diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugins/nat/in2out_ed.c | 14 | ||||
| -rw-r--r-- | src/plugins/nat/out2in_ed.c | 15 |
2 files changed, 27 insertions, 2 deletions
diff --git a/src/plugins/nat/in2out_ed.c b/src/plugins/nat/in2out_ed.c index c59c2d4536c..080f37e7c15 100644 --- a/src/plugins/nat/in2out_ed.c +++ b/src/plugins/nat/in2out_ed.c @@ -943,6 +943,19 @@ nat44_ed_in2out_fast_path_node_fn_inline (vlib_main_t * vm, ip_csum_t sum0; b0 = *b; + b++; + + /* Prefetch next iteration. */ + if (PREDICT_TRUE (n_left_from >= 2)) + { + vlib_buffer_t *p2; + + p2 = *b; + + vlib_prefetch_buffer_header (p2, LOAD); + + CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, LOAD); + } if (is_output_feature) { @@ -1158,7 +1171,6 @@ nat44_ed_in2out_fast_path_node_fn_inline (vlib_main_t * vm, n_left_from--; next++; - b++; } vlib_buffer_enqueue_to_next (vm, node, from, (u16 *) nexts, diff --git a/src/plugins/nat/out2in_ed.c b/src/plugins/nat/out2in_ed.c index 8286e66ffda..05fc75fac71 100644 --- a/src/plugins/nat/out2in_ed.c +++ b/src/plugins/nat/out2in_ed.c @@ -705,6 +705,20 @@ nat44_ed_out2in_fast_path_node_fn_inline (vlib_main_t * vm, ip_csum_t sum0; b0 = *b; + b++; + + /* Prefetch next iteration. */ + if (PREDICT_TRUE (n_left_from >= 2)) + { + vlib_buffer_t *p2; + + p2 = *b; + + vlib_prefetch_buffer_header (p2, LOAD); + + CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, LOAD); + } + next[0] = vnet_buffer2 (b0)->nat.arc_next; vnet_buffer (b0)->snat.flags = 0; @@ -927,7 +941,6 @@ nat44_ed_out2in_fast_path_node_fn_inline (vlib_main_t * vm, n_left_from--; next++; - b++; } vlib_buffer_enqueue_to_next (vm, node, from, (u16 *) nexts, |