VIP prefix index becomes always 0 when adding a VIP which is already registered different port, causing LB config crash.
This change assigns the same VIP prefix index to the same VIP.
Ticket: https://jira.fd.io/browse/VPP-1834
Type: fix
Signed-off-by: Yasuhiro Nakamura <yanakamu@yahoo-corp.jp>
Change-Id: Ib63b3e58db9bd85714d68cd1292aadd0c8580da8
if (!lb_vip_port_find_diff_port(&(vip->prefix), vip->plen,
vip->protocol, vip->port, &vip_idx))
{
if (!lb_vip_port_find_diff_port(&(vip->prefix), vip->plen,
vip->protocol, vip->port, &vip_idx))
{
+ lb_vip_t *exists_vip = lb_vip_get_by_index(vip_idx);
+ *vip_prefix_index = exists_vip->vip_prefix_index;