/*
- * Copyright (c) 2000-2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2019 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
*/
#ifndef _NETINET_IN_VAR_H_
-#define _NETINET_IN_VAR_H_
+#define _NETINET_IN_VAR_H_
#include <sys/appleapiopts.h>
#include <sys/queue.h>
* of the structure and is assumed to be first.
*/
struct in_ifaddr {
- struct ifaddr ia_ifa; /* protocol-independent info */
-#define ia_ifp ia_ifa.ifa_ifp
-#define ia_flags ia_ifa.ifa_flags
- /* ia_{,sub}net{,mask} in host order */
- u_int32_t ia_net; /* network number of interface */
- u_int32_t ia_netmask; /* mask of net part */
- u_int32_t ia_subnet; /* subnet number, including net */
- u_int32_t ia_subnetmask; /* mask of subnet part */
- struct in_addr ia_netbroadcast; /* to recognize net broadcasts */
- TAILQ_ENTRY(in_ifaddr) ia_link; /* tailq macro glue */
- struct sockaddr_in ia_addr; /* reserve space for interface name */
- struct sockaddr_in ia_dstaddr; /* reserve space for broadcast addr */
-#define ia_broadaddr ia_dstaddr
- struct sockaddr_in ia_sockmask; /* reserve space for general netmask */
- TAILQ_ENTRY(in_ifaddr) ia_hash; /* hash bucket entry */
+ struct ifaddr ia_ifa; /* protocol-independent info */
+#define ia_ifp ia_ifa.ifa_ifp
+#define ia_flags ia_ifa.ifa_flags
+ /* ia_{,sub}net{,mask} in host order */
+ u_int32_t ia_net; /* network number of interface */
+ u_int32_t ia_netmask; /* mask of net part */
+ u_int32_t ia_subnet; /* subnet number, including net */
+ u_int32_t ia_subnetmask; /* mask of subnet part */
+ struct in_addr ia_netbroadcast; /* to recognize net broadcasts */
+ TAILQ_ENTRY(in_ifaddr) ia_link; /* tailq macro glue */
+ struct sockaddr_in ia_addr; /* reserve space for interface name */
+ struct sockaddr_in ia_dstaddr; /* reserve space for broadcast addr */
+#define ia_broadaddr ia_dstaddr
+ struct sockaddr_in ia_sockmask; /* reserve space for general netmask */
+ TAILQ_ENTRY(in_ifaddr) ia_hash; /* hash bucket entry */
};
-#define ifatoia(ifa) ((struct in_ifaddr *)(void *)(ifa))
+#define ifatoia(ifa) ((struct in_ifaddr *)(void *)(ifa))
#endif /* BSD_KERNEL_PRIVATE */
struct in_aliasreq {
- char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
+ char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
struct sockaddr_in ifra_addr;
struct sockaddr_in ifra_broadaddr;
-#define ifra_dstaddr ifra_broadaddr
+#define ifra_dstaddr ifra_broadaddr
struct sockaddr_in ifra_mask;
};
*/
struct kev_in_data {
struct net_event_data link_data;
- struct in_addr ia_addr; /* interface address */
- u_int32_t ia_net; /* network number of interface */
- u_int32_t ia_netmask; /* mask of net part */
- u_int32_t ia_subnet; /* subnet number, including net */
- u_int32_t ia_subnetmask; /* mask of subnet part */
- struct in_addr ia_netbroadcast; /* to recognize net broadcasts */
+ struct in_addr ia_addr; /* interface address */
+ u_int32_t ia_net; /* network number of interface */
+ u_int32_t ia_netmask; /* mask of net part */
+ u_int32_t ia_subnet; /* subnet number, including net */
+ u_int32_t ia_subnetmask; /* mask of subnet part */
+ struct in_addr ia_netbroadcast; /* to recognize net broadcasts */
struct in_addr ia_dstaddr;
};
struct kev_in_collision {
struct net_event_data link_data; /* link where ARP was received on */
- struct in_addr ia_ipaddr; /* conflicting IP address */
- u_char hw_len; /* length of hardware address */
- u_char hw_addr[0]; /* variable length hardware address */
+ struct in_addr ia_ipaddr; /* conflicting IP address */
+ u_char hw_len; /* length of hardware address */
+ u_char hw_addr[0]; /* variable length hardware address */
};
struct kev_in_arpfailure {
struct net_event_data link_data; /* link where ARP was received */
};
+#ifdef PRIVATE
+/*
+ * Common structure for KEV_SOCKET_SUBCLASS
+ * Have to place here to avoid declaration dependencies.
+ */
+struct kev_socket_event_data {
+ union sockaddr_in_4_6 kev_sockname;
+ union sockaddr_in_4_6 kev_peername;
+};
+
+struct kev_socket_closed {
+ struct kev_socket_event_data ev_data;
+};
+#endif /* PRIVATE */
#ifdef __APPLE_API_PRIVATE
struct kev_in_portinuse {
- u_int16_t port; /* conflicting port number in host order */
- u_int32_t req_pid; /* PID port requestor */
+ u_int16_t port; /* conflicting port number in host order */
+ u_int32_t req_pid; /* PID port requestor */
u_int32_t reserved[2];
};
#endif /* __APPLE_API_PRIVATE */
#ifdef BSD_KERNEL_PRIVATE
+extern void socket_post_kev_msg(uint32_t, struct kev_socket_event_data *,
+ uint32_t);
+extern void socket_post_kev_msg_closed(struct socket *);
+
#include <net/if.h>
#include <net/if_var.h>
+#include <net/if_llatbl.h>
#include <kern/locks.h>
#include <sys/tree.h>
/*
* Given a pointer to an in_ifaddr (ifaddr),
* return a pointer to the addr as a sockaddr_in.
*/
-#define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr))
-#define IA_DSTSIN(ia) (&(((struct in_ifaddr *)(ia))->ia_dstaddr))
+#define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr))
+#define IA_DSTSIN(ia) (&(((struct in_ifaddr *)(ia))->ia_dstaddr))
-#define IN_LNAOF(in, ifa) \
+#define IN_LNAOF(in, ifa) \
((ntohl((in).s_addr) & ~((struct in_ifaddr *)(ifa)->ia_subnetmask))
/*
* Hash table for IPv4 addresses.
*/
extern TAILQ_HEAD(in_ifaddrhead, in_ifaddr) in_ifaddrhead;
-extern TAILQ_HEAD(in_ifaddrhashhead, in_ifaddr) *in_ifaddrhashtbl;
+extern TAILQ_HEAD(in_ifaddrhashhead, in_ifaddr) * in_ifaddrhashtbl;
extern lck_rw_t *in_ifaddr_rwlock;
-#define INADDR_HASH(x) (&in_ifaddrhashtbl[inaddr_hashval(x)])
+#define INADDR_HASH(x) (&in_ifaddrhashtbl[inaddr_hashval(x)])
-extern u_char inetctlerrmap[];
+extern u_char inetctlerrmap[];
/*
* Macro for finding the interface (ifnet structure) corresponding to one
* of our IP addresses.
*/
-#define INADDR_TO_IFP(addr, ifp) \
- /* struct in_addr addr; */ \
- /* struct ifnet *ifp; */ \
-{ \
- struct in_ifaddr *ia; \
- \
- lck_rw_lock_shared(in_ifaddr_rwlock); \
- TAILQ_FOREACH(ia, INADDR_HASH((addr).s_addr), ia_hash) { \
- IFA_LOCK_SPIN(&ia->ia_ifa); \
- if (IA_SIN(ia)->sin_addr.s_addr == (addr).s_addr) { \
- IFA_UNLOCK(&ia->ia_ifa); \
- break; \
- } \
- IFA_UNLOCK(&ia->ia_ifa); \
- } \
- (ifp) = (ia == NULL) ? NULL : ia->ia_ifp; \
- lck_rw_done(in_ifaddr_rwlock); \
+#define INADDR_TO_IFP(addr, ifp) \
+ /* struct in_addr addr; */ \
+ /* struct ifnet *ifp; */ \
+{ \
+ struct in_ifaddr *ia; \
+ \
+ lck_rw_lock_shared(in_ifaddr_rwlock); \
+ TAILQ_FOREACH(ia, INADDR_HASH((addr).s_addr), ia_hash) { \
+ IFA_LOCK_SPIN(&ia->ia_ifa); \
+ if (IA_SIN(ia)->sin_addr.s_addr == (addr).s_addr) { \
+ IFA_UNLOCK(&ia->ia_ifa); \
+ break; \
+ } \
+ IFA_UNLOCK(&ia->ia_ifa); \
+ } \
+ (ifp) = (ia == NULL) ? NULL : ia->ia_ifp; \
+ lck_rw_done(in_ifaddr_rwlock); \
}
/*
* to a given interface (ifnet structure). Caller is responsible for freeing
* the reference.
*/
-#define IFP_TO_IA(ifp, ia) \
- /* struct ifnet *ifp; */ \
- /* struct in_ifaddr *ia; */ \
-{ \
- lck_rw_lock_shared(in_ifaddr_rwlock); \
- for ((ia) = TAILQ_FIRST(&in_ifaddrhead); \
- (ia) != NULL && (ia)->ia_ifp != (ifp); \
- (ia) = TAILQ_NEXT((ia), ia_link)) \
- continue; \
- if ((ia) != NULL) \
- IFA_ADDREF(&(ia)->ia_ifa); \
- lck_rw_done(in_ifaddr_rwlock); \
+#define IFP_TO_IA(ifp, ia) \
+ /* struct ifnet *ifp; */ \
+ /* struct in_ifaddr *ia; */ \
+{ \
+ lck_rw_lock_shared(in_ifaddr_rwlock); \
+ for ((ia) = TAILQ_FIRST(&in_ifaddrhead); \
+ (ia) != NULL && (ia)->ia_ifp != (ifp); \
+ (ia) = TAILQ_NEXT((ia), ia_link)) \
+ continue; \
+ if ((ia) != NULL) \
+ IFA_ADDREF(&(ia)->ia_ifa); \
+ lck_rw_done(in_ifaddr_rwlock); \
}
/*
* IPv4 multicast IGMP-layer source entry.
*/
struct ip_msource {
- RB_ENTRY(ip_msource) ims_link; /* RB tree links */
- in_addr_t ims_haddr; /* host byte order */
+ RB_ENTRY(ip_msource) ims_link; /* RB tree links */
+ in_addr_t ims_haddr; /* host byte order */
struct ims_st {
- uint16_t ex; /* # of exclusive members */
- uint16_t in; /* # of inclusive members */
- } ims_st[2]; /* state at t0, t1 */
- uint8_t ims_stp; /* pending query */
+ uint16_t ex; /* # of exclusive members */
+ uint16_t in; /* # of inclusive members */
+ } ims_st[2]; /* state at t0, t1 */
+ uint8_t ims_stp; /* pending query */
};
/*
* IPv4 multicast PCB-layer source entry.
*/
struct in_msource {
- RB_ENTRY(ip_msource) ims_link; /* RB tree links */
- in_addr_t ims_haddr; /* host byte order */
- uint8_t imsl_st[2]; /* state before/at commit */
+ RB_ENTRY(ip_msource) ims_link; /* RB tree links */
+ in_addr_t ims_haddr; /* host byte order */
+ uint8_t imsl_st[2]; /* state before/at commit */
};
-RB_HEAD(ip_msource_tree, ip_msource); /* define struct ip_msource_tree */
+RB_HEAD(ip_msource_tree, ip_msource); /* define struct ip_msource_tree */
RB_PROTOTYPE_SC_PREV(__private_extern__, ip_msource_tree, ip_msource,
ims_link, ip_msource_cmp);
* IPv4 multicast PCB-layer group filter descriptor.
*/
struct in_mfilter {
- struct ip_msource_tree imf_sources; /* source list for (S,G) */
- u_long imf_nsrc; /* # of source entries */
- uint8_t imf_st[2]; /* state before/at commit */
+ struct ip_msource_tree imf_sources; /* source list for (S,G) */
+ u_long imf_nsrc; /* # of source entries */
+ uint8_t imf_st[2]; /* state before/at commit */
};
struct igmp_ifinfo;
*/
struct in_multi {
decl_lck_mtx_data(, inm_lock);
- u_int32_t inm_refcount; /* reference count */
- u_int32_t inm_reqcnt; /* request count for this address */
- u_int32_t inm_debug; /* see ifa_debug flags */
- LIST_ENTRY(in_multi) inm_link; /* queue macro glue */
- struct in_addr inm_addr; /* IP multicast address, convenience */
- struct ifnet *inm_ifp; /* back pointer to ifnet */
- struct ifmultiaddr *inm_ifma; /* back pointer to ifmultiaddr */
- u_int inm_timer; /* IGMPv1/v2 group / v3 query timer */
- u_int inm_state; /* state of the membership */
- void *inm_rti; /* unused, legacy field */
+ u_int32_t inm_refcount; /* reference count */
+ u_int32_t inm_reqcnt; /* request count for this address */
+ u_int32_t inm_debug; /* see ifa_debug flags */
+ LIST_ENTRY(in_multi) inm_link; /* queue macro glue */
+ struct in_addr inm_addr; /* IP multicast address, convenience */
+ struct ifnet *inm_ifp; /* back pointer to ifnet */
+ struct ifmultiaddr *inm_ifma; /* back pointer to ifmultiaddr */
+ u_int inm_timer; /* IGMPv1/v2 group / v3 query timer */
+ u_int inm_state; /* state of the membership */
+ void *inm_rti; /* unused, legacy field */
/* New fields for IGMPv3 follow. */
- struct igmp_ifinfo *inm_igi; /* IGMP info */
- SLIST_ENTRY(in_multi) inm_dtle; /* detached waiting for rele */
- SLIST_ENTRY(in_multi) inm_nrele; /* to-be-released by IGMP */
- u_int32_t inm_nrelecnt; /* deferred release count */
- struct ip_msource_tree inm_srcs; /* tree of sources */
- u_long inm_nsrc; /* # of tree entries */
-
- struct ifqueue inm_scq; /* queue of pending
- * state-change packets */
- struct timeval inm_lastgsrtv; /* Time of last G-S-R query */
- uint16_t inm_sctimer; /* state-change timer */
- uint16_t inm_scrv; /* state-change rexmit count */
+ struct igmp_ifinfo *inm_igi; /* IGMP info */
+ SLIST_ENTRY(in_multi) inm_dtle; /* detached waiting for rele */
+ SLIST_ENTRY(in_multi) inm_nrele; /* to-be-released by IGMP */
+ u_int32_t inm_nrelecnt; /* deferred release count */
+ struct ip_msource_tree inm_srcs; /* tree of sources */
+ u_long inm_nsrc; /* # of tree entries */
+
+ struct ifqueue inm_scq; /* queue of pending
+ * state-change packets */
+ struct timeval inm_lastgsrtv; /* Time of last G-S-R query */
+ uint16_t inm_sctimer; /* state-change timer */
+ uint16_t inm_scrv; /* state-change rexmit count */
/*
* SSM state counters which track state at T0 (the time the last
* are maintained here to optimize for common use-cases.
*/
struct inm_st {
- uint16_t iss_fmode; /* IGMP filter mode */
- uint16_t iss_asm; /* # of ASM listeners */
- uint16_t iss_ex; /* # of exclusive members */
- uint16_t iss_in; /* # of inclusive members */
- uint16_t iss_rec; /* # of recorded sources */
- } inm_st[2]; /* state at t0, t1 */
-
- void (*inm_trace) /* callback fn for tracing refs */
- (struct in_multi *, int);
+ uint16_t iss_fmode; /* IGMP filter mode */
+ uint16_t iss_asm; /* # of ASM listeners */
+ uint16_t iss_ex; /* # of exclusive members */
+ uint16_t iss_in; /* # of inclusive members */
+ uint16_t iss_rec; /* # of recorded sources */
+ } inm_st[2]; /* state at t0, t1 */
+
+ void (*inm_trace) /* callback fn for tracing refs */
+ (struct in_multi *, int);
};
-#define INM_LOCK_ASSERT_HELD(_inm) \
- lck_mtx_assert(&(_inm)->inm_lock, LCK_MTX_ASSERT_OWNED)
+#define INM_LOCK_ASSERT_HELD(_inm) \
+ LCK_MTX_ASSERT(&(_inm)->inm_lock, LCK_MTX_ASSERT_OWNED)
-#define INM_LOCK_ASSERT_NOTHELD(_inm) \
- lck_mtx_assert(&(_inm)->inm_lock, LCK_MTX_ASSERT_NOTOWNED)
+#define INM_LOCK_ASSERT_NOTHELD(_inm) \
+ LCK_MTX_ASSERT(&(_inm)->inm_lock, LCK_MTX_ASSERT_NOTOWNED)
-#define INM_LOCK(_inm) \
+#define INM_LOCK(_inm) \
lck_mtx_lock(&(_inm)->inm_lock)
-#define INM_LOCK_SPIN(_inm) \
+#define INM_LOCK_SPIN(_inm) \
lck_mtx_lock_spin(&(_inm)->inm_lock)
-#define INM_CONVERT_LOCK(_inm) do { \
- INM_LOCK_ASSERT_HELD(_inm); \
- lck_mtx_convert_spin(&(_inm)->inm_lock); \
+#define INM_CONVERT_LOCK(_inm) do { \
+ INM_LOCK_ASSERT_HELD(_inm); \
+ lck_mtx_convert_spin(&(_inm)->inm_lock); \
} while (0)
-#define INM_UNLOCK(_inm) \
+#define INM_UNLOCK(_inm) \
lck_mtx_unlock(&(_inm)->inm_lock)
-#define INM_ADDREF(_inm) \
+#define INM_ADDREF(_inm) \
inm_addref(_inm, 0)
-#define INM_ADDREF_LOCKED(_inm) \
+#define INM_ADDREF_LOCKED(_inm) \
inm_addref(_inm, 1)
-#define INM_REMREF(_inm) \
+#define INM_REMREF(_inm) \
inm_remref(_inm, 0)
-#define INM_REMREF_LOCKED(_inm) \
+#define INM_REMREF_LOCKED(_inm) \
inm_remref(_inm, 1)
#ifdef SYSCTL_DECL
*
* Must be called with in_multihead_lock held.
*/
-#define IN_LOOKUP_MULTI(addr, ifp, inm) \
- /* struct in_addr *addr; */ \
- /* struct ifnet *ifp; */ \
- /* struct in_multi *inm; */ \
-do { \
- struct in_multistep _step; \
- IN_FIRST_MULTI(_step, inm); \
- while ((inm) != NULL) { \
- INM_LOCK_SPIN(inm); \
- if ((inm)->inm_ifp == (ifp) && \
- (inm)->inm_addr.s_addr == (addr)->s_addr) { \
- INM_ADDREF_LOCKED(inm); \
- INM_UNLOCK(inm); \
- break; \
- } \
- INM_UNLOCK(inm); \
- IN_NEXT_MULTI(_step, inm); \
- } \
+#define IN_LOOKUP_MULTI(addr, ifp, inm) \
+ /* struct in_addr *addr; */ \
+ /* struct ifnet *ifp; */ \
+ /* struct in_multi *inm; */ \
+do { \
+ struct in_multistep _step; \
+ IN_FIRST_MULTI(_step, inm); \
+ while ((inm) != NULL) { \
+ INM_LOCK_SPIN(inm); \
+ if ((inm)->inm_ifp == (ifp) && \
+ (inm)->inm_addr.s_addr == (addr)->s_addr) { \
+ INM_ADDREF_LOCKED(inm); \
+ INM_UNLOCK(inm); \
+ break; \
+ } \
+ INM_UNLOCK(inm); \
+ IN_NEXT_MULTI(_step, inm); \
+ } \
} while (0)
/*
*
* Must be called with in_multihead_lock held.
*/
-#define IN_NEXT_MULTI(step, inm) \
- /* struct in_multistep step; */ \
- /* struct in_multi *inm; */ \
-do { \
- in_multihead_lock_assert(LCK_RW_ASSERT_HELD); \
- if (((inm) = (step).i_inm) != NULL) \
- (step).i_inm = LIST_NEXT((step).i_inm, inm_link); \
+#define IN_NEXT_MULTI(step, inm) \
+ /* struct in_multistep step; */ \
+ /* struct in_multi *inm; */ \
+do { \
+ in_multihead_lock_assert(LCK_RW_ASSERT_HELD); \
+ if (((inm) = (step).i_inm) != NULL) \
+ (step).i_inm = LIST_NEXT((step).i_inm, inm_link); \
} while (0)
-#define IN_FIRST_MULTI(step, inm) \
- /* struct in_multistep step; */ \
- /* struct in_multi *inm; */ \
-do { \
- in_multihead_lock_assert(LCK_RW_ASSERT_HELD); \
- (step).i_inm = LIST_FIRST(&in_multihead); \
- IN_NEXT_MULTI((step), (inm)); \
+#define IN_FIRST_MULTI(step, inm) \
+ /* struct in_multistep step; */ \
+ /* struct in_multi *inm; */ \
+do { \
+ in_multihead_lock_assert(LCK_RW_ASSERT_HELD); \
+ (step).i_inm = LIST_FIRST(&in_multihead); \
+ IN_NEXT_MULTI((step), (inm)); \
} while (0)
extern lck_mtx_t *inet_domain_mutex;
/*
* Return values for imo_multi_filter().
*/
-#define MCAST_PASS 0 /* Pass */
-#define MCAST_NOTGMEMBER 1 /* This host not a member of group */
-#define MCAST_NOTSMEMBER 2 /* This host excluded source */
-#define MCAST_MUTED 3 /* [deprecated] */
+#define MCAST_PASS 0 /* Pass */
+#define MCAST_NOTGMEMBER 1 /* This host not a member of group */
+#define MCAST_NOTSMEMBER 2 /* This host excluded source */
+#define MCAST_MUTED 3 /* [deprecated] */
/*
* Per-interface IPv4 structures.
*/
struct in_ifextra {
- uint32_t netsig_len;
- u_int8_t netsig[IFNET_SIGNATURELEN];
+ uint32_t netsig_len;
+ u_int8_t netsig[IFNET_SIGNATURELEN];
+ struct lltable *ii_llt; /* ARP state */
};
-#define IN_IFEXTRA(_ifp) ((struct in_ifextra *)(_ifp->if_inetdata))
+#define IN_IFEXTRA(_ifp) ((struct in_ifextra *)(_ifp->if_inetdata))
+#define LLTABLE(ifp) ((IN_IFEXTRA(ifp) == NULL) ? NULL : IN_IFEXTRA(ifp)->ii_llt)
extern u_int32_t ipv4_ll_arp_aware;
extern void in_ifaddr_init(void);
-extern int imo_multi_filter(const struct ip_moptions *, const struct ifnet *,
- const struct sockaddr *, const struct sockaddr *);
+extern int imo_multi_filter(const struct ip_moptions *,
+ const struct ifnet *, const struct sockaddr_in *,
+ const struct sockaddr_in *);
extern int imo_clone(struct inpcb *, struct inpcb *);
extern void inm_commit(struct in_multi *);
extern void inm_clear_recorded(struct in_multi *);
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