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Diffstat (limited to 'src/udev/udev-builtin-net_setup_link.c')
-rw-r--r--src/udev/udev-builtin-net_setup_link.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/src/udev/udev-builtin-net_setup_link.c b/src/udev/udev-builtin-net_setup_link.c
new file mode 100644
index 0000000000..739221ba2b
--- /dev/null
+++ b/src/udev/udev-builtin-net_setup_link.c
@@ -0,0 +1,96 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Tom Gundersen
+
+ 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 "link-config.h"
+#include "udev.h"
+#include "log.h"
+
+link_config_ctx *ctx;
+
+static int builtin_net_setup_link(struct udev_device *dev, int argc, char **argv, bool test) {
+ link_config *link;
+ int r;
+
+ if (argc > 1) {
+ log_error("This program takes no arguments.");
+ return EXIT_FAILURE;
+ }
+
+ r = link_config_get(ctx, dev, &link);
+ if (r < 0) {
+ if (r == -ENOENT) {
+ log_debug("No matching link configuration found");
+ return EXIT_SUCCESS;
+ } else {
+ log_error("Could not get link config");
+ return EXIT_FAILURE;
+ }
+ }
+
+ r = link_config_apply(ctx, link, dev);
+ if (r < 0) {
+ log_error("Could not apply link config to %s", udev_device_get_sysname(dev));
+ return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}
+
+static int builtin_net_setup_link_init(struct udev *udev) {
+ int r;
+
+ if (ctx)
+ return 0;
+
+ r = link_config_ctx_new(&ctx);
+ if (r < 0)
+ return r;
+
+ r = link_config_load(ctx);
+ if (r < 0)
+ return r;
+
+ log_debug("Created link configuration context");
+ return 0;
+}
+
+static void builtin_net_setup_link_exit(struct udev *udev) {
+ link_config_ctx_free(ctx);
+ log_debug("Unloaded link configuration context");
+}
+
+static bool builtin_net_setup_link_validate(struct udev *udev) {
+ log_debug("Check if link configuration needs reloading");
+ if (!ctx)
+ return false;
+
+ return link_config_should_reload(ctx);
+}
+
+const struct udev_builtin udev_builtin_net_setup_link = {
+ .name = "net_setup_link",
+ .cmd = builtin_net_setup_link,
+ .init = builtin_net_setup_link_init,
+ .exit = builtin_net_setup_link_exit,
+ .validate = builtin_net_setup_link_validate,
+ .help = "configure network link",
+ .run_once = false,
+};