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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <AK/Singleton.h>
8#include <Kernel/Net/LoopbackAdapter.h>
9
10namespace Kernel {
11
12static bool s_loopback_initialized = false;
13
14LockRefPtr<LoopbackAdapter> LoopbackAdapter::try_create()
15{
16 auto interface_name = KString::try_create("loop"sv);
17 if (interface_name.is_error())
18 return {};
19 return adopt_lock_ref_if_nonnull(new LoopbackAdapter(interface_name.release_value()));
20}
21
22LoopbackAdapter::LoopbackAdapter(NonnullOwnPtr<KString> interface_name)
23 : NetworkAdapter(move(interface_name))
24{
25 VERIFY(!s_loopback_initialized);
26 s_loopback_initialized = true;
27 set_mtu(65536);
28 set_mac_address({ 19, 85, 2, 9, 0x55, 0xaa });
29}
30
31LoopbackAdapter::~LoopbackAdapter() = default;
32
33void LoopbackAdapter::send_raw(ReadonlyBytes payload)
34{
35 dbgln("LoopbackAdapter: Sending {} byte(s) to myself.", payload.size());
36 did_receive(payload);
37}
38
39}