2020-01-18 08:38:21 +00:00
|
|
|
/*
|
|
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
|
|
*
|
2021-04-22 08:24:48 +00:00
|
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
2020-01-18 08:38:21 +00:00
|
|
|
*/
|
|
|
|
|
2019-03-12 03:11:20 +00:00
|
|
|
#pragma once
|
|
|
|
|
2020-04-04 11:18:28 +00:00
|
|
|
#include <AK/MACAddress.h>
|
2019-04-02 17:54:38 +00:00
|
|
|
#include <Kernel/Net/IPv4.h>
|
2019-03-12 03:11:20 +00:00
|
|
|
|
|
|
|
struct ICMPType {
|
2019-06-07 15:13:23 +00:00
|
|
|
enum {
|
2019-05-28 09:53:16 +00:00
|
|
|
EchoReply = 0,
|
|
|
|
EchoRequest = 8,
|
|
|
|
};
|
2019-03-12 03:11:20 +00:00
|
|
|
};
|
|
|
|
|
2020-12-30 21:44:54 +00:00
|
|
|
class [[gnu::packed]] ICMPHeader {
|
2019-03-12 03:11:20 +00:00
|
|
|
public:
|
2021-02-28 13:42:08 +00:00
|
|
|
ICMPHeader() = default;
|
|
|
|
~ICMPHeader() = default;
|
2019-03-12 03:11:20 +00:00
|
|
|
|
2019-07-03 19:17:35 +00:00
|
|
|
u8 type() const { return m_type; }
|
|
|
|
void set_type(u8 b) { m_type = b; }
|
2019-03-12 03:11:20 +00:00
|
|
|
|
2019-07-03 19:17:35 +00:00
|
|
|
u8 code() const { return m_code; }
|
|
|
|
void set_code(u8 b) { m_code = b; }
|
2019-03-12 03:11:20 +00:00
|
|
|
|
2019-07-03 19:17:35 +00:00
|
|
|
u16 checksum() const { return m_checksum; }
|
|
|
|
void set_checksum(u16 w) { m_checksum = w; }
|
2019-03-12 03:11:20 +00:00
|
|
|
|
2022-04-01 17:58:27 +00:00
|
|
|
void const* payload() const { return this + 1; }
|
2019-03-12 03:39:50 +00:00
|
|
|
void* payload() { return this + 1; }
|
2019-03-12 03:11:20 +00:00
|
|
|
|
|
|
|
private:
|
2019-07-03 19:17:35 +00:00
|
|
|
u8 m_type { 0 };
|
|
|
|
u8 m_code { 0 };
|
|
|
|
NetworkOrdered<u16> m_checksum { 0 };
|
2019-03-12 03:39:50 +00:00
|
|
|
// NOTE: The rest of the header is 4 bytes
|
2019-03-12 03:11:20 +00:00
|
|
|
};
|
|
|
|
|
2021-09-05 07:57:53 +00:00
|
|
|
static_assert(AssertSize<ICMPHeader, 4>());
|
2019-03-12 03:11:20 +00:00
|
|
|
|
2020-12-30 21:44:54 +00:00
|
|
|
struct [[gnu::packed]] ICMPEchoPacket {
|
2019-03-12 03:11:20 +00:00
|
|
|
ICMPHeader header;
|
2019-07-03 19:17:35 +00:00
|
|
|
NetworkOrdered<u16> identifier;
|
|
|
|
NetworkOrdered<u16> sequence_number;
|
2019-03-12 03:39:50 +00:00
|
|
|
void* payload() { return this + 1; }
|
2022-04-01 17:58:27 +00:00
|
|
|
void const* payload() const { return this + 1; }
|
2019-03-12 03:11:20 +00:00
|
|
|
};
|