2002-11-10 01:33:55 +00:00
|
|
|
/*
|
|
|
|
* ll_proto.c
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or
|
|
|
|
* modify it under the terms of the GNU General Public License
|
|
|
|
* as published by the Free Software Foundation; either version
|
|
|
|
* 2 of the License, or (at your option) any later version.
|
|
|
|
*
|
|
|
|
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <arpa/inet.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "utils.h"
|
|
|
|
|
2003-07-14 08:46:30 +00:00
|
|
|
/* Stuff swiped from linux/if_arp.h */
|
|
|
|
#define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */
|
|
|
|
#define ETH_P_PUP 0x0200 /* Xerox PUP packet */
|
|
|
|
#define ETH_P_PUPAT 0x0201 /* Xerox PUP Addr Trans packet */
|
|
|
|
#define ETH_P_IP 0x0800 /* Internet Protocol packet */
|
|
|
|
#define ETH_P_X25 0x0805 /* CCITT X.25 */
|
|
|
|
#define ETH_P_ARP 0x0806 /* Address Resolution packet */
|
|
|
|
#define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */
|
|
|
|
#define ETH_P_IEEEPUP 0x0a00 /* Xerox IEEE802.3 PUP packet */
|
|
|
|
#define ETH_P_IEEEPUPAT 0x0a01 /* Xerox IEEE802.3 PUP Addr Trans packet */
|
|
|
|
#define ETH_P_DEC 0x6000 /* DEC Assigned proto */
|
|
|
|
#define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */
|
|
|
|
#define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */
|
|
|
|
#define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */
|
|
|
|
#define ETH_P_LAT 0x6004 /* DEC LAT */
|
|
|
|
#define ETH_P_DIAG 0x6005 /* DEC Diagnostics */
|
|
|
|
#define ETH_P_CUST 0x6006 /* DEC Customer use */
|
|
|
|
#define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */
|
|
|
|
#define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */
|
|
|
|
#define ETH_P_ATALK 0x809B /* Appletalk DDP */
|
|
|
|
#define ETH_P_AARP 0x80F3 /* Appletalk AARP */
|
|
|
|
#define ETH_P_8021Q 0x8100 /* 802.1Q VLAN Extended Header */
|
|
|
|
#define ETH_P_IPX 0x8137 /* IPX over DIX */
|
|
|
|
#define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */
|
|
|
|
#define ETH_P_PPP_DISC 0x8863 /* PPPoE discovery messages */
|
|
|
|
#define ETH_P_PPP_SES 0x8864 /* PPPoE session messages */
|
|
|
|
#define ETH_P_ATMMPOA 0x884c /* MultiProtocol Over ATM */
|
|
|
|
#define ETH_P_ATMFATE 0x8884 /* Frame-based ATM Transport over Ethernet */
|
|
|
|
#define ETH_P_EDP2 0x88A2 /* Coraid EDP2 */
|
|
|
|
#define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */
|
|
|
|
#define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */
|
|
|
|
#define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */
|
|
|
|
#define ETH_P_802_2 0x0004 /* 802.2 frames */
|
|
|
|
#define ETH_P_SNAP 0x0005 /* Internal only */
|
|
|
|
#define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */
|
|
|
|
#define ETH_P_WAN_PPP 0x0007 /* Dummy type for WAN PPP frames*/
|
|
|
|
#define ETH_P_PPP_MP 0x0008 /* Dummy type for PPP MP frames */
|
|
|
|
#define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudo type */
|
|
|
|
#define ETH_P_PPPTALK 0x0010 /* Dummy type for Atalk over PPP*/
|
|
|
|
#define ETH_P_TR_802_2 0x0011 /* 802.2 frames */
|
|
|
|
#define ETH_P_MOBITEX 0x0015 /* Mobitex (kaz@cafe.net) */
|
|
|
|
#define ETH_P_CONTROL 0x0016 /* Card specific control frames */
|
|
|
|
#define ETH_P_IRDA 0x0017 /* Linux-IrDA */
|
|
|
|
#define ETH_P_ECONET 0x0018 /* Acorn Econet */
|
|
|
|
#define ETH_P_HDLC 0x0019 /* HDLC frames */
|
|
|
|
|
2002-11-10 01:33:55 +00:00
|
|
|
|
|
|
|
#define __PF(f,n) { ETH_P_##f, #n },
|
|
|
|
static struct {
|
|
|
|
int id;
|
|
|
|
char *name;
|
|
|
|
} llproto_names[] = {
|
|
|
|
__PF(LOOP,loop)
|
|
|
|
__PF(PUP,pup)
|
|
|
|
#ifdef ETH_P_PUPAT
|
|
|
|
__PF(PUPAT,pupat)
|
|
|
|
#endif
|
|
|
|
__PF(IP,ip)
|
|
|
|
__PF(X25,x25)
|
|
|
|
__PF(ARP,arp)
|
|
|
|
__PF(BPQ,bpq)
|
|
|
|
#ifdef ETH_P_IEEEPUP
|
|
|
|
__PF(IEEEPUP,ieeepup)
|
|
|
|
#endif
|
|
|
|
#ifdef ETH_P_IEEEPUPAT
|
|
|
|
__PF(IEEEPUPAT,ieeepupat)
|
|
|
|
#endif
|
|
|
|
__PF(DEC,dec)
|
|
|
|
__PF(DNA_DL,dna_dl)
|
|
|
|
__PF(DNA_RC,dna_rc)
|
|
|
|
__PF(DNA_RT,dna_rt)
|
|
|
|
__PF(LAT,lat)
|
|
|
|
__PF(DIAG,diag)
|
|
|
|
__PF(CUST,cust)
|
|
|
|
__PF(SCA,sca)
|
|
|
|
__PF(RARP,rarp)
|
|
|
|
__PF(ATALK,atalk)
|
|
|
|
__PF(AARP,aarp)
|
|
|
|
__PF(IPX,ipx)
|
|
|
|
__PF(IPV6,ipv6)
|
2003-06-20 09:05:00 +00:00
|
|
|
#ifdef ETH_P_PPP_DISC
|
2002-11-10 01:33:55 +00:00
|
|
|
__PF(PPP_DISC,ppp_disc)
|
2003-06-20 09:05:00 +00:00
|
|
|
#endif
|
|
|
|
#ifdef ETH_P_PPP_SES
|
2002-11-10 01:33:55 +00:00
|
|
|
__PF(PPP_SES,ppp_ses)
|
2003-06-20 09:05:00 +00:00
|
|
|
#endif
|
|
|
|
#ifdef ETH_P_ATMMPOA
|
2002-11-10 01:33:55 +00:00
|
|
|
__PF(ATMMPOA,atmmpoa)
|
2003-06-20 09:05:00 +00:00
|
|
|
#endif
|
|
|
|
#ifdef ETH_P_ATMFATE
|
2002-11-10 01:33:55 +00:00
|
|
|
__PF(ATMFATE,atmfate)
|
2003-06-20 09:05:00 +00:00
|
|
|
#endif
|
2002-11-10 01:33:55 +00:00
|
|
|
|
|
|
|
__PF(802_3,802_3)
|
|
|
|
__PF(AX25,ax25)
|
|
|
|
__PF(ALL,all)
|
|
|
|
__PF(802_2,802_2)
|
|
|
|
__PF(SNAP,snap)
|
|
|
|
__PF(DDCMP,ddcmp)
|
|
|
|
__PF(WAN_PPP,wan_ppp)
|
|
|
|
__PF(PPP_MP,ppp_mp)
|
|
|
|
__PF(LOCALTALK,localtalk)
|
|
|
|
__PF(PPPTALK,ppptalk)
|
|
|
|
__PF(TR_802_2,tr_802_2)
|
|
|
|
__PF(MOBITEX,mobitex)
|
|
|
|
__PF(CONTROL,control)
|
|
|
|
__PF(IRDA,irda)
|
2003-06-20 09:05:00 +00:00
|
|
|
#ifdef ETH_P_ECONET
|
2002-11-10 01:33:55 +00:00
|
|
|
__PF(ECONET,econet)
|
2003-06-20 09:05:00 +00:00
|
|
|
#endif
|
2002-11-10 01:33:55 +00:00
|
|
|
|
|
|
|
{ 0x8100, "802.1Q" },
|
|
|
|
{ ETH_P_IP, "ipv4" },
|
|
|
|
};
|
|
|
|
#undef __PF
|
|
|
|
|
|
|
|
|
|
|
|
char * ll_proto_n2a(unsigned short id, char *buf, int len)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
id = ntohs(id);
|
|
|
|
|
|
|
|
for (i=0; i<sizeof(llproto_names)/sizeof(llproto_names[0]); i++) {
|
|
|
|
if (llproto_names[i].id == id)
|
|
|
|
return llproto_names[i].name;
|
|
|
|
}
|
|
|
|
snprintf(buf, len, "[%d]", id);
|
|
|
|
return buf;
|
|
|
|
}
|
|
|
|
|
|
|
|
int ll_proto_a2n(unsigned short *id, char *buf)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
for (i=0; i<sizeof(llproto_names)/sizeof(llproto_names[0]); i++) {
|
|
|
|
if (strcasecmp(llproto_names[i].name, buf) == 0) {
|
|
|
|
*id = htons(llproto_names[i].id);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (get_u16(id, buf, 0))
|
|
|
|
return -1;
|
|
|
|
*id = htons(*id);
|
|
|
|
return 0;
|
|
|
|
}
|