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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 2008 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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 #if defined(_KERNEL)
     37 
     38 #define	INFINITY	0xffffffffU
     39 /*
     40  * Enum used to pass ilg status to ip_addmulti() and friends. There
     41  * are three possibilities: the group is being joined from within ip,
     42  * in which case there is no associated ilg; the group is being joined
     43  * from an upper layer with an associated ilg that's been newly created
     44  * by this join; or the upper layer is changing its group membership
     45  * state (the ilg existed before this call).
     46  */
     47 typedef enum {
     48 	ILGSTAT_NONE,
     49 	ILGSTAT_NEW,
     50 	ILGSTAT_CHANGE
     51 } ilg_stat_t;
     52 
     53 /*
     54  * Extern functions
     55  */
     56 extern	mblk_t		*igmp_input(queue_t *, mblk_t *, ill_t *);
     57 extern	void		igmp_joingroup(ilm_t *);
     58 extern	void		igmp_leavegroup(ilm_t *);
     59 extern	void		igmp_slowtimo(void *);
     60 extern	void		igmp_timeout_handler(void *);
     61 extern	void		igmp_statechange(ilm_t *, mcast_record_t, slist_t *);
     62 
     63 extern	void		mld_joingroup(ilm_t *);
     64 extern	void		mld_leavegroup(ilm_t *);
     65 extern	void		mld_statechange(ilm_t *, mcast_record_t, slist_t *);
     66 extern	void		mld_slowtimo(void *);
     67 
     68 extern	void		ilg_delete_all(conn_t *connp);
     69 extern	ilg_t		*ilg_lookup_ill_v6(conn_t *, const in6_addr_t *,
     70     ill_t *);
     71 extern	ilg_t		*ilg_lookup_ill_withsrc(conn_t *, ipaddr_t, ipaddr_t,
     72     ill_t *);
     73 extern	ilg_t		*ilg_lookup_ill_withsrc_v6(conn_t *, const in6_addr_t *,
     74     const in6_addr_t *, ill_t *);
     75 
     76 extern void		ill_leave_multicast(ill_t *);
     77 extern void		ill_recover_multicast(ill_t *);
     78 extern int		ip_get_dlpi_mbcast(ill_t *, mblk_t *);
     79 
     80 extern	void		ilm_free(ipif_t *);
     81 extern	ilm_t		*ilm_lookup_ill(ill_t *, ipaddr_t, zoneid_t);
     82 extern	ilm_t		*ilm_lookup_ill_v6(ill_t *, const in6_addr_t *,
     83     zoneid_t);
     84 extern	ilm_t		*ilm_lookup_ill_index_v6(ill_t *, const in6_addr_t *,
     85     int, zoneid_t);
     86 extern	ilm_t		*ilm_lookup_ipif(ipif_t *, ipaddr_t);
     87 
     88 extern int		ilm_numentries_v6(ill_t *, const in6_addr_t *);
     89 extern int		ilm_walk_ipif(ipif_t *);
     90 extern int		ilm_walk_ill(ill_t *);
     91 extern void		ilm_walker_cleanup(ill_t *);
     92 extern int		ip_ll_send_disabmulti_req(ill_t *, const in6_addr_t *);
     93 extern int		ip_ll_send_enabmulti_req(ill_t *, const in6_addr_t *);
     94 
     95 extern	int		ip_addmulti(ipaddr_t, ipif_t *, ilg_stat_t,
     96     mcast_record_t, slist_t *);
     97 extern	int		ip_addmulti_v6(const in6_addr_t *, ill_t *, int,
     98     zoneid_t, ilg_stat_t, mcast_record_t, slist_t *);
     99 extern	int		ip_delmulti(ipaddr_t, ipif_t *, boolean_t, boolean_t);
    100 extern	int		ip_delmulti_v6(const in6_addr_t *, ill_t *, int,
    101     zoneid_t, boolean_t, boolean_t);
    102 extern	int		ip_join_allmulti(ipif_t *);
    103 extern	int		ip_leave_allmulti(ipif_t *);
    104 extern	void		ip_multicast_loopback(queue_t *, ill_t *, mblk_t *,
    105     int, zoneid_t);
    106 extern	int		ip_mforward(ill_t *, ipha_t *, mblk_t *);
    107 extern	void		ip_mroute_decap(queue_t *, mblk_t *, ill_t *);
    108 extern	int		ip_mroute_mrt(mblk_t *, ip_stack_t *);
    109 extern	int		ip_mroute_stats(mblk_t *, ip_stack_t *);
    110 extern	int		ip_mroute_vif(mblk_t *, ip_stack_t *);
    111 extern	int		ip_mrouter_done(mblk_t *, ip_stack_t *);
    112 extern	int		ip_mrouter_get(int, queue_t *, uchar_t *);
    113 extern	int		ip_mrouter_set(int, queue_t *, int, uchar_t *, int,
    114     mblk_t *);
    115 extern	void		ip_mrouter_stack_init(ip_stack_t *);
    116 extern	void		ip_mrouter_stack_destroy(ip_stack_t *);
    117 
    118 extern	int		ip_opt_add_group(conn_t *, boolean_t, ipaddr_t,
    119     ipaddr_t, uint_t *, mcast_record_t, ipaddr_t, mblk_t *);
    120 extern	int		ip_opt_delete_group(conn_t *, boolean_t, ipaddr_t,
    121     ipaddr_t, uint_t *, mcast_record_t, ipaddr_t, mblk_t *);
    122 extern	int		ip_opt_add_group_v6(conn_t *, boolean_t,
    123     const in6_addr_t *, int, mcast_record_t, const in6_addr_t *, mblk_t *);
    124 extern	int		ip_opt_delete_group_v6(conn_t *, boolean_t,
    125     const in6_addr_t *, int, mcast_record_t, const in6_addr_t *, mblk_t *);
    126 
    127 extern  int		mrt_ioctl(ipif_t *, sin_t *, queue_t *, mblk_t *,
    128     ip_ioctl_cmd_t *, void *);
    129 extern	int		ip_sioctl_msfilter(ipif_t *, sin_t *, queue_t *,
    130     mblk_t *, ip_ioctl_cmd_t *, void *);
    131 extern	int		ip_extract_msfilter(queue_t *, mblk_t *,
    132     const ip_ioctl_cmd_t *, cmd_info_t *, ipsq_func_t);
    133 extern	int		ip_copyin_msfilter(queue_t *, mblk_t *);
    134 
    135 extern	void		ip_wput_ctl(queue_t *, mblk_t *);
    136 
    137 extern	int		pim_input(queue_t *, mblk_t *, ill_t *);
    138 extern	void		reset_conn_ipif(ipif_t *);
    139 extern	void		reset_conn_ill(ill_t *);
    140 extern	void		reset_mrt_ill(ill_t *);
    141 extern	void		reset_mrt_vif_ipif(ipif_t *);
    142 extern	void		igmp_start_timers(unsigned, ip_stack_t *);
    143 extern	void		mld_start_timers(unsigned, ip_stack_t *);
    144 extern	void		ilm_inactive(ilm_t *);
    145 
    146 #endif /* _KERNEL */
    147 
    148 #ifdef	__cplusplus
    149 }
    150 #endif
    151 
    152 #endif	/* _INET_IP_MULTI_H */
    153