mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 21:57:43 +00:00
Kernel: Move networking related files into Kernel/Net/.
This commit is contained in:
parent
718bea73b3
commit
649c81a714
26 changed files with 61 additions and 63 deletions
69
Kernel/Net/TCP.h
Normal file
69
Kernel/Net/TCP.h
Normal file
|
@ -0,0 +1,69 @@
|
|||
#pragma once
|
||||
|
||||
#include <Kernel/Net/IPv4.h>
|
||||
|
||||
struct TCPFlags {
|
||||
enum : word {
|
||||
FIN = 0x01,
|
||||
SYN = 0x02,
|
||||
RST = 0x04,
|
||||
PUSH = 0x08,
|
||||
ACK = 0x10,
|
||||
URG = 0x20
|
||||
};
|
||||
};
|
||||
|
||||
class [[gnu::packed]] TCPPacket {
|
||||
public:
|
||||
TCPPacket() { }
|
||||
~TCPPacket() { }
|
||||
|
||||
size_t header_size() const { return data_offset() * sizeof(dword); }
|
||||
|
||||
word source_port() const { return m_source_port; }
|
||||
void set_source_port(word port) { m_source_port = port; }
|
||||
|
||||
word destination_port() const { return m_destination_port; }
|
||||
void set_destination_port(word port) { m_destination_port = port; }
|
||||
|
||||
dword sequence_number() const { return m_sequence_number; }
|
||||
void set_sequence_number(dword number) { m_sequence_number = number; }
|
||||
|
||||
dword ack_number() const { return m_ack_number; }
|
||||
void set_ack_number(dword number) { m_ack_number = number; }
|
||||
|
||||
word flags() const { return m_flags_and_data_offset & 0x1ff; }
|
||||
void set_flags(word flags) { m_flags_and_data_offset = (m_flags_and_data_offset & ~0x1ff) | (flags & 0x1ff); }
|
||||
|
||||
bool has_syn() const { return flags() & TCPFlags::SYN; }
|
||||
bool has_ack() const { return flags() & TCPFlags::ACK; }
|
||||
bool has_fin() const { return flags() & TCPFlags::FIN; }
|
||||
|
||||
byte data_offset() const { return (m_flags_and_data_offset & 0xf000) >> 12; }
|
||||
void set_data_offset(word data_offset) { m_flags_and_data_offset = (m_flags_and_data_offset & ~0xf000) | data_offset << 12; }
|
||||
|
||||
word window_size() const { return m_window_size; }
|
||||
void set_window_size(word window_size) { m_window_size = window_size; }
|
||||
|
||||
word checksum() const { return m_checksum; }
|
||||
void set_checksum(word checksum) { m_checksum = checksum; }
|
||||
|
||||
word urgent() const { return m_urgent; }
|
||||
void set_urgent(word urgent) { m_urgent = urgent; }
|
||||
|
||||
const void* payload() const { return ((const byte*)this) + header_size(); }
|
||||
void* payload() { return ((byte*)this) + header_size(); }
|
||||
|
||||
private:
|
||||
NetworkOrdered<word> m_source_port;
|
||||
NetworkOrdered<word> m_destination_port;
|
||||
NetworkOrdered<dword> m_sequence_number;
|
||||
NetworkOrdered<dword> m_ack_number;
|
||||
|
||||
NetworkOrdered<word> m_flags_and_data_offset;
|
||||
NetworkOrdered<word> m_window_size;
|
||||
NetworkOrdered<word> m_checksum;
|
||||
NetworkOrdered<word> m_urgent;
|
||||
};
|
||||
|
||||
static_assert(sizeof(TCPPacket) == 20);
|
Loading…
Add table
Add a link
Reference in a new issue