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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)
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 proto_item ';')
CF_ADDTO(kern_proto, kern_proto kern_item ';')
kern_item:
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 { THIS_KRT->merge_paths = $3 ? KRT_DEFAULT_ECMP_LIMIT : 0; }
| MERGE PATHS bool LIMIT expr { THIS_KRT->merge_paths = $3 ? $5 : 0; if (($5 <= 0) || ($5 > 255)) cf_error("Merge paths limit must be in range 1-255"); }
;
/* 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 proto_item ';')
CF_ADDTO(kif_proto, kif_proto kif_item ';')
kif_item:
SCAN TIME expr {
/* Scan time of 0 means scan on startup only */
THIS_KIF->scan_time = $3;
}
| PRIMARY text_or_none prefix_or_ipa {
struct kif_primary_item *kpi = cfg_alloc(sizeof (struct kif_primary_item));
kpi->pattern = $2;
kpi->prefix = $3.addr;
kpi->pxlen = $3.len;
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
|
