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Diffstat (limited to 'src/vnet/tcp/tcp_output.c')
-rw-r--r--src/vnet/tcp/tcp_output.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index bbcbc912175..2b5a5cd73fe 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -1771,6 +1771,14 @@ tcp46_output_inline (vlib_main_t * vm,
tcp_header_t *th0 = 0;
u32 error0 = TCP_ERROR_PKTS_SENT, next0 = TCP_OUTPUT_NEXT_IP_LOOKUP;
+ if (n_left_from > 1)
+ {
+ vlib_buffer_t *pb;
+ pb = vlib_get_buffer (vm, from[1]);
+ vlib_prefetch_buffer_header (pb, STORE);
+ CLIB_PREFETCH (pb->data, 2 * CLIB_CACHE_LINE_BYTES, STORE);
+ }
+
bi0 = from[0];
to_next[0] = bi0;
from += 1;