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-rw-r--r--nest/iface.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/nest/iface.h b/nest/iface.h
index 378cf3d1..fcad7187 100644
--- a/nest/iface.h
+++ b/nest/iface.h
@@ -21,7 +21,7 @@ struct iface {
unsigned flags;
unsigned mtu;
unsigned index; /* OS-dependent interface index */
- ip_addr ip; /* IP address of this host */
+ ip_addr ip; /* IP address of this host (0=unset) */
ip_addr prefix; /* Network prefix */
unsigned pxlen; /* Prefix length */
ip_addr brd; /* Broadcast address */
@@ -29,7 +29,7 @@ struct iface {
struct neighbor *neigh; /* List of neighbors on this interface */
};
-#define IF_UP 1
+#define IF_UP 1 /* IF_LINK_UP, not IF_IGNORE and IP address known */
#define IF_MULTIACCESS 2
#define IF_UNNUMBERED 4
#define IF_BROADCAST 8
@@ -38,7 +38,8 @@ struct iface {
#define IF_ADMIN_DOWN 64
#define IF_LOOPBACK 128
#define IF_IGNORE 256
-#define IF_UPDATED 0x1000 /* Touched in last scan */
+#define IF_LINK_UP 512
+#define IF_UPDATED 0x40000000 /* Touched in last scan */
/* Interface change events */