g/c last bit of old ipv6 prefix management.

Reviewed by:	bz
Obtained from:	NetBSD, net/if.h, rev 1.80

2 files changed, 1 insertions, 17 deletions

diff --git a/sys/net/if.c b/sys/net/if.c
index d287354..42ccda7 100644
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -456,7 +456,6 @@ if_alloc(u_char type)
 	ifp->if_afdata_initialized = 0;
 	IF_AFDATA_LOCK_INIT(ifp);
 	TAILQ_INIT(&ifp->if_addrhead);
-	TAILQ_INIT(&ifp->if_prefixhead);
 	TAILQ_INIT(&ifp->if_multiaddrs);
 	TAILQ_INIT(&ifp->if_groups);
 #ifdef MAC
diff --git a/sys/net/if_var.h b/sys/net/if_var.h
index d1157af..f756785 100644
--- a/sys/net/if_var.h
+++ b/sys/net/if_var.h
@@ -96,7 +96,6 @@ struct	vnet;
 
 TAILQ_HEAD(ifnethead, ifnet);	/* we use TAILQs so that the order of */
 TAILQ_HEAD(ifaddrhead, ifaddr);	/* instantiation is preserved in the list */
-TAILQ_HEAD(ifprefixhead, ifprefix);
 TAILQ_HEAD(ifmultihead, ifmultiaddr);
 TAILQ_HEAD(ifgrouphead, ifg_group);
 
@@ -184,7 +183,7 @@ struct ifnet {
 	struct	label *if_label;	/* interface MAC label */
 
 	/* these are only used by IPv6 */
-	struct	ifprefixhead if_prefixhead; /* list of prefixes per if */
+	void	*if_unused[2];
 	void	*if_afdata[AF_MAX];
 	int	if_afdata_initialized;
 	struct	rwlock if_afdata_lock;
@@ -762,20 +761,6 @@ void	ifa_ref(struct ifaddr *ifa);
 #endif
 
 /*
- * The prefix structure contains information about one prefix
- * of an interface.  They are maintained by the different address families,
- * are allocated and attached when a prefix or an address is set,
- * and are linked together so all prefixes for an interface can be located.
- */
-struct ifprefix {
-	struct	sockaddr *ifpr_prefix;	/* prefix of interface */
-	struct	ifnet *ifpr_ifp;	/* back-pointer to interface */
-	TAILQ_ENTRY(ifprefix) ifpr_list; /* queue macro glue */
-	u_char	ifpr_plen;		/* prefix length in bits */
-	u_char	ifpr_type;		/* protocol dependent prefix type */
-};
-
-/*
  * Multicast address structure.  This is analogous to the ifaddr
  * structure except that it keeps track of multicast addresses.
  */