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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
0372cb2b TG |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
c8b21184 | 21 | #include <linux/if_vlan.h> |
0372cb2b TG |
22 | #include <net/if.h> |
23 | ||
441e9ae4 | 24 | #include "netdev/vlan.h" |
267fabd2 | 25 | #include "vlan-util.h" |
0372cb2b | 26 | |
1c4baffc | 27 | static int netdev_vlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *req) { |
c8b21184 | 28 | struct ifla_vlan_flags flags = {}; |
2645f07d | 29 | VLan *v; |
0372cb2b TG |
30 | int r; |
31 | ||
32 | assert(netdev); | |
0372cb2b | 33 | assert(link); |
3be1d7e0 | 34 | assert(req); |
0372cb2b | 35 | |
2645f07d SS |
36 | v = VLAN(netdev); |
37 | ||
38 | assert(v); | |
39 | ||
267fabd2 LP |
40 | r = sd_netlink_message_append_u16(req, IFLA_VLAN_ID, v->id); |
41 | if (r < 0) | |
42 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_VLAN_ID attribute: %m"); | |
0372cb2b | 43 | |
c8b21184 SS |
44 | if (v->gvrp != -1) { |
45 | flags.mask |= VLAN_FLAG_GVRP; | |
ab8ee0f2 | 46 | SET_FLAG(flags.flags, VLAN_FLAG_GVRP, v->gvrp); |
c8b21184 SS |
47 | } |
48 | ||
6c1ff21b SS |
49 | if (v->mvrp != -1) { |
50 | flags.mask |= VLAN_FLAG_MVRP; | |
51 | SET_FLAG(flags.flags, VLAN_FLAG_MVRP, v->mvrp); | |
52 | } | |
53 | ||
54 | if (v->reorder_hdr != -1) { | |
55 | flags.mask |= VLAN_FLAG_REORDER_HDR; | |
56 | SET_FLAG(flags.flags, VLAN_FLAG_REORDER_HDR, v->reorder_hdr); | |
57 | } | |
58 | ||
59 | if (v->loose_binding != -1) { | |
60 | flags.mask |= VLAN_FLAG_LOOSE_BINDING; | |
61 | SET_FLAG(flags.flags, VLAN_FLAG_LOOSE_BINDING, v->loose_binding); | |
62 | } | |
63 | ||
c8b21184 SS |
64 | r = sd_netlink_message_append_data(req, IFLA_VLAN_FLAGS, &flags, sizeof(struct ifla_vlan_flags)); |
65 | if (r < 0) | |
66 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_VLAN_FLAGS attribute: %m"); | |
67 | ||
3be1d7e0 TG |
68 | return 0; |
69 | } | |
e04468de | 70 | |
3be1d7e0 | 71 | static int netdev_vlan_verify(NetDev *netdev, const char *filename) { |
2645f07d | 72 | VLan *v; |
aa9f1140 | 73 | |
3be1d7e0 TG |
74 | assert(netdev); |
75 | assert(filename); | |
0372cb2b | 76 | |
2645f07d SS |
77 | v = VLAN(netdev); |
78 | ||
79 | assert(v); | |
80 | ||
267fabd2 LP |
81 | if (v->id == VLANID_INVALID) { |
82 | log_warning("VLAN without valid Id (%"PRIu16") configured in %s.", v->id, filename); | |
3be1d7e0 TG |
83 | return -EINVAL; |
84 | } | |
0372cb2b TG |
85 | |
86 | return 0; | |
87 | } | |
3be1d7e0 | 88 | |
aa9f1140 TG |
89 | static void vlan_init(NetDev *netdev) { |
90 | VLan *v = VLAN(netdev); | |
91 | ||
92 | assert(netdev); | |
93 | assert(v); | |
94 | ||
267fabd2 | 95 | v->id = VLANID_INVALID; |
c8b21184 | 96 | v->gvrp = -1; |
6c1ff21b SS |
97 | v->mvrp = -1; |
98 | v->loose_binding = -1; | |
99 | v->reorder_hdr = -1; | |
aa9f1140 TG |
100 | } |
101 | ||
3be1d7e0 | 102 | const NetDevVTable vlan_vtable = { |
aa9f1140 TG |
103 | .object_size = sizeof(VLan), |
104 | .init = vlan_init, | |
105 | .sections = "Match\0NetDev\0VLAN\0", | |
106 | .fill_message_create = netdev_vlan_fill_message_create, | |
107 | .create_type = NETDEV_CREATE_STACKED, | |
3be1d7e0 TG |
108 | .config_verify = netdev_vlan_verify, |
109 | }; |