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11d7087a4e
Update the llproto_names array to allow users to reference the mpls protocol ids with the names 'mpls_uc' for unicast MPLS and 'mpls_mc' for multicast. Signed-off-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David Ahern <dsahern@gmail.com>
118 lines
2.3 KiB
C
118 lines
2.3 KiB
C
/*
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* ll_proto.c
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <string.h>
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#include <linux/netdevice.h>
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#include <linux/if_arp.h>
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#include <linux/sockios.h>
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#include "utils.h"
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#include "rt_names.h"
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#define __PF(f,n) { ETH_P_##f, #n },
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static const struct {
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int id;
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const char *name;
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} llproto_names[] = {
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__PF(LOOP,loop)
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__PF(PUP,pup)
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__PF(PUPAT,pupat)
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__PF(IP,ip)
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__PF(X25,x25)
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__PF(ARP,arp)
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__PF(BPQ,bpq)
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__PF(IEEEPUP,ieeepup)
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__PF(IEEEPUPAT,ieeepupat)
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__PF(DEC,dec)
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__PF(DNA_DL,dna_dl)
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__PF(DNA_RC,dna_rc)
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__PF(DNA_RT,dna_rt)
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__PF(LAT,lat)
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__PF(DIAG,diag)
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__PF(CUST,cust)
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__PF(SCA,sca)
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__PF(RARP,rarp)
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__PF(ATALK,atalk)
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__PF(AARP,aarp)
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__PF(IPX,ipx)
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__PF(IPV6,ipv6)
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__PF(PPP_DISC,ppp_disc)
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__PF(PPP_SES,ppp_ses)
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__PF(ATMMPOA,atmmpoa)
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__PF(ATMFATE,atmfate)
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__PF(802_3,802_3)
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__PF(AX25,ax25)
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__PF(ALL,all)
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__PF(802_2,802_2)
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__PF(SNAP,snap)
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__PF(DDCMP,ddcmp)
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__PF(WAN_PPP,wan_ppp)
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__PF(PPP_MP,ppp_mp)
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__PF(LOCALTALK,localtalk)
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__PF(CAN,can)
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__PF(PPPTALK,ppptalk)
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__PF(TR_802_2,tr_802_2)
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__PF(MOBITEX,mobitex)
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__PF(CONTROL,control)
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__PF(IRDA,irda)
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__PF(ECONET,econet)
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__PF(TIPC,tipc)
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__PF(AOE,aoe)
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__PF(8021Q,802.1Q)
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__PF(8021AD,802.1ad)
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__PF(MPLS_UC,mpls_uc)
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__PF(MPLS_MC,mpls_mc)
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{ 0x8100, "802.1Q" },
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{ 0x88cc, "LLDP" },
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{ ETH_P_IP, "ipv4" },
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};
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#undef __PF
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const char * ll_proto_n2a(unsigned short id, char *buf, int len)
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{
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int i;
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id = ntohs(id);
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for (i=0; !numeric && i<sizeof(llproto_names)/sizeof(llproto_names[0]); i++) {
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if (llproto_names[i].id == id)
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return llproto_names[i].name;
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}
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snprintf(buf, len, "[%d]", id);
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return buf;
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}
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int ll_proto_a2n(unsigned short *id, const char *buf)
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{
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int i;
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for (i=0; i < sizeof(llproto_names)/sizeof(llproto_names[0]); i++) {
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if (strcasecmp(llproto_names[i].name, buf) == 0) {
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*id = htons(llproto_names[i].id);
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return 0;
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}
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}
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if (get_be16(id, buf, 0))
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return -1;
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return 0;
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}
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