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ll_types.c: optimize link type table, make it conditional
on FEATURE_IP_RARE_PROTOCOLS function old new delta static.arphrd_name - 373 +373 static.arphrd_type - 124 +124 ll_type_n2a 58 78 +20 static.arphrd_names 496 - -496 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 1/0 up/down: 517/-496) Total: 21 bytes text data bss dec hex filename 776880 974 9420 787274 c034a busybox_old 776594 974 9420 786988 c022c busybox_unstripped
This commit is contained in:
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15ca51e3e2
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dfc0740b04
@ -463,6 +463,16 @@ config FEATURE_IP_SHORT_FORMS
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Say N unless you desparately need the short form of the ip
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object commands.
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config FEATURE_IP_RARE_PROTOCOLS
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bool "Suport display of rarely-used link types."
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default n
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depends on IP
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help
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If you are not going to use links of type "frad", "econet",
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"bif" etc, you probably don't need to enable this.
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Ethernet, wireless, infrared, ppp/slip, ip tunnelling
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link types are supported without this option selected.
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config IPADDR
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bool
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default y
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@ -62,4 +62,3 @@ lib-$(CONFIG_FEATURE_IP_RULE) += \
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iprule.o \
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rt_names.o \
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utils.o
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@ -173,7 +173,7 @@ static int print_linkinfo(struct sockaddr_nl ATTRIBUTE_UNUSED *who,
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b1, sizeof(b1)), fp);
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}
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if (tb[IFLA_BROADCAST]) {
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if (ifi->ifi_flags&IFF_POINTOPOINT)
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if (ifi->ifi_flags & IFF_POINTOPOINT)
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fprintf(fp, " peer ");
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else
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fprintf(fp, " brd ");
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@ -20,6 +20,12 @@
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#include <linux/if_ether.h>
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#endif
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#ifdef UNUSED
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/* Before re-enabling this, please (1) conditionalize exotic protocols
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* on CONFIG_something, and (2) decouple strings and numbers
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* (use llproto_ids[] = n,n,n..; and llproto_names[] = "loop\0" "pup\0" ...;)
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*/
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#define __PF(f,n) { ETH_P_##f, #n },
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static struct {
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int id;
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@ -90,7 +96,7 @@ __PF(ECONET,econet)
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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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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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@ -118,3 +124,5 @@ int ll_proto_a2n(unsigned short *id, char *buf)
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*id = htons(*id);
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return 0;
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}
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#endif /* UNUSED */
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@ -15,102 +15,184 @@
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#include "libbb.h"
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#include "rt_names.h"
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const char* ll_type_n2a(int type, char *buf, int len)
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const char *ll_type_n2a(int type, char *buf, int len)
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{
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#define __PF(f,n) { ARPHRD_##f, #n },
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static const struct {
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int type;
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const char *name;
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} arphrd_names[] = {
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{ 0, "generic" },
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__PF(ETHER,ether)
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__PF(EETHER,eether)
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__PF(AX25,ax25)
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__PF(PRONET,pronet)
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__PF(CHAOS,chaos)
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static const char arphrd_name[] =
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/* 0, */ "generic" "\0"
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/* ARPHRD_LOOPBACK, */ "loopback" "\0"
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/* ARPHRD_ETHER, */ "ether" "\0"
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#ifdef ARPHRD_IEEE802_TR
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__PF(IEEE802,ieee802)
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/* ARPHRD_IEEE802, */ "ieee802" "\0"
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/* ARPHRD_IEEE802_TR, */ "tr" "\0"
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#else
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__PF(IEEE802,tr)
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#endif
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__PF(ARCNET,arcnet)
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__PF(APPLETLK,atalk)
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__PF(DLCI,dlci)
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#ifdef ARPHRD_ATM
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__PF(ATM,atm)
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#endif
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__PF(METRICOM,metricom)
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#ifdef ARPHRD_IEEE1394
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__PF(IEEE1394,ieee1394)
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#endif
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__PF(SLIP,slip)
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__PF(CSLIP,cslip)
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__PF(SLIP6,slip6)
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__PF(CSLIP6,cslip6)
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__PF(RSRVD,rsrvd)
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__PF(ADAPT,adapt)
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__PF(ROSE,rose)
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__PF(X25,x25)
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#ifdef ARPHRD_HWX25
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__PF(HWX25,hwx25)
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#endif
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__PF(PPP,ppp)
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__PF(HDLC,hdlc)
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__PF(LAPB,lapb)
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#ifdef ARPHRD_DDCMP
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__PF(DDCMP,ddcmp)
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__PF(RAWHDLC,rawhdlc)
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#endif
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__PF(TUNNEL,ipip)
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__PF(TUNNEL6,tunnel6)
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__PF(FRAD,frad)
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__PF(SKIP,skip)
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__PF(LOOPBACK,loopback)
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__PF(LOCALTLK,ltalk)
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__PF(FDDI,fddi)
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__PF(BIF,bif)
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__PF(SIT,sit)
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__PF(IPDDP,ip/ddp)
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__PF(IPGRE,gre)
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__PF(PIMREG,pimreg)
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__PF(HIPPI,hippi)
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__PF(ASH,ash)
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__PF(ECONET,econet)
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__PF(IRDA,irda)
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__PF(FCPP,fcpp)
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__PF(FCAL,fcal)
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__PF(FCPL,fcpl)
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__PF(FCFABRIC,fcfb0)
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__PF(FCFABRIC+1,fcfb1)
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__PF(FCFABRIC+2,fcfb2)
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__PF(FCFABRIC+3,fcfb3)
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__PF(FCFABRIC+4,fcfb4)
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__PF(FCFABRIC+5,fcfb5)
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__PF(FCFABRIC+6,fcfb6)
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__PF(FCFABRIC+7,fcfb7)
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__PF(FCFABRIC+8,fcfb8)
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__PF(FCFABRIC+9,fcfb9)
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__PF(FCFABRIC+10,fcfb10)
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__PF(FCFABRIC+11,fcfb11)
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__PF(FCFABRIC+12,fcfb12)
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#ifdef ARPHRD_IEEE802_TR
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__PF(IEEE802_TR,tr)
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/* ARPHRD_IEEE802, */ "tr" "\0"
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#endif
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#ifdef ARPHRD_IEEE80211
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__PF(IEEE80211,ieee802.11)
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/* ARPHRD_IEEE80211, */ "ieee802.11" "\0"
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#endif
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#ifdef ARPHRD_IEEE1394
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/* ARPHRD_IEEE1394, */ "ieee1394" "\0"
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#endif
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/* ARPHRD_IRDA, */ "irda" "\0"
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/* ARPHRD_SLIP, */ "slip" "\0"
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/* ARPHRD_CSLIP, */ "cslip" "\0"
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/* ARPHRD_SLIP6, */ "slip6" "\0"
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/* ARPHRD_CSLIP6, */ "cslip6" "\0"
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/* ARPHRD_PPP, */ "ppp" "\0"
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/* ARPHRD_TUNNEL, */ "ipip" "\0"
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/* ARPHRD_TUNNEL6, */ "tunnel6" "\0"
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/* ARPHRD_SIT, */ "sit" "\0"
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/* ARPHRD_IPGRE, */ "gre" "\0"
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#ifdef ARPHRD_VOID
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__PF(VOID,void)
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/* ARPHRD_VOID, */ "void" "\0"
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#endif
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};
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#undef __PF
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#if ENABLE_FEATURE_IP_RARE_PROTOCOLS
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/* ARPHRD_EETHER, */ "eether" "\0"
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/* ARPHRD_AX25, */ "ax25" "\0"
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/* ARPHRD_PRONET, */ "pronet" "\0"
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/* ARPHRD_CHAOS, */ "chaos" "\0"
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/* ARPHRD_ARCNET, */ "arcnet" "\0"
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/* ARPHRD_APPLETLK, */ "atalk" "\0"
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/* ARPHRD_DLCI, */ "dlci" "\0"
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#ifdef ARPHRD_ATM
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/* ARPHRD_ATM, */ "atm" "\0"
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#endif
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/* ARPHRD_METRICOM, */ "metricom" "\0"
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/* ARPHRD_RSRVD, */ "rsrvd" "\0"
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/* ARPHRD_ADAPT, */ "adapt" "\0"
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/* ARPHRD_ROSE, */ "rose" "\0"
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/* ARPHRD_X25, */ "x25" "\0"
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#ifdef ARPHRD_HWX25
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/* ARPHRD_HWX25, */ "hwx25" "\0"
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#endif
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/* ARPHRD_HDLC, */ "hdlc" "\0"
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/* ARPHRD_LAPB, */ "lapb" "\0"
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#ifdef ARPHRD_DDCMP
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/* ARPHRD_DDCMP, */ "ddcmp" "\0"
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/* ARPHRD_RAWHDLC, */ "rawhdlc" "\0"
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#endif
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/* ARPHRD_FRAD, */ "frad" "\0"
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/* ARPHRD_SKIP, */ "skip" "\0"
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/* ARPHRD_LOCALTLK, */ "ltalk" "\0"
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/* ARPHRD_FDDI, */ "fddi" "\0"
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/* ARPHRD_BIF, */ "bif" "\0"
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/* ARPHRD_IPDDP, */ "ip/ddp" "\0"
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/* ARPHRD_PIMREG, */ "pimreg" "\0"
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/* ARPHRD_HIPPI, */ "hippi" "\0"
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/* ARPHRD_ASH, */ "ash" "\0"
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/* ARPHRD_ECONET, */ "econet" "\0"
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/* ARPHRD_FCPP, */ "fcpp" "\0"
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/* ARPHRD_FCAL, */ "fcal" "\0"
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/* ARPHRD_FCPL, */ "fcpl" "\0"
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/* ARPHRD_FCFABRIC, */ "fcfb0" "\0"
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/* ARPHRD_FCFABRIC+1, */ "fcfb1" "\0"
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/* ARPHRD_FCFABRIC+2, */ "fcfb2" "\0"
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/* ARPHRD_FCFABRIC+3, */ "fcfb3" "\0"
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/* ARPHRD_FCFABRIC+4, */ "fcfb4" "\0"
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/* ARPHRD_FCFABRIC+5, */ "fcfb5" "\0"
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/* ARPHRD_FCFABRIC+6, */ "fcfb6" "\0"
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/* ARPHRD_FCFABRIC+7, */ "fcfb7" "\0"
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/* ARPHRD_FCFABRIC+8, */ "fcfb8" "\0"
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/* ARPHRD_FCFABRIC+9, */ "fcfb9" "\0"
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/* ARPHRD_FCFABRIC+10, */ "fcfb10" "\0"
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/* ARPHRD_FCFABRIC+11, */ "fcfb11" "\0"
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/* ARPHRD_FCFABRIC+12, */ "fcfb12" "\0"
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#endif /* FEATURE_IP_RARE_PROTOCOLS */
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;
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/* Keep these arrays in sync! */
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static const uint16_t arphrd_type[] = {
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0, /* "generic" "\0" */
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ARPHRD_LOOPBACK, /* "loopback" "\0" */
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ARPHRD_ETHER, /* "ether" "\0" */
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#ifdef ARPHRD_IEEE802_TR
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ARPHRD_IEEE802, /* "ieee802" "\0" */
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ARPHRD_IEEE802_TR, /* "tr" "\0" */
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#else
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ARPHRD_IEEE802, /* "tr" "\0" */
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#endif
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#ifdef ARPHRD_IEEE80211
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ARPHRD_IEEE80211, /* "ieee802.11" "\0" */
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#endif
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#ifdef ARPHRD_IEEE1394
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ARPHRD_IEEE1394, /* "ieee1394" "\0" */
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#endif
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ARPHRD_IRDA, /* "irda" "\0" */
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ARPHRD_SLIP, /* "slip" "\0" */
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ARPHRD_CSLIP, /* "cslip" "\0" */
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ARPHRD_SLIP6, /* "slip6" "\0" */
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ARPHRD_CSLIP6, /* "cslip6" "\0" */
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ARPHRD_PPP, /* "ppp" "\0" */
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ARPHRD_TUNNEL, /* "ipip" "\0" */
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ARPHRD_TUNNEL6, /* "tunnel6" "\0" */
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ARPHRD_SIT, /* "sit" "\0" */
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ARPHRD_IPGRE, /* "gre" "\0" */
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#ifdef ARPHRD_VOID
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ARPHRD_VOID, /* "void" "\0" */
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#endif
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#if ENABLE_FEATURE_IP_RARE_PROTOCOLS
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ARPHRD_EETHER, /* "eether" "\0" */
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ARPHRD_AX25, /* "ax25" "\0" */
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ARPHRD_PRONET, /* "pronet" "\0" */
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ARPHRD_CHAOS, /* "chaos" "\0" */
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ARPHRD_ARCNET, /* "arcnet" "\0" */
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ARPHRD_APPLETLK, /* "atalk" "\0" */
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ARPHRD_DLCI, /* "dlci" "\0" */
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#ifdef ARPHRD_ATM
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ARPHRD_ATM, /* "atm" "\0" */
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#endif
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ARPHRD_METRICOM, /* "metricom" "\0" */
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ARPHRD_RSRVD, /* "rsrvd" "\0" */
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ARPHRD_ADAPT, /* "adapt" "\0" */
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ARPHRD_ROSE, /* "rose" "\0" */
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ARPHRD_X25, /* "x25" "\0" */
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#ifdef ARPHRD_HWX25
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ARPHRD_HWX25, /* "hwx25" "\0" */
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#endif
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ARPHRD_HDLC, /* "hdlc" "\0" */
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ARPHRD_LAPB, /* "lapb" "\0" */
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#ifdef ARPHRD_DDCMP
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ARPHRD_DDCMP, /* "ddcmp" "\0" */
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ARPHRD_RAWHDLC, /* "rawhdlc" "\0" */
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#endif
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ARPHRD_FRAD, /* "frad" "\0" */
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ARPHRD_SKIP, /* "skip" "\0" */
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ARPHRD_LOCALTLK, /* "ltalk" "\0" */
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ARPHRD_FDDI, /* "fddi" "\0" */
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ARPHRD_BIF, /* "bif" "\0" */
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ARPHRD_IPDDP, /* "ip/ddp" "\0" */
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ARPHRD_PIMREG, /* "pimreg" "\0" */
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ARPHRD_HIPPI, /* "hippi" "\0" */
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ARPHRD_ASH, /* "ash" "\0" */
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ARPHRD_ECONET, /* "econet" "\0" */
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ARPHRD_FCPP, /* "fcpp" "\0" */
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ARPHRD_FCAL, /* "fcal" "\0" */
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ARPHRD_FCPL, /* "fcpl" "\0" */
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ARPHRD_FCFABRIC, /* "fcfb0" "\0" */
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ARPHRD_FCFABRIC+1, /* "fcfb1" "\0" */
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ARPHRD_FCFABRIC+2, /* "fcfb2" "\0" */
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ARPHRD_FCFABRIC+3, /* "fcfb3" "\0" */
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ARPHRD_FCFABRIC+4, /* "fcfb4" "\0" */
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ARPHRD_FCFABRIC+5, /* "fcfb5" "\0" */
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ARPHRD_FCFABRIC+6, /* "fcfb6" "\0" */
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ARPHRD_FCFABRIC+7, /* "fcfb7" "\0" */
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ARPHRD_FCFABRIC+8, /* "fcfb8" "\0" */
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ARPHRD_FCFABRIC+9, /* "fcfb9" "\0" */
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ARPHRD_FCFABRIC+10, /* "fcfb10" "\0" */
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ARPHRD_FCFABRIC+11, /* "fcfb11" "\0" */
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ARPHRD_FCFABRIC+12, /* "fcfb12" "\0" */
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#endif /* FEATURE_IP_RARE_PROTOCOLS */
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};
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int i;
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for (i = 0; i < ARRAY_SIZE(arphrd_names); i++) {
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if (arphrd_names[i].type == type)
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return arphrd_names[i].name;
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const char *aname = arphrd_name;
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for (i = 0; i < ARRAY_SIZE(arphrd_type); i++) {
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if (arphrd_type[i] == type)
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return aname;
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aname += strlen(aname) + 1;
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}
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snprintf(buf, len, "[%d]", type);
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return buf;
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@ -22,7 +22,9 @@ extern const char* ll_addr_n2a(unsigned char *addr, int alen, int type,
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char *buf, int blen);
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extern int ll_addr_a2n(unsigned char *lladdr, int len, char *arg);
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#ifdef UNUSED
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extern const char* ll_proto_n2a(unsigned short id, char *buf, int len);
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extern int ll_proto_a2n(unsigned short *id, char *buf);
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#endif
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#endif
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