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d506b89c | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
d6df583c SS |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2017 Susant Sahani | |
d6df583c SS |
6 | ***/ |
7 | ||
8 | #include "netdev/vxcan.h" | |
9 | #include "missing.h" | |
10 | ||
11 | static int netdev_vxcan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { | |
12 | VxCan *v; | |
13 | int r; | |
14 | ||
15 | assert(netdev); | |
16 | assert(!link); | |
17 | assert(m); | |
18 | ||
19 | v = VXCAN(netdev); | |
20 | ||
21 | assert(v); | |
22 | ||
23 | r = sd_netlink_message_open_container(m, VXCAN_INFO_PEER); | |
24 | if (r < 0) | |
25 | return log_netdev_error_errno(netdev, r, "Could not append VXCAN_INFO_PEER attribute: %m"); | |
26 | ||
27 | if (v->ifname_peer) { | |
28 | r = sd_netlink_message_append_string(m, IFLA_IFNAME, v->ifname_peer); | |
29 | if (r < 0) | |
30 | return log_error_errno(r, "Failed to add vxcan netlink interface peer name: %m"); | |
31 | } | |
32 | ||
33 | r = sd_netlink_message_close_container(m); | |
34 | if (r < 0) | |
35 | return log_netdev_error_errno(netdev, r, "Could not append VXCAN_INFO_PEER attribute: %m"); | |
36 | ||
37 | return r; | |
38 | } | |
39 | ||
40 | static int netdev_vxcan_verify(NetDev *netdev, const char *filename) { | |
41 | VxCan *v; | |
42 | ||
43 | assert(netdev); | |
44 | assert(filename); | |
45 | ||
46 | v = VXCAN(netdev); | |
47 | ||
48 | assert(v); | |
49 | ||
50 | if (!v->ifname_peer) { | |
51 | log_warning("VxCan NetDev without peer name configured in %s. Ignoring", filename); | |
52 | return -EINVAL; | |
53 | } | |
54 | ||
55 | return 0; | |
56 | } | |
57 | ||
58 | static void vxcan_done(NetDev *n) { | |
59 | VxCan *v; | |
60 | ||
61 | assert(n); | |
62 | ||
63 | v = VXCAN(n); | |
64 | ||
65 | assert(v); | |
66 | ||
67 | free(v->ifname_peer); | |
68 | } | |
69 | ||
70 | const NetDevVTable vxcan_vtable = { | |
71 | .object_size = sizeof(VxCan), | |
72 | .sections = "Match\0NetDev\0VXCAN\0", | |
73 | .done = vxcan_done, | |
74 | .fill_message_create = netdev_vxcan_fill_message_create, | |
75 | .create_type = NETDEV_CREATE_INDEPENDENT, | |
76 | .config_verify = netdev_vxcan_verify, | |
77 | }; |