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ip.h
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ip.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
#
ifndef
_IP_H
#
define
_IP_H
/* We need 'uint16_t' */
#
include
"
types.h
"
/* We need 'in_addr' */
#
include
"
in.h
"
struct
iphdr
{
uint8_t
verhdrlen
;
uint8_t
service
;
uint16_t
len
;
uint16_t
ident
;
uint16_t
frags
;
uint8_t
ttl
;
uint8_t
protocol
;
uint16_t
chksum
;
in_addr
src
;
in_addr
dest
;
};
extern
void
build_ip_hdr
(
unsigned
long
__destip
,
int
__ttl
,
int
__protocol
,
int
__option_len
,
int
__len
,
const
void
*
__buf
);
extern
int
ip_transmit
(
int
__len
,
const
void
*
__buf
);
extern
uint16_t
ipchksum
(
const
void
*
__data
,
unsigned
long
__length
);
extern
uint16_t
add_ipchksums
(
unsigned
long
__offset
,
uint16_t
__sum
,
uint16_t
__new
);
#
endif
/* _IP_H */