[1765] | 1 | /* vi: set sw=4 ts=4: */
|
---|
[821] | 2 | /*
|
---|
[2725] | 3 | * This program is free software; you can redistribute it and/or
|
---|
| 4 | * modify it under the terms of the GNU General Public License
|
---|
| 5 | * as published by the Free Software Foundation; either version
|
---|
| 6 | * 2 of the License, or (at your option) any later version.
|
---|
[821] | 7 | *
|
---|
[2725] | 8 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
|
---|
[821] | 9 | */
|
---|
| 10 |
|
---|
| 11 | #include "libbb.h"
|
---|
| 12 | #include "rt_names.h"
|
---|
| 13 | #include "utils.h"
|
---|
| 14 |
|
---|
[3232] | 15 | #include <netinet/if_ether.h>
|
---|
| 16 |
|
---|
| 17 | /* Please conditionalize exotic protocols on CONFIG_something */
|
---|
| 18 |
|
---|
| 19 | static const uint16_t llproto_ids[] = {
|
---|
| 20 | #define __PF(f,n) ETH_P_##f,
|
---|
| 21 | __PF(LOOP,loop)
|
---|
| 22 | __PF(PUP,pup)
|
---|
| 23 | #ifdef ETH_P_PUPAT
|
---|
| 24 | __PF(PUPAT,pupat)
|
---|
[821] | 25 | #endif
|
---|
[3232] | 26 | __PF(IP,ip)
|
---|
| 27 | __PF(X25,x25)
|
---|
| 28 | __PF(ARP,arp)
|
---|
| 29 | __PF(BPQ,bpq)
|
---|
| 30 | #ifdef ETH_P_IEEEPUP
|
---|
| 31 | __PF(IEEEPUP,ieeepup)
|
---|
| 32 | #endif
|
---|
| 33 | #ifdef ETH_P_IEEEPUPAT
|
---|
| 34 | __PF(IEEEPUPAT,ieeepupat)
|
---|
| 35 | #endif
|
---|
| 36 | __PF(DEC,dec)
|
---|
| 37 | __PF(DNA_DL,dna_dl)
|
---|
| 38 | __PF(DNA_RC,dna_rc)
|
---|
| 39 | __PF(DNA_RT,dna_rt)
|
---|
| 40 | __PF(LAT,lat)
|
---|
| 41 | __PF(DIAG,diag)
|
---|
| 42 | __PF(CUST,cust)
|
---|
| 43 | __PF(SCA,sca)
|
---|
| 44 | __PF(RARP,rarp)
|
---|
| 45 | __PF(ATALK,atalk)
|
---|
| 46 | __PF(AARP,aarp)
|
---|
| 47 | __PF(IPX,ipx)
|
---|
| 48 | __PF(IPV6,ipv6)
|
---|
| 49 | #ifdef ETH_P_PPP_DISC
|
---|
| 50 | __PF(PPP_DISC,ppp_disc)
|
---|
| 51 | #endif
|
---|
| 52 | #ifdef ETH_P_PPP_SES
|
---|
| 53 | __PF(PPP_SES,ppp_ses)
|
---|
| 54 | #endif
|
---|
| 55 | #ifdef ETH_P_ATMMPOA
|
---|
| 56 | __PF(ATMMPOA,atmmpoa)
|
---|
| 57 | #endif
|
---|
| 58 | #ifdef ETH_P_ATMFATE
|
---|
| 59 | __PF(ATMFATE,atmfate)
|
---|
| 60 | #endif
|
---|
[821] | 61 |
|
---|
[3232] | 62 | __PF(802_3,802_3)
|
---|
| 63 | __PF(AX25,ax25)
|
---|
| 64 | __PF(ALL,all)
|
---|
| 65 | __PF(802_2,802_2)
|
---|
| 66 | __PF(SNAP,snap)
|
---|
| 67 | __PF(DDCMP,ddcmp)
|
---|
| 68 | __PF(WAN_PPP,wan_ppp)
|
---|
| 69 | __PF(PPP_MP,ppp_mp)
|
---|
| 70 | __PF(LOCALTALK,localtalk)
|
---|
| 71 | __PF(PPPTALK,ppptalk)
|
---|
| 72 | __PF(TR_802_2,tr_802_2)
|
---|
| 73 | __PF(MOBITEX,mobitex)
|
---|
| 74 | __PF(CONTROL,control)
|
---|
| 75 | __PF(IRDA,irda)
|
---|
| 76 | #ifdef ETH_P_ECONET
|
---|
| 77 | __PF(ECONET,econet)
|
---|
[2725] | 78 | #endif
|
---|
| 79 |
|
---|
[3232] | 80 | 0x8100,
|
---|
| 81 | ETH_P_IP
|
---|
| 82 | };
|
---|
| 83 | #undef __PF
|
---|
| 84 |
|
---|
| 85 | /* Keep declarations above and below in sync! */
|
---|
| 86 |
|
---|
| 87 | static const char llproto_names[] =
|
---|
| 88 | #define __PF(f,n) #n "\0"
|
---|
[821] | 89 | __PF(LOOP,loop)
|
---|
| 90 | __PF(PUP,pup)
|
---|
| 91 | #ifdef ETH_P_PUPAT
|
---|
| 92 | __PF(PUPAT,pupat)
|
---|
| 93 | #endif
|
---|
| 94 | __PF(IP,ip)
|
---|
| 95 | __PF(X25,x25)
|
---|
| 96 | __PF(ARP,arp)
|
---|
| 97 | __PF(BPQ,bpq)
|
---|
| 98 | #ifdef ETH_P_IEEEPUP
|
---|
| 99 | __PF(IEEEPUP,ieeepup)
|
---|
| 100 | #endif
|
---|
| 101 | #ifdef ETH_P_IEEEPUPAT
|
---|
| 102 | __PF(IEEEPUPAT,ieeepupat)
|
---|
| 103 | #endif
|
---|
| 104 | __PF(DEC,dec)
|
---|
| 105 | __PF(DNA_DL,dna_dl)
|
---|
| 106 | __PF(DNA_RC,dna_rc)
|
---|
| 107 | __PF(DNA_RT,dna_rt)
|
---|
| 108 | __PF(LAT,lat)
|
---|
| 109 | __PF(DIAG,diag)
|
---|
| 110 | __PF(CUST,cust)
|
---|
| 111 | __PF(SCA,sca)
|
---|
| 112 | __PF(RARP,rarp)
|
---|
| 113 | __PF(ATALK,atalk)
|
---|
| 114 | __PF(AARP,aarp)
|
---|
| 115 | __PF(IPX,ipx)
|
---|
| 116 | __PF(IPV6,ipv6)
|
---|
| 117 | #ifdef ETH_P_PPP_DISC
|
---|
| 118 | __PF(PPP_DISC,ppp_disc)
|
---|
| 119 | #endif
|
---|
| 120 | #ifdef ETH_P_PPP_SES
|
---|
| 121 | __PF(PPP_SES,ppp_ses)
|
---|
| 122 | #endif
|
---|
| 123 | #ifdef ETH_P_ATMMPOA
|
---|
| 124 | __PF(ATMMPOA,atmmpoa)
|
---|
| 125 | #endif
|
---|
| 126 | #ifdef ETH_P_ATMFATE
|
---|
| 127 | __PF(ATMFATE,atmfate)
|
---|
| 128 | #endif
|
---|
| 129 |
|
---|
| 130 | __PF(802_3,802_3)
|
---|
| 131 | __PF(AX25,ax25)
|
---|
| 132 | __PF(ALL,all)
|
---|
| 133 | __PF(802_2,802_2)
|
---|
| 134 | __PF(SNAP,snap)
|
---|
| 135 | __PF(DDCMP,ddcmp)
|
---|
| 136 | __PF(WAN_PPP,wan_ppp)
|
---|
| 137 | __PF(PPP_MP,ppp_mp)
|
---|
| 138 | __PF(LOCALTALK,localtalk)
|
---|
| 139 | __PF(PPPTALK,ppptalk)
|
---|
| 140 | __PF(TR_802_2,tr_802_2)
|
---|
| 141 | __PF(MOBITEX,mobitex)
|
---|
| 142 | __PF(CONTROL,control)
|
---|
| 143 | __PF(IRDA,irda)
|
---|
| 144 | #ifdef ETH_P_ECONET
|
---|
| 145 | __PF(ECONET,econet)
|
---|
| 146 | #endif
|
---|
| 147 |
|
---|
[3232] | 148 | "802.1Q" "\0"
|
---|
| 149 | "ipv4" "\0"
|
---|
| 150 | ;
|
---|
[821] | 151 | #undef __PF
|
---|
| 152 |
|
---|
| 153 |
|
---|
[2725] | 154 | const char* FAST_FUNC ll_proto_n2a(unsigned short id, char *buf, int len)
|
---|
[821] | 155 | {
|
---|
[2725] | 156 | unsigned i;
|
---|
[821] | 157 | id = ntohs(id);
|
---|
[3232] | 158 | for (i = 0; i < ARRAY_SIZE(llproto_ids); i++) {
|
---|
| 159 | if (llproto_ids[i] == id)
|
---|
| 160 | return nth_string(llproto_names, i);
|
---|
[821] | 161 | }
|
---|
[3232] | 162 | snprintf(buf, len, "[%u]", id);
|
---|
[821] | 163 | return buf;
|
---|
| 164 | }
|
---|
| 165 |
|
---|
[2725] | 166 | int FAST_FUNC ll_proto_a2n(unsigned short *id, char *buf)
|
---|
[821] | 167 | {
|
---|
[2725] | 168 | unsigned i;
|
---|
[3232] | 169 | const char *name = llproto_names;
|
---|
| 170 | for (i = 0; i < ARRAY_SIZE(llproto_ids); i++) {
|
---|
| 171 | if (strcasecmp(name, buf) == 0) {
|
---|
| 172 | i = llproto_ids[i];
|
---|
| 173 | goto good;
|
---|
| 174 | }
|
---|
| 175 | name += strlen(name) + 1;
|
---|
[821] | 176 | }
|
---|
[3232] | 177 | errno = 0;
|
---|
[2725] | 178 | i = bb_strtou(buf, NULL, 0);
|
---|
| 179 | if (errno || i > 0xffff)
|
---|
[821] | 180 | return -1;
|
---|
[2725] | 181 | good:
|
---|
| 182 | *id = htons(i);
|
---|
[821] | 183 | return 0;
|
---|
| 184 | }
|
---|