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isisd: Remove SIDs when parent locator is deleted

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Clean up SRv6 SIDs when the parent locator is deleted.

Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
This commit is contained in:
Carmine Scarpitta 2023-05-30 18:55:44 +02:00
parent 71b8056d6d
commit a1be1942f5
1 changed files with 24 additions and 0 deletions
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24
isisd/isis_zebra.c
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@ -1262,6 +1262,8 @@ static int isis_zebra_process_srv6_locator_delete(ZAPI_CALLBACK_ARGS)
struct isis_area *area; struct isis_area *area;
struct listnode *node, *nnode; struct listnode *node, *nnode;
struct srv6_locator_chunk *chunk; struct srv6_locator_chunk *chunk;
struct isis_srv6_sid *sid;
struct srv6_adjacency *sra;
/* Decode the received zebra message */ /* Decode the received zebra message */
if (zapi_srv6_locator_decode(zclient->ibuf, &loc) < 0) if (zapi_srv6_locator_decode(zclient->ibuf, &loc) < 0)
@ -1280,6 +1282,28 @@ static int isis_zebra_process_srv6_locator_delete(ZAPI_CALLBACK_ARGS)
sizeof(area->srv6db.config.srv6_locator_name)) != 0) sizeof(area->srv6db.config.srv6_locator_name)) != 0)
continue; continue;
/* Delete SRv6 SIDs */
for (ALL_LIST_ELEMENTS(area->srv6db.srv6_sids, node, nnode,
sid)) {
sr_debug(
"Deleting SRv6 SID (locator %s, sid %pI6) from IS-IS area %s",
area->srv6db.config.srv6_locator_name,
&sid->sid, area->area_tag);
/* Uninstall the SRv6 SID from the forwarding plane
* through Zebra */
isis_zebra_srv6_sid_uninstall(area, sid);
listnode_delete(area->srv6db.srv6_sids, sid);
isis_srv6_sid_free(sid);
}
/* Uninstall all local Adjacency-SIDs. */
for (ALL_LIST_ELEMENTS(area->srv6db.srv6_endx_sids, node, nnode,
sra))
srv6_endx_sid_del(sra);
/* Free the SRv6 locator chunks */ /* Free the SRv6 locator chunks */
for (ALL_LIST_ELEMENTS(area->srv6db.srv6_locator_chunks, node, for (ALL_LIST_ELEMENTS(area->srv6db.srv6_locator_chunks, node,
nnode, chunk)) { nnode, chunk)) {