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netcfg: Add MAC address to interface dump

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Change-Id: I52b3336a66224c9ae19a4c80cc706890742d4130
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
This commit is contained in:
Dmitry Shmidt 2011-01-24 17:09:32 -08:00
parent 08cdb756be
commit 97186a9c3d
1 changed files with 15 additions and 5 deletions
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20
netcfg/netcfg.c
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@ -20,6 +20,7 @@
#include <errno.h>
#include <dirent.h>
#include <netinet/ether.h>
#include <netinet/if_ether.h>
#include <netutils/ifc.h>
#include <netutils/dhcp.h>
@ -44,13 +45,14 @@ const char *ipaddr(in_addr_t addr)
void usage(void)
{
fprintf(stderr,"usage: netcfg [<interface> {dhcp|up|down}]\n");
exit(1);
exit(1);
}
int dump_interface(const char *name)
{
unsigned addr, mask, flags;
unsigned char hwbuf[ETH_ALEN];
if(ifc_get_info(name, &addr, &mask, &flags)) {
return 0;
}
@ -58,7 +60,15 @@ int dump_interface(const char *name)
printf("%-8s %s ", name, flags & 1 ? "UP " : "DOWN");
printf("%-16s", ipaddr(addr));
printf("%-16s", ipaddr(mask));
printf("0x%08x\n", flags);
printf("0x%08x ", flags);
if (!ifc_get_hwaddr(name, hwbuf)) {
int i;
for(i=0; i < (ETH_ALEN-1); i++)
printf("%02x:", hwbuf[i]);
printf("%02x\n", hwbuf[i]);
} else {
printf("\n");
}
return 0;
}
@ -66,10 +76,10 @@ int dump_interfaces(void)
{
DIR *d;
struct dirent *de;
d = opendir("/sys/class/net");
if(d == 0) return -1;
while((de = readdir(d))) {
if(de->d_name[0] == '.') continue;
dump_interface(de->d_name);