mirror of
https://gitlab.labs.nic.cz/labs/bird.git
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133 lines
4.1 KiB
Plaintext
133 lines
4.1 KiB
Plaintext
/*
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* BIRD -- Babel Configuration
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*
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* Copyright (c) 2015-2016 Toke Hoiland-Jorgensen
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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 "proto/babel/babel.h"
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#include "nest/iface.h"
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CF_DEFINES
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#define BABEL_CFG ((struct babel_config *) this_proto)
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#define BABEL_IFACE ((struct babel_iface_config *) this_ipatt)
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CF_DECLS
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CF_KEYWORDS(BABEL, METRIC, RXCOST, HELLO, UPDATE, INTERVAL, PORT, WIRED,
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WIRELESS, RX, TX, BUFFER, LENGTH, CHECK, LINK, BABEL_METRIC)
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CF_GRAMMAR
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CF_ADDTO(proto, babel_proto)
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babel_proto_start: proto_start BABEL
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{
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this_proto = proto_config_new(&proto_babel, $1);
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this_proto->net_type = NET_IP6;
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init_list(&BABEL_CFG->iface_list);
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};
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babel_proto_item:
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proto_item
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| proto_channel
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| INTERFACE babel_iface
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;
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babel_proto_opts:
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/* empty */
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| babel_proto_opts babel_proto_item ';'
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;
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babel_proto:
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babel_proto_start proto_name '{' babel_proto_opts '}';
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babel_iface_start:
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{
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this_ipatt = cfg_allocz(sizeof(struct babel_iface_config));
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add_tail(&BABEL_CFG->iface_list, NODE this_ipatt);
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init_list(&this_ipatt->ipn_list);
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BABEL_IFACE->port = BABEL_PORT;
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BABEL_IFACE->type = BABEL_IFACE_TYPE_WIRED;
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BABEL_IFACE->tx_tos = IP_PREC_INTERNET_CONTROL;
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BABEL_IFACE->tx_priority = sk_priority_control;
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BABEL_IFACE->check_link = 1;
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};
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babel_iface_finish:
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{
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if (BABEL_IFACE->type == BABEL_IFACE_TYPE_WIRELESS)
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{
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if (!BABEL_IFACE->hello_interval)
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BABEL_IFACE->hello_interval = BABEL_HELLO_INTERVAL_WIRELESS;
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if (!BABEL_IFACE->rxcost)
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BABEL_IFACE->rxcost = BABEL_RXCOST_WIRELESS;
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}
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else
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{
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if (!BABEL_IFACE->hello_interval)
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BABEL_IFACE->hello_interval = BABEL_HELLO_INTERVAL_WIRED;
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if (!BABEL_IFACE->rxcost)
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BABEL_IFACE->rxcost = BABEL_RXCOST_WIRED;
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}
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/* Make sure we do not overflow the 16-bit centisec fields */
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if (!BABEL_IFACE->update_interval)
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BABEL_IFACE->update_interval = MIN_(BABEL_IFACE->hello_interval*BABEL_UPDATE_INTERVAL_FACTOR, BABEL_MAX_INTERVAL);
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BABEL_IFACE->ihu_interval = MIN_(BABEL_IFACE->hello_interval*BABEL_IHU_INTERVAL_FACTOR, BABEL_MAX_INTERVAL);
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};
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babel_iface_item:
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| PORT expr { BABEL_IFACE->port = $2; if (($2<1) || ($2>65535)) cf_error("Invalid port number"); }
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| RXCOST expr { BABEL_IFACE->rxcost = $2; if (($2<1) || ($2>65535)) cf_error("Invalid rxcost"); }
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| HELLO INTERVAL expr { BABEL_IFACE->hello_interval = $3; if (($3<1) || ($3>BABEL_MAX_INTERVAL)) cf_error("Invalid hello interval"); }
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| UPDATE INTERVAL expr { BABEL_IFACE->update_interval = $3; if (($3<1) || ($3>BABEL_MAX_INTERVAL)) cf_error("Invalid update interval"); }
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| TYPE WIRED { BABEL_IFACE->type = BABEL_IFACE_TYPE_WIRED; }
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| TYPE WIRELESS { BABEL_IFACE->type = BABEL_IFACE_TYPE_WIRELESS; }
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| RX BUFFER expr { BABEL_IFACE->rx_buffer = $3; if (($3<256) || ($3>65535)) cf_error("RX buffer must be in range 256-65535"); }
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| TX LENGTH expr { BABEL_IFACE->tx_length = $3; if (($3<256) || ($3>65535)) cf_error("TX length must be in range 256-65535"); }
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| TX tos { BABEL_IFACE->tx_tos = $2; }
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| TX PRIORITY expr { BABEL_IFACE->tx_priority = $3; }
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| CHECK LINK bool { BABEL_IFACE->check_link = $3; }
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;
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babel_iface_opts:
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/* empty */
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| babel_iface_opts babel_iface_item ';'
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;
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babel_iface_opt_list:
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/* empty */
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| '{' babel_iface_opts '}'
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;
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babel_iface:
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babel_iface_start iface_patt_list_nopx babel_iface_opt_list babel_iface_finish;
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CF_ADDTO(dynamic_attr, BABEL_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_BABEL_METRIC); })
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CF_CLI_HELP(SHOW BABEL, ..., [[Show information about Babel protocol]]);
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CF_CLI(SHOW BABEL INTERFACES, optsym opttext, [<name>] [\"<interface>\"], [[Show information about Babel interfaces]])
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{ babel_show_interfaces(proto_get_named($4, &proto_babel), $5); };
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CF_CLI(SHOW BABEL NEIGHBORS, optsym opttext, [<name>] [\"<interface>\"], [[Show information about Babel neighbors]])
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{ babel_show_neighbors(proto_get_named($4, &proto_babel), $5); };
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CF_CLI(SHOW BABEL ENTRIES, optsym opttext, [<name>], [[Show information about Babel prefix entries]])
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{ babel_show_entries(proto_get_named($4, &proto_babel)); };
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CF_CODE
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CF_END
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