88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#include "queue.h"
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#ifndef SCTP_ENB_DEFS_H_
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#define SCTP_ENB_DEFS_H_
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typedef struct sctp_queue_item_s {
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/* Pair of stream on which we received this packet */
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uint16_t local_stream;
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/* Remote port */
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uint16_t remote_port;
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/* Remote address */
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uint32_t remote_addr;
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uint32_t assoc_id;
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/* PPID used for the packet */
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uint32_t ppid;
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/* Buffer and buffer length for the packet */
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uint32_t length;
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uint8_t *buffer;
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/* queue.h internal data */
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TAILQ_ENTRY(sctp_queue_item_s) entry;
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} sctp_queue_item_t;
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typedef struct {
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/* Socket descriptor used to send/recv data on SCTP */
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int sd;
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/* Unique SCTP association ID (Local to host), used to distinguish
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* associations between MME and eNB.
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*/
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int32_t assoc_id;
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/* Current remote port used for transmission */
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uint16_t remote_port;
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/* Remote IP addresses */
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struct sockaddr *remote_ip_addresses;
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int nb_remote_addresses;
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/* Local port to use for transmission (dynamically allocated) */
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uint16_t local_port;
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/* Local IP address to use for transmission */
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struct sockaddr *local_ip_addr;
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int nb_local_addresses;
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/* Number of input/output streams used over this association.
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* The number is negotiated between peers at connect and the minimum value
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* of both peers is used over the association.
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*/
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uint16_t instreams;
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uint16_t outstreams;
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/* Queue of messages received on SCTP. Messages will be processed later by
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* upper layer. This will allow data prioritization and data de-fragmentation
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* (if any on interface).
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*/
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TAILQ_HEAD(sctp_queue_s, sctp_queue_item_s) sctp_queue;
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/* Queue size in bytes (may be used to limit eNB processing) */
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uint32_t queue_size;
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/* Number of items in the queue */
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uint32_t queue_length;
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} sctp_data_t;
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#endif /* SCTP_ENB_DEFS_H_ */
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