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BMP protocol support

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Initial implementation of a basic subset of the BMP (BGP Monitoring
Protocol, RFC 7854) from Akamai team. Submitted for further review
and improvement.
This commit is contained in:
Pawel Maslanka
2021-03-29 22:45:21 +02:00
committed by Ondrej Zajicek
parent 9e44ace392
commit a848dad40a
20 changed files with 2391 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
nest/protocol.h
View File

@ -42,6 +42,7 @@ enum protocol_class {
PROTOCOL_BABEL,
PROTOCOL_BFD,
PROTOCOL_BGP,
PROTOCOL_BMP,
PROTOCOL_DEVICE,
PROTOCOL_DIRECT,
PROTOCOL_KERNEL,
@ -103,7 +104,7 @@ void protos_dump_all(void);
extern struct protocol
proto_device, proto_radv, proto_rip, proto_static, proto_mrt,
proto_ospf, proto_perf,
proto_pipe, proto_bgp, proto_bfd, proto_babel, proto_rpki;
proto_pipe, proto_bgp, proto_bmp, proto_bfd, proto_babel, proto_rpki;
/*
* Routing Protocol Instance
@ -213,6 +214,8 @@ struct proto {
void (*if_notify)(struct proto *, unsigned flags, struct iface *i);
void (*ifa_notify)(struct proto *, unsigned flags, struct ifa *a);
void (*rt_notify)(struct proto *, struct channel *, struct network *net, struct rte *new, struct rte *old);
void (*rte_update_in_notify)(const struct proto *, const struct channel *,
const net *net, const struct rte *new, const struct rte *old, const struct rte_src *src);
void (*neigh_notify)(struct neighbor *neigh);
int (*preexport)(struct channel *, struct rte *rt);
void (*reload_routes)(struct channel *);

11
nest/rt-table.c
View File

@ -3095,6 +3095,10 @@ rte_update_in(struct channel *c, const net_addr *n, rte *new, struct rte_src *sr
if (old->flags & (REF_STALE | REF_DISCARD | REF_MODIFY))
{
old->flags &= ~(REF_STALE | REF_DISCARD | REF_MODIFY);
if (c->proto->rte_update_in_notify)
c->proto->rte_update_in_notify(c->proto, c, net, new, old, src);
return 1;
}
@ -3118,6 +3122,9 @@ rte_update_in(struct channel *c, const net_addr *n, rte *new, struct rte_src *sr
if (!old)
goto drop_withdraw;
if (c->proto->rte_update_in_notify)
c->proto->rte_update_in_notify(c->proto, c, net, new, old, src);
if (!net->routes)
fib_delete(&tab->fib, net);
@ -3149,6 +3156,10 @@ rte_update_in(struct channel *c, const net_addr *n, rte *new, struct rte_src *sr
e->next = *pos;
*pos = e;
tab->rt_count++;
if (c->proto->rte_update_in_notify)
c->proto->rte_update_in_notify(c->proto, c, net, new, old, src);
return 1;
drop_update: