ip.h File Reference

Go to the source code of this file.

Data Structures
struct	ip
struct	ip_timestamp
union	ip_timestamp::ipt_timestamp
struct	ip_timestamp::ipt_timestamp::ipt_ta

Macros
#define	IPVERSION   4
#define	IP_DF   0x4000 /* dont fragment flag */
#define	IP_MF   0x2000 /* more fragments flag */
#define	IP_OFFMASK   0x1fff /* mask for fragmenting bits */
#define	IP_V(iph)
#define	IP_HL(iph)
#define	IP_V_SET(iph, x)
#define	IP_HL_SET(iph, x)
#define	IP_MAXPACKET   65535 /* maximum packet size */
#define	IPTOS_LOWDELAY   0x10
#define	IPTOS_THROUGHPUT   0x08
#define	IPTOS_RELIABILITY   0x04
#define	IPTOS_PREC_NETCONTROL   0xe0
#define	IPTOS_PREC_INTERNETCONTROL   0xc0
#define	IPTOS_PREC_CRITIC_ECP   0xa0
#define	IPTOS_PREC_FLASHOVERRIDE   0x80
#define	IPTOS_PREC_FLASH   0x60
#define	IPTOS_PREC_IMMEDIATE   0x40
#define	IPTOS_PREC_PRIORITY   0x20
#define	IPTOS_PREC_ROUTINE   0x00
#define	IPOPT_COPIED(o)
#define	IPOPT_CLASS(o)
#define	IPOPT_NUMBER(o)
#define	IPOPT_CONTROL   0x00
#define	IPOPT_RESERVED1   0x20
#define	IPOPT_DEBMEAS   0x40
#define	IPOPT_RESERVED2   0x60
#define	IPOPT_EOL   0 /* end of option list */
#define	IPOPT_NOP   1 /* no operation */
#define	IPOPT_RR   7 /* record packet route */
#define	IPOPT_TS   68 /* timestamp */
#define	IPOPT_SECURITY   130 /* provide s,c,h,tcc */
#define	IPOPT_LSRR   131 /* loose source route */
#define	IPOPT_SATID   136 /* satnet id */
#define	IPOPT_SSRR   137 /* strict source route */
#define	IPOPT_OPTVAL   0 /* option ID */
#define	IPOPT_OLEN   1 /* option length */
#define	IPOPT_OFFSET   2 /* offset within option */
#define	IPOPT_MINOFF   4 /* min value of above */
#define	IPOPT_TS_TSONLY   0 /* timestamps only */
#define	IPOPT_TS_TSANDADDR   1 /* timestamps and addresses */
#define	IPOPT_TS_PRESPEC   3 /* specified modules only */
#define	IPOPT_SECUR_UNCLASS   0x0000
#define	IPOPT_SECUR_CONFID   0xf135
#define	IPOPT_SECUR_EFTO   0x789a
#define	IPOPT_SECUR_MMMM   0xbc4d
#define	IPOPT_SECUR_RESTR   0xaf13
#define	IPOPT_SECUR_SECRET   0xd788
#define	IPOPT_SECUR_TOPSECRET   0x6bc5
#define	MAXTTL   255 /* maximum time to live (seconds) */
#define	IPDEFTTL   64 /* default ttl, from RFC 1340 */
#define	IPFRAGTTL   60 /* time to live for frags, slowhz */
#define	IPTTLDEC   1 /* subtracted when forwarding */
#define	IP_MSS   576 /* default maximum segment size */

Macro Definition Documentation

IP_DF

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

Definition at line 53 of file ip.h.

IP_HL

#define IP_HL

(

iph

)

Value:

(((iph)->ip_fvhl & 0x0F) << 2)

Definition at line 63 of file ip.h.

IP_HL_SET

#define IP_HL_SET	(		iph,
			x )

Value:

                          ((iph)->ip_fvhl = \
                          ((iph)->ip_fvhl & 0xF0) | (((x) >> 2) & 0x0F))

Definition at line 65 of file ip.h.

IP_MAXPACKET

#define IP_MAXPACKET   65535 /* maximum packet size */

Definition at line 68 of file ip.h.

IP_MF

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

Definition at line 54 of file ip.h.

IP_MSS

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

Definition at line 159 of file ip.h.

IP_OFFMASK

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

Definition at line 55 of file ip.h.

IP_V

#define IP_V

(

iph

)

Value:

((iph)->ip_fvhl >> 4)

Definition at line 62 of file ip.h.

IP_V_SET

#define IP_V_SET	(		iph,
			x )

Value:

((iph)->ip_fvhl = ((iph)->ip_fvhl & 0x0F) | ((x) << 4))

Definition at line 64 of file ip.h.

IPDEFTTL

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

Definition at line 155 of file ip.h.

IPFRAGTTL

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

Definition at line 156 of file ip.h.

IPOPT_CLASS

#define IPOPT_CLASS

(

o

)

Value:

((o)&0x60)

Definition at line 94 of file ip.h.

IPOPT_CONTROL

#define IPOPT_CONTROL   0x00

Definition at line 97 of file ip.h.

IPOPT_COPIED

#define IPOPT_COPIED

(

o

)

Value:

((o)&0x80)

Definition at line 93 of file ip.h.

IPOPT_DEBMEAS

#define IPOPT_DEBMEAS   0x40

Definition at line 99 of file ip.h.

IPOPT_EOL

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

Definition at line 102 of file ip.h.

IPOPT_LSRR

#define IPOPT_LSRR   131 /* loose source route */

Definition at line 108 of file ip.h.

IPOPT_MINOFF

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

Definition at line 118 of file ip.h.

IPOPT_NOP

#define IPOPT_NOP   1 /* no operation */

Definition at line 103 of file ip.h.

IPOPT_NUMBER

#define IPOPT_NUMBER

(

o

)

Value:

((o)&0x1f)

Definition at line 95 of file ip.h.

IPOPT_OFFSET

#define IPOPT_OFFSET   2 /* offset within option */

Definition at line 117 of file ip.h.

IPOPT_OLEN

#define IPOPT_OLEN   1 /* option length */

Definition at line 116 of file ip.h.

IPOPT_OPTVAL

#define IPOPT_OPTVAL   0 /* option ID */

Definition at line 115 of file ip.h.

IPOPT_RESERVED1

#define IPOPT_RESERVED1   0x20

Definition at line 98 of file ip.h.

IPOPT_RESERVED2

#define IPOPT_RESERVED2   0x60

Definition at line 100 of file ip.h.

IPOPT_RR

#define IPOPT_RR   7 /* record packet route */

Definition at line 105 of file ip.h.

IPOPT_SATID

#define IPOPT_SATID   136 /* satnet id */

Definition at line 109 of file ip.h.

IPOPT_SECUR_CONFID

#define IPOPT_SECUR_CONFID   0xf135

Definition at line 144 of file ip.h.

IPOPT_SECUR_EFTO

#define IPOPT_SECUR_EFTO   0x789a

Definition at line 145 of file ip.h.

IPOPT_SECUR_MMMM

#define IPOPT_SECUR_MMMM   0xbc4d

Definition at line 146 of file ip.h.

IPOPT_SECUR_RESTR

#define IPOPT_SECUR_RESTR   0xaf13

Definition at line 147 of file ip.h.

IPOPT_SECUR_SECRET

#define IPOPT_SECUR_SECRET   0xd788

Definition at line 148 of file ip.h.

IPOPT_SECUR_TOPSECRET

#define IPOPT_SECUR_TOPSECRET   0x6bc5

Definition at line 149 of file ip.h.

IPOPT_SECUR_UNCLASS

#define IPOPT_SECUR_UNCLASS   0x0000

Definition at line 143 of file ip.h.

IPOPT_SECURITY

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

Definition at line 107 of file ip.h.

IPOPT_SSRR

#define IPOPT_SSRR   137 /* strict source route */

Definition at line 110 of file ip.h.

IPOPT_TS

#define IPOPT_TS   68 /* timestamp */

Definition at line 106 of file ip.h.

IPOPT_TS_PRESPEC

#define IPOPT_TS_PRESPEC   3 /* specified modules only */

Definition at line 140 of file ip.h.

IPOPT_TS_TSANDADDR

#define IPOPT_TS_TSANDADDR   1 /* timestamps and addresses */

Definition at line 139 of file ip.h.

IPOPT_TS_TSONLY

#define IPOPT_TS_TSONLY   0 /* timestamps only */

Definition at line 138 of file ip.h.

IPTOS_LOWDELAY

#define IPTOS_LOWDELAY   0x10

Definition at line 73 of file ip.h.

IPTOS_PREC_CRITIC_ECP

#define IPTOS_PREC_CRITIC_ECP   0xa0

Definition at line 83 of file ip.h.

IPTOS_PREC_FLASH

#define IPTOS_PREC_FLASH   0x60

Definition at line 85 of file ip.h.

IPTOS_PREC_FLASHOVERRIDE

#define IPTOS_PREC_FLASHOVERRIDE   0x80

Definition at line 84 of file ip.h.

IPTOS_PREC_IMMEDIATE

#define IPTOS_PREC_IMMEDIATE   0x40

Definition at line 86 of file ip.h.

IPTOS_PREC_INTERNETCONTROL

#define IPTOS_PREC_INTERNETCONTROL   0xc0

Definition at line 82 of file ip.h.

IPTOS_PREC_NETCONTROL

#define IPTOS_PREC_NETCONTROL   0xe0

Definition at line 81 of file ip.h.

IPTOS_PREC_PRIORITY

#define IPTOS_PREC_PRIORITY   0x20

Definition at line 87 of file ip.h.

IPTOS_PREC_ROUTINE

#define IPTOS_PREC_ROUTINE   0x00

Definition at line 88 of file ip.h.

IPTOS_RELIABILITY

#define IPTOS_RELIABILITY   0x04

Definition at line 75 of file ip.h.

IPTOS_THROUGHPUT

#define IPTOS_THROUGHPUT   0x08

Definition at line 74 of file ip.h.

IPTTLDEC

#define IPTTLDEC   1 /* subtracted when forwarding */

Definition at line 157 of file ip.h.

IPVERSION

#define IPVERSION   4

Definition at line 38 of file ip.h.

MAXTTL

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

Definition at line 154 of file ip.h.