Rearrange prefetching in ipsec_output_inline
@@ -205,18 +205,18 @@ ipsec_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
u64 bytes0;
bi0 = from[0];
- bi1 = from[1];
b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- iph_offset = vnet_buffer (b0)->ip.save_rewrite_length;
- ip0 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b0)
- + iph_offset);
if (n_left_from > 1)
{
+ bi1 = from[1];
+ b1 = vlib_get_buffer (vm, bi1);
CLIB_PREFETCH (b1, CLIB_CACHE_LINE_BYTES * 2, STORE);
vlib_prefetch_buffer_data (b1, LOAD);
}
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+ iph_offset = vnet_buffer (b0)->ip.save_rewrite_length;
+ ip0 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b0)
+ + iph_offset);
/* lookup for SPD only if sw_if_index is changed */
if (PREDICT_FALSE (last_sw_if_index != sw_if_index0))
