Document that this reference counter is not generic. It indicates how

many route entries are pointing to this address.

diff --git a/sys/net/if_var.h b/sys/net/if_var.h
index 0277f9d..86ca9dd 100644 (file)
--- a/sys/net/if_var.h
+++ b/sys/net/if_var.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_var.h,v 1.10 2014/05/05 11:44:33 mpi Exp $ */
+/*     $OpenBSD: if_var.h,v 1.11 2014/05/26 08:33:48 mpi Exp $ */
 /*     $NetBSD: if.h,v 1.23 1996/05/07 02:40:27 thorpej Exp $  */
 
 /*
@@ -289,7 +289,7 @@ struct ifaddr {
                                        /* check or clean routes (+ or -)'d */
        void    (*ifa_rtrequest)(int, struct rtentry *);
        u_int   ifa_flags;              /* interface flags, see below */
-       u_int   ifa_refcnt;             /* count of references */
+       u_int   ifa_refcnt;             /* number of `rt_ifa` references */
        int     ifa_metric;             /* cost of going out this interface */
 };