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/ipsec/esp_encrypt.c

diff --git a/src/vnet/ipsec/esp_encrypt.c b/src/vnet/ipsec/esp_encrypt.c
index 8edd565..101c5ef 100644
--- a/src/vnet/ipsec/esp_encrypt.c
+++ b/src/vnet/ipsec/esp_encrypt.c
@@ -316,7 +316,7 @@
 					   vlib_buffer_get_current (i_b0) -
 					   sizeof (ethernet_header_t));
 		  oeh0 = (ethernet_header_t *) o_b0->data;
-		  clib_memcpy (oeh0, ieh0, sizeof (ethernet_header_t));
+		  clib_memcpy_fast (oeh0, ieh0, sizeof (ethernet_header_t));
 		  next0 = ESP_ENCRYPT_NEXT_INTERFACE_OUTPUT;
 		  vnet_buffer (o_b0)->sw_if_index[VLIB_TX] =
 		    vnet_buffer (i_b0)->sw_if_index[VLIB_TX];
@@ -359,10 +359,10 @@
 		    ipsec_proto_main_crypto_algs[sa0->crypto_alg].iv_size];
 	      RAND_bytes (iv, sizeof (iv));
 
-	      clib_memcpy ((u8 *) vlib_buffer_get_current (o_b0) +
-			   ip_udp_hdr_size + sizeof (esp_header_t), iv,
-			   em->ipsec_proto_main_crypto_algs[sa0->
-							    crypto_alg].iv_size);
+	      clib_memcpy_fast ((u8 *) vlib_buffer_get_current (o_b0) +
+				ip_udp_hdr_size + sizeof (esp_header_t), iv,
+				em->ipsec_proto_main_crypto_algs[sa0->
+								 crypto_alg].iv_size);
 
 	      esp_encrypt_cbc (vm, sa0->crypto_alg,
 			       (u8 *) vlib_buffer_get_current (i_b0),