int dhcp ( struct net_device *netdev ) {
uint8_t *chaddr;
uint8_t hlen;
uint16_t flags;
int rc;
/* Check we can open the interface first */
if ( ( rc = ifopen ( netdev ) ) != 0 )
return rc;
/* Wait for link-up */
if ( ( rc = iflinkwait ( netdev, LINK_WAIT_MS ) ) != 0 )
return rc;
/* Perform DHCP */
chaddr = dhcp_chaddr ( netdev, &hlen, &flags );
printf ( "DHCP (%s ", netdev->name );
while ( hlen-- )
printf ( "%02x%c", *(chaddr++), ( hlen ? ':' : ')' ) );
if ( ( rc = start_dhcp ( &monojob, netdev ) ) == 0 ) {
rc = monojob_wait ( "" );
} else if ( rc > 0 ) {
printf ( " using cached\n" );
rc = 0;
}
return rc;
}
int dhcp ( struct net_device *netdev ) {
int rc;
/* Check we can open the interface first */
if ( ( rc = ifopen ( netdev ) ) != 0 )
return rc;
/* Wait for link-up */
if ( ( rc = iflinkwait ( netdev, LINK_WAIT_MS ) ) != 0 )
return rc;
/* Perform DHCP */
printf ( "DHCP (%s %s)", netdev->name,
netdev->ll_protocol->ntoa ( netdev->ll_addr ) );
if ( ( rc = start_dhcp ( &monojob, netdev ) ) == 0 )
rc = monojob_wait ( "" );
return rc;
}
