/* BGP-EVPN VRF ID. Defaults to default VRF (if any) */
struct bgp* bgp_evpn;
+ /* How big should we set the socket buffer size */
+ uint32_t socket_buffer;
+
bool terminating; /* global flag that sigint terminate seen */
QOBJ_FIELDS
};
BGP_INSTANCE_TYPE_VIEW
};
+
+/* BGP GR Global ds */
+
+#define GLOBAL_MODE 4
+#define EVENT_CMD 4
+
+/* Graceful restart selection deferral timer info */
+struct graceful_restart_info {
+ /* Count of EOR message expected */
+ uint32_t eor_required;
+ /* Count of EOR received */
+ uint32_t eor_received;
+ /* Deferral Timer */
+ struct thread *t_select_deferral;
+ /* Route list */
+ struct list *route_list;
+ /* Best route select */
+ struct thread *t_route_select;
+};
+
+enum global_mode {
+ GLOBAL_HELPER = 0, /* This is the default mode */
+ GLOBAL_GR,
+ GLOBAL_DISABLE,
+ GLOBAL_INVALID
+};
+
+enum global_gr_command {
+ GLOBAL_GR_CMD = 0,
+ NO_GLOBAL_GR_CMD,
+ GLOBAL_DISABLE_CMD,
+ NO_GLOBAL_DISABLE_CMD
+};
+
+#define BGP_GR_SUCCESS 0
+#define BGP_GR_FAILURE 1
+
/* BGP instance structure. */
struct bgp {
/* AS number of this BGP instance. */
#define BGP_FLAG_IMPORT_CHECK (1 << 9)
#define BGP_FLAG_NO_FAST_EXT_FAILOVER (1 << 10)
#define BGP_FLAG_LOG_NEIGHBOR_CHANGES (1 << 11)
+
+/* This flag is set when we have full BGP Graceful-Restart mode enable */
#define BGP_FLAG_GRACEFUL_RESTART (1 << 12)
+
#define BGP_FLAG_ASPATH_CONFED (1 << 13)
#define BGP_FLAG_ASPATH_MULTIPATH_RELAX (1 << 14)
#define BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY (1 << 15)
#define BGP_FLAG_GRACEFUL_SHUTDOWN (1 << 21)
#define BGP_FLAG_DELETE_IN_PROGRESS (1 << 22)
+
+ enum global_mode GLOBAL_GR_FSM[GLOBAL_MODE][EVENT_CMD];
+ enum global_mode global_gr_present_state;
+
/* BGP Per AF flags */
uint16_t af_flags[AFI_MAX][SAFI_MAX];
#define BGP_CONFIG_DAMPENING (1 << 0)
/* BGP default timer. */
uint32_t default_holdtime;
uint32_t default_keepalive;
+ uint32_t default_connect_retry;
/* BGP graceful restart */
uint32_t restart_time;
uint32_t stalepath_time;
+ uint32_t select_defer_time;
+ struct graceful_restart_info gr_info[AFI_MAX][SAFI_MAX];
/* Maximum-paths configuration */
struct bgp_maxpaths_cfg {
#define DEFAULT_EBGP_POLICY_DISABLED 0
#define DEFAULT_EBGP_POLICY_ENABLED 1
+ /* draft-ietf-idr-deprecate-as-set-confed-set
+ * Reject aspaths with AS_SET and/or AS_CONFED_SET.
+ */
+ bool reject_as_sets;
+#define BGP_REJECT_AS_SETS_DISABLED 0
+#define BGP_REJECT_AS_SETS_ENABLED 1
+
struct bgp_evpn_info *evpn_info;
/* EVPN - use RFC 8365 to auto-derive RT */
#define RMAP_OUT 1
#define RMAP_MAX 2
+#define BGP_DEFAULT_TTL 1
+
#include "filter.h"
/* BGP filter structure. */
safi_t safi;
int afid;
};
+/* BGP GR per peer ds */
+
+#define PEER_MODE 5
+#define PEER_EVENT_CMD 6
+
+enum peer_mode {
+ PEER_HELPER = 0,
+ PEER_GR,
+ PEER_DISABLE,
+ PEER_INVALID,
+ PEER_GLOBAL_INHERIT /* This is the default mode */
+
+};
+
+enum peer_gr_command {
+ PEER_GR_CMD = 0,
+ NO_PEER_GR_CMD,
+ PEER_DISABLE_cmd,
+ NO_PEER_DISABLE_CMD,
+ PEER_HELPER_CMD,
+ NO_PEER_HELPER_CMD
+};
+
+typedef unsigned int (*bgp_peer_gr_action_ptr)(struct peer *, int, int);
+
+struct bgp_peer_gr {
+ enum peer_mode next_state;
+ bgp_peer_gr_action_ptr action_fun;
+};
+
/* BGP neighbor structure. */
struct peer {
#define PEER_FLAG_LOCAL_AS (1 << 21) /* local-as */
#define PEER_FLAG_UPDATE_SOURCE (1 << 22) /* update-source */
+ /* BGP-GR Peer related flags */
+#define PEER_FLAG_GRACEFUL_RESTART_HELPER (1 << 23) /* Helper */
+#define PEER_FLAG_GRACEFUL_RESTART (1 << 24) /* Graceful Restart */
+#define PEER_FLAG_GRACEFUL_RESTART_GLOBAL_INHERIT (1 << 25) /* Global-Inherit */
+
+ /*
+ *GR-Disabled mode means unset PEER_FLAG_GRACEFUL_RESTART
+ *& PEER_FLAG_GRACEFUL_RESTART_HELPER
+ *and PEER_FLAG_GRACEFUL_RESTART_GLOBAL_INHERIT
+ */
+
+ struct bgp_peer_gr PEER_GR_FSM[PEER_MODE][PEER_EVENT_CMD];
+ enum peer_mode peer_gr_present_state;
+ /* Non stop forwarding afi-safi count for BGP gr feature*/
+ uint8_t nsf_af_count;
+
+ uint8_t peer_gr_new_status_flag;
+#define PEER_GRACEFUL_RESTART_NEW_STATE_HELPER (1 << 0)
+#define PEER_GRACEFUL_RESTART_NEW_STATE_RESTART (1 << 1)
+#define PEER_GRACEFUL_RESTART_NEW_STATE_INHERIT (1 << 2)
+
/* outgoing message sent in CEASE_ADMIN_SHUTDOWN notify */
char *tx_shutdown_message;
#define PEER_FLAG_WEIGHT (1 << 24) /* weight */
#define PEER_FLAG_ALLOWAS_IN_ORIGIN (1 << 25) /* allowas-in origin */
#define PEER_FLAG_SEND_LARGE_COMMUNITY (1 << 26) /* Send large Communities */
+#define PEER_FLAG_MAX_PREFIX_OUT (1 << 27) /* outgoing maximum prefix */
enum bgp_addpath_strat addpath_type[AFI_MAX][SAFI_MAX];
/* timestamp when the last msg was written */
_Atomic time_t last_update;
- /* Send prefix count. */
- unsigned long scount[AFI_MAX][SAFI_MAX];
-
/* Notify data. */
struct bgp_notify notify;
uint16_t pmax_restart[AFI_MAX][SAFI_MAX];
#define MAXIMUM_PREFIX_THRESHOLD_DEFAULT 75
+ /* Send prefix count. */
+ uint32_t pmax_out[AFI_MAX][SAFI_MAX];
+
/* allowas-in. */
char allowas_in[AFI_MAX][SAFI_MAX];
#define PEER_DOWN_NBR_ADDR 28 /* Waiting for peer IPv6 IP Addr */
#define PEER_DOWN_VRF_UNINIT 29 /* Associated VRF is not init yet */
#define PEER_DOWN_NOAFI_ACTIVATED 30 /* No AFI/SAFI activated for peer */
+#define PEER_DOWN_AS_SETS_REJECT 31 /* Reject routes with AS_SET */
size_t last_reset_cause_size;
uint8_t last_reset_cause[BGP_MAX_PACKET_SIZE];
char *hostname;
char *domainname;
+ /* Sender side AS path loop detection. */
+ bool as_path_loop_detection;
+
QOBJ_FIELDS
};
DECLARE_QOBJ_TYPE(peer)
#define BGP_EVENTS_MAX 15
/* BGP timers default value. */
-/* note: the DFLT_ ones depend on compile-time "defaults" selection */
#define BGP_INIT_START_TIMER 1
-#define BGP_DEFAULT_HOLDTIME DFLT_BGP_HOLDTIME
-#define BGP_DEFAULT_KEEPALIVE DFLT_BGP_KEEPALIVE
+/* The following 3 are RFC defaults that are overridden in bgp_vty.c with
+ * version-/profile-specific values. The values here do not matter, they only
+ * exist to provide a clear layering separation between core and CLI.
+ */
+#define BGP_DEFAULT_HOLDTIME 180
+#define BGP_DEFAULT_KEEPALIVE 60
+#define BGP_DEFAULT_CONNECT_RETRY 120
+
#define BGP_DEFAULT_EBGP_ROUTEADV 0
#define BGP_DEFAULT_IBGP_ROUTEADV 0
-#define BGP_DEFAULT_CONNECT_RETRY DFLT_BGP_TIMERS_CONNECT
/* BGP default local preference. */
#define BGP_DEFAULT_LOCAL_PREF 100
#define BGP_VTY_PORT 2605
#define BGP_DEFAULT_CONFIG "bgpd.conf"
-/* Check AS path loop when we send NLRI. */
-/* #define BGP_SEND_ASPATH_CHECK */
-
/* BGP Dynamic Neighbors feature */
#define BGP_DYNAMIC_NEIGHBORS_LIMIT_DEFAULT 100
#define BGP_DYNAMIC_NEIGHBORS_LIMIT_MIN 1
/* BGP error codes. */
#define BGP_SUCCESS 0
+#define BGP_CREATED 1
#define BGP_ERR_INVALID_VALUE -1
#define BGP_ERR_INVALID_FLAG -2
#define BGP_ERR_INVALID_AS -3
#define BGP_ERR_INVALID_FOR_DIRECT_PEER -34
#define BGP_ERR_PEER_SAFI_CONFLICT -35
+/* BGP GR ERRORS */
+#define BGP_ERR_GR_INVALID_CMD -36
+#define BGP_ERR_GR_OPERATION_FAILED -37
+#define BGP_GR_NO_OPERATION -38
+
/*
* Enumeration of different policy kinds a peer can be configured with.
*/
extern int bgp_config_write(struct vty *);
-extern void bgp_master_init(struct thread_master *master);
+extern void bgp_master_init(struct thread_master *master,
+ const int buffer_size);
extern void bgp_init(unsigned short instance);
extern void bgp_pthreads_run(void);
extern int bgp_confederation_peers_add(struct bgp *, as_t);
extern int bgp_confederation_peers_remove(struct bgp *, as_t);
-extern int bgp_timers_set(struct bgp *, uint32_t keepalive, uint32_t holdtime);
+extern int bgp_timers_set(struct bgp *, uint32_t keepalive, uint32_t holdtime,
+ uint32_t connect_retry);
extern int bgp_timers_unset(struct bgp *);
extern int bgp_default_local_preference_set(struct bgp *, uint32_t);
int, afi_t, safi_t);
extern int peer_group_remote_as(struct bgp *, const char *, as_t *, int);
extern int peer_delete(struct peer *peer);
+extern int peer_notify_unconfig(struct peer *peer);
extern int peer_group_delete(struct peer_group *);
extern int peer_group_remote_as_delete(struct peer_group *);
extern int peer_group_listen_range_add(struct peer_group *, struct prefix *);
+extern int peer_group_notify_unconfig(struct peer_group *group);
extern int peer_activate(struct peer *, afi_t, safi_t);
extern int peer_deactivate(struct peer *, afi_t, safi_t);
extern void bgp_close(void);
extern void bgp_free(struct bgp *);
+void bgp_gr_apply_running_config(void);
+
+/* BGP GR */
+void bgp_peer_flag_set(struct peer *peer, int flag_bit);
+void bgp_peer_flag_unset(struct peer *peer, int flag_bit);
+int bgp_peer_flag_check(struct peer *peer, int flag_bit);
+int bgp_global_gr_init(struct bgp *bgp);
+int bgp_peer_gr_init(struct peer *peer);
static inline struct bgp *bgp_lock(struct bgp *bgp)
{
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