From 9c5d87ef84bc6bc4af6fb0bb3656398507cdd5d5 Mon Sep 17 00:00:00 2001 From: Carmine Scarpitta Date: Sat, 15 Feb 2025 10:39:30 +0100 Subject: [PATCH] isisd: Add helper function to request SRv6 locator information 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 (cherry picked from commit 0b76fb3c133951c8d1203dbe7c2e5a4e1b67dffe) --- isisd/isis_srv6.c | 21 +++++++++++++++++++++ isisd/isis_srv6.h | 2 ++ 2 files changed, 23 insertions(+) diff --git a/isisd/isis_srv6.c b/isisd/isis_srv6.c index 2348bd043a..8e9c21aa23 100644 --- a/isisd/isis_srv6.c +++ b/isisd/isis_srv6.c @@ -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. * diff --git a/isisd/isis_srv6.h b/isisd/isis_srv6.h index bde14965f6..bb221b760a 100644 --- a/isisd/isis_srv6.h +++ b/isisd/isis_srv6.h @@ -156,6 +156,8 @@ 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); -- 2.39.5