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1 /*
2 * net/tipc/dbg.h: Include file for TIPC print buffer routines
4 * Copyright (c) 1997-2006, Ericsson AB
5 * Copyright (c) 2005-2007, Wind River Systems
6 * All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the names of the copyright holders nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
37 #ifndef _TIPC_DBG_H
38 #define _TIPC_DBG_H
40 /**
41 * struct print_buf - TIPC print buffer structure
42 * @buf: pointer to character array containing print buffer contents
43 * @size: size of character array
44 * @crs: pointer to first unused space in character array (i.e. final NUL)
45 * @echo: echo output to system console if non-zero
48 struct print_buf {
49 char *buf;
50 u32 size;
51 char *crs;
52 int echo;
55 #define TIPC_PB_MIN_SIZE 64 /* minimum size for a print buffer's array */
56 #define TIPC_PB_MAX_STR 512 /* max printable string (with trailing NUL) */
58 void tipc_printbuf_init(struct print_buf *pb, char *buf, u32 size);
59 void tipc_printbuf_reset(struct print_buf *pb);
60 int tipc_printbuf_empty(struct print_buf *pb);
61 int tipc_printbuf_validate(struct print_buf *pb);
62 void tipc_printbuf_move(struct print_buf *pb_to, struct print_buf *pb_from);
64 int tipc_log_resize(int log_size);
66 struct sk_buff *tipc_log_resize_cmd(const void *req_tlv_area,
67 int req_tlv_space);
68 struct sk_buff *tipc_log_dump(void);
70 #endif