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isisd: Add helper function to request SRv6 locator information

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This commit adds a function that iterates over all IS-IS areas and asks
the SRv6 Manager for information about the configured locators.

Signed-off-by: Carmine Scarpitta <cscarpit@cisco.com>
This commit is contained in:
Carmine Scarpitta 2025-02-15 10:39:30 +01:00
parent 050989d2fb
commit 0b76fb3c13
2 changed files with 23 additions and 0 deletions
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21
isisd/isis_srv6.c
View file

@ -657,6 +657,27 @@ int isis_srv6_ifp_up_notify(struct interface *ifp)
return 0;
}
/**
* Request SRv6 locator info from the SID Manager for all IS-IS areas where SRv6
* is enabled and a locator has been configured.
* This function is called as soon as the connection with Zebra is established
* to get information about all configured locators.
*/
void isis_srv6_locators_request(void)
{
struct isis *isis = isis_lookup_by_vrfid(VRF_DEFAULT);
struct listnode *node;
struct isis_area *area;
if (!isis)
return;
for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area))
if (area->srv6db.config.enabled &&
area->srv6db.config.srv6_locator_name[0] != '\0' && !area->srv6db.srv6_locator)
isis_zebra_srv6_manager_get_locator(area->srv6db.config.srv6_locator_name);
}
/**
* IS-IS SRv6 initialization for given area.
*

2
isisd/isis_srv6.h
View file

@ -155,6 +155,8 @@ isis_srv6_sid_alloc(struct isis_area *area, struct srv6_locator *locator,
struct in6_addr *sid_value);
extern void isis_srv6_sid_free(struct isis_srv6_sid *sid);
void isis_srv6_locators_request(void);
extern void isis_srv6_area_init(struct isis_area *area);
extern void isis_srv6_area_term(struct isis_area *area);