2,3c2
< * Copyright (C) 1998 WIDE Project.
< * All rights reserved.
---
> * Copyright (c) 2009 Bruce Simpson.
13,15c12,14
< * 3. Neither the name of the project nor the names of its contributors
< * may be used to endorse or promote products derived from this software
< * without specific prior written permission.
---
> * 3. The name of the author may not be used to endorse or promote
> * products derived from this software without specific prior written
> * permission.
17c16
< * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
---
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20c19
< * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
---
> * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
29,30c28
< * $KAME: mld6_var.h,v 1.4 2000/03/25 07:23:54 sumikawa Exp $
< * $FreeBSD: head/sys/netinet6/mld6_var.h 174510 2007-12-10 16:03:40Z obrien $
---
> * $FreeBSD: head/sys/netinet6/mld6_var.h 191672 2009-04-29 19:19:13Z bms $
32d29
<
35a33,37
> /*
> * Multicast Listener Discovery (MLD)
> * implementation-specific definitions.
> */
>
38c40,57
< #define MLD_RANDOM_DELAY(X) (arc4random() % (X) + 1)
---
> /*
> * Per-link MLD state.
> */
> struct mld_ifinfo {
> LIST_ENTRY(mld_ifinfo) mli_link;
> struct ifnet *mli_ifp; /* interface this instance belongs to */
> uint32_t mli_version; /* MLDv1 Host Compatibility Mode */
> uint32_t mli_v1_timer; /* MLDv1 Querier Present timer (s) */
> uint32_t mli_v2_timer; /* MLDv2 General Query (interface) timer (s)*/
> uint32_t mli_flags; /* MLD per-interface flags */
> uint32_t mli_rv; /* MLDv2 Robustness Variable */
> uint32_t mli_qi; /* MLDv2 Query Interval (s) */
> uint32_t mli_qri; /* MLDv2 Query Response Interval (s) */
> uint32_t mli_uri; /* MLDv2 Unsolicited Report Interval (s) */
> SLIST_HEAD(,in6_multi) mli_relinmhead; /* released groups */
> struct ifqueue mli_gq; /* queue of general query responses */
> };
> #define MLIF_SILENT 0x00000001 /* Do not use MLD on this ifp */
39a59,61
> #define MLD_RANDOM_DELAY(X) (arc4random() % (X) + 1)
> #define MLD_MAX_STATE_CHANGES 24 /* Max pending changes per group */
>
41c63
< * States for MLD stop-listening processing
---
> * MLD per-group states.
43,45c65,75
< #define MLD_OTHERLISTENER 0
< #define MLD_IREPORTEDLAST 1
< #define MLD_REPORTPENDING 2 /* implementation specific */
---
> #define MLD_NOT_MEMBER 0 /* Can garbage collect group */
> #define MLD_SILENT_MEMBER 1 /* Do not perform MLD for group */
> #define MLD_REPORTING_MEMBER 2 /* MLDv1 we are reporter */
> #define MLD_IDLE_MEMBER 3 /* MLDv1 we reported last */
> #define MLD_LAZY_MEMBER 4 /* MLDv1 other member reporting */
> #define MLD_SLEEPING_MEMBER 5 /* MLDv1 start query response */
> #define MLD_AWAKENING_MEMBER 6 /* MLDv1 group timer will start */
> #define MLD_G_QUERY_PENDING_MEMBER 7 /* MLDv2 group query pending */
> #define MLD_SG_QUERY_PENDING_MEMBER 8 /* MLDv2 source query pending */
> #define MLD_LEAVING_MEMBER 9 /* MLDv2 dying gasp (pending last */
> /* retransmission of INCLUDE {}) */
47,51c77,160
< void mld6_init(void);
< void mld6_input(struct mbuf *, int);
< void mld6_start_listening(struct in6_multi *);
< void mld6_stop_listening(struct in6_multi *);
< void mld6_fasttimeo(void);
---
> /*
> * MLD version tag.
> */
> #define MLD_VERSION_NONE 0 /* Invalid */
> #define MLD_VERSION_1 1
> #define MLD_VERSION_2 2 /* Default */
>
> /*
> * MLDv2 protocol control variables.
> */
> #define MLD_RV_INIT 2 /* Robustness Variable */
> #define MLD_RV_MIN 1
> #define MLD_RV_MAX 7
>
> #define MLD_QI_INIT 125 /* Query Interval (s) */
> #define MLD_QI_MIN 1
> #define MLD_QI_MAX 255
>
> #define MLD_QRI_INIT 10 /* Query Response Interval (s) */
> #define MLD_QRI_MIN 1
> #define MLD_QRI_MAX 255
>
> #define MLD_URI_INIT 3 /* Unsolicited Report Interval (s) */
> #define MLD_URI_MIN 0
> #define MLD_URI_MAX 10
>
> #define MLD_MAX_GS_SOURCES 256 /* # of sources in rx GS query */
> #define MLD_MAX_G_GS_PACKETS 8 /* # of packets to answer G/GS */
> #define MLD_MAX_STATE_CHANGE_PACKETS 8 /* # of packets per state change */
> #define MLD_MAX_RESPONSE_PACKETS 16 /* # of packets for general query */
> #define MLD_MAX_RESPONSE_BURST 4 /* # of responses to send at once */
> #define MLD_RESPONSE_BURST_INTERVAL (PR_FASTHZ / 2) /* 500ms */
>
> /*
> * MLD-specific mbuf flags.
> */
> #define M_MLDV1 M_PROTO1 /* Packet is MLDv1 */
> #define M_GROUPREC M_PROTO3 /* mbuf chain is a group record */
>
> /*
> * Leading space for MLDv2 reports inside MTU.
> *
> * NOTE: This differs from IGMPv3 significantly. KAME IPv6 requires
> * that a fully formed mbuf chain *without* the Router Alert option
> * is passed to ip6_output(), however we must account for it in the
> * MTU if we need to split an MLDv2 report into several packets.
> *
> * We now put the MLDv2 report header in the initial mbuf containing
> * the IPv6 header.
> */
> #define MLD_MTUSPACE (sizeof(struct ip6_hdr) + sizeof(struct mld_raopt) + \
> sizeof(struct icmp6_hdr))
>
> /*
> * Subsystem lock macros.
> * The MLD lock is only taken with MLD. Currently it is system-wide.
> * VIMAGE: The lock could be pushed to per-VIMAGE granularity in future.
> */
> #define MLD_LOCK_INIT() mtx_init(&mld_mtx, "mld_mtx", NULL, MTX_DEF)
> #define MLD_LOCK_DESTROY() mtx_destroy(&mld_mtx)
> #define MLD_LOCK() mtx_lock(&mld_mtx)
> #define MLD_LOCK_ASSERT() mtx_assert(&mld_mtx, MA_OWNED)
> #define MLD_UNLOCK() mtx_unlock(&mld_mtx)
> #define MLD_UNLOCK_ASSERT() mtx_assert(&mld_mtx, MA_NOTOWNED)
>
> /*
> * Per-link MLD context.
> */
> #define MLD_IFINFO(ifp) \
> (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->mld_ifinfo)
>
> int mld_change_state(struct in6_multi *, const int);
> struct mld_ifinfo *
> mld_domifattach(struct ifnet *);
> void mld_domifdetach(struct ifnet *);
> void mld_fasttimo(void);
> void mld_ifdetach(struct ifnet *);
> int mld_input(struct mbuf *, int, int);
> void mld_slowtimo(void);
>
> #ifdef SYSCTL_DECL
> SYSCTL_DECL(_net_inet6_mld);
> #endif
>
< * Copyright (C) 1998 WIDE Project.
< * All rights reserved.
---
> * Copyright (c) 2009 Bruce Simpson.
13,15c12,14
< * 3. Neither the name of the project nor the names of its contributors
< * may be used to endorse or promote products derived from this software
< * without specific prior written permission.
---
> * 3. The name of the author may not be used to endorse or promote
> * products derived from this software without specific prior written
> * permission.
17c16
< * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
---
> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20c19
< * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
---
> * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
29,30c28
< * $KAME: mld6_var.h,v 1.4 2000/03/25 07:23:54 sumikawa Exp $
< * $FreeBSD: head/sys/netinet6/mld6_var.h 174510 2007-12-10 16:03:40Z obrien $
---
> * $FreeBSD: head/sys/netinet6/mld6_var.h 191672 2009-04-29 19:19:13Z bms $
32d29
<
35a33,37
> /*
> * Multicast Listener Discovery (MLD)
> * implementation-specific definitions.
> */
>
38c40,57
< #define MLD_RANDOM_DELAY(X) (arc4random() % (X) + 1)
---
> /*
> * Per-link MLD state.
> */
> struct mld_ifinfo {
> LIST_ENTRY(mld_ifinfo) mli_link;
> struct ifnet *mli_ifp; /* interface this instance belongs to */
> uint32_t mli_version; /* MLDv1 Host Compatibility Mode */
> uint32_t mli_v1_timer; /* MLDv1 Querier Present timer (s) */
> uint32_t mli_v2_timer; /* MLDv2 General Query (interface) timer (s)*/
> uint32_t mli_flags; /* MLD per-interface flags */
> uint32_t mli_rv; /* MLDv2 Robustness Variable */
> uint32_t mli_qi; /* MLDv2 Query Interval (s) */
> uint32_t mli_qri; /* MLDv2 Query Response Interval (s) */
> uint32_t mli_uri; /* MLDv2 Unsolicited Report Interval (s) */
> SLIST_HEAD(,in6_multi) mli_relinmhead; /* released groups */
> struct ifqueue mli_gq; /* queue of general query responses */
> };
> #define MLIF_SILENT 0x00000001 /* Do not use MLD on this ifp */
39a59,61
> #define MLD_RANDOM_DELAY(X) (arc4random() % (X) + 1)
> #define MLD_MAX_STATE_CHANGES 24 /* Max pending changes per group */
>
41c63
< * States for MLD stop-listening processing
---
> * MLD per-group states.
43,45c65,75
< #define MLD_OTHERLISTENER 0
< #define MLD_IREPORTEDLAST 1
< #define MLD_REPORTPENDING 2 /* implementation specific */
---
> #define MLD_NOT_MEMBER 0 /* Can garbage collect group */
> #define MLD_SILENT_MEMBER 1 /* Do not perform MLD for group */
> #define MLD_REPORTING_MEMBER 2 /* MLDv1 we are reporter */
> #define MLD_IDLE_MEMBER 3 /* MLDv1 we reported last */
> #define MLD_LAZY_MEMBER 4 /* MLDv1 other member reporting */
> #define MLD_SLEEPING_MEMBER 5 /* MLDv1 start query response */
> #define MLD_AWAKENING_MEMBER 6 /* MLDv1 group timer will start */
> #define MLD_G_QUERY_PENDING_MEMBER 7 /* MLDv2 group query pending */
> #define MLD_SG_QUERY_PENDING_MEMBER 8 /* MLDv2 source query pending */
> #define MLD_LEAVING_MEMBER 9 /* MLDv2 dying gasp (pending last */
> /* retransmission of INCLUDE {}) */
47,51c77,160
< void mld6_init(void);
< void mld6_input(struct mbuf *, int);
< void mld6_start_listening(struct in6_multi *);
< void mld6_stop_listening(struct in6_multi *);
< void mld6_fasttimeo(void);
---
> /*
> * MLD version tag.
> */
> #define MLD_VERSION_NONE 0 /* Invalid */
> #define MLD_VERSION_1 1
> #define MLD_VERSION_2 2 /* Default */
>
> /*
> * MLDv2 protocol control variables.
> */
> #define MLD_RV_INIT 2 /* Robustness Variable */
> #define MLD_RV_MIN 1
> #define MLD_RV_MAX 7
>
> #define MLD_QI_INIT 125 /* Query Interval (s) */
> #define MLD_QI_MIN 1
> #define MLD_QI_MAX 255
>
> #define MLD_QRI_INIT 10 /* Query Response Interval (s) */
> #define MLD_QRI_MIN 1
> #define MLD_QRI_MAX 255
>
> #define MLD_URI_INIT 3 /* Unsolicited Report Interval (s) */
> #define MLD_URI_MIN 0
> #define MLD_URI_MAX 10
>
> #define MLD_MAX_GS_SOURCES 256 /* # of sources in rx GS query */
> #define MLD_MAX_G_GS_PACKETS 8 /* # of packets to answer G/GS */
> #define MLD_MAX_STATE_CHANGE_PACKETS 8 /* # of packets per state change */
> #define MLD_MAX_RESPONSE_PACKETS 16 /* # of packets for general query */
> #define MLD_MAX_RESPONSE_BURST 4 /* # of responses to send at once */
> #define MLD_RESPONSE_BURST_INTERVAL (PR_FASTHZ / 2) /* 500ms */
>
> /*
> * MLD-specific mbuf flags.
> */
> #define M_MLDV1 M_PROTO1 /* Packet is MLDv1 */
> #define M_GROUPREC M_PROTO3 /* mbuf chain is a group record */
>
> /*
> * Leading space for MLDv2 reports inside MTU.
> *
> * NOTE: This differs from IGMPv3 significantly. KAME IPv6 requires
> * that a fully formed mbuf chain *without* the Router Alert option
> * is passed to ip6_output(), however we must account for it in the
> * MTU if we need to split an MLDv2 report into several packets.
> *
> * We now put the MLDv2 report header in the initial mbuf containing
> * the IPv6 header.
> */
> #define MLD_MTUSPACE (sizeof(struct ip6_hdr) + sizeof(struct mld_raopt) + \
> sizeof(struct icmp6_hdr))
>
> /*
> * Subsystem lock macros.
> * The MLD lock is only taken with MLD. Currently it is system-wide.
> * VIMAGE: The lock could be pushed to per-VIMAGE granularity in future.
> */
> #define MLD_LOCK_INIT() mtx_init(&mld_mtx, "mld_mtx", NULL, MTX_DEF)
> #define MLD_LOCK_DESTROY() mtx_destroy(&mld_mtx)
> #define MLD_LOCK() mtx_lock(&mld_mtx)
> #define MLD_LOCK_ASSERT() mtx_assert(&mld_mtx, MA_OWNED)
> #define MLD_UNLOCK() mtx_unlock(&mld_mtx)
> #define MLD_UNLOCK_ASSERT() mtx_assert(&mld_mtx, MA_NOTOWNED)
>
> /*
> * Per-link MLD context.
> */
> #define MLD_IFINFO(ifp) \
> (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->mld_ifinfo)
>
> int mld_change_state(struct in6_multi *, const int);
> struct mld_ifinfo *
> mld_domifattach(struct ifnet *);
> void mld_domifdetach(struct ifnet *);
> void mld_fasttimo(void);
> void mld_ifdetach(struct ifnet *);
> int mld_input(struct mbuf *, int, int);
> void mld_slowtimo(void);
>
> #ifdef SYSCTL_DECL
> SYSCTL_DECL(_net_inet6_mld);
> #endif
>