[1765] | 1 | /* vi: set sw=4 ts=4: */
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[821] | 2 | /*
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| 3 | * ll_proto.c
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| 4 | *
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| 5 | * This program is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU General Public License
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| 7 | * as published by the Free Software Foundation; either version
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| 8 | * 2 of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
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| 11 | */
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| 12 |
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| 13 | #include "libbb.h"
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| 14 | #include "rt_names.h"
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| 15 | #include "utils.h"
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| 16 |
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[1765] | 17 | #if defined(__GLIBC__) && __GLIBC__ >=2 && __GLIBC_MINOR__ >= 1
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[821] | 18 | #include <net/ethernet.h>
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| 19 | #else
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| 20 | #include <linux/if_ether.h>
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| 21 | #endif
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| 22 |
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| 23 | #define __PF(f,n) { ETH_P_##f, #n },
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| 24 | static struct {
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| 25 | int id;
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[1765] | 26 | const char *name;
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[821] | 27 | } llproto_names[] = {
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| 28 | __PF(LOOP,loop)
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| 29 | __PF(PUP,pup)
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| 30 | #ifdef ETH_P_PUPAT
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| 31 | __PF(PUPAT,pupat)
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| 32 | #endif
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| 33 | __PF(IP,ip)
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| 34 | __PF(X25,x25)
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| 35 | __PF(ARP,arp)
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| 36 | __PF(BPQ,bpq)
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| 37 | #ifdef ETH_P_IEEEPUP
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| 38 | __PF(IEEEPUP,ieeepup)
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| 39 | #endif
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| 40 | #ifdef ETH_P_IEEEPUPAT
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| 41 | __PF(IEEEPUPAT,ieeepupat)
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| 42 | #endif
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| 43 | __PF(DEC,dec)
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| 44 | __PF(DNA_DL,dna_dl)
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| 45 | __PF(DNA_RC,dna_rc)
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| 46 | __PF(DNA_RT,dna_rt)
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| 47 | __PF(LAT,lat)
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| 48 | __PF(DIAG,diag)
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| 49 | __PF(CUST,cust)
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| 50 | __PF(SCA,sca)
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| 51 | __PF(RARP,rarp)
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| 52 | __PF(ATALK,atalk)
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| 53 | __PF(AARP,aarp)
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| 54 | __PF(IPX,ipx)
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| 55 | __PF(IPV6,ipv6)
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| 56 | #ifdef ETH_P_PPP_DISC
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| 57 | __PF(PPP_DISC,ppp_disc)
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| 58 | #endif
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| 59 | #ifdef ETH_P_PPP_SES
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| 60 | __PF(PPP_SES,ppp_ses)
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| 61 | #endif
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| 62 | #ifdef ETH_P_ATMMPOA
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| 63 | __PF(ATMMPOA,atmmpoa)
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| 64 | #endif
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| 65 | #ifdef ETH_P_ATMFATE
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| 66 | __PF(ATMFATE,atmfate)
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| 67 | #endif
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| 68 |
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| 69 | __PF(802_3,802_3)
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| 70 | __PF(AX25,ax25)
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| 71 | __PF(ALL,all)
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| 72 | __PF(802_2,802_2)
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| 73 | __PF(SNAP,snap)
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| 74 | __PF(DDCMP,ddcmp)
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| 75 | __PF(WAN_PPP,wan_ppp)
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| 76 | __PF(PPP_MP,ppp_mp)
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| 77 | __PF(LOCALTALK,localtalk)
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| 78 | __PF(PPPTALK,ppptalk)
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| 79 | __PF(TR_802_2,tr_802_2)
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| 80 | __PF(MOBITEX,mobitex)
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| 81 | __PF(CONTROL,control)
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| 82 | __PF(IRDA,irda)
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| 83 | #ifdef ETH_P_ECONET
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| 84 | __PF(ECONET,econet)
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| 85 | #endif
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| 86 |
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| 87 | { 0x8100, "802.1Q" },
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| 88 | { ETH_P_IP, "ipv4" },
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| 89 | };
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| 90 | #undef __PF
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| 91 |
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| 92 |
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| 93 | const char * ll_proto_n2a(unsigned short id, char *buf, int len)
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| 94 | {
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| 95 | int i;
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| 96 |
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| 97 | id = ntohs(id);
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| 98 |
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[1765] | 99 | for (i=0; i < ARRAY_SIZE(llproto_names); i++) {
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[821] | 100 | if (llproto_names[i].id == id)
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| 101 | return llproto_names[i].name;
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| 102 | }
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| 103 | snprintf(buf, len, "[%d]", id);
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| 104 | return buf;
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| 105 | }
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| 106 |
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| 107 | int ll_proto_a2n(unsigned short *id, char *buf)
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| 108 | {
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| 109 | int i;
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[1765] | 110 | for (i=0; i < ARRAY_SIZE(llproto_names); i++) {
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[821] | 111 | if (strcasecmp(llproto_names[i].name, buf) == 0) {
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| 112 | *id = htons(llproto_names[i].id);
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| 113 | return 0;
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| 114 | }
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| 115 | }
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| 116 | if (get_u16(id, buf, 0))
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| 117 | return -1;
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| 118 | *id = htons(*id);
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| 119 | return 0;
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| 120 | }
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