2013-11-24 23:37:56 +01:00
|
|
|
/*-*- 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"
|
2014-03-21 21:38:14 +01:00
|
|
|
#include "network-internal.h"
|
2013-11-24 23:37:56 +01:00
|
|
|
#include "path-util.h"
|
|
|
|
#include "conf-files.h"
|
|
|
|
#include "conf-parser.h"
|
|
|
|
#include "list.h"
|
|
|
|
|
2014-02-10 18:41:54 +01:00
|
|
|
#define VLANID_MAX 4094
|
|
|
|
|
2014-03-07 21:38:48 +01:00
|
|
|
static const char* const netdev_kind_table[_NETDEV_KIND_MAX] = {
|
2014-01-21 21:58:08 +01:00
|
|
|
[NETDEV_KIND_BRIDGE] = "bridge",
|
2014-01-22 14:49:24 +01:00
|
|
|
[NETDEV_KIND_BOND] = "bond",
|
|
|
|
[NETDEV_KIND_VLAN] = "vlan",
|
2014-02-25 21:16:17 +01:00
|
|
|
[NETDEV_KIND_MACVLAN] = "macvlan",
|
2014-01-21 21:58:08 +01:00
|
|
|
};
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-02-07 17:03:23 +01:00
|
|
|
DEFINE_STRING_TABLE_LOOKUP(netdev_kind, NetDevKind);
|
|
|
|
DEFINE_CONFIG_PARSE_ENUM(config_parse_netdev_kind, netdev_kind, NetDevKind, "Failed to parse netdev kind");
|
2014-01-21 21:58:08 +01:00
|
|
|
|
2014-03-07 21:38:48 +01:00
|
|
|
static const char* const macvlan_mode_table[_NETDEV_MACVLAN_MODE_MAX] = {
|
2014-02-25 21:16:17 +01:00
|
|
|
[NETDEV_MACVLAN_MODE_PRIVATE] = "private",
|
|
|
|
[NETDEV_MACVLAN_MODE_VEPA] = "vepa",
|
|
|
|
[NETDEV_MACVLAN_MODE_BRIDGE] = "bridge",
|
|
|
|
[NETDEV_MACVLAN_MODE_PASSTHRU] = "passthru",
|
|
|
|
};
|
|
|
|
|
|
|
|
DEFINE_STRING_TABLE_LOOKUP(macvlan_mode, MacVlanMode);
|
|
|
|
DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode");
|
|
|
|
|
2014-05-08 18:54:26 +02:00
|
|
|
static void netdev_free(NetDev *netdev) {
|
2014-01-21 21:58:08 +01:00
|
|
|
netdev_enslave_callback *callback;
|
|
|
|
|
|
|
|
if (!netdev)
|
2013-11-24 23:37:56 +01:00
|
|
|
return;
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
while ((callback = netdev->callbacks)) {
|
|
|
|
LIST_REMOVE(callbacks, netdev->callbacks, callback);
|
2013-11-24 23:37:56 +01:00
|
|
|
free(callback);
|
|
|
|
}
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
if (netdev->name)
|
|
|
|
hashmap_remove(netdev->manager->netdevs, netdev->name);
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
free(netdev->filename);
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
free(netdev->description);
|
|
|
|
free(netdev->name);
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-03-24 23:45:33 +01:00
|
|
|
condition_free_list(netdev->match_host);
|
|
|
|
condition_free_list(netdev->match_virt);
|
|
|
|
condition_free_list(netdev->match_kernel);
|
|
|
|
condition_free_list(netdev->match_arch);
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
free(netdev);
|
2013-11-24 23:37:56 +01:00
|
|
|
}
|
|
|
|
|
2014-05-08 18:54:26 +02:00
|
|
|
NetDev *netdev_unref(NetDev *netdev) {
|
|
|
|
if (netdev && (-- netdev->n_ref <= 0))
|
|
|
|
netdev_free(netdev);
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
NetDev *netdev_ref(NetDev *netdev) {
|
|
|
|
if (netdev)
|
|
|
|
assert_se(++ netdev->n_ref >= 2);
|
|
|
|
|
|
|
|
return netdev;
|
|
|
|
}
|
|
|
|
|
2014-02-07 17:03:23 +01:00
|
|
|
int netdev_get(Manager *manager, const char *name, NetDev **ret) {
|
|
|
|
NetDev *netdev;
|
2013-11-24 23:37:56 +01:00
|
|
|
|
|
|
|
assert(manager);
|
|
|
|
assert(name);
|
|
|
|
assert(ret);
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
netdev = hashmap_get(manager->netdevs, name);
|
|
|
|
if (!netdev) {
|
2013-11-24 23:37:56 +01:00
|
|
|
*ret = NULL;
|
|
|
|
return -ENOENT;
|
|
|
|
}
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
*ret = netdev;
|
2013-11-24 23:37:56 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-02-07 17:03:23 +01:00
|
|
|
static int netdev_enter_failed(NetDev *netdev) {
|
2014-01-21 21:58:08 +01:00
|
|
|
netdev->state = NETDEV_STATE_FAILED;
|
2013-11-24 23:37:56 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-02-07 17:03:23 +01:00
|
|
|
static int netdev_enslave_ready(NetDev *netdev, Link* link, sd_rtnl_message_handler_t callback) {
|
2014-02-13 03:44:14 +01:00
|
|
|
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
|
2013-11-24 23:37:56 +01:00
|
|
|
int r;
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
assert(netdev);
|
|
|
|
assert(netdev->state == NETDEV_STATE_READY);
|
2014-02-18 00:10:08 +01:00
|
|
|
assert(netdev->manager);
|
|
|
|
assert(netdev->manager->rtnl);
|
2013-11-24 23:37:56 +01:00
|
|
|
assert(link);
|
|
|
|
assert(callback);
|
|
|
|
|
2014-02-19 23:54:58 +01:00
|
|
|
r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req,
|
|
|
|
RTM_SETLINK, link->ifindex);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0) {
|
2014-01-21 21:58:08 +01:00
|
|
|
log_error_netdev(netdev,
|
2014-01-09 02:42:38 +01:00
|
|
|
"Could not allocate RTM_SETLINK message: %s",
|
|
|
|
strerror(-r));
|
2013-11-24 23:37:56 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-01-29 21:24:44 +01:00
|
|
|
r = sd_rtnl_message_append_u32(req, IFLA_MASTER, netdev->ifindex);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0) {
|
2014-01-21 21:58:08 +01:00
|
|
|
log_error_netdev(netdev,
|
2014-01-09 02:42:38 +01:00
|
|
|
"Could not append IFLA_MASTER attribute: %s",
|
|
|
|
strerror(-r));
|
2013-11-24 23:37:56 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0) {
|
2014-01-21 21:58:08 +01:00
|
|
|
log_error_netdev(netdev,
|
2014-01-09 02:42:38 +01:00
|
|
|
"Could not send rtnetlink message: %s",
|
|
|
|
strerror(-r));
|
2013-11-24 23:37:56 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
log_debug_netdev(netdev, "enslaving link '%s'", link->ifname);
|
2014-01-12 15:24:11 +01:00
|
|
|
|
2013-11-24 23:37:56 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-02-07 17:03:23 +01:00
|
|
|
static int netdev_enter_ready(NetDev *netdev) {
|
2014-01-21 21:58:08 +01:00
|
|
|
netdev_enslave_callback *callback;
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
assert(netdev);
|
|
|
|
assert(netdev->name);
|
2014-01-11 21:20:14 +01:00
|
|
|
|
2014-03-28 18:20:31 +01:00
|
|
|
if (netdev->state != NETDEV_STATE_CREATING)
|
|
|
|
return 0;
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
netdev->state = NETDEV_STATE_READY;
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
log_info_netdev(netdev, "netdev ready");
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
LIST_FOREACH(callbacks, callback, netdev->callbacks) {
|
2014-05-08 19:46:06 +02:00
|
|
|
/* enslave the links that were attempted to be enslaved before the
|
2013-11-24 23:37:56 +01:00
|
|
|
* link was ready */
|
2014-01-21 21:58:08 +01:00
|
|
|
netdev_enslave_ready(netdev, callback->link, callback->callback);
|
2013-11-24 23:37:56 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2014-01-21 21:58:08 +01:00
|
|
|
static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
|
2014-02-07 17:03:23 +01:00
|
|
|
NetDev *netdev = userdata;
|
2014-02-01 16:27:41 +01:00
|
|
|
int r;
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
assert(netdev->state != _NETDEV_STATE_INVALID);
|
2013-11-24 23:37:56 +01:00
|
|
|
|
|
|
|
r = sd_rtnl_message_get_errno(m);
|
2014-03-15 20:03:34 +01:00
|
|
|
if (r == -EEXIST)
|
2014-04-15 14:21:44 +02:00
|
|
|
log_debug_netdev(netdev, "netdev exists, using existing");
|
|
|
|
else if (r < 0) {
|
2014-01-21 21:58:08 +01:00
|
|
|
log_warning_netdev(netdev, "netdev failed: %s", strerror(-r));
|
|
|
|
netdev_enter_failed(netdev);
|
2013-12-03 18:48:20 +01:00
|
|
|
|
|
|
|
return 1;
|
2013-11-24 23:37:56 +01:00
|
|
|
}
|
|
|
|
|
2013-12-03 18:48:20 +01:00
|
|
|
return 1;
|
2013-11-24 23:37:56 +01:00
|
|
|
}
|
|
|
|
|
2014-02-07 17:03:23 +01:00
|
|
|
static int netdev_create(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
|
2014-02-13 03:44:14 +01:00
|
|
|
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
|
2014-01-21 21:58:08 +01:00
|
|
|
const char *kind;
|
2013-11-24 23:37:56 +01:00
|
|
|
int r;
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
assert(netdev);
|
2014-02-25 21:16:17 +01:00
|
|
|
assert(!(netdev->kind == NETDEV_KIND_VLAN || netdev->kind == NETDEV_KIND_MACVLAN) ||
|
|
|
|
(link && callback));
|
2014-01-21 21:58:08 +01:00
|
|
|
assert(netdev->name);
|
|
|
|
assert(netdev->manager);
|
|
|
|
assert(netdev->manager->rtnl);
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-02-19 23:54:58 +01:00
|
|
|
r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_NEWLINK, 0);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0) {
|
2014-01-21 21:58:08 +01:00
|
|
|
log_error_netdev(netdev,
|
2014-01-09 02:42:38 +01:00
|
|
|
"Could not allocate RTM_NEWLINK message: %s",
|
|
|
|
strerror(-r));
|
2013-11-24 23:37:56 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-01-22 14:49:24 +01:00
|
|
|
if (link) {
|
|
|
|
r = sd_rtnl_message_append_u32(req, IFLA_LINK, link->ifindex);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error_netdev(netdev,
|
|
|
|
"Could not append IFLA_LINK attribute: %s",
|
|
|
|
strerror(-r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
r = sd_rtnl_message_append_string(req, IFLA_IFNAME, netdev->name);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0) {
|
2014-01-21 21:58:08 +01:00
|
|
|
log_error_netdev(netdev,
|
2014-01-09 02:42:38 +01:00
|
|
|
"Could not append IFLA_IFNAME attribute: %s",
|
|
|
|
strerror(-r));
|
2013-11-24 23:37:56 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-02-14 22:39:48 +01:00
|
|
|
r = sd_rtnl_message_open_container(req, IFLA_LINKINFO);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0) {
|
2014-01-21 21:58:08 +01:00
|
|
|
log_error_netdev(netdev,
|
2014-01-09 02:42:38 +01:00
|
|
|
"Could not open IFLA_LINKINFO container: %s",
|
|
|
|
strerror(-r));
|
2013-11-24 23:37:56 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
kind = netdev_kind_to_string(netdev->kind);
|
|
|
|
if (!kind) {
|
|
|
|
log_error_netdev(netdev, "Invalid kind");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2014-03-26 19:25:01 +01:00
|
|
|
r = sd_rtnl_message_open_container_union(req, IFLA_INFO_DATA, kind);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0) {
|
2014-01-21 21:58:08 +01:00
|
|
|
log_error_netdev(netdev,
|
2014-03-26 19:25:01 +01:00
|
|
|
"Could not open IFLA_INFO_DATA container: %s",
|
|
|
|
strerror(-r));
|
2013-11-24 23:37:56 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-03-26 19:25:01 +01:00
|
|
|
if (netdev->vlanid <= VLANID_MAX) {
|
|
|
|
r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, netdev->vlanid);
|
2014-01-22 14:49:24 +01:00
|
|
|
if (r < 0) {
|
|
|
|
log_error_netdev(netdev,
|
2014-03-26 19:25:01 +01:00
|
|
|
"Could not append IFLA_VLAN_ID attribute: %s",
|
2014-01-22 14:49:24 +01:00
|
|
|
strerror(-r));
|
|
|
|
return r;
|
|
|
|
}
|
2014-03-26 19:25:01 +01:00
|
|
|
}
|
2014-01-22 14:49:24 +01:00
|
|
|
|
2014-03-26 19:25:01 +01:00
|
|
|
if (netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) {
|
|
|
|
r = sd_rtnl_message_append_u32(req, IFLA_MACVLAN_MODE, netdev->macvlan_mode);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error_netdev(netdev,
|
|
|
|
"Could not append IFLA_MACVLAN_MODE attribute: %s",
|
|
|
|
strerror(-r));
|
2014-01-22 14:49:24 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-03-26 19:25:01 +01:00
|
|
|
r = sd_rtnl_message_close_container(req);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error_netdev(netdev,
|
|
|
|
"Could not close IFLA_INFO_DATA container %s",
|
|
|
|
strerror(-r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2013-11-24 23:37:56 +01:00
|
|
|
r = sd_rtnl_message_close_container(req);
|
|
|
|
if (r < 0) {
|
2014-01-21 21:58:08 +01:00
|
|
|
log_error_netdev(netdev,
|
2014-01-09 02:42:38 +01:00
|
|
|
"Could not close IFLA_LINKINFO container %s",
|
|
|
|
strerror(-r));
|
2013-11-24 23:37:56 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-01-22 14:49:24 +01:00
|
|
|
if (link)
|
|
|
|
r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
|
|
|
|
else
|
|
|
|
r = sd_rtnl_call_async(netdev->manager->rtnl, req, &netdev_create_handler, netdev, 0, NULL);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0) {
|
2014-01-21 21:58:08 +01:00
|
|
|
log_error_netdev(netdev,
|
2014-01-09 02:42:38 +01:00
|
|
|
"Could not send rtnetlink message: %s", strerror(-r));
|
2013-11-24 23:37:56 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
log_debug_netdev(netdev, "creating netdev");
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
netdev->state = NETDEV_STATE_CREATING;
|
2013-11-24 23:37:56 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-02-07 17:03:23 +01:00
|
|
|
int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
|
2014-05-08 19:46:06 +02:00
|
|
|
int r;
|
|
|
|
|
2014-02-25 21:16:17 +01:00
|
|
|
if (netdev->kind == NETDEV_KIND_VLAN || netdev->kind == NETDEV_KIND_MACVLAN)
|
2014-01-22 14:49:24 +01:00
|
|
|
return netdev_create(netdev, link, callback);
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
if (netdev->state == NETDEV_STATE_READY) {
|
2014-05-08 19:46:06 +02:00
|
|
|
r = netdev_enslave_ready(netdev, link, callback);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
2013-11-24 23:37:56 +01:00
|
|
|
} else {
|
2014-01-21 21:58:08 +01:00
|
|
|
/* the netdev is not yet read, save this request for when it is*/
|
|
|
|
netdev_enslave_callback *cb;
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
cb = new0(netdev_enslave_callback, 1);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (!cb)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
cb->callback = callback;
|
|
|
|
cb->link = link;
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
LIST_PREPEND(callbacks, netdev->callbacks, cb);
|
2013-11-24 23:37:56 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-03-24 00:07:46 +01:00
|
|
|
int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) {
|
2014-03-24 21:50:16 +01:00
|
|
|
uint16_t type;
|
2014-03-24 00:07:46 +01:00
|
|
|
const char *kind;
|
|
|
|
char *received_kind;
|
2014-04-18 10:28:42 +02:00
|
|
|
char *received_name;
|
2014-03-24 00:07:46 +01:00
|
|
|
int r, ifindex;
|
|
|
|
|
2014-01-29 21:24:44 +01:00
|
|
|
assert(netdev);
|
2014-03-24 21:50:16 +01:00
|
|
|
assert(message);
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-03-24 21:50:16 +01:00
|
|
|
r = sd_rtnl_message_get_type(message, &type);
|
2014-03-28 18:20:31 +01:00
|
|
|
if (r < 0) {
|
|
|
|
log_error_netdev(netdev, "Could not get rtnl message type");
|
2014-03-24 21:50:16 +01:00
|
|
|
return r;
|
2014-03-28 18:20:31 +01:00
|
|
|
}
|
2014-03-24 21:50:16 +01:00
|
|
|
|
2014-03-28 18:20:31 +01:00
|
|
|
if (type != RTM_NEWLINK) {
|
|
|
|
log_error_netdev(netdev, "Can not set ifindex from unexpected rtnl message type");
|
2014-03-24 21:50:16 +01:00
|
|
|
return -EINVAL;
|
2014-03-28 18:20:31 +01:00
|
|
|
}
|
2014-03-24 00:07:46 +01:00
|
|
|
|
2014-04-19 17:14:36 +02:00
|
|
|
r = sd_rtnl_message_link_get_ifindex(message, &ifindex);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error_netdev(netdev, "Could not get ifindex: %s", strerror(-r));
|
|
|
|
netdev_enter_failed(netdev);
|
|
|
|
return r;
|
|
|
|
} else if (ifindex <= 0) {
|
|
|
|
log_error_netdev(netdev, "Got invalid ifindex: %d", ifindex);
|
|
|
|
netdev_enter_failed(netdev);
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if (netdev->ifindex > 0) {
|
|
|
|
if (netdev->ifindex != ifindex) {
|
|
|
|
log_error_netdev(netdev, "Could not set ifindex to %d, already set to %d",
|
|
|
|
ifindex, netdev->ifindex);
|
|
|
|
netdev_enter_failed(netdev);
|
|
|
|
return -EEXIST;
|
|
|
|
} else
|
|
|
|
/* ifindex already set to the same for this netdev */
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-04-18 10:28:42 +02:00
|
|
|
r = sd_rtnl_message_read_string(message, IFLA_IFNAME, &received_name);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error_netdev(netdev, "Could not get IFNAME");
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!streq(netdev->name, received_name)) {
|
|
|
|
log_error_netdev(netdev, "Received newlink with wrong IFNAME %s",
|
|
|
|
received_name);
|
|
|
|
netdev_enter_failed(netdev);
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-03-24 00:07:46 +01:00
|
|
|
r = sd_rtnl_message_enter_container(message, IFLA_LINKINFO);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error_netdev(netdev, "Could not get LINKINFO");
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = sd_rtnl_message_read_string(message, IFLA_INFO_KIND, &received_kind);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error_netdev(netdev, "Could not get KIND");
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-04-15 14:21:44 +02:00
|
|
|
r = sd_rtnl_message_exit_container(message);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error_netdev(netdev, "Could not exit container");
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-03-24 21:50:16 +01:00
|
|
|
kind = netdev_kind_to_string(netdev->kind);
|
|
|
|
if (!kind) {
|
|
|
|
log_error_netdev(netdev, "Could not get kind");
|
|
|
|
netdev_enter_failed(netdev);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2014-03-24 00:07:46 +01:00
|
|
|
if (!streq(kind, received_kind)) {
|
2014-04-18 10:28:42 +02:00
|
|
|
log_error_netdev(netdev, "Received newlink with wrong KIND %s, "
|
|
|
|
"expected %s", received_kind, kind);
|
2014-03-24 00:07:46 +01:00
|
|
|
netdev_enter_failed(netdev);
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-01-29 21:24:44 +01:00
|
|
|
netdev->ifindex = ifindex;
|
2014-01-21 21:58:08 +01:00
|
|
|
|
|
|
|
netdev_enter_ready(netdev);
|
2013-11-24 23:37:56 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
static int netdev_load_one(Manager *manager, const char *filename) {
|
2014-05-08 18:54:26 +02:00
|
|
|
_cleanup_netdev_unref_ NetDev *netdev = NULL;
|
2013-11-24 23:37:56 +01:00
|
|
|
_cleanup_fclose_ FILE *file = NULL;
|
|
|
|
int r;
|
|
|
|
|
2013-12-16 18:55:59 +01:00
|
|
|
assert(manager);
|
|
|
|
assert(filename);
|
|
|
|
|
2014-04-19 19:05:37 +02:00
|
|
|
if (null_or_empty_path(filename)) {
|
|
|
|
log_debug("skipping empty file: %s", filename);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-11-24 23:37:56 +01:00
|
|
|
file = fopen(filename, "re");
|
|
|
|
if (!file) {
|
|
|
|
if (errno == ENOENT)
|
|
|
|
return 0;
|
|
|
|
else
|
2014-04-03 20:05:01 +02:00
|
|
|
return -errno;
|
2013-11-24 23:37:56 +01:00
|
|
|
}
|
|
|
|
|
2014-02-07 17:03:23 +01:00
|
|
|
netdev = new0(NetDev, 1);
|
2014-01-21 21:58:08 +01:00
|
|
|
if (!netdev)
|
2013-11-24 23:37:56 +01:00
|
|
|
return log_oom();
|
|
|
|
|
2014-05-08 18:54:26 +02:00
|
|
|
netdev->n_ref = 1;
|
2014-01-21 21:58:08 +01:00
|
|
|
netdev->manager = manager;
|
|
|
|
netdev->state = _NETDEV_STATE_INVALID;
|
|
|
|
netdev->kind = _NETDEV_KIND_INVALID;
|
2014-02-25 21:16:17 +01:00
|
|
|
netdev->macvlan_mode = _NETDEV_MACVLAN_MODE_INVALID;
|
2014-02-10 18:41:54 +01:00
|
|
|
netdev->vlanid = VLANID_MAX + 1;
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-02-25 21:16:17 +01:00
|
|
|
r = config_parse(NULL, filename, file, "Match\0NetDev\0VLAN\0MACVLAN\0",
|
|
|
|
config_item_perf_lookup, (void*) network_netdev_gperf_lookup,
|
|
|
|
false, false, netdev);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0) {
|
|
|
|
log_warning("Could not parse config file %s: %s", filename, strerror(-r));
|
|
|
|
return r;
|
2014-01-02 15:30:46 +01:00
|
|
|
}
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
if (netdev->kind == _NETDEV_KIND_INVALID) {
|
2014-02-07 17:03:23 +01:00
|
|
|
log_warning("NetDev without Kind configured in %s. Ignoring", filename);
|
2014-01-21 21:58:08 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!netdev->name) {
|
2014-02-07 17:03:23 +01:00
|
|
|
log_warning("NetDev without Name configured in %s. Ignoring", filename);
|
2013-11-24 23:37:56 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-02-10 18:41:54 +01:00
|
|
|
if (netdev->kind == NETDEV_KIND_VLAN && netdev->vlanid > VLANID_MAX) {
|
|
|
|
log_warning("VLAN without valid Id configured in %s. Ignoring", filename);
|
2014-01-22 14:49:24 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-02-25 21:16:17 +01:00
|
|
|
if (netdev->kind != NETDEV_KIND_VLAN && netdev->vlanid <= VLANID_MAX) {
|
|
|
|
log_warning("VLAN Id configured for a %s in %s. Ignoring",
|
|
|
|
netdev_kind_to_string(netdev->kind), filename);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (netdev->kind != NETDEV_KIND_MACVLAN &&
|
|
|
|
netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) {
|
|
|
|
log_warning("MACVLAN Mode configured for a %s in %s. Ignoring",
|
|
|
|
netdev_kind_to_string(netdev->kind), filename);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
netdev->filename = strdup(filename);
|
|
|
|
if (!netdev->filename)
|
2013-11-24 23:37:56 +01:00
|
|
|
return log_oom();
|
|
|
|
|
2014-02-20 19:56:50 +01:00
|
|
|
if (net_match_config(NULL, NULL, NULL, NULL, NULL,
|
2014-02-21 14:51:19 +01:00
|
|
|
netdev->match_host, netdev->match_virt,
|
|
|
|
netdev->match_kernel, netdev->match_arch,
|
2014-02-21 22:29:25 +01:00
|
|
|
NULL, NULL, NULL, NULL, NULL, NULL) <= 0)
|
2014-02-20 19:56:50 +01:00
|
|
|
return 0;
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
r = hashmap_put(netdev->manager->netdevs, netdev->name, netdev);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
LIST_HEAD_INIT(netdev->callbacks);
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-02-25 21:16:17 +01:00
|
|
|
if (netdev->kind != NETDEV_KIND_VLAN &&
|
|
|
|
netdev->kind != NETDEV_KIND_MACVLAN) {
|
2014-01-22 14:49:24 +01:00
|
|
|
r = netdev_create(netdev, NULL, NULL);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
}
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-04-27 13:15:35 +02:00
|
|
|
log_debug_netdev(netdev, "loaded %s", netdev_kind_to_string(netdev->kind));
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
netdev = NULL;
|
2013-11-24 23:37:56 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
int netdev_load(Manager *manager) {
|
2014-02-07 17:03:23 +01:00
|
|
|
NetDev *netdev;
|
2013-11-24 23:37:56 +01:00
|
|
|
char **files, **f;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(manager);
|
|
|
|
|
2014-01-21 21:58:08 +01:00
|
|
|
while ((netdev = hashmap_first(manager->netdevs)))
|
2014-05-08 18:54:26 +02:00
|
|
|
netdev_unref(netdev);
|
2013-11-24 23:37:56 +01:00
|
|
|
|
2014-01-08 23:41:41 +01:00
|
|
|
r = conf_files_list_strv(&files, ".netdev", NULL, network_dirs);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to enumerate netdev files: %s", strerror(-r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
STRV_FOREACH_BACKWARDS(f, files) {
|
2014-01-21 21:58:08 +01:00
|
|
|
r = netdev_load_one(manager, *f);
|
2013-11-24 23:37:56 +01:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
strv_free(files);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|