#include "lib/lists.h"
#include "lib/resource.h"
#include "lib/timer.h"
+#include "nest/route.h"
#include "conf/conf.h"
struct iface;
int name_counter; /* Counter for automatic name generation */
int attr_class; /* Attribute class known to this protocol */
int multitable; /* Protocol handles all announce hooks itself */
- unsigned preference; /* Default protocol preference */
+ uint preference; /* Default protocol preference */
+ uint config_size; /* Size of protocol config */
void (*preconfig)(struct protocol *, struct config *); /* Just before configuring */
void (*postconfig)(struct proto_config *); /* After configuring each instance */
extern struct protocol
proto_device, proto_radv, proto_rip, proto_static,
- proto_ospf, proto_pipe, proto_bgp;
+ proto_ospf, proto_pipe, proto_bgp, proto_bfd, proto_babel;
/*
* Routing Protocol Instance
unsigned preference, disabled; /* Generic parameters */
int in_keep_filtered; /* Routes rejected in import filter are kept */
u32 router_id; /* Protocol specific router ID */
+ struct iface *vrf; /* Related VRF instance, NULL if global */
struct rtable_config *table; /* Table we're attached to */
struct filter *in_filter, *out_filter; /* Attached filters */
+ struct proto_limit *rx_limit; /* Limit for receiving routes from protocol
+ (relevant when in_keep_filtered is active) */
struct proto_limit *in_limit; /* Limit for importing routes from protocol */
struct proto_limit *out_limit; /* Limit for exporting routes to protocol */
u32 exp_updates_received; /* Number of route updates received */
u32 exp_updates_rejected; /* Number of route updates rejected by protocol */
u32 exp_updates_filtered; /* Number of route updates rejected by filters */
- u32 exp_updates_accepted; /* Number of route updates accepted and exported */
+ u32 exp_updates_accepted; /* Number of route updates accepted and exported */
u32 exp_withdraws_received; /* Number of route withdraws received */
u32 exp_withdraws_accepted; /* Number of route withdraws accepted and processed */
};
byte disabled; /* Manually disabled */
byte proto_state; /* Protocol state machine (PS_*, see below) */
byte core_state; /* Core state machine (FS_*, see below) */
- byte core_goal; /* State we want to reach (FS_*, see below) */
+ byte export_state; /* Route export state (ES_*, see below) */
byte reconfiguring; /* We're shutting down due to reconfiguration */
- byte refeeding; /* We are refeeding (valid only if core_state == FS_FEEDING) */
+ byte refeeding; /* We are refeeding (valid only if export_state == ES_FEEDING) */
byte flushing; /* Protocol is flushed in current flush loop round */
+ byte gr_recovery; /* Protocol should participate in graceful restart recovery */
+ byte gr_lock; /* Graceful restart mechanism should wait for this proto */
+ byte gr_wait; /* Route export to protocol is postponed until graceful restart */
byte down_sched; /* Shutdown is scheduled for later (PDS_*) */
byte down_code; /* Reason for shutdown (PDC_* codes) */
+ byte merge_limit; /* Maximal number of nexthops for RA_MERGED */
u32 hash_key; /* Random key used for hashing of neighbors */
bird_clock_t last_state_change; /* Time of last state transition */
char *last_state_name_announced; /* Last state name we've announced to the user */
* reload_routes Request protocol to reload all its routes to the core
* (using rte_update()). Returns: 0=reload cannot be done,
* 1= reload is scheduled and will happen (asynchronously).
+ * feed_begin Notify protocol about beginning of route feeding.
+ * feed_end Notify protocol about finish of route feeding.
*/
void (*if_notify)(struct proto *, unsigned flags, struct iface *i);
void (*store_tmp_attrs)(struct rte *rt, struct ea_list *attrs);
int (*import_control)(struct proto *, struct rte **rt, struct ea_list **attrs, struct linpool *pool);
int (*reload_routes)(struct proto *);
+ void (*feed_begin)(struct proto *, int initial);
+ void (*feed_end)(struct proto *);
/*
- * Routing entry hooks (called only for rte's belonging to this protocol):
+ * Routing entry hooks (called only for routes belonging to this protocol):
*
- * rte_recalculate Called at the beginning of the best route selection
+ * rte_recalculate Called at the beginning of the best route selection
* rte_better Compare two rte's and decide which one is better (1=first, 0=second).
* rte_same Compare two rte's and decide whether they are identical (1=yes, 0=no).
+ * rte_mergable Compare two rte's and decide whether they could be merged (1=yes, 0=no).
* rte_insert Called whenever a rte is inserted to a routing table.
* rte_remove Called whenever a rte is removed from the routing table.
*/
int (*rte_recalculate)(struct rtable *, struct network *, struct rte *, struct rte *, struct rte *);
int (*rte_better)(struct rte *, struct rte *);
int (*rte_same)(struct rte *, struct rte *);
+ int (*rte_mergable)(struct rte *, struct rte *);
void (*rte_insert)(struct network *, struct rte *);
void (*rte_remove)(struct network *, struct rte *);
+ struct iface *vrf; /* Related VRF instance, NULL if global */
struct rtable *table; /* Our primary routing table */
+ struct rte_src *main_source; /* Primary route source */
struct announce_hook *main_ahook; /* Primary announcement hook */
struct announce_hook *ahooks; /* Announcement hooks for this protocol */
#define PDC_CMD_DISABLE 0x11 /* Result of disable command */
#define PDC_CMD_RESTART 0x12 /* Result of restart command */
#define PDC_CMD_SHUTDOWN 0x13 /* Result of global shutdown */
-#define PDC_IN_LIMIT_HIT 0x21 /* Route import limit reached */
-#define PDC_OUT_LIMIT_HIT 0x22 /* Route export limit reached */
+#define PDC_RX_LIMIT_HIT 0x21 /* Route receive limit reached */
+#define PDC_IN_LIMIT_HIT 0x22 /* Route import limit reached */
+#define PDC_OUT_LIMIT_HIT 0x23 /* Route export limit reached */
void *proto_new(struct proto_config *, unsigned size);
-void *proto_config_new(struct protocol *, unsigned size, int class);
+void *proto_config_new(struct protocol *, int class);
void proto_copy_config(struct proto_config *dest, struct proto_config *src);
void proto_request_feeding(struct proto *p);
proto_copy_rest(struct proto_config *dest, struct proto_config *src, unsigned size)
{ memcpy(dest + 1, src + 1, size - sizeof(struct proto_config)); }
+void graceful_restart_recovery(void);
+void graceful_restart_init(void);
+void graceful_restart_show_status(void);
+void proto_graceful_restart_lock(struct proto *p);
+void proto_graceful_restart_unlock(struct proto *p);
+
+#define DEFAULT_GR_WAIT 240
void proto_show_limit(struct proto_limit *l, const char *dsc);
void proto_show_basic_info(struct proto *p);
-void proto_cmd_show(struct proto *, unsigned int, int);
-void proto_cmd_disable(struct proto *, unsigned int, int);
-void proto_cmd_enable(struct proto *, unsigned int, int);
-void proto_cmd_restart(struct proto *, unsigned int, int);
-void proto_cmd_reload(struct proto *, unsigned int, int);
-void proto_cmd_debug(struct proto *, unsigned int, int);
-void proto_cmd_mrtdump(struct proto *, unsigned int, int);
+void proto_cmd_show(struct proto *, uint, int);
+void proto_cmd_disable(struct proto *, uint, int);
+void proto_cmd_enable(struct proto *, uint, int);
+void proto_cmd_restart(struct proto *, uint, int);
+void proto_cmd_reload(struct proto *, uint, int);
+void proto_cmd_debug(struct proto *, uint, int);
+void proto_cmd_mrtdump(struct proto *, uint, int);
-void proto_apply_cmd(struct proto_spec ps, void (* cmd)(struct proto *, unsigned int, int), int restricted, unsigned int arg);
+void proto_apply_cmd(struct proto_spec ps, void (* cmd)(struct proto *, uint, int), int restricted, uint arg);
struct proto *proto_get_named(struct symbol *, struct protocol *);
#define CMD_RELOAD 0
return pc->router_id ? pc->router_id : pc->global->router_id;
}
+static inline struct ea_list *
+rte_make_tmp_attrs(struct rte *rt, struct linpool *pool)
+{
+ struct ea_list *(*mta)(struct rte *rt, struct linpool *pool);
+ mta = rt->attrs->src->proto->make_tmp_attrs;
+ return mta ? mta(rt, pool) : NULL;
+}
+
+/* Moved from route.h to avoid dependency conflicts */
+static inline void rte_update(struct proto *p, net *net, rte *new) { rte_update2(p->main_ahook, net, new, p->main_source); }
+
extern list active_proto_list;
/*
* FEEDING/UP --> HAPPY/UP --> FLUSHING/STOP|DOWN -->
* HUNGRY/STOP|DOWN --> HUNGRY/DOWN
*
- * Sometimes, protocol might switch from HAPPY/UP to FEEDING/UP
+ * Sometimes, protocol might switch from HAPPY/UP to FEEDING/UP
* if it wants to refeed the routes (for example BGP does so
* as a result of received ROUTE-REFRESH request).
*/
-#define FS_HUNGRY 0
-#define FS_FEEDING 1
-#define FS_HAPPY 2
-#define FS_FLUSHING 3
+#define FS_HUNGRY 0
+#define FS_FEEDING 1 /* obsolete */
+#define FS_HAPPY 2
+#define FS_FLUSHING 3
+
+
+#define ES_DOWN 0
+#define ES_FEEDING 1
+#define ES_READY 2
+
+
/*
* Debugging flags
#define D_EVENTS 16 /* Protocol events */
#define D_PACKETS 32 /* Packets sent/received */
+#ifndef PARSER
+#define TRACE(flags, msg, args...) \
+ do { if (p->p.debug & flags) log(L_TRACE "%s: " msg, p->p.name , ## args ); } while(0)
+#endif
+
+
/*
* MRTDump flags
*/
* Protocol limits
*/
+#define PLD_RX 0 /* Receive limit */
+#define PLD_IN 1 /* Import limit */
+#define PLD_OUT 2 /* Export limit */
+#define PLD_MAX 3
+
#define PLA_WARN 1 /* Issue log warning */
#define PLA_BLOCK 2 /* Block new routes */
#define PLA_RESTART 4 /* Force protocol restart */
byte state; /* State of limit (PLS_*) */
};
-void proto_notify_limit(struct announce_hook *ah, struct proto_limit *l, u32 rt_count);
+void proto_notify_limit(struct announce_hook *ah, struct proto_limit *l, int dir, u32 rt_count);
+void proto_verify_limits(struct announce_hook *ah);
static inline void
proto_reset_limit(struct proto_limit *l)
l->state = PLS_INITIAL;
}
-
+
/*
* Route Announcement Hook
*/
struct proto *proto;
struct filter *in_filter; /* Input filter */
struct filter *out_filter; /* Output filter */
+ struct proto_limit *rx_limit; /* Receive limit (for in_keep_filtered) */
struct proto_limit *in_limit; /* Input limit */
struct proto_limit *out_limit; /* Output limit */
struct proto_stats *stats; /* Per-table protocol statistics */
projects / thirdparty / bird.git / blobdiff