ipacm/src/IPACM_Config.cpp

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

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modification, are permitted provided that the following conditions are
met:
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						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.
				* Neither the name of The Linux Foundation nor the names of its
						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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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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*/
/*!
		@file
		IPACM_Config.cpp

		@brief
		This file implements the IPACM Configuration from XML file

		@Author
		Skylar Chang

*/
#include <IPACM_Config.h>
#include <IPACM_Log.h>
#include <IPACM_Iface.h>
#include <sys/ioctl.h>
#include <fcntl.h>

IPACM_Config *IPACM_Config::pInstance = NULL;
const char *IPACM_Config::DEVICE_NAME = "/dev/ipa";
const char *IPACM_Config::DEVICE_NAME_ODU = "/dev/odu_ipa_bridge";

IPACM_Config::IPACM_Config()
{
	iface_table = NULL;
	alg_table = NULL;
	memset(&ipa_client_rm_map_tbl, 0, sizeof(ipa_client_rm_map_tbl));
	memset(&ipa_rm_tbl, 0, sizeof(ipa_rm_tbl));
	ipa_rm_a2_check=0;
	ipacm_odu_enable = false;
	ipacm_odu_router_mode = false;
	ipa_num_wlan_guest_ap = 0;

	ipa_num_ipa_interfaces = 0;
	ipa_num_private_subnet = 0;
	ipa_num_alg_ports = 0;
	ipa_nat_max_entries = 0;
	ipa_nat_iface_entries = 0;
	ipa_sw_rt_enable = false;
	ipa_bridge_enable = false;
	isMCC_Mode = false;
	ipa_max_valid_rm_entry = 0;

	memset(&rt_tbl_default_v4, 0, sizeof(rt_tbl_default_v4));
	memset(&rt_tbl_lan_v4, 0, sizeof(rt_tbl_lan_v4));
	memset(&rt_tbl_wan_v4, 0, sizeof(rt_tbl_wan_v4));
	memset(&rt_tbl_v6, 0, sizeof(rt_tbl_v6));
	memset(&rt_tbl_wan_v6, 0, sizeof(rt_tbl_wan_v6));
	memset(&rt_tbl_wan_dl, 0, sizeof(rt_tbl_wan_dl));
	memset(&rt_tbl_odu_v4, 0, sizeof(rt_tbl_odu_v4));
	memset(&rt_tbl_odu_v6, 0, sizeof(rt_tbl_odu_v6));

	memset(&ext_prop_v4, 0, sizeof(ext_prop_v4));
	memset(&ext_prop_v6, 0, sizeof(ext_prop_v6));

	memset(&rt_tbl_eth_bridge_lan_wlan_v4, 0, sizeof(rt_tbl_eth_bridge_lan_wlan_v4));
	memset(&rt_tbl_eth_bridge_wlan_wlan_v4, 0, sizeof(rt_tbl_eth_bridge_wlan_wlan_v4));
	memset(&rt_tbl_eth_bridge_lan_wlan_v6, 0, sizeof(rt_tbl_eth_bridge_lan_wlan_v6));
	memset(&rt_tbl_eth_bridge_wlan_wlan_v6, 0, sizeof(rt_tbl_eth_bridge_wlan_wlan_v6));

	qmap_id = ~0;

	memset(flt_rule_count_v4, 0, (IPA_CLIENT_CONS - IPA_CLIENT_PROD)*sizeof(int));
	memset(flt_rule_count_v6, 0, (IPA_CLIENT_CONS - IPA_CLIENT_PROD)*sizeof(int));
	memset(bridge_mac, 0, IPA_MAC_ADDR_SIZE*sizeof(uint8_t));

	IPACMDBG_H(" create IPACM_Config constructor\n");
	return;
}

int IPACM_Config::Init(void)
{
	/* Read IPACM Config file */
	char	IPACM_config_file[IPA_MAX_FILE_LEN];
	IPACM_conf_t	*cfg;
	cfg = (IPACM_conf_t *)malloc(sizeof(IPACM_conf_t));
	if(cfg == NULL)
	{
		IPACMERR("Unable to allocate cfg memory.\n");
		return IPACM_FAILURE;
	}
	uint32_t subnet_addr;
	uint32_t subnet_mask;
	int i, ret = IPACM_SUCCESS;
	struct in_addr in_addr_print;

	m_fd = open(DEVICE_NAME, O_RDWR);
	if (0 > m_fd)
	{
		IPACMERR("Failed opening %s.\n", DEVICE_NAME);
	}
	strncpy(IPACM_config_file, "/etc/IPACM_cfg.xml", sizeof(IPACM_config_file));

	IPACMDBG_H("\n IPACM XML file is %s \n", IPACM_config_file);
	if (IPACM_SUCCESS == ipacm_read_cfg_xml(IPACM_config_file, cfg))
	{
		IPACMDBG_H("\n IPACM XML read OK \n");
	}
	else
	{
		IPACMERR("\n IPACM XML read failed \n");
		ret = IPACM_FAILURE;
		goto fail;
	}

	/* Check wlan AP-AP access mode configuration */
	if (cfg->num_wlan_guest_ap == 2)
	{
		IPACMDBG_H("IPACM_Config::Both wlan APs can not be configured in guest ap mode. \n");
		IPACMDBG_H("IPACM_Config::configure both APs in full access mode or at least one in guest ap mode. \n");
		ret = IPACM_FAILURE;
		goto fail;
	}
	/* Construct IPACM Iface table */
	ipa_num_ipa_interfaces = cfg->iface_config.num_iface_entries;
	if (iface_table != NULL)
	{
		free(iface_table);
		iface_table = NULL;
		IPACMDBG_H("RESET IPACM_Config::iface_table\n");
	}
	iface_table = (ipa_ifi_dev_name_t *)calloc(ipa_num_ipa_interfaces,
					sizeof(ipa_ifi_dev_name_t));
	if(iface_table == NULL)
	{
		IPACMERR("Unable to allocate iface_table memory.\n");
		ret = IPACM_FAILURE;
		goto fail;
	}

	for (i = 0; i < cfg->iface_config.num_iface_entries; i++)
	{
		strncpy(iface_table[i].iface_name, cfg->iface_config.iface_entries[i].iface_name, sizeof(iface_table[i].iface_name));
		iface_table[i].if_cat = cfg->iface_config.iface_entries[i].if_cat;
		iface_table[i].if_mode = cfg->iface_config.iface_entries[i].if_mode;
		iface_table[i].wlan_mode = cfg->iface_config.iface_entries[i].wlan_mode;
		IPACMDBG_H("IPACM_Config::iface_table[%d] = %s, cat=%d, mode=%d wlan-mode=%d \n", i, iface_table[i].iface_name,
				iface_table[i].if_cat, iface_table[i].if_mode, iface_table[i].wlan_mode);
		/* copy bridge interface name to ipacmcfg */
		if( iface_table[i].if_cat == VIRTUAL_IF)
		{
			memcpy(ipa_virtual_iface_name, iface_table[i].iface_name, sizeof(ipa_virtual_iface_name));
			IPACMDBG_H("ipa_virtual_iface_name(%s) \n", ipa_virtual_iface_name);
		}
	}

	/* Construct IPACM Private_Subnet table */
	memset(&private_subnet_table, 0, sizeof(private_subnet_table));
	ipa_num_private_subnet = cfg->private_subnet_config.num_subnet_entries;

	for (i = 0; i < cfg->private_subnet_config.num_subnet_entries; i++)
	{
		memcpy(&private_subnet_table[i].subnet_addr,
					 &cfg->private_subnet_config.private_subnet_entries[i].subnet_addr,
					 sizeof(cfg->private_subnet_config.private_subnet_entries[i].subnet_addr));

		memcpy(&private_subnet_table[i].subnet_mask,
					 &cfg->private_subnet_config.private_subnet_entries[i].subnet_mask,
					 sizeof(cfg->private_subnet_config.private_subnet_entries[i].subnet_mask));

		subnet_addr = htonl(private_subnet_table[i].subnet_addr);
		memcpy(&in_addr_print,&subnet_addr,sizeof(in_addr_print));
		IPACMDBG_H("%dst::private_subnet_table= %s \n ", i,
						 inet_ntoa(in_addr_print));

		subnet_mask =  htonl(private_subnet_table[i].subnet_mask);
		memcpy(&in_addr_print,&subnet_mask,sizeof(in_addr_print));
		IPACMDBG_H("%dst::private_subnet_table= %s \n ", i,
						 inet_ntoa(in_addr_print));
	}

	/* Construct IPACM ALG table */
	ipa_num_alg_ports = cfg->alg_config.num_alg_entries;
	if (alg_table != NULL)
	{
		free(alg_table);
		alg_table = NULL;
		IPACMDBG_H("RESET IPACM_Config::alg_table \n");
	}
	alg_table = (ipacm_alg *)calloc(ipa_num_alg_ports,
				sizeof(ipacm_alg));
	if(alg_table == NULL)
	{
		IPACMERR("Unable to allocate alg_table memory.\n");
		ret = IPACM_FAILURE;
		free(iface_table);
		goto fail;;
	}
	for (i = 0; i < cfg->alg_config.num_alg_entries; i++)
	{
		alg_table[i].protocol = cfg->alg_config.alg_entries[i].protocol;
		alg_table[i].port = cfg->alg_config.alg_entries[i].port;
		IPACMDBG_H("IPACM_Config::ipacm_alg[%d] = %d, port=%d\n", i, alg_table[i].protocol, alg_table[i].port);
	}

	ipa_nat_max_entries = cfg->nat_max_entries;
	IPACMDBG_H("Nat Maximum Entries %d\n", ipa_nat_max_entries);

	/* Find ODU is either router mode or bridge mode*/
	ipacm_odu_enable = cfg->odu_enable;
	ipacm_odu_router_mode = cfg->router_mode_enable;
	ipacm_odu_embms_enable = cfg->odu_embms_enable;
	IPACMDBG_H("ipacm_odu_enable %d\n", ipacm_odu_enable);
	IPACMDBG_H("ipacm_odu_mode %d\n", ipacm_odu_router_mode);
	IPACMDBG_H("ipacm_odu_embms_enable %d\n", ipacm_odu_embms_enable);
	ipa_num_wlan_guest_ap = cfg->num_wlan_guest_ap;
	IPACMDBG_H("ipa_num_wlan_guest_ap %d\n",ipa_num_wlan_guest_ap);

	/* Allocate more non-nat entries if the monitored iface dun have Tx/Rx properties */
	if (pNatIfaces != NULL)
	{
		free(pNatIfaces);
		pNatIfaces = NULL;
		IPACMDBG_H("RESET IPACM_Config::pNatIfaces \n");
	}
	ipa_nat_iface_entries = 0;
	pNatIfaces = (NatIfaces *)calloc(ipa_num_ipa_interfaces, sizeof(NatIfaces));
	if (pNatIfaces == NULL)
	{
		IPACMERR("unable to allocate nat ifaces\n");
		ret = IPACM_FAILURE;
		free(iface_table);
		free(alg_table);
		goto fail;
	}

	/* Construct the routing table ictol name in iface static member*/
	rt_tbl_default_v4.ip = IPA_IP_v4;
	strncpy(rt_tbl_default_v4.name, V4_DEFAULT_ROUTE_TABLE_NAME, sizeof(rt_tbl_default_v4.name));

	rt_tbl_lan_v4.ip = IPA_IP_v4;
	strncpy(rt_tbl_lan_v4.name, V4_LAN_ROUTE_TABLE_NAME, sizeof(rt_tbl_lan_v4.name));

	rt_tbl_wan_v4.ip = IPA_IP_v4;
	strncpy(rt_tbl_wan_v4.name, V4_WAN_ROUTE_TABLE_NAME, sizeof(rt_tbl_wan_v4.name));

	rt_tbl_v6.ip = IPA_IP_v6;
	strncpy(rt_tbl_v6.name, V6_COMMON_ROUTE_TABLE_NAME, sizeof(rt_tbl_v6.name));

	rt_tbl_wan_v6.ip = IPA_IP_v6;
	strncpy(rt_tbl_wan_v6.name, V6_WAN_ROUTE_TABLE_NAME, sizeof(rt_tbl_wan_v6.name));

	rt_tbl_odu_v4.ip = IPA_IP_v4;
	strncpy(rt_tbl_odu_v4.name, V4_ODU_ROUTE_TABLE_NAME, sizeof(rt_tbl_odu_v4.name));

	rt_tbl_odu_v6.ip = IPA_IP_v6;
	strncpy(rt_tbl_odu_v6.name, V6_ODU_ROUTE_TABLE_NAME, sizeof(rt_tbl_odu_v6.name));

	rt_tbl_wan_dl.ip = IPA_IP_MAX;
	strncpy(rt_tbl_wan_dl.name, WAN_DL_ROUTE_TABLE_NAME, sizeof(rt_tbl_wan_dl.name));

	rt_tbl_lan2lan_v4.ip = IPA_IP_v4;
	strncpy(rt_tbl_lan2lan_v4.name, V4_LAN_TO_LAN_ROUTE_TABLE_NAME, sizeof(rt_tbl_lan2lan_v4.name));

	rt_tbl_lan2lan_v6.ip = IPA_IP_v6;
	strncpy(rt_tbl_lan2lan_v6.name, V6_LAN_TO_LAN_ROUTE_TABLE_NAME, sizeof(rt_tbl_lan2lan_v6.name));

	rt_tbl_eth_bridge_lan_lan_v4.ip = IPA_IP_v4;
	strncpy(rt_tbl_eth_bridge_lan_lan_v4.name, ETH_BRIDGE_USB_CPE_ROUTE_TABLE_NAME_V4, sizeof(rt_tbl_eth_bridge_lan_lan_v4.name));

	rt_tbl_eth_bridge_lan_wlan_v4.ip = IPA_IP_v4;
	strncpy(rt_tbl_eth_bridge_lan_wlan_v4.name, ETH_BRIDGE_USB_WLAN_ROUTE_TABLE_NAME_V4, sizeof(rt_tbl_eth_bridge_lan_wlan_v4.name));

	rt_tbl_eth_bridge_wlan_wlan_v4.ip = IPA_IP_v4;
	strncpy(rt_tbl_eth_bridge_wlan_wlan_v4.name, ETH_BRIDGE_WLAN_WLAN_ROUTE_TABLE_NAME_V4, sizeof(rt_tbl_eth_bridge_wlan_wlan_v4.name));

	rt_tbl_eth_bridge_lan_lan_v6.ip = IPA_IP_v6;
	strncpy(rt_tbl_eth_bridge_lan_lan_v6.name, ETH_BRIDGE_USB_CPE_ROUTE_TABLE_NAME_V6, sizeof(rt_tbl_eth_bridge_lan_lan_v6.name));

	rt_tbl_eth_bridge_lan_wlan_v6.ip = IPA_IP_v6;
	strncpy(rt_tbl_eth_bridge_lan_wlan_v6.name, ETH_BRIDGE_USB_WLAN_ROUTE_TABLE_NAME_V6, sizeof(rt_tbl_eth_bridge_lan_wlan_v6.name));

	rt_tbl_eth_bridge_wlan_wlan_v6.ip = IPA_IP_v6;
	strncpy(rt_tbl_eth_bridge_wlan_wlan_v6.name, ETH_BRIDGE_WLAN_WLAN_ROUTE_TABLE_NAME_V6, sizeof(rt_tbl_eth_bridge_wlan_wlan_v6.name));

	/* Construct IPACM ipa_client map to rm_resource table */
	ipa_client_rm_map_tbl[IPA_CLIENT_WLAN1_PROD]= IPA_RM_RESOURCE_WLAN_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_USB_PROD]= IPA_RM_RESOURCE_USB_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_A5_WLAN_AMPDU_PROD]= IPA_RM_RESOURCE_HSIC_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_A2_EMBEDDED_PROD]= IPA_RM_RESOURCE_Q6_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_A2_TETHERED_PROD]= IPA_RM_RESOURCE_Q6_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_APPS_LAN_WAN_PROD]= IPA_RM_RESOURCE_Q6_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_WLAN1_CONS]= IPA_RM_RESOURCE_WLAN_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_WLAN2_CONS]= IPA_RM_RESOURCE_WLAN_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_WLAN3_CONS]= IPA_RM_RESOURCE_WLAN_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_WLAN4_CONS]= IPA_RM_RESOURCE_WLAN_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_USB_CONS]= IPA_RM_RESOURCE_USB_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_A2_EMBEDDED_CONS]= IPA_RM_RESOURCE_Q6_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_A2_TETHERED_CONS]= IPA_RM_RESOURCE_Q6_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_APPS_WAN_CONS]= IPA_RM_RESOURCE_Q6_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_ODU_PROD]= IPA_RM_RESOURCE_ODU_ADAPT_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_ODU_EMB_CONS]= IPA_RM_RESOURCE_ODU_ADAPT_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_ODU_TETH_CONS]= IPA_RM_RESOURCE_ODU_ADAPT_CONS;

	/* Create the entries which IPACM wants to add dependencies on */
	ipa_rm_tbl[0].producer_rm1 = IPA_RM_RESOURCE_WLAN_PROD;
	ipa_rm_tbl[0].consumer_rm1 = IPA_RM_RESOURCE_Q6_CONS;
	ipa_rm_tbl[0].producer_rm2 = IPA_RM_RESOURCE_Q6_PROD;
	ipa_rm_tbl[0].consumer_rm2 = IPA_RM_RESOURCE_WLAN_CONS;

	ipa_rm_tbl[1].producer_rm1 = IPA_RM_RESOURCE_USB_PROD;
	ipa_rm_tbl[1].consumer_rm1 = IPA_RM_RESOURCE_Q6_CONS;
	ipa_rm_tbl[1].producer_rm2 = IPA_RM_RESOURCE_Q6_PROD;
	ipa_rm_tbl[1].consumer_rm2 = IPA_RM_RESOURCE_USB_CONS;

	ipa_rm_tbl[2].producer_rm1 = IPA_RM_RESOURCE_WLAN_PROD;
	ipa_rm_tbl[2].consumer_rm1 = IPA_RM_RESOURCE_USB_CONS;
	ipa_rm_tbl[2].producer_rm2 = IPA_RM_RESOURCE_USB_PROD;
	ipa_rm_tbl[2].consumer_rm2 = IPA_RM_RESOURCE_WLAN_CONS;

	ipa_rm_tbl[3].producer_rm1 = IPA_RM_RESOURCE_ODU_ADAPT_PROD;
	ipa_rm_tbl[3].consumer_rm1 = IPA_RM_RESOURCE_Q6_CONS;
	ipa_rm_tbl[3].producer_rm2 = IPA_RM_RESOURCE_Q6_PROD;
	ipa_rm_tbl[3].consumer_rm2 = IPA_RM_RESOURCE_ODU_ADAPT_CONS;

	ipa_rm_tbl[4].producer_rm1 = IPA_RM_RESOURCE_WLAN_PROD;
	ipa_rm_tbl[4].consumer_rm1 = IPA_RM_RESOURCE_ODU_ADAPT_CONS;
	ipa_rm_tbl[4].producer_rm2 = IPA_RM_RESOURCE_ODU_ADAPT_PROD;
	ipa_rm_tbl[4].consumer_rm2 = IPA_RM_RESOURCE_WLAN_CONS;

	ipa_rm_tbl[5].producer_rm1 = IPA_RM_RESOURCE_ODU_ADAPT_PROD;
	ipa_rm_tbl[5].consumer_rm1 = IPA_RM_RESOURCE_USB_CONS;
	ipa_rm_tbl[5].producer_rm2 = IPA_RM_RESOURCE_USB_PROD;
	ipa_rm_tbl[5].consumer_rm2 = IPA_RM_RESOURCE_ODU_ADAPT_CONS;
	ipa_max_valid_rm_entry = 6; /* max is IPA_MAX_RM_ENTRY (6)*/

	IPACMDBG_H(" depend MAP-0 rm index %d to rm index: %d \n", IPA_RM_RESOURCE_WLAN_PROD, IPA_RM_RESOURCE_Q6_CONS);
	IPACMDBG_H(" depend MAP-1 rm index %d to rm index: %d \n", IPA_RM_RESOURCE_USB_PROD, IPA_RM_RESOURCE_Q6_CONS);
	IPACMDBG_H(" depend MAP-2 rm index %d to rm index: %d \n", IPA_RM_RESOURCE_WLAN_PROD, IPA_RM_RESOURCE_USB_CONS);
	IPACMDBG_H(" depend MAP-3 rm index %d to rm index: %d \n", IPA_RM_RESOURCE_ODU_ADAPT_PROD, IPA_RM_RESOURCE_Q6_CONS);
	IPACMDBG_H(" depend MAP-4 rm index %d to rm index: %d \n", IPA_RM_RESOURCE_WLAN_PROD, IPA_RM_RESOURCE_ODU_ADAPT_CONS);
	IPACMDBG_H(" depend MAP-5 rm index %d to rm index: %d \n", IPA_RM_RESOURCE_ODU_ADAPT_PROD, IPA_RM_RESOURCE_USB_CONS);

fail:
	if (cfg != NULL)
	{
		free(cfg);
		cfg = NULL;
	}

	return ret;
}

IPACM_Config* IPACM_Config::GetInstance()
{
	int res = IPACM_SUCCESS;

	if (pInstance == NULL)
	{
		pInstance = new IPACM_Config();

		res = pInstance->Init();
		if (res != IPACM_SUCCESS)
		{
			delete pInstance;
			IPACMERR("unable to initialize config instance\n");
			return NULL;
		}
	}

	return pInstance;
}

int IPACM_Config::GetAlgPorts(int nPorts, ipacm_alg *pAlgPorts)
{
	if (nPorts <= 0 || pAlgPorts == NULL)
	{
		IPACMERR("Invalid input\n");
		return -1;
	}

	for (int cnt = 0; cnt < nPorts; cnt++)
	{
		pAlgPorts[cnt].protocol = alg_table[cnt].protocol;
		pAlgPorts[cnt].port = alg_table[cnt].port;
	}

	return 0;
}

int IPACM_Config::GetNatIfaces(int nIfaces, NatIfaces *pIfaces)
{
	if (nIfaces <= 0 || pIfaces == NULL)
	{
		IPACMERR("Invalid input\n");
		return -1;
	}

	for (int cnt=0; cnt<nIfaces; cnt++)
	{
		memcpy(pIfaces[cnt].iface_name,
					 pNatIfaces[cnt].iface_name,
					 sizeof(pIfaces[cnt].iface_name));
	}

	return 0;
}


int IPACM_Config::AddNatIfaces(char *dev_name)
{
	int i;
	/* Check if this iface already in NAT-iface*/
	for(i = 0; i < ipa_nat_iface_entries; i++)
	{
		if(strncmp(dev_name,
							 pNatIfaces[i].iface_name,
							 sizeof(pNatIfaces[i].iface_name)) == 0)
		{
			IPACMDBG("Interface (%s) is add to nat iface already\n", dev_name);
				return 0;
		}
	}

	IPACMDBG_H("Add iface %s to NAT-ifaces, origin it has %d nat ifaces\n",
					          dev_name, ipa_nat_iface_entries);
	ipa_nat_iface_entries++;

	if (ipa_nat_iface_entries < ipa_num_ipa_interfaces)
	{
		memcpy(pNatIfaces[ipa_nat_iface_entries - 1].iface_name,
					 dev_name, IPA_IFACE_NAME_LEN);

		IPACMDBG_H("Add Nat IfaceName: %s ,update nat-ifaces number: %d\n",
						 pNatIfaces[ipa_nat_iface_entries - 1].iface_name,
						 ipa_nat_iface_entries);
	}

	return 0;
}

int IPACM_Config::DelNatIfaces(char *dev_name)
{
	int i = 0;
	IPACMDBG_H("Del iface %s from NAT-ifaces, origin it has %d nat ifaces\n",
					 dev_name, ipa_nat_iface_entries);

	for (i = 0; i < ipa_nat_iface_entries; i++)
	{
		if (strcmp(dev_name, pNatIfaces[i].iface_name) == 0)
		{
			IPACMDBG_H("Find Nat IfaceName: %s ,previous nat-ifaces number: %d\n",
							 pNatIfaces[i].iface_name, ipa_nat_iface_entries);

			/* Reset the matched entry */
			memset(pNatIfaces[i].iface_name, 0, IPA_IFACE_NAME_LEN);

			for (; i < ipa_nat_iface_entries - 1; i++)
			{
				memcpy(pNatIfaces[i].iface_name,
							 pNatIfaces[i + 1].iface_name, IPA_IFACE_NAME_LEN);

				/* Reset the copied entry */
				memset(pNatIfaces[i + 1].iface_name, 0, IPA_IFACE_NAME_LEN);
			}
			ipa_nat_iface_entries--;
			IPACMDBG_H("Update nat-ifaces number: %d\n", ipa_nat_iface_entries);
			return 0;
		}
	}

	IPACMDBG_H("Can't find Nat IfaceName: %s with total nat-ifaces number: %d\n",
					    dev_name, ipa_nat_iface_entries);
	return 0;
}

/* for IPACM resource manager dependency usage
   add either Tx or Rx ipa_rm_resource_name and
   also indicate that endpoint property if valid */
void IPACM_Config::AddRmDepend(ipa_rm_resource_name rm1,bool rx_bypass_ipa)
{
	int retval = 0;
	struct ipa_ioc_rm_dependency dep;

	IPACMDBG_H(" Got rm add-depend index : %d \n", rm1);
	/* ipa_rm_a2_check: IPA_RM_RESOURCE_Q6_CONS*/
	if(rm1 == IPA_RM_RESOURCE_Q6_CONS)
	{
		ipa_rm_a2_check+=1;
		IPACMDBG_H("got %d times default RT routing from A2 \n", ipa_rm_a2_check);
	}

	for(int i=0;i<ipa_max_valid_rm_entry;i++)
	{
		if(rm1 == ipa_rm_tbl[i].producer_rm1)
		{
			ipa_rm_tbl[i].producer1_up = true;
			/* entry1's producer actually dun have registered Rx-property */
			ipa_rm_tbl[i].rx_bypass_ipa = rx_bypass_ipa;
			IPACMDBG_H("Matched RM_table entry: %d's producer_rm1 with non_rx_prop: %d \n", i,ipa_rm_tbl[i].rx_bypass_ipa);

			if(ipa_rm_tbl[i].consumer1_up == true && ipa_rm_tbl[i].rm_set == false)
			{
				IPACMDBG_H("SETUP RM_table entry %d's bi-direction dependency  \n", i);
				/* add bi-directional dependency*/
				if(ipa_rm_tbl[i].rx_bypass_ipa)
				{
					IPACMDBG_H("Skip ADD entry %d's dependency between WLAN-Pro: %d, Con: %d \n", i, ipa_rm_tbl[i].producer_rm1,ipa_rm_tbl[i].consumer_rm1);
				}
				else
				{
					memset(&dep, 0, sizeof(dep));
					dep.resource_name = ipa_rm_tbl[i].producer_rm1;
					dep.depends_on_name = ipa_rm_tbl[i].consumer_rm1;
					retval = ioctl(m_fd, IPA_IOC_RM_ADD_DEPENDENCY, &dep);
					IPACMDBG_H("ADD entry %d's dependency between Pro: %d, Con: %d \n", i,dep.resource_name,dep.depends_on_name);
					if (retval)
					{
						IPACMERR("Failed adding dependecny for RM_table entry %d's bi-direction dependency (error:%d) \n", i,retval);
					}
				}
				memset(&dep, 0, sizeof(dep));
				dep.resource_name = ipa_rm_tbl[i].producer_rm2;
				dep.depends_on_name = ipa_rm_tbl[i].consumer_rm2;
				retval = ioctl(m_fd, IPA_IOC_RM_ADD_DEPENDENCY, &dep);
				IPACMDBG_H("ADD entry %d's dependency between Pro: %d, Con: %d \n", i,dep.resource_name,dep.depends_on_name);
				if (retval)
				{
					IPACMERR("Failed adding dependecny for RM_table entry %d's bi-direction dependency (error:%d)  \n", i,retval);
				}
				ipa_rm_tbl[i].rm_set = true;
			}
			else
			{
				IPACMDBG_H("Not SETUP RM_table entry %d: prod_up:%d, cons_up:%d, rm_set: %d \n", i,ipa_rm_tbl[i].producer1_up, ipa_rm_tbl[i].consumer1_up, ipa_rm_tbl[i].rm_set);
			}
		}

		if(rm1 == ipa_rm_tbl[i].consumer_rm1)
		{
			ipa_rm_tbl[i].consumer1_up = true;
			IPACMDBG_H("Matched RM_table entry: %d's consumer_rm1 \n", i);

			if(ipa_rm_tbl[i].producer1_up == true && ipa_rm_tbl[i].rm_set == false)
			{
				IPACMDBG_H("SETUP RM_table entry %d's bi-direction dependency  \n", i);
				/* add bi-directional dependency*/
				if(ipa_rm_tbl[i].rx_bypass_ipa)
				{
					IPACMDBG_H("Skip ADD entry %d's dependency between WLAN-Pro: %d, Con: %d \n", i, ipa_rm_tbl[i].producer_rm1,ipa_rm_tbl[i].consumer_rm1);
				}
				else
				{
					memset(&dep, 0, sizeof(dep));
					dep.resource_name = ipa_rm_tbl[i].producer_rm1;
					dep.depends_on_name = ipa_rm_tbl[i].consumer_rm1;
					retval = ioctl(m_fd, IPA_IOC_RM_ADD_DEPENDENCY, &dep);
					IPACMDBG_H("ADD entry %d's dependency between Pro: %d, Con: %d \n", i,dep.resource_name,dep.depends_on_name);
					if (retval)
					{
						IPACMERR("Failed adding dependecny for RM_table entry %d's bi-direction dependency (error:%d)  \n", i,retval);
					}
				}

				memset(&dep, 0, sizeof(dep));
				dep.resource_name = ipa_rm_tbl[i].producer_rm2;
				dep.depends_on_name = ipa_rm_tbl[i].consumer_rm2;
				retval = ioctl(m_fd, IPA_IOC_RM_ADD_DEPENDENCY, &dep);
				IPACMDBG_H("ADD entry %d's dependency between Pro: %d, Con: %d \n", i,dep.resource_name,dep.depends_on_name);
				if (retval)
				{
					IPACMERR("Failed adding dependecny for RM_table entry %d's bi-direction dependency (error:%d)  \n", i,retval);
				}
				ipa_rm_tbl[i].rm_set = true;
			}
			else
			{
				IPACMDBG_H("Not SETUP RM_table entry %d: prod_up:%d, cons_up:%d, rm_set: %d \n", i,ipa_rm_tbl[i].producer1_up, ipa_rm_tbl[i].consumer1_up, ipa_rm_tbl[i].rm_set);
			}
	   }
   }
   return ;
}

/* for IPACM resource manager dependency usage
   delete either Tx or Rx ipa_rm_resource_name */

void IPACM_Config::DelRmDepend(ipa_rm_resource_name rm1)
{
	int retval = 0;
	struct ipa_ioc_rm_dependency dep;

	IPACMDBG_H(" Got rm del-depend index : %d \n", rm1);
	/* ipa_rm_a2_check: IPA_RM_RESOURCE_Q6_CONS*/
	if(rm1 == IPA_RM_RESOURCE_Q6_CONS)
	{
		ipa_rm_a2_check-=1;
		IPACMDBG_H("Left %d times default RT routing from A2 \n", ipa_rm_a2_check);
	}

	for(int i=0;i<ipa_max_valid_rm_entry;i++)
	{

		if(rm1 == ipa_rm_tbl[i].producer_rm1)
		{
			if(ipa_rm_tbl[i].rm_set == true)
			{
				IPACMDBG_H("Matched RM_table entry: %d's producer_rm1 and dependency is up \n", i);
				ipa_rm_tbl[i].rm_set = false;

				/* delete bi-directional dependency*/
				if(ipa_rm_tbl[i].rx_bypass_ipa)
				{
					IPACMDBG_H("Skip DEL entry %d's dependency between WLAN-Pro: %d, Con: %d \n", i, ipa_rm_tbl[i].producer_rm1,ipa_rm_tbl[i].consumer_rm1);
				}
				else
				{
					memset(&dep, 0, sizeof(dep));
					dep.resource_name = ipa_rm_tbl[i].producer_rm1;
					dep.depends_on_name = ipa_rm_tbl[i].consumer_rm1;
					retval = ioctl(m_fd, IPA_IOC_RM_DEL_DEPENDENCY, &dep);
					IPACMDBG_H("Delete entry %d's dependency between Pro: %d, Con: %d \n", i,dep.resource_name,dep.depends_on_name);
					if (retval)
					{
						IPACMERR("Failed deleting dependecny for RM_table entry %d's bi-direction dependency (error:%d) \n", i,retval);
					}
				}
				memset(&dep, 0, sizeof(dep));
				dep.resource_name = ipa_rm_tbl[i].producer_rm2;
				dep.depends_on_name = ipa_rm_tbl[i].consumer_rm2;
				retval = ioctl(m_fd, IPA_IOC_RM_DEL_DEPENDENCY, &dep);
				IPACMDBG_H("Delete entry %d's dependency between Pro: %d, Con: %d \n", i,dep.resource_name,dep.depends_on_name);
				if (retval)
				{
					IPACMERR("Failed deleting dependecny for RM_table entry %d's bi-direction dependency (error:%d) \n", i,retval);
				}
			}
			ipa_rm_tbl[i].producer1_up = false;
			ipa_rm_tbl[i].rx_bypass_ipa = false;
		}
		if(rm1 == ipa_rm_tbl[i].consumer_rm1)
		{
			/* ipa_rm_a2_check: IPA_RM_RESOURCE_!6_CONS*/
			if(ipa_rm_tbl[i].consumer_rm1 == IPA_RM_RESOURCE_Q6_CONS && ipa_rm_a2_check == 1)
			{
				IPACMDBG_H(" still have %d default RT routing from A2 \n", ipa_rm_a2_check);
				continue;
			}

			if(ipa_rm_tbl[i].rm_set == true)
			{
				IPACMDBG_H("Matched RM_table entry: %d's consumer_rm1 and dependency is up \n", i);
				ipa_rm_tbl[i].rm_set = false;
				/* delete bi-directional dependency*/
				if(ipa_rm_tbl[i].rx_bypass_ipa)
				{
					IPACMDBG_H("Skip DEL entry %d's dependency between WLAN-Pro: %d, Con: %d \n", i, ipa_rm_tbl[i].producer_rm1,ipa_rm_tbl[i].consumer_rm1);
				}
				else
				{
					memset(&dep, 0, sizeof(dep));
					dep.resource_name = ipa_rm_tbl[i].producer_rm1;
					dep.depends_on_name = ipa_rm_tbl[i].consumer_rm1;
					retval = ioctl(m_fd, IPA_IOC_RM_DEL_DEPENDENCY, &dep);
					IPACMDBG_H("Delete entry %d's dependency between Pro: %d, Con: %d \n", i,dep.resource_name,dep.depends_on_name);
					if (retval)
					{
						IPACMERR("Failed deleting dependecny for RM_table entry %d's bi-direction dependency (error:%d) \n", i,retval);
					}
				}

				memset(&dep, 0, sizeof(dep));
				dep.resource_name = ipa_rm_tbl[i].producer_rm2;
				dep.depends_on_name = ipa_rm_tbl[i].consumer_rm2;
				retval = ioctl(m_fd, IPA_IOC_RM_DEL_DEPENDENCY, &dep);
				IPACMDBG_H("Delete entry %d's dependency between Pro: %d, Con: %d \n", i,dep.resource_name,dep.depends_on_name);
				if (retval)
				{
					IPACMERR("Failed deleting dependecny for RM_table entry %d's bi-direction dependency (error:%d) \n", i,retval);
				}
			}
			ipa_rm_tbl[i].consumer1_up = false;
		}
	}
	return ;
}

int IPACM_Config::SetExtProp(ipa_ioc_query_intf_ext_props *prop)
{
	int i, num;

	if(prop == NULL || prop->num_ext_props <= 0)
	{
		IPACMERR("There is no extended property!\n");
		return IPACM_FAILURE;
	}

	num = prop->num_ext_props;
	for(i=0; i<num; i++)
	{
		if(prop->ext[i].ip == IPA_IP_v4)
		{
			if(ext_prop_v4.num_ext_props >= MAX_NUM_EXT_PROPS)
			{
				IPACMDBG_H("IPv4 extended property table is full!\n");
				continue;
			}
			memcpy(&ext_prop_v4.prop[ext_prop_v4.num_ext_props], &prop->ext[i], sizeof(struct ipa_ioc_ext_intf_prop));
			ext_prop_v4.num_ext_props++;
		}
		else if(prop->ext[i].ip == IPA_IP_v6)
		{
			if(ext_prop_v6.num_ext_props >= MAX_NUM_EXT_PROPS)
			{
				IPACMDBG_H("IPv6 extended property table is full!\n");
				continue;
			}
			memcpy(&ext_prop_v6.prop[ext_prop_v6.num_ext_props], &prop->ext[i], sizeof(struct ipa_ioc_ext_intf_prop));
			ext_prop_v6.num_ext_props++;
		}
		else
		{
			IPACMERR("The IP type is not expected!\n");
			return IPACM_FAILURE;
		}
	}

	IPACMDBG_H("Set extended property succeeded.\n");

	return IPACM_SUCCESS;
}

ipacm_ext_prop* IPACM_Config::GetExtProp(ipa_ip_type ip_type)
{
	if(ip_type == IPA_IP_v4)
		return &ext_prop_v4;
	else if(ip_type == IPA_IP_v6)
		return &ext_prop_v6;
	else
	{
		IPACMERR("Failed to get extended property: the IP version is neither IPv4 nor IPv6!\n");
		return NULL;
	}
}

int IPACM_Config::DelExtProp(ipa_ip_type ip_type)
{
	if(ip_type != IPA_IP_v6)
	{
		memset(&ext_prop_v4, 0, sizeof(ext_prop_v4));
	}

	if(ip_type != IPA_IP_v4)
	{
		memset(&ext_prop_v6, 0, sizeof(ext_prop_v6));
	}

	return IPACM_SUCCESS;
}