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bird 1.6.3

    1: /*
    2:  *	BIRD -- UNIX Kernel Syncer Configuration
    3:  *
    4:  *	(c) 1998--2000 Martin Mares <mj@ucw.cz>
    5:  *
    6:  *	Can be freely distributed and used under the terms of the GNU GPL.
    7:  */
    8: 
    9: CF_HDR
   10: 
   11: #include "lib/krt.h"
   12: 
   13: CF_DEFINES
   14: 
   15: #define THIS_KRT ((struct krt_config *) this_proto)
   16: #define THIS_KIF ((struct kif_config *) this_proto)
   17: 
   18: CF_DECLS
   19: 
   20: CF_KEYWORDS(KERNEL, PERSIST, SCAN, TIME, LEARN, DEVICE, ROUTES, GRACEFUL, RESTART, KRT_SOURCE, KRT_METRIC, MERGE, PATHS)
   21: 
   22: %type <i> kern_mp_limit
   23: 
   24: CF_GRAMMAR
   25: 
   26: /* Kernel syncer protocol */
   27: 
   28: CF_ADDTO(proto, kern_proto '}')
   29: 
   30: kern_proto_start: proto_start KERNEL { this_proto = krt_init_config($1); }
   31:  ;
   32: 
   33: CF_ADDTO(kern_proto, kern_proto_start proto_name '{')
   34: CF_ADDTO(kern_proto, kern_proto proto_item ';')
   35: CF_ADDTO(kern_proto, kern_proto kern_item ';')
   36: 
   37: kern_mp_limit:
   38:    /* empty */ { $$ = KRT_DEFAULT_ECMP_LIMIT; }
   39:  | LIMIT expr  { $$ = $2; if (($2 <= 0) || ($2 > 255)) cf_error("Merge paths limit must be in range 1-255"); }
   40:  ;
   41: 
   42: kern_item:
   43:    PERSIST bool { THIS_KRT->persist = $2; }
   44:  | SCAN TIME expr {
   45:       /* Scan time of 0 means scan on startup only */
   46:       THIS_KRT->scan_time = $3;
   47:    }
   48:  | LEARN bool {
   49:       THIS_KRT->learn = $2;
   50: #ifndef KRT_ALLOW_LEARN
   51:       if ($2)
   52: 	cf_error("Learning of kernel routes not supported on this platform");
   53: #endif
   54:    }
   55:  | DEVICE ROUTES bool { THIS_KRT->devroutes = $3; }
   56:  | GRACEFUL RESTART bool { THIS_KRT->graceful_restart = $3; }
   57:  | MERGE PATHS bool kern_mp_limit {
   58:       THIS_KRT->merge_paths = $3 ? $4 : 0;
   59: #ifndef KRT_ALLOW_MERGE_PATHS
   60:       if ($3)
   61: 	cf_error("Path merging not supported on this platform");
   62: #endif
   63:    }
   64:  ;
   65: 
   66: /* Kernel interface protocol */
   67: 
   68: CF_ADDTO(proto, kif_proto '}')
   69: 
   70: kif_proto_start: proto_start DEVICE { this_proto = kif_init_config($1); }
   71:  ;
   72: 
   73: CF_ADDTO(kif_proto, kif_proto_start proto_name '{')
   74: CF_ADDTO(kif_proto, kif_proto proto_item ';')
   75: CF_ADDTO(kif_proto, kif_proto kif_item ';')
   76: 
   77: kif_item:
   78:    SCAN TIME expr {
   79:       /* Scan time of 0 means scan on startup only */
   80:       THIS_KIF->scan_time = $3;
   81:    }
   82:  | PRIMARY text_or_none prefix_or_ipa {
   83:      struct kif_primary_item *kpi = cfg_alloc(sizeof (struct kif_primary_item));
   84:      kpi->pattern = $2;
   85:      kpi->prefix = $3.addr;
   86:      kpi->pxlen = $3.len;
   87:      add_tail(&THIS_KIF->primary, &kpi->n);
   88:    }
   89:  ;
   90: 
   91: CF_ADDTO(dynamic_attr, KRT_SOURCE { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_KRT_SOURCE); })
   92: CF_ADDTO(dynamic_attr, KRT_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_KRT_METRIC); })
   93: 
   94: CF_CODE
   95: 
   96: CF_END