From 37afe381bde4277f0078116b8d4d7a315c8e39b3 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <stephen@networkplumber.org>
Date: Wed, 10 Apr 2019 10:41:31 -0700
Subject: [PATCH] examples/l3fwd: use reserved IP addresses

The l3fwd example should use the IPv4 addresses defined in RFC5735 and
the IPv6 addresses defined in RFC5180 for the L3 forwarding example
Longest Prefix Match table.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>
---
 examples/l3fwd/l3fwd_lpm.c | 34 ++++++++++++++++++----------------
 1 file changed, 18 insertions(+), 16 deletions(-)

diff --git a/examples/l3fwd/l3fwd_lpm.c b/examples/l3fwd/l3fwd_lpm.c
index b1dc195ad8..3191fc4c26 100644
--- a/examples/l3fwd/l3fwd_lpm.c
+++ b/examples/l3fwd/l3fwd_lpm.c
@@ -39,26 +39,28 @@ struct ipv6_l3fwd_lpm_route {
 	uint8_t  if_out;
 };
 
+/* 192.18.0.0/16 are set aside for RFC2544 benchmarking. */
 static struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = {
-	{IPv4(1, 1, 1, 0), 24, 0},
-	{IPv4(2, 1, 1, 0), 24, 1},
-	{IPv4(3, 1, 1, 0), 24, 2},
-	{IPv4(4, 1, 1, 0), 24, 3},
-	{IPv4(5, 1, 1, 0), 24, 4},
-	{IPv4(6, 1, 1, 0), 24, 5},
-	{IPv4(7, 1, 1, 0), 24, 6},
-	{IPv4(8, 1, 1, 0), 24, 7},
+	{IPv4(192, 18, 0, 0), 24, 0},
+	{IPv4(192, 18, 1, 0), 24, 1},
+	{IPv4(192, 18, 2, 0), 24, 2},
+	{IPv4(192, 18, 3, 0), 24, 3},
+	{IPv4(192, 18, 4, 0), 24, 4},
+	{IPv4(192, 18, 5, 0), 24, 5},
+	{IPv4(192, 18, 6, 0), 24, 6},
+	{IPv4(192, 18, 7, 0), 24, 7},
 };
 
+/* 2001:0200::/48 is IANA reserved range for IPv6 benchmarking (RFC5180) */
 static struct ipv6_l3fwd_lpm_route ipv6_l3fwd_lpm_route_array[] = {
-	{{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 0},
-	{{2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 1},
-	{{3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 2},
-	{{4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 3},
-	{{5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 4},
-	{{6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 5},
-	{{7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 6},
-	{{8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 7},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 48, 0},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0}, 48, 1},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0}, 48, 2},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0}, 48, 3},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0}, 48, 4},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0}, 48, 5},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0}, 48, 6},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0}, 48, 7},
 };
 
 #define IPV4_L3FWD_LPM_NUM_ROUTES \
-- 
2.20.1