Checkign in new iproute2
[iproute2.git] / lib / ll_proto.c
1 /*
2  * ll_proto.c
3  *
4  *              This program is free software; you can redistribute it and/or
5  *              modify it under the terms of the GNU General Public License
6  *              as published by the Free Software Foundation; either version
7  *              2 of the License, or (at your option) any later version.
8  *
9  * Authors:     Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
10  */
11
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <unistd.h>
15 #include <syslog.h>
16 #include <fcntl.h>
17 #include <sys/ioctl.h>
18 #include <sys/socket.h>
19 #include <sys/ioctl.h>
20 #include <netinet/in.h>
21 #include <arpa/inet.h>
22 #include <string.h>
23
24 #include <linux/netdevice.h>
25 #include <linux/if_arp.h>
26 #include <linux/sockios.h>
27
28 #include "utils.h"
29 #include "rt_names.h"
30
31
32 #define __PF(f,n) { ETH_P_##f, #n },
33 static struct {
34         int id;
35         const char *name;
36 } llproto_names[] = {
37 __PF(LOOP,loop)
38 __PF(PUP,pup)
39 #ifdef ETH_P_PUPAT
40 __PF(PUPAT,pupat)
41 #endif
42 __PF(IP,ip)
43 __PF(X25,x25)
44 __PF(ARP,arp)
45 __PF(BPQ,bpq)
46 #ifdef ETH_P_IEEEPUP
47 __PF(IEEEPUP,ieeepup)
48 #endif
49 #ifdef ETH_P_IEEEPUPAT
50 __PF(IEEEPUPAT,ieeepupat)
51 #endif
52 __PF(DEC,dec)
53 __PF(DNA_DL,dna_dl)
54 __PF(DNA_RC,dna_rc)
55 __PF(DNA_RT,dna_rt)
56 __PF(LAT,lat)
57 __PF(DIAG,diag)
58 __PF(CUST,cust)
59 __PF(SCA,sca)
60 __PF(RARP,rarp)
61 __PF(ATALK,atalk)
62 __PF(AARP,aarp)
63 __PF(IPX,ipx)
64 __PF(IPV6,ipv6)
65 #ifdef ETH_P_PPP_DISC
66 __PF(PPP_DISC,ppp_disc)
67 #endif
68 #ifdef ETH_P_PPP_SES
69 __PF(PPP_SES,ppp_ses)
70 #endif
71 #ifdef ETH_P_ATMMPOA
72 __PF(ATMMPOA,atmmpoa)
73 #endif
74 #ifdef ETH_P_ATMFATE
75 __PF(ATMFATE,atmfate)
76 #endif
77
78 __PF(802_3,802_3)
79 __PF(AX25,ax25)
80 __PF(ALL,all)
81 __PF(802_2,802_2)
82 __PF(SNAP,snap)
83 __PF(DDCMP,ddcmp)
84 __PF(WAN_PPP,wan_ppp)
85 __PF(PPP_MP,ppp_mp)
86 __PF(LOCALTALK,localtalk)
87 __PF(PPPTALK,ppptalk)
88 __PF(TR_802_2,tr_802_2)
89 __PF(MOBITEX,mobitex)
90 __PF(CONTROL,control)
91 __PF(IRDA,irda)
92 #ifdef ETH_P_ECONET
93 __PF(ECONET,econet)
94 #endif
95 __PF(TIPC,tipc)
96 __PF(AOE,aoe)
97 __PF(CAN,can)
98
99 { 0x8100, "802.1Q" },
100 { ETH_P_IP, "ipv4" },
101 };
102 #undef __PF
103
104
105 const char * ll_proto_n2a(unsigned short id, char *buf, int len)
106 {
107         int i;
108
109         id = ntohs(id);
110
111         for (i=0; i<sizeof(llproto_names)/sizeof(llproto_names[0]); i++) {
112                  if (llproto_names[i].id == id)
113                         return llproto_names[i].name;
114         }
115         snprintf(buf, len, "[%d]", id);
116         return buf;
117 }
118
119 int ll_proto_a2n(unsigned short *id, char *buf)
120 {
121         int i;
122         for (i=0; i<sizeof(llproto_names)/sizeof(llproto_names[0]); i++) {
123                  if (strcasecmp(llproto_names[i].name, buf) == 0) {
124                          *id = htons(llproto_names[i].id);
125                          return 0;
126                  }
127         }
128         if (get_u16(id, buf, 0))
129                 return -1;
130         *id = htons(*id);
131         return 0;
132 }