| [270] | 1 | /*
|
|---|
| 2 | * TINET (TCP/IP Protocol Stack)
|
|---|
| 3 | *
|
|---|
| 4 | * Copyright (C) 2001-2009 by Dep. of Computer Science and Engineering
|
|---|
| 5 | * Tomakomai National College of Technology, JAPAN
|
|---|
| 6 | *
|
|---|
| 7 | * ä¸è¨èä½æ¨©è
|
|---|
| 8 | ã¯ï¼ä»¥ä¸ã® (1)ï½(4) ã®æ¡ä»¶ãï¼Free Software Foundation
|
|---|
| 9 | * ã«ãã£ã¦å
|
|---|
| 10 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
|
|---|
| 11 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
|
|---|
| 12 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
|
|---|
| 13 | å¸ï¼ä»¥ä¸ï¼
|
|---|
| 14 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
|
|---|
| 15 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
|
|---|
| 16 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
|
|---|
| 17 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
|
|---|
| 18 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
|
|---|
| 19 | * ç¨ã§ããå½¢ã§åé
|
|---|
| 20 | å¸ããå ´åã«ã¯ï¼åé
|
|---|
| 21 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
|
|---|
| 22 | * è
|
|---|
| 23 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
|
|---|
| 24 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
|
|---|
| 25 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
|
|---|
| 26 | * ç¨ã§ããªãå½¢ã§åé
|
|---|
| 27 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®æ¡ä»¶ãæºãããã¨ï¼
|
|---|
| 28 | * (a) åé
|
|---|
| 29 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
|
|---|
| 30 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
|
|---|
| 31 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
|
|---|
| 32 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
|
|---|
| 33 | * 害ãããï¼ä¸è¨èä½æ¨©è
|
|---|
| 34 | ããã³TOPPERSããã¸ã§ã¯ããå
|
|---|
| 35 | 責ãããã¨ï¼
|
|---|
| 36 | *
|
|---|
| 37 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
|
|---|
| 38 | ã
|
|---|
| 39 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
|
|---|
| 40 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
|
|---|
| 41 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
|
|---|
| 42 | *
|
|---|
| 43 | * @(#) $Id: ip_var.h 270 2017-02-09 04:03:47Z coas-nagasima $
|
|---|
| 44 | */
|
|---|
| 45 |
|
|---|
| 46 | /*
|
|---|
| 47 | * Copyright (c) 1982, 1986, 1993
|
|---|
| 48 | * The Regents of the University of California. All rights reserved.
|
|---|
| 49 | *
|
|---|
| 50 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 51 | * modification, are permitted provided that the following conditions
|
|---|
| 52 | * are met:
|
|---|
| 53 | * 1. Redistributions of source code must retain the above copyright
|
|---|
| 54 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 55 | * 2. Redistributions in binary form must reproduce the above copyright
|
|---|
| 56 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 57 | * documentation and/or other materials provided with the distribution.
|
|---|
| 58 | * 3. All advertising materials mentioning features or use of this software
|
|---|
| 59 | * must display the following acknowledgement:
|
|---|
| 60 | * This product includes software developed by the University of
|
|---|
| 61 | * California, Berkeley and its contributors.
|
|---|
| 62 | * 4. Neither the name of the University nor the names of its contributors
|
|---|
| 63 | * may be used to endorse or promote products derived from this software
|
|---|
| 64 | * without specific prior written permission.
|
|---|
| 65 | *
|
|---|
| 66 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|---|
| 67 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|---|
| 68 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|---|
| 69 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|---|
| 70 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|---|
| 71 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|---|
| 72 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|---|
| 73 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|---|
| 74 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|---|
| 75 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|---|
| 76 | * SUCH DAMAGE.
|
|---|
| 77 | *
|
|---|
| 78 | * @(#)ip_var.h 8.2 (Berkeley) 1/9/95
|
|---|
| 79 | * $FreeBSD: src/sys/netinet/ip_var.h,v 1.45.2.1 1999/08/29 16:29:51 peter Exp $
|
|---|
| 80 | */
|
|---|
| 81 |
|
|---|
| 82 | #ifndef _IP_VAR_H_
|
|---|
| 83 | #define _IP_VAR_H_
|
|---|
| 84 |
|
|---|
| 85 | /*
|
|---|
| 86 | * IPv4 ãããã»ãã¤ãã¼ãã¢ã¯ã»ã¹ãã¯ã
|
|---|
| 87 | */
|
|---|
| 88 |
|
|---|
| 89 | #define IF_IP4_HDR_SIZE (IF_HDR_SIZE + IP4_HDR_SIZE)
|
|---|
| 90 |
|
|---|
| 91 | #define GET_IP4_HDR(nbuf) ((T_IP4_HDR*)((nbuf)->buf + IF_HDR_SIZE))
|
|---|
| 92 | #define GET_IP4_SDU(nbuf) ((uint8_t*)((nbuf)->buf) + GET_IF_IP4_HDR_SIZE(nbuf))
|
|---|
| 93 |
|
|---|
| 94 | #define GET_IP4_HDR_SIZE(iph) ((uint8_t)IP4_VHL_HL((iph)->vhl) << 2)
|
|---|
| 95 | #define GET_IP4_SDU_SIZE(iph) (ntohs((iph)->len) - GET_IP4_HDR_SIZE(iph))
|
|---|
| 96 | #define GET_IF_IP4_HDR_SIZE(nbuf) (IF_HDR_SIZE + (GET_IP4_HDR_SIZE(GET_IP4_HDR(nbuf))))
|
|---|
| 97 |
|
|---|
| 98 | #define SET_IP4_SDU_SIZE(iph,slen) ((iph)->len=(uint16_t)htons((slen) + IP4_HDR_SIZE))
|
|---|
| 99 |
|
|---|
| 100 | /*
|
|---|
| 101 | * IPv4 㨠IPv6 ãã³ã³ãã¤ã«æã«é¸æããããã®ãã¯ã
|
|---|
| 102 | */
|
|---|
| 103 |
|
|---|
| 104 | #if defined(SUPPORT_INET4)
|
|---|
| 105 |
|
|---|
| 106 | #define T_TCP_IP_Q_HDR T_TCP_IP4_Q_HDR
|
|---|
| 107 |
|
|---|
| 108 | #define IF_IP_HDR_SIZE IF_IP4_HDR_SIZE
|
|---|
| 109 |
|
|---|
| 110 | #define GET_IP_HDR(nbuf) GET_IP4_HDR(nbuf)
|
|---|
| 111 | #define GET_IP_SDU(nbuf) GET_IP4_SDU(nbuf)
|
|---|
| 112 |
|
|---|
| 113 | #define GET_IP_HDR_SIZE(iph) GET_IP4_HDR_SIZE(iph)
|
|---|
| 114 | #define GET_IP_SDU_SIZE(iph) GET_IP4_SDU_SIZE(iph)
|
|---|
| 115 | #define GET_IF_IP_HDR_SIZE(nbuf) GET_IF_IP4_HDR_SIZE(nbuf)
|
|---|
| 116 |
|
|---|
| 117 | #define SET_IP_SDU_SIZE(iph,len) SET_IP4_SDU_SIZE(iph,len)
|
|---|
| 118 |
|
|---|
| 119 | #define IP_OUTPUT(nbuf,tmout) ip_output(nbuf,tmout)
|
|---|
| 120 | #define IP_INIT() ip_init()
|
|---|
| 121 | #define IP_REMOVE_OPTIONS(nbuf) ip_remove_options(nbuf)
|
|---|
| 122 |
|
|---|
| 123 | #endif /* of #if defined(SUPPORT_INET4) */
|
|---|
| 124 |
|
|---|
| 125 | /*
|
|---|
| 126 | * IP ã® MSS ãµã¤ãºã®ãããã¯ã¼ã¯ãããã¡
|
|---|
| 127 | */
|
|---|
| 128 |
|
|---|
| 129 | typedef struct t_net_buf_ip_mss {
|
|---|
| 130 | uint16_t len; /* ãã¼ã¿ã®é·ã */
|
|---|
| 131 | uint8_t idix; /* mpfid ã®ã¤ã³ããã¯ã¹ */
|
|---|
| 132 | uint8_t flags; /* ãã©ã° */
|
|---|
| 133 | #ifdef IF_ETHER_NIC_NET_BUF_ALIGN
|
|---|
| 134 | uint8_t nalign[IF_ETHER_NIC_NET_BUF_ALIGN];
|
|---|
| 135 | #endif
|
|---|
| 136 | #if CPU_NET_ALIGN == 4 && IF_HDR_ALIGN != 4
|
|---|
| 137 | uint8_t halign[4 - IF_HDR_ALIGN];
|
|---|
| 138 | #endif
|
|---|
| 139 | uint8_t buf[IF_HDR_SIZE + IP4_MSS];
|
|---|
| 140 | /* ãããã¡æ¬ä½ */
|
|---|
| 141 | } T_NET_BUF_IP_MSS;
|
|---|
| 142 |
|
|---|
| 143 | /*
|
|---|
| 144 | * 65536 ãªã¯ããããµã¤ãºã®ãããã¯ã¼ã¯ãããã¡
|
|---|
| 145 | */
|
|---|
| 146 |
|
|---|
| 147 | typedef struct t_net_buf4_65536 {
|
|---|
| 148 | uint16_t len; /* ãã¼ã¿ã®é·ã */
|
|---|
| 149 | uint8_t idix; /* mpfid ã®ã¤ã³ããã¯ã¹ */
|
|---|
| 150 | uint8_t flags; /* ãã©ã° */
|
|---|
| 151 | #ifdef IF_ETHER_NIC_NET_BUF_ALIGN
|
|---|
| 152 | uint8_t nalign[IF_ETHER_NIC_NET_BUF_ALIGN];
|
|---|
| 153 | #endif
|
|---|
| 154 | #if CPU_NET_ALIGN == 4 && IF_HDR_ALIGN != 4
|
|---|
| 155 | uint8_t halign[4 - IF_HDR_ALIGN];
|
|---|
| 156 | #endif
|
|---|
| 157 | uint8_t buf[IF_IP4_HDR_SIZE + 65536];
|
|---|
| 158 | /* ãããã¡æ¬ä½ */
|
|---|
| 159 | #if defined(IF_PDU_HDR_PADDING)
|
|---|
| 160 | uint8_t padding[IF_PDU_HDR_PADDING];
|
|---|
| 161 | #endif /* ãããã®ä½å */
|
|---|
| 162 | } T_NET_BUF4_65536;
|
|---|
| 163 |
|
|---|
| 164 | #ifdef IP4_CFG_FRAGMENT
|
|---|
| 165 |
|
|---|
| 166 | /*
|
|---|
| 167 | * åæ§æãã¥ã¼ç¨ IPv4 ãããã®å®ç¾©
|
|---|
| 168 | */
|
|---|
| 169 |
|
|---|
| 170 | typedef struct t_qip4_hdr {
|
|---|
| 171 | uint8_t vhl; /* version << 4 | header length >> 2 */
|
|---|
| 172 | /* length 㯠4 octets åä½ */
|
|---|
| 173 | uint8_t type; /* type of services */
|
|---|
| 174 | uint16_t len; /* total length */
|
|---|
| 175 |
|
|---|
| 176 | uint16_t id; /* identification */
|
|---|
| 177 | uint16_t flg_off; /* fragment flag & offset */
|
|---|
| 178 |
|
|---|
| 179 | uint8_t ttl; /* time to live */
|
|---|
| 180 | uint8_t proto; /* protocol */
|
|---|
| 181 | uint16_t sum; /* checksum */
|
|---|
| 182 |
|
|---|
| 183 | uint32_t src; /* source address */
|
|---|
| 184 |
|
|---|
| 185 | T_NET_BUF *next; /* 次㮠IPv4 ãã©ã°ã¡ã³ã */
|
|---|
| 186 | } __attribute__((packed, aligned(2)))T_QIP4_HDR;
|
|---|
| 187 |
|
|---|
| 188 | #define QIP4_HDR_SIZE (sizeof(T_QIP4_HDR))
|
|---|
| 189 | #define IF_QIP4_HDR_SIZE (IF_HDR_SIZE + QIP4_HDR_SIZE)
|
|---|
| 190 |
|
|---|
| 191 | #define GET_QIP4_HDR(nbuf) ((T_QIP4_HDR*)((nbuf)->buf + IF_HDR_SIZE))
|
|---|
| 192 | #define GET_QIP4_SDU(nbuf) ((uint8_t*)(nbuf)->buf + GET_IF_QIP4_HDR_SIZE(nbuf))
|
|---|
| 193 |
|
|---|
| 194 | #define GET_QIP4_HDR_SIZE(iph) ((uint8_t)IP4_VHL_HL((iph)->vhl) << 2)
|
|---|
| 195 | #define GET_IF_QIP4_HDR_SIZE(nbuf) (IF_HDR_SIZE + (GET_QIP4_HDR_SIZE(GET_QIP4_HDR(nbuf))))
|
|---|
| 196 |
|
|---|
| 197 | /*
|
|---|
| 198 | * ãã¼ã¿ã°ã©ã åæ§æç¨ãããã¯ã¼ã¯ãããã¡
|
|---|
| 199 | */
|
|---|
| 200 |
|
|---|
| 201 | typedef struct t_net_buf4_reassm {
|
|---|
| 202 | uint16_t len; /* ãã¼ã¿ã®é·ã */
|
|---|
| 203 | uint8_t idix; /* mpfid ã®ã¤ã³ããã¯ã¹ */
|
|---|
| 204 | uint8_t flags; /* ãã©ã° */
|
|---|
| 205 | #ifdef IF_ETHER_NIC_NET_BUF_ALIGN
|
|---|
| 206 | uint8_t nalign[IF_ETHER_NIC_NET_BUF_ALIGN];
|
|---|
| 207 | #endif
|
|---|
| 208 | #if CPU_NET_ALIGN == 4 && IF_HDR_ALIGN != 4
|
|---|
| 209 | uint8_t align[4 - IF_HDR_ALIGN];
|
|---|
| 210 | #endif
|
|---|
| 211 | uint8_t buf[IP4_CFG_FRAG_REASSM_SIZE];
|
|---|
| 212 | /* ãããã¡æ¬ä½ */
|
|---|
| 213 | } T_NET_BUF4_REASSM;
|
|---|
| 214 |
|
|---|
| 215 | #endif /* of #ifdef IP4_CFG_FRAGMENT */
|
|---|
| 216 |
|
|---|
| 217 | /*
|
|---|
| 218 | * TCP ã®åæ§æãã¥ã¼ã«ããã IPv4 ãããã®å®ç¾©
|
|---|
| 219 | */
|
|---|
| 220 |
|
|---|
| 221 | typedef struct t_tcp_ip4_q_hdr {
|
|---|
| 222 | uint8_t vhl; /* version << 4 | header length >> 2 */
|
|---|
| 223 | /* length 㯠4 octets åä½ */
|
|---|
| 224 | uint8_t type; /* type of services */
|
|---|
| 225 | uint16_t len; /* total length */
|
|---|
| 226 |
|
|---|
| 227 | uint16_t id; /* identification */
|
|---|
| 228 | uint16_t flg_off; /* fragment flag & offset */
|
|---|
| 229 |
|
|---|
| 230 | uint8_t ttl; /* time to live */
|
|---|
| 231 | uint8_t proto; /* protocol */
|
|---|
| 232 | uint16_t thoff; /* TCP ãããã®ãªãã»ãã */
|
|---|
| 233 |
|
|---|
| 234 | T_IN4_ADDR src; /* source address */
|
|---|
| 235 | T_IN4_ADDR dst; /* destination address */
|
|---|
| 236 | } __attribute__((packed, aligned(2)))T_TCP_IP4_Q_HDR;
|
|---|
| 237 |
|
|---|
| 238 | #ifdef SUPPORT_MIB
|
|---|
| 239 |
|
|---|
| 240 | /*
|
|---|
| 241 | * SNMP 㮠管çæ
|
|---|
| 242 | å ±ãã¼ã¹ (MIB)
|
|---|
| 243 | */
|
|---|
| 244 |
|
|---|
| 245 | typedef struct t_ip_stats {
|
|---|
| 246 | uint32_t ipInReceives;
|
|---|
| 247 | uint32_t ipInHdrErrors;
|
|---|
| 248 | uint32_t ipInAddrErrors;
|
|---|
| 249 | /* uint32_t ipForwDatagrams;*/
|
|---|
| 250 | uint32_t ipInUnknownProtos;
|
|---|
| 251 | /* uint32_t ipInDiscards;*/
|
|---|
| 252 | uint32_t ipInDelivers;
|
|---|
| 253 | uint32_t ipOutRequests;
|
|---|
| 254 | uint32_t ipOutDiscards;
|
|---|
| 255 | /* uint32_t ipOutNoRoutes;*/
|
|---|
| 256 |
|
|---|
| 257 | #ifdef IP4_CFG_FRAGMENT
|
|---|
| 258 |
|
|---|
| 259 | uint32_t ipReasmReqds;
|
|---|
| 260 | uint32_t ipReasmOKs;
|
|---|
| 261 | uint32_t ipReasmFails;
|
|---|
| 262 | uint32_t ipFragOKs;
|
|---|
| 263 | uint32_t ipFragFails;
|
|---|
| 264 | uint32_t ipFragCreates;
|
|---|
| 265 |
|
|---|
| 266 | #else /* of #ifdef IP4_CFG_FRAGMENT */
|
|---|
| 267 |
|
|---|
| 268 | uint32_t ipReasmReqds;
|
|---|
| 269 | /* uint32_t ipReasmOKs;*/
|
|---|
| 270 | uint32_t ipReasmFails;
|
|---|
| 271 | /* uint32_t ipFragOKs;*/
|
|---|
| 272 | /* uint32_t ipFragFails;*/
|
|---|
| 273 | /* uint32_t ipFragCreates;*/
|
|---|
| 274 |
|
|---|
| 275 | #endif /* of #ifdef IP4_CFG_FRAGMENT */
|
|---|
| 276 |
|
|---|
| 277 | } T_IP_STATS;
|
|---|
| 278 |
|
|---|
| 279 | extern T_IP_STATS ip_stats;
|
|---|
| 280 |
|
|---|
| 281 | #endif /* of #ifdef SUPPORT_MIB */
|
|---|
| 282 |
|
|---|
| 283 | /*
|
|---|
| 284 | * é¢æ°
|
|---|
| 285 | */
|
|---|
| 286 |
|
|---|
| 287 | extern void ip_frag_timer (void);
|
|---|
| 288 | extern void ip_init (void);
|
|---|
| 289 | extern ER ip_remove_options (T_NET_BUF *nbuf);
|
|---|
| 290 | extern ER ip_output (T_NET_BUF *nbuf, TMO tmout);
|
|---|
| 291 |
|
|---|
| 292 | #endif /* of #ifndef _IP_VAR_H_ */
|
|---|
![(please configure the [header_logo] section in trac.ini)](/trac_user/contrib/chrome/site/your_project_logo.png){kind=logo}
