diff options
Diffstat (limited to 'src/plugins/ioam/ipfixcollector/ipfixcollector.c')
-rw-r--r-- | src/plugins/ioam/ipfixcollector/ipfixcollector.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/plugins/ioam/ipfixcollector/ipfixcollector.c b/src/plugins/ioam/ipfixcollector/ipfixcollector.c new file mode 100644 index 00000000000..4ae47edcb3c --- /dev/null +++ b/src/plugins/ioam/ipfixcollector/ipfixcollector.c @@ -0,0 +1,105 @@ +/* + * 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. + */ + +#include <vnet/ip/ip.h> +#include <vnet/plugin/plugin.h> +#include <vnet/ip/udp.h> +#include <ioam/ipfixcollector/ipfixcollector.h> + +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 vlib_main_t Vlib main of the graph node which is interseted in + * getting IP-Fix packet. + * @param ipfix_client_add_del_t 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) +{ + ipfix_collector_main_t *cm = &ipfix_collector_main; + uword *p = NULL; + int i; + ipfix_client *client = 0; + + if ((!info) || (!info->client_name)) + return IPFIX_COLLECTOR_ERR_INVALID_PARAM; + + p = hash_get (cm->client_reg_table, info->ipfix_setid); + client = p ? pool_elt_at_index (cm->client_reg_pool, (*p)) : NULL; + + if (info->del) + { + if (!client) + return 0; //There is no registered handler, so send success + + hash_unset (cm->client_reg_table, info->ipfix_setid); + vec_free (client->client_name); + pool_put (cm->client_reg_pool, client); + return 0; + } + + if (client) + return IPFIX_COLLECTOR_ERR_REG_EXISTS; + + pool_get (cm->client_reg_pool, client); + i = client - cm->client_reg_pool; + client->client_name = vec_dup (info->client_name); + client->client_node = info->client_node; + client->client_next_node = vlib_node_add_next (vm, + ipfix_collector_node.index, + client->client_node); + client->set_id = info->ipfix_setid; + + hash_set (cm->client_reg_table, info->ipfix_setid, i); + return 0; +} + +static clib_error_t * +ipfix_collector_init (vlib_main_t * vm) +{ + clib_error_t *error = 0; + ipfix_collector_main_t *cm = &ipfix_collector_main; + + cm->vlib_main = vm; + cm->vnet_main = vnet_get_main (); + + cm->client_reg_pool = NULL; + cm->client_reg_table = hash_create (0, sizeof (uword)); + + udp_register_dst_port (vm, + UDP_DST_PORT_ipfix, + ipfix_collector_node.index, 1 /* is_ip4 */ ); + return error; +} + +VLIB_INIT_FUNCTION (ipfix_collector_init); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |