xnu-3248.20.55.tar.gz

[apple/xnu.git] / bsd / net / if_llreach.h

diff --git a/bsd/net/if_llreach.h b/bsd/net/if_llreach.h
index e922fb0e4b054665661b02b234b99b8103689635..4b1f5ff3a3d36befb8d99285eeaa4f680214d375 100644 (file)
--- a/bsd/net/if_llreach.h
+++ b/bsd/net/if_llreach.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011 Apple Inc. All rights reserved.
+ * Copyright (c) 2011-2014 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
@@ -39,7 +39,8 @@ extern "C" {
 /*
  * Per-interface link-layer reachability information (private).
  */
-#define        IF_LLREACHINFO_ADDRLEN  64              /* max ll addr len */
+#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 */
@@ -49,11 +50,15 @@ struct if_llreach_info {
        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
@@ -71,7 +76,7 @@ struct if_llreach_info {
 #endif /* !INET6 */
 
 /*
- * Per-interface link-layer reachability.  (Currently only for ARP/Ethernet.)
+ * Per-interface link-layer reachability.  (Currently only for ARP/NDP/Ethernet.)
  */
 #define        IF_LLREACH_MAXLEN       ETHER_ADDR_LEN
 
@@ -92,6 +97,9 @@ struct if_llreach {
                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 */
 };
 
 RB_PROTOTYPE_SC_PREV(__private_extern__, ll_reach_tree, if_llreach,
@@ -126,6 +134,8 @@ RB_PROTOTYPE_SC_PREV(__private_extern__, ll_reach_tree, if_llreach,
 #define        IFLR_REMREF(_iflr)                                              \
        iflr_remref(_iflr)
 
+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 *);
@@ -136,8 +146,12 @@ extern int ifnet_llreach_reachable(struct if_llreach *);
 extern int ifnet_llreach_reachable_delta(struct if_llreach *, u_int64_t);
 extern void ifnet_llreach_set_reachable(struct ifnet *, u_int16_t, void *,
     unsigned int);
-extern u_int64_t ifnet_llreach_up2cal(struct if_llreach *, u_int64_t);
+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,
+    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 *);
 extern void ifnet_lr2lri(struct if_llreach *, struct if_llreach_info *);
 extern void iflr_addref(struct if_llreach *, int);
 extern void iflr_remref(struct if_llreach *);