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bird/sysdep/linux/netlink.Y
Ondrej Zajicek (work) 81ee6cda2e Netlink: Add option to specify netlink socket receive buffer size
Add option 'netlink rx buffer' to specify netlink socket receive buffer
size. Uses SO_RCVBUFFORCE, so it can override rmem_max limit.

Thanks to Trisha Biswas and Michal for the original patches.
2022-01-17 05:11:29 +01:00

69 lines
3.5 KiB
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/*
* 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,
KRT_PREFSRC, KRT_REALM, KRT_SCOPE, KRT_MTU, KRT_WINDOW,
KRT_RTT, KRT_RTTVAR, KRT_SSTRESH, KRT_CWND, KRT_ADVMSS, KRT_REORDERING,
KRT_HOPLIMIT, KRT_INITCWND, KRT_RTO_MIN, KRT_INITRWND, KRT_QUICKACK,
KRT_LOCK_MTU, KRT_LOCK_WINDOW, KRT_LOCK_RTT, KRT_LOCK_RTTVAR,
KRT_LOCK_SSTRESH, KRT_LOCK_CWND, KRT_LOCK_ADVMSS, KRT_LOCK_REORDERING,
KRT_LOCK_HOPLIMIT, KRT_LOCK_RTO_MIN, KRT_FEATURE_ECN, KRT_FEATURE_ALLFRAG)
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; }
;
dynamic_attr: KRT_PREFSRC { $$ = f_new_dynamic_attr(EAF_TYPE_IP_ADDRESS, T_IP, EA_KRT_PREFSRC); } ;
dynamic_attr: KRT_REALM { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_REALM); } ;
dynamic_attr: KRT_SCOPE { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_SCOPE); } ;
dynamic_attr: KRT_MTU { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_MTU); } ;
dynamic_attr: KRT_WINDOW { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_WINDOW); } ;
dynamic_attr: KRT_RTT { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_RTT); } ;
dynamic_attr: KRT_RTTVAR { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_RTTVAR); } ;
dynamic_attr: KRT_SSTRESH { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_SSTRESH); } ;
dynamic_attr: KRT_CWND { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_CWND); } ;
dynamic_attr: KRT_ADVMSS { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_ADVMSS); } ;
dynamic_attr: KRT_REORDERING { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_REORDERING); } ;
dynamic_attr: KRT_HOPLIMIT { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_HOPLIMIT); } ;
dynamic_attr: KRT_INITCWND { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_INITCWND); } ;
dynamic_attr: KRT_RTO_MIN { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_RTO_MIN); } ;
dynamic_attr: KRT_INITRWND { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_INITRWND); } ;
dynamic_attr: KRT_QUICKACK { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_KRT_QUICKACK); } ;
/* Bits of EA_KRT_LOCK, based on RTAX_* constants */
dynamic_attr: KRT_LOCK_MTU { $$ = f_new_dynamic_attr_bit(2, T_BOOL, EA_KRT_LOCK); } ;
dynamic_attr: KRT_LOCK_WINDOW { $$ = f_new_dynamic_attr_bit(3, T_BOOL, EA_KRT_LOCK); } ;
dynamic_attr: KRT_LOCK_RTT { $$ = f_new_dynamic_attr_bit(4, T_BOOL, EA_KRT_LOCK); } ;
dynamic_attr: KRT_LOCK_RTTVAR { $$ = f_new_dynamic_attr_bit(5, T_BOOL, EA_KRT_LOCK); } ;
dynamic_attr: KRT_LOCK_SSTRESH { $$ = f_new_dynamic_attr_bit(6, T_BOOL, EA_KRT_LOCK); } ;
dynamic_attr: KRT_LOCK_CWND { $$ = f_new_dynamic_attr_bit(7, T_BOOL, EA_KRT_LOCK); } ;
dynamic_attr: KRT_LOCK_ADVMSS { $$ = f_new_dynamic_attr_bit(8, T_BOOL, EA_KRT_LOCK); } ;
dynamic_attr: KRT_LOCK_REORDERING { $$ = f_new_dynamic_attr_bit(9, T_BOOL, EA_KRT_LOCK); } ;
dynamic_attr: KRT_LOCK_HOPLIMIT { $$ = f_new_dynamic_attr_bit(10, T_BOOL, EA_KRT_LOCK); } ;
dynamic_attr: KRT_LOCK_RTO_MIN { $$ = f_new_dynamic_attr_bit(13, T_BOOL, EA_KRT_LOCK); } ;
dynamic_attr: KRT_FEATURE_ECN { $$ = f_new_dynamic_attr_bit(0, T_BOOL, EA_KRT_FEATURES); } ;
dynamic_attr: KRT_FEATURE_ALLFRAG { $$ = f_new_dynamic_attr(3, T_BOOL, EA_KRT_FEATURES); } ;
CF_CODE
CF_END