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Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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Append zebra and lib to use muliple SRv6 segs SIDs, and keep one
seg SID for bgpd and sharpd.
Note: bgpd and sharpd compilation relies on the lib and zebra files,
i.e if we separate this: lib or zebra or bgpd or sharpd in different
commits - this will not compile.
Signed-off-by: Dmytro Shytyi <dmytro.shytyi@6wind.com>
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Add a config option so that sharpd can install routes without
the ALLOW_RECURSION flag, matching IGP behavior.
The default remains 'recursion'.
Signed-off-by: Mark Stapp <mjs@labn.net>
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Add cli and support to sharpd to exercise the zapi opaque
'notification' features.
Signed-off-by: Mark Stapp <mjs@labn.net>
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lib: Update edge key in link state database
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Following the modification of the edge key in link state database
this patch updates the sharp_vty.c file to replace the old uint64_t edge key by
the new ls_edge_key structure when searching for an edge.
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
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When passing a prefix into a function let's pass by address instead
of pass by value. Let's save our stack space.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Free path
Signed-off-by: Keelan Cannoo <keelan.cannoo@icloud.com>
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Following correction of IS-IS subnet creation, this patch adjust the way the
TED is created in sharpd to automatically adjust subnet deletion.
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
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We should probably prevent any type of namespace collision
with something else.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Let's find a better name for it.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Convert the `struct thread_master` to `struct event_master`
across the code base.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Effectively a massive search and replace of
`struct thread` to `struct event`. Using the
term `thread` gives people the thought that
this event system is a pthread when it is not
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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This is a first in a series of commits, whose goal is to rename
the thread system in FRR to an event system. There is a continual
problem where people are confusing `struct thread` with a true
pthread. In reality, our entire thread.c is an event system.
In this commit rename the thread.[ch] files to event.[ch].
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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*: convert to SPDX License identifiers
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clang-format style fix
Signed-off-by: Stephen Worley <sworley@nvidia.com>
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Add the ability for sharpd to install vni labels for testing.
This patch is just for testing/dev work purposes with evpn.
It adds some code to vty for nexthop-groups so we can explicitly
add a label to nexthops and then let sharpd encode them to zebra.
Signed-off-by: Stephen Worley <sworley@nvidia.com>
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Done with a combination of regex'ing and banging my head against a wall.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This commit adds a command to sharpd to validate the proof of concept for
traffic control on specific interface with specific filters.
Signed-off-by: Siger Yang <siger.yang@outlook.com>
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At this point add abilty for the encode/decode of the
resilience down ZAPI to zebra. Just hookup sharpd
at this point in time.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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This patch just introduces the callback mechanism for the
resilient nexthop changes so that upper level daemons
can take advantage of the change. This does nothing
at this point but just call some code.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Rather than running selected source files through the preprocessor and a
bunch of perl regex'ing to get the list of all DEFUNs, use the data
collected in frr.xref.
This not only eliminates issues we've been having with preprocessor
failures due to nonexistent header files, but is also much faster.
Where extract.pl would take 5s, this now finishes in 0.2s. And since
this is a non-parallelizable build step towards the end of the build
(dependent on a lot of other things being done already), the speedup is
actually noticeable.
Also files containing CLI no longer need to be listed in `vtysh_scan`
since the .xref data covers everything. `#ifndef VTYSH_EXTRACT_PL`
checks are equally obsolete.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This commit adds the support for SRv6 End.DT46 behavior to SHARPD.
Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
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There are lib debugs being set but never show up in
`show debug` commands because there was no way to show
that they were being used. Add a bit of infrastructure
to allow this and then use it for `debug route-map`
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Running the `zebra_seg6local_route` topotest with `--valgrind-memleaks`
gives several memory leak errors. This is due to the way SRv6 routes
(seg6 and seg6local routes) are handled: when the user executes the CLI
command `sharp install seg6-routes` or `sharp install seg6local-routes`
to create a seg6 or seg6local route, sharpd calls
`nexthop_add_srv6_seg6` or `nexthop_add_srv6_seg6local` to create an
SRv6 nexthop. A pointer to the SRv6 nexthop is stored in the global data
structure `sg.r.nhop`. If you call `sharp install routes`,
`sharp install seg6-routes` or `sharp install seg6local-routes` to create
more routes, `sg.r.nhop` is set to zero and the
pointer to the SRv6 nexthop contained in `sg.r.nhop` is definitely lost
and the allocated memory is never freed.
This patch adds calls to `nexthop_del_srv6_seg6()` and
`nexthop_del_srv6_seg6local()` to free the memory allocated for the SRv6
nexthop before clearing the `sg.r.nhop` data structure.
Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
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Running the `zebra_seg6local_route` topotest with `--valgrind-memleaks`
gives several memory leak errors. This is due to the way SRv6 chunks are
released: when the user executes the CLI command
`sharp srv6-manager release-locator-chunk` to release the chunks of an
SRv6 locator, the `list_delete()` function is called to delete the
chunks list (`loc->chunks`), but the memory allocated for the chunks is
not freed.
This patch defines a new callback `sharp_srv6_locator_chunk_free()`.
This callback takes care of freeing the memory allocated for a given
chunk. When `list_delete()` is called to remove the chunk list
`loc->chunks`, it automatically calls `sharp_srv6_locator_chunk_free()`
on each element of the list to free the allocated memory before
deleting the list.
Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
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Running the `zebra_seg6local_route` topotest with `--valgrind-memleaks`
gives several memory leak errors. This is due to the way SRv6 chunks are
released: when the user executes the CLI command
`sharp srv6-manager release-locator-chunk` to release the chunks of an
SRv6 locator, all the chunks are removed from the list `loc->chunks`.
Also, the locator is removed from the SRv6 locators list
`sg.srv6_locators`, but the memory allocated for the locator is not
freed.
This patch adds a call to `XFREE()` to properly free the allocated
memory when all the chunks of an SRv6 locator are removed and the
locator is removed as well.
Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
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Some recent improvement in GCC triggers 2 new warnings, and they're
actual bugs (reading beyond end of prefix_ipv6 by accessing it as
prefix, which is larger.) Luckily it's only in sharpd.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Just pushing that SAFI_UNICAST up 1 level to the caller.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Add Support for Setting Protodown Reason Code
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Currently the nexthop tracking code is only sending to the requestor
what it was requested to match against. When the nexthop tracking
code was simplified to not need an import check and a nexthop check
in b8210849b8ac1abe2d5d9a5ab2459abfde65efa5 for bgpd. It was not
noticed that a longer prefix could match but it would be seen
as a match because FRR was not sending up both the resolved
route prefix and the route FRR was asked to match against.
This code change causes the nexthop tracking code to pass
back up the matched requested route (so that the calling
protocol can figure out which one it is being told about )
as well as the actual prefix that was matched to.
Fixes: #10766
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Add support for setting protodown via sharpd. This is just useful
for testing. We can make use of this in topotests.
Signed-off-by: Stephen Worley <sworley@nvidia.com>
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Signed-off-by: anlan_cs <vic.lan@pica8.com>
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The int return value is never used. Modify the code
base to just return a void instead.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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add support for SRv6 IPv4 L3VPN
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Add new topotest for the Constraints ShortestPath First (CSPF) algorithm.
This topotest uses IS-IS-TE as base network to populate a Traffic Engineering
Database (TED) and sharpd to call cspf algorithms on this IS-IS-TE topology.
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
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New Constaint Shortest Path First algorithm has been introduce in FRR library.
Add a new 'show sharp cspf' command as example of how to use these
CSPF algorithm.
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
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Currently, it is possible to rename the default VRF either by passing
`-o` option to zebra or by creating a file in `/var/run/netns` and
binding it to `/proc/self/ns/net`.
In both cases, only zebra knows about the rename and other daemons learn
about it only after they connect to zebra. This is a problem, because
daemons may read their config before they connect to zebra. To handle
this rename after the config is read, we have some special code in every
single daemon, which is not very bad but not desirable in my opinion.
But things are getting worse when we need to handle this in northbound
layer as we have to manually rewrite the config nodes. This approach is
already hacky, but still works as every daemon handles its own NB
structures. But it is completely incompatible with the central
management daemon architecture we are aiming for, as mgmtd doesn't even
have a connection with zebra to learn from it. And it shouldn't have it,
because operational state changes should never affect configuration.
To solve the problem and simplify the code, I propose to expand the `-o`
option to all daemons. By using the startup option, we let daemons know
about the rename before they read their configs so we don't need any
special code to deal with it. There's an easy way to pass the option to
all daemons by using `frr_global_options` variable.
Unfortunately, the second way of renaming by creating a file in
`/var/run/netns` is incompatible with the new mgmtd architecture.
Theoretically, we could force daemons to read their configs only after
they connect to zebra, but it means adding even more code to handle a
very specific use-case. And anyway this won't work for mgmtd as it
doesn't have a connection with zebra. So I had to remove this option.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
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Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
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Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
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This patch enables sharpd to insert End.DT4 routes into zebra.
Signed-off-by: Ryoga Saito <ryoga.saito@linecorp.com>
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Naming functions/data structures more appropriately for
the project we are actually in.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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This removes a giant `switch { }` block from lib/zclient.c and
harmonizes all zclient callback function types to be the same (some had
a subset of the args, some had a void return, now they all have
ZAPI_CALLBACK_ARGS and int return.)
Apart from getting rid of the giant switch, this is a minor security
benefit since the function pointers are now in a `const` array, so they
can't be overwritten by e.g. heap overflows for code execution anymore.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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These are no longer really needed. The client just needs
to call nexthop resolution instead.
So let's remove the zapi types.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
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Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
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Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
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Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
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