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+/*
+ * Copyright (c) 2016 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 ILA_H
+#define ILA_H
+
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/fib/fib_node.h>
+
+#include <vppinfra/bihash_24_8.h>
+#include <vppinfra/bihash_template.h>
+
+#define ila_foreach_type \
+ _(IID, 0, "iid") \
+ _(LUID, 1, "luid") \
+ _(VNID4, 2, "vnid-ip4") \
+ _(VNID6, 3, "vnid-ip6") \
+ _(VNIDM, 4, "vnid-multicast")
+
+typedef enum {
+#define _(i,n,s) ILA_TYPE_##i = n,
+ ila_foreach_type
+#undef _
+} ila_type_t;
+
+#define ila_csum_foreach_type \
+_(NO_ACTION, 0, "no-action") \
+_(NEUTRAL_MAP, 1, "neutral-map") \
+_(ADJUST_TRANSPORT, 2, "adjust-transport")
+
+typedef enum {
+#define _(i,n,s) ILA_CSUM_MODE_##i = n,
+ ila_csum_foreach_type
+#undef _
+ ILA_CSUM_N_TYPES
+} ila_csum_mode_t;
+
+#define ila_foreach_direction \
+_(BIDIR, 0, "bidir") \
+_(SIR2ILA, 1, "sir2ila") \
+_(ILA2SIR, 2, "ila2sir")
+
+typedef enum {
+#define _(i,n,s) ILA_DIR_##i = n,
+ ila_foreach_direction
+#undef _
+} ila_direction_t;
+
+typedef struct {
+ /**
+ * Fib Node base class
+ */
+ fib_node_t ila_fib_node;
+ ila_type_t type;
+ ip6_address_t sir_address;
+ ip6_address_t ila_address;
+ ip6_address_t next_hop;
+ ila_csum_mode_t csum_mode;
+ ila_direction_t dir;
+
+ /**
+ * The FIB entry index for the next-hop
+ */
+ fib_node_index_t next_hop_fib_entry_index;
+
+ /**
+ * The child index on the FIB entry
+ */
+ u32 next_hop_child_index;
+
+ /**
+ * The next DPO in the grpah to follow
+ */
+ dpo_id_t ila_dpo;
+} ila_entry_t;
+
+typedef struct {
+ ila_entry_t *entries; //Pool of ILA entries
+
+ u64 lookup_table_nbuckets;
+ u64 lookup_table_size;
+ clib_bihash_24_8_t id_to_entry_table;
+
+ u32 ip6_lookup_next_index;
+} ila_main_t;
+
+
+typedef struct {
+ ila_type_t type;
+ ip6_address_t sir_address;
+ ip6_address_t next_hop_address;
+ u64 locator;
+ u32 vnid;
+ u32 local_adj_index;
+ ila_csum_mode_t csum_mode;
+ ila_direction_t dir;
+ u8 is_del;
+} ila_add_del_entry_args_t;
+
+int ila_add_del_entry (ila_add_del_entry_args_t * args);
+int ila_interface (u32 sw_if_index, u8 disable);
+
+#endif //ILA_H