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 | * |
Jon Paul Maloy | 37e2216 | 2014-05-14 05:39:12 -0400 | [diff] [blame] | 4 | * Copyright (c) 2000-2007, 2014, 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 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 47 | #define TIPC_VERSION 2 |
Allan Stephens | 06d82c9 | 2008-03-06 15:06:55 -0800 | [diff] [blame] | 48 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 49 | /* |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 50 | * Payload message users are defined in TIPC's public API: |
| 51 | * - TIPC_LOW_IMPORTANCE |
| 52 | * - TIPC_MEDIUM_IMPORTANCE |
| 53 | * - TIPC_HIGH_IMPORTANCE |
| 54 | * - TIPC_CRITICAL_IMPORTANCE |
| 55 | */ |
| 56 | |
| 57 | /* |
| 58 | * Payload message types |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 59 | */ |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 60 | #define TIPC_CONN_MSG 0 |
| 61 | #define TIPC_MCAST_MSG 1 |
| 62 | #define TIPC_NAMED_MSG 2 |
| 63 | #define TIPC_DIRECT_MSG 3 |
| 64 | |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 65 | /* |
| 66 | * Message header sizes |
| 67 | */ |
Allan Stephens | 741d9eb | 2011-05-31 15:03:18 -0400 | [diff] [blame] | 68 | #define SHORT_H_SIZE 24 /* In-cluster basic payload message */ |
| 69 | #define BASIC_H_SIZE 32 /* Basic payload message */ |
| 70 | #define NAMED_H_SIZE 40 /* Named payload message */ |
| 71 | #define MCAST_H_SIZE 44 /* Multicast payload message */ |
Allan Stephens | 06d82c9 | 2008-03-06 15:06:55 -0800 | [diff] [blame] | 72 | #define INT_H_SIZE 40 /* Internal messages */ |
| 73 | #define MIN_H_SIZE 24 /* Smallest legal TIPC header size */ |
| 74 | #define MAX_H_SIZE 60 /* Largest possible TIPC header size */ |
| 75 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 76 | #define MAX_MSG_SIZE (MAX_H_SIZE + TIPC_MAX_USER_MSG_SIZE) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 77 | |
Allan Stephens | 3d749a6 | 2011-10-07 15:19:11 -0400 | [diff] [blame] | 78 | #define TIPC_MEDIA_ADDR_OFFSET 5 |
| 79 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 80 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 81 | struct tipc_msg { |
| 82 | __be32 hdr[15]; |
| 83 | }; |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 84 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 85 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 86 | static inline u32 msg_word(struct tipc_msg *m, u32 pos) |
| 87 | { |
| 88 | return ntohl(m->hdr[pos]); |
| 89 | } |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 90 | |
| 91 | static inline void msg_set_word(struct tipc_msg *m, u32 w, u32 val) |
| 92 | { |
| 93 | m->hdr[w] = htonl(val); |
| 94 | } |
| 95 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 96 | static inline u32 msg_bits(struct tipc_msg *m, u32 w, u32 pos, u32 mask) |
| 97 | { |
| 98 | return (msg_word(m, w) >> pos) & mask; |
| 99 | } |
| 100 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 101 | static inline void msg_set_bits(struct tipc_msg *m, u32 w, |
| 102 | u32 pos, u32 mask, u32 val) |
| 103 | { |
Allan Stephens | 1f9eda7 | 2007-04-24 14:51:55 -0700 | [diff] [blame] | 104 | val = (val & mask) << pos; |
Al Viro | becf3da | 2008-04-26 22:42:14 -0700 | [diff] [blame] | 105 | mask = mask << pos; |
| 106 | m->hdr[w] &= ~htonl(mask); |
| 107 | m->hdr[w] |= htonl(val); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 108 | } |
| 109 | |
Allan Stephens | 40aecb1 | 2008-06-04 17:54:48 -0700 | [diff] [blame] | 110 | static inline void msg_swap_words(struct tipc_msg *msg, u32 a, u32 b) |
| 111 | { |
| 112 | u32 temp = msg->hdr[a]; |
| 113 | |
| 114 | msg->hdr[a] = msg->hdr[b]; |
| 115 | msg->hdr[b] = temp; |
| 116 | } |
| 117 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 118 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 119 | * Word 0 |
| 120 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 121 | static inline u32 msg_version(struct tipc_msg *m) |
| 122 | { |
| 123 | return msg_bits(m, 0, 29, 7); |
| 124 | } |
| 125 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 126 | static inline void msg_set_version(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 127 | { |
Allan Stephens | 3769542 | 2008-03-06 15:07:42 -0800 | [diff] [blame] | 128 | msg_set_bits(m, 0, 29, 7, TIPC_VERSION); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | static inline u32 msg_user(struct tipc_msg *m) |
| 132 | { |
| 133 | return msg_bits(m, 0, 25, 0xf); |
| 134 | } |
| 135 | |
| 136 | static inline u32 msg_isdata(struct tipc_msg *m) |
| 137 | { |
Eric Dumazet | a02cec2 | 2010-09-22 20:43:57 +0000 | [diff] [blame] | 138 | return msg_user(m) <= TIPC_CRITICAL_IMPORTANCE; |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 139 | } |
| 140 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 141 | static inline void msg_set_user(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 142 | { |
| 143 | msg_set_bits(m, 0, 25, 0xf, n); |
| 144 | } |
| 145 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 146 | static inline u32 msg_importance(struct tipc_msg *m) |
| 147 | { |
| 148 | return msg_bits(m, 0, 25, 0xf); |
| 149 | } |
| 150 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 151 | static inline void msg_set_importance(struct tipc_msg *m, u32 i) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 152 | { |
| 153 | msg_set_user(m, i); |
| 154 | } |
| 155 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 156 | static inline u32 msg_hdr_sz(struct tipc_msg *m) |
| 157 | { |
| 158 | return msg_bits(m, 0, 21, 0xf) << 2; |
| 159 | } |
| 160 | |
Allan Stephens | 0e65967 | 2010-12-31 18:59:32 +0000 | [diff] [blame] | 161 | 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] | 162 | { |
| 163 | msg_set_bits(m, 0, 21, 0xf, n>>2); |
| 164 | } |
| 165 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 166 | static inline u32 msg_size(struct tipc_msg *m) |
| 167 | { |
| 168 | return msg_bits(m, 0, 0, 0x1ffff); |
| 169 | } |
| 170 | |
| 171 | static inline u32 msg_data_sz(struct tipc_msg *m) |
| 172 | { |
| 173 | return msg_size(m) - msg_hdr_sz(m); |
| 174 | } |
| 175 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 176 | static inline int msg_non_seq(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 177 | { |
| 178 | return msg_bits(m, 0, 20, 1); |
| 179 | } |
| 180 | |
Allan Stephens | 40aecb1 | 2008-06-04 17:54:48 -0700 | [diff] [blame] | 181 | 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] | 182 | { |
Allan Stephens | 40aecb1 | 2008-06-04 17:54:48 -0700 | [diff] [blame] | 183 | msg_set_bits(m, 0, 20, 1, n); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 184 | } |
| 185 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 186 | static inline int msg_dest_droppable(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 187 | { |
| 188 | return msg_bits(m, 0, 19, 1); |
| 189 | } |
| 190 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 191 | 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] | 192 | { |
| 193 | msg_set_bits(m, 0, 19, 1, d); |
| 194 | } |
| 195 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 196 | static inline int msg_src_droppable(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 197 | { |
| 198 | return msg_bits(m, 0, 18, 1); |
| 199 | } |
| 200 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 201 | 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] | 202 | { |
| 203 | msg_set_bits(m, 0, 18, 1, d); |
| 204 | } |
| 205 | |
| 206 | static inline void msg_set_size(struct tipc_msg *m, u32 sz) |
| 207 | { |
| 208 | m->hdr[0] = htonl((msg_word(m, 0) & ~0x1ffff) | sz); |
| 209 | } |
| 210 | |
| 211 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 212 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 213 | * Word 1 |
| 214 | */ |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 215 | static inline u32 msg_type(struct tipc_msg *m) |
| 216 | { |
| 217 | return msg_bits(m, 1, 29, 0x7); |
| 218 | } |
| 219 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 220 | static inline void msg_set_type(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 221 | { |
| 222 | msg_set_bits(m, 1, 29, 0x7, n); |
| 223 | } |
| 224 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 225 | static inline u32 msg_named(struct tipc_msg *m) |
| 226 | { |
| 227 | return msg_type(m) == TIPC_NAMED_MSG; |
| 228 | } |
| 229 | |
| 230 | static inline u32 msg_mcast(struct tipc_msg *m) |
| 231 | { |
| 232 | return msg_type(m) == TIPC_MCAST_MSG; |
| 233 | } |
| 234 | |
| 235 | static inline u32 msg_connected(struct tipc_msg *m) |
| 236 | { |
| 237 | return msg_type(m) == TIPC_CONN_MSG; |
| 238 | } |
| 239 | |
| 240 | static inline u32 msg_errcode(struct tipc_msg *m) |
| 241 | { |
| 242 | return msg_bits(m, 1, 25, 0xf); |
| 243 | } |
| 244 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 245 | static inline void msg_set_errcode(struct tipc_msg *m, u32 err) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 246 | { |
| 247 | msg_set_bits(m, 1, 25, 0xf, err); |
| 248 | } |
| 249 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 250 | static inline u32 msg_reroute_cnt(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 251 | { |
| 252 | return msg_bits(m, 1, 21, 0xf); |
| 253 | } |
| 254 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 255 | static inline void msg_incr_reroute_cnt(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 256 | { |
| 257 | msg_set_bits(m, 1, 21, 0xf, msg_reroute_cnt(m) + 1); |
| 258 | } |
| 259 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 260 | static inline void msg_reset_reroute_cnt(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 261 | { |
| 262 | msg_set_bits(m, 1, 21, 0xf, 0); |
| 263 | } |
| 264 | |
| 265 | static inline u32 msg_lookup_scope(struct tipc_msg *m) |
| 266 | { |
| 267 | return msg_bits(m, 1, 19, 0x3); |
| 268 | } |
| 269 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 270 | 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] | 271 | { |
| 272 | msg_set_bits(m, 1, 19, 0x3, n); |
| 273 | } |
| 274 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 275 | static inline u32 msg_bcast_ack(struct tipc_msg *m) |
| 276 | { |
| 277 | return msg_bits(m, 1, 0, 0xffff); |
| 278 | } |
| 279 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 280 | 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] | 281 | { |
| 282 | msg_set_bits(m, 1, 0, 0xffff, n); |
| 283 | } |
| 284 | |
| 285 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 286 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 287 | * Word 2 |
| 288 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 289 | static inline u32 msg_ack(struct tipc_msg *m) |
| 290 | { |
| 291 | return msg_bits(m, 2, 16, 0xffff); |
| 292 | } |
| 293 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 294 | static inline void msg_set_ack(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 295 | { |
| 296 | msg_set_bits(m, 2, 16, 0xffff, n); |
| 297 | } |
| 298 | |
| 299 | static inline u32 msg_seqno(struct tipc_msg *m) |
| 300 | { |
| 301 | return msg_bits(m, 2, 0, 0xffff); |
| 302 | } |
| 303 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 304 | static inline void msg_set_seqno(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 305 | { |
| 306 | msg_set_bits(m, 2, 0, 0xffff, n); |
| 307 | } |
| 308 | |
Allan Stephens | 40aecb1 | 2008-06-04 17:54:48 -0700 | [diff] [blame] | 309 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 310 | * Words 3-10 |
| 311 | */ |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 312 | static inline u32 msg_prevnode(struct tipc_msg *m) |
| 313 | { |
| 314 | return msg_word(m, 3); |
| 315 | } |
| 316 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 317 | static inline void msg_set_prevnode(struct tipc_msg *m, u32 a) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 318 | { |
| 319 | msg_set_word(m, 3, a); |
| 320 | } |
| 321 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 322 | static inline u32 msg_origport(struct tipc_msg *m) |
| 323 | { |
| 324 | return msg_word(m, 4); |
| 325 | } |
| 326 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 327 | static inline void msg_set_origport(struct tipc_msg *m, u32 p) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 328 | { |
| 329 | msg_set_word(m, 4, p); |
| 330 | } |
| 331 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 332 | static inline u32 msg_destport(struct tipc_msg *m) |
| 333 | { |
| 334 | return msg_word(m, 5); |
| 335 | } |
| 336 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 337 | static inline void msg_set_destport(struct tipc_msg *m, u32 p) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 338 | { |
| 339 | msg_set_word(m, 5, p); |
| 340 | } |
| 341 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 342 | static inline u32 msg_mc_netid(struct tipc_msg *m) |
| 343 | { |
| 344 | return msg_word(m, 5); |
| 345 | } |
| 346 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 347 | 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] | 348 | { |
| 349 | msg_set_word(m, 5, p); |
| 350 | } |
| 351 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 352 | static inline int msg_short(struct tipc_msg *m) |
| 353 | { |
Allan Stephens | 741d9eb | 2011-05-31 15:03:18 -0400 | [diff] [blame] | 354 | return msg_hdr_sz(m) == SHORT_H_SIZE; |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | static inline u32 msg_orignode(struct tipc_msg *m) |
| 358 | { |
| 359 | if (likely(msg_short(m))) |
| 360 | return msg_prevnode(m); |
| 361 | return msg_word(m, 6); |
| 362 | } |
| 363 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 364 | static inline void msg_set_orignode(struct tipc_msg *m, u32 a) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 365 | { |
| 366 | msg_set_word(m, 6, a); |
| 367 | } |
| 368 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 369 | static inline u32 msg_destnode(struct tipc_msg *m) |
| 370 | { |
| 371 | return msg_word(m, 7); |
| 372 | } |
| 373 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 374 | static inline void msg_set_destnode(struct tipc_msg *m, u32 a) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 375 | { |
| 376 | msg_set_word(m, 7, a); |
| 377 | } |
| 378 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 379 | static inline u32 msg_nametype(struct tipc_msg *m) |
| 380 | { |
| 381 | return msg_word(m, 8); |
| 382 | } |
| 383 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 384 | static inline void msg_set_nametype(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 385 | { |
| 386 | msg_set_word(m, 8, n); |
| 387 | } |
| 388 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 389 | static inline u32 msg_nameinst(struct tipc_msg *m) |
| 390 | { |
| 391 | return msg_word(m, 9); |
| 392 | } |
| 393 | |
| 394 | static inline u32 msg_namelower(struct tipc_msg *m) |
| 395 | { |
| 396 | return msg_nameinst(m); |
| 397 | } |
| 398 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 399 | static inline void msg_set_namelower(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 400 | { |
| 401 | msg_set_word(m, 9, n); |
| 402 | } |
| 403 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 404 | static inline void msg_set_nameinst(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 405 | { |
| 406 | msg_set_namelower(m, n); |
| 407 | } |
| 408 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 409 | static inline u32 msg_nameupper(struct tipc_msg *m) |
| 410 | { |
| 411 | return msg_word(m, 10); |
| 412 | } |
| 413 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 414 | static inline void msg_set_nameupper(struct tipc_msg *m, u32 n) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 415 | { |
| 416 | msg_set_word(m, 10, n); |
| 417 | } |
| 418 | |
Allan Stephens | d265fef | 2010-11-30 12:00:53 +0000 | [diff] [blame] | 419 | static inline unchar *msg_data(struct tipc_msg *m) |
| 420 | { |
| 421 | return ((unchar *)m) + msg_hdr_sz(m); |
| 422 | } |
| 423 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 424 | static inline struct tipc_msg *msg_get_wrapped(struct tipc_msg *m) |
| 425 | { |
| 426 | return (struct tipc_msg *)msg_data(m); |
| 427 | } |
| 428 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 429 | /* |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 430 | * Constants and routines used to read and write TIPC internal message headers |
| 431 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 432 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 433 | /* |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 434 | * Internal message users |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 435 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 436 | #define BCAST_PROTOCOL 5 |
| 437 | #define MSG_BUNDLER 6 |
| 438 | #define LINK_PROTOCOL 7 |
| 439 | #define CONN_MANAGER 8 |
Allan Stephens | 51a8e4d | 2010-12-31 18:59:18 +0000 | [diff] [blame] | 440 | #define ROUTE_DISTRIBUTOR 9 /* obsoleted */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 441 | #define CHANGEOVER_PROTOCOL 10 |
| 442 | #define NAME_DISTRIBUTOR 11 |
| 443 | #define MSG_FRAGMENTER 12 |
| 444 | #define LINK_CONFIG 13 |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 445 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 446 | /* |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 447 | * Connection management protocol message types |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 448 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 449 | #define CONN_PROBE 0 |
| 450 | #define CONN_PROBE_REPLY 1 |
| 451 | #define CONN_ACK 2 |
| 452 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 453 | /* |
Allan Stephens | cc4c435 | 2011-04-08 10:50:52 -0400 | [diff] [blame] | 454 | * Name distributor message types |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 455 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 456 | #define PUBLICATION 0 |
| 457 | #define WITHDRAWAL 1 |
| 458 | |
Allan Stephens | 92138d1 | 2011-04-08 11:04:15 -0400 | [diff] [blame] | 459 | /* |
| 460 | * Segmentation message types |
| 461 | */ |
Allan Stephens | 92138d1 | 2011-04-08 11:04:15 -0400 | [diff] [blame] | 462 | #define FIRST_FRAGMENT 0 |
| 463 | #define FRAGMENT 1 |
| 464 | #define LAST_FRAGMENT 2 |
| 465 | |
Jon Paul Maloy | 4f1688b | 2014-06-25 20:41:32 -0500 | [diff] [blame] | 466 | /* Bundling protocol message types |
| 467 | */ |
| 468 | #define BUNDLE_OPEN 0 |
| 469 | #define BUNDLE_CLOSED 1 |
| 470 | |
Allan Stephens | 92138d1 | 2011-04-08 11:04:15 -0400 | [diff] [blame] | 471 | /* |
| 472 | * Link management protocol message types |
| 473 | */ |
Allan Stephens | 92138d1 | 2011-04-08 11:04:15 -0400 | [diff] [blame] | 474 | #define STATE_MSG 0 |
| 475 | #define RESET_MSG 1 |
| 476 | #define ACTIVATE_MSG 2 |
| 477 | |
| 478 | /* |
| 479 | * Changeover tunnel message types |
| 480 | */ |
| 481 | #define DUPLICATE_MSG 0 |
| 482 | #define ORIGINAL_MSG 1 |
| 483 | |
| 484 | /* |
| 485 | * Config protocol message types |
| 486 | */ |
Allan Stephens | 92138d1 | 2011-04-08 11:04:15 -0400 | [diff] [blame] | 487 | #define DSC_REQ_MSG 0 |
| 488 | #define DSC_RESP_MSG 1 |
| 489 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 490 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 491 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 492 | * Word 1 |
| 493 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 494 | static inline u32 msg_seq_gap(struct tipc_msg *m) |
| 495 | { |
Allan Stephens | bd78453 | 2008-06-04 17:47:30 -0700 | [diff] [blame] | 496 | return msg_bits(m, 1, 16, 0x1fff); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | static inline void msg_set_seq_gap(struct tipc_msg *m, u32 n) |
| 500 | { |
Allan Stephens | bd78453 | 2008-06-04 17:47:30 -0700 | [diff] [blame] | 501 | msg_set_bits(m, 1, 16, 0x1fff, n); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 502 | } |
| 503 | |
Allan Stephens | fc0eea6 | 2011-10-28 16:26:41 -0400 | [diff] [blame] | 504 | static inline u32 msg_node_sig(struct tipc_msg *m) |
| 505 | { |
| 506 | return msg_bits(m, 1, 0, 0xffff); |
| 507 | } |
| 508 | |
| 509 | static inline void msg_set_node_sig(struct tipc_msg *m, u32 n) |
| 510 | { |
| 511 | msg_set_bits(m, 1, 0, 0xffff, n); |
| 512 | } |
| 513 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 514 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 515 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 516 | * Word 2 |
| 517 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 518 | static inline u32 msg_dest_domain(struct tipc_msg *m) |
| 519 | { |
| 520 | return msg_word(m, 2); |
| 521 | } |
| 522 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 523 | 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] | 524 | { |
| 525 | msg_set_word(m, 2, n); |
| 526 | } |
| 527 | |
| 528 | static inline u32 msg_bcgap_after(struct tipc_msg *m) |
| 529 | { |
| 530 | return msg_bits(m, 2, 16, 0xffff); |
| 531 | } |
| 532 | |
| 533 | static inline void msg_set_bcgap_after(struct tipc_msg *m, u32 n) |
| 534 | { |
| 535 | msg_set_bits(m, 2, 16, 0xffff, n); |
| 536 | } |
| 537 | |
| 538 | static inline u32 msg_bcgap_to(struct tipc_msg *m) |
| 539 | { |
| 540 | return msg_bits(m, 2, 0, 0xffff); |
| 541 | } |
| 542 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 543 | 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] | 544 | { |
| 545 | msg_set_bits(m, 2, 0, 0xffff, n); |
| 546 | } |
| 547 | |
| 548 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 549 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 550 | * Word 4 |
| 551 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 552 | static inline u32 msg_last_bcast(struct tipc_msg *m) |
| 553 | { |
| 554 | return msg_bits(m, 4, 16, 0xffff); |
| 555 | } |
| 556 | |
| 557 | static inline void msg_set_last_bcast(struct tipc_msg *m, u32 n) |
| 558 | { |
| 559 | msg_set_bits(m, 4, 16, 0xffff, n); |
| 560 | } |
| 561 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 562 | static inline void msg_set_fragm_no(struct tipc_msg *m, u32 n) |
| 563 | { |
| 564 | msg_set_bits(m, 4, 16, 0xffff, n); |
| 565 | } |
| 566 | |
| 567 | |
| 568 | static inline u32 msg_next_sent(struct tipc_msg *m) |
| 569 | { |
| 570 | return msg_bits(m, 4, 0, 0xffff); |
| 571 | } |
| 572 | |
| 573 | static inline void msg_set_next_sent(struct tipc_msg *m, u32 n) |
| 574 | { |
| 575 | msg_set_bits(m, 4, 0, 0xffff, n); |
| 576 | } |
| 577 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 578 | static inline void msg_set_long_msgno(struct tipc_msg *m, u32 n) |
| 579 | { |
| 580 | msg_set_bits(m, 4, 0, 0xffff, n); |
| 581 | } |
| 582 | |
| 583 | static inline u32 msg_bc_netid(struct tipc_msg *m) |
| 584 | { |
| 585 | return msg_word(m, 4); |
| 586 | } |
| 587 | |
| 588 | static inline void msg_set_bc_netid(struct tipc_msg *m, u32 id) |
| 589 | { |
| 590 | msg_set_word(m, 4, id); |
| 591 | } |
| 592 | |
| 593 | static inline u32 msg_link_selector(struct tipc_msg *m) |
| 594 | { |
| 595 | return msg_bits(m, 4, 0, 1); |
| 596 | } |
| 597 | |
| 598 | static inline void msg_set_link_selector(struct tipc_msg *m, u32 n) |
| 599 | { |
Allan Stephens | 7eb878e | 2011-05-25 13:28:27 -0400 | [diff] [blame] | 600 | msg_set_bits(m, 4, 0, 1, n); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 601 | } |
| 602 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 603 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 604 | * Word 5 |
| 605 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 606 | static inline u32 msg_session(struct tipc_msg *m) |
| 607 | { |
| 608 | return msg_bits(m, 5, 16, 0xffff); |
| 609 | } |
| 610 | |
| 611 | static inline void msg_set_session(struct tipc_msg *m, u32 n) |
| 612 | { |
| 613 | msg_set_bits(m, 5, 16, 0xffff, n); |
| 614 | } |
| 615 | |
| 616 | static inline u32 msg_probe(struct tipc_msg *m) |
| 617 | { |
| 618 | return msg_bits(m, 5, 0, 1); |
| 619 | } |
| 620 | |
| 621 | static inline void msg_set_probe(struct tipc_msg *m, u32 val) |
| 622 | { |
Allan Stephens | 7eb878e | 2011-05-25 13:28:27 -0400 | [diff] [blame] | 623 | msg_set_bits(m, 5, 0, 1, val); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 624 | } |
| 625 | |
| 626 | static inline char msg_net_plane(struct tipc_msg *m) |
| 627 | { |
| 628 | return msg_bits(m, 5, 1, 7) + 'A'; |
| 629 | } |
| 630 | |
| 631 | static inline void msg_set_net_plane(struct tipc_msg *m, char n) |
| 632 | { |
| 633 | msg_set_bits(m, 5, 1, 7, (n - 'A')); |
| 634 | } |
| 635 | |
| 636 | static inline u32 msg_linkprio(struct tipc_msg *m) |
| 637 | { |
| 638 | return msg_bits(m, 5, 4, 0x1f); |
| 639 | } |
| 640 | |
| 641 | static inline void msg_set_linkprio(struct tipc_msg *m, u32 n) |
| 642 | { |
| 643 | msg_set_bits(m, 5, 4, 0x1f, n); |
| 644 | } |
| 645 | |
| 646 | static inline u32 msg_bearer_id(struct tipc_msg *m) |
| 647 | { |
| 648 | return msg_bits(m, 5, 9, 0x7); |
| 649 | } |
| 650 | |
| 651 | static inline void msg_set_bearer_id(struct tipc_msg *m, u32 n) |
| 652 | { |
| 653 | msg_set_bits(m, 5, 9, 0x7, n); |
| 654 | } |
| 655 | |
| 656 | static inline u32 msg_redundant_link(struct tipc_msg *m) |
| 657 | { |
| 658 | return msg_bits(m, 5, 12, 0x1); |
| 659 | } |
| 660 | |
Allan Stephens | 77f167f | 2011-02-28 15:30:20 -0500 | [diff] [blame] | 661 | 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] | 662 | { |
Allan Stephens | 77f167f | 2011-02-28 15:30:20 -0500 | [diff] [blame] | 663 | msg_set_bits(m, 5, 12, 0x1, r); |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 664 | } |
| 665 | |
Allan Stephens | 3d749a6 | 2011-10-07 15:19:11 -0400 | [diff] [blame] | 666 | static inline char *msg_media_addr(struct tipc_msg *m) |
| 667 | { |
| 668 | return (char *)&m->hdr[TIPC_MEDIA_ADDR_OFFSET]; |
| 669 | } |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 670 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 671 | /* |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 672 | * Word 9 |
| 673 | */ |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 674 | static inline u32 msg_msgcnt(struct tipc_msg *m) |
| 675 | { |
| 676 | return msg_bits(m, 9, 16, 0xffff); |
| 677 | } |
| 678 | |
| 679 | static inline void msg_set_msgcnt(struct tipc_msg *m, u32 n) |
| 680 | { |
| 681 | msg_set_bits(m, 9, 16, 0xffff, n); |
| 682 | } |
| 683 | |
| 684 | static inline u32 msg_bcast_tag(struct tipc_msg *m) |
| 685 | { |
| 686 | return msg_bits(m, 9, 16, 0xffff); |
| 687 | } |
| 688 | |
| 689 | static inline void msg_set_bcast_tag(struct tipc_msg *m, u32 n) |
| 690 | { |
| 691 | msg_set_bits(m, 9, 16, 0xffff, n); |
| 692 | } |
| 693 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 694 | static inline u32 msg_max_pkt(struct tipc_msg *m) |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 695 | { |
Eric Dumazet | a02cec2 | 2010-09-22 20:43:57 +0000 | [diff] [blame] | 696 | return msg_bits(m, 9, 16, 0xffff) * 4; |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 697 | } |
| 698 | |
YOSHIFUJI Hideaki | c430728 | 2007-02-09 23:25:21 +0900 | [diff] [blame] | 699 | 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] | 700 | { |
| 701 | msg_set_bits(m, 9, 16, 0xffff, (n / 4)); |
| 702 | } |
| 703 | |
| 704 | static inline u32 msg_link_tolerance(struct tipc_msg *m) |
| 705 | { |
| 706 | return msg_bits(m, 9, 0, 0xffff); |
| 707 | } |
| 708 | |
| 709 | static inline void msg_set_link_tolerance(struct tipc_msg *m, u32 n) |
| 710 | { |
| 711 | msg_set_bits(m, 9, 0, 0xffff, n); |
| 712 | } |
| 713 | |
Jon Paul Maloy | 4f1688b | 2014-06-25 20:41:32 -0500 | [diff] [blame] | 714 | static inline u32 tipc_msg_tot_importance(struct tipc_msg *m) |
| 715 | { |
| 716 | if ((msg_user(m) == MSG_FRAGMENTER) && (msg_type(m) == FIRST_FRAGMENT)) |
| 717 | return msg_importance(msg_get_wrapped(m)); |
| 718 | return msg_importance(m); |
| 719 | } |
| 720 | |
| 721 | static inline u32 msg_tot_origport(struct tipc_msg *m) |
| 722 | { |
| 723 | if ((msg_user(m) == MSG_FRAGMENTER) && (msg_type(m) == FIRST_FRAGMENT)) |
| 724 | return msg_origport(msg_get_wrapped(m)); |
| 725 | return msg_origport(m); |
| 726 | } |
| 727 | |
Jon Paul Maloy | 8db1bae | 2014-06-25 20:41:35 -0500 | [diff] [blame] | 728 | bool tipc_msg_reverse(struct sk_buff *buf, u32 *dnode, int err); |
| 729 | |
Jon Paul Maloy | 5a37907 | 2014-06-25 20:41:36 -0500 | [diff] [blame] | 730 | int tipc_msg_eval(struct sk_buff *buf, u32 *dnode); |
| 731 | |
Paul Gortmaker | ae8509c | 2013-06-17 10:54:47 -0400 | [diff] [blame] | 732 | void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, u32 hsize, |
| 733 | u32 destnode); |
Jon Paul Maloy | 4f1688b | 2014-06-25 20:41:32 -0500 | [diff] [blame] | 734 | |
Allan Stephens | 2689690 | 2011-04-21 10:42:07 -0500 | [diff] [blame] | 735 | int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect, |
Ying Xue | 9446b87 | 2013-10-18 07:23:15 +0200 | [diff] [blame] | 736 | unsigned int len, int max_size, struct sk_buff **buf); |
Jon Paul Maloy | 37e2216 | 2014-05-14 05:39:12 -0400 | [diff] [blame] | 737 | |
| 738 | int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf); |
| 739 | |
Jon Paul Maloy | 4f1688b | 2014-06-25 20:41:32 -0500 | [diff] [blame] | 740 | bool tipc_msg_bundle(struct sk_buff *bbuf, struct sk_buff *buf, u32 mtu); |
| 741 | |
| 742 | bool tipc_msg_make_bundle(struct sk_buff **buf, u32 mtu, u32 dnode); |
| 743 | |
Jon Paul Maloy | 067608e | 2014-06-25 20:41:34 -0500 | [diff] [blame] | 744 | int tipc_msg_build2(struct tipc_msg *mhdr, struct iovec const *iov, |
| 745 | int offset, int dsz, int mtu , struct sk_buff **chain); |
| 746 | |
Jon Paul Maloy | 078bec8 | 2014-07-16 20:41:00 -0400 | [diff] [blame^] | 747 | struct sk_buff *tipc_msg_reassemble(struct sk_buff *chain); |
| 748 | |
Per Liden | b97bf3f | 2006-01-02 19:04:38 +0100 | [diff] [blame] | 749 | #endif |