Merge pull request #10816 from anlancs/fix-bgdp-local-es-rt

[mirror_frr.git] / lib / zclient.h

diff --git a/lib/zclient.h b/lib/zclient.h
index 3cad9bd4fa511eeb462d148a7059eebd031c3cfe..092754f6026255b429ff9ab5df92a486c81de12c 100644 (file)
--- a/lib/zclient.h
+++ b/lib/zclient.h
@@ -21,6 +21,8 @@
 #ifndef _ZEBRA_ZCLIENT_H
 #define _ZEBRA_ZCLIENT_H
 
+struct zclient;
+
 /* For struct zapi_route. */
 #include "prefix.h"
 #include "ipaddr.h"
@@ -284,6 +286,14 @@ struct zapi_cap {
        vrf_id_t vrf_id;
 };
 
+/* clang-format off */
+#define ZAPI_CALLBACK_ARGS                                                     \
+       int cmd, struct zclient *zclient, uint16_t length, vrf_id_t vrf_id
+
+/* function-type typedef (pointer not included) */
+typedef int (zclient_handler)(ZAPI_CALLBACK_ARGS);
+/* clang-format on */
+
 /* Structure for the zebra client. */
 struct zclient {
        /* The thread master we schedule ourselves on */
@@ -298,6 +308,9 @@ struct zclient {
        /* Is this a synchronous client? */
        bool synchronous;
 
+       /* BFD enabled with bfd_protocol_integration_init() */
+       bool bfd_integration;
+
        /* Session id (optional) to support clients with multiple sessions */
        uint32_t session_id;
 
@@ -332,13 +345,12 @@ struct zclient {
        /* Redistribute default. */
        vrf_bitmap_t default_information[AFI_MAX];
 
-#define ZAPI_CALLBACK_ARGS                                                     \
-       int cmd, struct zclient *zclient, uint16_t length, vrf_id_t vrf_id
-
        /* Pointer to the callback functions. */
        void (*zebra_connected)(struct zclient *);
        void (*zebra_capabilities)(struct zclient_capabilities *cap);
 
+       int (*handle_error)(enum zebra_error_types error);
+
        /*
         * When the zclient attempts to write the stream data to
         * it's named pipe to/from zebra, we may have a situation
@@ -350,61 +362,15 @@ struct zclient {
         * more data.
         */
        void (*zebra_buffer_write_ready)(void);
-       int (*router_id_update)(ZAPI_CALLBACK_ARGS);
-       int (*interface_address_add)(ZAPI_CALLBACK_ARGS);
-       int (*interface_address_delete)(ZAPI_CALLBACK_ARGS);
-       int (*interface_link_params)(ZAPI_CALLBACK_ARGS);
-       int (*interface_bfd_dest_update)(ZAPI_CALLBACK_ARGS);
-       int (*interface_nbr_address_add)(ZAPI_CALLBACK_ARGS);
-       int (*interface_nbr_address_delete)(ZAPI_CALLBACK_ARGS);
-       int (*interface_vrf_update)(ZAPI_CALLBACK_ARGS);
-       int (*nexthop_update)(ZAPI_CALLBACK_ARGS);
-       int (*bfd_dest_replay)(ZAPI_CALLBACK_ARGS);
-       int (*redistribute_route_add)(ZAPI_CALLBACK_ARGS);
-       int (*redistribute_route_del)(ZAPI_CALLBACK_ARGS);
-       int (*fec_update)(int, struct zclient *, uint16_t);
-       int (*local_es_add)(ZAPI_CALLBACK_ARGS);
-       int (*local_es_del)(ZAPI_CALLBACK_ARGS);
-       int (*local_es_evi_add)(ZAPI_CALLBACK_ARGS);
-       int (*local_es_evi_del)(ZAPI_CALLBACK_ARGS);
-       int (*local_vni_add)(ZAPI_CALLBACK_ARGS);
-       int (*local_vni_del)(ZAPI_CALLBACK_ARGS);
-       int (*local_l3vni_add)(ZAPI_CALLBACK_ARGS);
-       int (*local_l3vni_del)(ZAPI_CALLBACK_ARGS);
-       void (*local_ip_prefix_add)(ZAPI_CALLBACK_ARGS);
-       void (*local_ip_prefix_del)(ZAPI_CALLBACK_ARGS);
-       int (*local_macip_add)(ZAPI_CALLBACK_ARGS);
-       int (*local_macip_del)(ZAPI_CALLBACK_ARGS);
-       int (*pw_status_update)(ZAPI_CALLBACK_ARGS);
-       int (*route_notify_owner)(ZAPI_CALLBACK_ARGS);
-       int (*rule_notify_owner)(ZAPI_CALLBACK_ARGS);
-       void (*label_chunk)(ZAPI_CALLBACK_ARGS);
-       int (*ipset_notify_owner)(ZAPI_CALLBACK_ARGS);
-       int (*ipset_entry_notify_owner)(ZAPI_CALLBACK_ARGS);
-       int (*iptable_notify_owner)(ZAPI_CALLBACK_ARGS);
-       int (*vxlan_sg_add)(ZAPI_CALLBACK_ARGS);
-       int (*vxlan_sg_del)(ZAPI_CALLBACK_ARGS);
-       int (*mlag_process_up)(void);
-       int (*mlag_process_down)(void);
-       int (*mlag_handle_msg)(struct stream *msg, int len);
-       int (*nhg_notify_owner)(ZAPI_CALLBACK_ARGS);
-       int (*srv6_locator_add)(ZAPI_CALLBACK_ARGS);
-       int (*srv6_locator_delete)(ZAPI_CALLBACK_ARGS);
-       int (*srv6_function_add)(ZAPI_CALLBACK_ARGS);
-       int (*srv6_function_delete)(ZAPI_CALLBACK_ARGS);
-       void (*process_srv6_locator_chunk)(ZAPI_CALLBACK_ARGS);
-       int (*handle_error)(enum zebra_error_types error);
-       int (*opaque_msg_handler)(ZAPI_CALLBACK_ARGS);
-       int (*opaque_register_handler)(ZAPI_CALLBACK_ARGS);
-       int (*opaque_unregister_handler)(ZAPI_CALLBACK_ARGS);
-       int (*sr_policy_notify_status)(ZAPI_CALLBACK_ARGS);
-       int (*zebra_client_close_notify)(ZAPI_CALLBACK_ARGS);
-       void (*neighbor_added)(ZAPI_CALLBACK_ARGS);
-       void (*neighbor_removed)(ZAPI_CALLBACK_ARGS);
-       void (*neighbor_get)(ZAPI_CALLBACK_ARGS);
-       void (*gre_update)(ZAPI_CALLBACK_ARGS);
+
+       zclient_handler *const *handlers;
+       size_t n_handlers;
 };
 
+/* lib handlers added in bfd.c */
+extern int zclient_bfd_session_replay(ZAPI_CALLBACK_ARGS);
+extern int zclient_bfd_session_update(ZAPI_CALLBACK_ARGS);
+
 /* Zebra API message flag. */
 #define ZAPI_MESSAGE_NEXTHOP  0x01
 #define ZAPI_MESSAGE_DISTANCE 0x02
@@ -893,7 +859,9 @@ int zclient_neigh_ip_encode(struct stream *s, uint16_t cmd, union sockunion *in,
 extern uint32_t zclient_get_nhg_start(uint32_t proto);
 
 extern struct zclient *zclient_new(struct thread_master *m,
-                                  struct zclient_options *opt);
+                                  struct zclient_options *opt,
+                                  zclient_handler *const *handlers,
+                                  size_t n_handlers);
 
 extern void zclient_init(struct zclient *, int, unsigned short,
                         struct zebra_privs_t *privs);
@@ -1143,7 +1111,17 @@ int zapi_nexthop_from_nexthop(struct zapi_nexthop *znh,
                              const struct nexthop *nh);
 int zapi_backup_nexthop_from_nexthop(struct zapi_nexthop *znh,
                                     const struct nexthop *nh);
-extern bool zapi_nexthop_update_decode(struct stream *s,
+/*
+ * match -> is the prefix that the calling daemon asked to be matched
+ * against.
+ * nhr->prefix -> is the actual prefix that was matched against in the
+ * rib itself.
+ *
+ * This distinction is made because a LPM can be made if there is a
+ * covering route.  This way the upper level protocol can make a decision
+ * point about whether or not it wants to use the match or not.
+ */
+extern bool zapi_nexthop_update_decode(struct stream *s, struct prefix *match,
                                       struct zapi_route *nhr);
 const char *zapi_nexthop2str(const struct zapi_nexthop *znh, char *buf,
                             int bufsize);