Annotation of embedaddon/bird2/proto/babel/config.Y, revision 1.1.1.1
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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