/*
- * Copyright (c) 2011-2012 Apple Inc. All rights reserved.
+ * Copyright (c) 2011-2020 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
-#ifndef _NET_IF_LLREACH_H_
-#define _NET_IF_LLREACH_H_
+#ifndef _NET_IF_LLREACH_H_
+#define _NET_IF_LLREACH_H_
#ifdef PRIVATE
#ifdef __cplusplus
/*
* Per-interface link-layer reachability information (private).
*/
-#define IF_LLREACHINFO_ADDRLEN 64 /* max ll addr len */
-#define IF_LLREACHINFO_RESERVED2 16 /* more reserved bits */
+#define IF_LLREACHINFO_ADDRLEN 64 /* max ll addr len */
+#define IF_LLREACHINFO_RESERVED2 16 /* more reserved bits */
struct if_llreach_info {
- u_int32_t lri_refcnt; /* reference count */
- u_int32_t lri_ifindex; /* interface index */
- u_int64_t lri_expire; /* expiration (calendar) time */
- u_int32_t lri_probes; /* total # of probes */
- u_int16_t lri_reserved; /* for future use */
- u_int16_t lri_proto; /* ll proto */
- u_int8_t lri_addr[IF_LLREACHINFO_ADDRLEN]; /* ll addr */
- int32_t lri_rssi; /* received signal strength */
- int32_t lri_lqm; /* link quality metric */
- int32_t lri_npm; /* node proximity metric */
- u_int8_t lri_reserved2[IF_LLREACHINFO_RESERVED2];
+ u_int32_t lri_refcnt; /* reference count */
+ u_int32_t lri_ifindex; /* interface index */
+ u_int64_t lri_expire; /* expiration (calendar) time */
+ u_int32_t lri_probes; /* total # of probes */
+ u_int16_t lri_reserved; /* for future use */
+ u_int16_t lri_proto; /* ll proto */
+ u_int8_t lri_addr[IF_LLREACHINFO_ADDRLEN]; /* ll addr */
+ int32_t lri_rssi; /* received signal strength */
+ int32_t lri_lqm; /* link quality metric */
+ int32_t lri_npm; /* node proximity metric */
+ u_int8_t lri_reserved2[IF_LLREACHINFO_RESERVED2];
};
#ifdef XNU_KERNEL_PRIVATE
#include <sys/tree.h>
-#include <kern/lock.h>
+#include <kern/locks.h>
#include <net/ethernet.h>
#include <netinet/in.h>
-#if INET6
#include <netinet6/in6_var.h>
#include <netinet6/nd6.h>
-#endif /* INET6 */
/*
- * Link-layer reachability is based off node constants in RFC4861.
+ * Per-interface link-layer reachability. (Currently only for ARP/NDP/Ethernet.)
*/
-#if INET6
-#define LL_BASE_REACHABLE REACHABLE_TIME
-#else
-#define LL_BASE_REACHABLE 30000 /* msec */
-#endif /* !INET6 */
-
-/*
- * Per-interface link-layer reachability. (Currently only for ARP/Ethernet.)
- */
-#define IF_LLREACH_MAXLEN ETHER_ADDR_LEN
+#define IF_LLREACH_MAXLEN ETHER_ADDR_LEN
struct if_llreach {
decl_lck_mtx_data(, lr_lock);
- RB_ENTRY(if_llreach) lr_link; /* RB tree links */
- struct ifnet *lr_ifp; /* back pointer to ifnet */
- u_int32_t lr_refcnt; /* reference count */
- u_int32_t lr_reqcnt; /* RB tree request count */
- u_int32_t lr_debug; /* see ifa_debug flags */
- u_int32_t lr_probes; /* number of probes so far */
- u_int64_t lr_basecal; /* base calendar time */
- u_int64_t lr_baseup; /* base uptime */
- u_int64_t lr_lastrcvd; /* last-heard-of timestamp */
- u_int32_t lr_basereachable; /* baseline time */
- u_int32_t lr_reachable; /* reachable time */
+ RB_ENTRY(if_llreach) lr_link; /* RB tree links */
+ struct ifnet *lr_ifp; /* back pointer to ifnet */
+ u_int32_t lr_refcnt; /* reference count */
+ u_int32_t lr_reqcnt; /* RB tree request count */
+ u_int32_t lr_debug; /* see ifa_debug flags */
+ u_int32_t lr_probes; /* number of probes so far */
+ u_int64_t lr_basecal; /* base calendar time */
+ u_int64_t lr_baseup; /* base uptime */
+ u_int64_t lr_lastrcvd; /* last-heard-of timestamp */
+ u_int32_t lr_basereachable; /* baseline time */
+ u_int32_t lr_reachable; /* reachable time */
struct lr_key_s {
- u_int16_t proto; /* ll proto */
- u_int8_t addr[IF_LLREACH_MAXLEN]; /* ll addr */
+ u_int16_t proto; /* ll proto */
+ u_int8_t addr[IF_LLREACH_MAXLEN]; /* ll addr */
} lr_key;
- int32_t lr_rssi; /* received signal strength */
- int32_t lr_lqm; /* link quality metric */
- int32_t lr_npm; /* node proximity metric */
+ int32_t lr_rssi; /* received signal strength */
+ int32_t lr_lqm; /* link quality metric */
+ int32_t lr_npm; /* node proximity metric */
};
RB_PROTOTYPE_SC_PREV(__private_extern__, ll_reach_tree, if_llreach,
ls_link, ifllr_cmp);
-#define IFLR_LOCK_ASSERT_HELD(_iflr) \
- lck_mtx_assert(&(_iflr)->lr_lock, LCK_MTX_ASSERT_OWNED)
+#define IFLR_LOCK_ASSERT_HELD(_iflr) \
+ LCK_MTX_ASSERT(&(_iflr)->lr_lock, LCK_MTX_ASSERT_OWNED)
-#define IFLR_LOCK_ASSERT_NOTHELD(_iflr) \
- lck_mtx_assert(&(_iflr)->lr_lock, LCK_MTX_ASSERT_NOTOWNED)
+#define IFLR_LOCK_ASSERT_NOTHELD(_iflr) \
+ LCK_MTX_ASSERT(&(_iflr)->lr_lock, LCK_MTX_ASSERT_NOTOWNED)
-#define IFLR_LOCK(_iflr) \
+#define IFLR_LOCK(_iflr) \
lck_mtx_lock(&(_iflr)->lr_lock)
-#define IFLR_LOCK_SPIN(_iflr) \
+#define IFLR_LOCK_SPIN(_iflr) \
lck_mtx_lock_spin(&(_iflr)->lr_lock)
-#define IFLR_CONVERT_LOCK(_iflr) do { \
- IFLR_LOCK_ASSERT_HELD(_iflr); \
- lck_mtx_convert_spin(&(_iflr)->lr_lock); \
+#define IFLR_CONVERT_LOCK(_iflr) do { \
+ IFLR_LOCK_ASSERT_HELD(_iflr); \
+ lck_mtx_convert_spin(&(_iflr)->lr_lock); \
} while (0)
-#define IFLR_UNLOCK(_iflr) \
+#define IFLR_UNLOCK(_iflr) \
lck_mtx_unlock(&(_iflr)->lr_lock)
-#define IFLR_ADDREF(_iflr) \
+#define IFLR_ADDREF(_iflr) \
iflr_addref(_iflr, 0)
-#define IFLR_ADDREF_LOCKED(_iflr) \
+#define IFLR_ADDREF_LOCKED(_iflr) \
iflr_addref(_iflr, 1)
-#define IFLR_REMREF(_iflr) \
+#define IFLR_REMREF(_iflr) \
iflr_remref(_iflr)
-struct ifnet_llreach_info; /* forward declaration */
+struct ifnet_llreach_info; /* forward declaration */
-extern void ifnet_llreach_init(void);
extern void ifnet_llreach_ifattach(struct ifnet *, boolean_t);
extern void ifnet_llreach_ifdetach(struct ifnet *);
extern struct if_llreach *ifnet_llreach_alloc(struct ifnet *, u_int16_t, void *,
- unsigned int, u_int64_t);
+ unsigned int, u_int32_t);
extern void ifnet_llreach_free(struct if_llreach *);
extern int ifnet_llreach_reachable(struct if_llreach *);
extern int ifnet_llreach_reachable_delta(struct if_llreach *, u_int64_t);
unsigned int);
extern u_int64_t ifnet_llreach_up2calexp(struct if_llreach *, u_int64_t);
extern u_int64_t ifnet_llreach_up2upexp(struct if_llreach *, u_int64_t);
-extern int ifnet_llreach_get_defrouter(struct ifnet *, int,
+extern int ifnet_llreach_get_defrouter(struct ifnet *, sa_family_t,
struct ifnet_llreach_info *);
extern void ifnet_lr2ri(struct if_llreach *, struct rt_reach_info *);
extern void ifnet_lr2iflri(struct if_llreach *, struct ifnet_llreach_info *);
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