Also add single loop prefetch in session tx
Change-Id: Ib2725a2552fcc1a65050d7a2eb10491a7b34db62
Signed-off-by: Florin Coras <fcoras@cisco.com>
vlib_buffer_t *b0;
u32 bi0;
- ASSERT (n_bufs >= 1);
+ if (n_left > 1)
+ {
+ pbi = smm->tx_buffers[thread_index][n_bufs - 2];
+ pb = vlib_get_buffer (vm, pbi);
+ vlib_prefetch_buffer_header (pb, STORE);
+ }
+
to_next[0] = bi0 = smm->tx_buffers[thread_index][--n_bufs];
b0 = vlib_get_buffer (vm, bi0);
session_tx_fill_buffer (vm, ctx, b0, &n_bufs, peek_data);
if (n_left_from > 1)
{
- vlib_prefetch_buffer_header (b[0], STORE);
- CLIB_PREFETCH (b[0]->data, 2 * CLIB_CACHE_LINE_BYTES, STORE);
+ vlib_prefetch_buffer_header (b[1], STORE);
+ CLIB_PREFETCH (b[1]->data, 2 * CLIB_CACHE_LINE_BYTES, STORE);
}
next[0] = TCP_OUTPUT_NEXT_IP_LOOKUP;