u32 ethtool_bitrate(const char *ifname)
{
int ret, sock, bitrate;
struct ifreq ifr;
struct ethtool_cmd ecmd;
sock = af_socket(AF_INET);
memset(&ecmd, 0, sizeof(ecmd));
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ecmd.cmd = ETHTOOL_GSET;
ifr.ifr_data = (char *) &ecmd;
ret = ioctl(sock, SIOCETHTOOL, &ifr);
if (ret) {
bitrate = 0;
goto out;
}
bitrate = ethtool_cmd_speed(&ecmd);
if (bitrate == SPEED_UNKNOWN)
bitrate = 0;
out:
close(sock);
return bitrate;
}
int device_address(const char *ifname, int af, struct sockaddr_storage *ss)
{
int ret, sock;
struct ifreq ifr;
if (unlikely(!ss))
return -EINVAL;
if (!strncmp("any", ifname, strlen("any")))
return -EINVAL;
if (af == AF_INET6)
return __device_address6(ifname, ss);
sock = af_socket(af);
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ifr.ifr_addr.sa_family = af;
ret = ioctl(sock, SIOCGIFADDR, &ifr);
if (likely(!ret))
memcpy(ss, &ifr.ifr_addr, sizeof(ifr.ifr_addr));
close(sock);
return ret;
}
int ethtool_link(const char *ifname)
{
int ret, sock;
struct ifreq ifr;
struct ethtool_value ecmd;
sock = af_socket(AF_INET);
memset(&ecmd, 0, sizeof(ecmd));
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ecmd.cmd = ETHTOOL_GLINK;
ifr.ifr_data = (char *) &ecmd;
ret = ioctl(sock, SIOCETHTOOL, &ifr);
if (ret)
ret = -EINVAL;
else
ret = !!ecmd.data;
close(sock);
return ret;
}
int wireless_rangemax_sigqual(const char *ifname)
{
int ret, sock, sigqual;
struct iwreq iwr;
struct iw_range iwrange;
sock = af_socket(AF_INET);
memset(&iwrange, 0, sizeof(iwrange));
memset(&iwr, 0, sizeof(iwr));
strlcpy(iwr.ifr_name, ifname, IFNAMSIZ);
iwr.u.data.pointer = (caddr_t) &iwrange;
iwr.u.data.length = sizeof(iwrange);
iwr.u.data.flags = 0;
ret = ioctl(sock, SIOCGIWRANGE, &iwr);
if (!ret)
sigqual = iwrange.max_qual.qual;
else
sigqual = 0;
close(sock);
return sigqual;
}
int ethtool_bitrate(const char *ifname)
{
int ret, sock, bitrate;
struct ifreq ifr;
struct ethtool_cmd ecmd;
sock = af_socket(AF_INET);
memset(&ecmd, 0, sizeof(ecmd));
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ecmd.cmd = ETHTOOL_GSET;
ifr.ifr_data = (char *) &ecmd;
ret = ioctl(sock, SIOCETHTOOL, &ifr);
if (ret) {
bitrate = 0;
goto out;
}
switch (ecmd.speed) {
case SPEED_10:
case SPEED_100:
case SPEED_1000:
case SPEED_10000:
bitrate = ecmd.speed;
break;
default:
bitrate = 0;
break;
};
out:
close(sock);
return bitrate;
}
void device_set_flags(const char *ifname, const short flags)
{
int ret, sock;
struct ifreq ifr;
sock = af_socket(AF_INET);
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ifr.ifr_flags = flags;
ret = ioctl(sock, SIOCSIFFLAGS, &ifr);
if (ret < 0)
panic("Cannot set NIC flags!\n");
close(sock);
}
int ethtool_drvinf(const char *ifname, struct ethtool_drvinfo *drvinf)
{
int ret, sock;
struct ifreq ifr;
sock = af_socket(AF_INET);
memset(drvinf, 0, sizeof(*drvinf));
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
drvinf->cmd = ETHTOOL_GDRVINFO;
ifr.ifr_data = (char *) drvinf;
ret = ioctl(sock, SIOCETHTOOL, &ifr);
close(sock);
return ret;
}
int wireless_sigqual(const char *ifname, struct iw_statistics *stats)
{
int ret, sock;
struct iwreq iwr;
sock = af_socket(AF_INET);
memset(&iwr, 0, sizeof(iwr));
strlcpy(iwr.ifr_name, ifname, IFNAMSIZ);
iwr.u.data.pointer = (caddr_t) stats;
iwr.u.data.length = sizeof(*stats);
iwr.u.data.flags = 1;
ret = ioctl(sock, SIOCGIWSTATS, &iwr);
close(sock);
return ret;
}
int wireless_bitrate(const char *ifname)
{
int sock, ret, rate_in_mbit;
struct iwreq iwr;
sock = af_socket(AF_INET);
memset(&iwr, 0, sizeof(iwr));
strlcpy(iwr.ifr_name, ifname, IFNAMSIZ);
ret = ioctl(sock, SIOCGIWRATE, &iwr);
if (!ret)
rate_in_mbit = iwr.u.bitrate.value / 1000000;
else
rate_in_mbit = 0;
close(sock);
return rate_in_mbit;
}
int device_mtu(const char *ifname)
{
int ret, sock, mtu;
struct ifreq ifr;
sock = af_socket(AF_INET);
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ret = ioctl(sock, SIOCGIFMTU, &ifr);
if (!ret)
mtu = ifr.ifr_mtu;
else
mtu = 0;
close(sock);
return mtu;
}
int device_ifindex(const char *ifname)
{
int ret, sock, index;
struct ifreq ifr;
if (!strncmp("any", ifname, strlen("any")))
return 0;
sock = af_socket(AF_INET);
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ret = ioctl(sock, SIOCGIFINDEX, &ifr);
if (!ret)
index = ifr.ifr_ifindex;
else
index = -1;
close(sock);
return index;
}
short device_get_flags(const char *ifname)
{
/* Really, it's short! Look at struct ifreq */
short flags;
int ret, sock;
struct ifreq ifr;
sock = af_socket(AF_INET);
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ret = ioctl(sock, SIOCGIFFLAGS, &ifr);
if (!ret)
flags = ifr.ifr_flags;
else
flags = 0;
close(sock);
return flags;
}
int wireless_essid(const char *ifname, char *essid)
{
int ret, sock, essid_len;
struct iwreq iwr;
sock = af_socket(AF_INET);
memset(&iwr, 0, sizeof(iwr));
strlcpy(iwr.ifr_name, ifname, IFNAMSIZ);
iwr.u.essid.pointer = essid;
iwr.u.essid.length = IW_ESSID_MAX_SIZE;
ret = ioctl(sock, SIOCGIWESSID, &iwr);
if (!ret)
essid_len = iwr.u.essid.length;
else
essid_len = 0;
close(sock);
return essid_len;
}
short device_get_flags(const char *ifname)
{
short flags = 0;
int ret, sock;
struct ifreq ifr;
sock = af_socket(AF_INET);
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ret = ioctl(sock, SIOCGIFFLAGS, &ifr);
if (likely(!ret))
flags = ifr.ifr_flags;
close(sock);
return flags;
}
int wireless_tx_power(const char *ifname)
{
int ret, sock, tx_power;
struct iwreq iwr;
sock = af_socket(AF_INET);
memset(&iwr, 0, sizeof(iwr));
strlcpy(iwr.ifr_name, ifname, IFNAMSIZ);
ret = ioctl(sock, SIOCGIWTXPOW, &iwr);
if (!ret)
tx_power = iwr.u.txpower.value;
else
tx_power = 0;
close(sock);
return ret;
}
int device_type(const char *ifname)
{
int ret, sock, type;
struct ifreq ifr;
if (!strncmp("any", ifname, strlen("any")))
return ARPHRD_ETHER;
sock = af_socket(AF_INET);
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ret = ioctl(sock, SIOCGIFHWADDR, &ifr);
if (unlikely(ret))
panic("Cannot get iftype from device!\n");
/* dev->type */
type = ifr.ifr_hwaddr.sa_family;
close(sock);
return type;
}
int device_hw_address(const char *ifname, uint8_t *addr, size_t len)
{
int ret, sock;
struct ifreq ifr;
if (!addr)
return -EINVAL;
if (len < IFHWADDRLEN)
return -ENOSPC;
if (!strncmp("any", ifname, strlen("any")))
return -EINVAL;
sock = af_socket(AF_INET);
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ret = ioctl(sock, SIOCGIFHWADDR, &ifr);
if (!ret)
memcpy(addr, &ifr.ifr_hwaddr.sa_data[0], IFHWADDRLEN);
close(sock);
return ret;
}
