ospf6d/ospf6_nssa.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * OSPFv3 Not So Stubby Area implementation.
   4  *
   5  * Copyright (C) 2021 Kaushik Nath
   6  * Copyright (C) 2021 Soman K.S
   7  */
   8
   9 #ifndef OSPF6_NSSA_H
  10 #define OSPF6_NSSA_H
  11
  12 #define OSPF6_OPTION_NP         0x08
  13 #define OSPF6_LS_INFINITY       0xffffff
  14
  15 #define OSPF6_OPT_N             (1 << 3) /* Handling Type-7 LSA Capability */
  16
  17 #define OSPF6_DEBUG_NSSA        0x09
  18 /* Debug option */
  19 extern unsigned char config_debug_ospf6_nssa;
  20
  21 #define OSPF6_DEBUG_NSSA_ON() (config_debug_ospf6_nssa = 1)
  22 #define OSPF6_DEBUG_NSSA_OFF() (config_debug_ospf6_nssa = 0)
  23 #define IS_OSPF6_DEBUG_NSSA config_debug_ospf6_nssa
  24
  25 #define CHECK_LSA_TYPE_1_TO_5_OR_7(type)                                       \
  26         ((type == OSPF6_ROUTER_LSA_MIN_SIZE)                                   \
  27          || (type == OSPF6_NETWORK_LSA_MIN_SIZE)                               \
  28          || (type == OSPF6_LINK_LSA_MIN_SIZE)                                  \
  29          || (type == OSPF6_INTRA_PREFIX_LSA_MIN_SIZE)                          \
  30          || (type == OSPF6_AS_NSSA_LSA))
  31
  32 #define OSPF6_LSA_APPROVED      0x08
  33 #define OSPF6_LSA_LOCAL_XLT     0x40
  34
  35 #define OSPF6_ABR_TASK_DELAY    5
  36
  37 int ospf6_area_nssa_no_summary_set(struct ospf6 *ospf6, struct in_addr area_id);
  38 int ospf6_area_nssa_unset(struct ospf6 *ospf6, struct ospf6_area *area);
  39 int ospf6_area_nssa_set(struct ospf6 *ospf6, struct ospf6_area *area);
  40
  41 extern void ospf6_nssa_lsa_flush(struct ospf6 *ospf6, struct prefix_ipv6 *p);
  42 extern struct ospf6_lsa *ospf6_translated_nssa_refresh(struct ospf6_area *oa,
  43                                                        struct ospf6_lsa *type7,
  44                                                        struct ospf6_lsa *type5);
  45
  46 extern void ospf6_asbr_nssa_redist_task(struct ospf6 *ospf6);
  47
  48 extern void ospf6_schedule_abr_task(struct ospf6 *ospf6);
  49 extern void ospf6_area_nssa_update(struct ospf6_area *area);
  50 void ospf6_asbr_prefix_readvertise(struct ospf6 *ospf6);
  51 extern void ospf6_nssa_lsa_originate(struct ospf6_route *route,
  52                                      struct ospf6_area *area, bool p_bit);
  53 extern void install_element_ospf6_debug_nssa(void);
  54 extern void ospf6_abr_nssa_type_7_defaults(struct ospf6 *osof6);
  55 int ospf6_redistribute_check(struct ospf6 *ospf6, struct ospf6_route *route,
  56                              int type);
  57 extern void ospf6_abr_check_translate_nssa(struct ospf6_area *area,
  58                                            struct ospf6_lsa *lsa);
  59 extern void ospf6_abr_nssa_check_status(struct ospf6 *ospf6);
  60 extern void config_write_ospf6_debug_nssa(struct vty *vty);
  61 #endif /* OSPF6_NSSA_H */