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/* APN Context
* (C) 2023 by sysmocom - s.m.f.c. GmbH <info@sysmocom.de>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#pragma once
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/select.h>
#include <osmocom/core/tun.h>
struct osmocom_ms;
#define APN_TYPE_IPv4 0x01 /* v4-only */
#define APN_TYPE_IPv6 0x02 /* v6-only */
#define APN_TYPE_IPv4v6 0x04 /* v4v6 dual-stack */
struct osmobb_apn {
/* list of APNs inside MS */
struct llist_head list;
/* back-pointer to MS */
struct osmocom_ms *ms;
bool started;
struct {
/* Primary name */
char *name;
/* name of the network device */
char *dev_name;
/* netns name of the network device, NULL = default netns */
char *dev_netns_name;
/* types supported address types on this APN */
uint32_t apn_type_mask;
/* administratively shutdown (true) or not (false) */
bool shutdown;
/* transmit G-PDU sequence numbers (true) or not (false) */
bool tx_gpdu_seq;
} cfg;
struct osmo_tundev *tun;
};
struct osmobb_apn *apn_alloc(struct osmocom_ms *ms, const char *name);
void apn_free(struct osmobb_apn *apn);
int apn_start(struct osmobb_apn *apn);
int apn_stop(struct osmobb_apn *apn);
#define LOGPAPN(level, apn, fmt, args...) \
LOGP(DTUN, level, "APN(%s): " fmt, (apn)->cfg.name, ## args)
#define LOGTUN(level, tun, fmt, args...) \
LOGP(DTUN, level, "TUN(%s): " fmt, osmo_tundev_get_name(tun), ## args)
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