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-rw-r--r--src/vnet/ipsec/ipsec.h8
-rw-r--r--src/vnet/ipsec/ipsec_cli.c8
-rw-r--r--src/vnet/ipsec/ipsec_tun.c52
-rw-r--r--src/vnet/ipsec/ipsec_tun.h52
-rw-r--r--src/vnet/ipsec/ipsec_tun_in.c44
-rw-r--r--src/vppinfra/bihash_24_16.h102
-rw-r--r--src/vppinfra/bihash_8_16.h109
7 files changed, 294 insertions, 81 deletions
diff --git a/src/vnet/ipsec/ipsec.h b/src/vnet/ipsec/ipsec.h
index fe44b80b321..97ef6262f71 100644
--- a/src/vnet/ipsec/ipsec.h
+++ b/src/vnet/ipsec/ipsec.h
@@ -26,9 +26,9 @@
#include <vnet/ipsec/ipsec_spd_policy.h>
#include <vnet/ipsec/ipsec_sa.h>
-#include <vppinfra/bihash_8_8.h>
+#include <vppinfra/bihash_8_16.h>
-#include <vppinfra/bihash_24_8.h>
+#include <vppinfra/bihash_24_16.h>
typedef clib_error_t *(*add_del_sa_sess_cb_t) (u32 sa_index, u8 is_add);
typedef clib_error_t *(*check_support_cb_t) (ipsec_sa_t * sa);
@@ -130,8 +130,8 @@ typedef struct
uword *ipsec_if_real_dev_by_show_dev;
uword *ipsec_if_by_sw_if_index;
- clib_bihash_8_8_t tun4_protect_by_key;
- clib_bihash_24_8_t tun6_protect_by_key;
+ clib_bihash_8_16_t tun4_protect_by_key;
+ clib_bihash_24_16_t tun6_protect_by_key;
/* node indices */
u32 error_drop_node_index;
diff --git a/src/vnet/ipsec/ipsec_cli.c b/src/vnet/ipsec/ipsec_cli.c
index 7d265f7e64d..d7378534eb8 100644
--- a/src/vnet/ipsec/ipsec_cli.c
+++ b/src/vnet/ipsec/ipsec_cli.c
@@ -1040,7 +1040,7 @@ VLIB_CLI_COMMAND (ipsec_tun_protect_show_node, static) =
/* *INDENT-ON* */
static int
-ipsec_tun_protect4_hash_show_one (clib_bihash_kv_8_8_t * kv, void *arg)
+ipsec_tun_protect4_hash_show_one (clib_bihash_kv_8_16_t * kv, void *arg)
{
ipsec4_tunnel_kv_t *ikv = (ipsec4_tunnel_kv_t *) kv;
vlib_main_t *vm = arg;
@@ -1051,7 +1051,7 @@ ipsec_tun_protect4_hash_show_one (clib_bihash_kv_8_8_t * kv, void *arg)
}
static int
-ipsec_tun_protect6_hash_show_one (clib_bihash_kv_24_8_t * kv, void *arg)
+ipsec_tun_protect6_hash_show_one (clib_bihash_kv_24_16_t * kv, void *arg)
{
ipsec6_tunnel_kv_t *ikv = (ipsec6_tunnel_kv_t *) kv;
vlib_main_t *vm = arg;
@@ -1071,12 +1071,12 @@ ipsec_tun_protect_hash_show (vlib_main_t * vm,
{
vlib_cli_output (vm, "IPv4:");
- clib_bihash_foreach_key_value_pair_8_8
+ clib_bihash_foreach_key_value_pair_8_16
(&im->tun4_protect_by_key, ipsec_tun_protect4_hash_show_one, vm);
vlib_cli_output (vm, "IPv6:");
- clib_bihash_foreach_key_value_pair_24_8
+ clib_bihash_foreach_key_value_pair_24_16
(&im->tun6_protect_by_key, ipsec_tun_protect6_hash_show_one, vm);
}
diff --git a/src/vnet/ipsec/ipsec_tun.c b/src/vnet/ipsec/ipsec_tun.c
index 4985c549ccc..c4c8fa7d262 100644
--- a/src/vnet/ipsec/ipsec_tun.c
+++ b/src/vnet/ipsec/ipsec_tun.c
@@ -23,6 +23,12 @@
#include <vnet/adj/adj_midchain.h>
#include <vnet/teib/teib.h>
+/* instantiate the bihash functions */
+#include <vppinfra/bihash_8_16.h>
+#include <vppinfra/bihash_template.c>
+#include <vppinfra/bihash_24_16.h>
+#include <vppinfra/bihash_template.c>
+
#define IPSEC_TUN_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
#define IPSEC_TUN_DEFAULT_HASH_MEMORY_SIZE 512 << 20
@@ -224,6 +230,8 @@ ipsec_tun_protect_rx_db_add (ipsec_main_t * im,
ipsec_tun_lkup_result_t res = {
.tun_index = itp - ipsec_tun_protect_pool,
.sa_index = sai,
+ .flags = itp->itp_flags,
+ .sw_if_index = itp->itp_sw_if_index,
};
/*
@@ -235,18 +243,18 @@ ipsec_tun_protect_rx_db_add (ipsec_main_t * im,
ipsec4_tunnel_kv_t key = {
.value = res,
};
- clib_bihash_kv_8_8_t *bkey = (clib_bihash_kv_8_8_t*)&key;
+ clib_bihash_kv_8_16_t *bkey = (clib_bihash_kv_8_16_t*)&key;
ipsec4_tunnel_mk_key(&key, &itp->itp_crypto.dst.ip4,
clib_host_to_net_u32 (sa->spi));
if (!im->tun4_protect_by_key.nbuckets)
- clib_bihash_init_8_8 (&im->tun4_protect_by_key,
+ clib_bihash_init_8_16 (&im->tun4_protect_by_key,
"IPSec IPv4 tunnels",
IPSEC_TUN_DEFAULT_HASH_NUM_BUCKETS,
IPSEC_TUN_DEFAULT_HASH_MEMORY_SIZE);
- clib_bihash_add_del_8_8 (&im->tun4_protect_by_key, bkey, 1);
+ clib_bihash_add_del_8_16 (&im->tun4_protect_by_key, bkey, 1);
ipsec_tun_register_nodes(AF_IP4);
}
else
@@ -258,14 +266,14 @@ ipsec_tun_protect_rx_db_add (ipsec_main_t * im,
},
.value = res,
};
- clib_bihash_kv_24_8_t *bkey = (clib_bihash_kv_24_8_t*)&key;
+ clib_bihash_kv_24_16_t *bkey = (clib_bihash_kv_24_16_t*)&key;
if (!im->tun4_protect_by_key.nbuckets)
- clib_bihash_init_24_8 (&im->tun6_protect_by_key,
+ clib_bihash_init_24_16 (&im->tun6_protect_by_key,
"IPSec IPv6 tunnels",
IPSEC_TUN_DEFAULT_HASH_NUM_BUCKETS,
IPSEC_TUN_DEFAULT_HASH_MEMORY_SIZE);
- clib_bihash_add_del_24_8 (&im->tun6_protect_by_key, bkey, 1);
+ clib_bihash_add_del_24_16 (&im->tun6_protect_by_key, bkey, 1);
ipsec_tun_register_nodes(AF_IP6);
}
}))
@@ -355,14 +363,14 @@ ipsec_tun_protect_rx_db_remove (ipsec_main_t * im,
if (ip46_address_is_ip4 (&itp->itp_crypto.dst))
{
ipsec4_tunnel_kv_t key;
- clib_bihash_kv_8_8_t res, *bkey = (clib_bihash_kv_8_8_t*)&key;
+ clib_bihash_kv_8_16_t res, *bkey = (clib_bihash_kv_8_16_t*)&key;
ipsec4_tunnel_mk_key(&key, &itp->itp_crypto.dst.ip4,
clib_host_to_net_u32 (sa->spi));
- if (!clib_bihash_search_8_8 (&im->tun4_protect_by_key, bkey, &res))
+ if (!clib_bihash_search_8_16 (&im->tun4_protect_by_key, bkey, &res))
{
- clib_bihash_add_del_8_8 (&im->tun4_protect_by_key, bkey, 0);
+ clib_bihash_add_del_8_16 (&im->tun4_protect_by_key, bkey, 0);
ipsec_tun_unregister_nodes(AF_IP4);
}
}
@@ -374,11 +382,11 @@ ipsec_tun_protect_rx_db_remove (ipsec_main_t * im,
.spi = clib_host_to_net_u32 (sa->spi),
},
};
- clib_bihash_kv_24_8_t res, *bkey = (clib_bihash_kv_24_8_t*)&key;
+ clib_bihash_kv_24_16_t res, *bkey = (clib_bihash_kv_24_16_t*)&key;
- if (!clib_bihash_search_24_8 (&im->tun6_protect_by_key, bkey, &res))
+ if (!clib_bihash_search_24_16 (&im->tun6_protect_by_key, bkey, &res))
{
- clib_bihash_add_del_24_8 (&im->tun6_protect_by_key, bkey, 0);
+ clib_bihash_add_del_24_16 (&im->tun6_protect_by_key, bkey, 0);
ipsec_tun_unregister_nodes(AF_IP6);
}
}
@@ -971,11 +979,11 @@ ipsec_tun_table_init (ip_address_family_t af, uword table_size, u32 n_buckets)
im = &ipsec_main;
if (AF_IP4 == af)
- clib_bihash_init_8_8 (&im->tun4_protect_by_key,
- "IPSec IPv4 tunnels", n_buckets, table_size);
+ clib_bihash_init_8_16 (&im->tun4_protect_by_key,
+ "IPSec IPv4 tunnels", n_buckets, table_size);
else
- clib_bihash_init_24_8 (&im->tun6_protect_by_key,
- "IPSec IPv6 tunnels", n_buckets, table_size);
+ clib_bihash_init_24_16 (&im->tun6_protect_by_key,
+ "IPSec IPv6 tunnels", n_buckets, table_size);
}
clib_error_t *
@@ -984,14 +992,14 @@ ipsec_tunnel_protect_init (vlib_main_t * vm)
ipsec_main_t *im;
im = &ipsec_main;
- clib_bihash_init_24_8 (&im->tun6_protect_by_key,
- "IPSec IPv6 tunnels",
+ clib_bihash_init_24_16 (&im->tun6_protect_by_key,
+ "IPSec IPv6 tunnels",
+ IPSEC_TUN_DEFAULT_HASH_NUM_BUCKETS,
+ IPSEC_TUN_DEFAULT_HASH_MEMORY_SIZE);
+ clib_bihash_init_8_16 (&im->tun4_protect_by_key,
+ "IPSec IPv4 tunnels",
IPSEC_TUN_DEFAULT_HASH_NUM_BUCKETS,
IPSEC_TUN_DEFAULT_HASH_MEMORY_SIZE);
- clib_bihash_init_8_8 (&im->tun4_protect_by_key,
- "IPSec IPv4 tunnels",
- IPSEC_TUN_DEFAULT_HASH_NUM_BUCKETS,
- IPSEC_TUN_DEFAULT_HASH_MEMORY_SIZE);
/* set up feature nodes to drop outbound packets with no crypto alg set */
im->esp4_no_crypto_tun_node_index =
diff --git a/src/vnet/ipsec/ipsec_tun.h b/src/vnet/ipsec/ipsec_tun.h
index 0d911a2876c..b8e80d3565f 100644
--- a/src/vnet/ipsec/ipsec_tun.h
+++ b/src/vnet/ipsec/ipsec_tun.h
@@ -17,20 +17,31 @@
#include <vnet/ipsec/ipsec.h>
+#define foreach_ipsec_protect_flags \
+ _(L2, 1, "l2") \
+ _(ENCAPED, 2, "encapped") \
+ _(ITF, 4, "itf") \
+
+typedef enum ipsec_protect_flags_t_
+{
+ IPSEC_PROTECT_NONE = 0,
+#define _(a,b,c) IPSEC_PROTECT_##a = b,
+ foreach_ipsec_protect_flags
+#undef _
+} __clib_packed ipsec_protect_flags_t;
+
+extern u8 *format_ipsec_tun_protect_flags (u8 * s, va_list * args);
+
/**
* result of a lookup in the protection bihash
*/
typedef struct ipsec_tun_lkup_result_t_
{
- union
- {
- struct
- {
- u32 tun_index;
- u32 sa_index;
- };
- u64 as_u64;
- };
+ u32 tun_index;
+ u32 sa_index;
+ u32 sw_if_index;
+ ipsec_protect_flags_t flags;
+ u8 __pad[3];
} ipsec_tun_lkup_result_t;
typedef struct ipsec4_tunnel_kv_t
@@ -43,9 +54,9 @@ typedef struct ipsec4_tunnel_kv_t
ipsec_tun_lkup_result_t value;
} __clib_packed ipsec4_tunnel_kv_t;
-STATIC_ASSERT_SIZEOF (ipsec4_tunnel_kv_t, sizeof (clib_bihash_kv_8_8_t));
+STATIC_ASSERT_SIZEOF (ipsec4_tunnel_kv_t, sizeof (clib_bihash_kv_8_16_t));
STATIC_ASSERT_OFFSET_OF (ipsec4_tunnel_kv_t, value,
- STRUCT_OFFSET_OF (clib_bihash_kv_8_8_t, value));
+ STRUCT_OFFSET_OF (clib_bihash_kv_8_16_t, value));
static inline void
ipsec4_tunnel_mk_key (ipsec4_tunnel_kv_t * k,
@@ -77,28 +88,13 @@ typedef struct ipsec6_tunnel_kv_t_
ipsec_tun_lkup_result_t value;
} __clib_packed ipsec6_tunnel_kv_t;
-STATIC_ASSERT_SIZEOF (ipsec6_tunnel_kv_t, sizeof (clib_bihash_kv_24_8_t));
+STATIC_ASSERT_SIZEOF (ipsec6_tunnel_kv_t, sizeof (clib_bihash_kv_24_16_t));
STATIC_ASSERT_OFFSET_OF (ipsec6_tunnel_kv_t, value,
- STRUCT_OFFSET_OF (clib_bihash_kv_24_8_t, value));
+ STRUCT_OFFSET_OF (clib_bihash_kv_24_16_t, value));
extern u8 *format_ipsec4_tunnel_kv (u8 * s, va_list * args);
extern u8 *format_ipsec6_tunnel_kv (u8 * s, va_list * args);
-#define foreach_ipsec_protect_flags \
- _(L2, 1, "l2") \
- _(ENCAPED, 2, "encapped") \
- _(ITF, 4, "itf") \
-
-typedef enum ipsec_protect_flags_t_
-{
- IPSEC_PROTECT_NONE = 0,
-#define _(a,b,c) IPSEC_PROTECT_##a = b,
- foreach_ipsec_protect_flags
-#undef _
-} __clib_packed ipsec_protect_flags_t;
-
-extern u8 *format_ipsec_tun_protect_flags (u8 * s, va_list * args);
-
typedef struct ipsec_ep_t_
{
ip46_address_t src;
diff --git a/src/vnet/ipsec/ipsec_tun_in.c b/src/vnet/ipsec/ipsec_tun_in.c
index 804c7299c6f..6b7abce2866 100644
--- a/src/vnet/ipsec/ipsec_tun_in.c
+++ b/src/vnet/ipsec/ipsec_tun_in.c
@@ -149,10 +149,10 @@ ipsec_tun_protect_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
};
ipsec4_tunnel_kv_t last_key4;
ipsec6_tunnel_kv_t last_key6;
+ ipsec_tun_lkup_result_t itr0;
vlib_combined_counter_main_t *rx_counter;
vlib_combined_counter_main_t *drop_counter;
- ipsec_tun_protect_t *itp0;
if (is_ip6)
clib_memset (&last_key6, 0xff, sizeof (last_key6));
@@ -165,9 +165,8 @@ ipsec_tun_protect_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
while (n_left_from > 0)
{
u32 sw_if_index0, len0, hdr_sz0;
- ipsec_tun_lkup_result_t itr0;
- clib_bihash_kv_24_8_t bkey60;
- clib_bihash_kv_8_8_t bkey40;
+ clib_bihash_kv_24_16_t bkey60;
+ clib_bihash_kv_8_16_t bkey40;
ipsec4_tunnel_kv_t *key40;
ipsec6_tunnel_kv_t *key60;
ip4_header_t *ip40;
@@ -231,17 +230,18 @@ ipsec_tun_protect_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
if (memcmp (key60, &last_key6, sizeof (last_key6)) == 0)
{
- itr0 = last_result;
+ clib_memcpy_fast (&itr0, &last_result, sizeof (itr0));
}
else
{
int rv =
- clib_bihash_search_inline_24_8 (&im->tun6_protect_by_key,
- &bkey60);
+ clib_bihash_search_inline_24_16 (&im->tun6_protect_by_key,
+ &bkey60);
if (!rv)
{
- itr0.as_u64 = bkey60.value;
- last_result = itr0;
+ clib_memcpy_fast (&itr0, &bkey60.value, sizeof (itr0));
+ clib_memcpy_fast (&last_result, &bkey60.value,
+ sizeof (last_result));
clib_memcpy_fast (&last_key6, key60, sizeof (last_key6));
}
else
@@ -258,17 +258,18 @@ ipsec_tun_protect_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
if (key40->key == last_key4.key)
{
- itr0 = last_result;
+ clib_memcpy_fast (&itr0, &last_result, sizeof (itr0));
}
else
{
int rv =
- clib_bihash_search_inline_8_8 (&im->tun4_protect_by_key,
- &bkey40);
+ clib_bihash_search_inline_8_16 (&im->tun4_protect_by_key,
+ &bkey40);
if (!rv)
{
- itr0.as_u64 = bkey40.value;
- last_result = itr0;
+ clib_memcpy_fast (&itr0, &bkey40.value, sizeof (itr0));
+ clib_memcpy_fast (&last_result, &bkey40.value,
+ sizeof (last_result));
last_key4.key = key40->key;
}
else
@@ -281,11 +282,10 @@ ipsec_tun_protect_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
}
- itp0 = pool_elt_at_index (ipsec_tun_protect_pool, itr0.tun_index);
vnet_buffer (b[0])->ipsec.sad_index = itr0.sa_index;
vnet_buffer (b[0])->ipsec.protect_index = itr0.tun_index;
- sw_if_index0 = itp0->itp_sw_if_index;
+ sw_if_index0 = itr0.sw_if_index;
vnet_buffer (b[0])->sw_if_index[VLIB_RX] = sw_if_index0;
if (PREDICT_FALSE (!vnet_sw_interface_is_admin_up (vnm, sw_if_index0)))
@@ -306,7 +306,7 @@ ipsec_tun_protect_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
- if (n_packets && !(itp0->itp_flags & IPSEC_PROTECT_ENCAPED))
+ if (n_packets && !(itr0.flags & IPSEC_PROTECT_ENCAPED))
{
vlib_increment_combined_counter
(rx_counter, thread_index, last_sw_if_index,
@@ -344,12 +344,10 @@ ipsec_tun_protect_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
n_left_from -= 1;
}
- if (n_packets && !(itp0->itp_flags & IPSEC_PROTECT_ENCAPED))
- {
- vlib_increment_combined_counter (rx_counter,
- thread_index,
- last_sw_if_index, n_packets, n_bytes);
- }
+ if (n_packets && !(itr0.flags & IPSEC_PROTECT_ENCAPED))
+ vlib_increment_combined_counter (rx_counter,
+ thread_index,
+ last_sw_if_index, n_packets, n_bytes);
vlib_node_increment_counter (vm, node->node_index,
IPSEC_TUN_PROTECT_INPUT_ERROR_RX,
diff --git a/src/vppinfra/bihash_24_16.h b/src/vppinfra/bihash_24_16.h
new file mode 100644
index 00000000000..4e979b49410
--- /dev/null
+++ b/src/vppinfra/bihash_24_16.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2015 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.
+ */
+#undef BIHASH_TYPE
+#undef BIHASH_KVP_PER_PAGE
+#undef BIHASH_32_64_SVM
+#undef BIHASH_ENABLE_STATS
+#undef BIHASH_KVP_AT_BUCKET_LEVEL
+#undef BIHASH_LAZY_INSTANTIATE
+#undef BIHASH_BUCKET_PREFETCH_CACHE_LINES
+#undef BIHASH_USE_HEAP
+
+#define BIHASH_TYPE _24_16
+#define BIHASH_KVP_PER_PAGE 4
+#define BIHASH_KVP_AT_BUCKET_LEVEL 0
+#define BIHASH_LAZY_INSTANTIATE 1
+#define BIHASH_BUCKET_PREFETCH_CACHE_LINES 1
+#define BIHASH_USE_HEAP 1
+
+#ifndef __included_bihash_24_16_h__
+#define __included_bihash_24_16_h__
+
+#include <vppinfra/crc32.h>
+#include <vppinfra/heap.h>
+#include <vppinfra/format.h>
+#include <vppinfra/pool.h>
+#include <vppinfra/xxhash.h>
+
+typedef struct
+{
+ u64 key[3];
+ u64 value[2];
+} clib_bihash_kv_24_16_t;
+
+static inline int
+clib_bihash_is_free_24_16 (const clib_bihash_kv_24_16_t * v)
+{
+ /* Free values are clib_memset to 0xff, check a bit... */
+ if (v->key[0] == ~0ULL && v->value[0] == ~0ULL && v->value[1] == ~0ULL)
+ return 1;
+ return 0;
+}
+
+static inline u64
+clib_bihash_hash_24_16 (const clib_bihash_kv_24_16_t * v)
+{
+#ifdef clib_crc32c_uses_intrinsics
+ return clib_crc32c ((u8 *) v->key, 24);
+#else
+ u64 tmp = v->key[0] ^ v->key[1] ^ v->key[2];
+ return clib_xxhash (tmp);
+#endif
+}
+
+static inline u8 *
+format_bihash_kvp_24_16 (u8 * s, va_list * args)
+{
+ clib_bihash_kv_24_16_t *v = va_arg (*args, clib_bihash_kv_24_16_t *);
+
+ s = format (s, "key %llu %llu %llu value %llu %llu",
+ v->key[0], v->key[1], v->key[2], v->value[0], v->value[1]);
+ return s;
+}
+
+static inline int
+clib_bihash_key_compare_24_16 (u64 * a, u64 * b)
+{
+#if defined (CLIB_HAVE_VEC512)
+ u64x8 v = u64x8_load_unaligned (a) ^ u64x8_load_unaligned (b);
+ return (u64x8_is_zero_mask (v) & 0x7) == 0;
+#elif defined(CLIB_HAVE_VEC128) && defined(CLIB_HAVE_VEC128_UNALIGNED_LOAD_STORE)
+ u64x2 v = { a[2] ^ b[2], 0 };
+ v |= u64x2_load_unaligned (a) ^ u64x2_load_unaligned (b);
+ return u64x2_is_all_zero (v);
+#else
+ return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) == 0;
+#endif
+}
+
+#undef __included_bihash_template_h__
+#include <vppinfra/bihash_template.h>
+
+#endif /* __included_bihash_24_16_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vppinfra/bihash_8_16.h b/src/vppinfra/bihash_8_16.h
new file mode 100644
index 00000000000..b42b32c33d2
--- /dev/null
+++ b/src/vppinfra/bihash_8_16.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2015 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.
+ */
+#undef BIHASH_TYPE
+#undef BIHASH_KVP_PER_PAGE
+#undef BIHASH_32_64_SVM
+#undef BIHASH_ENABLE_STATS
+#undef BIHASH_KVP_AT_BUCKET_LEVEL
+#undef BIHASH_LAZY_INSTANTIATE
+#undef BIHASH_BUCKET_PREFETCH_CACHE_LINES
+#undef BIHASH_USE_HEAP
+
+#define BIHASH_TYPE _8_16
+#define BIHASH_KVP_PER_PAGE 7
+#define BIHASH_KVP_AT_BUCKET_LEVEL 1
+#define BIHASH_LAZY_INSTANTIATE 0
+#define BIHASH_BUCKET_PREFETCH_CACHE_LINES 2
+#define BIHASH_USE_HEAP 1
+
+#ifndef __included_bihash_8_16_h__
+#define __included_bihash_8_16_h__
+
+#include <vppinfra/heap.h>
+#include <vppinfra/format.h>
+#include <vppinfra/pool.h>
+#include <vppinfra/xxhash.h>
+#include <vppinfra/crc32.h>
+
+/** 8 octet key, 8 octet key value pair */
+typedef struct
+{
+ u64 key; /**< the key */
+ u64 value[2]; /**< the value */
+} clib_bihash_kv_8_16_t;
+
+/** Decide if a clib_bihash_kv_8_16_t instance is free
+ @param v- pointer to the (key,value) pair
+*/
+static inline int
+clib_bihash_is_free_8_16 (clib_bihash_kv_8_16_t * v)
+{
+ if (v->key == ~0ULL && v->value[0] == ~0ULL && v->value[1] == ~0ULL)
+ return 1;
+ return 0;
+}
+
+/** Hash a clib_bihash_kv_8_16_t instance
+ @param v - pointer to the (key,value) pair, hash the key (only)
+*/
+static inline u64
+clib_bihash_hash_8_16 (clib_bihash_kv_8_16_t * v)
+{
+ /* Note: to torture-test linear scan, make this fn return a constant */
+#ifdef clib_crc32c_uses_intrinsics
+ return clib_crc32c ((u8 *) & v->key, 8);
+#else
+ return clib_xxhash (v->key);
+#endif
+}
+
+/** Format a clib_bihash_kv_8_16_t instance
+ @param s - u8 * vector under construction
+ @param args (vararg) - the (key,value) pair to format
+ @return s - the u8 * vector under construction
+*/
+static inline u8 *
+format_bihash_kvp_8_16 (u8 * s, va_list * args)
+{
+ clib_bihash_kv_8_16_t *v = va_arg (*args, clib_bihash_kv_8_16_t *);
+
+ s =
+ format (s, "key %llu value [%ll,%llx]u", v->key, v->value[0],
+ v->value[1]);
+ return s;
+}
+
+/** Compare two clib_bihash_kv_8_16_t instances
+ @param a - first key
+ @param b - second key
+*/
+static inline int
+clib_bihash_key_compare_8_16 (u64 a, u64 b)
+{
+ return a == b;
+}
+
+#undef __included_bihash_template_h__
+#include <vppinfra/bihash_template.h>
+
+#endif /* __included_bihash_8_16_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */