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Release 4.17 include/uapi/linux/tipc.h

/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
/*
 * include/uapi/linux/tipc.h: Header for TIPC socket interface
 *
 * Copyright (c) 2003-2006, 2015-2016 Ericsson AB
 * Copyright (c) 2005, 2010-2011, Wind River Systems
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the names of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _LINUX_TIPC_H_

#define _LINUX_TIPC_H_

#include <linux/types.h>
#include <linux/sockios.h>

/*
 * TIPC addressing primitives
 */


struct tipc_socket_addr {
	
__u32 ref;
	
__u32 node;
};


struct tipc_service_addr {
	
__u32 type;
	
__u32 instance;
};


struct tipc_service_range {
	
__u32 type;
	
__u32 lower;
	
__u32 upper;
};

/*
 * Application-accessible service types
 */


#define TIPC_NODE_STATE		0	
/* node state service type */

#define TIPC_TOP_SRV		1	
/* topology server service type */

#define TIPC_LINK_STATE		2	
/* link state service type */

#define TIPC_RESERVED_TYPES	64	
/* lowest user-allowed service type */

/*
 * Publication scopes when binding service / service range
 */

enum tipc_scope {
	
TIPC_CLUSTER_SCOPE = 2, /* 0 can also be used */
	
TIPC_NODE_SCOPE    = 3
};

/*
 * Limiting values for messages
 */


#define TIPC_MAX_USER_MSG_SIZE	66000U

/*
 * Message importance levels
 */


#define TIPC_LOW_IMPORTANCE		0

#define TIPC_MEDIUM_IMPORTANCE		1

#define TIPC_HIGH_IMPORTANCE		2

#define TIPC_CRITICAL_IMPORTANCE	3

/*
 * Msg rejection/connection shutdown reasons
 */


#define TIPC_OK			0

#define TIPC_ERR_NO_NAME	1

#define TIPC_ERR_NO_PORT	2

#define TIPC_ERR_NO_NODE	3

#define TIPC_ERR_OVERLOAD	4

#define TIPC_CONN_SHUTDOWN	5

/*
 * TIPC topology subscription service definitions
 */


#define TIPC_SUB_PORTS          0x01    
/* filter: evt at each match */

#define TIPC_SUB_SERVICE        0x02    
/* filter: evt at first up/last down */

#define TIPC_SUB_CANCEL         0x04    
/* filter: cancel a subscription */


#define TIPC_WAIT_FOREVER	(~0)	
/* timeout for permanent subscription */


struct tipc_subscr {
	
struct tipc_service_range seq;	/* range of interest */
	
__u32 timeout;			/* subscription duration (in ms) */
	
__u32 filter;			/* bitmask of filter options */
	
char usr_handle[8];		/* available for subscriber use */
};


#define TIPC_PUBLISHED		1	
/* publication event */

#define TIPC_WITHDRAWN		2	
/* withdrawal event */

#define TIPC_SUBSCR_TIMEOUT	3	
/* subscription timeout event */


struct tipc_event {
	
__u32 event;			/* event type */
	
__u32 found_lower;		/* matching range */
	
__u32 found_upper;		/*    "      "    */
	
struct tipc_socket_addr port;	/* associated socket */
	
struct tipc_subscr s;		/* associated subscription */
};

/*
 * Socket API
 */

#ifndef AF_TIPC

#define AF_TIPC		30
#endif

#ifndef PF_TIPC

#define PF_TIPC		AF_TIPC
#endif

#ifndef SOL_TIPC

#define SOL_TIPC	271
#endif


#define TIPC_ADDR_MCAST         1

#define TIPC_SERVICE_RANGE      1

#define TIPC_SERVICE_ADDR       2

#define TIPC_SOCKET_ADDR        3


struct sockaddr_tipc {
	
unsigned short family;
	
unsigned char  addrtype;
	
signed   char  scope;
	
union {
		
struct tipc_socket_addr id;
		
struct tipc_service_range nameseq;
		
struct {
			
struct tipc_service_addr name;
			
__u32 domain;
		
} name;
	
} addr;
};

/*
 * Ancillary data objects supported by recvmsg()
 */


#define TIPC_ERRINFO	1	
/* error info */

#define TIPC_RETDATA	2	
/* returned data */

#define TIPC_DESTNAME	3	
/* destination name */

/*
 * TIPC-specific socket option names
 */


#define TIPC_IMPORTANCE		127	
/* Default: TIPC_LOW_IMPORTANCE */

#define TIPC_SRC_DROPPABLE	128	
/* Default: based on socket type */

#define TIPC_DEST_DROPPABLE	129	
/* Default: based on socket type */

#define TIPC_CONN_TIMEOUT	130	
/* Default: 8000 (ms)  */

#define TIPC_NODE_RECVQ_DEPTH	131	
/* Default: none (read only) */

#define TIPC_SOCK_RECVQ_DEPTH	132	
/* Default: none (read only) */

#define TIPC_MCAST_BROADCAST    133     
/* Default: TIPC selects. No arg */

#define TIPC_MCAST_REPLICAST    134     
/* Default: TIPC selects. No arg */

#define TIPC_GROUP_JOIN         135     
/* Takes struct tipc_group_req* */

#define TIPC_GROUP_LEAVE        136     
/* No argument */

/*
 * Flag values
 */

#define TIPC_GROUP_LOOPBACK     0x1  
/* Receive copy of sent msg when match */

#define TIPC_GROUP_MEMBER_EVTS  0x2  
/* Receive membership events in socket */


struct tipc_group_req {
	
__u32 type;      /* group id */
	
__u32 instance;  /* member id */
	
__u32 scope;     /* cluster/node */
	
__u32 flags;
};

/*
 * Maximum sizes of TIPC bearer-related names (including terminating NULL)
 * The string formatting for each name element is:
 * media: media
 * interface: media:interface name
 * link: Z.C.N:interface-Z.C.N:interface
 *
 */


#define TIPC_MAX_MEDIA_NAME	16

#define TIPC_MAX_IF_NAME	16

#define TIPC_MAX_BEARER_NAME	32

#define TIPC_MAX_LINK_NAME	68


#define SIOCGETLINKNAME		SIOCPROTOPRIVATE


struct tipc_sioc_ln_req {
	
__u32 peer;
	
__u32 bearer_id;
	
char linkname[TIPC_MAX_LINK_NAME];
};


/* The macros and functions below are deprecated:
 */


#define TIPC_CFG_SRV		0

#define TIPC_ZONE_SCOPE         1


#define TIPC_ADDR_NAMESEQ	1

#define TIPC_ADDR_NAME		2

#define TIPC_ADDR_ID		3


#define TIPC_NODE_BITS          12

#define TIPC_CLUSTER_BITS       12

#define TIPC_ZONE_BITS          8


#define TIPC_NODE_OFFSET        0

#define TIPC_CLUSTER_OFFSET     TIPC_NODE_BITS

#define TIPC_ZONE_OFFSET        (TIPC_CLUSTER_OFFSET + TIPC_CLUSTER_BITS)


#define TIPC_NODE_SIZE          ((1UL << TIPC_NODE_BITS) - 1)

#define TIPC_CLUSTER_SIZE       ((1UL << TIPC_CLUSTER_BITS) - 1)

#define TIPC_ZONE_SIZE          ((1UL << TIPC_ZONE_BITS) - 1)


#define TIPC_NODE_MASK		(TIPC_NODE_SIZE << TIPC_NODE_OFFSET)

#define TIPC_CLUSTER_MASK	(TIPC_CLUSTER_SIZE << TIPC_CLUSTER_OFFSET)

#define TIPC_ZONE_MASK		(TIPC_ZONE_SIZE << TIPC_ZONE_OFFSET)


#define TIPC_ZONE_CLUSTER_MASK (TIPC_ZONE_MASK | TIPC_CLUSTER_MASK)


#define tipc_portid tipc_socket_addr

#define tipc_name tipc_service_addr

#define tipc_name_seq tipc_service_range


static inline __u32 tipc_addr(unsigned int zone, unsigned int cluster, unsigned int node) { return (zone << TIPC_ZONE_OFFSET) | (cluster << TIPC_CLUSTER_OFFSET) | node; }

Contributors

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Jon Paul Maloy34100.00%1100.00%
Total34100.00%1100.00%


static inline unsigned int tipc_zone(__u32 addr) { return addr >> TIPC_ZONE_OFFSET; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Paul Maloy16100.00%1100.00%
Total16100.00%1100.00%


static inline unsigned int tipc_cluster(__u32 addr) { return (addr & TIPC_CLUSTER_MASK) >> TIPC_CLUSTER_OFFSET; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Paul Maloy20100.00%1100.00%
Total20100.00%1100.00%


static inline unsigned int tipc_node(__u32 addr) { return addr & TIPC_NODE_MASK; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Paul Maloy16100.00%1100.00%
Total16100.00%1100.00%

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Per Liden28245.78%211.11%
Jon Paul Maloy26442.86%738.89%
Erik Hugne447.14%211.11%
oscar.medina@motorola.com101.62%15.56%
Neil Horman91.46%15.56%
Allan Stephens40.65%316.67%
Lijun Chen20.32%15.56%
Greg Kroah-Hartman10.16%15.56%
Total616100.00%18100.00%
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