9da1c8b694
The copyright statements from different parts of Ericsson have been merged into one. Signed-off-by: Per Liden <per.liden@nospam.ericsson.com>
122 lines
3.9 KiB
C
122 lines
3.9 KiB
C
/*
|
|
* include/net/tipc/tipc_bearer.h: Include file for privileged access to TIPC bearers
|
|
*
|
|
* Copyright (c) 2003-2006, Ericsson AB
|
|
* Copyright (c) 2005, 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 _NET_TIPC_BEARER_H_
|
|
#define _NET_TIPC_BEARER_H_
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#include <linux/tipc_config.h>
|
|
#include <linux/skbuff.h>
|
|
#include <linux/spinlock.h>
|
|
|
|
/*
|
|
* Identifiers of supported TIPC media types
|
|
*/
|
|
|
|
#define TIPC_MEDIA_TYPE_ETH 1
|
|
|
|
struct tipc_media_addr {
|
|
__u32 type;
|
|
union {
|
|
__u8 eth_addr[6]; /* Ethernet bearer */
|
|
#if 0
|
|
/* Prototypes for other possible bearer types */
|
|
|
|
struct {
|
|
__u16 sin_family;
|
|
__u16 sin_port;
|
|
struct {
|
|
__u32 s_addr;
|
|
} sin_addr;
|
|
char pad[4];
|
|
} addr_in; /* IP-based bearer */
|
|
__u16 sock_descr; /* generic socket bearer */
|
|
#endif
|
|
} dev_addr;
|
|
};
|
|
|
|
/**
|
|
* 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
|