- vlib_buffer_t *b;
- u32 bi = buffers[i];
-
- b = vlib_get_buffer (vm, bi);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b);
- fl = vlib_buffer_get_buffer_free_list (vm, b, &fi);
-
- /* The only current use of this callback: multicast recycle */
- if (PREDICT_FALSE (fl->buffers_added_to_freelist_function != 0))
- {
- int j;
-
- vlib_buffer_add_to_free_list
- (vm, fl, buffers[i], (b->flags & VLIB_BUFFER_RECYCLE) == 0);
-
- for (j = 0; j < vec_len (bm->announce_list); j++)
- {
- if (fl == bm->announce_list[j])
- goto already_announced;
- }
- vec_add1 (bm->announce_list, fl);
- already_announced:
- ;
- }
- else
- {
- if (PREDICT_TRUE ((b->flags & VLIB_BUFFER_RECYCLE) == 0))
- {
- u32 flags, next;
-
- do
- {
- vlib_buffer_t *nb = vlib_get_buffer (vm, bi);
- flags = nb->flags;
- next = nb->next_buffer;
- if (nb->n_add_refs)
- nb->n_add_refs--;
- else
- {
- vlib_buffer_validate_alloc_free (vm, &bi, 1,
- VLIB_BUFFER_KNOWN_ALLOCATED);
- vlib_buffer_add_to_free_list (vm, fl, bi, 1);
- }
- bi = next;
- }
- while (follow_buffer_next
- && (flags & VLIB_BUFFER_NEXT_PRESENT));
-
- }
- }
+ p = vlib_get_buffer (vm, buffers[i + 8]);
+ vlib_prefetch_buffer_header (p, LOAD);
+ p = vlib_get_buffer (vm, buffers[i + 9]);
+ vlib_prefetch_buffer_header (p, LOAD);
+ p = vlib_get_buffer (vm, buffers[i + 10]);
+ vlib_prefetch_buffer_header (p, LOAD);
+ p = vlib_get_buffer (vm, buffers[i + 11]);
+ vlib_prefetch_buffer_header (p, LOAD);
+
+ b0 = vlib_get_buffer (vm, buffers[i]);
+ b1 = vlib_get_buffer (vm, buffers[i + 1]);
+ b2 = vlib_get_buffer (vm, buffers[i + 2]);
+ b3 = vlib_get_buffer (vm, buffers[i + 3]);
+
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b1);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b2);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b3);
+
+ recycle_or_free (vm, bm, buffers[i], b0, follow_buffer_next);
+ recycle_or_free (vm, bm, buffers[i + 1], b1, follow_buffer_next);
+ recycle_or_free (vm, bm, buffers[i + 2], b2, follow_buffer_next);
+ recycle_or_free (vm, bm, buffers[i + 3], b3, follow_buffer_next);
+
+ i += 4;