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-rw-r--r--src/vppinfra/flowhash_24_16.h77
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diff --git a/src/vppinfra/flowhash_24_16.h b/src/vppinfra/flowhash_24_16.h
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+/*
+ * Copyright (c) 2012 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SRC_VPPINFRA_FLOWHASH_24_16_H_
+#define SRC_VPPINFRA_FLOWHASH_24_16_H_
+
+#ifdef __included_flowhash_template_h__
+#undef __included_flowhash_template_h__
+#endif
+
+#include <vppinfra/clib.h>
+#include <vppinfra/xxhash.h>
+#include <vppinfra/crc32.h>
+
+typedef struct {
+ u64 as_u64[3];
+} flowhash_skey_24_16_t;
+
+typedef struct {
+ u64 as_u64[3];
+} flowhash_lkey_24_16_t;
+
+typedef struct {
+ u64 as_u64[2];
+} flowhash_value_24_16_t;
+
+#define FLOWHASH_TYPE _24_16
+#include <vppinfra/flowhash_template.h>
+#undef FLOWHASH_TYPE
+
+static_always_inline
+u32 flowhash_hash_24_16(flowhash_lkey_24_16_t *k)
+{
+#ifdef clib_crc32c_uses_intrinsics
+ return clib_crc32c ((u8 *) &k->as_u64[0], 24);
+#else
+ u64 val = 0;
+ val ^= k->as_u64[0];
+ val ^= k->as_u64[1];
+ val ^= k->as_u64[2];
+ return (u32)clib_xxhash (val);
+#endif
+}
+
+static_always_inline
+u8 flowhash_cmp_key_24_16(flowhash_skey_24_16_t *a,
+ flowhash_lkey_24_16_t *b)
+{
+ u8 val = 0;
+ val |= (a->as_u64[0] != b->as_u64[0]);
+ val |= (a->as_u64[1] != b->as_u64[1]);
+ val |= (a->as_u64[2] != b->as_u64[2]);
+ return val;
+}
+
+static_always_inline
+void flowhash_cpy_key_24_16(flowhash_skey_24_16_t *dst,
+ flowhash_lkey_24_16_t *src)
+{
+ dst->as_u64[0] = src->as_u64[0];
+ dst->as_u64[1] = src->as_u64[1];
+ dst->as_u64[2] = src->as_u64[2];
+}
+
+#endif /* SRC_VPPINFRA_FLOWHASH_24_16_H_ */