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Commit Graph

884 Commits

Author SHA1 Message Date
Maria Matejka
0eba27c69f Merge commit 'a32cee78' into HEAD 2022-10-04 15:59:15 +02:00
Maria Matejka
4e1c582cad Merge commit '71b434a9' into HEAD 2022-10-04 15:53:12 +02:00
Maria Matejka
becca314e2 Merge commit '0072d11f' into tmp-learn 2022-10-04 15:40:52 +02:00
Maria Matejka
61c127c021 Merge commit '9efaf6ba' into tmp-bad-learn
Also fixed forgotten best route selection among alien routes.
2022-09-29 09:59:32 +02:00
Maria Matejka
9be7aa9b45 Merge commit '4364ee' into tmp-bad-learn 2022-09-27 12:46:22 +02:00
Maria Matejka
32a67c93eb Merge commit 'cae5979871ee7aa341334f8b1af6bafc60ee9692' into tmp-bad-learn 2022-09-27 12:39:07 +02:00
Maria Matejka
57a34d466e KRT: Fix route learning
This is a reimplementation of commit 0f2be469f8
by Alexander Zubkov. In the master branch, changes in commit eb937358
broke setting of channel preference for alien routes learned during
scan. The preference was set only for async routes.

The original solution is extended here to accomodate for v3 specifics.
2022-09-27 12:17:05 +02:00
Maria Matejka
a32cee7813 Merge commit '534d0a4b' into thread-next 2022-08-05 10:37:53 +02:00
Maria Matejka
71b434a987 Merge commit 'f0507f05ce57398e135651896dace4cb68eeed54' into thread-next 2022-08-02 22:08:59 +02:00
Maria Matejka
058ed71139 Introducing basic RCU primitives for lock-less shared data structures 2022-08-02 10:00:21 +02:00
Maria Matejka
e858dce757 Moved the thread starting code to IO loop code 2022-07-28 19:49:03 +02:00
Ondrej Zajicek
534d0a4b44 KRT: Scan routing tables separetely on linux to avoid congestion
Remove compile-time sysdep option CONFIG_ALL_TABLES_AT_ONCE, replace it
with runtime ability to run either separate table scans or shared scan.

On Linux, use separate table scans by default when the netlink socket
option NETLINK_GET_STRICT_CHK is available, but retreat to shared scan
when it fails.

Running separate table scans has advantages where some routing tables are
managed independently, e.g. when multiple routing daemons are running on
the same machine, as kernel routing table modification performance is
significantly reduced when the table is modified while it is being
scanned.

Thanks Daniel Gröber for the original patch and Toke Høiland-Jørgensen
for suggestions.
2022-07-24 02:15:20 +02:00
Maria Matejka
08c8484608 Merge commit '94eb0858' into thread-next 2022-07-18 12:33:00 +02:00
Maria Matejka
4b6f5ee870 Merge commit 'a4451535' into thread-next 2022-07-18 11:11:46 +02:00
Maria Matejka
68a2c9d4c9 Merge commit '2e5bfeb73ac25e236a24b6c1a88d0f2221ca303f' into thread-next 2022-07-13 14:14:37 +02:00
Maria Matejka
af0d5ec279 Merge commit 'd429bc5c841a8e9d4c81786973edfa56d20a407e' into thread-next 2022-07-13 12:54:20 +02:00
Maria Matejka
5be34f5ab4 Merge commit '7e9cede1fd1878fb4c00e793bccd0ca6c18ad452' into thread-next 2022-07-13 12:02:34 +02:00
Maria Matejka
9efaf6bafe Dropped the internal kernel protocol table for learnt routes.
The learnt routes are now pushed all into the connected table, not only
the best one. This shouldn't do any damage in well managed setups, yet
it should be noted that it is a change of behavior.

If anybody misses a feature which they implemented by misusing this
internal learn table, let us know, we'll consider implementing it in a
better way.
2022-07-11 17:04:52 +02:00
Maria Matejka
2e5bfeb73a Merge remote-tracking branch 'origin/master' into backport 2022-07-11 11:08:10 +02:00
Maria Matejka
d429bc5c84 Merge commit 'beb5f78a' into backport 2022-07-11 10:41:17 +02:00
Maria Matejka
7e9cede1fd Merge version 2.0.10 into backport 2022-07-10 14:19:24 +02:00
Ondrej Zajicek (work)
946cedfcfe Filter: Implement soft scopes
Soft scopes are anonymous scopes that most likely do not contain any
symbol, so allocating regular scope is postponed when it is really
needed.
2022-06-27 21:13:31 +02:00
Maria Matejka
beb5f78ada Preexport callback now takes the channel instead of protocol as argument
Passing protocol to preexport was in fact a historical relic from the
old times when channels weren't a thing. Refactoring that to match
current extensibility needs.
2022-06-27 19:04:24 +02:00
Ondrej Zajicek
b867c798c3 NEWS and version update 2022-06-16 02:58:37 +02:00
Maria Matejka
4364ee9b6f Merge commit '938742decc6e1d6d3a0375dd012b75172e747bbc' into haugesund 2022-06-08 15:31:28 +02:00
Maria Matejka
cae5979871 Merge commit '950775f6fa3d569a9d7cd05e33538d35e895d688' into haugesund
There were quite a lot of conflicts in flowspec validation code which
ultimately led to some code being a bit rewritten, not only adapted from
this or that branch, yet it is still in a limit of a merge.
2022-06-08 11:47:49 +02:00
Ondrej Zajicek
f39e9aa203 IO: Improve resolution of latency debugging messages 2022-06-04 17:54:08 +02:00
Maria Matejka
1493695c6b Merge commit 'f15f2fcee7eeb5a100bd204a0e67018e25953420' into haugesund 2022-05-30 17:37:08 +02:00
Maria Matejka
41508ceac3 Merge commit '1c30b689ddd032ef8000fb7836348a48ba3184ff' into haugesund 2022-05-30 17:26:25 +02:00
Maria Matejka
65254128e1 Merge commit '702c04fbef222e802ca4dfac645dc75ede522db6' into haugesund 2022-05-30 17:18:46 +02:00
Maria Matejka
1a92ee9d4d Merge commit '337c04c45e1472d6d9b531a3c55f1f2d30ebf308' into haugesund 2022-05-30 17:18:03 +02:00
Maria Matejka
5051e3c4af Merge commit '17f91f9e6e70f7e3f29502e854823c0d48571eaa' into haugesund 2022-05-30 16:59:24 +02:00
Maria Matejka
8b4b7c6eae Merge commit 'cf07d8ad79273a3bbf0617c17e438602e4b64ece' into haugesund 2022-05-30 16:52:38 +02:00
Maria Matejka
e16e1e4138 Merge commit 'f2f3163f6c3fba7f9ef03640d7b2f6323873d2cc' into haugesund 2022-05-30 16:41:15 +02:00
Maria Matejka
b3649ec77e Merge commit 'ef6a903e6f44b467f9606018446095521ad01ef1' into haugesund 2022-05-30 16:20:35 +02:00
Maria Matejka
54344f15f8 Merge commit '0d0f6554a5c233bf2bf830ae319191c4b1808d49' into haugesund 2022-05-30 15:43:13 +02:00
Maria Matejka
3752654852 Merge commit '80272d4b64a38ee6f04a1c4e8566cac3a2293176' into haugesund 2022-05-30 15:39:32 +02:00
Maria Matejka
45af19dd99 Merge commit '652be92a21f5575e5f74f6abe98eb4200b86776c' into haugesund 2022-05-30 15:36:54 +02:00
Maria Matejka
d7b077f5d6 Merge commit '4a23ede2b056a41456790cc20a0c3d92a7137693' into haugesund 2022-05-30 15:31:19 +02:00
Maria Matejka
d024f471ea Merge commit 'ebd807c0b8eb0b7a3dc3371cd4c87ae886c00885' into haugesund 2022-05-30 15:27:46 +02:00
Maria Matejka
097f157182 Merge commit '692055e3df6cc9f0d428d3b0dd8cdd8e825eb6f4' into haugesund-to-2.0 2022-05-30 15:17:52 +02:00
Maria Matejka
938742decc Squashing the route attribute structure into one level.
For now, all route attributes are stored as eattrs in ea_list. This
should make route manipulation easier and it also allows for a layered
approach of route attributes where updates from filters will be stored
as an overlay over the previous version.
2022-05-30 14:39:09 +02:00
Maria Matejka
950775f6fa Route destination field merged with nexthop attribute; splitting flowspec validation result out.
As there is either a nexthop or another destination specification
(or othing in case of ROAs and Flowspec), it may be merged together.
This code is somehow quirky and should be replaced in future by better
implementation of nexthop.

Also flowspec validation result has its own attribute now as it doesn't
have anything to do with route nexthop.
2022-05-30 14:39:09 +02:00
Maria Matejka
f15f2fcee7 Moved nexthop from struct rta to extended attribute.
This doesn't do anything more than to put the whole structure inside
adata. The overall performance is certainly going downhill; we'll
optimize this later.

Anyway, this is one of the latest items inside rta and in several
commits we may drop rta completely and move to eattrs-only routes.
2022-05-26 12:34:26 +02:00
Maria Matejka
1c30b689dd Moved route source attribute (RTS_*) to eattrs 2022-05-04 15:39:53 +02:00
Maria Matejka
702c04fbef Removing the route scope attribute. Use custom attributes instead.
The route scope attribute was used for simple user route marking. As
there is a better tool for this (custom attributes), the old and limited
way can be dropped.
2022-05-04 15:39:21 +02:00
Maria Matejka
337c04c45e Moved route preference to eattrs 2022-05-04 15:39:21 +02:00
Maria Matejka
cce974e8ea Conf: Allowing keyword redefinition
Some tokens are both keywords and symbols. For now, we allow only
specific keywords to be redefined; in future, more of the keywords may
be added to this category.

The redefinable keywords must be specified in any .Y file as follows:

  toksym: THE_KEYWORD ;

See proto/bgp/config.Y for an example.

Also dropped a lot of unused terminals.
2022-05-04 15:39:21 +02:00
Maria Matejka
17f91f9e6e 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.
2022-05-04 15:39:19 +02:00
Maria Matejka
cf07d8ad79 Replaced boilerplate eattr allocation by ea_set_attr() 2022-05-04 15:38:40 +02:00