setup wan_up/active_v4= false \n");
			IPACM_Wan::wan_up = false;
			active_v4 = false;
			if(IPACM_Wan::wan_up_v6)
			{
				IPACMDBG_H("modem v6-call still up(%s), not reset\n", IPACM_Wan::wan_up_dev_name);
			}
			else
			{
				memset(IPACM_Wan::wan_up_dev_name, 0, sizeof(IPACM_Wan::wan_up_dev_name));
			}
		}
		else
		{

			wandown_data->backhaul_type = m_is_sta_mode;
			memcpy(wandown_data->ipv6_prefix, ipv6_prefix, sizeof(wandown_data->ipv6_prefix));
			evt_data.event = IPA_HANDLE_WAN_DOWN_V6;
			evt_data.evt_data = (void *)wandown_data;
			IPACMDBG_H("posting IPA_HANDLE_WAN_DOWN_V6 for IPv6 with prefix 0x%08x%08x\n", ipv6_prefix[0], ipv6_prefix[1]);
			IPACM_EvtDispatcher::PostEvt(&evt_data);

			IPACMDBG_H("setup wan_up_v6/active_v6= false \n");
			IPACM_Wan::wan_up_v6 = false;
			active_v6 = false;
			if(IPACM_Wan::wan_up)
			{
				IPACMDBG_H("modem v4-call still up(%s), not reset\n", IPACM_Wan::wan_up_dev_name);
			}
			else
			{
				memset(IPACM_Wan::wan_up_dev_name, 0, sizeof(IPACM_Wan::wan_up_dev_name));
			}
		}
	}
	else
	{
		IPACMDBG_H(" The default WAN routing rules are deleted already \n");
	}

	return IPACM_SUCCESS;
}

/* configure the initial embms filter rules */
int IPACM_Wan::config_dft_embms_rules(ipa_ioc_add_flt_rule *pFilteringTable_v4, ipa_ioc_add_flt_rule *pFilteringTable_v6)
{
	struct ipa_flt_rule_add flt_rule_entry;
	struct ipa_ioc_get_rt_tbl_indx rt_tbl_idx;
	struct ipa_ioc_generate_flt_eq flt_eq;

	if (rx_prop == NULL)
	{
		IPACMDBG("No rx properties registered for iface %s\n", dev_name);
		return IPACM_SUCCESS;
	}

	if(pFilteringTable_v4 == NULL || pFilteringTable_v6 == NULL)
	{
		IPACMERR("Either v4 or v6 filtering table is empty.\n");
		return IPACM_FAILURE;
	}

	/* set up ipv4 odu rule*/
	memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));

	/* get eMBMS ODU tbl index*/
	memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
	strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_odu_v4.name, IPA_RESOURCE_NAME_MAX);
	rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
	rt_tbl_idx.ip = IPA_IP_v4;
	if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
	{
		IPACMERR("Failed to get routing table index from name\n");
		return IPACM_FAILURE;
	}
	IPACMDBG_H("Odu routing table %s has index %d\n", rt_tbl_idx.name, rt_tbl_idx.idx);

	memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
	flt_rule_entry.flt_rule_hdl = -1;
	flt_rule_entry.status = -1;
	flt_rule_entry.at_rear = false;

	flt_rule_entry.rule.retain_hdr = 0;
	flt_rule_entry.rule.to_uc = 0;
	flt_rule_entry.rule.eq_attrib_type = 1;
	flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
#ifdef FEATURE_IPA_V3
	flt_rule_entry.rule.hashable = true;
#endif
	flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

	memcpy(&flt_rule_entry.rule.attrib,
				 &rx_prop->rx[0].attrib,
				 sizeof(struct ipa_rule_attrib));
	flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
	flt_rule_entry.rule.attrib.u.v4.dst_addr_mask = 0x00000000;
	flt_rule_entry.rule.attrib.u.v4.dst_addr = 0x00000000;

	memset(&flt_eq, 0, sizeof(flt_eq));
	memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
	flt_eq.ip = IPA_IP_v4;
	if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
	{
		IPACMERR("Failed to get eq_attrib\n");
		return IPACM_FAILURE;
	}
	memcpy(&flt_rule_entry.rule.eq_attrib,
				 &flt_eq.eq_attrib,
				 sizeof(flt_rule_entry.rule.eq_attrib));

	memcpy(&(pFilteringTable_v4->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

	/* construc v6 rule */
	memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
	/* get eMBMS ODU tbl*/
	memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
	strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_odu_v6.name, IPA_RESOURCE_NAME_MAX);
	rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
	rt_tbl_idx.ip = IPA_IP_v6;
	if(0 != ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx))
	{
		IPACMERR("Failed to get routing table index from name\n");
		return IPACM_FAILURE;
	}
	IPACMDBG_H("Odu routing table %s has index %d\n", rt_tbl_idx.name, rt_tbl_idx.idx);

	memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
	flt_rule_entry.flt_rule_hdl = -1;
	flt_rule_entry.status = -1;
	flt_rule_entry.at_rear = false;

	flt_rule_entry.rule.retain_hdr = 0;
	flt_rule_entry.rule.to_uc = 0;
	flt_rule_entry.rule.eq_attrib_type = 1;
	flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
#ifdef FEATURE_IPA_V3
	flt_rule_entry.rule.hashable = true;
#endif
	flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

	memcpy(&flt_rule_entry.rule.attrib,
				 &rx_prop->rx[0].attrib,
				 sizeof(struct ipa_rule_attrib));
	flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_DST_ADDR;
	flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[0] = 0x00000000;
	flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[1] = 0x00000000;
	flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[2] = 0x00000000;
	flt_rule_entry.rule.attrib.u.v6.dst_addr_mask[3] = 0x00000000;
	flt_rule_entry.rule.attrib.u.v6.dst_addr[0] = 0X00000000;
	flt_rule_entry.rule.attrib.u.v6.dst_addr[1] = 0x00000000;
	flt_rule_entry.rule.attrib.u.v6.dst_addr[2] = 0x00000000;
	flt_rule_entry.rule.attrib.u.v6.dst_addr[3] = 0X00000000;

	memset(&flt_eq, 0, sizeof(flt_eq));
	memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
	flt_eq.ip = IPA_IP_v6;
	if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
	{
		IPACMERR("Failed to get eq_attrib\n");
		return IPACM_FAILURE;
	}
	memcpy(&flt_rule_entry.rule.eq_attrib,
				 &flt_eq.eq_attrib,
				 sizeof(flt_rule_entry.rule.eq_attrib));

	memcpy(&(pFilteringTable_v6->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

	return IPACM_SUCCESS;
}


/*for STA mode: handle wan-iface down event */
int IPACM_Wan::handle_down_evt()
{
	int res = IPACM_SUCCESS;
	uint32_t i, tether_total;
	int ipa_if_num_tether_tmp[IPA_MAX_IFACE_ENTRIES];

	tether_total = 0;
	memset(ipa_if_num_tether_tmp, 0, IPA_MAX_IFACE_ENTRIES);

	IPACMDBG_H(" wan handle_down_evt \n");
	if(IPACM_Iface::ipacmcfg->GetIPAVer() >= IPA_HW_None && IPACM_Iface::ipacmcfg->GetIPAVer() < IPA_HW_v4_0)
	{
		/* Delete corresponding ipa_rm_resource_name of TX-endpoint after delete IPV4/V6 RT-rule */
		IPACMDBG_H("dev %s delete producer dependency\n", dev_name);
		if (tx_prop != NULL)
		{
			IPACMDBG_H("depend Got pipe %d rm index : %d \n", tx_prop->tx[0].dst_pipe, IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe]);
			IPACM_Iface::ipacmcfg->DelRmDepend(IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe]);
		}
	}
	/* no iface address up, directly close iface*/
	if (ip_type == IPACM_IP_NULL)
	{
		goto fail;
	}

	/* make sure default routing rules and firewall rules are deleted*/
	if (active_v4)
	{
		if (rx_prop != NULL)
		{
			del_dft_firewall_rules(IPA_IP_v4);
		}
		handle_route_del_evt(IPA_IP_v4);
		IPACMDBG_H("Delete default v4 routing rules\n");

		if(m_is_sta_mode == Q6_MHI_WAN)
		{
			/* Delete default v4 RT rule */
			IPACMDBG_H("Delete default v4 routing rules\n");
			if (m_routing.DeleteRoutingHdl(dft_rt_rule_hdl[0], IPA_IP_v4) == false)
			{
				IPACMERR("Routing v6-lan-RT rule deletion failed!\n");
				res = IPACM_FAILURE;
				goto fail;
			}
		}

#ifdef FEATURE_IPA_ANDROID
		/* posting wan_down_tether for lan clients */
#ifdef FEATURE_IPACM_HAL
		IPACMDBG_H("Posting IPA_WAN_DOWN_TETHER_EVENT for IPV4\n");
		post_wan_down_tether_evt(IPA_IP_v4, 0);
#else
		for (i=0; i < IPACM_Wan::ipa_if_num_tether_v4_total; i++)
		{
			ipa_if_num_tether_tmp[i] = IPACM_Wan::ipa_if_num_tether_v4[i];
		}
		tether_total = IPACM_Wan::ipa_if_num_tether_v4_total;
		for (i=0; i < tether_total; i++)
		{
			post_wan_down_tether_evt(IPA_IP_v4, ipa_if_num_tether_tmp[i]);
			IPACMDBG_H("post_wan_down_tether_v4 iface(%d: %s)\n",
				i, IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether_tmp[i]].iface_name);
		}
#endif
#endif
	}

	if (active_v6)
	{
		if (rx_prop != NULL)
		{
			del_dft_firewall_rules(IPA_IP_v6);
		}
		handle_route_del_evt(IPA_IP_v6);
		IPACMDBG_H("Delete default v6 routing rules\n");

		if(m_is_sta_mode == Q6_MHI_WAN)
		{
			/* Delete default v6 RT rule */
			IPACMDBG_H("Delete default v6 routing rules\n");
			if (m_routing.DeleteRoutingHdl(dft_rt_rule_hdl[1], IPA_IP_v6) == false)
			{
				IPACMERR("Routing v6-wan-RT rule deletion failed!\n");
				res = IPACM_FAILURE;
				goto fail;
			}
		}

#ifdef FEATURE_IPA_ANDROID
		/* posting wan_down_tether for lan clients */
#ifdef FEATURE_IPACM_HAL
		IPACMDBG_H("Posting IPA_WAN_DOWN_TETHER_EVENT for IPV6\n");
		post_wan_down_tether_evt(IPA_IP_v6, 0);
#else
		for (i=0; i < IPACM_Wan::ipa_if_num_tether_v6_total; i++)
		{
			ipa_if_num_tether_tmp[i] = IPACM_Wan::ipa_if_num_tether_v6[i];
		}
		tether_total = IPACM_Wan::ipa_if_num_tether_v6_total;
		for (i=0; i < tether_total; i++)
		{
			post_wan_down_tether_evt(IPA_IP_v6, ipa_if_num_tether_tmp[i]);
			IPACMDBG_H("post_wan_down_tether_v6 iface(%d: %s)\n",
				i, IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether_tmp[i]].iface_name);
		}
#endif
#endif
	}

	if(m_is_sta_mode != Q6_MHI_WAN)
	{
		/* Delete default v4 RT rule */
		if (ip_type != IPA_IP_v6)
		{
			/* no need delete v4 RSC routing rules */
			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-routing 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 delete default v6 RT rules\n ");
		}
		/* clean wan-client header, routing rules */
		IPACMDBG_H("left %d wan clients need to be deleted \n ", num_wan_client);
		for (i = 0; i < num_wan_client; i++)
		{
				/* Del NAT rules before ipv4 RT rules are delete */
				if(get_client_memptr(wan_client, i)->ipv4_set == true)
				{
					IPACMDBG_H("Clean Nat Rules for ipv4:0x%x\n", get_client_memptr(wan_client, i)->v4_addr);
					CtList->HandleSTAClientDelEvt(get_client_memptr(wan_client, i)->v4_addr);
				}

				if (delete_wan_rtrules(i, IPA_IP_v4))
				{
					IPACMERR("unbale to delete wan-client v4 route rules for index %d\n", i);
					res = IPACM_FAILURE;
					goto fail;
				}

				if (delete_wan_rtrules(i, IPA_IP_v6))
				{
					IPACMERR("unbale to delete ecm-client v6 route rules for index %d\n", i);
					res = IPACM_FAILURE;
					goto fail;
				}

				IPACMDBG_H("Delete %d client header\n", num_wan_client);
				if(get_client_memptr(wan_client, i)->ipv4_header_set == true)
				{
					if (m_header.DeleteHeaderHdl(get_client_memptr(wan_client, i)->hdr_hdl_v4)
						== false)
					{
						res = IPACM_FAILURE;
						goto fail;
					}
				}
				if(get_client_memptr(wan_client, i)->ipv6_header_set == true)
				{
					if (m_header.DeleteHeaderHdl(get_client_memptr(wan_client, i)->hdr_hdl_v6)
						== false)
					{
						res = IPACM_FAILURE;
						goto fail;
					}
				}
		} /* end of for loop */
		/* free the edm clients cache */
		IPACMDBG_H("Free wan clients cache\n");

		/* check software routing fl rule hdl */
		if (softwarerouting_act == true)
		{
			handle_software_routing_disable();
		}
		/* free dft ipv4 filter rule handlers if any */
		if (ip_type != IPA_IP_v6 && rx_prop != NULL)
		{
			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 Delete Filtering rules, 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("finished delete default v4 filtering rules\n ");
			}
		}
		/* free dft ipv6 filter rule handlers if any */
		if (ip_type != IPA_IP_v4 && rx_prop != NULL)
		{
			if (dft_v6fl_rule_hdl[0] != 0)
			{
				if (m_filtering.DeleteFilteringHdls(dft_v6fl_rule_hdl,
					IPA_IP_v6,
					IPV6_DEFAULT_FILTERTING_RULES) == false)
				{
					IPACMERR("ErrorDeleting Filtering rule, aborting...\n");
					res = IPACM_FAILURE;
					goto fail;
				}
				IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, IPV6_DEFAULT_FILTERTING_RULES);
			}
			if(num_ipv6_dest_flt_rule > 0 && num_ipv6_dest_flt_rule <= MAX_DEFAULT_v6_ROUTE_RULES)
			{
				if(m_filtering.DeleteFilteringHdls(ipv6_dest_flt_rule_hdl,  IPA_IP_v6, num_ipv6_dest_flt_rule) == false)
				{
					IPACMERR("Failed to delete ipv6 dest flt rules.\n");
					res = IPACM_FAILURE;
					goto fail;
				}
				IPACM_Iface::ipacmcfg->decreaseFltRuleCount(rx_prop->rx[0].src_pipe, IPA_IP_v6, num_ipv6_dest_flt_rule);
			}
			IPACMDBG_H("finished delete default v6 filtering rules\n ");
		}
		if(hdr_proc_hdl_dummy_v6)
		{
			if(m_header.DeleteHeaderProcCtx(hdr_proc_hdl_dummy_v6) == false)
			{
				IPACMERR("Failed to delete hdr_proc_hdl_dummy_v6\n");
				res = IPACM_FAILURE;
				goto fail;
			}
		}
		if(hdr_hdl_dummy_v6)
		{
			if (m_header.DeleteHeaderHdl(hdr_hdl_dummy_v6) == false)
			{
				IPACMERR("Failed to delete hdr_hdl_dummy_v6\n");
				res = IPACM_FAILURE;
				goto fail;
			}
		}
	}
fail:
	if (tx_prop != NULL)
	{
		free(tx_prop);
	}
	if (rx_prop != NULL)
	{
		free(rx_prop);
	}
	if (iface_query != NULL)
	{
		free(iface_query);
	}
	if (wan_route_rule_v4_hdl != NULL)
	{
		free(wan_route_rule_v4_hdl);
	}
	if (wan_route_rule_v6_hdl != NULL)
	{
		free(wan_route_rule_v6_hdl);
	}
	if (wan_route_rule_v6_hdl_a5 != NULL)
	{
		free(wan_route_rule_v6_hdl_a5);
	}
	if (wan_client != NULL)
	{
		free(wan_client);
	}
	close(m_fd_ipa);
	return res;
}

int IPACM_Wan::handle_down_evt_ex()
{
	int res = IPACM_SUCCESS;
	uint32_t i;
#ifndef FEATURE_IPACM_HAL
	uint32_t tether_total;
	int ipa_if_num_tether_tmp[IPA_MAX_IFACE_ENTRIES];
#endif

	IPACMDBG_H(" wan handle_down_evt \n");

	/* free ODU filter rule handlers */
	if(IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_cat == EMBMS_IF)
	{
		embms_is_on = false;
		if(IPACM_Iface::ipacmcfg->GetIPAVer() >= IPA_HW_None && IPACM_Iface::ipacmcfg->GetIPAVer() < IPA_HW_v4_0)
		{
			/* Delete corresponding ipa_rm_resource_name of TX-endpoint after delete IPV4/V6 RT-rule */
			IPACMDBG_H("dev %s delete producer dependency\n", dev_name);
			if (tx_prop != NULL)
			{
				IPACMDBG_H("depend Got pipe %d rm index : %d \n", tx_prop->tx[0].dst_pipe, IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe]);
				IPACM_Iface::ipacmcfg->DelRmDepend(IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe]);
			}
		}
		if (rx_prop != NULL)
		{
			install_wan_filtering_rule(false);
			IPACMDBG("finished delete embms filtering rule\n ");
		}
		goto fail;
	}

	/* no iface address up, directly close iface*/
	if (ip_type == IPACM_IP_NULL)
	{
		goto fail;
	}

	if(ip_type == IPA_IP_v4)
	{
		num_ipv4_modem_pdn--;
		IPACMDBG_H("Now the number of ipv4 modem pdn is %d.\n", num_ipv4_modem_pdn);
		/* only when default gw goes down we post WAN_DOWN event*/
		if(is_default_gateway == true)
		{
			IPACM_Wan::wan_up = false;
			del_wan_firewall_rule(IPA_IP_v4);
			install_wan_filtering_rule(false);
			handle_route_del_evt_ex(IPA_IP_v4);
#ifdef FEATURE_IPA_ANDROID
			/* posting wan_down_tether for all lan clients */
#ifdef FEATURE_IPACM_HAL
			post_wan_down_tether_evt(IPA_IP_v4, 0);
#else
			for (i=0; i < IPACM_Wan::ipa_if_num_tether_v4_total; i++)
			{
				ipa_if_num_tether_tmp[i] = IPACM_Wan::ipa_if_num_tether_v4[i];
			}
			tether_total = IPACM_Wan::ipa_if_num_tether_v4_total;
			for (i=0; i < tether_total; i++)
			{
				post_wan_down_tether_evt(IPA_IP_v4, ipa_if_num_tether_tmp[i]);
				IPACMDBG_H("post_wan_down_tether_v4 iface(%d: %s)\n",
					i, IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether_tmp[i]].iface_name);
			}
#endif
#endif
			if(IPACM_Wan::wan_up_v6)
			{
				IPACMDBG_H("modem v6-call still up(%s), not reset\n", IPACM_Wan::wan_up_dev_name);
			}
			else
			{
				memset(IPACM_Wan::wan_up_dev_name, 0, sizeof(IPACM_Wan::wan_up_dev_name));
			}
		}

		/* only when the last ipv4 modem interface goes down, delete ipv4 default flt rules*/
		if(num_ipv4_modem_pdn == 0)
		{
			IPACMDBG_H("Now the number of modem ipv4 interface is 0, delete default flt rules.\n");
		IPACM_Wan::num_v4_flt_rule = 0;
		memset(IPACM_Wan::flt_rule_v4, 0, IPA_MAX_FLT_RULE * sizeof(struct ipa_flt_rule_add));
		install_wan_filtering_rule(false);
		}

		IPACMDBG_H("Delete default v4 coalesce routing rules\n");
		if (m_routing.DeleteRoutingHdl(dft_coalesce_rt_rule_hdl[0], IPA_IP_v4) == false)
		{
			IPACMERR("Routing rule RSC TCP deletion failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		if (m_routing.DeleteRoutingHdl(dft_coalesce_rt_rule_hdl[1], IPA_IP_v4) == false)
		{
			IPACMERR("Routing rule RSB UDP deletion failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		if (m_routing.DeleteRoutingHdl(dft_rt_rule_hdl[0], IPA_IP_v4) == false)
		{
			IPACMERR("Routing rule deletion failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}
	}
	else if(ip_type == IPA_IP_v6)
	{
	    if (num_dft_rt_v6 > 1)
			num_ipv6_modem_pdn--;
		IPACMDBG_H("Now the number of ipv6 modem pdn is %d.\n", num_ipv6_modem_pdn);
		/* only when default gw goes down we post WAN_DOWN event*/
		if(is_default_gateway == true)
		{
			IPACM_Wan::wan_up_v6 = false;
			del_wan_firewall_rule(IPA_IP_v6);
			install_wan_filtering_rule(false);
			handle_route_del_evt_ex(IPA_IP_v6);
#ifdef FEATURE_IPA_ANDROID
			/* posting wan_down_tether for all lan clients */
#ifdef FEATURE_IPACM_HAL
			post_wan_down_tether_evt(IPA_IP_v6, 0);
#else
			for (i=0; i < IPACM_Wan::ipa_if_num_tether_v6_total; i++)
			{
				ipa_if_num_tether_tmp[i] = IPACM_Wan::ipa_if_num_tether_v6[i];
			}
			tether_total = IPACM_Wan::ipa_if_num_tether_v6_total;
			for (i=0; i < tether_total; i++)
			{
				post_wan_down_tether_evt(IPA_IP_v6, ipa_if_num_tether_tmp[i]);
				IPACMDBG_H("post_wan_down_tether_v6 iface(%d: %s)\n",
					i, IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether_tmp[i]].iface_name);
			}
#endif
#endif
			if(IPACM_Wan::wan_up)
			{
				IPACMDBG_H("modem v4-call still up(%s), not reset\n", IPACM_Wan::wan_up_dev_name);
			}
			else
			{
				memset(IPACM_Wan::wan_up_dev_name, 0, sizeof(IPACM_Wan::wan_up_dev_name));
			}
		}

		/* only when the last ipv6 modem interface goes down, delete ipv6 default flt rules*/
		if(num_ipv6_modem_pdn == 0)
		{
			IPACMDBG_H("Now the number of modem ipv6 interface is 0, delete default flt rules.\n");
		IPACM_Wan::num_v6_flt_rule = 0;
		memset(IPACM_Wan::flt_rule_v6, 0, IPA_MAX_FLT_RULE * sizeof(struct ipa_flt_rule_add));
		install_wan_filtering_rule(false);
		}

		for (i = 0; i < 2*num_dft_rt_v6; i++)
		{
			/* delete v6 colasce rules */
			if (m_routing.DeleteRoutingHdl(dft_coalesce_rt_rule_hdl[2*MAX_DEFAULT_v4_ROUTE_RULES+i], IPA_IP_v6) == false)
			{
				IPACMERR("Colasce Routing rule deletion failed!\n");
				res = IPACM_FAILURE;
				goto fail;
			}
			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;
			}
		}
	}
	else
	{
		num_ipv4_modem_pdn--;
		IPACMDBG_H("Now the number of ipv4 modem pdn is %d.\n", num_ipv4_modem_pdn);
	    if (num_dft_rt_v6 > 1)
			num_ipv6_modem_pdn--;
		IPACMDBG_H("Now the number of ipv6 modem pdn is %d.\n", num_ipv6_modem_pdn);
		/* only when default gw goes down we post WAN_DOWN event*/
		if(is_default_gateway == true)
		{
			IPACM_Wan::wan_up = false;
			del_wan_firewall_rule(IPA_IP_v4);
			handle_route_del_evt_ex(IPA_IP_v4);
#ifdef FEATURE_IPA_ANDROID
			/* posting wan_down_tether for all lan clients */
#ifdef FEATURE_IPACM_HAL
			IPACMDBG_H("Posting IPA_WAN_DOWN_TETHER_EVENT for IPV4\n");
			post_wan_down_tether_evt(IPA_IP_v4, 0);
#else
			for (i=0; i < IPACM_Wan::ipa_if_num_tether_v4_total; i++)
			{
				ipa_if_num_tether_tmp[i] = IPACM_Wan::ipa_if_num_tether_v4[i];
			}
			tether_total = IPACM_Wan::ipa_if_num_tether_v4_total;
			for (i=0; i < tether_total; i++)
			{
				post_wan_down_tether_evt(IPA_IP_v4, ipa_if_num_tether_tmp[i]);
				IPACMDBG_H("post_wan_down_tether_v4 iface(%d: %s)\n",
					i, IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether_tmp[i]].iface_name);
			}
#endif
#endif
			IPACM_Wan::wan_up_v6 = false;
			del_wan_firewall_rule(IPA_IP_v6);
			handle_route_del_evt_ex(IPA_IP_v6);
#ifdef FEATURE_IPA_ANDROID
			/* posting wan_down_tether for all lan clients */
#ifdef FEATURE_IPACM_HAL
                        IPACMDBG_H("Posting IPA_WAN_DOWN_TETHER_EVENT for IPV6\n");
                        post_wan_down_tether_evt(IPA_IP_v6, 0);
#else
			for (i=0; i < IPACM_Wan::ipa_if_num_tether_v6_total; i++)
			{
				ipa_if_num_tether_tmp[i] = IPACM_Wan::ipa_if_num_tether_v6[i];
			}
			tether_total = IPACM_Wan::ipa_if_num_tether_v6_total;
			for (i=0; i < tether_total; i++)
			{
				post_wan_down_tether_evt(IPA_IP_v6, ipa_if_num_tether_tmp[i]);
				IPACMDBG_H("post_wan_down_tether_v6 iface(%d: %s)\n",
					i, IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether_tmp[i]].iface_name);
			}
#endif
#endif
			memset(IPACM_Wan::wan_up_dev_name, 0, sizeof(IPACM_Wan::wan_up_dev_name));

			install_wan_filtering_rule(false);
		}

		/* only when the last ipv4 modem interface goes down, delete ipv4 default flt rules*/
		if(num_ipv4_modem_pdn == 0)
		{
			IPACMDBG_H("Now the number of modem ipv4 interface is 0, delete default flt rules.\n");
			IPACM_Wan::num_v4_flt_rule = 0;
			memset(IPACM_Wan::flt_rule_v4, 0, IPA_MAX_FLT_RULE * sizeof(struct ipa_flt_rule_add));
			install_wan_filtering_rule(false);
		}
		/* only when the last ipv6 modem interface goes down, delete ipv6 default flt rules*/
		if(num_ipv6_modem_pdn == 0)
		{
			IPACMDBG_H("Now the number of modem ipv6 interface is 0, delete default flt rules.\n");
			IPACM_Wan::num_v6_flt_rule = 0;
			memset(IPACM_Wan::flt_rule_v6, 0, IPA_MAX_FLT_RULE * sizeof(struct ipa_flt_rule_add));
			install_wan_filtering_rule(false);
		}

		IPACMDBG_H("Delete default v4 coalesce routing rules\n");
		if (m_routing.DeleteRoutingHdl(dft_coalesce_rt_rule_hdl[0], IPA_IP_v4) == false)
		{
			IPACMERR("Routing rule RSC TCP deletion failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		if (m_routing.DeleteRoutingHdl(dft_coalesce_rt_rule_hdl[1], IPA_IP_v4) == false)
		{
			IPACMERR("Routing rule RSB UDP deletion failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		if (m_routing.DeleteRoutingHdl(dft_rt_rule_hdl[0], IPA_IP_v4) == false)
		{
			IPACMERR("Routing rule deletion failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}

		for (i = 0; i < 2*num_dft_rt_v6; i++)
		{
			/* delete v6 colasce rules */
			if (m_routing.DeleteRoutingHdl(dft_coalesce_rt_rule_hdl[2*MAX_DEFAULT_v4_ROUTE_RULES+i], IPA_IP_v6) == false)
			{
				IPACMERR("Colasce Routing rule deletion failed!\n");
				res = IPACM_FAILURE;
				goto fail;
			}
			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;
			}
		}
	}

	/* check software routing fl rule hdl */
	if (softwarerouting_act == true)
	{
		handle_software_routing_disable();
	}

fail:
	if (tx_prop != NULL)
	{
		free(tx_prop);
	}
	if (rx_prop != NULL)
	{
		free(rx_prop);
	}
	if (ext_prop != NULL)
	{
		free(ext_prop);
	}
	if (iface_query != NULL)
	{
		free(iface_query);
	}
	if (wan_route_rule_v4_hdl != NULL)
	{
		free(wan_route_rule_v4_hdl);
	}
	if (wan_route_rule_v6_hdl != NULL)
	{
		free(wan_route_rule_v6_hdl);
	}
	if (wan_route_rule_v6_hdl_a5 != NULL)
	{
		free(wan_route_rule_v6_hdl_a5);
	}
	if (wan_client != NULL)
	{
		free(wan_client);
	}
	close(m_fd_ipa);
	return res;
}

int IPACM_Wan::install_wan_filtering_rule(bool is_sw_routing)
{
	int len, res = IPACM_SUCCESS;
	uint8_t mux_id;
	ipa_ioc_add_flt_rule *pFilteringTable_v4 = NULL;
	ipa_ioc_add_flt_rule *pFilteringTable_v6 = NULL;

	mux_id = IPACM_Iface::ipacmcfg->GetQmapId();
	if(rx_prop == NULL)
	{
		IPACMDBG_H("No rx properties registered for iface %s\n", dev_name);
		return IPACM_SUCCESS;
	}
	if (is_sw_routing == true ||
			IPACM_Iface::ipacmcfg->ipa_sw_rt_enable == true)
	{
		/* contruct SW-RT rules to Q6*/
		struct ipa_flt_rule_add flt_rule_entry;
		struct ipa_ioc_get_rt_tbl_indx rt_tbl_idx;
		ipa_ioc_generate_flt_eq flt_eq;

		IPACMDBG("\n");
		if (softwarerouting_act == true)
		{
			IPACMDBG("already setup software_routing rule for (%s)iface ip-family %d\n",
								IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].iface_name, ip_type);
			return IPACM_SUCCESS;
		}

		len = sizeof(struct ipa_ioc_add_flt_rule) + sizeof(struct ipa_flt_rule_add);
		pFilteringTable_v4 = (struct ipa_ioc_add_flt_rule*)malloc(len);
		if (pFilteringTable_v4 == NULL)
		{
			IPACMERR("Error Locate ipa_flt_rule_add memory...\n");
			return IPACM_FAILURE;
		}
		memset(pFilteringTable_v4, 0, len);
		IPACMDBG_H("Total number of WAN DL filtering rule for IPv4 is 1\n");

		pFilteringTable_v4->commit = 1;
		pFilteringTable_v4->ep = rx_prop->rx[0].src_pipe;
		pFilteringTable_v4->global = false;
		pFilteringTable_v4->ip = IPA_IP_v4;
		pFilteringTable_v4->num_rules = (uint8_t)1;

		/* Configuring Software-Routing Filtering Rule */
		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
		memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
		strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
		rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
		rt_tbl_idx.ip = IPA_IP_v4;
		if(ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx) < 0)
		{
			IPACMERR("Failed to get routing table index from name\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		IPACMDBG_H("Routing table %s has index %d\n", rt_tbl_idx.name, rt_tbl_idx.idx);

		flt_rule_entry.at_rear = false;
		flt_rule_entry.flt_rule_hdl = -1;
		flt_rule_entry.status = -1;
		flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
#ifdef FEATURE_IPA_V3
		flt_rule_entry.rule.hashable = true;
#endif

		flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;

		memcpy(&flt_rule_entry.rule.attrib,
					&rx_prop->rx[0].attrib,
					sizeof(flt_rule_entry.rule.attrib));
		flt_rule_entry.rule.retain_hdr = 0;
		flt_rule_entry.rule.to_uc = 0;
		flt_rule_entry.rule.eq_attrib_type = 1;

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = IPA_IP_v4;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		memcpy(&flt_rule_entry.rule.eq_attrib,
			&flt_eq.eq_attrib,
			sizeof(flt_rule_entry.rule.eq_attrib));
		memcpy(&(pFilteringTable_v4->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

		len = sizeof(struct ipa_ioc_add_flt_rule) + sizeof(struct ipa_flt_rule_add);
		pFilteringTable_v6 = (struct ipa_ioc_add_flt_rule*)malloc(len);
		if (pFilteringTable_v6 == NULL)
		{
			IPACMERR("Error Locate ipa_flt_rule_add memory...\n");
			free(pFilteringTable_v4);
			return IPACM_FAILURE;
		}
		memset(pFilteringTable_v6, 0, len);
		IPACMDBG_H("Total number of WAN DL filtering rule for IPv6 is 1\n");

		pFilteringTable_v6->commit = 1;
		pFilteringTable_v6->ep = rx_prop->rx[0].src_pipe;
		pFilteringTable_v6->global = false;
		pFilteringTable_v6->ip = IPA_IP_v6;
		pFilteringTable_v6->num_rules = (uint8_t)1;

		/* Configuring Software-Routing Filtering Rule */
		memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
		memset(&rt_tbl_idx, 0, sizeof(rt_tbl_idx));
		strlcpy(rt_tbl_idx.name, IPACM_Iface::ipacmcfg->rt_tbl_wan_dl.name, IPA_RESOURCE_NAME_MAX);
		rt_tbl_idx.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
		rt_tbl_idx.ip = IPA_IP_v6;
		if(ioctl(m_fd_ipa, IPA_IOC_QUERY_RT_TBL_INDEX, &rt_tbl_idx) < 0)
		{
			IPACMERR("Failed to get routing table index from name\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		IPACMDBG_H("Routing table %s has index %d\n", rt_tbl_idx.name, rt_tbl_idx.idx);

		flt_rule_entry.at_rear = false;
		flt_rule_entry.flt_rule_hdl = -1;
		flt_rule_entry.status = -1;
		flt_rule_entry.rule.action = IPA_PASS_TO_ROUTING;
#ifdef FEATURE_IPA_V3
		flt_rule_entry.rule.hashable = true;
#endif
		flt_rule_entry.rule.rt_tbl_idx = rt_tbl_idx.idx;
		memcpy(&flt_rule_entry.rule.attrib,
					&rx_prop->rx[0].attrib,
					sizeof(flt_rule_entry.rule.attrib));
		flt_rule_entry.rule.retain_hdr = 0;
		flt_rule_entry.rule.to_uc = 0;
		flt_rule_entry.rule.eq_attrib_type = 1;

		memset(&flt_eq, 0, sizeof(flt_eq));
		memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
		flt_eq.ip = IPA_IP_v6;
		if(0 != ioctl(m_fd_ipa, IPA_IOC_GENERATE_FLT_EQ, &flt_eq))
		{
			IPACMERR("Failed to get eq_attrib\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		memcpy(&flt_rule_entry.rule.eq_attrib,
			&flt_eq.eq_attrib,
			sizeof(flt_rule_entry.rule.eq_attrib));
		memcpy(&(pFilteringTable_v6->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));
		softwarerouting_act = true;
		/* end of contruct SW-RT rules to Q6*/
	}
	else
	{
		if(embms_is_on == false)
		{
			if(IPACM_Wan::num_v4_flt_rule > 0)
			{
				len = sizeof(struct ipa_ioc_add_flt_rule) + IPACM_Wan::num_v4_flt_rule * sizeof(struct ipa_flt_rule_add);
				pFilteringTable_v4 = (struct ipa_ioc_add_flt_rule*)malloc(len);

				IPACMDBG_H("Total number of WAN DL filtering rule for IPv4 is %d\n", IPACM_Wan::num_v4_flt_rule);

				if (pFilteringTable_v4 == NULL)
				{
					IPACMERR("Error Locate ipa_flt_rule_add memory...\n");
					return IPACM_FAILURE;
				}
				memset(pFilteringTable_v4, 0, len);
				pFilteringTable_v4->commit = 1;
				pFilteringTable_v4->ep = rx_prop->rx[0].src_pipe;
				pFilteringTable_v4->global = false;
				pFilteringTable_v4->ip = IPA_IP_v4;
				pFilteringTable_v4->num_rules = (uint8_t)IPACM_Wan::num_v4_flt_rule;

				memcpy(pFilteringTable_v4->rules, IPACM_Wan::flt_rule_v4, IPACM_Wan::num_v4_flt_rule * sizeof(ipa_flt_rule_add));
			}

			if(IPACM_Wan::num_v6_flt_rule > 0)
			{
				len = sizeof(struct ipa_ioc_add_flt_rule) + IPACM_Wan::num_v6_flt_rule * sizeof(struct ipa_flt_rule_add);
				pFilteringTable_v6 = (struct ipa_ioc_add_flt_rule*)malloc(len);

				IPACMDBG_H("Total number of WAN DL filtering rule for IPv6 is %d\n", IPACM_Wan::num_v6_flt_rule);

				if (pFilteringTable_v6 == NULL)
				{
					IPACMERR("Error Locate ipa_flt_rule_add memory...\n");
					free(pFilteringTable_v4);
					return IPACM_FAILURE;
				}
				memset(pFilteringTable_v6, 0, len);
				pFilteringTable_v6->commit = 1;
				pFilteringTable_v6->ep = rx_prop->rx[0].src_pipe;
				pFilteringTable_v6->global = false;
				pFilteringTable_v6->ip = IPA_IP_v6;
				pFilteringTable_v6->num_rules = (uint8_t)IPACM_Wan::num_v6_flt_rule;

				memcpy(pFilteringTable_v6->rules, IPACM_Wan::flt_rule_v6, IPACM_Wan::num_v6_flt_rule * sizeof(ipa_flt_rule_add));
			}
		}
		else	//embms is on, always add 1 embms rule on top of WAN DL flt table
		{
			/* allocate ipv4 filtering table */
			len = sizeof(struct ipa_ioc_add_flt_rule) + (1 + IPACM_Wan::num_v4_flt_rule) * sizeof(struct ipa_flt_rule_add);
			pFilteringTable_v4 = (struct ipa_ioc_add_flt_rule*)malloc(len);
			IPACMDBG_H("Total number of WAN DL filtering rule for IPv4 is %d\n", IPACM_Wan::num_v4_flt_rule + 1);
			if (pFilteringTable_v4 == NULL)
			{
				IPACMERR("Error Locate ipa_flt_rule_add memory...\n");
				return IPACM_FAILURE;
			}
			memset(pFilteringTable_v4, 0, len);
			pFilteringTable_v4->commit = 1;
			pFilteringTable_v4->ep = rx_prop->rx[0].src_pipe;
			pFilteringTable_v4->global = false;
			pFilteringTable_v4->ip = IPA_IP_v4;
			pFilteringTable_v4->num_rules = (uint8_t)IPACM_Wan::num_v4_flt_rule + 1;

			/* allocate ipv6 filtering table */
			len = sizeof(struct ipa_ioc_add_flt_rule) + (1 + IPACM_Wan::num_v6_flt_rule) * sizeof(struct ipa_flt_rule_add);
			pFilteringTable_v6 = (struct ipa_ioc_add_flt_rule*)malloc(len);
			IPACMDBG_H("Total number of WAN DL filtering rule for IPv6 is %d\n", IPACM_Wan::num_v6_flt_rule + 1);
			if (pFilteringTable_v6 == NULL)
			{
				IPACMERR("Error Locate ipa_flt_rule_add memory...\n");
				free(pFilteringTable_v4);
				return IPACM_FAILURE;
			}
			memset(pFilteringTable_v6, 0, len);
			pFilteringTable_v6->commit = 1;
			pFilteringTable_v6->ep = rx_prop->rx[0].src_pipe;
			pFilteringTable_v6->global = false;
			pFilteringTable_v6->ip = IPA_IP_v6;
			pFilteringTable_v6->num_rules = (uint8_t)IPACM_Wan::num_v6_flt_rule + 1;

			config_dft_embms_rules(pFilteringTable_v4, pFilteringTable_v6);
			if(IPACM_Wan::num_v4_flt_rule > 0)
			{
				memcpy(&(pFilteringTable_v4->rules[1]), IPACM_Wan::flt_rule_v4, IPACM_Wan::num_v4_flt_rule * sizeof(ipa_flt_rule_add));
			}

			if(IPACM_Wan::num_v6_flt_rule > 0)
			{
				memcpy(&(pFilteringTable_v6->rules[1]), IPACM_Wan::flt_rule_v6, IPACM_Wan::num_v6_flt_rule * sizeof(ipa_flt_rule_add));
			}
		}
	}

	if(false == m_filtering.AddWanDLFilteringRule(pFilteringTable_v4, pFilteringTable_v6, mux_id))
	{
		IPACMERR("Failed to install WAN DL filtering table.\n");
		res = IPACM_FAILURE;
		goto fail;
	}

fail:
	if(pFilteringTable_v4 != NULL)
	{
		free(pFilteringTable_v4);
	}
	if(pFilteringTable_v6 != NULL)
	{
		free(pFilteringTable_v6);
	}
	return res;
}

/* handle STA WAN-client */
/* handle WAN client initial, construct full headers (tx property) */
int IPACM_Wan::handle_wan_hdr_init(uint8_t *mac_addr)
{

#define WAN_IFACE_INDEX_LEN 2

	int res = IPACM_SUCCESS, len = 0;
	char index[WAN_IFACE_INDEX_LEN];
	struct ipa_ioc_copy_hdr sCopyHeader;
	struct ipa_ioc_add_hdr *pHeaderDescriptor = NULL;
	uint32_t cnt;
	int clnt_indx;

	clnt_indx = get_wan_client_index(mac_addr);

	if (clnt_indx != IPACM_INVALID_INDEX)
	{
		IPACMERR("eth client is found/attached already with index %d \n", clnt_indx);
		return IPACM_FAILURE;
	}

	/* add header to IPA */
	if (num_wan_client >= IPA_MAX_NUM_WAN_CLIENTS)
	{
		IPACMERR("Reached maximum number(%d) of eth clients\n", IPA_MAX_NUM_WAN_CLIENTS);
		return IPACM_FAILURE;
	}

	IPACMDBG_H("WAN client number: %d\n", num_wan_client);

	memcpy(get_client_memptr(wan_client, num_wan_client)->mac,
				 mac_addr,
				 sizeof(get_client_memptr(wan_client, num_wan_client)->mac));

	IPACMDBG_H("Received Client 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]);

	IPACMDBG_H("stored MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
					 get_client_memptr(wan_client, num_wan_client)->mac[0],
					 get_client_memptr(wan_client, num_wan_client)->mac[1],
					 get_client_memptr(wan_client, num_wan_client)->mac[2],
					 get_client_memptr(wan_client, num_wan_client)->mac[3],
					 get_client_memptr(wan_client, num_wan_client)->mac[4],
					 get_client_memptr(wan_client, num_wan_client)->mac[5]);

	/* 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;
		}

		/* 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);
								IPACMDBG_H("header eth2_ofst_valid: %d, eth2_ofst: %d\n", sCopyHeader.is_eth2_ofst_valid, sCopyHeader.eth2_ofst);
								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);
								}

								/* copy client mac_addr to partial header */
								IPACMDBG_H("header eth2_ofst_valid: %d, eth2_ofst: %d\n",
										sCopyHeader.is_eth2_ofst_valid, sCopyHeader.eth2_ofst);

								/* only copy 6 bytes mac-address */
								if(sCopyHeader.is_eth2_ofst_valid == false)
								{
									memcpy(&pHeaderDescriptor->hdr[0].hdr[0],
											mac_addr, IPA_MAC_ADDR_SIZE);
								}
								else
								{
									memcpy(&pHeaderDescriptor->hdr[0].hdr[sCopyHeader.eth2_ofst],
											mac_addr, IPA_MAC_ADDR_SIZE);
								}


								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_WAN_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(wan_client, num_wan_client)->hdr_hdl_v4 = pHeaderDescriptor->hdr[0].hdr_hdl;
					IPACMDBG_H("eth-client(%d) v4 full header name:%s header handle:(0x%x)\n",
												 num_wan_client,
												 pHeaderDescriptor->hdr[0].name,
												 get_client_memptr(wan_client, num_wan_client)->hdr_hdl_v4);
									get_client_memptr(wan_client, num_wan_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);
				IPACMDBG_H("header eth2_ofst_valid: %d, eth2_ofst: %d\n", sCopyHeader.is_eth2_ofst_valid, sCopyHeader.eth2_ofst);
				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);
				}

				/* copy client mac_addr to partial header */
				if(sCopyHeader.is_eth2_ofst_valid == false)
				{
					memcpy(&pHeaderDescriptor->hdr[0].hdr[0],
								 mac_addr, IPA_MAC_ADDR_SIZE); /* only copy 6 bytes mac-address */
				}
				else
				{
					memcpy(&pHeaderDescriptor->hdr[0].hdr[sCopyHeader.eth2_ofst],
								 mac_addr, IPA_MAC_ADDR_SIZE); /* only copy 6 bytes mac-address */
				}


				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_WAN_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(wan_client, num_wan_client)->hdr_hdl_v6 = pHeaderDescriptor->hdr[0].hdr_hdl;
				IPACMDBG_H("eth-client(%d) v6 full header name:%s header handle:(0x%x)\n",
						 num_wan_client,
						 pHeaderDescriptor->hdr[0].name,
									 get_client_memptr(wan_client, num_wan_client)->hdr_hdl_v6);

									get_client_memptr(wan_client, num_wan_client)->ipv6_header_set=true;

				break;

			}
		}
		/* initialize wifi client*/
		get_client_memptr(wan_client, num_wan_client)->route_rule_set_v4 = false;
		get_client_memptr(wan_client, num_wan_client)->route_rule_set_v6 = 0;
		get_client_memptr(wan_client, num_wan_client)->ipv4_set = false;
		get_client_memptr(wan_client, num_wan_client)->ipv6_set = 0;
		num_wan_client++;
		header_name_count++; //keep increasing header_name_count
		res = IPACM_SUCCESS;
		IPACMDBG_H("eth client number: %d\n", num_wan_client);
	}
	else
	{
		return res;
	}
fail:
	free(pHeaderDescriptor);

	return res;
}

/*handle eth client */
int IPACM_Wan::handle_wan_client_ipaddr(ipacm_event_data_all *data)
{
	int clnt_indx;
	int v6_num;

	IPACMDBG_H("number of wan clients: %d\n", num_wan_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_wan_client_index(data->mac_addr);

		if (clnt_indx == IPACM_INVALID_INDEX)
		{
			IPACMERR("wan 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(wan_client, clnt_indx)->ipv4_set == false)
			{
				get_client_memptr(wan_client, clnt_indx)->v4_addr = data->ipv4_addr;
				get_client_memptr(wan_client, clnt_indx)->ipv4_set = true;
				/* Add NAT rules after ipv4 RT rules are set */
				CtList->HandleSTAClientAddEvt(data->ipv4_addr);
			}
			else
			{
			   /* check if client got new IPv4 address*/
			   if(data->ipv4_addr == get_client_memptr(wan_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);
					/* Del NAT rules before ipv4 RT rules are delete */
					CtList->HandleSTAClientDelEvt(get_client_memptr(wan_client, clnt_indx)->v4_addr);
					delete_wan_rtrules(clnt_indx,IPA_IP_v4);
					get_client_memptr(wan_client, clnt_indx)->route_rule_set_v4 = false;
					get_client_memptr(wan_client, clnt_indx)->v4_addr = data->ipv4_addr;
					/* Add NAT rules after ipv4 RT rules are set */
					CtList->HandleSTAClientAddEvt(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(get_client_memptr(wan_client, clnt_indx)->ipv6_set < IPV6_NUM_ADDR)
		   {

		       for(v6_num=0;v6_num < get_client_memptr(wan_client, clnt_indx)->ipv6_set;v6_num++)
	               {
			      if( data->ipv6_addr[0] == get_client_memptr(wan_client, clnt_indx)->v6_addr[v6_num][0] &&
			           data->ipv6_addr[1] == get_client_memptr(wan_client, clnt_indx)->v6_addr[v6_num][1] &&
			  	        data->ipv6_addr[2]== get_client_memptr(wan_client, clnt_indx)->v6_addr[v6_num][2] &&
			  	         data->ipv6_addr[3] == get_client_memptr(wan_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*/
			      }
		       }

		       /* not see this ipv6 before for wifi client*/
			   get_client_memptr(wan_client, clnt_indx)->v6_addr[get_client_memptr(wan_client, clnt_indx)->ipv6_set][0] = data->ipv6_addr[0];
			   get_client_memptr(wan_client, clnt_indx)->v6_addr[get_client_memptr(wan_client, clnt_indx)->ipv6_set][1] = data->ipv6_addr[1];
			   get_client_memptr(wan_client, clnt_indx)->v6_addr[get_client_memptr(wan_client, clnt_indx)->ipv6_set][2] = data->ipv6_addr[2];
			   get_client_memptr(wan_client, clnt_indx)->v6_addr[get_client_memptr(wan_client, clnt_indx)->ipv6_set][3] = data->ipv6_addr[3];
			   get_client_memptr(wan_client, clnt_indx)->ipv6_set++;
		    }
		    else
		    {
		         IPACMDBG_H("Already got 3 ipv6 addr for client:%d\n", clnt_indx);
			 return IPACM_FAILURE; /* not setup the RT rules*/
		    }
		}
		else
		{
			IPACMDBG_H("Invalid IPV6 address\n");
			return IPACM_FAILURE;
		}
	}

	return IPACM_SUCCESS;
}

/*handle wan client routing rule*/
int IPACM_Wan::handle_wan_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 wan_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]);

	wan_index = get_wan_client_index(mac_addr);
	if (wan_index == IPACM_INVALID_INDEX)
	{
		IPACMDBG_H("wan client not found/attached \n");
		return IPACM_SUCCESS;
	}

	if (iptype==IPA_IP_v4) {
		IPACMDBG_H("wan client index: %d, ip-type: %d, ipv4_set:%d, ipv4_rule_set:%d \n", wan_index, iptype,
				get_client_memptr(wan_client, wan_index)->ipv4_set,
				get_client_memptr(wan_client, wan_index)->route_rule_set_v4);
	} else {
		IPACMDBG_H("wan client index: %d, ip-type: %d, ipv6_set:%d, ipv6_rule_num:%d \n", wan_index, iptype,
				get_client_memptr(wan_client, wan_index)->ipv6_set,
				get_client_memptr(wan_client, wan_index)->route_rule_set_v6);
	}

	/* Add default routing rules if not set yet */
	if ((iptype == IPA_IP_v4
				&& get_client_memptr(wan_client, wan_index)->route_rule_set_v4 == false
				&& get_client_memptr(wan_client, wan_index)->ipv4_set == true)
			|| (iptype == IPA_IP_v6
				&& get_client_memptr(wan_client, wan_index)->route_rule_set_v6 < get_client_memptr(wan_client, wan_index)->ipv6_set
			   ))
	{
		if(IPACM_Iface::ipacmcfg->GetIPAVer() >= IPA_HW_None && IPACM_Iface::ipacmcfg->GetIPAVer() < IPA_HW_v4_0)
		{
			/* Add corresponding ipa_rm_resource_name of TX-endpoint up before IPV6 RT-rule set */
			IPACMDBG_H("dev %s add producer dependency\n", dev_name);
			IPACMDBG_H("depend Got pipe %d rm index : %d \n", tx_prop->tx[0].dst_pipe, IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe]);
			IPACM_Iface::ipacmcfg->AddRmDepend(IPACM_Iface::ipacmcfg->ipa_client_rm_map_tbl[tx_prop->tx[0].dst_pipe],false);
		}
		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", wan_index,
						get_client_memptr(wan_client, wan_index)->v4_addr);

				IPACMDBG_H("client(%d): v4 header handle:(0x%x)\n",
						wan_index,
						get_client_memptr(wan_client, wan_index)->hdr_hdl_v4);
				strlcpy(rt_rule->rt_tbl_name,
						IPACM_Iface::ipacmcfg->rt_tbl_wan_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 == true)
				{
					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(wan_client, wan_index)->hdr_hdl_v4;
				rt_rule_entry->rule.attrib.u.v4.dst_addr = get_client_memptr(wan_client, wan_index)->v4_addr;
				rt_rule_entry->rule.attrib.u.v4.dst_addr_mask = 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;
				}

				/* copy ipv4 RT hdl */
				get_client_memptr(wan_client, wan_index)->wan_rt_hdl[tx_index].wan_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(wan_client, wan_index)->wan_rt_hdl[tx_index].wan_rt_rule_hdl_v4, iptype);
			} else {

				for(v6_num = get_client_memptr(wan_client, wan_index)->route_rule_set_v6;v6_num < get_client_memptr(wan_client, wan_index)->ipv6_set;v6_num++)
				{
					IPACMDBG_H("client(%d): v6 header handle:(0x%x)\n",
							wan_index,
							get_client_memptr(wan_client, wan_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';
					/* Uplink going to wan clients should go to IPA */
					if (IPACM_Iface::ipacmcfg->isMCC_Mode == true)
					{
						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;
					}
					memset(&rt_rule_entry->rule.attrib, 0, sizeof(rt_rule_entry->rule.attrib));
					rt_rule_entry->rule.hdr_hdl = get_client_memptr(wan_client, wan_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(wan_client, wan_index)->v6_addr[v6_num][0];
					rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = get_client_memptr(wan_client, wan_index)->v6_addr[v6_num][1];
					rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = get_client_memptr(wan_client, wan_index)->v6_addr[v6_num][2];
					rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = get_client_memptr(wan_client, wan_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(wan_client, wan_index)->wan_rt_hdl[tx_index].wan_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(wan_client, wan_index)->wan_rt_hdl[tx_index].wan_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 clients, should go exception */
					rt_rule_entry->rule.dst = iface_query->excp_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 = 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(wan_client, wan_index)->v6_addr[v6_num][0];
					rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = get_client_memptr(wan_client, wan_index)->v6_addr[v6_num][1];
					rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = get_client_memptr(wan_client, wan_index)->v6_addr[v6_num][2];
					rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = get_client_memptr(wan_client, wan_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;
					if (false == m_routing.AddRoutingRule(rt_rule))
					{
						IPACMERR("Routing rule addition failed!\n");
						free(rt_rule);
						return IPACM_FAILURE;
					}

					get_client_memptr(wan_client, wan_index)->wan_rt_hdl[tx_index].wan_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(wan_client, wan_index)->wan_rt_hdl[tx_index].wan_rt_rule_hdl_v6_wan[v6_num], iptype);
				}
			}

		} /* end of for loop */

		free(rt_rule);

		if (iptype == IPA_IP_v4)
		{
			get_client_memptr(wan_client, wan_index)->route_rule_set_v4 = true;
		}
		else
		{
			get_client_memptr(wan_client, wan_index)->route_rule_set_v6 = get_client_memptr(wan_client, wan_index)->ipv6_set;
		}
	}

	return IPACM_SUCCESS;
}

/* TODO Handle wan client routing rules also */
void IPACM_Wan::handle_wlan_SCC_MCC_switch(bool isSCCMode, 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 = 0;

	IPACMDBG("\n");
	if (tx_prop == NULL || is_default_gateway == false)
	{
		IPACMDBG_H("No tx properties or no default route set yet\n");
		return;
	}

	const int NUM = tx_prop->num_tx_props;

	for (tx_index = 0; tx_index < tx_prop->num_tx_props; tx_index++)
	{
		if (tx_prop->tx[tx_index].ip != iptype)
		{
			IPACMDBG_H("Tx:%d, ip-type: %d ip-type not matching: %d Ignore\n",
					tx_index, tx_prop->tx[tx_index].ip, iptype);
			continue;
		}

		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)
			{
				IPACMERR("Unable to allocate memory for modify rt rule\n");
				return;
			}
			IPACMDBG("Allocated memory for %d rules successfully\n", NUM);

			rt_rule->commit = 1;
			rt_rule->num_rules = 0;
			rt_rule->ip = iptype;
		}

		rt_rule_entry = &rt_rule->rules[rt_rule->num_rules];

		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;

		if (iptype == IPA_IP_v4)
		{
			rt_rule_entry->rule.attrib.u.v4.dst_addr      = 0;
			rt_rule_entry->rule.attrib.u.v4.dst_addr_mask = 0;
			rt_rule_entry->rule.hdr_hdl = hdr_hdl_sta_v4;
			rt_rule_entry->rt_rule_hdl = wan_route_rule_v4_hdl[tx_index];
		}
		else
		{
			rt_rule_entry->rule.attrib.u.v6.dst_addr[0] = 0;
			rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = 0;
			rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = 0;
			rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = 0;
			rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[0] = 0;
			rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[1] = 0;
			rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[2] = 0;
			rt_rule_entry->rule.attrib.u.v6.dst_addr_mask[3] = 0;

			rt_rule_entry->rule.hdr_hdl = hdr_hdl_sta_v6;
			rt_rule_entry->rt_rule_hdl = wan_route_rule_v6_hdl[tx_index];
		}
		IPACMDBG_H("Header handle: 0x%x\n", rt_rule_entry->rule.hdr_hdl);

		if (isSCCMode)
		{
			rt_rule_entry->rule.dst = tx_prop->tx[tx_index].dst_pipe;
		}
		else
		{
			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;
		}

		rt_rule->num_rules++;
	}

	if (rt_rule != NULL)
	{

		if (rt_rule->num_rules > 0)
		{
			if (false == m_routing.ModifyRoutingRule(rt_rule))
			{
				IPACMERR("Routing rule modify failed!\n");
				free(rt_rule);
				return;
			}

			IPACMDBG("Routing rule modified successfully \n");
		}

		free(rt_rule);
	}

	return;
}

void IPACM_Wan::handle_wan_client_SCC_MCC_switch(bool isSCCMode, 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 = 0, clnt_index =0;
	int v6_num = 0;
	const int NUM_RULES = 1;

	int size = sizeof(struct ipa_ioc_mdfy_rt_rule) +
		NUM_RULES * sizeof(struct ipa_rt_rule_mdfy);

	IPACMDBG("isSCCMode: %d\n",isSCCMode);

	if (tx_prop == NULL || is_default_gateway == false)
	{
		IPACMDBG_H("No tx properties or no default route set yet\n");
		return;
	}

	rt_rule = (struct ipa_ioc_mdfy_rt_rule *)calloc(1, size);
	if (rt_rule == NULL)
	{
		IPACMERR("Unable to allocate memory for modify rt rule\n");
		return;
	}


	for (clnt_index = 0; clnt_index < num_wan_client; clnt_index++)
	{
		if (iptype == IPA_IP_v4)
		{
			IPACMDBG_H("wan client index: %d, ip-type: %d, ipv4_set:%d, ipv4_rule_set:%d \n",
					clnt_index, iptype,
					get_client_memptr(wan_client, clnt_index)->ipv4_set,
					get_client_memptr(wan_client, clnt_index)->route_rule_set_v4);

			if( get_client_memptr(wan_client, clnt_index)->route_rule_set_v4 == false ||
					get_client_memptr(wan_client, clnt_index)->ipv4_set == false)
			{
				continue;
			}

			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 skip\n",
							tx_index, tx_prop->tx[tx_index].ip, iptype);
					continue;
				}

				memset(rt_rule, 0, size);
				rt_rule->commit = 1;
				rt_rule->num_rules = NUM_RULES;
				rt_rule->ip = iptype;
				rt_rule_entry = &rt_rule->rules[0];

				IPACMDBG_H("client index(%d):ipv4 address: 0x%x\n", clnt_index,
						get_client_memptr(wan_client, clnt_index)->v4_addr);

				IPACMDBG_H("client(%d): v4 header handle:(0x%x)\n",
						clnt_index,
						get_client_memptr(wan_client, clnt_index)->hdr_hdl_v4);

				if (IPACM_Iface::ipacmcfg->isMCC_Mode == true)
				{
					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(wan_client, clnt_index)->hdr_hdl_v4;
				rt_rule_entry->rule.attrib.u.v4.dst_addr = get_client_memptr(wan_client, clnt_index)->v4_addr;
				rt_rule_entry->rule.attrib.u.v4.dst_addr_mask = 0xFFFFFFFF;

				/* copy ipv4 RT rule hdl */
				IPACMDBG_H("rt rule hdl=%x\n",
						get_client_memptr(wan_client, clnt_index)->wan_rt_hdl[tx_index].wan_rt_rule_hdl_v4);

				rt_rule_entry->rt_rule_hdl =
					get_client_memptr(wan_client, clnt_index)->wan_rt_hdl[tx_index].wan_rt_rule_hdl_v4;

				if (false == m_routing.ModifyRoutingRule(rt_rule))
				{
					IPACMERR("Routing rule modify failed!\n");
					free(rt_rule);
					return;
				}
			}
		}
		else
		{
			IPACMDBG_H("wan client index: %d, ip-type: %d, ipv6_set:%d, ipv6_rule_num:%d \n", clnt_index, iptype,
					get_client_memptr(wan_client, clnt_index)->ipv6_set,
					get_client_memptr(wan_client, clnt_index)->route_rule_set_v6);

			if( get_client_memptr(wan_client, clnt_index)->route_rule_set_v6 == 0)
			{
				continue;
			}

			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 skip\n",
							tx_index, tx_prop->tx[tx_index].ip, iptype);
					continue;
				}

				memset(rt_rule, 0, size);
				rt_rule->commit = 1;
				rt_rule->num_rules = NUM_RULES;
				rt_rule->ip = iptype;
				rt_rule_entry = &rt_rule->rules[0];

				/* Modify only rules in v6 WAN RT TBL*/
				for (v6_num = 0;
						v6_num < get_client_memptr(wan_client, clnt_index)->route_rule_set_v6;
						v6_num++)
				{
					IPACMDBG_H("client(%d): v6 header handle:(0x%x)\n",
							clnt_index,
							get_client_memptr(wan_client, clnt_index)->hdr_hdl_v6);

					/* Downlink traffic from Wan iface, directly through IPA */
					if (IPACM_Iface::ipacmcfg->isMCC_Mode == true)
					{
						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(wan_client, clnt_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(wan_client, clnt_index)->v6_addr[v6_num][0];
					rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = get_client_memptr(wan_client, clnt_index)->v6_addr[v6_num][1];
					rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = get_client_memptr(wan_client, clnt_index)->v6_addr[v6_num][2];
					rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = get_client_memptr(wan_client, clnt_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;

					IPACMDBG_H("rt rule hdl=%x\n",
							get_client_memptr(wan_client, clnt_index)->wan_rt_hdl[tx_index].wan_rt_rule_hdl_v6_wan[v6_num]);

					rt_rule_entry->rt_rule_hdl =
						get_client_memptr(wan_client, clnt_index)->wan_rt_hdl[tx_index].wan_rt_rule_hdl_v6_wan[v6_num];

					if (false == m_routing.ModifyRoutingRule(rt_rule))
					{
						IPACMERR("Routing rule Modify failed!\n");
						free(rt_rule);
						return;
					}
				}
			} /* end of for loop */
		}

	}

	free(rt_rule);
	return;
}

/*handle eth client */
int IPACM_Wan::handle_network_stats_update(ipa_get_apn_data_stats_resp_msg_v01 *data)
{
	FILE *fp = NULL;

	for (uint32_t apn_index =0; apn_index < data->apn_data_stats_list_len; apn_index++)
	{
		if(data->apn_data_stats_list[apn_index].mux_id == ext_prop->ext[0].mux_id)
		{
			IPACMDBG_H("Received IPA_TETHERING_STATS_UPDATE_NETWORK_STATS, MUX ID %d TX (P%llu/B%llu) RX (P%llu/B%llu)\n",
				data->apn_data_stats_list[apn_index].mux_id,
					(long long)data->apn_data_stats_list[apn_index].num_ul_packets,
						(long long)data->apn_data_stats_list[apn_index].num_ul_bytes,
							(long long)data->apn_data_stats_list[apn_index].num_dl_packets,
								(long long)data->apn_data_stats_list[apn_index].num_dl_bytes);
			fp = fopen(IPA_NETWORK_STATS_FILE_NAME, "w");
			if ( fp == NULL )
			{
				IPACMERR("Failed to write pipe stats to %s, error is %d - %s\n",
						IPA_NETWORK_STATS_FILE_NAME, errno, strerror(errno));
				return IPACM_FAILURE;
			}

			fprintf(fp, NETWORK_STATS,
				dev_name,
					(long long)data->apn_data_stats_list[apn_index].num_ul_packets,
						(long long)data->apn_data_stats_list[apn_index].num_ul_bytes,
							(long long)data->apn_data_stats_list[apn_index].num_dl_packets,
								(long long)data->apn_data_stats_list[apn_index].num_dl_bytes);
			fclose(fp);
			break;
		};
	}
	return IPACM_SUCCESS;
}

int IPACM_Wan::add_dummy_rx_hdr()
{

#define IFACE_INDEX_LEN 2
	char index[IFACE_INDEX_LEN];
	struct ipa_ioc_add_hdr *pHeaderDescriptor = NULL;
	int len = 0;
	struct ipa_ioc_copy_hdr sCopyHeader;
	struct ipa_hdr_add *ipv6_hdr;
	struct ethhdr *eth_ipv6;
	struct ipa_ioc_add_hdr_proc_ctx* pHeaderProcTable = NULL;
	uint32_t cnt;

	/* get netdev-mac */
	if(tx_prop != NULL)
	{
		/* 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");
									return IPACM_FAILURE;
								}

								IPACMDBG_H("header length: %d, paritial: %d\n", sCopyHeader.hdr_len, sCopyHeader.is_partial);
								IPACMDBG_H("header eth2_ofst_valid: %d, eth2_ofst: %d\n", sCopyHeader.is_eth2_ofst_valid, sCopyHeader.eth2_ofst);
								if (sCopyHeader.hdr_len > IPA_HDR_MAX_SIZE)
								{
									IPACMERR("header oversize\n");
									return IPACM_FAILURE;
								}
								else
								{
									/* copy client mac_addr to partial header */
									IPACMDBG_H("header eth2_ofst_valid: %d, eth2_ofst: %d\n",
											sCopyHeader.is_eth2_ofst_valid, sCopyHeader.eth2_ofst);
									/* only copy 6 bytes mac-address */
									if(sCopyHeader.is_eth2_ofst_valid == false)
									{
										memcpy(netdev_mac, &sCopyHeader.hdr[0+IPA_MAC_ADDR_SIZE],
												sizeof(netdev_mac));
									}
									else
									{
										memcpy(netdev_mac, &sCopyHeader.hdr[sCopyHeader.eth2_ofst+IPA_MAC_ADDR_SIZE],
												sizeof(netdev_mac));
									}
								}
					break;
				}
		}
	}

	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;
	}
	ipv6_hdr = &pHeaderDescriptor->hdr[0];
	/* copy ethernet type to header */
	eth_ipv6 = (struct ethhdr *) (ipv6_hdr->hdr +2);
	memcpy(eth_ipv6->h_dest, netdev_mac, ETH_ALEN);
	memcpy(eth_ipv6->h_source, ext_router_mac_addr, ETH_ALEN);
	eth_ipv6->h_proto = htons(ETH_P_IPV6);
	pHeaderDescriptor->commit = true;
	pHeaderDescriptor->num_hdrs = 1;

	memset(ipv6_hdr->name, 0,
			 sizeof(pHeaderDescriptor->hdr[0].name));

	snprintf(index,sizeof(index), "%d", ipa_if_num);
	strlcpy(ipv6_hdr->name, index, sizeof(ipv6_hdr->name));
	ipv6_hdr->name[IPA_RESOURCE_NAME_MAX-1] = '\0';

	if (strlcat(ipv6_hdr->name, IPA_DUMMY_ETH_HDR_NAME_v6, sizeof(ipv6_hdr->name)) > IPA_RESOURCE_NAME_MAX)
	{
		IPACMERR(" header name construction failed exceed length (%zu)\n", strlen(ipv6_hdr->name));
		return IPACM_FAILURE;
	}

	ipv6_hdr->hdr_len = ETH_HLEN + 2;
	ipv6_hdr->hdr_hdl = -1;
	ipv6_hdr->is_partial = 0;
	ipv6_hdr->status = -1;
	ipv6_hdr->type = IPA_HDR_L2_ETHERNET_II;

	if (m_header.AddHeader(pHeaderDescriptor) == false ||
			ipv6_hdr->status != 0)
	{
		IPACMERR("ioctl IPA_IOC_ADD_HDR failed: %d\n", ipv6_hdr->status);
		return IPACM_FAILURE;
	}

	hdr_hdl_dummy_v6 = ipv6_hdr->hdr_hdl;
	IPACMDBG_H("dummy v6 full header name:%s header handle:(0x%x)\n",
								 ipv6_hdr->name,
								 hdr_hdl_dummy_v6);
	/* add dummy hdr_proc_hdl */
	len = sizeof(struct ipa_ioc_add_hdr_proc_ctx) + sizeof(struct ipa_hdr_proc_ctx_add);
	pHeaderProcTable = (ipa_ioc_add_hdr_proc_ctx*)malloc(len);
	if(pHeaderProcTable == NULL)
	{
		IPACMERR("Cannot allocate header processing table.\n");
		return IPACM_FAILURE;
	}

	memset(pHeaderProcTable, 0, len);
	pHeaderProcTable->commit = 1;
	pHeaderProcTable->num_proc_ctxs = 1;
	pHeaderProcTable->proc_ctx[0].hdr_hdl = hdr_hdl_dummy_v6;
	if (m_header.AddHeaderProcCtx(pHeaderProcTable) == false)
	{
		IPACMERR("Adding dummy hhdr_proc_hdl failed with status: %d\n", pHeaderProcTable->proc_ctx[0].status);
		return IPACM_FAILURE;
	}
	else
	{
		hdr_proc_hdl_dummy_v6 = pHeaderProcTable->proc_ctx[0].proc_ctx_hdl;
		IPACMDBG_H("dummy hhdr_proc_hdl is added successfully. (0x%x)\n", hdr_proc_hdl_dummy_v6);
	}
	return IPACM_SUCCESS;
}

int IPACM_Wan::handle_coalesce_evt()
{
	struct ipa_ioc_add_rt_rule *rt_rule = NULL;
	struct ipa_rt_rule_add *rt_rule_entry;
	const int NUM_RULES = 1;
	int res = IPACM_SUCCESS;
	struct ipa_ioc_get_hdr hdr;
	uint32_t i;

	if(wan_v4_addr_set)
	{
		/* Delete default RSC v4 RT rule */
		if (m_routing.DeleteRoutingHdl(dft_coalesce_rt_rule_hdl[0], IPA_IP_v4) == false)
		{
			IPACMERR("Routing old RSC TCP RT rule deletion failed!\n");
			return  IPACM_FAILURE;
		}
		if (m_routing.DeleteRoutingHdl(dft_coalesce_rt_rule_hdl[1], IPA_IP_v4) == false)
		{
			IPACMERR("Routing old RSB UDP RT rule deletion failed!\n");
			return  IPACM_FAILURE;
		}
		/* Delete default v4 RT rule */
		IPACMDBG_H("Delete default v4 routing rules\n");
		if (m_routing.DeleteRoutingHdl(dft_rt_rule_hdl[0], IPA_IP_v4) == false)
		{
			IPACMERR("Routing old RT rule deletion failed!\n");
			return  IPACM_FAILURE;
		}

		/* apply the new coalesce configuration */
		rt_rule = (struct ipa_ioc_add_rt_rule *)
			 calloc(1, sizeof(struct ipa_ioc_add_rt_rule) +
							NUM_RULES * sizeof(struct ipa_rt_rule_add));
		if (!rt_rule)
		{
			IPACMERR("Error Locate ipa_ioc_add_rt_rule memory...\n");
			return IPACM_FAILURE;
		}
		rt_rule->commit = 1;
		rt_rule->num_rules = NUM_RULES;
		rt_rule->ip = IPA_IP_v4;
		rt_rule_entry = &rt_rule->rules[0];
		rt_rule_entry->at_rear = false;
		rt_rule_entry->rule.attrib.attrib_mask = IPA_FLT_DST_ADDR;
		/* still need setup v4 default routing rule to APPs*/
		strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_lan_v4.name, sizeof(rt_rule->rt_tbl_name));
		rt_rule_entry->rule.attrib.u.v4.dst_addr = wan_v4_addr;
		rt_rule_entry->rule.attrib.u.v4.dst_addr_mask = 0xFFFFFFFF;
#ifdef FEATURE_IPA_V3
		rt_rule_entry->rule.hashable = false;
#endif
		/* query qmap header*/
		memset(&hdr, 0, sizeof(hdr));
		strlcpy(hdr.name, tx_prop->tx[0].hdr_name, sizeof(hdr.name));
		hdr.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
		if(m_header.GetHeaderHandle(&hdr) == false)
		{
			IPACMERR("Failed to get QMAP header.\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		rt_rule_entry->rule.hdr_hdl = hdr.hdl;
		rt_rule_entry->rule.dst = IPA_CLIENT_APPS_WAN_CONS;
		/*  default v4 rt-rule */
#ifdef IPA_RT_SUPPORT_COAL
			rt_rule_entry->rule.coalesce = false;
#endif
		/* default v4 rt-rule */
		if (false == m_routing.AddRoutingRule(rt_rule))
		{
			IPACMERR("Routing rule addition failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		else if (rt_rule_entry->status)
		{
			IPACMERR("rt rule adding failed. Result=%d\n", rt_rule_entry->status);
			res = rt_rule_entry->status;
			goto fail;
		}
		dft_rt_rule_hdl[0] = rt_rule_entry->rt_rule_hdl;
		IPACMDBG_H("ipv4 wan iface rt-rule hdll=0x%x\n", dft_rt_rule_hdl[0]);

		/* RSC TCP rule*/
		rt_rule_entry->rule.attrib.attrib_mask |= IPA_FLT_PROTOCOL;
		rt_rule_entry->rule.attrib.u.v4.protocol = (uint8_t)IPACM_FIREWALL_IPPROTO_TCP;
#ifdef IPA_RT_SUPPORT_COAL
		if (IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_tcp_enable)
			rt_rule_entry->rule.coalesce = true;
		else
			rt_rule_entry->rule.coalesce = false;
#endif
		if (false == m_routing.AddRoutingRule(rt_rule))
		{
			IPACMERR("Routing rule addition failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		else if (rt_rule_entry->status)
		{
			IPACMERR("rsc tcp rt rule adding failed. Result=%d\n", rt_rule_entry->status);
			res = rt_rule_entry->status;
			goto fail;
		}
		dft_coalesce_rt_rule_hdl[0] = rt_rule_entry->rt_rule_hdl;
		IPACMDBG_H("ipv4 wan iface rsc tcp rt-rule hdll=0x%x\n enable(%d)", dft_coalesce_rt_rule_hdl[0],
			IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_tcp_enable);

		/* RSB UDP rule*/
		rt_rule_entry->rule.attrib.u.v4.protocol = (uint8_t)IPACM_FIREWALL_IPPROTO_UDP;
#ifdef IPA_RT_SUPPORT_COAL
		if (IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_tcp_enable)
			rt_rule_entry->rule.coalesce = true;
		else
			rt_rule_entry->rule.coalesce = false;
#endif
		if (false == m_routing.AddRoutingRule(rt_rule))
		{
			IPACMERR("Routing rule addition failed!\n");
			res = IPACM_FAILURE;
			goto fail;
		}
		else if (rt_rule_entry->status)
		{
			IPACMERR("rsb udp rt rule adding failed. Result=%d\n", rt_rule_entry->status);
			res = rt_rule_entry->status;
			goto fail;
		}
		dft_coalesce_rt_rule_hdl[1] = rt_rule_entry->rt_rule_hdl;
		IPACMDBG_H("ipv4 wan iface rsb udp rt-rule hdll=0x%x enable(%d)\n", dft_coalesce_rt_rule_hdl[1],
			IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_udp_enable);
fail:
	free(rt_rule);
	}
	/* v6 */
	if (num_dft_rt_v6 !=0)
	{
		for (i = 0; i < 2*num_dft_rt_v6; i++)
		{
			/* delete v6 colasce rules */
			if (m_routing.DeleteRoutingHdl(dft_coalesce_rt_rule_hdl[2*MAX_DEFAULT_v4_ROUTE_RULES+i], IPA_IP_v6) == false)
			{
				IPACMERR("Colasce Routing rule deletion failed!\n");
				return  IPACM_FAILURE;
			}
			/* delete v6 default rules */
			if (m_routing.DeleteRoutingHdl(dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES+i], IPA_IP_v6) == false)
			{
				IPACMERR("Routing rule deletion failed!\n");
				return  IPACM_FAILURE;
			}
		}

		rt_rule = (struct ipa_ioc_add_rt_rule *)
			calloc(1, sizeof(struct ipa_ioc_add_rt_rule) +
				NUM_RULES * sizeof(struct ipa_rt_rule_add));
		if (!rt_rule)
		{
			IPACMERR("Error Locate ipa_ioc_add_rt_rule memory...\n");
			return IPACM_FAILURE;
		}
		rt_rule->commit = 1;
		rt_rule->num_rules = NUM_RULES;
		rt_rule->ip = IPA_IP_v6;

		for (i = 0; i < num_dft_rt_v6; i++)
		{
			/* setup same rule for v6_wan table */
			strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_v6.name, sizeof(rt_rule->rt_tbl_name));
			rt_rule_entry = &rt_rule->rules[0];
			rt_rule_entry->at_rear = false;
			rt_rule_entry->rule.attrib.attrib_mask = IPA_FLT_DST_ADDR;
			rt_rule_entry->rule.attrib.u.v6.dst_addr[0] = ipv6_addr[num_dft_rt_v6][0];
			rt_rule_entry->rule.attrib.u.v6.dst_addr[1] = ipv6_addr[num_dft_rt_v6][1];
			rt_rule_entry->rule.attrib.u.v6.dst_addr[2] = ipv6_addr[num_dft_rt_v6][2];
			rt_rule_entry->rule.attrib.u.v6.dst_addr[3] = ipv6_addr[num_dft_rt_v6][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 = false;
#endif
			strlcpy(hdr.name, tx_prop->tx[0].hdr_name, sizeof(hdr.name));
			hdr.name[IPA_RESOURCE_NAME_MAX-1] = '\0';
			if(m_header.GetHeaderHandle(&hdr) == false)
			{
				IPACMERR("Failed to get QMAP header.\n");
				return IPACM_FAILURE;
			}
			rt_rule_entry->rule.hdr_hdl = hdr.hdl;
			rt_rule_entry->rule.dst = IPA_CLIENT_APPS_WAN_CONS;
			/* legacy default v4 rt-rule */
#ifdef IPA_RT_SUPPORT_COAL
			rt_rule_entry->rule.coalesce = false;
#endif
			/* legacy default v6 rt-rule */
			if (false == m_routing.AddRoutingRule(rt_rule))
			{
				IPACMERR("Routing rule addition failed!\n");
				res = IPACM_FAILURE;
				goto fail2;
			}
			else if (rt_rule_entry->status)
			{
				IPACMERR("rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				res = rt_rule_entry->status;
				goto fail2;
			}
			dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*i] = rt_rule_entry->rt_rule_hdl;

			/* setup same rule for v6_lan table*/
			strlcpy(rt_rule->rt_tbl_name, IPACM_Iface::ipacmcfg->rt_tbl_wan_v6.name, sizeof(rt_rule->rt_tbl_name));
			if (false == m_routing.AddRoutingRule(rt_rule))
			{
				IPACMERR("Routing rule addition failed!\n");
				res = IPACM_FAILURE;
				goto fail2;
			}
			else if (rt_rule_entry->status)
			{
				IPACMERR("rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				res = rt_rule_entry->status;
				goto fail2;
			}
			dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*i+1] = rt_rule_entry->rt_rule_hdl;
			IPACMDBG_H("ipv6 wan iface rt-rule hdl=0x%x hdl=0x%x, entry: %d %d\n",
				dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*i],
				dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES + 2*i+1],
				MAX_DEFAULT_v4_ROUTE_RULES + 2*i,
				MAX_DEFAULT_v4_ROUTE_RULES + 2*i+1);
			/* RSC TCP rule*/
			rt_rule_entry->rule.attrib.attrib_mask |= IPA_FLT_NEXT_HDR;
			rt_rule_entry->rule.attrib.u.v6.next_hdr = (uint8_t)IPACM_FIREWALL_IPPROTO_TCP;
#ifdef IPA_RT_SUPPORT_COAL
			if (IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_tcp_enable)
				rt_rule_entry->rule.coalesce = true;
			else
				rt_rule_entry->rule.coalesce = false;
#endif
			if (false == m_routing.AddRoutingRule(rt_rule))
			{
				IPACMERR("Routing rule addition failed!\n");
				res = IPACM_FAILURE;
				goto fail2;
			}
			else if (rt_rule_entry->status)
			{
				IPACMERR("rsc tcp rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				res = rt_rule_entry->status;
				goto fail2;
			}
			dft_coalesce_rt_rule_hdl[2*MAX_DEFAULT_v4_ROUTE_RULES + 2*i] = rt_rule_entry->rt_rule_hdl;
			IPACMDBG_H("ipv6 wan iface rsc tcp rt-rule hdll=0x%x\n enable(%d)", dft_coalesce_rt_rule_hdl[2*MAX_DEFAULT_v4_ROUTE_RULES + 2*i],
				IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_tcp_enable);
			/* RSB UDP rule*/
			rt_rule_entry->rule.attrib.u.v6.next_hdr = (uint8_t)IPACM_FIREWALL_IPPROTO_UDP;
#ifdef IPA_RT_SUPPORT_COAL
			if (IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_udp_enable)
				rt_rule_entry->rule.coalesce = true;
			else
				rt_rule_entry->rule.coalesce = false;
#endif
			if (false == m_routing.AddRoutingRule(rt_rule))
			{
				IPACMERR("Routing rule addition failed!\n");
				res = IPACM_FAILURE;
				goto fail2;
			}
			else if (rt_rule_entry->status)
			{
				IPACMERR("rsb udp rt rule adding failed. Result=%d\n", rt_rule_entry->status);
				res = rt_rule_entry->status;
				goto fail2;
			}
			dft_coalesce_rt_rule_hdl[2*MAX_DEFAULT_v4_ROUTE_RULES + 2*i+1] = rt_rule_entry->rt_rule_hdl;
			IPACMDBG_H("ipv6 wan iface rsb udp rt-rule hdll=0x%x\n enable(%d)", dft_coalesce_rt_rule_hdl[2*MAX_DEFAULT_v4_ROUTE_RULES + 2*i+1],
				IPACM_Wan::coalesce_enable_info[ext_prop->ext[0].mux_id].coalesce_udp_enable);
		}
fail2:
	free(rt_rule);
	}
	return res;
}

int IPACM_Wan::add_offload_frag_rule()
{
	int fd;
	int len, res = IPACM_SUCCESS;
	uint8_t mux_id;
	ipa_ioc_add_flt_rule *pFilteringTable = NULL;

	mux_id = ext_prop->ext[0].mux_id;
	/* contruct filter rules to pcie modem */
	struct ipa_flt_rule_add flt_rule_entry;
	ipa_ioc_generate_flt_eq flt_eq;

	/* construct rule */
	IPACMDBG_H("adding MHi frag rule\n");
	len = sizeof(struct ipa_ioc_add_flt_rule) + sizeof(struct ipa_flt_rule_add);
	pFilteringTable = (struct ipa_ioc_add_flt_rule*)malloc(len);
	if (pFilteringTable == NULL)
	{
		IPACMERR("Error Locate ipa_flt_rule_add memory...\n");
		return IPACM_FAILURE;
	}
	memset(pFilteringTable, 0, len);

	pFilteringTable->commit = 1;
	pFilteringTable->global = false;
	pFilteringTable->ip = IPA_IP_v4;
	pFilteringTable->num_rules = (uint8_t)1;

	/* Configuring Fragment Filtering Rule */
	memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_add));
	flt_rule_entry.at_rear = false;
	flt_rule_entry.flt_rule_hdl = -1;
	flt_rule_entry.status = -1;

	flt_rule_entry.rule.retain_hdr = 1;
	flt_rule_entry.rule.to_uc = 0;
	flt_rule_entry.rule.eq_attrib_type = 1;
	flt_rule_entry.rule.action = IPA_PASS_TO_EXCEPTION;
#ifdef FEATURE_IPA_V3
	flt_rule_entry.rule.hashable = true;
#endif
	IPACMDBG_H("rx property attrib mask:0x%x\n", rx_prop->rx[0].attrib.attrib_mask);
	memcpy(&flt_rule_entry.rule.attrib,
				&rx_prop->rx[0].attrib,
				sizeof(flt_rule_entry.rule.attrib));

	flt_rule_entry.rule.attrib.attrib_mask |= IPA_FLT_FRAGMENT;

	/* generate eq */
	memset(&flt_eq, 0, sizeof(flt_eq));
	memcpy(&flt_eq.attrib, &flt_rule_entry.rule.attrib, sizeof(flt_eq.attrib));
	flt_eq.ip = IPA_IP_v4;

	fd = open(IPA_DEVICE_NAME, O_RDWR);
	if (fd < 0)
	{
		IPACMERR("Failed opening %s.\n", IPA_DEVICE_NAME);
		free(pFilteringTable);
		return IPACM_FAILURE;
	}

	if(0 != ioctl(fd, IPA_IOC_GENERATE_FLT_EQ, &flt_eq)) //define and cpy attribute to this struct
	{
		IPACMERR("Failed to get eq_attrib\n");
		goto fail;
	}
	memcpy(&flt_rule_entry.rule.eq_attrib,
		&flt_eq.eq_attrib,
		sizeof(flt_rule_entry.rule.eq_attrib));
	memcpy(&(pFilteringTable->rules[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_add));

	/* add rule */
	if(false == m_filtering.AddOffloadFilteringRule(pFilteringTable, mux_id, 1))
	{
		IPACMERR("Failed to install WAN DL filtering table.\n");
		res = IPACM_FAILURE;
		goto fail;
	}

	/* save handle */
	mhi_dl_v4_frag_hdl = pFilteringTable->rules[0].flt_rule_hdl;

fail:
	close(fd);
	if(pFilteringTable != NULL)
	{
		free(pFilteringTable);
	}
	return res;
}

int IPACM_Wan::delete_offload_frag_rule()
{
	int len, res = true;
	ipa_ioc_del_flt_rule *pFilteringTable = NULL;

	struct ipa_flt_rule_del flt_rule_entry;

	IPACMDBG_H("deleting MHI frag rule \n");
	len = sizeof(struct ipa_ioc_del_flt_rule) + sizeof(struct ipa_flt_rule_del);
	pFilteringTable = (struct ipa_ioc_del_flt_rule*)malloc(len);
	if (pFilteringTable == NULL)
	{
		IPACMERR("Error Locate ipa_ioc_del_flt_rule memory...\n");
		return false;
	}
	memset(pFilteringTable, 0, len);

	pFilteringTable->commit = 1;
	pFilteringTable->ip = IPA_IP_v4;
	pFilteringTable->num_hdls = (uint8_t)1;

	if (mhi_dl_v4_frag_hdl == 0)
	{
		IPACMERR("invalid dl_v4_frag_hdl.\n");
		res = false;
		goto fail;
	}

	/* Configuring Software-Routing Filtering Rule */
	memset(&flt_rule_entry, 0, sizeof(struct ipa_flt_rule_del));
	flt_rule_entry.hdl = mhi_dl_v4_frag_hdl;

	memcpy(&(pFilteringTable->hdl[0]), &flt_rule_entry, sizeof(struct ipa_flt_rule_del));

	if(false == m_filtering.DelOffloadFilteringRule(pFilteringTable))
	{
		IPACMERR("Failed to delete DL offload frag rule.\n");
		res = false;
		goto fail;
	}
	mhi_dl_v4_frag_hdl = 0;

fail:
	if(pFilteringTable != NULL)
	{
		free(pFilteringTable);
	}
	return res;
}