From: Aloys Augustin <aloaugus@cisco.com>
Date: Sun, 26 Sep 2021 16:26:15 +0000 (+0200)
Subject: ip: fix ip table allocation randomness
X-Git-Tag: v22.06-rc0~512
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=400f23f9d02552fb650d6de46bef7ba42b3482fe;p=vpp.git

ip: fix ip table allocation randomness

This prevents going through the same sequence every time the api is
called.

Type: fix
Change-Id: I3ca3587ab5d1c060e2913ca88501b8dbcdd9c196
Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
---

diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c
index f5ebd029a46..b5f3e93b33e 100644
--- a/src/vnet/ip/ip_api.c
+++ b/src/vnet/ip/ip_api.c
@@ -608,7 +608,7 @@ u32
 ip_table_get_unused_id (fib_protocol_t fproto)
 {
   int i, j;
-  u32 seed = random_default_seed ();
+  static u32 seed = 0;
   /* limit to 1M tries */
   for (j = 0; j < 1 << 10; j++)
     {