/* Copyright (C) 1991-2018 Free Software Foundation, Inc.

[0] Fix | Delete

This file is part of the GNU C Library.

[1] Fix | Delete

[2] Fix | Delete

The GNU C Library is free software; you can redistribute it and/or

[3] Fix | Delete

modify it under the terms of the GNU Lesser General Public

[4] Fix | Delete

License as published by the Free Software Foundation; either

[5] Fix | Delete

version 2.1 of the License, or (at your option) any later version.

[6] Fix | Delete

[7] Fix | Delete

The GNU C Library is distributed in the hope that it will be useful,

[8] Fix | Delete

but WITHOUT ANY WARRANTY; without even the implied warranty of

[9] Fix | Delete

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

[10] Fix | Delete

Lesser General Public License for more details.

[11] Fix | Delete

[12] Fix | Delete

You should have received a copy of the GNU Lesser General Public

[13] Fix | Delete

License along with the GNU C Library; if not, see

[14] Fix | Delete

<http://www.gnu.org/licenses/>. */

[15] Fix | Delete

[16] Fix | Delete

#ifndef __NETINET_IP_H

[17] Fix | Delete

#define __NETINET_IP_H 1

[18] Fix | Delete

[19] Fix | Delete

#include <features.h>

[20] Fix | Delete

#include <sys/types.h>

[21] Fix | Delete

[22] Fix | Delete

#include <netinet/in.h>

[23] Fix | Delete

[24] Fix | Delete

__BEGIN_DECLS

[25] Fix | Delete

[26] Fix | Delete

struct timestamp

[27] Fix | Delete

{

[28] Fix | Delete

uint8_t len;

[29] Fix | Delete

uint8_t ptr;

[30] Fix | Delete

#if __BYTE_ORDER == __LITTLE_ENDIAN

[31] Fix | Delete

unsigned int flags:4;

[32] Fix | Delete

unsigned int overflow:4;

[33] Fix | Delete

#elif __BYTE_ORDER == __BIG_ENDIAN

[34] Fix | Delete

unsigned int overflow:4;

[35] Fix | Delete

unsigned int flags:4;

[36] Fix | Delete

#else

[37] Fix | Delete

# error "Please fix <bits/endian.h>"

[38] Fix | Delete

#endif

[39] Fix | Delete

uint32_t data[9];

[40] Fix | Delete

};

[41] Fix | Delete

[42] Fix | Delete

struct iphdr

[43] Fix | Delete

{

[44] Fix | Delete

#if __BYTE_ORDER == __LITTLE_ENDIAN

[45] Fix | Delete

unsigned int ihl:4;

[46] Fix | Delete

unsigned int version:4;

[47] Fix | Delete

#elif __BYTE_ORDER == __BIG_ENDIAN

[48] Fix | Delete

unsigned int version:4;

[49] Fix | Delete

unsigned int ihl:4;

[50] Fix | Delete

#else

[51] Fix | Delete

# error "Please fix <bits/endian.h>"

[52] Fix | Delete

#endif

[53] Fix | Delete

uint8_t tos;

[54] Fix | Delete

uint16_t tot_len;

[55] Fix | Delete

uint16_t id;

[56] Fix | Delete

uint16_t frag_off;

[57] Fix | Delete

uint8_t ttl;

[58] Fix | Delete

uint8_t protocol;

[59] Fix | Delete

uint16_t check;

[60] Fix | Delete

uint32_t saddr;

[61] Fix | Delete

uint32_t daddr;

[62] Fix | Delete

/*The options start here. */

[63] Fix | Delete

};

[64] Fix | Delete

[65] Fix | Delete

#ifdef __USE_MISC

[66] Fix | Delete

/*

[67] Fix | Delete

* Copyright (c) 1982, 1986, 1993

[68] Fix | Delete

* The Regents of the University of California. All rights reserved.

[69] Fix | Delete

*

[70] Fix | Delete

* Redistribution and use in source and binary forms, with or without

[71] Fix | Delete

* modification, are permitted provided that the following conditions

[72] Fix | Delete

* are met:

[73] Fix | Delete

* 1. Redistributions of source code must retain the above copyright

[74] Fix | Delete

* notice, this list of conditions and the following disclaimer.

[75] Fix | Delete

* 2. Redistributions in binary form must reproduce the above copyright

[76] Fix | Delete

* notice, this list of conditions and the following disclaimer in the

[77] Fix | Delete

* documentation and/or other materials provided with the distribution.

[78] Fix | Delete

* 4. Neither the name of the University nor the names of its contributors

[79] Fix | Delete

* may be used to endorse or promote products derived from this software

[80] Fix | Delete

* without specific prior written permission.

[81] Fix | Delete

*

[82] Fix | Delete

* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

[83] Fix | Delete

* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

[84] Fix | Delete

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

[85] Fix | Delete

* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

[86] Fix | Delete

* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

[87] Fix | Delete

* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

[88] Fix | Delete

* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

[89] Fix | Delete

* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

[90] Fix | Delete

* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

[91] Fix | Delete

* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

[92] Fix | Delete

* SUCH DAMAGE.

[93] Fix | Delete

*

[94] Fix | Delete

* @(#)ip.h 8.1 (Berkeley) 6/10/93

[95] Fix | Delete

*/

[96] Fix | Delete

[97] Fix | Delete

/*

[98] Fix | Delete

* Definitions for internet protocol version 4.

[99] Fix | Delete

* Per RFC 791, September 1981.

[100] Fix | Delete

*/

[101] Fix | Delete

[102] Fix | Delete

/*

[103] Fix | Delete

* Structure of an internet header, naked of options.

[104] Fix | Delete

*/

[105] Fix | Delete

struct ip

[106] Fix | Delete

{

[107] Fix | Delete

#if __BYTE_ORDER == __LITTLE_ENDIAN

[108] Fix | Delete

unsigned int ip_hl:4; /* header length */

[109] Fix | Delete

unsigned int ip_v:4; /* version */

[110] Fix | Delete

#endif

[111] Fix | Delete

#if __BYTE_ORDER == __BIG_ENDIAN

[112] Fix | Delete

unsigned int ip_v:4; /* version */

[113] Fix | Delete

unsigned int ip_hl:4; /* header length */

[114] Fix | Delete

#endif

[115] Fix | Delete

uint8_t ip_tos; /* type of service */

[116] Fix | Delete

unsigned short ip_len; /* total length */

[117] Fix | Delete

unsigned short ip_id; /* identification */

[118] Fix | Delete

unsigned short ip_off; /* fragment offset field */

[119] Fix | Delete

#define IP_RF 0x8000 /* reserved fragment flag */

[120] Fix | Delete

#define IP_DF 0x4000 /* dont fragment flag */

[121] Fix | Delete

#define IP_MF 0x2000 /* more fragments flag */

[122] Fix | Delete

#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */

[123] Fix | Delete

uint8_t ip_ttl; /* time to live */

[124] Fix | Delete

uint8_t ip_p; /* protocol */

[125] Fix | Delete

unsigned short ip_sum; /* checksum */

[126] Fix | Delete

struct in_addr ip_src, ip_dst; /* source and dest address */

[127] Fix | Delete

};

[128] Fix | Delete

[129] Fix | Delete

/*

[130] Fix | Delete

* Time stamp option structure.

[131] Fix | Delete

*/

[132] Fix | Delete

struct ip_timestamp

[133] Fix | Delete

{

[134] Fix | Delete

uint8_t ipt_code; /* IPOPT_TS */

[135] Fix | Delete

uint8_t ipt_len; /* size of structure (variable) */

[136] Fix | Delete

uint8_t ipt_ptr; /* index of current entry */

[137] Fix | Delete

#if __BYTE_ORDER == __LITTLE_ENDIAN

[138] Fix | Delete

unsigned int ipt_flg:4; /* flags, see below */

[139] Fix | Delete

unsigned int ipt_oflw:4; /* overflow counter */

[140] Fix | Delete

#endif

[141] Fix | Delete

#if __BYTE_ORDER == __BIG_ENDIAN

[142] Fix | Delete

unsigned int ipt_oflw:4; /* overflow counter */

[143] Fix | Delete

unsigned int ipt_flg:4; /* flags, see below */

[144] Fix | Delete

#endif

[145] Fix | Delete

uint32_t data[9];

[146] Fix | Delete

};

[147] Fix | Delete

#endif /* __USE_MISC */

[148] Fix | Delete

[149] Fix | Delete

#define IPVERSION 4 /* IP version number */

[150] Fix | Delete

#define IP_MAXPACKET 65535 /* maximum packet size */

[151] Fix | Delete

[152] Fix | Delete

/*

[153] Fix | Delete

* Definitions for Explicit Congestion Notification (ECN)

[154] Fix | Delete

*

[155] Fix | Delete

* Taken from RFC-3168, Section 5.

[156] Fix | Delete

*/

[157] Fix | Delete

[158] Fix | Delete

#define IPTOS_ECN_MASK 0x03

[159] Fix | Delete

#define IPTOS_ECN(x) ((x) & IPTOS_ECN_MASK)

[160] Fix | Delete

#define IPTOS_ECN_NOT_ECT 0x00

[161] Fix | Delete

#define IPTOS_ECN_ECT1 0x01

[162] Fix | Delete

#define IPTOS_ECN_ECT0 0x02

[163] Fix | Delete

#define IPTOS_ECN_CE 0x03

[164] Fix | Delete

[165] Fix | Delete

/*

[166] Fix | Delete

* Definitions for IP differentiated services code points (DSCP)

[167] Fix | Delete

*

[168] Fix | Delete

* Taken from RFC-2597, Section 6 and RFC-2598, Section 2.3.

[169] Fix | Delete

*/

[170] Fix | Delete

[171] Fix | Delete

#define IPTOS_DSCP_MASK 0xfc

[172] Fix | Delete

#define IPTOS_DSCP(x) ((x) & IPTOS_DSCP_MASK)

[173] Fix | Delete

#define IPTOS_DSCP_AF11 0x28

[174] Fix | Delete

#define IPTOS_DSCP_AF12 0x30

[175] Fix | Delete

#define IPTOS_DSCP_AF13 0x38

[176] Fix | Delete

#define IPTOS_DSCP_AF21 0x48

[177] Fix | Delete

#define IPTOS_DSCP_AF22 0x50

[178] Fix | Delete

#define IPTOS_DSCP_AF23 0x58

[179] Fix | Delete

#define IPTOS_DSCP_AF31 0x68

[180] Fix | Delete

#define IPTOS_DSCP_AF32 0x70

[181] Fix | Delete

#define IPTOS_DSCP_AF33 0x78

[182] Fix | Delete

#define IPTOS_DSCP_AF41 0x88

[183] Fix | Delete

#define IPTOS_DSCP_AF42 0x90

[184] Fix | Delete

#define IPTOS_DSCP_AF43 0x98

[185] Fix | Delete

#define IPTOS_DSCP_EF 0xb8

[186] Fix | Delete

[187] Fix | Delete

/*

[188] Fix | Delete

* In RFC 2474, Section 4.2.2.1, the Class Selector Codepoints subsume

[189] Fix | Delete

* the old ToS Precedence values.

[190] Fix | Delete

*/

[191] Fix | Delete

[192] Fix | Delete

#define IPTOS_CLASS_MASK 0xe0

[193] Fix | Delete

#define IPTOS_CLASS(class) ((class) & IPTOS_CLASS_MASK)

[194] Fix | Delete

#define IPTOS_CLASS_CS0 0x00

[195] Fix | Delete

#define IPTOS_CLASS_CS1 0x20

[196] Fix | Delete

#define IPTOS_CLASS_CS2 0x40

[197] Fix | Delete

#define IPTOS_CLASS_CS3 0x60

[198] Fix | Delete

#define IPTOS_CLASS_CS4 0x80

[199] Fix | Delete

#define IPTOS_CLASS_CS5 0xa0

[200] Fix | Delete

#define IPTOS_CLASS_CS6 0xc0

[201] Fix | Delete

#define IPTOS_CLASS_CS7 0xe0

[202] Fix | Delete

[203] Fix | Delete

#define IPTOS_CLASS_DEFAULT IPTOS_CLASS_CS0

[204] Fix | Delete

[205] Fix | Delete

/*

[206] Fix | Delete

* Definitions for IP type of service (ip_tos) [deprecated; use DSCP

[207] Fix | Delete

* and CS definitions above instead.]

[208] Fix | Delete

*/

[209] Fix | Delete

#define IPTOS_TOS_MASK 0x1E

[210] Fix | Delete

#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)

[211] Fix | Delete

#define IPTOS_LOWDELAY 0x10

[212] Fix | Delete

#define IPTOS_THROUGHPUT 0x08

[213] Fix | Delete

#define IPTOS_RELIABILITY 0x04

[214] Fix | Delete

#define IPTOS_LOWCOST 0x02

[215] Fix | Delete

#define IPTOS_MINCOST IPTOS_LOWCOST

[216] Fix | Delete

[217] Fix | Delete

/*

[218] Fix | Delete

* Definitions for IP precedence (also in ip_tos) [also deprecated.]

[219] Fix | Delete

*/

[220] Fix | Delete

#define IPTOS_PREC_MASK IPTOS_CLASS_MASK

[221] Fix | Delete

#define IPTOS_PREC(tos) IPTOS_CLASS(tos)

[222] Fix | Delete

#define IPTOS_PREC_NETCONTROL IPTOS_CLASS_CS7

[223] Fix | Delete

#define IPTOS_PREC_INTERNETCONTROL IPTOS_CLASS_CS6

[224] Fix | Delete

#define IPTOS_PREC_CRITIC_ECP IPTOS_CLASS_CS5

[225] Fix | Delete

#define IPTOS_PREC_FLASHOVERRIDE IPTOS_CLASS_CS4

[226] Fix | Delete

#define IPTOS_PREC_FLASH IPTOS_CLASS_CS3

[227] Fix | Delete

#define IPTOS_PREC_IMMEDIATE IPTOS_CLASS_CS2

[228] Fix | Delete

#define IPTOS_PREC_PRIORITY IPTOS_CLASS_CS1

[229] Fix | Delete

#define IPTOS_PREC_ROUTINE IPTOS_CLASS_CS0

[230] Fix | Delete

[231] Fix | Delete

/*

[232] Fix | Delete

* Definitions for options.

[233] Fix | Delete

*/

[234] Fix | Delete

#define IPOPT_COPY 0x80

[235] Fix | Delete

#define IPOPT_CLASS_MASK 0x60

[236] Fix | Delete

#define IPOPT_NUMBER_MASK 0x1f

[237] Fix | Delete

[238] Fix | Delete

#define IPOPT_COPIED(o) ((o) & IPOPT_COPY)

[239] Fix | Delete

#define IPOPT_CLASS(o) ((o) & IPOPT_CLASS_MASK)

[240] Fix | Delete

#define IPOPT_NUMBER(o) ((o) & IPOPT_NUMBER_MASK)

[241] Fix | Delete

[242] Fix | Delete

#define IPOPT_CONTROL 0x00

[243] Fix | Delete

#define IPOPT_RESERVED1 0x20

[244] Fix | Delete

#define IPOPT_DEBMEAS 0x40

[245] Fix | Delete

#define IPOPT_MEASUREMENT IPOPT_DEBMEAS

[246] Fix | Delete

#define IPOPT_RESERVED2 0x60

[247] Fix | Delete

[248] Fix | Delete

#define IPOPT_EOL 0 /* end of option list */

[249] Fix | Delete

#define IPOPT_END IPOPT_EOL

[250] Fix | Delete

#define IPOPT_NOP 1 /* no operation */

[251] Fix | Delete

#define IPOPT_NOOP IPOPT_NOP

[252] Fix | Delete

[253] Fix | Delete

#define IPOPT_RR 7 /* record packet route */

[254] Fix | Delete

#define IPOPT_TS 68 /* timestamp */

[255] Fix | Delete

#define IPOPT_TIMESTAMP IPOPT_TS

[256] Fix | Delete

#define IPOPT_SECURITY 130 /* provide s,c,h,tcc */

[257] Fix | Delete

#define IPOPT_SEC IPOPT_SECURITY

[258] Fix | Delete

#define IPOPT_LSRR 131 /* loose source route */

[259] Fix | Delete

#define IPOPT_SATID 136 /* satnet id */

[260] Fix | Delete

#define IPOPT_SID IPOPT_SATID

[261] Fix | Delete

#define IPOPT_SSRR 137 /* strict source route */

[262] Fix | Delete

#define IPOPT_RA 148 /* router alert */

[263] Fix | Delete

[264] Fix | Delete

/*

[265] Fix | Delete

* Offsets to fields in options other than EOL and NOP.

[266] Fix | Delete

*/

[267] Fix | Delete

#define IPOPT_OPTVAL 0 /* option ID */

[268] Fix | Delete

#define IPOPT_OLEN 1 /* option length */

[269] Fix | Delete

#define IPOPT_OFFSET 2 /* offset within option */

[270] Fix | Delete

#define IPOPT_MINOFF 4 /* min value of above */

[271] Fix | Delete

[272] Fix | Delete

#define MAX_IPOPTLEN 40

[273] Fix | Delete

[274] Fix | Delete

/* flag bits for ipt_flg */

[275] Fix | Delete

#define IPOPT_TS_TSONLY 0 /* timestamps only */

[276] Fix | Delete

#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */

[277] Fix | Delete

#define IPOPT_TS_PRESPEC 3 /* specified modules only */

[278] Fix | Delete

[279] Fix | Delete

/* bits for security (not byte swapped) */

[280] Fix | Delete

#define IPOPT_SECUR_UNCLASS 0x0000

[281] Fix | Delete

#define IPOPT_SECUR_CONFID 0xf135

[282] Fix | Delete

#define IPOPT_SECUR_EFTO 0x789a

[283] Fix | Delete

#define IPOPT_SECUR_MMMM 0xbc4d

[284] Fix | Delete

#define IPOPT_SECUR_RESTR 0xaf13

[285] Fix | Delete

#define IPOPT_SECUR_SECRET 0xd788

[286] Fix | Delete

#define IPOPT_SECUR_TOPSECRET 0x6bc5

[287] Fix | Delete

[288] Fix | Delete

/*

[289] Fix | Delete

* Internet implementation parameters.

[290] Fix | Delete

*/

[291] Fix | Delete

#define MAXTTL 255 /* maximum time to live (seconds) */

[292] Fix | Delete

#define IPDEFTTL 64 /* default ttl, from RFC 1340 */

[293] Fix | Delete

#define IPFRAGTTL 60 /* time to live for frags, slowhz */

[294] Fix | Delete

#define IPTTLDEC 1 /* subtracted when forwarding */

[295] Fix | Delete

[296] Fix | Delete

#define IP_MSS 576 /* default maximum segment size */

[297] Fix | Delete

[298] Fix | Delete

__END_DECLS

[299] Fix | Delete

[300] Fix | Delete

#endif /* netinet/ip.h */

[301] Fix | Delete

[302] Fix | Delete