diff options
Diffstat (limited to 'src/vnet')
| -rw-r--r-- | src/vnet/ip/ip4_forward.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c index 85e6607a963..9ed9453648b 100644 --- a/src/vnet/ip/ip4_forward.c +++ b/src/vnet/ip/ip4_forward.c @@ -119,16 +119,17 @@ VLIB_NODE_FN (ip4_load_balance_node) (vlib_main_t * vm, u32 n_left_from, n_left_to_next, *from, *to_next; ip_lookup_next_t next; u32 thread_index = vm->thread_index; + vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; next = node->cached_next_index; + vlib_get_buffers (vm, from, bufs, n_left_from); while (n_left_from > 0) { vlib_get_next_frame (vm, node, next, to_next, n_left_to_next); - while (n_left_from >= 4 && n_left_to_next >= 2) { ip_lookup_next_t next0, next1; @@ -140,16 +141,11 @@ VLIB_NODE_FN (ip4_load_balance_node) (vlib_main_t * vm, /* Prefetch next iteration. */ { - vlib_buffer_t *p2, *p3; - - p2 = vlib_get_buffer (vm, from[2]); - p3 = vlib_get_buffer (vm, from[3]); + vlib_prefetch_buffer_header (b[2], STORE); + vlib_prefetch_buffer_header (b[3], STORE); - vlib_prefetch_buffer_header (p2, STORE); - vlib_prefetch_buffer_header (p3, STORE); - - CLIB_PREFETCH (p2->data, sizeof (ip0[0]), STORE); - CLIB_PREFETCH (p3->data, sizeof (ip0[0]), STORE); + CLIB_PREFETCH (b[2]->data, sizeof (ip0[0]), STORE); + CLIB_PREFETCH (b[3]->data, sizeof (ip0[0]), STORE); } pi0 = to_next[0] = from[0]; @@ -160,8 +156,9 @@ VLIB_NODE_FN (ip4_load_balance_node) (vlib_main_t * vm, to_next += 2; n_left_to_next -= 2; - p0 = vlib_get_buffer (vm, pi0); - p1 = vlib_get_buffer (vm, pi1); + p0 = b[0]; + p1 = b[1]; + b += 2; ip0 = vlib_buffer_get_current (p0); ip1 = vlib_buffer_get_current (p1); @@ -250,7 +247,8 @@ VLIB_NODE_FN (ip4_load_balance_node) (vlib_main_t * vm, n_left_to_next -= 1; n_left_from -= 1; - p0 = vlib_get_buffer (vm, pi0); + p0 = b[0]; + b += 1; ip0 = vlib_buffer_get_current (p0); lbi0 = vnet_buffer (p0)->ip.adj_index[VLIB_TX]; |