commit 178cf493d009995b28fdf220f04c98860ff79a9b
author Dave Barach <dave@barachs.net> Tue Nov 13 16:34:13 2018 -0500
committer Florin Coras <florin.coras@gmail.com> Wed Nov 14 15:54:01 2018 +0000
tree 097c1be82b8f6fa9bc04b9b1e193158e2e4997eb
parent 6917b94f2146aa51195a6a2a1ccd8416a1d74bf3

Remove c-11 memcpy checks from perf-critical code

Change-Id: Id4f37f5d4a03160572954a416efa1ef9b3d79ad1
Signed-off-by: Dave Barach <dave@barachs.net>

src/vnet/bfd/bfd_udp.c

diff --git a/src/vnet/bfd/bfd_udp.c b/src/vnet/bfd/bfd_udp.c
index 0da19bd..d35c6de 100644
--- a/src/vnet/bfd/bfd_udp.c
+++ b/src/vnet/bfd/bfd_udp.c
@@ -330,17 +330,17 @@
 	{
 	  return rv;
 	}
-      clib_memcpy (&headers->ip6.dst_address, &key->local_addr.ip6,
-		   sizeof (headers->ip6.dst_address));
+      clib_memcpy_fast (&headers->ip6.dst_address, &key->local_addr.ip6,
+			sizeof (headers->ip6.dst_address));
 
       headers->udp.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_bfd_echo6);
     }
   else
     {
-      clib_memcpy (&headers->ip6.src_address, &key->local_addr.ip6,
-		   sizeof (headers->ip6.src_address));
-      clib_memcpy (&headers->ip6.dst_address, &key->peer_addr.ip6,
-		   sizeof (headers->ip6.dst_address));
+      clib_memcpy_fast (&headers->ip6.src_address, &key->local_addr.ip6,
+			sizeof (headers->ip6.src_address));
+      clib_memcpy_fast (&headers->ip6.dst_address, &key->peer_addr.ip6,
+			sizeof (headers->ip6.dst_address));
       headers->udp.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_bfd6);
     }
 
@@ -1211,7 +1211,7 @@
 	  len = (b0->current_length < sizeof (t0->data)) ? b0->current_length
 	    : sizeof (t0->data);
 	  t0->len = len;
-	  clib_memcpy (t0->data, vlib_buffer_get_current (b0), len);
+	  clib_memcpy_fast (t0->data, vlib_buffer_get_current (b0), len);
 	}
 
       /* scan this bfd pkt. error0 is the counter index to bmp */
@@ -1369,7 +1369,7 @@
 	  len = (b0->current_length < sizeof (t0->data)) ? b0->current_length
 	    : sizeof (t0->data);
 	  t0->len = len;
-	  clib_memcpy (t0->data, vlib_buffer_get_current (b0), len);
+	  clib_memcpy_fast (t0->data, vlib_buffer_get_current (b0), len);
 	}
 
       bfd_lock (bm);