/*
 * Copyright (c) 2015 Meisaka Yukara.
 * Copyright (c) 2016, 2017, 2022 Jonas 'Sortie' Termansen.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * sortix/kernel/if.h
 * Network Interface.
 */

#ifndef _INCLUDE_SORTIX_KERNEL_IF_H
#define _INCLUDE_SORTIX_KERNEL_IF_H

#include <net/if.h>

#include <sortix/kernel/descriptor.h>
#include <sortix/kernel/kthread.h>
#include <sortix/kernel/packet.h>
#include <sortix/kernel/poll.h>

namespace Sortix {

namespace ARP {
struct arp_table;
} // namespace ARP

class NetworkInterface
{
public:
	NetworkInterface();
	virtual ~NetworkInterface();

public:
	virtual bool Send(Ref<Packet> pkt) = 0;

public:
	int poll(ioctx_t* ctx, PollNode* node);
	short PollEventStatus();

public:
	kthread_mutex_t cfg_lock;
	kthread_cond_t cfg_cond;
	struct if_info ifinfo;
	struct if_status ifstatus;
	struct if_config cfg;
	struct ARP::arp_table* arp_table;
	PollChannel poll_channel;

};

bool RegisterNetworkInterface(NetworkInterface* netif,
                              Ref<Descriptor> dev);

extern kthread_mutex_t netifs_lock;
extern NetworkInterface** netifs;
extern size_t netifs_count;

} // namespace Sortix

#endif
