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The adj_process_threeway() api may call the adj_state_change()
api, which may delete the adj struct being examined. Change the
signature so that callers pass a ptr-to-ptr so that they will
see that deletion.
Signed-off-by: Mark Stapp <mjs@cisco.com>
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These were added in e38e0df01ad3 but never used anywhere. Also the code
grabs any random /32 or /128 that is directly connected to the adjacent
router, which may not even be an address of that router itself.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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An SRv6 adjacency SID is a SID that is associated with a particular
adjacency. Adjacency SIDs are advertised using the SRv6 End.X SID
Sub-TLV (RFC 9352 section #8.1) or SRv6 LAN End.X SID Sub-TLV (RFC 9352
section #8.2).
This commit defines the following Adj SIDs management functions:
* srv6_endx_sid_add_single: add a new SRv6 Adjacency SID
* srv6_endx_sid_del: delete an SRv6 Adjacency SID
* isis_srv6_endx_sid_find: lookup SRv6 End.X SID by type
It also attaches some callbacks to the hooks isis_adj_state_change_hook,
isis_adj_ip_enabled_hook, isis_adj_ip_disabled_hook, which are
responsible for installing/removing an SRv6 Adjacency SID automatically
when the state of an IS-IS adjacency changes.
Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
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Isisd/Lib: Add new printfrr format facility for Intermediate System ID
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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 path replaces isisd_format_id, sysid_print, snpa_print, rawlspid_print and
isonet_print functions by the new printfrr ISO System ID & Network Address
format facilities. It also updates the isisd code to the new iso_address
structure defined in lib/iso.h
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.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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When a adjacency falls down, the primary routes are not deleted on the
dataplane until the SPF is recomputed. Even the backup routes are
pre-installed on the dataplane, there is no fast-route optimization.
Reasons for an adjacency to come down are:
- BFD down
- Hello timer timeout
- User adjacency clear
Apply the backup route switchover for fast-reroute as soon an IS-IS
adjacency falls down before the first SPF re-computation. Pre-computed
backup routes are applied sooner.
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
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This reverts commit 71252973234e70ffa3cb5eec43d4efc1be3d3331.
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When a adjacency falls down, the primary routes are not deleted on the
dataplane until the SPF is recomputed. Even the backup routes are
pre-installed on the dataplane, there is no fast-route optimization.
Reasons for an adjacency to come down are:
- BFD down
- Hello timer timeout
- User adjacency clear
Apply the backup route switchover for fast-reroute as soon an IS-IS
adjacency falls down before the first SPF re-computation. Pre-computed
backup routes are applied sooner.
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
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Feat isis json show cmds
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Signed-off-by: Javier Garcia <javier.martin.garcia@ibm.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 advertisement of Global IPv6 address in IIH pdu
- Add new CLI to set IPv6 Router ID
- Add advertisement of IPv6 Router ID
- Correctly advertise IPv6 local and neighbor addresses in Extended IS and MT
Reachability TLVs
- Correct output of Neighbor IPv6 address in 'show isis database detail'
- Manage IPv6 addresses advertisement and corresponiding Adjacency SID when
IS-IS is not using Multi-Topology by introducing a new ISIS_MT_DISABLE
value for mtid (== 4096 i.e. first reserved flag set to 1)
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
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These variables are only assigned with time() which returns time_t.
This should also fix occasional CI build failures because of comparisons
of signed and unsigned integers.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
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Rewrite the BFD integration code to use the new library.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
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Convert most DEFINE_MTYPE into the _STATIC variant, and move the
remaining non-static ones to appropriate places.
Signed-off-by: David Lamparter <equinox@diac24.net>
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*: require ISO C11 + semicolons after file-scope macros
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A wrong check was silently skipping the initialization of the bfd_session
struct in the adjacency if the router was not configured for IPv6. This
would cause BFD events to be ignored regardless of the configuration.
Also add a function to return the "name" of an adjacency and use it in a
couple of places, including the new log, instead of repeating the same
code in a bunch of places.
Signed-off-by: Emanuele Di Pascale <emanuele@voltanet.io>
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See previous commit.
Signed-off-by: David Lamparter <equinox@diac24.net>
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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>
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Signed-off-by: Lynne Morrison <lynne@voltanet.io>
Signed-off-by: Karen Schoener <karen@voltanet.io>
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This should simplify all code that needs to iterate over all
adjacencies of a given area (iterating over all adjacencies of all
circuits is cumbersome).
While here, repurpose isis_adj_exists() into a lookup function,
making it more generally useful.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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if we shutdown an interface isisd will delete the adjacencies
on the corresponding circuit, but it will not log the change.
Fix it to make sure that each change is logged. Also specify
the level of the adjacency in the log message, while we are at it.
Signed-off-by: Emanuele Di Pascale <emanuele@voltanet.io>
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This is an implementation of the IS-IS SR draft [1] for FRR.
The following features are supported:
* IPv4 and IPv6 Prefix-SIDs;
* IPv4 and IPv6 Adj-SIDs and LAN-Adj-SIDs;
* Index and absolute labels;
* The no-php and explicit-null Prefix-SID flags;
* Full integration with the Label Manager.
Known limitations:
* No support for Anycast-SIDs;
* No support for the SID/Label Binding TLV (required for LDP interop).
* No support for persistent Adj-SIDs;
* No support for multiple SRGBs.
[1] draft-ietf-isis-segment-routing-extensions-25
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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The 'isis_adj_ip_enabled_hook' hook will be called whenever
an adjacency goes from zero to one or more IPv4 or IPv6
addresses. Conversely, the 'isis_adj_ip_disabled_hook' hook will
be called whenever an adjacency goes from one or more IPv4/IPv6
addresses to no addresses at all.
These hooks will be used by the upcoming SR code to add/delete
Adj-SIDs depending on the IP addresses present in the remote
adjacencies.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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When we call isis_adj_state_change with ISIS_ADJ_DOWN
we free the pointer, but we were still using the pointer
after it was freed. Cleanup the api to prevent this.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Rearrange the isisd northbound callbacks as following:
* isis_nb.h: prototypes of all northbound callbacks.
* isis_nb.c: definition of all northbound callbacks and their
associated YANG data paths.
* isis_nb_config.c: implementation of YANG configuration nodes.
* isis_nb_state.c: implementation of YANG state nodes.
* isis_nb_notifications.c: implementation of YANG notifications.
This should help to keep to code more organized and easier to
maintain.
No behavior changes intended.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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The following types are nonstandard:
- u_char
- u_short
- u_int
- u_long
- u_int8_t
- u_int16_t
- u_int32_t
Replace them with the C99 standard types:
- uint8_t
- unsigned short
- unsigned int
- unsigned long
- uint8_t
- uint16_t
- uint32_t
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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indent.py `git ls-files | pcregrep '\.[ch]$' | pcregrep -v '^(ldpd|babeld|nhrpd)/'`
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The FSF's address changed, and we had a mixture of comment styles for
the GPL file header. (The style with * at the beginning won out with
580 to 141 in existing files.)
Note: I've intentionally left intact other "variations" of the copyright
header, e.g. whether it says "Zebra", "Quagga", "FRR", or nothing.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Christian Franke <chris@opensourcerouting.org>
Acked-by: Donald Sharp <sharpd@cumulusnetworks.com>
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