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Annotation of embedaddon/bird/proto/babel/config.Y, revision 1.1.1.2

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