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|
/*
* BIRD -- UNIX Kernel Syncer Configuration
*
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
CF_HDR
#include "lib/krt.h"
CF_DEFINES
#define THIS_KRT ((struct krt_config *) this_proto)
#define THIS_KIF ((struct kif_config *) this_proto)
static void
krt_set_merge_paths(struct channel_config *cc, uint merge, uint limit)
{
if ((limit <= 0) || (limit > 255))
cf_error("Merge paths limit must be in range 1-255");
cc->ra_mode = merge ? RA_MERGED : RA_OPTIMAL;
cc->merge_limit = limit;
}
CF_DECLS
CF_KEYWORDS(KERNEL, PERSIST, SCAN, TIME, LEARN, DEVICE, ROUTES, GRACEFUL, RESTART, KRT_SOURCE, KRT_METRIC, MERGE, PATHS)
CF_GRAMMAR
/* Kernel syncer protocol */
CF_ADDTO(proto, kern_proto '}')
kern_proto_start: proto_start KERNEL {
this_proto = krt_init_config($1);
}
;
CF_ADDTO(kern_proto, kern_proto_start proto_name '{')
CF_ADDTO(kern_proto, kern_proto kern_item ';')
kern_item:
proto_item
| proto_channel { this_proto->net_type = $1->net_type; }
| PERSIST bool { THIS_KRT->persist = $2; }
| SCAN TIME expr {
/* Scan time of 0 means scan on startup only */
THIS_KRT->scan_time = $3;
}
| LEARN bool {
THIS_KRT->learn = $2;
#ifndef KRT_ALLOW_LEARN
if ($2)
cf_error("Learning of kernel routes not supported in this configuration");
#endif
}
| DEVICE ROUTES bool { THIS_KRT->devroutes = $3; }
| GRACEFUL RESTART bool { THIS_KRT->graceful_restart = $3; }
| MERGE PATHS bool { krt_set_merge_paths(this_channel, $3, KRT_DEFAULT_ECMP_LIMIT); }
| MERGE PATHS bool LIMIT expr { krt_set_merge_paths(this_channel, $3, $5); }
;
/* Kernel interface protocol */
CF_ADDTO(proto, kif_proto '}')
kif_proto_start: proto_start DEVICE { this_proto = kif_init_config($1); }
;
CF_ADDTO(kif_proto, kif_proto_start proto_name '{')
CF_ADDTO(kif_proto, kif_proto kif_item ';')
kif_item:
proto_item
| SCAN TIME expr {
/* Scan time of 0 means scan on startup only */
THIS_KIF->scan_time = $3;
}
| PRIMARY opttext net_or_ipa {
struct kif_primary_item *kpi = cfg_alloc(sizeof (struct kif_primary_item));
kpi->addr = $3;
add_tail(&THIS_KIF->primary, &kpi->n);
}
;
CF_ADDTO(dynamic_attr, KRT_SOURCE { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_KRT_SOURCE); })
CF_ADDTO(dynamic_attr, KRT_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_KRT_METRIC); })
CF_CODE
CF_END
|
