Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 1 | /* |
| 2 | * net/tipc/msg.h: Include file for TIPC message header routines |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 3 | * |
Allan Stephens | 1f9eda7 | 2007-04-24 14:51:55 -0700 | [diff] [blame] | 4 | * Copyright (c) 2000-2007, Ericsson AB |
Allan Stephens | 741de3e | 2011-01-25 13:33:31 -0500 | [diff] [blame] | 5 | * Copyright (c) 2005-2008, 2010-2011, Wind River Systems |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 6 | * All rights reserved. |
| 7 | * |
Per Liden | 9ea1fd3 | 2006-01-11 13:30:43 +0100 | [diff] [blame] | 8 | * Redistribution and use in source and binary forms, with or without |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 9 | * modification, are permitted provided that the following conditions are met: |
| 10 | * |
Per Liden | 9ea1fd3 | 2006-01-11 13:30:43 +0100 | [diff] [blame] | 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. |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 19 | * |
Per Liden | 9ea1fd3 | 2006-01-11 13:30:43 +0100 | [diff] [blame] | 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. |
| 23 | * |
| 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 |
| 29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 30 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 32 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 33 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 34 | * POSSIBILITY OF SUCH DAMAGE. |
| 35 | */ |
| 36 | |
| 37 | #ifndef _TIPC_MSG_H |
| 38 | #define _TIPC_MSG_H |
| 39 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 40 | #include "bearer.h" |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 41 | |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 42 | /* |
| 43 | * Constants and routines used to read and write TIPC payload message headers |
| 44 | * |
| 45 | * Note: Some items are also used with TIPC internal message headers |
| 46 | */ |
| 47 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 48 | #define TIPC_VERSION 2 |
Allan Stephens | 06d82c9 | 2008-03-06 15:06:55 -0800 | [diff] [blame] | 49 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 50 | /* |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 51 | * Payload message users are defined in TIPC's public API: |
| 52 | * - TIPC_LOW_IMPORTANCE |
| 53 | * - TIPC_MEDIUM_IMPORTANCE |
| 54 | * - TIPC_HIGH_IMPORTANCE |
| 55 | * - TIPC_CRITICAL_IMPORTANCE |
| 56 | */ |
| 57 | |
| 58 | /* |
| 59 | * Payload message types |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 60 | */ |
| 61 | |
| 62 | #define TIPC_CONN_MSG 0 |
| 63 | #define TIPC_MCAST_MSG 1 |
| 64 | #define TIPC_NAMED_MSG 2 |
| 65 | #define TIPC_DIRECT_MSG 3 |
| 66 | |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 67 | /* |
| 68 | * Message header sizes |
| 69 | */ |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 70 | |
Allan Stephens | 06d82c9 | 2008-03-06 15:06:55 -0800 | [diff] [blame] | 71 | #define SHORT_H_SIZE 24 /* Connected, in-cluster messages */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 72 | #define DIR_MSG_H_SIZE 32 /* Directly addressed messages */ |
Allan Stephens | 06d82c9 | 2008-03-06 15:06:55 -0800 | [diff] [blame] | 73 | #define LONG_H_SIZE 40 /* Named messages */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 74 | #define MCAST_H_SIZE 44 /* Multicast messages */ |
Allan Stephens | 06d82c9 | 2008-03-06 15:06:55 -0800 | [diff] [blame] | 75 | #define INT_H_SIZE 40 /* Internal messages */ |
| 76 | #define MIN_H_SIZE 24 /* Smallest legal TIPC header size */ |
| 77 | #define MAX_H_SIZE 60 /* Largest possible TIPC header size */ |
| 78 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 79 | #define MAX_MSG_SIZE (MAX_H_SIZE + TIPC_MAX_USER_MSG_SIZE) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 80 | |
| 81 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 82 | struct tipc_msg { |
| 83 | __be32 hdr[15]; |
| 84 | }; |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 85 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 86 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 87 | static inline u32 msg_word(struct tipc_msg *m, u32 pos) |
| 88 | { |
| 89 | return ntohl(m->hdr[pos]); |
| 90 | } |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 91 | |
| 92 | static inline void msg_set_word(struct tipc_msg *m, u32 w, u32 val) |
| 93 | { |
| 94 | m->hdr[w] = htonl(val); |
| 95 | } |
| 96 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 97 | static inline u32 msg_bits(struct tipc_msg *m, u32 w, u32 pos, u32 mask) |
| 98 | { |
| 99 | return (msg_word(m, w) >> pos) & mask; |
| 100 | } |
| 101 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 102 | static inline void msg_set_bits(struct tipc_msg *m, u32 w, |
| 103 | u32 pos, u32 mask, u32 val) |
| 104 | { |
Allan Stephens | 1f9eda7 | 2007-04-24 14:51:55 -0700 | [diff] [blame] | 105 | val = (val & mask) << pos; |
Al Viro | becf3da | 2008-04-26 22:42:14 -0700 | [diff] [blame] | 106 | mask = mask << pos; |
| 107 | m->hdr[w] &= ~htonl(mask); |
| 108 | m->hdr[w] |= htonl(val); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 109 | } |
| 110 | |
Allan Stephens | 40aecb1 | 2008-06-04 17:54:48 -0700 | [diff] [blame] | 111 | static inline void msg_swap_words(struct tipc_msg *msg, u32 a, u32 b) |
| 112 | { |
| 113 | u32 temp = msg->hdr[a]; |
| 114 | |
| 115 | msg->hdr[a] = msg->hdr[b]; |
| 116 | msg->hdr[b] = temp; |
| 117 | } |
| 118 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 119 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 120 | * Word 0 |
| 121 | */ |
| 122 | |
| 123 | static inline u32 msg_version(struct tipc_msg *m) |
| 124 | { |
| 125 | return msg_bits(m, 0, 29, 7); |
| 126 | } |
| 127 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 128 | static inline void msg_set_version(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 129 | { |
Allan Stephens | 3769542 | 2008-03-06 15:07:42 -0800 | [diff] [blame] | 130 | msg_set_bits(m, 0, 29, 7, TIPC_VERSION); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | static inline u32 msg_user(struct tipc_msg *m) |
| 134 | { |
| 135 | return msg_bits(m, 0, 25, 0xf); |
| 136 | } |
| 137 | |
| 138 | static inline u32 msg_isdata(struct tipc_msg *m) |
| 139 | { |
Eric Dumazet | a02cec2 | 2010-09-22 20:43:57 +0000 | [diff] [blame] | 140 | return msg_user(m) <= TIPC_CRITICAL_IMPORTANCE; |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 141 | } |
| 142 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 143 | static inline void msg_set_user(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 144 | { |
| 145 | msg_set_bits(m, 0, 25, 0xf, n); |
| 146 | } |
| 147 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 148 | static inline u32 msg_importance(struct tipc_msg *m) |
| 149 | { |
| 150 | return msg_bits(m, 0, 25, 0xf); |
| 151 | } |
| 152 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 153 | static inline void msg_set_importance(struct tipc_msg *m, u32 i) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 154 | { |
| 155 | msg_set_user(m, i); |
| 156 | } |
| 157 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 158 | static inline u32 msg_hdr_sz(struct tipc_msg *m) |
| 159 | { |
| 160 | return msg_bits(m, 0, 21, 0xf) << 2; |
| 161 | } |
| 162 | |
Allan Stephens | 0e65967 | 2010-12-31 18:59:32 +0000 | [diff] [blame] | 163 | static inline void msg_set_hdr_sz(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 164 | { |
| 165 | msg_set_bits(m, 0, 21, 0xf, n>>2); |
| 166 | } |
| 167 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 168 | static inline u32 msg_size(struct tipc_msg *m) |
| 169 | { |
| 170 | return msg_bits(m, 0, 0, 0x1ffff); |
| 171 | } |
| 172 | |
| 173 | static inline u32 msg_data_sz(struct tipc_msg *m) |
| 174 | { |
| 175 | return msg_size(m) - msg_hdr_sz(m); |
| 176 | } |
| 177 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 178 | static inline int msg_non_seq(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 179 | { |
| 180 | return msg_bits(m, 0, 20, 1); |
| 181 | } |
| 182 | |
Allan Stephens | 40aecb1 | 2008-06-04 17:54:48 -0700 | [diff] [blame] | 183 | static inline void msg_set_non_seq(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 184 | { |
Allan Stephens | 40aecb1 | 2008-06-04 17:54:48 -0700 | [diff] [blame] | 185 | msg_set_bits(m, 0, 20, 1, n); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 186 | } |
| 187 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 188 | static inline int msg_dest_droppable(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 189 | { |
| 190 | return msg_bits(m, 0, 19, 1); |
| 191 | } |
| 192 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 193 | static inline void msg_set_dest_droppable(struct tipc_msg *m, u32 d) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 194 | { |
| 195 | msg_set_bits(m, 0, 19, 1, d); |
| 196 | } |
| 197 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 198 | static inline int msg_src_droppable(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 199 | { |
| 200 | return msg_bits(m, 0, 18, 1); |
| 201 | } |
| 202 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 203 | static inline void msg_set_src_droppable(struct tipc_msg *m, u32 d) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 204 | { |
| 205 | msg_set_bits(m, 0, 18, 1, d); |
| 206 | } |
| 207 | |
| 208 | static inline void msg_set_size(struct tipc_msg *m, u32 sz) |
| 209 | { |
| 210 | m->hdr[0] = htonl((msg_word(m, 0) & ~0x1ffff) | sz); |
| 211 | } |
| 212 | |
| 213 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 214 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 215 | * Word 1 |
| 216 | */ |
| 217 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 218 | static inline u32 msg_type(struct tipc_msg *m) |
| 219 | { |
| 220 | return msg_bits(m, 1, 29, 0x7); |
| 221 | } |
| 222 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 223 | static inline void msg_set_type(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 224 | { |
| 225 | msg_set_bits(m, 1, 29, 0x7, n); |
| 226 | } |
| 227 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 228 | static inline u32 msg_named(struct tipc_msg *m) |
| 229 | { |
| 230 | return msg_type(m) == TIPC_NAMED_MSG; |
| 231 | } |
| 232 | |
| 233 | static inline u32 msg_mcast(struct tipc_msg *m) |
| 234 | { |
| 235 | return msg_type(m) == TIPC_MCAST_MSG; |
| 236 | } |
| 237 | |
| 238 | static inline u32 msg_connected(struct tipc_msg *m) |
| 239 | { |
| 240 | return msg_type(m) == TIPC_CONN_MSG; |
| 241 | } |
| 242 | |
| 243 | static inline u32 msg_errcode(struct tipc_msg *m) |
| 244 | { |
| 245 | return msg_bits(m, 1, 25, 0xf); |
| 246 | } |
| 247 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 248 | static inline void msg_set_errcode(struct tipc_msg *m, u32 err) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 249 | { |
| 250 | msg_set_bits(m, 1, 25, 0xf, err); |
| 251 | } |
| 252 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 253 | static inline u32 msg_reroute_cnt(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 254 | { |
| 255 | return msg_bits(m, 1, 21, 0xf); |
| 256 | } |
| 257 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 258 | static inline void msg_incr_reroute_cnt(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 259 | { |
| 260 | msg_set_bits(m, 1, 21, 0xf, msg_reroute_cnt(m) + 1); |
| 261 | } |
| 262 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 263 | static inline void msg_reset_reroute_cnt(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 264 | { |
| 265 | msg_set_bits(m, 1, 21, 0xf, 0); |
| 266 | } |
| 267 | |
| 268 | static inline u32 msg_lookup_scope(struct tipc_msg *m) |
| 269 | { |
| 270 | return msg_bits(m, 1, 19, 0x3); |
| 271 | } |
| 272 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 273 | static inline void msg_set_lookup_scope(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 274 | { |
| 275 | msg_set_bits(m, 1, 19, 0x3, n); |
| 276 | } |
| 277 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 278 | static inline u32 msg_bcast_ack(struct tipc_msg *m) |
| 279 | { |
| 280 | return msg_bits(m, 1, 0, 0xffff); |
| 281 | } |
| 282 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 283 | static inline void msg_set_bcast_ack(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 284 | { |
| 285 | msg_set_bits(m, 1, 0, 0xffff, n); |
| 286 | } |
| 287 | |
| 288 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 289 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 290 | * Word 2 |
| 291 | */ |
| 292 | |
| 293 | static inline u32 msg_ack(struct tipc_msg *m) |
| 294 | { |
| 295 | return msg_bits(m, 2, 16, 0xffff); |
| 296 | } |
| 297 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 298 | static inline void msg_set_ack(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 299 | { |
| 300 | msg_set_bits(m, 2, 16, 0xffff, n); |
| 301 | } |
| 302 | |
| 303 | static inline u32 msg_seqno(struct tipc_msg *m) |
| 304 | { |
| 305 | return msg_bits(m, 2, 0, 0xffff); |
| 306 | } |
| 307 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 308 | static inline void msg_set_seqno(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 309 | { |
| 310 | msg_set_bits(m, 2, 0, 0xffff, n); |
| 311 | } |
| 312 | |
Allan Stephens | 40aecb1 | 2008-06-04 17:54:48 -0700 | [diff] [blame] | 313 | /* |
| 314 | * TIPC may utilize the "link ack #" and "link seq #" fields of a short |
| 315 | * message header to hold the destination node for the message, since the |
| 316 | * normal "dest node" field isn't present. This cache is only referenced |
| 317 | * when required, so populating the cache of a longer message header is |
| 318 | * harmless (as long as the header has the two link sequence fields present). |
| 319 | * |
| 320 | * Note: Host byte order is OK here, since the info never goes off-card. |
| 321 | */ |
| 322 | |
| 323 | static inline u32 msg_destnode_cache(struct tipc_msg *m) |
| 324 | { |
| 325 | return m->hdr[2]; |
| 326 | } |
| 327 | |
| 328 | static inline void msg_set_destnode_cache(struct tipc_msg *m, u32 dnode) |
| 329 | { |
| 330 | m->hdr[2] = dnode; |
| 331 | } |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 332 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 333 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 334 | * Words 3-10 |
| 335 | */ |
| 336 | |
| 337 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 338 | static inline u32 msg_prevnode(struct tipc_msg *m) |
| 339 | { |
| 340 | return msg_word(m, 3); |
| 341 | } |
| 342 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 343 | static inline void msg_set_prevnode(struct tipc_msg *m, u32 a) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 344 | { |
| 345 | msg_set_word(m, 3, a); |
| 346 | } |
| 347 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 348 | static inline u32 msg_origport(struct tipc_msg *m) |
| 349 | { |
| 350 | return msg_word(m, 4); |
| 351 | } |
| 352 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 353 | static inline void msg_set_origport(struct tipc_msg *m, u32 p) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 354 | { |
| 355 | msg_set_word(m, 4, p); |
| 356 | } |
| 357 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 358 | static inline u32 msg_destport(struct tipc_msg *m) |
| 359 | { |
| 360 | return msg_word(m, 5); |
| 361 | } |
| 362 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 363 | static inline void msg_set_destport(struct tipc_msg *m, u32 p) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 364 | { |
| 365 | msg_set_word(m, 5, p); |
| 366 | } |
| 367 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 368 | static inline u32 msg_mc_netid(struct tipc_msg *m) |
| 369 | { |
| 370 | return msg_word(m, 5); |
| 371 | } |
| 372 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 373 | static inline void msg_set_mc_netid(struct tipc_msg *m, u32 p) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 374 | { |
| 375 | msg_set_word(m, 5, p); |
| 376 | } |
| 377 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 378 | static inline int msg_short(struct tipc_msg *m) |
| 379 | { |
| 380 | return msg_hdr_sz(m) == 24; |
| 381 | } |
| 382 | |
| 383 | static inline u32 msg_orignode(struct tipc_msg *m) |
| 384 | { |
| 385 | if (likely(msg_short(m))) |
| 386 | return msg_prevnode(m); |
| 387 | return msg_word(m, 6); |
| 388 | } |
| 389 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 390 | static inline void msg_set_orignode(struct tipc_msg *m, u32 a) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 391 | { |
| 392 | msg_set_word(m, 6, a); |
| 393 | } |
| 394 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 395 | static inline u32 msg_destnode(struct tipc_msg *m) |
| 396 | { |
| 397 | return msg_word(m, 7); |
| 398 | } |
| 399 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 400 | static inline void msg_set_destnode(struct tipc_msg *m, u32 a) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 401 | { |
| 402 | msg_set_word(m, 7, a); |
| 403 | } |
| 404 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 405 | static inline int msg_is_dest(struct tipc_msg *m, u32 d) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 406 | { |
Eric Dumazet | a02cec2 | 2010-09-22 20:43:57 +0000 | [diff] [blame] | 407 | return msg_short(m) || (msg_destnode(m) == d); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 408 | } |
| 409 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 410 | static inline u32 msg_nametype(struct tipc_msg *m) |
| 411 | { |
| 412 | return msg_word(m, 8); |
| 413 | } |
| 414 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 415 | static inline void msg_set_nametype(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 416 | { |
| 417 | msg_set_word(m, 8, n); |
| 418 | } |
| 419 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 420 | static inline u32 msg_nameinst(struct tipc_msg *m) |
| 421 | { |
| 422 | return msg_word(m, 9); |
| 423 | } |
| 424 | |
| 425 | static inline u32 msg_namelower(struct tipc_msg *m) |
| 426 | { |
| 427 | return msg_nameinst(m); |
| 428 | } |
| 429 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 430 | static inline void msg_set_namelower(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 431 | { |
| 432 | msg_set_word(m, 9, n); |
| 433 | } |
| 434 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 435 | static inline void msg_set_nameinst(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 436 | { |
| 437 | msg_set_namelower(m, n); |
| 438 | } |
| 439 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 440 | static inline u32 msg_nameupper(struct tipc_msg *m) |
| 441 | { |
| 442 | return msg_word(m, 10); |
| 443 | } |
| 444 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 445 | static inline void msg_set_nameupper(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 446 | { |
| 447 | msg_set_word(m, 10, n); |
| 448 | } |
| 449 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 450 | static inline unchar *msg_data(struct tipc_msg *m) |
| 451 | { |
| 452 | return ((unchar *)m) + msg_hdr_sz(m); |
| 453 | } |
| 454 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 455 | static inline struct tipc_msg *msg_get_wrapped(struct tipc_msg *m) |
| 456 | { |
| 457 | return (struct tipc_msg *)msg_data(m); |
| 458 | } |
| 459 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 460 | |
| 461 | /* |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 462 | * Constants and routines used to read and write TIPC internal message headers |
| 463 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 464 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 465 | /* |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 466 | * Internal message users |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 467 | */ |
| 468 | |
| 469 | #define BCAST_PROTOCOL 5 |
| 470 | #define MSG_BUNDLER 6 |
| 471 | #define LINK_PROTOCOL 7 |
| 472 | #define CONN_MANAGER 8 |
Allan Stephens | 51a8e4d | 2010-12-31 18:59:18 +0000 | [diff] [blame] | 473 | #define ROUTE_DISTRIBUTOR 9 /* obsoleted */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 474 | #define CHANGEOVER_PROTOCOL 10 |
| 475 | #define NAME_DISTRIBUTOR 11 |
| 476 | #define MSG_FRAGMENTER 12 |
| 477 | #define LINK_CONFIG 13 |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 478 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 479 | /* |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 480 | * Connection management protocol message types |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 481 | */ |
| 482 | |
| 483 | #define CONN_PROBE 0 |
| 484 | #define CONN_PROBE_REPLY 1 |
| 485 | #define CONN_ACK 2 |
| 486 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 487 | /* |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 488 | * Name distributor message types |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 489 | */ |
| 490 | |
| 491 | #define PUBLICATION 0 |
| 492 | #define WITHDRAWAL 1 |
| 493 | |
Allan Stephens | 92138d1 | 2011-04-08 11:04:15 -0400 | [diff] [blame] | 494 | /* |
| 495 | * Segmentation message types |
| 496 | */ |
| 497 | |
| 498 | #define FIRST_FRAGMENT 0 |
| 499 | #define FRAGMENT 1 |
| 500 | #define LAST_FRAGMENT 2 |
| 501 | |
| 502 | /* |
| 503 | * Link management protocol message types |
| 504 | */ |
| 505 | |
| 506 | #define STATE_MSG 0 |
| 507 | #define RESET_MSG 1 |
| 508 | #define ACTIVATE_MSG 2 |
| 509 | |
| 510 | /* |
| 511 | * Changeover tunnel message types |
| 512 | */ |
| 513 | #define DUPLICATE_MSG 0 |
| 514 | #define ORIGINAL_MSG 1 |
| 515 | |
| 516 | /* |
| 517 | * Config protocol message types |
| 518 | */ |
| 519 | |
| 520 | #define DSC_REQ_MSG 0 |
| 521 | #define DSC_RESP_MSG 1 |
| 522 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 523 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 524 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 525 | * Word 1 |
| 526 | */ |
| 527 | |
| 528 | static inline u32 msg_seq_gap(struct tipc_msg *m) |
| 529 | { |
Allan Stephens | bd78453 | 2008-06-04 17:47:30 -0700 | [diff] [blame] | 530 | return msg_bits(m, 1, 16, 0x1fff); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 531 | } |
| 532 | |
| 533 | static inline void msg_set_seq_gap(struct tipc_msg *m, u32 n) |
| 534 | { |
Allan Stephens | bd78453 | 2008-06-04 17:47:30 -0700 | [diff] [blame] | 535 | msg_set_bits(m, 1, 16, 0x1fff, n); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 536 | } |
| 537 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 538 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 539 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 540 | * Word 2 |
| 541 | */ |
| 542 | |
| 543 | static inline u32 msg_dest_domain(struct tipc_msg *m) |
| 544 | { |
| 545 | return msg_word(m, 2); |
| 546 | } |
| 547 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 548 | static inline void msg_set_dest_domain(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 549 | { |
| 550 | msg_set_word(m, 2, n); |
| 551 | } |
| 552 | |
| 553 | static inline u32 msg_bcgap_after(struct tipc_msg *m) |
| 554 | { |
| 555 | return msg_bits(m, 2, 16, 0xffff); |
| 556 | } |
| 557 | |
| 558 | static inline void msg_set_bcgap_after(struct tipc_msg *m, u32 n) |
| 559 | { |
| 560 | msg_set_bits(m, 2, 16, 0xffff, n); |
| 561 | } |
| 562 | |
| 563 | static inline u32 msg_bcgap_to(struct tipc_msg *m) |
| 564 | { |
| 565 | return msg_bits(m, 2, 0, 0xffff); |
| 566 | } |
| 567 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 568 | static inline void msg_set_bcgap_to(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 569 | { |
| 570 | msg_set_bits(m, 2, 0, 0xffff, n); |
| 571 | } |
| 572 | |
| 573 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 574 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 575 | * Word 4 |
| 576 | */ |
| 577 | |
| 578 | static inline u32 msg_last_bcast(struct tipc_msg *m) |
| 579 | { |
| 580 | return msg_bits(m, 4, 16, 0xffff); |
| 581 | } |
| 582 | |
| 583 | static inline void msg_set_last_bcast(struct tipc_msg *m, u32 n) |
| 584 | { |
| 585 | msg_set_bits(m, 4, 16, 0xffff, n); |
| 586 | } |
| 587 | |
| 588 | |
| 589 | static inline u32 msg_fragm_no(struct tipc_msg *m) |
| 590 | { |
| 591 | return msg_bits(m, 4, 16, 0xffff); |
| 592 | } |
| 593 | |
| 594 | static inline void msg_set_fragm_no(struct tipc_msg *m, u32 n) |
| 595 | { |
| 596 | msg_set_bits(m, 4, 16, 0xffff, n); |
| 597 | } |
| 598 | |
| 599 | |
| 600 | static inline u32 msg_next_sent(struct tipc_msg *m) |
| 601 | { |
| 602 | return msg_bits(m, 4, 0, 0xffff); |
| 603 | } |
| 604 | |
| 605 | static inline void msg_set_next_sent(struct tipc_msg *m, u32 n) |
| 606 | { |
| 607 | msg_set_bits(m, 4, 0, 0xffff, n); |
| 608 | } |
| 609 | |
| 610 | |
| 611 | static inline u32 msg_long_msgno(struct tipc_msg *m) |
| 612 | { |
| 613 | return msg_bits(m, 4, 0, 0xffff); |
| 614 | } |
| 615 | |
| 616 | static inline void msg_set_long_msgno(struct tipc_msg *m, u32 n) |
| 617 | { |
| 618 | msg_set_bits(m, 4, 0, 0xffff, n); |
| 619 | } |
| 620 | |
| 621 | static inline u32 msg_bc_netid(struct tipc_msg *m) |
| 622 | { |
| 623 | return msg_word(m, 4); |
| 624 | } |
| 625 | |
| 626 | static inline void msg_set_bc_netid(struct tipc_msg *m, u32 id) |
| 627 | { |
| 628 | msg_set_word(m, 4, id); |
| 629 | } |
| 630 | |
| 631 | static inline u32 msg_link_selector(struct tipc_msg *m) |
| 632 | { |
| 633 | return msg_bits(m, 4, 0, 1); |
| 634 | } |
| 635 | |
| 636 | static inline void msg_set_link_selector(struct tipc_msg *m, u32 n) |
| 637 | { |
| 638 | msg_set_bits(m, 4, 0, 1, (n & 1)); |
| 639 | } |
| 640 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 641 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 642 | * Word 5 |
| 643 | */ |
| 644 | |
| 645 | static inline u32 msg_session(struct tipc_msg *m) |
| 646 | { |
| 647 | return msg_bits(m, 5, 16, 0xffff); |
| 648 | } |
| 649 | |
| 650 | static inline void msg_set_session(struct tipc_msg *m, u32 n) |
| 651 | { |
| 652 | msg_set_bits(m, 5, 16, 0xffff, n); |
| 653 | } |
| 654 | |
| 655 | static inline u32 msg_probe(struct tipc_msg *m) |
| 656 | { |
| 657 | return msg_bits(m, 5, 0, 1); |
| 658 | } |
| 659 | |
| 660 | static inline void msg_set_probe(struct tipc_msg *m, u32 val) |
| 661 | { |
| 662 | msg_set_bits(m, 5, 0, 1, (val & 1)); |
| 663 | } |
| 664 | |
| 665 | static inline char msg_net_plane(struct tipc_msg *m) |
| 666 | { |
| 667 | return msg_bits(m, 5, 1, 7) + 'A'; |
| 668 | } |
| 669 | |
| 670 | static inline void msg_set_net_plane(struct tipc_msg *m, char n) |
| 671 | { |
| 672 | msg_set_bits(m, 5, 1, 7, (n - 'A')); |
| 673 | } |
| 674 | |
| 675 | static inline u32 msg_linkprio(struct tipc_msg *m) |
| 676 | { |
| 677 | return msg_bits(m, 5, 4, 0x1f); |
| 678 | } |
| 679 | |
| 680 | static inline void msg_set_linkprio(struct tipc_msg *m, u32 n) |
| 681 | { |
| 682 | msg_set_bits(m, 5, 4, 0x1f, n); |
| 683 | } |
| 684 | |
| 685 | static inline u32 msg_bearer_id(struct tipc_msg *m) |
| 686 | { |
| 687 | return msg_bits(m, 5, 9, 0x7); |
| 688 | } |
| 689 | |
| 690 | static inline void msg_set_bearer_id(struct tipc_msg *m, u32 n) |
| 691 | { |
| 692 | msg_set_bits(m, 5, 9, 0x7, n); |
| 693 | } |
| 694 | |
| 695 | static inline u32 msg_redundant_link(struct tipc_msg *m) |
| 696 | { |
| 697 | return msg_bits(m, 5, 12, 0x1); |
| 698 | } |
| 699 | |
Allan Stephens | 77f167f | 2011-02-28 15:30:20 -0500 | [diff] [blame] | 700 | static inline void msg_set_redundant_link(struct tipc_msg *m, u32 r) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 701 | { |
Allan Stephens | 77f167f | 2011-02-28 15:30:20 -0500 | [diff] [blame] | 702 | msg_set_bits(m, 5, 12, 0x1, r); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 703 | } |
| 704 | |
| 705 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 706 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 707 | * Word 9 |
| 708 | */ |
| 709 | |
| 710 | static inline u32 msg_msgcnt(struct tipc_msg *m) |
| 711 | { |
| 712 | return msg_bits(m, 9, 16, 0xffff); |
| 713 | } |
| 714 | |
| 715 | static inline void msg_set_msgcnt(struct tipc_msg *m, u32 n) |
| 716 | { |
| 717 | msg_set_bits(m, 9, 16, 0xffff, n); |
| 718 | } |
| 719 | |
| 720 | static inline u32 msg_bcast_tag(struct tipc_msg *m) |
| 721 | { |
| 722 | return msg_bits(m, 9, 16, 0xffff); |
| 723 | } |
| 724 | |
| 725 | static inline void msg_set_bcast_tag(struct tipc_msg *m, u32 n) |
| 726 | { |
| 727 | msg_set_bits(m, 9, 16, 0xffff, n); |
| 728 | } |
| 729 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 730 | static inline u32 msg_max_pkt(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 731 | { |
Eric Dumazet | a02cec2 | 2010-09-22 20:43:57 +0000 | [diff] [blame] | 732 | return msg_bits(m, 9, 16, 0xffff) * 4; |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 733 | } |
| 734 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 735 | static inline void msg_set_max_pkt(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 736 | { |
| 737 | msg_set_bits(m, 9, 16, 0xffff, (n / 4)); |
| 738 | } |
| 739 | |
| 740 | static inline u32 msg_link_tolerance(struct tipc_msg *m) |
| 741 | { |
| 742 | return msg_bits(m, 9, 0, 0xffff); |
| 743 | } |
| 744 | |
| 745 | static inline void msg_set_link_tolerance(struct tipc_msg *m, u32 n) |
| 746 | { |
| 747 | msg_set_bits(m, 9, 0, 0xffff, n); |
| 748 | } |
| 749 | |
Allan Stephens | 23461e8 | 2010-05-11 14:30:18 +0000 | [diff] [blame] | 750 | u32 tipc_msg_tot_importance(struct tipc_msg *m); |
| 751 | void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, |
| 752 | u32 hsize, u32 destnode); |
Allan Stephens | 2689690 | 2011-04-21 10:42:07 -0500 | [diff] [blame] | 753 | int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect, |
| 754 | u32 num_sect, unsigned int total_len, |
Allan Stephens | 0e65967 | 2010-12-31 18:59:32 +0000 | [diff] [blame] | 755 | int max_size, int usrmem, struct sk_buff **buf); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 756 | |
Per Liden | 4323add | 2006-01-18 00:38:21 +0100 | [diff] [blame] | 757 | static inline void msg_set_media_addr(struct tipc_msg *m, struct tipc_media_addr *a) |
| 758 | { |
| 759 | memcpy(&((int *)m)[5], a, sizeof(*a)); |
| 760 | } |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 761 | |
Per Liden | 4323add | 2006-01-18 00:38:21 +0100 | [diff] [blame] | 762 | static inline void msg_get_media_addr(struct tipc_msg *m, struct tipc_media_addr *a) |
| 763 | { |
Allan Stephens | 0e65967 | 2010-12-31 18:59:32 +0000 | [diff] [blame] | 764 | memcpy(a, &((int *)m)[5], sizeof(*a)); |
Per Liden | 4323add | 2006-01-18 00:38:21 +0100 | [diff] [blame] | 765 | } |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 766 | |
| 767 | #endif |