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Author SHA1 Message Date
Maria Matejka
550a6488c9 Filter: documentation of the M4 preprocessor 2019-07-02 17:39:56 +02:00
Ondrej Zajicek (work)
1187627a1d Netlink: Do unified scan for both IPv4 and IPv6 
Instead of separate scans for IPv4, IPv6 and MPLS, do one AF_UNSPEC scan.

This also avoids kernel issue when kernel reported IPv4 and IPv6 routes
during MPLS scan if MPLS is not active.
 2019-07-02 16:30:36 +02:00
Maria Matejka
c376555cec Filter: GCC, don't complain about indentation in generated code. 2019-07-02 13:13:29 +02:00
Maria Matejka
b40c0f028f Filter: Pre-evaluation of constant expressions 2019-07-02 10:45:53 +02:00
Maria Matejka
30667d5041 Filter: Resolving of defined constants in config time 2019-07-01 14:12:05 +02:00
Maria Matejka
26bfe59f45 Filter: Moved singleton member definitions to f-inst.c 2019-07-01 13:13:06 +02:00
Maria Matejka
4212c0e7e5 Filter: Moved f_inst allocation to separate function 2019-07-01 12:49:02 +02:00
Maria Matejka
f74d19765e Filter: Getting rid of RESULT_OK. Adding RESULT_VOID. 
This is a preparation for filter pre-evaluation.
 2019-07-01 12:07:06 +02:00
Maria Matejka
236828d06f Filter: The interpreter code now shares its diversion with constructor 
This is a preparation for filter pre-evaluation.
 2019-07-01 11:57:35 +02:00
Maria Jan Matejka
026bfedb33 BGP: Prefix hash is too small, increase its max size. 
This doesn't make any change for you until you have
millions of updates waiting to be sent. Increasing
the max hash size from 2^20 to 2^24.
 2019-07-01 09:05:54 +02:00
Maria Jan Matejka
9dac814ee8 BGP: split tx explicitly 
If BGP has too many data to send and BIRD is slower than the link, TX is
always possible until all data is sent. This patch limits maximum number
of generated BGP messages in one iteration of TX hook.
 2019-07-01 09:05:50 +02:00
Ondrej Zajicek (work)
bb57d9171f Add mock-up function for unit tests 
They failed without it.
 2019-06-30 22:30:56 +02:00
Ondrej Zajicek (work)
6c0f85d5de Doc: OSPF graceful restart options 2019-06-30 22:11:29 +02:00
Ondrej Zajicek (work)
1a2ad348f6 OSPF: Support for graceful restart 
Implement OSPFv2 (RFC 3623) and OSPFv3 (RFC 5187) graceful restart,
for both restarting and helper sides. Graceful restart is initiated
by 'graceful down' command.
 2019-06-30 21:30:41 +02:00
Ondrej Zajicek (work)
8a68316eb9 Nest: Add command to request graceful restart 
When 'graceful down' command is entered, protocols are shut down
with regard to graceful restart. Namely Kernel protocol does
not remove routes and BGP protocol does not send notification,
just closes the connection.
 2019-06-30 21:29:24 +02:00
Maria Matejka
63f49457dc Filter: renaming pointers for consistency 
The struct f_inst * is now always "what"
and the union member pointer is always "whati".
 2019-06-28 11:26:36 +02:00
Maria Matejka
64bb1346c7 Filter: A little cleanup of M4 interpreter generator 2019-06-27 23:57:59 +02:00
Maria Matejka
a8ab54d18d Merge remote-tracking branch 'refs/remotes/origin/mq-filter-stack' into mq-filter-stack 2019-06-25 22:40:05 +02:00
Maria Matejka
63e7620462 Conf/Filters: Moved argument count to conf scope 2019-06-25 16:18:06 +02:00
Maria Matejka
2e0777317f Filter instructions don't confuse now v1 and res. 2019-06-21 11:33:28 +02:00
Maria Matejka
a84b8b6ebb Revert "Filter: Dropped the setter instructions in favor of direct result storage." 
This reverts commit bd91338246.
 2019-06-19 14:09:57 +02:00
Maria Matejka
5c864e2cfa String: bstrtoul macro expanded to bstrtoul10 and 16 2019-06-13 14:27:58 +02:00
Maria Matejka
87c82334a7 Filter: removal of semantically insane consts in filter_commit 2019-06-13 14:24:48 +02:00
Ondrej Zajicek (work)
bdf2e55d98 Add mock-up function for unit tests 
They failed without it.
 2019-06-12 18:02:01 +02:00
Ondrej Zajicek (work)
9106a750cd Add CLI command to test reconfiguration status 
Based on patch from Kenth Eriksson <kenth.eriksson@infinera.com>.
 2019-06-12 17:15:35 +02:00
Kenth Eriksson
8a2cbb88d1 BIRD coding conventions 
Added Emacs config file describing BIRD coding conventions, as suggested
by Kenth Eriksson based on existing practice.
 2019-06-12 16:37:12 +02:00
Ondrej Zajicek (work)
d35fb9d732 BGP: Fix bug introduced in one of last patches 2019-06-12 16:37:12 +02:00
Maria Matejka
bd91338246 Filter: Dropped the setter instructions in favor of direct result storage. 
This should help filter performance a bit.
 2019-06-03 10:41:35 +02:00
Maria Matejka
aa6c5f4d92 Filter: Just a little comments in filter structure 2019-05-30 14:42:54 +02:00
Maria Matejka
1757a6fce5 Filter: Stacks moved to thread-local storage if available. 2019-05-29 21:03:52 +02:00
Jan Maria Matejka
6479e403ef Filters: If somebody doesn't like _Thread_local, don't fail for now, just be a little slower. 
When the parallel execution comes into place, we'll likely enforce this
C11 feature. It's much simpler and also faster than pthread_[sg]etspecific().
 2019-05-23 11:27:24 +00:00
Jan Maria Matejka
23e3b1e665 Filter: Some people can't pronounce "postfixify" correctly. Let's try "linearize" instead. 
This is just a naming change.
 2019-05-22 15:20:02 +00:00
Jan Maria Matejka
96d757c13f Filter: Store variables and function arguments on stack 2019-05-21 16:33:37 +00:00
Jan Maria Matejka
20c6ea70cc Filter: Making the filter state thread local. 
While having the filter code still reentrant if we really need,
the compiler can now do constant propagation and address the
thread local storage directly to save some computation time.
 2019-05-20 17:53:10 +00:00
Maria Matejka
9eef9c648c Lexer now returns known sym / unknown sym / keyword 2019-05-17 22:26:21 +02:00
Ondrej Zajicek (work)
dbbe4a783b Doc: Dynamic BGP 2019-04-30 16:16:50 +02:00
Alexander Azimov
7ff34ca2cb BGP: Compliance with RFC8203bis 2019-04-30 13:55:43 +02:00
Ondrej Zajicek (work)
0b1e1e1a00 BGP: Output Local AS number in show protocol 
Useful for implementation of agents implementing the SNMP-BGP MIB, which
requires the local AS of a session to be specified.

Thanks to Jan-Philipp Litza for the patch.
 2019-04-30 13:44:11 +02:00
Ondrej Zajicek (work)
e0835db4f1 BGP: Dynamic BGP 
Support for dynamically spawning BGP protocols for incoming connections.
Use 'neighbor range' to specify range of valid neighbor addresses, then
incoming connections from these addresses spawn new BGP instances.
 2019-04-30 13:32:39 +02:00
Ondrej Filip
df092aa1de Small type in doc. 2019-04-24 13:49:18 +02:00
Ondrej Zajicek (work)
6ff8119765 OSPFv3: Fix some overlooked cases in IPv4 mode 
Prefixes with max length (/32) were not handled properly.

Thanks to bauen1 for the bugreport.
 2019-04-12 14:11:23 +02:00
Ondrej Zajicek (work)
4a50c8bd03 BGP: Handle corner cases in event ordering 
When BGP connection is opened, it may happen that rx hook (with remote
OPEN) is called before tx hook (for local OPEN). Therefore, we need to do
internal changes (like setting local_caps) synchronously with OPENSENT
transition and we need to ensure that OPEN is sent before KEEPALIVE.
 2019-04-08 16:56:56 +02:00
Ondrej Zajicek (work)
23ee6b1cd6 BGP: Promiscuous ASN mode 
Allow to specify just 'internal' or 'external' for remote neighbor
instead of specific ASN. In the second case that means BGP peers with
any non-local ASNs are accepted.
 2019-04-03 15:54:50 +02:00
Ondrej Zajicek (work)
a22c3e5968 BGP: Separate runtime and config usage of local/remote ip and as fields 2019-04-02 17:22:31 +02:00
Maria Matejka
fe503c7c06 Filter: fixed error-checking bug in !~ operator 2019-03-23 13:32:14 +01:00
Maria Matejka
7078aa63ae Fixed one warning and one undefined value. 2019-03-22 21:40:35 +01:00
Maria Matejka
2ab680c697 Fixed an undefined symbol bug in CLI introduced by filter refactoring 2019-03-20 16:50:58 +01:00
Ondrej Zajicek (work)
3a22a6e858 Doc: Route attribute cleanups 2019-03-19 19:38:32 +01:00
Ondrej Zajicek (work)
3c3605818f BGP: Mandatory option for channels 
Allow to mark channel to be mandatory, and do not allow BGP sessions if
no common AFI/SAFI is established.
 2019-03-19 17:44:50 +01:00
Ondrej Zajicek (work)
7e5f769d91 BGP: Handle case where capabilites are not used 
If peer does not announce capabilities at all, or when we have
capabilities disabled, handle that as implicit IPv4 unicast.
 2019-03-18 14:29:12 +01:00