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bgpd: Release SID on router deletion

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Signed-off-by: Mikhail Sokolovskiy <sokolmish@gmail.com>
This commit is contained in:
Mikhail Sokolovskiy 2025-01-30 01:54:31 +03:00
parent 44c6bbeadb
commit f3680ab410
1 changed files with 18 additions and 4 deletions
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22
bgpd/bgpd.c
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@ -3985,6 +3985,7 @@ int bgp_delete(struct bgp *bgp)
uint32_t a_ann_cnt = 0, a_l2_cnt = 0, a_l3_cnt = 0;
struct bgp *bgp_to_proc = NULL;
struct bgp *bgp_to_proc_next = NULL;
struct bgp *bgp_default = bgp_get_default();
assert(bgp);
@ -4038,13 +4039,26 @@ int bgp_delete(struct bgp *bgp)
bgp_soft_reconfig_table_task_cancel(bgp, NULL, NULL);
/* make sure we withdraw any exported routes */
vpn_leak_prechange(BGP_VPN_POLICY_DIR_TOVPN, AFI_IP, bgp_get_default(),
bgp);
vpn_leak_prechange(BGP_VPN_POLICY_DIR_TOVPN, AFI_IP6, bgp_get_default(),
bgp);
vpn_leak_prechange(BGP_VPN_POLICY_DIR_TOVPN, AFI_IP, bgp_default, bgp);
vpn_leak_prechange(BGP_VPN_POLICY_DIR_TOVPN, AFI_IP6, bgp_default, bgp);
bgp_vpn_leak_unimport(bgp);
/*
* Release SRv6 SIDs, like it's done in `vpn_leak_postchange()`
* and bgp_sid_vpn_export_cmd/af_sid_vpn_export_cmd commands.
*/
bgp->tovpn_sid_index = 0;
UNSET_FLAG(bgp->vrf_flags, BGP_VRF_TOVPN_SID_AUTO);
delete_vrf_tovpn_sid_per_vrf(bgp_default, bgp);
for (afi = AFI_IP; afi < AFI_MAX; afi++) {
bgp->vpn_policy[afi].tovpn_sid_index = 0;
UNSET_FLAG(bgp->vpn_policy[afi].flags, BGP_VPN_POLICY_TOVPN_SID_AUTO);
delete_vrf_tovpn_sid_per_af(bgp_default, bgp, afi);
vpn_leak_zebra_vrf_sid_withdraw(bgp, afi);
}
bgp_vpn_release_label(bgp, AFI_IP, true);
bgp_vpn_release_label(bgp, AFI_IP6, true);