ipacm/src/IPACM_Config.cpp - LeafOS-Project/android_vendor_qcom_opensource_data-ipa-cfg-mgr - Gitiles

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

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 						contributors may be used to endorse or promote products derived
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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";

 IPACM_Config::IPACM_Config()
 {
 	iface_table = NULL;
 	alg_table = NULL;
 	memset(&private_subnet_table, 0, sizeof(private_subnet_table));
 	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;

 	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;

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

 	qmap_id = ~0;

 	IPACMDBG(" 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));
 	uint32_t subnet_addr;
 	uint32_t subnet_mask;
 	int i, ret = IPACM_SUCCESS;

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

 	/* Construct IPACM Iface table */
 	ipa_num_ipa_interfaces = cfg->iface_config.num_iface_entries;
 	iface_table = (ipa_ifi_dev_name_t *)calloc(ipa_num_ipa_interfaces,
 																						 sizeof(ipa_ifi_dev_name_t));

 	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;
 		IPACMDBG("IPACM_Config::iface_table[%d] = %s, cat=%d\n", i, iface_table[i].iface_name, iface_table[i].if_cat);
 	}

 	/* Construct IPACM 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);
 		IPACMDBG("%dst::private_subnet_table= %s \n ", i,
 						 inet_ntoa(*(struct in_addr *)&(subnet_addr)));

 		subnet_mask =  htonl(private_subnet_table[i].subnet_mask);
 		IPACMDBG("%dst::private_subnet_table= %s \n ", i,
 						 inet_ntoa(*(struct in_addr *)&(subnet_mask)));
 	}

 	/* Construct IPACM ALG table */
 	ipa_num_alg_ports = cfg->alg_config.num_alg_entries;
 	alg_table = (ipacm_alg *)calloc(ipa_num_alg_ports,
 																sizeof(ipacm_alg));

 	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("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("Nat Maximum Entries %d\n", ipa_nat_max_entries);

 	/* Allocate more non-nat entries if the monitored iface dun have Tx/Rx properties */
 	pNatIfaces = (NatIfaces *)calloc(ipa_num_ipa_interfaces, sizeof(NatIfaces));
 	if (pNatIfaces == NULL)
 	{
 		IPACMERR("unable to allocate nat ifaces\n");
 		ret = IPACM_FAILURE;
 		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_wan_dl.ip = IPA_IP_MAX;
 	strncpy(rt_tbl_wan_dl.name, WAN_DL_ROUTE_TABLE_NAME, sizeof(rt_tbl_wan_dl.name));


 	/* Construct IPACM ipa_client map to rm_resource table */
 	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC1_PROD]= IPA_RM_RESOURCE_HSIC_PROD;
 	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC2_PROD]= IPA_RM_RESOURCE_HSIC_PROD;
 	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC3_PROD]= IPA_RM_RESOURCE_HSIC_PROD;
 	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC4_PROD]= IPA_RM_RESOURCE_HSIC_PROD;
 	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC5_PROD]= IPA_RM_RESOURCE_HSIC_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_A2_PROD;
 //	ipa_client_rm_map_tbl[IPA_CLIENT_A2_TETHERED_PROD]= IPA_RM_RESOURCE_A2_PROD;
 	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC1_CONS]= IPA_RM_RESOURCE_HSIC_CONS;
 	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC2_CONS]= IPA_RM_RESOURCE_HSIC_CONS;
 	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC3_CONS]= IPA_RM_RESOURCE_HSIC_CONS;
 	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC4_CONS]= IPA_RM_RESOURCE_HSIC_CONS;
 	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC5_CONS]= IPA_RM_RESOURCE_HSIC_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_A2_CONS;
 //	ipa_client_rm_map_tbl[IPA_CLIENT_A2_TETHERED_CONS]= IPA_RM_RESOURCE_A2_CONS;

 	/* Create the entries which IPACM wants to add dependencies on */
 	ipa_rm_tbl[0].producer_rm1 = IPA_RM_RESOURCE_HSIC_PROD;
 //	ipa_rm_tbl[0].consumer_rm1 = IPA_RM_RESOURCE_A2_CONS;
 //	ipa_rm_tbl[0].producer_rm2 = IPA_RM_RESOURCE_A2_PROD;
 	ipa_rm_tbl[0].consumer_rm2 = IPA_RM_RESOURCE_HSIC_CONS;

 	ipa_rm_tbl[1].producer_rm1 = IPA_RM_RESOURCE_USB_PROD;
 //	ipa_rm_tbl[1].consumer_rm1 = IPA_RM_RESOURCE_A2_CONS;
 //	ipa_rm_tbl[1].producer_rm2 = IPA_RM_RESOURCE_A2_PROD;
 	ipa_rm_tbl[1].consumer_rm2 = IPA_RM_RESOURCE_USB_CONS;

 	ipa_rm_tbl[2].producer_rm1 = IPA_RM_RESOURCE_HSIC_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_HSIC_CONS;

 fail:
 	free(cfg);

 	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;
 			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)
 {
 	IPACMDBG("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("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("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("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("Update nat-ifaces number: %d\n", ipa_nat_iface_entries);
 			return 0;
 		}
 	}

 	IPACMDBG("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;

    /* ipa_rm_a2_check: IPA_RM_RESOURCE_A2_CONS*/
 //   if(rm1 == IPA_RM_RESOURCE_A2_CONS)
 //   {
 //     ipa_rm_a2_check+=1;
 //	 IPACMDBG("got %d times default RT routing from A2 \n", ipa_rm_a2_check);
 //   }

    for(int i=0;i<IPA_MAX_PRIVATE_SUBNET_ENTRIES;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("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("SETUP RM_table entry %d's bi-direction dependency  \n", i);
 	                  /* add bi-directional dependency*/
 			  if(ipa_rm_tbl[i].rx_bypass_ipa)
                           {
 			     IPACMDBG("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("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("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("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("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("SETUP RM_table entry %d's bi-direction dependency  \n", i);
 	                  /* add bi-directional dependency*/
 			  if(ipa_rm_tbl[i].rx_bypass_ipa)
                           {
 			     IPACMDBG("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("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("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("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;

    /* ipa_rm_a2_check: IPA_RM_RESOURCE_A2_CONS*/
 //   if(rm1 == IPA_RM_RESOURCE_A2_CONS)
 //   {
 //     ipa_rm_a2_check-=1;
 //	 IPACMDBG("Left %d times default RT routing from A2 \n", ipa_rm_a2_check);
 //   }

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

          if(rm1 == ipa_rm_tbl[i].producer_rm1)
 	 {
 	         if(ipa_rm_tbl[i].rm_set == true)
 		 {
 	               IPACMDBG("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("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("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("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_A2_CONS*/
 //                 if(ipa_rm_tbl[i].consumer_rm1 == IPA_RM_RESOURCE_A2_CONS && ipa_rm_a2_check == 1)
 //                 {
 //	               IPACMDBG(" still have %d default RT routing from A2 \n", ipa_rm_a2_check);
 //                       continue;
 //                 }

 	         if(ipa_rm_tbl[i].rm_set == true)
 		 {
 	               IPACMDBG("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("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("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("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("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("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("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;
 }
	/*
	Copyright (c) 2013, The Linux Foundation. All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are
	met:
	* Redistributions of source code must retain the above copyright
	notice, this list of conditions and the following disclaimer.
	* Redistributions in binary form must reproduce the above
	copyright notice, this list of conditions and the following
	disclaimer in the documentation and/or other materials provided
	with the distribution.
	* Neither the name of The Linux Foundation nor the names of its
	contributors may be used to endorse or promote products derived
	from this software without specific prior written permission.

	THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
	WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
	ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
	BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
	OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
	IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/
	/*!
	@file
	IPACM_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";

	IPACM_Config::IPACM_Config()
	{
	iface_table = NULL;
	alg_table = NULL;
	memset(&private_subnet_table, 0, sizeof(private_subnet_table));
	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;

	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;

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

	qmap_id = ~0;

	IPACMDBG(" 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));
	uint32_t subnet_addr;
	uint32_t subnet_mask;
	int i, ret = IPACM_SUCCESS;

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

	/* Construct IPACM Iface table */
	ipa_num_ipa_interfaces = cfg->iface_config.num_iface_entries;
	iface_table = (ipa_ifi_dev_name_t *)calloc(ipa_num_ipa_interfaces,
	sizeof(ipa_ifi_dev_name_t));

	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;
	IPACMDBG("IPACM_Config::iface_table[%d] = %s, cat=%d\n", i, iface_table[i].iface_name, iface_table[i].if_cat);
	}

	/* Construct IPACM 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);
	IPACMDBG("%dst::private_subnet_table= %s \n ", i,
	inet_ntoa((struct in_addr )&(subnet_addr)));

	subnet_mask = htonl(private_subnet_table[i].subnet_mask);
	IPACMDBG("%dst::private_subnet_table= %s \n ", i,
	inet_ntoa((struct in_addr )&(subnet_mask)));
	}

	/* Construct IPACM ALG table */
	ipa_num_alg_ports = cfg->alg_config.num_alg_entries;
	alg_table = (ipacm_alg *)calloc(ipa_num_alg_ports,
	sizeof(ipacm_alg));

	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("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("Nat Maximum Entries %d\n", ipa_nat_max_entries);

	/* Allocate more non-nat entries if the monitored iface dun have Tx/Rx properties */
	pNatIfaces = (NatIfaces *)calloc(ipa_num_ipa_interfaces, sizeof(NatIfaces));
	if (pNatIfaces == NULL)
	{
	IPACMERR("unable to allocate nat ifaces\n");
	ret = IPACM_FAILURE;
	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_wan_dl.ip = IPA_IP_MAX;
	strncpy(rt_tbl_wan_dl.name, WAN_DL_ROUTE_TABLE_NAME, sizeof(rt_tbl_wan_dl.name));


	/* Construct IPACM ipa_client map to rm_resource table */
	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC1_PROD]= IPA_RM_RESOURCE_HSIC_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC2_PROD]= IPA_RM_RESOURCE_HSIC_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC3_PROD]= IPA_RM_RESOURCE_HSIC_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC4_PROD]= IPA_RM_RESOURCE_HSIC_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC5_PROD]= IPA_RM_RESOURCE_HSIC_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_A2_PROD;
	// ipa_client_rm_map_tbl[IPA_CLIENT_A2_TETHERED_PROD]= IPA_RM_RESOURCE_A2_PROD;
	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC1_CONS]= IPA_RM_RESOURCE_HSIC_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC2_CONS]= IPA_RM_RESOURCE_HSIC_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC3_CONS]= IPA_RM_RESOURCE_HSIC_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC4_CONS]= IPA_RM_RESOURCE_HSIC_CONS;
	ipa_client_rm_map_tbl[IPA_CLIENT_HSIC5_CONS]= IPA_RM_RESOURCE_HSIC_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_A2_CONS;
	// ipa_client_rm_map_tbl[IPA_CLIENT_A2_TETHERED_CONS]= IPA_RM_RESOURCE_A2_CONS;

	/* Create the entries which IPACM wants to add dependencies on */
	ipa_rm_tbl[0].producer_rm1 = IPA_RM_RESOURCE_HSIC_PROD;
	// ipa_rm_tbl[0].consumer_rm1 = IPA_RM_RESOURCE_A2_CONS;
	// ipa_rm_tbl[0].producer_rm2 = IPA_RM_RESOURCE_A2_PROD;
	ipa_rm_tbl[0].consumer_rm2 = IPA_RM_RESOURCE_HSIC_CONS;

	ipa_rm_tbl[1].producer_rm1 = IPA_RM_RESOURCE_USB_PROD;
	// ipa_rm_tbl[1].consumer_rm1 = IPA_RM_RESOURCE_A2_CONS;
	// ipa_rm_tbl[1].producer_rm2 = IPA_RM_RESOURCE_A2_PROD;
	ipa_rm_tbl[1].consumer_rm2 = IPA_RM_RESOURCE_USB_CONS;

	ipa_rm_tbl[2].producer_rm1 = IPA_RM_RESOURCE_HSIC_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_HSIC_CONS;

	fail:
	free(cfg);

	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;
	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)
	{
	IPACMDBG("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("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("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("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("Update nat-ifaces number: %d\n", ipa_nat_iface_entries);
	return 0;
	}
	}

	IPACMDBG("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;

	/* ipa_rm_a2_check: IPA_RM_RESOURCE_A2_CONS*/
	// if(rm1 == IPA_RM_RESOURCE_A2_CONS)
	// {
	// ipa_rm_a2_check+=1;
	// IPACMDBG("got %d times default RT routing from A2 \n", ipa_rm_a2_check);
	// }

	for(int i=0;i<IPA_MAX_PRIVATE_SUBNET_ENTRIES;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("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("SETUP RM_table entry %d's bi-direction dependency \n", i);
	/* add bi-directional dependency*/
	if(ipa_rm_tbl[i].rx_bypass_ipa)
	{
	IPACMDBG("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("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("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("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("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("SETUP RM_table entry %d's bi-direction dependency \n", i);
	/* add bi-directional dependency*/
	if(ipa_rm_tbl[i].rx_bypass_ipa)
	{
	IPACMDBG("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("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("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("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;

	/* ipa_rm_a2_check: IPA_RM_RESOURCE_A2_CONS*/
	// if(rm1 == IPA_RM_RESOURCE_A2_CONS)
	// {
	// ipa_rm_a2_check-=1;
	// IPACMDBG("Left %d times default RT routing from A2 \n", ipa_rm_a2_check);
	// }

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

	if(rm1 == ipa_rm_tbl[i].producer_rm1)
	{
	if(ipa_rm_tbl[i].rm_set == true)
	{
	IPACMDBG("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("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("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("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_A2_CONS*/
	// if(ipa_rm_tbl[i].consumer_rm1 == IPA_RM_RESOURCE_A2_CONS && ipa_rm_a2_check == 1)
	// {
	// IPACMDBG(" still have %d default RT routing from A2 \n", ipa_rm_a2_check);
	// continue;
	// }

	if(ipa_rm_tbl[i].rm_set == true)
	{
	IPACMDBG("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("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("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("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("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("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("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;
	}