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bgpd: backpressure - Add a typesafe list for Zebra Announcement

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Modify the bgp master to hold a type safe list for bgp_dests that need
to be passed to zebra.

Future commits will use this.

Ticket: #3390099

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
Signed-off-by: Rajasekar Raja <rajasekarr@nvidia.com>
This commit is contained in:
Donald Sharp 2024-01-25 12:53:24 -05:00 committed by Rajasekar Raja
parent ffab0d7fbc
commit 705fed7ca8
4 changed files with 13 additions and 0 deletions
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2
bgpd/bgp_main.c
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@ -207,6 +207,8 @@ static __attribute__((__noreturn__)) void bgp_exit(int status)
bgp_evpn_mh_finish(); bgp_evpn_mh_finish();
bgp_nhg_finish(); bgp_nhg_finish();
zebra_announce_fini(&bm->zebra_announce_head);
/* reverse bgp_dump_init */ /* reverse bgp_dump_init */
bgp_dump_finish(); bgp_dump_finish();

4
bgpd/bgp_table.h
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@ -76,6 +76,8 @@ struct bgp_dest {
STAILQ_ENTRY(bgp_dest) pq; STAILQ_ENTRY(bgp_dest) pq;
struct zebra_announce_item zai;
uint64_t version; uint64_t version;
mpls_label_t local_label; mpls_label_t local_label;
@ -97,6 +99,8 @@ struct bgp_dest {
enum bgp_path_selection_reason reason; enum bgp_path_selection_reason reason;
}; };
DECLARE_LIST(zebra_announce, struct bgp_dest, zai);
extern void bgp_delete_listnode(struct bgp_dest *dest); extern void bgp_delete_listnode(struct bgp_dest *dest);
/* /*
* bgp_table_iter_t * bgp_table_iter_t

2
bgpd/bgpd.c
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@ -8289,6 +8289,8 @@ void bgp_master_init(struct event_loop *master, const int buffer_size,
memset(&bgp_master, 0, sizeof(bgp_master)); memset(&bgp_master, 0, sizeof(bgp_master));
bm = &bgp_master; bm = &bgp_master;
zebra_announce_init(&bm->zebra_announce_head);
bm->bgp = list_new(); bm->bgp = list_new();
bm->listen_sockets = list_new(); bm->listen_sockets = list_new();
bm->port = BGP_PORT_DEFAULT; bm->port = BGP_PORT_DEFAULT;

5
bgpd/bgpd.h
View File

@ -18,6 +18,8 @@
#include "iana_afi.h" #include "iana_afi.h"
#include "asn.h" #include "asn.h"
PREDECL_LIST(zebra_announce);
/* For union sockunion. */ /* For union sockunion. */
#include "queue.h" #include "queue.h"
#include "sockunion.h" #include "sockunion.h"
@ -175,6 +177,9 @@ struct bgp_master {
bool v6_with_v4_nexthops; bool v6_with_v4_nexthops;
/* To preserve ordering of installations into zebra across all Vrfs */
struct zebra_announce_head zebra_announce_head;
QOBJ_FIELDS; QOBJ_FIELDS;
}; };
DECLARE_QOBJ_TYPE(bgp_master); DECLARE_QOBJ_TYPE(bgp_master);