Commit 2638249d authored by Martin Mareš's avatar Martin Mareš

Bare skeleton of the BGP.

parent 349e21bb
......@@ -366,6 +366,9 @@ protos_build(void)
#endif
#ifdef CONFIG_PIPE
add_tail(&protocol_list, &proto_pipe.n);
#endif
#ifdef CONFIG_BGP
add_tail(&protocol_list, &proto_bgp.n);
#endif
proto_pool = rp_new(&root_pool, "Protocols");
proto_flush_event = ev_new(proto_pool);
......
......@@ -61,11 +61,9 @@ extern list protocol_list;
* Known protocols
*/
extern struct protocol proto_device;
extern struct protocol proto_rip;
extern struct protocol proto_static;
extern struct protocol proto_ospf;
extern struct protocol proto_pipe;
extern struct protocol
proto_device, proto_rip, proto_static,
proto_ospf, proto_pipe, proto_bgp;
/*
* Routing Protocol Instance
......
source=bgp.c
root-rel=../../
dir-name=proto/bgp
include ../../Rules
/*
* BIRD -- The Border Gateway Protocol
*
* (c) 2000 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#define LOCAL_DEBUG
#include "nest/bird.h"
#include "nest/iface.h"
#include "nest/protocol.h"
#include "nest/route.h"
#include "conf/conf.h"
#include "bgp.h"
static void
bgp_rt_notify(struct proto *P, net *n, rte *new, rte *old, ea_list *tmpa)
{
}
static struct proto *
bgp_init(struct proto_config *C)
{
struct bgp_config *c = (struct bgp_config *) C;
struct proto *P = proto_new(C, sizeof(struct bgp_proto));
struct bgp_proto *p = (struct bgp_proto *) P;
P->rt_notify = bgp_rt_notify;
return P;
}
static int
bgp_start(struct proto *P)
{
return PS_UP;
}
static int
bgp_shutdown(struct proto *P)
{
return PS_DOWN;
}
void
bgp_check(struct bgp_config *c)
{
if (!c->local_as)
cf_error("Local AS number must be set");
if (!c->remote_as)
cf_error("Neighbor must be configured");
}
struct protocol proto_bgp = {
name: "BGP",
template: "bgp%d",
init: bgp_init,
start: bgp_start,
shutdown: bgp_shutdown,
#if 0
dump: bgp_dump,
get_status: bgp_get_status,
get_route_info: bgp_get_route_info,
show_route_data: bgp_show_route_data
#endif
};
/*
* BIRD -- The Border Gateway Protocol
*
* (c) 2000 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#ifndef _BIRD_BGP_H_
#define _BIRD_BGP_H_
struct bgp_config {
struct proto_config c;
unsigned int local_as, remote_as;
ip_addr remote_ip;
int multihop; /* Number of hops if multihop */
};
struct bgp_proto {
struct proto p;
};
struct bgp_route {
};
struct bgp_attrs {
};
void bgp_check(struct bgp_config *c);
#endif
/*
* BIRD -- Border Gateway Protocol Configuration
*
* (c) 2000 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
CF_HDR
#include "proto/bgp/bgp.h"
#define BGP_CFG ((struct bgp_config *) this_proto)
CF_DECLS
CF_KEYWORDS(BGP, LOCAL, NEIGHBOR, AS)
CF_GRAMMAR
CF_ADDTO(proto, bgp_proto '}' { bgp_check(BGP_CFG); } )
bgp_proto_start: proto_start BGP {
this_proto = proto_config_new(&proto_bgp, sizeof(struct bgp_config));
this_proto->preference = DEF_PREF_BGP;
}
;
bgp_proto:
bgp_proto_start proto_name '{'
| bgp_proto proto_item ';'
| bgp_proto LOCAL AS NUM ';' {
if ($4 < 0 || $4 > 65535) cf_error("AS number out of range");
BGP_CFG->local_as = $4;
}
| bgp_proto NEIGHBOR IPA AS NUM ';' {
if ($5 < 0 || $5 > 65535) cf_error("AS number out of range");
BGP_CFG->remote_ip = $3;
BGP_CFG->remote_as = $5;
}
;
CF_CODE
CF_END
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