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Diffstat (limited to 'src/grp-network/networkd-netdev-bridge.c')
-rw-r--r--src/grp-network/networkd-netdev-bridge.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/src/grp-network/networkd-netdev-bridge.c b/src/grp-network/networkd-netdev-bridge.c
new file mode 100644
index 0000000000..4cfd00413f
--- /dev/null
+++ b/src/grp-network/networkd-netdev-bridge.c
@@ -0,0 +1,139 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Tom Gundersen <teg@jklm.no>
+ Copyright 2014 Susant Sahani
+
+ 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 <net/if.h>
+
+#include "missing.h"
+#include "netlink-util.h"
+#include "networkd.h"
+#include "networkd-netdev-bridge.h"
+
+/* callback for brige netdev's parameter set */
+static int netdev_bridge_set_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) {
+ _cleanup_netdev_unref_ NetDev *netdev = userdata;
+ int r;
+
+ assert(netdev);
+ assert(m);
+
+ r = sd_netlink_message_get_errno(m);
+ if (r < 0) {
+ log_netdev_warning_errno(netdev, r, "Bridge parameters could not be set: %m");
+ return 1;
+ }
+
+ log_netdev_debug(netdev, "Bridge parametres set success");
+
+ return 1;
+}
+
+static int netdev_bridge_post_create(NetDev *netdev, Link *link, sd_netlink_message *m) {
+ _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
+ Bridge *b;
+ int r;
+
+ assert(netdev);
+
+ b = BRIDGE(netdev);
+
+ assert(b);
+
+ r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_NEWLINK, netdev->ifindex);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not allocate RTM_SETLINK message: %m");
+
+ r = sd_netlink_message_set_flags(req, NLM_F_REQUEST | NLM_F_ACK);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not set netlink flags: %m");
+
+ r = sd_netlink_message_open_container(req, IFLA_LINKINFO);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_PROTINFO attribute: %m");
+
+ r = sd_netlink_message_open_container_union(req, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind));
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m");
+
+ /* convert to jiffes */
+ if (b->forward_delay > 0) {
+ r = sd_netlink_message_append_u32(req, IFLA_BR_FORWARD_DELAY, usec_to_jiffies(b->forward_delay));
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_FORWARD_DELAY attribute: %m");
+ }
+
+ if (b->hello_time > 0) {
+ r = sd_netlink_message_append_u32(req, IFLA_BR_HELLO_TIME, usec_to_jiffies(b->hello_time));
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_HELLO_TIME attribute: %m");
+ }
+
+ if (b->max_age > 0) {
+ r = sd_netlink_message_append_u32(req, IFLA_BR_MAX_AGE, usec_to_jiffies(b->max_age));
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MAX_AGE attribute: %m");
+ }
+
+ if (b->mcast_querier >= 0) {
+ r = sd_netlink_message_append_u8(req, IFLA_BR_MCAST_QUERIER, b->mcast_querier);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MCAST_QUERIER attribute: %m");
+ }
+
+ if (b->mcast_snooping >= 0) {
+ r = sd_netlink_message_append_u8(req, IFLA_BR_MCAST_SNOOPING, b->mcast_snooping);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MCAST_SNOOPING attribute: %m");
+ }
+
+ r = sd_netlink_message_close_container(req);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m");
+
+ r = sd_netlink_message_close_container(req);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m");
+
+ r = sd_netlink_call_async(netdev->manager->rtnl, req, netdev_bridge_set_handler, netdev, 0, NULL);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not send rtnetlink message: %m");
+
+ netdev_ref(netdev);
+
+ return r;
+}
+
+static void bridge_init(NetDev *n) {
+ Bridge *b;
+
+ b = BRIDGE(n);
+
+ assert(b);
+
+ b->mcast_querier = -1;
+ b->mcast_snooping = -1;
+}
+
+const NetDevVTable bridge_vtable = {
+ .object_size = sizeof(Bridge),
+ .init = bridge_init,
+ .sections = "Match\0NetDev\0Bridge\0",
+ .post_create = netdev_bridge_post_create,
+ .create_type = NETDEV_CREATE_MASTER,
+};