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2026-07-30 11:19:44 +05:30

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C

/*
* tipc.h: Include file for TIPC interface
*
* Copyright (c) 2003-2006, Ericsson AB
* Copyright (c) 2004-2010, 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.
* ------------------------------------------------------------------------
* modification history
* --------------------
* 02a,09dec10,h_x Fix warnings
* 01z,16jul10,h_x Fix WIND00220144
* 01y,11may10,h_x Port the patches to VxWorks from Linux TIPC 1.7.7
* 01x,28apr10,pad Moved extern C statement after include statements.
* 01w,18sep09,h_x Fix WIND00156921 and WIND00172937
* 01v,20jan09,h_w add TIPC_SMP_SUPPORT and TIPC_WV_SUPPORT definitions
* 01u,08oct08,als Update to TIPC 1.7.6 (Defect WIND00127984)
* 01t,30mar07,mze post SMP review changes
* 01s,21feb07,ggz moving spinLock_t and some other declarations into tipc_locklib.h
* 01r,20jun06,mze code review changes for TIPC portability
* 01q,14jun06,ggz added AF_TIPC support in vxWorks6.0 for TIPC portability
* 01p,13mar06,ebh change family field type in sockaddr_tipc to unsigned char
* 01o,15feb06,bwa remove unused fields in media descriptor as per code review
* 01n,06feb06,bwa 'media start' routine now returns success/error code.
* 01m,19jan06,mze added TASK defines
* 01l,16jan06,als updated to Linux TIPC 1.5.9-equivalence
* 01k,15nov05,ebh Port of SF TIPC 1.6 code base
* 01j,12may05,als update AF_TIPC to avoid conflict with AF_ATM
* 01i,08apr05,als consolidate copyright info; fix compiler inlining warnings
* 01h,08feb05,bwa added shared memory address type.
* 01g,15dec04,als add support for poll()-like events
* 01f,25oct04,als fix comment
* 01e,05oct04,als Fix misleading comment
* 01d,14sep04,als name table display enhancements
* 01c,03sep04,als incorporated code inspection feedback
* 01b,07aug04,p_r code update
* 01a,30jun04,als Ported to VxWorks
*
*/
#ifndef _VXWORKS_TIPC_H_
#define _VXWORKS_TIPC_H_
#include <vxWorks.h>
#include <sys/socket.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Scalar data types used by TIPC */
typedef unsigned char u8, __u8, unchar;
typedef char s8, __s8;
typedef unsigned short u16, __u16, __be16;
typedef short s16, __s16;
typedef unsigned int u32, __u32, __be32, uint;
typedef int s32, __s32;
/*
* COMPILER-RELATED APIS REQUIRED BY TIPC COMMON FILES
*/
/* Define alternative form of "inline" keyword used by compiler */
#define inline __inline__
/* Define alternative form of "typeof" keyword used by compiler */
#define typeof __typeof__
/* Compiler doesn't support branch prediction hints, so treat as a no-op */
#define likely(X) (X)
#define unlikely(X) (X)
/*
* Macros for number representation conversion.
* (Can't get these by including netinet/in.h because it indirectly includes
* a .h file that contains a typedef for "struct node"; this typedef conflicts
* with the typedef for "struct node" defined by TIPC in tipc_node.h.)
*/
#if _BYTE_ORDER==_BIG_ENDIAN
#ifndef ntohl
#define ntohl(x) (x)
#endif
#ifndef ntohs
#define ntohs(x) (x)
#endif
#ifndef htonl
#define htonl(x) (x)
#endif
#ifndef htons
#define htons(x) (x)
#endif
#endif /* _BYTE_ORDER==_BIG_ENDIAN */
#if _BYTE_ORDER==_LITTLE_ENDIAN
#ifndef ntohl
#define ntohl(x) ((((x) & 0x000000ff) << 24) | \
(((x) & 0x0000ff00) << 8) | \
(((x) & 0x00ff0000) >> 8) | \
(((x) & 0xff000000) >> 24))
#endif
#ifndef htonl
#define htonl(x) ((((x) & 0x000000ff) << 24) | \
(((x) & 0x0000ff00) << 8) | \
(((x) & 0x00ff0000) >> 8) | \
(((x) & 0xff000000) >> 24))
#endif
#ifndef ntohs
#define ntohs(x) (__be16)((((x) & 0x00ff) << 8) | \
(((x) & 0xff00) >> 8))
#endif
#ifndef htons
#define htons(x) (__be16)((((x) & 0x00ff) << 8) | \
(((x) & 0xff00) >> 8))
#endif
#endif /* _BYTE_ORDER==_LITTLE_ENDIAN */
/* declare existence of spinlock_t */
struct tipc_lock_item;
typedef struct tipc_lock_item *spinlock_t;
/*
* TIPC addressing primitives
*
* (Uses macros rather than inline functions to avoid compiler warnings)
*/
struct tipc_portid {
__u32 ref;
__u32 node;
};
struct tipc_name {
__u32 type;
__u32 instance;
};
struct tipc_name_seq {
__u32 type;
__u32 lower;
__u32 upper;
};
#define tipc_addr(Z,C,N) (((Z)<<24)|((C)<<12)|(N))
#define tipc_zone(A) ((A)>> 24)
#define tipc_cluster(A) (((A) >> 12) & 0xfff)
#define tipc_node(A) ((A) & 0xfff)
/*
* Task defines for handler.c and others that need to know the PRIORITY
*/
#define TIPC_TASK_PRIORITY (52)
#define TIPC_TASK_OPTIONS (0)
#define TIPC_TASK_STACKSIZE (5000)
/*
* Application-accessible port name types
*/
#define TIPC_CFG_SRV 0 /* configuration service name type */
#define TIPC_TOP_SRV 1 /* topology service name type */
#define TIPC_RESERVED_TYPES 64 /* lowest user-publishable name type */
/*
* Publication scopes when binding port names and port name sequences
*/
#define TIPC_ZONE_SCOPE 1
#define TIPC_CLUSTER_SCOPE 2
#define TIPC_NODE_SCOPE 3
#define TIPC_NETWORK_SCOPE 4 /* NOT AVAILABLE YET */
/*
* Limiting values for messages
*/
#define TIPC_MAX_USER_MSG_SIZE 66000
/*
* 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 for port availability */
#define TIPC_SUB_SERVICE 0x02 /* filter for service availability */
#define TIPC_SUB_CANCEL 0x04 /* cancel a subscription */
#define TIPC_WAIT_FOREVER ((__u32)~0) /* timeout for permanent subscription */
struct tipc_subscr {
struct tipc_name_seq seq; /* name sequence 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 /* withdraw event */
#define TIPC_SUBSCR_TIMEOUT 3 /* subscription timeout event */
struct tipc_event {
__u32 event; /* event type */
__u32 found_lower; /* matching name seq instances */
__u32 found_upper; /* " " " " */
struct tipc_portid port; /* associated port */
struct tipc_subscr s; /* associated subscription */
};
/*
* Socket API
*/
#ifndef AF_TIPC
#if ((_WRS_VXWORKS_MAJOR == 6) && (_WRS_VXWORKS_MINOR == 0))
#error 'vxWorks6.0 does not support AF_TIPC. Reserve any unused AF from the stack, check target/h/wrn/coreip/sys/socket.h and define it here.'
/* An example: AF_ATM is defined as 30. Use this value for AF_TIPC */
/* #define AF_TIPC 30 */
#else
#error 'AF_TIPC = 33 should have been defined in target/h/wrn/coreip/sys/socket.h'
#endif
#endif /* ifndef AF_TIPC */
#if (AF_TIPC > AF_MAX)
#error 'AF_TIPC incorrectly defined to be > AF_MAX in target/h/wrn/coreip/sys/socket.h'
#endif
#define TIPC_ADDR_NAMESEQ 1
#define TIPC_ADDR_MCAST 1
#define TIPC_ADDR_NAME 2
#define TIPC_ADDR_ID 3
struct sockaddr_tipc {
unsigned char addrlen; /* 16 */
unsigned char family; /* AF_TIPC */
unsigned char addrtype; /* TIPC_ADDR_xxx */
signed char scope; /* used with bind */
union {
struct tipc_portid id; /* if TIPC_ADDR_ID */
struct tipc_name_seq nameseq; /* if TIPC_ADDR_NAMESEQ/_MCAST */
struct { /* if TIPC_ADDR_NAME */
struct tipc_name name;
__u32 domain; /* used w/ connect, sendto */
} 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 values
*/
#define SOL_TIPC 50 /* TIPC socket option level */
#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
#define TIPC_SOCK_RECVQ_DEPTH 132
/*
* Build interface: (WRS only)
* ---------------
*/
struct tipc_media_descr {
FUNCPTR start; /* media initialization routine */
VOIDFUNCPTR stop; /* media termination routine */
};
/*
* Global configuration variables
*/
extern int tipc_max_nodes;
extern int tipc_max_clusters;
extern int tipc_max_zones;
extern int tipc_max_remotes;
extern int tipc_max_ports;
extern int tipc_max_subscriptions;
extern int tipc_max_publications;
extern int tipc_net_id;
extern int tipc_log_size;
extern int tipc_remote_management;
#ifdef __KERNEL__
/*
* Native API
* ----------
*/
struct sk_buff;
/*
* TIPC operating mode routines
*/
u32 tipc_get_addr(void);
#define TIPC_NOT_RUNNING 0
#define TIPC_NODE_MODE 1
#define TIPC_NET_MODE 2
typedef void (*tipc_mode_event)(void *usr_handle, int mode, u32 addr);
int tipc_attach(unsigned int *userref, tipc_mode_event, void *usr_handle);
void tipc_detach(unsigned int userref);
int tipc_get_mode(void);
/*
* TIPC port manipulation routines
*/
typedef void (*tipc_msg_err_event) (void *usr_handle,
u32 portref,
struct sk_buff **buf,
unsigned char const *data,
unsigned int size,
int reason,
struct tipc_portid const *attmpt_destid);
typedef void (*tipc_named_msg_err_event) (void *usr_handle,
u32 portref,
struct sk_buff **buf,
unsigned char const *data,
unsigned int size,
int reason,
struct tipc_name_seq const *attmpt_dest);
typedef void (*tipc_conn_shutdown_event) (void *usr_handle,
u32 portref,
struct sk_buff **buf,
unsigned char const *data,
unsigned int size,
int reason);
typedef void (*tipc_msg_event) (void *usr_handle,
u32 portref,
struct sk_buff **buf,
unsigned char const *data,
unsigned int size,
unsigned int importance,
struct tipc_portid const *origin);
typedef void (*tipc_named_msg_event) (void *usr_handle,
u32 portref,
struct sk_buff **buf,
unsigned char const *data,
unsigned int size,
unsigned int importance,
struct tipc_portid const *orig,
struct tipc_name_seq const *dest);
typedef void (*tipc_conn_msg_event) (void *usr_handle,
u32 portref,
struct sk_buff **buf,
unsigned char const *data,
unsigned int size);
typedef void (*tipc_continue_event) (void *usr_handle,
u32 portref);
int tipc_createport(unsigned int tipc_user,
void *usr_handle,
unsigned int importance,
tipc_msg_err_event error_cb,
tipc_named_msg_err_event named_error_cb,
tipc_conn_shutdown_event conn_error_cb,
tipc_msg_event message_cb,
tipc_named_msg_event named_message_cb,
tipc_conn_msg_event conn_message_cb,
tipc_continue_event continue_event_cb,
u32 *portref);
int tipc_deleteport(u32 portref);
int tipc_ownidentity(u32 portref, struct tipc_portid *port);
int tipc_portimportance(u32 portref, unsigned int *importance);
int tipc_set_portimportance(u32 portref, unsigned int importance);
int tipc_portunreliable(u32 portref, unsigned int *isunreliable);
int tipc_set_portunreliable(u32 portref, unsigned int isunreliable);
int tipc_portunreturnable(u32 portref, unsigned int *isunreturnable);
int tipc_set_portunreturnable(u32 portref, unsigned int isunreturnable);
int tipc_publish(u32 portref, unsigned int scope,
struct tipc_name_seq const *name_seq);
int tipc_withdraw(u32 portref, unsigned int scope,
struct tipc_name_seq const *name_seq);
int tipc_connect2port(u32 portref, struct tipc_portid const *port);
int tipc_disconnect(u32 portref);
int tipc_shutdown(u32 ref);
int tipc_isconnected(u32 portref, int *isconnected);
int tipc_peer(u32 portref, struct tipc_portid *peer);
int tipc_ref_valid(u32 portref);
/*
* TIPC messaging routines
*/
#define TIPC_PORT_IMPORTANCE 100 /* send using current port setting */
int tipc_send(u32 portref,
unsigned int num_sect,
struct iovec const *msg_sect);
int tipc_send_buf(u32 portref,
struct sk_buff *buf,
unsigned int dsz);
int tipc_send2name(u32 portref,
struct tipc_name const *name,
u32 domain,
unsigned int num_sect,
struct iovec const *msg_sect);
int tipc_send_buf2name(u32 portref,
struct tipc_name const *name,
u32 domain,
struct sk_buff *buf,
unsigned int dsz);
int tipc_forward2name(u32 portref,
struct tipc_name const *name,
u32 domain,
unsigned int section_count,
struct iovec const *msg_sect,
struct tipc_portid const *origin,
unsigned int importance);
int tipc_forward_buf2name(u32 portref,
struct tipc_name const *name,
u32 domain,
struct sk_buff *buf,
unsigned int dsz,
struct tipc_portid const *orig,
unsigned int importance);
int tipc_send2port(u32 portref,
struct tipc_portid const *dest,
unsigned int num_sect,
struct iovec const *msg_sect);
int tipc_send_buf2port(u32 portref,
struct tipc_portid const *dest,
struct sk_buff *buf,
unsigned int dsz);
int tipc_forward2port(u32 portref,
struct tipc_portid const *dest,
unsigned int num_sect,
struct iovec const *msg_sect,
struct tipc_portid const *origin,
unsigned int importance);
int tipc_forward_buf2port(u32 portref,
struct tipc_portid const *dest,
struct sk_buff *buf,
unsigned int dsz,
struct tipc_portid const *orig,
unsigned int importance);
int tipc_multicast(u32 portref,
struct tipc_name_seq const *seq,
u32 domain, /* currently unused */
unsigned int section_count,
struct iovec const *msg);
/*
* TIPC subscription routines
*/
int tipc_ispublished(struct tipc_name const *name);
/*
* Get number of available nodes within specified domain (excluding own node)
*/
unsigned int tipc_available_nodes(const u32 domain);
#endif /* KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* __NET_TIPC_H_ */