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|
/*
* BIRD -- Router Advertisement Configuration
*
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
CF_HDR
#include "proto/bfd/bfd.h"
CF_DEFINES
#define BFD_CFG ((struct bfd_config *) this_proto)
#define BFD_IFACE ((struct bfd_iface_config *) this_ipatt)
#define BFD_NEIGHBOR this_bfd_neighbor
static struct bfd_neighbor *this_bfd_neighbor;
extern struct bfd_config *bfd_cf;
CF_DECLS
CF_KEYWORDS(BFD, MIN, IDLE, RX, TX, INTERVAL, MULTIPLIER, PASSIVE,
INTERFACE, MULTIHOP, NEIGHBOR, DEV, LOCAL)
%type <iface> bfd_neigh_iface
%type <a> bfd_neigh_local
%type <i> bfd_neigh_multihop
CF_GRAMMAR
CF_ADDTO(proto, bfd_proto)
bfd_proto_start: proto_start BFD
{
this_proto = proto_config_new(&proto_bfd, sizeof(struct bfd_config), $1);
init_list(&BFD_CFG->patt_list);
init_list(&BFD_CFG->neigh_list);
if (bfd_cf)
cf_error("Only one BFD instance allowed");
bfd_cf = BFD_CFG;
};
bfd_proto_item:
proto_item
| INTERFACE bfd_iface
| MULTIHOP bfd_multihop
| NEIGHBOR bfd_neighbor
;
bfd_proto_opts:
/* empty */
| bfd_proto_opts bfd_proto_item ';'
;
bfd_proto:
bfd_proto_start proto_name '{' bfd_proto_opts '}';
bfd_iface_start:
{
this_ipatt = cfg_allocz(sizeof(struct bfd_iface_config));
init_list(&this_ipatt->ipn_list);
BFD_IFACE->min_rx_int = BFD_DEFAULT_MIN_RX_INT;
BFD_IFACE->min_tx_int = BFD_DEFAULT_MIN_TX_INT;
BFD_IFACE->idle_tx_int = BFD_DEFAULT_IDLE_TX_INT;
BFD_IFACE->multiplier = BFD_DEFAULT_MULTIPLIER;
};
bfd_iface_item:
INTERVAL expr_us { BFD_IFACE->min_rx_int = BFD_IFACE->min_tx_int = $2; }
| MIN RX INTERVAL expr_us { BFD_IFACE->min_rx_int = $4; }
| MIN TX INTERVAL expr_us { BFD_IFACE->min_tx_int = $4; }
| IDLE TX INTERVAL expr_us { BFD_IFACE->idle_tx_int = $4; }
| MULTIPLIER expr { BFD_IFACE->multiplier = $2; }
| PASSIVE bool { BFD_IFACE->passive = $2; }
;
bfd_iface_opts:
/* empty */
| bfd_iface_opts bfd_iface_item ';'
;
bfd_iface_opt_list:
/* empty */
| '{' bfd_iface_opts '}'
;
bfd_iface: bfd_iface_start iface_patt_list_nopx bfd_iface_opt_list
{ add_tail(&BFD_CFG->patt_list, NODE this_ipatt); };
bfd_multihop: bfd_iface_start bfd_iface_opt_list
{ BFD_CFG->multihop = BFD_IFACE; };
bfd_neigh_iface:
/* empty */ { $$ = NULL; }
| '%' SYM { $$ = if_get_by_name($2->name); }
| DEV TEXT { $$ = if_get_by_name($2); }
;
bfd_neigh_local:
/* empty */ { $$ = IPA_NONE; }
| LOCAL ipa { $$ = $2; }
;
bfd_neigh_multihop:
/* empty */ { $$ = 0; }
| MULTIHOP bool { $$ = $2; }
;
bfd_neighbor: ipa bfd_neigh_iface bfd_neigh_local bfd_neigh_multihop
{
this_bfd_neighbor = cfg_allocz(sizeof(struct bfd_neighbor));
add_tail(&BFD_CFG->neigh_list, NODE this_bfd_neighbor);
BFD_NEIGHBOR->addr = $1;
BFD_NEIGHBOR->local = $3;
BFD_NEIGHBOR->iface = $2;
BFD_NEIGHBOR->multihop = $4;
if ($4 && $2)
cf_error("Neighbor cannot set both interface and multihop");
if ($4 && ipa_zero($3))
cf_error("Multihop neighbor requires specified local address");
};
CF_CLI_HELP(SHOW BFD, ..., [[Show information about BFD protocol]]);
CF_CLI(SHOW BFD SESSIONS, optsym, [<name>], [[Show information about BFD sessions]])
{ bfd_show_sessions(proto_get_named($4, &proto_bfd)); };
CF_CODE
CF_END
|
