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.. _automatingthedeployment:

.. toctree::

Automating VPP deployment
__________________________



In order to make the VPP deployment easier inside AWS and Azure, we have created two different Terraform scripts, compatibles with both Public Cloud Provider. These scripts allow to automate the deployment of the resources. `Here you can find the scripts anf further information <https://github.com/francescospinelli94/Automating-Deployment-VPP>`_.
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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.
 */
/**
 * @brief The IPv4 Multicast-FIB
 *
 * FIXME
 *
 * This IPv4 FIB is used by the protocol independent FIB. So directly using
 * this APIs in client code is not encouraged. However, this IPv4 FIB can be
 * used if all the client wants is an IPv4 prefix data-base
 */

#ifndef __IP4_MFIB_H__
#define __IP4_MFIB_H__

#include <vlib/vlib.h>
#include <vnet/ip/ip.h>

#include <vnet/mfib/mfib_table.h>

extern fib_node_index_t ip4_mfib_table_lookup(const ip4_mfib_t *fib,
                                              const ip4_address_t *src,
                                              const ip4_address_t *grp,
                                              u32 len);
extern fib_node_index_t ip4_mfib_table_lookup_exact_match(const ip4_mfib_t *fib,
                                                          const ip4_address_t *grp,
                                                          const ip4_address_t *src,
                                                          u32 len);
extern fib_node_index_t ip4_mfib_table_get_less_specific (const ip4_mfib_t *mfib,
                                                          const ip4_address_t *src,
                                                          const ip4_address_t *grp,
                                                          u32 len);

extern void ip4_mfib_table_entry_remove(ip4_mfib_t *fib,
                                        const ip4_address_t *grp,
                                        const ip4_address_t *src,
                                        u32 len);

extern void ip4_mfib_table_entry_insert(ip4_mfib_t *fib,
                                        const ip4_address_t *grp,
                                        const ip4_address_t *src,
                                        u32 len,
                                        fib_node_index_t fib_entry_index);
extern void ip4_mfib_table_destroy(ip4_mfib_t *fib);

/**
 * @brief
 *  Add/remove the interface from the accepting list of the special MFIB entries
 */
extern void ip4_mfib_interface_enable_disable(u32 sw_if_index,
                                              int is_enable);

/**
 * @brief Get the FIB at the given index
 */
static inline ip4_mfib_t *
ip4_mfib_get (u32 index)
{
    return (&(pool_elt_at_index(ip4_main.mfibs, index)->v4));
}

/**
 * @brief Get or create an IPv4 fib.
 *
 * Get or create an IPv4 fib with the provided table ID.
 *
 * @param table_id
 *      When set to \c ~0, an arbitrary and unused fib ID is picked
 *      and can be retrieved with \c ret->table_id.
 *      Otherwise, the fib ID to be used to retrieve or create the desired fib.
 * @returns A pointer to the retrieved or created fib.
 *
 */
extern u32 ip4_mfib_table_find_or_create_and_lock(u32 table_id,
                                                  mfib_source_t src);
extern u32 ip4_mfib_table_create_and_lock(mfib_source_t src);

static inline
u32 ip4_mfib_index_from_table_id (u32 table_id)
{
  ip4_main_t * im = &ip4_main;
  uword * p;

  p = hash_get (im->mfib_index_by_table_id, table_id);
  if (!p)
    return ~0;

  return p[0];
}

extern u32 ip4_mfib_table_get_index_for_sw_if_index(u32 sw_if_index);

/**
 * @brief Walk the IP4 mfib table.
 *
 * @param mfib the table to walk
 * @param fn The function to invoke on each entry visited
 * @param ctx A context passed in the visit function
 */
extern void ip4_mfib_table_walk(ip4_mfib_t *mfib,
                                mfib_table_walk_fn_t fn,
                                void *ctx);

/**
 * @brief format (display) the memory usage for IP4 mfibs
 */
extern u8 * format_ip4_mfib_table_memory(u8 * s, va_list * args);

#endif