xref: /illumos-gate/usr/src/uts/common/inet/ip_multi.h (revision bd670b35)
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