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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
af6f0d42 | 2 | |
b5efdb8a | 3 | #include "alloc-util.h" |
3ec2f7f2 LP |
4 | #include "device-util.h" |
5 | #include "errno-util.h" | |
af6f0d42 | 6 | #include "link-config.h" |
af6f0d42 | 7 | #include "log.h" |
d9b3e996 | 8 | #include "string-util.h" |
07a26e42 | 9 | #include "udev-builtin.h" |
af6f0d42 | 10 | |
9588bc32 | 11 | static link_config_ctx *ctx = NULL; |
af6f0d42 | 12 | |
3fc2e9a2 | 13 | static int builtin_net_setup_link(sd_device *dev, int argc, char **argv, bool test) { |
847a8a5f | 14 | _cleanup_free_ char *driver = NULL; |
c487c9ce | 15 | const char *name = NULL; |
af6f0d42 TG |
16 | link_config *link; |
17 | int r; | |
18 | ||
70fbab6e | 19 | if (argc > 1) |
a1193286 | 20 | return log_device_error_errno(dev, SYNTHETIC_ERRNO(EINVAL), "This program takes no arguments."); |
af6f0d42 | 21 | |
d9b3e996 | 22 | r = link_get_driver(ctx, dev, &driver); |
d61db498 | 23 | if (r < 0) |
3ec2f7f2 | 24 | log_device_full_errno(dev, ERRNO_IS_NOT_SUPPORTED(r) || r == -ENODEV ? LOG_DEBUG : LOG_WARNING, |
d61db498 ZJS |
25 | r, "Failed to query device driver: %m"); |
26 | else | |
d9b3e996 | 27 | udev_builtin_add_property(dev, test, "ID_NET_DRIVER", driver); |
847a8a5f | 28 | |
d9b3e996 | 29 | r = link_config_get(ctx, dev, &link); |
af6f0d42 | 30 | if (r < 0) { |
d354690e | 31 | if (r == -ENOENT) |
70fbab6e | 32 | return log_device_debug_errno(dev, r, "No matching link configuration found."); |
3ec2f7f2 LP |
33 | if (r == -ENODEV) |
34 | return log_device_debug_errno(dev, r, "Link vanished while searching for configuration for it."); | |
d354690e | 35 | |
70fbab6e | 36 | return log_device_error_errno(dev, r, "Failed to get link config: %m"); |
af6f0d42 TG |
37 | } |
38 | ||
d9b3e996 | 39 | r = link_config_apply(ctx, link, dev, &name); |
3ec2f7f2 LP |
40 | if (r == -ENODEV) |
41 | log_device_debug_errno(dev, r, "Link vanished while applying configuration, ignoring."); | |
42 | else if (r < 0) | |
43 | log_device_warning_errno(dev, r, "Could not apply link configuration, ignoring: %m"); | |
af6f0d42 | 44 | |
d9b3e996 | 45 | udev_builtin_add_property(dev, test, "ID_NET_LINK_FILE", link->filename); |
ad6e5b34 | 46 | |
3e137a1b | 47 | if (name) |
d9b3e996 | 48 | udev_builtin_add_property(dev, test, "ID_NET_NAME", name); |
3e137a1b | 49 | |
d354690e | 50 | return 0; |
af6f0d42 TG |
51 | } |
52 | ||
2024ed61 | 53 | static int builtin_net_setup_link_init(void) { |
af6f0d42 TG |
54 | int r; |
55 | ||
56 | if (ctx) | |
57 | return 0; | |
58 | ||
59 | r = link_config_ctx_new(&ctx); | |
60 | if (r < 0) | |
61 | return r; | |
62 | ||
63 | r = link_config_load(ctx); | |
64 | if (r < 0) | |
65 | return r; | |
66 | ||
01d4590b | 67 | log_debug("Created link configuration context."); |
af6f0d42 TG |
68 | return 0; |
69 | } | |
70 | ||
2024ed61 | 71 | static void builtin_net_setup_link_exit(void) { |
af6f0d42 | 72 | link_config_ctx_free(ctx); |
e0221a35 | 73 | ctx = NULL; |
01d4590b | 74 | log_debug("Unloaded link configuration context."); |
af6f0d42 TG |
75 | } |
76 | ||
2024ed61 | 77 | static bool builtin_net_setup_link_validate(void) { |
01d4590b | 78 | log_debug("Check if link configuration needs reloading."); |
af6f0d42 TG |
79 | if (!ctx) |
80 | return false; | |
81 | ||
82 | return link_config_should_reload(ctx); | |
83 | } | |
84 | ||
25de7aa7 | 85 | const UdevBuiltin udev_builtin_net_setup_link = { |
0b99c9f8 TG |
86 | .name = "net_setup_link", |
87 | .cmd = builtin_net_setup_link, | |
88 | .init = builtin_net_setup_link_init, | |
89 | .exit = builtin_net_setup_link_exit, | |
90 | .validate = builtin_net_setup_link_validate, | |
5ac0162c | 91 | .help = "Configure network link", |
af6f0d42 TG |
92 | .run_once = false, |
93 | }; |