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authorKacper <kacper@mail.openlinux.dev>2025-12-07 20:10:31 +0100
committerKacper <kacper@mail.openlinux.dev>2025-12-07 20:10:31 +0100
commitfc00c656c96528112d05cf0edf8631bd5eaea446 (patch)
treea6e0e6c588191a8bd1c64afc3b7a258e3e66c236 /include/arch/x86_64/linux/hdlc.h
Add build system scaffolding and libc headers
Diffstat (limited to 'include/arch/x86_64/linux/hdlc.h')
-rw-r--r--include/arch/x86_64/linux/hdlc.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/arch/x86_64/linux/hdlc.h b/include/arch/x86_64/linux/hdlc.h
new file mode 100644
index 00000000..4f6ca159
--- /dev/null
+++ b/include/arch/x86_64/linux/hdlc.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Generic HDLC support routines for Linux
+ *
+ * Copyright (C) 1999-2005 Krzysztof Halasa <khc@pm.waw.pl>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#ifndef __HDLC_H
+#define __HDLC_H
+
+#define HDLC_MAX_MTU 1500 /* Ethernet 1500 bytes */
+#if 0
+#define HDLC_MAX_MRU (HDLC_MAX_MTU + 10 + 14 + 4) /* for ETH+VLAN over FR */
+#else
+#define HDLC_MAX_MRU 1600 /* as required for FR network */
+#endif
+
+#endif /* __HDLC_H */