/*
 * Copyright 2003-2004, Waldemar Kornewald <wkornew@gmx.net>
 * Distributed under the terms of the MIT License.
 */
#ifndef PPPoE__H
#define PPPoE__H

#include <SupportDefs.h>

#include <net/if.h>
#include <ethernet.h>

#ifdef _KERNEL_MODE
#include <ether_driver.h>
#include <net_stack.h>
#endif


#define B_NET_FRAME_TYPE_PPPOE  B_NET_FRAME_TYPE(IFT_ETHER, ETHER_TYPE_PPPOE)
#define B_NET_FRAME_TYPE_PPPOE_DISCOVERY B_NET_FRAME_TYPE(IFT_ETHER, ETHER_TYPE_PPPOE_DISCOVERY)

#define PPPoE_QUERY_REPORT_SIZE 2048
#define PPPoE_QUERY_REPORT              'PoEQ'
        // the code value used for query reports

#define PPPoE_HEADER_SIZE               6
        // without ethernet header
#define PPPoE_TIMEOUT                   3000000
        // 3 seconds
#define PPPoE_MAX_ATTEMPTS              2
        // maximum number of PPPoE's connect-retries

#define PPPoE_VERSION                   0x1
#define PPPoE_TYPE                              0x1

#define PPPoE_INTERFACE_KEY             "Interface"
#define PPPoE_AC_NAME_KEY               "ACName"
#define PPPoE_SERVICE_NAME_KEY  "ServiceName"

enum pppoe_ops {
        PPPoE_GET_INTERFACES,
        PPPoE_QUERY_SERVICES
};

typedef struct pppoe_query_request {
        const char *interfaceName;
        thread_id receiver;
} pppoe_query_request;

typedef struct pppoe_header {
        uint8 version : 4;
        uint8 type : 4;
        uint8 code;
        uint16 sessionID;
        uint16 length;
        uint8 data[0];
} _PACKED pppoe_header;

typedef struct complete_pppoe_header {
        struct ether_header ethernetHeader;
        pppoe_header pppoeHeader;
} complete_pppoe_header;


#ifdef _KERNEL_MODE
extern struct core_module_info *core;
class PPPoEDevice;

// defined in pppoe.cpp
extern net_device *FindPPPoEInterface(const char *name);
extern uint32 NewHostUniq();
extern void add_device(PPPoEDevice *device);
extern void remove_device(PPPoEDevice *device);

#if DEBUG
// defined in PPPoEDevice.cpp
extern void dump_packet(net_buffer *packet);
#endif // DEBUG

#endif


#endif