igmp.h File Reference

#include <linux/skbuff.h>
#include <linux/timer.h>
#include <linux/in.h>
#include <uapi/linux/igmp.h>

Go to the source code of this file.

Data Structures
struct	ip_sf_socklist
struct	ip_mc_socklist
struct	ip_sf_list
struct	ip_mc_list

Macros
#define	IP_SFLSIZE(count)
#define	IP_SFBLOCK   10 /* allocate this many at once */
#define	IGMPV3_MASK(value, nb)   ((nb)>=32 ? (value) : ((1<<(nb))-1) & (value))
#define	IGMPV3_EXP(thresh, nbmant, nbexp, value)
#define	IGMPV3_QQIC(value)   IGMPV3_EXP(0x80, 4, 3, value)
#define	IGMPV3_MRC(value)   IGMPV3_EXP(0x80, 4, 3, value)

Functions
int	ip_check_mc_rcu (struct in_device *dev, __be32 mc_addr, __be32 src_addr, u16 proto)
int	igmp_rcv (struct sk_buff *)
int	ip_mc_join_group (struct sock *sk, struct ip_mreqn *imr)
int	ip_mc_leave_group (struct sock *sk, struct ip_mreqn *imr)
void	ip_mc_drop_socket (struct sock *sk)
int	ip_mc_source (int add, int omode, struct sock *sk, struct ip_mreq_source *mreqs, int ifindex)
int	ip_mc_msfilter (struct sock *sk, struct ip_msfilter *msf, int ifindex)
int	ip_mc_msfget (struct sock *sk, struct ip_msfilter *msf, struct ip_msfilter __user *optval, int __user *optlen)
int	ip_mc_gsfget (struct sock *sk, struct group_filter *gsf, struct group_filter __user *optval, int __user *optlen)
int	ip_mc_sf_allow (struct sock *sk, __be32 local, __be32 rmt, int dif)
void	ip_mc_init_dev (struct in_device *)
void	ip_mc_destroy_dev (struct in_device *)
void	ip_mc_up (struct in_device *)
void	ip_mc_down (struct in_device *)
void	ip_mc_unmap (struct in_device *)
void	ip_mc_remap (struct in_device *)
void	ip_mc_dec_group (struct in_device *in_dev, __be32 addr)
void	ip_mc_inc_group (struct in_device *in_dev, __be32 addr)
void	ip_mc_rejoin_groups (struct in_device *in_dev)

Variables
int	sysctl_igmp_max_memberships
int	sysctl_igmp_max_msf

Macro Definition Documentation

#define IGMPV3_EXP	(		thresh,
			nbmant,
			nbexp,
			value
	)

Value:

((value) < (thresh) ? (value) : \
        ((IGMPV3_MASK(value, nbmant) | (1<<(nbmant))) << \
         (IGMPV3_MASK((value) >> (nbmant), nbexp) + (nbexp))))

Definition at line 102 of file igmp.h.

#define IGMPV3_MASK	(		value,
			nb
	)		((nb)>=32 ? (value) : ((1<<(nb))-1) & (value))

Definition at line 101 of file igmp.h.

#define IGMPV3_MRC

(

value

)

IGMPV3_EXP(0x80, 4, 3, value)

Definition at line 108 of file igmp.h.

#define IGMPV3_QQIC

(

value

)

IGMPV3_EXP(0x80, 4, 3, value)

Definition at line 107 of file igmp.h.

#define IP_SFBLOCK   10 /* allocate this many at once */

Definition at line 53 of file igmp.h.

#define IP_SFLSIZE

(

count

)

Value:

(sizeof(struct ip_sf_socklist) + \
    (count) * sizeof(__be32))

Definition at line 50 of file igmp.h.

Function Documentation

int igmp_rcv

(

struct sk_buff *

)

int ip_check_mc_rcu	(	struct in_device *	dev,
		__be32	mc_addr,
		__be32	src_addr,
		u16	proto
	)

Definition at line 2321 of file igmp.c.

void ip_mc_dec_group	(	struct in_device *	in_dev,
		__be32	addr
	)

Definition at line 1305 of file igmp.c.

void ip_mc_destroy_dev

(

struct in_device *

)

Definition at line 1417 of file igmp.c.

void ip_mc_down

(

struct in_device *

)

Definition at line 1358 of file igmp.c.

void ip_mc_drop_socket

(

struct sock *

sk

)

Definition at line 2295 of file igmp.c.

int ip_mc_gsfget	(	struct sock *	sk,
		struct group_filter *	gsf,
		struct group_filter __user *	optval,
		int __user *	optlen
	)

Definition at line 2192 of file igmp.c.

void ip_mc_inc_group	(	struct in_device *	in_dev,
		__be32	addr
	)

Definition at line 1225 of file igmp.c.

void ip_mc_init_dev

(

struct in_device *

)

Definition at line 1380 of file igmp.c.

int ip_mc_join_group	(	struct sock *	sk,
		struct ip_mreqn *	imr
	)

Definition at line 1788 of file igmp.c.

int ip_mc_leave_group	(	struct sock *	sk,
		struct ip_mreqn *	imr
	)

Definition at line 1864 of file igmp.c.

int ip_mc_msfget	(	struct sock *	sk,
		struct ip_msfilter *	msf,
		struct ip_msfilter __user *	optval,
		int __user *	optlen
	)

Definition at line 2132 of file igmp.c.

int ip_mc_msfilter	(	struct sock *	sk,
		struct ip_msfilter *	msf,
		int	ifindex
	)

Definition at line 2046 of file igmp.c.

void ip_mc_rejoin_groups

(

struct in_device *

in_dev

)

Definition at line 1276 of file igmp.c.

void ip_mc_remap

(

struct in_device *

)

Definition at line 1346 of file igmp.c.

int ip_mc_sf_allow	(	struct sock *	sk,
		__be32	local,
		__be32	rmt,
		int	dif
	)

Definition at line 2249 of file igmp.c.

int ip_mc_source	(	int	add,
		int	omode,
		struct sock *	sk,
		struct ip_mreq_source *	mreqs,
		int	ifindex
	)

Definition at line 1909 of file igmp.c.

void ip_mc_unmap

(

struct in_device *

)

Definition at line 1336 of file igmp.c.

void ip_mc_up

(

struct in_device *

)

Definition at line 1401 of file igmp.c.

Variable Documentation

int sysctl_igmp_max_memberships

int sysctl_igmp_max_msf