libhd  5.0
Data Structures | Macros | Typedefs | Functions | Variables
pppoe.c File Reference
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <linux/if.h>
#include <net/ethernet.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <netpacket/packet.h>
#include "hd.h"
#include "hd_int.h"
#include "pppoe.h"

Data Structures

struct  PPPoEPacketStruct
 
struct  PPPoETagStruct
 
struct  PPPoEConnectionStruct
 
struct  PacketCriteriaStruct
 

Macros

#define ETH_PPPOE_DISCOVERY   0x8863
 
#define ETH_PPPOE_SESSION   0x8864
 
#define CODE_PADI   0x09
 
#define CODE_PADO   0x07
 
#define CODE_PADR   0x19
 
#define CODE_PADS   0x65
 
#define CODE_PADT   0xA7
 
#define TAG_END_OF_LIST   0x0000
 
#define TAG_SERVICE_NAME   0x0101
 
#define TAG_AC_NAME   0x0102
 
#define TAG_HOST_UNIQ   0x0103
 
#define TAG_AC_COOKIE   0x0104
 
#define TAG_VENDOR_SPECIFIC   0x0105
 
#define TAG_RELAY_SESSION_ID   0x0110
 
#define TAG_SERVICE_NAME_ERROR   0x0201
 
#define TAG_AC_SYSTEM_ERROR   0x0202
 
#define TAG_GENERIC_ERROR   0x0203
 
#define MAX_ATTEMPTS   2
 
#define PADO_TIMEOUT   3
 
#define PPPOE_OVERHEAD   6 /* type, code, session, length */
 
#define HDR_SIZE   (sizeof (struct ethhdr) + PPPOE_OVERHEAD)
 
#define MAX_PPPOE_PAYLOAD   (ETH_DATA_LEN - PPPOE_OVERHEAD)
 
#define TAG_HDR_SIZE   4
 
#define NOT_UNICAST(e)   ((e[0] & 0x01) != 0)
 

Typedefs

typedef struct PPPoEPacketStruct PPPoEPacket
 
typedef struct PPPoETagStruct PPPoETag
 
typedef void parse_func(uint16_t type, uint16_t len, unsigned char *data, void *extra)
 
typedef struct PPPoEConnectionStruct PPPoEConnection
 
typedef struct PacketCriteriaStruct PacketCriteria
 

Functions

static int check_room (PPPoEConnection *conn, unsigned char *cursor, unsigned char *start, uint16_t len)
 
static int parse_packet (PPPoEConnection *conn, PPPoEPacket *packet, parse_func *func, void *extra)
 
static int open_interfaces (int n, PPPoEConnection *conns)
 
static void close_intefaces (int n, PPPoEConnection *conns)
 
static int send_packet (int fd, PPPoEPacket *pkt, size_t size)
 
static int receive_packet (int fd, PPPoEPacket *pkt, size_t *size)
 
static void parse_hostuniq (uint16_t type, uint16_t len, unsigned char *data, void *extra)
 
static int packet_for_me (PPPoEConnection *conn, PPPoEPacket *packet)
 
static void parse_pado_tags (uint16_t type, uint16_t len, unsigned char *data, void *extra)
 
static int send_padi (int n, PPPoEConnection *conns)
 
static int wait_for_pado (int n, PPPoEConnection *conns)
 
static void discovery (int n, PPPoEConnection *conns)
 
void hd_scan_pppoe (hd_data_t *hd_data2)
 

Variables

static hd_data_t * hd_data
 

Variable Documentation

◆ hd_data

hd_data_t* hd_data
static

Referenced by add_serial_console(), dump_cpu_data(), hd_change_status(), hd_fork(), hd_pci_complete_data(), hd_scan_monitor(), hd_scan_mouse(), hd_scan_sys(), hd_shm_clean(), hddb_search(), int_cdrom(), and print_dev_num().