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    Annotation of /trunk/mkinitrd-magellan/busybox/networking/libiproute/ll_proto.c

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    Revision 984 - (hide annotations) (download)
    Sun May 30 11:32:42 2010 UTC (14 years ago) by niro
    File MIME type: text/plain
    File size: 2565 byte(s) 
    -updated to busybox-1.16.1 and enabled blkid/uuid support in default config
    1 niro 532 /* vi: set sw=4 ts=4: */
    2     /*
    3     * ll_proto.c
    4     *
    5     * This program is free software; you can redistribute it and/or
    6     * modify it under the terms of the GNU General Public License
    7     * as published by the Free Software Foundation; either version
    8     * 2 of the License, or (at your option) any later version.
    9     *
    10     * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
    11     */
    12    
    13     #include "libbb.h"
    14     #include "rt_names.h"
    15     #include "utils.h"
    16    
    17     #if defined(__GLIBC__) && __GLIBC__ >=2 && __GLIBC_MINOR__ >= 1
    18     #include <net/ethernet.h>
    19     #else
    20     #include <linux/if_ether.h>
    21     #endif
    22    
    23 niro 816 #if !ENABLE_WERROR
    24     #warning de-bloat
    25     #endif
    26     /* Before re-enabling this, please (1) conditionalize exotic protocols
    27     * on CONFIG_something, and (2) decouple strings and numbers
    28     * (use llproto_ids[] = n,n,n..; and llproto_names[] = "loop\0" "pup\0" ...;)
    29     */
    30    
    31 niro 532 #define __PF(f,n) { ETH_P_##f, #n },
    32     static struct {
    33     int id;
    34 niro 816 const char *name;
    35 niro 532 } llproto_names[] = {
    36     __PF(LOOP,loop)
    37     __PF(PUP,pup)
    38     #ifdef ETH_P_PUPAT
    39     __PF(PUPAT,pupat)
    40     #endif
    41     __PF(IP,ip)
    42     __PF(X25,x25)
    43     __PF(ARP,arp)
    44     __PF(BPQ,bpq)
    45     #ifdef ETH_P_IEEEPUP
    46     __PF(IEEEPUP,ieeepup)
    47     #endif
    48     #ifdef ETH_P_IEEEPUPAT
    49     __PF(IEEEPUPAT,ieeepupat)
    50     #endif
    51     __PF(DEC,dec)
    52     __PF(DNA_DL,dna_dl)
    53     __PF(DNA_RC,dna_rc)
    54     __PF(DNA_RT,dna_rt)
    55     __PF(LAT,lat)
    56     __PF(DIAG,diag)
    57     __PF(CUST,cust)
    58     __PF(SCA,sca)
    59     __PF(RARP,rarp)
    60     __PF(ATALK,atalk)
    61     __PF(AARP,aarp)
    62     __PF(IPX,ipx)
    63     __PF(IPV6,ipv6)
    64     #ifdef ETH_P_PPP_DISC
    65     __PF(PPP_DISC,ppp_disc)
    66     #endif
    67     #ifdef ETH_P_PPP_SES
    68     __PF(PPP_SES,ppp_ses)
    69     #endif
    70     #ifdef ETH_P_ATMMPOA
    71     __PF(ATMMPOA,atmmpoa)
    72     #endif
    73     #ifdef ETH_P_ATMFATE
    74     __PF(ATMFATE,atmfate)
    75     #endif
    76    
    77     __PF(802_3,802_3)
    78     __PF(AX25,ax25)
    79     __PF(ALL,all)
    80     __PF(802_2,802_2)
    81     __PF(SNAP,snap)
    82     __PF(DDCMP,ddcmp)
    83     __PF(WAN_PPP,wan_ppp)
    84     __PF(PPP_MP,ppp_mp)
    85     __PF(LOCALTALK,localtalk)
    86     __PF(PPPTALK,ppptalk)
    87     __PF(TR_802_2,tr_802_2)
    88     __PF(MOBITEX,mobitex)
    89     __PF(CONTROL,control)
    90     __PF(IRDA,irda)
    91     #ifdef ETH_P_ECONET
    92     __PF(ECONET,econet)
    93     #endif
    94    
    95     { 0x8100, "802.1Q" },
    96     { ETH_P_IP, "ipv4" },
    97     };
    98     #undef __PF
    99    
    100    
    101 niro 984 const char* FAST_FUNC ll_proto_n2a(unsigned short id, char *buf, int len)
    102 niro 532 {
    103 niro 816 unsigned i;
    104 niro 532 id = ntohs(id);
    105 niro 816 for (i = 0; i < ARRAY_SIZE(llproto_names); i++) {
    106 niro 532 if (llproto_names[i].id == id)
    107     return llproto_names[i].name;
    108     }
    109     snprintf(buf, len, "[%d]", id);
    110     return buf;
    111     }
    112    
    113 niro 984 int FAST_FUNC ll_proto_a2n(unsigned short *id, char *buf)
    114 niro 532 {
    115 niro 816 unsigned i;
    116     for (i = 0; i < ARRAY_SIZE(llproto_names); i++) {
    117 niro 532 if (strcasecmp(llproto_names[i].name, buf) == 0) {
    118 niro 984 i = llproto_names[i].id;
    119     goto good;
    120 niro 532 }
    121     }
    122 niro 984 i = bb_strtou(buf, NULL, 0);
    123     if (errno || i > 0xffff)
    124 niro 532 return -1;
    125 niro 984 good:
    126     *id = htons(i);
    127 niro 532 return 0;
    128     }
    129 niro 816