/*
 *	BIRD -- Linux Netlink Configuration
 *
 *	(c) 1999--2000 Martin Mares <mj@ucw.cz>
 *
 *	Can be freely distributed and used under the terms of the GNU GPL.
 */

CF_HDR

CF_DECLS

CF_KEYWORDS(KERNEL, TABLE, METRIC, NETLINK, RX, BUFFER)

CF_KEYWORDS(KRT_LOCK_MTU, KRT_LOCK_WINDOW, KRT_LOCK_RTT, KRT_LOCK_RTTVAR,
	    KRT_LOCK_SSTHRESH, KRT_LOCK_CWND, KRT_LOCK_ADVMSS, KRT_LOCK_REORDERING,
	    KRT_LOCK_HOPLIMIT, KRT_LOCK_INITCWND, KRT_LOCK_RTO_MIN, KRT_LOCK_INITRWND,
	    KRT_LOCK_QUICKACK, KRT_LOCK_CONGCTL, KRT_LOCK_FASTOPEN_NO_COOKIE,
	    KRT_FEATURE_ECN, KRT_FEATURE_ALLFRAG)

%type <fab> attr_bit


CF_GRAMMAR

kern_proto: kern_proto kern_sys_item ';' ;

kern_sys_item:
   KERNEL TABLE expr { THIS_KRT->sys.table_id = $3; }
 | METRIC expr { THIS_KRT->sys.metric = $2; }
 | NETLINK RX BUFFER expr { THIS_KRT->sys.netlink_rx_buffer = $4; }
 ;

/* Bits of EA_KRT_LOCK, based on RTAX_* constants */
attr_bit: KRT_LOCK_MTU		{ $$ = f_new_dynamic_attr_bit(2, "krt_lock"); } ;
attr_bit: KRT_LOCK_WINDOW	{ $$ = f_new_dynamic_attr_bit(3, "krt_lock"); } ;
attr_bit: KRT_LOCK_RTT		{ $$ = f_new_dynamic_attr_bit(4, "krt_lock"); } ;
attr_bit: KRT_LOCK_RTTVAR	{ $$ = f_new_dynamic_attr_bit(5, "krt_lock"); } ;
attr_bit: KRT_LOCK_SSTHRESH	{ $$ = f_new_dynamic_attr_bit(6, "krt_lock"); } ;
attr_bit: KRT_LOCK_CWND		{ $$ = f_new_dynamic_attr_bit(7, "krt_lock"); } ;
attr_bit: KRT_LOCK_ADVMSS	{ $$ = f_new_dynamic_attr_bit(8, "krt_lock"); } ;
attr_bit: KRT_LOCK_REORDERING	{ $$ = f_new_dynamic_attr_bit(9, "krt_lock"); } ;
attr_bit: KRT_LOCK_HOPLIMIT	{ $$ = f_new_dynamic_attr_bit(10, "krt_lock"); } ;
attr_bit: KRT_LOCK_INITCWND	{ $$ = f_new_dynamic_attr_bit(11, "krt_lock"); } ;
/* No lock for FEATURES bitfield */
attr_bit: KRT_LOCK_RTO_MIN	{ $$ = f_new_dynamic_attr_bit(13, "krt_lock"); } ;
attr_bit: KRT_LOCK_INITRWND	{ $$ = f_new_dynamic_attr_bit(14, "krt_lock"); } ;
attr_bit: KRT_LOCK_QUICKACK	{ $$ = f_new_dynamic_attr_bit(15, "krt_lock"); } ;
attr_bit: KRT_LOCK_CONGCTL	{ $$ = f_new_dynamic_attr_bit(16, "krt_lock"); } ;
attr_bit: KRT_LOCK_FASTOPEN_NO_COOKIE	{ $$ = f_new_dynamic_attr_bit(17, "krt_lock"); } ;

/* Bits of EA_KRT_FEATURES */
attr_bit: KRT_FEATURE_ECN	{ $$ = f_new_dynamic_attr_bit(0, "krt_features"); } ;
attr_bit: KRT_FEATURE_ALLFRAG { $$ = f_new_dynamic_attr_bit(3, "krt_features"); } ;

/* Using attribute bits in filters (moved here to not confuse Bison on *BSD) */
lvalue: attr_bit { $$ = (struct f_lval) { .type = F_LVAL_ATTR_BIT, .fab = $1, .rte = f_new_inst(FI_CURRENT_ROUTE), }; };

CF_CODE

CF_END