| ;/* |
| * 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 <unistd.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <utility> |
| #include <iostream> |
| #include <fstream> |
| #include <unistd.h> |
| #include <dirent.h> |
| #include <sys/socket.h> |
| #include <errno.h> |
| #include <sys/types.h> |
| #include <dirent.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)); |
| strncpy(interf, iface, sizeof(interf)); |
| sprintf(desc, _("Wake-on-lan status for device %s"), iface); |
| sprintf(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; |
| |
| 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; |
| |
| 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 = 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); |
| } |