app/flow-perf: fix IPv6 source address increment

Currently the memset() will not set a correct src ip that represent
the incremental value of the counter.

This commit will fix this and each flow will have correct IPv6.src
that it's incremental from previous flow and equal to the decimal
values.

Fixes: bf3688f1e816 ("app/flow-perf: add insertion rate calculation")
Cc: stable@dpdk.org
Signed-off-by: Wisam Jaddo <wisamm@nvidia.com>
Acked-by: Alexander Kozyrev <akozyrev@nvidia.com>

diff --git a/app/test-flow-perf/items_gen.c b/app/test-flow-perf/items_gen.c
index ccebc08b3918c06fdecd50790069d53e5fc36def..a73de9031f5452d43a6836b52480d7c15f9add59 100644 (file)
--- a/app/test-flow-perf/items_gen.c
+++ b/app/test-flow-perf/items_gen.c
@@ -72,14 +72,15 @@ add_ipv6(struct rte_flow_item *items,
        static struct rte_flow_item_ipv6 ipv6_specs[RTE_MAX_LCORE] __rte_cache_aligned;
        static struct rte_flow_item_ipv6 ipv6_masks[RTE_MAX_LCORE] __rte_cache_aligned;
        uint8_t ti = para.core_idx;
+       uint8_t i;
 
        /** Set ipv6 src **/
-       memset(&ipv6_specs[ti].hdr.src_addr, para.src_ip,
-               sizeof(ipv6_specs->hdr.src_addr) / 2);
-
-       /** Full mask **/
-       memset(&ipv6_masks[ti].hdr.src_addr, 0xff,
-               sizeof(ipv6_specs->hdr.src_addr));
+       for (i = 0; i < 16; i++) {
+               /* Currently src_ip is limited to 32 bit */
+               if (i < 4)
+                       ipv6_specs[ti].hdr.src_addr[15 - i] = para.src_ip >> (i * 8);
+               ipv6_masks[ti].hdr.src_addr[15 - i] = 0xff;
+       }
 
        items[items_counter].type = RTE_FLOW_ITEM_TYPE_IPV6;
        items[items_counter].spec = &ipv6_specs[ti];