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Merge pull request #9422 from pguibert6WIND/update_autort_l3vni

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bgpd: update auto route target for l3vni appropriately
This commit is contained in:
Sri Mohana Singamsetty 2021-09-28 09:15:34 -07:00 committed by GitHub
commit 2e2d2be87f
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1 changed files with 50 additions and 0 deletions
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50
bgpd/bgp_evpn.c
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@ -4334,6 +4334,54 @@ static void update_autort_vni(struct hash_bucket *bucket, struct bgp *bgp)
}
}
/*
* Handle autort change for L3VNI.
*/
static void update_autort_l3vni(struct bgp *bgp)
{
if ((CHECK_FLAG(bgp->vrf_flags, BGP_VRF_IMPORT_RT_CFGD))
&& (CHECK_FLAG(bgp->vrf_flags, BGP_VRF_EXPORT_RT_CFGD)))
return;
if (!CHECK_FLAG(bgp->vrf_flags, BGP_VRF_IMPORT_RT_CFGD)) {
if (is_l3vni_live(bgp))
uninstall_routes_for_vrf(bgp);
/* Cleanup the RT to VRF mapping */
bgp_evpn_unmap_vrf_from_its_rts(bgp);
/* Remove auto generated RT */
evpn_auto_rt_import_delete_for_vrf(bgp);
list_delete_all_node(bgp->vrf_import_rtl);
/* Map auto derive or configured RTs */
evpn_auto_rt_import_add_for_vrf(bgp);
}
if (!CHECK_FLAG(bgp->vrf_flags, BGP_VRF_EXPORT_RT_CFGD)) {
list_delete_all_node(bgp->vrf_export_rtl);
evpn_auto_rt_export_delete_for_vrf(bgp);
evpn_auto_rt_export_add_for_vrf(bgp);
if (is_l3vni_live(bgp))
bgp_evpn_map_vrf_to_its_rts(bgp);
}
if (!is_l3vni_live(bgp))
return;
/* advertise type-5 routes if needed */
update_advertise_vrf_routes(bgp);
/* install all remote routes belonging to this l3vni
* into corresponding vrf
*/
install_routes_for_vrf(bgp);
}
/*
* Public functions.
*/
@ -4706,6 +4754,8 @@ void bgp_evpn_handle_autort_change(struct bgp *bgp)
(void (*)(struct hash_bucket *,
void*))update_autort_vni,
bgp);
if (bgp->l3vni)
update_autort_l3vni(bgp);
}
/*