Merge pull request #13177 from mjstapp/fix_ospf_supoort_typo

[mirror_frr.git] / ospfd / ospf_lsa.h

diff --git a/ospfd/ospf_lsa.h b/ospfd/ospf_lsa.h
index 4e884fa89bda07e960d8b41132a846b9fee611c1..d5ca0694ccb204bd890e1593c1586cb9cd24dfd3 100644 (file)
--- a/ospfd/ospf_lsa.h
+++ b/ospfd/ospf_lsa.h
@@ -1,22 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OSPF Link State Advertisement
  * Copyright (C) 1999, 2000 Toshiaki Takada
- *
- * This file is part of GNU Zebra.
- *
- * GNU Zebra is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * GNU Zebra is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; see the file COPYING; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef _ZEBRA_OSPF_LSA_H
@@ -60,6 +45,7 @@
 /* OSPF LSA header. */
 struct lsa_header {
        uint16_t ls_age;
+#define DO_NOT_AGE 0x8000
        uint8_t options;
        uint8_t type;
        struct in_addr id;
@@ -74,16 +60,15 @@ struct vertex;
 /* OSPF LSA. */
 struct ospf_lsa {
        /* LSA origination flag. */
-       uint16_t flags;
-#define OSPF_LSA_SELF          0x0001
-#define OSPF_LSA_SELF_CHECKED  0x0002
-#define OSPF_LSA_RECEIVED      0x0004
-#define OSPF_LSA_APPROVED      0x0008
-#define OSPF_LSA_DISCARD       0x0010
-#define OSPF_LSA_LOCAL_XLT     0x0020
-#define OSPF_LSA_PREMATURE_AGE 0x0040
-#define OSPF_LSA_IN_MAXAGE     0x0080
-#define OSPF_LSA_ORR           0x0100
+       uint8_t flags;
+#define OSPF_LSA_SELF            0x01
+#define OSPF_LSA_SELF_CHECKED    0x02
+#define OSPF_LSA_RECEIVED        0x04
+#define OSPF_LSA_APPROVED        0x08
+#define OSPF_LSA_DISCARD         0x10
+#define OSPF_LSA_LOCAL_XLT       0x20
+#define OSPF_LSA_PREMATURE_AGE   0x40
+#define OSPF_LSA_IN_MAXAGE       0x80
 
        /* LSA data. and size */
        struct lsa_header *data;
@@ -226,7 +211,6 @@ enum lsid_status { LSID_AVAILABLE = 0, LSID_CHANGE, LSID_NOT_AVAILABLE };
 #define IS_LSA_MAXAGE(L)        (LS_AGE ((L)) == OSPF_LSA_MAXAGE)
 #define IS_LSA_MAX_SEQ(L)                                                      \
        ((L)->data->ls_seqnum == htonl(OSPF_MAX_SEQUENCE_NUMBER))
-#define IS_LSA_ORR(L)           (CHECK_FLAG ((L)->flags, OSPF_LSA_ORR))
 
 #define OSPF_LSA_UPDATE_DELAY          2
 
@@ -235,6 +219,9 @@ enum lsid_status { LSID_AVAILABLE = 0, LSID_CHANGE, LSID_NOT_AVAILABLE };
         || (type == OSPF_SUMMARY_LSA) || (type == OSPF_ASBR_SUMMARY_LSA)      \
         || (type == OSPF_AS_EXTERNAL_LSA) || (type == OSPF_AS_NSSA_LSA))
 
+#define OSPF_FR_CONFIG(o, a)                                                   \
+       (o->fr_configured || ((a != NULL) ? a->fr_info.configured : 0))
+
 /* Prototypes. */
 /* XXX: Eek, time functions, similar are in lib/thread.c */
 extern struct timeval int2tv(int);
@@ -291,18 +278,17 @@ extern struct in_addr ospf_get_ip_from_ifp(struct ospf_interface *);
 
 extern struct ospf_lsa *ospf_external_lsa_originate(struct ospf *,
                                                    struct external_info *);
+extern struct ospf_lsa *ospf_nssa_lsa_originate(struct ospf_area *area,
+                                               struct external_info *ei);
+extern struct ospf_lsa *ospf_nssa_lsa_refresh(struct ospf_area *area,
+                                             struct ospf_lsa *lsa,
+                                             struct external_info *ei);
 extern void ospf_external_lsa_rid_change(struct ospf *ospf);
 extern struct ospf_lsa *ospf_lsa_lookup(struct ospf *ospf, struct ospf_area *,
                                        uint32_t, struct in_addr,
                                        struct in_addr);
 extern struct ospf_lsa *ospf_lsa_lookup_by_id(struct ospf_area *, uint32_t,
                                              struct in_addr);
-extern struct ospf_lsa *ospf_lsa_lookup_by_adv_rid(struct ospf_area *area,
-                                                  uint32_t type,
-                                                  struct in_addr id);
-extern struct ospf_lsa *ospf_lsa_lookup_by_mpls_te_rid(struct ospf_area *area,
-                                                      uint32_t type,
-                                                      struct in_addr id);
 extern struct ospf_lsa *ospf_lsa_lookup_by_header(struct ospf_area *,
                                                  struct lsa_header *);
 extern int ospf_lsa_more_recent(struct ospf_lsa *, struct ospf_lsa *);
@@ -319,7 +305,7 @@ extern struct ospf_lsa *ospf_lsa_lookup_by_prefix(struct ospf_lsdb *, uint8_t,
 extern void ospf_lsa_maxage(struct ospf *, struct ospf_lsa *);
 extern uint32_t get_metric(uint8_t *);
 
-extern void ospf_lsa_maxage_walker(struct thread *thread);
+extern void ospf_lsa_maxage_walker(struct event *thread);
 extern struct ospf_lsa *ospf_lsa_refresh(struct ospf *, struct ospf_lsa *);
 
 extern void ospf_external_lsa_refresh_default(struct ospf *);
@@ -339,7 +325,7 @@ extern void ospf_schedule_lsa_flush_area(struct ospf_area *, struct ospf_lsa *);
 
 extern void ospf_refresher_register_lsa(struct ospf *, struct ospf_lsa *);
 extern void ospf_refresher_unregister_lsa(struct ospf *, struct ospf_lsa *);
-extern void ospf_lsa_refresh_walker(struct thread *thread);
+extern void ospf_lsa_refresh_walker(struct event *thread);
 
 extern void ospf_lsa_maxage_delete(struct ospf *, struct ospf_lsa *);
 
@@ -365,5 +351,25 @@ extern void ospf_check_and_gen_init_seq_lsa(struct ospf_interface *oi,
                                            struct ospf_lsa *lsa);
 extern void ospf_flush_lsa_from_area(struct ospf *ospf, struct in_addr area_id,
                                     int type);
-extern void ospf_maxage_lsa_remover(struct thread *thread);
+extern void ospf_maxage_lsa_remover(struct event *thread);
+extern bool ospf_check_dna_lsa(const struct ospf_lsa *lsa);
+extern void ospf_refresh_area_self_lsas(struct ospf_area *area);
+
+/** @brief Check if the LSA is an indication LSA.
+ *  @param lsa pointer.
+ *  @return true or false based on lsa info.
+ */
+static inline bool ospf_check_indication_lsa(struct ospf_lsa *lsa)
+{
+       struct summary_lsa *sl = NULL;
+
+       if (lsa->data->type == OSPF_ASBR_SUMMARY_LSA) {
+               sl = (struct summary_lsa *)lsa->data;
+               if ((GET_METRIC(sl->metric) == OSPF_LS_INFINITY) &&
+                   !CHECK_FLAG(lsa->data->options, OSPF_OPTION_DC))
+                       return true;
+       }
+
+       return false;
+}
 #endif /* _ZEBRA_OSPF_LSA_H */