X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ftcp%2Ftcp_output.c;h=2b5a5cd73feae40d9a392b29bfb569c896332824;hb=81a13db67f6e3cca2a974e4c32d8e9db940645dc;hp=bbcbc9121753fec498a5c028d0fd7b1c0f89b0cc;hpb=0bee9ce4af04322c56f7511f24bda4874e78a4b4;p=vpp.git

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;