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ospf6_interface.h
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2003 Yasuhiro Ohara
*/
#ifndef OSPF6_INTERFACE_H
#define OSPF6_INTERFACE_H
#include "qobj.h"
#include "hook.h"
#include "if.h"
#include "ospf6d.h"
DECLARE_MTYPE(OSPF6_AUTH_MANUAL_KEY);
/* Debug option */
extern unsigned char conf_debug_ospf6_interface;
#define OSPF6_DEBUG_INTERFACE_ON() (conf_debug_ospf6_interface = 1)
#define OSPF6_DEBUG_INTERFACE_OFF() (conf_debug_ospf6_interface = 0)
#define IS_OSPF6_DEBUG_INTERFACE (conf_debug_ospf6_interface)
struct ospf6_auth_data {
/* config data */
uint8_t hash_algo; /* hash algorithm type */
uint16_t key_id; /* key-id used as SA in auth packet */
char *auth_key; /* Auth key */
char *keychain; /* keychain name */
/* operational data */
uint8_t flags; /* Flags related to auth config */
/* Counters and Statistics */
uint32_t tx_drop; /* Pkt drop due to auth fail while sending */
uint32_t rx_drop; /* Pkt drop due to auth fail while reading */
};
PREDECL_RBTREE_UNIQ(ospf6_if_p2xp_neighcfgs);
struct ospf6_if_p2xp_neighcfg {
struct ospf6_if_p2xp_neighcfgs_item item;
struct ospf6_interface *ospf6_if;
struct in6_addr addr;
bool cfg_cost : 1;
uint32_t cost;
uint16_t poll_interval;
/* NULL if down */
struct ospf6_neighbor *active;
struct event *t_unicast_hello;
};
/* Interface structure */
struct ospf6_interface {
/* IF info from zebra */
struct interface *interface;
/* back pointer */
struct ospf6_area *area;
uint32_t area_id;
int area_id_format;
/* list of ospf6 neighbor */
struct list *neighbor_list;
/* linklocal address of this I/F */
struct in6_addr *linklocal_addr;
/* Interface ID; use interface->ifindex */
/* ospf6 instance id */
uint8_t instance_id;
/* I/F transmission delay */
uint32_t transdelay;
/* Packet send buffer. */
struct ospf6_fifo *obuf; /* Output queue */
/* Network Type */
uint8_t type;
bool type_cfg;
/* P2P/P2MP behavior: */
/* disable hellos on standard multicast? */
bool p2xp_no_multicast_hello;
/* only allow explicitly configured neighbors? */
bool p2xp_only_cfg_neigh;
/* override mode default for advertising connected prefixes.
* both false by default (= do include for PtP, exclude for PtMP)
*/
bool p2xp_connected_pfx_include;
bool p2xp_connected_pfx_exclude;
struct ospf6_if_p2xp_neighcfgs_head p2xp_neighs;
/* Router Priority */
uint8_t priority;
/* Time Interval */
uint16_t hello_interval;
uint16_t dead_interval;
uint32_t rxmt_interval;
/* Graceful-Restart data. */
struct {
struct {
uint16_t interval;
uint16_t elapsed_seconds;
struct event *t_grace_send;
} hello_delay;
} gr;
uint32_t state_change;
/* Cost */
uint32_t cost;
/* I/F MTU */
uint32_t ifmtu;
/* Configured MTU */
uint32_t c_ifmtu;
/* Interface State */
uint8_t state;
/* Interface socket setting trial counter, resets on success */
uint8_t sso_try_cnt;
struct event *thread_sso;
/* OSPF6 Interface flag */
char flag;
/* MTU mismatch check */
uint8_t mtu_ignore;
/* Authentication trailer related config */
struct ospf6_auth_data at_data;
/* Decision of DR Election */
in_addr_t drouter;
in_addr_t bdrouter;
in_addr_t prev_drouter;
in_addr_t prev_bdrouter;
/* Linklocal LSA Database: includes Link-LSA */
struct ospf6_lsdb *lsdb;
struct ospf6_lsdb *lsdb_self;
struct ospf6_lsdb *lsupdate_list;
struct ospf6_lsdb *lsack_list;
/* Ongoing Tasks */
struct event *thread_send_hello;
struct event *thread_send_lsupdate;
struct event *thread_send_lsack;
struct event *thread_network_lsa;
struct event *thread_link_lsa;
struct event *thread_intra_prefix_lsa;
struct event *thread_as_extern_lsa;
struct event *thread_wait_timer;
struct ospf6_route_table *route_connected;
/* last hello sent */
struct timeval last_hello;
/* prefix-list name to filter connected prefix */
char *plist_name;
/* BFD information */
struct {
bool enabled;
uint8_t detection_multiplier;
uint32_t min_rx;
uint32_t min_tx;
char *profile;
} bfd_config;
int on_write_q;
/* Statistics Fields */
uint32_t hello_in;
uint32_t hello_out;
uint32_t db_desc_in;
uint32_t db_desc_out;
uint32_t ls_req_in;
uint32_t ls_req_out;
uint32_t ls_upd_in;
uint32_t ls_upd_out;
uint32_t ls_ack_in;
uint32_t ls_ack_out;
uint32_t discarded;
QOBJ_FIELDS;
};
DECLARE_QOBJ_TYPE(ospf6_interface);
/* interface state */
#define OSPF6_INTERFACE_NONE 0
#define OSPF6_INTERFACE_DOWN 1
#define OSPF6_INTERFACE_LOOPBACK 2
#define OSPF6_INTERFACE_WAITING 3
#define OSPF6_INTERFACE_POINTTOPOINT 4
#define OSPF6_INTERFACE_POINTTOMULTIPOINT 5
#define OSPF6_INTERFACE_DROTHER 6
#define OSPF6_INTERFACE_BDR 7
#define OSPF6_INTERFACE_DR 8
#define OSPF6_INTERFACE_MAX 9
extern const char *const ospf6_interface_state_str[];
/* flags */
#define OSPF6_INTERFACE_DISABLE 0x01
#define OSPF6_INTERFACE_PASSIVE 0x02
#define OSPF6_INTERFACE_NOAUTOCOST 0x04
/* default values */
#define OSPF6_INTERFACE_HELLO_INTERVAL 10
#define OSPF6_INTERFACE_DEAD_INTERVAL 40
#define OSPF6_INTERFACE_RXMT_INTERVAL 5
#define OSPF6_INTERFACE_COST 1
#define OSPF6_INTERFACE_PRIORITY 1
#define OSPF6_INTERFACE_TRANSDELAY 1
#define OSPF6_INTERFACE_INSTANCE_ID 0
#define OSPF6_INTERFACE_BANDWIDTH 10000 /* Mbps */
#define OSPF6_REFERENCE_BANDWIDTH 100000 /* Kbps */
#define OSPF6_INTERFACE_SSO_RETRY_INT 1
#define OSPF6_INTERFACE_SSO_RETRY_MAX 5
/* Function Prototypes */
extern void ospf6_interface_start(struct ospf6_interface *oi);
extern void ospf6_interface_stop(struct ospf6_interface *oi);
extern struct ospf6_interface *
ospf6_interface_lookup_by_ifindex(ifindex_t, vrf_id_t vrf_id);
extern struct ospf6_interface *ospf6_interface_create(struct interface *ifp);
extern void ospf6_interface_delete(struct ospf6_interface *oi);
extern void ospf6_interface_enable(struct ospf6_interface *oi);
extern void ospf6_interface_disable(struct ospf6_interface *oi);
extern void ospf6_interface_state_update(struct interface *ifp);
extern void ospf6_interface_connected_route_update(struct interface *ifp);
extern struct in6_addr *
ospf6_interface_get_global_address(struct interface *ifp);
/* interface event */
extern void interface_up(struct event *thread);
extern void interface_down(struct event *thread);
extern void wait_timer(struct event *thread);
extern void backup_seen(struct event *thread);
extern void neighbor_change(struct event *thread);
extern void ospf6_interface_init(void);
extern void ospf6_interface_clear(struct interface *ifp);
extern void install_element_ospf6_clear_interface(void);
extern int config_write_ospf6_debug_interface(struct vty *vty);
extern void install_element_ospf6_debug_interface(void);
extern int ospf6_interface_neighbor_count(struct ospf6_interface *oi);
extern uint8_t dr_election(struct ospf6_interface *oi);
extern void ospf6_interface_auth_trailer_cmd_init(void);
extern void ospf6_auth_write_config(struct vty *vty,
struct ospf6_auth_data *at_data);
DECLARE_HOOK(ospf6_interface_change,
(struct ospf6_interface * oi, int state, int old_state),
(oi, state, old_state));
#endif /* OSPF6_INTERFACE_H */