--- embedaddon/quagga/ospfd/ospf_interface.h	2012/02/21 17:26:12	1.1.1.1
+++ embedaddon/quagga/ospfd/ospf_interface.h	2016/11/02 10:09:12	1.1.1.3
@@ -30,8 +30,17 @@
 #define IF_DEF_PARAMS(I) (IF_OSPF_IF_INFO (I)->def_params)
 #define IF_OIFS(I)  (IF_OSPF_IF_INFO (I)->oifs)
 #define IF_OIFS_PARAMS(I) (IF_OSPF_IF_INFO (I)->params)
-			    
+
+/* Despite the name, this macro probably is for specialist use only */
 #define OSPF_IF_PARAM_CONFIGURED(S, P) ((S) && (S)->P##__config)
+
+/* Test whether an OSPF interface parameter is set, generally, given some
+ * existing ospf interface
+ */
+#define OSPF_IF_PARAM_IS_SET(O,P) \
+      (OSPF_IF_PARAM_CONFIGURED ((O)->params, P) || \
+      OSPF_IF_PARAM_CONFIGURED(IF_DEF_PARAMS((O)->ifp)->P))
+
 #define OSPF_IF_PARAM(O, P) \
         (OSPF_IF_PARAM_CONFIGURED ((O)->params, P)?\
                         (O)->params->P:IF_DEF_PARAMS((O)->ifp)->P)
@@ -47,6 +56,7 @@ struct ospf_if_params
   DECLARE_IF_PARAM (u_int32_t, retransmit_interval); /* Retransmission Interval */
   DECLARE_IF_PARAM (u_char, passive_interface);      /* OSPF Interface is passive: no sending or receiving (no need to join multicast groups) */
   DECLARE_IF_PARAM (u_char, priority);               /* OSPF Interface priority */
+  DECLARE_IF_PARAM (struct in_addr, if_area);        /* Enable OSPF on this interface with area if_area */
   DECLARE_IF_PARAM (u_char, type);                   /* type of interface */
 #define OSPF_IF_ACTIVE                  0
 #define OSPF_IF_PASSIVE		        1
@@ -127,6 +137,10 @@ struct ospf_interface
   /* OSPF Area. */
   struct ospf_area *area;
 
+  /* Position range in Router LSA */
+  uint16_t lsa_pos_beg; /* inclusive, >= */
+  uint16_t lsa_pos_end; /* exclusive, <  */
+
   /* Interface data from zebra. */
   struct interface *ifp;
   struct ospf_vl_data *vl_data;		/* Data for Virtual Link */
@@ -136,14 +150,6 @@ struct ospf_interface
 
   /* OSPF Network Type. */
   u_char type;
-#define OSPF_IFTYPE_NONE		0
-#define OSPF_IFTYPE_POINTOPOINT		1
-#define OSPF_IFTYPE_BROADCAST		2
-#define OSPF_IFTYPE_NBMA		3
-#define OSPF_IFTYPE_POINTOMULTIPOINT	4
-#define OSPF_IFTYPE_VIRTUALLINK		5
-#define OSPF_IFTYPE_LOOPBACK            6
-#define OSPF_IFTYPE_MAX			7
 
   /* State of Interface State Machine. */
   u_char state;
@@ -187,9 +193,7 @@ struct ospf_interface
 
   /* self-originated LSAs. */
   struct ospf_lsa *network_lsa_self;	/* network-LSA. */
-#ifdef HAVE_OPAQUE_LSA
   struct list *opaque_lsa_self;			/* Type-9 Opaque-LSAs */
-#endif /* HAVE_OPAQUE_LSA */
 
   struct route_table *ls_upd_queue;
 
@@ -210,9 +214,7 @@ struct ospf_interface
   struct thread *t_ls_ack;              /* timer */
   struct thread *t_ls_ack_direct;       /* event */
   struct thread *t_ls_upd_event;        /* event */
-#ifdef HAVE_OPAQUE_LSA
   struct thread *t_opaque_lsa_self;     /* Type-9 Opaque-LSAs */
-#endif /* HAVE_OPAQUE_LSA */
 
   int on_write_q;
   
@@ -244,6 +246,8 @@ extern int ospf_if_down (struct ospf_interface *);
 
 extern int ospf_if_is_up (struct ospf_interface *);
 extern struct ospf_interface *ospf_if_exists (struct ospf_interface *);
+extern struct ospf_interface *ospf_if_lookup_by_lsa_pos (struct ospf_area *,
+							 int);
 extern struct ospf_interface *ospf_if_lookup_by_local_addr (struct ospf *,
 							    struct interface
 							    *,