* Copyright (c) 2000-2013 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
/*
* Structure header (to insulate ABI changes).
*/
- uint32_t igps_version; /* version of this structure */
- uint32_t igps_len; /* length of this structure */
+ 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 */
+ 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_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 */
+ 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 */
+ 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.
*/
*/
struct igmpstat {
- 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_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 */
};
-#define IGPS_VERSION_3 3
-#define IGPS_VERSION3_LEN 168
+#define IGPS_VERSION_3 3
+#define IGPS_VERSION3_LEN 168
#ifdef PRIVATE
/*
#else
struct igmp_ifinfo_u {
#endif /* XNU_KERNEL_PRIVATE */
- uint32_t igi_ifindex; /* interface this instance belongs to */
- uint32_t igi_version; /* IGMPv3 Host Compatibility Mode */
- uint32_t igi_v1_timer; /* IGMPv1 Querier Present timer (s) */
- uint32_t igi_v2_timer; /* IGMPv2 Querier Present timer (s) */
- uint32_t igi_v3_timer; /* IGMPv3 General Query (interface) timer (s)*/
- uint32_t igi_flags; /* IGMP per-interface flags */
- uint32_t igi_rv; /* IGMPv3 Robustness Variable */
- uint32_t igi_qi; /* IGMPv3 Query Interval (s) */
- uint32_t igi_qri; /* IGMPv3 Query Response Interval (s) */
- uint32_t igi_uri; /* IGMPv3 Unsolicited Report Interval (s) */
+ uint32_t igi_ifindex; /* interface this instance belongs to */
+ uint32_t igi_version; /* IGMPv3 Host Compatibility Mode */
+ uint32_t igi_v1_timer; /* IGMPv1 Querier Present timer (s) */
+ uint32_t igi_v2_timer; /* IGMPv2 Querier Present timer (s) */
+ uint32_t igi_v3_timer; /* IGMPv3 General Query (interface) timer (s)*/
+ uint32_t igi_flags; /* IGMP per-interface flags */
+ uint32_t igi_rv; /* IGMPv3 Robustness Variable */
+ uint32_t igi_qi; /* IGMPv3 Query Interval (s) */
+ uint32_t igi_qri; /* IGMPv3 Query Response Interval (s) */
+ uint32_t igi_uri; /* IGMPv3 Unsolicited Report Interval (s) */
};
-#define IGIF_SILENT 0x00000001 /* Do not use IGMP on this ifp */
-#define IGIF_LOOPBACK 0x00000002 /* Send IGMP reports to loopback */
+#define IGIF_SILENT 0x00000001 /* Do not use IGMP on this ifp */
+#define IGIF_LOOPBACK 0x00000002 /* Send IGMP reports to loopback */
/*
* 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 */
+#define IGMP_VERSION_NONE 0 /* Invalid */
+#define IGMP_VERSION_1 1
+#define IGMP_VERSION_2 2
+#define IGMP_VERSION_3 3 /* Default */
#endif /* PRIVATE */
#ifdef BSD_KERNEL_PRIVATE
#ifdef IGMP_DEBUG
extern int igmp_debug;
-#define IGMP_PRINTF(x) do { if (igmp_debug) printf x; } while (0)
-#define IGMP_INET_PRINTF(addr, x) do { \
- if (igmp_debug) { \
- char _igmp_inet_buf[MAX_IPv4_STR_LEN]; \
- inet_ntop(AF_INET, &(addr), _igmp_inet_buf, \
- sizeof(_igmp_inet_buf)); \
- printf x; \
- } \
+#define IGMP_PRINTF(x) do { if (igmp_debug) printf x; } while (0)
+#define IGMP_INET_PRINTF(addr, x) do { \
+ if (igmp_debug) { \
+ char _igmp_inet_buf[MAX_IPv4_STR_LEN]; \
+ inet_ntop(AF_INET, &(addr), _igmp_inet_buf, \
+ sizeof(_igmp_inet_buf)); \
+ printf x; \
+ } \
} while (0)
#else
-#define IGMP_PRINTF(x)
+#define IGMP_PRINTF(x)
#endif
-#define OIGMPSTAT_ADD(name, val) atomic_add_32(&igmpstat.name , (val))
-#define OIGMPSTAT_INC(name) OIGMPSTAT_ADD(name, 1)
+#define OIGMPSTAT_ADD(name, val) atomic_add_32(&igmpstat.name , (val))
+#define OIGMPSTAT_INC(name) OIGMPSTAT_ADD(name, 1)
-#define IGMPSTAT_ADD(name, val) atomic_add_64(&igmpstat_v3.name , (val))
-#define IGMPSTAT_INC(name) IGMPSTAT_ADD(name, 1)
+#define IGMPSTAT_ADD(name, val) atomic_add_64(&igmpstat_v3.name , (val))
+#define IGMPSTAT_INC(name) IGMPSTAT_ADD(name, 1)
#define IGMP_RANDOM_DELAY(X) (random() % (X) + 1)
-#define IGMP_MAX_STATE_CHANGES 24 /* Max pending changes per group */
+#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 {}) */
+#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 {}) */
/*
* IGMPv3 protocol control variables.
*/
-#define IGMP_RV_INIT 2 /* Robustness Variable */
-#define IGMP_RV_MIN 1
-#define IGMP_RV_MAX 7
+#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_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_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_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 1 /* 1 second */
+#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 1 /* 1 second */
/*
* 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_LOOP /* transmit on loif, not real ifp */
+#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_LOOP /* 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 \
+#define RAOPT_LEN 4 /* Length of IP Router Alert option */
+#define IGMP_LEADINGSPACE \
(sizeof(struct ip) + RAOPT_LEN + sizeof(struct igmp_report))
struct igmp_ifinfo {
decl_lck_mtx_data(, igi_lock);
- uint32_t igi_refcnt; /* reference count */
- uint32_t igi_debug; /* see ifa_debug flags */
+ uint32_t igi_refcnt; /* reference count */
+ uint32_t igi_debug; /* see ifa_debug flags */
LIST_ENTRY(igmp_ifinfo) igi_link;
- struct ifnet *igi_ifp; /* interface this instance belongs to */
- uint32_t igi_version; /* IGMPv3 Host Compatibility Mode */
- uint32_t igi_v1_timer; /* IGMPv1 Querier Present timer (s) */
- uint32_t igi_v2_timer; /* IGMPv2 Querier Present timer (s) */
- uint32_t igi_v3_timer; /* IGMPv3 General Query (interface) timer (s)*/
- uint32_t igi_flags; /* IGMP per-interface flags */
- uint32_t igi_rv; /* IGMPv3 Robustness Variable */
- uint32_t igi_qi; /* IGMPv3 Query Interval (s) */
- uint32_t igi_qri; /* IGMPv3 Query Response Interval (s) */
- uint32_t igi_uri; /* IGMPv3 Unsolicited Report Interval (s) */
- SLIST_HEAD(,in_multi) igi_relinmhead; /* released groups */
- struct ifqueue igi_gq; /* queue of general query responses */
+ struct ifnet *igi_ifp; /* interface this instance belongs to */
+ uint32_t igi_version; /* IGMPv3 Host Compatibility Mode */
+ uint32_t igi_v1_timer; /* IGMPv1 Querier Present timer (s) */
+ uint32_t igi_v2_timer; /* IGMPv2 Querier Present timer (s) */
+ uint32_t igi_v3_timer; /* IGMPv3 General Query (interface) timer (s)*/
+ uint32_t igi_flags; /* IGMP per-interface flags */
+ uint32_t igi_rv; /* IGMPv3 Robustness Variable */
+ uint32_t igi_qi; /* IGMPv3 Query Interval (s) */
+ uint32_t igi_qri; /* IGMPv3 Query Response Interval (s) */
+ uint32_t igi_uri; /* IGMPv3 Unsolicited Report Interval (s) */
+ SLIST_HEAD(, in_multi) igi_relinmhead; /* released groups */
+ struct ifqueue igi_gq; /* queue of general query responses */
struct ifqueue igi_v2q; /* queue of v1/v2 packets */
};
-#define IGI_LOCK_ASSERT_HELD(_igi) \
+#define IGI_LOCK_ASSERT_HELD(_igi) \
LCK_MTX_ASSERT(&(_igi)->igi_lock, LCK_MTX_ASSERT_OWNED)
-#define IGI_LOCK_ASSERT_NOTHELD(_igi) \
+#define IGI_LOCK_ASSERT_NOTHELD(_igi) \
LCK_MTX_ASSERT(&(_igi)->igi_lock, LCK_MTX_ASSERT_NOTOWNED)
-#define IGI_LOCK(_igi) \
+#define IGI_LOCK(_igi) \
lck_mtx_lock(&(_igi)->igi_lock)
-#define IGI_LOCK_SPIN(_igi) \
+#define IGI_LOCK_SPIN(_igi) \
lck_mtx_lock_spin(&(_igi)->igi_lock)
-#define IGI_CONVERT_LOCK(_igi) do { \
- IGI_LOCK_ASSERT_HELD(_igi); \
- lck_mtx_convert_spin(&(_igi)->igi_lock); \
+#define IGI_CONVERT_LOCK(_igi) do { \
+ IGI_LOCK_ASSERT_HELD(_igi); \
+ lck_mtx_convert_spin(&(_igi)->igi_lock); \
} while (0)
-#define IGI_UNLOCK(_igi) \
+#define IGI_UNLOCK(_igi) \
lck_mtx_unlock(&(_igi)->igi_lock)
-#define IGI_ADDREF(_igi) \
+#define IGI_ADDREF(_igi) \
igi_addref(_igi, 0)
-#define IGI_ADDREF_LOCKED(_igi) \
+#define IGI_ADDREF_LOCKED(_igi) \
igi_addref(_igi, 1)
-#define IGI_REMREF(_igi) \
+#define IGI_REMREF(_igi) \
igi_remref(_igi)
/*
* Per-link IGMP context.
*/
-#define IGMP_IFINFO(ifp) ((ifp)->if_igi)
+#define IGMP_IFINFO(ifp) ((ifp)->if_igi)
/*
* IGMP timer schedule parameters
*/
struct igmp_tparams {
- int qpt; /* querier_present_timers_running */
- int it; /* interface_timers_running */
- int cst; /* current_state_timers_running */
- int sct; /* state_change_timers_running */
+ int qpt; /* querier_present_timers_running */
+ int it; /* interface_timers_running */
+ int cst; /* current_state_timers_running */
+ int sct; /* state_change_timers_running */
};
extern void igmp_init(struct protosw *, struct domain *);
/*
* Names for IGMP sysctl objects
*/
-#define IGMPCTL_STATS 1 /* statistics (read-only) */
-#define IGMPCTL_MAXID 2
+#define IGMPCTL_STATS 1 /* statistics (read-only) */
+#define IGMPCTL_MAXID 2
#ifdef BSD_KERNEL_PRIVATE
#define IGMPCTL_NAMES { \