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zebra: Handle local-ip change in a correct way for l3-vni

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Ticket: CM-19603
Review: CCR-7142
Testing: Manual

Signed-off-by: Mitesh Kanjariya <mitesh@cumulusnetworks.com>
This commit is contained in:
Mitesh Kanjariya 2018-01-29 17:14:52 -08:00 committed by mitesh
parent bca63dc8ba
commit 12eeac84ff
1 changed files with 17 additions and 6 deletions
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23
zebra/zebra_vxlan.c
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@ -6308,15 +6308,26 @@ int zebra_vxlan_if_update(struct interface *ifp, u_int16_t chgflags)
}
}
/*
* local-ip change - process oper down, associate with new
* local-ip and then process oper up again
*/
if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) {
if (if_is_operative(ifp)) {
zebra_vxlan_process_l3vni_oper_down(zl3vni);
zl3vni->local_vtep_ip = vxl->vtep_ip;
if (is_l3vni_oper_up(zl3vni))
zebra_vxlan_process_l3vni_oper_up(
zl3vni);
}
}
/* Update local tunnel IP. */
zl3vni->local_vtep_ip = vxl->vtep_ip;
/* if we have a valid new master or there is a change to the tunnel IP,
* process l3-vni oper up
*/
if (chgflags
& (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) {
if (is_l3vni_oper_up(zl3vni))
/* if we have a valid new master, process l3-vni oper up */
if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) {
if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni))
zebra_vxlan_process_l3vni_oper_up(zl3vni);
}
} else {