nat: optimize prefetching

[vpp.git] / src / plugins / nat / nat44_handoff.c

diff --git a/src/plugins/nat/nat44_handoff.c b/src/plugins/nat/nat44_handoff.c
index 69b3b60..69cdc42 100644 (file)
--- a/src/plugins/nat/nat44_handoff.c
+++ b/src/plugins/nat/nat44_handoff.c
@@ -108,14 +108,14 @@ nat44_worker_handoff_fn_inline (vlib_main_t * vm,
 
       if (PREDICT_TRUE (n_left_from >= 8))
        {
-         vlib_prefetch_buffer_header (b[4], STORE);
-         vlib_prefetch_buffer_header (b[5], STORE);
-         vlib_prefetch_buffer_header (b[6], STORE);
-         vlib_prefetch_buffer_header (b[7], STORE);
-         CLIB_PREFETCH (&b[4]->data, CLIB_CACHE_LINE_BYTES, STORE);
-         CLIB_PREFETCH (&b[5]->data, CLIB_CACHE_LINE_BYTES, STORE);
-         CLIB_PREFETCH (&b[6]->data, CLIB_CACHE_LINE_BYTES, STORE);
-         CLIB_PREFETCH (&b[7]->data, CLIB_CACHE_LINE_BYTES, STORE);
+         vlib_prefetch_buffer_header (b[4], LOAD);
+         vlib_prefetch_buffer_header (b[5], LOAD);
+         vlib_prefetch_buffer_header (b[6], LOAD);
+         vlib_prefetch_buffer_header (b[7], LOAD);
+         CLIB_PREFETCH (&b[4]->data, CLIB_CACHE_LINE_BYTES, LOAD);
+         CLIB_PREFETCH (&b[5]->data, CLIB_CACHE_LINE_BYTES, LOAD);
+         CLIB_PREFETCH (&b[6]->data, CLIB_CACHE_LINE_BYTES, LOAD);
+         CLIB_PREFETCH (&b[7]->data, CLIB_CACHE_LINE_BYTES, LOAD);
        }
 
       if (is_output)