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#include <string.h>
#include <limits.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <net/if.h>
#ifdef LINUX
#include <linux/ethtool.h>
#include <linux/sockios.h>
#endif
#include "i3status.h"
/*
* Combines ethernet IP addresses and speed (if requested) for displaying
*
*/
const char *get_eth_info() {
static char part[512];
const char *ip_address = get_ip_addr(eth_interface);
int ethspeed = 0;
if (get_ethspeed) {
#ifdef LINUX
/* This code path requires root privileges */
struct ifreq ifr;
struct ethtool_cmd ecmd;
ecmd.cmd = ETHTOOL_GSET;
(void)memset(&ifr, 0, sizeof(ifr));
ifr.ifr_data = (caddr_t)&ecmd;
(void)strcpy(ifr.ifr_name, eth_interface);
if (ioctl(general_socket, SIOCETHTOOL, &ifr) == 0)
ethspeed = (ecmd.speed == USHRT_MAX ? 0 : ecmd.speed);
else get_ethspeed = false;
#endif
}
if (ip_address == NULL)
(void)snprintf(part, sizeof(part), "E: down");
else {
if (get_ethspeed)
(void)snprintf(part, sizeof(part), "E: %s (%d Mbit/s)", ip_address, ethspeed);
else (void)snprintf(part, sizeof(part), "E: %s", ip_address);
}
return part;
}
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