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Diffstat (limited to 'ospf6d/ospf6_interface.h')
| -rw-r--r-- | ospf6d/ospf6_interface.h | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/ospf6d/ospf6_interface.h b/ospf6d/ospf6_interface.h new file mode 100644 index 0000000..9a57a7f --- /dev/null +++ b/ospf6d/ospf6_interface.h @@ -0,0 +1,252 @@ +/* + * Copyright (C) 2003 Yasuhiro Ohara + * + * 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 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 */ +}; + +/* 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; + + /* Router Priority */ + uint8_t priority; + + /* Time Interval */ + uint16_t hello_interval; + uint16_t dead_interval; + uint32_t rxmt_interval; + + 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 thread *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 thread *thread_send_hello; + struct thread *thread_send_lsupdate; + struct thread *thread_send_lsack; + + struct thread *thread_network_lsa; + struct thread *thread_link_lsa; + struct thread *thread_intra_prefix_lsa; + struct thread *thread_as_extern_lsa; + struct thread *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_DROTHER 5 +#define OSPF6_INTERFACE_BDR 6 +#define OSPF6_INTERFACE_DR 7 +#define OSPF6_INTERFACE_MAX 8 + +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 /* Mbps */ +#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 thread *thread); +extern void interface_down(struct thread *thread); +extern void wait_timer(struct thread *thread); +extern void backup_seen(struct thread *thread); +extern void neighbor_change(struct thread *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 */ |