summaryrefslogtreecommitdiff
path: root/src/network/networkd-netdev-vlan.c
blob: 0ed024b41d444205e345715c8a5adbf987d2c1b9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/*-*- 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 <net/if.h>

#include "networkd-netdev-vlan.h"

static int netdev_vlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *req) {
        VLan *v = VLAN(netdev);
        int r;

        assert(netdev);
        assert(v);
        assert(link);
        assert(req);

        if (v->id <= VLANID_MAX) {
                r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, v->id);
                if (r < 0) {
                        log_netdev_error(netdev,
                                         "Could not append IFLA_VLAN_ID attribute: %s",
                                         strerror(-r));
                        return r;
                }
        }

        return 0;
}

static int netdev_vlan_verify(NetDev *netdev, const char *filename) {
        VLan *v = VLAN(netdev);

        assert(netdev);
        assert(v);
        assert(filename);

        if (v->id > VLANID_MAX) {
                log_warning("VLAN without valid Id (%"PRIu64") configured in %s. Ignoring", v->id, filename);
                return -EINVAL;
        }

        return 0;
}

static void vlan_init(NetDev *netdev) {
        VLan *v = VLAN(netdev);

        assert(netdev);
        assert(v);

        v->id = VLANID_MAX + 1;
}

const NetDevVTable vlan_vtable = {
        .object_size = sizeof(VLan),
        .init = vlan_init,
        .sections = "Match\0NetDev\0VLAN\0",
        .fill_message_create = netdev_vlan_fill_message_create,
        .create_type = NETDEV_CREATE_STACKED,
        .config_verify = netdev_vlan_verify,
};