ip_carp.h File Reference

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Data Structures
struct	carp_header
struct	carpstats
struct	carpreq

Macros
#define	CARP_DFLTTL   255
#define	CARP_VERSION   2
#define	CARP_ADVERTISEMENT   0x01
#define	CARP_KEY_LEN   20 /* a sha1 hash of a passphrase */
#define	CARP_DFLTINTV   1
#define	CARP_MAXVHID   255
#define	CARP_STATES   "INIT", "BACKUP", "MASTER"
#define	CARP_MAXSTATE   2
#define	CARP_MAXSKEW   240
#define	SIOCSVH   _IOWR('i', 245, struct ifreq)
#define	SIOCGVH   _IOWR('i', 246, struct ifreq)

Functions
int	carp_ioctl (struct ifreq *, u_long, struct thread *)
int	carp_attach (struct ifaddr *, int)
void	carp_detach (struct ifaddr *, bool)
void	carp_carpdev_state (struct ifnet *)
int	carp_input (struct mbuf **, int *, int)
int	carp6_input (struct mbuf **, int *, int)
int	carp_output (struct ifnet *, struct mbuf *, const struct sockaddr *)
int	carp_master (struct ifaddr *)
int	carp_iamatch (struct ifaddr *, uint8_t **)
struct ifaddr *	carp_iamatch6 (struct ifnet *, struct in6_addr *)
char *	carp_macmatch6 (struct ifnet *, struct mbuf *, const struct in6_addr *)
int	carp_forus (struct ifnet *, u_char *)

Variables
struct carp_header	__packed
int(*	carp_ioctl_p )(struct ifreq *, u_long, struct thread *)
int(*	carp_attach_p )(struct ifaddr *, int)
void(*	carp_detach_p )(struct ifaddr *, bool)
void(*	carp_linkstate_p )(struct ifnet *)
void(*	carp_demote_adj_p )(int, char *)
int(*	carp_master_p )(struct ifaddr *)
int(*	carp_forus_p )(struct ifnet *, u_char *)
int(*	carp_output_p )(struct ifnet *, struct mbuf *, const struct sockaddr *)
int(*	carp_get_vhid_p )(struct ifaddr *)

Macro Definition Documentation

CARP_ADVERTISEMENT

#define CARP_ADVERTISEMENT   0x01

Definition at line 91 of file ip_carp.h.

CARP_DFLTINTV

#define CARP_DFLTINTV   1

Definition at line 96 of file ip_carp.h.

CARP_DFLTTL

#define CARP_DFLTTL   255

Definition at line 85 of file ip_carp.h.

CARP_KEY_LEN

#define CARP_KEY_LEN   20 /* a sha1 hash of a passphrase */

Definition at line 93 of file ip_carp.h.

CARP_MAXSKEW

#define CARP_MAXSKEW   240

Definition at line 133 of file ip_carp.h.

CARP_MAXSTATE

#define CARP_MAXSTATE   2

Definition at line 131 of file ip_carp.h.

CARP_MAXVHID

#define CARP_MAXVHID   255

Definition at line 128 of file ip_carp.h.

CARP_STATES

#define CARP_STATES   "INIT", "BACKUP", "MASTER"

Definition at line 130 of file ip_carp.h.

CARP_VERSION

#define CARP_VERSION   2

Definition at line 88 of file ip_carp.h.

SIOCGVH

#define SIOCGVH   _IOWR('i', 246, struct ifreq)

Definition at line 138 of file ip_carp.h.

SIOCSVH

#define SIOCSVH   _IOWR('i', 245, struct ifreq)

Definition at line 137 of file ip_carp.h.

Function Documentation

carp6_input()

int carp6_input	(	struct mbuf **	,
		int *	,
		int
	)

carp_attach()

int carp_attach	(	struct ifaddr *	ifa,
		int	vhid
	)

Definition at line 1910 of file ip_carp.c.

References carp_grow_ifas(), CARP_LOCK, carp_multicast_setup(), carp_sc_state(), CARP_UNLOCK, CIF_FREE, IFNET_FOREACH_CARP, carp_softc::sc_ifas, carp_softc::sc_ifasiz, carp_softc::sc_naddrs, carp_softc::sc_naddrs6, and carp_softc::sc_vhid.

Referenced by carp_mod_load().

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carp_carpdev_state()

void carp_carpdev_state

(

struct ifnet *

)

carp_detach()

void carp_detach	(	struct ifaddr *	ifa,
		bool	keep_cif
	)

Definition at line 1986 of file ip_carp.c.

References carp_destroy(), carp_ifa_delroute(), CARP_LOCK, carp_multicast_cleanup(), carp_sc_state(), CARP_UNLOCK, CIF_FREE, carp_softc::sc_ifas, carp_softc::sc_naddrs, and carp_softc::sc_naddrs6.

Referenced by carp_mod_load().

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carp_forus()

int carp_forus	(	struct ifnet *	ifp,
		u_char *	dhost
	)

Definition at line 1243 of file ip_carp.c.

References CIF_LOCK, CIF_UNLOCK, IFNET_FOREACH_CARP, carp_softc::MASTER, carp_softc::sc_addr, and carp_softc::sc_state.

Referenced by carp_mod_load().

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carp_iamatch()

int carp_iamatch	(	struct ifaddr *	,
		uint8_t **
	)

Referenced by carp_mod_load().

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carp_iamatch6()

struct ifaddr * carp_iamatch6	(	struct ifnet *	,
		struct in6_addr *
	)

Referenced by carp_mod_load().

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carp_input()

int carp_input	(	struct mbuf **	,
		int *	,
		int
	)

carp_ioctl()

int carp_ioctl	(	struct ifreq *	ifr,
		u_long	cmd,
		struct thread *	td
	)

Definition at line 1733 of file ip_carp.c.

References carp_softc::BACKUP, carp_alloc(), carp_carprcp(), carp_delroute(), CARP_DFLTINTV, CARP_LOCK, carp_master_down_locked(), CARP_MAXVHID, carp_set_state(), carp_setrun(), CARP_UNLOCK, carpreq::carpr_advbase, carpreq::carpr_advskew, carpreq::carpr_count, carpreq::carpr_key, carpreq::carpr_state, carpreq::carpr_vhid, CIF_UNLOCK, count, IFNET_FOREACH_CARP, carp_softc::INIT, carp_softc::MASTER, carp_softc::sc_ad_tmo, carp_softc::sc_addr, carp_softc::sc_advbase, carp_softc::sc_advskew, carp_softc::sc_key, carp_softc::sc_state, carp_softc::sc_vhid, SIOCGVH, and SIOCSVH.

Referenced by carp_mod_load().

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carp_macmatch6()

char * carp_macmatch6	(	struct ifnet *	,
		struct mbuf *	,
		const struct in6_addr *
	)

Referenced by carp_mod_load().

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carp_master()

int carp_master

(

struct ifaddr *

ifa

)

Definition at line 1124 of file ip_carp.c.

References carp_softc::MASTER, and carp_softc::sc_state.

Referenced by carp_mod_load().

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carp_output()

int carp_output	(	struct ifnet *	ifp,
		struct mbuf *	m,
		const struct sockaddr *	sa
	)

Definition at line 1527 of file ip_carp.c.

References carp_softc::sc_vhid.

Referenced by carp_mod_load().

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Variable Documentation

__packed

struct carp_header __packed

carp_attach_p

int(* carp_attach_p) (struct ifaddr *, int) ( struct ifaddr *  , int    )

extern

Referenced by carp_mod_cleanup(), carp_mod_load(), and in_aifaddr_ioctl().

carp_demote_adj_p

void(* carp_demote_adj_p) (int, char *) ( int  , char *    )

extern

Referenced by carp_mod_cleanup(), and carp_mod_load().

carp_detach_p

void(* carp_detach_p) (struct ifaddr *, bool) ( struct ifaddr *  , bool    )

extern

Referenced by carp_mod_cleanup(), and carp_mod_load().

carp_forus_p

int(* carp_forus_p) (struct ifnet *, u_char *) ( struct ifnet *  , u_char *    )

extern

Referenced by carp_mod_cleanup(), and carp_mod_load().

carp_get_vhid_p

int(* carp_get_vhid_p) (struct ifaddr *) ( struct ifaddr *  )

extern

Referenced by carp_mod_cleanup(), and carp_mod_load().

carp_ioctl_p

int(* carp_ioctl_p) (struct ifreq *, u_long, struct thread *) ( struct ifreq *  , u_long  , struct thread *    )

extern

Referenced by carp_mod_cleanup(), and carp_mod_load().

carp_linkstate_p

void(* carp_linkstate_p) (struct ifnet *) ( struct ifnet *  )

extern

Referenced by carp_mod_cleanup(), and carp_mod_load().

carp_master_p

int(* carp_master_p) (struct ifaddr *) ( struct ifaddr *  )

extern

Referenced by carp_mod_cleanup(), and carp_mod_load().

carp_output_p

int(* carp_output_p) (struct ifnet *, struct mbuf *, const struct sockaddr *) ( struct ifnet *  , struct mbuf *  , const struct sockaddr *    )

extern

Referenced by carp_mod_cleanup(), and carp_mod_load().