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;/*
* Copyright 2010, Intel Corporation
*
* This file is part of PowerTOP
*
* This program file is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program in a file named COPYING; if not, write to the
* Free Software Foundation, Inc,
* 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
* or just google for it.
*
* Authors:
* Arjan van de Ven <arjan@linux.intel.com>
*/
#include "tuning.h"
#include "tunable.h"
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <utility>
#include <iostream>
#include <fstream>
#include <sys/socket.h>
#include <errno.h>
#include <linux/types.h>
#include <net/if.h>
#include <linux/sockios.h>
#include <sys/ioctl.h>
#include <linux/ethtool.h>
#include "../lib.h"
#include "ethernet.h"
extern void create_all_nics(callback fn);
ethernet_tunable::ethernet_tunable(const char *iface) : tunable("", 0.3, _("Good"), _("Bad"), _("Unknown"))
{
memset(interf, 0, sizeof(interf));
pt_strcpy(interf, iface);
sprintf(desc, _("Wake-on-lan status for device %s"), iface);
snprintf(toggle_good, sizeof(toggle_good), "ethtool -s %s wol d;", iface);
}
int ethernet_tunable::good_bad(void)
{
int sock;
struct ifreq ifr;
struct ethtool_wolinfo wol;
int ret;
int result = TUNE_GOOD;
memset(&ifr, 0, sizeof(struct ifreq));
sock = socket(AF_INET, SOCK_DGRAM, 0);
if (sock<0)
return result;
pt_strcpy(ifr.ifr_name, interf);
/* Check if the interf is up */
ret = ioctl(sock, SIOCGIFFLAGS, &ifr);
if (ret<0) {
close(sock);
return result;
}
memset(&wol, 0, sizeof(wol));
wol.cmd = ETHTOOL_GWOL;
ifr.ifr_data = (caddr_t)&wol;
ioctl(sock, SIOCETHTOOL, &ifr);
if (wol.wolopts)
result = TUNE_BAD;
close(sock);
return result;
}
void ethernet_tunable::toggle(void)
{
int sock;
struct ifreq ifr;
struct ethtool_wolinfo wol;
int ret;
memset(&ifr, 0, sizeof(struct ifreq));
sock = socket(AF_INET, SOCK_DGRAM, 0);
if (sock<0)
return;
pt_strcpy(ifr.ifr_name, interf);
/* Check if the interface is up */
ret = ioctl(sock, SIOCGIFFLAGS, &ifr);
if (ret<0) {
close(sock);
return;
}
memset(&wol, 0, sizeof(wol));
wol.cmd = ETHTOOL_GWOL;
ifr.ifr_data = (caddr_t)&wol;
ioctl(sock, SIOCETHTOOL, &ifr);
wol.cmd = ETHTOOL_SWOL;
wol.wolopts = 0;
ioctl(sock, SIOCETHTOOL, &ifr);
close(sock);
}
const char *ethernet_tunable::toggle_script(void)
{
int good;
good = good_bad();
if (good != TUNE_GOOD) {
return toggle_good;
}
return NULL;
}
void ethtunable_callback(const char *d_name)
{
class ethernet_tunable *eth;
if (strcmp(d_name, "lo") == 0)
return;
eth = new(std::nothrow) class ethernet_tunable(d_name);
if (eth)
all_tunables.push_back(eth);
}
void add_ethernet_tunable(void)
{
create_all_nics(ðtunable_callback);
}
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