130 lines
2.9 KiB
Text
130 lines
2.9 KiB
Text
/*
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* BIRD -- UNIX Kernel Syncer Configuration
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*
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* (c) 1998--2000 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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CF_HDR
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#include "sysdep/unix/krt.h"
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CF_DEFINES
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#define THIS_KRT ((struct krt_config *) this_proto)
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#define THIS_KIF ((struct kif_config *) this_proto)
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#define KIF_IFACE ((struct kif_iface_config *) this_ipatt)
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static void
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kif_set_preferred(ip_addr ip)
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{
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if (ipa_is_ip4(ip))
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KIF_IFACE->pref_v4 = ip;
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else if (!ipa_is_link_local(ip))
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KIF_IFACE->pref_v6 = ip;
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else
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KIF_IFACE->pref_ll = ip;
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}
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CF_DECLS
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CF_KEYWORDS(KERNEL, PERSIST, SCAN, TIME, LEARN, DEVICE, ROUTES, GRACEFUL, RESTART, KRT_SOURCE, KRT_METRIC, MERGE, PATHS)
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CF_KEYWORDS(INTERFACE, PREFERRED)
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%type <i> kern_mp_limit
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CF_GRAMMAR
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/* Kernel syncer protocol */
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CF_ADDTO(proto, kern_proto '}')
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kern_proto_start: proto_start KERNEL {
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this_proto = krt_init_config($1);
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}
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;
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CF_ADDTO(kern_proto, kern_proto_start proto_name '{')
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CF_ADDTO(kern_proto, kern_proto kern_item ';')
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kern_mp_limit:
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/* empty */ { $$ = KRT_DEFAULT_ECMP_LIMIT; }
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| LIMIT expr { $$ = $2; if (($2 <= 0) || ($2 > 255)) cf_error("Merge paths limit must be in range 1-255"); }
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;
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kern_item:
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proto_item
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| proto_channel { this_proto->net_type = $1->net_type; }
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| PERSIST bool { THIS_KRT->persist = $2; }
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| SCAN TIME expr {
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/* Scan time of 0 means scan on startup only */
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THIS_KRT->scan_time = $3 S_;
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}
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| LEARN bool {
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THIS_KRT->learn = $2;
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#ifndef KRT_ALLOW_LEARN
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if ($2)
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cf_error("Learning of kernel routes not supported on this platform");
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#endif
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}
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| GRACEFUL RESTART bool { THIS_KRT->graceful_restart = $3; }
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| MERGE PATHS bool kern_mp_limit {
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THIS_KRT->merge_paths = $3 ? $4 : 0;
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#ifndef KRT_ALLOW_MERGE_PATHS
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if ($3)
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cf_error("Path merging not supported on this platform");
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#endif
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}
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;
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/* Kernel interface protocol */
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CF_ADDTO(proto, kif_proto '}')
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kif_proto_start: proto_start DEVICE { this_proto = kif_init_config($1); }
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;
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CF_ADDTO(kif_proto, kif_proto_start proto_name '{')
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CF_ADDTO(kif_proto, kif_proto kif_item ';')
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kif_item:
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proto_item
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| INTERFACE kif_iface
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| SCAN TIME expr {
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/* Scan time of 0 means scan on startup only */
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THIS_KIF->scan_time = $3 S_;
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}
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;
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kif_iface_start:
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{
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this_ipatt = cfg_allocz(sizeof(struct kif_iface_config));
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add_tail(&THIS_KIF->iface_list, NODE this_ipatt);
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init_list(&this_ipatt->ipn_list);
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}
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kif_iface_item:
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PREFERRED ipa { kif_set_preferred($2); }
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;
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kif_iface_opts:
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/* empty */
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| kif_iface_opts kif_iface_item ';'
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;
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kif_iface_opt_list:
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/* empty */
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| '{' kif_iface_opts '}'
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;
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kif_iface:
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kif_iface_start iface_patt_list_nopx kif_iface_opt_list;
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CF_ADDTO(dynamic_attr, KRT_SOURCE { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_KRT_SOURCE); })
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CF_ADDTO(dynamic_attr, KRT_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_KRT_METRIC); })
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CF_CODE
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CF_END
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