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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 /* Copyright (c) 1990 Mentat Inc. */
     26 
     27 #ifndef	_INET_IP_MULTI_H
     28 #define	_INET_IP_MULTI_H
     29 
     30 #ifdef	__cplusplus
     31 extern "C" {
     32 #endif
     33 
     34 #if defined(_KERNEL)
     35 
     36 #define	INFINITY	0xffffffffU
     37 /*
     38  * Enum used to pass ilg status to ip_addmulti() and friends. There
     39  * are three possibilities: the group is being joined from within ip,
     40  * in which case there is no associated ilg; the group is being joined
     41  * from an upper layer with an associated ilg that's been newly created
     42  * by this join; or the upper layer is changing its group membership
     43  * state (the ilg existed before this call).
     44  */
     45 typedef enum {
     46 	ILGSTAT_NONE,
     47 	ILGSTAT_NEW,
     48 	ILGSTAT_CHANGE
     49 } ilg_stat_t;
     50 
     51 /*
     52  * Extern functions
     53  */
     54 extern	mblk_t		*igmp_input(mblk_t *, ip_recv_attr_t *);
     55 extern	void		igmp_joingroup(ilm_t *);
     56 extern	void		igmp_leavegroup(ilm_t *);
     57 extern	void		igmp_slowtimo(void *);
     58 extern	void		igmp_timeout_handler(void *);
     59 extern	void		igmp_statechange(ilm_t *, mcast_record_t, slist_t *);
     60 
     61 extern	void		mld_joingroup(ilm_t *);
     62 extern	void		mld_leavegroup(ilm_t *);
     63 extern	void		mld_statechange(ilm_t *, mcast_record_t, slist_t *);
     64 extern	void		mld_slowtimo(void *);
     65 
     66 extern	void		ilg_delete_all(conn_t *connp);
     67 extern	boolean_t	conn_hasmembers_ill_withsrc_v4(conn_t *, ipaddr_t,
     68     ipaddr_t, ill_t *);
     69 extern	boolean_t	conn_hasmembers_ill_withsrc_v6(conn_t *,
     70     const in6_addr_t *, const in6_addr_t *, ill_t *);
     71 
     72 extern void		ill_leave_multicast(ill_t *);
     73 extern void		ill_recover_multicast(ill_t *);
     74 extern void		ip_dlur_to_mhi(ill_t *, mblk_t *,
     75     struct mac_header_info_s *);
     76 
     77 /* These make up the data path interface used by ip_output and ip_input */
     78 extern boolean_t	ill_hasmembers_v4(ill_t *, ipaddr_t);
     79 extern boolean_t	ill_hasmembers_v6(ill_t *, const in6_addr_t *);
     80 extern boolean_t	ill_hasmembers_otherzones_v4(ill_t *, ipaddr_t,
     81     zoneid_t);
     82 extern boolean_t	ill_hasmembers_otherzones_v6(ill_t *,
     83     const in6_addr_t *, zoneid_t);
     84 extern zoneid_t		ill_hasmembers_nextzone_v4(ill_t *, ipaddr_t, zoneid_t);
     85 extern zoneid_t		ill_hasmembers_nextzone_v6(ill_t *, const in6_addr_t *,
     86     zoneid_t);
     87 
     88 extern	ilm_t		*ip_addmulti(const in6_addr_t *, ill_t *, zoneid_t,
     89     int *);
     90 extern	int		ip_delmulti(ilm_t *);
     91 extern	int		ip_mforward(mblk_t *, ip_recv_attr_t *);
     92 extern	void		ip_mroute_decap(mblk_t *, ip_recv_attr_t *);
     93 extern	int		ill_join_allmulti(ill_t *);
     94 extern	void		ill_leave_allmulti(ill_t *);
     95 extern	int		ip_join_allmulti(uint_t, boolean_t, ip_stack_t *);
     96 extern	int		ip_leave_allmulti(uint_t, boolean_t, ip_stack_t *);
     97 extern	void		ip_purge_allmulti(ill_t *);
     98 extern	int		ip_mroute_mrt(mblk_t *, ip_stack_t *);
     99 extern	int		ip_mroute_stats(mblk_t *, ip_stack_t *);
    100 extern	int		ip_mroute_vif(mblk_t *, ip_stack_t *);
    101 extern	int		ip_mrouter_done(ip_stack_t *);
    102 extern	int		ip_mrouter_get(int, conn_t *, uchar_t *);
    103 extern	int		ip_mrouter_set(int, conn_t *, int, uchar_t *, int);
    104 extern	void		ip_mrouter_stack_init(ip_stack_t *);
    105 extern	void		ip_mrouter_stack_destroy(ip_stack_t *);
    106 
    107 extern	int		ip_opt_add_group(conn_t *, boolean_t,
    108     const in6_addr_t *, ipaddr_t, uint_t, mcast_record_t, const in6_addr_t *);
    109 extern	int		ip_opt_delete_group(conn_t *, boolean_t,
    110     const in6_addr_t *, ipaddr_t, uint_t, mcast_record_t, const in6_addr_t *);
    111 
    112 extern  int		mrt_ioctl(ipif_t *, sin_t *, queue_t *, mblk_t *,
    113     ip_ioctl_cmd_t *, void *);
    114 extern	int		ip_sioctl_msfilter(ipif_t *, sin_t *, queue_t *,
    115     mblk_t *, ip_ioctl_cmd_t *, void *);
    116 extern	int		ip_copyin_msfilter(queue_t *, mblk_t *);
    117 
    118 extern	mblk_t		*pim_input(mblk_t *, ip_recv_attr_t *);
    119 extern	void		update_conn_ill(ill_t *, ip_stack_t *);
    120 extern	void		reset_mrt_ill(ill_t *);
    121 extern	void		reset_mrt_vif_ipif(ipif_t *);
    122 extern	void		igmp_start_timers(unsigned, ip_stack_t *);
    123 extern	void		mld_start_timers(unsigned, ip_stack_t *);
    124 extern	void		ilm_inactive(ilm_t *);
    125 
    126 #endif /* _KERNEL */
    127 
    128 #ifdef	__cplusplus
    129 }
    130 #endif
    131 
    132 #endif	/* _INET_IP_MULTI_H */
    133