[dpdk-dev] [PATCH v2] l2fwd-crypto: align private data size to cache size

Hemant Agrawal hemant.agrawal at nxp.com
Fri Apr 9 14:56:21 CEST 2021


From: Gagandeep Singh <g.singh at nxp.com>

L2fwd-crypto is passing 24b private data size while packet
pool creation. This patch aligns that private data size
to cache line size for better performance results.

Signed-off-by: Gagandeep Singh <g.singh at nxp.com>
---
 examples/l2fwd-crypto/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/l2fwd-crypto/main.c b/examples/l2fwd-crypto/main.c
index a96cb94cc4..0ee3e1470a 100644
--- a/examples/l2fwd-crypto/main.c
+++ b/examples/l2fwd-crypto/main.c
@@ -2691,7 +2691,8 @@ main(int argc, char **argv)
 
 	/* create the mbuf pool */
 	l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
-			sizeof(struct rte_crypto_op),
+			RTE_ALIGN(sizeof(struct rte_crypto_op),
+				RTE_CACHE_LINE_SIZE),
 			RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 	if (l2fwd_pktmbuf_pool == NULL)
 		rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
-- 
2.17.1



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