flow-hash: Add symmetric flag for flow hashing

[vpp.git] / src / vnet / ip / ip6_packet.h

diff --git a/src/vnet/ip/ip6_packet.h b/src/vnet/ip/ip6_packet.h
index b1c9be4..015dd01 100644 (file)
--- a/src/vnet/ip/ip6_packet.h
+++ b/src/vnet/ip/ip6_packet.h
@@ -95,6 +95,20 @@ typedef CLIB_PACKED (union {
                                          && ((a1)->as_u64[1] == (a2)->as_u64[1]))
 #define ip46_address_initializer {{{ 0 }}}
 
+static_always_inline void
+ip46_address_copy (ip46_address_t * dst, const ip46_address_t * src)
+{
+  dst->as_u64[0] = src->as_u64[0];
+  dst->as_u64[1] = src->as_u64[1];
+}
+
+static_always_inline void
+ip46_address_set_ip6 (ip46_address_t * dst, const ip6_address_t * src)
+{
+  dst->as_u64[0] = src->as_u64[0];
+  dst->as_u64[1] = src->as_u64[1];
+}
+
 always_inline ip46_address_t
 to_ip46 (u32 is_ipv6, u8 * buf)
 {
@@ -266,7 +280,7 @@ ip6_address_mask_from_width (ip6_address_t * a, u32 width)
 {
   int i, byte, bit, bitnum;
   ASSERT (width <= 128);
-  memset (a, 0, sizeof (a[0]));
+  clib_memset (a, 0, sizeof (a[0]));
   for (i = 0; i < width; i++)
     {
       bitnum = (7 - (i & 7));
@@ -333,6 +347,18 @@ ip6_is_solicited_node_multicast_address (const ip6_address_t * a)
          && a->as_u8[12] == 0xff);
 }
 
+always_inline u32
+ip6_address_hash_to_u32 (const ip6_address_t * a)
+{
+  return (a->as_u32[0] ^ a->as_u32[1] ^ a->as_u32[2] ^ a->as_u32[3]);
+}
+
+always_inline u64
+ip6_address_hash_to_u64 (const ip6_address_t * a)
+{
+  return (a->as_u64[0] ^ a->as_u64[1]);
+}
+
 typedef struct
 {
   /* 4 bit version, 8 bit traffic class and 20 bit flow label. */