xref: /aosp_15_r20/external/kernel-headers/original/uapi/linux/hdlc.h (revision f80ad8b4341604f5951dab671d41019a6d7087ce)
1*f80ad8b4SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2*f80ad8b4SAndroid Build Coastguard Worker /*
3*f80ad8b4SAndroid Build Coastguard Worker  * Generic HDLC support routines for Linux
4*f80ad8b4SAndroid Build Coastguard Worker  *
5*f80ad8b4SAndroid Build Coastguard Worker  * Copyright (C) 1999-2005 Krzysztof Halasa <[email protected]>
6*f80ad8b4SAndroid Build Coastguard Worker  *
7*f80ad8b4SAndroid Build Coastguard Worker  * This program is free software; you can redistribute it and/or modify it
8*f80ad8b4SAndroid Build Coastguard Worker  * under the terms of version 2 of the GNU General Public License
9*f80ad8b4SAndroid Build Coastguard Worker  * as published by the Free Software Foundation.
10*f80ad8b4SAndroid Build Coastguard Worker  */
11*f80ad8b4SAndroid Build Coastguard Worker 
12*f80ad8b4SAndroid Build Coastguard Worker #ifndef _UAPI__HDLC_H
13*f80ad8b4SAndroid Build Coastguard Worker #define _UAPI__HDLC_H
14*f80ad8b4SAndroid Build Coastguard Worker 
15*f80ad8b4SAndroid Build Coastguard Worker 
16*f80ad8b4SAndroid Build Coastguard Worker #define HDLC_MAX_MTU 1500	/* Ethernet 1500 bytes */
17*f80ad8b4SAndroid Build Coastguard Worker #if 0
18*f80ad8b4SAndroid Build Coastguard Worker #define HDLC_MAX_MRU (HDLC_MAX_MTU + 10 + 14 + 4) /* for ETH+VLAN over FR */
19*f80ad8b4SAndroid Build Coastguard Worker #else
20*f80ad8b4SAndroid Build Coastguard Worker #define HDLC_MAX_MRU 1600 /* as required for FR network */
21*f80ad8b4SAndroid Build Coastguard Worker #endif
22*f80ad8b4SAndroid Build Coastguard Worker 
23*f80ad8b4SAndroid Build Coastguard Worker 
24*f80ad8b4SAndroid Build Coastguard Worker #endif /* _UAPI__HDLC_H */
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