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/*
* Copyright (c) 2017 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 PLUGINS_IPFIXCOLLECTOR_PLUGIN_IPFIXCOLLECTOR_IPFIXCOLLECTOR_H_
#define PLUGINS_IPFIXCOLLECTOR_PLUGIN_IPFIXCOLLECTOR_IPFIXCOLLECTOR_H_
#include <vppinfra/pool.h>
#include <vppinfra/hash.h>
#include <vppinfra/error.h>
#define IPFIX_COLLECTOR_CLIENT_NAME_MAX 64
#define IPFIX_COLLECTOR_ERR_INVALID_PARAM -1
#define IPFIX_COLLECTOR_ERR_REG_EXISTS -2
/** @brief Structure other nodes to use for registering with IP-FIX collector.
*/
typedef struct
{
/** String containing name of the client interested in getting
ip-fix packets. */
u8 *client_name;
/** Node index where packets have to be redirected. */
u32 client_node;
/** Setid of IPFix for which client is interested in getting packets. */
u16 ipfix_setid;
/** Add(0) or del(1) operation. */
u16 del;
} ipfix_client_add_del_t;
/** @brief IP-FIX collector internal client structure to store SetID to
client node ID.
*/
typedef struct
{
/** String containing name of the client interested in getting
ip-fix packets. */
u8 *client_name;
/** Node index where packets have to be redirected. */
u32 client_node;
/** ipfix-collector next index where packets have to be redirected. */
u32 client_next_node;
/** Setid of IPFix for which client is interested in getting packets. */
u16 set_id;
} ipfix_client;
/** @brief IP-FIX collector main structure to SetID to client node ID mapping.
@note cache aligned.
*/
typedef struct
{
/** Hash table to map IP-FIX setid to a client registration pool. SetId is
key to hash map. */
uword *client_reg_table;
/** Pool of Client node information for the IP-FIX SetID. */
ipfix_client *client_reg_pool;
/** Pointer to VLib main for the node - ipfix-collector. */
vlib_main_t *vlib_main;
/** Pointer to vnet main for convenience. */
vnet_main_t *vnet_main;
} ipfix_collector_main_t;
extern vlib_node_registration_t ipfix_collector_node;
extern ipfix_collector_main_t ipfix_collector_main;
/**
* @brief IP-FIX SetID registration function.
*
* This function can be used by other VPP graph nodes to receive IP-FIX packets
* with a particular setid.
*
* @param vm Vlib main of the graph node which is interested in
* getting IP-Fix packet.
* @param info Structure describing the client node which
* is interested in getting the IP-Fix packets for
* a SetID.
*
* @returns 0 on success.
* @returns Error codes(<0) otherwise.
*/
int
ipfix_collector_reg_setid (vlib_main_t * vm, ipfix_client_add_del_t * info);
always_inline ipfix_client *
ipfix_collector_get_client (u16 set_id)
{
ipfix_collector_main_t *cm = &ipfix_collector_main;
uword *p;
p = hash_get (cm->client_reg_table, set_id);
return (p ? pool_elt_at_index (cm->client_reg_pool, (*p)) : NULL);
}
#endif /* PLUGINS_IPFIXCOLLECTOR_PLUGIN_IPFIXCOLLECTOR_IPFIXCOLLECTOR_H_ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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