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authorJúlius Milan <julius.milan@pantheon.tech>2021-09-10 09:43:31 +0200
committerAndrew Yourtchenko <ayourtch@gmail.com>2021-09-28 13:38:36 +0000
commit11c7cdd590a06a9681c43bde53055183c9d0058b (patch)
treeed41596f529ed55c30d72e654c721b1bf651cc3b /test/vpp_papi_provider.py
parent2430bad8951a321e0fcb50eafb562ecbdbecbb5b (diff)
nat: NAT44 ED & EI session filtering CLI
Improving session filtering capabilities of show nat44 sessions CLI command for EI and ED NAT plugins. Adding filtering options: saddr, sport, daddr, dport, proto for both i2o and o2i flows. Type: improvement Change-Id: I70bc94a2e922cddf9451eb7dcbf4a7be21ebf0df Signed-off-by: Filip Varga <fivarga@cisco.com>
Diffstat (limited to 'test/vpp_papi_provider.py')
0 files changed, 0 insertions, 0 deletions
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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 Glean Adjacency
 *
 * A gleean adjacency represent the need to discover new peers on an
 * attached link. Packets that hit a glean adjacency will generate an
 * ARP/ND packet addessesed to the packet's destination address.
 * Note this is different to an incomplete neighbour adjacency, which
 * does not send ARP/ND requests to the packet's destination address,
 * but instead to the next-hop address of the adjacency itself.
 */

#ifndef __ADJ_GLEAN_H__
#define __ADJ_GLEAN_H__

#include <vnet/adj/adj_types.h>

/**
 * @brief
 *  Add (and lock) a new or lock an existing glean adjacency
 *
 * @param proto
 *  The protocol for the neighbours that we wish to glean
 *
 * @param sw_if_index
 *  The interface on which to glean
 *
 * @param nh_addr
 *  the address applied to the interface on which to glean. This
 *  as the source address in packets when the ARP/ND packet is sent
 */
extern adj_index_t adj_glean_add_or_lock(fib_protocol_t proto,
                                         vnet_link_t linkt,
					 u32 sw_if_index,
					 const fib_prefix_t *conn);

/**
 * @brief Get an existing glean
 *
 * @return INVALID if it does not exist
 */
extern adj_index_t adj_glean_get(fib_protocol_t proto,
                                 u32 sw_if_index,
                                 const ip46_address_t *nh_addr);

/**
 * adj_glean_update_rewrite
 *
 * Called by an adjacency provider (an interface type) to configure
 * a glean adj (i.e. and adjacency linked to a connected prefix) to
 * its default behaviour.
 * Other interface types (i.e. 6RD tunnels) can can choose not to use
 * glean behaviour on an adjacency liked to a connected prefix.
 */
extern void adj_glean_update_rewrite(adj_index_t adj_index);

/**
 * Return the source address from the glean
 */
const ip46_address_t *adj_glean_get_src(fib_protocol_t proto,
                                        u32 sw_if_index,
                                        const ip46_address_t *nh_addr);

/**
 * @brief Format/display a glean adjacency.
 */
extern u8* format_adj_glean(u8* s, va_list *ap);

/**
 * Walk all the gleans on an interface
 */
extern void adj_glean_walk (u32 sw_if_index,
                            adj_walk_cb_t,
                            void *);

/**
 * @brief
 *  Module initialisation
 */
extern void adj_glean_module_init(void);

/**
 * @brief
 *  Return the size of the adjacency database. for testing purposes
 */
extern u32 adj_glean_db_size(void);

#endif