ipacm/inc/IPACM_Iface.h

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

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    * 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.
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      contributors may be used to endorse or promote products derived
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/*!
		@file
		IPACM_iface.h

		@brief
		This file implements the basis Iface definitions.

		@Author
		Skylar Chang

*/
#ifndef IPACM_IFACE_H
#define IPACM_IFACE_H

#include <stdio.h>
#include <IPACM_CmdQueue.h>
#include <linux/msm_ipa.h>
#include "IPACM_Routing.h"
#include "IPACM_Filtering.h"
#include "IPACM_Header.h"
#include "IPACM_EvtDispatcher.h"
#include "IPACM_Xml.h"
#include "IPACM_Log.h"
#include "IPACM_Netlink.h"
#include "IPACM_Config.h"
#include "IPACM_Defs.h"

/* current support 2 ipv6-address*/
#define MAX_DEFAULT_v4_ROUTE_RULES  1
#define MAX_DEFAULT_v6_ROUTE_RULES  2
#define IPV4_DEFAULT_FILTERTING_RULES 3
#define IPV6_DEFAULT_FILTERTING_RULES 3
#define IPV6_DEFAULT_LAN_FILTERTING_RULES 1
#define IPV6_NUM_ADDR 3
#define MAX_SOFTWAREROUTING_FILTERTING_RULES 2
#define INVALID_IFACE -1

/* iface */
class IPACM_Iface : public IPACM_Listener
{
public:

    /* Static class for reading IPACM configuration from XML file*/
    static IPACM_Config *ipacmcfg;

		/* IPACM interface id */
		int ipa_if_num;

		/* IPACM interface name */
		char dev_name[IF_NAME_LEN];

		/* IPACM interface iptype v4, v6 or both */
		ipa_ip_type ip_type;

		/* IPACM interface v6 ip-address*/
		uint32_t ipv6_addr[MAX_DEFAULT_v6_ROUTE_RULES][4];
		
		uint32_t header_hdl;

		uint32_t software_routing_fl_rule_hdl[MAX_SOFTWAREROUTING_FILTERTING_RULES];

		bool softwarerouting_act;

		/* IPACM number of default route rules for ipv6*/
		int num_dft_rt_v6;

		uint32_t dft_v4fl_rule_hdl[IPV4_DEFAULT_FILTERTING_RULES];
		uint32_t dft_v6fl_rule_hdl[IPV6_DEFAULT_FILTERTING_RULES + IPV6_DEFAULT_LAN_FILTERTING_RULES];
		/* create additional set of v6 RT-rules in Wanv6RT table*/
		uint32_t dft_rt_rule_hdl[MAX_DEFAULT_v4_ROUTE_RULES+2*MAX_DEFAULT_v6_ROUTE_RULES];

		ipa_ioc_query_intf *iface_query;
		ipa_ioc_query_intf_tx_props *tx_prop;
		ipa_ioc_query_intf_rx_props *rx_prop;

		virtual int handle_down_evt() = 0;

		virtual int handle_addr_evt(ipacm_event_data_addr *data) = 0;

		IPACM_Iface(int iface_index);

		virtual void event_callback(ipa_cm_event_id event,
																void *data) = 0;

	
    /* Query ipa_interface_index by given linux interface_index */
  	static int iface_ipa_index_query(int interface_index);
	  
    /* Query ipa_interface ipv4_addr by given linux interface_index */
  	static void iface_addr_query(int interface_index);

    /*Query the IPA endpoint property */
    int query_iface_property(void);

		/*Configure the initial filter rules */
		virtual int init_fl_rule(ipa_ip_type iptype);

		static IPACM_Routing m_routing;
		static IPACM_Filtering m_filtering;
		static IPACM_Header m_header;

		/* software routing enable */
		virtual int handle_software_routing_enable(void);

		/* software routing disable */
		virtual int handle_software_routing_disable(void);

	/* used to get filtering rule index in table */
	int flt_rule_count;


private:

		static const char *DEVICE_NAME;
};

#endif /* IPACM_IFACE_H */