networkd: netdev - split out bridge creation
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3f26503776
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6235b3def8
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@ -4600,6 +4600,7 @@ libsystemd_networkd_core_la_SOURCES = \
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src/network/networkd-dummy.c \
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src/network/networkd-dummy.c \
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src/network/networkd-tuntap.c \
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src/network/networkd-tuntap.c \
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src/network/networkd-bond.c \
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src/network/networkd-bond.c \
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src/network/networkd-bridge.c \
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src/network/networkd-network.c \
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src/network/networkd-network.c \
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src/network/networkd-address.c \
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src/network/networkd-address.c \
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src/network/networkd-route.c \
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src/network/networkd-route.c \
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116
src/network/networkd-bridge.c
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116
src/network/networkd-bridge.c
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@ -0,0 +1,116 @@
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2014 Tom Gundersen <teg@jklm.no>
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Copyright 2014 Susant Sahani
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <netinet/ether.h>
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#include <arpa/inet.h>
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#include <net/if.h>
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#include "sd-rtnl.h"
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#include "networkd.h"
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#include "missing.h"
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static int netdev_fill_bridge_rtnl_message(NetDev *netdev, sd_rtnl_message *m) {
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int r;
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assert(m);
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r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not append IFLA_IFNAME, attribute: %s",
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strerror(-r));
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return r;
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}
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r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not append IFLA_LINKINFO attribute: %s",
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strerror(-r));
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return r;
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}
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r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
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netdev_kind_to_string(netdev->kind));
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not append IFLA_INFO_DATA attribute: %s",
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strerror(-r));
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return r;
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}
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r = sd_rtnl_message_close_container(m);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not append IFLA_LINKINFO attribute: %s",
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strerror(-r));
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return r;
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}
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r = sd_rtnl_message_close_container(m);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not append IFLA_LINKINFO attribute: %s",
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strerror(-r));
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return r;
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}
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return r;
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}
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int netdev_create_bridge(NetDev *netdev, sd_rtnl_message_handler_t callback) {
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_cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
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int r;
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assert(netdev);
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assert(netdev->kind == NETDEV_KIND_BRIDGE);
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assert(netdev->ifname);
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assert(netdev->manager);
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assert(netdev->manager->rtnl);
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r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not allocate RTM_NEWLINK message: %s",
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strerror(-r));
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return r;
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}
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r = netdev_fill_bridge_rtnl_message(netdev, m);
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if(r < 0)
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return r;
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r = sd_rtnl_call_async(netdev->manager->rtnl, m, callback, netdev, 0, NULL);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not send rtnetlink message: %s", strerror(-r));
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return r;
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}
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netdev_ref(netdev);
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log_debug_netdev(netdev, "Creating bridge netdev.");
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netdev->state = NETDEV_STATE_CREATING;
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return 0;
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}
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@ -246,106 +246,6 @@ static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userda
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return 1;
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return 1;
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}
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}
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static int netdev_create(NetDev *netdev) {
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_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
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const char *kind;
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int r;
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assert(netdev);
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assert(netdev->ifname);
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assert(netdev->manager);
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assert(netdev->manager->rtnl);
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r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_NEWLINK, 0);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not allocate RTM_NEWLINK message: %s",
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strerror(-r));
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return r;
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}
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r = sd_rtnl_message_append_string(req, IFLA_IFNAME, netdev->ifname);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not append IFLA_IFNAME attribute: %s",
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strerror(-r));
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return r;
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}
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if (netdev->mtu) {
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r = sd_rtnl_message_append_u32(req, IFLA_MTU, netdev->mtu);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not append IFLA_MTU attribute: %s",
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strerror(-r));
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return r;
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}
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}
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if (netdev->mac) {
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r = sd_rtnl_message_append_ether_addr(req, IFLA_ADDRESS, netdev->mac);
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if (r < 0) {
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log_error_netdev(netdev,
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"Colud not append IFLA_ADDRESS attribute: %s",
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strerror(-r));
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return r;
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}
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}
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r = sd_rtnl_message_open_container(req, IFLA_LINKINFO);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not open IFLA_LINKINFO container: %s",
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strerror(-r));
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return r;
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}
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kind = netdev_kind_to_string(netdev->kind);
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if (!kind) {
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log_error_netdev(netdev, "Invalid kind");
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return -EINVAL;
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}
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r = sd_rtnl_message_open_container_union(req, IFLA_INFO_DATA, kind);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not open IFLA_INFO_DATA container: %s",
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strerror(-r));
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return r;
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}
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r = sd_rtnl_message_close_container(req);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not close IFLA_INFO_DATA container %s",
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strerror(-r));
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return r;
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}
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r = sd_rtnl_message_close_container(req);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not close IFLA_LINKINFO container %s",
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strerror(-r));
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return r;
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}
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r = sd_rtnl_call_async(netdev->manager->rtnl, req, &netdev_create_handler, netdev, 0, NULL);
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if (r < 0) {
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log_error_netdev(netdev,
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"Could not send rtnetlink message: %s", strerror(-r));
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return r;
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}
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netdev_ref(netdev);
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log_debug_netdev(netdev, "creating netdev");
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netdev->state = NETDEV_STATE_CREATING;
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return 0;
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}
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static int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
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static int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
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int r;
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int r;
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@ -710,7 +610,7 @@ static int netdev_load_one(Manager *manager, const char *filename) {
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break;
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break;
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case NETDEV_KIND_BRIDGE:
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case NETDEV_KIND_BRIDGE:
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r = netdev_create(netdev);
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r = netdev_create_bridge(netdev, netdev_create_handler);
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if (r < 0)
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if (r < 0)
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return r;
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return r;
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break;
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break;
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@ -387,6 +387,7 @@ int netdev_create_macvlan(NetDev *netdev, Link *link, sd_rtnl_message_handler_t
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int netdev_create_dummy(NetDev *netdev, sd_rtnl_message_handler_t callback);
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int netdev_create_dummy(NetDev *netdev, sd_rtnl_message_handler_t callback);
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int netdev_create_tuntap(NetDev *netdev);
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int netdev_create_tuntap(NetDev *netdev);
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int netdev_create_bond(NetDev *netdev, sd_rtnl_message_handler_t callback);
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int netdev_create_bond(NetDev *netdev, sd_rtnl_message_handler_t callback);
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int netdev_create_bridge(NetDev *netdev, sd_rtnl_message_handler_t callback);
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const char *netdev_kind_to_string(NetDevKind d) _const_;
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const char *netdev_kind_to_string(NetDevKind d) _const_;
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