937e75d8f1
This patch implements the IPv6 subset of the Babel routing protocol. Based on the patch from Toke Hoiland-Jorgensen, with some heavy modifications and bugfixes. Thanks to Toke Hoiland-Jorgensen for the original patch.
129 lines
3.9 KiB
Text
129 lines
3.9 KiB
Text
/*
|
|
* BIRD -- Babel Configuration
|
|
*
|
|
* Copyright (c) 2015-2016 Toke Hoiland-Jorgensen
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
|
|
|
|
CF_HDR
|
|
|
|
#include "proto/babel/babel.h"
|
|
#include "nest/iface.h"
|
|
|
|
CF_DEFINES
|
|
|
|
#define BABEL_CFG ((struct babel_config *) this_proto)
|
|
#define BABEL_IFACE ((struct babel_iface_config *) this_ipatt)
|
|
|
|
CF_DECLS
|
|
|
|
CF_KEYWORDS(BABEL, METRIC, RXCOST, HELLO, UPDATE, INTERVAL, PORT, WIRED,
|
|
WIRELESS, RX, TX, BUFFER, LENGTH, CHECK, LINK, BABEL_METRIC)
|
|
|
|
CF_GRAMMAR
|
|
|
|
CF_ADDTO(proto, babel_proto)
|
|
|
|
babel_proto_start: proto_start BABEL
|
|
{
|
|
this_proto = proto_config_new(&proto_babel, $1);
|
|
init_list(&BABEL_CFG->iface_list);
|
|
};
|
|
|
|
babel_proto_item:
|
|
proto_item
|
|
| INTERFACE babel_iface
|
|
;
|
|
|
|
babel_proto_opts:
|
|
/* empty */
|
|
| babel_proto_opts babel_proto_item ';'
|
|
;
|
|
|
|
babel_proto:
|
|
babel_proto_start proto_name '{' babel_proto_opts '}';
|
|
|
|
|
|
babel_iface_start:
|
|
{
|
|
this_ipatt = cfg_allocz(sizeof(struct babel_iface_config));
|
|
add_tail(&BABEL_CFG->iface_list, NODE this_ipatt);
|
|
init_list(&this_ipatt->ipn_list);
|
|
BABEL_IFACE->port = BABEL_PORT;
|
|
BABEL_IFACE->type = BABEL_IFACE_TYPE_WIRED;
|
|
BABEL_IFACE->tx_tos = IP_PREC_INTERNET_CONTROL;
|
|
BABEL_IFACE->tx_priority = sk_priority_control;
|
|
BABEL_IFACE->check_link = 1;
|
|
};
|
|
|
|
|
|
babel_iface_finish:
|
|
{
|
|
if (BABEL_IFACE->type == BABEL_IFACE_TYPE_WIRELESS)
|
|
{
|
|
if (!BABEL_IFACE->hello_interval)
|
|
BABEL_IFACE->hello_interval = BABEL_HELLO_INTERVAL_WIRELESS;
|
|
if (!BABEL_IFACE->rxcost)
|
|
BABEL_IFACE->rxcost = BABEL_RXCOST_WIRELESS;
|
|
}
|
|
else
|
|
{
|
|
if (!BABEL_IFACE->hello_interval)
|
|
BABEL_IFACE->hello_interval = BABEL_HELLO_INTERVAL_WIRED;
|
|
if (!BABEL_IFACE->rxcost)
|
|
BABEL_IFACE->rxcost = BABEL_RXCOST_WIRED;
|
|
}
|
|
|
|
if (!BABEL_IFACE->update_interval)
|
|
BABEL_IFACE->update_interval = BABEL_IFACE->hello_interval*BABEL_UPDATE_INTERVAL_FACTOR;
|
|
BABEL_IFACE->ihu_interval = BABEL_IFACE->hello_interval*BABEL_IHU_INTERVAL_FACTOR;
|
|
};
|
|
|
|
|
|
babel_iface_item:
|
|
| PORT expr { BABEL_IFACE->port = $2; if (($2<1) || ($2>65535)) cf_error("Invalid port number"); }
|
|
| RXCOST expr { BABEL_IFACE->rxcost = $2; if (($2<1) || ($2>65535)) cf_error("Invalid rxcost"); }
|
|
| HELLO INTERVAL expr { BABEL_IFACE->hello_interval = $3; if (($3<1) || ($3>65535)) cf_error("Invalid hello interval"); }
|
|
| UPDATE INTERVAL expr { BABEL_IFACE->update_interval = $3; if (($3<1) || ($3>65535)) cf_error("Invalid hello interval"); }
|
|
| TYPE WIRED { BABEL_IFACE->type = BABEL_IFACE_TYPE_WIRED; }
|
|
| TYPE WIRELESS { BABEL_IFACE->type = BABEL_IFACE_TYPE_WIRELESS; }
|
|
| RX BUFFER expr { BABEL_IFACE->rx_buffer = $3; if (($3<256) || ($3>65535)) cf_error("RX buffer must be in range 256-65535"); }
|
|
| TX LENGTH expr { BABEL_IFACE->tx_length = $3; if (($3<256) || ($3>65535)) cf_error("TX length must be in range 256-65535"); }
|
|
| TX tos { BABEL_IFACE->tx_tos = $2; }
|
|
| TX PRIORITY expr { BABEL_IFACE->tx_priority = $3; }
|
|
| CHECK LINK bool { BABEL_IFACE->check_link = $3; }
|
|
;
|
|
|
|
babel_iface_opts:
|
|
/* empty */
|
|
| babel_iface_opts babel_iface_item ';'
|
|
;
|
|
|
|
babel_iface_opt_list:
|
|
/* empty */
|
|
| '{' babel_iface_opts '}'
|
|
;
|
|
|
|
|
|
babel_iface:
|
|
babel_iface_start iface_patt_list_nopx babel_iface_opt_list babel_iface_finish;
|
|
|
|
CF_ADDTO(dynamic_attr, BABEL_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_BABEL_METRIC); })
|
|
|
|
CF_CLI_HELP(SHOW BABEL, ..., [[Show information about Babel protocol]]);
|
|
|
|
CF_CLI(SHOW BABEL INTERFACES, optsym opttext, [<name>] [\"<interface>\"], [[Show information about Babel interfaces]])
|
|
{ babel_show_interfaces(proto_get_named($4, &proto_babel), $5); };
|
|
|
|
CF_CLI(SHOW BABEL NEIGHBORS, optsym opttext, [<name>] [\"<interface>\"], [[Show information about Babel neighbors]])
|
|
{ babel_show_neighbors(proto_get_named($4, &proto_babel), $5); };
|
|
|
|
CF_CLI(SHOW BABEL ENTRIES, optsym opttext, [<name>], [[Show information about Babel prefix entries]])
|
|
{ babel_show_entries(proto_get_named($4, &proto_babel)); };
|
|
|
|
CF_CODE
|
|
|
|
CF_END
|