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// vim:ts=8:expandtab
#include <string.h>
#include <limits.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "i3status.h"
#if defined(LINUX)
#include <linux/ethtool.h>
#include <linux/sockios.h>
#define PART_ETHSPEED "E: %s (%d Mbit/s)"
#endif
#if defined(__FreeBSD__)
#include <net/if_media.h>
#define IFM_TYPE_MATCH(dt, t) \
(IFM_TYPE((dt)) == 0 || IFM_TYPE((dt)) == IFM_TYPE((t)))
#define PART_ETHSPEED "E: %s (%s)"
struct ifmedia_type_to_subtype {
struct {
struct ifmedia_description *desc;
int alias;
} subtypes[5];
struct {
struct ifmedia_description *desc;
int alias;
} options[3];
struct {
struct ifmedia_description *desc;
int alias;
} modes[3];
};
#endif
/*
* Combines ethernet IP addresses and speed (if requested) for displaying
*
*/
const char *get_eth_info() {
static char part[512];
#if defined(LINUX)
int ethspeed=0;
#elif defined(__FreeBSD__)
char *ethspeed;
#endif
const char *ip_address = get_ip_addr(eth_interface);
if (ip_address == NULL) {
(void)snprintf(part, sizeof(part), "E: down");
return part;
}
if (get_ethspeed) {
#if defined(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;
#elif defined(__FreeBSD__)
struct ifmediareq ifm;
(void)memset(&ifm, 0, sizeof(ifm));
(void)strncpy(ifm.ifm_name, ifaddr->ifa_name, sizeof(ifm.ifm_name));
int ret = ioctl(general_socket, SIOCGIFMEDIA, (caddr_t)&ifm);
/* Get the description of the media type, partially taken from
* FreeBSD's ifconfig */
const struct ifmedia_description *desc;
struct ifmedia_description ifm_subtype_descriptions[] =
IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
for (desc = ifm_subtype_descriptions;
desc->ifmt_string != NULL;
desc++) {
if (IFM_TYPE_MATCH(desc->ifmt_word, ifm.ifm_active) &&
IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(ifm.ifm_active))
break;
}
ethspeed = (desc->ifmt_string != NULL ? desc->ifmt_string : "?");
#endif
}
if (get_ethspeed)
(void)snprintf(part, sizeof(part), PART_ETHSPEED, ip_address, ethspeed);
else (void)snprintf(part, sizeof(part), "E: %s", ip_address);
return part;
}
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