networkd: netdev - move to separate subdirectory

This could (and should) be made into a separate daemon, at least move
the sourcefiles out for now.

1 files changed, 171 insertions, 0 deletions

diff --git a/src/network/netdev/bridge.c b/src/network/netdev/bridge.c
new file mode 100644
index 0000000000..760aefd97e
--- /dev/null
+++ b/src/network/netdev/bridge.c
@@ -0,0 +1,171 @@
+/***
+    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 "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 parameters 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->ageing_time > 0) {
+                r = sd_netlink_message_append_u32(req, IFLA_BR_AGEING_TIME, usec_to_jiffies(b->ageing_time));
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_AGEING_TIME attribute: %m");
+        }
+
+        if (b->priority > 0) {
+                r = sd_netlink_message_append_u16(req, IFLA_BR_PRIORITY, b->priority);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_PRIORITY attribute: %m");
+        }
+
+        if (b->default_pvid > 0) {
+                r = sd_netlink_message_append_u16(req, IFLA_BR_VLAN_DEFAULT_PVID, b->default_pvid);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_VLAN_DEFAULT_PVID 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");
+        }
+
+        if (b->vlan_filtering >= 0) {
+                r = sd_netlink_message_append_u8(req, IFLA_BR_VLAN_FILTERING, b->vlan_filtering);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_VLAN_FILTERING attribute: %m");
+        }
+
+        if (b->stp >= 0) {
+                r = sd_netlink_message_append_u32(req, IFLA_BR_STP_STATE, b->stp);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_STP_STATE 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;
+        b->vlan_filtering = -1;
+        b->stp = -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,
+};