networkd: add basic bonding support

Refactor bridging support to be generic netdev support and extend it to
cover bonding as well.

1 files changed, 0 insertions, 330 deletions

diff --git a/src/network/networkd-bridge.c b/src/network/networkd-bridge.c
deleted file mode 100644
index ce48878991..0000000000
--- a/src/network/networkd-bridge.c
+++ /dev/null
@@ -1,330 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  This file is part of systemd.
-
-  Copyright 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 "networkd.h"
-#include "net-util.h"
-#include "path-util.h"
-#include "conf-files.h"
-#include "conf-parser.h"
-#include "list.h"
-
-void bridge_free(Bridge *bridge) {
-        bridge_join_callback *callback;
-
-        if (!bridge)
-                return;
-
-        while ((callback = bridge->callbacks)) {
-                LIST_REMOVE(callbacks, bridge->callbacks, callback);
-                free(callback);
-        }
-
-        if (bridge->name)
-                hashmap_remove(bridge->manager->bridges, bridge->name);
-
-        free(bridge->filename);
-
-        free(bridge->description);
-        free(bridge->name);
-
-        free(bridge);
-}
-
-int bridge_get(Manager *manager, const char *name, Bridge **ret) {
-        Bridge *bridge;
-
-        assert(manager);
-        assert(name);
-        assert(ret);
-
-        bridge = hashmap_get(manager->bridges, name);
-        if (!bridge) {
-                *ret = NULL;
-                return -ENOENT;
-        }
-
-        *ret = bridge;
-
-        return 0;
-}
-
-static int bridge_enter_failed(Bridge *bridge) {
-        bridge->state = BRIDGE_STATE_FAILED;
-
-        return 0;
-}
-
-static int bridge_join_ready(Bridge *bridge, Link* link, sd_rtnl_message_handler_t callback) {
-        _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
-        int r;
-
-        assert(bridge);
-        assert(bridge->state == BRIDGE_STATE_READY);
-        assert(link);
-        assert(callback);
-
-        r = sd_rtnl_message_link_new(RTM_SETLINK, link->ifindex, &req);
-        if (r < 0) {
-                log_error_bridge(bridge,
-                                 "Could not allocate RTM_SETLINK message: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_u32(req, IFLA_MASTER, bridge->link->ifindex);
-        if (r < 0) {
-                log_error_bridge(bridge,
-                                 "Could not append IFLA_MASTER attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_call_async(bridge->manager->rtnl, req, callback, link, 0, NULL);
-        if (r < 0) {
-                log_error_bridge(bridge,
-                                 "Could not send rtnetlink message: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        log_debug_bridge(bridge, "joining link %s to bridge", link->ifname);
-
-        return 0;
-}
-
-static int bridge_enter_ready(Bridge *bridge) {
-        bridge_join_callback *callback;
-
-        assert(bridge);
-        assert(bridge->name);
-
-        bridge->state = BRIDGE_STATE_READY;
-
-        log_info_bridge(bridge, "bridge ready");
-
-        LIST_FOREACH(callbacks, callback, bridge->callbacks) {
-                /* join the links that were attempted to be joined befor the
-                 * link was ready */
-                bridge_join_ready(bridge, callback->link, callback->callback);
-        }
-
-        return 0;
-}
-
-static int bridge_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
-        Bridge *bridge = userdata;
-        int r;
-
-        assert(bridge->state != _BRIDGE_STATE_INVALID);
-
-        r = sd_rtnl_message_get_errno(m);
-        if (r < 0) {
-                log_warning_bridge(bridge, "bridge failed: %s", strerror(-r));
-                bridge_enter_failed(bridge);
-
-                return 1;
-        }
-
-        return 1;
-}
-
-static int bridge_create(Bridge *bridge) {
-        _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
-        int r;
-
-        assert(bridge);
-        assert(bridge->state == _BRIDGE_STATE_INVALID);
-        assert(bridge->name);
-        assert(bridge->manager);
-        assert(bridge->manager->rtnl);
-
-        r = sd_rtnl_message_link_new(RTM_NEWLINK, 0, &req);
-        if (r < 0) {
-                log_error_bridge(bridge,
-                                 "Could not allocate RTM_NEWLINK message: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_string(req, IFLA_IFNAME, bridge->name);
-        if (r < 0) {
-                log_error_bridge(bridge,
-                                 "Could not append IFLA_IFNAME attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_open_container(req, IFLA_LINKINFO);
-        if (r < 0) {
-                log_error_bridge(bridge,
-                                 "Could not open IFLA_LINKINFO container: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_string(req, IFLA_INFO_KIND, "bridge");
-        if (r < 0) {
-                log_error_bridge(bridge,
-                                 "Could not append IFLA_INFO_KIND attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_close_container(req);
-        if (r < 0) {
-                log_error_bridge(bridge,
-                                 "Could not close IFLA_LINKINFO container %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_call_async(bridge->manager->rtnl, req, &bridge_create_handler, bridge, 0, NULL);
-        if (r < 0) {
-                log_error_bridge(bridge,
-                                 "Could not send rtnetlink message: %s", strerror(-r));
-                return r;
-        }
-
-        log_debug_bridge(bridge, "creating bridge");
-
-        bridge->state = BRIDGE_STATE_CREATING;
-
-        return 0;
-}
-
-int bridge_join(Bridge *bridge, Link *link, sd_rtnl_message_handler_t callback) {
-        if (bridge->state == BRIDGE_STATE_READY) {
-                bridge_join_ready(bridge, link, callback);
-        } else {
-                /* the bridge is not yet read, save this request for when it is*/
-                bridge_join_callback *cb;
-
-                cb = new0(bridge_join_callback, 1);
-                if (!cb)
-                        return log_oom();
-
-                cb->callback = callback;
-                cb->link = link;
-
-                LIST_PREPEND(callbacks, bridge->callbacks, cb);
-        }
-
-        return 0;
-}
-
-int bridge_set_link(Manager *m, Link *link) {
-        Bridge *bridge;
-        int r;
-
-        r = bridge_get(m, link->ifname, &bridge);
-        if (r < 0)
-                return r;
-
-        if (bridge->link && bridge->link != link)
-                return -EEXIST;
-
-        bridge->link = link;
-
-        bridge_enter_ready(bridge);
-
-        return 0;
-}
-
-static int bridge_load_one(Manager *manager, const char *filename) {
-        _cleanup_bridge_free_ Bridge *bridge = NULL;
-        _cleanup_fclose_ FILE *file = NULL;
-        int r;
-
-        assert(manager);
-        assert(filename);
-
-        file = fopen(filename, "re");
-        if (!file) {
-                if (errno == ENOENT)
-                        return 0;
-                else
-                        return errno;
-        }
-
-        bridge = new0(Bridge, 1);
-        if (!bridge)
-                return log_oom();
-
-        bridge->manager = manager;
-        bridge->state = _BRIDGE_STATE_INVALID;
-
-        r = config_parse(NULL, filename, file, "Bridge\0", config_item_perf_lookup,
-                        (void*) network_gperf_lookup, false, false, bridge);
-        if (r < 0) {
-                log_warning("Could not parse config file %s: %s", filename, strerror(-r));
-                return r;
-        }
-
-        if (!bridge->name) {
-                log_warning("Bridge without Name configured in %s. Ignoring", filename);
-                return 0;
-        }
-
-        bridge->filename = strdup(filename);
-        if (!bridge->filename)
-                return log_oom();
-
-        r = hashmap_put(bridge->manager->bridges, bridge->name, bridge);
-        if (r < 0)
-                return r;
-
-        LIST_HEAD_INIT(bridge->callbacks);
-
-        r = bridge_create(bridge);
-        if (r < 0)
-                return r;
-
-        bridge = NULL;
-
-        return 0;
-}
-
-int bridge_load(Manager *manager) {
-        Bridge *bridge;
-        char **files, **f;
-        int r;
-
-        assert(manager);
-
-        while ((bridge = hashmap_first(manager->bridges)))
-                bridge_free(bridge);
-
-        r = conf_files_list_strv(&files, ".netdev", NULL, network_dirs);
-        if (r < 0) {
-                log_error("Failed to enumerate netdev files: %s", strerror(-r));
-                return r;
-        }
-
-        STRV_FOREACH_BACKWARDS(f, files) {
-                r = bridge_load_one(manager, *f);
-                if (r < 0)
-                        return r;
-        }
-
-        strv_free(files);
-
-        return 0;
-}