* IS-IS Rout(e)ing protocol - isis_circuit.h
*
* Copyright (C) 2001,2002 Sampo Saaristo
- * Tampere University of Technology
+ * Tampere University of Technology
* Institute of Communications Engineering
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public Licenseas published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public Licenseas published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
- * This program 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
+ * This program 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; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * 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 ISIS_CIRCUIT_H
#include "vty.h"
#include "if.h"
#include "qobj.h"
+#include "prefix.h"
+#include "ferr.h"
#include "isis_constants.h"
#include "isis_common.h"
-#define CIRCUIT_MAX 255
+struct isis_lsp;
+
+struct password {
+ struct password *next;
+ int len;
+ uint8_t *pass;
+};
-struct password
-{
- struct password *next;
- int len;
- u_char *pass;
+struct metric {
+ uint8_t metric_default;
+ uint8_t metric_error;
+ uint8_t metric_expense;
+ uint8_t metric_delay;
};
-struct metric
-{
- u_char metric_default;
- u_char metric_error;
- u_char metric_expense;
- u_char metric_delay;
+struct isis_bcast_info {
+ uint8_t snpa[ETH_ALEN]; /* SNPA of this circuit */
+ char run_dr_elect[2]; /* Should we run dr election ? */
+ struct thread *t_run_dr[2]; /* DR election thread */
+ struct thread *t_send_lan_hello[2]; /* send LAN IIHs in this thread */
+ struct list *adjdb[2]; /* adjacency dbs */
+ struct list *lan_neighs[2]; /* list of lx neigh snpa */
+ char is_dr[2]; /* Are we level x DR ? */
+ uint8_t l1_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-1 DR */
+ uint8_t l2_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-2 DR */
+ struct thread *t_refresh_pseudo_lsp[2]; /* refresh pseudo-node LSPs */
};
-struct isis_bcast_info
-{
- u_char snpa[ETH_ALEN]; /* SNPA of this circuit */
- char run_dr_elect[2]; /* Should we run dr election ? */
- struct thread *t_run_dr[2]; /* DR election thread */
- struct thread *t_send_lan_hello[2]; /* send LAN IIHs in this thread */
- struct list *adjdb[2]; /* adjacency dbs */
- struct list *lan_neighs[2]; /* list of lx neigh snpa */
- char is_dr[2]; /* Are we level x DR ? */
- u_char l1_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-1 DR */
- u_char l2_desig_is[ISIS_SYS_ID_LEN + 1]; /* level-2 DR */
- struct thread *t_refresh_pseudo_lsp[2]; /* refresh pseudo-node LSPs */
+struct isis_p2p_info {
+ struct isis_adjacency *neighbor;
+ struct thread *t_send_p2p_hello; /* send P2P IIHs in this thread */
};
-struct isis_p2p_info
-{
- struct isis_adjacency *neighbor;
- struct thread *t_send_p2p_hello; /* send P2P IIHs in this thread */
+struct bfd_info;
+
+struct isis_circuit_arg {
+ int level;
+ struct isis_circuit *circuit;
};
-struct isis_circuit
-{
- int state;
- u_char circuit_id; /* l1/l2 p2p/bcast CircuitID */
- struct isis_area *area; /* back pointer to the area */
- struct interface *interface; /* interface info from z */
- int fd; /* IS-IS l1/2 socket */
- int sap_length; /* SAP length for DLPI */
- struct nlpids nlpids;
- /*
- * Threads
- */
- struct thread *t_read;
- struct thread *t_send_csnp[2];
- struct thread *t_send_psnp[2];
- struct list *lsp_queue; /* LSPs to be txed (both levels) */
- time_t lsp_queue_last_cleared;/* timestamp used to enforce transmit interval;
- * for scalability, use one timestamp per
- * circuit, instead of one per lsp per circuit
- */
- /* there is no real point in two streams, just for programming kicker */
- int (*rx) (struct isis_circuit * circuit, u_char * ssnpa);
- struct stream *rcv_stream; /* Stream for receiving */
- int (*tx) (struct isis_circuit * circuit, int level);
- struct stream *snd_stream; /* Stream for sending */
- int idx; /* idx in S[RM|SN] flags */
+struct isis_circuit {
+ int state;
+ uint8_t circuit_id; /* l1/l2 bcast CircuitID */
+ struct isis_area *area; /* back pointer to the area */
+ struct interface *interface; /* interface info from z */
+ int fd; /* IS-IS l1/2 socket */
+ int sap_length; /* SAP length for DLPI */
+ struct nlpids nlpids;
+ /*
+ * Threads
+ */
+ struct thread *t_read;
+ struct thread *t_send_csnp[2];
+ struct thread *t_send_psnp[2];
+ struct isis_tx_queue *tx_queue;
+ struct isis_circuit_arg level_arg[2]; /* used as argument for threads */
+
+ /* there is no real point in two streams, just for programming kicker */
+ int (*rx)(struct isis_circuit *circuit, uint8_t *ssnpa);
+ struct stream *rcv_stream; /* Stream for receiving */
+ int (*tx)(struct isis_circuit *circuit, int level);
+ struct stream *snd_stream; /* Stream for sending */
+ int idx; /* idx in S[RM|SN] flags */
#define CIRCUIT_T_UNKNOWN 0
#define CIRCUIT_T_BROADCAST 1
#define CIRCUIT_T_P2P 2
#define CIRCUIT_T_LOOPBACK 3
- int circ_type; /* type of the physical interface */
- int circ_type_config; /* config type of the physical interface */
- union
- {
- struct isis_bcast_info bc;
- struct isis_p2p_info p2p;
- } u;
- u_char priority[2]; /* l1/2 IS configured priority */
- int pad_hellos; /* add padding to Hello PDUs ? */
- char ext_domain; /* externalDomain (boolean) */
- int lsp_regenerate_pending[ISIS_LEVELS];
- /*
- * Configurables
- */
- struct isis_passwd passwd; /* Circuit rx/tx password */
- int is_type; /* circuit is type == level of circuit
- * differentiated from circuit type (media) */
- u_int32_t hello_interval[2]; /* l1HelloInterval in msecs */
- u_int16_t hello_multiplier[2]; /* l1HelloMultiplier */
- u_int16_t csnp_interval[2]; /* level-1 csnp-interval in seconds */
- u_int16_t psnp_interval[2]; /* level-1 psnp-interval in seconds */
- u_int8_t metric[2];
- u_int32_t te_metric[2];
- struct mpls_te_circuit *mtc; /* Support for MPLS-TE parameters - see isis_te.[c,h] */
- int ip_router; /* Route IP ? */
- int is_passive; /* Is Passive ? */
- struct list *mt_settings; /* IS-IS MT Settings */
- struct list *ip_addrs; /* our IP addresses */
- int ipv6_router; /* Route IPv6 ? */
- struct list *ipv6_link; /* our link local IPv6 addresses */
- struct list *ipv6_non_link; /* our non-link local IPv6 addresses */
- u_int16_t upadjcount[2];
+ int circ_type; /* type of the physical interface */
+ int circ_type_config; /* config type of the physical interface */
+ union {
+ struct isis_bcast_info bc;
+ struct isis_p2p_info p2p;
+ } u;
+ uint8_t priority[2]; /* l1/2 IS configured priority */
+ int pad_hellos; /* add padding to Hello PDUs ? */
+ char ext_domain; /* externalDomain (boolean) */
+ int lsp_regenerate_pending[ISIS_LEVELS];
+ /*
+ * Configurables
+ */
+ struct isis_passwd passwd; /* Circuit rx/tx password */
+ int is_type; /* circuit is type == level of circuit
+ * differentiated from circuit type (media) */
+ uint32_t hello_interval[2]; /* hello-interval in seconds */
+ uint16_t hello_multiplier[2]; /* hello-multiplier */
+ uint16_t csnp_interval[2]; /* csnp-interval in seconds */
+ uint16_t psnp_interval[2]; /* psnp-interval in seconds */
+ uint8_t metric[2];
+ uint32_t te_metric[2];
+ struct mpls_te_circuit
+ *mtc; /* Support for MPLS-TE parameters - see isis_te.[c,h] */
+ int ip_router; /* Route IP ? */
+ int is_passive; /* Is Passive ? */
+ struct list *mt_settings; /* IS-IS MT Settings */
+ struct list *ip_addrs; /* our IP addresses */
+ int ipv6_router; /* Route IPv6 ? */
+ struct list *ipv6_link; /* our link local IPv6 addresses */
+ struct list *ipv6_non_link; /* our non-link local IPv6 addresses */
+ uint16_t upadjcount[2];
#define ISIS_CIRCUIT_FLAPPED_AFTER_SPF 0x01
- u_char flags;
- /*
- * Counters as in 10589--11.2.5.9
- */
- u_int32_t adj_state_changes; /* changesInAdjacencyState */
- u_int32_t init_failures; /* intialisationFailures */
- u_int32_t ctrl_pdus_rxed; /* controlPDUsReceived */
- u_int32_t ctrl_pdus_txed; /* controlPDUsSent */
- u_int32_t desig_changes[2]; /* lanLxDesignatedIntermediateSystemChanges */
- u_int32_t rej_adjacencies; /* rejectedAdjacencies */
-
- QOBJ_FIELDS
+ uint8_t flags;
+ bool disable_threeway_adj;
+ struct bfd_info *bfd_info;
+ /*
+ * Counters as in 10589--11.2.5.9
+ */
+ uint32_t adj_state_changes; /* changesInAdjacencyState */
+ uint32_t init_failures; /* intialisationFailures */
+ uint32_t ctrl_pdus_rxed; /* controlPDUsReceived */
+ uint32_t ctrl_pdus_txed; /* controlPDUsSent */
+ uint32_t
+ desig_changes[2]; /* lanLxDesignatedIntermediateSystemChanges */
+ uint32_t rej_adjacencies; /* rejectedAdjacencies */
+
+ QOBJ_FIELDS
};
DECLARE_QOBJ_TYPE(isis_circuit)
-void isis_circuit_init (void);
-struct isis_circuit *isis_circuit_new (void);
-void isis_circuit_del (struct isis_circuit *circuit);
-struct isis_circuit *circuit_lookup_by_ifp (struct interface *ifp,
- struct list *list);
-struct isis_circuit *circuit_scan_by_ifp (struct interface *ifp);
-void isis_circuit_configure (struct isis_circuit *circuit,
- struct isis_area *area);
-void isis_circuit_deconfigure (struct isis_circuit *circuit,
- struct isis_area *area);
-void isis_circuit_if_add (struct isis_circuit *circuit,
- struct interface *ifp);
-void isis_circuit_if_del (struct isis_circuit *circuit,
- struct interface *ifp);
-void isis_circuit_if_bind (struct isis_circuit *circuit,
- struct interface *ifp);
-void isis_circuit_if_unbind (struct isis_circuit *circuit,
- struct interface *ifp);
-void isis_circuit_add_addr (struct isis_circuit *circuit,
- struct connected *conn);
-void isis_circuit_del_addr (struct isis_circuit *circuit,
- struct connected *conn);
-void isis_circuit_prepare (struct isis_circuit *circuit);
-int isis_circuit_up (struct isis_circuit *circuit);
-void isis_circuit_down (struct isis_circuit *);
-void circuit_update_nlpids (struct isis_circuit *circuit);
-void isis_circuit_print_vty (struct isis_circuit *circuit, struct vty *vty,
- char detail);
+void isis_circuit_init(void);
+struct isis_circuit *isis_circuit_new(void);
+void isis_circuit_del(struct isis_circuit *circuit);
+struct isis_circuit *circuit_lookup_by_ifp(struct interface *ifp,
+ struct list *list);
+struct isis_circuit *circuit_scan_by_ifp(struct interface *ifp);
+void isis_circuit_configure(struct isis_circuit *circuit,
+ struct isis_area *area);
+void isis_circuit_deconfigure(struct isis_circuit *circuit,
+ struct isis_area *area);
+void isis_circuit_if_add(struct isis_circuit *circuit, struct interface *ifp);
+void isis_circuit_if_del(struct isis_circuit *circuit, struct interface *ifp);
+void isis_circuit_if_bind(struct isis_circuit *circuit, struct interface *ifp);
+void isis_circuit_if_unbind(struct isis_circuit *circuit,
+ struct interface *ifp);
+void isis_circuit_add_addr(struct isis_circuit *circuit,
+ struct connected *conn);
+void isis_circuit_del_addr(struct isis_circuit *circuit,
+ struct connected *conn);
+void isis_circuit_prepare(struct isis_circuit *circuit);
+int isis_circuit_up(struct isis_circuit *circuit);
+void isis_circuit_down(struct isis_circuit *);
+void circuit_update_nlpids(struct isis_circuit *circuit);
+void isis_circuit_print_vty(struct isis_circuit *circuit, struct vty *vty,
+ char detail);
size_t isis_circuit_pdu_size(struct isis_circuit *circuit);
void isis_circuit_stream(struct isis_circuit *circuit, struct stream **stream);
-struct isis_circuit *isis_circuit_create (struct isis_area *area, struct interface *ifp);
-void isis_circuit_af_set (struct isis_circuit *circuit, bool ip_router, bool ipv6_router);
-int isis_circuit_passive_set (struct isis_circuit *circuit, bool passive);
-void isis_circuit_is_type_set (struct isis_circuit *circuit, int is_type);
-int isis_circuit_circ_type_set (struct isis_circuit *circuit, int circ_type);
-
-int isis_circuit_metric_set (struct isis_circuit *circuit, int level, int metric);
-
-int isis_circuit_passwd_unset (struct isis_circuit *circuit);
-int isis_circuit_passwd_cleartext_set (struct isis_circuit *circuit, const char *passwd);
-int isis_circuit_passwd_hmac_md5_set (struct isis_circuit *circuit, const char *passwd);
-
-int isis_circuit_mt_enabled_set (struct isis_circuit *circuit, uint16_t mtid, bool enabled);
+struct isis_circuit *isis_circuit_create(struct isis_area *area,
+ struct interface *ifp);
+void isis_circuit_af_set(struct isis_circuit *circuit, bool ip_router,
+ bool ipv6_router);
+ferr_r isis_circuit_passive_set(struct isis_circuit *circuit, bool passive);
+void isis_circuit_is_type_set(struct isis_circuit *circuit, int is_type);
+void isis_circuit_circ_type_set(struct isis_circuit *circuit, int circ_type);
+
+ferr_r isis_circuit_metric_set(struct isis_circuit *circuit, int level,
+ int metric);
+
+ferr_r isis_circuit_passwd_unset(struct isis_circuit *circuit);
+ferr_r isis_circuit_passwd_cleartext_set(struct isis_circuit *circuit,
+ const char *passwd);
+ferr_r isis_circuit_passwd_hmac_md5_set(struct isis_circuit *circuit,
+ const char *passwd);
+
+int isis_circuit_mt_enabled_set(struct isis_circuit *circuit, uint16_t mtid,
+ bool enabled);
+
+DECLARE_HOOK(isis_circuit_config_write,
+ (struct isis_circuit *circuit, struct vty *vty),
+ (circuit, vty))
#endif /* _ZEBRA_ISIS_CIRCUIT_H */