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[v3,5/7] app/flow-perf: fix the incremental IPv6 src set

Message ID 20210310135546.8680-6-wisamm@nvidia.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show
Series [v3,1/7] app/flow-perf: start using more generic wrapper for cycles | expand

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Wisam Monther March 10, 2021, 1:55 p.m. UTC
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: wisamm@mellanox.com
Cc: stable@dpdk.org

Signed-off-by: Wisam Jaddo <wisamm@nvidia.com>
---
 app/test-flow-perf/items_gen.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)
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Patch

diff --git a/app/test-flow-perf/items_gen.c b/app/test-flow-perf/items_gen.c
index ccebc08b39..a73de9031f 100644
--- 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];