Files
openairinterface5g/common/utils/tun_if.h
T
Robert Schmidt 168582b5a1 Remove netlink_init.c, and move remaining functionality to tun_if.c
Remove openair1/SIMULATION/ETH_TRANSPORT/netlink_init.c, and move TUN
interface creation functionality to tun_if.c.

Remove SIMU_ETH target.
2024-08-02 15:31:04 +02:00

64 lines
2.5 KiB
C

/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (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.openairinterface.org/?page_id=698
*
* 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.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
#ifndef TUN_IF_H_
#define TUN_IF_H_
#include <stdbool.h>
/* TODO: doc */
int tun_init(const char *ifprefix, int num_if, int id);
/* TODO: doc */
int tun_init_mbms(char *ifsuffix, int id);
/*! \fn int tun_config(char*, int, int)
* \brief This function initializes the nasmesh interface using the basic values,
* basic address, network mask and broadcast address, as the default configured
* ones
* \param[in] interface_id number of this interface, prepended after interface
* name
* \param[in] ipv4 IPv4 address of this interface as a string
* \param[in] ipv6 IPv6 address of this interface as a string
* \param[in] ifprefix interface name prefix to which an interface number will
* be appended
* \return true on success, otherwise false
* \note
* @ingroup _nas
*/
bool tun_config(int interface_id, const char *ipv4, const char *ipv6, const char *ifprefix);
/*!
* \brief Setup a IPv4 rule in table (interface_id - 1 + 10000) and route to
* force packets coming into interface back through it, and workaround
* net.ipv4.conf.all.rp_filter=2 (strict source filtering would filter out
* responses of packets going out through interface to another IP address not
* in same subnet).
* \param[in] interface_id number of this interface, prepended after interface
* name
* \param[in] ipv4 IPv4 address of the UE
* \param[in] ifprefix interface name prefix to which an interface number will
* be appended
*/
void setup_ue_ipv4_route(int interface_id, const char *ipv4, const char *ifpref);
#endif /*TUN_IF_H_*/