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/*
Copyright (C) 2017 Free Software Foundation, Inc.
Written by Joan Lledó.
This file is part of the GNU Hurd.
The GNU Hurd 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, or (at
your option) any later version.
The GNU Hurd 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.
You should have received a copy of the GNU General Public License
along with the GNU Hurd. If not, see <http://www.gnu.org/licenses/>.
*/
/* Common interface for all kinds of devices */
#ifndef LWIP_IFCOMMON_H
#define LWIP_IFCOMMON_H
#include <stdint.h>
#include <sys/types.h>
#include <device/device.h>
#include <lwip/netif.h>
/*
* Helper struct to hold private data used to operate your interface.
*/
struct ifcommon
{
uint16_t type;
device_t ether_port;
struct port_info *readpt;
mach_port_t readptname;
char *devname;
uint16_t flags;
/* Callbacks */
error_t (*init) (struct netif * netif);
error_t (*terminate) (struct netif * netif);
error_t (*open) (struct netif * netif);
error_t (*close) (struct netif * netif);
error_t (*update_mtu) (struct netif * netif, uint32_t mtu);
error_t (*change_flags) (struct netif * netif, uint16_t flags);
};
error_t if_init (struct netif *netif);
error_t if_terminate (struct netif *netif);
error_t if_change_flags (struct netif *netif, uint16_t flags);
/* Get the state from a netif */
#define netif_get_state(netif) ((struct ifcommon *)netif->state)
#endif /* LWIP_IFCOMMON_H */
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