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[TIPC] Initial merge

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TIPC (Transparent Inter Process Communication) is a protocol designed for
intra cluster communication. For more information see
http://tipc.sourceforge.net

Signed-off-by: Per Liden <per.liden@nospam.ericsson.com>
This commit is contained in:
Per Liden 2006-01-02 19:04:38 +01:00 • committed by David S. Miller
parent 58cba4650a
commit b97bf3fd8f
54 changed files with 19464 additions and 0 deletions
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/*
* include/net/tipc/tipc.h: Main include file for TIPC users
*
* Copyright (c) 2003-2005, Ericsson Research Canada
* Copyright (c) 2005, Wind River Systems
* Copyright (c) 2005-2006, Ericsson AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 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.
* 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.
*
* 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 _NET_TIPC_H_
#define _NET_TIPC_H_
#ifdef __KERNEL__
#include <linux/tipc.h>
#include <linux/skbuff.h>
/*
* Native API
* ----------
*/
/*
* 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,/* May be zero */
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); /* 0: all */
int tipc_connect2port(u32 portref, struct tipc_portid const *port);
int tipc_disconnect(u32 portref);
int tipc_shutdown(u32 ref); /* Sends SHUTDOWN msg */
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, /* 0:own zone */
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, /*0: own zone */
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, /* 0:own zone */
unsigned int section_count,
struct iovec const *msg);
#if 0
int tipc_multicast_buf(u32 portref,
struct tipc_name_seq const *seq,
u32 domain, /* 0:own zone */
void *buf,
unsigned int size);
#endif
/*
* 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
#endif

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/*
* include/net/tipc/tipc_bearer.h: Include file for privileged access to TIPC bearers
*
* Copyright (c) 2003-2005, Ericsson Research Canada
* Copyright (c) 2005, Wind River Systems
* Copyright (c) 2005-2006, Ericsson AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 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.
* 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.
*
* 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 _NET_TIPC_BEARER_H_
#define _NET_TIPC_BEARER_H_
#ifdef __KERNEL__
#include <linux/tipc.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
/**
* struct tipc_bearer - TIPC bearer info available to privileged users
* @usr_handle: pointer to additional user-defined information about bearer
* @mtu: max packet size bearer can support
* @blocked: non-zero if bearer is blocked
* @lock: spinlock for controlling access to bearer
* @addr: media-specific address associated with bearer
* @name: bearer name (format = media:interface)
*
* Note: TIPC initializes "name" and "lock" fields; user is responsible for
* initialization all other fields when a bearer is enabled.
*/
struct tipc_bearer {
void *usr_handle;
u32 mtu;
int blocked;
spinlock_t lock;
struct tipc_media_addr addr;
char name[TIPC_MAX_BEARER_NAME];
};
int tipc_register_media(u32 media_type,
char *media_name,
int (*enable)(struct tipc_bearer *),
void (*disable)(struct tipc_bearer *),
int (*send_msg)(struct sk_buff *,
struct tipc_bearer *,
struct tipc_media_addr *),
char *(*addr2str)(struct tipc_media_addr *a,
char *str_buf,
int str_size),
struct tipc_media_addr *bcast_addr,
const u32 bearer_priority,
const u32 link_tolerance, /* [ms] */
const u32 send_window_limit);
void tipc_recv_msg(struct sk_buff *buf, struct tipc_bearer *tb_ptr);
int tipc_block_bearer(const char *name);
void tipc_continue(struct tipc_bearer *tb_ptr);
int tipc_enable_bearer(const char *bearer_name, u32 bcast_scope, u32 priority);
int tipc_disable_bearer(const char *name);
#endif
#endif

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/*
* include/net/tipc/tipc_msg.h: Include file for privileged access to TIPC message headers
*
* Copyright (c) 2003-2005, Ericsson Research Canada
* Copyright (c) 2005, Wind River Systems
* Copyright (c) 2005-2006, Ericsson AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 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.
* 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.
*
* 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 _NET_TIPC_MSG_H_
#define _NET_TIPC_MSG_H_
#ifdef __KERNEL__
struct tipc_msg {
u32 hdr[15];
};
/*
TIPC user data message header format, version 2:
1 0 9 8 7 6 5 4|3 2 1 0 9 8 7 6|5 4 3 2 1 0 9 8|7 6 5 4 3 2 1 0
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
w0:|vers | user |hdr sz |n|d|s|-| message size |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
w1:|mstyp| error |rer cnt|lsc|opt p| broadcast ack no |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
w2:| link level ack no | broadcast/link level seq no |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
w3:| previous node |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
w4:| originating port |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
w5:| destination port |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
w6:| originating node |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
w7:| destination node |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
w8:| name type / transport sequence number |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
w9:| name instance/multicast lower bound |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
wA:| multicast upper bound |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
/ /
\ options \
/ /
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
#define TIPC_CONN_MSG 0
#define TIPC_MCAST_MSG 1
#define TIPC_NAMED_MSG 2
#define TIPC_DIRECT_MSG 3
static inline u32 msg_word(struct tipc_msg *m, u32 pos)
{
return ntohl(m->hdr[pos]);
}
static inline u32 msg_bits(struct tipc_msg *m, u32 w, u32 pos, u32 mask)
{
return (msg_word(m, w) >> pos) & mask;
}
static inline u32 msg_importance(struct tipc_msg *m)
{
return msg_bits(m, 0, 25, 0xf);
}
static inline u32 msg_hdr_sz(struct tipc_msg *m)
{
return msg_bits(m, 0, 21, 0xf) << 2;
}
static inline int msg_short(struct tipc_msg *m)
{
return (msg_hdr_sz(m) == 24);
}
static inline u32 msg_size(struct tipc_msg *m)
{
return msg_bits(m, 0, 0, 0x1ffff);
}
static inline u32 msg_data_sz(struct tipc_msg *m)
{
return (msg_size(m) - msg_hdr_sz(m));
}
static inline unchar *msg_data(struct tipc_msg *m)
{
return ((unchar *)m) + msg_hdr_sz(m);
}
static inline u32 msg_type(struct tipc_msg *m)
{
return msg_bits(m, 1, 29, 0x7);
}
static inline u32 msg_direct(struct tipc_msg *m)
{
return (msg_type(m) == TIPC_DIRECT_MSG);
}
static inline u32 msg_named(struct tipc_msg *m)
{
return (msg_type(m) == TIPC_NAMED_MSG);
}
static inline u32 msg_mcast(struct tipc_msg *m)
{
return (msg_type(m) == TIPC_MCAST_MSG);
}
static inline u32 msg_connected(struct tipc_msg *m)
{
return (msg_type(m) == TIPC_CONN_MSG);
}
static inline u32 msg_errcode(struct tipc_msg *m)
{
return msg_bits(m, 1, 25, 0xf);
}
static inline u32 msg_prevnode(struct tipc_msg *m)
{
return msg_word(m, 3);
}
static inline u32 msg_origport(struct tipc_msg *m)
{
return msg_word(m, 4);
}
static inline u32 msg_destport(struct tipc_msg *m)
{
return msg_word(m, 5);
}
static inline u32 msg_mc_netid(struct tipc_msg *m)
{
return msg_word(m, 5);
}
static inline u32 msg_orignode(struct tipc_msg *m)
{
if (likely(msg_short(m)))
return msg_prevnode(m);
return msg_word(m, 6);
}
static inline u32 msg_destnode(struct tipc_msg *m)
{
return msg_word(m, 7);
}
static inline u32 msg_nametype(struct tipc_msg *m)
{
return msg_word(m, 8);
}
static inline u32 msg_nameinst(struct tipc_msg *m)
{
return msg_word(m, 9);
}
static inline u32 msg_namelower(struct tipc_msg *m)
{
return msg_nameinst(m);
}
static inline u32 msg_nameupper(struct tipc_msg *m)
{
return msg_word(m, 10);
}
static inline char *msg_options(struct tipc_msg *m, u32 *len)
{
u32 pos = msg_bits(m, 1, 16, 0x7);
if (!pos)
return 0;
pos = (pos * 4) + 28;
*len = msg_hdr_sz(m) - pos;
return (char *)&m->hdr[pos/4];
}
#endif
#endif

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/*
* include/net/tipc/tipc_port.h: Include file for privileged access to TIPC ports
*
* Copyright (c) 2003-2005, Ericsson Research Canada
* Copyright (c) 2005, Wind River Systems
* Copyright (c) 2005-2006, Ericsson AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 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.
* 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.
*
* 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 _NET_TIPC_PORT_H_
#define _NET_TIPC_PORT_H_
#ifdef __KERNEL__
#include <linux/tipc.h>
#include <linux/skbuff.h>
#include <net/tipc/tipc_msg.h>
#define TIPC_FLOW_CONTROL_WIN 512
/**
* struct tipc_port - native TIPC port info available to privileged users
* @usr_handle: pointer to additional user-defined information about port
* @lock: pointer to spinlock for controlling access to port
* @connected: non-zero if port is currently connected to a peer port
* @conn_type: TIPC type used when connection was established
* @conn_instance: TIPC instance used when connection was established
* @conn_unacked: number of unacknowledged messages received from peer port
* @published: non-zero if port has one or more associated names
* @congested: non-zero if cannot send because of link or port congestion
* @ref: unique reference to port in TIPC object registry
* @phdr: preformatted message header used when sending messages
*/
struct tipc_port {
void *usr_handle;
spinlock_t *lock;
int connected;
u32 conn_type;
u32 conn_instance;
u32 conn_unacked;
int published;
u32 congested;
u32 ref;
struct tipc_msg phdr;
};
/**
* tipc_createport_raw - create a native TIPC port and return it's reference
*
* Note: 'dispatcher' and 'wakeup' deliver a locked port.
*/
u32 tipc_createport_raw(void *usr_handle,
u32 (*dispatcher)(struct tipc_port *, struct sk_buff *),
void (*wakeup)(struct tipc_port *),
const u32 importance);
/*
* tipc_set_msg_option(): port must be locked.
*/
int tipc_set_msg_option(struct tipc_port *tp_ptr,
const char *opt,
const u32 len);
int tipc_reject_msg(struct sk_buff *buf, u32 err);
int tipc_send_buf_fast(struct sk_buff *buf, u32 destnode);
void tipc_acknowledge(u32 port_ref,u32 ack);
struct tipc_port *tipc_get_port(const u32 ref);
void *tipc_get_handle(const u32 ref);
#endif
#endif