This wasn't quite formatting IPv6+port in a useful way (no brackets),
and printing the scope ID (interface index) and unix addrs is useful
too.
Signed-off-by: David Lamparter <equinox@diac24.net>
These are for string quoting (`%pSQ`) and string escaping (`%pSE`); the
sets / escape methods are currently rather "basic" and might be extended
in the future.
Signed-off-by: David Lamparter <equinox@diac24.net>
Analogous to Linux kernel `%pV` (but our mechanism expects 2 specifier
chars and `%pVA` is clearer anyway.)
Signed-off-by: David Lamparter <equinox@diac24.net>
... to suppress the warnings when using something that isn't quite ISO C
compatible and would otherwise cause compiler warnings from `-Wformat`.
Signed-off-by: David Lamparter <equinox@diac24.net>
With 0 currently the default value for the width specifier, it's not
possible to discern that from a %*p where 0 was passed as the length
parameter. Use -1 to allow for that.
Signed-off-by: David Lamparter <equinox@diac24.net>
This commit introduces the changes to the library route-map
north-bound callback implementation in order to align it to
the modified yang definitions.
Signed-off-by: NaveenThanikachalam <nthanikachal@vmware.com>
Signed-off-by: Sarita Patra <saritap@vmware.com>
The checks were incorrectly removed in commit 4d2f546f under the
assumption that it is needed only in CLI. Actually the checks are needed
for the case when the sequence number is explicitly set by a user.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
There was an attempt to consolidate the code in commit fae60215, but the
work was not actually finished and some necessary checks were missed.
Let's finish it.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
This is to fix the crash reproduced by the following steps:
* ip link add red type vrf table 1
Creates VRF.
* vtysh -c "conf" -c "vrf red"
Creates VRF NB node and marks VRF as configured.
* ip route 1.1.1.0/24 2.2.2.2 vrf red
* no ip route 1.1.1.0/24 2.2.2.2 vrf red
(or similar l3vni set/unset in zebra)
Marks VRF as NOT configured.
* ip link del red
VRF is deleted, because it is marked as not configured, but NB node
stays.
Subsequent attempt to configure something in the VRF leads to a crash
because of the stale pointer in NB layer.
Fixes#8357.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
This replaces `%n` with a safe, out-of-band option that simply records
the start and end offset of the output produced for each `%...`
specifier.
The old `%n` code is removed.
Signed-off-by: David Lamparter <equinox@diac24.net>
Allowing printfrr extensions to directly write to the output buffer has
a few advantages:
- there is no arbitrary length limit imposed (previously 64)
- the output doesn't need to be copied another time
- the extension can directly use bprintfrr() to put together pieces
The downside is that the theoretical length (regardless of available
buffer space) must be computed correctly.
Extended unit tests to test these paths a bit more thoroughly.
Signed-off-by: David Lamparter <equinox@diac24.net>
Incorporate into the `show thread cpu` the number of times
we have issued warnings about a particular thread being
too slow.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
When generating SLOW_THREAD warnings let's differentiate between
a cpu bound process and a wall bound process. Effectively
a slow thread can now be a process in FRR doing lots of work( cpu bound )
or wall bound ( the cpu is heavy load and a FRR process may be pre-empted
and never scheduled ).
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
EVPN nexthops are installed as remote neighs by zebra. This was earlier
done only via VRF IPvX uni routes imported from EVPN routes.
With EVPN-MH these VRF routes now reference a L3NHG which is setup based
on the EAD and doesn't include the RMAC. To workaround that BGP now
consolidates and maintains EVPN nexthops which are then sent to zebra.
zebra sets up these nexthops as L3-VNI nh entries using a dummy type-1
route as reference.
Ticket: CM-31398
Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
Before the transition of prefix-lists to northbound, this setting
controlled whether sequence numbers were displayed in the config.
After the transition, sequence numbers are always displayed in the
configuration, and this command only controls the output of the show
commands, which is not very useful. This command is not even shown in
the config anymore.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
Make the local buffer offered to printfrr extension tokens
bigger; existing size wasn't quite enough for some of the
more elaborate struct prefix types.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
New BFD protocol integration API with abstractions to fix most common
protocol integration errors:
- Set address family together with the source/destination addresses
- Set the TTL together with the single/multi hop option
- Set/unset profile/interface easily
- Keep the arguments so we don't have to rebuild them every time
- Install/uninstall functions that keep track of current state so the
daemon doesn't have to
- Reinstall when critical configuration changes (address, multi hop
etc...)
- Reconfigure BFD when the daemon restarts automatically
- Automatically calls the user defined callback for session update
- Shutdown handler for all protocols
Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
Add new status for Vertex, Edge and Subnet to manage their
respective states in the data base.
Add new functions:
- to register/unregister server and client
- to show content of the Database (VTY and Json output)
- to update and compare subnets
- to clean vertex and ted from ORPHAN elements
- to convert message or stream into a Link State Element and update
Link State Database accordingly to message event
Change Edge and Vertex key computation by using the host order systematically.
This impact mostly key based on IPv4 addresses where `ntohl()` function must
be used when searching a Vertex or Edge by key.
Update the documentation accordingly
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
This logs the unique ID prefix from the xref that each log message call
has, and adds on/off knobs for both EC and unique ID printing.
Signed-off-by: David Lamparter <equinox@diac24.net>
This parametrized use of flog with variable EC and priority doesn't mesh
particularly well with the xref code & there isn't really much reason to
not use fixed/constant calls like this.
Signed-off-by: David Lamparter <equinox@diac24.net>
Just small utilities for when you already have a struct fbuf (i.e. when
bprintfrr() is used to construct longer text from multiple pieces.)
Signed-off-by: David Lamparter <equinox@diac24.net>
Accept macros without ; for LabN CI *only*. This is a bit hairy since
we can't generate warnings for this, so it's very limited in both scope
and duration.
Signed-off-by: David Lamparter <equinox@diac24.net>
Back when I put this together in 2015, ISO C11 was still reasonably new
and we couldn't require it just yet. Without ISO C11, there is no
"good" way (only bad hacks) to require a semicolon after a macro that
ends with a function definition. And if you added one anyway, you'd get
"spurious semicolon" warnings on some compilers...
With C11, `_Static_assert()` at the end of a macro will make it so that
the semicolon is properly required, consumed, and not warned about.
Consistently requiring semicolons after "file-level" macros matches
Linux kernel coding style and helps some editors against mis-syntax'ing
these macros.
Signed-off-by: David Lamparter <equinox@diac24.net>
The point of the `-std=gnu99` was to override a `-std=c99` that may be
coming in from net-snmp. However, we want C11, not C99.
Signed-off-by: David Lamparter <equinox@diac24.net>
like it has been done for iptable contexts, a zebra dplane context is
created for each ipset/ipset entry event. The zebra_dplane_ctx job is
then enqueued and processed by separate thread. Like it has been done
for zebra_pbr_iptable context, the ipset and ipset entry contexts are
encapsulated into an union of structures in zebra_dplane_ctx.
There is a specificity in that when storing ipset_entry structure, there
was a backpointer pointer to the ipset structure that is necessary
to get some complementary information before calling the hook. The
proposal is to use an ipset_entry_info structure next to the ipset_entry,
in the zebra_dplane context. That information is used for ipset_entry
processing. The ipset name and the ipset type are the only fields
necessary.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
Implement new ringbuf function to do the proper socket reads without
the need of intermediary buffers.
Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
Add support for read only mib objects from RFC4444.
Signed-off-by: Lynne Morrison <lynne@voltanet.io>
Signed-off-by: Karen Schoener <karen@voltanet.io>
Problem:
Prefix-list with mulitiple rules, an update to
a rule/sequence with different prefix/prefixlen
reset prefix-list next-base pointer to avoid
having stale value.
In some case the old next-bast's reference leads
to an assert in tri (trie_install_fn ) add.
bt:
(object=0x55576a4c8a00, updptr=0x55576a4b97e0) at lib/plist.c:560
(plist=0x55576a4a1770, pentry=0x55576a4c8a00) at lib/plist.c:585
(ple=0x55576a4c8a00) at lib/plist.c:745
(args=0x7fffe04beb50) at lib/filter_nb.c:1181
Solution:
Reset prefix-list next-base pointer whenver a
sequence/rule is updated.
Ticket:CM-33109
Testing Done:
Signed-off-by: Chirag Shah <chirag@nvidia.com>
Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
In prefix-list nortbound callback's validation
phase, use type as enum rather string for better
performance.
Signed-off-by: Chirag Shah <chirag@nvidia.com>
Following patch
" lib: disallow access list duplicated values"
introduce a libyang dnode iterator for every prefix-list
config which adds an overhead of traversal all prefix dnodes
and degrades the performance in scaled prefix-list config.
This check is not necessary in prefix-list northbound callbacks
as there won't be a case where prefix-list config comes to nb
callback without sequence number.
The dup check is only necessary for the vtysh case for backward
compatiblity reason where cli can be accepted without sequence number.
Ticket: CM-32035
Reviewed By: CCR-11096
Testing Done:
Signed-off-by: Chirag Shah <chirag@nvidia.com>
Remove when statements from prefix-list yang OM,
and do the same check in frr validation phase.
This helps a bit in perfomance of prefix-lists
scale config.
Ticket:CM-32035
Reviewed By:CCR-11096
Testing Done:
Signed-off-by: Chirag Shah <chirag@nvidia.com>
Instead of crashing, print "NULL" when printfrr callback for
nexthops is called for a NULL nexthop argument.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Example:
```
show yang operational-data /frr-routing:routing/control-plane-protocols/control-plane-protocol[type='frr-staticd:staticd'][name='staticd'][vrf='default'] staticd
```
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
Apparently you can do `#__VA_ARGS__` and it actually does something
sensible, so here we go recording the format parameters for log messages
into the xref.
This allows some more checking in xrelfo.py, e.g. hints to use `%pFX`
and co.
Signed-off-by: David Lamparter <equinox@diac24.net>
This adds _clippy.ELFFile, which provides a fast wrapper around libelf.
The API is similar to / a subset of pyelfutils, which unfortunately is
painfully slow (to the tune of minutes instead of seconds.)
The idea is that xrefs can be read out of ELF files by reading out the
"xref_array" section or "FRRouting/XREF" note.
Signed-off-by: David Lamparter <equinox@diac24.net>
When the control plane protocol is created, the vrf structure is
allocated, and its address is stored in the northbound node.
The vrf structure may later be deleted by the user, which will lead to
a stale pointer stored in this node.
Instead of this, allow daemons that use the vrf pointer to register the
dependency between the control plane protocol and vrf nodes. This will
guarantee that the nodes will always be created and deleted together, and
there won't be any stale pointers.
Add such registration to staticd and pimd.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
When handling a large number of events at one time
FRR will call monotime and getrusage 2 times for each
event. With this change modify the code to change
this to (X events / 2) + 1 calls of getrusage and monotime
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
Since some recent commit, building c++ code attempting to use zlog_debug
(or any other level) would fail with the following complaint:
lib/zlog.h:91:3: sorry, unimplemented: non-trivial designated
initializers not supported
};
^
lib/zlog.h:105:26: note: in expansion of macro ‘_zlog_ref’
#define zlog_debug(...) _zlog_ref(LOG_DEBUG, __VA_ARGS__)
This is due to out-of-order initialization of the xrefdata struct
fields. Setting them all in the order in which they are defined
fixes the issue.
Signed-off-by: Emanuele Di Pascale <emanuele@voltanet.io>
When running clippy, the main function in it's
error path could leak the memory pointed to by name.
Fix this. This was/is reported by clang SA.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
Only ask the event-loop poll() to awaken if a newly-added timer
actually might have changed the required timeout. Also compute
timer deadline outside of mutex locks.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
