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bird/sysdep/linux/netlink.Y

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Cleanup in sysdep KRT code, part 4. Adding some files that was accidentally removed (instead of moved) in cleanup part 2.
2012-05-04 14:38:25 +00:00
/*
* 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
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 04:11:29 +00:00
CF_KEYWORDS(KERNEL, TABLE, METRIC, NETLINK, RX, BUFFER,
KRT: Add support for plenty of kernel route metrics Linux kernel route metrics (RTA_METRICS netlink route attribute) are represented and accessible as new route attributes: 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
2015-05-12 14:42:22 +00:00
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)
Cleanup in sysdep KRT code, part 4. Adding some files that was accidentally removed (instead of moved) in cleanup part 2.
2012-05-04 14:38:25 +00:00
Fixed various build problems on FreeBSD and/or CLang
2023-01-20 13:07:38 +00:00
%type <fab> attr_bit
Cleanup in sysdep KRT code, part 4. Adding some files that was accidentally removed (instead of moved) in cleanup part 2.
2012-05-04 14:38:25 +00:00
CF_GRAMMAR
Config: Dropping CF_ADDTO.
2018-06-26 12:29:03 +00:00
kern_proto: kern_proto kern_sys_item ';' ;
Cleanup in sysdep KRT code, part 4. Adding some files that was accidentally removed (instead of moved) in cleanup part 2.
2012-05-04 14:38:25 +00:00
Makes krt.c much more readable.
2013-06-29 20:55:41 +00:00
kern_sys_item:
KRT: Add kernel metric protocol option Kernel routes with different metrics do not clash with each other, therefore using dedicated metric value is a reliable way to avoid overwriting routes from other sources (e.g. kernel device routes). Although kernel route metric could already be set as a route attribute by filters, that is not consistent with the way how Linux kernel handles route metric - not just a route attribute, but a part of a route key.
2016-09-15 12:59:06 +00:00
KERNEL TABLE expr { THIS_KRT->sys.table_id = $3; }
| METRIC expr { THIS_KRT->sys.metric = $2; }
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 04:11:29 +00:00
| NETLINK RX BUFFER expr { THIS_KRT->sys.netlink_rx_buffer = $4; }
Cleanup in sysdep KRT code, part 4. Adding some files that was accidentally removed (instead of moved) in cleanup part 2.
2012-05-04 14:38:25 +00:00
;
Filter refactoring: dropped the recursion from the interpreter This is a major change of how the filters are interpreted. If everything works how it should, it should not affect you unless you are hacking the filters themselves. Anyway, this change should make a huge improvement in the filter performance as previous benchmarks showed that our major problem lies in the recursion itself. There are also some changes in nest and protocols, related mostly to spreading const declarations throughout the whole BIRD and also to refactored dynamic attribute definitions. The need of these came up during the whole work and it is too difficult to split out these not-so-related changes.
2018-12-27 13:26:11 +00:00
/* Bits of EA_KRT_LOCK, based on RTAX_* constants */
KRT: Add support for plenty of kernel route metrics Linux kernel route metrics (RTA_METRICS netlink route attribute) are represented and accessible as new route attributes: 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
2015-05-12 14:42:22 +00:00
Explicit definition structures of route attributes Changes in internal API: * Every route attribute must be defined as struct ea_class somewhere. * Registration of route attributes known at startup must be done by ea_register_init() from protocol build functions. * Every attribute has now its symbol registered in a global symbol table defined as SYM_ATTRIBUTE * All attribute ID's are dynamically allocated. * Attribute value custom formatting hook is defined in the ea_class. * Attribute names are the same for display and filters, always prefixed by protocol name. Also added some unit testing code for filters with route attributes.
2022-03-19 15:23:42 +00:00
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_SSTRESH { $$ = f_new_dynamic_attr_bit(6, "krt_lock"); } ;
attr_bit: KRT_LOCK_CWND { $$ = 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 { $$ = f_new_dynamic_attr_bit(10, "krt_lock"); } ;
attr_bit: KRT_LOCK_RTO_MIN { $$ = f_new_dynamic_attr_bit(13, "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"); } ;
KRT: Add support for plenty of kernel route metrics Linux kernel route metrics (RTA_METRICS netlink route attribute) are represented and accessible as new route attributes: 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
2015-05-12 14:42:22 +00:00
Merge commit '5951dfbd' into thread-next
2023-10-27 13:56:06 +00:00
/* 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 }; };
Cleanup in sysdep KRT code, part 4. Adding some files that was accidentally removed (instead of moved) in cleanup part 2.
2012-05-04 14:38:25 +00:00
CF_CODE
CF_END
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