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2022-07-11There are now no internal tables at all.Maria Matejka
2022-07-11Export tables merged with BGP prefix hashMaria Matejka
Until now, if export table was enabled, Nest was storing exactly the route before rt_notify() was called on it. This was quite sloppy and spooky and it also wasn't reflecting the changes BGP does before sending. And as BGP is storing the routes to be sent anyway, we are simply keeping the already-sent routes in there to better rule out unneeded reexports. Some of the route attributes (IGP metric, preference) make no sense in BGP, therefore these will be probably replaced by something sensible. Also the nexthop shown in the short output is the BGP nexthop.
2022-07-11Do not try to check flowspec validity for piped routesMaria Matejka
2022-07-11Fixed bad import table attributes freeingMaria Matejka
2022-07-11Attribute lists split to storage headers and data to save BGP memoryMaria Matejka
2022-07-11Show route uses the export request also for one-net queriesMaria Matejka
2022-07-11Added forgotten route source locking in flowspec validationMaria Matejka
2022-07-11Merge remote-tracking branch 'origin/master' into backportMaria Matejka
2022-07-11Merge commit 'beb5f78a' into backportMaria Matejka
2022-07-10Merge version 2.0.10 into backportMaria Matejka
2022-06-27Filter: Implement for loopsOndrej Zajicek (work)
For loops allow to iterate over elements in compound data like BGP paths or community lists. The syntax is: for [ <type> ] <variable> in <expr> do <command-body>
2022-06-27Filter: Improve handling of stack frames in filter bytecodeOndrej Zajicek (work)
When f_line is done, we have to pop the stack frame. The old code just removed nominal number of args/vars. Change it to use stored ventry value modified by number of returned values. This allows to allocate variables on a stack frame during execution of f_lines instead of just at start. But we need to know the number of returned values for a f_line. It is 1 for term, 0 for cmd. Store that to f_line during linearization.
2022-06-27Nest: Cleanups in as_path_filter()Ondrej Zajicek (work)
Use struct f_val as a common argument for as_path_filter(), as suggested by Alexander Zubkov. That allows to use NULL sets as valid arguments.
2022-06-27Preexport callback now takes the channel instead of protocol as argumentMaria Matejka
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.
2022-06-27Moved nexthop + hostentry display to other eattrsMaria Matejka
2022-06-27Route attribute display now normalizes ea_lists.Maria Matejka
This is needed to display every attribute only once with overlay attribute lists recently introduced.
2022-06-27Fixed new route comparisonMaria Matejka
2022-06-27Fixed displaying BGP and RIP attributes after recent reworksMaria Matejka
2022-06-27Fixed minor bugs in handling some route attributesMaria Matejka
2022-06-27Fixed undefined attribute handlingMaria Matejka
2022-06-27The show-route CLI command now uses the route export APIMaria Matejka
In the multithreaded environment, it is not supposed that anybody traverses the routing table as the CLI show-route was doing. Now the routing table traversal is gone and CLI won't hold the table locked while computing filters.
2022-06-24Allowed optimized exporting of a subprefix treeMaria Matejka
Added an option for export filter to allow for prefiltering based on the prefix. Routes outside the given prefix are completely ignored. Config is simple: export in <net> <filter>;
2022-06-24Table export generalized to allow for exporting from non-tablesMaria Matejka
2022-06-20Import tables are stored as an attribute layer inside the main tables.Maria Matejka
The separate import tables were too memory-greedy, there is no need for them being stored as full-sized tables.
2022-06-17Route attribute storage keeps the previous layersMaria Matejka
2022-06-16Showing the nexthop resolution target in import tablesMaria Matejka
2022-06-08Merge commit '938742decc6e1d6d3a0375dd012b75172e747bbc' into haugesundMaria Matejka
2022-06-08Merge commit '950775f6fa3d569a9d7cd05e33538d35e895d688' into haugesundMaria Matejka
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.
2022-06-07Fixing FlowSpec validation for v3 internal APIMaria Matejka
Validation is called internally from route table at the same place where nexthop resolution is done. Also accounting for rte->sender semantics change (not a channel but the import hook instead).
2022-06-04Nest: Improve GC strategy for rtablesOndrej Zajicek
Use timer (configurable as 'gc period') to schedule routing table GC/pruning to ensure that prune is done on time but not too often. Randomize GC timers to avoid concentration of GC events from different tables in one loop cycle. Fix a bug that caused minimum inter-GC interval be 5 us instead of 5 s. Make default 'gc period' adaptive based on number of routing tables, from 10 s for small setups to 600 s for large ones. In marge multi-table RS setup, the patch improved time of flushing a downed peer from 20-30 min to <2 min and removed 40s latencies.
2022-05-31Merge commit '4fe9881d625f10e44109a649e369a413bd98de71' into haugesundMaria Matejka
2022-05-30Merge commit 'f15f2fcee7eeb5a100bd204a0e67018e25953420' into haugesundMaria Matejka
2022-05-30Merge commit 'f2e725a76882ba6b75c3ce4fb3c760bd83462410' into haugesundMaria Matejka
2022-05-30Merge commit '1c30b689ddd032ef8000fb7836348a48ba3184ff' into haugesundMaria Matejka
2022-05-30Merge commit '702c04fbef222e802ca4dfac645dc75ede522db6' into haugesundMaria Matejka
2022-05-30Merge commit '337c04c45e1472d6d9b531a3c55f1f2d30ebf308' into haugesundMaria Matejka
2022-05-30Merge commit 'd8661a4397e4576ac404661b192dd99d928e7890' into haugesundMaria Matejka
2022-05-30Merge commit '17f91f9e6e70f7e3f29502e854823c0d48571eaa' into haugesundMaria Matejka
2022-05-30Merge commit '165156beeb2926472bbceca3c103aacc3f81a8cc' into haugesundMaria Matejka
2022-05-30Merge commit '1d309c4ce6e95b68c64a8f007f6dd2f1830a5707' into haugesundMaria Matejka
2022-05-30Merge commit 'f2f3163f6c3fba7f9ef03640d7b2f6323873d2cc' into haugesundMaria Matejka
2022-05-30Merge commit 'de86040b2cf4ec9bfbb64f0e208a19d4d7e51adc' into haugesundMaria Matejka
2022-05-30Merge commit '3fb70b26faca6788aa0bdf1d558414f9f777c6cd' into haugesundMaria Matejka
2022-05-30Merge commit 'ef6a903e6f44b467f9606018446095521ad01ef1' into haugesundMaria Matejka
2022-05-30Merge commit '0e1e632f70b74cf111f08175ab3634db2f962579' into haugesundMaria Matejka
2022-05-30Merge commit '0d0f6554a5c233bf2bf830ae319191c4b1808d49' into haugesundMaria Matejka
2022-05-30Merge commit '80272d4b64a38ee6f04a1c4e8566cac3a2293176' into haugesundMaria Matejka
2022-05-30Merge commit 'cd9550b24487ac7327b0234fd825f4214fdf7b16' into haugesundMaria Matejka
2022-05-30Merge commit '652be92a21f5575e5f74f6abe98eb4200b86776c' into haugesundMaria Matejka
2022-05-30Merge commit '98fd158e28d89f10ee7a41b4f6a14fbd0021ef35' into haugesundMaria Matejka
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