1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright (C) 2013 Tom Gundersen <teg@jklm.no>
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/ioctl.h>
24 #include <linux/ethtool.h>
25 #include <linux/sockios.h>
27 #include "ethtool-util.h"
32 #include "conf-parser.h"
34 static const char* const duplex_table[] = {
39 DEFINE_STRING_TABLE_LOOKUP(duplex, Duplex);
40 DEFINE_CONFIG_PARSE_ENUM(config_parse_duplex, duplex, Duplex, "Failed to parse duplex setting");
42 static const char* const wol_table[] = {
44 [WOL_MAGIC] = "magic",
48 DEFINE_STRING_TABLE_LOOKUP(wol, WakeOnLan);
49 DEFINE_CONFIG_PARSE_ENUM(config_parse_wol, wol, WakeOnLan, "Failed to parse WakeOnLan setting");
51 int ethtool_connect(int *ret) {
54 assert_return(ret, -EINVAL);
56 fd = socket(PF_INET, SOCK_DGRAM, 0);
66 int ethtool_set_speed(int fd, const char *ifname, unsigned int speed, Duplex duplex)
69 struct ethtool_cmd ecmd;
73 if (speed == 0 && duplex == _DUP_INVALID)
77 ecmd.cmd = ETHTOOL_GSET;
80 strscpy(ifr.ifr_name, IFNAMSIZ, ifname);
81 ifr.ifr_data = (void *)&ecmd;
83 r = ioctl(fd, SIOCETHTOOL, &ifr);
87 if (ethtool_cmd_speed(&ecmd) != speed) {
88 ethtool_cmd_speed_set(&ecmd, speed);
94 if (ecmd.duplex != DUPLEX_HALF) {
95 ecmd.duplex = DUPLEX_HALF;
100 if (ecmd.duplex != DUPLEX_FULL) {
101 ecmd.duplex = DUPLEX_FULL;
110 ecmd.cmd = ETHTOOL_SSET;
112 r = ioctl(fd, SIOCETHTOOL, &ifr);
120 int ethtool_set_wol(int fd, const char *ifname, WakeOnLan wol) {
122 struct ethtool_wolinfo ecmd;
126 if (wol == _WOL_INVALID)
130 ecmd.cmd = ETHTOOL_GWOL;
133 strscpy(ifr.ifr_name, IFNAMSIZ, ifname);
134 ifr.ifr_data = (void *)&ecmd;
136 r = ioctl(fd, SIOCETHTOOL, &ifr);
142 if (ecmd.wolopts != WAKE_PHY) {
143 ecmd.wolopts = WAKE_PHY;
148 if (ecmd.wolopts != WAKE_MAGIC) {
149 ecmd.wolopts = WAKE_MAGIC;
154 if (ecmd.wolopts != 0) {
164 ecmd.cmd = ETHTOOL_SWOL;
166 r = ioctl(fd, SIOCETHTOOL, &ifr);