ipsec: IPSec protection for multi-point tunnel interfaces

[vpp.git] / src / vppinfra / string.h

diff --git a/src/vppinfra/string.h b/src/vppinfra/string.h
index 4755a98..a3db926 100644 (file)
--- a/src/vppinfra/string.h
+++ b/src/vppinfra/string.h
@@ -216,64 +216,66 @@ memset_s_inline (void *s, rsize_t smax, int c, rsize_t n)
 static_always_inline void
 clib_memcpy_le (u8 * dst, u8 * src, u8 len, u8 max_len)
 {
-#if defined (CLIB_HxAVE_VEC256)
-  u8x32 s, d;
+#if defined (CLIB_HAVE_VEC256)
+  u8x32 s0, s1, d0, d1;
   u8x32 mask = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
     18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
   };
   u8x32 lv = u8x32_splat (len);
   u8x32 add = u8x32_splat (32);
 
-  s = u8x32_load_unaligned (src);
-  d = u8x32_load_unaligned (dst);
-  d = u8x32_blend (d, s, u8x32_is_greater (lv, mask));
-  u8x32_store_unaligned (d, dst);
+  s0 = u8x32_load_unaligned (src);
+  s1 = u8x32_load_unaligned (src + 32);
+  d0 = u8x32_load_unaligned (dst);
+  d1 = u8x32_load_unaligned (dst + 32);
+
+  d0 = u8x32_blend (d0, s0, u8x32_is_greater (lv, mask));
+  u8x32_store_unaligned (d0, dst);
 
   if (max_len <= 32)
     return;
 
   mask += add;
-  s = u8x32_load_unaligned (src + 32);
-  d = u8x32_load_unaligned (dst + 32);
-  d = u8x32_blend (d, s, u8x32_is_greater (lv, mask));
-  u8x32_store_unaligned (d, dst + 32);
+  d1 = u8x32_blend (d1, s1, u8x32_is_greater (lv, mask));
+  u8x32_store_unaligned (d1, dst + 32);
 
-#elif defined (CLIB_HAVE_VEC128) && !defined (__aarch64__)
-  u8x16 s, d;
+#elif defined (CLIB_HAVE_VEC128)
+  u8x16 s0, s1, s2, s3, d0, d1, d2, d3;
   u8x16 mask = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
   u8x16 lv = u8x16_splat (len);
   u8x16 add = u8x16_splat (16);
 
-  s = u8x16_load_unaligned (src);
-  d = u8x16_load_unaligned (dst);
-  d = u8x16_blend (d, s, u8x16_is_greater (lv, mask));
-  u8x16_store_unaligned (d, dst);
+  s0 = u8x16_load_unaligned (src);
+  s1 = u8x16_load_unaligned (src + 16);
+  s2 = u8x16_load_unaligned (src + 32);
+  s3 = u8x16_load_unaligned (src + 48);
+  d0 = u8x16_load_unaligned (dst);
+  d1 = u8x16_load_unaligned (dst + 16);
+  d2 = u8x16_load_unaligned (dst + 32);
+  d3 = u8x16_load_unaligned (dst + 48);
+
+  d0 = u8x16_blend (d0, s0, u8x16_is_greater (lv, mask));
+  u8x16_store_unaligned (d0, dst);
 
   if (max_len <= 16)
     return;
 
   mask += add;
-  s = u8x16_load_unaligned (src + 16);
-  d = u8x16_load_unaligned (dst + 16);
-  d = u8x16_blend (d, s, u8x16_is_greater (lv, mask));
-  u8x16_store_unaligned (d, dst + 16);
+  d1 = u8x16_blend (d1, s1, u8x16_is_greater (lv, mask));
+  u8x16_store_unaligned (d1, dst + 16);
 
   if (max_len <= 32)
     return;
 
   mask += add;
-  s = u8x16_load_unaligned (src + 32);
-  d = u8x16_load_unaligned (dst + 32);
-  d = u8x16_blend (d, s, u8x16_is_greater (lv, mask));
-  u8x16_store_unaligned (d, dst + 32);
+  d2 = u8x16_blend (d2, s2, u8x16_is_greater (lv, mask));
+  u8x16_store_unaligned (d2, dst + 32);
 
   mask += add;
-  s = u8x16_load_unaligned (src + 48);
-  d = u8x16_load_unaligned (dst + 48);
-  d = u8x16_blend (d, s, u8x16_is_greater (lv, mask));
-  u8x16_store_unaligned (d, dst + 48);
+  d3 = u8x16_blend (d3, s3, u8x16_is_greater (lv, mask));
+  u8x16_store_unaligned (d3, dst + 48);
 #else
-  clib_memcpy_fast (dst, src, len);
+  memmove (dst, src, len);
 #endif
 }