source: branches/3.2/mindi-busybox/networking/libiproute/ll_proto.c @ 3232

Last change on this file since 3232 was 3232, checked in by bruno, 5 years ago
  • Update mindi-busybox to 1.21.1
File size: 3.3 KB
Line 
1/* vi: set sw=4 ts=4: */
2/*
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.
7 *
8 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
9 */
10
11#include "libbb.h"
12#include "rt_names.h"
13#include "utils.h"
14
15#include <netinet/if_ether.h>
16
17/* Please conditionalize exotic protocols on CONFIG_something */
18
19static 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)
25#endif
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
61
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)
78#endif
79
800x8100,
81ETH_P_IP
82};
83#undef __PF
84
85/* Keep declarations above and below in sync! */
86
87static const char llproto_names[] =
88#define __PF(f,n) #n "\0"
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
148"802.1Q" "\0"
149"ipv4" "\0"
150;
151#undef __PF
152
153
154const char* FAST_FUNC ll_proto_n2a(unsigned short id, char *buf, int len)
155{
156    unsigned i;
157    id = ntohs(id);
158    for (i = 0; i < ARRAY_SIZE(llproto_ids); i++) {
159        if (llproto_ids[i] == id)
160            return nth_string(llproto_names, i);
161    }
162    snprintf(buf, len, "[%u]", id);
163    return buf;
164}
165
166int FAST_FUNC ll_proto_a2n(unsigned short *id, char *buf)
167{
168    unsigned i;
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;
176    }
177    errno = 0;
178    i = bb_strtou(buf, NULL, 0);
179    if (errno || i > 0xffff)
180        return -1;
181 good:
182    *id = htons(i);
183    return 0;
184}
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