| /* |
| * include/net/tipc/tipc_port.h: Include file for privileged access to TIPC ports |
| * |
| * Copyright (c) 1994-2007, Ericsson AB |
| * Copyright (c) 2005-2008, 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_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 |
| * @max_pkt: maximum packet size "hint" used when building messages sent by port |
| * @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 max_pkt; |
| u32 ref; |
| struct tipc_msg phdr; |
| }; |
| |
| |
| struct tipc_port *tipc_createport_raw(void *usr_handle, |
| u32 (*dispatcher)(struct tipc_port *, struct sk_buff *), |
| void (*wakeup)(struct tipc_port *), |
| const u32 importance); |
| |
| 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); |
| |
| /* |
| * The following routines require that the port be locked on entry |
| */ |
| |
| int tipc_disconnect_port(struct tipc_port *tp_ptr); |
| |
| |
| #endif |
| |
| #endif |
| |