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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/shared/vlan-util.h
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/shared/vlan-util.h')
-rw-r--r--src/shared/vlan-util.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/shared/vlan-util.h b/src/shared/vlan-util.h
new file mode 100644
index 0000000..0336908
--- /dev/null
+++ b/src/shared/vlan-util.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdbool.h>
+#include <inttypes.h>
+
+#include "conf-parser.h"
+
+#define VLANID_MAX 4094
+#define VLANID_INVALID UINT16_MAX
+
+/* Note that we permit VLAN Id 0 here, as that is apparently OK by the Linux kernel */
+static inline bool vlanid_is_valid(uint16_t id) {
+ return id <= VLANID_MAX;
+}
+
+int parse_vlanid(const char *p, uint16_t *ret);
+int parse_vid_range(const char *p, uint16_t *vid, uint16_t *vid_end);
+
+CONFIG_PARSER_PROTOTYPE(config_parse_default_port_vlanid);
+CONFIG_PARSER_PROTOTYPE(config_parse_vlanid);