Annotation of embedaddon/bird2/proto/babel/config.Y, revision 1.1
1.1 ! misho 1: /*
! 2: * BIRD -- Babel Configuration
! 3: *
! 4: * Copyright (c) 2015-2016 Toke Hoiland-Jorgensen
! 5: * (c) 2016--2017 Ondrej Zajicek <santiago@crfreenet.org>
! 6: * (c) 2016--2017 CZ.NIC z.s.p.o.
! 7: *
! 8: * Can be freely distributed and used under the terms of the GNU GPL.
! 9: */
! 10:
! 11:
! 12:
! 13: CF_HDR
! 14:
! 15: #include "proto/babel/babel.h"
! 16: #include "nest/iface.h"
! 17:
! 18: CF_DEFINES
! 19:
! 20: #define BABEL_CFG ((struct babel_config *) this_proto)
! 21: #define BABEL_IFACE ((struct babel_iface_config *) this_ipatt)
! 22:
! 23: CF_DECLS
! 24:
! 25: CF_KEYWORDS(BABEL, INTERFACE, METRIC, RXCOST, HELLO, UPDATE, INTERVAL, PORT,
! 26: TYPE, WIRED, WIRELESS, RX, TX, BUFFER, PRIORITY, LENGTH, CHECK, LINK,
! 27: NEXT, HOP, IPV4, IPV6, BABEL_METRIC, SHOW, INTERFACES, NEIGHBORS,
! 28: ENTRIES, RANDOMIZE, ROUTER, ID)
! 29:
! 30: CF_GRAMMAR
! 31:
! 32: proto: babel_proto ;
! 33:
! 34: babel_proto_start: proto_start BABEL
! 35: {
! 36: this_proto = proto_config_new(&proto_babel, $1);
! 37: init_list(&BABEL_CFG->iface_list);
! 38: BABEL_CFG->hold_time = 1 S_;
! 39: };
! 40:
! 41: babel_proto_item:
! 42: proto_item
! 43: | proto_channel
! 44: | INTERFACE babel_iface
! 45: | RANDOMIZE ROUTER ID bool { BABEL_CFG->randomize_router_id = $4; }
! 46: ;
! 47:
! 48: babel_proto_opts:
! 49: /* empty */
! 50: | babel_proto_opts babel_proto_item ';'
! 51: ;
! 52:
! 53: babel_proto:
! 54: babel_proto_start proto_name '{' babel_proto_opts '}';
! 55:
! 56:
! 57: babel_iface_start:
! 58: {
! 59: this_ipatt = cfg_allocz(sizeof(struct babel_iface_config));
! 60: add_tail(&BABEL_CFG->iface_list, NODE this_ipatt);
! 61: init_list(&this_ipatt->ipn_list);
! 62: BABEL_IFACE->port = BABEL_PORT;
! 63: BABEL_IFACE->type = BABEL_IFACE_TYPE_WIRED;
! 64: BABEL_IFACE->limit = BABEL_HELLO_LIMIT;
! 65: BABEL_IFACE->tx_tos = IP_PREC_INTERNET_CONTROL;
! 66: BABEL_IFACE->tx_priority = sk_priority_control;
! 67: BABEL_IFACE->check_link = 1;
! 68: };
! 69:
! 70:
! 71: babel_iface_finish:
! 72: {
! 73: if (BABEL_IFACE->type == BABEL_IFACE_TYPE_WIRELESS)
! 74: {
! 75: if (!BABEL_IFACE->hello_interval)
! 76: BABEL_IFACE->hello_interval = BABEL_HELLO_INTERVAL_WIRELESS;
! 77: if (!BABEL_IFACE->rxcost)
! 78: BABEL_IFACE->rxcost = BABEL_RXCOST_WIRELESS;
! 79: }
! 80: else
! 81: {
! 82: if (!BABEL_IFACE->hello_interval)
! 83: BABEL_IFACE->hello_interval = BABEL_HELLO_INTERVAL_WIRED;
! 84: if (!BABEL_IFACE->rxcost)
! 85: BABEL_IFACE->rxcost = BABEL_RXCOST_WIRED;
! 86: }
! 87:
! 88: /* Make sure we do not overflow the 16-bit centisec fields */
! 89: if (!BABEL_IFACE->update_interval)
! 90: BABEL_IFACE->update_interval = MIN_(BABEL_IFACE->hello_interval*BABEL_UPDATE_INTERVAL_FACTOR, BABEL_MAX_INTERVAL);
! 91: BABEL_IFACE->ihu_interval = MIN_(BABEL_IFACE->hello_interval*BABEL_IHU_INTERVAL_FACTOR, BABEL_MAX_INTERVAL);
! 92:
! 93: BABEL_CFG->hold_time = MAX_(BABEL_CFG->hold_time, BABEL_IFACE->update_interval*BABEL_HOLD_TIME_FACTOR);
! 94: };
! 95:
! 96:
! 97: babel_iface_item:
! 98: | PORT expr { BABEL_IFACE->port = $2; if (($2<1) || ($2>65535)) cf_error("Invalid port number"); }
! 99: | RXCOST expr { BABEL_IFACE->rxcost = $2; if (($2<1) || ($2>65535)) cf_error("Invalid rxcost"); }
! 100: | LIMIT expr { BABEL_IFACE->limit = $2; if (($2<1) || ($2>16)) cf_error("Limit must be in range 1-16"); }
! 101: | TYPE WIRED { BABEL_IFACE->type = BABEL_IFACE_TYPE_WIRED; }
! 102: | TYPE WIRELESS { BABEL_IFACE->type = BABEL_IFACE_TYPE_WIRELESS; }
! 103: | HELLO INTERVAL expr_us { BABEL_IFACE->hello_interval = $3; if (($3<BABEL_MIN_INTERVAL) || ($3>BABEL_MAX_INTERVAL)) cf_error("Hello interval must be in range 10 ms - 655 s"); }
! 104: | UPDATE INTERVAL expr_us { BABEL_IFACE->update_interval = $3; if (($3<BABEL_MIN_INTERVAL) || ($3>BABEL_MAX_INTERVAL)) cf_error("Update interval must be in range 10 ms - 655 s"); }
! 105: | RX BUFFER expr { BABEL_IFACE->rx_buffer = $3; if (($3<256) || ($3>65535)) cf_error("RX buffer must be in range 256-65535"); }
! 106: | TX LENGTH expr { BABEL_IFACE->tx_length = $3; if (($3<256) || ($3>65535)) cf_error("TX length must be in range 256-65535"); }
! 107: | TX tos { BABEL_IFACE->tx_tos = $2; }
! 108: | TX PRIORITY expr { BABEL_IFACE->tx_priority = $3; }
! 109: | CHECK LINK bool { BABEL_IFACE->check_link = $3; }
! 110: | NEXT HOP IPV4 ipa { BABEL_IFACE->next_hop_ip4 = $4; if (!ipa_is_ip4($4)) cf_error("Must be an IPv4 address"); }
! 111: | NEXT HOP IPV6 ipa { BABEL_IFACE->next_hop_ip6 = $4; if (!ipa_is_ip6($4)) cf_error("Must be an IPv6 address"); }
! 112: ;
! 113:
! 114: babel_iface_opts:
! 115: /* empty */
! 116: | babel_iface_opts babel_iface_item ';'
! 117: ;
! 118:
! 119: babel_iface_opt_list:
! 120: /* empty */
! 121: | '{' babel_iface_opts '}'
! 122: ;
! 123:
! 124:
! 125: babel_iface:
! 126: babel_iface_start iface_patt_list_nopx babel_iface_opt_list babel_iface_finish;
! 127:
! 128: dynamic_attr: BABEL_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_BABEL_METRIC); } ;
! 129:
! 130: CF_CLI_HELP(SHOW BABEL, ..., [[Show information about Babel protocol]]);
! 131:
! 132: CF_CLI(SHOW BABEL INTERFACES, optproto opttext, [<name>] [\"<interface>\"], [[Show information about Babel interfaces]])
! 133: { babel_show_interfaces(proto_get_named($4, &proto_babel), $5); };
! 134:
! 135: CF_CLI(SHOW BABEL NEIGHBORS, optproto opttext, [<name>] [\"<interface>\"], [[Show information about Babel neighbors]])
! 136: { babel_show_neighbors(proto_get_named($4, &proto_babel), $5); };
! 137:
! 138: CF_CLI(SHOW BABEL ENTRIES, optproto opttext, [<name>], [[Show information about Babel prefix entries]])
! 139: { babel_show_entries(proto_get_named($4, &proto_babel)); };
! 140:
! 141: CF_CLI(SHOW BABEL ROUTES, optproto opttext, [<name>], [[Show information about Babel route entries]])
! 142: { babel_show_routes(proto_get_named($4, &proto_babel)); };
! 143:
! 144: CF_CODE
! 145:
! 146: CF_END
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