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-rw-r--r--src/udev/net/ethtool-util.c143
-rw-r--r--src/udev/net/ethtool-util.h25
-rw-r--r--src/udev/net/link-config-gperf.gperf3
-rw-r--r--src/udev/net/link-config.c41
-rw-r--r--src/udev/net/link-config.h3
5 files changed, 212 insertions, 3 deletions
diff --git a/src/udev/net/ethtool-util.c b/src/udev/net/ethtool-util.c
new file mode 100644
index 0000000000..0a4118c6ae
--- /dev/null
+++ b/src/udev/net/ethtool-util.c
@@ -0,0 +1,143 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright (C) 2013 Tom Gundersen <teg@jklm.no>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <linux/ethtool.h>
+#include <linux/sockios.h>
+
+#include "ethtool-util.h"
+
+#include "strxcpyx.h"
+#include "util.h"
+#include "log.h"
+
+int ethtool_connect(int *ret) {
+ int fd;
+
+ assert_return(ret, -EINVAL);
+
+ fd = socket(PF_INET, SOCK_DGRAM, 0);
+ if (fd < 0) {
+ return -errno;
+ }
+
+ *ret = fd;
+
+ return 0;
+}
+
+int ethtool_set_speed(int fd, const char *ifname, const unsigned int speed, const char *duplex)
+{
+ struct ifreq ifr;
+ struct ethtool_cmd ecmd;
+ bool need_update;
+ int r;
+
+ if (speed == 0 && !duplex)
+ return 0;
+
+ memset(&ecmd, 0x00, sizeof(struct ethtool_cmd));
+ ecmd.cmd = ETHTOOL_GSET;
+ memset(&ifr, 0x00, sizeof(struct ifreq));
+ strscpy(ifr.ifr_name, IFNAMSIZ, ifname);
+ ifr.ifr_data = (void *)&ecmd;
+
+ r = ioctl(fd, SIOCETHTOOL, &ifr);
+ if (r < 0)
+ return -errno;
+
+ if (ethtool_cmd_speed(&ecmd) != speed) {
+ ethtool_cmd_speed_set(&ecmd, speed);
+ need_update = true;
+ }
+
+ if (duplex) {
+ if (streq(duplex, "half")) {
+ if (ecmd.duplex != DUPLEX_HALF) {
+ ecmd.duplex = DUPLEX_HALF;
+ need_update = true;
+ }
+ } else if (streq(duplex, "full"))
+ if (ecmd.duplex != DUPLEX_FULL) {
+ ecmd.duplex = DUPLEX_FULL;
+ need_update = true;
+ }
+ }
+
+ if (need_update) {
+ ecmd.cmd = ETHTOOL_SSET;
+
+ r = ioctl(fd, SIOCETHTOOL, &ifr);
+ if (r < 0)
+ return -errno;
+ }
+
+ return 0;
+}
+
+int ethtool_set_wol(int fd, const char *ifname, const char *wol) {
+ struct ifreq ifr;
+ struct ethtool_wolinfo ecmd;
+ bool need_update;
+ int r;
+
+ if (!wol)
+ return 0;
+
+ memset(&ecmd, 0x00, sizeof(struct ethtool_wolinfo));
+ ecmd.cmd = ETHTOOL_GWOL;
+ memset(&ifr, 0x00, sizeof(struct ifreq));
+ strscpy(ifr.ifr_name, IFNAMSIZ, ifname);
+ ifr.ifr_data = (void *)&ecmd;
+
+ r = ioctl(fd, SIOCETHTOOL, &ifr);
+ if (r < 0)
+ return -errno;
+
+ if (streq(wol, "phy")) {
+ if (ecmd.wolopts != WAKE_PHY) {
+ ecmd.wolopts = WAKE_PHY;
+ need_update = true;
+ }
+ } else if (streq(wol, "magic")) {
+ if (ecmd.wolopts != WAKE_MAGIC) {
+ ecmd.wolopts = WAKE_MAGIC;
+ need_update = true;
+ }
+ } else if (streq(wol, "off")) {
+ if (ecmd.wolopts != 0) {
+ ecmd.wolopts = 0;
+ need_update = true;
+ }
+ } else
+ return -EINVAL;
+
+ if (need_update) {
+ ecmd.cmd = ETHTOOL_SWOL;
+
+ r = ioctl(fd, SIOCETHTOOL, &ifr);
+ if (r < 0)
+ return -errno;
+ }
+
+ return 0;
+}
diff --git a/src/udev/net/ethtool-util.h b/src/udev/net/ethtool-util.h
new file mode 100644
index 0000000000..74bbada6ed
--- /dev/null
+++ b/src/udev/net/ethtool-util.h
@@ -0,0 +1,25 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright (C) 2013 Tom Gundersen <teg@jklm.no>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+int ethtool_connect(int *ret);
+
+int ethtool_set_speed(int fd, const char *ifname, const unsigned int speed, const char *duplex);
+int ethtool_set_wol(int fd, const char *ifname, const char *wol);
diff --git a/src/udev/net/link-config-gperf.gperf b/src/udev/net/link-config-gperf.gperf
index c567e6dfaa..9e2f4d4f52 100644
--- a/src/udev/net/link-config-gperf.gperf
+++ b/src/udev/net/link-config-gperf.gperf
@@ -19,3 +19,6 @@ Match.Path, config_parse_string, 0, offsetof(link
Match.Driver, config_parse_string, 0, offsetof(link_config, match_driver)
Match.Type, config_parse_string, 0, offsetof(link_config, match_type)
Link.Description, config_parse_string, 0, offsetof(link_config, description)
+Link.SpeedMBytes, config_parse_unsigned, 0, offsetof(link_config, speed)
+Link.Duplex, config_parse_string, 0, offsetof(link_config, duplex)
+Link.WakeOnLan, config_parse_string, 0, offsetof(link_config, wol)
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index 7686d87f80..3beb28acba 100644
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -21,6 +21,8 @@
#include "link-config.h"
+#include "ethtool-util.h"
+
#include "util.h"
#include "log.h"
#include "strv.h"
@@ -31,12 +33,15 @@
struct link_config_ctx {
LIST_HEAD(link_config, links);
+ int ethtool_fd;
+
char **link_dirs;
usec_t *link_dirs_ts_usec;
};
int link_config_ctx_new(link_config_ctx **ret) {
link_config_ctx *ctx;
+ int r;
if (!ret)
return -EINVAL;
@@ -45,6 +50,12 @@ int link_config_ctx_new(link_config_ctx **ret) {
if (!ctx)
return -ENOMEM;
+ r = ethtool_connect(&ctx->ethtool_fd);
+ if (r < 0) {
+ link_config_ctx_free(ctx);
+ return r;
+ }
+
LIST_HEAD_INIT(ctx->links);
ctx->link_dirs = strv_new("/etc/net/links",
@@ -93,6 +104,7 @@ void link_config_ctx_free(link_config_ctx *ctx) {
if (!ctx)
return;
+ close_nointr_nofail(ctx->ethtool_fd);
strv_free(ctx->link_dirs);
free(ctx->link_dirs_ts_usec);
link_configs_free(ctx);
@@ -233,11 +245,34 @@ int link_config_apply(link_config_ctx *ctx, link_config *config, struct udev_dev
log_info("Configuring %s", name);
if (config->description) {
- r = udev_device_set_sysattr_value(device, "ifalias", config->description);
+ r = udev_device_set_sysattr_value(device, "ifalias",
+ config->description);
+ if (r < 0)
+ log_warning("Could not set description of %s to '%s': %s",
+ name, config->description, strerror(-r));
+ else
+ log_info("Set link description of %s to '%s'", name,
+ config->description);
+ }
+
+ if (config->speed || config->duplex) {
+ r = ethtool_set_speed(ctx->ethtool_fd, name,
+ config->speed, config->duplex);
+ if (r < 0)
+ log_warning("Could not set speed or duplex of %s to %u Mbytes (%s): %s",
+ name, config->speed, config->duplex, strerror(-r));
+ else
+ log_info("Set speed or duplex of %s to %u Mbytes (%s)", name,
+ config->speed, config->duplex);
+ }
+
+ if (config->wol) {
+ r = ethtool_set_wol(ctx->ethtool_fd, name, config->wol);
if (r < 0)
- log_warning("Could not set description of %s to '%s': %s", name, config->description, strerror(-r));
+ log_warning("Could not set WakeOnLan of %s to %s: %s",
+ name, config->wol, strerror(-r));
else
- log_info("Set link description of %s to '%s'", name, config->description);
+ log_info("Set WakeOnLan of %s to %s", name, config->wol);
}
return 0;
diff --git a/src/udev/net/link-config.h b/src/udev/net/link-config.h
index da5608ce4c..57d2c9c3cd 100644
--- a/src/udev/net/link-config.h
+++ b/src/udev/net/link-config.h
@@ -38,6 +38,9 @@ struct link_config {
char *match_type;
char *description;
+ unsigned int speed;
+ char *duplex;
+ char *wol;
LIST_FIELDS(link_config, links);
};
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-30 13:18:16 +0000