From 1e5ca9b918dfe988eb0247ec35fc188bfabb4dcb Mon Sep 17 00:00:00 2001 From: Nitin Saxena Date: Wed, 24 Jul 2019 17:19:06 +0530 Subject: [PATCH] dpdk: Prefetch correct size of rte_mbuf sizeof(rte_mbuf) is 128 byte but 2* CLIB_CACHE_LINE_BYTES is 256 byte for ThunderX/OCTEONTx targets. Type: fix Change-Id: If6893b168cf1c55c44bf4669a888ce858f2ef487 Signed-off-by: Nitin Saxena --- src/plugins/dpdk/device/device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/plugins/dpdk/device/device.c b/src/plugins/dpdk/device/device.c index 270abe19190..8778d71cd7a 100644 --- a/src/plugins/dpdk/device/device.c +++ b/src/plugins/dpdk/device/device.c @@ -214,7 +214,7 @@ static_always_inline void dpdk_prefetch_buffer (vlib_main_t * vm, struct rte_mbuf *mb) { vlib_buffer_t *b = vlib_buffer_from_rte_mbuf (mb); - CLIB_PREFETCH (mb, 2 * CLIB_CACHE_LINE_BYTES, STORE); + CLIB_PREFETCH (mb, sizeof (struct rte_mbuf), STORE); CLIB_PREFETCH (b, CLIB_CACHE_LINE_BYTES, LOAD); } -- 2.16.6