Annotation of embedaddon/bird2/sysdep/unix/krt.Y, revision 1.1
1.1 ! misho 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 "sysdep/unix/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: #define KIF_IFACE ((struct kif_iface_config *) this_ipatt)
! 18:
! 19: static void
! 20: kif_set_preferred(ip_addr ip)
! 21: {
! 22: if (ipa_is_ip4(ip))
! 23: KIF_IFACE->pref_v4 = ip;
! 24: else if (!ipa_is_link_local(ip))
! 25: KIF_IFACE->pref_v6 = ip;
! 26: else
! 27: KIF_IFACE->pref_ll = ip;
! 28: }
! 29:
! 30: CF_DECLS
! 31:
! 32: CF_KEYWORDS(KERNEL, PERSIST, SCAN, TIME, LEARN, DEVICE, ROUTES, GRACEFUL, RESTART, KRT_SOURCE, KRT_METRIC, MERGE, PATHS)
! 33: CF_KEYWORDS(INTERFACE, PREFERRED)
! 34:
! 35: %type <i> kern_mp_limit
! 36:
! 37: CF_GRAMMAR
! 38:
! 39: /* Kernel syncer protocol */
! 40:
! 41: proto: kern_proto '}' ;
! 42:
! 43: kern_proto_start: proto_start KERNEL {
! 44: this_proto = krt_init_config($1);
! 45: }
! 46: ;
! 47:
! 48: kern_proto: kern_proto_start proto_name '{' ;
! 49: kern_proto: kern_proto kern_item ';' ;
! 50:
! 51: kern_mp_limit:
! 52: /* empty */ { $$ = KRT_DEFAULT_ECMP_LIMIT; }
! 53: | LIMIT expr { $$ = $2; if (($2 <= 0) || ($2 > 255)) cf_error("Merge paths limit must be in range 1-255"); }
! 54: ;
! 55:
! 56: kern_item:
! 57: proto_item
! 58: | proto_channel { this_proto->net_type = $1->net_type; }
! 59: | PERSIST bool { THIS_KRT->persist = $2; }
! 60: | SCAN TIME expr {
! 61: /* Scan time of 0 means scan on startup only */
! 62: THIS_KRT->scan_time = $3 S_;
! 63: }
! 64: | LEARN bool {
! 65: THIS_KRT->learn = $2;
! 66: #ifndef KRT_ALLOW_LEARN
! 67: if ($2)
! 68: cf_error("Learning of kernel routes not supported on this platform");
! 69: #endif
! 70: }
! 71: | GRACEFUL RESTART bool { THIS_KRT->graceful_restart = $3; }
! 72: | MERGE PATHS bool kern_mp_limit {
! 73: THIS_KRT->merge_paths = $3 ? $4 : 0;
! 74: #ifndef KRT_ALLOW_MERGE_PATHS
! 75: if ($3)
! 76: cf_error("Path merging not supported on this platform");
! 77: #endif
! 78: }
! 79: ;
! 80:
! 81: /* Kernel interface protocol */
! 82:
! 83: proto: kif_proto '}' ;
! 84:
! 85: kif_proto_start: proto_start DEVICE { this_proto = kif_init_config($1); }
! 86: ;
! 87:
! 88: kif_proto: kif_proto_start proto_name '{' ;
! 89: kif_proto: kif_proto kif_item ';' ;
! 90:
! 91: kif_item:
! 92: proto_item
! 93: | INTERFACE kif_iface
! 94: | SCAN TIME expr {
! 95: /* Scan time of 0 means scan on startup only */
! 96: THIS_KIF->scan_time = $3 S_;
! 97: }
! 98: ;
! 99:
! 100: kif_iface_start:
! 101: {
! 102: this_ipatt = cfg_allocz(sizeof(struct kif_iface_config));
! 103: add_tail(&THIS_KIF->iface_list, NODE this_ipatt);
! 104: init_list(&this_ipatt->ipn_list);
! 105: }
! 106:
! 107: kif_iface_item:
! 108: PREFERRED ipa { kif_set_preferred($2); }
! 109: ;
! 110:
! 111: kif_iface_opts:
! 112: /* empty */
! 113: | kif_iface_opts kif_iface_item ';'
! 114: ;
! 115:
! 116: kif_iface_opt_list:
! 117: /* empty */
! 118: | '{' kif_iface_opts '}'
! 119: ;
! 120:
! 121: kif_iface:
! 122: kif_iface_start iface_patt_list_nopx kif_iface_opt_list;
! 123:
! 124:
! 125: dynamic_attr: KRT_SOURCE { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_SOURCE); } ;
! 126: dynamic_attr: KRT_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_METRIC); } ;
! 127:
! 128: CF_CODE
! 129:
! 130: CF_END
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