diff options
Diffstat (limited to 'rtems/freebsd/netinet/igmp_var.h')
| -rw-r--r-- | rtems/freebsd/netinet/igmp_var.h | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/rtems/freebsd/netinet/igmp_var.h b/rtems/freebsd/netinet/igmp_var.h new file mode 100644 index 00000000..e1abe6ab --- /dev/null +++ b/rtems/freebsd/netinet/igmp_var.h @@ -0,0 +1,225 @@ +/*-a + * Copyright (c) 1988 Stephen Deering. + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Stephen Deering of Stanford University. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)igmp_var.h 8.1 (Berkeley) 7/19/93 + * $FreeBSD$ + */ + +#ifndef _NETINET_IGMP_VAR_HH_ +#define _NETINET_IGMP_VAR_HH_ + +/* + * Internet Group Management Protocol (IGMP), + * implementation-specific definitions. + * + * Written by Steve Deering, Stanford, May 1988. + * + * MULTICAST Revision: 3.5.1.3 + */ + +#ifndef BURN_BRIDGES +/* + * Pre-IGMPV3 igmpstat structure. + */ +struct oigmpstat { + u_int igps_rcv_total; /* total IGMP messages received */ + u_int igps_rcv_tooshort; /* received with too few bytes */ + u_int igps_rcv_badsum; /* received with bad checksum */ + u_int igps_rcv_queries; /* received membership queries */ + u_int igps_rcv_badqueries; /* received invalid queries */ + u_int igps_rcv_reports; /* received membership reports */ + u_int igps_rcv_badreports; /* received invalid reports */ + u_int igps_rcv_ourreports; /* received reports for our groups */ + u_int igps_snd_reports; /* sent membership reports */ + u_int igps_rcv_toolong; /* received with too many bytes */ +}; +#endif + +/* + * IGMPv3 protocol statistics. + */ +struct igmpstat { + /* + * Structure header (to insulate ABI changes). + */ + uint32_t igps_version; /* version of this structure */ + uint32_t igps_len; /* length of this structure */ + /* + * Message statistics. + */ + uint64_t igps_rcv_total; /* total IGMP messages received */ + uint64_t igps_rcv_tooshort; /* received with too few bytes */ + uint64_t igps_rcv_badttl; /* received with ttl other than 1 */ + uint64_t igps_rcv_badsum; /* received with bad checksum */ + /* + * Query statistics. + */ + uint64_t igps_rcv_v1v2_queries; /* received IGMPv1/IGMPv2 queries */ + uint64_t igps_rcv_v3_queries; /* received IGMPv3 queries */ + uint64_t igps_rcv_badqueries; /* received invalid queries */ + uint64_t igps_rcv_gen_queries; /* received general queries */ + uint64_t igps_rcv_group_queries;/* received group queries */ + uint64_t igps_rcv_gsr_queries; /* received group-source queries */ + uint64_t igps_drop_gsr_queries; /* dropped group-source queries */ + /* + * Report statistics. + */ + uint64_t igps_rcv_reports; /* received membership reports */ + uint64_t igps_rcv_badreports; /* received invalid reports */ + uint64_t igps_rcv_ourreports; /* received reports for our groups */ + uint64_t igps_rcv_nora; /* received w/o Router Alert option */ + uint64_t igps_snd_reports; /* sent membership reports */ + /* + * Padding for future additions. + */ + uint64_t __igps_pad[4]; +}; +#define IGPS_VERSION_3 3 /* as of FreeBSD 8.x */ +#define IGPS_VERSION3_LEN 168 + +#ifdef _KERNEL +#define IGMPSTAT_ADD(name, val) V_igmpstat.name += (val) +#define IGMPSTAT_INC(name) IGMPSTAT_ADD(name, 1) +#endif + +#ifdef CTASSERT +CTASSERT(sizeof(struct igmpstat) == 168); +#endif + +#ifdef _KERNEL +#define IGMP_RANDOM_DELAY(X) (random() % (X) + 1) + +#define IGMP_MAX_STATE_CHANGES 24 /* Max pending changes per group */ + +/* + * IGMP per-group states. + */ +#define IGMP_NOT_MEMBER 0 /* Can garbage collect in_multi */ +#define IGMP_SILENT_MEMBER 1 /* Do not perform IGMP for group */ +#define IGMP_REPORTING_MEMBER 2 /* IGMPv1/2/3 we are reporter */ +#define IGMP_IDLE_MEMBER 3 /* IGMPv1/2 we reported last */ +#define IGMP_LAZY_MEMBER 4 /* IGMPv1/2 other member reporting */ +#define IGMP_SLEEPING_MEMBER 5 /* IGMPv1/2 start query response */ +#define IGMP_AWAKENING_MEMBER 6 /* IGMPv1/2 group timer will start */ +#define IGMP_G_QUERY_PENDING_MEMBER 7 /* IGMPv3 group query pending */ +#define IGMP_SG_QUERY_PENDING_MEMBER 8 /* IGMPv3 source query pending */ +#define IGMP_LEAVING_MEMBER 9 /* IGMPv3 dying gasp (pending last */ + /* retransmission of INCLUDE {}) */ + +/* + * IGMP version tag. + */ +#define IGMP_VERSION_NONE 0 /* Invalid */ +#define IGMP_VERSION_1 1 +#define IGMP_VERSION_2 2 +#define IGMP_VERSION_3 3 /* Default */ + +/* + * IGMPv3 protocol control variables. + */ +#define IGMP_RV_INIT 2 /* Robustness Variable */ +#define IGMP_RV_MIN 1 +#define IGMP_RV_MAX 7 + +#define IGMP_QI_INIT 125 /* Query Interval (s) */ +#define IGMP_QI_MIN 1 +#define IGMP_QI_MAX 255 + +#define IGMP_QRI_INIT 10 /* Query Response Interval (s) */ +#define IGMP_QRI_MIN 1 +#define IGMP_QRI_MAX 255 + +#define IGMP_URI_INIT 3 /* Unsolicited Report Interval (s) */ +#define IGMP_URI_MIN 0 +#define IGMP_URI_MAX 10 + +#define IGMP_MAX_G_GS_PACKETS 8 /* # of packets to answer G/GS */ +#define IGMP_MAX_STATE_CHANGE_PACKETS 8 /* # of packets per state change */ +#define IGMP_MAX_RESPONSE_PACKETS 16 /* # of packets for general query */ +#define IGMP_MAX_RESPONSE_BURST 4 /* # of responses to send at once */ +#define IGMP_RESPONSE_BURST_INTERVAL (PR_FASTHZ / 2) /* 500ms */ + +/* + * IGMP-specific mbuf flags. + */ +#define M_IGMPV2 M_PROTO1 /* Packet is IGMPv2 */ +#define M_IGMPV3_HDR M_PROTO2 /* Packet has IGMPv3 headers */ +#define M_GROUPREC M_PROTO3 /* mbuf chain is a group record */ +#define M_IGMP_LOOP M_PROTO4 /* transmit on loif, not real ifp */ + +/* + * Default amount of leading space for IGMPv3 to allocate at the + * beginning of its mbuf packet chains, to avoid fragmentation and + * unnecessary allocation of leading mbufs. + */ +#define RAOPT_LEN 4 /* Length of IP Router Alert option */ +#define IGMP_LEADINGSPACE \ + (sizeof(struct ip) + RAOPT_LEN + sizeof(struct igmp_report)) + +/* + * Subsystem lock macros. + * The IGMP lock is only taken with IGMP. Currently it is system-wide. + * VIMAGE: The lock could be pushed to per-VIMAGE granularity in future. + */ +#define IGMP_LOCK_INIT() mtx_init(&igmp_mtx, "igmp_mtx", NULL, MTX_DEF) +#define IGMP_LOCK_DESTROY() mtx_destroy(&igmp_mtx) +#define IGMP_LOCK() mtx_lock(&igmp_mtx) +#define IGMP_LOCK_ASSERT() mtx_assert(&igmp_mtx, MA_OWNED) +#define IGMP_UNLOCK() mtx_unlock(&igmp_mtx) +#define IGMP_UNLOCK_ASSERT() mtx_assert(&igmp_mtx, MA_NOTOWNED) + +struct igmp_ifinfo; + +int igmp_change_state(struct in_multi *); +void igmp_fasttimo(void); +struct igmp_ifinfo * + igmp_domifattach(struct ifnet *); +void igmp_domifdetach(struct ifnet *); +void igmp_ifdetach(struct ifnet *); +void igmp_input(struct mbuf *, int); +void igmp_slowtimo(void); + +SYSCTL_DECL(_net_inet_igmp); + +#endif /* _KERNEL */ + +/* + * Names for IGMP sysctl objects + */ +#define IGMPCTL_STATS 1 /* statistics (read-only) */ +#define IGMPCTL_MAXID 2 + +#define IGMPCTL_NAMES { \ + { 0, 0 }, \ + { "stats", CTLTYPE_STRUCT } \ +} +#endif |