ipacm/inc/IPACM_Wan.h

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

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      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
      from this software without specific prior written permission.

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ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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*/
/*!
	@file
	IPACM_Wan.cpp

	@brief
	This file implements the WAN iface functionality.

	@Author
	Skylar Chang

*/
#ifndef IPACM_WAN_H
#define IPACM_WAN_H

#include <stdio.h>
#include <IPACM_CmdQueue.h>
#include <linux/msm_ipa.h>
#include "IPACM_Routing.h"
#include "IPACM_Filtering.h"
#include <IPACM_Iface.h>
#include <IPACM_Defs.h>
#include <IPACM_Xml.h>

#define IPA_NUM_DEFAULT_WAN_FILTER_RULES 2

/* wan iface */
class IPACM_Wan : public IPACM_Iface
{

public:

	static bool wan_up;

	IPACM_Wan(int iface_index);
	~IPACM_Wan();

	static bool isWanUP()
	{
		return wan_up;
	}

	void event_callback(ipa_cm_event_id event,
											void *data);

private:
	uint32_t *wan_route_rule_v4_hdl;
	uint32_t *wan_route_rule_v6_hdl;
	uint32_t *wan_route_rule_v6_hdl_a5;
	uint32_t hdr_hdl_sta_v4;
	uint32_t hdr_hdl_sta_v6;
	uint32_t firewall_hdl_v4[IPACM_MAX_FIREWALL_ENTRIES];
	uint32_t firewall_hdl_v6[IPACM_MAX_FIREWALL_ENTRIES];
	uint32_t dft_wan_fl_hdl[IPA_NUM_DEFAULT_WAN_FILTER_RULES];
	int num_firewall_v4,num_firewall_v6;
	uint32_t wan_v4_addr;
	bool active_v4;
	bool active_v6;
	bool header_set_v4;
	bool header_set_v6;
	bool header_partial_default_wan_v4;
	bool header_partial_default_wan_v6;

	/* IPACM firewall Configuration file*/
	IPACM_firewall_conf_t firewall_config;

	/* handle new_address event */
	int handle_addr_evt(ipacm_event_data_addr *data);

	/* wan default route/filter rule configuration */
	int handle_route_add_evt(ipa_ip_type iptype);

	/* wan default route/filter rule delete */	
	int handle_route_del_evt(ipa_ip_type iptype);

	/* construct complete ethernet header */
	int handle_header_add_evt(uint8_t mac_addr[6]);

	/* configure the initial firewall filter rules */
	int config_dft_firewall_rules(ipa_ip_type iptype);

	/*clean firewall filter rules */
	int del_dft_firewall_rules(ipa_ip_type iptype);

	/*handle wan-iface down event */
	int handle_down_evt();

};

#endif /* IPACM_WAN_H */