1 files changed, 25 insertions, 26 deletions

diff --git a/lib/if.c b/lib/if.c
index a8ceac7..8f15230 100644
--- a/lib/if.c
+++ b/lib/if.c
@@ -6,6 +6,12 @@
 
 #include <zebra.h>
 
+#include <net/if.h>
+
+#ifdef GNU_LINUX
+#include <linux/if.h>
+#endif /* GNU_LINUX */
+
 #include "linklist.h"
 #include "vector.h"
 #include "lib_errors.h"
@@ -668,21 +674,26 @@ int if_is_running(const struct interface *ifp)
    if ptm checking is enabled, then ptm check has passed */
 int if_is_operative(const struct interface *ifp)
 {
-	return ((ifp->flags & IFF_UP)
-		&& (((ifp->flags & IFF_RUNNING)
-		     && (ifp->ptm_status || !ifp->ptm_enable))
-		    || !CHECK_FLAG(ifp->status,
-				   ZEBRA_INTERFACE_LINKDETECTION)));
+	return ((ifp->flags & IFF_UP) &&
+		(((ifp->flags & IFF_RUNNING)
+#ifdef IFF_LOWER_UP
+		  && (ifp->flags & IFF_LOWER_UP)
+#endif /* IFF_LOWER_UP */
+		  && (ifp->ptm_status || !ifp->ptm_enable)) ||
+		 !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION)));
 }
 
 /* Is the interface operative, eg. either UP & RUNNING
    or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */
 int if_is_no_ptm_operative(const struct interface *ifp)
 {
-	return ((ifp->flags & IFF_UP)
-		&& ((ifp->flags & IFF_RUNNING)
-		    || !CHECK_FLAG(ifp->status,
-				   ZEBRA_INTERFACE_LINKDETECTION)));
+	return ((ifp->flags & IFF_UP) &&
+		(((ifp->flags & IFF_RUNNING)
+#ifdef IFF_LOWER_UP
+		  && (ifp->flags & IFF_LOWER_UP)
+#endif /* IFF_LOWER_UP */
+			  ) ||
+		 !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION)));
 }
 
 /* Is this loopback interface ? */
@@ -744,6 +755,9 @@ const char *if_flag_dump(unsigned long flag)
 
 	strlcpy(logbuf, "<", BUFSIZ);
 	IFF_OUT_LOG(IFF_UP, "UP");
+#ifdef IFF_LOWER_UP
+	IFF_OUT_LOG(IFF_LOWER_UP, "LOWER_UP");
+#endif /* IFF_LOWER_UP */
 	IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST");
 	IFF_OUT_LOG(IFF_DEBUG, "DEBUG");
 	IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK");
@@ -885,21 +899,6 @@ nbr_connected_log(struct nbr_connected *connected, char *str)
 	zlog_info("%s", logbuf);
 }
 
-/* If two connected address has same prefix return 1. */
-static int connected_same_prefix(const struct prefix *p1,
-				 const struct prefix *p2)
-{
-	if (p1->family == p2->family) {
-		if (p1->family == AF_INET
-		    && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4))
-			return 1;
-		if (p1->family == AF_INET6
-		    && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6))
-			return 1;
-	}
-	return 0;
-}
-
 /* count the number of connected addresses that are in the given family */
 unsigned int connected_count_by_family(struct interface *ifp, int family)
 {
@@ -919,7 +918,7 @@ struct connected *connected_lookup_prefix_exact(struct interface *ifp,
 	struct connected *ifc;
 
 	frr_each (if_connected, ifp->connected, ifc) {
-		if (connected_same_prefix(ifc->address, p))
+		if (prefix_same(ifc->address, p))
 			return ifc;
 	}
 	return NULL;
@@ -932,7 +931,7 @@ struct connected *connected_delete_by_prefix(struct interface *ifp,
 
 	/* In case of same prefix come, replace it with new one. */
 	frr_each_safe (if_connected, ifp->connected, ifc) {
-		if (connected_same_prefix(ifc->address, p)) {
+		if (prefix_same(ifc->address, p)) {
 			if_connected_del(ifp->connected, ifc);
 			return ifc;
 		}