Patch from Denis Vlasenko to constify things and fix a few typos.
[oweals/busybox.git] / networking / libiproute / ll_proto.c
index 23ac595d22ed33b5025b402a51f3d3a54be7b4cb..873253050d2832e0f7dde468ef0ff5209ebe530b 100644 (file)
 #include <string.h>
 #include "utils.h"
 
-/* Stuff swiped from linux/if_arp.h */
-#define ETH_P_LOOP     0x0060          /* Ethernet Loopback packet     */
-#define ETH_P_PUP      0x0200          /* Xerox PUP packet             */
-#define ETH_P_PUPAT    0x0201          /* Xerox PUP Addr Trans packet  */
-#define ETH_P_IP       0x0800          /* Internet Protocol packet     */
-#define ETH_P_X25      0x0805          /* CCITT X.25                   */
-#define ETH_P_ARP      0x0806          /* Address Resolution packet    */
-#define        ETH_P_BPQ       0x08FF          /* G8BPQ AX.25 Ethernet Packet  [ NOT AN OFFICIALLY REGISTERED ID ] */
-#define ETH_P_IEEEPUP  0x0a00          /* Xerox IEEE802.3 PUP packet */
-#define ETH_P_IEEEPUPAT        0x0a01          /* Xerox IEEE802.3 PUP Addr Trans packet */
-#define ETH_P_DEC       0x6000          /* DEC Assigned proto           */
-#define ETH_P_DNA_DL    0x6001          /* DEC DNA Dump/Load            */
-#define ETH_P_DNA_RC    0x6002          /* DEC DNA Remote Console       */
-#define ETH_P_DNA_RT    0x6003          /* DEC DNA Routing              */
-#define ETH_P_LAT       0x6004          /* DEC LAT                      */
-#define ETH_P_DIAG      0x6005          /* DEC Diagnostics              */
-#define ETH_P_CUST      0x6006          /* DEC Customer use             */
-#define ETH_P_SCA       0x6007          /* DEC Systems Comms Arch       */
-#define ETH_P_RARP      0x8035         /* Reverse Addr Res packet      */
-#define ETH_P_ATALK    0x809B          /* Appletalk DDP                */
-#define ETH_P_AARP     0x80F3          /* Appletalk AARP               */
-#define ETH_P_8021Q    0x8100          /* 802.1Q VLAN Extended Header  */
-#define ETH_P_IPX      0x8137          /* IPX over DIX                 */
-#define ETH_P_IPV6     0x86DD          /* IPv6 over bluebook           */
-#define ETH_P_PPP_DISC 0x8863          /* PPPoE discovery messages     */
-#define ETH_P_PPP_SES  0x8864          /* PPPoE session messages       */
-#define ETH_P_ATMMPOA  0x884c          /* MultiProtocol Over ATM       */
-#define ETH_P_ATMFATE  0x8884          /* Frame-based ATM Transport over Ethernet */
-#define ETH_P_EDP2     0x88A2          /* Coraid EDP2                  */
-#define ETH_P_802_3    0x0001          /* Dummy type for 802.3 frames  */
-#define ETH_P_AX25     0x0002          /* Dummy protocol id for AX.25  */
-#define ETH_P_ALL      0x0003          /* Every packet (be careful!!!) */
-#define ETH_P_802_2    0x0004          /* 802.2 frames                 */
-#define ETH_P_SNAP     0x0005          /* Internal only                */
-#define ETH_P_DDCMP     0x0006          /* DEC DDCMP: Internal only     */
-#define ETH_P_WAN_PPP   0x0007          /* Dummy type for WAN PPP frames*/
-#define ETH_P_PPP_MP    0x0008          /* Dummy type for PPP MP frames */
-#define ETH_P_LOCALTALK 0x0009         /* Localtalk pseudo type        */
-#define ETH_P_PPPTALK  0x0010          /* Dummy type for Atalk over PPP*/
-#define ETH_P_TR_802_2 0x0011          /* 802.2 frames                 */
-#define ETH_P_MOBITEX  0x0015          /* Mobitex (kaz@cafe.net)       */
-#define ETH_P_CONTROL  0x0016          /* Card specific control frames */
-#define ETH_P_IRDA     0x0017          /* Linux-IrDA                   */
-#define ETH_P_ECONET   0x0018          /* Acorn Econet                 */
-#define ETH_P_HDLC     0x0019          /* HDLC frames                  */
-
+#if __GLIBC__ >=2 && __GLIBC_MINOR >= 1
+#include <net/ethernet.h>
+#else
+#include <linux/if_ether.h>
+#endif
 
 #define __PF(f,n) { ETH_P_##f, #n },
 static struct {
@@ -67,62 +26,62 @@ static struct {
        char *name;
 } llproto_names[] = {
 __PF(LOOP,loop)
-__PF(PUP,pup)  
+__PF(PUP,pup)
 #ifdef ETH_P_PUPAT
-__PF(PUPAT,pupat)     
+__PF(PUPAT,pupat)
 #endif
 __PF(IP,ip)
 __PF(X25,x25)
 __PF(ARP,arp)
 __PF(BPQ,bpq)
 #ifdef ETH_P_IEEEPUP
-__PF(IEEEPUP,ieeepup)  
+__PF(IEEEPUP,ieeepup)
 #endif
 #ifdef ETH_P_IEEEPUPAT
-__PF(IEEEPUPAT,ieeepupat)  
+__PF(IEEEPUPAT,ieeepupat)
 #endif
-__PF(DEC,dec)       
-__PF(DNA_DL,dna_dl)    
-__PF(DNA_RC,dna_rc)    
-__PF(DNA_RT,dna_rt)    
-__PF(LAT,lat)       
-__PF(DIAG,diag)      
-__PF(CUST,cust)      
-__PF(SCA,sca)       
-__PF(RARP,rarp)      
-__PF(ATALK,atalk)     
-__PF(AARP,aarp)      
-__PF(IPX,ipx)       
-__PF(IPV6,ipv6)      
+__PF(DEC,dec)
+__PF(DNA_DL,dna_dl)
+__PF(DNA_RC,dna_rc)
+__PF(DNA_RT,dna_rt)
+__PF(LAT,lat)
+__PF(DIAG,diag)
+__PF(CUST,cust)
+__PF(SCA,sca)
+__PF(RARP,rarp)
+__PF(ATALK,atalk)
+__PF(AARP,aarp)
+__PF(IPX,ipx)
+__PF(IPV6,ipv6)
 #ifdef ETH_P_PPP_DISC
-__PF(PPP_DISC,ppp_disc)      
+__PF(PPP_DISC,ppp_disc)
 #endif
 #ifdef ETH_P_PPP_SES
-__PF(PPP_SES,ppp_ses)      
+__PF(PPP_SES,ppp_ses)
 #endif
 #ifdef ETH_P_ATMMPOA
-__PF(ATMMPOA,atmmpoa)      
+__PF(ATMMPOA,atmmpoa)
 #endif
 #ifdef ETH_P_ATMFATE
-__PF(ATMFATE,atmfate)      
+__PF(ATMFATE,atmfate)
 #endif
 
-__PF(802_3,802_3)     
-__PF(AX25,ax25)      
-__PF(ALL,all)       
-__PF(802_2,802_2)     
-__PF(SNAP,snap)      
-__PF(DDCMP,ddcmp)     
-__PF(WAN_PPP,wan_ppp)   
-__PF(PPP_MP,ppp_mp)    
-__PF(LOCALTALK,localtalk) 
-__PF(PPPTALK,ppptalk)   
-__PF(TR_802_2,tr_802_2)  
-__PF(MOBITEX,mobitex)   
-__PF(CONTROL,control)   
-__PF(IRDA,irda)      
+__PF(802_3,802_3)
+__PF(AX25,ax25)
+__PF(ALL,all)
+__PF(802_2,802_2)
+__PF(SNAP,snap)
+__PF(DDCMP,ddcmp)
+__PF(WAN_PPP,wan_ppp)
+__PF(PPP_MP,ppp_mp)
+__PF(LOCALTALK,localtalk)
+__PF(PPPTALK,ppptalk)
+__PF(TR_802_2,tr_802_2)
+__PF(MOBITEX,mobitex)
+__PF(CONTROL,control)
+__PF(IRDA,irda)
 #ifdef ETH_P_ECONET
-__PF(ECONET,econet)      
+__PF(ECONET,econet)
 #endif
 
 { 0x8100, "802.1Q" },
@@ -131,25 +90,25 @@ __PF(ECONET,econet)
 #undef __PF
 
 
-char * ll_proto_n2a(unsigned short id, char *buf, int len)
+const char * ll_proto_n2a(unsigned short id, char *buf, int len)
 {
-        int i;
+       int i;
 
        id = ntohs(id);
 
-        for (i=0; i<sizeof(llproto_names)/sizeof(llproto_names[0]); i++) {
-                 if (llproto_names[i].id == id)
+       for (i=0; i<sizeof(llproto_names)/sizeof(llproto_names[0]); i++) {
+                if (llproto_names[i].id == id)
                        return llproto_names[i].name;
        }
-        snprintf(buf, len, "[%d]", id);
-        return buf;
+       snprintf(buf, len, "[%d]", id);
+       return buf;
 }
 
 int ll_proto_a2n(unsigned short *id, char *buf)
 {
-        int i;
-        for (i=0; i<sizeof(llproto_names)/sizeof(llproto_names[0]); i++) {
-                 if (strcasecmp(llproto_names[i].name, buf) == 0) {
+       int i;
+       for (i=0; i<sizeof(llproto_names)/sizeof(llproto_names[0]); i++) {
+                if (strcasecmp(llproto_names[i].name, buf) == 0) {
                         *id = htons(llproto_names[i].id);
                         return 0;
                 }