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Diffstat (limited to '')
| -rw-r--r-- | src/tuning/ethernet.cpp | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/tuning/ethernet.cpp b/src/tuning/ethernet.cpp new file mode 100644 index 0000000..5b128d1 --- /dev/null +++ b/src/tuning/ethernet.cpp @@ -0,0 +1,157 @@ +;/* + * 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); +} |