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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316/* 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 */#define TIPC_SOCK_RECVQ_USED 137 /* Default: none (read only) */#define TIPC_NODELAY 138 /* Default: false */
/* * 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: node:interface-node:interface */#define TIPC_NODEID_LEN 16#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#define SIOCGETNODEID (SIOCPROTOPRIVATE + 1)
struct tipc_sioc_ln_req { __u32 peer; __u32 bearer_id; char linkname[TIPC_MAX_LINK_NAME];};
struct tipc_sioc_nodeid_req { __u32 peer; char node_id[TIPC_NODEID_LEN];};
/* * TIPC Crypto, AEAD */#define TIPC_AEAD_ALG_NAME (32)
struct tipc_aead_key { char alg_name[TIPC_AEAD_ALG_NAME]; unsigned int keylen; /* in bytes */ char key[];};
#define TIPC_AEAD_KEYLEN_MIN (16 + 4)#define TIPC_AEAD_KEYLEN_MAX (32 + 4)#define TIPC_AEAD_KEY_SIZE_MAX (sizeof(struct tipc_aead_key) + \ TIPC_AEAD_KEYLEN_MAX)
static inline int tipc_aead_key_size(struct tipc_aead_key *key){ return sizeof(*key) + key->keylen;}
#define TIPC_REKEYING_NOW (~0U)
/* 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;}
static inline unsigned int tipc_zone(__u32 addr){ return addr >> TIPC_ZONE_OFFSET;}
static inline unsigned int tipc_cluster(__u32 addr){ return (addr & TIPC_CLUSTER_MASK) >> TIPC_CLUSTER_OFFSET;}
static inline unsigned int tipc_node(__u32 addr){ return addr & TIPC_NODE_MASK;}
#endif