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If you had a situation where an operator turned on
ospfd with snmp but not ospf6d and agentx was configured
then you get into a situation where ospf6d would complain
that the config for agentx did not exist. Let's modify
the code to allow this situation to happen.
Fixes: #15896
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Adding them as others: GPL-2.0-or-later
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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I noticed that ospf6d always had a linked list memory leak.
Tracking it down shows that frr_fini() shuts down the memory
system and prints out memory not cleaned up. eigrpd, mgmtd
and ospf6d all called cleanup functions after frr_fini leaving
memory leaked that was not really leaked.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Signed-off-by: Christian Hopps <chopps@labn.net>
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Create a single registry of default port values that daemons
are using. Most of these are vty ports, but there are some
others for features like ospfapi and zebra FPM.
Signed-off-by: Mark Stapp <mjs@labn.net>
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clang-format doesn't understand FRR_DAEMON_INFO is a long macro where
laying out items semantically makes sense.
(Also use only one `FRR_DAEMON_INFO(` in isisd so editors don't get
confused with the mismatching `( ( )`.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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lib: remove leaf-list xpath hack from northbound
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Currently, when editing a leaf-list, `nb_candidate_edit` expects to
receive it's xpath without a predicate and the value in a separate
argument, and then creates the full xpath. This hack is complicated,
because it depends on the operation and on the caller being a backend or
not. Instead, let's require to always include the predicate in a
leaf-list xpath. Update all the usages in the code accordingly.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
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Currently, we always use access-list autocompletion, even if configuring
prefix-lists. We should differentiate. Also, use address-family-specific
autocompletion.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
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Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
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Signed-off-by: Christian Hopps <chopps@labn.net>
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fixes #8299
Signed-off-by: Christian Hopps <chopps@labn.net>
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Zebra final shutdown finally
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*: clean up `zclient` options
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`.receive_notify = false` is the default.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Replace `struct list *` with `DLIST(if_connected, ...)`.
NB: while converting this, I found multiple places using connected
prefixes assuming they were IPv4 without checking:
- vrrpd/vrrp.c: vrrp_socket()
- zebra/irdp_interface.c: irdp_get_prefix(), irdp_if_start(),
irdp_advert_off()
(these fixes are really hard to split off into separate commits as that
would require going back and reapplying the change but with the old list
handling)
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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...so that multiple functions can be subscribed.
The create/destroy hooks are renamed to real/unreal because that's what
they *actually* signal.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Trying to delete an interface during the test test_eigrp_topo1.py triggers a crash.
```
EIGRP: abort+0x12b
EIGRP: _zlog_assert_failed+0x18c
EIGRP: mt_count_free+0x56
EIGRP: qfree+0x2e
EIGRP: eigrp_if_delete_hook+0x8c
EIGRP: hook_call_if_del+0x5f
EIGRP: if_delete_retain+0x1c
EIGRP: if_delete+0xfb
EIGRP: if_destroy_via_zapi+0x69
EIGRP: zclient_interface_delete+0x57
EIGRP: zclient_read+0x3d0
EIGRP: event_call+0xd8
EIGRP: frr_run+0x271
EIGRP: main+0x14b
EIGRP: __libc_start_main+0xf3
EIGRP: _start+0x2e
EIGRP: in thread zclient_read scheduled from lib/zclient.c:4514 zclient_event()
```
Signed-off-by: Volodymyr Huti <v.huti@vyos.io>
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Include an event ptr-to-ptr in the event_execute() api
call, like the various schedule api calls. This allows the
execute() api to cancel an existing scheduled task if that
task is being executed inline.
Signed-off-by: Mark Stapp <mjs@labn.net>
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When running all daemons with config for most of them, FRR has
sharpd@janelle:~/frr$ vtysh -c "show debug hashtable" | grep "VRF BIT HASH" | wc -l
3570
3570 hashes for bitmaps associated with the vrf. This is a very
large number of hashes. Let's do two things:
a) Reduce the created size of the actually created hashes to 2
instead of 32.
b) Delay generation of the hash *until* a set operation happens.
As that no hash directly implies a unset value if/when checked.
This reduces the number of hashes to 61 in my setup for normal
operation.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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All paths of the loop set dest_addr at the start
of the loop. No need to set it to NULL to immediately
set it too something else.
Signed-off-by: Donald Sharp <sharpd@nvidia.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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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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Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Modify the code base so that thread_cancel becomes event_cancel
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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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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Don't directly use `time()` for generating sequence numbers for two
reasons:
1. `time()` can go backwards (due to NTP or time adjustments)
2. Coverity Scan warns every time we truncate a `time_t` variable for
good reason (verify that we are Y2K38 ready).
Found by Coverity Scan (CID 1519812, 1519786, 1519783 and 1519772)
Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
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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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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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these changes are for improving the code maintainability
Signed-off-by: sri-mohan1 <sri.mohan@samsung.com>
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vrf is a char * being passed in. Rename the vrf to be something
else.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Wrong: memset(&a, 0, sizeof(struct ...));
Good: memset(&a, 0, sizeof(a));
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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Signed-off-by: Donald Sharp <sharpd@nvidia.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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Intentionally up convert uint8_t and uint32_t values
to a uint64_t before doing math to make Coverity happy.
Signed-off-by: Donald Sharp <sharpd@nvidia.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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Since f60a1188 we store a pointer to the VRF in the interface structure.
There's no need anymore to store a separate vrf_id field.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
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build: assorted build system improvements, 2021-11 edition
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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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These really serve no purpose other than slowing our build down. If
there's a benefit to any of these, they can be readded.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
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```
exit1-debian-9(config-route-map)# match ip route-source prefix-list ?
<cr>
PREFIXLIST_NAME IP prefix-list name
p1 p2
```
Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
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