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lb: Fix generating illegal key in per-port vip

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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
(cherry picked from commit 551775eaaa9c162c73e15690e4d7580935e9a70a)
This commit is contained in:
Yasuhiro Nakamura
2020-02-17 13:03:38 +09:00
committed by Andrew Yourtchenko
parent 5a9769c159
commit c285f384ff
1 changed files with 2 additions and 0 deletions
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2
src/plugins/lb/lb.c
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@ -903,6 +903,8 @@ static void lb_vip_add_adjacency(lb_main_t *lbm, lb_vip_t *vip,
if (!lb_vip_port_find_diff_port(&(vip->prefix), vip->plen, if (!lb_vip_port_find_diff_port(&(vip->prefix), vip->plen,
vip->protocol, vip->port, &vip_idx)) 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;
return; return;
} }