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authorDamjan Marion <damarion@cisco.com>2017-07-11 17:13:37 +0200
committerDamjan Marion <dmarion.lists@gmail.com>2017-07-12 10:14:10 +0000
commit690d26c6b9ddbd1a252e0eff61a28a62fc740432 (patch)
tree6503dba41630b681d02b7b7564e657d33e518824
parent2c25a62cc1cc4937165de740a3b32d78429c72d6 (diff)
dpdk: prefetch 2nd cacheline of rte_mbuf during tx
Change-Id: I0db02dd0147dbd47d4296fdb84280d0e7d321f3c Signed-off-by: Damjan Marion <damarion@cisco.com>
-rw-r--r--src/plugins/dpdk/device/device.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/dpdk/device/device.c b/src/plugins/dpdk/device/device.c
index c68ecbda246..8801bfd3a25 100644
--- a/src/plugins/dpdk/device/device.c
+++ b/src/plugins/dpdk/device/device.c
@@ -307,7 +307,7 @@ dpdk_prefetch_buffer_by_index (vlib_main_t * vm, u32 bi)
struct rte_mbuf *mb;
b = vlib_get_buffer (vm, bi);
mb = rte_mbuf_from_vlib_buffer (b);
- CLIB_PREFETCH (mb, CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (mb, 2 * CLIB_CACHE_LINE_BYTES, STORE);
CLIB_PREFETCH (b, CLIB_CACHE_LINE_BYTES, LOAD);
}