[dpdk-dev] [PATCH v5 2/3] examples/l3fwd: use reserved IPv4/IPv6 addresses

[Stephen Hemminger <stephen@networkplumber.org>]

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>
---
 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 b1dc195ad8cb..3191fc4c2639 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 \
-- 
2.17.1