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      1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2 /*
      3  * These are the public elements of the Linux kernel Rose implementation.
      4  * For kernel AX.25 see the file ax25.h. This file requires ax25.h for the
      5  * definition of the ax25_address structure.
      6  */
      7 
      8 #ifndef	ROSE_KERNEL_H
      9 #define	ROSE_KERNEL_H
     10 
     11 #include <linux/socket.h>
     12 #include <linux/ax25.h>
     13 
     14 #define ROSE_MTU	251
     15 
     16 #define ROSE_MAX_DIGIS 6
     17 
     18 #define	ROSE_DEFER	1
     19 #define ROSE_T1		2
     20 #define	ROSE_T2		3
     21 #define	ROSE_T3		4
     22 #define	ROSE_IDLE	5
     23 #define	ROSE_QBITINCL	6
     24 #define	ROSE_HOLDBACK	7
     25 
     26 #define	SIOCRSGCAUSE		(SIOCPROTOPRIVATE+0)
     27 #define	SIOCRSSCAUSE		(SIOCPROTOPRIVATE+1)
     28 #define	SIOCRSL2CALL		(SIOCPROTOPRIVATE+2)
     29 #define	SIOCRSSL2CALL		(SIOCPROTOPRIVATE+2)
     30 #define	SIOCRSACCEPT		(SIOCPROTOPRIVATE+3)
     31 #define	SIOCRSCLRRT		(SIOCPROTOPRIVATE+4)
     32 #define	SIOCRSGL2CALL		(SIOCPROTOPRIVATE+5)
     33 #define	SIOCRSGFACILITIES	(SIOCPROTOPRIVATE+6)
     34 
     35 #define	ROSE_DTE_ORIGINATED	0x00
     36 #define	ROSE_NUMBER_BUSY	0x01
     37 #define	ROSE_INVALID_FACILITY	0x03
     38 #define	ROSE_NETWORK_CONGESTION	0x05
     39 #define	ROSE_OUT_OF_ORDER	0x09
     40 #define	ROSE_ACCESS_BARRED	0x0B
     41 #define	ROSE_NOT_OBTAINABLE	0x0D
     42 #define	ROSE_REMOTE_PROCEDURE	0x11
     43 #define	ROSE_LOCAL_PROCEDURE	0x13
     44 #define	ROSE_SHIP_ABSENT	0x39
     45 
     46 typedef struct {
     47 	char		rose_addr[5];
     48 } rose_address;
     49 
     50 struct sockaddr_rose {
     51 	__kernel_sa_family_t srose_family;
     52 	rose_address	srose_addr;
     53 	ax25_address	srose_call;
     54 	int		srose_ndigis;
     55 	ax25_address	srose_digi;
     56 };
     57 
     58 struct full_sockaddr_rose {
     59 	__kernel_sa_family_t srose_family;
     60 	rose_address	srose_addr;
     61 	ax25_address	srose_call;
     62 	unsigned int	srose_ndigis;
     63 	ax25_address	srose_digis[ROSE_MAX_DIGIS];
     64 };
     65 
     66 struct rose_route_struct {
     67 	rose_address	address;
     68 	unsigned short	mask;
     69 	ax25_address	neighbour;
     70 	char		device[16];
     71 	unsigned char	ndigis;
     72 	ax25_address	digipeaters[AX25_MAX_DIGIS];
     73 };
     74 
     75 struct rose_cause_struct {
     76 	unsigned char	cause;
     77 	unsigned char	diagnostic;
     78 };
     79 
     80 struct rose_facilities_struct {
     81 	rose_address	source_addr,   dest_addr;
     82 	ax25_address	source_call,   dest_call;
     83 	unsigned char	source_ndigis, dest_ndigis;
     84 	ax25_address	source_digis[ROSE_MAX_DIGIS];
     85 	ax25_address	dest_digis[ROSE_MAX_DIGIS];
     86 	unsigned int	rand;
     87 	rose_address	fail_addr;
     88 	ax25_address	fail_call;
     89 };
     90 
     91 #endif
     92