aarp.c File Reference

#include <sys/types.h>
#include <sys/socket.h>
#include <syslog.h>
#include <sys/param.h>
#include <sys/mbuf.h>
#include <sys/time.h>
#include <sys/kernel.h>
#include <net/if.h>
#include <net/route.h>
#include <net/af.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include "at.h"
#include "at_var.h"
#include "aarp.h"
#include "ddp_var.h"
#include "phase2.h"

Macros
#define	AARPTAB_BSIZ   9
#define	AARPTAB_NB   19
#define	AARPTAB_SIZE   (AARPTAB_BSIZ * AARPTAB_NB)
#define	AARPTAB_HASH(a)    ((((a).s_net << 8 ) + (a).s_node ) % AARPTAB_NB )
#define	AARPTAB_LOOK(aat, addr)
#define	AARPT_AGE   (60 * 1)
#define	AARPT_KILLC   20
#define	AARPT_KILLI   3

Functions
void	aarptimer (void)
struct ifaddr *	at_ifawithnet (struct sockaddr_at *sat, struct ifaddr *ifa)
void	aarpwhohas (struct arpcom *ac, struct sockaddr_at *sat)
int	aarpresolve (struct arpcom *ac, struct mbuf *m, struct sockaddr_at *destsat, unsigned char *desten)
void	aarpinput (struct arpcom *ac, struct mbuf *m)
void	at_aarpinput (struct arpcom *ac, struct mbuf *m)
void	aarptfree (struct aarptab *aat)
struct aarptab *	aarptnew (struct at_addr *addr)
void	aarpprobe (struct arpcom *ac)
void	aarp_clean (void)

Variables
struct aarptab	aarptab [AARPTAB_SIZE]
int	aarptab_size = AARPTAB_SIZE
unsigned char	etherbroadcastaddr [6]
unsigned char	atmulticastaddr [6]
unsigned char	at_org_code [3]
unsigned char	aarp_org_code [3]

Macro Definition Documentation

AARPT_AGE

#define AARPT_AGE   (60 * 1)

AARPT_KILLC

#define AARPT_KILLC   20

AARPT_KILLI

#define AARPT_KILLI   3

AARPTAB_BSIZ

#define AARPTAB_BSIZ   9

AARPTAB_HASH

#define AARPTAB_HASH

(

a

)

((((a).s_net << 8 ) + (a).s_node ) % AARPTAB_NB )

AARPTAB_LOOK

#define AARPTAB_LOOK	(		aat,
			addr
	)

Value:

    { \
    int     n; \
    aat = &aarptab[ AARPTAB_HASH(addr) * AARPTAB_BSIZ ]; \
    for ( n = 0; n < AARPTAB_BSIZ; n++, aat++ ) \
    if ( aat->aat_ataddr.s_net == (addr).s_net && \
         aat->aat_ataddr.s_node == (addr).s_node ) \
        break; \
    if ( n >= AARPTAB_BSIZ ) \
        aat = 0; \
}

AARPTAB_NB

#define AARPTAB_NB   19

AARPTAB_SIZE

#define AARPTAB_SIZE   (AARPTAB_BSIZ * AARPTAB_NB)

Function Documentation

aarp_clean()

void aarp_clean

(

void

)

aarpinput()

void aarpinput	(	struct arpcom *	ac,
		struct mbuf *	m
	)

aarpprobe()

void aarpprobe

(

struct arpcom *

ac

)

aarpresolve()

int aarpresolve	(	struct arpcom *	ac,
		struct mbuf *	m,
		struct sockaddr_at *	destsat,
		unsigned char *	desten
	)

aarptfree()

void aarptfree

(

struct aarptab *

aat

)

aarptimer()

void aarptimer

(

void

)

aarptnew()

struct aarptab * aarptnew

(

struct at_addr *

addr

)

aarpwhohas()

void aarpwhohas	(	struct arpcom *	ac,
		struct sockaddr_at *	sat
	)

at_aarpinput()

void at_aarpinput	(	struct arpcom *	ac,
		struct mbuf *	m
	)

at_ifawithnet()

struct ifaddr * at_ifawithnet	(	struct sockaddr_at *	sat,
		struct ifaddr *	ifa
	)

Variable Documentation

aarp_org_code

unsigned char aarp_org_code[3]

Initial value:

= {
    0x00, 0x00, 0x00,
}

aarptab

struct aarptab aarptab[AARPTAB_SIZE]

aarptab_size

int aarptab_size = AARPTAB_SIZE

at_org_code

unsigned char at_org_code[3]

Initial value:

= {
    0x08, 0x00, 0x07,
}

atmulticastaddr

unsigned char atmulticastaddr[6]

Initial value:

= {
    0x09, 0x00, 0x07, 0xff, 0xff, 0xff,
}

etherbroadcastaddr

unsigned char etherbroadcastaddr[6]

extern