1aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger/* 2aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * ll_proto.c 3aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 4aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * This program is free software; you can redistribute it and/or 5aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * modify it under the terms of the GNU General Public License 6aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * as published by the Free Software Foundation; either version 7aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 2 of the License, or (at your option) any later version. 8aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 9aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> 10aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger */ 11aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 12aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdio.h> 13aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdlib.h> 14aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <unistd.h> 15aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <syslog.h> 16aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <fcntl.h> 17aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/ioctl.h> 18aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/socket.h> 19aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/ioctl.h> 20aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <netinet/in.h> 21aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <arpa/inet.h> 22aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <string.h> 23aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 24ea7436fb2d6ef8564ea7cc755b9338fcdafcb7c4osdl.org!shemminger#include <linux/netdevice.h> 25ea7436fb2d6ef8564ea7cc755b9338fcdafcb7c4osdl.org!shemminger#include <linux/if_arp.h> 26ea7436fb2d6ef8564ea7cc755b9338fcdafcb7c4osdl.org!shemminger#include <linux/sockios.h> 27ea7436fb2d6ef8564ea7cc755b9338fcdafcb7c4osdl.org!shemminger 28aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "utils.h" 29ea7436fb2d6ef8564ea7cc755b9338fcdafcb7c4osdl.org!shemminger#include "rt_names.h" 30aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 31aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 32aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#define __PF(f,n) { ETH_P_##f, #n }, 3375dbf137916a2356807edf12c84e4e906277dd3bStephen Hemmingerstatic const struct { 34aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int id; 35ea7436fb2d6ef8564ea7cc755b9338fcdafcb7c4osdl.org!shemminger const char *name; 36aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} llproto_names[] = { 37aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(LOOP,loop) 38ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(PUP,pup) 39aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(PUPAT,pupat) 40aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(IP,ip) 41aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(X25,x25) 42aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(ARP,arp) 43aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(BPQ,bpq) 44aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(IEEEPUP,ieeepup) 45aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(IEEEPUPAT,ieeepupat) 46ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(DEC,dec) 47ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(DNA_DL,dna_dl) 48ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(DNA_RC,dna_rc) 49ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(DNA_RT,dna_rt) 50ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(LAT,lat) 51ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(DIAG,diag) 52ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(CUST,cust) 53ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(SCA,sca) 54ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(RARP,rarp) 55ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(ATALK,atalk) 56ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(AARP,aarp) 57ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(IPX,ipx) 58ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(IPV6,ipv6) 59aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(PPP_DISC,ppp_disc) 60aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(PPP_SES,ppp_ses) 61aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(ATMMPOA,atmmpoa) 62aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(ATMFATE,atmfate) 63ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(802_3,802_3) 64ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(AX25,ax25) 65ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(ALL,all) 66ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(802_2,802_2) 67ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(SNAP,snap) 68ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(DDCMP,ddcmp) 69ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(WAN_PPP,wan_ppp) 70ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(PPP_MP,ppp_mp) 71ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(LOCALTALK,localtalk) 7298f9a1d24442399db3b1b6190010855804ca15e2Oliver Hartkopp__PF(CAN,can) 73ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(PPPTALK,ppptalk) 74ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(TR_802_2,tr_802_2) 75ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(MOBITEX,mobitex) 76ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(CONTROL,control) 77ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger__PF(IRDA,irda) 78aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__PF(ECONET,econet) 7910bd7e846030b1f2b5c4a9180474569870a05da1Stephen Hemminger__PF(TIPC,tipc) 8010bd7e846030b1f2b5c4a9180474569870a05da1Stephen Hemminger__PF(AOE,aoe) 81aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 82aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 0x8100, "802.1Q" }, 8375dbf137916a2356807edf12c84e4e906277dd3bStephen Hemminger{ 0x88cc, "LLDP" }, 84aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ ETH_P_IP, "ipv4" }, 85aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger}; 86aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#undef __PF 87aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 88aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 89ea7436fb2d6ef8564ea7cc755b9338fcdafcb7c4osdl.org!shemmingerconst char * ll_proto_n2a(unsigned short id, char *buf, int len) 90aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 91aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 92aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 93aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger id = ntohs(id); 94aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 95aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i=0; i<sizeof(llproto_names)/sizeof(llproto_names[0]); i++) { 96aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (llproto_names[i].id == id) 97aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return llproto_names[i].name; 98aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 99aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger snprintf(buf, len, "[%d]", id); 100aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return buf; 101aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 102aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 103aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint ll_proto_a2n(unsigned short *id, char *buf) 104aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 105aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 106aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i=0; i<sizeof(llproto_names)/sizeof(llproto_names[0]); i++) { 107aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcasecmp(llproto_names[i].name, buf) == 0) { 108aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *id = htons(llproto_names[i].id); 109aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 110aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 111aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 112aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_u16(id, buf, 0)) 113aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 114aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *id = htons(*id); 115aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 116aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 117